/* ==========================================================================
   Wyatt 现代资讯模板  ——  基于 Bootstrap 5
   配色：清爽蓝白 + 橙色强调，参考 stuartwyatt.com
   ========================================================================== */

:root {
    --wyatt-primary: #3b82f6;
    --wyatt-primary-dark: #2563eb;
    --wyatt-primary-light: #dbeafe;
    --wyatt-accent: #f59e0b;
    --wyatt-accent-dark: #d97706;
    --wyatt-body: #f8fafc;
    --wyatt-white: #ffffff;
    --wyatt-text: #1e293b;
    --wyatt-text-secondary: #475569;
    --wyatt-muted: #64748b;
    --wyatt-line: #e2e8f0;
    --wyatt-radius: 12px;
    --wyatt-radius-sm: 8px;
    --wyatt-shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --wyatt-shadow-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.04);
    --wyatt-shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
        "Noto Sans", "Liberation Sans", Arial, sans-serif;
    background: var(--wyatt-body);
    color: var(--wyatt-text);
    font-size: 15px;
    line-height: 1.6;
}

a { color: var(--wyatt-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--wyatt-primary-dark); }
img { max-width: 100%; }

.wyatt-container { max-width: 1200px; }

/* ---------- 工具类 ---------- */
.wyatt-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.wyatt-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.wyatt-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.wyatt-btn-primary {
    background: var(--wyatt-primary);
    border: 0;
    color: #fff;
    font-weight: 600;
    padding: .6rem 1.5rem;
    border-radius: 8px;
    display: inline-block;
    transition: all .25s;
}
.wyatt-btn-primary:hover {
    background: var(--wyatt-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59,130,246,.3);
}

.wyatt-btn-outline {
    background: transparent;
    border: 2px solid var(--wyatt-primary);
    color: var(--wyatt-primary);
    font-weight: 600;
    padding: .5rem 1.4rem;
    border-radius: 8px;
    display: inline-block;
    transition: all .25s;
}
.wyatt-btn-outline:hover {
    background: var(--wyatt-primary);
    color: #fff;
}

.wyatt-text-muted { color: var(--wyatt-muted); font-size: 14px; }
.wyatt-count { font-size: 13px; color: var(--wyatt-muted); }
.wyatt-more { font-size: 14px; color: var(--wyatt-primary); font-weight: 500; }
.wyatt-more:hover { color: var(--wyatt-primary-dark); }

/* ---------- 头部导航 ---------- */
.wyatt-header {
    background: var(--wyatt-white);
    box-shadow: var(--wyatt-shadow);
    transition: box-shadow .25s;
}
.wyatt-header.scrolled { box-shadow: var(--wyatt-shadow-md); }
.wyatt-header .navbar-brand {
    color: var(--wyatt-text);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: .3px;
}
.wyatt-header .nav-link {
    color: var(--wyatt-text-secondary);
    font-size: 15px;
    font-weight: 500;
    padding: .5rem 1rem !important;
    border-radius: 6px;
    transition: all .2s;
}
.wyatt-header .nav-link:hover,
.wyatt-header .nav-link.active {
    color: var(--wyatt-primary);
    background: var(--wyatt-primary-light);
}
.wyatt-header .dropdown-menu {
    background: var(--wyatt-white);
    border: 1px solid var(--wyatt-line);
    border-radius: 8px;
    box-shadow: var(--wyatt-shadow-md);
}
.wyatt-header .dropdown-item {
    color: var(--wyatt-text-secondary);
    font-size: 14px;
}
.wyatt-header .dropdown-item:hover {
    background: var(--wyatt-primary-light);
    color: var(--wyatt-primary);
}

.wyatt-search .form-control {
    background: var(--wyatt-body);
    border: 1px solid var(--wyatt-line);
    color: var(--wyatt-text);
    height: 38px;
    width: 180px;
    border-radius: 8px;
}
.wyatt-search .form-control::placeholder { color: var(--wyatt-muted); }
.wyatt-search .form-control:focus {
    background: var(--wyatt-white);
    border-color: var(--wyatt-primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,.1);
}
.wyatt-search .btn {
    border: 0;
    background: var(--wyatt-primary);
    color: #fff;
    height: 38px;
    padding: 0 14px;
    border-radius: 8px;
}

/* ---------- Hero ---------- */
.wyatt-hero {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}
.wyatt-hero::before {
    content: "";
    position: absolute;
    right: -100px;
    top: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,.15), transparent 70%);
}
.wyatt-hero-badge {
    display: inline-block;
    background: var(--wyatt-primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 1rem;
}
.wyatt-hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--wyatt-text);
    margin-bottom: 1rem;
}
.wyatt-hero-desc {
    color: var(--wyatt-text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}
.wyatt-hero-btns {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.wyatt-hero-img img {
    border-radius: 16px;
    box-shadow: var(--wyatt-shadow-lg);
    max-height: 380px;
}
@media (max-width: 767.98px) {
    .wyatt-hero { padding: 40px 0; text-align: center; }
    .wyatt-hero-title { font-size: 1.8rem; }
    .wyatt-hero-btns { justify-content: center; }
}

/* ---------- Stats ---------- */
.wyatt-stats {
    background: var(--wyatt-white);
    padding: 50px 0;
    border-bottom: 1px solid var(--wyatt-line);
}
.wyatt-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.wyatt-stats-card {
    background: var(--wyatt-body);
    border: 1px solid var(--wyatt-line);
    border-radius: var(--wyatt-radius);
    padding: 24px 20px;
    text-align: center;
    transition: all .25s;
}
.wyatt-stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--wyatt-shadow-md);
}
.wyatt-stats-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    background: var(--wyatt-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.wyatt-stats-icon i { font-size: 24px; color: var(--wyatt-primary); }
.wyatt-stats-num { font-size: 1.8rem; font-weight: 700; margin: 8px 0 4px; color: var(--wyatt-text); }
.wyatt-stats-label { color: var(--wyatt-muted); font-size: 14px; margin: 0; }
@media (max-width: 767.98px) {
    .wyatt-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Section ---------- */
.wyatt-section { padding: 50px 0; }
.wyatt-section-alt { background: var(--wyatt-white); }
.wyatt-section-header {
    text-align: center;
    margin-bottom: 36px;
}
.wyatt-section-header h2 {
    font-size: 1.7rem;
    font-weight: 700;
    display: inline-block;
    margin: 0;
    color: var(--wyatt-text);
}
.wyatt-section-header p {
    color: var(--wyatt-muted);
    margin: 8px 0 0;
    font-size: 15px;
}
.wyatt-section-desc {
    color: var(--wyatt-muted);
    font-size: 14px;
    margin-bottom: 1rem;
}

/* ---------- Card ---------- */
.wyatt-card {
    background: var(--wyatt-white);
    border: 1px solid var(--wyatt-line);
    border-radius: var(--wyatt-radius);
    overflow: hidden;
    height: 100%;
    transition: all .25s;
}
.wyatt-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--wyatt-shadow-lg);
}
.wyatt-card-img {
    display: block;
    position: relative;
    padding-top: 60%;
    overflow: hidden;
    background: #f1f5f9;
}
.wyatt-card-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.wyatt-card:hover .wyatt-card-img img { transform: scale(1.05); }
.wyatt-card-body { padding: 16px 18px 18px; }
.wyatt-card-body h4 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    margin: 0 0 10px;
}
.wyatt-card-body h4 a { color: var(--wyatt-text); }
.wyatt-card-body h4 a:hover { color: var(--wyatt-primary); }
.wyatt-card-desc { color: var(--wyatt-muted); font-size: 13.5px; margin: 0 0 12px; }
.wyatt-meta {
    font-size: 12.5px;
    color: #94a3b8;
    display: flex;
    gap: 14px;
    align-items: center;
}
.wyatt-meta i { margin-right: 4px; }
.wyatt-meta a { color: var(--wyatt-primary); font-weight: 500; }

/* ---------- List Item ---------- */
.wyatt-list-item {
    display: flex;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid var(--wyatt-line);
}
.wyatt-list-item:last-child { border-bottom: 0; }
.wyatt-list-thumb {
    flex: 0 0 220px;
    position: relative;
    padding-top: 130px;
    border-radius: var(--wyatt-radius-sm);
    overflow: hidden;
    background: #f1f5f9;
}
.wyatt-list-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.wyatt-list-item:hover .wyatt-list-thumb img { transform: scale(1.05); }
.wyatt-list-content { flex: 1 1 auto; min-width: 0; }
.wyatt-list-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 10px;
    line-height: 1.5;
}
.wyatt-list-content h4 a { color: var(--wyatt-text); }
.wyatt-list-content h4 a:hover { color: var(--wyatt-primary); }
.wyatt-list-desc { color: var(--wyatt-muted); font-size: 14px; margin: 0 0 12px; }
@media (max-width: 575.98px) {
    .wyatt-list-item { flex-direction: column; gap: 12px; }
    .wyatt-list-thumb { flex: none; padding-top: 56%; }
}

/* ---------- Main Box ---------- */
.wyatt-main-box {
    background: var(--wyatt-white);
    border: 1px solid var(--wyatt-line);
    border-radius: var(--wyatt-radius);
    box-shadow: var(--wyatt-shadow);
    margin-bottom: 24px;
    overflow: hidden;
}
.wyatt-main-box-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--wyatt-line);
}
.wyatt-main-box-head h1,
.wyatt-main-box-head h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    padding-left: 12px;
    border-left: 4px solid var(--wyatt-primary);
    line-height: 1.3;
}
.wyatt-main-box-body { padding: 20px; }

/* ---------- Side Box ---------- */
.wyatt-side-box {
    background: var(--wyatt-white);
    border: 1px solid var(--wyatt-line);
    border-radius: var(--wyatt-radius);
    box-shadow: var(--wyatt-shadow);
    margin-bottom: 24px;
    overflow: hidden;
}
.wyatt-side-box-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--wyatt-line);
}
.wyatt-side-box-head h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    padding-left: 12px;
    border-left: 4px solid var(--wyatt-primary);
    line-height: 1.3;
}
.wyatt-side-box-body { padding: 18px; }

/* ---------- Rank ---------- */
.wyatt-rank { list-style: none; margin: 0; padding: 0; counter-reset: rank; }
.wyatt-rank li {
    counter-increment: rank;
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--wyatt-line);
    font-size: 14px;
}
.wyatt-rank li:last-child { border-bottom: 0; }
.wyatt-rank li::before {
    content: counter(rank);
    flex: 0 0 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    border-radius: 6px;
    background: #f1f5f9;
    color: var(--wyatt-muted);
    font-size: 12px;
    font-weight: 600;
    margin-top: 2px;
}
.wyatt-rank li:nth-child(-n+3)::before { background: var(--wyatt-accent); color: #fff; }
.wyatt-rank li a { color: var(--wyatt-text); }
.wyatt-rank li a:hover { color: var(--wyatt-primary); }

/* ---------- Tags ---------- */
.wyatt-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.wyatt-tags a {
    display: inline-block;
    padding: 5px 14px;
    border: 1px solid var(--wyatt-line);
    border-radius: 20px;
    font-size: 13px;
    color: var(--wyatt-muted);
    background: var(--wyatt-body);
    transition: all .2s;
}
.wyatt-tags a:hover {
    background: var(--wyatt-primary);
    border-color: var(--wyatt-primary);
    color: #fff;
}
.wyatt-tags-label {
    color: var(--wyatt-muted);
    font-size: 13px;
    line-height: 28px;
}

/* ---------- Breadcrumb ---------- */
.wyatt-crumb { padding: 16px 0; font-size: 13px; color: var(--wyatt-muted); }
.wyatt-crumb ul { margin: 0; padding: 0; flex-wrap: wrap; }
.wyatt-crumb li + li::before { content: "/"; margin: 0 8px; color: #cbd5e1; }
.wyatt-crumb a { color: var(--wyatt-muted); }
.wyatt-crumb a:hover { color: var(--wyatt-primary); }

/* ---------- Article ---------- */
.wyatt-article-title {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 16px;
    color: var(--wyatt-text);
}
.wyatt-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13.5px;
    color: var(--wyatt-muted);
    padding-bottom: 18px;
    border-bottom: 1px solid var(--wyatt-line);
    margin-bottom: 22px;
}
.wyatt-content {
    font-size: 16px;
    line-height: 1.9;
    color: #334155;
    word-wrap: break-word;
}
.wyatt-content p { margin-bottom: 1.2rem; }
.wyatt-content img {
    height: auto !important;
    border-radius: var(--wyatt-radius-sm);
    margin: 12px 0;
    display: block;
}
.wyatt-content h2, .wyatt-content h3, .wyatt-content h4 {
    font-weight: 700;
    margin: 1.8rem 0 1rem;
    line-height: 1.4;
    color: var(--wyatt-text);
}
.wyatt-content h2 { font-size: 1.4rem; }
.wyatt-content h3 { font-size: 1.2rem; }
.wyatt-content blockquote {
    border-left: 4px solid var(--wyatt-accent);
    background: #fef3c7;
    padding: 14px 18px;
    color: #78350f;
    margin: 1.4rem 0;
    border-radius: 0 var(--wyatt-radius-sm) var(--wyatt-radius-sm) 0;
}
.wyatt-content table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; }
.wyatt-content table td, .wyatt-content table th {
    border: 1px solid var(--wyatt-line);
    padding: 10px 12px;
}

.wyatt-nextprev {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 26px;
}
.wyatt-nextprev div {
    background: var(--wyatt-body);
    border: 1px solid var(--wyatt-line);
    border-radius: var(--wyatt-radius-sm);
    padding: 14px 16px;
    font-size: 14px;
}
.wyatt-nextprev p { color: var(--wyatt-muted); font-size: 12px; margin: 0 0 6px; }
@media (max-width: 575.98px) { .wyatt-nextprev { grid-template-columns: 1fr; } }

/* ---------- Tag Header ---------- */
.wyatt-tag-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--wyatt-line);
}
.wyatt-tag-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--wyatt-radius);
    background: var(--wyatt-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 60px;
}
.wyatt-tag-icon i { font-size: 24px; }

/* ---------- About ---------- */
.wyatt-about-img {
    border-radius: var(--wyatt-radius);
    box-shadow: var(--wyatt-shadow-lg);
}
.wyatt-about-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--wyatt-text);
}
.wyatt-about-text {
    color: var(--wyatt-text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* ---------- Feature Card ---------- */
.wyatt-feature-card {
    background: var(--wyatt-white);
    border: 1px solid var(--wyatt-line);
    border-radius: var(--wyatt-radius);
    padding: 28px 24px;
    text-align: center;
    transition: all .25s;
    height: 100%;
}
.wyatt-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--wyatt-shadow-md);
}
.wyatt-feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--wyatt-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.wyatt-feature-icon i { font-size: 28px; color: var(--wyatt-primary); }
.wyatt-feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--wyatt-text);
}
.wyatt-feature-text {
    color: var(--wyatt-muted);
    font-size: 14px;
    margin: 0;
    line-height: 1.6;
}

/* ---------- Pagination ---------- */
.page-control { display: flex; justify-content: center; margin-top: 26px; }
.page-control .pagination { flex-wrap: wrap; gap: 6px; margin: 0; }
.page-control .page-item { list-style: none; }
.page-control .page-link,
.page-control .page-item.active .page-link {
    border: 1px solid var(--wyatt-line);
    border-radius: 8px;
    color: var(--wyatt-text);
    padding: 7px 14px;
    font-size: 14px;
}
.page-control .page-link:hover {
    background: var(--wyatt-primary);
    border-color: var(--wyatt-primary);
    color: #fff;
}
.page-control .page-item.active .page-link {
    background: var(--wyatt-primary);
    border-color: var(--wyatt-primary);
    color: #fff;
}

/* ---------- Empty ---------- */
.wyatt-empty { text-align: center; padding: 50px 16px; color: #94a3b8; }
.wyatt-empty i { font-size: 44px; display: block; margin-bottom: 14px; color: #cbd5e1; }

/* ---------- Search Box ---------- */
.wyatt-search-box {
    display: flex;
    gap: 10px;
}
.wyatt-search-box .form-control {
    flex: 1;
    background: var(--wyatt-body);
    border: 1px solid var(--wyatt-line);
    border-radius: 8px;
    padding: 10px 14px;
}
.wyatt-search-box .form-control:focus {
    background: var(--wyatt-white);
    border-color: var(--wyatt-primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,.1);
}

/* ---------- Footer ---------- */
.wyatt-footer {
    background: #0f172a;
    color: rgba(255,255,255,.7);
    padding: 44px 0 24px;
    margin-top: 50px;
}
.wyatt-footer h5 {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 18px;
}
.wyatt-footer-desc { font-size: 14px; line-height: 1.7; margin-bottom: 14px; }
.wyatt-footer a { color: rgba(255,255,255,.7); font-size: 14px; }
.wyatt-footer a:hover { color: var(--wyatt-accent); }
.wyatt-footer ul { list-style: none; padding: 0; margin: 0; }
.wyatt-footer ul li { margin-bottom: 10px; }
.wyatt-footer-links { display: flex; flex-wrap: wrap; gap: 10px 20px; font-size: 13px; }
.wyatt-footer-latest li a { display: block; }
.wyatt-copy {
    border-top: 1px solid rgba(255,255,255,.1);
    margin-top: 28px;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,.5);
}

/* ---------- Back to Top ---------- */
.wyatt-totop {
    position: fixed;
    right: 20px;
    bottom: 26px;
    width: 44px;
    height: 44px;
    line-height: 44px;
    text-align: center;
    border-radius: 50%;
    background: var(--wyatt-primary);
    color: #fff;
    box-shadow: var(--wyatt-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all .25s;
    z-index: 99;
}
.wyatt-totop.show { opacity: 1; visibility: visible; }
.wyatt-totop:hover { background: var(--wyatt-primary-dark); color: #fff; }