/* ============================================================
   model.css — 私有化大模型页独立版式
   色调与站点一致（#4679ea 蓝系），版式与组件为页面独立设计
   ============================================================ */

/* ---------- 通用 ---------- */
.model-sec{
    padding: 92px 0;
}
.model-sec.bg{
    background: #f5f7fc;
}
.model-wrap{
    width: 1280px;
    max-width: 92%;
    margin: 0 auto;
}
.model-head{
    text-align: center;
    margin-bottom: 64px;
}
.model-head .kicker{
    display: inline-block;
    font-size: 13px;
    letter-spacing: 4px;
    color: #4679ea;
    border: 1px solid #b9cbff;
    border-radius: 20px;
    padding: 5px 18px;
    margin-bottom: 20px;
}
.model-head h2{
    font-size: 32px;
    color: #222;
    line-height: 48px;
}
.model-head h2 em{
    font-style: normal;
    color: #4679ea;
}
.model-head p{
    font-size: 15px;
    color: #888;
    line-height: 28px;
    margin-top: 10px;
}

/* ---------- 横幅 ---------- */
.model-banner{
    position: relative;
    background: linear-gradient(135deg,#0a1836 0%,#16296b 48%,#2f5bd6 100%);
    overflow: hidden;
}
.model-banner .grid{
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 64px),
        repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 64px);
}
.model-banner .glow{
    position: absolute;
    width: 640px;
    height: 640px;
    border-radius: 50%;
    right: -180px;
    top: -260px;
    background: radial-gradient(circle,rgba(120,160,255,.4) 0%,transparent 65%);
}
.model-banner .ring{
    position: absolute;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 50%;
}
.model-banner .ring.r1{ width: 380px; height: 380px; right: 6%; bottom: -190px; }
.model-banner .ring.r2{ width: 560px; height: 560px; right: 2%; bottom: -280px; }
.model-banner .inner{
    position: relative;
    width: 1280px;
    max-width: 92%;
    margin: 0 auto;
    padding: 128px 0 118px;
}
.model-banner .tag{
    display: inline-block;
    font-size: 12px;
    letter-spacing: 5px;
    color: #cfdcff;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 2px;
    padding: 6px 14px;
    margin-bottom: 26px;
}
.model-banner h1{
    font-size: 52px;
    color: #fff;
    line-height: 74px;
    letter-spacing: 2px;
}
.model-banner .sub{
    font-size: 17px;
    color: rgba(255,255,255,.82);
    line-height: 34px;
    margin: 18px 0 40px;
    max-width: 640px;
}
.model-banner .chips{
    font-size: 0;
}
.model-banner .chips span{
    display: inline-block;
    font-size: 14px;
    color: #fff;
    line-height: 20px;
    border: 1px solid rgba(255,255,255,.4);
    border-radius: 24px;
    padding: 8px 22px;
    margin: 0 14px 12px 0;
    background: rgba(255,255,255,.08);
}

/* ---------- 概述：左文右数据 ---------- */
.model-intro{
    display: flex;
    align-items: center;
}
.model-intro .txt{
    flex: 1.15;
    padding-right: 70px;
}
.model-intro .txt h2{
    font-size: 30px;
    color: #222;
    line-height: 46px;
    padding-left: 18px;
    border-left: 4px solid #4679ea;
    margin-bottom: 26px;
}
.model-intro .txt p{
    font-size: 15px;
    color: #666;
    line-height: 28px;
    margin-bottom: 14px;
}
.model-intro .txt .marks{
    margin-top: 26px;
}
.model-intro .txt .marks span{
    display: inline-block;
    font-size: 14px;
    color: #2f5bd6;
    background: #edf2ff;
    border-radius: 4px;
    padding: 7px 16px;
    margin: 0 10px 10px 0;
}
.model-intro .txt .marks span:before{
    content: "\2713";
    margin-right: 8px;
    color: #4679ea;
    font-weight: bold;
}
.model-stats{
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    border: 1px solid #e6e9f2;
    border-radius: 10px;
    overflow: hidden;
}
.model-stats li{
    width: 50%;
    padding: 44px 20px;
    text-align: center;
    background: #fff;
}
.model-stats li:nth-child(2n){
    border-left: 1px solid #e6e9f2;
}
.model-stats li:nth-child(n+3){
    border-top: 1px solid #e6e9f2;
}
.model-stats .num{
    font-size: 40px;
    color: #4679ea;
    line-height: 52px;
    font-weight: bold;
}
.model-stats .num i{
    font-style: normal;
    font-size: 20px;
}
.model-stats p{
    font-size: 14px;
    color: #666;
    line-height: 24px;
}

/* ---------- 核心能力卡片 ---------- */
.model-feat-list{
    display: flex;
    flex-wrap: wrap;
    margin: 0 -14px;
}
.model-feat-list li{
    width: calc(25% - 28px);
    margin: 0 14px 28px;
    background: #fff;
    border: 1px solid #e6e9f2;
    border-radius: 8px;
    padding: 38px 26px 34px;
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.model-feat-list li:hover{
    transform: translateY(-8px);
    box-shadow: 0 14px 34px rgba(47,91,214,.14);
    border-color: #b9cbff;
}
.model-feat-list .ico{
    width: 58px;
    height: 58px;
    border-radius: 12px;
    background: #edf2ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}
.model-feat-list .ico svg{
    width: 28px;
    height: 28px;
    stroke: #4679ea;
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.model-feat-list h3{
    font-size: 18px;
    color: #222;
    line-height: 30px;
    margin-bottom: 12px;
}
.model-feat-list p{
    font-size: 13px;
    color: #777;
    line-height: 23px;
}

/* ---------- 架构分层（深色区） ---------- */
.model-arch{
    background: linear-gradient(160deg,#0b1a3d 0%,#152a6b 100%);
    padding: 92px 0;
}
.model-arch .model-head h2,
.model-arch .model-head p{
    color: #fff;
}
.model-arch .model-head p{
    color: rgba(255,255,255,.6);
}
.model-arch .model-head .kicker{
    color: #cfdcff;
    border-color: rgba(255,255,255,.3);
}
.model-arch .stage{
    max-width: 980px;
    margin: 0 auto;
}
.model-arch .layer{
    display: flex;
    align-items: stretch;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 8px;
    margin-bottom: 34px;
    overflow: hidden;
}
.model-arch .layer .name{
    width: 168px;
    flex: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(70,121,234,.35);
    border-right: 1px solid rgba(255,255,255,.22);
    padding: 22px 10px;
}
.model-arch .layer .name b{
    font-size: 18px;
    color: #fff;
    font-weight: normal;
}
.model-arch .layer .name span{
    font-size: 11px;
    letter-spacing: 2px;
    color: rgba(255,255,255,.55);
    margin-top: 8px;
}
.model-arch .layer .items{
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    padding: 18px 22px;
}
.model-arch .layer .items span{
    font-size: 14px;
    color: #e8efff;
    line-height: 22px;
    border: 1px solid rgba(255,255,255,.28);
    border-radius: 4px;
    padding: 8px 16px;
    margin: 6px;
    background: rgba(255,255,255,.06);
}
.model-arch .link{
    width: 0;
    height: 0;
    margin: -22px auto 12px;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 10px solid rgba(161,188,255,.75);
}
.model-arch .rail{
    max-width: 980px;
    margin: 40px auto 0;
    text-align: center;
    font-size: 0;
}
.model-arch .rail span{
    display: inline-block;
    font-size: 14px;
    color: #dfe8ff;
    line-height: 24px;
    padding: 10px 26px;
    margin: 8px;
    border-radius: 30px;
    border: 1px dashed rgba(161,188,255,.6);
}

/* ---------- 部署模式 ---------- */
.model-deploy-list{
    display: flex;
    flex-wrap: wrap;
    margin: 0 -14px;
}
.model-deploy-list > li{
    position: relative;
    overflow: hidden;
    width: calc(33.333% - 28px);
    margin: 0 14px 28px;
    background: #fff;
    border: 1px solid #e6e9f2;
    border-radius: 14px;
    padding: 30px 28px 28px;
    box-sizing: border-box;
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.model-deploy-list > li:before{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg,#4679ea,#7fa4f4);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .35s ease;
}
.model-deploy-list > li:after{
    content: "";
    position: absolute;
    right: -46px;
    top: -46px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle,rgba(70,121,234,.12) 0%,transparent 68%);
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}
.model-deploy-list > li:hover{
    transform: translateY(-6px);
    border-color: #bcd0fb;
    box-shadow: 0 18px 40px rgba(70,121,234,.15);
}
.model-deploy-list > li:hover:before{
    transform: scaleX(1);
}
.model-deploy-list > li:hover:after{
    opacity: 1;
}
.model-deploy-list .hd{
    display: flex;
    align-items: center;
    margin-bottom: 14px;
}
.model-deploy-list .ico{
    width: 52px;
    height: 52px;
    flex: none;
    border-radius: 12px;
    background: linear-gradient(135deg,#edf3ff 0%,#dde8ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    transition: background .3s, box-shadow .3s;
}
.model-deploy-list > li:hover .ico{
    background: linear-gradient(135deg,#4679ea 0%,#6f95f0 100%);
    box-shadow: 0 8px 16px rgba(70,121,234,.32);
}
.model-deploy-list .ico svg{
    width: 25px;
    height: 25px;
    stroke: #4679ea;
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke .3s;
}
.model-deploy-list > li:hover .ico svg{
    stroke: #fff;
}
.model-deploy-list h3{
    font-size: 18px;
    color: #1f2b4d;
    line-height: 26px;
    font-weight: 600;
}
.model-deploy-list .desc{
    font-size: 13px;
    color: #777;
    line-height: 23px;
    padding-bottom: 18px;
    border-bottom: 1px dashed #e2e7f4;
    margin-bottom: 18px;
}
.model-deploy-list ul li{
    position: relative;
    font-size: 13px;
    color: #4a5f8f;
    line-height: 20px;
    padding-left: 27px;
    margin-bottom: 11px;
}
.model-deploy-list ul li:last-child{
    margin-bottom: 0;
}
.model-deploy-list ul li:before{
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #edf2ff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234679ea' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/9px 8px no-repeat;
}

/* ---------- 应用场景 ---------- */
.model-scene-list{
    display: flex;
    flex-wrap: wrap;
    margin: 0 -14px;
}
.model-scene-list li{
    width: calc(33.333% - 28px);
    margin: 0 14px 28px;
    padding: 26px 26px 24px;
    border-left: 3px solid #d5dffb;
    background: #fff;
    transition: border-color .3s;
}
.model-scene-list li:hover{
    border-left-color: #4679ea;
}
.model-scene-list .no{
    font-size: 26px;
    color: #d5dffb;
    font-weight: bold;
    line-height: 34px;
    font-family: Georgia, serif;
}
.model-scene-list h3{
    font-size: 17px;
    color: #222;
    line-height: 28px;
    margin: 6px 0 10px;
}
.model-scene-list p{
    font-size: 13px;
    color: #777;
    line-height: 23px;
}

/* ---------- 交付流程 ---------- */
.model-steps{
    position: relative;
    display: flex;
    max-width: 1180px;
    margin: 0 auto;
}
.model-steps:before{
    content: "";
    position: absolute;
    top: 27px;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg,transparent,#b9cbff 12%,#b9cbff 88%,transparent);
}
.model-steps li{
    position: relative;
    flex: 1;
    text-align: center;
}
.model-steps .dot{
    position: relative;
    z-index: 1;
    width: 54px;
    height: 54px;
    line-height: 50px;
    text-align: center;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #4679ea;
    color: #4679ea;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 0 0 6px #f5f7fc;
}
.model-steps li:hover .dot{
    background: #4679ea;
    color: #fff;
}
.model-steps h4{
    font-size: 15px;
    color: #333;
    line-height: 26px;
    font-weight: normal;
}
.model-steps p{
    font-size: 12px;
    color: #999;
    line-height: 20px;
    padding: 0 10px;
}

/* ---------- 商务合作 ---------- */
.model-cta{
    background: linear-gradient(120deg,#16296b 0%,#2f5bd6 100%);
    padding: 88px 0;
}
.model-cta .wrap{
    display: flex;
    align-items: center;
}
.model-cta .txt{
    flex: 1;
    padding-right: 70px;
}
.model-cta .txt h2{
    font-size: 30px;
    color: #fff;
    line-height: 48px;
}
.model-cta .txt p{
    font-size: 15px;
    color: rgba(255,255,255,.78);
    line-height: 28px;
    margin-top: 16px;
}
.model-cta .txt .tel{
    display: inline-block;
    margin-top: 30px;
    font-size: 22px;
    color: #fff;
    border-left: 3px solid rgba(255,255,255,.5);
    padding-left: 16px;
}
.model-cta .txt .tel small{
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,.6);
    margin-bottom: 4px;
}
.model-form{
    width: 460px;
    flex: none;
    background: #fff;
    border-radius: 10px;
    padding: 38px 36px 34px;
    box-shadow: 0 18px 50px rgba(6,16,48,.35);
}
.model-form h3{
    font-size: 20px;
    color: #222;
    line-height: 32px;
    margin-bottom: 22px;
}
.model-form input,
.model-form textarea{
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #e0e5f2;
    border-radius: 6px;
    background: #f8faff;
    padding: 12px 14px;
    font-size: 14px;
    color: #333;
    line-height: 22px;
    margin-bottom: 14px;
    outline: none;
    transition: border-color .3s, background .3s;
}
.model-form input:focus,
.model-form textarea:focus{
    border-color: #4679ea;
    background: #fff;
}
.model-form textarea{
    height: 86px;
    resize: none;
}
.model-form .btn{
    margin-top: 6px;
}
.model-form .btn input{
    width: 100%;
    margin: 0;
    border: none;
    border-radius: 6px;
    background: linear-gradient(90deg,#2f5bd6,#4679ea);
    color: #fff;
    font-size: 16px;
    line-height: 24px;
    padding: 13px 0;
    cursor: pointer;
    transition: opacity .3s;
}
.model-form .btn input:hover{
    opacity: .88;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width: 1200px){
    .model-feat-list li{
        width: calc(50% - 28px);
    }
}
@media screen and (max-width: 992px){
    .model-intro{
        display: block;
    }
    .model-intro .txt{
        padding-right: 0;
        margin-bottom: 44px;
    }
    .model-deploy-list > li,
    .model-scene-list li{
        width: calc(50% - 28px);
    }
    .model-cta .wrap{
        display: block;
    }
    .model-cta .txt{
        padding-right: 0;
        margin-bottom: 40px;
    }
    .model-form{
        width: 100%;
        max-width: 520px;
        margin: 0 auto;
    }
}
@media screen and (max-width: 768px){
    .model-banner h1{
        font-size: 34px;
        line-height: 52px;
    }
    .model-banner .inner{
        padding: 86px 0 78px;
    }
    .model-head h2{
        font-size: 26px;
    }
    .model-steps{
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    .model-steps:before{
        display: none;
    }
    .model-steps li{
        flex: none;
        width: 33.333%;
        margin-bottom: 30px;
    }
    .model-arch .layer{
        display: block;
    }
    .model-arch .layer .name{
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,.22);
        padding: 14px;
    }
}
@media screen and (max-width: 560px){
    .model-sec{
        padding: 64px 0;
    }
    .model-feat-list li,
    .model-deploy-list > li,
    .model-scene-list li{
        width: 100%;
        margin: 0 0 22px;
    }
    .model-stats li{
        width: 100%;
        padding: 28px 10px;
    }
    .model-stats li:nth-child(2n){
        border-left: none;
    }
    .model-stats li:nth-child(n+2){
        border-top: 1px solid #e6e9f2;
    }
    .model-stats .num{
        font-size: 32px;
        line-height: 42px;
    }
    .model-steps li{
        width: 50%;
    }
    .model-form{
        padding: 28px 20px 24px;
    }
}

/* ---------- 国产大模型矩阵 ---------- */
.model-brands{
    display: flex;
    flex-wrap: wrap;
    margin: 0 -14px;
}
.model-brands li{
    width: calc(25% - 28px);
    margin: 0 14px 28px;
    background: #fff;
    border: 1px solid #e6e9f2;
    border-radius: 8px;
    padding: 24px 22px 20px;
    box-sizing: border-box;
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.model-brands li:hover{
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(47,91,214,.13);
    border-color: #b9cbff;
}
.model-brands .bd{
    display: flex;
    align-items: center;
    margin-bottom: 14px;
}
.model-brands .mon{
    width: 48px;
    height: 48px;
    flex: none;
    border-radius: 10px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 14px;
    overflow: hidden;
    border: 1px solid #e6e9f2;
}
.model-brands .mon img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.model-brands .nm h3{
    font-size: 16px;
    color: #222;
    line-height: 24px;
}
.model-brands .nm p{
    font-size: 12px;
    color: #99a4c0;
    line-height: 18px;
}
.model-brands .desc{
    font-size: 12px;
    color: #777;
    line-height: 21px;
    min-height: 84px;
    margin-bottom: 14px;
}
.model-brands .tg{
    font-size: 0;
}
.model-brands .tg span{
    display: inline-block;
    font-size: 11px;
    line-height: 18px;
    border-radius: 3px;
    padding: 3px 10px;
    margin: 0 6px 6px 0;
}
.model-brands .tg .t-open{
    background: #4679ea;
    color: #fff;
}
.model-brands .tg .t-half{
    background: #e7edff;
    color: #2f5bd6;
}
.model-brands .tg .t-api{
    border: 1px solid #ccd6ef;
    color: #7787ad;
}
.model-brands .tg .t-ind{
    background: #eef1f7;
    color: #66708c;
}
.model-brands-note{
    text-align: center;
    font-size: 13px;
    color: #98a1b8;
    line-height: 24px;
    max-width: 760px;
    margin: 10px auto 0;
}
@media screen and (max-width: 1200px){
    .model-brands li{
        width: calc(50% - 28px);
    }
}
@media screen and (max-width: 560px){
    .model-brands li{
        width: 100%;
        margin: 0 0 22px;
    }
    .model-brands .desc{
        min-height: 0;
    }
}