@charset "utf-8";

:root {
    --primary-blue: #1A2F6B;
    --accent-blue: #253C89;
    --highlight-blue: #3D5AF9;
    --gradient-blue: linear-gradient(135deg, #2D46B9 0%, #509BF5 100%);
    --text-light: #F2F7FF;
    --text-secondary: #B8CDFF;
    --transition: all 0.3s ease;
}

html,
body {
    width: 100%;
    height: 100%;
}

body,
div,
ul,
li,
a,
img,
p,
h1,
h2,
h3,
h4,
span,
strong,
input {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    border: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, "Microsoft YaHei";
    color: #333;
    overflow: hidden;
    overflow-x: hidden;
    min-height: 100vh;
    margin: 0;
}

img {
    vertical-align: middle;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}

a {
    color: #666;
}

p {
    line-height: 1.5em;
}

.mySwiper {
    width: 100%;
    height: 100vh;
    background: #140f26;
}

.items {
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    align-content: center;
    justify-content: center;
    position: relative;
}

.bt {
    width: 100%;
    margin-bottom: 20px;
    text-align: center;
}

.bt h1 {
    font-size: 68px;
    color: #0AC2FF;
    text-align: center;
}

.c1btns {
    width: 260px;
    padding: 10px 0;
    border-radius: 40px;
    background-color: #fff;
    text-align: center;
    margin: 0 auto;
}

.c1btns h1 {
    font-size: 19px;
    color: #000;
}

.c1btns p {
    font-size: 12px;
}

#certify {
    position: relative;
    width: 1200px;
    margin: 0 auto;
}

#certify .swiper-container {
    padding-bottom: 60px;
}

#certify .swiper-slide {
    width: 645px;
    height: auto;
    box-shadow: 0 0 10px #a2fffc;
}

#certify .swiper-slide img {
    display: block;
}

#certify .swiper-button-prev {
    left: -80px;
    width: 90px;
    height: 90px;
    margin-top: -45px;
    background: transparent;
}

#certify .swiper-button-prev:hover,
#certify .swiper-button-next:hover {
    opacity: 0.92;
}

#certify .swiper-button-next {
    right: -80px;
    width: 90px;
    height: 90px;
    margin-top: -45px;
    background: transparent;
}

#certify .swiper-button-prev:after,
#certify .swiper-button-next:after {
    display: none;
}

#certify .swiper-button-prev img,
#certify .swiper-button-next img {
    display: block;
    width: 100%;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: "";
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-blue);
    border-radius: 2px;
}

.section-title p {
    font-size: 18px;
    color: #B8CDFF;
    max-width: 700px;
    margin: 25px auto 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    width: 80%;
}

.feature-card {
    background: rgba(37, 60, 137, 0.3);
    border: 1px solid rgba(114, 137, 228, 0.1);
    border-radius: 15px;
    padding: 40px 30px;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    background: rgba(37, 60, 137, 0.5);
    border: 1px solid rgba(114, 137, 228, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    border-radius: 20px;
    font-size: 28px;
    background: var(--gradient-blue);
    color: #fff;
}

.feature-icon i {
    font-size: 28px;
}

.feature-icon i img {
    width: 41%;
    margin: 0 auto;
    display: block;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #fff;
    text-align: center;
}

.feature-card p {
    font-size: 16px;
    color: #B8CDFF;
    text-align: center;
}

.con {
    width: 80%;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
}

.conlf {
    width: 50%;
}

.conlf img {
    width: 100%;
    display: block;
}

.conrt {
    width: 48%;
}

.conrt h2 {
    font-size: 56px;
    color: #fff;
    margin-bottom: 20px;
}

.conrt p {
    font-size: 22px;
    color: #fff;
}

.footer {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 0;
}

.f_info {
    width: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 30px 0;
    margin: 0 auto;
}

.crosslf {
    width: 60%;
}

.crosslf p {
    text-align: center;
    color: #fff;
}

.crossrt {
    width: 40%;
    text-align: center;
}

.crossrt img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

@media (max-width: 999px) {
    #certify .swiper-button-prev {
        left: -25px;
        width: 54px;
        height: 54px;
        margin-top: -27px;
    }

    #certify .swiper-button-next {
        right: -25px;
        width: 54px;
        height: 54px;
        margin-top: -27px;
    }
}