/* ============================================================
   Hanvon Signpad 官网共用样式
   适用于：产品详情页 / 产品系列页 / 行业解决方案页
   注意：Header 使用主站 style.css，本文件不包含 header 样式
   ============================================================ */

/* ---------- Reset（仅作用于 signpad 页面内容区） ---------- */
.signpad-page * {
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
    box-sizing: border-box;
}

/* ---------- 全局基础 ---------- */
.signpad-page {
    font-family: 'Open Sans', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    color: #787878;
    line-height: 24px;
    font-weight: 400;
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
}

.signpad-page a {
    text-decoration: none;
    color: #49c7ed;
    transition: all 0.3s ease;
}

.signpad-page a:hover {
    color: #222222;
}

.signpad-page h1,
.signpad-page h2,
.signpad-page h3,
.signpad-page h4,
.signpad-page h5,
.signpad-page h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2em;
    letter-spacing: -0.02em;
    color: #333333;
}

.signpad-page p {
    font-size: 16px;
    line-height: 25px;
    color: #777777;
    margin: 0;
}

.signpad-page img {
    display: inline-block;
    max-width: 100%;
    height: auto;
}

.signpad-page ul,
.signpad-page li {
    list-style: none;
    padding: 0;
    margin: 0;
}

.signpad-page .auto-container {
    max-width: 1200px;
    padding: 0 15px;
    margin: 0 auto;
    width: 100%;
}

/* ---------- 按钮 ---------- */
.signpad-page .btn-style-one {
    position: relative;
    display: inline-block;
    font-size: 14px;
    line-height: 30px;
    color: #ffffff;
    padding: 12px 35px;
    font-weight: 600;
    overflow: hidden;
    background-color: #49c7ed;
    border-radius: 0;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    border: 2px solid #49c7ed;
}

.signpad-page .btn-style-one:hover {
    background-color: #222222;
    border-color: #222222;
    color: #ffffff;
}

.signpad-page .btn-style-two {
    position: relative;
    display: inline-block;
    font-size: 14px;
    line-height: 26px;
    color: #49c7ed;
    padding: 12px 35px;
    font-weight: 600;
    overflow: hidden;
    border: 2px solid #49c7ed;
    background: transparent;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
}

.signpad-page .btn-style-two:hover {
    background-color: #49c7ed;
    color: #ffffff;
}

/* ---------- 页面标题 ---------- */
.signpad-page .page-title {
    position: relative;
    padding: 60px 0;
    background: #03274a;
    background-size: cover;
    background-position: center;
    text-align: left;
}

.signpad-page .page-title::before {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    content: '';
    background: linear-gradient(135deg, #03274a 0%, #0a3d6b 100%);
    opacity: 0.95;
}

.signpad-page .page-title .inner-container {
    position: relative;
    z-index: 2;
}

.signpad-page .page-title h1 {
    font-size: 38px;
    color: #ffffff;
    font-weight: 600;
    line-height: 1.2em;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.signpad-page .page-title .bread-crumb {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .page-title .bread-crumb li {
    position: relative;
    padding-right: 18px;
    color: rgba(255, 255, 255, 0.7);
}

.signpad-page .page-title .bread-crumb li::after {
    content: '/';
    position: absolute;
    right: 0;
    top: 0;
    color: rgba(255, 255, 255, 0.4);
}

.signpad-page .page-title .bread-crumb li:last-child::after {
    display: none;
}

.signpad-page .page-title .bread-crumb li a {
    color: rgba(255, 255, 255, 0.8);
}

.signpad-page .page-title .bread-crumb li a:hover {
    color: #49c7ed;
}

/* ---------- 区块标题 ---------- */
.signpad-page .sec-title {
    position: relative;
    margin-bottom: 50px;
}

.signpad-page .sec-title h2 {
    font-size: 32px;
    font-weight: 600;
    color: #333333;
    padding-bottom: 18px;
    position: relative;
    line-height: 1.2em;
}

.signpad-page .sec-title h2::before {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 3px;
    width: 50px;
    background-color: #49c7ed;
    content: '';
}

.signpad-page .sec-title.text-center h2::before {
    right: 0;
    margin: 0 auto;
}

.signpad-page .sec-title .text {
    font-size: 16px;
    line-height: 25px;
    color: #787878;
    margin-top: 22px;
}

/* ---------- 产品首屏 ---------- */
.signpad-page .product-hero {
    position: relative;
    padding: 80px 0 70px;
    background-color: #f8fafc;
    overflow: hidden;
}

.signpad-page .product-hero .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.signpad-page .product-hero .hero-text h2 {
    font-size: 36px;
    font-weight: 700;
    color: #03274a;
    line-height: 1.2em;
    margin-bottom: 16px;
}

.signpad-page .product-hero .hero-text h2 span {
    color: #49c7ed;
}

.signpad-page .product-hero .hero-text .sub-title {
    font-size: 17px;
    line-height: 1.6em;
    color: #555555;
    margin-bottom: 28px;
    font-weight: 400;
}

.signpad-page .product-hero .hero-text .hero-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 22px;
    margin-bottom: 32px;
}

.signpad-page .product-hero .hero-text .hero-features .feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: #333333;
    font-weight: 500;
    line-height: 1.4;
}

.signpad-page .product-hero .hero-text .hero-features .feature-item .icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    background-color: #49c7ed;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    margin-top: 2px;
}

.signpad-page .product-hero .hero-text .hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.signpad-page .product-hero .hero-image {
    position: relative;
    text-align: center;
}

.signpad-page .product-hero .hero-image img {
    max-width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.10));
}

/* ---------- 功能卡片 ---------- */
.signpad-page .features-section {
    padding: 90px 0 70px;
    background-color: #ffffff;
}

.signpad-page .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.signpad-page .feature-card {
    background: #ffffff;
    border: 1px solid #e8eef4;
    padding: 38px 30px 32px;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 0;
}

.signpad-page .feature-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    border-color: #49c7ed;
    transform: translateY(-4px);
}

.signpad-page .feature-card .icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #f0f7fc;
    margin-bottom: 22px;
    font-size: 28px;
    color: #49c7ed;
    border-radius: 0;
}

.signpad-page .feature-card h3 {
    font-size: 19px;
    font-weight: 600;
    color: #222222;
    margin-bottom: 12px;
}

.signpad-page .feature-card p {
    font-size: 15px;
    line-height: 1.7em;
    color: #777777;
    margin-bottom: 16px;
}

.signpad-page .feature-card ul {
    margin-top: 8px;
}

.signpad-page .feature-card ul li {
    position: relative;
    padding-left: 18px;
    font-size: 14px;
    line-height: 1.8em;
    color: #666666;
    margin-bottom: 2px;
}

.signpad-page .feature-card ul li::before {
    content: '•';
    position: absolute;
    left: 2px;
    color: #49c7ed;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.6;
}

/* ---------- 规格表 ---------- */
.signpad-page .specs-section {
    padding: 80px 0 70px;
    background-color: #f8fafc;
}

.signpad-page .specs-table-wrap {
    overflow-x: auto;
    border: 1px solid #e8eef4;
    background: #ffffff;
}

.signpad-page .specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
    min-width: 600px;
}

.signpad-page .specs-table thead {
    background-color: #03274a;
    color: #ffffff;
}

.signpad-page .specs-table thead th {
    padding: 16px 24px;
    text-align: left;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.02em;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .specs-table tbody tr {
    border-bottom: 1px solid #eef2f6;
    transition: background 0.2s ease;
}

.signpad-page .specs-table tbody tr:last-child {
    border-bottom: none;
}

.signpad-page .specs-table tbody tr:hover {
    background-color: #f5f9fd;
}

.signpad-page .specs-table td {
    padding: 14px 24px;
    color: #555555;
    vertical-align: top;
    line-height: 1.6em;
}

.signpad-page .specs-table td:first-child {
    font-weight: 600;
    color: #333333;
    width: 18%;
    white-space: nowrap;
}

.signpad-page .specs-table td:nth-child(2) {
    width: 42%;
    color: #222222;
    font-weight: 500;
}

.signpad-page .specs-table td:last-child {
    color: #777777;
    font-size: 14px;
}

/* ---------- 应用场景 ---------- */
.signpad-page .scenarios-section {
    padding: 90px 0 70px;
    background-color: #ffffff;
}

.signpad-page .scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}

.signpad-page .scenario-item {
    position: relative;
    background-color: #f8fafc;
    padding: 30px 28px 26px;
    border-left: 4px solid #49c7ed;
    transition: all 0.3s ease;
}

.signpad-page .scenario-item:hover {
    background-color: #f0f7fc;
    transform: translateX(4px);
}

.signpad-page .scenario-item h4 {
    font-size: 17px;
    font-weight: 600;
    color: #03274a;
    margin-bottom: 10px;
}

.signpad-page .scenario-item p {
    font-size: 15px;
    line-height: 1.7em;
    color: #666666;
    margin: 0;
}

.signpad-page .scenario-item p strong {
    color: #222222;
    font-weight: 600;
}

/* ---------- FAQ ---------- */
.signpad-page .faq-section {
    padding: 80px 0 70px;
    background-color: #f8fafc;
}

.signpad-page .faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.signpad-page .faq-item {
    background: #ffffff;
    border: 1px solid #e8eef4;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.signpad-page .faq-item:hover {
    border-color: #49c7ed;
}

.signpad-page .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    color: #222222;
    gap: 16px;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .faq-question .arrow {
    font-size: 20px;
    color: #49c7ed;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.signpad-page .faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}

.signpad-page .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 28px;
}

.signpad-page .faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 28px 22px;
}

.signpad-page .faq-answer p {
    font-size: 15px;
    line-height: 1.7em;
    color: #666666;
    margin: 0;
}

/* ---------- CTA ---------- */
.signpad-page .cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #03274a 0%, #0a3d6b 100%);
    position: relative;
    text-align: center;
}

.signpad-page .cta-section h2 {
    font-size: 34px;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2em;
}

.signpad-page .cta-section p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 34px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7em;
}

.signpad-page .cta-section .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.signpad-page .cta-section .btn-style-one {
    background-color: #49c7ed;
    border-color: #49c7ed;
    color: #ffffff;
    padding: 14px 42px;
    font-size: 15px;
}

.signpad-page .cta-section .btn-style-one:hover {
    background-color: #ffffff;
    border-color: #ffffff;
    color: #03274a;
}

.signpad-page .cta-section .btn-style-two {
    border-color: #ffffff;
    color: #ffffff;
    padding: 14px 42px;
    font-size: 15px;
}

.signpad-page .cta-section .btn-style-two:hover {
    background-color: #ffffff;
    color: #03274a;
    border-color: #ffffff;
}

/* ---------- 新版 Footer（独立类名，避免与主站冲突） ---------- */
.signpad-footer {
    background-color: #03274a;
    padding: 60px 0 0;
    font-family: 'Open Sans', 'Poppins', sans-serif;
}

.signpad-footer .auto-container {
    max-width: 1500px;
    padding: 0 15px;
    margin: 0 auto;
    width: 100%;
}

.signpad-footer .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1.2fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.signpad-footer .footer-col h4 {
    font-size: 16px;
    color: #ffffff;
    font-weight: 600;
    margin-bottom: 18px;
    font-family: 'Poppins', sans-serif;
}

.signpad-footer .footer-col p {
    font-size: 15px;
    line-height: 1.7em;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 14px;
}

.signpad-footer .footer-col ul li {
    margin-bottom: 10px;
    list-style: none;
}

.signpad-footer .footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 15px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.signpad-footer .footer-col ul li a:hover {
    color: #49c7ed;
}

.signpad-footer .footer-bottom {
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.signpad-footer .footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.50);
    margin: 0;
}

.signpad-footer .footer-bottom p a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
}

.signpad-footer .footer-bottom p a:hover {
    color: #49c7ed;
}

/* ---------- 产品系列页卡片 ---------- */
.signpad-page .products-section {
    padding: 90px 0 70px;
    background-color: #ffffff;
}

.signpad-page .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.signpad-page .product-card {
    background: #ffffff;
    border: 1px solid #e8eef4;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.signpad-page .product-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border-color: #49c7ed;
    transform: translateY(-4px);
}

.signpad-page .product-card .card-image {
    position: relative;
    background-color: #f8fafc;
    padding: 40px 30px;
    text-align: center;
    border-bottom: 1px solid #eef2f6;
}

.signpad-page .product-card .card-image img {
    max-width: 100%;
    height: 180px;
    object-fit: contain;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.08));
}

.signpad-page .product-card .card-body {
    padding: 26px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.signpad-page .product-card .card-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: #03274a;
    margin-bottom: 6px;
}

.signpad-page .product-card .card-body .sub-title {
    font-size: 14px;
    color: #49c7ed;
    font-weight: 600;
    margin-bottom: 14px;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .product-card .card-body .desc {
    font-size: 15px;
    line-height: 1.7em;
    color: #777777;
    margin-bottom: 18px;
    flex: 1;
}

.signpad-page .product-card .card-body .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.signpad-page .product-card .card-body .tags span {
    display: inline-block;
    font-size: 12px;
    line-height: 20px;
    padding: 3px 10px;
    background-color: #f0f7fc;
    color: #49c7ed;
    font-weight: 500;
    border-radius: 2px;
}

.signpad-page .product-card .card-body .card-link {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: #49c7ed;
    font-family: 'Poppins', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.signpad-page .product-card .card-body .card-link:hover {
    color: #03274a;
}

.signpad-page .category-title {
    position: relative;
    margin: 60px 0 30px;
    padding-bottom: 14px;
    border-bottom: 2px solid #eef2f6;
}

.signpad-page .category-title h3 {
    font-size: 22px;
    font-weight: 600;
    color: #03274a;
}

.signpad-page .category-title h3 span {
    color: #49c7ed;
}

/* ---------- 解决方案页：痛点卡片 ---------- */
.signpad-page .pain-section {
    padding: 90px 0 70px;
    background-color: #ffffff;
}

.signpad-page .pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.signpad-page .pain-card {
    background: #ffffff;
    border: 1px solid #e8eef4;
    padding: 38px 30px 32px;
    transition: all 0.3s ease;
    position: relative;
}

.signpad-page .pain-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    border-color: #49c7ed;
    transform: translateY(-4px);
}

.signpad-page .pain-card .icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #fef2f2;
    margin-bottom: 22px;
    font-size: 28px;
    color: #e74c3c;
}

.signpad-page .pain-card h3 {
    font-size: 19px;
    font-weight: 600;
    color: #222222;
    margin-bottom: 12px;
}

.signpad-page .pain-card p {
    font-size: 15px;
    line-height: 1.7em;
    color: #777777;
    margin-bottom: 16px;
}

/* ---------- 解决方案页：步骤 ---------- */
.signpad-page .solution-section {
    padding: 80px 0 70px;
    background-color: #f8fafc;
}

.signpad-page .solution-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}

.signpad-page .solution-step {
    position: relative;
    background: #ffffff;
    border: 1px solid #e8eef4;
    padding: 36px 26px 30px;
    transition: all 0.3s ease;
}

.signpad-page .solution-step:hover {
    border-color: #49c7ed;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.signpad-page .solution-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: -18px;
    left: 26px;
    width: 40px;
    height: 40px;
    background-color: #49c7ed;
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    line-height: 40px;
    text-align: center;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .solution-step h3 {
    font-size: 17px;
    font-weight: 600;
    color: #03274a;
    margin-bottom: 12px;
    margin-top: 8px;
}

.signpad-page .solution-step p {
    font-size: 15px;
    line-height: 1.7em;
    color: #777777;
    margin: 0;
}

/* ---------- 响应式：1023px ---------- */
@media only screen and (max-width: 1023px) {
    .signpad-page .product-hero .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .signpad-page .product-hero .hero-text h2 {
        font-size: 30px;
    }

    .signpad-page .features-grid,
    .signpad-page .scenarios-grid,
    .signpad-page .products-grid,
    .signpad-page .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .signpad-page .solution-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .signpad-page .page-title h1 {
        font-size: 32px;
    }

    .signpad-footer .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

/* ---------- 响应式：767px ---------- */
@media only screen and (max-width: 767px) {
    .signpad-page .page-title {
        padding: 44px 0;
    }

    .signpad-page .page-title h1 {
        font-size: 26px;
    }

    .signpad-page .product-hero {
        padding: 50px 0 45px;
    }

    .signpad-page .product-hero .hero-text h2 {
        font-size: 26px;
    }

    .signpad-page .product-hero .hero-text .hero-features {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .signpad-page .product-hero .hero-text .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .signpad-page .product-hero .hero-text .hero-cta .btn-style-one,
    .signpad-page .product-hero .hero-text .hero-cta .btn-style-two {
        text-align: center;
    }

    .signpad-page .sec-title h2 {
        font-size: 26px;
    }

    .signpad-page .features-section,
    .signpad-page .specs-section,
    .signpad-page .scenarios-section,
    .signpad-page .faq-section,
    .signpad-page .products-section,
    .signpad-page .pain-section,
    .signpad-page .solution-section {
        padding: 55px 0 45px;
    }

    .signpad-page .features-grid,
    .signpad-page .scenarios-grid,
    .signpad-page .products-grid,
    .signpad-page .pain-grid,
    .signpad-page .solution-steps {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .signpad-page .feature-card,
    .signpad-page .pain-card,
    .signpad-page .solution-step,
    .signpad-page .product-card .card-body {
        padding: 28px 22px 24px;
    }

    .signpad-page .product-card .card-image {
        padding: 30px 20px;
    }

    .signpad-page .product-card .card-image img {
        height: 150px;
    }

    .signpad-page .scenario-item {
        padding: 24px 20px 20px;
    }

    .signpad-page .faq-question {
        font-size: 15px;
        padding: 16px 20px;
    }

    .signpad-page .faq-answer {
        padding: 0 20px;
    }

    .signpad-page .faq-item.open .faq-answer {
        padding: 0 20px 18px;
    }

    .signpad-page .cta-section {
        padding: 55px 0;
    }

    .signpad-page .cta-section h2 {
        font-size: 26px;
    }

    .signpad-page .cta-section p {
        font-size: 15px;
    }

    .signpad-page .cta-section .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .signpad-page .cta-section .cta-buttons .btn-style-one,
    .signpad-page .cta-section .cta-buttons .btn-style-two {
        width: 100%;
        max-width: 320px;
        text-align: center;
    }

    .signpad-page .specs-table td,
    .signpad-page .specs-table thead th {
        padding: 12px 16px;
        font-size: 14px;
    }

    .signpad-page .specs-table td:first-child {
        width: 26%;
        white-space: normal;
    }

    .signpad-footer .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

/* ---------- 响应式：479px ---------- */
@media only screen and (max-width: 479px) {
    .signpad-page .product-hero .hero-text h2 {
        font-size: 22px;
    }

    .signpad-page .page-title h1 {
        font-size: 22px;
    }

    .signpad-page .sec-title h2 {
        font-size: 22px;
    }

    .signpad-page .cta-section h2 {
        font-size: 22px;
    }

    .signpad-page .feature-card h3 {
        font-size: 17px;
    }

    .signpad-page .scenario-item h4 {
        font-size: 16px;
    }

    .signpad-page .specs-table td,
    .signpad-page .specs-table thead th {
        padding: 10px 12px;
        font-size: 13px;
    }
}

/* ============================================================
   新闻详情页样式
   ============================================================ */

.signpad-page .news-detail-section {
    padding: 90px 0 70px;
    background-color: #ffffff;
}

.signpad-page .news-detail {
    max-width: 860px;
    margin: 0 auto 70px;
}

.signpad-page .news-detail-header {
    margin-bottom: 34px;
}

.signpad-page .news-detail-header .news-tag {
    display: inline-block;
    font-size: 12px;
    line-height: 20px;
    padding: 3px 12px;
    background-color: #f0f7fc;
    color: #49c7ed;
    font-weight: 600;
    margin-bottom: 16px;
    font-family: 'Poppins', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.signpad-page .news-detail-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: #03274a;
    line-height: 1.3em;
    margin-bottom: 18px;
}

.signpad-page .news-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 14px;
    color: #aaaaaa;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .news-detail-meta i {
    color: #49c7ed;
    margin-right: 6px;
}

.signpad-page .news-detail-image {
    margin-bottom: 34px;
    overflow: hidden;
}

.signpad-page .news-detail-image img {
    display: block;
    width: 100%;
    height: auto;
}

.signpad-page .news-detail-content {
    font-size: 16px;
    line-height: 1.8em;
    color: #555555;
}

.signpad-page .news-detail-content p {
    font-size: 16px;
    line-height: 1.8em;
    color: #555555;
    margin-bottom: 22px;
}

.signpad-page .news-detail-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #03274a;
    margin: 34px 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eef2f6;
}

.signpad-page .news-detail-content blockquote {
    position: relative;
    margin: 30px 0;
    padding: 24px 30px;
    background-color: #f0f7fc;
    border-left: 4px solid #49c7ed;
    font-size: 17px;
    line-height: 1.7em;
    color: #333333;
    font-style: italic;
}

.signpad-page .news-detail-content blockquote cite {
    display: block;
    margin-top: 12px;
    font-size: 14px;
    font-style: normal;
    color: #49c7ed;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .news-detail-list {
    margin-bottom: 22px;
}

.signpad-page .news-detail-list li {
    position: relative;
    padding-left: 22px;
    font-size: 16px;
    line-height: 1.9em;
    color: #555555;
}

.signpad-page .news-detail-list li::before {
    content: '•';
    position: absolute;
    left: 2px;
    color: #49c7ed;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.7;
}

.signpad-page .news-detail-content a {
    color: #49c7ed;
    text-decoration: underline;
}

.signpad-page .news-detail-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-top: 44px;
    padding-top: 24px;
    border-top: 1px solid #eef2f6;
}

.signpad-page .news-share {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #777777;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .news-share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: #f0f7fc;
    color: #49c7ed;
    transition: all 0.3s ease;
}

.signpad-page .news-share a:hover {
    background-color: #49c7ed;
    color: #ffffff;
}

.signpad-page .news-back a {
    font-size: 14px;
    font-weight: 600;
    color: #49c7ed;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .news-back a:hover {
    color: #03274a;
}

.signpad-page .news-back a i {
    margin-right: 6px;
}

.signpad-page .news-related {
    padding-top: 30px;
    border-top: 1px solid #eef2f6;
}

/* 响应式 */
@media only screen and (max-width: 767px) {
    .signpad-page .news-detail-section {
        padding: 55px 0 45px;
    }

    .signpad-page .news-detail-header h1 {
        font-size: 24px;
    }

    .signpad-page .news-detail-content h3 {
        font-size: 18px;
    }

    .signpad-page .news-detail-content blockquote {
        padding: 20px 22px;
        font-size: 16px;
    }

    .signpad-page .news-detail-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media only screen and (max-width: 479px) {
    .signpad-page .news-detail-header h1 {
        font-size: 21px;
    }
}

/* ============================================================
   新闻页样式
   ============================================================ */

.signpad-page .news-section {
    padding: 90px 0 70px;
    background-color: #ffffff;
}

.signpad-page .news-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
    justify-content: center;
}

.signpad-page .news-filter .filter-btn {
    display: inline-block;
    font-size: 14px;
    line-height: 24px;
    padding: 8px 22px;
    font-weight: 500;
    color: #333333;
    background-color: #f0f7fc;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .news-filter .filter-btn:hover,
.signpad-page .news-filter .filter-btn.active {
    background-color: #49c7ed;
    color: #ffffff;
}

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

.signpad-page .news-card {
    background: #ffffff;
    border: 1px solid #e8eef4;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.signpad-page .news-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border-color: #49c7ed;
    transform: translateY(-4px);
}

.signpad-page .news-card .news-image {
    position: relative;
    background-color: #f8fafc;
    overflow: hidden;
}

.signpad-page .news-card .news-image img {
    display: block;
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: all 0.3s ease;
}

.signpad-page .news-card:hover .news-image img {
    transform: scale(1.05);
}

.signpad-page .news-card .news-body {
    padding: 26px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.signpad-page .news-card .news-tag {
    display: inline-block;
    font-size: 12px;
    line-height: 20px;
    padding: 3px 10px;
    background-color: #f0f7fc;
    color: #49c7ed;
    font-weight: 600;
    margin-bottom: 12px;
    font-family: 'Poppins', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    align-self: flex-start;
}

.signpad-page .news-card .news-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: #222222;
    margin-bottom: 12px;
    line-height: 1.4em;
}

.signpad-page .news-card .news-body h3 a {
    color: #222222;
    transition: all 0.3s ease;
}

.signpad-page .news-card .news-body h3 a:hover {
    color: #49c7ed;
}

.signpad-page .news-card .news-body p {
    font-size: 15px;
    line-height: 1.7em;
    color: #777777;
    margin-bottom: 18px;
    flex: 1;
}

.signpad-page .news-card .news-meta {
    padding-top: 14px;
    border-top: 1px solid #eef2f6;
}

.signpad-page .news-card .news-meta span {
    font-size: 13px;
    color: #aaaaaa;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .news-card .news-meta span i {
    color: #49c7ed;
    margin-right: 5px;
}

.signpad-page .news-pagination {
    text-align: center;
}

.signpad-page .news-pagination ul {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.signpad-page .news-pagination ul li a {
    display: inline-block;
    min-width: 42px;
    height: 42px;
    line-height: 40px;
    text-align: center;
    padding: 0 12px;
    font-size: 14px;
    font-weight: 500;
    color: #333333;
    background-color: #ffffff;
    border: 1px solid #e8eef4;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.signpad-page .news-pagination ul li a:hover,
.signpad-page .news-pagination ul li.active a {
    background-color: #49c7ed;
    border-color: #49c7ed;
    color: #ffffff;
}

.signpad-page .news-pagination ul li.next a {
    padding: 0 20px;
}

/* 响应式 */
@media only screen and (max-width: 1023px) {
    .signpad-page .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media only screen and (max-width: 767px) {
    .signpad-page .news-section {
        padding: 55px 0 45px;
    }

    .signpad-page .news-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .signpad-page .news-filter {
        gap: 8px;
        margin-bottom: 30px;
    }

    .signpad-page .news-filter .filter-btn {
        font-size: 13px;
        padding: 6px 16px;
    }
}

@media only screen and (max-width: 479px) {
    .signpad-page .news-card .news-body {
        padding: 22px 20px 24px;
    }

    .signpad-page .news-card .news-body h3 {
        font-size: 16px;
    }
}