/* ============================
   非遗工坊 - 全局样式
   传统中国风主题
   ============================ */

/* === CSS Variables === */
:root {
    /* 字体放大系数 */
    --font-scale: 1.14;

    /* 主色调 - 清新雅致版 */
    --color-vermilion: #C93C20;
    --color-vermilion-light: #E85D3A;
    --color-ink: #3D2E1A;
    --color-ink-light: #6B5D4B;
    --color-paper: #F7F0E6;
    --color-paper-dark: #EDE0CC;
    --color-paper-light: #FFFBF5;
    --color-indigo: #1B4F72;
    --color-indigo-light: #2E86C1;
    --color-gold: #D4A843;
    --color-gold-light: #F0D860;
    --color-jade: #52B788;
    --color-jade-light: #95D5B2;
    --color-seal-red: #E63946;

    /* 功能色 */
    --color-success: #52B788;
    --color-warning: #D4A843;
    --color-danger: #C93C20;
    --color-info: #1B4F72;

    /* 字体 */
    --font-title: 'Ma Shan Zheng', 'KaiTi', 'STKaiti', '楷体', serif;
    --font-body: 'Noto Serif SC', 'SimSun', 'STSong', '宋体', serif;
    --font-mono: 'Noto Sans SC', 'Microsoft YaHei', '微软雅黑', sans-serif;

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;

    /* 圆角 - 柔和版 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(44, 36, 22, 0.12);
    --shadow-md: 0 4px 12px rgba(44, 36, 22, 0.15);
    --shadow-lg: 0 8px 24px rgba(44, 36, 22, 0.2);

    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* === Reset & Base === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-ink);
    background-color: var(--color-paper-light);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(139, 37, 0, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(30, 58, 95, 0.03) 0%, transparent 50%);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-vermilion);
    text-decoration: none;
    transition: color var(--transition-fast);
}
a:hover {
    color: var(--color-vermilion-light);
}

/* === Scrollbar (竹节风格) === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-paper-dark);
    border-radius: 6px;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-gold), var(--color-ink-light));
    border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-gold-light), var(--color-ink));
}

/* === Layout - Admin Sidebar === */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
    width: 220px;
    min-height: 100vh;
    background: linear-gradient(180deg, #3D2E1A 0%, #2C2416 100%);
    color: var(--color-paper);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
}

.sidebar-header {
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid rgba(201, 169, 110, 0.3);
    position: relative;
}

.sidebar-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 20%;
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.sidebar-logo {
    font-family: var(--font-title);
    font-size: 1.6rem;
    color: var(--color-gold);
    letter-spacing: 6px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    padding: var(--spacing-sm) 0;
    position: relative;
    display: inline-block;
}

.sidebar-logo::before,
.sidebar-logo::after {
    content: '';
    position: absolute;
    height: 2px;
    width: 30px;
    background: var(--color-gold);
    top: 50%;
}
.sidebar-logo::before { right: calc(100% + 10px); }
.sidebar-logo::after { left: calc(100% + 10px); }

.sidebar-subtitle {
    font-size: 0.75rem;
    color: var(--color-gold);
    opacity: 0.7;
    letter-spacing: 4px;
    margin-top: var(--spacing-xs);
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto;
}

.nav-section-title {
    font-size: 0.7rem;
    color: var(--color-gold);
    opacity: 0.5;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-xs);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 10px var(--spacing-lg);
    color: var(--color-paper);
    opacity: 0.75;
    transition: all var(--transition-fast);
    cursor: pointer;
    border-left: 3px solid transparent;
    font-size: 0.9rem;
    gap: var(--spacing-sm);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-item:hover {
    opacity: 1;
    background: rgba(201, 169, 110, 0.08);
    border-left-color: var(--color-gold);
}

.nav-item.active {
    opacity: 1;
    background: rgba(201, 169, 110, 0.12);
    border-left-color: var(--color-vermilion);
    color: var(--color-gold-light);
}

.nav-icon {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(201, 169, 110, 0.2);
    font-size: 0.75rem;
    color: var(--color-gold);
    opacity: 0.6;
    text-align: center;
}

/* Main Content Area */
.admin-main {
    flex: 1;
    margin-left: 220px;
    padding: var(--spacing-lg);
    min-height: 100vh;
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0 var(--spacing-lg);
    border-bottom: 2px solid var(--color-paper-dark);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.top-bar::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100px;
    height: 2px;
    background: var(--color-vermilion);
}

.page-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    color: var(--color-ink);
    letter-spacing: 3px;
}

.page-title small {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--color-ink-light);
    opacity: 0.6;
    margin-left: var(--spacing-sm);
    letter-spacing: 1px;
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.top-bar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.top-bar-user:hover {
    background: rgba(139, 37, 0, 0.05);
}

.top-bar-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-gold);
    object-fit: cover;
}

.top-bar-name {
    font-size: 0.85rem;
    color: var(--color-ink);
}

/* === User Layout === */
.user-layout {
    min-height: 100vh;
    background: var(--color-paper-light);
}

.user-header {
    background: linear-gradient(180deg, var(--color-ink) 0%, #2a2018 100%);
    color: var(--color-paper);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.2);
    position: sticky;
    top: 0;
    z-index: 100;
}

.user-header-logo {
    font-family: var(--font-title);
    font-size: 1.3rem;
    color: var(--color-gold);
    letter-spacing: 4px;
}

.user-nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.user-nav a {
    color: var(--color-paper);
    opacity: 0.75;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-size: 0.85rem;
    letter-spacing: 1px;
    position: relative;
}

.user-nav a:hover,
.user-nav a.active {
    opacity: 1;
    color: var(--color-gold-light);
    background: rgba(201, 169, 110, 0.1);
}

.user-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: var(--color-vermilion);
}

.user-main {
    padding: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.user-main-wide {
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

/* === Components === */

/* 印章风格按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 8px 20px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-ink);
    background: transparent;
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    background: var(--color-ink);
    color: var(--color-paper);
}

.btn-primary {
    border-color: var(--color-vermilion);
    color: var(--color-vermilion);
}
.btn-primary:hover {
    background: var(--color-vermilion);
    color: var(--color-paper);
}

.btn-danger {
    border-color: var(--color-seal-red);
    color: var(--color-seal-red);
}
.btn-danger:hover {
    background: var(--color-seal-red);
    color: var(--color-paper);
}

.btn-success {
    border-color: var(--color-jade);
    color: var(--color-jade);
}
.btn-success:hover {
    background: var(--color-jade);
    color: var(--color-paper);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 1rem;
}

/* 红印按钮点击效果 */
.btn:active {
    transform: scale(0.97);
}

/* 宣纸红线格输入框 */
.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-ink-light);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 1px;
}

.input-field {
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-bottom: 2px solid var(--color-vermilion);
    background: var(--color-paper-light);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-ink);
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
}

.input-field:focus {
    border-bottom-color: var(--color-gold);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(139, 37, 0, 0.08);
}

.input-field::placeholder {
    color: var(--color-ink-light);
    opacity: 0.4;
    font-style: italic;
}

/* 带背景纹理的输入框 */
.input-field-paper {
    background-image:
        repeating-linear-gradient(
            transparent,
            transparent 28px,
            rgba(139, 37, 0, 0.08) 28px,
            rgba(139, 37, 0, 0.08) 29px
        );
    line-height: 29px;
    min-height: 120px;
    resize: vertical;
}

/* 木雕挂牌卡片 */
.card {
    background: var(--color-paper-light);
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-paper-dark);
}

.card-title {
    font-family: var(--font-title);
    font-size: 1.1rem;
    color: var(--color-ink);
    letter-spacing: 2px;
}

/* 木纹挂牌特殊卡片 */
.card-wood {
    border: 2px solid var(--color-ink-light);
    background: linear-gradient(135deg, var(--color-paper-light), var(--color-paper));
    border-radius: var(--radius-sm);
    box-shadow:
        inset 0 0 20px rgba(44, 36, 22, 0.05),
        var(--shadow-sm);
}

.card-wood::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    border-radius: 0 0 50% 50%;
}

/* 数据卡片（木雕挂牌风格） */
.stat-card {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    border: 2px solid var(--color-paper-dark);
    background: linear-gradient(180deg, var(--color-paper-light), var(--color-paper));
    border-radius: var(--radius-md);
    position: relative;
    min-width: 160px;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-vermilion), var(--color-gold));
}

.stat-value {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--color-vermilion);
    letter-spacing: 2px;
    display: block;
    margin-bottom: var(--spacing-xs);
    transition: transform var(--transition-slow);
}

.stat-value:hover {
    animation: abacus-shake 0.3s ease;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-ink-light);
    letter-spacing: 2px;
}

/* 算盘珠子拨动动画 */
@keyframes abacus-shake {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-2px); }
    75% { transform: translateY(1px); }
}

/* === 表格（线装书册页风格） === */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-md);
    background: var(--color-paper-light);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead {
    background: linear-gradient(180deg, var(--color-ink), var(--color-ink-light));
    color: var(--color-gold-light);
}

th {
    padding: 12px var(--spacing-md);
    text-align: left;
    font-family: var(--font-title);
    font-weight: normal;
    letter-spacing: 2px;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--color-gold);
}

td {
    padding: 10px var(--spacing-md);
    border-bottom: 1px solid var(--color-paper-dark);
    color: var(--color-ink);
}

tr:nth-child(even) {
    background: rgba(245, 230, 200, 0.3);
}

tr:hover {
    background: rgba(201, 169, 110, 0.1);
}

/* 状态标签 */
.status-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 0.75rem;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    border: 1px solid;
}

.status-active {
    color: var(--color-jade);
    border-color: var(--color-jade);
}

.status-inactive {
    color: var(--color-ink-light);
    border-color: var(--color-ink-light);
}

.status-pending {
    color: var(--color-gold);
    border-color: var(--color-gold);
}

.status-sold {
    color: var(--color-ink-light);
    border-color: var(--color-ink-light);
    opacity: 0.6;
}

/* 丝绸飘带 */
.silk-ribbon {
    position: absolute;
    top: -1px;
    right: 20px;
    padding: 3px 16px;
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--color-paper-light);
    clip-path: polygon(0 0, 100% 0, 90% 100%, 10% 100%);
}

.silk-ribbon.red { background: var(--color-vermilion); }
.silk-ribbon.gray { background: var(--color-ink-light); }
.silk-ribbon.gold { background: var(--color-gold); }

/* === 博古架（categories） === */
.shelf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-lg);
}

.shelf-item {
    background: linear-gradient(180deg, var(--color-paper-light), var(--color-paper));
    border: 2px solid var(--color-paper-dark);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.shelf-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-gold);
}

.shelf-item-label {
    font-family: var(--font-title);
    font-size: 1.2rem;
    color: var(--color-ink);
    letter-spacing: 4px;
}

.shelf-item-count {
    font-size: 0.75rem;
    color: var(--color-ink-light);
    opacity: 0.6;
    margin-top: var(--spacing-xs);
}

/* === 卷轴样式 === */
.scroll {
    position: relative;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: linear-gradient(90deg,
        var(--color-paper-dark) 0%,
        var(--color-paper-light) 3%,
        var(--color-paper-light) 97%,
        var(--color-paper-dark) 100%
    );
    border: 1px solid var(--color-paper-dark);
    min-height: 60px;
}

.scroll::before,
.scroll::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg,
        var(--color-gold),
        var(--color-paper-dark) 20%,
        var(--color-paper-dark) 80%,
        var(--color-gold)
    );
    border-radius: 3px;
}
.scroll::before { top: -3px; }
.scroll::after { bottom: -3px; }

/* === 信封/火漆（Orders） === */
.envelope {
    background: linear-gradient(135deg, var(--color-paper-light), var(--color-paper-dark));
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.envelope:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.envelope-seal {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid;
    position: relative;
    flex-shrink: 0;
}

.envelope-seal.red {
    border-color: var(--color-vermilion);
    background: radial-gradient(circle, var(--color-vermilion) 30%, transparent 70%);
}
.envelope-seal.blue {
    border-color: var(--color-indigo);
    background: radial-gradient(circle, var(--color-indigo) 30%, transparent 70%);
}
.envelope-seal.gold {
    border-color: var(--color-gold);
    background: radial-gradient(circle, var(--color-gold) 30%, transparent 70%);
}

.envelope-seal::after {
    content: '封';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.6rem;
    color: var(--color-paper-light);
    font-family: var(--font-title);
}

/* === 弹窗/模态框 === */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 36, 22, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--color-paper-light);
    border: 2px solid var(--color-paper-dark);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    min-width: 400px;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: modal-in var(--transition-normal);
}

@keyframes modal-in {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 30px;
    height: 30px;
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-ink-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    border-color: var(--color-vermilion);
    color: var(--color-vermilion);
}

/* === 搜索框（卷轴风格） === */
.search-scroll {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-sm);
    background: var(--color-paper-light);
    padding: 6px 14px;
    max-width: 400px;
    position: relative;
}

.search-scroll input {
    flex: 1;
    border: none;
    background: transparent;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--color-ink);
    outline: none;
    padding: 4px 0;
}

.search-scroll input::placeholder {
    color: var(--color-ink-light);
    opacity: 0.4;
}

.search-scroll .search-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-ink-light);
    padding: 4px 8px;
    font-size: 1rem;
}

/* === 玉牌选项（System） === */
.jade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.jade-item {
    background: linear-gradient(145deg, var(--color-paper-light), #e8ddd0);
    border: 2px solid var(--color-gold);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-radius: 50% 50% 40% 40% / 60% 60% 40% 40%;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.jade-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(201, 169, 110, 0.3);
    border-color: var(--color-vermilion);
}

.jade-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-vermilion);
}

.jade-label {
    font-family: var(--font-title);
    font-size: 0.95rem;
    color: var(--color-ink);
    letter-spacing: 2px;
}

/* === 时间轴 === */
.timeline {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-gold), var(--color-vermilion), var(--color-gold));
}

.timeline-item {
    position: relative;
    padding-left: 50px;
    margin-bottom: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-vermilion);
    border: 3px solid var(--color-gold);
}

.timeline-content {
    background: var(--color-paper-light);
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--color-vermilion);
    letter-spacing: 1px;
}

/* === 商品卡（展台风格） === */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--color-paper-light);
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.product-card:hover {
    box-shadow: 0 8px 30px rgba(44, 36, 22, 0.15);
    transform: translateY(-4px);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--color-paper-dark);
}

.product-info {
    padding: var(--spacing-md);
    text-align: center;
}

.product-name {
    font-family: var(--font-title);
    font-size: 1rem;
    color: var(--color-ink);
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.product-price {
    font-size: 1.1rem;
    color: var(--color-vermilion);
    letter-spacing: 1px;
}

.product-price::before {
    content: '\00a5';
    margin-right: 2px;
}

/* 聚光灯效果 */
.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.15) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.product-card:hover::after {
    opacity: 1;
}

/* === 筛选器（印章风格） === */
.filter-stamps {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-stamp {
    padding: 6px 16px;
    border: 2px solid var(--color-vermilion);
    border-radius: var(--radius-sm);
    color: var(--color-vermilion);
    background: transparent;
    cursor: pointer;
    font-family: var(--font-title);
    font-size: 0.8rem;
    letter-spacing: 2px;
    transition: all var(--transition-fast);
}

.filter-stamp:hover,
.filter-stamp.active {
    background: var(--color-vermilion);
    color: var(--color-paper-light);
}

/* === 书签筛选标签 === */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-tab {
    padding: 6px 14px;
    border: 1px solid var(--color-paper-dark);
    background: var(--color-paper-light);
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--color-ink-light);
    transition: all var(--transition-fast);
    letter-spacing: 1px;
    position: relative;
}

.filter-tab:hover,
.filter-tab.active {
    color: var(--color-vermilion);
    border-color: var(--color-vermilion);
    background: rgba(139, 37, 0, 0.03);
}

.filter-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 20%;
    width: 60%;
    height: 2px;
    background: var(--color-vermilion);
}

/* === 论坛/帖子 === */
.post-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.post-item {
    background: var(--color-paper-light);
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.post-item:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-sm);
}

.post-item.hot {
    border-left: 3px solid var(--color-vermilion);
}

.post-item.pinned {
    border: 2px solid var(--color-gold);
}

.post-title {
    font-family: var(--font-title);
    font-size: 1rem;
    color: var(--color-ink);
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.post-meta {
    font-size: 0.75rem;
    color: var(--color-ink-light);
    opacity: 0.7;
    display: flex;
    gap: var(--spacing-md);
}

.post-excerpt {
    font-size: 0.8rem;
    color: var(--color-ink-light);
    margin-top: var(--spacing-sm);
    opacity: 0.8;
}

/* === 雅间门牌 === */
.room-tags {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.room-tag {
    padding: 8px 16px;
    border: 1px solid var(--color-paper-dark);
    background: var(--color-paper-light);
    cursor: pointer;
    font-family: var(--font-title);
    font-size: 0.9rem;
    color: var(--color-ink);
    letter-spacing: 2px;
    transition: all var(--transition-fast);
    text-align: center;
}

.room-tag:hover,
.room-tag.active {
    border-color: var(--color-vermilion);
    color: var(--color-vermilion);
    background: rgba(139, 37, 0, 0.03);
}

/* === 购物车 === */
.cart-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-paper-dark);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--color-paper-light);
    position: relative;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 1px solid var(--color-paper-dark);
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-family: var(--font-title);
    font-size: 0.95rem;
    color: var(--color-ink);
    letter-spacing: 1px;
}

.cart-item-price {
    color: var(--color-vermilion);
    font-size: 0.9rem;
}

.qty-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-paper-dark);
    background: var(--color-paper-light);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.qty-btn:hover {
    border-color: var(--color-vermilion);
    color: var(--color-vermilion);
}

.qty-value {
    min-width: 30px;
    text-align: center;
    font-size: 0.9rem;
}

/* 算盘总价 */
.abacus-total {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 2px solid var(--color-paper-dark);
    margin-top: var(--spacing-md);
    font-family: var(--font-title);
    font-size: 1.2rem;
}

.abacus-total .total-label {
    color: var(--color-ink-light);
    letter-spacing: 2px;
}

.abacus-total .total-amount {
    color: var(--color-vermilion);
    font-size: 1.5rem;
}

/* === 竖排文字 === */
.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 4px;
}

/* === 印章 === */
.seal-stamp {
    display: inline-block;
    padding: 8px 12px;
    border: 2px solid var(--color-seal-red);
    color: var(--color-seal-red);
    font-family: var(--font-title);
    font-size: 0.85rem;
    letter-spacing: 2px;
    transform: rotate(-3deg);
    background: rgba(204, 51, 51, 0.05);
    position: relative;
}

.seal-stamp::before {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid var(--color-seal-red);
    opacity: 0.5;
}

/* === 竹简/竹节分割线 === */
.bamboo-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    color: var(--color-jade);
    font-size: 0.75rem;
    letter-spacing: 2px;
}

.bamboo-divider::before,
.bamboo-divider::after {
    content: '';
    flex: 1;
    height: 2px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-jade) 0px,
        var(--color-jade) 4px,
        transparent 4px,
        transparent 8px
    );
}

/* === 水墨加载 === */
.loading-ink {
    display: inline-block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-ink);
    animation: ink-drop 1.2s ease-in-out infinite;
}

@keyframes ink-drop {
    0%, 100% {
        transform: scale(0.3);
        opacity: 0.3;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
}

/* === 通知徽标 === */
.badge {
    display: inline-block;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-vermilion);
    color: var(--color-paper-light);
    font-size: 0.65rem;
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
    font-family: var(--font-mono);
}

/* === 铜镜头像 === */
.avatar-bronze {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--color-gold);
    object-fit: cover;
    box-shadow:
        0 0 0 4px var(--color-paper-dark),
        inset 0 0 20px rgba(201, 169, 110, 0.3);
    position: relative;
}

.avatar-bronze-sm {
    width: 50px;
    height: 50px;
}

.avatar-bronze-lg {
    width: 100px;
    height: 100px;
}

/* === 流水卡片（Dashboard图表） === */
.chart-container {
    background: var(--color-paper-light);
    border: 1px solid var(--color-paper-dark);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.chart-title {
    font-family: var(--font-title);
    font-size: 1rem;
    color: var(--color-ink);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-paper-dark);
}

/* 水墨柱状图（卷轴高度） */
.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    min-height: 200px;
}

.bar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.bar {
    width: 100%;
    max-width: 40px;
    background: linear-gradient(180deg, var(--color-vermilion), var(--color-ink));
    border-radius: 2px 2px 0 0;
    min-height: 4px;
    transition: height var(--transition-slow);
    position: relative;
}

.bar-label {
    font-size: 0.7rem;
    color: var(--color-ink-light);
    letter-spacing: 1px;
}

/* 水墨折线图（毛笔连点） */
.line-chart {
    position: relative;
    height: 200px;
    padding: var(--spacing-md) 0;
}

.line-chart svg {
    width: 100%;
    height: 100%;
}

/* === 工具类 === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

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

.w-full { width: 100%; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .admin-sidebar {
        width: 60px;
    }
    .admin-sidebar .nav-item span:not(.nav-icon) {
        display: none;
    }
    .admin-main {
        margin-left: 60px;
    }
}

/* === 地图（Dashboard桑皮纸地图） === */
.map-container {
    position: relative;
    background: var(--color-paper);
    min-height: 300px;
    border: 2px solid var(--color-paper-dark);
    overflow: hidden;
    background-image:
        radial-gradient(circle at 30% 40%, rgba(44,36,22,0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(44,36,22,0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 30%, rgba(44,36,22,0.06) 0%, transparent 50%);
}

.map-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-ink);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.map-dot:hover {
    transform: scale(2);
    background: var(--color-vermilion);
    box-shadow: 0 0 10px rgba(139, 37, 0, 0.4);
}

.map-dot-label {
    position: absolute;
    left: 14px;
    top: -4px;
    font-size: 0.65rem;
    color: var(--color-ink-light);
    white-space: nowrap;
    opacity: 0.7;
}

/* === 宣纸信笺（Profile） === */
.letter-paper {
    background: var(--color-paper-light);
    border: 1px solid var(--color-paper-dark);
    padding: var(--spacing-xl);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.letter-paper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--color-vermilion), transparent);
}

/* 竖排信息区 */
.vertical-info {
    writing-mode: vertical-rl;
    font-size: 0.85rem;
    line-height: 2;
    color: var(--color-ink);
    letter-spacing: 2px;
}

/* 墨迹晕染过渡 */
@keyframes ink-bleed {
    0% {
        filter: blur(4px);
        opacity: 0;
    }
    100% {
        filter: blur(0);
        opacity: 1;
    }
}

.ink-bleed-in {
    animation: ink-bleed 0.6s ease forwards;
}

/* 红泥印压效果 */
@keyframes seal-press {
    0% {
        transform: scale(1.5) rotate(-5deg);
        opacity: 0;
    }
    60% {
        transform: scale(0.95) rotate(-3deg);
    }
    100% {
        transform: scale(1) rotate(-3deg);
        opacity: 1;
    }
}

.seal-press {
    animation: seal-press 0.4s ease forwards;
}

/* 帖子列表散落信纸效果 */
.post-scattered {
    transform: rotate(var(--rot, 0deg));
    transition: transform var(--transition-normal);
}

.post-scattered:hover {
    transform: rotate(0deg) scale(1.01);
}

/* 展厅射灯动画 */
@keyframes spotlight {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* 竹篮图标动画 */
@keyframes basket-swing {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}

/* 横匾风格 */
.plaque {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.plaque-title {
    font-family: var(--font-title);
    font-size: 2rem;
    color: var(--color-ink);
    letter-spacing: 12px;
    position: relative;
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xxl);
}

.plaque-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.plaque-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

/* === 时间滑条（琵琶弦轴） === */
.time-slider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-paper);
    border: 1px solid var(--color-paper-dark);
    margin-bottom: var(--spacing-lg);
}

.time-slider input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-vermilion));
    border-radius: 2px;
    outline: none;
}

.time-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-ink);
    border: 2px solid var(--color-gold);
    cursor: pointer;
}

.time-label {
    font-family: var(--font-title);
    font-size: 0.85rem;
    color: var(--color-vermilion);
    letter-spacing: 2px;
    min-width: 60px;
    text-align: center;
}

/* === 竖排邸报 === */
.gazette {
    font-size: 0.85rem;
    line-height: 2;
    color: var(--color-ink);
}

.gazette-title {
    font-family: var(--font-title);
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 6px;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-ink);
}

/* 纸灯笼光晕 */
.lantern-glow {
    position: relative;
}

.lantern-glow::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 20px;
    background: radial-gradient(ellipse, rgba(201, 169, 110, 0.3) 0%, transparent 70%);
    pointer-events: none;
}

/* 拜帖/名刺（Login） */
.business-card {
    background: var(--color-paper-light);
    border: 2px solid var(--color-ink);
    padding: var(--spacing-xl);
    max-width: 420px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.business-card::before {
    content: '拜帖';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    padding: 2px 20px;
    background: var(--color-ink);
    color: var(--color-gold);
    font-family: var(--font-title);
    font-size: 0.8rem;
    letter-spacing: 4px;
}

/* 背景山水屏风 */
.login-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-paper-light) 0%, var(--color-paper) 50%, var(--color-paper-dark) 100%);
    position: relative;
    overflow: hidden;
}

.login-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(44,36,22,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139,37,0,0.06) 0%, transparent 50%);
}