/* ========== 关于我们内容 ========== */
#us {
    width: 90%;
    max-width: 1400px;
    margin: 120px auto 60px;
    display: flex;
    gap: 40px;
    align-items: center;
}

#us1 {
    flex: 1;
}

#us1 h1 {
    font-size: 35px;
    font-weight: 800;
    margin-bottom: 10px;
}

#us1 #p1 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
}

#us1 #p2 {
    font-size: 12px;
    color: #666;
    margin-bottom: 20px;
}

#us1 p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: justify;
}

.us-img {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.us-img img {
    max-width: 600px;
    width: 100%;
    height: auto;
}
/* ========== 关于我们内容 ========== */




/* ========== 墨水页面 ========== */
#uvink {
    width: 100%;
    padding: 40px 0;
}

#uvink #inkseries {
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
}

#uvink #inkseries h1 {
    font-size: 35px;
    margin-bottom: 10px;
    font-weight: bold;
}

#uvink #conink {
    width: 100%;
    margin: 0 auto;
    max-width: 1300px;
}

#uvink #conink h1 {
    font-size: 35px;
    margin: 30px 0 10px;
    font-weight: bold;
}

#uvink #conink p {
    margin-bottom: 20px;
    font-size: 17px;
}

#uvink #conink #coninka {
    width: 100%;
    /*display: flex;
    flex-wrap: wrap;
    gap: 25px;*/
    margin-bottom: 30px;
    height: auto;overflow: hidden;
}

#uvink #conink #coninka div {
    width:23%;float: left;
    border-radius: 20px;
    overflow: hidden;
    margin:20px 1%;
    box-shadow: 0 0 10px #ccc;
}

#uvink #conink #coninka div img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 18px 18px 0 0;
}

#uvink #conink #coninka div h2 {
    margin: 15px 20px 10px;
    font-size: 20px;
    font-weight: bold;
}

#uvink #conink #coninka div p {
    margin: 10px 20px;
    line-height: 1.4;
    font-size: 15px;
}

#uvink #conink #coninka div span {
    display: inline-block;
    font-size: 12px;
    border: 1px solid #8f8f8f;
    padding: 2px 10px;
    border-radius: 20px;
    margin: 0 0 8px 18px;
}

/* ========== 联系我们 ========== */
#contactus {
    width: 90%;
    max-width: 1400px;
    margin: 120px auto 60px;
    display: flex;
    gap: 50px;
    align-items: flex-start;
}

#conn {
    flex: 1;
    padding: 20px 0;
}

#conn h2 {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 15px;
}

#conn > p {
    font-size: 17px;
    color: #333;
    margin-bottom: 30px;
    line-height: 1.6;
}

.conna {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 30px;
}

.conna img {
    width: 24px !important;
    height: 24px !important;
    margin-top: 5px;
    object-fit: contain;
}

.conna h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.conna p {
    font-size: 16px;
    color: #333;
    line-height: 1.5;
}

.connc {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.connc a img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

/* ========== 表单 ========== */
#conm {
    flex: 1;
    background: #1e1e1e;
    color: #fff;
    padding: 35px;
    border-radius: 20px;
}

#conm h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.form-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.form-item {
    flex: 1;
}

.form-item label {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    color:#fff;
}

.form-item input,
.form-item select,
.form-item textarea {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 6px;
    background: #2d2d2d;
    color: #fff;
    font-size: 16px;
}

.form-full {
    width: 100%;
    margin-bottom: 25px;
}

.form-full textarea {
    height: 140px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 30px;
    background: #007bff;
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s;
}

.submit-btn:hover {
    background: #0056b3;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 90px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 90px);
        background: #fff;
        flex-direction: column;
        align-items: center;
        padding-top: 30px;
        transition: 0.3s;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-menu li {
        height: 60px;
    }
    .menu-btn {
        display: block;
    }
    #product {
        flex-direction: column;
    }
    #stara {
        width: 100%;
    }

    #uvink #conink {
        width:900px;
        max-width:900px;
    }
}

@media (max-width: 768px) {
    #star h1, #tech h1, #recom h1 {
        font-size: 32px;
    }
    #recomn div, #recomm div {
        min-width: 100%;
    }

    #uvink #conink {
        max-width:90%;
    }
}

@media (max-width: 576px) {
    #us{
        display: block;
    }
    #contactus{
        display: block;
    }

    #uvink #conink {
        max-width:90%;
    }
    #uvink #conink #coninka div{
        flex: none;
        width:94%;
        margin:20px 3%;
    }
}