/* =========================================================
   ID铺子 · Help Article
   Article UI v3
========================================================= */

:root {
    --hp-black: #111111;
    --hp-text: #252525;
    --hp-text-secondary: #555555;
    --hp-muted: #777777;
    --hp-light: #999999;

    --hp-border: #e7e7e7;
    --hp-border-light: #eeeeee;

    --hp-bg: #f7f8fa;
    --hp-white: #ffffff;

    --hp-container: 1200px;

    --hp-radius: 12px;
    --hp-radius-small: 8px;

    --hp-transition: .2s ease;
}


/* =========================================================
   基础
========================================================= */

.idp-help-page {
    background: var(--hp-bg);
    color: var(--hp-text);
    min-height: 70vh;
    padding: 0 0 100px;
}

.idp-help-page *,
.idp-help-page *::before,
.idp-help-page *::after {
    box-sizing: border-box;
}

.idp-help-page a {
    color: inherit;
    text-decoration: none;
}


/* =========================================================
   Container
========================================================= */

.idp-help-container {
    width: min(
        calc(100% - 48px),
        var(--hp-container)
    );

    margin: 0 auto;
}


/* =========================================================
   Breadcrumb
========================================================= */

.idp-help-breadcrumb {
    display: flex;
    align-items: center;

    gap: 10px;

    min-height: 64px;

    font-size: 13px;
    color: var(--hp-light);

    overflow: hidden;
    white-space: nowrap;
}

.idp-help-breadcrumb a {
    color: #777;
    transition: color var(--hp-transition);
}

.idp-help-breadcrumb a:hover {
    color: var(--hp-black);
}

.idp-help-breadcrumb-separator {
    color: #c5c5c5;
}

.idp-help-breadcrumb-current {
    overflow: hidden;
    text-overflow: ellipsis;
}


/* =========================================================
   Article Hero
========================================================= */

.idp-help-article-hero {
    max-width: 860px;
    padding: 44px 0 50px;
}

.idp-help-article-hero-category {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    margin-bottom: 18px;

    font-size: 14px;
    font-weight: 600;

    color: #555;

    transition: color var(--hp-transition);
}

.idp-help-article-hero-category:hover {
    color: var(--hp-black);
}

.idp-help-category-dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;
    background: #111;

    flex: 0 0 auto;
}

.idp-help-title {
    margin: 0;

    max-width: 850px;

    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.18;

    letter-spacing: -1.5px;

    font-weight: 700;

    color: var(--hp-black);
}

.idp-help-article-summary {
    margin-top: 22px;

    max-width: 760px;

    font-size: 16px;
    line-height: 1.8;

    color: var(--hp-muted);
}

.idp-help-article-meta {
    display: flex;
    align-items: center;
    gap: 12px;

    margin-top: 24px;

    font-size: 13px;
    color: var(--hp-light);
}

.idp-help-meta-dot {
    width: 3px;
    height: 3px;

    border-radius: 50%;
    background: #c8c8c8;
}


/* =========================================================
   Main Layout
========================================================= */

.idp-help-doc-layout {
    display: grid;

    grid-template-columns:
        190px
        minmax(0, 1fr)
        190px;

    gap: 48px;

    align-items: start;
}


/* =========================================================
   Left Sidebar
========================================================= */

.idp-help-doc-sidebar {
    min-width: 0;
}

.idp-help-doc-sidebar-inner {
    position: sticky;
    top: 92px;
}

.idp-help-doc-sidebar-title {
    padding-bottom: 14px;

    font-size: 13px;
    font-weight: 700;

    color: var(--hp-black);

    border-bottom: 1px solid var(--hp-border);
}

.idp-help-doc-sidebar-list {
    display: flex;
    flex-direction: column;

    margin-top: 8px;
}

.idp-help-doc-sidebar-link {
    position: relative;

    display: flex;
    align-items: flex-start;

    gap: 9px;

    padding: 9px 4px;

    font-size: 13px;
    line-height: 1.55;

    color: #777;

    border-radius: 6px;

    transition:
        color var(--hp-transition),
        background var(--hp-transition);
}

.idp-help-doc-sidebar-link:hover {
    color: var(--hp-black);
    background: rgba(0, 0, 0, .035);
}

.idp-help-doc-sidebar-link.is-current {
    color: var(--hp-black);
    font-weight: 600;
}

.idp-help-doc-sidebar-link-dot {
    width: 5px;
    height: 5px;

    margin-top: 7px;

    border-radius: 50%;

    background: #cfcfcf;

    flex: 0 0 auto;
}

.idp-help-doc-sidebar-link.is-current
.idp-help-doc-sidebar-link-dot {
    background: #111;
}

.idp-help-doc-sidebar-link-text {
    min-width: 0;
}

.idp-help-doc-sidebar-home {
    display: flex;
    align-items: center;

    gap: 8px;

    margin-top: 18px;
    padding-top: 16px;

    border-top: 1px solid var(--hp-border);

    font-size: 13px;
    color: #777;

    transition: color var(--hp-transition);
}

.idp-help-doc-sidebar-home:hover {
    color: var(--hp-black);
}

.idp-help-sidebar-home-icon {
    font-size: 15px;
}


/* =========================================================
   Center Article
========================================================= */

.idp-help-doc-content {
    min-width: 0;

    background: var(--hp-white);

    border: 1px solid var(--hp-border);

    border-radius: var(--hp-radius);

    overflow: hidden;
}


/* =========================================================
   Article Content
========================================================= */

.idp-help-content {
    padding: 52px 58px 20px;

    font-size: 16px;
    line-height: 1.9;

    color: var(--hp-text);

    word-break: break-word;
}


/* Paragraph */

.idp-help-content p {
    margin: 0 0 22px;
}

.idp-help-content p:last-child {
    margin-bottom: 0;
}


/* Headings */

.idp-help-content h2,
.idp-help-content h3,
.idp-help-content h4 {
    position: relative;

    color: var(--hp-black);

    scroll-margin-top: 90px;
}

.idp-help-content h2 {
    margin: 46px 0 20px;

    padding-top: 4px;

    font-size: 25px;
    line-height: 1.4;

    letter-spacing: -.3px;
}

.idp-help-content h3 {
    margin: 34px 0 16px;

    font-size: 20px;
    line-height: 1.5;
}

.idp-help-content h4 {
    margin: 28px 0 12px;

    font-size: 17px;
    line-height: 1.5;
}


/* First heading */

.idp-help-content > h2:first-child,
.idp-help-content > h3:first-child {
    margin-top: 0;
}


/* Lists */

.idp-help-content ul,
.idp-help-content ol {
    margin: 0 0 24px;
    padding-left: 28px;
}

.idp-help-content li {
    margin: 7px 0;
}


/* Links */

.idp-help-content a {
    color: #111;

    text-decoration: underline;
    text-decoration-color: #cfcfcf;
    text-underline-offset: 3px;

    transition: text-decoration-color var(--hp-transition);
}

.idp-help-content a:hover {
    text-decoration-color: #111;
}


/* Strong */

.idp-help-content strong {
    color: #111;
    font-weight: 700;
}


/* Blockquote */

.idp-help-content blockquote {
    margin: 28px 0;

    padding: 18px 22px;

    border-left: 3px solid #111;

    background: #f7f7f7;

    color: #555;
}

.idp-help-content blockquote p {
    margin-bottom: 0;
}


/* Horizontal */

.idp-help-content hr {
    margin: 42px 0;

    border: 0;
    border-top: 1px solid var(--hp-border);
}


/* Images */

.idp-help-content img {
    display: block;

    max-width: 100%;
    height: auto;

    margin: 28px auto;

    border-radius: 8px;

    cursor: zoom-in;
}


/* Figure */

.idp-help-content figure {
    margin: 30px 0;
}

.idp-help-content figcaption {
    margin-top: 10px;

    text-align: center;

    font-size: 13px;
    line-height: 1.6;

    color: #999;
}


/* Tables */

.idp-help-content table {
    width: 100%;

    margin: 28px 0;

    border-collapse: collapse;

    font-size: 14px;
}

.idp-help-content th,
.idp-help-content td {
    padding: 11px 14px;

    border: 1px solid var(--hp-border);

    text-align: left;
}

.idp-help-content th {
    background: #f7f7f7;

    color: #111;

    font-weight: 600;
}


/* Inline Code */

.idp-help-content code {
    padding: 2px 6px;

    border-radius: 4px;

    background: #f1f1f1;

    font-family:
        SFMono-Regular,
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: .88em;
}


/* Code */

.idp-help-content pre {
    position: relative;

    margin: 28px 0;

    padding: 20px;

    overflow-x: auto;

    border-radius: 8px;

    background: #181818;

    color: #f2f2f2;

    font-size: 13px;
    line-height: 1.7;

    -webkit-overflow-scrolling: touch;
}

.idp-help-content pre code {
    padding: 0;

    background: transparent;

    color: inherit;

    font-size: inherit;
}


/* =========================================================
   Code Copy
========================================================= */

.idp-help-code-copy {
    position: absolute;

    top: 10px;
    right: 10px;

    padding: 6px 10px;

    border: 1px solid rgba(255,255,255,.15);
    border-radius: 6px;

    background: rgba(255,255,255,.08);

    color: #ddd;

    font-size: 12px;

    cursor: pointer;

    transition:
        background var(--hp-transition),
        color var(--hp-transition);
}

.idp-help-code-copy:hover {
    background: rgba(255,255,255,.16);
    color: #fff;
}

.idp-help-code-copy.is-copied {
    color: #fff;
}


/* =========================================================
   Mobile TOC
========================================================= */

.idp-help-mobile-toc {
    display: none;

    border-bottom: 1px solid var(--hp-border);
}

.idp-help-mobile-toc-button {
    width: 100%;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 15px 18px;

    border: 0;

    background: #fff;

    color: #111;

    font-size: 14px;
    font-weight: 600;

    cursor: pointer;
}

.idp-help-mobile-toc-button-left {
    display: flex;
    align-items: center;
    gap: 9px;
}

.idp-help-mobile-toc-icon {
    font-size: 15px;
}

.idp-help-mobile-toc-arrow {
    transition: transform var(--hp-transition);
}

.idp-help-mobile-toc-button.is-open
.idp-help-mobile-toc-arrow {
    transform: rotate(180deg);
}

.idp-help-mobile-toc-body {
    display: none;

    padding: 0 18px 16px;
}

.idp-help-mobile-toc.is-open
.idp-help-mobile-toc-body {
    display: block;
}

.idp-help-mobile-toc-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.idp-help-mobile-toc-list a {
    display: block;

    padding: 7px 8px;

    font-size: 13px;
    line-height: 1.5;

    color: #777;

    border-radius: 5px;
}

.idp-help-mobile-toc-list a:hover,
.idp-help-mobile-toc-list a.is-active {
    color: #111;
    background: #f5f5f5;
}

.idp-help-mobile-toc-list a.toc-h3 {
    padding-left: 22px;
    font-size: 12px;
}


/* =========================================================
   Right TOC
========================================================= */

.idp-help-doc-toc {
    min-width: 0;
}

.idp-help-doc-toc-inner {
    position: sticky;
    top: 92px;
}

.idp-help-doc-toc-title {
    padding-bottom: 13px;

    border-bottom: 1px solid var(--hp-border);

    font-size: 12px;
    font-weight: 700;

    color: #111;

    letter-spacing: .3px;
}

.idp-help-doc-toc-list {
    position: relative;

    display: flex;
    flex-direction: column;

    margin-top: 8px;

    padding-left: 13px;
}

.idp-help-doc-toc-list::before {
    content: "";

    position: absolute;

    top: 0;
    bottom: 0;
    left: 0;

    width: 1px;

    background: var(--hp-border);
}

.idp-help-toc-item {
    position: relative;

    display: block;

    padding: 7px 0;

    font-size: 12px;
    line-height: 1.55;

    color: #999;

    transition: color var(--hp-transition);
}

.idp-help-toc-item:hover {
    color: #333;
}

.idp-help-toc-item.is-active {
    color: #111;
    font-weight: 600;
}

.idp-help-toc-item.is-active::before {
    content: "";

    position: absolute;

    top: 8px;
    bottom: 8px;
    left: -13px;

    width: 2px;

    border-radius: 2px;

    background: #111;
}

.idp-help-toc-item.toc-h3 {
    padding-left: 10px;

    font-size: 11px;
    color: #aaa;
}


/* =========================================================
   Tags
========================================================= */

.idp-help-doc-tags {
    display: flex;
    align-items: flex-start;
    gap: 12px;

    margin: 26px 58px 0;

    padding-top: 24px;

    border-top: 1px solid var(--hp-border);
}

.idp-help-doc-tags-label {
    flex: 0 0 auto;

    padding-top: 4px;

    font-size: 12px;
    color: #999;
}

.idp-help-doc-tags-list {
    display: flex;
    flex-wrap: wrap;

    gap: 7px;
}

.idp-help-doc-tag {
    padding: 5px 9px;

    border: 1px solid var(--hp-border);

    border-radius: 5px;

    background: #fafafa;

    font-size: 12px;

    color: #777;

    transition:
        color var(--hp-transition),
        border-color var(--hp-transition);
}

.idp-help-doc-tag:hover {
    color: #111;
    border-color: #ccc;
}


/* =========================================================
   Feedback
========================================================= */

.idp-help-doc-feedback {
    margin: 30px 58px 0;
}

.idp-help-feedback-inner {
    padding: 24px;

    border-radius: 9px;

    background: #f7f7f7;

    text-align: center;
}

.idp-help-feedback-title {
    font-size: 14px;
    font-weight: 600;

    color: #333;
}

.idp-help-feedback-buttons {
    display: flex;
    justify-content: center;

    gap: 8px;

    margin-top: 14px;
}

.idp-help-feedback-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;

    padding: 8px 14px;

    border: 1px solid #ddd;
    border-radius: 6px;

    background: #fff;

    color: #555;

    font-size: 13px;

    cursor: pointer;

    transition:
        border-color var(--hp-transition),
        background var(--hp-transition),
        color var(--hp-transition);
}

.idp-help-feedback-btn:hover {
    border-color: #aaa;
    color: #111;
}

.idp-help-feedback-btn.is-selected {
    border-color: #111;
    background: #111;
    color: #fff;
}

.idp-help-feedback-message {
    min-height: 18px;

    margin-top: 9px;

    font-size: 12px;
    color: #999;
}


/* =========================================================
   Support
========================================================= */

.idp-help-doc-support {
    margin: 18px 58px 0;

    border: 1px solid var(--hp-border);

    border-radius: 9px;

    background: #fff;
}

.idp-help-doc-support-content {
    display: flex;
    align-items: center;

    gap: 14px;

    padding: 18px 20px;
}

.idp-help-doc-support-icon {
    width: 34px;
    height: 34px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #111;

    color: #fff;

    font-size: 15px;
    font-weight: 700;

    flex: 0 0 auto;
}

.idp-help-doc-support-text {
    min-width: 0;

    flex: 1;
}

.idp-help-doc-support-title {
    font-size: 14px;
    font-weight: 600;

    color: #222;
}

.idp-help-doc-support-desc {
    margin-top: 3px;

    font-size: 12px;

    color: #999;
}

.idp-help-doc-support-button {
    display: inline-flex;
    align-items: center;

    gap: 7px;

    padding: 8px 13px;

    border: 1px solid #ddd;
    border-radius: 6px;

    color: #333;

    font-size: 12px;

    white-space: nowrap;

    transition:
        background var(--hp-transition),
        border-color var(--hp-transition);
}

.idp-help-doc-support-button:hover {
    border-color: #111;
    background: #111;
    color: #fff;
}


/* =========================================================
   Pagination
========================================================= */

.idp-help-doc-pagination {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 12px;

    margin: 28px 58px 42px;

    padding-top: 28px;

    border-top: 1px solid var(--hp-border);
}

.idp-help-doc-pagination-item {
    display: flex;
    flex-direction: column;

    min-width: 0;

    padding: 15px;

    border: 1px solid var(--hp-border);

    border-radius: 8px;

    background: #fff;

    transition:
        border-color var(--hp-transition),
        background var(--hp-transition);
}

.idp-help-doc-pagination-item:hover {
    border-color: #bbb;
    background: #fafafa;
}

.idp-help-doc-pagination-item.is-next {
    text-align: right;
}

.idp-help-pagination-label {
    font-size: 11px;
    color: #999;
}

.idp-help-pagination-title {
    margin-top: 7px;

    overflow: hidden;

    font-size: 13px;
    line-height: 1.5;

    color: #333;

    text-overflow: ellipsis;

    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}


/* =========================================================
   Image Preview
========================================================= */

.idp-help-image-preview {
    position: fixed;

    inset: 0;

    z-index: 99999;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 30px;

    background: rgba(0,0,0,.82);

    opacity: 0;
    visibility: hidden;

    transition:
        opacity .2s ease,
        visibility .2s ease;
}

.idp-help-image-preview.is-open {
    opacity: 1;
    visibility: visible;
}

.idp-help-image-preview img {
    max-width: min(1200px, 94vw);
    max-height: 90vh;

    width: auto;
    height: auto;

    border-radius: 5px;

    cursor: zoom-out;
}

.idp-help-image-preview-close {
    position: fixed;

    top: 20px;
    right: 24px;

    width: 38px;
    height: 38px;

    border: 1px solid rgba(255,255,255,.2);
    border-radius: 50%;

    background: rgba(0,0,0,.25);

    color: #fff;

    font-size: 22px;

    cursor: pointer;
}


/* =========================================================
   Reading Progress
========================================================= */

.idp-help-reading-progress {
    position: fixed;

    top: 0;
    left: 0;

    width: 0;
    height: 2px;

    z-index: 99999;

    background: #111;

    pointer-events: none;
}


/* =========================================================
   Back Top
========================================================= */

.idp-help-back-top {
    position: fixed;

    right: 24px;
    bottom: 28px;

    width: 38px;
    height: 38px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid var(--hp-border);
    border-radius: 50%;

    background: #fff;

    color: #555;

    font-size: 15px;

    box-shadow: 0 5px 20px rgba(0,0,0,.06);

    cursor: pointer;

    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);

    transition:
        opacity var(--hp-transition),
        visibility var(--hp-transition),
        transform var(--hp-transition);
}

.idp-help-back-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.idp-help-back-top:hover {
    background: #111;
    color: #fff;
    border-color: #111;
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 1100px) {

    .idp-help-doc-layout {
        grid-template-columns:
            175px
            minmax(0, 1fr)
            165px;

        gap: 28px;
    }

    .idp-help-content {
        padding-left: 42px;
        padding-right: 42px;
    }

    .idp-help-doc-tags,
    .idp-help-doc-feedback,
    .idp-help-doc-support,
    .idp-help-doc-pagination {
        margin-left: 42px;
        margin-right: 42px;
    }
}


/* =========================================================
   Tablet / Mobile
========================================================= */

@media (max-width: 900px) {

    .idp-help-container {
        width: min(
            calc(100% - 32px),
            var(--hp-container)
        );
    }

    .idp-help-doc-layout {
        display: block;
    }

    .idp-help-doc-sidebar {
        display: none;
    }

    .idp-help-doc-toc {
        display: none;
    }

    .idp-help-mobile-toc {
        display: block;
    }

    .idp-help-article-hero {
        padding: 36px 0 38px;
    }

    .idp-help-title {
        font-size: 36px;
    }
}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 700px) {

    .idp-help-page {
        padding-bottom: 60px;
    }

    .idp-help-container {
        width: calc(100% - 24px);
    }

    .idp-help-breadcrumb {
        min-height: 52px;

        gap: 7px;

        font-size: 11px;
    }

    .idp-help-article-hero {
        padding: 26px 4px 28px;
    }

    .idp-help-article-hero-category {
        margin-bottom: 13px;

        font-size: 12px;
    }

    .idp-help-title {
        font-size: 29px;
        line-height: 1.3;

        letter-spacing: -.8px;
    }

    .idp-help-article-summary {
        margin-top: 15px;

        font-size: 14px;
        line-height: 1.7;
    }

    .idp-help-article-meta {
        margin-top: 17px;

        font-size: 11px;
    }

    .idp-help-doc-content {
        border-radius: 9px;
    }

    .idp-help-content {
        padding: 32px 20px 16px;

        font-size: 15px;
        line-height: 1.85;
    }

    .idp-help-content h2 {
        margin-top: 38px;
        margin-bottom: 16px;

        font-size: 22px;
    }

    .idp-help-content h3 {
        margin-top: 30px;
        margin-bottom: 13px;

        font-size: 18px;
    }

    .idp-help-content h4 {
        margin-top: 24px;

        font-size: 16px;
    }

    .idp-help-content p {
        margin-bottom: 19px;
    }

    .idp-help-content img {
        margin: 22px auto;

        border-radius: 6px;
    }

    .idp-help-content table {
        display: block;

        overflow-x: auto;

        white-space: nowrap;
    }

    .idp-help-doc-tags {
        margin: 22px 20px 0;

        padding-top: 20px;
    }

    .idp-help-doc-feedback {
        margin: 22px 20px 0;
    }

    .idp-help-feedback-inner {
        padding: 20px 14px;
    }

    .idp-help-doc-support {
        margin: 14px 20px 0;
    }

    .idp-help-doc-support-content {
        align-items: flex-start;

        flex-wrap: wrap;

        padding: 16px;
    }

    .idp-help-doc-support-text {
        flex: 1;
    }

    .idp-help-doc-support-button {
        width: 100%;

        justify-content: center;

        margin-top: 4px;
    }

    .idp-help-doc-pagination {
        grid-template-columns: 1fr;

        margin: 22px 20px 28px;

        padding-top: 22px;
    }

    .idp-help-doc-pagination-item.is-next {
        text-align: left;
    }

    .idp-help-back-top {
        right: 15px;
        bottom: 18px;
    }

    .idp-help-image-preview {
        padding: 15px;
    }
}


/* =========================================================
   Small Mobile
========================================================= */

@media (max-width: 380px) {

    .idp-help-title {
        font-size: 26px;
    }

    .idp-help-content {
        padding-left: 17px;
        padding-right: 17px;
    }

    .idp-help-doc-tags,
    .idp-help-doc-feedback,
    .idp-help-doc-support {
        margin-left: 17px;
        margin-right: 17px;
    }

    .idp-help-doc-pagination {
        margin-left: 17px;
        margin-right: 17px;
    }
}


/* =========================================================
   Reduced Motion
========================================================= */

@media (prefers-reduced-motion: reduce) {

    .idp-help-page *,
    .idp-help-page *::before,
    .idp-help-page *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}