/* ============================================
   完美体育CN官方站 · 共享样式 /assets/site.css
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --color-bg: #0B1B2A;
  --color-primary: #1F7A4D;
  --color-accent: #F5A623;
  --color-surface: #0F3D2E;
  --color-text: #F5F5F0;
  --color-muted: #8A9BA8;
  --color-glass: rgba(255,255,255,0.08);
  --color-live: #4CD97B;
  --color-warning: #E5484D;
  --color-card: #132433;

  --font-title: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Noto Sans SC', system-ui, sans-serif;
  --font-editorial: 'Source Serif Pro', 'Noto Serif SC', serif;
  --font-data: 'Roboto Mono', 'SFMono-Regular', monospace;

  --container-w: 1240px;
  --header-h: 64px;
  --radius: 8px;
  --radius-sm: 4px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(1000px 420px at 85% -5%, rgba(31,122,77,0.15) 0%, transparent 60%),
    radial-gradient(700px 360px at -8% 20%, rgba(245,166,35,0.04) 0%, transparent 45%);
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--color-primary);
  color: var(--color-text);
}

[hidden] {
  display: none !important;
}

hr {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin: 24px 0;
}

strong {
  font-weight: 600;
}

blockquote {
  font-family: var(--font-editorial);
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-text);
  border-left: 3px solid var(--color-accent);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
}

/* ---------- 排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-bottom: 0.5em;
}

h1 { font-size: 38px; }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
h4 { font-size: 17px; }

p {
  margin-bottom: 1em;
}

em {
  font-style: italic;
}

.body-editorial {
  font-family: var(--font-editorial);
  font-size: 18px;
  line-height: 1.9;
  color: var(--color-text);
}

.data-text {
  font-family: var(--font-data);
  font-size: 14px;
}

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

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

.section {
  padding: 64px 0;
}

.section--tight {
  padding: 32px 0;
}

.section--loose {
  padding: 96px 0;
}

.section--muted {
  background: var(--color-surface);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ---------- 跳转链接与进度条 ---------- */
.skip-link {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 2000;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  padding: 10px 18px;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1500;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 0 3px 3px 0;
}

/* ---------- 站点头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,27,42,0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-commandbar {
  position: relative;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: var(--header-h);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-text);
  flex-shrink: 0;
}

.brand-mark::before {
  content: '';
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1px;
  background: rgba(245,245,240,0.55);
  transform: translateY(-50%);
}

.brand-mark::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-live);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 6px rgba(76,217,123,0.8);
}

.brand-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.04em;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-name em {
  font-style: normal;
  color: var(--color-live);
  font-size: 0.82em;
  letter-spacing: 0.12em;
  margin: 0 2px;
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  display: block;
  position: relative;
  font-family: var(--font-title);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.site-nav a:hover {
  color: var(--color-text);
  background: var(--color-glass);
}

.site-nav a[aria-current="page"] {
  color: var(--color-live);
  background: rgba(76,217,123,0.12);
}

.site-nav a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  background: var(--color-live);
  border-radius: 2px;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-sm);
  background: var(--color-glass);
  transition: border-color var(--transition), background var(--transition);
}

.nav-toggle:hover {
  border-color: var(--color-live);
  background: rgba(76,217,123,0.1);
}

.toggle-line {
  width: 18px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 联赛频条 */
.league-bar {
  background: rgba(15,61,46,0.35);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.league-tagbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.league-tagbar::-webkit-scrollbar {
  display: none;
}

.league-tag {
  flex: 0 0 auto;
  padding: 6px 16px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  background: var(--color-glass);
  border: 1px solid transparent;
  border-radius: 999px;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}

.league-tag:hover {
  color: var(--color-text);
  border-color: rgba(76,217,123,0.5);
  transform: translateY(-1px);
}

.league-tag.is-active {
  background: var(--color-primary);
  border-color: var(--color-live);
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- 站点页脚 ---------- */
.site-footer {
  margin-top: 88px;
  background:
    radial-gradient(800px 320px at 85% 100%, rgba(31,122,77,0.12) 0%, transparent 50%),
    var(--color-bg);
  border-top: 1px solid rgba(245,166,35,0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding: 56px 0 40px;
}

.footer-grid > * {
  min-width: 0;
}

.footer-brand .brand {
  margin-bottom: 14px;
}

.footer-slogan {
  font-family: var(--font-editorial);
  font-size: 17px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.footer-trust {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 360px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.footer-title {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(245,166,35,0.25);
}

.footer-col a {
  color: var(--color-muted);
  font-size: 14px;
  padding: 3px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-live);
}

.contact-item {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.6;
}

.footer-statusbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.status-item {
  display: inline-flex;
  align-items: center;
}

.status-item .live-dot {
  margin-right: 6px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 14px 0 20px;
  font-size: 13px;
  color: var(--color-muted);
}

.footer-copy,
.footer-icp {
  font-family: var(--font-data);
}

/* ---------- 通用组件 ---------- */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text);
}

.btn--primary:hover {
  background: #26995E;
  box-shadow: 0 6px 20px rgba(31,122,77,0.35);
}

.btn--outline {
  background: var(--color-glass);
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn--outline:hover {
  border-color: var(--color-live);
  background: rgba(76,217,123,0.08);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn--accent:hover {
  background: #F7B13A;
  box-shadow: 0 6px 20px rgba(245,166,35,0.3);
}

/* 页面头 */
.page-header {
  padding: 40px 0 28px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 48px;
}

.page-header h1 {
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.lead {
  font-family: var(--font-editorial);
  font-size: 18px;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 720px;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
  padding: 3px 10px;
  background: rgba(245,166,35,0.1);
  border-radius: 3px;
}

/* 面包屑 */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.breadcrumbs a {
  color: var(--color-live);
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs .separator {
  color: rgba(138,155,168,0.5);
  margin: 0 2px;
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-muted);
}

/* 分段标题 */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.section-head h2 {
  margin-bottom: 0;
  font-size: 28px;
  letter-spacing: 0.02em;
}

.section-num {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--color-live);
  margin-right: 10px;
  letter-spacing: 0.08em;
}

.section-more {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-live);
  white-space: nowrap;
  transition: color var(--transition);
}

.section-more:hover {
  color: var(--color-accent);
}

/* 卡片 */
.card {
  background: var(--color-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 28px;
}

.card--glass {
  background: var(--color-glass);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
}

.card--inset {
  background: var(--color-surface);
  border: 1px solid rgba(76,217,123,0.12);
}

/* 数据元素 */
.data-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 3px 10px;
  border-radius: 999px;
  line-height: 1.5;
  white-space: nowrap;
}

.live-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-live);
  box-shadow: 0 0 6px rgba(76,217,123,0.8);
  flex-shrink: 0;
}

.score {
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

/* 统计格 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.stat-item {
  background: var(--color-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  display: block;
  margin-bottom: 8px;
}

.stat-value {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.1;
}

.stat-value--accent {
  color: var(--color-accent);
}

.stat-value--live {
  color: var(--color-live);
}

/* 图片容器 */
.img-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-card);
  border: 1px solid rgba(255,255,255,0.06);
}

.img-frame--16x9 {
  aspect-ratio: 16 / 9;
}

.img-frame--4x3 {
  aspect-ratio: 4 / 3;
}

.img-frame--tall {
  aspect-ratio: 3 / 4;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-placeholder {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 72% 82%, rgba(31,122,77,0.4) 0%, transparent 55%),
    linear-gradient(155deg, rgba(255,255,255,0.05) 0%, transparent 35%),
    var(--color-card);
}

.img-placeholder::before,
.img-placeholder::after {
  content: '';
  position: absolute;
  background: rgba(76,217,123,0.15);
}

.img-placeholder::before {
  left: 50%;
  top: 12%;
  bottom: 12%;
  width: 1px;
}

.img-placeholder::after {
  top: 50%;
  left: 12%;
  right: 12%;
  height: 1px;
}

/* 表格 */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--color-card);
}

.table-wrap table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.table-wrap th {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
}

.table-wrap td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  color: var(--color-text);
}

.table-wrap tr:last-child td {
  border-bottom: none;
}

.table-wrap tbody tr:hover {
  background: rgba(76,217,123,0.04);
}

/* ---------- 辅助 ---------- */
.text-muted { color: var(--color-muted); }
.text-accent { color: var(--color-accent); }
.text-live { color: var(--color-live); }
.mono { font-family: var(--font-data); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 16px;
    background: rgba(11,27,42,0.98);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
  }

  .site-nav[data-open] {
    display: flex;
  }

  .site-nav a {
    padding: 14px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-radius: 0;
    font-size: 16px;
  }

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

  .site-nav a[aria-current="page"] {
    padding-left: 24px;
    box-shadow: none;
    border-left: 2px solid var(--color-live);
  }

  .site-nav a[aria-current="page"]::after {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 32px);
  }

  body {
    font-size: 15px;
  }

  h1 { font-size: 30px; }
  h2 { font-size: 23px; }
  h3 { font-size: 18px; }

  .section {
    padding: 40px 0;
  }

  .section--loose {
    padding: 56px 0;
  }

  .brand-name {
    font-size: 17px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 40px 0 28px;
  }

  .footer-trust {
    max-width: 100%;
  }

  .footer-statusbar,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header {
    padding: 28px 0 24px;
    margin-bottom: 32px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .card,
  .stat-item {
    padding: 20px;
  }
}

/* ---------- 动效偏好 ---------- */
@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;
  }
}