/* ========================================
   孙力博士官网 - 中国风水墨风格CSS
   ======================================== */

/* CSS变量定义 */
:root {
    /* 配色方案 */
    --ink-black: #1a1a1a;
    --ink-gray: #2d2d2d;
    --ink-light: #4a4a4a;
    --paper-white: #f8f6f1;
    --paper-cream: #f5f0e6;
    --accent-red: #c41e3a;
    --accent-gold: #d4a84b;
    --accent-jade: #2e8b57;
    
    /* 字体 */
    --font-serif: "Noto Serif SC", "SimSun", "STSong", serif;
    --font-sans: "Noto Sans SC", "Microsoft YaHei", sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* 动画 */
    --transition-fast: 0.3s ease;
    --transition-normal: 0.5s ease;
    --transition-slow: 0.8s ease;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* 水墨纹理背景 */
.ink-texture {
    position: relative;
    background: linear-gradient(135deg, var(--paper-white) 0%, var(--paper-cream) 50%, var(--paper-white) 100%);
}

.ink-texture::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(ellipse at 20% 30%, rgba(0,0,0,0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(0,0,0,0.02) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(0,0,0,0.01) 0%, transparent 70%);
    pointer-events: none;
}

/* 书法字体效果 */
.calligraphy {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: 0.1em;
}

/* 朱红印章效果 */
.seal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--accent-red);
    color: #fff;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    border-radius: 4px;
    box-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(248, 246, 241, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.1);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--ink-black);
}

.nav-logo .seal {
    width: 45px;
    height: 45px;
    font-size: 1rem;
}

.nav-logo span {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--ink-gray);
    font-size: 0.95rem;
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: var(--transition-normal);
}

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-red);
}

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

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--ink-black);
    transition: var(--transition-fast);
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* 水墨动画背景 */
.ink-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.ink-cloud {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
    animation: floatCloud 20s ease-in-out infinite;
}

.ink-cloud:nth-child(1) {
    width: 400px;
    height: 400px;
    background: radial-gradient(ellipse, #1a1a1a 0%, transparent 70%);
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.ink-cloud:nth-child(2) {
    width: 300px;
    height: 300px;
    background: radial-gradient(ellipse, #2d2d2d 0%, transparent 70%);
    top: 50%;
    right: -5%;
    animation-delay: -5s;
}

.ink-cloud:nth-child(3) {
    width: 250px;
    height: 250px;
    background: radial-gradient(ellipse, #1a1a1a 0%, transparent 70%);
    bottom: 10%;
    left: 20%;
    animation-delay: -10s;
}

.ink-cloud:nth-child(4) {
    width: 350px;
    height: 350px;
    background: radial-gradient(ellipse, #2d2d2d 0%, transparent 70%);
    top: 30%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes floatCloud {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -20px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 30px) scale(0.95);
    }
    75% {
        transform: translate(20px, 20px) scale(1.02);
    }
}

/* 太极图案 */
.taiji-symbol {
    position: absolute;
    width: 200px;
    height: 200px;
    opacity: 0.05;
    z-index: 0;
}

.taiji-symbol::before {
    content: '☯';
    font-size: 200px;
    color: var(--ink-black);
}

.taiji-1 { top: 10%; left: 5%; animation: rotate 30s linear infinite; }
.taiji-2 { bottom: 15%; right: 10%; animation: rotate 25s linear infinite reverse; }

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Hero 内容 */
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-xl);
}

.hero-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-red), #8b0000);
    color: #fff;
    font-size: 0.9rem;
    border-radius: 30px;
    margin-bottom: var(--spacing-lg);
    animation: fadeInDown 1s ease;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--ink-light);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--ink-gray);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s both;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 4px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-red), #8b0000);
    color: #fff;
    box-shadow: 0 4px 15px rgba(196, 30, 58, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 30, 58, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--ink-black);
    border: 2px solid var(--ink-black);
}

.btn-secondary:hover {
    background: var(--ink-black);
    color: #fff;
}

.btn-gold {
    background: linear-gradient(135deg, var(--accent-gold), #b8860b);
    color: #fff;
    box-shadow: 0 4px 15px rgba(212, 168, 75, 0.3);
}

/* 卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-red), #8b0000);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--ink-black);
}

.card-text {
    color: var(--ink-gray);
    font-size: 0.95rem;
}

/* 章节通用样式 */
.section {
    padding: var(--spacing-xxl) var(--spacing-lg);
    position: relative;
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--ink-black);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-red);
}

.section-subtitle {
    color: var(--ink-light);
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
}

/* 装饰线 */
.decorative-line {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.decorative-line::before,
.decorative-line::after {
    content: '';
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ink-light), transparent);
}

.decorative-line span {
    color: var(--accent-red);
    font-size: 1.2rem;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* 师资介绍卡片 */
.mentor-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
}

.mentor-photo {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--paper-cream);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    margin-bottom: var(--spacing-lg);
}

.mentor-name {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--ink-black);
    margin-bottom: var(--spacing-xs);
}

.mentor-title {
    color: var(--accent-red);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.mentor-description {
    color: var(--ink-gray);
    font-size: 0.95rem;
    max-width: 600px;
}

/* 资质列表 */
.credentials-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.credential-item {
    background: rgba(196, 30, 58, 0.08);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--accent-red);
    border: 1px solid rgba(196, 30, 58, 0.2);
}

/* 照片墙 */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 16/10;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}

.gallery-item:hover::after {
    opacity: 1;
}

/* 课程卡片 */
.course-card {
    padding: var(--spacing-lg);
    border-left: 4px solid var(--accent-red);
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(245,240,230,0.95));
}

.course-category {
    display: inline-block;
    background: var(--accent-red);
    color: #fff;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8rem;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.course-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--ink-black);
    margin-bottom: var(--spacing-sm);
}

.course-desc {
    color: var(--ink-gray);
    font-size: 0.95rem;
}

.course-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--accent-gold);
    color: #fff;
    padding: 3px 10px;
    font-size: 0.75rem;
    border-radius: 3px;
    margin-top: var(--spacing-sm);
}

/* 客户见证 */
.client-logo {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
    opacity: 0.7;
}

.client-item {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--ink-gray);
    padding: var(--spacing-sm) var(--spacing-md);
}

.testimonial-card {
    padding: var(--spacing-lg);
    background: rgba(255,255,255,0.95);
    border-radius: 8px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    font-family: var(--font-serif);
    font-size: 4rem;
    color: var(--accent-red);
    opacity: 0.2;
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    color: var(--ink-gray);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.testimonial-author strong {
    color: var(--ink-black);
}

.testimonial-author span {
    color: var(--ink-light);
    font-size: 0.9rem;
}

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-red), var(--ink-light));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: rgba(255,255,255,0.9);
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -32px;
    top: 20px;
    width: 14px;
    height: 14px;
    background: var(--accent-red);
    border-radius: 50%;
    border: 3px solid var(--paper-white);
}

.timeline-year {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-red);
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: 1.1rem;
    color: var(--ink-black);
    margin-bottom: var(--spacing-xs);
}

.timeline-desc {
    color: var(--ink-gray);
    font-size: 0.95rem;
}

/* 联系表单 */
.contact-form {
    background: rgba(255,255,255,0.95);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--ink-black);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-red);
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* 页脚 */
.footer {
    background: var(--ink-black);
    color: #fff;
    padding: var(--spacing-xxl) var(--spacing-lg);
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.footer-contact {
    margin: var(--spacing-lg) 0;
}

.footer-contact p {
    margin: var(--spacing-xs) 0;
    color: rgba(255,255,255,0.8);
}

.footer-contact a {
    color: var(--accent-gold);
    text-decoration: none;
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-red);
}

.footer-copyright {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
}

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

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

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

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease forwards;
}

.animate-fadeIn {
    animation: fadeIn 1s ease forwards;
}

/* 滚动动画 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--paper-white);
        flex-direction: column;
        padding: 80px var(--spacing-lg);
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        transition: var(--transition-normal);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-content {
        padding: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section {
        padding: var(--spacing-xl) var(--spacing-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .taiji-symbol {
        display: none;
    }
}

/* 管理后台样式 */
.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.admin-header {
    background: var(--ink-black);
    color: #fff;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h1 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
}

.admin-nav {
    display: flex;
    gap: var(--spacing-md);
}

.admin-nav a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.admin-panel {
    background: #fff;
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.admin-panel h2 {
    font-family: var(--font-serif);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--paper-cream);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.data-table th {
    background: var(--paper-cream);
    font-weight: 600;
}

.data-table tr:hover {
    background: rgba(196, 30, 58, 0.05);
}

.data-table .actions {
    display: flex;
    gap: var(--spacing-xs);
}

.data-table .btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-confirmed {
    background: #d4edda;
    color: #155724;
}

/* 登录页面 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--paper-white), var(--paper-cream));
}

.login-box {
    background: #fff;
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    font-family: var(--font-serif);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* 加载状态 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--paper-cream);
    border-top-color: var(--accent-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--ink-light);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Toast 提示 */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--ink-black);
    color: #fff;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 9999;
    animation: slideIn 0.3s ease;
}

.toast.success {
    background: var(--accent-jade);
}

.toast.error {
    background: var(--accent-red);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 遮罩层 */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal {
    background: #fff;
    padding: var(--spacing-xl);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--ink-light);
}

/* 专业领域展示 */
.expertise-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(255,255,255,0.9);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    align-items: flex-start;
}

.expertise-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-red), #8b0000);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    flex-shrink: 0;
}

.expertise-content h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--ink-black);
}

.expertise-content p {
    color: var(--ink-gray);
    font-size: 0.95rem;
}

/* 视频展示 */
.video-section {
    background: var(--ink-black);
    color: #fff;
    padding: var(--spacing-xxl) var(--spacing-lg);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    margin-top: var(--spacing-lg);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* 快捷导航卡片 */
.quick-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.quick-nav-card {
    background: rgba(255,255,255,0.9);
    padding: var(--spacing-lg);
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    color: var(--ink-black);
    transition: var(--transition-normal);
    border: 1px solid rgba(0,0,0,0.05);
}

.quick-nav-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: var(--accent-red);
}

.quick-nav-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.quick-nav-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
}

/* 预约日历 */
.booking-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 5px;
    margin-top: var(--spacing-md);
}

.booking-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.booking-day:hover:not(.disabled) {
    background: rgba(196, 30, 58, 0.1);
}

.booking-day.selected {
    background: var(--accent-red);
    color: #fff;
}

.booking-day.disabled {
    color: #ccc;
    cursor: not-allowed;
}

.booking-day.header {
    font-weight: 600;
    color: var(--ink-light);
}

/* 步骤指示器 */
.steps-indicator {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

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

.step-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #e0e0e0;
    color: var(--ink-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.step.active .step-number {
    background: var(--accent-red);
    color: #fff;
}

.step.completed .step-number {
    background: var(--accent-jade);
    color: #fff;
}

.step-label {
    margin-left: var(--spacing-xs);
    color: var(--ink-light);
}

.step.active .step-label {
    color: var(--ink-black);
    font-weight: 500;
}

.step-line {
    width: 60px;
    height: 2px;
    background: #e0e0e0;
    margin: 0 var(--spacing-sm);
}

.step.completed + .step .step-line,
.step.completed .step-line {
    background: var(--accent-jade);
}

/* ========================================
   儒释道元素增强样式
   ======================================== */

/* 太极图案 */
.taiji {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(to right, #1a1a1a 50%, #f8f6f1 50%);
    animation: rotateTaiji 20s linear infinite;
}

.taiji::before,
.taiji::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.taiji::before {
    background: #1a1a1a;
    top: 0;
    left: 25px;
}

.taiji::after {
    background: #f8f6f1;
    bottom: 0;
    left: 25px;
}

.taiji-small {
    width: 60px;
    height: 60px;
}

.taiji-small::before,
.taiji-small::after {
    width: 30px;
    height: 30px;
}

.taiji-small::before {
    left: 15px;
}

.taiji-small::after {
    left: 15px;
}

@keyframes rotateTaiji {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 祥云纹理 */
.auspicious-cloud {
    position: relative;
    overflow: hidden;
}

.auspicious-cloud::before {
    content: '☁';
    position: absolute;
    font-size: 80px;
    color: rgba(212, 168, 75, 0.1);
    top: 20px;
    right: -20px;
    animation: floatCloud 15s ease-in-out infinite;
}

.auspicious-cloud::after {
    content: '☁';
    position: absolute;
    font-size: 60px;
    color: rgba(196, 30, 58, 0.08);
    bottom: 30px;
    left: -10px;
    animation: floatCloud 18s ease-in-out infinite reverse;
}

/* 八卦装饰边框 */
.bagua-border {
    position: relative;
    border: 2px solid var(--ink-light);
}

.bagua-border::before {
    content: '☰ ☱ ☲ ☳ ☴ ☵ ☶ ☷';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--paper-white);
    padding: 0 15px;
    font-size: 14px;
    color: var(--accent-gold);
    letter-spacing: 8px;
    white-space: nowrap;
}

/* 莲花纹样 */
.lotus-decoration {
    position: relative;
}

.lotus-decoration::after {
    content: '☸';
    position: absolute;
    font-size: 24px;
    color: var(--accent-jade);
    opacity: 0.6;
}

/* 道教符咒边框 */
.taoist-border {
    border: 3px double var(--accent-red);
    position: relative;
}

.taoist-border::before,
.taoist-border::after {
    content: '☯';
    position: absolute;
    font-size: 20px;
    color: var(--accent-red);
}

.taoist-border::before {
    top: -12px;
    left: 20px;
    background: var(--paper-white);
    padding: 0 8px;
}

.taoist-border::after {
    bottom: -12px;
    right: 20px;
    background: var(--paper-white);
    padding: 0 8px;
}

/* 水墨飞溅效果 */
.ink-splash {
    position: relative;
}

.ink-splash::before {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(ellipse at center, rgba(26, 26, 26, 0.05) 0%, transparent 70%);
    filter: blur(20px);
    transform: rotate(-15deg);
}

/* 卷轴效果 */
.scroll-effect {
    background: linear-gradient(to right, 
        rgba(0,0,0,0.05) 0%, 
        transparent 3%, 
        transparent 97%, 
        rgba(0,0,0,0.05) 100%);
    border-left: 4px solid var(--accent-gold);
    border-right: 4px solid var(--accent-gold);
    padding: 20px 30px;
    position: relative;
}

.scroll-effect::before,
.scroll-effect::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(to right, var(--accent-gold), #8b6914, var(--accent-gold));
}

.scroll-effect::before { top: 0; }
.scroll-effect::after { bottom: 0; }

/* 山水画意境背景 */
.landscape-bg {
    background: 
        linear-gradient(to bottom, transparent 60%, rgba(26, 26, 26, 0.03) 100%),
        radial-gradient(ellipse at 30% 80%, rgba(26, 26, 26, 0.02) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 90%, rgba(26, 26, 26, 0.015) 0%, transparent 40%);
}

/* 儒家经典装饰 */
.confucius-quote {
    font-family: var(--font-serif);
    border-left: 4px solid var(--accent-red);
    padding-left: 20px;
    font-style: italic;
    color: var(--ink-gray);
    position: relative;
}

.confucius-quote::before {
    content: '"';
    font-size: 60px;
    color: var(--accent-red);
    opacity: 0.2;
    position: absolute;
    top: -20px;
    left: 10px;
    font-family: Georgia, serif;
}

/* 佛教装饰元素 */
.buddha-decoration {
    position: relative;
}

.buddha-decoration::before {
    content: '☸';
    font-size: 120px;
    position: absolute;
    top: -30px;
    right: -30px;
    opacity: 0.05;
    color: var(--accent-gold);
}

/* 道家元素装饰 */
.tao-decoration {
    position: relative;
}

.tao-decoration::before {
    content: '道';
    font-family: var(--font-serif);
    font-size: 150px;
    position: absolute;
    top: -20px;
    left: -20px;
    opacity: 0.03;
    color: var(--ink-black);
}

/* 中国风分割线 */
.chinese-divider {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 30px 0;
}

.chinese-divider::before,
.chinese-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--ink-light), transparent);
}

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

/* 古风书签效果 */
.bookmark {
    position: relative;
    padding-left: 30px;
}

.bookmark::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(to bottom, var(--accent-red), var(--accent-gold));
    border-radius: 3px;
}

/* 印章装饰增强 */
.seal-decoration {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    border: 3px solid var(--accent-red);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-red);
    transform: rotate(-8deg);
    opacity: 0.8;
}

.seal-decoration::before {
    content: '';
    position: absolute;
    inset: 5px;
    border: 1px solid var(--accent-red);
    border-radius: 4px;
}

/* ========================================
   客户Logo卡片样式 - 统一整齐
   ======================================== */

.client-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 2rem 0;
    max-width: 900px;
    margin: 0 auto;
}

.logo-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    width: 140px;
    height: 100px;
    padding: 12px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.logo-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.logo-card .brand-logo {
    width: 60px;
    height: 40px;
    object-fit: contain;
    object-position: center;
    display: block;
}

.logo-card span {
    font-size: 13px;
    font-weight: 500;
    color: #333;
    letter-spacing: 0.02em;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .client-logos {
        gap: 12px;
    }
    
    .logo-card {
        width: 120px;
        height: 85px;
        padding: 10px;
    }
    
    .logo-card .brand-logo {
        width: 50px;
        height: 32px;
    }
    
    .logo-card span {
        font-size: 12px;
    }
}

/* ========================================
   关于我页面照片样式 - 更小更清晰
   ======================================== */

.about-gallery {
    max-width: 1000px;
    margin: 0 auto;
}

.about-gallery .gallery-item img {
    width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: cover;
    object-position: center;
    border-radius: 8px;
    transition: transform 0.3s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.about-gallery .gallery-item:hover img {
    transform: scale(1.03);
}

@media (max-width: 768px) {
    .about-gallery .gallery-item img {
        max-height: 150px;
    }
}

/* ========================================
   照片尺寸调整
   ======================================== */

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.gallery-item img {
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .photo-gallery {
        grid-template-columns: 1fr;
    }
    
    .gallery-item img {
        max-height: 220px;
    }
}

/* 太极方向修正：红白配色水平+垂直翻转，金黑配色保持不动 */
.decorative-line span:not([style*="accent-gold"]) {
    display: inline-block !important;
    transform: scale(-1, -1) !important;
}
/* 裸露的红白配色☯翻转 */
.taiji-flip {
    display: inline-block !important;
    transform: scale(-1, -1) !important;
}