:root {
  --ink: #102d45;
  --muted: #597184;
  --blue: #2387d7;
  --blue-dark: #1268ad;
  --sky: #eaf7ff;
  --line: #d5e8f4;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #f8fcff;
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.notice-bar {
  height: 34px;
  padding: 0 max(5vw, 24px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #4d7898;
  font-size: 12px;
  letter-spacing: .08em;
  background: #eaf7ff;
  border-bottom: 1px solid #d7ebf8;
}
.notice-detail { color: #7895aa; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 78px;
  padding: 0 max(5vw, 24px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.88);
  border-bottom: 1px solid rgba(202,227,243,.85);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: white;
  font-size: 19px;
  font-weight: 800;
  background: linear-gradient(145deg, #1d91e8, #74c9f2);
  box-shadow: 0 8px 18px rgba(35,135,215,.2);
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font-size: 18px; letter-spacing: .08em; }
.brand-copy small { margin-top: 5px; color: #7a91a2; font-size: 10px; letter-spacing: .32em; }
nav { display: flex; align-items: center; gap: 36px; font-size: 14px; font-weight: 600; color: #37566d; }
nav a { transition: color .2s ease; }
nav a:hover { color: var(--blue); }
.nav-contact { padding: 11px 19px; color: white; background: var(--blue); border-radius: 10px; box-shadow: 0 8px 20px rgba(35,135,215,.2); }
nav .nav-contact:hover { color: white; background: var(--blue-dark); }

.hero-carousel { position: relative; min-height: 680px; overflow: hidden; background: #e8f6ff; outline: none; }
.hero-carousel:focus-visible { box-shadow: inset 0 0 0 3px rgba(35,135,215,.55); }
.carousel-slides { position: absolute; inset: 0; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transform: scale(1.025); transition: opacity .85s ease, transform 6.5s ease, visibility .85s; }
.carousel-slide.is-active { opacity: 1; visibility: visible; transform: scale(1); }
.carousel-slide > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.carousel-slide > img.skyline-slide { object-position: 53% center; }
.carousel-slide > img.plaza-slide { object-position: 58% center; }
.carousel-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(241,250,255,.98) 0%, rgba(239,249,255,.95) 30%, rgba(235,247,255,.82) 48%, rgba(224,243,254,.28) 70%, rgba(17,66,98,.14) 100%); }
.carousel-shade::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(245,252,255,.08), transparent 46%, rgba(9,49,75,.18)); }
.carousel-content { position: relative; z-index: 2; min-height: 680px; max-width: 720px; padding: 90px max(6vw, 28px) 84px; display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 9px; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .16em; }
.eyebrow span { width: 24px; height: 2px; background: currentColor; }
.carousel-content h1 { margin: 0; font-size: clamp(46px, 5.3vw, 74px); line-height: 1.14; letter-spacing: -.045em; font-weight: 720; }
.carousel-content h1 em { color: var(--blue); font-style: normal; }
.hero-summary { max-width: 590px; margin: 28px 0 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { margin-top: 36px; display: flex; gap: 14px; }
.button { min-width: 132px; height: 48px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; border-radius: 11px; font-size: 14px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: white; background: var(--blue); box-shadow: 0 12px 26px rgba(35,135,215,.22); }
.button.secondary { color: #31546d; background: rgba(255,255,255,.72); border: 1px solid #c9e2f1; }
.hero-points { margin-top: 44px; display: flex; gap: 24px; color: #55758c; font-size: 12px; }
.hero-points span { display: flex; align-items: center; gap: 7px; }
.hero-points span::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #65bdf0; box-shadow: 0 0 0 4px rgba(101,189,240,.14); }

.carousel-location { position: absolute; z-index: 3; right: max(6vw, 28px); bottom: 42px; min-width: 184px; padding: 14px 18px; display: flex; flex-direction: column; gap: 5px; color: #245a7a; border: 1px solid rgba(255,255,255,.72); border-radius: 14px; background: rgba(255,255,255,.67); box-shadow: 0 14px 38px rgba(20,85,127,.13); backdrop-filter: blur(15px); }
.carousel-location small { color: #7293a8; font-size: 8px; letter-spacing: .25em; }
.carousel-location strong { font-size: 13px; letter-spacing: .06em; }
.carousel-controls { position: absolute; z-index: 5; right: max(6vw, 28px); top: 34px; display: flex; align-items: center; gap: 7px; }
.carousel-controls > button { width: 38px; height: 38px; padding: 0; display: grid; place-items: center; color: #315e7b; border: 1px solid rgba(255,255,255,.72); border-radius: 50%; background: rgba(255,255,255,.66); box-shadow: 0 8px 24px rgba(28,91,132,.09); backdrop-filter: blur(12px); cursor: pointer; font: inherit; font-size: 22px; transition: background .2s ease, transform .2s ease; }
.carousel-controls > button:hover { background: rgba(255,255,255,.9); transform: translateY(-1px); }
.carousel-controls > button:focus-visible, .carousel-dots button:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.carousel-controls > .pause-control { margin-left: 4px; font-size: 11px; }
.carousel-dots { height: 38px; padding: 0 13px; display: flex; align-items: center; gap: 7px; border: 1px solid rgba(255,255,255,.72); border-radius: 999px; background: rgba(255,255,255,.66); backdrop-filter: blur(12px); }
.carousel-dots button { width: 7px; height: 7px; padding: 0; border: 0; border-radius: 999px; background: #9bbacc; cursor: pointer; transition: width .25s ease, background .25s ease; }
.carousel-dots button.is-active { width: 24px; background: var(--blue); }

.intro-strip { padding: 26px max(6vw, 28px); display: flex; align-items: center; justify-content: space-between; gap: 40px; background: #fff; border-top: 1px solid #dcecf5; border-bottom: 1px solid #dcecf5; }
.intro-strip > p { margin: 0; min-width: 190px; color: #7892a4; font-size: 11px; letter-spacing: .12em; }
.intro-strip > div { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); }
.intro-strip > div > span { padding: 0 30px; display: flex; flex-direction: column; gap: 5px; border-left: 1px solid #dfeef6; }
.intro-strip strong { font-size: 14px; }
.intro-strip small { color: #8199aa; font-size: 10px; }

.section { padding: 110px max(7vw, 28px); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 70px; }
.section-heading h2, .about-copy h2, .compliance-title h2, .contact-section h2 { margin: 0; font-size: clamp(34px, 3.7vw, 52px); line-height: 1.25; letter-spacing: -.035em; }
.section-heading > p { max-width: 430px; margin: 0 0 7px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.service-grid { margin-top: 58px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { min-height: 310px; padding: 30px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.82); box-shadow: 0 10px 30px rgba(45,112,153,.04); transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: 0 22px 45px rgba(45,112,153,.11); }
.service-icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 14px; background: #e9f7ff; }
.service-icon span { color: var(--blue); font-size: 12px; font-weight: 800; }
.service-card h3 { margin: 29px 0 13px; font-size: 21px; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.card-link { margin-top: auto; color: #4f7996; font-size: 12px; font-weight: 700; }
.card-link b { margin-left: 6px; color: var(--blue); }
.scope-note { max-width: 920px; margin: 24px auto 0; color: #859aa8; text-align: center; font-size: 11px; line-height: 1.7; }

.about { padding-top: 18px; }
.about-panel { min-height: 540px; display: grid; grid-template-columns: .9fr 1.1fr; overflow: hidden; border-radius: 28px; background: linear-gradient(90deg, #edf9ff 0%, #e7f7ff 45%, #0b83c9 45%, #1297d9 100%); box-shadow: 0 28px 70px rgba(20,116,173,.19); }
.about-art { position: relative; min-height: 440px; margin: 0; overflow: visible; isolation: isolate; }
.about-art::before { content: ''; position: absolute; z-index: -1; inset: 15% 4% 8%; border-radius: 50%; background: rgba(89,183,232,.14); filter: blur(18px); }
.about-art img {
  width: 112%;
  height: 100%;
  margin-left: -6%;
  display: block;
  object-fit: cover;
  object-position: center;
  opacity: .76;
  mix-blend-mode: multiply;
  filter: saturate(.64) contrast(1.04) brightness(1.1);
  -webkit-mask-image: radial-gradient(ellipse 80% 82% at center, #000 48%, rgba(0,0,0,.82) 68%, transparent 100%);
  mask-image: radial-gradient(ellipse 80% 82% at center, #000 48%, rgba(0,0,0,.82) 68%, transparent 100%);
}
.about-art figcaption { position: absolute; z-index: 1; left: 36px; bottom: 32px; padding: 11px 15px; display: flex; flex-direction: column; gap: 6px; color: #245a7a; border: 1px solid rgba(255,255,255,.72); border-radius: 12px; background: rgba(255,255,255,.62); box-shadow: 0 10px 30px rgba(35,108,152,.08); backdrop-filter: blur(12px); }
.about-art figcaption strong { font-size: 17px; letter-spacing: .12em; }
.about-art figcaption span { color: #6c8da2; font-size: 10px; letter-spacing: .09em; }
.about-copy { padding: 70px 8% 62px; color: white; display: flex; flex-direction: column; justify-content: center; }
.eyebrow.light { color: #bde9ff; }
.about-copy > p:not(.eyebrow) { margin: 25px 0 0; color: rgba(255,255,255,.78); font-size: 14px; line-height: 2; }
.about-copy dl { margin: 34px 0 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.18); }
.about-copy dl div { padding: 9px 0; display: grid; grid-template-columns: 90px 1fr; gap: 20px; }
.about-copy dt { color: rgba(255,255,255,.55); font-size: 11px; }
.about-copy dd { margin: 0; font-size: 12px; }

.compliance { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.compliance-title { position: sticky; top: 120px; }
.compliance-list { border-top: 1px solid var(--line); }
.compliance-list article { padding: 30px 0; display: grid; grid-template-columns: 50px 1fr; gap: 20px; border-bottom: 1px solid var(--line); }
.compliance-list article > b { color: #6dbbe7; font-size: 12px; }
.compliance-list h3 { margin: 0; font-size: 17px; }
.compliance-list p { margin: 9px 0 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

.contact-section { position: relative; isolation: isolate; overflow: hidden; min-height: 520px; padding: 82px max(7vw, 28px); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; color: white; background: #123b57; }
.contact-section::before { content: ""; position: absolute; inset: -8% 0; z-index: -2; background: url('assets/guangzhou-cbd-hero.png') center 58% / cover no-repeat; filter: saturate(.72) contrast(1.04); transform: scale(1.04); }
.contact-section::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(7,37,59,.97) 0%, rgba(10,47,72,.91) 48%, rgba(12,54,80,.78) 100%), linear-gradient(180deg, rgba(18,66,96,.18), rgba(5,32,50,.58)); }
.contact-section > * { position: relative; z-index: 1; }
.contact-card { padding: 28px 30px; border: 1px solid rgba(255,255,255,.2); border-radius: 18px; background: rgba(55,91,116,.48); box-shadow: 0 24px 60px rgba(2,24,39,.24); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.contact-card > span { color: #8ecbed; font-size: 10px; letter-spacing: .18em; }
.contact-card > strong { margin-top: 10px; display: block; font-size: 18px; }
.contact-card > div { margin-top: 23px; padding-top: 19px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid rgba(255,255,255,.12); }
.contact-card p { margin: 0; font-size: 12px; }
.contact-card p small { margin-bottom: 6px; display: block; color: rgba(255,255,255,.5); font-size: 9px; }
.contact-card .contact-note { margin-top: 22px; color: rgba(255,255,255,.48); font-size: 10px; }

footer { padding: 36px max(5vw, 24px); display: grid; grid-template-columns: 1.25fr .9fr 1.25fr; align-items: center; gap: 25px; color: #7890a0; background: #f8fcff; font-size: 10px; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.footer-brand .brand-mark { width: 34px; height: 34px; border-radius: 10px; font-size: 14px; }
.footer-brand div { display: flex; flex-direction: column; gap: 4px; }
.footer-brand strong { font-size: 11px; }
.footer-brand small { color: #8aa0af; font-size: 8px; letter-spacing: .2em; }
footer > p { text-align: center; }
.filing-links { display: flex; align-items: center; justify-content: flex-end; gap: 13px; }
.filing-links a { color: #4585ac; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 980px) {
  nav { gap: 20px; }
  nav a:not(.nav-contact) { display: none; }
  .hero-carousel, .carousel-content { min-height: 650px; }
  .carousel-content { max-width: 690px; }
  .carousel-shade { background: linear-gradient(90deg, rgba(241,250,255,.98) 0%, rgba(239,249,255,.94) 45%, rgba(235,247,255,.6) 72%, rgba(17,66,98,.14) 100%); }
  .intro-strip { align-items: flex-start; flex-direction: column; }
  .intro-strip > div { width: 100%; }
  .intro-strip > div > span:first-child { padding-left: 0; border-left: 0; }
  .section-heading { align-items: start; flex-direction: column; gap: 25px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 250px; }
  .about-panel { grid-template-columns: 1fr; }
  .about-panel { background: linear-gradient(180deg, #edf9ff 0%, #e7f7ff 42%, #0b83c9 42%, #1297d9 100%); }
  .about-art { min-height: 390px; }
  .compliance { grid-template-columns: 1fr; gap: 45px; }
  .compliance-title { position: static; }
  .contact-section { grid-template-columns: 1fr; gap: 46px; }
  .contact-section::before { background-position: 62% center; }
  .contact-section::after { background: linear-gradient(180deg, rgba(7,37,59,.94) 0%, rgba(8,43,66,.88) 54%, rgba(6,34,53,.91) 100%); }
  footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand, .filing-links { justify-content: center; }
  footer > p { order: 3; }
}

@media (max-width: 620px) {
  .notice-detail { display: none; }
  .site-header { height: 68px; }
  .brand-copy strong { font-size: 15px; }
  .brand-mark { width: 38px; height: 38px; }
  .nav-contact { padding: 9px 13px; font-size: 12px; }
  .hero-carousel, .carousel-content { min-height: 640px; }
  .carousel-content { padding-top: 82px; padding-bottom: 112px; }
  .carousel-content h1 { font-size: 42px; }
  .hero-summary { font-size: 15px; }
  .hero-points { flex-wrap: wrap; gap: 14px 20px; }
  .carousel-slide > img { opacity: .52; }
  .carousel-slide > img.skyline-slide { object-position: 62% center; }
  .carousel-slide > img.plaza-slide { object-position: 66% center; }
  .carousel-shade { background: linear-gradient(90deg, rgba(241,250,255,.97) 0%, rgba(239,249,255,.91) 70%, rgba(231,246,255,.55) 100%); }
  .carousel-controls { top: auto; right: auto; left: max(6vw, 22px); bottom: 28px; }
  .carousel-location { right: 22px; bottom: 86px; min-width: 165px; }
  .intro-strip > div { grid-template-columns: 1fr; gap: 20px; }
  .intro-strip > div > span { padding: 0; border-left: 0; }
  .section { padding-top: 78px; padding-bottom: 78px; }
  .section-heading h2, .about-copy h2, .compliance-title h2, .contact-section h2 { font-size: 34px; }
  .about { padding-top: 0; }
  .about-panel { border-radius: 20px; }
  .about-art { min-height: 310px; }
  .about-art figcaption { left: 25px; bottom: 24px; }
  .about-copy { padding: 48px 28px; }
  .about-copy dl div { grid-template-columns: 75px 1fr; }
  .contact-card > div { grid-template-columns: 1fr; }
  .filing-links { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}