/* ============================================
   上海品茶网 - 黑金风格样式
   域名: shpc886.cn
   ============================================ */

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

:root {
    --gold: #D4AF37;
    --gold-light: #F4E5A3;
    --gold-dark: #B8960C;
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F4E5A3 50%, #B8960C 100%);
    --black: #0A0A0A;
    --black-light: #1A1A1A;
    --black-medium: #2A2A2A;
    --gray-dark: #333333;
    --gray: #666666;
    --gray-light: #999999;
    --white: #F5F5F5;
    --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--black);
    color: var(--white);
    line-height: 1.8;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--gold-light);
}

ul, ol {
    list-style: none;
}

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

/* 通用容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 金色标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.section-title .subtitle {
    color: var(--gray-light);
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 2px;
    background: var(--gold-gradient);
    margin: 15px auto 0;
}

/* 顶部导航 */
.top-bar {
    background: var(--black-light);
    padding: 8px 0;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    font-size: 13px;
    color: var(--gray-light);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar a {
    color: var(--gold);
    margin-left: 20px;
    font-size: 13px;
}

.top-bar a:hover {
    color: var(--gold-light);
}

/* 主导航 */
.main-header {
    background: var(--black);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    backdrop-filter: blur(10px);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* LOGO */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--black);
    border: 2px solid var(--gold);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(212, 175, 55, 0.3), transparent);
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.logo-icon span {
    position: relative;
    z-index: 1;
    font-size: 14px;
    font-weight: 900;
    background: linear-gradient(180deg, #F4E5A3 0%, #D4AF37 40%, #B8960C 70%, #F4E5A3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    text-shadow: none;
    filter: drop-shadow(0 0 3px rgba(212, 175, 55, 0.5));
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.logo-text p {
    font-size: 11px;
    color: var(--gray-light);
    letter-spacing: 2px;
}

/* 导航菜单 */
.main-nav {
    display: flex;
    align-items: center;
}

.main-nav ul {
    display: flex;
    gap: 5px;
}

.main-nav ul li a {
    color: var(--white);
    padding: 10px 18px;
    border-radius: 5px;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

.main-nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--gold);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--gold);
    transition: var(--transition);
}

/* 轮播横幅 */
.hero-banner {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: var(--black);
}

.hero-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover;
    background-position: center;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(10,10,10,0.7) 0%, rgba(10,10,10,0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 18px;
    color: var(--gray-light);
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--gold-gradient);
    color: var(--black);
    font-weight: 700;
    font-size: 16px;
    border-radius: 50px;
    transition: var(--transition);
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.4);
    color: var(--black);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 特色服务 */
.features {
    padding: 80px 0;
    background: var(--black-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--black-medium);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    padding: 40px 25px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

.feature-card h3 {
    font-size: 18px;
    color: var(--gold);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--gray-light);
    line-height: 1.6;
}

/* 文章列表 */
.articles-section {
    padding: 80px 0;
    background: var(--black);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.article-card {
    background: var(--black-light);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
}

.article-thumb {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.article-thumb::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--black-light));
}

.article-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--gold-gradient);
    color: var(--black);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.article-body {
    padding: 25px;
}

.article-body h3 {
    font-size: 17px;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-body h3 a:hover {
    color: var(--gold);
}

.article-body p {
    font-size: 14px;
    color: var(--gray-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 15px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--gray);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    padding-top: 15px;
}

.read-more {
    color: var(--gold);
    font-weight: 600;
    font-size: 13px;
}

.read-more:hover {
    color: var(--gold-light);
}

/* 关于我们页面 */
.about-section {
    padding: 80px 0;
    background: var(--black-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid rgba(212, 175, 55, 0.3);
}

.about-image img {
    width: 100%;
    height: auto;
}

.about-text h2 {
    font-size: 36px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--gray-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--black-medium);
    border-radius: 10px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.stat-item .number {
    font-size: 32px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item .label {
    font-size: 13px;
    color: var(--gray-light);
    margin-top: 5px;
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background: var(--black-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--black-medium);
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: rgba(212, 175, 55, 0.4);
    transform: translateX(5px);
}

.contact-icon {
    width: 55px;
    height: 55px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-detail h4 {
    color: var(--gold);
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-detail p {
    color: var(--gray-light);
    font-size: 15px;
}

.contact-form {
    background: var(--black-medium);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.15);
}

.contact-form h3 {
    color: var(--gold);
    font-size: 22px;
    margin-bottom: 25px;
    text-align: center;
}

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

.form-group label {
    display: block;
    color: var(--gray-light);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 18px;
    background: var(--black-light);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    color: var(--white);
    font-size: 14px;
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.2);
}

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

.submit-btn {
    width: 100%;
    padding: 15px;
    background: var(--gold-gradient);
    color: var(--black);
    font-weight: 700;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.4);
}

/* 文章详情 */
.article-detail {
    padding: 80px 0;
    background: var(--black);
}

.article-detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.article-detail-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.article-detail-header h1 {
    font-size: 32px;
    color: var(--white);
    line-height: 1.5;
    margin-bottom: 15px;
}

.article-detail-meta {
    display: flex;
    gap: 25px;
    color: var(--gray);
    font-size: 13px;
}

.article-detail-body {
    color: var(--gray-light);
    line-height: 2;
    font-size: 16px;
}

.article-detail-body h2 {
    color: var(--gold);
    font-size: 24px;
    margin: 35px 0 20px;
    padding-left: 15px;
    border-left: 3px solid var(--gold);
}

.article-detail-body h3 {
    color: var(--gold-light);
    font-size: 20px;
    margin: 25px 0 15px;
}

.article-detail-body p {
    margin-bottom: 20px;
    text-indent: 2em;
}

.article-detail-body img {
    margin: 25px auto;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.article-detail-body ul, .article-detail-body ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-detail-body li {
    margin-bottom: 10px;
    list-style: disc;
}

.article-detail-body ol li {
    list-style: decimal;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.article-nav a {
    color: var(--gold);
    font-size: 14px;
    padding: 10px 20px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 5px;
    transition: var(--transition);
}

.article-nav a:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--gold);
}

/* 侧边栏 */
.content-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-widget {
    background: var(--black-light);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 12px;
    padding: 25px;
}

.sidebar-widget h4 {
    color: var(--gold);
    font-size: 16px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.sidebar-widget ul li {
    margin-bottom: 12px;
}

.sidebar-widget ul li a {
    color: var(--gray-light);
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 5px;
    transition: var(--transition);
}

.sidebar-widget ul li a:hover {
    color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
}

.sidebar-widget ul li a .count {
    background: rgba(212, 175, 55, 0.2);
    color: var(--gold);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
}

/* 悬浮联系按钮 */
.floating-contact {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.float-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    border: 2px solid;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
}

.float-btn:hover {
    transform: scale(1.15);
}

.float-btn-phone {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    border-color: #4CAF50;
    color: white;
    animation: pulse-green 2s infinite;
}

.float-btn-qq {
    background: linear-gradient(135deg, #2196F3, #1565C0);
    border-color: #2196F3;
    color: white;
}

.float-btn-wechat {
    background: linear-gradient(135deg, #4CAF50, #1B5E20);
    border-color: #4CAF50;
    color: white;
}

.float-btn-tooltip {
    position: absolute;
    right: 65px;
    background: var(--black-medium);
    color: var(--gold);
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 1px solid rgba(212, 175, 55, 0.3);
    pointer-events: none;
}

.float-btn:hover .float-btn-tooltip {
    opacity: 1;
    visibility: visible;
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 5px 20px rgba(76, 175, 80, 0.4); }
    50% { box-shadow: 0 5px 30px rgba(76, 175, 80, 0.7); }
}

/* 底部悬浮栏 */
.bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--black-medium);
    border-top: 2px solid rgba(212, 175, 55, 0.3);
    padding: 10px 0;
    z-index: 9998;
    display: none;
}

.bottom-bar .container {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.bottom-bar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    color: var(--gray-light);
    font-size: 11px;
    transition: var(--transition);
    padding: 5px 15px;
}

.bottom-bar-btn:hover {
    color: var(--gold);
}

.bottom-bar-btn .icon {
    font-size: 22px;
}

/* 页脚 */
.main-footer {
    background: var(--black-light);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about h3,
.footer-links h4 {
    color: var(--gold);
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-about p {
    color: var(--gray-light);
    font-size: 14px;
    line-height: 1.8;
}

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

.footer-links ul li a {
    color: var(--gray-light);
    font-size: 14px;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--gold);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    color: var(--gray);
    font-size: 13px;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    background: var(--black-light);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.breadcrumb ul {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb ul li {
    color: var(--gray);
}

.breadcrumb ul li a {
    color: var(--gray-light);
}

.breadcrumb ul li a:hover {
    color: var(--gold);
}

.breadcrumb ul li.active {
    color: var(--gold);
}

.breadcrumb ul li + li::before {
    content: '/';
    margin-right: 10px;
    color: var(--gray);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a, .pagination span {
    padding: 8px 16px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 5px;
    color: var(--gray-light);
    font-size: 14px;
    transition: var(--transition);
}

.pagination a:hover,
.pagination .active {
    background: var(--gold-gradient);
    color: var(--black);
    border-color: var(--gold);
}

/* 返回顶部 */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 30px;
    width: 45px;
    height: 45px;
    background: var(--gold-gradient);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-3px);
}

/* Toast通知 */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--black-medium);
    color: var(--gold);
    padding: 15px 30px;
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    z-index: 99999;
    transition: transform 0.3s ease;
    font-size: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .content-with-sidebar {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav ul {
        display: none;
    }
    .mobile-menu-btn {
        display: flex;
    }
    .hero-content h2 {
        font-size: 28px;
    }
    .hero-banner {
        height: 400px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .about-content {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .section-title h2 {
        font-size: 24px;
    }
    .floating-contact {
        right: 10px;
        bottom: 70px;
    }
    .float-btn {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
    .bottom-bar {
        display: block;
    }
    .floating-contact {
        display: none;
    }
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 金色分割线 */
.gold-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 40px 0;
}

/* 标签 */
.tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 20px;
    color: var(--gold);
    font-size: 12px;
    margin: 3px;
    transition: var(--transition);
}

.tag:hover {
    background: rgba(212, 175, 55, 0.2);
    color: var(--gold-light);
}

/* 统计信息条 */
.stats-bar {
    background: var(--black-medium);
    padding: 40px 0;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stats-grid .stat {
    padding: 20px;
}

.stats-grid .stat-number {
    font-size: 36px;
    font-weight: 700;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-grid .stat-label {
    color: var(--gray-light);
    font-size: 14px;
    margin-top: 5px;
}

/* 文章列表页头部 */
.page-header {
    background: var(--black-light);
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
}

.page-header h1 {
    position: relative;
    font-size: 36px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.page-header p {
    position: relative;
    color: var(--gray-light);
    font-size: 15px;
}