/* ===== 通用基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

html {
    font-size: 16px;
}

body {
    line-height: 1.6;
    color: #000000;
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    position: relative;
    transition: all 0.3s ease;
}

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

/* ===== 导航栏样式 ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    padding: 5px 0;
}

.nav-menu a:hover {
    opacity: 0.7;
}

.nav-menu a.active {
    font-weight: 500;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #000;
    transition: width 0.3s ease;
}

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

.nav-auth {
    display: flex;
    align-items: center;
    gap: 15px;
}

.login-btn, .signup-btn {
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid #000;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent;
}

.signup-btn {
    background: #000;
    color: #fff;
}

.login-btn:hover, .signup-btn:hover {
    opacity: 0.8;
}

.hamburger {
    display: none;
    cursor: pointer;
}

/* ===== 面包屑导航 ===== */
.breadcrumb {
    padding: 100px 0 30px;
    background: #fff;
}

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

.breadcrumb a {
    color: #666;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.breadcrumb a:hover {
    color: #000;
}

.breadcrumb span {
    color: #000;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== 页脚样式 ===== */
.footer {
    background: #000;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 14px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column a {
    color: #ccc;
    transition: all 0.3s ease;
    font-size: 13px;
}

.footer-column a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    font-size: 12px;
    color: #999;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .container {
        padding: 40px 20px;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 30px 15px;
    }
    
    .layout {
        gap: 50px;
    }
    
    .items-list {
        gap: 10px;
    }
    
    .item {
        padding: 6px 0;
        font-size: 15px;
    }
    
    .contact-icon {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
}
    
/* ===== 开发中页面样式 ===== */
.development-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 2rem;
    background: #000;
    color: #fff;
    background: #000;
        color: #fff;
    }

.development-container h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.development-container p {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: #ccc;
}

.development-container a {
    color: #fff;
    text-decoration: none;
    border: 1px solid #fff;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.development-container a:hover {
    background: #fff;
    color: #000;
}

/* 基础响应式设置 */
* {
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 通用媒体查询 */
@media (max-width: 1200px) {
    .container {
        max-width: 992px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 768px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 576px;
        padding: 0 15px;
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 10px;
    }
}

/* 确保图片自适应 */
img {
    max-width: 100%;
    height: auto;
}

.qr-image {
    max-width: 200px;
    height: auto;
}

@media (max-width: 480px) {
    .qr-image {
        max-width: 150px;
    }
}

/* 基础响应式设置 */
@media (max-width: 768px) {
    body {
        font-size: 14px;
        padding: 0 10px;
    }
    
    .container, .home-container, .home-layout {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto;
        padding: 10px;
    }
    
    /* 强制所有元素不超出屏幕 */
    * {
        box-sizing: border-box;
    }
}

/* 亮色主题（默认） */
.light-theme {
    background-color: #ffffff;
    color: #000000;
}

.light-theme .sanskrit {
    color: #000000;
}

.light-theme .transliteration {
    color: #666666;
}

.light-theme .sanskrit-item,
.light-theme .content-item,
.light-theme .vowel-item,
.light-theme .support-item,
.light-theme .consonant-item,
.light-theme .compound-item,
.light-theme .example-item,
.light-theme .weight-item,
.light-theme .sandhi-item {
    border-color: #e5e5e5;
    background: white;
}

/* 暗色主题 */
.dark-theme {
    background-color: #1a1a1a;
    color: #ffffff;
}

.dark-theme .sanskrit {
    color: #ffffff;
}

.dark-theme .transliteration {
    color: #cccccc;
}

.dark-theme .sanskrit-item,
.dark-theme .content-item,
.dark-theme .vowel-item,
.dark-theme .support-item,
.dark-theme .consonant-item,
.dark-theme .compound-item,
.dark-theme .example-item,
.dark-theme .weight-item,
.dark-theme .sandhi-item {
    border-color: #444444;
    background: #2a2a2a;
    color: #ffffff;
}

.dark-theme .nav-menu.left {
    background: #2a2a2a;
    border-color: #444444;
}

.dark-theme .nav-item {
    color: #cccccc;
}

.dark-theme .nav-item:hover,
.dark-theme .nav-item.active {
    background-color: #3a3a3a;
    color: #ffffff;
}

.dark-theme .footer {
    background: #000000;
    color: #ffffff;
}

/* ===== 暗色主题样式 ===== */
.dark-theme {
    background-color: #1a1a1a;
    color: #ffffff;
}

/* 导航栏暗色主题 */
.dark-theme .navbar {
    background-color: #1a1a1a;
}

.dark-theme .nav-menu {
    background: #2a2a2a;
}

.dark-theme .nav-menu a {
    color: #ffffff;
}

.dark-theme .nav-menu a:hover {
    color: #cccccc;
}

.dark-theme .nav-menu a.active {
    color: #ffffff;
    border-color: #ffffff;
}

.dark-theme .hamburger {
    background: #2a2a2a;
    color: #ffffff;
}

/* ===== 基础样式 - 使用CSS变量 ===== */
:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --border-color: #e5e5e5;
    --card-bg: #ffffff;
    --muted-text: #666666;
    --hover-color: #000000;
}

.dark-theme {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --border-color: #444444;
    --card-bg: #2a2a2a;
    --muted-text: #cccccc;
    --hover-color: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

html {
    font-size: 14px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ===== 文章布局 ===== */
.article-section {
    padding: 100px 0 60px;
    min-height: 100vh;
    background-color: var(--bg-color);
}

/* 文章头部 */
.article-header {
    text-align: center;
    margin-bottom: 60px;
}

.article-header h1 {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 4px;
    margin-bottom: 10px;
    text-transform: uppercase;
    color: var(--text-color);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--muted-text);
    font-weight: 300;
    letter-spacing: 1px;
}

/* 文章内容 */
.article-content {
    max-width: 700px;
    margin: 0 auto;
}

.chapter {
    margin-bottom: 60px;
    scroll-margin-top: 80px;
}

.chapter h2 {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 15px;
    letter-spacing: 1px;
    color: var(--text-color);
}

.sanskrit-subtitle {
    color: var(--muted-text);
    font-size: 0.8rem;
    margin-bottom: 20px;
    font-style: italic;
    letter-spacing: 0.5px;
}

.article-content p {
    margin-bottom: 15px;
    color: var(--muted-text);
    line-height: 1.6;
    letter-spacing: 0.2px;
    font-size: 0.85rem;
}

/* 梵语文字样式 */
.sanskrit {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    letter-spacing: 0.5px;
}

.transliteration {
    font-size: 0.8rem;
    color: var(--muted-text);
    font-style: italic;
    margin-left: 0.3rem;
}

/* 网格布局和项样式 */
.sanskrit-item,
.content-item,
.vowel-item,
.support-item,
.consonant-item,
.compound-item,
.example-item,
.weight-item,
.sandhi-item,
.feature-item,
.detail-item {
    padding: 15px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    font-size: 0.85rem;
    background: var(--card-bg);
    color: var(--text-color);
}

.sanskrit-item:hover,
.content-item:hover,
.vowel-item:hover,
.support-item:hover,
.consonant-item:hover,
.compound-item:hover,
.example-item:hover,
.weight-item:hover,
.sandhi-item:hover,
.feature-item:hover,
.detail-item:hover {
    border-color: var(--hover-color);
}

.content-item h4,
.support-item h4,
.consonant-item h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
    color: var(--text-color);
}

/* 左侧章节导航 */
.chapter-nav .nav-menu.left {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.nav-menu.left .nav-item {
    color: var(--muted-text);
}

.nav-menu.left .nav-item:hover,
.nav-menu.left .nav-item.active {
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* 顶部导航栏 */
.navbar .nav-menu.top {
    background: var(--card-bg);
}

.nav-menu a {
    color: var(--text-color);
}

.nav-menu a:hover {
    color: var(--muted-text);
}

.hamburger {
    background: var(--card-bg);
    color: var(--text-color);
}

/* 页脚 */
.footer {
    background: var(--text-color);
    color: var(--bg-color);
}

.footer-content p {
    color: var(--muted-text);
}

/* 按钮 */
.cta-button {
    background: var(--text-color);
    color: var(--bg-color);
    border-color: var(--text-color);
}

.cta-button:hover {
    background: transparent;
    color: var(--text-color);
}

.cta-button.outline {
    background: transparent;
    color: var(--text-color);
    border-color: var(--text-color);
}

.cta-button.outline:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

/* 返回链接 */
.back-link {
    color: var(--muted-text);
}

.back-link:hover {
    color: var(--text-color);
    background-color: var(--card-bg);
}

/* 图标 */
.method-icon,
.benefit-icon,
.feature-item i,
.private-card i,
.comparison-card i {
    color: var(--text-color);
}

/* 分隔线 */
.rest-section,
.back-section {
    border-top-color: var(--border-color);
}

.rest-section p {
    color: var(--muted-text);
}

/* 咒语页面专用样式 */
.mantra-section {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
}

.mantra-section .sanskrit-text p {
    color: var(--text-color);
}

.mantra-section .transliteration-text p {
    color: var(--muted-text);
}

.mantra-item {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
}

/* 瑜伽经页面专用样式 */
.sutra-section:not(:last-child)::after {
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.sutra-number {
    background: var(--text-color);
    color: var(--bg-color);
}

.sutra-title {
    color: var(--text-color);
}

.sutra-content .sanskrit-text p {
    color: var(--text-color);
}

.sutra-content .transliteration-text p {
    color: var(--muted-text);
}

.sutra-content .translation-text p {
    color: var(--muted-text);
}

/* 八支体系页面专用样式 */
.limb-item {
    border: 1px solid var(--border-color);
    background: var(--card-bg);
}

.limb-item h4 {
    color: var(--text-color);
}

.limb-item .sanskrit {
    color: var(--muted-text);
}

.limb-item p {
    color: var(--muted-text);
}

.sutra-reference {
    background: var(--card-bg);
    border-left: 3px solid var(--text-color);
}

.sutra-reference .sanskrit {
    color: var(--text-color);
}

.sutra-reference p {
    color: var(--muted-text);
}