:root {
  --navy: #071a3a;
  --blue: #1859e8;
  --cyan: #25b8e8;
  --ink: #15233d;
  --muted: #65728a;
  --line: #e4eaf3;
  --soft: #f5f8fc;
  --white: #fff;
  --shadow: 0 18px 50px rgba(22, 53, 103, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
p { margin: 0; line-height: 1.8; }
h1, h2, h3 { margin: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(228, 234, 243, .9);
  backdrop-filter: blur(14px);
}
.nav-wrap {
  width: min(1180px, calc(100% - 40px));
  height: 76px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 750; color: #102955; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(145deg, var(--blue), var(--cyan));
  box-shadow: 0 8px 20px rgba(24, 89, 232, .25);
}
.main-nav { display: flex; gap: 7px; align-items: center; }
.main-nav a {
  padding: 27px 16px 24px;
  border-bottom: 3px solid transparent;
  color: #42506a;
  font-size: 15px;
  transition: .2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--blue); border-color: var(--blue); }

.hero {
  min-height: 650px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #061b42 0%, #0a3376 55%, #0c5792 100%);
  display: flex;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to right, #000, transparent 78%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  margin: auto;
  color: #fff;
  padding-right: 48%;
}
.eyebrow, .section-kicker { display: inline-block; color: #4fcaf3; font-size: 13px; font-weight: 750; letter-spacing: 2.5px; }
.hero h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.18; margin: 22px 0 20px; letter-spacing: 1px; }
.hero-content > p { font-size: 21px; color: rgba(255, 255, 255, .75); }
.hero-actions { display: flex; gap: 14px; margin-top: 38px; }
.button {
  min-height: 46px;
  padding: 0 24px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 650;
  font-size: 15px;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: linear-gradient(135deg, #2876ff, #20b8e9); box-shadow: 0 12px 28px rgba(32, 184, 233, .22); }
.button-ghost { border: 1px solid rgba(255, 255, 255, .35); color: #fff; background: rgba(255, 255, 255, .08); }
.trust-row { display: flex; gap: 0; margin-top: 52px; color: rgba(255, 255, 255, .7); font-size: 13px; }
.trust-row span { display: flex; align-items: center; }
.trust-row span::before {
  content: "✓";
  width: 19px;
  height: 19px;
  margin-right: 7px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #7ce1ff;
  background: rgba(124, 225, 255, .12);
}
.trust-row span + span { margin-left: 24px; }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(5px); }
.hero-glow-one { width: 470px; height: 470px; right: 8%; top: 80px; background: rgba(31, 176, 231, .14); }
.hero-glow-two { width: 230px; height: 230px; right: 29%; bottom: -70px; background: rgba(91, 100, 255, .2); }
.hero-card { position: absolute; z-index: 2; right: max(8%, calc((100% - 1180px) / 2)); top: 50%; width: 440px; height: 440px; transform: translateY(-48%); }
.hero-orbit {
  position: absolute;
  left: 90px;
  top: 66px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(118, 218, 255, .28);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 0 80px rgba(29, 192, 240, .10) inset;
}
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; border: 1px solid rgba(118, 218, 255, .15); border-radius: 50%; }
.hero-orbit::before { width: 215px; height: 215px; }
.hero-orbit::after { width: 340px; height: 340px; }
.shield {
  position: relative;
  z-index: 2;
  width: 130px;
  height: 150px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 42px;
  font-weight: 800;
  background: linear-gradient(145deg, rgba(62, 132, 255, .95), rgba(31, 197, 225, .95));
  clip-path: polygon(50% 0, 92% 18%, 87% 72%, 50% 100%, 13% 72%, 8% 18%);
  filter: drop-shadow(0 22px 30px rgba(0, 11, 49, .35));
}
.mini-card {
  position: absolute;
  z-index: 4;
  width: 168px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 15px;
  background: rgba(9, 42, 93, .64);
  color: #fff;
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px rgba(2, 12, 41, .25);
}
.mini-card i { display: block; width: 28px; height: 6px; border-radius: 9px; background: #39c9ed; margin-bottom: 15px; }
.mini-card b, .mini-card span { display: block; }
.mini-card b { font-size: 15px; }
.mini-card span { font-size: 11px; color: rgba(255, 255, 255, .55); margin-top: 5px; }
.mini-card-a { left: 0; top: 52px; }
.mini-card-b { right: 0; bottom: 50px; }

.section { padding: 100px 20px; }
.section-soft { background: var(--soft); }
.section-heading { text-align: center; margin-bottom: 52px; }
.section-heading h2 { font-size: 36px; margin: 12px 0 10px; }
.section-heading p { color: var(--muted); font-size: 17px; }
.about-grid, .service-grid, .contact-panel, .footer-main, .footer-bottom { width: min(1180px, 100%); margin: auto; }
.about-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 78px; align-items: center; }
.about-copy { padding: 12px 0; }
.about-copy h3 { font-size: 27px; margin-bottom: 24px; }
.about-copy p { color: var(--muted); margin-bottom: 16px; text-align: justify; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--blue); font-weight: 700; margin-top: 12px; }
.text-link span { font-size: 22px; }
.principles { display: grid; gap: 14px; }
.principles article { padding: 24px 26px; border: 1px solid var(--line); border-radius: 14px; display: flex; gap: 22px; background: #fff; box-shadow: 0 9px 28px rgba(22, 53, 103, .04); }
.principles article > span { color: #a5b8d9; font-size: 13px; font-weight: 800; letter-spacing: 1px; }
.principles h3 { font-size: 18px; margin-bottom: 6px; }
.principles p { color: var(--muted); font-size: 14px; }

.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.service-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow); transition: transform .25s; }
.service-card:hover { transform: translateY(-5px); }
.service-image { height: 196px; position: relative; overflow: hidden; background-position: center; background-size: cover; }
.service-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(4, 22, 63, .78), rgba(5, 68, 121, .18)); }
.service-image::before { content: ""; position: absolute; inset: 0; opacity: .55; }
.solution-image { background: linear-gradient(135deg, #08224d, #126ca0 58%, #24b9d8); }
.solution-image::before { background-image: linear-gradient(90deg, transparent 49%, rgba(164, 236, 255, .42) 50%, transparent 51%), linear-gradient(0deg, transparent 49%, rgba(164, 236, 255, .42) 50%, transparent 51%); background-size: 34px 34px; transform: perspective(240px) rotateX(48deg) scale(1.5); transform-origin: center bottom; }
.data-image { background: linear-gradient(135deg, #10285d, #1b6bb0 54%, #2ec4d3); }
.data-image::before { background: repeating-linear-gradient(115deg, transparent 0 19px, rgba(183, 244, 255, .25) 20px 21px, transparent 22px 39px); transform: skewX(-18deg) scale(1.4); }
.service-image span { position: absolute; z-index: 2; left: 30px; bottom: 27px; color: #fff; font-size: 22px; font-weight: 750; letter-spacing: 2px; }
.service-body { position: relative; padding: 34px 34px 36px; }
.service-icon { position: absolute; right: 32px; top: -30px; width: 60px; height: 60px; display: grid; place-items: center; border: 5px solid #fff; border-radius: 18px; color: #fff; font-weight: 800; font-size: 22px; background: linear-gradient(145deg, var(--blue), var(--cyan)); box-shadow: 0 8px 25px rgba(24, 89, 232, .25); }
.service-body h3 { font-size: 25px; margin-bottom: 15px; }
.service-body p { color: var(--muted); font-size: 15px; min-height: 108px; }
.service-body ul { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 22px 0 28px; list-style: none; }
.service-body li { padding: 7px 12px; border-radius: 6px; color: #41618d; background: #edf4ff; font-size: 13px; }
.button-outline { border: 1px solid #b9c9e4; color: var(--blue); background: #fff; }
.button-outline:hover { background: #f1f6ff; box-shadow: 0 8px 20px rgba(24, 89, 232, .1); }
.service-note { width: min(1180px, 100%); margin: 32px auto 0; padding: 22px 26px; border-left: 4px solid var(--blue); border-radius: 0 12px 12px 0; background: #f2f7ff; display: flex; gap: 20px; }
.service-note strong { flex: 0 0 auto; color: #234eaa; }
.service-note p { color: #526987; font-size: 14px; line-height: 1.75; }

.contact-panel { padding: 54px 60px; border-radius: 24px; color: #fff; background: linear-gradient(120deg, #071c41, #0b4d85); display: grid; grid-template-columns: .72fr 1.28fr; gap: 60px; box-shadow: 0 28px 70px rgba(7, 33, 76, .22); }
.section-kicker.light { color: #5bd2f4; }
.contact-panel h2 { font-size: 36px; margin: 12px 0 18px; }
.contact-panel > div > p { color: rgba(255, 255, 255, .7); }
.contact-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-list > a, .contact-list > div { padding: 19px 20px; border: 1px solid rgba(255, 255, 255, .13); border-radius: 11px; background: rgba(255, 255, 255, .06); }
.contact-list span, .contact-list strong { display: block; }
.contact-list span { font-size: 12px; color: rgba(255, 255, 255, .55); margin-bottom: 6px; }
.contact-list strong { font-size: 14px; line-height: 1.55; }
.contact-list .contact-address { grid-column: 1 / -1; }

.site-footer { padding: 54px 20px 28px; background: #06142e; color: #fff; }
.footer-main { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 34px; }
.footer-main h2 { font-size: 21px; margin-bottom: 9px; }
.footer-main p { font-size: 13px; color: rgba(255, 255, 255, .5); }
.footer-links { display: flex; gap: 26px; font-size: 13px; color: rgba(255, 255, 255, .7); }
.footer-links a:hover { color: #fff; }
.footer-records { width: min(1180px, 100%); margin: 0 auto; padding: 20px 0; border-top: 1px solid rgba(255, 255, 255, .09); display: flex; flex-wrap: wrap; gap: 8px 22px; color: rgba(255, 255, 255, .55); font-size: 12px; }
.footer-records a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .09); padding-top: 24px; display: flex; justify-content: space-between; color: rgba(255, 255, 255, .4); font-size: 12px; }

.page-hero { padding: 82px 20px 76px; color: #fff; text-align: center; background: linear-gradient(125deg, #071c41, #0b4f88); }
.page-hero .section-kicker { color: #60d9f8; }
.page-hero h1 { font-size: 42px; margin: 14px 0; }
.page-hero p { color: rgba(255, 255, 255, .7); }
.breadcrumb { margin-bottom: 32px; font-size: 13px; color: rgba(255, 255, 255, .55); }
.breadcrumb a { color: #fff; }
.content-page { width: min(920px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0 100px; }
.content-card { padding: 52px 60px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.content-card h2 { font-size: 25px; margin: 38px 0 15px; }
.content-card h2:first-child { margin-top: 0; }
.content-card h3 { font-size: 18px; margin: 26px 0 12px; }
.content-card p, .content-card li { color: #55637a; line-height: 1.9; font-size: 15px; }
.content-card ul, .content-card ol { padding-left: 22px; }
.content-card li + li { margin-top: 8px; }
.info-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.info-table th, .info-table td { padding: 15px; border: 1px solid var(--line); text-align: left; vertical-align: top; line-height: 1.7; font-size: 14px; }
.info-table th { width: 24%; background: #f6f8fc; color: #34445f; }
.legal-meta { padding: 16px 20px; margin-bottom: 28px; border-radius: 10px; background: #f3f7fd; color: #53627b; font-size: 14px; line-height: 1.8; }
.callout { margin: 28px 0; padding: 20px 22px; border-left: 4px solid var(--blue); background: #f2f7ff; color: #4c5f7e; font-size: 14px; line-height: 1.8; }
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin: 28px 0; }
.feature-list article { padding: 24px; border: 1px solid var(--line); border-radius: 12px; }
.feature-list span { display: grid; place-items: center; width: 38px; height: 38px; margin-bottom: 18px; border-radius: 10px; background: #eaf2ff; color: var(--blue); font-weight: 800; }
.feature-list h3 { margin: 0 0 8px; font-size: 17px; }
.feature-list p { font-size: 13px; }
.back-home { margin-top: 32px; text-align: center; }

.core-product { padding-top: 94px; background: linear-gradient(180deg, #f6f9fd 0%, #fff 100%); }
.product-spotlight { width: min(1180px, 100%); margin: auto; padding: 42px 48px; border: 1px solid #dce7f6; border-radius: 22px; background: linear-gradient(125deg, #081e46, #0b5591); color: #fff; display: grid; grid-template-columns: .72fr 1.28fr; gap: 56px; align-items: center; box-shadow: 0 24px 60px rgba(9, 45, 93, .18); }
.product-brand { display: flex; align-items: center; gap: 22px; }
.product-logo { width: 92px; height: 92px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 22px; color: #fff; font-size: 22px; font-weight: 800; letter-spacing: 2px; background: linear-gradient(145deg, #4e82ff, #1ec4dc); box-shadow: 0 15px 35px rgba(0, 0, 0, .22); }
.product-brand span { font-size: 12px; color: #6fddfb; letter-spacing: 1.5px; }
.product-brand h3 { font-size: 38px; margin: 7px 0 2px; }
.product-brand p { color: rgba(255, 255, 255, .48); font-size: 12px; letter-spacing: 5px; }
.product-intro { padding-left: 50px; border-left: 1px solid rgba(255, 255, 255, .15); }
.product-intro h3 { font-size: 23px; margin-bottom: 14px; }
.product-intro > p { color: rgba(255, 255, 255, .7); font-size: 15px; }
.product-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.product-tags span { padding: 7px 11px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 6px; background: rgba(255, 255, 255, .06); font-size: 12px; color: rgba(255, 255, 255, .8); }
.data-panel { width: min(1180px, 100%); margin: 24px auto 0; padding: 30px 36px; border: 1px solid #cfe4f3; border-radius: 18px; background: #f3fbff; }
.data-title { display: flex; align-items: center; gap: 15px; margin-bottom: 21px; }
.data-title > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: #169bd1; color: #fff; font-size: 25px; font-weight: 800; }
.data-title h3 { font-size: 20px; margin-bottom: 3px; color: #174d73; }
.data-title p { font-size: 13px; color: #4e7894; }
.data-list { margin: 0; padding-left: 24px; display: grid; gap: 9px; }
.data-list li { padding-left: 4px; color: #46677e; line-height: 1.75; font-size: 14px; }

.privacy-hero { padding-bottom: 70px; }
.privacy-page { padding-top: 56px; }
.privacy-card { max-width: 920px; }
.privacy-card > p { margin-bottom: 14px; text-align: justify; }
.privacy-card h2 { padding-top: 8px; border-top: 1px solid #edf1f7; }
.privacy-card h2:first-of-type { padding-top: 0; border-top: 0; }
.privacy-emphasis { margin: 18px 0; padding: 18px 20px; border-left: 4px solid #169bd1; border-radius: 0 9px 9px 0; background: #effaff; color: #385d74; font-size: 15px; line-height: 1.9; }
.privacy-emphasis strong { text-decoration: underline; }
.legal-list { margin: 12px 0 22px; padding-left: 24px; }
.legal-list > li { margin-bottom: 11px; color: #55637a; line-height: 1.9; font-size: 15px; }
.legal-list ul { margin-top: 8px; }
.privacy-table a { color: var(--blue); }
.privacy-card .legal-meta { border-left: 4px solid var(--blue); }

.agreement-hero { padding-bottom: 70px; }
.agreement-page { padding-top: 56px; }
.agreement-card { max-width: 920px; }
.agreement-card > p { margin-bottom: 14px; text-align: justify; }
.agreement-card h2 { padding-top: 8px; border-top: 1px solid #edf1f7; }
.agreement-card h2:first-of-type { padding-top: 0; border-top: 0; }
.agreement-card a { color: var(--blue); }
.agreement-notice { margin-bottom: 32px; padding: 22px 24px; border-left: 4px solid var(--blue); border-radius: 0 10px 10px 0; background: #f3f7fd; color: #4c5d77; font-size: 15px; line-height: 1.95; text-align: justify; }
.clause-note { margin: 12px 0 0; padding: 12px 15px; border-radius: 8px; background: #effaff; color: #42647a; }
.service-clauses > li > strong { display: block; margin-bottom: 6px; color: #253956; }
.service-clauses > li > p { margin: 0; }
.agreement-contact { margin-top: 36px; padding: 22px 24px; border-radius: 12px; background: #f3f7fd; color: #4d5d76; font-size: 14px; line-height: 2; }
.agreement-contact a { font-weight: 650; }

@media (max-width: 900px) {
  .main-nav { gap: 0; }
  .main-nav a { padding-left: 9px; padding-right: 9px; font-size: 13px; }
  .hero { min-height: 620px; }
  .hero-content { padding-right: 0; }
  .hero-content > * { max-width: 620px; }
  .hero-card { opacity: .14; right: -160px; }
  .about-grid, .contact-panel { grid-template-columns: 1fr; gap: 38px; }
  .service-body p { min-height: 135px; }
  .contact-list { grid-template-columns: 1fr 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .footer-main { gap: 30px; }
  .footer-links { flex-wrap: wrap; justify-content: flex-end; }
  .product-spotlight { grid-template-columns: 1fr; gap: 30px; }
  .product-intro { padding: 28px 0 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, .15); }
  .contact-panel { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 640px) {
  .nav-wrap { height: auto; min-height: 66px; width: calc(100% - 28px); flex-wrap: wrap; padding: 12px 0; }
  .brand { font-size: 17px; }
  .brand-mark { width: 34px; height: 34px; }
  .main-nav { width: 100%; overflow-x: auto; margin-top: 8px; padding-bottom: 1px; }
  .main-nav a { white-space: nowrap; padding: 10px 12px 9px; }
  .main-nav a:first-child { padding-left: 0; }
  .hero { min-height: 650px; }
  .hero-content { width: calc(100% - 36px); }
  .hero h1 { font-size: 36px; }
  .hero-content > p { font-size: 17px; }
  .hero-actions { align-items: stretch; flex-direction: column; width: 210px; }
  .trust-row { flex-wrap: wrap; gap: 12px 0; margin-top: 38px; }
  .trust-row span { width: 50%; }
  .trust-row span + span { margin-left: 0; }
  .hero-card { display: none; }
  .section { padding: 72px 18px; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2 { font-size: 30px; }
  .about-grid, .service-grid { grid-template-columns: 1fr; gap: 22px; }
  .about-copy h3 { font-size: 23px; }
  .service-image { height: 170px; }
  .service-body { padding: 29px 24px; }
  .service-body p { min-height: auto; }
  .service-note { display: block; }
  .service-note strong { display: block; margin-bottom: 8px; }
  .contact-panel { padding: 36px 24px; }
  .contact-list { grid-template-columns: 1fr; }
  .contact-list .contact-address { grid-column: auto; }
  .footer-main, .footer-bottom { display: block; }
  .footer-links { justify-content: flex-start; margin-top: 28px; gap: 13px 22px; }
  .footer-bottom span { display: block; line-height: 1.7; }
  .page-hero { padding: 60px 20px; }
  .page-hero h1 { font-size: 34px; }
  .content-page { width: calc(100% - 28px); padding: 40px 0 70px; }
  .content-card { padding: 30px 22px; }
  .content-card h2 { font-size: 22px; }
  .info-table { display: block; overflow-x: auto; }
  .info-table th { min-width: 105px; }
  .product-spotlight { padding: 30px 24px; }
  .product-logo { width: 72px; height: 72px; font-size: 18px; }
  .product-brand h3 { font-size: 31px; }
  .product-intro { padding-top: 24px; }
  .data-panel { padding: 25px 22px; }
  .data-title { align-items: flex-start; }
  .privacy-hero h1, .agreement-hero h1 { font-size: 30px; }
  .privacy-page, .agreement-page { padding-top: 30px; }
  .privacy-emphasis, .agreement-notice, .agreement-contact { padding: 16px; }
}