@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Noto+Serif+SC:wght@400;600;700&family=ZCOOL+XiaoWei&display=swap');

:root {
    --bg-body: #f4efe3;
    --bg-paper: #fffaf1;
    --bg-soft: #f8f2e6;
    --line: #d9ccb2;
    --line-strong: #c2af8d;
    --text-main: #2f2c26;
    --text-muted: #6d6558;
    --brand: #0f7a67;
    --brand-deep: #0b5f51;
    --accent: #d27b35;
    --danger: #b84938;
    --shadow: 0 16px 34px rgba(83, 59, 20, 0.12);
    --shadow-soft: 0 8px 20px rgba(82, 56, 21, 0.08);
    --radius: 18px;
    --radius-sm: 12px;
    --container: 1220px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    color: var(--text-main);
    font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background:
        radial-gradient(circle at 0 0, rgba(210, 123, 53, 0.12), transparent 42%),
        radial-gradient(circle at 100% 0, rgba(15, 122, 103, 0.16), transparent 40%),
        linear-gradient(180deg, #f7f3ea 0%, var(--bg-body) 48%, #f0e8d8 100%);
    min-height: 100vh;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    width: min(var(--container), calc(100% - 34px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    backdrop-filter: blur(8px);
    background: rgba(247, 243, 234, 0.95);
    border-bottom: 1px solid rgba(194, 175, 141, 0.5);
}

.header-ribbon {
    border-bottom: 1px dashed var(--line-strong);
    background:
        linear-gradient(90deg, rgba(15, 122, 103, 0.08), transparent 28%, transparent 72%, rgba(210, 123, 53, 0.09)),
        var(--bg-paper);
}

.ribbon-inner {
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    color: var(--text-muted);
    font-size: 13px;
}

.ribbon-links {
    display: flex;
    gap: 14px;
}

.ribbon-links a:hover {
    color: var(--brand);
}

.header-main {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 24px;
    min-height: 84px;
    margin-bottom: 5px;
    margin-top: 5px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-badge {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 24px;
    color: #fff;
    background: linear-gradient(145deg, var(--brand), var(--brand-deep));
    box-shadow: var(--shadow-soft);
}

.brand-text {
    display: inline-flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-text strong {
    font-family: 'Noto Serif SC', serif;
    font-size: 23px;
    letter-spacing: 1px;
}

.brand-text em {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    font-style: normal;
}

.site-menu {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 18px;
    align-items: center;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.main-nav a {
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 14px;
    border: 1px solid transparent;
    transition: all 0.25s ease;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(15, 122, 103, 0.1);
    border-color: rgba(15, 122, 103, 0.32);
    color: var(--brand-deep);
}

.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-box input {
    flex: 1;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 999px;
    height: 38px;
    padding: 0 14px;
    background: #fff;
    color: var(--text-main);
    font-size: 14px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(15, 122, 103, 0.15);
}

.search-box button {
    border: 0;
    border-radius: 999px;
    height: 38px;
    padding: 0 16px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), var(--brand-deep));
    cursor: pointer;
}

.nav-toggle {
    display: none;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: var(--bg-paper);
    min-height: 40px;
    padding: 6px 10px;
    gap: 5px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-main);
}

.nav-toggle span {
    display: block;
    width: 17px;
    height: 2px;
    border-radius: 999px;
    background: var(--text-main);
    transition: transform 0.2s ease;
}

.nav-toggle i {
    margin-left: 2px;
    font-style: normal;
    font-size: 12px;
}

.page-main {
    padding: 30px 0 36px;
}

.grid-layout {
    width: min(var(--container), calc(100% - 34px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 20px;
}

.main-column {
    min-width: 0;
    display: grid;
    gap: 20px;
    align-content: start;
}

.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 249, 238, 0.95));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
    padding: 20px;
}

.section-title {
    margin: 0 0 16px;
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    line-height: 1.25;
    letter-spacing: 0.3px;
}

.book-list {
    display: grid;
    gap: 14px;
}

.book-item {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    padding: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(194, 175, 141, 0.52);
    background: var(--bg-paper);
}

.book-cover {
    width: 108px;
    height: 146px;
    border-radius: 10px;
    object-fit: cover;
    border: 1px solid rgba(194, 175, 141, 0.5);
}

.book-title {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 20px;
    font-family: 'Noto Serif SC', serif;
}

.book-title:hover {
    color: var(--brand-deep);
}

.book-author {
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 2px;
}

.book-intro {
    margin-top: 7px;
    color: #534d42;
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-meta {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--text-muted);
    font-size: 12px;
}

.meta-tag {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 999px;
    border: 1px solid rgba(15, 122, 103, 0.22);
    background: rgba(15, 122, 103, 0.1);
    color: var(--brand-deep);
}

.pagination {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
}

.pagination li {
    list-style: none;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 36px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text-main);
    font-size: 13px;
}

.pagination a:hover {
    border-color: var(--brand);
    color: var(--brand);
}

.pagination .disabled span,
.pagination .page-active span {
    background: rgba(15, 122, 103, 0.12);
    border-color: rgba(15, 122, 103, 0.28);
    color: var(--brand-deep);
}

.site-footer {
    border-top: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 251, 244, 0.95), rgba(245, 237, 224, 0.95));
}

.footer-content {
    padding: 30px 0 40px;
    color: var(--text-muted);
}

.footer-title {
    margin: 0;
    color: var(--text-main);
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
}

.footer-desc {
    margin: 10px 0 0;
}

.footer-copy {
    margin: 8px 0 0;
    font-size: 12px;
}

.friend-links {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
}

.friend-links a:hover {
    color: var(--brand);
}

@media (max-width: 980px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }

    .main-column {
        order: 1;
    }

    .sidebar-stack {
        order: 2;
    }
}

@media (max-width: 960px) {
    .header-main {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 14px;
        min-height: 74px;
    }

    .site-menu {
        position: absolute;
        left: 0;
        right: 0;
        top: calc(100% - 6px);
        z-index: 20;
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
        background: var(--bg-paper);
        border: 1px solid var(--line);
        border-radius: 16px;
        box-shadow: var(--shadow);
        padding: 0 14px;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        pointer-events: none;
        transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.25s ease;
    }

    .site-header.menu-open .site-menu {
        max-height: 420px;
        opacity: 1;
        padding: 14px;
        pointer-events: auto;
    }

    .main-nav {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 8px;
    }

    .main-nav a {
        text-align: center;
        border-color: rgba(194, 175, 141, 0.7);
        background: rgba(255, 255, 255, 0.6);
    }

    .search-box {
        padding-bottom: 6px;
    }

    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
    }

    .site-header.menu-open .nav-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .site-header.menu-open .nav-toggle span:nth-child(2) {
        opacity: 0;
    }

    .site-header.menu-open .nav-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

@media (max-width: 640px) {
    .container,
    .grid-layout {
        width: calc(100% - 24px);
    }

    .section-title {
        font-size: 22px;
    }

    .card {
        padding: 16px;
        border-radius: 16px;
    }

    .book-item {
        grid-template-columns: 92px minmax(0, 1fr);
        padding: 12px;
    }

    .book-cover {
        width: 92px;
        height: 126px;
    }

    .base-link-section { margin-bottom: 16px; }
    .base-link-list { padding: 12px 14px; }
    .base-link-list a { padding: 3px 8px; font-size: 12px; }
}

/* ══════════════════════════════════
   BASE LINK SECTIONS
   ══════════════════════════════════ */
.base-links {
    padding-top: 24px;
}

.base-link-section {
    background: var(--bg-paper);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.base-link-label {
    display: inline-block;
    padding: 5px 16px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: var(--brand);
    border-radius: var(--radius-sm) 0 var(--radius-sm) 0;
}

.base-link-list {
    display: flex;
    flex-wrap: wrap;
    padding: 14px 16px;
}

.base-link-list a {
    padding: 3px 10px;
    font-size: 13px;
    color: var(--text-muted);
    transition: color 0.2s;
}

.base-link-list a:hover { color: var(--brand); }