/* ==========================================================
   Site Kit — 澳门十大娱乐官网入口平台
   /assets/site.css
   设计语言：黑金命令台 · 切角面板 · 金色阅读进度
   ========================================================== */

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

/* ---------- CSS Variables ---------- */
:root {
  --gold-deep: #C9A94E;
  --ink-black: #0A0A0A;
  --red-deep: #B03A2E;
  --white-warm: #F5F0E6;
  --gray-mist: #A89F91;
  --gold-bright: #E8C375;
  --brown-dim: #8C6D2F;
  --panel-dark: #141414;
  --gold-light: #D9B874;
  --red-alert: #FF4C3B;

  --font-heading: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", Helvetica, Arial, sans-serif;

  --fs-1: 2.25rem;
  --fs-2: 1.75rem;
  --fs-3: 1.375rem;
  --fs-4: 1.125rem;
  --fs-5: 1rem;
  --fs-6: 0.875rem;

  --container-w: 1280px;
  --header-h: 60px;

  --gold-gradient: linear-gradient(120deg, var(--gold-deep), var(--gold-bright) 60%, var(--brown-dim));
  --cut-corner: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  --cut-corner-sm: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));

  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.35s;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-5);
  line-height: 1.75;
  color: var(--white-warm);
  background-color: var(--ink-black);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(201, 169, 78, 0.055) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(176, 58, 46, 0.045) 0%, transparent 60%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--white-warm);
  text-wrap: balance;
}

h1 { font-size: var(--fs-1); letter-spacing: 0.02em; }
h2 { font-size: var(--fs-2); }
h3 { font-size: var(--fs-3); }
h4 { font-size: var(--fs-4); }

p { margin-bottom: 1em; }

a {
  color: var(--gold-deep);
  text-decoration: none;
  transition: color var(--dur) var(--ease-out);
}

a:hover { color: var(--gold-bright); }

ul, ol {
  padding-left: 1.4em;
  margin-bottom: 1em;
}

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

blockquote {
  margin: 1.5em 0;
  padding: 0.8em 1.2em;
  border-left: 3px solid var(--gold-deep);
  background: rgba(201, 169, 78, 0.05);
  color: var(--gray-mist);
  font-style: italic;
}

hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-deep) 30%, var(--gold-deep) 70%, transparent);
  margin: 2.5em 0;
}

::selection {
  background: var(--gold-deep);
  color: var(--ink-black);
}

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

:focus:not(:focus-visible) {
  outline: none;
}

/* ---------- Layout Utilities ---------- */
.container {
  width: min(calc(100% - 48px), var(--container-w));
  margin-inline: auto;
}

.container-narrow {
  width: min(calc(100% - 48px), 860px);
  margin-inline: auto;
}

.container-wide {
  width: min(calc(100% - 32px), 1440px);
  margin-inline: auto;
}

.section {
  padding-block: 72px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 10000;
  padding: 10px 20px;
  background: var(--gold-deep);
  color: var(--ink-black);
  font-family: var(--font-heading);
  font-size: var(--fs-6);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  clip-path: var(--cut-corner-sm);
  transform: translateY(-200%);
  transition: transform 0.3s var(--ease-out), background 0.25s;
}

.skip-link:focus {
  transform: translateY(0);
  background: var(--gold-bright);
  color: var(--ink-black);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-top: 2px solid var(--gold-deep);
  border-bottom: 1px solid rgba(201, 169, 78, 0.22);
  transition: background 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.site-header.is-scrolled,
.site-header[data-open] {
  background: rgba(10, 10, 10, 0.94);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 2px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-bright), transparent 30%);
  pointer-events: none;
  opacity: 0.5;
}

.header-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold-bright) 80%, var(--brown-dim) 100%);
  pointer-events: none;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--header-h);
  padding-block: 8px;
}

/* ---------- Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex: 0 0 auto;
}

.brand:hover {
  color: inherit;
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  background: var(--gold-gradient);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.brand-mark::before {
  content: "";
  position: absolute;
  inset: 5px;
  background: var(--ink-black);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 10px;
  background: var(--gold-deep);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white-warm);
  white-space: nowrap;
}

.brand-tagline {
  margin-top: 2px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray-mist);
  white-space: nowrap;
}

.brand-version {
  margin-left: 2px;
  padding: 2px 7px;
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  border: 1px solid rgba(201, 169, 78, 0.65);
  background: rgba(201, 169, 78, 0.06);
  transform: translateY(-4px);
}

/* ---------- Navigation (Desktop) ---------- */
.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: nav-counter;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--gray-mist);
  text-decoration: none;
  border-radius: 2px;
  position: relative;
  transition: color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.nav-link::before {
  counter-increment: nav-counter;
  content: counter(nav-counter, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  color: var(--gold-deep);
  opacity: 0.75;
  letter-spacing: 0;
}

.nav-link:hover {
  color: var(--white-warm);
  background: rgba(201, 169, 78, 0.08);
}

.nav-link[aria-current="page"] {
  color: var(--gold-deep);
}

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold-bright));
  border-radius: 1px;
}

/* ---------- Nav Toggle (Mobile) ---------- */
.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(201, 169, 78, 0.4);
  border-radius: 4px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: border-color 0.25s, background 0.25s;
}

.nav-toggle:hover {
  border-color: var(--gold-deep);
  background: rgba(201, 169, 78, 0.08);
}

.nav-toggle-icon {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--gold-deep);
  transition: background 0.25s;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--gold-deep);
  transition: transform 0.3s var(--ease-out), top 0.3s var(--ease-out);
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after  { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  margin-top: 80px;
  background:
    radial-gradient(ellipse 60% 60% at 15% 0%, rgba(201, 169, 78, 0.04) 0%, transparent 50%),
    linear-gradient(180deg, #080808 0%, #050505 100%);
  border-top: 1px solid rgba(201, 169, 78, 0.2);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold-bright) 35%, var(--brown-dim) 70%, transparent 100%);
  z-index: 2;
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg, transparent 0 40px, rgba(201, 169, 78, 0.02) 40px 42px);
  z-index: 0;
  pointer-events: none;
}

.site-footer > .footer-grid,
.site-footer > .footer-bottom {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr 1fr;
  gap: 48px;
  padding: 64px 0 48px;
}

.footer-brand .brand {
  margin-bottom: 20px;
}

.footer-brand .brand-mark {
  width: 34px;
  height: 34px;
}

.footer-brand .brand-mark::before {
  inset: 6px;
}

.footer-brand .brand-mark::after {
  inset: 12px;
}

.footer-brand .brand-name {
  font-size: 20px;
}

.footer-statement {
  margin-top: 18px;
  padding-left: 18px;
  border-left: 3px solid var(--gold-deep);
  color: var(--gray-mist);
  font-size: 14px;
  line-height: 1.9;
  max-width: 30em;
}

.footer-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--gold-deep);
  letter-spacing: 0.1em;
  padding-bottom: 10px;
  margin-bottom: 20px;
  position: relative;
}

.footer-heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 2px;
  background: var(--gold-deep);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer-links a {
  display: inline-block;
  color: var(--gray-mist);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.25s, transform 0.25s var(--ease-out);
}

.footer-links a:hover {
  color: var(--gold-bright);
  transform: translateX(4px);
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray-mist);
}

.footer-contact-list li {
  display: flex;
  gap: 8px;
}

.contact-label {
  flex: 0 0 auto;
  color: var(--gold-deep);
  font-weight: 600;
  letter-spacing: 0.04em;
  min-width: 3.5em;
}

.footer-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed rgba(201, 169, 78, 0.25);
  font-size: 12px;
  color: var(--gray-mist);
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(201, 169, 78, 0.15);
  background: rgba(0, 0, 0, 0.35);
  position: relative;
}

.footer-bottom::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--gold-deep) 0, var(--gold-deep) 8px, transparent 8px, transparent 16px);
  opacity: 0.35;
  pointer-events: none;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 16px 0;
  font-size: 13px;
  color: var(--gray-mist);
}

.footer-bottom-inner p {
  margin: 0;
}

/* ---------- Back to Top ---------- */
.to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(201, 169, 78, 0.7);
  background: rgba(20, 20, 20, 0.9);
  color: var(--gold-deep);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  clip-path: var(--cut-corner-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), background 0.25s, color 0.25s, visibility 0.3s;
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--gold-deep);
  color: var(--ink-black);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-black);
  background: var(--gold-deep);
  border: 1px solid var(--gold-deep);
  cursor: pointer;
  text-decoration: none;
  clip-path: var(--cut-corner-sm);
  transition: background 0.25s, color 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.btn:hover {
  background: var(--gold-bright);
  border-color: var(--gold-bright);
  color: var(--ink-black);
  box-shadow: 0 4px 24px rgba(201, 169, 78, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--gold-deep);
}

.btn-ghost:hover {
  background: rgba(201, 169, 78, 0.1);
  border-color: var(--gold-bright);
  color: var(--gold-bright);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin: 0 0 32px;
  list-style: none;
  font-size: 14px;
  color: var(--gray-mist);
}

.breadcrumb a {
  color: var(--gray-mist);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--gold-deep);
}

.breadcrumb-sep {
  color: var(--gold-deep);
  opacity: 0.5;
}

.breadcrumb [aria-current="page"] {
  color: var(--white-warm);
}

/* ---------- Panels ---------- */
.panel-cut {
  position: relative;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(201, 169, 78, 0.06) 0%, transparent 32%),
    var(--panel-dark);
  border: 1px solid rgba(201, 169, 78, 0.35);
  clip-path: var(--cut-corner);
  transition: border-color 0.3s, background 0.3s;
}

.panel-cut:hover {
  border-color: rgba(201, 169, 78, 0.7);
  background:
    linear-gradient(135deg, rgba(201, 169, 78, 0.1) 0%, transparent 32%),
    var(--panel-dark);
}

/* ---------- Section Headings ---------- */
.section-title {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.08em;
  bottom: 0.08em;
  width: 5px;
  background: linear-gradient(180deg, var(--gold-deep), var(--brown-dim));
  clip-path: polygon(0 0, 100% 15%, 100% 85%, 0 100%);
}

.section-lead {
  color: var(--gray-mist);
  font-size: var(--fs-6);
  margin-bottom: 28px;
  max-width: 60em;
}

/* ---------- Media Frames ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--panel-dark);
  border: 1px solid rgba(201, 169, 78, 0.22);
  aspect-ratio: 16 / 9;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out), filter 0.5s var(--ease-out);
}

.media-frame:hover img {
  transform: scale(1.03);
  filter: brightness(1.08);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  transition: border 0.3s;
  pointer-events: none;
}

.media-frame:hover::after {
  border-color: rgba(201, 169, 78, 0.5);
}

.figure-caption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--gray-mist);
}

/* ---------- Bento Grid ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento > * {
  grid-column: span 4;
}

.bento > .span-3  { grid-column: span 3; }
.bento > .span-4  { grid-column: span 4; }
.bento > .span-5  { grid-column: span 5; }
.bento > .span-6  { grid-column: span 6; }
.bento > .span-7  { grid-column: span 7; }
.bento > .span-8  { grid-column: span 8; }
.bento > .span-9  { grid-column: span 9; }
.bento > .span-12 { grid-column: span 12; }

/* ---------- Text Utilities ---------- */
.text-gold  { color: var(--gold-deep); }
.text-muted { color: var(--gray-mist); }
.text-alert { color: var(--red-alert); }

/* ---------- Scroll Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 56px;
  }

  .site-header {
    background: rgba(10, 10, 10, 0.9);
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    background: rgba(10, 10, 10, 0.98);
    border-top: 1px solid rgba(201, 169, 78, 0.25);
    border-bottom: 1px solid rgba(201, 169, 78, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0.3s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 16px;
  }

  .nav-link {
    padding: 14px 8px;
    font-size: 16px;
    border-bottom: 1px solid rgba(201, 169, 78, 0.12);
    justify-content: flex-start;
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link[aria-current="page"]::after {
    left: 8px;
    right: auto;
    width: 28px;
    bottom: 4px;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 760px) {
  .section {
    padding-block: 48px;
  }

  .bento > *,
  .bento > [class*="span-"] {
    grid-column: 1 / -1 !important;
  }
}

@media (max-width: 620px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .to-top {
    right: 16px;
    bottom: 16px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 560px) {
  .header-inner {
    gap: 10px;
  }

  .brand {
    gap: 10px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-tagline {
    font-size: 10px;
  }

  .brand-version {
    font-size: 10px;
    padding: 1px 5px;
  }
}

@media (max-width: 440px) {
  .brand-text .brand-tagline,
  .brand-version {
    display: none;
  }

  .brand-mark {
    width: 24px;
    height: 24px;
  }

  .brand-mark::before {
    inset: 4px;
  }

  .brand-mark::after {
    inset: 8px;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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