.nn-header__nav-list .nn-nav-link {
display: inline-flex;
align-items: center;
gap: 4px;
font-family: var(--nn-font-ui);
font-size: var(--nn-fs-sm);
font-weight: var(--nn-fw-semibold);
color: var(--nn-color-gray-700);
text-decoration: none;
padding: 6px 10px;
border-radius: var(--nn-radius-sm);
transition: color var(--nn-transition), background var(--nn-transition);
white-space: nowrap;
}
.nn-header__nav-list .nn-nav-link:hover {
color: var(--nn-color-indigo);
background: var(--nn-color-indigo-soft);
text-decoration: none;
}
.nn-nav-chevron {
flex-shrink: 0;
transition: transform 250ms ease;
opacity: 0.5;
}
.nn-has-mega:hover .nn-nav-chevron,
.nn-has-mega:focus-within .nn-nav-chevron {
transform: rotate(180deg);
opacity: 1;
}
.nn-has-mega {
position: static;
} .nn-has-mega > .nn-nav-link::after {
content: '';
position: absolute;
top: 100%;
left: -20px;
right: -20px;
height: 20px;
background: transparent;
pointer-events: none;
}
.nn-has-mega:hover > .nn-nav-link::after,
.nn-has-mega:focus-within > .nn-nav-link::after {
pointer-events: auto;
} .nn-mega-panel {
position: absolute;
top: 100%;
left: 50%;
transform: translateX(-50%) translateY(-6px);
width: 980px;
max-width: calc(100vw - 40px);
margin-top: 8px;
background: var(--nn-color-white);
border: 1px solid var(--nn-color-gray-100);
border-radius: 18px;
box-shadow: 0 24px 64px rgba(15, 23, 42, 0.14), 0 4px 16px rgba(15, 23, 42, 0.06);
opacity: 0;
visibility: hidden;
transition: opacity 200ms ease, visibility 200ms ease, transform 200ms ease;
z-index: 500;
pointer-events: none;
}
.nn-has-mega:hover .nn-mega-panel,
.nn-has-mega:focus-within .nn-mega-panel {
opacity: 1;
visibility: visible;
transform: translateX(-50%) translateY(0);
pointer-events: auto;
} .nn-mega-panel::before {
content: '';
position: absolute;
top: -7px;
left: var(--nn-arrow-left, 50%);
transform: translateX(-50%);
width: 14px;
height: 7px;
background: var(--nn-color-white);
clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
transition: left 200ms ease;
}
.nn-mega-panel__inner {
padding: 20px;
} .nn-mega-panel__head {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
margin-bottom: 16px;
padding-bottom: 14px;
border-bottom: 1px solid var(--nn-color-gray-100);
} .nn-mega-panel__label {
font-family: var(--nn-font-ui);
font-size: var(--nn-fs-xs);
font-weight: var(--nn-fw-bold);
padding: 5px 12px;
border-radius: var(--nn-radius-full);
white-space: nowrap;
flex-shrink: 0;
}
.nn-mega-panel__label.nn-cat-ai     { background: var(--nn-cat-ai-bg);     color: var(--nn-cat-ai); }
.nn-mega-panel__label.nn-cat-design { background: var(--nn-cat-design-bg); color: var(--nn-cat-design); }
.nn-mega-panel__label.nn-cat-dev    { background: var(--nn-cat-dev-bg);    color: var(--nn-cat-dev); }
.nn-mega-panel__all {
font-family: var(--nn-font-ui);
font-size: var(--nn-fs-xs);
font-weight: var(--nn-fw-semibold);
color: var(--nn-color-indigo);
text-decoration: none;
white-space: nowrap;
transition: opacity var(--nn-transition);
flex-shrink: 0;
}
.nn-mega-panel__all:hover {
opacity: 0.75;
text-decoration: none;
} .nn-mega-panel__grid {
display: grid;
grid-template-columns: repeat(5, 1fr);
gap: 10px;
} .nn-mega-card {
display: flex;
flex-direction: column;
border-radius: 12px;
overflow: hidden;
text-decoration: none;
border: 1px solid var(--nn-color-gray-100);
background: var(--nn-color-white);
transition: box-shadow 200ms ease, transform 200ms ease, border-color 200ms ease;
min-width: 0; }
.nn-mega-card:hover {
box-shadow: 0 8px 28px rgba(15, 23, 42, 0.10);
transform: translateY(-3px);
border-color: transparent;
text-decoration: none;
} .nn-mega-card__img-wrap {
position: relative;
margin: 8px 8px 0;
height: 96px;
border-radius: 8px;
overflow: hidden;
flex-shrink: 0;
} .nn-mega-card.nn-cat-ai     .nn-mega-card__img-wrap { background: var(--nn-cat-ai-bg); }
.nn-mega-card.nn-cat-design .nn-mega-card__img-wrap { background: var(--nn-cat-design-bg); }
.nn-mega-card.nn-cat-dev    .nn-mega-card__img-wrap { background: var(--nn-cat-dev-bg); }
.nn-mega-card               .nn-mega-card__img-wrap { background: var(--nn-color-indigo-soft); } .nn-mega-card__icon {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 100%;
}
.nn-mega-card__icon svg {
width: 48px;
height: 48px;
border-radius: 10px;
transition: transform 300ms ease;
filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.12));
}
.nn-mega-card:hover .nn-mega-card__icon svg {
transform: scale(1.1);
}
.nn-mega-card__img {
width: 100%;
height: 100%;
object-fit: cover;
object-position: center;
display: block;
transition: transform 300ms ease;
}
.nn-mega-card:hover .nn-mega-card__img {
transform: scale(1.05);
} .nn-mega-card__overlay {
position: absolute;
inset: 0;
background: linear-gradient(
to bottom,
rgba(15, 23, 42, 0.0) 50%,
rgba(15, 23, 42, 0.20) 100%
);
pointer-events: none;
} .nn-mega-card__body {
padding: 8px;
display: flex;
flex-direction: column;
gap: 4px;
flex: 1;
}
.nn-mega-card__title {
font-family: var(--nn-font-heading);
font-size: 0.8125rem;
font-weight: var(--nn-fw-bold);
color: var(--nn-color-ink);
line-height: var(--nn-lh-tight);
display: block;
word-break: break-word; hyphens: auto;
overflow-wrap: break-word;
}
.nn-mega-card__desc {
font-family: var(--nn-font-ui);
font-size: 0.7125rem;
color: var(--nn-color-gray-500);
line-height: var(--nn-lh-normal);
display: block;
word-break: break-word;
overflow-wrap: break-word;
}
.nn-mega-card__count {
font-family: var(--nn-font-ui);
font-size: 0.6875rem;
font-weight: var(--nn-fw-semibold);
color: var(--nn-color-gray-400);
display: block;
margin-top: auto;
padding-top: 6px;
} @media (max-width: 1023px) {
.nn-mega-panel {
display: none !important;
}
} @media (min-width: 1024px) and (max-width: 1279px) {
.nn-mega-panel {
width: 760px;
max-width: calc(100vw - 48px);
}
.nn-mega-card__img-wrap {
height: 80px;
}
.nn-mega-card__icon svg {
width: 40px;
height: 40px;
}
} .nn-mega-panel__head-links {
display: flex;
align-items: center;
gap: var(--nn-space-md);
flex-wrap: wrap;
}
.nn-mega-panel__guide {
font-family: var(--nn-font-ui);
font-size: var(--nn-fs-sm);
font-weight: var(--nn-fw-bold);
color: var(--nn-color-indigo);
text-decoration: none;
padding: 6px 12px;
border: 1.5px solid var(--nn-color-indigo);
border-radius: var(--nn-radius-sm);
transition: background var(--nn-transition), color var(--nn-transition);
}
.nn-mega-panel__guide:hover {
background: var(--nn-color-indigo-soft);
border-color: var(--nn-color-indigo-hover);
color: var(--nn-color-indigo-hover);
text-decoration: none;
}