/* roulang page: index */
:root{
            --color-primary:#2E6FDB;
            --color-primary-light:#EAF1FB;
            --color-primary-dark:#1E4EA6;
            --color-secondary:#2FA8A0;
            --color-accent:#D9A441;
            --color-bg:#F7FAFD;
            --color-surface:#FFFFFF;
            --color-text:#1A2B4C;
            --color-muted:#5B6B85;
            --color-border:#E6EDF6;
            --color-dark:#14243B;
            --radius-card:1rem;
            --radius-btn:.8rem;
            --shadow-card:0 10px 30px rgba(30,64,120,.06);
            --shadow-card-hover:0 18px 40px rgba(30,64,120,.12);
            --section-space:4rem;
        }
        html{scroll-behavior:smooth}
        *{box-sizing:border-box}
        body{
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
            background-color:var(--color-bg);
            color:var(--color-text);
            line-height:1.7;
            margin:0;
        }
        img{max-width:100%;display:block}
        a{text-decoration:none;color:inherit}
        button{cursor:pointer;font-family:inherit}
        input,select,textarea{font-family:inherit}
        .container-x{max-width:80rem;margin-inline:auto;padding-inline:1rem}
        @media(min-width:768px){.container-x{padding-inline:1.5rem}}
        .eyebrow{
            display:inline-flex;align-items:center;gap:.45rem;
            background:var(--color-primary-light);color:var(--color-primary-dark);
            font-size:.8rem;font-weight:600;padding:.3rem .8rem;border-radius:999px;
        }
        .section-space{padding-block:5rem}
        @media(max-width:767px){.section-space{padding-block:3.25rem}}
        .card{
            background:var(--color-surface);border:1px solid var(--color-border);
            border-radius:var(--radius-card);box-shadow:var(--shadow-card);
            transition:transform .25s ease,box-shadow .25s ease;
        }
        .card-link:hover .card{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
        .card-body{padding:1.5rem}
        @media(min-width:768px){.card-body{padding:1.6rem}}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
            border-radius:var(--radius-btn);font-weight:600;font-size:.95rem;
            padding:.65rem 1.1rem;line-height:1.4;border:1px solid transparent;
            transition:all .2s ease;outline:none;
        }
        .btn-primary{background:var(--color-primary);color:#fff}
        .btn-primary:hover{background:var(--color-primary-dark)}
        .btn-primary:active{transform:scale(.98)}
        .btn-secondary{background:#fff;color:var(--color-primary-dark);border-color:#C3D6F2}
        .btn-secondary:hover{background:var(--color-primary-light);border-color:var(--color-primary)}
        .btn-ghost{background:transparent;color:var(--color-primary-dark)}
        .btn-ghost:hover{background:rgba(46,111,219,.08)}
        .btn:focus-visible,.nav-link:focus-visible,a:focus-visible,summary:focus-visible{
            outline:2px solid var(--color-primary);outline-offset:3px;border-radius:4px;
        }
        .nav-link{
            position:relative;color:var(--color-text);font-weight:500;
            font-size:.94rem;padding:.3rem .15rem;transition:color .2s ease;
        }
        .nav-link:after{
            content:"";position:absolute;left:0;right:100%;bottom:-4px;height:3px;
            background:var(--color-primary);border-radius:6px;transition:right .25s ease;
        }
        .nav-link:hover{color:var(--color-primary)}
        .nav-link:hover:after{right:0}
        .nav-link.active{color:var(--color-primary);font-weight:600}
        .nav-link.active:after{right:0}
        .meter-box{
            background:#fff;border:1px solid var(--color-border);border-radius:12px;
            padding:.85rem .9rem;
        }
        .title-link{
            display:flex;justify-content:space-between;align-items:center;gap:1rem;
            border-bottom:1px solid #EEF3F9;padding:.8rem .25rem;transition:background .2s ease;
        }
        .title-link:hover{background:#F3F8FE;color:var(--color-primary)}
        .tag{
            display:inline-flex;align-items:center;gap:.3rem;
            background:#F2F7FC;color:var(--color-muted);
            font-size:.78rem;padding:.25rem .7rem;border-radius:999px;
            border:1px solid #E0EAF6;transition:all .2s ease;
        }
        .tag:hover{background:var(--color-primary-light);color:var(--color-primary-dark)}
        .filter-pill{
            display:inline-block;padding:.25rem .85rem;border-radius:999px;
            background:#EFF4FA;color:var(--color-muted);font-size:.82rem;border:1px solid #DAE6F3;
            transition:all .2s ease;
        }
        .filter-pill:hover{background:var(--color-primary-light);color:var(--color-primary-dark);border-color:#AFC9EF}
        .faq-arrow{transition:transform .3s ease}
        details[open] .faq-arrow{transform:rotate(180deg)}
        details.faq-details{ border-bottom:1px solid #E7EEF6}
        details.faq-details summary{
            list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;
            font-weight:600;cursor:pointer;padding:1.05rem .25rem;color:var(--color-text);
            transition:color .25s ease;
        }
        details.faq-details summary::-webkit-details-marker{display:none}
        details.faq-details summary:hover{color:var(--color-primary)}
        details.faq-details .faq-content{padding:0 .25rem 1.1rem;color:var(--color-muted);font-size:.95rem}
        .footer-link{color:#9FB2C8;transition:color .2s ease}
        .footer-link:hover{color:#fff}
        @media(max-width:1023px){
            .desktop-nav{display:none}
            .mobile-panel{display:block}
        }
        @media(min-width:1024px){
            .mobile-panel{display:none!important}
        }
        .fadeInUp{animation:fadeInUp .55s ease both}
        @keyframes fadeInUp{
            0%{opacity:0;transform:translateY(16px)}
            100%{opacity:1;transform:translateY(0)}
        }
        .cover-img{width:100%;height:100%;object-fit:cover}

/* roulang page: category1 */
:root{
 --color-primary:#2E6FDB;
 --color-primary-light:#EAF1FB;
 --color-primary-dark:#1E4EA6;
 --color-secondary:#2FA8A0;
 --color-accent:#D9A441;
 --color-bg:#F7FAFD;
 --color-surface:#FFFFFF;
 --color-text:#1A2B4C;
 --color-muted:#5B6B85;
 --color-border:#E6EDF6;
 --color-dark:#14243B;
 --radius-card:1rem;
 --radius-btn:.8rem;
 --shadow-card:0 10px 30px rgba(30,64,120,.06);
 --shadow-card-hover:0 18px 40px rgba(30,64,120,.12);
 --section-space:4rem;
}
/* roulang page: category1 */
html{scroll-behavior:smooth}
body{
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 background-color:var(--color-bg);
 color:var(--color-text);
 line-height:1.7;
 margin:0;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;font-family:inherit}
input,select,textarea{font-family:inherit}
.container-x{max-width:80rem;margin-inline:auto;padding-inline:1rem}
@media(min-width:768px){.container-x{padding-inline:1.5rem}}
.eyebrow{
 display:inline-flex;align-items:center;gap:.45rem;
 background:var(--color-primary-light);color:var(--color-primary-dark);
 font-size:.8rem;font-weight:600;padding:.3rem .8rem;border-radius:999px;
}
.section-space{padding-block:5rem}
@media(max-width:767px){.section-space{padding-block:3.25rem}}
.card{
 background:var(--color-surface);border:1px solid var(--color-border);
 border-radius:var(--radius-card);box-shadow:var(--shadow-card);
 transition:transform .25s ease,box-shadow .25s ease;
}
.card-link:hover .card{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.card-body{padding:1.5rem}
@media(min-width:768px){.card-body{padding:1.6rem}}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
 border-radius:var(--radius-btn);font-weight:600;font-size:.95rem;
 padding:.65rem 1.1rem;line-height:1.4;border:1px solid transparent;
 transition:all .2s ease;outline:none;
}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{background:var(--color-primary-dark)}
.btn-primary:active{transform:scale(.98)}
.btn-secondary{background:#fff;color:var(--color-primary-dark);border-color:#C3D6F2}
.btn-secondary:hover{background:var(--color-primary-light);border-color:var(--color-primary)}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,summary:focus-visible{
 outline:2px solid var(--color-primary);outline-offset:3px;border-radius:4px;
}
.nav-link{
 position:relative;color:var(--color-text);font-weight:500;
 font-size:.94rem;padding:.3rem .15rem;transition:color .2s ease;
}
.nav-link:after{
 content:"";position:absolute;left:0;right:100%;bottom:-4px;height:3px;
 background:var(--color-primary);border-radius:6px;transition:right .25s ease;
}
.nav-link:hover{color:var(--color-primary)}
.nav-link:hover:after{right:0}
.nav-link.active{color:var(--color-primary);font-weight:600}
.nav-link.active:after{right:0}
.desktop-nav{display:none}
@media(min-width:1024px){
 .desktop-nav{display:flex}
 .mobile-panel{display:none!important}
}
.mobile-panel{display:none}
.mobile-panel.open{display:block}
.footer-link{color:#9FB2C8;transition:color .2s ease}
.footer-link:hover{color:#fff}
.tag{
 display:inline-flex;align-items:center;gap:.3rem;
 background:#F2F7FC;color:var(--color-muted);
 font-size:.78rem;padding:.25rem .7rem;border-radius:999px;
 border:1px solid #E0EAF6;transition:all .2s ease;
}
.tag:hover{background:var(--color-primary-light);color:var(--color-primary-dark)}
.filter-pill{
 display:inline-block;padding:.3rem .9rem;border-radius:999px;
 background:#EFF4FA;color:var(--color-muted);font-size:.82rem;border:1px solid #DAE6F3;
 transition:all .2s ease;cursor:pointer;
}
.filter-pill:hover{background:var(--color-primary-light);color:var(--color-primary-dark);border-color:#AFC9EF}
.filter-pill.active-pill{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.faq-arrow{transition:transform .3s ease}
details[open] .faq-arrow{transform:rotate(180deg)}
details.faq-details{ border-bottom:1px solid #E7EEF6}
details.faq-details summary{
 list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;
 font-weight:600;cursor:pointer;padding:1.05rem .25rem;color:var(--color-text);
 transition:color .25s ease;
}
details.faq-details summary::-webkit-details-marker{display:none}
details.faq-details summary:hover{color:var(--color-primary)}
details.faq-details .faq-content{padding:0 .25rem 1.1rem;color:var(--color-muted);font-size:.95rem}
/* 分类页特有:筛选器 */
.filter-cat{border:1px solid #DCE5F0;background:#fff;border-radius:.75rem;margin-bottom:.55rem;cursor:pointer;padding:.5rem .8rem;font-size:.85rem;display:flex;align-items:center;gap:.55rem;transition:all .15s ease}
.filter-cat:hover{background:#F0F6FE;border-color:#B9CEF0}
.filter-cat.on{background:var(--color-primary-light);border-color:var(--color-primary);color:var(--color-primary-dark);font-weight:600}
/* 条目卡 */
.board-card{
 position:relative;overflow:hidden;border-radius:1rem;
 background:#fff;border:1px solid #E6EDF6;
 box-shadow:0 6px 20px rgba(30,64,120,.05);
 transition:all .25s ease;
}
.board-card:hover{
 transform:translateY(-4px);
 box-shadow:0 16px 36px rgba(30,64,120,.14);
}
.board-card .cover-wrap{height:13rem;overflow:hidden;position:relative}
.board-card .cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.board-card:hover .cover-wrap img{transform:scale(1.04)}
.board-card .eye-icon{
 position:absolute;top:.8rem;right:.8rem;width:2rem;height:2rem;
 background:rgba(255,255,255,.92);backdrop-filter:blur(4px);
 border-radius:999px;display:flex;align-items:center;justify-content:center;
 color:var(--color-primary);font-size:.8rem;opacity:0;transform:translateY(-4px);
 transition:all .25s ease;box-shadow:0 4px 12px rgba(0,0,0,.12);
}
.board-card:hover .eye-icon{opacity:1;transform:translateY(0)}
.pagination-a{
 min-width:2.2rem;height:2.2rem;display:inline-flex;align-items:center;justify-content:center;
 border-radius:.55rem;background:#fff;border:1px solid #D9E3F0;color:var(--color-muted);
 font-weight:500;font-size:.88rem;transition:all .18s ease;
}
.pagination-a:hover{border-color:var(--color-primary);color:var(--color-primary);background:#F2F7FE}
.pagination-a.on{background:var(--color-primary);border-color:var(--color-primary);color:#fff;font-weight:600}
/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--color-muted)}
.breadcrumb a{color:var(--color-muted);transition:color .2s}
.breadcrumb a:hover{color:var(--color-primary)}
.breadcrumb span{color:#C3CDDB}