:root {
  --ink: #102734;
  --ink-soft: #49616d;
  --brand: #1d6374;
  --brand-dark: #123d55;
  --brand-light: #e8f5f2;
  --accent: #31a579;
  --blue: #3d7cf5;
  --purple: #7c62d8;
  --paper: #ffffff;
  --surface: #f4f8f8;
  --line: #dce8e8;
  --shadow: 0 20px 60px rgba(24, 67, 79, 0.12);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; top: -50px; left: 20px; z-index: 9999; padding: 10px 16px; color: #fff; background: var(--brand-dark); border-radius: 6px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: 72px;
  background: rgba(255,255,255,.91);
  border-bottom: 1px solid rgba(220,232,232,.8);
  backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-header.is-scrolled { background: rgba(255,255,255,.98); box-shadow: 0 8px 30px rgba(21,57,69,.08); }
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; color: #fff; font-size: 20px; font-weight: 800; border-radius: 11px; background: linear-gradient(145deg, var(--brand-dark), var(--accent)); box-shadow: 0 8px 20px rgba(29,99,116,.22); }
.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-size: 17px; letter-spacing: .5px; }
.brand-copy small { color: #78909a; font-size: 8px; letter-spacing: 1.1px; }
.site-nav { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.site-nav a { position: relative; color: #405762; font-size: 14px; text-decoration: none; }
.site-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--accent); transition: right .2s ease; }
.site-nav a:hover, .site-nav a.is-active { color: var(--brand); }
.site-nav a:hover::after, .site-nav a.is-active::after { right: 0; }
.header-entry { display: inline-flex; align-items: center; gap: 8px; padding: 10px 15px; color: #fff; font-size: 13px; font-weight: 600; text-decoration: none; border-radius: 8px; background: var(--brand-dark); transition: transform .2s ease, background .2s ease; }
.header-entry:hover { background: var(--brand); transform: translateY(-1px); }
.menu-toggle { display: none; width: 40px; height: 40px; margin-left: auto; padding: 9px; border: 0; border-radius: 8px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }

.hero { position: relative; min-height: 720px; padding: 154px 0 90px; overflow: hidden; background: linear-gradient(135deg, #f7fbfb 0%, #eef7f4 55%, #f8fafc 100%); }
.hero::before { content: ""; position: absolute; inset: auto 0 0; height: 190px; background: linear-gradient(to top, rgba(255,255,255,.75), transparent); }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero-orb-one { width: 460px; height: 460px; top: -190px; right: -110px; background: radial-gradient(circle, rgba(61,124,245,.13), rgba(61,124,245,0) 68%); }
.hero-orb-two { width: 360px; height: 360px; bottom: -180px; left: 13%; background: radial-gradient(circle, rgba(49,165,121,.18), rgba(49,165,121,0) 68%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 72px; z-index: 1; }
.eyebrow { margin: 0 0 14px; color: var(--brand); font-size: 12px; font-weight: 800; letter-spacing: 2.2px; }
.hero h1 { max-width: 620px; margin: 0; font-size: clamp(42px, 5vw, 66px); line-height: 1.16; letter-spacing: -2px; }
.hero h1 span { display: block; color: var(--accent); }
.hero-summary { max-width: 590px; margin: 26px 0 0; color: var(--ink-soft); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-width: 130px; padding: 13px 22px; font-size: 14px; font-weight: 600; text-decoration: none; border-radius: 9px; transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--brand-dark), var(--brand)); box-shadow: 0 12px 28px rgba(18,61,85,.2); }
.button-secondary { color: var(--brand-dark); border: 1px solid #cbdcdc; background: rgba(255,255,255,.72); }
.hero-features { display: flex; flex-wrap: wrap; gap: 21px; margin: 30px 0 0; padding: 0; list-style: none; color: #59717b; font-size: 13px; }
.hero-features span { display: inline-grid; place-items: center; width: 18px; height: 18px; margin-right: 5px; color: var(--accent); font-size: 11px; border-radius: 50%; background: rgba(49,165,121,.12); }
.visual-panel { min-height: 440px; padding: 18px; border: 1px solid rgba(255,255,255,.75); border-radius: 25px; background: rgba(255,255,255,.67); box-shadow: var(--shadow); backdrop-filter: blur(15px); }
.visual-topline { display: flex; align-items: center; gap: 7px; padding: 2px 4px 16px; color: #718891; font-size: 11px; }
.visual-topline span { margin-right: auto; }
.visual-topline i { width: 7px; height: 7px; border-radius: 50%; background: #cedddd; }
.visual-core { position: relative; min-height: 365px; overflow: hidden; border-radius: 18px; background: linear-gradient(145deg, #123d55 0%, #1d6374 58%, #338870 100%); }
.core-logo { position: absolute; inset: 50% auto auto 50%; display: grid; place-items: center; width: 84px; height: 84px; color: #fff; font-size: 34px; font-weight: 800; border: 1px solid rgba(255,255,255,.25); border-radius: 24px; background: rgba(255,255,255,.14); box-shadow: 0 15px 35px rgba(0,0,0,.15); transform: translate(-50%,-50%); z-index: 3; }
.core-ring { position: absolute; inset: 50% auto auto 50%; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; transform: translate(-50%,-50%); }
.ring-one { width: 210px; height: 210px; }
.ring-two { width: 340px; height: 340px; }
.system-node { position: absolute; display: flex; align-items: center; gap: 9px; min-width: 135px; padding: 11px 13px; color: #fff; border: 1px solid rgba(255,255,255,.19); border-radius: 12px; background: rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.system-node > span { display: grid; place-items: center; width: 32px; height: 32px; flex-shrink: 0; font-weight: 700; border-radius: 9px; background: rgba(255,255,255,.14); }
.system-node div { display: flex; flex-direction: column; gap: 2px; }
.system-node strong { font-size: 12px; }.system-node small { color: rgba(255,255,255,.67); font-size: 9px; }
.node-finance { top: 35px; left: 50%; transform: translateX(-50%); }
.node-crm { left: 24px; bottom: 38px; }
.node-erp { right: 24px; bottom: 38px; }

.section { padding: 100px 0; }
.section-heading { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-heading h2, .about-content h2, .contact-copy h2 { margin: 0; font-size: clamp(30px, 4vw, 43px); line-height: 1.3; letter-spacing: -1px; }
.section-heading > p:last-child { margin: 16px auto 0; color: var(--ink-soft); line-height: 1.85; }
.product-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card { position: relative; display: flex; min-height: 450px; flex-direction: column; padding: 31px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 8px 32px rgba(21,63,75,.06); transition: transform .25s, box-shadow .25s; }
.product-card::before { content: ""; position: absolute; top: -70px; right: -70px; width: 170px; height: 170px; border-radius: 50%; opacity: .12; }
.product-card:hover { transform: translateY(-7px); box-shadow: 0 22px 48px rgba(21,63,75,.12); }
.product-finance::before { background: var(--blue); }.product-crm::before { background: var(--purple); }.product-erp::before { background: var(--accent); }
.product-icon { display: grid; place-items: center; width: 58px; height: 58px; color: #fff; font-size: 21px; font-weight: 700; border-radius: 15px; }
.product-finance .product-icon { background: linear-gradient(145deg,#5a91fb,#2f69d8); }.product-crm .product-icon { background: linear-gradient(145deg,#967be9,#6d53c4); }.product-erp .product-icon { background: linear-gradient(145deg,#4abb8d,#228b64); }
.product-tag { width: fit-content; margin: 20px 0 9px; padding: 4px 9px; color: var(--brand); font-size: 10px; border-radius: 20px; background: var(--brand-light); }
.product-card h3 { margin: 0; font-size: 23px; }.product-card > p { min-height: 78px; margin: 13px 0; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.product-card ul { display: grid; gap: 9px; margin: 4px 0 25px; padding: 0; color: #3f5661; font-size: 13px; list-style: none; }
.product-card li::before { content: "•"; margin-right: 8px; color: var(--accent); font-weight: 900; }
.product-card > a { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 18px; color: var(--brand); font-size: 13px; font-weight: 700; text-decoration: none; border-top: 1px solid var(--line); }
.product-card > a span { transition: transform .2s; }.product-card > a:hover span { transform: translate(2px,-2px); }

.services-section { color: #fff; background: var(--brand-dark); }
.services-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }
.section-heading-left { margin: 0; text-align: left; }.section-heading-left .eyebrow { color: #72d2ad; }.section-heading-left h2 { color: #fff; }.section-heading-left > p:last-of-type { color: rgba(255,255,255,.68); }
.text-link { display: inline-flex; gap: 8px; margin-top: 24px; color: #83dcba; font-size: 14px; font-weight: 600; text-decoration: none; }
.service-list { display: grid; gap: 12px; }.service-item { display: flex; gap: 20px; padding: 25px; border: 1px solid rgba(255,255,255,.11); border-radius: 15px; background: rgba(255,255,255,.06); transition: background .2s, transform .2s; }.service-item:hover { background: rgba(255,255,255,.1); transform: translateX(4px); }
.service-number { color: #72d2ad; font-size: 11px; font-weight: 800; letter-spacing: 1px; }.service-item h3 { margin: 0 0 7px; font-size: 17px; }.service-item p { margin: 0; color: rgba(255,255,255,.64); font-size: 13px; line-height: 1.7; }

.about-section { background: var(--surface); }.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 100px; }.about-visual { position: relative; min-height: 390px; }.about-card { position: absolute; border-radius: 22px; }.card-back { inset: 30px 20px 0 55px; background: linear-gradient(145deg,#79ceb0,#2d876d); transform: rotate(5deg); opacity: .35; }.card-front { inset: 0 55px 30px 20px; display: flex; flex-direction: column; justify-content: flex-end; padding: 42px; color: #fff; background: linear-gradient(145deg,#123d55,#1d6374 62%,#2f836c); box-shadow: var(--shadow); }.card-front p { margin: 0 auto auto 0; color: rgba(255,255,255,.64); font-size: 10px; letter-spacing: 2px; }.card-front strong { font-size: 28px; line-height: 1.55; }.card-front span { margin-top: 15px; color: rgba(255,255,255,.54); font-size: 9px; letter-spacing: 1px; }
.about-lead { margin: 22px 0 12px; color: #304b57; font-size: 17px; line-height: 1.9; }.about-content > p:not(.eyebrow):not(.about-lead) { color: var(--ink-soft); line-height: 1.9; }.about-facts { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin: 28px 0 0; }.about-facts div { padding: 17px 12px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.7); }.about-facts dt { color: var(--brand); font-size: 23px; font-weight: 800; }.about-facts dd { margin: 5px 0 0; color: #718791; font-size: 11px; }

.contact-section { background: #fff; }.contact-shell { display: grid; grid-template-columns: 1fr 310px; gap: 70px; padding: 52px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(135deg,#f7fbfb,#eef7f4); box-shadow: 0 18px 55px rgba(21,63,75,.08); }.contact-copy > p:not(.eyebrow) { margin: 16px 0 0; color: var(--ink-soft); }.contact-details { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 10px; margin-top: 30px; }.contact-row { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 13px; color: inherit; text-decoration: none; border: 1px solid #dbe8e7; border-radius: 11px; background: rgba(255,255,255,.72); }.contact-symbol { display: grid; place-items: center; width: 32px; height: 32px; flex-shrink: 0; color: var(--brand); border-radius: 8px; background: var(--brand-light); }.contact-row div { display: flex; min-width: 0; flex-direction: column; gap: 3px; }.contact-row small { color: #82949b; font-size: 10px; }.contact-row strong { font-size: 12px; line-height: 1.45; }
.qr-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; padding-left: 40px; text-align: center; border-left: 1px dashed #cbdedb; }.qr-button { position: relative; width: 220px; height: 390px; padding: 8px; overflow: hidden; border: 1px solid #dce8e8; border-radius: 15px; background: #fff; box-shadow: 0 10px 25px rgba(21,63,75,.1); cursor: zoom-in; }.qr-button img { display: block; width: 100%; height: 100%; object-fit: contain; }.qr-zoom { position: absolute; inset: 8px; display: grid; place-items: center; color: #fff; font-size: 13px; font-weight: 700; border-radius: 8px; background: rgba(16,39,52,.62); opacity: 0; transition: opacity .2s; }.qr-button:hover .qr-zoom { opacity: 1; }.qr-panel > strong { margin-top: 13px; }.qr-panel > p { margin: 5px 0 0; color: #7c9199; font-size: 12px; }

.system-cta { padding: 55px 0; color: #fff; background: linear-gradient(110deg,var(--brand-dark),var(--brand)); }.system-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; }.system-cta p { margin: 0 0 6px; color: rgba(255,255,255,.66); font-size: 12px; }.system-cta h2 { margin: 0; font-size: 26px; }.system-cta-links { display: flex; flex-wrap: wrap; gap: 9px; }.system-cta-links a { padding: 11px 15px; color: #fff; font-size: 12px; font-weight: 600; text-decoration: none; border: 1px solid rgba(255,255,255,.22); border-radius: 8px; background: rgba(255,255,255,.08); transition: background .2s; }.system-cta-links a:hover { background: rgba(255,255,255,.18); }

.site-footer { padding: 60px 0 24px; color: rgba(255,255,255,.65); background: #0c2735; }.footer-grid { display: grid; grid-template-columns: 1.8fr repeat(3,1fr); gap: 55px; }.footer-brand { color: #fff; }.footer-grid > div:first-child > p { max-width: 320px; margin: 18px 0 0; font-size: 12px; line-height: 1.8; }.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; font-size: 12px; }.footer-links strong { margin-bottom: 5px; color: #fff; font-size: 13px; }.footer-links a { text-decoration: none; }.footer-links a:hover { color: #fff; }.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 44px; padding-top: 20px; font-size: 11px; border-top: 1px solid rgba(255,255,255,.09); }.filing-placeholder { color: rgba(255,255,255,.35); }

.qr-modal { position: fixed; inset: 0; z-index: 2000; display: grid; place-items: center; padding: 20px; background: rgba(4,18,25,.84); backdrop-filter: blur(8px); }.qr-modal[hidden] { display: none; }.qr-modal-close { position: absolute; top: 25px; right: 30px; width: 44px; height: 44px; color: #fff; font-size: 30px; border: 0; background: transparent; cursor: pointer; }.qr-modal-content { display: flex; flex-direction: column; align-items: center; width: min(470px,100%); max-height: calc(100vh - 40px); padding: 22px; text-align: center; overflow: auto; border-radius: 20px; background: #fff; }.qr-modal-content img { display: block; width: auto; max-width: 100%; height: auto; max-height: 70vh; object-fit: contain; }.qr-modal-content strong { margin-top: 15px; font-size: 17px; }.qr-modal-content span { margin-top: 5px; color: #78909a; font-size: 12px; }
.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 900; display: grid; place-items: center; width: 42px; height: 42px; color: #fff; font-size: 18px; border: 0; border-radius: 50%; background: var(--brand); box-shadow: 0 8px 20px rgba(18,61,85,.22); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .2s, transform .2s; }.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1020px) {
  .site-nav { gap: 18px; }.hero-grid { gap: 35px; }.product-cards { grid-template-columns: 1fr; }.product-card { min-height: auto; }.product-card > p { min-height: auto; }.services-grid, .about-grid { gap: 50px; }.contact-shell { grid-template-columns: 1fr 250px; gap: 35px; padding: 38px; }.contact-details { grid-template-columns: 1fr; }.footer-grid { grid-template-columns: 1.5fr repeat(3,1fr); gap: 25px; }
}
@media (max-width: 820px) {
  .site-header { height: 66px; }.header-inner { gap: 12px; }.menu-toggle { display: block; }.header-entry { display: none; }.site-nav { position: fixed; top: 66px; left: 20px; right: 20px; display: grid; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity .2s, transform .2s, visibility .2s; }.site-nav.is-open { opacity: 1; visibility: visible; transform: none; }.site-nav a { padding: 12px; border-radius: 7px; }.site-nav a::after { display: none; }.site-nav a:hover { background: var(--surface); }.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }.menu-toggle.is-open span:nth-child(2) { opacity: 0; }.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: auto; padding: 125px 0 75px; }.hero-grid { grid-template-columns: 1fr; }.hero-visual { max-width: 600px; width: 100%; margin: 0 auto; }.services-grid, .about-grid { grid-template-columns: 1fr; }.section-heading-left { max-width: none; }.about-visual { min-height: 350px; order: 2; }.contact-shell { grid-template-columns: 1fr; }.qr-panel { padding: 30px 0 0; border-top: 1px dashed #cbdedb; border-left: 0; }.system-cta-inner { align-items: flex-start; flex-direction: column; }.footer-grid { grid-template-columns: 1fr 1fr; }.footer-grid > div:first-child { grid-column: 1/-1; }
}
@media (max-width: 560px) {
  .container { width: min(var(--container), calc(100% - 28px)); }.brand-copy small { display: none; }.hero h1 { font-size: 39px; }.hero-summary { font-size: 16px; }.hero-features { gap: 12px; }.visual-panel { min-height: 380px; padding: 11px; }.visual-core { min-height: 330px; }.ring-two { width: 280px; height: 280px; }.system-node { min-width: 112px; padding: 9px; }.system-node > span { width: 27px; height: 27px; }.node-crm { left: 10px; }.node-erp { right: 10px; }.section { padding: 75px 0; }.product-card { padding: 24px; }.service-item { padding: 20px; }.about-visual { min-height: 300px; }.card-front { inset: 0 25px 22px 8px; padding: 28px; }.card-back { inset: 24px 8px 0 30px; }.card-front strong { font-size: 23px; }.about-facts { grid-template-columns: 1fr; }.contact-shell { padding: 26px 20px; }.qr-button { width: 210px; height: 370px; }.system-cta h2 { font-size: 22px; }.system-cta-links { width: 100%; }.system-cta-links a { flex: 1; text-align: center; }.footer-grid { grid-template-columns: 1fr; }.footer-grid > div:first-child { grid-column: auto; }.footer-bottom { align-items: flex-start; flex-direction: column; }.qr-modal-content img { width: min(290px,100%); height: auto; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *,*::before,*::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }.reveal { opacity: 1; transform: none; } }
