/*
Theme Name: PetTrade Pro
Theme URI: https://pettrade-pro.example.com
Author: PetTrade Dev Team
Author URI: https://pettrade-pro.example.com
Description: 宠物用品外贸 B2B 企业官网 WordPress 主题，支持中英文双语切换、产品展示、询盘管理
Version: 2.0.0
Requires at least: 5.0
Tested up to: 7.0
Requires PHP: 7.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pettrade-pro
Tags: pet, trade, b2b, multilingual, rtl-language-support, custom-post-type, custom-colors, custom-menu, featured-images, responsive-layout
*/

/* ============================================================
   自托管展示字体：Playfair Display（本地化，避免境外字体加载）
   ============================================================ */
@font-face {
    font-family: 'Playfair Display';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('assets/fonts/playfair-latin-400.woff2') format('woff2');
}
@font-face {
    font-family: 'Playfair Display';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('assets/fonts/playfair-latin-500.woff2') format('woff2');
}
@font-face {
    font-family: 'Playfair Display';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('assets/fonts/playfair-latin-600.woff2') format('woff2');
}
@font-face {
    font-family: 'Playfair Display';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('assets/fonts/playfair-latin-700.woff2') format('woff2');
}

/* ============================================================
   PetTrade Pro v2.0 设计系统
   方向：Structured Confidence（结构化自信）
   主色：Deep Teal 深青色（专业、可信、非通用蓝）
   辅色：Warm Amber 暖琥珀（有温度的强调色）
   深色：Ink Graphite 墨石墨色
   字体：Noto Sans SC（正文）+ Playfair Display（展示标题）
   ============================================================ */

:root {
  /* === 品牌色板（Deep Teal + Warm Amber）=== */
  --pt-primary: #0F766E;          /* 深青色 - 主色 */
  --pt-primary-dark: #0B5C55;     /* 更深青色 */
  --pt-primary-light: #14B8A6;    /* 亮青色 */
  --pt-primary-soft: #CCFBF1;     /* 极浅青色 - 背景用 */
  --pt-primary-tint: #F0FDFA;     /* 青色调极浅底色 */

  --pt-accent: #D97706;           /* 暖琥珀 - 强调色 */
  --pt-accent-dark: #B45309;      /* 深琥珀 */
  --pt-accent-light: #F59E0B;     /* 亮琥珀 */
  --pt-accent-soft: #FEF3C7;      /* 极浅琥珀 */

  --pt-dark: #0F172A;             /* 墨石墨色 - 深色背景 */
  --pt-dark-soft: #1E293B;        /* 次深色 */
  --pt-bg-light: #F8FAFC;         /* 极浅底色（带冷调）*/
  --pt-bg-warm: #FFFBF5;          /* 暖调底色 */
  --pt-white: #FFFFFF;

  /* === 文字色（带色相的中性灰）=== */
  --pt-text: #0F172A;             /* 主文字 - 深墨色 */
  --pt-text-muted: #475569;       /* 次文字 - 石板灰 */
  --pt-text-light: #94A3B8;       /* 辅助文字 - 浅石板灰 */
  --pt-text-on-dark: #E2E8F0;     /* 深色背景上的文字 */
  --pt-text-on-dark-muted: #94A3B8;

  /* === 圆角（更现代的尺度）=== */
  --pt-radius-sm: 6px;
  --pt-radius-card: 12px;
  --pt-radius-btn: 8px;
  --pt-radius-lg: 20px;
  --pt-radius-pill: 999px;

  /* === 间距基准（8px 体系，戏剧化跳跃）=== */
  --pt-space-xs: 4px;
  --pt-space-sm: 8px;
  --pt-space-md: 16px;
  --pt-space-lg: 24px;
  --pt-space-xl: 32px;
  --pt-space-2xl: 48px;
  --pt-space-3xl: 80px;
  --pt-space-4xl: 120px;
  --pt-space-5xl: 160px;

  /* === 阴影（有层次的大阴影）=== */
  --pt-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --pt-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --pt-shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.10), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
  --pt-shadow-xl: 0 20px 40px -10px rgba(15, 23, 42, 0.15), 0 10px 20px -8px rgba(15, 23, 42, 0.10);
  --pt-shadow-teal: 0 10px 30px -8px rgba(15, 118, 110, 0.35);
  --pt-shadow-amber: 0 10px 30px -8px rgba(217, 119, 6, 0.35);

  /* === 过渡 === */
  --pt-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --pt-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --pt-transition-slow: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* === 字体（引入展示字体 + 正文中文字体）=== */
  --pt-font: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --pt-font-display: "Playfair Display", "Noto Serif SC", Georgia, "Times New Roman", serif;
  --pt-font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  /* === 容器宽度 === */
  --pt-container: 1280px;
  --pt-container-narrow: 960px;
}

/* ============================================================
   1. Reset 基础重置
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--pt-primary);
  text-decoration: none;
  transition: var(--pt-transition);
}

a:hover {
  color: var(--pt-accent);
}

ul,
ol {
  list-style: none;
}

/* 文字选区色 */
::selection {
  background-color: var(--pt-primary);
  color: var(--pt-white);
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--pt-bg-light);
}
::-webkit-scrollbar-thumb {
  background: var(--pt-text-light);
  border-radius: var(--pt-radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--pt-primary);
}

/* ============================================================
   2. 排版 Typography（戏剧化尺度跳跃）
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.15;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-md);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
h3 { font-size: clamp(1.5rem, 2vw, 2rem); }
h4 { font-size: 1.375rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--pt-space-md);
  color: var(--pt-text);
}

b, strong { font-weight: 700; }

small { font-size: 0.875rem; }

blockquote {
  margin: var(--pt-space-xl) 0;
  padding: var(--pt-space-xl) var(--pt-space-2xl);
  border-left: 4px solid var(--pt-primary);
  background-color: var(--pt-primary-tint);
  color: var(--pt-text-muted);
  font-style: italic;
  font-family: var(--pt-font-display);
  font-size: 1.25rem;
  border-radius: 0 var(--pt-radius-card) var(--pt-radius-card) 0;
}

code, pre {
  font-family: var(--pt-font-mono);
  font-size: 0.875rem;
}

pre {
  padding: var(--pt-space-md);
  background-color: var(--pt-dark);
  color: #E2E8F0;
  border-radius: var(--pt-radius-card);
  overflow-x: auto;
}

/* ============================================================
   3. pt- 前缀：容器与布局
   ============================================================ */

.pt-container {
  width: 100%;
  max-width: var(--pt-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pt-space-lg);
  padding-right: var(--pt-space-lg);
}

.pt-content-area {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pt-space-2xl);
  padding: var(--pt-space-4xl) 0;
}

.pt-main {
  flex: 1 1 65%;
  min-width: 0;
}

.pt-sidebar {
  flex: 1 1 30%;
  min-width: 280px;
}

.pt-text-center { text-align: center; }
.pt-text-left { text-align: left; }
.pt-text-right { text-align: right; }

.pt-hidden { display: none !important; }

.pt-section {
  padding: var(--pt-space-4xl) 0;
}

.pt-section--light {
  background-color: var(--pt-bg-light);
}

/* ============================================================
   4. pt- 前缀：按钮（更有质感的按钮）
   ============================================================ */

.pt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-md) var(--pt-space-xl);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  border: 2px solid transparent;
  border-radius: var(--pt-radius-btn);
  cursor: pointer;
  transition: var(--pt-transition);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.pt-btn--primary {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  border-color: var(--pt-primary);
  box-shadow: var(--pt-shadow-teal);
}

.pt-btn--primary:hover {
  background-color: var(--pt-primary-dark);
  border-color: var(--pt-primary-dark);
  color: var(--pt-white);
  transform: translateY(-2px);
  box-shadow: 0 14px 35px -8px rgba(15, 118, 110, 0.5);
}

.pt-btn--accent {
  background-color: var(--pt-accent);
  color: var(--pt-white);
  border-color: var(--pt-accent);
  box-shadow: var(--pt-shadow-amber);
}

.pt-btn--accent:hover {
  background-color: var(--pt-accent-dark);
  border-color: var(--pt-accent-dark);
  color: var(--pt-white);
  transform: translateY(-2px);
  box-shadow: 0 14px 35px -8px rgba(217, 119, 6, 0.5);
}

.pt-btn--outline {
  background-color: transparent;
  color: var(--pt-primary);
  border-color: var(--pt-primary);
}

.pt-btn--outline:hover {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  transform: translateY(-2px);
}

.pt-btn--lg {
  padding: var(--pt-space-lg) var(--pt-space-2xl);
  font-size: 1.05rem;
}

.pt-btn--sm {
  padding: var(--pt-space-xs) var(--pt-space-md);
  font-size: 0.85rem;
}

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

/* ============================================================
   5. pt- 前缀：卡片
   ============================================================ */

.pt-card {
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-card);
  box-shadow: var(--pt-shadow-md);
  overflow: hidden;
  transition: var(--pt-transition);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.pt-card:hover {
  box-shadow: var(--pt-shadow-xl);
  transform: translateY(-6px);
  border-color: var(--pt-primary-light);
}

.pt-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--pt-bg-light);
}

.pt-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.pt-card:hover .pt-card__media img {
  transform: scale(1.08);
}

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

.pt-card__title {
  font-size: 1.375rem;
  margin-bottom: var(--pt-space-sm);
}

.pt-card__title a {
  color: var(--pt-dark);
}

.pt-card__title a:hover {
  color: var(--pt-primary);
}

.pt-card__excerpt {
  color: var(--pt-text-muted);
  font-size: 0.975rem;
  margin-bottom: var(--pt-space-md);
  line-height: 1.7;
}

.pt-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pt-space-sm);
  font-size: 0.85rem;
  color: var(--pt-text-light);
}

.pt-product {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pt-product__badge {
  position: absolute;
  top: var(--pt-space-md);
  left: var(--pt-space-md);
  z-index: 2;
  padding: var(--pt-space-xs) var(--pt-space-md);
  background-color: var(--pt-accent);
  color: var(--pt-white);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--pt-radius-pill);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pt-product__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--pt-space-md);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

/* ============================================================
   6. pt- 前缀：表单
   ============================================================ */

.pt-form-group {
  margin-bottom: var(--pt-space-md);
}

.pt-form-label {
  display: block;
  margin-bottom: var(--pt-space-xs);
  font-weight: 700;
  color: var(--pt-text);
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

.pt-form-label .required {
  color: #DC2626;
}

.pt-input,
.pt-textarea,
.pt-select {
  width: 100%;
  padding: var(--pt-space-md) var(--pt-space-lg);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--pt-text);
  background-color: var(--pt-white);
  border: 2px solid #E2E8F0;
  border-radius: var(--pt-radius-btn);
  transition: var(--pt-transition);
}

.pt-input:focus,
.pt-textarea:focus,
.pt-select:focus {
  outline: none;
  border-color: var(--pt-primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.pt-textarea {
  min-height: 140px;
  resize: vertical;
}

.pt-fieldset {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--pt-radius-card);
  padding: var(--pt-space-xl);
  margin-bottom: var(--pt-space-xl);
}

.pt-search {
  display: flex;
  align-items: stretch;
  max-width: 400px;
}

.pt-search__input {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.pt-search__submit {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin: 0;
}

/* ============================================================
   7. pt- 前缀：网格
   ============================================================ */

.pt-grid {
  display: grid;
  gap: var(--pt-space-xl);
}

.pt-grid--2 { grid-template-columns: repeat(2, 1fr); }
.pt-grid--3 { grid-template-columns: repeat(3, 1fr); }
.pt-grid--4 { grid-template-columns: repeat(4, 1fr); }
.pt-grid--auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ============================================================
   8. pt- 前缀：站点头部
   ============================================================ */

.pt-topbar {
  background-color: var(--pt-dark);
  color: var(--pt-text-on-dark);
  font-size: 0.85rem;
  padding: var(--pt-space-sm) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pt-topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--pt-space-sm);
}

.pt-topbar__contact a {
  color: var(--pt-text-on-dark);
  margin-right: var(--pt-space-lg);
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-xs);
}

.pt-topbar__contact a:hover {
  color: var(--pt-accent-light);
}

.pt-topbar__address {
  color: var(--pt-text-on-dark);
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-xs);
  opacity: 0.85;
}

.pt-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: var(--pt-shadow-sm);
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

.pt-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pt-space-xl);
  padding: var(--pt-space-md) 0;
}

.pt-header__brand {
  display: flex;
  align-items: center;
  gap: var(--pt-space-sm);
  flex-shrink: 0;
}

.pt-header__brand img {
  max-height: 44px;
  width: auto;
}

.pt-header__brand-text {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--pt-dark);
  letter-spacing: -0.03em;
  font-family: var(--pt-font-display);
}

.pt-header__brand-text::first-letter {
  color: var(--pt-primary);
}

.pt-nav {
  display: flex;
  align-items: center;
  gap: var(--pt-space-xl);
}

.pt-menu {
  display: flex;
  align-items: center;
  gap: var(--pt-space-xl);
  list-style: none;
}

.pt-menu > li > a {
  display: block;
  padding: var(--pt-space-xs) 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--pt-text);
  position: relative;
  letter-spacing: 0.01em;
}

.pt-menu > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--pt-accent);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.pt-menu > li > a:hover {
  color: var(--pt-primary);
}

.pt-menu .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: var(--pt-white);
  box-shadow: var(--pt-shadow-lg);
  border-radius: var(--pt-radius-card);
  padding: var(--pt-space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--pt-transition);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.pt-menu li:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.pt-menu .sub-menu li a {
  display: block;
  padding: var(--pt-space-sm) var(--pt-space-md);
  color: var(--pt-text);
  border-radius: var(--pt-radius-btn);
  font-size: 0.9rem;
}

.pt-menu .sub-menu li a:hover {
  background-color: var(--pt-primary-tint);
  color: var(--pt-primary);
}

.pt-lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--pt-space-xs);
}

.pt-lang-switcher a {
  padding: var(--pt-space-xs) var(--pt-space-sm);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pt-text-muted);
  border-radius: var(--pt-radius-btn);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pt-lang-switcher a.current,
.pt-lang-switcher a:hover {
  color: var(--pt-white);
  background-color: var(--pt-primary);
}

.pt-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.pt-menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--pt-dark);
  border-radius: 2px;
  transition: var(--pt-transition);
}

.pt-menu-toggle.is-active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.pt-menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.pt-menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ============================================================
   9. pt- 前缀：页脚
   ============================================================ */

.pt-site-footer {
  background-color: var(--pt-dark);
  color: var(--pt-text-on-dark);
  padding: var(--pt-space-5xl) 0 0;
  position: relative;
}

.pt-site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--pt-primary) 0%, var(--pt-primary-light) 50%, var(--pt-accent) 100%);
}

.pt-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--pt-space-2xl);
  padding-bottom: var(--pt-space-3xl);
}

.pt-footer__col h4 {
  color: var(--pt-white);
  font-size: 1rem;
  margin-bottom: var(--pt-space-lg);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pt-footer__col p {
  color: var(--pt-text-on-dark-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.pt-footer__col ul li {
  margin-bottom: var(--pt-space-sm);
}

.pt-footer__col a {
  color: var(--pt-text-on-dark-muted);
  font-size: 0.9rem;
  transition: var(--pt-transition-fast);
}

.pt-footer__col a:hover {
  color: var(--pt-accent-light);
  padding-left: var(--pt-space-xs);
}

.pt-social {
  display: flex;
  gap: var(--pt-space-sm);
  margin-bottom: var(--pt-space-md);
}

.pt-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--pt-text-on-dark);
  font-size: 0.85rem;
  font-weight: 700;
  transition: var(--pt-transition);
}

.pt-social a:hover {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  transform: translateY(-3px);
  padding-left: 0;
}

.pt-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--pt-space-lg) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--pt-space-sm);
  font-size: 0.85rem;
  color: var(--pt-text-on-dark-muted);
}

/* WhatsApp 浮动按钮 */
.pt-whatsapp-float {
  position: fixed;
  right: var(--pt-space-xl);
  bottom: var(--pt-space-xl);
  z-index: 999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #25D366;
  color: var(--pt-white);
  box-shadow: 0 12px 30px -8px rgba(37, 211, 102, 0.6);
  transition: var(--pt-transition);
  animation: pt-pulse 2.5s infinite;
}

.pt-whatsapp-float:hover {
  background-color: #1FB855;
  color: var(--pt-white);
  transform: scale(1.08) translateY(-2px);
}

@keyframes pt-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5), 0 12px 30px -8px rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0), 0 12px 30px -8px rgba(37, 211, 102, 0.6); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0), 0 12px 30px -8px rgba(37, 211, 102, 0.6); }
}

/* ============================================================
   10. pt- 前缀：文章列表
   ============================================================ */

.pt-post {
  margin-bottom: var(--pt-space-2xl);
  padding-bottom: var(--pt-space-2xl);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.pt-post__title {
  margin-bottom: var(--pt-space-sm);
}

.pt-post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pt-space-md);
  font-size: 0.85rem;
  color: var(--pt-text-light);
  margin-bottom: var(--pt-space-md);
}

.pt-post__thumbnail {
  margin-bottom: var(--pt-space-md);
  border-radius: var(--pt-radius-card);
  overflow: hidden;
}

.pt-post__thumbnail img {
  width: 100%;
  height: auto;
}

.pt-pagination {
  display: flex;
  justify-content: center;
  gap: var(--pt-space-xs);
  margin-top: var(--pt-space-3xl);
}

.pt-pagination a,
.pt-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 var(--pt-space-sm);
  border: 1px solid #E2E8F0;
  border-radius: var(--pt-radius-btn);
  color: var(--pt-text);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--pt-transition);
}

.pt-pagination .current {
  background-color: var(--pt-primary);
  border-color: var(--pt-primary);
  color: var(--pt-white);
}

.pt-pagination a:hover {
  border-color: var(--pt-primary);
  color: var(--pt-primary);
  transform: translateY(-2px);
}

/* ============================================================
   11. pt- 前缀：Widget 侧边栏
   ============================================================ */

.pt-widget {
  margin-bottom: var(--pt-space-xl);
  padding: var(--pt-space-xl);
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-card);
  box-shadow: var(--pt-shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.pt-widget__title {
  font-size: 1.05rem;
  padding-bottom: var(--pt-space-sm);
  margin-bottom: var(--pt-space-md);
  border-bottom: 2px solid var(--pt-accent);
  font-weight: 700;
  color: var(--pt-dark);
}

.pt-widget ul li {
  padding: var(--pt-space-sm) 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.pt-widget ul li:last-child {
  border-bottom: none;
}

/* ============================================================
   12. pt- 前缀：FAQ 手风琴
   ============================================================ */

.pt-faq {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--pt-radius-card);
  overflow: hidden;
  margin-bottom: var(--pt-space-sm);
  transition: var(--pt-transition);
}

.pt-faq:hover {
  border-color: var(--pt-primary-light);
}

.pt-faq__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--pt-space-lg) var(--pt-space-xl);
  background: none;
  border: none;
  text-align: left;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  color: var(--pt-dark);
}

.pt-faq__icon {
  flex-shrink: 0;
  transition: var(--pt-transition);
  color: var(--pt-primary);
  font-size: 1.5rem;
}

.pt-faq.is-open .pt-faq__icon {
  transform: rotate(45deg);
}

.pt-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--pt-text-muted);
}

.pt-faq.is-open .pt-faq__answer {
  max-height: 600px;
  padding: 0 var(--pt-space-xl) var(--pt-space-lg);
}

/* ============================================================
   13. pt- 前缀：懒加载与滚动动画
   ============================================================ */

img[data-src] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[data-src].is-loaded {
  opacity: 1;
}

.pt-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ============================================================
   14. pt- 前缀：404 页面
   ============================================================ */

.pt-404 {
  text-align: center;
  padding: var(--pt-space-5xl) 0;
}

.pt-404__code {
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 900;
  color: var(--pt-primary);
  line-height: 1;
  margin-bottom: var(--pt-space-md);
  font-family: var(--pt-font-display);
  letter-spacing: -0.05em;
}

.pt-404__title {
  font-size: 2rem;
  margin-bottom: var(--pt-space-md);
}

.pt-404 .pt-search {
  margin: var(--pt-space-xl) auto;
}

/* ============================================================
   15. pt- 前缀：工具类
   ============================================================ */

.pt-screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  border: 0;
}

.pt-alignleft { float: left; margin-right: var(--pt-space-md); }
.pt-alignright { float: right; margin-left: var(--pt-space-md); }
.pt-aligncenter { display: block; margin-left: auto; margin-right: auto; }

.pt-mt-0 { margin-top: 0; }
.pt-mb-0 { margin-bottom: 0; }
.pt-mt-md { margin-top: var(--pt-space-md); }
.pt-mb-md { margin-bottom: var(--pt-space-md); }

/* RTL 支持 */
[dir="rtl"] .pt-alignleft { float: right; margin-left: var(--pt-space-md); margin-right: 0; }
[dir="rtl"] .pt-alignright { float: left; margin-right: var(--pt-space-md); margin-left: 0; }


/* ============================================================
   ============================================================
   pettrade- 前缀样式 v2.0（页面模板专用）
   设计方向：Structured Confidence
   - 不对称布局、戏剧化留白、有质感的材质
   - Deep Teal 主色 + Warm Amber 强调
   - Playfair Display 展示标题
   ============================================================
   ============================================================ */

/* ============================================================
   P1. 通用布局
   ============================================================ */

.pettrade-container {
  width: 100%;
  max-width: var(--pt-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--pt-space-lg);
  padding-right: var(--pt-space-lg);
}

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

.pettrade-main {
  min-height: 60vh;
}

/* Section 通用标题（带装饰线）*/
.pettrade-section__head {
  text-align: center;
  margin-bottom: var(--pt-space-3xl);
  position: relative;
}

.pettrade-section__head--left {
  text-align: left;
}

.pettrade-section__title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--pt-dark);
  font-weight: 900;
  margin-bottom: var(--pt-space-sm);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.pettrade-section__sub {
  font-size: 0.85rem;
  color: var(--pt-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 700;
  margin-bottom: var(--pt-space-md);
  display: inline-block;
  position: relative;
  padding: 0 var(--pt-space-xl);
}

.pettrade-section__sub::before,
.pettrade-section__sub::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 32px;
  height: 1px;
  background-color: var(--pt-accent);
}

.pettrade-section__sub::before { left: 0; }
.pettrade-section__sub::after { right: 0; }

.pettrade-section__desc {
  color: var(--pt-text-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================================
   P2. 首页 Hero 区（不对称布局 + 大尺度）
   ============================================================ */

.pettrade-hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-color: var(--pt-dark);
  overflow: hidden;
  padding: var(--pt-space-5xl) 0;
}

/* Hero 背景：多层渐变 + 网格纹理（非通用紫蓝）*/
.pettrade-hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(15, 118, 110, 0.45) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 85% 70%, rgba(217, 119, 6, 0.25) 0%, transparent 60%),
    linear-gradient(135deg, #0F172A 0%, #0B1F2A 50%, #0F172A 100%);
  z-index: 1;
}

/* 细网格纹理叠加 */
.pettrade-hero__bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.pettrade-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--pt-space-4xl);
  align-items: center;
}

.pettrade-hero__content {
  max-width: 640px;
}

/* Hero 上方小标签 */
.pettrade-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-xs) var(--pt-space-md);
  background-color: rgba(15, 118, 110, 0.18);
  border: 1px solid rgba(20, 184, 166, 0.3);
  border-radius: var(--pt-radius-pill);
  color: var(--pt-primary-light);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--pt-space-xl);
}

.pettrade-hero__eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--pt-primary-light);
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.2);
  animation: pt-blink 1.8s ease-in-out infinite;
}

@keyframes pt-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.pettrade-hero__title {
  color: var(--pt-white);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  margin-bottom: var(--pt-space-lg);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-family: var(--pt-font-display);
}

.pettrade-hero__title-en {
  display: block;
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  opacity: 0.5;
  margin-top: var(--pt-space-md);
  font-weight: 400;
  letter-spacing: 0.02em;
  font-family: var(--pt-font);
  font-style: italic;
}

/* 标题中突出关键词 */
.pettrade-hero__title em {
  font-style: normal;
  color: var(--pt-accent-light);
  position: relative;
  display: inline-block;
}

.pettrade-hero__subtitle {
  color: rgba(226, 232, 240, 0.85);
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  margin-bottom: var(--pt-space-2xl);
  line-height: 1.6;
  max-width: 540px;
}

.pettrade-hero__actions {
  display: flex;
  gap: var(--pt-space-md);
  flex-wrap: wrap;
  margin-bottom: var(--pt-space-2xl);
}

.pettrade-hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-md) var(--pt-space-2xl);
  border-radius: var(--pt-radius-btn);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--pt-transition);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.01em;
}

.pettrade-hero__btn--primary {
  background-color: var(--pt-accent);
  color: var(--pt-white);
  border-color: var(--pt-accent);
  box-shadow: var(--pt-shadow-amber);
}

.pettrade-hero__btn--primary:hover {
  background-color: var(--pt-accent-dark);
  border-color: var(--pt-accent-dark);
  color: var(--pt-white);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -8px rgba(217, 119, 6, 0.55);
}

.pettrade-hero__btn--ghost {
  background-color: transparent;
  color: var(--pt-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.pettrade-hero__btn--ghost:hover {
  background-color: var(--pt-white);
  color: var(--pt-dark);
  border-color: var(--pt-white);
  transform: translateY(-3px);
}

/* Hero 右侧视觉卡（数据浮卡）*/
.pettrade-hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.pettrade-hero__card {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: var(--pt-space-2xl);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--pt-radius-lg);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5);
}

.pettrade-hero__card-title {
  color: var(--pt-white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--pt-space-lg);
  opacity: 0.7;
  font-weight: 700;
}

.pettrade-hero__card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pt-space-lg);
}

.pettrade-hero__card-stat {
  padding: var(--pt-space-md);
  background-color: rgba(255, 255, 255, 0.04);
  border-radius: var(--pt-radius-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.pettrade-hero__card-num {
  font-family: var(--pt-font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--pt-accent-light);
  line-height: 1;
  margin-bottom: var(--pt-space-xs);
  letter-spacing: -0.03em;
}

.pettrade-hero__card-num--teal {
  color: var(--pt-primary-light);
}

.pettrade-hero__card-label {
  color: rgba(226, 232, 240, 0.7);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* Hero 底部信任标识 */
.pettrade-hero__trust {
  display: flex;
  align-items: center;
  gap: var(--pt-space-xl);
  flex-wrap: wrap;
  padding-top: var(--pt-space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.pettrade-hero__trust-item {
  color: rgba(226, 232, 240, 0.6);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: var(--pt-space-xs);
}

.pettrade-hero__trust-item::before {
  content: "✓";
  color: var(--pt-primary-light);
  font-weight: 900;
  font-size: 1rem;
}

/* 滚动指示器 */
.pettrade-hero__scroll {
  position: absolute;
  bottom: var(--pt-space-xl);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(226, 232, 240, 0.5);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--pt-space-xs);
  animation: pt-scroll-hint 2s ease-in-out infinite;
}

.pettrade-hero__scroll::after {
  content: "";
  width: 1px;
  height: 30px;
  background: linear-gradient(to bottom, rgba(226, 232, 240, 0.5), transparent);
}

@keyframes pt-scroll-hint {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.5; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ============================================================
   P3. 工厂数据看板（大数字 + 装饰元素）
   ============================================================ */

.pettrade-stats {
  background-color: var(--pt-white);
  padding: var(--pt-space-4xl) 0;
  position: relative;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.pettrade-stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
  text-align: center;
  position: relative;
}

/* 卡片间分隔线 */
.pettrade-stats__grid::before {
  content: "";
  position: absolute;
  top: 20%;
  bottom: 20%;
  left: 25%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, 0.08), transparent);
}

.pettrade-stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding: 0 var(--pt-space-md);
}

.pettrade-stats__number {
  font-family: var(--pt-font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--pt-primary);
  line-height: 1;
  letter-spacing: -0.04em;
  display: inline-block;
}

.pettrade-stats__suffix {
  font-size: clamp(1.2rem, 2vw, 1.75rem);
  font-weight: 800;
  color: var(--pt-primary);
  margin-left: 2px;
}

.pettrade-stats__label {
  font-size: 0.9rem;
  color: var(--pt-text-muted);
  margin-top: var(--pt-space-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

/* ============================================================
   P4. 产品分类入口（大图卡片 + 悬停效果）
   ============================================================ */

.pettrade-cats {
  padding: var(--pt-space-5xl) 0;
  background-color: var(--pt-bg-light);
  position: relative;
}

.pettrade-cats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--pt-space-xl);
}

.pettrade-cats__card {
  position: relative;
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-lg);
  overflow: hidden;
  box-shadow: var(--pt-shadow-md);
  transition: var(--pt-transition-slow);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.pettrade-cats__card:hover {
  transform: translateY(-8px);
  box-shadow: var(--pt-shadow-xl);
}

.pettrade-cats__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.pettrade-cats__thumb {
  aspect-ratio: 16 / 11;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 分类卡片背景：三种不同的渐变（非通用蓝）*/
.pettrade-cats__card:nth-child(1) .pettrade-cats__thumb {
  background:
    radial-gradient(circle at 30% 50%, rgba(20, 184, 166, 0.4) 0%, transparent 70%),
    linear-gradient(135deg, #0F766E 0%, #0B5C55 100%);
}

.pettrade-cats__card:nth-child(2) .pettrade-cats__thumb {
  background:
    radial-gradient(circle at 70% 30%, rgba(245, 158, 11, 0.4) 0%, transparent 70%),
    linear-gradient(135deg, #D97706 0%, #B45309 100%);
}

.pettrade-cats__card:nth-child(3) .pettrade-cats__thumb {
  background:
    radial-gradient(circle at 50% 70%, rgba(148, 163, 184, 0.4) 0%, transparent 70%),
    linear-gradient(135deg, #334155 0%, #1E293B 100%);
}

/* 卡片大字图标 */
.pettrade-cats__icon {
  font-family: var(--pt-font-display);
  font-size: 6rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.18);
  letter-spacing: -0.05em;
  transition: var(--pt-transition-slow);
  line-height: 1;
}

.pettrade-cats__card:hover .pettrade-cats__icon {
  transform: scale(1.1) rotate(-3deg);
  color: rgba(255, 255, 255, 0.3);
}

/* 悬停遮罩 */
.pettrade-cats__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3) 0%, transparent 50%);
  opacity: 0;
  transition: var(--pt-transition);
}

.pettrade-cats__card:hover .pettrade-cats__thumb::after {
  opacity: 1;
}

.pettrade-cats__body {
  padding: var(--pt-space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pettrade-cats__name {
  font-size: 1.5rem;
  margin-bottom: var(--pt-space-xs);
  color: var(--pt-dark);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.pettrade-cats__name-en {
  font-size: 0.8rem;
  color: var(--pt-text-light);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

.pettrade-cats__more {
  color: var(--pt-primary);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-xs);
  padding: var(--pt-space-xs) var(--pt-space-md);
  border-radius: var(--pt-radius-pill);
  background-color: var(--pt-primary-tint);
  transition: var(--pt-transition);
}

.pettrade-cats__more:hover {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  transform: translateX(4px);
}

/* ============================================================
   P5. 热品推荐（精致的产品卡片）
   ============================================================ */

.pettrade-hot {
  padding: var(--pt-space-5xl) 0;
  background-color: var(--pt-white);
}

.pettrade-products {
  display: grid;
  gap: var(--pt-space-xl);
}

.pettrade-products--cols4 {
  grid-template-columns: repeat(4, 1fr);
}

.pettrade-products--cols3 {
  grid-template-columns: repeat(3, 1fr);
}

.pettrade-products__item {
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-card);
  box-shadow: var(--pt-shadow-sm);
  overflow: hidden;
  transition: var(--pt-transition);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(15, 23, 42, 0.06);
  position: relative;
}

.pettrade-products__item:hover {
  transform: translateY(-6px);
  box-shadow: var(--pt-shadow-xl);
  border-color: var(--pt-primary-light);
}

/* 悬停时显示的快速询盘按钮 */
.pettrade-products__item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--pt-primary) 0%, var(--pt-accent) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.pettrade-products__item:hover::after {
  transform: scaleX(1);
}

.pettrade-products__link {
  display: block;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.pettrade-products__thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: var(--pt-bg-light);
  position: relative;
}

.pettrade-products__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  padding: var(--pt-space-lg);
}

.pettrade-products__item:hover .pettrade-products__thumb img {
  transform: scale(1.08);
}

.pettrade-products__body {
  padding: var(--pt-space-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pettrade-products__title {
  font-size: 1.05rem;
  margin-bottom: var(--pt-space-xs);
  color: var(--pt-dark);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.pettrade-products__desc {
  font-size: 0.875rem;
  color: var(--pt-text-muted);
  margin-bottom: var(--pt-space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
  flex: 1;
}

.pettrade-products__more {
  color: var(--pt-primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-xs);
  transition: var(--pt-transition);
}

.pettrade-products__more:hover {
  color: var(--pt-accent);
  gap: var(--pt-space-sm);
}

.pettrade-products__placeholder {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--pt-bg-light) 0%, var(--pt-primary-tint) 100%);
}

/* 查看全部产品 */
.pettrade-hot__footer {
  text-align: center;
  margin-top: var(--pt-space-3xl);
}

/* ============================================================
   P6. 优势/承诺区（新增 - 强化说服结构）
   ============================================================ */

.pettrade-features {
  padding: var(--pt-space-5xl) 0;
  background-color: var(--pt-dark);
  color: var(--pt-text-on-dark);
  position: relative;
  overflow: hidden;
}

.pettrade-features::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.pettrade-features .pettrade-section__title {
  color: var(--pt-white);
}

.pettrade-features .pettrade-section__sub {
  color: var(--pt-accent-light);
}

.pettrade-features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
  position: relative;
}

.pettrade-features__item {
  padding: var(--pt-space-xl);
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--pt-radius-card);
  transition: var(--pt-transition);
  position: relative;
  overflow: hidden;
}

.pettrade-features__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--pt-primary-light), var(--pt-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.pettrade-features__item:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(20, 184, 166, 0.3);
  transform: translateY(-4px);
}

.pettrade-features__item:hover::before {
  transform: scaleX(1);
}

.pettrade-features__num {
  font-family: var(--pt-font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--pt-primary-light);
  line-height: 1;
  margin-bottom: var(--pt-space-md);
  letter-spacing: -0.04em;
  opacity: 0.6;
}

.pettrade-features__title {
  color: var(--pt-white);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--pt-space-sm);
  letter-spacing: -0.01em;
}

.pettrade-features__desc {
  color: var(--pt-text-on-dark-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ============================================================
   P7. 认证墙（深色背景 + 标签风格）
   ============================================================ */

.pettrade-cert {
  padding: var(--pt-space-5xl) 0;
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.08) 0%, transparent 60%),
    var(--pt-bg-light);
  position: relative;
}

.pettrade-cert__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--pt-space-md);
  max-width: 900px;
  margin: 0 auto;
}

.pettrade-cert__item {
  display: flex;
  align-items: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-md) var(--pt-space-xl);
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-pill);
  box-shadow: var(--pt-shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: var(--pt-transition);
  font-weight: 700;
}

.pettrade-cert__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--pt-shadow-md);
  border-color: var(--pt-primary-light);
}

.pettrade-cert__icon {
  color: var(--pt-primary);
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--pt-primary-tint);
  font-weight: 900;
}

.pettrade-cert__name {
  color: var(--pt-dark);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

/* ============================================================
   P8. CTA 询盘区（强视觉冲击）
   ============================================================ */

.pettrade-cta {
  padding: var(--pt-space-5xl) 0;
  background:
    radial-gradient(ellipse 80% 100% at 50% 50%, rgba(217, 119, 6, 0.18) 0%, transparent 70%),
    linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

/* CTA 装饰图形 */
.pettrade-cta::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.pettrade-cta::after {
  content: "";
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.pettrade-cta__inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--pt-space-lg);
  position: relative;
  z-index: 2;
}

.pettrade-cta__sub {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-weight: 700;
  margin-bottom: var(--pt-space-md);
  display: inline-block;
}

.pettrade-cta__title {
  color: var(--pt-white);
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: var(--pt-space-md);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-family: var(--pt-font-display);
}

.pettrade-cta__desc {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.1rem;
  margin: 0 0 var(--pt-space-2xl);
  line-height: 1.7;
}

.pettrade-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-lg) var(--pt-space-3xl);
  background-color: var(--pt-accent);
  color: var(--pt-white);
  border-radius: var(--pt-radius-btn);
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  transition: var(--pt-transition);
  border: 2px solid var(--pt-accent);
  box-shadow: var(--pt-shadow-amber);
  letter-spacing: 0.01em;
}

.pettrade-cta__btn:hover {
  background-color: var(--pt-accent-dark);
  border-color: var(--pt-accent-dark);
  color: var(--pt-white);
  transform: translateY(-3px);
  box-shadow: 0 18px 45px -8px rgba(217, 119, 6, 0.55);
}

/* CTA 下方信任标识 */
.pettrade-cta__trust {
  display: flex;
  justify-content: center;
  gap: var(--pt-space-xl);
  flex-wrap: wrap;
  margin-top: var(--pt-space-2xl);
  padding-top: var(--pt-space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.pettrade-cta__trust-item {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: var(--pt-space-xs);
}

.pettrade-cta__trust-item::before {
  content: "✓";
  color: var(--pt-accent-light);
  font-weight: 900;
}

/* ============================================================
   P9. 页面头部
   ============================================================ */

.pettrade-pagehead {
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.06) 0%, transparent 60%),
    var(--pt-bg-light);
  padding: var(--pt-space-4xl) 0;
  text-align: center;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.pettrade-pagehead__title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--pt-dark);
  font-weight: 900;
  margin-bottom: var(--pt-space-sm);
  letter-spacing: -0.03em;
  font-family: var(--pt-font-display);
}

.pettrade-pagehead__sub {
  color: var(--pt-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ============================================================
   P10. 产品列表/筛选
   ============================================================ */

.pettrade-archive {
  padding: var(--pt-space-4xl) 0;
}

.pettrade-archive__main {
  max-width: var(--pt-container);
  margin: 0 auto;
  padding-left: var(--pt-space-lg);
  padding-right: var(--pt-space-lg);
}

.pettrade-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pt-space-md);
  margin-bottom: var(--pt-space-2xl);
  padding: var(--pt-space-xl);
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-card);
  align-items: center;
  box-shadow: var(--pt-shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.pettrade-filter__group {
  display: flex;
  align-items: center;
  gap: var(--pt-space-sm);
  flex-wrap: wrap;
}

.pettrade-filter__label {
  font-weight: 700;
  color: var(--pt-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pettrade-filter__link {
  padding: var(--pt-space-xs) var(--pt-space-md);
  border: 1px solid #E2E8F0;
  border-radius: var(--pt-radius-pill);
  color: var(--pt-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--pt-transition);
  display: inline-block;
}

.pettrade-filter__link:hover {
  border-color: var(--pt-primary);
  color: var(--pt-primary);
  background-color: var(--pt-primary-tint);
}

.pettrade-filter__link--active,
.pettrade-filter__link.current {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  border-color: var(--pt-primary);
}

.pettrade-filter__link--active:hover,
.pettrade-filter__link.current:hover {
  color: var(--pt-white);
  border-color: var(--pt-primary);
  background-color: var(--pt-primary-dark);
}

/* ============================================================
   P11. 分页
   ============================================================ */

.pettrade-pagination {
  display: flex;
  justify-content: center;
  margin-top: var(--pt-space-3xl);
}

/* WordPress the_posts_pagination() 输出的内层 nav */
.pettrade-pagination .navigation {
  display: flex;
}

.pettrade-pagination .nav-links {
  display: flex;
  gap: var(--pt-space-xs);
  flex-wrap: wrap;
  justify-content: center;
}

.pettrade-pagination .screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.pettrade-pagination a,
.pettrade-pagination span,
.pettrade-pagination .page-numbers {
  min-width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #E2E8F0;
  border-radius: var(--pt-radius-btn);
  color: var(--pt-text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0 var(--pt-space-sm);
  transition: var(--pt-transition);
  background-color: var(--pt-white);
}

.pettrade-pagination .dots {
  border: none;
  background: transparent;
  min-width: auto;
  cursor: default;
}

.pettrade-pagination a:hover,
.pettrade-pagination a.page-numbers:hover {
  border-color: var(--pt-primary);
  color: var(--pt-primary);
  transform: translateY(-2px);
  box-shadow: var(--pt-shadow-sm);
}

.pettrade-pagination .current,
.pettrade-pagination span.current,
.pettrade-pagination .page-numbers.current {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  border-color: var(--pt-primary);
  box-shadow: var(--pt-shadow-teal);
}

.pettrade-pagination .next,
.pettrade-pagination .prev {
  padding: 0 var(--pt-space-md);
}

/* ============================================================
   P12. 面包屑
   ============================================================ */

.pettrade-breadcrumb {
  padding: var(--pt-space-md) 0;
  font-size: 0.85rem;
  color: var(--pt-text-light);
}

.pettrade-breadcrumb a {
  color: var(--pt-text-muted);
  text-decoration: none;
  transition: var(--pt-transition-fast);
}

.pettrade-breadcrumb a:hover {
  color: var(--pt-primary);
}

.pettrade-breadcrumb__sep {
  margin: 0 var(--pt-space-sm);
  color: var(--pt-text-light);
}

/* ============================================================
   P13. 产品详情
   ============================================================ */

.pettrade-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pt-space-3xl);
  padding: var(--pt-space-3xl) 0;
}

.pettrade-detail__gallery {
  position: sticky;
  top: 100px;
  align-self: start;
}

.pettrade-detail__main-img {
  width: 100%;
  border-radius: var(--pt-radius-card);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background-color: var(--pt-bg-light);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.pettrade-detail__thumbs {
  display: flex;
  gap: var(--pt-space-sm);
  margin-top: var(--pt-space-md);
  flex-wrap: wrap;
}

.pettrade-detail__thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--pt-radius-btn);
  border: 2px solid transparent;
  cursor: pointer;
  object-fit: contain;
  background-color: var(--pt-bg-light);
  transition: var(--pt-transition);
}

.pettrade-detail__thumb:hover {
  border-color: var(--pt-primary-light);
  transform: translateY(-2px);
}

.pettrade-detail__thumb--active,
.pettrade-detail__thumb.is-active {
  border-color: var(--pt-primary);
}

.pettrade-detail__info {
  padding: 0;
}

.pettrade-detail__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: var(--pt-space-md);
  color: var(--pt-dark);
  font-weight: 900;
  letter-spacing: -0.03em;
  font-family: var(--pt-font-display);
  line-height: 1.15;
}

.pettrade-detail__excerpt {
  color: var(--pt-text-muted);
  margin-bottom: var(--pt-space-xl);
  line-height: 1.7;
  font-size: 1.05rem;
}

.pettrade-detail__specs {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--pt-space-xl);
  border-radius: var(--pt-radius-card);
  overflow: hidden;
  box-shadow: var(--pt-shadow-sm);
}

.pettrade-detail__specs th {
  background-color: var(--pt-primary-tint);
  padding: var(--pt-space-md) var(--pt-space-lg);
  text-align: left;
  font-weight: 700;
  width: 140px;
  border: 1px solid rgba(15, 118, 110, 0.1);
  color: var(--pt-dark);
  font-size: 0.9rem;
}

.pettrade-detail__specs td {
  padding: var(--pt-space-md) var(--pt-space-lg);
  border: 1px solid rgba(15, 23, 42, 0.06);
  color: var(--pt-text);
}

.pettrade-detail__actions {
  display: flex;
  gap: var(--pt-space-md);
  margin: var(--pt-space-xl) 0;
  flex-wrap: wrap;
}

.pettrade-detail__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-md) var(--pt-space-2xl);
  border-radius: var(--pt-radius-btn);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--pt-transition);
  border: 2px solid transparent;
}

.pettrade-detail__btn--primary {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  border-color: var(--pt-primary);
  box-shadow: var(--pt-shadow-teal);
}

.pettrade-detail__btn--primary:hover {
  background-color: var(--pt-primary-dark);
  border-color: var(--pt-primary-dark);
  color: var(--pt-white);
  transform: translateY(-2px);
}

.pettrade-detail__btn--accent {
  background-color: var(--pt-accent);
  color: var(--pt-white);
  border-color: var(--pt-accent);
  box-shadow: var(--pt-shadow-amber);
}

.pettrade-detail__btn--accent:hover {
  background-color: var(--pt-accent-dark);
  border-color: var(--pt-accent-dark);
  color: var(--pt-white);
  transform: translateY(-2px);
}

.pettrade-detail__certs {
  display: flex;
  gap: var(--pt-space-sm);
  margin: var(--pt-space-lg) 0;
  flex-wrap: wrap;
}

.pettrade-detail__cert {
  padding: var(--pt-space-xs) var(--pt-space-md);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: var(--pt-radius-pill);
  font-size: 0.8rem;
  color: var(--pt-primary);
  background-color: var(--pt-primary-tint);
  font-weight: 600;
}

.pettrade-detail__content {
  margin-top: var(--pt-space-3xl);
  padding-top: var(--pt-space-3xl);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  grid-column: 1 / -1;
}

.pettrade-detail__content h2,
.pettrade-detail__content h3 {
  margin-top: var(--pt-space-xl);
  margin-bottom: var(--pt-space-md);
}

.pettrade-detail__content p,
.pettrade-detail__content li {
  line-height: 1.8;
  color: var(--pt-text);
}

.pettrade-detail__related {
  margin-top: var(--pt-space-3xl);
  padding-top: var(--pt-space-3xl);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  grid-column: 1 / -1;
}

/* ============================================================
   P14. 关于我们页面
   ============================================================ */

.pettrade-about {
  padding: 0;
}

.pettrade-about__hero {
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.08) 0%, transparent 60%),
    var(--pt-bg-light);
  padding: var(--pt-space-5xl) 0;
  text-align: center;
}

.pettrade-about__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pt-space-3xl);
  padding: var(--pt-space-5xl) 0;
  align-items: center;
}

.pettrade-about__intro-text {
  color: var(--pt-text);
  line-height: 1.8;
}

.pettrade-about__intro-text h2 {
  margin-bottom: var(--pt-space-md);
}

.pettrade-about__intro-text p {
  margin-bottom: var(--pt-space-md);
  color: var(--pt-text-muted);
}

.pettrade-about__intro-img {
  background:
    radial-gradient(circle at 30% 50%, rgba(20, 184, 166, 0.4) 0%, transparent 70%),
    linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
  border-radius: var(--pt-radius-lg);
  min-height: 380px;
  width: 100%;
  position: relative;
  overflow: hidden;
}

.pettrade-about__intro-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.pettrade-about__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
  padding: var(--pt-space-3xl) 0;
  background:
    radial-gradient(ellipse at center, rgba(217, 119, 6, 0.15) 0%, transparent 70%),
    linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
}

.pettrade-about__stat {
  text-align: center;
  color: var(--pt-white);
}

.pettrade-about__stat-number {
  font-family: var(--pt-font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.pettrade-about__stat-label {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: var(--pt-space-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.pettrade-about__timeline {
  padding: var(--pt-space-5xl) 0;
}

.pettrade-about__timeline-list {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.pettrade-about__timeline-list::before {
  content: "";
  position: absolute;
  left: 120px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--pt-primary), var(--pt-accent));
}

.pettrade-about__timeline-item {
  display: flex;
  gap: var(--pt-space-xl);
  margin-bottom: var(--pt-space-2xl);
  position: relative;
}

.pettrade-about__timeline-item::before {
  content: "";
  position: absolute;
  left: 114px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--pt-white);
  border: 3px solid var(--pt-primary);
  z-index: 2;
}

.pettrade-about__timeline-year {
  font-family: var(--pt-font-display);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--pt-primary);
  min-width: 100px;
  letter-spacing: -0.02em;
}

.pettrade-about__timeline-content {
  flex: 1;
  padding-left: var(--pt-space-2xl);
}

.pettrade-about__timeline-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--pt-space-xs);
  color: var(--pt-dark);
}

.pettrade-about__timeline-desc {
  color: var(--pt-text-muted);
  line-height: 1.7;
}

.pettrade-about__team {
  padding: var(--pt-space-5xl) 0;
  background-color: var(--pt-bg-light);
}

.pettrade-about__team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
}

.pettrade-about__member {
  text-align: center;
}

.pettrade-about__member-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-accent) 100%);
  margin: 0 auto var(--pt-space-md);
  position: relative;
  overflow: hidden;
}

.pettrade-about__member-avatar::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background-color: var(--pt-white);
  background-image: linear-gradient(135deg, var(--pt-primary-tint) 0%, var(--pt-accent-soft) 100%);
}

.pettrade-about__member-name {
  font-weight: 700;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-xs);
  font-size: 1.05rem;
}

.pettrade-about__member-role {
  color: var(--pt-text-muted);
  font-size: 0.85rem;
}

/* ============================================================
   P15. 认证页面
   ============================================================ */

.pettrade-cert-page {
  padding: 0;
}

.pettrade-cert-page__hero {
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.08) 0%, transparent 60%),
    var(--pt-bg-light);
  padding: var(--pt-space-5xl) 0;
  text-align: center;
}

.pettrade-cert-page__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
  padding: var(--pt-space-5xl) 0;
}

.pettrade-cert-page__card {
  background-color: var(--pt-white);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: var(--pt-radius-card);
  padding: var(--pt-space-2xl);
  text-align: center;
  transition: var(--pt-transition);
  position: relative;
  overflow: hidden;
}

.pettrade-cert-page__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--pt-primary), var(--pt-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.pettrade-cert-page__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--pt-shadow-lg);
  border-color: var(--pt-primary-light);
}

.pettrade-cert-page__card:hover::before {
  transform: scaleX(1);
}

.pettrade-cert-page__card-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, var(--pt-primary-light) 0%, var(--pt-primary) 100%);
  color: var(--pt-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--pt-space-lg);
  font-size: 1.6rem;
  font-weight: 900;
  font-family: var(--pt-font-display);
  box-shadow: var(--pt-shadow-teal);
}

.pettrade-cert-page__card-name {
  font-weight: 800;
  margin-bottom: var(--pt-space-sm);
  color: var(--pt-dark);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.pettrade-cert-page__card-desc {
  color: var(--pt-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.pettrade-cert-page__process {
  padding: var(--pt-space-5xl) 0;
  background-color: var(--pt-bg-light);
}

.pettrade-cert-page__process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
}

.pettrade-cert-page__process-item {
  text-align: center;
  position: relative;
}

.pettrade-cert-page__process-step {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pt-accent) 0%, var(--pt-accent-dark) 100%);
  color: var(--pt-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--pt-space-md);
  font-weight: 900;
  font-size: 1.3rem;
  font-family: var(--pt-font-display);
  box-shadow: var(--pt-shadow-amber);
}

.pettrade-cert-page__process-title {
  font-weight: 700;
  margin-bottom: var(--pt-space-xs);
  color: var(--pt-dark);
}

.pettrade-cert-page__process-desc {
  color: var(--pt-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ------------------------------------------------------------
   P15b. 资质认证页面（pettrade-cert__ 前缀 — 与模板匹配）
   ------------------------------------------------------------ */

.pettrade-cert {
  padding: 0;
}

/* === 页面头部 Banner === */

.pettrade-cert__hero {
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.08) 0%, transparent 60%),
    var(--pt-bg-light);
  padding: var(--pt-space-5xl) 0;
  text-align: center;
}

.pettrade-cert__hero-inner {
  max-width: var(--pt-container-narrow);
  margin: 0 auto;
  padding: 0 var(--pt-space-lg);
}

.pettrade-cert__hero-title {
  font-family: var(--pt-font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-md);
  letter-spacing: -0.03em;
}

.pettrade-cert__hero-desc {
  font-size: 1.125rem;
  color: var(--pt-text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === 通用容器 + 标题 === */

.pettrade-cert__container {
  max-width: var(--pt-container);
  margin: 0 auto;
  padding-left: var(--pt-space-lg);
  padding-right: var(--pt-space-lg);
}

.pettrade-cert__section-title {
  font-family: var(--pt-font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-2xl);
  letter-spacing: -0.02em;
}

.pettrade-cert__section-title--center {
  text-align: center;
}

/* === 认证网格区 === */

.pettrade-cert__grid-section {
  padding: var(--pt-space-5xl) 0;
}

.pettrade-cert__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--pt-space-xl);
}

.pettrade-cert__card {
  background-color: var(--pt-white);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: var(--pt-radius-card);
  padding: var(--pt-space-2xl);
  text-align: center;
  transition: var(--pt-transition);
  position: relative;
  overflow: hidden;
}

.pettrade-cert__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--pt-primary), var(--pt-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.pettrade-cert__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--pt-shadow-lg);
  border-color: var(--pt-primary-light);
}

.pettrade-cert__card:hover::before {
  transform: scaleX(1);
}

.pettrade-cert__card-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--pt-primary-light) 0%, var(--pt-primary) 100%);
  color: var(--pt-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--pt-space-lg);
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: var(--pt-shadow-teal);
}

.pettrade-cert__card-name {
  font-weight: 800;
  margin-bottom: var(--pt-space-sm);
  color: var(--pt-dark);
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.pettrade-cert__card-desc {
  color: var(--pt-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* === 质量管理体系（两栏：文本 + 图示） === */

.pettrade-cert__qms {
  background-color: var(--pt-bg-light);
  padding: var(--pt-space-5xl) 0;
}

.pettrade-cert__qms-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--pt-space-3xl);
  align-items: center;
}

.pettrade-cert__qms-text {
  /* 文本列 */
}

.pettrade-cert__qms-text p {
  color: var(--pt-text-muted);
  line-height: 1.8;
  margin-bottom: var(--pt-space-lg);
}

.pettrade-cert__qms-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pettrade-cert__qms-list li {
  position: relative;
  padding-left: var(--pt-space-2xl);
  margin-bottom: var(--pt-space-md);
  color: var(--pt-text);
  line-height: 1.6;
  font-size: 0.95rem;
}

.pettrade-cert__qms-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-light) 100%);
  color: var(--pt-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  flex-shrink: 0;
}

.pettrade-cert__qms-media {
  /* 图示列 */
}

.pettrade-cert__qms-placeholder {
  aspect-ratio: 4 / 3;
  border-radius: var(--pt-radius-lg);
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.06) 0%, rgba(217, 119, 6, 0.06) 100%),
    var(--pt-white);
  border: 1px dashed rgba(15, 118, 110, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pt-text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

/* === 检测流程（步骤卡片） === */

.pettrade-cert__process {
  padding: var(--pt-space-5xl) 0;
}

.pettrade-cert__process-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
  padding: 0;
  margin: 0;
  counter-reset: process-counter;
}

.pettrade-cert__process-item {
  text-align: center;
  position: relative;
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-card);
  padding: var(--pt-space-2xl) var(--pt-space-lg);
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: var(--pt-transition);
}

.pettrade-cert__process-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--pt-shadow-md);
  border-color: var(--pt-accent-light);
}

.pettrade-cert__process-step {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pt-accent) 0%, var(--pt-accent-dark) 100%);
  color: var(--pt-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--pt-space-md);
  font-weight: 900;
  font-size: 1.3rem;
  font-family: var(--pt-font-display);
  box-shadow: var(--pt-shadow-amber);
}

.pettrade-cert__process-title {
  font-weight: 700;
  margin-bottom: var(--pt-space-xs);
  color: var(--pt-dark);
  font-size: 1.05rem;
}

.pettrade-cert__process-desc {
  color: var(--pt-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ============================================================
   P16. FAQ 页面
   ============================================================ */

.pettrade-faq {
  padding: 0;
}

.pettrade-faq__hero {
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.08) 0%, transparent 60%),
    var(--pt-bg-light);
  padding: var(--pt-space-5xl) 0;
  text-align: center;
}

.pettrade-faq__list {
  max-width: 820px;
  margin: 0 auto;
  padding: var(--pt-space-5xl) 0;
}

.pettrade-faq__item {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--pt-radius-card);
  margin-bottom: var(--pt-space-md);
  overflow: hidden;
  background-color: var(--pt-white);
  transition: var(--pt-transition);
}

.pettrade-faq__item:hover {
  border-color: var(--pt-primary-light);
  box-shadow: var(--pt-shadow-sm);
}

.pettrade-faq__item summary {
  padding: var(--pt-space-lg) var(--pt-space-xl);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--pt-dark);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

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

.pettrade-faq__item summary::after {
  content: '+';
  font-size: 1.75rem;
  color: var(--pt-primary);
  flex-shrink: 0;
  margin-left: var(--pt-space-md);
  transition: var(--pt-transition);
  font-weight: 300;
  line-height: 1;
}

.pettrade-faq__item[open] summary::after {
  content: '−';
  color: var(--pt-accent);
}

.pettrade-faq__item[open] summary {
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
  background-color: var(--pt-primary-tint);
}

.pettrade-faq__answer {
  padding: var(--pt-space-lg) var(--pt-space-xl) var(--pt-space-xl);
  color: var(--pt-text-muted);
  line-height: 1.8;
}

.pettrade-faq__cta {
  text-align: center;
  padding: var(--pt-space-5xl) 0;
  background:
    radial-gradient(ellipse at center, rgba(217, 119, 6, 0.15) 0%, transparent 70%),
    linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
  color: var(--pt-white);
}

.pettrade-faq__cta h2 {
  color: var(--pt-white);
  margin-bottom: var(--pt-space-md);
  font-family: var(--pt-font-display);
}

.pettrade-faq__cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--pt-space-xl);
}

/* ============================================================
   P17. 联系我们页面
   ============================================================ */

.pettrade-contact {
  padding: 0;
}

/* ============ 页面头部 Banner ============ */

.pettrade-contact__hero {
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.08) 0%, transparent 60%),
    var(--pt-bg-light);
  padding: var(--pt-space-5xl) 0;
  text-align: center;
}

.pettrade-contact__hero-inner {
  max-width: var(--pt-container-narrow);
  margin: 0 auto;
  padding: 0 var(--pt-space-lg);
}

.pettrade-contact__hero-title {
  font-family: var(--pt-font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-md);
  letter-spacing: -0.03em;
}

.pettrade-contact__hero-desc {
  font-size: 1.125rem;
  color: var(--pt-text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============ 两列布局：联系信息 + 询盘表单 ============ */

.pettrade-contact__container {
  max-width: var(--pt-container);
  margin: 0 auto;
  padding-left: var(--pt-space-lg);
  padding-right: var(--pt-space-lg);
}

.pettrade-contact__grid,
.pettrade-contact__layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--pt-space-3xl);
  padding: var(--pt-space-5xl) 0;
  align-items: start;
}

.pettrade-contact__section-title {
  font-family: var(--pt-font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-xl);
  letter-spacing: -0.02em;
  padding-bottom: var(--pt-space-md);
  border-bottom: 2px solid rgba(15, 118, 110, 0.12);
}

/* ============ 左列：联系信息（统一大卡片 + 紧凑两列标签布局） ============ */

.pettrade-contact__info {
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-lg);
  padding: var(--pt-space-2xl);
  box-shadow: var(--pt-shadow-md);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.pettrade-contact__info-list {
  list-style: none;
  margin: 0 0 var(--pt-space-xl);
  padding: 0;
}

.pettrade-contact__info-item {
  display: flex;
  gap: var(--pt-space-lg);
  align-items: baseline;
  padding: var(--pt-space-md) 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  transition: var(--pt-transition-fast);
}

.pettrade-contact__info-item:last-child {
  border-bottom: none;
}

.pettrade-contact__info-item:hover {
  padding-left: var(--pt-space-sm);
  color: var(--pt-primary);
}

.pettrade-contact__info-item:hover .pettrade-contact__info-value {
  color: var(--pt-primary);
}

.pettrade-contact__info-label {
  min-width: 88px;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--pt-dark);
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

.pettrade-contact__info-value {
  flex: 1;
  color: var(--pt-text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
  transition: var(--pt-transition-fast);
  word-break: break-word;
}

.pettrade-contact__info-value a {
  color: inherit;
}

.pettrade-contact__info-value a:hover {
  color: var(--pt-primary);
}

/* ============ 社交媒体区 ============ */

.pettrade-contact__social {
  padding-top: var(--pt-space-xl);
  border-top: 1px solid rgba(15, 23, 42, 0.05);
}

.pettrade-contact__social-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-md);
}

.pettrade-contact__social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pt-space-sm);
}

.pettrade-contact__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--pt-space-sm) var(--pt-space-md);
  background-color: var(--pt-bg-light);
  border-radius: var(--pt-radius-btn);
  color: var(--pt-primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--pt-transition-fast);
  border: 1px solid rgba(15, 118, 110, 0.08);
}

.pettrade-contact__social-link:hover {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  border-color: var(--pt-primary);
  transform: translateY(-2px);
  box-shadow: var(--pt-shadow-sm);
}

/* ============ 右列：询盘表单 ============ */

.pettrade-contact__form-wrap {
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-lg);
  padding: var(--pt-space-2xl);
  box-shadow: var(--pt-shadow-md);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.pettrade-contact__form {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  border: none;
}

.pettrade-contact__form-group,
.pettrade-contact__form-row {
  margin-bottom: var(--pt-space-md);
}

.pettrade-contact__form-label {
  display: block;
  margin-bottom: var(--pt-space-xs);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--pt-dark);
  letter-spacing: 0.01em;
}

.pettrade-contact__form-input {
  width: 100%;
  padding: var(--pt-space-md) var(--pt-space-lg);
  border: 2px solid #E2E8F0;
  border-radius: var(--pt-radius-btn);
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--pt-white);
  color: var(--pt-text);
  transition: var(--pt-transition);
}

.pettrade-contact__form-input:focus {
  outline: none;
  border-color: var(--pt-primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.pettrade-contact__form-textarea {
  width: 100%;
  padding: var(--pt-space-md) var(--pt-space-lg);
  border: 2px solid #E2E8F0;
  border-radius: var(--pt-radius-btn);
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--pt-white);
  color: var(--pt-text);
  min-height: 140px;
  resize: vertical;
  transition: var(--pt-transition);
}

.pettrade-contact__form-textarea:focus {
  outline: none;
  border-color: var(--pt-primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.pettrade-contact__form-submit {
  padding: var(--pt-space-md) var(--pt-space-2xl);
  background-color: var(--pt-accent);
  color: var(--pt-white);
  border: none;
  border-radius: var(--pt-radius-btn);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--pt-transition);
  font-family: inherit;
  box-shadow: var(--pt-shadow-amber);
}

.pettrade-contact__form-submit:hover {
  background-color: var(--pt-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 35px -8px rgba(217, 119, 6, 0.5);
}

/* ============ 地图嵌入区 ============ */

.pettrade-contact__map {
  width: 100%;
  background-color: var(--pt-bg-light);
  line-height: 0;
}

.pettrade-contact__map-iframe {
  width: 100%;
  height: 420px;
  border: none;
  display: block;
}

/* ============ 多渠道联系方式 ============ */

.pettrade-contact__channels {
  display: flex;
  gap: var(--pt-space-lg);
  justify-content: center;
  padding: var(--pt-space-5xl) 0;
  flex-wrap: wrap;
  background-color: var(--pt-bg-light);
}

.pettrade-contact__channels-grid {
  display: flex;
  gap: var(--pt-space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.pettrade-contact__channel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-xl);
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-card);
  box-shadow: var(--pt-shadow-sm);
  min-width: 180px;
  transition: var(--pt-transition);
  border: 1px solid rgba(15, 23, 42, 0.06);
  text-decoration: none;
}

.pettrade-contact__channel:hover {
  transform: translateY(-6px);
  box-shadow: var(--pt-shadow-lg);
  border-color: var(--pt-primary-light);
}

.pettrade-contact__channel-icon {
  font-size: 1.25rem;
  color: var(--pt-white);
  background: linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-accent) 100%);
  padding: var(--pt-space-sm) var(--pt-space-lg);
  border-radius: var(--pt-radius-pill);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pettrade-contact__channel-label,
.pettrade-contact__channel-name {
  font-weight: 700;
  color: var(--pt-dark);
  text-align: center;
  font-size: 0.95rem;
}

.pettrade-contact__channel-desc {
  color: var(--pt-text-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* ============================================================
   P18. 通用空状态
   ============================================================ */

.pettrade-empty {
  text-align: center;
  padding: var(--pt-space-5xl) 0;
  color: var(--pt-text-light);
}

.pettrade-empty p {
  color: var(--pt-text-light);
  font-size: 1rem;
}

/* ============================================================
   P19. 博客列表
   ============================================================ */

.pettrade-archive__hero {
  background:
    radial-gradient(ellipse at top, rgba(15, 118, 110, 0.08) 0%, transparent 60%),
    var(--pt-bg-light);
  padding: var(--pt-space-4xl) 0;
  text-align: center;
}

.pettrade-archive__hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--pt-dark);
  font-weight: 900;
  margin-bottom: var(--pt-space-xs);
  font-family: var(--pt-font-display);
  letter-spacing: -0.03em;
}

.pettrade-archive__hero-sub {
  color: var(--pt-accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  font-weight: 700;
}

.pettrade-archive__container {
  max-width: var(--pt-container);
  margin: 0 auto;
  padding: var(--pt-space-4xl) var(--pt-space-lg);
}

.pettrade-archive__layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--pt-space-3xl);
  align-items: start;
}

.pettrade-archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pettrade-archive__item {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--pt-space-xl);
  padding: var(--pt-space-xl);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: var(--pt-radius-card);
  margin-bottom: var(--pt-space-lg);
  background-color: var(--pt-white);
  transition: var(--pt-transition);
}

.pettrade-archive__item:hover {
  box-shadow: var(--pt-shadow-lg);
  transform: translateY(-3px);
  border-color: var(--pt-primary-light);
}

.pettrade-archive__thumb {
  border-radius: var(--pt-radius-card);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--pt-bg-light);
}

.pettrade-archive__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.pettrade-archive__item:hover .pettrade-archive__thumb img {
  transform: scale(1.06);
}

.pettrade-archive__body {
  padding: 0;
  display: flex;
  flex-direction: column;
}

.pettrade-archive__meta {
  display: flex;
  gap: var(--pt-space-md);
  font-size: 0.85rem;
  color: var(--pt-text-light);
  margin-bottom: var(--pt-space-sm);
  flex-wrap: wrap;
}

.pettrade-archive__title {
  font-size: 1.35rem;
  margin-bottom: var(--pt-space-sm);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.pettrade-archive__title a {
  color: var(--pt-dark);
  text-decoration: none;
  transition: var(--pt-transition);
}

.pettrade-archive__title a:hover {
  color: var(--pt-primary);
}

.pettrade-archive__excerpt {
  color: var(--pt-text-muted);
  margin-bottom: var(--pt-space-md);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pettrade-archive__more {
  color: var(--pt-primary);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.9rem;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-xs);
  transition: var(--pt-transition);
}

.pettrade-archive__more:hover {
  color: var(--pt-accent);
  gap: var(--pt-space-sm);
}

/* ============================================================
   P15. 产品详情页（pettrade-product / pettrade-gallery / pettrade-spec）
   ============================================================ */

.pettrade-product {
  padding: var(--pt-space-2xl) 0 var(--pt-space-4xl);
}

/* 产品顶部：左图片 + 右信息 两栏 */
.pettrade-product__top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pt-space-3xl);
  margin-bottom: var(--pt-space-3xl);
}

/* 图片画廊 */
.pettrade-gallery {
  position: sticky;
  top: 100px;
}

.pettrade-gallery__main {
  margin: 0 0 var(--pt-space-md);
  border-radius: var(--pt-radius-lg);
  overflow: hidden;
  background-color: var(--pt-bg-light);
  aspect-ratio: 1 / 1;
  box-shadow: var(--pt-shadow-md);
}

.pettrade-gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pettrade-gallery__placeholder {
  display: block;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 30%, rgba(15, 118, 110, 0.15) 0%, transparent 60%),
    var(--pt-bg-light);
}

.pettrade-gallery__thumbs {
  display: flex;
  gap: var(--pt-space-sm);
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pettrade-gallery__thumb button {
  width: 72px;
  height: 72px;
  border-radius: var(--pt-radius-card);
  overflow: hidden;
  border: 2px solid transparent;
  background: none;
  padding: 0;
  cursor: pointer;
  transition: var(--pt-transition-fast);
}

.pettrade-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pettrade-gallery__thumb.is-active button,
.pettrade-gallery__thumb button:hover {
  border-color: var(--pt-primary);
  box-shadow: var(--pt-shadow-sm);
}

/* 产品信息区 */
.pettrade-product__info {
  display: flex;
  flex-direction: column;
}

.pettrade-product__title {
  font-family: var(--pt-font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 900;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-md);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.pettrade-product__excerpt {
  font-size: 1.05rem;
  color: var(--pt-text-muted);
  line-height: 1.7;
  margin-bottom: var(--pt-space-xl);
  padding-bottom: var(--pt-space-xl);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

/* 规格参数表 */
.pettrade-spec {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--pt-space-xl);
  border-radius: var(--pt-radius-card);
  overflow: hidden;
  box-shadow: var(--pt-shadow-sm);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.pettrade-spec__caption {
  text-align: left;
  padding: var(--pt-space-md) var(--pt-space-lg);
  background-color: var(--pt-primary);
  color: var(--pt-white);
  font-weight: 700;
  font-size: 1rem;
  caption-side: top;
}

.pettrade-spec__row {
  border-bottom: 1px solid rgba(15, 23, 42, 0.04);
}

.pettrade-spec__row:last-child {
  border-bottom: none;
}

.pettrade-spec__key {
  width: 35%;
  padding: var(--pt-space-md) var(--pt-space-lg);
  background-color: var(--pt-bg-light);
  font-weight: 700;
  color: var(--pt-dark);
  text-align: left;
  vertical-align: top;
}

.pettrade-spec__val {
  padding: var(--pt-space-md) var(--pt-space-lg);
  color: var(--pt-text);
  vertical-align: top;
}

/* 认证小标签 */
.pettrade-cert-mini {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--pt-space-sm);
  margin-bottom: var(--pt-space-xl);
}

.pettrade-cert-mini__label {
  font-weight: 700;
  color: var(--pt-dark);
  font-size: 0.9rem;
}

.pettrade-cert-mini__item {
  display: inline-block;
  padding: var(--pt-space-xs) var(--pt-space-md);
  border: 1px solid rgba(15, 118, 110, 0.25);
  border-radius: var(--pt-radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--pt-primary);
  background-color: var(--pt-primary-tint);
}

/* 产品 CTA 按钮 */
.pettrade-product__actions {
  display: flex;
  gap: var(--pt-space-md);
  flex-wrap: wrap;
  margin-top: auto;
}

.pettrade-product__btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--pt-space-md) var(--pt-space-2xl);
  border-radius: var(--pt-radius-btn);
  font-weight: 700;
  text-decoration: none;
  transition: var(--pt-transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.pettrade-product__btn--primary {
  background-color: var(--pt-accent);
  color: var(--pt-white);
  border-color: var(--pt-accent);
  box-shadow: var(--pt-shadow-amber);
}

.pettrade-product__btn--primary:hover {
  background-color: var(--pt-accent-dark);
  border-color: var(--pt-accent-dark);
  color: var(--pt-white);
  transform: translateY(-2px);
}

.pettrade-product__btn--ghost {
  background-color: transparent;
  color: var(--pt-primary);
  border-color: var(--pt-primary);
}

.pettrade-product__btn--ghost:hover {
  background-color: var(--pt-primary);
  color: var(--pt-white);
  transform: translateY(-2px);
}

.pettrade-product__btn-en {
  font-size: 0.75rem;
  opacity: 0.8;
  font-weight: 600;
}

/* 产品详细描述 */
.pettrade-product__content {
  margin-bottom: var(--pt-space-3xl);
  padding: var(--pt-space-2xl);
  background-color: var(--pt-bg-light);
  border-radius: var(--pt-radius-lg);
  border-left: 4px solid var(--pt-primary);
}

.pettrade-product__content-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-lg);
  padding-bottom: var(--pt-space-md);
  border-bottom: 2px solid rgba(15, 118, 110, 0.15);
}

.pettrade-product__content p,
.pettrade-product__content li {
  color: var(--pt-text);
  line-height: 1.8;
  margin-bottom: var(--pt-space-md);
}

/* 相关产品 */
.pettrade-related {
  padding-top: var(--pt-space-2xl);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

/* ============================================================
   P16. 关于我们页面（补全 page-about.php 缺失类）
   ============================================================ */

.pettrade-about__container {
  max-width: var(--pt-container);
  margin: 0 auto;
  padding-left: var(--pt-space-lg);
  padding-right: var(--pt-space-lg);
}

.pettrade-about__hero-inner {
  max-width: var(--pt-container-narrow);
  margin: 0 auto;
  padding: 0 var(--pt-space-lg);
}

.pettrade-about__hero-title {
  font-family: var(--pt-font-display);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 900;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-md);
  letter-spacing: -0.03em;
}

.pettrade-about__hero-desc {
  font-size: 1.125rem;
  color: var(--pt-text-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

.pettrade-about__section-title {
  font-family: var(--pt-font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-xl);
  letter-spacing: -0.02em;
}

.pettrade-about__section-title--center {
  text-align: center;
  margin-bottom: var(--pt-space-2xl);
}

/* 公司简介：左文右图网格 */
.pettrade-about__intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pt-space-3xl);
  align-items: center;
}

.pettrade-about__intro-media {
  min-height: 380px;
}

.pettrade-about__intro-media .pettrade-about__intro-img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
  border-radius: var(--pt-radius-lg);
  box-shadow: var(--pt-shadow-lg);
}

.pettrade-about__intro-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 380px;
  background:
    radial-gradient(circle at 30% 50%, rgba(20, 184, 166, 0.4) 0%, transparent 70%),
    linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
  border-radius: var(--pt-radius-lg);
  color: var(--pt-white);
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.pettrade-about__intro-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.pettrade-about__intro-placeholder span {
  position: relative;
  z-index: 1;
}

/* 工厂数据看板 */
.pettrade-about__stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-space-xl);
}

.pettrade-about__stat-item {
  text-align: center;
  color: var(--pt-white);
}

.pettrade-about__stat-suffix {
  font-size: 0.5em;
  font-weight: 700;
  margin-left: 2px;
}

/* 发展历程时间轴 */
.pettrade-about__timeline-section {
  padding: var(--pt-space-5xl) 0;
  background-color: var(--pt-white);
}

.pettrade-about__timeline {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 800px;
  position: relative;
}

.pettrade-about__timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--pt-primary), var(--pt-accent));
}

.pettrade-about__timeline-item {
  display: flex;
  gap: var(--pt-space-xl);
  margin-bottom: var(--pt-space-2xl);
  position: relative;
  padding-left: var(--pt-space-2xl);
}

.pettrade-about__timeline-marker {
  position: absolute;
  left: 2px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--pt-white);
  border: 3px solid var(--pt-primary);
  z-index: 2;
}

.pettrade-about__timeline-content {
  flex: 1;
}

.pettrade-about__timeline-year {
  display: inline-block;
  font-family: var(--pt-font-display);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--pt-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--pt-space-xs);
}

.pettrade-about__timeline-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-xs);
}

.pettrade-about__timeline-desc {
  color: var(--pt-text-muted);
  line-height: 1.7;
}

/* 团队卡片 */
.pettrade-about__team {
  padding: var(--pt-space-5xl) 0;
  background-color: var(--pt-bg-light);
}

.pettrade-about__team-card {
  background-color: var(--pt-white);
  border-radius: var(--pt-radius-lg);
  padding: var(--pt-space-xl);
  text-align: center;
  box-shadow: var(--pt-shadow-md);
  transition: var(--pt-transition);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

.pettrade-about__team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--pt-shadow-lg);
}

.pettrade-about__team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto var(--pt-space-md);
  background: linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pt-white);
  font-size: 0.85rem;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.pettrade-about__team-avatar::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background-color: var(--pt-white);
  background-image: linear-gradient(135deg, var(--pt-primary-tint) 0%, var(--pt-accent-soft) 100%);
}

.pettrade-about__team-avatar span {
  position: relative;
  z-index: 1;
  color: var(--pt-primary-dark);
  font-weight: 700;
}

.pettrade-about__team-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--pt-dark);
  margin-bottom: var(--pt-space-xs);
}

.pettrade-about__team-role {
  color: var(--pt-accent);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: var(--pt-space-sm);
}

.pettrade-about__team-bio {
  color: var(--pt-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* CTA 区 */
.pettrade-about__cta {
  padding: var(--pt-space-5xl) 0;
  background:
    radial-gradient(ellipse at center, rgba(217, 119, 6, 0.18) 0%, transparent 70%),
    linear-gradient(135deg, var(--pt-primary) 0%, var(--pt-primary-dark) 100%);
  text-align: center;
}

.pettrade-about__cta-inner {
  max-width: var(--pt-container-narrow);
}

.pettrade-about__cta-title {
  font-family: var(--pt-font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 900;
  color: var(--pt-white);
  margin-bottom: var(--pt-space-md);
  letter-spacing: -0.02em;
}

.pettrade-about__cta-desc {
  font-size: 1.125rem;
  color: var(--pt-text-on-dark);
  margin-bottom: var(--pt-space-xl);
  line-height: 1.7;
}

.pettrade-about__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--pt-space-sm);
  padding: var(--pt-space-md) var(--pt-space-2xl);
  background-color: var(--pt-accent);
  color: var(--pt-white);
  border-radius: var(--pt-radius-btn);
  font-weight: 700;
  text-decoration: none;
  transition: var(--pt-transition);
  box-shadow: var(--pt-shadow-amber);
}

.pettrade-about__cta-btn:hover {
  background-color: var(--pt-accent-dark);
  color: var(--pt-white);
  transform: translateY(-2px);
}

/* ============================================================
   P20. 响应式
   ============================================================ */

/* 超大屏 1920px */
@media (min-width: 1920px) {
  :root { --pt-container: 1480px; }
  html { font-size: 17px; }
}

/* 大屏 1200px */
@media (max-width: 1200px) {
  :root { --pt-container: 1140px; }

  .pettrade-hero__inner {
    grid-template-columns: 1fr;
    gap: var(--pt-space-3xl);
  }

  /* 1200px 以下：Hero 浮卡改为横向紧凑展示，不再隐藏 */
  .pettrade-hero__visual {
    order: -1;
    margin-bottom: var(--pt-space-md);
  }

  .pettrade-hero__card {
    max-width: 100%;
    padding: var(--pt-space-lg) var(--pt-space-xl);
  }

  .pettrade-hero__card-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--pt-space-md);
  }

  .pettrade-hero__card-stat {
    padding: var(--pt-space-sm);
    text-align: center;
  }

  .pettrade-hero__card-num {
    font-size: 1.75rem;
  }

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

/* 中屏 992px */
@media (max-width: 992px) {
  .pt-footer__grid { grid-template-columns: repeat(2, 1fr); }

  .pt-content-area { flex-direction: column; }
  .pt-main,
  .pt-sidebar { flex: 1 1 100%; }

  .pettrade-products--cols4,
  .pettrade-products--cols3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .pettrade-about__intro,
  .pettrade-about__intro-grid {
    grid-template-columns: 1fr;
    gap: var(--pt-space-2xl);
  }

  .pettrade-contact__grid,
  .pettrade-contact__layout {
    grid-template-columns: 1fr;
    gap: var(--pt-space-2xl);
  }

  /* 产品详情页：两栏变单列 */
  .pettrade-product__top {
    grid-template-columns: 1fr;
    gap: var(--pt-space-xl);
  }

  .pettrade-gallery {
    position: static;
  }

  .pettrade-detail {
    grid-template-columns: 1fr;
    gap: var(--pt-space-xl);
  }

  .pettrade-detail__gallery {
    position: static;
  }

  .pettrade-archive__layout {
    grid-template-columns: 1fr;
  }

  .pettrade-cert-page__grid,
  .pettrade-cert-page__process-grid,
  .pettrade-cert__grid,
  .pettrade-cert__process-list,
  .pettrade-about__team-grid,
  .pettrade-about__stats,
  .pettrade-about__stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pettrade-cert__qms-inner {
    grid-template-columns: 1fr;
    gap: var(--pt-space-2xl);
  }

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

  .pettrade-stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--pt-space-xl);
  }

  .pettrade-stats__grid::before { display: none; }
}

/* 平板 768px */
@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.4rem; }

  .pt-menu-toggle { display: flex; }

  .pt-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 340px;
    height: 100vh;
    background-color: var(--pt-white);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--pt-space-3xl) var(--pt-space-2xl);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
    transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
  }

  .pt-nav.is-open { right: 0; }

  .pt-menu {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: var(--pt-space-xs);
  }

  .pt-menu > li { width: 100%; }

  .pt-menu > li > a {
    display: block;
    padding: var(--pt-space-md) 0;
    width: 100%;
    font-size: 1.05rem;
  }

  .pt-menu .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: var(--pt-space-md);
  }

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

  .pt-404__code { font-size: 6rem; }

  .pt-footer__bottom { justify-content: center; text-align: center; }

  .pettrade-hero {
    min-height: auto;
    padding: var(--pt-space-4xl) 0;
  }

  .pettrade-hero__title {
    font-size: 2.5rem;
  }

  .pettrade-hero__subtitle {
    font-size: 1rem;
  }

  .pettrade-products--cols4,
  .pettrade-products--cols3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .pettrade-cats__grid {
    grid-template-columns: 1fr;
  }

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

  .pettrade-archive__thumb {
    aspect-ratio: 16 / 9;
  }

  .pettrade-section__title {
    font-size: 1.75rem;
  }

  .pettrade-cta__title {
    font-size: 1.75rem;
  }

  .pettrade-cta__desc {
    font-size: 1rem;
  }

  .pettrade-pagehead__title {
    font-size: 1.75rem;
  }

  .pettrade-detail__title {
    font-size: 1.5rem;
  }

  .pettrade-about__hero,
  .pettrade-cert-page__hero,
  .pettrade-cert__hero,
  .pettrade-faq__hero,
  .pettrade-contact__hero {
    padding: var(--pt-space-4xl) 0;
  }

  .pettrade-about__timeline-list::before {
    left: 8px;
  }

  .pettrade-about__timeline-item::before {
    left: 2px;
  }

  .pettrade-about__timeline-item {
    flex-direction: column;
    gap: var(--pt-space-xs);
  }

  .pettrade-about__timeline-year {
    font-size: 1.3rem;
  }

  .pettrade-about__timeline-content {
    padding-left: var(--pt-space-2xl);
  }

  .pettrade-features__grid {
    grid-template-columns: 1fr;
  }
}

/* 手机 576px */
@media (max-width: 576px) {
  :root { --pt-container: 100%; }

  h1 { font-size: 1.85rem; }
  h2 { font-size: 1.5rem; }

  .pt-grid--2,
  .pt-grid--3,
  .pt-grid--4,
  .pt-grid--auto { grid-template-columns: 1fr; }

  .pt-footer__grid { grid-template-columns: 1fr; }

  .pt-topbar__inner { justify-content: center; text-align: center; }
  .pt-topbar__contact a { margin-right: var(--pt-space-sm); }

  .pt-whatsapp-float {
    width: 52px;
    height: 52px;
    right: var(--pt-space-md);
    bottom: var(--pt-space-md);
  }

  .pettrade-products--cols4,
  .pettrade-products--cols3,
  .pettrade-cats__grid,
  .pettrade-stats__grid,
  .pettrade-about__stats,
  .pettrade-about__team-grid,
  .pettrade-cert-page__grid,
  .pettrade-cert-page__process-grid,
  .pettrade-cert__grid,
  .pettrade-cert__process-list,
  .pettrade-archive__layout {
    grid-template-columns: 1fr;
  }

  .pettrade-hero__title {
    font-size: 2rem;
  }

  .pettrade-hero__title-en {
    font-size: 0.95rem;
  }

  .pettrade-hero__subtitle {
    font-size: 0.95rem;
  }

  .pettrade-hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .pettrade-hero__btn {
    width: 100%;
  }

  .pettrade-section__title {
    font-size: 1.5rem;
  }

  .pettrade-cta {
    padding: var(--pt-space-4xl) 0;
  }

  .pettrade-cta__title {
    font-size: 1.5rem;
  }

  .pettrade-cta__btn {
    padding: var(--pt-space-md) var(--pt-space-xl);
    font-size: 1rem;
    width: 100%;
  }

  .pettrade-cta__trust {
    flex-direction: column;
    gap: var(--pt-space-sm);
  }

  .pettrade-contact__channels-grid,
  .pettrade-contact__channels {
    flex-direction: column;
    align-items: center;
  }

  .pettrade-contact__channel {
    width: 100%;
    max-width: 340px;
  }

  .pettrade-filter {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--pt-space-md);
  }

  .pettrade-detail__actions {
    flex-direction: column;
  }

  .pettrade-detail__btn {
    width: 100%;
  }

  .pettrade-about__timeline-item {
    flex-direction: column;
    gap: var(--pt-space-xs);
  }

  .pettrade-about__timeline-year {
    font-size: 1.2rem;
  }

  .pettrade-stats__number {
    font-size: 2.25rem;
  }

  .pettrade-about__stat-number {
    font-size: 2.25rem;
  }

  .pettrade-hero__card {
    padding: var(--pt-space-lg);
  }

  .pettrade-hero__card-num {
    font-size: 1.75rem;
  }
}

/* ============================================================
   P21. 动画工具类
   ============================================================ */

.pt-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.pt-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pt-fade-up-delay-1 { transition-delay: 0.1s; }
.pt-fade-up-delay-2 { transition-delay: 0.2s; }
.pt-fade-up-delay-3 { transition-delay: 0.3s; }
.pt-fade-up-delay-4 { transition-delay: 0.4s; }

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

  .pt-reveal,
  .pt-fade-up {
    opacity: 1 !important;
    transform: none !important;
  }
}


/* ============================================================
   文章详情页排版（pettrade-single）
   居中阅读列，限制行宽，卡片式内容区，优化排版节奏
   ============================================================ */
.pettrade-single {
  background: var(--pt-bg-light, #f8fafc);
  padding: var(--pt-space-3xl, 80px) 0;
}
.pettrade-single__container {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--pt-space-lg, 24px);
}
/* ---- 文章头部 ---- */
.pettrade-single__header {
  margin-bottom: var(--pt-space-xl, 32px);
}
.pettrade-single__header-inner {
  text-align: center;
}
.pettrade-single__cats {
  margin-bottom: var(--pt-space-md, 16px);
}
.pettrade-single__cats a {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--pt-radius-pill, 999px);
  background: var(--pt-primary-soft, #ccfbf1);
  color: var(--pt-primary, #0f766e);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--pt-transition, all 0.3s);
}
.pettrade-single__cats a:hover {
  background: var(--pt-primary, #0f766e);
  color: #fff;
}
.pettrade-single__title {
  font-family: var(--pt-font-display, Georgia, serif);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  line-height: 1.3;
  color: var(--pt-text, #0f172a);
  margin: 0 0 var(--pt-space-md, 16px);
  letter-spacing: 0.01em;
}
.pettrade-single__meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--pt-space-sm, 8px) var(--pt-space-lg, 24px);
  color: var(--pt-text-light, #94a3b8);
  font-size: 0.9rem;
}
.pettrade-single__meta a {
  color: var(--pt-primary, #0f766e);
  text-decoration: none;
}
.pettrade-single__meta a:hover {
  color: var(--pt-accent, #d97706);
}
/* ---- 特色图片 ---- */
.pettrade-single__thumbnail {
  margin: 0 auto var(--pt-space-2xl, 48px);
  max-width: 820px;
  padding: 0 var(--pt-space-lg, 24px);
}
.pettrade-single__thumbnail-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--pt-radius-lg, 20px);
  box-shadow: var(--pt-shadow-md, 0 4px 6px -1px rgba(15,23,42,0.08));
}
/* ---- 内容卡片 ---- */
.pettrade-single__content-wrap {
  background: var(--pt-white, #fff);
  border: 1px solid #e2e8f0;
  border-radius: var(--pt-radius-lg, 20px);
  padding: var(--pt-space-2xl, 48px) 0;
  box-shadow: var(--pt-shadow-md, 0 4px 6px -1px rgba(15,23,42,0.08));
}
.pettrade-single__content {
  font-size: 1.06rem;
  line-height: 1.9;
  color: var(--pt-text-muted, #475569);
  word-break: break-word;
}
.pettrade-single__content > *:first-child {
  margin-top: 0;
}
.pettrade-single__content p {
  margin: 0 0 1.4em;
}
.pettrade-single__content h1,
.pettrade-single__content h2,
.pettrade-single__content h3,
.pettrade-single__content h4 {
  color: var(--pt-text, #0f172a);
  line-height: 1.35;
  margin: 1.8em 0 0.8em;
}
.pettrade-single__content h2 { font-size: 1.5rem; }
.pettrade-single__content h3 { font-size: 1.25rem; }
.pettrade-single__content h4 { font-size: 1.1rem; }
.pettrade-single__content a {
  color: var(--pt-primary, #0f766e);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.pettrade-single__content a:hover {
  color: var(--pt-accent, #d97706);
}
.pettrade-single__content img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}
.pettrade-single__content blockquote {
  margin: 1.6em 0;
  padding: 1em 1.4em;
  border-left: 4px solid var(--pt-primary, #0f766e);
  background: var(--pt-primary-tint, #f0fdfa);
  color: var(--pt-text-muted, #475569);
  border-radius: 0 12px 12px 0;
  font-style: italic;
}
.pettrade-single__content ul,
.pettrade-single__content ol {
  padding-left: 1.4em;
  margin: 0 0 1.4em;
}
.pettrade-single__content li {
  margin-bottom: 0.4em;
}
.pettrade-single__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.4em;
  font-size: 0.95rem;
}
.pettrade-single__content th,
.pettrade-single__content td {
  border: 1px solid #e2e8f0;
  padding: 8px 12px;
  text-align: left;
}
.pettrade-single__content th {
  background: var(--pt-primary-tint, #f0fdfa);
  color: var(--pt-text, #0f172a);
}
/* ---- 分页链接（多页文章） ---- */
.pettrade-single__page-links {
  margin-top: 1.5em;
  padding: 10px 14px;
  background: var(--pt-primary-tint, #f0fdfa);
  border-radius: 8px;
}
/* ---- 标签 ---- */
.pettrade-single__tags {
  margin-top: var(--pt-space-2xl, 48px);
}
.pettrade-single__tags-label {
  font-weight: 600;
  color: var(--pt-text, #0f172a);
  margin-right: 6px;
}
.pettrade-single__tags a {
  display: inline-block;
  margin: 4px 6px 4px 0;
  padding: 4px 12px;
  border: 1px solid #e2e8f0;
  border-radius: var(--pt-radius-pill, 999px);
  font-size: 0.85rem;
  color: var(--pt-text-muted, #475569);
  text-decoration: none;
  transition: var(--pt-transition, all 0.3s);
}
.pettrade-single__tags a:hover {
  border-color: var(--pt-primary, #0f766e);
  color: var(--pt-primary, #0f766e);
}
/* ---- 上一篇 / 下一篇 ---- */
.pettrade-single__nav {
  margin-top: var(--pt-space-2xl, 48px);
  padding-top: var(--pt-space-lg, 24px);
  border-top: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  gap: var(--pt-space-md, 16px);
  font-size: 0.95rem;
}
.pettrade-single__nav a {
  color: var(--pt-primary, #0f766e);
  text-decoration: none;
}
.pettrade-single__nav a:hover {
  color: var(--pt-accent, #d97706);
}
.pettrade-single__nav-next {
  text-align: right;
  margin-left: auto;
}
/* ---- 评论 ---- */
.pettrade-single .comment-respond,
.pettrade-single .comments-area {
  margin-top: var(--pt-space-2xl, 48px);
  background: var(--pt-white, #fff);
  border: 1px solid #e2e8f0;
  border-radius: var(--pt-radius-lg, 20px);
  padding: var(--pt-space-xl, 32px);
}
.pettrade-single .comment-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.pettrade-single .comment-list .comment {
  padding: 1em 0;
  border-bottom: 1px solid #eef2f7;
}
.pettrade-single .comment-list .children {
  list-style: none;
  padding-left: 2em;
}
.pettrade-single .comment-form label {
  display: block;
  margin: 10px 0 4px;
  font-weight: 600;
}
.pettrade-single .comment-form input[type="text"],
.pettrade-single .comment-form input[type="email"],
.pettrade-single .comment-form input[type="url"],
.pettrade-single .comment-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font: inherit;
}
.pettrade-single .comment-form .submit {
  margin-top: 12px;
  padding: 10px 22px;
  border: none;
  border-radius: 8px;
  background: var(--pt-primary, #0f766e);
  color: #fff;
  cursor: pointer;
  font: inherit;
}
/* ---- 响应式 ---- */
@media (max-width: 640px) {
  .pettrade-single {
    padding: var(--pt-space-2xl, 48px) 0;
  }
  .pettrade-single__content-wrap {
    padding: var(--pt-space-lg, 24px) 0;
    border-radius: 14px;
  }
  .pettrade-single__nav {
    flex-direction: column;
    gap: 8px;
  }
  .pettrade-single__nav-next {
    text-align: left;
  }
}