/* ==========================================================
   HG8868皇冠体育 全站共享样式  /assets/site.css
   深色编辑部式数据刊 · 粗野主义 · 金色锚点
   ========================================================== */

/* ---------- 1. Reset & Tokens ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

:root {
  --bg: #0a0a0a;
  --panel: #1a1a1a;
  --white: #ffffff;
  --gold: #d4af37;
  --gold-deep: #a8872e;
  --cyan: #00e5cc;
  --orange: #ff6b35;
  --gray: #666666;
  --gray-light: #9a9a9a;
  --line: #2a2a2a;
  --text: #d6d6d6;

  --font-heading: "Playfair Display", "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --container: 1280px;
  --gutter: clamp(1.125rem, 3vw, 2rem);
  --shadow: 8px 8px 0 rgba(0, 0, 0, 0.42);
}

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

body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.15;
  color: var(--white);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.375rem, 2.5vw, 1.75rem); }

p { margin-block: 0 1rem; }
li p { margin-block: 0; }

ul[class], ol[class] { list-style: none; }

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

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

a { color: inherit; text-decoration: none; }
a:not([class]) {
  border-bottom: 1px solid var(--line);
  transition: color 0.2s ease, border-color 0.2s ease;
}
a:not([class]):hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

::selection { background: var(--gold); color: #0a0a0a; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
#main-content { scroll-margin-top: 2rem; }

/* ---------- 2. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.main-content {
  min-height: 70vh;
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(3rem, 6vw, 5rem);
}

.section { margin-block: clamp(2.5rem, 6vw, 4.5rem); }

.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2-1 { grid-template-columns: 2fr minmax(0, 1fr); }
.grid--1-2 { grid-template-columns: minmax(0, 1fr) 2fr; }
.grid--gap-lg { gap: clamp(1.5rem, 4vw, 3rem); }
.grid--gap-sm { gap: 0.875rem; }

/* ---------- 3. Skip Link & Scroll Progress ---------- */
.skip-link {
  position: absolute;
  top: 0;
  left: 1rem;
  z-index: 1200;
  display: inline-flex;
  align-items: center;
  background: var(--gold);
  color: #0a0a0a;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.75rem 1.25rem;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.45);
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}
.skip-link:focus {
  transform: translateY(1rem);
  outline: none;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--cyan));
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 1200;
  pointer-events: none;
}

/* ---------- 4. Header ---------- */
.site-header {
  position: relative;
  background: var(--bg);
  border-bottom: 2px solid var(--line);
}
.site-header::before {
  content: "";
  display: block;
  height: 5px;
  background: linear-gradient(90deg, var(--gold) 0 88%, var(--cyan) 88% 100%);
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding-block: 1.25rem;
}

.masthead__side {
  display: flex;
  align-items: center;
  min-width: 0;
}
.masthead__side--left { justify-content: flex-start; }
.masthead__side--right { justify-content: flex-end; }

/* 皇冠剪影与品牌字标 */
.crown-mark {
  flex-shrink: 0;
  display: inline-block;
  width: 30px;
  height: 24px;
  background: var(--gold);
  clip-path: polygon(0 35%, 0 100%, 100% 100%, 100% 35%, 78% 55%, 62% 22%, 50% 42%, 38% 22%, 22% 55%);
}
.crown-mark--sm { width: 18px; height: 15px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  justify-self: center;
}
.brand:hover { text-decoration: none; }
.brand__word { display: flex; align-items: baseline; gap: 0.5rem; }
.brand__en {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
  line-height: 1.1;
}
.brand__cn {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  color: var(--white);
  line-height: 1.1;
}
.brand__tag {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--gray-light);
  border: 1px solid var(--line);
  padding: 0.2rem 0.5rem;
  margin-left: 0.375rem;
  white-space: nowrap;
}

/* 实时状态芯片 */
.live-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.375rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--gray-light);
}
.live-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  animation: live-pulse 2s ease-out infinite;
}
@keyframes live-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 229, 204, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(0, 229, 204, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 229, 204, 0); }
}

/* 主导航 */
.site-nav {
  border-top: 1px solid var(--line);
  background: #0c0c0c;
}
.site-nav__container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
}
.site-nav__toggle { display: none; }
.site-nav__toggle-box { display: inline-flex; flex-direction: column; gap: 4px; width: 18px; }
.site-nav__toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--gold);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.site-nav__toggle-text {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.site-nav__list {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: stretch;
}
.site-nav__item { display: flex; }
.site-nav__link {
  position: relative;
  display: inline-flex;
  flex: 1;
  align-items: center;
  padding: 0.9375rem 1.125rem;
  color: #b7b7b7;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  transition: color 0.2s ease;
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 1.125rem;
  right: 1.125rem;
  bottom: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: 50% 100%;
  transition: transform 0.2s ease;
}
.site-nav__link:hover { color: var(--white); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--gold); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 2px solid var(--gold);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  box-shadow: 4px 4px 0 rgba(212, 175, 55, 0.18);
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.btn:hover {
  background: var(--gold);
  color: #0a0a0a;
  box-shadow: 2px 2px 0 rgba(212, 175, 55, 0.3);
  transform: translate(2px, 2px);
  text-decoration: none;
}
.btn--gold { background: var(--gold); color: #0a0a0a; }
.btn--gold:hover { background: #c9a227; border-color: #c9a227; color: #0a0a0a; }
.btn--cyan { border-color: var(--cyan); color: var(--cyan); box-shadow: 4px 4px 0 rgba(0, 229, 204, 0.14); }
.btn--cyan:hover { background: var(--cyan); border-color: var(--cyan); color: #0a0a0a; box-shadow: 2px 2px 0 rgba(0, 229, 204, 0.24); }
.btn--ghost { border-color: var(--white); color: var(--white); box-shadow: none; }
.btn--ghost:hover { background: var(--white); border-color: var(--white); color: #0a0a0a; box-shadow: none; }
.btn--compact { padding: 0.5rem 1rem; font-size: 0.75rem; box-shadow: 3px 3px 0 rgba(212, 175, 55, 0.16); }

/* ---------- 6. Breadcrumb & Page Header ---------- */
.breadcrumb { margin-bottom: 1.75rem; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--gray);
}
.breadcrumb__item + .breadcrumb__item::before {
  content: "◆";
  margin-right: 0.5rem;
  font-size: 0.4375rem;
  color: var(--gold);
  vertical-align: middle;
}
.breadcrumb__item a { color: var(--gray-light); border-bottom: 1px solid transparent; transition: color 0.2s ease, border-bottom-color 0.2s ease; }
.breadcrumb__item a:hover { color: var(--gold); border-bottom-color: var(--gold); text-decoration: none; }
.breadcrumb__item[aria-current="page"] { color: var(--white); }

.page-header {
  border-bottom: 2px solid var(--line);
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
}
.page-title {
  font-family: var(--font-heading);
  font-size: clamp(2.125rem, 4.5vw, 3.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
}
.page-subtitle {
  margin-top: 0.625rem;
  color: var(--gray-light);
  max-width: 62ch;
  font-size: 1.0625rem;
}

/* ---------- 7. Panels ---------- */
.panel {
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.panel--gold { border-color: var(--gold); box-shadow: 8px 8px 0 rgba(212, 175, 55, 0.14); }
.panel--cyan { border-color: var(--cyan); box-shadow: 8px 8px 0 rgba(0, 229, 204, 0.12); }
.panel--orange { border-color: var(--orange); box-shadow: 8px 8px 0 rgba(255, 107, 53, 0.12); }
.panel--white {
  background: var(--white);
  border-color: var(--white);
  color: #1a1a1a;
  box-shadow: 8px 8px 0 rgba(255, 255, 255, 0.08);
}
.panel--white h1,
.panel--white h2,
.panel--white h3 { color: #0a0a0a; }
.panel--flat { box-shadow: none; }

.panel__title {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 0.875rem;
}
.panel__title::before { content: "◆"; font-size: 0.625rem; color: var(--gold); }
.panel--cyan .panel__title::before { color: var(--cyan); }
.panel--orange .panel__title::before { color: var(--orange); }
.panel--white .panel__title { color: #0a0a0a; }
.panel--white .panel__title::before { color: var(--gold); }
.panel__body { color: #c0c0c0; font-size: 0.9375rem; line-height: 1.75; }
.panel--white .panel__body { color: #3a3a3a; }

/* ---------- 8. Section Heading, Eyebrow, Divider ---------- */
.section-heading {
  border-left: 4px solid var(--gold);
  margin-bottom: 2rem;
  padding-left: 1.25rem;
}
.section-heading--cyan { border-left-color: var(--cyan); }
.section-heading--orange { border-left-color: var(--orange); }
.section-heading__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
  margin-bottom: 0.375rem;
}
.section-heading__title {
  font-family: var(--font-heading);
  font-size: clamp(1.625rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
}
.section-heading--gold .section-heading__title { color: var(--gold); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--gold); }

.divider { height: 2px; background: var(--line); border: 0; margin-block: 2.5rem; }
.divider--gold { height: 4px; background: var(--gold); }

/* ---------- 9. Tags, Stats, Data List, Data Bar ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border: 1px solid var(--line);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gray-light);
}
.tag--gold { border-color: var(--gold); color: var(--gold); }
.tag--cyan { border-color: var(--cyan); color: var(--cyan); }
.tag--orange { border-color: var(--orange); color: var(--orange); }
.tag--solid { background: var(--gold); border-color: var(--gold); color: #0a0a0a; font-weight: 700; }

.stat {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--panel);
  border: 2px solid var(--line);
  padding: 1rem 1.25rem;
}
.stat--gold { border-color: var(--gold); }
.stat--cyan { border-color: var(--cyan); }
.stat--orange { border-color: var(--orange); }
.stat__value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
}
.stat--gold .stat__value { color: var(--gold); }
.stat--cyan .stat__value { color: var(--cyan); }
.stat--orange .stat__value { color: var(--orange); }
.stat__label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-light);
}
.stat__delta { font-family: var(--font-mono); font-size: 0.75rem; color: var(--cyan); }

.data-list { border-top: 2px solid var(--line); }
.data-list__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}
.data-list__label { color: var(--gray-light); font-size: 0.875rem; }
.data-list__value { font-family: var(--font-mono); font-weight: 700; color: var(--white); }
.data-list__value--gold { color: var(--gold); }
.data-list__value--cyan { color: var(--cyan); }
.data-list__value--orange { color: var(--orange); }

.data-bar {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  padding: 0.5rem;
  background: var(--bg);
  border: 2px solid var(--line);
}
.data-bar__item {
  flex: 1;
  min-width: 4px;
  background: var(--line);
  border-top: 2px solid var(--gold);
  transition: height 0.2s ease;
}
.data-bar__item--highlight { background: var(--cyan); border-top-color: var(--cyan); }

/* ---------- 10. Tabs ---------- */
.tabs { margin-block: 1.5rem; }
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 3px solid var(--line);
}
.tabs__tab {
  display: inline-flex;
  align-items: center;
  border: 2px solid var(--line);
  border-bottom: none;
  padding: 0.75rem 1.375rem;
  margin: 0 4px 0 0;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gray-light);
  background: transparent;
  cursor: pointer;
  position: relative;
  top: 3px;
  appearance: none;
  -webkit-appearance: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.tabs__tab:hover { color: var(--white); border-color: var(--gray-light); }
.tabs__tab[aria-selected="true"] {
  background: var(--panel);
  border-color: var(--gold) var(--gold) var(--panel) var(--gold);
  color: var(--gold);
}
.tabs__panel { display: none; background: var(--panel); border: 2px solid var(--line); border-top: 1px solid var(--line); padding: 1.5rem; }
.tabs__panel:not([hidden]) { display: block; }

/* ---------- 11. Timeline ---------- */
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--line) 45%, var(--line) 100%);
}
.timeline__item {
  position: relative;
  padding-bottom: 2rem;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  width: 12px;
  height: 12px;
  background: var(--bg);
  border: 3px solid var(--gold);
  transform: rotate(45deg);
}
.timeline__date {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.timeline__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.125rem;
  color: var(--white);
  margin-block: 0.25rem 0.5rem;
}
.timeline__content { color: var(--gray-light); font-size: 0.9375rem; line-height: 1.7; }
.timeline__tag { margin-top: 0.625rem; }

/* ---------- 12. Image Frames ---------- */
.img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
}
.img-frame > img { display: block; width: 100%; height: 100%; object-fit: cover; }
.img-frame--16-9 { aspect-ratio: 16 / 9; }
.img-frame--4-3 { aspect-ratio: 4 / 3; }
.img-frame--square { aspect-ratio: 1 / 1; }
.img-frame--tall { aspect-ratio: 3 / 4; }
.img-frame--placeholder::before {
  content: "IMAGE AREA";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--gray-light);
  background:
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(255, 255, 255, 0.03) 14px 28px),
    var(--panel);
}
.img-frame[data-caption]::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.375rem 0.75rem;
  background: rgba(8, 8, 8, 0.72);
  color: #d0d0d0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

/* ---------- 13. Footer ---------- */
.site-footer {
  background: #060606;
  border-top: 5px solid var(--gold);
  margin-top: clamp(3rem, 7vw, 5.5rem);
}
.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr) minmax(0, 1.3fr) minmax(0, 0.9fr);
  gap: clamp(1.5rem, 4vw, 3.25rem);
  padding-block: 3.5rem 2.75rem;
}
.site-footer__nav,
.site-footer__contact,
.site-footer__legal { min-width: 0; }

.site-footer__brand-row {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1rem;
}
.site-footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.08em;
  line-height: 1;
}
.site-footer__brand-en {
  color: var(--gold);
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-right: 0.375rem;
}
.site-footer__brand-desc {
  color: #8c8c8c;
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 48ch;
  margin-bottom: 1.5rem;
}
.site-footer__trust-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--gray);
  border-left: 3px solid var(--gold);
  padding-left: 0.875rem;
  max-width: 46ch;
}

.site-footer__heading {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 1.125rem;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  color: var(--white);
}
.site-footer__heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}

.link-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}
.link-list--compact { gap: 0.375rem; }
.link-list a {
  color: #b5b5b5;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-bottom-color 0.2s ease;
}
.link-list a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
  text-decoration: none;
}

.site-footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  border-top: 1px solid var(--line);
  padding-block: 1.25rem;
  font-size: 0.8125rem;
  color: var(--gray);
}
.site-footer__copyright { margin: 0; }
.site-footer__icp {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.site-footer__watermark {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 78px;
  overflow: hidden;
  border-top: 1px solid var(--line);
}
.site-footer__watermark span {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 11vw;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(212, 175, 55, 0.15);
  user-select: none;
}

/* ---------- 14. Responsive ---------- */
@media (max-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 767.98px) {
  .grid--2,
  .grid--3,
  .grid--2-1,
  .grid--1-2 { grid-template-columns: minmax(0, 1fr); }

  .masthead {
    grid-template-columns: 1fr;
    justify-items: center;
    padding-block: 1rem;
  }
  .masthead__side { display: none; }
  .brand__tag { display: none; }
  .brand__en,
  .brand__cn { font-size: 1.125rem; }

  .site-nav { position: relative; }
  .site-nav__container {
    justify-content: flex-end;
    min-height: 0;
    padding-block: 0.5rem;
  }
  .site-nav__toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    border: 1px solid var(--line);
    background: var(--panel);
    padding: 0.5rem 0.875rem;
    color: #c9c9c9;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    cursor: pointer;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
    appearance: none;
    -webkit-appearance: none;
  }
  .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2) { opacity: 0; }
  .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    background: #0c0c0c;
    border-bottom: 3px solid var(--gold);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.55);
    z-index: 110;
  }
  .site-nav[data-open] .site-nav__list { display: flex; }
  .site-nav__link {
    padding: 0.9375rem 1.375rem;
    border-top: 1px solid var(--line);
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] {
    background: rgba(212, 175, 55, 0.06);
    box-shadow: inset 3px 0 0 var(--gold);
  }

  .tabs__list {
    flex-direction: column;
    border-bottom: 0;
    gap: 0.5rem;
  }
  .tabs__tab {
    top: 0;
    border: 2px solid var(--line);
    border-bottom: 2px solid var(--line);
    margin: 0;
  }
  .tabs__tab[aria-selected="true"] {
    border-color: var(--gold);
    background: var(--panel);
    color: var(--gold);
  }
  .tabs__panel { border-top: 2px solid var(--line); }
}

@media (max-width: 680px) {
  .site-footer__top { grid-template-columns: 1fr; }
  .site-footer__brand { grid-column: auto; }
  .site-footer__bottom { flex-direction: column; text-align: center; }
  .site-footer__watermark { height: 56px; }
  .site-footer__watermark span { font-size: 13vw; }
}

/* ---------- 15. 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;
  }
  .scroll-progress { display: none; }
}