/* /assets/site.css —— 新宝赛事 共享外壳与基础组件 */

:root {
  /* 色彩 */
  --ink-950: #05130E;
  --ink-900: #081C14;
  --ink-800: #0E2A1F;
  --grid: #244A3A;
  --lime: #C9FF4A;
  --lime-soft: #E7FFA3;
  --orange: #FF8A3D;
  --amber: #FFC078;
  --mint: #74E6C4;
  --paper: #F3F7F2;
  --mist: #A9C0B4;

  /* 字体 */
  --font-display: "Barlow Condensed", "Oswald", "Arial Narrow", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", SFMono-Regular, Consolas, "Liberation Mono", monospace;
  --font-serif: "Noto Serif SC", "Songti SC", SimSun, Georgia, serif;

  /* 尺度 */
  --wrap: 1360px;
  --gutter: clamp(18px, 4vw, 56px);
  --header-h: 78px;
  --dur: 220ms;
  --dur-fast: 160ms;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

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

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

body {
  margin: 0;
  background: var(--ink-950);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

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

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

button { font: inherit; color: inherit; }

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

hr {
  border: 0;
  border-top: 1px solid var(--grid);
  margin: 0;
}

::selection {
  background: var(--lime);
  color: var(--ink-950);
}

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

#main-content {
  display: block;
  scroll-margin-top: 24px;
}

/* ---------- 通用排版工具 ---------- */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.muted { color: var(--mist); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--mint);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--lime);
  flex: none;
}

.lead {
  margin: 0 0 1em;
  max-width: 56ch;
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.6;
  color: var(--mist);
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.75;
}

.prose p { margin: 0 0 1.1em; }
.prose h2 { margin: 1.8em 0 0.6em; font-size: clamp(26px, 3vw, 36px); }
.prose h3 { margin: 1.6em 0 0.5em; font-size: clamp(20px, 2.2vw, 26px); }
.prose ul { list-style: none; padding-left: 0; }
.prose ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 0.5em;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 10px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 布局 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.section { padding-block: clamp(48px, 7vw, 104px); }
.section:first-child { padding-top: clamp(28px, 4vw, 56px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 22px;
  margin-bottom: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid var(--grid);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.2;
  cursor: pointer;
  text-align: center;
  transition:
    background-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}

.btn::before {
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
  flex: none;
}

.btn--signal { background: var(--lime); color: var(--ink-950); border-color: var(--lime); }
.btn--signal:hover { background: var(--lime-soft); border-color: var(--lime-soft); }

.btn--action { background: var(--orange); color: var(--ink-950); border-color: var(--orange); }
.btn--action:hover { background: var(--amber); border-color: var(--amber); }

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

.btn--block { display: flex; width: 100%; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--grid);
  border-radius: 0;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--mist);
  white-space: nowrap;
}

.tag--signal {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-950);
}

.tag--action {
  border-color: rgba(255, 138, 61, 0.55);
  color: var(--orange);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

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

.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: var(--grid); }
.breadcrumb a { color: var(--mist); transition: color var(--dur-fast) var(--ease); }
.breadcrumb a:hover { color: var(--lime); }
.breadcrumb [aria-current="page"] { color: var(--paper); }

/* ---------- 图片容器基础规则 ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--ink-800);
  border: 1px solid var(--grid);
  border-radius: 0;
}

.media > img,
.media > svg,
.media > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

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

.media--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

/* ---------- 渐显协议（JS 增强） ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 跳至主要内容 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 11px 18px;
  background: var(--lime);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  border-radius: 0;
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease);
}

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

/* ---------- 滚动进度 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 120;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--mint));
  pointer-events: none;
}

/* ---------- 头部 ---------- */
.site-header {
  position: relative;
  z-index: 60;
  background: var(--ink-950);
  border-bottom: 1px solid var(--grid);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 4vw, 72px);
  width: 100%;
  max-width: var(--wrap);
  min-height: var(--header-h);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding-block: 18px;
  color: var(--paper);
  flex: none;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.brand-mark::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 10px;
  background: var(--lime);
  vertical-align: baseline;
  transform: translateY(-1px);
}

.brand-domain {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--mist);
  white-space: nowrap;
  padding-top: 2px;
}

.brand:hover .brand-mark { color: var(--paper); }
.brand:hover .brand-domain { color: var(--mint); }

/* 导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.6vw, 44px);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 32px);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 0;
  font-size: 14px;
  letter-spacing: 0.02em;
  line-height: 1.4;
  color: var(--mist);
  transition: color var(--dur-fast) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-fast) var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible { color: var(--paper); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--lime); }
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--lime);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: var(--orange);
  border-bottom: 1px solid rgba(255, 138, 61, 0.5);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.header-cta::before {
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
  flex: none;
}

.header-cta:hover,
.header-cta:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--grid);
  border-radius: 0;
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease);
}

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

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bar {
  display: block;
  height: 1px;
  background: var(--paper);
  transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.nav-toggle-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: clamp(56px, 8vw, 120px);
  background: var(--ink-900);
  border-top: 1px solid var(--grid);
  color: var(--paper);
}

.footer-tick {
  height: 9px;
  border-bottom: 1px solid var(--grid);
  background-image: repeating-linear-gradient(
    90deg,
    var(--grid) 0 1px,
    transparent 1px 32px
  );
}

.footer-inner {
  padding-block: clamp(38px, 5.5vw, 68px) clamp(22px, 3vw, 34px);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.65fr);
  gap: clamp(30px, 5vw, 96px);
  padding-bottom: clamp(30px, 4vw, 54px);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-brand-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.footer-brand-mark::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 12px;
  background: var(--lime);
  vertical-align: baseline;
  transform: translateY(-2px);
}

.footer-brand-mark:hover { color: var(--lime-soft); }

.footer-note {
  margin: 0;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 44px);
}

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

.footer-group-title {
  display: flex;
  align-items: center;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.4;
  color: var(--mint);
}

.footer-group-title::before {
  content: "";
  width: 10px;
  height: 1px;
  margin-right: 8px;
  background: var(--lime);
  flex: none;
}

.footer-links {
  display: grid;
  gap: 2px;
}

.footer-link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
  transition: color var(--dur-fast) var(--ease);
}

.footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-fast) var(--ease);
}

.footer-link:hover,
.footer-link:focus-visible { color: var(--lime); }
.footer-link:hover::after,
.footer-link:focus-visible::after { transform: scaleX(1); }

.footer-link--sm { font-size: 12px; padding: 4px 0; }
.footer-link--sm::after { bottom: 2px; }

.footer-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  margin-bottom: clamp(18px, 2.5vw, 28px);
  background: var(--grid);
  border: 1px solid var(--grid);
}

.footer-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 16px 18px;
  background: var(--ink-900);
}

.footer-meta-key {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  line-height: 1.4;
  color: var(--mint);
}

.footer-meta-value {
  font-size: 14px;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.footer-service {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 80ch;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: clamp(16px, 2vw, 24px);
  border-top: 1px solid var(--grid);
}

.footer-copy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--mist);
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

/* ---------- 平板 ---------- */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: clamp(28px, 4vw, 44px);
  }
}

/* ---------- 移动 / 平板导航 ---------- */
@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .header-inner {
    min-height: var(--header-h);
    gap: 14px;
  }

  .brand { padding-block: 14px; gap: 10px; }
  .brand-mark { font-size: 18px; }
  .brand-mark::before { width: 8px; height: 8px; margin-right: 8px; }
  .brand-domain { display: none; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    padding: 0 var(--gutter);
    overflow: hidden;
    visibility: hidden;
    background: var(--ink-900);
    border-bottom: 1px solid var(--grid);
    transition:
      max-height var(--dur) var(--ease),
      visibility 0s linear var(--dur);
  }

  .site-nav[data-open="true"] {
    max-height: min(78vh, 560px);
    overflow-y: auto;
    visibility: visible;
    transition:
      max-height var(--dur) var(--ease),
      visibility 0s linear 0s;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px 0;
  }

  .nav-link {
    display: block;
    padding: 15px 0;
    font-size: 15px;
    border-bottom: 1px solid var(--grid);
  }

  .nav-link::after { display: none; }

  .nav-link[aria-current="page"] {
    padding-left: 16px;
    color: var(--lime);
  }

  .nav-link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 1px;
    background: var(--lime);
  }

  .header-cta {
    align-self: flex-start;
    margin: 18px 0 22px;
    font-size: 13px;
  }

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

/* ---------- 小屏 ---------- */
@media (max-width: 700px) {
  .grid-12 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .footer-nav { grid-template-columns: 1fr; gap: 26px; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .footer-legal-links { gap: 18px; }
  .footer-meta-item { padding: 14px 16px; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0s !important;
  }

  .skip-link { transition: none; }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}