:root {
  --primary-color: #c93543;
  --primary-hover: #a92734;
  --ink: #202938;
  --muted: #5e6876;
  --surface: #f5f7fa;
  --border: #e4e8ef;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--ink); background: white; font: 15px/1.8 Helvetica, "PingFang SC", "Microsoft Yahei", sans-serif; }
h1, h2, h3, p, ul, dl, dd { margin: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-underline-offset: 4px; }
img { display: block; width: 100%; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--primary-color); outline-offset: 5px; }
[hidden] { display: none !important; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; left: 16px; top: 12px; transform: translateY(-150%); background: white; padding: 10px 18px; z-index: 500; }
.skip-link:focus { transform: translateY(0); }
header { position: absolute; top: 0; left: 0; width: 100%; height: 88px; padding: 0 4vw; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: white; z-index: 200; border-bottom: 1px solid #ffffff26; }
header.sticky { position: fixed; color: var(--ink); background: #fffffffa; border-color: var(--border); box-shadow: 0 4px 24px #2029380c; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--primary-color); color: white; font-size: 24px; font-weight: 700; }
.brand-name { font-size: 20px; font-weight: 700; line-height: 1.4; }
.brand-name small { display: block; font-size: 10px; font-weight: 400; letter-spacing: 1px; margin-top: 3px; }
header nav { display: flex; gap: clamp(14px, 1.7vw, 28px); align-items: center; }
header nav a { font-size: 14px; text-decoration: none; white-space: nowrap; padding: 8px 0; border-bottom: 2px solid transparent; }
header nav a[aria-current="location"] { border-color: currentColor; }
header nav a:last-child { background: var(--primary-color); color: white; padding: 9px 18px; border-radius: 6px; }
.burger { display: none; }
.glide { width: 100%; position: relative; color: white; background: #181f2b; }
.glide__slide { position: relative; min-height: 640px; height: min(840px, 90svh); display: flex; align-items: center; padding: 132px max(8vw, calc((100vw - 1100px) / 2)) 96px; }
.glide__slide > img { position: absolute; inset: 0; height: 100%; object-fit: cover; z-index: 0; }
.backdrop { position: absolute; inset: 0; background: linear-gradient(90deg, #111827e6, #11182766); z-index: 1; }
.slide-caption { position: relative; z-index: 2; max-width: 760px; }
.hero-eyebrow { font-size: 14px; letter-spacing: 3px; color: #f6c9ce; margin-bottom: 24px; }
.slide-caption h1, .slide-caption h2 { font-size: clamp(36px, 4.8vw, 64px); line-height: 1.25; letter-spacing: -1px; font-weight: 700; }
.hero-description { max-width: 540px; font-size: 18px; line-height: 1.9; margin: 24px 0 32px; color: #e1e6ee; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.explor-btn, .outline-btn, .read-more-btn, .copy-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 24px; border-radius: 6px; text-decoration: none; font-weight: 600; transition: background .2s; }
.explor-btn, .read-more-btn, .copy-btn { color: white; background: var(--primary-color); border: 1px solid var(--primary-color); }
.explor-btn:hover, .read-more-btn:hover, .copy-btn:hover { background: var(--primary-hover); }
.outline-btn { color: white; border: 1px solid #ffffff66; }
.outline-btn:hover { background: #ffffff18; }
.hero-tags { font-size: 13px; color: #c4ccd9; margin-top: 32px; letter-spacing: 2px; }
.glide__arrow { border: 1px solid #ffffff55; box-shadow: none; background: #11182733; min-width: 44px; min-height: 44px; border-radius: 50%; }
.glide__arrow--left { left: 24px; }
.glide__arrow--right { right: 24px; }
.glide__bullets { bottom: 28px; }
.glide__bullet { width: 24px; height: 24px; background: transparent; box-shadow: none; border: 0; position: relative; }
.glide__bullet::after { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: #ffffff66; }
.glide__bullet--active::after { background: white; }
.glide:not(.has-carousel) .glide__slide:not(:first-child), .glide:not(.has-carousel) .glide__arrows, .glide:not(.has-carousel) .glide__bullets { display: none; }
.glide:not(.has-carousel) .glide__slides { margin: 0; }
.content-wrapper { display: flex; flex-direction: column; align-items: center; }
section { width: 100%; min-width: 0; max-width: 1180px; padding: 80px 40px; scroll-margin-top: 16px; }
.title1 { text-align: center; font-size: 32px; line-height: 1.4; letter-spacing: 1px; }
.title1::after { content: ""; display: block; width: 36px; height: 3px; background: var(--primary-color); margin: 16px auto 0; border-radius: 2px; }
.intro { max-width: 850px; margin: 24px auto 40px; color: var(--muted); font-size: 16px; text-align: center; }
.section-bg { background: var(--surface); max-width: none; }
.company-profile { padding: 24px 32px; margin-bottom: 40px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.company-profile > div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 20px; padding: 10px 0; }
.company-profile dt { font-weight: 600; }
.company-profile dd { color: var(--muted); overflow-wrap: anywhere; }
.company-profile a { color: var(--ink); }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.feature { display: grid; grid-template-columns: 48px minmax(0, 1fr); grid-template-rows: auto 1fr; grid-template-areas: "icon title" "icon content"; column-gap: 16px; padding: 24px 16px; border-top: 1px solid var(--border); }
.feature-icon { grid-area: icon; width: 42px; height: 42px; padding: 7px; background: #c935430b; border-radius: 10px; color: var(--primary-color); }
.feature-title { grid-area: title; font-size: 18px; line-height: 1.5; }
.feature-content { grid-area: content; color: var(--muted); margin-top: 10px; font-size: 14px; }
.showcases { padding-left: 0; padding-right: 0; }
.showcase-intro { padding: 0 24px; }
.filter-btns { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin: 0 16px 32px; }
.filter-btn { border: 1px solid var(--border); border-radius: 6px; background: white; color: var(--muted); min-height: 44px; padding: 8px 20px; }
.filter-btn.active, .filter-btn:hover { background: var(--primary-color); color: white; border-color: var(--primary-color); }
.cases { width: 100%; }
.case-item { position: relative; width: 25%; height: 240px; overflow: hidden; float: left; }
.cases::after { content: ""; display: block; clear: both; }
.case-item img { height: 100%; object-fit: cover; transition: transform .4s; }
.case-item:hover img { transform: scale(1.04); }
.case-caption { position: absolute; bottom: 0; left: 0; width: 100%; padding: 28px 20px 16px; color: white; font-size: 16px; background: linear-gradient(transparent, #111827e6); }
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.service-item { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: white; }
.service-step { display: block; color: var(--primary-color); font-size: 28px; line-height: 1; font-weight: 700; margin-bottom: 20px; }
.service-title { font-size: 20px; margin-bottom: 12px; }
.service-content { color: var(--muted); font-size: 14px; }
.team-members { max-width: 1100px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin: auto; }
.team-member { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: white; }
.role-number { font-size: 28px; font-weight: 700; color: var(--primary-color); }
.name { font-size: 18px; margin: 12px 0; }
.position { font-size: 14px; color: var(--muted); }
.data-section { position: relative; max-width: none; display: grid; grid-template-columns: repeat(4, minmax(0, 220px)); justify-content: center; gap: 20px; background: #202938; color: white; padding-top: 48px; padding-bottom: 48px; }
.data-piece { display: grid; justify-items: center; text-align: center; gap: 8px; }
.data-piece .icon { opacity: .6; }
.capability-title { font-size: 28px; font-weight: 700; }
.data-desc { font-size: 14px; color: #cad2de; }
.activities { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.activity { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); }
.act-title { font-size: 19px; margin-bottom: 16px; }
.activity p { color: var(--muted); margin-bottom: 24px; font-size: 14px; }
.activity .read-more-btn { align-self: flex-start; margin-top: auto; font-size: 14px; padding: 8px 16px; }
.faq-section { padding-top: 0; }
.faq-list { max-width: 850px; margin: auto; }
.faq-list details { border-bottom: 1px solid var(--border); padding: 20px 0; }
summary { cursor: pointer; font-size: 16px; font-weight: 600; }
.faq-list details p { color: var(--muted); padding: 16px 24px 0; }
.contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 1100px; padding: 48px; margin: 0 24px 80px; width: calc(100% - 48px); background: var(--surface); border: 1px solid var(--border); border-radius: 20px; }
.section-eyebrow { color: var(--primary-color); font-size: 14px; font-weight: 600; margin-bottom: 20px; }
.contact-heading h2 { font-size: 34px; line-height: 1.4; margin-bottom: 20px; }
.contact-heading > p:last-child { max-width: 360px; color: var(--muted); }
.contact-options { display: grid; gap: 12px; }
.contact-card { display: flex; align-items: center; gap: 16px; padding: 18px; background: white; border: 1px solid var(--border); border-radius: 10px; text-decoration: none; min-width: 0; }
a.contact-card:hover { border-color: var(--primary-color); }
.contact-card .icon { color: var(--primary-color); }
.contact-card > span:nth-child(2) { flex: 1; min-width: 0; }
.contact-card small { display: block; color: var(--muted); font-size: 12px; }
.contact-card strong { font-size: 16px; overflow-wrap: anywhere; }
.contact-card p { font-size: 13px; line-height: 1.8; }
.inquiry-template { grid-column: 1 / -1; border-top: 1px solid var(--border); padding-top: 24px; }
.inquiry-template > p { color: var(--muted); font-size: 14px; margin-top: 12px; }
.inquiry-template pre { margin: 20px 0; padding: 20px; background: white; border: 1px solid var(--border); border-radius: 8px; font: inherit; font-size: 14px; white-space: pre-wrap; }
.copy-status { min-height: 24px; }
footer { padding: 56px 40px 28px; background: #181f2b; color: #d4dce8; }
.footer-menus { max-width: 1100px; margin: auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px 60px; }
.menu-title { color: white; font-size: 16px; margin-bottom: 20px; }
.company-name { font-weight: 600; }
.contact-us p { font-size: 13px; margin-bottom: 12px; }
.menu-items { list-style: none; padding: 0; }
.menu-items li { margin-bottom: 12px; font-size: 13px; }
.menu-items a { text-decoration: none; }
.menu-items a:hover { text-decoration: underline; }
.icp-info, .rights { grid-column: 1 / -1; text-align: center; font-size: 12px; }
.icp-info { border-top: 1px solid #ffffff1a; padding-top: 24px; margin-top: 12px; }
.icp-info a { text-decoration: none; }
.scrollToTop { display: none; }
.scrollToTop a { position: fixed; bottom: 24px; right: 24px; display: grid; place-items: center; width: 44px; height: 44px; color: white; background: var(--primary-color); border-radius: 8px; z-index: 100; }
@media (max-width: 1100px) {
  header { height: 80px; }
  header nav { display: none; }
  .burger { display: block; position: relative; background: transparent; border: 0; width: 44px; height: 44px; z-index: 2; flex-shrink: 0; }
  .burger span { position: absolute; left: 12px; width: 20px; height: 2px; background: currentColor; transition: transform .2s, opacity .2s; }
  .burger-line1 { top: 14px; }
  .burger-line2 { top: 21px; }
  .burger-line3 { top: 28px; }
  header.open { color: var(--ink); position: fixed; }
  header.open .logo { position: relative; z-index: 2; }
  header.open nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; padding: 110px 24px 32px; gap: 8px; background: white; overflow-y: auto; }
  header.open nav a { font-size: 18px; padding: 10px 16px; align-self: stretch; border-bottom: 0; }
  header.open nav a[aria-current="location"] { background: var(--surface); }
  header.open nav a:last-child { margin-top: 12px; color: white; background: var(--primary-color); }
  header.open .burger-line1 { transform: translateY(7px) rotate(45deg); }
  header.open .burger-line2 { opacity: 0; }
  header.open .burger-line3 { transform: translateY(-7px) rotate(-45deg); }
  body.menu-open { overflow: hidden; }
  .team-members { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-section { gap: 28px; padding: 32px; }
}
@media (max-width: 900px) {
  .features, .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-item { width: calc(100% / 3); height: 220px; }
  .activities { grid-template-columns: 1fr; }
  .contact-section { grid-template-columns: 1fr; }
  .contact-heading > p:last-child { max-width: none; }
  .footer-menus { gap: 24px; }
}
@media (max-width: 600px) {
  header { padding: 0 16px; }
  .brand-name { font-size: 17px; }
  .brand-name small { font-size: 9px; letter-spacing: 0; }
  .brand-mark { width: 36px; height: 36px; font-size: 20px; }
  .logo { gap: 9px; }
  section { padding: 56px 24px; }
  .glide__slide { min-height: 620px; height: 88svh; max-height: 800px; padding: 120px 32px 84px; }
  .hero-eyebrow { font-size: 11px; letter-spacing: 1px; }
  .hero-description { font-size: 15px; margin: 20px 0 28px; }
  .hero-tags { font-size: 11px; letter-spacing: 1px; }
  .explor-btn, .outline-btn { font-size: 14px; padding: 10px 18px; }
  .glide__arrow { top: auto; bottom: 14px; transform: none; }
  .glide__arrow--left { left: 24px; }
  .glide__arrow--right { right: 24px; }
  .title1 { font-size: 27px; }
  .intro { font-size: 15px; margin-bottom: 28px; }
  .company-profile { padding: 20px; margin-bottom: 24px; }
  .company-profile > div { grid-template-columns: 1fr; gap: 4px; }
  .features, .services, .team-members { grid-template-columns: 1fr; gap: 16px; }
  .feature { padding: 20px 0; }
  .showcases { padding-left: 0; padding-right: 0; }
  .case-item { width: 50%; height: 190px; }
  .case-caption { font-size: 13px; padding: 24px 12px 12px; }
  .filter-btn { padding: 8px 14px; font-size: 13px; }
  .team-member { padding: 24px; }
  .data-section { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 12px; }
  .data-desc { font-size: 12px; }
  .faq-list details p { padding-left: 0; padding-right: 0; font-size: 14px; }
  .contact-section { width: calc(100% - 32px); margin: 0 16px 48px; padding: 24px 20px; gap: 24px; }
  .contact-heading h2 { font-size: 28px; }
  .contact-card { padding: 14px; gap: 12px; }
  .contact-card strong { font-size: 14px; }
  footer { padding: 40px 24px 24px; }
  .footer-menus { grid-template-columns: 1fr 1fr; }
  .contact-us { grid-column: 1 / -1; }
  .scrollToTop a { bottom: 16px; right: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}