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

:root {
    --primary-red: #AD0800;
    --bg-white: #FFFFFF;
    --page-width: 1443px;
}

body {
    color: #131313;
    background: #fff;
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.knowledge-mobile-fixed-btn {
    display: none;
}

.knowledge-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
}

.knowledge-modal-overlay.active {
    display: flex;
}

.knowledge-modal-box {
    position: relative;
    width: 265px;
    overflow: visible;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.knowledge-modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 0;
    border-radius: 50%;
    color: #fff;
    background: rgba(255, 255, 255, 0.3);
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
}

.knowledge-modal-top {
    position: relative;
    height: 153px;
    padding: 21px 21px 0;
    overflow: hidden;
    border-radius: 16px 16px 0 0;
    background: #C62828;
}

.knowledge-modal-card-bg {
    position: absolute;
    inset: 0;
    width: 265px;
    height: 153px;
}

.knowledge-modal-title {
    position: relative;
    z-index: 1;
    margin-bottom: 8px;
    color: #fff;
    font-size: 20px;
}

.knowledge-modal-tip {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 14px;
    line-height: 1.4;
}

.knowledge-modal-qrcode-wrap {
    position: relative;
    z-index: 2;
    width: 190px;
    height: 189px;
    margin: -60px auto 0;
}

.knowledge-modal-qrcode-img {
    width: 190px;
    height: 189px;
    border-radius: 16px;
    object-fit: cover;
}

.knowledge-modal-bottom {
    padding: 15px 21px 20px;
    border-radius: 0 0 16px 16px;
    background: #fff;
    text-align: center;
}

.knowledge-modal-note {
    color: #131313;
    font-size: 14px;
    line-height: 1.5;
}

.header {
    background: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    filter: drop-shadow(0px 0px 11px rgba(215, 215, 215, 0.329));
}

.header-wrapper {
    display: flex;
    flex-direction: column;
}

.header-top-bar {
    display: none;
}

.header-nav-bar {
    max-width: var(--page-width);
    margin: 0 auto;
    padding: 7px 121px;
    display: flex;
    align-items: center;
    gap: 30px;
    width: 100%;
    background: var(--bg-white);
}

.logo {
    flex: 0 0 auto;
}

.logo img {
    height: 32px;
    width: auto;
    max-width: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
    margin-left: 100px;
    white-space: nowrap;
}

.nav-link {
    color: #000000;
    font-family: "PingFang SC", "PingFangSC-Regular", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    font-weight: 400;
    padding: 8px 0;
    white-space: nowrap;
}

.nav-link.active,
.nav-link:hover {
    color: var(--primary-red);
    font-weight: bold;
}

.nav-link.contact {
    color: #000000;
    font-weight: 400;
}

.nav-link.contact:hover,
.nav-link.contact.active {
    color: var(--primary-red);
    font-weight: bold;
}

.search-container {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.search-box {
    display: flex;
    align-items: center;
    width: 454px;
    height: 38px;
    padding: 2px;
    gap: 0;
    overflow: hidden;
    border-radius: 11px;
    background: linear-gradient(135deg, #ED6525 0%, #EA1D1D 24%, #B80D0D 100%);
}

.search-inner {
    flex: 1;
    min-width: 0;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
    border-radius: 10px;
    background: #fff;
}

.search-input {
    width: 376px;
    flex-shrink: 0;
    height: 100%;
    margin: 0;
    padding: 0 15px;
    border: none;
    border-radius: 10px;
    outline: none;
    color: #000;
    background: #FFFFFF;
    font-size: 14px;
}

.search-input::placeholder {
    color: #9F9B9B;
}

.search-btn {
    flex: 1;
    height: 100%;
    padding: 0;
    border: none;
    color: #FFFFFF;
    background: transparent;
    cursor: pointer;
    font-family: "PingFang SC", "PingFangSC-Regular", sans-serif;
    font-size: 15px;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
}

.mobile-logo {
    display: none;
}

.knowledge-page {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
    padding: 28px 0 72px;
}

.knowledge-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 26px;
    color: #999;
    font-size: 13px;
}

.knowledge-layout {
    display: grid;
    grid-template-columns: minmax(0, 790px) 320px;
    gap: 44px;
    align-items: start;
}

.knowledge-preview-banner {
    margin-bottom: 20px;
    padding: 10px 14px;
    border: 1px solid #ffd7c6;
    border-radius: 8px;
    color: #8a3d18;
    background: #fff8f4;
    font-size: 14px;
}

.knowledge-hero,
.knowledge-list-hero {
    padding-bottom: 28px;
    border-bottom: 1px solid #ad0800;
}

.knowledge-hero > span,
.knowledge-list-hero > span {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 4px 10px;
    border-radius: 6px;
    color: #8a3d18;
    background: #fff3ea;
    font-size: 13px;
}

.knowledge-hero h1,
.knowledge-list-hero h1 {
    max-width: 760px;
    margin-bottom: 16px;
    color: #000;
    font-size: 34px;
    line-height: 1.25;
}

.knowledge-page-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin: -4px 0 16px;
    color: #888;
    font-size: 13px;
}

.knowledge-page-meta span {
    display: inline-flex;
}

.knowledge-list-hero p {
    max-width: 980px;
    color: #555;
    font-size: 16px;
}

.knowledge-answer {
    padding: 18px 20px;
    border: 1px solid #ffe2d5;
    border-radius: 8px;
    background: #fffbf9;
}

.knowledge-answer strong {
    display: block;
    margin-bottom: 6px;
    color: #7c6f6a;
    font-size: 13px;
    font-weight: 600;
}

.knowledge-answer p {
    color: #333;
    font-size: 16px;
}

.knowledge-key-facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 16px;
}

.knowledge-key-facts li {
    list-style: none;
    padding: 10px 12px;
    border-radius: 6px;
    color: #5c2a16;
    background: #fff3ea;
    font-size: 14px;
    line-height: 1.55;
}

.knowledge-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.knowledge-tags span {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 6px;
    color: #8a3d18;
    background: #fff3ea;
    font-size: 13px;
}

.knowledge-section {
    padding: 32px 0;
    border-bottom: 1px solid #f1e8e4;
}

.knowledge-section h2 {
    margin-bottom: 14px;
    color: #000;
    font-size: 24px;
    line-height: 1.35;
}

.knowledge-lead {
    color: #555;
    font-size: 16px;
}

.knowledge-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.knowledge-card {
    min-height: 128px;
    padding: 18px;
    border: 1px solid #ffece4;
    border-radius: 8px;
    background: #fffdfc;
}

.knowledge-card span {
    color: #ad0800;
    font-size: 13px;
    font-weight: 650;
}

.knowledge-card h3 {
    margin: 8px 0;
    color: #000;
    font-size: 17px;
    line-height: 1.4;
}

.knowledge-card p,
.knowledge-note p,
.knowledge-side-card p {
    color: #666;
    font-size: 14px;
}

.knowledge-note-list {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.knowledge-note {
    padding: 14px 16px;
    border-left: 3px solid #ad0800;
    background: #fffbf9;
}

.knowledge-note strong {
    display: block;
    color: #000;
    font-size: 15px;
}

.knowledge-table-wrap {
    margin-top: 18px;
    overflow-x: auto;
    border: 1px solid #ffe2d5;
    border-radius: 8px;
}

.knowledge-compare-table {
    width: 100%;
    border-collapse: collapse;
}

.knowledge-compare-table th,
.knowledge-compare-table td {
    padding: 14px 16px;
    border-bottom: 1px solid #ffece4;
    text-align: left;
    vertical-align: top;
    font-size: 14px;
}

.knowledge-compare-table th {
    color: #8a3d18;
    background: #fff3ea;
    font-weight: 650;
}

.knowledge-compare-table tr:last-child td {
    border-bottom: 0;
}

.knowledge-faq {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.knowledge-faq details {
    padding: 16px 18px;
    border: 1px solid #ffece4;
    border-radius: 8px;
    background: #fffdfc;
}

.knowledge-faq summary {
    color: #000;
    cursor: pointer;
    font-size: 16px;
    font-weight: 650;
}

.knowledge-faq p {
    margin-top: 10px;
    color: #666;
    font-size: 14px;
}

.knowledge-sidebar {
    position: sticky;
    top: 86px;
    display: grid;
    gap: 16px;
}

.knowledge-side-card {
    padding: 18px;
    border: 1px solid #ffe2d5;
    border-radius: 8px;
    background: #fffdfc;
}

.knowledge-side-card h2 {
    margin-bottom: 12px;
    color: #000;
    font-size: 17px;
}

.knowledge-toc {
    display: grid;
    gap: 8px;
}

.knowledge-toc a {
    padding: 8px 10px;
    border-radius: 6px;
    color: #666;
    font-size: 14px;
}

.knowledge-toc a:hover {
    color: #ad0800;
    background: #fff3ea;
}

.knowledge-side-links {
    display: grid;
    gap: 10px;
}

.knowledge-side-links a {
    display: block;
    padding-bottom: 10px;
    border-bottom: 1px solid #f3e8e2;
}

.knowledge-side-links a:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.knowledge-side-links span {
    display: block;
    margin-bottom: 3px;
    color: #ad0800;
    font-size: 12px;
}

.knowledge-side-links strong,
.knowledge-side-links .knowledge-side-link-title {
    display: block;
    margin-bottom: 0;
    color: #333;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.45;
    transition: color 0.18s ease;
}

.knowledge-side-links a:hover strong,
.knowledge-side-links a:hover .knowledge-side-link-title {
    color: #ec1818;
}

.knowledge-side-card .knowledge-side-links a:hover strong,
.knowledge-side-card .knowledge-side-links a:hover .knowledge-side-link-title {
    color: #ec1818;
}

.knowledge-cluster-list {
    display: grid;
    gap: 28px;
    margin-top: 28px;
}

.knowledge-cluster {
    padding: 24px 0 28px;
    border-bottom: 1px solid #f1e8e4;
}

.knowledge-cluster:last-child {
    border-bottom: 0;
}

.knowledge-cluster-head {
    max-width: 820px;
    margin-bottom: 16px;
}

.knowledge-cluster-head span {
    display: inline-flex;
    margin-bottom: 8px;
    padding: 4px 9px;
    border-radius: 6px;
    color: #8a3d18;
    background: #fff3ea;
    font-size: 13px;
}

.knowledge-cluster-head h2 {
    margin-bottom: 8px;
    color: #000;
    font-size: 24px;
    line-height: 1.35;
}

.knowledge-cluster-head p {
    color: #555;
    font-size: 15px;
}

.knowledge-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.knowledge-list-card,
.knowledge-empty {
    min-height: 180px;
    padding: 20px;
    border: 1px solid #ffece4;
    border-radius: 8px;
    background: #fffdfc;
}

.knowledge-list-card span {
    display: inline-flex;
    margin-bottom: 10px;
    color: #ad0800;
    font-size: 13px;
}

.knowledge-list-card h2,
.knowledge-list-card h3,
.knowledge-empty h2 {
    margin-bottom: 10px;
    color: #000;
    font-size: 19px;
    line-height: 1.35;
}

.knowledge-list-card h3 a {
    color: #000;
    transition: color 0.18s ease;
}

.knowledge-list-card h3 a:hover {
    color: #ec1818;
}

.knowledge-list-card p,
.knowledge-empty p {
    color: #666;
    font-size: 14px;
}

.knowledge-empty {
    grid-column: 1 / -1;
}

.knowledge-empty a {
    display: inline-flex;
    margin-top: 16px;
    color: #ad0800;
    font-weight: 650;
}

.knowledge-related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.knowledge-related-card {
    display: block;
    min-height: 154px;
    padding: 18px;
    border: 1px solid #ffece4;
    border-radius: 8px;
    background: #fffdfc;
}

.knowledge-related-card span {
    display: inline-flex;
    margin-bottom: 8px;
    color: #ad0800;
    font-size: 13px;
}

.knowledge-related-card strong {
    display: block;
    color: #000;
    font-size: 17px;
    line-height: 1.4;
    transition: color 0.18s ease;
}

.knowledge-related-card:hover strong {
    color: #ec1818;
}

.knowledge-related-card p {
    margin-top: 8px;
    color: #666;
    font-size: 14px;
}

.knowledge-learning-path-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.knowledge-learning-path-card {
    position: relative;
    display: flex;
    min-height: 150px;
    flex-direction: column;
    justify-content: center;
    gap: 9px;
    padding: 18px;
    border: 1px solid #ffece4;
    border-radius: 8px;
    background: #fffdfc;
    color: inherit;
}

.knowledge-learning-path-card::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 18px;
    width: 26px;
    height: 3px;
    border-radius: 3px;
    background: #ad0800;
}

.knowledge-learning-path-card strong {
    display: block;
    padding-top: 12px;
    color: #000;
    font-size: 17px;
    line-height: 1.4;
    transition: color 0.18s ease;
}

.knowledge-learning-path-card p {
    margin-top: 0;
    color: #666;
    font-size: 14px;
    line-height: 1.7;
}

.knowledge-learning-path-card:hover {
    background: #fff8f5;
    border-color: #ffd8cc;
}

.knowledge-learning-path-card:hover strong {
    color: #ec1818;
}

.knowledge-tool-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.knowledge-tool-card {
    display: flex;
    min-height: 150px;
    flex-direction: column;
    padding: 18px;
    border: 1px solid #ffece4;
    border-radius: 8px;
    background: #fffdfc;
    color: inherit;
}

.knowledge-tool-card span {
    color: #ad0800;
    font-size: 13px;
    font-weight: 650;
}

.knowledge-tool-card strong {
    display: block;
    margin-top: 10px;
    color: #000;
    font-size: 17px;
    line-height: 1.4;
    transition: color 0.18s ease;
}

.knowledge-tool-card p {
    margin: auto 0 0;
    padding-top: 12px;
    color: #666;
    font-size: 14px;
    line-height: 1.7;
}

.knowledge-tool-card:hover {
    background: #fff8f5;
    border-color: #ffd8cc;
}

.knowledge-tool-card:hover strong {
    color: #ec1818;
}

.footer {
    margin-top: 40px;
    padding: 50px 0 30px;
    background: #000;
}

.footer-content {
    max-width: 1443px;
    margin: 0 auto;
    padding: 0 121px;
}

.footer-intro {
    margin-bottom: 15px;
}

.footer-intro p {
    margin: 0;
    color: #7d7d7d;
    font-size: 14px;
    line-height: 1.8;
}

.footer-divider {
    width: 100%;
    height: 1px;
    margin-bottom: 20px;
    background: #333;
}

.footer-section-block {
    margin-bottom: 20px;
}

.footer-section-title {
    margin: 0 0 12px;
    color: #908f8f;
    font-size: 14px;
    font-weight: 700;
}

.footer-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}

.footer-tag {
    margin-right: 30px;
    margin-bottom: 8px;
    color: #908f8f;
    cursor: pointer;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-tag:hover {
    color: #fff;
}

.footer-desc {
    margin: 0 0 8px;
    color: #908f8f;
    font-size: 13px;
    line-height: 1.8;
}

.footer-bottom {
    max-width: 1443px;
    margin: 0 auto;
    padding-top: 20px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 23px;
}

.footer-bottom p {
    margin: 0;
    color: #7d7d7d;
    font-size: 14px;
}

.footer-copyright,
.footer-beian {
    text-align: left;
}

.footer-beian {
    white-space: nowrap;
}

.beian-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin: 0 4px;
    vertical-align: middle;
}

@media (min-width: 769px) and (max-width: 1420px) {
    .header-nav-bar {
        padding-right: 48px;
        padding-left: 48px;
        gap: 24px;
    }

    .nav-menu {
        gap: 24px;
        margin-left: 40px;
    }

    .pc-search {
        min-width: 0;
        flex: 0 1 454px;
    }

    .pc-search .search-box {
        width: 454px;
        min-width: 0;
    }

    .pc-search .search-input {
        width: 376px;
        min-width: 0;
    }
}

@media (min-width: 769px) and (max-width: 1320px) {
    .header-nav-bar {
        padding-right: 32px;
        padding-left: 32px;
    }

    .nav-menu {
        gap: 20px;
        margin-left: 28px;
    }

    .pc-search {
        flex-basis: 360px;
    }

    .pc-search .search-box {
        width: 360px;
    }

    .pc-search .search-input {
        width: auto;
        flex: 1;
    }
}

@media (max-width: 980px) {
    .header-nav-bar {
        padding-right: 24px;
        padding-left: 24px;
        gap: 20px;
    }

    .nav-menu {
        gap: 22px;
        margin-left: 24px;
    }

    .pc-search {
        display: none;
    }
}

@media (max-width: 768px) {
    .knowledge-page {
        width: calc(100% - 32px);
    }

    .knowledge-layout {
        display: block;
    }

    .knowledge-hero h1,
    .knowledge-list-hero h1 {
        font-size: 27px;
    }

    .knowledge-answer p,
    .knowledge-lead {
        font-size: 15px;
    }

    .knowledge-card-grid,
    .knowledge-key-facts,
    .knowledge-list,
    .knowledge-related-grid,
    .knowledge-learning-path-grid,
    .knowledge-tool-grid {
        grid-template-columns: 1fr;
    }

    .knowledge-learning-path-card,
    .knowledge-tool-card {
        min-height: 0;
        padding: 16px;
    }

    .knowledge-learning-path-card::before {
        top: 16px;
        left: 16px;
    }

    .knowledge-sidebar {
        position: static;
        margin-top: 28px;
    }

    .knowledge-compare-table {
        min-width: 620px;
    }

    .footer {
        margin-top: 30px;
        padding: 30px 0 0;
    }

    .footer-content {
        padding-right: 13px;
        padding-left: 13px;
    }

    .footer-section-title {
        margin-bottom: 10px;
        font-size: 13px;
    }

    .footer-tag {
        width: auto;
        margin-right: 18px;
        margin-bottom: 10px;
        font-size: 13px;
    }

    .footer-tags-hot .footer-tag {
        width: auto;
    }

    .footer-intro p,
    .footer-desc {
        font-size: 13px;
    }

    .footer-section-block {
        margin-bottom: 16px;
    }

    .footer-bottom {
        padding-top: 10px;
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .footer-divider {
        margin-bottom: 12px;
    }

    .footer-bottom p {
        margin-bottom: 4px;
        text-align: center;
        font-size: 13px;
    }

    .footer-copyright,
    .footer-beian {
        text-align: center;
        white-space: normal;
    }

    .beian-icon {
        margin: 0 2px;
    }
}

@media (max-width: 760px) {
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        padding: 0;
        margin: 0;
        box-shadow: none;
    }

    .header-wrapper {
        width: 100%;
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    .header-top-bar {
        display: flex;
        align-items: center;
        width: 100%;
        padding: 8px 10px;
        box-sizing: border-box;
        background: #FFFFFF;
    }

    .search-container {
        display: flex;
        flex: 1;
        width: 100%;
    }

    .search-box {
        width: 100%;
        height: 44px;
        display: flex;
        align-items: center;
        padding: 2px;
        gap: 0;
        overflow: hidden;
        border-radius: 13px;
        background: linear-gradient(135deg, #b80d0d 0%, #ea1d1d 85%, #ed6525 100%);
    }

    .search-inner {
        flex: 1;
        display: flex;
        align-items: center;
        height: 100%;
        min-width: 0;
        padding: 0 8px;
        gap: 6px;
        overflow: hidden;
        border-radius: 11px;
        background: #FFFFFF;
    }

    .mobile-logo {
        display: block;
        width: 20px;
        height: 20px;
        flex-shrink: 0;
        border-radius: 4px;
        object-fit: cover;
    }

    .search-input {
        flex: 1;
        min-width: 0;
        width: auto;
        height: 100%;
        padding: 0;
        border: none;
        outline: none;
        color: #000;
        background: transparent;
        font-size: 16px;
    }

    .search-input::placeholder {
        color: #C2BFBF;
        font-size: 16px;
    }

    .search-btn {
        flex: 0 0 68px;
        height: 100%;
        padding: 0;
        color: #fff;
        background: transparent;
        font-size: 13px;
        font-weight: 400;
        text-align: center;
        white-space: nowrap;
    }

    .pc-search {
        display: none;
    }

    .header-nav-bar {
        min-height: auto;
        max-width: 100%;
        width: 100%;
        margin: 0;
        padding: 0 13px;
        gap: 0;
        justify-content: flex-start;
        box-sizing: border-box;
    }

    .logo {
        display: none;
    }

    .nav-menu {
        display: flex;
        flex-direction: row;
        position: static;
        width: 100%;
        flex-shrink: 0;
        justify-content: space-between;
        gap: 0;
        margin-left: 0;
        padding: 0;
        overflow-x: auto;
        box-shadow: none;
        scrollbar-width: none;
    }

    .nav-menu::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        flex: 0 0 auto;
        padding: 10px 0;
        margin-right: 0;
        color: #000000;
        font-size: 15px;
        font-weight: 400;
        white-space: nowrap;
    }

    .nav-link.active,
    .nav-link:hover {
        color: var(--primary-red);
        font-weight: bold;
    }

    .knowledge-page {
        margin-top: 92px;
    }

    .knowledge-mobile-fixed-btn {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        padding: 8px 15px;
        gap: 4px;
        overflow: hidden;
        border: 0;
        background: #fff;
        font-family: "PingFang SC", "PingFangSC-Regular", sans-serif;
        cursor: pointer;
    }

    .knowledge-mobile-fixed-btn .fixed-btn-m {
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 0;
        height: 31px;
        padding: 0 15px;
        gap: 4px;
        border-radius: 8px;
        background: linear-gradient(135deg, #f26a21 0%, #fb0000 100%);
    }

    .knowledge-mobile-fixed-btn .fixed-btn-text,
    .knowledge-mobile-fixed-btn .fixed-btn-link {
        color: #fff;
        font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
        font-size: 14px;
        font-weight: 400;
        white-space: nowrap;
    }

    .knowledge-mobile-fixed-btn .fixed-btn-text {
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .knowledge-mobile-fixed-btn + .knowledge-page {
        padding-bottom: 58px;
    }
}