/* ============================================================
   模板：星图 xingtu
   风格：暗色影院流媒体
   配色：近黑底 + 暖金 + 冷青
   ============================================================ */

:root {
    --xt-bg:           #0a0a0f;
    --xt-bg-elev:      #13131c;
    --xt-bg-elev-2:    #1c1c28;
    --xt-bg-soft:      #08080d;
    --xt-line:         rgba(255,255,255,0.08);
    --xt-line-strong:  rgba(255,255,255,0.16);
    --xt-text:         #ececf2;
    --xt-text-2:       #a3a3b3;
    --xt-text-3:       #6c6c7a;
    --xt-gold:         #d4a574;
    --xt-gold-2:       #b88a5a;
    --xt-teal:         #4ecdc4;
    --xt-pink:         #ff5e8a;
    --xt-amber:        #e8b04b;
    --xt-font-serif:   "Playfair Display", "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", Georgia, serif;
    --xt-font-sans:    "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    --xt-font-mono:    "JetBrains Mono", "Cascadia Code", "Consolas", monospace;
    --xt-radius-sm:    6px;
    --xt-radius:       12px;
    --xt-radius-lg:    20px;
    --xt-shadow-sm:    0 2px 8px rgba(0,0,0,0.4);
    --xt-shadow:       0 8px 24px rgba(0,0,0,0.5);
    --xt-shadow-lg:    0 20px 60px rgba(0,0,0,0.6);
    --xt-container:    1280px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
body {
    font-family: var(--xt-font-sans);
    font-size: 15px; line-height: 1.65;
    color: var(--xt-text); background: var(--xt-bg);
    -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--xt-gold); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 600; line-height: 1.3; }

.xt-container { max-width: var(--xt-container); margin: 0 auto; padding: 0 24px; }
.xt-main { padding: 32px 0 64px; }
.xt-section { padding: 56px 0; position: relative; }
.xt-section + .xt-section { border-top: 1px solid var(--xt-line); }
.xt-section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
.xt-section-title {
    font-family: var(--xt-font-serif);
    font-size: 32px; font-weight: 700;
    color: var(--xt-text);
    letter-spacing: -0.5px;
    position: relative;
    padding-left: 18px;
}
.xt-section-title::before {
    content: "";
    position: absolute; left: 0; top: 8px; bottom: 8px;
    width: 4px; border-radius: 2px;
    background: linear-gradient(180deg, var(--xt-gold), var(--xt-teal));
}
.xt-section-sub {
    font-size: 13px; color: var(--xt-text-3);
    margin-top: 6px; padding-left: 18px;
    letter-spacing: 1.5px; text-transform: uppercase;
}
.xt-section-more {
    font-size: 13px; color: var(--xt-text-2);
    display: inline-flex; align-items: center; gap: 4px;
    padding: 6px 14px; border-radius: 20px;
    border: 1px solid var(--xt-line);
    transition: all .2s ease;
}
.xt-section-more:hover { border-color: var(--xt-gold); color: var(--xt-gold); }
.xt-section-more::after { content: "→"; }

/* ============================================================
   顶部导航
   ============================================================ */
.xt-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10,10,15,0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--xt-line);
}
.xt-header-inner {
    max-width: var(--xt-container);
    margin: 0 auto;
    height: 64px;
    padding: 0 24px;
    display: flex; align-items: center; gap: 32px;
}
.xt-logo {
    font-family: var(--xt-font-serif);
    font-size: 22px; font-weight: 700;
    color: var(--xt-text);
    display: inline-flex; align-items: center; gap: 10px;
    letter-spacing: 0.5px;
}
.xt-logo-mark {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--xt-gold), var(--xt-gold-2) 60%, #5a3a1a);
    box-shadow: 0 0 16px rgba(212,165,116,0.4);
    position: relative;
}
.xt-logo-mark::after {
    content: ""; position: absolute; inset: 4px;
    border-radius: 50%;
    background: var(--xt-bg);
}
.xt-logo-mark::before {
    content: ""; position: absolute; inset: 9px;
    border-radius: 50%;
    background: var(--xt-gold);
    z-index: 1;
}
.xt-nav { display: flex; gap: 4px; flex: 1; }
.xt-nav-link {
    padding: 8px 14px;
    font-size: 14px;
    color: var(--xt-text-2);
    border-radius: var(--xt-radius-sm);
    position: relative;
    transition: color .2s ease;
}
.xt-nav-link:hover, .xt-nav-link.active { color: var(--xt-text); }
.xt-nav-link.active::after {
    content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
    height: 2px; background: var(--xt-gold);
    border-radius: 1px;
}
.xt-header-search {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    color: var(--xt-text-2);
    border: 1px solid var(--xt-line);
    transition: all .2s ease;
}
.xt-header-search:hover { color: var(--xt-gold); border-color: var(--xt-gold); }
.xt-nav-toggle {
    display: none;
    width: 36px; height: 36px;
    background: transparent;
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius-sm);
    color: var(--xt-text);
    align-items: center; justify-content: center;
    transition: all .2s ease;
}
.xt-nav-toggle:hover { border-color: var(--xt-gold); color: var(--xt-gold); }

/* ============================================================
   HERO 多本轮播 (5 本)
   ============================================================ */
.xt-hero {
    position: relative;
    height: clamp(420px, 60vh, 620px);
    overflow: hidden;
    background: var(--xt-bg-soft);
    margin-bottom: 24px;
}
.xt-hero-slide {
    position: absolute; inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}
.xt-hero-slide.is-active { opacity: 1; pointer-events: auto; }
.xt-hero-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    filter: blur(18px) saturate(1.2) brightness(0.5);
    transform: scale(1.15);
    z-index: 0;
}
.xt-hero-bg::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 30%, var(--xt-bg) 100%),
                linear-gradient(90deg, rgba(10,10,15,0.6) 0%, transparent 50%);
}
.xt-hero-inner {
    position: relative; z-index: 1;
    max-width: var(--xt-container);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex; align-items: center;
    gap: 48px;
}
.xt-hero-cover {
    flex: 0 0 240px;
    width: 240px; height: 320px;
    border-radius: var(--xt-radius);
    overflow: hidden;
    box-shadow: var(--xt-shadow-lg);
    border: 1px solid rgba(255,255,255,0.06);
    flex-shrink: 0;
}
.xt-hero-cover a { display: block; width: 100%; height: 100%; }
.xt-hero-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.xt-hero-cover a:hover img { transform: scale(1.05); }
.xt-hero-content { flex: 1; min-width: 0; }
.xt-hero-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--xt-gold);
    color: #0a0a0f;
    font-size: 11px; font-weight: 700;
    border-radius: 4px;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}
.xt-hero-title {
    font-family: var(--xt-font-serif);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -1px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.xt-hero-title a { color: inherit; }
.xt-hero-title a:hover { color: var(--xt-gold); }
.xt-hero-meta {
    display: flex; gap: 18px; flex-wrap: wrap;
    color: var(--xt-text-2);
    font-size: 14px;
    margin-bottom: 20px;
}
.xt-hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.xt-hero-meta span::before { content: "·"; color: var(--xt-text-3); }
.xt-hero-meta span:first-child::before { display: none; }
.xt-hero-desc {
    font-size: 15px; line-height: 1.75;
    color: var(--xt-text-2);
    max-width: 600px;
    margin-bottom: 28px;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.xt-hero-cta {
    display: inline-flex; gap: 12px; flex-wrap: wrap;
}
.xt-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 14px; font-weight: 600;
    transition: all .25s ease;
    border: 1px solid transparent;
}
.xt-btn-primary {
    background: var(--xt-gold);
    color: #0a0a0f;
    box-shadow: 0 4px 14px rgba(212,165,116,0.3);
}
.xt-btn-primary:hover { background: var(--xt-gold-2); color: #0a0a0f; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(212,165,116,0.4); }
.xt-btn-ghost {
    border-color: rgba(255,255,255,0.2);
    color: var(--xt-text);
}
.xt-btn-ghost:hover { border-color: var(--xt-text); background: rgba(255,255,255,0.05); }

.xt-hero-prev, .xt-hero-next {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    color: #fff;
    font-size: 24px;
    z-index: 3;
    backdrop-filter: blur(6px);
    transition: all .2s ease;
}
.xt-hero-prev { left: 24px; }
.xt-hero-next { right: 24px; }
.xt-hero-prev:hover, .xt-hero-next:hover { background: rgba(255,255,255,0.25); }

/* ============================================================
   横向滚动导轨
   ============================================================ */
.xt-rail {
    display: flex; gap: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
    -ms-overflow-style: none; scrollbar-width: none;
}
.xt-rail::-webkit-scrollbar { display: none; }
.xt-rail-item {
    flex: 0 0 160px;
    width: 160px;
    scroll-snap-align: start;
    position: relative;
    cursor: pointer;
    transition: transform .3s ease;
}
.xt-rail-item:hover { transform: translateY(-4px); }
.xt-rail-cover {
    width: 100%;
    aspect-ratio: 3/4;
    border-radius: var(--xt-radius);
    overflow: hidden;
    background: var(--xt-bg-elev);
    box-shadow: var(--xt-shadow-sm);
    position: relative;
}
.xt-rail-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.xt-rail-item:hover .xt-rail-cover img { transform: scale(1.06); }
.xt-rail-cover::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.7) 100%);
    pointer-events: none;
}
.xt-rail-info { margin-top: 10px; }
.xt-rail-title {
    font-size: 14px; font-weight: 600;
    color: var(--xt-text);
    margin-bottom: 4px;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.xt-rail-meta { font-size: 12px; color: var(--xt-text-3); }

/* ============================================================
   新书速递: 18 本网格 (PC 6 列 × 3 行, 平板 3 列, 手机 2 列 × 9 行, 均无孤儿行)
   ============================================================ */
.xt-newarrivals {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px 16px;
}
.xt-newarrivals-item {
    display: block;
    position: relative;
    transition: transform .3s ease;
}
.xt-newarrivals-item:hover { transform: translateY(-4px); }
.xt-newarrivals-cover {
    width: 100%;
    aspect-ratio: 3/4;
    border-radius: var(--xt-radius);
    overflow: hidden;
    background: var(--xt-bg-elev);
    box-shadow: var(--xt-shadow-sm);
}
.xt-newarrivals-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.xt-newarrivals-item:hover .xt-newarrivals-cover img { transform: scale(1.06); }
.xt-newarrivals-info { margin-top: 10px; }
.xt-newarrivals-title {
    font-size: 14px; font-weight: 600;
    color: var(--xt-text);
    margin-bottom: 4px;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.xt-newarrivals-meta { font-size: 12px; color: var(--xt-text-3); }

/* ============================================================
   编辑推荐
   ============================================================ */
.xt-spotlight {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 24px;
}
.xt-spotlight.xt-spotlight-reverse {
    grid-template-columns: 1fr 1.6fr;  /* 3 小图左 + 1 大图右 */
}
.xt-spotlight + .xt-spotlight {
    margin-top: 48px;
    padding-top: 36px;
    border-top: 1px solid var(--xt-line);
    position: relative;
}
.xt-spotlight + .xt-spotlight::before {
    content: "继续推荐";
    position: absolute;
    top: -10px; left: 50%;
    transform: translateX(-50%);
    background: var(--xt-bg);
    padding: 0 18px;
    color: var(--xt-text-3);
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-family: var(--xt-font-serif);
}
.xt-spotlight-main {
    position: relative;
    border-radius: var(--xt-radius-lg);
    overflow: hidden;
    min-height: 420px;
    display: flex; align-items: flex-end;
    padding: 36px;
    background-size: cover; background-position: center;
    background-color: var(--xt-bg-elev);
}
.xt-spotlight-main::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.85) 100%);
}
.xt-spotlight-main-content { position: relative; z-index: 1; max-width: 80%; }
.xt-spotlight-main-num {
    position: absolute; top: 20px; left: 24px;
    z-index: 1;
    font-family: var(--xt-font-serif);
    font-size: 22px; font-weight: 700;
    color: rgba(255,255,255,0.9);
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}
.xt-spotlight-main-num::before {
    content: "";
    display: inline-block;
    width: 28px; height: 1px;
    background: var(--xt-gold);
    vertical-align: middle;
    margin-right: 10px;
}
.xt-spotlight-main-cat {
    display: inline-block;
    padding: 3px 10px;
    background: var(--xt-teal);
    color: #0a0a0f;
    font-size: 11px; font-weight: 700;
    border-radius: 3px;
    letter-spacing: 1.5px;
    margin-bottom: 14px;
}
.xt-spotlight-main-title {
    font-family: var(--xt-font-serif);
    font-size: 36px; font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.15;
    text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}
.xt-spotlight-main-desc {
    color: rgba(255,255,255,0.85);
    font-size: 14px; line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.xt-spotlight-side {
    display: flex; flex-direction: column; gap: 16px;
}
.xt-spotlight-mini {
    flex: 1;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius);
    padding: 18px;
    display: flex; gap: 14px; align-items: center;
    transition: all .25s ease;
}
.xt-spotlight-mini:hover {
    border-color: var(--xt-gold);
    transform: translateX(4px);
    background: var(--xt-bg-elev-2);
}
.xt-spotlight-mini-cover {
    flex: 0 0 64px; width: 64px; height: 86px;
    border-radius: var(--xt-radius-sm);
    overflow: hidden; flex-shrink: 0;
    box-shadow: var(--xt-shadow-sm);
}
.xt-spotlight-mini-cover img { width: 100%; height: 100%; object-fit: cover; }
.xt-spotlight-mini-info { flex: 1; min-width: 0; }
.xt-spotlight-mini-title {
    font-size: 15px; font-weight: 600;
    color: var(--xt-text);
    margin-bottom: 6px;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.xt-spotlight-mini-meta { font-size: 12px; color: var(--xt-text-3); }
.xt-spotlight-mini-num {
    font-family: var(--xt-font-serif);
    font-size: 28px; font-weight: 700;
    color: var(--xt-gold);
    font-style: italic;
    line-height: 1;
    flex-shrink: 0;
}

/* ============================================================
   风云榜
   ============================================================ */
.xt-ranking {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-flow: column;
    grid-template-rows: repeat(10, auto);
    gap: 0 32px;
}
.xt-ranking-item {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--xt-line);
    transition: padding-left .2s ease;
}
.xt-ranking-item:hover { padding-left: 6px; }
.xt-ranking-item:last-child { border-bottom: 0; }
.xt-ranking-num {
    font-family: var(--xt-font-mono);
    font-size: 22px; font-weight: 600;
    color: var(--xt-text-3);
    width: 32px; text-align: center;
    flex-shrink: 0;
    font-style: italic;
}
.xt-ranking-item:nth-child(1) .xt-ranking-num { color: var(--xt-gold); }
.xt-ranking-item:nth-child(2) .xt-ranking-num { color: var(--xt-text-2); }
.xt-ranking-item:nth-child(3) .xt-ranking-num { color: var(--xt-pink); }
.xt-ranking-info { flex: 1; min-width: 0; }
.xt-ranking-title {
    font-size: 14.5px; font-weight: 500;
    color: var(--xt-text);
    margin-bottom: 3px;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .2s ease;
}
.xt-ranking-item:hover .xt-ranking-title { color: var(--xt-gold); }
.xt-ranking-author { font-size: 12px; color: var(--xt-text-3); }

/* ============================================================
   编辑寄语
   ============================================================ */
.xt-quote {
    text-align: center;
    padding: 32px 24px;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}
.xt-quote::before {
    content: "\201C";
    position: absolute; top: -20px; left: 0; right: 0;
    text-align: center;
    font-family: var(--xt-font-serif);
    font-size: 120px;
    color: var(--xt-gold);
    opacity: 0.18;
    line-height: 1;
    z-index: 0;
}
.xt-quote-text {
    position: relative; z-index: 1;
    font-family: var(--xt-font-serif);
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: 400;
    line-height: 1.6;
    color: var(--xt-text);
    font-style: italic;
    margin-bottom: 24px;
}
.xt-quote-author {
    position: relative; z-index: 1;
    font-size: 13px;
    color: var(--xt-text-3);
    letter-spacing: 2px;
    text-transform: uppercase;
}
.xt-quote-author::before {
    content: "— ";
    color: var(--xt-gold);
}

/* ============================================================
   分类胶囊
   ============================================================ */
.xt-genres {
    display: flex; flex-wrap: wrap; gap: 10px;
    justify-content: center;
}
.xt-genre {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: 30px;
    color: var(--xt-text-2);
    font-size: 13.5px;
    transition: all .2s ease;
}
.xt-genre:hover {
    background: var(--xt-bg-elev-2);
    border-color: var(--xt-gold);
    color: var(--xt-gold);
    transform: translateY(-2px);
}
.xt-genre-count {
    font-family: var(--xt-font-mono);
    font-size: 11px;
    color: var(--xt-text-3);
    padding: 1px 6px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
}

/* ============================================================
   分类书架 (选项卡: 8 分类 × 12 本 = 96 本, 6×2 网格)
   SEO 价值: 内链 PageRank + 长尾词覆盖 + 类目层级信号
   ============================================================ */
.xt-tab-nav {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-bottom: 28px;
}
.xt-tab-label {
    display: inline-block;
    padding: 8px 18px;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: 30px;
    color: var(--xt-text-2);
    font-size: 13.5px;
    transition: all .2s ease;
    cursor: pointer;
}
.xt-tab-label:hover {
    border-color: var(--xt-gold);
    color: var(--xt-gold);
}
.xt-tab-label.is-active {
    background: var(--xt-gold);
    color: #0a0a0f;
    border-color: var(--xt-gold);
}
.xt-tab-panel { display: none; }
.xt-tab-panel.is-active { display: block; animation: xt-tab-fade .3s ease; }
@keyframes xt-tab-fade {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   通用工具
   ============================================================ */
.xt-gold { color: var(--xt-gold); }
.xt-teal { color: var(--xt-teal); }
.xt-text-2 { color: var(--xt-text-2); }
.xt-text-3 { color: var(--xt-text-3); }

/* ============================================================
   详情页
   ============================================================ */
.xt-detail-head {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    padding: 40px 0;
    border-bottom: 1px solid var(--xt-line);
}
.xt-detail-cover {
    width: 280px; height: 380px;
    border-radius: var(--xt-radius);
    overflow: hidden;
    box-shadow: var(--xt-shadow-lg);
    border: 1px solid rgba(255,255,255,0.05);
}
.xt-detail-cover img { width: 100%; height: 100%; object-fit: cover; }
.xt-detail-info { display: flex; flex-direction: column; gap: 16px; }
.xt-detail-title {
    font-family: var(--xt-font-serif);
    font-size: 42px; font-weight: 700;
    line-height: 1.15;
    color: var(--xt-text);
    margin: 0;
}
.xt-detail-meta {
    display: flex; gap: 18px; flex-wrap: wrap;
    color: var(--xt-text-2);
    font-size: 14px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--xt-line);
}
.xt-detail-meta span::before { content: "· "; color: var(--xt-text-3); }
.xt-detail-meta span:first-child::before { display: none; }
.xt-detail-desc {
    color: var(--xt-text-2);
    line-height: 1.8;
    font-size: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.xt-detail-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.xt-detail-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.xt-detail-tag {
    padding: 4px 12px;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: 20px;
    font-size: 12px;
    color: var(--xt-text-2);
    transition: all .2s ease;
}
.xt-detail-tag:hover { border-color: var(--xt-teal); color: var(--xt-teal); }

.xt-detail-body { display: grid; grid-template-columns: 1fr 280px; gap: 40px; padding: 40px 0; }
.xt-excerpt {
    background: var(--xt-bg-elev);
    border-left: 3px solid var(--xt-gold);
    padding: 24px 28px;
    border-radius: 0 var(--xt-radius) var(--xt-radius) 0;
    color: var(--xt-text-2);
    line-height: 1.85;
    font-size: 15px;
    max-height: 360px;
    overflow: hidden;
    position: relative;
}
.xt-excerpt::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0;
    height: 80px;
    background: linear-gradient(180deg, transparent, var(--xt-bg-elev));
    pointer-events: none;
}
.xt-excerpt-h {
    font-family: var(--xt-font-serif);
    font-size: 22px; font-weight: 600;
    color: var(--xt-text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--xt-line);
}
.xt-chapter-h {
    font-family: var(--xt-font-serif);
    font-size: 22px; font-weight: 600;
    color: var(--xt-text);
    margin: 40px 0 20px;
}
.xt-detail-more {
    text-align: center;
    margin-top: 32px;
    padding: 16px 0 0;
}
.xt-chapter-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px 12px;
}
.xt-chapter-grid a {
    padding: 8px 10px;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius-sm);
    font-size: 13px;
    color: var(--xt-text-2);
    transition: all .2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.xt-chapter-grid a:hover { border-color: var(--xt-gold); color: var(--xt-gold); background: var(--xt-bg-elev-2); }

/* 猜你喜欢: 主内容区 6 本网格 (PC 6 列, 平板 3, 手机 2) */
.xt-guess-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px 12px;
}
.xt-guess-item {
    display: block;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius);
    overflow: hidden;
    transition: all .2s ease;
}
.xt-guess-item:hover {
    border-color: var(--xt-gold);
    transform: translateY(-2px);
    box-shadow: var(--xt-shadow-sm);
}
.xt-guess-cover {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--xt-bg-elev);
}
.xt-guess-cover img { width: 100%; height: 100%; object-fit: cover; }
.xt-guess-info { padding: 10px 12px 12px; }
.xt-guess-title {
    font-size: 13.5px; font-weight: 600; color: var(--xt-text);
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.xt-guess-item:hover .xt-guess-title { color: var(--xt-gold); }
.xt-guess-meta {
    font-size: 11.5px; color: var(--xt-text-3);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.xt-side-card {
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius);
    padding: 20px;
    margin-bottom: 20px;
}
.xt-side-h {
    font-size: 14px; font-weight: 600;
    color: var(--xt-text);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--xt-line);
    display: flex; justify-content: space-between; align-items: center;
}
.xt-side-h a { font-size: 12px; color: var(--xt-text-3); font-weight: 400; }
.xt-side-mini {
    display: flex; gap: 10px; align-items: center;
    padding: 8px 0;
    border-bottom: 1px dashed var(--xt-line);
}
.xt-side-mini:last-child { border-bottom: 0; }
.xt-side-mini-cover {
    flex: 0 0 36px; width: 36px; height: 48px;
    border-radius: 3px; overflow: hidden;
}
.xt-side-mini-cover img { width: 100%; height: 100%; object-fit: cover; }
.xt-side-mini-title {
    flex: 1; min-width: 0;
    font-size: 13px;
    color: var(--xt-text);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    transition: color .2s ease;
}
.xt-side-mini:hover .xt-side-mini-title { color: var(--xt-gold); }
.xt-side-tag-list { display: flex; flex-wrap: wrap; gap: 6px; }

/* ============================================================
   阅读页
   ============================================================ */
.xt-reader {
    min-height: calc(100vh - 64px);
    padding: 60px 0 100px;
    position: relative;
}
.xt-reader-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
    transition: max-width .3s ease;
}
.xt-reader-meta {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--xt-line);
}
.xt-reader-title {
    font-family: var(--xt-font-serif);
    font-size: 30px; font-weight: 700;
    color: var(--xt-text);
    margin: 0;
    line-height: 1.3;
}
.xt-reader-time {
    font-family: var(--xt-font-mono);
    font-size: 12px;
    color: var(--xt-text-3);
    margin-top: 12px;
    letter-spacing: 1px;
}
.xt-reader-body {
    font-size: 18px;
    line-height: 1.9;
    color: var(--xt-text);
}
.xt-reader-body p { margin: 0 0 1em; text-indent: 2em; }
.xt-reader-body img { max-width: 100%; height: auto; margin: 16px 0; border-radius: var(--xt-radius); }
.xt-reader-nav {
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--xt-line);
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}
.xt-reader-nav a {
    padding: 16px;
    text-align: center;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius);
    color: var(--xt-text-2);
    font-size: 14px;
    transition: all .2s ease;
}
.xt-reader-nav a:hover { border-color: var(--xt-gold); color: var(--xt-gold); }
.xt-reader-nav .xt-nav-catalog { border-color: var(--xt-line-strong); color: var(--xt-text); }
.xt-reader-nav .xt-nav-catalog:hover { border-color: var(--xt-gold); background: var(--xt-gold); color: #0a0a0f; }

.xt-progress {
    position: fixed; top: auto; bottom: 0; left: 0;
    width: 0%; height: 3px;
    background: linear-gradient(90deg, var(--xt-gold), var(--xt-teal));
    z-index: 99;
    transition: width .1s ease;
    pointer-events: none;
}

.xt-reader.theme-light { background: #f4f1ea; color: #2a2a2a; }
.xt-reader.theme-light .xt-reader-title,
.xt-reader.theme-light .xt-reader-body,
.xt-reader.theme-light .xt-reader-time { color: #2a2a2a; }
.xt-reader.theme-light .xt-reader-meta { border-color: rgba(0,0,0,0.1); }
.xt-reader.theme-light .xt-reader-nav { border-color: rgba(0,0,0,0.1); }
.xt-reader.theme-light .xt-reader-nav a { background: #fff; border-color: rgba(0,0,0,0.1); color: #555; }
.xt-reader.theme-light .xt-reader-nav a:hover { color: #2a2a2a; border-color: #2a2a2a; }

.xt-reader.theme-sepia { background: #f4ecd8; color: #5b4636; }
.xt-reader.theme-sepia .xt-reader-title,
.xt-reader.theme-sepia .xt-reader-body,
.xt-reader.theme-sepia .xt-reader-time { color: #5b4636; }
.xt-reader.theme-sepia .xt-reader-meta { border-color: rgba(91,70,54,0.15); }
.xt-reader.theme-sepia .xt-reader-nav { border-color: rgba(91,70,54,0.15); }
.xt-reader.theme-sepia .xt-reader-nav a { background: #ebe0c8; border-color: rgba(91,70,54,0.15); color: #5b4636; }
.xt-reader.theme-sepia .xt-reader-nav a:hover { color: #5b4636; border-color: #5b4636; }

.xt-reader.theme-green { background: #c7d3a8; color: #2d3a1f; }
.xt-reader.theme-green .xt-reader-title,
.xt-reader.theme-green .xt-reader-body,
.xt-reader.theme-green .xt-reader-time { color: #2d3a1f; }
.xt-reader.theme-green .xt-reader-meta { border-color: rgba(45,58,31,0.15); }
.xt-reader.theme-green .xt-reader-nav { border-color: rgba(45,58,31,0.15); }
.xt-reader.theme-green .xt-reader-nav a { background: #d4deb9; border-color: rgba(45,58,31,0.15); color: #2d3a1f; }
.xt-reader.theme-green .xt-reader-nav a:hover { color: #2d3a1f; border-color: #2d3a1f; }

/* ============================================================
   阅读工具条
   ============================================================ */
.xt-tb {
    position: fixed; left: 24px; top: 50%; transform: translateY(-50%);
    z-index: 90;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: 30px;
    padding: 8px;
    display: flex; flex-direction: column; gap: 4px;
    box-shadow: var(--xt-shadow);
}
.xt-tb-btn {
    width: 44px; height: 44px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%;
    color: var(--xt-text-2);
    font-size: 18px;
    transition: all .2s ease;
    position: relative;
}
.xt-tb-btn:hover { background: var(--xt-bg-elev-2); color: var(--xt-gold); }
.xt-tb-btn.is-active { background: var(--xt-gold); color: #0a0a0f; }
.xt-tb-btn[data-tip]::after {
    content: attr(data-tip);
    position: absolute; left: calc(100% + 12px); top: 50%; transform: translateY(-50%);
    padding: 4px 10px;
    background: var(--xt-bg-elev-2);
    color: var(--xt-text);
    font-size: 12px;
    white-space: nowrap;
    border-radius: 4px;
    opacity: 0; pointer-events: none;
    transition: opacity .2s ease;
    border: 1px solid var(--xt-line);
}
.xt-tb-btn:hover[data-tip]::after { opacity: 1; }
.xt-tb-divider {
    height: 1px; background: var(--xt-line);
    margin: 4px 8px;
}

.xt-tb-popover {
    position: absolute; left: calc(100% + 12px); top: 0;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius);
    padding: 8px;
    display: none;
    min-width: 180px;
    box-shadow: var(--xt-shadow);
}
.xt-tb-popover.is-open { display: block; }
.xt-tb-popover-row {
    display: flex; align-items: center; gap: 8px;
    padding: 4px;
}
.xt-tb-popover-label {
    font-size: 12px;
    color: var(--xt-text-3);
    width: 32px; flex-shrink: 0;
}
.xt-tb-popover-btns {
    display: flex; gap: 4px; flex: 1;
}
.xt-tb-popover-btn {
    flex: 1; padding: 6px 8px;
    font-size: 12px;
    background: transparent;
    color: var(--xt-text-2);
    border-radius: 4px;
    border: 1px solid var(--xt-line);
}
.xt-tb-popover-btn.is-active { background: var(--xt-gold); color: #0a0a0f; border-color: var(--xt-gold); }

.xt-tb-themes {
    position: absolute; left: calc(100% + 12px); top: 0;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: var(--xt-radius);
    padding: 8px;
    display: none;
    box-shadow: var(--xt-shadow);
}
.xt-tb-themes.is-open { display: flex; gap: 6px; }
.xt-tb-theme {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform .2s ease;
}
.xt-tb-theme:hover { transform: scale(1.1); }
.xt-tb-theme.is-active { border-color: var(--xt-gold); }
.xt-tb-theme-dark { background: #0a0a0f; }
.xt-tb-theme-light { background: #f4f1ea; }
.xt-tb-theme-sepia { background: #f4ecd8; }
.xt-tb-theme-green { background: #c7d3a8; }

/* ============================================================
   分类列表页
   ============================================================ */
.xt-list-head {
    padding: 32px 0;
    border-bottom: 1px solid var(--xt-line);
    margin-bottom: 32px;
}
.xt-list-h1 {
    font-family: var(--xt-font-serif);
    font-size: 36px; font-weight: 700;
    color: var(--xt-text);
    margin: 0 0 8px;
}
.xt-list-sub { color: var(--xt-text-2); font-size: 14px; }
.xt-list-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

/* ============================================================
   搜索页
   ============================================================ */
.xt-search-form {
    max-width: 600px;
    margin: 40px auto;
    display: flex; gap: 8px;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: 30px;
    padding: 4px;
    transition: border-color .2s ease;
}
.xt-search-form:focus-within { border-color: var(--xt-gold); }
.xt-search-input {
    flex: 1; padding: 12px 20px;
    background: transparent;
    border: 0;
    color: var(--xt-text);
    font-size: 15px;
    font-family: inherit;
    outline: none;
}
.xt-search-input::placeholder { color: var(--xt-text-3); }
.xt-search-submit {
    padding: 10px 24px;
    background: var(--xt-gold);
    color: #0a0a0f;
    border-radius: 24px;
    font-weight: 600;
}
.xt-search-hot {
    text-align: center;
    color: var(--xt-text-3);
    font-size: 13px;
    margin-top: 16px;
}
.xt-search-hot a { color: var(--xt-text-2); margin: 0 6px; }
.xt-search-hot a:hover { color: var(--xt-gold); }

/* ============================================================
   404 / 500
   ============================================================ */
.xt-error {
    text-align: center;
    padding: 100px 20px;
}
.xt-error-code {
    font-family: var(--xt-font-serif);
    font-size: 120px; font-weight: 700;
    color: var(--xt-gold);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 0.9;
}
.xt-error-msg { color: var(--xt-text-2); font-size: 18px; margin-bottom: 32px; }
.xt-error a {
    display: inline-block;
    padding: 12px 32px;
    background: var(--xt-bg-elev);
    border: 1px solid var(--xt-line);
    border-radius: 24px;
    color: var(--xt-text);
    transition: all .2s ease;
}
.xt-error a:hover { border-color: var(--xt-gold); color: var(--xt-gold); }

/* ============================================================
   页脚
   ============================================================ */
.xt-footer {
    background: var(--xt-bg-soft);
    border-top: 1px solid var(--xt-line);
    padding: 40px 0 24px;
    margin-top: 64px;
    color: var(--xt-text-3);
    font-size: 13px;
}
.xt-footer-friend {
    padding: 0 0 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--xt-line);
    color: var(--xt-text-2);
    font-size: 12.5px;
    line-height: 1.9;
}
.xt-footer-friend a { margin: 0 8px; color: var(--xt-text-2); }
.xt-footer-friend a:hover { color: var(--xt-gold); }
.xt-footer-copy { text-align: center; line-height: 1.9; }
.xt-footer-copy a { color: var(--xt-text-2); }
.xt-footer-copy a:hover { color: var(--xt-gold); }

/* ============================================================
   移动端
   ============================================================ */
@media (max-width: 992px) {
    .xt-section { padding: 40px 0; }
    .xt-section-title { font-size: 24px; }
    /* 移动端 hero: 取消 absolute, 让内容驱动高度, 避免裁切 */
    .xt-hero { position: relative; min-height: 0; height: auto; padding: 0; }
    .xt-hero-slide { position: relative; inset: auto; opacity: 1; pointer-events: auto; }
    .xt-hero-slide:not(.is-active) { display: none; }
    .xt-hero-bg { position: absolute; inset: 0; }
    .xt-hero-inner { flex-direction: column; align-items: center; gap: 16px; padding: 24px 20px 60px; }
    .xt-hero-cover { flex: 0 0 140px; width: 140px; height: 190px; }
    .xt-hero-title { font-size: 22px; }
    .xt-hero-meta { font-size: 12px; gap: 10px; }
    .xt-hero-desc { font-size: 13px; -webkit-line-clamp: 2; margin-bottom: 16px; }
    .xt-hero-prev, .xt-hero-next { width: 36px; height: 36px; font-size: 20px; top: auto; bottom: 12px; transform: none; }
    .xt-hero-prev { left: 20px; }
    .xt-hero-next { right: 20px; }
    /* 移动端: 原列和反转列都塌成 1 列, 大图在上小图在下 */
    .xt-spotlight, .xt-spotlight.xt-spotlight-reverse { grid-template-columns: 1fr; gap: 16px; }
    .xt-spotlight-mini { padding: 14px; }
    .xt-spotlight-mini-cover { flex: 0 0 56px; width: 56px; height: 75px; }
    /* 反转列 DOM 是 "3 小 + 1 大", 移动端用 column-reverse 让大图回到顶部 */
    .xt-spotlight.xt-spotlight-reverse { display: flex; flex-direction: column-reverse; }
    .xt-ranking {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        grid-auto-flow: row;
        gap: 0;
    }
    .xt-detail-head { grid-template-columns: 1fr; gap: 24px; padding: 24px 0; min-width: 0; }
    .xt-detail-cover { width: 180px; height: 240px; margin: 0 auto; }
    .xt-detail-info { min-width: 0; }
    .xt-detail-title { font-size: 24px; word-break: break-word; }
    .xt-detail-meta { font-size: 12.5px; gap: 10px; }
    .xt-detail-desc { font-size: 13.5px; -webkit-line-clamp: 5; }
    .xt-detail-actions .xt-btn { padding: 10px 18px; font-size: 13px; }
    .xt-detail-body { grid-template-columns: 1fr; gap: 24px; min-width: 0; }
    .xt-detail-body > * { min-width: 0; }
    .xt-detail-body { grid-template-columns: 1fr; gap: 24px; }
    .xt-chapter-grid { grid-template-columns: repeat(2, 1fr); }
    .xt-list-grid { grid-template-columns: repeat(3, 1fr); }
    .xt-newarrivals { grid-template-columns: repeat(3, 1fr); }
    .xt-guess-grid { grid-template-columns: repeat(3, 1fr); }
    .xt-tab-nav { flex-wrap: nowrap; overflow-x: auto; -ms-overflow-style: none; scrollbar-width: none; padding-bottom: 6px; }
    .xt-tab-nav::-webkit-scrollbar { display: none; }
    .xt-tab-label { flex: 0 0 auto; padding: 6px 14px; font-size: 12.5px; }
    .xt-nav-toggle { display: inline-flex; }
    .xt-nav {
        display: none;
        position: absolute;
        top: 64px; left: 0; right: 0;
        background: rgba(10,10,15,0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--xt-line);
        padding: 12px 24px;
        flex-direction: column;
        gap: 0;
        z-index: 99;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
    }
    .xt-nav.is-open { display: flex; }
    .xt-nav .xt-nav-link {
        padding: 12px 14px;
        font-size: 15px;
        border-radius: var(--xt-radius-sm);
    }
    .xt-nav .xt-nav-link:hover { background: var(--xt-bg-elev-2); }
    .xt-tb {
        left: 50%; top: auto; bottom: 16px; transform: translateX(-50%);
        flex-direction: row;
        border-radius: 30px;
    }
    .xt-tb-btn[data-tip]::after { display: none; }
    .xt-tb-popover, .xt-tb-themes {
        left: auto; right: 0; top: auto; bottom: calc(100% + 12px);
    }
    .xt-reader { padding: 32px 0 120px; }
    .xt-reader-inner { padding: 0 16px; }
    .xt-reader-title { font-size: 22px; }
    .xt-reader-body { font-size: 16px; }
    .xt-reader-nav { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
    .xt-reader-nav a { padding: 12px 6px; font-size: 12.5px; }
}

@media (max-width: 600px) {
    .xt-list-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .xt-newarrivals { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .xt-guess-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .xt-chapter-grid { grid-template-columns: 1fr; }
    .xt-error-code { font-size: 80px; }
}