.lanli-nav-dropdown {
    position: relative;
    color: color-mix(in srgb, var(--foreground) 80%, transparent);
}

.lanli-nav-dropdown summary {
    list-style: none;
    cursor: pointer;
    transition: color 0.15s ease, transform 0.15s ease;
}

.lanli-nav-dropdown summary::-webkit-details-marker {
    display: none;
}

.lanli-nav-dropdown summary::after {
    content: "";
    display: inline-block;
    width: 0.45rem;
    height: 0.45rem;
    margin-left: 0.45rem;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-0.18rem) rotate(45deg);
}

.lanli-nav-dropdown[open] summary,
.lanli-nav-dropdown:hover summary {
    color: var(--primary);
}

.lanli-nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 1rem);
    left: 50%;
    width: 18rem;
    transform: translateX(-50%);
    display: grid;
    gap: 0.25rem;
    padding: 0.75rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    box-shadow: 0 24px 70px rgb(15 23 42 / 14%);
}

.lanli-nav-dropdown-menu a {
    display: block;
    padding: 0.65rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--foreground);
    font-size: 0.95rem;
    line-height: 1.4;
}

.lanli-nav-dropdown-menu a:hover {
    background: var(--muted);
    color: var(--primary);
}

#mobile-menu .lanli-nav-dropdown-menu {
    position: static;
    width: auto;
    transform: none;
    margin-top: 0.75rem;
    box-shadow: none;
    background: var(--muted);
}

#mobile-menu .lanli-nav-dropdown summary,
#mobile-menu a {
    display: block;
}

.lanli-page-shell {
    padding: 8rem 1.5rem 6rem;
    background: linear-gradient(180deg, #f8fafc 0, #fff 18rem);
}

.lanli-page-article {
    max-width: 960px;
    margin: 0 auto;
}

.lanli-page-hero {
    padding: 3rem 0 2.25rem;
    border-bottom: 1px solid var(--border);
}

.lanli-page-kicker {
    margin-bottom: 0.8rem;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lanli-page-hero h1 {
    max-width: 860px;
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1.1;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: 0;
}

.lanli-page-summary {
    max-width: 760px;
    margin-top: 1.25rem;
    color: #475569;
    font-size: 1.15rem;
    line-height: 1.8;
}

.lanli-page-content {
    padding: 2.5rem 0;
    color: #1f2937;
    font-size: 1.06rem;
    line-height: 1.9;
}

.lanli-page-content h2 {
    margin: 2.6rem 0 1rem;
    color: #0f172a;
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0;
}

.lanli-page-content h3 {
    margin: 2rem 0 0.75rem;
    color: #0f172a;
    font-size: 1.25rem;
    font-weight: 700;
}

.lanli-page-content p {
    margin: 1rem 0;
}

.lanli-page-content ul,
.lanli-page-content ol {
    margin: 1rem 0 1.25rem 1.4rem;
}

.lanli-page-content ul {
    list-style: disc;
}

.lanli-page-content ol {
    list-style: decimal;
}

.lanli-page-content li {
    margin: 0.45rem 0;
    padding-left: 0.25rem;
}

.lanli-page-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.lanli-page-content .wp-block-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 2rem 0;
}

.lanli-page-content .wp-block-button__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.25rem;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
}

.lanli-conversion-panel {
    margin: 2rem 0 0;
    padding: 2rem;
    border: 1px solid #bfdbfe;
    border-radius: 1rem;
    background: linear-gradient(135deg, #eff6ff, #fff);
    box-shadow: 0 20px 60px rgb(37 99 235 / 8%);
}

.lanli-conversion-panel h2 {
    margin: 0 0 0.9rem;
    color: #0f172a;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0;
}

.lanli-conversion-panel p {
    max-width: 820px;
    color: #475569;
    line-height: 1.8;
}

.lanli-conversion-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.lanli-conversion-grid a {
    display: flex;
    min-height: 10rem;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.1rem;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: #fff;
    color: inherit;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.lanli-conversion-grid a:hover {
    transform: translateY(-2px);
    border-color: #93c5fd;
    box-shadow: 0 16px 42px rgb(15 23 42 / 8%);
}

.lanli-conversion-grid strong {
    color: #0f172a;
    font-size: 1.05rem;
}

.lanli-conversion-grid span {
    margin-top: 0.8rem;
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.65;
}

@media (max-width: 1024px) {
    .lanli-conversion-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .lanli-page-shell {
        padding: 6.5rem 1rem 4rem;
    }

    .lanli-page-hero {
        padding: 2.25rem 0 1.75rem;
    }

    .lanli-page-content {
        font-size: 1rem;
    }

    .lanli-conversion-panel {
        padding: 1.25rem;
    }

    .lanli-conversion-grid {
        grid-template-columns: 1fr;
    }

    .lanli-nav-dropdown-menu a {
        font-size: 0.9rem;
    }
}