/* ============================================================================
   Aevia — Ghost 主题样式（暖夜 / 余烬橙）
   配色与字体对齐落地页 v3：
     纸面 #F6EFE3 · 墨 #2A2622 · 余烬 #B85C1E · 软余烬 #C8803A
     淡墨 #6F6149 · 卡片 #FBF6EC · 描边 #E7DCC8 · 夜 #1E1A16 · 奶油 #F3E8D4
   标题 Noto Serif SC · 正文 Noto Sans SC · 标签/元信息 JetBrains Mono
   ========================================================================== */

:root {
    --paper: #F6EFE3;
    --ink: #2A2622;
    --ember: #B85C1E;
    --ember-soft: #C8803A;
    --ember-glow: #E7A766;
    --mut: #6F6149;
    --card: #FBF6EC;
    --edge: #E7DCC8;
    --night: #1E1A16;
    --cream: #F3E8D4;

    /* 字体：默认 Aevia 字体；若管理员在 Ghost 后台设了品牌自定义字体，
       --gh-font-heading / --gh-font-body 由 {{ghost_head}} 注入并优先生效。 */
    --serif: var(--gh-font-heading, 'Noto Serif SC'), Georgia, 'Songti SC', serif;
    --sans: var(--gh-font-body, 'Noto Sans SC'), -apple-system, system-ui, 'PingFang SC', sans-serif;
    --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

    --wrap: 1100px;
    --read: 720px;
    --radius: 16px;
    --shadow: 0 1px 2px rgba(42, 38, 34, .04), 0 12px 32px -16px rgba(94, 58, 34, .22);
    --shadow-lift: 0 2px 6px rgba(42, 38, 34, .06), 0 22px 48px -20px rgba(94, 58, 34, .34);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--ember); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--ember-soft); }

::selection { background: rgba(184, 92, 30, .18); color: var(--ink); }

:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 6px; }

.site-wrap {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main { flex: 1 0 auto; }

/* ----------------------------------------------------------- 顶栏（暖夜） */
.site-header {
    background: linear-gradient(165deg, #241a16 0%, #3a261d 46%, #5e3a22 82%, #7a4f2e 100%);
    color: var(--cream);
    border-bottom: 1px solid rgba(231, 167, 102, .14);
}

.site-header-inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
}

.site-brand { display: inline-flex; align-items: center; gap: 10px; }
.site-logo { max-height: 34px; width: auto; }
.site-brand-name {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 22px;
    letter-spacing: .01em;
    color: #FBEFD9;
}
.site-brand:hover .site-brand-name { color: var(--ember-glow); }

.site-nav { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.site-nav .nav {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 0;
    padding: 0;
}
.site-nav .nav-link {
    font-family: var(--mono);
    font-size: 12.5px;
    letter-spacing: .04em;
    color: rgba(246, 239, 227, .82);
}
.site-nav .nav-link:hover { color: var(--ember-glow); }
.site-nav .nav-current .nav-link { color: var(--ember-glow); }

.site-nav-cta {
    font-family: var(--sans);
    font-weight: 600;
    font-size: 13px;
    color: #FFF4E8;
    background: linear-gradient(180deg, var(--ember-soft), var(--ember));
    padding: 8px 16px;
    border-radius: 11px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18);
}
.site-nav-cta:hover { color: #FFF7EE; filter: brightness(1.05); }

/* ------------------------------------------------------------ 首页 hero */
.home-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #FFFDF8 0%, var(--paper) 100%);
    border-bottom: 1px solid var(--edge);
}
.home-hero-inner {
    position: relative;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 84px 24px 72px;
    text-align: center;
    z-index: 1;
}
.home-hero-orb {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle at 36% 30%, #FFE7C2, #E7A766 46%, var(--ember));
    filter: blur(8px);
    opacity: .16;
    pointer-events: none;
}
.home-hero-eyebrow {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .18em;
    color: var(--ember);
    margin: 0 0 16px;
}
.home-hero-title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(34px, 5.6vw, 54px);
    line-height: 1.14;
    margin: 0 0 18px;
    color: var(--ink);
}
.home-hero-desc {
    max-width: 580px;
    margin: 0 auto;
    font-size: clamp(15px, 2.2vw, 18px);
    line-height: 1.74;
    color: var(--mut);
}
.home-hero-rule {
    display: block;
    width: 64px;
    height: 2px;
    margin: 30px auto 0;
    background: linear-gradient(90deg, transparent, var(--ember), transparent);
}

/* ----------------------------------------------------------- 文章列表 */
.feed-wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 56px 24px 72px;
}
.post-feed {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.post-card {
    display: flex;
    flex-direction: column;
    background: var(--card);
    border: 1px solid var(--edge);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lift);
    border-color: rgba(184, 92, 30, .35);
}

.post-card-image-link {
    display: block;
    aspect-ratio: 16 / 9;
    background: linear-gradient(180deg, #FFFDF8, #F3E8D4);
    overflow: hidden;
}
.post-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.post-card:hover .post-card-image { transform: scale(1.04); }

.post-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 22px 24px 20px;
}
.post-card-tag {
    align-self: flex-start;
    font-family: var(--mono);
    font-size: 10.5px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ember);
    background: rgba(184, 92, 30, .09);
    border: 1px solid rgba(184, 92, 30, .2);
    padding: 3px 9px;
    border-radius: 999px;
    margin-bottom: 12px;
}
.post-card-title {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 21px;
    line-height: 1.34;
    margin: 0 0 10px;
}
.post-card-title a { color: var(--ink); }
.post-card-title a:hover { color: var(--ember); }
.post-card-excerpt {
    flex: 1;
    margin: 0 0 18px;
    font-size: 14.5px;
    line-height: 1.66;
    color: var(--mut);
}
.post-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .02em;
    color: var(--mut);
    border-top: 1px solid var(--edge);
    padding-top: 14px;
}
.post-card-author { color: var(--ink); font-weight: 500; }
.post-card-author::after { content: "·"; margin-left: 12px; color: var(--edge); }

/* --------------------------------------------------------------- 分页 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-top: 56px;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--mut);
}
.pagination a {
    padding: 9px 18px;
    border: 1px solid var(--edge);
    border-radius: 11px;
    background: var(--card);
    color: var(--ember);
}
.pagination a:hover { border-color: var(--ember); }
.pagination .page-number { letter-spacing: .04em; }

/* ----------------------------------------------------------- 单篇文章 */
.post-full {
    max-width: var(--read);
    margin: 0 auto;
    padding: 64px 24px 40px;
}
.post-full-header { text-align: center; margin-bottom: 36px; }
.post-full-tag {
    display: inline-block;
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ember);
    margin-bottom: 18px;
}
.post-full-title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(30px, 5vw, 46px);
    line-height: 1.18;
    margin: 0 0 18px;
    color: var(--ink);
}
.post-full-excerpt {
    font-size: 18px;
    line-height: 1.66;
    color: var(--mut);
    margin: 0 auto 22px;
    max-width: 600px;
}
.post-full-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .02em;
    color: var(--mut);
}
.post-full-author { color: var(--ink); font-weight: 500; }

.post-full-image {
    max-width: 1040px;
    margin: 0 auto 48px;
    padding: 0 24px;
}
.post-full-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.post-full-image figcaption {
    margin-top: 12px;
    text-align: center;
    font-size: 13px;
    color: var(--mut);
}

/* 正文排版 */
.post-full-content {
    font-size: 17.5px;
    line-height: 1.82;
    color: #34302A;
}
.gh-content > * { margin: 0 0 1.5em; }
.gh-content h2,
.gh-content h3,
.gh-content h4 {
    font-family: var(--serif);
    color: var(--ink);
    line-height: 1.32;
    margin: 1.8em 0 .7em;
}
.gh-content h2 { font-size: 1.55em; font-weight: 700; }
.gh-content h3 { font-size: 1.28em; font-weight: 600; }
.gh-content h4 { font-size: 1.1em; font-weight: 600; }
.gh-content a { border-bottom: 1px solid rgba(184, 92, 30, .35); }
.gh-content a:hover { border-color: var(--ember); }
.gh-content strong { color: var(--ink); font-weight: 600; }
.gh-content blockquote {
    margin: 1.6em 0;
    padding: 6px 0 6px 22px;
    border-left: 3px solid var(--ember);
    color: var(--mut);
    font-style: italic;
}
.gh-content ul, .gh-content ol { padding-left: 1.4em; }
.gh-content li { margin-bottom: .5em; }
.gh-content img,
.gh-content .kg-card { border-radius: 12px; }

/* Koenig 编辑器宽幅 / 全幅卡片：突破 720px 阅读列 */
.gh-content .kg-width-wide {
    position: relative;
    width: 100%;
    max-width: 1040px;
    margin-left: 50%;
    transform: translateX(-50%);
}
.gh-content .kg-width-full {
    position: relative;
    width: 100vw;
    max-width: 100vw;
    margin-left: 50%;
    transform: translateX(-50%);
    border-radius: 0;
}
.gh-content .kg-width-full img { border-radius: 0; }
.gh-content figcaption { text-align: center; font-size: 13px; color: var(--mut); margin-top: 10px; }
.gh-content hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--edge), transparent);
    margin: 2.4em 0;
}
.gh-content code {
    font-family: var(--mono);
    font-size: .88em;
    background: rgba(184, 92, 30, .08);
    color: #8a4316;
    padding: .15em .4em;
    border-radius: 6px;
}
.gh-content pre {
    background: var(--night);
    color: #F3E8D4;
    padding: 18px 20px;
    border-radius: 12px;
    overflow-x: auto;
    font-family: var(--mono);
    font-size: 14px;
    line-height: 1.6;
}
.gh-content pre code { background: none; color: inherit; padding: 0; }

/* 文章页脚 */
.post-full-footer {
    max-width: var(--read);
    margin: 48px auto 0;
    padding: 28px 24px 0;
    border-top: 1px solid var(--edge);
    text-align: center;
}
.post-full-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 24px; }
.post-full-tag-pill {
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--ember);
    background: rgba(184, 92, 30, .08);
    border: 1px solid rgba(184, 92, 30, .2);
    padding: 5px 12px;
    border-radius: 999px;
}
.post-full-tag-pill:hover { border-color: var(--ember); }
.post-full-back { font-family: var(--mono); font-size: 13px; }

/* 静态页 */
.page-full .post-full-header { margin-bottom: 28px; }

/* ----------------------------------------------------------- 归档页头 */
.archive-header {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 64px 24px 8px;
    text-align: center;
}
.archive-eyebrow {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ember);
    margin: 0 0 12px;
}
.archive-title {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(28px, 4.6vw, 42px);
    margin: 0 0 14px;
    color: var(--ink);
}
.archive-desc { max-width: 560px; margin: 0 auto; color: var(--mut); }

/* --------------------------------------------------------------- 错误页 */
.error-page {
    position: relative;
    max-width: 560px;
    margin: 0 auto;
    padding: 120px 24px 140px;
    text-align: center;
    overflow: hidden;
}
.error-orb {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle at 36% 30%, #FFE7C2, #E7A766 46%, var(--ember));
    filter: blur(10px);
    opacity: .14;
    pointer-events: none;
}
.error-code {
    position: relative;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 76px;
    color: var(--ember);
    margin: 0;
}
.error-title { position: relative; font-family: var(--serif); font-size: 26px; margin: 8px 0 14px; color: var(--ink); }
.error-desc { position: relative; color: var(--mut); margin: 0 0 28px; }
.error-back { position: relative; font-family: var(--mono); font-size: 13px; }

/* --------------------------------------------------------------- 页脚（夜） */
.site-footer {
    background: var(--night);
    color: rgba(243, 232, 212, .8);
    margin-top: 40px;
}
.site-footer-inner {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 48px 24px;
    text-align: center;
}
.site-footer-name {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 20px;
    color: var(--cream);
}
.site-footer-desc {
    max-width: 460px;
    margin: 12px auto 0;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(243, 232, 212, .6);
}
.site-footer-nav {
    display: flex;
    justify-content: center;
    gap: 22px;
    flex-wrap: wrap;
    margin: 26px 0 22px;
}
.site-footer-nav a {
    font-family: var(--mono);
    font-size: 12.5px;
    letter-spacing: .03em;
    color: rgba(243, 232, 212, .78);
}
.site-footer-nav a:hover { color: var(--ember-glow); }
.site-footer-copy {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .04em;
    color: rgba(243, 232, 212, .45);
    margin: 0;
}

/* --------------------------------------------------------------- 响应式 */
@media (max-width: 720px) {
    body { font-size: 16px; }
    .site-header-inner { padding: 16px 18px; }
    .site-nav { gap: 14px; width: 100%; justify-content: flex-start; }
    .site-nav .nav { gap: 16px; }
    .home-hero-inner { padding: 60px 20px 52px; }
    .feed-wrap { padding: 40px 18px 56px; }
    .post-feed { grid-template-columns: 1fr; gap: 22px; }
    .post-full { padding: 44px 20px 32px; }
    .post-full-image { padding: 0 18px; }
    .post-full-content { font-size: 16.5px; }
    .post-full-footer { padding: 24px 18px 0; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}