/* ===================================================================
   体验体育 · 共享样式表 /assets/site.css
   深空蓝底 + 荧光青 / 电光橙 / 薄荷绿 / 亮金的赛事长卷体系
   =================================================================== */

/* ---------- 1. 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: #070D22;
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 变量 ---------- */
:root {
  --xp-void: #070D22;
  --xp-navy: #0E1738;
  --xp-indigo: #152048;
  --xp-cyan: #35E8D0;
  --xp-orange: #FF7A2F;
  --xp-mint: #6FF0B0;
  --xp-gold: #FFC94A;
  --xp-mist: #8FA3C8;
  --xp-porcelain: #E8EFFA;
  --xp-soft: #BDC9E6;

  --xp-font-display: "PingFang SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --xp-font-body: "Source Han Serif SC", "Noto Serif SC", "Songti SC", Georgia, "Times New Roman", "SimSun", serif;
  --xp-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --xp-wrap: 1180px;
  --xp-gutter: clamp(1.15rem, 4vw, 2.5rem);
  --xp-cut: 20px;
  --xp-cut-sm: 12px;

  --xp-line: rgba(143, 163, 200, 0.16);
  --xp-line-strong: rgba(53, 232, 208, 0.34);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--xp-font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--xp-porcelain);
  background: transparent;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(143, 163, 200, 0.075) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(143, 163, 200, 0.075) 1px, transparent 1px);
  background-size: 64px 64px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--xp-font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--xp-porcelain);
}

h1 { font-size: clamp(2.4rem, 6.4vw, 4.6rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.9rem); }
h3 { font-size: clamp(1.12rem, 2.1vw, 1.5rem); }

strong { color: #FFFFFF; font-weight: 700; }

:focus-visible {
  outline: 2px solid var(--xp-cyan);
  outline-offset: 3px;
  box-shadow: 0 0 0 2px var(--xp-void);
}

::selection { background: var(--xp-cyan); color: var(--xp-void); }

/* ---------- 4. 跳过链接 ---------- */
.xp-skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 120;
  padding: 0.6rem 1.1rem;
  font-family: var(--xp-font-display);
  font-weight: 900;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--xp-void);
  background: var(--xp-cyan);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 88% 100%, 0 100%);
  transition: top 0.2s ease;
}
.xp-skip:focus { top: 1rem; }

/* ---------- 5. 布局脚手架 ---------- */
.xp-container,
.xp-header__inner,
.xp-footer__inner {
  width: min(var(--xp-wrap), calc(100% - (var(--xp-gutter) * 2)));
  margin-inline: auto;
}

.xp-container--narrow { width: min(760px, calc(100% - (var(--xp-gutter) * 2))); }
.xp-container--wide { width: min(1380px, calc(100% - (var(--xp-gutter) * 2))); }

.xp-section {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6rem);
}

.xp-section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.xp-section__num {
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  color: var(--xp-cyan);
}

.xp-section__title { margin: 0; }

.xp-lede {
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--xp-soft);
}

.xp-num {
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.xp-display {
  font-family: var(--xp-font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 0.98;
}

.xp-display--mega { font-size: clamp(3rem, 9vw, 7.5rem); }

.xp-annotation {
  writing-mode: vertical-rl;
  font-family: var(--xp-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.3em;
  color: var(--xp-mist);
}

.xp-divider {
  height: 2px;
  border: 0;
  background: linear-gradient(90deg, var(--xp-cyan), var(--xp-orange) 55%, transparent);
  opacity: 0.7;
}

.xp-grid {
  display: grid;
  gap: clamp(1.15rem, 3vw, 2rem);
}
.xp-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.xp-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.xp-grid--split { grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.9fr); }

@media (max-width: 900px) {
  .xp-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .xp-grid--split { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 620px) {
  .xp-grid--2,
  .xp-grid--3 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 6. 按钮 ---------- */
.xp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.4rem;
  font-family: var(--xp-font-display);
  font-weight: 900;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: var(--xp-void);
  background: linear-gradient(120deg, var(--xp-cyan), #8FF5E6);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: transform 0.2s ease, background 0.2s ease;
}
.xp-btn:hover {
  transform: translateY(-4px);
  background: linear-gradient(120deg, #5CF0DC, #C4FFF7);
}

.xp-btn--accent {
  background: linear-gradient(120deg, var(--xp-orange), #FFB37A);
  color: #1A0B02;
}
.xp-btn--accent:hover { background: linear-gradient(120deg, #FF9251, #FFD0A8); }

.xp-btn--ghost {
  color: var(--xp-cyan);
  background: rgba(53, 232, 208, 0.08);
  box-shadow: inset 0 0 0 1px rgba(53, 232, 208, 0.55);
}
.xp-btn--ghost:hover { background: rgba(53, 232, 208, 0.18); }

.xp-btn--sm { padding: 0.5rem 1rem; font-size: 0.8rem; letter-spacing: 0.06em; }

/* ---------- 7. 头部 ---------- */
.xp-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 13, 34, 0.96);
  border-bottom: 1px solid var(--xp-line);
}

.xp-header__top {
  max-height: 120px;
  overflow: hidden;
  background: linear-gradient(90deg, rgba(21, 32, 72, 0.95), rgba(14, 23, 56, 0.7) 60%, rgba(7, 13, 34, 0.9));
  border-bottom: 1px solid var(--xp-line);
  transition: max-height 0.35s ease, opacity 0.24s ease;
}

.xp-header[data-collapsed="true"] .xp-header__top {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.xp-header__top .xp-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 54px;
  padding-block: 0.6rem;
}

.xp-header__bar .xp-header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 58px;
  padding-block: 0.25rem;
}

.xp-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.xp-brand__mark {
  flex: none;
  padding: 0.34rem 0.5rem;
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--xp-void);
  background: linear-gradient(135deg, var(--xp-cyan), #7FF3E2);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 82% 100%, 0 100%);
}

.xp-brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.xp-brand__name {
  font-family: var(--xp-font-display);
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  line-height: 1.25;
  color: var(--xp-porcelain);
}

.xp-brand__line {
  font-family: var(--xp-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--xp-mist);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.xp-header__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: none;
}

.xp-phase {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--xp-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--xp-mint);
  white-space: nowrap;
}

.xp-phase__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--xp-mint);
  box-shadow: 0 0 0 3px rgba(111, 240, 176, 0.2);
  animation: xp-pulse 2.4s ease-in-out infinite;
}

@keyframes xp-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(111, 240, 176, 0.18); }
  50% { box-shadow: 0 0 0 6px rgba(111, 240, 176, 0.05); }
}

/* ---------- 8. 导航 ---------- */
.xp-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  min-width: 0;
}

.xp-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.7rem);
}

.xp-nav__link {
  display: inline-block;
  padding: 0.85rem 0.2rem;
  font-family: var(--xp-font-display);
  font-weight: 700;
  font-size: 0.94rem;
  letter-spacing: 0.06em;
  color: var(--xp-porcelain);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.xp-nav__link:hover { color: var(--xp-cyan); }

.xp-nav__link[aria-current="page"] {
  color: var(--xp-cyan);
  border-bottom-color: var(--xp-cyan);
}

.xp-nav__clock {
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--xp-orange);
  white-space: nowrap;
}

.xp-nav__toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  color: var(--xp-cyan);
  box-shadow: inset 0 0 0 1px var(--xp-line-strong);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.xp-nav__toggle-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: background 0.2s ease;
}

.xp-nav__toggle-bars::before,
.xp-nav__toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease;
}
.xp-nav__toggle-bars::before { top: -6px; }
.xp-nav__toggle-bars::after { top: 6px; }

.xp-nav__toggle[aria-expanded="true"] .xp-nav__toggle-bars { background: transparent; }
.xp-nav__toggle[aria-expanded="true"] .xp-nav__toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.xp-nav__toggle[aria-expanded="true"] .xp-nav__toggle-bars::after { transform: translateY(-6px) rotate(-45deg); }

.xp-nav__toggle-label {
  font-family: var(--xp-font-display);
  font-weight: 900;
  font-size: 0.84rem;
  letter-spacing: 0.12em;
}

@media (max-width: 1024px) {
  .xp-brand__line { display: none; }
  .xp-nav__list { gap: 0.75rem; }
  .xp-nav__link { font-size: 0.88rem; letter-spacing: 0.03em; }
  .xp-nav__clock { display: none; }
}

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

  .xp-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    padding: 0.4rem var(--xp-gutter) 1.25rem;
    background: var(--xp-navy);
    border-bottom: 1px solid var(--xp-line-strong);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  }

  .xp-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .xp-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .xp-nav__link {
    display: block;
    padding: 0.85rem 0.25rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--xp-line);
  }

  .xp-nav__link[aria-current="page"] {
    border-bottom-color: var(--xp-cyan);
    background: linear-gradient(90deg, rgba(53, 232, 208, 0.14), transparent);
  }
}

@media (max-width: 720px) {
  .xp-phase { display: none; }
  .xp-header__top .xp-header__inner { min-height: 48px; }
}

/* ---------- 9. 阅读进度 ---------- */
.xp-progress {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 3px;
  background: rgba(143, 163, 200, 0.14);
  pointer-events: none;
  z-index: 70;
}

.xp-progress__bar {
  display: block;
  width: 100%;
  height: 0;
  background: linear-gradient(180deg, var(--xp-cyan), var(--xp-mint) 50%, var(--xp-orange));
}

/* ---------- 10. 页脚 ---------- */
.xp-footer {
  position: relative;
  z-index: 5;
  margin-top: clamp(3rem, 8vw, 6rem);
  padding-block: clamp(2.5rem, 6vw, 4.5rem) 1.25rem;
  background: linear-gradient(180deg, var(--xp-void) 0%, #0A1230 55%, var(--xp-navy) 100%);
  border-top: 1px solid var(--xp-line-strong);
}

.xp-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(40%, 420px);
  height: 3px;
  background: linear-gradient(90deg, var(--xp-cyan), var(--xp-orange) 72%, transparent);
}

.xp-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.3fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(1.75rem, 4vw, 2.75rem);
  border-bottom: 1px solid var(--xp-line);
}

.xp-footer__col { min-width: 0; }

.xp-footer__title {
  margin-bottom: 0.9rem;
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 0.76rem;
  letter-spacing: 0.24em;
  color: var(--xp-cyan);
}

.xp-footer__brand {
  font-family: var(--xp-font-display);
  font-weight: 900;
  font-size: 1.45rem;
  letter-spacing: 0.06em;
  color: var(--xp-porcelain);
}

.xp-footer__desc {
  margin-top: 0.7rem;
  max-width: 34ch;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--xp-soft);
}

.xp-footer__meta {
  margin-top: 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--xp-orange);
}

.xp-footer__list li + li { margin-top: 0.55rem; }

.xp-footer__link {
  font-size: 0.93rem;
  color: var(--xp-soft);
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.xp-footer__link:hover {
  color: var(--xp-cyan);
  border-bottom-color: var(--xp-cyan);
}

.xp-footer__contact li {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--xp-soft);
  overflow-wrap: anywhere;
}

.xp-footer__label {
  font-family: var(--xp-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--xp-mist);
}

.xp-footer__note {
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: var(--xp-mist);
}

.xp-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--xp-mist);
}

.xp-footer__legal-item { overflow-wrap: anywhere; }

.xp-footer__legal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.xp-footer__legal-link {
  color: var(--xp-soft);
  border-bottom: 1px solid var(--xp-line);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.xp-footer__legal-link:hover {
  color: var(--xp-cyan);
  border-bottom-color: var(--xp-cyan);
}

@media (max-width: 1024px) {
  .xp-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .xp-footer__grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 11. 通用组件 ---------- */
.xp-panel {
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  background: var(--xp-indigo);
  clip-path: polygon(0 0, calc(100% - var(--xp-cut)) 0, 100% var(--xp-cut), 100% 100%, var(--xp-cut) 100%, 0 calc(100% - var(--xp-cut)));
  transition: transform 0.2s ease, background 0.2s ease;
}
.xp-panel:hover {
  transform: translateY(-4px);
  background: #1B2857;
}
.xp-panel--navy { background: var(--xp-navy); }
.xp-panel--navy:hover { background: #16224C; }
.xp-panel--indigo { background: var(--xp-indigo); }

.xp-media {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--xp-navy), var(--xp-indigo) 60%, #1B2857);
  clip-path: polygon(0 0, calc(100% - var(--xp-cut)) 0, 100% var(--xp-cut), 100% 100%, var(--xp-cut) 100%, 0 calc(100% - var(--xp-cut)));
}

.xp-media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.xp-media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.5rem 0.8rem;
  font-family: var(--xp-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--xp-porcelain);
  background: linear-gradient(90deg, rgba(7, 13, 34, 0.92), rgba(7, 13, 34, 0));
}

.xp-media--16x9 { aspect-ratio: 16 / 9; }
.xp-media--4x3 { aspect-ratio: 4 / 3; }
.xp-media--1x1 { aspect-ratio: 1 / 1; }
.xp-media--tall { aspect-ratio: 3 / 4; }

.xp-score-strip {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  scroll-snap-type: x mandatory;
}

.xp-score-card {
  flex: 0 0 min(320px, 82vw);
  scroll-snap-align: start;
  padding: 1rem 1.1rem;
  background: var(--xp-indigo);
  border-left: 3px solid rgba(143, 163, 200, 0.35);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.xp-score-card:hover { transform: translateY(-4px); background: #1B2857; }
.xp-score-card[data-state="live"] { border-left-color: var(--xp-mint); }
.xp-score-card[data-state="final"] { border-left-color: rgba(143, 163, 200, 0.35); }

.xp-score-card__teams {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-family: var(--xp-font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.xp-score-card__num {
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 1.85rem;
  color: var(--xp-mint);
  letter-spacing: 0.02em;
}

.xp-score-card__half {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--xp-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--xp-mist);
}

.xp-leaderboard {
  display: grid;
  width: 100%;
  background: var(--xp-navy);
}

.xp-leaderboard__row {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--xp-line);
  transition: background 0.2s ease;
}
.xp-leaderboard__row:last-child { border-bottom: 0; }
.xp-leaderboard__row:hover { background: rgba(53, 232, 208, 0.08); }

.xp-leaderboard__row--top {
  background: linear-gradient(90deg, rgba(255, 201, 74, 0.16), rgba(255, 201, 74, 0.02));
  border-bottom-color: rgba(255, 201, 74, 0.28);
}

.xp-leaderboard__rank {
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--xp-mist);
}
.xp-leaderboard__row--top .xp-leaderboard__rank { color: var(--xp-gold); }

.xp-leaderboard__name {
  font-size: 0.95rem;
  color: var(--xp-porcelain);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.xp-leaderboard__row--top .xp-leaderboard__name { color: var(--xp-gold); }

.xp-leaderboard__goals {
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--xp-gold);
  text-align: right;
  min-width: 2.5rem;
}

.xp-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.12rem 0.5rem;
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--xp-mist);
  box-shadow: inset 0 0 0 1px var(--xp-line);
}
.xp-badge--live { color: var(--xp-mint); box-shadow: inset 0 0 0 1px rgba(111, 240, 176, 0.5); }
.xp-badge--final { color: var(--xp-mist); }

.xp-tag {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  font-family: var(--xp-font-mono);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--xp-cyan);
  background: rgba(53, 232, 208, 0.1);
}
.xp-tag--orange {
  color: var(--xp-orange);
  background: rgba(255, 122, 47, 0.12);
}

.xp-tree {
  display: grid;
  gap: 0.35rem;
  padding-left: 0.9rem;
  border-left: 1px solid var(--xp-line-strong);
}

.xp-tree__group { display: grid; gap: 0.3rem; }

.xp-tree__node {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.55rem;
  background: transparent;
  transition: background 0.2s ease, transform 0.2s ease;
}
.xp-tree__node:hover,
.xp-tree__node:focus-visible {
  background: rgba(53, 232, 208, 0.1);
  transform: translateY(-4px);
}

.xp-tree__label {
  font-size: 0.9rem;
  color: var(--xp-soft);
}

.xp-drawer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  max-height: 72vh;
  overflow-y: auto;
  padding: 1rem var(--xp-gutter) 1.5rem;
  background: var(--xp-navy);
  border-top: 1px solid var(--xp-line-strong);
  transform: translateY(102%);
  visibility: hidden;
  transition: transform 0.24s ease-out, visibility 0.24s;
}
.xp-drawer[data-open="true"] {
  transform: translateY(0);
  visibility: visible;
}

.xp-breadcrumb {
  display: block;
  padding-top: 1rem;
  font-family: var(--xp-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--xp-mist);
}
.xp-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.xp-breadcrumb li::after {
  content: "/";
  margin-left: 0.4rem;
  color: rgba(143, 163, 200, 0.45);
}
.xp-breadcrumb li:last-child::after { content: ""; }
.xp-breadcrumb a { transition: color 0.2s ease; }
.xp-breadcrumb a:hover { color: var(--xp-cyan); }
.xp-breadcrumb [aria-current="page"] { color: var(--xp-cyan); }

/* ---------- 12. 显现协议 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  transition-delay: var(--xp-delay, 0ms);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 13. 低动效 ---------- */
@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;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .xp-panel:hover,
  .xp-score-card:hover,
  .xp-tree__node:hover,
  .xp-btn:hover { transform: none; }
}