*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-blue: #00C8FF;
  --c-green: #39FF14;
  --c-bg: #0A0E17;
  --c-bg-deep: #060A10;
  --c-surface: #0F4C5C;
  --c-wine: #722F37;
  --c-text: #E5E7EB;
  --c-text-strong: #FFFFFF;
  --c-data: #FBBF24;
  --c-grid: #1F2937;
  --c-grid-soft: #16202E;
  --gradient-primary: linear-gradient(90deg, #00C8FF 0%, #39FF14 100%);
  --gradient-wine: linear-gradient(135deg, #722F37 0%, #4A1D24 100%);
  --font-display: "Roboto Condensed", "Arial Narrow", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", "Consolas", "Liberation Mono", monospace;
  --container: 1200px;
  --radius: 0px;
  --gap: 24px;
  --header-z: 900;
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px;
}

html { background: var(--c-bg); scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); font-size: 16px; line-height: 1.7; color: var(--c-text); background: var(--c-bg); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); color: var(--c-text-strong); line-height: 1.2; font-weight: 900; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
strong { color: var(--c-text-strong); }
::selection { background: var(--c-blue); color: var(--c-bg); }
:focus-visible { outline: 2px solid var(--c-blue); outline-offset: 3px; }
.skip-link:focus-visible { outline-color: var(--c-green); }

.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
#main-content { position: relative; padding-top: 96px; min-height: 60vh; }

.skip-link { position: fixed; top: -64px; left: 24px; z-index: 2000; padding: 10px 20px; background: var(--c-green); color: var(--c-bg); font-family: var(--font-display); font-weight: 900; font-size: 14px; letter-spacing: 0.06em; border-radius: 2px; pointer-events: auto; transition: top 0.2s ease; }
.skip-link:focus-visible { top: 24px; }

.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: calc(var(--header-z) + 20); pointer-events: none; }
.scroll-progress span { display: block; width: 100%; height: 100%; background: var(--gradient-primary); transform: scaleX(0); transform-origin: left center; will-change: transform; }

.site-header { position: fixed; inset: 0 0 auto 0; z-index: var(--header-z); display: flex; justify-content: center; padding: 12px 24px 0; pointer-events: none; transition: padding 0.3s ease; }
.site-header[data-scrolled="true"] { padding-top: 8px; }
.nav-capsule { position: relative; pointer-events: auto; display: flex; align-items: center; gap: 24px; width: min(100%, var(--container)); padding: 6px 8px 6px 20px; background: rgba(10, 14, 23, 0.72); border: 1px solid var(--c-grid); border-radius: 999px; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35); transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease; }
.site-header[data-scrolled="true"] .nav-capsule { background: rgba(6, 10, 16, 0.86); border-color: rgba(0, 200, 255, 0.3); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); }

.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; flex: 0 0 auto; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; background: var(--gradient-primary); color: var(--c-bg); font-family: var(--font-display); font-weight: 900; font-size: 20px; border-radius: 2px; }
.brand-text { display: inline-flex; align-items: baseline; gap: 6px; }
.brand-name { font-family: var(--font-display); font-weight: 900; font-size: 18px; color: var(--c-text-strong); letter-spacing: 0.02em; white-space: nowrap; }
.brand-tag { font-family: var(--font-mono); font-size: 11px; color: var(--c-blue); border: 1px solid rgba(0, 200, 255, 0.4); padding: 1px 6px; border-radius: 2px; line-height: 1.4; }

.site-nav { display: flex; align-items: center; gap: 12px; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-link { position: relative; display: inline-block; padding: 8px 12px; font-size: 14px; font-weight: 700; letter-spacing: 0.04em; color: var(--c-text); border-radius: 999px; white-space: nowrap; transition: color 0.2s ease, background 0.2s ease; }
.nav-link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; background: var(--gradient-primary); transform: scaleX(0); transform-origin: left center; transition: transform 0.25s ease; }
.nav-link:hover { color: var(--c-text-strong); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: var(--c-blue); background: rgba(0, 200, 255, 0.08); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-link[data-active="true"] { color: var(--c-green); }
.nav-link[data-active="true"]::after { transform: scaleX(1); background: var(--c-green); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 22px; font-family: var(--font-display); font-weight: 900; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; border: 1px solid transparent; border-radius: 2px; cursor: pointer; white-space: nowrap; transition: box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease, background 0.2s ease; }
.btn-primary { background: var(--gradient-primary); color: var(--c-bg); }
.btn-primary:hover { box-shadow: 0 0 24px rgba(0, 200, 255, 0.35); }
.btn-ghost { background: transparent; border-color: var(--c-grid); color: var(--c-text); }
.btn-ghost:hover { border-color: var(--c-blue); color: var(--c-blue); }
.btn-nav-cta { padding: 8px 16px; font-size: 13px; flex: 0 0 auto; }

.nav-toggle { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px; width: 44px; height: 44px; border: 1px solid var(--c-grid); border-radius: 999px; background: rgba(10, 14, 23, 0.6); cursor: pointer; transition: border-color 0.2s ease; }
.nav-toggle:hover { border-color: var(--c-blue); }
.nav-toggle-line { width: 20px; height: 2px; background: var(--c-text); border-radius: 1px; transition: transform 0.25s ease, background 0.25s ease; }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--c-green); }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) { transform: scaleX(0); }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--c-green); }
.nav-toggle-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.site-footer { position: relative; background: var(--c-bg-deep); border-top: 1px solid var(--c-grid); }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--gradient-primary); opacity: 0.6; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-top: 64px; padding-bottom: 48px; }
.footer-brand { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.footer-logo { display: inline-flex; align-items: baseline; gap: 6px; font-family: var(--font-display); font-weight: 900; font-size: 24px; color: var(--c-text-strong); }
.footer-logo span { font-family: var(--font-mono); font-size: 13px; color: var(--c-blue); border: 1px solid rgba(0, 200, 255, 0.4); padding: 1px 8px; border-radius: 2px; }
.footer-slogan { font-family: var(--font-display); font-weight: 700; font-size: 18px; color: var(--c-green); letter-spacing: 0.12em; }
.footer-trust { font-size: 13px; line-height: 1.8; color: rgba(229, 231, 235, 0.8); max-width: 40ch; }
.footer-col { min-width: 0; }
.footer-title { font-family: var(--font-mono); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.18em; color: var(--c-blue); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--c-grid); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { display: inline-flex; align-items: baseline; font-size: 14px; line-height: 1.6; color: var(--c-text); transition: color 0.2s ease; }
.footer-links a::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; background: var(--c-green); margin-right: 10px; align-self: center; opacity: 0.7; }
.footer-links a:hover { color: var(--c-green); }
.footer-contact-list li { display: flex; flex-direction: column; gap: 2px; padding: 4px 0; }
.contact-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--c-blue); }
.contact-value { font-size: 13px; color: var(--c-text); overflow-wrap: anywhere; }
.contact-note { font-size: 12px; color: rgba(229, 231, 235, 0.6); line-height: 1.7; margin-top: 8px; }
.footer-bottom { border-top: 1px solid var(--c-grid); padding: 16px 0; }
.footer-bottom-inner { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; font-family: var(--font-mono); font-size: 12px; color: rgba(229, 231, 235, 0.6); }
.footer-bottom-inner p { display: inline-flex; align-items: center; gap: 8px; }
.footer-slogan-mini { margin-left: auto; color: var(--c-green); letter-spacing: 0.2em; }

.section { position: relative; padding: 80px 0; }
.section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 32px; }
.section-index { font-family: var(--font-mono); font-weight: 700; font-size: 40px; line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--c-blue); opacity: 0.7; }
.section-title { font-family: var(--font-display); font-size: clamp(24px, 4vw, 44px); font-weight: 900; letter-spacing: 0.02em; }
.section-note { writing-mode: vertical-rl; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--c-text); opacity: 0.55; margin-left: auto; }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gap); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.data-card { position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(15, 76, 92, 0.55) 0%, rgba(15, 76, 92, 0.25) 100%); border: 1px solid var(--c-grid); border-radius: var(--radius); padding: 24px; transition: border-color 0.2s ease, transform 0.2s ease; }
.data-card::before { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: var(--gradient-primary); opacity: 0; transition: opacity 0.3s ease; }
.data-card:hover { border-color: rgba(0, 200, 255, 0.4); }
.data-card:hover::before { opacity: 1; }
.data-card[data-highlight="wine"] { background: var(--gradient-wine); border-color: rgba(114, 47, 55, 0.8); }
.data-card[data-highlight="wine"]::before { background: var(--c-data); }
.card-label { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-blue); }
.card-label::before { content: ""; width: 16px; height: 1px; background: var(--c-green); }
.card-value { font-family: var(--font-mono); font-size: 28px; font-weight: 700; color: var(--c-data); line-height: 1.3; }
.card-title { font-family: var(--font-display); font-size: 16px; font-weight: 900; color: var(--c-text-strong); margin-top: 8px; }
.exhibition-tag { display: inline-flex; align-items: center; gap: 8px; padding: 4px 12px; border: 1px solid var(--c-grid); background: rgba(10, 14, 23, 0.6); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--c-text); }
.exhibition-tag em { font-style: normal; color: var(--c-green); }
.plate { background: rgba(10, 14, 23, 0.75); border-left: 3px solid var(--c-blue); padding: 20px 24px; font-size: 14px; line-height: 1.9; color: var(--c-text); }
.breadcrumbs { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px; font-family: var(--font-mono); font-size: 12px; color: rgba(229, 231, 235, 0.6); padding: 16px 0; }
.breadcrumbs a { color: var(--c-blue); transition: color 0.2s ease; }
.breadcrumbs a:hover { color: var(--c-green); }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--c-grid); }
.breadcrumbs [aria-current="page"] { color: var(--c-text-strong); }
.zone-bluegreen { background: linear-gradient(180deg, rgba(15, 76, 92, 0.35) 0%, rgba(15, 76, 92, 0) 100%); }
.zone-wine { background: linear-gradient(180deg, rgba(114, 47, 55, 0.28) 0%, rgba(114, 47, 55, 0) 100%); }
.accent-bar { height: 10px; background: linear-gradient(90deg, var(--c-blue) 0%, var(--c-green) 100%); clip-path: polygon(0 0, 100% 0, calc(100% - 42px) 100%, 0 100%); margin: 8px 0; }
.img-frame { position: relative; display: grid; place-items: center; min-height: 220px; background: var(--c-surface); border: 1px solid var(--c-grid); border-radius: var(--radius); overflow: hidden; }
.img-frame::after { content: "IMAGE"; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.3em; color: rgba(229, 231, 235, 0.35); pointer-events: none; }
.img-frame.has-image::after { content: ""; }
.img-frame[data-ratio="wide"] { aspect-ratio: 16 / 9; }
.img-frame[data-ratio="square"] { aspect-ratio: 1; }
.img-cover { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.img-cover img { width: 100%; height: 100%; object-fit: cover; }
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
[data-reveal][data-revealed="true"] { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav-capsule { padding: 6px 8px 6px 16px; }
  .nav-toggle { display: inline-flex; }
  .site-nav { position: absolute; top: calc(100% - 4px); left: 8px; right: 8px; display: none; flex-direction: column; align-items: stretch; gap: 6px; background: rgba(6, 10, 16, 0.97); border: 1px solid var(--c-grid); border-radius: 16px; padding: 12px; box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6); }
  .site-nav[data-open="true"] { display: flex; animation: navIn 0.2s ease-out; }
  .nav-list { flex-direction: column; gap: 2px; width: 100%; }
  .nav-link { display: block; width: 100%; padding: 12px 16px; font-size: 15px; }
  .nav-link::after { display: none; }
  .btn-nav-cta { width: 100%; margin-top: 4px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 56px 0; }
}
@keyframes navIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 600px) {
  .container { width: min(100% - 32px, var(--container)); }
  .footer-main { grid-template-columns: 1fr; }
  .footer-slogan-mini { margin-left: 0; }
  .card-grid { grid-template-columns: 1fr; }
  .grid-12 { gap: 16px; }
  .brand-tag { display: none; }
  .section-head { flex-wrap: wrap; }
  .section-note { writing-mode: horizontal-tb; margin-left: 0; }
}
@media (max-width: 420px) {
  .brand-name { font-size: 16px; }
  .nav-capsule { gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .scroll-progress span { transition: none; }
  .nav-link::after, .data-card::before, .btn, .nav-toggle-line, .header, .nav-capsule { transition: none; }
}