/* ============================================================
   模板：书苑 shuyuan
   风格：现代纸本质感 + 中式书卷气
   配色：米白纸 / 墨黑 / 朱砂 / 暖灰
   ============================================================ */

:root {
    --sy-paper:        #faf7f2;
    --sy-paper-2:      #f3ede2;
    --sy-paper-edge:   #e8e0d0;
    --sy-ink:          #2c2826;
    --sy-ink-2:        #1a1816;
    --sy-gray:         #6b6560;
    --sy-gray-2:       #908a83;
    --sy-gray-3:       #c2bdb6;
    --sy-line:         #ebe4d5;
    --sy-vermilion:    #b5453a;
    --sy-vermilion-2:  #cf564a;
    --sy-jade:         #5c7a5a;
    --sy-shadow:       0 2px 10px rgba(50, 38, 24, 0.06);
    --sy-shadow-up:    0 8px 24px rgba(50, 38, 24, 0.10);
    --sy-radius:       4px;
    --sy-radius-lg:    8px;
}

/* 全局 */
html, body {
    background: var(--sy-paper);
    color: var(--sy-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

body {
    background-image:
        radial-gradient(rgba(180, 160, 130, 0.06) 1px, transparent 1px);
    background-size: 22px 22px;
}

a { color: var(--sy-ink); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--sy-vermilion); }

img { max-width: 100%; height: auto; vertical-align: middle; }

h1, h2, h3, h4, h5, h6 {
    font-family: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC",
        "SimSun", "Times New Roman", serif;
    color: var(--sy-ink-2);
    font-weight: 600;
}

::selection { background: rgba(181, 69, 58, 0.18); color: var(--sy-ink-2); }

/* 容器 */
.layout-main {
    min-height: 60vh;
    padding: 24px 0 48px;
}

.panel-box {
    background: #fff;
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius-lg);
    box-shadow: var(--sy-shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.panel-box-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 22px;
    border-bottom: 1px solid var(--sy-line);
    background: linear-gradient(180deg, #fffdf9 0%, #fff 100%);
    position: relative;
}
.panel-box-heading::before {
    content: "";
    position: absolute;
    left: 0; top: 14px; bottom: 14px;
    width: 3px;
    background: var(--sy-vermilion);
    border-radius: 2px;
}
.panel-box-heading .title {
    margin: 0;
    font-size: 18px;
    color: var(--sy-ink-2);
    letter-spacing: 0.5px;
}
.panel-box-heading .title.strong { font-weight: 700; }
.panel-box-heading .more {
    font-size: 13px;
    color: var(--sy-gray);
}
.panel-box-heading .more:hover { color: var(--sy-vermilion); }
.panel-box-body { padding: 20px 22px; }

/* ====================== 头部 ====================== */
.sy-header {
    background: #fffdf9;
    border-bottom: 1px solid var(--sy-line);
    box-shadow: 0 1px 0 rgba(50, 38, 24, 0.02);
    position: sticky;
    top: 0;
    z-index: 100;
}
.sy-header .sy-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.sy-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--sy-ink-2);
    letter-spacing: 2px;
}
.sy-logo .sy-logo-mark {
    width: 32px; height: 32px;
    background: var(--sy-vermilion);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 18px;
    font-family: "Songti SC", serif;
    box-shadow: 0 2px 6px rgba(181, 69, 58, 0.25);
}
.sy-logo:hover { color: var(--sy-ink-2); }

.sy-nav {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0; padding: 0;
    gap: 4px;
}
.sy-nav .sy-nav-item { position: relative; }
.sy-nav .sy-nav-link {
    display: inline-block;
    padding: 0 16px;
    line-height: 64px;
    color: var(--sy-ink);
    font-size: 15px;
    position: relative;
    transition: color .2s ease;
}
.sy-nav .sy-nav-link::after {
    content: "";
    position: absolute;
    left: 50%; bottom: 18px;
    width: 0; height: 2px;
    background: var(--sy-vermilion);
    transition: all .25s ease;
    transform: translateX(-50%);
}
.sy-nav .sy-nav-link:hover,
.sy-nav .sy-nav-link.active {
    color: var(--sy-vermilion);
}
.sy-nav .sy-nav-link:hover::after,
.sy-nav .sy-nav-link.active::after {
    width: 24px;
}

.sy-header-search {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--sy-paper-2);
    transition: all .2s ease;
}
.sy-header-search:hover {
    background: var(--sy-vermilion);
}
.sy-header-search:hover img { filter: brightness(0) invert(1); }
.sy-header-search img { width: 16px; height: 16px; }

.sy-nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--sy-line);
    border-radius: 4px;
    width: 38px; height: 38px;
    align-items: center; justify-content: center;
    cursor: pointer;
}
.sy-nav-toggle span,
.sy-nav-toggle span::before,
.sy-nav-toggle span::after {
    content: "";
    display: block;
    width: 18px; height: 2px;
    background: var(--sy-ink);
    position: relative;
    transition: all .2s ease;
}
.sy-nav-toggle span::before { position: absolute; top: -6px; }
.sy-nav-toggle span::after  { position: absolute; top:  6px; }

/* ====================== 公共卡片 ====================== */
.sy-book-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius-lg);
    overflow: hidden;
    height: 100%;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.sy-book-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sy-shadow-up);
    border-color: var(--sy-paper-edge);
}
.sy-book-cover {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--sy-paper-2);
}
.sy-book-cover img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.sy-book-card:hover .sy-book-cover img { transform: scale(1.05); }
.sy-book-cover .sy-book-cat {
    position: absolute;
    left: 8px; top: 8px;
    padding: 2px 8px;
    background: rgba(44, 40, 38, 0.78);
    color: #fff;
    font-size: 11px;
    border-radius: 3px;
    letter-spacing: 0.5px;
    backdrop-filter: blur(2px);
}
.sy-book-info {
    padding: 12px 14px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.sy-book-title {
    font-size: 15px;
    margin: 0 0 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sy-book-title a { color: var(--sy-ink-2); }
.sy-book-title a:hover { color: var(--sy-vermilion); }

.sy-book-author {
    font-size: 12px;
    color: var(--sy-gray);
    margin-bottom: 6px;
}
.sy-book-author .sy-label { color: var(--sy-gray-2); }
.sy-book-desc {
    font-size: 12.5px;
    color: var(--sy-gray);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.sy-book-meta {
    margin-top: 8px;
    font-size: 11.5px;
    color: var(--sy-gray-2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px dashed var(--sy-line);
    padding-top: 8px;
}

/* 紧凑版书卡（侧边栏用） */
.sy-book-mini {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--sy-line);
}
.sy-book-mini:last-child { border-bottom: 0; }
.sy-book-mini .sy-mini-cover {
    flex: 0 0 56px;
    width: 56px; height: 75px;
    border-radius: 3px;
    overflow: hidden;
    background: var(--sy-paper-2);
}
.sy-book-mini .sy-mini-cover img { width: 100%; height: 100%; object-fit: cover; }
.sy-book-mini .sy-mini-info { flex: 1; min-width: 0; }
.sy-book-mini .sy-mini-title {
    font-size: 13.5px;
    margin: 0 0 4px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sy-book-mini .sy-mini-author {
    font-size: 11.5px;
    color: var(--sy-gray);
    margin-bottom: 2px;
}
.sy-book-mini .sy-mini-cat {
    font-size: 11px;
    color: var(--sy-vermilion);
}

/* ====================== 面包屑 ====================== */
.sy-crumb {
    list-style: none;
    margin: 0 0 18px;
    padding: 10px 16px;
    background: var(--sy-paper);
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    font-size: 13px;
    color: var(--sy-gray);
}
.sy-crumb li { display: flex; align-items: center; }
.sy-crumb li + li::before {
    content: "›";
    margin: 0 8px;
    color: var(--sy-gray-3);
}
.sy-crumb a { color: var(--sy-gray); }
.sy-crumb a:hover { color: var(--sy-vermilion); }
.sy-crumb li:last-child a { color: var(--sy-ink-2); font-weight: 500; }

/* ====================== 章节列表 ====================== */
.sy-chapter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0;
    border-top: 1px solid var(--sy-line);
    border-left: 1px solid var(--sy-line);
}
.sy-chapter-grid a {
    padding: 12px 16px;
    border-right: 1px solid var(--sy-line);
    border-bottom: 1px solid var(--sy-line);
    font-size: 14px;
    color: var(--sy-ink);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all .15s ease;
    line-height: 1.4;
}
.sy-chapter-grid a:hover {
    background: var(--sy-paper);
    color: var(--sy-vermilion);
    padding-left: 22px;
}
.sy-chapter-grid a .sy-chap-num {
    color: var(--sy-gray-2);
    font-size: 12px;
    font-family: "Times New Roman", serif;
    flex: 0 0 38px;
}
.sy-chapter-grid a:hover .sy-chap-num { color: var(--sy-vermilion); }

.sy-chapter-more {
    text-align: center;
    padding: 24px 0 6px;
}

/* ====================== 首页 hero ====================== */
.sy-hero {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 18px;
    margin-bottom: 24px;
}
.sy-hero-main {
    background: linear-gradient(135deg, #2c2826 0%, #443c34 100%);
    color: #faf7f2;
    border-radius: var(--sy-radius-lg);
    padding: 36px 40px;
    position: relative;
    overflow: hidden;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.sy-hero-main::before {
    content: "書";
    position: absolute;
    right: -20px; bottom: -50px;
    font-size: 280px;
    font-family: "Songti SC", "STSong", serif;
    color: rgba(255, 253, 249, 0.05);
    line-height: 1;
    pointer-events: none;
}
.sy-hero-main::after {
    content: "";
    position: absolute;
    left: 0; top: 0;
    width: 4px; height: 100%;
    background: var(--sy-vermilion);
}
.sy-hero-eyebrow {
    font-size: 12px;
    letter-spacing: 4px;
    color: var(--sy-vermilion-2);
    text-transform: uppercase;
    margin-bottom: 14px;
}
.sy-hero-title {
    color: #fff;
    font-size: 32px;
    margin: 0 0 12px;
    line-height: 1.3;
    font-weight: 700;
}
.sy-hero-desc {
    color: rgba(255, 253, 249, 0.75);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 18px;
    max-width: 560px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sy-hero-meta {
    font-size: 12.5px;
    color: rgba(255, 253, 249, 0.55);
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}
.sy-hero-meta span strong { color: #fff; margin-right: 4px; }
.sy-hero-side {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 18px;
}
.sy-hero-side .sy-side-card {
    background: #fff;
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius-lg);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: all .2s ease;
}
.sy-hero-side .sy-side-card:hover {
    border-color: var(--sy-vermilion);
    transform: translateY(-2px);
}
.sy-hero-side .sy-side-card::after {
    content: "";
    position: absolute;
    right: -30px; top: -30px;
    width: 90px; height: 90px;
    background: var(--sy-paper-2);
    border-radius: 50%;
    opacity: 0.6;
}
.sy-side-card .sy-side-label {
    font-size: 12px;
    color: var(--sy-vermilion);
    letter-spacing: 2px;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}
.sy-side-card .sy-side-title {
    font-size: 18px;
    margin: 0 0 6px;
    position: relative; z-index: 1;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sy-side-card .sy-side-meta {
    font-size: 12px;
    color: var(--sy-gray);
    position: relative; z-index: 1;
}

/* ====================== 文字列表 ====================== */
.sy-text-list { list-style: none; margin: 0; padding: 0; }
.sy-text-list li {
    padding: 12px 0;
    border-bottom: 1px dashed var(--sy-line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.sy-text-list li:last-child { border-bottom: 0; }
.sy-text-list .sy-text-title {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    color: var(--sy-ink);
    display: flex;
    align-items: center;
    gap: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sy-text-list .sy-text-title:hover { color: var(--sy-vermilion); }
.sy-text-list .sy-text-num {
    flex: 0 0 22px;
    width: 22px; height: 22px;
    border-radius: 3px;
    background: var(--sy-paper-2);
    color: var(--sy-gray);
    font-size: 12px;
    font-family: "Times New Roman", serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.sy-text-list li:nth-child(1) .sy-text-num { background: var(--sy-vermilion); color: #fff; }
.sy-text-list li:nth-child(2) .sy-text-num { background: #d97a30; color: #fff; }
.sy-text-list li:nth-child(3) .sy-text-num { background: #c89a3f; color: #fff; }
.sy-text-list .sy-text-time {
    font-size: 12px;
    color: var(--sy-gray-2);
    flex: 0 0 auto;
}

/* ====================== 标签云 ====================== */
.sy-tag-cloud {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
}
.sy-tag-cloud li a {
    display: inline-block;
    padding: 5px 12px;
    background: var(--sy-paper-2);
    color: var(--sy-gray);
    font-size: 13px;
    border-radius: 14px;
    border: 1px solid transparent;
    transition: all .2s ease;
}
.sy-tag-cloud li a:hover {
    background: var(--sy-vermilion);
    color: #fff;
    border-color: var(--sy-vermilion);
}

/* ====================== 详情页 ====================== */
.sy-detail-head {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 28px;
    padding: 8px 4px 24px;
}
.sy-detail-cover {
    width: 200px;
    aspect-ratio: 3 / 4;
    border-radius: var(--sy-radius-lg);
    overflow: hidden;
    background: var(--sy-paper-2);
    box-shadow: var(--sy-shadow-up);
}
.sy-detail-cover img { width: 100%; height: 100%; object-fit: cover; }
/* PC: .sy-detail-info 保持默认 block, 作为 col 2 的一个块,
   desc 自然在 col 2 里窄宽 = 原版行为 */
.sy-detail-info h1 {
    font-size: 28px;
    margin: 6px 0 12px;
    line-height: 1.3;
}
.sy-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--sy-gray);
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--sy-line);
}
.sy-detail-meta .sy-label { color: var(--sy-gray-2); margin-right: 4px; }
.sy-detail-meta .sy-val { color: var(--sy-ink-2); }
.sy-detail-desc {
    color: var(--sy-ink);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sy-detail-tags {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-bottom: 16px;
}
.sy-detail-tags a {
    display: inline-block;
    padding: 3px 10px;
    background: var(--sy-paper-2);
    color: var(--sy-gray);
    font-size: 12px;
    border-radius: 12px;
}
.sy-detail-tags a:hover { background: var(--sy-vermilion); color: #fff; }
.sy-detail-actions {
    display: flex; gap: 10px; flex-wrap: wrap;
}
.sy-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 22px;
    background: var(--sy-vermilion);
    color: #fff !important;
    border: 1px solid var(--sy-vermilion);
    border-radius: var(--sy-radius);
    font-size: 14px;
    cursor: pointer;
    transition: all .2s ease;
}
.sy-btn:hover {
    background: var(--sy-vermilion-2);
    border-color: var(--sy-vermilion-2);
    color: #fff !important;
}
.sy-btn--ghost {
    background: transparent;
    color: var(--sy-ink-2) !important;
    border-color: var(--sy-line);
}
.sy-btn--ghost:hover {
    background: var(--sy-paper-2);
    color: var(--sy-vermilion) !important;
    border-color: var(--sy-vermilion);
}

/* 详情页内小标题 */
.sy-section-title {
    font-size: 16px;
    margin: 0 0 14px;
    padding-left: 12px;
    border-left: 3px solid var(--sy-vermilion);
    line-height: 1.2;
}

/* 精彩节选 */
.sy-excerpt {
    background: var(--sy-paper);
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius);
    padding: 18px 22px;
    font-size: 14px;
    line-height: 1.9;
    color: var(--sy-ink);
    max-height: 220px;
    overflow: hidden;
    position: relative;
    transition: max-height 0.35s ease;
}
.sy-excerpt::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 60px;
    background: linear-gradient(180deg, transparent, var(--sy-paper));
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.sy-excerpt.is-expanded {
    max-height: 4000px;
}
.sy-excerpt.is-expanded::after {
    opacity: 0;
}
.sy-excerpt-toggle {
    display: block;
    margin: 12px auto 0;
    padding: 6px 22px;
    background: transparent;
    color: var(--sy-vermilion);
    border: 1px solid var(--sy-paper-edge);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    line-height: 1.4;
}
.sy-excerpt-toggle:hover {
    background: var(--sy-vermilion);
    color: #fff;
    border-color: var(--sy-vermilion);
}
.sy-excerpt-toggle .sy-toggle-arrow {
    display: inline-block;
    margin-left: 2px;
    transition: transform 0.25s ease;
}
.sy-excerpt-toggle.is-expanded .sy-toggle-arrow {
    transform: rotate(180deg);
}

/* 最新章节提示 */
.sy-latest-line {
    background: #fffdf9;
    border: 1px dashed var(--sy-paper-edge);
    padding: 12px 16px;
    border-radius: var(--sy-radius);
    font-size: 13.5px;
    color: var(--sy-gray);
}
.sy-latest-line a { color: var(--sy-vermilion); font-weight: 500; }
.sy-latest-line a:hover { text-decoration: underline; }

/* ====================== 阅读页 ====================== */
.sy-reader {
    max-width: 760px;
    margin: 0 auto;
    background: var(--sy-paper);
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius-lg);
    box-shadow: var(--sy-shadow);
    padding: 36px 56px 28px;
}
.sy-reader-title {
    text-align: center;
    font-size: 24px;
    margin: 0 0 6px;
    letter-spacing: 1.5px;
}
.sy-reader-time {
    text-align: center;
    color: var(--sy-gray-2);
    font-size: 12px;
    margin-bottom: 28px;
}
.sy-reader-body {
    font-size: 17px;
    line-height: 2;
    color: var(--sy-ink-2);
    letter-spacing: 0.3px;
}
.sy-reader-body p { margin: 0 0 1em; text-indent: 2em; }

.sy-reader-nav {
    margin-top: 36px;
    padding-top: 22px;
    border-top: 1px solid var(--sy-line);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 10px;
    align-items: center;
}
.sy-reader-nav a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--sy-paper-2);
    border-radius: var(--sy-radius);
    color: var(--sy-ink-2);
    font-size: 13.5px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: all .2s ease;
}
.sy-reader-nav a:hover { background: var(--sy-vermilion); color: #fff; }
.sy-reader-nav .sy-prev { justify-content: flex-start; }
.sy-reader-nav .sy-next { justify-content: flex-end; text-align: right; }
.sy-reader-nav .sy-catalog {
    background: transparent;
    border: 1px solid var(--sy-line);
    color: var(--sy-vermilion);
    font-weight: 500;
}
.sy-reader-nav .sy-catalog:hover { background: var(--sy-vermilion); color: #fff; border-color: var(--sy-vermilion); }

/* ====================== 文章列表项 ====================== */
.sy-article-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px dashed var(--sy-line);
}
.sy-article-item:first-child { padding-top: 4px; }
.sy-article-item:last-child { border-bottom: 0; }
.sy-article-cover {
    width: 200px;
    aspect-ratio: 16 / 10;
    border-radius: var(--sy-radius);
    overflow: hidden;
    background: var(--sy-paper-2);
    position: relative;
}
.sy-article-cover img { width: 100%; height: 100%; object-fit: cover; }
.sy-article-cover .sy-article-cat {
    position: absolute;
    left: 8px; top: 8px;
    padding: 2px 10px;
    background: rgba(181, 69, 58, 0.92);
    color: #fff;
    font-size: 11px;
    border-radius: 3px;
}
.sy-article-content h3 {
    font-size: 17px;
    margin: 2px 0 8px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sy-article-content h3 a { color: var(--sy-ink-2); }
.sy-article-content h3 a:hover { color: var(--sy-vermilion); }
.sy-article-content .sy-article-desc {
    font-size: 13.5px;
    color: var(--sy-gray);
    line-height: 1.7;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sy-article-content .sy-article-meta {
    font-size: 12px;
    color: var(--sy-gray-2);
    display: flex; gap: 14px; flex-wrap: wrap;
}

/* ====================== 通用页 ====================== */
.sy-page-title {
    text-align: center;
    font-size: 24px;
    margin: 8px 0 6px;
}
.sy-page-body {
    font-size: 15px;
    line-height: 1.9;
    color: var(--sy-ink);
}
.sy-page-body p { margin: 0 0 1em; }

/* ====================== 搜索 ====================== */
.sy-search-wrap { padding: 36px 0 24px; }
.sy-search-form {
    display: flex;
    max-width: 640px;
    margin: 0 auto;
    border: 2px solid var(--sy-vermilion);
    border-radius: 28px;
    overflow: hidden;
    background: #fff;
}
.sy-search-form input {
    flex: 1;
    border: 0;
    padding: 12px 22px;
    font-size: 15px;
    outline: none;
    background: transparent;
    color: var(--sy-ink);
}
.sy-search-form input::placeholder { color: var(--sy-gray-2); }
.sy-search-form button {
    width: 56px;
    background: var(--sy-vermilion);
    color: #fff;
    border: 0;
    cursor: pointer;
    transition: background .2s ease;
}
.sy-search-form button:hover { background: var(--sy-vermilion-2); }
.sy-search-form button img { width: 18px; height: 18px; filter: brightness(0) invert(1); }

.sy-hot-keys {
    max-width: 640px;
    margin: 14px auto 0;
    text-align: center;
}
.sy-hot-keys .sy-hot-keys-label {
    font-size: 12px;
    color: var(--sy-gray-2);
    margin-right: 6px;
}
.sy-hot-keys a {
    display: inline-block;
    margin: 4px 6px;
    padding: 2px 10px;
    background: var(--sy-paper-2);
    color: var(--sy-gray);
    border-radius: 12px;
    font-size: 12.5px;
}
.sy-hot-keys a:hover { background: var(--sy-vermilion); color: #fff; }

.sy-no-data {
    padding: 60px 0;
    text-align: center;
    color: var(--sy-gray-2);
}
.sy-no-data img { width: 60px; opacity: 0.5; margin-bottom: 10px; }
.sy-no-data p { margin: 0; font-size: 14px; }

/* ====================== 友链 / sitemap ====================== */
.sy-friend-link { padding: 8px 0; }
.sy-friend-link ul {
    list-style: none;
    margin: 0; padding: 0;
    display: flex; flex-wrap: wrap;
    align-items: center;
}
.sy-friend-link li {
    margin: 4px 14px 4px 0;
    font-size: 13px;
    color: var(--sy-gray-2);
}
.sy-friend-link a { color: var(--sy-gray); }
.sy-friend-link a:hover { color: var(--sy-vermilion); }

.sy-sitemap-list {
    list-style: none;
    margin: 0; padding: 0;
    display: flex; flex-wrap: wrap;
    gap: 8px 10px;
}
.sy-sitemap-list li a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--sy-paper-2);
    color: var(--sy-gray);
    border-radius: 14px;
    font-size: 13px;
}
.sy-sitemap-list li a:hover { background: var(--sy-vermilion); color: #fff; }

/* ====================== 友链申请 ====================== */
.sy-form-row { margin-bottom: 16px; }
.sy-form-row label {
    display: block;
    font-size: 13px;
    color: var(--sy-ink-2);
    margin-bottom: 6px;
    font-weight: 500;
}
.sy-form-row .form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius);
    font-size: 14px;
    background: #fffdf9;
    color: var(--sy-ink);
    transition: border-color .2s ease;
    font-family: inherit;
}
.sy-form-row .form-control:focus {
    outline: none;
    border-color: var(--sy-vermilion);
    box-shadow: 0 0 0 3px rgba(181, 69, 58, 0.08);
}

/* ====================== 专题/标签头部 ====================== */
.sy-topic-head {
    display: flex;
    gap: 20px;
    padding: 24px 0 20px;
    border-bottom: 1px solid var(--sy-line);
    margin-bottom: 20px;
    align-items: flex-start;
}
.sy-topic-icon {
    flex: 0 0 70px;
    width: 70px; height: 70px;
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius);
    background: var(--sy-paper-2);
    display: flex; align-items: center; justify-content: center;
    color: var(--sy-vermilion);
    font-size: 30px;
    font-family: "Songti SC", serif;
}
.sy-topic-content { flex: 1; }
.sy-topic-content h2 {
    font-size: 22px;
    margin: 0 0 8px;
    color: var(--sy-ink-2);
}
.sy-topic-content p {
    margin: 0;
    color: var(--sy-gray);
    font-size: 14px;
    line-height: 1.7;
}

/* ====================== 页脚 ====================== */
.sy-footer {
    background: var(--sy-ink-2);
    color: rgba(255, 253, 249, 0.65);
    padding: 30px 0 24px;
    margin-top: 36px;
    text-align: center;
    font-size: 13px;
}
.sy-footer a { color: rgba(255, 253, 249, 0.75); }
.sy-footer a:hover { color: var(--sy-vermilion-2); }
.sy-footer .sy-footer-inner {
}
.sy-footer .sy-friend-row {
    padding: 0 0 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid rgba(255, 253, 249, 0.1);
    text-align: left;
    color: rgba(255, 253, 249, 0.5);
    font-size: 12.5px;
    word-break: break-all;
}
.sy-footer .sy-friend-row a { color: rgba(255, 253, 249, 0.65); margin: 0 8px; }
.sy-footer .sy-copyright-line { line-height: 1.9; }
.sy-footer .sy-footer-brand { color: var(--sy-vermilion-2); font-family: "Songti SC", serif; }

/* ====================== 分页 ====================== */
.sy-pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    margin: 24px 0 8px;
    list-style: none;
    padding: 0;
}
.sy-pagination a, .sy-pagination span {
    display: inline-block;
    min-width: 36px; height: 36px;
    line-height: 36px;
    text-align: center;
    padding: 0 12px;
    background: #fff;
    color: var(--sy-ink);
    border: 1px solid var(--sy-line);
    border-radius: var(--sy-radius);
    font-size: 13px;
    transition: all .2s ease;
}
.sy-pagination a:hover {
    border-color: var(--sy-vermilion);
    color: var(--sy-vermilion);
}
.sy-pagination .active span,
.sy-pagination span.active {
    background: var(--sy-vermilion);
    border-color: var(--sy-vermilion);
    color: #fff;
}
.sy-pagination .disabled span {
    color: var(--sy-gray-3);
    cursor: not-allowed;
}

/* ====================== 响应式 ====================== */
@media (max-width: 992px) {
    .sy-hero { grid-template-columns: 1fr; }
    .sy-hero-main { padding: 28px 24px; min-height: auto; }
    .sy-hero-title { font-size: 26px; }
    /* 详情头: 浮动布局
       - 取消 grid, 改为 block
       - cover float:left, h1/meta 围绕 cover 排在右侧
       - desc 加 clear:both 强制换到 cover 下面, 撞满整行 = 用户要的“图+信息总宽” */
    .sy-detail-head {
        display: block;
        padding: 8px 4px 18px;
    }
    .sy-detail-cover {
        float: left;
        width: 120px;
        margin: 4px 14px 10px 0;
    }
    .sy-detail-info h1 { font-size: 22px; }
    /* 简介: clear 掉 cover 浮动, 自己撞满一整行 */
    .sy-detail-desc {
        clear: both;
        margin-top: 4px;
        padding-top: 14px;
        /* meta 已有 border-bottom, 这里不重复加 border-top, 避免双线 */
        position: relative;
        -webkit-line-clamp: unset;
        display: block;
        overflow: visible;
    }
    .sy-detail-desc::before {
        content: "简 介";
        display: inline-block;
        font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
        font-size: 12px;
        color: var(--sy-vermilion);
        letter-spacing: 4px;
        padding: 2px 10px;
        border: 1px solid var(--sy-vermilion);
        border-radius: 3px;
        margin-right: 10px;
        vertical-align: 2px;
    }
    .sy-detail-tags { margin-top: 12px; }
    .sy-detail-actions { flex-wrap: nowrap; gap: 8px; }
    .sy-detail-actions .sy-btn {
        flex: 1;
        justify-content: center;
        padding: 9px 8px;
        font-size: 13px;
        white-space: nowrap;
    }
    .sy-reader { padding: 24px 22px 18px; }
    .sy-article-item { grid-template-columns: 130px 1fr; gap: 14px; }
    .sy-article-cover { width: 130px; }
}

@media (max-width: 768px) {
    .sy-header .sy-header-inner { height: 56px; }
    .sy-logo { font-size: 18px; letter-spacing: 1px; }
    .sy-logo .sy-logo-mark { width: 28px; height: 28px; font-size: 16px; }
    .sy-nav {
        position: fixed;
        top: 56px; left: 0; right: 0;
        flex-direction: column;
        background: #fffdf9;
        border-top: 1px solid var(--sy-line);
        box-shadow: 0 4px 12px rgba(50, 38, 24, 0.08);
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
        z-index: 99;
    }
    .sy-nav.open { max-height: 60vh; overflow-y: auto; }
    .sy-nav .sy-nav-link { line-height: 44px; padding: 0 20px; width: 100%; border-bottom: 1px solid var(--sy-line); }
    .sy-nav .sy-nav-link::after { display: none; }
    .sy-nav-toggle { display: inline-flex; }
    /* 详情头: 手机屏进一步压缩, cover 变窄, 简介印章变小 */
    .sy-detail-cover { width: 100px; margin-right: 12px; }
    .sy-detail-info h1 { font-size: 20px; }
    .sy-detail-desc { padding-top: 12px; }
    .sy-detail-desc::before {
        font-size: 11px;
        padding: 2px 8px;
        letter-spacing: 3px;
        margin-right: 8px;
    }
    .sy-article-item { grid-template-columns: 1fr; }
    .sy-article-cover { width: 100%; aspect-ratio: 16/9; }
    .sy-reader { padding: 20px 16px 14px; }
    .sy-reader-body { font-size: 16px; }
    .sy-reader-title { font-size: 20px; }
    .sy-reader-nav { grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
    .sy-reader-nav a { padding: 10px 6px; font-size: 12.5px; }
    /* 显式覆盖 .sy-prev / .sy-next / .sy-catalog 三个控件的基规则, 使文字居中 */
    .sy-reader-nav a,
    .sy-reader-nav .sy-prev,
    .sy-reader-nav .sy-next,
    .sy-reader-nav .sy-catalog {
        justify-content: center;
        text-align: center;
    }
    .sy-reader-nav .sy-catalog { grid-column: auto; }
    .sy-chapter-grid { grid-template-columns: repeat(2, 1fr); }
    .panel-box-body { padding: 16px; }
    .panel-box-heading { padding: 12px 16px; }
}


/* ========== Reader: Progress + Toolbar + Drawer ========== */
.sy-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 200; background: rgba(0,0,0,0.05); }
.sy-progress-bar { height: 100%; width: 0%; background: #8b1a1a; }
.sy-toolbar { position: fixed; bottom: 24px; right: 24px; z-index: 150; display: flex; flex-direction: column; gap: 6px; }
.sy-tb-btn { width: 44px; height: 44px; border: 1px solid var(--sy-line, #d8cfc0); background: var(--sy-paper, #f5f0e8); color: var(--sy-ink, #3a2a1a); font-size: 18px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .2s ease; }
.sy-tb-btn:hover { background: var(--sy-ink, #3a2a1a); color: var(--sy-paper, #f5f0e8); }
.sy-drawer-overlay, .sy-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 160; opacity: 0; pointer-events: none; transition: opacity .3s; }
.sy-drawer-overlay.active, .sy-overlay.active { opacity: 1; pointer-events: all; }
.sy-read-drawer { position: fixed; top: 0; left: 0; width: 300px; height: 100%; background: var(--sy-paper, #f5f0e8); z-index: 220; transform: translateX(-100%); transition: transform .3s; border-right: 3px double #8b1a1a; pointer-events: auto; }
.sy-read-drawer.active { transform: translateX(0); }
.sy-read-drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--sy-line, #d8cfc0); }
.sy-read-drawer-head h4 { font-size: 18px; font-weight: 700; }
.sy-read-drawer-head button { font-size: 22px; background: transparent; border: none; cursor: pointer; color: var(--sy-ink, #3a2a1a); }
.sy-read-drawer-body { overflow-y: auto; height: calc(100% - 56px); }
.sy-read-drawer-body a { display: block; padding: 10px 20px; font-size: 14px; border-bottom: 1px dotted var(--sy-line, #d8cfc0); }
.sy-read-drawer-body a.active { background: #8b1a1a; color: #f5f0e8; }
.sy-bottom-sheet { position: fixed; bottom: 0; left: 50%; transform: translate(-50%, 100%); transition: transform .3s; background: var(--sy-paper, #f5f0e8); z-index: 220; width: 100%; max-width: 560px; border: 1px solid var(--sy-line, #d8cfc0); border-bottom: none; }
.sy-bottom-sheet.active { transform: translate(-50%, 0); }
.sy-sheet-head { padding: 14px 24px 8px; border-bottom: 1px solid var(--sy-line, #d8cfc0); display: flex; justify-content: space-between; align-items: center; }
.sy-sheet-head h4 { font-size: 18px; font-weight: 700; }
.sy-sheet-head button { font-size: 22px; background: transparent; border: none; cursor: pointer; }
.sy-sheet-body { padding: 16px 24px 24px; }
.sy-opt-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sy-opt-row span { font-size: 13px; font-weight: 700; }
.sy-opt-btns { display: flex; gap: 6px; }
.sy-opt-btns button { padding: 6px 16px; border: 1px solid var(--sy-line, #d8cfc0); background: var(--sy-paper, #f5f0e8); font-size: 13px; cursor: pointer; }
.sy-opt-btns button.active { background: var(--sy-ink, #3a2a1a); color: var(--sy-paper, #f5f0e8); }
.sy-theme-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.sy-theme-item { padding: 14px 8px; font-size: 12px; font-weight: 700; cursor: pointer; border: 1px solid transparent; }
.sy-theme-item.active { box-shadow: 0 0 0 2px #8b1a1a; }
/* ====================== 阅读页主题作用域 ======================
   主题 class 加在 .sy-reader-page 容器上,作用域仅限阅读页:
   - 阅读页所有元素(工具栏/抽屉/面板/面包屑/.sy-reader)继承变量
   - 顶部/底部导航在 .sy-reader-page 之外,继续用 :root 的浅色变量
     → 深色主题下导航文字还是深色,清晰可见
   - 其他页面没有 .sy-reader-page,主题类不会触发
*/
.sy-reader-page {
    --sy-paper:        #faf7f2;
    --sy-paper-2:      #f3ede2;
    --sy-paper-edge:   #e8e0d0;
    --sy-ink:          #2c2826;
    --sy-ink-2:        #1a1816;
    --sy-gray:         #6b6560;
    --sy-gray-2:       #908a83;
    --sy-gray-3:       #c2bdb6;
    --sy-line:         #ebe4d5;
}
.sy-reader-page.sy-theme-sepia {
    --sy-paper:        #e8dcc4;
    --sy-paper-2:      #d8ccb4;
    --sy-paper-edge:   #c0b294;
    --sy-ink:          #4a3a2a;
    --sy-ink-2:        #2a1f10;
    --sy-gray:         #7a6a5a;
    --sy-gray-2:       #8a7a6a;
    --sy-gray-3:       #b8a886;
    --sy-line:         #b8a886;
}
.sy-reader-page.sy-theme-dark {
    --sy-paper:        #1a1a1a;
    --sy-paper-2:      #242424;
    --sy-paper-edge:   #333;
    --sy-ink:          #c8b896;
    --sy-ink-2:        #f0e0c0;
    --sy-gray:         #998a78;
    --sy-gray-2:       #888;
    --sy-gray-3:       #555;
    --sy-line:         #444;
}
.sy-reader-page.sy-theme-green {
    --sy-paper:        #e8f0e3;
    --sy-paper-2:      #d8e2c8;
    --sy-paper-edge:   #b8c8a8;
    --sy-ink:          #3a4a35;
    --sy-ink-2:        #1a2a1a;
    --sy-gray:         #6a7a60;
    --sy-gray-2:       #8a9a85;
    --sy-gray-3:       #b8c8b3;
    --sy-line:         #a8c098;
}