/* ==========================================================================
   奇异果体育 · 共享站点样式 /assets/site.css
   果籽墨黑 × 奇异果鲜绿 × 活力橙 · 编辑部报头式外壳
   ========================================================================== */

:root {
  /* 色彩 */
  --seed-black: #0B0E0B;
  --forest: #142117;
  --kiwi: #8ED14A;
  --flesh: #C8F08B;
  --vein: #2E5B2A;
  --orange: #FF7A1A;
  --amber: #FFB45C;
  --paper: #F5F7EC;
  --mist: #D8E2CC;
  --ink: #111711;

  /* 字体 */
  --f-display: "MiSans ExtraBold", "HarmonyOS Sans SC Black", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", system-ui, sans-serif;
  --f-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* 度量 */
  --gutter: clamp(18px, 4vw, 56px);
  --page-max: 1320px;
  --header-h: 64px;
  --cut: 32px;
  --line: 1px solid rgba(142, 209, 74, 0.18);
}

@media (min-width: 1024px) {
  :root { --header-h: 104px; }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

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

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

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

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

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

/* ---------- 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--seed-black);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:where(h1, h2, h3, h4) {
  font-family: var(--f-display);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

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

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

/* 固定报头占位，页面可用更高优先级覆盖 */
:where(#main-content) {
  padding-top: var(--header-h);
}

body.is-nav-open {
  overflow: hidden;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 16px;
  background: var(--kiwi);
  color: var(--seed-black);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform 0.18s ease;
}

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

/* ---------- 报头 ---------- */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  color: var(--paper);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, backdrop-filter 0.22s ease;
}

.site-header[data-pinned="true"] {
  background-color: rgba(11, 14, 11, 0.97);
  border-bottom-color: rgba(142, 209, 74, 0.22);
  box-shadow: 0 22px 44px -34px rgba(0, 0, 0, 0.95);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.site-header__progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--kiwi), var(--flesh) 70%, var(--orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--header-h);
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

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

.brand__mark {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 2px 9px 2px 9px;
  transform: rotate(-6deg);
  background-color: var(--kiwi);
  background-image:
    radial-gradient(circle at 6px 6px, var(--seed-black) 1.5px, transparent 1.7px),
    radial-gradient(circle at 17px 8px, var(--seed-black) 1.4px, transparent 1.6px),
    radial-gradient(circle at 9px 17px, var(--seed-black) 1.4px, transparent 1.6px),
    radial-gradient(circle at 19px 19px, var(--seed-black) 1.5px, transparent 1.7px);
  box-shadow: inset 0 0 0 1px rgba(11, 14, 11, 0.2);
}

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

.brand__name {
  font-family: var(--f-display);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand__desc {
  margin-top: 2px;
  font-family: var(--f-mono);
  font-size: 10.5px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: rgba(245, 247, 236, 0.55);
  white-space: nowrap;
}

.version-badge {
  flex: none;
  padding: 3px 7px;
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: var(--kiwi);
  border: 1px solid rgba(142, 209, 74, 0.5);
  border-radius: 2px;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn--compact {
  padding: 10px 14px;
  font-size: 13px;
}

.btn--primary {
  background: var(--kiwi);
  color: var(--seed-black);
}
.btn--primary:hover { background: var(--flesh); }

.btn--ghost {
  color: var(--paper);
  background: rgba(245, 247, 236, 0.04);
  border-color: rgba(245, 247, 236, 0.28);
}
.btn--ghost:hover {
  color: var(--kiwi);
  border-color: var(--kiwi);
}

.btn--accent {
  background: var(--orange);
  color: var(--seed-black);
}
.btn--accent:hover { background: var(--amber); }

.btn--quiet {
  color: var(--ink);
  background: transparent;
  border-color: var(--mist);
}
.btn--quiet:hover {
  color: var(--vein);
  border-color: var(--vein);
}

.btn__arrow {
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1;
  transition: transform 0.18s ease;
}
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- 移动菜单按钮 ---------- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  color: var(--paper);
  background: rgba(245, 247, 236, 0.04);
  border: 1px solid rgba(245, 247, 236, 0.28);
  border-radius: 2px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.site-header[data-open="true"] .nav-toggle__bars span:first-child {
  transform: translateY(3px) rotate(45deg);
}
.site-header[data-open="true"] .nav-toggle__bars span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}
.site-header[data-open="true"] .nav-toggle {
  color: var(--kiwi);
  border-color: var(--kiwi);
}

/* ---------- 导航 ---------- */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
  flex-wrap: nowrap;
  overflow-x: auto;
  counter-reset: navidx;
  scrollbar-width: none;
}
.site-nav::-webkit-scrollbar { display: none; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 0;
  color: rgba(245, 247, 236, 0.7);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
  transition: color 0.18s ease;
}

.site-nav__link::before {
  counter-increment: navidx;
  content: counter(navidx, decimal-leading-zero);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--vein);
  transition: color 0.18s ease;
}

.site-nav__link:hover { color: var(--flesh); }
.site-nav__link:hover::before { color: var(--kiwi); }

.site-nav__link[aria-current="page"] {
  color: var(--kiwi);
  font-weight: 600;
}
.site-nav__link[aria-current="page"]::before { color: var(--kiwi); }
.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--orange);
}

@media (min-width: 1024px) {
  .site-header__nav {
    max-width: var(--page-max);
    margin: 0 auto;
    padding: 0 var(--gutter);
    border-top: 1px solid rgba(245, 247, 236, 0.13);
  }
}

@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }

  .site-header__nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    left: 0;
    max-width: none;
    padding: 10px var(--gutter) 140px;
    background: var(--seed-black);
    border-top: 1px solid rgba(142, 209, 74, 0.22);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0.2s;
  }

  .site-header[data-open="true"] .site-header__nav {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s linear 0s;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
  }

  .site-nav__link {
    padding: 18px 0;
    font-size: 19px;
    color: var(--paper);
    border-bottom: 1px solid rgba(142, 209, 74, 0.14);
  }

  .site-nav__link::before { font-size: 11px; }

  .site-nav__link[aria-current="page"] { color: var(--kiwi); }
  .site-nav__link[aria-current="page"]::after { display: none; }
}

@media (max-width: 719px) {
  .site-header__actions .btn--ghost { display: none; }
}

@media (max-width: 479px) {
  .site-header__actions { display: none; }
  .brand__desc { display: none; }
}

/* ---------- 移动端底部快捷栏 ---------- */
@media (max-width: 1023px) {
  body { padding-bottom: 64px; }
}

.quick-bar { display: none; }

@media (max-width: 1023px) {
  .quick-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 95;
    background: rgba(20, 33, 23, 0.97);
    border-top: 1px solid rgba(142, 209, 74, 0.26);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
  }
}

.quick-bar__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 9px 4px 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 236, 0.62);
  transition: color 0.18s ease;
}

.quick-bar__link::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.55;
  transition: opacity 0.18s ease;
}

.quick-bar__link:hover { color: var(--flesh); }

.quick-bar__link[aria-current="page"] { color: var(--kiwi); }
.quick-bar__link[aria-current="page"]::before {
  background: var(--orange);
  opacity: 1;
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  background-color: var(--forest);
  color: var(--paper);
  border-top: 1px solid rgba(142, 209, 74, 0.22);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(142, 209, 74, 0.18) 1px, transparent 1.2px);
  background-size: 22px 22px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 62%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 62%);
}

.site-footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) var(--gutter) clamp(28px, 4vw, 44px);
}

@media (min-width: 860px) and (max-width: 1099px) {
  .site-footer__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .site-footer__masthead { grid-column: 1 / -1; }
}

@media (min-width: 1100px) {
  .site-footer__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.5fr) minmax(0, 0.85fr);
  }
}

.site-footer__brand {
  font-family: var(--f-display);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.site-footer__tagline {
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--kiwi);
}

.site-footer__desc {
  max-width: 34ch;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 247, 236, 0.62);
}

.site-footer__nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 24px 20px;
  align-content: start;
}

.site-footer__col-title {
  margin-bottom: 12px;
  padding-bottom: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--kiwi);
  border-bottom: 1px solid rgba(142, 209, 74, 0.22);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.site-footer__link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(245, 247, 236, 0.72);
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.site-footer__link:hover {
  color: var(--flesh);
  padding-left: 4px;
}

.site-footer__link[aria-current="page"] { color: var(--kiwi); }

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-content: start;
}

.site-footer__contact-item {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 247, 236, 0.78);
  word-break: break-word;
}

.site-footer__note {
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: rgba(245, 247, 236, 0.46);
}

.site-footer__base {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(142, 209, 74, 0.18);
}

.site-footer__base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 16px var(--gutter) 22px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(245, 247, 236, 0.55);
}

/* ---------- 通用容器与分区 ---------- */
.shell {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--narrow { max-width: 880px; }

.section { padding-block: clamp(48px, 8vw, 104px); }

.section--seed { background-color: var(--seed-black); color: var(--paper); }
.section--forest { background-color: var(--forest); color: var(--paper); }

.section--paper {
  background-color: var(--paper);
  color: var(--ink);
}

.section--cut {
  -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), 0 100%);
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .grid--editorial {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 面包屑与小标签 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(245, 247, 236, 0.6);
}

.breadcrumb a {
  color: inherit;
  transition: color 0.18s ease;
}

.breadcrumb a:hover { color: var(--kiwi); }

.breadcrumb__sep { color: var(--vein); }

.mono-label {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--kiwi);
}

/* ---------- 正文 ---------- */
.prose {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink);
}

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

.prose :where(h2, h3) {
  margin-top: 1.9em;
  color: var(--ink);
}

.prose :where(h2) { font-size: clamp(24px, 3vw, 34px); }
.prose :where(h3) { font-size: clamp(19px, 2.2vw, 24px); }

.prose :where(ul, ol) {
  padding-left: 1.2em;
  list-style: disc;
}

.prose :where(ol) { list-style: decimal; }
.prose :where(li + li) { margin-top: 0.4em; }

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

.prose :where(blockquote) {
  padding-left: 18px;
  border-left: 2px solid var(--kiwi);
  font-style: italic;
  color: var(--vein);
}

.prose :where(code) {
  font-family: var(--f-mono);
  font-size: 0.9em;
  padding: 1px 5px;
  background: var(--mist);
  border-radius: 2px;
}

/* ---------- 图片容器 ---------- */
.figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background-color: var(--forest);
  border: 1px solid rgba(142, 209, 74, 0.18);
  border-radius: 2px;
}

.figure__media {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--forest);
  background-image:
    radial-gradient(circle at 22% 28%, rgba(142, 209, 74, 0.24), transparent 58%),
    radial-gradient(circle at 78% 76%, rgba(255, 122, 26, 0.14), transparent 55%),
    radial-gradient(circle, rgba(142, 209, 74, 0.26) 1px, transparent 1.2px);
  background-size: auto, auto, 18px 18px;
}

.figure--wide .figure__media { aspect-ratio: 21 / 9; }
.figure--tall .figure__media { aspect-ratio: 3 / 4; }
.figure--square .figure__media { aspect-ratio: 1 / 1; }

.figure__caption {
  padding: 10px 14px;
  font-family: var(--f-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: rgba(245, 247, 236, 0.62);
  border-top: 1px solid rgba(142, 209, 74, 0.16);
}

/* ---------- 侧边浮动索引 ---------- */
.rail {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  border-left: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.rail__link:hover { color: var(--flesh); }

.rail__link[aria-current] {
  color: var(--orange);
  border-left-color: var(--orange);
}

/* ---------- 入场显现 ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-ready [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 降级动效 ---------- */
@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;
    scroll-behavior: auto !important;
  }

  .reveal-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .btn:hover .btn__arrow { transform: none; }
  .site-footer__link:hover { padding-left: 0; }
}