/* ============================================================
   必发体育 · 共享样式表 /assets/site.css
   夜间球场数据指挥室：深墨绿底 · 荧光青绿勾线 · 琥珀数字
   ============================================================ */

:root {
  --bf-ink: #06201A;
  --bf-ink-deep: #02110C;
  --bf-ink-2: #0C2E26;
  --bf-mint: #3BF2B0;
  --bf-mint-soft: #9BF7D6;
  --bf-amber: #FFC24B;
  --bf-red: #FF5A4E;
  --bf-mist: #EAF4EF;
  --bf-slate: #7E9A90;
  --bf-paper: #F5FAF7;

  --bf-line: rgba(155, 247, 214, 0.16);
  --bf-line-strong: rgba(59, 242, 176, 0.42);
  --bf-surface: rgba(12, 46, 38, 0.72);

  --bf-radius-lg: 26px;
  --bf-radius: 16px;
  --bf-radius-pill: 999px;

  --bf-header-h: 66px;
  --bf-max: 1280px;
  --bf-gutter: clamp(16px, 4vw, 40px);
  --bf-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --bf-shadow-soft: 0 18px 44px -24px rgba(2, 17, 12, 0.9);

  --bf-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --bf-cond: "Barlow Condensed", "Oswald", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --bf-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

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

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

body {
  margin: 0;
  background-color: var(--bf-ink);
  background-image:
    linear-gradient(rgba(59, 242, 176, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 242, 176, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  color: var(--bf-mist);
  font-family: var(--bf-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.bf-nav-open { overflow: hidden; }

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

a { color: var(--bf-mint); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--bf-mint-soft); }

button { font: inherit; }

h1, h2, h3, h4 {
  font-family: var(--bf-cond);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--bf-mist);
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.3rem, 5.2vw, 4.1rem); }
h2 { font-size: clamp(1.65rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.12rem, 1.8vw, 1.4rem); letter-spacing: 0; }
h4 { font-size: 1rem; letter-spacing: 0.02em; }

p { margin: 0 0 1em; }
strong { color: var(--bf-mint-soft); font-weight: 700; }

:focus-visible {
  outline: 2px solid var(--bf-mint);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Skip link ---------- */
.bf-skip {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 300;
  padding: 12px 18px;
  border-radius: 0 0 14px 14px;
  background: var(--bf-mint);
  color: #04211A;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: top 0.2s var(--bf-ease);
}
.bf-skip:focus { top: 0; color: #04211A; }

/* ---------- 通用按钮 ---------- */
.bf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.68em 1.2em;
  border: 1px solid transparent;
  border-radius: var(--bf-radius-pill);
  font-family: var(--bf-sans);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s var(--bf-ease), color 0.18s var(--bf-ease),
    border-color 0.18s var(--bf-ease), transform 0.18s var(--bf-ease),
    box-shadow 0.18s var(--bf-ease);
}
.bf-btn--primary {
  background: var(--bf-mint);
  color: #04211A;
  box-shadow: 0 10px 26px -16px rgba(59, 242, 176, 0.95);
}
.bf-btn--primary:hover {
  background: #6bffc8;
  color: #04211A;
  transform: translateY(-2px);
}
.bf-btn--ghost {
  background: transparent;
  border-color: var(--bf-line-strong);
  color: var(--bf-mint-soft);
}
.bf-btn--ghost:hover {
  background: rgba(59, 242, 176, 0.1);
  border-color: var(--bf-mint);
  color: var(--bf-mint);
}
.bf-btn--sm { padding: 0.5em 1em; font-size: 0.82rem; }

/* ============================================================
   HEADER · 紧凑命令栏
   ============================================================ */
.bf-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(6, 32, 26, 0.98), rgba(6, 32, 26, 0.92));
  border-bottom: 1px solid var(--bf-line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: box-shadow 0.24s var(--bf-ease), border-color 0.24s var(--bf-ease);
}
.bf-header[data-scrolled="true"] {
  border-bottom-color: var(--bf-line-strong);
  box-shadow: 0 22px 40px -32px rgba(0, 0, 0, 0.95);
}

.bf-header__inner {
  width: 100%;
  max-width: var(--bf-max);
  min-height: var(--bf-header-h);
  margin-inline: auto;
  padding-inline: var(--bf-gutter);
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 24px);
}

/* 品牌 */
.bf-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  flex: 0 0 auto;
  color: var(--bf-mist);
  text-decoration: none;
}
.bf-brand:hover { color: var(--bf-mist); }
.bf-brand__mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 11px;
  border: 1.5px solid var(--bf-line-strong);
  background: radial-gradient(circle at 72% 24%, rgba(59, 242, 176, 0.5), rgba(12, 46, 38, 0.92) 72%);
  box-shadow: inset 0 0 14px rgba(59, 242, 176, 0.22);
}
.bf-brand__mark-core {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--bf-amber);
  box-shadow: 0 0 12px rgba(255, 194, 75, 0.75);
}
.bf-brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.bf-brand__name {
  font-family: var(--bf-cond);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: 0.04em;
  color: var(--bf-mist);
}
.bf-brand__sub {
  font-family: var(--bf-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bf-slate);
}

/* 状态胶囊 */
.bf-header__status {
  display: inline-flex;
  align-items: center;
  gap: 0.52rem;
  margin: 0;
  padding: 0.34rem 0.85rem 0.34rem 0.65rem;
  border: 1px solid var(--bf-line);
  border-radius: var(--bf-radius-pill);
  background: rgba(59, 242, 176, 0.07);
  color: var(--bf-mint-soft);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.bf-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--bf-red);
  box-shadow: 0 0 0 3px rgba(255, 90, 78, 0.18);
  animation: bf-pulse 2.4s ease-in-out infinite;
}
@keyframes bf-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* 主导航 */
.bf-nav {
  display: flex;
  align-items: center;
  margin-left: auto;
}
.bf-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: bfnav;
}
.bf-nav__item { display: flex; }
.bf-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.42em;
  padding: 0.5rem 0.72rem;
  border-radius: var(--bf-radius-pill);
  color: var(--bf-mist);
  font-size: 0.86rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s var(--bf-ease), color 0.18s var(--bf-ease);
}
.bf-nav__link::before {
  counter-increment: bfnav;
  content: counter(bfnav, decimal-leading-zero);
  font-family: var(--bf-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--bf-slate);
  transition: color 0.18s var(--bf-ease);
}
.bf-nav__link:hover {
  background: rgba(59, 242, 176, 0.1);
  color: var(--bf-mint);
}
.bf-nav__link:hover::before { color: var(--bf-mint); }
.bf-nav__link[aria-current="page"] {
  background: rgba(59, 242, 176, 0.12);
  color: var(--bf-mint);
  box-shadow: inset 0 -2px 0 var(--bf-mint);
}
.bf-nav__link[aria-current="page"]::before { color: var(--bf-amber); }

.bf-nav__tail { display: none; }
.bf-nav__cta { width: 100%; }
.bf-nav__meta {
  margin: 0;
  font-family: var(--bf-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--bf-slate);
  text-align: center;
}

.bf-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
}

/* 移动菜单按钮 */
.bf-navtoggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--bf-line-strong);
  border-radius: var(--bf-radius-pill);
  background: rgba(12, 46, 38, 0.82);
  color: var(--bf-mint-soft);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.18s var(--bf-ease), color 0.18s var(--bf-ease);
}
.bf-navtoggle:hover { background: rgba(59, 242, 176, 0.12); color: var(--bf-mint); }
.bf-navtoggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 11px;
}
.bf-navtoggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.22s var(--bf-ease), opacity 0.22s var(--bf-ease);
}
.bf-header[data-open="true"] .bf-navtoggle__bars span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}
.bf-header[data-open="true"] .bf-navtoggle__bars span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}
.bf-navtoggle__label { line-height: 1; }

/* 滚动进度 */
.bf-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--bf-mint), var(--bf-amber));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.1s linear;
  pointer-events: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.bf-footer {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  padding-top: clamp(40px, 6vw, 72px);
  background: linear-gradient(180deg, rgba(2, 17, 12, 0.55), var(--bf-ink-deep));
  border-top: 1px solid var(--bf-line-strong);
  color: var(--bf-mist);
}
.bf-footer::before {
  content: "";
  position: absolute;
  inset: -1px 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bf-mint), transparent);
  opacity: 0.55;
}
.bf-footer__inner {
  width: 100%;
  max-width: var(--bf-max);
  margin-inline: auto;
  padding: 0 var(--bf-gutter) clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: minmax(240px, 1.1fr) minmax(0, 2fr);
  gap: clamp(28px, 5vw, 72px);
}
.bf-footer__brandcol {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}
.bf-brand--footer .bf-brand__name { font-size: 1.16rem; }
.bf-brand--footer .bf-brand__sub { letter-spacing: 0.12em; text-transform: none; }
.bf-footer__pitch {
  margin: 0.8rem 0 0;
  font-family: var(--bf-cond);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--bf-mint-soft);
  max-width: 15em;
}
.bf-footer__version {
  margin: 0;
  padding: 0.2em 0.75em;
  border: 1px solid rgba(255, 194, 75, 0.42);
  border-radius: var(--bf-radius-pill);
  background: rgba(255, 194, 75, 0.08);
  font-family: var(--bf-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bf-amber);
}
.bf-footer__cta { margin-top: 0.9rem; }

.bf-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}
.bf-footer__title {
  margin: 0 0 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--bf-line);
  font-family: var(--bf-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bf-mint);
}
.bf-footer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}
.bf-footer__list a {
  display: inline-block;
  color: var(--bf-slate);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.18s var(--bf-ease), transform 0.18s var(--bf-ease);
}
.bf-footer__list a:hover {
  color: var(--bf-mint);
  transform: translateX(3px);
}

.bf-footer__base {
  border-top: 1px solid var(--bf-line);
  background: rgba(2, 17, 12, 0.62);
}
.bf-footer__base-inner {
  width: 100%;
  max-width: var(--bf-max);
  margin-inline: auto;
  padding: 20px var(--bf-gutter) 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
}
.bf-footer__contact,
.bf-footer__legal {
  margin: 0;
  font-family: var(--bf-mono);
  font-size: 0.72rem;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--bf-slate);
}
.bf-footer__contact { color: var(--bf-mint-soft); }

/* ============================================================
   通用布局组件
   ============================================================ */
.bf-container {
  width: 100%;
  max-width: var(--bf-max);
  margin-inline: auto;
  padding-inline: var(--bf-gutter);
}

.bf-section { padding-block: clamp(44px, 6.5vw, 92px); }

.bf-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(22px, 3.5vw, 40px);
}
.bf-section__head > * { margin-bottom: 0; }

.bf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin: 0 0 0.7em;
  font-family: var(--bf-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bf-mint);
}
.bf-eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.bf-index {
  font-family: var(--bf-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--bf-slate);
}

.bf-lede {
  font-size: clamp(1rem, 1.5vw, 1.14rem);
  line-height: 1.7;
  color: var(--bf-mint-soft);
  max-width: 36em;
}

.bf-rule {
  border: 0;
  height: 1px;
  margin: clamp(22px, 3.5vw, 38px) 0;
  background: var(--bf-line);
}

/* 网格 */
.bf-grid {
  display: grid;
  gap: clamp(16px, 2.5vw, 28px);
}
.bf-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bf-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bf-grid--split { grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); align-items: start; }

.bf-aside {
  position: sticky;
  top: calc(var(--bf-header-h) + 20px);
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
}

/* 卡片 */
.bf-card {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--bf-line);
  border-radius: var(--bf-radius-lg);
  background: var(--bf-surface);
  box-shadow: var(--bf-shadow-soft);
  transition: transform 0.2s var(--bf-ease), border-color 0.2s var(--bf-ease);
}
.bf-card:hover {
  transform: translateY(-2px);
  border-color: var(--bf-line-strong);
}
.bf-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 0.8rem;
}
.bf-card__title {
  margin: 0;
  font-family: var(--bf-cond);
  font-size: 1.05rem;
  font-weight: 800;
}

/* 标签 */
.bf-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.2em 0.72em;
  border: 1px solid var(--bf-line-strong);
  border-radius: var(--bf-radius-pill);
  font-family: var(--bf-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bf-mint-soft);
  white-space: nowrap;
}
.bf-tag--amber {
  color: var(--bf-amber);
  border-color: rgba(255, 194, 75, 0.45);
  background: rgba(255, 194, 75, 0.08);
}
.bf-tag--red {
  color: #FFB3AD;
  border-color: rgba(255, 90, 78, 0.5);
  background: rgba(255, 90, 78, 0.1);
}

/* 正文 */
.bf-prose {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--bf-mist);
}
.bf-prose p { max-width: 36em; margin: 0 0 1.1em; }
.bf-prose h2,
.bf-prose h3 { margin-top: 1.6em; }
.bf-prose ul,
.bf-prose ol { margin: 0 0 1.2em; padding-left: 1.25em; }
.bf-prose li { margin-bottom: 0.5em; max-width: 34em; }
.bf-prose a { color: var(--bf-mint); }
.bf-prose--paper {
  padding: clamp(20px, 4vw, 48px);
  border-radius: var(--bf-radius-lg);
  border: 1px solid rgba(11, 36, 29, 0.12);
  background: var(--bf-paper);
  color: #0B241D;
}
.bf-prose--paper h2,
.bf-prose--paper h3,
.bf-prose--paper strong { color: #0B241D; }
.bf-prose--paper a { color: #0E6B4F; }

.bf-note {
  margin: 0 0 1.2em;
  padding: 10px 0 10px 16px;
  border-left: 2px solid var(--bf-amber);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--bf-mint-soft);
}

/* 面包屑 */
.bf-breadcrumb {
  width: 100%;
  max-width: var(--bf-max);
  margin-inline: auto;
  padding: 14px var(--bf-gutter) 0;
  font-family: var(--bf-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--bf-slate);
}
.bf-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bf-breadcrumb li { display: flex; align-items: center; gap: 0.5em; }
.bf-breadcrumb li + li::before {
  content: "/";
  color: var(--bf-line-strong);
}
.bf-breadcrumb a { color: var(--bf-slate); text-decoration: none; }
.bf-breadcrumb a:hover { color: var(--bf-mint); }
.bf-breadcrumb [aria-current="page"] { color: var(--bf-mist); }

/* ============================================================
   数据构件 · 比分牌
   ============================================================ */
.bf-scoreboard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(12px, 3vw, 32px);
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--bf-line-strong);
  border-radius: var(--bf-radius-lg);
  background: radial-gradient(130% 170% at 50% 0%, rgba(59, 242, 176, 0.14), rgba(12, 46, 38, 0.9) 62%);
  box-shadow: var(--bf-shadow-soft);
}
.bf-scoreboard__team {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.3;
}
.bf-scoreboard__team--away {
  flex-direction: row-reverse;
  text-align: right;
}
.bf-scoreboard__crest {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 12px;
  border: 1px solid var(--bf-line-strong);
  background: linear-gradient(150deg, rgba(59, 242, 176, 0.35), rgba(2, 17, 12, 0.92));
}
.bf-scoreboard__score {
  display: flex;
  align-items: baseline;
  gap: 0.22em;
  font-family: var(--bf-mono);
  font-weight: 700;
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--bf-amber);
}
.bf-scoreboard__meta {
  margin: 0.45rem 0 0;
  font-family: var(--bf-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bf-slate);
}

/* ============================================================
   数据构件 · 时间轴
   ============================================================ */
.bf-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
}
.bf-timeline__item {
  position: relative;
  padding: 0 0 24px 28px;
  border-left: 1px solid var(--bf-line);
}
.bf-timeline__item:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}
.bf-timeline__dot {
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--bf-slate);
  background: var(--bf-ink);
  transition: background-color 0.3s var(--bf-ease), border-color 0.3s var(--bf-ease),
    box-shadow 0.3s var(--bf-ease);
}
.bf-timeline__item.is-in .bf-timeline__dot {
  background: var(--bf-mint);
  border-color: var(--bf-mint);
  box-shadow: 0 0 0 4px rgba(59, 242, 176, 0.16);
}
.bf-timeline__time {
  display: block;
  font-family: var(--bf-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bf-amber);
}
.bf-timeline__body { margin-top: 0.3rem; }
.bf-timeline__body p { margin: 0; max-width: 34em; }
.bf-timeline__body h3 { margin: 0 0 0.25rem; }

/* ============================================================
   数据构件 · 分段切换
   ============================================================ */
.bf-tabs { margin: 0; }
.bf-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: max-content;
  max-width: 100%;
  padding: 6px;
  border: 1px solid var(--bf-line);
  border-radius: var(--bf-radius-pill);
  background: rgba(12, 46, 38, 0.62);
}
.bf-tabs__tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--bf-mist);
  font-family: var(--bf-sans);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.55em 1.1em;
  border-radius: var(--bf-radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.18s var(--bf-ease), color 0.18s var(--bf-ease),
    box-shadow 0.18s var(--bf-ease);
}
.bf-tabs__tab:hover {
  background: rgba(59, 242, 176, 0.1);
  color: var(--bf-mint);
}
.bf-tabs__tab[aria-selected="true"] {
  background: var(--bf-mint);
  color: #04211A;
  box-shadow: 0 8px 20px -12px rgba(59, 242, 176, 0.95);
}
.bf-tabs__panel { padding-top: 22px; }
.bf-tabs__panel[hidden] { display: none; }

/* ============================================================
   图片容器（页面阶段放置占位 / img）
   ============================================================ */
.bf-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--bf-line);
  border-radius: var(--bf-radius-lg);
  background:
    radial-gradient(120% 140% at 20% 0%, rgba(59, 242, 176, 0.16), transparent 60%),
    linear-gradient(150deg, var(--bf-ink-2), var(--bf-ink-deep));
}
.bf-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bf-media--wide { aspect-ratio: 21 / 9; }
.bf-media--portrait { aspect-ratio: 4 / 5; }
.bf-media--square { aspect-ratio: 1 / 1; }
.bf-media__cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px 18px;
  font-family: var(--bf-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--bf-mint-soft);
  background: linear-gradient(0deg, rgba(2, 17, 12, 0.92), transparent);
}

/* ============================================================
   显现协议
   ============================================================ */
.bf-js [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.42s var(--bf-ease), transform 0.42s var(--bf-ease);
}
.bf-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .bf-header__status { display: none; }
}

@media (max-width: 960px) {
  :root { --bf-header-h: 58px; }

  .bf-header__actions { display: none; }
  .bf-navtoggle { display: inline-flex; }

  .bf-nav {
    position: fixed;
    top: calc(var(--bf-header-h) + 8px);
    left: 12px;
    right: 12px;
    z-index: 70;
    margin-left: 0;
    max-height: calc(100dvh - var(--bf-header-h) - 28px);
    overflow: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 14px;
    border: 1px solid var(--bf-line-strong);
    border-radius: 22px;
    background: rgba(9, 38, 31, 0.985);
    box-shadow: 0 34px 64px -30px rgba(0, 0, 0, 0.95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.2s var(--bf-ease), transform 0.2s var(--bf-ease),
      visibility 0.2s var(--bf-ease);
  }
  .bf-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .bf-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .bf-nav__link {
    justify-content: flex-start;
    padding: 0.72rem 0.9rem;
    border-radius: 14px;
    font-size: 0.95rem;
  }
  .bf-nav__tail {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.6rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--bf-line);
  }
}

@media (max-width: 860px) {
  .bf-grid--2,
  .bf-grid--3,
  .bf-grid--split { grid-template-columns: 1fr; }
  .bf-aside { position: static; }
  .bf-footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .bf-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bf-scoreboard { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .bf-scoreboard__team,
  .bf-scoreboard__team--away { flex-direction: row; text-align: left; }
  .bf-tabs__list { width: 100%; border-radius: 18px; }
  .bf-tabs__tab { flex: 1 1 auto; text-align: center; }
}

/* ============================================================
   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;
  }
  .bf-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .bf-timeline__item.is-in .bf-timeline__dot { box-shadow: none; }
}