/* ============================================================
   奇异果赛场 · green-pitch.com.cn
   共享样式表 /assets/site.css
   1. reset  2. 变量  3. 基座  4. 头部  5. 页脚
   6. 通用组件  7. 图片容器  8. 响应式  9. 无障碍
   ============================================================ */

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

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

body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd { 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; }
table { border-collapse: collapse; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink-050: #0B2318;
  --ink-000: #0E2A1E;
  --ink-100: #123B2A;
  --ink-200: #1B5240;
  --ink-300: #22644E;

  --kiwi: #7BBF3A;
  --kiwi-mid: #A6D75C;
  --kiwi-flesh: #C6E86B;
  --flesh: #EAF6D8;
  --signal: #FF6B35;
  --signal-soft: #FFB088;
  --muted: #8FA79B;

  --hair: rgba(123, 191, 58, 0.20);
  --hair-strong: rgba(123, 191, 58, 0.45);
  --hair-mute: rgba(143, 167, 155, 0.32);
  --hair-signal: rgba(255, 107, 53, 0.34);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;

  --fs-56: 56px;
  --fs-40: 40px;
  --fs-28: 28px;
  --fs-20: 20px;
  --fs-17: 17px;
  --fs-15: 15px;
  --fs-13: 13px;

  --cut: 18px;
  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 40px);
  --pill: 999px;
  --dur: 180ms;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- 3. 基座 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-000);
  background-image:
    radial-gradient(1200px 620px at 12% -10%, rgba(27, 82, 64, 0.55), transparent 62%),
    radial-gradient(900px 480px at 108% 8%, rgba(123, 191, 58, 0.10), transparent 58%);
  background-repeat: no-repeat;
  color: var(--flesh);
  font-family: var(--font-sans);
  font-size: var(--fs-17);
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { line-height: 1.2; font-weight: 400; }

:target { scroll-margin-top: 96px; }

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

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  z-index: 300;
  transform: translate(-50%, -130%);
  padding: 10px 24px;
  border-radius: 0 0 14px 14px;
  background: var(--kiwi);
  color: var(--ink-000);
  font-size: var(--fs-13);
  font-weight: 700;
  letter-spacing: 0.14em;
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus-visible {
  transform: translate(-50%, 0);
  outline: 2px solid var(--flesh);
  outline-offset: 2px;
}

/* 滚动进度 */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 300;
  pointer-events: none;
  background: transparent;
}
.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--kiwi), var(--kiwi-flesh));
  transition: width 120ms linear;
}

/* ---------- 4. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px var(--gutter);
  background: linear-gradient(180deg, rgba(14, 42, 30, 0.95), rgba(14, 42, 30, 0.72));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: padding var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header[data-scrolled] {
  padding: 6px var(--gutter);
  background: rgba(11, 35, 24, 0.97);
}

.capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: var(--wrap);
  margin-inline: auto;
  min-height: 64px;
  padding: 8px 12px 8px 20px;
  border-radius: var(--pill);
  background: rgba(18, 59, 42, 0.94);
  box-shadow: inset 0 0 0 1px var(--hair);
  transition: min-height var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header[data-scrolled] .capsule {
  min-height: 50px;
  box-shadow: inset 0 0 0 1px var(--hair-strong);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  min-width: 0;
}
.brand__seed {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--kiwi), var(--kiwi-flesh), var(--kiwi));
  box-shadow: 0 0 0 4px rgba(123, 191, 58, 0.14);
  transition: box-shadow var(--dur) var(--ease);
}
.brand:hover .brand__seed,
.brand:focus-visible .brand__seed { box-shadow: 0 0 0 7px rgba(123, 191, 58, 0.22); }
.brand__text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.brand__name {
  font-size: var(--fs-17);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.2;
  white-space: nowrap;
}
.brand__line {
  max-height: 18px;
  overflow: hidden;
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--muted);
  line-height: 1.3;
  white-space: nowrap;
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.site-header[data-scrolled] .brand__line { max-height: 0; opacity: 0; }

/* 导航 */
.site-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.site-nav__list { display: flex; align-items: center; gap: 2px; }
.site-nav__list a {
  position: relative;
  display: block;
  padding: 9px 14px;
  border-radius: var(--pill);
  font-size: var(--fs-15);
  letter-spacing: 0.05em;
  color: var(--muted);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-nav__list a:hover {
  color: var(--kiwi-flesh);
  background: rgba(123, 191, 58, 0.10);
}
.site-nav__list a:focus-visible {
  outline: 1px solid var(--kiwi);
  outline-offset: 2px;
  color: var(--kiwi-flesh);
}
.site-nav__list a[aria-current="page"] {
  background: var(--kiwi);
  color: var(--ink-000);
  font-weight: 600;
}
.site-nav__list a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 0;
  height: 0;
}
.site-nav__utility { display: none; }

/* 头部右侧元信息 */
.header-meta {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-meta__version {
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.10em;
  color: var(--muted);
  padding: 5px 10px;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px var(--hair-mute);
}
.header-meta__note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-radius: var(--pill);
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--signal-soft);
  background: rgba(255, 107, 53, 0.10);
  box-shadow: inset 0 0 0 1px var(--hair-signal);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.header-meta__note::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
}
.header-meta__note:hover { background: rgba(255, 107, 53, 0.22); color: #ffffff; }
.header-meta__note:focus-visible { outline: 1px solid var(--signal-soft); outline-offset: 2px; }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 15px;
  border-radius: var(--pill);
  color: var(--flesh);
  font-size: var(--fs-13);
  letter-spacing: 0.14em;
  box-shadow: inset 0 0 0 1px var(--hair-strong);
  transition: box-shadow var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { color: var(--kiwi-flesh); box-shadow: inset 0 0 0 1px var(--kiwi); }
.nav-toggle:focus-visible { outline: 1px solid var(--kiwi); outline-offset: 2px; }
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: var(--kiwi);
  transition: background var(--dur) var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--kiwi);
  transition: transform var(--dur) var(--ease);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

/* ---------- 5. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--ink-100);
  border-top: 1px solid var(--hair);
}

/* 补时条 */
.stoppage {
  padding: clamp(20px, 3vw, 32px) 0 clamp(16px, 2vw, 22px);
  background: var(--ink-050);
  border-bottom: 1px solid var(--hair);
}
.stoppage__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 var(--gutter) 14px;
}
.stoppage__hint {
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.stoppage__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px var(--gutter) 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}
.stoppage__viewport::-webkit-scrollbar { display: none; }
.stoppage__track {
  display: flex;
  gap: 12px;
  width: max-content;
  padding-bottom: 2px;
}
.stoppage__item {
  flex: 0 0 auto;
  width: min(266px, 74vw);
  padding: 14px 18px;
  background: var(--ink-100);
  box-shadow: inset 0 0 0 1px var(--hair-signal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.stoppage__item:hover {
  background: var(--ink-200);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 53, 0.6);
}
.stoppage__minute {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--signal);
}
.stoppage__text {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-13);
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.stoppage__railwrap {
  max-width: var(--wrap);
  margin: 16px auto 0;
  padding-inline: var(--gutter);
}
.stoppage__rail {
  position: relative;
  height: 2px;
  border-radius: 2px;
  background: rgba(255, 107, 53, 0.18);
}
.stoppage__thumb {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 24%;
  border-radius: 2px;
  background: var(--signal);
  transform: translateX(0);
  transition: width 120ms linear, transform 120ms linear;
}

/* 页脚主体 */
.footer-main {
  display: grid;
  grid-template-columns: 1.7fr repeat(4, 1fr);
  gap: clamp(24px, 3.2vw, 48px);
  padding-block: clamp(40px, 6vw, 76px);
}

.footer-brand__mark {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: conic-gradient(from 45deg, var(--kiwi), var(--kiwi-flesh), var(--kiwi));
  box-shadow: 0 0 0 4px rgba(123, 191, 58, 0.12);
}
.footer-brand__name {
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: 0.06em;
}
.footer-brand__desc {
  max-width: 34ch;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--muted);
}
.footer-brand__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.footer-col__title {
  margin-bottom: 16px;
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kiwi);
}
.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col__list li {
  font-size: var(--fs-15);
  line-height: 1.6;
  color: var(--muted);
}
.footer-col__list a {
  position: relative;
  display: inline-block;
  color: var(--flesh);
  transition: color var(--dur) var(--ease);
}
.footer-col__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 1px;
  background: var(--kiwi);
  transition: width var(--dur) var(--ease);
}
.footer-col__list a:hover { color: var(--kiwi-flesh); }
.footer-col__list a:hover::after { width: 100%; }
.footer-col__list a:focus-visible {
  outline: 1px solid var(--kiwi);
  outline-offset: 3px;
  color: var(--kiwi-flesh);
}
.footer-col__value {
  display: inline-block;
  max-width: 100%;
  color: var(--muted);
  word-break: break-word;
}

/* 页脚底栏 */
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  padding-block: 22px 34px;
  border-top: 1px solid var(--hair);
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.footer-bottom__legal { color: var(--muted); }
.footer-bottom__meta { font-family: var(--font-mono); letter-spacing: 0.08em; }
.footer-bottom__note { color: var(--signal-soft); }

/* ---------- 6. 通用组件 ---------- */
.section { padding-block: clamp(44px, 6vw, 92px); }
.section--tight { padding-block: clamp(26px, 3.6vw, 52px); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 32px;
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.prose {
  max-width: 34em;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--flesh);
}
.prose p + p { margin-top: 1.1em; }
.prose strong { color: var(--kiwi-flesh); font-weight: 600; }
.prose a {
  color: var(--kiwi-flesh);
  border-bottom: 1px solid var(--hair-strong);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.prose a:hover { color: #ffffff; border-bottom-color: var(--kiwi); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--kiwi);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--kiwi);
}

.title-xl {
  font-size: var(--fs-56);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -0.01em;
}
.title-lg {
  font-size: var(--fs-40);
  font-weight: 200;
  line-height: 1.12;
  letter-spacing: -0.005em;
}
.title-md {
  font-size: var(--fs-28);
  font-weight: 300;
  line-height: 1.28;
}
.title-hv {
  font-size: var(--fs-28);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.num--xl {
  display: inline-block;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 1;
  color: var(--kiwi-flesh);
}

.slash {
  height: 1px;
  border: 0;
  background: repeating-linear-gradient(90deg, var(--kiwi) 0 8px, transparent 8px 16px);
  opacity: 0.4;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--pill);
  font-size: var(--fs-15);
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--kiwi-flesh); outline-offset: 3px; }
.btn--primary { background: var(--kiwi); color: var(--ink-000); }
.btn--primary:hover { background: var(--kiwi-flesh); }
.btn--ghost {
  color: var(--flesh);
  box-shadow: inset 0 0 0 1px var(--hair-strong);
}
.btn--ghost:hover {
  color: var(--kiwi-flesh);
  background: rgba(123, 191, 58, 0.08);
  box-shadow: inset 0 0 0 1px var(--kiwi);
}
.btn--signal { background: var(--signal); color: #ffffff; }
.btn--signal:hover { background: var(--signal-soft); color: var(--ink-000); }

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: var(--fs-13);
  letter-spacing: 0.10em;
  white-space: nowrap;
  color: var(--muted);
  box-shadow: inset 0 0 0 1px var(--hair-mute);
}
.tag--kiwi { color: var(--kiwi-flesh); box-shadow: inset 0 0 0 1px rgba(198, 232, 107, 0.42); }
.tag--signal { color: var(--signal-soft); box-shadow: inset 0 0 0 1px var(--hair-signal); }
.tag--solid {
  background: var(--kiwi);
  color: var(--ink-000);
  font-weight: 600;
  box-shadow: none;
}

/* 切角面板 */
.panel {
  position: relative;
  padding: clamp(18px, 2.2vw, 28px);
  background: var(--ink-200);
  box-shadow: inset 0 0 0 1px var(--hair);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
}
.panel--flat { background: var(--ink-100); }
.panel--deep { background: var(--ink-300); }
.panel--signal { box-shadow: inset 0 0 0 1px var(--hair-signal); }

/* Bento 网格 */
.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
}
.bento__cell { grid-column: span 12; }

/* 时间轴 */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-left: 28px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--kiwi), rgba(123, 191, 58, 0.08));
}
.timeline__item {
  position: relative;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair);
}
.timeline__item:last-child { border-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-000);
  box-shadow: inset 0 0 0 1px var(--kiwi);
}
.timeline__item--current::before { background: var(--kiwi); }
.timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--kiwi-flesh);
}

/* 圆形索引卡 */
.orb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(136px, 1fr));
  gap: clamp(12px, 1.6vw, 20px);
}
.orb {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  aspect-ratio: 1 / 1;
  padding: 12px;
  border-radius: 50%;
  text-align: center;
  background: var(--ink-200);
  box-shadow: inset 0 0 0 1px var(--hair);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}
.orb:hover {
  transform: translateY(-4px);
  background: var(--ink-300);
  box-shadow: inset 0 0 0 1px var(--kiwi);
}
.orb:focus-visible { outline: 1px solid var(--kiwi); outline-offset: 3px; }
.orb__num {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  line-height: 1;
  color: var(--kiwi-flesh);
}
.orb__label {
  font-size: var(--fs-13);
  letter-spacing: 0.10em;
  color: var(--muted);
}

/* 声明块 */
.statement {
  padding: clamp(24px, 4vw, 48px) clamp(20px, 4vw, 56px);
  background: var(--ink-100);
  border-left: 3px solid var(--kiwi);
  font-size: var(--fs-20);
  font-weight: 300;
  line-height: 1.7;
}
.statement__source {
  margin-top: 16px;
  font-size: var(--fs-13);
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* 状态带 */
.status-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  padding: 12px 18px;
  background: var(--ink-100);
  box-shadow: inset 0 0 0 1px var(--hair);
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 对照表格 */
.cmp-table {
  width: 100%;
  font-size: var(--fs-15);
}
.cmp-table th,
.cmp-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hair);
}
.cmp-table thead th {
  font-size: var(--fs-13);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kiwi);
}
.cmp-table tbody tr { transition: background var(--dur) var(--ease); }
.cmp-table tbody tr:hover { background: rgba(123, 191, 58, 0.06); }
.cmp-table td.num {
  font-family: var(--font-mono);
  color: var(--kiwi-flesh);
  white-space: nowrap;
}

/* 折叠条目 */
.fold { border-bottom: 1px solid var(--hair); }
.fold__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 0;
  text-align: left;
  font-size: var(--fs-17);
  color: var(--flesh);
  transition: color var(--dur) var(--ease);
}
.fold__toggle:hover { color: var(--kiwi-flesh); }
.fold__toggle:focus-visible { outline: 1px solid var(--kiwi); outline-offset: 3px; }
.fold__mark {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 1px solid var(--kiwi);
  border-bottom: 1px solid var(--kiwi);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
.fold__toggle[aria-expanded="true"] .fold__mark { transform: rotate(-135deg); }
.fold__body {
  display: none;
  padding: 0 0 18px;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--muted);
}
.fold__body[data-open] { display: block; }

/* 文字回执 */
.readout {
  min-height: 1.5em;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--kiwi-mid);
}
.readout[data-state="signal"] { color: var(--signal-soft); }

/* 面包屑 */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-13);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.breadcrumbs__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs__item::after { content: "/"; color: rgba(143, 167, 155, 0.5); }
.breadcrumbs__item:last-child::after { content: ""; }
.breadcrumbs a:hover { color: var(--kiwi-flesh); }
.breadcrumbs [aria-current="page"] { color: var(--flesh); }

/* ---------- 7. 图片容器（页面阶段放置图片） ---------- */
.figure {
  position: relative;
  overflow: hidden;
  background: var(--ink-200);
  box-shadow: inset 0 0 0 1px var(--hair);
}
.figure__media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--ink-300);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(123, 191, 58, 0.10) 0 2px,
    transparent 2px 12px
  );
}
.figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.04);
}
.figure__caption {
  padding: 10px 14px;
  font-size: var(--fs-13);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.figure--wide .figure__media { aspect-ratio: 21 / 9; }
.figure--tall .figure__media { aspect-ratio: 3 / 4; }
.figure--circle .figure__media { aspect-ratio: 1 / 1; border-radius: 50%; }
.figure--circle { background: transparent; box-shadow: none; }
.figure--diag {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

/* ---------- 8. 响应式 ---------- */
@media (max-width: 1180px) and (min-width: 981px) {
  .site-nav__list a { padding: 8px 10px; font-size: var(--fs-13); }
  .header-meta__note { display: none; }
}

@media (max-width: 980px) {
  .site-header { padding: 10px var(--gutter); }
  .capsule {
    min-height: 56px;
    padding: 8px 10px 8px 16px;
    gap: 12px;
  }
  .header-meta { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 20;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 10px;
    background: var(--ink-100);
    box-shadow: inset 0 0 0 1px var(--hair-strong);
    clip-path: polygon(
      0 0,
      100% 0,
      100% calc(100% - 22px),
      calc(100% - 22px) 100%,
      0 100%
    );
  }
  .site-nav[data-open] { display: flex; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .site-nav__list a {
    padding: 13px 14px;
    border-radius: 8px;
    font-size: var(--fs-17);
  }
  .site-nav__utility {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 10px;
    padding: 14px 14px 6px;
    border-top: 1px solid var(--hair);
  }
  .site-nav__utility a {
    font-size: var(--fs-13);
    letter-spacing: 0.12em;
    color: var(--muted);
    transition: color var(--dur) var(--ease);
  }
  .site-nav__utility a:hover { color: var(--kiwi-flesh); }
  .site-nav__utility a:focus-visible { outline: 1px solid var(--kiwi); outline-offset: 2px; }

  .footer-main { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .brand__line { display: none; }
  .footer-main { grid-template-columns: 1fr; }
  .stoppage__item { width: min(232px, 78vw); }
  .bento { gap: 14px; }
}

@media (max-width: 640px) {
  :root {
    --fs-56: 34px;
    --fs-40: 26px;
    --fs-28: 21px;
    --fs-20: 17px;
    --fs-17: 15px;
    --fs-15: 14px;
    --fs-13: 12px;
    --cut: 14px;
  }
}

/* ---------- 9. 无障碍 ---------- */
:focus-visible {
  outline: 1px solid var(--kiwi);
  outline-offset: 2px;
}

@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;
  }
  .orb:hover { transform: none; }
  .scroll-progress__bar,
  .stoppage__thumb { transition: none; }
}