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

:root {
  --kiwi-ink: #0A2A23;
  --kiwi-ink-2: #123B31;
  --kiwi-ink-3: #17483B;
  --kiwi-green: #21C77A;
  --kiwi-flesh: #8FE36B;
  --kiwi-yellow: #FFC94A;
  --kiwi-cyan: #3DF5D0;
  --kiwi-alert: #FF5A3C;
  --kiwi-cream: #F7FBF2;
  --kiwi-mute: #6B867B;

  --glass: rgba(247, 251, 242, 0.14);
  --glass-soft: rgba(247, 251, 242, 0.06);
  --hair: rgba(143, 227, 107, 0.18);
  --hair-cyan: rgba(61, 245, 208, 0.24);

  --rail-w: 72px;
  --bar-h: 60px;
  --gutter: clamp(18px, 4vw, 56px);
  --measure: 1180px;

  --font-display: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", system-ui, sans-serif;
  --font-num: "DIN Alternate", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 28px;
  --r-pill: 999px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.28s;
}

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

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

body {
  margin: 0;
  padding-left: var(--rail-w);
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--kiwi-cream);
  background-color: var(--kiwi-ink);
  background-image:
    radial-gradient(1100px 640px at 84% -6%, rgba(33, 199, 122, 0.16), transparent 62%),
    radial-gradient(820px 560px at 4% 14%, rgba(255, 201, 74, 0.09), transparent 64%),
    radial-gradient(900px 700px at 60% 104%, rgba(61, 245, 208, 0.07), transparent 66%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

p { margin: 0; }

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

:focus-visible {
  outline: 2px solid var(--kiwi-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 跳至主内容 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 50%;
  z-index: 200;
  padding: 12px 24px;
  border-radius: var(--r-pill);
  background: var(--kiwi-yellow);
  color: var(--kiwi-ink);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transform: translate(-50%, -180%);
  transition: transform 0.26s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translate(-50%, 0);
  outline-offset: 4px;
}

/* ---------- 顶部阅读进度 ---------- */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: 3px;
  background: rgba(10, 42, 35, 0.7);
  pointer-events: none;
}

.read-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--kiwi-cyan) 0%, var(--kiwi-green) 38%, var(--kiwi-flesh) 66%, var(--kiwi-yellow) 100%);
  box-shadow: 0 0 14px rgba(61, 245, 208, 0.45);
  will-change: transform;
}

/* ---------- 移动端品牌条 ---------- */
.mobilebar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  height: var(--bar-h);
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 14px 0 16px;
  background: rgba(10, 42, 35, 0.9);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  backdrop-filter: blur(16px) saturate(130%);
  border-bottom: 1px solid var(--hair-cyan);
}

.mobilebar__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.mobilebar__mark {
  width: 16px;
  height: 24px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 28%, var(--kiwi-flesh) 0%, var(--kiwi-green) 52%, var(--kiwi-ink-2) 100%);
  box-shadow: 0 0 14px rgba(33, 199, 122, 0.55);
}

.mobilebar__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--kiwi-cream);
  white-space: nowrap;
}

.navtoggle {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid var(--hair-cyan);
  background: var(--glass-soft);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.navtoggle:hover {
  background: rgba(61, 245, 208, 0.12);
  border-color: var(--kiwi-cyan);
}

.navtoggle__bars {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--kiwi-cream);
  transition: background 0.2s var(--ease);
}

.navtoggle__bars::before,
.navtoggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--kiwi-cream);
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}

.navtoggle__bars::before { top: -6px; }
.navtoggle__bars::after { top: 6px; }

.site-header[data-open="true"] .navtoggle {
  border-color: var(--kiwi-yellow);
}

.site-header[data-open="true"] .navtoggle__bars { background: transparent; }
.site-header[data-open="true"] .navtoggle__bars::before {
  top: 0;
  transform: rotate(45deg);
  background: var(--kiwi-yellow);
}
.site-header[data-open="true"] .navtoggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
  background: var(--kiwi-yellow);
}

/* ---------- 侧边轨道 ---------- */
.rail {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 60;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 0 22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(10, 42, 35, 0.98) 0%, rgba(18, 59, 49, 0.98) 48%, rgba(10, 42, 35, 0.98) 100%);
  border-right: 1px solid var(--hair-cyan);
}

.rail::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, var(--kiwi-green) 22%, var(--kiwi-yellow) 68%, transparent);
  opacity: 0.4;
}

.rail__brand {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
  width: 100%;
}

.rail__seed {
  position: relative;
  width: 26px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 26%, var(--kiwi-flesh) 0%, var(--kiwi-green) 48%, var(--kiwi-ink-2) 100%);
  box-shadow: 0 0 0 3px rgba(33, 199, 122, 0.13), 0 0 22px rgba(33, 199, 122, 0.5);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.rail__seed::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 16%, rgba(10, 42, 35, 0.9) 0 1.6px, transparent 2.2px),
    radial-gradient(circle at 50% 34%, rgba(10, 42, 35, 0.9) 0 1.6px, transparent 2.2px),
    radial-gradient(circle at 50% 52%, rgba(10, 42, 35, 0.9) 0 1.6px, transparent 2.2px),
    radial-gradient(circle at 50% 70%, rgba(10, 42, 35, 0.9) 0 1.6px, transparent 2.2px),
    radial-gradient(circle at 50% 86%, rgba(10, 42, 35, 0.75) 0 1.4px, transparent 2px);
}

.rail__brand:hover .rail__seed {
  transform: scale(1.08) rotate(6deg);
  box-shadow: 0 0 0 4px rgba(61, 245, 208, 0.16), 0 0 28px rgba(61, 245, 208, 0.55);
}

.rail__word {
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.3em;
  color: rgba(247, 251, 242, 0.6);
  transition: color var(--dur) var(--ease);
}

.rail__brand:hover .rail__word { color: var(--kiwi-flesh); }

.rail__nav {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
}

.rail__nav::-webkit-scrollbar { display: none; }

.rail__list {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 0;
}

.rail__list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  margin-left: -0.5px;
  background: linear-gradient(180deg, transparent, rgba(33, 199, 122, 0.5) 18%, rgba(255, 201, 74, 0.4) 76%, transparent);
  z-index: 0;
}

.rail__link {
  position: relative;
  z-index: 1;
  display: block;
  writing-mode: vertical-rl;
  padding: 9px 7px;
  border-radius: var(--r-pill);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(247, 251, 242, 0.62);
  background: rgba(10, 42, 35, 0.72);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.rail__link:hover {
  color: var(--kiwi-cream);
  background: rgba(61, 245, 208, 0.14);
  box-shadow: 0 0 0 1px rgba(61, 245, 208, 0.32);
}

.rail__link[aria-current="page"] {
  color: var(--kiwi-ink);
  background: linear-gradient(180deg, var(--kiwi-yellow) 0%, var(--kiwi-flesh) 56%, var(--kiwi-green) 100%);
  box-shadow: 0 0 0 1px rgba(255, 201, 74, 0.55), 0 10px 26px -14px rgba(255, 201, 74, 0.95);
}

.rail__quick {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
}

.seed {
  display: grid;
  place-items: center;
  width: 34px;
  height: 44px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--kiwi-ink);
  background: radial-gradient(circle at 50% 24%, var(--kiwi-flesh) 0%, var(--kiwi-green) 72%, var(--kiwi-ink-3) 100%);
  box-shadow: 0 6px 18px -10px rgba(33, 199, 122, 0.9);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.seed:hover {
  transform: scale(1.09);
  box-shadow: 0 0 0 3px rgba(61, 245, 208, 0.28), 0 10px 24px -12px rgba(61, 245, 208, 0.85);
}

.seed--alert {
  background: radial-gradient(circle at 50% 24%, var(--kiwi-yellow) 0%, #FF9A3C 58%, var(--kiwi-alert) 100%);
  box-shadow: 0 6px 18px -10px rgba(255, 90, 60, 0.95);
}

.seed--alert:hover {
  box-shadow: 0 0 0 3px rgba(255, 90, 60, 0.3), 0 10px 24px -12px rgba(255, 90, 60, 0.9);
}

.seed__text { display: none; }

.nav-scrim {
  display: none;
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 132px);
  padding: clamp(48px, 6vw, 84px) 0 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(18, 59, 49, 0.42) 0%, var(--kiwi-ink-2) 42%, #0B2C24 100%);
  border-top: 1px solid var(--hair);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--kiwi-green) 0%, var(--kiwi-cyan) 28%, var(--kiwi-yellow) 58%, var(--kiwi-alert) 78%, transparent 100%);
  opacity: 0.75;
}

.site-footer::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -180px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, rgba(143, 227, 107, 0.1) 0deg 5deg, transparent 5deg 17deg);
  -webkit-mask-image: radial-gradient(circle, #000 26%, transparent 68%);
  mask-image: radial-gradient(circle, #000 26%, transparent 68%);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  width: min(var(--measure), 100%);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: 1.6fr 0.85fr 0.95fr 1.35fr;
  gap: clamp(28px, 4vw, 52px);
}

.footer-brand__mark {
  display: block;
  width: 22px;
  height: 32px;
  border-radius: 50%;
  margin-bottom: 16px;
  background: radial-gradient(circle at 50% 26%, var(--kiwi-flesh) 0%, var(--kiwi-green) 52%, var(--kiwi-ink-2) 100%);
  box-shadow: 0 0 20px rgba(33, 199, 122, 0.45);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 26px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--kiwi-cream);
}

.footer-brand__tag {
  margin-top: 6px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.3em;
  color: var(--kiwi-mute);
}

.footer-brand__note {
  margin-top: 16px;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 251, 242, 0.66);
}

.footer-col__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--kiwi-cyan);
  text-transform: uppercase;
}

.footer-list {
  margin-top: 14px;
  display: grid;
  gap: 2px;
}

.footer-list__link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 14.5px;
  color: rgba(247, 251, 242, 0.74);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.footer-list__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--kiwi-yellow);
  transition: width var(--dur) var(--ease);
}

.footer-list__link:hover {
  color: var(--kiwi-yellow);
  padding-left: 16px;
}

.footer-list__link:hover::before { width: 10px; }

.footer-contact__list {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.footer-contact__row {
  display: grid;
  gap: 3px;
}

.footer-contact__label {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--kiwi-mute);
}

.footer-contact__value {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 251, 242, 0.86);
  overflow-wrap: anywhere;
}

.footer-contact__value--num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--kiwi-yellow);
}

.footer-base {
  position: relative;
  z-index: 1;
  width: min(var(--measure), 100%);
  margin: clamp(38px, 5vw, 62px) auto 0;
  padding: 20px var(--gutter) 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 26px;
  border-top: 1px solid rgba(143, 227, 107, 0.12);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--kiwi-mute);
}

.footer-base__copy,
.footer-base__icp { margin: 0; }

/* ---------- 通用版式容器 ---------- */
.page-wrap {
  width: min(var(--measure), 100%);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--kiwi-cyan);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--kiwi-cyan);
  box-shadow: 0 0 12px var(--kiwi-cyan);
}

.display-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.2vw, 4rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--kiwi-cream);
}

.lede {
  max-width: 42ch;
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 1.8;
  color: rgba(247, 251, 242, 0.78);
}

.prose {
  max-width: 38rem;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(247, 251, 242, 0.8);
}

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

.prose h2,
.prose h3 {
  color: var(--kiwi-cream);
  letter-spacing: -0.01em;
}

.prose a {
  color: var(--kiwi-flesh);
  border-bottom: 1px solid rgba(143, 227, 107, 0.45);
}

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

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px 32px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding-block: 28px 0;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--kiwi-mute);
}

.breadcrumb__list > li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb__list > li + li::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 1px;
  background: var(--hair);
}

.breadcrumb__link { color: var(--kiwi-mute); transition: color var(--dur) var(--ease); }
.breadcrumb__link:hover { color: var(--kiwi-green); }
.breadcrumb__current { color: var(--kiwi-flesh); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  padding: 14px 28px;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease), transform 0.12s var(--ease),
              border-color var(--dur) var(--ease);
}

.btn--primary {
  background: var(--kiwi-yellow);
  color: var(--kiwi-ink);
  box-shadow: 0 12px 32px -16px rgba(255, 201, 74, 0.95);
}

.btn--primary:hover {
  background: #FFD873;
  box-shadow: 0 0 0 2px rgba(255, 201, 74, 0.6), 0 16px 36px -16px rgba(255, 201, 74, 1);
}

.btn--ghost {
  background: transparent;
  color: var(--kiwi-cream);
  border: 1px solid rgba(247, 251, 242, 0.28);
}

.btn--ghost:hover {
  border-color: var(--kiwi-cyan);
  color: var(--kiwi-cyan);
  box-shadow: 0 0 0 2px rgba(61, 245, 208, 0.18);
}

.btn:active { transform: translateY(1px) scale(0.992); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(61, 245, 208, 0.45);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.6;
  color: var(--kiwi-cyan);
}

.tag--alert {
  color: var(--kiwi-alert);
  border-color: rgba(255, 90, 60, 0.5);
  background: rgba(255, 90, 60, 0.1);
}

.tag--solid {
  color: var(--kiwi-ink);
  background: var(--kiwi-yellow);
  border-color: transparent;
}

/* ---------- 玻璃面板 ---------- */
.glass-panel {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid rgba(247, 251, 242, 0.16);
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(125%);
  backdrop-filter: blur(16px) saturate(125%);
  box-shadow: 0 24px 60px -40px rgba(0, 0, 0, 0.9);
}

/* ---------- 图片容器基础 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 10;
  border-radius: var(--r-lg);
  background:
    linear-gradient(135deg, rgba(33, 199, 122, 0.3) 0%, rgba(255, 201, 74, 0.18) 100%),
    var(--kiwi-ink-2);
}

.media-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(155deg, rgba(10, 42, 35, 0) 42%, rgba(10, 42, 35, 0.62) 100%);
}

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

/* ---------- 数字指标 ---------- */
.stat {
  display: grid;
  gap: 4px;
}

.stat__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--kiwi-yellow);
}

.stat__label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--kiwi-mute);
}

/* ---------- 滚动显现 ---------- */
.has-motion [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.has-motion [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 滚动锁 ---------- */
body.is-nav-open { overflow: hidden; }

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  body {
    padding-left: 0;
    padding-top: var(--bar-h);
    background-attachment: scroll;
  }

  html { scroll-behavior: auto; }

  .mobilebar { display: flex; }

  .rail {
    top: var(--bar-h);
    right: 0;
    bottom: 0;
    left: auto;
    z-index: 65;
    width: min(88vw, 380px);
    align-items: stretch;
    gap: 0;
    padding: 22px 18px 32px;
    overflow-y: auto;
    border-right: 0;
    border-left: 1px solid var(--hair-cyan);
    box-shadow: -32px 0 70px -44px rgba(0, 0, 0, 0.95);
    transform: translateX(102%);
    transition: transform 0.4s var(--ease);
  }

  .rail::after { display: none; }

  .site-header[data-open="true"] .rail { transform: translateX(0); }

  .rail__brand { display: none; }

  .rail__nav {
    flex: 0 0 auto;
    align-items: stretch;
    justify-content: flex-start;
    overflow: visible;
  }

  .rail__list {
    align-items: stretch;
    gap: 2px;
    padding: 0;
  }

  .rail__list::before { display: none; }

  .rail__link {
    writing-mode: horizontal-tb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.03em;
    background: transparent;
    color: rgba(247, 251, 242, 0.76);
  }

  .rail__link::after {
    content: "";
    width: 6px;
    height: 10px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.35;
    flex: 0 0 auto;
  }

  .rail__link:hover {
    background: rgba(61, 245, 208, 0.12);
    box-shadow: none;
  }

  .rail__link[aria-current="page"] {
    background: linear-gradient(100deg, var(--kiwi-yellow) 0%, var(--kiwi-flesh) 62%, var(--kiwi-green) 100%);
    box-shadow: 0 10px 26px -16px rgba(255, 201, 74, 0.95);
  }

  .rail__quick {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--hair);
  }

  .seed {
    width: auto;
    height: 40px;
    padding: 0 16px;
    border-radius: var(--r-pill);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
  }

  .seed__glyph { display: none; }
  .seed__text { display: inline; }

  .nav-scrim {
    display: block;
    position: fixed;
    top: var(--bar-h);
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 62;
    border: 0;
    padding: 0;
    background: rgba(5, 20, 16, 0.62);
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease), visibility 0.3s var(--ease);
  }

  .site-header[data-open="true"] .nav-scrim {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 900px) and (min-width: 641px) {
  .footer-inner { gap: 30px 36px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .footer-inner { grid-template-columns: 1fr; gap: 30px; }

  .footer-base {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .display-title { font-size: clamp(1.85rem, 8vw, 2.6rem); }

  .btn { padding: 13px 22px; font-size: 14.5px; }

  .media-frame--wide { aspect-ratio: 16 / 10; }
}

@media (min-width: 901px) and (max-height: 780px) {
  .rail { padding: 14px 0 16px; gap: 8px; }
  .rail__seed { width: 22px; height: 32px; }
  .rail__word { font-size: 11px; letter-spacing: 0.24em; }
  .rail__link { font-size: 12px; padding: 7px 6px; letter-spacing: 0.16em; }
  .rail__quick { gap: 8px; padding-top: 10px; }
  .seed { width: 30px; height: 38px; font-size: 11.5px; }
}

/* ---------- 动效降级 ---------- */
@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;
  }

  .has-motion [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .rail { transition: none; }
  .read-progress__bar { transition: none; }
}