/* ========================================
   成都品茶工作室 - 新中式风格主题样式
   域名: dqpc99.cn
   ======================================== */

/* CSS变量 - 新中式主题色 */
:root {
    --primary-red: #8B2500;
    --primary-gold: #C9A961;
    --light-gold: #E8D4A0;
    --dark-brown: #3E2723;
    --cream: #F5F0E1;
    --ink-black: #2C2C2C;
    --jade-green: #2E8B57;
    --paper-bg: #FAF6EB;
    --border-classic: #8B6914;
    --shadow-warm: 0 4px 20px rgba(139, 37, 0, 0.15);
    --shadow-gold: 0 4px 20px rgba(201, 169, 97, 0.3);
    --transition: all 0.3s ease;
    --font-classic: 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
    --font-modern: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-modern);
    background-color: var(--paper-bg);
    color: var(--ink-black);
    line-height: 1.8;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(201, 169, 97, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 37, 0, 0.03) 0%, transparent 50%);
}

/* 链接样式 */
a {
    color: var(--primary-red);
    text-decoration: none;
    transition: var(--transition);
}

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

/* 图片样式 */
img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* ========================================
   中式装饰元素
   ======================================== */
.chinese-border {
    position: relative;
    border: 1px solid var(--primary-gold);
}

.chinese-border::before,
.chinese-border::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-red);
}

.chinese-border::before {
    top: -5px;
    left: -5px;
    border-right: none;
    border-bottom: none;
}

.chinese-border::after {
    bottom: -5px;
    right: -5px;
    border-left: none;
    border-top: none;
}

/* 中式分割线 */
.chinese-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 30px 0;
}

.chinese-divider::before,
.chinese-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--primary-gold) 50%, transparent 100%);
}

.chinese-divider span {
    padding: 0 20px;
    color: var(--primary-red);
    font-size: 20px;
}

/* ========================================
   头部导航
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(62, 39, 35, 0.98) 0%, rgba(62, 39, 35, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-gold);
    padding: 15px 0;
    transition: var(--transition);
}

.header::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-red);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-classic);
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-gold);
    letter-spacing: 2px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
}

.nav-menu a {
    color: var(--cream);
    font-size: 15px;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    letter-spacing: 1px;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gold);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-gold);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--primary-gold);
    font-size: 24px;
    cursor: pointer;
}

/* ========================================
   Banner 主视觉区 - 新中式风格
   ======================================== */
.banner {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    margin-top: 0;
    background: var(--dark-brown);
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(62, 39, 35, 0.85) 0%, rgba(44, 44, 44, 0.7) 100%);
    z-index: 1;
}

.banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(201, 169, 97, 0.03) 35px, rgba(201, 169, 97, 0.03) 70px);
    z-index: 1;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1545579133-99bb5ab189bd?w=1920&q=80') center/cover no-repeat;
    filter: sepia(20%) brightness(0.8);
}

.banner-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 40px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    background: rgba(62, 39, 35, 0.3);
    backdrop-filter: blur(5px);
}

.banner-content::before,
.banner-content::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--primary-gold);
}

.banner-content::before {
    top: -2px;
    left: -2px;
    border-right: none;
    border-bottom: none;
}

.banner-content::after {
    bottom: -2px;
    right: -2px;
    border-left: none;
    border-top: none;
}

.banner h1 {
    font-family: var(--font-classic);
    font-size: 42px;
    font-weight: bold;
    color: var(--primary-gold);
    margin-bottom: 20px;
    letter-spacing: 4px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.banner .subtitle {
    font-family: var(--font-classic);
    font-size: 18px;
    color: var(--cream);
    margin-bottom: 15px;
    letter-spacing: 2px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.banner p {
    font-size: 16px;
    color: rgba(245, 240, 225, 0.8);
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.4s both;
}

.banner-btn {
    display: inline-block;
    padding: 15px 45px;
    background: linear-gradient(135deg, var(--primary-red) 0%, #A0522D 100%);
    color: var(--cream);
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 2px;
    border: 1px solid var(--primary-gold);
    transition: var(--transition);
    animation: fadeInUp 1s ease 0.6s both;
    position: relative;
    overflow: hidden;
}

.banner-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 97, 0.3), transparent);
    transition: left 0.5s ease;
}

.banner-btn:hover::before {
    left: 100%;
}

.banner-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 37, 0, 0.4);
    color: var(--primary-gold);
}

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

/* ========================================
   通用区块样式
   ======================================== */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title h2 {
    font-family: var(--font-classic);
    font-size: 32px;
    font-weight: bold;
    color: var(--primary-red);
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.section-title p {
    font-size: 15px;
    color: #666;
    letter-spacing: 1px;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--primary-gold) 50%, transparent 100%);
    margin: 20px auto 0;
}

.section-title .ornament {
    display: inline-block;
    width: 12px;
    height: 12px;
    background: var(--primary-gold);
    transform: rotate(45deg);
    margin: 0 10px;
    vertical-align: middle;
}

/* ========================================
   服务特色卡片 - 新中式风格
   ======================================== */
.features {
    background: linear-gradient(180deg, var(--paper-bg) 0%, #F0E8D5 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #FFFFFF;
    border: 1px solid rgba(201, 169, 97, 0.3);
    padding: 40px 30px;
    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: linear-gradient(90deg, var(--primary-red), var(--primary-gold), var(--primary-red));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(201, 169, 97, 0.2);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-warm);
    border-color: var(--primary-gold);
}

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

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

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-red) 0%, #A0522D 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
}

.feature-card h3 {
    font-family: var(--font-classic);
    font-size: 20px;
    color: var(--primary-red);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
    font-size: 14px;
}

/* ========================================
   文章列表
   ======================================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background: #FFFFFF;
    border: 1px solid rgba(201, 169, 97, 0.2);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-gold));
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-warm);
    border-color: var(--primary-gold);
}

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

.article-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 0;
    filter: sepia(10%);
    transition: filter 0.3s ease;
}

.article-card:hover .article-image {
    filter: sepia(0%);
}

.article-content {
    padding: 25px;
}

.article-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(139, 37, 0, 0.1);
    color: var(--primary-red);
    font-size: 12px;
    border: 1px solid rgba(139, 37, 0, 0.2);
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.article-card h3 {
    font-family: var(--font-classic);
    font-size: 18px;
    color: var(--ink-black);
    margin-bottom: 10px;
    line-height: 1.5;
}

.article-card h3 a {
    color: inherit;
}

.article-card h3 a:hover {
    color: var(--primary-red);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #999;
    font-size: 13px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(201, 169, 97, 0.2);
}

.read-more {
    color: var(--primary-red);
    font-weight: 500;
    letter-spacing: 1px;
}

/* ========================================
   文章详情页
   ======================================== */
.article-detail {
    padding-top: 120px;
    min-height: 100vh;
    background: var(--paper-bg);
}

.article-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: linear-gradient(180deg, rgba(62, 39, 35, 0.05) 0%, transparent 100%);
    border-bottom: 1px solid rgba(201, 169, 97, 0.3);
}

.article-header h1 {
    font-family: var(--font-classic);
    font-size: 32px;
    color: var(--primary-red);
    margin-bottom: 20px;
    line-height: 1.4;
    letter-spacing: 2px;
}

.article-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: #999;
    font-size: 14px;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    font-size: 16px;
    line-height: 2;
    color: #444;
}

.article-body h2 {
    font-family: var(--font-classic);
    font-size: 22px;
    color: var(--primary-red);
    margin: 30px 0 15px;
    padding-left: 15px;
    border-left: 3px solid var(--primary-gold);
    letter-spacing: 1px;
}

.article-body h3 {
    font-family: var(--font-classic);
    font-size: 18px;
    color: var(--dark-brown);
    margin: 25px 0 15px;
}

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

.article-body img {
    margin: 20px 0;
    border: 1px solid rgba(201, 169, 97, 0.3);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.article-body blockquote {
    background: rgba(201, 169, 97, 0.1);
    border-left: 4px solid var(--primary-gold);
    padding: 20px 25px;
    margin: 20px 0;
    font-family: var(--font-classic);
    font-style: italic;
    color: #555;
}

/* ========================================
   关于我们页面
   ======================================== */
.about-section {
    padding-top: 120px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-family: var(--font-classic);
    font-size: 28px;
    color: var(--primary-red);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.about-text p {
    color: #555;
    margin-bottom: 15px;
    line-height: 2;
}

.about-image img {
    border: 3px solid var(--primary-gold);
    box-shadow: var(--shadow-warm);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
    padding: 40px;
    background: linear-gradient(135deg, var(--dark-brown) 0%, #4A342E 100%);
    border: 1px solid var(--primary-gold);
    position: relative;
}

.about-stats::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    pointer-events: none;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-classic);
    font-size: 42px;
    font-weight: bold;
    color: var(--primary-gold);
    letter-spacing: 2px;
}

.stat-label {
    color: var(--cream);
    font-size: 14px;
    margin-top: 10px;
    letter-spacing: 1px;
}

/* ========================================
   联系我们页面
   ======================================== */
.contact-section {
    padding-top: 120px;
}

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

.contact-info {
    background: #FFFFFF;
    padding: 40px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    position: relative;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-red), var(--primary-gold), var(--primary-red));
}

.contact-info h2 {
    font-family: var(--font-classic);
    font-size: 24px;
    color: var(--primary-red);
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--paper-bg);
    border: 1px solid rgba(201, 169, 97, 0.2);
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--primary-gold);
    transform: translateX(5px);
    box-shadow: var(--shadow-warm);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-red) 0%, #A0522D 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary-gold);
    flex-shrink: 0;
    border: 1px solid var(--primary-gold);
}

.contact-text h4 {
    color: var(--primary-red);
    font-size: 15px;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.contact-text p {
    color: #666;
    font-size: 14px;
}

.contact-form {
    background: #FFFFFF;
    padding: 40px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-gold), var(--primary-red), var(--primary-gold));
}

.contact-form h2 {
    font-family: var(--font-classic);
    font-size: 24px;
    color: var(--primary-red);
    margin-bottom: 30px;
    letter-spacing: 2px;
}

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

.form-group label {
    display: block;
    color: #555;
    margin-bottom: 8px;
    font-size: 14px;
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background: var(--paper-bg);
    border: 1px solid rgba(201, 169, 97, 0.3);
    color: var(--ink-black);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 10px rgba(201, 169, 97, 0.2);
}

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

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-red) 0%, #A0522D 100%);
    color: var(--cream);
    font-size: 16px;
    font-weight: bold;
    letter-spacing: 2px;
    border: 1px solid var(--primary-gold);
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-warm);
    color: var(--primary-gold);
}

/* ========================================
   栏目页面
   ======================================== */
.category-header {
    padding-top: 120px;
    padding-bottom: 40px;
    text-align: center;
    background: linear-gradient(180deg, var(--dark-brown) 0%, rgba(62, 39, 35, 0.95) 100%);
    border-bottom: 2px solid var(--primary-gold);
}

.category-header h1 {
    font-family: var(--font-classic);
    font-size: 32px;
    color: var(--primary-gold);
    margin-bottom: 15px;
    letter-spacing: 3px;
}

.category-header p {
    color: var(--cream);
    opacity: 0.8;
    letter-spacing: 1px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
    font-size: 14px;
    color: rgba(245, 240, 225, 0.6);
}

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

/* ========================================
   悬浮按钮 - 新中式风格
   ======================================== */
.float-buttons {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.float-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--primary-gold);
    position: relative;
}

.float-btn-phone {
    background: linear-gradient(135deg, var(--primary-red) 0%, #A0522D 100%);
    color: var(--primary-gold);
}

.float-btn-qq {
    background: linear-gradient(135deg, #1E88E5 0%, #1565C0 100%);
    color: #FFFFFF;
}

.float-btn-wechat {
    background: linear-gradient(135deg, #43A047 0%, #2E7D32 100%);
    color: #FFFFFF;
}

.float-btn-top {
    background: linear-gradient(135deg, var(--dark-brown) 0%, #4A342E 100%);
    color: var(--primary-gold);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.float-btn-top.show {
    opacity: 1;
    visibility: visible;
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(139, 37, 0, 0.3);
}

.float-btn .tooltip {
    position: absolute;
    right: 70px;
    background: var(--dark-brown);
    color: var(--primary-gold);
    padding: 8px 15px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 1px solid var(--primary-gold);
    letter-spacing: 1px;
}

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

/* 弹窗 */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 44, 44, 0.85);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

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

.popup-content {
    background: var(--paper-bg);
    border: 2px solid var(--primary-gold);
    padding: 40px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    animation: scaleIn 0.3s ease;
    position: relative;
}

.popup-content::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    pointer-events: none;
}

@keyframes scaleIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.popup-content h3 {
    font-family: var(--font-classic);
    color: var(--primary-red);
    font-size: 22px;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.popup-content p {
    color: #555;
    margin-bottom: 15px;
    font-size: 16px;
}

.popup-content .copy-value {
    background: #FFFFFF;
    padding: 15px 20px;
    font-size: 20px;
    color: var(--primary-red);
    margin: 20px 0;
    border: 1px solid var(--primary-gold);
    font-family: var(--font-classic);
    letter-spacing: 2px;
}

.popup-btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary-red) 0%, #A0522D 100%);
    color: var(--cream);
    font-weight: bold;
    font-size: 15px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--primary-gold);
    margin: 5px;
}

.popup-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-warm);
    color: var(--primary-gold);
}

.popup-btn.secondary {
    background: transparent;
    border: 1px solid var(--primary-red);
    color: var(--primary-red);
}

/* ========================================
   页脚 - 新中式风格
   ======================================== */
.footer {
    background: linear-gradient(180deg, var(--dark-brown) 0%, #1A1210 100%);
    border-top: 2px solid var(--primary-gold);
    padding: 60px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--primary-red);
}

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

.footer-col h3 {
    font-family: var(--font-classic);
    color: var(--primary-gold);
    font-size: 18px;
    margin-bottom: 20px;
    letter-spacing: 2px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(201, 169, 97, 0.3);
}

.footer-col p {
    color: rgba(245, 240, 225, 0.7);
    line-height: 1.8;
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-col ul {
    list-style: none;
}

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

.footer-col ul li a {
    color: rgba(245, 240, 225, 0.7);
    transition: var(--transition);
    font-size: 14px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(201, 169, 97, 0.2);
    color: rgba(245, 240, 225, 0.5);
    font-size: 13px;
    letter-spacing: 1px;
}

.footer-bottom a {
    color: var(--primary-gold);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-brown);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 2px solid var(--primary-gold);
    }
    
    .nav-menu.show {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .banner h1 {
        font-size: 28px;
        letter-spacing: 2px;
    }
    
    .banner .subtitle {
        font-size: 16px;
    }
    
    .banner p {
        font-size: 14px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        padding: 20px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .float-buttons {
        right: 15px;
        bottom: 80px;
    }
    
    .float-btn {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .banner h1 {
        font-size: 24px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .banner-content {
        padding: 20px;
    }
}

/* ========================================
   动画效果
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--dark-brown);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease;
}

.loader.hide {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(201, 169, 97, 0.3);
    border-top-color: var(--primary-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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