:root {
  --bg: #f4f7fb;
  --bg-2: #eef4f9;
  --surface: #ffffff;
  --surface-soft: #f8fbfd;
  --line: rgba(20, 48, 75, .12);
  --line-strong: rgba(20, 48, 75, .2);
  --text: #102033;
  --muted: #66778a;
  --cyan: #00a9d6;
  --cyan-deep: #007fa8;
  --cyan-soft: rgba(0, 169, 214, .1);
  --lime: #66b947;
  --shadow: 0 24px 70px rgba(44, 73, 102, .12);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id], article[id] { scroll-margin-top: 104px; }
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at 10% 2%, rgba(0, 169, 214, .11), transparent 26%), radial-gradient(circle at 88% 24%, rgba(90, 132, 255, .09), transparent 24%), linear-gradient(180deg, #f8fbff 0%, var(--bg) 48%, #f0f5fa 100%);
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.65;
  padding-top: 84px;
  overflow-x: clip;
}
.noise { position: fixed; inset: 0; opacity: .012; pointer-events: none; z-index: -1; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }

.site-header { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; min-height: 84px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); position: fixed; top: 0; left: 50%; transform: translateX(-50%); z-index: 50; background: rgba(248,251,255,.94); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 46px; height: 46px; border-radius: 12px; box-shadow: 0 10px 28px rgba(10, 39, 61, .18); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.brand-copy strong { font-size: 16px; letter-spacing: .16em; }
.brand-copy small { color: var(--muted); font-size: 11px; margin-top: 6px; letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: 22px; color: #43566b; font-size: 14px; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: var(--cyan-deep); }
.nav-cta { border: 1px solid rgba(0, 169, 214, .42); padding: 9px 16px; border-radius: 999px; color: var(--cyan-deep) !important; background: rgba(255,255,255,.62); }
.menu-button { display: none; }
.section { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.hero { min-height: 680px; display: grid; grid-template-columns: 1.06fr .94fr; gap: 54px; align-items: center; padding: 40px 0 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--cyan-deep); font-size: 12px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(102,185,71,.12), 0 0 14px rgba(102,185,71,.42); }
.status-dot.offline { background: #e85b6d; box-shadow: 0 0 0 5px rgba(232,91,109,.1); }
.status-dot.large { width: 13px; height: 13px; flex: 0 0 auto; }
.hero h1 { font-size: clamp(52px, 7.2vw, 92px); line-height: .98; letter-spacing: -.055em; margin: 24px 0 26px; font-weight: 780; }
.hero h1 em { color: var(--cyan); font-style: normal; }
.hero-lead { max-width: 620px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 12px; font-weight: 700; font-size: 14px; transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--cyan); color: #ffffff; box-shadow: 0 14px 34px rgba(0,169,214,.23); }
.button.primary:hover { background: var(--cyan-deep); }
.button.ghost { border: 1px solid var(--line-strong); color: #33485f; background: rgba(255,255,255,.68); }
.button.ghost:hover { border-color: rgba(0,169,214,.45); }
.hero-stats { display: flex; gap: 38px; margin-top: 56px; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-size: 22px; }
.hero-stats span { color: var(--muted); font-size: 12px; }
.hero-visual { min-height: 500px; position: relative; display: grid; place-items: center; }
.visual-glow { position: absolute; width: 380px; height: 380px; border-radius: 50%; background: rgba(0,169,214,.14); filter: blur(72px); }
.hero-visual img { width: min(330px, 72vw); position: relative; z-index: 3; border-radius: 48px; box-shadow: 0 36px 90px rgba(23,50,74,.24); animation: float 5s ease-in-out infinite; }
.visual-grid { position: absolute; width: 430px; height: 430px; border-radius: 50%; background-image: linear-gradient(rgba(30,86,124,.09) 1px, transparent 1px), linear-gradient(90deg, rgba(30,86,124,.09) 1px, transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(circle, #000 35%, transparent 72%); }
.orbit { position: absolute; border: 1px solid rgba(0,169,214,.24); border-radius: 50%; }
.orbit-a { width: 440px; height: 440px; animation: spin 26s linear infinite; }
.orbit-a::before { content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); top: 42px; left: 80px; box-shadow: 0 0 18px rgba(0,169,214,.6); }
.orbit-b { width: 520px; height: 520px; border-style: dashed; opacity: .45; animation: spin 38s linear infinite reverse; }
.floating-card { position: absolute; z-index: 4; display: flex; flex-direction: column; padding: 12px 16px; border: 1px solid var(--line); background: rgba(255,255,255,.86); backdrop-filter: blur(14px); border-radius: 12px; box-shadow: 0 15px 40px rgba(44,73,102,.13); }
.floating-card span { color: var(--cyan-deep); font-size: 10px; letter-spacing: .14em; }
.floating-card strong { font-size: 13px; }
.card-top { top: 90px; right: 8px; }
.card-bottom { bottom: 86px; left: 5px; }
.section-heading { max-width: 720px; margin-bottom: 48px; }
.section-heading h2, .cloud-copy h2, .cta-section h2 { font-size: clamp(36px, 4.4vw, 58px); line-height: 1.08; letter-spacing: -.04em; margin: 16px 0; }
.section-heading p, .cloud-copy > p { color: var(--muted); font-size: 17px; }
.products { padding: 110px 0; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { position: relative; padding: 30px; min-height: 440px; border: 1px solid var(--line); background: rgba(255,255,255,.82); border-radius: 18px; overflow: hidden; box-shadow: 0 18px 55px rgba(44,73,102,.07); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-7px); border-color: rgba(0,169,214,.35); box-shadow: 0 26px 65px rgba(44,73,102,.13); }
.product-card.featured::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--cyan), transparent); }
.product-index { position: absolute; top: 24px; right: 25px; color: #94a4b5; font-size: 12px; letter-spacing: .12em; }
.product-icon { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 14px; background: var(--cyan-soft); border: 1px solid rgba(0,169,214,.2); color: var(--cyan-deep); font-weight: 800; letter-spacing: -.04em; }
.product-card h3 { font-size: 25px; margin: 28px 0 12px; }
.product-card p, .product-card li { color: var(--muted); }
.product-card ul { list-style: none; padding: 0; margin: 24px 0; }
.product-card li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.product-card li::before { content: "•"; color: var(--cyan); margin-right: 9px; }
.product-card a { position: absolute; left: 30px; bottom: 28px; color: var(--cyan-deep); font-weight: 700; font-size: 14px; }
.product-card a span { display: inline-block; transition: transform .2s ease; }
.product-card a:hover span { transform: translateX(4px); }
.cloud-section { display: grid; grid-template-columns: 1fr .9fr; gap: 70px; align-items: center; padding: 116px 0; }
.feature-list { margin-top: 34px; display: grid; gap: 12px; }
.feature-list > div { display: grid; grid-template-columns: 42px 120px 1fr; align-items: baseline; gap: 12px; border-top: 1px solid var(--line); padding-top: 16px; }
.feature-list span { color: var(--cyan-deep); font-size: 11px; }
.feature-list strong { font-size: 15px; }
.feature-list p { color: var(--muted); margin: 0; font-size: 14px; }
.status-panel { border: 1px solid rgba(0,169,214,.18); background: rgba(255,255,255,.9); border-radius: 20px; padding: 24px; box-shadow: var(--shadow); }
.panel-head { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.panel-badge { color: var(--lime); background: rgba(102,185,71,.1); border-radius: 999px; padding: 3px 9px; }
.status-main { display: flex; gap: 16px; align-items: center; margin: 34px 0; }
.status-main small { display: block; color: var(--muted); }
.status-main strong { font-size: 30px; letter-spacing: -.03em; }
.status-details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 12px 0; }
.status-details div { display: flex; justify-content: space-between; padding: 9px 0; }
.status-details span { color: var(--muted); font-size: 13px; }
.status-details code { color: var(--cyan-deep); font-size: 12px; }
.panel-link { display: inline-block; margin-top: 19px; color: var(--cyan-deep); font-size: 14px; font-weight: 700; }
.roadmap { padding: 110px 0; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.timeline-item { position: relative; padding: 28px 24px 0 0; }
.timeline-item::before { content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%; background: #bbc6d1; top: -5px; left: 0; }
.timeline-item.done::before { background: var(--lime); box-shadow: 0 0 0 5px rgba(102,185,71,.1); }
.timeline-item.active::before { background: var(--cyan); box-shadow: 0 0 0 5px rgba(0,169,214,.1); }
.timeline-item span { color: #8b9aaa; font-size: 11px; }
.timeline-item strong { display: block; margin-top: 12px; }
.timeline-item p { color: var(--muted); font-size: 14px; max-width: 220px; }
.cta-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; padding: 100px 0 120px; border-top: 1px solid var(--line); }
.cta-section p { color: var(--muted); max-width: 520px; }
.site-footer { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; border-top: 1px solid var(--line); padding: 28px 0 40px; display: flex; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 13px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 36px; height: 36px; border-radius: 9px; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 900px) {
  .site-header { background: rgba(248,251,255,.9); backdrop-filter: blur(14px); }
  .menu-button { display: block; color: var(--text); background: rgba(255,255,255,.75); border: 1px solid var(--line); border-radius: 9px; padding: 8px 12px; }
  .site-nav { display: none; position: absolute; top: 74px; right: 0; width: 230px; padding: 18px; flex-direction: column; align-items: stretch; gap: 8px; background: #ffffff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 24px 60px rgba(44,73,102,.16); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 8px 5px; }
  .nav-cta { text-align: center; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 28px; }
  .hero-visual { min-height: 420px; }
  .product-grid, .cloud-section, .cta-section { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 28px 0; border-top: 0; }
  .timeline-item { border-top: 1px solid var(--line); }
  .timeline-item::before { top: -5px; }
  .feature-list > div { grid-template-columns: 38px 110px 1fr; }
}
@media (max-width: 560px) {
  .site-header, .section, .site-footer { width: min(100% - 28px, var(--max)); }
  .hero h1 { font-size: 48px; }
  .hero-lead { font-size: 16px; }
  .hero-stats { gap: 24px; }
  .hero-visual { min-height: 350px; }
  .hero-visual img { width: 230px; }
  .visual-grid, .orbit-a { width: 300px; height: 300px; }
  .orbit-b { width: 360px; height: 360px; }
  .floating-card { display: none; }
  .product-card { min-height: 430px; }
  .timeline { grid-template-columns: 1fr; }
  .feature-list > div { grid-template-columns: 34px 1fr; }
  .feature-list p { grid-column: 2; }
  .site-footer { flex-direction: column; }
}

.download-section { padding: 100px 0 30px; }
.download-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.download-card, .download-note { border: 1px solid var(--line); background: rgba(255,255,255,.88); border-radius: 18px; padding: 28px; box-shadow: 0 18px 55px rgba(44,73,102,.08); }
.download-head { display: flex; align-items: center; gap: 16px; }
.download-head h3 { margin: 2px 0 0; font-size: 25px; }
.download-head span { color: var(--cyan-deep); font-size: 10px; letter-spacing: .14em; }
.download-card > p { color: var(--muted); margin: 22px 0; }
.download-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 24px; }
.download-meta span { border-radius: 999px; background: var(--cyan-soft); color: var(--cyan-deep); padding: 6px 10px; font-size: 12px; }
.download-note strong { display: block; margin: 14px 0 8px; font-size: 20px; }
.download-note p { color: var(--muted); }
.download-note ul { list-style: none; padding: 0; color: var(--muted); }
.download-note li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.download-note li::before { content: "✓"; color: var(--cyan-deep); margin-right: 8px; }
.contact-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; padding: 100px 0 120px; }
.contact-copy h2 { font-size: clamp(36px, 4.4vw, 58px); line-height: 1.08; letter-spacing: -.04em; margin: 16px 0; }
.contact-copy > p { color: var(--muted); max-width: 480px; }
.contact-list { margin-top: 28px; }
.contact-list div { display: flex; justify-content: space-between; gap: 24px; padding: 14px 0; border-top: 1px solid var(--line); }
.contact-list span { color: var(--muted); font-size: 13px; }
.contact-list strong { font-size: 14px; text-align: right; }
.contact-form { border: 1px solid var(--line); background: rgba(255,255,255,.9); border-radius: 18px; padding: 26px; box-shadow: var(--shadow); }
.contact-form label { display: grid; gap: 8px; margin-bottom: 16px; color: #43566b; font-size: 13px; font-weight: 650; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line-strong); background: #ffffff; color: var(--text); border-radius: 10px; padding: 12px 13px; outline: none; }
.contact-form input:focus, .contact-form textarea:focus { border-color: rgba(0,169,214,.55); box-shadow: 0 0 0 4px rgba(0,169,214,.08); }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form-status { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
@media (max-width: 900px) { .download-grid, .contact-section { grid-template-columns: 1fr; } .contact-section { gap: 32px; } }

.footer-links { display: flex; align-items: center; gap: 18px; }
.footer-links a:hover { color: var(--cyan-deep); }
@media (max-width: 900px) {
  .site-nav { top: 76px; }
  .footer-links { margin-left: 0; }
}




.product-tagline { color: var(--cyan-deep) !important; font-weight: 700; margin-bottom: 8px; }
.post-section { display: grid; grid-template-columns: .82fr 1.18fr; gap: 64px; padding: 110px 0 40px; }
.post-intro h2 { font-size: clamp(38px, 4.6vw, 60px); line-height: 1.06; letter-spacing: -.045em; margin: 16px 0; }
.post-intro h2 em { color: var(--cyan); font-style: normal; }
.post-intro > p { color: var(--muted); max-width: 560px; }
.post-intro .button { margin-top: 16px; }
.post-features { display: grid; gap: 14px; }
.post-features article { display: grid; grid-template-columns: 46px 1fr; gap: 16px; padding: 22px 24px; border: 1px solid var(--line); background: rgba(255,255,255,.86); border-radius: 16px; box-shadow: 0 15px 45px rgba(44,73,102,.06); }
.post-features article > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: var(--cyan-soft); color: var(--cyan-deep); font-size: 11px; font-weight: 800; }
.post-features h3 { margin: 1px 0 5px; font-size: 18px; }
.post-features p { margin: 0; color: var(--muted); font-size: 14px; }
.post-disclaimer { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 16px; margin-top: 14px; color: var(--muted); font-size: 12px; }
@media (max-width: 900px) { .post-section { grid-template-columns: 1fr; gap: 34px; padding-top: 80px; } }

.nav-product { position: relative; }
.nav-product-toggle { display: inline-flex; align-items: center; gap: 6px; padding: 0; border: 0; background: transparent; color: inherit; cursor: pointer; }
.nav-product-toggle:hover { color: var(--cyan-deep); }
.nav-caret { font-size: 13px; transition: transform .2s ease; }
.nav-product.open .nav-caret { transform: rotate(180deg); }
.product-menu { position: absolute; top: calc(100% + 18px); left: 50%; width: 330px; padding: 10px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.98); box-shadow: 0 28px 70px rgba(44,73,102,.17); opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 8px); transition: opacity .2s ease, transform .2s ease, visibility .2s ease; z-index: 60; }
.product-menu::before { content: ""; position: absolute; inset: -20px 0 auto; height: 20px; }
.product-menu a { display: grid; grid-template-columns: 42px 1fr; gap: 12px; align-items: center; padding: 12px; border-radius: 11px; transition: background .2s ease; }
.product-menu a:hover { background: var(--surface-soft); }
.menu-product-badge { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: var(--cyan-soft); color: var(--cyan-deep); font-size: 12px; font-weight: 800; }
.product-menu strong, .product-menu small { display: block; }
.product-menu strong { font-size: 14px; }
.product-menu small { color: var(--muted); font-size: 11px; margin-top: 3px; }
.nav-product.open .product-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
@media (max-width: 900px) {
  .nav-product { width: 100%; }
  .nav-product-toggle { width: 100%; justify-content: space-between; padding: 8px 5px; }
  .product-menu { position: static; width: auto; margin: 4px 0 6px 10px; padding: 4px; display: none; opacity: 1; visibility: visible; pointer-events: auto; transform: none; box-shadow: none; background: transparent; border: 0; }
  .nav-product.open .product-menu { display: block; }
  .product-menu a { grid-template-columns: 36px 1fr; padding: 9px; }
  .menu-product-badge { width: 32px; height: 32px; border-radius: 9px; }
}


/* 2026 content and color refresh */
:root {
  --bg: #f5f8fc;
  --bg-2: #edf3f9;
  --surface: #ffffff;
  --surface-soft: #f7fafc;
  --line: rgba(18, 49, 79, .12);
  --line-strong: rgba(18, 49, 79, .22);
  --text: #10233c;
  --muted: #64758a;
  --cyan: #08a9d6;
  --cyan-deep: #067b9f;
  --cyan-soft: rgba(8, 169, 214, .1);
  --ai: #5968e8;
  --ai-soft: rgba(89, 104, 232, .1);
  --cloud: #2878d8;
  --cloud-soft: rgba(40, 120, 216, .1);
  --lime: #67b84f;
  --shadow: 0 24px 64px rgba(32, 64, 96, .1);
}
body { background: radial-gradient(circle at 8% 2%, rgba(8,169,214,.12), transparent 25%), radial-gradient(circle at 90% 18%, rgba(89,104,232,.09), transparent 24%), linear-gradient(180deg, #f9fcff 0%, var(--bg) 52%, #eef4f9 100%); }
.eyebrow { letter-spacing: .14em; }
.hero { padding-bottom: 86px; }
.hero h1 em { color: var(--cyan); }
.hero-lead { color: #5d7087; }
.hero-stats strong { font-size: 18px; letter-spacing: -.01em; }
.hero-stats span { margin-top: 3px; }
.hero-visual img { box-shadow: 0 34px 90px rgba(22, 52, 82, .22); }
.section-heading h2, .cloud-copy h2, .post-intro h2, .ai-copy h2, .contact-copy h2 { color: var(--text); }
.section-heading h2 { max-width: 700px; }
.product-card { --accent: var(--cyan); --accent-soft: var(--cyan-soft); background: rgba(255,255,255,.92); }
.product-card:nth-child(2) { --accent: var(--ai); --accent-soft: var(--ai-soft); }
.product-card:nth-child(3) { --accent: var(--cloud); --accent-soft: var(--cloud-soft); }
.product-card.featured::before { background: linear-gradient(90deg, var(--accent), transparent); }
.product-icon { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 24%, transparent); }
.product-card li::before, .product-card a { color: var(--accent); }
.product-card h3 { letter-spacing: -.025em; }
.post-section { padding: 86px 0 48px; }
.post-intro h2 em { color: var(--cyan); }
.post-features article { border-left: 3px solid var(--cyan); }
.post-features article > span { background: var(--cyan-soft); color: var(--cyan-deep); }
.ai-section { display: grid; grid-template-columns: .84fr 1.16fr; gap: 44px; align-items: start; padding: 48px 0 86px; }
.ai-copy { padding: 34px; border-radius: 22px; background: linear-gradient(145deg, rgba(89,104,232,.1), rgba(255,255,255,.9)); border: 1px solid rgba(89,104,232,.18); box-shadow: var(--shadow); }
.ai-copy h2 { margin: 14px 0 16px; font-size: clamp(34px, 4.2vw, 54px); line-height: 1.08; letter-spacing: -.045em; }
.ai-copy p { color: var(--muted); }
.ai-status { display: inline-flex; margin: 8px 0 20px; padding: 6px 10px; border-radius: 999px; background: var(--ai-soft); color: var(--ai); font-size: 12px; font-weight: 700; }
.button.secondary { background: var(--ai); color: #fff; box-shadow: 0 14px 34px rgba(89,104,232,.2); }
.button.secondary:hover { background: #4654cf; }
.ai-grid { display: grid; grid-template-columns: 1fr; gap: 12px; }
.ai-grid article { display: grid; grid-template-columns: 42px 1fr; column-gap: 14px; padding: 20px 22px; border: 1px solid rgba(89,104,232,.14); border-radius: 15px; background: rgba(255,255,255,.9); box-shadow: 0 14px 40px rgba(32,64,96,.06); }
.ai-grid article > span { grid-row: span 2; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: var(--ai-soft); color: var(--ai); font-size: 11px; font-weight: 800; }
.ai-grid h3 { margin: 0 0 4px; font-size: 17px; }
.ai-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.ai-note { grid-column: 1 / -1; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); padding-top: 16px; margin-top: 10px; }
.cloud-section { padding: 88px 0 104px; }
.status-panel { border-color: rgba(40,120,216,.18); }
.panel-badge { color: var(--cloud); background: var(--cloud-soft); }
.panel-link, .status-details code { color: var(--cloud); }
.download-section { padding-top: 74px; }
.download-card { border-top: 3px solid var(--cyan); }
.download-note { border-top: 3px solid var(--ai); }
.contact-section { padding-top: 84px; }
.contact-form { border-top: 3px solid var(--cloud); }
.site-footer { border-top-color: rgba(18,49,79,.16); }
@media (max-width: 900px) {
  .post-section, .ai-section { grid-template-columns: 1fr; }
  .ai-section { gap: 24px; padding-top: 38px; }
  .ai-note { grid-column: auto; }
}


.slogan-heading { font-size: clamp(40px, 4.8vw, 64px) !important; line-height: 1.06 !important; letter-spacing: -.045em !important; max-width: 700px; }
.slogan-heading .slogan-main { display: block; color: var(--cyan); margin-top: 6px; white-space: nowrap; }
.slogan-heading .slogan-dash { color: var(--muted); font-weight: 400; }
.cta-section h2 em { color: var(--cyan); font-style: normal; }
@media (max-width: 560px) {
  .slogan-heading { font-size: 34px !important; }
  .slogan-heading .slogan-main { white-space: normal; }
}

.product-card.ai-card { border-color: rgba(89,104,232,.26); background: linear-gradient(160deg, rgba(89,104,232,.1), rgba(255,255,255,.96) 58%); box-shadow: 0 24px 62px rgba(89,104,232,.13); transform: translateY(-4px); }
.product-card.ai-card:hover { transform: translateY(-9px); border-color: rgba(89,104,232,.42); }
.product-card.ai-card::after { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: linear-gradient(90deg, var(--ai), transparent); }
.product-card.ai-card .product-icon { background: var(--ai-soft); color: var(--ai); border-color: rgba(89,104,232,.24); }
.card-status { position: absolute; top: 52px; right: 24px; padding: 4px 9px; border-radius: 999px; background: var(--ai-soft); color: var(--ai); font-size: 10px; font-weight: 800; letter-spacing: .08em; }
.menu-product-badge.ai { background: var(--ai-soft); color: var(--ai); }
@media (max-width: 900px) { .product-card.ai-card { transform: none; } }

.product-detail-label { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.product-detail-label strong { font-size: clamp(26px, 3vw, 36px); line-height: 1.1; letter-spacing: -.035em; }
.detail-badge { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; font-size: 13px; font-weight: 850; }
.product-detail-label.post .detail-badge { background: var(--cyan-soft); color: var(--cyan-deep); border: 1px solid rgba(8,169,214,.2); }
.product-detail-label.ai .detail-badge { background: var(--ai-soft); color: var(--ai); border: 1px solid rgba(89,104,232,.22); }
.product-detail-label.ai strong { color: var(--ai); }
@media (max-width: 560px) {
  .product-detail-label strong { font-size: 24px; }
  .detail-badge { width: 36px; height: 36px; border-radius: 11px; }
}

.icp-link { margin-left: 8px; color: var(--muted); }
.icp-link:hover { color: var(--cyan-deep); }

.contact-list a { color: var(--cyan-deep); font-weight: 700; word-break: break-all; }
.wechat-card { display: flex; align-items: center; gap: 18px; margin-top: 22px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.9); box-shadow: 0 14px 38px rgba(44,73,102,.07); }
.wechat-card img { width: 132px; height: 132px; flex: 0 0 132px; border-radius: 12px; border: 1px solid var(--line); background: #fff; }
.wechat-card strong { display: block; margin: 6px 0; font-size: 17px; }
.wechat-card p { margin: 0; color: var(--muted); font-size: 13px; }
@media (max-width: 560px) { .wechat-card { align-items: flex-start; } .wechat-card img { width: 104px; height: 104px; flex-basis: 104px; } }

.products .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 900px; }
@media (max-width: 900px) { .products .product-grid { grid-template-columns: 1fr; } }

.about-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: start; padding: 74px 0 30px; }
.about-copy h2 { margin: 14px 0 16px; font-size: clamp(34px, 4.2vw, 52px); line-height: 1.08; letter-spacing: -.04em; }
.about-copy p { color: var(--muted); max-width: 560px; }
.keyword-tags { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 8px; }
.keyword-tags span { padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.9); color: #43566b; font-size: 13px; box-shadow: 0 8px 22px rgba(44,73,102,.05); }
@media (max-width: 900px) { .about-section { grid-template-columns: 1fr; gap: 24px; } }

.about-section { display: block; max-width: 900px; padding-bottom: 18px; }
.about-copy p + p { margin-top: 0; }

.about-section { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: start; max-width: 1100px; }
.founder-card { padding: 26px; border: 1px solid rgba(8,169,214,.18); border-radius: 18px; background: linear-gradient(145deg, rgba(8,169,214,.08), rgba(255,255,255,.94)); box-shadow: var(--shadow); }
.founder-card h3 { margin: 12px 0 8px; font-size: 28px; letter-spacing: -.03em; }
.founder-card p { color: var(--muted); margin: 0 0 18px; }
.founder-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.founder-tags span { padding: 6px 10px; border-radius: 999px; background: var(--cyan-soft); color: var(--cyan-deep); font-size: 12px; }
.founder-card small { display: block; color: #8795a5; font-size: 11px; line-height: 1.6; }
@media (max-width: 900px) { .about-section { grid-template-columns: 1fr; gap: 24px; } }

/* Editorial typography and spacing polish */
body { line-height: 1.75; letter-spacing: .005em; text-rendering: optimizeLegibility; }
h1, h2, h3 { text-wrap: balance; font-weight: 740; }
p { text-wrap: pretty; }
.hero { grid-template-columns: 1.04fr .96fr; gap: 62px; padding-top: 44px; padding-bottom: 74px; }
.hero-lead { max-width: 590px; font-size: 17px; line-height: 1.9; margin: 22px 0 0; }
.hero-actions { margin-top: 30px; }
.hero-stats { gap: 52px; margin-top: 46px; }
.hero-stats strong { font-size: 17px; letter-spacing: .02em; }
.hero-stats span { font-size: 12px; margin-top: 4px; }
.section-heading { margin-bottom: 50px; }
.section-heading h2, .cloud-copy h2, .post-intro h2, .ai-copy h2, .contact-copy h2 { font-size: clamp(36px, 4.2vw, 52px); line-height: 1.14; letter-spacing: -.04em; }
.section-heading p { max-width: 690px; font-size: 16px; line-height: 1.8; }
.products { padding-top: 96px; padding-bottom: 92px; }
.product-grid { gap: 22px; max-width: 930px; }
.product-card { padding: 32px; min-height: 430px; }
.product-card h3 { font-size: 26px; margin-top: 26px; margin-bottom: 10px; }
.product-card p { line-height: 1.8; }
.product-card li { line-height: 1.65; }
.post-section { grid-template-columns: .9fr 1.1fr; gap: 52px; padding-top: 74px; }
.post-intro h2, .ai-copy h2 { font-size: clamp(34px, 4vw, 48px); line-height: 1.15; }
.post-intro > p, .ai-copy > p, .about-copy p { line-height: 1.85; }
.post-features { gap: 12px; }
.post-features article { padding: 22px 24px; }
.post-features h3, .ai-grid h3 { margin-bottom: 6px; }
.post-features p, .ai-grid p { line-height: 1.72; }
.ai-section { grid-template-columns: .86fr 1.14fr; gap: 32px; padding: 42px 0 76px; }
.ai-copy { padding: 32px; }
.ai-grid article { padding: 19px 22px; }
.download-section { padding-top: 72px; }
.download-card, .download-note { padding: 30px; }
.download-card > p, .download-note p { line-height: 1.8; }
.roadmap { padding-top: 82px; padding-bottom: 82px; }
.timeline-item p { line-height: 1.75; }
.about-section { gap: 42px; padding: 68px 0 26px; }
.about-copy h2 { font-size: clamp(32px, 3.6vw, 46px); line-height: 1.16; }
.about-copy p + p { margin-top: 18px; }
.founder-card { padding: 28px; }
.contact-section { grid-template-columns: .86fr 1.14fr; gap: 46px; padding-top: 72px; padding-bottom: 98px; }
.contact-copy > p { line-height: 1.85; }
.contact-list div { padding: 13px 0; }
.wechat-card { padding: 14px; gap: 16px; }
.contact-form { padding: 28px; }
.cta-section { padding: 82px 0 98px; align-items: center; }
.cta-section h2 { font-size: clamp(38px, 4.4vw, 54px); line-height: 1.1; }
.cta-section p { line-height: 1.85; }
.site-footer { padding-top: 24px; padding-bottom: 32px; }
@media (max-width: 900px) {
  .hero { gap: 26px; padding-bottom: 58px; }
  .section-heading { margin-bottom: 38px; }
  .post-section, .ai-section, .contact-section { gap: 28px; }
  .products, .roadmap, .contact-section { padding-top: 64px; padding-bottom: 64px; }
  .about-section { gap: 24px; padding-top: 58px; }
  .cta-section { gap: 26px; padding: 64px 0 76px; }
}
@media (max-width: 560px) {
  .hero-lead { font-size: 16px; line-height: 1.8; }
  .section-heading h2, .post-intro h2, .ai-copy h2, .about-copy h2, .contact-copy h2, .cta-section h2 { font-size: 31px; line-height: 1.2; }
  .product-card { padding: 26px; }
  .post-features article, .ai-grid article { padding: 18px; }
}