:root {
    --bg: #0f141a;
    --panel: rgba(15, 20, 26, 0.96);
    --line: rgba(95, 118, 145, 0.28);
    --text: #46a6ff;
    --muted: #b7b3aa;
    --primary: #249ffd;
    --accent: #1471ca;
    --shadow: none;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    background: #0d1217;
    color: var(--text);
    font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

img {
    max-width: 100%;
}

.site-shell {
    position: relative;
    min-height: 100vh;
    padding: 28px 14px 40px;
}

.hero-backdrop {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at top, rgba(36, 159, 253, 0.08), transparent 34%),
        radial-gradient(circle at bottom right, rgba(20, 113, 202, 0.1), transparent 28%);
    filter: blur(4px);
    pointer-events: none;
}

.site-header,
.page-main,
.site-footer {
    position: relative;
    z-index: 1;
    width: min(1240px, calc(100vw - 28px));
    margin: 0 auto;
}

.site-header {
    text-align: center;
    margin-bottom: 18px;
}

.brand-block {
    margin-bottom: 14px;
}

.site-title {
    margin: 0;
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: .02em;
}

.site-subtitle {
    margin: 10px 0 0;
    color: #d2d2d2;
    font-size: 15px;
}

.top-nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
}

.top-nav-list li a {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 999px;
    background: rgba(20, 113, 202, 0.08);
    border: 1px solid rgba(20, 113, 202, 0.22);
    transition: transform .18s ease, background-color .18s ease;
}

.top-nav-list li.is-active a,
.top-nav-list li a:hover {
    background: #1a1f25;
    color: #fff;
    transform: none;
}

.search-panel {
    margin: 0 auto 18px;
    width: 100%;
    max-width: none;
}

.auth-panel {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 0 0 14px;
}

.auth-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 96px;
    min-height: 34px;
    padding: 0 14px;
    border: 1px solid rgba(20, 113, 202, 0.22);
    border-radius: 4px;
    background: rgba(20, 113, 202, 0.08);
    color: #d8d8d8;
    font-size: 14px;
}

.auth-link-primary {
    background: #1471ca;
    color: #fff;
}

.search-form {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border-radius: 8px;
    background: var(--primary);
    box-shadow: none;
}

.search-icon {
    color: #fff;
    font-size: 20px;
}

.search-input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    color: #fff;
    font-size: 16px;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.9);
}

.page-main {
    display: grid;
    gap: 18px;
}

.panel {
    position: relative;
    padding: 26px 20px 18px;
    border: 1px solid rgba(30, 37, 47, 0.9);
    border-radius: 16px;
    background: var(--panel);
    box-shadow: none;
    backdrop-filter: none;
}

.panel-tags {
    display: none;
}

.panel-legend {
    position: absolute;
    top: -13px;
    left: 16px;
}

.panel-legend span {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: #11161d;
    border: 1px solid rgba(20, 113, 202, 0.2);
    box-shadow: none;
    font-weight: 700;
    color: #d8d8d8;
}

.notice-list {
    margin: 0;
    padding-left: 18px;
}

.notice-list li + li {
    margin-top: 8px;
}

.section-desc,
.empty-state {
    color: #9ea8b5;
}

.crumbs {
    margin-bottom: 6px;
    color: var(--text);
    font-weight: 600;
}

.hot-tags,
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hot-tags-large {
    gap: 10px;
}

.tag-chip,
.mini-tag {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(20, 113, 202, 0.08);
    color: #64b1ff;
    border: 1px solid rgba(20, 113, 202, 0.2);
}

.mini-tag {
    min-height: 28px;
    font-size: 13px;
}

.post-stream {
    display: grid;
    gap: 0;
}

.mimic-stream {
    margin-top: 4px;
}

.post-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 18px;
    row-gap: 8px;
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(78, 92, 109, 0.45);
}

.post-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.title-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-width: 0;
}

.post-cate,
.post-cate a {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 4px;
    background: #1471ca;
    color: #fff;
    font-size: 14px;
    white-space: nowrap;
}

.post-title,
.post-link {
    font-size: 16px;
    line-height: 30px;
    font-weight: 400;
    color: #46a6ff;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: normal;
}

.post-title:hover,
.post-link:hover,
.related-link:hover,
.prev-next a:hover {
    color: var(--primary);
}

.last-time {
    width: auto;
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    line-height: 1.4;
    min-width: 0;
}

.post-tags-inline {
    display: inline-flex;
    flex-wrap: nowrap;
    gap: 8px;
    min-height: 28px;
    align-items: center;
    justify-content: flex-end;
    white-space: nowrap;
    overflow: hidden;
    max-width: 420px;
    vertical-align: middle;
}

.article-categories1 a,
.article-categories2 a,
.mimic-tag {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 4px;
    color: #fff;
    border: 0;
    font-size: 14px;
}

.article-categories1 a:nth-child(5n),
.article-categories2 a:nth-child(5n) {
    background-color: #c78505;
}

.article-categories1 a:nth-child(5n+1),
.article-categories2 a:nth-child(5n+1) {
    background-color: #c60000;
}

.article-categories1 a:nth-child(5n+2),
.article-categories2 a:nth-child(5n+2) {
    background-color: #3210cc;
}

.article-categories1 a:nth-child(5n+3),
.article-categories2 a:nth-child(5n+3) {
    background-color: #1ab74f;
}

.article-categories1 a:nth-child(5n+4),
.article-categories2 a:nth-child(5n+4) {
    background-color: #0a4ed6;
}

.post-time {
    flex: 0 0 auto;
    white-space: nowrap;
    color: #d0ccc5;
    font-size: 15px;
    margin-left: 14px;
    vertical-align: middle;
}

.meta-dot {
    margin: 0 6px;
    opacity: .7;
}

.pager,
.pager * {
    margin-top: 8px;
}

.pager a,
.pager span {
    display: inline-block;
    margin: 6px 8px 0 0;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid rgba(20, 113, 202, 0.2);
    background: rgba(20, 113, 202, 0.08);
    color: #d6d6d6;
}

.article-card {
    padding-top: 6px;
}

.article-title {
    margin: 0 0 12px;
    font-size: clamp(28px, 4vw, 38px);
    line-height: 1.24;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin: 0 0 14px;
    padding: 0;
    list-style: none;
    color: #c9c3b7;
}

.article-body {
    font-size: 16px;
    line-height: 1.9;
    word-break: break-word;
}

.article-body img {
    display: block;
    margin: 16px auto;
    border-radius: 14px;
    box-shadow: 0 16px 34px rgba(47, 62, 76, 0.14);
}

.article-body iframe {
    max-width: 100%;
}

.article-body a {
    color: var(--primary);
}

.article-tags {
    margin-bottom: 16px;
}

.prev-next {
    display: grid;
    gap: 8px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.related-item {
    padding: 14px;
    border-radius: 14px;
    background: rgba(36, 159, 253, 0.05);
    border: 1px solid rgba(36, 159, 253, 0.12);
}

.site-footer {
    margin-top: 18px;
}

.footer-panel {
    text-align: center;
    color: var(--muted);
}

.footer-panel p {
    margin: 6px 0;
}

.error-panel {
    margin-top: 80px;
}

@media (max-width: 720px) {
    .site-shell {
        padding-left: 10px;
        padding-right: 10px;
    }

    .site-header,
    .page-main,
    .site-footer {
        width: 100%;
    }

    .search-form {
        padding: 14px 14px;
    }

    .panel {
        padding: 28px 14px 18px;
    }

    .post-item {
        grid-template-columns: 1fr;
        row-gap: 8px;
        padding: 10px 0;
    }

    .auth-panel {
        flex-wrap: wrap;
        gap: 8px;
    }

    .auth-link {
        min-width: 88px;
        min-height: 32px;
        font-size: 13px;
    }

    .title-info,
    .last-time {
        width: 100%;
    }

    .title-info {
        display: block;
    }

    .post-cate,
    .post-cate a {
        min-height: 26px;
        font-size: 12px;
        margin-right: 8px;
    }

    .post-link,
    .post-title {
        display: inline;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
        word-break: break-word;
        font-size: 14px;
        line-height: 1.7;
    }

    .last-time {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: 8px;
    }

    .post-tags-inline {
        width: auto;
        max-width: calc(100% - 90px);
        justify-content: flex-end;
        margin-top: 0;
        white-space: nowrap;
        flex-wrap: nowrap;
        overflow: hidden;
    }

    .article-categories1 a,
    .article-categories2 a,
    .mimic-tag {
        min-height: 24px;
        padding: 0 8px;
        font-size: 12px;
        border-radius: 3px;
    }

    .post-time {
        margin-left: 0;
        font-size: 12px;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }
}