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/* =====================================================================
CLS Category Article Design — PREMIUM (Upgraded)
Theme & class names unchanged. Only refinements applied:
- Modern font stack + weight contrast + font smoothing
- Readable prose width (left-aligned, edges match cards)
- Two-layer shadows, smoother easing, fixed double top-line
- Calmer inline links
- Added img/figure, blockquote, table, code styles
- Tablet (2-col) breakpoint + :focus-visible
===================================================================== */
/* Premium font — load via instead of CSS @import (avoids render-blocking):
If Inter isn't loaded, the font stack below falls back to system fonts cleanly. */
.cls-cat-article,
.cls-cat-article * {
box-sizing: border-box;
}
.cls-cat-article {
--cls-dark: #07131c;
--cls-dark-soft: #0d1b26;
--cls-text: #233040;
--cls-heading: #0b1720;
--cls-muted: #5b6775;
--cls-border: #dfe7ee;
--cls-border-soft: #edf3f7;
--cls-bg: #ffffff;
--cls-bg-soft: #f6fbfe;
--cls-bg-blue: #eefaff;
--cls-cyan: #00a9c8;
--cls-cyan-dark: #0088a5;
--cls-green: #39a935;
--cls-green-dark: #2f8f2c;
/* Premium two-layer shadows */
--cls-shadow: 0 1px 2px rgba(7, 19, 28, 0.04), 0 12px 30px rgba(7, 19, 28, 0.07);
--cls-shadow-soft: 0 1px 2px rgba(7, 19, 28, 0.035), 0 6px 18px rgba(7, 19, 28, 0.05);
/* Smooth, intentional motion */
--cls-ease: cubic-bezier(0.22, 1, 0.36, 1);
/* Comfortable reading measure for prose */
--cls-measure: 80ch;
width: min(100% - 32px, 1580px);
margin: 38px auto;
padding: 0;
color: var(--cls-text);
font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
font-size: 16px;
line-height: 1.72;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
text-rendering: optimizeLegibility;
clear: both;
}
/* Headings — weight contrast instead of all-800 */
.cls-cat-article h1,
.cls-cat-article h2,
.cls-cat-article h3,
.cls-cat-article h4 {
color: var(--cls-heading);
letter-spacing: -0.02em;
text-wrap: balance;
}
.cls-cat-article h1 {
font-size: 36px !important;
line-height: 1.18;
margin: 0 0 18px;
font-weight: 700;
letter-spacing: -0.03em;
}
.cls-cat-article h2 {
position: relative;
font-size: 28px !important;
line-height: 1.3;
margin: 0 0 16px;
padding-bottom: 12px;
font-weight: 700;
}
.cls-cat-article h2::after {
content: "";
position: absolute;
left: 0;
bottom: 0;
width: 76px;
height: 3px;
border-radius: 999px;
background: linear-gradient(90deg, var(--cls-cyan), var(--cls-green));
}
.cls-cat-article h3 {
font-size: 18px !important;
line-height: 1.4;
margin: 0 0 10px;
color: var(--cls-heading);
font-weight: 600;
}
/* Prose — constrained measure, left-aligned so edges match cards */
.cls-cat-article p {
font-size: 16px;
margin: 0 0 16px;
max-width: var(--cls-measure);
color: var(--cls-text);
}
/* Reset measure inside any boxed/card context (those are already narrow) */
.cls-card p,
.cls-small-card p,
.cls-why-box p,
.cls-why-item p,
.cls-dark-card p,
.cls-link-box p {
max-width: none;
}
/* Premium internal links — calmer, single-accent underline animation */
.cls-cat-article a {
color: var(--cls-cyan-dark);
font-weight: 600;
text-decoration: none;
border-bottom: 1px solid rgba(0, 169, 200, 0.32);
transition: color 0.22s var(--cls-ease), border-color 0.22s var(--cls-ease);
}
.cls-cat-article a:hover {
color: var(--cls-cyan);
border-bottom-color: var(--cls-cyan);
text-decoration: none;
}
.cls-cat-article a:focus-visible {
outline: 2px solid var(--cls-cyan);
outline-offset: 3px;
border-radius: 3px;
}
.cls-green {
color: var(--cls-green);
}
.cls-section {
margin-top: 42px;
}
.cls-cat-article .cls-section:first-child {
margin-top: 0;
}
/* Media — was missing entirely */
.cls-cat-article img {
max-width: 100%;
height: auto;
display: block;
border-radius: 16px;
}
.cls-cat-article figure {
margin: 24px 0;
max-width: var(--cls-measure);
}
.cls-cat-article figcaption {
margin-top: 10px;
font-size: 13.5px;
color: var(--cls-muted);
text-align: center;
}
/* Blockquote — was missing */
.cls-cat-article blockquote {
position: relative;
margin: 24px 0;
max-width: var(--cls-measure);
padding: 18px 24px;
border-radius: 0 14px 14px 0;
background: linear-gradient(135deg, rgba(0, 169, 200, 0.06), rgba(57, 169, 53, 0.05)), #ffffff;
color: var(--cls-heading);
font-size: 17px;
font-style: italic;
line-height: 1.6;
}
.cls-cat-article blockquote::before {
content: "";
position: absolute;
left: 0;
top: 0;
bottom: 0;
width: 4px;
border-radius: 999px;
background: linear-gradient(180deg, var(--cls-cyan), var(--cls-green));
}
.cls-cat-article blockquote p:last-child {
margin-bottom: 0;
}
/* Inline code + pre — was missing */
.cls-cat-article code {
font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
font-size: 0.9em;
background: var(--cls-bg-blue);
border: 1px solid var(--cls-border-soft);
border-radius: 6px;
padding: 2px 6px;
color: var(--cls-cyan-dark);
}
/* Table — common for spec comparisons, was missing */
.cls-cat-article table {
width: 100%;
border-collapse: separate;
border-spacing: 0;
margin: 22px 0;
font-size: 14.5px;
border: 1px solid var(--cls-border-soft);
border-radius: 14px;
overflow: hidden;
box-shadow: var(--cls-shadow-soft);
}
.cls-cat-article thead th {
background: linear-gradient(135deg, rgba(0, 169, 200, 0.1), rgba(57, 169, 53, 0.08));
color: var(--cls-heading);
font-weight: 700;
text-align: left;
padding: 13px 16px;
letter-spacing: 0.01em;
}
.cls-cat-article tbody td {
padding: 12px 16px;
border-top: 1px solid var(--cls-border-soft);
color: var(--cls-text);
}
.cls-cat-article tbody tr:nth-child(even) {
background: var(--cls-bg-soft);
}
/* Grid */
.cls-grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: 20px;
margin-top: 20px;
}
.cls-grid-3 {
display: grid;
grid-template-columns: repeat(3, minmax(0, 1fr));
gap: 18px;
margin-top: 20px;
}
/* Cards */
.cls-card {
position: relative;
overflow: hidden;
background: var(--cls-bg);
border: 1px solid var(--cls-border-soft);
border-radius: 18px;
padding: 24px;
box-shadow: var(--cls-shadow-soft);
transition: transform 0.28s var(--cls-ease), box-shadow 0.28s var(--cls-ease), border-color 0.28s var(--cls-ease);
}
.cls-card:hover {
transform: translateY(-4px);
border-color: rgba(0, 169, 200, 0.28);
box-shadow: var(--cls-shadow);
}
/* Fixed: single gradient top bar instead of overlapping border + ::before */
.cls-card-top {
padding-top: 26px;
}
.cls-card-top::before {
content: "";
position: absolute;
inset: 0 0 auto 0;
height: 4px;
background: linear-gradient(90deg, var(--cls-cyan), var(--cls-green));
}
/* Label / Badge */
.cls-label {
display: inline-flex;
align-items: center;
gap: 6px;
background: linear-gradient(135deg, rgba(0, 169, 200, 0.12), rgba(57, 169, 53, 0.12));
color: var(--cls-cyan-dark);
border: 1px solid rgba(0, 169, 200, 0.18);
font-size: 11.5px;
font-weight: 700;
padding: 6px 11px;
border-radius: 999px;
margin-bottom: 13px;
text-transform: uppercase;
letter-spacing: 0.4px;
}
/* Small cards */
.cls-small-card {
border: 1px solid var(--cls-border-soft);
border-radius: 15px;
padding: 18px;
background: linear-gradient(180deg, #ffffff 0%, #f9fdff 100%);
font-size: 14.5px;
color: var(--cls-text);
box-shadow: var(--cls-shadow-soft);
transition: transform 0.28s var(--cls-ease), border-color 0.28s var(--cls-ease), box-shadow 0.28s var(--cls-ease);
}
.cls-small-card:hover {
transform: translateY(-3px);
border-color: rgba(57, 169, 53, 0.28);
box-shadow: var(--cls-shadow);
}
.cls-small-card strong {
display: block;
color: var(--cls-heading);
margin-bottom: 7px;
font-weight: 700;
}
/* Lists */
.cls-list {
margin: 14px 0 0;
padding-left: 0;
list-style: none;
max-width: var(--cls-measure);
}
.cls-list li {
position: relative;
margin-bottom: 10px;
padding-left: 22px;
font-size: 16px;
color: var(--cls-text);
}
.cls-list li::before {
content: "";
position: absolute;
left: 0;
top: 11px;
width: 8px;
height: 8px;
border-radius: 50%;
background: linear-gradient(135deg, var(--cls-cyan), var(--cls-green));
}
/* Link box */
.cls-link-box {
margin-top: 16px;
}
.cls-link-box a {
display: flex;
align-items: center;
justify-content: space-between;
gap: 12px;
border: 1px solid var(--cls-border-soft);
border-radius: 12px;
padding: 12px 15px;
margin-top: 9px;
font-size: 14.5px;
font-weight: 600;
color: var(--cls-heading);
background: #ffffff;
box-shadow: var(--cls-shadow-soft);
transition: border-color 0.22s var(--cls-ease), color 0.22s var(--cls-ease), background-color 0.22s var(--cls-ease), transform 0.22s var(--cls-ease);
}
.cls-link-box a::after {
content: "→";
color: var(--cls-cyan);
font-weight: 800;
transition: transform 0.22s var(--cls-ease), color 0.22s var(--cls-ease);
}
.cls-link-box a:hover {
border-color: rgba(0, 169, 200, 0.38);
color: var(--cls-cyan-dark);
background: var(--cls-bg-blue);
text-decoration: none;
}
.cls-link-box a:hover::after {
transform: translateX(4px);
color: var(--cls-green);
}
/* Dark premium card */
.cls-dark-card {
background:
radial-gradient(circle at top right, rgba(0, 169, 200, 0.22), transparent 34%),
linear-gradient(135deg, var(--cls-dark) 0%, var(--cls-dark-soft) 100%);
border-color: rgba(255, 255, 255, 0.08);
color: #eef4f8;
}
.cls-dark-card h3,
.cls-dark-card p {
color: #ffffff;
}
.cls-dark-card .cls-label {
background: rgba(255, 255, 255, 0.08);
color: #ffffff;
border-color: rgba(255, 255, 255, 0.18);
}
/* Why / highlight box */
.cls-why-box {
border: 1px solid rgba(0, 169, 200, 0.18);
border-radius: 20px;
padding: 26px;
background:
linear-gradient(135deg, rgba(0, 169, 200, 0.08), rgba(57, 169, 53, 0.06)),
#ffffff;
margin-top: 20px;
box-shadow: var(--cls-shadow-soft);
}
.cls-why-item {
display: flex;
gap: 15px;
align-items: flex-start;
border: 1px solid var(--cls-border-soft);
border-radius: 15px;
padding: 18px;
background: rgba(255, 255, 255, 0.92);
box-shadow: var(--cls-shadow-soft);
transition: transform 0.28s var(--cls-ease), border-color 0.28s var(--cls-ease), box-shadow 0.28s var(--cls-ease);
}
.cls-why-item:hover {
transform: translateY(-3px);
border-color: rgba(0, 169, 200, 0.28);
box-shadow: var(--cls-shadow);
}
.cls-number {
min-width: 34px;
height: 34px;
border-radius: 10px;
background: linear-gradient(135deg, var(--cls-cyan), var(--cls-green));
color: #ffffff;
display: flex;
align-items: center;
justify-content: center;
font-weight: 800;
font-size: 13px;
box-shadow: 0 6px 14px rgba(0, 169, 200, 0.22);
}
.cls-why-item h3 {
font-size: 16px !important;
margin-bottom: 6px;
}
.cls-why-item p {
margin-bottom: 0;
font-size: 14.5px;
color: var(--cls-muted);
}
/* Reduced motion accessibility — disable transitions AND hover movement */
@media (prefers-reduced-motion: reduce) {
.cls-cat-article * {
transition: none !important;
scroll-behavior: auto !important;
}
.cls-card:hover,
.cls-small-card:hover,
.cls-why-item:hover,
.cls-link-box a:hover {
transform: none !important;
}
.cls-link-box a:hover::after {
transform: none !important;
}
}
/* ===================== Responsive ===================== */
/* Tablet — keep a 2-column step before collapsing (was missing) */
@media (max-width: 1024px) {
.cls-grid,
.cls-grid-3 {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
.cls-cat-article {
width: min(100% - 24px, 1580px);
margin: 30px auto;
}
.cls-cat-article h1 {
font-size: 34px !important;
}
.cls-cat-article h2 {
font-size: 25px !important;
}
}
/* Phone */
@media (max-width: 680px) {
.cls-grid,
.cls-grid-3 {
grid-template-columns: 1fr;
}
.cls-cat-article {
width: min(100% - 18px, 1580px);
margin: 24px auto;
line-height: 1.66;
}
.cls-cat-article h1 {
font-size: 28px !important;
}
.cls-cat-article h2 {
font-size: 22px !important;
}
.cls-cat-article h3 {
font-size: 17px !important;
}
.cls-card,
.cls-small-card,
.cls-why-box,
.cls-why-item {
padding: 17px;
border-radius: 14px;
}
.cls-link-box a {
align-items: flex-start;
}
/* Prevent wide spec/comparison tables from overflowing on phones */
.cls-cat-article table {
display: block;
overflow-x: auto;
white-space: nowrap;
-webkit-overflow-scrolling: touch;
}
}
Single Product