/* ==========================================================================
   素序 SUXU | 极简美学生活商城
   Design System: 浅橙背景 / 纯白无边框卡片 / 深灰字体 / 高留白现代化设计
   ========================================================================== */

:root {
  /* 基础主色盘: 浅橙淡雅背景 + 纯白卡片 + 深灰文字 + 柿橘点缀 */
  --bg-page: #FAF5F0;
  --bg-page-soft: #F5ECE4;
  --bg-card: #FFFFFF;
  --bg-card-subtle: #FDFBF8;
  --bg-accent-soft: #FCEEE6;

  --text-primary: #22262E;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;

  --accent-primary: #E2683B;
  --accent-hover: #D0582D;
  --accent-subtle: #FDF1EA;
  --accent-dark: #A83E1A;

  /* 阴影: 去边框后的温润环境漫射阴影 */
  --shadow-sm: 0 4px 16px -4px rgba(160, 95, 60, 0.04);
  --shadow-md: 0 10px 32px -8px rgba(160, 95, 60, 0.06), 0 4px 12px -4px rgba(160, 95, 60, 0.03);
  --shadow-lg: 0 20px 48px -12px rgba(160, 95, 60, 0.08), 0 6px 18px -4px rgba(160, 95, 60, 0.04);
  --shadow-hover: 0 24px 50px -10px rgba(160, 95, 60, 0.11);

  /* 几何规范 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;

  /* 动画曲线 */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Runtime-only additions keep the supplied SUXU layout while showing real states. */
.suxu-brand { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex-shrink: 1; }
.suxu-nav-links { min-width: 0; }
.suxu-nav-user-link span { display: inline-block; max-width: 128px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: bottom; }
.suxu-loading,.suxu-empty { grid-column: 1/-1; padding: 48px 24px; color: var(--text-secondary); text-align: center; background: var(--bg-card); border-radius: var(--radius-md); }
.suxu-image-placeholder { width: 100%; height: 100%; min-height: 160px; display: grid; place-items: center; color: var(--text-tertiary); background: var(--bg-page-soft); }
.suxu-product-desc { margin: 8px 0 0; color: var(--text-secondary); font-size: .86rem; line-height: 1.55; min-height: 40px; overflow: hidden; }
.suxu-pager { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 28px; color: var(--text-secondary); font-size: .88rem; }
.suxu-pager button { border: 0; border-radius: var(--radius-sm); padding: 7px 10px; cursor: pointer; background: var(--bg-card); color: var(--text-primary); }
.suxu-pager button:disabled { cursor: not-allowed; opacity: .42; }
.suxu-spec-group { width: 100%; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.suxu-spec-group .suxu-label { width: 100%; }
.suxu-cart-row { display: grid; grid-template-columns: 28px 72px minmax(120px,1fr) 104px 74px 44px; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--bg-page-soft); }
.suxu-cart-row img { width: 72px; height: 56px; border-radius: var(--radius-sm); object-fit: cover; background: var(--bg-page-soft); }
.suxu-cart-row a { color: var(--text-primary); text-decoration: none; font-weight: 600; }
.suxu-cart-row input[type=number] { width: 64px; padding: 7px; border: 0; background: var(--bg-page-soft); border-radius: var(--radius-sm); }
.suxu-cart-row button { border: 0; color: var(--accent-dark); background: transparent; cursor: pointer; }
@media (max-width: 760px) { .suxu-cart-row { grid-template-columns: 24px 56px 1fr 56px; } .suxu-cart-row span,.suxu-cart-row input,.suxu-cart-row button { grid-column: 3; } }

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-page);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* 布局网格与容器 */
.suxu-container {
  width: 100%;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}

@media (max-width: 768px) {
  .suxu-container {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* 顶部导航条 (严格三区契约: 品牌区 - 单行链接 - 单一操作区) */
.suxu-navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 245, 240, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.3s ease;
}

.suxu-navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: 84px;
}

/* 品牌字样: 单行文本元素，纯净无额外标签 */
.suxu-brand {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.suxu-brand .brand-sub {
  font-weight: 300;
  font-size: 1rem;
  color: var(--accent-primary);
  letter-spacing: 0.12em;
  margin-left: 2px;
}

/* 导航链接: 极简纯文字，带悬停微下划线，禁止药丸框 */
.suxu-nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.suxu-nav-item a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.suxu-nav-item a:hover {
  color: var(--text-primary);
}

.suxu-nav-item.active a {
  color: var(--text-primary);
  font-weight: 600;
}

.suxu-nav-item.active a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-primary);
  border-radius: 2px;
}

/* 右侧操作区 */
.suxu-nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.suxu-nav-user-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.suxu-nav-user-link:hover {
  color: var(--text-primary);
}

.suxu-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease-smooth), box-shadow 0.2s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.suxu-cart-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.suxu-cart-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-variant-numeric: tabular-nums;
}

/* 移动端汉堡切换 */
.suxu-mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-primary);
}

@media (max-width: 900px) {
  .suxu-nav-links {
    display: none;
  }
  .suxu-mobile-menu-btn {
    display: block;
  }
}

/* 移动端抽屉导航 */
.suxu-mobile-nav {
  display: none;
  position: fixed;
  top: 84px;
  left: 0;
  right: 0;
  background-color: var(--bg-card);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  z-index: 99;
  flex-direction: column;
  gap: 16px;
}

.suxu-mobile-nav.open {
  display: flex;
}

.suxu-mobile-nav a {
  font-size: 1.05rem;
  color: var(--text-primary);
  text-decoration: none;
  padding: 8px 0;
}

/* ==========================================================================
   现代化极简白卡片 (高留白、去边框、环境光柔影)
   ========================================================================== */
.suxu-card {
  background-color: var(--bg-card);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 36px;
  transition: transform 0.25s var(--ease-smooth), box-shadow 0.25s ease;
  overflow: hidden;
  position: relative;
}

.suxu-card:hover {
  box-shadow: var(--shadow-hover);
}

.suxu-card-compact {
  padding: 24px;
  border-radius: var(--radius-md);
}

.suxu-card-spacious {
  padding: 48px;
  border-radius: var(--radius-xl);
}

@media (max-width: 768px) {
  .suxu-card {
    padding: 24px;
    border-radius: var(--radius-md);
  }
  .suxu-card-spacious {
    padding: 28px;
  }
}

/* ==========================================================================
   排版规范 & 去药丸原则 (Anti-Slop Zero-Pill)
   ========================================================================== */
h1, h2, h3, h4, h5 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.25;
  text-wrap: balance;
}

.suxu-display-title {
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.2;
}

.suxu-section-title {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.suxu-section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: 8px;
  max-width: 600px;
}

/* 纯净无边框元数据 (禁止药丸框，用圆点或斜线间隔) */
.suxu-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.suxu-meta-divider {
  color: var(--text-tertiary);
  font-weight: 300;
}

/* 等宽数字与价格 */
.suxu-price {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--accent-primary);
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.suxu-price-sm {
  font-size: 1.05rem;
}

.suxu-price-lg {
  font-size: 1.85rem;
}

.suxu-currency {
  font-size: 0.8em;
  margin-right: 2px;
  font-weight: 600;
}

/* ==========================================================================
   按钮规范 (按压平滑响应，杜绝多层嵌套)
   ========================================================================== */
.suxu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s var(--ease-smooth);
}

.suxu-btn-primary {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(226, 104, 59, 0.28);
}

.suxu-btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(226, 104, 59, 0.38);
  transform: translateY(-2px);
}

.suxu-btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.suxu-btn-secondary:hover {
  background-color: var(--bg-card-subtle);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.suxu-btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
}

.suxu-btn-ghost:hover {
  color: var(--text-primary);
  background-color: var(--bg-accent-soft);
}

.suxu-btn-sm {
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
}

.suxu-btn-lg {
  font-size: 1.05rem;
  padding: 16px 36px;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   商品卡片组件 (Product Card)
   ========================================================================== */
.suxu-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

@media (max-width: 1024px) {
  .suxu-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .suxu-product-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.suxu-product-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--ease-smooth), box-shadow 0.25s ease;
  text-decoration: none;
  color: inherit;
  position: relative;
}

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

.suxu-product-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--bg-page-soft);
  overflow: hidden;
}

.suxu-product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-smooth);
}

.suxu-product-card:hover .suxu-product-thumb img {
  transform: scale(1.04);
}

.suxu-product-body {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.suxu-product-category {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 6px;
}

.suxu-product-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.35;
}

.suxu-product-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.suxu-product-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
}

.suxu-quick-add {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background-color: var(--bg-accent-soft);
  color: var(--accent-primary);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.suxu-quick-add:hover {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  transform: scale(1.08);
}

/* ==========================================================================
   交互分段按钮 / 筛选栏 (Segmented Filter Bar)
   ========================================================================== */
.suxu-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.suxu-filter-btn {
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.suxu-filter-btn:hover {
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
}

.suxu-filter-btn.active {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(226, 104, 59, 0.24);
}

/* ==========================================================================
   表单控件 (无边框轻柔拟态，高质感输入框)
   ========================================================================== */
.suxu-form-group {
  margin-bottom: 24px;
}

.suxu-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.suxu-input, .suxu-select, .suxu-textarea {
  width: 100%;
  background-color: var(--bg-page-soft);
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
}

.suxu-input:focus, .suxu-select:focus, .suxu-textarea:focus {
  background-color: #FFFFFF;
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.suxu-input::placeholder, .suxu-textarea::placeholder {
  color: var(--text-tertiary);
}

/* ==========================================================================
   Toast 通知组件
   ========================================================================== */
.suxu-toast-container {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.suxu-toast {
  pointer-events: auto;
  background-color: #FFFFFF;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-size: 0.92rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: toastIn 0.3s var(--ease-smooth);
}

.suxu-toast.toast-accent {
  border-left: 4px solid var(--accent-primary);
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   弹窗组件 (Modal)
   ========================================================================== */
.suxu-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(34, 38, 46, 0.45);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.suxu-modal-backdrop.active {
  display: flex;
}

.suxu-modal {
  background-color: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-width: 560px;
  width: 100%;
  padding: 40px;
  border: none;
  animation: modalScale 0.25s var(--ease-smooth);
  position: relative;
}

@keyframes modalScale {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.suxu-modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-tertiary);
  cursor: pointer;
  line-height: 1;
}

.suxu-modal-close:hover {
  color: var(--text-primary);
}

/* 数量加减微调器 */
.suxu-stepper {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-page-soft);
  border-radius: var(--radius-md);
  padding: 4px;
}

.suxu-stepper-btn {
  width: 32px;
  height: 32px;
  background-color: var(--bg-card);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: background-color 0.15s ease;
}

.suxu-stepper-btn:hover {
  background-color: var(--bg-card-subtle);
}

.suxu-stepper-value {
  width: 44px;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  border: none;
  background: transparent;
  color: var(--text-primary);
}

/* Runtime states obey native hidden semantics without changing the supplied design. */
[hidden]{display:none!important}
body>main{flex:1}
#detail-craft-desc,#detail-craft-desc *{max-width:100%;overflow-wrap:anywhere}
#detail-craft-desc img{height:auto;object-fit:contain}
#payment-runtime{display:block}

.suxu-brand{min-width:0;max-width:30%;overflow:hidden;text-overflow:ellipsis}
.suxu-article-nav details{position:relative}
.suxu-article-nav summary{cursor:pointer;white-space:nowrap;font-size:.95rem;color:var(--text-secondary);list-style:none}
.suxu-article-nav summary::-webkit-details-marker{display:none}
.suxu-article-links{position:absolute;top:100%;right:0;z-index:110;min-width:220px;max-width:320px;max-height:360px;overflow:auto;padding:16px;background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-md)}
.suxu-article-links a{display:block;white-space:normal;margin:6px 0;overflow-wrap:anywhere}