/* ==========================================================
   奇异果中国官网 — 全站共享样式 Site Kit
   文件路径：/assets/site.css
   设计主题：奇异果剖面放射纹理 · 复古出版色 · 悬浮胶囊导航
   ========================================================== */

/* ---------- 1. CSS 自定义属性 ---------- */
:root {
  /* 色彩体系 */
  --kiwi-green: #8BC34A;
  --kiwi-yellow: #FFC107;
  --cream-bg: #FAF6EF;
  --dark-brown: #2B2926;
  --dark-gray: #333333;
  --white: #FFFFFF;
  --tomato: #E85D3D;
  --leaf-green: #5B8C2A;
  --warm-gold: #B8860B;
  --glass-white: rgba(255, 255, 255, 0.72);

  /* 字体 */
  --title-font: "Nunito", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body-font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --annotation-font: "Noto Serif SC", "Songti SC", "SimSun", Serif;

  /* 字号阶梯 */
  --h1-size: clamp(2rem, 5vw, 4rem);
  --h2-size: clamp(1.5rem, 3vw, 2.25rem);
  --h3-size: 1.25rem;
  --body-size: 1rem;
  --caption-size: 0.875rem;

  /* 行高 */
  --title-line-height: 1.15;
  --body-line-height: 1.75;

  /* 间距 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* 容器 */
  --container: 1200px;
  --container-narrow: 880px;

  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(43, 41, 38, 0.08);
  --shadow-md: 0 8px 24px rgba(43, 41, 38, 0.10);
  --shadow-lg: 0 16px 40px rgba(43, 41, 38, 0.16);
  --shadow-green: 0 8px 24px rgba(139, 195, 74, 0.35);
  --shadow-yellow: 0 8px 24px rgba(255, 193, 7, 0.30);

  /* 玻璃层 */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.5);

  /* 头部尺寸 */
  --header-offset: 12px;
  --header-pill-h: 56px;

  /* 过渡 */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration: 0.3s;
}

/* ---------- 2. Reset 与基础 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--body-font);
  font-size: var(--body-size);
  line-height: var(--body-line-height);
  color: var(--dark-brown);
  background-color: var(--cream-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--leaf-green);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* :focus-visible 全站统一焦点样式 */
:focus-visible {
  outline: 2px solid var(--kiwi-green);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 3. 工具类 ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.section {
  padding: var(--space-lg) 0;
}

.section-sm {
  padding: 40px 0;
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 9999;
  padding: 10px 20px;
  background: var(--dark-brown);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.875rem;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

/* ---------- 5. 头部与悬浮胶囊导航 ---------- */
.site-header {
  position: sticky;
  top: var(--header-offset);
  z-index: 1000;
  padding: 0 16px;
  pointer-events: none;
}

.site-header-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  min-height: var(--header-pill-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 10px 0 20px;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  transition: box-shadow var(--duration) var(--ease);
}

.site-header-inner:hover {
  box-shadow: var(--shadow-lg);
}

/* 品牌 */
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.site-brand:hover {
  color: var(--dark-brown);
}

.site-brand-mark {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #F0E8D8 0 28%, #E2D6B8 28% 100%);
  border: 2px solid var(--kiwi-green);
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: inset 0 0 0 3px rgba(139, 195, 74, 0.12);
}

.site-brand-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.55) 0%, transparent 42%);
}

.site-brand-mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: rgba(43, 41, 38, 0.8);
  transform: translate(-50%, -50%);
  box-shadow:
    5px 0 0 rgba(43, 41, 38, 0.8),
    -5px 0 0 rgba(43, 41, 38, 0.8),
    0 5px 0 rgba(43, 41, 38, 0.8),
    0 -5px 0 rgba(43, 41, 38, 0.8),
    3.5px -3.5px 0 rgba(43, 41, 38, 0.6),
    3.5px 3.5px 0 rgba(43, 41, 38, 0.6),
    -3.5px 3.5px 0 rgba(43, 41, 38, 0.6),
    -3.5px -3.5px 0 rgba(43, 41, 38, 0.6),
    8px -1px 0 rgba(43, 41, 38, 0.4),
    -8px 1px 0 rgba(43, 41, 38, 0.4),
    1px 8px 0 rgba(43, 41, 38, 0.4),
    -1px -8px 0 rgba(43, 41, 38, 0.4),
    7px 5px 0 rgba(43, 41, 38, 0.32),
    -7px -5px 0 rgba(43, 41, 38, 0.32),
    5px 7px 0 rgba(43, 41, 38, 0.32),
    -5px -7px 0 rgba(43, 41, 38, 0.32);
}

.site-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-brand-text strong {
  font-family: var(--title-font);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--dark-brown);
}

.site-brand-text small {
  font-family: var(--annotation-font);
  font-size: 0.6875rem;
  color: var(--warm-gold);
  letter-spacing: 0.14em;
  white-space: nowrap;
}

/* 导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

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

.site-nav-list a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  color: var(--dark-gray);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.site-nav-list a:hover {
  background: rgba(139, 195, 74, 0.12);
  color: var(--leaf-green);
}

.site-nav-list a[aria-current="page"] {
  background: var(--kiwi-green);
  color: var(--white);
  font-weight: 700;
  box-shadow: var(--shadow-green);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--dark-brown);
  color: var(--white) !important;
  font-family: var(--title-font);
  font-weight: 700;
  font-size: 0.8125rem;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.nav-cta::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kiwi-yellow);
  flex-shrink: 0;
}

.nav-cta:hover {
  background: var(--leaf-green);
  color: var(--white) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(43, 41, 38, 0.25);
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0;
  transition: background-color 0.2s ease;
}

.nav-toggle:hover {
  background: rgba(139, 195, 74, 0.12);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--dark-brown);
  border-radius: 2px;
  margin: 4px auto;
  transition: transform var(--duration) var(--ease), opacity 0.2s ease;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  background: var(--dark-gray);
  color: rgba(255, 255, 255, 0.85);
  margin-top: auto;
  position: relative;
  overflow: hidden;
}

/* 种子点阵纹理层 */
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(139, 195, 74, 0.14) 1px, transparent 1.5px);
  background-size: 26px 26px;
  pointer-events: none;
}

/* 顶部彩色渐变条 */
.site-footer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(to right, var(--kiwi-green), var(--kiwi-yellow), var(--tomato));
  pointer-events: none;
}

.site-footer-main {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 24px 48px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 40px;
}

/* 页脚品牌块 */
.footer-brand-block .site-brand {
  margin-bottom: 16px;
}

.site-brand-light strong {
  color: var(--white);
}

.site-brand-light small {
  color: var(--kiwi-yellow);
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
  max-width: 320px;
}

.footer-trust {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--kiwi-green);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
  max-width: 360px;
}

.footer-trust-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kiwi-green);
  margin-top: 7px;
  position: relative;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.25);
}

.footer-trust-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(139, 195, 74, 0.35);
}

/* 页脚分栏 */
.footer-col {
  min-width: 0;
}

.footer-heading {
  font-family: var(--title-font);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kiwi-yellow);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: rgba(139, 195, 74, 0.5);
  border-radius: 2px;
}

.footer-links-list li + li {
  margin-top: 10px;
}

.footer-links-list a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-block;
}

.footer-links-list a:hover {
  color: var(--kiwi-green);
  padding-left: 5px;
}

/* 联系服务 */
.footer-contact-list {
  font-size: 0.875rem;
  line-height: 1.7;
}

.footer-contact-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.82);
  word-break: break-all;
}

.footer-contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kiwi-green);
}

.footer-response {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

/* 页脚底栏 */
.site-footer-bottom {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 24px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(0, 0, 0, 0.15);
}

/* ---------- 7. 页面主体 ---------- */
.site-main {
  flex: 1 0 auto;
  width: 100%;
  position: relative;
}

#main-content:focus {
  outline: none;
}

body.nav-open {
  overflow: hidden;
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-family: var(--title-font);
  font-size: 0.925rem;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  border: 2px solid transparent;
  transition: all 0.25s var(--ease);
  min-height: 44px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--kiwi-green);
  color: var(--dark-brown);
}

.btn-primary:hover {
  background: var(--leaf-green);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-green);
}

.btn-secondary {
  background: transparent;
  border-color: var(--leaf-green);
  color: var(--leaf-green);
}

.btn-secondary:hover {
  background: rgba(139, 195, 74, 0.12);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--dark-brown);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--leaf-green);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-yellow {
  background: var(--kiwi-yellow);
  color: var(--dark-brown);
}

.btn-yellow:hover {
  background: #FFD54F;
  transform: translateY(-2px);
  box-shadow: var(--shadow-yellow);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.8125rem;
  min-height: 36px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px 24px 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

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

.breadcrumb li + li::before {
  content: "/";
  color: var(--warm-gold);
  font-size: 0.8rem;
}

.breadcrumb a {
  color: var(--leaf-green);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb li[aria-current="page"] {
  color: var(--dark-gray);
  font-weight: 500;
}

/* ---------- 10. 页面标题与导语 ---------- */
.page-header {
  padding: 48px 0 24px;
}

.page-title {
  font-family: var(--title-font);
  font-size: var(--h1-size);
  font-weight: 800;
  line-height: var(--title-line-height);
  color: var(--dark-brown);
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.page-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right, var(--kiwi-green), var(--kiwi-yellow));
  margin-top: 12px;
}

.page-intro {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--dark-gray);
  max-width: 720px;
  margin-top: 16px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--annotation-font);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  color: var(--warm-gold);
}

.section-kicker::before {
  content: "";
  flex-shrink: 0;
  width: 28px;
  height: 1px;
  background: var(--warm-gold);
}

.vertical-annotation {
  writing-mode: vertical-rl;
  font-family: var(--annotation-font);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--warm-gold);
  white-space: nowrap;
}

/* ---------- 11. Bento 信息板 ---------- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento-card {
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  min-height: 180px;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.bento-card-green {
  background: var(--kiwi-green);
  color: var(--dark-brown);
}

.bento-card-yellow {
  background: var(--kiwi-yellow);
  color: var(--dark-brown);
}

.bento-card-cream {
  background: var(--white);
  border: 1px solid rgba(43, 41, 38, 0.08);
  color: var(--dark-brown);
}

.bento-card-dark {
  background: var(--dark-gray);
  color: var(--white);
}

.bento-card-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--dark-brown);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-12 { grid-column: span 12; }

/* ---------- 12. 玻璃卡片 ---------- */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  color: var(--dark-brown);
}

/* ---------- 13. 时间轴 ---------- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--kiwi-green), var(--leaf-green));
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--kiwi-yellow);
  border: 3px solid var(--leaf-green);
  box-sizing: border-box;
}

.timeline-item-title {
  font-family: var(--title-font);
  font-weight: 800;
  font-size: 1.0625rem;
  color: var(--dark-brown);
  margin-bottom: 4px;
}

.timeline-item-date {
  font-family: var(--annotation-font);
  font-size: 0.75rem;
  color: var(--warm-gold);
  margin-bottom: 8px;
}

.timeline-item-desc {
  font-size: 0.9rem;
  color: var(--dark-gray);
  line-height: 1.7;
}

/* ---------- 14. 标签页 ---------- */
.tabs {
  width: 100%;
}

.tabs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px;
  background: rgba(43, 41, 38, 0.06);
  border-radius: var(--radius-pill);
  margin-bottom: 28px;
}

.tabs-trigger {
  flex: 1 1 auto;
  min-width: 80px;
  padding: 10px 20px;
  border: none;
  background: transparent;
  border-radius: var(--radius-pill);
  font-family: var(--title-font);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark-gray);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.tabs-trigger:hover {
  color: var(--leaf-green);
}

.tabs-trigger[aria-selected="true"] {
  background: var(--white);
  color: var(--leaf-green);
  box-shadow: var(--shadow-sm);
}

.tabs-panel {
  animation: tabFadeIn 0.2s ease;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 15. 手风琴 ---------- */
.accordion {
  border-radius: var(--radius-md);
  background: var(--white);
  border: 1px solid rgba(43, 41, 38, 0.08);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.accordion:hover {
  box-shadow: var(--shadow-md);
}

.accordion + .accordion {
  margin-top: 12px;
}

.accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-family: var(--title-font);
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark-brown);
  list-style: none;
  position: relative;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--leaf-green);
  line-height: 1;
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
}

.accordion[open] summary::after {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 4px 22px 22px;
  font-size: 0.925rem;
  line-height: 1.7;
  color: #555;
  border-top: 1px solid rgba(43, 41, 38, 0.06);
  padding-top: 12px;
}

/* ---------- 16. 旧版兼容条 ---------- */
.legacy-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--kiwi-yellow);
  border-top: 2px solid var(--dark-brown);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--dark-brown);
  transform: translateY(110%);
  transition: transform 0.35s var(--ease);
}

.legacy-bar.is-visible {
  transform: translateY(0);
}

.legacy-bar-text {
  font-weight: 500;
}

.legacy-bar-close {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--dark-brown);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 50%;
  transition: background-color 0.2s ease;
}

.legacy-bar-close:hover {
  background: rgba(43, 41, 38, 0.15);
}

/* ---------- 17. 滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 18. 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--dark-brown);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--duration) ease, transform var(--duration) ease, visibility var(--duration), background-color 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--leaf-green);
}

body.has-legacy-bar .back-to-top {
  bottom: 88px;
}

/* ---------- 19. 首屏分屏 ---------- */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 80px 0 64px;
}

.hero-split-left {
  min-width: 0;
}

.hero-split-right {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
}

/* ---------- 20. 奇异果装饰 ---------- */
.kiwi-orb {
  position: relative;
  width: clamp(220px, 28vw, 340px);
  height: clamp(220px, 28vw, 340px);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.35), transparent 42%),
    radial-gradient(circle, #F4EDE0 0%, #EFE6D2 18%, #B7D384 34%, var(--kiwi-green) 55%, #6B9B37 80%);
  overflow: hidden;
  flex-shrink: 0;
}

.kiwi-orb::before {
  content: "";
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  border: 1px solid rgba(43, 41, 38, 0.08);
}

.kiwi-orb::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(43, 41, 38, 0.75);
  transform: translate(-50%, -50%);
  box-shadow:
    12px 0 0 rgba(43, 41, 38, 0.7),
    -12px 0 0 rgba(43, 41, 38, 0.7),
    0 12px 0 rgba(43, 41, 38, 0.7),
    0 -12px 0 rgba(43, 41, 38, 0.7),
    8px -8px 0 rgba(43, 41, 38, 0.65),
    8px 8px 0 rgba(43, 41, 38, 0.65),
    -8px 8px 0 rgba(43, 41, 38, 0.65),
    -8px -8px 0 rgba(43, 41, 38, 0.65),
    16px -2px 0 rgba(43, 41, 38, 0.45),
    -16px 2px 0 rgba(43, 41, 38, 0.45),
    2px 16px 0 rgba(43, 41, 38, 0.45),
    -2px -16px 0 rgba(43, 41, 38, 0.45),
    14px 8px 0 rgba(43, 41, 38, 0.35),
    -14px -8px 0 rgba(43, 41, 38, 0.35),
    8px 14px 0 rgba(43, 41, 38, 0.35),
    -8px -14px 0 rgba(43, 41, 38, 0.35);
}

.kiwi-seed-pattern {
  background-image: radial-gradient(rgba(91, 140, 42, 0.14) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

/* ---------- 21. 数据表格 ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.data-table th,
.data-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(43, 41, 38, 0.08);
}

.data-table th {
  background: var(--cream-bg);
  font-family: var(--title-font);
  font-weight: 800;
  font-size: 0.875rem;
  color: var(--dark-brown);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: rgba(139, 195, 74, 0.06);
}

/* ---------- 22. 响应式 ---------- */
@media (max-width: 1080px) {
  .site-footer-main {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .footer-brand-block {
    grid-column: span 3;
  }
}

@media (max-width: 920px) {
  /* 头部切换为汉堡模式 */
  .site-header-inner {
    padding: 0 8px 0 16px;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    position: fixed;
    top: calc(var(--header-offset) + var(--header-pill-h) + 10px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-left: 0;
    background: rgba(255, 255, 255, 0.92);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav-list a {
    display: block;
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 1rem;
    white-space: normal;
  }

  .site-nav-list a[aria-current="page"] {
    box-shadow: none;
  }

  .nav-cta {
    justify-content: center;
    margin-top: 8px;
    padding: 14px 20px;
  }

  /* Bento 卡片全部单列 */
  .bento-grid {
    grid-template-columns: 1fr;
  }

  .col-span-4,
  .col-span-5,
  .col-span-6,
  .col-span-7,
  .col-span-8,
  .col-span-12 {
    grid-column: span 1;
  }

  /* 首屏分屏成单列 */
  .hero-split {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 0 40px;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 48px 0;
  }

  .site-footer-main {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 48px 24px 36px;
  }

  .footer-brand-block {
    grid-column: span 1;
  }

  .footer-contact-list {
    word-break: break-all;
  }

  .back-to-top {
    width: 44px;
    height: 44px;
    right: 16px;
    bottom: 20px;
  }

  .tabs-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tabs-trigger {
    min-width: auto;
    flex: 1 0 max-content;
  }

  .breadcrumb {
    padding-top: 12px;
  }
}

/* ---------- 23. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .back-to-top {
    transition: none;
  }
}
