/* 基础样式变量 */
:root {
    --bg-grey: #f8f9fa;
    --brand-color: #ff6b35;
    --primary-orange: #ff6b35;
    --light-orange: #ff8c69;
    --accent-blue: #4a90e2;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --border-radius: 16px;
}

/* 禁止选中文本 */
.noselect {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.full-wrap {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.zhiyue-guide-page {
    box-sizing: border-box;
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: transparent;
    padding: 20px 20px 100px;
    overflow-y: auto;
    max-width: 900px;
    margin: 0 auto;
}

.title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 1px;
}

/* 主要介绍卡片 */
.hero-card {
    position: relative;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--light-orange) 100%);
    border-radius: 24px;
    padding: 40px 30px;
    margin-bottom: 40px;
    overflow: hidden;
    color: white;
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
}

.hero-decoration {
    position: absolute;
    right: 30px;
    top: 30px;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    border-radius: 50%;
    backdrop-filter: blur(5px);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-orange);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero-badge .emoji {
    margin-right: 8px;
    font-size: 18px;
}

.hero-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.hero-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 500;
    opacity: 0.95;
    margin-bottom: 20px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 核心功能按钮区域 */
.features-section {
    margin-bottom: 50px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 35px;
    text-align: center;
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--light-orange));
    border-radius: 2px;
}

.features-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.feature-btn {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 2px solid rgba(255, 107, 53, 0.2);
    border-radius: 20px;
    padding: 24px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
}

.feature-btn:hover {
    border-color: var(--primary-orange);
    background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(255, 107, 53, 0.25);
}

.feature-btn.active {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--light-orange) 100%);
    border-color: var(--primary-orange);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

.feature-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.feature-btn:hover::before {
    left: 100%;
}

/* 产品介绍正文区域 */
.content-section {
    margin-bottom: 50px;
}

.content-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 40px 35px;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
}

.content-block {
    margin-bottom: 40px;
}

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

.content-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-orange);
    margin-bottom: 20px;
    text-align: center;
    letter-spacing: 3px;
    position: relative;
}

.content-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--light-orange));
    border-radius: 2px;
}

.content-text {
    font-size: 17px;
    line-height: 2;
    color: var(--text-primary);
    text-align: justify;
    text-indent: 2em;
    letter-spacing: 0.5px;
    font-weight: 400;
}

.highlight {
    color: var(--primary-orange);
    font-weight: 700;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(255, 140, 105, 0.15) 100%);
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

/* 使用场景部分 */
.scenarios-section {
    margin-bottom: 30px;
}

.scenario-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.scenario-item {
    background-color: var(--bg-grey);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.scenario-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.scenario-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #333;
}

.scenario-item p {
    font-size: 12px;
    color: #666;
    line-height: 1.4;
}

/* 立即体验部分 */
.cta-section {
    margin-bottom: 30px;
}

.cta-card {
    background-color: var(--bg-grey);
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
}

.cta-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.cta-card p {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.5;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 300px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--light-orange) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e65a2b 0%, #ff7849 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

.btn-default {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: var(--text-primary);
    border: 2px solid rgba(255, 107, 53, 0.2);
}

.btn-default:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    border-color: var(--primary-orange);
}

.btn-block {
    width: 100%;
}

.cta-button {
    height: 45px;
    background-color: var(--brand-color);
    border-color: var(--brand-color);
}

.bottom-actions {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    display: none;
    justify-content: center;
    padding: 0 20px;
}

.back-button {
    height: 50px;
    font-size: 16px;
    width: 90%;
}

.hidden {
    display: none;
}

/* 响应式设计 */
@media (min-width: 769px) {
    .zhiyue-guide-page {
        padding: 40px 30px 120px;
    }

    .hero-card {
        padding: 50px 40px;
    }

    .hero-decoration {
        width: 120px;
        height: 120px;
        right: 40px;
        top: 40px;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 22px;
    }

    .features-buttons {
        grid-template-columns: repeat(5, 1fr);
        gap: 25px;
    }

    .feature-btn {
        padding: 28px 20px;
        font-size: 16px;
    }

    .content-card {
        padding: 50px 45px;
    }

    .content-text {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 26px;
        margin-bottom: 30px;
    }

    .hero-card {
        padding: 30px 20px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .features-buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .feature-btn {
        font-size: 14px;
        padding: 20px 15px;
    }

    .content-card {
        padding: 25px 20px;
    }

    .content-text {
        font-size: 15px;
        text-indent: 1.5em;
    }

    .content-title {
        font-size: 20px;
        letter-spacing: 2px;
    }
}

/* Toast 提示样式 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 94, 0.95) 100%);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.05);
}

/* 添加一些微妙的动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* 动态内容展示区域样式 */
.dynamic-content {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid rgba(255, 107, 53, 0.1);
}

.feature-detail {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.feature-detail.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.feature-detail h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-detail .feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature-tag {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 140, 105, 0.1) 100%);
    color: var(--primary-orange);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.feature-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.feature-highlights {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.feature-highlights h5 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-highlights ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-highlights li {
    padding: 8px 0;
    position: relative;
    padding-left: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-highlights li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-orange);
    font-weight: bold;
}

/* 默认提示内容样式 */
.default-tip {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

.default-tip.hidden {
    display: none;
}