* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    color: #1a2233;
    background: #f6f8fc;
    line-height: 1.75;
    font-size: 16px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(135deg, #0b1a3a 0%, #16335c 100%);
    box-shadow: 0 2px 14px rgba(0,0,0,.18);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    flex-wrap: wrap;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 1px;
}
.logo .logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #f5c45e, #e6a833);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(230,168,51,.4);
}
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a {
    color: #d8e2f2;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
    transition: all .25s ease;
    font-weight: 500;
}
.nav a:hover, .nav a.active {
    background: rgba(245,196,94,.18);
    color: #f5c45e;
}

.hero {
    position: relative;
    background: radial-gradient(circle at 20% 20%, #1b3a6b 0%, #0b1a3a 60%);
    color: #fff;
    padding: 70px 0 80px;
    overflow: hidden;
}
.hero::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -120px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(245,196,94,.25), transparent 70%);
    border-radius: 50%;
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 {
    font-size: 42px;
    line-height: 1.3;
    margin-bottom: 18px;
    font-weight: 800;
    max-width: 720px;
}
.hero h1 .hl { color: #f5c45e; }
.hero p.lead {
    font-size: 18px;
    color: #c8d4e8;
    max-width: 760px;
    margin-bottom: 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    transition: all .25s ease;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: linear-gradient(135deg, #f5c45e, #e6a833);
    color: #0b1a3a;
    box-shadow: 0 6px 20px rgba(230,168,51,.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(230,168,51,.55); }
.btn-ghost {
    background: rgba(255,255,255,.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,.3);
}
.btn-ghost:hover { background: rgba(255,255,255,.18); }

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.hero-stats .stat .num { font-size: 32px; font-weight: 800; color: #f5c45e; }
.hero-stats .stat .label { font-size: 14px; color: #aebbd1; }

.section { padding: 60px 0; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head .eyebrow {
    color: #e6a833;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: #0b1a3a;
    margin-bottom: 12px;
}
.section-head p { color: #5a6680; max-width: 760px; margin: 0 auto; }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 30px 26px;
    box-shadow: 0 6px 24px rgba(11,26,58,.06);
    transition: transform .25s ease, box-shadow .25s ease;
    border-top: 3px solid transparent;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 36px rgba(11,26,58,.12);
    border-top-color: #f5c45e;
}
.feature-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, #eaf1ff, #d6e3ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 18px;
}
.feature-card h3 { font-size: 20px; color: #0b1a3a; margin-bottom: 10px; }
.feature-card p { color: #5a6680; font-size: 15px; }

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 26px;
}
.product-card {
    background: #fff;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(11,26,58,.07);
    transition: transform .25s ease;
}
.product-card:hover { transform: translateY(-5px); }
.product-card .thumb {
    height: 160px;
    background: linear-gradient(135deg, #1b3a6b, #0b1a3a);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    color: #f5c45e;
}
.product-card .body { padding: 24px 24px 28px; }
.product-card .tag {
    display: inline-block;
    background: rgba(230,168,51,.15);
    color: #b87f12;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
    font-weight: 600;
}
.product-card h3 { font-size: 21px; color: #0b1a3a; margin-bottom: 10px; }
.product-card p { color: #5a6680; font-size: 15px; margin-bottom: 14px; }
.product-card ul { list-style: none; }
.product-card ul li { color: #5a6680; font-size: 14px; padding: 4px 0 4px 22px; position: relative; }
.product-card ul li::before { content: "✓"; position: absolute; left: 0; color: #e6a833; font-weight: 700; }

.news-list { display: grid; grid-template-columns: 1fr; gap: 20px; }
.news-item {
    display: flex;
    gap: 22px;
    background: #fff;
    border-radius: 14px;
    padding: 22px 24px;
    box-shadow: 0 4px 18px rgba(11,26,58,.05);
    transition: box-shadow .25s ease, transform .25s ease;
    align-items: flex-start;
}
.news-item:hover { box-shadow: 0 12px 30px rgba(11,26,58,.12); transform: translateY(-3px); }
.news-date {
    flex-shrink: 0;
    width: 92px;
    text-align: center;
    background: linear-gradient(135deg, #0b1a3a, #16335c);
    color: #f5c45e;
    border-radius: 12px;
    padding: 14px 6px;
}
.news-date .day { font-size: 26px; font-weight: 800; line-height: 1; }
.news-date .month { font-size: 12px; color: #c8d4e8; margin-top: 4px; }
.news-content { flex: 1; }
.news-content h3 { font-size: 19px; color: #0b1a3a; margin-bottom: 8px; }
.news-content h3 a:hover { color: #e6a833; }
.news-content p { color: #5a6680; font-size: 14px; margin-bottom: 10px; }
.news-meta { font-size: 13px; color: #8a96ad; display: flex; gap: 14px; flex-wrap: wrap; }
.news-meta span { display: inline-flex; align-items: center; gap: 4px; }

.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.tag-row .chip {
    padding: 6px 14px;
    border-radius: 20px;
    background: #fff;
    color: #5a6680;
    font-size: 13px;
    box-shadow: 0 2px 8px rgba(11,26,58,.05);
    cursor: pointer;
    transition: all .2s ease;
}
.tag-row .chip.active, .tag-row .chip:hover { background: #0b1a3a; color: #f5c45e; }

.article {
    background: #fff;
    border-radius: 18px;
    padding: 40px 46px;
    box-shadow: 0 6px 26px rgba(11,26,58,.06);
    max-width: 920px;
    margin: 0 auto;
}
.article h1 { font-size: 30px; color: #0b1a3a; margin-bottom: 14px; line-height: 1.4; }
.article .meta { color: #8a96ad; font-size: 14px; margin-bottom: 24px; display: flex; gap: 16px; flex-wrap: wrap; border-bottom: 1px solid #eef1f6; padding-bottom: 18px; }
.article p { color: #333; margin-bottom: 16px; font-size: 16px; }
.article h2 { font-size: 22px; color: #0b1a3a; margin: 26px 0 12px; }
.article h3 { font-size: 18px; color: #16335c; margin: 22px 0 10px; }
.article ul, .article ol { margin: 0 0 18px 22px; color: #333; }
.article ul li, .article ol li { margin-bottom: 8px; }
.article blockquote {
    border-left: 4px solid #f5c45e;
    background: #faf6ec;
    padding: 14px 20px;
    border-radius: 0 10px 10px 0;
    color: #5a4a1a;
    margin-bottom: 18px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}
.about-grid .text h2 { font-size: 28px; color: #0b1a3a; margin-bottom: 14px; }
.about-grid .text p { color: #5a6680; margin-bottom: 14px; }
.about-grid .visual {
    background: linear-gradient(135deg, #16335c, #0b1a3a);
    border-radius: 20px;
    padding: 50px 30px;
    text-align: center;
    color: #fff;
}
.about-grid .visual .big { font-size: 60px; }
.about-grid .visual .num { font-size: 40px; font-weight: 800; color: #f5c45e; }
.about-grid .visual .desc { color: #c8d4e8; }

.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: linear-gradient(#f5c45e, #0b1a3a); }
.timeline .t-item { position: relative; margin-bottom: 26px; }
.timeline .t-item::before { content: ""; position: absolute; left: -30px; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: #f5c45e; box-shadow: 0 0 0 4px #fff, 0 0 0 5px #f5c45e; }
.timeline .t-item .year { font-size: 18px; font-weight: 800; color: #0b1a3a; }
.timeline .t-item .text { color: #5a6680; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
}
.contact-card {
    background: #fff;
    border-radius: 18px;
    padding: 34px 30px;
    box-shadow: 0 6px 26px rgba(11,26,58,.07);
}
.contact-card h3 { font-size: 22px; color: #0b1a3a; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.contact-info { list-style: none; }
.contact-info li { padding: 12px 0; border-bottom: 1px dashed #e6eaf2; display: flex; gap: 12px; align-items: flex-start; }
.contact-info li:last-child { border-bottom: none; }
.contact-info li .label { color: #8a96ad; width: 90px; flex-shrink: 0; }
.contact-info li .value { color: #1a2233; font-weight: 600; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 14px; color: #5a6680; margin-bottom: 6px; font-weight: 600; }
.form-row input, .form-row textarea, .form-row select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d8dde8;
    border-radius: 10px;
    font-size: 15px;
    font-family: inherit;
    background: #fbfcfe;
    transition: border-color .2s ease;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { outline: none; border-color: #f5c45e; background: #fff; }
.form-row textarea { min-height: 110px; resize: vertical; }

.cta-band {
    background: linear-gradient(135deg, #0b1a3a, #1b3a6b);
    color: #fff;
    border-radius: 22px;
    padding: 50px 40px;
    text-align: center;
    margin: 50px 0;
    position: relative;
    overflow: hidden;
}
.cta-band::before {
    content: "";
    position: absolute;
    left: -80px; bottom: -80px;
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(245,196,94,.25), transparent 70%);
    border-radius: 50%;
}
.cta-band h2 { font-size: 28px; margin-bottom: 12px; position: relative; }
.cta-band p { color: #c8d4e8; margin-bottom: 24px; position: relative; }

.footer {
    background: #0a1326;
    color: #aebbd1;
    padding: 50px 0 20px;
    margin-top: 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #aebbd1; font-size: 14px; transition: color .2s ease; }
.footer-col ul li a:hover { color: #f5c45e; }
.footer-col p { font-size: 14px; color: #8a96ad; margin-bottom: 14px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: #6f7d96;
}
.footer-bottom .kw { color: #aebbd1; }

.breadcrumb { padding: 18px 0; font-size: 14px; color: #8a96ad; }
.breadcrumb a:hover { color: #e6a833; }
.breadcrumb span { margin: 0 8px; }

.page-hero {
    background: radial-gradient(circle at 15% 20%, #1b3a6b 0%, #0b1a3a 70%);
    color: #fff;
    padding: 56px 0;
    text-align: center;
}
.page-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.page-hero h1 .hl { color: #f5c45e; }
.page-hero p { color: #c8d4e8; max-width: 720px; margin: 0 auto; }

@media (max-width: 900px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero h1 { font-size: 30px; }
    .section-head h2 { font-size: 26px; }
    .article { padding: 28px 22px; }
    .news-item { flex-direction: column; }
    .news-date { width: 100%; display: flex; gap: 10px; justify-content: center; }
}
@media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; }
    .header-inner { height: auto; padding: 10px 0; }
    .nav { width: 100%; justify-content: center; }
}