/* ==========================================================================
   加分笔记 · lqm-aurora 多布局层（真正的"不同界面风格"）
   ── 每个风格 = 一套布局结构 + 一套配色 ──
   data-layout = 结构（magazine / grid / list / textonly / masonry /
                       posterwall / timeline / sidebar / newspaper / reader）
   data-skin   = 配色（见 skins.css）
   ========================================================================== */

:root {
    --serif: "Songti SC", "Source Han Serif SC", "Noto Serif SC", Georgia, "Times New Roman", serif;
}

/* 侧栏默认不出现，只有 sidebar 布局显示 */
.aa-aside { display: none; }

/* --------------------------------------------------------------------------
   1 杂志大图流 magazine
   -------------------------------------------------------------------------- */
html[data-layout="magazine"] .aa-hero {
    display: block;
    position: relative;
    padding: 0;
    min-height: 520px;
    border-radius: var(--r-xl);
    overflow: hidden;
}
html[data-layout="magazine"] .aa-hero-media {
    position: absolute;
    inset: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}
html[data-layout="magazine"] .aa-hero-media img {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: cover;
    object-position: 50% 44%;
}
html[data-layout="magazine"] .aa-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 9, 16, 0) 24%, rgba(6, 9, 16, .55) 58%, rgba(6, 9, 16, .9) 100%);
    pointer-events: none;
}
html[data-layout="magazine"] .aa-hero-body {
    position: relative;
    z-index: 3;
    min-height: 520px;
    padding: 56px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    color: #fff;
}
html[data-layout="magazine"] .aa-hero-title { font-size: 46px; max-width: 900px; }
html[data-layout="magazine"] .aa-hero-excerpt { color: rgba(255, 255, 255, .88); max-width: 620px; }
html[data-layout="magazine"] .aa-hero-meta { color: rgba(255, 255, 255, .8); }
html[data-layout="magazine"] .aa-hero .aa-meta { color: rgba(255, 255, 255, .8); }
html[data-layout="magazine"] .aa-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
html[data-layout="magazine"] .aa-card-media img { aspect-ratio: 16 / 10; }
html[data-layout="magazine"] .aa-card-title { font-size: 22px; }
html[data-layout="magazine"] .aa-grid .aa-card:first-child { grid-column: 1 / -1; }
html[data-layout="magazine"] .aa-grid .aa-card:first-child .aa-card-link { flex-direction: row; align-items: center; gap: 28px; }
html[data-layout="magazine"] .aa-grid .aa-card:first-child .aa-card-media { flex: 1.15; }
html[data-layout="magazine"] .aa-grid .aa-card:first-child .aa-card-body { flex: 1; padding: 24px 26px; }
html[data-layout="magazine"] .aa-grid .aa-card:first-child .aa-card-title { font-size: 27px; }

/* --------------------------------------------------------------------------
   2 卡片网格 grid（默认形态，仅调密度）
   -------------------------------------------------------------------------- */
html[data-layout="grid"] .aa-grid { grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }

/* --------------------------------------------------------------------------
   3 列表流 list —— 一行一篇，左图右文，细线分隔
   -------------------------------------------------------------------------- */
html[data-layout="list"] .aa-hero {
    display: grid;
    grid-template-columns: 320px 1fr;
    align-items: center;
    gap: 30px;
    padding: 22px;
    min-height: 0;
    border-radius: var(--r-lg);
}
html[data-layout="list"] .aa-hero-media { border-radius: var(--r); }
html[data-layout="list"] .aa-hero-media img { aspect-ratio: 16 / 10; }
html[data-layout="list"] .aa-hero-body { padding: 6px 8px; }
html[data-layout="list"] .aa-hero-title { font-size: 30px; text-shadow: none; }
html[data-layout="list"] .aa-hero-excerpt { max-width: none; }
html[data-layout="list"] .aa-hero-btn { display: none; }

html[data-layout="list"] .aa-grid { display: block; }
html[data-layout="list"] .aa-card {
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    animation: none;
}
html[data-layout="list"] .aa-card:hover { transform: none; box-shadow: none; }
html[data-layout="list"] .aa-card-link { flex-direction: row; align-items: center; gap: 26px; padding: 24px 0; }
html[data-layout="list"] .aa-card-media { width: 244px; flex: none; border-radius: var(--r-sm); }
html[data-layout="list"] .aa-card-media img { aspect-ratio: 16 / 10; }
html[data-layout="list"] .aa-card-body { padding: 0; gap: 8px; }
html[data-layout="list"] .aa-card-title { font-size: 21px; }
html[data-layout="list"] .aa-card-excerpt { -webkit-line-clamp: 2; }
html[data-layout="list"] .aa-card-foot { border-top: 0; padding-top: 4px; }
html[data-layout="list"] .aa-card-cta { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   4 纯文字 textonly —— 一个图都不要，全靠字
   -------------------------------------------------------------------------- */
html[data-layout="textonly"] .aa-hero {
    display: block;
    padding: 0 0 26px;
    background: transparent;
    box-shadow: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
}
html[data-layout="textonly"] .aa-hero-media { display: none; }
html[data-layout="textonly"] .aa-hero-body { padding: 0; }
html[data-layout="textonly"] .aa-hero-title { font-size: 40px; color: var(--text); text-shadow: none; }
html[data-layout="textonly"] .aa-hero-excerpt { color: var(--text-2); font-size: 17.5px; max-width: 720px; }
html[data-layout="textonly"] .aa-hero .aa-meta { color: var(--muted); }
html[data-layout="textonly"] .aa-hero-badge { background: var(--chip-bg); color: var(--c1); border-color: var(--chip-line); }
html[data-layout="textonly"] .aa-hero-btn { display: none; }
html[data-layout="textonly"] .aa-grid { display: block; max-width: 860px; margin: 0 auto; }
html[data-layout="textonly"] .aa-card {
    border: 0;
    border-bottom: 1px dashed var(--line-2);
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    animation: none;
}
html[data-layout="textonly"] .aa-card:hover { transform: none; box-shadow: none; }
html[data-layout="textonly"] .aa-card-link { padding: 28px 0; }
html[data-layout="textonly"] .aa-card-media { display: none; }
html[data-layout="textonly"] .aa-card-body { padding: 0; gap: 10px; }
html[data-layout="textonly"] .aa-card-title { font-size: 24px; }
html[data-layout="textonly"] .aa-card-excerpt { -webkit-line-clamp: 3; font-size: 15.5px; color: var(--text-2); }
html[data-layout="textonly"] .aa-card-foot { border-top: 0; padding-top: 4px; }
html[data-layout="textonly"] .aa-card-cta { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   5 瀑布流 masonry —— 两/三列错落，封面高矮不一
   -------------------------------------------------------------------------- */
html[data-layout="masonry"] .aa-hero { padding: 0; overflow: hidden; }
html[data-layout="masonry"] .aa-hero-media img { aspect-ratio: 21 / 9; }
html[data-layout="masonry"] .aa-hero-body { padding: 26px 30px 30px; }
html[data-layout="masonry"] .aa-hero-title { font-size: 30px; }
html[data-layout="masonry"] .aa-grid {
    display: block;
    columns: 3 290px;
    column-gap: 22px;
}
html[data-layout="masonry"] .aa-card {
    break-inside: avoid;
    display: inline-block;
    width: 100%;
    margin: 0 0 22px;
}
html[data-layout="masonry"] .aa-card-media img { aspect-ratio: auto; height: 100%; }
html[data-layout="masonry"] .aa-card:nth-child(3n+1) .aa-card-media img { aspect-ratio: 4 / 5; }
html[data-layout="masonry"] .aa-card:nth-child(3n+2) .aa-card-media img { aspect-ratio: 16 / 11; }
html[data-layout="masonry"] .aa-card:nth-child(3n+3) .aa-card-media img { aspect-ratio: 1 / 1; }
html[data-layout="masonry"] .aa-card-title { font-size: 19px; }

/* --------------------------------------------------------------------------
   6 封面墙 posterwall —— 图片当主角，标题压在图上
   -------------------------------------------------------------------------- */
html[data-layout="posterwall"] .aa-hero {
    display: block;
    position: relative;
    padding: 0;
    min-height: 300px;
    border-radius: var(--r-lg);
    overflow: hidden;
}
html[data-layout="posterwall"] .aa-hero-media {
    position: absolute;
    inset: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}
html[data-layout="posterwall"] .aa-hero-media img { width: 100%; height: 100%; aspect-ratio: auto; object-fit: cover; object-position: 50% 64%; }
html[data-layout="posterwall"] .aa-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, .1) 30%, rgba(0, 0, 0, .72) 100%);
}
html[data-layout="posterwall"] .aa-hero-body {
    position: relative;
    z-index: 3;
    min-height: 300px;
    padding: 34px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
}
html[data-layout="posterwall"] .aa-hero-title { font-size: 34px; }
html[data-layout="posterwall"] .aa-hero-excerpt { display: none; }
html[data-layout="posterwall"] .aa-hero-btn { display: none; }
html[data-layout="posterwall"] .aa-grid { grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 16px; }
html[data-layout="posterwall"] .aa-card { border: 0; }
html[data-layout="posterwall"] .aa-card-link { position: relative; height: 100%; }
html[data-layout="posterwall"] .aa-card-media img { aspect-ratio: 3 / 4; }
html[data-layout="posterwall"] .aa-card-body {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 18px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .74) 78%);
    color: #fff;
}
html[data-layout="posterwall"] .aa-card-title { color: #fff; font-size: 17.5px; }
html[data-layout="posterwall"] .aa-card:hover .aa-card-title { color: #fff; }
html[data-layout="posterwall"] .aa-card-excerpt { display: none; }
html[data-layout="posterwall"] .aa-card-tags .aa-chip {
    background: rgba(255, 255, 255, .22);
    color: #fff;
    border-color: rgba(255, 255, 255, .38);
}
html[data-layout="posterwall"] .aa-card-foot { border-top: 0; padding-top: 6px; }
html[data-layout="posterwall"] .aa-card-foot .aa-meta,
html[data-layout="posterwall"] .aa-card-cta { color: rgba(255, 255, 255, .88); }
html[data-layout="posterwall"] .aa-card-cta { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   7 时间线 timeline —— 一条竖线 + 节点，按时间往下走
   -------------------------------------------------------------------------- */
html[data-layout="timeline"] .aa-hero {
    display: block;
    padding: 0 0 28px;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
}
html[data-layout="timeline"] .aa-hero-media { display: none; }
html[data-layout="timeline"] .aa-hero-body { padding: 0; }
html[data-layout="timeline"] .aa-hero-title { font-size: 32px; color: var(--text); text-shadow: none; }
html[data-layout="timeline"] .aa-hero-excerpt { color: var(--text-2); }
html[data-layout="timeline"] .aa-hero .aa-meta { color: var(--muted); }
html[data-layout="timeline"] .aa-hero-badge { background: var(--chip-bg); color: var(--c1); border-color: var(--chip-line); }
html[data-layout="timeline"] .aa-hero-btn { display: none; }

html[data-layout="timeline"] .aa-grid {
    display: block;
    border-left: 2px solid var(--line-2);
    margin: 26px 0 0 14px;
    padding-left: 34px;
}
html[data-layout="timeline"] .aa-card {
    position: relative;
    border: 0;
    box-shadow: none;
    background: transparent;
    animation: none;
    margin-bottom: 4px;
}
html[data-layout="timeline"] .aa-card:hover { transform: none; box-shadow: none; }
html[data-layout="timeline"] .aa-card::before {
    content: "";
    position: absolute;
    left: -42px;
    top: 26px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--grad);
    box-shadow: 0 0 0 4px var(--bg);
}
html[data-layout="timeline"] .aa-card-media { display: none; }
html[data-layout="timeline"] .aa-card-link { padding: 20px 0 24px; }
html[data-layout="timeline"] .aa-card-body { padding: 0; gap: 8px; }
html[data-layout="timeline"] .aa-card-title { font-size: 22px; }
html[data-layout="timeline"] .aa-card-foot { border-top: 0; padding-top: 2px; }
html[data-layout="timeline"] .aa-card-cta { opacity: 1; transform: none; }

/* --------------------------------------------------------------------------
   8 侧栏经典 sidebar —— 左边一整列固定，右边单列正文
   -------------------------------------------------------------------------- */
html[data-layout="sidebar"] .aa-hero-wrap { display: grid; grid-template-columns: 272px 1fr; gap: 38px; align-items: start; }
html[data-layout="sidebar"] .aa-hero { grid-column: 2; }
html[data-layout="sidebar"] .aa-section { display: grid; grid-template-columns: 272px 1fr; gap: 38px; align-items: start; }
html[data-layout="sidebar"] .aa-aside { display: block; grid-column: 1; grid-row: 1 / span 4; position: sticky; top: 92px; }
html[data-layout="sidebar"] .aa-section-head,
html[data-layout="sidebar"] .aa-filter,
html[data-layout="sidebar"] .aa-grid { grid-column: 2; }
html[data-layout="sidebar"] .aa-grid { grid-template-columns: 1fr; gap: 16px; }
html[data-layout="sidebar"] .aa-card-link { flex-direction: row; align-items: center; gap: 20px; }
html[data-layout="sidebar"] .aa-card-media { width: 190px; flex: none; }
html[data-layout="sidebar"] .aa-card-media img { aspect-ratio: 4 / 3; }
html[data-layout="sidebar"] .aa-card-body { padding: 18px 20px; gap: 8px; }
html[data-layout="sidebar"] .aa-card-title { font-size: 19.5px; }
html[data-layout="sidebar"] .aa-card-excerpt { -webkit-line-clamp: 2; }
html[data-layout="sidebar"] .aa-card-cta { opacity: 1; transform: none; }

/* 侧栏本体 */
.aa-aside-brand { display: flex; flex-direction: column; gap: 8px; }
.aa-aside-logo {
    width: 52px;
    height: 52px;
    border-radius: 15px;
    box-shadow: var(--sh-sm);
    object-fit: cover;
}
.aa-aside-logo-text {
    display: grid;
    place-items: center;
    background: var(--grad);
    color: var(--on-grad);
    font-weight: 700;
    font-size: 22px;
}
.aa-aside-brand strong { font-size: 18px; color: var(--text); }
.aa-aside-brand p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.aa-aside-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin: 18px 0;
}
.aa-aside-stats > div {
    padding: 10px 8px;
    border-radius: var(--r-xs);
    background: var(--card);
    border: 1px solid var(--line);
    text-align: center;
}
.aa-aside-stats b { display: block; font-size: 17px; color: var(--text); }
.aa-aside-stats span { font-size: 11.5px; color: var(--muted); }
.aa-aside-tags h3,
.aa-aside-links h3 {
    margin: 18px 0 10px;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--muted);
}
.aa-aside-tags a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 0;
    font-size: 14.5px;
    color: var(--text-2);
    border-bottom: 1px dashed var(--line);
}
.aa-aside-tags a:hover { color: var(--c1); }
.aa-aside-tags span { font-size: 12px; color: var(--muted); }
.aa-aside-links { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.aa-aside-links a {
    padding: 9px 12px;
    border-radius: var(--r-xs);
    background: var(--card);
    border: 1px solid var(--line);
    font-size: 14px;
    color: var(--text-2);
    box-shadow: var(--sh-sm);
}
.aa-aside-links a:hover { color: var(--c1); border-color: var(--card-hover-line); }

/* --------------------------------------------------------------------------
   9 报刊头版 newspaper —— 报头 + 一大两小多栏
   -------------------------------------------------------------------------- */
html[data-layout="newspaper"] .aa-hero {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    align-items: center;
    gap: 28px;
    padding: 26px;
    border-radius: var(--r-sm);
}
html[data-layout="newspaper"] .aa-hero-media img { aspect-ratio: 16 / 9; }
html[data-layout="newspaper"] .aa-hero-body { padding: 0; }
html[data-layout="newspaper"] .aa-hero-title { font-size: 34px; font-family: var(--serif); }
html[data-layout="newspaper"] .aa-hero-excerpt { max-width: none; }
html[data-layout="newspaper"] .aa-hero-btn { display: none; }
html[data-layout="newspaper"] .aa-section-head {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
    border-top: 4px double var(--text);
    border-bottom: 1px solid var(--line-2);
    padding: 16px 0 12px;
}
html[data-layout="newspaper"] .aa-section-title { font-size: 34px; letter-spacing: 4px; font-family: var(--serif); }
html[data-layout="newspaper"] .aa-section-title::before { display: none; }
html[data-layout="newspaper"] .aa-section-sub { margin-left: 0; letter-spacing: 1px; }
html[data-layout="newspaper"] .aa-filter { justify-content: center; }
html[data-layout="newspaper"] .aa-filter-chip { box-shadow: none; border-style: dashed; }
html[data-layout="newspaper"] .aa-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--line-2);
}
html[data-layout="newspaper"] .aa-card {
    border: 0;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    animation: none;
}
html[data-layout="newspaper"] .aa-card:nth-child(3n) { border-right: 0; }
html[data-layout="newspaper"] .aa-card:hover { transform: none; box-shadow: none; }
html[data-layout="newspaper"] .aa-card-link { padding: 22px 20px 26px; }
html[data-layout="newspaper"] .aa-card-body { padding: 0; }
html[data-layout="newspaper"] .aa-card-title { font-size: 18.5px; font-family: var(--serif); }
html[data-layout="newspaper"] .aa-card-cta { opacity: 1; transform: none; }
html[data-layout="newspaper"] .aa-card:first-child {
    grid-column: 1 / -1;
    border-right: 0;
}
html[data-layout="newspaper"] .aa-card:first-child .aa-card-link {
    flex-direction: row;
    align-items: center;
    gap: 30px;
    padding: 26px 20px 30px;
}
html[data-layout="newspaper"] .aa-card:first-child .aa-card-media { flex: 1.1; }
html[data-layout="newspaper"] .aa-card:first-child .aa-card-body { flex: 1; }
html[data-layout="newspaper"] .aa-card:first-child .aa-card-title { font-size: 30px; }

/* --------------------------------------------------------------------------
   10 阅读优先 reader —— 大留白、无图、超大行距
   -------------------------------------------------------------------------- */
html[data-layout="reader"] .aa-hero {
    display: block;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 0 30px;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
}
html[data-layout="reader"] .aa-hero-media { display: none; }
html[data-layout="reader"] .aa-hero-body { padding: 0; }
html[data-layout="reader"] .aa-hero-title { font-size: 42px; font-family: var(--serif); color: var(--text); text-shadow: none; line-height: 1.35; }
html[data-layout="reader"] .aa-hero-excerpt { font-size: 18px; line-height: 2; color: var(--text-2); max-width: none; }
html[data-layout="reader"] .aa-hero .aa-meta { color: var(--muted); }
html[data-layout="reader"] .aa-hero-badge { background: transparent; color: var(--muted); border-color: var(--line-2); }
html[data-layout="reader"] .aa-hero-btn { display: none; }

html[data-layout="reader"] .aa-section-head { max-width: 720px; margin: 26px auto 0; }
html[data-layout="reader"] .aa-filter { max-width: 720px; margin: 12px auto 0; }
html[data-layout="reader"] .aa-grid { display: block; max-width: 720px; margin: 0 auto; }
html[data-layout="reader"] .aa-card {
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    animation: none;
}
html[data-layout="reader"] .aa-card:hover { transform: none; box-shadow: none; }
html[data-layout="reader"] .aa-card-media { display: none; }
html[data-layout="reader"] .aa-card-link { padding: 32px 0; }
html[data-layout="reader"] .aa-card-body { padding: 0; gap: 12px; }
html[data-layout="reader"] .aa-card-title { font-size: 27px; font-family: var(--serif); line-height: 1.4; }
html[data-layout="reader"] .aa-card-excerpt { -webkit-line-clamp: 4; font-size: 16.5px; line-height: 2.05; color: var(--text-2); }
html[data-layout="reader"] .aa-card-foot { border-top: 0; padding-top: 6px; }
html[data-layout="reader"] .aa-card-cta { opacity: 1; transform: none; }

/* ==========================================================================
   骨架变体：页头 / 报头 / 导航位置 / 页脚 —— 这一层才决定"整个站像不像另一个站"
   ========================================================================== */

.aa-aside-nav { display: none; }

/* 1 杂志：页头透明浮在全幅大图上 */
html[data-layout="magazine"] .aa-header { background: transparent; border-bottom: 0; box-shadow: none; }
html[data-layout="magazine"] .aa-header.is-stuck {
    background: var(--header-bg-stuck);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--header-shadow);
}
html[data-layout="magazine"] .aa-hero-wrap { margin-top: -72px; padding-top: 116px; }
html[data-layout="magazine"] .aa-brand-text strong,
html[data-layout="magazine"] .aa-brand-text em,
html[data-layout="magazine"] .aa-nav ul.nav li a,
html[data-layout="magazine"] .aa-nav-rss { color: #fff; text-shadow: 0 1px 14px rgba(0, 0, 0, .5); }
html[data-layout="magazine"] .aa-nav ul.nav li a:hover,
html[data-layout="magazine"] .aa-nav-rss:hover { color: #fff; background: rgba(255, 255, 255, .18); }
html[data-layout="magazine"] .aa-header.is-stuck .aa-brand-text strong,
html[data-layout="magazine"] .aa-header.is-stuck .aa-brand-text em,
html[data-layout="magazine"] .aa-header.is-stuck .aa-nav ul.nav li a,
html[data-layout="magazine"] .aa-header.is-stuck .aa-nav-rss { color: var(--text-2); text-shadow: none; }

/* 2 网格：保持普通顶栏 */

/* 3 列表流：顶栏下加一条"栏目条"质感（更细、更密） */
html[data-layout="list"] .aa-header-inner { min-height: 62px; }
html[data-layout="list"] .aa-brand-text em { display: none; }
html[data-layout="list"] .aa-nav ul.nav li a { padding: 6px 12px; font-size: 14px; }

/* 4 纯文字：极简页头，只剩站名和一行导航，没有图标 */
html[data-layout="textonly"] .aa-header-inner { min-height: 56px; }
html[data-layout="textonly"] .aa-brand-logo { display: none; }
html[data-layout="textonly"] .aa-brand-text strong { font-size: 15px; letter-spacing: 2px; }
html[data-layout="textonly"] .aa-brand-text em { display: none; }
html[data-layout="textonly"] .aa-nav ul.nav li a,
html[data-layout="textonly"] .aa-nav-rss { padding: 5px 10px; font-size: 13.5px; }
html[data-layout="textonly"] .aa-hero-badge { letter-spacing: 2px; }

/* 5 瀑布流：首屏一条通栏大图，页头压在上面 */
html[data-layout="masonry"] .aa-hero-wrap { margin-top: -72px; padding-top: 108px; }
html[data-layout="masonry"] .aa-header { background: transparent; border-bottom: 0; box-shadow: none; }
html[data-layout="masonry"] .aa-header.is-stuck {
    background: var(--header-bg-stuck);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--header-shadow);
}
html[data-layout="masonry"] .aa-brand-text strong,
html[data-layout="masonry"] .aa-brand-text em,
html[data-layout="masonry"] .aa-nav ul.nav li a,
html[data-layout="masonry"] .aa-nav-rss { color: #fff; text-shadow: 0 1px 14px rgba(0, 0, 0, .5); }
html[data-layout="masonry"] .aa-header.is-stuck .aa-brand-text strong,
html[data-layout="masonry"] .aa-header.is-stuck .aa-brand-text em,
html[data-layout="masonry"] .aa-header.is-stuck .aa-nav ul.nav li a,
html[data-layout="masonry"] .aa-header.is-stuck .aa-nav-rss { color: var(--text-2); text-shadow: none; }

/* 6 封面墙：全幅图片墙，内容区直接贴边、缝隙极小（配色走 --wall-* 变量） */
html[data-layout="posterwall"] .aa-header { background: var(--wall-header, rgba(6, 8, 14, .82)); border-bottom: 0; }
html[data-layout="posterwall"] .aa-brand-text strong { color: var(--wall-fg, #fff); }
html[data-layout="posterwall"] .aa-brand-text em { color: var(--wall-fg-soft, rgba(255, 255, 255, .62)); }
html[data-layout="posterwall"] .aa-nav ul.nav li a,
html[data-layout="posterwall"] .aa-nav-rss { color: var(--wall-fg-soft, rgba(255, 255, 255, .82)); }
html[data-layout="posterwall"] .aa-header.is-stuck { background: var(--wall-header-stuck, rgba(6, 8, 14, .94)); }
html[data-layout="posterwall"] .aa-section-head { border-bottom-color: var(--wall-rule, var(--line-2)); }
html[data-layout="posterwall"] .aa-wrap { max-width: 1600px; padding: 0 14px; }
html[data-layout="posterwall"] .aa-grid { gap: 6px; }
html[data-layout="posterwall"] .aa-card { border-radius: 4px; border-color: var(--wall-card-line, transparent); }
html[data-layout="posterwall"] .aa-footer { background: var(--wall-footer-bg, #06080E); color: var(--wall-fg-soft, rgba(255, 255, 255, .7)); }
html[data-layout="posterwall"] .aa-footer-card { background: var(--wall-footer-card, #0B1220); border-color: var(--wall-rule, rgba(255, 255, 255, .1)); }
html[data-layout="posterwall"] .aa-footer-brand strong { color: var(--wall-fg, #fff); }
html[data-layout="posterwall"] .aa-footer-brand p,
html[data-layout="posterwall"] .aa-footer-copy { color: var(--wall-fg-soft, rgba(255, 255, 255, .55)); }
html[data-layout="posterwall"] .aa-footer-nav a { color: var(--wall-fg-soft, rgba(255, 255, 255, .78)); }

/* 7 时间线：顶栏左对齐 + 一条横贯的细线，内容从左侧导轨延伸下去 */
html[data-layout="timeline"] .aa-header { border-bottom: 1px solid var(--line-2); }
html[data-layout="timeline"] .aa-header-inner { justify-content: flex-start; }
html[data-layout="timeline"] .aa-brand { flex-direction: row-reverse; gap: 10px; }
html[data-layout="timeline"] .aa-brand-logo { width: 34px; height: 34px; border-radius: 10px; font-size: 16px; }
html[data-layout="timeline"] .aa-brand-text strong { font-size: 16px; letter-spacing: 1px; }
html[data-layout="timeline"] .aa-brand-text em { display: none; }
html[data-layout="timeline"] .aa-section-head { border-bottom: 1px solid var(--line); }
html[data-layout="timeline"] .aa-section-title { font-size: 18px; letter-spacing: 3px; }
html[data-layout="timeline"] .aa-section-title::before { width: 3px; height: 16px; }

/* 8 侧栏：导航从顶栏搬进左栏，顶栏只剩站名 + 风格按钮 */
html[data-layout="sidebar"] .aa-nav { display: none; }
html[data-layout="sidebar"] .aa-aside-nav { display: block; margin-top: 18px; }
html[data-layout="sidebar"] .aa-aside-nav h3 {
    margin: 0 0 10px;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--muted);
}
html[data-layout="sidebar"] .aa-aside-nav ul.nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}
html[data-layout="sidebar"] .aa-aside-nav ul.nav li a {
    display: block;
    padding: 9px 12px;
    margin-bottom: 4px;
    border-radius: var(--r-xs);
    background: var(--card);
    border: 1px solid var(--line);
    font-size: 14.5px;
    color: var(--text-2);
}
html[data-layout="sidebar"] .aa-aside-nav ul.nav li a:hover { color: var(--c1); border-color: var(--card-hover-line); }
html[data-layout="sidebar"] .aa-aside-nav ul.nav li.nav-current > a { color: var(--on-grad); background: var(--grad); border-color: transparent; }
html[data-layout="sidebar"] .aa-header-inner { min-height: 64px; }
html[data-layout="sidebar"] .aa-skin { margin-left: auto; }
html[data-layout="sidebar"] .aa-footer-card { align-items: flex-start; }

/* 9 报刊头版：顶栏变成"报头"——站名居中衬线大字 + 描述 + 导航，下面双线 */
html[data-layout="newspaper"] .aa-header {
    position: static;
    background: var(--bg);
    border-bottom: 0;
    box-shadow: none;
    backdrop-filter: none;
}
html[data-layout="newspaper"] .aa-header-inner {
    position: relative;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-height: 0;
    padding: 22px 0 14px;
    border-bottom: 4px double var(--text);
}
html[data-layout="newspaper"] .aa-brand { flex-direction: column; align-items: center; gap: 4px; }
html[data-layout="newspaper"] .aa-brand-logo { display: none; }
html[data-layout="newspaper"] .aa-brand-text { align-items: center; text-align: center; }
html[data-layout="newspaper"] .aa-brand-text strong {
    font-family: var(--serif);
    font-size: 36px;
    letter-spacing: 8px;
    color: var(--text);
}
html[data-layout="newspaper"] .aa-brand-text em { max-width: none; letter-spacing: 3px; font-size: 12.5px; }
html[data-layout="newspaper"] .aa-nav { margin-left: 0; }
html[data-layout="newspaper"] .aa-nav ul.nav li a { letter-spacing: 1px; }
html[data-layout="newspaper"] .aa-skin { position: absolute; right: 4px; top: 10px; }
html[data-layout="newspaper"] .aa-skin-btn { padding: 6px 10px; font-size: 13px; }
html[data-layout="newspaper"] .aa-footer-card {
    border-radius: 0;
    border: 0;
    border-top: 4px double var(--text);
    box-shadow: none;
    background: transparent;
    justify-content: center;
    text-align: center;
}
html[data-layout="newspaper"] .aa-footer-brand { flex-direction: column; align-items: center; }
html[data-layout="newspaper"] .aa-footer-brand strong { font-family: var(--serif); letter-spacing: 4px; }
html[data-layout="newspaper"] .aa-footer-copy { letter-spacing: 2px; }

/* 10 阅读优先：居中极简页头（站名在上、导航在下），页脚只剩一行 */
html[data-layout="reader"] .aa-header { background: transparent; border-bottom: 0; box-shadow: none; }
html[data-layout="reader"] .aa-header.is-stuck { background: var(--header-bg-stuck); border-bottom: 1px solid var(--line); }
html[data-layout="reader"] .aa-header-inner {
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-height: 0;
    padding: 26px 0 16px;
    position: relative;
}
html[data-layout="reader"] .aa-brand { flex-direction: column; align-items: center; gap: 4px; }
html[data-layout="reader"] .aa-brand-logo { display: none; }
html[data-layout="reader"] .aa-brand-text { align-items: center; text-align: center; }
html[data-layout="reader"] .aa-brand-text strong { font-family: var(--serif); font-size: 26px; letter-spacing: 4px; }
html[data-layout="reader"] .aa-brand-text em { display: none; }
html[data-layout="reader"] .aa-nav { margin-left: 0; }
html[data-layout="reader"] .aa-skin { position: absolute; right: 4px; top: 14px; }
html[data-layout="reader"] .aa-footer-card {
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    justify-content: center;
    padding: 20px 0;
}
html[data-layout="reader"] .aa-footer-brand p { display: none; }

/* --------------------------------------------------------------------------
   响应式：所有布局在小屏都回归单列
   -------------------------------------------------------------------------- */
@media (max-width: 1000px) {
    html[data-layout="magazine"] .aa-hero-body { padding: 32px; min-height: 420px; }
    html[data-layout="magazine"] .aa-hero-title { font-size: 32px; }
    html[data-layout="magazine"] .aa-grid { grid-template-columns: 1fr; }
    html[data-layout="magazine"] .aa-grid .aa-card:first-child .aa-card-link { flex-direction: column; }
    html[data-layout="sidebar"] .aa-hero-wrap,
    html[data-layout="sidebar"] .aa-section { grid-template-columns: 1fr; }
    html[data-layout="sidebar"] .aa-aside { display: none; }
    html[data-layout="sidebar"] .aa-section-head,
    html[data-layout="sidebar"] .aa-filter,
    html[data-layout="sidebar"] .aa-grid,
    html[data-layout="sidebar"] .aa-hero { grid-column: 1; }
    html[data-layout="newspaper"] .aa-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    html[data-layout="newspaper"] .aa-card:first-child .aa-card-link { flex-direction: column; }
    html[data-layout="masonry"] .aa-grid { columns: 2 260px; }
}
@media (max-width: 760px) {
    html[data-layout="list"] .aa-hero,
    html[data-layout="newspaper"] .aa-hero { grid-template-columns: 1fr; }
    html[data-layout="list"] .aa-card-link { flex-direction: column; align-items: stretch; gap: 14px; }
    html[data-layout="list"] .aa-card-media { width: 100%; }
    html[data-layout="newspaper"] .aa-grid { grid-template-columns: 1fr; }
    html[data-layout="newspaper"] .aa-card { border-right: 0; }
    html[data-layout="masonry"] .aa-grid { columns: 1; }
    html[data-layout="textonly"] .aa-hero-title,
    html[data-layout="reader"] .aa-hero-title { font-size: 30px; }
    html[data-layout="reader"] .aa-card-title { font-size: 23px; }
    html[data-layout="magazine"] .aa-hero-body { padding: 24px; min-height: 320px; }
    html[data-layout="magazine"] .aa-hero-title { font-size: 26px; }
    html[data-layout="posterwall"] .aa-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    /* 小屏别玩浮层和报头，回到常规顶栏 */
    html[data-layout="magazine"] .aa-header,
    html[data-layout="masonry"] .aa-header,
    html[data-layout="reader"] .aa-header { background: var(--header-bg-stuck); border-bottom: 1px solid var(--line); }
    html[data-layout="magazine"] .aa-hero-wrap,
    html[data-layout="masonry"] .aa-hero-wrap { margin-top: 0; padding-top: 26px; }
    html[data-layout="magazine"] .aa-brand-text strong,
    html[data-layout="magazine"] .aa-brand-text em,
    html[data-layout="magazine"] .aa-nav ul.nav li a,
    html[data-layout="magazine"] .aa-nav-rss,
    html[data-layout="masonry"] .aa-brand-text strong,
    html[data-layout="masonry"] .aa-brand-text em,
    html[data-layout="masonry"] .aa-nav ul.nav li a,
    html[data-layout="masonry"] .aa-nav-rss { color: var(--text-2); text-shadow: none; }
    html[data-layout="newspaper"] .aa-brand-text strong { font-size: 26px; letter-spacing: 4px; }
    html[data-layout="newspaper"] .aa-skin,
    html[data-layout="reader"] .aa-skin { position: static; }
    html[data-layout="reader"] .aa-brand-text strong { font-size: 22px; }
}

/* ==========================================================================
   单字封面是 4:3 —— 宽幅大图位会把字裁掉，这三个布局的首图改回"图文并排"卡片
   ========================================================================== */
html[data-layout="magazine"] .aa-hero,
html[data-layout="masonry"] .aa-hero,
html[data-layout="posterwall"] .aa-hero {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 30px;
    align-items: center;
    padding: 44px 48px;
    min-height: 0;
    border-radius: var(--r-xl);
    overflow: hidden;
}
html[data-layout="magazine"] .aa-hero-media,
html[data-layout="masonry"] .aa-hero-media,
html[data-layout="posterwall"] .aa-hero-media {
    position: static;
    inset: auto;
    border: 1px solid var(--hero-media-line);
    border-radius: var(--r-lg);
    box-shadow: 0 20px 44px rgba(20, 26, 70, .28);
    background: rgba(255, 255, 255, .10);
}
html[data-layout="magazine"] .aa-hero-media img,
html[data-layout="masonry"] .aa-hero-media img,
html[data-layout="posterwall"] .aa-hero-media img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    object-position: 50% 50%;
}
html[data-layout="magazine"] .aa-hero::after,
html[data-layout="masonry"] .aa-hero::after,
html[data-layout="posterwall"] .aa-hero::after { content: none; }
html[data-layout="magazine"] .aa-hero-body,
html[data-layout="masonry"] .aa-hero-body,
html[data-layout="posterwall"] .aa-hero-body {
    position: static;
    min-height: 0;
    padding: 0;
    display: block;
}
html[data-layout="magazine"] .aa-hero-wrap,
html[data-layout="masonry"] .aa-hero-wrap { margin-top: 0; padding-top: 30px; }
html[data-layout="magazine"] .aa-hero-title { font-size: 38px; text-shadow: none; }
html[data-layout="magazine"] .aa-hero-excerpt { color: rgba(255, 255, 255, .9); }
html[data-layout="posterwall"] .aa-hero-media img { aspect-ratio: 16 / 10; }