:root { --ink: #172b3a; --muted: #71808d; --paper: #f4f7f9; --line: #d7e0e7; --deep: #0d3150; --accent: #4d9ed8; --shell: min(1240px, calc(100% - 96px)); }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Microsoft YaHei", "PingFang SC", sans-serif; }
a { color: inherit; text-decoration: none; }
.shell { width: var(--shell); margin: 0 auto; }
.site-header { position: absolute; top: 0; right: 0; left: 0; z-index: 5; height: 92px; overflow-x: clip; background: transparent; border-bottom: 0; }
.site-header::before { content: ""; position: absolute; z-index: -1; top: -42px; right: 0; left: 0; height: 200px; background: linear-gradient(180deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.78) 35%, rgba(255,255,255,.32) 68%, transparent 100%); filter: blur(8px); pointer-events: none; }
.header-inner { width: var(--shell); height: 100%; margin: 0 auto; display: flex; align-items: center; }
.brand { display: flex; align-items: center; gap: 13px; min-width: 290px; }
.brand-symbol { width: 35px; height: 35px; display: block; object-fit: contain; }
.brand-name { display: flex; flex-direction: column; gap: 4px; color: var(--deep); }
.brand-name b { font-size: 18px; letter-spacing: .08em; }
.brand-name small { font-size: 8px; color: #859095; letter-spacing: .16em; }
.nav { display: flex; align-self: stretch; align-items: center; gap: 38px; margin-left: auto; }
.nav a { position: relative; display: flex; align-items: center; height: 100%; color: #59666b; font-size: 14px; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--accent); transform: scaleX(0); transition: transform .2s ease; }
.nav a:hover, .nav a.active { color: var(--ink); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.menu-toggle { display: none; }

@media (max-width: 680px) {
  body.home-page .site-header,
  body.detail-page .site-header {
    position: relative;
    height: auto;
    min-height: 70px;
    overflow: visible;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  body.home-page .header-inner,
  body.detail-page .header-inner {
    width: var(--shell);
    height: auto;
    min-height: 70px;
    flex-wrap: wrap;
    align-content: flex-start;
    padding-top: 0;
  }
  body.home-page .menu-toggle,
  body.detail-page .menu-toggle { display: none; }
  body.home-page .nav,
  body.detail-page .nav {
    position: static;
    display: flex;
    order: 3;
    width: 100%;
    flex-basis: 100%;
    height: auto;
    margin: 0;
    padding: 18px;
    overflow: visible;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    white-space: normal;
  }
  body.home-page .nav a,
  body.detail-page .nav a {
    height: auto;
    color: #59666b;
    font-size: 13px;
  }
  body.home-page .nav a::after,
  body.detail-page .nav a::after { bottom: -6px; }
}

.text-link { display: inline-flex; gap: 20px; align-items: center; padding-bottom: 10px; border-bottom: 1px solid var(--deep); font-size: 13px; letter-spacing: .08em; }
.text-link span { font-size: 20px; line-height: 12px; transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.text-link-light { border-color: rgba(255,255,255,.55); color: #fff; }
.hero-meta { position: absolute; bottom: 34px; left: 50%; display: flex; justify-content: space-between; color: rgba(255,255,255,.58); font-size: 10px; letter-spacing: .18em; transform: translateX(-50%); }

.section { padding-top: 118px; padding-bottom: 118px; }
.section-title { display: flex; align-items: center; gap: 18px; margin-bottom: 65px; }
.section-title span { color: #8d999a; font-family: Georgia, serif; font-size: 14px; }
.section-title h2 { margin: 0; font-size: 29px; font-weight: 400; letter-spacing: -.04em; }
.section-title i { width: 64px; height: 1px; margin-left: 8px; background: var(--accent); }

.contact-section { color: #fff; background: #12466e; }
.contact-inner { min-height: 410px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 100px; }
.contact-inner h2 { margin: 0; font-size: clamp(34px, 4vw, 55px); font-weight: 400; line-height: 1.3; letter-spacing: -.06em; }
.contact-info { padding-left: 70px; border-left: 1px solid rgba(255,255,255,.28); }
.contact-info p, .contact-info span { display: block; color: rgba(255,255,255,.56); font-size: 13px; }
.contact-info a:not(.text-link) { display: block; margin: 13px 0 13px; color: var(--accent); font-family: Georgia, serif; font-size: 32px; }
.contact-info span { margin-bottom: 37px; }
.site-footer { background: #092d49; color: rgba(255,255,255,.48); }
.footer-inner { display: flex; justify-content: space-between; min-height: 78px; align-items: center; font-size: 11px; letter-spacing: .04em; }
.detail-page .site-header { position: relative; background: #fff; border-bottom: 1px solid #e5e9eb; }
.detail-page .brand-name { color: var(--deep); }
.detail-page .nav a { color: #59666b; text-shadow: none; }
.detail-page .nav a:hover, .detail-page .nav a.active { color: var(--ink); }
.detail-hero { position: relative; min-height: 570px; overflow: hidden; color: #fff; }
.detail-hero-image { position: absolute; inset: 0; background: url("https://yamiweb-1426770937.cos.ap-chongqing.myqcloud.com/software_background.png") center / cover no-repeat; }
.detail-hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,28,48,.9), rgba(5,28,48,.38) 62%, rgba(5,28,48,.15)); }
.detail-hero-content { position: relative; padding-top: 145px; }
.detail-hero h1 { margin: 0; font-size: clamp(42px, 6vw, 78px); font-weight: 400; line-height: 1.12; letter-spacing: -.07em; }
.detail-hero h1 em { color: var(--accent); font-style: normal; }
.detail-hero-content > p:not(.eyebrow) { max-width: 490px; margin: 30px 0 32px; color: rgba(255,255,255,.75); font-size: 15px; line-height: 2; }
.detail-hero-actions { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }

.footer-brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; font-size: 15px; letter-spacing: .08em; }
.footer-brand img { display: none; }
.footer-nav { display: flex; align-items: center; gap: 30px; }
.footer-nav a { color: rgba(255,255,255,.64); font-size: 12px; transition: color .2s ease; }
.footer-nav a:hover { color: #fff; }
.footer-business { padding-left: 34px; border-left: 1px solid rgba(255,255,255,.2); }
.footer-business span { display: block; margin-bottom: 8px; color: rgba(255,255,255,.46); font-size: 11px; }
.footer-business a { color: #acd3e8; font-family: Georgia, serif; font-size: 17px; white-space: nowrap; }
.footer-bottom { display: flex; align-items: center; gap: 27px; min-height: 58px; color: rgba(255,255,255,.42); font-size: 11px; }
.footer-bottom a { color: rgba(255,255,255,.5); }

@media (max-width: 900px) {
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px; padding-top: 28px; padding-bottom: 28px; }
  .footer-business { padding-left: 0; border-left: 0; }
  .footer-bottom { flex-wrap: wrap; padding-top: 18px; padding-bottom: 18px; }
}

@media (max-width: 680px) {
  .footer-main { grid-template-columns: 1fr; gap: 22px; padding-top: 30px; padding-bottom: 30px; }
  .footer-nav { flex-wrap: wrap; gap: 14px 24px; }
  .footer-bottom { display: grid; gap: 9px; padding-top: 18px; padding-bottom: 18px; }
}

.footer-simple { display: flex; align-items: center; justify-content: space-between; min-height: 104px; gap: 30px; }
.footer-simple { justify-content: flex-end; min-height: 64px; }
.footer-meta { display: flex; align-items: center; justify-content: flex-end; gap: 25px; color: rgba(255,255,255,.45); font-size: 11px; }
.footer-meta a { color: rgba(255,255,255,.5); }

@media (max-width: 680px) {
  .footer-simple { align-items: flex-start; flex-direction: column; gap: 22px; padding-top: 28px; padding-bottom: 28px; }
  .footer-meta { align-items: flex-start; flex-direction: column; gap: 9px; }
}

@media (max-width: 900px) { :root { --shell: min(100% - 40px, 1240px); } .nav { gap: 22px; } .contact-inner { grid-template-columns: 1fr; gap: 44px; } .contact-info { padding: 35px 0 0; border-top: 1px solid rgba(255,255,255,.28); border-left: 0; } }
@media (max-width: 680px) { :root { --shell: calc(100% - 36px); } .site-header, .detail-page .site-header { height: 70px; } .header-inner { justify-content: space-between; } .brand { min-width: 0; } .brand-name small { display: none; } .brand-name b { font-size: 16px; } .menu-toggle { display: flex; width: 36px; height: 36px; flex-direction: column; gap: 4px; border: 0; background: transparent; } .menu-toggle span { width: 20px; height: 1px; background: var(--deep); } .nav { position: absolute; top: 70px; right: 0; left: 0; display: none; height: auto; padding: 18px; flex-direction: column; align-items: flex-start; gap: 18px; background: #fff; border-bottom: 1px solid var(--line); } .nav.is-open { display: flex; } .nav a { height: auto; } .section { padding-top: 75px; padding-bottom: 75px; } .section-title { margin-bottom: 40px; } .footer-main { grid-template-columns: 1fr; gap: 22px; padding-top: 30px; padding-bottom: 30px; } .footer-nav { flex-wrap: wrap; gap: 14px 24px; } .footer-bottom { display: grid; gap: 9px; padding-top: 18px; padding-bottom: 18px; } }