/* 站长工具前台 */
.wt-topbar { border-bottom: 1px solid var(--border); }
.wt-header .logo-sub { letter-spacing: 0.04em; }
.wt-header .site-nav .wt-nav-drop {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.wt-nav-drop-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.wt-nav-drop-caret {
    font-size: 10px;
    opacity: 0.65;
}
.wt-nav-drop-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 168px;
    max-height: 70vh;
    overflow: auto;
    padding: 8px 0;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-card);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    z-index: 120;
}
.wt-nav-drop-menu a {
    display: block;
    padding: 8px 16px;
    font-size: 14px;
    color: var(--text);
    text-decoration: none;
    white-space: nowrap;
}
.wt-nav-drop-menu a:hover {
    background: var(--bg-soft, rgba(0, 0, 0, 0.04));
    color: var(--primary);
}
.wt-nav-drop:hover .wt-nav-drop-menu,
.wt-nav-drop:focus-within .wt-nav-drop-menu {
    display: block;
}
.h5-menu .wt-h5-subnav {
    padding-left: 28px;
    font-size: 14px;
    color: var(--text-muted);
}
.wt-hero {
    padding: 56px 0 52px;
    background: linear-gradient(135deg, #0831cb 0%, #0a45e8 45%, #1565ff 100%);
    border-bottom: none;
    color: #fff;
}
.wt-hero-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.wt-kicker {
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary);
    margin: 0 0 12px;
}
.wt-hero .wt-kicker {
    color: rgba(255, 255, 255, 0.85);
}
.wt-hero h1 {
    font-size: clamp(28px, 4vw, 40px);
    margin: 0 0 12px;
    color: #fff;
    font-weight: 700;
}
.wt-lead { color: var(--text-muted); font-size: 16px; line-height: 1.65; margin: 0 0 28px; }
.wt-hero .wt-lead {
    color: rgba(255, 255, 255, 0.88);
}
.wt-search {
    display: flex;
    gap: 10px;
    max-width: 520px;
    margin: 0 auto 16px;
}
.wt-search input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 15px;
}
.wt-search button {
    padding: 0 22px;
    border: none;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}
.wt-hero .wt-search input {
    border-color: transparent;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}
.wt-hero .wt-search button {
    background: #fff;
    color: #0831cb;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}
.wt-hero .wt-search button:hover {
    background: #f0f4ff;
}
.wt-meta { font-size: 14px; color: var(--text-muted); margin: 0; }
.wt-hero .wt-meta {
    color: rgba(255, 255, 255, 0.75);
}
.wt-hero .wt-meta strong {
    color: #fff;
    font-weight: 700;
}
.wt-section { padding: 48px 0; }
.wt-section--alt { background: var(--bg-soft, rgba(0, 0, 0, 0.02)); }
.wt-sec-head { margin-bottom: 24px; }
.wt-sec-head--row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.wt-sec-head h2 { margin: 0 0 6px; font-size: 22px; }
.wt-sec-desc { margin: 0; color: var(--text-muted); font-size: 14px; }
.wt-sec-desc a { color: var(--primary); }
.wt-sec-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    white-space: nowrap;
}
.wt-sec-more:hover { text-decoration: underline; }
.wt-hot-grid,
.wt-list-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px 24px;
    margin-bottom: 20px;
}
.wt-list-head h1 {
    margin: 0 0 8px;
    font-size: clamp(22px, 3vw, 28px);
}
.wt-list-meta {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
}
.wt-list-search {
    display: flex;
    gap: 8px;
    flex: 1;
    min-width: 220px;
    max-width: 360px;
}
.wt-list-search input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text);
}
.wt-list-search button {
    padding: 0 18px;
    border: none;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}
.wt-list-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}
.wt-list-pill {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    text-decoration: none;
    background: var(--bg-card);
}
.wt-list-pill:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.wt-list-pill.is-active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.wt-list-grid .wt-card {
    position: relative;
}
.wt-card-tag {
    display: inline-block;
    margin-top: 8px;
    font-size: 11px;
    color: var(--text-muted);
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--bg-soft, rgba(0, 0, 0, 0.04));
}
.wt-list-empty {
    padding: 48px 24px;
    text-align: center;
    border: 1px dashed var(--border);
    border-radius: 16px;
    color: var(--text-muted);
}
.wt-list-empty a {
    color: var(--primary);
}

.wt-sites-hero .wt-about-hero__lead a {
    color: #fff;
    text-decoration: underline;
}
.wt-sites-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}
.wt-sites-tab {
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.35);
}
.wt-sites-tab:hover,
.wt-sites-tab.is-active {
    background: #fff;
    color: #0831cb;
    border-color: #fff;
}
.wt-sites-main { padding-bottom: 56px; }
.wt-sites-hot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 40px;
}
.wt-sites-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    padding: 16px 12px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--bg-card);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.wt-sites-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
.wt-sites-card__logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}
.wt-sites-card__icon { font-size: 28px; }
.wt-sites-card__name { font-weight: 600; font-size: 14px; }
.wt-sites-card__desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.wt-sites-group { margin-bottom: 36px; }
.wt-sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
}
.wt-sites-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-card);
    text-decoration: none;
    color: inherit;
}
.wt-sites-item:hover { border-color: var(--primary); }
.wt-sites-item img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    margin-bottom: 4px;
}
.wt-sites-item__name { font-weight: 600; font-size: 14px; }
.wt-sites-item__desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.45;
}
.wt-sites-submit-layout { max-width: 640px; }
.wt-sites-form .form-group { margin-bottom: 16px; }
.wt-sites-form label em { color: #e53935; }

.wt-sites-list-main { padding-bottom: 56px; }
.wt-sites-list-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
    align-items: center;
}
.wt-sites-list-toolbar .form-control {
    min-width: 160px;
    flex: 1 1 180px;
}
.wt-sites-list-toolbar input[type="search"] { flex: 2 1 240px; }
.wt-sites-list-reset { text-decoration: none; }
.wt-sites-list-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}
.wt-sites-card__cat {
    font-size: 11px;
    color: var(--primary);
    line-height: 1.3;
}
.wt-sites-pager {
    margin-top: 28px;
    display: flex;
    justify-content: center;
}

.wt-sites-detail { padding-bottom: 56px; }
.wt-sites-detail-card {
    margin-top: 16px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
}
.wt-sites-detail-head {
    display: grid;
    grid-template-columns: 72px 1fr auto;
    gap: 20px;
    align-items: start;
    margin-bottom: 24px;
}
.wt-sites-detail-logo {
    width: 72px;
    height: 72px;
    border-radius: 14px;
    background: var(--bg-soft, #f5f7fb);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    overflow: hidden;
}
.wt-sites-detail-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.wt-sites-detail-meta h1 {
    margin: 0 0 8px;
    font-size: 26px;
}
.wt-sites-detail-cat {
    margin: 0 0 6px;
    font-size: 13px;
    color: var(--primary);
}
.wt-sites-detail-url {
    margin: 0;
    font-size: 14px;
    word-break: break-all;
}
.wt-sites-detail-url a { color: var(--text-muted); }
.wt-sites-detail-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}
.wt-sites-detail-body h2 {
    margin: 0 0 10px;
    font-size: 16px;
}
.wt-sites-detail-body p {
    margin: 0;
    line-height: 1.7;
    color: var(--text-muted);
}
.wt-sites-related { margin-top: 36px; }

@media (max-width: 1200px) {
    .wt-sites-list-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 992px) {
    .wt-sites-list-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
    .wt-sites-detail-head {
        grid-template-columns: 56px 1fr;
    }
    .wt-sites-detail-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        flex-wrap: wrap;
    }
    .wt-sites-list-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.wt-cat-block h2 a {
    color: inherit;
    text-decoration: none;
}
.wt-cat-block h2 a:hover {
    color: var(--primary);
}

.wt-tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}
.wt-card {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 12px;
    row-gap: 8px;
    align-items: center;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
    color: inherit;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.wt-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 28px rgba(8, 49, 203, 0.08);
    transform: translateY(-2px);
}
.wt-card-icon {
    grid-column: 1;
    grid-row: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border-radius: 10px;
    background: rgba(8, 49, 203, 0.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    margin: 0;
    flex-shrink: 0;
}
.wt-card h3 {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    font-size: 16px;
    line-height: 1.35;
    align-self: center;
    min-width: 0;
}
.wt-card p {
    grid-column: 1 / -1;
    grid-row: 2;
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}
.wt-cat-block { margin-bottom: 40px; }
.wt-cat-block:last-child { margin-bottom: 0; }
.wt-link-more { color: var(--primary); font-size: 14px; text-decoration: none; }

/* 最新资讯 — Tab + 头条 + 列表 */
.wt-section--news {
    padding: 48px 0 56px;
    background: var(--bg-page, #f4f6f9);
}
.wt-news-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding-bottom: 0;
    border-bottom: 1px solid #e8e8e8;
    margin-bottom: 28px;
}
.wt-news-head--solo {
    align-items: center;
}
.wt-news-title {
    margin: 0;
    padding: 0 0 14px;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    position: relative;
}
.wt-news-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 72px;
    height: 3px;
    background: #0831cb;
    border-radius: 2px 2px 0 0;
}
.wt-news-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0 36px;
    align-items: flex-end;
}
.wt-news-tab {
    position: relative;
    margin: 0;
    padding: 0 0 14px;
    border: none;
    background: none;
    font: inherit;
    font-size: 16px;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.2s;
}
.wt-news-tab:hover {
    color: var(--text);
}
.wt-news-tab.is-active {
    color: var(--text);
    font-weight: 600;
}
.wt-news-tab.is-active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    background: #0831cb;
    border-radius: 2px 2px 0 0;
}
.wt-news-more {
    font-size: 13px;
    letter-spacing: 0.08em;
    color: #999;
    text-decoration: none;
    padding-bottom: 14px;
    white-space: nowrap;
    transition: color 0.2s;
}
.wt-news-more:hover {
    color: var(--primary);
}
.wt-news-pane {
    display: none;
}
.wt-news-pane.is-active {
    display: block;
}
.wt-news-feature {
    display: grid;
    grid-template-columns: minmax(180px, 320px) 1fr;
    gap: 28px 32px;
    align-items: start;
    padding-bottom: 24px;
    margin-bottom: 8px;
    border-bottom: 1px solid #eee;
}
.wt-news-feature__media {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 4px;
    background: linear-gradient(145deg, #dce8ff 0%, #eef3ff 55%, #f8faff 100%);
    border: 1px solid #e8ecf4;
    transition: opacity 0.2s;
}
.wt-news-feature__media:hover {
    opacity: 0.92;
}
.wt-news-feature__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.wt-news-feature__media-ph {
    display: block;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(145deg, rgba(8, 49, 203, 0.12) 0%, rgba(8, 49, 203, 0.04) 100%),
        repeating-linear-gradient(-45deg, transparent, transparent 8px, rgba(8, 49, 203, 0.04) 8px, rgba(8, 49, 203, 0.04) 16px);
}
.wt-news-feature__body {
    padding-top: 2px;
    min-width: 0;
}
.wt-news-feature__meta {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 12px;
}
.wt-news-feature__title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    flex: 1;
    min-width: 0;
}
.wt-news-feature__title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}
.wt-news-feature__title a:hover {
    color: var(--primary);
}
.wt-news-feature__date {
    flex-shrink: 0;
    font-size: 14px;
    color: #999;
    white-space: nowrap;
    line-height: 1.45;
}
.wt-news-feature__summary {
    margin: 0 0 20px;
    font-size: 14px;
    line-height: 1.75;
    color: #888;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.wt-news-detail-btn {
    display: inline-block;
    padding: 8px 22px;
    background: #3d9e52;
    color: #fff !important;
    font-size: 14px;
    text-decoration: none;
    border-radius: 3px;
    transition: background 0.2s, transform 0.15s;
}
.wt-news-detail-btn:hover {
    background: #358647;
    transform: translateY(-1px);
}
.wt-news-rows {
    list-style: none;
    margin: 0;
    padding: 0;
}
.wt-news-rows > li {
    border-bottom: 1px solid #eee;
}
.wt-news-rows > li:last-child {
    border-bottom: none;
}
.wt-news-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 12px;
    margin: 0 -12px;
    text-decoration: none;
    color: inherit;
    transition: background 0.15s;
}
.wt-news-row:hover {
    background: rgba(8, 49, 203, 0.04);
}
.wt-news-row__main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.wt-news-row__title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.45;
    transition: color 0.2s;
}
.wt-news-row:hover .wt-news-row__title {
    color: var(--primary);
}
.wt-news-row__date {
    flex-shrink: 0;
    font-size: 14px;
    color: #999;
    white-space: nowrap;
    line-height: 1.45;
    padding-top: 2px;
}
.wt-news-row__summary {
    font-size: 14px;
    line-height: 1.6;
    color: #888;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
@media (max-width: 768px) {
    .wt-news-feature {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .wt-news-feature__meta {
        flex-direction: column;
        gap: 8px;
    }
    .wt-news-tabs {
        gap: 0 20px;
    }
    .wt-news-tab {
        font-size: 15px;
    }
    .wt-news-row {
        flex-direction: column;
        gap: 8px;
        padding: 16px 8px;
        margin: 0 -8px;
    }
    .wt-news-row__date {
        padding-top: 0;
    }
}

.wt-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 64px;
}
.wt-aside-inner {
    position: sticky;
    top: 88px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
    padding: 16px;
    max-height: calc(100vh - 100px);
    overflow: auto;
}
.wt-aside-title { font-size: 12px; color: var(--text-muted); margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.wt-aside-filter {
    width: 100%;
    box-sizing: border-box;
    margin: 0 0 12px;
    padding: 8px 10px;
    font-size: 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text);
}
.wt-aside-group { margin-bottom: 8px; }
.wt-aside-group summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    padding: 6px 0;
    list-style: none;
}
.wt-aside-group summary::-webkit-details-marker { display: none; }
.wt-aside-group nav { display: flex; flex-direction: column; gap: 2px; padding: 4px 0 8px 8px; }
.wt-aside-group nav a {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 8px;
}
.wt-aside-group nav a:hover,
.wt-aside-group nav a.is-active {
    color: var(--primary);
    background: rgba(8, 49, 203, 0.08);
}
.wt-about-hero {
    padding: 40px 0 36px;
    background: linear-gradient(135deg, #0831cb 0%, #0a45e8 45%, #1565ff 100%);
    color: #fff;
}
.wt-about-hero h1 {
    margin: 12px 0 10px;
    font-size: clamp(26px, 4vw, 34px);
    font-weight: 700;
}
.wt-about-hero__lead {
    margin: 0;
    max-width: 640px;
    font-size: 15px;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.9);
}
.wt-breadcrumb--light a {
    color: rgba(255, 255, 255, 0.75);
}
.wt-breadcrumb--light a:hover {
    color: #fff;
}
.wt-breadcrumb--light span {
    color: rgba(255, 255, 255, 0.45);
}
.wt-about-main {
    padding-top: 40px;
    padding-bottom: 56px;
}
.wt-about-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 32px;
    align-items: start;
}
.wt-about-card {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
    padding: 20px 18px;
    margin-bottom: 16px;
}
.wt-about-card h2 {
    margin: 0 0 14px;
    font-size: 15px;
    font-weight: 700;
}
.wt-about-facts {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}
.wt-about-facts li {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.wt-about-facts strong {
    font-size: 18px;
    color: var(--primary);
    min-width: 3em;
}
.wt-about-facts span {
    font-size: 13px;
    color: var(--text-muted);
}
.wt-about-contact {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 14px;
}
.wt-about-contact li {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}
.wt-about-contact li:last-child {
    border-bottom: none;
}
.wt-about-contact span {
    color: var(--text-muted);
    font-size: 13px;
}
.wt-about-contact a {
    color: var(--primary);
    text-decoration: none;
    word-break: break-all;
}
.wt-about-contact em {
    font-style: normal;
    line-height: 1.5;
}
.wt-about-prose {
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--bg-card);
    padding: 28px 32px;
}
.wt-about-prose__title {
    margin: 0 0 16px;
    font-size: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.wt-about-body {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text);
}
.wt-about-body p {
    margin: 0 0 1em;
}
.wt-about-body p:last-child {
    margin-bottom: 0;
}
.wt-about-back {
    margin: 24px 0 0;
    font-size: 14px;
}
.wt-about-back a {
    color: var(--primary);
    text-decoration: none;
}
@media (max-width: 768px) {
    .wt-about-layout {
        grid-template-columns: 1fr;
    }
    .wt-about-aside {
        order: 2;
    }
    .wt-about-prose {
        padding: 20px 18px;
    }
}

.wt-contact-tips-list {
    margin: 0;
    padding-left: 1.15em;
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-muted);
}
.wt-contact-tips-list li + li {
    margin-top: 8px;
}
.wt-breadcrumb {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.wt-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.wt-breadcrumb a:hover { color: var(--primary); }
.wt-breadcrumb span { margin: 0 6px; opacity: 0.5; }
.wt-tool-head h1 { margin: 0 0 8px; font-size: 26px; }
.wt-tool-head p { margin: 0 0 24px; color: var(--text-muted); font-size: 14px; }
.wt-panel {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--bg-card);
    padding: 20px;
}
.wt-field { margin-bottom: 16px; }
.wt-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.wt-field textarea,
.wt-field input[type="text"],
.wt-field input[type="number"],
.wt-field select {
    width: 100%;
    box-sizing: border-box;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-page);
    color: var(--text);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 14px;
    line-height: 1.5;
}
.wt-field textarea { min-height: 140px; resize: vertical; }
.wt-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.wt-btn {
    padding: 10px 18px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-page);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
}
.wt-btn--primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.wt-out {
    padding: 14px;
    border-radius: 12px;
    background: var(--bg-page);
    border: 1px dashed var(--border);
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-all;
    min-height: 48px;
}
.wt-hint { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.wt-err { color: #c0392b; }
.wt-footer { margin-top: 0; }
.wt-footer-main { padding-top: 48px; }
.wt-footer .footer-cta { display: none; }
.wt-md-preview { min-height: 120px; line-height: 1.6; }
.wt-md-preview h1, .wt-md-preview h2, .wt-md-preview h3 { margin: 12px 0 8px; }
.wt-md-preview code { background: var(--bg-page); padding: 2px 6px; border-radius: 4px; }

@media (max-width: 900px) {
    .wt-layout { grid-template-columns: 1fr; }
    .wt-aside-inner { position: static; max-height: none; }
}