/* =========================================================
   奇异果体育 · 共享样式 /assets/site.css
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd, fieldset { margin: 0; }
ul, ol { padding: 0; 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; }
:where(h1, h2, h3, h4) { line-height: 1.22; font-weight: 800; letter-spacing: -0.01em; }
[hidden] { display: none !important; }

:root {
  --seed-900: #2E2118;
  --seed-600: #4C3A2B;
  --kiwi-500: #6FA83A;
  --kiwi-300: #9BCC64;
  --kiwi-800: #35611C;
  --citrus-400: #F5A623;
  --paper: #FBF8F1;
  --mist: #E8EFDD;
  --grid: #C7D3B4;
  --coral-500: #D9552B;

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

  --header-h: 72px;
  --header-h-slim: 56px;
  --shell-max: 1280px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --rule: 1px solid var(--grid);
}

body {
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--seed-900);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(199, 211, 180, 0.30) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 211, 180, 0.30) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: -1px -1px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:focus-visible {
  outline: 2px solid var(--kiwi-800);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--kiwi-300); color: var(--seed-900); }

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 300;
  padding: 11px 20px;
  background: var(--kiwi-800);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  border-radius: 2px;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 248, 241, 0.92);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  backdrop-filter: blur(12px) saturate(150%);
  border-bottom: 1px solid var(--grid);
  transition: box-shadow 0.24s var(--ease);
}
.site-header[data-scrolled="true"] {
  box-shadow: 0 14px 30px -26px rgba(46, 33, 24, 0.85);
}

.header-shell {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  transition: height 0.24s var(--ease);
}
.site-header[data-scrolled="true"] .header-shell { height: var(--header-h-slim); }

/* 品牌 */
.brand {
  grid-column: 1;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding-block: 6px;
}
.brand-mark {
  position: relative;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: conic-gradient(
    from 210deg,
    var(--kiwi-500), var(--kiwi-300), var(--kiwi-500) 52%,
    var(--kiwi-300) 78%, var(--kiwi-500)
  );
  box-shadow:
    inset 0 0 0 2px var(--seed-900),
    inset 0 0 0 5px rgba(155, 204, 100, 0.95);
  transition: width 0.24s var(--ease), height 0.24s var(--ease);
}
.brand-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--seed-900) 0 1.9px, transparent 2.3px),
    radial-gradient(circle at 30% 37%, var(--seed-900) 0 1.25px, transparent 1.7px),
    radial-gradient(circle at 70% 35%, var(--seed-900) 0 1.25px, transparent 1.7px),
    radial-gradient(circle at 33% 69%, var(--seed-900) 0 1.25px, transparent 1.7px),
    radial-gradient(circle at 68% 67%, var(--seed-900) 0 1.25px, transparent 1.7px);
}
.brand-name {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--seed-900);
  transform: skewX(-2deg);
  transition: font-size 0.24s var(--ease);
}
.site-header[data-scrolled="true"] .brand-mark { width: 22px; height: 22px; }
.site-header[data-scrolled="true"] .brand-name { font-size: 17px; }

/* 状态条 */
.header-status {
  grid-column: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding-left: 18px;
  border-left: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  line-height: 1.4;
  color: var(--seed-600);
}
.status-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--citrus-400);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.22);
  animation: statusPulse 2.6s var(--ease) infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.22); }
  50% { box-shadow: 0 0 0 6px rgba(245, 166, 35, 0); }
}

/* 主导航 */
.site-nav { grid-column: 3; justify-self: end; }
.nav-list { display: flex; align-items: center; gap: clamp(12px, 2.2vw, 28px); }
.nav-link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--seed-600);
  transition: color 0.18s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 18px;
  height: 2px;
  margin-left: -9px;
  background: var(--kiwi-500);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.22s var(--ease), background-color 0.18s var(--ease);
}
.nav-link:hover { color: var(--kiwi-800); }
.nav-link:hover::after { transform: scaleX(0.55); background: var(--kiwi-300); }
.nav-link[aria-current="page"] { color: var(--seed-900); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); background: var(--kiwi-500); }

/* 移动按钮 */
.nav-toggle {
  grid-column: 3;
  justify-self: end;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--grid);
  border-radius: 2px;
  background: var(--paper);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.nav-toggle:hover { border-color: var(--kiwi-500); background: var(--mist); }
.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--seed-900);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 阅读进度线 */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
  overflow: hidden;
}
.scroll-meter-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--kiwi-800), var(--kiwi-500));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.1s linear;
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 120px);
  background: var(--paper);
}

.footer-slice {
  position: relative;
  height: 72px;
  overflow: hidden;
  background: var(--paper);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.footer-slice::before {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  top: 26px;
  bottom: -40px;
  background: var(--mist);
  transform: skewY(-3deg);
  transform-origin: bottom center;
}
.footer-slice-note {
  position: relative;
  z-index: 1;
  padding: 0 var(--gutter) 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--seed-600);
  text-align: center;
}

.footer-body {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: clamp(28px, 4.4vw, 52px) var(--gutter) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.35fr);
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(26px, 3.6vw, 42px);
  border-bottom: 1px solid var(--grid);
}

.footer-col { min-width: 0; }
.brand--footer { margin-bottom: 14px; }
.footer-tagline {
  max-width: 24em;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--seed-600);
}
.footer-icp {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--seed-600);
}

.footer-heading {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1.4;
  color: var(--seed-600);
}
.footer-heading::before {
  content: "◦ ";
  color: var(--kiwi-500);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 18px;
}
.footer-links a {
  font-size: 14.5px;
  color: var(--seed-900);
  transition: color 0.18s var(--ease);
}
.footer-links a:hover {
  color: var(--kiwi-800);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: var(--kiwi-500);
}
.footer-links--sub {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--grid);
}
.footer-links--sub a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--seed-600);
}

.footer-contact li {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--seed-900);
  border-bottom: 1px dashed rgba(199, 211, 180, 0.9);
  word-break: break-word;
}
.footer-contact li:last-child { border-bottom: 0; }
.footer-key {
  flex: none;
  width: 44px;
  padding-top: 1px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--seed-600);
}
.footer-note {
  margin-top: 14px;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--seed-600);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding: 18px 0 clamp(26px, 4vw, 38px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--seed-600);
}

/* ---------- 容器与栅格 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.shell--narrow { max-width: 880px; }

.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 1.8vw, 24px);
}
.bento > * { min-width: 0; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

/* ---------- 文本工具 ---------- */
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }
.num { font-family: var(--font-mono); font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.num--hi { color: var(--citrus-400); }

.idx {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: var(--seed-600);
}
.idx::before { content: "◦"; color: var(--kiwi-500); font-size: 13px; }

.prose { max-width: 38em; font-size: 17px; line-height: 1.78; }
.prose > * + * { margin-top: 1.05em; }
.prose h2 { font-size: clamp(22px, 2.6vw, 32px); margin-top: 1.9em; }
.prose h3 { font-size: 20px; margin-top: 1.6em; }
.prose ul li { position: relative; padding-left: 18px; margin-top: 0.5em; }
.prose ul li::before {
  content: "◦";
  position: absolute;
  left: 0;
  color: var(--kiwi-500);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--seed-600);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: var(--grid); }
.breadcrumb a { transition: color 0.18s var(--ease); }
.breadcrumb a:hover { color: var(--kiwi-800); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-align: center;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease),
              border-color 0.18s var(--ease), transform 0.18s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--solid { background: var(--kiwi-800); color: #FFFFFF; }
.btn--solid:hover { background: var(--seed-900); }
.btn--ghost { background: transparent; border-color: var(--seed-900); color: var(--seed-900); }
.btn--ghost:hover { background: var(--seed-900); color: var(--paper); }
.btn--citrus { background: var(--citrus-400); color: var(--seed-900); }
.btn--citrus:hover { background: var(--kiwi-300); }

/* ---------- 筛选按钮 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 7px 14px;
  border: 1px solid var(--grid);
  border-radius: 2px;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--seed-600);
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.chip:hover { border-color: var(--kiwi-500); color: var(--seed-900); }
.chip[aria-pressed="true"] {
  background: var(--seed-900);
  border-color: var(--seed-900);
  color: var(--paper);
}
.chip[aria-pressed="true"]::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--citrus-400);
}

/* ---------- 卡片 ---------- */
.card {
  position: relative;
  padding: clamp(18px, 2vw, 26px);
  background: var(--paper);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--grid);
  border-radius: 2px;
  transition: transform 0.2s var(--ease), border-left-color 0.2s var(--ease),
              box-shadow 0.2s var(--ease);
}
.card:hover {
  transform: translateY(-2px);
  border-left-color: var(--kiwi-500);
  box-shadow: 0 16px 32px -26px rgba(46, 33, 24, 0.9);
}
.card--mist { background: var(--mist); border-color: var(--grid); border-left-color: var(--grid); }
.card--mist:hover { border-left-color: var(--kiwi-500); }
.card--dark {
  background: var(--seed-900);
  color: var(--paper);
  border-color: var(--seed-600);
  border-left-color: var(--kiwi-500);
}
.card--dark .idx { color: var(--kiwi-300); }

/* ---------- 斜切分隔带 ---------- */
.divider-slant {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 84px;
  overflow: hidden;
  background: var(--mist);
  clip-path: polygon(0 62%, 100% 0, 100% 100%, 0 100%);
}
.divider-slant > * {
  padding: 0 var(--gutter) 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: var(--seed-600);
  text-align: center;
}

/* ---------- 切面卡（每屏最多一个） ---------- */
.kipanel {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    repeating-conic-gradient(
      from 0deg at 50% 50%,
      rgba(155, 204, 100, 0.75) 0deg 1.6deg,
      rgba(155, 204, 100, 0) 1.6deg 9deg
    ),
    radial-gradient(circle at 50% 50%, var(--kiwi-300) 0 32%, var(--kiwi-500) 32% 100%);
  box-shadow:
    inset 0 0 0 3px var(--seed-900),
    inset 0 0 0 14px rgba(155, 204, 100, 0.9);
}
.kipanel-inner { position: relative; z-index: 1; text-align: center; }

/* ---------- 籽粒点阵 ---------- */
.dot-field {
  background-image: radial-gradient(var(--seed-600) 1.3px, transparent 1.6px);
  background-size: 14px 14px;
  opacity: 0.32;
}

/* ---------- 图片容器基础 ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--grid);
  border-radius: 2px;
  background:
    radial-gradient(circle at 50% 50%, rgba(111, 168, 58, 0.22), transparent 62%),
    var(--mist);
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s var(--ease);
}
.media:hover img { transform: scale(1.02); }
.media--cut { clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); }
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--round { aspect-ratio: 1 / 1; border-radius: 50%; }

/* ---------- 显现 ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}
.reveal-ready [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

/* ---------- 筛选隐藏 ---------- */
.is-hidden { display: none !important; }

/* ---------- 断点：平板 ---------- */
@media (max-width: 920px) {
  .header-shell {
    grid-template-columns: minmax(0, 1fr) auto;
    height: 60px;
    align-items: center;
  }
  .site-header[data-scrolled="true"] .header-shell { height: 56px; }
  .header-status { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    justify-self: stretch;
    padding: 8px var(--gutter) 22px;
    background: rgba(251, 248, 241, 0.99);
    border-top: 1px solid var(--grid);
    border-bottom: 1px solid var(--grid);
    box-shadow: 0 24px 36px -32px rgba(46, 33, 24, 0.95);
  }
  .site-nav[data-open] {
    display: block;
    animation: navDrop 0.22s var(--ease);
  }
  @keyframes navDrop {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: none; }
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list li { border-bottom: 1px solid rgba(199, 211, 180, 0.75); }
  .nav-list li:last-child { border-bottom: 0; }
  .nav-link { display: block; padding: 14px 2px; font-size: 16px; }
  .nav-link::after { left: 2px; margin-left: 0; bottom: 9px; width: 14px; }

  .span-3, .span-4, .span-5 { grid-column: span 6; }
  .span-6, .span-7, .span-8, .span-9 { grid-column: span 12; }

  .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-col--contact { grid-column: 1 / -1; }
}

/* ---------- 断点：手机 ---------- */
@media (max-width: 600px) {
  body { font-size: 16px; }
  .brand-name { font-size: 17px; }
  .brand-mark { width: 24px; height: 24px; }
  .bento > * { grid-column: span 12; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-col--contact { grid-column: auto; }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .footer-slice { height: 64px; }
  .footer-slice::before { top: 22px; }
  .divider-slant { height: 72px; }
  .prose { font-size: 16px; }
}

/* ---------- 减弱动效 ---------- */
@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;
  }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
  .status-dot { animation: none; }
  .media:hover img { transform: none; }
  .card:hover { transform: none; }
}