/* ========== CSS 变量 ========== */
:root {
    --color-primary: #e91e63;
    --color-primary-dark: #c2185b;
    --color-text: #333;
    --color-text-secondary: #666;
    --color-text-muted: #999;
    --color-bg: #f5f5f5;
    --color-bg-card: #fff;
    --color-border: #e0e0e0;
    --radius-sm: 4px;
    --radius-md: 8px;
    --shadow-card: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-hover: 0 8px 25px rgba(0,0,0,0.1);
    --container-width: 1200px;
}

/* ========== 基础重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "SimSun", Arial, sans-serif; background-color: var(--color-bg); color: var(--color-text); }
a { text-decoration: none; color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ========== 顶部栏 top-bar ========== */
.top-bar { background-color: var(--color-bg-card); border-bottom: 1px solid var(--color-border); height: 36px; line-height: 36px; font-size: 12px; }
.top-bar-content { max-width: var(--container-width); margin: 0 auto; display: flex; justify-content: space-between; padding: 0 20px; }
.top-bar .welcome { color: var(--color-text-secondary); }
.top-bar .auth-links a { color: var(--color-text-secondary); cursor: pointer; }
.top-bar .auth-links a:hover { color: var(--color-primary); }
.top-bar .auth-links > * + * { margin-left: 10px; }

/* ========== 头部 header / logo / search ========== */
.header { background-color: var(--color-bg-card); padding: 20px 0; }
.header-content { max-width: var(--container-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; }
.logo { display: flex; align-items: center; flex-shrink: 0; cursor: pointer; }
.logo-icon { width: 50px; height: 50px; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: white; font-size: 28px; font-weight: bold; font-style: italic; margin-right: 10px; text-shadow: 2px 2px 4px rgba(0,0,0,0.2); }
.logo-text { font-size: 20px; font-weight: bold; color: var(--color-text); }
.search-area { display: flex; align-items: center; gap: 10px; flex: 1; max-width: 600px; margin: 0 40px; }
.search-input { flex: 1; height: 40px; border: 2px solid #ddd; border-radius: var(--radius-sm); padding: 0 15px; font-size: 14px; outline: none; }
.search-input:focus { border-color: var(--color-primary); }
.btn { height: 40px; padding: 0 30px; border: none; border-radius: var(--radius-sm); cursor: pointer; font-size: 14px; font-weight: bold; transition: all 0.3s; }
.btn-pink { background-color: var(--color-primary); color: white; }
.btn-pink:hover { background-color: var(--color-primary-dark); }

/* ========== 导航 nav ========== */
.nav { background-color: #111; height: 50px; line-height: 50px; position: sticky; top: 0; z-index: 100; }
.nav-content { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }
.nav-list { display: flex; list-style: none; }
.nav-list li { margin-right: 40px; }
.nav-list li a { color: #fff; font-size: 15px; display: block; transition: color 0.3s; cursor: pointer; }
.nav-list li a:hover, .nav-list li a.active { color: var(--color-primary); }

/* ========== 页面容器 page-content ========== */
.page-content { max-width: var(--container-width); margin: 20px auto; padding: 0 20px; min-height: 500px; }

/* ========== 通用组件：content-card / breadcrumb / search-hint ========== */
.content-card { background: var(--color-bg-card); border-radius: var(--radius-md); padding: 40px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 20px; }
.content-card h2 { font-size: 24px; color: var(--color-text); margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--color-primary); }
.content-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.8; margin-bottom: 15px; }
.breadcrumb { background: var(--color-bg-card); padding: 10px 20px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 13px; color: var(--color-text-secondary); }
.breadcrumb a { color: var(--color-primary); cursor: pointer; }
.breadcrumb a:hover { text-decoration: underline; }
.search-hint { background: #fff3e0; border-left: 4px solid #ff9800; padding: 15px 20px; margin-bottom: 20px; border-radius: var(--radius-sm); font-size: 14px; color: var(--color-text-secondary); }

/* ========== 商品列表 product-list ========== */
.product-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-list-item { display: block; background: var(--color-bg-card); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-card); transition: all 0.3s; cursor: pointer; }
.product-list-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.product-list-img { width: 100%; height: 200px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-list-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.product-list-item:hover .product-list-img img { transform: scale(1.05); }
.product-list-info { padding: 15px; }
.product-list-info h3 { font-size: 15px; color: var(--color-text); margin-bottom: 8px; }

/* ========== 卡片信息元素（公共，全站卡片共用） ========== */
.card-title { font-size: 15px; color: var(--color-text); font-weight: bold; margin-bottom: 8px; line-height: 1.4; }
.card-desc { font-size: 13px; color: var(--color-text-secondary); line-height: 1.5; margin-bottom: 10px; }
.card-publisher { font-size: 12px; color: var(--color-text-secondary); margin-bottom: 2px; }
.card-time { font-size: 12px; color: var(--color-text-muted); margin-bottom: 6px; }

/* ========== 表单 form-group / form-row / form-btn ========== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; color: var(--color-text); margin-bottom: 8px; font-weight: bold; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 10px 15px; border: 1px solid #ddd; border-radius: var(--radius-sm); font-size: 14px; outline: none; transition: border 0.3s; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--color-primary); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-btn { background: var(--color-primary); color: #fff; padding: 12px 40px; border: none; border-radius: var(--radius-sm); font-size: 16px; font-weight: bold; cursor: pointer; transition: background 0.3s; }
.form-btn:hover { background: var(--color-primary-dark); }
.publish-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.publish-price { color: var(--color-primary); font-size: 16px; font-weight: bold; }
.publish-qrcode-wrap { margin: 8px 0 20px; }
.publish-qrcode { width: 200px; height: 200px; object-fit: cover; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 8px; background: #fff; display: block; }
.publish-notice { margin-top: 14px; font-size: 13px; color: var(--color-text-muted); line-height: 1.6; }

/* ========== 个人中心 profile ========== */
.profile-info { max-width: 760px; }
.profile-summary { display: flex; gap: 20px; align-items: flex-start; }
.profile-avatar { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; background: #f4f6fb; border: 1px solid var(--color-border); flex-shrink: 0; }
.profile-fields { flex: 1; min-width: 0; }
.profile-row { display: flex; padding: 12px 0; border-bottom: 1px solid var(--color-border); font-size: 14px; }
.profile-row:last-child { border-bottom: none; }
.profile-label { width: 100px; color: var(--color-text-muted); flex-shrink: 0; }
.profile-value { color: var(--color-text); word-break: break-all; }
.profile-actions { margin-top: 18px; display: flex; align-items: center; gap: 12px; }
.secondary-btn { background: #fff; color: var(--color-primary); padding: 10px 24px; border: 1px solid var(--color-primary); border-radius: var(--radius-sm); font-size: 14px; font-weight: bold; cursor: pointer; transition: background 0.2s; }
.secondary-btn:hover { background: #fff5f9; }
.profile-actions .form-btn { padding: 10px 32px; font-size: 14px; }
.empty-state { grid-column: 1 / -1; padding: 50px 20px; text-align: center; color: var(--color-text-muted); background: #fff; border: 1px dashed var(--color-border); border-radius: var(--radius-md); font-size: 14px; }

/* ========== 实名认证 verify ========== */
.verify-form { max-width: 760px; }
.verify-tip { font-size: 13px; color: var(--color-text-muted); background: #fff8f0; border: 1px solid #ffe2c4; border-radius: var(--radius-sm); padding: 10px 14px; margin: 0 0 8px; }
.verify-thumb { width: 96px; height: 64px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--color-border); margin-left: 12px; vertical-align: middle; }
.verify-status { display: flex; gap: 20px; align-items: flex-start; }
.verify-badge { display: inline-block; padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: bold; }
.verify-badge-pending { background: #fff4e6; color: #e8830f; border: 1px solid #ffd9a0; }
#verifyCard h2 { display: flex; align-items: center; gap: 12px; }
.history-title { display: flex; align-items: baseline; gap: 12px; }
.history-title-action { margin-left: auto; }
.history-clear-link { font-size: 13px; font-weight: normal; color: var(--color-text-muted); cursor: pointer; }
.history-clear-link:hover { color: var(--color-primary); }
.verify-title-status { display: inline-flex; align-items: center; }
.verify-title-status .verify-badge { padding: 2px 10px; font-size: 11px; }
.verify-detail { flex: 1; min-width: 0; }

/* ========== 产品详情 detail ========== */
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 24px; align-items: start; }
.detail-main { padding: 0; overflow: hidden; }
.detail-image { position: relative; width: 100%; height: 440px; background: #f8f9fa; overflow: hidden; }
.detail-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.detail-image:hover img { transform: scale(1.05); }
.detail-tag-badge { position: absolute; top: 16px; left: 16px; background: rgba(0,0,0,0.55); color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 12px; }
.detail-body { padding: 28px 32px 32px; }
.detail-title { font-size: 28px; line-height: 1.3; margin-bottom: 18px; color: var(--color-text); }
.detail-meta-list { display: flex; flex-wrap: wrap; gap: 8px 28px; padding: 18px 0; margin-bottom: 24px; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.meta-item { font-size: 13px; }
.meta-label { color: var(--color-text-muted); margin-right: 6px; }
.meta-value { color: var(--color-text-secondary); }
.detail-desc-title { font-size: 16px; font-weight: bold; color: var(--color-text); margin-bottom: 14px; padding-left: 12px; border-left: 4px solid var(--color-primary); line-height: 1; }
.detail-desc { color: var(--color-text-secondary); line-height: 1.9; font-size: 15px; }
.publisher-card { position: sticky; top: 70px; background: #fff; border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-card); }
.publisher-card h3 { font-size: 18px; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--color-border); }
.publisher-profile { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.publisher-profile img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; background: #f4f6fb; border: 1px solid var(--color-border); }
.publisher-name { font-size: 16px; font-weight: bold; color: var(--color-text); margin-bottom: 4px; }
.publisher-phone { color: var(--color-text-secondary); font-size: 14px; line-height: 1.6; }
.publisher-contact-btn { display: block; width: 100%; margin-top: 20px; background: var(--color-primary); color: #fff; padding: 12px; border: none; border-radius: var(--radius-sm); font-size: 15px; font-weight: bold; cursor: pointer; text-align: center; transition: background 0.2s; }
.publisher-contact-btn:hover { background: var(--color-primary-dark); }
.detail-related h2 { margin-bottom: 20px; }

/* ========== 模态框 modal ========== */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; }
.modal-overlay.active { display: flex; }
.modal-box { background: var(--color-bg-card); border-radius: var(--radius-md); padding: 30px; max-width: 400px; width: 90%; text-align: center; animation: modalIn 0.3s ease; }
@keyframes modalIn { from { transform: scale(0.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-box h3 { font-size: 20px; color: var(--color-text); margin-bottom: 15px; }
.modal-box p { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 20px; white-space: pre-line; }
.modal-close { background: var(--color-primary); color: #fff; padding: 10px 30px; border: none; border-radius: var(--radius-sm); cursor: pointer; font-size: 14px; }

/* ========== 页脚 footer ========== */
.footer { background: #1a1a1a; color: var(--color-text-muted); padding: 40px 0 20px; margin-top: 60px; }
.footer-content { max-width: var(--container-width); margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; margin-bottom: 30px; }
.footer-col { flex: 1; padding-right: 40px; }
.footer-col:last-child { padding-right: 0; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 15px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; font-size: 13px; }
.footer-col ul li a { color: var(--color-text-muted); transition: color 0.3s; cursor: pointer; }
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-bottom { border-top: 1px solid #333; padding-top: 20px; text-align: center; font-size: 13px; }
.footer-bottom a { color: var(--color-text-muted); transition: color 0.3s; }
.footer-bottom a:hover { color: var(--color-primary); }
.footer-logo { display: flex; align-items: center; margin-bottom: 15px; cursor: pointer; }
.footer-logo .logo-icon { width: 36px; height: 36px; font-size: 20px; margin-right: 8px; }
.footer-logo .logo-text { font-size: 16px; color: #fff; }
.footer-desc { font-size: 13px; line-height: 1.8; color: #888; }

/* ========== 返回顶部 back-to-top ========== */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: var(--color-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 20px; box-shadow: 0 4px 15px rgba(233,30,99,0.4); transition: all 0.3s; opacity: 0; visibility: hidden; z-index: 99; }
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-3px); }

/* ========== 响应式：平板 (≤1024px) ========== */
@media (max-width: 1024px) {
    .product-list { grid-template-columns: repeat(2, 1fr); }
    .footer-content { flex-wrap: wrap; gap: 20px; }
    .nav-list li { margin-right: 20px; }
    .search-area { margin: 0 20px; }
}

/* ========== 响应式：手机 (≤768px) ========== */
@media (max-width: 768px) {
    .top-bar-content { flex-direction: column; height: auto; line-height: 1.6; padding: 6px 20px; }
    .header-content { flex-wrap: wrap; gap: 15px; }
    .search-area { max-width: 100%; flex-basis: 100%; order: 3; margin: 0; }
    .nav-list { overflow-x: auto; white-space: nowrap; }
    .nav-list li { margin-right: 20px; }
    .form-row { grid-template-columns: 1fr; }
    .content-card { padding: 20px; }
    .back-to-top { bottom: 15px; right: 15px; width: 42px; height: 42px; font-size: 18px; }
    .footer-content { flex-direction: column; }
    .footer-col { padding-right: 0; margin-bottom: 20px; }
    .profile-summary { flex-direction: column; }
    .detail-layout { grid-template-columns: 1fr; }
    .detail-image { height: 240px; }
    .detail-body { padding: 20px; }
    .publisher-card { position: static; }
}