/* ============================================================
   壮锦文化传承与展示平台 - 公共样式
   设计风格：壮族民族国风，红、藏蓝、金色为主色调
   ============================================================ */

/* ---- CSS变量定义 ---- */
:root {
    --primary:      #C0392B;   /* 壮锦经典红 */
    --primary-dark: #922B21;   /* 深红 */
    --primary-light:#E74C3C;   /* 浅红 */
    --navy:         #1A3A5C;   /* 藏蓝 */
    --navy-dark:    #0F2540;   /* 深藏蓝 */
    --navy-light:   #2E5F8A;   /* 浅藏蓝 */
    --gold:         #C9A84C;   /* 金色 */
    --gold-light:   #F0C96A;   /* 浅金 */
    --gold-dark:    #9A7A2E;   /* 深金 */
    --cream:        #F5EDD6;   /* 米黄色 */
    --cream-dark:   #E8D9B8;   /* 深米黄 */
    --brown:        #8B6914;   /* 浅棕 */
    --green:        #2D6A4F;   /* 墨绿 */
    --text-dark:    #1A1A1A;   /* 深色文字 */
    --text-mid:     #4A4A4A;   /* 中色文字 */
    --text-light:   #888888;   /* 浅色文字 */
    --border:       #D4B896;   /* 边框色 */
    --shadow:       rgba(0,0,0,0.12);
    --shadow-hover: rgba(0,0,0,0.22);
    --radius:       8px;
    --radius-lg:    16px;
    --transition:   all 0.35s cubic-bezier(0.4,0,0.2,1);
}

/* ---- 全局重置 ---- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Microsoft YaHei', '微软雅黑', 'SimSun', '宋体', sans-serif;
    color: var(--text-dark);
    background-color: #FAFAF7;
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* ---- 壮锦纹样SVG背景 ---- */
.zj-pattern-bg {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Crect width='60' height='60' fill='none'/%3E%3Cpath d='M0 30 L15 0 L30 30 L15 60 Z' fill='none' stroke='%23C9A84C' stroke-width='0.5' opacity='0.3'/%3E%3Cpath d='M30 30 L45 0 L60 30 L45 60 Z' fill='none' stroke='%23C9A84C' stroke-width='0.5' opacity='0.3'/%3E%3Ccircle cx='15' cy='30' r='3' fill='%23C9A84C' opacity='0.2'/%3E%3Ccircle cx='45' cy='30' r='3' fill='%23C9A84C' opacity='0.2'/%3E%3C/svg%3E");
}

/* ---- 导航栏 ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
    transition: var(--transition);
    border-bottom: 2px solid var(--gold);
}

.navbar.scrolled {
    padding: 0;
    background: rgba(15, 37, 64, 0.97);
    backdrop-filter: blur(10px);
}

.navbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    transition: var(--transition);
}

.navbar.scrolled .navbar-inner {
    height: 56px;
}

/* 导航Logo */
.navbar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.navbar-logo .logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--navy-dark);
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(201,168,76,0.4);
    flex-shrink: 0;
}

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

.navbar-logo .logo-text .main {
    font-size: 16px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 2px;
    white-space: nowrap;
}

.navbar-logo .logo-text .sub {
    font-size: 11px;
    color: rgba(255,255,255,0.6);
    letter-spacing: 1px;
}

/* 导航菜单 */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

.navbar-menu a {
    padding: 8px 12px;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    border-radius: var(--radius);
    position: relative;
    white-space: nowrap;
    transition: var(--transition);
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--gold);
    background: rgba(201,168,76,0.1);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* 汉堡菜单按钮（移动端） */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gold);
    border-radius: 2px;
    transition: var(--transition);
}

/* ---- 页面顶部占位 ---- */
.page-top-spacer {
    height: 70px;
}

/* ---- 页面横幅（内页） ---- */
.page-banner {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--primary-dark) 100%);
    padding: 80px 20px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M40 0 L80 40 L40 80 L0 40 Z' fill='none' stroke='%23C9A84C' stroke-width='1' opacity='0.15'/%3E%3Ccircle cx='40' cy='40' r='15' fill='none' stroke='%23C9A84C' stroke-width='0.8' opacity='0.1'/%3E%3C/svg%3E");
    opacity: 0.6;
}

.page-banner-content {
    position: relative;
    z-index: 1;
}

.page-banner h1 {
    font-size: 36px;
    color: #fff;
    letter-spacing: 4px;
    margin-bottom: 12px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.page-banner .banner-subtitle {
    font-size: 16px;
    color: var(--gold-light);
    letter-spacing: 2px;
}

.page-banner .banner-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 16px auto;
    border-radius: 3px;
}

/* ---- 面包屑 ---- */
.breadcrumb {
    background: var(--cream);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.breadcrumb-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
}

.breadcrumb-inner a {
    color: var(--navy);
}

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

.breadcrumb-inner .sep {
    color: var(--border);
}

/* ---- 容器 ---- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-sm {
    padding: 50px 0;
}

/* ---- 区块标题 ---- */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    color: var(--navy-dark);
    letter-spacing: 4px;
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    border-radius: 3px;
}

.section-title p {
    margin-top: 16px;
    color: var(--text-mid);
    font-size: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title .title-ornament {
    color: var(--gold);
    font-size: 14px;
    letter-spacing: 3px;
    margin-bottom: 8px;
}

/* ---- 卡片 ---- */
.card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(212,184,150,0.3);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px var(--shadow-hover);
}

.card-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.card-img-wrap {
    overflow: hidden;
    position: relative;
}

.card-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(26,58,92,0.6) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.card:hover .card-img-wrap::after {
    opacity: 1;
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.card-text {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.7;
}

.card-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--cream);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 12px;
    color: var(--brown);
    margin: 4px 4px 0 0;
}

/* ---- 图片悬停渐变效果（要求：鼠标放上去有渐变效果看着跟动图一样） ---- */
.img-hover-zoom {
    overflow: hidden;
    position: relative;
}

.img-hover-zoom img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.4,0,0.2,1),
                filter 0.7s ease,
                brightness 0.7s ease;
    will-change: transform;
}

.img-hover-zoom:hover img {
    transform: scale(1.1);
    filter: brightness(1.08) saturate(1.2);
}

.img-hover-zoom::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(192,57,43,0) 0%,
        rgba(201,168,76,0.15) 50%,
        rgba(26,58,92,0.1) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    pointer-events: none;
}

.img-hover-zoom:hover::before {
    opacity: 1;
}

/* 图片光晕扫描动画 */
.img-hover-zoom::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -60%;
    width: 40%;
    height: 300%;
    background: linear-gradient(
        105deg,
        transparent 30%,
        rgba(255,255,255,0.25) 50%,
        transparent 70%
    );
    transform: skewX(-15deg);
    opacity: 0;
    transition: none;
    z-index: 2;
    pointer-events: none;
}

.img-hover-zoom:hover::after {
    animation: imgScan 0.7s ease forwards;
}

@keyframes imgScan {
    0%   { left: -60%; opacity: 1; }
    100% { left: 120%; opacity: 0; }
}

/* ---- 按钮 ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    letter-spacing: 1px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(192,57,43,0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(192,57,43,0.45);
    color: #fff;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: var(--navy-dark);
    box-shadow: 0 4px 15px rgba(201,168,76,0.35);
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201,168,76,0.45);
    color: var(--navy-dark);
}

.btn-outline {
    background: transparent;
    color: var(--navy);
    border: 2px solid var(--navy);
}

.btn-outline:hover {
    background: var(--navy);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-gold {
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
}

.btn-outline-gold:hover {
    background: var(--gold);
    color: var(--navy-dark);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 13px;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 16px;
}

/* ---- 表单 ---- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.form-label .required {
    color: var(--primary);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--text-dark);
    background: #fff;
    transition: var(--transition);
    font-family: inherit;
    outline: none;
}

.form-control:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}

.form-control::placeholder {
    color: var(--text-light);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    color: var(--primary);
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.form-control.error {
    border-color: var(--primary);
}

/* ---- 分页 ---- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 50px 0 20px;
    flex-wrap: wrap;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--navy);
    background: #fff;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(192,57,43,0.3);
}

.page-ellipsis {
    color: var(--text-light);
    padding: 0 4px;
}

/* ---- 标签筛选 ---- */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
    justify-content: center;
}

.filter-tab {
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    color: var(--text-mid);
    background: #fff;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
    box-shadow: 0 4px 12px rgba(26,58,92,0.25);
}

/* ---- 搜索框 ---- */
.search-box {
    display: flex;
    gap: 0;
    max-width: 500px;
    margin: 0 auto 40px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 15px var(--shadow);
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--border);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 15px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.search-box input:focus {
    border-color: var(--gold);
}

.search-box button {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 15px;
    border-radius: 0 var(--radius) var(--radius) 0;
    transition: var(--transition);
}

.search-box button:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

/* ---- 页脚 ---- */
.footer {
    background: linear-gradient(135deg, var(--navy-dark) 0%, #0A1E35 100%);
    color: rgba(255,255,255,0.75);
    padding: 60px 0 0;
    border-top: 3px solid var(--gold);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-brand .brand-name {
    font-size: 20px;
    color: var(--gold);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
}

.footer-col h4 {
    font-size: 15px;
    color: var(--gold-light);
    letter-spacing: 2px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(201,168,76,0.3);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--gold-light);
    padding-left: 6px;
}

.footer-bottom {
    margin-top: 40px;
    padding: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

.footer-ornament {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-ornament::before,
.footer-ornament::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.footer-ornament span {
    color: var(--gold);
    font-size: 18px;
}

/* ---- 加载动画 ---- */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--cream-dark);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---- 滚动动画 ---- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ---- 装饰分割线 ---- */
.divider-ornament {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 40px 0;
}

.divider-ornament::before,
.divider-ornament::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.divider-ornament .ornament-icon {
    color: var(--gold);
    font-size: 20px;
}

/* ---- 徽章/标签 ---- */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
}

.badge-primary {
    background: rgba(192,57,43,0.1);
    color: var(--primary);
    border: 1px solid rgba(192,57,43,0.3);
}

.badge-gold {
    background: rgba(201,168,76,0.1);
    color: var(--gold-dark);
    border: 1px solid rgba(201,168,76,0.3);
}

.badge-navy {
    background: rgba(26,58,92,0.1);
    color: var(--navy);
    border: 1px solid rgba(26,58,92,0.3);
}

.badge-green {
    background: rgba(45,106,79,0.1);
    color: var(--green);
    border: 1px solid rgba(45,106,79,0.3);
}

/* ---- 提示框 ---- */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: rgba(45,106,79,0.1);
    color: var(--green);
    border: 1px solid rgba(45,106,79,0.3);
}

.alert-error {
    background: rgba(192,57,43,0.1);
    color: var(--primary);
    border: 1px solid rgba(192,57,43,0.3);
}

.alert-info {
    background: rgba(26,58,92,0.1);
    color: var(--navy);
    border: 1px solid rgba(26,58,92,0.3);
}

/* ---- 模态框 ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.35s ease;
    border-top: 4px solid var(--gold);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    color: var(--navy-dark);
    letter-spacing: 1px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--cream);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-mid);
    font-size: 16px;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--primary);
    color: #fff;
}

.modal-body {
    padding: 24px;
}

/* ---- 壮锦纹样装饰条 ---- */
.zj-border-top {
    border-top: 4px solid transparent;
    border-image: linear-gradient(90deg, var(--primary), var(--gold), var(--navy), var(--gold), var(--primary)) 1;
}

.zj-border-bottom {
    border-bottom: 4px solid transparent;
    border-image: linear-gradient(90deg, var(--primary), var(--gold), var(--navy), var(--gold), var(--primary)) 1;
}

/* ---- 统计数字 ---- */
.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    font-family: 'Georgia', serif;
}

.stat-label {
    font-size: 14px;
    color: var(--text-mid);
    margin-top: 6px;
    letter-spacing: 1px;
}

/* ---- 网格布局 ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- 响应式 ---- */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 992px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .navbar-menu { display: none; }
    .navbar-toggle { display: flex; }
    .section { padding: 60px 0; }
    .page-banner h1 { font-size: 28px; }
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .section-title h2 { font-size: 24px; }
    .stat-number { font-size: 36px; }
}

@media (max-width: 480px) {
    .grid-4 { grid-template-columns: 1fr; }
    .btn { padding: 10px 20px; font-size: 14px; }
}

/* ---- 移动端导航菜单 ---- */
.navbar-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--navy-dark);
    padding: 20px;
    gap: 5px;
    border-bottom: 2px solid var(--gold);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    z-index: 999;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}

/* ---- 回到顶部 ---- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(192,57,43,0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 900;
    border: none;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(192,57,43,0.5);
}

/* ---- 空状态 ---- */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-light);
}

.empty-state i {
    font-size: 60px;
    margin-bottom: 20px;
    color: var(--border);
}

.empty-state p {
    font-size: 16px;
}

/* ---- 壮锦纹样装饰角 ---- */
.corner-ornament {
    position: relative;
}

.corner-ornament::before,
.corner-ornament::after {
    content: '◆';
    position: absolute;
    color: var(--gold);
    font-size: 10px;
    opacity: 0.6;
}

.corner-ornament::before { top: 8px; left: 8px; }
.corner-ornament::after  { bottom: 8px; right: 8px; }

/* ============================================================
   新增样式：导航用户区、纹样网格、用户中心、留言区等
   ============================================================ */

/* ---- 导航右侧用户区 ---- */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.navbar-right .btn-nav-login {
    padding: 7px 18px;
    border-radius: 20px;
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(201,168,76,0.4);
    transition: var(--transition);
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.navbar-right .btn-nav-login:hover {
    background: rgba(201,168,76,0.12);
    border-color: var(--gold);
    color: var(--gold);
}

.navbar-right .btn-nav-register {
    padding: 7px 18px;
    border-radius: 20px;
    font-size: 13px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: var(--navy-dark);
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    border: none;
}
.navbar-right .btn-nav-register:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(201,168,76,0.4);
}

.navbar-right .user-nav-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 14px 4px 4px;
    border-radius: 24px;
    border: 1px solid rgba(201,168,76,0.3);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    text-decoration: none;
}
.navbar-right .user-nav-wrap:hover {
    background: rgba(201,168,76,0.1);
    border-color: var(--gold);
}
.navbar-right .user-nav-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--navy-dark);
    font-weight: 700;
    overflow: hidden;
    flex-shrink: 0;
}
.navbar-right .user-nav-name {
    font-size: 13px;
    color: rgba(255,255,255,0.9);
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 用户下拉菜单 */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    border: 1px solid var(--border);
    min-width: 160px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    z-index: 1100;
}
.user-nav-wrap:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    font-size: 13px;
    color: var(--text-dark);
    transition: var(--transition);
    border-bottom: 1px solid rgba(212,184,150,0.2);
}
.user-dropdown a:last-child { border-bottom: none; }
.user-dropdown a i { color: var(--gold-dark); width: 16px; text-align: center; }
.user-dropdown a:hover { background: var(--cream); color: var(--navy-dark); }
.user-dropdown .dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ---- 纹样网格（4列满铺，无间距） ---- */
.pattern-grid-full {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    width: 100%;
}

.pattern-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    background: var(--navy-dark);
}

.pattern-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.65s cubic-bezier(0.4,0,0.2,1), filter 0.65s ease;
    display: block;
}

/* 扫光动画 */
.pattern-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -80%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent 0%,
        rgba(255,255,255,0.22) 50%,
        transparent 100%
    );
    transform: skewX(-20deg);
    z-index: 3;
    opacity: 0;
    transition: none;
    pointer-events: none;
}
.pattern-item:hover::before {
    animation: patternScan 0.75s ease forwards;
}
@keyframes patternScan {
    0%   { left: -80%; opacity: 1; }
    100% { left: 130%; opacity: 0; }
}

.pattern-item:hover img {
    transform: scale(1.1);
    filter: brightness(1.05) saturate(1.15);
}

.pattern-item-info {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(10,20,50,0.92) 0%, rgba(10,20,50,0.4) 60%, transparent 100%);
    padding: 32px 16px 16px;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    z-index: 2;
}
.pattern-item:hover .pattern-item-info {
    transform: translateY(0);
}
.pattern-item-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--gold-light);
    margin-bottom: 4px;
    letter-spacing: 1px;
}
.pattern-item-meaning {
    font-size: 12px;
    color: rgba(255,255,255,0.8);
    line-height: 1.5;
}

/* 纹样分类标签 */
.pattern-category-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 36px;
}
.pattern-cat-tab {
    padding: 9px 22px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid var(--border);
    color: var(--text-mid);
    background: #fff;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.pattern-cat-tab:hover { border-color: var(--gold); color: var(--gold-dark); }
.pattern-cat-tab.active {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: var(--gold-light);
    border-color: var(--navy);
    box-shadow: 0 4px 12px rgba(26,58,92,0.25);
}

/* ---- 现代传承卡片（3列并排） ---- */
.innovation-tabs {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 36px;
    flex-wrap: wrap;
}
.innovation-tab {
    padding: 9px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid var(--border);
    color: var(--text-mid);
    background: #fff;
    cursor: pointer;
    transition: var(--transition);
}
.innovation-tab:hover { border-color: var(--gold); color: var(--gold-dark); }
.innovation-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(192,57,43,0.3);
}

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.innovation-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid rgba(212,184,150,0.3);
    transition: var(--transition);
}
.innovation-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px var(--shadow-hover);
}

.innovation-card-img {
    height: 240px;
    overflow: hidden;
    position: relative;
}
.innovation-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.65s cubic-bezier(0.4,0,0.2,1);
}
.innovation-card:hover .innovation-card-img img {
    transform: scale(1.08);
}
/* 扫光 */
.innovation-card-img::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -60%;
    width: 40%;
    height: 300%;
    background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.22) 50%, transparent 70%);
    transform: skewX(-15deg);
    opacity: 0;
    z-index: 2;
    pointer-events: none;
}
.innovation-card:hover .innovation-card-img::after {
    animation: imgScan 0.7s ease forwards;
}

.innovation-card-body {
    padding: 22px;
}
.innovation-card-tag {
    display: inline-block;
    padding: 3px 12px;
    background: rgba(201,168,76,0.12);
    color: var(--gold-dark);
    border-radius: 12px;
    font-size: 12px;
    margin-bottom: 10px;
}
.innovation-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.innovation-card-text {
    font-size: 13px;
    color: var(--text-mid);
    line-height: 1.75;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.innovation-card-year {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 5px;
}
.innovation-card-year i { color: var(--gold); }

/* ---- 留言区表单放大 ---- */
.message-form-wrap {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    box-shadow: 0 4px 30px var(--shadow);
    border: 1px solid rgba(212,184,150,0.3);
    border-top: 4px solid var(--gold);
}
.message-form-wrap .form-control {
    padding: 14px 18px;
    font-size: 15px;
    border-radius: var(--radius);
}
.message-form-wrap textarea.form-control {
    min-height: 160px;
    resize: vertical;
}
.message-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ---- 用户中心 ---- */
.user-center-page {
    padding: 40px 0 80px;
}
.user-center-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    align-items: start;
}
.user-sidebar {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid rgba(212,184,150,0.3);
    position: sticky;
    top: 90px;
}
.user-sidebar-header {
    background: linear-gradient(135deg, var(--navy-dark), var(--navy));
    padding: 32px 20px;
    text-align: center;
}
.user-sidebar-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--gold);
    margin: 0 auto 14px;
    object-fit: cover;
    background: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--navy-dark);
    overflow: hidden;
}
.user-sidebar-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.user-sidebar-name {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}
.user-sidebar-role {
    font-size: 12px;
    color: var(--gold-light);
}
.user-sidebar-nav { padding: 12px 0; }
.user-sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--text-dark);
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.user-sidebar-nav a i { width: 18px; text-align: center; color: var(--gold-dark); }
.user-sidebar-nav a:hover { background: var(--cream); color: var(--navy-dark); }
.user-sidebar-nav a.active {
    background: rgba(26,58,92,0.07);
    color: var(--navy-dark);
    font-weight: 600;
    border-left-color: var(--gold);
}

.user-main-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid rgba(212,184,150,0.3);
}
.user-main-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 1px;
}
.user-main-title i { color: var(--gold); }

/* 头像上传区 */
.avatar-upload-area {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 28px;
    background: var(--cream);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border);
    margin-bottom: 28px;
}
.avatar-preview-wrap {
    position: relative;
    flex-shrink: 0;
}
.avatar-preview {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 3px solid var(--gold);
    object-fit: cover;
    background: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--navy-dark);
    overflow: hidden;
}
.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.avatar-upload-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--navy-dark);
    margin-bottom: 6px;
}
.avatar-upload-info p {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 12px;
}

/* ---- 登录/注册页面 ---- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 50%, var(--primary-dark) 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.auth-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M40 0 L80 40 L40 80 L0 40 Z' fill='none' stroke='%23C9A84C' stroke-width='1' opacity='0.12'/%3E%3C/svg%3E");
    opacity: 0.5;
}
.auth-box {
    position: relative;
    z-index: 1;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 48px 44px;
    width: 100%;
    max-width: 460px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    border-top: 4px solid var(--gold);
}
.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}
.auth-logo .logo-circle {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--navy-dark);
    margin: 0 auto 12px;
    box-shadow: 0 4px 16px rgba(201,168,76,0.4);
}
.auth-logo h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy-dark);
    letter-spacing: 2px;
    margin-bottom: 4px;
}
.auth-logo p {
    font-size: 13px;
    color: var(--text-light);
}
.auth-tabs {
    display: flex;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid var(--border);
    margin-bottom: 28px;
}
.auth-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-mid);
    background: #fff;
    border: none;
}
.auth-tab.active {
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    color: var(--gold-light);
}
.auth-form { display: none; }
.auth-form.active { display: block; }
.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-light);
}
.auth-footer a { color: var(--primary); font-weight: 600; }
.auth-footer a:hover { text-decoration: underline; }

/* ---- 关于本站 - 新板块（联系/合作） ---- */
.about-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.about-contact-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 4px 20px var(--shadow);
    border: 1px solid rgba(212,184,150,0.3);
    border-top: 4px solid var(--gold);
    transition: var(--transition);
}
.about-contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px var(--shadow-hover);
}
.about-contact-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--navy), var(--navy-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--gold-light);
    margin: 0 auto 16px;
    box-shadow: 0 4px 14px rgba(26,58,92,0.25);
}
.about-contact-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 10px;
    letter-spacing: 1px;
}
.about-contact-text {
    font-size: 13px;
    color: var(--text-mid);
    line-height: 1.8;
}

/* ---- 响应式补充 ---- */
@media (max-width: 992px) {
    .innovation-grid { grid-template-columns: repeat(2, 1fr); }
    .about-contact-grid { grid-template-columns: repeat(2, 1fr); }
    .user-center-layout { grid-template-columns: 1fr; }
    .user-sidebar { position: static; }
    .pattern-grid-full { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .message-form-row { grid-template-columns: 1fr; }
    .message-form-wrap { padding: 28px 20px; }
    .auth-box { padding: 32px 24px; }
    .innovation-grid { grid-template-columns: 1fr; }
    .about-contact-grid { grid-template-columns: 1fr; }
}

/* ---- 页脚品牌Logo行 ---- */
.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.logo-icon-sm {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--navy-dark);
    flex-shrink: 0;
}
.footer-brand .brand-name {
    font-size: 17px;
    color: var(--gold);
    font-weight: 700;
    letter-spacing: 1px;
}
.footer-brand .brand-desc {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255,255,255,0.55);
    margin-bottom: 14px;
}
.footer-info-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}
.footer-info-row i { color: var(--gold); margin-right: 4px; }
.footer-col ul li a i { font-size: 10px; margin-right: 6px; color: var(--gold); }