/* ==========================================================================
   360体育登录 — 共享样式 /assets/site.css
   深空蓝档案室 · Bento 信息板 · 荧光绿数据强调
   ========================================================================== */

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

* { margin: 0; padding: 0; }

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

img, picture, svg, video, canvas {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

ul, ol { list-style: none; }

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

table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  --c-deep: #0A1430;
  --c-midnight: #060C1F;
  --c-panel: #10203F;
  --c-panel-2: #16294C;
  --c-green: #35F09A;
  --c-amber: #FFA53D;
  --c-violet: #9B6BFF;
  --c-ice: #74D8FF;
  --c-text: #EAF1FF;
  --c-muted: #98A7C4;
  --c-line: #22345C;

  --ink-on-green: #04160D;

  --f-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC",
    sans-serif;
  --f-data: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --r-sm: 12px;
  --r-card: 22px;
  --r-lg: 28px;
  --r-pill: 999px;

  --gap: 20px;
  --shell: 1240px;
  --pad-x: 20px;

  --t-fast: 180ms ease-out;
  --t-mid: 300ms ease-out;

  --glow-green: 0 18px 42px -26px rgba(53, 240, 154, .85);
}

@media (min-width: 900px) {
  :root { --pad-x: 40px; }
}

/* ---------- 3. 基础排版 ---------- */
body {
  position: relative;
  min-height: 100vh;
  background-color: var(--c-deep);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 全站低透明网格底纹，制造档案室的空间纵深 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(116, 216, 255, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(116, 216, 255, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(125% 85% at 50% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(125% 85% at 50% 0%, #000 0%, transparent 76%);
}

main,
.site-header,
.site-footer {
  position: relative;
  z-index: 1;
}

#main-content { scroll-margin-top: 118px; }

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

strong { font-weight: 700; }

code, kbd, samp, .mono {
  font-family: var(--f-data);
  font-variant-numeric: tabular-nums;
}

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 3px;
}

/* ---------- 4. 跳过链接 ---------- */
.skip-link {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  background: var(--c-green);
  color: var(--ink-on-green);
  font-size: 14px;
  font-weight: 700;
  transform: translateY(-180%);
  transition: transform var(--t-fast);
}

.skip-link:focus { transform: translateY(0); }

/* ---------- 5. 顶部阅读进度 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--c-green), var(--c-ice) 52%, var(--c-violet));
  pointer-events: none;
}

/* ---------- 6. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(6, 12, 31, .94);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--c-line);
}

/* 6.1 上层品牌说明条 */
.header-rail {
  max-height: 58px;
  overflow: hidden;
  border-bottom: 1px solid rgba(34, 52, 92, .75);
  background:
    linear-gradient(90deg, rgba(53, 240, 154, .11), rgba(155, 107, 255, .10) 52%, rgba(10, 20, 48, 0) 88%);
  transition: max-height var(--t-mid), opacity var(--t-mid), border-color var(--t-mid);
}

.site-header[data-condensed="true"] .header-rail {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.rail-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 9px var(--pad-x);
  font-size: 13px;
  line-height: 1.45;
}

.rail-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  min-width: 0;
}

.rail-mark {
  flex: none;
  padding: 2px 10px;
  border: 1px solid rgba(53, 240, 154, .55);
  border-radius: var(--r-pill);
  font-family: var(--f-data);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--c-green);
}

.rail-text {
  color: var(--c-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail-ticker {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
  margin-left: 12px;
}

.rail-ticker-label {
  flex: none;
  font-family: var(--f-data);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-violet);
}

.rail-ticker-track {
  display: grid;
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, #000 86%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 86%, transparent 100%);
}

.rail-ticker-track > li {
  grid-area: 1 / 1;
  color: var(--c-ice);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  animation: rail-cycle 15s ease-out infinite;
}

.rail-ticker-track > li:nth-child(2) { animation-delay: 5s; }
.rail-ticker-track > li:nth-child(3) { animation-delay: 10s; }

@keyframes rail-cycle {
  0% { opacity: 0; }
  3% { opacity: 1; }
  30% { opacity: 1; }
  34% { opacity: 0; }
  100% { opacity: 0; }
}

.rail-status {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: 12px;
  font-family: var(--f-data);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--c-muted);
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(53, 240, 154, .16);
  animation: dot-breathe 3.2s ease-in-out infinite;
}

@keyframes dot-breathe {
  0%, 100% { box-shadow: 0 0 0 4px rgba(53, 240, 154, .16); }
  50% { box-shadow: 0 0 0 7px rgba(53, 240, 154, .05); }
}

/* 6.2 下层栏目导航 */
.header-nav { position: relative; }

.nav-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 10px var(--pad-x);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: none;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.nav-brand::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--c-green);
  box-shadow: 0 0 14px rgba(53, 240, 154, .8);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1 1 auto;
  margin-left: 10px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 14.5px;
  color: var(--c-muted);
  transition: color var(--t-fast), background-color var(--t-fast), border-color var(--t-fast);
}

.nav-link:hover {
  color: var(--c-text);
  background: rgba(116, 216, 255, .08);
}

.nav-link[aria-current="page"] {
  color: var(--c-green);
  border-color: rgba(53, 240, 154, .58);
  background: rgba(53, 240, 154, .09);
  box-shadow: inset 0 0 0 1px rgba(53, 240, 154, .12);
}

.nav-cta {
  flex: none;
  margin-left: auto;
  padding: 9px 20px;
  border-radius: var(--r-pill);
  background: var(--c-green);
  color: var(--ink-on-green);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -14px rgba(53, 240, 154, .95);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 8px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  color: var(--c-text);
  cursor: pointer;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.nav-toggle:hover { border-color: var(--c-green); color: var(--c-green); }

.nav-toggle-text {
  font-size: 13px;
  letter-spacing: .06em;
}

.nav-toggle-bars {
  position: relative;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--t-fast), top var(--t-fast);
}

.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

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

/* ---------- 7. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 96px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--c-midnight), #04070F);
  border-top: 1px solid var(--c-line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    transparent, var(--c-green) 20%, var(--c-ice) 48%,
    var(--c-violet) 76%, transparent);
  opacity: .72;
}

.footer-inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding: 60px var(--pad-x) 34px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2.4fr;
  gap: 48px;
}

.footer-brand-name {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.footer-brand-desc {
  margin-top: 10px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-col-title {
  font-family: var(--f-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--c-ice);
}

.footer-links {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.footer-links a {
  display: inline-block;
  font-size: 14.5px;
  color: var(--c-muted);
  text-underline-offset: 4px;
  transition: color var(--t-fast);
}

.footer-links a:hover {
  color: var(--c-green);
  text-decoration: underline;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid var(--c-line);
}

.footer-legal {
  font-family: var(--f-data);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.footer-contact {
  font-size: 13.5px;
  color: var(--c-muted);
}

.footer-note {
  margin-top: 16px;
  max-width: 68ch;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(152, 167, 196, .78);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 20px;
  margin-top: 22px;
  font-family: var(--f-data);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: rgba(152, 167, 196, .6);
}

/* ---------- 8. 容器与节奏 ---------- */
.container {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: 72px; }

.section-head {
  max-width: 68ch;
  margin-bottom: 32px;
}

.section-title {
  font-size: clamp(22px, 2.4vw, 26px);
  font-weight: 800;
}

.section-desc {
  margin-top: 10px;
  font-size: 15px;
  color: var(--c-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-family: var(--f-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--c-green);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

/* ---------- 9. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--t-fast), background-color var(--t-fast),
    border-color var(--t-fast), color var(--t-fast);
}

.btn--primary {
  background: var(--c-green);
  color: var(--ink-on-green);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-green);
}

.btn--ghost {
  border-color: var(--c-line);
  color: var(--c-text);
}

.btn--ghost:hover {
  border-color: var(--c-green);
  color: var(--c-green);
  transform: translateY(-2px);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid currentColor;
  border-radius: var(--r-pill);
  font-family: var(--f-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  white-space: nowrap;
}

.pill--green { color: var(--c-green); background: rgba(53, 240, 154, .1); }
.pill--amber { color: var(--c-amber); background: rgba(255, 165, 61, .1); }
.pill--violet { color: var(--c-violet); background: rgba(155, 107, 255, .1); }
.pill--ice { color: var(--c-ice); background: rgba(116, 216, 255, .1); }

.card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  background: linear-gradient(160deg, rgba(16, 32, 63, .94), rgba(10, 20, 48, .9));
  transition: border-color var(--t-mid), transform var(--t-mid), box-shadow var(--t-mid);
}

.card:hover {
  border-color: rgba(53, 240, 154, .62);
  transform: translateY(-1px);
  box-shadow: 0 22px 42px -32px rgba(53, 240, 154, .9);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 17px;
  font-weight: 800;
}

.card-meta {
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-muted);
}

.stat-value {
  font-family: var(--f-data);
  font-size: clamp(40px, 5.4vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-muted);
}

/* 面包屑 */
.breadcrumbs {
  font-family: var(--f-data);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: rgba(152, 167, 196, .5);
}

.breadcrumb-item a { transition: color var(--t-fast); }
.breadcrumb-item a:hover { color: var(--c-green); }
.breadcrumb-item[aria-current="page"] { color: var(--c-text); }

/* 长文容器 */
.prose {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
}

.prose > * + * { margin-top: 1em; }

.prose h2 {
  margin-top: 2em;
  font-size: 22px;
}

.prose h3 {
  margin-top: 1.6em;
  font-size: 18px;
}

.prose ul,
.prose ol {
  padding-left: 1.4em;
  list-style: disc;
}

.prose ol { list-style: decimal; }

.prose li + li { margin-top: .45em; }

.prose a {
  color: var(--c-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose blockquote {
  padding: 14px 20px;
  border-left: 2px solid var(--c-green);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(16, 32, 63, .7);
  color: var(--c-muted);
}

/* 栅格 */
.grid {
  display: grid;
  gap: var(--gap);
}

.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* 可复用图片容器 */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  background:
    radial-gradient(120% 100% at 14% 0%, rgba(53, 240, 154, .16), transparent 56%),
    radial-gradient(90% 90% at 100% 100%, rgba(155, 107, 255, .14), transparent 60%),
    linear-gradient(150deg, var(--c-panel), var(--c-midnight));
}

.media-frame > img,
.media-frame > video,
.media-frame > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-frame__label {
  position: absolute;
  left: 16px;
  bottom: 14px;
  font-family: var(--f-data);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: rgba(234, 241, 255, .72);
}

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 960px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  .col-4,
  .col-5 { grid-column: span 3; }

  .col-6,
  .col-7,
  .col-8 { grid-column: span 6; }

  .rail-ticker { display: none; }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    order: 2;
  }

  .nav-cta {
    order: 3;
    padding: 8px 15px;
    font-size: 13px;
  }

  .nav-list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 90;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    flex: none;
    margin-left: 0;
    max-height: 0;
    padding: 0 var(--pad-x);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    background: rgba(6, 12, 31, .98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: max-height var(--t-mid), opacity var(--t-fast),
      padding var(--t-mid), visibility var(--t-mid), border-color var(--t-mid);
  }

  .nav-list[data-open] {
    max-height: 78vh;
    padding: 12px var(--pad-x) 20px;
    opacity: 1;
    visibility: visible;
    border-bottom-color: var(--c-line);
  }

  .nav-link {
    width: 100%;
    padding: 13px 16px;
    font-size: 16px;
    border-radius: 14px;
  }
}

@media (max-width: 600px) {
  .grid--12 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .col-4,
  .col-5,
  .col-6,
  .col-7,
  .col-8,
  .col-12 { grid-column: span 4; }

  .nav-brand { font-size: 15px; }
  .nav-toggle-text { display: none; }

  .media-frame--wide { aspect-ratio: 16 / 9; }

  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .section { padding-block: 52px; }
  .site-footer { margin-top: 64px; }

  .rail-inner { padding-block: 7px; }
  .rail-text { font-size: 12px; }
}

/* ---------- 11. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .scroll-progress { display: none; }

  .rail-ticker-track > li { animation: none; opacity: 0; }
  .rail-ticker-track > li:first-child { opacity: 1; }

  .status-dot { animation: none; }

  .card:hover,
  .btn:hover,
  .nav-cta:hover { transform: none; }

  .skip-link { transition: none; }
}