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

        body {
            background-color: #f5f7fb;
            font-family: system-ui, -apple-system, 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            color: #1e2a3e;
            line-height: 1.5;
            padding: 0 0 32px 0;
        }

        .container {
            max-width: 640px;
            margin: 0 auto;
            background-color: #ffffff;
            box-shadow: 0 0 20px rgba(0,0,0,0.03);
            border-radius: 0 0 24px 24px;
            overflow: hidden;
            width: 100%;
        }

        /* 导航栏 - 移动自适应滑动 */
        .nav-bar {
            background: white;
            padding: 8px;
            border-bottom: 1px solid #eef2f6;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: thin;
            -webkit-overflow-scrolling: touch;
            display: flex;
            align-items: center;
        }
        .nav-logo {
            flex-shrink: 0;
            margin-right: 8px;
        }
        .nav-logo img {
            width: 44px;
            height: 44px;
            border-radius: 8px;
            object-fit: cover;
        }
        .nav-links {
            display: inline-flex;
            gap: clamp(9px, 5vw, 9px);
            font-size: 15px;
            font-weight: 500;
        }
        .nav-links a {
            text-decoration: none;
            color: #4a627a;
            transition: color 0.2s;
        }
        .nav-links a:hover, .nav-links a.active {
            color: #0f7b6e;
        }
        .nav-links a:first-child {
            color: #0f7b6e;
            font-weight: 600;
        }

        .content-padding {
            padding: 0 16px;
        }
        @media (min-width: 480px) {
            .content-padding {
                padding: 0 20px;
            }
        }

        .question-header {
            margin: 20px 16px 16px 16px;
        }
        @media (min-width: 480px) {
            .question-header {
                margin: 24px 20px 16px 20px;
            }
        }
        .question-title {
            font-size: clamp(22px, 7vw, 28px);
            font-weight: 700;
            line-height: 1.3;
            background: linear-gradient(135deg, #1e3c2c, #2c5e4a);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            letter-spacing: -0.2px;
        }
        .question-tag {
            display: inline-block;
            background: #eef9f7;
            color: #0f7b6e;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 30px;
            margin-top: 12px;
        }

        .card {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.05);
            margin-bottom: 20px;
            border: 1px solid #eef2f8;
            overflow: hidden;
        }
        .card-header {
            padding: 16px 16px 4px 16px;
            border-bottom: 1px solid #f0f3f9;
        }
        @media (min-width: 480px) {
            .card-header {
                padding: 18px 20px 8px 20px;
            }
        }
        .card-header h2 {
            font-size: 18px;
            font-weight: 600;
            color: #1a3c34;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .card-body {
            padding: 14px 16px 18px 16px;
        }
        .card-body p{
            margin-bottom: 8px;
            letter-spacing: 3px;
        }
        @media (min-width: 480px) {
            .card-body {
                padding: 16px 20px 20px 20px;
            }
        }

        /* 插图通用样式 - 移动自适应 */
        .section-illustration {
            margin-bottom: 18px;
            text-align: center;
            background: #fbfefe;
            border-radius: 24px;
            overflow: hidden;
        }
        .section-illustration img {
            max-width: 100%;
            height: auto;
            border-radius: 20px;
            display: block;
            margin: 0 auto;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            width: 100%;
        }
        .img-caption {
            font-size: 12px;
            color: #7b8b9e;
            margin-top: 6px;
            text-align: center;
        }

        .expert-text {
            background: #f8fafd;
            padding: 14px 16px;
            border-radius: 20px;
            margin: 12px 0;
            color: #2c3e44;
            font-size: 15px;
            border-left: 4px solid #2c9b8a;
        }
        .highlight {
            font-weight: 600;
            color: #1e6b5e;
        }

        /* 图片网格自适应 */
        .image-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            gap: 12px;
            margin: 20px 0 8px;
        }
        @media (max-width: 450px) {
            .image-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        .img-placeholder {
            background: #f1f5f9;
            border-radius: 16px;
            text-align: center;
            padding: 14px 6px 10px;
            border: 1px solid #e6edf4;
        }
        .img-placeholder .icon {
            font-size: 32px;
            margin-bottom: 6px;
            display: block;
        }
        .img-placeholder span {
            font-size: 12px;
            font-weight: 500;
            color: #2c5a4a;
        }
        .img-placeholder small {
            font-size: 10px;
            color: #7e95ae;
            display: block;
            margin-top: 4px;
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid #2c9b8a;
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 13px;
            color: #1f6e5f;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
        }
        .btn-solid {
            background: #0f7b6e;
            border: none;
            padding: 10px 20px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 14px;
            color: white;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: 0.2s;
            text-decoration: none;
            width: fit-content;
        }
        .btn-solid:hover {
            background: #0a5f54;
        }

        .list-styled {
            list-style: none;
            margin-top: 8px;
        }
        .list-styled li {
            margin-bottom: 12px;
            padding-left: 24px;
            position: relative;
            font-size: 14px;
        }
        .list-styled li::before {
            content: "•";
            color: #2c9b8a;
            font-weight: bold;
            font-size: 18px;
            position: absolute;
            left: 6px;
            top: -2px;
        }
        .diff-list {
            background: #f9fbfd;
            border-radius: 20px;
            padding: 12px 16px;
            margin-top: 12px;
        }

        .read-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }
        .read-tag {
            background: #f0f4fa;
            padding: 6px 14px;
            border-radius: 40px;
            font-size: 12px;
            color: #2c5e6e;
            text-decoration: none;
            transition: 0.2s;
            white-space: nowrap;
        }
        @media (max-width: 480px) {
            .read-tag {
                white-space: normal;
                font-size: 12px;
                padding: 5px 12px;
            }
            .read-grid {
                gap: 8px;
            }
        }

        .hospital-card {
            background: linear-gradient(135deg, #f8fcfb 0%, #ffffff 100%);
            border-radius: 20px;
            border: 1px solid #dde9e5;
            padding: 16px;
            margin-top: 8px;
        }
        .hospital-top-row {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hospital-info {
            flex: 1;
            min-width: 0;
        }
        .hospital-image {
            width: 72px;
            height: 72px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .hospital-name {
            font-weight: 700;
            font-size: 17px;
            color: #144d41;
        }
        .badge {
            background: #eef2f0;
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 30px;
            display: inline-block;
            margin: 8px 0;
        }

        .footer-note {
            background: #fafcfc;
            border-top: 1px solid #e9eff4;
            padding: 20px 16px 50px;
            text-align: center;
            font-size: 11px;
            color: #7b8c9e;
            margin-top: 12px;
        }
        .hotline {
            background: #eef5f3;
            border-radius: 30px;
            padding: 10px;
            margin-bottom: 16px;
            font-size: 12px;
            font-weight: 500;
            color: #1e5a4e;
        }

        hr {
            margin: 16px 0;
            border: none;
            height: 1px;
            background: #edf2f7;
        }

/* 在线问诊卡片样式 */
    .doctor-card .head_bg {
        position: relative;
        padding: 16px;
        background: linear-gradient(135deg, #f8fcfb 0%, #ffffff 100%);
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .doctor-card .doctor-info {
        flex: 1;
        min-width: 0;
    }

    .doctor-card .doctor-info h3 {
        color: #0f7b6e;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .doctor-card .doctor-info p {
        color: #666;
        font-size: 13px;
        line-height: 1.5;
    }

    .doctor-card .doctor-avatar {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        object-fit: cover;
        border: 2px solid #0f7b6e;
        flex-shrink: 0;
    }

    .doctor-card .ask-section {
        background-color: #f8fafd;
        padding: 14px 16px;
    }

    .doctor-card .ask-section .ask-title {
        color: #2c3e44;
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 10px;
        background: url(../images/ask_icon.png) no-repeat;
        background-size: 16px 16px;
        padding-left: 24px;
        line-height: 16px;
    }

    .doctor-card .ask-section ul {
        list-style-type: none;
        padding-left: 0;
        margin: 0;
    }

    .doctor-card .ask-section li {
        color: #658098;
        font-size: 13px;
        margin-bottom: 6px;
        padding-left: 20px;
        position: relative;
    }

    .doctor-card .ask-section li:last-child {
        margin-bottom: 0;
    }

    .doctor-card .ask-section li::before {
        content: "•";
        position: absolute;
        left: 4px;
        color: #2c9b8a;
    }

    .doctor-card .chat-input {
        display: flex;
        align-items: center;
        gap: 12px;
        background-color: #ffffff;
        padding: 10px 16px;
        border-top: 1px solid #eef2f8;
    }

    .doctor-card .chat-input svg {
        flex-shrink: 0;
    }

    .doctor-card .chat-input input {
        flex: 1;
        border: none;
        outline: none;
        font-size: 14px;
        color: #333;
        background: transparent;
    }

    .doctor-card .chat-input button {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background-color: #0f7b6e;
        color: #fff;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .side-float {
        position: fixed;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 9999;
    }

    .side-default {
        padding: 10px 5px;
        background: #ffffff;
        border: 2px solid #ff8c5a;
        border-radius: 10px;
        text-align: center;
        font-size: 15px;
        font-weight: 700;
        color: #e85d3b;
        line-height: 1.4;
        letter-spacing: 3px;
        box-shadow: 0 4px 16px rgba(232, 93, 59, 0.25);
        transition: opacity 0.3s ease;
        writing-mode: vertical-rl;
        text-orientation: upright;
    }

    .side-img {
        width: 60px;
        height: 60px;
        border-radius: 10px;
        object-fit: cover;
        transition: opacity 0.3s ease;
    }

/* 底部固定按钮样式 - 自适应 */
.bottom-btn {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    padding: 8px 12px;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
    background-color: #fff;
    box-sizing: border-box;
    z-index: 3;
    gap: 10px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.06);
}

.bottom-btn-item {
    flex: 1;
    min-width: 0;
}

.bottom-btn-inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bottom-btn-tag {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    text-align: center;
    font-size: clamp(10px, 2.8vw, 12px);
    background-color: #f36552;
    line-height: 1.8;
    border-radius: 10px 10px 10px 0;
    padding: 0 clamp(6px, 2vw, 10px);
    color: #fff;
    margin-bottom: 4px;
}

.bottom-btn a {
    width: 100%;
    height: clamp(36px, 10vw, 44px);
    font-size: clamp(13px, 3.8vw, 16px);
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    text-decoration: none;
    border-radius: 22px;
    transition: opacity 0.2s;
}

.bottom-btn a:active {
    opacity: 0.85;
}

.bottom-btn-item:first-of-type a {
    border-radius: 22px;
    background: linear-gradient(135deg, #3291F9, #5ba8ff);
}

.bottom-btn-item:first-of-type a::before {
    display: inline-block;
    content: '';
    background: url(../images/ask.png) no-repeat center;
    background-size: contain;
    width: 16px;
    height: 16px;
    margin-right: 4px;
    flex-shrink: 0;
}

.bottom-btn-item:last-of-type a::before {
    display: inline-block;
    content: '';
    background: url(../images/register.png) no-repeat center;
    background-size: contain;
    width: 16px;
    height: 16px;
    margin-right: 4px;
    flex-shrink: 0;
}

.bottom-btn-item:last-of-type a {
    border-radius: 22px;
    background: linear-gradient(135deg, #FF9023, #ffab4a);
}

@media (min-width: 480px) {
    .bottom-btn {
        padding: 10px 16px;
        padding-bottom: calc(10px + env(safe-area-inset-bottom));
        gap: 14px;
    }
}

@media (min-width: 640px) {
    .bottom-btn {
        max-width: 640px;
        left: 50%;
        transform: translateX(-50%);
    }
}