/* ==========================================================================
   friendly-weide.com.cn — 共享站点样式
   路径：/assets/site.css
   负责：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件 / 网格 / 图片容器
   ========================================================================== */

/* ---------- 1. 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 { margin: 0; }

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

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

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

button { background: none; border: 0; cursor: pointer; }

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

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

time { font-variant-numeric: tabular-nums; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --bg:          #0B1F1A;
  --bg-deep:     #081712;
  --panel:       #12312A;
  --line:        #1E4038;

  --mint:        #35F5C8;
  --mint-soft:   #8DF7E0;
  --amber:       #FFA23A;
  --amber-deep:  #C97A18;

  --ink:         #E9F6F1;
  --ink-dim:     #9DB5AE;

  --paper:       #F3FBF8;
  --paper-ink:   #0B1F1A;

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

  --radius:      4px;
  --radius-sm:   2px;
  --shell:       1320px;
  --gutter:      20px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 560px at 6% -12%, rgba(53, 245, 200, .10), transparent 62%),
    radial-gradient(880px 460px at 104% 2%, rgba(255, 162, 58, .055), transparent 58%),
    linear-gradient(rgba(53, 245, 200, .024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 245, 200, .024) 1px, transparent 1px);
  background-size: auto, auto, 72px 72px, 72px 72px;
  background-repeat: no-repeat, no-repeat, repeat, repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

#main-content {
  flex: 1 1 auto;
  min-width: 0;
}

::selection {
  background: rgba(53, 245, 200, .3);
  color: #ffffff;
}

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

/* ---------- 4. 排版工具 ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: .01em;
  color: var(--ink);
}

.display--sm {
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  letter-spacing: .015em;
}

.num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -.01em;
}

.label {
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink-dim);
}

.lead {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ink);
}

.muted { color: var(--ink-dim); }
.accent { color: var(--mint); }
.accent-amber { color: var(--amber); }

/* ---------- 5. 布局 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--narrow { max-width: 46rem; }

.section { padding-block: clamp(40px, 6vw, 72px); }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: start; }
.grid--split-rev { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }

/* ---------- 6. 面板与标题 ---------- */
.panel {
  background: linear-gradient(180deg, rgba(18, 49, 42, .88), rgba(18, 49, 42, .45));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: inset 0 1px 0 rgba(141, 247, 224, .06);
}

.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.panel__title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
}

.panel__meta {
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink-dim);
}

.section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding-bottom: 10px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.section-head__title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}

.section-head__meta {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--ink-dim);
}

.divider {
  height: 1px;
  border: 0;
  background: var(--line);
  margin-block: 32px;
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(53, 245, 200, .06);
  color: var(--ink);
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .05em;
  line-height: 1.3;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.btn:hover {
  border-color: var(--mint);
  background: rgba(53, 245, 200, .14);
  color: var(--mint);
}

.btn--accent {
  background: var(--mint);
  border-color: var(--mint);
  color: #06231C;
  font-weight: 700;
}

.btn--accent:hover {
  background: var(--mint-soft);
  border-color: var(--mint-soft);
  color: #06231C;
}

.btn--ghost {
  background: transparent;
  color: var(--ink-dim);
}

.btn--ghost:hover {
  background: rgba(141, 247, 224, .06);
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- 8. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  padding-block: 14px;
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--ink-dim);
}

.crumbs li { display: inline-flex; align-items: center; }

.crumbs li + li::before {
  content: "/";
  margin-inline: 10px;
  color: var(--line);
}

.crumbs a { color: var(--ink-dim); transition: color .16s var(--ease); }
.crumbs a:hover { color: var(--mint); }
.crumbs [aria-current="page"] { color: var(--ink); }

/* ---------- 9. 图片容器（供页面阶段放置占位） ---------- */
.media-figure { margin: 0; display: block; }

.media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(53, 245, 200, .10), transparent 58%),
    linear-gradient(160deg, #103028, #0B1F1A 72%);
}

.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.62) contrast(1.06) brightness(.86);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background-image:
    linear-gradient(to right, rgba(53, 245, 200, .10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(53, 245, 200, .10) 1px, transparent 1px);
  background-size: 32px 32px;
}

.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media--square { aspect-ratio: 1 / 1; }

.media__caption {
  margin-top: 8px;
  font-size: .76rem;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--ink-dim);
}

/* ---------- 10. 站点头部 ---------- */
[data-header] { --header-h: 60px; }
[data-header].is-condensed { --header-h: 50px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(11, 31, 26, .9);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--mint), var(--amber));
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  opacity: .85;
  pointer-events: none;
}

.site-header__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
  transition: height .2s var(--ease);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  background: var(--mint);
  color: #06231C;
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: .06em;
  transform: translateY(-200%);
  transition: transform .18s var(--ease);
}

.skip-link:focus { transform: translateY(0); }

/* 品牌署名 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  min-width: 0;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border: 1px solid var(--mint);
  border-radius: var(--radius-sm);
  background: rgba(53, 245, 200, .08);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .02em;
}

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

.brand__name {
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: .05em;
  color: var(--ink);
  white-space: nowrap;
}

.brand__line {
  font-size: .66rem;
  line-height: 1.3;
  letter-spacing: .1em;
  color: var(--ink-dim);
  white-space: nowrap;
}

[data-header].is-condensed .brand__line { display: none; }

/* 主导航 */
.site-nav { display: flex; align-items: center; min-width: 0; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__item { display: block; }

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  font-size: .84rem;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--ink-dim);
  white-space: nowrap;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  bottom: 3px;
  height: 2px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .18s var(--ease);
}

.site-nav__link:hover {
  color: var(--ink);
  background: rgba(141, 247, 224, .05);
}

.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__link[aria-current="page"] { color: var(--mint); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* 右侧命令区 */
.site-header__aside {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.seg {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 23, 18, .55);
}

.seg__btn {
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink-dim);
  white-space: nowrap;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.seg__btn:hover { color: var(--ink); }

.seg__btn[aria-selected="true"] {
  background: var(--mint);
  color: #06231C;
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid rgba(255, 162, 58, .35);
  border-radius: 999px;
  background: rgba(255, 162, 58, .07);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--amber);
  white-space: nowrap;
}

.status-pill__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--amber);
  animation: status-pulse 2.4s var(--ease) infinite;
}

@keyframes status-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 162, 58, .55); }
  70%  { box-shadow: 0 0 0 7px rgba(255, 162, 58, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 162, 58, 0); }
}

.status-pill__text { color: var(--amber); }

.status-pill__time {
  font-size: .74rem;
  color: var(--ink);
}

/* 移动索引按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(53, 245, 200, .05);
  color: var(--ink);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .1em;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--mint);
  color: var(--mint);
  background: rgba(53, 245, 200, .12);
}

.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 11px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform .18s var(--ease), top .18s var(--ease), bottom .18s var(--ease);
}

.nav-toggle__bars::before { top: 1px; }
.nav-toggle__bars::after { bottom: 1px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 4.75px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  bottom: 4.75px;
  transform: rotate(-45deg);
}

.nav-toggle__label { display: inline-block; }

/* ---------- 11. 站点页脚 ---------- */
.site-footer {
  margin-top: auto;
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 49, 42, .58), var(--bg-deep) 72%);
  color: var(--ink);
}

.site-footer__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 48px var(--gutter) 40px;
}

.site-footer__mast {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(0, 2.4fr);
  gap: 32px 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
}

.site-footer__brandwrap { min-width: 0; }

.brand--footer .brand__name { font-size: 1.2rem; }

.brand--footer .brand__line {
  font-size: .7rem;
  letter-spacing: .12em;
}

.site-footer__domain {
  margin-top: 14px;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-dim);
  word-break: break-all;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 24px;
}

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

.footer-block__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--mint);
}

.footer-block__title::before {
  content: "";
  width: 12px;
  height: 1px;
  flex: 0 0 auto;
  background: var(--mint);
}

.footer-block__list li + li { margin-top: 8px; }

.footer-block__list a {
  font-size: .86rem;
  color: var(--ink-dim);
  transition: color .16s var(--ease);
}

.footer-block__list a:hover { color: var(--mint); }

.footer-block__note {
  margin-top: 14px;
  font-size: .74rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ink-dim);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(53, 245, 200, .03);
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--ink-dim);
}

.contact-list {
  display: grid;
  gap: 9px;
  font-size: .82rem;
}

.contact-list__row { display: block; }

.contact-list dt {
  font-size: .68rem;
  letter-spacing: .1em;
  color: rgba(157, 181, 174, .7);
}

.contact-list dd {
  color: var(--ink);
  line-height: 1.55;
  word-break: break-word;
}

.contact-list dd.num { font-size: .78rem; color: var(--mint-soft); }

/* 裁判名单滚动带 */
.referee-band {
  position: relative;
  overflow: hidden;
  padding-block: 11px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 23, 18, .82);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.referee-band__track {
  display: flex;
  width: max-content;
  animation: referee-scroll 60s linear infinite;
}

.referee-band:hover .referee-band__track { animation-play-state: paused; }

@keyframes referee-scroll {
  to { transform: translateX(-50%); }
}

.referee-band__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: 44px;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--ink-dim);
  white-space: nowrap;
}

.referee-band__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.referee-band__name { color: var(--ink-dim); }

.site-footer__base {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 20px var(--gutter) 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--ink-dim);
}

.site-footer__legal {
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink-dim);
}

.site-footer__copy { margin-left: auto; }

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1080px) {
  [data-header],
  [data-header].is-condensed { --header-h: 54px; }

  .site-header__inner { gap: 12px; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: block;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 10px var(--gutter) 24px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s linear;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

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

  .site-nav__link {
    display: block;
    padding: 13px 10px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-size: .95rem;
  }

  .site-nav__link::after { display: none; }

  .site-nav__link:hover { background: rgba(141, 247, 224, .05); }

  .site-nav__link[aria-current="page"] {
    background: rgba(53, 245, 200, .08);
    box-shadow: inset 2px 0 0 var(--mint);
  }

  .nav-toggle { display: inline-flex; }

  .status-pill { display: none; }

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

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .grid--split,
  .grid--split-rev { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 720px) {
  :root { --gutter: 16px; }

  .site-header__aside { display: none; }

  .site-footer__inner { padding-top: 36px; padding-bottom: 30px; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }

  .site-footer__base {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .site-footer__copy { margin-left: 0; }

  .referee-band__item { margin-right: 30px; }
}

@media (max-width: 480px) {
  .brand__line { display: none; }
  .nav-toggle__label { display: none; }
  .display { font-size: clamp(1.8rem, 8vw, 2.4rem); }
}

/* ---------- 13. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0ms !important;
  }

  .referee-band__track {
    animation: none !important;
    transform: none !important;
  }

  .status-pill__dot { animation: none !important; }
}