/* ==========================================================================
   澳门新京葡主站 · 共享样式 /assets/site.css
   夜墨绿绒面 · 暗金细线 · 厅别强调色 · 刻度框景
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  overflow-x: clip;
  background: #04140F;
  color: #F2EAD8;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.95;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
i, em { font-style: normal; }
table { border-collapse: collapse; }

:focus-visible {
  outline: 2px solid #E7CE8F;
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 2. Tokens ---------- */
:root {
  --ink-900: #04140F;
  --ink-800: #0A2018;
  --hall-600: #1B4A38;
  --gold-500: #C9A24A;
  --gold-300: #E7CE8F;
  --violet: #7A5CFF;
  --coral: #FF7A4D;
  --cyan: #4FD1C5;
  --paper: #F2EAD8;
  --mist: #8FA79A;
  --shadow: #000806;

  --accent: #C9A24A;
  --accent-soft: rgba(201, 162, 74, 0.14);
  --hairline: rgba(201, 162, 74, 0.26);
  --hairline-soft: rgba(201, 162, 74, 0.12);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 1360px;
  --pad: clamp(20px, 4vw, 72px);
  --gap: 24px;
  --radius-cut: 18px;
}

/* ---------- 3. 全站刻度框景 ---------- */
body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: 30;
}
body::before {
  inset: 12px;
  border: 1px solid rgba(201, 162, 74, 0.24);
}
body::after {
  inset: 21px;
  border: 1px dashed rgba(201, 162, 74, 0.10);
}

/* ---------- 4. 布局容器与栅格 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding: clamp(42px, 6vw, 92px) 0; }
.section--tight { padding: clamp(24px, 3vw, 46px) 0; }
.section--wide { padding: clamp(56px, 8vw, 128px) 0; }
.section--ink { background: var(--ink-800); }
.section--edge { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }

.grid { display: grid; gap: var(--gap); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--halves { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.grid--wide-left { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }

.flow > * + * { margin-top: 18px; }
.measure { max-width: 38em; }
.center { text-align: center; }

/* ---------- 5. 排版层级 ---------- */
.h0 {
  font-family: var(--font-serif);
  font-size: clamp(64px, 11vw, 180px);
  font-weight: 300;
  line-height: 0.92;
  letter-spacing: -0.02em;
}
.h1 {
  font-family: var(--font-serif);
  font-size: clamp(40px, 5.2vw, 84px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.02em;
}
.h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 2.6vw, 32px);
  font-weight: 400;
  line-height: 1.36;
}
.h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.5;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-500);
}
.lede {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.9;
  color: #DCD2BE;
}
.note {
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 11.5px;
  color: var(--mist);
}
.figure {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(48px, 6vw, 112px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--gold-300);
  font-variant-numeric: tabular-nums;
}
.figure--sm { font-size: clamp(32px, 3.4vw, 54px); }

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--gold-500), rgba(201, 162, 74, 0));
}
.rule--center { background: linear-gradient(90deg, transparent, var(--gold-500), transparent); }

/* ---------- 6. Skip link ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 200;
  padding: 12px 22px;
  background: var(--gold-500);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  transition: top 0.22s ease;
}
.skip-link:focus { top: 16px; }

/* ---------- 7. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(4, 20, 15, 0.965);
  border-bottom: 1px solid rgba(201, 162, 74, 0.28);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      var(--gold-500) 0 24%,
      rgba(122, 92, 255, 0.6) 24% 46%,
      rgba(255, 122, 77, 0.5) 46% 66%,
      rgba(79, 209, 197, 0.45) 66% 100%);
}
.site-header[data-scrolled] {
  background: rgba(4, 20, 15, 0.995);
  box-shadow: 0 16px 44px rgba(0, 8, 6, 0.72);
}

.header-top {
  border-bottom: 1px solid var(--hairline-soft);
  background: linear-gradient(90deg, rgba(27, 74, 56, 0.5) 0%, rgba(4, 20, 15, 0.15) 62%);
}
.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.brand__mark {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  background: var(--gold-500);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
  box-shadow: 0 0 14px rgba(201, 162, 74, 0.55);
}
.brand__text { display: flex; flex-direction: column; min-width: 0; }
.brand__name {
  font-size: 19px;
  line-height: 1.34;
  letter-spacing: 0.03em;
  color: var(--paper);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 22px);
  flex: 0 0 auto;
}
.accent-dots { display: inline-flex; align-items: center; gap: 6px; }
.dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  line-height: 0;
}
.dot--gold { background: var(--gold-500); box-shadow: 0 0 8px rgba(201, 162, 74, 0.7); }
.dot--violet { background: var(--violet); box-shadow: 0 0 8px rgba(122, 92, 255, 0.65); }
.dot--coral { background: var(--coral); box-shadow: 0 0 8px rgba(255, 122, 77, 0.6); }
.dot--cyan { background: var(--cyan); box-shadow: 0 0 8px rgba(79, 209, 197, 0.6); }

.version-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border: 1px solid rgba(201, 162, 74, 0.42);
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}
.version-chip__k { color: var(--mist); }

.utility-link {
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: var(--mist);
  padding: 3px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.22s ease, border-color 0.22s ease;
}
.utility-link:hover { color: var(--gold-300); border-bottom-color: var(--gold-500); }
.utility-link--accent { color: var(--paper); border-bottom-color: rgba(201, 162, 74, 0.55); }
.utility-link--accent:hover { color: var(--gold-300); border-bottom-color: var(--gold-300); }

.header-main { position: relative; }
.header-main::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background-image: repeating-linear-gradient(90deg, rgba(201, 162, 74, 0.6) 0 1px, transparent 1px 96px);
  opacity: 0.5;
  pointer-events: none;
}
.header-main__inner {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  min-height: 58px;
}

.nav-label {
  display: none;
  flex: 0 0 auto;
  padding-right: 18px;
  border-right: 1px solid rgba(201, 162, 74, 0.25);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(201, 162, 74, 0.78);
  white-space: nowrap;
}

.site-nav { flex: 1 1 auto; min-width: 0; }
.nav-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}
.nav-item { min-width: 0; }
.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 17px 12px;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--mist);
  transition: color 0.22s ease;
}
.nav-index {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: rgba(143, 167, 154, 0.62);
  transition: color 0.22s ease;
}
.nav-text { white-space: nowrap; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 11px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.nav-link:hover { color: var(--paper); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link:hover .nav-index { color: var(--gold-500); }
.nav-link[aria-current="page"] { color: var(--paper); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-link[aria-current="page"] .nav-index { color: var(--accent); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border: 1px solid rgba(201, 162, 74, 0.38);
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: background 0.24s ease, border-color 0.24s ease;
}
.nav-toggle:hover { background: rgba(201, 162, 74, 0.10); border-color: var(--gold-500); }
.nav-toggle[aria-expanded="true"] {
  background: rgba(201, 162, 74, 0.14);
  border-color: var(--gold-500);
}
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 3px; width: 16px; }
.nav-toggle__bars i { display: block; height: 1px; background: currentColor; transition: width 0.24s ease; }
.nav-toggle__bars i:nth-child(2) { width: 68%; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { width: 100%; }
.nav-toggle__text { white-space: nowrap; }

/* ---------- 8. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--gold-500);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background 0.22s ease, transform 0.22s ease;
}
.btn:hover { background: var(--gold-300); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  color: var(--gold-300);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 74, 0.5);
}
.btn--ghost:hover { background: rgba(201, 162, 74, 0.12); color: var(--gold-300); }
.btn--accent { background: var(--accent); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 13px;
  background: var(--accent-soft);
  color: var(--gold-300);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.panel {
  position: relative;
  padding: clamp(20px, 2.6vw, 36px);
  background: var(--hall-600);
  clip-path: polygon(0 0, calc(100% - var(--radius-cut)) 0, 100% var(--radius-cut), 100% 100%, var(--radius-cut) 100%, 0 calc(100% - var(--radius-cut)));
}
.panel--ink { background: var(--ink-800); }
.panel--flat {
  background: rgba(27, 74, 56, 0.34);
  box-shadow: inset 0 0 0 1px var(--hairline);
}
.panel--edge {
  background: linear-gradient(140deg, rgba(27, 74, 56, 0.55), rgba(4, 20, 15, 0.9));
}
.panel__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-800) 0%, var(--hall-600) 100%);
  clip-path: polygon(0 0, calc(100% - var(--radius-cut)) 0, 100% var(--radius-cut), 100% 100%, var(--radius-cut) 100%, 0 calc(100% - var(--radius-cut)));
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(201, 162, 74, 0.14) 0 1px, transparent 1px 64px);
  pointer-events: none;
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--tall { aspect-ratio: 3 / 4; }
.media__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 14px 18px 12px;
  background: linear-gradient(0deg, rgba(4, 20, 15, 0.94), rgba(4, 20, 15, 0));
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.breadcrumb {
  padding: 18px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(201, 162, 74, 0.55);
}
.breadcrumb a { transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--gold-300); }
.breadcrumb [aria-current="page"] { color: var(--paper); }

/* 展开组 */
.disclose { border-top: 1px solid var(--hairline); }
.disclose__btn {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  padding: 22px 4px;
  text-align: left;
  color: var(--paper);
  transition: color 0.22s ease, background 0.22s ease;
}
.disclose__btn:hover { color: var(--gold-300); }
.disclose__btn[aria-expanded="true"] { color: var(--gold-300); }
.disclose__sign {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-left: auto;
}
.disclose__sign::before,
.disclose__sign::after {
  content: "";
  position: absolute;
  background: var(--gold-500);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.disclose__sign::before { left: 0; top: 6.5px; width: 14px; height: 1px; }
.disclose__sign::after { top: 0; left: 6.5px; width: 1px; height: 14px; }
.disclose__btn[aria-expanded="true"] .disclose__sign::after { transform: scaleY(0); opacity: 0; }
.disclose__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.36s cubic-bezier(0.4, 0, 0.2, 1);
}
.disclose__panel[data-open] { grid-template-rows: 1fr; }
.disclose__inner { overflow: hidden; }
.disclose__body { padding: 0 4px 26px; }

/* 滚动显现 */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.6, 0.3, 1), transform 0.7s cubic-bezier(0.2, 0.6, 0.3, 1);
}
.js-ready [data-reveal][data-revealed] { opacity: 1; transform: none; }

/* 斜向引导线 */
.diagonal-guide {
  position: relative;
  height: 1px;
  border: 0;
  margin: clamp(28px, 4vw, 56px) 0;
  background: linear-gradient(90deg, transparent, rgba(201, 162, 74, 0.5));
  transform: rotate(-12deg);
  transform-origin: left center;
}

/* ---------- 9. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 140px);
  padding: clamp(48px, 6vw, 88px) 0 0;
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 58%);
  border-top: 1px solid rgba(201, 162, 74, 0.34);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px; left: 0;
  width: min(340px, 42%);
  height: 2px;
  background: linear-gradient(90deg, var(--gold-500), rgba(201, 162, 74, 0));
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: clamp(24px, 3vw, 48px);
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--hairline-soft);
}

.footer-brand__name {
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--paper);
}
.footer-brand__line { margin-top: 8px; font-size: 14.5px; color: var(--gold-300); }
.footer-brand__note {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}
.footer-brand__icp {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(143, 167, 154, 0.8);
}

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-500);
}
.footer-col__title::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 1px;
  background: var(--gold-500);
}

.hall-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--hairline-soft);
}
.hall-list__name { font-size: 15px; color: var(--paper); }
.hall-list em {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.footer-links li { border-bottom: 1px solid rgba(201, 162, 74, 0.08); }
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--mist);
  transition: color 0.22s ease, transform 0.22s ease;
}
.footer-links a::before {
  content: "›";
  font-family: var(--font-mono);
  color: var(--gold-500);
  opacity: 0.7;
}
.footer-links a:hover { color: var(--gold-300); transform: translateX(3px); }

.footer-contact {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px clamp(20px, 3vw, 44px);
  padding: clamp(24px, 3vw, 38px) 0;
  border-bottom: 1px solid var(--hairline-soft);
}
.footer-contact p {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.footer-contact strong {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-500);
}
.footer-contact__value { color: var(--paper); }
.footer-contact__note {
  grid-column: 1 / -1;
  display: block;
  font-size: 13.5px;
  color: var(--mist);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px clamp(18px, 3vw, 34px);
  padding: 22px 0 34px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.footer-legal a { transition: color 0.2s ease; border-bottom: 1px solid transparent; }
.footer-legal a:hover { color: var(--gold-300); border-bottom-color: rgba(201, 162, 74, 0.6); }
.footer-legal__brand { color: rgba(242, 234, 216, 0.78); }
.footer-legal__icp { color: rgba(143, 167, 154, 0.75); }

/* ---------- 10. 响应式 ---------- */
@media (min-width: 900px) {
  .nav-label { display: inline-block; }
}

@media (max-width: 1180px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  body { font-size: 16.5px; line-height: 1.9; }
  body::before { inset: 8px; }
  body::after { inset: 14px; }

  .header-top__inner { min-height: 50px; gap: 12px; }
  .brand__name { font-size: 17px; }
  .brand__sub { font-size: 10px; }
  .accent-dots,
  .utility-link { display: none; }
  .version-chip { padding: 4px 9px; font-size: 10px; }

  .header-main__inner { min-height: 54px; }
  .nav-toggle {
    display: flex;
    flex: 1 1 auto;
    justify-content: space-between;
    padding: 12px 16px;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 70;
    max-height: 0;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(10, 32, 24, 0.995) 0%, rgba(4, 20, 15, 0.995) 100%);
    border-top: 1px solid rgba(201, 162, 74, 0.28);
    border-bottom: 1px solid rgba(201, 162, 74, 0.36);
    box-shadow: 0 26px 54px rgba(0, 8, 6, 0.75);
    transition: max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .site-nav[data-open] { max-height: min(72vh, 540px); overflow-y: auto; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 6px 0 14px;
  }
  .nav-item { border-bottom: 1px solid rgba(201, 162, 74, 0.10); }
  .nav-link {
    width: 100%;
    padding: 15px var(--pad);
    font-size: 16px;
    justify-content: flex-start;
  }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] {
    background: linear-gradient(90deg, var(--accent-soft), transparent 78%);
    box-shadow: inset 2px 0 0 var(--accent);
  }

  .grid--halves,
  .grid--wide-left { grid-template-columns: minmax(0, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-contact { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 680px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .btn { width: 100%; justify-content: center; }
  .h0 { font-size: clamp(52px, 15vw, 96px); }
  .rule { background: linear-gradient(90deg, var(--gold-500), rgba(201, 162, 74, 0.08)); }
}

/* ---------- 11. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js-ready [data-reveal] { opacity: 1; transform: none; }
  .disclose__panel { transition: none; }
  .site-nav { transition: none; }
}