* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 16px;
}

html {
    font-size: 16px;
}

body {
    font-size: 1.6rem;
}

svg.icon {
    width: 1em;
    height: 1em;
    fill: currentColor;
    overflow: hidden;
    vertical-align: -0.1em;
}

.txt-min {
    font-size: 1.2rem;
}

ul,
li {
    list-style: none;
    padding: 0;
    margin: 0;
}

html {
    scroll-behavior: smooth;
    scroll-behavior: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

body {
    scroll-behavior: smooth;
    scroll-behavior: auto;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 15px;
}

body {
    font-family: "Microsoft Yahei", sans-serif;
    color: #444;
    line-height: 1.7;
}

img {
    max-width: 100%;
}

:root {
    --green: #0EA57A;
    --green-dark: #0C8E68;
    --green-light: #E6F7EF;
    --text-dark: #111827;
    --text-muted: #4B5563;
}

.text-green {
    color: var(--green);
}

.bg-green {
    background-color: var(--green);
}

.bg-soft-green {
    background-color: var(--green-light);
}

.btn-green {
    background: var(--green);
    color: #fff;
    border: none;
    padding: 10px 28px;
    border-radius: 40px;
    font-weight: 500;
    transition: 0.25s;
    box-shadow: 0 4px 12px rgba(14, 165, 122, 0.25);
    text-decoration: none;
    display: inline-block;
}

.btn-green:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14, 165, 122, 0.35);
    color: #fff;
}

.btn-outline-green {
    border: 1.5px solid var(--green);
    color: var(--green);
    background: transparent;
    padding: 8px 26px;
    border-radius: 40px;
    font-weight: 500;
    transition: 0.25s;
    text-decoration: none;
    display: inline-block;
}

.btn-outline-green:hover {
    background: var(--green);
    color: #fff;
    box-shadow: 0 4px 12px rgba(14, 165, 122, 0.2);
}


.navbar-custom {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid #f0f2f5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.nav-link-custom {
    color: var(--text-dark);
    font-weight: 500;
    margin: 0 10px;
    position: relative;
    text-decoration: none;
}

.nav-link-custom::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2.5px;
    background: var(--green);
    border-radius: 4px;
    transition: 0.3s;
}

.nav-link-custom:hover::after {
    width: 100%;
}

.nav-link-custom.active {
    color: var(--green);
}


.banner-solid {
    background: #0F1A1C;
    padding: 95px 0 90px;
    margin-top: 70px;
    border-bottom: 6px solid var(--green);
}

.about-card {
    background: #fff;
    border-radius: 28px;
    padding: 40px 36px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.02);
    border-left: 6px solid var(--green);
    transition: 0.2s;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.advantage-box {
    background: #fff;
    padding: 28px 18px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    border: 1px solid #f1f5f9;
    transition: 0.25s;
}

.advantage-box:hover {
    border-color: var(--green);
    transform: translateY(-6px);
    box-shadow: 0 16px 32px -12px rgba(14, 165, 122, 0.12);
}

.advantage-box i {
    font-size: 2.8rem;
    color: var(--green);
    margin-bottom: 12px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.product-item {
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    transition: 0.25s;
    border: 1px solid #f1f5f9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.product-item:hover {
    transform: translateY(-6px);
    border-color: var(--green);
    box-shadow: 0 18px 30px -12px rgba(14, 165, 122, 0.12);
}

.product-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-item .body {
    padding: 18px 18px 24px;
}


.contact-block {
    background: #fff;
    border-radius: 40px;
    padding: 40px 44px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid #f0f4f8;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.1rem;
    padding: 12px 0;
    border-bottom: 1px solid #f0f4f8;
}

.contact-item:last-child {
    border: 0;
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--green);
    width: 40px;
}

.info-card {
    background: #fff;
    border-radius: 28px;
    padding: 30px 28px;
    height: 100%;
    border: 1px solid #f1f5f9;
    transition: 0.25s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.info-card:hover {
    border-color: var(--green);
    transform: translateY(-4px);
    box-shadow: 0 16px 32px -12px rgba(14, 165, 122, 0.10);
}

.info-card .icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--green-light);
    color: var(--green);
    font-size: 1.8rem;
    margin-bottom: 18px;
}

.info-card h5 {
    font-weight: 700;
    margin-bottom: 12px;
    font-size: 1.4rem;
    color: var(--text-dark);
}

.info-card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0;
}


footer {
    background: #0b1e1a;
    color: #d9e3df;
    padding: 40px 0 24px;
}

footer a {
    color: #b6ccc6;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

.phone_fixed {
    width: 55px;
    height: 55px;
    background: #ffffff;
    position: fixed;
    right: 1rem;
    bottom: 3rem;
    border-radius: 50%;
    padding: 0;
    box-shadow: 0 0 10px #dfdcdc;
    z-index: 90;
}

.phone_fixed a {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .banner-solid {
        margin-top: 60px;
        padding: 50px 0;
    }

    .contact-block {
        padding: 28px 20px;
    }
    .product-item img{
        height: 220px;
    }
}