:root {
--primary: #c0392b;
--primary-light: #e74c3c;
--secondary: #e67e22;
--secondary-light: #f39c12;
--accent: #2c3e50;
--dark: #1a1a2e;
--darker: #16213e;
--light: #ecf0f1;
--white: #ffffff;
--gray: #7f8c8d;
--gray-light: #bdc3c7;
--success: #27ae60;
--info: #2980b9;
--gradient-main: linear-gradient(135deg, #c0392b 0%, #e67e22 100%);
--gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #2c3e50 100%);
--shadow: 0 4px 15px rgba(0,0,0,0.1);
--shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
--radius: 12px;
--radius-sm: 8px;
--transition: all 0.3s ease;
--font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
}
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html {
scroll-behavior: smooth;
font-size: 16px;
}
body {
font-family: var(--font-main);
color: #333;
background: #fafafa;
line-height: 1.8;
overflow-x: hidden;
}
a {
color: inherit;
text-decoration: none;
transition: var(--transition);
}
img {
max-width: 100%;
height: auto;
display: block;
}
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
font-weight: 700;
line-height: 1.4;
color: var(--dark);
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
}
.container-wide {
max-width: 1400px;
margin: 0 auto;
padding: 0 20px;
}
.section {
padding: 60px 0;
}
.section-title {
text-align: center;
font-size: 28px;
margin-bottom: 40px;
position: relative;
}
.section-title::after {
content: '';
display: block;
width: 60px;
height: 4px;
background: var(--gradient-main);
margin: 12px auto 0;
border-radius: 2px;
}
.section-subtitle {
text-align: center;
color: var(--gray);
font-size: 15px;
margin-top: -28px;
margin-bottom: 40px;
}
.text-gradient {
background: var(--gradient-main);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.btn {
display: inline-block;
padding: 12px 28px;
border-radius: var(--radius-sm);
font-weight: 600;
font-size: 15px;
cursor: pointer;
border: none;
transition: var(--transition);
}
.btn-primary {
background: var(--gradient-main);
color: white;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: var(--shadow-lg);
}
.btn-outline {
border: 2px solid var(--primary);
color: var(--primary);
background: transparent;
}
.btn-outline:hover {
background: var(--primary);
color: white;
}
.header {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1000;
background: rgba(255,255,255,0.95);
backdrop-filter: blur(10px);
box-shadow: 0 2px 10px rgba(0,0,0,0.08);
transition: var(--transition);
}
.header.scrolled {
background: rgba(255,255,255,0.98);
box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}
.header-inner {
display: flex;
align-items: center;
justify-content: space-between;
height: 72px;
}
.logo {
display: flex;
align-items: center;
gap: 12px;
}
.logo img {
height: 48px;
width: auto;
}
.logo-text {
font-size: 22px;
font-weight: 800;
color: var(--primary);
}
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
padding: 8px 16px;
border-radius: var(--radius-sm);
font-size: 15px;
font-weight: 500;
color: #555;
transition: var(--transition);
}
.nav a:hover, .nav a.active {
color: var(--primary);
background: rgba(192, 57, 43, 0.08);
}
.mobile-toggle {
display: none;
flex-direction: column;
gap: 5px;
cursor: pointer;
padding: 8px;
}
.mobile-toggle span {
width: 24px;
height: 3px;
background: var(--dark);
border-radius: 2px;
transition: var(--transition);
}
.search-bar {
display: flex;
align-items: center;
max-width: 400px;
width: 100%;
margin: 0 auto;
padding-top: 8px;
}
.search-bar-inner {
display: flex;
align-items: center;
background: var(--light);
border-radius: 50px;
padding: 4px 6px 4px 20px;
width: 100%;
border: 1px solid transparent;
transition: var(--transition);
}
.search-bar-inner:focus-within {
border-color: var(--primary-light);
background: white;
box-shadow: 0 2px 12px rgba(192, 57, 43, 0.1);
}
.search-bar-inner input {
flex: 1;
border: none;
outline: none;
background: transparent;
font-size: 14px;
color: #333;
font-family: var(--font-main);
}
.search-bar-inner button {
width: 36px;
height: 36px;
border-radius: 50%;
border: none;
background: var(--gradient-main);
color: white;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: var(--transition);
}
.search-bar-inner button:hover {
transform: scale(1.05);
}
.hero {
padding-top: 80px;
background: var(--gradient-dark);
position: relative;
overflow: hidden;
min-height: 600px;
display: flex;
align-items: center;
}
.hero::before {
content: '';
position: absolute;
top: 0; left: 0; right: 0; bottom: 0;
background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.03)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.03)"/><circle cx="50" cy="70" r="2.5" fill="rgba(255,255,255,0.02)"/><circle cx="90" cy="80" r="1" fill="rgba(255,255,255,0.03)"/><circle cx="10" cy="90" r="1.5" fill="rgba(255,255,255,0.02)"/></svg>');
}
.hero-inner {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 60px;
align-items: center;
position: relative;
z-index: 1;
}
.hero-content { color: white; }
.hero-content h1 {
font-size: 48px;
color: white;
margin-bottom: 20px;
line-height: 1.3;
}
.hero-content h1 span {
background: var(--gradient-main);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}
.hero-content p {
font-size: 18px;
color: rgba(255,255,255,0.8);
margin-bottom: 32px;
line-height: 1.8;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
position: relative;
border-radius: var(--radius);
overflow: hidden;
box-shadow: var(--shadow-lg);
}
.hero-image img {
width: 100%;
height: 400px;
object-fit: cover;
}
.hero-stats {
display: flex;
gap: 40px;
margin-top: 32px;
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 32px; font-weight: 800; color: var(--secondary-light); }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,0.7); margin-top: 4px; }
.video-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 24px;
}
.video-card {
background: white;
border-radius: var(--radius);
overflow: hidden;
box-shadow: var(--shadow);
transition: var(--transition);
position: relative;
cursor: pointer;
}
.video-card:hover {
transform: translateY(-6px);
box-shadow: var(--shadow-lg);
}
.video-card .thumb {
position: relative;
width: 100%;
height: 200px;
overflow: hidden;
background: var(--dark);
}
.video-card .thumb img {
width: 100%;
height: 100%;
object-fit: cover;
transition: transform 0.5s ease;
}
.video-card:hover .thumb img {
transform: scale(1.08);
}
.video-card .play-btn {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%) scale(0.8);
width: 56px;
height: 56px;
background: rgba(192, 57, 43, 0.9);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: var(--transition);
}
.video-card:hover .play-btn {
opacity: 1;
transform: translate(-50%, -50%) scale(1);
}
.play-btn svg {
width: 24px;
height: 24px;
margin-left: 3px;
}
.video-card .thumb .duration {
position: absolute;
bottom: 8px;
right: 8px;
background: rgba(0,0,0,0.75);
color: white;
padding: 2px 8px;
border-radius: 4px;
font-size: 12px;
font-weight: 600;
}
.video-card .info { padding: 16px; }
.video-card .info h3 {
font-size: 15px;
margin-bottom: 8px;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
line-height: 1.5;
}
.video-card .meta {
display: flex;
align-items: center;
gap: 16px;
font-size: 12px;
color: var(--gray);
}
.video-card .meta span {
display: flex;
align-items: center;
gap: 4px;
}
.tabs {
display: flex;
gap: 8px;
margin-bottom: 32px;
flex-wrap: wrap;
justify-content: center;
}
.tab-btn {
padding: 8px 20px;
border-radius: 50px;
border: 1px solid var(--gray-light);
background: white;
color: #555;
font-size: 14px;
cursor: pointer;
transition: var(--transition);
}
.tab-btn:hover, .tab-btn.active {
background: var(--gradient-main);
color: white;
border-color: transparent;
}
.feature-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 24px;
}
.feature-card {
background: white;
border-radius: var(--radius);
padding: 32px 24px;
text-align: center;
box-shadow: var(--shadow);
transition: var(--transition);
border-top: 3px solid transparent;
}
.feature-card:hover {
transform: translateY(-4px);
border-top-color: var(--primary);
}
.feature-card .icon {
width: 64px;
height: 64px;
margin: 0 auto 16px;
background: rgba(192, 57, 43, 0.08);
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 28px;
}
.feature-card h3 {
font-size: 18px;
margin-bottom: 12px;
}
.feature-card p {
font-size: 14px;
color: var(--gray);
line-height: 1.7;
}
.expert-grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 24px;
}
.expert-card {
background: white;
border-radius: var(--radius);
overflow: hidden;
box-shadow: var(--shadow);
text-align: center;
transition: var(--transition);
}
.expert-card:hover {
transform: translateY(-4px);
box-shadow: var(--shadow-lg);
}
.expert-card .avatar {
width: 100%;
height: 220px;
overflow: hidden;
background: var(--light);
}
.expert-card .avatar img {
width: 100%;
height: 100%;
object-fit: cover;
}
.expert-card .info { padding: 20px; }
.expert-card .name {
font-size: 17px;
font-weight: 700;
margin-bottom: 4px;
}
.expert-card .title {
font-size: 13px;
color: var(--secondary);
margin-bottom: 10px;
}
.expert-card .desc {
font-size: 13px;
color: var(--gray);
margin-bottom: 16px;
}
.expert-card .actions {
display: flex;
gap: 8px;
justify-content: center;
}
.expert-card .actions .btn {
padding: 6px 16px;
font-size: 12px;
}
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
background: white;
border-radius: var(--radius-sm);
margin-bottom: 12px;
box-shadow: 0 2px 8px rgba(0,0,0,0.05);
overflow: hidden;
}
.faq-question {
padding: 18px 24px;
cursor: pointer;
display: flex;
justify-content: space-between;
align-items: center;
font-weight: 600;
font-size: 15px;
transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question .arrow {
transition: var(--transition);
font-size: 12px;
}
.faq-item.open .faq-question .arrow {
transform: rotate(180deg);
}
.faq-answer {
padding: 0 24px;
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease, padding 0.3s ease;
font-size: 14px;
color: #555;
line-height: 1.8;
}
.faq-item.open .faq-answer {
max-height: 300px;
padding: 0 24px 18px;
}
.review-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 24px;
}
.review-card {
background: white;
border-radius: var(--radius);
padding: 24px;
box-shadow: var(--shadow);
position: relative;
}
.review-card::before {
content: '"';
position: absolute;
top: 16px;
left: 20px;
font-size: 48px;
color: rgba(192, 57, 43, 0.15);
font-family: Georgia, serif;
line-height: 1;
}
.review-card .stars {
color: var(--secondary-light);
margin-bottom: 12px;
font-size: 16px;
}
.review-card .text {
font-size: 14px;
color: #555;
line-height: 1.7;
margin-bottom: 16px;
}
.review-card .author {
display: flex;
align-items: center;
gap: 12px;
}
.review-card .author .avatar {
width: 40px;
height: 40px;
border-radius: 50%;
background: var(--gradient-main);
display: flex;
align-items: center;
justify-content: center;
color: white;
font-weight: 700;
font-size: 16px;
}
.review-card .author .name { font-weight: 600; font-size: 14px; }
.review-card .author .date { font-size: 12px; color: var(--gray); }
.partner-wall {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 40px;
padding: 20px 0;
}
.partner-logo {
width: 120px;
height: 60px;
background: white;
border-radius: var(--radius-sm);
display: flex;
align-items: center;
justify-content: center;
box-shadow: 0 2px 8px rgba(0,0,0,0.05);
font-size: 13px;
font-weight: 600;
color: var(--gray);
transition: var(--transition);
}
.partner-logo:hover {
transform: scale(1.05);
box-shadow: var(--shadow);
}
.steps {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 24px;
}
.step {
text-align: center;
position: relative;
}
.step::after {
content: '';
position: absolute;
top: 32px;
right: -12px;
width: 24px;
height: 2px;
background: var(--gray-light);
}
.step:last-child::after { display: none; }
.step .num {
width: 64px;
height: 64px;
border-radius: 50%;
background: var(--gradient-main);
color: white;
font-size: 24px;
font-weight: 800;
display: flex;
align-items: center;
justify-content: center;
margin: 0 auto 16px;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--gray); }
.contact-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 40px;
}
.contact-info h3 { font-size: 22px; margin-bottom: 20px; }
.contact-item {
display: flex;
align-items: flex-start;
gap: 16px;
margin-bottom: 20px;
}
.contact-item .icon {
width: 48px;
height: 48px;
border-radius: var(--radius-sm);
background: rgba(192, 57, 43, 0.08);
display: flex;
align-items: center;
justify-content: center;
font-size: 20px;
flex-shrink: 0;
}
.contact-item .label { font-size: 13px; color: var(--gray); }
.contact-item .value { font-size: 15px; font-weight: 600; margin-top: 4px; }
.qr-codes {
display: flex;
gap: 24px;
justify-content: center;
margin-top: 20px;
}
.qr-code {
width: 160px;
text-align: center;
}
.qr-code .qr-img {
width: 160px;
height: 160px;
background: white;
border-radius: var(--radius-sm);
box-shadow: var(--shadow);
display: flex;
align-items: center;
justify-content: center;
font-size: 12px;
color: var(--gray);
border: 1px solid #eee;
}
.qr-code .qr-label { font-size: 13px; margin-top: 8px; color: #555; }
.footer {
background: var(--gradient-dark);
color: rgba(255,255,255,0.8);
padding: 60px 0 30px;
}
.footer-grid {
display: grid;
grid-template-columns: 2fr 1fr 1fr 1fr;
gap: 40px;
margin-bottom: 40px;
}
.footer-brand .logo-text {
color: white;
font-size: 24px;
margin-bottom: 12px;
}
.footer-brand p {
font-size: 14px;
line-height: 1.7;
color: rgba(255,255,255,0.6);
}
.footer h4 {
color: white;
font-size: 16px;
margin-bottom: 20px;
}
.footer ul li { margin-bottom: 10px; }
.footer ul li a {
font-size: 14px;
color: rgba(255,255,255,0.6);
}
.footer ul li a:hover { color: var(--secondary-light); }
.footer-bottom {
border-top: 1px solid rgba(255,255,255,0.1);
padding-top: 24px;
display: flex;
justify-content: space-between;
align-items: center;
font-size: 13px;
color: rgba(255,255,255,0.5);
}
.share-buttons {
display: flex;
gap: 12px;
}
.share-btn {
width: 36px;
height: 36px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 14px;
color: white;
cursor: pointer;
transition: var(--transition);
}
.share-btn:hover { transform: scale(1.1); }
.share-weixin { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #000; }
.share-bilibili { background: #00a1d6; }
.breadcrumb {
padding: 12px 0;
font-size: 14px;
color: var(--gray);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 8px; }
.page-hero {
padding: 100px 0 40px;
background: var(--gradient-dark);
color: white;
text-align: center;
}
.page-hero h1 { font-size: 36px; color: white; margin-bottom: 12px; }
.page-hero p { font-size: 16px; color: rgba(255,255,255,0.7); }
.page-content { padding: 40px 0 80px; }
.page-intro {
background: white;
border-radius: var(--radius);
padding: 32px;
margin-bottom: 40px;
box-shadow: var(--shadow);
font-size: 15px;
line-height: 2;
color: #555;
}
.comments-section {
margin-top: 40px;
}
.comments-section h3 {
font-size: 22px;
margin-bottom: 24px;
}
.comment-item {
background: white;
border-radius: var(--radius-sm);
padding: 20px;
margin-bottom: 16px;
box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.comment-item .comment-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
}
.comment-item .comment-user {
display: flex;
align-items: center;
gap: 10px;
}
.comment-item .comment-avatar {
width: 36px;
height: 36px;
border-radius: 50%;
background: var(--gradient-main);
display: flex;
align-items: center;
justify-content: center;
color: white;
font-weight: 700;
font-size: 14px;
}
.comment-item .comment-name { font-weight: 600; font-size: 14px; }
.comment-item .comment-time { font-size: 12px; color: var(--gray); }
.comment-item .comment-text { font-size: 14px; color: #555; line-height: 1.7; }
.comment-item .comment-actions {
margin-top: 12px;
display: flex;
gap: 16px;
}
.comment-item .comment-actions a {
font-size: 12px;
color: var(--gray);
display: flex;
align-items: center;
gap: 4px;
}
.comment-item .comment-actions a:hover { color: var(--primary); }
.reply-item {
margin-left: 46px;
margin-top: 12px;
padding: 12px 16px;
background: var(--light);
border-radius: var(--radius-sm);
font-size: 13px;
color: #555;
}
.reply-item .reply-author {
font-weight: 600;
color: var(--primary);
margin-right: 8px;
}
.mcp-widget {
position: fixed;
bottom: 80px;
right: 20px;
width: 56px;
height: 56px;
border-radius: 50%;
background: var(--gradient-main);
display: flex;
align-items: center;
justify-content: center;
color: white;
font-size: 24px;
box-shadow: var(--shadow-lg);
cursor: pointer;
z-index: 999;
transition: var(--transition);
}
.mcp-widget:hover { transform: scale(1.1); }
.back-top {
position: fixed;
bottom: 20px;
right: 20px;
width: 44px;
height: 44px;
border-radius: 50%;
background: var(--accent);
color: white;
display: none;
align-items: center;
justify-content: center;
cursor: pointer;
z-index: 999;
transition: var(--transition);
}
.back-top:hover { background: var(--primary); }
@keyframes fadeInUp {
from { opacity: 0; transform: translateY(20px); }
to { opacity: 1; transform: translateY(0); }
}
.animate-in {
animation: fadeInUp 0.6s ease forwards;
}
@media (max-width: 1024px) {
.video-grid { grid-template-columns: repeat(3, 1fr); }
.expert-grid { grid-template-columns: repeat(2, 1fr); }
.footer-grid { grid-template-columns: repeat(2, 1fr); }
.hero-inner { grid-template-columns: 1fr; text-align: center; }
.hero-image { display: none; }
.hero-stats { justify-content: center; }
.hero-buttons { justify-content: center; }
.feature-grid { grid-template-columns: repeat(2, 1fr); }
.steps { grid-template-columns: repeat(2, 1fr); }
.step::after { display: none; }
}
@media (max-width: 768px) {
.header-inner { height: 60px; }
.nav {
display: none;
position: absolute;
top: 60px;
left: 0;
right: 0;
background: white;
flex-direction: column;
padding: 16px;
box-shadow: var(--shadow-lg);
}
.nav.open { display: flex; }
.mobile-toggle { display: flex; }
.hero { min-height: 500px; }
.hero-content h1 { font-size: 32px; }
.video-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-grid { grid-template-columns: 1fr; }
.review-grid { grid-template-columns: 1fr; }
.contact-grid { grid-template-columns: 1fr; }
.footer-grid { grid-template-columns: 1fr; }
.section { padding: 40px 0; }
.section-title { font-size: 22px; }
.footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
.search-bar { max-width: 100%; }
}
@media (max-width: 480px) {
.video-grid { grid-template-columns: 1fr; }
.expert-grid { grid-template-columns: 1fr; }
.steps { grid-template-columns: 1fr; }
.hero-content h1 { font-size: 26px; }
.hero-stats { gap: 20px; }
.hero-stat .num { font-size: 24px; }
.qr-codes { flex-direction: column; align-items: center; }
}
@media print {
.header, .footer, .mcp-widget, .back-top { display: none; }
body { color: black; background: white; }
}