/* =========================================================
   九体育主站 · /assets/site.css
   共享层：reset / 变量 / 排版 / 头部 / 页脚 / 基础组件
   ========================================================= */

:root {
  --ink: #05130F;
  --moss: #0C2B22;
  --pitch: #1E4A3C;
  --cyan: #42F5D4;
  --amber: #F6B94A;
  --stone: #8FA39A;
  --bone: #F3EFE6;
  --clay: #C97B5A;
  --line: #2B4A40;

  --ink-rgb: 5, 19, 15;
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 48px);

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", SFMono-Regular, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --radius: 0;
}

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

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

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; }

html, body { min-height: 100%; }

/* ---------- 基础排版 ---------- */
body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.02em;
}

p { text-wrap: pretty; }

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

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

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

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

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  padding: 0.6rem 1.1rem;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border: 1px solid var(--amber);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 0.9rem;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.62em 1.05em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn--solid {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.btn--solid:hover {
  background: var(--amber);
  border-color: var(--amber);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--bone);
}

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

.btn--dark {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cyan);
  font-weight: 600;
}

.btn--dark:hover {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--amber);
}

.btn--line {
  background: transparent;
  border-color: rgba(5, 19, 15, 0.4);
  color: var(--ink);
}

.btn--line:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cyan);
}

/* =========================================================
   头部刊头
   ========================================================= */
.masthead {
  position: relative;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  z-index: 60;
}

.masthead__band {
  background: var(--moss);
  border-bottom: 1px solid var(--line);
}

.masthead__band-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.25rem;
  padding-block: 0.5rem;
}

.statusline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--bone);
  text-transform: uppercase;
}

.statusdot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(66, 245, 212, 0.18);
  flex: none;
}

[data-league="basketball"] .statusdot {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(246, 185, 74, 0.18);
}

.statusline__sep {
  color: var(--line);
}

.league-switch {
  display: flex;
  border: 1px solid var(--line);
  background: rgba(var(--ink-rgb), 0.55);
}

.league-switch__btn {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  padding: 0.42rem 1.05rem;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.league-switch__btn:last-child { border-right: 0; }

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

.league-switch__btn[aria-selected="true"] {
  background: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.masthead__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.9rem;
}

.round-readout {
  color: var(--amber);
  margin: 0;
  white-space: nowrap;
}

/* 报头行 */
.masthead__brandrow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding-block: clamp(0.9rem, 2vw, 1.4rem);
  border-bottom: 1px solid var(--line);
}

.masthead__meta {
  margin: 0;
  color: var(--stone);
}

.masthead__brandrow-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.9rem;
}

.brand {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--bone);
}

.brand__glyph {
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  flex: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.brand:hover .brand__glyph {
  background: var(--cyan);
  color: var(--ink);
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  letter-spacing: 0.05em;
  line-height: 1;
}

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

/* 移动栏目按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  appearance: none;
  -webkit-appearance: none;
  padding: 0.5rem 0.7rem;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.nav-toggle__bars {
  display: grid;
  gap: 3px;
  width: 18px;
}

.nav-toggle__bars i {
  display: block;
  height: 1px;
  background: var(--cyan);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

/* 栏目条 */
.primary-nav {
  position: relative;
  border-bottom: 1px solid var(--line);
}

.primary-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(0.6rem, 2vw, 2.1rem);
  padding: 0.8rem 0;
}

.primary-nav__list li { display: flex; }

.primary-nav__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid transparent;
  color: var(--bone);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.primary-nav__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

.primary-nav__list a[aria-current="page"] .primary-nav__idx { color: var(--amber); }

.primary-nav__idx {
  color: var(--stone);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.primary-nav__cta {
  position: absolute;
  right: var(--gutter);
  top: 50%;
  transform: translateY(-50%);
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  margin-top: clamp(2.5rem, 6vw, 5rem);
  background: var(--moss);
  border-top: 1px solid var(--line);
  color: var(--bone);
}

.footer-cta {
  background: var(--cyan);
  color: var(--ink);
}

.footer-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.5rem;
  padding-block: 0.95rem;
}

.footer-cta__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.2rem);
  letter-spacing: 0.02em;
  color: var(--ink);
}

.footer-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.footer-body {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.3fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(2rem, 5vw, 3.4rem);
}

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

.footer-title {
  margin: 0 0 0.9rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--line);
  color: var(--cyan);
  font-size: 11px;
  font-weight: 500;
}

.footer-brand__name {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--bone);
}

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

.footer-brand__note {
  margin-top: 0.85rem;
  max-width: 26ch;
  color: var(--stone);
  font-size: 14px;
  line-height: 1.75;
}

.footer-brand__meta {
  margin-top: 1rem;
  color: var(--pitch);
}

.footer-list { display: grid; gap: 0.55rem; }

.footer-list a {
  color: var(--bone);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

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

.footer-contact {
  display: grid;
  gap: 0.55rem;
  font-style: normal;
  font-size: 14px;
  color: var(--bone);
  line-height: 1.7;
}

.footer-contact a {
  text-decoration: none;
  color: var(--cyan);
  word-break: break-all;
}

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

.footer-contact__note {
  color: var(--stone);
  font-size: 13px;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 1rem;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--stone);
}

.footer-base__icp { color: var(--stone); margin: 0; }

/* =========================================================
   通用组件（页面阶段复用）
   ========================================================= */
.crumbs { margin-bottom: 1.4rem; }

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.crumbs li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--pitch);
}

.crumbs a {
  text-decoration: none;
  color: var(--stone);
}

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

.crumbs [aria-current="page"] { color: var(--amber); }

.prose { max-width: 68ch; }

.prose > * + * { margin-top: 1.1em; }

.prose h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-top: 1.8em;
  color: var(--bone);
}

.prose h3 {
  font-size: 1.25rem;
  margin-top: 1.6em;
  color: var(--cyan);
}

.prose p { color: rgba(243, 239, 230, 0.86); }

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

.prose ul, .prose ol {
  display: grid;
  gap: 0.5rem;
  padding-left: 1.2rem;
  list-style: none;
}

.prose ul li::before,
.prose ol li::before {
  content: "—";
  color: var(--amber);
  margin-right: 0.6rem;
}

.sec-head { display: grid; gap: 0.6rem; margin-bottom: 1.6rem; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.sec-head h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.grid {
  display: grid;
  gap: clamp(0.9rem, 2vw, 1.5rem);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.panel {
  background: var(--pitch);
  border: 1px solid var(--line);
  padding: clamp(1rem, 2.4vw, 1.5rem);
  color: var(--bone);
}

.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.6rem;
  margin-bottom: 0.9rem;
  border-bottom: 1px solid rgba(143, 163, 154, 0.28);
}

.panel__head h3 { font-size: 1.15rem; }

.data-list {
  display: grid;
  gap: 0.55rem;
}

.data-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed rgba(143, 163, 154, 0.25);
}

.data-list dt {
  color: var(--stone);
  font-size: 13px;
}

.data-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.16em 0.55em;
  border: 1px solid var(--line);
  background: rgba(var(--ink-rgb), 0.5);
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag--live { border-color: var(--cyan); color: var(--cyan); }
.tag--key { border-color: var(--amber); color: var(--amber); }
.tag--warn { border-color: var(--clay); color: var(--clay); }

/* 图片容器（页面阶段放置 img 或内联 SVG） */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 0;
  background: var(--pitch);
  border: 1px solid var(--line);
}

.media-frame > img,
.media-frame > svg,
.media-frame > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06) brightness(0.92);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(66, 245, 212, 0.12) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(66, 245, 212, 0.12) 1px, transparent 1px);
  background-size: 56px 56px;
  mix-blend-mode: screen;
  opacity: 0.5;
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 0.45rem 0.7rem;
  background: rgba(var(--ink-rgb), 0.82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  color: var(--stone);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* 滚动进度 */
.scroll-meter {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  background: rgba(66, 245, 212, 0.12);
  z-index: 120;
  pointer-events: none;
}

.scroll-meter__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

/* 滚动显现 */
html.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}

html.reveal-ready .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .masthead__band-inner { gap: 0.8rem; }
  .round-readout { display: none; }
  .footer-body { grid-template-columns: 1.4fr 1fr 1.2fr; }
  .footer-body .footer-col:last-child { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  body { font-size: 16px; }

  .masthead__band-inner {
    grid-template-columns: 1fr auto;
    row-gap: 0.55rem;
    padding-block: 0.6rem;
  }

  .masthead__actions { display: none; }
  .league-switch { grid-column: 2; grid-row: 1; }

  .masthead__brandrow {
    grid-template-columns: 1fr auto;
    padding-block: 0.85rem;
  }

  .masthead__meta { display: none; }
  .brand { justify-self: start; }
  .masthead__brandrow-end { gap: 0.5rem; }
  .masthead__meta--end { display: none; }
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    display: none;
    border-bottom: 1px solid var(--line);
    background: var(--moss);
  }

  .primary-nav[data-open="true"] { display: block; }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.3rem 0;
    max-width: var(--wrap);
  }

  .primary-nav__list a {
    width: 100%;
    padding: 0.85rem 0.2rem;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
    border-left: 2px solid transparent;
    padding-left: 0.7rem;
  }

  .primary-nav__list a:hover,
  .primary-nav__list a[aria-current="page"] {
    border-bottom-color: var(--line);
    border-left-color: var(--cyan);
    background: rgba(66, 245, 212, 0.05);
  }

  .primary-nav__cta {
    position: static;
    transform: none;
    margin: 0.85rem 0 1rem;
    display: flex;
    width: 100%;
  }

  .footer-body {
    grid-template-columns: 1fr 1fr;
    gap: 1.6rem;
  }

  .footer-body .footer-col:last-child { grid-column: auto; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand__note { max-width: none; }
}

@media (max-width: 560px) {
  .brand__glyph { width: 2rem; height: 2rem; font-size: 0.95rem; }
  .brand__name { font-size: 1.4rem; }

  .league-switch__btn { padding: 0.4rem 0.7rem; font-size: 11px; letter-spacing: 0.12em; }
  .statusline { font-size: 11px; letter-spacing: 0.08em; }

  .footer-body { grid-template-columns: 1fr; }
  .footer-cta__inner { flex-direction: column; align-items: flex-start; }
  .footer-cta__actions { width: 100%; }
  .footer-cta__actions .btn { flex: 1; }
  .footer-base { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   动效兼容
   ========================================================= */
@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;
  }

  html.reveal-ready .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .scroll-meter { display: none; }
}