:root { --gold: #bd9a59; --ink: #222625; --muted: #59615d; --line: #dce1de; }
body { background: #fff; color: var(--ink); }
body * { letter-spacing: 0 !important; }
html { scroll-padding-top: 88px; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
nav, nav.scrolled { padding: 20px max(28px, calc((100% - 1280px) / 2)); gap: 28px; background: #fff; border-bottom: 1px solid #e1e5e2; backdrop-filter: none; }
.nav-logo { font-size: 22px; color: var(--ink); text-decoration: none; }
.nav-links { gap: 30px; }
.nav-links a { color: var(--ink); font-size: 15px; }
.nav-links a::after { display: none; }
.nav-phone { border: 0; background: none; padding: 0; font-size: 14px; color: #655432; margin-left: 16px; }
.nav-phone:hover { background: none; color: #222; }
.menu-toggle span { background: var(--ink); }
.hero { height: calc(100svh - 64px); max-height: 820px; min-height: 540px; padding: 140px 28px 100px; align-items: center; text-align: left; }
.hero::after { background: #0007; }
.hero-bg { transform: none; animation-duration: 36s; }
.hero-bg-1 { animation-delay: 0s; }
.hero-bg-2 { animation-delay: 12s; }
.hero-bg-3 { animation-delay: 24s; }
.hero-content { width: 100%; max-width: 1280px; padding: 0; }
.hero h1 { font-size: 54px; line-height: 1.45; margin-bottom: 24px; }
.hero-subtitle { margin: 0 0 20px; max-width: 620px; color: #fff; font-size: 18px; line-height: 1.9; }
.hero-proof { display: block; padding: 0; border: 0; background: none; color: #e4e8e5; font-size: 14px; margin: 0 0 32px; }
.hero-actions { justify-content: flex-start; gap: 14px; }
.hero-btn { min-width: 140px; width: auto; font-size: 15px; padding: 11px 24px; border-radius: 2px; }
.hero-btn:hover { transform: none; box-shadow: none; }
section { padding: 76px max(28px, calc((100% - 1280px) / 2)); }
.section-title { text-align: left; margin-bottom: 36px; }
.section-title .cn { font-size: 32px; line-height: 1.5; color: var(--ink); }
.services { position: relative; isolation: isolate; background: #151917 url('主页背景2-优化.jpg') center/cover no-repeat; color: #fff; }
.services::before { content: ''; position: absolute; inset: 0; z-index: -1; background: #111715ec; pointer-events: none; }
.services .section-title .cn { color: #fff; }
.services-grid { max-width: 1280px; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 38px 28px; }
.service-card { background: none; border: 0; border-radius: 0; overflow: visible; }
.service-card:hover { transform: none; box-shadow: none; border-color: transparent; }
.service-card-img { height: auto; aspect-ratio: 16/9; }
.service-card-img::after { display: none; }
.service-card-body { padding: 18px 0 0; }
.service-card-body h3 { color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 23px; margin-bottom: 6px; }
.service-card-body p { font-size: 15px; line-height: 1.9; color: #d9e0db; }
.service-arrow { color: #cbbc98; font-size: 22px; font-weight: 400; }
.cases { background: #fff; }
.cases-grid { max-width: 1280px; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 36px 24px; }
.case-card { height: auto; aspect-ratio: auto; border-radius: 0; overflow: visible; background: none; }
.case-media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: #e4e8e5; }
.case-bg { transform: none; }
.case-card::before { display: none; }
.case-card-rotating .case-bg { animation: none; opacity: 0; }
.case-card-rotating .case-bg:first-child { opacity: 1; }
.case-card-content { position: static; padding: 16px 32px 0 0; }
.case-card-content h4 { font-size: 22px; color: var(--ink); line-height: 1.5; margin: 0; }
.case-card .arrow { right: 0; bottom: 3px; width: 24px; height: 28px; border: 0; border-radius: 0; color: #737e76; font-size: 22px; }
.case-card:hover .arrow { background: none; color: var(--ink); }
.about { background: #f2f4f2; }
.about-inner { max-width: 1280px; display: grid; grid-template-columns: 1.15fr 1fr; gap: 80px; align-items: start; }
.about-text h3 { font-size: 25px; color: var(--ink); line-height: 1.6; margin: 0 0 18px; }
.about-text p { font-size: 16px; line-height: 2; color: #424c45; }
.capabilities > div { display: grid; grid-template-columns: 90px 1fr; gap: 22px; padding: 16px 0; border-bottom: 1px solid #d4dcd6; font-size: 15px; }
.capabilities > div:first-child { padding-top: 0; }
.capabilities dt { font-weight: 700; color: #28322b; }
.capabilities dd { color: #56635a; }
.contact { padding: 68px max(28px, calc((100% - 1280px) / 2)); color: #fff; }
.contact::after { background: #111715df; }
.contact-bg { transform: none; animation: calmContact 48s infinite; }
.contact-bg-1 { animation-delay: 0s; }
.contact-bg-2 { animation-delay: 16s; }
.contact-bg-3 { animation-delay: 32s; }
@keyframes calmContact { 0%,30% { opacity: 1; } 38%,95% { opacity: 0; } 100% { opacity: 1; } }
.contact .section-title .cn { color: #fff; }
.contact-inner { max-width: 1280px; margin: 0; display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 80px; text-align: left; }
.contact-details > p { color: #d8e0da; font-size: 15px; }
.contact-cards { gap: 30px; margin-top: 24px; }
.contact-card { background: none; border: 0; border-top: 1px solid #ffffff40; border-radius: 0; padding: 18px 0; }
.contact-card:hover { background: none; }
.contact-card .phone { font-size: 26px; }
.contact-card .label { font-size: 13px; color: #d8e0da; }
.contact-card .wechat { font-size: 13px; color: #d7c699; }
.contact-address { margin-top: 10px; padding-top: 22px; border-top-color: #ffffff30; font-size: 15px; }
.map-search-note { font-size: 13px; color: #d8e0da; }
.map-actions { justify-content: flex-start; gap: 12px; }
.map-btn { font-size: 14px; padding: 9px 16px; border-radius: 2px; }
.social-follow { margin-top: 0; }
.social-title { margin: 0 0 12px; font-size: 16px; }
.qr-grid { grid-template-columns: 1fr; gap: 0; }
.qr-card, .qr-card:hover { padding: 0; border: 0; border-radius: 0; background: none; }
.social-entry { width: 100%; display: flex; align-items: center; gap: 16px; padding: 18px 0; border: 0; border-top: 1px solid #ffffff30; background: none; color: #fff; text-align: left; font: inherit; cursor: pointer; }
.social-entry span { font-size: 16px; font-weight: 700; }
.social-entry small { display: block; font-size: 12px; font-weight: 400; margin-top: 5px; color: #d8e0da; }
.qr-card .social-entry img { width: 66px; height: 88px; object-fit: contain; flex: 0 0 auto; padding: 4px; margin: 0; background: #fff; border-radius: 0; }
footer { background: #181c19; padding: 28px; font-size: 13px; color: #c2ccc5; }
.footer-links a { color: #c2ccc5; }
.modal-overlay { background: #000b; }
.modal { background: #fff; color: var(--ink); border: 0; padding: 46px 36px; }
.modal-close { color: var(--ink); }
.modal h3 { color: var(--ink); font-size: 27px; }
.modal-body p { color: #39463d; font-size: 16px; }
.service-detail-card { background: none; border: 0; border-bottom: 1px solid var(--line); padding: 14px 0; }
.service-detail-card span { color: #655431; font-size: 13px; }
.service-detail-card strong { color: #26332a; font-size: 15px; }
.service-note { color: #39463d; background: #f2f5f2; border-color: #b29d6a; font-size: 15px; }
.modal-body .feature-item { color: #344339; background: none; border-color: #d5ded7; font-size: 15px; }
.modal-body .feature-item::before { display: none; }
.modal-body .feature-item:hover { color: var(--ink); }
.service-cta button { color: var(--ink); border-color: #aab6ad; }
.gallery-overlay { background: #fff; color: var(--ink); }
.gallery { max-width: 1280px; padding: 48px 24px; }
.gallery h3 { font-size: 32px; color: var(--ink); text-align: left; margin-bottom: 30px; }
.gallery-close { width: 44px; height: 44px; top: 12px; right: 14px; color: #26332a; background: #fff; }
.case-list { gap: 0; }
.case-list-item { padding: 36px 0; border-color: var(--line); gap: 44px; }
.case-list-image:hover { transform: none; box-shadow: none; }
.case-list-content h4 { font-size: 27px; line-height: 1.55; color: var(--ink); }
.case-list-content p { font-size: 17px; line-height: 1.95; color: #37463c; }
.case-text-item { display: block; }
.case-meta { gap: 12px 20px; }
.case-meta-item { padding: 10px 0; border: 0; border-bottom: 1px solid #d6dfd7; border-radius: 0; background: #fff; color: #26382c; font-size: 15px; line-height: 1.85; }
.case-meta-item span { font-size: 13px; color: #635632; font-weight: 700; }
.case-list-button { border: 0; border-radius: 2px; background: #25352b; color: #fff; text-decoration: none; font-size: 15px; height: 44px; }
.album-thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.album-thumbs button { width: 66px; height: 54px; border: 1px solid #d5dfd7; padding: 0; background: none; cursor: zoom-in; }
.album-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.lightbox.social-open img { max-width: 90vw; max-height: calc(100svh - 180px); object-fit: contain; }
@media (max-width: 1100px) { .nav-phone { display: none; } .nav-links { gap: 24px; } .about-inner, .contact-inner { gap: 42px; } }
@media (max-width: 768px) {
  html { scroll-padding-top: 76px; }
  nav, nav.scrolled { padding: 18px 20px; }
  .nav-logo { font-size: 18px; }
  .menu-toggle { display: flex; }
  .nav-links { position: fixed; top: 69px; height: calc(100svh - 69px); right: -100%; width: min(320px,85vw); background: #fff; padding: 30px; gap: 26px; opacity: 0; pointer-events: none; border-left: 1px solid #d9e0db; }
  .nav-links.open { right: 0; opacity: 1; pointer-events: auto; }
  .nav-links a { font-size: 17px; color: var(--ink); }
  .hero { height: calc(100svh - 48px); min-height: 540px; max-height: 780px; padding: 110px 20px 70px; }
  .hero h1 { font-size: 32px; line-height: 1.5; margin-bottom: 20px; }
  .hero-subtitle { font-size: 15px; max-width: 340px; }
  .hero-proof { font-size: 13px; margin-bottom: 28px; }
  .hero-actions { flex-direction: row; justify-content: flex-start; gap: 12px; }
  .hero-btn { min-width: 0; width: 132px; font-size: 14px; padding: 10px 14px; }
  section { padding: 48px 20px; }
  .section-title { margin-bottom: 26px; }
  .section-title .cn { font-size: 27px; }
  .services-grid { max-width: none; grid-template-columns: 1fr; gap: 28px; }
  .service-card-body h3 { font-size: 22px; }
  .service-card-body p { font-size: 14px; }
  .cases-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 14px; }
  .case-card-content { padding-top: 12px; padding-right: 22px; }
  .case-card-content h4 { font-size: 18px; }
  .case-card .arrow { font-size: 18px; width: 20px; height: 24px; bottom: 1px; }
  .about-inner, .contact-inner { grid-template-columns: 1fr; gap: 30px; }
  .about-text h3 { font-size: 22px; }
  .about-text p { font-size: 15px; }
  .capabilities > div { grid-template-columns: 76px 1fr; gap: 14px; font-size: 14px; }
  .contact { padding: 48px 20px; }
  .contact-cards { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
  .contact-card .phone { font-size: 20px; }
  .contact-address { font-size: 14px; }
  .gallery { padding: 40px 16px; width: 96%; }
  .gallery h3 { font-size: 27px; }
  .case-list-item, .case-list-item:nth-child(even) { grid-template-columns: 1fr; gap: 20px; }
  .case-list-item:nth-child(even) .case-list-image { order: 0; }
  .case-list-content h4 { font-size: 23px; }
  .case-list-content p { font-size: 16px; }
  .case-meta { grid-template-columns: 1fr; }
  .modal { padding: 42px 24px; }
  .modal h3 { font-size: 23px; }
  .service-detail-grid { grid-template-columns: 1fr; gap: 6px; }
  .modal-body .feature-list { grid-template-columns: 1fr; }
}
@media (max-width: 360px) { .hero h1 { font-size: 28px; } .nav-logo { font-size: 17px; } .contact-card .phone { font-size: 18px; } }
@media (max-height: 600px) and (max-width: 768px) { .hero { height: auto; min-height: 500px; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg, .contact-bg { animation: none; opacity: 0; }
  .hero-bg-1, .contact-bg-1 { opacity: 1; }
}