/*
Theme Name: My B2B Theme
Theme URI:  https://your-site.com
Author:      Your Name
Author URI:  https://your-site.com
Description: 外贸 B2B 主题，轻量、解耦，为产品系统预留扩展。
Version:     2.1.3
License:     GPL v2 or later
Text Domain: my-b2b-theme
*/

:root {
  --main-color: #DB010A;
  --main-dark: #B80008;
  --primary-color: #0066cc;
  --accent-color: #ff6600;
  --text-color: #333;
  --muted-color: #666;
  --bg-light: #f8f8f8;
  --border-color: #eee;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-normal: 0.3s ease;
  --transition-smooth: max-height 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Roboto', system-ui, sans-serif;
  --font-heading: 'Roboto', 'Helvetica Neue', sans-serif;
  --btn-radius: 4px;
  --content-max-width: 1600px;
}

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-color);
  background: #fff;
}

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

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

a:hover {
  text-decoration: underline;
}

/* ========== 按钮基础样式（全局；页面文件仅保留尺寸/差异化覆盖） ========== */
.btn-main {
  display: inline-block;
  background: var(--main-color);
  color: #fff;
  border-radius: var(--btn-radius);
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
}
.btn-main:hover {
  background: var(--main-dark);
}

.vmc-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ========== 面包屑（Rank Math，全局样式） ========== */
.vmc-breadcrumb {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 15px 20px;
  font-size: 16px;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.vmc-breadcrumb a {
  color: var(--main-color);
  text-decoration: none;
}
.vmc-breadcrumb .divider {
  margin: 0 8px;
  color: #ccc;
}
.vmc-breadcrumb .current {
  color: #333;
  font-weight: 500;
}
@media (max-width: 768px) {
  .vmc-breadcrumb {
    padding: 12px 15px;
    font-size: 14px;
  }
}

/* ========== 主题搜索表单（searchform.php） ========== */
.search-form {
  display: flex;
  gap: 10px;
  align-items: center;
}
.search-form .search-field {
  flex: 1;
  min-width: 0;
  height: 52px;
  padding: 0 20px;
  border: 2px solid #ddd;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-family: inherit;
  box-sizing: border-box;
}
.search-form .search-field:focus {
  outline: none;
  border-color: var(--main-color);
}
.search-form .search-submit {
  height: 52px;
  padding: 0 28px;
  background: var(--main-color);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-normal);
}
.search-form .search-submit:hover {
  background: var(--main-dark);
}
@media (max-width: 640px) {
  .search-form {
    flex-direction: column;
  }
  .search-form .search-submit {
    width: 100%;
  }
}

/* ========== 原生分享按钮（文章正文下方） ========== */
.vmc-social-share {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin: 28px 0;
}
.vmc-social-share-label {
    font-size: 14px;
    color: #666;
    margin-right: 4px;
}
.vmc-social-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    color: #fff;
    transition: opacity 0.2s ease;
}
.vmc-social-share-btn:hover {
    opacity: 0.85;
    text-decoration: none;
}
/* 社交分享按钮品牌色（LinkedIn/Facebook/WhatsApp 官方色，非主题配色，保持原样） */
.vmc-share-linkedin { background: #0077b5; }
.vmc-share-facebook { background: #1877f2; }
.vmc-share-whatsapp { background: #25d366; }
.vmc-share-email    { background: #666; }

/* ========== 产品选择底部轻量条 ========== */
.myps-selection-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99990;
    background: #fff;
    border-top: 1px solid #eee;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
    display: none;
}
.myps-selection-bar.has-inquiry,
.myps-selection-bar.has-compare {
    display: block;
}
.myps-selection-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 12px 20px;
}
.myps-selection-segment {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}
.myps-selection-segment[hidden] {
    display: none;
}
.myps-selection-items {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
    flex: 1;
}
.myps-selection-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #333;
    white-space: nowrap;
}
.myps-selection-item img {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}
.myps-selection-more {
    font-size: 13px;
    color: #666;
    white-space: nowrap;
}
.myps-selection-btn {
    flex-shrink: 0;
    border: 0;
    cursor: pointer;
    color: #fff;
    background: var(--main-color, #DB010A);
    border-radius: 4px;
    padding: 10px 20px;
    font-size: 15px;
}
/* 轻量条显示时为页面底部预留空间（class 由插件 JS 在显示/隐藏时切换） */
body.myps-selection-bar-open {
    padding-bottom: 72px;
}
@media (max-width: 768px) {
    .myps-selection-bar-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    .myps-selection-segment {
        width: 100%;
    }
    body.myps-selection-bar-open {
        padding-bottom: 132px;
    }
}

/* ========== 询盘提交反馈（主题展示层） ========== */
.myps-inquiry-feedback {
    margin: 12px 0;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.6;
}
.myps-inquiry-feedback-success {
    background: #f6fef6;
    border: 1px solid #cde9cd;
    color: #2e7d32;
}
.myps-inquiry-feedback-error {
    background: #fef6f6;
    border: 1px solid #f0cccc;
    color: #b3261e;
}
.myps-inquiry-continue {
    display: inline-block;
    margin-top: 10px;
    border: 0;
    cursor: pointer;
    color: #fff;
    background: var(--main-color, #DB010A);
    border-radius: 4px;
    padding: 8px 16px;
    font-size: 14px;
}

/* ========== 搜索结果分区（search.php） ========== */
.search-title {
    font-size: 28px;
    margin: 0 0 24px;
}
.search-title span {
    color: var(--main-color, #DB010A);
}
.search-section {
    margin-bottom: 36px;
}
.search-section-title {
    font-size: 20px;
    border-left: 4px solid var(--main-color, #DB010A);
    padding-left: 12px;
    margin: 0 0 16px;
}
.search-section-count {
    color: #999;
    font-size: 14px;
    font-weight: normal;
    margin-left: 6px;
}
.search-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color, #eee);
}
.search-item-product {
    display: flex;
    gap: 20px;
}
.search-item-thumb {
    flex: 0 0 200px;
    max-width: 200px;
    display: block;
}
.search-item-thumb img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm, 4px);
}
.search-item-body {
    flex: 1;
    min-width: 0;
}
.search-item-title {
    font-size: 18px;
    margin: 0 0 8px;
}
.search-item-title a {
    color: inherit;
    text-decoration: none;
}
.search-item-title a:hover {
    color: var(--main-color, #DB010A);
}
.search-item-code {
    color: var(--main-color, #DB010A);
    font-weight: 700;
    margin: 0 0 8px;
}
.search-item-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.search-item-specs span {
    background: var(--bg-light, #f8f8f8);
    border-radius: 3px;
    padding: 3px 10px;
    font-size: 13px;
    color: var(--text-color, #333);
}
.search-item .excerpt {
    color: var(--muted-color, #666);
}

@media (max-width: 768px) {
    .search-item-product {
        flex-direction: column;
        gap: 12px;
    }
    .search-item-thumb {
        flex: none;
        max-width: 100%;
    }
}

/* ========== 空状态引导（搜索 / 归档 / 弹窗） ========== */
.search-empty,
.archive-empty,
.product-empty {
    margin: 24px 0;
    padding: 32px 20px;
    text-align: center;
    background: var(--bg-light, #f8f8f8);
    border-radius: var(--radius-md, 8px);
}
.search-empty-title,
.archive-empty-title,
.product-empty-title {
    font-size: 22px;
    margin: 0 0 8px;
    color: var(--text-color, #333);
}
.search-empty-desc {
    color: var(--muted-color, #666);
    margin: 0 0 20px;
}
.search-empty-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.search-empty-actions .btn-main,
.search-empty-actions .btn-outline {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--btn-radius, 4px);
    text-decoration: none;
    font-size: 14px;
}
.search-empty-actions .btn-main {
    background: var(--main-color, #DB010A);
    color: #fff;
}
.search-empty-actions .btn-outline {
    border: 1px solid var(--main-color, #DB010A);
    color: var(--main-color, #DB010A);
    background: transparent;
}
.archive-empty .btn-main,
.product-empty .btn-main {
    display: inline-block;
    margin-top: 4px;
}
.search-empty .search-form {
    max-width: 420px;
    margin: 0 auto;
}

/* 弹窗空态（主题展示层，容器由插件 JS 按需重写） */
.myps-empty-state {
    padding: 32px 24px;
    text-align: center;
}
.myps-empty-state-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color, #333);
    margin: 0 0 8px;
}
.myps-empty-state-desc {
    color: var(--muted-color, #666);
    margin: 0 0 20px;
}
.myps-empty-state .btn-main {
    display: inline-block;
    background: var(--main-color, #DB010A);
    color: #fff;
    padding: 10px 24px;
    border-radius: var(--btn-radius, 4px);
    text-decoration: none;
}

/* ========== 悬浮联系框（桌面竖向白框 / 移动底部白条）+ 返回顶部按钮 ========== */
.floating-contact {
    position: fixed;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 66px;
    background: #fff;
    border: 1px solid var(--border-color, #eee);
    border-radius: 12px;
    padding: 8px 8px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.10);
    z-index: 9000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.floating-contact.show {
    opacity: 1;
    visibility: visible;
}
.floating-contact-item {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--main-color, #DB010A);
    background: #fff;
    font-size: 18px;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.floating-contact-item:hover {
    background: var(--main-color, #DB010A);
    color: #fff;
}
.floating-contact-phone {
    display: none; /* 桌面隐藏 Phone，仅移动端显示 */
}
.back-to-top {
    width: 48px;
    height: 48px;
    margin-top: 4px;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: var(--main-color, #DB010A);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.back-to-top:hover {
    background: var(--main-color, #DB010A);
    color: #fff;
}
/* 图标继承按钮颜色：默认主色、hover 白色（fa-subset 基础类不设颜色，显式保证继承） */
.back-to-top i {
    color: inherit;
}

/* 移动端：底部全宽横向白条，从左到右 Phone / WhatsApp / Email / 返回顶部 */
@media (max-width: 768px) {
    .floating-contact {
        right: 0;
        left: 0;
        bottom: 0;
        top: auto;
        transform: none;
        width: auto;
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        gap: 0;
        padding: 8px 12px;
        border: none;
        border-top: 1px solid var(--border-color, #eee);
        border-radius: 0;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    }
    .floating-contact-item {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
    .floating-contact-phone {
        display: flex;
    }
    .back-to-top {
        width: 50px;
        height: 50px;
        margin-top: 0;
    }
    /* 底部轻量条出现时上移避让（72px，若测试重叠再调整） */
    body.myps-selection-bar-open .floating-contact {
        bottom: 72px;
    }
}