:root {
  --black: #050506;
  --ink: #111113;
  --panel: #18191b;
  --panel-soft: #202124;
  --gray: #8f9297;
  --text: #f5f1e9;
  --muted: #c7c0b4;
  --gold: #d8b56d;
  --gold-soft: #f1d99f;
  --line: rgba(216,181,109,.22);
  --shadow: 0 30px 80px rgba(0,0,0,.38);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body { margin: 0; color: var(--text); background: radial-gradient(circle at top left, rgba(216,181,109,.13), transparent 34rem), linear-gradient(180deg, #050506 0%, #101012 52%, #070708 100%); line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; height: auto; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(18px); background: rgba(5,5,6,.82); border-bottom: 1px solid var(--line); }
.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 74px; gap: 18px; }
.logo { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .12em; }
.logo img { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); }
.logo strong { font-size: 1.08rem; color: var(--gold-soft); }
.logo span { display: block; font-size: .72rem; color: var(--muted); letter-spacing: .18em; text-transform: uppercase; }
.nav-toggle { display: none; background: transparent; color: var(--gold-soft); border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; }
.site-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav a { padding: 10px 13px; border-radius: 999px; color: var(--muted); font-size: .94rem; transition: .22s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: rgba(216,181,109,.11); color: var(--gold-soft); }
.search-row { border-top: 1px solid rgba(216,181,109,.11); padding: 12px 0 16px; }
.search-form { display: flex; gap: 10px; background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 999px; padding: 6px; box-shadow: inset 0 1px 0 rgba(255,255,255,.04); }
.search-form input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--text); padding: 10px 16px; font-size: 1rem; }
.search-form button, .btn { border: 0; border-radius: 999px; background: linear-gradient(135deg, #e8c477, #9d7730); color: #111; font-weight: 700; padding: 11px 18px; cursor: pointer; box-shadow: 0 14px 30px rgba(216,181,109,.17); }
.search-tip { margin: 8px 16px 0; color: var(--gray); font-size: .88rem; min-height: 1.5em; }
.hero { position: relative; overflow: hidden; padding: clamp(64px, 8vw, 120px) 0 70px; }
.hero:before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.84), rgba(0,0,0,.42), rgba(0,0,0,.86)), url('/assets/images/hero.webp') center/cover no-repeat; opacity: .92; }
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1.05fr) minmax(280px,.95fr); gap: clamp(24px, 5vw, 70px); align-items: center; }
.kicker { color: var(--gold-soft); letter-spacing: .22em; font-size: .78rem; text-transform: uppercase; margin-bottom: 14px; }
h1, h2, h3, h4 { margin: 0 0 14px; line-height: 1.18; letter-spacing: -.02em; }
h1 { font-size: clamp(2.25rem, 7vw, 5.8rem); max-width: 820px; }
h2 { font-size: clamp(1.75rem, 4vw, 3.4rem); }
h3 { font-size: 1.25rem; color: var(--gold-soft); }
p { margin: 0 0 16px; color: var(--muted); }
.lead { font-size: clamp(1.05rem, 2vw, 1.28rem); max-width: 720px; color: #ded7ca; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.btn.secondary { background: transparent; color: var(--gold-soft); border: 1px solid var(--line); box-shadow: none; }
.trust-strip { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin-top: 26px; }
.trust-item { border: 1px solid var(--line); background: rgba(12,12,14,.62); padding: 16px; border-radius: 20px; }
.trust-item b { display: block; color: var(--gold-soft); font-size: 1.25rem; }
.hero-card { background: rgba(14,15,17,.72); border: 1px solid var(--line); border-radius: 34px; padding: 18px; box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.hero-card img { border-radius: 24px; aspect-ratio: 4/3; object-fit: cover; }
.image-note { font-size: .78rem; color: var(--gray); margin: 10px 4px 0; }
.section { padding: clamp(58px, 8vw, 112px) 0; border-top: 1px solid rgba(216,181,109,.1); }
.section-head { display: flex; justify-content: space-between; gap: 22px; align-items: end; margin-bottom: 34px; }
.section-head p { max-width: 620px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
.card { border: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.018)); border-radius: 28px; padding: 24px; box-shadow: 0 20px 50px rgba(0,0,0,.18); }
.card img { border-radius: 20px; aspect-ratio: 4/3; object-fit: cover; margin-bottom: 18px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.badge { color: var(--gold-soft); border: 1px solid var(--line); background: rgba(216,181,109,.08); border-radius: 999px; padding: 5px 10px; font-size: .82rem; }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { counter-increment: step; display: grid; grid-template-columns: 70px 1fr; gap: 18px; align-items: start; padding: 22px; border-radius: 26px; border: 1px solid var(--line); background: rgba(255,255,255,.03); }
.step:before { content: counter(step, decimal-leading-zero); color: var(--gold-soft); font-size: 1.35rem; letter-spacing: .12em; }
.video-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.video-card { position: relative; overflow: hidden; border-radius: 28px; border: 1px solid var(--line); background: #0f1012; box-shadow: 0 24px 60px rgba(0,0,0,.2); }
.video-shell { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.video-shell video, .video-shell img { width: 100%; height: 100%; object-fit: cover; opacity: .82; transition: transform .4s ease, opacity .4s ease; }
.video-card:hover .video-shell img, .video-card:hover .video-shell video { transform: scale(1.05); opacity: .98; }
.play { position: absolute; inset: auto auto 20px 20px; width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: rgba(216,181,109,.92); color: #111; transform: translateY(14px); opacity: 0; transition: .22s ease; font-weight: 900; }
.video-card:hover .play, .video-card:focus-within .play { opacity: 1; transform: translateY(0); }
.video-body { padding: 20px; }
.metrics { display: flex; flex-wrap: wrap; gap: 10px; color: var(--gray); font-size: .88rem; }
.quote { position: relative; padding-left: 22px; }
.quote:before { content: "“"; position: absolute; left: 0; top: -14px; color: var(--gold); font-size: 3rem; opacity: .55; }
.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.03); padding: 18px 20px; }
summary { cursor: pointer; color: var(--gold-soft); font-weight: 700; }
.cta { text-align: center; padding: clamp(46px, 8vw, 90px); border: 1px solid var(--line); border-radius: 36px; background: radial-gradient(circle at center, rgba(216,181,109,.18), rgba(255,255,255,.03) 45%, rgba(255,255,255,.015)); box-shadow: var(--shadow); }
.contact-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.info-list li { padding: 14px 16px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.03); color: var(--muted); }
.info-list b { color: var(--gold-soft); }
.breadcrumb { padding: 18px 0 0; color: var(--gray); font-size: .9rem; }
.breadcrumb a { color: var(--gold-soft); }
.page-hero { padding: 64px 0 42px; }
.content-prose { max-width: 880px; }
.content-prose ul { color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); background: #050506; padding: 48px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 24px; }
.footer-grid a { color: var(--muted); display: block; margin-bottom: 7px; }
.footer-bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(216,181,109,.12); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--gray); font-size: .9rem; }
.notice { border-left: 3px solid var(--gold); padding: 12px 16px; background: rgba(216,181,109,.08); border-radius: 10px; color: var(--muted); }
@media (max-width: 920px) {
  .hero .container, .grid-3, .grid-2, .video-grid, .contact-panel, .footer-grid { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .trust-strip { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; width: 100%; padding: 10px 0 16px; }
  .site-nav.open { display: flex; }
  .topbar { flex-wrap: wrap; }
  .search-form { border-radius: 24px; align-items: stretch; }
  .search-form button { min-width: 96px; }
}