:root {
  --color-primary: #0A2342;
  --color-primary-deep: #07172E;
  --color-primary-light: #0F315E;
  --color-gold: #C9A227;
  --color-gold-light: #E0C568;
  --color-gold-deep: #A5821D;
  --color-stone: #6B737B;
  --color-moss: #5B7B6A;
  --color-terra: #B05C3C;
  --color-cream: #F5F0E6;
  --color-fog: #D8E0E8;
  --color-text: #E6E0D2;
  --color-text-alt: #A9B0B0;
  --bg-body: linear-gradient(180deg, #0A2342, #0F315E);
  --font-title: 'Playfair Display', 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --container-width: 1200px;
  --header-height: 76px;
  --header-shrink: 62px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body { font-family: var(--font-body); font-weight: 400; line-height: 1.6; color: var(--color-text); background: var(--bg-body); background-attachment: fixed; min-height: 100vh; text-rendering: optimizeLegibility; }

main { display: block; }

img, svg { display: block; max-width: 100%; }

a { color: var(--color-gold); text-decoration: none; transition: color .2s ease; }

button { font-family: inherit; font-size: inherit; line-height: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::-moz-selection { background: rgba(201,162,39,.25); color: var(--color-cream); }
::selection { background: rgba(201,162,39,.25); color: var(--color-cream); }

:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; border-radius: 2px; }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.container--wide { max-width: 1400px; }
.container--narrow { max-width: 760px; }

.skip-link { position: absolute; left: -9999px; top: 0; z-index: 9999; background: var(--color-gold); color: var(--color-primary-deep); font-weight: 600; padding: 8px 16px; border-radius: 0 0 6px 0; }
.skip-link:focus { left: 0; }

.site-header { position: sticky; top: 0; z-index: 200; background: linear-gradient(90deg, rgba(7,23,46,.96), rgba(15,49,94,.93)); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(201,162,39,.22); box-shadow: 0 12px 32px rgba(0,0,0,.22); }
.site-header::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, var(--color-gold-light), var(--color-gold)); pointer-events: none; }
.site-header.is-shrunk .header-inner { min-height: var(--header-shrink); }

.header-inner { display: flex; align-items: center; gap: 18px; max-width: var(--container-width); margin: 0 auto; padding-left: 24px; padding-right: 24px; min-height: var(--header-height); transition: min-height .3s ease; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; color: var(--color-cream); }
.brand__mark { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid rgba(201,162,39,.55); border-radius: 12px 4px 12px 4px; background: linear-gradient(135deg, rgba(10,35,66,.35), rgba(15,49,94,.35)); color: var(--color-gold); }
.brand__mark svg { width: 24px; height: 24px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__text strong { font-family: var(--font-title); font-size: 22px; font-weight: 300; letter-spacing: .08em; color: var(--color-cream); }
.brand__text small { margin-top: 2px; font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: var(--color-gold); }

.site-nav { margin-left: auto; }
.nav-list { display: flex; gap: 4px; }
.nav-link { display: inline-block; padding: 8px 10px; font-size: 14px; letter-spacing: .08em; color: var(--color-text); border-bottom: 1px solid transparent; transition: color .2s ease, border-color .2s ease; }
.nav-link:hover { color: var(--color-gold); }
.nav-link[aria-current="page"] { color: var(--color-gold); border-bottom-color: var(--color-gold); }

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: 12px; flex-shrink: 0; }
.index-toggle { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border: 1px solid rgba(201,162,39,.35); border-radius: 20px; color: var(--color-fog); font-size: 13px; letter-spacing: .08em; transition: all .2s ease; }
.index-toggle:hover { border-color: var(--color-gold); color: var(--color-gold); background: rgba(201,162,39,.08); }
.index-toggle[aria-expanded="true"] { background: rgba(201,162,39,.14); border-color: var(--color-gold); color: var(--color-gold); }

.phone-link { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border: 1px solid transparent; border-radius: 20px; color: var(--color-gold-light); font-size: 14px; letter-spacing: .04em; }
.phone-link svg { width: 16px; height: 16px; }

.nav-toggle { display: none; width: 44px; height: 44px; background: transparent; border: 1px solid rgba(201,162,39,.35); border-radius: 8px; position: relative; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 1px; background: var(--color-gold); transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.index-panel { position: absolute; top: 100%; left: 0; right: 0; z-index: 150; background: linear-gradient(180deg, rgba(7,23,46,.98), rgba(15,49,94,.96)); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(201,162,39,.22); box-shadow: 0 24px 48px rgba(0,0,0,.32); }
.index-panel[hidden] { display: none; }
.index-panel__inner { padding-top: 24px; padding-bottom: 24px; }
.index-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; }
.index-grid a { display: block; padding: 9px 12px; border-left: 2px solid rgba(201,162,39,.35); color: var(--color-cream); font-size: 14px; transition: background .2s ease, border-color .2s ease; }
.index-grid a:hover { background: rgba(201,162,39,.08); border-left-color: var(--color-gold); }
.index-panel__note { display: block; margin-top: 16px; font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--color-text-alt); text-align: right; }

.site-footer { position: relative; margin-top: 80px; background: linear-gradient(180deg, rgba(7,23,46,.98), var(--color-primary-deep)); border-top: 1px solid rgba(201,162,39,.22); }
.site-footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--color-gold), transparent 35%, var(--color-gold) 70%, transparent); opacity: .65; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-top: 56px; padding-bottom: 40px; }
.footer-brand { max-width: 420px; }
.footer-brand .brand__text strong { font-size: 20px; }
.footer-desc { margin: 18px 0 14px; color: var(--color-text-alt); font-size: 14px; line-height: 1.7; }
.footer-contact { font-style: normal; display: flex; flex-direction: column; gap: 4px; color: var(--color-text-alt); font-size: 13px; line-height: 1.7; }
.footer-links h3 { font-family: var(--font-title); font-weight: 300; font-size: 15px; letter-spacing: .14em; color: var(--color-gold); margin-bottom: 14px; text-transform: uppercase; }
.footer-links li { margin-bottom: 6px; }
.footer-links a { color: var(--color-cream); font-size: 14px; opacity: .8; transition: opacity .2s ease, padding-left .2s ease, color .2s ease; }
.footer-links a:hover { opacity: 1; color: var(--color-gold); padding-left: 4px; }
.footer-note { grid-column: 1 / -1; border-top: 1px solid rgba(201,162,39,.12); padding-top: 18px; }
.trust-statement { font-size: 12px; color: var(--color-text-alt); letter-spacing: .02em; line-height: 1.8; max-width: 800px; }
.footer-bottom { border-top: 1px solid rgba(201,162,39,.12); padding: 16px 0; font-size: 12px; color: var(--color-text-alt); letter-spacing: .04em; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.section { padding: 72px 0; }
.section--tight { padding: 40px 0; }
.panel { background: rgba(15,49,94,.45); border: 1px solid rgba(201,162,39,.18); border-radius: 14px 4px 14px 4px; padding: 32px; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.panel--gold { background: linear-gradient(135deg, rgba(201,162,39,.14), rgba(201,162,39,.03)); border-color: rgba(201,162,39,.45); }
.card { background: rgba(15,49,94,.38); border: 1px solid rgba(216,224,232,.12); border-radius: 14px 4px 14px 4px; padding: 24px; transition: transform .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-4px); border-color: rgba(201,162,39,.38); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; font-size: 14px; letter-spacing: .08em; border-radius: 8px; text-decoration: none; transition: all .2s ease; }
.btn--gold { background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light)); color: var(--color-primary-deep); font-weight: 600; box-shadow: 0 6px 24px rgba(201,162,39,.3); }
.btn--gold:hover { box-shadow: 0 10px 32px rgba(201,162,39,.42); transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--color-cream); border: 1px solid rgba(201,162,39,.5); }
.btn--outline:hover { background: rgba(201,162,39,.1); border-color: var(--color-gold); }
.btn--ghost { background: rgba(255,255,255,.04); color: var(--color-cream); border: 1px solid rgba(255,255,255,.1); }
.btn--ghost:hover { background: rgba(255,255,255,.08); border-color: rgba(201,162,39,.4); }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .08em; color: var(--color-text-alt); }
.breadcrumb a { color: var(--color-gold); }
.breadcrumb [aria-current="page"] { color: var(--color-cream); }

.label-index { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--color-gold); }
.label-index::before { content: ''; width: 24px; height: 1px; background: var(--color-gold); }

.title { font-family: var(--font-title); font-weight: 300; line-height: 1.12; color: var(--color-cream); }
.title--large { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: .02em; }
.title--section { font-size: clamp(1.8rem, 3vw, 2.8rem); margin-bottom: 20px; }
.lead { font-size: 1.125rem; line-height: 1.7; color: var(--color-text-alt); }
.text-muted { color: var(--color-text-alt); }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.image-frame { position: relative; overflow: hidden; background: linear-gradient(135deg, rgba(15,49,94,.65), rgba(7,23,46,.85)); border-radius: 14px 4px 14px 4px; }
.image-frame::after { content: ''; position: absolute; inset: 0; border: 1px solid rgba(201,162,39,.16); border-radius: inherit; pointer-events: none; }
.image-frame--16x9 { aspect-ratio: 16 / 9; }
.image-frame--4x3 { aspect-ratio: 4 / 3; }
.image-frame--square { aspect-ratio: 1 / 1; }
.image-frame--cover img { width: 100%; height: 100%; object-fit: cover; }

.divider { border: 0; height: 1px; background: linear-gradient(90deg, rgba(201,162,39,.45), transparent); margin: 24px 0; }

.tabs { margin-bottom: 24px; }
.tabs__list { display: flex; gap: 8px; border-bottom: 1px solid rgba(216,224,232,.14); padding-bottom: 8px; overflow-x: auto; }
.tabs__btn { padding: 10px 18px; font-size: 14px; color: var(--color-text-alt); border-radius: 6px; border: 1px solid transparent; white-space: nowrap; transition: all .2s ease; }
.tabs__btn:hover { color: var(--color-cream); border-color: rgba(201,162,39,.25); }
.tabs__btn[aria-selected="true"] { background: rgba(201,162,39,.13); color: var(--color-gold); border-color: rgba(201,162,39,.5); box-shadow: inset 0 -2px 0 var(--color-gold); }
.tabs__panel { padding: 24px 0; }
.tabs__panel[hidden] { display: none; }

.accordion__item { border-bottom: 1px solid rgba(216,224,232,.12); }
.accordion__summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 4px; font-family: var(--font-title); font-size: 17px; font-weight: 300; color: var(--color-cream); cursor: pointer; list-style: none; }
.accordion__summary::-webkit-details-marker { display: none; }
.accordion__summary::after { content: '+'; font-family: var(--font-body); font-size: 22px; color: var(--color-gold); transition: transform .2s ease; }
.accordion__item[data-open] .accordion__summary::after { content: '−'; transform: rotate(180deg); }
.accordion__content { padding: 0 4px 18px; color: var(--color-text-alt); font-size: 15px; line-height: 1.8; }
.accordion__content[hidden] { display: none; }

.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(180deg, var(--color-gold), rgba(201,162,39,.1)); }
.timeline__item { position: relative; padding-bottom: 28px; }
.timeline__item::before { content: ''; position: absolute; left: -25px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--color-gold); box-shadow: 0 0 0 3px rgba(201,162,39,.2); }
.timeline__date { display: inline-block; font-size: 12px; letter-spacing: .12em; color: var(--color-gold); margin-bottom: 6px; }

.legend { display: flex; flex-wrap: wrap; gap: 12px 24px; padding: 18px 20px; background: rgba(15,49,94,.4); border: 1px solid rgba(201,162,39,.18); border-radius: 10px 3px 10px 3px; font-size: 13px; color: var(--color-text-alt); }
.legend__item { display: inline-flex; align-items: center; gap: 8px; }
.legend__key { width: 12px; height: 12px; border-radius: 3px; background: var(--color-gold); border: 1px solid rgba(255,255,255,.2); }
.legend__key--moss { background: var(--color-moss); }
.legend__key--terra { background: var(--color-terra); }
.legend__key--stone { background: var(--color-stone); }

.tag { display: inline-block; padding: 4px 12px; font-size: 12px; letter-spacing: .06em; color: var(--color-gold); background: rgba(201,162,39,.1); border: 1px solid rgba(201,162,39,.3); border-radius: 20px; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }

@media (max-width: 900px) {
  .header-inner { gap: 10px; padding-left: 16px; padding-right: 16px; }
  .brand__text small { display: none; }
  .brand__text strong { font-size: 18px; }
  .site-nav { position: absolute; top: 100%; left: 0; right: 0; margin-left: 0; padding: 8px 16px 16px; background: rgba(7,23,46,.98); border-bottom: 1px solid rgba(201,162,39,.22); box-shadow: 0 24px 40px rgba(0,0,0,.25); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s ease, transform .2s ease, visibility .2s ease; max-height: calc(100vh - var(--header-height)); overflow-y: auto; }
  .site-nav[data-open] { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-list { flex-direction: column; gap: 0; padding: 8px 0; }
  .nav-list li { width: 100%; }
  .nav-link { display: block; padding: 12px 4px; border-bottom: 1px solid rgba(255,255,255,.05); }
  .nav-toggle { display: inline-flex; }
  .header-actions { margin-left: auto; }
  .index-toggle { padding: 7px 10px; }
  .phone-link { display: none; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; padding-top: 40px; }
  .footer-note { grid-column: 1 / -1; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .header-inner { padding-left: 14px; padding-right: 14px; }
  .brand__mark { width: 36px; height: 36px; }
  .brand__text strong { font-size: 17px; }
  .index-toggle { padding: 6px 8px; }
  .index-toggle span { display: none; }
  .nav-toggle { width: 40px; height: 40px; }
  .grid--2 { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
}