/*
Theme Name: Modbus Platform
Theme URI: https://www.modbus.cn
Author: Modbus CN
Author URI: https://www.modbus.cn
Description: 专业企业级工业物联网 WordPress 主题 — 为 Modbus 生态打造，简洁、现代、商业化。
Version: 1.0.1
License: Proprietary
Text Domain: modbus-platform
Domain Path: /languages
Requires at least: 5.8
Tested up to: 6.5
*/

/* ============================================================
   Modbus Platform Theme — Master Stylesheet
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Primary palette */
  --color-primary: #0a1628;
  --color-primary-light: #13203d;
  --color-primary-surface: #1a2f52;

  /* Accent */
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-light: #dbeafe;
  --color-accent-subtle: #eff6ff;

  /* Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Neutral / Surface */
  --color-bg: #f1f5f9;
  --color-bg-alt: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Text */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #94a3b8;
  --color-text-inverse: #ffffff;

  /* Typography — Chinese-first stack */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas, monospace;

  /* Spacing scale (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);

  /* Layout */
  --header-height: 68px;
  --content-max-width: 1200px;
  --content-narrow: 780px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* WordPress admin bar offset */
body.admin-bar {
  --header-offset: 32px;
}
body.admin-bar .site-header {
  top: 32px;
}

@media (max-width: 782px) {
  body.admin-bar {
    --header-offset: 46px;
  }
  body.admin-bar .site-header {
    top: 46px;
  }
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin-bottom: var(--space-4); }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-accent-hover);
}

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

ul, ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

blockquote {
  border-left: 4px solid var(--color-accent);
  background: var(--color-accent-subtle);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-secondary);
}

code {
  font-family: var(--font-mono);
  background: var(--color-primary-light);
  color: #e2e8f0;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.875em;
}

pre {
  background: var(--color-primary);
  color: #e2e8f0;
  padding: var(--space-6);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-6);
}
pre code {
  background: none;
  padding: 0;
  color: inherit;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: var(--content-narrow);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 24px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn--outline:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.btn--light {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.btn--light:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.btn--lg {
  padding: 14px 32px;
  font-size: 1.0625rem;
}

.btn--sm {
  padding: 6px 16px;
  font-size: 0.8125rem;
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-accent-light);
}

.card__body {
  padding: var(--space-6);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* --- Section --- */
.section {
  padding: var(--space-20) 0;
}
.section--dark {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.section--dark h1, .section--dark h2, .section--dark h3 {
  color: var(--color-text-inverse);
}
.section--alt {
  background: var(--color-bg-alt);
}

.section__title {
  text-align: center;
  margin-bottom: var(--space-3);
}
.section__subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-12);
  font-size: 1.0625rem;
}

/* --- Grid Layouts --- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 992px) {
  .grid--4, .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* --- Utility --- */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-secondary); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- WordPress Core Classes --- */
.alignnone { margin: var(--space-4) var(--space-5) var(--space-5) 0; }
.aligncenter { display: block; margin: var(--space-4) auto; }
.alignright { float: right; margin: var(--space-4) 0 var(--space-5) var(--space-5); }
.alignleft { float: left; margin: var(--space-4) var(--space-5) var(--space-5) 0; }

.wp-caption {
  max-width: 100%;
  margin-bottom: var(--space-6);
}
.wp-caption-text {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  text-align: center;
  margin-top: var(--space-2);
}

.screen-reader-text {
  border: 0; clip: rect(1px,1px,1px,1px);
  clip-path: inset(50%);
  height: 1px; margin: -1px;
  overflow: hidden; padding: 0;
  position: absolute; width: 1px;
  word-wrap: normal !important;
}

/* --- Clearfix --- */
.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

/* ============================================================
   Header Actions: Search, Cart, User Menu
   ============================================================ */

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* Search toggle */
.header-search-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.header-search-toggle:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* Search dropdown */
.header-search-dropdown {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-primary-light);
  padding: var(--space-6) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 99;
}
.header-search-dropdown.active {
  display: block;
  animation: menuFadeIn var(--transition-fast) ease;
}

/* Search form */
.search-form {
  display: flex;
  gap: 0;
  max-width: 600px;
  margin: 0 auto;
}
.search-form__label {
  flex: 1;
}
.search-form__input {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 2px solid rgba(255,255,255,0.15);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  background: rgba(255,255,255,0.08);
  color: #fff;
  outline: none;
  transition: border-color var(--transition-fast);
}
.search-form__input::placeholder {
  color: rgba(255,255,255,0.4);
}
.search-form__input:focus {
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.12);
}
.search-form__submit {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Cart icon */
.header-cart-icon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: rgba(255,255,255,0.7);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}
.header-cart-icon:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.header-cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  border-radius: var(--radius-full);
}

/* User menu */
.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.user-menu__trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.user-menu__trigger:hover {
  background: rgba(255,255,255,0.1);
}
.user-menu__avatar {
  display: flex;
  align-items: center;
}
.user-menu__avatar-img {
  border-radius: var(--radius-full);
  width: 28px;
  height: 28px;
}
.user-menu__name {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 500;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-menu__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 160px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  z-index: 100;
}
.user-menu:hover .user-menu__dropdown {
  display: block;
}
.user-menu__dropdown a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.user-menu__dropdown a:hover {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* ============================================================
   Post Navigation
   ============================================================ */

.post-nav {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.post-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.post-nav__item:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-sm);
}
.post-nav__label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
}
.post-nav__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-nav__next {
  text-align: right;
}

/* ============================================================
   Search Results Page
   ============================================================ */

.search-no-results .search-form {
  max-width: 500px;
  margin: var(--space-6) auto 0;
}
.search-no-results .search-form__input {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}
.search-no-results .search-form__input::placeholder {
  color: var(--color-text-tertiary);
}
.search-no-results .search-form__input:focus {
  border-color: var(--color-accent);
}

/* ============================================================
   WooCommerce Integration Overrides
   ============================================================ */

/* Product grid inside our layout */
.woocommerce ul.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin: 0;
  padding: 0;
}
.woocommerce ul.products::before,
.woocommerce ul.products::after {
  display: none;
}
.woocommerce ul.products li.product {
  float: none;
  width: 100%;
  margin: 0;
  padding: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}
.woocommerce ul.products li.product:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-accent-light);
}
.woocommerce ul.products li.product .woocommerce-loop-product__title {
  padding: var(--space-3) var(--space-4) 0;
  font-size: 1rem;
  font-weight: 600;
}
.woocommerce ul.products li.product .price {
  padding: 0 var(--space-4) var(--space-4);
  color: var(--color-accent);
  font-weight: 600;
}
.woocommerce ul.products li.product .button {
  margin: 0 var(--space-4) var(--space-4);
}

/* Product page layout */
.woocommerce div.product {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

/* WooCommerce messages */
.woocommerce-message,
.woocommerce-info,
.woocommerce-error {
  background: var(--color-surface) !important;
  border-radius: var(--radius-md);
}

/* Shop / archive pagination */
.woocommerce-pagination {
  margin-top: var(--space-8);
}

/* Cart page */
.woocommerce-cart-form,
.cart-collaterals {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

/* Checkout */
.woocommerce-checkout .col2-set,
.woocommerce-checkout #order_review {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

/* My Account */
.woocommerce-MyAccount-navigation ul {
  list-style: none;
  padding: 0;
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.woocommerce-MyAccount-navigation ul li {
  border-bottom: 1px solid var(--color-border-light);
}
.woocommerce-MyAccount-navigation ul li:last-child {
  border-bottom: none;
}
.woocommerce-MyAccount-navigation ul li a {
  display: block;
  padding: var(--space-3) var(--space-5);
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}
.woocommerce-MyAccount-navigation ul li.is-active a,
.woocommerce-MyAccount-navigation ul li a:hover {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* Responsive: WooCommerce */
@media (max-width: 992px) {
  .woocommerce ul.products {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .woocommerce ul.products {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Accessibility
   ============================================================ */

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

.skip-to-content:focus {
  clip: auto;
  clip-path: none;
  height: auto;
  width: auto;
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 100000;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn--outline:hover {
  background: var(--color-accent);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.btn--sm {
  padding: var(--space-1) var(--space-4);
  font-size: 0.8125rem;
}
.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1.0625rem;
}

/* ============================================================
   User Menu Dropdown
   ============================================================ */

.user-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.user-menu--guest {
  gap: var(--space-2);
}

.user-menu__trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  transition: background var(--transition-fast);
  cursor: pointer;
}
.user-menu__trigger:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.user-menu__avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
}
.user-menu__avatar-img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
}

.user-menu__name {
  font-size: 0.875rem;
  font-weight: 500;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu__arrow {
  opacity: 0.5;
  transition: transform var(--transition-fast);
}

.user-menu__dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  z-index: 200;
  margin-top: var(--space-2);
}
.user-menu:hover .user-menu__dropdown {
  display: block;
  animation: menuFadeIn 0.15s ease;
}

.user-menu__dropdown a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
  white-space: nowrap;
}
.user-menu__dropdown a:hover {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.user-menu__badge {
  background: var(--color-error);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: var(--radius-full);
  padding: 0 4px;
}

.user-menu__divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-1) 0;
}

/* ============================================================
   Header Search Dropdown
   ============================================================ */

.header-search-toggle {
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
}
.header-search-toggle:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.header-search-dropdown {
  display: none;
  background: rgba(10,22,40,0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-6) 0;
}
.header-search-dropdown.active {
  display: block;
}

.header-search-dropdown .search-form {
  display: flex;
  gap: var(--space-3);
  max-width: 600px;
  margin: 0 auto;
}
.header-search-dropdown .search-form input[type="search"] {
  flex: 1;
  padding: var(--space-3) var(--space-5);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 1rem;
}
.header-search-dropdown .search-form input[type="search"]::placeholder {
  color: rgba(255,255,255,0.4);
}
.header-search-dropdown .search-form input[type="search"]:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.15);
}
.header-search-dropdown .search-form button {
  padding: var(--space-3) var(--space-6);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
}
.header-search-dropdown .search-form button:hover {
  background: var(--color-accent-hover);
}

/* ============================================================
   WooCommerce — 全局
   ============================================================ */

.woocommerce .container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Product grid */
.woocommerce ul.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  list-style: none;
  padding: 0;
  margin: 0;
}

.woocommerce ul.products li.product {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}
.woocommerce ul.products li.product:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-accent-light);
}

.woocommerce ul.products li.product img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.woocommerce ul.products li.product .woocommerce-loop-product__title {
  font-size: 1rem;
  font-weight: 600;
  padding: var(--space-3) var(--space-4) 0;
  margin: 0;
}
.woocommerce ul.products li.product .woocommerce-loop-product__title a {
  color: var(--color-text-primary);
}
.woocommerce ul.products li.product .woocommerce-loop-product__title a:hover {
  color: var(--color-accent);
}

.woocommerce ul.products li.product .price {
  padding: var(--space-2) var(--space-4);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-error);
}
.woocommerce ul.products li.product .price ins {
  text-decoration: none;
}
.woocommerce ul.products li.product .price del {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  font-weight: 400;
}

.woocommerce ul.products li.product .add_to_cart_button {
  display: block;
  margin: var(--space-3) var(--space-4);
  padding: var(--space-2);
  text-align: center;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}
.woocommerce ul.products li.product .add_to_cart_button:hover {
  background: var(--color-accent-hover);
}

/* Product columns responsive */
@media (max-width: 992px) {
  .woocommerce ul.products { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .woocommerce ul.products { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .woocommerce ul.products { grid-template-columns: 1fr; }
}

/* Result count */
.woocommerce-result-count {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

/* Ordering dropdown */
.woocommerce-ordering select {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 0.875rem;
}

/* Star rating */
.star-rating {
  font-size: 0.875rem;
  color: var(--color-warning);
}

/* ============================================================
   WooCommerce — 商品详情页
   ============================================================ */

.single-product .product {
  display: flex;
  gap: var(--space-10);
  flex-wrap: wrap;
}

.single-product .woocommerce-product-gallery {
  flex: 1;
  min-width: 300px;
}

.single-product .woocommerce-product-gallery__image img {
  width: 100%;
  border-radius: var(--radius-lg);
}

.single-product .summary {
  flex: 1;
  min-width: 300px;
}

.single-product .product_title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.single-product .price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-error);
  margin-bottom: var(--space-4);
}
.single-product .price ins { text-decoration: none; }
.single-product .price del {
  font-size: 1rem;
  color: var(--color-text-tertiary);
  font-weight: 400;
}

.single-product .woocommerce-variation-add-to-cart {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.single-product .quantity input {
  width: 70px;
  padding: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.single-product .single_add_to_cart_button {
  flex: 1;
  padding: var(--space-3) var(--space-8);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.single-product .single_add_to_cart_button:hover {
  background: var(--color-accent-hover);
}

/* Product tabs */
.woocommerce-tabs {
  margin-top: var(--space-12);
}

.woocommerce-tabs ul.tabs {
  display: flex;
  gap: 0;
  list-style: none;
  padding: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-6);
}

.woocommerce-tabs ul.tabs li {
  padding: var(--space-3) var(--space-6);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  font-weight: 500;
}
.woocommerce-tabs ul.tabs li.active {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

.woocommerce-tabs .panel {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================================
   WooCommerce — 表单 (地址 / 结账 / 支付)
   ============================================================ */

.woocommerce form .form-row {
  margin-bottom: var(--space-4);
}

.woocommerce form .form-row label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
  color: var(--color-text-primary);
}

.woocommerce form .form-row input[type="text"],
.woocommerce form .form-row input[type="email"],
.woocommerce form .form-row input[type="password"],
.woocommerce form .form-row input[type="tel"],
.woocommerce form .form-row input[type="number"],
.woocommerce form .form-row select,
.woocommerce form .form-row textarea,
.woocommerce form .form-row .input-text,
.woocommerce form .form-row .city_select,
.woocommerce form .form-row .state_select,
.woocommerce form .form-row .country_select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-sizing: border-box;
}

.woocommerce form .form-row input:focus,
.woocommerce form .form-row select:focus,
.woocommerce form .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.woocommerce form .form-row select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.woocommerce form .form-row .required {
  color: var(--color-error);
}

.woocommerce form .form-row.woocommerce-invalid input,
.woocommerce form .form-row.woocommerce-invalid select {
  border-color: var(--color-error);
}

/* Two-column rows */
.woocommerce form .form-row-first,
.woocommerce form .form-row-last {
  width: calc(50% - var(--space-3));
  float: left;
}
.woocommerce form .form-row-last {
  float: right;
}
.woocommerce form .form-row-wide {
  clear: both;
}

@media (max-width: 768px) {
  .woocommerce form .form-row-first,
  .woocommerce form .form-row-last {
    width: 100%;
    float: none;
  }
}

/* Address field — hide */
.woocommerce form .form-row.hide {
  display: none;
}

/* ============================================================
   WooCommerce — 结账页 (Payment)
   ============================================================ */

.woocommerce-checkout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
}

@media (max-width: 992px) {
  .woocommerce-checkout {
    grid-template-columns: 1fr;
  }
}

/* Billing form section */
.woocommerce-billing-fields h3,
.woocommerce-shipping-fields h3,
.woocommerce-additional-fields h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* Order review / payment section */
#order_review {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

#order_review .shop_table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
}

#order_review .shop_table th,
#order_review .shop_table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

#order_review .shop_table tfoot th,
#order_review .shop_table tfoot td {
  font-weight: 600;
  border-top: 2px solid var(--color-border);
}

#order_review .shop_table .order-total td {
  font-size: 1.125rem;
  color: var(--color-error);
  font-weight: 700;
}

/* Payment methods */
#payment {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

#payment ul.payment_methods {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
}

#payment ul.payment_methods li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

#payment ul.payment_methods li:last-child {
  border-bottom: none;
}

#payment ul.payment_methods li input[type="radio"] {
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
}

#payment ul.payment_methods li label {
  font-weight: 500;
  cursor: pointer;
}

#payment ul.payment_methods li label img {
  max-height: 24px;
  vertical-align: middle;
  margin-left: var(--space-2);
}

#payment .payment_box {
  margin: var(--space-3) 0 var(--space-2) 33px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Place order button */
#place_order,
.woocommerce-checkout button[type="submit"],
.woocommerce button.button.alt {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}
#place_order:hover,
.woocommerce button.button.alt:hover {
  background: var(--color-accent-hover);
}

/* ============================================================
   WooCommerce — 购物车
   ============================================================ */

.woocommerce-cart-form-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
}

.woocommerce-cart-form-wrap .shop_table {
  width: 100%;
  border-collapse: collapse;
}

.woocommerce-cart-form-wrap .shop_table th {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.woocommerce-cart-form-wrap .shop_table td {
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

.cart_totals {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

/* Coupon */
.woocommerce-cart .coupon {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.woocommerce-cart .coupon input[type="text"] {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

/* ============================================================
   WooCommerce — 我的账户 / 订单
   ============================================================ */

.woocommerce-account .woocommerce-MyAccount-navigation {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-8);
}

.woocommerce-account .woocommerce-MyAccount-navigation ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.woocommerce-account .woocommerce-MyAccount-navigation ul li a {
  display: block;
  padding: var(--space-2) var(--space-5);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  text-decoration: none;
}
.woocommerce-account .woocommerce-MyAccount-navigation ul li.is-active a,
.woocommerce-account .woocommerce-MyAccount-navigation ul li a:hover {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

.woocommerce-account .woocommerce-MyAccount-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

/* Order table in my account */
.woocommerce-orders-table {
  width: 100%;
  border-collapse: collapse;
}

.woocommerce-orders-table th,
.woocommerce-orders-table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

/* Address card in my account */
.woocommerce-Address {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.woocommerce-Address-title h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

/* Order details */
.order_details {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.order_details li {
  background: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  text-align: center;
}

.order_details li strong {
  display: block;
  margin-top: var(--space-1);
  font-size: 1.125rem;
}

/* Order notes display */
.order-note {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.order-note__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
}

.order-note__time {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
}

.order-note__body {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-sm);
}

/* ============================================================
   WooCommerce — 通知消息
   ============================================================ */

.woocommerce-message,
.woocommerce-info,
.woocommerce-error {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  font-size: 0.9375rem;
  position: relative;
}

.woocommerce-message {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.woocommerce-info {
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent-light);
  color: var(--color-accent);
}

.woocommerce-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.woocommerce-message a,
.woocommerce-info a,
.woocommerce-error a {
  font-weight: 600;
}

/* ============================================================
   Member Page — .member-page-content (无边框无阴影)
   ============================================================ */

.member-page-content {
  max-width: 600px;
  margin: var(--space-8) auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
}

/* ============================================================
   Post Navigation
   ============================================================ */

.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.post-nav__item {
  display: block;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.post-nav__item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.post-nav__label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-1);
}

.post-nav__title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-nav__next {
  text-align: right;
}

@media (max-width: 640px) {
  .post-nav {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Print Styles
   ============================================================ */

@media print {
  .site-header,
  .site-footer,
  .scroll-to-top,
  .sidebar,
  .mobile-menu-toggle,
  .header-search-dropdown,
  .post-nav,
  .comments-area {
    display: none !important;
  }
}