/* ==========================================================================
   BOTANHEAL · 对标 Pimpan.fr
   极简 · 黑白 · 全屏分段滚动 · 大字动效 · 翠绿强调
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --bg: #FFFFFF;
  --bg-alt: #F5F5F5;
  --bg-card: #FFFFFF;
  --text: #000000;
  --text-secondary: #666666;
  --text-tertiary: #999999;
  --brand: #2DBE6C;
  --brand-light: #5BCC8E;
  --brand-pale: #E5F7EE;
  --line: #E5E5E5;
  --line-light: #F0F0F0;
  --section-outline: #2DBE6C;

  --font-scale: 1; /* 全局字号缩放系数（后台主题可调整） */

  --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, sans-serif;
  --font-display: 'Montserrat', 'Inter', sans-serif;
  --fs-display: calc(var(--font-scale) * clamp(3.5rem, 9vw, 6.5rem));
  --fs-h1: calc(var(--font-scale) * clamp(1.9rem, 3.5vw, 2.7rem));
  --fs-h2: calc(var(--font-scale) * clamp(1.35rem, 2.2vw, 1.75rem));
  --fs-body: calc(var(--font-scale) * 1rem);
  --fs-small: calc(var(--font-scale) * 0.85rem);
  --fs-tiny: calc(var(--font-scale) * 0.75rem);
  --line-width: 1px;
  --radius: 0px;
  --radius-lg: 0px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.4s var(--ease);
  --container: 1320px;
  --container-narrow: 860px;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  letter-spacing: 0.02em;
}
b, strong { font-weight: 500; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand); }
img, svg { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }

/* ---------- 导航栏 Pimpan 三栏 ---------- */
.nav-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--line-width) solid #000;
}
.nav-inner {
  max-width: none; margin: 0 auto;
  padding: 1rem 3rem; display: grid;
  grid-template-columns: 1fr auto 1fr; align-items: center; gap: 0;
}
.nav-left { display: flex; justify-content: space-evenly; gap: 0; }
.nav-left a {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  font-weight: 400; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-secondary); position: relative;
  padding: 0.5rem 0.75rem;
  transition: all var(--transition);
}
/* 默认 hover：下划线动画 */
.nav-left a::after {
  content: ''; position: absolute; bottom: 0; left: 0.75rem; right: 0.75rem; height: 1.5px;
  background: var(--text); transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-left a:hover::after { transform: scaleX(1); }
.nav-left a:hover { color: var(--text); }

/* Active 态 — 当前页面栏目：仅下划线提示，无背景无放大 */
.nav-left a.active,
.nav-right a.active {
  color: var(--text);
}
.nav-left a.active::after,
.nav-right a.active::after {
  transform: scaleX(1); /* 显示下划线 */
}

/* Hover 态 — 黑底白字反显（仅颜色变化，不改变尺寸） */
.nav-left a:hover,
.nav-right a:hover {
  background: #000;
  color: #fff !important;
}
.nav-left a:hover::after,
.nav-right a:hover::after { display: none; }

/* active 被 hover 时保持反显（不闪烁） */

/* 导航中文 tooltip 悬浮提示 */
.nav-left a[data-zh]::before,
.nav-right a[data-zh]::before {
  content: attr(data-zh);
  position: absolute; top: 110%; left: 50%; transform: translateX(-50%) translateY(4px);
  font-family: var(--font-sans); font-size: 0.625rem; font-weight: 400;
  letter-spacing: 0.06em; text-transform: none;
  color: var(--brand); white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.nav-left a[data-zh]:hover::before,
.nav-right a[data-zh]:hover::before {
  opacity: 1; transform: translateX(-50%) translateY(0);
}

.nav-logo-center {
  font-family: var(--font-display); font-size: 1.2rem;
  font-weight: 400; letter-spacing: 0.25em; text-transform: uppercase;
  text-align: center; color: var(--text);
  margin: 0 5cm;
}

.nav-right { display: flex; justify-content: space-evenly; gap: 0; }
.nav-right a {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-secondary); position: relative;
  padding: 0.5rem 0.75rem;
  transition: all var(--transition);
}
.nav-right a::after {
  content: ''; position: absolute; bottom: 0; left: 0.75rem; right: 0.75rem; height: 1.5px;
  background: var(--text); transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-right a:hover::after { transform: scaleX(1); }
.nav-right a:hover { color: var(--text); }

/* 移动端 */
.nav-toggle { display: none; position: fixed; top: 1rem; right: 1rem; z-index: 1100;
  flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer;
  padding: 0.5rem; }
.nav-toggle span { width: 22px; height: 1.5px; background: var(--text); transition: var(--transition); display: block; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile { display: none; }

/* ==========================================================================
   全屏 Snap 分段滚动
   ========================================================================== */
#fullpage {
  height: 100vh; overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}
#fullpage::-webkit-scrollbar { width: 0; }
 .fp-section {
   min-height: 100vh; width: 100%;
   display: flex; align-items: center; justify-content: center;
   position: relative; overflow: hidden;
   scroll-snap-align: start;
   scroll-snap-stop: always;
   outline: 1px solid var(--section-outline);
   outline-offset: -1px;
 }

/* 移动端：减弱强制吸附，消除滑屏顿挫感（桌面端 768px+ 仍保留 mandatory 整屏吸附） */
@media (max-width: 768px) {
  #fullpage {
    height: 100dvh;                 /* 跟随动态视口，避免地址栏伸缩导致的跳动 */
    scroll-snap-type: y proximity;  /* 仅在靠近段边界时轻吸附，可自由滑过 */
    scroll-behavior: auto;          /* 去掉缓动滑移，手指响应更直接 */
  }
  .fp-section {
    min-height: 100dvh;
    scroll-snap-stop: normal;       /* 快速滑动可跳过中间段，不再逐屏强制停 */
  }
}

/* ==========================================================================
   Section 1: HERO 全屏
   ========================================================================== */
.hero-pimpan {
  flex-direction: column; padding: 0;
}
.hero-pimpan-bg { position: absolute; inset: 0; z-index: 0; }
.hero-pimpan-visual { display: grid; grid-template-columns: 1fr 1fr; width: 100%; height: 100%; }
.hero-visual-left, .hero-visual-right { position: relative; overflow: hidden; }
.hero-placeholder-img {
  width: 100%; height: 100%; background: linear-gradient(135deg, #e8ebe4 0%, #d5dbd0 50%, #c8cec3 100%);
  display: flex; align-items: center; justify-content: center;
}
.hero-placeholder-img::after {
  content: '观植愈境'; font-family: var(--font-display); font-size: 3rem;
  color: rgba(255,255,255,0.3); letter-spacing: 0.3em;
}
.hero-placeholder-product {
  width: 100%; height: 100%; background: linear-gradient(135deg, #f0eee8 0%, #e8e4d8 50%, #ddd8c8 100%);
  display: flex; align-items: center; justify-content: center;
}
.hero-placeholder-product::after {
  content: ''; width: 60%; height: 60%; background: rgba(255,255,255,0.15);
  border-radius: 8px;
}
.hero-pimpan-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(255,255,255,0) 40%, rgba(255,255,255,0.85) 100%);
  pointer-events: none;
}
.hero-pimpan-content {
  position: absolute; bottom: 8rem; left: 50%; transform: translateX(-50%);
  z-index: 5; text-align: center; max-width: 520px;
}
.hero-pimpan-label {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--text-secondary); margin-bottom: 0.75rem;
}
.hero-pimpan-title {
  font-family: var(--font-display);
  font-size: calc(var(--font-scale) * clamp(2rem, 4.5vw, 3.4rem));
  font-weight: 400; letter-spacing: 0.16em; line-height: 1.15;
  color: var(--text); margin-bottom: 1rem;
  display: inline-block;
  margin-right: -0.16em; /* 抵消 letter-spacing 尾随空白，使标题真正视觉居中 */
}
.hero-pimpan-desc {
  font-size: var(--fs-body); color: var(--text-secondary);
  line-height: 1.8; margin-bottom: 2rem; letter-spacing: 0.04em;
}
.hero-pimpan-cta {
  display: inline-block; padding: 1rem 2.8rem;
  background: #fff; color: #000; border: 1px solid #000;
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.15em; text-transform: uppercase;
  cursor: pointer; transition: all 0.35s ease;
}
.hero-pimpan-cta:hover {
  background: #000; color: #fff;
}
.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 5; font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.2em; color: var(--text-tertiary);
  animation: fadeBounce 2.5s ease infinite;
}
@keyframes fadeBounce {
  0%, 100% { opacity: 0.2; transform: translate(-50%, 0); }
  50% { opacity: 0.7; transform: translate(-50%, 6px); }
}

/* ==========================================================================
   Section 2: LOOKBOOK（对标PIMPAN 图2 产品网格风格）
   ========================================================================== */
.section-lookbook { flex-direction: column; background: var(--bg); }
.fp-inner {
  max-width: var(--container); width: 100%; margin: 0 auto;
  padding: 5rem 2rem; text-align: center;
}

.section-label-pimpan {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--text-tertiary); margin-bottom: 0.5rem;
}
.section-title-pimpan {
  font-family: var(--font-display); font-size: var(--fs-h1);
  font-weight: 400; letter-spacing: 0.12em; margin-bottom: 2rem;
}
.section-desc-pimpan {
  font-size: var(--fs-body); color: var(--text-secondary);
  max-width: 480px; margin: 0 auto 2.5rem; line-height: 1.8;
}
.lookbook-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.lookbook-item {
  position: relative; cursor: pointer;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: all var(--transition);
}
.lookbook-item:hover { background: var(--bg-alt); }
.lookbook-img {
  aspect-ratio: 3/4; overflow: hidden; position: relative;
  background: var(--bg);
}
.lookbook-img img {
  width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.lookbook-item:hover .lookbook-img img { transform: scale(1.03); }
/* 去掉暗色遮罩 */
.lookbook-overlay { display: none; }
.lookbook-info {
  padding: 1rem 1.25rem 1.35rem; text-align: left;
  border-top: 1px solid var(--line); background: var(--bg);
  transition: background var(--transition);
}
.lookbook-item:hover .lookbook-info { background: var(--bg-alt); }
.lookbook-line {
  font-family: var(--font-display); font-size: 0.625rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-tertiary); margin-bottom: 0.3rem;
}
.lookbook-name {
  font-family: var(--font-display); font-size: var(--fs-small);
  letter-spacing: 0.08em; font-weight: 500;
  color: var(--text); text-transform: uppercase;
}
.fp-cta-wrap { margin-top: 2.5rem; }
.btn-pimpan {
  display: inline-block; padding: 0.85rem 2.5rem;
  background: transparent; color: var(--text); border: 1px solid var(--text);
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer;
  transition: all 0.35s ease;
}
.btn-pimpan:hover { background: #000; color: #fff; }

/* ==========================================================================
   Section 3: NEW ARRIVALS / 草本预览
   ========================================================================== */
.section-arrivals { flex-direction: column; background: var(--bg-alt); }
.herbs-preview-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  max-width: 800px; margin: 0 auto 2.5rem;
}
.herb-preview-card {
  text-align: center; cursor: pointer; padding: 1.5rem 1rem;
  transition: transform 0.4s ease;
}
.herb-preview-card:hover { transform: translateY(-4px); }
.herb-preview-img {
  width: 80px; height: 80px; margin: 0 auto 1rem;
  background: var(--bg); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; border: 1px solid var(--line);
  transition: border-color var(--transition);
}
.herb-preview-card:hover .herb-preview-img { border-color: var(--brand); }
.herb-preview-img img { width: 60%; height: 60%; }
.herb-preview-name {
  font-family: var(--font-display); font-size: var(--fs-small);
  letter-spacing: 0.06em; color: var(--text); margin-bottom: 0.25rem;
}
.herb-preview-tag {
  font-size: var(--fs-tiny); color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

/* ==========================================================================
   Section 3: 专家顾问团队
   ========================================================================== */
.section-experts { flex-direction: column; background: var(--bg); }
.experts-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  max-width: 900px; margin: 0 auto 2.5rem;
}
.expert-card {
  text-align: center; padding: 2rem 1rem;
  border: 1px solid var(--line); transition: all var(--transition);
}
.expert-card:hover { border-color: var(--text); transform: translateY(-2px); }
.expert-avatar {
  width: 64px; height: 64px; margin: 0 auto 1rem;
  border-radius: 50%; background: var(--bg-alt);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.expert-card:hover .expert-avatar { border-color: var(--brand); background: var(--brand-pale); }
.expert-initial {
  font-family: var(--font-display); font-size: 1.4rem; color: var(--brand);
}
.expert-name {
  font-family: var(--font-display); font-size: var(--fs-body);
  letter-spacing: 0.06em; margin-bottom: 0.25rem;
}
.expert-title {
  font-size: var(--fs-tiny); color: var(--text-tertiary); letter-spacing: 0.04em;
}

/* ==========================================================================
   Section 4: BRAND PHILOSOPHY
   ========================================================================== */
.section-philosophy { flex-direction: column; background: var(--bg); }
.philosophy-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
  max-width: 900px; margin: 0 auto 2.5rem; text-align: center;
}
.phil-block { padding: 2rem 1.5rem; }
.phil-num {
  font-family: var(--font-display); font-size: 3.5rem; font-weight: 400;
  color: var(--text); opacity: 0.08; line-height: 1; margin-bottom: 0.75rem;
}
.phil-title {
  font-family: var(--font-display); font-size: var(--fs-body);
  font-weight: 400; letter-spacing: 0.08em; margin-bottom: 0.75rem;
}
.phil-text {
  font-size: var(--fs-small); color: var(--text-secondary);
  line-height: 1.9;
}

/* ==========================================================================
   Section 5: 底部大字静态展示
   ========================================================================== */
.footer-marquee {
  width: 100%; padding: 2rem 0 1.5rem;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.section-footer-marquee {
  min-height: auto; flex-direction: column; padding: 0;
  background: var(--bg); overflow: hidden;
}
.marquee-bg { width: 100%; padding: 2rem 0; border-top: 1px solid var(--line); }
.marquee-track {
  display: block;
  width: 100%; overflow: hidden;
}
/* 每个字母等分宽度，整体自适应撑满页面 */
.marquee-content { display: flex; flex-wrap: nowrap; width: 100%; }
.marquee-letter {
  font-family: 'Arial Black', 'Arial', sans-serif; font-size: clamp(3rem, 12vw, 14rem); font-weight: 900;
  line-height: 1; color: transparent;
  -webkit-text-stroke: 1.5px var(--text);
  text-stroke: 1.5px var(--text);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  cursor: pointer; user-select: none;
  position: relative;
  flex: 1 1 0%;
  text-align: center;
}
.marquee-letter::before {
  content: attr(data-letter);
  position: absolute; top: 0; left: 0; width: 100%;
  color: var(--brand); overflow: hidden;
  height: 0; transition: height 0.5s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  -webkit-text-stroke: 0;
  text-stroke: 0;
}
.marquee-letter:hover::before { height: 100%; }
.marquee-letter:hover {
  color: var(--brand);
  -webkit-text-stroke: 1.5px var(--brand);
}

/* ==========================================================================
   Pimpan 页脚（对标图5 — 全屏延展细线分隔 + 订阅表单）
   ========================================================================== */
.footer-pimpan { border-top: 1px solid var(--text); }
.footer-main { padding: 4rem 0 3rem; }
.footer-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
.footer-col {
  padding: 0 2rem;
  border-right: 1px solid var(--line);
}
.footer-col:last-child { border-right: none; }
.footer-col h4 {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.18em; text-transform: uppercase;
  font-weight: 400; margin-bottom: 1.25rem; color: var(--text);
}
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  font-size: var(--fs-small); color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--brand); }
.footer-text { font-size: var(--fs-small); color: var(--text-tertiary); }
.footer-sub-desc { font-size: var(--fs-small); color: var(--text-secondary); margin-bottom: 1rem; line-height: 1.7; }
.footer-social { display: flex; gap: 1.5rem; margin-top: 1rem; }
.footer-social-link {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.15em; color: var(--text-secondary);
  cursor: pointer; transition: color var(--transition);
}
.footer-social-link:hover { color: var(--brand); }

/* 邮件订阅表单（对标PIMPAN图5） */
.footer-subscribe-form {
  display: flex; flex-direction: column; gap: 0.6rem;
}
.footer-sub-input {
  width: 100%; padding: 0.65rem 0.85rem;
  font-family: var(--font-sans); font-size: var(--fs-small);
  color: var(--text); background: transparent;
  border: 1px solid var(--line);
  outline: none; transition: border-color var(--transition);
  letter-spacing: 0.02em;
}
.footer-sub-input::placeholder { color: var(--text-tertiary); opacity: 0.7; }
.footer-sub-input:focus { border-color: var(--text); }
.footer-sub-btn {
  width: 100%; padding: 0.7rem 1rem;
  background: #000; color: #fff; border: 1px solid #000;
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.15em; text-transform: uppercase;
  cursor: pointer; transition: all 0.3s ease;
}
.footer-sub-btn:hover { background: var(--brand); border-color: var(--brand); }

/* 底部版权条 — 全宽横线 */
.footer-bottom-bar {
  border-top: 1px solid var(--line); padding: 1.5rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.75rem;
}
.footer-bottom-bar p { font-size: var(--fs-tiny); color: var(--text-tertiary); letter-spacing: 0.04em; }
.footer-disclaimer { font-size: 0.625rem !important; }

/* ==========================================================================
   百草堂 · 配方材料库
   ========================================================================== */
.library-filter-group {
  display: flex; align-items: baseline; gap: 1rem;
  margin-bottom: 1rem; padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-light);
}
.library-filter-label {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-tertiary); flex-shrink: 0; min-width: 3rem;
}
.library-filter-tabs {
  display: flex; gap: 0.4rem; flex-wrap: wrap;
}
.library-filter-tab {
  padding: 0.3rem 0.9rem; font-size: var(--fs-small);
  color: var(--text-secondary); background: none; border: 1px solid var(--line-light);
  cursor: pointer; transition: all var(--transition);
  font-family: inherit;
}
.library-filter-tab:hover { color: var(--text); border-color: var(--text); }
.library-filter-tab.active { color: var(--brand); border-color: var(--brand); background: var(--brand-pale); }

.library-result-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin: 1.25rem 0 2rem;
}
.library-result-count { font-size: var(--fs-tiny); color: var(--text-tertiary); }
.library-reset-btn {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-secondary);
  background: none; border: none; cursor: pointer; transition: color var(--transition);
}
.library-reset-btn:hover { color: var(--text); }

.library-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.library-card {
  background: var(--bg); border: 1px solid var(--line);
  cursor: pointer; transition: all var(--transition);
  overflow: hidden;
  animation: fadeInUp .45s ease both;
}
.library-card:nth-child(1) { animation-delay: .04s; }
.library-card:nth-child(2) { animation-delay: .08s; }
.library-card:nth-child(3) { animation-delay: .12s; }
.library-card:nth-child(4) { animation-delay: .16s; }
.library-card:nth-child(5) { animation-delay: .20s; }
.library-card:nth-child(6) { animation-delay: .24s; }
.library-card:nth-child(7) { animation-delay: .28s; }
.library-card:nth-child(8) { animation-delay: .32s; }
.library-card:nth-child(9) { animation-delay: .36s; }
.library-card:nth-child(10) { animation-delay: .40s; }
.library-card:nth-child(11) { animation-delay: .44s; }
.library-card:nth-child(12) { animation-delay: .48s; }
.library-card:hover { border-color: var(--text); transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,.07); }
.library-card-img {
  aspect-ratio: 3/4; background: var(--bg-alt);
  display: flex; align-items: center; justify-content: center; padding: 1.5rem;
}
.library-card-img img { width: 60%; height: auto; transition: transform 0.5s ease; }
.library-card:hover .library-card-img img { transform: scale(1.08); }
.library-card-body { padding: 1rem 1.1rem 1.25rem; border-top: 1px solid var(--line-light); }
.library-card-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 0.65rem; gap: 0.5rem;
}
.library-card-name {
  font-family: var(--font-display); font-size: var(--fs-body); font-weight: 500;
  letter-spacing: 0.06em; color: var(--text);
}
.library-card-latin {
  font-size: 0.625rem; color: var(--text-tertiary);
  font-style: italic; white-space: nowrap;
}
.library-card-meta { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.75rem; }
.library-badge {
  font-size: 0.6rem; padding: 0.2rem 0.6rem; border-radius: 3px;
  letter-spacing: 0.06em; font-weight: 500;
}
.badge-property { color: #fff; background: #2d5a27; }
.badge-function { color: #3a5068; background: #e8eef4; }
.library-card-origin {
  display: flex; gap: 0.4rem; font-size: 0.6875rem; line-height: 1.5;
  background: var(--bg-alt); padding: 0.55rem 0.65rem; border-radius: 4px;
  margin-top: 0.5rem;
}
.origin-label { color: var(--text-tertiary); flex-shrink: 0; font-weight: 500; }
.origin-text { color: var(--text-secondary); }

@media (max-width: 1024px) {
  .library-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .library-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .library-filter-group { flex-direction: column; gap: 0.5rem; }
  .library-filter-tab { padding: 0.25rem 0.65rem; font-size: 0.6875rem; }
}
@media (max-width: 480px) {
  .library-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   四大医圣
   ========================================================================== */
/* 四大医圣卡片（全屏网格 — 线条延展至屏幕边缘，图片撑满） */
.sages-fullscreen {
  width: 100%;
}
.sages-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  width: 100%;
}
.sage-card {
  position: relative; cursor: pointer; background: var(--bg);
  border: 1px solid var(--line);
  border-right: none;
  border-bottom: none;
  transition: all var(--transition);
}
/* 第一行卡片：加顶边 */
.sage-card:nth-child(-n+2) { border-top: 1px solid var(--line); }
/* 最右列卡片：加右边框 */
.sage-card:nth-child(2n) { border-right: 1px solid var(--line); }
/* 最底行卡片：加底边框 */
.sage-card:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
.sage-card:hover, .sage-card.active { background: var(--bg-alt); }

/* 图片占位区（全屏撑满 — 高占比竖向大图） */
.sage-card-visual {
  aspect-ratio: 3/4; overflow: hidden; position: relative;
  background: var(--bg-alt);
}
.sage-card-visual img {
  width: 100%; height: 100%; object-fit: cover;
  display: block; transition: transform 0.6s ease;
}
.sage-card:hover .sage-card-visual img { transform: scale(1.04); }

/* 文字信息区 — 左对齐，与产品卡一致 */
.sage-card-info {
  padding: 1.25rem 1rem 1rem; text-align: left;
  position: relative;
}
.sage-card-name {
  font-family: var(--font-display); font-size: var(--fs-body);
  letter-spacing: 0.06em; color: var(--text);
  margin-bottom: 0.25rem; line-height: 1.4;
}
.sage-card-title {
  font-size: var(--fs-small); color: var(--text-secondary);
  letter-spacing: 0.03em; line-height: 1.55;
  margin-bottom: 0.4rem;
}
.sage-card-arrow {
  position: absolute; right: 1rem; bottom: 1.15rem;
  color: var(--text-tertiary); transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.sage-card:hover .sage-card-arrow,
.sage-card.active .sage-card-arrow {
  transform: translateX(4px); color: var(--brand);
}

/* 详情展开区 */
.sage-detail {
  display: none; padding: 3rem 2rem 2rem; margin-bottom: 2rem;
  border: 1px solid var(--line); position: relative;
  animation: fadeSlideIn .5s ease;
}
.sage-detail.open { display: block; }
@keyframes fadeSlideIn { from { opacity:0; transform: translateY(-12px); } to { opacity:1; transform: translateY(0); } }
.sage-detail-close {
  position: absolute; top: 1rem; right: 1rem; width: 32px; height: 32px;
  border: 1px solid var(--line); background: var(--bg); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.sage-detail-close:hover { border-color: var(--text); transform: rotate(90deg); }
.sage-detail-header {
  display: flex; align-items: center; gap: 1.25rem; margin-bottom: 2rem;
  padding-bottom: 1.5rem; border-bottom: 1px solid var(--line);
}
.sage-detail-avatar {
  width: 72px; height: 72px; border-radius: 50%; flex-shrink: 0;
  background: var(--brand-pale); border: 1px solid var(--brand);
  display: flex; align-items: center; justify-content: center;
}
.sage-detail-avatar span {
  font-family: var(--font-display); font-size: 1.8rem; color: var(--brand);
}
.sage-detail-name {
  font-family: var(--font-display); font-size: var(--fs-h1);
  font-weight: 400; letter-spacing: .06em; margin-bottom: .15rem;
}
.sage-detail-title {
  font-size: var(--fs-small); color: var(--text-secondary); letter-spacing: .04em;
}
.sage-section {
  margin-bottom: 1.5rem; padding-left: .5rem; border-left: 1px solid var(--line-light);
}
.sage-section-title {
  font-family: var(--font-display); font-size: var(--fs-body);
  font-weight: 400; letter-spacing: .08em; margin-bottom: .5rem;
  color: var(--text);
}
.sage-section-text {
  font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.9;
}
.sage-books {
  font-size: var(--fs-small); color: var(--text); line-height: 1.9;
}
.sage-formulas {
  display: flex; flex-wrap: wrap; gap: .5rem;
}
.sage-formula-tag {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: .06em; padding: .3rem .85rem;
  border: 1px solid var(--brand); color: var(--brand);
}

@media (max-width: 768px) {
  .sages-grid { grid-template-columns: 1fr; }
  .sage-card { border: 1px solid var(--line); border-bottom: none; }
  .sage-card:last-child { border-bottom: 1px solid var(--line); }
  .sage-card:nth-child(2n) { border-right: none; }
  .sage-card-visual { aspect-ratio: 3/4; }
  .sage-card-info { padding: 1rem 0.85rem 0.95rem; }
  .sage-detail { padding: 2rem 1rem 1.5rem; }
  .sage-detail-header { flex-direction: column; text-align: center; }
}

/* ==========================================================================
   科研文献中心
   ========================================================================== */

/* 筛选标签栏 */
.science-tabs {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.science-tab {
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  padding: 0.75rem 0.5rem;
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-secondary); cursor: pointer;
  background: none; border: none; position: relative;
  white-space: nowrap; transition: color var(--transition);
}
.science-tab::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px;
  background: var(--text); transform: scaleX(0); transition: transform var(--transition);
}
.science-tab:hover { color: var(--text); }
.science-tab.active { color: var(--text); }
.science-tab.active::after { transform: scaleX(1); }

/* 标签计数 */
.science-tab-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 20px; padding: 0 5px;
  border-radius: 10px;
  font-size: .6rem; line-height: 1;
  background: var(--bg-alt); color: var(--text-tertiary);
  transition: all var(--transition);
}
.science-tab.active .science-tab-count {
  background: var(--text); color: #fff;
}

/* 结果计数条 */
.science-result-bar {
  display: flex; align-items: center; justify-content: flex-end;
  margin-bottom: 1.5rem;
}
.science-result-text {
  font-size: var(--fs-tiny); color: var(--text-tertiary);
  letter-spacing: .04em;
}

/* 网格 */
.science-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.science-card {
  background: var(--bg); border: 1px solid var(--line-light);
  border-radius: 8px; overflow: hidden;
  display: flex; flex-direction: column;
  transition: all var(--transition);
  animation: fadeInUp .5s ease both;
}
.science-card:nth-child(1) { animation-delay: .05s; }
.science-card:nth-child(2) { animation-delay: .12s; }
.science-card:nth-child(3) { animation-delay: .19s; }
.science-card:nth-child(4) { animation-delay: .26s; }
.science-card:nth-child(5) { animation-delay: .33s; }
.science-card:nth-child(6) { animation-delay: .40s; }
.science-card:nth-child(7) { animation-delay: .47s; }
.science-card:nth-child(8) { animation-delay: .54s; }
.science-card:nth-child(9) { animation-delay: .61s; }
.science-card:hover {
  border-color: var(--text);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,.07);
}

/* 封面 */
.science-card-cover {
  aspect-ratio: 3/4; background: var(--bg-alt); position: relative;
  overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.science-card-cover img {
  width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease;
}
.science-card:hover .science-card-cover img { transform: scale(1.05); }
.science-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--bg-alt) 0%, #eef2ee 100%);
}

/* 类别徽章 (封面左上角) */
.science-badge {
  position: absolute; top: .75rem; left: .75rem;
  font-family: var(--font-display); font-size: .6rem;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .25rem .7rem; border-radius: 3px;
  font-weight: 500; box-shadow: 0 2px 6px rgba(0,0,0,.15);
}

/* 卡片内容区 */
.science-card-body {
  padding: 1.1rem 1.1rem .75rem;
  flex: 1; display: flex; flex-direction: column;
}
.science-card-source {
  font-size: .6rem; color: var(--text-tertiary);
  letter-spacing: .06em; text-transform: uppercase;
  margin-bottom: .4rem;
}
.science-card-title {
  font-family: var(--font-display); font-size: var(--fs-body);
  font-weight: 500; letter-spacing: .04em; margin-bottom: .5rem;
  line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.science-card-abstract {
  font-size: var(--fs-small); color: var(--text-secondary);
  line-height: 1.65; margin-bottom: .75rem; flex: 1;
}

/* 标签行 */
.science-card-tags {
  display: flex; flex-wrap: wrap; gap: .4rem;
}
.science-tag {
  display: inline-block;
  font-size: .6rem; padding: .15rem .55rem; border-radius: 3px;
  letter-spacing: .04em;
  border: 1px solid var(--line-light);
  color: var(--text-secondary);
}
.science-tag-cat      { background: #f0f6f0; border-color: #c8dcc8; color: #3a5a3a; }
.science-tag-journal  { background: #f0f4f8; border-color: #c0d0e0; color: #3a5068; }
.science-tag-data     { background: #f8f4f0; border-color: #d8c8b0; color: #6b5530; }
.science-tag-trend    { background: #f8f0f4; border-color: #d8b8c4; color: #683a50; }
.science-tag-clinical { background: #f4f4f0; border-color: #c8c4b8; color: #4a4a3a; }

/* 底部操作栏 */
.science-card-footer {
  border-top: 1px solid var(--line-light);
  padding: .75rem 1.1rem;
  display: flex; gap: .5rem;
  background: var(--bg-alt);
}
.science-btn-download {
  flex: 1;
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .55rem 1rem;
  font-family: var(--font-display); font-size: .65rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: #fff; background: var(--text);
  border-radius: 4px; text-decoration: none;
  transition: all var(--transition);
}
.science-btn-download:hover {
  background: var(--brand); color: #fff;
  transform: translateY(-1px);
}
.science-btn-open {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  padding: .55rem .9rem;
  font-family: var(--font-display); font-size: .65rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--text); background: transparent;
  border: 1px solid var(--line); border-radius: 4px;
  text-decoration: none;
  transition: all var(--transition);
}
.science-btn-open:hover {
  border-color: var(--text); background: var(--bg);
  transform: translateY(-1px);
}
.science-btn-disabled {
  flex: 1;
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .55rem 1rem;
  font-family: var(--font-display); font-size: .65rem;
  letter-spacing: .08em;
  color: var(--text-tertiary); background: var(--bg-alt);
  border-radius: 4px; cursor: default;
}

/* 空状态 */
.science-empty {
  text-align: center; padding: 4rem 2rem; display: none;
}
.science-empty svg { margin-bottom: 1rem; opacity: .5; }
.science-empty p {
  font-size: var(--fs-body); color: var(--text-tertiary);
  letter-spacing: .04em;
}

/* 合规声明 */
.science-disclaimer {
  max-width: 680px; margin: 4rem auto 0; text-align: center;
}
.science-disclaimer p {
  font-size: .75rem; color: var(--text-tertiary); line-height: 1.8;
}

/* 隐藏/显示动画 */
.science-card[style*="display: none"] { display: none !important; }

/* science 卡片入场动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
  .science-grid { grid-template-columns: repeat(2, 1fr); }
  .science-tab { padding: 0.65rem 1.1rem; }
}
@media (max-width: 600px) {
  .science-grid { grid-template-columns: 1fr; }
  .science-tabs { grid-template-columns: repeat(3, 1fr); }
  .science-tab { padding: 0.55rem .5rem; font-size: .6rem; }
  .science-card-footer { flex-direction: column; }
}

/* ==========================================================================
   模态框（草本详情）
   ========================================================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2500;
  background: rgba(0,0,0,0.4); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 2rem;
  opacity: 0; visibility: hidden; transition: opacity var(--transition), visibility var(--transition);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
  background: var(--bg); max-width: 720px; width: 100%;
  max-height: 85vh; overflow-y: auto;
  display: grid; grid-template-columns: 1fr 1fr;
  transform: translateY(20px); transition: transform var(--transition);
}
.modal-overlay.open .modal-box { transform: translateY(0); }
.modal-close {
  position: absolute; top: 1rem; right: 1rem; z-index: 5;
  width: 32px; height: 32px; background: var(--bg);
  border: 1px solid var(--line); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { border-color: #000; transform: rotate(90deg); }
.modal-img {
  background: var(--bg-alt); display: flex; align-items: center;
  justify-content: center; padding: 2rem; min-height: 260px;
}
.modal-img svg { width: 70%; }
.modal-content { padding: 2rem 1.75rem; }
.modal-latin {
  font-size: var(--fs-tiny); letter-spacing: 0.08em;
  color: var(--text-tertiary); font-style: italic; margin-bottom: 0.25rem;
}
.modal-name {
  font-family: var(--font-display); font-size: var(--fs-h1);
  font-weight: 400; letter-spacing: 0.06em; margin-bottom: 0.25rem;
}
.modal-alias {
  font-size: var(--fs-small); color: var(--text-secondary); margin-bottom: 1.25rem;
}
.modal-tags { display: flex; gap: 0.5rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.modal-tag {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.08em; padding: 0.25rem 0.75rem;
  border: 1px solid var(--brand); color: var(--brand);
}
/* 性味：每个字独立方框 */
.modal-tag-char {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.2rem; height: 2.2rem; padding: 0;
  font-size: var(--fs-small); letter-spacing: 0.04em;
}
.modal-section { margin-bottom: 1rem; }
.modal-section-label {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-tertiary); margin-bottom: 0.3rem;
}
.modal-section-text { font-size: var(--fs-small); color: var(--text); line-height: 1.8; }
.modal-efficacy { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line-light); }
.eff-row { display: flex; gap: 0.75rem; margin-bottom: 0.35rem; }
.eff-label {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.1em; color: var(--text-tertiary); flex-shrink: 0; width: 2.5rem;
}
.eff-text { font-size: var(--fs-small); color: var(--text); }
.modal-disclaimer {
  font-size: 0.625rem; color: var(--text-tertiary); line-height: 1.6;
  margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line-light);
}

/* ==========================================================================
   产品/分类页头部
   ========================================================================== */
.page-header {
  padding: 7rem 2rem 3rem; text-align: center;
  border-top: var(--line-width) solid var(--line);
}
/* 移动端：内页头部和内容区保留左右安全边距 */
@media (max-width: 768px) {
  .page-header { padding: 5rem 1.25rem 2rem; }
  .about-story { padding: 0 1.25rem; }
}
.page-header .section-label { margin-bottom: 0.75rem; }
.page-header h1 {
  font-family: var(--font-display); font-size: var(--fs-h1);
  font-weight: 400; letter-spacing: 0.08em; margin-bottom: 0.75rem;
}
.page-header p { color: var(--text-secondary); max-width: 480px; margin: 0 auto; line-height: 1.8; }
.page-header-line { width: 40px; height: 2px; background: var(--brand); margin: 1.25rem auto 0; }

/* 兼容旧容器 */
.container { max-width: var(--container); margin: 0 auto; padding: 0 2rem; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 2rem; }
.section { padding: 3.5rem 0; }
.section-sm { padding: 3rem 0; }
.section-label {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-tertiary);
}
.section-title {
  font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 400;
  letter-spacing: 0.08em; line-height: 1.4;
}
.section-title::after {
  content: ''; display: block; width: 40px; height: 2px;
  background: var(--brand); margin-top: 1rem;
}
.section-title.center::after { margin-left: auto; margin-right: auto; }
.green-line { width: 100%; height: 1px; background: var(--text); opacity: 0.12; }
.green-line-thick { height: 2px; }
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.text-brand { color: var(--brand); }

/* 按钮 */
.btn-line {
  display: inline-block; padding: 0.75rem 2rem;
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-secondary); border: 1px solid var(--line);
  background: transparent; cursor: pointer; transition: all var(--transition);
}
.btn-line:hover { color: var(--text); border-color: var(--text); }

/* 产品卡片 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.product-card {
  background: var(--bg-card); border: 1px solid var(--line); overflow: hidden;
  cursor: pointer; transition: transform var(--transition), border-color var(--transition);
}
.product-card:hover { transform: translateY(-4px); border-color: var(--text); }
.product-card-img { aspect-ratio: 3/4; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; padding: 2rem; }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card-img svg { width: 50%; }
.product-card-body { padding: 1.25rem 1.25rem 1.5rem; border-top: 1px solid var(--line-light); }
.product-card-line {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand); margin-bottom: 0.35rem;
}
.product-card-name { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 400; margin-bottom: 0.6rem; }
.product-card-tech { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.7; margin-bottom: 0.6rem; }
.product-card-value { font-size: var(--fs-small); color: var(--text-tertiary); line-height: 1.7; }
.product-card-detail {
  display: inline-block; margin-top: 0.75rem;
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-secondary); border-bottom: 1px solid var(--line);
  padding-bottom: 2px; transition: all var(--transition);
}
.product-card:hover .product-card-detail { color: var(--text); border-color: var(--text); }

/* 分类标签 */
.category-tabs { display: flex; justify-content: center; gap: 0; margin-bottom: 3rem; border-bottom: 1px solid var(--line); }
.category-tab {
  padding: 0.75rem 2rem; font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-secondary);
  cursor: pointer; background: none; border: none; position: relative; transition: color var(--transition);
}
.category-tab::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 2px;
  background: var(--text); transform: scaleX(0); transition: transform var(--transition);
}
.category-tab:hover { color: var(--text); }
.category-tab.active { color: var(--text); }
.category-tab.active::after { transform: scaleX(1); }
.category-panel { display: none; animation: fadeIn 0.4s ease; }
.category-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* 草本卡片网格（统一展示，支持4/2/1列切换） */
.herb-grid { display: grid; gap: 1.25rem; transition: all 0.4s ease; }
.herb-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.herb-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.herb-grid.cols-1 { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
.herb-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.herb-grid.cols-6 { grid-template-columns: repeat(6, 1fr); gap: 1rem; }
.herb-card {
  cursor: pointer; background: var(--bg);
  animation: fadeInUp .4s ease both;
}
.herb-card:nth-child(1) { animation-delay: .03s; }
.herb-card:nth-child(2) { animation-delay: .07s; }
.herb-card:nth-child(3) { animation-delay: .11s; }
.herb-card:nth-child(4) { animation-delay: .15s; }
.herb-card:nth-child(5) { animation-delay: .19s; }
.herb-card:nth-child(6) { animation-delay: .23s; }
.herb-card:nth-child(7) { animation-delay: .27s; }
.herb-card:nth-child(8) { animation-delay: .31s; }
.herb-card:nth-child(9) { animation-delay: .35s; }
.herb-card:nth-child(10) { animation-delay: .39s; }
.herb-card:nth-child(11) { animation-delay: .43s; }
.herb-card:nth-child(12) { animation-delay: .47s; }
/* 边框完全由统一的 .shop-card 体系控制 */
.herb-card-img { aspect-ratio: 3/4; background: var(--bg); display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.herb-card-img img { width: 65%; height: auto; transition: transform 0.5s ease; }
.herb-card:hover .herb-card-img img { transform: scale(1.06); }
/* info区边框由 .shop-card-info 统一提供 */
.herb-card-info { padding: 0.85rem 1.25rem 1rem; }
.herb-card-name { font-family: var(--font-display); font-size: var(--fs-small); font-weight: 500; margin-bottom: 0.25rem; color: var(--text); }
.herb-card-tags { font-size: var(--fs-tiny); color: var(--text-tertiary); letter-spacing: 0.06em; display: flex; gap: 0.4rem; align-items: center; }
.herb-card-tags .sep { color: var(--line); }

/* 筛选/工具 */
.filter-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); flex-wrap: wrap; gap: 1rem; }
.filter-tabs { display: flex; gap: 1.5rem; }
.filter-tab {
  font-family: var(--font-display); font-size: var(--fs-tiny); letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-secondary); cursor: pointer;
  background: none; border: none; padding: 0.25rem 0; position: relative;
  transition: color var(--transition);
}
.filter-tab::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0; height: 1px;
  background: var(--text); transform: scaleX(0); transition: transform var(--transition);
}
.filter-tab:hover { color: var(--text); }
.filter-tab.active { color: var(--text); }
.filter-tab.active::after { transform: scaleX(1); }
.result-count {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  color: var(--text-tertiary); letter-spacing: 0.06em;
}

/* 双芯结构 */
.dual-core { display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: stretch; margin: 3rem 0; }
.core-block { padding: 2rem; background: var(--bg-card); border: 1px solid var(--line); text-align: center; transition: border-color var(--transition); }
.core-block:hover { border-color: var(--text); }
.core-block .core-label { font-family: var(--font-display); font-size: var(--fs-tiny); letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand); margin-bottom: 0.5rem; }
.core-block .core-name { font-family: var(--font-display); font-size: var(--fs-body); font-weight: 400; margin-bottom: 0.35rem; }
.core-block .core-herbs { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.8; margin: 0.75rem 0; }
.core-block .core-desc { font-size: var(--fs-small); color: var(--text-tertiary); line-height: 1.7; }
.core-divider { display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: var(--fs-h2); color: var(--brand); width: 32px; }

/* 三站疗愈 */
.rd-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2.5rem 0; }
.rd-value { padding: 2rem; border: 1px solid var(--line); transition: border-color var(--transition); }
.rd-value:hover { border-color: var(--text); }
.rd-value .val-num { font-family: var(--font-display); font-size: 1.5rem; color: var(--brand); opacity: 0.3; margin-bottom: 0.5rem; }
.rd-value .val-title { font-family: var(--font-display); font-size: var(--fs-body); font-weight: 400; margin-bottom: 0.35rem; }
.rd-value .val-desc { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.7; }

/* 团队 */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.team-card { text-align: center; padding: 1.5rem 1rem; cursor: default; transition: transform var(--transition); }
.team-card:hover { transform: translateY(-4px); }
.team-avatar { width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 1rem; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 1.5rem; color: var(--brand); background: var(--bg-alt); border: 1px solid var(--line); }
.team-card:hover .team-avatar { border-color: var(--text); }
.team-name { font-family: var(--font-display); font-size: var(--fs-small); font-weight: 400; margin-bottom: 0.2rem; }
.team-title { font-size: var(--fs-tiny); color: var(--text-tertiary); margin-bottom: 0.5rem; }
.team-bio { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.6; opacity: 0; transform: translateY(6px); transition: all var(--transition); max-width: 200px; margin: 0 auto; }
.team-card:hover .team-bio { opacity: 1; transform: translateY(0); }

/* 文化 */
.culture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin: 2.5rem 0; }
.culture-block { padding: 2rem 1.75rem; border-left: 2px solid var(--text); background: var(--bg-card); }
.culture-block .culture-label { font-family: var(--font-display); font-size: var(--fs-tiny); letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand); margin-bottom: 0.5rem; }
.culture-block .culture-title { font-family: var(--font-display); font-size: var(--fs-body); font-weight: 400; margin-bottom: 0.75rem; }
.culture-block .culture-text { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.9; }

/* 关于 */
.about-story { max-width: 640px; margin: 0 auto; }
.about-story p { color: var(--text-secondary); line-height: 2.2; margin-bottom: 1.25rem; }
.about-story p:first-of-type::first-letter { font-family: var(--font-display); font-size: 2.5em; float: left; line-height: 1; margin: 0.08em 0.12em 0 0; color: var(--brand); }
.about-contact { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line-light); display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 640px; margin-left: auto; margin-right: auto; }
.contact-item .contact-label { font-family: var(--font-display); font-size: var(--fs-tiny); letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-tertiary); margin-bottom: 0.35rem; }
.contact-item .contact-value { font-size: var(--fs-body); color: var(--text); }

/* 结语 */
.conclusion { text-align: center; max-width: 560px; margin: 0 auto; padding: 3rem 1.5rem; }
.conclusion-text { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 400; line-height: 2; color: var(--text-secondary); margin-bottom: 1rem; }
.conclusion-note { font-size: var(--fs-small); color: var(--text-tertiary); line-height: 1.7; }

/* 预览介绍 */
.preview-intro { text-align: center; margin-bottom: 2.5rem; }
.preview-intro p { color: var(--text-secondary); max-width: 480px; margin: 1rem auto 0; line-height: 1.8; }

/* ==========================================================================
   Pimpan 风格产品列表页
   ========================================================================== */
.shop-container {
  max-width: var(--container); margin: 0 auto; padding: 0 2rem 4rem;
  position: relative;
}
/* 全宽顶线（仅当网格在容器内时使用；网格已移出后由 shop-grid-fullscreen 承担） */
.shop-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 1.75rem; }
.shop-title {
  font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 400;
  letter-spacing: 0.12em; color: var(--text);
}
.layout-toggle { display: flex; align-items: center; gap: 0.6rem; }
.layout-label {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.15em; color: var(--text-tertiary);
}
.layout-btn {
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--line); cursor: pointer;
  font-family: var(--font-display); font-size: 0.6875rem; color: var(--text-secondary);
  transition: all var(--transition);
}
.layout-btn:hover { border-color: var(--text); color: var(--text); }
.layout-btn.active { background: var(--text); color: #fff; border-color: var(--text); }

/* 类型筛选（PIMPAN极简风格 — 纯文字标签行 + 全宽黑线底线） */
.shop-filter-bar {
  display: flex; align-items: center;
  max-width: var(--container); margin: 0 auto; /* 文字与居中导航栏对齐 */
  padding: 0.5rem 2rem 1rem;
  position: relative;
}
/* 全宽黑线底线（突破居中容器约束，连接导航栏到底部网格） */
.shop-filter-bar::after {
  content: ''; position: absolute;
  bottom: 0;
  left: calc((100vw - 100%) / -2);
  right: calc((100vw - 100%) / -2);
  height: 0; border-bottom: var(--line-width) solid #000;
}
.type-tabs { display: flex; gap: 2rem; }
.type-tab, .herb-tab {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-secondary); background: none; border: none; cursor: pointer;
  position: relative; padding: 0.35rem 0; transition: color var(--transition);
}
.type-tab::after, .herb-tab::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1.5px;
  background: var(--text); transform: scaleX(0); transition: transform var(--transition);
}
.type-tab:hover, .herb-tab:hover { color: var(--text); }
.type-tab.active, .herb-tab.active { color: var(--text); }
.type-tab.active::after, .herb-tab.active::after { transform: scaleX(1); }

/* 产品网格（对标PIMPAN图2 — 全屏延展 + 大图+品名大写左对齐+细线分隔） */
.shop-grid-fullscreen {
  width: 100%;
  flex: 1; /* 自动填充所有剩余空间到屏幕底部 */
  border-bottom: 1px solid var(--line); /* 闭合网格底线，对齐页脚顶线 */
  /* 无 border-top — 顶线由第一行卡片提供，与上方筛选栏黑线无缝衔接 */
}

/* ===== PIMPAN极简页面布局：筛选 → 黑线 → 居中标题 → 全屏网格撑满到底 ===== */

/* 页面容器（避开固定导航栏 + 撑满剩余视口） */
.shop-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* 固定导航栏高度约56px(1rem*2+内容)，加额外间距 */
  padding-top: 5.5rem;
}
.shop-section > .shop-container:first-child {
  flex-shrink: 0;
}

/* 居中大标题（PIMPAN风格：筛选黑线下方、居中、大字细体） */
.shop-page-title {
  font-family: var(--font-display);
  font-size: calc(var(--font-scale) * clamp(1.8rem, 4vw, 3.4rem));
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--text);
  text-align: center;
  padding: 2rem 0 2.5rem;
}
.shop-grid {
  display: grid; gap: 0;
  transition: all 0.4s ease;
}
.shop-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.shop-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.shop-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.shop-grid.cols-1 { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }

/* 草本库 3 列：黑线通到屏幕边缘（首行顶线 / 第 3n 列去右边线 / 末行去底线） */
.shop-grid.cols-3 .shop-card:nth-child(-n+3) { border-top: 1px solid var(--line); }
.shop-grid.cols-3 .shop-card:nth-child(3n) { border-right: none; }
.shop-grid.cols-3 .shop-card:last-child,
.shop-grid.cols-3 .shop-card:nth-last-child(-n+3):nth-child(n+4) { border-bottom: none; }

.shop-card {
  position: relative; cursor: pointer; background: var(--bg);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: all var(--transition);
}
/* 第一行卡片加顶边框 */
.shop-grid.cols-4 .shop-card:nth-child(-n+4),
.shop-grid.cols-2 .shop-card:nth-child(-n+2),
.shop-grid.cols-1 .shop-card { border-top: 1px solid var(--line); }
/* 最右列卡片：去掉右边框（由容器边框替代） */
.shop-grid.cols-4 .shop-card:nth-child(4n),
.shop-grid.cols-2 .shop-card:nth-child(2n) { border-right: none; }
/* 最后一行卡片：去下边框 */
.shop-card:last-child,
.shop-card:nth-last-child(-n+4):nth-child(n+5) { border-bottom: none; }
/* cols-2 最后一行 */
.shop-grid.cols-2 .shop-card:last-child,
.shop-grid.cols-2 .shop-card:nth-last-child(-n+2):nth-child(n+3) { border-bottom: none; }
.shop-grid.cols-1 .shop-card { border: 1px solid var(--line); border-bottom: none; }
.shop-grid.cols-1 .shop-card:last-child { border-bottom: 1px solid var(--line); }
.shop-card:hover { background: var(--bg-alt); }

/* 网格占位符（填充最后一行空位，保持边框完整） */
.shop-card-placeholder {
  cursor: default;
  pointer-events: none;
}
.shop-card-placeholder > * {
  display: none; /* 隐藏所有子元素 */
}

.shop-card-img {
  aspect-ratio: 3/4; overflow: hidden; position: relative;
  background: var(--bg);
}
.shop-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.shop-card:hover .shop-card-img img { transform: scale(1.03); }

/* NEW 标签 */
.new-badge {
  position: absolute; top: 0.75rem; left: 0.75rem; z-index: 2;
  font-family: var(--font-display); font-size: 0.625rem; font-weight: 400;
  letter-spacing: 0.15em; color: #fff; background: var(--text);
  padding: 0.2rem 0.55rem;
}

/* hover 效果：去掉暗色遮罩，改用微妙的边框/背景变化 */
.shop-card-hover { display: none; }
.shop-card-info {
  padding: 1rem 1.25rem 1.35rem;
  text-align: left;
  border-top: 1px solid var(--line);
}
.shop-card-type {
  font-family: var(--font-display); font-size: 0.625rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-tertiary);
  margin-bottom: 0.3rem;
}
.shop-card-name {
  font-family: var(--font-display); font-size: var(--fs-small);
  font-weight: 500; letter-spacing: 0.08em; color: var(--text);
  text-transform: uppercase;
}
/* 草本库卡片专用样式（对标PIMPAN图3 简洁展示） */
.herb-card .shop-card-img {
  aspect-ratio: 3/4; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.herb-layer-badge {
  display: none;
}
.shop-card-latin {
  font-size: 0.6875rem; color: var(--text-tertiary);
  font-style: italic; margin-top: 0.15rem; line-height: 1.4;
}

.shop-empty {
  text-align: center; padding: 4rem 2rem; color: var(--text-tertiary);
  font-family: var(--font-display); font-size: var(--fs-body); letter-spacing: 0.08em;
}
.shop-disclaimer {
  text-align: center; padding-top: 3rem; margin-top: 3rem;
  border-top: 1px solid var(--line-light);
  font-size: var(--fs-tiny); color: var(--text-tertiary); line-height: 1.8;
}

/* ==========================================================================
   产品详情页（PIMPAN 全屏风格 — 固定导航栏 + 左右分栏）
   布局：固定顶栏(导航+关闭) | 内容区(左图轮播 | 右侧滚动详情)
   ========================================================================== */
.product-modal-overlay {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw; height: 100vh;
  z-index: 3000;
  background: #fff;
  overflow: hidden;
  --nav-h: 60px; /* 顶部导航栏高度，用于图片区高度计算（避免被遮挡） */
}
.product-modal-overlay.show {
  display: flex;
  flex-direction: column;
}

/* ---- 固定顶部导航栏（对标 PIMPAN 顶部导航）---- */
.product-detail-nav {
  flex-shrink: 0;
  height: 60px;
  border-bottom: var(--line-width) solid #000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(255,255,255,0.97);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  z-index: 10;
}
.pdn-left {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}
.pdn-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.25em;
  color: var(--text);
  text-decoration: none;
}
.pdn-links {
  display: flex;
  gap: 2rem;
}
.pdn-link {
  font-family: var(--font-display);
  font-size: var(--fs-tiny);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  transition: all var(--transition);
  position: relative;
}
.pdn-link:hover { color: var(--text); }
.pdn-link::after {
  content: ''; position: absolute; bottom: 0; left: 0.75rem; right: 0.75rem;
  height: 1.5px; background: var(--text); transform: scaleX(0);
  transition: transform var(--transition);
}
.pdn-link:hover::after { transform: scaleX(1); }

.pdn-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.pdn-close {
  width: 36px; height: 36px;
  background: none; border: 1px solid var(--line);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; line-height: 1;
  transition: all var(--transition);
  color: var(--text);
}
.pdn-close:hover { border-color: #000; background: #000; color: #fff; }

/* ---- 内容区（左右分栏，占据剩余高度）---- */
.product-modal-box {
  background: var(--bg);
  flex: 1;
  min-height: 0; /* 关键：允许flex子项缩小到小于内容尺寸 */
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  width: 100%;
}

/* 左：图片区（原生滚轮滚动，隐藏滚动条，scroll-snap吸附对齐） */
.pm-visual {
  position: relative;
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-snap-type: y mandatory;
  scrollbar-width: none; /* Firefox 隐藏滚动条 */
  -ms-overflow-style: none; /* IE/Edge 隐藏滚动条 */
  background: var(--bg-alt);
  border-right: 1px solid var(--line);
}
/* Chrome/Safari 隐藏滚动条 */
.pm-visual::-webkit-scrollbar { display: none; }
/* 滚动容器（每张图占满一屏高度，依次排列） */
.pm-gallery-track {
  display: flex;
  flex-direction: column;
  width: 100%;
}
/* 每张幻灯片 —— 占满可视滚动区高度 + snap 吸附（顶部贴导航栏下方，不被遮挡） */
.pm-gallery-slide {
  width: 100%;
  height: calc(100vh - var(--nav-h));
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  scroll-snap-align: start;
  flex-shrink: 0;
}
/* 图片锁定 3:4，在框内完整铺满（框与图同比例，故 cover 即无裁切） */
.pm-gallery-slide img {
  display: block;
  height: 100%;
  width: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

/* 右：信息面板（PIMPAN v3 — 顶部固定 + 底部独立滚动） */
.pm-detail {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0; /* 关键：允许flex子项缩小 */
  overflow: hidden;
}

/* ---- 标题区（固定不动，不随鼠标滚轮移动）—— 对标 PIMPAN TANK TOP + €70 ---- */
.pm-detail-header {
  padding: 3rem 4rem 1.5rem;
  flex-shrink: 0; /* 不被压缩，始终可见 */
}
.pm-detail-header-inner {
  display: flex; justify-content: space-between; align-items: flex-start;
}
.pm-detail-line {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.pm-detail-name {
  font-family: var(--font-display); font-size: clamp(2rem, 3.2vw, 3.4rem);
  font-weight: 300; letter-spacing: 0.04em;
  color: var(--text); line-height: 1.15;
}
.pm-detail-ref {
  font-family: var(--font-display); font-size: var(--fs-small);
  letter-spacing: 0.1em; color: var(--text-secondary);
  white-space: nowrap; flex-shrink: 0;
  padding-top: 0.25rem;
}
.pm-detail-tech {
  font-size: var(--fs-body); color: var(--text-secondary); line-height: 1.85;
}

/* ---- 描述区（简洁文字，无边框，对标PIMPAN描述行） ---- */
.pm-detail-desc {
  padding: 1.25rem 4rem 0;
  font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.9;
  flex-shrink: 0; /* 固定不滚动 */
}

/* ---- 折叠面板滚动容器（独立滚动区） ---- */
.pm-detail-body {
  flex: 1; overflow-y: auto; /* 占据剩余空间，独立滚动 */
  padding: 0;
  -webkit-overflow-scrolling: touch;
}
.pm-detail-body::-webkit-scrollbar { width: 3px; }
.pm-detail-body::-webkit-scrollbar-track { background: transparent; }
.pm-detail-body::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }

/* 场景/价值文字块（在折叠面板之前） */
.pm-detail-scene {
  padding: 1.5rem 4rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-small); color: var(--text-tertiary); line-height: 1.85;
}
.accordion {
  border-bottom: 1px solid var(--line);
}
.accordion:last-child { border-bottom: none; }
.accordion-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 4rem; cursor: pointer; user-select: none;
  transition: color var(--transition);
}
.accordion-header:hover { color: var(--brand); }
.accordion-title {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text);
}
.accordion-icon {
  width: 18px; height: 18px; position: relative; transition: transform 0.35s ease;
  flex-shrink: 0;
}
.accordion-icon::before,
.accordion-icon::after {
  content: ''; position: absolute; background: currentColor;
  transition: transform 0.35s ease;
}
.accordion-icon::before { top: 8px; left: 0; right: 0; height: 1px; }
.accordion-icon::after { top: 0; bottom: 0; left: 8px; width: 1px; }
.accordion.open .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0; overflow: hidden; transition: max-height 0.45s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}
.accordion.open .accordion-body { max-height: 500px; }
.accordion-content {
  padding: 0 4rem 1.5rem; font-size: var(--fs-small);
  color: var(--text-secondary); line-height: 1.9;
}

/* 场景/价值文字块（在折叠面板之前） */
.pm-detail-scene {
  padding: 1.5rem 4rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-small); color: var(--text-tertiary); line-height: 1.85;
}
.pm-section-label {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-tertiary); margin-bottom: 0.4rem;
}
.pm-section-text { font-size: var(--fs-small); color: var(--text-secondary); line-height: 1.85; }

/* 规格表 */
.pm-specs-grid {
  display: grid; grid-template-columns: auto 1fr;
  gap: 0.35rem 1.5rem; font-size: var(--fs-small);
}
.pm-specs-grid .spec-label { color: var(--text-tertiary); letter-spacing: 0.04em; }
.pm-specs-grid .spec-value { color: var(--text); }

/* ---- 底部 CTA 按钮（在滚动区底部 — 对标 PIMPAN Add to cart） ---- */
.pm-detail-footer {
  padding: 2rem 4rem 2.5rem;
  border-top: 1px solid var(--line);
  text-align: center;
  flex-shrink: 0;
}
.pm-detail-cta {
  display: inline-block; width: 100%;
  padding: 1.25rem 2.5rem;
  background: #000; color: #fff; border: none;
  font-family: var(--font-display); font-size: clamp(0.85rem, 1vw, 1.05rem);
  letter-spacing: 0.2em; text-transform: uppercase; cursor: pointer;
  transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.pm-detail-cta:hover { background: var(--brand); border-color: var(--brand); }

/* 折叠面板 */
.accordion { border-bottom: 1px solid var(--line-light); }
.accordion-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.15rem 4rem; cursor: pointer; user-select: none;
  transition: color var(--transition);
}
.accordion-header:hover { color: var(--brand); }
.accordion-title {
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.accordion-icon {
  width: 20px; height: 20px; position: relative; transition: transform 0.35s ease;
  flex-shrink: 0;
}
.accordion-icon::before,
.accordion-icon::after {
  content: ''; position: absolute; background: currentColor;
  transition: transform 0.35s ease;
}
.accordion-icon::before { top: 9px; left: 0; right: 0; height: 1.5px; }
.accordion-icon::after { top: 0; bottom: 0; left: 9px; width: 1.5px; }
.accordion.open .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0; overflow: hidden; transition: max-height 0.45s cubic-bezier(0.25, 0.8, 0.25, 1.2);
}
.accordion.open .accordion-body { max-height: 600px; }
.accordion-content {
  padding: 0 4rem 1.5rem; font-size: var(--fs-small);
  color: var(--text-secondary); line-height: 1.9;
}

/* 规格表 */
.pm-specs-grid {
  display: grid; grid-template-columns: auto 1fr;
  gap: 0.3rem 1.5rem; font-size: var(--fs-small);
}
.pm-specs-grid .spec-label { color: var(--text-tertiary); letter-spacing: 0.04em; }
.pm-specs-grid .spec-value { color: var(--text); }

/* 底部 CTA */
.pm-detail-footer {
  margin-top: auto; padding: 1.5rem 2rem 2rem; border-top: 1px solid var(--line-light);
  text-align: center;
}
.pm-detail-cta {
  display: inline-block; padding: 0.85rem 3rem;
  background: var(--text); color: #fff; border: 1px solid var(--text);
  font-family: var(--font-display); font-size: var(--fs-tiny);
  letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer;
  transition: all 0.35s ease;
}
.pm-detail-cta:hover { background: var(--brand); border-color: var(--brand); }

/* 滚动动画 */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* 加载更多 */
.load-more-wrap { text-align: center; margin-top: 2.5rem; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1024px) {
  .herb-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
  .herb-grid.cols-6 { grid-template-columns: repeat(4, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .lookbook-grid { grid-template-columns: repeat(2, 1fr); }
  .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
  .herbs-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .experts-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-pimpan-visual { grid-template-columns: 1fr; }
  .hero-visual-right { display: none; }
  .product-modal-body { grid-template-columns: 1fr; }
  .modal-box { grid-template-columns: 1fr; }

  /* Pimpan 产品列表 */
  .shop-container { padding: 3.5rem 1.25rem 3rem; }
  .shop-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .shop-title { font-size: 1.6rem; }
  .shop-filter-bar { flex-direction: column; align-items: flex-start; gap: 0.75rem; padding: 0.5rem 0 1rem; }
  .shop-page-title { padding-left: 1rem; padding-right: 1rem; }
  .type-tabs { gap: 1.25rem; }
  /* Pimpan 产品列表 — 平板2列保持细线分隔 */
  .shop-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .shop-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  /* 2列时：每第2个去掉右边框，最后行去底线 */
  .shop-grid.cols-4 .shop-card:nth-child(2n),
  .shop-grid.cols-2 .shop-card:nth-child(2n) { border-right: none; }
  .shop-grid.cols-4 .shop-card:nth-last-child(-n+2):nth-child(n+3),
  .shop-grid.cols-2 .shop-card:nth-last-child(-n+2):nth-child(n+3) { border-bottom: none; }
  .shop-grid.cols-1 { max-width: 100%; }

  /* lookbook 网格平板适配 */
  .lookbook-grid { grid-template-columns: repeat(2, 1fr); }
  /* 产品详情页 — 平板 */
  .product-detail-nav { height: 54px; padding: 0 1.5rem; }
  .pdn-links { gap: 1.5rem; }
  .pdn-logo { font-size: 1rem; letter-spacing: 0.2em; }
  .product-modal-box { grid-template-columns: 1fr; }
  .pm-visual { height: auto; max-height: 50vh; border-right: none; border-bottom: 1px solid var(--line); }
  .pm-gallery-slide { height: auto; aspect-ratio: 3 / 4; padding: 1.5rem; box-sizing: border-box; }
  .pm-gallery-slide img { width: 100%; height: 100%; max-height: none; max-width: none; aspect-ratio: auto; object-fit: cover; }
  .pm-detail { max-height: none; overflow-y: auto; } /* 移动端整体可滚动 */
  .pm-detail-body { flex: none; overflow-y: visible; } /* 嵌套在移动端不双重滚动 */
  .pm-detail-header { padding: 1.75rem 2rem 1.25rem; }
  .pm-detail-desc { padding: 1.25rem 2rem; }
  .pm-detail-scene { padding: 1rem 2rem; }
  .accordion-header { padding: 1rem 2rem; }
  .accordion-content { padding: 0 2rem 1rem; }
  .hb-info-block { padding: 1.25rem 2rem; }
  .hb-group-content { padding: 0 2rem 1rem; }
  .hb-modal-disclaimer { padding: 1.25rem 2rem 1.5rem; }
  .pm-detail-footer { padding: 1.25rem 2rem 1.5rem; }
  .nav-logo-center { margin: 0 2.5cm; }

}

@media (max-width: 768px) {
  /* 移动端导航 */
  .nav-inner { grid-template-columns: 1fr auto; padding: 0.75rem 1.25rem; }
  .nav-left, .nav-right { display: none; }
  .nav-logo-center { font-size: 1rem; letter-spacing: 0.15em; margin: 0; }
  .nav-toggle { display: flex; }

  /* 产品页：筛选栏与网格统一宽度（去水平内边距，与网格对齐） */
  .shop-filter-bar { padding: 0.5rem 0 1rem; }
  .shop-filter-bar.hb-filter-bar { justify-content: center; }
  .shop-page-title { padding-left: 1rem; padding-right: 1rem; }
  .hb-search-wrap { margin-bottom: 1.5rem; padding: 0 1rem; }
  .hb-search { font-size: 0.875rem; }
  .nav-mobile {
    display: flex; flex-direction: column;
    background: #ffffff;
    padding: 0 1.5rem 1.5rem; gap: 0.5rem;
    max-height: 0; overflow: hidden;
    opacity: 0;
    transition: max-height 0.45s cubic-bezier(0.25, 0.8, 0.25, 1.2),
                opacity 0.3s ease,
                padding 0.3s ease,
                gap 0.3s ease;
  }
  .nav-mobile.open {
    max-height: calc(100vh - 60px); /* 基于视口高度，避免被浏览器底部遮挡 */
    opacity: 1;
    padding: 0.5rem 1.5rem 1.5rem;
    gap: 0.25rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-mobile a {
    font-family: var(--font-display); font-size: 1.3rem; font-weight: 400;
    letter-spacing: 0.12em; text-transform: uppercase; color: var(--text);
    padding: 0.75rem 0; border-bottom: 1px solid var(--line-light);
  }
  .nav-mobile-zh {
    font-family: var(--font-sans); font-size: 0.6875rem; font-weight: 400;
    color: var(--brand); letter-spacing: 0.04em; text-transform: none;
    display: block; margin-top: 0.15rem;
  }
  .nav-mobile-lang {
    display: flex; align-items: center; justify-content: center;
    gap: 0.75rem; margin-top: auto; padding-top: 1.25rem;
    font-family: var(--font-display); font-size: 0.875rem;
    letter-spacing: 0.12em; text-transform: uppercase;
  }
  .nav-mobile-lang a {
    font-size: 0.875rem; padding: 0.35rem 0.6rem;
    border: 1px solid var(--line); color: var(--text-secondary);
    transition: all var(--transition);
  }
  .nav-mobile-lang a.active {
    background: var(--text); color: #fff; border-color: var(--text);
  }
  .nav-mobile-lang a:hover {
    background: var(--brand); color: #fff; border-color: var(--brand);
  }
  .nav-mobile-lang span { color: var(--line); }

  .container, .container-narrow { padding: 0 1.25rem; }
  .fp-inner { padding: 3rem 1.25rem; }

  /* Hero */
  .hero-pimpan-content { bottom: 5rem; padding: 0 1.5rem; }
  .hero-pimpan-title { font-size: 2.5rem; }
  .hero-pimpan-cta { padding: 0.75rem 2rem; }

  /* Grid */
  .herb-grid.cols-4, .herb-grid.cols-3, .herb-grid.cols-6 { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .product-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .lookbook-grid { grid-template-columns: repeat(2, 1fr); }
  .philosophy-grid { grid-template-columns: 1fr; }
  .herbs-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .rd-values { grid-template-columns: 1fr; }
  .culture-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .dual-core { grid-template-columns: 1fr; gap: 1rem; }
  .core-divider { width: 100%; height: 32px; }
  .about-contact { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-col { border-right: none; border-bottom: 1px solid var(--line); padding: 0 1.5rem 1.5rem; }
  .footer-col:last-child { border-bottom: none; }
  .footer-main { padding: 3rem 1.5rem 2rem; }
  .footer-bottom-bar { flex-direction: column; text-align: center; padding: 1.25rem 1.5rem; }
  /* 产品详情页 — 手机端 */
  .product-detail-nav { height: 50px; padding: 0 1rem; }
  .pdn-links { display: none; }
  .pdn-logo { font-size: 0.9rem; }
  .product-modal-box { grid-template-columns: 1fr; }
  .pm-visual { height: auto; max-height: 45vh; border-right: none; border-bottom: 1px solid var(--line); }
  .pm-gallery-slide { height: auto; aspect-ratio: 3 / 4; padding: 1rem; box-sizing: border-box; }
  .pm-detail { overflow-y: auto; }
  .pm-detail-body { flex: none; overflow-y: visible; }
  .pm-detail-header { padding: 1.5rem 1.75rem 1rem; }
  .pm-detail-desc { padding: 1rem 1.75rem; }
  .accordion-header { padding: 0.85rem 1.75rem; }
  .accordion-content { padding: 0 1.75rem 0.85rem; }
  .hb-info-block { padding: 1rem 1.75rem; }
  .hb-group-content { padding: 0 1.75rem 0.85rem; }
  .hb-modal-disclaimer { padding: 1rem 1.75rem 1.25rem; }
  .pm-detail-footer { padding: 1rem 1.75rem 1.5rem; }
  .category-tabs { overflow-x: auto; justify-content: flex-start; }
  .category-tab { padding: 0.6rem 1.25rem; white-space: nowrap; }
  .filter-bar { flex-direction: column; align-items: flex-start; }
  .filter-tabs { overflow-x: auto; width: 100%; }
  .marquee-letter { font-size: clamp(1.8rem, 10vw, 6rem); }
}

@media (max-width: 480px) {
  .herb-grid.cols-4, .herb-grid.cols-3, .herb-grid.cols-2, .herb-grid.cols-6 { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .lookbook-grid { grid-template-columns: 1fr; }
  .herbs-preview-grid { grid-template-columns: 1fr; }
  .hero-pimpan-title { font-size: 2rem; }
  .hero-pimpan-cta { padding: 0.7rem 1.6rem; font-size: 0.625rem; }
  /* 手机产品单列：恢复完整边框+间隙 */
  .shop-grid.cols-4, .shop-grid.cols-2 { grid-template-columns: 1fr; gap: 0; }
  .shop-grid.cols-4 .shop-card,
  .shop-grid.cols-2 .shop-card {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-top: none; border-left: none;
  }
  /* 单列时：每张卡片都有完整顶线（第一张由 shop-grid-fullscreen 提供），最后一张无底线 */
  .shop-grid.cols-4 .shop-card:first-child,
  .shop-grid.cols-2 .shop-card:first-child { border-top: none; }
  .shop-grid.cols-4 .shop-card:last-child,
  .shop-grid.cols-2 .shop-card:last-child { border-bottom: none; }
  .layout-toggle { display: none; }
  .type-tabs { gap: 1rem; }
  .type-tab, .herb-tab { font-size: 0.625rem; }
  .pm-visual { min-height: 28vh; }
  .modal-tag-char { width: 2rem; height: 2rem; }

  /* lookbook 手机单列 */
  .lookbook-item { border: 1px solid var(--line); }
}

/* ==========================================================================
   100 味中药材 · 本草全书（独立双语资料库）
   ========================================================================== */
.hb-section {
    max-width: var(--container);
    margin: 0 auto;
    padding: clamp(6rem, 10vh, 9rem) 2rem 4rem;
}
/* 草本页筛选栏：标签居中，与产品页保持一致 */
.shop-filter-bar.hb-filter-bar {
    justify-content: center;
}
/* 标题下方的居中搜索 */
.hb-search-wrap {
    text-align: center;
    margin-bottom: 2rem;
}
.hb-search {
    width: min(420px, 100%);
    border: none; border-bottom: 1px solid var(--text);
    background: transparent; padding: 0.6rem 0.2rem;
    font-family: var(--font-sans); font-size: 1rem; font-weight: 300;
    text-align: center; outline: none; color: var(--text);
    transition: border-color var(--transition);
}
.hb-search:focus { border-color: var(--brand); }
.hb-search::placeholder { color: var(--text-tertiary); }

.hb-sub {
    text-align: center; color: var(--text-secondary);
    max-width: 640px; margin: 0 auto 1.75rem;
}
.hb-tabs {
    display: flex; flex-wrap: wrap; justify-content: center;
    gap: 0.5rem 1.5rem; margin-bottom: 0.75rem;
}
.hb-tab {
    background: none; border: none; cursor: pointer;
    font-family: var(--font-display); font-size: var(--fs-tiny);
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--text-secondary); padding: 0.4rem 0; position: relative;
    transition: color var(--transition);
}
.hb-tab:hover, .hb-tab.active { color: var(--text); }
.hb-tab.active::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
    height: 1.5px; background: var(--brand);
}
.hb-count {
    text-align: center; font-size: var(--fs-tiny);
    color: var(--text-tertiary); margin-bottom: 1.5rem; letter-spacing: 0.06em;
}

/* 弹窗底部免责声明（始终展开，非折叠） */
.hb-modal-disclaimer {
    padding: 1.5rem 4rem 2.5rem;
    font-size: var(--fs-tiny); line-height: 1.8;
    color: var(--text-tertiary);
    border-top: 1px solid var(--line);
}

/* 弹窗：直接展开的核心信息块（默认可见，无需点击） */
.hb-info-block {
    padding: 1.5rem 4rem 1.5rem;
    border-bottom: 1px solid var(--line);
}
.hb-info-block:last-of-type { border-bottom: 1px solid var(--line); }
.hb-info-label {
    font-family: var(--font-display); font-size: var(--fs-tiny);
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--text-tertiary); margin-bottom: 0.6rem;
}
.hb-info-text {
    font-size: var(--fs-body); color: var(--text-secondary); line-height: 1.85;
}

/* 弹窗：折叠栏目内的分组子项 */
.hb-group-content { padding: 0 4rem 1.5rem; }
.hb-group-item { margin-bottom: 1.25rem; }
.hb-group-item:last-child { margin-bottom: 0; }
.hb-group-item-label {
    font-family: var(--font-display); font-size: var(--fs-small);
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--text-tertiary); margin-bottom: 0.35rem;
}
.hb-group-item-text {
    font-size: var(--fs-body); color: var(--text-secondary); line-height: 1.85;
}

/* 网格（细线分隔，等分） */
.hb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}
.hb-card {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    display: flex; flex-direction: column;
    transition: background var(--transition);
}
.hb-card:hover { background: var(--brand-pale); }
.hb-card-img {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--bg-soft);
}
.hb-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}
.hb-card:hover .hb-card-img img { transform: scale(1.03); }
.hb-card-info { padding: 1.25rem 1.25rem 1.5rem; }
.hb-card-name { font-size: 1.05rem; font-weight: 400; color: var(--text); }
.hb-card-latin { font-size: var(--fs-small); font-style: italic; color: var(--text-secondary); margin-top: 0.25rem; }
.hb-card-part { margin-top: 0.75rem; font-size: var(--fs-tiny); letter-spacing: 0.08em; color: var(--brand); }
.hb-card-origin { font-size: var(--fs-tiny); color: var(--text-tertiary); margin-top: 0.2rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.hb-empty { text-align: center; color: var(--text-tertiary); padding: 4rem 0; }
.hb-disclaimer {
    text-align: center; font-size: var(--fs-tiny); color: var(--text-tertiary);
    max-width: 680px; margin: 2.5rem auto 0; line-height: 1.7;
}

/* ── 详情弹窗（全屏分栏） ── */
.hb-modal-overlay {
    position: fixed; inset: 0; z-index: 2000; background: #fff;
    display: none; flex-direction: column;
}
.hb-modal-overlay.open { display: flex; }
.hb-modal-nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 2rem; border-bottom: var(--line-width) solid #000;
}
.hb-logo { font-family: var(--font-display); letter-spacing: 0.25em; font-size: 1.1rem; color: var(--text); }
.hb-close { background: none; border: none; cursor: pointer; color: var(--text); padding: 0.5rem; line-height: 0; }
.hb-close:hover { color: var(--brand); }
.hb-modal-box { flex: 1; display: grid; grid-template-columns: 1fr 1fr; min-height: 0; }
.hb-visual {
    position: relative;
    background: var(--brand-pale);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.hb-vis-img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}
.hb-vis-caption {
    position: absolute; z-index: 2; left: 0; right: 0; bottom: 0;
    padding: 1.5rem 2rem;
    background: linear-gradient(0deg, rgba(250,253,251,0.95) 0%, rgba(250,253,251,0.75) 60%, rgba(250,253,251,0) 100%);
    display: flex; flex-direction: column; align-items: flex-start;
}
.hb-vis-name {
    font-family: 'Noto Serif SC', serif; font-weight: 400;
    font-size: clamp(2rem, 4vw, 3.5rem); color: var(--text); line-height: 1.2;
    display: block; white-space: nowrap;
}
.hb-vis-tag {
    display: inline-block; margin-top: 0.6rem;
    padding: 0.25rem 0.9rem;
    border: 1px solid var(--brand); color: var(--brand);
    font-size: var(--fs-tiny); letter-spacing: 0.1em;
}
.hb-detail { overflow-y: auto; padding: 2.5rem 3rem; }
.hb-row {
    display: grid; grid-template-columns: 160px 1fr; gap: 1.5rem;
    padding: 0.9rem 0; border-bottom: 1px solid var(--line-light);
}
.hb-row-label {
    font-size: var(--fs-tiny); letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--text-tertiary); padding-top: 0.15rem;
}
.hb-row-val { font-size: var(--fs-body); line-height: 1.7; color: var(--text); }

@media (max-width: 768px) {
    .hb-modal-box { grid-template-columns: 1fr; }
    .hb-visual { min-height: 45vh; }
    .hb-vis-overlay { padding: 1.5rem; }
    .hb-vis-name { font-size: 2rem; }
    .hb-detail { padding: 1.5rem; }
    .hb-row { grid-template-columns: 1fr; gap: 0.25rem; }
    .hb-row-label { padding-top: 0; }
}

/* 草本库 3 列网格：平板 2 列、手机 1 列（黑线同步） */
@media (max-width: 1024px) {
    .shop-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
    .shop-grid.cols-3 .shop-card:nth-child(3n) { border-right: 1px solid var(--line); }
    .shop-grid.cols-3 .shop-card:nth-child(-n+3) { border-top: none; }
    .shop-grid.cols-3 .shop-card:nth-child(-n+2) { border-top: 1px solid var(--line); }
    .shop-grid.cols-3 .shop-card:nth-child(2n) { border-right: none; }
    .shop-grid.cols-3 .shop-card:nth-last-child(-n+3):nth-child(n+4) { border-bottom: 1px solid var(--line); }
    .shop-grid.cols-3 .shop-card:last-child,
    .shop-grid.cols-3 .shop-card:nth-last-child(-n+2):nth-child(n+3) { border-bottom: none; }
}
@media (max-width: 600px) {
    .shop-grid.cols-3 { grid-template-columns: 1fr; }
    .shop-grid.cols-3 .shop-card { border-right: none; border-bottom: 1px solid var(--line); }
    .shop-grid.cols-3 .shop-card:nth-child(-n+2) { border-top: none; }
    .shop-grid.cols-3 .shop-card:first-child { border-top: 1px solid var(--line); }
    .shop-grid.cols-3 .shop-card:last-child { border-bottom: none; }
}

/* ==========================================================================
   21日植愈计划 — 三列翻转卡片「植愈日历」
   视觉与交互延续 Herbarium（本草全书）极简网格 DNA：细线、留白、纤细字体。
   网格细线采用 gap + 外框方案，响应式切换列数时不产生双线。
   ========================================================================== */
.plan-section {
    padding-top: 5.5rem;   /* 让出固定导航栏高度 */
    padding-bottom: 4rem;
}
.plan-page-title {
    font-family: var(--font-display);
    font-size: calc(var(--font-scale) * clamp(1.8rem, 4vw, 3.4rem));
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--text);
    text-align: center;
    padding: 2rem 0 0.75rem;
}
.plan-page-sub {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--fs-small);
    max-width: 680px;
    margin: 0 auto 1.5rem;
    line-height: 1.9;
    padding: 0 1rem;
}
/* 三阶段图例 */
.plan-legend {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 0 auto 2.5rem;
    padding: 0 1rem;
}
.plan-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: var(--fs-tiny);
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}
.plan-legend-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--brand);
    opacity: 0.55;
}

/* 网格容器（外框 + 细线 gap） */
.plan-grid-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--line-width, 1px);
    background: var(--line);
    border: var(--line-width, 1px) solid var(--line);
    border-radius: var(--radius-lg, 0);
    overflow: hidden;
}

/* 单卡：3:4 竖版翻转容器（与全站草本库风格一致） */
.plan-card {
    position: relative;
    aspect-ratio: 3 / 4;
    background: var(--bg);
    cursor: pointer;
    perspective: 1400px;
    transition: background var(--transition);
}
.plan-card:hover { background: var(--bg-alt); }
.plan-card:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }

.plan-card-inner {
    position: absolute;
    inset: 0;
    transform-style: preserve-3d;
    transition: transform 0.65s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.plan-card.flipped .plan-card-inner { transform: rotateY(180deg); }

.plan-card-front,
.plan-card-back {
    position: absolute;
    inset: 0;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    padding: 1.25rem 1.4rem;
}
.plan-card-back {
    transform: rotateY(180deg);
    overflow-y: auto;
    background: var(--bg);
    scrollbar-width: none;       /* Firefox 隐藏滚动条 */
}
.plan-card-back::-webkit-scrollbar { display: none; }

/* —— 正面 —— */
.pc-top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}
.pc-day {
    font-family: var(--font-display);
    font-size: var(--fs-small);
    letter-spacing: 0.18em;
    color: var(--text);
}
.pc-phase {
    font-family: var(--font-display);
    font-size: var(--fs-tiny);
    letter-spacing: 0.15em;
    color: var(--text-tertiary);
}
.pc-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.7rem;
}
.pc-tone {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--brand);
}
.pc-action {
    font-size: var(--fs-small);
    letter-spacing: 0.22em;
    color: var(--text-secondary);
}
.pc-bottom {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: var(--font-display);
    font-size: var(--fs-tiny);
    letter-spacing: 0.12em;
    color: var(--text-secondary);
}
.pc-hint { color: var(--text-tertiary); }

/* —— 背面 —— */
.pcb-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-bottom: 0.65rem;
    margin-bottom: 0.7rem;
    border-bottom: 1px solid var(--line-light);
}
.pcb-day {
    font-family: var(--font-display);
    font-size: var(--fs-small);
    letter-spacing: 0.18em;
    color: var(--text);
}
.pcb-phase {
    font-family: var(--font-display);
    font-size: var(--fs-tiny);
    letter-spacing: 0.12em;
    color: var(--brand);
}
.pcb-block { margin-bottom: 0.9rem; }
.pcb-block-title {
    font-family: var(--font-display);
    font-size: var(--fs-tiny);
    letter-spacing: 0.1em;
    color: var(--text);
    margin-bottom: 0.45rem;
}
.pcb-row {
    display: flex;
    gap: 0.5rem;
    font-size: var(--fs-tiny);
    line-height: 1.7;
    margin-bottom: 0.2rem;
}
.pcb-k {
    flex: 0 0 2.4em;
    color: var(--text-tertiary);
    letter-spacing: 0.06em;
}
.pcb-v {
    flex: 1;
    color: var(--text-secondary);
}
.pcb-close {
    margin: 0.1rem 0 0.25rem;
    align-self: flex-start;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: var(--fs-tiny);
    letter-spacing: 0.12em;
    color: var(--text-tertiary);
    padding: 0;
}
.pcb-close:hover { color: var(--brand); }

.plan-disclaimer {
    text-align: center;
    padding-top: 3rem;
    margin-top: 3rem;
    border-top: 1px solid var(--line-light);
    font-size: var(--fs-tiny);
    color: var(--text-tertiary);
    line-height: 1.8;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* 平板：2 列 */
@media (max-width: 900px) {
    .plan-grid { grid-template-columns: repeat(2, 1fr); }
    .plan-grid-wrap { max-width: 720px; }
}
/* 手机：1 列 */
@media (max-width: 560px) {
    .plan-grid { grid-template-columns: 1fr; }
    .plan-grid-wrap { max-width: 420px; }
    .plan-page-sub { font-size: var(--fs-body); }
}