/* roulang page: index */
:root{
    --bg-base:#070d17;
    --bg-elevated:#0c1422;
    --bg-glass:rgba(255,255,255,.045);
    --bg-glass-strong:rgba(255,255,255,.085);
    --border-line:rgba(255,255,255,.10);
    --border-line-strong:rgba(255,255,255,.18);
    --text-high:#edf4ff;
    --text-body:#b7c3d4;
    --text-muted:#77869b;
    --brand-main:#2ee6c2;
    --brand-blue:#4f8cff;
    --brand-gold:#f5b955;
    --danger:#f0616d;
    --radius-card:18px;
    --radius-hero:24px;
    --radius-btn:10px;
    --shadow-card:0 20px 50px rgba(0,0,0,.25);
    --shadow-glow:0 0 0 1px rgba(46,230,194,.2),0 8px 30px rgba(46,230,194,.25);
    --font-cn:PingFang SC,Microsoft YaHei,Noto Sans SC,Alibaba PuHuiTi,sans-serif;
    --space-section:100px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    background:var(--bg-base);
    color:var(--text-body);
    font-family:var(--font-cn);
    font-size:17px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
body::before{
    content:"";
    position:fixed;
    inset:0;
    z-index:-2;
    background-image:
        radial-gradient(circle at 18% 8%,rgba(79,140,255,.12),transparent 26rem),
        radial-gradient(circle at 82% 14%,rgba(46,230,194,.06),transparent 22rem);
}
body::after{
    content:"";
    position:fixed;
    inset:0;
    z-index:-1;
    pointer-events:none;
    opacity:.25;
    background-image:
        linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
    background-size:56px 56px;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit;color:inherit}
.container{
    max-width:1240px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
}
.section-pad{padding:var(--space-section) 0}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:0 22px;
    border-radius:var(--radius-btn);
    font-weight:600;
    font-size:15px;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
    outline:none;
}
.btn:focus-visible{outline:2px solid var(--brand-main);outline-offset:3px}
.btn-primary{
    background:linear-gradient(135deg,rgba(46,230,194,.9),rgba(79,140,255,.8));
    color:#04120f;
    border-color:rgba(46,230,194,.45);
    box-shadow:var(--shadow-glow);
}
.btn-primary:hover{
    transform:translateY(-2px);
    background:linear-gradient(135deg,rgba(46,230,194,1),rgba(79,140,255,.9));
    box-shadow:0 0 0 1px rgba(46,230,194,.35),0 12px 38px rgba(46,230,194,.32);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
    background:var(--bg-glass);
    border:1px solid var(--border-line-strong);
    color:var(--text-high);
    backdrop-filter:blur(14px);
}
.btn-ghost:hover{
    background:var(--bg-glass-strong);
    border-color:rgba(46,230,194,.45);
    color:var(--brand-main);
    transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0)}

.site-title,
.section-title{
    font-weight:700;
    line-height:1.2;
    color:var(--text-high);
    letter-spacing:-.01em;
}
.site-title{
    font-size:clamp(40px,5vw,64px);
    margin-bottom:22px;
}
.section-title{
    font-size:clamp(28px,3vw,36px);
    margin-bottom:16px;
}
.display-sub{
    font-size:17px;
    color:var(--text-body);
    max-width:680px;
    margin-bottom:28px;
}
.eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:600;
    color:var(--brand-main);
    letter-spacing:.08em;
    margin-bottom:16px;
}
.eyebrow::before{
    content:"";
    width:24px;
    height:1px;
    background:var(--brand-main);
}
.grid-x{width:100%}
.box-card{
    background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
    border:1px solid var(--border-line);
    border-radius:var(--radius-card);
    backdrop-filter:blur(14px);
    padding:28px 30px;
    transition:transform .2s ease,border-color .2s ease;
}
.box-card:hover{
    transform:translateY(-3px);
    border-color:var(--border-line-strong);
}
.tag{
    display:inline-flex;
    align-items:center;
    gap:6px;
    min-height:24px;
    padding:0 10px;
    font-size:12px;
    font-weight:600;
    border-radius:999px;
    background:rgba(46,230,194,.08);
    color:var(--brand-main);
    border:1px solid rgba(46,230,194,.2);
}
.tag-blue{background:rgba(79,140,255,.1);color:#a9c6ff;border-color:rgba(79,140,255,.2)}
.tag-gold{background:rgba(245,185,85,.1);color:var(--brand-gold);border-color:rgba(245,185,85,.3)}
.text-high{color:var(--text-high)}
.text-muted{color:var(--text-muted)}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}

/* header */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    height:68px;
    background:rgba(7,13,23,.88);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border-line);
    transition:height .2s ease,box-shadow .2s ease;
}
.site-header:hover,.site-header.is-scrolled{
    box-shadow:0 10px 30px rgba(0,0,0,.12);
}
.topbar{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:68px;
    gap:20px;
}
.brand{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
}
.brand-dot{
    display:flex;
    width:34px;
    height:34px;
    align-items:center;
    justify-content:center;
    border-radius:10px;
    background:linear-gradient(135deg,rgba(46,230,194,.95),rgba(79,140,255,.9));
    color:#051016;
    font-weight:800;
    font-size:17px;
}
.brand-text{
    font-size:20px;
    font-weight:700;
    color:var(--text-high);
    letter-spacing:-.01em;
    white-space:nowrap;
}
.brand-badge{
    font-size:10px;
    font-weight:600;
    color:var(--brand-gold);
    border:1px solid rgba(245,185,85,.35);
    padding:2px 7px;
    border-radius:999px;
    background:rgba(245,185,85,.06);
    letter-spacing:.12em;
}
.site-nav{
    display:flex;
    align-items:center;
    gap:6px;
}
.nav-link{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:var(--text-body);
    padding:8px 12px;
    border-radius:8px;
    transition:color .2s ease,background .2s ease;
}
.nav-link:hover{
    color:var(--text-high);
    background:rgba(255,255,255,.04);
}
.nav-link.active{
    color:var(--brand-main);
}
.nav-link.active::after{
    content:"";
    position:absolute;
    left:12px;
    right:12px;
    bottom:-3px;
    height:2px;
    border-radius:2px;
    background:var(--brand-main);
}
.nav-cta{
    margin-left:10px;
    min-height:40px;
    padding:0 16px;
}
.nav-toggle{
    display:none;
    width:44px;
    height:44px;
    align-items:center;
    justify-content:center;
    border:1px solid var(--border-line);
    background:var(--bg-glass);
    border-radius:10px;
    color:var(--text-body);
    cursor:pointer;
}
.nav-toggle:focus-visible{outline:2px solid var(--brand-main);outline-offset:2px}

/* hero */
.hero{
    position:relative;
    padding:110px 0 100px;
    overflow:hidden;
    border-radius:0 0 34px 34px;
}
.hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(90deg,rgba(7,13,23,.94),rgba(7,13,23,.78) 54%,rgba(7,13,23,.42)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    z-index:-2;
}
.hero::after{
    content:"";
    position:absolute;
    right:-140px;
    bottom:-140px;
    width:440px;
    height:440px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(46,230,194,.15),transparent 70%);
    z-index:-1;
    pointer-events:none;
}
.hero-grid{
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);
    gap:40px;
    align-items:center;
}
.hero-copy{max-width:680px}
.hero-status{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    font-weight:500;
    background:rgba(245,185,85,.08);
    border:1px solid rgba(245,185,85,.26);
    color:var(--brand-gold);
    margin-bottom:26px;
}
.hero-status .status-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-gold);vertical-align:middle}
.hero-bottom{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{
    display:flex;gap:20px;flex-wrap:wrap;
    margin-top:40px;
    padding-top:22px;
    border-top:1px solid var(--border-line);
}
.hero-note-item{
    font-size:13px;
    color:var(--text-muted);
    display:inline-flex;
    align-items:center;
    gap:8px;
}
.hero-note-item i{color:var(--brand-main)}
.hero-visual{
    position:relative;
    border-radius:var(--radius-hero);
    overflow:hidden;
    border:1px solid var(--border-line-strong);
    box-shadow:0 30px 60px rgba(0,0,0,.35);
    background:rgba(255,255,255,.05);
    min-height:220px;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;min-height:240px}
.visual-overlay{
    position:absolute;
    left:16px;
    right:16px;
    bottom:16px;
    background:rgba(7,13,23,.62);
    backdrop-filter:blur(18px);
    border:1px solid rgba(255,255,255,.14);
    border-radius:16px;
    padding:14px 16px;
}
.visual-overlay .vlabel{font-size:13px;font-weight:600;color:var(--text-high)}
.visual-overlay p{font-size:12px;color:var(--text-muted);line-height:1.6;margin-top:2px}
.scroll-hint{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--text-muted);
    font-size:13px;
    margin-top:30px;
    animation:softFloat 2.4s ease-in-out infinite;
}
@keyframes softFloat{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(6px)}
}

/* security strip */
.strip{
    padding:30px 0;
    border-bottom:1px solid var(--border-line);
    background:rgba(12,20,34,.6);
}
.strip-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:16px;
}
.strip-cell{
    display:grid;
    grid-template-columns:34px 1fr;
    gap:12px;
    align-items:start;
    padding:8px 2px;
}
.strip-icon{
    display:flex;
    width:34px;height:34px;
    align-items:center;justify-content:center;
    border-radius:10px;
    background:rgba(79,140,255,.1);
    border:1px solid rgba(79,140,255,.22);
    font-size:15px;
    font-weight:600;
    color:var(--brand-blue);
}
.strip-cell strong{color:var(--text-high);font-size:15px;display:block}
.strip-cell span{font-size:13px;color:var(--text-muted)}

/* steps */
.steps-component{
    background:rgba(255,255,255,.04);
    border:1px solid var(--border-line);
    border-radius:var(--radius-hero);
    backdrop-filter:blur(14px);
    padding:38px;
    position:relative;
}
.steps-inner{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:28px;
}
.step-item{
    position:relative;
    padding:8px 4px 4px;
}
.step-item:not(:last-child)::after{
    content:"";
    position:absolute;
    top:26px;
    right:-18px;
    width:36px;
    height:1px;
    background:linear-gradient(90deg,var(--border-line-strong),transparent);
}
.step-num{
    font-size:50px;
    line-height:1;
    font-weight:200;
    color:rgba(46,230,194,.3);
    letter-spacing:-.04em;
    margin-bottom:14px;
}
.step-item h3{font-size:20px;font-weight:700;color:var(--text-high)}
.step-item p{font-size:15px;color:var(--text-muted);margin-top:8px}
.step-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-main);margin-top:14px}
.step-link:hover{color:var(--brand-blue)}

/* channel guide */
.guide-layout{
    display:grid;
    grid-template-columns:220px 1fr;
    gap:34px;
    align-items:start;
}
.guide-aside{
    position:sticky;
    top:92px;
    display:grid;
    gap:12px;
}
.guide-aside a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    padding:14px 16px;
    border:1px solid var(--border-line);
    border-radius:14px;
    background:var(--bg-glass);
    font-size:15px;
    color:var(--text-body);
    transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.guide-aside a:hover{
    color:var(--brand-main);
    border-color:rgba(46,230,194,.4);
    transform:translateY(-2px);
}
.guide-aside a i{color:var(--text-muted);font-size:13px}
.guide-content-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:20px;
}
.guide-card{
    position:relative;
    min-height:180px;
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    border-radius:var(--radius-card);
    overflow:hidden;
    border:1px solid var(--border-line);
}
.guide-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.guide-card::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(7,13,23,.2),rgba(7,13,23,.9));
    z-index:-1;
}
.guide-card-content{
    padding:22px;
}
.guide-card:nth-child(1){grid-column:1 / -1}
.guide-card:nth-child(3){grid-column:1 / -1}
.guide-card h3{font-size:20px;font-weight:700;color:#fff}
.guide-card p{font-size:14px;color:rgba(237,244,255,.76);margin-top:8px;max-width:560px}
.guide-link{margin-top:12px;color:var(--brand-main);font-weight:600;font-size:14px;display:inline-flex;gap:6px}

/* magazine case */
.feature-panel{
    display:grid;
    grid-template-columns:minmax(0,1.08fr) .92fr;
    gap:28px;
    align-items:stretch;
}
.feature-main{
    border-radius:var(--radius-hero);
    overflow:hidden;
    border:1px solid var(--border-line);
    position:relative;
    min-height:340px;
    display:flex;
    align-items:flex-end;
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-main::after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(7,13,23,.08) 25%,rgba(7,13,23,.88) 100%);
}
.feature-info{
    position:relative;
    z-index:2;
    padding:28px;
}
.feature-info .f-desc{color:rgba(237,244,255,.82);font-size:15px;margin-top:12px;max-width:520px}
.feature-aside{
    display:flex;
    flex-direction:column;
    gap:16px;
}
.side-article{
    flex:1;
    display:grid;
    grid-template-columns:110px 1fr;
    gap:14px;
    background:var(--bg-glass);
    border:1px solid var(--border-line);
    border-radius:var(--radius-card);
    padding:12px;
    transition:border-color .2s ease,transform .2s ease;
}
.side-article:hover{border-color:var(--border-line-strong);transform:translateY(-2px)}
.side-article img{border-radius:12px;object-fit:cover;width:110px;height:88px}
.side-article h3{font-size:15px;line-height:1.5;font-weight:600;color:var(--text-high)}
.side-article p{font-size:13px;color:var(--text-muted);margin-top:6px;line-height:1.6}

/* cta */
.cta-cross{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-hero);
    padding:58px 52px;
    background:
        linear-gradient(180deg,rgba(12,20,34,.3),rgba(7,13,23,.7)),
        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    border:1px solid var(--border-line);
}
.cta-cross::before{
    content:"";
    position:absolute;
    top:0;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,var(--brand-main),transparent);
}
.cta-cross h2{color:#fff;font-size:clamp(28px,3vw,36px);line-height:1.25}
.cta-flex{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:30px;
    align-items:center;
}
.cta-form{
    display:flex;
    gap:10px;
    margin-top:26px;
    flex-wrap:wrap;
}
.cta-form input{
    min-width:220px;
    height:44px;
    border-radius:10px;
    background:rgba(7,13,23,.55);
    border:1px solid var(--border-line-strong);
    padding:0 14px;
    color:var(--text-high);
    flex:1;
    outline:none;
    transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input:focus{border-color:var(--brand-main);box-shadow:0 0 0 3px rgba(46,230,194,.12)}
.cta-form input::placeholder{color:var(--text-muted)}
.cta-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.cta-cross p.lead{color:rgba(237,244,255,.82);margin-top:14px;font-size:15px;max-width:600px}
.cta-cross .btn{min-height:44px}
.cta-note{ font-size:13px; color:rgba(119,134,155,.9); margin-top:14px }

/* news */
.info-list{
    display:grid;
    gap:12px;
    margin-top:32px;
}
.news-item{
    list-style:none;
}
.news-link{
    display:grid;
    grid-template-columns:1fr;
    gap:8px;
    padding:18px 20px;
    background:rgba(255,255,255,.03);
    border:1px solid var(--border-line);
    border-radius:14px;
    transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.news-link:hover{
    border-color:rgba(46,230,194,.4);
    background:rgba(255,255,255,.06);
    transform:translateY(-2px);
}
.news-meta{
    display:flex;
    align-items:center;
    gap:10px;
}
.news-time{
    font-size:13px;
    color:var(--text-muted);
}
.news-title{
    font-size:17px;
    font-weight:700;
    color:var(--text-high);
    line-height:1.4;
}
.news-summary{
    font-size:14px;
    color:var(--text-muted);
    line-height:1.7;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.empty-state{
    margin-top:30px;
    text-align:center;
    padding:48px 20px;
    border:1px dashed var(--border-line-strong);
    border-radius:var(--radius-card);
    background:rgba(255,255,255,.02);
}
.empty-icon{
    width:52px;height:52px;
    display:flex;
    margin:0 auto 14px;
    border-radius:50%;
    background:rgba(255,255,255,.04);
    border:1px solid var(--border-line-strong);
    align-items:center;
    justify-content:center;
    color:var(--text-muted);
    font-size:20px;
}
.empty-title{font-size:16px;color:var(--text-body)}
.empty-desc{font-size:14px;color:var(--text-muted);margin-top:4px}

/* faq */
.faq-area{
    background:rgba(12,20,34,.4);
    border:1px solid var(--border-line);
    border-radius:var(--radius-hero);
    padding:34px 36px;
}
.faq-item{
    border-bottom:1px solid var(--border-line);
}
.faq-item:last-child{border-bottom:none}
.faq-q{
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:20px;
    cursor:pointer;
    padding:18px 2px;
    min-height:56px;
    background:transparent;
    border:none;
    color:var(--text-high);
    font-size:16px;
    font-weight:600;
    font-family:var(--font-cn);
    width:100%;
    text-align:left;
}
.faq-q:focus-visible{outline:2px solid var(--brand-main);outline-offset:2px;border-radius:8px}
.faq-q .faq-icon{
    flex-shrink:0;
    width:26px;height:26px;
    border:1px solid var(--border-line-strong);
    border-radius:50%;
    color:var(--brtext);
    color:var(--text-body);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:13px;
    transition:transform .25s ease,border-color .2s ease,color .2s ease;
}
.faq-item.active .faq-icon{
    transform:rotate(45deg);
    border-color:var(--brand-main);
    color:var(--brand-main);
}
.faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height .3s ease;
}
.faq-a-inner{
    padding:0 40px 20px 2px;
    font-size:15px;
    color:var(--text-body);
    line-height:1.9;
}
.faq-item.active .faq-a{max-height:260px}

/* footer */
.site-footer{
    margin-top:70px;
    background:#050a11;
    border-top:1px solid var(--border-line);
    padding:54px 0 36px;
}
.footer-grid{
    display:grid;
    grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
    gap:36px;
    align-items:start;
}
.footer-brand{font-size:21px;font-weight:700;color:var(--text-high);display:flex;gap:8px;align-items:center}
.footer-notes{font-size:14px;color:var(--text-muted);margin-top:16px;line-height:1.9;max-width:480px}
.footer-col strong{display:block;font-size:14px;font-weight:600;color:var(--text-body);margin-bottom:12px}
.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.footer-links a{font-size:14px;color:var(--text-muted);padding:4px 0;display:inline-flex;align-items:center;gap:7px}
.footer-links a:hover{color:var(--brand-main)}
.footer-bottom{
    margin-top:40px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.06);
    display:flex;
    justify-content:space-between;
    gap:12px;
    flex-wrap:wrap;
    font-size:13px;
    color:var(--text-muted);
}

/* responsive */
@media (max-width:1024px){
    .hero{padding:80px 0 76px}
    .hero-grid{grid-template-columns:1fr}
    .hero-visual{min-height:220px}
    .guide-layout{grid-template-columns:1fr}
    .guide-aside{grid-template-columns:repeat(3,1fr);position:static}
    .feature-panel{grid-template-columns:1fr}
}
@media (max-width:768px){
    :root{--space-section:64px}
    body{font-size:16px}
    .strip-grid{grid-template-columns:1fr;gap:8px}
    .steps-inner{grid-template-columns:1fr}
    .step-item:not(:last-child)::after{display:none}
    .steps-component{padding:24px}
    .guide-content-grid{grid-template-columns:1fr}
    .guide-card:nth-child(1),.guide-card:nth-child(3),.guide-card{grid-column:auto}
    .cta-flex{grid-template-columns:1fr}
    .cta-cross{padding:38px 24px}
    .faq-area{padding:22px 18px}
    .brand-badge{display:none}
    .footer-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
    .site-header,.topbar{height:64px}
    .container{padding-left:14px;padding-right:14px}
    .brand-text{font-size:17px}
    .brand-dot{width:30px;height:30px;font-size:15px}
    .nav-toggle{display:inline-flex}
    .site-nav{
        position:fixed;
        top:64px;
        right:0;
        left:0;
        z-index:99;
        background:rgba(7,13,23,.96);
        backdrop-filter:blur(22px);
        border-bottom:1px solid var(--border-line);
        flex-direction:column;
        align-items:stretch;
        padding:12px 14px 16px;
        display:none;
        max-height:calc(100vh-64px);
        overflow-y:auto;
    }
    .site-nav.is-open{display:flex}
    .nav-link,.nav-link.active{padding:14px;justify-content:flex-start}
    .nav-link.active::after{display:none}
    .nav-link.active{background:rgba(46,230,194,.08)}
    .nav-cta{margin:10px 0 4px;justify-content:center}
    .hero{min-height:auto;padding:58px 0 48px}
    .site-title{font-size:clamp(30px,7vw,34px)}
    .hero-note{flex-direction:column;gap:10px;margin-top:24px}
    .cta-form input{flex-basis:100%}
    .cta-buttons{flex-direction:column;align-items:stretch}
    .cta-buttons .btn{justify-content:center}
    .feature-main{min-height:260px}
    .feature-main img{min-height:260px}
    .side-article{grid-template-columns:1fr}
    .side-article img{width:100%;height:auto;max-height:130px}
    .faq-a-inner{padding-right:0}
    .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
}
@media (min-width:1025px){
    .site-nav.has-cta .nav-cta{margin-left:12px}
}

/* roulang page: category1 */
:root{
  --bg-base:#070d17;
  --bg-elevated:#0c1422;
  --bg-panel:#0d1826;
  --bg-glass:rgba(255,255,255,.045);
  --bg-glass-strong:rgba(255,255,255,.085);
  --border-line:rgba(255,255,255,.10);
  --border-line-strong:rgba(255,255,255,.18);
  --text-high:#edf4ff;
  --text-body:#b7c3d4;
  --text-muted:#77869b;
  --brand-main:#2ee6c2;
  --brand-blue:#4f8cff;
  --brand-gold:#f5b955;
  --danger:#f0616d;
  --success:#34d399;
  --warning:#f7b955;
  --info:#4f8cff;
  --neutral:#77869b;
  --radius:18px;
  --radius-large:24px;
  --radius-btn:10px;
  --shadow-card:0 20px 50px rgba(0,0,0,.25);
  --shadow-brand:0 0 0 1px rgba(46,230,194,.2), 0 8px 30px rgba(46,230,194,.25);
  --font:'PingFang SC','Microsoft YaHei','Noto Sans SC','Alibaba PuHuiTi',sans-serif;
  --font-en:'Inter','Arial',sans-serif;
  --space-section:100px;
  --header-height:68px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-base);
  background-image:radial-gradient(rgba(46,230,194,.05) 1px, transparent 1.4px);
  background-size:32px 32px;
  color:var(--text-body);
  line-height:1.7;
  font-size:17px;
  letter-spacing:.01em;
}
body,html{overflow-x:hidden}
a{color:var(--brand-main);text-decoration:none}
a:hover{color:#8af6df}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{color:inherit}
h1,h2,h3,h4{font-weight:700;line-height:1.25;color:var(--text-high)}
h1{font-size:clamp(38px,5vw,60px)}
h2{font-size:clamp(28px,3vw,36px)}
h3{font-size:20px}
.container{width:min(1240px,100% - 40px);margin-inline:auto}
.section{padding:var(--space-section) 0}
.section-dark{
  background:linear-gradient(180deg, rgba(16,26,44,.42), rgba(7,13,23,.1));
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}
::selection{background:rgba(46,230,194,.22)}
:focus-visible, summary:focus-visible, button:focus-visible{
  outline:2px solid var(--brand-main);
  outline-offset:3px;
  border-radius:6px;
}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:auto;
  min-height:var(--header-height);
  background:rgba(7,13,23,.78);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:box-shadow .2s, background .2s;
}
.site-header.scrolled{
  background:rgba(7,13,23,.95);
  box-shadow:0 12px 30px rgba(0,0,0,.28);
  border-bottom-color:rgba(255,255,255,.1);
}
.topbar{
  min-height:var(--header-height);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  position:relative;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  color:var(--text-high);
}
.brand-dot{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:12px;
  font-weight:800;
  font-size:18px;
  color:#251a08;
  background:linear-gradient(135deg,var(--brand-gold),#eca94c);
  box-shadow:0 6px 22px rgba(245,185,85,.25);
}
.brand-text{
  font-weight:800;
  font-size:20px;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-badge{
  font-size:11px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-gold);
  border:1px solid rgba(245,185,85,.35);
  background:rgba(245,185,85,.08);
  padding:4px 9px;
  border-radius:999px;
  white-space:nowrap;
  margin-left:4px;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--border-line-strong);
  background:var(--bg-glass);
  color:var(--text-high);
  font-size:20px;
  cursor:pointer;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.site-nav .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border-radius:10px;
  color:var(--text-body);
  font-weight:500;
  font-size:15px;
  transition:color .2s, background .2s;
}
.site-nav .nav-link:hover{
  color:var(--text-high);
  background:var(--bg-glass);
}
.site-nav .nav-link.active{
  color:var(--brand-main);
  font-weight:700;
}
.site-nav .nav-link.active::after{
  content:"";
  position:absolute;
  right:14px;
  bottom:3px;
  left:14px;
  height:2px;
  border-radius:2px;
  background:var(--brand-main);
  box-shadow:0 0 14px rgba(46,230,194,.6);
}
.nav-cta{
  margin-left:10px;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:44px;
  padding:0 21px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s, box-shadow .18s, background .18s, border-color .18s, color .18s;
  text-decoration:none;
}
.btn-primary{
  color:#06231c;
  background:var(--brand-main);
  box-shadow:0 0 0 1px rgba(46,230,194,.16),0 8px 26px rgba(46,230,194,.18);
}
.btn-primary:hover{
  color:#041a15;
  background:#6cf5d8;
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(46,230,194,.28),0 12px 36px rgba(46,230,194,.26);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 6px 18px rgba(46,230,194,.16);
}
.btn-ghost{
  color:var(--text-high);
  background:rgba(255,255,255,.06);
  border-color:var(--border-line-strong);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.28);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost:active{
  transform:translateY(0);
}

/* eybrow / 标签 / 状态 */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brand-main);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--brand-main);
  box-shadow:0 0 12px rgba(46,230,194,.5);
  border-radius:2px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:999px;
  padding:5px 12px;
  font-size:12px;
  font-weight:700;
  white-space:nowrap;
}
.badge-gold{
  color:var(--brand-gold);
  border:1px solid rgba(245,185,85,.32);
  background:rgba(245,185,85,.09);
}
.badge-info{
  color:#a7cbff;
  border:1px solid rgba(79,140,255,.32);
  background:rgba(79,140,255,.1);
}
.badge-success{
  color:var(--success);
  border:1px solid rgba(52,211,153,.3);
  background:rgba(52,211,153,.08);
}
.badge-warning{
  color:var(--warning);
  border:1px solid rgba(245,185,85,.3);
  background:rgba(245,185,85,.08);
}
.badge-muted{
  color:var(--text-muted);
  border:1px solid var(--border-line);
  background:var(--bg-glass);
}
.dot{
  width:7px;
  height:7px;
  border-radius:50%;
  flex:0 0 7px;
  background:var(--text-muted);
}
.dot-success{background:var(--success);box-shadow:0 0 8px rgba(52,211,153,.7)}
.dot-warning{background:var(--warning);box-shadow:0 0 8px rgba(245,185,85,.7)}
.dot-danger{background:var(--danger);box-shadow:0 0 8px rgba(240,97,109,.7)}
.dot-brand{background:var(--brand-main);box-shadow:0 0 8px rgba(46,230,194,.7)}

/* Hero */
.page-hero{
  position:relative;
  padding:128px 0 78px;
  background:
    linear-gradient(180deg, rgba(7,13,23,.9), rgba(7,13,23,.82) 60%, rgba(7,13,23,.98)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-180px;
  right:-140px;
  width:520px;
  height:520px;
  background:radial-gradient(circle, rgba(46,230,194,.14), transparent 62%);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-210px;
  transform:translateX(-70%);
  width:780px;
  height:380px;
  background:radial-gradient(circle, rgba(79,140,255,.12), transparent 60%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width:970px;
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:26px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
  border-radius:999px;
  padding:9px 16px;
  width:max-content;
  max-width:100%;
}
.crumb i{color:var(--brand-main);font-size:11px}
.crumb a{color:var(--text-muted)}
.crumb a:hover{color:var(--brand-main)}
.crumb .current{color:var(--text-body);font-weight:600}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:24px;
}
.page-title{
  color:var(--text-high);
  margin-bottom:24px;
  max-width:14em;
}
.page-title .text-main{
  color:var(--brand-main);
}
.hero-lead{
  font-size:18px;
  line-height:1.9;
  color:var(--text-body);
  max-width:880px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:22px;
}
.hero-safe{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:8px;
}
.scroll-hint{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-muted);
  font-size:13px;
  margin-top:32px;
}
.scroll-hint i{color:var(--brand-main);animation:floatY 2s ease-in-out infinite}
@keyframes floatY{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(4px)}
}

/* 图文分栏 */
.media-frame{
  border-radius:var(--radius-large);
  overflow:hidden;
  background:rgba(12,20,34,.9);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow-card);
  position:relative;
}
.media-frame img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 70%, rgba(7,13,23,.55));
  pointer-events:none;
}
.text-heading{
  color:var(--text-high);
  margin-bottom:18px;
}
.text-block p{
  margin-bottom:20px;
  color:var(--text-body);
}
.text-block p:last-child{margin-bottom:0}
.content-note{
  background:rgba(79,140,255,.08);
  border-left:3px solid var(--brand-blue);
  border-radius:0 18px 18px 0;
  padding:20px 24px;
  color:var(--text-body);
  margin-top:26px;
  font-size:15px;
}
.feature-list{
  margin-top:18px;
}
.feature-list li{
  display:grid;
  grid-template-columns:36px 1fr;
  gap:14px;
  align-items:start;
  margin-top:16px;
}
.feature-icon{
  width:36px;
  height:36px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(79,140,255,.12);
  color:#a5c8ff;
  border:1px solid rgba(79,140,255,.16);
  font-size:15px;
}
.support-panel{
  background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border:1px solid var(--border-line);
  border-radius:var(--radius-large);
  padding:28px;
  box-shadow:var(--shadow-card);
}
.support-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:22px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.support-title i{
  color:var(--brand-gold);
}
.support-text{
  font-size:15px;
  color:var(--text-body);
  margin-top:14px;
}
.quote{
  border-left:4px solid var(--brand-blue);
  padding:18px 22px;
  background:rgba(255,255,255,.045);
  border-radius:0 16px 16px 0;
  margin-top:26px;
  color:var(--text-muted);
  font-size:15px;
  position:relative;
}

/* 频道路径模块 */
.channel-panel{
  background:linear-gradient(135deg, rgba(12,20,34,.9), rgba(13,29,43,.72));
  border:1px solid var(--border-line);
  border-radius:var(--radius-large);
  padding:clamp(16px,4vw,34px);
  box-shadow:var(--shadow-card);
}
.channel-list{
  display:grid;
  grid-template-columns:1fr;
}
.channel-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:18px;
  padding:28px 8px;
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s, padding-left .2s;
}
.channel-item:first-child{padding-top:10px}
.channel-item:last-child{border-bottom:0;padding-bottom:10px}
.channel-item:hover{
  background:rgba(255,255,255,.025);
  padding-left:14px;
}
.channel-num{
  font-family:Georgia,serif;
  font-size:30px;
  font-weight:700;
  color:rgba(46,230,194,.75);
  line-height:1.1;
  letter-spacing:-.02em;
}
.channel-item h3{
  font-size:20px;
  color:var(--text-high);
  margin-bottom:8px;
}
.channel-item p{
  color:var(--text-muted);
  font-size:15px;
  max-width:720px;
  margin-bottom:12px;
}
.channel-tool{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.channel-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  color:var(--brand-main);
  font-size:14px;
  font-weight:700;
  min-height:34px;
  padding:0 6px;
}
.channel-link i{
  font-size:12px;
  transition:transform .2s;
}
.channel-link:hover i{transform:translateX(4px)}

/* 步骤时间轴 */
.step-panel{
  position:relative;
  counter-reset:step;
  background:
    linear-gradient(rgba(255,255,255,.04), rgba(255,255,255,.01));
  border:1px solid var(--border-line);
  border-radius:var(--radius-large);
  padding:clamp(24px,4vw,44px);
}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  counter-reset:step;
  position:relative;
}
.step-item{
  position:relative;
  padding:0 clamp(10px,2vw,28px) 0 0;
  counter-increment:step;
}
.step-item:not(:last-child)::before{
  content:"";
  position:absolute;
  top:25px;
  left:70px;
  right:30px;
  height:1px;
  background:repeating-linear-gradient(90deg, rgba(255,255,255,.22) 0 5px, transparent 5px 10px);
  z-index:0;
}
.step-index{
  position:relative;
  z-index:1;
  display:grid;
  place-items:center;
  width:50px;
  height:50px;
  border-radius:50%;
  font-size:20px;
  font-weight:800;
  color:var(--brand-main);
  background:#0b1725;
  border:1px solid rgba(46,230,194,.5);
  box-shadow:0 0 0 6px rgba(46,230,194,.08), 0 0 24px rgba(46,230,194,.14);
  margin-bottom:20px;
}
.step-item h3{
  font-size:18px;
  color:var(--text-high);
  margin-bottom:10px;
  margin-top:16px;
}
.step-item p{
  font-size:14px;
  color:var(--text-muted);
  margin-top:4px;
}

/* 核对提示 */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.check-card{
  border-radius:var(--radius);
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-line);
  padding:30px;
  transition:border-color .2s, background .2s;
}
.check-card:hover{border-color:var(--border-line-strong)}
.check-card.success{border-top:3px solid var(--success)}
.check-card.pause{border-top:3px solid var(--danger)}
.check-card h3{
  display:flex;
  gap:10px;
  align-items:center;
  font-size:20px;
  margin-bottom:14px;
}
.check-card.success h3 i{color:var(--success)}
.check-card.pause h3 i{color:var(--danger)}
.check-card p{color:var(--text-muted);font-size:15px}
.check-list{
  margin-top:16px;
}
.check-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:12px;
  color:var(--text-body);
  font-size:14px;
  line-height:1.7;
}
.check-list li::before{
  content:"\f058";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:1px;
  color:var(--success);
  font-size:12px;
}
.check-card.pause .check-list li::before{
  content:"\f071";
  color:var(--danger);
}

/* FAQ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq-item{
  background:rgba(255,255,255,.03);
  border:1px solid var(--border-line);
  border-radius:16px;
  margin-bottom:14px;
  transition:border-color .2s, box-shadow .2s;
}
.faq-item[open]{
  border-color:rgba(46,230,194,.28);
  box-shadow:0 12px 34px rgba(0,0,0,.16);
  background:rgba(255,255,255,.045);
}
.faq-item summary{
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  padding:22px 24px;
  cursor:pointer;
  color:var(--text-high);
  font-weight:700;
  font-size:17px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  color:var(--brand-main);
  transition:transform .2s;
  flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-answer{
  padding:0 24px 24px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.95;
  border-top:1px solid rgba(255,255,255,.06);
  margin-top:2px;
  padding-top:16px;
}
.faq-answer p{margin-bottom:12px}
.faq-answer p:last-child{margin-bottom:0}

/* CTA */
.cta-section{
  position:relative;
  padding:var(--space-section) 0;
}
.cta-block{
  position:relative;
  border-radius:28px;
  padding:clamp(36px,6vw,72px);
  overflow:hidden;
  background:
    linear-gradient(135deg, rgba(46,230,194,.14), rgba(79,140,255,.05)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border:1px solid rgba(46,230,194,.22);
  box-shadow:0 24px 80px rgba(0,0,0,.35);
}
.cta-block::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(7,13,23,.86), rgba(7,13,23,.72));
}
.cta-content{
  position:relative;
  z-index:1;
  max-width:860px;
}
.cta-content .eyebrow{color:var(--brand-gold)}
.cta-content .eyebrow::before{background:var(--brand-gold);box-shadow:0 0 12px rgba(245,185,85,.6)}
.cta-content h2{
  color:#fff;
  margin-bottom:18px;
}
.cta-content p{
  color:var(--text-body);
  font-size:16px;
  max-width:720px;
  margin-bottom:30px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
}
.cta-footnote{
  margin-top:26px;
  font-size:14px;
  color:var(--text-muted);
}
.cta-footnote a{color:var(--brand-main);border-bottom:1px solid rgba(46,230,194,.3)}

/* footer */
.site-footer{
  margin-top:60px;
  background:#050a12;
  border-top:1px solid rgba(255,255,255,.07);
  padding:58px 0 28px;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,2.2fr) 1fr;
  gap:48px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-high);
  font-weight:800;
  font-size:20px;
  margin-bottom:16px;
}
.footer-notes{
  color:var(--text-muted);
  font-size:14px;
  line-height:1.9;
  max-width:560px;
}
.footer-col strong{
  color:var(--text-high);
  font-weight:700;
  font-size:16px;
  display:block;
  margin-bottom:14px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  color:var(--text-muted);
  width:max-content;
  min-height:28px;
}
.footer-links a:hover{color:var(--brand-main)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-top:24px;
  color:#5b6a7e;
  font-size:13px;
}
.footer-bottom span{line-height:1.6}

/* 响应式 */
@media(max-width:1100px){
  .steps{
    grid-template-columns:repeat(2,1fr);
    row-gap:28px;
    column-gap:24px;
  }
  .step-item:nth-child(2)::before{display:none}
  .step-item:not(:last-child)::before{right:auto;width:1px;height:18px;top:56px;left:24px;background:rgba(255,255,255,.18)}
}
@media(max-width:480px){
  .media-frame img{aspect-ratio:4/3.2}
}
@media(max-width:1023px){
  :root{--space-section:64px}
  .site-nav{
    display:none;
    position:absolute;
    top:calc(100% + 14px);
    right:0;
    left:0;
    background:rgba(7,13,23,.98);
    border:1px solid var(--border-line-strong);
    border-radius:20px;
    padding:14px;
    box-shadow:0 24px 60px rgba(0,0,0,.4);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
  }
  .site-nav.open{display:flex}
  .site-nav .nav-link{
    justify-content:flex-start;
    padding:13px 16px;
    min-height:48px;
    border-radius:14px;
  }
  .site-nav .nav-link.active{
    background:rgba(46,230,194,.1);
  }
  .site-nav .nav-link.active::after{display:none}
  .site-header .nav-toggle{display:inline-flex}
  .site-footer{padding-top:44px}
}
@media(max-width:899px){
  .intro-section .grid-x{
    display:flex;
    flex-direction:column;
    gap:26px;
  }
  .intro-section .cell{
    width:100%;
    flex:0 0 100%;
    max-width:100%;
  }
  .support-frame.two{order:0}
}
@media(max-width:700px){
  .page-hero{padding:84px 0 56px}
  .brand-badge{display:none}
  .check-grid{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-block{border-radius:22px}
  .channel-item{grid-template-columns:40px 1fr}
}
@media(max-width:620px){
  .step-panel{padding:24px}
  .steps{grid-template-columns:1fr;row-gap:32px}
  .step-item{
    display:grid;
    grid-template-columns:52px 1fr;
    gap:16px;
    align-items:start;
    padding-right:0;
  }
  .step-index{
    margin:0;
    width:44px;
    height:44px;
    font-size:18px;
    grid-column:1;
    grid-row:1 / span 3;
  }
  .step-item h3{margin-top:2px}
  .step-item p{padding-bottom:0;margin:0}
  .step-item:not(:last-child)::before{
    content:none;
  }
  .faq-item summary{padding:18px 18px}
  .faq-answer{padding:0 18px 18px}
}
@media(max-width:520px){
  .container{width:min(100% - 24px,1240px);margin-inline:auto}
  .hero-actions .btn,.cta-actions .btn{
    width:100%;
  }
  .cta-block{padding:28px 20px}
  .brand-text{font-size:18px}
}

/* roulang page: article */
:root {
    --bg-base: #070d17;
    --bg-elevated: #0c1422;
    --bg-glass: rgba(255, 255, 255, 0.045);
    --bg-glass-strong: rgba(255, 255, 255, 0.085);
    --border-line: rgba(255, 255, 255, 0.10);
    --border-line-strong: rgba(255, 255, 255, 0.18);
    --text-high: #edf4ff;
    --text-body: #b7c3d4;
    --text-muted: #77869b;
    --brand-main: #2ee6c2;
    --brand-blue: #4f8cff;
    --brand-gold: #f5b955;
    --danger: #f0616d;
    --success: #32d583;
    --warning: #f2a35e;
    --radius-sm: 10px;
    --radius-card: 18px;
    --radius-big: 24px;
    --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.25);
    --header-height: 68px;
    --container-width: 1240px;
    --space-section: clamp(56px, 8vw, 96px);
    --font-sans: Inter, PingFang SC, Microsoft YaHei, Noto Sans SC, "Alibaba PuHuiTi", Arial, sans-serif;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--bg-base);
    background-image: radial-gradient(circle at 18% 10%, rgba(46, 230, 194, 0.07), transparent 32%), radial-gradient(circle at 86% 8%, rgba(79, 140, 255, 0.06), transparent 28%);
    color: var(--text-body);
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image: linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
    background-size: 46px 46px;
    opacity: 0.5;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    color: var(--text-high);
    font-weight: 700;
    line-height: 1.3;
}

p {
    margin: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

img {
    display: block;
    max-width: 100%;
    border: 0;
}

ul,
ol {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

button {
    font-family: inherit;
    border: 0;
    cursor: pointer;
    background: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮体系 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, rgba(46, 230, 194, 0.92), rgba(71, 200, 255, 0.85));
    box-shadow: 0 8px 30px rgba(46, 230, 194, 0.24), 0 0 0 1px rgba(46, 230, 194, 0.15);
    color: #04121a;
    border: 1px solid rgba(46, 230, 194, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2ee6c2, #59d5ff);
    color: #04121a;
    box-shadow: 0 0 0 1px rgba(46, 230, 194, 0.28), 0 10px 36px rgba(46, 230, 194, 0.30);
    transform: translateY(-2px);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--brand-main);
    outline-offset: 3px;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 18px rgba(46, 230, 194, 0.2);
}

.btn-secondary {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.035));
    border: 1px solid var(--border-line);
    color: var(--text-high);
    box-shadow: inset 0 0 0 rgba(255, 255, 255, 0);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.24);
    color: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-secondary:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.7);
    outline-offset: 3px;
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-block {
    width: 100%;
}

/* 导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    min-height: var(--header-height);
    background: rgba(7, 13, 23, 0.86);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-line);
    transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
    background: rgba(6, 10, 18, 0.94);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.24);
}

.topbar {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    gap: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex-shrink: 0;
}

.brand-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(46, 230, 194, 0.95), rgba(79, 140, 255, 0.85));
    color: #05121a;
    font-weight: 800;
    font-size: 18px;
    box-shadow: 0 0 24px rgba(46, 230, 194, 0.22);
    flex: 0 0 auto;
}

.brand-text {
    color: var(--text-high);
    font-size: 19px;
    font-weight: 800;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 9px;
    border-radius: 999px;
    background: rgba(245, 185, 85, 0.13);
    border: 1px solid rgba(245, 185, 85, 0.35);
    color: var(--brand-gold);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

.site-nav .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 5px 14px;
    border-radius: 999px;
    color: var(--text-body);
    font-size: 15px;
    white-space: nowrap;
    transition: color 0.2s ease, background 0.2s ease;
}

.site-nav .nav-link:hover {
    color: var(--text-high);
    background: rgba(255, 255, 255, 0.07);
}

.site-nav .nav-link.active {
    color: var(--brand-main);
    background: rgba(46, 230, 194, 0.09);
}

.site-nav .nav-link.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--brand-main);
    box-shadow: 0 0 10px rgba(46, 230, 194, 0.9);
}

.site-nav .nav-cta {
    margin-left: 12px;
    min-height: 38px;
    padding: 7px 16px;
    font-size: 14px;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border-line);
    color: var(--text-high);
    background: rgba(255, 255, 255, 0.05);
    font-size: 18px;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--brand-main);
    outline-offset: 2px;
}

/* 面包屑 */
.crumb-band {
    padding: 20px 0 0;
}

.crumb-inner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.crumb-inner a {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.crumb-inner a:hover {
    color: var(--brand-main);
}

.crumb-inner .crumb-current {
    color: var(--text-body);
    max-width: 420px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.crumb-sep {
    color: rgba(255, 255, 255, 0.2);
}

/* 文章详情主区 */
.article-detail-section {
    position: relative;
    padding: 32px 0 0;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 820px) 320px;
    gap: 44px;
    justify-content: center;
    align-items: start;
}

.article-primary {
    min-width: 0;
}

.article-cover-frame {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-big);
    border: 1px solid var(--border-line);
    box-shadow: var(--shadow-card);
    background: #0b1521;
}

.article-cover-frame img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    background-color: #0c2230;
}

.article-cover-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 13, 23, 0.05), rgba(7, 13, 23, 0.42));
    pointer-events: none;
}

.cover-category-tag {
    position: absolute;
    left: 18px;
    top: 18px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    max-width: calc(100% - 36px);
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(7, 13, 23, 0.62);
    border: 1px solid rgba(245, 185, 85, 0.42);
    color: #ffe0a4;
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    z-index: 2;
}

.article-heading-wrap {
    position: relative;
    margin-top: 18px;
    padding: 28px 30px 24px;
    border-radius: var(--radius-card);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--border-line);
    box-shadow: var(--shadow-card);
}

.article-heading-wrap h1 {
    font-size: clamp(26px, 3vw, 36px);
    line-height: 1.3;
    letter-spacing: 0.01em;
}

.article-summary {
    margin-top: 16px;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.8;
}

.article-meta-line {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 22px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border-line);
    color: var(--text-muted);
    font-size: 13px;
}

.article-meta-line span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.article-meta-line i {
    color: var(--brand-main);
    font-size: 13px;
}

.article-content {
    margin-top: 24px;
    padding: 34px 38px;
    border-radius: var(--radius-card);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
    border: 1px solid var(--border-line);
    font-size: 17px;
    line-height: 1.95;
    color: var(--text-body);
    word-break: break-word;
}

.article-content p {
    margin: 0 0 22px;
}

.article-content h2,
.article-content h3 {
    margin: 2em 0 0.9em;
    color: var(--text-high);
    line-height: 1.4;
}

.article-content h2 {
    font-size: 26px;
    padding-top: 0;
}

.article-content h3 {
    font-size: 21px;
}

.article-content a {
    color: var(--brand-main);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: #6effe1;
}

.article-content ul,
.article-content ol {
    margin: 0 0 24px;
    padding-left: 4px;
}

.article-content ul li,
.article-content ol li {
    position: relative;
    margin-bottom: 10px;
    padding-left: 22px;
    list-style: none;
}

.article-content ul li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0.72em;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--brand-main);
    box-shadow: 0 0 10px rgba(46, 230, 194, 0.5);
}

.article-content ol {
    counter-reset: article-list;
}

.article-content ol li {
    counter-increment: article-list;
}

.article-content ol li::before {
    content: counter(article-list);
    position: absolute;
    left: 0;
    top: 0.05em;
    color: var(--brand-main);
    font-weight: 700;
}

.article-content blockquote {
    position: relative;
    margin: 0 0 26px;
    padding: 18px 22px;
    border-radius: 0 14px 14px 0;
    background: rgba(79, 140, 255, 0.08);
    border-left: 3px solid var(--brand-blue);
    color: var(--text-body);
    font-style: normal;
}

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

.article-content img {
    width: auto;
    max-width: 100%;
    margin: 26px auto;
    border-radius: 14px;
    border: 1px solid var(--border-line-strong);
    object-fit: cover;
}

.article-content table {
    width: 100%;
    margin: 26px 0;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--border-line);
    border-radius: 14px;
    overflow: hidden;
    font-size: 15px;
}

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

.article-content table th {
    color: var(--text-high);
    background: rgba(255, 255, 255, 0.07);
    font-weight: 700;
}

.article-content table td {
    color: var(--text-body);
}

.article-content table tr:last-child td {
    border-bottom: 0;
}

.article-content code {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.08);
    color: #9fe9da;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.9em;
}

/* 侧栏 */
.article-side {
    position: sticky;
    top: calc(var(--header-height) + 20px);
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-width: 0;
}

.side-card,
.side-cta-card {
    border-radius: var(--radius-card);
    border: 1px solid var(--border-line);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    padding: 22px;
}

.side-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    color: var(--text-high);
    font-size: 16px;
    font-weight: 700;
}

.side-card-title::before {
    content: "";
    width: 4px;
    height: 18px;
    border-radius: 4px;
    background: var(--brand-main);
    box-shadow: 0 0 10px rgba(46, 230, 194, 0.5);
}

.side-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.side-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 44px;
    padding: 8px 10px;
    border-radius: 12px;
    color: var(--text-body);
    font-size: 14px;
    transition: color 0.2s ease, background 0.2s ease;
}

.side-list a i {
    width: 20px;
    color: var(--brand-blue);
    font-size: 14px;
}

.side-list a small {
    color: var(--text-muted);
    font-size: 12px;
}

.side-list a:hover {
    background: rgba(255, 255, 255, 0.07);
    color: var(--brand-main);
}

.article-side-img-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-line-strong);
    padding: 0;
}

.article-side-img-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.article-side-img-card .side-img-caption {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 16px;
    background: linear-gradient(180deg, rgba(7, 13, 23, 0), rgba(7, 13, 23, 0.8));
    color: var(--text-high);
    font-size: 13px;
    font-weight: 600;
}

.side-cta-card {
    background: linear-gradient(145deg, rgba(46, 230, 194, 0.10), rgba(79, 140, 255, 0.07));
    border-color: rgba(46, 230, 194, 0.16);
}

.side-cta-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.side-cta-card p {
    color: var(--text-body);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 18px;
}

.side-gold-note {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 14px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(245, 185, 85, 0.12);
    border: 1px solid rgba(245, 185, 85, 0.28);
    color: var(--brand-gold);
    font-size: 12px;
}

/* 内容未找到 */
.not-found-section {
    padding: 60px 20px 40px;
}

.not-found-card {
    max-width: 760px;
    margin: 0 auto;
    padding: 60px 30px;
    border-radius: var(--radius-big);
    border: 1px solid var(--border-line);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
    box-shadow: var(--shadow-card);
    text-align: center;
}

.not-found-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: 18px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--brand-main);
    font-size: 28px;
    border: 1px solid var(--border-line-strong);
}

.not-found-card h1 {
    font-size: 28px;
    margin-bottom: 14px;
}

.not-found-card p {
    max-width: 520px;
    margin: 0 auto 26px;
    color: var(--text-muted);
    line-height: 1.8;
}

.not-found-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* 文章底部操作 */
.article-actions {
    padding: 24px 0 0;
}

.article-actions-inner {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    padding: 16px 0;
}

.article-actions-inner .text-muted {
    color: var(--text-muted);
    font-size: 14px;
}

/* 延伸阅读 */
.related-section {
    padding: 40px 0 var(--space-section);
}

.block-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
}

.block-head h2 {
    font-size: clamp(24px, 3vw, 32px);
}

.block-head .head-sub {
    color: var(--text-muted);
    font-size: 14px;
    max-width: 420px;
    text-align: right;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.related-row-card {
    display: flex;
    align-items: stretch;
    gap: 16px;
    padding: 12px;
    border-radius: 16px;
    border: 1px solid var(--border-line);
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.related-row-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-line-strong);
    transform: translateY(-3px);
}

.related-thumb {
    position: relative;
    width: 150px;
    height: 96px;
    flex: 0 0 150px;
    overflow: hidden;
    border-radius: 12px;
    background: #0c1b26;
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-main {
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.related-main h3 {
    color: var(--text-high);
    font-size: 16px;
    line-height: 1.45;
    margin-bottom: 8px;
}

.related-main p {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-main .related-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    color: var(--brand-main);
    font-size: 13px;
}

.related-main .related-link i {
    transition: transform 0.2s ease;
}

.related-row-card:hover .related-link i {
    transform: translateX(3px);
}

/* FAQ */
.article-faq {
    padding: 0 0 var(--space-section);
}

.article-faq-wrap {
    max-width: 820px;
}

.article-faq-wrap .block-head {
    margin-bottom: 14px;
}

.article-faq details {
    margin-top: 12px;
    overflow: hidden;
    border: 1px solid var(--border-line);
    border-radius: 16px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
    transition: border-color 0.2s ease, background 0.2s ease;
}

.article-faq details[open] {
    border-color: var(--border-line-strong);
    background: rgba(255, 255, 255, 0.06);
}

.article-faq summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 58px;
    padding: 12px 20px;
    color: var(--text-high);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    outline: none;
}

.article-faq summary::-webkit-details-marker {
    display: none;
}

.article-faq summary .show-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--brand-main);
    font-size: 14px;
    transition: transform 0.25s ease;
}

.article-faq details[open] summary .show-arrow {
    transform: rotate(45deg);
}

.article-faq .faq-answer {
    padding: 0 20px 18px;
    color: var(--text-body);
    line-height: 1.8;
    font-size: 15px;
}

/* 页脚 */
.site-footer {
    position: relative;
    padding: 42px 0 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
    border-top: 1px solid var(--border-line);
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 44px;
    padding-bottom: 28px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-high);
    font-weight: 800;
    font-size: 19px;
    margin-bottom: 14px;
}

.footer-notes {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.9;
    max-width: 420px;
}

.footer-col strong {
    display: block;
    margin-bottom: 12px;
    color: var(--text-high);
    font-size: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 36px;
    color: var(--text-body);
    font-size: 14px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
    color: var(--brand-main);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 14px 28px;
    flex-wrap: wrap;
    padding: 18px 0;
    border-top: 1px solid var(--border-line);
    color: var(--text-muted);
    font-size: 13px;
}

/* 焦点状态 */
.nav-link:focus-visible,
.footer-links a:focus-visible,
.brand:focus-visible {
    outline: 2px solid var(--brand-main);
    outline-offset: 3px;
    border-radius: 6px;
}

/* 移动端响应 */
@media (max-width: 1080px) {
    .article-layout {
        grid-template-columns: minmax(0, 820px);
    }

    .article-side {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .article-side .article-side-img-card,
    .article-side .side-cta-card {
        grid-column: span 1;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-notes {
        max-width: none;
    }
}

@media (max-width: 1024px) {
    .site-nav {
        position: absolute;
        top: calc(var(--header-height) - 10px);
        left: 20px;
        right: 20px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        margin-left: 0;
        padding: 14px;
        border-radius: 18px;
        background: rgba(9, 16, 28, 0.97);
        border: 1px solid var(--border-line-strong);
        backdrop-filter: blur(22px);
        box-shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
    }

    .site-nav.open {
        display: flex;
        animation: dropNav 0.2s ease;
    }

    .site-nav .nav-link {
        width: 100%;
        padding: 12px 16px;
        border-radius: 12px;
    }

    .site-nav .nav-link.active::after {
        display: none;
    }

    .site-nav .nav-cta {
        margin-left: 0;
        justify-content: center;
        margin-top: 6px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-toggle.is-open .fa-bars:before {
        content: "\f00d";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
    }

    .related-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    :root {
        --space-section: 52px;
    }

    body {
        font-size: 16px;
    }

    .brand-text {
        font-size: 17px;
    }

    .brand-badge {
        display: none;
    }

    .article-cover-frame img {
        height: 220px;
    }

    .article-content {
        padding: 26px 20px;
    }

    .article-heading-wrap {
        padding: 24px 20px;
    }

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

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

    .related-row-card {
        flex-direction: row;
    }

    .related-thumb {
        width: 116px;
        flex-basis: 116px;
    }

    .block-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .block-head .head-sub {
        text-align: left;
    }

    .article-actions-inner {
        justify-content: center;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
    }

    .container {
        padding: 0 16px;
    }

    .crumb-inner .crumb-current {
        max-width: 240px;
    }
}

@media (max-width: 420px) {
    .btn {
        width: 100%;
    }

    .article-actions .btn {
        width: auto;
    }

    .related-row-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .related-thumb {
        width: 100%;
        height: 160px;
    }
}

@keyframes dropNav {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* roulang page: category2 */
:root{
  --bg-base:#070d17;
  --bg-elevated:#0c1422;
  --bg-glass:rgba(255,255,255,0.045);
  --bg-glass-strong:rgba(255,255,255,0.085);
  --border-line:rgba(255,255,255,0.10);
  --border-line-strong:rgba(255,255,255,0.18);
  --text-high:#edf4ff;
  --text-body:#b7c3d4;
  --text-muted:#77869b;
  --brand-main:#2ee6c2;
  --brand-blue:#4f8cff;
  --brand-gold:#f5b955;
  --danger:#f0616d;
  --success:#44e69a;
  --radius-sm:10px;
  --radius:18px;
  --radius-lg:24px;
  --shadow-card:0 20px 50px rgba(0,0,0,0.25);
  --glow:0 0 0 1px rgba(46,230,194,0.18),0 8px 30px rgba(46,230,194,0.22);
  --header-h:68px;
  --font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Alibaba PuHuiTi,sans-serif;
  --mono:'Inter',Arial,sans-serif;
  --space-section:clamp(72px,10vw,112px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  font-family:var(--font-family);
  font-size:17px;
  line-height:1.85;
  color:var(--text-body);
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(46,230,194,0.07),transparent 60%),
    radial-gradient(760px 420px at -10% 18%,rgba(79,140,255,0.08),transparent 60%),
    var(--bg-base);
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  opacity:0.4;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.018) 1px,transparent 1px);
  background-size:56px 56px;
}
a{color:inherit;text-decoration:none}
a,button,input,textarea,select{font-family:inherit}
button{cursor:pointer;border:none;background:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
strong,b{color:var(--text-high);font-weight:600}
.container{max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-sm);
  min-height:44px;
  padding:0 20px;
  font-size:15px;
  font-weight:700;
  transition:all .2s ease;
  border:1px solid transparent;
}
.btn i{font-size:13px}
.btn-primary{
  color:#02160f;
  background:linear-gradient(135deg,#35f2c9,#18c5a0);
  box-shadow:var(--glow);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#55ffdb,#26d6ad);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(46,230,194,0.3),0 16px 38px rgba(46,230,194,0.28);
}
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.nav-cta:focus-visible{
  outline:2px solid var(--brand-main);
  outline-offset:3px;
}
.btn-ghost{
  color:var(--text-high);
  background:rgba(255,255,255,0.05);
  border-color:rgba(255,255,255,0.16);
}
.btn-ghost:hover{
  background:rgba(255,255,255,0.1);
  border-color:rgba(255,255,255,0.28);
  transform:translateY(-2px);
}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-main);
  outline-offset:3px;
  border-radius:8px;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  min-height:var(--header-h);
  background:rgba(7,13,23,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border-line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(7,13,23,.94);
  box-shadow:0 10px 28px rgba(0,0,0,.28);
}
.container.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  padding:4px 0;
}
.brand-dot{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand-main),var(--brand-blue));
  color:#02160f;
  font-weight:900;
  font-size:18px;
  box-shadow:0 0 0 1px rgba(255,255,255,0.14),0 6px 20px rgba(46,230,194,0.14);
}
.brand-text{
  font-size:20px;
  font-weight:800;
  letter-spacing:0.02em;
  color:var(--text-high);
}
.brand-badge{
  padding:3px 10px;
  border:1px solid rgba(245,185,85,0.42);
  color:var(--brand-gold);
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  background:rgba(245,185,85,0.06);
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border-line);
  border-radius:12px;
  color:var(--text-high);
  background:rgba(255,255,255,0.04);
  font-size:20px;
}
.site-nav{
  display:flex;
  align-items:center;
  justify-content:flex-end;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  color:var(--text-muted);
  font-size:14px;
  font-weight:600;
  padding:0 15px;
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{
  color:var(--text-high);
  background:rgba(255,255,255,0.05);
}
.nav-link.active{
  color:var(--brand-main);
  background:rgba(46,230,194,0.08);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:17px;
  right:17px;
  bottom:5px;
  height:2px;
  border-radius:99px;
  background:var(--brand-main);
}
.nav-cta{
  margin-left:14px;
  min-height:42px;
  padding:0 17px;
  font-size:14px;
}

.hero-section{
  padding:34px 0 24px;
  border-bottom:1px solid rgba(255,255,255,0.05);
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:18px;
}
.breadcrumb a{
  color:var(--text-muted);
  transition:color .2s ease;
}
.breadcrumb a:hover{
  color:var(--brand-main);
}
.breadcrumb .current{
  color:var(--text-body);
}
.guide-hero{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:clamp(30px,5vw,66px);
  border:1px solid var(--border-line);
  box-shadow:var(--shadow-card);
  background:
    linear-gradient(110deg,rgba(7,13,23,.94) 0%,rgba(7,13,23,.82) 56%,rgba(46,230,194,.13) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border:1px solid rgba(79,140,255,0.35);
  background:rgba(79,140,255,0.08);
  color:#a9c4ff;
  font-size:13px;
  font-weight:600;
  border-radius:999px;
  margin-bottom:20px;
}
.eyebrow i{
  font-size:11px;
  color:var(--brand-main);
}
.guide-hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.22;
  font-weight:800;
  color:var(--text-high);
  max-width:820px;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.hero-lead{
  max-width:760px;
  font-size:17px;
  color:var(--text-body);
  margin-bottom:28px;
}
.hero-lead strong{
  color:var(--text-high);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  margin-bottom:26px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--text-muted);
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border-line);
  border-radius:999px;
  padding:4px 10px;
}
.hero-tag i{
  color:var(--brand-main);
  font-size:10px;
}

.page-section{
  padding:clamp(40px,6vw,70px) 0;
}
.section-intro{
  max-width:920px;
  margin:0 auto 42px;
  text-align:center;
}
.section-intro .section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--brand-main);
  font-weight:600;
  margin-bottom:12px;
}
.section-intro h2{
  font-size:clamp(28px,3vw,36px);
  color:var(--text-high);
  font-weight:800;
  line-height:1.3;
}

.guide-layout{
  display:grid;
  grid-template-columns:272px minmax(0,1fr);
  gap:34px;
  align-items:start;
}
.guide-toc{
  position:sticky;
  top:92px;
}
.toc-card{
  border:1px solid var(--border-line);
  background:var(--bg-glass);
  border-radius:var(--radius);
  padding:22px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.toc-label{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--brand-main);
  font-size:13px;
  font-weight:700;
  margin-bottom:16px;
}
.toc-label i{
  font-size:12px;
}
.toc-card a{
  display:flex;
  align-items:flex-start;
  gap:9px;
  padding:10px 12px;
  border-radius:10px;
  color:var(--text-muted);
  font-size:14px;
  line-height:1.4;
  transition:color .2s ease,background .2s ease;
}
.toc-card a:hover{
  color:var(--text-high);
  background:rgba(255,255,255,0.05);
}
.toc-card a.current{
  color:var(--brand-main);
  background:rgba(46,230,194,0.07);
}
.toc-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--border-line);
  font-size:13px;
  color:var(--text-muted);
  line-height:1.7;
}
.doc-content{
  min-width:0;
}
.doc-content .content-block + .content-block{
  margin-top:48px;
}
.doc-content h2{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:clamp(22px,2.2vw,28px);
  color:var(--text-high);
  font-weight:800;
  line-height:1.4;
  margin:0 0 18px;
}
.doc-content h2::before{
  content:"";
  width:5px;
  height:22px;
  border-radius:99px;
  background:linear-gradient(180deg,var(--brand-main),var(--brand-blue));
  flex:0 0 auto;
}
.doc-content h3{
  font-size:18px;
  color:var(--text-high);
  font-weight:700;
  margin-bottom:6px;
}
.doc-content p{
  font-size:16px;
  line-height:1.9;
  color:var(--text-body);
  margin-bottom:18px;
}
.doc-content p strong{
  color:var(--text-high);
}
.content-block .role-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:10px 0 20px;
}
.role-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  color:var(--text-body);
  background:rgba(255,255,255,0.035);
  border:1px solid var(--border-line);
  border-radius:12px;
  padding:8px 13px;
}
.role-tag i{
  display:inline-grid;
  place-items:center;
  width:26px;
  height:26px;
  border-radius:8px;
  background:rgba(46,230,194,0.1);
  color:var(--brand-main);
  font-size:12px;
}

.doc-figure{
  margin:28px 0;
  border:1px solid var(--border-line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--bg-elevated);
}
.doc-figure img{
  width:100%;
  max-height:420px;
  object-fit:cover;
  background:#0a111d;
}
.doc-figure figcaption{
  padding:12px 20px;
  font-size:14px;
  color:var(--text-muted);
  border-top:1px solid var(--border-line);
  background:rgba(255,255,255,0.025);
}

.attention-box{
  background:linear-gradient(135deg,rgba(79,140,255,0.08),rgba(255,255,255,0.02));
  border:1px solid rgba(79,140,255,0.28);
  border-radius:var(--radius);
  padding:18px 20px;
  margin:24px 0 8px;
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.attention-box i{
  color:var(--brand-blue);
  font-size:18px;
  margin-top:4px;
}
.attention-box p{
  margin:0;
  font-size:15px;
}
.gold-note{
  background:linear-gradient(135deg,rgba(245,185,85,0.08),rgba(255,255,255,0.02));
  border-color:rgba(245,185,85,0.34);
}
.gold-note i{
  color:var(--brand-gold);
}

.check-list{
  display:grid;
  gap:14px;
  margin:14px 0 6px;
}
.check-row{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:rgba(255,255,255,0.035);
  border:1px solid var(--border-line);
  border-radius:var(--radius);
  padding:18px 20px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.check-row:hover{
  border-color:var(--border-line-strong);
  background:rgba(255,255,255,0.06);
  transform:translateY(-2px);
}
.check-num{
  font-family:var(--mono);
  font-size:13px;
  font-weight:800;
  color:#04130f;
  background:linear-gradient(135deg,var(--brand-main),var(--brand-blue));
  width:30px;
  height:30px;
  display:grid;
  place-items:center;
  border-radius:10px;
  flex:0 0 auto;
}
.check-copy p{
  margin-bottom:0;
  font-size:15px;
}

.flow-list{
  counter-reset:flow;
  display:grid;
  gap:16px;
  margin:20px 0 6px;
}
.flow-list li{
  counter-increment:flow;
  display:grid;
  grid-template-columns:86px minmax(0,1fr);
  gap:18px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border-line);
  border-radius:var(--radius);
  padding:20px 22px;
  transition:border-color .2s ease,background .2s ease;
}
.flow-list li:hover{
  border-color:rgba(46,230,194,0.28);
  background:rgba(46,230,194,0.035);
}
.flow-no{
  font-family:var(--mono);
  font-size:38px;
  font-weight:200;
  line-height:1;
  color:var(--brand-main);
  letter-spacing:-1px;
  opacity:.7;
}
.flow-title{
  display:block;
  color:var(--text-high);
  font-weight:700;
  font-size:18px;
  margin-bottom:5px;
}
.flow-list p{
  margin-bottom:0;
}
.flow-line{
  display:flex;
  justify-content:center;
  color:var(--brand-main);
  font-size:14px;
  margin:-4px 0;
}

.status-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin:18px 0 4px;
}
.status-card{
  background:var(--bg-glass);
  border:1px solid var(--border-line);
  border-radius:var(--radius);
  padding:18px 20px;
  transition:border-color .2s ease,transform .2s ease;
}
.status-card:hover{
  border-color:var(--border-line-strong);
  transform:translateY(-2px);
}
.status-card p{
  margin:8px 0 0;
}
.status-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  font-weight:700;
  padding:4px 12px;
  border-radius:999px;
  line-height:1.5;
}
.status-tag i{
  font-size:9px;
  color:currentColor;
}
.tag-normal{
  color:#a5f5d2;
  background:rgba(46,230,194,.11);
  border:1px solid rgba(46,230,194,.3);
}
.tag-wait{
  color:#ffd798;
  background:rgba(245,185,85,.12);
  border:1px solid rgba(245,185,85,.3);
}
.tag-risk{
  color:#ffb1b8;
  background:rgba(240,97,109,.12);
  border:1px solid rgba(240,97,109,.3);
}
.tag-done{
  color:#bed1ff;
  background:rgba(79,140,255,.13);
  border:1px solid rgba(79,140,255,.3);
}

.setup-items{
  display:grid;
  gap:14px;
}
.setup-row{
  display:flex;
  gap:15px;
  align-items:flex-start;
  background:rgba(255,255,255,0.035);
  border:1px solid var(--border-line);
  border-radius:var(--radius);
  padding:18px 20px;
}
.setup-row i{
  color:var(--brand-main);
  background:rgba(46,230,194,0.1);
  width:34px;
  height:34px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:11px;
  font-size:16px;
  margin-top:2px;
}
.setup-row p:last-child{
  margin-bottom:0;
}

.faq-box{
  margin-top:8px;
}
.faq-item{
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border-line);
  border-radius:var(--radius);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{
  border-color:var(--border-line-strong);
}
.faq-item[open]{
  border-color:rgba(46,230,194,0.3);
  background:rgba(46,230,194,0.04);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:58px;
  padding:14px 20px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:700;
  color:var(--text-high);
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-icon{
  flex:0 0 auto;
  width:28px;
  height:28px;
  display:grid;
  place-items:center;
  border-radius:9px;
  background:rgba(255,255,255,0.06);
  color:var(--brand-main);
  transition:transform .25s ease,background .25s ease;
  font-size:13px;
}
.faq-item[open] summary .faq-icon{
  transform:rotate(45deg);
  background:rgba(46,230,194,0.16);
}
.faq-answer{
  padding:2px 20px 20px;
  color:var(--text-body);
  font-size:15px;
  line-height:1.9;
  border-top:1px solid transparent;
}

.bottom-cta{
  padding:clamp(46px,6vw,72px) 0;
  background:rgba(255,255,255,0.02);
  border-top:1px solid var(--border-line);
  border-bottom:1px solid var(--border-line);
}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  border:1px solid rgba(46,230,194,0.25);
  background:linear-gradient(120deg,rgba(46,230,194,0.1),rgba(12,20,34,0.9) 46%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:clamp(28px,4.5vw,58px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  box-shadow:var(--shadow-card);
}
.cta-copy h2{
  color:var(--text-high);
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-copy p{
  max-width:680px;
  margin-bottom:0;
  color:var(--text-body);
}
.cta-actions{
  flex:0 0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.site-footer{
  background:#050a12;
  padding:64px 0 30px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:40px;
  margin-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:21px;
  font-weight:800;
  color:var(--text-high);
  margin-bottom:16px;
}
.footer-brand .brand-dot{
  width:32px;
  height:32px;
  font-size:16px;
}
.footer-notes{
  max-width:560px;
  margin-bottom:0;
  color:var(--text-muted);
  font-size:14px;
  line-height:1.9;
}
.footer-col strong{
  display:block;
  color:var(--text-high);
  font-size:15px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-links{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:6px;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  color:var(--text-muted);
  font-size:14px;
  padding:4px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{
  color:var(--brand-main);
  transform:translateX(3px);
}
.footer-bottom{
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,0.08);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:var(--text-muted);
  font-size:13px;
}

@media(max-width:900px){
  .brand-text{
    font-size:18px;
  }
  .brand-badge{
    font-size:11px;
    padding:2px 8px;
  }
  .nav-toggle{
    display:inline-flex;
    margin-left:auto;
  }
  .site-nav{
    position:fixed;
    top:calc(var(--header-h) + 8px);
    right:10px;
    left:auto;
    width:min(340px,calc(100vw - 20px));
    flex-direction:column;
    align-items:stretch;
    background:rgba(9,16,27,0.98);
    border:1px solid var(--border-line);
    border-radius:18px;
    padding:16px;
    gap:4px;
    box-shadow:0 24px 60px rgba(0,0,0,0.5);
    opacity:0;
    pointer-events:none;
    transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease;
    z-index:60;
  }
  .site-nav.open{
    opacity:1;
    pointer-events:auto;
    transform:translateY(0);
  }
  .site-nav .nav-link{
    justify-content:flex-start;
    min-height:46px;
  }
  .nav-cta{
    margin:10px 0 0;
    display:flex;
  }
  .guide-layout{
    grid-template-columns:1fr;
    gap:22px;
  }
  .guide-toc{
    position:static;
  }
  .toc-card{
    display:flex;
    flex-direction:column;
    padding:14px;
  }
  .toc-card a{
    white-space:nowrap;
  }
  .doc-content h2{
    font-size:22px;
  }
}

@media(max-width:640px){
  .container{
    padding-left:16px;
    padding-right:16px;
  }
  html{
    scroll-padding-top:84px;
  }
  :root{
    --header-h:62px;
  }
  .brand-text{
    max-width:100px;
    font-size:17px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .brand-badge{
    display:none;
  }
  .guide-hero{
    padding:28px 18px;
    border-radius:20px;
  }
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .hero-actions .btn{
    width:100%;
  }
  .role-tags{
    flex-direction:column;
    align-items:stretch;
  }
  .role-tag{
    justify-content:flex-start;
  }
  .flow-list li{
    grid-template-columns:1fr;
    gap:10px;
    padding:18px;
  }
  .status-grid{
    grid-template-columns:1fr;
  }
  .cta-panel{
    flex-direction:column;
    align-items:stretch;
  }
  .cta-actions{
    flex-direction:row;
    flex-wrap:wrap;
  }
  .cta-actions .btn{
    flex:1 1 auto;
    min-width:130px;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* roulang page: category3 */
:root {
  --bg-base: #070d17;
  --bg-elevated: #0c1422;
  --bg-glass: rgba(255,255,255,0.045);
  --bg-glass-strong: rgba(255,255,255,0.085);
  --border-line: rgba(255,255,255,0.10);
  --border-line-strong: rgba(255,255,255,0.18);
  --text-high: #edf4ff;
  --text-body: #b7c3d4;
  --text-muted: #77869b;
  --brand-main: #2ee6c2;
  --brand-blue: #4f8cff;
  --brand-gold: #f5b955;
  --danger: #f0616d;
  --success: #3ed9a0;
  --warning: #f5b955;
  --radius-card: 18px;
  --radius-image: 24px;
  --radius-btn: 10px;
  --container: 1240px;
  --space-section: clamp(76px, 9vw, 108px);
}
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Alibaba PuHuiTi", sans-serif;
  background-color: var(--bg-base);
  background-image:
    radial-gradient(circle at 12% 12%, rgba(46,230,194,0.05), transparent 26%),
    radial-gradient(circle at 88% 6%, rgba(79,140,255,0.06), transparent 24%),
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: auto, auto, 64px 64px, 64px 64px;
  color: var(--text-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
ul, ol {
  list-style: none;
}
button, input, select, textarea {
  font: inherit;
  border: none;
  box-shadow: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--brand-main);
  outline-offset: 4px;
  border-radius: 6px;
}
::selection {
  background: rgba(46,230,194,.25);
  color: #fff;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ====== Header ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1100;
  background: rgba(7,13,23,.78);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-line);
}
.topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand-dot {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  color: #062019;
  background: linear-gradient(145deg, #63ffe0, #1fcbaa);
  box-shadow: 0 0 22px rgba(46,230,194,.25);
}
.brand-text {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--text-high);
}
.brand-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 999px;
  color: var(--brand-gold);
  background: rgba(245,185,85,.1);
  border: 1px solid rgba(245,185,85,.32);
  letter-spacing: .04em;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 30px);
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 0;
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--brand-main);
  opacity: 0;
  transform: scaleX(.4);
  transition: opacity .2s ease, transform .2s ease;
  border-radius: 4px;
}
.nav-link:hover {
  color: #dbe8fa;
}
.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}
.nav-link.active {
  color: #f2f7ff;
}
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-line);
  background: var(--bg-glass);
  color: var(--text-high);
  font-size: 19px;
  cursor: pointer;
  min-height: 44px;
}
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 1040;
  background: rgba(2,6,12,.62);
  opacity: 0;
  visibility: hidden;
  transition: opacity .22s ease, visibility .22s ease;
}
.nav-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ====== Buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 13px 22px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, #4cf5cf, #20d3ae);
  color: #03211a;
  box-shadow: 0 0 0 1px rgba(46,230,194,.14), 0 8px 28px rgba(46,230,194,.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, #6cffdf, #2ee6c2);
  box-shadow: 0 0 0 1px rgba(46,230,194,.3), 0 12px 38px rgba(46,230,194,.26);
  color: #021810;
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-ghost {
  background: rgba(255,255,255,.05);
  border-color: var(--border-line-strong);
  color: var(--text-high);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.3);
  transform: translateY(-2px);
}
.btn-ghost:active {
  transform: translateY(0);
}

/* ====== Hero ====== */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(70px, 9vw, 118px) 0 72px;
  background:
    linear-gradient(180deg, rgba(7,13,23,.86) 0%, rgba(7,13,23,.72) 70%, rgba(7,13,23,.92) 100%),
    url("/assets/images/backpic/back-2.png") center 28% / cover no-repeat;
  border-bottom: 1px solid var(--border-line);
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% 30%;
  height: 320px;
  background: radial-gradient(closest-side, rgba(46,230,194,.14), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 860px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--brand-main);
  background: rgba(46,230,194,.08);
  border: 1px solid rgba(46,230,194,.25);
  padding: 6px 13px;
  border-radius: 999px;
}
.section-label.gold {
  color: var(--brand-gold);
  background: rgba(245,185,85,.08);
  border-color: rgba(245,185,85,.26);
}
.hero-title {
  margin-top: 26px;
  font-size: clamp(38px, 5.4vw, 60px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--text-high);
  letter-spacing: -.01em;
}
.hero-lead {
  margin-top: 22px;
  max-width: 720px;
  font-size: clamp(17px, 1.2vw, 19px);
  color: #c6d1e0;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.hero-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
  padding: 16px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-line);
  border-left: 3px solid var(--brand-gold);
  border-radius: 16px;
  max-width: 700px;
  color: var(--text-body);
  font-size: 14px;
}
.hero-note i {
  color: var(--brand-gold);
  font-size: 18px;
}

/* ====== Section Base ====== */
.section {
  position: relative;
  padding: var(--space-section) 0;
}
.section-alt {
  background:
    radial-gradient(circle at 16% 20%, rgba(46,230,194,.04), transparent 24%),
    linear-gradient(180deg, rgba(12,20,34,.45), rgba(12,20,34,.1));
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}
.section-head {
  max-width: 830px;
  margin-bottom: 44px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-title {
  margin-top: 14px;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--text-high);
}
.section-desc {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 16px;
}

/* ====== Pair Layout ====== */
.pair-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(30px, 4vw, 64px);
}
.pair-copy {
  flex: 0 0 54%;
}
.pair-media {
  flex: 1 1 36%;
}
.pair-copy p {
  margin-bottom: 14px;
}
.pair-copy p:last-child {
  margin-bottom: 0;
}
.photo-frame {
  position: relative;
  border-radius: var(--radius-image);
  overflow: hidden;
  border: 1px solid var(--border-line-strong);
  background: linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
  box-shadow: 0 20px 50px rgba(0,0,0,.32);
}
.photo-frame img {
  width: 100%;
  height: clamp(220px, 32vw, 420px);
  object-fit: cover;
}
.photo-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.photo-chip {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(7,13,23,.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-line-strong);
  color: #e6eefc;
  font-size: 13px;
  padding: 8px 13px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0,0,0,.24);
}

/* ====== Topic List ====== */
.topic-list {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}
.topic-item {
  display: flex;
  gap: 14px;
  padding: 17px 18px;
  border-radius: var(--radius-card);
  background: linear-gradient(135deg, rgba(255,255,255,.075), rgba(255,255,255,.025));
  border: 1px solid var(--border-line);
  transition: border-color .2s, transform .2s, background .2s;
}
.topic-item:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(255,255,255,.11), rgba(255,255,255,.04));
  border-color: rgba(255,255,255,.2);
}
.topic-icon {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(46,230,194,.1);
  border: 1px solid rgba(46,230,194,.2);
  color: var(--brand-main);
}
.topic-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-high);
  margin-bottom: 2px;
}
.topic-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ====== Steps Panel ====== */
.steps-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-image);
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
}
.step-item {
  position: relative;
  padding: clamp(24px, 3vw, 38px) clamp(20px, 2.6vw, 34px);
  border-left: 1px solid var(--border-line);
}
.step-item:first-child {
  border-left: 0;
}
.step-num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 52px;
  line-height: 1;
  font-weight: 700;
  color: rgba(46,230,194,.24);
}
.step-item h3 {
  margin-top: 18px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-high);
}
.step-item p {
  margin-top: 8px;
  font-size: 15px;
  color: var(--text-muted);
}
.steps-footnote {
  margin-top: 20px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 14px;
}
.status-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid;
}
.status-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.badge-ok {
  color: var(--success);
  background: rgba(62,217,160,.09);
  border-color: rgba(62,217,160,.3);
}
.badge-wait {
  color: var(--warning);
  background: rgba(245,185,85,.09);
  border-color: rgba(245,185,85,.3);
}
.badge-risk {
  color: var(--danger);
  background: rgba(240,97,109,.09);
  border-color: rgba(240,97,109,.3);
}
.badge-done {
  color: var(--brand-main);
  background: rgba(46,230,194,.1);
  border-color: rgba(46,230,194,.3);
}

/* ====== Read Panel ====== */
.read-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(28px, 4vw, 60px);
}
.read-image {
  border-radius: var(--radius-image);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid var(--border-line-strong);
  box-shadow: 0 18px 48px rgba(0,0,0,.28);
}
.read-image img {
  width: 100%;
  height: clamp(240px, 26vw, 330px);
  object-fit: cover;
}
.read-copy h2 {
  margin-top: 12px;
  font-size: clamp(26px, 2.5vw, 34px);
  color: var(--text-high);
  line-height: 1.28;
}
.read-copy p {
  margin-top: 14px;
}
.check-list {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}
.check-list li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  color: var(--text-body);
  font-size: 15px;
}
.check-list i {
  margin-top: 5px;
  color: var(--brand-main);
}
.note-block {
  display: block;
  margin: 24px 0 0;
  padding: 18px 20px;
  border-radius: 16px;
  background: rgba(79,140,255,.07);
  border: 1px solid rgba(79,140,255,.18);
  border-left: 3px solid var(--brand-blue);
  color: #cfdbeb;
  font-size: 15px;
}

/* ====== FAQ Accordion ====== */
.faq-panel {
  max-width: 920px;
  margin: 0 auto;
}
.accordion {
  background: transparent;
  border: 0;
  margin: 0;
}
.accordion-item {
  background: rgba(255,255,255,.035);
  border: 1px solid var(--border-line);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, background .2s;
}
.accordion-item:hover {
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.05);
}
.accordion-title {
  background: transparent;
  border-bottom: 0;
  color: var(--text-high);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.accordion-title:hover,
.accordion-item.is-active > .accordion-title {
  background: transparent;
  color: #fff;
}
.accordion-icon {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-main);
  font-size: 13px;
  transition: transform .2s ease, background .2s ease;
}
.accordion-item.is-active .accordion-icon {
  transform: rotate(45deg);
  background: rgba(46,230,194,.1);
}
.accordion-content {
  background: transparent;
  border-top: 1px solid var(--border-line);
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  padding: 6px 24px 24px;
}
.accordion-content p + p {
  margin-top: 10px;
}

/* ====== CTA ====== */
.cta-section {
  padding: 30px 0 90px;
}
.cta-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
  padding: clamp(32px, 5vw, 56px) clamp(26px, 4vw, 60px);
  border-radius: 28px;
  background:
    radial-gradient(circle at 88% 20%, rgba(46,230,194,.12), transparent 34%),
    radial-gradient(circle at 10% 96%, rgba(79,140,255,.12), transparent 32%),
    linear-gradient(140deg, rgba(255,255,255,.09), rgba(255,255,255,.02));
  border: 1px solid var(--border-line-strong);
  box-shadow: 0 22px 70px rgba(0,0,0,.3);
}
.cta-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity: .06;
  pointer-events: none;
}
.cta-copy {
  position: relative;
  z-index: 2;
  max-width: 650px;
}
.cta-copy h2 {
  font-size: clamp(26px, 2.6vw, 36px);
  color: var(--text-high);
  line-height: 1.28;
}
.cta-copy p {
  margin-top: 12px;
  color: var(--text-body);
}
.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ====== Footer ====== */
.site-footer {
  background: #050a13;
  border-top: 1px solid var(--border-line);
  padding: 64px 0 26px;
  color: var(--text-muted);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border-line);
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-high);
}
.footer-notes {
  max-width: 520px;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col strong {
  color: #e6eefc;
  font-weight: 600;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--brand-main);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 13px;
  color: #64748c;
}

/* ====== Responsive ====== */
@media screen and (max-width: 1024px) {
  .topbar {
    height: 60px;
  }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1060;
    width: min(340px, 86vw);
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 86px 26px 32px;
    background: rgba(7,13,23,.92);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    border-left: 1px solid var(--border-line-strong);
    transform: translateX(106%);
    transition: transform .24s ease, box-shadow .24s ease;
    box-shadow: none;
  }
  .site-nav.nav-open {
    transform: translateX(0);
    box-shadow: -20px 0 60px rgba(0,0,0,.32);
  }
  .site-nav .nav-link {
    padding: 12px 10px;
    border-radius: 12px;
    font-size: 16px;
  }
  .site-nav .nav-link::after {
    display: none;
  }
  .site-nav .nav-link.active {
    background: rgba(46,230,194,.09);
    color: #fff;
  }
  .site-nav .nav-cta {
    margin-top: 6px;
    justify-content: center;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .steps-panel {
    grid-template-columns: 1fr 1fr;
  }
  .step-item {
    border-left: 0;
    border-top: 1px solid var(--border-line);
  }
  .step-item:first-child {
    border-top: 0;
  }
  .step-item:nth-child(2) {
    border-top: 0;
  }
  .read-panel {
    grid-template-columns: 1fr;
  }
  .read-image {
    order: -1;
    max-height: 360px;
  }
}

@media screen and (min-width: 1025px) {
  .site-nav {
    display: flex;
    align-items: center;
  }
}

@media screen and (max-width: 860px) {
  .pair-copy,
  .pair-media {
    flex: 0 0 100%;
  }
  .pair-media {
    order: -1;
  }
}

@media screen and (max-width: 700px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-note {
    padding: 14px 16px;
  }
  .steps-panel {
    grid-template-columns: 1fr;
  }
  .step-item,
  .step-item:first-child,
  .step-item:nth-child(2) {
    border-top: 1px solid var(--border-line);
    border-left: 0;
  }
  .step-item:first-child {
    border-top: 0;
  }
  .cta-panel {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-actions {
    width: 100%;
  }
  .cta-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
  .footer-grid {
    flex-direction: column;
  }
  .footer-bottom {
    flex-direction: column;
  }
}

@media screen and (max-width: 520px) {
  .brand-text {
    font-size: 16px;
  }
  .brand-badge {
    display: none;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .photo-frame img {
    height: 240px;
  }
  .accordion-title {
    font-size: 15px;
    padding: 18px 16px;
  }
  .accordion-content {
    padding: 4px 16px 20px;
  }
  .topic-item {
    padding: 15px 14px;
  }
  .status-legend {
    gap: 8px;
  }
}