:root {
    --primary: #0f4c81;
    --accent: #00a8e8;
    --secondary: #10b981;
    --dark: #1a202c;
    --light: #f7fafc;
    --text: #333;
    --muted: #666;
    --white: #fff;
    --border: #e2e8f0;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Roboto, Arial, sans-serif;
    line-height: 1.7; color: var(--text); background: var(--white);
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, #083358 100%);
    position: fixed; width: 100%; top: 0; z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.12);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; max-width: 1200px; margin: 0 auto; }
.logo { color: #fff; font-size: 1.4rem; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 36px; height: 36px; background: var(--accent); border-radius: 8px; display: grid; place-items: center; font-size: 1.2rem; }
.nav-links { display: flex; list-style: none; gap: 8px; flex-wrap: wrap; }
.nav-links a { color: rgba(255,255,255,0.9); padding: 8px 14px; border-radius: 6px; font-size: 0.95rem; transition: .2s; }
.nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,0.15); color: #fff; }
.nav-phone { color: #fff; font-weight: 700; font-size: 1.1rem; margin-left: 15px; }
.hero {
    background: linear-gradient(135deg, #0a192f 0%, #0f4c81 50%, #00a8e8 100%);
    color: #fff; padding: 160px 20px 100px; text-align: center; position: relative; overflow: hidden;
}
.hero::before {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(circle at 20% 80%, rgba(0,168,232,0.15) 0%, transparent 40%),
                radial-gradient(circle at 80% 20%, rgba(16,185,129,0.12) 0%, transparent 40%);
}
.hero-content { position: relative; z-index: 1; max-width: 900px; margin: 0 auto; }
.hero h1 { font-size: 2.6rem; margin-bottom: 20px; line-height: 1.3; }
.hero p { font-size: 1.15rem; opacity: 0.95; margin-bottom: 30px; }
.btn {
    display: inline-block; padding: 14px 32px; border-radius: 8px; font-weight: 600;
    transition: .2s; cursor: pointer; border: none; font-size: 1rem;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 15px rgba(0,168,232,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,168,232,0.45); }
.btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.5); margin-left: 12px; }
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.section { padding: 80px 20px; }
.section-light { background: var(--light); }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title h2 { font-size: 2rem; color: var(--dark); margin-bottom: 12px; }
.section-title p { color: var(--muted); font-size: 1.05rem; max-width: 700px; margin: 0 auto; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 25px; }
.card {
    background: var(--white); border-radius: 12px; padding: 32px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06); border: 1px solid var(--border);
    transition: .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0,0,0,0.1); }
.card-icon { width: 56px; height: 56px; border-radius: 12px; display: grid; place-items: center; font-size: 1.6rem; margin-bottom: 18px; background: rgba(0,168,232,0.1); color: var(--accent); }
.card h3 { font-size: 1.25rem; margin-bottom: 12px; color: var(--dark); }
.card p { color: var(--muted); font-size: 0.96rem; }
.feature-list { list-style: none; }
.feature-list li { padding: 8px 0; padding-left: 28px; position: relative; color: var(--muted); }
.feature-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 16px;
    height: 16px;
    background: url(images/icons/check.svg) no-repeat center;
    background-size: contain;
    filter: brightness(0) saturate(100%) invert(48%) sepia(79%) saturate(420%) hue-rotate(118deg) brightness(96%) contrast(92%);
}
.process { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.process-step { flex: 1; min-width: 180px; text-align: center; padding: 25px 15px; background: var(--white); border-radius: 12px; border: 1px solid var(--border); position: relative; }
.process-step .num { width: 40px; height: 40px; background: var(--accent); color: #fff; border-radius: 50%; display: grid; place-items: center; font-weight: 700; margin: 0 auto 15px; }
.process-step h4 { margin-bottom: 8px; color: var(--dark); }
.process-step p { font-size: 0.9rem; color: var(--muted); }
.cta {
    background: linear-gradient(135deg, var(--primary) 0%, #083358 100%);
    color: #fff; padding: 70px 20px; text-align: center;
}
.cta h2 { font-size: 2rem; margin-bottom: 15px; }
.cta p { font-size: 1.1rem; opacity: 0.95; margin-bottom: 25px; }
.footer { background: var(--dark); color: rgba(255,255,255,0.75); padding: 60px 20px 25px; font-size: 0.95rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 40px; margin-bottom: 40px; }
.footer h4 { color: #fff; margin-bottom: 18px; font-size: 1.1rem; }
.footer a { color: rgba(255,255,255,0.75); display: block; margin-bottom: 10px; }
.footer a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 25px; text-align: center; }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 24px; display: flex; gap: 20px; align-items: flex-start; transition: .2s; }
.news-item:hover { border-color: var(--accent); box-shadow: 0 5px 20px rgba(0,0,0,0.08); }
.news-date { min-width: 70px; text-align: center; }
.news-date .day { font-size: 1.8rem; font-weight: 700; color: var(--accent); line-height: 1; }
.news-date .ym { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }
.news-content h3 { font-size: 1.15rem; color: var(--dark); margin-bottom: 8px; }
.news-content p { color: var(--muted); font-size: 0.95rem; }
.breadcrumb { background: #f1f5f9; padding: 100px 20px 30px; }
.breadcrumb ol { display: flex; list-style: none; gap: 8px; max-width: 1200px; margin: 0 auto; color: var(--muted); font-size: 0.9rem; }
.breadcrumb a { color: var(--primary); }
.page-content { padding: 50px 20px 80px; }
.page-content h2 { color: var(--dark); margin: 30px 0 15px; font-size: 1.6rem; }
.page-content h3 { color: var(--dark); margin: 25px 0 12px; font-size: 1.3rem; }
.page-content p { margin-bottom: 15px; color: var(--muted); }
.page-content ul { margin-left: 22px; margin-bottom: 15px; color: var(--muted); }
.page-content li { margin-bottom: 8px; }
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.contact-info p { margin-bottom: 18px; display: flex; align-items: flex-start; gap: 12px; }
.contact-info strong { color: var(--dark); display: block; margin-bottom: 4px; }
.contact-form { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 30px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; color: var(--dark); }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 6px; font-family: inherit; font-size: 1rem; }
.mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }
@media (max-width: 900px) {
    .nav-links { display: none; position: absolute; top: 65px; left: 0; right: 0; background: var(--primary); flex-direction: column; padding: 15px 20px; }
    .nav-links.open { display: flex; }
    .mobile-toggle { display: block; }
    .hero h1 { font-size: 1.8rem; }
    .nav-phone { display: none; }
    .process-step { min-width: 100%; }
}

.icon-img { display: inline-block; vertical-align: middle; }
.logo-icon-img { width: 22px; height: 22px; }
.card-icon { display: grid; place-items: center; }
.card-icon-img { width: 36px; height: 36px; }
.case-icon-img { width: 44px; height: 44px; margin-bottom: 15px; }
.qual-icon-img { width: 36px; height: 36px; margin-bottom: 12px; }
.contact-icon-img { width: 20px; height: 20px; margin-right: 10px; flex-shrink: 0; }
.cta-icon-img { width: 18px; height: 18px; margin-right: 6px; vertical-align: middle; }