/* 字體導入 */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600&family=Inter:wght@300;400;500&display=swap');

/* 品牌色彩變量 */
:root {
    --indigo-midnight: #0F1A2B;
    --gold-light: #D9A441;
    --jade-mist: #7FAFA4;
    --cloud-white: #F8F7F3;
    --ink-gray: #3D3A35;
    --brush-light-gray: #E5E2DC;
}

/* 基礎樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    background-color: var(--cloud-white);
    color: var(--ink-gray);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', 'Noto Serif SC', serif;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* 導航欄 */
.navbar {
    background-color: var(--indigo-midnight);
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}
.logo {
    color: var(--gold-light);
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--cloud-white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.lang-switcher {
    background: none;
    border: 1px solid var(--jade-mist);
    color: var(--cloud-white);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-switcher:hover {
    background-color: var(--jade-mist);
}

/* 主內容區域 */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 160px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero區塊 - 優化版本 */
.hero {
    background: linear-gradient(135deg, var(--indigo-midnight) 0%, #1a2b3c 100%);
    color: var(--cloud-white);
    padding: 6rem 4rem;
    text-align: center;
    border-radius: 16px;
    margin: 2rem auto;
    position: relative;
    overflow: hidden;
    max-width: 900px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><style>.hex{fill:none;stroke:%23D9A441;stroke-width:0.5;opacity:0.1}</style></defs><path class="hex" d="M50 10L80 30V70L50 90L20 70V30Z"/><path class="hex" d="M35 25L65 45V85L35 65L5 45V5Z"/></svg>');
    opacity: 0.3;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.hero p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    position: relative;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 按鈕樣式 */
.btn {
    background-color: var(--jade-mist);
    color: var(--cloud-white);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    background-color: var(--gold-light);
    transform: translateY(-2px);
}

.btn-gold {
    background-color: var(--gold-light);
}

.btn-gold:hover {
    background-color: #c59438;
}

/* 內容區塊 */
.content-section {
    background: var(--cloud-white);
    padding: 3rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.sidebar-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
}

.sidebar {
    background: var(--brush-light-gray);
    padding: 2rem;
    border-radius: 8px;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 0.5rem;
}

.sidebar-nav a {
    color: var(--ink-gray);
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: block;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background-color: var(--jade-mist);
    color: var(--cloud-white);
}

/* 案例卡片 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.case-card {
    background: var(--cloud-white);
    border: 1px solid var(--brush-light-gray);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.3s ease;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.case-category {
    background-color: var(--gold-light);
    color: var(--cloud-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 1rem;
}

/* 排卦界面 */
.divination-interface {
    background-color: var(--indigo-midnight);
    color: var(--cloud-white);
    padding: 3rem;
    border-radius: 12px;
}

.input-group {
    margin-bottom: 2rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--jade-mist);
}

.input-group input, .input-group textarea, .input-group select {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--jade-mist);
    border-radius: 8px;
    background-color: rgba(255,255,255,0.1);
    color: var(--cloud-white);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
}

.input-group textarea {
    height: 100px;
    resize: vertical;
}

.input-group select option {
    background-color: var(--indigo-midnight);
    color: var(--cloud-white);
}

/* 結果區域 */
#result-section {
    transition: all 0.5s ease;
}

/* 頁腳 */
.footer {
    background-color: var(--indigo-midnight);
    color: var(--cloud-white);
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero {
        padding: 4rem 2rem;
        margin: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .sidebar-layout {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 1rem;
    }
}

/* 加載動畫 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 工具類 */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

/* 更新日期时间组样式 - 支持三列布局 */
.datetime-group {
    display: flex;
    gap: 2rem;
    align-items: flex-end;
    flex-wrap: wrap; /* 允许在小屏幕上换行 */
}

.datetime-item {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 150px; /* 确保每个项目有最小宽度 */
}

.datetime-item label {
    margin-bottom: 0.5rem;
    color: var(--indigo-midnight);
    font-weight: 500;
}

.datetime-item input,
.datetime-item select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--brush-light-gray);
    border-radius: 8px;
    background-color: var(--cloud-white);
    color: var(--ink-gray);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.datetime-item input:focus,
.datetime-item select:focus {
    outline: none;
    border-color: var(--jade-mist);
    box-shadow: 0 0 0 3px rgba(127, 175, 164, 0.2);
}

.datetime-item .input-help {
    font-size: 0.8rem;
    color: var(--jade-mist);
    margin-top: 0.25rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .datetime-group {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .datetime-item {
        width: 100%;
    }
}

.yongshen-input-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: center;
    max-width: 600px;
}

.yongshen-input-grid input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--brush-light-gray);
    border-radius: 8px;
    background-color: var(--cloud-white);
    color: var(--ink-gray);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.yongshen-input-grid input:focus {
    outline: none;
    border-color: var(--jade-mist);
    box-shadow: 0 0 0 3px rgba(127, 175, 164, 0.2);
}

.yongshen-input-grid .input-help {
    white-space: nowrap;
    color: var(--jade-mist);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .yongshen-input-grid {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .yongshen-input-grid .input-help {
        text-align: right;
    }
}

/* 弹窗样式 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.modal-close {
    margin-top: 1.5rem;
    padding: 0.75rem 2rem;
    background-color: var(--jade-mist);
    color: var(--cloud-white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: block;
    margin-left: auto;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

/* 确保返回按钮在任何状态下都可见 */
.modal-close:hover,
.modal-close:focus,
.modal-close:active {
    background-color: #6a9c93; /* 使用比 var(--jade-mist) 稍深的绿色 */
    color: var(--cloud-white);
    opacity: 1;
    visibility: visible;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* 案例卡片悬停效果 */
.case-card {
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--cloud-white);
    border: 1px solid var(--brush-light-gray);
    border-radius: 8px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--jade-mist);
}

.case-category {
    background-color: var(--gold-light);
    color: var(--cloud-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 1rem;
    font-weight: 500;
}

/* 案例网格布局 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* 案例日期样式 */
.case-date {
    margin-top: 1rem;
    color: var(--jade-mist);
    font-size: 0.9rem;
}

/* 弹窗内日期样式 */
.modal-date {
    margin: 1rem 0;
    color: var(--jade-mist);
    font-size: 0.9rem;
}

/* 弹窗描述样式 */
.modal-description {
    line-height: 1.6;
    margin-top: 1rem;
}

/* Stripe Card Element 样式 */
.StripeElement {
    box-sizing: border-box;
    height: 40px;
    padding: 10px 12px;
    border: 1px solid var(--brush-light-gray);
    border-radius: 8px;
    background-color: white;
    transition: border-color 0.3s ease;
}

.StripeElement--focus {
    border-color: var(--jade-mist);
    box-shadow: 0 0 0 3px rgba(127, 175, 164, 0.2);
}

.StripeElement--invalid {
    border-color: #fa755a;
}

.StripeElement--webkit-autofill {
    background-color: #fefde5 !important;
}

/* 支付相关样式 */
.payment-security {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--jade-mist);
}

.security-badge {
    background-color: var(--jade-mist);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: bold;
}

/* ============================================
   语言切换器统一样式
   ============================================ */

/* 语言选择器容器 */
.lang-selector {
    position: relative;
    display: inline-block;
    margin-left: 1rem;
}

/* 语言切换按钮 */
.lang-switcher {
    background: var(--indigo-midnight);
    color: var(--cloud-white);
    border: 1px solid var(--gold-light);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 70px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

.lang-switcher::after {
    content: '▼';
    font-size: 0.7rem;
    transition: transform 0.3s ease;
}

.lang-switcher:hover {
    background: var(--gold-light);
    color: var(--indigo-midnight);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(212, 175, 55, 0.3);
}

/* 语言下拉菜单 */
.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--cloud-white);
    border: 1px solid var(--brush-light-gray);
    border-radius: 4px;
    min-width: 120px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1000;
    margin-top: 0.3rem;
    overflow: hidden;
}

.lang-dropdown.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 语言选项按钮 */
.lang-option {
    padding: 0.6rem 1rem;
    cursor: pointer;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    color: var(--ink-gray);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--brush-light-gray);
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--indigo-midnight);
}

/* 当前选中项使用金色背景 */
.lang-option.active {
    background-color: var(--gold-light);
    color: var(--indigo-midnight);
    font-weight: 600;
}

.lang-option.active::after {
    content: '✓';
    font-weight: bold;
}

/* 导航栏中的语言切换器特殊样式 */
.navbar .lang-selector {
    margin-left: 1rem;
}

.navbar .lang-switcher {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    color: var(--cloud-white);
}

.navbar .lang-switcher:hover {
    background: var(--gold-light);
    color: var(--indigo-midnight);
    border-color: var(--gold-light);
}

.navbar .lang-dropdown {
    background: var(--indigo-midnight);
    border: 1px solid var(--gold-light);
}

.navbar .lang-option {
    color: var(--cloud-white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .lang-option:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--gold-light);
}

.navbar .lang-option.active {
    background-color: var(--gold-light);
    color: var(--indigo-midnight);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .lang-selector {
        margin-left: 0.5rem;
    }
    
    .lang-switcher {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
        min-width: 60px;
    }
    
    .lang-dropdown {
        min-width: 100px;
        right: -20px; /* 在小屏幕上稍微偏移 */
    }
    
    .lang-option {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }
    
    .navbar .lang-switcher {
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 480px) {
    .lang-selector {
        position: static; /* 在小屏幕上让下拉菜单向下展开 */
    }
    
    .lang-dropdown {
        left: 0;
        right: 0;
        width: 100%;
        position: fixed;
        top: 80px; /* 在导航栏下方 */
        border-radius: 0 0 4px 4px;
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .navbar .lang-dropdown {
        position: fixed;
        top: 60px; /* 移动端导航栏可能较矮 */
    }
}

/* 语言切换器焦点状态 */
.lang-switcher:focus {
    outline: 2px solid var(--jade-mist);
    outline-offset: 2px;
}

.lang-option:focus {
    outline: 2px solid var(--jade-mist);
    outline-offset: -2px;
}