/* ===== 新中式国风风格 - 成都高端品茶网 ===== */

/* === 全局变量 === */
:root {
    --primary-gold: #C9A96E;
    --primary-gold-light: #E8D5A3;
    --primary-gold-dark: #A07D3F;
    --bg-dark: #1A1A1A;
    --bg-darker: #0D0D0D;
    --bg-card: #2A2A2A;
    --bg-card-hover: #333333;
    --text-primary: #F5F0E8;
    --text-secondary: #B8B0A0;
    --text-muted: #8A8070;
    --border-color: #3A3530;
    --border-gold: #C9A96E;
    --accent-red: #8B3A3A;
    --accent-red-light: #A04040;
    --shadow-gold: rgba(201, 169, 110, 0.15);
    --shadow-dark: rgba(0, 0, 0, 0.4);
    --gradient-gold: linear-gradient(135deg, #C9A96E 0%, #E8D5A3 50%, #C9A96E 100%);
    --gradient-dark: linear-gradient(180deg, #1A1A1A 0%, #0D0D0D 100%);
}

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

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

body {
    font-family: "STKaiti", "KaiTi", "楷体", "SimSun", "宋体", serif;
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: hidden;
}

a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

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

/* === 装饰性背景纹理 === */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(201, 169, 110, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 169, 110, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(201, 169, 110, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* === 容器 === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* === 顶部导航栏 === */
.header {
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

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

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

.nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav a {
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 15px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav a:hover::after,
.nav a.active::after {
    width: 60%;
}

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

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary-gold);
    transition: all 0.3s ease;
}

/* === 英雄区域（首页Banner） === */
.hero {
    background: linear-gradient(135deg, #1A1A1A 0%, #2A2020 50%, #1A1A1A 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at center, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(201, 169, 110, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.hero h1 {
    font-size: 48px;
    font-weight: normal;
    color: var(--primary-gold);
    margin-bottom: 20px;
    letter-spacing: 8px;
    text-shadow: 0 0 40px rgba(201, 169, 110, 0.3);
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
}

.hero-btn {
    display: inline-block;
    padding: 15px 50px;
    background: transparent;
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    font-size: 16px;
    letter-spacing: 3px;
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
    cursor: pointer;
}

.hero-btn:hover {
    background: var(--primary-gold);
    color: var(--bg-dark);
    box-shadow: 0 0 30px var(--shadow-gold);
}

/* === 装饰分隔线 === */
.divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 60px 0;
}

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

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

/* === 区块标题 === */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: normal;
    color: var(--primary-gold);
    letter-spacing: 5px;
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 14px;
    letter-spacing: 2px;
}

.section-title .title-line {
    width: 80px;
    height: 1px;
    background: var(--gradient-gold);
    margin: 15px auto;
}

/* === 特色展示区 === */
.features {
    padding: 80px 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 50px 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-gold);
    box-shadow: 0 10px 40px var(--shadow-dark);
}

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

.feature-icon {
    font-size: 48px;
    margin-bottom: 25px;
    display: block;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: normal;
    color: var(--primary-gold);
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

/* === 文章列表 === */
.articles {
    padding: 80px 0;
}

.article-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.4s ease;
}

.article-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-gold);
    box-shadow: 0 8px 30px var(--shadow-dark);
}

.article-card-image {
    height: 200px;
    background: linear-gradient(135deg, #2A2520 0%, #1A1510 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    position: relative;
    overflow: hidden;
}

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

.article-card-content {
    padding: 25px;
}

.article-card-content h3 {
    font-size: 18px;
    font-weight: normal;
    color: var(--primary-gold);
    margin-bottom: 12px;
    line-height: 1.5;
    letter-spacing: 1px;
}

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

.article-card-content p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 12px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.read-more {
    color: var(--primary-gold);
    font-size: 13px;
    letter-spacing: 1px;
}

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

/* === 文章内容页 === */
.article-page {
    padding: 60px 0 100px;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 50px;
}

.article-content h1 {
    font-size: 28px;
    font-weight: normal;
    color: var(--primary-gold);
    margin-bottom: 20px;
    letter-spacing: 2px;
    line-height: 1.5;
    text-align: center;
}

.article-content .article-info {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-content .article-body {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 2;
}

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

.article-content .article-body h2 {
    font-size: 22px;
    color: var(--primary-gold);
    margin: 40px 0 20px;
    font-weight: normal;
    letter-spacing: 2px;
    padding-left: 15px;
    border-left: 3px solid var(--primary-gold);
}

.article-content .article-body h3 {
    font-size: 18px;
    color: var(--primary-gold-light);
    margin: 30px 0 15px;
    font-weight: normal;
}

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

.article-content .article-body li {
    margin-bottom: 10px;
}

.article-content .article-body blockquote {
    margin: 30px 0;
    padding: 20px 30px;
    background: rgba(201, 169, 110, 0.05);
    border-left: 3px solid var(--primary-gold);
    color: var(--text-secondary);
    font-style: italic;
}

.article-content .article-body img {
    max-width: 100%;
    margin: 20px 0;
    border-radius: 4px;
}

/* === 关于我们页面 === */
.about-section {
    padding: 80px 0;
}

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

.about-image {
    height: 400px;
    background: linear-gradient(135deg, #2A2520 0%, #1A1510 100%);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
    position: relative;
}

.about-text h2 {
    font-size: 28px;
    font-weight: normal;
    color: var(--primary-gold);
    margin-bottom: 25px;
    letter-spacing: 3px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 2;
    font-size: 15px;
}

/* === 联系我们页面 === */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.contact-card {
    text-align: center;
    padding: 50px 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
}

.contact-card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-5px);
}

.contact-card .contact-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.contact-card h3 {
    font-size: 18px;
    color: var(--primary-gold);
    margin-bottom: 15px;
    font-weight: normal;
    letter-spacing: 2px;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 20px;
}

.contact-btn {
    display: inline-block;
    padding: 10px 30px;
    border: 1px solid var(--primary-gold);
    color: var(--primary-gold);
    font-size: 14px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
}

.contact-btn:hover {
    background: var(--primary-gold);
    color: var(--bg-dark);
}

.contact-btn:active {
    transform: scale(0.95);
}

/* === 页脚 === */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

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

.footer-brand h3 {
    font-size: 20px;
    color: var(--primary-gold);
    margin-bottom: 15px;
    font-weight: normal;
    letter-spacing: 2px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 16px;
    color: var(--primary-gold);
    margin-bottom: 20px;
    font-weight: normal;
    letter-spacing: 2px;
}

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

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

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 13px;
}

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

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    box-shadow: 0 4px 15px var(--shadow-dark);
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px var(--shadow-dark);
}

.float-btn:active {
    transform: scale(0.95);
}

.float-btn .btn-icon {
    font-size: 24px;
    color: white;
}

.float-btn .btn-tooltip {
    position: absolute;
    right: 65px;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    letter-spacing: 1px;
}

.float-btn:hover .btn-tooltip {
    opacity: 1;
    right: 70px;
}

.float-btn-phone {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    animation: phoneRing 2s ease-in-out infinite;
}

.float-btn-qq {
    background: linear-gradient(135deg, #4A90D9, #2C6FBA);
}

.float-btn-wechat {
    background: linear-gradient(135deg, #07C160, #06AD53);
}

.float-btn-qq-add {
    background: linear-gradient(135deg, #FF9800, #E68900);
}

@keyframes phoneRing {
    0%, 100% { transform: rotate(0deg); }
    10% { transform: rotate(-10deg); }
    20% { transform: rotate(10deg); }
    30% { transform: rotate(-10deg); }
    40% { transform: rotate(10deg); }
    50% { transform: rotate(0deg); }
}

/* 脉冲动画 */
.float-btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid currentColor;
    animation: pulse 2s ease-out infinite;
    opacity: 0;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* === Toast提示 === */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--bg-card);
    color: var(--primary-gold);
    padding: 15px 30px;
    border-radius: 8px;
    border: 1px solid var(--primary-gold);
    font-size: 14px;
    z-index: 99999;
    transition: transform 0.4s ease;
    box-shadow: 0 10px 30px var(--shadow-dark);
    letter-spacing: 1px;
}

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

/* === 回到顶部按钮 === */
.back-to-top {
    position: fixed;
    right: 20px;
    bottom: 30px;
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--primary-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 999;
    font-size: 20px;
}

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

.back-to-top:hover {
    border-color: var(--primary-gold);
    transform: translateY(-3px);
}

/* === 栏目页头部 === */
.page-header {
    background: linear-gradient(135deg, #1A1A1A 0%, #2A2020 50%, #1A1A1A 100%);
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 36px;
    font-weight: normal;
    color: var(--primary-gold);
    letter-spacing: 5px;
    margin-bottom: 10px;
}

.page-header p {
    color: var(--text-muted);
    font-size: 14px;
    letter-spacing: 2px;
}

.breadcrumb {
    margin-top: 15px;
    color: var(--text-muted);
    font-size: 13px;
}

.breadcrumb a {
    color: var(--text-muted);
}

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

/* === 侧边栏 === */
.content-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    padding: 60px 0;
}

.sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    height: fit-content;
}

.sidebar h3 {
    font-size: 18px;
    color: var(--primary-gold);
    margin-bottom: 20px;
    font-weight: normal;
    letter-spacing: 2px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar ul {
    list-style: none;
}

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

.sidebar a {
    color: var(--text-secondary);
    font-size: 14px;
    display: block;
    padding: 8px 15px;
    border-left: 2px solid transparent;
    transition: all 0.3s ease;
}

.sidebar a:hover,
.sidebar a.active {
    color: var(--primary-gold);
    border-left-color: var(--primary-gold);
    background: rgba(201, 169, 110, 0.05);
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 28px;
        letter-spacing: 4px;
    }
    
    .hero p {
        font-size: 15px;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 20px;
        border-top: 1px solid var(--border-color);
    }
    
    .nav.active {
        display: flex;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .article-list {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-buttons {
        right: 10px;
        bottom: 80px;
    }
    
    .float-btn {
        width: 48px;
        height: 48px;
    }
    
    .float-btn .btn-icon {
        font-size: 20px;
    }
    
    .article-content {
        padding: 30px 20px;
    }
    
    .section-title h2 {
        font-size: 24px;
    }
}

/* === 加载动画 === */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

/* === 国花纹饰 === */
.chinese-pattern {
    position: relative;
}

.chinese-pattern::before {
    content: '◆';
    position: absolute;
    left: 50%;
    top: -15px;
    transform: translateX(-50%);
    color: var(--primary-gold);
    font-size: 12px;
}

/* === 滚动条美化 === */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-gold-dark);
}

/* === 文章分页 === */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination a {
    padding: 10px 18px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
    transition: all 0.3s ease;
}

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

/* === 搜索框 === */
.search-box {
    display: flex;
    margin-bottom: 30px;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    font-family: inherit;
}

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

.search-box button {
    padding: 12px 25px;
    background: var(--primary-gold);
    border: none;
    color: var(--bg-dark);
    cursor: pointer;
    font-size: 14px;
    font-family: inherit;
    letter-spacing: 1px;
}

/* === 标签云 === */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.tag-cloud a {
    padding: 5px 15px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 12px;
    transition: all 0.3s ease;
}

.tag-cloud a:hover {
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}