/* ============================================================
   十博体育主站 · 共享站点样式
   /assets/site.css
   夜蓝底 · 深墨绿内容带 · 荧光青与琥珀橙点火
   ============================================================ */

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

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

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

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

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

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

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

table { border-collapse: collapse; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 2. Tokens ---------- */
:root {
  --ink-night: #0B1B2B;
  --ink-deep: #0E2A24;
  --ink-row: #12352E;
  --ink-footer: #07121D;

  --cream: #F4EBDD;
  --cyan: #5FF2D6;
  --amber: #F5A623;
  --stone: #8B9794;
  --moss: #4E6B58;
  --clay: #B86B4B;
  --mist: #9DB4C0;

  --deep-ink: #04171a;

  --font-sans: "HarmonyOS Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shell: 1320px;
  --pad: clamp(16px, 3.2vw, 40px);

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;

  --hairline: rgba(157, 180, 192, 0.18);
  --hairline-strong: rgba(157, 180, 192, 0.32);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 220ms;

  --z-header: 60;
  --z-progress: 90;
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: clamp(16px, 0.35vw + 15px, 17.5px);
  font-weight: 400;
  line-height: 1.75;
  color: var(--cream);
  background-color: var(--ink-night);
  background-image:
    linear-gradient(rgba(95, 242, 214, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95, 242, 214, 0.045) 1px, transparent 1px);
  background-size: 100% 96px, 96px 100%;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (min-width: 900px) {
  body { background-attachment: fixed; }
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.8rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.42rem); letter-spacing: -0.01em; }
h4 { font-size: 1.05rem; letter-spacing: 0; }

p { text-wrap: pretty; }

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

.annotation {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  line-height: 1.4;
  color: var(--mist);
}

.annotation--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.4em;
  max-height: min(320px, 40vh);
}

/* ---------- 4. Layout ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(40px, 6vw, 88px); }
.section--night { background: var(--ink-night); }
.section--deep { background: var(--ink-deep); }
.section--row { background: var(--ink-row); }

.stack {
  display: grid;
  gap: var(--stack-gap, 16px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.grid { display: grid; gap: clamp(16px, 2vw, 28px); }

.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

@media (min-width: 900px) {
  .col-3 { grid-column: span 3; }
  .col-4 { grid-column: span 4; }
  .col-5 { grid-column: span 5; }
  .col-6 { grid-column: span 6; }
  .col-7 { grid-column: span 7; }
  .col-8 { grid-column: span 8; }
  .col-9 { grid-column: span 9; }
  .col-12 { grid-column: span 12; }
}

@media (max-width: 899px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .col-3, .col-4, .col-5 { grid-column: span 3; }
  .col-6, .col-7, .col-8, .col-9, .col-12 { grid-column: span 6; }
}

@media (max-width: 599px) {
  .grid--12 { grid-template-columns: minmax(0, 1fr); }
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-12 {
    grid-column: 1 / -1;
  }
}

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--ink-footer);
  border-bottom: 1px solid rgba(95, 242, 214, 0.3);
  box-shadow: 0 22px 48px -32px rgba(0, 0, 0, 0.95);
}

.skip-link {
  position: absolute;
  left: var(--pad);
  top: -120px;
  z-index: 120;
  padding: 0.7em 1.3em;
  border-radius: 0 0 16px 16px;
  background: var(--cyan);
  color: var(--deep-ink);
  font-weight: 700;
  font-size: 0.9rem;
  transition: top 180ms var(--ease);
}

.skip-link:focus-visible { top: 0; }

/* 顶部测量轨 */
.header-rail {
  background:
    linear-gradient(90deg, rgba(95, 242, 214, 0.12), transparent 42%, rgba(245, 166, 35, 0.1));
  border-bottom: 1px solid var(--hairline);
}

.header-rail__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 34px;
  padding-block: 5px;
}

.rail-node {
  display: grid;
  place-items: center;
  flex: none;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: var(--cyan);
  color: var(--deep-ink);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
}

.rail-brand {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--stone);
  white-space: nowrap;
}

.rail-brand__sub {
  margin-left: 0.85em;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.rail-tags {
  display: flex;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(157, 180, 192, 0.82);
}

.rail-tags li { display: flex; align-items: center; }

.rail-tags li + li::before {
  content: "/";
  margin-inline: 0.85em;
  color: rgba(95, 242, 214, 0.55);
}

/* 主条 */
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2.4vw, 36px);
  padding-block: clamp(10px, 1.4vw, 16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  flex: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--cyan), #21b9a1);
  color: var(--deep-ink);
  font-size: 19px;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 0 0 1px rgba(95, 242, 214, 0.5), 0 12px 26px -16px var(--cyan);
}

.brand__text { display: grid; gap: 1px; line-height: 1.15; }

.brand__name {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.brand__line {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

/* 导航 */
.site-nav { flex: 0 1 auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-list__link {
  display: inline-block;
  padding: 0.48em 0.82em;
  border-radius: var(--radius-pill);
  font-size: 0.93rem;
  font-weight: 600;
  white-space: nowrap;
  color: rgba(244, 235, 221, 0.8);
  transition:
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.nav-list__link:hover {
  color: var(--cyan);
  background: rgba(95, 242, 214, 0.1);
}

.nav-list__link[aria-current="page"] {
  color: var(--deep-ink);
  background: var(--cyan);
  box-shadow: 0 10px 24px -16px var(--cyan);
}

/* 操作区与移动开关 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55em;
  padding: 0.5em 0.9em;
  border: 1px solid rgba(244, 235, 221, 0.28);
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--cream);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

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

.nav-toggle__box span {
  display: block;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

.nav-toggle__label { line-height: 1; }

/* 移动端折叠 */
@media (max-width: 979px) {
  .nav-toggle { display: inline-flex; }

  .rail-tags { display: none; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    padding: 10px var(--pad) 22px;
    background: var(--ink-footer);
    border-bottom: 1px solid rgba(95, 242, 214, 0.3);
    box-shadow: 0 34px 64px -34px #000;
  }

  .site-nav[data-open] { display: block; }

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

  .nav-list li + li { border-top: 1px solid rgba(157, 180, 192, 0.12); }

  .nav-list__link {
    display: block;
    padding: 0.82em 0.9em;
    border-radius: 14px;
    font-size: 1rem;
  }
}

@media (max-width: 479px) {
  .nav-toggle__label { display: none; }
  .rail-brand__sub { display: none; }
  .header-actions .btn { padding: 0.45em 0.8em; }
}

/* ---------- 6. Buttons & Tags ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45em;
  padding: 0.62em 1.18em;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.2;
  white-space: nowrap;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn--accent {
  background: var(--cyan);
  color: var(--deep-ink);
  box-shadow: 0 14px 30px -20px var(--cyan);
}

.btn--accent:hover { background: #7df8e0; }

.btn--quiet {
  border-color: rgba(244, 235, 221, 0.32);
  color: var(--cream);
}

.btn--quiet:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--sm {
  padding: 0.45em 0.95em;
  font-size: 0.84rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.16em 0.7em;
  border: 1px solid rgba(157, 180, 192, 0.36);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--mist);
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.pill--league {
  background: rgba(95, 242, 214, 0.12);
  border-color: rgba(95, 242, 214, 0.48);
  color: var(--cyan);
}

.pill--points {
  background: rgba(245, 166, 35, 0.14);
  border-color: rgba(245, 166, 35, 0.5);
  color: var(--amber);
  font-family: var(--font-mono);
}

.pill--moss {
  background: rgba(78, 107, 88, 0.34);
  border-color: rgba(78, 107, 88, 0.8);
  color: #cfe4d3;
}

.pill--clay {
  background: rgba(184, 107, 75, 0.2);
  border-color: rgba(184, 107, 75, 0.7);
  color: #f1b79c;
}

.pill[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep-ink);
}

/* ---------- 7. Content Primitives ---------- */
.prose {
  max-width: 68ch;
  font-size: clamp(16px, 0.35vw + 15px, 17.5px);
  line-height: 1.8;
  color: rgba(244, 235, 221, 0.9);
}

.prose > * + * { margin-top: 1em; }

.prose h2 {
  margin-top: 2em;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
}

.prose h3 { margin-top: 1.6em; }

.prose ul {
  display: grid;
  gap: 0.5em;
}

.prose li {
  position: relative;
  padding-left: 1.25em;
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--moss);
}

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose strong { color: var(--cream); font-weight: 700; }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.crumbs li {
  display: flex;
  align-items: center;
  gap: 0.4em;
}

.crumbs li + li::before {
  content: "/";
  color: rgba(157, 180, 192, 0.5);
}

.crumbs a { transition: color var(--dur) var(--ease); }
.crumbs a:hover { color: var(--cyan); }

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, var(--ink-row), var(--ink-deep) 58%, #0a1c26 100%);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 72% 0%, rgba(95, 242, 214, 0.18), transparent 58%),
    repeating-linear-gradient(90deg, rgba(157, 180, 192, 0.1) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

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

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.stat { display: grid; gap: 4px; }

.stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

/* ---------- 8. Fold (可展开内容组) ---------- */
.fold { border-bottom: 1px solid var(--hairline); }

.fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  width: 100%;
  padding: 1.05em 0;
  text-align: left;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--cream);
  transition: color var(--dur) var(--ease);
}

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

.fold__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(95, 242, 214, 0.42);
  border-radius: 50%;
  font-size: 12px;
  line-height: 1;
  color: var(--cyan);
  transition:
    transform var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.fold[data-open] .fold__icon {
  transform: rotate(90deg);
  background: rgba(95, 242, 214, 0.16);
}

.fold__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur) var(--ease);
}

.fold[data-open] .fold__panel { grid-template-rows: 1fr; }

.fold__panel > * { overflow: hidden; min-height: 0; }

.fold__body {
  padding-bottom: 1.15em;
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(244, 235, 221, 0.86);
}

/* ---------- 9. Footer ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--ink-footer);
  border-top: 1px solid rgba(95, 242, 214, 0.3);
}

.footer-inner {
  padding-block: clamp(36px, 5vw, 64px) clamp(20px, 3vw, 32px);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 2fr);
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--hairline);
}

.footer-brand {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.brand--footer .brand__mark {
  background: transparent;
  border: 1px solid rgba(95, 242, 214, 0.45);
  color: var(--cyan);
  box-shadow: none;
}

.footer-brand__note {
  max-width: 32ch;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.footer-brand__annotation {
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: rgba(157, 180, 192, 0.65);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 32px);
}

.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.footer-col__list { display: grid; gap: 9px; }

.footer-col__list a {
  font-size: 0.92rem;
  color: rgba(244, 235, 221, 0.78);
  transition: color var(--dur) var(--ease);
}

.footer-col__list a:hover { color: var(--amber); }

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(20px, 3vw, 44px);
  padding-block: clamp(20px, 3vw, 32px) 10px;
}

.footer-contact__item {
  display: flex;
  align-items: baseline;
  gap: 0.7em;
  font-size: 0.9rem;
}

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.footer-contact__val { color: var(--cream); }

.footer-note {
  max-width: 62ch;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--stone);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px clamp(18px, 3vw, 36px);
  margin-top: clamp(18px, 3vw, 28px);
  padding-top: 18px;
  border-top: 1px solid var(--hairline);
  font-size: 0.8rem;
  color: var(--stone);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.footer-legal__links a {
  transition: color var(--dur) var(--ease);
}

.footer-legal__links a:hover { color: var(--cyan); }

.footer-legal__icp {
  margin-left: auto;
  letter-spacing: 0.06em;
}

@media (max-width: 899px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-legal__icp { margin-left: 0; }
}

@media (max-width: 479px) {
  .footer-cols { grid-template-columns: minmax(0, 1fr); }
  .footer-contact__item { gap: 0.5em; }
}

/* ---------- 10. Scroll Progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: var(--z-progress);
  background: rgba(157, 180, 192, 0.12);
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  transition: width 90ms linear;
}

/* ---------- 11. Motion Preferences ---------- */
@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;
    scroll-behavior: auto !important;
  }

  .scroll-progress__bar { transition: none; }
  .btn:active { transform: none; }
}