/* roulang page: index */
:root{
    --primary:#0e6f9a;
    --primary-dark:#0a5378;
    --primary-soft:#e4f0f7;
    --primary-rgb:14,111,154;
    --accent:#12a594;
    --accent-soft:#ddf3ee;
    --bg-body:#f6f9fc;
    --surface:#ffffff;
    --text-main:#1e2a32;
    --text-secondary:#5f7182;
    --border:#dce7ef;
    --footer-bg:#0b2530;
    --footer-text:#cbd8e0;
    --radius-lg:18px;
    --radius-md:14px;
    --radius-btn:10px;
    --shadow-sm:0 1px 3px rgba(20,40,60,.05),0 12px 32px -14px rgba(20,40,60,.12);
    --shadow-hover:0 6px 18px -8px rgba(20,55,80,.16),0 20px 48px -20px rgba(20,55,80,.20);
}
*{
    box-sizing:border-box;
}
html{
    scroll-behavior:smooth;
}
body{
    margin:0;
    font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg-body);
    color:var(--text-main);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
body.menu-open{
    overflow:hidden;
}
img{
    max-width:100%;
    height:auto;
    display:block;
}
a{
    color:inherit;
    text-decoration:none;
    transition:color .2s ease;
}
a:hover{
    color:var(--primary);
}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{
    outline:3px solid rgba(var(--primary-rgb),.25);
    outline-offset:2px;
    border-radius:6px;
}
.content-container{
    width:100%;
    max-width:1200px;
    margin-inline:auto;
    padding-inline:32px;
}
.app-shell{
    min-height:100vh;
    display:flex;
    width:100%;
}
.btn{
    border-radius:var(--radius-btn);
    font-weight:600;
    padding:.7rem 1.4rem;
    border-width:1px;
    transition:all .2s ease;
}
.btn-lg{
    padding:.9rem 1.7rem;
    border-radius:12px;
}
.btn-pill{
    border-radius:999px;
    padding:.85rem 1.8rem;
}
.btn-primary{
    --bs-btn-bg:var(--primary);
    --bs-btn-border-color:var(--primary);
    --bs-btn-hover-bg:var(--primary-dark);
    --bs-btn-hover-border-color:var(--primary-dark);
    --bs-btn-active-bg:var(--primary-dark);
    --bs-btn-active-border-color:var(--primary-dark);
    --bs-btn-disabled-bg:var(--primary);
    --bs-btn-disabled-border-color:var(--primary);
    background:var(--primary);
    border-color:var(--primary);
    box-shadow:0 8px 20px -8px rgba(var(--primary-rgb),.5);
}
.btn-outline-primary{
    --bs-btn-color:var(--primary);
    --bs-btn-border-color:var(--primary);
    --bs-btn-hover-bg:var(--primary);
    --bs-btn-hover-border-color:var(--primary);
    --bs-btn-active-bg:var(--primary);
    --bs-btn-active-border-color:var(--primary);
    color:var(--primary);
    border-color:var(--primary);
}
.btn-outline-primary:hover{
    color:#fff;
}
.btn-outline-light{
    --bs-btn-color:#fff;
    --bs-btn-border-color:rgba(255,255,255,.7);
    --bs-btn-hover-bg:rgba(255,255,255,.14);
    --bs-btn-hover-border-color:#fff;
    --bs-btn-active-bg:rgba(255,255,255,.2);
    --bs-btn-active-border-color:#fff;
    color:#fff;
    border-color:rgba(255,255,255,.7);
}
.btn-outline-light:hover{
    color:#fff;
}
.btn-secondary{
    --bs-btn-bg:#dfeaf1;
    --bs-btn-border-color:#dfeaf1;
    --bs-btn-color:#0a5378;
    --bs-btn-hover-bg:#cfe0ea;
    --bs-btn-hover-border-color:#cfe0ea;
    --bs-btn-hover-color:#0a5378;
    --bs-btn-active-bg:#c2d8e4;
    --bs-btn-active-border-color:#c2d8e4;
    background:#dfeaf1;
    border-color:#dfeaf1;
    color:#0a5378;
}
/* ---- Desktop sidebar shell ---- */
.app-sidebar{
    position:fixed;
    top:0;
    bottom:0;
    left:0;
    width:280px;
    background:var(--surface);
    border-right:1px solid var(--border);
    display:flex;
    flex-direction:column;
    padding:28px 22px 22px;
    z-index:1060;
}
.sidebar-brand{
    display:flex;
    align-items:center;
    gap:12px;
    padding:0 8px 26px;
    border-bottom:1px solid var(--border);
}
.sidebar-brand .brand-mark{
    width:46px;
    height:46px;
    flex:none;
    border-radius:14px;
    background:linear-gradient(135deg,var(--primary),#1e9bb5);
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
}
.sidebar-brand .brand-name{
    font-size:1.35rem;
    font-weight:800;
    line-height:1.2;
    color:var(--text-main);
    letter-spacing:-.2px;
}
.sidebar-brand .brand-sub{
    font-size:12px;
    color:var(--text-secondary);
    margin-top:3px;
    letter-spacing:.12em;
}
.sidebar-nav{
    list-style:none;
    margin:26px 0 0;
    padding:0;
}
.sidebar-nav>li{
    margin:6px 0;
}
.sidebar-nav .nav-group-label{
    font-size:12px;
    color:var(--text-secondary);
    padding:10px 12px 4px;
    letter-spacing:.08em;
}
.sidebar-nav>li>a{
    display:flex;
    align-items:center;
    gap:13px;
    padding:11px 12px;
    border-radius:12px;
    font-size:15px;
    font-weight:500;
    color:var(--text-main);
    border-left:3px solid transparent;
    transition:all .2s ease;
    width:100%;
}
.sidebar-nav>li>a i{
    width:22px;
    text-align:center;
    color:var(--text-secondary);
    font-size:16px;
    transition:color .2s ease;
}
.sidebar-nav>li>a:hover{
    background:var(--primary-soft);
    color:var(--primary-dark);
}
.sidebar-nav>li>a:hover i{
    color:var(--primary);
}
.sidebar-nav>li>a.active{
    background:linear-gradient(90deg,rgba(var(--primary-rgb),.10),rgba(var(--primary-rgb),.02));
    color:var(--primary-dark);
    border-left-color:var(--primary);
    font-weight:600;
}
.sidebar-nav>li>a.active i{
    color:var(--primary);
}
.sidebar-anchor{
    margin-top:14px;
    padding-top:16px;
    border-top:1px solid var(--border);
    display:flex;
    flex-direction:column;
    gap:2px;
}
.sidebar-anchor .anchor-title{
    font-size:12px;
    letter-spacing:.12em;
    color:var(--text-secondary);
    padding:8px 12px 2px;
}
.sidebar-anchor a{
    padding:7px 12px 7px 14px;
    font-size:13px;
    color:var(--text-secondary);
    border-radius:9px;
    display:flex;
    align-items:center;
    gap:10px;
}
.sidebar-anchor a i{
    font-size:12px;
    opacity:.75;
}
.sidebar-anchor a:hover{
    color:var(--primary);
    background:var(--primary-soft);
}
.sidebar-contact{
    margin-top:auto;
    background:linear-gradient(150deg,var(--primary-soft),#f0f8fb);
    border:1px solid #dceef6;
    border-radius:18px;
    padding:18px 16px 16px;
}
.sidebar-contact .contact-icon{
    display:flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    border-radius:12px;
    background:var(--surface);
    color:var(--primary);
    font-size:17px;
    margin-bottom:10px;
    box-shadow:var(--shadow-sm);
}
.sidebar-contact h6{
    font-weight:700;
    color:var(--text-main);
    margin:0 0 4px;
    font-size:15px;
}
.sidebar-contact p{
    color:var(--text-secondary);
    font-size:13px;
    line-height:1.6;
    margin-bottom:12px;
}
.sidebar-contact .btn{
    width:100%;
    font-size:13px;
    padding:.5rem .8rem;
}
/* mobile topbar */
.mobile-topbar{
    display:none;
    position:fixed;
    top:0;
    left:0;
    right:0;
    height:64px;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    align-items:center;
    justify-content:space-between;
    padding:0 18px;
    z-index:1090;
    box-shadow:0 4px 16px -10px rgba(30,42,50,.16);
}
.mobile-topbar .mobile-brand{
    font-weight:800;
    font-size:1.15rem;
    color:var(--text-main);
    letter-spacing:-.2px;
}
.menu-toggle{
    background:var(--primary-soft);
    border:none;
    color:var(--primary);
    width:42px;
    height:42px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    font-size:19px;
}
.menu-toggle:hover{
    background:#d4e8f2;
    color:var(--primary-dark);
}
.drawer-backdrop{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(6,28,40,.45);
    z-index:1040;
}
.mobile-topbar .sidebar-close{
    display:inline-flex;
    width:42px;
    height:42px;
    border-radius:12px;
    border:1px solid var(--border);
    background:var(--surface);
    color:var(--text-main);
    align-items:center;
    justify-content:center;
    font-size:17px;
    margin-right:8px;
}
/* main */
.app-main{
    margin-left:280px;
    width:calc(100% - 280px);
    min-width:0;
    background:var(--bg-body);
}
/* footer style */
.site-footer{
    background:var(--footer-bg);
    color:var(--footer-text);
    padding:70px 0 0;
    font-size:14px;
}
.footer-top{
    max-width:1200px;
    margin:0 auto;
    padding:0 32px 52px;
    display:grid;
    grid-template-columns:1.3fr .8fr .9fr 1fr;
    gap:42px;
}
.footer-brand-block .footer-logo{
    font-size:1.5rem;
    font-weight:800;
    color:#fff;
    margin-bottom:14px;
    letter-spacing:-.2px;
}
.footer-brand-block p{
    color:#a7bbc6;
    max-width:300px;
    font-size:14px;
    line-height:1.9;
}
.footer-title{
    font-size:15px;
    font-weight:700;
    color:#fff;
    margin-bottom:18px;
}
.footer-links{
    list-style:none;
    padding:0;
    margin:0;
    display:flex;
    flex-direction:column;
    gap:9px;
}
.footer-links a{
    color:#b4c7d2;
    display:inline-flex;
    align-items:center;
    gap:8px;
    transition:color .2s ease;
}
.footer-links a i{
    font-size:10px;
    opacity:.7;
}
.footer-links a:hover{
    color:#fff;
}
.footer-contact-item{
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:12px;
    color:#b4c7d2;
}
.footer-contact-item i{
    width:20px;
    color:#41b8d4;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:20px 0;
}
.footer-bottom-inner{
    max-width:1200px;
    margin:0 auto;
    padding-inline:32px;
    display:flex;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
    color:#829fae;
    font-size:13px;
}
.footer-bottom a{
    color:#a2c0ce;
}
.footer-bottom a:hover{
    color:#fff;
}
/* Section common */
.section-block{
    padding:96px 0;
    position:relative;
}
.section-block+.section-block{
    border-top:1px solid var(--border);
}
.section-label{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:var(--primary-soft);
    color:var(--primary-dark);
    font-size:13px;
    font-weight:600;
    padding:6px 14px;
    border-radius:999px;
    letter-spacing:.04em;
    margin-bottom:16px;
}
.section-label .dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--accent);
    display:inline-block;
}
.section-heading{
    max-width:720px;
}
.section-heading h2{
    font-size:clamp(1.7rem,2vw + .9rem,2.4rem);
    font-weight:800;
    color:var(--text-main);
    line-height:1.3;
    margin:0 0 14px;
}
.section-heading p{
    color:var(--text-secondary);
    font-size:16px;
    line-height:1.8;
    margin:0;
}
/* Hero */
.hero-section{
    position:relative;
    min-height:600px;
    min-height:calc(100vh - 0px);
    display:flex;
    align-items:center;
    overflow:hidden;
    background:
        linear-gradient(90deg,rgba(246,249,252,.97) 0%,rgba(232,243,249,.86) 44%,rgba(214,235,244,.58) 100%),
        url('/assets/images/backpic/back-1.png') right 30% center/cover no-repeat;
}
.hero-inner{
    position:relative;
    z-index:2;
    width:100%;
}
.hero-copy{
    max-width:660px;
    padding:70px 0 56px;
}
.hero-copy .hero-rating{
    display:inline-flex;
    align-items:center;
    gap:10px;
    background:rgba(255,255,255,.72);
    border:1px solid rgba(14,111,154,.1);
    padding:7px 15px;
    border-radius:999px;
    font-size:13px;
    color:var(--primary-dark);
    margin-bottom:28px;
    backdrop-filter:blur(6px);
    box-shadow:var(--shadow-sm);
}
.hero-copy .hero-rating i{
    color:var(--accent);
}
.hero-copy h1{
    font-size:clamp(2rem,3.4vw + .6rem,3.15rem);
    font-weight:800;
    line-height:1.25;
    letter-spacing:-.04em;
    color:var(--text-main);
    margin-bottom:20px;
    text-wrap:balance;
}
.hero-copy h1 .accent-text{
    color:var(--primary);
}
.hero-copy p.hero-lead{
    font-size:clamp(1.02rem,1vw + .6rem,1.2rem);
    line-height:1.9;
    color:var(--text-secondary);
    margin:0 0 32px;
    max-width:580px;
}
.hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    align-items:center;
}
.hero-proofline{
    display:flex;
    flex-wrap:wrap;
    gap:20px;
    margin-top:36px;
    color:var(--text-secondary);
    font-size:13px;
}
.hero-proofline span{
    display:inline-flex;
    align-items:center;
    gap:7px;
}
.hero-proofline i{
    color:var(--accent);
}
.scroll-hint{
    position:absolute;
    bottom:22px;
    left:38px;
    z-index:2;
    writing-mode:vertical-rl;
    font-size:12px;
    letter-spacing:.25em;
    color:var(--text-secondary);
    opacity:.7;
}
/* feature cards */
.feature-hero-grid{
    display:grid;
    grid-template-columns:1.06fr 1fr;
    gap:24px;
    margin-bottom:24px;
}
.feature-sub-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:22px;
}
.feature-card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    padding:34px 32px;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    display:flex;
    flex-direction:column;
    position:relative;
    overflow:hidden;
}
.feature-card::before{
    content:"";
    position:absolute;
    left:0;
    top:0;
    bottom:0;
    width:3px;
    background:var(--primary);
    opacity:0;
    transition:opacity .25s ease;
}
.feature-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(var(--primary-rgb),.25);
}
.feature-card:hover::before{
    opacity:1;
}
.feature-icon{
    width:54px;
    height:54px;
    border-radius:15px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:20px;
    color:var(--primary);
    background:var(--primary-soft);
    margin-bottom:20px;
}
.feature-card.accent .feature-icon{
    color:var(--accent);
    background:var(--accent-soft);
}
.feature-card h3{
    font-size:1.3rem;
    font-weight:700;
    margin:0 0 10px;
    color:var(--text-main);
}
.feature-card p{
    color:var(--text-secondary);
    margin:0;
    font-size:15px;
    line-height:1.85;
}
.feature-card .feature-more{
    margin-top:18px;
    font-size:14px;
    display:inline-flex;
    align-items:center;
    gap:7px;
    color:var(--primary);
    font-weight:600;
}
.feature-card.accent .feature-more{
    color:var(--accent);
}
/* small feature */
.mini-feature{
    background:var(--surface);
    border:1px solid var(--border);
    padding:25px 26px;
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-sm);
    display:flex;
    gap:18px;
    align-items:flex-start;
    transition:all .25s ease;
}
.mini-feature:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
}
.mini-feature .m-icon{
    width:46px;
    height:46px;
    flex:none;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:var(--primary-soft);
    color:var(--primary);
    font-size:17px;
}
.mini-feature h4{
    font-size:1.05rem;
    font-weight:700;
    margin:0 0 5px;
}
.mini-feature p{
    color:var(--text-secondary);
    font-size:14px;
    line-height:1.7;
    margin:0;
}
/* process */
.process-section{
    background:#eef6fb;
}
.process-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:18px;
    margin-top:50px;
    position:relative;
}
.process-step{
    position:relative;
    background:var(--surface);
    border-radius:var(--radius-md);
    border:1px solid var(--border);
    padding:26px 20px 22px;
    text-align:center;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease;
    height:100%;
}
.process-step:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
}
.step-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:38px;
    height:38px;
    border-radius:12px;
    background:var(--primary-soft);
    color:var(--primary);
    font-weight:800;
    font-size:15px;
    margin-bottom:12px;
}
.process-step:nth-child(even) .step-num{
    background:var(--accent-soft);
    color:var(--accent);
}
.process-step h3{
    font-size:1.02rem;
    font-weight:700;
    margin-bottom:8px;
}
.process-step p{
    color:var(--text-secondary);
    font-size:13px;
    line-height:1.7;
    margin:0;
}
.process-media{
    margin-top:34px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
    align-items:center;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
}
.process-media img{
    height:100%;
    width:100%;
    object-fit:cover;
    min-height:280px;
}
.process-detail{
    padding:28px 34px 28px 8px;
}
.process-detail h3{
    font-weight:700;
    font-size:1.3rem;
    margin-bottom:10px;
}
.process-detail p{
    color:var(--text-secondary);
    line-height:1.9;
    margin-bottom:12px;
}
.process-detail .pk-list{
    list-style:none;
    padding:0;
    margin:0 0 10px;
    display:grid;
    gap:10px;
}
.process-detail .pk-list li{
    color:var(--text-secondary);
    display:flex;
    align-items:flex-start;
    gap:10px;
    font-size:14px;
}
.process-detail .pk-list i{
    color:var(--accent);
    margin-top:4px;
}
@media(min-width:992px){
    .process-detail{
        padding-left:30px;
    }
}
/* trust / evidence */
.stat-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:22px;
    margin:24px 0 18px;
}
.stat-item{
    text-align:center;
    padding:34px 20px 30px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);
    transition:transform .2s ease,box-shadow .2s ease;
}
.stat-item:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
}
.stat-item .stat-icon{
    display:block;
    color:var(--accent);
    width:46px;
    height:46px;
    margin:0 auto 12px;
    border-radius:12px;
    background:var(--accent-soft);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:19px;
}
.stat-item strong{
    display:block;
    font-size:2.1rem;
    font-weight:800;
    color:var(--text-main);
    line-height:1.15;
}
.stat-item span{
    display:block;
    color:var(--text-secondary);
    font-size:14px;
    margin-top:8px;
}
.trust-tag-wall{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-top:32px;
    justify-content:center;
}
.trust-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    border:1px solid var(--border);
    background:var(--surface);
    color:var(--text-secondary);
    font-size:13px;
    padding:8px 16px;
    border-radius:999px;
    transition:all .2s ease;
}
.trust-tag i{
    color:var(--primary);
}
.trust-tag:hover{
    border-color:rgba(var(--primary-rgb),.35);
    color:var(--primary-dark);
    background:var(--primary-soft);
}
/* news/latest */
.latest-section{
    background:var(--surface);
    border-top:1px solid var(--border);
}
.news-list-top{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:20px;
    margin-bottom:34px;
    flex-wrap:wrap;
}
.news-stack{
    display:flex;
    flex-direction:column;
    gap:14px;
}
.news-empty{
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:170px;
    text-align:center;
    border:1px dashed #a9c2d2;
    border-radius:var(--radius-lg);
    background:#fafdff;
}
.news-empty i{
    font-size:24px;
    color:var(--primary);
    margin-right:12px;
}
.news-empty p{
    margin:0;
    color:var(--text-secondary);
}
.news-featured-card{
    display:grid;
    grid-template-columns:1.05fr 1fr;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    overflow:hidden;
    box-shadow:var(--shadow-sm);
    transition:transform .25s ease,box-shadow .25s ease;
}
.news-featured-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-hover);
}
.news-featured-media{
    position:relative;
    background:var(--primary-soft);
    min-height:240px;
    overflow:hidden;
}
.news-featured-media img{
    width:100%;
    height:100%;
    object-fit:cover;
    position:absolute;
    inset:0;
    transition:transform .3s ease;
}
.news-featured-card:hover .news-featured-media img{
    transform:scale(1.03);
}
.news-featured-body{
    padding:32px;
}
.news-category{
    display:inline-flex;
    align-items:center;
    background:var(--primary-soft);
    color:var(--primary-dark);
    border-radius:6px;
    font-size:12px;
    font-weight:600;
    padding:4px 10px;
    margin-bottom:14px;
}
.news-featured-body h3{
    font-size:1.45rem;
    line-height:1.45;
    margin-bottom:14px;
}
.news-featured-body h3 a{
    color:var(--text-main);
}
.news-featured-body h3 a:hover{
    color:var(--primary);
}
.news-featured-body p{
    color:var(--text-secondary);
    line-height:1.85;
    font-size:15px;
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
    margin-bottom:16px;
}
.news-meta{
    display:flex;
    align-items:center;
    gap:18px;
    color:var(--text-secondary);
    font-size:13px;
}
.news-meta i{
    color:var(--primary);
    margin-right:5px;
}
.news-compact-card{
    background:var(--bg-body);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:22px 26px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-compact-card:hover{
    background:var(--surface);
    transform:translateX(3px);
    box-shadow:var(--shadow-sm);
}
.news-compact-main{
    display:flex;
    flex-direction:column;
    gap:6px;
    min-width:0;
    flex:1;
}
.news-compact-main .news-title{
    font-size:1.06rem;
    font-weight:600;
    color:var(--text-main);
    line-height:1.5;
    max-width:100%;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.news-compact-main .news-title a:hover{
    color:var(--primary);
}
.news-compact-main .sum-line{
    font-size:14px;
    color:var(--text-secondary);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    max-width:900px;
}
.news-compact-card .meta-date{
    flex:none;
    font-size:12px;
    color:var(--text-secondary);
    white-space:nowrap;
    display:flex;
    align-items:center;
    gap:6px;
}
.news-compact-card .meta-date i{
    color:var(--primary);
}
.news-more-link{
    margin-top:26px;
    text-align:right;
    font-weight:600;
}
.news-more-link a{
    color:var(--primary);
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:14px;
}
/* service plan */
.service-plan-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    align-items:stretch;
    margin-top:48px;
}
.service-plan{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:24px;
    padding:34px 30px;
    display:flex;
    flex-direction:column;
    transition:transform .25s ease,box-shadow .25s ease;
}
.service-plan:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
}
.service-plan.featured-plan{
    background:linear-gradient(180deg,#f5fbfe,#ffffff 42%);
    border:1px solid rgba(var(--primary-rgb),.30);
    box-shadow:var(--shadow-hover);
    transform:scale(1.025);
    position:relative;
}
.service-plan.featured-plan:hover{
    transform:scale(1.025) translateY(-4px);
}
.service-plan .plan-dot{
    width:14px;
    height:14px;
    border-radius:50%;
    background:var(--accent);
    margin-bottom:12px;
}
.service-plan h3{
    font-size:1.3rem;
    font-weight:800;
    color:var(--text-main);
    margin-bottom:8px;
}
.service-plan .plan-desc{
    color:var(--text-secondary);
    font-size:14px;
    line-height:1.8;
    margin-bottom:18px;
}
.service-plan .plan-feature-list{
    list-style:none;
    padding:0;
    margin:0 0 24px;
    display:grid;
    gap:10px;
}
.service-plan .plan-feature-list li{
    display:flex;
    align-items:center;
    gap:10px;
    font-size:14px;
    color:var(--text-main);
}
.service-plan .plan-feature-list i{
    color:var(--accent);
    width:18px;
    flex:none;
}
.service-plan .btn{
    margin-top:auto;
    align-self:center;
    width:100%;
}
/* FAQ */
.faq-section{
    background:#eef6fb;
}
.accordion-wrap{
    max-width:850px;
    margin:40px auto 0;
}
.faq-accordion .accordion-item{
    background:var(--surface);
    border:1px solid var(--border) !important;
    border-radius:var(--radius-md) !important;
    margin-bottom:14px;
    overflow:hidden;
    box-shadow:var(--shadow-sm);
}
.faq-accordion .accordion-button{
    background:var(--surface);
    color:var(--text-main);
    font-weight:600;
    font-size:15px;
    padding:1.05rem 1.4rem;
    border:none;
    box-shadow:none;
    border-left:3px solid transparent;
    transition:border-color .2s ease,background .2s ease;
}
.faq-accordion .accordion-button:hover{
    color:var(--primary);
}
.faq-accordion .accordion-button:not(.collapsed){
    background:var(--surface);
    color:var(--primary-dark);
    box-shadow:none;
    border-left-color:var(--primary);
}
.faq-accordion .accordion-button::after{
    display:none;
}
.faq-accordion .accordion-button .faq-state{
    display:inline-flex;
    width:26px;
    height:26px;
    border-radius:8px;
    background:var(--primary-soft);
    color:var(--primary);
    align-items:center;
    justify-content:center;
    font-size:13px;
    margin-left:auto;
    transition:transform .2s ease,background .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed) .faq-state{
    transform:rotate(45deg);
    background:var(--primary);
    color:#fff;
}
.faq-accordion .accordion-body{
    padding:0 1.4rem 1.2rem 2.3rem;
    color:var(--text-secondary);
    font-size:14px;
    line-height:1.9;
    border-top:0;
}
/* CTA contact */
.cta-section{
    background:linear-gradient(120deg,#f1f8fc,#e7f3f9);
    overflow:hidden;
}
.cta-box{
    background:linear-gradient(120deg,var(--footer-bg),#103d50);
    color:#fff;
    border-radius:28px;
    padding:60px 56px;
    position:relative;
    overflow:hidden;
}
.cta-box::before{
    content:"";
    position:absolute;
    right:-80px;
    top:-80px;
    width:260px;
    height:260px;
    border-radius:50%;
    border:40px solid rgba(18,165,148,.16);
}
.cta-box .cta-content{
    position:relative;
    z-index:1;
    max-width:680px;
}
.cta-box h2{
    font-size:clamp(1.8rem,2.2vw + .6rem,2.5rem);
    font-weight:800;
    margin-bottom:18px;
    color:#fff;
}
.cta-box p{
    color:#b8d1dc;
    font-size:1rem;
    line-height:1.9;
    max-width:600px;
    margin-bottom:28px;
}
.cta-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}
/* floating */
.float-cta{
    position:fixed;
    right:28px;
    bottom:28px;
    z-index:1080;
    opacity:0;
    pointer-events:none;
    transform:translateY(16px);
    transition:all .3s ease;
    display:flex;
    flex-direction:column;
    gap:10px;
}
.float-cta.visible{
    opacity:1;
    pointer-events:auto;
    transform:none;
}
.float-main{
    width:56px;
    height:56px;
    border-radius:50%;
    background:var(--primary);
    border:none;
    color:#fff;
    font-size:18px;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 12px 30px rgba(var(--primary-rgb),.35);
    transition:all .2s ease;
}
.float-main:hover{
    background:var(--accent);
    transform:translateY(-2px);
}
.float-link{
    width:42px;
    height:42px;
    border-radius:50%;
    background:#fff;
    border:1px solid var(--border);
    color:var(--primary-dark);
    font-size:15px;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:var(--shadow-sm);
    transition:all .2s ease;
}
.float-link:hover{
    color:var(--accent);
    transform:translateY(-2px);
}
/* Back to top */
.back-top{
    position:fixed;
    right:36px;
    bottom:145px;
    z-index:1070;
    width:42px;
    height:42px;
    border-radius:50%;
    background:var(--surface);
    border:1px solid var(--border);
    color:var(--primary);
    opacity:0;
    pointer-events:none;
    transform:translateY(10px);
    transition:all .25s ease;
    box-shadow:var(--shadow-sm);
    display:flex;
    align-items:center;
    justify-content:center;
}
.back-top.show{
    opacity:1;
    pointer-events:auto;
    transform:none;
}
.back-top:hover{
    background:var(--primary);
    color:#fff;
}
.section-shadow-bg{
    background:var(--bg-body);
}
@media(max-width:1199px){
    .process-grid{
        grid-template-columns:repeat(3,1fr);
    }
    .process-step:nth-child(n+4){
        margin-top:0;
    }
    .service-plan-grid{
        gap:18px;
    }
}
@media(max-width:991.98px){
    .app-sidebar{
        transform:translateX(-110%);
        box-shadow:16px 0 40px rgba(5,30,45,.14);
    }
    body.menu-open .app-sidebar{
        transform:translateX(0);
    }
    .drawer-backdrop.show{
        display:block;
    }
    .mobile-topbar{
        display:flex;
    }
    .app-main{
        margin-left:0;
        width:100%;
        padding-top:64px;
    }
    .sidebar-contact{
        margin-top:32px;
    }
    .section-block{
        padding:80px 0;
    }
    .footer-top{
        grid-template-columns:1fr 1fr;
        gap:36px;
    }
    .process-grid{
        grid-template-columns:repeat(3,1fr);
    }
    .process-media{
        grid-template-columns:1fr;
    }
    .process-detail{
        padding:26px;
    }
    .process-media img{
        max-height:320px;
        min-height:0;
        object-fit:cover;
    }
}
@media(max-width:767px){
    .section-block{
        padding:64px 0;
    }
    .content-container,.footer-top,.footer-bottom-inner{
        padding-inline:20px;
    }
    .hero-section{
        background:
            linear-gradient(180deg,rgba(246,249,252,.98) 16%,rgba(226,242,249,.88) 72%,rgba(215,238,248,.8) 100%),
            url('/assets/images/backpic/back-1.png') 55% center/auto 100% no-repeat;
        background-size:cover;
    }
    .hero-copy{
        padding:70px 0 44px;
    }
    .hero-copy h1{
        font-size:clamp(1.75rem,4.5vw + .8rem,2.4rem);
    }
    .scroll-hint{
        display:none;
    }
    .feature-hero-grid,.feature-sub-grid,.process-grid{
        grid-template-columns:1fr;
        margin-bottom:0;
        gap:14px;
    }
    .stat-grid{
        grid-template-columns:repeat(2,1fr);
        gap:15px;
    }
    .news-featured-card{
        grid-template-columns:1fr;
    }
    .news-featured-media{
        min-height:180px;
        position:relative;
    }
    .news-featured-media img{
        position:relative;
        min-height:180px;
        height:auto;
    }
    .news-featured-body{
        padding:24px 22px;
    }
    .news-compact-card{
        padding:16px 18px;
        align-items:flex-start;
    }
    .news-compact-card .meta-date{
        white-space:normal;
        margin-top:8px;
    }
    .service-plan-grid{
        grid-template-columns:1fr;
        max-width:520px;
        margin-inline:auto;
    }
    .service-plan.featured-plan{
        transform:none;
    }
    .service-plan.featured-plan:hover{
        transform:translateY(-4px);
    }
    .footer-top{
        grid-template-columns:1fr;
        gap:26px;
        padding-top:40px;
    }
    .cta-box{
        padding:36px 26px;
        border-radius:22px;
    }
    .cta-actions .btn{
        width:100%;
    }
    .float-cta{
        right:16px;
        bottom:16px;
    }
    .float-main{
        width:52px;
        height:52px;
    }
    .back-top{
        right:22px;
        bottom:132px;
    }
}
@media(max-width:575px){
    .hero-copy h1{
        font-size:1.85rem;
    }
    .hero-copy p.hero-lead{
        font-size:1rem;
    }
    .content-container,.footer-top,.footer-bottom-inner{
        padding-inline:18px;
    }
    .section-heading h2{
        font-size:1.75rem;
    }
    .feature-card{
        padding:26px 22px;
    }
    .feature-sub-grid{
        gap:12px;
    }
    .mini-feature{
        flex-direction:column;
        gap:10px;
    }
    .stat-item{
        padding:24px 12px;
    }
    .stat-item strong{
        font-size:1.7rem;
    }
    .news-featured-body h3{
        font-size:1.2rem;
    }
    .news-compact-card{
        flex-direction:column;
    }
    .news-more-link{
        text-align:center;
    }
    .footer-bottom-inner{
        flex-direction:column;
        align-items:center;
        text-align:center;
    }
}

/* roulang page: article */
:root {
            --primary: #0E6F9A;
            --primary-hover: #0A5378;
            --primary-soft: #E4F0F7;
            --accent: #12A594;
            --accent-soft: #DDF3EE;
            --bg: #F6F9FC;
            --card: #FFFFFF;
            --ink: #1E2A32;
            --muted: #5F7182;
            --border: #DCE7EF;
            --footer-bg: #0B2530;
            --footer-ink: #B7C9D4;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 1px 3px rgba(17, 42, 58, .05), 0 4px 12px rgba(17, 42, 58, .04);
            --shadow-lg: 0 2px 6px rgba(17, 42, 58, .05), 0 20px 40px -18px rgba(17, 42, 58, .18);
            --space-section: clamp(52px, 7vw, 92px);
            --font: 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s;
        }

        a:hover {
            color: var(--primary-hover);
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        .btn {
            padding: 12px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: .02em;
            border: 1px solid transparent;
            transition: background .25s, color .25s, border-color .25s, transform .2s, box-shadow .25s;
        }

        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            box-shadow: 0 10px 24px -10px rgba(14, 111, 154, .55);
            transform: translateY(-2px);
        }

        .btn-outline-primary {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary-hover);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            z-index: 1060;
            background: rgba(255, 255, 255, .97);
            border-bottom: 1px solid var(--border);
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
        }

        .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: .01em;
            line-height: 1.3;
        }

        .menu-toggle {
            width: 42px;
            height: 42px;
            border: 0;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .sidebar-close {
            width: 40px;
            height: 40px;
            border: 0;
            border-radius: 12px;
            background: var(--bg);
            color: var(--primary);
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 4px;
        }

        .sidebar-overlay {
            position: fixed;
            inset: 0;
            background: rgba(11, 37, 48, .46);
            z-index: 1045;
            display: none;
        }

        .sidebar-overlay.show {
            display: block;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--card);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            padding: 0 18px 20px;
            z-index: 1050;
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .side-brand {
            padding: 34px 10px 22px;
            border-bottom: 1px solid var(--border);
        }

        .side-brand a {
            font-size: 22px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -.01em;
            line-height: 1.3;
            display: inline-block;
        }

        .side-brand a span {
            color: var(--primary);
        }

        .side-tagline {
            color: var(--muted);
            font-size: 13px;
            margin-top: 6px;
            line-height: 1.5;
        }

        .side-nav {
            padding: 18px 0 10px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .nav-group-label {
            font-size: 12px;
            letter-spacing: .14em;
            text-transform: uppercase;
            color: var(--muted);
            padding: 12px 12px 6px;
            font-weight: 600;
        }

        .side-link {
            display: flex;
            align-items: center;
            gap: 13px;
            padding: 13px 14px;
            border-radius: var(--radius-sm);
            color: var(--ink);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: background .2s, transform .2s, color .2s;
        }

        .side-link i {
            width: 20px;
            text-align: center;
            color: var(--muted);
            transition: color .2s;
        }

        .side-link:hover {
            background: var(--primary-soft);
            color: var(--primary-hover);
            transform: translateX(2px);
        }

        .side-link:hover i {
            color: var(--primary);
        }

        .side-link.active {
            background: var(--primary-soft);
            border-left-color: var(--primary);
            color: var(--primary);
            font-weight: 700;
        }

        .side-link.active i {
            color: var(--primary);
        }

        .side-tools {
            border-top: 1px solid var(--border);
            padding: 18px 8px 4px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .side-tools a {
            color: var(--muted);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.4;
        }

        .side-tools a i {
            color: var(--accent);
            font-size: 15px;
            width: 18px;
            text-align: center;
        }

        .side-tools a:hover {
            color: var(--primary);
        }

        .main-area {
            min-height: 100vh;
            margin-left: 280px;
            display: flex;
            flex-direction: column;
        }

        .article-page {
            max-width: 1180px;
            width: 100%;
            margin: 0 auto;
            padding: 40px 34px 20px;
            flex: 1;
        }

        .breadcrumb-line {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 14px;
            gap: 8px;
            color: var(--muted);
            margin-bottom: 22px;
        }

        .breadcrumb-line a {
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .breadcrumb-line a:hover {
            color: var(--primary);
        }

        .breadcrumb-line i {
            font-size: 11px;
            color: #A9BAC7;
        }

        .breadcrumb-line .current {
            color: var(--primary);
            font-weight: 600;
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-hero {
            position: relative;
            background: linear-gradient(135deg, #E6F1F8 0%, #F5FAFD 60%, #fff 100%);
            border: 1px solid rgba(220, 231, 239, .8);
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: clamp(26px, 5vw, 48px) clamp(22px, 4vw, 46px);
            margin-bottom: 38px;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            right: -70px;
            top: -70px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(18, 165, 148, .12), transparent 68%);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            left: 18%;
            bottom: -120px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(14, 111, 154, .08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .article-cat-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--accent-soft);
            color: #0D8878;
            font-size: 13px;
            font-weight: 700;
            border-radius: 50px;
            padding: 6px 15px;
            letter-spacing: .02em;
        }

        .article-cat-chip i {
            font-size: 11px;
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 2.8vw + 1rem, 2.55rem);
            line-height: 1.32;
            font-weight: 800;
            color: var(--ink);
            margin: 16px 0 20px;
            letter-spacing: -.01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
            align-items: center;
            font-size: 14px;
            color: var(--muted);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, .82);
            padding: 6px 13px;
            border-radius: 50px;
            border: 1px solid var(--border);
            font-weight: 500;
        }

        .meta-item i {
            color: var(--primary);
        }

        .reading-col {
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .article-body {
            background: var(--card);
            border: 1px solid rgba(220, 231, 239, .8);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: clamp(28px, 5vw, 54px) clamp(22px, 5vw, 56px);
        }

        .article-content {
            color: #2B3A46;
            font-size: 16.5px;
            line-height: 2;
            word-break: break-word;
        }

        .article-content > *:last-child {
            margin-bottom: 0;
        }

        .article-content p {
            margin: 0 0 1.6em;
        }

        .article-content h2 {
            font-size: clamp(1.35rem, 1.6vw + .6rem, 1.72rem);
            font-weight: 800;
            color: var(--ink);
            margin: 2em 0 .8em;
            letter-spacing: -.01em;
            line-height: 1.45;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ink);
            margin: 1.8em 0 .6em;
            line-height: 1.5;
        }

        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
            margin: 1.6em 0 .5em;
        }

        .article-content a {
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.7em;
            padding-left: 1.4em;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: .45em;
        }

        .article-content blockquote {
            margin: 2em 0;
            padding: 20px 24px;
            border-left: 4px solid var(--primary);
            background: var(--primary-soft);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #31526A;
            font-size: 1rem;
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content img {
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin: 1.8em auto;
            height: auto;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2em 0;
            font-size: .96rem;
            display: block;
            overflow-x: auto;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 12px 14px;
            text-align: left;
            vertical-align: top;
        }

        .article-content table th {
            background: var(--primary-soft);
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
        }

        .article-content table tr:nth-child(even) td {
            background: #FBFCFE;
        }

        .article-content figcaption,
        .article-content .wp-caption-text {
            font-size: 13px;
            color: var(--muted);
            text-align: center;
            margin-top: -1.2em;
        }

        .article-not-found {
            background: var(--card);
            border: 1px dashed #B6CAD7;
            border-radius: var(--radius-lg);
            padding: 70px 30px;
            text-align: center;
            color: var(--muted);
            font-size: 16px;
            max-width: 800px;
            margin: 32px auto 0;
        }

        .article-not-found h1 {
            color: var(--ink);
            font-weight: 800;
            margin: 0 0 10px;
        }

        .related-section {
            max-width: 960px;
            margin: 70px auto 0;
            padding: 0 4px;
        }

        .related-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
        }

        .related-heading h2 {
            font-size: 1.65rem;
            font-weight: 800;
            margin: 0;
            color: var(--ink);
            letter-spacing: -.01em;
        }

        .related-heading .heading-line {
            flex: 0 0 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .rel-card {
            display: flex;
            background: var(--card);
            border: 1px solid rgba(220, 231, 239, .85);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            min-height: 164px;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            color: var(--ink);
        }

        .rel-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            color: var(--ink);
        }

        .rel-card .rel-thumb {
            width: 34%;
            min-width: 128px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .rel-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }

        .rel-card:hover .rel-thumb img {
            transform: scale(1.05);
        }

        .rel-card .rel-copy {
            flex: 1;
            padding: 22px 22px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .rel-card .rel-label {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: var(--primary-soft);
            border-radius: 50px;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 11px;
            margin-bottom: 10px;
            letter-spacing: .02em;
        }

        .rel-card .rel-title {
            font-size: 1.06rem;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.55;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rel-card .rel-text {
            color: var(--muted);
            font-size: 13.5px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .rel-card.rel-feature {
            grid-column: 1 / -1;
            min-height: 200px;
        }

        .rel-card.rel-feature .rel-copy {
            padding: 26px 30px;
        }

        .rel-card.rel-feature .rel-text {
            -webkit-line-clamp: 2;
        }

        .article-pager {
            max-width: 960px;
            margin: 48px auto 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .pager-link {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: background .25s, transform .25s, box-shadow .25s, border-color .25s;
            min-width: 0;
        }

        .pager-link:hover {
            background: var(--primary-soft);
            border-color: transparent;
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .pager-link i {
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .pager-copy {
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .pager-copy span {
            font-size: 12px;
            color: var(--muted);
            white-space: nowrap;
        }

        .pager-copy strong {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-top: 3px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .pager-link.pager-next {
            justify-content: flex-end;
            text-align: right;
        }

        .pager-link.pager-next .pager-copy {
            align-items: flex-end;
        }

        .back-home {
            max-width: 960px;
            margin: 26px auto 0;
            text-align: center;
        }

        .back-home a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 50px;
            transition: color .2s, background .2s;
        }

        .back-home a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-ink);
            margin-top: 76px;
        }

        .footer-top {
            max-width: 1180px;
            margin: 0 auto;
            padding: 58px 34px 42px;
            display: grid;
            grid-template-columns: minmax(240px, 1.6fr) 1fr 1fr 1.2fr;
            gap: 48px 36px;
        }

        .footer-brand-block .footer-logo {
            color: #FFFFFF;
            font-size: 23px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -.01em;
        }

        .footer-brand-block p {
            font-size: 14px;
            line-height: 1.9;
            color: #94ACBB;
            margin: 0;
            max-width: 330px;
        }

        .footer-title {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 22px;
            letter-spacing: .02em;
        }

        .footer-links {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: #A4BAC7;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color .2s, transform .2s;
        }

        .footer-links a i {
            font-size: 11px;
            color: #5B7B8E;
            transition: color .2s;
        }

        .footer-links a:hover {
            color: #FFFFFF;
            transform: translateX(3px);
        }

        .footer-links a:hover i {
            color: var(--accent);
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: #A4BAC7;
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .footer-contact-item i {
            color: #4A7A92;
            margin-top: 5px;
            width: 20px;
            text-align: center;
        }

        .footer-contact-item a {
            color: #A4BAC7;
        }

        .footer-contact-item a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
        }

        .footer-bottom-inner {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 34px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            justify-content: space-between;
            font-size: 13px;
            color: #7E98A8;
        }

        #toTopBtn {
            position: fixed;
            right: 28px;
            bottom: 30px;
            width: 46px;
            height: 46px;
            border: 1px solid rgba(220, 231, 239, .6);
            border-radius: 50%;
            background: rgba(255, 255, 255, .96);
            color: var(--primary);
            font-size: 16px;
            box-shadow: var(--shadow-sm);
            z-index: 990;
            display: none;
            align-items: center;
            justify-content: center;
            transition: .25s ease;
        }

        #toTopBtn.show {
            display: inline-flex;
        }

        #toTopBtn:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 10px 24px -8px rgba(14, 111, 154, .45);
            transform: translateY(-2px);
        }

        @media (max-width: 1199.98px) {
            .article-page {
                padding: 34px 26px 14px;
            }

            .footer-top {
                grid-template-columns: 1.3fr 1fr 1fr;
                padding-left: 26px;
                padding-right: 26px;
                gap: 40px 28px;
            }

            .footer-top .footer-brand-block {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 991.98px) {
            .mobile-topbar {
                display: flex;
            }

            .sidebar {
                transform: translateX(-105%);
                width: 280px;
                box-shadow: none;
            }

            .sidebar.open {
                transform: translateX(0);
                box-shadow: 20px 0 50px rgba(11, 37, 48, .18);
            }

            .main-area {
                margin-left: 0;
                padding-top: 64px;
            }

            .sidebar-overlay.show {
                display: block;
            }
        }

        @media (max-width: 767.98px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                padding: 46px 22px 36px;
                gap: 34px 24px;
            }

            .footer-brand-block {
                grid-column: 1 / -1;
            }

            .footer-top .footer-brand-block {
                grid-column: 1 / -1;
            }

            .site-footer {
                margin-top: 52px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .rel-card.rel-feature {
                grid-column: auto;
            }

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

            .rel-card {
                min-height: 150px;
            }

            #toTopBtn {
                right: 18px;
                bottom: 18px;
                width: 44px;
                height: 44px;
            }
        }

        @media (max-width: 575.98px) {
            .article-page {
                padding: 18px 14px 8px;
            }

            .breadcrumb-line {
                margin-bottom: 16px;
            }

            .breadcrumb-line .current {
                max-width: 150px;
            }

            .article-hero {
                border-radius: 16px;
                padding: 24px 20px;
                margin-bottom: 24px;
            }

            .article-hero h1 {
                font-size: 1.55rem;
                line-height: 1.42;
                margin: 14px 0 16px;
            }

            .article-meta {
                gap: 8px 10px;
            }

            .meta-item {
                font-size: 12.5px;
                padding: 5px 11px;
            }

            .article-body {
                border-radius: 16px;
                padding: 24px 19px;
            }

            .article-content {
                font-size: 15.5px;
                line-height: 2;
            }

            .article-content blockquote {
                padding: 16px 18px;
            }

            .related-section,
            .article-pager,
            .back-home {
                margin-top: 42px;
                padding-left: 2px;
                padding-right: 2px;
            }

            .related-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-bottom: 18px;
            }

            .rel-card {
                flex-direction: column;
                min-height: 0;
            }

            .rel-card .rel-thumb {
                width: 100%;
                height: 170px;
                min-width: 0;
            }

            .rel-card .rel-copy {
                padding: 20px 18px 18px;
            }

            .rel-card.rel-feature .rel-copy {
                padding: 22px 18px;
            }

            .pager-link {
                padding: 15px 16px;
            }

            .footer-bottom-inner {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 0 18px;
            }
        }

        @media (max-width: 380px) {
            .sidebar {
                width: 260px;
            }

            .side-brand a {
                font-size: 19px;
            }

            .footer-top {
                grid-template-columns: 1fr;
            }
        }

        :focus-visible {
            outline: 3px solid rgba(14, 111, 154, .35);
            outline-offset: 3px;
        }

        a:focus-visible,
        button:focus-visible {
            border-radius: 6px;
        }

/* roulang page: category1 */
:root {
            --primary: #0E6F9A;
            --primary-hover: #0A5378;
            --primary-soft: #E4F0F7;
            --accent: #12A594;
            --accent-soft: #DDF3EE;
            --bg: #F6F9FC;
            --surface: #FFFFFF;
            --text: #1E2A32;
            --muted: #5F7182;
            --border: #DCE7EF;
            --footer-bg: #0B2530;
            --footer-text: rgba(255, 255, 255, .78);
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-soft: 0 1px 3px rgba(16, 42, 62, .06), 0 12px 32px -10px rgba(16, 42, 62, .12);
            --shadow-hover: 0 8px 20px rgba(14, 111, 154, .12), 0 20px 42px -12px rgba(16, 42, 62, .15);
            --font-sans: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        body.nav-open {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-hover);
        }
        button {
            font-family: inherit;
            border: 0;
            background: none;
            cursor: pointer;
        }
        .text-muted {
            color: var(--muted) !important;
        }
        .sidebar-topbar {
            display: none;
        }
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            height: 100dvh;
            background: #FFFFFF;
            border-right: 1px solid var(--border);
            z-index: 1050;
            padding: 28px 18px 20px;
            display: flex;
            flex-direction: column;
            transform: translateX(-105%);
            transition: transform .3s ease;
            box-shadow: 20px 0 45px rgba(14, 111, 154, .03);
            overflow-y: auto;
        }
        body.nav-open .app-sidebar {
            transform: translateX(0);
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            outline-offset: 4px;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            flex: 0 0 42px;
            border-radius: 13px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 18px;
        }
        .brand-name {
            font-size: 19px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .2px;
            line-height: 1.2;
        }
        .sidebar-brand:hover .brand-name {
            color: var(--primary);
        }
        .sidebar-note {
            font-size: 13px;
            color: var(--muted);
            padding: 0 10px 14px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 16px;
        }
        .side-nav {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .side-nav-caption {
            font-size: 12px;
            font-weight: 600;
            color: #96A7B6;
            letter-spacing: .2em;
            padding: 16px 10px 7px;
            text-transform: none;
        }
        .side-nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 12px;
            border-radius: 12px;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: background .2s ease, color .2s ease;
            outline-offset: 2px;
        }
        .side-nav-item .side-nav-icon {
            width: 20px;
            text-align: center;
            color: #7C93A6;
            font-size: 16px;
            transition: color .2s ease;
        }
        .side-nav-item:hover {
            background: #F1F7FB;
            color: var(--primary);
        }
        .side-nav-item.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
        }
        .side-nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 21%;
            height: 58%;
            width: 4px;
            border-radius: 4px;
            background: var(--primary);
        }
        .side-nav-item.active .side-nav-icon {
            color: var(--primary);
        }
        .sidebar-subtle {
            border-left: 3px solid var(--primary-soft);
            color: var(--muted);
            font-size: 13px;
            margin: 16px 2px 6px;
            padding: 4px 0 0 12px;
            line-height: 1.6;
        }
        .sidebar-support {
            margin-top: auto;
            padding: 18px 14px 10px;
            background: #F6F9FC;
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-top: 26px;
        }
        .sidebar-support .support-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 6px;
            display: flex;
            gap: 8px;
            align-items: center;
            color: var(--text);
        }
        .sidebar-support p {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 8px;
        }
        .sidebar-support a.support-mail {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            border-bottom: 1px dashed var(--border);
            padding-bottom: 3px;
            font-weight: 600;
        }
        .mobile-topbar {
            display: none;
        }
        .mobile-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(11, 37, 48, .52);
            z-index: 1040;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease;
        }
        body.nav-open .mobile-backdrop {
            opacity: 1;
            visibility: visible;
        }
        .main-col {
            min-height: 100vh;
            margin-left: 0;
        }
        @media (min-width: 992px) {
            .app-sidebar {
                transform: none !important;
                box-shadow: none;
            }
            .main-col {
                margin-left: 280px;
                display: flex;
                flex-direction: column;
            }
            .mobile-topbar {
                display: none !important;
            }
            body.nav-open {
                overflow: visible;
            }
        }
        @media (max-width: 991.98px) {
            .app-sidebar {
                width: 310px;
                max-width: 86vw;
                padding-top: 20px;
                top: 0;
                height: 100vh;
                border-radius: 0 22px 22px 0;
            }
            .mobile-topbar {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: #fff;
                border-bottom: 1px solid var(--border);
                z-index: 1055;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0 16px;
                box-shadow: 0 4px 16px rgba(14, 111, 154, .06);
            }
            .mobile-topbar .mobile-brand {
                font-size: 18px;
                font-weight: 800;
                color: var(--text);
                display: inline-flex;
                align-items: center;
                line-height: 1.25;
            }
            .menu-toggle {
                width: 42px;
                height: 42px;
                border-radius: 12px;
                background: var(--primary-soft);
                color: var(--primary);
                display: inline-flex;
                align-items: center;
                justify-content: center;
                font-size: 17px;
                transition: background .2s;
            }
            .menu-toggle:hover {
                background: #D0E4EE;
            }
            .sidebar-close {
                width: 36px;
                height: 36px;
                border-radius: 10px;
                background: #F1F7FB;
                color: var(--primary);
                display: inline-flex;
                align-items: center;
                justify-content: center;
                font-size: 15px;
                margin-right: 4px;
                transition: background .2s;
            }
            .sidebar-close:hover {
                background: var(--primary-soft);
            }
            .main-col {
                padding-top: 64px;
            }
        }
        .site-container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .category-banner {
            position: relative;
            background-image: linear-gradient(100deg, rgba(255, 255, 255, .94) 0%, rgba(241, 248, 253, .88) 38%, rgba(228, 240, 247, .58) 72%, rgba(255, 255, 255, .36) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 92px 0 84px;
            border-bottom: 1px solid rgba(14, 111, 154, .06);
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .category-banner-inner {
            max-width: 760px;
        }
        .banner-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(228, 240, 247, .78);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 40px;
            letter-spacing: .04em;
            border: 1px solid rgba(14, 111, 154, .14);
            backdrop-filter: none;
            box-shadow: inset 0 0 0 0 transparent;
            margin-bottom: 22px;
        }
        .category-page-title {
            font-size: clamp(2.1rem, 3.6vw + 1rem, 3.4rem);
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -.02em;
            margin-bottom: 18px;
            color: var(--text);
        }
        .banner-desc {
            font-size: 17px;
            color: #445A6A;
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 30px;
        }
        .banner-inline-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }
        .banner-inline-meta span {
            background: rgba(255, 255, 255, .65);
            border: 1px solid rgba(14, 111, 154, .12);
            color: #3E6078;
            font-size: 13px;
            padding: 7px 14px;
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .banner-inline-meta i {
            color: var(--accent);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            border: 0;
            padding: 13px 26px;
            border-radius: 12px;
            transition: background .2s, transform .2s, box-shadow .2s, border-color .2s, color .2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            line-height: 1.45;
            outline: none;
        }
        .btn-brand {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 10px 22px rgba(14, 111, 154, .24);
        }
        .btn-brand:hover {
            background: var(--primary-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-accent-line {
            border: 1px solid rgba(14, 111, 154, .28);
            background: rgba(255, 255, 255, .72);
            color: var(--primary);
        }
        .btn-accent-line:hover {
            background: #FFFFFF;
            color: var(--primary-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(14, 111, 154, .35);
            outline-offset: 2px;
        }
        .btn-ghost-footer {
            border-color: rgba(255, 255, 255, .29);
            color: #fff;
        }
        .btn-ghost-footer:hover {
            border-color: rgba(255, 255, 255, .68);
            color: #fff;
        }
        .section-block {
            padding: 96px 0;
        }
        .section-title-wrap {
            margin-bottom: 44px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .16em;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.8rem, 2.2vw + .9rem, 2.6rem);
            font-weight: 800;
            letter-spacing: -.02em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--muted);
            max-width: 670px;
            line-height: 1.85;
        }
        .value-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 27px 25px;
            height: 100%;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            box-shadow: var(--shadow-soft);
        }
        .value-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(14, 111, 154, .25);
        }
        .value-icon {
            width: 48px;
            height: 48px;
            border-radius: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 18px;
        }
        .value-card .value-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .value-card .value-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }
        .category-layout {
            align-items: flex-start;
        }
        .topic-rail {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
            padding: 28px 22px;
            position: sticky;
            top: 90px;
        }
        .rail-heading {
            font-size: 17px;
            font-weight: 800;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 9px;
        }
        .rail-heading i {
            color: var(--accent);
        }
        .rail-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 22px;
            padding-right: 10px;
        }
        .rail-group-label {
            font-size: 12px;
            font-weight: 700;
            color: #94A5B3;
            letter-spacing: .12em;
            margin-bottom: 9px;
        }
        .rail-btn {
            width: 100%;
            text-align: left;
            padding: 11px 15px;
            border-radius: 11px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 5px;
            border: 1px solid transparent;
            background: transparent;
            transition: background .2s, color .2s, border-color .2s, transform .2s;
            display: flex;
            align-items: center;
            gap: 9px;
            outline: none;
        }
        .rail-btn i {
            color: #9FB2C0;
            font-size: 14px;
            width: 17px;
            text-align: center;
            transition: color .2s;
        }
        .rail-btn:hover {
            background: #F2F7FB;
            color: var(--primary);
        }
        .rail-btn.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 600;
            border-color: rgba(14, 111, 154, .12);
        }
        .rail-btn.active i {
            color: var(--primary);
        }
        .rail-btn:focus-visible {
            outline: 3px solid rgba(14, 111, 154, .26);
            outline-offset: 1px;
        }
        .rail-info-box {
            margin-top: 17px;
            background: var(--accent-soft);
            border-radius: 12px;
            padding: 13px 14px;
            font-size: 12px;
            color: #247063;
            line-height: 1.7;
            display: flex;
            gap: 8px;
        }
        .rail-info-box i {
            margin-top: 2px;
            color: var(--accent);
        }
        .content-topic-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 0 0 24px;
        }
        .content-topic-heading .num-mark {
            background: var(--primary);
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex: 0 0 34px;
        }
        .content-topic-heading h2,
        .content-topic-heading h3 {
            font-size: 22px;
            font-weight: 800;
            margin: 0;
            color: var(--text);
        }
        .content-topic-heading p {
            margin: 2px 0 0;
            font-size: 13px;
            color: var(--muted);
        }
        .group-label-region {
            margin-bottom: 37px;
        }
        .topic-card {
            border: 1px solid var(--border);
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow .3s ease, transform .3s ease;
            box-shadow: var(--shadow-soft);
        }
        .topic-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(14, 111, 154, .2);
        }
        .topic-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #E7EDF2;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.045);
        }
        .topic-card-tag {
            position: absolute;
            left: 13px;
            top: 13px;
            background: rgba(255, 255, 255, .91);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            box-shadow: 0 4px 16px rgba(18, 64, 88, .12);
        }
        .topic-card-body {
            padding: 19px 20px 21px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .topic-card-body h4 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text);
            margin-bottom: 8px;
        }
        .topic-card-body .card-brief {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 13px;
        }
        .topic-card-more {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s, color .2s;
        }
        .topic-card:hover .topic-card-more {
            gap: 11px;
            color: var(--primary-hover);
        }
        .wide-topic-list .wide-topic-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            background: var(--surface);
            box-shadow: var(--shadow-soft);
            overflow: hidden;
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .wide-topic-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .wide-row-card {
            display: flex;
            min-height: 180px;
        }
        .wide-row-card .wide-cover {
            width: 280px;
            flex: 0 0 280px;
            min-height: 180px;
            overflow: hidden;
            background: var(--primary-soft);
        }
        .wide-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .wide-topic-item:hover .wide-cover img {
            transform: scale(1.04);
        }
        .wide-body {
            padding: 22px 25px;
            display: flex;
            flex-direction: column;
        }
        .wide-body .wide-meta {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: .05em;
            margin-bottom: 8px;
        }
        .wide-body h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 7px;
            color: var(--text);
            line-height: 1.45;
        }
        .wide-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .section-bg-soft {
            background: linear-gradient(180deg, #F1F7FC 0%, #FBFDFF 100%);
            border-top: 1px solid rgba(14, 111, 154, .05);
            border-bottom: 1px solid rgba(14, 111, 154, .05);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 18px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 25px;
            height: 100%;
            box-shadow: var(--shadow-soft);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.78;
        }
        .faq-section {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border) !important;
            border-radius: 15px !important;
            margin-bottom: 13px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(16, 42, 62, .04);
            transition: border-color .2s ease;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(14, 111, 154, .32) !important;
        }
        .accordion-button {
            font-family: var(--font-sans);
            background: #fff !important;
            box-shadow: none !important;
            font-size: 16px;
            font-weight: 600;
            color: var(--text) !important;
            padding: 20px 22px;
            border-radius: 15px !important;
        }
        .accordion-button:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(14, 111, 154, .14) !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary) !important;
            background: #F9FCFE !important;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E6F9A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
            transition: transform .25s ease;
            width: 20px;
            height: 20px;
        }
        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E6F9A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
        }
        .accordion-body {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
            padding: 6px 22px 22px;
            border-top: 1px dashed var(--border);
        }
        .accordion-body a {
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .cta-band {
            background: var(--footer-bg);
            border-radius: 24px;
            padding: 58px 52px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            width: 340px;
            height: 340px;
            right: -80px;
            top: -110px;
            border-radius: 50%;
            background: rgba(18, 165, 148, .21);
        }
        .cta-band::after {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            left: 38%;
            bottom: -80px;
            border-radius: 50%;
            background: rgba(14, 111, 154, .23);
        }
        .cta-band-inner {
            position: relative;
            z-index: 1;
        }
        .cta-band h2 {
            font-size: clamp(1.9rem, 2.4vw + 1rem, 2.7rem);
            font-weight: 800;
            letter-spacing: -.02em;
            margin-bottom: 16px;
        }
        .cta-band p {
            color: rgba(255, 255, 255, .72);
            font-size: 16px;
            max-width: 560px;
            line-height: 1.85;
            margin-bottom: 26px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 13px;
        }
        .cta-primary {
            background: #FFFFFF;
            color: var(--text);
            padding: 13px 25px;
            border-radius: 12px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            border: 1px solid transparent;
            transition: transform .2s, background .2s, box-shadow .2s;
        }
        .cta-primary:hover {
            color: var(--primary);
            background: #F4FAFD;
            transform: translateY(-2px);
            box-shadow: 0 16px 30px rgba(0, 0, 0, .17);
        }
        .cta-secondary {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .36);
            color: #F0FAFF;
            padding: 13px 25px;
            border-radius: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            transition: background .2s, transform .2s;
        }
        .cta-secondary:hover {
            background: rgba(255, 255, 255, .16);
            color: #FFF;
            border-color: #FFF;
            transform: translateY(-2px);
        }
        .match-note {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            margin-top: 16px;
            border-top: 1px dashed var(--border);
            color: var(--muted);
            font-size: 13px;
            gap: 14px;
        }
        .match-note span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .match-dot {
            display: inline-flex;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            margin-right: 2px;
        }
        .footer-agreement {
            display: none;
        }
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            margin-top: auto;
        }
        .footer-top {
            max-width: 1200px;
            margin: 0 auto;
            padding: 58px 24px 34px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px 36px;
        }
        .footer-logo {
            font-size: 23px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 15px;
            line-height: 1.3;
        }
        .footer-top p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.85;
            max-width: 420px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: "";
            display: block;
            width: 26px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
            margin-top: 10px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            transition: color .2s, transform .2s;
        }
        .footer-links a i {
            font-size: 12px;
            color: rgba(255, 255, 255, .4);
            transition: transform .2s;
        }
        .footer-links a:hover {
            color: #FFFFFF;
            transform: translateX(2px);
        }
        .footer-links a:hover i {
            color: var(--accent);
            transform: translateX(2px);
        }
        .footer-contact-item {
            display: flex;
            gap: 10px;
            margin-bottom: 14px;
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
        }
        .footer-contact-item i {
            margin-top: 4px;
            color: var(--accent);
        }
        .footer-contact-item a {
            color: rgba(255, 255, 255, .72);
            border-bottom: 1px dashed rgba(255, 255, 255, .3);
            padding-bottom: 1px;
        }
        .footer-contact-item a:hover {
            color: #FFFFFF;
            border-color: #fff;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 24px 26px;
            border-top: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-bottom-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 17px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .44);
        }
        @media (max-width: 1199.98px) {
            .footer-top {
                grid-template-columns: 1.7fr 1fr 1fr;
            }
        }
        @media (max-width: 991.98px) {
            .section-block {
                padding: 70px 0;
            }
            .category-banner {
                padding: 70px 0 58px;
                min-height: auto;
            }
            .topic-rail {
                position: relative;
                top: auto;
                margin-bottom: 28px;
            }
            .wide-row-card {
                flex-direction: column;
            }
            .wide-row-card .wide-cover {
                width: 100%;
                flex: 0 0 auto;
                min-height: auto;
                aspect-ratio: 16 / 8;
            }
            .site-container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .footer-top {
                padding-top: 48px;
            }
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 54px 0;
            }
            .category-banner {
                padding: 56px 0 50px;
            }
            .category-page-title {
                font-size: clamp(1.9rem, 5.2vw + 1rem, 3rem);
            }
            .banner-desc {
                font-size: 16px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 36px 22px;
                padding-left: 20px;
                padding-right: 20px;
            }
            .footer-top>div:first-child {
                grid-column: 1 / -1;
            }
            .cta-band {
                padding: 38px 30px;
                border-radius: 20px;
            }
            .value-card {
                padding: 22px 19px;
            }
        }
        @media (max-width: 575.98px) {
            .site-container {
                padding-left: 17px;
                padding-right: 17px;
            }
            .category-banner {
                padding: 44px 0 42px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .banner-inline-meta {
                gap: 8px;
                margin-bottom: 21px;
            }
            .section-title {
                line-height: 1.35;
            }
            .topic-card-body {
                padding: 16px 15px 17px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-top>div:first-child {
                grid-column: auto;
            }
            .footer-bottom-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .cta-primary,
            .cta-actions .cta-secondary {
                width: 100%;
            }
        }
        @media (max-width: 360px) {
            .mobile-topbar .mobile-brand {
                font-size: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --brand: #0E6F9A;
            --brand-hover: #0A5378;
            --brand-disabled: rgba(14, 111, 154, .42);
            --brand-light: #E4F0F7;
            --accent: #12A594;
            --accent-light: #DDF3EE;
            --bg: #F6F9FC;
            --card: #FFFFFF;
            --text: #1E2A32;
            --muted: #5F7182;
            --border: #DCE7EF;
            --footer-bg: #0B2530;
            --footer-text: #DCEAF2;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-default: 0 1px 3px rgba(15, 48, 68, .06), 0 14px 32px -12px rgba(14, 111, 154, .12);
            --shadow-hover: 0 4px 10px rgba(15, 48, 68, .08), 0 24px 46px -16px rgba(14, 111, 154, .20);
            --font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            color: var(--text);
            font-weight: 700;
            line-height: 1.35;
        }
        .text-muted-light {
            color: var(--muted);
        }
        .page-wrap {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 36px;
            padding-right: 36px;
        }
        .section-space {
            padding: 92px 0;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: .72rem 1.5rem;
            transition: all .2s ease;
        }
        .btn-main {
            background: var(--brand);
            border: 1px solid var(--brand);
            color: #fff;
        }
        .btn-main:hover,
        .btn-main:focus {
            background: var(--brand-hover);
            border-color: var(--brand-hover);
            color: #fff;
            box-shadow: 0 10px 22px -6px rgba(14, 111, 154, .38);
        }
        .btn-line {
            background: transparent;
            border: 1px solid #C5D8E6;
            color: var(--brand);
        }
        .btn-line:hover,
        .btn-line:focus {
            border-color: var(--brand);
            background: var(--brand-light);
            color: var(--brand);
        }
        .btn-white {
            background: #fff;
            border: 1px solid #fff;
            color: var(--brand);
        }
        .btn-white:hover,
        .btn-white:focus {
            background: var(--brand-light);
            border-color: var(--brand-light);
            color: var(--brand-hover);
        }
        .btn-lg {
            padding: .9rem 1.8rem;
            border-radius: 999px;
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(14, 111, 154, .24);
            outline-offset: 2px;
        }

        .mobile-topbar {
            display: none;
        }

        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: #fff;
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 1045;
            padding: 0;
        }
        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 28px 20px 22px;
            overflow-y: auto;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 12px 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 22px;
        }
        .brand-mark {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--brand-light);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            flex: 0 0 44px;
        }
        .brand-name {
            font-size: 1.14rem;
            font-weight: 800;
            letter-spacing: .2px;
            line-height: 1.3;
            color: var(--text);
        }
        .nav-group-label {
            font-size: 12px;
            letter-spacing: .12em;
            padding: 0 12px 10px;
            color: #93A7B8;
            font-weight: 600;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: #40566A;
            position: relative;
            border-left: 3px solid transparent;
            font-weight: 500;
            min-height: 48px;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            color: #86A0B4;
        }
        .nav-item:hover {
            background: #F1F7FB;
            color: var(--brand);
        }
        .nav-item.active {
            background: var(--brand-light);
            color: var(--brand);
            border-left-color: var(--brand);
            font-weight: 700;
        }
        .nav-item.active i {
            color: var(--brand);
        }
        .sidebar-helper {
            margin-top: 30px;
            border-top: 1px solid var(--border);
            padding: 18px 12px 6px;
            display: grid;
            gap: 4px;
        }
        .helper-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 10px;
            border-radius: 9px;
            color: var(--muted);
            font-size: 14px;
        }
        .helper-link:hover {
            background: var(--brand-light);
            color: var(--brand);
        }
        .sidebar-help-card {
            margin-top: auto;
            background: var(--brand-light);
            border-radius: var(--radius-md);
            padding: 18px 18px;
            color: var(--text);
        }
        .sidebar-help-card strong {
            font-size: 15px;
            color: var(--brand);
        }
        .sidebar-help-card p {
            font-size: 13px;
            margin-bottom: 12px;
            color: var(--muted);
        }
        .sidebar-help-card .btn {
            width: 100%;
            padding: .55rem .8rem;
            font-size: 14px;
            border-radius: 999px;
            background: var(--brand);
            border-color: var(--brand);
            color: #fff;
        }
        .sidebar-help-card .btn:hover {
            background: var(--brand-hover);
        }
        .sidebar-backdrop {
            display: none;
        }

        .dashboard-main {
            margin-left: 280px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .dashboard-main main {
            flex: 1;
        }

        .category-hero {
            position: relative;
            background-color: #fff;
            background-image: linear-gradient(105deg, #fff 26%, rgba(239, 248, 252, .96) 48%, rgba(228, 240, 247, .70) 76%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 96px 0 80px;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--muted);
            font-size: 13px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--txt-muted);
        }
        .breadcrumb-bar a:hover {
            color: var(--brand);
        }
        .breadcrumb-bar i {
            color: #B7CAD8;
            font-size: 11px;
        }
        .category-hero h1 {
            margin: 0 0 26px;
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text);
            line-height: 1.22;
        }
        .category-hero h1 .brand-highlight {
            color: var(--brand);
        }
        .hero-lead {
            max-width: 620px;
            font-size: 1.08rem;
            line-height: 1.95;
            color: var(--muted);
            margin: 0 0 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 46px;
        }
        .hero-meta-chip {
            background: rgba(255, 255, 255, .78);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 13px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta-chip i {
            color: var(--accent);
        }

        .intro-block {
            padding: 72px 0 48px;
            background: var(--bg);
        }
        .intro-copy {
            max-width: 890px;
            background: var(--card);
            border: 1px solid var(--border);
            border-left: 4px solid var(--brand);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            color: #33495D;
            font-size: 1.02rem;
            line-height: 2;
            box-shadow: var(--shadow-default);
        }

        .section-heading {
            margin-bottom: 46px;
        }
        .section-heading .eyebrow {
            display: inline-block;
            background: var(--brand-light);
            color: var(--brand);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .section-heading h2 {
            font-size: clamp(1.6rem, 2vw + 0.8rem, 2.25rem);
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.3px;
        }
        .section-heading p {
            max-width: 720px;
            color: var(--muted);
            font-size: 1rem;
        }

        .stagger-section {
            background: var(--card);
            padding: 92px 0;
            border-top: 1px solid #EDF2F7;
            border-bottom: 1px solid #EDF2F7;
        }
        .stagger-list {
            display: grid;
            gap: 56px;
        }
        .stagger-row {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 44px;
            align-items: center;
            background: #FBFDFE;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px;
            box-shadow: var(--shadow-default);
        }
        .stagger-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--brand-light);
            min-height: 270px;
            max-height: 340px;
        }
        .stagger-media img,
        .stagger-media .media-fill {
            width: 100%;
            height: 100%;
            max-height: 340px;
            object-fit: cover;
        }
        .stagger-number {
            font-size: 13px;
            letter-spacing: .12em;
            color: var(--accent);
            font-weight: 800;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .stagger-number::after {
            content: "";
            width: 34px;
            height: 2px;
            background: var(--accent-light);
            border-radius: 2px;
            display: inline-block;
        }
        .stagger-body h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .stagger-body p {
            color: var(--muted);
            line-height: 1.95;
            margin-bottom: 20px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: #0B8177;
            padding: 4px 13px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }
        .tag-chip i {
            font-size: 12px;
        }
        .tag-chip--blue {
            background: var(--brand-light);
            color: var(--brand);
        }
        .tag-chip--plain {
            background: #F1F5F8;
            color: #6C7F92;
        }
        .stagger-row:nth-child(even) .stagger-media {
            order: 2;
        }
        .stagger-row:nth-child(even) .stagger-body {
            order: 1;
        }

        .resource-section {
            background: var(--bg);
            padding: 90px 0;
        }
        .resource-panel {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-default);
            overflow: hidden;
        }
        .resource-row {
            display: grid;
            grid-template-columns: 96px 1fr auto;
            align-items: center;
            gap: 24px;
            padding: 28px 32px;
            border-bottom: 1px solid var(--border);
            transition: background .2s ease;
        }
        .resource-row:last-child {
            border-bottom: none;
        }
        .resource-row:hover {
            background: #F7FBFD;
        }
        .resource-index {
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 1.2rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -0.5px;
        }
        .resource-row:nth-child(2) .resource-index,
        .resource-row:nth-child(4) .resource-index {
            background: var(--accent-light);
            color: var(--accent);
        }
        .resource-content h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .resource-content p {
            color: var(--muted);
            margin: 0;
            font-size: 14px;
            max-width: 680px;
            line-height: 1.85;
        }
        .resource-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 10px;
            min-width: 150px;
        }
        .resource-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand);
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
        }
        .resource-link:hover {
            color: var(--brand-hover);
        }
        .resource-link i {
            font-size: 12px;
            transition: transform .2s ease;
        }
        .resource-link:hover i {
            transform: translateX(4px);
        }

        .recommend-section {
            background: #fff;
            padding: 88px 0;
            border-top: 1px solid #EDF2F7;
            border-bottom: 1px solid #EDF2F7;
        }
        .recommend-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .recommend-card {
            flex: 1 1 calc(50% - 12px);
            background: #F7FBFD;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            min-width: 280px;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }
        .recommend-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: #C5D8E6;
        }
        .recommend-media {
            width: 36%;
            min-height: 220px;
            background-size: cover;
            background-position: center;
            background-color: var(--brand-light);
        }
        .recommend-body {
            padding: 28px 28px;
            flex: 1;
        }
        .recommend-body .tag {
            display: inline-block;
            background: var(--accent-light);
            color: #0B8177;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .recommend-body h3 {
            font-size: 1.35rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .recommend-body p {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 18px;
        }
        .recommend-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--brand);
        }
        .recommend-link i {
            transition: transform .2s ease;
        }
        .recommend-link:hover {
            color: var(--brand-hover);
        }
        .recommend-link:hover i {
            transform: translateX(4px);
        }

        .faq-section {
            background: var(--bg);
            padding: 88px 0;
        }
        .faq-wrap {
            max-width: 850px;
            margin: 0 auto;
        }
        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--card);
            margin-bottom: 16px;
            box-shadow: 0 1px 3px rgba(15, 48, 68, .03);
        }
        .accordion-button {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            background: var(--card);
            padding: 20px 24px;
            position: relative;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(228, 240, 247, .4);
            color: var(--brand);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border);
        }
        .accordion-button::after {
            background: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f067";
            color: var(--brand);
            width: 18px;
            height: 18px;
            font-size: 15px;
            transition: transform .2s ease;
        }
        .accordion-button:not(.collapsed)::after {
            content: "\f00d";
            transform: none;
        }
        .accordion-body {
            padding: 6px 24px 24px;
            color: var(--muted);
            line-height: 1.95;
            background: var(--card);
        }
        .accordion-body a {
            color: var(--brand);
            font-weight: 600;
        }

        .cta-panel-section {
            padding: 90px 0;
            background-color: var(--brand-light);
            background-image: radial-gradient(circle at 12% 18%, rgba(255, 255, 255, .72) 0%, rgba(255, 255, 255, 0) 42%), radial-gradient(circle at 88% 84%, rgba(18, 165, 148, .12) 0%, rgba(18, 165, 148, 0) 34%);
        }
        .cta-box {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid #E8EFF4;
            box-shadow: var(--shadow-default);
            padding: 52px 56px;
            text-align: center;
            max-width: 980px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: clamp(1.5rem, 2vw + 0.8rem, 2.1rem);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-box p {
            color: var(--muted);
            max-width: 610px;
            margin: 0 auto 28px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 64px 0 0;
        }
        .footer-top {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 36px 48px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 42px;
        }
        .footer-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .3px;
        }
        .footer-brand-block p {
            max-width: 340px;
            color: rgba(220, 234, 242, .68);
            line-height: 1.9;
            margin: 0;
            font-size: 14px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            letter-spacing: .04em;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 9px;
        }
        .footer-links li a {
            color: rgba(220, 234, 242, .72);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links li a:hover {
            color: #fff;
        }
        .footer-links li a i {
            font-size: 10px;
            color: #4F7182;
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(220, 234, 242, .72);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .footer-contact-item i {
            margin-top: 5px;
            color: #7FA5B8;
        }
        .footer-contact-item a {
            color: rgba(220, 234, 242, .72);
        }
        .footer-contact-item a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-bottom-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 36px;
            display: flex;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
            color: rgba(220, 234, 242, .48);
            font-size: 13px;
        }
        .footer-bottom-inner a {
            color: rgba(220, 234, 242, .62);
        }
        .footer-bottom-inner a:hover {
            color: #fff;
        }

        @media (min-width: 992px) {
            .mobile-topbar {
                display: none !important;
            }
            .sidebar-backdrop {
                display: none !important;
            }
        }
        @media (max-width: 991.98px) {
            .mobile-topbar {
                display: flex;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                height: 64px;
                background: #fff;
                border-bottom: 1px solid var(--border);
                z-index: 1070;
                align-items: center;
                justify-content: space-between;
                padding: 0 20px;
                box-shadow: 0 2px 12px rgba(15, 48, 68, .04);
            }
            .mobile-topbar .mobile-brand {
                font-size: 1.1rem;
                font-weight: 800;
                color: var(--text);
                letter-spacing: .2px;
            }
            .mobile-topbar .menu-toggle,
            .mobile-topbar .sidebar-close {
                width: 40px;
                height: 40px;
                border-radius: 10px;
                border: 1px solid var(--border);
                background: var(--bg);
                color: var(--text);
                font-size: 16px;
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-topbar .menu-toggle:hover,
            .mobile-topbar .sidebar-close:hover {
                color: var(--brand);
                border-color: var(--brand);
            }
            .app-sidebar {
                top: 64px;
                bottom: auto;
                height: calc(100vh - 64px);
                width: min(320px, 86vw);
                transform: translateX(-104%);
                transition: transform .28s ease;
                border-right: none;
                z-index: 1060;
                box-shadow: 12px 0 32px rgba(15, 48, 68, .12);
            }
            body.sidebar-open .app-sidebar {
                transform: translateX(0);
            }
            .sidebar-backdrop {
                display: block;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(15, 48, 68, .32);
                z-index: 1050;
                opacity: 0;
                pointer-events: none;
                transition: opacity .25s ease;
            }
            body.sidebar-open .sidebar-backdrop {
                opacity: 1;
                pointer-events: auto;
            }
            .dashboard-main {
                margin-left: 0;
                padding-top: 64px;
            }
            .category-hero {
                padding: 68px 0 56px;
            }
            .section-space {
                padding: 70px 0;
            }
            .stagger-row {
                grid-template-columns: 1fr;
                padding: 20px;
                gap: 30px;
            }
            .stagger-row:nth-child(even) .stagger-media,
            .stagger-row:nth-child(even) .stagger-body {
                order: initial;
            }
            .stagger-media {
                min-height: 220px;
                max-height: 340px;
            }
            .resource-row {
                grid-template-columns: 76px 1fr;
                align-items: start;
                padding: 22px;
                gap: 18px;
            }
            .resource-meta {
                grid-column: 2;
                flex-direction: row;
                align-items: center;
                min-width: 0;
            }
            .resource-index {
                width: 52px;
                height: 52px;
                border-radius: 14px;
                font-size: 1rem;
            }
            .recommend-card {
                flex: 1 1 100%;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                padding: 0 24px 40px;
            }
            .footer-bottom-inner {
                padding: 18px 24px;
            }
        }
        @media (max-width: 767.98px) {
            .page-wrap {
                padding-left: 20px;
                padding-right: 20px;
            }
            .category-hero h1 {
                font-size: clamp(1.8rem, 5vw + .5rem, 2.6rem);
            }
            .hero-lead {
                font-size: 1rem;
            }
            .intro-copy {
                padding: 20px 22px;
                font-size: .96rem;
            }
            .section-space,
            .stagger-section,
            .resource-section,
            .recommend-section,
            .faq-section,
            .cta-panel-section {
                padding: 58px 0;
            }
            .stagger-list {
                gap: 28px;
            }
            .stagger-body h3 {
                font-size: 1.3rem;
            }
            .tag-list {
                gap: 8px;
            }
            .resource-row {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .resource-meta {
                grid-column: 1;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-box {
                padding: 34px 20px;
            }
            .cta-actions .btn {
                width: 100%;
                max-width: 340px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .recommend-card {
                min-width: 0;
                flex-direction: column;
            }
            .recommend-media {
                width: 100%;
                min-height: 180px;
                max-height: 210px;
                height: 100%;
            }
            .recommend-body {
                padding: 20px 18px;
            }
        }
        @media (max-width: 575.98px) {
            body {
                font-size: 15px;
            }
            .breadcrumb-bar {
                margin-bottom: 18px;
            }
            .category-hero {
                padding: 54px 0 44px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
                margin-bottom: 18px;
            }
            .hero-actions {
                gap: 10px;
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-meta-row {
                margin-top: 28px;
                gap: 8px;
            }
            .section-heading {
                margin-bottom: 30px;
            }
            .section-heading h2 {
                font-size: 1.55rem;
            }
            .stagger-row {
                padding: 14px;
            }
            .stagger-body {
                padding-top: 6px;
            }
            .stagger-body h3 {
                font-size: 1.2rem;
            }
            .stagger-media {
                min-height: 180px;
            }
            .accordion-button {
                padding: 16px 18px;
                font-size: .95rem;
            }
            .accordion-body {
                padding-left: 18px;
                padding-right: 18px;
            }
            .cta-box {
                border-radius: 18px;
            }
            .cta-box p {
                font-size: .95rem;
            }
        }