/* 基础样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: #f7f8fa;
    color: #222;
    line-height: 1.7;
}
.z5c5f4container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}
.z5c5f4flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.z5c5f4site-header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 0.5em 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
.z5c5f4logo {
    font-size: 2em;
    font-weight: bold;
    color: #1a73e8;
}
.z5c5f4main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 3em;
}
.z5c5f4main-nav a {
    text-decoration: none;
    color: #222;
    font-size: 1.1em;
    transition: color 0.2s;
}
.z5c5f4main-nav a:hover {
    color: #1a73e8;
}
.z5c5f4hero {
    background: linear-gradient(90deg, #1a73e8 0%, #4fc3f7 100%);
    color: #fff;
    padding: 3em 0 2em 0;
    text-align: center;
}
.z5c5f4hero h1 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
}
.z5c5f4hero p {
    font-size: 1.3em;
    margin-bottom: 1.5em;
}
.z5c5f4cta-btn {
    display: inline-block;
    background: #fff;
    color: #1a73e8;
    padding: 0.8em 2em;
    border-radius: 30px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: background 0.2s, color 0.2s;
}
.z5c5f4cta-btn:hover {
    background: #e3f2fd;
    color: #1565c0;
}
section {
    margin: 1.5em 0;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    padding: 1.5em 0;
}
section h2 {
    text-align: center;
    color: #1a73e8;
    margin-bottom: 0.8em;
    font-size: 2em;
}
.z5c5f4services-grid, .z5c5f4advantages-grid, .z5c5f4process-grid, .z5c5f4partners-grid, .z5c5f4about-grid, .z5c5f4contact-flex {
    gap: 1em;
}
.z5c5f4service-card, .z5c5f4advantage-card, .z5c5f4process-card, .z5c5f4partner-card, .z5c5f4about-card, .z5c5f4contact-info-card, .z5c5f4contact-form-card, .z5c5f4risk-card {
    padding: 1em 1em;
}
.z5c5f4service-card h3, .z5c5f4advantage-card h3, .z5c5f4process-card h3, .z5c5f4partner-card h3, .z5c5f4about-card h2, .z5c5f4contact-info-card h3, .z5c5f4contact-form-card h3, .z5c5f4risk-card h3 {
    margin-bottom: 0.4em;
}
.z5c5f4services-grid {
    display: flex;
    gap: 1.5em;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    margin-top: 1em;
}
.z5c5f4service-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.08);
    border: 2px solid #e3f2fd;
    padding: 1.4em 1.1em 1.2em 1.1em;
    flex: 1 1 240px;
    min-width: 210px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0.5em;
    transition: box-shadow 0.2s, border-color 0.2s;
    position: relative;
}
.z5c5f4service-card h3 {
    font-size: 1.18em;
    color: #1976d2;
    margin-top: 0;
    margin-bottom: 0.6em;
}
.z5c5f4service-card ul {
    margin: 0.7em 0 0.5em 1.1em;
    padding: 0;
    list-style: disc inside;
    color: #444;
    font-size: 0.98em;
}
.z5c5f4service-card li {
    margin-bottom: 0.2em;
}
.z5c5f4service-card p {
    margin: 0 0 0.5em 0;
    color: #333;
    font-size: 1em;
}
.z5c5f4service-highlight {
    background: linear-gradient(90deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
    font-weight: bold;
    border-radius: 6px;
    padding: 0.4em 1em;
    font-size: 0.98em;
    margin-top: 0.7em;
    align-self: flex-end;
    box-shadow: 0 1px 4px rgba(26,115,232,0.06);
}
.z5c5f4service-card:hover {
    box-shadow: 0 8px 24px rgba(26,115,232,0.16);
    border-color: #90caf9;
}
.z5c5f4advantages-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5em;
    padding: 0;
    list-style: none;
}
.z5c5f4advantages-list li {
    background: #e3f2fd;
    border-radius: 6px;
    padding: 1em 2em;
    font-size: 1.1em;
}
.z5c5f4process-steps {
    list-style: decimal inside;
    max-width: 600px;
    margin: 0 auto;
    padding-left: 0;
    font-size: 1.1em;
}
.z5c5f4contact-flex {
    display: flex;
    gap: 2em;
    justify-content: center;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-top: 1em;
}
.z5c5f4contact-info-card, .z5c5f4contact-form-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.08);
    border: 2px solid #e3f2fd;
    padding: 1.5em 1.2em 1.2em 1.2em;
    flex: 1 1 260px;
    min-width: 220px;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    margin-bottom: 0.5em;
    transition: box-shadow 0.2s, border-color 0.2s;
}
.z5c5f4contact-info-card h3, .z5c5f4contact-form-card h3 {
    font-size: 1.18em;
    color: #1976d2;
    margin-top: 0;
    margin-bottom: 0.7em;
}
.z5c5f4contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1em 0;
    color: #444;
    font-size: 1em;
}
.z5c5f4contact-info-list li {
    margin-bottom: 0.4em;
}
.z5c5f4contact-tip {
    background: #e3f2fd;
    color: #1976d2;
    border-radius: 6px;
    padding: 0.5em 1em;
    font-size: 0.98em;
    margin-top: 0.7em;
    align-self: flex-start;
}
.z5c5f4contact-form-card {
    align-items: stretch;
}
.z5c5f4form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5em;
}
input[type="text"],
input[type="tel"],
textarea {
    padding: 0.7em;
    border: 1px solid #bdbdbd;
    border-radius: 5px;
    font-size: 1em;
    background: #f9f9f9;
    resize: none;
}
.z5c5f4submit-btn {
    background: #1a73e8;
    color: #fff;
    border: none;
    border-radius: 30px;
    padding: 0.8em 0;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}
.z5c5f4submit-btn:hover {
    background: #1565c0;
}
.z5c5f4site-footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 1.2em 0;
    border-radius: 0 0 10px 10px;
    margin-top: 2em;
    font-size: 1em;
}
.z5c5f4subtitle {
    font-size: 1.1em;
    margin-bottom: 1em;
    color: #e3f2fd;
    letter-spacing: 1px;
}

/* FAQ 样式 */
.z5c5f4faq-section {
    margin-top: 2em;
}
.z5c5f4faq-list {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    justify-content: center;
}
.z5c5f4faq-item {
    background: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    padding: 1.2em 1.5em;
    flex: 1 1 300px;
    min-width: 260px;
    max-width: 400px;
}
.z5c5f4faq-item h3 {
    margin-top: 0;
    color: #1a73e8;
    font-size: 1.1em;
}

/* 客户评价样式 */
.z5c5f4testimonials-section {
    background: #f1f8fe;
}
.z5c5f4testimonials-list {
    display: flex;
    flex-wrap: wrap;
    gap: 2em;
    justify-content: center;
}
.z5c5f4testimonial-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    padding: 1.2em 1.5em;
    flex: 1 1 260px;
    min-width: 220px;
    max-width: 350px;
    font-style: italic;
    position: relative;
}
.z5c5f4testimonial-item span {
    display: block;
    margin-top: 1em;
    color: #888;
    font-size: 0.95em;
    font-style: normal;
}

/* 服务承诺样式 */
.z5c5f4commitment-section {
    background: #fffde7;
}
.z5c5f4commitment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2em;
    justify-content: center;
    list-style: none;
    padding: 0;
}
.z5c5f4commitment-list li {
    background: #fffde7;
    border: 1px solid #ffe082;
    border-radius: 6px;
    padding: 1em 2em;
    font-size: 1.05em;
}

/* 风险提示样式 */
.z5c5f4risk-section {
    background: #ffebee;
    border-radius: 10px;
    margin-top: 2em;
    text-align: center;
}
.z5c5f4risk-section h2 {
    color: #d32f2f;
}
.z5c5f4risk-section p {
    color: #b71c1c;
    font-weight: bold;
}

/* 合作伙伴样式 */
.z5c5f4partners-section {
    background: #f9fbe7;
}
.z5c5f4partners-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5em;
    justify-content: center;
    margin-top: 1em;
}
.z5c5f4partner-item {
    background: #fff;
    border: 1px solid #c5e1a5;
    border-radius: 6px;
    padding: 1em 2em;
    font-size: 1.05em;
    color: #558b2f;
}

/* 免责声明样式 */
.z5c5f4disclaimer {
    margin-top: 1em;
    font-size: 0.95em;
    color: #ffc107;
}

.z5c5f4hero-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2em;
}
.z5c5f4hero-content {
    flex: 1 1 0;
    min-width: 220px;
}
.z5c5f4hero-img-wrap {
    flex: 1 1 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 0;
}
.z5c5f4hero-img {
    max-width: 420px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(26,115,232,0.08);
    object-fit: cover;
}

.z5c5f4about-grid {
    display: flex;
    gap: 1.5em;
    justify-content: center;
    align-items: stretch;
    margin-top: 1em;
    flex-wrap: wrap;
}
.z5c5f4about-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border: none;
    padding: 1.5em 1.2em;
    flex: 1 1 260px;
    min-width: 220px;
    max-width: 340px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0.5em;
    transition: box-shadow 0.2s;
}
.z5c5f4about-card:hover {
    box-shadow: 0 8px 24px rgba(26,115,232,0.18);
}
.z5c5f4about-card h2 {
    font-size: 1.2em;
    color: #1a73e8;
    margin-top: 0;
    margin-bottom: 0.7em;
}

.z5c5f4services-title {
    text-align: center;
    color: #1a73e8;
    font-size: 2em;
    margin-bottom: 0.7em;
    margin-top: 0;
    letter-spacing: 2px;
    font-weight: bold;
}

.z5c5f4advantages-title {
    text-align: center;
    color: #1a73e8;
    font-size: 2em;
    margin-bottom: 0.7em;
    margin-top: 0;
    letter-spacing: 2px;
    font-weight: bold;
}
.z5c5f4advantages-grid {
    display: flex;
    gap: 1.5em;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    margin-top: 1em;
}
.z5c5f4advantage-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.08);
    border: 2px solid #e3f2fd;
    padding: 1.4em 1.1em 1.2em 1.1em;
    flex: 1 1 240px;
    min-width: 210px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0.5em;
    transition: box-shadow 0.2s, border-color 0.2s;
    position: relative;
}
.z5c5f4advantage-card h3 {
    font-size: 1.18em;
    color: #1976d2;
    margin-top: 0;
    margin-bottom: 0.6em;
}
.z5c5f4advantage-card ul {
    margin: 0.7em 0 0.5em 1.1em;
    padding: 0;
    list-style: disc inside;
    color: #444;
    font-size: 0.98em;
}
.z5c5f4advantage-card li {
    margin-bottom: 0.2em;
}
.z5c5f4advantage-card p {
    margin: 0 0 0.5em 0;
    color: #333;
    font-size: 1em;
}
.z5c5f4advantage-highlight {
    background: linear-gradient(90deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1976d2;
    font-weight: bold;
    border-radius: 6px;
    padding: 0.4em 1em;
    font-size: 0.98em;
    margin-top: 0.7em;
    align-self: flex-end;
    box-shadow: 0 1px 4px rgba(26,115,232,0.06);
}
.z5c5f4advantage-card:hover {
    box-shadow: 0 8px 24px rgba(26,115,232,0.16);
    border-color: #90caf9;
}

.z5c5f4process-title {
    text-align: center;
    color: #1a73e8;
    font-size: 2em;
    margin-bottom: 0.7em;
    margin-top: 0;
    letter-spacing: 2px;
    font-weight: bold;
}
.z5c5f4process-grid {
    display: flex;
    gap: 1.5em;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    margin-top: 1em;
}
.z5c5f4process-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.08);
    border: 2px solid #e3f2fd;
    padding: 1.4em 1.1em 1.2em 1.1em;
    flex: 1 1 200px;
    min-width: 180px;
    max-width: 260px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0.5em;
    transition: box-shadow 0.2s, border-color 0.2s;
    position: relative;
}
.z5c5f4process-card h3 {
    font-size: 1.1em;
    color: #1976d2;
    margin-top: 0.5em;
    margin-bottom: 0.6em;
}
.z5c5f4process-card p {
    margin: 0 0 0.5em 0;
    color: #333;
    font-size: 0.98em;
}
.z5c5f4process-step {
    width: 38px;
    height: 38px;
    background: linear-gradient(90deg, #1a73e8 0%, #4fc3f7 100%);
    color: #fff;
    font-size: 1.3em;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.7em;
    box-shadow: 0 2px 8px rgba(26,115,232,0.10);
}
.z5c5f4process-card:hover {
    box-shadow: 0 8px 24px rgba(26,115,232,0.16);
    border-color: #90caf9;
}

.z5c5f4risk-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 1em;
}
.z5c5f4risk-card {
    background: #fff3e0;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(255,152,0,0.10);
    border: 2px solid #ffe0b2;
    padding: 0.7em 0.7em;
    max-width: 700px;
    min-width: 220px;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 0.2em;
    transition: box-shadow 0.2s, border-color 0.2s;
    text-align: left;
    justify-content: flex-start;
    gap: 1.2em;
}
.z5c5f4risk-icon {
    font-size: 1.6em;
    color: #ff9800;
    margin-bottom: 0;
    flex-shrink: 0;
}
.z5c5f4risk-card h3 {
    color: #d32f2f;
    margin: 0 0 0.3em 0;
    font-size: 1em;
}
.z5c5f4risk-card p {
    color: #b71c1c;
    font-weight: bold;
    margin: 0 0 0.5em 0;
    font-size: 0.95em;
}
.z5c5f4risk-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    align-items: center;
    font-size: 0.96em;
}
.z5c5f4risk-list {
    list-style: disc inside;
    color: #b71c1c;
    padding: 0;
    margin: 0.3em 0 0 0;
    font-size: 0.95em;
    text-align: left;
}
.z5c5f4risk-list li {
    margin-bottom: 0.2em;
}

.z5c5f4partners-title {
    text-align: center;
    color: #1a73e8;
    font-size: 2em;
    margin-bottom: 0.7em;
    margin-top: 0;
    letter-spacing: 2px;
    font-weight: bold;
}
.z5c5f4partners-grid {
    display: flex;
    gap: 1.5em;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    margin-top: 1em;
}
.z5c5f4partner-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(76,175,80,0.08);
    border: 2px solid #c5e1a5;
    padding: 1.2em 1.1em;
    flex: 1 1 180px;
    min-width: 140px;
    max-width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0.5em;
    transition: box-shadow 0.2s, border-color 0.2s;
    text-align: center;
}
.z5c5f4partner-icon {
    font-size: 2.2em;
    margin-bottom: 0.5em;
}
.z5c5f4partner-name {
    color: #558b2f;
    font-size: 1.05em;
    font-weight: bold;
}
.z5c5f4partner-card:hover {
    box-shadow: 0 8px 24px rgba(76,175,80,0.16);
    border-color: #81c784;
}

@media (max-width: 900px) {
    .z5c5f4services-grid {
        flex-direction: column;
        gap: 0.5em;
        align-items: stretch;
    }
    .z5c5f4service-card {
        max-width: 100%;
    }
    .z5c5f4flex-between {
        flex-direction: column;
        gap: 1em;
    }
    .z5c5f4faq-list, .z5c5f4testimonials-list, .z5c5f4commitment-list, .z5c5f4partners-list {
        flex-direction: column;
        align-items: center;
    }
    .z5c5f4hero-flex {
        flex-direction: column;
        gap: 1.5em;
    }
    .z5c5f4hero-img-wrap {
        justify-content: center;
        margin-bottom: 1em;
    }
    .z5c5f4hero-img {
        max-width: 98vw;
        border-radius: 8px;
    }
    .z5c5f4about-grid {
        flex-direction: column;
        gap: 0.5em;
        align-items: stretch;
    }
    .z5c5f4about-card {
        max-width: 100%;
    }
    .z5c5f4advantages-grid {
        flex-direction: column;
        gap: 0.5em;
        align-items: stretch;
    }
    .z5c5f4advantage-card {
        max-width: 100%;
    }
    .z5c5f4process-grid {
        flex-direction: column;
        gap: 0.5em;
        align-items: stretch;
    }
    .z5c5f4process-card {
        max-width: 100%;
    }
    .z5c5f4contact-flex {
        flex-direction: column;
        gap: 0.5em;
        align-items: stretch;
    }
    .z5c5f4contact-info-card, .z5c5f4contact-form-card {
        max-width: 100%;
    }
    .z5c5f4risk-flex {
        flex-direction: column;
        align-items: center;
    }
    .z5c5f4risk-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        max-width: 100%;
        gap: 0.3em;
        padding: 0.7em 0.7em;
    }
    .z5c5f4risk-content {
        align-items: center;
        font-size: 0.96em;
    }
    .z5c5f4risk-icon {
        font-size: 1.6em;
    }
    .z5c5f4risk-card h3 {
        font-size: 1em;
    }
    .z5c5f4risk-card p, .z5c5f4risk-list {
        font-size: 0.95em;
    }
    .z5c5f4partners-grid {
        flex-direction: column;
        gap: 0.5em;
        align-items: stretch;
    }
    .z5c5f4partner-card {
        max-width: 100%;
    }
}
@media (max-width: 600px) {
    .z5c5f4container {
        padding: 0;
    }
    .z5c5f4service-card, .z5c5f4advantage-card, .z5c5f4process-card, .z5c5f4partner-card, .z5c5f4about-card, .z5c5f4contact-info-card, .z5c5f4contact-form-card, .z5c5f4risk-card {
        min-width: 0;
        max-width: 100%;
        box-sizing: border-box;
    }
    .z5c5f4hero-img, .z5c5f4partner-icon, img {
        max-width: 100%;
        height: auto;
    }
    .z5c5f4services-grid, .z5c5f4advantages-grid, .z5c5f4process-grid, .z5c5f4partners-grid, .z5c5f4about-grid, .z5c5f4contact-flex {
        gap: 0.3em;
    }
    .z5c5f4hero h1 {
        font-size: 1.5em;
    }
    section h2 {
        font-size: 1.3em;
    }
    .z5c5f4advantages-list li {
        font-size: 1em;
        padding: 0.7em 1em;
    }
    .z5c5f4service-item {
        padding: 1em;
    }
    .z5c5f4site-header, .z5c5f4site-footer {
        border-radius: 0;
    }
    .z5c5f4hero-img {
        max-width: 98vw;
        border-radius: 8px;
    }
}
html, body {
    overflow-x: hidden;
}

/* 导航栏汉堡菜单样式 */
.z5c5f4nav-toggle-label {
    display: none;
    cursor: pointer;
    width: 36px;
    height: 36px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 120;
}
.z5c5f4nav-toggle-label span {
    display: block;
    width: 28px;
    height: 4px;
    margin: 4px 0;
    background: #1a73e8;
    border-radius: 2px;
    transition: 0.3s;
}
@media (max-width: 900px) {
    .z5c5f4main-nav ul {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        padding: 0.5em 0 1em 0;
        display: none;
        z-index: 110;
    }
    .z5c5f4main-nav ul li {
        width: 100%;
        border-bottom: 1px solid #e3f2fd;
    }
    .z5c5f4main-nav ul li:last-child {
        border-bottom: none;
    }
    .z5c5f4main-nav ul li a {
        display: block;
        width: 100%;
        padding: 1em 1.5em;
        font-size: 1.1em;
    }
    .z5c5f4nav-toggle-label {
        display: flex;
    }
    .z5c5f4nav-toggle:checked + .z5c5f4nav-toggle-label span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .z5c5f4nav-toggle:checked + .z5c5f4nav-toggle-label span:nth-child(2) {
        opacity: 0;
    }
    .z5c5f4nav-toggle:checked + .z5c5f4nav-toggle-label span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    .z5c5f4nav-toggle:checked ~ ul {
        display: flex;
    }
    .z5c5f4main-nav {
        position: relative;
    }
}

/* ========== 导航栏目当前样式 ========== */
.z5c5f4main-nav li.z5c5f4this a,
.z5c5f4main-nav li.thisclass a {
    color: #1a73e8;
    font-weight: bold;
}
.z5c5f4logo a {
    color: #1a73e8;
    text-decoration: none;
}
.z5c5f4logo a:hover {
    color: #1565c0;
}

/* ========== 内页布局（列表/内容） ========== */
.z5c5f4page-wrap {
    background: #f7f8fa;
    padding-bottom: 24px;
}
.z5c5f4breadcrumb {
    padding: 14px 0 4px 0;
    font-size: 0.92rem;
    color: #666;
}
.z5c5f4breadcrumb a {
    color: #1a73e8;
    text-decoration: none;
}
.z5c5f4breadcrumb a:hover {
    text-decoration: underline;
}
.z5c5f4breadcrumb-sep {
    margin: 0 8px;
    color: #bbb;
}
.z5c5f4breadcrumb-current {
    color: #333;
}
.z5c5f4page-layout {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    margin: 12px auto 28px auto;
}
.z5c5f4page-main {
    flex: 1 1 0;
    min-width: 0;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 28px 24px;
}
.z5c5f4sidebar {
    flex: 0 0 280px;
    min-width: 240px;
}

/* ========== 侧栏 ========== */
.z5c5f4sidebar-block {
    background: #fff;
    border: 2px solid #e3f2fd;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.08);
    margin-bottom: 18px;
    overflow: hidden;
}
.z5c5f4sidebar-title {
    margin: 0;
    padding: 12px 14px;
    background: linear-gradient(90deg, #1a73e8 0%, #4fc3f7 100%);
    color: #fff;
    font-size: 1rem;
    text-align: center;
}
.z5c5f4sidebar-title a {
    color: #fff;
    text-decoration: none;
}
.z5c5f4sidebar-title a:hover {
    text-decoration: underline;
}
.z5c5f4sidebar-list {
    list-style: none;
    margin: 0;
    padding: 8px 10px;
}
.z5c5f4sidebar-item {
    border-bottom: 1px solid #e3f2fd;
    padding: 8px 0;
}
.z5c5f4sidebar-item:last-child {
    border-bottom: none;
}
.z5c5f4sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #333;
    font-size: 0.92rem;
    line-height: 1.4;
}
.z5c5f4sidebar-link:hover {
    color: #1a73e8;
}
.z5c5f4sidebar-thumb {
    flex: 0 0 56px;
    width: 56px;
    height: 42px;
    overflow: hidden;
    border-radius: 4px;
    background: #e3f2fd;
}
.z5c5f4sidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.z5c5f4sidebar-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ========== 内容页 ========== */
.z5c5f4article-header {
    border-bottom: 2px solid #e3f2fd;
    padding-bottom: 16px;
    margin-bottom: 20px;
}
.z5c5f4article-title {
    font-size: 1.6rem;
    color: #1a73e8;
    margin: 0 0 12px 0;
    line-height: 1.4;
}
.z5c5f4article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    font-size: 0.92rem;
    color: #666;
}
.z5c5f4article-meta a {
    color: #1a73e8;
    text-decoration: none;
}
.z5c5f4article-meta a:hover {
    text-decoration: underline;
}
.z5c5f4article-litpic {
    text-align: center;
    margin-bottom: 20px;
}
.z5c5f4article-litpic img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.10);
}
.z5c5f4article-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #333;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.z5c5f4article-body img {
    max-width: 100%;
    height: auto;
}
.z5c5f4diyfield {
    margin-top: 16px;
    padding: 12px;
    background: #f7f8fa;
    border-radius: 8px;
}
.z5c5f4article-images {
    margin-top: 20px;
}
.z5c5f4article-figure {
    margin: 0 0 16px 0;
    text-align: center;
}
.z5c5f4article-figure img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}
.z5c5f4article-figure figcaption {
    font-size: 0.9rem;
    color: #666;
    margin-top: 6px;
}
.z5c5f4meta-tags {
    list-style: none;
    padding: 0;
    margin: 24px 0 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.z5c5f4tagitem a {
    display: inline-block;
    padding: 4px 12px;
    background: #e3f2fd;
    color: #1a73e8;
    border-radius: 16px;
    font-size: 0.88rem;
    text-decoration: none;
}
.z5c5f4tagitem a:hover {
    background: #1a73e8;
    color: #fff;
}
.z5c5f4prenext {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #e3f2fd;
    font-size: 0.95rem;
}
.z5c5f4prenext-item {
    flex: 1;
    min-width: 0;
}
.z5c5f4prenext-item span {
    color: #888;
}
.z5c5f4prenext-pre {
    text-align: left;
}
.z5c5f4prenext-next {
    text-align: right;
}
.z5c5f4prenext a {
    color: #1a73e8;
    text-decoration: none;
}
.z5c5f4prenext a:hover {
    text-decoration: underline;
}
.z5c5f4related {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 2px solid #e3f2fd;
}
.z5c5f4related-title {
    font-size: 1.2rem;
    color: #1a73e8;
    margin: 0 0 16px 0;
}
.z5c5f4related-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.z5c5f4related-item {
    border-bottom: 1px solid #f0f0f0;
    padding: 12px 0;
}
.z5c5f4related-item:last-child {
    border-bottom: none;
}
.z5c5f4related-link {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: #333;
}
.z5c5f4related-link:hover strong {
    color: #1a73e8;
}
.z5c5f4related-thumb {
    flex: 0 0 80px;
    width: 80px;
    height: 60px;
    overflow: hidden;
    border-radius: 6px;
    background: #e3f2fd;
}
.z5c5f4related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.z5c5f4related-info {
    flex: 1;
    min-width: 0;
}
.z5c5f4related-info strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
}
.z5c5f4related-info p {
    margin: 0;
    font-size: 0.88rem;
    color: #666;
    line-height: 1.5;
}

/* ========== 列表页 ========== */
.z5c5f4list-header {
    border-bottom: 2px solid #e3f2fd;
    padding-bottom: 14px;
    margin-bottom: 20px;
}
.z5c5f4list-title {
    font-size: 1.5rem;
    color: #1a73e8;
    margin: 0 0 8px 0;
}
.z5c5f4list-desc {
    margin: 0;
    font-size: 0.95rem;
    color: #666;
}
.z5c5f4listbox {
    margin-bottom: 24px;
}
.z5c5f4list-items {
    list-style: none;
    padding: 0;
    margin: 0;
}
.z5c5f4list-item {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid #e3f2fd;
}
.z5c5f4list-item:last-child {
    border-bottom: none;
}
.z5c5f4list-thumb {
    flex: 0 0 160px;
    width: 160px;
    height: 110px;
    overflow: hidden;
    border-radius: 8px;
    background: #e3f2fd;
    display: block;
}
.z5c5f4list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.2s;
}
.z5c5f4list-thumb:hover img {
    transform: scale(1.05);
}
.z5c5f4list-info {
    flex: 1;
    min-width: 0;
}
.z5c5f4list-item-title {
    margin: 0 0 8px 0;
    font-size: 1.15rem;
}
.z5c5f4list-item-title a {
    color: #1a73e8;
    text-decoration: none;
}
.z5c5f4list-item-title a:hover {
    color: #1565c0;
    text-decoration: underline;
}
.z5c5f4list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 0.88rem;
    color: #888;
    margin-bottom: 8px;
}
.z5c5f4list-meta a {
    color: #1a73e8;
    text-decoration: none;
}
.z5c5f4list-intro {
    margin: 0;
    font-size: 0.95rem;
    color: #555;
    line-height: 1.6;
}

/* ========== 分页（左右布局） ========== */
.z5c5f4pagebar {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #e3f2fd;
}
.z5c5f4pagebar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.z5c5f4pagebar-left,
.z5c5f4pagebar-right {
    flex: 0 0 auto;
    min-width: 80px;
}
.z5c5f4pagebar-left {
    text-align: left;
}
.z5c5f4pagebar-right {
    text-align: right;
}
.z5c5f4pagebar-center {
    flex: 1;
    text-align: center;
}
.z5c5f4pagebar .pagelist,
.z5c5f4pagebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    justify-content: center;
}
.z5c5f4pagebar a,
.z5c5f4pagebar span {
    display: inline-block;
    padding: 6px 14px;
    border: 1px solid #bdbdbd;
    border-radius: 4px;
    color: #1a73e8;
    text-decoration: none;
    font-size: 0.92rem;
    background: #fff;
}
.z5c5f4pagebar a:hover {
    background: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}
.z5c5f4pagebar .thisclass,
.z5c5f4pagebar .thisclass a {
    background: #1a73e8;
    color: #fff;
    border-color: #1a73e8;
}

/* ========== 首页文章板块（5列×2行） ========== */
.z5c5f4articles-section {
    margin: 1.5em 0;
}
.z5c5f4articles-title {
    text-align: center;
    color: #1a73e8;
    font-size: 2em;
    margin: 0 0 1em 0;
    font-weight: bold;
}
.z5c5f4articles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.z5c5f4home-article-card {
    background: #fff;
    border: 2px solid #e3f2fd;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(26,115,232,0.08);
    overflow: hidden;
    transition: box-shadow 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
}
.z5c5f4home-article-card:hover {
    box-shadow: 0 8px 24px rgba(26,115,232,0.16);
    border-color: #90caf9;
}
.z5c5f4home-article-thumb {
    display: block;
    width: 100%;
    height: 130px;
    overflow: hidden;
    background: #e3f2fd;
}
.z5c5f4home-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.2s;
}
.z5c5f4home-article-card:hover .z5c5f4home-article-thumb img {
    transform: scale(1.05);
}
.z5c5f4home-article-title {
    margin: 0;
    padding: 10px 10px 12px 10px;
    text-align: center;
    font-size: 0.92rem;
    line-height: 1.4;
    font-weight: normal;
}
.z5c5f4home-article-title a {
    color: #1976d2;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.z5c5f4home-article-title a:hover {
    color: #1a73e8;
}
.z5c5f4home-article-card .intro,
.z5c5f4home-article-card p:not(.z5c5f4home-article-title) {
    display: none;
}

/* ========== 内页与文章板块移动端 ========== */
@media (max-width: 1100px) {
    .z5c5f4articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (max-width: 900px) {
    .z5c5f4page-layout {
        flex-direction: column;
    }
    .z5c5f4sidebar {
        flex: 1 1 auto;
        width: 100%;
        min-width: 0;
    }
    .z5c5f4articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .z5c5f4prenext {
        flex-direction: column;
    }
    .z5c5f4prenext-next {
        text-align: left;
    }
}
@media (max-width: 600px) {
    .z5c5f4page-main {
        padding: 18px 12px;
    }
    .z5c5f4article-title {
        font-size: 1.25rem;
    }
    .z5c5f4list-item {
        flex-direction: column;
    }
    .z5c5f4list-thumb {
        flex: none;
        width: 100%;
        height: 180px;
    }
    .z5c5f4articles-grid {
        grid-template-columns: 1fr;
    }
    .z5c5f4home-article-thumb {
        height: 180px;
    }
    .z5c5f4pagebar-inner {
        flex-direction: column;
        gap: 10px;
    }
    .z5c5f4pagebar-left,
    .z5c5f4pagebar-right,
    .z5c5f4pagebar-center {
        width: 100%;
        text-align: center;
    }
    .z5c5f4related-link {
        flex-direction: column;
    }
    .z5c5f4related-thumb {
        width: 100%;
        height: 140px;
    }
    .z5c5f4sidebar-thumb {
        flex: 0 0 48px;
        width: 48px;
        height: 36px;
    }
}