.hero-bg { background-image: url('assets/service-ocean.avif'); }
.about-photo { background-image: url('assets/case-battery.avif'); }
.wecom-qr { display: block; width: min(320px, 80vw); height: auto; margin: 0 auto 24px; border: 1px solid #dde3e9; }

/* Restored circular QH globe mark */
.brand-mark { width: 50px; height: 50px; border: 2px solid #e21d2f; border-radius: 50%; background: rgba(255,255,255,.05); color: #e21d2f; transform: none; overflow: hidden; position: relative; display: grid; place-items: center; }
.brand-mark b { position: relative; z-index: 2; font-size: 16px; letter-spacing: -1px; }
.brand-mark i { position: absolute; font-style: normal; font-size: 54px; line-height: 1; opacity: .42; }
.brand-logo { display: block; width: 108px; height: 52px; object-fit: contain; object-position: left center; }
.footer-brand .brand-logo { filter: brightness(1.08); }
.brand-mark { width: 42px; height: 35px; border: 0; border-radius: 0; background: #e21d2f; color: #fff; transform: skew(-8deg); overflow: visible; position: static; display: grid; place-items: center; font-size: 22px; line-height: 1; font-weight: 900; letter-spacing: -2px; }
.float-contact .contact-icon { border-radius: 50%; }
.float-contact .contact-icon svg { width: 22px; height: 22px; fill: currentColor; }
.float-contact .whatsapp-icon { background: #25d366; color: #fff; }
.float-contact .email-icon { background: #fff; color: #0a2440; }
.float-contact .wechat-icon { background: #16ad66; color: #fff; }
.float-contact .phone-icon { background: #e21d2f; color: #fff; }
.float-contact .contact-icon { position: relative; transition: transform .22s ease, background-color .22s ease, box-shadow .22s ease, color .22s ease; }
.float-contact .contact-icon::after { content: attr(data-tip); position: absolute; right: 52px; top: 50%; transform: translate(8px,-50%); padding: 7px 10px; border-radius: 4px; background: #06172b; color: #fff; font-size: 11px; font-weight: 600; letter-spacing: .2px; white-space: nowrap; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .2s ease, transform .2s ease; box-shadow: 0 6px 20px rgba(6,23,43,.22); }
.float-contact .contact-icon:hover, .float-contact .contact-icon:focus-visible { transform: translateX(-4px) scale(1.18); box-shadow: 0 10px 28px rgba(6,23,43,.3); outline: none; }
.float-contact .contact-icon:hover::after, .float-contact .contact-icon:focus-visible::after { opacity: 1; visibility: visible; transform: translate(0,-50%) scale(.85); }
.float-contact .whatsapp-icon:hover { background: #128c4a; }
.float-contact .email-icon:hover { background: #0a2440; color: #fff; }
.float-contact .wechat-icon:hover { background: #078448; }
.float-contact .phone-icon { animation: phone-pulse 2.6s ease-in-out infinite; }
.float-contact .phone-icon:hover, .float-contact .phone-icon:focus-visible { background: #b9091c; animation: none; }
@keyframes phone-pulse { 0%,72%,100% { box-shadow: 0 5px 25px rgba(6,23,43,.18); } 82% { box-shadow: 0 0 0 7px rgba(226,29,47,.12),0 9px 28px rgba(6,23,43,.28); transform: scale(1.06); } }
@media (prefers-reduced-motion: reduce) { .float-contact .contact-icon { transition: none; } .float-contact .phone-icon { animation: none; } }

/* Keep approved Chinese headings aligned on one line */
.hero h1 { white-space: nowrap; font-size: clamp(36px, 5.2vw, 78px); letter-spacing: -.04em; }
.hero-content { width: min(920px, 92%); }
.hero-sub { max-width: 900px; }
html[lang="zh-CN"] .hero-sub { white-space: nowrap; }
.network-copy h2 { white-space: nowrap; font-size: clamp(29px, 3.35vw, 54px); letter-spacing: -.04em; }
.about-copy h2 { white-space: nowrap; font-size: clamp(31px, 3.4vw, 52px); letter-spacing: -.05em; }

/* Clearer globe silhouette and restrained geographic grid */
.globe-outline { fill: none; stroke: #6e91aa; stroke-width: 1.3; opacity: .42; }
.globe-grid { fill: none; stroke: #52718a; stroke-width: .8; opacity: .2; }
.world { fill: rgba(55,99,128,.16); stroke: #7598b0; stroke-width: 1.6; opacity: .85; }
.map-panel { background-color: #06172b; background-image: url('assets/world-map-premium.png'); background-repeat: no-repeat; background-position: center; background-size: contain; }
.map-panel .globe-outline, .map-panel .globe-grid, .map-panel .world { display: none; }
.map-panel svg { width: 96%; }

/* Four focused case groups: air, ocean, land, handling */
.case-grid { display: grid; grid-template-columns: 1fr; gap: 54px; }
.case-group { display: grid; grid-template-columns: minmax(220px,.34fr) 1fr; gap: 28px; align-items: stretch; }
.case-group-head { border-top: 2px solid #e21d2f; padding-top: 18px; display: flex; gap: 18px; }
.case-group-head > span { color: #e21d2f; font-size: 11px; letter-spacing: 2px; }
.case-group-head h3 { margin: 0 0 10px; font-size: 25px; }
.case-group-head p { margin: 0; color: #657286; font-size: 13px; line-height: 1.7; }
.case-group-images { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.case-group-images:has(figure:nth-child(2):last-child) { grid-template-columns: repeat(2,1fr); }
.case-group-images figure { margin: 0; min-height: 260px; position: relative; overflow: hidden; background: #06172b; }
.case-group-images figure:only-child { grid-column: 1/-1; }
.case-group-images figure:first-child:nth-last-child(2), .case-group-images figure:first-child:nth-last-child(2) ~ figure { grid-column: span 1; }
.case-group-images img { width: 100%; height: 100%; object-fit: cover; position: absolute; transition: transform .5s; }
.case-group-images figure:hover img { transform: scale(1.03); }
.case-group-images figure:after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg,rgba(3,16,31,.88),transparent 60%); }
.case-group-images figcaption { position: absolute; z-index: 2; left: 18px; right: 18px; bottom: 17px; color: white; font-size: 12px; line-height: 1.5; }
.case-group:only-child { grid-template-columns: 240px 1fr; }
.case-group:only-child .case-group-images { grid-template-columns: repeat(3,1fr); }
.case-group:only-child .case-group-images figure { min-height: 245px; }

@media (max-width: 900px) {
  .hero h1 { white-space: normal; max-width: 8em; }
  html[lang="zh-CN"] .hero-sub { white-space: normal; }
  .network-copy h2 { white-space: normal; }
  .about-copy h2 { white-space: normal; }
  .case-group { grid-template-columns: 1fr; }
  .case-group:only-child { grid-template-columns: 1fr; }
  .case-group:only-child .case-group-images { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 620px) {
  .hero h1 { font-size: 42px; }
  .case-group-images { grid-template-columns: 1fr; }
  .case-group:only-child .case-group-images { grid-template-columns: 1fr; }
  .case-group-images figure { min-height: 250px; }
}