:root {
  --ink: #183650;
  --deep: #245f8b;
  --green: #4a9bd3;
  --mint: #def1fc;
  --cream: #eef7fd;
  --line: #d7e7f2;
  --muted: #647f92;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fbfdff;
  font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.site-header {
  height: 82px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--deep); color: white; font-size: 14px; font-weight: 800; letter-spacing: -.5px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.14);
}
.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { font-size: 14px; letter-spacing: .02em; }
.brand-copy small { font-size: 9px; color: #7890a2; letter-spacing: .13em; text-transform: uppercase; }
.desktop-nav { display: flex; gap: 38px; margin-left: 10%; }
.desktop-nav a { color: #526d82; font-size: 14px; transition: color .2s; }
.desktop-nav a:hover { color: var(--green); }
.login-link {
  font-size: 13px; font-weight: 650; color: var(--deep); padding: 11px 16px;
  border: 1px solid #c9dfed; border-radius: 10px; transition: all .2s;
}
.login-link:hover { color: white; background: var(--deep); border-color: var(--deep); }

.hero {
  min-height: 720px; max-width: 1440px; margin: 0 auto; padding: 84px 6.5% 96px;
  display: grid; grid-template-columns: .88fr 1.12fr; gap: 70px; align-items: center;
  position: relative; overflow: hidden;
}
.hero-glow {
  position: absolute; width: 550px; height: 550px; border-radius: 50%;
  background: rgba(189, 226, 248, .68); filter: blur(95px); right: -100px; top: 20px; z-index: -1;
}
.eyebrow, .kicker {
  font-size: 12px; font-weight: 700; letter-spacing: .15em; color: var(--green); text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 25px; }
.eyebrow span { width: 26px; height: 1px; background: var(--green); }
.hero h1 {
  margin: 0; font-family: "Songti SC", "STSong", serif; font-size: clamp(48px, 5vw, 76px);
  font-weight: 600; line-height: 1.13; letter-spacing: -.045em;
}
.hero h1 em { color: var(--green); font-style: normal; }
.hero-copy > p {
  max-width: 580px; font-size: 17px; line-height: 1.9; color: var(--muted); margin: 28px 0 34px;
}
.hero-actions { display: flex; align-items: center; gap: 28px; }
.primary-button {
  display: inline-flex; align-items: center; gap: 30px; background: var(--deep); color: white;
  padding: 16px 20px 16px 24px; border-radius: 11px; font-size: 14px; font-weight: 650;
  box-shadow: 0 12px 30px rgba(36,95,139,.18); transition: transform .2s, background .2s;
}
.primary-button:hover { transform: translateY(-2px); background: var(--green); }
.primary-button span { font-size: 18px; }
.text-button { font-size: 14px; font-weight: 600; color: #3c5e77; }
.text-button span { margin-left: 8px; color: var(--green); }
.hero-proof { display: flex; align-items: center; gap: 24px; margin-top: 58px; }
.hero-proof div { display: flex; flex-direction: column; gap: 4px; }
.hero-proof strong { font-family: "Songti SC", serif; font-size: 21px; }
.hero-proof span { color: #7e96a8; font-size: 11px; }
.hero-proof i { width: 1px; height: 28px; background: #d6e6f0; }

.product-visual {
  background: #fff; border: 1px solid rgba(55, 128, 178, .14); border-radius: 22px;
  box-shadow: 0 38px 85px rgba(50,114,158,.16); position: relative; overflow: visible;
  transform: perspective(1100px) rotateY(-2deg) rotateX(1deg);
}
.visual-topbar {
  height: 58px; padding: 0 18px; border-bottom: 1px solid #edf1ee; display: flex; align-items: center;
  justify-content: space-between; background: rgba(255,255,255,.94); border-radius: 22px 22px 0 0;
}
.mini-brand { display: flex; align-items: center; gap: 10px; }
.mini-brand b { background: var(--deep); color: white; padding: 6px; border-radius: 6px; font-size: 9px; }
.mini-brand span { font-size: 11px; font-weight: 700; }
.visual-status { font-size: 9px; color: #71899b; display: flex; gap: 6px; align-items: center; }
.visual-status span { width: 6px; height: 6px; border-radius: 50%; background: #59a9dd; box-shadow: 0 0 0 3px #e4f4fd; }
.visual-body { height: 465px; display: flex; }
.visual-sidebar {
  width: 57px; background: #f5faff; border-right: 1px solid #e8f1f7; display: flex;
  flex-direction: column; align-items: center; padding-top: 25px; gap: 25px; color: #91a9ba;
}
.visual-sidebar span { width: 30px; height: 30px; display: grid; place-items: center; font-size: 15px; border-radius: 8px; }
.visual-sidebar .active { background: var(--deep); color: white; }
.visual-content { padding: 25px 25px 20px; flex: 1; min-width: 0; background: #fbfdff; border-radius: 0 0 22px; }
.visual-heading { display: flex; justify-content: space-between; align-items: flex-end; }
.visual-heading div { display: flex; flex-direction: column; gap: 5px; }
.visual-heading small { font-size: 9px; color: #95a39d; }
.visual-heading strong { font-size: 16px; }
.visual-heading > span { font-size: 8px; background: #edf6fc; color: #6d8799; padding: 6px 8px; border-radius: 6px; }
.stat-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 18px 0 12px; }
.stat-grid > div { background: white; border: 1px solid #edf1ef; border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 5px; }
.stat-grid small { color: #7f8c87; font-size: 8px; }
.stat-grid strong { font-size: 19px; font-weight: 650; }
.stat-grid span { font-size: 7px; color: #70847b; }
.stat-grid .up { color: #3e91ca; }
.stat-grid .warn { color: #c88231; }
.chart-card { background: white; border: 1px solid #edf1ef; border-radius: 10px; padding: 14px 16px 10px; }
.chart-title { display: flex; justify-content: space-between; font-size: 9px; }
.chart-title span { color: #8a9892; font-size: 8px; }
.chart { height: 105px; display: flex; align-items: end; gap: 7%; padding: 14px 8px 0; border-bottom: 1px solid #e9eeeb; }
.chart > span { width: 8%; min-width: 10px; background: #cde8f8; border-radius: 4px 4px 0 0; }
.chart .latest { background: var(--green); position: relative; }
.chart .latest:after { content: "1,024"; position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font-size: 7px; color: var(--green); font-weight: 700; }
.chart-labels { display: flex; justify-content: space-between; color: #9aa6a1; font-size: 7px; padding-top: 7px; }
.order-line { display: flex; align-items: center; gap: 10px; margin-top: 12px; background: white; border: 1px solid #edf1ef; border-radius: 10px; padding: 10px 12px; }
.order-icon { width: 25px; height: 25px; border-radius: 7px; display: grid; place-items: center; color: #3b8fc8; background: #e1f2fc; font-size: 10px; }
.order-line > div:nth-child(2) { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.order-line strong { font-size: 8px; }.order-line span { font-size: 7px; color: #89958f; }
.order-line b { color: #3b8fc8; font-size: 7px; padding: 5px 7px; background: #edf7fd; border-radius: 5px; }
.floating-note {
  position: absolute; right: -25px; bottom: 30px; display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: white; border: 1px solid #e2eae5; border-radius: 11px;
  box-shadow: 0 15px 35px rgba(43,105,148,.18);
}
.floating-note > span { width: 28px; height: 28px; border-radius: 50%; background: #e0f1fb; color: var(--green); display: grid; place-items: center; font-size: 11px; }
.floating-note div { display: flex; flex-direction: column; gap: 3px; }
.floating-note strong { font-size: 9px; }.floating-note small { color: #819088; font-size: 7px; }

.platform-strip {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 27px 7%;
  display: flex; align-items: center; justify-content: center; gap: 7%;
}
.platform-strip p { color: #93a099; font-size: 11px; white-space: nowrap; }
.platform-strip div { width: min(760px, 70%); display: flex; justify-content: space-between; align-items: center; }
.platform-strip span { color: #64756d; font-size: 13px; font-weight: 750; letter-spacing: -.02em; }

.section { max-width: 1260px; margin: 0 auto; padding: 120px 32px; }
.section-intro { display: flex; justify-content: space-between; align-items: end; margin-bottom: 55px; }
.section-intro h2, .about h2 {
  font-family: "Songti SC", "STSong", serif; font-size: clamp(38px, 4vw, 56px);
  line-height: 1.25; letter-spacing: -.035em; margin: 16px 0 0;
}
.section-intro > p { color: var(--muted); line-height: 1.8; font-size: 15px; max-width: 410px; margin: 0 0 7px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { min-height: 330px; padding: 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; transition: background .25s; }
.feature-card:hover { background: #f1f8fc; }
.feature-no { position: absolute; top: 24px; right: 27px; font-family: Georgia, serif; color: #a9b7b0; font-size: 12px; }
.feature-icon { width: 48px; height: 48px; border-radius: 14px; background: var(--mint); color: var(--green); display: grid; place-items: center; font-size: 20px; margin-bottom: 36px; }
.feature-card h3 { font-size: 22px; margin: 0 0 15px; }
.feature-card p { max-width: 440px; color: var(--muted); line-height: 1.8; font-size: 14px; margin: 0; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.feature-tags span { color: #617d91; border: 1px solid #d5e7f2; border-radius: 20px; padding: 6px 10px; font-size: 10px; }

.workflow { background: var(--deep); color: white; }
.workflow-inner { max-width: 1260px; margin: 0 auto; padding: 110px 32px; display: grid; grid-template-columns: 1fr 1.15fr; gap: 12%; align-items: center; }
.kicker.light { color: #a7d9f5; }
.workflow-copy h2, .cta h2 {
  font-family: "Songti SC", "STSong", serif; font-size: clamp(42px, 4vw, 58px);
  line-height: 1.22; margin: 18px 0 23px; letter-spacing: -.035em; font-weight: 600;
}
.workflow-copy p { color: #b4d0e2; line-height: 1.9; max-width: 440px; font-size: 14px; }
.workflow-copy a { display: inline-flex; gap: 30px; align-items: center; border-bottom: 1px solid #78a5c5; padding: 12px 0; margin-top: 22px; color: #e4f4fd; font-size: 13px; }
.steps { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(255,255,255,.16); }
.steps li { display: flex; align-items: center; padding: 25px 5px; border-bottom: 1px solid rgba(255,255,255,.16); }
.steps b { color: #8dcaed; font-family: Georgia, serif; font-size: 11px; width: 60px; }
.steps div { display: flex; align-items: center; justify-content: space-between; flex: 1; }
.steps strong { font-size: 18px; }.steps span { color: #a2c1d5; font-size: 12px; }

.about-card { background: var(--cream); padding: 72px; display: grid; grid-template-columns: .6fr 1.5fr .85fr; gap: 60px; align-items: start; border-radius: 3px; }
.about-mark { font-family: Georgia, serif; font-size: 76px; line-height: 1; color: var(--green); border-top: 2px solid var(--green); padding-top: 16px; }
.about h2 { font-size: 42px; }
.about-copy p { color: var(--muted); font-size: 14px; line-height: 2; max-width: 600px; }
.about-points { display: flex; flex-direction: column; border-top: 1px solid #cfe1ed; }
.about-points span { padding: 17px 0; border-bottom: 1px solid #cfe1ed; font-size: 13px; display: flex; align-items: center; gap: 15px; }
.about-points i { color: #7e9aae; font-size: 9px; font-style: normal; }

.cta { text-align: center; padding: 105px 30px 115px; background: #edf7fd; position: relative; overflow: hidden; }
.cta:before, .cta:after { content: ""; position: absolute; width: 360px; height: 360px; border: 1px solid #d0e8f7; border-radius: 50%; top: -180px; }
.cta:before { left: -80px; }.cta:after { right: -80px; }
.cta .kicker { color: var(--green); }
.cta h2 { color: var(--deep); font-size: clamp(40px, 4vw, 56px); margin-bottom: 12px; }
.cta p { color: var(--muted); font-size: 14px; }
.cta a { display: inline-flex; gap: 38px; align-items: center; margin-top: 23px; background: var(--deep); color: white; padding: 16px 21px 16px 24px; border-radius: 10px; font-size: 13px; position: relative; z-index: 1; }

footer { max-width: 1260px; margin: 0 auto; padding: 62px 32px 30px; }
.footer-main { display: flex; align-items: center; padding-bottom: 45px; }
.footer-main > p { color: #7d8d85; font-size: 12px; margin: 0 auto 0 7%; }
.footer-login { color: var(--green); font-size: 12px; font-weight: 650; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 23px; display: flex; gap: 28px; color: #98a49f; font-size: 10px; }
.footer-bottom a { margin-left: auto; transition: color .2s; }.footer-bottom a:hover { color: var(--green); }

@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; padding-top: 55px; }
  .hero-copy { text-align: center; }
  .eyebrow, .hero-actions, .hero-proof { justify-content: center; }
  .hero-copy > p { margin-left: auto; margin-right: auto; }
  .product-visual { max-width: 680px; width: 92%; margin: 20px auto 0; transform: none; }
  .desktop-nav { display: none; }
  .section-intro { align-items: start; gap: 50px; }
  .workflow-inner { gap: 7%; }
  .about-card { grid-template-columns: .45fr 1.55fr; }.about-points { grid-column: 2; }
}

@media (max-width: 700px) {
  .site-header { height: 72px; padding: 0 18px; }
  .brand-copy small { display: none; }
  .login-link { padding: 10px 12px; font-size: 12px; }
  .hero { min-height: auto; padding: 60px 20px 75px; gap: 45px; }
  .hero h1 { font-size: 44px; }
  .hero-copy > p { font-size: 15px; line-height: 1.8; }
  .hero-actions { flex-direction: column; gap: 20px; }
  .hero-proof { gap: 15px; margin-top: 42px; }.hero-proof i { height: 24px; }
  .product-visual { width: 100%; }
  .visual-body { height: 390px; }
  .visual-sidebar { display: none; }
  .visual-content { padding: 18px 14px; }
  .stat-grid > div { padding: 9px; }.stat-grid strong { font-size: 15px; }
  .chart { height: 85px; }
  .floating-note { right: 10px; bottom: -20px; }
  .platform-strip { flex-direction: column; gap: 15px; padding: 24px 20px; }
  .platform-strip div { width: 100%; flex-wrap: wrap; justify-content: center; gap: 20px 30px; }
  .section { padding: 82px 20px; }
  .section-intro { display: block; margin-bottom: 38px; }.section-intro > p { margin-top: 25px; }
  .feature-grid { grid-template-columns: 1fr; }.feature-card { min-height: 300px; padding: 30px; }
  .workflow-inner { padding: 82px 20px; grid-template-columns: 1fr; gap: 60px; }
  .steps div { align-items: flex-start; flex-direction: column; gap: 7px; }
  .about-card { padding: 40px 28px; grid-template-columns: 1fr; gap: 32px; }
  .about-mark { font-size: 52px; }.about-points { grid-column: auto; }
  .cta { padding: 80px 20px; }
  footer { padding: 50px 20px 25px; }
  .footer-main { align-items: flex-start; flex-direction: column; gap: 22px; }
  .footer-main > p { margin: 0; line-height: 1.7; }
  .footer-bottom { flex-direction: column; gap: 10px; }.footer-bottom a { margin-left: 0; }
}

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