/* ==========================================
   大衍筮法 H5 应用 - 样式表
   移动端优先的响应式设计
   ========================================== */

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

:root {
    /* 颜色变量 - 古朴雅致 */
    --color-primary: #8B7355;      /* 深褐色 */
    --color-secondary: #D4A574;    /* 米色 */
    --color-accent: #5E7C6F;       /* 墨绿色 */
    --color-bg: #F5EFE7;           /* 浅米色背景 */
    --color-text: #3E3E3E;         /* 深灰文字 */
    --color-text-light: #6B6B6B;   /* 浅灰文字 */
    --color-border: #C9B8A3;       /* 边框色 */
    --color-white: #FFFFFF;

    /* 字体 */
    --font-title: "KaiTi", "STKaiti", "SimSun", serif;
    --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;

    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 50%;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ========== 全局样式 ========== */
html, body {
    height: 100%;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    min-height: 100vh;
    position: relative;
}

/* ========== 页面容器 ========== */
.page {
    display: none;
    height: 100vh;
    opacity: 0;
    transition: opacity var(--transition-normal);
    flex-direction: column;
}

.page.active {
    display: flex;
    opacity: 1;
}

/* 三段式布局 */
.page-header {
    flex-shrink: 0;
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
    background: var(--color-bg);
    text-align: center;
}

.page-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
    -webkit-overflow-scrolling: touch;
}

.page-footer {
    flex-shrink: 0;
    padding: var(--spacing-sm);
    background: var(--color-bg);
    text-align: center;
}

/* ========== 排版 ========== */
.main-title {
    font-family: var(--font-title);
    font-size: 2.5rem;
    font-weight: 500;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
}

.subtitle {
    font-size: 1rem;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.2em;
}

.page-title {
    font-family: var(--font-title);
    font-size: 1.75rem;
    font-weight: 500;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-family: var(--font-title);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-border);
}

/* 全局标题样式 - 统一使用楷体 */
h4, h5, h6 {
    font-family: var(--font-title);
    color: var(--color-primary);
    font-weight: bold;
}

h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

h5 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.guide-text {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

/* ========== 按钮 ========== */
.btn-primary, .btn-shake, .btn-skip {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1.1rem;
    font-family: var(--font-title);
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    letter-spacing: 0.1em;
}

.btn-primary:hover, .btn-shake:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active, .btn-shake:active {
    transform: translateY(0);
}

.btn-shake {
    font-size: 1.5rem;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 250px;
}

.btn-skip {
    background: var(--color-white);
    color: var(--color-primary);
    font-size: 1rem;
    max-width: 300px;
    box-shadow: none;
    border: 2px solid var(--color-primary);
    margin: 0 auto;
}

.btn-skip:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ========== 欢迎页 ========== */
#welcome-page .page-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.intro-text {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.intro-text p {
    font-family: var(--font-title);
    font-size: 0.95rem;
    line-height: 2;
    color: var(--color-text);
    text-align: center;
}

/* ========== 深呼吸页面 ========== */
#breathe-page .page-title {
    margin-bottom: 0;
}

#breathe-page .page-content {
    text-align: center;
}

/* 呼吸动画和倒计时已移除 - V1.3 优化 */

/* 提示文本 */
.reminder-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, #FFF8F0, #F5EFE7);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent);
    line-height: 1.6;
}

/* 示例和注意事项容器 - 并排布局 */
.info-sections {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

/* 示例和注意事项 */
.examples-section, .notes-section {
    flex: 1;
    background: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.examples-section .section-title,
.notes-section .section-title {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    padding-bottom: 4px;
    text-align: center;
}

.examples-list, .notes-list {
    list-style: none;
    padding-left: 0;
}

.examples-list li, .notes-list li {
    padding: 4px 0;
    padding-left: var(--spacing-sm);
    position: relative;
    color: var(--color-text);
    line-height: 1.6;
    font-size: 0.9rem;
    text-align: left;
}

.examples-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.notes-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* ========== 摇卦页面 ========== */
.progress-header {
    margin-bottom: var(--spacing-lg);
}

.hexagram-building {
    background: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    min-height: 180px;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 2px;
}

.yao-line {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    width: 100%;
    max-width: 300px;
    height: 35px;
    padding: 0 var(--spacing-sm);
}

.yao-line .line-symbol {
    font-size: 1.5rem;
    letter-spacing: 0;
    color: var(--color-primary);
    font-family: monospace;
    flex: 1;
    text-align: center;
}

.yao-line .line-label {
    font-size: 1rem;
    color: var(--color-text-light);
    min-width: 30px;
    text-align: right;
}

.yao-placeholder {
    width: 100%;
    max-width: 300px;
    height: 35px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-sm);
}

/* 摇卦页header布局 - 压缩高度 */
#divination-page .page-header {
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
    display: flex;
    align-items: center;
    justify-content: center;
}

#divination-page .page-title {
    margin-bottom: 0;
    line-height: 1;
}

/* 结果页header布局 - 压缩高度 */
#result-page .page-header {
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
}

#result-page .page-title {
    margin-bottom: 0;
}

/* 摇卦页footer布局 */
#divination-page .page-footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* 动画区域 */
.animation-area {
    text-align: center;
}

.progress-text {
    font-family: var(--font-title);
    font-size: 0.95rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.progress-bar {
    width: 100%;
    max-width: 250px;
    height: 6px;
    background: var(--color-border);
    border-radius: var(--radius-sm);
    margin: 0 auto;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transition: width var(--transition-normal);
}

/* 爻结果（在content区域） */
.line-result {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.line-result h3 {
    font-family: var(--font-title);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.line-result .line-symbol {
    font-size: 2.5rem;
    text-align: center;
    color: var(--color-primary);
    margin: var(--spacing-sm) 0;
    letter-spacing: 0;
    font-family: monospace;
    line-height: 1;
}

.line-result .line-name {
    font-family: var(--font-title);
    font-size: 1.2rem;
    text-align: center;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

/* 进度指示器 */
.progress-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.indicator {
    font-size: 1.5rem;
    color: var(--color-border);
    transition: color var(--transition-fast);
}

.indicator.completed {
    color: var(--color-accent);
}

.indicator.active {
    color: var(--color-primary);
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* ========== 结果页面 ========== */

.hexagrams-container {
    display: flex;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
    width: 100%;
}

.hexagram-section {
    background: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    flex: 1;
    min-width: 0;
}

.hexagram-title {
    font-family: var(--font-title);
    font-size: 0.95rem;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    word-break: keep-all;
}

.hexagram-display {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 2px;
    margin: var(--spacing-sm) 0;
}

.hexagram-line {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 180px;
    height: 30px;
    font-size: 1.5rem;
    letter-spacing: 0;
    color: var(--color-primary);
    font-family: monospace;
    line-height: 1;
}

/* 变爻样式 */
.yao-line.changing .line-symbol {
    color: var(--color-accent);
    font-weight: bold;
    text-shadow: 0 0 8px rgba(94, 124, 111, 0.3);
}

.text-section {
    background: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
}

.text-content {
    font-family: var(--font-title);
    font-size: 1.05rem;
    line-height: 2;
    color: var(--color-text);
}

.changing-lines {
    margin-top: var(--spacing-sm);
}

.changing-line-item {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--color-bg);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-sm);
}

.changing-line-item p {
    font-family: var(--font-title);
    line-height: 1.8;
}

/* 解读指引样式 */
.interpretation-guide {
    background: linear-gradient(135deg, #f8f5f0 0%, #f0e9dd 100%);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-md);
}

.interpretation-guide .section-title {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.guide-hint {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    padding: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-sm);
}

.guide-hint strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* 宜变之爻提示样式 */
.yi-bian-hint {
    display: inline-block;
    margin-top: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

.yi-bian-hint strong {
    color: var(--color-accent);
    font-style: normal;
}

/* 问题输入样式 */
.question-input-container {
    width: 100%;
    margin: var(--spacing-md) 0;
    position: relative;
}

.question-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.6;
    resize: none;
    background: var(--color-white);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.question-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.question-input::placeholder {
    color: var(--color-text-light);
}

.char-count {
    position: absolute;
    right: var(--spacing-xs);
    bottom: var(--spacing-xs);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* 问题显示样式 */
.question-display {
    background: linear-gradient(135deg, #FFF8F0 0%, #F5EFE7 100%);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--color-accent);
}

.question-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.question-text {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.6;
    font-weight: 500;
}

/* 占卜时间显示 */
.time-display {
    text-align: center;
    padding: var(--spacing-xs) 0;
    margin-top: var(--spacing-md);
    font-size: 0.85rem;
    color: var(--color-text-light);
    border-top: 1px solid var(--color-border);
}

.time-icon {
    margin-right: var(--spacing-xs);
}

.time-text {
    font-family: var(--font-body);
}

/* 白话解读样式 */
.vernacular-section {
    background: linear-gradient(135deg, #fff9f0 0%, #fff5e6 100%);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-md);
}

.vernacular-section h4 {
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.vernacular-section p {
    font-family: var(--font-title);
    line-height: 2;
    color: var(--color-text);
}

.vernacular-content {
    margin-top: var(--spacing-xs);
}

.vernacular-item {
    margin-bottom: var(--spacing-sm);
}

.vernacular-item:last-child {
    margin-bottom: 0;
}

.vernacular-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.vernacular-text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text);
    text-align: justify;
}

/* ========== 响应式设计 ========== */

/* 移动端小屏幕 - 保持横向并排，缩小尺寸 */
@media (max-width: 480px) {
    .hexagrams-container {
        gap: 6px;
    }

    .hexagram-section {
        padding: 8px 6px;
    }

    .hexagram-title {
        font-size: 0.8rem;
        margin-bottom: 4px;
        white-space: nowrap;
    }

    .hexagram-line {
        max-width: 100px;
        height: 22px;
        font-size: 1rem;
    }

    .hexagram-display {
        gap: 1px;
        margin: 4px 0;
    }
}

@media (max-width: 380px) {
    .hexagram-line {
        max-width: 85px;
        height: 20px;
        font-size: 0.9rem;
    }

    .hexagram-title {
        font-size: 0.75rem;
    }
}

/* 平板 */
@media (min-width: 768px) {
    .main-title {
        font-size: 3rem;
    }

    .container {
        padding: var(--spacing-lg);
    }

    .page {
        padding: var(--spacing-lg);
    }
}

/* 桌面 */
@media (min-width: 1024px) {
    .main-title {
        font-size: 3.5rem;
    }

    .container {
        max-width: 800px;
    }

    .btn-primary, .btn-shake {
        max-width: 350px;
    }
}

/* ========== 辅助类 ========== */
.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn var(--transition-normal) forwards;
}

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

.fade-out {
    animation: fadeOut var(--transition-normal) forwards;
}

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

/* ========== 占卜信息显示 ========== */

/* 问题和时间信息容器（包含标题） */
.divination-info {
    background: linear-gradient(135deg, #FFF8F0, #F5EFE7);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: 0;
    box-shadow: 0 2px 8px rgba(139, 115, 85, 0.12);
}

.divination-title {
    font-family: var(--font-title);
    font-size: 1.35rem;
    font-weight: bold;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid rgba(139, 115, 85, 0.15);
}

.divination-question {
    font-family: var(--font-title);
    font-size: 1.15rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.divination-question strong {
    font-family: var(--font-title);
    color: var(--color-primary);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}

.divination-time {
    font-family: var(--font-title);
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.divination-time strong {
    font-family: var(--font-title);
    color: var(--color-primary);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}

/* ========== V1.4 解卦教练模式样式 ========== */

/* 步骤容器 */
.interpretation-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* 单个步骤卡片 - 统一基础样式（古代书卷风格） */
.interpretation-step {
    background: linear-gradient(135deg, #FFFCF8, #FAF7F3);
    border-radius: var(--radius-md);
    padding: 10px;
    margin-top: 0;
    margin-bottom: 0;
    box-shadow: 0 2px 8px rgba(139, 115, 85, 0.08);
    transition: all var(--transition-normal);
}

.interpretation-step:hover {
    box-shadow: 0 4px 12px rgba(139, 115, 85, 0.12);
}

/* 强调步骤 - 统一书卷风格 */
.step-emphasis {
    background: linear-gradient(135deg, #FFF5EB, #F5E8DC);
    position: relative;
    box-shadow: 0 2px 12px rgba(139, 115, 85, 0.15);
}

.step-emphasis::before {
    content: "⭐";
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 1.5rem;
    opacity: 0.6;
}

/* 步骤标题 */
.step-title {
    font-family: var(--font-title);
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-border);
}

.step-content {
    color: var(--color-text);
    line-height: 2;
    font-family: var(--font-title);
}

.step-content p {
    font-family: var(--font-title);
    line-height: 2;
    margin-bottom: var(--spacing-xs);
}

.step-content ol, .step-content ul {
    font-family: var(--font-title);
    line-height: 1.8;
}

.step-content li {
    font-family: var(--font-title);
    margin-bottom: var(--spacing-xs);
}

/* 步骤注释提示 */
.step-note {
    background: linear-gradient(135deg, #F8F5F0, #F0E9DD);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-text);
    font-family: var(--font-title);
    line-height: 1.8;
}

.special-note {
    background: linear-gradient(135deg, #FFF8F0, #FFEFD5);
    border-left-color: var(--color-secondary);
    color: var(--color-primary);
}

/* 卦象信息容器（第1步） */
.hexagram-info-container {
    width: 100%;
}

.hexagrams-row {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* 卦象卡片 */
.hexagram-card {
    flex: 1;
    min-width: 140px;
    max-width: 200px;
    background: linear-gradient(135deg, #F8F5F0, #F0E9DD);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.hexagram-card-header {
    font-family: var(--font-title);
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    text-align: center;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hexagram-card-name {
    font-family: var(--font-title);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    font-weight: bold;
}

.hexagram-card-lines {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
}

.hexagram-card-title {
    font-family: var(--font-title);
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.hexagram-card .hexagram-display {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: var(--spacing-xs);
    align-items: center;
}

.hexagram-card .yao-line {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    width: 150px;
    height: 25px;
}

.hexagram-card .yao-symbol {
    font-size: 1.2rem;
    letter-spacing: 0;
    color: var(--color-primary);
    font-family: monospace;
    flex-shrink: 0;
    text-align: center;
}

.hexagram-card .yao-name {
    font-size: 0.9rem;
    color: var(--color-text-light);
    width: 25px;
    text-align: right;
    flex-shrink: 0;
}

/* 方法指引容器 */
.method-guide-container {
    background: linear-gradient(135deg, #FFF8F0, #F5EFE7);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-accent);
}

.guide-text {
    white-space: pre-line;
    line-height: 2;
    color: var(--color-text);
    font-family: var(--font-title);
}

/* 卦象详解容器 */
.hexagram-detail-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* 卦名标题（在步骤中显示） */
.hexagram-name {
    font-family: var(--font-title);
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--color-primary);
    margin: var(--spacing-xs) 0;
    line-height: 1.8;
}

.detail-hexagram-name {
    font-family: var(--font-title);
    font-size: 1.3rem;
    color: var(--color-primary);
    text-align: center;
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
}

.interpretation-item {
    background: #F8F5F0;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    line-height: 2;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-title);
}

.interpretation-item strong {
    color: var(--color-primary);
    display: inline-block;
    margin-right: var(--spacing-xs);
    font-family: var(--font-title);
}

.classic-text {
    font-family: var(--font-title);
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, #FFF8F0, #FFF0E6);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-secondary);
    line-height: 2;
}

.classic-text strong {
    color: var(--color-primary);
}

/* 爻辞详解容器 */
.lines-detail-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.line-detail {
    background: #F8F5F0;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.line-detail:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

/* 主要爻（重点关注） */
.primary-line {
    background: linear-gradient(135deg, #E8F8F5, #D5F4E6);
    border: 2px solid var(--color-accent);
    border-left-width: 4px;
}

.line-title {
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.05rem;
}

.line-text {
    font-family: var(--font-title);
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    line-height: 1.8;
}

.line-interpretation {
    background: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-xs);
    line-height: 2;
    color: var(--color-text-light);
    font-family: var(--font-title);
}

.line-interpretation strong {
    color: var(--color-primary);
    font-family: var(--font-title);
}

/* 宜变之爻容器 */
.yibian-container {
    background: linear-gradient(135deg, #FFF8F0, #F5EFE7);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.yibian-hint {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
}

.yibian-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.yibian-content {
    flex: 1;
    font-family: var(--font-title);
}

.yibian-content p {
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-title);
    line-height: 1.8;
}

.yibian-content p:last-child {
    margin-bottom: 0;
}

.yibian-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
    font-family: var(--font-title);
}

/* 综合思考引导 */
.thinking-guide-container {
    background: linear-gradient(135deg, #F8F5F0, #F0E9DD);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-accent);
}

.thinking-text {
    color: var(--color-text);
    font-family: var(--font-title);
}

.thinking-text p {
    margin-bottom: var(--spacing-sm);
    line-height: 2;
    font-family: var(--font-title);
}

.thinking-text ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
}

.thinking-text li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
    font-family: var(--font-title);
}

.thinking-text h4 {
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

.thinking-note {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--color-border);
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
}

.thinking-final-note {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 2px solid var(--color-accent);
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.8;
}

/* ========== V1.5 解卦引导优化样式 ========== */

/* ========== 三级卡片优先级系统（统一风格，左侧线条区分） ========== */

/* 主要依据卡片 (Primary) - 60% 权重，4px褐色粗线 + 深米色渐变 */
.step-priority-primary {
    background: linear-gradient(135deg, #FFF8F0, #F5EFE7);
    box-shadow: 0 2px 12px rgba(139, 115, 85, 0.12);
}

.step-priority-primary:hover {
    box-shadow: 0 4px 16px rgba(139, 115, 85, 0.18);
}

.step-priority-primary .step-title {
    color: var(--color-primary);
    font-size: 1.25rem;
    border-bottom-color: var(--color-primary);
}

/* 次要依据卡片 (Secondary) - 30% 权重，3px绿色中线 + 中米色渐变 */
.step-priority-secondary {
    background: linear-gradient(135deg, #FFF9F5, #F8F3EE);
    box-shadow: 0 2px 10px rgba(94, 124, 111, 0.10);
}

.step-priority-secondary:hover {
    box-shadow: 0 4px 14px rgba(94, 124, 111, 0.16);
}

.step-priority-secondary .step-title {
    color: var(--color-accent);
    font-size: 1.2rem;
    border-bottom-color: var(--color-accent);
}

/* 背景参考卡片 (Background) - 10% 权重，2px米色细线 + 浅米色渐变 */
.step-priority-background {
    background: linear-gradient(135deg, #FFFCF8, #FAF7F3);
    box-shadow: 0 2px 8px rgba(139, 115, 85, 0.08);
}

.step-priority-background:hover {
    box-shadow: 0 3px 12px rgba(139, 115, 85, 0.12);
}

.step-priority-background .step-title {
    color: var(--color-text-light);
    font-size: 1.15rem;
    border-bottom-color: var(--color-border);
}

/* 可折叠卡片 */
.step-collapsible {
    cursor: pointer;
}

.step-collapsible .step-title::after {
    content: " 📖";
    opacity: 0.5;
    font-size: 0.9em;
}

/* 引导文案和权重提示合并样式 */
.step-guidance-weight {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, #FFF8F0, #F5EFE7);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
    margin: var(--spacing-xs) 0;
    font-family: var(--font-title);
}

.step-guidance-weight .guidance-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.8;
    flex: 1;
}

.step-guidance-weight .weight-badge {
    display: inline-block;
    background: linear-gradient(135deg, #FFF5EB, #F5E8DC);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-primary);
    font-size: 0.85rem;
    font-weight: bold;
    color: var(--color-primary);
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(139, 115, 85, 0.15);
}

.step-priority-primary .step-guidance-weight {
    background: linear-gradient(135deg, #FFF5EB, #F5E8DC);
    border-left: 3px solid var(--color-primary);
}

.step-priority-primary .step-guidance-weight .guidance-text {
    color: var(--color-primary);
    font-size: 1rem;
    font-weight: bold;
}

.step-priority-secondary .step-guidance-weight {
    background: linear-gradient(135deg, #F8FAF9, #EEF4F1);
    border-left: 3px solid var(--color-accent);
}

.step-priority-secondary .step-guidance-weight .guidance-text {
    color: var(--color-accent);
}

.step-priority-secondary .step-guidance-weight .weight-badge {
    background: linear-gradient(135deg, #EEF4F1, #E5EFE9);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.step-priority-background .step-guidance-weight {
    background: linear-gradient(135deg, #FFFCF8, #F8F5F0);
    border-left: 2px solid var(--color-border);
}

.step-priority-background .step-guidance-weight .guidance-text {
    color: var(--color-text-light);
    font-weight: normal;
}

.step-priority-background .step-guidance-weight .weight-badge {
    background: linear-gradient(135deg, #FAF7F3, #F5F2EE);
    border-color: var(--color-border);
    color: var(--color-text-light);
}

.step-priority-primary .step-weight {
    background: linear-gradient(135deg, #F5E8DC, #EBDCCF);
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: bold;
    box-shadow: 0 2px 6px rgba(139, 115, 85, 0.2);
}

.step-priority-secondary .step-weight {
    background: linear-gradient(135deg, #EEF4F1, #E3EBE7);
    border: 1.5px solid var(--color-accent);
    color: var(--color-accent);
    box-shadow: 0 2px 5px rgba(94, 124, 111, 0.15);
}

.step-priority-background .step-weight {
    background: linear-gradient(135deg, #FAF7F3, #F0EBE5);
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    box-shadow: 0 1px 3px rgba(139, 115, 85, 0.1);
    font-weight: normal;
}

/* 用九/用六容器样式 */
.yong-jiu-liu-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.yong-title {
    font-family: var(--font-title);
    font-size: 1.4rem;
    color: var(--color-primary);
    text-align: center;
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-border);
}

.yong-text {
    font-family: var(--font-title);
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, #FFF8F0, #FFF0E6);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-secondary);
    line-height: 2;
}

.yong-interpretation {
    background: #F8F5F0;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    line-height: 2;
    font-family: var(--font-title);
}

.yong-note {
    background: linear-gradient(135deg, #FFF8F0, #F5EFE7);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-secondary);
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
}

/* 大象传背景参考样式 */
.background-info-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.background-image-text {
    font-family: var(--font-title);
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, #F8F5F0, #F0E9DD);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-border);
    line-height: 2;
    color: var(--color-text-light);
}

.background-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
    padding: var(--spacing-xs);
    font-family: var(--font-title);
}

/* 响应式调整 */
@media (min-width: 768px) {
    .hexagram-card {
        min-width: 180px;
    }

    .step-title {
        font-size: 1.4rem;
    }

    .detail-hexagram-name {
        font-size: 1.5rem;
    }

    /* V1.5 桌面端优化 */
    .step-priority-primary {
        transform: scale(1.08);
    }

    .step-priority-primary:hover {
        transform: scale(1.08) translateY(-4px);
    }

    .step-priority-primary .step-title {
        font-size: 1.5rem;
    }

    .step-priority-secondary .step-title {
        font-size: 1.3rem;
    }

    .step-priority-background {
        transform: scale(0.93);
    }

    .step-guidance {
        font-size: 1rem;
    }

    .step-priority-primary .step-guidance {
        font-size: 1.1rem;
    }

    .step-weight {
        font-size: 0.9rem;
    }

    .step-priority-primary .step-weight {
        font-size: 1rem;
    }

    .yong-title {
        font-size: 1.6rem;
    }
}

/* ========================================
   V2.0.1 AI 解卦助手样式
   ======================================== */

/* AI 引导问题容器 */
.ai-guidance-section {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #F0F8FF, #E6F3FF);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 4px 16px rgba(70, 130, 180, 0.12);
}

/* AI 头部 */
.ai-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid rgba(70, 130, 180, 0.2);
}

.ai-avatar {
    font-size: 1.8rem;
}

.ai-title {
    font-family: var(--font-title);
    font-size: 1.4rem;
    color: #2C5282;
    font-weight: bold;
}

/* AI 加载状态 */
.ai-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
}

/* 打字指示器动画 */
.typing-indicator {
    display: flex;
    gap: 4px;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #4682B4;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.loading-text {
    color: #4A5568;
    font-size: 0.95rem;
}

/* 引导问题内容 */
.guidance-intro {
    color: #2D3748;
    font-size: 1.05rem;
    margin-bottom: var(--spacing-sm);
}

.guidance-questions {
    margin-top: var(--spacing-sm);
}

.questions-label {
    font-weight: bold;
    color: #2C5282;
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

/* 单个问题 */
.guidance-question {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    border-left: 3px solid #4682B4;
}

.question-number {
    font-weight: bold;
    color: #4682B4;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.question-content {
    flex: 1;
}

.question-text {
    color: #2D3748;
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.question-hint {
    color: #718096;
    font-size: 0.9rem;
    font-style: italic;
    padding-top: var(--spacing-xs);
}

/* 引导提示 */
.guidance-tip {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-sm);
    color: #4A5568;
    font-size: 0.95rem;
    text-align: center;
}

/* 展开/收起按钮 */
.expand-interpretation-btn,
.collapse-interpretation-btn {
    width: 100%;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, #4682B4, #5A9FD4);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.expand-interpretation-btn:hover,
.collapse-interpretation-btn:hover {
    background: linear-gradient(135deg, #3A6EA0, #4A8FC4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(70, 130, 180, 0.3);
}

/* AI 完整解读容器 */
.ai-interpretation {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px dashed rgba(70, 130, 180, 0.2);
}

/* 解读头部 */
.interpretation-header {
    font-family: var(--font-title);
    font-size: 1.3rem;
    font-weight: bold;
    color: #2C5282;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

/* 解读章节 */
.interpretation-section {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
}

.section-title {
    font-weight: bold;
    color: #2C5282;
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    font-family: var(--font-title);
}

.section-content {
    color: #2D3748;
    line-height: 1.8;
    font-size: 1rem;
    white-space: pre-wrap; /* 保留换行 */
}

.section-content p {
    margin: var(--spacing-sm) 0;
}

.section-content strong {
    color: #2C5282;
    font-weight: bold;
}

/* 解读提示 */
.interpretation-tip {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 235, 205, 0.5);
    border-radius: var(--radius-sm);
    color: #8B4513;
    font-size: 0.95rem;
    text-align: center;
    border: 1px solid rgba(139, 69, 19, 0.2);
}

/* AI 错误状态 */
.ai-error {
    padding: var(--spacing-md);
    text-align: center;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.error-message {
    color: #C53030;
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

.btn-retry {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #E53E3E, #FC8181);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-retry:hover {
    background: linear-gradient(135deg, #C53030, #E53E3E);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .ai-guidance-section {
        padding: var(--spacing-sm);
    }

    .ai-title {
        font-size: 1.2rem;
    }

    .guidance-question {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .question-number {
        align-self: flex-start;
    }

    .interpretation-header {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1rem;
    }

    .section-content {
        font-size: 0.95rem;
    }
}

/* ========================================
   V2.0.2 结果页重构样式
   ======================================== */

/* 1. Hero Section (顶部概览) */
.hero-section {
    background: linear-gradient(135deg, var(--color-primary), #6B5842);
    margin: -12px -12px 16px -12px; /* 抵消 page-content padding (spacing-sm 现在是 12px) */
    padding: var(--spacing-md) var(--spacing-sm);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
}

/* 装饰性背景纹理 */
.hero-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(circle at 50% 0, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-question-row {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
    color: rgba(255,255,255,0.9);
    cursor: pointer;
    background: rgba(0,0,0,0.1);
    padding: 6px 12px;
    border-radius: 20px;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.hero-question-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-title);
}

.hero-hexagrams-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.hero-hexagram-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-hexagram-symbol {
    font-family: monospace;
    font-size: 3.5rem; /* 大字号符号 */
    line-height: 1;
    color: rgba(255,255,255,0.95);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    letter-spacing: -2px; /* 紧凑符号 */
}

.hero-hexagram-name {
    font-family: var(--font-title);
    font-size: 1.4rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.hero-hexagram-label {
    font-size: 0.8rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-arrow {
    font-size: 1.5rem;
    opacity: 0.5;
    animation: pulseArrow 2s infinite;
    color: rgba(255,255,255,0.8);
}

@keyframes pulseArrow {
    0%, 100% { transform: translateX(0); opacity: 0.5; }
    50% { transform: translateX(4px); opacity: 0.8; }
}

/* 2. Core Answer (核心答案) */
.core-answer-section {
    margin-bottom: var(--spacing-md);
}

.answer-card {
    background: linear-gradient(135deg, #FFFDF9, #FFF8F0);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 4px 20px rgba(139, 115, 85, 0.15);
    border: 1px solid rgba(139, 115, 85, 0.2);
    position: relative;
    overflow: hidden;
}

.answer-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.answer-badge {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    font-size: 0.85rem;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 2px 4px rgba(139, 115, 85, 0.3);
    font-weight: bold;
}

.answer-title {
    font-family: var(--font-title);
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: bold;
    border-bottom: 1px solid rgba(139, 115, 85, 0.1);
    padding-bottom: var(--spacing-xs);
}

.answer-content {
    font-family: var(--font-title);
    color: var(--color-text);
    line-height: 1.8;
    font-size: 1.1rem;
}

/* 3. Tab System (Tab 切换) */
.tab-bar {
    display: flex;
    background: #FFF;
    border-bottom: 1px solid var(--color-border);
    margin: 0; /* 与 Hero Section 无间隙贴合 */
    padding: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.tab-item {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-sm);
    font-family: var(--font-title);
    font-size: 1rem;
    color: var(--color-text-light);
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
}

.tab-item.active {
    color: var(--color-primary);
    font-weight: bold;
}

.tab-item.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 20%;
    width: 60%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px 3px 0 0;
}

.tab-content-container {
    /* 确保内容区域足够高，避免内容少时无法滚动触发 compact 状态 */
    min-height: calc(100vh - 280px); /* 280px ≈ Hero (220px) + Tab Bar (50px) + 余量 */
    padding: 0 var(--spacing-sm) var(--spacing-sm) var(--spacing-sm); /* 恢复左右底部的间距 */
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.tab-pane.active {
    display: block;
}

/* 4. Logic Bar (逻辑导航) */
.logic-bar {
    background: #FFF9F0;
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    border-radius: 4px;
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.6;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.logic-bar strong {
    color: var(--color-primary);
}

/* AI 直出样式优化 */
.ai-direct-content {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* AI 解读 V3 格式特定样式 */
.ai-v3 .interpretation-method {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    text-align: center;
}

.ai-v3 .interpretation-section.primary {
    border-left: 3px solid var(--color-primary);
}

.ai-v3 .interpretation-section.secondary {
    border-left: 3px solid var(--color-accent);
}

/* ========================================
   V2.0.2 响应式 Hero Section (方案A/C自适应)
   ======================================== */

/* 结果页移除 page-content 的 padding */
#result-page .page-content {
    padding: 0;
}

/* Sticky 容器：Hero + Tab 整体固定 */
.sticky-hero-tab-container {
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Hero Section 基础样式 */
.hero-section {
    background: linear-gradient(135deg, #8B7355 0%, #6B5345 100%);
    padding: 0; /* 与 Tab 无间隙 */
    margin: 0;
    color: var(--color-white);
    position: relative; /* 从 sticky 改为 relative，因为父容器已经是 sticky */
    overflow: hidden;
    /* 固定高度并添加过渡动画 - 增加高度以容纳完整卦象 */
    height: 220px;
    transition: height 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 装饰性背景纹理 */
.hero-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(circle at 50% 0, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== 方案A：正常状态（页面顶部，未滚动） ===== */

/* 1. Hero Header - 问题（左）+ 时间（右）横向排列 */
.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-sm);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1;
    /* 过渡动画 */
    opacity: 1;
    transform: scale(1);
    transform-origin: left center;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-question {
    flex: 1;
    text-align: left;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
}

.hero-question .question-label {
    color: #FFFFFF; /* 与问题文字同色，提高对比度 */
    opacity: 1;
    margin-right: 4px;
    font-family: var(--font-title);
}

.hero-question .question-text {
    font-family: var(--font-title);
    color: #FFFFFF;
}

.hero-time {
    flex-shrink: 0;
    font-size: 0.85rem;
    opacity: 0.8;
    color: rgba(255, 255, 255, 0.9);
    white-space: nowrap;
}

/* 2. Hero Hexagrams Container - 卦象居中展示 */
.hero-hexagrams-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-sm);
    position: absolute;
    top: 50px; /* 在 hero-header 下方 */
    left: 0;
    right: 0;
    z-index: 1;
    /* 过渡动画 */
    opacity: 1;
    transform: scale(1);
    transform-origin: center center;
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-hexagram-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero-card-lines {
    display: flex;
    flex-direction: column-reverse; /* 从下往上显示 */
    gap: 3px;
    margin-bottom: 4px;
}

.hero-yao-line {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 16px; /* 80px 卦象 / 6 ≈ 13-16px 每爻 */
}

.hero-yao-line.changing .hero-line-symbol {
    color: #FFD700;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
    animation: glowPulse 1.5s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        text-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
    }
    50% {
        text-shadow: 0 0 16px rgba(255, 215, 0, 0.9);
    }
}

.hero-line-symbol {
    font-family: monospace;
    font-size: 1.2rem;
    line-height: 1;
    letter-spacing: -1px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-card-name {
    font-family: var(--font-title);
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.95);
    text-align: center;
}

.hero-arrow {
    font-size: 1.5rem;
    opacity: 0.6;
    color: rgba(255, 255, 255, 0.8);
}

/* 3. Hero Compact Info - 正常状态隐藏（透明但保留结构） */
.hero-compact-info {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    /* 初始状态：完全透明 */
    opacity: 0;
    pointer-events: none; /* 透明时不接收鼠标事件 */
    transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2; /* 在其他元素之上 */
}

/* ===== 方案C：极简状态（滚动后自动切换） ===== */

.hero-section.compact {
    padding: var(--spacing-xs) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    /* 缩小高度，过渡动画在 .hero-section 中定义 - 增加高度以完整显示卦象 */
    height: 70px;
}

/* 缩小并淡出正常状态的 header 和卦象容器 */
.hero-section.compact .hero-header {
    opacity: 0;
    transform: scale(0.3) translateY(-30px);
    pointer-events: none;
}

.hero-section.compact .hero-hexagrams-container {
    opacity: 0;
    transform: scale(0.5) translateY(-20px);
    pointer-events: none;
}

/* 显示极简模式信息区（淡入） */
.hero-section.compact .hero-compact-info {
    opacity: 1;
    pointer-events: auto;
}

/* 左侧：小卦象符号区域 */
.compact-hexagrams-symbol {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    height: 40px; /* 固定高度，防止撑开容器 */
}

.compact-hexagram {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.compact-lines {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.compact-yao {
    font-family: monospace;
    font-size: 0.6rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    height: 6px; /* 40px / 6 ≈ 6-7px */
    display: flex;
    align-items: center;
    justify-content: center;
}

.compact-yao.changing {
    color: #FFD700;
}

.compact-arrow {
    font-size: 1rem;
    opacity: 0.7;
    color: rgba(255, 255, 255, 0.8);
}

/* 右侧：文字信息区域 */
.compact-text-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    flex: 1;
    min-width: 0; /* 允许文字溢出省略 */
}

.compact-question {
    font-family: var(--font-title);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.compact-question .question-label {
    color: #FFFFFF; /* 与问题文字同色，提高对比度 */
    opacity: 1;
    margin-right: 4px;
}

.compact-hexagrams {
    font-family: var(--font-title);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    opacity: 0.9;
    line-height: 1.3;
}

.compact-time {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0.7;
    line-height: 1.2;
}

/* ========================================
   V2.0.2 AI Tab 补充样式
   ======================================== */

.ai-loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
}

.typing-indicator {
    display: inline-flex;
    gap: 4px;
    margin-bottom: var(--spacing-sm);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typingBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.loading-text {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.interpretation-header {
    font-family: var(--font-title);
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: bold;
}

.interpretation-section {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.interpretation-section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-family: var(--font-title);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: bold;
}

.section-content {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text);
    white-space: pre-wrap;
}

.section-content p {
    margin-bottom: var(--spacing-sm);
}

.section-content strong {
    color: var(--color-primary);
    font-weight: bold;
}

/* AI 错误状态 */
.ai-error {
    text-align: center;
    padding: var(--spacing-lg);
    background: #FFF5F5;
    border-radius: var(--radius-md);
    border: 1px solid #FFC9C9;
}

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

.error-message {
    font-size: 0.95rem;
    color: #C92A2A;
    margin-bottom: var(--spacing-md);
}

.btn-retry {
    margin-top: var(--spacing-sm);
}

/* ========================================
   V2.0.2 Tab 内卡片布局修复
   ======================================== */

/* 统一 Tab 内卡片宽度和间距 */
.tab-pane .interpretation-step {
    width: 100%;
    max-width: 100%;
    margin-bottom: 16px !important;
    box-sizing: border-box;
}

/* 防止卡片重叠 */
.tab-pane.active {
    padding: 16px 0 0 0; /* 只保留顶部间距 */
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Logic Bar 也统一宽度 */
.tab-pane .logic-bar {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}