/* ========== CSS Reset & Variables ========== */:root {    --primary: #e83131;    --primary-dark: #c41e1e;    --primary-light: #fff0f0;    --accent: #ff6b35;    --text: #333;    --text-light: #666;    --text-lighter: #999;    --bg: #fff;    --bg-gray: #f5f7fa;    --bg-dark: #1a1a2e;    --border: #eee;    --shadow: 0 4px 20px rgba(0,0,0,.08);    --shadow-hover: 0 8px 30px rgba(232,49,49,.15);    --radius: 12px;    --transition: .3s cubic-bezier(.4,0,.2,1);}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;    color: var(--text); line-height: 1.6;    background: var(--bg); overflow-x: hidden;    -webkit-font-smoothing: antialiased;}
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-center { text-align: center; }
.svg-icon {    display: inline-flex; align-items: center; justify-content: center;    flex-shrink: 0;}
.svg-icon svg { width: 100%; height: 100%; }
/* ========== Header ========== */.header {    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;    background: rgba(255,255,255,.97);    backdrop-filter: blur(10px);    -webkit-backdrop-filter: blur(10px);    box-shadow: 0 2px 20px rgba(0,0,0,.06);    transition: box-shadow var(--transition);}
.header .container {    display: flex; align-items: center; justify-content: space-between;    height: 72px;}
.logo img { height: 42px; width: auto; }
.nav ul { display: flex; gap: 8px; }
.nav li { position: relative; }
.nav a {    display: block; padding: 8px 18px;    border-radius: 8px; font-size: 15px; font-weight: 500;    color: var(--text); transition: all var(--transition);}
.nav a:hover, .nav li.active a {    color: var(--primary); background: var(--primary-light);}
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn-login {    padding: 8px 24px; border-radius: 8px;    border: 1.5px solid var(--primary); color: var(--primary);    font-size: 14px; font-weight: 500; transition: all var(--transition);}
.btn-login:hover { background: var(--primary); color: #fff; }
.btn-register {    padding: 8px 24px; border-radius: 8px;    background: linear-gradient(135deg, var(--primary), var(--accent));    color: #fff; font-size: 14px; font-weight: 600;    box-shadow: 0 4px 15px rgba(232,49,49,.3);    transition: all var(--transition);}
.btn-register:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,49,49,.4); }
.menu-toggle {    display: none; flex-direction: column; gap: 5px;    width: 30px; padding: 4px;}
.menu-toggle span {    display: block; height: 2.5px; background: var(--text);    border-radius: 2px; transition: all var(--transition);}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-nav {    display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;    background: rgba(0,0,0,.5); z-index: 999;    opacity: 0; visibility: hidden; transition: all var(--transition);}
.mobile-nav.active { opacity: 1; visibility: visible; }
.mobile-nav-inner {    background: #fff; padding: 20px; transform: translateY(-20px);    transition: transform var(--transition);}
.mobile-nav.active .mobile-nav-inner { transform: translateY(0); }
.mobile-nav-inner a {    display: block; padding: 14px 16px; font-size: 16px;    border-bottom: 1px solid var(--border); color: var(--text);    transition: all var(--transition);}
.mobile-nav-inner a:last-of-type { border-bottom: none; }
.mobile-nav-inner a:hover { color: var(--primary); background: var(--primary-light); }
.mobile-nav-actions { display: flex; gap: 12px; margin-top: 16px; }
.mobile-nav-actions a { flex: 1; text-align: center; padding: 12px; border-radius: 8px; font-weight: 600; }
/* ========== Hero Banner ========== */.hero {    margin-top: 72px; position: relative;    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);    min-height: 520px; display: flex; align-items: center;    overflow: hidden;}
.hero::before {    content: ''; position: absolute; top: -50%; right: -20%;    width: 600px; height: 600px;    background: radial-gradient(circle, rgba(232,49,49,.15) 0%, transparent 70%);    border-radius: 50%;}
.hero::after {    content: ''; position: absolute; bottom: -30%; left: -10%;    width: 400px; height: 400px;    background: radial-gradient(circle, rgba(255,107,53,.1) 0%, transparent 70%);    border-radius: 50%;}
.hero .container {    position: relative; z-index: 1;    display: flex; align-items: center; gap: 60px;}
.hero-content { flex: 1; color: #fff; }
.hero-badge {    display: inline-flex; align-items: center; gap: 6px;    padding: 6px 16px; border-radius: 20px;    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);    font-size: 13px; color: rgba(255,255,255,.9); margin-bottom: 20px;    backdrop-filter: blur(4px);}
.hero-badge .svg-icon { width: 14px; height: 14px; color: #4ade80; }
.hero h1 {    font-size: 48px; font-weight: 800; line-height: 1.2; margin-bottom: 16px;    background: linear-gradient(to right, #fff, #ffd4d4);    -webkit-background-clip: text; -webkit-text-fill-color: transparent;    background-clip: text;}
.hero p { font-size: 18px; color: rgba(255,255,255,.7); margin-bottom: 32px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {    display: inline-flex; align-items: center; gap: 8px;    padding: 14px 36px; border-radius: 10px;    background: linear-gradient(135deg, var(--primary), var(--accent));    color: #fff; font-size: 16px; font-weight: 600;    box-shadow: 0 8px 25px rgba(232,49,49,.35);    transition: all var(--transition);}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 35px rgba(232,49,49,.45); }
.btn-secondary {    display: inline-flex; align-items: center; gap: 8px;    padding: 14px 36px; border-radius: 10px;    border: 2px solid rgba(255,255,255,.3); color: #fff;    font-size: 16px; font-weight: 500; transition: all var(--transition);    background: rgba(255,255,255,.05); backdrop-filter: blur(4px);}
.btn-secondary:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.5); }
.hero-stats {    display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;    margin-top: 40px;}
.hero-stat {    background: rgba(255,255,255,.08);    backdrop-filter: blur(10px);    border: 1px solid rgba(255,255,255,.1);    border-radius: 12px; padding: 16px 12px;    text-align: center;}
.hero-stat .stat-value {    font-size: 28px; font-weight: 800; color: #fff;    font-variant-numeric: tabular-nums;}
.hero-stat .stat-label {    font-size: 12px; color: rgba(255,255,255,.6); margin-top: 4px;}
.hero-visual { flex: 0 0 380px; position: relative; }
.hero-card {    background: rgba(255,255,255,.1);    backdrop-filter: blur(20px);    border: 1px solid rgba(255,255,255,.15);    border-radius: 20px; padding: 32px;    color: #fff; text-align: center;}
.hero-card h3 { font-size: 20px; margin-bottom: 8px; }
.hero-card > p { font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 20px; }
.quick-login {    background: rgba(255,255,255,.12); border-radius: 12px; padding: 20px;}
.quick-login-btn {    display: block; width: 100%; padding: 12px;    border-radius: 8px; font-size: 15px; font-weight: 600;    margin-bottom: 10px; transition: all var(--transition);}
.quick-login-btn.primary {    background: linear-gradient(135deg, var(--primary), var(--accent));    color: #fff; box-shadow: 0 4px 15px rgba(232,49,49,.3);}
.quick-login-btn.primary:hover { transform: translateY(-2px); }
.quick-login-btn.outline {    border: 1.5px solid rgba(255,255,255,.3); color: #fff;}
.quick-login-btn.outline:hover { background: rgba(255,255,255,.1); }
.quick-links {    display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;    margin-top: 16px;}
.quick-link {    display: flex; flex-direction: column; align-items: center; gap: 6px;    padding: 12px 4px; border-radius: 10px;    background: rgba(255,255,255,.06); transition: all var(--transition);    font-size: 12px; color: rgba(255,255,255,.8);}
.quick-link:hover { background: rgba(255,255,255,.12); color: #fff; }
.quick-link .svg-icon { width: 22px; height: 22px; }
/* ========== Section Title ========== */.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 {    font-size: 36px; font-weight: 800; color: var(--text);    margin-bottom: 12px; position: relative; display: inline-block;}
.section-header h2::after {    content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%);    width: 60px; height: 4px; border-radius: 2px;    background: linear-gradient(to right, var(--primary), var(--accent));}
.section-header p { font-size: 16px; color: var(--text-light); margin-top: 16px; }
/* ========== Features ========== */.features { padding: 80px 0; background: var(--bg-gray); }
.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.feature-card {    background: #fff; border-radius: var(--radius);    padding: 36px 20px 28px; text-align: center;    box-shadow: var(--shadow); transition: all var(--transition);    position: relative; overflow: hidden;}
.feature-card::before {    content: ''; position: absolute; top: 0; left: 0; right: 0;    height: 4px; background: linear-gradient(to right, var(--primary), var(--accent));    transform: scaleX(0); transition: transform var(--transition);}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.feature-icon {    width: 64px; height: 64px; margin: 0 auto 16px;    border-radius: 16px; display: flex; align-items: center; justify-content: center;    background: linear-gradient(135deg, var(--primary-light), #fff5f0);    color: var(--primary);}
.feature-icon .svg-icon { width: 30px; height: 30px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }
/* ========== 支持电商平台 ========== */.platforms { padding: 80px 0; background: #fff; }
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.platform-card {    background: #fff;    border-radius: var(--radius);    padding: 32px 24px;    text-align: center;    box-shadow: var(--shadow);    transition: all var(--transition);    position: relative;    overflow: hidden;}
.platform-card::before {    content: '';    position: absolute;    top: 0;    left: 0;    right: 0;    height: 4px;    background: linear-gradient(to right, var(--primary), var(--accent));    transform: scaleX(0);    transition: transform var(--transition);}
.platform-card:hover::before { transform: scaleX(1); }
.platform-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.platform-icon {    width: 72px;    height: 72px;    margin: 0 auto 16px;    border-radius: 50%;    display: flex;    align-items: center;    justify-content: center;    background: var(--primary-light);    color: var(--primary);}
.platform-icon .svg-icon { width: 32px; height: 32px; }
.platform-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.platform-card p { font-size: 14px; color: var(--text-light); line-height: 1.8; }
/* ========== Products ========== */.products { padding: 80px 0; }
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; }
.product-card {    border: 1px solid var(--border); border-radius: var(--radius);    overflow: hidden; background: #fff;    transition: all var(--transition); position: relative;}
.product-card:hover {    transform: translateY(-5px); box-shadow: 0 12px 35px rgba(0,0,0,.1);    border-color: transparent;}
.product-img {    aspect-ratio: 1; overflow: hidden; background: var(--bg-gray);    display: flex; align-items: center; justify-content: center;    padding: 16px;}
.product-img img {    width: 100%; height: 100%; object-fit: contain;    transition: transform var(--transition);}
.product-card:hover .product-img img { transform: scale(1.05); }
.product-info { padding: 16px; }
.product-name {    font-size: 14px; font-weight: 600; color: var(--text);    margin-bottom: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;}
.product-meta {    display: flex; align-items: center; justify-content: space-between;    flex-wrap: wrap; gap: 6px;}
.product-price { font-size: 18px; font-weight: 800; color: var(--primary); }
.product-price small { font-size: 12px; font-weight: 400; color: var(--text-lighter); }
.product-shipping {    font-size: 11px; color: var(--text-light);    background: var(--bg-gray); padding: 2px 8px; border-radius: 4px;}
.product-tag {    position: absolute; top: 12px; left: 12px;    background: linear-gradient(135deg, var(--primary), var(--accent));    color: #fff; font-size: 11px; font-weight: 600;    padding: 3px 10px; border-radius: 4px;}
/* ========== Advantages ========== */.advantages { padding: 80px 0; background: var(--bg-gray); }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-card {    background: #fff; border-radius: var(--radius); padding: 32px 24px;    text-align: center; box-shadow: var(--shadow); transition: all var(--transition);}
.adv-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.adv-icon {    width: 72px; height: 72px; margin: 0 auto 16px;    border-radius: 50%; display: flex; align-items: center; justify-content: center;    background: var(--primary-light); color: var(--primary);}
.adv-icon .svg-icon { width: 32px; height: 32px; }
.adv-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.adv-card p { font-size: 14px; color: var(--text-light); line-height: 1.8; }
/* ========== FAQ / Articles ========== */.faq-section { padding: 80px 0; }
.faq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.faq-card {    background: #fff; border: 1px solid var(--border); border-radius: var(--radius);    padding: 28px 24px; transition: all var(--transition);}
.faq-card:hover { box-shadow: var(--shadow); border-color: transparent; }
.faq-tag {    display: inline-block; padding: 3px 12px; border-radius: 4px;    font-size: 12px; font-weight: 600; margin-bottom: 12px;}
.faq-tag.red { background: #fff0f0; color: var(--primary); }
.faq-tag.blue { background: #eef4ff; color: #2563eb; }
.faq-tag.green { background: #f0fdf4; color: #16a34a; }
.faq-tag.orange { background: #fff7ed; color: #ea580c; }
.faq-tag.purple { background: #f5f3ff; color: #7c3aed; }
.faq-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; line-height: 1.5; }
.faq-card p { font-size: 14px; color: var(--text-light); line-height: 1.8; }
.faq-date { font-size: 12px; color: var(--text-lighter); margin-top: 12px; }
/* ========== CTA ========== */.cta-section {    padding: 80px 0;    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);    position: relative; overflow: hidden;}
.cta-section::before {    content: ''; position: absolute; top: -50%; right: -10%;    width: 500px; height: 500px;    background: radial-gradient(circle, rgba(232,49,49,.12) 0%, transparent 70%);    border-radius: 50%;}
.cta-content { position: relative; z-index: 1; text-align: center; color: #fff; }
.cta-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-content p { font-size: 18px; color: rgba(255,255,255,.7); margin-bottom: 32px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
/* ========== Partners ========== */.partners { padding: 60px 0; background: var(--bg-gray); }
.partners-grid {    display: flex; align-items: center; justify-content: center;    flex-wrap: wrap; gap: 32px;}
.partners-grid img {    height: 40px; width: auto; object-fit: contain;    filter: grayscale(100%); opacity: .6;    transition: all var(--transition);}
.partners-grid img:hover { filter: grayscale(0%); opacity: 1; }
/* ========== Footer ========== */.footer {    background: var(--bg-dark); color: rgba(255,255,255,.7); padding: 60px 0 30px;}
.footer-grid {    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;    margin-bottom: 40px;}
.footer-brand h3 {    font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 12px;}
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer-col h4 {    font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px;    position: relative; padding-bottom: 8px;}
.footer-col h4::after {    content: ''; position: absolute; bottom: 0; left: 0;    width: 30px; height: 2px; background: var(--primary);}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {    font-size: 14px; color: rgba(255,255,255,.6); transition: all var(--transition);}
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {    border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px;    text-align: center; font-size: 13px; color: rgba(255,255,255,.4);}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #fff; }
/* ========== Back to Top ========== */.back-to-top {    position: fixed; bottom: 30px; right: 30px; z-index: 999;    width: 48px; height: 48px; border-radius: 50%;    background: linear-gradient(135deg, var(--primary), var(--accent));    color: #fff; box-shadow: 0 4px 15px rgba(232,49,49,.3);    display: flex; align-items: center; justify-content: center;    opacity: 0; visibility: hidden; transform: translateY(20px);    transition: all var(--transition);}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(232,49,49,.4); }
.back-to-top .svg-icon { width: 20px; height: 20px; }
/* ========== Animations ========== */@keyframes fadeInUp {    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp .6s ease forwards; }
/* ========== Responsive ========== */@media (max-width: 1024px) {    .feature-grid { grid-template-columns: repeat(3, 1fr); }
    .adv-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .platform-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-visual { flex: 0 0 320px; }
}
@media (max-width: 768px) {    .nav, .header-actions { display: none; }
    .menu-toggle { display: flex; }
    .hero { min-height: auto; padding: 40px 0; }
    .hero .container { flex-direction: column; text-align: center; }
    .hero h1 { font-size: 28px; }
    .hero p { font-size: 15px; }
    .hero-visual { flex: none; width: 100%; max-width: 380px; margin: 0 auto; }
    .hero-stats { grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .hero-stat .stat-value { font-size: 20px; }
    .hero-stat .stat-label { font-size: 11px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .feature-card { padding: 24px 12px 20px; }
    .feature-icon { width: 52px; height: 52px; }
    .feature-icon .svg-icon { width: 24px; height: 24px; }
    .feature-card h3 { font-size: 15px; }
    .feature-card p { font-size: 12px; }
    .platform-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .platform-card { padding: 24px 16px; }
    .platform-icon { width: 56px; height: 56px; }
    .platform-icon .svg-icon { width: 26px; height: 26px; }
    .platform-card h3 { font-size: 17px; }
    .platform-card p { font-size: 13px; }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .product-info { padding: 12px; }
    .product-name { font-size: 13px; }
    .product-price { font-size: 16px; }
    .adv-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .adv-card { padding: 24px 16px; }
    .faq-grid { grid-template-columns: 1fr; gap: 16px; }
    .section-header h2 { font-size: 24px; }
    .cta-content h2 { font-size: 24px; }
    .cta-content p { font-size: 15px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .hero-buttons { justify-content: center; }
    .cta-buttons { justify-content: center; }
}
@media (max-width: 480px) {    .container { padding: 0 14px; }
    .hero h1 { font-size: 24px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .feature-grid { grid-template-columns: 1fr 1fr; }
    .platform-grid { grid-template-columns: 1fr; }
    .adv-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .btn-primary, .btn-secondary { padding: 12px 24px; font-size: 14px; }
}
/* ========== Loading Skeleton ========== */.skeleton {    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);    background-size: 200% 100%; animation: shimmer 1.5s infinite;}
@keyframes shimmer { to { background-position: -200% 0; }
}

/* ========== Cyan Matrix Technology Theme ========== */
.theme-cyan-matrix {
    --primary: #00b8d9;
    --primary-dark: #06131f;
    --primary-light: #e0f7fb;
    --accent: #7dd3fc;
    --text: #102a3a;
    --text-light: #506979;
    --text-lighter: #78909c;
    --bg: #f0f7fa;
    --bg-gray: #e9f3f7;
    --bg-dark: #06131f;
    --border: #c9e3eb;
    --shadow: 0 14px 36px rgba(6, 19, 31, .09);
    --shadow-hover: 0 20px 45px rgba(0, 184, 217, .18);
    --radius: 4px;
    background: var(--bg);
}
.theme-cyan-matrix .header {
    background: rgba(240, 247, 250, .94);
    border-bottom: 1px solid rgba(0, 184, 217, .22);
    box-shadow: 0 8px 28px rgba(6, 19, 31, .08);
}
.theme-cyan-matrix .logo img { height: 46px; }
.theme-cyan-matrix .nav a,
.theme-cyan-matrix .btn-login,
.theme-cyan-matrix .btn-register { border-radius: 2px; }
.theme-cyan-matrix .hero {
    background-color: #06131f;
    background-image:
        linear-gradient(rgba(0, 184, 217, .12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 184, 217, .12) 1px, transparent 1px),
        linear-gradient(135deg, #06131f 0%, #08293a 55%, #063c4d 100%);
    background-size: 34px 34px, 34px 34px, auto;
}
.theme-cyan-matrix .hero::before { background: radial-gradient(circle, rgba(0, 184, 217, .28), transparent 68%); }
.theme-cyan-matrix .hero::after {
    border-radius: 0;
    background: linear-gradient(135deg, transparent 45%, rgba(125, 211, 252, .16));
    transform: rotate(12deg);
}
.theme-cyan-matrix .hero h1 {
    background: linear-gradient(90deg, #fff, #7dd3fc);
    -webkit-background-clip: text;
    background-clip: text;
}
.theme-cyan-matrix .hero-badge,
.theme-cyan-matrix .hero-stat,
.theme-cyan-matrix .hero-card,
.theme-cyan-matrix .quick-login,
.theme-cyan-matrix .quick-link {
    border-radius: 2px;
    border-color: rgba(125, 211, 252, .28);
    box-shadow: inset 0 0 18px rgba(0, 184, 217, .06);
}
.theme-cyan-matrix .section-header {
    text-align: left;
    padding-left: 22px;
    border-left: 4px solid var(--primary);
}
.theme-cyan-matrix .section-header h2::after { left: 0; transform: none; width: 92px; }
.theme-cyan-matrix .products { background: linear-gradient(180deg, #f0f7fa, #e5f2f6); }
.theme-cyan-matrix .product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.theme-cyan-matrix .product-card {
    clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
    border: 1px solid rgba(0, 184, 217, .28);
    background: rgba(255, 255, 255, .92);
}
.theme-cyan-matrix .product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(125, 211, 252, .12);
}
.theme-cyan-matrix .product-img { background: linear-gradient(145deg, #f8fcfd, #e7f4f7); }
.theme-cyan-matrix .product-tag,
.theme-cyan-matrix .btn-primary,
.theme-cyan-matrix .btn-register,
.theme-cyan-matrix .back-to-top { background: linear-gradient(135deg, #00b8d9, #087f9c); }
.theme-cyan-matrix .feature-card,
.theme-cyan-matrix .platform-card,
.theme-cyan-matrix .adv-card,
.theme-cyan-matrix .faq-card { border-radius: 2px; border: 1px solid rgba(0, 184, 217, .16); }
.theme-cyan-matrix .cta-section,
.theme-cyan-matrix .footer { background: linear-gradient(135deg, #06131f, #092c3b); }
@media (max-width: 768px) {
    .mobile-nav { display: block; }
    .theme-cyan-matrix .section-header { padding-left: 14px; }
    .theme-cyan-matrix .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}