* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", Arial, sans-serif;
    color: #12212f;
    background: #f4f8fb;
}

a {
    color: inherit;
    text-decoration: none;
}

.top-bar {
    width: 100%;
    padding: 18px 7%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid #d8e4ef;
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    line-height: 42px;
    text-align: center;
    border-radius: 50%;
    background: #103a63;
    color: #fff;
    font-weight: bold;
    font-size: 22px;
    box-shadow: 0 8px 18px rgba(16, 58, 99, 0.22);
}

.brand small {
    display: block;
    color: #6f7f90;
    margin-top: 2px;
}

nav {
    display: flex;
    gap: 28px;
    font-size: 15px;
    color: #45576b;
}

nav a:hover {
    color: #0f5593;
}

.hero {
    min-height: 720px;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 48px;
    padding: 86px 7% 70px;
    align-items: center;
    background:
        radial-gradient(circle at top left, rgba(53, 128, 183, 0.22), transparent 32%),
        linear-gradient(135deg, #eef7ff 0%, #ffffff 46%, #e9f2f8 100%);
}

.eyebrow {
    margin: 0 0 12px;
    color: #2871a8;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 13px;
    font-weight: bold;
}

h1 {
    margin: 0;
    font-size: 58px;
    line-height: 1.08;
    letter-spacing: -1px;
    color: #0d2438;
}

.hero-desc {
    margin: 28px 0 0;
    max-width: 620px;
    color: #526274;
    font-size: 18px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 36px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border-radius: 999px;
    font-weight: bold;
    border: 1px solid transparent;
    transition: 0.2s;
}

.btn.primary {
    color: #fff;
    background: #0d4f86;
    box-shadow: 0 12px 24px rgba(13, 79, 134, 0.22);
}

.btn.primary:hover {
    background: #093d69;
    transform: translateY(-2px);
}

.btn.ghost {
    color: #0d4f86;
    border-color: #a9c6dc;
    background: rgba(255, 255, 255, 0.68);
}

.btn.light {
    color: #103a63;
    background: #fff;
}

.btn.full {
    width: 100%;
    margin-top: 10px;
}

.certificate-card {
    padding: 16px;
    background: #fff;
    border-radius: 28px;
    box-shadow: 0 30px 70px rgba(20, 52, 83, 0.18);
    border: 1px solid #dce9f4;
}

.certificate-card img {
    display: block;
    width: 100%;
    border-radius: 18px;
}

.section {
    padding: 78px 7%;
}

.section-title {
    margin-bottom: 30px;
}

.section-title.center {
    text-align: center;
}

.section-title.light-title p,
.section-title.light-title h2 {
    color: #fff;
}

.section-title h2,
.filing-card h2,
.contact h2 {
    margin: 0;
    font-size: 34px;
    color: #102d45;
}

.about-section {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 42px;
    align-items: center;
    background: #fff;
}

.about-copy p {
    color: #5f7082;
    line-height: 1.9;
    font-size: 17px;
}

.about-photo {
    border-radius: 28px;
    overflow: hidden;
    min-height: 390px;
    box-shadow: 0 22px 55px rgba(17, 52, 82, 0.16);
}

.about-photo img {
    width: 100%;
    height: 100%;
    min-height: 390px;
    display: block;
    object-fit: cover;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.info-item {
    min-height: 145px;
    padding: 24px;
    border-radius: 22px;
    background: #fff;
    border: 1px solid #dce9f4;
    box-shadow: 0 12px 30px rgba(15, 47, 77, 0.06);
}

.info-item span {
    display: block;
    color: #738396;
    margin-bottom: 16px;
}

.info-item strong {
    font-size: 20px;
    color: #12324f;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-card {
    min-height: 250px;
    padding: 28px;
    border-radius: 26px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 1)),
        radial-gradient(circle at top right, rgba(40, 113, 168, 0.2), transparent 45%);
    border: 1px solid #dce9f4;
    box-shadow: 0 16px 40px rgba(15, 47, 77, 0.08);
    transition: 0.2s;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 24px 55px rgba(15, 47, 77, 0.13);
}

.advantage-card span {
    display: inline-flex;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #e5f2fb;
    color: #0d4f86;
    font-weight: bold;
    margin-bottom: 26px;
}

.advantage-card h3 {
    margin: 0 0 14px;
    font-size: 22px;
    color: #102d45;
}

.advantage-card p {
    margin: 0;
    color: #637386;
    line-height: 1.75;
}

.filing-section {
    background: #0d263d;
}

.filing-section .info-grid {
    grid-template-columns: repeat(4, 1fr);
}

.filing-cta {
    max-width: 1050px;
    margin: 28px auto 0;
    padding: 26px 30px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.filing-cta h3 {
    margin: 0 0 8px;
    font-size: 24px;
}

.filing-cta p {
    margin: 0;
    color: #cfe0ed;
}

.filing-card {
    max-width: 1050px;
    margin: 0 auto;
    padding: 44px;
    border-radius: 28px;
    background: linear-gradient(145deg, #ffffff 0%, #eef6fc 100%);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.22);
}

.filing-card p {
    color: #526274;
    line-height: 1.8;
}

.filing-list {
    list-style: none;
    padding: 0;
    margin: 28px 0;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.filing-list li {
    padding: 18px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid #d7e5f1;
}

.filing-list span {
    display: block;
    color: #7a8999;
    font-size: 13px;
    margin-bottom: 8px;
}

.filing-list b {
    color: #102d45;
}

.highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.highlight {
    padding: 30px;
    background: #fff;
    border-radius: 24px;
    border-top: 5px solid #2773ac;
    box-shadow: 0 14px 36px rgba(18, 43, 66, 0.08);
}

.highlight h3 {
    margin: 0 0 12px;
    font-size: 24px;
}

.highlight p {
    margin: 0;
    color: #637386;
    line-height: 1.7;
}

.people-section {
    background: #fff;
}

.people-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.person-card {
    overflow: hidden;
    border-radius: 26px;
    background: #f8fbfd;
    border: 1px solid #dce9f4;
    box-shadow: 0 16px 40px rgba(15, 47, 77, 0.08);
}

.person-card img {
    width: 100%;
    height: 310px;
    display: block;
    object-fit: cover;
}

.person-card div {
    padding: 24px;
}

.person-card h3 {
    margin: 0 0 10px;
    font-size: 23px;
    color: #102d45;
}

.person-card p {
    margin: 0;
    color: #637386;
    line-height: 1.75;
}

.contact {
    margin: 0 7% 78px;
    padding: 42px;
    border-radius: 28px;
    color: #fff;
    background: linear-gradient(135deg, #0c3a64, #1f78b4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.contact h2 {
    color: #fff;
}

.contact p {
    color: #dbeaf4;
    line-height: 1.7;
}

footer {
    padding: 28px 7% 36px;
    color: #657587;
    text-align: center;
    background: #e9f1f7;
}

.notice {
    font-size: 13px;
}

@media (max-width: 960px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: 56px;
    }

    h1 {
        font-size: 42px;
    }

    .info-grid,
    .filing-list,
    .highlights,
    .advantage-grid,
    .people-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-section {
        grid-template-columns: 1fr;
    }

    .filing-section .info-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 680px) {
    .top-bar {
        align-items: flex-start;
        gap: 16px;
        flex-direction: column;
    }

    nav {
        gap: 15px;
        flex-wrap: wrap;
    }

    .hero {
        padding-left: 5%;
        padding-right: 5%;
    }

    .section {
        padding-left: 5%;
        padding-right: 5%;
    }

    .info-grid,
    .filing-list,
    .highlights,
    .advantage-grid,
    .people-grid,
    .filing-section .info-grid {
        grid-template-columns: 1fr;
    }

    .contact {
        margin-left: 5%;
        margin-right: 5%;
        flex-direction: column;
        align-items: flex-start;
    }

    .filing-cta {
        flex-direction: column;
        align-items: flex-start;
    }
}