:root {
  --bg: #11110f;
  --surface: #191a16;
  --panel: #22231d;
  --gold: #f4d51e;
  --gold-hover: #ffe64e;
  --ink: #f5f5ef;
  --muted: #b4b7a7;
  --line: #36392d;
  --width: 1240px;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 106px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.75; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, summary { cursor: pointer; }
button { color: inherit; }
a, button, summary { transition: background .18s, border-color .18s, color .18s, box-shadow .18s, transform .18s; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
a:active, button:active { transform: translateY(1px); }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.3; overflow-wrap: break-word; }
h1 { font-size: clamp(1.8rem, 3.1vw, 2.65rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.35rem, 2.1vw, 1.85rem); }
h3 { font-size: 1.15rem; }
p { color: var(--muted); }
img, svg { display: block; max-width: 100%; height: auto; }
.container { width: min(var(--width), calc(100% - 48px)); margin: auto; }
.site-header { position: sticky; top: 0; z-index: 40; background: #11110ff5; border-bottom: 1px solid var(--line); box-shadow: 0 4px 24px #0002; }
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 88px; gap: 24px; }
.logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo img { width: 125px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a { padding: 13px 12px; font-size: .83rem; font-weight: 700; color: #d4d6c8; border-bottom: 2px solid transparent; white-space: nowrap; }
.main-nav a:hover { color: var(--gold); background: #f4d51e08; }
.main-nav a[aria-current=page] { color: var(--gold); border-color: var(--gold); }
.header-actions, .auth-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid var(--line); border-radius: 6px; padding: 11px 18px; font-size: .87rem; line-height: 1.4; font-weight: 700; text-align: center; }
.button-gold { background: var(--gold); border-color: var(--gold); color: #161809; }
.button-gold:hover { background: var(--gold-hover); border-color: var(--gold-hover); }
.button-outline { background: transparent; border-color: #7d8162; color: var(--ink); }
.button-outline:hover { background: #f4d51e0c; border-color: var(--gold); color: var(--gold); }
.auth-button { min-height: 38px; padding: 8px 13px; font-size: .8rem; white-space: nowrap; }
.language-dropdown { position: relative; }
.globe-button, .menu-toggle { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; padding: 0; border: 1px solid #64694c; color: var(--gold); background: transparent; }
.globe-button { border-radius: 50%; list-style: none; }
.globe-button::-webkit-details-marker { display: none; }
.globe-button:hover, .language-dropdown[open] .globe-button { background: #f4d51e15; border-color: var(--gold); }
.language-menu { position: absolute; right: 0; top: calc(100% + 12px); width: 160px; padding: 6px; border: 1px solid #65694c; border-radius: 9px; background: #22231d; box-shadow: 0 12px 32px #0008; }
.language-menu a { display: block; padding: 9px 12px; font-size: .82rem; border-radius: 4px; }
.language-menu a:hover { background: #f4d51e18; }
.language-menu a[aria-current=true] { background: var(--gold); color: #171809; font-weight: 700; }
.menu-toggle { display: none; border-radius: 5px; font-size: 21px; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; background: var(--gold); color: #111; padding: 10px 15px; transform: translateY(-200%); }
.skip-link:focus { transform: none; }
section { padding: 48px 0; border-bottom: 1px solid var(--line); }
.hero { padding-top: 38px; background: #141510; }
.eyebrow { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .14em; color: var(--gold); margin-bottom: 14px; }
.hero-copy { margin-bottom: 27px; }
.home-hero .hero-copy h1 { max-width: 980px; }
.hero-copy > p { margin-top: 16px; font-size: 1rem; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 22px; }
.hero-slider { border: 1px solid #555739; border-radius: var(--radius); overflow: hidden; background: #000; box-shadow: 0 12px 28px #0003; }
.hero-slide img { width: 100%; aspect-ratio: 1920 / 570; object-fit: contain; }
.slider-controls { display: flex; gap: 12px; align-items: center; padding: 12px 17px; min-height: 50px; background: var(--surface); border-top: 1px solid var(--line); }
#slide-title { font-size: .8rem; font-weight: 700; flex: 1; }
.slider-dots { display: flex; gap: 7px; }
.slider-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 20px; background: #6e715a; }
.slider-dots button[aria-pressed=true] { width: 22px; background: var(--gold); }
.slider-dots button:hover { background: var(--gold); }
.slider-arrow { display: flex; align-items: center; justify-content: center; width: 30px; height: 28px; background: #282a20; border: 1px solid #454834; border-radius: 4px; font-size: 20px; }
.slider-arrow:hover { border-color: var(--gold); color: var(--gold); }
.article-intro { padding-top: 25px; margin-top: 27px; border-top: 1px solid var(--line); max-width: 1040px; }
.article-intro p { color: #c3c6b7; font-size: .98rem; }
.breadcrumbs { display: flex; gap: 10px; font-size: .78rem; color: var(--muted); margin-bottom: 26px; }
.breadcrumbs a:hover { color: var(--gold); }
.inner-hero-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; }
.inner-hero-grid > * { min-width: 0; }
.inner-hero-grid .hero-copy { margin: 0; }
.inner-hero-image { border-radius: var(--radius); overflow: hidden; border: 1px solid #575b3c; }
.inner-hero-image img { width: 100%; aspect-ratio: 800 / 450; object-fit: contain; }
.channels { padding: 25px 0; background: #1a1b14; }
.channel-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.channel-card { display: flex; align-items: center; gap: 12px; padding: 19px 16px; border: 1px solid var(--line); border-radius: 9px; background: #202219; }
.channel-card:hover { border-color: #b59f2a; background: #292c1f; }
.channel-index { color: var(--gold); font-size: .76rem; font-weight: 700; }
.channel-card h2 { font-size: .95rem; }
.channel-card p { font-size: .73rem; margin-top: 4px; }
.channel-card .arrow { margin-left: auto; color: var(--gold); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 27px; }
.section-head p { max-width: 430px; font-size: .88rem; }
.promo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 24px 0; }
.promo-card { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); box-shadow: 0 6px 18px #0002; }
.promo-card:hover { border-color: #8b813e; box-shadow: 0 8px 22px #0004; }
.promo-card img { width: 100%; aspect-ratio: 530 / 290; object-fit: contain; background: #000; }
.promo-card-body { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; }
.promo-card h3 { font-size: .94rem; }
.text-button { flex-shrink: 0; padding: 6px 0; color: var(--gold); font-size: .75rem; background: transparent; border: 0; }
.text-button:hover { color: #fff18c; text-decoration: underline; }
.more-promotions > summary { display: flex; gap: 20px; justify-content: center; width: fit-content; margin: 0 auto; padding: 11px 25px; border: 1px solid #6a7047; border-radius: 6px; color: var(--gold); font-size: .85rem; list-style: none; }
.more-promotions > summary::-webkit-details-marker { display: none; }
.more-promotions > summary:hover { background: #f4d51e0c; border-color: var(--gold); }
.article-section:nth-of-type(even) { background: #191a15; }
.article-heading { display: flex; gap: 20px; align-items: flex-start; margin-bottom: 24px; max-width: 1120px; }
.section-number { color: var(--gold); font-size: .78rem; padding-top: 7px; min-width: 25px; font-weight: 700; }
.prose { max-width: 1060px; color: var(--muted); }
.prose p + p { margin-top: 12px; }
.prose h3 { color: #eeeacb; margin: 27px 0 12px; font-size: 1.08rem; }
.article-image { max-width: 880px; margin: 27px 0; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: #11120e; }
.article-image img { width: 100%; }
.article-image figcaption { font-size: .76rem; color: #babda8; padding: 10px 16px; }
.wide-feature { margin: 25px 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.wide-feature img { width: 100%; }
.table-scroll { overflow-x: auto; margin: 22px 0; border: 1px solid #464b32; border-radius: 9px; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th { text-align: left; background: #303321; color: #fff5b0; font-weight: 700; }
th, td { padding: 13px 16px; border-bottom: 1px solid #383c29; vertical-align: top; }
td { color: #c6c9b8; }
tr:nth-child(even) td { background: #f5d51e04; }
tr:last-child td { border-bottom: 0; }
.source-link { margin-top: 22px !important; font-size: .75rem; color: #d6d8b2; }
.source-link a { border-bottom: 1px solid #646748; }
.source-link a:hover { color: var(--gold); }
.faq { max-width: 1040px; }
.faq-item { border: 1px solid var(--line); background: #20221a; border-radius: 9px; margin-top: 12px; }
.faq-item summary { padding: 17px 20px; font-size: .94rem; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:after { content: '+'; color: var(--gold); flex-shrink: 0; }
.faq-item[open] summary:after { content: '−'; }
.faq-item summary:hover { background: #f4d51e05; }
.faq-answer { padding: 0 20px 20px; font-size: .93rem; }
.faq-answer p + p { margin-top: 10px; }
.conclusion .prose { padding: 27px; background: #22261a; border-left: 3px solid var(--gold); border-radius: 0 9px 9px 0; }
.site-footer { padding: 36px 0 25px; background: #0b0c09; }
.footer-top { display: flex; align-items: center; gap: 34px; padding-bottom: 25px; }
.footer-top p { max-width: 760px; font-size: .82rem; }
.back-top { margin-left: auto; border: 1px solid #585e39; border-radius: 6px; padding: 4px 13px; font-size: 22px; color: var(--gold); }
.back-top:hover { background: #f4d51e10; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding-top: 18px; border-top: 1px solid var(--line); color: #909781; font-size: .73rem; }
.promotion-dialog { background: #1d2017; color: var(--ink); width: min(590px, calc(100% - 28px)); padding: 0; border: 1px solid #797b3b; border-radius: 12px; box-shadow: 0 20px 70px #0009; max-height: calc(100dvh - 30px); }
.promotion-dialog::backdrop { background: #000b; }
.dialog-header { display: flex; align-items: center; gap: 20px; justify-content: space-between; padding: 17px 22px; border-bottom: 1px solid var(--line); }
.dialog-header h2 { font-size: 1.15rem; }
.close-dialog { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; background: #252a1a; color: var(--gold); font-size: 24px; line-height: 1; }
.close-dialog:hover { border-color: var(--gold); }
.dialog-body { padding: 22px; }
.dialog-body img { width: 100%; border-radius: 7px; }
.dialog-body p { margin-top: 18px; font-size: .9rem; }
@media (max-width: 1100px) {
  .header-row { min-height: 74px; gap: 0; flex-wrap: wrap; padding: 12px 0; }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: flex; }
  .main-nav { display: none; order: 3; flex-direction: column; width: 100%; align-items: stretch; padding-top: 12px; }
  .main-nav.open { display: flex; }
  .main-nav a { border-bottom: 0; border-left: 3px solid transparent; border-radius: 4px; }
  .main-nav a[aria-current=page] { border-left-color: var(--gold); background: #f4d51e08; }
  .inner-hero-grid { gap: 28px; }
  .channel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .promo-card-body { align-items: flex-start; flex-direction: column; gap: 3px; }
}
@media (max-width: 768px) {
  html { scroll-padding-top: 84px; }
  .container { width: calc(100% - 32px); }
  section { padding: 34px 0; }
  .logo img { width: 105px; }
  .inner-hero-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { max-width: 650px; }
  .hero-slider img { aspect-ratio: auto; }
  .slider-controls { flex-wrap: wrap; gap: 9px; }
  .slider-dots { margin-left: auto; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 13px; }
  .section-head p { max-width: 100%; }
  .promo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .article-heading { gap: 14px; }
  .article-image { margin: 23px 0; }
  .footer-top { flex-wrap: wrap; gap: 20px; }
  .footer-top p { order: 3; flex-basis: 100%; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 24px); }
  .logo img { width: 85px; }
  .header-actions { gap: 6px; }
  .auth-actions { gap: 5px; }
  .auth-button { min-height: 34px; padding: 7px 9px; font-size: .71rem; }
  .globe-button, .menu-toggle { width: 31px; height: 31px; }
  .header-row { min-height: 65px; padding: 10px 0; }
  .hero { padding-top: 25px; }
  h1 { font-size: 1.8rem; }
  .hero-copy > p { font-size: .9rem; }
  .hero-buttons .button { padding: 10px 14px; font-size: .8rem; }
  .article-intro { margin-top: 22px; padding-top: 20px; }
  .article-intro p, .prose { font-size: .94rem; }
  .hero-slider { border-radius: 8px; }
  .slider-controls { padding: 10px 12px; }
  #slide-title { flex-basis: 100%; font-size: .76rem; }
  .slider-dots { margin-left: 0; flex: 1; }
  .channels { padding: 20px 0; }
  .channel-grid { gap: 10px; }
  .channel-card { padding: 14px 11px; gap: 8px; }
  .channel-card h2 { font-size: .81rem; }
  .channel-card p { font-size: .67rem; }
  .channel-index, .channel-card .arrow { display: none; }
  .promo-grid { grid-template-columns: 1fr; gap: 15px; }
  .promo-card-body { flex-direction: row; align-items: center; padding: 12px 15px; }
  .promo-card h3 { font-size: .88rem; }
  .text-button { font-size: .73rem; }
  .section-number { display: none; }
  .article-heading h2 { font-size: 1.32rem; }
  .prose h3 { font-size: 1.04rem; }
  th, td { padding: 11px 13px; min-width: 125px; }
  table { font-size: .8rem; }
  .article-image figcaption { font-size: .71rem; padding: 9px 12px; }
  .faq-item summary { padding: 15px 16px; font-size: .87rem; }
  .faq-answer { padding: 0 16px 17px; }
  .conclusion .prose { padding: 20px; }
  .dialog-header, .dialog-body { padding: 16px; }
}
@media (max-width: 380px) {
  .logo img { width: 71px; }
  .header-actions { gap: 5px; }
  .auth-button { font-size: .67rem; padding: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { animation: none !important; transition: none !important; }
}