/* ============================================================
   冠竞体育 · 全站共享样式  /assets/site.css
   深绿 × 金色 · 框架式导航 · 速度线体系
   ============================================================ */

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

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

body {
  overflow-x: clip;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg-light);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  display: block;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--ease);
}

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

input,
textarea,
select {
  font: inherit;
}

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

/* ---------- 2. Variables ---------- */
:root {
  --color-primary: #0B2B26;
  --color-primary-soft: #143B34;
  --color-gold: #D4AF37;
  --color-gold-light: #E8C766;
  --color-white: #FFFFFF;
  --color-dark: #1A1A1A;
  --color-text: #2B2B2B;
  --color-bg-light: #F5F5F5;
  --color-success: #2E8B57;
  --color-warning: #FF8C00;
  --color-danger: #B22222;

  --font-heading: "Archivo Black", "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Mono", "JetBrains Mono", "Liberation Mono", "Courier New", monospace;

  --container-w: 1200px;
  --header-height: 72px;
  --strip-height: 30px;
  --border-w: 3px;
  --shadow-hard: 6px 6px 0 rgba(0, 0, 0, 0.28);
  --ease: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 3. Typography ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 900;
  line-height: 1.2;
  color: var(--color-dark);
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

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

/* ---------- 4. Layout Containers ---------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.container-narrow {
  max-width: 800px;
}

.container-wide {
  max-width: 1440px;
}

#main-content {
  scroll-margin-top: calc(var(--header-height) + var(--strip-height) + 10px);
}

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-primary);
  color: var(--color-white);
  border-bottom: var(--border-w) solid var(--color-gold);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.18);
}

.skip-link {
  position: absolute;
  top: -200px;
  left: 1rem;
  z-index: 1100;
  padding: 0.75rem 1.25rem;
  background: var(--color-gold);
  color: var(--color-primary);
  font-weight: 700;
  border: 2px solid var(--color-dark);
  box-shadow: var(--shadow-hard);
  transition: top 0.2s ease;
}

.skip-link:focus-visible {
  top: 1rem;
  outline: none;
}

.progress-bar {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 50;
  width: 0;
  height: 4px;
  background: var(--color-gold);
  transition: width 0.08s linear;
}

.header-frame {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
  height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.3rem;
  line-height: 1;
  transform: skew(-8deg);
  transition: background-color var(--ease), color var(--ease), transform var(--ease);
}

.brand:hover .brand-icon {
  transform: skew(-8deg) scale(1.05);
  background: var(--color-gold);
  color: var(--color-primary);
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.45rem;
  letter-spacing: 0.05em;
  color: var(--color-white);
  line-height: 1;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  margin-inline: auto;
}

.nav-list {
  display: flex;
  align-items: stretch;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.55rem 0.85rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.85);
  border-left: 1px solid rgba(212, 175, 55, 0.28);
  transition: color var(--ease), background-color var(--ease);
}

.nav-item:first-child .nav-link {
  border-left: none;
}

.nav-link:hover {
  color: var(--color-gold-light);
  background: rgba(212, 175, 55, 0.08);
}

.nav-link[aria-current="page"] {
  color: var(--color-gold);
  font-weight: 700;
}

.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--border-w);
  background: var(--color-gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header-search {
  display: flex;
  align-items: center;
  height: 42px;
  border: 1px solid rgba(212, 175, 55, 0.5);
  background: rgba(255, 255, 255, 0.08);
}

.search-input {
  width: 150px;
  padding: 0.4rem 0.65rem;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 0.85rem;
  line-height: 1.2;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.search-btn {
  align-self: stretch;
  padding: 0 0.75rem;
  background: var(--color-gold);
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: none;
  border-left: 1px solid rgba(212, 175, 55, 0.5);
  transition: background-color var(--ease);
}

.search-btn:hover {
  background: var(--color-gold-light);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  line-height: 1.2;
  border: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.btn-gold {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-primary);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
}

.btn-gold:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
  transform: translate(-2px, -2px);
}

.btn-gold:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: var(--color-white);
}

.btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-app-cta {
  position: relative;
}

.btn-app-cta::after {
  content: "→";
  margin-left: 0.3rem;
  font-weight: 900;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--color-gold);
  transition: background-color var(--ease);
}

.nav-toggle:hover {
  background: var(--color-gold-light);
}

.toggle-line {
  display: block;
  width: 22px;
  height: 3px;
  background: var(--color-primary);
  transition: transform var(--ease), opacity var(--ease);
}

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1) {
  transform: translateY(8px) 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(-8px) rotate(-45deg);
}

.header-strip {
  background: var(--color-dark);
  border-top: 1px solid rgba(212, 175, 55, 0.35);
  overflow: hidden;
}

.strip-inner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.5rem;
  height: var(--strip-height);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.55);
}

.strip-live {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-gold);
  font-weight: 700;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-danger);
  animation: live-pulse 1.2s ease-in-out infinite;
}

@keyframes live-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.3;
    transform: scale(0.75);
  }
}

.strip-sep {
  color: rgba(212, 175, 55, 0.45);
  font-weight: 700;
}

.strip-item {
  letter-spacing: 0.08em;
}

.strip-arrow {
  margin-left: auto;
  color: var(--color-gold);
  font-size: 0.85rem;
}

/* ---------- 6. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  border-top: var(--border-w) solid var(--color-gold);
}

.site-footer::before {
  content: "";
  display: block;
  height: 10px;
  background: repeating-linear-gradient(-45deg, var(--color-gold) 0, var(--color-gold) 14px, transparent 14px, transparent 28px);
  opacity: 0.65;
}

.footer-top {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.6fr;
  gap: 2.5rem;
  max-width: var(--container-w);
  margin-inline: auto;
  padding: 3.25rem 1.5rem 3rem;
}

.footer-col {
  min-width: 0;
}

.brand-footer {
  margin-bottom: 1.1rem;
}

.brand-footer .brand-icon {
  width: 40px;
  height: 40px;
  font-size: 1.1rem;
}

.brand-footer .brand-name {
  font-size: 1.3rem;
}

.footer-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.85rem;
}

.footer-trust {
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.5);
  max-width: 340px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold);
  padding-bottom: 0.6rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.footer-links li {
  margin-bottom: 0.55rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.78);
  transition: color var(--ease), padding-left var(--ease);
}

.footer-links a:hover {
  color: var(--color-gold-light);
  padding-left: 0.3rem;
}

.footer-contact p {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 0.6rem;
  color: rgba(255, 255, 255, 0.72);
  word-break: break-word;
}

.footer-address {
  font-style: normal;
}

.footer-bottom {
  background: var(--color-dark);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  max-width: var(--container-w);
  margin-inline: auto;
  padding: 1.1rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 7. Components ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0 0;
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
  color: var(--color-gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.crumb-sep {
  color: rgba(255, 255, 255, 0.3);
}

.card {
  background: var(--color-white);
  border: 2px solid var(--color-dark);
  box-shadow: var(--shadow-hard);
  padding: 1.5rem;
}

.card-dark {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.card-dark h1,
.card-dark h2,
.card-dark h3 {
  color: var(--color-white);
}

.card-gold {
  border-color: var(--color-gold);
  box-shadow: 6px 6px 0 rgba(212, 175, 55, 0.45);
}

.dark-section {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
}

.dark-section h1,
.dark-section h2,
.dark-section h3,
.dark-section h4 {
  color: var(--color-white);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.75rem;
}

.section-title .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  height: 2.1rem;
  padding: 0 0.5rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  background: var(--color-primary);
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
  transform: skew(-10deg);
}

.section-title h1,
.section-title h2,
.section-title h3 {
  margin-bottom: 0;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 3px;
  min-width: 2rem;
  background: repeating-linear-gradient(90deg, var(--color-gold) 0 12px, transparent 12px 22px);
  opacity: 0.75;
}

.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-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.filter-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  transition: background-color var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.filter-tag:hover {
  border-color: var(--color-gold);
}

.filter-tag.is-active,
.filter-tag[aria-pressed="true"] {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-primary);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.22);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-white);
}

.data-table th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--color-primary);
  color: var(--color-gold);
  border: 1px solid var(--color-primary);
}

.data-table td {
  padding: 0.75rem 1rem;
  border: 1px solid #ddd;
}

.data-table tbody tr {
  transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
  background: rgba(212, 175, 55, 0.1);
}

.img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--color-bg-light);
  border: 2px solid var(--color-dark);
  box-shadow: var(--shadow-hard);
}

.img-frame::after {
  content: attr(data-caption);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.45rem 0.75rem;
  background: rgba(11, 43, 38, 0.88);
  color: var(--color-gold-light);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.img-frame img,
.img-frame .img-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

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

.img-placeholder {
  display: grid;
  place-items: center;
  min-height: 200px;
  background:
    repeating-linear-gradient(-45deg, transparent 0, transparent 12px, rgba(212, 175, 55, 0.1) 12px, rgba(212, 175, 55, 0.1) 24px),
    var(--color-bg-light);
  color: rgba(43, 43, 43, 0.45);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.score-chip {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1;
  background: var(--color-primary);
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}

.diagonal-bg {
  position: relative;
  background:
    repeating-linear-gradient(-45deg, transparent 0, transparent 16px, rgba(212, 175, 55, 0.07) 16px, rgba(212, 175, 55, 0.07) 18px),
    var(--color-bg-light);
}

.is-hidden {
  display: none !important;
}

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

/* ---------- 8. Responsive ---------- */
@media (max-width: 1200px) {
  :root {
    --header-height: 64px;
    --strip-height: 0px;
  }

  .header-strip {
    display: none;
  }

  .header-search {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    width: min(78vw, 360px);
    margin: 0;
    padding: calc(var(--header-height) + 1.5rem) 1.5rem 2.5rem;
    align-items: flex-start;
    background: var(--color-primary);
    border-left: var(--border-w) solid var(--color-gold);
    box-shadow: -14px 0 32px rgba(0, 0, 0, 0.45);
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s ease, visibility 0s linear 0.3s;
  }

  .site-nav[data-open="true"] {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.3s ease;
  }

  .site-nav .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .site-nav .nav-item {
    width: 100%;
  }

  .site-nav .nav-link {
    width: 100%;
    border-left: none;
    border-bottom: 1px solid rgba(212, 175, 55, 0.22);
    padding: 1rem 0.25rem;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.88);
  }

  .site-nav .nav-link[aria-current="page"] {
    color: var(--color-gold);
  }

  .site-nav .nav-link[aria-current="page"]::after {
    left: 0;
    right: auto;
    top: 0;
    bottom: 0;
    width: var(--border-w);
    height: auto;
  }

  .header-actions {
    position: relative;
    z-index: 100;
  }

  .btn-app-cta {
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 900px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

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

@media (max-width: 400px) {
  .header-frame {
    padding-inline: 1rem;
    gap: 0.5rem;
  }

  .brand-icon {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }

  .brand-name {
    font-size: 1.2rem;
  }

  .btn-app-cta {
    padding: 0.45rem 0.7rem;
    font-size: 0.78rem;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }
}

/* ---------- 9. 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;
  }

  .progress-bar {
    transition: none;
  }

  .live-dot {
    animation: none;
  }

  .site-nav {
    transition: none;
  }
}