/* ============================================================
   蜀韵木艺 Cozy Tea Table — Bootstrap 5 主题样式
   ============================================================ */
:root {
    --cozy-primary: #a4683c;        /* 茶木棕（主色） */
    --cozy-primary-dark: #7c4a28;   /* 深茶木 */
    --cozy-primary-light: #c98f5f;  /* 浅茶木 */
    --cozy-accent: #d9a05b;         /* 暖金（点缀） */
    --cozy-cream: #faf6f0;          /* 奶油底 */
    --cozy-paper: #fffdf9;          /* 卡片底 */
    --cozy-ink: #3e342c;            /* 正文深棕 */
    --cozy-ink-soft: #6b5d4f;       /* 次要文字 */
    --cozy-border: #efe5d8;         /* 分隔线 */
    --cozy-tea: #6b8f5e;            /* 茶叶绿（辅助） */
    --bs-body-font-family: "Lora", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --bs-body-color: var(--cozy-ink);
    --bs-body-bg: var(--cozy-cream);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--bs-body-font-family);
    background-color: var(--cozy-cream);
    color: var(--cozy-ink);
    line-height: 1.75;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--cozy-ink);
    letter-spacing: 0.01em;
}

a { color: var(--cozy-primary); transition: color 0.2s ease; }
a:hover { color: var(--cozy-primary-dark); }

img { max-width: 100%; }

/* ---------- 顶部导航 ---------- */
.cozy-navbar {
    background: #4a3525;              /* 深暖木色实底，与页脚同色系 */
    box-shadow: 0 2px 14px rgba(58, 42, 29, 0.45);
}
.cozy-navbar .navbar-brand {
    font-weight: 700;
    color: #fff;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
}
.cozy-navbar .navbar-brand small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--cozy-accent);
    letter-spacing: 0.2em;
}
.cozy-navbar .nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.55rem 0.95rem !important;
    border-radius: 0.375rem;
    transition: color 0.2s ease, background 0.2s ease;
}
.cozy-navbar .nav-link::after {
    content: "";
    position: absolute;
    left: 0.95rem;
    right: 0.95rem;
    bottom: 0.3rem;
    height: 2px;
    border-radius: 1px;
    background: var(--cozy-accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 0.25s ease;
}
.cozy-navbar .nav-link:hover,
.cozy-navbar .nav-link:focus,
.cozy-navbar .nav-link.active {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.14);
}
.cozy-navbar .nav-link:hover::after,
.cozy-navbar .nav-link:focus::after,
.cozy-navbar .nav-link.active::after { transform: scaleX(1); }
.cozy-navbar .navbar-toggler { border-color: rgba(255, 255, 255, 0.45); }
.cozy-navbar .navbar-toggler-icon { filter: invert(1); }

/* ---------- 页首横幅 / 轮播 ---------- */
.cozy-hero .carousel-item img {
    height: 460px;
    object-fit: cover;
}
.cozy-hero .carousel-caption {
    left: 10%;
    right: 10%;
    bottom: 18%;
    text-align: left;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.15));
    padding: 1.4rem 1.8rem;
    border-radius: 0.75rem;
}
.cozy-hero .carousel-caption .badge { font-size: 0.8rem; }
.cozy-hero .carousel-caption h3 { color: #fff; font-weight: 700; }
.cozy-hero .carousel-caption p { color: rgba(255, 255, 255, 0.9); margin: 0.5rem 0 0; }
.cozy-hero .carousel-indicators [data-bs-target] { background-color: var(--cozy-accent); }

/* ---------- 区块标题 ---------- */
.cozy-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--cozy-border);
}
.cozy-section-title h2 {
    font-size: 1.35rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.cozy-section-title h2::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 1.4rem;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--cozy-accent), var(--cozy-primary));
}
.cozy-section-title a { font-size: 0.9rem; white-space: nowrap; }

/* ---------- 文章卡片 ---------- */
.cozy-card {
    background: var(--cozy-paper);
    border: 1px solid var(--cozy-border);
    border-radius: 0.75rem;
    overflow: hidden;
    height: 100%;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cozy-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(124, 74, 40, 0.18);
}
.cozy-card .card-img-wrap {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}
.cozy-card .card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.cozy-card:hover .card-img-wrap img { transform: scale(1.06); }
.cozy-card .card-img-wrap .badge {
    position: absolute;
    left: 0.75rem;
    top: 0.75rem;
    background: rgba(124, 74, 40, 0.92);
    color: #fff;
}
.cozy-card .card-body { padding: 1.1rem 1.1rem 0.9rem; }
.cozy-card .card-title { font-size: 1.05rem; line-height: 1.45; margin-bottom: 0.5rem; }
.cozy-card .card-title a { color: var(--cozy-ink); text-decoration: none; }
.cozy-card .card-title a:hover { color: var(--cozy-primary); }
.cozy-card .card-text { color: var(--cozy-ink-soft); font-size: 0.9rem; }
.cozy-card .card-meta { font-size: 0.8rem; color: var(--cozy-ink-soft); }
.cozy-card .card-meta .badge {
    background: #f3ead9;
    color: var(--cozy-ink-soft);
    font-weight: 400;
    font-size: 0.78rem;
    padding: 0.35em 0.75em;
    transition: background 0.2s ease, color 0.2s ease;
}
.cozy-card .card-meta .badge:hover {
    background: var(--cozy-primary);
    color: #fff;
}

/* 无图卡片（文字卡片） */
.cozy-card-text {
    background: linear-gradient(135deg, var(--cozy-paper), #f3ead9);
    border: 1px solid var(--cozy-border);
    border-radius: 0.75rem;
    padding: 1.2rem;
    height: 100%;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cozy-card-text:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 30px rgba(124, 74, 40, 0.18);
}
.cozy-card-text .card-title { font-size: 1.05rem; }
.cozy-card-text .card-title a { color: var(--cozy-ink); text-decoration: none; }
.cozy-card-text .card-title a:hover { color: var(--cozy-primary); }

/* ---------- 页头 / 面包屑 ---------- */
.cozy-page-header {
    background: linear-gradient(135deg, #f7eedd, #efe2cf);
    border-bottom: 1px solid var(--cozy-border);
    padding: 2.2rem 0 1.8rem;
}
.cozy-page-header h1 { font-size: 1.6rem; margin-bottom: 0.3rem; }
.cozy-page-header .breadcrumb { margin: 0; font-size: 0.9rem; }
.cozy-page-header .breadcrumb-item + .breadcrumb-item::before { color: var(--cozy-primary-light); }

/* ---------- 侧边栏 ---------- */
.cozy-sidebar .card {
    background: var(--cozy-paper);
    border: 1px solid var(--cozy-border);
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
}
.cozy-sidebar .card-header {
    background: transparent;
    border-bottom: 2px solid var(--cozy-border);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 0.9rem 1.1rem;
}
.cozy-sidebar .list-group-item {
    background: transparent;
    border: 0;
    border-bottom: 1px dashed var(--cozy-border);
    padding: 0.55rem 1.1rem;
    color: var(--cozy-ink);
}
.cozy-sidebar .list-group-item:last-child { border-bottom: 0; }
.cozy-sidebar .list-group-item a { text-decoration: none; color: var(--cozy-ink-soft); }
.cozy-sidebar .list-group-item a:hover { color: var(--cozy-primary); }

/* 侧边栏：关于我们组件 */
.cozy-sidebar .about-widget .about-img {
    width: 100%;
    max-height: 130px;
    object-fit: cover;
    border-radius: 0.5rem;
    margin-bottom: 0.9rem;
}
.cozy-sidebar .about-widget .about-title { font-size: 1rem; margin-bottom: 0.4rem; }
.cozy-sidebar .about-widget .about-text {
    font-size: 0.85rem;
    color: var(--cozy-ink-soft);
    line-height: 1.7;
    margin-bottom: 0.8rem;
}

/* 侧边栏：标签云（与分类/关于统一暖色系） */
.cozy-sidebar .tag-cloud { padding: 1rem 1.1rem 1.2rem; }
.tag-cloud .badge {
    background: #f3ead9;
    color: var(--cozy-ink-soft);
    font-weight: 400;
    font-size: 0.82rem;
    padding: 0.45em 0.9em;
    margin: 0 0.25rem 0.4rem 0;
    transition: background 0.2s ease, color 0.2s ease;
}
.tag-cloud .badge:hover {
    background: var(--cozy-primary);
    color: #fff;
}

/* ---------- 分页 ---------- */
.cozy-pagination .page-link {
    color: var(--cozy-primary);
    border-color: var(--cozy-border);
    background: var(--cozy-paper);
    border-radius: 0.5rem !important;
    margin: 0 0.15rem;
}
.cozy-pagination .page-item.active .page-link {
    background: var(--cozy-primary);
    border-color: var(--cozy-primary);
    color: #fff;
}
.cozy-pagination .page-item.disabled .page-link { color: #cbb9a8; }

/* ---------- 文章详情 ---------- */
.cozy-article {
    background: var(--cozy-paper);
    border: 1px solid var(--cozy-border);
    border-radius: 0.75rem;
    padding: 2rem 2.2rem;
}
.cozy-article .article-title { font-size: 1.8rem; line-height: 1.4; }
.cozy-article .article-meta { color: var(--cozy-ink-soft); font-size: 0.9rem; }
.cozy-article .article-main-img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: 0.5rem;
    margin: 1rem 0;
}
.cozy-article .article-content { font-size: 1.02rem; line-height: 2; color: var(--cozy-ink); }
.cozy-article .article-content img { max-width: 100%; height: auto; border-radius: 0.4rem; }
.cozy-article .article-content p { margin-bottom: 1.1rem; }
.cozy-article .article-content h2,
.cozy-article .article-content h3,
.cozy-article .article-content h4 { margin-top: 1.4rem; margin-bottom: 0.8rem; }
.cozy-article .article-content a { text-decoration: underline; }
.cozy-article .article-content pre {
    background: #f8f4ee;
    border: 1px solid var(--cozy-border);
    border-radius: 0.5rem;
    padding: 1rem;
    overflow-x: auto;
}
.cozy-article .article-content blockquote {
    border-left: 4px solid var(--cozy-accent);
    padding: 0.4rem 1rem;
    color: var(--cozy-ink-soft);
    background: #fbf6ee;
    border-radius: 0 0.5rem 0.5rem 0;
}

/* 上一篇 / 下一篇 */
.cozy-pn-link {
    display: block;
    background: #f8f1e6;
    border: 1px solid var(--cozy-border);
    border-radius: 0.75rem;
    padding: 0.9rem 1.1rem;
    text-decoration: none;
    color: var(--cozy-ink);
    height: 100%;
    transition: background 0.2s ease, transform 0.2s ease;
}
.cozy-pn-link:hover { background: #f0e3cf; transform: translateY(-3px); color: var(--cozy-ink); }
.cozy-pn-link .pn-label { font-size: 0.8rem; color: var(--cozy-primary); font-weight: 600; }
.cozy-pn-link .pn-title { font-size: 0.95rem; font-weight: 600; margin-top: 0.2rem; }
.cozy-pn-link .pn-desc { font-size: 0.82rem; color: var(--cozy-ink-soft); margin-top: 0.3rem; }

/* ---------- 关于页 ---------- */
.cozy-about { background: var(--cozy-paper); border: 1px solid var(--cozy-border); border-radius: 0.75rem; padding: 2.2rem; }
.cozy-about .about-content { font-size: 1.02rem; line-height: 2; }
.cozy-about .about-content img { max-width: 100%; height: auto; border-radius: 0.5rem; }

/* ---------- 404 / 500 ---------- */
.cozy-error { text-align: center; padding: 5rem 1rem 6rem; }
.cozy-error .error-code {
    font-size: 7rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--cozy-primary), var(--cozy-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.cozy-error h2 { font-size: 1.8rem; margin: 1rem 0 0.6rem; }
.cozy-error p { color: var(--cozy-ink-soft); margin-bottom: 1.6rem; }

/* ---------- 页脚 ---------- */
.cozy-footer {
    background: linear-gradient(180deg, #4a3525, #3a2a1d);
    color: rgba(255, 255, 255, 0.85);
    margin-top: 4rem;
}
.cozy-footer h5 { color: #fff; margin-bottom: 1.1rem; font-size: 1.05rem; }
.cozy-footer a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.cozy-footer a:hover { color: var(--cozy-accent); }
.cozy-footer .footer-tags .badge {
    background: rgba(255, 255, 255, 0.12);
    color: #f3e9dc;
    font-weight: 400;
    margin: 0 0.3rem 0.4rem 0;
    padding: 0.45em 0.8em;
}
.cozy-footer .footer-links li { margin-bottom: 0.35rem; }
.cozy-footer .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ---------- 通用 ---------- */
.btn-cozy {
    background: var(--cozy-primary);
    color: #fff;
    border: 0;
    border-radius: 50rem;
    padding: 0.45rem 1.4rem;
}
.btn-cozy:hover { background: var(--cozy-primary-dark); color: #fff; }

.section-pad { padding: 3rem 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
    .cozy-navbar .search-form { width: 100%; margin-top: 0.6rem; }
    .cozy-hero .carousel-item img { height: 300px; }
}
@media (max-width: 575.98px) {
    .cozy-hero .carousel-item img { height: 220px; }
    .cozy-hero .carousel-caption { bottom: 8%; padding: 0.8rem; }
    .cozy-article { padding: 1.2rem; }
    .cozy-article .article-title { font-size: 1.35rem; }
}