@charset "utf-8";

:root {
    --c-brand: #00467f;
    /* 主色（西安交大蓝） */
    --c-brand-2: #1668b0;
    /* 主色浅一档，用于悬停 */
    --c-brand-soft: #eaf3fb;
    /* 主色极浅底 */
    --c-ink: #1b2632;
    /* 标题墨色 */
    --c-text: #3a4653;
    /* 正文字色 */
    --c-muted: #8b96a4;
    /* 次要信息 */
    --c-line: #e7edf4;
    /* 描边 / 分隔线 */
    --c-card: #ffffff;
    --radius: 14px;
    --shadow-card: 0 1px 2px rgba(19, 38, 63, .04), 0 12px 32px -12px rgba(19, 38, 63, .16);
    --shadow-hover: 0 1px 2px rgba(19, 38, 63, .05), 0 22px 48px -18px rgba(19, 38, 63, .24);
    --font-cn: "SourceHanSansCN-Regular", "SourceHanSansCN-Regular-Bold", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Helvetica, Arial, sans-serif;
}


html {
    min-height: 100%;
    background-color: #eef4fb;
}


body {
    min-height: 100vh;
    background-color: #eef4fb;
    background-image: linear-gradient(180deg, #ffffff 0%, #f4f8fc 32%, #e9f1fa 100%);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}


#app {
    min-width: 0;
    max-width: none;
    background-color: transparent;
}


.container {
    background: transparent;
}

.article-shell {
    max-width: 940px;
    margin: 0 auto;
    padding: 28px 24px 56px;
}

.crumb-bar {
    margin-bottom: 18px;
    padding: 0 2px;
}

.crumb-bar ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    line-height: 1.6;
    font-size: 13px;
    color: var(--c-muted);
    letter-spacing: .2px;
}

.crumb-bar .crumb-label {
    color: #a3adb9;
    font-size: 12.5px;
}

.crumb-bar li {
    display: inline-flex;
    align-items: center;
}

.crumb-bar a {
    color: #6f7d8d;
    transition: color .18s ease;
}

.crumb-bar a:hover {
    color: var(--c-brand-2);
}


.article-card {
    background: var(--c-card);
    border: 1px solid rgba(231, 237, 244, .9);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow .3s ease;
}


header.article-head {
    padding: 44px 56px 34px;
    text-align: left;
}

.article-title {
    margin: 0;
    font-size: 30px;
    line-height: 1.45;
    font-weight: 600;
    color: var(--c-ink);
    letter-spacing: .3px;
    word-break: break-word;
}


header.article-head .article-title::after {
    content: "";
    display: block;
    width: 44px;
    height: 3px;
    margin-top: 18px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--c-brand) 0%, #3e9ad6 100%);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 0;
    margin-top: 18px;
    font-size: 13px;
    color: var(--c-muted);
    letter-spacing: .3px;
}

.article-meta span {
    display: inline-flex;
    align-items: center;
}


.article-meta span+span::before {
    content: "";
    display: inline-block;
    width: 3px;
    height: 3px;
    margin: 0 10px;
    border-radius: 50%;
    background: #c6d0da;
    vertical-align: middle;
}


div#vsb_content {
    padding: 0 56px 56px;
    text-align: left;

}

div#vsb_content .v_news_content {


    margin: 0 auto;
    font-family: var(--font-cn);
    font-size: 16.5px;
    line-height: 2;
    color: var(--c-text);
    text-align: justify;
    text-justify: inter-ideograph;
    word-break: normal;
    line-break: strict;
    overflow-wrap: break-word;
    letter-spacing: .3px;
}




/* --- 段落 --- */
.v_news_content p {
    margin: 0 0 20px;
    line-height: 2;
}

.v_news_content p:last-child {
    margin-bottom: 0;
}


.v_news_content p:empty,
.v_news_content p:has(>br:only-child) {
    margin: 0;
}


/* --- 标题层级 --- */
.v_news_content h1,
.v_news_content h2,
.v_news_content h3,
.v_news_content h4,
.v_news_content h5 {
    margin: 40px 0 18px;
    color: var(--c-ink);
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: .3px;
    text-align: left;
}

.v_news_content h1 {
    font-size: 25px;
}

.v_news_content h2 {
    font-size: 20px;
    padding-left: 13px;
    border-left: 3px solid var(--c-brand);
}

.v_news_content h3 {
    font-size: 17.5px;
    color: #2b3a4a;
}

.v_news_content h3::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 9px;
    border-radius: 50%;
    background: var(--c-brand-2);
    vertical-align: 3px;
}

.v_news_content h4,
.v_news_content h5 {
    font-size: 16px;
    color: #465563;
}

.v_news_content> :first-child {
    margin-top: 0;
}


/* --- 强调 --- */
.v_news_content strong,
.v_news_content b {
    font-weight: 600;
    color: #22303e;
}

.v_news_content em,
.v_news_content i {
    font-style: normal;
    color: var(--c-brand);
}


/* --- 列表 --- */
.v_news_content ul,
.v_news_content ol {
    margin: 0 0 20px;
    padding-left: 1.6em;
    line-height: 2;
}

.v_news_content li {
    margin: 0 0 6px;
}

.v_news_content li:last-child {
    margin-bottom: 0;
}

.v_news_content ul li::marker {
    color: var(--c-brand-2);
}

.v_news_content ol li::marker {
    color: var(--c-brand);
    font-weight: 600;
}


/* --- 引用 --- */
.v_news_content blockquote {
    margin: 26px 0;
    padding: 16px 20px;
    background: var(--c-brand-soft);
    border-left: 3px solid var(--c-brand-2);
    border-radius: 0 8px 8px 0;
    color: #405566;
}

.v_news_content blockquote p:last-child {
    margin-bottom: 0;
}


/* --- 分隔线 --- */
.v_news_content hr {
    height: 1px;
    margin: 34px auto;
    width: 72px;
    border: 0;
    background: linear-gradient(90deg, transparent, #d3dee9, transparent);
}


/* --- 链接 --- */
.v_news_content a {
    color: var(--c-brand-2);
    text-decoration: none;
    border-bottom: 1px solid rgba(22, 104, 176, .28);
    transition: color .18s ease, border-color .18s ease;
}

.v_news_content a:hover {
    color: var(--c-brand);
    border-bottom-color: var(--c-brand);
}


/* --- 行内代码 --- */
.v_news_content code {
    padding: 2px 6px;
    border-radius: 4px;
    background: #f2f6fa;
    color: #b2453a;
    font-size: 14px;
    font-family: Consolas, Monaco, monospace;
}


/* --- 表格 --- */
.v_news_content table {
    width: 100%;
    max-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    font-size: 14.5px;
    line-height: 1.75;
}

.v_news_content th {
    padding: 12px 16px;
    background: #f2f7fc;
    color: var(--c-brand);
    font-weight: 600;
    text-align: left;
    border-bottom: 1px solid var(--c-line);
    white-space: nowrap;
}

.v_news_content td {
    padding: 12px 16px;
    border-bottom: 1px solid #f0f4f8;
    color: var(--c-text);
}

.v_news_content tr:last-child td {
    border-bottom: 0;
}

.v_news_content tbody tr:hover td {
    background: #f8fbfe;
}



.v_news_content img {
    max-width: 100%;
    height: auto;
    border: 0;
    vertical-align: middle;
}


.v_news_content p:has(>img:only-child) {
    margin: 0 0 26px;
    text-align: center;
}

.v_news_content p>img:only-child {
    width: auto;
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 6px 22px -8px rgba(19, 38, 63, .22);
}


.v_news_content>p:has(>img:only-child) {
    max-width: 100%;
}

.v_news_content img.img_vsb_content {
    width: auto;
    max-width: 100%;
}


.article-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: stretch;
    gap: 14px;
    margin: 0 auto;
    padding: 22px 56px 30px;
    border-top: 1px solid var(--c-line);
    font-size: 14px;
width:80%;

}


.article-nav p:has(a) {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 11px 18px;
    max-width: 48%;
    background: #f7fafd;
    border: 1px solid var(--c-line);
    border-radius: 10px;
    color: var(--c-muted);
    transition: border-color .2s ease, background .2s ease;
}

.article-nav p:has(a):hover {
    background: #fff;
    border-color: #c9dbec;
}


.article-nav p:last-child {
    margin-left: auto;
}

.article-nav a {
    color: var(--c-brand);
    font-weight: 500;
    text-decoration: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-nav a:hover {
    color: var(--c-brand-2);
}



.container-pc {
    padding: 8px 24px 0;
}

.article-shell+.container-pc {
    padding-top: 0;
}



::selection {
    background: rgba(22, 104, 176, .16);
}

.v_news_content a:focus-visible,
.article-nav a:focus-visible,
.crumb-bar a:focus-visible {
    outline: 2px solid var(--c-brand-2);
    outline-offset: 3px;
    border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
    }
}



@media print {

    .header,
    .crumb-bar,
    .article-nav,
    .footer,
    .footer-x {
        display: none !important;
    }

    html,
    body {
        background: #fff !important;
    }

    .article-shell {
        max-width: 100%;
        padding: 0;
    }

    .article-card {
        border: 0;
        box-shadow: none;
    }

    header.article-head,
    div#vsb_content {
        padding-left: 0;
        padding-right: 0;
    }
}


@media screen and (max-width: 1024px) {
    .article-shell {
        padding: 24px 20px 48px;
    }
}

@media screen and (max-width: 768px) {
    header.article-head {
        padding: 30px 24px 24px;
    }

    .article-title {
        font-size: 22px;
        line-height: 1.5;
    }

    header.article-head .article-title::after {
        margin-top: 14px;
    }

    div#vsb_content {
        padding: 0 24px 32px;
    }

    div#vsb_content .v_news_content {
        font-size: 16px;
        line-height: 1.9;
    }

    .v_news_content p {
        margin-bottom: 16px;
    }

    .v_news_content h1 {
        font-size: 21px;
    }

    .v_news_content h2 {
        font-size: 18px;
    }

    .v_news_content h3 {
        font-size: 16.5px;
    }

    .v_news_content h1,
    .v_news_content h2,
    .v_news_content h3 {
        margin-top: 30px;
    }

    .v_news_content table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        font-size: 14px;
        white-space: nowrap;
    }

    .article-nav {
        padding: 20px 24px 24px;
    }

    .article-nav p:has(a) {
        max-width: 100%;
        flex: 1 1 100%;
    }

    .article-nav p:last-child {
        margin-left: 0;
    }
}

@media screen and (max-width: 480px) {
    .article-shell {
        padding: 18px 14px 36px;
    }

    header.article-head {
        padding: 26px 18px 20px;
    }

    .article-title {
        font-size: 20px;
    }

    div#vsb_content {
        padding: 0 18px 28px;
    }

    .v_news_content>p:has(>img:only-child) {
        margin-bottom: 18px;
    }

    .v_news_content p>img:only-child {
        border-radius: 8px;
    }

    .article-nav {
        padding: 18px 18px 22px;
    }

    .article-meta {
        font-size: 12.5px;
    }
}