/* ============================================
   杏运体育 · 杏运赛讯 — 全站共享样式
   ============================================ */

/* ---------- 变量 ---------- */
:root {
  --color-bg: #0A0E17;
  --color-bg-panel: #111A26;
  --color-paper: #F5EFE6;
  --color-brand: #FF4D21;
  --color-brand-hover: #FF6A4A;
  --color-gold: #F6B73C;
  --color-blue: #2F6BFF;
  --color-green: #3DDC97;
  --color-purple: #A08BFF;
  --color-grey: #94A3B8;
  --color-warning: #FFC700;
  --color-border: rgba(245, 239, 230, 0.12);

  --font-title: 'DIN Condensed', 'Noto Sans SC Black', 'PingFang SC', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-data: 'JetBrains Mono', 'Roboto Mono', monospace;

  --rail-width: 80px;
  --container-max: 1280px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 200ms;
  --duration-slow: 360ms;

  --z-skip: 1000;
  --z-rail: 900;
  --z-header: 800;
  --z-nav: 700;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 60% 40% at 85% 0%, rgba(47, 107, 255, 0.06), transparent),
    radial-gradient(ellipse 40% 30% at 10% 100%, rgba(160, 139, 255, 0.04), transparent);
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: var(--color-paper);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-paper);
}

p { color: var(--color-paper); }

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease);
}

a:hover { color: var(--color-brand-hover); }

ul, ol { list-style: none; }

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button { cursor: pointer; }

pre, code {
  font-family: var(--font-data);
  font-size: 0.9em;
}

blockquote {
  border-left: 3px solid var(--color-brand);
  background: var(--color-bg-panel);
  padding: 16px 24px;
  margin: 24px 0;
  border-radius: 0 6px 6px 0;
  color: var(--color-paper);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-data);
}

th {
  font-weight: 500;
  color: var(--color-gold);
  background: var(--color-bg-panel);
}

/* ---------- 焦点可见 ---------- */
:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: var(--rail-width);
  z-index: var(--z-skip);
  padding: 12px 24px;
  background: var(--color-brand);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0 0 4px 0;
  transition: top var(--duration-fast) var(--ease);
}

.skip-link:focus {
  top: 0;
  color: #fff;
}

/* ---------- 品牌轨道 ---------- */
.brand-rail {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-rail);
  width: var(--rail-width);
  height: 100vh;
  background: var(--color-bg-panel);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.brand-rail__mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 900;
  color: var(--color-brand);
  border: 1px solid rgba(255, 77, 33, 0.4);
  border-radius: 4px;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease);
}

.brand-rail__mark:hover {
  background: var(--color-brand);
  color: var(--color-bg);
  border-color: var(--color-brand);
  box-shadow: 0 0 20px rgba(255, 77, 33, 0.3);
}

.brand-rail__track {
  flex: 1;
  width: 2px;
  background: rgba(148, 163, 184, 0.18);
  border-radius: 2px;
  margin: 16px 0;
  position: relative;
  overflow: hidden;
}

.brand-rail__progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--color-brand), var(--color-gold));
  border-radius: 2px;
}

.brand-rail__section {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  width: 100%;
  text-align: center;
  padding: 10px 0;
  border-top: 1px solid var(--color-border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-rail__top {
  width: 36px;
  height: 36px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-grey);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}

.brand-rail__top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.brand-rail__top:hover {
  color: var(--color-brand);
  border-color: var(--color-brand);
}

/* ---------- 站点头部 ---------- */
.site-header {
  margin-left: var(--rail-width);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: var(--z-header);
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 48px;
}

.site-header__masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 32px 0 16px;
}

.masthead-center {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.masthead-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
}

.masthead-brand__logo {
  font-family: var(--font-title);
  font-size: 44px;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--color-paper);
  line-height: 1;
}

.masthead-brand__badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--color-bg);
  background: var(--color-brand);
  padding: 4px 8px;
  border-radius: 2px;
  line-height: 1.4;
  transform: translateY(-4px);
}

.masthead-headline {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.24em;
  color: var(--color-grey);
  margin-top: 10px;
}

.masthead-search {
  grid-column: 3;
  justify-self: end;
  position: relative;
}

.masthead-search__icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-grey);
  pointer-events: none;
}

.masthead-search__input {
  width: 220px;
  height: 38px;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0 14px 0 36px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-paper);
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.masthead-search__input::placeholder {
  color: var(--color-grey);
  opacity: 0.7;
}

.masthead-search__input:focus {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(255, 77, 33, 0.15);
}

/* ---------- 主导航 ---------- */
.site-nav {
  border-top: 1px solid var(--color-border);
  position: relative;
}

.nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: block;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-paper);
  text-decoration: none;
  padding: 14px 20px;
  border-bottom: 3px solid transparent;
  letter-spacing: 0.04em;
  transition: color var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease), background-color var(--duration-fast) var(--ease);
}

.nav-link:hover {
  color: var(--color-brand);
  background: rgba(255, 77, 33, 0.06);
}

.nav-link[aria-current="page"] {
  color: var(--color-brand);
  border-bottom-color: var(--color-brand);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 10px 14px;
  cursor: pointer;
  align-items: center;
  gap: 8px;
}

.nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-paper);
  border-radius: 1px;
  transition: transform var(--duration-fast) var(--ease), opacity var(--duration-fast) var(--ease);
}

.nav-toggle__label {
  font-size: 13px;
  color: var(--color-paper);
}

/* ---------- 主内容区 ---------- */
.main-content {
  margin-left: var(--rail-width);
  min-height: 70vh;
  padding: 48px 48px 80px;
}

/* ---------- 正文容器 / 网格 ---------- */
.content-area {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 48px;
}

.content-section {
  margin-bottom: 48px;
}

.content-section__title {
  font-size: 32px;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2-1 { grid-template-columns: 2fr 1fr; }
.grid--1-2 { grid-template-columns: 1fr 2fr; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-grey);
  margin-bottom: 32px;
}

.breadcrumb a {
  color: var(--color-blue);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-brand);
}

.breadcrumb__separator {
  color: var(--color-grey);
  opacity: 0.5;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 28px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease);
}

.btn--primary {
  background: var(--color-brand);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-brand-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 77, 33, 0.3);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-paper);
}

.btn--ghost:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

/* ---------- 图片占位 ---------- */
.img-placeholder {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.img-placeholder::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.img-placeholder--tall::before { padding-top: 100%; }
.img-placeholder--wide::before { padding-top: 42%; }

.img-placeholder__shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(245, 239, 230, 0.05) 40%, transparent 60%);
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}

/* ---------- 数据卡片 ---------- */
.data-card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
}

.data-card__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-grey);
  text-transform: uppercase;
}

.data-card__value {
  font-family: var(--font-data);
  font-size: 36px;
  font-weight: 500;
  color: var(--color-paper);
}

/* ---------- 站点页脚 ---------- */
.site-footer {
  margin-left: var(--rail-width);
  background: var(--color-bg-panel);
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 100;
}

.site-footer__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 56px 48px 24px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 48px;
}

.footer-brand__logo {
  font-family: var(--font-title);
  font-size: 32px;
  font-weight: 900;
  color: var(--color-paper);
  letter-spacing: 0.04em;
}

.footer-brand__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--color-brand);
  border: 1px solid rgba(255, 77, 33, 0.4);
  padding: 3px 8px;
  border-radius: 2px;
  margin-left: 10px;
  transform: translateY(-2px);
}

.footer-brand__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-grey);
  margin-top: 16px;
  max-width: 46ch;
}

.footer-nav__title,
.footer-contact__title {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-paper);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(255, 77, 33, 0.5);
  display: inline-block;
}

.footer-nav__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}

.footer-nav__list a {
  display: inline-block;
  font-size: 14px;
  color: var(--color-grey);
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
}

.footer-nav__list a:hover {
  color: var(--color-brand);
  transform: translateX(4px);
}

.footer-contact__list li {
  display: flex;
  align-items: baseline;
  font-size: 14px;
  color: var(--color-grey);
  padding: 6px 0;
}

.footer-contact__label {
  flex: 0 0 48px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-purple);
  letter-spacing: 0.08em;
}

.site-footer__trust {
  margin-top: 40px;
  padding: 16px 20px;
  font-size: 13px;
  color: var(--color-grey);
  line-height: 1.8;
  background: rgba(245, 239, 230, 0.03);
  border-left: 3px solid var(--color-brand);
  border-radius: 0 4px 4px 0;
}

.site-footer__meta {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer__copy {
  font-size: 13px;
  color: var(--color-grey);
}

.site-footer__icp {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-grey);
}

/* ---------- 动画 ---------- */
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- 平板 ---------- */
@media (max-width: 1024px) {
  .site-header__inner,
  .content-area,
  .site-footer__inner {
    padding-left: 32px;
    padding-right: 32px;
  }

  .main-content {
    padding-left: 32px;
    padding-right: 32px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ---------- 手机 ---------- */
@media (max-width: 768px) {
  .site-header__inner,
  .content-area,
  .site-footer__inner {
    padding-left: 24px;
    padding-right: 24px;
  }

  .main-content {
    padding: 32px 24px 64px;
  }

  .site-header__masthead {
    grid-template-columns: 1fr auto;
    padding: 20px 0 12px;
  }

  .masthead-center {
    grid-column: 1;
    align-items: flex-start;
    text-align: left;
  }

  .masthead-brand__logo {
    font-size: 32px;
  }

  .masthead-brand__badge {
    font-size: 10px;
    transform: translateY(-2px);
  }

  .masthead-headline {
    font-size: 12px;
    letter-spacing: 0.14em;
    margin-top: 6px;
  }

  .masthead-search {
    display: none;
  }

  .site-nav {
    border-top: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-top: 8px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-panel);
    border-bottom: 1px solid var(--color-border);
    padding: 8px 0;
    z-index: var(--z-nav);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
  }

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

  .nav-link {
    padding: 14px 24px;
    border-bottom: 1px solid transparent;
    border-left: 3px solid transparent;
  }

  .nav-link[aria-current="page"] {
    border-bottom-color: transparent;
    border-left-color: var(--color-brand);
    background: rgba(255, 77, 33, 0.06);
  }

  .grid--2,
  .grid--3,
  .grid--4,
  .grid--2-1,
  .grid--1-2 {
    grid-template-columns: 1fr;
  }

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

  .footer-brand {
    grid-column: auto;
  }

  .site-footer__meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-rail {
    padding: 16px 0;
  }

  .brand-rail__mark {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }

  .brand-rail__section {
    font-size: 10px;
    letter-spacing: 0.08em;
    padding: 8px 2px;
  }

  .brand-rail__top {
    width: 32px;
    height: 32px;
  }
}

/* ---------- 小屏手机 ---------- */
@media (max-width: 480px) {
  .site-header__inner,
  .content-area,
  .site-footer__inner,
  .main-content {
    padding-left: 16px;
    padding-right: 16px;
  }

  .masthead-brand {
    gap: 8px;
  }

  .masthead-brand__logo {
    font-size: 26px;
  }

  .nav-toggle__label {
    display: none;
  }

  .footer-nav__list {
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .brand-rail__top {
    transform: none;
  }
}