/* roulang page: index */
:root{
    --bg-deep:#05101c;
    --bg-panel:rgba(10,28,47,.72);
    --bg-panel-light:rgba(18,43,68,.62);
    --bg-card:rgba(14,35,58,.64);
    --bg-chip:rgba(102,198,255,.14);
    --text-main:#eaf4ff;
    --text-soft:#c3d7e8;
    --text-mute:#8da8bd;
    --line-main:rgba(150,205,255,.22);
    --line-strong:rgba(150,220,255,.42);
    --brand:#4ed8e8;
    --brand-dark:#0f7f9e;
    --cyan-glow:rgba(78,216,232,.42);
    --star:#ffd77a;
    --radius-panel:24px;
    --radius-card:16px;
    --radius-pill:999px;
    --shadow-panel:0 22px 46px rgba(0,0,0,.45);
    --shadow-card:0 10px 34px rgba(0,0,0,.34);
    --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
    --space-section:84px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-main);
    color:var(--text-main);
    background:
        radial-gradient(circle at 18% 10%,rgba(51,126,172,.18),transparent 30%),
        radial-gradient(circle at 80% 22%,rgba(24,64,110,.26),transparent 33%),
        radial-gradient(circle at 50% 90%,rgba(22,77,109,.14),transparent 45%),
        var(--bg-deep);
    line-height:1.75;
    min-height:100vh;
    -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:3px solid rgba(78,216,232,.55);outline-offset:3px;border-radius:4px}
.grid-container{max-width:1200px;padding-right:20px;padding-left:20px}
section{margin:0}
.section-wrap{padding:var(--space-section) 0}
.section-tag{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    background:var(--bg-chip);
    border:1px solid rgba(78,216,232,.28);
    color:var(--brand);
    border-radius:var(--radius-pill);
    padding:6px 15px;
    font-size:13px;
    letter-spacing:.06em;
    margin-bottom:16px;
}
.section-title{
    font-size:clamp(28px,4vw,38px);
    line-height:1.3;
    font-weight:700;
    letter-spacing:.04em;
    margin-bottom:18px;
}
.section-desc{
    color:var(--text-soft);
    font-size:16px;
    max-width:620px;
    margin-bottom:34px;
}
.btn-group{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    border-radius:var(--radius-pill);
    font-weight:600;
    font-size:15px;
    line-height:1;
    min-height:48px;
    padding:0 24px;
    border:1px solid transparent;
    cursor:pointer;
    transition:.22s ease;
    text-decoration:none;
}
.btn-primary{
    background:linear-gradient(135deg,#6fe8ef,#21b4ce);
    color:#032030;
    box-shadow:0 0 0 1px rgba(120,225,255,.25),0 0 27px rgba(78,216,232,.3);
}
.btn-primary i{transition:transform .2s}
.btn-primary:hover{box-shadow:0 0 0 1px rgba(140,235,255,.7),0 0 38px rgba(78,216,232,.62);transform:translateY(-2px)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(78,216,232,.45)}
.btn-ghost{
    background:rgba(10,28,47,.38);
    border-color:var(--line-strong);
    color:var(--text-main);
    backdrop-filter:blur(6px);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(78,216,232,.08)}
.btn-deep{
    background:transparent;
    border:1px solid var(--line-main);
    color:var(--text-soft);
    min-height:46px;
    padding:0 20px;
}
.btn-deep:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.05)}
.glass-panel{
    background:linear-gradient(160deg,rgba(25,50,78,.65),rgba(12,28,48,.72));
    border:1px solid var(--line-main);
    border-radius:var(--radius-panel);
    box-shadow:var(--shadow-panel);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
}
.star-chip{
    display:inline-flex;
    align-items:center;
    gap:7px;
    background:rgba(10,28,47,.55);
    border:1px solid var(--line-main);
    color:var(--text-soft);
    font-size:13px;
    padding:6px 13px;
    border-radius:var(--radius-pill);
    backdrop-filter:blur(8px);
}

/* Header / Navigation */
.site-header{position:relative;z-index:220}
.nav-wrapper{
    display:flex;
    align-items:center;
    gap:18px;
    width:100%;
    background:linear-gradient(150deg,rgba(13,32,53,.9),rgba(8,21,36,.88));
    border:1px solid var(--line-main);
    border-radius:22px;
    padding:14px 20px 14px 14px;
    margin-top:20px;
    box-shadow:var(--shadow-panel);
    backdrop-filter:blur(18px);
}
.brand-side{
    display:flex;
    align-items:center;
    gap:13px;
    min-width:228px;
    padding:5px 0;
}
.brand-mark{
    width:44px;
    height:44px;
    flex-shrink:0;
    border-radius:50%;
    background:
        radial-gradient(circle at 40% 30%,rgba(255,255,255,.75) 0 4%,transparent 5%),
        radial-gradient(circle at 30% 50%,#fff 0 5%,transparent 6%),
        rgba(78,216,232,.15);
    border:1px solid rgba(100,210,255,.5);
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 0 22px rgba(78,216,232,.3),inset 0 0 12px rgba(78,216,232,.14);
}
.brand-mark i{color:var(--brand);font-size:22px;filter:drop-shadow(0 0 8px var(--cyan-glow))}
.brand-name{
    color:#fff;
    font-size:19px;
    font-weight:700;
    letter-spacing:.06em;
    line-height:1.3;
}
.brand-sub{
    color:var(--text-mute);
    font-size:12px;
    letter-spacing:.05em;
}
.nav-main{
    display:flex;
    align-items:center;
    gap:9px;
    flex:1;
    justify-content:center;
    flex-wrap:wrap;
}
.nav-card{
    display:flex;
    align-items:center;
    gap:10px;
    background:rgba(255,255,255,.045);
    border:1px solid rgba(130,190,240,.14);
    border-radius:14px;
    padding:9px 15px;
    transition:.2s ease;
    color:var(--text-main);
    font-size:15px;
}
.nav-card i{
    width:30px;height:30px;border-radius:10px;
    background:rgba(78,216,232,.12);
    color:#a8ebff;
    display:flex;align-items:center;justify-content:center;
}
.nav-card .nav-text{display:flex;flex-direction:column;gap:1px;font-size:15px;font-weight:500;line-height:1.2}
.nav-card .nav-text small{display:block;color:var(--text-mute);font-size:11px}
.nav-card:hover{background:rgba(78,216,232,.1);border-color:rgba(78,216,232,.6);transform:translateY(-1px)}
.nav-card:hover i{box-shadow:0 0 15px rgba(80,220,255,.3)}
.nav-card.active{
    background:linear-gradient(135deg,rgba(78,216,232,.12),rgba(54,132,180,.05));
    border-color:var(--brand);
    box-shadow:0 0 0 1px rgba(78,216,232,.3),0 0 18px rgba(78,216,232,.14);
}
.nav-card.active i{background:rgba(78,216,232,.25);color:#fff}
.header-actions{display:flex;align-items:center;gap:11px;flex-shrink:0}
.header-cta{background:linear-gradient(135deg,#5fe0e9,#12b3cd);color:#04202d;border-radius:999px;border:none;font-weight:700;font-size:14px;padding:11px 18px;display:inline-flex;gap:8px;align-items:center;box-shadow:0 0 20px rgba(78,216,232,.3);transition:.2s;cursor:pointer;text-decoration:none}
.header-cta:hover{box-shadow:0 0 32px rgba(78,216,232,.52);transform:translateY(-1px)}
.header-second{color:var(--text-soft);font-size:14px;padding:7px 10px;transition:.2s;border-radius:9px}
.header-second:hover{color:#fff;background:rgba(255,255,255,.05)}

.mobile-bottom-toolbar{display:none}

.hero{
    position:relative;
    padding-top:24px;
    overflow:hidden;
}
.hero-bg{
    position:absolute;
    inset:0;
    background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    z-index:-2;
}
.hero-bg::after{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(170deg,rgba(3,11,22,.66) 0%,rgba(4,15,27,.55) 55%,rgba(5,16,28,.94) 100%);
}
.hero-panel{
    position:relative;
    background:rgba(6,18,31,.4);
    border:1px solid rgba(122,190,240,.18);
    border-radius:26px;
    margin-top:28px;
    padding:70px 24px 72px;
    text-align:center;
    overflow:hidden;
}
.hero-panel:before{
    content:'';
    position:absolute;
    width:480px;height:220px;
    top:-90px;left:50%;
    transform:translateX(-50%);
    background:radial-gradient(closest-side,rgba(78,216,232,.25),transparent);
    pointer-events:none;
}
.hero-tags{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:18px 0 22px}
.hero h1{
    max-width:940px;
    margin:0 auto 20px;
    font-size:clamp(31px,5.2vw,52px);
    font-weight:800;
    line-height:1.28;
    color:#f3ffff;
    letter-spacing:.03em;
    text-shadow:0 5px 24px rgba(0,0,0,.5);
}
.hero h1 em{
    font-style:normal;
    color:var(--brand);
    text-shadow:0 0 24px rgba(78,216,232,.45);
}
.hero-lead{
    max-width:650px;
    margin:0 auto 28px;
    color:#d6e8f0;
    font-size:18px;
    line-height:1.85;
}
.hero-actions{justify-content:center;margin-top:8px}

.countdown-wrap{
    padding:16px 0 0;
    position:relative;
    z-index:180;
}
.countdown-panel{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:22px;
    background:linear-gradient(130deg,rgba(12,32,52,.8),rgba(7,20,36,.82));
    border:1px solid rgba(130,205,255,.26);
    border-radius:var(--radius-panel);
    padding:14px 22px;
    box-shadow:0 12px 30px rgba(0,0,0,.28);
    backdrop-filter:blur(16px);
}
.countdown-panel.sticky{
    position:sticky;
    top:8px;
    background:rgba(5,15,27,.95);
    border-color:var(--line-strong);
    box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.countdown-caption{
    color:var(--text-soft);
    font-size:15px;
    display:flex;
    align-items:center;
    gap:9px;
    white-space:nowrap;
}
.countdown-caption i{color:var(--star)}
.countdown-items{display:flex;align-items:center;gap:10px}
.countdown-item{
    display:flex;align-items:baseline;gap:5px;
    background:rgba(78,216,232,.08);
    border:1px solid rgba(100,190,235,.2);
    border-radius:12px;
    padding:9px 14px;
    min-width:72px;
    justify-content:center;
}
.countdown-item .num{
    font-family:var(--mono);
    font-size:25px;
    font-weight:700;
    color:var(--brand);
    text-shadow:0 0 17px var(--cyan-glow);
}
.countdown-item .unit{font-size:12px;color:var(--star);letter-spacing:.08em}
.countdown-state{font-size:14px;color:var(--text-soft)}

/* Feature cards */
.card-feature{
    height:100%;
    background:linear-gradient(155deg,rgba(20,46,73,.72) 30%,rgba(10,27,48,.7));
    border:1px solid var(--line-main);
    border-radius:var(--radius-card);
    padding:30px 28px;
    box-shadow:var(--shadow-card);
    transition:.25s ease;
    display:flex;
    flex-direction:column;
}
.card-feature:hover{
    transform:translateY(-7px);
    border-color:rgba(110,220,255,.45);
    box-shadow:0 18px 44px rgba(0,0,0,.42),0 0 24px rgba(78,216,232,.11);
}
.feature-num{
    color:rgba(78,216,232,.3);
    font-family:var(--mono);
    font-size:13px;
    font-weight:700;
    letter-spacing:.12em;
    margin-bottom:13px;
}
.feature-icon{
    width:52px;height:52px;
    border-radius:18px;
    background:rgba(78,216,232,.13);
    border:1px solid rgba(78,216,232,.3);
    color:var(--brand);
    font-size:20px;
    display:flex;align-items:center;justify-content:center;
    margin-bottom:20px;
    box-shadow:inset 0 0 14px rgba(78,216,232,.06);
}
.card-feature h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:12px}
.card-feature p{color:var(--text-soft);font-size:15px;line-height:1.75;margin:0}

/* gallery */
.gallery-grid{
    display:grid;
    grid-template-columns:.8fr 1.2fr .9fr 1.1fr;
    grid-auto-rows:150px;
    gap:16px;
}
.gallery-item{
    position:relative;
    border-radius:22px;
    overflow:hidden;
    border:1px solid rgba(120,190,245,.2);
    background:rgba(10,29,48,.45);
    box-shadow:0 10px 28px rgba(0,0,0,.24);
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.gallery-item::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(180deg,transparent 52%,rgba(3,12,22,.78));
}
.gallery-item .gal-chip{
    position:absolute;
    bottom:12px;left:12px;right:12px;
    z-index:2;
    font-size:13px;
    color:#e9f8ff;
    display:flex;
    align-items:center;
    gap:7px;
}
.gal-1{grid-column:span 1;grid-row:span 2}
.gal-2{grid-column:span 2;grid-row:span 2}
.gal-3{grid-column:span 1;grid-row:span 2}
.gal-4{grid-column:span 2;grid-row:span 1}
.gal-5{grid-column:span 1;grid-row:span 1}
.gal-6{grid-column:span 1;grid-row:span 1}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item:hover{box-shadow:0 0 0 1px rgba(100,205,255,.35),0 0 28px rgba(78,216,232,.25)}
.gallery-note{
    margin-top:17px;
    font-size:14px;
    color:var(--text-mute);
    border-left:3px solid rgba(78,216,232,.45);
    padding-left:14px;
}

/* Info panel style */
.info-lead-panel{
    border-radius:22px;
    background:linear-gradient(135deg,rgba(22,49,76,.55),rgba(8,21,35,.7));
    padding:22px 26px;
    border:1px solid var(--line-main);
    color:var(--text-soft);
    font-size:15px;
    line-height:1.95;
}

/* Step accordion */
.steps-panel{
    background:linear-gradient(150deg,rgba(15,37,60,.76),rgba(9,22,39,.8));
    border:1px solid var(--line-main);
    border-radius:var(--radius-panel);
    padding:38px;
    box-shadow:var(--shadow-panel);
}
.step-item{
    display:flex;
    gap:25px;
    padding:30px 0;
    border-bottom:1px solid rgba(140,210,255,.14);
}
.step-item:last-child{border-bottom:0}
.step-number{
    flex-shrink:0;
    font-family:var(--mono);
    font-size:17px;
    color:#fff;
    width:48px;height:48px;
    border-radius:50%;
    display:flex;
    align-items:center;justify-content:center;
    background:rgba(20,130,150,.2);
    border:1px solid rgba(78,216,232,.44);
    box-shadow:0 0 18px rgba(78,216,232,.14);
}
.step-item h4{font-size:19px;color:#f5fdff;margin-bottom:10px}
.step-item p{color:var(--text-soft);margin-bottom:10px;font-size:15.5px}
.step-link{color:var(--brand);font-size:14px;transition:.2s}
.step-link i{margin-left:5px}
.step-link:hover{color:#b7f9ff;text-decoration:underline;text-underline-offset:4px}

/* FAQ accordion */
.faq-panel{
    border-radius:var(--radius-panel);
    background:linear-gradient(150deg,rgba(15,37,60,.7),rgba(8,20,36,.78));
    border:1px solid var(--line-main);
    box-shadow:var(--shadow-panel);
    padding:20px 30px 10px;
}
.faq-divider{
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(120,200,255,.28),transparent);
    margin:10px 0;
}
.accordion-item{
    background:transparent;
    border:none;
    border-radius:0;
    color:var(--text-main);
}
.accordion-item .accordion-title{
    background:transparent;
    border:none;
    border-radius:0;
    color:var(--text-main);
    font-size:16px;
    font-weight:600;
    padding:22px 22px 20px 2px;
    transition:.2s;
    border-bottom:1px solid transparent;
}
.accordion-item:last-child .accordion-title{border-bottom:none}
.accordion-item .accordion-title::before{
    content:'+';
    color:var(--brand);
    font-weight:300;
    font-size:25px;
    line-height:1;
    width:34px;
    text-align:left;
    transition:transform .3s ease;
}
.accordion-item.is-active .accordion-title::before{
    content:'−';
    color:var(--star);
}
.accordion-item .accordion-content{
    background:transparent !important;
    border:none !important;
    color:var(--text-soft);
    padding:0 0 20px 36px !important;
    font-size:15px;
    line-height:1.9;
    border-bottom:1px solid rgba(140,210,255,.1);
}
.accordion-item:last-child .accordion-content{border-bottom:none}

/* News list cms */
.news-panel{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(290px,1fr));
    gap:20px;
    margin-top:20px;
}
.news-card{
    background:linear-gradient(150deg,rgba(18,42,67,.74),rgba(8,24,42,.78));
    border:1px solid var(--line-main);
    border-radius:20px;
    padding:24px 22px 20px;
    box-shadow:0 12px 28px rgba(0,0,0,.25);
    transition:.25s ease;
    display:flex;
    flex-direction:column;
}
.news-card:hover{
    border-color:rgba(100,230,255,.5);
    transform:translateY(-6px);
    box-shadow:0 16px 38px rgba(0,0,0,.36),0 0 27px rgba(78,216,232,.13);
}
.news-tagline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}
.news-cat{
    display:inline-flex;
    align-items:center;
    font-size:12px;
    padding:4px 12px;
    background:rgba(78,216,232,.08);
    border:1px solid rgba(78,216,232,.25);
    color:#b8f5ff;
    border-radius:999px;
    letter-spacing:.05em;
}
.news-time{
    font-size:12.5px;
    color:var(--text-mute);
    font-family:var(--mono);
    letter-spacing:.02em;
}
.news-card h3{
    font-size:18px;
    line-height:1.55;
    font-weight:700;
    color:#f2faff;
    margin-bottom:10px;
}
.news-card .news-excerpt{
    font-size:14px;
    color:var(--text-soft);
    line-height:1.8;
    flex:1;
    margin-bottom:16px;
}
.news-card .news-detail-link{
    color:var(--brand);
    font-size:14px;
    display:inline-flex;
    align-items:center;
    width:max-content;
    border-bottom:1px dashed rgba(78,216,232,.4);
    padding-bottom:3px;
    transition:.2s;
}
.news-card .news-detail-link i{margin-left:7px;transition:transform .2s}
.news-card:hover .news-detail-link{color:#c8fcff}
.news-card:hover .news-detail-link i{transform:translateX(5px)}
.empty-state-box{
    width:100%;
    background:rgba(11,31,52,.56);
    border:1px dashed rgba(120,195,245,.33);
    border-radius:22px;
    padding:48px 22px;
    text-align:center;
    color:var(--text-soft);
    font-size:15px;
}

/* CTA wide */
.cta-panel-slim{
    display:flex;
    align-items:center;
    justify-content:space-between;
    background:
        linear-gradient(135deg,rgba(15,88,120,.18),rgba(5,22,42,.75)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border:1px solid rgba(130,220,255,.3);
    border-radius:30px;
    padding:54px 42px;
    box-shadow:0 20px 45px rgba(0,0,0,.36);
    backdrop-filter:blur(10px);
    gap:30px;
}
.cta-copy h2{font-size:clamp(25px,3.6vw,36px);line-height:1.35;margin-bottom:10px}
.cta-copy p{color:var(--text-soft)}

/* Footer */
.site-footer{
    padding-top:70px;
    background:rgba(3,10,18,.72);
    margin-top:64px;
    border-top:1px solid var(--line-main);
    backdrop-filter:blur(9px);
}
.footer-upper{
    display:grid;
    grid-template-columns:1.5fr .8fr .8fr 1fr;
    gap:40px;
}
.footer-brand .brand-name{font-size:22px}
.footer-brand p{color:var(--text-soft);font-size:14px;line-height:1.95;max-width:260px}
.footer-title{
    font-size:14px;
    color:rgba(255,255,255,.58);
    font-weight:600;
    margin-bottom:17px;
    letter-spacing:.07em;
}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:var(--text-soft);transition:.2s;line-height:1.6}
.footer-links a:hover{color:var(--brand)}
.footer-contact{font-size:14px;color:var(--text-soft);line-height:2.1}
.footer-contact i{width:26px;color:var(--brand)}
.copyright-bar{
    margin-top:45px;
    border-top:1px solid rgba(255,255,255,.07);
    padding:28px 0 36px;
    font-size:13px;
    color:var(--text-mute);
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:12px;
    flex-wrap:wrap;
}
.to-top{
    display:inline-flex;
    align-items:center;
    gap:7px;
    color:var(--text-soft);
    border:1px solid var(--line-main);
    border-radius:999px;
    padding:10px 17px;
    font-size:14px;
    transition:.2s;
}
.to-top:hover{color:var(--brand);border-color:rgba(78,216,232,.5);transform:translateY(-2px)}

/* responsive */
@media(max-width:1024px){
    :root{--space-section:60px}
    .brand-side{min-width:174px}
    .nav-main{gap:6px;flex-wrap:wrap}
    .nav-card span.nav-text{display:none}
    .nav-card{width:auto}
    .footer-upper{grid-template-columns:1fr 1fr;gap:32px}
    .gal-1{grid-column:span 2;grid-row:span 2}
    .gal-2{grid-column:span 2}
    .gal-3{grid-column:span 2}
    .gal-4{grid-column:span 2}
    .gal-5{grid-column:span 1}
    .gal-6{grid-column:span 1}
}
@media(max-width:768px){
    .nav-wrapper{flex-wrap:wrap;row-gap:12px;padding:12px}
    .brand-side{width:100%;justify-content:space-between;min-width:auto}
    .brand-side .header-actions{display:none}
    .nav-main{width:100%;justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
    .nav-main::-webkit-scrollbar{display:none}
    .header-actions{width:100%;justify-content:center}
    .hero-panel{padding:52px 17px}
    .countdown-panel{flex-direction:column;align-items:flex-start;gap:10px;padding:16px}
    .countdown-items{width:100%}
    .countdown-item{flex:1}
    .card-feature{padding:24px 20px}
    .steps-panel{padding:25px 18px}
    .faq-panel{padding:8px 13px}
}

@media(max-width:640px){
    .site-footer{padding-bottom:84px}
    .mobile-bottom-toolbar{
        position:fixed;
        left:12px;right:12px;bottom:12px;
        z-index:400;
        display:flex;
        gap:5px;
        background:rgba(6,16,28,.92);
        backdrop-filter:blur(15px);
        border:1px solid rgba(130,205,255,.3);
        border-radius:22px;
        padding:9px 9px;
        box-shadow:0 14px 34px rgba(0,0,0,.5);
    }
    .mobile-bottom-toolbar a{
        flex:1;
        display:flex;
        flex-direction:column;
        gap:4px;
        align-items:center;
        font-size:11.5px;
        color:var(--text-soft);
        line-height:1;
        padding:7px 2px 6px;
        border-radius:14px;
        transition:.2s;
    }
    .mobile-bottom-toolbar a i{font-size:17px;color:var(--brand)}
    .mobile-bottom-toolbar a:hover{background:rgba(255,255,255,.06);color:#fff}
    .hero-panel{margin-top:8px}
    .gallery-grid{grid-auto-rows:114px;gap:10px}
    .gal-2{grid-column:span 2}
    .cta-panel-slim{flex-direction:column;text-align:center;padding:38px 20px}
    .cta-panel-slim .btn-group{justify-content:center}
    .hero-tags{gap:7px}
}

/* roulang page: article */
:root {
            --bg-deep: #05101c;
            --bg-body: #0a1724;
            --surface: rgba(17, 32, 48, 0.72);
            --surface-soft: rgba(27, 48, 68, 0.58);
            --surface-high: rgba(40, 66, 91, 0.48);
            --line: rgba(151, 189, 211, 0.18);
            --line-bright: rgba(88, 226, 238, 0.34);
            --text-main: #eef6fb;
            --text-soft: rgba(225, 242, 255, 0.86);
            --text-mute: rgba(176, 206, 226, 0.62);
            --cyan: #56ddeb;
            --cyan-deep: #1ccad9;
            --cyan-glow: rgba(86, 221, 235, 0.36);
            --yellow: #f2cd6d;
            --radius-xl: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-page: 0 24px 80px rgba(0, 0, 0, 0.36);
            --shadow-card: 0 14px 36px rgba(0, 0, 0, 0.26);
            --space-section: 84px;
            --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background:
                radial-gradient(circle at 18% 8%, rgba(40, 110, 146, 0.12), transparent 27%),
                radial-gradient(circle at 85% 30%, rgba(20, 45, 76, 0.35), transparent 36%),
                linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-body) 100%);
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        body,
        div,
        section,
        ul,
        li,
        p,
        figure,
        blockquote {
            padding: 0;
            margin: 0;
        }

        body,
        header,
        main,
        footer,
        nav {
            display: block;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-main);
        }

        .grid-container {
            max-width: 1200px;
        }

        ::focus-visible {
            outline: 3px solid rgba(86, 221, 235, 0.7);
            outline-offset: 3px;
        }

        .site-header {
            position: relative;
            z-index: 100;
            background: rgba(6, 17, 27, 0.84);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.16);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 0;
            flex-wrap: wrap;
        }

        .brand-side {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-mark {
            width: 45px;
            height: 45px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(29, 209, 225, 0.18), rgba(32, 55, 78, 0.5));
            border: 1px solid var(--line-bright);
            color: var(--cyan);
            font-size: 1.35rem;
            box-shadow: 0 0 18px rgba(86, 221, 235, 0.18);
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .brand-sub {
            font-size: 0.7rem;
            color: var(--text-mute);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .nav-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 17px;
            border-radius: 999px;
            border: 1px solid rgba(143, 186, 210, 0.12);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-soft);
            transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }

        .nav-card i {
            width: 32px;
            height: 32px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            flex-shrink: 0;
            background: rgba(86, 221, 235, 0.1);
            color: var(--cyan);
            transition: box-shadow 0.2s ease, transform 0.2s ease;
            font-size: 0.85rem;
        }

        .nav-text {
            display: flex;
            flex-direction: column;
            line-height: 1.3;
            font-size: 0.92rem;
        }

        .nav-text small {
            font-size: 0.68rem;
            color: var(--text-mute);
        }

        .nav-card:hover {
            background: rgba(86, 221, 235, 0.1);
            border-color: var(--line-bright);
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
        }

        .nav-card:hover i {
            transform: translateY(-1px);
        }

        .nav-card.active {
            background: linear-gradient(90deg, rgba(86, 221, 235, 0.2), rgba(65, 166, 192, 0.08));
            border-color: rgba(86, 221, 235, 0.5);
            color: #fff;
            box-shadow: 0 0 22px rgba(86, 221, 235, 0.18);
        }

        .nav-card.active i {
            box-shadow: 0 0 14px rgba(86, 221, 235, 0.3);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 9px;
            flex-shrink: 0;
        }

        .header-second {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 0.85rem;
            padding: 8px 12px;
            border-radius: 999px;
            color: var(--text-soft);
            transition: 0.2s ease;
        }

        .header-second:hover {
            color: var(--cyan);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: linear-gradient(90deg, var(--cyan), #8ff4fa);
            color: #06212b;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 20px;
            border-radius: 999px;
            box-shadow: 0 0 22px rgba(86, 221, 235, 0.35);
            transition: box-shadow 0.2s ease, transform 0.2s ease;
        }

        .header-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 30px rgba(86, 221, 235, 0.52);
        }

        .header-cta:active {
            transform: translateY(1px);
        }

        .article-banner {
            position: relative;
            padding: 108px 0 64px;
            isolation: isolate;
            background: linear-gradient(180deg, rgba(5, 16, 28, 0.12), rgba(4, 12, 22, 0.98)),
                url("/assets/images/backpic/back-2.webp") center / cover no-repeat;
        }

        .article-banner::before {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(4, 13, 24, 0.1), rgba(4, 12, 22, 0.94) 98%);
            content: "";
            z-index: -1;
        }

        .breadcrumb-capsule {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 7px;
            color: var(--text-mute);
            font-size: 0.86rem;
            padding: 12px 20px;
            max-width: 880px;
            margin: 0 auto 26px auto;
            background: rgba(9, 25, 38, 0.6);
            border: 1px solid var(--line);
            border-radius: 999px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .breadcrumb-capsule a {
            color: var(--cyan);
            transition: opacity 0.2s ease;
        }

        .breadcrumb-capsule a:hover {
            opacity: 0.75;
        }

        .breadcrumb-sep {
            color: var(--text-mute);
            font-size: 0.7rem;
            opacity: 0.7;
        }

        .crumb-limit {
            display: inline-block;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-title-wrap {
            max-width: 880px;
            margin: 0 auto;
            padding: 18px 6px 8px;
        }

        .article-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            letter-spacing: 0.08em;
            color: var(--cyan);
            margin-bottom: 20px;
        }

        .article-kicker::before {
            content: "";
            width: 34px;
            height: 2px;
            background: var(--cyan);
            box-shadow: 0 0 12px var(--cyan-glow);
            display: inline-block;
        }

        .article-h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            letter-spacing: 0.01em;
            line-height: 1.28;
            max-width: 860px;
            margin-bottom: 24px;
            color: #f2faff;
            text-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .article-meta-ribbon {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            padding: 5px 0;
        }

        .meta-pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 16px;
            border-radius: 999px;
            border: 1px solid var(--line);
            background: rgba(11, 29, 44, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: var(--text-soft);
            font-size: 0.82rem;
        }

        .meta-pill i {
            color: var(--cyan);
        }

        .meta-pill.share-pill {
            border-color: rgba(86, 221, 235, 0.3);
        }

        button.meta-pill {
            cursor: pointer;
            transition: 0.2s ease;
        }

        button.meta-pill:hover {
            border-color: var(--cyan);
            box-shadow: 0 0 14px rgba(86, 221, 235, 0.2);
        }

        .article-main-section {
            padding: 0 0 var(--space-section);
        }

        .article-frame {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .article-content-card {
            background: linear-gradient(145deg, rgba(27, 50, 68, 0.6), rgba(14, 28, 43, 0.75));
            border: 1px solid rgba(151, 189, 211, 0.16);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            padding: clamp(22px, 5vw, 48px);
            position: relative;
            overflow: hidden;
        }

        .article-content-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 24px;
            right: 24px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(86, 221, 235, 0.7), transparent);
            pointer-events: none;
        }

        .cms-content-body {
            max-width: 100%;
            font-size: 1.02rem;
            color: var(--text-soft);
        }

        .cms-content-body > p {
            margin-bottom: 1.35em;
            line-height: 1.85;
        }

        .cms-content-body a {
            color: var(--cyan);
            border-bottom: 1px solid rgba(86, 221, 235, 0.4);
            transition: border-color 0.2s ease;
        }

        .cms-content-body a:hover {
            border-color: var(--cyan);
        }

        .cms-content-body h2 {
            font-size: 1.5rem;
            margin: 1.6em 0 0.6em;
            color: #f2faff;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(151, 189, 211, 0.14);
        }

        .cms-content-body h3 {
            font-size: 1.18rem;
            margin: 1.4em 0 0.5em;
            color: var(--cyan);
        }

        .cms-content-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0 0.5em;
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.3);
        }

        .cms-content-body figcaption {
            text-align: center;
            color: var(--text-mute);
            font-size: 0.8rem;
            margin: 10px 0 22px;
        }

        .cms-content-body blockquote {
            margin: 28px 0;
            padding: 14px 22px;
            border-left: 4px solid var(--cyan);
            background: rgba(86, 221, 235, 0.08);
            border-radius: 0 14px 14px 0;
            box-shadow: 0 0 18px rgba(86, 221, 235, 0.08);
            color: var(--text-soft);
            font-size: 1.05rem;
        }

        .cms-content-body ul,
        .cms-content-body ol {
            margin: 20px 0 26px;
            padding-left: 20px;
        }

        .cms-content-body ul {
            list-style: square outside;
        }

        .cms-content-body ol {
            list-style: decimal outside;
        }

        .cms-content-body ul li,
        .cms-content-body ol li {
            margin-bottom: 8px;
        }

        .cms-content-body hr {
            border: 0;
            height: 1px;
            background: rgba(151, 189, 211, 0.14);
            margin: 36px 0;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 10px;
        }

        .article-not-found-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(86, 221, 235, 0.1);
            border: 1px solid rgba(86, 221, 235, 0.24);
            color: var(--cyan);
            font-size: 1.9rem;
            box-shadow: 0 0 28px rgba(86, 221, 235, 0.12);
        }

        .article-not-found h2 {
            font-size: 1.5rem;
            margin-bottom: 14px;
        }

        .article-not-found p {
            color: var(--text-mute);
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 11px 26px;
            font-weight: 700;
            font-size: 0.95rem;
            border: 1px solid transparent;
            transition: 0.22s ease;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(90deg, var(--cyan), #85eff8);
            color: #05262e;
            box-shadow: 0 0 20px rgba(86, 221, 235, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.4);
        }

        .btn-primary:hover {
            box-shadow: 0 0 38px rgba(86, 221, 235, 0.55);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            filter: brightness(0.94);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--line);
            color: var(--text-soft);
        }

        .btn-ghost:hover {
            border-color: rgba(86, 221, 235, 0.4);
            color: var(--cyan);
        }

        .pager-section {
            padding: 8px 0 20px;
        }

        .pager-inner {
            display: flex;
            gap: 16px;
            align-items: stretch;
            max-width: 880px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .pager-card {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background: rgba(17, 34, 52, 0.5);
            transition: 0.25s ease;
            overflow: hidden;
        }

        .pager-card:hover {
            border-color: rgba(86, 221, 235, 0.42);
            box-shadow: 0 0 22px rgba(86, 221, 235, 0.1);
            transform: translateY(-2px);
            background: rgba(22, 46, 66, 0.55);
        }

        .pager-arrow-box {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            background: rgba(86, 221, 235, 0.12);
            color: var(--cyan);
        }

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

        .pager-card .pager-label {
            font-size: 0.75rem;
            color: var(--text-mute);
            margin-bottom: 3px;
        }

        .pager-card .pager-title {
            font-size: 0.96rem;
            font-weight: 600;
            color: var(--text-soft);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .pager-card:hover .pager-title {
            color: var(--cyan);
        }

        .pager-back-box {
            width: 78px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .pager-back-btn {
            width: 100%;
            height: 100%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            flex-direction: column;
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-mute);
            font-size: 0.8rem;
            padding: 8px;
            transition: 0.2s ease;
        }

        .pager-back-btn i {
            font-size: 1rem;
            color: var(--cyan);
        }

        .pager-back-btn:hover {
            border-color: rgba(86, 221, 235, 0.42);
            box-shadow: 0 0 16px rgba(86, 221, 235, 0.1);
            color: var(--text-main);
        }

        .related-section {
            padding: 30px 0 58px;
        }

        .related-section .grid-container {
            max-width: 1020px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 18px;
            margin-bottom: 24px;
        }

        .section-head h2 {
            font-size: 1.7rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-head h2::after {
            content: "";
            width: 60px;
            height: 3px;
            border-radius: 99px;
            background: linear-gradient(90deg, var(--cyan), transparent);
        }

        .related-card {
            height: 100%;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--line);
            background: rgba(17, 34, 52, 0.5);
            transition: 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(86, 221, 235, 0.4);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.26);
        }

        .related-card .thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.5s ease;
        }

        .related-card:hover .thumb img {
            transform: scale(1.06);
        }

        .related-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .related-body h3 {
            font-size: 1rem;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .related-card:hover h3 {
            color: var(--cyan);
        }

        .related-des {
            color: var(--text-mute);
            font-size: 0.84rem;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .related-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-mute);
            font-size: 0.8rem;
        }

        .related-meta span i {
            color: var(--cyan);
            margin-right: 5px;
        }

        .related-go {
            color: var(--cyan) !important;
            font-size: 0.82rem;
            font-weight: 600;
        }

        .article-cta-section {
            padding: 26px 0 78px;
        }

        .article-cta-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            background: linear-gradient(120deg, rgba(86, 221, 235, 0.11), rgba(17, 40, 62, 0.8) 55%);
            border: 1px solid rgba(86, 221, 235, 0.18);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .article-cta-card::after {
            content: "";
            position: absolute;
            top: -14px;
            right: -20px;
            width: 210px;
            height: 210px;
            border-radius: 50%;
            background: rgba(86, 221, 235, 0.08);
            filter: blur(34px);
            z-index: 0;
            pointer-events: none;
        }

        .article-cta-card > * {
            position: relative;
            z-index: 1;
        }

        .article-cta-text h2 {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .article-cta-text p {
            color: var(--text-mute);
            font-size: 0.92rem;
            max-width: 620px;
        }

        .article-faq-section {
            padding: 12px 0 70px;
        }

        .article-faq-section .grid-container {
            max-width: 880px;
        }

        .accordion.faq-list {
            background: transparent;
            border: 0;
            border-radius: var(--radius-md);
            background: rgba(14, 30, 46, 0.56);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(151, 189, 211, 0.14);
            padding: 0 20px;
        }

        .accordion-item.faq-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid rgba(151, 189, 211, 0.1);
            line-height: 1.7;
        }

        .accordion-item.faq-item:last-child {
            border-bottom: 0;
        }

        .faq-item .accordion-title {
            border: 0;
            background: transparent;
            color: var(--text-main);
            font-size: 0.98rem;
            font-weight: 600;
            line-height: 1.6;
            padding: 1.2rem 2.2rem 1.2rem 0;
            position: relative;
            transition: color 0.2s ease;
        }

        .faq-item .accordion-title:hover {
            color: var(--cyan);
        }

        .faq-item .accordion-title::before {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            color: var(--cyan);
            font-size: 0.7rem;
            transition: transform 0.2s ease;
        }

        .faq-item.is-active > .accordion-title::before {
            transform: translateY(-50%) rotate(180deg);
        }

        .faq-item .accordion-content {
            border: 0;
            background: transparent;
            padding: 0 12px 20px 0;
            color: var(--text-mute);
            font-size: 0.93rem;
        }

        .site-footer {
            border-top: 1px solid rgba(86, 221, 235, 0.16);
            background: linear-gradient(180deg, rgba(8, 19, 30, 0.97), rgba(4, 11, 18, 0.98));
            padding: 64px 0 0;
        }

        .footer-upper {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.4fr;
            gap: 32px;
            padding-bottom: 38px;
        }

        .footer-brand .brand-name {
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--text-mute);
            font-size: 0.86rem;
            line-height: 1.85;
        }

        .footer-title {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            margin-bottom: 14px;
            letter-spacing: 0.06em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            line-height: 2.3;
        }

        .footer-links a {
            color: var(--text-mute);
            font-size: 0.85rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }

        .footer-contact div {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mute);
            font-size: 0.84rem;
            line-height: 2.2;
        }

        .footer-contact i {
            color: var(--cyan);
            width: 16px;
            font-size: 0.8rem;
        }

        .copyright-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            border-top: 1px solid rgba(151, 189, 211, 0.1);
            padding: 18px 0 22px;
            color: var(--text-mute);
            font-size: 0.78rem;
            flex-wrap: wrap;
        }

        .to-top {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-mute);
            font-size: 0.78rem;
            transition: color 0.2s ease;
        }

        .to-top:hover {
            color: var(--cyan);
        }

        @media (max-width: 1024px) {
            :root {
                --space-section: 64px;
            }

            .nav-wrapper {
                row-gap: 10px;
            }

            .nav-main {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 4px;
            }

            .nav-main::-webkit-scrollbar {
                height: 3px;
            }

            .nav-main::-webkit-scrollbar-thumb {
                background: rgba(86, 221, 235, 0.3);
                border-radius: 99px;
            }

            .header-actions {
                margin-left: auto;
            }

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

            .pager-inner {
                flex-wrap: wrap;
            }

            .pager-back-box {
                width: 100%;
                order: 3;
            }

            .pager-back-btn {
                padding: 14px;
                flex-direction: row;
            }

            .article-cta-card {
                padding: 28px 22px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --space-section: 50px;
            }

            .brand-sub {
                display: none;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 13px;
            }

            .brand-name {
                font-size: 0.98rem;
            }

            .nav-card {
                padding: 8px 14px;
                gap: 8px;
            }

            .nav-card i {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }

            .nav-text {
                font-size: 0.84rem;
            }

            .nav-text small {
                display: none;
            }

            .header-second {
                display: none;
            }

            .header-cta {
                padding: 8px 13px;
                font-size: 0.8rem;
            }

            .header-actions .header-cta span {
                display: none;
            }

            .article-banner {
                padding: 62px 0 40px;
            }

            .breadcrumb-capsule {
                border-radius: 14px;
                padding: 10px 14px;
                margin: 0 18px 18px;
            }

            .crumb-limit {
                max-width: 150px;
            }

            .article-title-wrap {
                padding-left: 8px;
                padding-right: 8px;
            }

            .article-h1 {
                font-size: 1.6rem;
            }

            .meta-ribbon {
                flex-wrap: wrap;
            }

            .meta-pill {
                padding: 6px 12px;
                font-size: 0.77rem;
            }

            .article-content-card {
                padding: 24px 18px;
                border-radius: 18px;
            }

            .cms-content-body {
                font-size: 0.98rem;
            }

            .pager-inner {
                flex-direction: column;
            }

            .pager-back-box {
                order: 3;
                width: 100%;
            }

            .article-cta-card {
                flex-direction: column;
                align-items: flex-start;
            }

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

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

            .copyright-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root{
  --bg-base:#050e18;
  --bg-deep:#02070e;
  --panel:rgba(137,193,242,.09);
  --panel-strong:rgba(11,27,43,.82);
  --line:rgba(155,205,245,.18);
  --line-bright:rgba(180,225,255,.34);
  --accent:#47e6dc;
  --accent-soft:#2fc7d9;
  --star:#ffe29a;
  --text:#eaf4fc;
  --text-main:#d5e8f7;
  --muted:#a5bccf;
  --mute-low:#6d8599;
  --danger:#ff8787;
  --btn-dark:#0a1420;
  --radius-sm:12px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow:0 22px 44px rgba(0,0,0,.26);
  --glow:0 0 0 1px rgba(71,230,220,.25),0 0 30px rgba(71,230,220,.16);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.7;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:-1;
  background:radial-gradient(circle at 15% 0%,rgba(50,150,200,.15),transparent 46%),radial-gradient(circle at 85% 18%,rgba(35,95,150,.08),transparent 38%);
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);}
a:hover{color:#9af6ef;}
h1,h2,h3,h4{margin:0;font-weight:650;line-height:1.32;color:var(--text);letter-spacing:.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea{font-family:inherit;}
.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:20px;padding-right:20px;}
.section-block{padding:86px 0;position:relative;}
.section-head{margin-bottom:36px;}
.section-head h2{font-size:32px;line-height:1.28;}
.section-head p{color:var(--muted);margin:14px 0 0;max-width:760px;font-size:16px;}
.label-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(71,230,220,.1);
  border:1px solid rgba(71,230,220,.24);
  color:#8ff2ee;
  font-size:12px;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;letter-spacing:.06em;
}
.section-block+.section-block{border-top:1px solid rgba(140,195,240,.1);}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,17,29,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.2);
}
.nav-wrapper{display:flex;align-items:center;gap:18px;min-height:78px;}
.brand-side{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:212px;padding:8px 0;}
.brand-mark{
  width:44px;height:44px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(145deg,rgba(71,230,220,.26),rgba(18,42,66,.76));
  border:1px solid rgba(120,220,230,.3);
  box-shadow:0 0 16px rgba(71,230,220,.12);
  color:var(--accent);font-size:19px;
}
.brand-name{font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--text);line-height:1.2;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:2px;}
.nav-main{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-card{
  display:flex;align-items:center;gap:10px;
  background:linear-gradient(145deg,rgba(140,195,245,.08),rgba(20,45,70,.36));
  border:1px solid rgba(140,200,240,.14);
  border-radius:20px;
  padding:9px 14px;min-width:128px;
  color:var(--text-main);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
}
.nav-card i{font-size:16px;color:var(--muted);transition:color .2s var(--ease),transform .2s var(--ease);}
.nav-card small{display:block;font-size:10px;color:var(--mute-low);line-height:1.1;margin-top:2px;}
.nav-card:hover,.nav-card.active{transform:translateY(-1px);border-color:var(--line-bright);background:linear-gradient(145deg,rgba(20,52,78,.64),rgba(9,28,45,.72));}
.nav-card:hover i,.nav-card.active i{color:var(--accent);transform:translateY(-1px);}
.nav-card.active{box-shadow:inset 0 0 0 1px rgba(71,230,220,.28),0 10px 30px rgba(0,0,0,.18);}
.nav-card.active .nav-text{color:#aef4ef;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto;}
.nav-main~.header-actions{margin-left:0;}
.header-second{color:var(--muted);padding:10px 16px;border-radius:999px;font-size:14px;border:1px solid transparent;}
.header-second:hover{color:var(--text);border-color:var(--line);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  color:#03131a;font-weight:700;font-size:14px;
  padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#34f0f4,#19b7ce);
  border:1px solid rgba(160,255,245,.5);
  box-shadow:0 0 18px rgba(71,230,220,.42),0 0 36px rgba(30,155,220,.15);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease),filter .22s var(--ease);
}
.header-cta:hover{color:#06202a;filter:brightness(1.05);box-shadow:0 0 0 3px rgba(71,230,220,.16),0 0 34px rgba(71,230,220,.48);}
.header-cta:active{transform:translateY(1px);box-shadow:0 0 0 3px rgba(71,230,220,.1);}
.header-cta:focus-visible,.nav-card:focus-visible,.btn-primary:focus-visible,.btn-ghost:focus-visible,.text-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  border-radius:999px;font-weight:700;border:1px solid transparent;
  padding:13px 26px;font-size:15px;text-decoration:none;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease),filter .22s var(--ease);
  cursor:pointer;
}
.btn-primary{background:linear-gradient(135deg,#35ebef,#18aecb);color:#04131b;border-color:rgba(180,255,245,.4);box-shadow:0 0 20px rgba(71,230,220,.24);}
.btn-primary:hover{color:#04131b;filter:brightness(1.06);box-shadow:0 0 0 4px rgba(71,230,220,.1),0 0 32px rgba(71,230,220,.4);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(20,45,70,.36);border-color:var(--line-bright);color:var(--text-main);}
.btn-ghost:hover{color:#c9f8f5;border-color:#9af2ea;background:rgba(25,60,90,.5);}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:700;font-size:14px;}
.text-link:hover{color:#d1fffb;gap:9px;}
.page-banner{
  position:relative;
  background:linear-gradient(120deg,rgba(5,12,20,.9),rgba(10,30,48,.56)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:56px 0 62px;
  border-bottom:1px solid rgba(150,205,240,.12);
}
.page-banner::before{content:"";position:absolute;inset:0;background:rgba(2,8,14,.2);pointer-events:none;}
.page-banner-inner{position:relative;z-index:2;max-width:1000px;padding:34px 36px;background:rgba(5,14,24,.52);border:1px solid rgba(180,220,255,.18);border-radius:var(--radius-lg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:18px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--mute-low);}
.page-banner h1{font-size:44px;font-weight:760;letter-spacing:.01em;}
.page-banner .lead{margin:18px 0 0;color:var(--text-main);font-size:17px;max-width:720px;}
.meta-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.meta-chip{display:inline-flex;align-items:center;gap:8px;background:rgba(120,180,230,.08);border:1px solid rgba(150,200,240,.16);border-radius:999px;padding:7px 14px;font-size:12px;color:var(--muted);}
.meta-chip i{color:var(--accent);}
.brief-strip{padding:70px 0 0;}
.brief-card{
  height:100%;border-radius:var(--radius-md);
  background:linear-gradient(160deg,rgba(140,190,240,.09),rgba(8,22,36,.72));
  border:1px solid var(--line);
  padding:26px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.brief-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:0 18px 40px rgba(0,0,0,.2);}
.brief-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(71,230,220,.12);border:1px solid rgba(71,230,220,.2);color:var(--accent);font-size:17px;margin-bottom:16px;}
.brief-card h3{font-size:18px;margin-bottom:8px;}
.brief-card p{color:var(--muted);font-size:14px;margin:0;}
.section-head .label-line{display:flex;align-items:center;gap:12px;}
.topic-title{font-weight:700;letter-spacing:.04em;}

.guide-section{
  padding:86px 0 20px;
}
.guide-detail{
  border-radius:var(--radius-lg);
  background:rgba(9,31,51,.64);
  border:1px solid var(--line);
  padding:28px;
  margin-top:28px;
  box-shadow:0 16px 40px rgba(0,0,0,.16);
}
.guide-detail h2{font-size:28px;margin-bottom:8px;}
.guide-detail>p{color:var(--muted);font-size:15px;}
.guide-gridlist{margin-top:32px;}
.guide-card{
  display:grid;
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(135,195,245,.12),rgba(8,22,38,.76));
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.guide-card:hover{transform:translateY(-3px);border-color:var(--line-bright);box-shadow:var(--shadow);}
.guide-card-feature{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:0;margin-bottom:22px;}
.guide-card .guide-thumb{position:relative;min-height:230px;overflow:hidden;}
.guide-card-feature .guide-thumb{min-height:326px;}
.guide-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.guide-card:hover .guide-thumb img{transform:scale(1.04);}
.guide-tag{position:absolute;left:14px;top:14px;z-index:3;background:rgba(3,10,18,.68);border:1px solid rgba(255,255,255,.25);color:#d4ecfa;padding:5px 12px;border-radius:999px;font-size:11px;letter-spacing:.04em;backdrop-filter:blur(8px);}
.guide-content{padding:30px 32px;display:flex;flex-direction:column;}
.guide-content h3{font-size:22px;margin-bottom:12px;}
.guide-content p{color:var(--muted);font-size:15px;line-height:1.75;flex:1;}
.guide-copy-link{margin-top:18px;}
.guide-row{margin-top:14px;}
.guide-row .guide-card-feature{height:100%;margin:0;}
.guide-card-inline{grid-template-columns:minmax(0,.92fr) minmax(0,1.35fr);}
.guide-card-vertical{grid-template-columns:1fr;}
.guide-card-vertical .guide-thumb{min-height:172px;}
.guide-card-vertical .guide-content{padding:24px 24px 26px;}
.vertical-hour{color:var(--star);font-size:12px;letter-spacing:.06em;margin-bottom:8px;}
@media screen and (max-width:768px){
  .guide-card-feature,.guide-card-inline{grid-template-columns:1fr;}
  .guide-card-feature .guide-thumb{min-height:220px;}
  .guide-card .guide-thumb{min-height:190px;}
}

.process-section{background:linear-gradient(rgba(6,17,29,.4),rgba(5,12,22,.4));}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px;}
.process-item{position:relative;border-radius:var(--radius-md);background:rgba(11,28,45,.52);border:1px solid var(--line);padding:28px 22px;transition:border-color .2s var(--ease),transform .2s var(--ease);}
.process-item:hover{border-color:rgba(120,220,230,.4);transform:translateY(-3px);}
.process-num{font-size:13px;color:var(--star);letter-spacing:.12em;margin-bottom:26px;display:flex;align-items:center;gap:10px;}
.process-num::before{content:"";width:30px;height:1px;background:var(--star);opacity:.5;}
.process-item h3{font-size:17px;margin-bottom:10px;}
.process-item p{color:var(--muted);font-size:13px;margin:0;}
@media screen and (max-width:900px){
  .process-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:520px){
  .process-grid{grid-template-columns:1fr;}
}

.faq-section{background:rgba(5,13,23,.36);}
.faq-wrap{
  max-width:840px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:rgba(8,24,40,.52);
  padding:32px 36px;
  margin-top:30px;
}
.faq-item{
  border-bottom:1px solid rgba(150,200,240,.12);
  background:transparent;
}
.faq-item:last-child{border-bottom:0;}
.accordion-title.faq-question{font-size:17px;line-height:1.5;padding:20px 44px 20px 0;color:var(--text-main);position:relative;border-bottom:0;background:transparent;}
.faq-question::before{content:"\f059";font:var(--fa-font-solid);font-weight:900;color:var(--accent);margin-right:12px;}
.faq-question::after{
  font:var(--fa-font-solid);font-weight:900;content:"\f078";color:var(--accent);
  position:absolute;right:4px;top:50%;transform:translateY(-50%);transition:transform .24s var(--ease);font-size:13px;
}
.faq-item.is-active .faq-question::after{transform:translateY(-50%) rotate(180deg);}
.accordion-title.faq-question:hover{color:#fff;background:transparent;}
.faq-content{color:var(--muted);font-size:15px;padding:0 28px 22px 0;line-height:1.8;}
faq-was .faq-content{background:transparent;}

.cta-section{padding:90px 0 110px;}
.cta-wrap{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background:linear-gradient(130deg,rgba(14,48,70,.76),rgba(5,14,24,.88));
  border:1px solid var(--line-bright);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:42px 44px;
  box-shadow:var(--shadow);
}
.cta-wrap::before{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(71,230,220,.2),transparent 60%);}
.cta-wrap h2{font-size:28px;line-height:1.35;position:relative;z-index:1;}
.cta-wrap p{color:var(--muted);margin:12px 0 0;max-width:560px;position:relative;z-index:1;}
.cta-side{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}
@media screen and (max-width:900px){
  .cta-wrap{flex-direction:column;text-align:left;padding:34px 30px;}
}
@media screen and (max-width:520px){
  .cta-side .btn-primary,.cta-side .btn-ghost{width:100%;justify-content:center;}
}

.site-footer{
  background:linear-gradient(rgba(5,16,29,.82),var(--bg-deep));
  border-top:1px solid var(--line);
  padding:64px 0 42px;
}
.footer-upper{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:48px;padding-bottom:40px;
}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.9;margin:14px 0 0;max-width:320px;}
.footer-title{color:#c5dcef;font-size:14px;letter-spacing:.08em;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:5px;}
.footer-links a{color:var(--muted);font-size:14px;line-height:2.2;}
.footer-links a:hover{color:var(--accent);}
.footer-contact{color:var(--muted);font-size:14px;display:flex;flex-direction:column;gap:8px;}
.footer-contact i{color:var(--accent);width:20px;margin-right:4px;}
.copyright-bar{
  border-top:1px solid rgba(150,200,240,.12);
  padding-top:24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  color:var(--mute-low);font-size:13px;
}
.to-top{display:inline-flex;align-items:center;gap:7px;color:var(--muted);padding:7px 12px;border-radius:999px;border:1px solid var(--line);font-size:13px;}
.to-top:hover{color:#fff;border-color:var(--line-bright);}
.mobile-dock{
  display:none;
  position:fixed;left:10px;right:10px;bottom:10px;z-index:120;
  justify-content:space-around;align-items:center;
  background:rgba(5,12,22,.94);
  border:1px solid var(--line-bright);
  border-radius:24px;
  padding:10px 12px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 18px 50px rgba(0,0,0,.4);
}
.mobile-dock a{display:flex;flex-direction:column;align-items:center;gap:3px;border-radius:18px;padding:7px 10px;color:var(--muted);font-size:11px;line-height:1.2;}
.mobile-dock a i{font-size:16px;}
.mobile-dock a.active,.mobile-dock a:hover{color:var(--accent);background:rgba(71,230,220,.08);}
@media screen and (max-width:1080px){
  .brand-side{min-width:184px;}
  .brand-name{font-size:18px;}
  .brand-sub{font-size:10px;}
  .nav-card{padding:8px 12px;min-width:110px;}
}
@media screen and (max-width:940px){
  .nav-main{display:none;}
  .mobile-dock{display:flex;}
  .site-header{position:relative;}
  .nav-wrapper{justify-content:space-between;}
  body{padding-bottom:88px;}
  .section-block{padding:58px 0;}
  .page-banner{padding:40px 0 46px;}
  .page-banner h1{font-size:30px;}
  .footer-upper{grid-template-columns:1fr 1fr;gap:40px;}
}
@media screen and (max-width:640px){
  .header-second{display:none;}
  .header-cta{font-size:13px;padding:8px 14px;}
  .brand-mark{width:36px;height:36px;font-size:16px;border-radius:13px;}
  .brand-name{font-size:16px;}
  .brand-sub{font-size:10px;}
  .nav-wrapper{min-height:64px;gap:8px;}
  .page-banner h1{font-size:26px;}
  .page-banner-inner{padding:22px 20px;}
  .guide-detail{padding:24px 18px;}
  .guide-content{padding:22px 20px;}
  .faq-wrap{padding:20px 18px;}
  .faq-question::before{display:none;}
  .footer-upper{grid-template-columns:1fr;gap:32px;padding-bottom:28px;}
  .copyright-bar{flex-direction:column;align-items:flex-start;}
  .breadcrumb{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#05101c;
  --bg-soft:#0a1a2b;
  --glass-top:rgba(180,210,235,0.34);
  --glass-edge:rgba(160,205,235,0.42);
  --cyan:#3ce0c8;
  --cyan-soft:#67f0d6;
  --amber:#f5d784;
  --moon:#eaf4ff;
  --text:#eaf4ff;
  --text-mute:#a9c0d8;
  --text-dim:#6f8aa5;
  --panel-dark:rgba(10,28,46,0.72);
  --panel-glass:rgba(16,42,64,0.62);
  --radius-xl:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-card:0 22px 50px rgba(0,0,0,0.42);
  --shadow-glow:0 0 0 1px rgba(60,224,200,0.14), 0 14px 40px rgba(60,224,200,0.08), 0 20px 45px rgba(0,0,0,0.5);
  --transition:all .22s cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.7;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(circle at 18% 12%, rgba(35,92,125,.14), transparent 28%),
    radial-gradient(circle at 82% 30%, rgba(22,76,118,.12), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(37,99,110,.10), transparent 35%);
}
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  background-image:radial-gradient(1px 1px at 24px 40px, rgba(255,255,255,.07) 0, transparent 1px);
  background-size:120px 120px;
  z-index:0;
}
img{max-width:100%; display:block; height:auto}
a{color:inherit; text-decoration:none; transition:var(--transition)}
.grid-container{max-width:1240px; margin:0 auto; padding:0 28px; position:relative; z-index:1}
@media screen and (max-width:640px){
  .grid-container{padding:0 18px}
}
h1,h2,h3,h4{line-height:1.3; margin:0}
p{margin:0}
ul,ol{margin:0; padding:0; list-style:none}
button,input,select,textarea{font-family:inherit; font-size:1rem}

/* 页面底部工具条占位 */
.platform-spacer{height:76px}
@media screen and (min-width:640px){.platform-spacer{display:none}}

/* ===== Header ===== */
.site-header{
  position:relative;
  z-index:100;
  padding:24px 0 16px;
  margin-top:14px;
}
.nav-wrapper{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  background:linear-gradient(135deg, rgba(11,25,42,.72), rgba(8,19,33,.82));
  border:1px solid var(--glass-edge);
  border-radius:var(--radius-xl);
  padding:18px 22px;
  box-shadow:0 24px 60px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.brand-side{
  display:flex; align-items:center; gap:12px; flex-shrink:0;
}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:14px;
  color:var(--amber);
  font-size:1.25rem;
  background:linear-gradient(140deg, rgba(245,215,132,.16), rgba(255,255,255,.04));
  border:1px solid rgba(245,215,132,.40);
  box-shadow:0 0 18px rgba(245,215,132,.12);
}
.brand-name{font-size:1.28rem;font-weight:650;letter-spacing:.04em;color:#fff;line-height:1.3}
.brand-sub{font-size:.72rem;color:var(--text-dim);margin-top:2px;letter-spacing:.06em}
.nav-main{
  display:flex;align-items:center;justify-content:center;gap:10px;
  flex:1; flex-wrap:wrap;
}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:10px;
  min-width:142px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-md);
  padding:9px 15px;
  color:var(--text);
  transition:var(--transition);
  text-align:left;
}
.nav-card i{
  width:30px;height:30px;flex:0 0 30px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  font-size:.9rem;
  background:rgba(60,224,200,.12);
  color:var(--cyan-soft);
}
.nav-card small{display:block;color:var(--text-dim);font-size:.62rem;font-weight:400;margin-top:2px;letter-spacing:.02em}
.nav-card:hover{
  background:rgba(60,224,200,.10);
  border-color:rgba(60,224,200,.42);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(0,0,0,.25);
}
.nav-card.active{
  background:rgba(60,224,200,.12);
  border-color:rgba(60,224,200,.50);
  box-shadow:0 0 0 1px rgba(60,224,200,.18), 0 10px 26px rgba(0,0,0,.25);
}
.nav-card.active i{color:#041018;background:var(--cyan-soft);box-shadow:0 0 14px rgba(60,224,200,.35)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-second{
  font-size:.86rem;color:var(--text-mute);border:1px solid transparent;
  padding:9px 10px;border-radius:var(--radius-pill);
}
.header-second:hover{color:#fff;background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.86rem;font-weight:600;
  color:#05101c;background:linear-gradient(135deg,#3ce0c8,#5fe1d8);
  border-radius:var(--radius-pill);
  padding:11px 22px;
  white-space:nowrap;
  box-shadow:0 0 0 0 rgba(60,224,200,0), 0 14px 28px rgba(60,224,200,.18);
  transition:var(--transition);
}
.header-cta:hover{
  box-shadow:0 0 0 1px rgba(255,255,255,.45), 0 0 28px rgba(60,224,200,.52);
  transform:translateY(-1px);
}
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:4px; border-radius:6px;
}

/* 移动导航 */
.mobile-navbar{
  position:fixed; bottom:0; left:0; right:0;
  z-index:120;
  display:none;
  background:rgba(5,16,28,.94);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--glass-edge);
  box-shadow:0 -10px 36px rgba(0,0,0,.45);
}
.mobile-navbar nav{display:flex; justify-content:space-around; align-items:center;padding:10px 8px calc(10px + env(safe-area-inset-bottom))}
.mobile-link{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:.63rem;color:var(--text-mute);width:58px;padding:4px 2px;border-radius:14px}
.mobile-link i{font-size:1.02rem}
.mobile-link.active{color:var(--cyan-soft);background:rgba(60,224,200,.10)}
.mobile-link:hover{color:#fff}
@media screen and (max-width:760px){
  .site-header{padding-top:10px}
  .nav-wrapper{flex-direction:column;gap:16px}
  .nav-main{width:100%; overflow-x:auto; justify-content:flex-start; padding-bottom:4px}
  .nav-card{min-width:130px; flex:0 0 auto}
  .header-actions{width:100%; justify-content:center}
  .header-second{display:none}
  .header-cta{width:100%; justify-content:center}
  .mobile-navbar{display:block}
}

/* ===== 分类页首页紧凑标题区 ===== */
.compact-hero{
  margin-top:26px;
  padding:42px 40px 34px;
  background:linear-gradient(130deg, rgba(14,34,54,.86), rgba(8,20,35,.72));
  border:1px solid rgba(150,205,235,.28);
  border-radius:var(--radius-xl);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09), 0 24px 70px rgba(0,0,0,.38);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  position:relative;
  overflow:hidden;
}
.compact-hero::before{
  content:"";
  position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(60,224,200,.12),transparent 60%);
  pointer-events:none;
}
.cat-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(245,215,132,.10);
  color:var(--amber);
  border:1px solid rgba(245,215,132,.26);
  border-radius:var(--radius-pill);
  font-size:.75rem;
  font-weight:500;
  padding:6px 16px;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.compact-hero h1{
  font-size:clamp(1.9rem,4vw,2.85rem);
  font-weight:650;
  color:#fff;
  letter-spacing:.02em;
}
.compact-hero h1 b{
  background:linear-gradient(90deg,#d8fff8,var(--cyan-soft));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  font-weight:700;
}
.compact-lead{
  margin-top:14px;
  color:var(--text-mute);
  font-size:1rem;
  max-width:780px;
  line-height:1.8;
}
.compact-cta-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
.badge-mini{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--text);background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.11);
  border-radius:var(--radius-pill);
  padding:8px 14px;font-size:.78rem;
}
.badge-mini i{color:var(--cyan-soft)}
@media screen and (max-width:640px){
  .compact-hero{padding:28px 22px}
}

/* ===== 信息速查双列区 ===== */
.section-block{padding:84px 0 20px;position:relative;z-index:1}
.section-block + .section-block{padding-top:60px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.section-kicker{font-size:.76rem;color:var(--cyan-soft);letter-spacing:.12em;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.section-head h2{font-size:clamp(1.4rem,2.6vw,1.85rem);color:#fff;font-weight:620;letter-spacing:.03em}
.section-note{color:var(--text-dim);font-size:.82rem;margin-top:8px}
.info-scan-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start}
@media screen and (max-width:900px){
  .info-scan-grid{grid-template-columns:1fr}
}
.list-main{display:flex;flex-direction:column;gap:20px}
.feature-card{
  position:relative;
  display:block;
  border-radius:var(--radius-xl);
  overflow:hidden;
  min-height:280px;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  border:1px solid var(--glass-edge);
}
.feature-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, transparent 24%, rgba(3,10,18,.86));
  z-index:1;
}
.feature-card .feat-img{
  position:absolute;inset:0;
  background:url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
  transition:transform .6s ease;
}
.feature-card:hover .feat-img{transform:scale(1.04)}
.feature-card .feat-body{position:absolute;left:0;right:0;bottom:0;padding:24px 26px;z-index:2}
.feature-card .label-chip{
  display:inline-block;
  font-size:.72rem;
  background:rgba(60,224,200,.88);
  color:#041018;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  font-weight:600;
  margin-bottom:10px;
}
.feature-card h3{color:#fff;font-size:1.4rem;font-weight:620;margin-bottom:8px}
.feature-card p{color:#d3e3f5;font-size:.9rem;max-width:660px;line-height:1.8}

/* 分类列表单列主导航 */
.dir-card{
  display:grid;
  grid-template-columns:62px 1fr auto;
  gap:18px;
  align-items:center;
  background:var(--panel-glass);
  border:1px solid rgba(160,205,235,.20);
  border-radius:var(--radius-lg,20px);
  padding:22px 24px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:var(--transition);
  box-shadow:0 12px 30px rgba(0,0,0,.22);
  position:relative;
}
.dir-card:hover{
  transform:translateY(-3px);
  border-color:rgba(60,224,200,.42);
  box-shadow:0 16px 44px rgba(0,0,0,.35), 0 0 0 1px rgba(60,224,200,.1);
  background:linear-gradient(135deg, rgba(25,54,72,.82), rgba(14,35,52,.78));
}
.dir-icon{
  width:62px;height:62px;
  display:flex;align-items:center;justify-content:center;
  border-radius:18px;
  background:linear-gradient(145deg, rgba(60,224,200,.18), rgba(60,224,200,.05));
  border:1px solid rgba(60,224,200,.30);
  font-size:1.4rem;
  color:var(--cyan-soft);
  box-shadow:0 8px 24px rgba(0,0,0,.18);
  transition:var(--transition);
}
.dir-card:hover .dir-icon{
  background:var(--cyan-soft);
  color:#05101c;
  box-shadow:0 0 26px rgba(60,224,200,.45);
}
.dir-main h3{color:#fff;font-size:1.08rem;font-weight:620;margin-bottom:5px}
.dir-main p{color:var(--text-mute);font-size:.84rem;line-height:1.7;max-width:620px}
.dir-extra{display:flex;align-items:center;gap:14px}
.dir-time{text-align:right;font-size:.75rem;color:var(--text-dim);line-height:1.5;white-space:nowrap}
.dir-time b{display:block;color:var(--amber);font-weight:500;margin-top:4px}
.dir-link{
  color:var(--cyan-soft);font-size:.84rem;border:1px solid rgba(60,224,200,.32);
  padding:7px 14px;border-radius:var(--radius-pill);white-space:nowrap;font-weight:500;
  transition:var(--transition);
}
.dir-link:hover{background:var(--cyan-soft);color:#05101c;box-shadow:0 0 16px rgba(60,224,200,.35)}
/* mobile stacked */
@media screen and (max-width:560px){
  .dir-card{grid-template-columns:48px 1fr;padding:16px}
  .dir-icon{width:48px;height:48px;font-size:1.1rem;border-radius:14px}
  .dir-extra{grid-column:2;justify-content:flex-start}
  .dir-time{display:flex;gap:10px;white-space:normal}
  .dir-time b{display:inline;margin-top:0}
}

/* 右侧 context aside */
.aside-panel{
  border-radius:var(--radius-xl);
  background:linear-gradient(160deg, rgba(14,35,52,.80), rgba(8,21,32,.78));
  border:1px solid rgba(150,200,235,.22);
  padding:24px 20px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  position:sticky; top:20px;
}
.aside-title{font-size:.92rem;font-weight:600;color:#fff;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.aside-title i{color:var(--cyan-soft)}
.aside-lines{display:flex;flex-direction:column;gap:14px;margin-bottom:22px;border-bottom:1px solid rgba(255,255,255,.09);padding-bottom:18px}
.aside-lines .line{display:flex;align-items:flex-start;gap:11px;color:var(--text-mute);font-size:.84rem}
.aside-lines .line i{margin-top:5px;font-size:.7rem;color:var(--cyan-soft);width:16px;height:16px;border-radius:50%;border:1px solid rgba(60,224,200,.3);display:flex;align-items:center;justify-content:center;flex:0 0 16px;background:rgba(60,224,200,.08)}
.mini-memo{
  background:rgba(38,72,92,.4);
  border:1px dashed rgba(160,215,235,.30);
  border-radius:14px;
  padding:14px;
  font-size:.78rem;
  color:var(--text-mute);
  margin-bottom:22px;
  line-height:1.7;
}
.mini-memo i{color:var(--amber);margin-right:5px}
.aside-link-list{display:flex;flex-direction:column;gap:6px}
.aside-link{
  display:flex;align-items:center;gap:10px;
  padding:7px 5px;
  border-radius:10px;
  font-size:.84rem;color:var(--text);
  transition:var(--transition);
}
.aside-link i{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.06);border-radius:9px;font-size:.8rem;color:var(--cyan-soft)}
.aside-link:hover{background:rgba(60,224,200,.12);color:#fff;padding-left:12px}
@media screen and (max-width:900px){
  .aside-panel{position:static;order:2}
}

/* ===== 三步速查 ===== */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}
@media screen and (max-width:760px){.step-grid{grid-template-columns:1fr}}
.step-card{
  background:var(--panel-glass);
  border:1px solid rgba(160,205,235,.17);
  border-radius:var(--radius-xl);
  padding:26px 24px;
  position:relative;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:var(--transition);
}
.step-card:hover{
  background:rgba(18,42,58,.82);
  border-color:rgba(60,224,200,.30);
  transform:translateY(-4px);
  box-shadow:var(--shadow-glow);
}
.step-no{font-size:.8rem;color:var(--amber);font-weight:600;display:flex;align-items:center;gap:8px;margin-bottom:10px}
.step-no i{color:var(--cyan-soft)}
.step-card h3{color:#fff;font-size:1.12rem;font-weight:600;margin-bottom:8px}
.step-card p{color:var(--text-mute);font-size:.86rem;line-height:1.8}

/* ===== 标签速查 ===== */
.topic-zone{
  background:linear-gradient(135deg, rgba(11,28,42,.84), rgba(7,18,30,.74));
  border:1px solid rgba(160,205,235,.18);
  border-radius:var(--radius-xl);
  padding:30px 28px;
  position:relative;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.tag-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;
  font-size:.82rem;
  border-radius:var(--radius-pill);
  border:1px solid rgba(160,205,235,.25);
  background:rgba(255,255,255,.05);
  color:var(--text);
  transition:var(--transition);
}
.tag-item i{color:var(--amber);font-size:.68rem}
.tag-item:hover{border-color:var(--cyan);color:#fff;background:rgba(60,224,200,.10);box-shadow:0 0 12px rgba(60,224,200,.14)}

/* ===== FAQ ===== */
.faq-zone{
  background:linear-gradient(160deg, rgba(14,35,52,.72), rgba(8,21,32,.80));
  border:1px solid rgba(150,200,235,.20);
  border-radius:var(--radius-xl);
  padding:32px 28px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.faq-item{border-bottom:1px solid rgba(160,205,235,.12)}
.faq-item:last-child{border-bottom:none}
.faq-toggle{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;
  text-align:left;
  background:none;border:none;color:#e9f5fe;
  padding:20px 2px;
  cursor:pointer;
  font-size:1rem;
  font-weight:500;
  border-radius:0;
  box-shadow:none;
}

.faq-toggle:hover{color:var(--cyan-soft)}
.faq-q{display:flex;align-items:center;gap:12px}
.faq-q i{width:28px;height:28px;flex:0 0 28px;border-radius:9px;background:rgba(60,224,200,.10);color:var(--cyan-soft);display:flex;align-items:center;justify-content:center;font-size:.7rem}
.faq-icon{color:var(--text-dim);transition:transform .2s ease}
.faq-item.is-active .faq-icon{transform:rotate(45deg);color:var(--cyan-soft)}
.faq-content{max-height:0;overflow:hidden;transition:max-height .18s ease-out}
.faq-content .inner{padding:0 2px 24px;color:var(--text-mute);font-size:.9rem;line-height:1.85}
.accordion-item.is-active>.accordion-content{max-height:360px}
.accordion-item>.accordion-content{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.accordion-title .faq-q small{display:block;font-size:.68rem;color:var(--text-dim)}
.accordion-title:hover{color:var(--cyan)}
.accordion-title:focus{box-shadow:none}

/* CTA */
.cta-wide{
  margin-top:40px;
  border-radius:var(--radius-xl);
  padding:44px 42px;
  background:
    radial-gradient(800px 240px at 84% -10%, rgba(60,224,200,.20), transparent 60%),
    linear-gradient(130deg, rgba(16,44,64,.96), rgba(7,18,30,.94));
  border:1px solid rgba(60,224,200,.30);
  box-shadow:0 30px 80px rgba(0,0,0,.45);
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  flex-wrap:wrap;
}
.cta-copy h2{color:#fff;font-size:1.6rem;font-weight:650;margin-bottom:10px}
.cta-copy p{color:var(--text-mute);max-width:620px;font-size:.92rem}
.cta-buttons{display:flex;gap:14px;flex-wrap:wrap}
@media screen and (max-width:760px){
  .cta-wide{padding:30px 22px;flex-direction:column;text-align:left}
  .cta-buttons{width:100%}
  .cta-buttons a{flex:1;text-align:center;justify-content:center}
}

/* ===== Footer ===== */
.site-footer{
  margin-top:96px;
  padding:60px 0 34px;
  background:linear-gradient(180deg, rgba(6,17,28,.30), rgba(3,9,16,.92));
  border-top:1px solid rgba(150,205,235,.18);
  position:relative;z-index:2;
}
.footer-upper{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(160,205,235,.10);
}
.footer-brand p{color:var(--text-dim);font-size:.85rem;line-height:1.8;margin-top:14px}
.footer-title{color:var(--cyan-soft);font-size:.82rem;letter-spacing:.1em;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{color:var(--text-mute);font-size:.85rem}
.footer-links a:hover{color:#fff;padding-left:5px}
.footer-contact{display:flex;flex-direction:column;gap:7px;color:var(--text-mute);font-size:.85rem}
.footer-contact i{color:var(--cyan-soft);width:20px}
.copyright-bar{
  padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--text-dim);font-size:.76rem;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--text-mute);font-size:.82rem;
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-pill);
  padding:6px 14px;
}
.to-top:hover{color:#fff;border-color:var(--cyan)}
@media screen and (max-width:1024px){
  .footer-upper{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:640px){
  .site-footer{margin-top:72px;padding-bottom:100px}
  .footer-upper{grid-template-columns:1fr}
  .copyright-bar{flex-direction:column;justify-content:flex-start}
}

/* misc */
.section-divider{height:2px;background:linear-gradient(90deg,transparent,rgba(60,224,200,.28),transparent);}
.pseudo-space{height:18px}