/* ============================================================
   财神到棋牌平台 · 共享样式 /assets/site.css
   色谱：财神红 / 鎏金 / 深墨绿 / 暖象牙白 / 霓虹青
   ============================================================ */

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

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

body { margin: 0; min-height: 100vh; }

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5, p, figure, blockquote { margin: 0; }

table { border-collapse: collapse; border-spacing: 0; }

input, select, textarea { font: inherit; }

/* ---------- 2. 变量 ---------- */
:root {
  --red: #C8102E;
  --red-dark: #9C0C24;
  --red-deep: #7A0F1C;
  --gold: #D4A017;
  --gold-light: #F2D57E;
  --gold-deep: #8C6508;
  --green-deep: #0B3B2E;
  --green-night: #072A20;
  --felt: #14532D;
  --ivory: #F7F1E3;
  --neon: #19E3C2;
  --charcoal: #1A1A1A;
  --sage: #5F7A6E;

  --line: rgba(11, 59, 46, 0.14);
  --line-gold: rgba(212, 160, 23, 0.38);

  --font-display: "Songti SC", "STSong", "SimSun", "Noto Serif SC", "Source Han Serif SC", serif;
  --font-body: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --maxw: 1240px;
  --gutter: clamp(16px, 3vw, 30px);
  --cut: 16px;
  --cut-sm: 9px;

  --shadow-soft: 0 22px 46px -34px rgba(26, 26, 26, 0.85);
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: clamp(15px, 0.35vw + 14px, 17px);
  line-height: 1.75;
  color: var(--charcoal);
  background-color: var(--ivory);
  background-image:
    radial-gradient(1100px 520px at 92% -6%, rgba(212, 160, 23, 0.16), transparent 62%),
    radial-gradient(880px 460px at -8% 4%, rgba(200, 16, 46, 0.09), transparent 64%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.012em;
  color: var(--green-deep);
}

h1 { font-size: clamp(34px, 6vw, 68px); }
h2 { font-size: clamp(26px, 4vw, 44px); }
h3 { font-size: clamp(19px, 2vw, 24px); }
h4 { font-size: 17px; }

p { text-wrap: pretty; }

.mono,
code, kbd, samp {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

#main-content { scroll-margin-top: 150px; }

/* ---------- 4. 焦点与无障碍 ---------- */
:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(11, 59, 46, 0.45);
}

.skip-link {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 300;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--charcoal);
  background: linear-gradient(140deg, var(--gold-light), var(--gold) 62%, var(--gold-deep));
  border: 2px solid var(--charcoal);
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: top 0.2s ease;
}

.skip-link:focus { top: 14px; }

/* ---------- 5. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  color: #FFF7E8;
  background: linear-gradient(180deg, var(--red) 0%, var(--red-dark) 62%, var(--red-deep) 100%);
  border-bottom: 2px solid var(--gold);
  box-shadow: 0 14px 34px -24px rgba(26, 26, 26, 0.9);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--neon) 0%, var(--gold-light) 70%, var(--gold) 100%);
  transition: width 0.12s linear;
}

.command-bar {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
  min-height: 68px;
  padding: 10px var(--gutter);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}

.brand__seal {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 900;
  color: var(--red-deep);
  background: linear-gradient(150deg, #FFF0BE 0%, var(--gold-light) 34%, var(--gold) 66%, var(--gold-deep) 100%);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  box-shadow: inset 0 0 0 1px rgba(122, 15, 28, 0.45);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.16;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 0.9vw + 12.5px, 19.5px);
  letter-spacing: 0.03em;
  color: #FFF7E8;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 247, 232, 0.62);
}

/* 主导航 */
.primary-nav {
  margin-left: auto;
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 12px 11px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 247, 232, 0.86);
  border: 1px solid transparent;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 2px;
  background: var(--neon);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s ease;
}

.primary-nav a:hover {
  color: #FFF7E8;
  background: rgba(0, 0, 0, 0.18);
}

.primary-nav a:hover::after { transform: scaleX(1); }

.primary-nav a[aria-current="page"] {
  color: var(--gold-light);
  background: rgba(11, 59, 46, 0.46);
  border-color: var(--gold);
}

.primary-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold);
}

/* 动作区 */
.command-bar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: #FFF7E8;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(242, 213, 126, 0.5);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.copy-btn:hover {
  color: var(--neon);
  border-color: var(--neon);
  background: rgba(25, 227, 194, 0.08);
}

.copy-btn:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--neon);
}

.copy-btn__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(25, 227, 194, 0.22);
}

.copy-btn.is-done {
  color: var(--neon);
  border-color: var(--neon);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(242, 213, 126, 0.6);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--neon);
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: #FFF7E8;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header[data-open] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 房间分类横向卷轴条 */
.room-strip {
  display: block;
  background: var(--green-deep);
  border-top: 1px solid var(--line-gold);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(212, 160, 23, 0.6) transparent;
}

.room-strip::-webkit-scrollbar { height: 4px; }
.room-strip::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); }
.room-strip::-webkit-scrollbar-thumb { background: rgba(212, 160, 23, 0.6); }

.room-strip__inner {
  display: flex;
  align-items: center;
  gap: 8px;
  width: max-content;
  min-width: 100%;
  padding-block: 9px 11px;
  padding-inline: max(var(--gutter), calc((100vw - var(--maxw)) / 2 + var(--gutter)));
}

.room-strip__label {
  flex: 0 0 auto;
  padding-right: 12px;
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(242, 213, 126, 0.78);
  border-right: 1px solid var(--line-gold);
}

.room-chip {
  flex: 0 0 auto;
  padding: 6px 14px;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  color: rgba(247, 241, 227, 0.86);
  border: 1px solid rgba(212, 160, 23, 0.35);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.room-chip:hover {
  color: var(--neon);
  border-color: var(--neon);
  background: rgba(25, 227, 194, 0.08);
}

.room-chip:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--neon);
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  color: rgba(232, 240, 236, 0.82);
  font-size: 14.5px;
  background-color: var(--green-deep);
  background-image:
    radial-gradient(760px 340px at 10% -22%, rgba(212, 160, 23, 0.18), transparent 66%),
    linear-gradient(180deg, var(--green-deep) 0%, var(--green-night) 100%);
  background-repeat: no-repeat;
  border-top: 3px solid var(--gold);
}

.site-footer a {
  color: rgba(232, 240, 236, 0.84);
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.site-footer a:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.brand--footer { align-items: center; }

.brand--footer .brand__name { color: #FFF7E8; }
.brand--footer .brand__sub { color: rgba(242, 213, 126, 0.72); }

.site-footer__top {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(34px, 5vw, 60px) var(--gutter) clamp(26px, 3vw, 40px);
  display: grid;
  grid-template-columns: minmax(220px, 1.15fr) minmax(280px, 1.35fr) minmax(230px, 1fr);
  gap: clamp(24px, 3.6vw, 56px);
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.site-footer__lede {
  max-width: 34ch;
  color: rgba(232, 240, 236, 0.74);
  line-height: 1.8;
}

.site-footer__badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  align-self: flex-start;
  padding: 6px 13px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  border: 1px solid var(--line-gold);
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  background: rgba(11, 59, 46, 0.6);
}

.site-footer__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(25, 227, 194, 0.2);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: clamp(18px, 3vw, 40px);
}

.site-footer h3 {
  margin-bottom: 14px;
  padding-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-light);
  border-bottom: 1px dashed var(--line-gold);
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.site-footer__contact ul {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.site-footer__contact li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.site-footer__contact .k {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: rgba(242, 213, 126, 0.72);
}

.site-footer__contact .v {
  color: rgba(232, 240, 236, 0.92);
  line-height: 1.65;
  word-break: break-word;
}

.site-footer__bottom {
  background: rgba(0, 0, 0, 0.24);
  border-top: 1px solid rgba(212, 160, 23, 0.24);
}

.site-footer__bottom-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter) 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: rgba(232, 240, 236, 0.62);
}

.site-footer__legal {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* ---------- 7. 布局与容器 ---------- */
.content-wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(40px, 6vw, 88px); }
.section--tight { padding-block: clamp(26px, 4vw, 54px); }

.section--deep {
  color: rgba(232, 240, 236, 0.84);
  background-image:
    radial-gradient(680px 320px at 88% -14%, rgba(212, 160, 23, 0.2), transparent 64%),
    linear-gradient(180deg, var(--green-deep), var(--felt));
  background-repeat: no-repeat;
  border-block: 2px solid var(--gold);
}

.section--deep .section-head__title,
.section--deep h2,
.section--deep h3 { color: #FFF7E8; }

.section--deep .section-head__desc { color: rgba(232, 240, 236, 0.76); }

.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 30px);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- 8. 通用组件 ---------- */
.btn {
  --cut: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.16s ease;
}

.btn:active { transform: translateY(1px); }

.btn:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 3px var(--neon);
}

.btn--primary {
  color: #FFF7E8;
  background: linear-gradient(135deg, #E01534 0%, var(--red) 52%, var(--red-deep) 100%);
  border-color: var(--red-deep);
}

.btn--primary:hover { background: linear-gradient(135deg, #F02040 0%, #B00E28 60%, #6A0C18 100%); }

.btn--gold {
  color: var(--red-deep);
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 54%, var(--gold-deep) 100%);
  border-color: var(--gold-deep);
}

.btn--gold:hover { background: linear-gradient(135deg, #FFF3C6 0%, #E8B92C 56%, #C8920F 100%); }

.btn--ghost {
  color: var(--green-deep);
  background: transparent;
  border-color: rgba(11, 59, 46, 0.42);
}

.btn--ghost:hover {
  color: var(--red);
  border-color: var(--red);
  background: rgba(200, 16, 46, 0.05);
}

.btn--sm {
  --cut: 8px;
  padding: 9px 16px;
  font-size: 13.5px;
}

.breadcrumb {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--sage);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 6px;
  color: rgba(95, 122, 110, 0.55);
}

.breadcrumb a {
  color: var(--sage);
  border-bottom: 1px solid rgba(95, 122, 110, 0.4);
}

.breadcrumb a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--charcoal);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 72ch;
  margin-bottom: clamp(22px, 3.4vw, 42px);
}

.section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--red);
}

.section-head__eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--gold);
}

.section-head__title { font-size: clamp(26px, 4vw, 46px); }

.section-head__desc {
  max-width: 64ch;
  color: #3D4A44;
}

.panel {
  --cut: 16px;
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: #FFFFFF;
  border-left: 4px solid var(--gold);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  box-shadow: var(--shadow-soft);
}

.panel--deep {
  color: rgba(232, 240, 236, 0.86);
  background: linear-gradient(150deg, var(--green-deep), var(--felt));
  border-left-color: var(--red);
}

.panel--deep h3,
.panel--deep h4 { color: var(--gold-light); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--red-deep);
  background: rgba(212, 160, 23, 0.18);
  border: 1px solid rgba(212, 160, 23, 0.52);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.tag--neon {
  color: #04564B;
  background: rgba(25, 227, 194, 0.16);
  border-color: rgba(25, 227, 194, 0.55);
}

.tag--red {
  color: #FFF7E8;
  background: var(--red);
  border-color: var(--red-deep);
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #FFFFFF;
}

.data-table {
  width: 100%;
  min-width: 560px;
  font-size: 14.5px;
}

.data-table th {
  padding: 12px 15px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-align: left;
  color: var(--gold-light);
  background: var(--felt);
  border-bottom: 2px solid var(--gold);
}

.data-table td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.data-table tbody tr:nth-child(even) { background: rgba(247, 241, 227, 0.62); }
.data-table tbody tr:hover { background: rgba(212, 160, 23, 0.1); }

.data-table .num {
  color: var(--red-deep);
  white-space: nowrap;
}

.media-frame {
  --cut: 18px;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background:
    linear-gradient(140deg, rgba(20, 83, 45, 0.96), rgba(11, 59, 46, 0.98)),
    var(--felt);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: auto -20% -42% -20%;
  height: 60%;
  background: linear-gradient(90deg, rgba(212, 160, 23, 0.22), rgba(25, 227, 194, 0.14));
  transform: rotate(-7deg);
  pointer-events: none;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--wide { aspect-ratio: 21 / 9; }

.media-frame__ph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(242, 213, 126, 0.55);
}

/* ---------- 9. 显现动效 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
  transition-delay: var(--stagger, 0ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1080px) {
  .primary-nav a { padding-inline: 9px; font-size: 14px; }
  .command-bar { gap: 10px; }
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    display: none;
    max-height: min(72vh, 540px);
    overflow-y: auto;
    padding: 12px var(--gutter) 20px;
    background: linear-gradient(180deg, var(--green-deep), var(--green-night));
    border-top: 1px solid var(--line-gold);
    border-bottom: 2px solid var(--gold);
    box-shadow: 0 26px 46px -26px rgba(0, 0, 0, 0.9);
  }

  .site-header[data-open] .primary-nav { display: block; }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
  }

  .primary-nav a {
    padding: 13px 12px;
    font-size: 16px;
    border-color: rgba(212, 160, 23, 0.18);
  }

  .primary-nav a::after { display: none; }

  .primary-nav a[aria-current="page"] {
    border-color: var(--gold);
    background: rgba(212, 160, 23, 0.14);
  }

  .site-footer__top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .site-footer__brand { grid-column: 1 / -1; }
  .site-footer__contact { grid-column: 1 / -1; }

  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .copy-btn__text { display: none; }
  .copy-btn { padding: 10px 11px; gap: 0; }
  .brand__sub { letter-spacing: 0.12em; }
}

@media (max-width: 620px) {
  .command-bar { min-height: 60px; padding-block: 8px; }
  .brand__seal { width: 36px; height: 36px; font-size: 20px; }
  .brand__sub { display: none; }
  .btn--sm { padding: 8px 12px; font-size: 13px; }

  .site-footer__top { grid-template-columns: minmax(0, 1fr); }
  .site-footer__nav { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .site-footer__legal { margin-left: 0; }

  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 420px) {
  .btn--sm { padding: 8px 10px; letter-spacing: 0; }
  .room-strip__label { font-size: 10px; letter-spacing: 0.14em; }
}

/* ---------- 11. 减少动态效果 ---------- */
@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;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .scroll-progress__bar { transition: none; }
}