/* ============================================================
   奇异果体育 · 全站共享样式 /assets/site.css
   设计语言：深空底 + 翠绿橙黄渐变 + 玻璃面板 + 斜切标题
   ============================================================ */

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

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

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }

/* ---------- 变量 ---------- */
:root {
  --kiwi: #7CB342;
  --kiwi-dark: #558B2F;
  --orange: #FF8A50;
  --yellow: #FFD54F;
  --blue: #00B0FF;
  --purple: #7C4DFF;
  --bg-dark: #0A0E17;
  --bg-panel: #141B26;
  --text-high: #F5F7FA;
  --text-mid: #A7B0C0;
  --glass: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.1);
  --kiwi-grad: linear-gradient(135deg, #7CB342 0%, #FFD54F 100%);
  --font-head: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --container-w: 1360px;
  --header-z: 100;
}

/* ---------- 基础排版 ---------- */
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  isolation: isolate;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-high);
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(ellipse at 85% -10%, rgba(124,179,66,0.16), transparent 55%),
    radial-gradient(ellipse at 10% 110%, rgba(255,213,79,0.08), transparent 50%),
    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.22), transparent 100%),
    radial-gradient(1px 1px at 75% 20%, rgba(255,255,255,0.18), transparent 100%),
    radial-gradient(1.5px 1.5px at 50% 75%, rgba(255,255,255,0.14), transparent 100%),
    radial-gradient(1px 1px at 90% 50%, rgba(255,255,255,0.16), transparent 100%),
    radial-gradient(1.5px 1.5px at 15% 85%, rgba(255,255,255,0.12), transparent 100%);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
}

@media (min-width: 961px) {
  body { background-attachment: fixed; }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-high);
  margin: 0 0 0.4em;
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 6.5vw, 84px); letter-spacing: -0.03em; }
h2 { font-size: clamp(30px, 4.5vw, 52px); }
h3 { font-size: clamp(20px, 2.6vw, 30px); }
h4 { font-size: 18px; }
p { margin: 0 0 1em; }
a { color: var(--kiwi); text-decoration: none; }
a:hover { color: var(--yellow); }

[id] { scroll-margin-top: 120px; }
::selection { background: rgba(124,179,66,0.4); color: var(--text-high); }

:focus-visible {
  outline: 3px solid rgba(124,179,66,0.85);
  outline-offset: 3px;
  border-radius: 4px;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: #2A3442; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--kiwi-dark); }

/* ---------- 工具与布局 ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

main { flex: 1; }

/* ---------- 滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  width: 0;
  height: 3px;
  background: var(--kiwi-grad);
  box-shadow: 0 0 12px rgba(124,179,66,0.6);
  pointer-events: none;
}

/* ---------- 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 400;
  padding: 12px 20px;
  background: var(--kiwi-grad);
  color: #0A0E17;
  font-weight: 700;
  font-size: 14px;
  border-radius: 0 0 12px 12px;
  transition: top 0.25s ease;
}
.skip-link:focus { top: 0; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  background: rgba(10,14,23,0.82);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(124,179,66,0.25);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.header-inner {
  position: relative;
  padding-top: 12px;
  padding-bottom: 10px;
}

.header-mast {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text-high);
}

.brand-mark {
  position: relative;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 26%, rgba(255,255,255,0.35) 0 10%, transparent 42%),
    var(--kiwi-grad);
  border: 1px solid rgba(255,255,255,0.3);
  box-shadow:
    0 0 20px rgba(124,179,66,0.45),
    inset 0 2px 6px rgba(255,255,255,0.2);
}
.brand-mark::before {
  content: '';
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  border: 1px dashed rgba(10,14,23,0.4);
}
.brand-mark::after {
  content: '';
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(10,14,23,0.45);
  top: 10px;
  left: 20px;
  box-shadow:
    9px 12px 0 rgba(10,14,23,0.35),
    12px 5px 0 rgba(10,14,23,0.3),
    -3px 16px 0 rgba(10,14,23,0.35),
    1px 7px 0 rgba(10,14,23,0.3);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.brand-name {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--text-high);
}
.brand-tagline {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.3;
  color: var(--kiwi);
}

/* 移动菜单按钮 */
.nav-toggle {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--text-high);
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav-toggle:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--kiwi);
}
.nav-toggle-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
  height: 14px;
}
.nav-toggle-bar {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.35s var(--ease), opacity 0.25s ease;
}
.nav-toggle-text {
  font-size: 13px;
  font-weight: 600;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(6px) 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(-6px) rotate(-45deg); }

.header-nav-row {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-mid);
  text-decoration: none;
  transition: color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
.nav-link:hover {
  color: var(--text-high);
  background: var(--glass);
}
.nav-link[aria-current="page"] {
  color: var(--kiwi);
  background: rgba(124,179,66,0.12);
  box-shadow: inset 0 0 0 1px rgba(124,179,66,0.35);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 14px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--kiwi-grad);
  color: #0A0E17;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(124,179,66,0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}
.header-cta:hover {
  color: #0A0E17;
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(124,179,66,0.5);
}
.cta-label { line-height: 1; }
.cta-arrow {
  display: inline-block;
  font-size: 15px;
  line-height: 1;
  transition: transform 0.3s ease;
}
.header-cta:hover .cta-arrow { transform: translate(2px, -2px); }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: auto;
  background:
    linear-gradient(180deg, rgba(20,27,38,0.96), rgba(10,14,23,0.99)),
    var(--bg-panel);
  border-top: 1px solid rgba(124,179,66,0.2);
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kiwi) 0%, var(--yellow) 45%, var(--orange) 100%);
  opacity: 0.8;
}

.footer-inner {
  padding-top: 56px;
  padding-bottom: 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.1fr 1.1fr 1.6fr;
  gap: clamp(28px, 4vw, 64px);
}
.footer-col { min-width: 0; }
.footer-about, .footer-contact { display: grid; align-content: start; }

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--text-high);
  text-decoration: none;
}
.footer-brand::before {
  content: '';
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--kiwi-grad);
  box-shadow: 0 0 14px rgba(124,179,66,0.6);
  flex-shrink: 0;
}
.footer-desc {
  margin: 18px 0 14px;
  max-width: 38ch;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.9;
}
.footer-trust {
  font-size: 13px;
  color: var(--kiwi);
  line-height: 1.7;
  padding-left: 12px;
  border-left: 3px solid var(--kiwi);
}

.footer-heading {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mid);
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.footer-heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 30px;
  height: 2px;
  background: var(--kiwi-grad);
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.footer-list a {
  display: inline-block;
  font-size: 14px;
  color: var(--text-mid);
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease;
}
.footer-list a:hover {
  color: var(--kiwi);
  transform: translateX(4px);
}

.footer-contact-line {
  font-size: 14px;
  color: var(--text-mid);
  margin: 0 0 10px;
  line-height: 1.6;
}
.footer-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--text-mid);
  opacity: 0.85;
  line-height: 1.7;
}

.footer-bottom {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: 13px;
  color: var(--text-mid);
}
.footer-bottom p { margin: 0; }
.footer-legacy a { color: var(--text-mid); text-decoration: none; transition: color 0.3s ease; }
.footer-legacy a:hover { color: var(--kiwi); }
.footer-dot { margin: 0 10px; opacity: 0.5; }
.footer-icp { letter-spacing: 0.04em; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--kiwi-grad);
  color: #0A0E17;
  box-shadow: 0 8px 24px rgba(124,179,66,0.35);
}
.btn-primary:hover {
  color: #0A0E17;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(124,179,66,0.5);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.22);
  color: var(--text-high);
}
.btn-outline:hover {
  border-color: var(--kiwi);
  color: var(--kiwi);
  transform: translateY(-2px);
}
.btn-glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-color: rgba(255,255,255,0.14);
  color: var(--text-high);
}
.btn-glass:hover {
  background: rgba(255,255,255,0.13);
  border-color: var(--kiwi);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ---------- 章节 ---------- */
.section {
  position: relative;
  padding: clamp(60px, 10vw, 120px) 0;
}
.section-head {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  margin-bottom: clamp(28px, 5vw, 56px);
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kiwi);
}
.section-kicker::before {
  content: '';
  width: 26px;
  height: 2px;
  background: var(--kiwi-grad);
  border-radius: 2px;
}
.section-title {
  display: block;
  width: fit-content;
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  padding-right: 0.06em;
  margin: 0;
  color: var(--text-high);
}
.section-desc {
  max-width: 58ch;
  font-size: 16px;
  color: var(--text-mid);
  margin-top: 4px;
}
.section-index {
  position: absolute;
  top: clamp(20px, 4vw, 60px);
  right: 0;
  z-index: 0;
  font-family: var(--font-head);
  font-size: clamp(96px, 16vw, 220px);
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(124,179,66,0.25);
  user-select: none;
  pointer-events: none;
}
@media (max-width: 600px) {
  .section-index { display: none; }
}

/* ---------- 面板与卡片 ---------- */
.panel {
  position: relative;
  background: linear-gradient(150deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.02) 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 48px);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  overflow: hidden;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s var(--ease);
}
.panel:hover { border-color: rgba(124,179,66,0.4); }
.panel--accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  width: 64px;
  height: 3px;
  background: var(--kiwi-grad);
  border-radius: 0 0 3px 3px;
}
.panel--lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.4);
}
.panel-body { position: relative; z-index: 1; }

.card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: clamp(20px, 3vw, 32px);
  transition: transform 0.3s var(--ease), border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  border-color: rgba(124,179,66,0.35);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}
.card-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
}
.card-text { color: var(--text-mid); font-size: 15px; line-height: 1.8; }

/* ---------- 栅格 ---------- */
.grid-2, .grid-3, .grid-4 { display: grid; gap: clamp(16px, 2.5vw, 32px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: clamp(16px, 2.5vw, 32px); }
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4, .grid-12 { grid-template-columns: 1fr; }
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0 0 24px;
  padding: 12px 18px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 13px;
  color: var(--text-mid);
}
.breadcrumb li + li::before {
  content: '/';
  margin-right: 6px;
  color: rgba(255,255,255,0.3);
}
.breadcrumb a { color: var(--text-mid); text-decoration: none; transition: color 0.3s ease; }
.breadcrumb a:hover { color: var(--kiwi); }
.breadcrumb [aria-current="page"] { color: var(--text-high); font-weight: 600; }

/* ---------- 徽标与统计 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(124,179,66,0.14);
  color: var(--kiwi);
  border: 1px solid rgba(124,179,66,0.3);
}
.badge--orange { background: rgba(255,138,80,0.14); color: var(--orange); border-color: rgba(255,138,80,0.3); }
.badge--yellow { background: rgba(255,213,79,0.14); color: var(--yellow); border-color: rgba(255,213,79,0.3); }
.badge--blue { background: rgba(0,176,255,0.14); color: var(--blue); border-color: rgba(0,176,255,0.3); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}
.stat {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  transition: border-color 0.3s ease;
}
.stat:hover { border-color: rgba(124,179,66,0.35); }
.stat-number {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1;
  color: var(--text-high);
}
.stat-label { margin-top: 10px; font-size: 13px; color: var(--text-mid); }
.stat--kiwi .stat-number { color: var(--kiwi); }
.stat--yellow .stat-number { color: var(--yellow); }
.stat--orange .stat-number { color: var(--orange); }

/* ---------- 时间轴 ---------- */
.timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 28px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--kiwi) 0%, var(--yellow) 60%, rgba(255,255,255,0.08) 100%);
}
.timeline-item {
  position: relative;
  padding-bottom: 30px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 3px solid var(--kiwi);
  box-shadow: 0 0 12px rgba(124,179,66,0.5);
}
.timeline-stamp {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--yellow);
  text-transform: uppercase;
}
.timeline-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  margin: 4px 0 6px;
}
.timeline-body { color: var(--text-mid); font-size: 14px; line-height: 1.8; }

/* ---------- 手风琴 ---------- */
.accordion { display: grid; gap: 12px; }
.accordion-item {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.accordion-item:has([data-accordion-panel][data-open]) {
  border-color: rgba(124,179,66,0.45);
  background: rgba(124,179,66,0.04);
}
.accordion-target {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  color: var(--text-high);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color 0.3s ease;
}
.accordion-target:hover { color: var(--kiwi); }
.accordion-target::after {
  content: '';
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background:
    linear-gradient(currentColor, currentColor) center / 12px 2px no-repeat,
    linear-gradient(currentColor, currentColor) center / 2px 12px no-repeat;
  background-color: rgba(124,179,66,0.15);
  color: var(--kiwi);
  transition: background-color 0.3s ease;
}
.accordion-target[aria-expanded="true"]::after {
  background: linear-gradient(currentColor, currentColor) center / 12px 2px no-repeat;
  background-color: rgba(124,179,66,0.4);
}
.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s var(--ease);
}
.accordion-panel[data-open] { grid-template-rows: 1fr; }
.accordion-content {
  overflow: hidden;
  padding: 0 20px;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.8;
}
.accordion-panel[data-open] .accordion-content { padding-bottom: 20px; }

/* ---------- 图片容器 ---------- */
.img-box {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  border: 1px solid rgba(255,255,255,0.08);
  aspect-ratio: 4 / 3;
}
.img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.4s ease;
}
.img-box:hover img {
  transform: scale(1.04);
  filter: saturate(1.1);
}
.img-box--wide { aspect-ratio: 16 / 9; }
.img-box--tall { aspect-ratio: 3 / 4; }
.img-box--square { aspect-ratio: 1 / 1; }
.img-box--fallback::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(124,179,66,0.3), transparent 60%),
    linear-gradient(135deg, rgba(255,213,79,0.12), rgba(124,179,66,0.05));
}

/* ---------- 标签 ---------- */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-mid);
  background: var(--glass);
  border: 1px solid var(--line);
  transition: color 0.3s ease, border-color 0.3s ease;
}
.tag:hover { color: var(--kiwi); border-color: var(--kiwi); }

/* ---------- 滚动显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.65s ease, transform 0.65s var(--ease);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式：页头 ---------- */
@media (max-width: 960px) {
  .header-inner { padding-top: 10px; padding-bottom: 10px; }
  .header-mast { justify-content: space-between; }
  .nav-toggle { display: inline-flex; }
  .header-nav-row {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding: 0 20px;
    background: rgba(10,14,23,0.96);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: max-height 0.5s var(--ease), opacity 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
  }
  .site-nav[data-open] {
    max-height: 600px;
    opacity: 1;
    padding-top: 16px;
    padding-bottom: 20px;
    border-bottom-color: rgba(124,179,66,0.35);
  }
  .site-nav .nav-link {
    padding: 12px 16px;
    font-size: 16px;
    border-radius: 12px;
  }
  .site-nav .header-cta {
    margin-left: 0;
    margin-top: 10px;
    justify-content: center;
  }
}

/* ---------- 响应式：页脚 ---------- */
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { padding-top: 44px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}

/* ---------- 响应式：极小屏 ---------- */
@media (max-width: 420px) {
  .brand-name { font-size: 18px; }
  .brand-tagline { display: none; }
  .brand-mark { width: 38px; height: 38px; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}