This commit is contained in:
2026-04-29 19:04:20 +08:00
parent df60e8dd42
commit 07d11a15af
58 changed files with 3937 additions and 520 deletions
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// =============================================================================
// layout/_header.scss
// =============================================================================
.site-navbar {
position: sticky;
top: 0;
z-index: 100;
background-color: var(--navbar-bg);
box-shadow: var(--navbar-shadow);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
transition: box-shadow var(--transition-base), background-color var(--transition-base);
&.is-scrolled {
box-shadow: 0 4px 12px var(--color-shadow);
}
}
// Logo area.
.navbar-logo {
padding: 0.5rem 0.75rem;
img {
max-height: 2.5rem;
width: auto;
}
}
.navbar-site-name {
display: flex;
align-items: center;
gap: 0.5rem;
font-weight: 700;
color: var(--color-dark) !important;
white-space: nowrap;
}
.site-title-initial {
display: inline-flex;
align-items: center;
justify-content: center;
width: 2rem;
height: 2rem;
border-radius: 50%;
background-color: var(--color-primary);
color: #fff;
font-weight: 700;
font-size: 1rem;
}
// Hamburger burger three-line → X animation.
.navbar-burger {
background: transparent;
border: none;
padding: 0.5rem;
transition: opacity var(--transition-base);
span {
display: block;
width: 1.25rem;
height: 2px;
background: var(--color-text);
margin: 4px 0;
transition:
transform 0.3s ease,
opacity 0.3s ease;
transform-origin: center;
}
&.is-active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
&.is-active span:nth-child(2) { opacity: 0; }
&.is-active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}
// Search widget.
.navbar-search-wrap {
position: relative;
}
.navbar-search-toggle {
background: transparent;
border: none;
color: var(--color-text);
font-size: 1rem;
padding: 0.25rem 0.5rem;
transition: color var(--transition-base);
&:hover {
color: var(--color-primary);
}
@include focus-ring;
}
.navbar-search-form {
position: absolute;
top: 110%;
right: 0;
background: var(--color-background);
border: 1px solid var(--color-border);
border-radius: 6px;
padding: 0.5rem;
box-shadow: var(--card-shadow);
min-width: 200px;
.input {
border-color: var(--color-border);
background: var(--color-background);
color: var(--color-text);
}
}
// Dark-mode toggle.
.theme-toggle {
background: transparent;
border: none;
font-size: 1rem;
color: var(--color-text);
padding: 0.25rem 0.5rem;
transition: color var(--transition-base);
line-height: 1;
&:hover {
color: var(--color-primary);
}
@include focus-ring;
}
// Show only the relevant icon.
body:not([data-theme='dark']) .theme-toggle__light-icon { display: none; }
[data-theme='dark'] .theme-toggle__dark-icon { display: none; }
// Back-to-top button.
.back-to-top {
position: fixed;
bottom: 2rem;
right: 2rem;
z-index: 200;
width: 3rem;
height: 3rem;
border-radius: 50%;
background-color: var(--color-primary);
color: #fff;
border: none;
font-size: 1.25rem;
display: flex;
align-items: center;
justify-content: center;
box-shadow: var(--card-shadow);
transition:
opacity var(--transition-base),
transform var(--transition-base),
box-shadow var(--transition-base);
opacity: 0;
transform: translateY(1rem);
pointer-events: none;
&.is-visible {
opacity: 1;
transform: translateY(0);
pointer-events: auto;
}
&:hover {
box-shadow: var(--card-shadow-hover);
}
@include focus-ring;
}
// Skip link.
.skip-link {
@include visually-hidden;
&:focus {
position: fixed;
top: var(--space-2);
left: var(--space-2);
z-index: 9999;
background: var(--color-primary);
color: #fff;
padding: var(--space-2) var(--space-3);
border-radius: 4px;
clip: auto;
height: auto;
width: auto;
font-weight: 700;
text-decoration: none;
}
}