:root { --ink:#111111; --body:#374151; --muted:#6b7280; --canvas:#ffffff; --soft:#f5f5f5; --soft-blue:#eff6ff; --hairline:#e5e7eb; --dark:#101010; --blue:#3b82f6; --orange:#fb923c; --violet:#8b5cf6; --emerald:#34d399; --radius-sm:8px; --radius-md:12px; --radius-lg:18px; --radius-xl:24px; --sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB',sans-serif; --mono:'SFMono-Regular',Consolas,monospace; }
* { box-sizing:border-box; }
section[id] { scroll-margin-top: 96px; }
html { scroll-behavior:smooth; }
body { margin:0; background:var(--canvas); color:var(--body); font-family:var(--sans); line-height:1.55; }
body:has(.topbar.is-scrolled) .topbar { box-shadow:0 1px 12px rgba(17,17,17,.06); }
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
button,input,select,textarea { font:inherit; }
button { cursor:pointer; }
.page-shell { width:min(1180px,calc(100% - 80px)); margin:0 auto; }
.skip-link { position:fixed; z-index:50; top:-60px; left:18px; padding:10px 16px; background:var(--ink); color:white; border-radius:var(--radius-sm); transition:top .2s; }
.skip-link:focus { top:18px; }
.topbar { position:sticky; z-index:20; top:0; background:rgba(255,255,255,.95); border-bottom:1px solid var(--hairline); backdrop-filter:blur(12px); transition:box-shadow .25s; }
.topbar-inner { min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:28px; }
.brand { display:inline-flex; align-items:center; gap:10px; min-width:max-content; }
.brand-mark { width:34px; height:34px; overflow:hidden; flex:0 0 34px; border-radius:9px; }
.brand-mark img { width:100%; height:100%; object-fit:cover; }
.brand-name { display:grid; gap:1px; line-height:1.1; }.brand-name strong { color:var(--ink); font-size:13px; letter-spacing:-.02em; }.brand-name small { color:var(--muted); font-family:var(--mono); font-size:8px; letter-spacing:.04em; }
.nav-pills { display:flex; align-items:center; gap:4px; padding:4px; background:var(--soft); border-radius:999px; }.nav-pills a { padding:8px 13px; color:#535862; border-radius:999px; font-size:12px; transition:background .2s,color .2s; }.nav-pills a:hover,.nav-pills a.active { background:white; color:var(--ink); box-shadow:0 1px 3px rgba(17,17,17,.06); }
.top-actions { display:flex; align-items:center; gap:14px; }.locale { color:var(--muted); font-family:var(--mono); font-size:10px; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:16px; min-height:44px; padding:0 17px; border:1px solid transparent; border-radius:var(--radius-sm); font-size:13px; font-weight:600; transition:transform .2s,background .2s,border-color .2s; }.button:hover { transform:translateY(-1px); }.button-dark { background:var(--ink); color:white; }.button-dark:hover { background:#242424; }.button-light { background:white; color:var(--ink); border-color:var(--hairline); }.button-light:hover { border-color:#aeb4bd; }.button-small { min-height:38px; padding:0 14px; font-size:12px; }.button-plus { font-size:18px; font-weight:400; line-height:0; }
.nav-toggle { display:none; min-height:38px; padding:0 12px; background:white; border:1px solid var(--hairline); border-radius:var(--radius-sm); color:var(--ink); font-size:12px; }
.hero { display:grid; grid-template-columns:1fr 1fr; gap:76px; align-items:center; min-height:690px; padding-top:72px; padding-bottom:88px; }.hero-copy { padding-left:18px; }
.eyebrow { display:flex; align-items:center; gap:9px; margin:0 0 22px; color:var(--muted); font-family:var(--mono); font-size:10px; letter-spacing:.09em; }.eyebrow.light { color:#a1a1aa; }.eyebrow-dot { width:8px; height:8px; display:inline-block; border-radius:50%; background:var(--blue); }.eyebrow-dot.orange { background:var(--orange); }.eyebrow-dot.violet { background:var(--violet); }.eyebrow-dot.emerald { background:var(--emerald); }
h1,h2,h3,p { margin-top:0; } h1,h2,h3 { color:var(--ink); font-weight:600; letter-spacing:-.065em; line-height:1.05; } h1 { max-width:650px; margin-bottom:27px; font-size:clamp(3.4rem,6.2vw,6rem); } h1 span { color:#3f4650; } h2 { margin-bottom:0; font-size:clamp(2.4rem,4.4vw,4.4rem); } h2 em { color:#596170; font-style:normal; } h3 { letter-spacing:-.035em; }
.hero-intro { max-width:410px; margin-bottom:34px; color:var(--body); font-size:17px; line-height:1.7; }.hero-actions { display:flex; flex-wrap:wrap; gap:10px; }.hero-meta { display:flex; gap:21px; margin-top:57px; color:#9aa0aa; font-family:var(--mono); font-size:9px; letter-spacing:.09em; }
.hero-stage { position:relative; min-height:478px; }.card-shadow { box-shadow:0 1px 2px rgba(17,17,17,.04),0 12px 30px rgba(17,17,17,.10); }.soft-card { background:var(--soft); border:1px solid var(--hairline); border-radius:var(--radius-lg); }.hero-device-card { position:absolute; top:12px; right:20px; width:min(93%,520px); overflow:hidden; background:white; border:1px solid var(--hairline); border-radius:20px; transform:rotate(1deg); }.hero-device-card img { width:100%; aspect-ratio:1.63; object-fit:cover; object-position:center; }.device-caption { display:flex; justify-content:space-between; gap:20px; padding:16px 19px; }.device-caption span,.device-caption strong { display:block; }.device-caption span { color:var(--muted); font-family:var(--mono); font-size:9px; }.device-caption strong { color:var(--ink); font-size:13px; }.product-swatch { position:absolute; z-index:2; bottom:15px; left:4px; width:190px; overflow:hidden; transform:rotate(-3deg); }.product-swatch img { width:100%; height:205px; object-fit:cover; object-position:center; }.product-swatch div { display:grid; gap:5px; padding:11px 13px 13px; }.product-swatch span { color:var(--muted); font-family:var(--mono); font-size:8px; }.product-swatch strong { color:var(--ink); font-size:12px; }.status-badge { position:absolute; right:0; bottom:112px; display:flex; align-items:center; gap:7px; padding:9px 12px; border-radius:999px; background:white; border:1px solid var(--hairline); box-shadow:0 3px 16px rgba(17,17,17,.09); color:var(--ink); font-family:var(--mono); font-size:9px; }.status-badge span { width:7px; height:7px; border-radius:50%; background:var(--emerald); }
.signal-strip { padding:33px 0; background:var(--dark); color:white; }.signal-grid { display:grid; grid-template-columns:1.7fr .8fr .8fr 1fr; gap:35px; align-items:center; }.signal-intro { display:grid; grid-template-columns:auto 1fr; gap:10px 14px; align-items:start; }.signal-intro strong { font-size:16px; font-weight:500; }.signal-intro p { grid-column:2; max-width:290px; margin:0; color:#a1a1aa; font-size:12px; line-height:1.55; }.eyebrow-number { color:#a1a1aa; font-family:var(--mono); font-size:10px; }.signal-stat { display:grid; gap:6px; padding-left:28px; border-left:1px solid #313131; }.signal-stat strong { font-size:37px; letter-spacing:-.06em; }.signal-stat strong span { color:#a1a1aa; font-size:20px; }.signal-stat small { color:#a1a1aa; font-size:10px; line-height:1.45; }.signal-tag-list { display:flex; justify-content:flex-end; gap:6px; flex-wrap:wrap; }
.tag { display:inline-flex; align-items:center; min-height:23px; padding:0 9px; border-radius:999px; font-family:var(--mono); font-size:9px; letter-spacing:.02em; }.tag-blue { background:#dbeafe; color:#2563eb; }.tag-orange { background:#ffedd5; color:#c2410c; }.tag-violet { background:#ede9fe; color:#6d28d9; }.tag-emerald { background:#d1fae5; color:#047857; }
.section { padding:108px 0; }.section-topline { display:flex; justify-content:space-between; margin-bottom:50px; color:#9aa0aa; font-family:var(--mono); font-size:9px; letter-spacing:.09em; }.section-intro { display:grid; grid-template-columns:1fr .68fr; gap:90px; align-items:end; margin-bottom:56px; }.section-intro.compact { margin-bottom:46px; }.section-intro > p { max-width:390px; margin:0 0 5px; color:var(--muted); font-size:15px; line-height:1.75; }.section-intro h2 { max-width:650px; }
.gallery-grid { display:grid; grid-template-columns:1.46fr .82fr; gap:18px; }.gallery-feature,.gallery-small { margin:0; overflow:hidden; border:1px solid var(--hairline); }.gallery-feature { border-radius:var(--radius-xl); }.gallery-stack { display:grid; gap:18px; }.gallery-small { border-radius:var(--radius-lg); }.gallery-feature img { width:100%; height:440px; object-fit:cover; }.gallery-small img { width:100%; height:174px; object-fit:cover; }.gallery-feature figcaption,.gallery-small figcaption { display:grid; gap:7px; padding:16px 18px 19px; background:white; }.gallery-feature figcaption span,.gallery-small figcaption span { color:var(--muted); font-family:var(--mono); font-size:9px; }.gallery-feature figcaption strong,.gallery-small figcaption strong { color:var(--ink); font-size:14px; font-weight:600; }.image-notes { display:flex; flex-wrap:wrap; gap:9px 28px; padding-top:20px; color:#9aa0aa; font-family:var(--mono); font-size:9px; }
.services-section { background:#fafafa; border-top:1px solid #f1f1f1; border-bottom:1px solid #f1f1f1; }.service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }.service-card { min-height:438px; padding:21px; }.service-card-head { display:flex; align-items:center; justify-content:space-between; }.service-icon { display:grid; place-items:center; width:32px; height:32px; border-radius:10px; color:white; font-size:13px; font-weight:600; }.icon-blue { background:var(--blue); }.icon-orange { background:var(--orange); }.icon-violet { background:var(--violet); }.service-card h3 { margin:24px 0 10px; font-size:24px; }.service-card p { min-height:50px; margin-bottom:17px; color:var(--muted); font-size:13px; line-height:1.65; }.service-art { overflow:hidden; border-radius:12px; background:white; border:1px solid var(--hairline); }.service-art img { width:100%; height:175px; object-fit:cover; object-position:center; }.website-art img { object-position:center 28%; }.service-tags { display:flex; gap:6px; margin-top:15px; }.service-tags span { padding:5px 8px; background:white; border:1px solid var(--hairline); border-radius:999px; color:var(--muted); font-family:var(--mono); font-size:9px; }
.comparison-section { background:var(--soft-blue); }.comparison-layout { display:grid; grid-template-columns:.76fr 1.24fr; gap:100px; align-items:center; }.comparison-copy h2 { margin-bottom:25px; }.comparison-copy > p { color:#596170; font-family:var(--mono); font-size:12px; line-height:2; }.mini-quote { display:flex; gap:10px; max-width:360px; margin-top:34px; color:var(--body); font-size:13px; }.quote-mark { color:var(--blue); font-size:30px; line-height:.8; }.search-board { overflow:hidden; background:white; border:1px solid var(--hairline); border-radius:18px; }.board-top { display:flex; align-items:center; gap:6px; padding:14px 16px; border-bottom:1px solid var(--hairline); }.browser-dot { width:8px; height:8px; border-radius:50%; }.browser-dot.red { background:#f87171; }.browser-dot.yellow { background:#fbbf24; }.browser-dot.green { background:#34d399; }.board-url { margin-left:8px; color:#9aa0aa; font-family:var(--mono); font-size:9px; }.board-body { padding:28px 34px 32px; }.fake-search { display:flex; justify-content:space-between; align-items:center; padding:13px 15px; border:1px solid var(--hairline); border-radius:8px; color:var(--body); font-size:13px; box-shadow:0 2px 4px rgba(17,17,17,.03); }.fake-search span { color:var(--blue); font-size:22px; }.result { display:flex; gap:15px; padding:19px 0; border-bottom:1px solid #f0f1f3; }.result-main { padding-top:29px; }.result-logo { display:grid; place-items:center; width:28px; height:28px; flex:0 0 28px; border-radius:50%; background:var(--dark); color:white; font-size:12px; }.result-line { width:28px; height:28px; flex:0 0 28px; border-radius:50%; background:#f3f4f6; }.result div { display:grid; gap:4px; }.result small { color:var(--muted); font-family:var(--mono); font-size:8px; }.result strong { color:var(--ink); font-size:15px; }.result p { margin:0; color:var(--muted); font-size:12px; }
.cases-section { background:white; }.case-grid { display:grid; grid-template-columns:1.35fr .85fr; gap:16px; }.case-card { overflow:hidden; background:var(--soft); border:1px solid var(--hairline); border-radius:var(--radius-xl); }.case-image { position:relative; overflow:hidden; }.case-image img { width:100%; height:310px; object-fit:cover; transition:transform .5s; }.case-card:hover .case-image img { transform:scale(1.03); }.case-image .tag { position:absolute; top:16px; left:16px; }.case-content { display:flex; justify-content:space-between; gap:30px; padding:26px 26px 28px; }.case-content small { color:var(--muted); font-family:var(--mono); font-size:9px; }.case-content h3 { margin:13px 0 0; font-size:27px; }.case-content p { max-width:245px; margin:0; color:var(--muted); font-size:13px; line-height:1.65; }.text-link { align-self:end; display:inline-flex; padding-bottom:3px; border-bottom:1px solid var(--ink); color:var(--ink); font-size:12px; white-space:nowrap; }.text-link:hover { color:var(--blue); border-color:var(--blue); }
.ai-section { background:var(--soft); }.ai-layout { display:grid; grid-template-columns:.77fr 1.23fr; gap:95px; align-items:center; }.ai-copy h2 { margin-bottom:23px; }.ai-copy > p { max-width:390px; margin-bottom:28px; color:var(--muted); font-size:14px; line-height:1.75; }.question-pills { display:flex; flex-wrap:wrap; gap:7px; }.question-pill { padding:8px 11px; background:white; border:1px solid var(--hairline); border-radius:999px; color:var(--muted); font-size:11px; }.question-pill:hover,.question-pill.active { background:var(--ink); border-color:var(--ink); color:white; }.answer-card { overflow:hidden; background:white; border:1px solid var(--hairline); border-radius:18px; }.answer-head { display:flex; align-items:center; gap:12px; padding:21px 24px; border-bottom:1px solid var(--hairline); }.answer-avatar { display:grid; place-items:center; width:36px; height:36px; border-radius:12px; background:var(--ink); color:white; font-family:var(--mono); font-size:10px; }.answer-head div { display:grid; gap:2px; }.answer-head strong { color:var(--ink); font-size:13px; }.answer-head small { color:var(--muted); font-size:10px; }.available-dot { width:8px; height:8px; margin-left:auto; border-radius:50%; background:var(--emerald); }.answer-question { padding:25px 24px 0; color:var(--ink); font-size:19px; font-weight:600; line-height:1.4; }.answer-response { margin:18px 24px 25px; padding:17px; background:var(--soft); border-radius:12px; color:var(--body); font-size:14px; line-height:1.7; }.answer-sources { display:flex; gap:7px; padding:0 24px 23px; }.answer-sources span { padding:6px 8px; background:var(--soft-blue); border-radius:999px; color:#2563eb; font-family:var(--mono); font-size:8px; }
.contact-section { padding:108px 0; background:var(--dark); color:white; }.contact-wrap { display:grid; grid-template-columns:1fr .86fr; gap:110px; align-items:start; }.contact-copy h2 { color:white; margin-bottom:24px; }.contact-copy h2 em { color:#d1d5db; }.contact-copy > p { max-width:350px; color:#a1a1aa; font-size:15px; line-height:1.75; }.contact-tags { display:flex; gap:7px; flex-wrap:wrap; margin-top:38px; }.contact-tags span { padding:6px 9px; border:1px solid #363636; border-radius:999px; color:#a1a1aa; font-family:var(--mono); font-size:9px; }.lead-form { padding:25px; background:white; border-radius:18px; color:var(--body); }.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }.lead-form label { display:grid; gap:7px; margin-bottom:18px; color:var(--muted); font-family:var(--mono); font-size:9px; letter-spacing:.03em; }.lead-form input,.lead-form select,.lead-form textarea { width:100%; padding:10px 0; background:transparent; border:0; border-bottom:1px solid var(--hairline); outline:none; color:var(--ink); border-radius:0; resize:vertical; }.lead-form input::placeholder,.lead-form textarea::placeholder { color:#b4b9c1; }.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus { border-color:var(--ink); box-shadow:0 3px 0 rgba(17,17,17,.08); }.lead-form .button { width:100%; margin-top:5px; }.form-note { margin:13px 0 0; color:#9aa0aa; font-size:10px; }
.site-footer { padding:30px 0; background:white; border-top:1px solid var(--hairline); }.footer-inner { display:grid; grid-template-columns:1fr auto auto; gap:28px; align-items:center; }.footer-links { display:flex; gap:20px; color:var(--muted); font-size:11px; }.footer-links a:hover { color:var(--ink); }.footer-note { color:#9aa0aa; font-family:var(--mono); font-size:9px; text-align:right; }
.reveal { opacity:1; transform:none; }
@media (max-width:1000px) { .page-shell { width:min(100% - 44px,720px); }.nav-pills { display:none; }.nav-pills.is-open { position:absolute; top:64px; left:22px; right:22px; display:grid; padding:8px; background:white; border:1px solid var(--hairline); border-radius:12px; box-shadow:0 12px 24px rgba(17,17,17,.1); }.nav-pills.is-open a { border-radius:8px; }.nav-toggle { display:block; }.topbar-inner { min-height:64px; }.top-actions { margin-left:auto; }.hero { grid-template-columns:1fr; gap:35px; padding-top:70px; }.hero-copy { padding-left:0; }.hero-stage { min-height:455px; }.signal-grid { grid-template-columns:1.4fr 1fr 1fr; }.signal-tag-list { display:none; }.section-intro,.comparison-layout,.ai-layout,.contact-wrap { grid-template-columns:1fr; gap:36px; }.section-intro > p { max-width:500px; }.service-grid { grid-template-columns:1fr 1fr; }.service-card:last-child { grid-column:1 / -1; }.service-card:last-child .service-art img { height:220px; }.case-grid { grid-template-columns:1fr; }.case-card:first-child .case-image img { height:330px; }.footer-inner { grid-template-columns:1fr 1fr; }.footer-note { text-align:left; } }
@media (max-width:620px) { .page-shell { width:calc(100% - 32px); }.brand-name strong { font-size:12px; }.locale { display:none; }.button-small { display:none; }.hero { min-height:680px; padding-top:55px; padding-bottom:62px; }.hero h1 { font-size:3.25rem; }.hero-intro { font-size:15px; }.hero-meta { margin-top:42px; gap:12px; font-size:8px; }.hero-stage { min-height:360px; }.hero-device-card { top:0; right:0; width:92%; }.product-swatch { width:145px; bottom:0; left:0; }.product-swatch img { height:158px; }.status-badge { right:0; bottom:76px; }.signal-grid { grid-template-columns:1fr 1fr; gap:26px 14px; }.signal-intro { grid-column:1 / -1; }.signal-stat { padding-left:15px; }.signal-stat strong { font-size:30px; }.signal-stat small { font-size:9px; }.section { padding:78px 0; }.section-topline { margin-bottom:34px; font-size:8px; }.section-topline span:last-child { display:none; }.section-intro { gap:25px; margin-bottom:35px; }.section-intro h2 { font-size:2.75rem; }.gallery-grid { grid-template-columns:1fr; }.gallery-feature img { height:255px; }.gallery-small img { height:150px; }.service-grid { grid-template-columns:1fr; }.service-card:last-child { grid-column:auto; }.service-card:last-child .service-art img { height:175px; }.comparison-layout,.ai-layout { gap:35px; }.board-body { padding:20px 18px 25px; }.fake-search { font-size:10px; }.result strong { font-size:12px; }.case-content { display:grid; gap:19px; }.case-content p { max-width:none; }.case-card:first-child .case-image img,.case-image img { height:225px; }.form-row { grid-template-columns:1fr; gap:0; }.footer-inner { grid-template-columns:1fr; gap:22px; }.footer-links { flex-wrap:wrap; gap:9px 16px; }.footer-note { text-align:left; } }

/* Purpose-specific pages and controlled Chinese typography. */
.hero-copy, .heading-block, .section-intro > div, .contact-copy { container-type:inline-size; min-width:0; }
.hero { gap:54px; min-height:650px; }
.hero h1 { font-size:clamp(32px,14cqi,76px); line-height:1.18; letter-spacing:-.045em; }
.hero h1 .title-line:first-child { color:var(--ink); }
.section-intro h2, .heading-block h2, .contact-copy h2 { font-size:clamp(24px,10cqi,48px); line-height:1.28; letter-spacing:-.035em; }
.title-line { display:block; white-space:nowrap; }
p, figcaption strong, h4, .answer-question, .answer-response { text-wrap:pretty; }
p { text-wrap:balance; }
a, button { -webkit-tap-highlight-color:transparent; }
:focus-visible { outline:2px solid #2563eb; outline-offset:5px; }
.nav-pills a { white-space:nowrap; min-height:44px; display:flex; align-items:center; }
.section-intro { grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr); gap:64px; }
.section-intro > p { font-size:16px; line-height:1.9; }
.hero-intro { line-height:1.85; }
.device-caption { gap:10px; flex-wrap:wrap; }
.device-caption strong { text-wrap:balance; }
.signal-grid { grid-template-columns:1.8fr 1fr 1.15fr; }
.signal-tag-list { display:none; }
.signal-intro { display:block; }
.signal-intro .eyebrow-number { display:block; margin-bottom:8px; }
.signal-intro p { margin-top:10px; }
.gallery-feature img { height:440px; }
.seo-section { background:#f7f7f7; border-block:1px solid var(--hairline); }
.seo-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.search-platform-card { overflow:hidden; border:1px solid var(--hairline); border-radius:20px; background:white; }
.platform-heading { display:flex; gap:14px; align-items:center; padding:24px 28px; }
.platform-heading img { object-fit:contain; flex-shrink:0; }
.platform-heading h3 { font-size:24px; margin:0 0 3px; letter-spacing:-.025em; }
.platform-heading span { font-size:12px; color:var(--muted); }
.search-photo { width:100%; height:auto; aspect-ratio:2 / 1; object-fit:contain; }
.image-caption { margin:14px 0 0; font-size:11px; color:var(--muted); }
.platform-copy { padding:26px 28px 30px; }
.platform-copy h4 { margin:0 0 12px; color:var(--ink); font-size:20px; }
.platform-copy p { margin:0; font-size:15px; color:var(--muted); line-height:1.85; }
.geo-section { background:white; }
.geo-body { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); column-gap:32px; row-gap:26px; align-items:start; }
.platform-gallery { grid-column:1; grid-row:1; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; padding-block:12px; border-block:1px solid var(--hairline); }
.ai-platform { display:grid; grid-template-columns:26px minmax(0,1fr); column-gap:8px; align-items:center; padding:4px 0; border:0; background:transparent; border-radius:0; }
.ai-platform img { width:26px; height:26px; object-fit:contain; margin:0; grid-row:1 / span 2; }
.ai-platform h3 { font-size:15px; line-height:1.3; margin:0 0 2px; letter-spacing:-.025em; white-space:nowrap; }
.ai-platform p { margin:0; color:var(--muted); font-size:11px; }

.geo-demo { display:contents; }
.geo-demo .ai-copy { grid-column:1; grid-row:2; }
.geo-demo .answer-card { grid-column:2; grid-row:1 / span 2; align-self:stretch; }
.geo-demo h3 { font-size:28px; letter-spacing:-.025em; line-height:1.35; text-wrap:balance; }
.geo-demo .ai-copy > p { font-size:15px; }
.question-pill { min-height:44px; font-size:13px; padding:10px 16px; }
.answer-response { color:#48515e; }
.training-section { background:#f6f6f6; }
.training-layout { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr); gap:64px; align-items:center; }
.training-visual { margin:0; }
.training-visual img { width:100%; height:490px; object-fit:cover; border-radius:20px; }
.training-visual figcaption { color:var(--muted); margin-top:12px; font-size:11px; }
.training-copy > p { color:var(--muted); margin:24px 0; font-size:15px; line-height:1.9; }
.training-note { border-top:1px solid #dcd8d1; padding-top:22px; margin-bottom:28px; }
.training-note h3 { font-size:18px; margin:0 0 10px; line-height:1.4; }
.training-note p { font-size:14px; line-height:1.8; color:var(--muted); margin:0; }
.case-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.case-content { display:grid; gap:20px; }
.case-content h3 { font-size:28px; line-height:1.4; }
.case-content p { max-width:100%; font-size:15px; line-height:1.8; }
.case-content a { justify-self:start; }
.footer-inner { grid-template-columns:1fr auto; }
.footer-note { grid-column:1 / -1; text-align:left; }
.topbar-inner { gap:18px; }
.topbar .brand-mark { background:transparent; border-radius:0; overflow:visible; width:40px; height:40px; flex-basis:40px; }
.topbar .brand-mark img { object-fit:contain; }
/* Display the lettering without its transparent outer padding; retain the source PNG intact. */
.brand-wordmark { position:relative; display:block; width:93.6px; aspect-ratio:10 / 3; flex:none; overflow:hidden; }
.brand-wordmark img { position:absolute; width:128.81%; height:auto; max-width:none; left:-14.88%; top:-22.02%; }
@media (max-width:620px) { .brand-wordmark { width:83.2px; } }
.contact-wrap { gap:80px; }
@media (max-width:1000px) {
  .hero { gap:35px; }
  .section-intro { grid-template-columns:1fr; gap:24px; }
  .section-intro > p { max-width:580px; }
  .geo-demo, .training-layout { grid-template-columns:1fr; gap:36px; }
  .training-visual img { height:auto; aspect-ratio:3/2; }
  .training-copy h2 { max-width:none; }
  .case-grid { grid-template-columns:1fr; }
  .signal-grid { grid-template-columns:1.4fr 1fr 1fr; }
  .platform-heading { padding:22px; }
  .search-photo { height:auto; }
  .geo-body { grid-template-columns:1fr; row-gap:26px; }
  .geo-demo .answer-card { grid-column:1; grid-row:3; }
}
@media (max-width:620px) {
  .hero h1 { font-size:clamp(32px,14cqi,54px); }
  .section-intro h2, .heading-block h2, .contact-copy h2 { font-size:clamp(24px,10cqi,40px); }
  .hero-copy { padding-top:0; }
  .hero-meta { margin-top:24px; }
  .hero-stage { min-height:340px; }
  .hero-device-card { width:96%; }
  .status-badge { bottom:62px; }
  .product-swatch { width:132px; }
  .product-swatch img { height:142px; }
  .device-caption { padding:12px; }
  .device-caption strong { font-size:11px; }
  .signal-grid { grid-template-columns:1fr 1fr; }
  .seo-grid { grid-template-columns:1fr; }
  .platform-gallery { grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
  .ai-platform { padding:4px 0; column-gap:10px; }
  .ai-platform img { width:26px; height:26px; }
  .ai-platform h3 { font-size:15px; margin:0 0 3px; }
  .ai-platform p { font-size:10px; }
  .geo-demo { margin-top:40px; }
  .platform-copy { padding:24px; }
  .footer-inner { grid-template-columns:1fr; }
  .footer-links { gap:16px; flex-wrap:wrap; }
  .contact-wrap { gap:36px; }
  .gallery-feature img { height:250px; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { transition:none !important; }
}

/* Brand-first positioning and a restrained, parallel comparison layout. */
:root { --accent:#822c32; --soft-blue:#f5f5f5; }
.keep-together { white-space:nowrap; }
.eyebrow-dot, .eyebrow-dot.orange, .eyebrow-dot.violet, .eyebrow-dot.emerald { background:#8c8c8c; }
.tag-blue, .tag-orange, .tag-violet, .tag-emerald { background:#f2f2f2; color:#444; }
.hero { grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:64px; min-height:640px; padding-block:72px; }
.hero-copy { padding-left:0; }
.hero-positioning { margin:0 0 26px; color:var(--ink); font-size:17px; font-weight:600; letter-spacing:.06em; white-space:nowrap; text-wrap:nowrap; }
.hero h1 { font-size:clamp(32px,12.7cqi,70px); line-height:1.22; letter-spacing:-.045em; }
.hero h1 .title-line { color:var(--ink); }
.hero h1 .title-line:last-child { color:#4b4b4b; }
.hero h1 .hero-emphasis { color:var(--accent); font-style:normal; }
.hero-intro { max-width:455px; font-size:16px; line-height:1.9; text-wrap:pretty; }
.hero-meta { margin-top:34px; gap:24px; color:#777; font-size:11px; }
.brand-visual { margin:0; overflow:hidden; border:1px solid var(--hairline); border-radius:18px; }
.brand-visual img { width:100%; height:390px; object-fit:cover; object-position:76% center; }
.brand-visual figcaption { display:grid; gap:6px; padding:18px 22px; background:#fff; }
.brand-visual figcaption span { font-family:var(--mono); font-size:9px; letter-spacing:.1em; color:var(--muted); }
.brand-visual figcaption strong { color:var(--ink); font-size:15px; font-weight:500; }
.positioning-strip { border-block:1px solid var(--hairline); background:#fafafa; padding-block:30px; }
.positioning-inner { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.positioning-inner h2 { font-size:23px; line-height:1.5; letter-spacing:-.03em; text-wrap:balance; }
.positioning-inner p { margin:0; color:var(--muted); font-size:14px; line-height:1.85; text-wrap:pretty; }
.advantages-preview { padding:58px 0; border-block:1px solid var(--hairline); background:#f7f7f7; }
.advantages-preview-inner { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.advantages-preview-copy p { margin:0 0 18px; color:var(--muted); font-size:15px; line-height:1.9; }
.advantages-preview-copy .maintenance-note { font-size:13px; }
.maintenance-note strong { color:var(--ink); white-space:nowrap; }
.advantages-preview-copy .text-link { white-space:normal; font-size:14px; line-height:1.7; text-wrap:balance; }
.work-section { padding-block:78px; }
.work-compact { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:64px; align-items:center; }
.work-visual { margin:0; }
.work-visual img { width:100%; height:auto; aspect-ratio:3 / 2; object-fit:contain; border-radius:16px; }
.work-visual figcaption { margin-top:10px; font-size:10px; color:var(--muted); }
.work-copy h2 { font-size:clamp(26px,8cqi,38px); }
.work-copy p { margin:20px 0; font-size:15px; line-height:1.9; color:var(--muted); }
.work-copy .text-link { white-space:normal; }
.comparison-page { padding-bottom:80px; }
.comparison-hero { padding-block:72px 52px; display:grid; grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr); gap:80px; align-items:end; }
.comparison-heading { container-type:inline-size; min-width:0; }
.comparison-hero .eyebrow { font-size:12px; margin-bottom:24px; }
.comparison-hero h1 { max-width:none; font-size:clamp(30px,10.5cqi,60px); line-height:1.3; letter-spacing:-.045em; margin-bottom:24px; }
.comparison-hero h1 .title-line { color:var(--ink); }
.comparison-hero p { margin:0; color:var(--muted); font-size:16px; line-height:1.95; text-wrap:pretty; }
.cadence-note { border-left:1px solid #d6d6d6; padding:4px 0 4px 32px; }
.cadence-note > span { display:block; font-size:12px; color:var(--muted); }
.cadence-note strong { display:block; margin:12px 0; font-size:68px; line-height:1.1; color:var(--ink); letter-spacing:-.06em; font-weight:500; }
.cadence-note strong small { font-size:18px; margin-left:12px; letter-spacing:0; }
.cadence-note p { font-size:13px; }
.comparison-table-wrap { border:1px solid var(--hairline); border-radius:16px; overflow:hidden; }
.compare-platforms { display:none; }
.comparison-table { width:100%; border-collapse:collapse; table-layout:fixed; text-align:left; font-size:14px; line-height:1.85; }
.comparison-table caption { padding:24px; text-align:left; font-size:18px; color:var(--ink); font-weight:600; border-bottom:1px solid var(--hairline); text-wrap:balance; }
.comparison-table th, .comparison-table td { padding:22px 26px; vertical-align:top; border-bottom:1px solid var(--hairline); overflow-wrap:break-word; text-wrap:pretty; }
.comparison-table thead th { background:#f7f7f7; color:var(--ink); font-size:17px; font-weight:600; }
.comparison-table thead th:first-child { width:17%; font-size:13px; color:var(--muted); }
.comparison-table thead small { display:block; margin-top:6px; color:var(--muted); font-size:11px; line-height:1.8; font-weight:400; }
.comparison-table tbody th { color:var(--ink); font-weight:500; }
.comparison-table td { color:var(--muted); text-wrap:balance; }
.comparison-table td:last-child { background:#fafafa; color:#333; }
.comparison-table td strong { display:block; color:var(--ink); font-weight:600; margin-bottom:5px; text-wrap:balance; }
.comparison-table tbody tr:last-child > * { border-bottom:0; }
.comparison-context { display:grid; grid-template-columns:1fr 1fr; gap:64px; padding-block:44px; }
.comparison-context h2 { font-size:25px; line-height:1.45; letter-spacing:-.025em; margin-bottom:16px; text-wrap:balance; }
.comparison-context p { font-size:14px; line-height:1.9; color:var(--muted); margin:0; }
.comparison-sources { border-top:1px solid var(--hairline); padding-top:20px; font-size:11px; line-height:1.8; color:var(--muted); }
.comparison-sources p { margin:0; text-wrap:pretty; }
.comparison-sources a { text-decoration:underline; text-underline-offset:3px; }
.comparison-cta { margin-top:40px; padding:30px 32px; background:#111; color:white; border-radius:14px; display:flex; align-items:center; justify-content:space-between; gap:28px; }
.comparison-cta h2 { color:white; font-size:24px; line-height:1.4; letter-spacing:-.025em; margin-bottom:8px; }
.comparison-cta p { margin:0; font-size:13px; color:#bbb; }
.comparison-cta .button { flex-shrink:0; }
@media (max-width:1000px) {
  .hero { grid-template-columns:1fr; gap:36px; padding-block:52px; }
  .hero-copy { max-width:600px; }
  .hero-intro { max-width:540px; }
  .brand-visual img { height:350px; }
  .positioning-inner, .advantages-preview-inner, .work-compact { gap:36px; }
  .positioning-inner h2 { font-size:21px; }
  .work-compact { grid-template-columns:1fr 1fr; }
  .comparison-hero { gap:40px; }
  .comparison-table th, .comparison-table td { padding:20px 18px; }
  .comparison-table thead th:first-child { width:15%; }
  .cadence-note { padding-left:22px; }
  .cadence-note strong { font-size:54px; }
  .comparison-context { gap:36px; }
}
@media (max-width:620px) {
  .hero { padding-block:40px; min-height:0; gap:30px; }
  .hero-positioning { font-size:14px; letter-spacing:.03em; margin-bottom:22px; }
  .hero h1 { font-size:clamp(32px,12.7cqi,54px); }
  .hero-intro { font-size:15px; margin-bottom:24px; }
  .hero-meta { gap:20px; margin-top:26px; }
  .brand-visual img { height:auto; aspect-ratio:1.35; }
  .brand-visual figcaption { padding:15px 18px; }
  .positioning-inner, .advantages-preview-inner, .work-compact { grid-template-columns:1fr; gap:22px; }
  .positioning-inner h2 { font-size:21px; }
  .advantages-preview { padding-block:44px; }
  .work-section { padding-block:54px; }
  .work-copy h2 { font-size:clamp(26px,10cqi,38px); }
  .comparison-page { padding-bottom:48px; }
  .comparison-hero { grid-template-columns:1fr; padding-block:40px 32px; gap:28px; }
  .comparison-hero h1 { font-size:clamp(30px,10.5cqi,46px); }
  .comparison-hero p { font-size:14px; }
  .cadence-note { padding-left:20px; }
  .cadence-note strong { font-size:44px; margin-block:8px; }
  .cadence-note p { font-size:12px; }
  .comparison-table, .comparison-table caption, .comparison-table tbody { display:block; width:100%; }
  .comparison-table thead { position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); }
  .comparison-table caption { font-size:17px; padding:20px; }
  .compare-platforms { display:block; margin-top:10px; font-size:11px; line-height:1.8; font-weight:400; color:var(--muted); text-wrap:balance; }
  .comparison-table tbody tr { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); }
  .comparison-table th, .comparison-table td { display:block; padding:15px; font-size:12px; line-height:1.85; border-bottom:0; }
  .comparison-table tbody th { grid-column:1 / -1; border-top:1px solid var(--hairline); background:#f4f4f4; padding-block:10px; font-size:13px; }
  .comparison-table tbody tr:first-child th { border-top:0; }
  .comparison-table td::before { content:attr(data-label); display:block; font-size:10px; color:#777; margin-bottom:10px; }
  .comparison-context { grid-template-columns:1fr; gap:28px; padding-block:32px; }
  .comparison-context h2 { font-size:22px; }
  .comparison-cta { display:grid; padding:24px; gap:20px; }
  .comparison-cta h2 { font-size:22px; }
  .comparison-cta .button { justify-self:start; }
}

/* Crawlable service answers and honest local inquiry preview. */
.faq-section { background:#fafafa; border-top:1px solid var(--hairline); padding-block:76px; }
.faq-layout { display:grid; grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr); gap:72px; align-items:start; }
.editorial-note { color:var(--muted); font-size:11px; line-height:1.8; margin:24px 0 0; }
.faq-list details { border-bottom:1px solid var(--hairline); padding:18px 0; }
.faq-list details:first-child { padding-top:0; }
.faq-list summary { cursor:pointer; color:var(--ink); font-size:16px; font-weight:600; line-height:1.65; text-wrap:balance; }
.faq-list details p { margin:14px 0 0; font-size:14px; color:var(--muted); line-height:1.85; text-wrap:pretty; }
.reference-note { margin:22px 0 0; font-size:11px; color:var(--muted); line-height:1.9; }
.reference-note a { text-decoration:underline; text-underline-offset:3px; }
.breadcrumbs { margin-top:28px; font-size:12px; color:var(--muted); display:flex; gap:12px; }
.breadcrumbs a { text-decoration:underline; text-underline-offset:3px; }
.form-preview-label { color:#444; font-size:12px; padding-bottom:15px; border-bottom:1px solid var(--hairline); }
.lead-summary { margin-top:20px; }
.lead-form fieldset { border:0; padding:0; margin:0; min-width:0; }
.lead-form .lead-summary textarea { padding:12px; border:1px solid var(--hairline); font-family:var(--sans); font-size:12px; line-height:1.7; }
[hidden] { display:none !important; }
.footer-links { flex-wrap:wrap; }
.contact-form h3 { margin:0 0 8px; font-size:22px; line-height:1.4; letter-spacing:-.02em; }
.contact-hint { margin:0 0 22px; font-size:13px; color:#777; }
.contact-form label { font-family:var(--sans); font-size:13px; letter-spacing:0; margin-bottom:18px; }
.contact-form input { padding:10px 0; font-size:15px; }
.contact-form .contact-privacy { margin:13px 0 0; color:#777; font-size:11px; line-height:1.7; }
.contact-form .form-note:empty { display:none; }
.contact-form .form-note { font-size:12px; color:#555; line-height:1.7; }
.contact-form .form-note[data-state="error"] { color:#822c32; }
.contact-form button:disabled { opacity:.55; cursor:wait; transform:none; }
.contact-form input[aria-invalid="true"] { border-color:#822c32; }
.contact-trap { position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); }
.wechat-contact { display:flex; align-items:center; gap:18px; margin-top:24px; width:fit-content; }
.wechat-contact img { width:116px; height:auto; border-radius:8px; background:white; }
.wechat-contact span { color:#ddd; font-size:13px; }
.wechat-contact small { display:block; margin-top:6px; color:#999; font-size:11px; }
@media (max-width:1000px) { .faq-layout { grid-template-columns:1fr; gap:32px; } }
@media (max-width:620px) { .faq-section { padding-block:54px; } }

/* Compact editorial rhythm and a readable two-sided procurement conversation. */
.hero { min-height:0; padding-block:48px; }
.section, .work-section, .faq-section, .contact-section { padding-block:56px; }
.section-topline { margin-bottom:20px; }
.section-intro, .section-intro.compact { margin-bottom:28px; }
.section .eyebrow, .advantages-preview .eyebrow { margin-bottom:14px; }
.positioning-strip { padding-block:22px; }
.positioning-inner h2 { max-width:none; text-wrap:balance; }
.positioning-line { display:block; white-space:nowrap; }
.advantages-preview { padding-block:40px; }
.training-note { margin-bottom:22px; padding-top:18px; }
.training-visual img { height:auto; aspect-ratio:3 / 2; }
.case-content { gap:14px; }
.faq-list details { padding-block:14px; }
.comparison-hero { padding-block:42px 32px; }
.comparison-context { padding-block:32px; }
.comparison-page { padding-bottom:48px; }
.geo-body { grid-template-rows:auto 1fr; row-gap:24px; }
.geo-demo .ai-copy { align-self:start; }
.geo-demo .ai-copy h3 { margin:0 0 16px; line-height:1.45; }
.geo-demo .ai-copy > p { margin-bottom:20px; max-width:440px; line-height:1.8; }
.question-pills { gap:8px; }
.question-pill { padding:9px 12px; border-color:#dedede; }
.question-pill.active { color:#fff; background:#202020; border-color:#202020; }
.chat-context-link { display:inline-block; margin-top:20px; font-size:13px; white-space:normal; }
.procurement-chat { grid-column:2; grid-row:1 / span 2; min-width:0; overflow:hidden; background:#fafafa; border:1px solid #e2e2e2; border-radius:18px; }
.chat-topbar { display:flex; justify-content:space-between; align-items:center; gap:12px; padding:16px 20px; background:#fff; border-bottom:1px solid #e7e7e7; }
.chat-heading { color:#666; font-size:12px; }
.chat-heading strong { color:#222; margin-left:6px; font-weight:600; font-size:14px; }
.chat-demo-label { font-size:10px; color:#777; white-space:nowrap; }
.chat-messages { display:grid; gap:18px; padding:22px 18px; }
.chat-message { display:flex; gap:10px; align-items:flex-start; min-width:0; }
.chat-message.from-customer { flex-direction:row-reverse; padding-left:28px; }
.chat-message.from-assistant { padding-right:24px; }
.chat-avatar { display:flex; align-items:center; justify-content:center; width:38px; height:38px; flex:0 0 38px; border-radius:50%; object-fit:cover; }
.customer-avatar { background:#e9e7e3; }
.assistant-avatar { background:#fff; border:1px solid #e2e2e2; }
.assistant-avatar img { width:24px; height:24px; object-fit:contain; }
.chat-message-content { flex:1; min-width:0; }
.chat-speaker { display:block; margin-bottom:6px; font-size:10px; line-height:1.2; color:#777; }
.from-customer .chat-speaker { text-align:right; }
.chat-bubble { margin:0; padding:12px 14px; border-radius:13px; color:#333; font-size:13px; line-height:1.8; text-wrap:pretty; overflow-wrap:break-word; }
.from-customer .chat-bubble { background:#ededeb; border-top-right-radius:3px; }
.from-assistant .chat-bubble { background:#fff; border:1px solid #e7e7e7; border-top-left-radius:3px; }
@media (max-width:1000px) {
  .hero { padding-block:38px; }
  .section, .work-section, .faq-section, .contact-section { padding-block:44px; }
  .geo-body { grid-template-rows:auto; gap:22px; }
  .procurement-chat { grid-column:1; grid-row:3; }
  .geo-demo .ai-copy > p { max-width:580px; }
  .geo-demo .ai-copy h3 br { display:none; }
  .positioning-inner { grid-template-columns:1fr 1.2fr; gap:28px; }
}
@media (max-width:620px) {
  .hero { padding-block:30px; gap:24px; }
  .section, .work-section, .faq-section, .contact-section { padding-block:34px; }
  .section-topline { margin-bottom:16px; }
  .section-intro, .section-intro.compact { gap:18px; margin-bottom:22px; }
  .section .eyebrow { margin-bottom:12px; }
  .positioning-inner { grid-template-columns:1fr; gap:12px; }
  .positioning-inner h2 { font-size:20px; }
  .advantages-preview { padding-block:30px; }
  .geo-demo { margin-top:0; }
  .geo-demo .ai-copy h3 { font-size:24px; }
  .chat-topbar { padding:13px; }
  .chat-messages { padding:16px 12px; gap:16px; }
  .chat-avatar { width:32px; height:32px; flex-basis:32px; }
  .assistant-avatar img { width:22px; height:22px; }
  .chat-message { gap:8px; }
  .chat-message.from-customer { padding-left:8px; }
  .chat-message.from-assistant { padding-right:8px; }
  .chat-bubble { padding:10px 12px; font-size:13px; }
  .comparison-hero { padding-block:28px 24px; }
  .comparison-context { padding-block:24px; }
}