:root {
  --bg: #0f1434;
  --bg-2: #151a3f;
  --card: rgba(255, 255, 255, 0.9);
  --card-soft: rgba(255, 255, 255, 0.12);
  --text: #17203d;
  --muted: #68708d;
  --light: #ffffff;
  --brand: #ffca45;
  --brand-2: #43e5ca;
  --accent: #6c7cff;
  --danger: #ff7aa8;
  --radius: 28px;
  --shadow: 0 24px 70px rgba(9, 12, 35, 0.18);
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(67,229,202,0.2), transparent 32rem), linear-gradient(180deg, #f6f7ff 0%, #ffffff 42%, #eef8ff 100%);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.skip-link {
  position: absolute; top: -48px; left: 16px; z-index: 20;
  background: var(--brand); color: #111831; padding: 10px 14px; border-radius: 999px;
}
.skip-link:focus { top: 12px; }
.site-header {
  position: sticky; top: 0; z-index: 10;
  max-width: var(--max); margin: 16px auto 0; padding: 12px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  background: rgba(255,255,255,0.78); backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.72); border-radius: 999px; box-shadow: var(--shadow);
}
.brand-lockup { display: inline-flex; align-items: center; gap: 10px; min-width: max-content; }
.brand-logo-img { width: 46px; height: 46px; border-radius: 16px; box-shadow: 0 10px 25px rgba(255,202,69,0.35); }
.brand-text { display: grid; line-height: 1.15; }
.brand-text strong { font-size: 1.1rem; letter-spacing: .02em; }
.brand-text em { font-style: normal; font-size: .76rem; color: var(--muted); }
.primary-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
.primary-nav a { padding: 10px 13px; border-radius: 999px; color: #29304d; font-size: .95rem; transition: .25s ease; }
.primary-nav a:hover, .primary-nav a.is-active { background: #111831; color: var(--light); transform: translateY(-1px); }
.nav-toggle { display: none; border: 0; border-radius: 999px; background: var(--bg); color: #fff; padding: 10px 16px; }
.search-panel {
  max-width: var(--max); margin: 14px auto 0; padding: 0 16px;
}
.search-form {
  display: flex; gap: 10px; background: rgba(255,255,255,.82); border: 1px solid rgba(255,255,255,.78);
  padding: 10px; border-radius: 24px; box-shadow: 0 16px 40px rgba(18,24,64,.10);
}
.search-form input { flex: 1; border: 0; outline: 0; background: #f5f7ff; border-radius: 18px; padding: 14px 16px; font-size: 1rem; }
.search-form button, .btn { border: 0; border-radius: 999px; padding: 13px 20px; font-weight: 800; cursor: pointer; transition: .25s ease; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.search-form button, .btn-primary { background: linear-gradient(135deg, var(--brand), #ff8db5); color: #111831; box-shadow: 0 14px 30px rgba(255,178,64,.35); }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.36); background: rgba(255,255,255,.12); }
.search-form button:hover, .btn:hover { transform: translateY(-2px); filter: saturate(1.08); }
.search-note { margin: 8px 6px 0; font-size: .9rem; color: var(--muted); }
.hero {
  max-width: var(--max); margin: 22px auto 0; padding: 74px 16px 44px; min-height: 680px;
  display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 28px;
  position: relative;
}
.hero:before {
  content: ""; position: absolute; inset: 20px 0 auto; height: 610px; border-radius: 46px;
  background: radial-gradient(circle at 25% 20%, rgba(255,202,69,.9), transparent 18rem), radial-gradient(circle at 85% 35%, rgba(67,229,202,.55), transparent 20rem), linear-gradient(135deg, var(--bg), #26306f 52%, #111831);
  z-index: -2; overflow: hidden;
}
.hero:after {
  content: ""; position: absolute; inset: 40px 24px 60px; border-radius: 40px; border: 1px solid rgba(255,255,255,.16);
  background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 36px 36px; z-index: -1; mask-image: linear-gradient(180deg, black, transparent 88%);
}
.hero-copy { color: #fff; padding: 18px 0 18px 32px; }
.eyebrow { color: #8beedc; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 8px; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 5.3rem); line-height: 1.05; margin: 0; letter-spacing: -.05em; }
.hero h1 span { color: var(--brand); }
.hero-copy p { max-width: 650px; color: rgba(255,255,255,.82); font-size: 1.08rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0; }
.hero-points, .metric-row { list-style: none; padding: 0; margin: 0; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-points li { padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.88); }
.hero-visual { padding-right: 26px; }
.hero-visual figure { margin: 0; position: relative; }
.hero-visual img { border-radius: 38px; box-shadow: 0 36px 90px rgba(0,0,0,.34); border: 1px solid rgba(255,255,255,.22); animation: floatCard 7s ease-in-out infinite; }
.hero-visual figcaption { color: rgba(255,255,255,.78); font-size: .9rem; margin-top: 12px; }
.domain-strip {
  max-width: var(--max); margin: 0 auto; padding: 18px 16px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.domain-pill { background: #fff; border-radius: 22px; padding: 16px; box-shadow: 0 14px 42px rgba(35,45,90,.08); border: 1px solid #edf0ff; }
.domain-pill b { display: block; font-size: 1.2rem; color: #111831; }
.section { max-width: var(--max); margin: 0 auto; padding: 74px 16px; }
.section-heading { max-width: 780px; margin-bottom: 28px; }
.section-heading.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-heading h2, .cta-band h2 { font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.12; letter-spacing: -.04em; margin: 0 0 12px; }
.section-heading p { color: var(--muted); margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.card, .service-card, .case-card, .review-card, .faq-item, .mini-card, .contact-card {
  background: rgba(255,255,255,.84); border: 1px solid #e9edff; border-radius: var(--radius); box-shadow: 0 20px 60px rgba(31,38,86,.08); overflow: hidden;
}
.card, .service-card, .review-card, .faq-item, .mini-card, .contact-card { padding: 24px; }
.card h3, .service-card h3, .case-card h3, .review-card h3, .faq-item h3, .mini-card h3, .contact-card h3 { margin-top: 0; }
.story-stack { display: grid; gap: 18px; }
.story-highlight { padding: 26px; border-radius: 32px; color: #fff; background: linear-gradient(135deg, #151a3f, #3945a3); min-height: 100%; display: grid; align-content: center; }
.story-highlight strong { font-size: 4rem; line-height: 1; color: var(--brand); }
.service-grid, .video-grid, .case-grid, .review-grid, .faq-grid, .mini-card-grid, .insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { position: relative; transition: .25s ease; }
.service-card:hover, .mini-card:hover, .review-card:hover, .case-card:hover { transform: translateY(-6px); box-shadow: 0 30px 80px rgba(31,38,86,.14); }
.service-icon { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: #111831; color: var(--brand); font-size: 1.4rem; font-weight: 900; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.tag-row span { background: #f0f4ff; color: #344069; padding: 6px 10px; border-radius: 999px; font-size: .82rem; }
.video-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.video-card { background: #fff; border-radius: 30px; border: 1px solid #e9edff; overflow: hidden; box-shadow: 0 18px 55px rgba(31,38,86,.10); transition: .25s ease; }
.video-card:hover { transform: translateY(-7px) scale(1.01); }
.video-thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #111831; }
.video-cover { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform .5s ease, filter .5s ease; }
.video-card:hover .video-cover { transform: scale(1.08); filter: brightness(.78) saturate(1.12); }
.play-button { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%) scale(.78); width: 72px; height: 72px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.92); color: #111831; font-size: 1.7rem; opacity: 0; transition: .28s ease; box-shadow: 0 20px 42px rgba(0,0,0,.24); }
.video-card:hover .play-button, .video-card.is-playing .play-button { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.video-card.is-playing .play-button { background: var(--brand); }
.video-duration { position: absolute; right: 14px; bottom: 14px; background: rgba(17,24,49,.82); color: #fff; padding: 4px 9px; border-radius: 999px; font-size: .82rem; }
.video-card-body { padding: 20px; }
.video-card h3 { margin: 0 0 10px; font-size: 1.1rem; }
.video-card p { color: var(--muted); margin: 0; }
.metric-row { border-top: 1px solid #eef1ff; padding-top: 14px; margin-top: 16px; }
.metric-row li { flex: 1; min-width: 86px; }
.metric-row b { display: block; color: #111831; }
.metric-row span { font-size: .8rem; color: var(--muted); }
.case-card { padding: 0; }
.case-card img { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; }
.case-card-content { padding: 22px; }
.case-metric { display: inline-flex; margin-top: 12px; padding: 8px 12px; background: #111831; color: var(--brand); border-radius: 999px; font-weight: 900; }
.soft-section { background: linear-gradient(135deg, rgba(255,255,255,.54), rgba(233,251,255,.76)); border-radius: 42px; }
.insight-grid { grid-template-columns: repeat(4, 1fr); }
.insight-card { padding: 22px; border-radius: 26px; background: #111831; color: #fff; min-height: 260px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.insight-card:after { content: ""; position: absolute; width: 160px; height: 160px; right: -60px; bottom: -60px; border-radius: 50%; background: rgba(255,202,69,.22); }
.insight-card p { color: rgba(255,255,255,.75); }
.review-card { display: grid; gap: 10px; }
.review-card .rating { color: #d79500; font-weight: 900; }
.badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0 0; }
.badge-row span { padding: 10px 14px; border-radius: 999px; background: #111831; color: #fff; }
.faq-grid { grid-template-columns: repeat(2, 1fr); }
.faq-item h3 { font-size: 1.02rem; }
.contact-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; align-items: stretch; }
.map-placeholder { min-height: 280px; border-radius: 28px; background: radial-gradient(circle at 30% 25%, rgba(255,202,69,.9), transparent 9rem), linear-gradient(135deg, #151a3f, #3844a3); color: #fff; padding: 28px; display: grid; align-content: end; position: relative; overflow: hidden; }
.map-placeholder:before { content: ""; position: absolute; inset: 28px; border: 1px solid rgba(255,255,255,.18); border-radius: 22px; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 30px 30px; }
.qr-row { display: flex; gap: 16px; flex-wrap: wrap; }
.qr-row figure, .footer-qr figure { margin: 0; }
.qr-img { width: 132px; height: 132px; border-radius: 24px; border: 8px solid #fff; box-shadow: 0 16px 38px rgba(31,38,86,.12); }
.breadcrumb { max-width: var(--max); margin: 24px auto 0; padding: 0 16px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: #273162; font-weight: 800; }
.page-hero { max-width: var(--max); margin: 24px auto 0; padding: 72px 16px; display: grid; grid-template-columns: .95fr 1.05fr; gap: 30px; align-items: center; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 4.6rem); line-height: 1.08; letter-spacing: -.04em; margin: 0 0 16px; }
.page-hero p { color: var(--muted); font-size: 1.08rem; }
.page-hero figure { margin: 0; }
.page-hero img { border-radius: 36px; box-shadow: var(--shadow); }
.feature-list { display: grid; gap: 16px; }
.feature-item { padding: 20px; border-radius: 24px; background: #fff; border: 1px solid #e9edff; }
.feature-item h3 { margin: 0 0 6px; }
.cta-band { max-width: var(--max); margin: 20px auto 82px; padding: 34px; border-radius: 34px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: #fff; background: linear-gradient(135deg, #111831, #3945a3); box-shadow: var(--shadow); }
.site-footer { background: #0d1230; color: rgba(255,255,255,.82); padding: 54px 16px 24px; }
.footer-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr .8fr; gap: 28px; }
.footer-brand p { max-width: 520px; }
.brand-lockup-footer .brand-text strong { color: #fff; }
.brand-lockup-footer .brand-text em { color: rgba(255,255,255,.68); }
.footer-qr { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-qr figcaption { font-size: .85rem; margin-top: 8px; color: rgba(255,255,255,.7); }
.footer-links { display: grid; align-content: start; gap: 10px; }
.footer-links h2 { margin: 0 0 8px; color: #fff; font-size: 1.1rem; }
.footer-links a { color: rgba(255,255,255,.75); }
.footer-links a:hover { color: var(--brand); }
.footer-bottom { max-width: var(--max); margin: 30px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); display: flex; gap: 14px; flex-wrap: wrap; justify-content: space-between; font-size: .9rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
@keyframes floatCard { 0%, 100% { transform: translateY(0) rotate(.3deg); } 50% { transform: translateY(-14px) rotate(-.5deg); } }
@media (max-width: 980px) {
  .site-header { border-radius: 28px; align-items: flex-start; }
  .nav-toggle { display: inline-flex; }
  .primary-nav { position: absolute; top: 70px; right: 16px; left: 16px; padding: 14px; background: rgba(255,255,255,.96); border-radius: 24px; box-shadow: var(--shadow); display: none; }
  .primary-nav.is-open { display: grid; }
  .hero, .page-hero, .grid-2, .contact-wrap { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; }
  .hero:before { height: 100%; }
  .hero-copy { padding: 18px 24px; }
  .hero-visual { padding: 0 24px 28px; }
  .domain-strip, .service-grid, .video-grid, .case-grid, .review-grid, .faq-grid, .insight-grid, .mini-card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .site-header { margin: 10px 10px 0; }
  .brand-text em { display: none; }
  .search-form { flex-direction: column; }
  .domain-strip, .service-grid, .video-grid, .case-grid, .review-grid, .faq-grid, .insight-grid, .mini-card-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero h1, .page-hero h1 { letter-spacing: -.03em; }
  .hero-points { display: grid; }
  .cta-band { flex-direction: column; align-items: flex-start; margin-left: 16px; margin-right: 16px; }
  .footer-bottom { display: grid; }
}
