/* ============================================================
   云顶集团中心 · 共享站点样式 /assets/site.css
   深空蓝基座 / 云顶金锚点 / 细线坐标网格 / 硬边框偏移阴影
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --deep-sea: #071426;
  --midnight: #0E2038;
  --gold: #E8B45A;
  --gold-soft: #F5D9A6;
  --aurora: #5FE3D4;
  --twilight: #7D6BFF;
  --coral: #FF7A5C;
  --cloud: #F4F7FB;
  --mist: #9BAEC4;
  --ink: #050A12;

  --line: rgba(155, 174, 196, .22);
  --line-soft: rgba(155, 174, 196, .12);
  --line-gold: rgba(232, 180, 90, .38);

  --font-display: "Inter Tight", "Sora", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", ui-monospace, "Courier New", monospace;

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 56px);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: 160ms;
}

/* ---------- 2. 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--deep-sea);
  background-image:
    linear-gradient(rgba(155, 174, 196, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 174, 196, .055) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: center top;
  color: var(--cloud);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--cloud);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

a {
  color: var(--gold-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
a:hover { color: var(--aurora); }

button { font: inherit; color: inherit; }

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

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

#main-content { scroll-margin-top: 140px; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

/* ---------- 3. 通用工具 ---------- */
.shell {
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.coord {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  display: inline-block;
  padding: 10px 18px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(5, 10, 18, .8);
  transform: translateY(-220%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); color: var(--ink); }

/* ---------- 5. 头部：双层仪表面板 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--deep-sea);
}

/* 5.1 上层品牌说明条 */
.console-strip {
  background: linear-gradient(90deg, #050A12 0%, #0B1A2E 46%, #071426 100%);
  border-bottom: 1px solid var(--line-gold);
}
.console-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 58px;
  padding-block: 9px;
}
.console-strip__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}
.console-strip__pulse {
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--aurora);
  box-shadow: 0 0 0 3px rgba(95, 227, 212, .16);
}

/* 5.2 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--cloud);
}
.brand:hover { color: var(--cloud); }
.brand__mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  box-shadow: 3px 3px 0 rgba(232, 180, 90, .2);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.brand:hover .brand__mark,
.brand:focus-visible .brand__mark {
  color: var(--gold-soft);
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 rgba(232, 180, 90, .28);
}
.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand__name {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.2;
  color: var(--cloud);
}
.brand__line {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  line-height: 1.2;
  color: var(--mist);
}

/* 5.3 下层栏目甲板 */
.nav-deck {
  position: relative;
  background: rgba(7, 20, 38, .97);
  border-bottom: 2px solid var(--ink);
  box-shadow: 0 6px 0 rgba(5, 10, 18, .45);
}
.nav-deck__inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 32px);
  min-height: 64px;
}
.nav-deck__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 10px;
  flex: none;
}

.primary-nav {
  display: flex;
  align-items: stretch;
  min-width: 0;
}
.primary-nav__list {
  display: flex;
  align-items: stretch;
  counter-reset: navidx;
  gap: 0;
}
.primary-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 64px;
  padding: 0 clamp(9px, 1.3vw, 17px);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--mist);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.primary-nav__link::before {
  counter-increment: navidx;
  content: counter(navidx, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--gold);
  opacity: .5;
  transition: opacity var(--dur) var(--ease);
}
.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--aurora));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms var(--ease);
}
.primary-nav__link:hover,
.primary-nav__link:focus-visible {
  color: var(--cloud);
  background: rgba(232, 180, 90, .07);
}
.primary-nav__link:hover::before,
.primary-nav__link:focus-visible::before { opacity: 1; }
.primary-nav__link:hover::after,
.primary-nav__link:focus-visible::after { transform: scaleX(1); }
.primary-nav__link[aria-current="page"] {
  color: var(--cloud);
  background: rgba(232, 180, 90, .05);
}
.primary-nav__link[aria-current="page"]::before { opacity: 1; color: var(--gold-soft); }
.primary-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--gold);
}

/* 5.4 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 10px 14px;
  background: transparent;
  color: var(--cloud);
  border: 1px solid rgba(155, 174, 196, .4);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--gold); color: var(--gold-soft); }
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px;
  height: 12px;
}
.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--gold);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.nav-toggle__label { display: inline-block; }

/* 5.5 滚动进度轨 */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  overflow: hidden;
  background: rgba(155, 174, 196, .14);
  pointer-events: none;
  z-index: 2;
}
.scroll-meter__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--gold) 0%, var(--aurora) 58%, var(--twilight) 100%);
}
@media (prefers-reduced-motion: no-preference) {
  .scroll-meter__fill { transition: transform 90ms linear; }
}

/* ---------- 6. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 11px 18px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.btn--solid {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
  box-shadow: 4px 4px 0 var(--ink);
}
.btn--solid:hover {
  background: var(--gold-soft);
  color: var(--ink);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}
.btn--ghost {
  background: transparent;
  color: var(--cloud);
  border-color: rgba(155, 174, 196, .42);
  box-shadow: 4px 4px 0 rgba(5, 10, 18, .6);
}
.btn--ghost:hover {
  color: var(--aurora);
  border-color: var(--aurora);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(5, 10, 18, .6);
}

/* ---------- 7. 页脚：坐标图例收束 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 120px);
  background: linear-gradient(180deg, rgba(14, 32, 56, .96) 0%, #050A12 64%, #050A12 100%);
  border-top: 2px solid var(--gold);
  color: var(--mist);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(155, 174, 196, .07) 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  pointer-events: none;
}
.site-footer .shell { position: relative; z-index: 1; }

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(24px, 4vw, 64px);
  padding-block: clamp(40px, 6vw, 76px);
}

.footer-brand__coord { margin: 0 0 14px; }
.footer-brand__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 600;
  letter-spacing: -.025em;
  line-height: 1.15;
  color: var(--cloud);
}
.footer-brand__line {
  margin: 0 0 16px;
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--gold-soft);
}
.footer-brand__note {
  margin: 0;
  max-width: 38ch;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(155, 174, 196, .88);
}

.footer-index__title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cloud);
}
.footer-index__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 20px;
}
.footer-index__list a {
  display: block;
  padding: 7px 0;
  font-size: 14px;
  color: var(--mist);
  border-bottom: 1px solid var(--line-soft);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.footer-index__list a:hover {
  color: var(--gold);
  padding-left: 6px;
}

.footer-contact__list {
  display: grid;
  gap: 15px;
}
.footer-contact__k {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  color: var(--aurora);
}
.footer-contact__v {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cloud);
  overflow-wrap: anywhere;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  padding-block: 20px 28px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(155, 174, 196, .75);
}
.footer-base__item { margin: 0; }
.footer-base__item a { color: rgba(244, 247, 251, .82); }
.footer-base__item a:hover { color: var(--gold); }
.footer-base__icp { margin-left: auto; color: rgba(155, 174, 196, .62); }

/* ---------- 8. 页面基础组件 ---------- */
.breadcrumbs {
  padding-block: 20px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.breadcrumbs li + li::before {
  content: "/";
  color: rgba(232, 180, 90, .55);
}
.breadcrumbs a { color: var(--mist); }
.breadcrumbs a:hover { color: var(--gold); }
.breadcrumbs [aria-current="page"] { color: var(--cloud); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  flex: none;
  background: currentColor;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line-gold);
  background: rgba(232, 180, 90, .08);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  line-height: 1.4;
  color: var(--gold-soft);
}
.tag--aurora {
  color: var(--aurora);
  border-color: rgba(95, 227, 212, .4);
  background: rgba(95, 227, 212, .08);
}
.tag--coral {
  color: var(--coral);
  border-color: rgba(255, 122, 92, .4);
  background: rgba(255, 122, 92, .08);
}

.data-plate {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, rgba(14, 32, 56, .9) 0%, rgba(7, 20, 38, .74) 100%);
  box-shadow: 8px 8px 0 rgba(5, 10, 18, .55);
}
.data-plate::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
  pointer-events: none;
}

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, #0E2038 0%, #071426 58%, #101C33 100%);
}
.media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 28px);
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist);
}
.prose p + p { margin-top: 1em; }
.prose h3 {
  margin-top: 1.6em;
  margin-bottom: .5em;
  font-size: clamp(20px, 2vw, 26px);
  color: var(--cloud);
}
.prose strong { color: var(--cloud); }
.prose a {
  color: var(--gold-soft);
  border-bottom: 1px solid rgba(232, 180, 90, .45);
}
.prose a:hover { color: var(--aurora); border-bottom-color: currentColor; }

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1000px) {
  .console-strip__inner {
    min-height: 54px;
    gap: 12px;
  }
  .console-strip__meta {
    font-size: 10px;
    letter-spacing: .06em;
  }
  .nav-deck__inner {
    min-height: 62px;
    justify-content: flex-end;
  }
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    background: linear-gradient(180deg, #0E2038 0%, #071426 100%);
    border-top: 1px solid var(--line-gold);
    border-bottom: 2px solid var(--ink);
    box-shadow: 0 18px 32px rgba(5, 10, 18, .6);
  }
  .primary-nav[data-open="true"] { display: block; }
  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
  }
  .primary-nav__link {
    min-height: 0;
    width: 100%;
    padding: 15px 24px;
    font-size: 15px;
    border-bottom: 1px solid var(--line-soft);
  }
  .primary-nav__link::after { display: none; }
  .primary-nav__link[aria-current="page"] {
    background: rgba(232, 180, 90, .12);
    box-shadow: inset 3px 0 0 var(--gold);
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .console-strip__meta { display: none; }
  .btn--ghost { display: none; }
  .footer-base { gap: 6px 18px; font-size: 10.5px; }
  .footer-base__icp { margin-left: 0; width: 100%; }
}

@media (max-width: 600px) {
  .brand__line { font-size: 9px; letter-spacing: .12em; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-index__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-deck__actions { gap: 8px; }
  .btn { padding: 10px 13px; font-size: 11px; letter-spacing: .05em; }
  .nav-toggle { padding: 10px 11px; }
  .grid-12 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .primary-nav__link:hover::after,
  .primary-nav__link:focus-visible::after { transform: scaleX(1); }
}