/* roulang page: index */
:root {
    --primary:#2F80C9;
    --primary-hover:#2467A5;
    --accent:#1D5F9E;
    --gold:#E3A62F;
    --bg-soft:#EAF3F9;
    --bg-page:#F5F8FB;
    --text-main:#1F3447;
    --text-sub:#5B7286;
    --text-muted:#8CA2B5;
    --border:#DDE9F2;
    --dark:#13324F;
    --success:#2A9D6E;
    --danger:#D9534F;
    --radius-card:16px;
    --radius-lg:20px;
    --shadow-card:0 1px 2px rgba(19,50,79,.04),0 12px 32px rgba(19,50,79,.07);
    --shadow-hover:0 2px 4px rgba(19,50,79,.05),0 18px 44px rgba(19,50,79,.11);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    background:var(--bg-page);
    color:var(--text-main);
    font-size:15px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;border:0;background:none;color:inherit}
button{cursor:pointer}
a,button{outline:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(47,128,201,.45);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{line-height:1.35;letter-spacing:-.01em}
::selection{background:rgba(47,128,201,.18);color:var(--text-main)}
html{scroll-padding-top:112px}
.container{
    width:100%;
    max-width:1200px;
    margin-inline:auto;
    padding-inline:20px;
}
@media (min-width:768px){.container{padding-inline:32px}}
.section{padding-top:56px;padding-bottom:56px}
@media (min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}
.section-head{margin-bottom:34px}
.section-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;letter-spacing:.04em;
    color:var(--primary);background:var(--bg-soft);
    padding:7px 14px;border-radius:999px;margin-bottom:14px;
}
.section-title{
    font-size:26px;font-weight:700;color:var(--text-main);
    line-height:1.4;
}
@media(min-width:768px){.section-title{font-size:32px}}
.section-desc{color:var(--text-sub);max-width:720px;margin-top:12px;font-size:15px}
.card{
    background:#fff;border:1px solid rgba(221,233,242,.66);
    border-radius:var(--radius-card);box-shadow:var(--shadow-card);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-hover:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
    border-color:rgba(47,128,201,.24);
}
.text-link{color:var(--primary);font-weight:600;transition:color .2s}
.text-link:hover{color:var(--primary-hover)}
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:12px;font-weight:600;font-size:15px;line-height:1;
    padding:13px 24px;
    transition:background .2s,box-shadow .2s,transform .08s,color .2s,border-color .2s;
    white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(47,128,201,.22)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 8px 22px rgba(47,128,201,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{background:#fff;border:1px solid rgba(47,128,201,.45);color:var(--primary)}
.btn-outline:hover{background:rgba(47,128,201,.06);border-color:var(--primary);transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-lg{padding:16px 32px;border-radius:14px}

.site-topbar{
    background:rgba(245,248,251,.92);
    border-bottom:1px solid rgba(221,233,242,.7);
    font-size:13px;color:var(--text-sub);
}
.topbar-inner{max-width:1200px;margin-inline:auto;display:flex;align-items:center;gap:18px;height:36px;padding-inline:20px}
@media(min-width:1024px){.topbar-inner{padding-inline:32px}}
.site-topbar .topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block;margin-right:6px}
.topbar-right{margin-left:auto;display:flex;gap:18px}

.site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(245,248,251,.86);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    padding-top:14px;padding-bottom:14px;
}
.header-inner{
    max-width:1200px;margin-inline:auto;
    padding-inline:20px;
    background:#fff;
    border:1px solid rgba(221,233,242,.9);
    border-radius:20px;
    box-shadow:0 1px 2px rgba(19,50,79,.03),0 10px 28px rgba(19,50,79,.06);
    min-height:72px;
    display:flex;align-items:center;gap:16px;
    padding:10px 18px;
}
@media(min-width:1024px){.header-inner{padding:10px 24px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
    width:40px;height:40px;flex:none;
    background:linear-gradient(145deg,#2F80C9 0%,#1D5F9E 78%);
    border-radius:12px;color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px rgba(47,128,201,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:17px;font-weight:800;color:var(--text-main);letter-spacing:.01em}
.brand-extra{font-size:11px;color:var(--primary);font-weight:600;letter-spacing:.18em;margin-top:3px}
.site-nav{display:none;align-items:center;gap:10px;margin-inline:auto}
@media(min-width:1024px){.site-nav{display:flex}}
.nav-item{
    display:inline-flex;align-items:center;gap:8px;
    background:#fff;border:1px solid transparent;
    padding:9px 16px;border-radius:12px;
    color:var(--text-sub);font-weight:600;font-size:14px;
    transition:background .2s,border-color .2s,color .2s;
}
.nav-item svg{width:17px;height:17px;color:var(--primary)}
.nav-item:hover{background:var(--bg-soft);color:var(--primary)}
.nav-item.active{background:var(--bg-soft);color:var(--primary);border-color:rgba(47,128,201,.16)}
.nav-item.active svg{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-burger{
    width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;
    border:1px solid var(--border);color:var(--text-main);background:#fff;
}
@media(min-width:1024px){.nav-burger{display:none}}
.mobile-menu{
    background:#fff;border-radius:18px;border:1px solid var(--border);
    margin:12px 16px 0;padding:18px;
    box-shadow:var(--shadow-hover);
    display:flex;flex-direction:column;gap:8px;
}
.mobile-menu a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;color:var(--text-sub);font-weight:600}
.mobile-menu a:hover,.mobile-menu a.active{background:var(--bg-soft);color:var(--primary)}

.hero{
    position:relative;
    background:var(--bg-page);
    background-image:linear-gradient(180deg,rgba(255,255,255,.94),rgba(234,243,249,.94)),url('/assets/images/backpic/back-1.webp');
    background-size:cover;
    background-position:center;
}
.hero::before{
    content:'';position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(circle at 20% 10%,rgba(47,128,201,.05),transparent 40%),radial-gradient(circle at 80% 60%,rgba(29,95,158,.04),transparent 34%);
}
.hero-grid{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1fr;
    gap:40px;align-items:center;
    padding-top:44px;padding-bottom:56px;
}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;padding-top:76px;padding-bottom:96px;gap:64px}}
.hero-copy .eyebrow{
    display:inline-flex;align-items:center;gap:7px;
    background:#fff;border:1px solid rgba(47,128,201,.15);
    border-radius:999px;padding:8px 16px;
    font-size:13px;font-weight:600;color:var(--accent);
    box-shadow:0 6px 18px rgba(19,50,79,.06);
}
.hero h1{
    margin-top:22px;
    font-size:clamp(28px,5vw,44px);
    font-weight:700;
    color:var(--text-main);
    line-height:1.25;
}
.hero-lead{
    margin-top:18px;color:var(--text-sub);font-size:16px;
    max-width:620px;
}
@media(min-width:768px){.hero-lead{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.hero-tag{
    display:inline-flex;align-items:center;gap:7px;
    background:#fff;border:1px solid var(--border);
    color:var(--text-sub);font-size:13px;font-weight:500;
    padding:7px 13px;border-radius:999px;
}
.hero-tag svg{width:15px;height:15px;color:var(--success)}
.login-card{
    background:#fff;border:1px solid rgba(221,233,242,.9);
    border-radius:20px;box-shadow:0 2px 6px rgba(19,50,79,.04),0 32px 72px rgba(19,50,79,.1);
    padding:30px;width:100%;max-width:460px;margin-inline:auto;
}
@media(min-width:1024px){.login-card{max-width:none}}
.form-title{font-size:21px;font-weight:700;color:var(--text-main);display:flex;align-items:center;gap:8px}
.form-sub{font-size:13px;color:var(--text-muted);margin-top:4px}
.form-item{display:flex;flex-direction:column;gap:7px;margin-top:18px}
.form-item label{font-size:13px;font-weight:600;color:var(--text-main)}
.form-input{
    width:100%;height:46px;border:1px solid #D9E3EC;background:#fff;
    border-radius:12px;padding:0 14px;font-size:14px;color:var(--text-main);
    transition:border-color .2s,box-shadow .2s;
}
.form-input::placeholder{color:#9fb1c1}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(47,128,201,.15)}
.input-affix{position:relative}
.input-affix .form-input{padding-right:46px}
.affix-btn{
    position:absolute;right:6px;top:50%;transform:translateY(-50%);
    width:36px;height:36px;display:flex;align-items:center;justify-content:center;
    color:var(--text-muted);border-radius:8px;
}
.affix-btn:hover{background:var(--bg-soft);color:var(--primary)}
.verify-row{display:grid;grid-template-columns:1fr 110px;gap:10px}
.verify-box{
    height:46px;border-radius:12px;border:1px solid var(--border);
    background:var(--bg-soft);display:flex;align-items:center;justify-content:center;
    font-weight:800;letter-spacing:4px;color:var(--accent);font-size:16px;cursor:pointer;
    transition:background .2s;
}
.verify-box:hover{background:#dceaf4}
.form-option{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:12px}
.checkbox-label{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--text-sub);cursor:pointer}
.checkbox-label input{width:16px;height:16px;accent-color:var(--primary)}
.forgot-link{font-size:13px;color:var(--primary);font-weight:600}
.forgot-link:hover{color:var(--primary-hover)}
.login-submit{margin-top:22px}
.login-tip{font-size:12px;color:var(--text-muted);text-align:center;margin-top:15px;line-height:1.6}
.login-tip a{color:var(--primary);font-weight:600}

.entry-icon{
    width:44px;height:44px;border-radius:12px;flex-shrink:0;
    display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(145deg,#f2f8fb,#e4f0f7);
    color:var(--primary);
    box-shadow:inset 0 0 0 1px rgba(47,128,201,.08);
}
.entry-icon svg{width:22px;height:22px}
.intro-panel{
    background:linear-gradient(155deg,rgba(234,243,249,.86) 0%,#fff 70%);
    border:1px solid rgba(221,233,242,.78);
    border-radius:20px;padding:30px;
    box-shadow:var(--shadow-card);
    display:flex;flex-direction:column;justify-content:space-between;
    min-height:100%;
}
.intro-panel h3{font-size:20px;font-weight:700;color:var(--text-main);line-height:1.45}
.intro-panel p{margin-top:12px;color:var(--text-sub);font-size:15px}
.intro-panel-feature{display:flex;align-items:center;gap:10px;margin-top:22px;font-size:14px;color:var(--text-main)}
.entry-card{
    background:#fff;border-radius:18px;border:1px solid rgba(221,233,242,.8);
    box-shadow:var(--shadow-card);padding:24px;
    display:flex;flex-direction:column;gap:14px;min-height:100%;
    transition:transform .22s,box-shadow .22s,border-color .22s;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,128,201,.25)}
.entry-card .entry-title{font-size:17px;font-weight:600;color:var(--text-main)}
.entry-card .entry-desc{color:var(--text-sub);font-size:14px}
.entry-more{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:5px;margin-top:auto}
.entry-more:hover{color:var(--primary-hover)}

.screenshot-section{padding-top:20px;padding-bottom:56px}
@media(min-width:1024px){.screenshot-section{padding-top:40px;padding-bottom:96px}}
.screenshot-panel{
    background:#fff;border:1px solid var(--border);border-radius:24px;
    box-shadow:var(--shadow-hover);padding:28px 18px 32px;
}
@media(min-width:768px){.screenshot-panel{padding:44px 56px 36px}}
.screenshot-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.carousel-wrap{position:relative}
.carousel-viewport{
    overflow-x:auto;scroll-snap-type:x mandatory;
    scrollbar-width:none;padding-bottom:14px;
}
.carousel-viewport::-webkit-scrollbar{display:none}
.carousel-track{display:flex;gap:16px;align-items:center}
.carousel-slide{
    flex:0 0 88%;
    scroll-snap-align:center;
    border-radius:16px;overflow:hidden;
    background:var(--bg-soft);
    border:1px solid var(--border);
    box-shadow:0 2px 4px rgba(19,50,79,.02);
    transition:min-height .3s ease;
}
@media(min-width:768px){.carousel-slide{flex-basis:82%;min-width:680px}}
.carousel-slide img,.carousel-slide .pseudo-image{width:100%;aspect-ratio:16/9;object-fit:cover}
.carousel-caption{text-align:center;font-size:14px;color:var(--text-sub);margin-top:20px}
.carousel-controls{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:8px}
.carousel-arrow{
    width:42px;height:42px;border-radius:50%;background:#fff;
    border:1px solid var(--border);color:var(--primary);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px rgba(19,50,79,.08);
    transition:background .2s,border-color .2s;
}
.carousel-arrow:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.carousel-dots{display:flex;gap:8px}
.carousel-dot{width:8px;height:8px;border-radius:999px;background:#c7d8e5;padding:0;transition:width .2s,background .2s}
.carousel-dot.active{width:24px;background:var(--primary)}

.env-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.env-grid{grid-template-columns:1fr 1fr}}
.env-card{background:#fff;border-radius:20px;border:1px solid rgba(221,233,242,.8);box-shadow:var(--shadow-card);padding:30px;overflow:hidden;position:relative}
.env-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--primary);border-radius:0 4px 4px 0}
.env-head{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.env-head h3{font-size:19px;font-weight:700;margin:0}
.env-list{display:flex;flex-direction:column;gap:16px}
.env-list li{display:flex;gap:14px;align-items:flex-start}
.env-mini{width:40px;height:40px;flex-shrink:0;border-radius:11px;background:var(--bg-soft);color:var(--primary);display:flex;align-items:center;justify-content:center}
.env-mini svg{width:20px;height:20px}
.env-main strong{display:block;font-size:15px;color:var(--text-main);font-weight:600}
.env-main span{font-size:13px;color:var(--text-sub);line-height:1.6}

.news-card{
    background:#fff;border:1px solid rgba(221,233,242,.8);border-radius:16px;
    box-shadow:var(--shadow-card);overflow:hidden;height:100%;
    display:flex;flex-direction:column;
    transition:transform .22s,box-shadow .22s,border-color .22s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(47,128,201,.25)}
.news-cover{aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden;position:relative}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.035)}
.news-badge{
    position:absolute;left:10px;bottom:10px;z-index:2;
    background:rgba(234,243,249,.95);color:var(--accent);
    font-size:12px;font-weight:600;padding:5px 10px;border-radius:999px;
    backdrop-filter:blur(4px);
}
.news-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17px;font-weight:600;color:var(--text-main);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-summary{font-size:14px;color:var(--text-sub);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:13px;margin-top:auto}
.news-meta .more-arrow{margin-left:auto;color:var(--primary);display:inline-flex;align-items:center;gap:4px;font-weight:600}
.empty-news{
    border:1px dashed #b7ccda;border-radius:18px;background:#fdfeff;
    padding:46px 20px;text-align:center;color:var(--text-sub);
}
.empty-news svg{width:34px;height:34px;color:#a7bfd0;margin-inline:auto}
.empty-news strong{display:block;font-size:16px;color:var(--text-main);margin-top:12px}
.empty-news p{font-size:13px;color:var(--text-muted);margin-top:4px}

.review-section.press-block{
    background:linear-gradient(180deg,#f5f8fb,#eef5fa);
    border-block:1px solid rgba(221,233,242,.55);
    padding-top:72px;padding-bottom:72px;
}
.review-card{background:#fff;border-radius:18px;border:1px solid var(--border);box-shadow:var(--shadow-card);padding:24px;height:100%;display:flex;flex-direction:column}
.review-featured .review-quote{font-size:18px}
.review-featured{background:linear-gradient(150deg,#fff,rgba(234,243,249,.75));border-radius:22px}
.stars{display:flex;gap:3px;color:var(--gold)}
.stars svg{width:15px;height:15px}
.featured-stars svg{width:18px;height:18px}
.review-text{margin-top:12px;color:var(--text-main);font-size:15px;flex:1}
.review-featured .review-text{font-size:16px;line-height:1.85}
.review-person{display:flex;align-items:center;gap:10px;margin-top:20px}
.avatar{
    width:38px;height:38px;border-radius:50%;color:#fff;font-size:14px;font-weight:700;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.avatar-a{background:#2F80C9}.avatar-b{background:#1D5F9E}.avatar-c{background:#4A90B8}.avatar-d{background:#3D7FA6}.avatar-e{background:#266A9E}
.review-person-name{font-size:14px;font-weight:600;color:var(--text-main)}
.review-person-role{font-size:12px;color:var(--text-muted)}

.faq-section{background:#fff;padding-top:72px;padding-bottom:72px;border-bottom:1px solid rgba(221,233,242,.6)}
@media(min-width:1024px){.faq-section{padding-top:96px;padding-bottom:96px}}
.faq-wrap{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:5fr 7fr;gap:64px}}
.faq-intro{position:sticky;top:120px;align-self:start}
.support-mini{
    margin-top:28px;background:var(--bg-soft);border:1px solid rgba(47,128,201,.14);
    border-radius:16px;padding:20px;font-size:14px;color:var(--text-sub);
}
.support-mini strong{display:block;color:var(--text-main);margin-bottom:6px;font-size:16px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:0 1px 2px rgba(19,50,79,.03);transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:rgba(47,128,201,.4);box-shadow:var(--shadow-card)}
.faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:15px;
    padding:19px 22px;text-align:left;color:var(--text-main);font-weight:600;font-size:16px;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
    width:22px;height:22px;border-radius:50%;background:var(--bg-soft);flex-shrink:0;
    position:relative;color:var(--primary);transition:background .2s,color .2s,transform .2s;
}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;top:50%;left:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:9px;height:1.6px}
.faq-icon::after{width:1.6px;height:9px}
.faq-item.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 19px;font-size:14px;color:var(--text-sub);line-height:1.85}

.cta-block{
    background:#13324F;
    border-radius:24px;
    color:#fff;
    overflow:hidden;
    position:relative;
    padding:48px 24px;
    margin-bottom:72px;
    background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.14) 1px,transparent 0);
    background-size:26px 26px;
}
@media(min-width:768px){.cta-block{padding:64px 72px}}
.cta-block h2{font-size:29px;line-height:1.4;color:#fff;font-weight:700}
.cta-block .cta-desc{color:rgba(255,255,255,.82);font-size:15px;margin-top:10px;max-width:720px}
.platform-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.platform-btn{
    display:inline-flex;align-items:center;gap:9px;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
    padding:12px 18px;border-radius:12px;color:#fff;font-weight:600;font-size:14px;
    transition:background .2s,border-color .2s,transform .2s;
}
.platform-btn:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.6);transform:translateY(-2px)}
.platform-btn svg{width:19px;height:19px}
.cta-main-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px;align-items:center}
.cta-grid{display:grid;grid-template-columns:1fr;gap:36px;margin-top:30px;align-items:center}
@media(min-width:1024px){.cta-grid{grid-template-columns:1fr 220px}}
.qr-placeholder{
    width:170px;height:170px;background:#fff;border-radius:16px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:8px;color:var(--text-muted);text-align:center;
    margin-inline:auto;padding:12px;
    box-shadow:0 10px 30px rgba(0,0,0,.22);
}
.qr-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;width:108px}
.qr-cell{aspect-ratio:1;background:#d7e6f0}
.qr-grid .off{background:transparent}
.qr-label{font-size:12px;color:var(--text-sub);max-width:120px}

.site-footer{background:var(--dark);color:rgba(255,255,255,.72);font-size:14px}
.footer-main{padding:64px 0 40px;display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-main{grid-template-columns:repeat(12,1fr)}}
.footer-brand{grid-column:span 12}
@media(min-width:768px){.footer-brand{grid-column:span 5}}
.footer-col{grid-column:span 6}
@media(min-width:1024px){.footer-brand{grid-column:span 5}.footer-col{grid-column:span 2}}
.footer-col-three{grid-column:span 12}
@media(min-width:768px){.footer-col-three{grid-column:span 3}.footer-col:last-child{grid-column:span 3}}
.footer-brand-name{display:flex;align-items:center;gap:10px}
.footer-logo{width:38px;height:38px;border-radius:11px;background:rgba(47,128,201,.95);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.footer-brand h3{color:#fff;font-size:20px;font-weight:700;line-height:1.25}
.footer-brand h3 span{display:block;font-size:11px;letter-spacing:.14em;color:#aac8e6}
.footer-desc{margin-top:14px;line-height:1.75}
.footer-h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-link{display:flex;align-items:center;gap:7px;padding:5px 0;color:rgba(255,255,255,.68);transition:color .2s;font-size:14px}
.footer-link:hover{color:#fff}
.footer-link svg{width:14px;height:14px;color:rgba(47,128,201,.7)}
.footer-info-item{display:flex;gap:8px;padding:4px 0;color:rgba(255,255,255,.66);align-items:flex-start;line-height:1.6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:13px;color:rgba(255,255,255,.48)}
.footer-bottom-inner{display:flex;flex-direction:column;gap:8px;justify-content:space-between;padding-inline:20px}
@media(min-width:768px){.footer-bottom-inner{flex-direction:row}}
.footer-icp{opacity:.7}
.icp-space{height:2px}
@media(max-width:767px){
    .section-head .row-actions{margin-top:14px}
}

/* roulang page: category1 */
:root {
        --primary: #2F80C9;
        --primary-hover: #2467A5;
        --primary-deep: #1D5F9E;
        --accent: #E3A62F;
        --bg-soft: #EAF3F9;
        --bg-page: #F5F8FB;
        --card-bg: #FFFFFF;
        --text-main: #1F3447;
        --text-sub: #5B7286;
        --text-weak: #8CA2B5;
        --border: #DDE9F2;
        --dark: #13324F;
        --error: #D9534F;
        --success: #2A9D6E;
        --radius: 16px;
        --radius-lg: 20px;
        --radius-btn: 12px;
        --shadow-card: 0 1px 2px rgba(19,50,79,0.04), 0 12px 32px rgba(19,50,79,0.07);
        --shadow-hover: 0 2px 4px rgba(19,50,79,0.05), 0 18px 44px rgba(19,50,79,0.11);
    }
    html { scroll-behavior: smooth; }
    body {
        font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        background-color: var(--bg-page);
        color: var(--text-main);
        line-height: 1.6;
        font-size: 15px;
        -webkit-font-smoothing: antialiased;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    button { font-family: inherit; cursor: pointer; background: none; border: none; }
    .container { max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
    @media (min-width: 1024px) { .container { padding-left: 32px; padding-right: 32px; } }
    .site-header {
        padding-top: 16px;
        position: sticky;
        top: 0;
        z-index: 60;
        background: transparent;
        transition: all .3s ease;
    }
    .site-header.scrolled { padding-top: 0; }
    .header-inner {
        background: rgba(255,255,255,.96);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 10px 14px;
        max-width: 1200px;
        margin: 0 auto;
        border: 1px solid rgba(255,255,255,.6);
    }
    @media (min-width:1024px) {
        .header-inner { gap: 20px; padding: 12px 20px; }
    }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
    .brand-mark {
        width: 36px; height: 36px;
        flex: none;
        border-radius: 12px;
        background: var(--bg-soft);
        display: inline-flex; align-items: center; justify-content: center;
        color: var(--primary);
        border: 1px solid rgba(47,128,201,.12);
    }
    .brand-text { display: flex; flex-direction: column; line-height: 1.15; }
    .brand-name { font-size: 18px; font-weight: 700; color: var(--text-main); letter-spacing: .02em; }
    .brand-extra { font-size: 11px; font-weight: 600; color: var(--primary-deep); letter-spacing: .08em; }
    .site-nav { display: none; align-items: center; gap: 6px; flex: 1; }
    @media (min-width:1024px) { .site-nav { display: inline-flex; } }
    .nav-item {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        padding: 8px 14px;
        border-radius: 12px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-sub);
        white-space: nowrap;
        transition: all .2s ease;
        border: 1px solid transparent;
    }
    .nav-item svg { width: 16px; height: 16px; opacity: .75; flex: none; }
    .nav-item:hover { background: var(--bg-soft); color: var(--primary); }
    .nav-item.active { background: var(--bg-soft); color: var(--primary); font-weight: 600; border-color: rgba(47,128,201,.16); }
    .nav-actions { display: inline-flex; align-items: center; gap: 8px; margin-left: auto; flex-shrink: 0; }
    .nav-burger { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 10px; color: var(--text-sub); background: var(--bg-soft); }
    .nav-burger:hover { background: #dbeaf2; color: var(--primary); }
    @media (min-width:1024px) { .nav-burger { display: none; } }
    .mobile-nav {
        display: none;
        margin-top: 8px;
        background: #fff;
        border-radius: 16px;
        box-shadow: var(--shadow-card);
        padding: 10px;
        max-width: 1200px;
        margin-left: auto; margin-right: auto;
    }
    .mobile-nav.open { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
    .mobile-nav .nav-item { display: flex; }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-btn); font-weight: 600; font-size: 15px; padding: 11px 22px; transition: all .22s ease; border: 1px solid transparent; text-align: center; }
    .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(47,128,201,.24); }
    .btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(47,128,201,.3); }
    .btn-primary:active { transform: translateY(1px); box-shadow: 0 2px 8px rgba(47,128,201,.22); }
    .btn-outline { background: #fff; border-color: rgba(47,128,201,.32); color: var(--primary); }
    .btn-outline:hover { background: var(--bg-soft); border-color: rgba(47,128,201,.5); }
    .btn-white { background: #fff; color: var(--dark); }
    .btn-white:hover { background: rgba(255,255,255,.88); transform: translateY(-1px); }
    .btn-ghost { border-color: rgba(255,255,255,.6); color: #fff; background: transparent; }
    .btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
    .btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 10px; }
    .btn-lg { padding: 14px 30px; font-size: 16px; }
    *:focus-visible { outline: 3px solid rgba(47,128,201,.45); outline-offset: 2px; border-radius: 6px; }
    .hero-section { position: relative; overflow: hidden; }
    .hero-bg {
        position: absolute; inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover; background-position: center;
        opacity: .14;
    }
    .hero-veil {
        position: absolute; inset: 0;
        background: linear-gradient(180deg, rgba(245,248,251,.92) 0%, rgba(245,248,251,.85) 50%, rgba(245,248,251,.96) 100%);
    }
    .hero-pattern {
        position: absolute; inset: 0;
        background-image: radial-gradient(rgba(47,128,201,.22) 1px, transparent 1px);
        background-size: 26px 26px;
        opacity: .2;
        pointer-events: none;
    }
    .login-panel { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); border: 1px solid rgba(221,233,242,.8); }
    .form-input {
        width: 100%; height: 46px;
        border-radius: 10px;
        border: 1px solid var(--border);
        background: #f9fbfd;
        padding: 0 14px;
        font-size: 15px;
        color: var(--text-main);
        transition: border .2s, box-shadow .2s;
    }
    .form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(47,128,201,.16); background: #fff; }
    .form-select { border: 1px solid var(--border); border-left: none; background: #fff; border-radius: 0 10px 10px 0; font-size: 14px; color: var(--text-main); }
    .code-input { border-radius: 10px 0 0 10px; }
    .code-btn { background: var(--bg-soft); border: 1px solid var(--border); border-left: none; border-radius: 0 10px 10px 0; font-size: 14px; color: var(--primary); font-weight: 600; padding: 0 14px; white-space: nowrap; }
    .section { padding: 56px 0; }
    @media (min-width:768px) { .section { padding: 72px 0; } }
    .section-headline { font-size: 26px; font-weight: 700; color: var(--text-main); line-height: 1.4; }
    @media (min-width:768px) { .section-headline { font-size: 28px; } }
    .section-sub { font-size: 15px; color: var(--text-sub); line-height: 1.75; margin-top: 8px; }
    .card-white { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-card); border: 1px solid rgba(221,233,242,.5); }
    .card-white:hover { box-shadow: var(--shadow-hover); }
    .feature-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; color: var(--primary); flex: none; }
    .nav-card { border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-card); border: 1px solid rgba(221,233,242,.5); padding: 18px; }
    .badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; background: var(--bg-soft); color: var(--primary); font-weight: 500; }
    .quote-mark { color: rgba(47,128,201,.25); font-size: 36px; line-height: 1; font-weight: 700; }
    .faq-icon { transition: transform .3s ease; color: var(--primary); }
    .faq-item.open .faq-icon { transform: rotate(45deg); }
    .faq-answer { max-height: 0; overflow: hidden; transition: max-height .32s ease; }
    .cta-av { display: flex; flex-wrap: wrap; gap: 18px; }
    .footer-pattern { background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px); background-size: 18px 18px; }
    .scroll-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 14px; scrollbar-width: none; }
    .scroll-track::-webkit-scrollbar { display: none; }
    .screenshot-slide { flex: 0 0 85%; scroll-snap-align: center; }
    @media (min-width:768px) { .screenshot-slide { flex-basis: 60%; } }
    @media (min-width:1024px) { .screenshot-slide { flex-basis: 70%; } }
    .img-card { border-radius: 14px; overflow: hidden; background: var(--bg-soft); }
    .line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .step-card { background: #fff; border-radius: var(--radius-lg); border: 1px solid rgba(221,233,242,.7); padding: 34px 22px 26px; position: relative; transition: box-shadow .22s, transform .22s; }
    .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .step-num { position: absolute; top: -18px; left: 22px; width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; box-shadow: 0 6px 14px rgba(47,128,201,.26); }
    @media (max-width:767px) { .section-headline { font-size: 22px; } }

.site-footer { background-color: #13324F; color: #A8C4DA; padding: 56px 0 0 0; }
    .footer-main { display: grid; grid-template-columns: 1fr; gap: 36px; padding-bottom: 36px; }
    @media (min-width:768px) and (max-width:1023px) {
        .footer-main { grid-template-columns: repeat(2, 1fr); }
    }
    @media (min-width: 1024px) {
        .footer-main { grid-template-columns: 2fr 1.2fr 1fr 1.3fr; gap: 40px; }
    }
    .footer-brand-name { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
    .footer-brand-name h3 { color: #fff; font-size: 18px; font-weight: 600; }
    .footer-brand-name h3 span { color: #E3A62F; font-weight: 400; margin-left: 5px; font-size: 14px; }
    .footer-logo { width: 32px; height: 32px; background: rgba(255,255,255,.08); border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; color: #2F80C9; }
    .footer-desc { font-size: 14px; line-height: 1.8; color: #A8C4DA; max-width: 320px; }
    .footer-col { display: flex; flex-direction: column; gap: 2px; }
    .footer-h3 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 12px; }
    .footer-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: #A8C4DA; padding: 4px 0; transition: color .2s; }
    .footer-link svg { width: 14px; height: 14px; color: #2F80C9; }
    .footer-link:hover { color: #fff; }
    .footer-info-item { display: flex; gap: 10px; font-size: 14px; margin-bottom: 10px; color: #A8C4DA; line-height: 1.7; align-items: flex-start; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0 24px; font-size: 13px; color: #8CA2B5; display: flex; justify-content: center; text-align: center; }
    .footer-bottom p { margin: 0; }
    @media (max-width: 767px) {
        .footer-bottom { flex-direction: column; gap: 4px; }
    }

/* roulang page: article */
:root {
    --primary: #2F80C9;
    --primary-hover: #2467A5;
    --primary-deep: #1D5F9E;
    --accent: #E3A62F;
    --soft-blue: #EAF3F9;
    --page-bg: #F5F8FB;
    --card-bg: #FFFFFF;
    --text-main: #1F3447;
    --text-sub: #5B7286;
    --text-light: #8CA2B5;
    --line: #DDE9F2;
    --deep-block: #13324F;
    --danger: #D9534F;
    --success: #2A9D6E;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow-card: 0 1px 2px rgba(19, 50, 79, 0.04), 0 12px 32px rgba(19, 50, 79, 0.07);
    --shadow-hover: 0 2px 4px rgba(19, 50, 79, 0.05), 0 18px 44px rgba(19, 50, 79, 0.11);
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    margin: 0;
    background: var(--page-bg);
    color: var(--text-main);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img {
    max-width: 100%;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  button,
  input,
  textarea {
    font-family: inherit;
  }
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
  }
  .site-header {
    position: relative;
    z-index: 50;
    padding: 16px 0 6px;
  }
  .header-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 2px rgba(19, 50, 79, 0.04), 0 16px 40px rgba(19, 50, 79, 0.06);
    padding: 10px 12px 10px 18px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    padding: 4px 4px 4px 0;
  }
  .brand-mark {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #EAF3F9;
    color: #1D5F9E;
    border: 1px solid rgba(47, 128, 201, 0.12);
    border-radius: 14px;
    transition: all 0.3s ease;
  }
  .brand:hover .brand-mark {
    background: #DFEBF4;
    color: #2F80C9;
  }
  .brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    min-width: 0;
  }
  .brand-name {
    color: #1F3447;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.02em;
  }
  .brand-extra {
    color: #5B7286;
    font-size: 12px;
    font-weight: 500;
    margin-top: 2px;
    letter-spacing: 0.08em;
  }
  .site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 8px;
    flex-wrap: wrap;
  }
  .nav-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 13px;
    background: #EAF3F9;
    border: 1px solid transparent;
    border-radius: 12px;
    color: #1F3447;
    font-weight: 500;
    line-height: 1.2;
    transition: all 0.25s ease;
  }
  .nav-item svg {
    width: 16px;
    height: 16px;
    color: #1D5F9E;
  }
  .nav-item:hover {
    background: #FFFFFF;
    border-color: rgba(47, 128, 201, 0.22);
    color: #2467A5;
    transform: translateY(-1px);
  }
  .nav-item:hover svg {
    color: #2F80C9;
  }
  .nav-item.active {
    background: #EAF3F9;
    border-color: #2F80C9;
    color: #2F80C9;
    font-weight: 600;
  }
  .nav-item.active svg {
    color: #2F80C9;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    padding: 12px 22px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
  }
  .btn:hover {
    transform: translateY(-1px);
  }
  .btn:active {
    transform: translateY(0);
  }
  .btn-primary {
    background: #2F80C9;
    color: #fff;
  }
  .btn-primary:hover {
    background: #2467A5;
  }
  .btn-secondary {
    background: #FFFFFF;
    border-color: #2F80C9;
    color: #2F80C9;
  }
  .btn-secondary:hover {
    background: rgba(47, 128, 201, 0.06);
  }
  .nav-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
  }
  .btn-sm {
    padding: 10px 18px;
    font-size: 14px;
  }
  .nav-burger {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: #EAF3F9;
    color: #2467A5;
    border: 1px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .nav-burger:hover {
    background: #FFFFFF;
    border-color: rgba(47, 128, 201, 0.28);
  }
  .btn:focus-visible,
  .nav-item:focus-visible,
  .nav-burger:focus-visible,
  .ilink:focus-visible,
  .faq-q:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 128, 201, 0.45);
  }

  .main {
    padding: 28px 0 64px;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #8CA2B5;
    margin-bottom: 20px;
    overflow: hidden;
    white-space: nowrap;
  }
  .breadcrumb a {
    color: #2F80C9;
    transition: color 0.2s ease;
  }
  .breadcrumb a:hover {
    color: #2467A5;
  }

  .article-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 26px;
    align-items: start;
  }
  .article-card {
    background: #FFFFFF;
    border-radius: 22px;
    border: 1px solid rgba(221, 233, 242, 0.7);
    box-shadow: var(--shadow-card);
    padding: 32px 36px;
    min-width: 0;
    overflow: hidden;
  }
  .article-title {
    color: #1F3447;
    font-size: clamp(27px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 18px;
    letter-spacing: -0.02em;
  }
  .article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    border-top: 1px solid #EDF3F8;
    border-bottom: 1px solid #EDF3F8;
    padding: 12px 0;
    margin-bottom: 24px;
    color: #8CA2B5;
    font-size: 13px;
  }
  .meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    background: #EAF3F9;
    color: #2F80C9;
    border-radius: 999px;
    font-weight: 500;
    font-size: 12px;
  }
  .meta-divider {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: #8CA2B5;
    flex-shrink: 0;
  }

  .article-body {
    font-size: 16px;
    line-height: 1.9;
    color: #325060;
    overflow-wrap: break-word;
  }
  .article-body > * + * {
    margin-top: 22px;
  }
  .article-body p {
    color: #3D5A75;
    margin: 0;
  }
  .article-body h2 {
    font-size: 22px;
    font-weight: 700;
    color: #1F3447;
    padding-left: 14px;
    border-left: 3px solid #2F80C9;
    margin: 34px 0 16px;
    line-height: 1.5;
  }
  .article-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1F3447;
    margin: 28px 0 12px;
  }
  .article-body ul,
  .article-body ol {
    margin: 0;
    padding-left: 22px;
  }
  .article-body li {
    padding: 2px 0;
  }
  .article-body li::marker {
    color: #2F80C9;
  }
  .article-body blockquote {
    margin: 22px 0;
    padding: 16px 20px;
    background: #F5F9FD;
    border-left: 3px solid #2F80C9;
    border-radius: 0 12px 12px 0;
    color: #325060;
  }
  .article-body a {
    color: #2F80C9;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
  }
  .article-body a:hover {
    color: #2467A5;
  }
  .article-body img {
    border-radius: 14px;
    border: 1px solid #EDF3F8;
    box-shadow: var(--shadow-card);
  }
  .article-body code {
    background: #EAF3F9;
    border-radius: 6px;
    padding: 2px 6px;
    font-size: 14px;
    color: #2467A5;
  }
  .article-body pre {
    background: #13324F;
    color: #EAF3F9;
    border-radius: 14px;
    padding: 18px;
    overflow-x: auto;
  }
  .article-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
  }
  .article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    border-top: 1px solid #EDF3F8;
    padding-top: 22px;
    margin-top: 34px;
  }
  .article-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #EAF3F9;
    color: #2467A5;
    padding: 5px 12px;
    font-size: 13px;
    border-radius: 999px;
    font-weight: 500;
  }
  .article-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 70px 20px 20px;
    text-align: center;
  }
  .empty-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: #EAF3F9;
    color: #2F80C9;
  }

  .article-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 24px;
  }
  .side-box {
    background: #FFFFFF;
    border-radius: 18px;
    border: 1px solid rgba(221, 233, 242, 0.7);
    box-shadow: 0 1px 2px rgba(19, 50, 79, 0.03), 0 8px 24px rgba(19, 50, 79, 0.05);
    padding: 20px;
  }
  .side-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: #1F3447;
    margin: 0 0 14px;
    line-height: 1.4;
  }
  .side-title svg {
    color: #2F80C9;
    flex-shrink: 0;
  }
  .side-text {
    font-size: 14px;
    line-height: 1.8;
    color: #5B7286;
    margin: 0 0 14px;
  }
  .side-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #EAF3F9;
    border-radius: 12px;
    padding: 10px 14px;
    color: #2467A5;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.25s ease;
    border: 1px solid transparent;
  }
  .side-link:hover {
    background: #FFFFFF;
    border-color: rgba(47, 128, 201, 0.25);
    box-shadow: 0 8px 22px rgba(47, 128, 201, 0.10);
  }
  .side-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
  }
  .side-list a {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #3D5A75;
    border-radius: 10px;
    padding: 7px 8px;
    transition: all 0.2s ease;
  }
  .side-list a:hover {
    background: #F5F9FD;
    color: #2F80C9;
  }
  .side-list .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2F80C9;
    margin-top: 8px;
    flex-shrink: 0;
  }

  .pn-section {
    margin-top: 58px;
  }
  .section-title {
    font-size: 22px;
    font-weight: 700;
    color: #1F3447;
    margin: 0 0 8px;
    line-height: 1.4;
  }
  .section-sub {
    color: #5B7286;
    font-size: 14px;
    margin: 0 0 24px;
  }
  .pn-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  .pn-card {
    background: #FFFFFF;
    border: 1px solid #E8F0F6;
    border-radius: 16px;
    padding: 16px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 1px 2px rgba(19, 50, 79, 0.03), 0 8px 20px rgba(19, 50, 79, 0.04);
    transition: all 0.25s ease;
  }
  .pn-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: #CFE3F2;
  }
  .pn-card svg {
    color: #1D5F9E;
  }
  .pn-label {
    font-size: 12px;
    color: #8CA2B5;
    display: block;
    margin-bottom: 2px;
  }
  .pn-title {
    font-size: 15px;
    color: #1F3447;
    font-weight: 600;
  }

  .rel-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .rel-card {
    background: #FFFFFF;
    border: 1px solid #E8F0F6;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(19, 50, 79, 0.03), 0 10px 24px rgba(19, 50, 79, 0.05);
    transition: all 0.25s ease;
  }
  .rel-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: #CFE3F2;
  }
  .rel-cover {
    aspect-ratio: 16 / 9;
    background: #EAF3F9;
    overflow: hidden;
  }
  .rel-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .rel-body {
    padding: 14px 16px 16px;
  }
  .rel-cat {
    display: inline-flex;
    font-size: 12px;
    color: #2F80C9;
    background: #EAF3F9;
    border-radius: 999px;
    padding: 2px 10px;
    margin-bottom: 8px;
  }
  .rel-card h4 {
    font-size: 16px;
    line-height: 1.5;
    font-weight: 600;
    color: #1F3447;
    margin: 0 0 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .rel-post {
    color: #8CA2B5;
    font-size: 13px;
    margin: 0;
  }

  .faq-section {
    padding: 64px 0 10px;
  }
  .faq-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
    gap: 30px;
    align-items: start;
  }
  .faq-intro .btn {
    margin-top: 12px;
  }
  .faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .faq-item {
    background: #FFFFFF;
    border: 1px solid #E8F0F6;
    border-radius: 16px;
    box-shadow: 0 1px 2px rgba(19, 50, 79, 0.03), 0 8px 20px rgba(19, 50, 79, 0.04);
    overflow: hidden;
    transition: all 0.25s ease;
  }
  .faq-item.open {
    box-shadow: var(--shadow-card);
    border-color: #CFE3F2;
  }
  .faq-q {
    width: 100%;
    border: 0;
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 15px 18px;
    font-size: 15px;
    font-weight: 600;
    color: #1F3447;
    cursor: pointer;
    text-align: left;
    transition: color 0.2s ease;
  }
  .faq-q:hover {
    color: #2467A5;
  }
  .faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2F80C9;
    background: #EAF3F9;
    border-radius: 8px;
    font-size: 18px;
    flex-shrink: 0;
    transition: transform 0.3s ease, background 0.3s ease;
  }
  .faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: #2F80C9;
    color: #fff;
  }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .faq-a-inner {
    padding: 0 18px 16px;
    color: #5B7286;
    font-size: 14px;
    line-height: 1.8;
  }

  .cta-panel {
    margin: 60px 0 52px;
    background: #13324F;
    border-radius: 24px;
    padding: 36px 38px;
    position: relative;
    overflow: hidden;
    color: #fff;
  }
  .cta-panel::after {
    content: "";
    position: absolute;
    right: -50px;
    top: -80px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 22px 22px;
    pointer-events: none;
  }
  .cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 26px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
  }
  .cta-title {
    font-size: 21px;
    font-weight: 700;
    margin: 0 0 8px;
    color: #fff;
  }
  .cta-text {
    color: #BFD4E4;
    font-size: 14px;
    margin: 0;
  }
  .cta-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
  }
  .btn-white {
    background: #fff;
    color: #13324F;
  }
  .btn-white:hover {
    background: #EAF3F9;
  }
  .btn-ghost-link {
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    background: transparent;
  }
  .btn-ghost-link:hover {
    background: rgba(255, 255, 255, 0.12);
  }

  .site-footer {
    background: #13324F;
    color: #B6CBDD;
    padding: 60px 0 0;
    margin-top: 30px;
  }
  .footer-main {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) 1fr 1fr 1fr;
    gap: 38px;
    padding-bottom: 44px;
  }
  .footer-brand h3 {
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .footer-brand-name {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .footer-logo {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(47, 128, 201, 0.16);
    border-radius: 14px;
    color: #79B4E3;
  }
  .footer-desc {
    color: #B6CBDD;
    font-size: 14px;
    line-height: 1.9;
    margin: 0;
    max-width: 330px;
  }
  .footer-h3 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: 0.02em;
  }
  .footer-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #B6CBDD;
    font-size: 14px;
    padding: 5px 0;
    transition: all 0.2s ease;
  }
  .footer-link svg {
    width: 13px;
    height: 13px;
    color: #2F80C9;
  }
  .footer-link:hover {
    color: #fff;
    padding-left: 3px;
  }
  .footer-info-item {
    display: flex;
    gap: 8px;
    color: #B6CBDD;
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 10px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: #8CA2B5;
  }

  @media (max-width: 1024px) {
    .article-wrap {
      grid-template-columns: 1fr;
    }
    .article-side {
      position: static;
      display: grid;
      grid-template-columns: 1fr 1fr;
    }
    .rel-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .footer-main {
      grid-template-columns: 1fr 1fr;
    }
    .faq-grid {
      grid-template-columns: 1fr;
    }
  }
  @media (max-width: 768px) {
    .header-inner {
      flex-wrap: wrap;
      gap: 8px;
    }
    .site-nav {
      display: none;
      width: 100%;
      order: 4;
      flex-direction: column;
      align-items: stretch;
      gap: 8px;
      margin: 4px 0 0;
    }
    .site-nav.open {
      display: flex;
    }
    .nav-item {
      justify-content: flex-start;
    }
    .nav-burger {
      display: flex;
    }
    .nav-actions {
      margin-left: auto;
    }
    .nav-action-btns {
      display: none;
    }
    .article-card {
      padding: 24px 18px;
    }
    .article-title {
      font-size: 27px;
    }
    .rel-grid {
      grid-template-columns: 1fr;
    }
    .pn-grid {
      grid-template-columns: 1fr;
    }
    .footer-main {
      grid-template-columns: 1fr;
      gap: 28px;
    }
  }
  @media (max-width: 560px) {
    .article-side {
      display: block;
    }
    .side-box + .side-box {
      margin-top: 16px;
    }
    .brand-name {
      font-size: 15px;
    }
    .brand-extra {
      font-size: 11px;
    }
    .btn {
      width: 100%;
      justify-content: center;
    }
    .btn-primary,
    .btn-secondary,
    .btn-white,
    .btn-ghost-link {
      width: 100%;
    }
    .header-inner {
      padding: 8px 10px 8px 14px;
    }
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }
    .footer-bottom {
      justify-content: center;
      text-align: center;
    }
  }

/* roulang page: category2 */
:root{
  --primary:#2F80C9;
  --primary-h:#2467A5;
  --primary-deep:#1D5F9E;
  --accent:#E3A62F;
  --sky:#EAF3F9;
  --page:#F5F8FB;
  --card:#fff;
  --ink:#1F3447;
  --muted:#5B7286;
  --faint:#8CA2B5;
  --line:#DDE9F2;
  --deep:#13324F;
  --danger:#D9534F;
  --success:#2A9D6E;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(19,50,79,.04),0 12px 32px rgba(19,50,79,.07);
  --shadow-hover:0 2px 4px rgba(19,50,79,.05),0 18px 44px rgba(19,50,79,.11);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  background:var(--page);
  color:var(--ink);
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){
  .container{padding:0 32px}
}
.section{padding:56px 0 16px}
@media(min-width:768px){
  .section{padding:72px 0 24px}
}
.section-head{
  max-width:780px;
  margin:0 auto 32px;
  text-align:center;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--sky);
  color:var(--primary-deep);
  font-size:13px;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
  margin-bottom:12px;
}
.section-head h2{
  font-size:26px;
  line-height:1.4;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.2px;
}
@media(min-width:768px){
  .section-head h2{font-size:28px}
}
.section-head p{
  margin-top:10px;
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--sky);
  color:var(--primary-deep);
  font-size:13px;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
}
.eyebrow svg{width:15px;height:15px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  padding:12px 22px;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,border-color .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn svg{width:17px;height:17px}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 8px 16px rgba(47,128,201,.18);
}
.btn-primary:hover{
  background:var(--primary-h);
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(47,128,201,.24);
}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:#fff;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-outline:hover{
  background:rgba(47,128,201,.06);
  border-color:var(--primary-h);
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.58);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.8);
  transform:translateY(-1px);
}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn:focus-visible,
.nav-item:focus-visible,
.brand:focus-visible,
.icon-btn:focus-visible,
.faq-q:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(47,128,201,.45);
}

/* header */
.site-header{
  max-width:1200px;
  margin:0 auto;
  padding:20px 20px 0;
}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  background:#fff;
  border:1px solid rgba(221,233,242,.7);
  border-radius:20px;
  padding:12px 14px;
  box-shadow:var(--shadow-card);
  min-height:70px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  border-radius:14px;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--sky);
  color:var(--primary);
  flex:0 0 auto;
}
.brand-text{
  display:flex;
  flex-direction:column;
  gap:1px;
  line-height:1.05;
}
.brand-name{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.2px;
}
.brand-extra{
  font-size:12px;
  color:var(--primary);
  font-weight:600;
  letter-spacing:.5px;
}
.site-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-left:auto;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:var(--sky);
  border:1px solid transparent;
  color:var(--ink);
  border-radius:12px;
  padding:9px 13px;
  font-size:14px;
  font-weight:600;
  transition:all .18s ease;
  white-space:nowrap;
}
.nav-item svg{
  width:17px;
  height:17px;
  color:var(--primary);
  flex:0 0 auto;
}
.nav-item:hover{
  background:#f0f6fb;
  color:var(--primary);
  border-color:rgba(47,128,201,.16);
  transform:translateY(-1px);
}
.nav-item.active{
  background:var(--sky);
  color:var(--primary);
  border-color:rgba(47,128,201,.34);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
}
.nav-burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--sky);
  color:var(--primary);
  border:0;
  cursor:pointer;
}
.nav-burger:hover{
  background:#e1eef7;
}
@media(max-width:1023.98px){
  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:calc(100% + 12px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    background:#fff;
    border:1px solid rgba(221,233,242,.9);
    border-radius:18px;
    padding:12px;
    box-shadow:var(--shadow-hover);
    z-index:60;
    margin-left:0;
  }
  .site-nav.mobile-open{
    display:flex;
  }
  .nav-item{
    justify-content:center;
    padding:12px 14px;
    background:#F5F8FB;
    white-space:normal;
  }
  .nav-burger{
    display:inline-flex;
  }
}
@media(max-width:639.98px){
  .site-header{padding-top:14px}
  .header-inner{
    padding:10px 12px;
    gap:6px;
  }
  .brand-name{font-size:16px}
  .brand-extra{font-size:11px}
  .brand-mark{
    width:38px;
    height:38px;
  }
  .nav-actions .btn-primary{
    display:none!important;
  }
}
@media(min-width:1024px){
  .nav-actions .btn-primary{display:inline-flex}
}

/* footer */
.site-footer{
  background:var(--deep);
  color:rgba(221,233,242,.9);
  margin-top:96px;
  padding:56px 0 30px;
  border-radius:28px 28px 0 0;
}
.footer-main{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  padding:0 0 40px;
}
@media(min-width:768px){
  .footer-main{
    grid-template-columns:repeat(4,1fr);
    gap:28px;
  }
}
.footer-brand{
  max-width:330px;
}
.footer-brand-name{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  background:rgba(255,255,255,.12);
  color:#fff;
  flex:0 0 auto;
}
.footer-brand-name h3{
  font-size:18px;
  font-weight:700;
  color:#fff;
  line-height:1.3;
}
.footer-brand-name h3 span{
  color:#B8D4EA;
  font-weight:500;
}
.footer-desc{
  color:rgba(221,233,242,.72);
  font-size:13px;
  line-height:1.8;
  margin:0;
}
.footer-h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-link{
  display:flex;
  align-items:center;
  gap:9px;
  color:rgba(221,233,242,.72);
  font-size:13px;
  margin-bottom:10px;
  transition:color .2s ease,transform .2s ease;
}
.footer-link svg{
  width:15px;
  height:15px;
  color:#5FA7D9;
  flex:0 0 auto;
}
.footer-link:hover{
  color:#fff;
  transform:translateX(3px);
}
.footer-info-item{
  display:flex;
  gap:9px;
  align-items:flex-start;
  color:rgba(221,233,242,.72);
  font-size:13px;
  margin-bottom:12px;
}
.footer-info-item svg{
  width:16px;
  height:16px;
  color:#5FA7D9;
  flex:0 0 auto;
  margin-top:3px;
}
.footer-bottom{
  border-top:1px solid rgba(221,233,242,.14);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  align-items:center;
  justify-content:space-between;
  color:rgba(221,233,242,.5);
  font-size:13px;
}
.footer-bottom .footer-copy{
  margin:0;
}

/* hero */
.page-hero{
  margin-top:28px;
  border-radius:24px;
  border:1px solid rgba(221,233,242,.9);
  overflow:hidden;
  background-color:#EEF5FA;
  background-image:linear-gradient(105deg,rgba(255,255,255,.96) 32%,rgba(234,243,249,.9) 66%,rgba(219,235,246,.82)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  position:relative;
  box-shadow:var(--shadow-card);
}
.hero-body{
  padding:48px 28px 42px;
}
@media(min-width:768px){
  .hero-body{
    padding:60px 40px 56px;
  }
}
.hero-crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--faint);
  margin-bottom:18px;
}
.hero-crumb a{
  color:var(--muted);
  transition:color .2s ease;
}
.hero-crumb a:hover{
  color:var(--primary);
}
.hero-crumb svg{
  width:14px;
  height:14px;
  color:var(--faint);
}
.hero-crumb .current{
  color:var(--primary-deep);
  font-weight:600;
}
.page-hero h1{
  font-size:clamp(28px,5vw,44px);
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--ink);
  max-width:700px;
  margin:8px 0 16px;
}
.hero-lead{
  max-width:620px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
  margin-bottom:6px;
}
.hero-lead strong{
  color:var(--primary-deep);
  font-weight:600;
}
.hero-btns{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hero-check{
  background:rgba(255,255,255,.92);
  border:1px solid rgba(221,233,242,.9);
  border-radius:18px;
  padding:20px;
  box-shadow:var(--shadow-card);
}
.hero-check .check-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:14px;
}
.hero-check .check-title svg{
  width:19px;
  height:19px;
  color:var(--primary);
}
.check-item{
  display:flex;
  align-items:flex-start;
  gap:9px;
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
  margin-bottom:10px;
}
.check-item svg{
  width:16px;
  height:16px;
  color:var(--success);
  flex:0 0 auto;
  margin-top:2px;
}
.hero-check .check-note{
  margin-top:14px;
  padding-top:12px;
  border-top:1px dashed var(--line);
  color:var(--faint);
  font-size:12px;
  line-height:1.6;
}

/* platform card */
.platform-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media(min-width:640px){
  .platform-grid{
    grid-template-columns:repeat(2,1fr);
  }
}
.p-card{
  background:#fff;
  border:1px solid rgba(221,233,242,.88);
  border-radius:18px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;
  flex-direction:column;
}
.p-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(47,128,201,.25);
}
.p-card .media{
  background:var(--sky);
  aspect-ratio:16/9;
  overflow:hidden;
}
.p-card .media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.p-card .p-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.p-card .p-title{
  font-size:17px;
  line-height:1.45;
  font-weight:700;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.p-card .p-text{
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.p-tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:var(--sky);
  color:var(--primary-deep);
  font-size:12px;
  font-weight:600;
  padding:4px 10px;
  border-radius:999px;
}
.p-meta{
  display:flex;
  flex-wrap:wrap;
  gap:6px 14px;
  color:var(--faint);
  font-size:12px;
  border-top:1px dashed var(--line);
  padding-top:12px;
  margin-top:auto;
}
.p-meta svg{
  width:14px;
  height:14px;
  color:var(--primary);
}
.p-card.featured .media{
  aspect-ratio:16/9;
  min-height:220px;
}
@media(min-width:768px){
  .p-card.featured .media{
    width:44%;
    aspect-ratio:auto;
    min-height:100%;
  }
  .p-card.featured{
    flex-direction:row;
  }
  .p-card.featured .p-body{
    width:56%;
    padding:32px 30px;
  }
}
.p-card .link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  margin-top:4px;
  transition:gap .2s ease;
}
.p-card .link-more:hover{
  gap:9px;
}
.p-card .link-more svg{
  width:15px;
  height:15px;
}

/* process */
.process-section{
  background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(234,243,249,.65));
  border-radius:24px;
  border:1px solid rgba(221,233,242,.85);
  padding:30px 22px;
  margin-top:12px;
}
@media(min-width:768px){
  .process-section{
    padding:44px 40px;
  }
}
.step-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
  margin-top:22px;
}
@media(min-width:640px){
  .step-grid{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(min-width:1024px){
  .step-grid{
    grid-template-columns:repeat(4,1fr);
  }
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid rgba(221,233,242,.9);
  border-radius:16px;
  padding:22px 18px;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.step-num{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--sky);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
}
.step-card h3{
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:7px;
}
.step-card p{
  font-size:13px;
  line-height:1.7;
  color:var(--muted);
}
.step-card .step-arrow{
  position:absolute;
  top:26px;
  right:14px;
  color:var(--faint);
}

/* requirements */
.require-card{
  height:100%;
  background:#fff;
  border:1px solid rgba(221,233,242,.9);
  border-radius:20px;
  padding:28px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease;
}
.require-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
}
.require-card .req-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.req-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:var(--sky);
  color:var(--primary);
  flex:0 0 auto;
}
.req-icon svg{
  width:20px;
  height:20px;
}
.require-card h3{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
}
.req-list{
  list-style:none;
  margin:0;
  padding:0;
}
.req-list li{
  position:relative;
  padding-left:24px;
  padding-bottom:9px;
  color:var(--muted);
  font-size:13px;
  line-height:1.7;
}
.req-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:8px;
  width:8px;
  height:8px;
  border-radius:4px;
  background:var(--primary);
  opacity:.65;
}
.req-list li strong{
  color:var(--ink);
  font-weight:600;
}
.req-note{
  margin-top:12px;
  padding:12px 14px;
  background:#F6FAFD;
  border:1px dashed rgba(47,128,201,.24);
  border-radius:12px;
  color:var(--faint);
  font-size:12px;
  line-height:1.7;
}

/* faq */
.faq-wrap{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media(min-width:1024px){
  .faq-wrap{
    grid-template-columns:0.9fr 1.5fr;
    align-items:start;
    gap:50px;
  }
}
.faq-left{
  position:sticky;
  top:28px;
  background:linear-gradient(180deg,rgba(234,243,249,.95),rgba(245,248,251,.95));
  border:1px solid rgba(221,233,242,.9);
  border-radius:20px;
  padding:28px 24px;
}
.faq-left .eyebrow{
  margin-bottom:10px;
}
.faq-left h2{
  font-size:26px;
  line-height:1.4;
  font-weight:700;
  margin-bottom:12px;
}
.faq-left p{
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
  margin-bottom:20px;
}
.faq-item{
  background:#fff;
  border:1px solid rgba(221,233,242,.9);
  border-radius:16px;
  box-shadow:var(--shadow-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item.open{
  border-color:rgba(47,128,201,.4);
  box-shadow:var(--shadow-hover);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  text-align:left;
  gap:14px;
  padding:16px 18px;
  background:#fff;
  border:0;
  cursor:pointer;
  color:var(--ink);
  font-size:15px;
  font-weight:600;
  line-height:1.5;
}
.faq-q-icon{
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--sky);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.faq-q-icon svg{
  width:15px;
  height:15px;
}
.faq-item.open .faq-q-icon{
  background:var(--primary);
  color:#fff;
  transform:rotate(135deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
}
.faq-a p{
  padding:0 18px 18px 58px;
  margin:0;
}
@media(max-width:1023.98px){
  .faq-a p{
    padding:0 18px 18px;
  }
}

/* cta */
.cta-card{
  position:relative;
  background:var(--deep);
  border-radius:24px;
  padding:44px 30px;
  overflow:hidden;
  box-shadow:0 20px 45px rgba(19,50,79,.2);
}
@media(min-width:768px){
  .cta-card{
    padding:56px 48px;
  }
}
.cta-card::before,
.cta-card::after{
  content:"";
  position:absolute;
  border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-card::before{
  width:160px;
  height:160px;
  right:-40px;
  top:-55px;
}
.cta-card::after{
  width:90px;
  height:90px;
  left:-25px;
  bottom:-35px;
  background:rgba(47,128,201,.5);
}
.cta-inner{
  position:relative;
  z-index:1;
  max-width:820px;
}
.cta-card h2{
  color:#fff;
  font-size:clamp(22px,3vw,30px);
  line-height:1.4;
  font-weight:700;
  margin-bottom:12px;
}
.cta-card p{
  color:rgba(221,233,242,.8);
  font-size:14px;
  line-height:1.85;
  margin-bottom:26px;
}
.cta-btns{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* misc */
.badge{
  background:var(--sky);
  color:var(--primary-deep);
  font-size:12px;
  font-weight:600;
  padding:4px 11px;
  border-radius:999px;
}
.divider-dash{
  border:none;
  border-top:1px dashed var(--line);
}
.empty-panel{
  border:1px dashed rgba(47,128,201,.35);
  background:#f7fbfd;
  border-radius:16px;
  padding:40px 20px;
  text-align:center;
  color:var(--faint);
  font-size:13px;
}