/**
 * 麦克风使用指南 - 首页样式
 * 简洁大气设计，移动端优先
 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(180deg, #f8fafc 0%, #e8f4fc 100%);
    min-height: 100vh;
    min-height: -webkit-fill-available;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
}

.home-container {
    width: 100%;
    max-width: 500px;
    padding: 60px 24px;
    text-align: center;
}

/* 头部 */
.home-header {
    margin-bottom: 50px;
}

.logo {
    font-size: 2rem;
    margin-bottom: 16px;
    line-height: 1;
}

.home-header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: #1e293b;
    letter-spacing: 2px;
    line-height: 1.3;
}

/* 模式选择 */
.mode-selector {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 50px;
}

.mode-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 30px;
    background: #fff;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    cursor: pointer;
}

.mode-card:hover {
    border-color: #3b82f6;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(59,130,246,0.15);
}

.mode-card:active {
    transform: translateY(-2px);
    background: #f8fafc;
}

.card-icon {
    font-size: 2.8rem;
    flex-shrink: 0;
    line-height: 1;
}

.card-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
    min-width: 0;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    display: block;
    text-align: left;
    line-height: 1.3;
}

.card-desc {
    font-size: 1rem;
    color: #64748b;
    display: block;
    text-align: left;
    margin-top: 6px;
    line-height: 1.5;
}

/* 底部 */
.home-footer {
    color: #94a3b8;
    font-size: 1rem;
    line-height: 1.5;
}

/* ============== 响应式适配 ============== */

/* 大屏手机 / 小平板 */
@media screen and (max-width: 600px) {
    .home-container {
        padding: 50px 20px;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    .home-header h1 {
        font-size: 1.8rem;
    }
    
    .home-header {
        margin-bottom: 40px;
    }
    
    .mode-card {
        padding: 24px 22px;
        gap: 18px;
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .card-desc {
        font-size: 0.95rem;
    }
    
    .mode-selector {
        margin-bottom: 40px;
    }
}

/* 标准手机 */
@media screen and (max-width: 414px) {
    .home-container {
        padding: 40px 16px;
    }
    
    .logo {
        font-size: 2rem;
        margin-bottom: 12px;
    }
    
    .home-header h1 {
        font-size: 1.6rem;
        letter-spacing: 1px;
    }
    
    .home-header {
        margin-bottom: 35px;
    }
    
    .mode-card {
        padding: 22px 18px;
        gap: 16px;
        border-radius: 14px;
    }
    
    .card-icon {
        font-size: 2.2rem;
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    .card-desc {
        font-size: 0.9rem;
        margin-top: 4px;
    }
    
    .mode-selector {
        gap: 16px;
        margin-bottom: 35px;
    }
    
    .home-footer {
        font-size: 0.95rem;
    }
}

/* 小屏手机 (iPhone SE等) */
@media screen and (max-width: 375px) {
    .home-container {
        padding: 35px 14px;
    }
    
    .logo {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
    
    .home-header h1 {
        font-size: 1.4rem;
    }
    
    .home-header {
        margin-bottom: 30px;
    }
    
    .mode-card {
        padding: 20px 16px;
        gap: 14px;
        border-radius: 12px;
    }
    
    .card-icon {
        font-size: 2rem;
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    .card-desc {
        font-size: 0.85rem;
    }
    
    .mode-selector {
        gap: 14px;
        margin-bottom: 30px;
    }
    
    .home-footer {
        font-size: 0.9rem;
    }
}

/* 超小屏 (320px) */
@media screen and (max-width: 320px) {
    .home-container {
        padding: 30px 12px;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .home-header h1 {
        font-size: 1.25rem;
    }
    
    .mode-card {
        padding: 18px 14px;
        gap: 12px;
    }
    
    .card-icon {
        font-size: 1.8rem;
    }
    
    .card-title {
        font-size: 1rem;
    }
    
    .card-desc {
        font-size: 0.8rem;
    }
}

/* 横屏模式 */
@media screen and (max-height: 500px) and (orientation: landscape) {
    body {
        align-items: flex-start;
    }
    
    .home-container {
        padding: 30px 24px;
    }
    
    .home-header {
        margin-bottom: 25px;
    }
    
    .logo {
        font-size:2rem;
        margin-bottom: 8px;
    }
    
    .home-header h1 {
        font-size: 1.4rem;
    }
    
    .mode-selector {
        flex-direction: row;
        margin-bottom: 25px;
    }
    
    .mode-card {
        flex: 1;
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 10px;
    }
    
    .card-title, .card-desc {
        text-align: center;
    }
}

/* 安全区域适配 (iPhone X 及以上) */
@supports (padding: max(0px)) {
    .home-container {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
        padding-bottom: max(40px, env(safe-area-inset-bottom));
    }
}