/*
Theme Name: 拓璞木业
Theme URI: https://tuopuwood.com
Author: 拓璞木业
Author URI: https://tuopuwood.com
Description: 拓璞木业专属WordPress主题，位于东莞厚街木材市场，专注优质木材供应与木制品加工服务。展现专业木业企业形象与产品实力。
Version: 1.1.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tuopu-wood
Tags: wood, timber, business, one-page, custom-menu, featured-images, responsive-layout, custom-logo
*/

/* ============================================
   CSS 变量 - 木业工艺色彩体系
   ============================================ */
:root {
  /* 主色调 - 木色系 */
  --color-wood-dark:    #3D2B1F;   /* 深胡桃木 */
  --color-wood-medium:  #6B3F2A;   /* 中棕木色 */
  --color-wood-warm:    #A0522D;   /* 暖棕色 */
  --color-wood-light:   #C8906A;   /* 浅木色 */
  --color-wood-grain:   #D4A76A;   /* 木纹金 */
  --color-wood-pale:    #F0E0C8;   /* 浅木白 */

  /* 辅助色 */
  --color-gold:         #B8860B;   /* 深金色 - 工艺感 */
  --color-gold-light:   #D4AC0D;   /* 亮金色 */
  --color-cream:        #FDF6EC;   /* 米白底色 */
  --color-stone:        #8B7355;   /* 石灰棕 */
  --color-forest:       #4A5240;   /* 森林绿 */

  /* 文字色 */
  --text-primary:       #2C1F14;   /* 主文字 - 深木色 */
  --text-secondary:     #6B4C35;   /* 次文字 */
  --text-muted:         #9E8272;   /* 灰文字 */
  --text-light:         #FDF6EC;   /* 浅色文字 */

  /* 背景 */
  --bg-primary:         #FDF6EC;
  --bg-secondary:       #F5EAD8;
  --bg-dark:            #2C1F14;

  /* 字体 */
  --font-serif:         'Noto Serif SC', 'Source Han Serif CN', Georgia, serif;
  --font-sans:          'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

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

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* 阴影 */
  --shadow-sm:  0 2px 8px rgba(61,43,31,0.1);
  --shadow-md:  0 8px 24px rgba(61,43,31,0.15);
  --shadow-lg:  0 16px 48px rgba(61,43,31,0.2);
  --shadow-wood: 0 4px 20px rgba(107,63,42,0.25);

  /* 过渡 */
  --transition: 0.3s ease;
}

/* ============================================
   全局重置与基础样式
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.8;
  overflow-x: hidden;
}

/* 木纹背景纹理效果 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(107,63,42,0.015) 2px,
      rgba(107,63,42,0.015) 4px
    );
  pointer-events: none;
  z-index: -1;
}

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

a {
  color: var(--color-wood-medium);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-wood-warm);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

p { margin-bottom: 1rem; }

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

/* ============================================
   工具类
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.text-center { text-align: center; }
.text-gold { color: var(--color-gold); }
.text-wood { color: var(--color-wood-medium); }

/* 分割线 - 工艺感装饰 */
.craft-divider {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}
.craft-divider::before,
.craft-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-wood-grain), transparent);
}
.craft-divider-icon {
  color: var(--color-gold);
  font-size: 1.2rem;
}

/* ============================================
   顶部公告栏
   ============================================ */
.site-announcement {
  background: var(--color-wood-dark);
  color: var(--color-wood-pale);
  text-align: center;
  padding: 8px var(--space-md);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.site-announcement a {
  color: var(--color-wood-grain);
  border-bottom: 1px solid currentColor;
}

/* ============================================
   头部导航
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(253, 246, 236, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(107,63,42,0.15);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.site-header.scrolled {
  background: rgba(44, 31, 20, 0.97);
}

.site-header.scrolled .site-logo-text,
.site-header.scrolled .nav-menu a {
  color: var(--text-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

/* Logo区域 */
.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.site-logo-icon {
  width: 48px;
  height: 48px;
  background: var(--color-wood-dark);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.site-logo-icon::before {
  content: '木';
  color: var(--color-wood-grain);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
}

.site-logo-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: 0.05em;
}

.site-logo-tagline {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* 主导航 */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu > li {
  position: relative;
}

.nav-menu a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  padding: 6px 0;
  position: relative;
  transition: color var(--transition);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-wood-grain);
  transition: width var(--transition);
}

.nav-menu a:hover::after,
.nav-menu .current-menu-item > a::after {
  width: 100%;
}

.nav-menu a:hover {
  color: var(--color-wood-warm);
}

/* 下拉菜单 */
.nav-menu .sub-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 180px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(107,63,42,0.1);
  padding: 8px 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.nav-menu li:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  top: calc(100% + 8px);
}

.nav-menu .sub-menu a {
  display: block;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.nav-menu .sub-menu a:hover {
  background: var(--bg-secondary);
  color: var(--color-wood-warm);
}

/* 导航右侧按钮 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.btn-nav-cta {
  background: var(--color-wood-dark);
  color: var(--text-light) !important;
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
}

.btn-nav-cta:hover {
  background: var(--color-wood-warm);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* 汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}

/* ============================================
   Hero 横幅区
   ============================================ */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-wood-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(44,31,20,0.92) 0%, rgba(107,63,42,0.75) 50%, rgba(44,31,20,0.88) 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('assets/images/hero-wood.jpg') center/cover no-repeat;
  opacity: 0.3;
}

/* 木纹装饰线 */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      170deg,
      transparent,
      transparent 40px,
      rgba(212,167,106,0.04) 40px,
      rgba(212,167,106,0.04) 42px
    );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212,167,106,0.15);
  border: 1px solid rgba(212,167,106,0.3);
  color: var(--color-wood-grain);
  padding: 6px 16px;
  border-radius: 24px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: white;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}

.hero-title .highlight {
  color: var(--color-wood-grain);
  position: relative;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(240,224,200,0.8);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============================================
   按钮系统
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: var(--color-wood-grain);
  color: var(--color-wood-dark);
  border-color: var(--color-wood-grain);
}

.btn-primary:hover {
  background: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-wood);
  color: var(--color-wood-dark);
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.4);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: white;
  color: white;
}

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

.btn-wood:hover {
  background: var(--color-wood-medium);
  border-color: var(--color-wood-medium);
  transform: translateY(-2px);
  box-shadow: var(--shadow-wood);
  color: white;
}

/* ============================================
   Hero 统计数字
   ============================================ */
.hero-stats {
  position: absolute;
  bottom: var(--space-lg);
  right: 0;
  display: flex;
  gap: var(--space-md);
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(212,167,106,0.2);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-wood-grain);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(240,224,200,0.7);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

/* ============================================
   特色区域 - 工艺优势
   ============================================ */
.features-section {
  padding: var(--space-xl) 0;
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-wood-grain);
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

/* 特性卡片网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.feature-card {
  padding: var(--space-md);
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(107,63,42,0.08);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--color-wood-grain), var(--color-wood-medium));
  transition: height 0.4s ease;
  border-radius: 0 0 4px 0;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(107,63,42,0.15);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--color-wood-dark);
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ============================================
   产品展示区
   ============================================ */
.products-section {
  padding: var(--space-xl) 0;
  background: var(--bg-secondary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid rgba(107,63,42,0.06);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-wood-dark);
  color: var(--color-wood-grain);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 500;
}

.product-body {
  padding: var(--space-sm);
}

.product-category {
  font-size: 0.75rem;
  color: var(--color-wood-grain);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.product-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.product-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(107,63,42,0.08);
}

.product-price {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-wood-medium);
  font-weight: 600;
}

.btn-detail {
  font-size: 0.8rem;
  color: var(--color-wood-medium);
  padding: 6px 14px;
  border: 1px solid currentColor;
  border-radius: 16px;
  transition: all var(--transition);
}

.btn-detail:hover {
  background: var(--color-wood-medium);
  color: white;
}

/* ============================================
   工艺流程区
   ============================================ */
.process-section {
  padding: var(--space-xl) 0;
  background: var(--color-wood-dark);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      160deg,
      transparent 0px,
      transparent 60px,
      rgba(212,167,106,0.03) 60px,
      rgba(212,167,106,0.03) 62px
    );
}

.process-section .section-title,
.process-section .section-label {
  color: var(--color-wood-pale);
}

.process-section .section-desc {
  color: rgba(240,224,200,0.6);
}

.process-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.process-item {
  text-align: center;
  position: relative;
  padding: var(--space-md);
}

.process-step {
  width: 64px;
  height: 64px;
  background: rgba(212,167,106,0.1);
  border: 2px solid var(--color-wood-grain);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-wood-grain);
  font-weight: 700;
  transition: all var(--transition);
}

.process-item:hover .process-step {
  background: var(--color-wood-grain);
  color: var(--color-wood-dark);
  transform: scale(1.1);
}

.process-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-wood-pale);
  margin-bottom: 0.5rem;
}

.process-desc {
  font-size: 0.85rem;
  color: rgba(240,224,200,0.6);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   案例展示区
   ============================================ */
.cases-section {
  padding: var(--space-xl) 0;
  background: var(--bg-primary);
}

.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.case-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

.case-card:first-child {
  grid-row: span 2;
}

.case-image {
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.case-card:first-child .case-image {
  min-height: 480px;
}

.case-card:hover .case-image {
  transform: scale(1.05);
}

.case-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(44,31,20,0.85));
  padding: var(--space-md);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition);
}

.case-card:hover .case-overlay {
  transform: translateY(0);
  opacity: 1;
}

.case-title {
  font-family: var(--font-serif);
  color: white;
  font-size: 1.1rem;
}

.case-meta {
  font-size: 0.8rem;
  color: var(--color-wood-grain);
  margin-top: 4px;
}

/* ============================================
   关于我们 / 工匠精神
   ============================================ */
.about-section {
  padding: var(--space-xl) 0;
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-main-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-badge-float {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--color-wood-dark);
  color: white;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-badge-num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-wood-grain);
  font-weight: 700;
  line-height: 1;
}

.about-badge-text {
  font-size: 0.8rem;
  margin-top: 4px;
  opacity: 0.8;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: var(--space-sm);
}

.about-content .section-label {
  display: block;
  text-align: left;
}

.about-text {
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-md);
}

.about-tag {
  padding: 6px 14px;
  background: white;
  border: 1px solid rgba(107,63,42,0.15);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ============================================
   荣誉资质
   ============================================ */
.certificates-section {
  padding: var(--space-lg) 0;
  background: var(--bg-primary);
  border-top: 1px solid rgba(107,63,42,0.08);
  border-bottom: 1px solid rgba(107,63,42,0.08);
}

.cert-scroll {
  display: flex;
  gap: var(--space-xl);
  animation: scrollLeft 20s linear infinite;
  width: max-content;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.cert-icon {
  color: var(--color-gold);
  font-size: 1.1rem;
}

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   文章/资讯列表
   ============================================ */
.news-section {
  padding: var(--space-xl) 0;
  background: var(--bg-primary);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.news-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid rgba(107,63,42,0.06);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.news-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-secondary);
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-thumb img {
  transform: scale(1.06);
}

.news-body {
  padding: var(--space-sm);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.news-cat {
  color: var(--color-wood-grain);
  font-weight: 500;
}

.news-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  transition: color var(--transition);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card:hover .news-title {
  color: var(--color-wood-warm);
}

.news-excerpt {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

/* ============================================
   联系/咨询区
   ============================================ */
.contact-section {
  padding: var(--space-xl) 0;
  background: linear-gradient(135deg, var(--color-wood-dark) 0%, var(--color-wood-medium) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(212,167,106,0.1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(212,167,106,0.08) 0%, transparent 60%);
}

.contact-section .section-title {
  color: white;
}

.contact-section .section-desc {
  color: rgba(240,224,200,0.7);
}

.contact-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ============================================
   页脚
   ============================================ */
.site-footer {
  background: var(--color-wood-dark);
  color: rgba(240,224,200,0.7);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand .site-logo-name {
  color: var(--color-wood-pale);
  font-size: 1.2rem;
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-top: var(--space-sm);
  opacity: 0.7;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: var(--space-sm);
}

.social-link {
  width: 36px;
  height: 36px;
  background: rgba(212,167,106,0.1);
  border: 1px solid rgba(212,167,106,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-wood-grain);
  font-size: 0.9rem;
  transition: all var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-wood-grain);
  color: var(--color-wood-dark);
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-wood-pale);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--color-wood-grain);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(240,224,200,0.6);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-wood-grain);
}

.footer-contact-item {
  display: flex;
  gap: 10px;
  font-size: 0.85rem;
  margin-bottom: 10px;
  color: rgba(240,224,200,0.65);
}

.footer-contact-icon {
  color: var(--color-wood-grain);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(212,167,106,0.1);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-copyright {
  font-size: 0.8rem;
  opacity: 0.5;
}

.footer-icp {
  font-size: 0.8rem;
  opacity: 0.5;
}

.footer-icp a {
  color: inherit;
}

/* ============================================
   单篇文章页
   ============================================ */
.single-article {
  max-width: 800px;
  margin: var(--space-lg) auto;
  padding: 0 var(--space-md);
}

.article-header {
  margin-bottom: var(--space-lg);
}

.article-cats {
  display: flex;
  gap: 8px;
  margin-bottom: var(--space-sm);
}

.article-cat-badge {
  font-size: 0.78rem;
  padding: 4px 12px;
  background: var(--bg-secondary);
  color: var(--color-wood-grain);
  border-radius: 12px;
  font-weight: 500;
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(107,63,42,0.1);
}

.article-cover {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: var(--space-md) 0;
}

/* 正文排版 */
.article-content {
  font-size: 1rem;
  line-height: 2;
  color: var(--text-secondary);
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin: var(--space-md) 0 var(--space-sm);
  padding-left: 16px;
  border-left: 4px solid var(--color-wood-grain);
}

.article-content h3 {
  font-size: 1.15rem;
  margin: var(--space-sm) 0 0.5rem;
}

.article-content blockquote {
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-secondary);
  border-left: 4px solid var(--color-wood-grain);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-content img {
  border-radius: var(--radius-md);
  margin: var(--space-sm) 0;
}

/* ============================================
   分页 / 加载更多
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: var(--space-lg) 0;
}

.page-numbers {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
  border: 1px solid rgba(107,63,42,0.15);
  transition: all var(--transition);
  text-decoration: none;
}

.page-numbers.current,
.page-numbers:hover {
  background: var(--color-wood-dark);
  color: white;
  border-color: transparent;
}

/* ============================================
   侧边栏
   ============================================ */
.sidebar-widget {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border: 1px solid rgba(107,63,42,0.08);
}

.widget-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-wood-grain);
  color: var(--text-primary);
}

/* ============================================
   返回顶部按钮
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-wood-dark);
  color: var(--color-wood-grain);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
  border: none;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-wood-medium);
  transform: translateY(-3px);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-image-wrap {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    gap: var(--space-sm);
    border-top: 2px solid var(--color-wood-grain);
  }

  .nav-menu.active { display: flex; }
  .nav-toggle { display: flex; }

  .nav-actions .btn-nav-cta { display: none; }

  .hero-stats {
    position: static;
    justify-content: center;
    margin-top: var(--space-md);
    flex-wrap: wrap;
  }

  .hero-content { text-align: center; }
  .hero-actions { justify-content: center; }

  .cases-grid {
    grid-template-columns: 1fr;
  }

  .cases-grid .case-card:first-child {
    grid-row: auto;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .footer-bottom {
    text-align: center;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
}

/* ============================================
   打印样式
   ============================================ */
@media print {
  .site-header, .site-footer, .back-to-top { display: none; }
  body { background: white; }
}