:root {
    --cdls-ink: #201713;
    --cdls-paper: #f8f1e4;
    --cdls-paper-deep: #eadcc3;
    --cdls-cinnabar: #a43d2b;
    --cdls-gold: #b28743;
    --cdls-green: #295241;
    --cdls-muted: #6d6258;
    --cdls-line: rgba(32, 23, 19, 0.14);
}

body {
    background: #fbf7ef;
    color: var(--cdls-ink);
}

.cdls-home,
.cdls-page,
.cdls-book,
.cdls-download {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.cdls-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    gap: 40px;
    align-items: center;
    min-height: 560px;
    padding: 72px min(6vw, 72px);
    background:
        linear-gradient(90deg, rgba(248, 241, 228, 0.96), rgba(248, 241, 228, 0.74)),
        radial-gradient(circle at 80% 30%, rgba(164, 61, 43, 0.16), transparent 34%),
        linear-gradient(135deg, #fbf5e9, #dfcaa5);
    border-bottom: 1px solid var(--cdls-line);
}

.cdls-hero h1 {
    margin: 0 0 16px;
    font-size: clamp(42px, 7vw, 82px);
    line-height: 1.02;
    letter-spacing: 0;
}

.cdls-hero p {
    max-width: 680px;
    font-size: 18px;
    color: var(--cdls-muted);
}

.cdls-section-kicker {
    margin: 0 0 10px;
    color: var(--cdls-cinnabar);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0;
}

.cdls-search {
    display: flex;
    max-width: 620px;
    margin-top: 28px;
    border: 1px solid var(--cdls-line);
    background: #fffaf1;
    box-shadow: 0 18px 42px rgba(59, 41, 24, 0.12);
}

.cdls-search input {
    flex: 1;
    min-width: 0;
    border: 0;
    padding: 16px 18px;
    background: transparent;
    font-size: 16px;
}

.cdls-search button,
.cdls-card-link,
.cdls-disk-button {
    border: 0;
    background: var(--cdls-ink);
    color: #fff;
    padding: 14px 20px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.cdls-hero-art {
    position: relative;
    min-height: 380px;
}

.cdls-scroll {
    position: absolute;
    inset: 8% 8% 20% 18%;
    border: 1px solid rgba(32, 23, 19, 0.18);
    background:
        linear-gradient(90deg, rgba(110, 72, 42, 0.08) 1px, transparent 1px) 0 0 / 28px 100%,
        linear-gradient(135deg, #f4e6c9, #caa86c);
    box-shadow: 0 28px 70px rgba(48, 32, 18, 0.22);
    transform: rotate(-5deg);
}

.cdls-book-stack {
    position: absolute;
    right: 4%;
    bottom: 7%;
    width: min(78%, 420px);
    aspect-ratio: 1.35;
    background:
        linear-gradient(#31231c 0 18%, #b28743 18% 23%, #5b3327 23% 42%, #eadcc3 42% 48%, #2b211c 48% 68%, #a43d2b 68% 74%, #4b3027 74% 100%);
    box-shadow: 0 24px 52px rgba(48, 32, 18, 0.28);
    transform: rotate(2deg);
}

.cdls-section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 56px 24px;
}

.cdls-section-head {
    margin-bottom: 22px;
}

.cdls-section h2,
.cdls-download h2,
.cdls-book h2 {
    margin: 0 0 12px;
    font-size: 28px;
    letter-spacing: 0;
}

.cdls-category-grid,
.cdls-post-grid,
.cdls-download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.cdls-category-grid a,
.cdls-card,
.cdls-download,
.cdls-page,
.cdls-book {
    border: 1px solid var(--cdls-line);
    background: #fffaf1;
    box-shadow: 0 12px 28px rgba(59, 41, 24, 0.08);
}

.cdls-category-grid a {
    padding: 18px;
    color: var(--cdls-ink);
    font-weight: 700;
    text-decoration: none;
}

.cdls-card {
    padding: 22px;
}

.cdls-card p,
.cdls-book-meta,
.cdls-download p,
.cdls-page p {
    color: var(--cdls-muted);
}

.cdls-card h3 {
    min-height: 58px;
    margin: 8px 0 12px;
    font-size: 21px;
    line-height: 1.35;
}

.cdls-card h3 a {
    color: var(--cdls-ink);
    text-decoration: none;
}

.cdls-card-link {
    display: inline-flex;
    margin-top: 12px;
}

.cdls-book {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 28px;
    max-width: 1080px;
    margin: 32px auto;
    padding: 28px;
}

.cdls-book-cover {
    display: grid;
    min-height: 300px;
    place-items: center;
    color: #f9ebd0;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 26%),
        linear-gradient(135deg, #4f231c, #17110f);
    box-shadow: inset 12px 0 0 rgba(178, 135, 67, 0.55);
}

.cdls-book-cover span {
    writing-mode: vertical-rl;
    font-size: 34px;
    font-weight: 700;
}

.cdls-badge {
    display: inline-flex;
    margin: 0 0 12px;
    padding: 6px 10px;
    color: #fff;
    background: var(--cdls-green);
    font-weight: 700;
}

.cdls-download {
    margin: 28px 0;
    padding: 24px;
}

.cdls-disk-button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    text-align: center;
}

.cdls-disk-baidu {
    background: #2457d6;
}

.cdls-disk-quark {
    background: #202fdb;
}

.cdls-disk-xunlei {
    background: #6840d9;
}

.cdls-disk-disabled {
    background: #ddd3c0;
    color: #74685b;
    cursor: not-allowed;
}

.cdls-page {
    max-width: 900px;
    margin: 32px auto;
    padding: 32px;
}

.cdls-notice {
    border-left: 4px solid var(--cdls-cinnabar);
    padding: 14px 18px;
    background: #f8eddc;
}

@media (max-width: 760px) {
    .cdls-hero,
    .cdls-book {
        grid-template-columns: 1fr;
    }

    .cdls-hero {
        min-height: auto;
        padding: 48px 20px;
    }

    .cdls-hero-art {
        min-height: 260px;
    }

    .cdls-search {
        display: grid;
    }

    .cdls-search button {
        width: 100%;
    }
}