/* ================== 全局样式 ================== */
:root {
    --primary-dark: #1a1a1a;
    --secondary-dark: #2d2d2d;
    --accent-gold: #d4af37;
    --text-light: #ffffff;
    --text-muted: #cccccc;
    --text-dark: #333333;
    --parchment-bg: #f4e8d0;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ================== 主容器 ================== */
.main-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ================== 顶部导航 ================== */
.top-nav {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1000;
}

.nav-left .brand-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-gold);
    margin: 0;
    cursor: pointer;
    transition: var(--transition);
}

.nav-left .brand-name:hover {
    color: #f4d03f;
    transform: scale(1.05);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector {
    background: var(--secondary-dark);
    border: 1px solid #444;
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-size: 14px;
}

.star-coins-display {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--secondary-dark);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border: 1px solid var(--accent-gold);
}

.star-coin-icon {
    width: 20px;
    height: 20px;
}

.login-btn, .history-btn {
    background: var(--accent-gold);
    color: var(--primary-dark);
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.login-btn:hover, .history-btn:hover {
    background: #b8941f;
    transform: translateY(-2px);
}

/* ================== 中央交互区域 ================== */
.interaction-area {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    position: relative;
}

.state-container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ================== 牛皮纸容器 ================== */
.parchment-container {
    position: relative;
    width: 500px;
    height: 600px;
    margin: 0 auto;
    transition: var(--transition);
}

.parchment-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}

.parchment-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    text-align: center;
}

/* ================== 初始状态样式 ================== */
.question-input-section {
    margin-bottom: 30px;
}

.question-input {
    width: 100%;
    padding: 15px;
    border: 2px solid #8b7355;
    border-radius: var(--border-radius);
    background: rgba(244, 232, 208, 0.9);
    color: var(--text-dark);
    font-size: 16px;
    text-align: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.question-input:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

.quick-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.quick-option {
    background: #8b7355;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.quick-option:hover {
    background: var(--accent-gold);
    color: var(--text-dark);
    transform: translateY(-2px);
}

.principle-link {
    margin: 20px 0;
}

.principle-link a {
    color: #8b7355;
    text-decoration: underline;
    font-size: 14px;
    transition: var(--transition);
}

.principle-link a:hover {
    color: var(--accent-gold);
}

/* ================== 初始状态和绘图状态共用的指纹按钮样式 ================== */
.fingerprint-button {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.fingerprint-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
    transition: var(--transition);
}

.fingerprint-icon.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fingerprint-icon:not(.disabled):hover {
    transform: scale(1.1);
}

.fingerprint-text {
    color: var(--text-dark);
    font-size: 12px;
    font-weight: 600;
}

/* ================== 绘图状态样式 ================== */
.drawing-instruction {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    line-height: 1.5;
}

.drawing-canvas {
    position: absolute;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 60%;
    margin-top: 20px;
    cursor: crosshair;
    border: 2px dashed #8b7355;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
}

/* ================== 等待状态样式 ================== */
.waiting-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 80%;
}

.waiting-text {
    color: var(--text-dark);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 30px;
}

.progress-container {
    width: 100%;
    height: 8px;
    background: #8b7355;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-gold), #f4d03f);
    width: 0%;
    transition: width 0.5s ease;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6));
    animation: shine 2s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 500;
}

/* ================== 结果状态样式 ================== */
.result-layout {
    display: flex;
    width: 100%;
    max-width: 1200px;
    gap: 40px;
    align-items: flex-start;
}

.result-left {
    flex: 0 0 500px;
    animation: slideInLeft 0.8s ease;
}

.result-right {
    flex: 1;
    animation: slideInRight 0.8s ease;
    position: relative;
    padding-right: 60px;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 牛皮纸结果内容 */
.result-parchment-content {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 85%;
    text-align: center;
}

.question-info {
    margin-bottom: 30px;
}

.question-text {
    color: var(--text-dark);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.divination-time {
    color: #8b7355;
    font-size: 14px;
}

.hexagram-image-container {
    margin: 30px 0;
    animation: fadeInScale 1s ease 0.5s both;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.hexagram-image {
    max-width: 300px;
    max-height: 300px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.hexagram-info {
    margin-top: 20px;
}

.hexagram-lines {
    margin-bottom: 15px;
    /* 这里可以添加爻线的具体样式 */
}

.hexagram-name {
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 600;
}

/* 右侧滚动内容 - 重新设计为翻页效果 */
.scrollable-content {
    background: rgba(45, 45, 45, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    height: 600px;
    position: relative;
    overflow: hidden; /* 隐藏溢出内容，实现翻页效果 */
}

.content-page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    pointer-events: none;
}

.content-page.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* 视差滚动效果 - 不同元素不同的移动速度 */
.content-page .page-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 10px;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.1s;
}

.content-page .page-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    flex: 1;
    overflow-y: auto;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s;
    padding-bottom: 80px;
}

/* page-content内的page-subtitle样式 */
.content-page .page-content .page-subtitle {
    font-size: 24px;
    color: var(--text-muted);
    margin-bottom: 20px;
    display: block;
}

/* 当页面激活时，所有元素回到原位 */
.content-page.active .page-title,
.content-page.active .page-content {
    transform: translateY(0);
}

/* 锁定内容样式 */
.locked-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding-top: 0;
}

.locked-content .page-subtitle {
    font-size: 24px;
    color: var(--text-muted);
    margin-bottom: 20px;
    display: block;
}

.blur-overlay {
    position: relative;
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.blur-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: blur(10px);
    border-radius: var(--border-radius);
}

/* 新的占位元素样式，模拟真实内容的样式 */
.blur-placeholder {
    width: 100%;
    min-height: 300px;
    background: transparent;
    border-radius: 0;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    position: relative;
    overflow: hidden;
    padding: 0;
    filter: blur(8px);
    opacity: 0.7;
}

.blur-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
    z-index: 2;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.blur-text {
    color: var(--text-light);
    font-size: 16px;
    font-weight: 400;
    text-shadow: none;
    z-index: 1;
    text-align: left;
    line-height: 1.8;
    max-width: 100%;
    word-wrap: break-word;
    width: 100%;
}

.unlock-prompt {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
}

.unlock-btn {
    background: linear-gradient(135deg, var(--accent-gold), #f4d03f);
    color: var(--primary-dark);
    border: none;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.unlock-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
}

.unlock-coin-icon {
    width: 24px;
    height: 24px;
}

/* 解锁后内容样式 */
.unlocked-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    text-align: left;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 翻页导航 - 移到右侧垂直排列 */
.page-navigation {
    position: absolute;
    top: 50%;
    right: -50px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 10;
}

.page-indicator {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

/* 添加页面标签提示 */
.page-indicator::before {
    content: attr(data-label);
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: var(--text-light);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.page-indicator:hover::before {
    opacity: 1;
    right: 30px;
}

.page-indicator:hover {
    background: rgba(212, 175, 55, 0.6);
    transform: scale(1.2);
    border-color: rgba(212, 175, 55, 0.3);
}

.page-indicator.active {
    background: var(--accent-gold);
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.6);
    border-color: var(--accent-gold);
}

.page-indicator.active::before {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

/* 付费结果页面的标签切换 */
.content-tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid #444;
}

.content-tab {
    padding: 15px 30px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    font-size: 18px;
    font-weight: 600;
}

.content-tab.active {
    color: var(--accent-gold);
    border-bottom-color: var(--accent-gold);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 操作按钮 */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    justify-content: center;
}

.rating-btn, .back-home-btn {
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.rating-btn {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.back-home-btn {
    background: var(--secondary-dark);
    color: var(--text-light);
    border: 1px solid #444;
}

.rating-btn:hover, .back-home-btn:hover {
    transform: translateY(-2px);
}

/* ================== 底部Footer ================== */
.main-footer {
    background: var(--primary-dark);
    padding: 30px 40px;
    text-align: center;
    border-top: 1px solid #333;
}

.footer-links {
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

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

.separator {
    margin: 0 15px;
    color: #666;
}

.footer-copyright {
    color: #666;
    font-size: 14px;
}

/* ================== 弹窗样式 ================== */
.principle-modal-content {
    background: var(--secondary-dark);
    color: var(--text-light);
    border-radius: 12px;
    border: 1px solid #444;
}

.principle-close {
    filter: invert(1);
}

.principle-text {
    font-size: 16px;
    line-height: 1.8;
    text-align: center;
    padding: 20px;
}

/* 登录注册弹窗样式 */
.auth-modal-content {
    background: var(--secondary-dark);
    color: var(--text-light);
    border-radius: 12px;
    border: 1px solid #444;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.auth-modal-header {
    border-bottom: 1px solid #444;
    padding: 20px 30px;
}

.auth-modal-title {
    color: var(--accent-gold);
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.auth-modal-close {
    filter: invert(1);
    opacity: 0.8;
}

.auth-modal-close:hover {
    opacity: 1;
}

.auth-modal-body {
    padding: 30px;
}

.auth-form-container {
    animation: fadeInUp 0.3s ease;
}

.auth-form .form-label {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 8px;
}

.auth-form .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #555;
    color: var(--text-light);
    padding: 12px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.auth-form .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
    color: var(--text-light);
}

.auth-form .form-control::placeholder {
    color: #999;
}

.auth-form .form-text {
    color: #aaa;
    font-size: 12px;
}

.auth-submit-btn {
    background: linear-gradient(135deg, var(--accent-gold), #f4d03f);
    color: var(--primary-dark);
    border: none;
    padding: 12px 24px;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.auth-submit-btn:hover {
    background: linear-gradient(135deg, #f4d03f, var(--accent-gold));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #444;
}

.auth-switch p {
    color: var(--text-muted);
    margin: 0;
}

.auth-link {
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.auth-link:hover {
    color: #f4d03f;
    text-decoration: underline;
}

.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #555;
}

.form-check-input:checked {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.form-check-input:focus {
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 0.2rem rgba(212, 175, 55, 0.25);
}

.form-check-label {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.5;
}

/* 隐私政策和用户协议弹窗样式 */
#privacyPolicyModal .modal-content,
#userAgreementModal .modal-content {
    background: var(--secondary-dark);
    color: var(--text-light);
    border: 1px solid #444;
}

#privacyPolicyModal .modal-header,
#userAgreementModal .modal-header {
    border-bottom: 1px solid #444;
}

#privacyPolicyModal .modal-title,
#userAgreementModal .modal-title {
    color: var(--accent-gold);
    font-weight: 600;
}

#privacyPolicyModal .btn-close,
#userAgreementModal .btn-close {
    filter: invert(1);
}

.privacy-policy-content,
.user-agreement-content {
    line-height: 1.6;
}

.privacy-policy-content h6,
.user-agreement-content h6 {
    color: var(--accent-gold);
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 10px;
}

.privacy-policy-content h6:first-child,
.user-agreement-content h6:first-child {
    margin-top: 0;
}

.privacy-policy-content p,
.user-agreement-content p {
    color: var(--text-light);
    margin-bottom: 15px;
}

#privacyPolicyModal .modal-footer,
#userAgreementModal .modal-footer {
    border-top: 1px solid #444;
}

#privacyPolicyModal .btn-secondary,
#userAgreementModal .btn-secondary {
    background: #555;
    border-color: #555;
    color: var(--text-light);
}

#privacyPolicyModal .btn-secondary:hover,
#userAgreementModal .btn-secondary:hover {
    background: #666;
    border-color: #666;
}

/* 弹窗错误提示 */
#modalErrorAlert {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #ff6b7a;
    border-radius: var(--border-radius);
    margin-top: 20px;
}

/* 充值弹窗样式 */
.recharge-modal-content {
    background: var(--secondary-dark);
    color: var(--text-light);
    border-radius: 12px;
    border: 1px solid #444;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.recharge-modal-header {
    border-bottom: 1px solid #444;
    padding: 20px 30px;
}

.recharge-modal-title {
    color: var(--accent-gold);
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.recharge-modal-close {
    filter: invert(1);
    opacity: 0.8;
}

.recharge-modal-close:hover {
    opacity: 1;
}

.recharge-modal-body {
    padding: 30px;
}

.recharge-packages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.recharge-package {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid #444;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.recharge-package:hover {
    border-color: var(--accent-gold);
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.15);
}

.package-coins {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 8px;
}

.package-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 15px;
}

.package-buy-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-gold), #f4d03f);
    color: var(--primary-dark);
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
}

.package-buy-btn:hover {
    background: linear-gradient(135deg, #f4d03f, var(--accent-gold));
    transform: translateY(-1px);
}

.package-buy-btn:disabled {
    background: #555;
    color: #999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.recharge-package.recommended {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.recharge-package.recommended:hover {
    border-color: #f4d03f;
}

.recommended-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: var(--primary-dark);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
}

.recharge-package.recommended .package-price {
    color: var(--accent-gold);
}

.recharge-package.recommended .package-buy-btn {
    background: var(--accent-gold);
    color: var(--primary-dark);
}

.recharge-package.recommended .package-buy-btn:hover {
    background: #f4d03f;
}

@media (max-width: 768px) {
    .recharge-packages {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .recharge-package {
        padding: 15px;
    }
}

.coin-icon-small {
    width: 20px;
    height: 20px;
    margin-left: 5px;
    vertical-align: middle;
}

/* 用户信息弹窗样式 */
.user-info-section {
    margin-bottom: 30px;
}

.user-avatar-section {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
}

.user-avatar {
    font-size: 60px;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-basic-info {
    flex: 1;
}

.user-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 5px;
}

.user-email {
    font-size: 14px;
    color: var(--text-muted);
}

.user-balance-section {
    padding: 15px 20px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: var(--border-radius);
}

.balance-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.balance-icon {
    width: 24px;
    height: 24px;
}

.balance-label {
    color: var(--text-light);
    font-size: 16px;
}

.balance-value {
    color: var(--accent-gold);
    font-size: 18px;
    font-weight: 600;
}

.user-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.user-action-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.change-password-btn {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid #555;
}

.change-password-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.logout-btn {
    background: rgba(220, 53, 69, 0.1);
    color: #ff6b7a;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.logout-btn:hover {
    background: rgba(220, 53, 69, 0.2);
    border-color: #dc3545;
    transform: translateY(-2px);
}

.user-action-btn i {
    font-size: 18px;
}

/* 星币购买弹窗 */
.coin-packages {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.package-item {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
}

.package-item.recommended {
    border-color: var(--accent-gold);
}

.package-item.recommended::before {
    content: attr(data-recommended-text);
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: var(--primary-dark);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.package-coins {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.package-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.package-btn {
    width: 100%;
    background: var(--accent-gold);
    color: var(--primary-dark);
    border: none;
    padding: 10px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.package-btn:hover {
    background: #b8941f;
    transform: translateY(-2px);
}

/* ================== 响应式设计 ================== */
@media (max-width: 768px) {
    .top-nav {
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .nav-left {
        text-align: center;
    }
    
    .nav-right {
        gap: 10px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .brand-name {
        font-size: 20px !important;
    }
    
    /* 主容器居中 */
    .main-container {
        max-width: 100vw;
        margin: 0 auto;
        overflow-x: hidden;
    }
    
    .interaction-area {
        padding: 20px 10px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .state-container {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .parchment-container {
        width: 90vw;
        max-width: 400px;
        height: 500px;
    }
    
    /* 结果页面移动端适配 */
    .result-layout {
        flex-direction: column;
        gap: 20px;
        max-width: 100%;
        padding: 0 10px;
    }
    
    .result-left {
        flex: none;
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .result-left .parchment-container {
        width: 90vw;
        max-width: 350px;
        height: 400px;
    }
    
    .result-right {
        padding-right: 0;
        width: 100%;
    }
    
    .scrollable-content {
        height: 400px;
        padding: 20px;
        margin: 0;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .content-page .page-content {
        font-size: 14px;
        padding-bottom: 60px;
    }
    
    .content-page .page-content .page-subtitle {
        font-size: 18px;
    }
    
    /* 翻页导航移动端适配 */
    .page-navigation {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: center;
        margin-top: 20px;
        gap: 10px;
        right: auto;
        top: auto;
    }
    
    .page-indicator {
        width: 12px;
        height: 12px;
    }
    
    .page-switch-controls {
        position: static;
        margin-top: 15px;
        bottom: auto;
    }
    
    .page-switch-btn {
        padding: 10px 20px;
        font-size: 13px;
        min-width: 140px;
    }
    
    /* 付费结果页面移动端适配 */
    .content-tabs {
        margin-bottom: 15px;
        justify-content: center;
    }
    
    .content-tab {
        padding: 8px 16px;
        font-size: 14px;
        flex: 1;
        text-align: center;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: 10px;
        margin-top: 20px;
        padding: 0 20px;
    }
    
    .rating-btn, .back-home-btn {
        width: 100%;
        padding: 12px;
    }
    
    .coin-packages {
        grid-template-columns: 1fr;
    }
    
    .interaction-area {
        padding: 20px 10px;
    }
}

@media (max-width: 480px) {
    .top-nav {
        padding: 10px 15px;
        gap: 12px;
    }
    
    .brand-name {
        font-size: 18px !important;
    }
    
    .nav-right {
        gap: 8px;
        justify-content: center;
    }
    
    .language-selector {
        padding: 6px 10px;
        font-size: 12px;
        min-width: 80px;
    }
    
    .star-coins-display {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .login-btn, .history-btn {
        padding: 6px 10px;
        font-size: 11px;
    }
    
    /* 移动端登录按钮显示用户图标而非用户名 */
    .login-btn.user-logged-in {
        font-size: 0; /* 隐藏文本 */
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }
    
    .login-btn.user-logged-in::before {
        content: "\f4da"; /* Bootstrap Icons 用户图标 */
        font-family: "bootstrap-icons";
        font-size: 14px;
        color: var(--primary-dark);
    }
    
    /* 移动端隐藏原理说明链接 */
    .principle-link {
        display: none;
    }
    
    /* 移动端指纹按钮向下移动 */
    .fingerprint-button {
        bottom: 15px;
    }
    
    .parchment-container {
        width: 95vw;
        height: 450px;
    }
    
    .question-input {
        font-size: 14px;
        padding: 12px;
    }
    
    .quick-options {
        flex-direction: column;
        align-items: center;
        gap: 6px;
    }
    
    .quick-option {
        width: 80%;
        padding: 6px 12px;
        font-size: 12px;
    }
    
    /* 移动端标题字体调小 */
    .drawing-title {
        font-size: 18px !important;
    }
    
    /* 小屏幕结果页面适配 */
    .result-left .parchment-container {
        width: 95vw;
        height: 450px;
    }
    
    .result-parchment-content {
        width: 90%;
        top: 30px;
    }
    
    .question-text {
        font-size: 16px;
    }
    
    .hexagram-image {
        max-width: 280px;
        max-height: 280px;
    }
    
    .hexagram-name {
        font-size: 14px;
    }
    
    .scrollable-content {
        height: 600px;
        padding: 15px;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .content-page .page-content {
        font-size: 13px;
    }
    
    .content-page .page-content .page-subtitle {
        font-size: 16px;
    }
    
    .page-switch-btn {
        padding: 8px 16px;
        font-size: 12px;
        min-width: 120px;
    }
    
    .unlock-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .action-buttons {
        padding: 0 15px;
    }
    
    .nav-right {
        gap: 8px;
    }
    
    .star-coins-display {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .login-btn, .history-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* 页面切换按钮 */
.page-switch-controls {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    z-index: 15;
}

.page-switch-btn {
    background: linear-gradient(135deg, var(--accent-gold), #f4d03f);
    color: var(--primary-dark);
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    min-width: 160px;
    justify-content: center;
}

.page-switch-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
    background: linear-gradient(135deg, #f4d03f, var(--accent-gold));
}

.page-switch-btn:active {
    transform: translateY(0);
}

.switch-text {
    transition: all 0.3s ease;
}

.switch-arrow {
    font-style: normal;
    transition: all 0.3s ease;
    font-size: 16px;
}

.page-switch-btn:hover .switch-arrow {
    transform: translateX(3px);
}

/* 当在第二页时，按钮样式调整 */
.page-switch-btn[data-current-page="1"] {
    background: linear-gradient(135deg, var(--secondary-dark), #444);
    color: var(--text-light);
}

.page-switch-btn[data-current-page="1"]:hover {
    background: linear-gradient(135deg, #444, var(--secondary-dark));
}

.page-switch-btn[data-current-page="1"] .switch-arrow {
    transform: rotate(180deg);
}

.page-switch-btn[data-current-page="1"]:hover .switch-arrow {
    transform: rotate(180deg) translateX(3px);
}

/* ================== 历史记录侧边栏样式 ================== */
.history-sidebar {
    position: fixed;
    top: 0;
    right: -400px; /* 初始状态隐藏在右侧 */
    width: 380px;
    height: 100vh;
    background: var(--secondary-dark);
    z-index: 2000;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.history-sidebar.active {
    right: 0;
}

.history-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(3px);
}

.history-overlay.active {
    opacity: 1;
    visibility: visible;
}

.history-header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #444;
}

.history-header h3 {
    margin: 0;
    color: var(--accent-gold);
    font-size: 22px;
    font-weight: 600;
}

.close-history-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.close-history-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-gold);
}

.history-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.history-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 15px;
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--accent-gold);
    transform: translateX(5px);
}

.history-item.active {
    background: rgba(212, 175, 55, 0.1);
    border-left-color: var(--accent-gold);
}

.history-item-time {
    color: var(--text-muted);
    font-size: 12px;
    margin-bottom: 5px;
}

.history-item-question {
    color: var(--text-light);
    font-size: 16px;
    font-weight: 500;
}

.history-item-status {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 8px;
}

.history-item-status.unlocked {
    color: #4caf50;
}

.history-item-status.locked {
    color: var(--text-muted);
}

.history-empty-msg {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 0;
    font-size: 16px;
}

.history-loading, .history-error {
    text-align: center;
    padding: 40px 0;
    font-size: 16px;
}

.history-loading {
    color: var(--text-muted);
}

.history-error {
    color: #ff6b7a;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .history-sidebar {
        width: 300px;
    }
}

@media (max-width: 480px) {
    .history-sidebar {
        width: 280px;
    }
}