* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: "Microsoft YaHei";
    background: linear-gradient(135deg, #85d2fe 0%, #66b6f8 50%, #489bf0 100%);
}

.content {
    z-index: 1;
    position: relative;
    text-align: center;
    margin-top: 100px;
}

.content h1 {
    font-size: 48px;
    color: #e66465;
    margin-bottom: 20px;
}

.content p {
    font-size: 20px;
    color: #666;
}

/* 樱花特效 */
:root {
    --cherry-max-count: 80;
    --cherry-create-interval: 150;
    --cherry-min-size: 8px;
    --cherry-max-size: 18px;
    --cherry-min-speed: 8s;
    --cherry-max-speed: 20s;
    --cherry-min-opacity: 0.6;
    --cherry-max-opacity: 0.9;
    --cherry-base-r: 255;
    --cherry-g-min: 180;
    --cherry-g-max: 230;
    --cherry-b-min: 170;
    --cherry-b-max: 250;
    --cherry-wind-offset: 50px;
}

#cherryBlossomContainer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.cherry-blossom {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #ffc0cb;
    border-radius: 50% 50% 50% 0;
    opacity: 0.7;
    transform: rotate(-45deg);
    animation: cherryFall linear infinite;
}

@keyframes cherryFall {
    0% {
        transform: translate(0, -20px) rotate(-45deg) scale(0.8);
        opacity: 1;
    }
    100% {
        transform: translate(var(--cherry-wind-offset), 100vh) rotate(315deg) scale(1.2);
        opacity: 0;
    }
}

/* 导航栏：左中右结构【最高层级置顶】 */
#navigation {
    position: fixed;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    height: 7%;
    min-height: 60px;
    background-color: #faf5f5;
    top: 0;
    left: 0;
    z-index: 99999;
    transition: opacity 0.3s ease;
    padding: 0 2%;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
    opacity: 1;
    gap: 30px;
}

#navigation-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

#companylogo {
    height: 80%;
    max-height: 50px;
    cursor: pointer;
}

#companyname {
    font-size: 140%;
    cursor: pointer;
}

#nav-btn-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

#nav-right-contact {
    display: flex;
    align-items: center;
    margin-left: auto;
}

#navigation button {
    border: none;
    background: transparent;
    color: #333;
    cursor: pointer;
    padding: 8px 15px;
    transition: color 0.3s ease;
    font-size: 110%;
}

#navigation button:hover {
    color: #e66465;
}

#homepage,
#plJump-button {
    font-size: 130%;
}

/* 联系方式弹窗 */
#tel-div {
    position: fixed;
    top: 65px;
    right: 2%;
    display: none;
    width: 200px;
    padding: 15px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 999999;
    text-align: center;
}

#tel-div::before {
    content: '';
    position: absolute;
    top: -10px;
    right: 40px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid #fff;
}

#tel-phone {
    color: #4b4f5c;
}

/* 备用登录框 */
#search-box {
    width: fit-content;
    height: fit-content;
    z-index: 99999;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    background: rgba(255, 250, 250, 0.95);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(230, 100, 101, 0.15);
    backdrop-filter: blur(5px);
    position: relative;
}

#username,
#password {
    width: 300px;
    height: 40px;
    padding: 0 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    outline: none;
    background: #fff;
    font-size: 14px;
}

#username::placeholder,
#password::placeholder {
    color: #c9a7b0;
    font-size: 14px;
    opacity: 0.8;
}

#username:focus,
#password:focus {
    border-color: #e66465;
    box-shadow: 0 0 5px rgba(230, 100, 101, 0.3);
}

#log {
    width: 100px;
    height: 40px;
    margin-top: 4px;
    border: none;
    border-radius: 4px;
    background: #e66465;
    color: #f5f3f3;
    font-size: 16px;
    font-family: "Microsoft YaHei";
    cursor: pointer;
    transition: all 0.3s ease;
}

#log:hover {
    background: #d45556;
    box-shadow: 0 2px 8px rgba(230, 100, 101, 0.3);
    transform: translateY(-1px);
    color: #f1f1f1;
}

#log:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(230, 100, 101, 0.2);
}

/* 首屏区域 */
#pl-div {
    width: 100%;
    margin: 100px auto 0;
    z-index: 9998;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-bottom: 80px;
}

#pl-div-topic {
    font-size: 50px;
    margin-bottom: 20px;
    z-index: 9998;
    background: linear-gradient(135deg, #3963ec, #3963ec, #3963ec);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

#introducevideo-button {
    padding: 10px 24px;
    font-size: 18px;
    background-color: #fcfbfb;
    color: rgb(24, 23, 23);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 9998;
}

#introducevideo-button:hover {
    background-color: #3bf8f8;
    color: #f0ecec;
    transform: translateY(-2px);
}

#pl-div-img {
    width: 88%;
    max-width: 1400px;
    z-index: 9998;
    border-radius: 10px;
    margin-top: 20px;
    margin-bottom: 10px;
    display: block;
    position: relative;
    top: 0;
}

/* 内容容器 */
#content-div {
    width: 100%;
    z-index: 9997;
    position: relative;
}

#contrast-div {
    width: 100%;
    background-color: #ffffff;
    text-align: center;
    padding: 100px 0;
}

#contrast-picture {
    width: 70%;
}

/* 基础信息模块 */
#salecontent-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 110px 5%;
    gap: 50px;
    background-color: #ffffff;
}
.sale-text-wrap {
    flex: 1;
    text-align: left;
}
.sale-text-wrap h2 {
    font-size: 42px;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 26px;
}
.sale-text-wrap p {
    font-size: 20px;
    line-height: 1.7;
    color: #444444;
    margin-bottom: 34px;
}
.try-btn {
    background: #73aed8;
    color: #ffffff;
    border: none;
    font-size: 20px;
    padding: 14px 32px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.try-btn:hover {
    background: #5899c7;
    transform: translateY(-2px);
}
.sale-img-wrap {
    flex: 1.5;
}
#salecontent-picture {
    width: 100%;
    display: block;
}

/* 价格模块 */
#price-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 110px 5%;
    gap: 50px;
    background-color: #ffffff;
}
.price-img-wrap {
    flex: 1.5;
}
#price-picture {
    width: 100%;
    display: block;
}
.price-text-wrap {
    flex: 1;
    text-align: right;
}
.price-text-wrap h2 {
    font-size: 42px;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 26px;
}
.price-text-wrap p {
    font-size: 20px;
    line-height: 1.7;
    color: #444444;
}

/* 销售订单模块 */
#order-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 110px 5%;
    gap: 50px;
    background-color: #ffffff;
}
.order-text-wrap {
    flex: 1;
    text-align: left;
}
.order-text-wrap h2 {
    font-size: 42px;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 26px;
}
.order-text-wrap p {
    font-size: 20px;
    line-height: 1.7;
    color: #444444;
    margin-bottom: 34px;
}
.order-img-wrap {
    flex: 1.5;
}
#order-picture {
    width: 100%;
    display: block;
}

/* 生产计划模块 */
#supply-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 110px 5%;
    gap: 50px;
    background-color: #ffffff;
}
.supply-img-wrap {
    flex: 1.5;
}
#supply-picture {
    width: 100%;
    display: block;
}
.supply-text-wrap {
    flex: 1;
    text-align: right;
}
.supply-text-wrap h2 {
    font-size: 42px;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 26px;
}
.supply-text-wrap p {
    font-size: 20px;
    line-height: 1.7;
    color: #444444;
}

/* 物料采购模块 */
#purchase-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 110px 5%;
    gap: 50px;
    background-color: #ffffff;
}
.purchase-text-wrap {
    flex: 1;
    text-align: left;
}
.purchase-text-wrap h2 {
    font-size: 42px;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 26px;
}
.purchase-text-wrap p {
    font-size: 20px;
    line-height: 1.7;
    color: #444444;
}
.purchase-img-wrap {
    flex: 1.5;
}
#purchase-picture {
    width: 100%;
    display: block;
}

/* 设备维保模块【新增】左图右文字 */
#equipment-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 110px 5%;
    gap: 50px;
    background-color: #ffffff;
}
.equipment-img-wrap {
    flex: 1.5;
}
#equipment-picture {
    width: 100%;
    display: block;
}
.equipment-text-wrap {
    flex: 1;
    text-align: right;
}
.equipment-text-wrap h2 {
    font-size: 42px;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 26px;
}
.equipment-text-wrap p {
    font-size: 20px;
    line-height: 1.7;
    color: #444444;
}

/* =====仓库信息展示模块 白底｜文字左 图片右===== */
#warehouse-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 110px 5%;
    gap: 50px;
    background-color: #ffffff;
}

.warehouse-text-wrap {
    flex: 1;
    text-align: left;
}

.warehouse-text-wrap h2 {
    font-size: 42px;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 26px;
}

.warehouse-text-wrap p {
    font-size: 20px;
    line-height: 1.7;
    color: #444444;
}

.warehouse-img-wrap {
    flex: 1.5;
}

#warehouse-picture {
    width: 100%;
    display: block;
}

/* =====底部信息栏 横向排版｜全部文字统一灰色、字号一致===== */
#footer-div {
    width: 100%;
    background-color: #ffffff;
    border-top: 1px solid #eee;
    padding: 22px 5%;
    text-align: center;
}

.footer-content {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-content span {
    font-size: 15px;
    color: #b6b3b3; /*统一灰色*/
    font-weight: normal; /*取消加粗*/
}

/* 外层包裹容器，继承flex横向布局 */
.fade-wrap{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:50px;
}

/* 上浮动画初始状态 */
.fade-up-item {
    opacity: 0;
    transform: translateY(40px); /* 初始向下偏移40px，往上浮 */
    transition: opacity 0.9s ease, transform 0.9s ease;
}
/* 触发后样式 */
.fade-up-item.show {
    opacity: 1;
    transform: translateY(0);
}

/* 移动端适配 */
@media screen and (max-width: 900px) {
    /* 移动端wrap改成纵向排列 */
    .fade-wrap{
        flex-direction: column !important;
    }

    #nav-btn-group {
        display: none;
    }
    #salecontent-div {
        flex-direction: column;
        padding: 75px 4%;
    }
    .sale-text-wrap {
        text-align: center;
    }
    .sale-text-wrap h2 {
        font-size: 32px;
    }
    #pl-div-topic {
        font-size: 32px;
    }
    #pl-div-img {
        width: 96%;
    }
    #price-div {
        flex-direction: column-reverse;
        padding: 75px 4%;
    }
    .price-text-wrap {
        text-align: center;
    }
    .price-text-wrap h2 {
        font-size: 32px;
    }
    #order-div {
        flex-direction: column;
        padding: 75px 4%;
    }
    .order-text-wrap {
        text-align: center;
    }
    .order-text-wrap h2 {
        font-size: 32px;
    }
    #supply-div {
        flex-direction: column-reverse;
        padding: 75px 4%;
    }
    .supply-text-wrap {
        text-align: center;
    }
    .supply-text-wrap h2 {
        font-size: 32px;
    }
    #purchase-div {
        flex-direction: column;
        padding: 75px 4%;
    }
    .purchase-text-wrap {
        text-align: center;
    }
    .purchase-text-wrap h2 {
        font-size: 32px;
    }
    /* 设备模块移动端 */
    #equipment-div {
        flex-direction: column-reverse;
        padding: 75px 4%;
    }
    .equipment-text-wrap {
        text-align: center;
    }
    .equipment-text-wrap h2 {
        font-size: 32px;
    }
    /*仓库模块移动端*/
    #warehouse-div {
        flex-direction: column;
        padding:75px 4%;
    }
    .warehouse-text-wrap{
        text-align:center;
    }
    .warehouse-text-wrap h2{
        font-size:32px;
    }
}