/* =========================================================
   搏鱼体育赛事 — 共享样式表 /assets/site.css
   ========================================================= */

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

:root {
  --ink: #06121B;
  --deep: #0B2430;
  --indigo: #2B1B3D;
  --wine: #3A1E24;
  --cyan: #35E0D0;
  --coral: #FF7A4D;
  --paper: #EAF2F4;
  --mist: #7E93A0;
  --yellow: #C9A227;
  --red: #A33A3A;
  --line: #1E4756;
  --line-soft: rgba(30, 71, 86, 0.62);
  --line-faint: rgba(30, 71, 86, 0.34);
  --hard: 6px 6px 0 rgba(0, 0, 0, 0.6);
  --hard-lift: 9px 9px 0 rgba(0, 0, 0, 0.6);
  --hard-press: 2px 2px 0 rgba(0, 0, 0, 0.6);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
  --shell: 1280px;
  --gut: clamp(16px, 3.6vw, 40px);
  --gap: clamp(12px, 1.7vw, 22px);
  --beat: clamp(28px, 4.4vw, 56px);
}

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
p, h1, h2, h3, h4, h5 { margin: 0; }
main { display: block; }
h1, h2, h3, h4 { font-weight: 500; }
table { border-collapse: collapse; }
#main-content { scroll-margin-top: 150px; }
#main-content:focus { outline: none; }

/* ---------- 排版原语 ---------- */
.display-lg {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1.02;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.data-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-stretch: 80%;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 0.94;
  letter-spacing: -0.03em;
  color: var(--paper);
}
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.02em;
}
.eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--mist);
  text-transform: none;
}
.note {
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.prose {
  max-width: 66ch;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.01em;
}
.prose p + p { margin-top: 1em; }
.prose strong { font-weight: 600; color: #fff; }
.accent-cyan { color: var(--cyan); }
.accent-coral { color: var(--coral); }
.accent-warn { color: var(--yellow); }
.accent-risk { color: var(--red); }

/* ---------- 布局原语 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gut);
  padding-right: var(--gut);
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
  gap: 1px;
  background: var(--line-soft);
}
.split--reverse { grid-template-columns: minmax(0, 66fr) minmax(0, 34fr); }
.split > * { background: var(--ink); }
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }
.stack { display: grid; gap: clamp(16px, 2.2vw, 28px); }
.stack--tight { display: grid; gap: 10px; }
.rule { height: 1px; background: var(--line-soft); border: 0; margin: 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 12px 20px;
  border: 2px solid var(--cyan);
  background: var(--cyan);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  box-shadow: var(--hard);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease, color 0.16s ease;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: var(--hard-lift); }
.btn:active { transform: translate(2px, 2px); box-shadow: var(--hard-press); }
.btn--ghost {
  background: transparent;
  color: var(--cyan);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--cyan); background: rgba(53, 224, 208, 0.08); }
.btn--coral {
  background: var(--coral);
  border-color: var(--coral);
  color: #14100E;
}
.btn--coral:hover { background: #FF9166; border-color: #FF9166; }

/* ---------- 通用组件 ---------- */
.card {
  background: var(--deep);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
  padding: clamp(16px, 2vw, 22px);
}
.pod {
  position: relative;
  background: var(--deep);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
  padding: clamp(16px, 2vw, 22px);
  min-width: 0;
}
.pod__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.pod__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  font-size: clamp(32px, 4.4vw, 54px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--paper);
}
.pod__foot {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line-faint);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.pod--indigo { background: var(--indigo); }
.pod--wine { background: var(--wine); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
  white-space: nowrap;
}
.tag--cyan { color: var(--cyan); border-color: var(--cyan); }
.tag--coral { color: var(--coral); border-color: var(--coral); }
.tag--warn { color: var(--yellow); border-color: var(--yellow); }
.tag--risk { color: var(--red); border-color: var(--red); }

.data-table {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}
.data-table caption {
  text-align: left;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  padding-bottom: 10px;
}
.data-table th {
  text-align: left;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--mist);
  padding: 10px 12px;
  background: var(--deep);
  border-bottom: 2px solid var(--line);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-faint);
  white-space: nowrap;
}
.data-table tbody tr:hover td { background: rgba(53, 224, 208, 0.05); }

.timeline {
  position: relative;
  width: 100%;
  min-height: 120px;
  background: var(--deep);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
  padding: 18px;
}

/* ---------- 图像容器基础规则（页面阶段放置占位） ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--deep);
  border: 2px solid var(--line);
  box-shadow: var(--hard);
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.14) brightness(0.86) hue-rotate(-8deg);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 18, 27, 0) 52%, rgba(6, 18, 27, 0.62) 100%);
  pointer-events: none;
}
.media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 5px 11px;
  background: rgba(6, 18, 27, 0.86);
  border-top: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- 面包屑 ---------- */
.crumbs {
  display: flex;
  align-items: center;
  gap: 0.7em;
  padding: 16px 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.crumbs a { color: var(--mist); border-bottom: 1px solid transparent; }
.crumbs a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.crumbs__sep { color: var(--line); }
.crumbs [aria-current="page"] { color: var(--paper); }

/* =========================================================
   头部：数字刊头 + 居中栏目索引
   ========================================================= */
.skip-link {
  position: absolute;
  left: 12px;
  top: -70px;
  z-index: 120;
  padding: 10px 18px;
  background: var(--cyan);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: top 0.18s ease;
}
.skip-link:focus { top: 10px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--ink);
  border-bottom: 2px solid var(--line);
}
.header-shell { position: relative; }

.read-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: var(--line-faint);
  overflow: hidden;
}
.read-progress__fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--cyan);
}

.header-utility {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 0 9px;
  border-bottom: 1px solid var(--line-faint);
}
.utility-line {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
  white-space: nowrap;
}
.utility-chip { position: relative; padding-left: 13px; }
.utility-chip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  background: var(--cyan);
}
.utility-cta {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--coral);
  padding-bottom: 3px;
  border-bottom: 2px solid var(--coral);
  transition: color 0.16s ease, border-color 0.16s ease;
}
.utility-cta:hover { color: #FFAE8C; border-color: #FFAE8C; }

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 2px solid var(--line);
  background: rgba(11, 36, 48, 0.72);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: 0.14em;
  box-shadow: var(--hard);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }
.nav-toggle[aria-expanded="true"] { border-color: var(--cyan); color: var(--cyan); }
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 14px;
  height: 2px;
  background: var(--cyan);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 14px;
  height: 2px;
  background: var(--cyan);
  transition: transform 0.2s ease, top 0.2s ease;
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.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); }

.masthead {
  display: block;
  text-align: center;
  padding: clamp(16px, 2.4vw, 26px) 0 clamp(12px, 1.8vw, 18px);
}
.masthead__name {
  display: block;
  font-weight: 900;
  font-stretch: 80%;
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
  transition: color 0.16s ease;
}
.masthead:hover .masthead__name { color: var(--cyan); }
.masthead__tagline {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.site-nav { border-bottom: 1px solid var(--line-soft); }
.nav-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.nav-item { position: relative; }
.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 12px 15px;
  margin-bottom: -1px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(234, 242, 244, 0.82);
  border-bottom: 2px solid transparent;
  border-left: 3px solid transparent;
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}
.nav-link:hover { color: var(--paper); background: rgba(53, 224, 208, 0.07); }
.nav-link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(53, 224, 208, 0.06);
}
.nav-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.nav-link[aria-current="page"] .nav-num { color: var(--cyan); }

/* =========================================================
   页脚：靛紫叙事段 + 墨蓝收口段
   ========================================================= */
.site-footer {
  background: var(--indigo);
  border-top: 2px solid var(--line);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(34px, 5vw, 60px) 0 clamp(24px, 3.4vw, 38px);
  border-bottom: 1px solid var(--line-soft);
}
.footer-brand {
  display: inline-block;
  font-weight: 900;
  font-stretch: 80%;
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 0.16s ease;
}
.footer-brand:hover { color: var(--cyan); }
.footer-tagline {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.footer-signature {
  margin-top: 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
}
.footer-col { min-width: 0; }
.footer-col__title {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--mist);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-col__num { font-family: var(--font-mono); color: var(--cyan); }
.footer-links { margin-top: 13px; display: grid; gap: 9px; }
.footer-links a {
  font-size: 14px;
  color: rgba(234, 242, 244, 0.84);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.16s ease, border-color 0.16s ease;
}
.footer-links a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }

.footer-contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px 30px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
}
.footer-contact__item {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.footer-contact__k {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}
.footer-contact__note {
  grid-column: 1 / -1;
  max-width: 72ch;
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding: 20px 0 28px;
  background: var(--ink);
  margin: 0 calc(var(--gut) * -1);
  padding-left: var(--gut);
  padding-right: var(--gut);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.footer-copy { margin-left: auto; }

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  border: 2px solid var(--line);
  background: var(--deep);
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.14em;
  box-shadow: var(--hard);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease, border-color 0.16s ease;
}
.to-top[data-visible] { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { border-color: var(--cyan); }

/* ---------- 滚动显现与章节高亮 ---------- */
[data-js] [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.28s ease, transform 0.28s ease;
}
[data-js] [data-reveal][data-revealed] { opacity: 1; transform: none; }

[data-section-link] {
  display: block;
  position: relative;
  padding-left: 14px;
  transition: color 0.16s ease;
}
[data-section-link]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  bottom: 0.35em;
  width: 0;
  background: var(--cyan);
  transition: width 0.16s ease;
}
[data-section-link][data-active] { color: var(--cyan); }
[data-section-link][data-active]::before { width: 3px; }

/* ---------- 焦点可见 ---------- */
:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}
.to-top:focus-visible,
.nav-toggle:focus-visible { outline-offset: 2px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1100px) {
  .split { grid-template-columns: minmax(0, 40fr) minmax(0, 60fr); }
  .split--reverse { grid-template-columns: minmax(0, 60fr) minmax(0, 40fr); }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .utility-line { font-size: 10px; letter-spacing: 0.12em; gap: 14px; }
  .utility-chip:nth-child(2) { display: none; }

  .site-nav {
    max-height: 0;
    overflow: hidden;
    border-bottom: 0;
    transition: max-height 0.26s ease;
  }
  .site-nav[data-open] {
    max-height: 46rem;
    border-bottom: 2px solid var(--line);
  }
  .nav-list { flex-direction: column; padding: 6px 0 12px; }
  .nav-item { width: 100%; }
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 14px 4px;
    margin-bottom: 0;
    border-bottom: 1px solid var(--line-faint);
    border-left: 3px solid transparent;
    font-size: 14.5px;
  }
  .nav-link[aria-current="page"] {
    border-bottom-color: var(--line-faint);
    border-left-color: var(--cyan);
    padding-left: 13px;
  }

  .split,
  .split--reverse { grid-template-columns: minmax(0, 1fr); }
  .span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9 { grid-column: span 12; }

  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-copy { margin-left: 0; }
}

@media (max-width: 640px) {
  :root { --gut: 16px; }
  .utility-line { display: none; }
  .header-utility { justify-content: space-between; }
  .utility-cta { font-size: 10px; }
  .masthead { padding: 14px 0 12px; }
  .masthead__tagline { letter-spacing: 0.16em; }
  .footer-base { font-size: 10px; letter-spacing: 0.1em; }
  .to-top { right: 12px; bottom: 12px; }
}

@media (min-width: 901px) {
  .site-nav { max-height: none; }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-js] [data-reveal] { opacity: 1; transform: none; }
  .btn:hover { transform: none; }
  .to-top { transform: none; }
}