body{
    background:#f5f7fb;
    color:#1d1d1f;
}

.biji-detail-hero{
    background:linear-gradient(135deg,#0f3b82,#173d74);
    color:#fff;
    padding:42px 0 54px;
}

.biji-detail-crumb{
    display:inline-flex;
    gap:8px;
    flex-wrap:wrap;
    margin-bottom:18px;
    color:rgba(255,255,255,.82);
    font-size:14px;
}

.biji-detail-crumb a{
    color:rgba(255,255,255,.92);
    text-decoration:none;
}

.biji-detail-badge{
    display:inline-block;
    margin-bottom:14px;
    padding:7px 12px;
    border-radius:999px;
    background:rgba(255,255,255,.14);
    font-size:13px;
    font-weight:700;
}

.biji-detail-hero h1{
    margin:0 0 14px;
    font-size:clamp(30px,4vw,48px);
    line-height:1.16;
    letter-spacing:-.03em;
}

.biji-detail-meta{
    display:flex;
    gap:10px 14px;
    flex-wrap:wrap;
}

.biji-detail-meta span{
    padding:8px 12px;
    border-radius:999px;
    background:rgba(255,255,255,.10);
    font-size:14px;
}

.biji-detail-page{
    padding:30px 0 72px;
}

.biji-detail-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr) 300px;
    gap:22px;
    align-items:start;
}

.biji-detail-main{
    min-width:0;
}

.biji-detail-card{
    background:#fff;
    border-radius:26px;
    box-shadow:0 16px 48px rgba(15,59,130,.08);
    padding:34px 34px 40px;
    overflow:hidden;
}

.biji-detail-lead{
    max-width:860px;
    margin:0 auto 24px;
    padding:0 0 22px;
    border-bottom:1px solid #edf1f6;
    font-size:18px;
    line-height:1.95;
    color:#36383c;
}

.biji-rich-content{
    max-width:860px;
    margin:0 auto;
    font-size:18px;
    line-height:2;
    color:#2f3440;
    word-break:break-word;
}

.biji-rich-content > *:first-child{
    margin-top:0 !important;
}

.biji-rich-content > *:last-child{
    margin-bottom:0 !important;
}

.biji-rich-content p{
    margin:0 0 1.3em;
    color:#353942;
}

.biji-rich-content a{
    color:#0f3b82;
    text-decoration:none;
    border-bottom:1px solid rgba(15,59,130,.18);
}

.biji-rich-content a:hover{
    border-bottom-color:#0f3b82;
}

.biji-rich-content h2{
    margin:52px 0 18px;
    font-size:30px;
    line-height:1.45;
    font-weight:800;
    color:#142b57;
    letter-spacing:-.02em;
}

.biji-rich-content h2::after{
    content:"";
    display:block;
    width:46px;
    height:4px;
    margin-top:12px;
    border-radius:999px;
    background:#0f3b82;
}

.biji-rich-content h3{
    margin:34px 0 14px;
    font-size:22px;
    line-height:1.6;
    font-weight:700;
    color:#1f2735;
}

.biji-rich-content ul,
.biji-rich-content ol{
    margin:0 0 1.5em;
    padding-left:1.45em;
}

.biji-rich-content li{
    margin:0 0 .72em;
    line-height:1.95;
}

.biji-rich-content blockquote{
    margin:28px 0;
    padding:18px 20px;
    border-left:4px solid #0f3b82;
    background:#f7faff;
    color:#5c6472;
    border-radius:0 16px 16px 0;
}

.biji-rich-content blockquote p:last-child{
    margin-bottom:0;
}

.biji-rich-content hr{
    border:none;
    border-top:1px solid #e8edf4;
    margin:38px 0;
}

.biji-rich-content img{
    display:block;
    width:auto !important;
    max-width:100% !important;
    height:auto !important;
    margin:28px auto;
    border-radius:16px;
    box-shadow:0 8px 26px rgba(15,59,130,.10);
}

.biji-rich-content figure{
    max-width:100%;
    margin:32px auto 34px;
}

.biji-rich-content figure img{
    margin:0 auto 10px;
}

.biji-rich-content figcaption{
    text-align:center;
    font-size:13px;
    line-height:1.7;
    color:#7b8190;
}

.biji-rich-content img + p{
    margin-top:20px;
}

.biji-rich-content img + h2,
.biji-rich-content img + h3{
    margin-top:34px;
}

.biji-rich-content strong,
.biji-rich-content b{
    color:#17233d;
    font-weight:800;
}

.biji-rich-content em,
.biji-rich-content i{
    font-style:italic;
}

.biji-interaction-bar{
    display:flex;
    justify-content:center;
    gap:34px;
    margin:40px auto 8px;
    padding-top:30px;
    border-top:1px solid #edf1f6;
    max-width:860px;
}

.biji-interact-item{
    display:flex;
    flex-direction:column;
    align-items:center;
    position:relative;
    cursor:pointer;
    user-select:none;
}

.biji-circle-btn{
    width:54px;
    height:54px;
    border-radius:50%;
    border:1px solid #d7deea;
    background:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:.25s ease;
    box-shadow:0 4px 14px rgba(15,59,130,.04);
    cursor:pointer;
}

.biji-circle-btn svg{
    width:24px;
    height:24px;
    fill:#8a92a3;
    transition:.25s ease;
}

.biji-circle-btn:hover{
    transform:translateY(-1px);
    border-color:#c7d2e6;
}

.biji-circle-btn.active{
    background:#ff5a6b;
    border-color:#ff5a6b;
}

.biji-circle-btn.active svg{
    fill:#fff;
}

.biji-btn-share:hover,
.biji-btn-share.is-copied{
    background:#0f3b82;
    border-color:#0f3b82;
}

.biji-btn-share:hover svg,
.biji-btn-share.is-copied svg{
    fill:#fff;
}

.biji-badge-count{
    position:absolute;
    top:-8px;
    right:-12px;
    background:#f2f4f8;
    color:#5d6472;
    font-size:11px;
    line-height:1;
    padding:4px 7px;
    border-radius:999px;
}

.biji-interact-label{
    margin-top:10px;
    font-size:13px;
    color:#8b92a0;
    line-height:1.4;
}

.biji-article-pager{
    max-width:860px;
    margin:34px auto 0;
    padding-top:26px;
    border-top:1px solid #edf1f6;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
}

.biji-article-pager__link{
    display:block;
    padding:16px 18px;
    border:1px solid #e7ebf2;
    border-radius:18px;
    background:#fff;
    text-decoration:none;
    transition:.2s ease;
}

.biji-article-pager__link:hover{
    transform:translateY(-1px);
    box-shadow:0 8px 22px rgba(15,59,130,.08);
}

.biji-article-pager__hint{
    display:block;
    font-size:12px;
    color:#7a8290;
    margin-bottom:8px;
}

.biji-article-pager__title{
    display:block;
    font-size:15px;
    line-height:1.7;
    color:#1d1d1f;
    font-weight:700;
}

.biji-article-pager__link.is-next{
    text-align:right;
}

.biji-article-pager__link.is-empty{
    visibility:hidden;
}

.biji-detail-nav{
    margin-top:30px;
    text-align:center;
}

.biji-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding:11px 16px;
    border-radius:12px;
    font-weight:700;
    border:1px solid #e7ebf2;
    background:#fff;
    color:#1d1d1f;
    text-decoration:none;
    transition:.2s ease;
}

.biji-btn:hover{
    transform:translateY(-1px);
    box-shadow:0 8px 22px rgba(15,59,130,.08);
}

.biji-btn--light{
    background:#fff;
    color:#1d1d1f;
    border-color:#e7ebf2;
}

.biji-detail-side{
    position:sticky;
    top:92px;
}

.biji-side-title{
    margin-bottom:12px;
    color:#6e6e73;
    font-size:15px;
    font-weight:800;
}

.biji-side-item{
    padding:14px 0;
    border-bottom:1px solid #e7ebf2;
}

.biji-side-item:last-child{
    border-bottom:none;
}

.biji-side-item strong{
    display:block;
    margin-bottom:6px;
    color:#1d1d1f;
}

.biji-side-item span{
    color:#6e6e73;
    line-height:1.7;
}

@media (max-width:980px){
    .biji-detail-layout{
        grid-template-columns:1fr;
    }

    .biji-detail-side{
        position:static;
        top:auto;
    }
}

@media (max-width:760px){
    .biji-detail-hero{
        padding:34px 0 42px;
    }

    .biji-detail-hero h1{
        font-size:clamp(28px,8vw,38px);
        line-height:1.22;
    }

    .biji-detail-page{
        padding:22px 0 56px;
    }

    .biji-detail-card{
        padding:22px 18px 28px;
        border-radius:22px;
    }

    .biji-detail-lead{
        font-size:16px;
        line-height:1.9;
        margin-bottom:18px;
        padding-bottom:18px;
    }

    .biji-rich-content{
        font-size:16px;
        line-height:1.92;
    }

    .biji-rich-content h2{
        margin:40px 0 16px;
        font-size:24px;
        line-height:1.5;
    }

    .biji-rich-content h3{
        margin:28px 0 12px;
        font-size:19px;
    }

    .biji-rich-content img{
        margin:22px auto;
        border-radius:14px;
    }

    .biji-interaction-bar{
        gap:24px;
        margin:34px auto 6px;
        padding-top:24px;
    }

    .biji-circle-btn{
        width:50px;
        height:50px;
    }

    .biji-article-pager{
        grid-template-columns:1fr;
    }

    .biji-article-pager__link.is-next{
        text-align:left;
    }
}