/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

.z15fddcontainer {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.z15fddheader {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.z15fddheader .z15fddcontainer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    position: relative;
    padding: 0 20px;
}

.z15fddlogo {
    font-size: 24px;
    color: #1a73e8;
    font-weight: bold;
}

.z15fddmenu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
    background: none;
    border: none;
}

.z15fddmenu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.z15fddmenu-toggle.z15fddactive span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.z15fddmenu-toggle.z15fddactive span:nth-child(2) {
    opacity: 0;
}

.z15fddmenu-toggle.z15fddactive span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.z15fddnav {
    display: flex;
    align-items: center;
}

.z15fddnav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.z15fddnav ul li {
    margin-left: 30px;
}

.z15fddnav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 16px;
    display: block;
    padding: 5px 0;
}

.z15fddnav ul li a:hover {
    color: #1a73e8;
}

/* 响应式导航样式 */
@media (max-width: 1200px) {
    .z15fddcontainer {
        max-width: 960px;
        padding: 0 15px;
    }

    .z15fddhero {
        padding: 140px 0 80px;
    }

    .z15fddhero-content h2 {
        font-size: 42px;
    }

    .z15fddhero-content p {
        font-size: 20px;
    }

    .z15fddservice-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z15fddadvantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .z15fddcontainer {
        max-width: 720px;
    }

    /* 导航栏 */
    .z15fddheader .z15fddcontainer {
        height: 70px;
    }

    .z15fddlogo {
        font-size: 22px;
    }

    .z15fddmenu-toggle {
        display: flex;
    }

    .z15fddnav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: #fff;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1);
        transition: all 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
        padding-top: 70px;
    }

    .z15fddnav.z15fddactive {
        right: 0;
    }

    .z15fddnav ul {
        flex-direction: column;
        padding: 0;
    }

    .z15fddnav ul li {
        margin: 0;
        border-bottom: 1px solid #eee;
    }

    .z15fddnav ul li:last-child {
        border-bottom: none;
    }

    .z15fddnav ul li a {
        padding: 15px 20px;
        font-size: 16px;
    }

    /* 英雄区域 */
    .z15fddhero {
        padding: 120px 0 60px;
    }

    .z15fddhero-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .z15fddhero-content {
        text-align: center;
        max-width: 600px;
        margin: 0 auto;
    }

    .z15fddhero-content h2 {
        font-size: 36px;
    }

    .z15fddhero-content p {
        font-size: 18px;
        margin-bottom: 30px;
    }

    .z15fddhero-features {
        justify-content: center;
        gap: 30px;
    }

    .z15fddhero-image {
        min-height: 300px;
        max-width: 500px;
        margin: 0 auto;
    }

    /* 服务区域 */
    .z15fddservice-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .z15fddadvantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 流程区域 */
    .z15fddprocess-wrapper {
        grid-template-columns: 1fr;
    }

    .z15fddprocess-steps {
        grid-template-columns: 1fr;
    }

    /* 特点区域 */
    .z15fddfeatures-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* FAQ区域 */
    .z15fddfaq-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 联系区域 */
    .z15fddcontact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z15fddcontact-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* 基础容器 */
    .z15fddcontainer {
        width: 100%;
        padding: 0 15px;
        overflow-x: hidden;
    }

    /* 导航栏 */
    .z15fddheader {
        position: fixed;
        width: 100%;
        top: 0;
        left: 0;
        z-index: 1000;
    }

    .z15fddheader .z15fddcontainer {
        height: 50px;
        padding: 0 15px;
    }

    .z15fddnav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 300px;
        height: 100vh;
        background: #fff;
        padding: 60px 20px 20px;
        transition: right 0.3s ease;
        overflow-y: auto;
        z-index: 999;
    }

    .z15fddnav.z15fddactive {
        right: 0;
    }

    .z15fddnav ul {
        flex-direction: column;
        padding: 0;
    }

    .z15fddnav ul li {
        margin: 0;
        width: 100%;
    }

    .z15fddnav ul li a {
        display: block;
        padding: 12px 15px;
        border-bottom: 1px solid #eee;
    }

    /* 英雄区域 */
    .z15fddhero {
        padding: 70px 0 40px;
        margin-top: 50px;
    }

    .z15fddhero-wrapper {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    .z15fddhero-content {
        width: 100%;
        text-align: center;
    }

    .z15fddhero-features {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .z15fddhero-feature-item {
        width: 100%;
        max-width: 300px;
    }

    .z15fddhero-image {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    /* 服务区域 */
    .z15fddservices {
        padding: 40px 0;
    }

    .z15fddservice-grid {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .z15fddservice-card {
        width: 100%;
        margin: 0;
    }

    /* 流程区域 */
    .z15fddprocess {
        padding: 40px 0;
    }

    .z15fddprocess-wrapper {
        display: flex;
        flex-direction: column;
        gap: 30px;
    }

    .z15fddprocess-steps {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .z15fddprocess-step {
        width: 100%;
    }

    /* 特点区域 */
    .z15fddfeatures {
        padding: 40px 0;
    }

    .z15fddfeatures-grid {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .z15fddfeature-card {
        width: 100%;
    }

    /* FAQ区域 */
    .z15fddfaq {
        padding: 40px 0;
    }

    .z15fddfaq-grid {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .z15fddfaq-card {
        width: 100%;
    }

    /* 联系区域 */
    .z15fddcontact {
        padding: 40px 0;
    }

    .z15fddcontact-grid {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .z15fddcontact-card {
        width: 100%;
    }

    .z15fddcontact-form-wrapper {
        width: 100%;
    }

    .z15fddform-group {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    /* 页脚 */
    .z15fddfooter {
        padding: 30px 0 15px;
    }

    .z15fddfooter-wrapper {
        display: flex;
        flex-direction: column;
        gap: 25px;
    }

    .z15fddfooter-info,
    .z15fddfooter-links,
    .z15fddfooter-contact {
        width: 100%;
    }
}

@media (max-width: 480px) {
    /* 基础容器 */
    .z15fddcontainer {
        padding: 0 10px;
    }

    /* 导航栏 */
    .z15fddheader .z15fddcontainer {
        height: 45px;
        padding: 0 10px;
    }

    .z15fddnav {
        width: 90%;
        padding: 55px 15px 15px;
    }

    /* 英雄区域 */
    .z15fddhero {
        padding: 60px 0 30px;
        margin-top: 45px;
    }

    .z15fddhero-content h2 {
        font-size: 24px;
    }

    .z15fddhero-content p {
        font-size: 14px;
    }

    .z15fddhero-feature-item {
        max-width: 100%;
    }

    /* 服务区域 */
    .z15fddservices {
        padding: 30px 0;
    }

    .z15fddservice-card {
        padding: 15px;
    }

    .z15fddservice-icon {
        height: 140px;
    }

    /* 流程区域 */
    .z15fddprocess {
        padding: 30px 0;
    }

    .z15fddprocess-step {
        padding: 15px;
    }

    /* 特点区域 */
    .z15fddfeatures {
        padding: 30px 0;
    }

    .z15fddfeature-card {
        padding: 15px;
    }

    /* FAQ区域 */
    .z15fddfaq {
        padding: 30px 0;
    }

    .z15fddfaq-card {
        padding: 15px;
    }

    /* 联系区域 */
    .z15fddcontact {
        padding: 30px 0;
    }

    .z15fddcontact-card {
        padding: 15px;
    }

    .z15fddcontact-form-wrapper {
        padding: 15px;
    }

    .z15fddform-group {
        gap: 10px;
    }

    /* 页脚 */
    .z15fddfooter {
        padding: 25px 0 12px;
    }

    .z15fddfooter-wrapper {
        gap: 20px;
    }
}

/* 防止页面滚动 */
body.z15fddnav-open {
    overflow: hidden;
}

/* 导航遮罩层 */
.z15fddnav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
}

.z15fddnav-overlay.z15fddactive {
    display: block;
}

/* 英雄区域样式 */
.z15fddhero {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    padding: 160px 0 100px;
    overflow: hidden;
}

.z15fddhero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.z15fddhero-content {
    text-align: left;
}

.z15fddhero-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.z15fddhero-content p {
    font-size: 24px;
    margin-bottom: 40px;
    line-height: 1.5;
}

.z15fddhero-features {
    display: flex;
    gap: 60px;
    margin-bottom: 40px;
}

.z15fddhero-feature-item {
    text-align: center;
}

.z15fddfeature-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
}

.z15fddfeature-text {
    font-size: 18px;
}

.z15fddhero-image {
    position: relative;
    height: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z15fddhero-image img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* 按钮样式 */
.z15fddbtn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    margin: 0 10px;
}

.z15fddbtn-primary {
    background-color: #fff;
    color: #1a73e8;
}

.z15fddbtn-secondary {
    background-color: transparent;
    border: 2px solid #fff;
    color: #fff;
}

.z15fddbtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 服务区域样式 */
.z15fddservices {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.z15fddsection-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: #1a73e8;
    position: relative;
    padding-bottom: 15px;
}

.z15fddsection-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #1a73e8;
    border-radius: 3px;
}

.z15fddservices-intro {
    text-align: center;
    margin-bottom: 50px;
}

.z15fddintro-text {
    font-size: 20px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.z15fddservice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.z15fddservice-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.z15fddservice-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z15fddservice-icon {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
}

.z15fddservice-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
    padding: 10px;
}

.z15fddservice-card:hover .z15fddservice-icon img {
    transform: scale(1.05);
}

.z15fddservice-overlay {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 1;
}

.z15fddservice-tag {
    background: rgba(26, 115, 232, 0.9);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.z15fddservice-content {
    padding: 30px;
}

.z15fddservice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.z15fddservice-header h3 {
    color: #1a73e8;
    font-size: 24px;
    margin: 0;
}

.z15fddservice-badge {
    background: #e8f0fe;
    color: #1a73e8;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 500;
}

.z15fddservice-desc {
    color: #666;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
}

.z15fddservice-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.z15fdddetail-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.z15fdddetail-label {
    color: #666;
    font-size: 14px;
}

.z15fdddetail-value {
    color: #1a73e8;
    font-weight: bold;
    font-size: 16px;
}

.z15fddservice-features {
    margin-bottom: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    padding: 15px;
}

.z15fddservice-features h4 {
    color: #1a73e8;
    margin-bottom: 12px;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.z15fddservice-features h4:before {
    content: "✓";
    color: #1a73e8;
    font-weight: bold;
}

.z15fddservice-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.z15fddservice-features ul li {
    display: flex;
    align-items: center;
    color: #666;
    font-size: 14px;
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.z15fddservice-features ul li:before {
    content: "•";
    position: absolute;
    left: 8px;
    color: #1a73e8;
    font-weight: bold;
}

.z15fddservice-cta {
    display: flex;
    gap: 15px;
}

.z15fddservice-cta .z15fddbtn {
    flex: 1;
    text-align: center;
    padding: 12px 20px;
    font-size: 16px;
}

.z15fddbtn-outline {
    background: transparent;
    border: 2px solid #1a73e8;
    color: #1a73e8;
}

.z15fddbtn-outline:hover {
    background: #1a73e8;
    color: #fff;
}

/* 服务优势样式 */
.z15fddservice-advantages {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid #eee;
}

.z15fddservice-advantages h3 {
    text-align: center;
    font-size: 32px;
    color: #333;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.z15fddservice-advantages h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #1a73e8;
    border-radius: 3px;
}

.z15fddadvantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.z15fddadvantage-item {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.z15fddadvantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z15fddadvantage-icon {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    padding: 25px;
    text-align: center;
    color: #fff;
}

.z15fddadvantage-icon .z15fddicon {
    font-size: 36px;
    display: block;
    margin-bottom: 10px;
}

.z15fddadvantage-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.z15fddadvantage-content h4 {
    color: #1a73e8;
    font-size: 20px;
    margin-bottom: 12px;
    font-weight: 600;
}

.z15fddadvantage-content p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.z15fddadvantage-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.z15fddadvantage-features li {
    color: #555;
    font-size: 14px;
    padding: 6px 0;
    padding-left: 22px;
    position: relative;
}

.z15fddadvantage-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #1a73e8;
    font-weight: bold;
}

/* 统计数据样式 */
.z15fddadvantages-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 15px;
    color: #fff;
}

.z15fddstat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.z15fddstat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.z15fddstat-number {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #fff;
}

.z15fddstat-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

/* 贷款流程样式 */
.z15fddprocess {
    padding: 100px 0;
    background-color: #fff;
}

.z15fddprocess-intro {
    text-align: center;
    margin-bottom: 50px;
}

.z15fddprocess-intro .z15fddintro-text {
    font-size: 20px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.z15fddprocess-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 60px;
}

.z15fddprocess-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.z15fddprocess-step {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    padding: 25px;
    position: relative;
    transition: all 0.3s ease;
}

.z15fddprocess-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z15fddstep-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
}

.z15fddstep-content h3 {
    color: #1a73e8;
    font-size: 20px;
    margin-bottom: 10px;
}

.z15fddstep-content p {
    color: #666;
    font-size: 15px;
    margin-bottom: 15px;
}

.z15fddstep-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z15fddstep-details li {
    display: flex;
    align-items: center;
    color: #555;
    font-size: 14px;
    margin-bottom: 10px;
}

.z15fddstep-icon {
    margin-right: 10px;
    font-size: 18px;
}

.z15fddprocess-image {
    position: relative;
    height: 100%;
    min-height: 400px;
    border-radius: 15px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z15fddprocess-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 15px;
    max-height: 500px;
}

.z15fddprocess-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(26, 115, 232, 0.9), rgba(13, 71, 161, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.z15fddprocess-image:hover .z15fddprocess-overlay {
    opacity: 1;
}

.z15fddoverlay-content {
    text-align: center;
    color: #fff;
    padding: 30px;
}

.z15fddoverlay-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.z15fddoverlay-content p {
    font-size: 16px;
    margin-bottom: 20px;
}

.z15fddoverlay-content .z15fddbtn {
    background: #fff;
    color: #1a73e8;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.z15fddoverlay-content .z15fddbtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.z15fddprocess-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.z15fddfeature-item {
    text-align: center;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.z15fddfeature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.z15fddfeature-icon {
    font-size: 32px;
    margin-bottom: 15px;
}

.z15fddfeature-item h4 {
    color: #1a73e8;
    font-size: 18px;
    margin-bottom: 10px;
}

.z15fddfeature-item p {
    color: #666;
    font-size: 14px;
}

/* 特点区域样式 */
.z15fddfeatures {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.z15fddfeatures-intro {
    text-align: center;
    margin-bottom: 50px;
}

.z15fddfeatures-intro .z15fddintro-text {
    font-size: 20px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.z15fddfeatures-wrapper {
    margin-bottom: 60px;
}

.z15fddfeatures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.z15fddfeature-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.z15fddfeature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z15fddfeature-icon {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    padding: 25px;
    text-align: center;
    color: #fff;
}

.z15fddfeature-icon .z15fddicon {
    font-size: 36px;
    display: block;
    margin-bottom: 10px;
}

.z15fddfeature-content {
    padding: 25px;
}

.z15fddfeature-content h3 {
    color: #1a73e8;
    font-size: 20px;
    margin-bottom: 10px;
}

.z15fddfeature-content p {
    color: #666;
    font-size: 15px;
    margin-bottom: 20px;
}

.z15fddfeature-details {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}

.z15fddfeature-details li {
    display: flex;
    align-items: center;
    color: #555;
    font-size: 14px;
    margin-bottom: 10px;
}

.z15fdddetail-icon {
    color: #1a73e8;
    margin-right: 10px;
    font-weight: bold;
}

.z15fddfeature-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.z15fddstat {
    text-align: center;
}

.z15fddstat-number {
    display: block;
    font-size: 24px;
    font-weight: bold;
    color: #1a73e8;
    margin-bottom: 5px;
}

.z15fddstat-label {
    font-size: 14px;
    color: #666;
}

.z15fddfeatures-highlight {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 15px;
    color: #fff;
}

.z15fddhighlight-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.z15fddhighlight-icon {
    font-size: 32px;
    background: rgba(255, 255, 255, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.z15fddhighlight-content h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.z15fddhighlight-content p {
    font-size: 14px;
    opacity: 0.9;
}

/* FAQ样式 */
.z15fddfaq {
    padding: 100px 0;
    background-color: #fff;
}

.z15fddfaq-intro {
    text-align: center;
    margin-bottom: 50px;
}

.z15fddfaq-intro .z15fddintro-text {
    font-size: 20px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.z15fddfaq-wrapper {
    margin-bottom: 60px;
}

.z15fddfaq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.z15fddfaq-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

.z15fddfaq-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z15fddfaq-header {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    padding: 20px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 15px;
}

.z15fddfaq-icon {
    font-size: 24px;
    background: rgba(255, 255, 255, 0.2);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.z15fddfaq-header h3 {
    color: #fff;
    font-size: 18px;
    margin: 0;
    flex: 1;
}

.z15fddfaq-content {
    padding: 20px;
}

.z15fddfaq-content p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.z15fddfaq-details {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z15fddfaq-details li {
    display: flex;
    align-items: center;
    color: #555;
    font-size: 14px;
    margin-bottom: 10px;
}

.z15fdddetail-icon {
    color: #1a73e8;
    margin-right: 10px;
    font-weight: bold;
}

.z15fddfaq-contact {
    margin-top: 50px;
}

.z15fddcontact-card {
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    border-radius: 15px;
    padding: 30px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.z15fddcontact-icon {
    font-size: 36px;
    background: rgba(255, 255, 255, 0.2);
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.z15fddcontact-content {
    flex: 1;
}

.z15fddcontact-content h4 {
    font-size: 24px;
    margin-bottom: 10px;
}

.z15fddcontact-content p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.z15fddcontact-content .z15fddbtn {
    background: #fff;
    color: #1a73e8;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.z15fddcontact-content .z15fddbtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 联系区域样式 */
.z15fddcontact {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.z15fddcontact-intro {
    text-align: center;
    margin-bottom: 50px;
}

.z15fddcontact-intro .z15fddintro-text {
    font-size: 20px;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.z15fddcontact-wrapper {
    margin-bottom: 60px;
}

.z15fddcontact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.z15fddcontact-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.z15fddcontact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z15fddcontact-icon {
    font-size: 36px;
    background: linear-gradient(135deg, #1a73e8, #0d47a1);
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
    color: #fff;
}

.z15fddcontact-content h3 {
    color: #1a73e8;
    font-size: 20px;
    margin-bottom: 10px;
}

.z15fddcontact-content p {
    color: #666;
    font-size: 16px;
    margin-bottom: 5px;
}

.z15fddcontact-time {
    color: #999;
    font-size: 14px;
}

.z15fddcontact-form-wrapper {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    padding: 40px;
}

.z15fddform-header {
    text-align: center;
    margin-bottom: 30px;
}

.z15fddform-header h3 {
    color: #1a73e8;
    font-size: 24px;
    margin-bottom: 10px;
}

.z15fddform-header p {
    color: #666;
    font-size: 16px;
}

.z15fddcontact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.z15fddform-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.z15fddform-group:last-child {
    grid-template-columns: 1fr;
}

.z15fddcontact-form input,
.z15fddcontact-form select,
.z15fddcontact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.z15fddcontact-form input:focus,
.z15fddcontact-form select:focus,
.z15fddcontact-form textarea:focus {
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
    outline: none;
}

.z15fddcontact-form textarea {
    height: 150px;
    resize: vertical;
}

.z15fddcontact-form button {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    border-radius: 8px;
}

.z15fddcontact-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.z15fddcontact-features .z15fddfeature-item {
    text-align: center;
    padding: 25px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.z15fddcontact-features .z15fddfeature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.z15fddcontact-features .z15fddfeature-icon {
    font-size: 32px;
    margin-bottom: 15px;
}

.z15fddcontact-features h4 {
    color: #1a73e8;
    font-size: 18px;
    margin-bottom: 10px;
}

.z15fddcontact-features p {
    color: #666;
    font-size: 14px;
}

/* 针对超小屏幕的优化 */
@media (max-width: 360px) {
    .z15fddcontainer {
        padding: 0 10px;
    }

    .z15fddcontact-card {
        padding: 15px;
    }

    .z15fddcontact-icon {
        width: 45px;
        height: 45px;
        font-size: 22px;
    }

    .z15fddcontact-content h3 {
        font-size: 15px;
    }

    .z15fddcontact-content p {
        font-size: 13px;
    }

    .z15fddcontact-form-wrapper {
        padding: 15px;
    }

    .z15fddform-header h3 {
        font-size: 16px;
    }

    .z15fddform-header p {
        font-size: 13px;
    }

    .z15fddcontact-form input,
    .z15fddcontact-form select,
    .z15fddcontact-form textarea {
        padding: 8px;
        font-size: 13px;
    }

    .z15fddcontact-form button {
        padding: 8px;
        font-size: 14px;
    }
}

/* 页脚样式 */
.z15fddfooter {
    background: #1a1a1a;
    color: #fff;
    padding: 30px 0 15px;
}

.z15fddfooter-wrapper {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.z15fddfooter-info {
    padding-right: 20px;
}

.z15fddfooter-logo {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 12px;
    display: block;
}

.z15fddfooter-desc {
    color: #999;
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.z15fddfooter-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z15fddfooter-contact li {
    display: flex;
    align-items: center;
    color: #999;
    font-size: 13px;
    margin-bottom: 6px;
}

.z15fddfooter-contact li i {
    margin-right: 8px;
    color: #1a73e8;
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.z15fddfooter-title {
    color: #fff;
    font-size: 15px;
    margin-bottom: 12px;
    font-weight: 600;
    position: relative;
    padding-bottom: 8px;
}

.z15fddfooter-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: #1a73e8;
}

.z15fddfooter-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z15fddfooter-links li {
    margin-bottom: 6px;
}

.z15fddfooter-links a {
    color: #999;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s;
    display: inline-block;
    padding: 2px 0;
}

.z15fddfooter-links a:hover {
    color: #1a73e8;
    transform: translateX(5px);
}

.z15fddfooter-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 12px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.z15fddfooter-bottom p {
    color: #999;
    font-size: 12px;
    margin: 0;
}

.z15fddfooter-social {
    display: flex;
    gap: 15px;
}

.z15fddfooter-social a {
    color: #999;
    font-size: 16px;
    transition: all 0.3s;
}

.z15fddfooter-social a:hover {
    color: #1a73e8;
    transform: translateY(-2px);
}

/* 页脚响应式样式 */
@media (max-width: 992px) {
    .z15fddfooter {
        padding: 25px 0 12px;
    }

    .z15fddfooter-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: 25px;
    }

    .z15fddfooter-info {
        grid-column: 1 / -1;
        padding-right: 0;
        text-align: center;
    }

    .z15fddfooter-logo {
        margin-bottom: 10px;
    }

    .z15fddfooter-desc {
        max-width: 500px;
        margin: 0 auto 12px;
    }

    .z15fddfooter-contact {
        justify-content: center;
    }

    .z15fddfooter-contact li {
        justify-content: center;
    }

    .z15fddfooter-title {
        text-align: center;
    }

    .z15fddfooter-title:after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .z15fddfooter {
        padding: 20px 0 10px;
    }

    .z15fddfooter-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .z15fddfooter-info {
        text-align: left;
    }

    .z15fddfooter-desc {
        margin: 0 0 12px;
    }

    .z15fddfooter-contact {
        justify-content: flex-start;
    }

    .z15fddfooter-contact li {
        justify-content: flex-start;
    }

    .z15fddfooter-title {
        text-align: left;
    }

    .z15fddfooter-title:after {
        left: 0;
        transform: none;
    }

    .z15fddfooter-bottom {
        flex-direction: column;
        text-align: center;
    }

    .z15fddfooter-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .z15fddfooter {
        padding: 15px 0 10px;
    }

    .z15fddfooter-wrapper {
        gap: 15px;
    }

    .z15fddfooter-logo {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .z15fddfooter-desc {
        font-size: 12px;
        margin-bottom: 10px;
    }

    .z15fddfooter-contact li {
        font-size: 12px;
        margin-bottom: 5px;
    }

    .z15fddfooter-title {
        font-size: 14px;
        margin-bottom: 10px;
        padding-bottom: 6px;
    }

    .z15fddfooter-links li {
        margin-bottom: 5px;
    }

    .z15fddfooter-links a {
        font-size: 12px;
    }

    .z15fddfooter-bottom {
        padding-top: 10px;
    }

    .z15fddfooter-bottom p {
        font-size: 11px;
    }

    .z15fddfooter-social {
        gap: 12px;
    }

    .z15fddfooter-social a {
        font-size: 14px;
    }
}

/* ========== 导航扩展 ========== */
.z15fddlogo a {
    color: #1a73e8;
    text-decoration: none;
}

.z15fddnav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    align-items: center;
}

.z15fddnav-item {
    margin-left: 24px;
}

.z15fddnav-item a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    white-space: nowrap;
    transition: color 0.3s;
}

.z15fddnav-item a:hover,
.z15fddnav-item.z15fddthis a {
    color: #1a73e8;
}

/* ========== 内页通用布局 ========== */
.z15fddpage-main {
    padding: 120px 0 80px;
    background: #f8f9fa;
    min-height: 60vh;
}

.z15fddbreadcrumb {
    font-size: 14px;
    color: #666;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.z15fddbreadcrumb a {
    color: #1a73e8;
    text-decoration: none;
}

.z15fddbreadcrumb a:hover {
    text-decoration: underline;
}

.z15fddbreadcrumb-sep {
    margin: 0 8px;
    color: #ccc;
}

.z15fddbreadcrumb-current {
    color: #333;
}

.z15fddpage-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    align-items: start;
}

.z15fddpage-content {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    padding: 35px;
}

.z15fddpage-head {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.z15fddpage-title {
    font-size: 28px;
    color: #1a73e8;
    margin-bottom: 10px;
    line-height: 1.3;
}

.z15fddpage-desc {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

/* ========== 列表页 ========== */
.z15fddlist-items {
    list-style: none;
    margin: 0;
    padding: 0;
}

.z15fddlist-item {
    display: flex;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid #eee;
}

.z15fddlist-item:last-child {
    border-bottom: none;
}

.z15fddlist-thumb {
    flex-shrink: 0;
    width: 220px;
    height: 150px;
    border-radius: 10px;
    overflow: hidden;
    display: block;
    background: #f0f0f0;
}

.z15fddlist-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.z15fddlist-thumb:hover img {
    transform: scale(1.05);
}

.z15fddlist-body {
    flex: 1;
    min-width: 0;
}

.z15fddlist-title {
    font-size: 20px;
    margin: 0 0 12px;
    line-height: 1.4;
}

.z15fddlist-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.z15fddlist-title a:hover {
    color: #1a73e8;
}

.z15fddlist-meta {
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
}

.z15fddlist-meta a {
    color: #1a73e8;
    text-decoration: none;
}

.z15fddlist-intro {
    color: #666;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.z15fddlist-more {
    color: #1a73e8;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
}

.z15fddlist-more:hover {
    text-decoration: underline;
}

/* 分页左右布局 */
.z15fddpagebar {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid #eee;
}

.z15fddpagebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.z15fddpagebar-prev,
.z15fddpagebar-next {
    flex: 0 0 auto;
    min-width: 100px;
}

.z15fddpagebar-prev {
    text-align: left;
}

.z15fddpagebar-next {
    text-align: right;
}

.z15fddpagebar-center {
    flex: 1;
    text-align: center;
}

.z15fddpagebar-center ul,
.z15fddpagebar-prev ul,
.z15fddpagebar-next ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: center;
}

.z15fddpagebar a,
.z15fddpagebar span {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 14px;
    text-decoration: none;
    color: #333;
    background: #f5f5f5;
    transition: all 0.3s;
}

.z15fddpagebar a:hover {
    background: #1a73e8;
    color: #fff;
}

/* ========== 内容页 ========== */
.z15fddarticle-title {
    font-size: 30px;
    color: #222;
    line-height: 1.4;
    margin-bottom: 16px;
}

.z15fddarticle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    font-size: 14px;
    color: #999;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 24px;
}

.z15fddarticle-meta a {
    color: #1a73e8;
    text-decoration: none;
}

.z15fddarticle-thumb {
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
    background: #f8f9fa;
}

.z15fddarticle-thumb img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.z15fddarticle-body {
    font-size: 16px;
    line-height: 1.9;
    color: #444;
    word-break: break-word;
}

.z15fddarticle-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 12px 0;
}

.z15fddarticle-body p {
    margin-bottom: 16px;
}

.z15fddarticle-gallery {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px dashed #eee;
}

.z15fddarticle-gallery p {
    margin-bottom: 20px;
}

.z15fddarticle-gallery img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.z15fddarticle-gallery span {
    display: block;
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}

.z15fdddiyfield {
    margin-top: 24px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.7;
}

.z15fddmeta-tags {
    list-style: none;
    margin: 24px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.z15fddtagitem a {
    display: inline-block;
    padding: 6px 14px;
    background: #e8f0fe;
    color: #1a73e8;
    border-radius: 20px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s;
}

.z15fddtagitem a:hover {
    background: #1a73e8;
    color: #fff;
}

.z15fddarticle-navlinks {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid #eee;
    font-size: 14px;
}

.z15fddarticle-prev,
.z15fddarticle-next {
    flex: 1;
    max-width: 48%;
}

.z15fddarticle-prev a,
.z15fddarticle-next a {
    color: #1a73e8;
    text-decoration: none;
}

.z15fddarticle-next {
    text-align: right;
}

.z15fddrelated {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #eee;
}

.z15fddrelated-title {
    font-size: 22px;
    color: #1a73e8;
    margin-bottom: 24px;
}

.z15fddrelated-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.z15fddrelated-item {
    background: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.z15fddrelated-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.z15fddrelated-thumb {
    display: block;
    height: 130px;
    overflow: hidden;
    background: #e0e0e0;
}

.z15fddrelated-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.z15fddrelated-body {
    padding: 14px;
}

.z15fddrelated-body h4 {
    font-size: 15px;
    margin: 0 0 8px;
    line-height: 1.4;
}

.z15fddrelated-body h4 a {
    color: #333;
    text-decoration: none;
}

.z15fddrelated-body h4 a:hover {
    color: #1a73e8;
}

.z15fddrelated-body p {
    font-size: 13px;
    color: #666;
    margin: 0;
    line-height: 1.5;
}

/* ========== 侧栏 ========== */
.z15fddsidebar {
    position: sticky;
    top: 100px;
}

.z15fddsidebar-box {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    padding: 22px;
    margin-bottom: 24px;
}

.z15fddsidebar-box:last-child {
    margin-bottom: 0;
}

.z15fddsidebar-title {
    font-size: 18px;
    color: #1a73e8;
    margin: 0 0 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e8f0fe;
}

.z15fddsidebar-title a {
    color: inherit;
    text-decoration: none;
}

.z15fddsidebar-title a:hover {
    opacity: 0.85;
}

.z15fddsidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 520px;
    overflow-y: auto;
}

.z15fddsidebar-item {
    border-bottom: 1px solid #f0f0f0;
}

.z15fddsidebar-item:last-child {
    border-bottom: none;
}

.z15fddsidebar-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    text-decoration: none;
    color: #444;
    font-size: 14px;
    line-height: 1.4;
    transition: color 0.3s;
}

.z15fddsidebar-item a:hover {
    color: #1a73e8;
}

.z15fddsidebar-thumb {
    flex-shrink: 0;
    width: 64px;
    height: 48px;
    border-radius: 6px;
    overflow: hidden;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z15fddsidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.z15fddsidebar-text {
    flex: 1;
    min-width: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 首页资讯板块 ========== */
.z15fddhome-articles {
    padding: 100px 0;
    background: #fff;
}

.z15fddhome-articles-intro {
    text-align: center;
    margin-bottom: 50px;
}

.z15fddhome-articles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.z15fddhome-article-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.z15fddhome-article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.z15fddhome-article-thumb {
    display: block;
    height: 140px;
    overflow: hidden;
    background: #f0f0f0;
}

.z15fddhome-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.z15fddhome-article-card:hover .z15fddhome-article-thumb img {
    transform: scale(1.06);
}

.z15fddhome-article-info {
    padding: 16px;
}

.z15fddhome-article-info h3 {
    font-size: 15px;
    margin: 0 0 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.z15fddhome-article-info h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.z15fddhome-article-info h3 a:hover {
    color: #1a73e8;
}

.z15fddhome-article-date {
    font-size: 12px;
    color: #999;
}

/* ========== 内页与资讯板块响应式 ========== */
@media (max-width: 1200px) {
    .z15fddhome-articles-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .z15fddpage-layout {
        grid-template-columns: 1fr 280px;
    }
}

@media (max-width: 992px) {
    .z15fddpage-main {
        padding: 100px 0 60px;
    }

    .z15fddpage-layout {
        grid-template-columns: 1fr;
    }

    .z15fddsidebar {
        position: static;
    }

    .z15fddhome-articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .z15fddnav-item {
        margin-left: 0;
    }

    .z15fddlist-item {
        flex-direction: column;
    }

    .z15fddlist-thumb {
        width: 100%;
        height: 200px;
    }

    .z15fddpagebar {
        flex-direction: column;
        align-items: stretch;
    }

    .z15fddpagebar-prev,
    .z15fddpagebar-next {
        text-align: center;
        min-width: auto;
    }

    .z15fddarticle-navlinks {
        flex-direction: column;
    }

    .z15fddarticle-prev,
    .z15fddarticle-next {
        max-width: 100%;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .z15fddpage-main {
        padding: 80px 0 40px;
    }

    .z15fddpage-content {
        padding: 22px 18px;
    }

    .z15fddpage-title,
    .z15fddarticle-title {
        font-size: 22px;
    }

    .z15fddhome-articles {
        padding: 50px 0;
    }

    .z15fddhome-articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .z15fddhome-article-thumb {
        height: 120px;
    }

    .z15fddrelated-list {
        grid-template-columns: 1fr 1fr;
    }

    .z15fddsidebar-list {
        max-height: 360px;
    }
}

@media (max-width: 480px) {
    .z15fddhome-articles-grid {
        grid-template-columns: 1fr;
    }

    .z15fddlist-thumb {
        height: 160px;
    }

    .z15fddrelated-list {
        grid-template-columns: 1fr;
    }

    .z15fddbreadcrumb {
        font-size: 12px;
    }
}