:root {
    --bg: #070707;
    --panel: #101010;
    --panel-soft: #171717;
    --line: rgba(214, 183, 112, .22);
    --gold: #d6b770;
    --gold-soft: #f0dfb2;
    --text: #f5f1e8;
    --muted: #b7b0a5;
    --deep: #020202;
    --shadow: 0 24px 70px rgba(0, 0, 0, .34);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 18% 8%, rgba(214, 183, 112, .14), transparent 28rem),
        linear-gradient(180deg, #080808 0%, #111 46%, #050505 100%);
    line-height: 1.75;
    min-width: 320px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
.site-header { padding: 14px clamp(16px, 4vw, 54px) 0; }
.topbar {
    display: flex;
    gap: 14px;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    font-size: 13px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-shell {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 18px 0;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    letter-spacing: .16em;
    font-weight: 700;
    font-size: 19px;
    white-space: nowrap;
}
.logo-mark {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--gold-soft);
    background: linear-gradient(145deg, rgba(214,183,112,.22), rgba(255,255,255,.03));
    box-shadow: inset 0 0 30px rgba(214,183,112,.08);
}
.nav-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}
.nav-links a {
    color: var(--muted);
    padding: 10px 13px;
    border-radius: 999px;
    font-size: 14px;
    transition: color .2s ease, background .2s ease;
}
.nav-links a:hover, .nav-links a.is-active {
    color: var(--gold-soft);
    background: rgba(214, 183, 112, .1);
}
.search-panel {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 16px;
    border: 1px solid rgba(214,183,112,.16);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,.035);
    backdrop-filter: blur(14px);
}
.search-panel input {
    width: 100%;
    min-width: 0;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 999px;
    color: var(--text);
    background: rgba(0,0,0,.34);
    padding: 12px 18px;
    outline: none;
}
.search-panel input:focus { border-color: rgba(214,183,112,.58); }
.search-panel button, .btn, .ghost-btn {
    cursor: pointer;
    border: 0;
    border-radius: 999px;
    padding: 12px 20px;
    color: #16110a;
    background: linear-gradient(135deg, var(--gold-soft), var(--gold));
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(214,183,112,.18);
}
.search-panel p {
    grid-column: 1 / -1;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}
main { overflow: hidden; }
.hero {
    padding: clamp(56px, 10vw, 118px) clamp(16px, 4vw, 54px) 48px;
}
.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(290px, .97fr);
    gap: clamp(28px, 6vw, 74px);
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gold-soft);
    letter-spacing: .24em;
    font-size: 12px;
    text-transform: uppercase;
    margin: 0 0 18px;
}
.eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: var(--gold);
}
h1, h2, h3, h4 { line-height: 1.18; margin: 0; }
h1 {
    font-size: clamp(38px, 8vw, 82px);
    letter-spacing: -.05em;
    max-width: 900px;
}
.hero p, .section-lead {
    color: var(--muted);
    font-size: clamp(16px, 2.2vw, 19px);
    max-width: 760px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0; }
.ghost-btn {
    background: transparent;
    color: var(--gold-soft);
    border: 1px solid var(--line);
    box-shadow: none;
}
.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 26px;
}
.metric-card {
    padding: 18px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.04);
}
.metric-card strong { display: block; font-size: 26px; color: var(--gold-soft); }
.metric-card span { color: var(--muted); font-size: 13px; }
.hero-visual {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid rgba(214,183,112,.18);
    background: var(--panel);
}
.hero-visual img { aspect-ratio: 4 / 5; object-fit: cover; opacity: .86; }
.visual-caption {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 18px;
    padding: 16px;
    color: var(--gold-soft);
    border: 1px solid rgba(214,183,112,.2);
    border-radius: 20px;
    background: rgba(0,0,0,.58);
    backdrop-filter: blur(10px);
}
.section {
    padding: clamp(54px, 8vw, 98px) clamp(16px, 4vw, 54px);
}
.section-inner { max-width: 1180px; margin: 0 auto; }
.section-head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-end;
    margin-bottom: 34px;
}
.section-head h2 { font-size: clamp(28px, 5vw, 52px); letter-spacing: -.04em; }
.section-kicker { color: var(--gold-soft); letter-spacing: .2em; font-size: 12px; margin: 0 0 12px; }
.grid-3, .grid-4, .review-grid, .faq-grid {
    display: grid;
    gap: 18px;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card, .service-card, .process-card, .review-card, .faq-item, .contact-card, .data-card {
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
    padding: 24px;
    box-shadow: 0 16px 60px rgba(0,0,0,.18);
}
.service-card h3, .process-card h3, .review-card h3, .faq-item h3 { color: var(--gold-soft); margin-bottom: 12px; }
.service-card p, .process-card p, .review-card p, .faq-item p, .data-card p { color: var(--muted); margin-bottom: 0; }
.icon-dot {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    margin-bottom: 16px;
    color: #120f08;
    background: var(--gold);
    font-weight: 800;
}
.process-card .step { color: var(--gold); font-size: 13px; letter-spacing: .18em; }
.space-feature {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 24px;
    align-items: center;
}
.space-feature figure {
    margin: 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--panel);
}
.space-feature img { aspect-ratio: 16 / 10; object-fit: cover; }
.space-feature figcaption { color: var(--muted); padding: 14px 18px; font-size: 14px; }
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}
.video-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--panel);
    border: 1px solid rgba(214,183,112,.16);
    min-height: 100%;
}
.video-thumb { position: relative; overflow: hidden; background: #000; }
.video-thumb video, .video-thumb img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    opacity: .82;
    transform: scale(1.01);
    transition: transform .35s ease, opacity .35s ease;
}
.play-overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    opacity: 0;
    background: rgba(0,0,0,.26);
    transition: opacity .25s ease;
}
.play-overlay span {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(240,223,178,.95);
    color: #090909;
    font-weight: 900;
    padding-left: 4px;
}
.video-card:hover .play-overlay, .video-card:focus-within .play-overlay { opacity: 1; }
.video-card:hover video, .video-card:hover img { transform: scale(1.06); opacity: .96; }
.video-body { padding: 20px; }
.video-body h3 { font-size: 20px; margin-bottom: 10px; }
.video-body p { color: var(--muted); margin: 0 0 14px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.tags span {
    display: inline-flex;
    border: 1px solid rgba(214,183,112,.18);
    color: var(--gold-soft);
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
}
.stats {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--muted);
    font-size: 13px;
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 14px;
}
.review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.review-card blockquote { margin: 0; color: var(--text); }
.review-card cite { display: block; margin-top: 16px; color: var(--gold-soft); font-style: normal; }
.faq-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.contact-layout {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 20px;
}
.contact-card ul, .contact-list { list-style: none; padding: 0; margin: 0; }
.contact-card li, .contact-list li { margin: 10px 0; color: var(--muted); }
.form-grid { display: grid; gap: 12px; }
.form-grid input, .form-grid textarea, .form-grid select {
    width: 100%;
    color: var(--text);
    background: rgba(0,0,0,.3);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 18px;
    padding: 13px 15px;
    outline: none;
}
.form-grid textarea { min-height: 112px; resize: vertical; }
.data-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}
.data-card code {
    display: block;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--gold-soft);
    font-size: 12px;
}
.breadcrumb {
    padding: 28px clamp(16px, 4vw, 54px) 0;
    color: var(--muted);
    font-size: 14px;
}
.breadcrumb a { color: var(--gold-soft); }
.page-hero { padding-top: 52px; }
.site-footer {
    padding: 54px clamp(16px, 4vw, 54px) 24px;
    border-top: 1px solid rgba(255,255,255,.08);
    background: #050505;
}
.footer-grid {
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr .9fr .9fr;
    gap: 24px;
}
.footer-grid h2 { font-size: 18px; color: var(--gold-soft); margin-bottom: 12px; }
.footer-grid p { color: var(--muted); }
.footer-bottom {
    max-width: 1180px;
    margin: 30px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.08);
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    justify-content: space-between;
    color: var(--muted);
    font-size: 14px;
}
@media (max-width: 980px) {
    .hero-inner, .space-feature, .contact-layout { grid-template-columns: 1fr; }
    .grid-3, .video-grid, .footer-grid, .data-strip { grid-template-columns: 1fr 1fr; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .section-head { display: block; }
}
@media (max-width: 680px) {
    .topbar, .nav-shell { align-items: flex-start; flex-direction: column; }
    .nav-links { justify-content: flex-start; }
    .search-panel { grid-template-columns: 1fr; border-radius: 22px; }
    .hero { padding-top: 42px; }
    .hero-metrics, .grid-3, .grid-4, .video-grid, .review-grid, .faq-grid, .footer-grid, .data-strip { grid-template-columns: 1fr; }
    .card, .service-card, .process-card, .review-card, .faq-item, .contact-card, .data-card { padding: 20px; }
    .stats { flex-wrap: wrap; }
}