/* =====================================================
   汪汪星球 · 狗狗主题个人博客样式
   ===================================================== */

:root {
    --bg:          #fbf6ee;
    --bg-tinted:   #f6ecdc;
    --card:        #fffdf8;
    --primary:     #e0782d;
    --primary-dark:#c25e18;
    --primary-soft:#fbe4cd;
    --ink:         #4a3423;
    --ink-soft:    #8a7159;
    --line:        #ecdfc9;
    --shadow:      0 10px 30px rgba(106, 74, 42, 0.10);
    --shadow-lg:   0 18px 50px rgba(106, 74, 42, 0.16);
    --radius:      20px;
    --font:        -apple-system, BlinkMacSystemFont, "PingFang SC",
                   "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--primary-dark); text-decoration: none; }
a:hover { opacity: .85; }

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}
.container--narrow { width: min(760px, 92%); }

/* ============ 顶部导航 ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(251, 246, 238, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
}
.site-logo__icon { font-size: 28px; }
.site-logo__text {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav { display: flex; gap: 6px; }
.nav__link {
    padding: 8px 16px;
    border-radius: 999px;
    color: var(--ink-soft);
    font-size: 15px;
    font-weight: 600;
    transition: all .2s;
}
.nav__link:hover { color: var(--primary-dark); background: var(--primary-soft); opacity: 1; }
.nav__link.is-active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 4px 12px rgba(224, 120, 45, .35);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: all .25s;
}

/* ============ Hero ============ */
.hero {
    position: relative;
    overflow: hidden;
    padding: 110px 0 130px;
}
.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: saturate(1.05);
}
.hero__bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(251,246,238,.78) 0%, rgba(251,246,238,.55) 55%, var(--bg) 100%);
}
.hero__inner {
    position: relative;
    text-align: center;
    z-index: 1;
}
.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 999px;
    background: #fff;
    box-shadow: var(--shadow);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
    margin-bottom: 22px;
}
.hero__title {
    font-size: clamp(34px, 6vw, 58px);
    font-weight: 900;
    letter-spacing: 2px;
    line-height: 1.25;
    text-shadow: 0 2px 20px rgba(255,255,255,.8);
}
.hero__desc {
    margin: 22px auto 0;
    font-size: 17px;
    color: var(--ink-soft);
    max-width: 620px;
}
.hero__actions {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero__paws {
    margin-top: 46px;
    font-size: 26px;
    letter-spacing: 16px;
    opacity: .5;
}

/* ============ 按钮 ============ */
.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: all .25s;
    border: 2px solid transparent;
}
.btn--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 8px 20px rgba(224, 120, 45, .35);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(224,120,45,.45); opacity: 1; }
.btn--ghost {
    color: var(--primary-dark);
    border-color: var(--primary);
    background: rgba(255,255,255,.6);
}
.btn--ghost:hover { background: #fff; transform: translateY(-2px); opacity: 1; }
.btn--sm { padding: 10px 22px; font-size: 14px; }

/* ============ 区块 ============ */
.section { padding: 72px 0; }
.section--tinted { background: var(--bg-tinted); }
.section__head {
    text-align: center;
    margin-bottom: 44px;
}
.section__title {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: 1px;
}
.section__subtitle {
    margin-top: 8px;
    color: var(--ink-soft);
    font-size: 15px;
}
.section__more {
    display: inline-block;
    margin-top: 10px;
    font-weight: 700;
    font-size: 14px;
}

/* ============ 分类卡片 ============ */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.cat-card {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .3s, box-shadow .3s;
    color: var(--ink);
}
.cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    opacity: 1;
}
.cat-card__media { aspect-ratio: 16/10; overflow: hidden; }
.cat-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.cat-card:hover .cat-card__media img { transform: scale(1.06); }
.cat-card__body { padding: 22px 24px 26px; }
.cat-card__icon { font-size: 30px; }
.cat-card__title { font-size: 21px; font-weight: 800; margin-top: 6px; }
.cat-card__desc { margin-top: 8px; color: var(--ink-soft); font-size: 14px; min-height: 42px; }
.cat-card__more {
    display: inline-block;
    margin-top: 14px;
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 14px;
}

/* ============ 文章卡片 ============ */
.post-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.post-card {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: transform .3s, box-shadow .3s;
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.post-card__cover { position: relative; aspect-ratio: 16/10; overflow: hidden; display: block; }
.post-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.post-card:hover .post-card__cover img { transform: scale(1.06); }
.post-card__badge {
    position: absolute;
    left: 14px; top: 14px;
    padding: 5px 14px;
    border-radius: 999px;
    background: rgba(74, 52, 35, .72);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    backdrop-filter: blur(4px);
}
.post-card__body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.post-card__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 12.5px;
    color: var(--ink-soft);
    margin-bottom: 8px;
}
.post-tag {
    padding: 2px 10px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 600;
}
.post-card__title { font-size: 18px; font-weight: 800; line-height: 1.5; }
.post-card__title a { color: var(--ink); }
.post-card__title a:hover { color: var(--primary-dark); opacity: 1; }
.post-card__summary {
    margin-top: 8px;
    color: var(--ink-soft);
    font-size: 13.5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.empty-tip {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    color: var(--ink-soft);
    font-size: 16px;
}

/* ============ 关于页 ============ */
.page-hero {
    position: relative;
    overflow: hidden;
    padding: 84px 0;
    text-align: center;
}
.page-hero--plain { background: linear-gradient(160deg, var(--primary-soft), var(--bg) 70%); }
.page-hero__icon { font-size: 42px; }
.page-hero__title { font-size: 36px; font-weight: 900; margin-top: 6px; letter-spacing: 2px; }
.page-hero__desc { margin-top: 10px; color: var(--ink-soft); font-size: 16px; }
.page-hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .18;
}
.page-hero__inner { position: relative; z-index: 1; }

.profile-card {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 36px;
    align-items: center;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px;
}
.profile-card__avatar {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    border: 6px solid var(--primary-soft);
    box-shadow: var(--shadow);
}
.profile-card__name { font-size: 24px; font-weight: 800; }
.profile-card__bio { margin-top: 12px; color: var(--ink-soft); font-size: 15px; }
.profile-card__facts {
    margin-top: 18px;
    list-style: none;
    display: grid;
    gap: 8px;
    font-size: 14px;
    color: var(--ink);
    background: var(--bg-tinted);
    border-radius: 14px;
    padding: 16px 20px;
}

/* 毛孩子卡片 */
.pet-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.pet-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 34px 32px;
    text-align: center;
    transition: transform .3s;
}
.pet-card:hover { transform: translateY(-5px); }
.pet-card__emoji { font-size: 54px; }
.pet-card__name { font-size: 22px; font-weight: 800; margin-top: 8px; }
.pet-card__type { color: var(--primary-dark); font-weight: 700; font-size: 13.5px; margin-top: 2px; }
.pet-card__desc { margin-top: 12px; color: var(--ink-soft); font-size: 14.5px; text-align: left; }
.pet-card__tags { margin-top: 16px; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.pet-card__tags span {
    padding: 4px 14px;
    border-radius: 999px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 12.5px;
    font-weight: 700;
}

/* 时间线 */
.timeline {
    position: relative;
    margin-top: 20px;
    padding-left: 34px;
}
.timeline::before {
    content: "";
    position: absolute;
    left: 10px; top: 8px; bottom: 8px;
    width: 3px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--primary), var(--primary-soft));
}
.timeline__item { position: relative; padding-bottom: 34px; }
.timeline__dot {
    position: absolute;
    left: -31px; top: 6px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: #fff;
    border: 4px solid var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}
.timeline__body h4 { font-size: 17px; font-weight: 800; }
.timeline__body p { margin-top: 6px; color: var(--ink-soft); font-size: 14.5px; }

/* CTA */
.cta-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    padding: 48px;
    text-align: center;
    color: #fff;
    box-shadow: var(--shadow-lg);
}
.cta-card__title { font-size: 24px; font-weight: 800; }
.cta-card__desc { margin-top: 8px; opacity: .92; }
.cta-card__actions { margin-top: 24px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-card .btn--ghost { border-color: #fff; color: #fff; background: transparent; }
.cta-card .btn--ghost:hover { background: rgba(255,255,255,.14); }

/* ============ 文章详情页 ============ */
.article { padding-top: 56px; }
.breadcrumb { font-size: 13px; color: var(--ink-soft); display: flex; gap: 8px; }
.article__title {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 900;
    line-height: 1.4;
    margin-top: 14px;
}
.article__meta {
    margin-top: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--ink-soft);
    font-size: 13.5px;
}
.article__tag { color: var(--primary-dark); font-weight: 700; }
.article__cover {
    margin-top: 30px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 21/10;
}
.article__cover img { width: 100%; height: 100%; object-fit: cover; }

.article__content { margin-top: 40px; }
.article__footer { margin-top: 48px; padding-top: 30px; border-top: 1px dashed var(--line); }
.article__sign { color: var(--ink-soft); font-size: 14px; text-align: center; }
.article__nav {
    margin-top: 26px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
.article__nav-item {
    flex: 1;
    max-width: 46%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    border-radius: 14px;
    background: var(--card);
    border: 1px solid var(--line);
    transition: all .25s;
}
.article__nav-item:hover { border-color: var(--primary); opacity: 1; transform: translateY(-2px); }
.article__nav-item span { font-size: 12px; color: var(--ink-soft); }
.article__nav-item strong { font-size: 15px; color: var(--ink); }
.article__nav-item--next { text-align: right; }

/* ============ Markdown 正文排版 ============ */
.markdown-body { font-size: 16px; }
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    font-weight: 800;
    line-height: 1.45;
    margin: 1.6em 0 .7em;
    letter-spacing: .5px;
}
.markdown-body h1 { font-size: 1.75em; }
.markdown-body h2 {
    font-size: 1.45em;
    padding-bottom: .35em;
    border-bottom: 2px solid var(--primary-soft);
}
.markdown-body h3 { font-size: 1.22em; color: var(--primary-dark); }
.markdown-body h4 { font-size: 1.05em; }
.markdown-body p { margin: .9em 0; }
.markdown-body a { font-weight: 600; border-bottom: 1px solid var(--primary-soft); }
.markdown-body strong { color: var(--primary-dark); }
.markdown-body ul, .markdown-body ol { padding-left: 1.6em; margin: .9em 0; }
.markdown-body li { margin: .35em 0; }
.markdown-body blockquote {
    margin: 1.3em 0;
    padding: 16px 22px;
    border-left: 4px solid var(--primary);
    background: var(--primary-soft);
    border-radius: 0 14px 14px 0;
    color: var(--ink);
    font-style: normal;
}
.markdown-body blockquote p { margin: .2em 0; }
.markdown-body code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    background: var(--bg-tinted);
    color: var(--primary-dark);
    padding: 2px 7px;
    border-radius: 6px;
    font-size: .88em;
}
.markdown-body pre {
    background: #3a2a1c;
    color: #f6e8d6;
    padding: 20px 24px;
    border-radius: 14px;
    overflow-x: auto;
    margin: 1.4em 0;
    font-size: 14px;
    line-height: 1.7;
}
.markdown-body pre code {
    background: none;
    color: inherit;
    padding: 0;
}
.markdown-body img {
    border-radius: 14px;
    margin: 1.2em auto;
    box-shadow: var(--shadow);
}
.markdown-body hr {
    border: none;
    border-top: 2px dashed var(--line);
    margin: 2.4em 0;
}
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.4em 0;
    font-size: 14.5px;
}
.markdown-body th, .markdown-body td {
    border: 1px solid var(--line);
    padding: 10px 14px;
    text-align: left;
}
.markdown-body th { background: var(--primary-soft); font-weight: 700; }

/* ============ 分页 ============ */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 52px;
}
.pagination__item {
    min-width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    border-radius: 12px;
    background: var(--card);
    border: 1px solid var(--line);
    color: var(--ink);
    font-weight: 700;
    transition: all .2s;
}
.pagination__item:hover { border-color: var(--primary); opacity: 1; }
.pagination__item.is-current {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-color: transparent;
}

/* ============ 首页关于条 ============ */
.about-strip {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 32px;
    align-items: center;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px 40px;
}
.about-strip__avatar {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 50%;
    border: 6px solid var(--primary-soft);
}
.about-strip__tag {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--primary-dark);
    background: var(--primary-soft);
    padding: 4px 14px;
    border-radius: 999px;
}
.about-strip__title { font-size: 22px; font-weight: 800; margin-top: 10px; }
.about-strip__text { margin-top: 10px; color: var(--ink-soft); font-size: 14.5px; }
.about-strip .btn { margin-top: 18px; }

/* ============ 页脚 ============ */
.site-footer {
    background: #3a2a1c;
    color: #e8d9c4;
    margin-top: 40px;
}
.site-footer__inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    padding: 60px 0 44px;
}
.site-footer__logo { font-size: 34px; }
.site-footer__name { font-size: 19px; font-weight: 800; margin-top: 6px; color: #fff; }
.site-footer__slogan { font-size: 13.5px; opacity: .8; margin-top: 6px; }
.site-footer__title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 12px; letter-spacing: 1px; }
.site-footer__links a {
    display: block;
    color: #d9c3a6;
    font-size: 13.5px;
    padding: 4px 0;
    transition: color .2s;
}
.site-footer__links a:hover { color: #ffca9a; opacity: 1; }
.site-footer__note { font-size: 13px; opacity: .78; }
.site-footer__bottom {
    border-top: 1px solid rgba(255,255,255,.12);
    padding: 18px 0;
    text-align: center;
    font-size: 12.5px;
    opacity: .7;
}

/* ============ 响应式 ============ */
@media (max-width: 900px) {
    .cat-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
    .profile-card { grid-template-columns: 1fr; text-align: center; }
    .profile-card__avatar { width: 180px; margin: 0 auto; }
    .profile-card__facts { text-align: left; }
    .about-strip { grid-template-columns: 1fr; text-align: center; }
    .about-strip__avatar { width: 160px; margin: 0 auto; }
}

@media (max-width: 640px) {
    .section { padding: 52px 0; }
    .cat-grid, .post-grid, .pet-grid { grid-template-columns: 1fr; }
    .site-footer__inner { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 32px; }
    .article__nav { flex-direction: column; }
    .article__nav-item { max-width: 100%; }
    .hero { padding: 70px 0 90px; }

    /* 移动端导航 */
    .nav {
        display: none;
        position: absolute;
        top: 68px; left: 0; right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        padding: 12px 4%;
        gap: 4px;
        box-shadow: var(--shadow);
    }
    .nav.is-open { display: flex; }
    .nav__link { padding: 12px 16px; }
    .nav-toggle { display: flex; }
}

/* 上浮动画 */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}
.cat-card, .post-card, .pet-card, .profile-card, .about-strip {
    animation: fadeUp .6s ease both;
}
.cat-card:nth-child(2), .post-card:nth-child(2), .pet-card:nth-child(2) { animation-delay: .1s; }
.cat-card:nth-child(3), .post-card:nth-child(3) { animation-delay: .2s; }