* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: #333;
background-color: #f4f4f4;
}
h1,
h2,
h3,
h4,
h5,
h6 {
font-weight: 600;
margin-bottom: 1rem;
color: #2c3e50;
}
h1 {
font-size: 2rem;
margin-bottom: 1.5rem;
}
h2 {
padding-bottom: 0.75rem;
border-bottom: 3px solid #3498db;
color: #2c3e50;
font-weight: 700;
letter-spacing: -0.5px;
position: relative;
font-size: 1.75rem;
}
h2::after {
content: '';
position: absolute;
bottom: -3px;
left: 0;
width: 60px;
height: 3px;
background: linear-gradient(90deg, #3498db, #2980b9);
border-radius: 2px;
}
h3 {
font-size: 1.25rem;
margin-top: 1.5rem;
}
.standards-popular {
background: #ffffff;
border-radius: 8px;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
padding: 1.5rem;
margin-bottom: 2rem;
}
.list-content {
margin-bottom: 3rem;
padding: 2rem 1.5rem;
background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
border-radius: 12px;
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
border: 1px solid rgba(52, 152, 219, 0.1);
}
.list-content ul,
.list-content ol {
padding-left: 1rem;
}
.main-content.tongyong {
margin-bottom: 1rem;
}
.standards-popular h2 {
margin-bottom: 1.5rem;
font-size: 1.5rem;
color: #2c3e50;
border-bottom: 2px solid #f0f0f0;
padding-bottom: 0.5rem;
}
.standards-grid-2x4 {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 1rem;
margin-top: 1rem;
}
.standard-card-simple {
background: #f8f9fa;
border: 1px solid #e0e0e0;
border-radius: 6px;
padding: 1rem;
transition: all 0.3s ease;
cursor: pointer;
}
.standard-card-simple a {
text-decoration: none;
}
.standard-card-simple:hover {
transform: translateY(-2px);
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
border-color: #3498db;
background: #ffffff;
}
.standard-number {
font-size: 0.9rem;
font-weight: 700;
color: #3498db;
margin-bottom: 0.5rem;
letter-spacing: 0.5px;
}
.standard-name {
font-size: 0.85rem;
color: #495057;
line-height: 1.4;
font-weight: 500;
}
.pagination {
display: flex;
justify-content: center;
gap: 15px;
}
.pagination a {
padding: 0.5rem 0.9rem;
font-size: 0.875rem;
border-radius: 6px;
font-weight: 600;
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
border: none;
transition: all 0.3s ease;
box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
text-decoration: none;
}
.pagination a:hover {
transform: translateY(-2px);
box-shadow: 0 4px 8px rgba(52, 152, 219, 0.4);
}
@media (max-width: 1024px) {
.standards-grid-2x4 {
grid-template-columns: repeat(3, 1fr);
gap: 0.75rem;
}
}
@media (max-width: 480px) {
.standards-grid-2x4 {
grid-template-columns: 1fr;
gap: 0.5rem;
}
}
.customer-reviews {
background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
border-radius: 12px;
box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
padding: 2rem;
margin-bottom: 2rem;
border: 1px solid rgba(52, 152, 219, 0.15);
}
.customer-reviews h2 {
margin-bottom: 1.5rem;
color: #2c3e50;
font-size: 1.75rem;
font-weight: 700;
}
.reviews-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 1.5rem;
margin-bottom: 1.5rem;
}
.review-card {
background: #ffffff;
border-radius: 10px;
padding: 1.5rem;
box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
border: 1px solid rgba(52, 152, 219, 0.1);
transition: transform 0.3s ease, box-shadow 0.3s ease;
display: flex;
flex-direction: column;
}
.review-card:hover {
transform: translateY(-4px);
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}
.review-header {
display: flex;
align-items: center;
margin-bottom: 1rem;
gap: 1rem;
}
.customer-avatar {
width: 50px;
height: 50px;
border-radius: 50%;
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
font-size: 1.1rem;
flex-shrink: 0;
box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}
.customer-avatar img {
width: 50px;
object-fit: cover;
border-radius: 50%;
}
.customer-info {
flex: 1;
min-width: 0;
}
.customer-name {
font-weight: 600;
color: #2c3e50;
margin-bottom: 0.25rem;
font-size: 0.95rem;
}
.customer-role {
color: #7f8c8d;
font-size: 0.8rem;
font-style: italic;
}
.review-rating {
display: flex;
gap: 0.25rem;
}
.star {
color: #f39c12;
font-size: 1rem;
}
.review-content {
margin-bottom: 1rem;
flex: 1;
}
.review-content p {
font-size: 0.95rem;
line-height: 1.6;
color: #333;
font-style: italic;
margin: 0;
}
.review-meta {
display: flex;
justify-content: space-between;
align-items: center;
font-size: 0.8rem;
color: #95a5a6;
}
.review-date {
font-weight: 500;
}
.review-category {
background: rgba(52, 152, 219, 0.1);
color: #3498db;
padding: 0.25rem 0.5rem;
border-radius: 4px;
font-size: 0.75rem;
font-weight: 500;
}
p {
margin-bottom: 1rem;
font-size: 1.125rem;
}
li {
font-size: 1rem;
}
strong {
color: #284460;
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
}
header {
background-color: #2c3e50;
color: #fff;
padding: 1rem 0;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.header-content {
display: flex;
justify-content: space-between;
align-items: center;
gap: 2rem;
}
.header-right {
display: flex;
align-items: center;
gap: 1.5rem;
}
.menu-btn {
display: none;
background: transparent;
border: none;
color: #fff;
cursor: pointer;
padding: 0.5rem;
border-radius: 4px;
transition: background-color 0.3s ease;
order: 3;
}
.menu-btn:hover {
background-color: rgba(255, 255, 255, 0.1);
}
.search-toggle {
position: relative;
}
.search-icon {
background: transparent;
border: none;
color: #fff;
cursor: pointer;
padding: 0.5rem;
border-radius: 4px;
transition: background-color 0.3s ease;
display: flex;
align-items: center;
justify-content: center;
}
.search-icon:hover {
background-color: rgba(255, 255, 255, 0.1);
}
.search-dropdown {
position: absolute;
top: 100%;
right: 0;
margin-top: 0.5rem;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
padding: 1rem;
min-width: 350px;
z-index: 1000;
opacity: 0;
visibility: hidden;
transform: translateY(-10px);
transition: all 0.3s ease;
}
.search-dropdown.active {
opacity: 1;
visibility: visible;
transform: translateY(0);
}
#header-search-input {
width: 100%;
padding: 0.75rem 1rem;
border: 2px solid #dee2e6;
border-radius: 8px;
font-size: 0.9rem;
transition: all 0.3s ease;
}
#header-search-input:focus {
outline: none;
border-color: #3498db;
box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}
.language-selector {
position: relative;
}
.language-btn {
background: transparent;
border: 1px solid rgba(255, 255, 255, 0.3);
color: #fff;
cursor: pointer;
padding: 0.5rem 1rem;
border-radius: 6px;
display: flex;
align-items: center;
gap: 0.5rem;
transition: all 0.3s ease;
font-weight: 600;
}
.language-btn:hover {
background-color: rgba(255, 255, 255, 0.1);
border-color: rgba(255, 255, 255, 0.5);
}
.language-label {
font-size: 0.875rem;
}
.language-btn svg {
transition: transform 0.3s ease;
}
.language-btn:hover svg {
transform: rotate(180deg);
}
.language-dropdown {
position: absolute;
top: 100%;
right: 0;
margin-top: 0.5rem;
background-color: #fff;
border-radius: 8px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
padding: 0.5rem;
min-width: 180px;
z-index: 1000;
opacity: 0;
visibility: hidden;
transform: translateY(-10px);
transition: all 0.3s ease;
}
.language-dropdown.active {
opacity: 1;
visibility: visible;
transform: translateY(0);
}
.language-item {
display: block;
padding: 0.75rem 1rem;
color: #333;
text-decoration: none;
border-radius: 6px;
transition: background-color 0.3s ease;
font-size: 0.9rem;
}
.language-item:hover {
background-color: #f8f9fa;
}
.language-item.active {
background-color: #e3f2fd;
color: #1976d2;
font-weight: 600;
}
.logo {
font-size: 1.5rem;
font-weight: 700;
color: #fff;
text-decoration: none;
display: flex;
gap: 8px;
justify-content: center;
align-items: center;
}
.logo img {
width: 40px;
height: 40px;
border-radius: 5px;
}
nav {
background-color: #34495e;
padding: 0.75rem 0;
position: relative;
}
.nav-links {
display: flex;
list-style: none;
gap: 2rem;
}
.nav-links a {
color: #fff;
text-decoration: none;
padding: 0.5rem 0;
border-bottom: 2px solid transparent;
transition: border-color 0.3s ease;
}
.nav-links a:hover {
border-bottom-color: #3498db;
}
main {
padding: 3rem 0;
background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
min-height: calc(100vh - 300px);
}
.search-section {
margin-bottom: 3rem;
padding: 2rem;
background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
border-radius: 12px;
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
border: 1px solid rgba(52, 152, 219, 0.1);
}
.search-form {
display: flex;
gap: 0.5rem;
align-items: center;
flex-wrap: nowrap;
}
.search-form input[type="text"] {
flex: 1;
min-width: 0;
padding: 0.75rem 1rem;
border: 2px solid #dee2e6;
border-radius: 8px;
font-size: 0.9rem;
transition: all 0.3s ease;
background-color: #fff;
}
.search-form input[type="text"]:focus {
outline: none;
border-color: #3498db;
box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
transform: translateY(-1px);
}
.main-content {
text-align: center;
margin-bottom: 3rem;
padding: 2rem 1.5rem;
background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
border-radius: 12px;
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
border: 1px solid rgba(52, 152, 219, 0.1);
}
.main-content h1 {
font-size: 2.5rem;
margin-bottom: 1.5rem;
color: #2c3e50;
font-weight: 700;
letter-spacing: -1px;
}
.main-content p {
line-height: 1.8;
color: #666;
max-width: 1000px;
margin: 0 auto;
}
.standards-intro,
.categories-section,
.purchase-process-section,
.where-to-buy-section {
background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
padding: 1.5rem;
margin-bottom: 1.5rem;
border: 1px solid rgba(52, 152, 219, 0.1);
}
.where-to-buy-section h2 {
color: #2c3e50;
font-size: 1.75rem;
margin-bottom: 1rem;
font-weight: 700;
}
.where-to-buy-section p {
color: #666;
margin-bottom: 1.5rem;
line-height: 1.6;
}
.purchase-options {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 1.5rem;
margin-bottom: 2rem;
}
.purchase-option-card {
background: #ffffff;
border-radius: 8px;
padding: 1.5rem;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
border: 1px solid rgba(52, 152, 219, 0.1);
transition: all 0.3s ease;
}
.purchase-option-card:hover {
transform: translateY(-4px);
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
border-color: rgba(52, 152, 219, 0.2);
}
.option-icon {
font-size: 2.5rem;
margin-bottom: 1rem;
display: block;
}
.option-icon img {
width: 60px;
object-fit: contain;
}
.purchase-option-card h3 {
color: #2c3e50;
font-size: 1.25rem;
margin-bottom: 0.75rem;
font-weight: 600;
margin-top: unset;
}
.purchase-option-card p {
color: #666;
margin-bottom: 1rem;
line-height: 1.6;
}
.option-features {
list-style: none;
padding-left: 0;
margin: 0;
}
.option-features li {
padding: 0.5rem 0;
padding-left: 1.5rem;
position: relative;
color: #555;
font-size: 0.95rem;
}
.option-features li::before {
content: "✓";
position: absolute;
left: 0;
top: 0.5rem;
color: #27ae60;
font-weight: bold;
font-size: 0.9rem;
display: flex;
align-items: center;
justify-content: center;
width: 18px;
height: 18px;
background-color: #e8f5e9;
border-radius: 50%;
}
.payment-info {
background: #f8f9fa;
border-radius: 8px;
padding: 1.5rem;
margin-top: 2rem;
}
.payment-info h3 {
color: #2c3e50;
font-size: 1.25rem;
margin-bottom: 0.75rem;
font-weight: 600;
}
.payment-methods {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 1rem;
margin-top: 1rem;
}
.payment-method {
display: flex;
align-items: center;
padding: 1rem;
background: #ffffff;
border-radius: 6px;
box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
transition: all 0.3s ease;
}
.payment-method:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.payment-logo {
font-weight: 700;
color: #3498db;
font-size: 1.1rem;
margin-right: 0.75rem;
}
.payment-text {
color: #555;
font-size: 0.95rem;
}
.faq-section {
background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
padding: 1.5rem;
margin-bottom: 1.5rem;
border: 1px solid rgba(52, 152, 219, 0.1);
}
.faq-section h2 {
color: #2c3e50;
font-size: 1.75rem;
margin-bottom: 1.5rem;
font-weight: 700;
}
.faq-container {
margin: 0 auto;
}
.faq-item {
background: #ffffff;
border-radius: 8px;
margin-bottom: 1rem;
overflow: hidden;
box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
border: 1px solid rgba(52, 152, 219, 0.1);
transition: all 0.3s ease;
}
.faq-item:hover {
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
border-color: rgba(52, 152, 219, 0.2);
}
.faq-question {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1.25rem 1.5rem;
cursor: pointer;
background: #f8f9fa;
transition: all 0.3s ease;
}
.faq-question:hover {
background: #e9ecef;
}
.faq-question span:first-child {
font-weight: 600;
color: #2c3e50;
font-size: 1rem;
line-height: 1.4;
}
.faq-toggle {
font-size: 1.5rem;
font-weight: 700;
color: #3498db;
transition: transform 0.3s ease;
width: 24px;
height: 24px;
display: flex;
align-items: center;
justify-content: center;
}
.faq-item.active .faq-toggle {
transform: rotate(45deg);
}
.faq-answer {
max-height: 0;
overflow: hidden;
transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
max-height: 500px;
}
.faq-answer p {
color: #666;
line-height: 1.6;
font-size: 1rem;
padding: 1.5rem;
transition: max-height 0.4s ease, padding 0.4s ease;
}
@media (max-width: 768px) {
.faq-section {
padding: 1rem;
}
.faq-section h2 {
font-size: 1.5rem;
}
.faq-question {
padding: 1rem 1.25rem;
}
.faq-question span:first-child {
font-size: 0.95rem;
}
}
@media (max-width: 480px) {
.faq-section {
padding: 0.75rem;
}
.faq-section h2 {
font-size: 1.25rem;
}
.faq-question {
padding: 0.75rem 1rem;
}
.faq-question span:first-child {
font-size: 0.9rem;
}
.faq-answer p {
font-size: 0.9rem;
}
}
@media (max-width: 768px) {
.where-to-buy-section {
padding: 1rem;
}
.where-to-buy-section h2 {
font-size: 1.5rem;
}
.purchase-options {
grid-template-columns: 1fr;
gap: 1rem;
}
.purchase-option-card {
padding: 1rem;
}
.option-icon {
font-size: 2rem;
}
.payment-methods {
grid-template-columns: 1fr;
}
}
@media (max-width: 480px) {
.where-to-buy-section {
padding: 0.75rem;
}
.where-to-buy-section h2 {
font-size: 1.25rem;
}
.purchase-option-card {
padding: 0.75rem;
}
.option-features li {
font-size: 0.9rem;
padding-left: 1.25rem;
}
}
.categories-section h2,
.purchase-process-section h2 {
color: #2c3e50;
font-size: 1.75rem;
margin-bottom: 1rem;
font-weight: 700;
}
.categories-section p,
.purchase-process-section p {
color: #666;
margin-bottom: 1.5rem;
line-height: 1.6;
}
.standards-list {
list-style: none;
padding-left: 0;
margin: 1rem 0;
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 1rem;
}
.standards-list-item {
padding: 0.875rem;
background-color: #ffffff;
border-radius: 6px;
box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
transition: all 0.2s ease;
border-left: 5px solid #3498db;
line-height: 1.4;
}
.standards-list-item:hover {
transform: translateY(-2px);
box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
border-left-color: #2980b9;
}
.standards-list-item strong {
color: #2c3e50;
font-weight: 700;
display: block;
margin-bottom: 0.125rem;
font-size: 0.95rem;
position: relative;
padding-left: 1.5rem;
}
.standards-list-item strong::before {
content: "✓";
position: absolute;
left: 0px;
top: 0px;
color: rgb(39, 174, 96);
font-weight: bold;
font-size: 0.9rem;
display: flex;
align-items: center;
justify-content: center;
width: 18px;
height: 18px;
background-color: rgb(232, 245, 233);
border-radius: 50%;
}
.categories-list {
list-style: none;
padding-left: 0;
margin: 0;
display: grid;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: 0.75rem;
}
.category-item {
margin: 0;
}
.category-link {
display: flex;
align-items: center;
padding: 1rem;
background-color: #ffffff;
border-radius: 6px;
box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
transition: all 0.3s ease;
text-decoration: none;
color: #333;
border-left: 5px solid #3498db;
overflow: hidden;
position: relative;
}
.category-link:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
border-left-color: #2980b9;
background-color: #f8f9fa;
}
.category-icon {
font-size: 1.25rem;
margin-right: 0.75rem;
width: 32px;
height: 32px;
display: flex;
align-items: center;
justify-content: center;
background: linear-gradient(135deg, #3498db, #2980b9);
color: #ffffff;
border-radius: 50%;
flex-shrink: 0;
}
.category-icon img {
width: 22px;
object-fit: contain;
}
.category-text {
flex: 1;
line-height: 1.4;
font-weight: 500;
}
.purchase-process-list {
list-style: none;
padding-left: 0;
margin: 1.5rem 0;
counter-reset: step-counter;
}
.purchase-process-item {
display: flex;
align-items: flex-start;
margin-bottom: 1rem;
position: relative;
padding-left: 3.5rem;
}
.step-number {
position: absolute;
left: 0;
top: 0;
width: 32px;
height: 32px;
background: linear-gradient(135deg, #3498db, #2980b9);
color: #ffffff;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-weight: 700;
font-size: 0.875rem;
flex-shrink: 0;
}
.step-text {
flex: 1;
line-height: 1.6;
color: #333;
}
.custom-request a {
color: #3498db;
text-decoration: none;
font-weight: 600;
transition: color 0.3s ease;
}
.custom-request a:hover {
color: #2980b9;
text-decoration: underline;
}
.btn {
display: inline-block;
padding: 0.75rem 1.5rem;
border: none;
border-radius: 4px;
font-size: 1rem;
font-weight: 600;
text-align: center;
text-decoration: none;
cursor: pointer;
transition: all 0.3s ease;
}
.btn-primary {
background: linear-gradient(135deg, #3498db, #2980b9);
color: #fff;
border: none;
box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
transition: all 0.3s ease;
font-weight: 600;
white-space: nowrap;
}
.btn-primary:hover {
background: linear-gradient(135deg, #2980b9, #1f6dad);
transform: translateY(-3px);
box-shadow: 0 6px 16px rgba(52, 152, 219, 0.4);
}
footer {
background-color: #2c3e50;
color: #fff;
padding: 2rem 0;
margin-top: 2rem;
}
.footer-content {
text-align: center;
margin-bottom: 1rem;
}
.footer-links {
list-style: none;
display: flex;
justify-content: center;
gap: 2rem;
flex-wrap: wrap;
}
.footer-links li a {
color: #bdc3c7;
text-decoration: none;
transition: color 0.3s ease;
font-size: 0.9rem;
}
.footer-links li a:hover {
color: #fff;
}
.footer-bottom {
text-align: center;
padding-top: 1rem;
border-top: 1px solid #34495e;
color: #bdc3c7;
font-size: 0.875rem;
}
.standards-grid {
display: grid;
grid-template-columns: 1fr;
gap: 2rem;
margin: 2.5rem 0;
}
.standard-card {
background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
border-radius: 12px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
overflow: hidden;
transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
border: 1px solid rgba(52, 152, 219, 0.1);
position: relative;
display: flex;
flex-direction: column;
height: 100%;
}
.standard-card::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 4px;
background: linear-gradient(90deg, #3498db, #2980b9);
transform: scaleX(0);
transition: transform 0.4s ease;
}
.standard-card:hover {
transform: translateY(-8px);
box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}
.standard-card:hover::before {
transform: scaleX(1);
}
.standard-card-header {
background: linear-gradient(135deg, #e4f2ff 0%, #e9ecef 100%);
padding: 1.5rem;
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 0.75rem;
border-bottom: 1px solid rgba(52, 152, 219, 0.1);
}
.standard-card-header h3 {
margin: 0;
font-size: 1.125rem;
color: #2c3e50;
font-weight: 700;
letter-spacing: -0.5px;
}
.category-tag {
display: inline-block;
padding: 0.375rem 0.875rem;
border-radius: 20px;
font-size: 0.75rem;
font-weight: 700;
text-transform: uppercase;
background: linear-gradient(135deg, #84caf9, #2f84bb);
color: #fff;
box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
transition: all 0.3s ease;
}
.standard-card:hover .category-tag {
transform: scale(1.05);
box-shadow: 0 4px 8px rgba(52, 152, 219, 0.4);
}
.standard-card-body {
padding: 1.5rem;
flex: 1;
display: flex;
flex-direction: column;
}
.standard-title {
font-weight: 600;
margin-bottom: 0.75rem;
color: #2c3e50;
font-size: 1rem;
line-height: 1.4;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}
.standard-meta {
font-size: 0.875rem;
color: #666;
margin-bottom: 1rem;
line-height: 1.5;
display: flex;
gap: 0.5rem;
align-items: flex-start;
flex-wrap: wrap;
justify-content: space-around;
background: linear-gradient(135deg, #eaeaea 0%, #dbedff 100%);
padding: 0.5rem;
border-radius: 10px;
}
.meta-item {
display: flex;
flex-direction: column;
gap: 0.25rem;
padding: 0.25rem 0;
min-width: 80px;
}
.meta-label {
font-weight: 600;
color: #7f8c8d;
font-size: 0.75rem;
text-transform: uppercase;
letter-spacing: 0.5px;
background-color: #f1f3f5;
padding: 0.125rem 0.5rem;
border-radius: 4px;
white-space: nowrap;
width: fit-content;
}
.meta-value {
color: #666;
font-weight: 500;
font-size: 0.9rem;
text-align: center;
}
.standard-type {
display: flex;
gap: 0.5rem;
padding: 0.25rem 0;
min-width: 80px;
}
.standard-type span {
padding: 0.125rem 0.5rem;
border-radius: 4px;
font-size: 0.75rem;
font-weight: 600;
text-transform: uppercase;
}
.standard-type span:first-child {
background-color: #d4edda;
color: #155724;
}
.standard-type span:last-child {
background-color: #fff3cd;
color: #856404;
}
.standard-card-footer {
padding: 1.5rem;
border-top: 1px solid rgba(52, 152, 219, 0.1);
text-align: right;
}
.btn-sm {
padding: 0.5rem 1.25rem;
font-size: 0.875rem;
border-radius: 6px;
font-weight: 600;
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
border: none;
transition: all 0.3s ease;
box-shadow: 0 2px 4px rgba(52, 152, 219, 0.3);
width: 100%;
}
.btn-sm:hover {
transform: translateY(-2px);
box-shadow: 0 4px 8px rgba(52, 152, 219, 0.4);
background: linear-gradient(135deg, #2980b9, #1f6dad);
}
@media (min-width: 768px) {
.standards-grid {
grid-template-columns: repeat(2, 1fr);
}
}
@media (min-width: 992px) {
.standards-grid {
grid-template-columns: repeat(3, 1fr);
}
}
@media (max-width: 768px) {
p {
font-size: 1rem;
}
li {
font-size: 0.9rem;
}
h1 {
font-size: 1.75rem;
}
h2 {
font-size: 1.5rem;
}
.menu-btn {
display: block;
}
.logo {
font-size: 1.35rem;
}
.nav-links {
display: none;
position: absolute;
top: 100%;
left: 0;
right: 0;
background-color: #34495e;
padding: 1rem;
flex-direction: column;
gap: 0.5rem;
border-top: 1px solid rgba(255, 255, 255, 0.1);
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
.nav-links.active {
display: flex;
}
.nav-links li {
width: 100%;
}
.nav-links a {
display: block;
padding: 0.75rem 1rem;
border-bottom: none;
border-radius: 4px;
}
.nav-links a:hover {
background-color: rgba(255, 255, 255, 0.1);
border-bottom-color: transparent;
}
.header-right {
flex-direction: row;
gap: 0.5rem;
}
.search-dropdown {
min-width: 280px;
right: -180px;
left: auto;
max-width: calc(100vw - 40px);
}
.search-dropdown .search-form {
flex-direction: column;
gap: 0.5rem;
}
.search-dropdown .search-form input[type="text"] {
width: 100%;
min-width: 0;
}
.search-dropdown .search-form .btn-primary {
width: 100%;
}
.language-dropdown {
min-width: 160px;
right: -40px;
left: auto;
max-width: calc(100vw - 40px);
}
.standards-list,
.categories-list,
.reviews-grid {
grid-template-columns: 1fr;
}
.purchase-process-item {
padding-left: 3rem;
}
.step-number {
width: 28px;
height: 28px;
font-size: 0.75rem;
}
.customer-reviews {
padding: 1.5rem;
}
.customer-reviews h2 {
font-size: 1.5rem;
}
.review-card {
padding: 1.25rem;
}
.review-header {
flex-direction: column;
align-items: flex-start;
gap: 0.75rem;
}
.customer-avatar {
width: 45px;
height: 45px;
font-size: 1rem;
}
.customer-name {
font-size: 0.9rem;
}
.customer-role {
font-size: 0.75rem;
}
.star {
font-size: 0.9rem;
}
.review-content p {
font-size: 0.9rem;
}
.review-category {
align-self: flex-end;
}
.header-content {
flex-direction: column;
gap: 1rem;
text-align: center;
}
.main-content h1 {
font-size: 1.75rem;
}
.search-section {
margin-bottom: 2rem;
padding: 2rem 1.5rem;
}
.nav-links {
flex-direction: column;
gap: 0.5rem;
text-align: center;
}
main {
padding: 1rem 0;
}
.standards-popular {
padding: 1rem;
}
.standards-popular h2 {
font-size: 1.25rem;
}
.standards-grid-2x4 {
grid-template-columns: repeat(2, 1fr);
gap: 0.75rem;
}
.standard-card-simple {
padding: 0.75rem;
}
.standard-number {
font-size: 0.85rem;
}
.standard-name {
font-size: 0.8rem;
}
}
@media (max-width: 576px) {
.container {
padding: 0 15px;
}
.standard-meta {
padding: 1rem;
}
.standards-intro,
.categories-section,
.purchase-process-section {
padding: 1rem;
}
.category-link {
padding: 0.875rem;
}
.category-icon {
font-size: 1rem;
width: 28px;
height: 28px;
}
.purchase-process-item {
padding-left: 2.75rem;
}
.step-number {
width: 24px;
height: 24px;
font-size: 0.7rem;
}
.footer-links {
flex-wrap: wrap;
gap: 0.75rem;
}
.customer-reviews {
padding: 1rem;
}
.customer-reviews h2 {
font-size: 1.25rem;
}
.review-card {
padding: 1rem;
}
.customer-avatar {
width: 40px;
height: 40px;
font-size: 0.9rem;
}
.customer-name {
font-size: 0.85rem;
}
.customer-role {
font-size: 0.7rem;
}
.star {
font-size: 0.8rem;
}
.review-content p {
font-size: 0.85rem;
}
}