/* roulang page: index */
:root{
    --bg-deep:#05070D;
    --bg-mid:#0A1622;
    --bg-high:#0C1524;
    --brand-red:#E8452C;
    --brand-gold:#F6B93B;
    --neon-cyan:#2EE6D6;
    --text-warm:#F5F0E6;
    --text-muted:#94A0B0;
    --border-gold:rgba(246,185,59,.22);
    --border-cyan:rgba(46,230,214,.18);
    --glow-cyan:0 0 28px rgba(46,230,214,.16);
    --glow-gold:0 0 0 1px rgba(246,185,59,.14);
    --radius-card:24px;
    --radius-large:32px;
    --radius-btn:999px;
    --radius-input:16px;
    --font-sys:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    --spacing-section:96px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-sys);
    background:var(--bg-deep);
    color:var(--text-warm);
    line-height:1.7;
    font-size:1rem;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:all .25s ease}
ul{list-style:none;padding:0;margin:0}
button{font-family:inherit}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1400px){.container{max-width:1280px}}

/* 导航 */
.cf-nav{
    position:sticky;top:0;z-index:1000;
    background:rgba(5,7,13,.9);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:2px solid transparent;
    border-image:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan)) 1;
    padding:14px 0;
}
.cf-nav .nav-logo{
    font-size:1.5rem;font-weight:900;letter-spacing:1px;
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    white-space:nowrap;
}
.cf-nav .nav-link{
    color:var(--text-muted);
    font-weight:500;
    margin:0 6px;
    padding:6px 12px;
    border-radius:var(--radius-btn);
    position:relative;
    font-size:.95rem;
    letter-spacing:.5px;
}
.cf-nav .nav-link:hover,
.cf-nav .nav-link:focus{color:var(--text-warm)}
.cf-nav .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:0;
    height:2px;background:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan));
    transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
    border-radius:2px;
}
.cf-nav .nav-link:hover::after,
.cf-nav .nav-link:focus::after{transform:scaleX(1)}
.cf-nav .nav-link.active{
    color:var(--neon-cyan);
    text-shadow:0 0 12px rgba(46,230,214,.6);
}
.cf-nav .nav-link.active::after{
    transform:scaleX(1);
    background:var(--neon-cyan);
    box-shadow:0 0 10px rgba(46,230,214,.5);
}
.cf-nav .cta-btn{
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    color:var(--text-warm);
    font-weight:700;
    padding:8px 20px;
    border-radius:var(--radius-btn);
    border:none;
    font-size:.9rem;
    letter-spacing:.5px;
    white-space:nowrap;
}
.cf-nav .cta-btn:hover,
.cf-nav .cta-btn:focus{
    color:#fff;
    box-shadow:0 0 20px rgba(232,69,44,.45);
    transform:translateY(-1px);
}
.navbar-toggler{
    border:1px solid var(--border-cyan);
    color:var(--neon-cyan);
    font-size:1.2rem;
    padding:6px 10px;
}
.navbar-toggler:focus{box-shadow:none;border-color:var(--neon-cyan)}

@media(max-width:991px){
    .cf-nav .nav-link{margin:4px 0}
    .cf-nav .navbar-collapse{background:rgba(5,7,13,.95);border-radius:16px;padding:16px;margin-top:10px;border:1px solid var(--border-gold)}
}

/* Hero - 主推卡模式 */
.cf-hero{
    position:relative;
    min-height:680px;
    display:flex;align-items:center;
    background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    background-attachment:fixed;
    padding:80px 0;
    overflow:hidden;
}
.cf-hero::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(ellipse at 30% 40%,rgba(232,69,44,.18),transparent 55%),
               radial-gradient(ellipse at 70% 60%,rgba(46,230,214,.12),transparent 50%),
               linear-gradient(135deg,rgba(5,7,13,.9),rgba(10,22,34,.78),rgba(5,7,13,.92));
    z-index:1;
}
.cf-hero .container{position:relative;z-index:2}
.cf-hero .hero-badge{
    display:inline-block;
    background:rgba(246,185,59,.12);
    border:1px solid var(--border-gold);
    color:var(--brand-gold);
    padding:6px 18px;
    border-radius:var(--radius-btn);
    font-size:.85rem;
    font-weight:600;
    letter-spacing:1px;
    margin-bottom:20px;
}
.cf-hero h1{
    font-size:clamp(2.2rem,5.8vw,4.5rem);
    font-weight:900;
    line-height:1.15;
    margin-bottom:24px;
    letter-spacing:.5px;
    text-shadow:0 4px 24px rgba(232,69,44,.3);
}
.cf-hero h1 .grad-text{
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
}
.cf-hero .hero-lead{
    font-size:1.1rem;color:var(--text-muted);
    max-width:640px;margin-bottom:32px;
    letter-spacing:.3px;
}
.cf-hero .hero-cta{
    display:flex;gap:16px;flex-wrap:wrap;margin-bottom:36px;
}
.cf-btn-primary{
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    color:#fff;font-weight:700;font-size:1rem;
    padding:14px 32px;border-radius:var(--radius-btn);
    border:none;letter-spacing:.5px;
    box-shadow:0 0 24px rgba(232,69,44,.35);
    transition:all .3s ease;
}
.cf-btn-primary:hover,.cf-btn-primary:focus{
    color:#fff;transform:translateY(-2px);
    box-shadow:0 0 36px rgba(246,185,59,.4);
}
.cf-btn-outline{
    background:transparent;color:var(--neon-cyan);
    font-weight:600;font-size:1rem;
    padding:14px 28px;border-radius:var(--radius-btn);
    border:1px solid var(--border-cyan);
    letter-spacing:.5px;transition:all .3s ease;
}
.cf-btn-outline:hover,.cf-btn-outline:focus{
    color:var(--neon-cyan);
    background:rgba(46,230,214,.08);
    border-color:var(--neon-cyan);
    box-shadow:0 0 20px rgba(46,230,214,.25);
}
.cf-hero .hero-stats{
    display:grid;grid-template-columns:repeat(4,1fr);
    gap:16px;max-width:640px;
}
.cf-stat{
    background:rgba(10,22,34,.8);
    border:1px solid var(--border-cyan);
    border-radius:16px;
    padding:16px 14px;
    text-align:center;
    transition:all .3s ease;
}
.cf-stat:hover{border-color:var(--neon-cyan);box-shadow:var(--glow-cyan)}
.cf-stat .stat-label{
    font-size:.78rem;color:var(--text-muted);
    letter-spacing:.5px;margin-bottom:6px;
}
.cf-stat .stat-value{
    font-size:1.5rem;font-weight:800;
    color:var(--neon-cyan);
    tabular-nums:1;
}
.cf-stat .stat-unit{font-size:.8rem;color:var(--text-muted)}
@media(max-width:768px){
    .cf-hero{min-height:auto;background-attachment:scroll}
    .cf-hero .hero-stats{grid-template-columns:repeat(2,1fr)}
}

/* 主推卡 */
.cf-feature-card{
    background:linear-gradient(145deg,rgba(10,22,34,.92),rgba(12,21,36,.85));
    border:1px solid var(--border-gold);
    border-radius:var(--radius-large);
    padding:36px 32px;
    position:relative;
    box-shadow:0 0 40px rgba(232,69,44,.12);
}
.cf-feature-card .fc-tag{
    display:inline-block;
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    color:#fff;font-size:.8rem;font-weight:700;
    padding:4px 16px;border-radius:var(--radius-btn);
    letter-spacing:1px;margin-bottom:16px;
}
.cf-feature-card h3{font-size:1.6rem;font-weight:900;margin-bottom:12px}
.cf-feature-card p{color:var(--text-muted);font-size:.98rem;margin-bottom:20px}
.cf-feature-card .btn-trial{
    background:transparent;border:1px solid var(--neon-cyan);
    color:var(--neon-cyan);font-weight:600;
    padding:10px 22px;border-radius:var(--radius-btn);
    font-size:.9rem;transition:all .3s ease;
    display:inline-flex;align-items:center;gap:8px;
}
.cf-feature-card .btn-trial:hover,.cf-feature-card .btn-trial:focus{
    background:rgba(46,230,214,.1);border-color:var(--neon-cyan);
    color:var(--neon-cyan);box-shadow:0 0 16px rgba(46,230,214,.3);
}
.cf-feature-card .btn-enroll{
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    color:#fff;font-weight:700;
    padding:10px 28px;border-radius:var(--radius-btn);
    font-size:.9rem;border:none;transition:all .3s ease;
}
.cf-feature-card .btn-enroll:hover,.cf-feature-card .btn-enroll:focus{
    color:#fff;box-shadow:0 0 22px rgba(232,69,44,.45);transform:translateY(-1px);
}

/* 通用section */
.cf-section{padding:var(--spacing-section) 0;position:relative}
.cf-section .section-tag{
    display:inline-block;
    font-size:.8rem;font-weight:700;letter-spacing:2px;
    color:var(--brand-gold);text-transform:uppercase;
    margin-bottom:12px;
}
.cf-section h2{
    font-size:clamp(1.7rem,3.6vw,2.8rem);
    font-weight:900;line-height:1.25;
    margin-bottom:20px;letter-spacing:.5px;
}
.cf-section .section-desc{
    color:var(--text-muted);font-size:1.05rem;
    max-width:720px;margin-bottom:40px;
}
@media(max-width:768px){
    :root{--spacing-section:56px}
}

/* 服务亮点 */
.cf-service-grid{
    display:grid;grid-template-columns:repeat(6,1fr);
    gap:20px;
}
.cf-service-main{
    grid-column:span 4;
    background:linear-gradient(145deg,rgba(10,22,34,.9),rgba(12,21,36,.82));
    border:1px solid var(--border-gold);
    border-radius:var(--radius-card);
    overflow:hidden;
    transition:all .3s ease;
    min-height:420px;
    display:flex;flex-direction:column;
}
.cf-service-main:hover{
    transform:translateY(-6px);
    box-shadow:0 0 32px rgba(246,185,59,.18),0 0 0 1px rgba(246,185,59,.25);
}
.cf-service-main .svc-img{
    height:220px;overflow:hidden;
}
.cf-service-main .svc-img img{
    width:100%;height:100%;object-fit:cover;
    transition:transform .5s ease;
}
.cf-service-main:hover .svc-img img{transform:scale(1.05)}
.cf-service-main .svc-body{padding:24px 28px;flex:1;display:flex;flex-direction:column}
.cf-service-main h3{font-size:1.5rem;font-weight:800;margin-bottom:10px}
.cf-service-main p{color:var(--text-muted);font-size:.95rem;flex:1}
.cf-badge-cyan{
    display:inline-block;align-self:flex-start;
    background:rgba(46,230,214,.1);color:var(--neon-cyan);
    border:1px solid var(--border-cyan);border-radius:var(--radius-btn);
    padding:4px 14px;font-size:.8rem;font-weight:600;margin-top:14px;
}
.cf-service-side{
    grid-column:span 2;display:flex;flex-direction:column;gap:20px;
}
.cf-service-sub{
    background:linear-gradient(145deg,rgba(10,22,34,.85),rgba(12,21,36,.78));
    border:1px solid var(--border-cyan);
    border-radius:var(--radius-card);
    padding:22px 20px;
    transition:all .3s ease;
    flex:1;
}
.cf-service-sub:hover{
    transform:translateY(-4px);
    border-color:var(--neon-cyan);
    box-shadow:var(--glow-cyan);
}
.cf-service-sub h4{font-size:1.15rem;font-weight:700;margin-bottom:8px}
.cf-service-sub p{color:var(--text-muted);font-size:.88rem;margin-bottom:12px}
.cf-link{
    color:var(--neon-cyan);font-weight:600;font-size:.88rem;
    display:inline-flex;align-items:center;gap:6px;
}
.cf-link:hover,.cf-link:focus{color:var(--brand-gold)}
@media(max-width:991px){
    .cf-service-main{grid-column:span 6}
    .cf-service-side{grid-column:span 6;flex-direction:row}
    .cf-service-sub{flex:1}
}
@media(max-width:576px){
    .cf-service-side{flex-direction:column}
    .cf-service-main .svc-img{height:160px}
}

/* 时段卡 */
.cf-time-slots{
    display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.cf-time-card{
    background:linear-gradient(160deg,rgba(10,22,34,.9),rgba(5,7,13,.92));
    border:1px solid var(--border-gold);
    border-radius:var(--radius-card);
    padding:28px 22px;
    text-align:center;
    transition:all .3s ease;
}
.cf-time-card:hover{
    transform:translateY(-5px);
    border-color:var(--brand-gold);
    box-shadow:0 0 28px rgba(246,185,59,.15);
}
.cf-time-card .time-icon{
    width:52px;height:52px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:rgba(246,185,59,.12);color:var(--brand-gold);
    font-size:1.4rem;margin:0 auto 16px;
}
.cf-time-card h4{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.cf-time-card .time-mult{
    font-size:1.7rem;font-weight:900;color:var(--neon-cyan);
    margin-bottom:6px;tabular-nums:1;
}
.cf-time-card p{color:var(--text-muted);font-size:.85rem}
@media(max-width:991px){.cf-time-slots{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.cf-time-slots{grid-template-columns:1fr}}

/* 资讯动态 */
.cf-news-section{background:rgba(10,22,34,.5)}
.cf-news-grid{display:grid;grid-template-columns:2fr 1fr;gap:28px}
.cf-news-list{display:flex;flex-direction:column;gap:16px}
.cf-news-item{
    display:flex;gap:16px;
    background:rgba(12,21,36,.7);
    border:1px solid rgba(246,185,59,.12);
    border-radius:16px;padding:16px 20px;
    transition:all .3s ease;
}
.cf-news-item:hover{
    border-color:var(--border-gold);
    background:rgba(12,21,36,.9);
    transform:translateX(4px);
}
.cf-news-item .news-dot{
    width:10px;height:10px;border-radius:50%;
    background:var(--neon-cyan);margin-top:8px;flex-shrink:0;
    box-shadow:0 0 8px rgba(46,230,214,.5);
}
.cf-news-item h5{font-size:1rem;font-weight:700;margin-bottom:6px}
.cf-news-item h5 a:hover,.cf-news-item h5 a:focus{color:var(--neon-cyan)}
.cf-news-item p{color:var(--text-muted);font-size:.88rem;margin-bottom:0}
.cf-news-reco{
    background:linear-gradient(160deg,rgba(12,21,36,.9),rgba(5,7,13,.95));
    border:1px solid var(--border-cyan);
    border-radius:var(--radius-card);
    padding:24px 22px;
}
.cf-news-reco h4{font-size:1.1rem;font-weight:800;margin-bottom:16px}
.cf-news-reco .reco-item{
    padding:12px 0;border-bottom:1px solid rgba(246,185,59,.1);
}
.cf-news-reco .reco-item:last-child{border-bottom:none}
.cf-news-reco .reco-item a{
    font-size:.9rem;color:var(--text-muted);
    display:flex;align-items:center;gap:8px;
}
.cf-news-reco .reco-item a:hover,.cf-news-reco .reco-item a:focus{color:var(--neon-cyan)}
@media(max-width:768px){
    .cf-news-grid{grid-template-columns:1fr}
}

/* 结果对比 */
.cf-vs-grid{
    display:grid;grid-template-columns:1fr 80px 1fr;
    align-items:center;gap:12px;
}
.cf-vs-card{
    background:linear-gradient(160deg,rgba(10,22,34,.88),rgba(12,21,36,.78));
    border:1px solid var(--border-gold);
    border-radius:28px;
    padding:32px 28px;
    transition:all .3s ease;
}
.cf-vs-card:hover{border-color:var(--brand-gold);box-shadow:0 0 28px rgba(246,185,59,.15)}
.cf-vs-card h4{font-size:1.2rem;font-weight:800;margin-bottom:16px;text-align:center}
.cf-vs-card .vs-item{
    display:flex;justify-content:space-between;align-items:center;
    padding:10px 0;border-bottom:1px solid rgba(246,185,59,.08);
}
.cf-vs-card .vs-item:last-child{border-bottom:none}
.cf-vs-card .vs-label{font-size:.9rem;color:var(--text-muted)}
.cf-vs-card .vs-val{font-weight:800;font-size:.95rem;tabular-nums:1}
.cf-vs-card .vs-val.high{color:var(--neon-cyan)}
.cf-vs-card .vs-val.gold{color:var(--brand-gold)}
.cf-vs-badge{
    width:56px;height:56px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    display:flex;align-items:center;justify-content:center;
    font-weight:900;font-size:1.1rem;color:#fff;
    box-shadow:0 0 28px rgba(246,185,59,.35);
    margin:0 auto;
}
@media(max-width:768px){
    .cf-vs-grid{grid-template-columns:1fr}
    .cf-vs-badge{margin:8px auto}
}

/* 用户评价 */
.cf-reviews-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.cf-review-card{
    background:linear-gradient(160deg,rgba(10,22,34,.85),rgba(12,21,36,.76));
    border:1px solid var(--border-cyan);
    border-radius:var(--radius-card);
    padding:26px 24px;
    transition:all .3s ease;
}
.cf-review-card:hover{
    border-color:var(--neon-cyan);
    box-shadow:var(--glow-cyan);
    transform:translateY(-4px);
}
.cf-review-card .rev-stars{
    color:var(--brand-gold);font-size:.9rem;margin-bottom:12px;
}
.cf-review-card p{
    color:var(--text-muted);font-size:.92rem;margin-bottom:16px;
}
.cf-review-card .rev-author{
    display:flex;align-items:center;gap:12px;
}
.cf-review-card .rev-avatar{
    width:40px;height:40px;border-radius:50%;
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-weight:800;font-size:1rem;
}
.cf-review-card .rev-name{font-weight:700;font-size:.9rem}
.cf-review-card .rev-info{font-size:.78rem;color:var(--text-muted)}
@media(max-width:991px){.cf-reviews-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.cf-reviews-grid{grid-template-columns:1fr}}

/* 品牌介绍 */
.cf-brand-story{
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    position:relative;
}
.cf-brand-story::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(160deg,rgba(5,7,13,.92),rgba(10,22,34,.85),rgba(5,7,13,.93));
    z-index:1;
}
.cf-brand-story .container{position:relative;z-index:2}
.cf-brand-story .story-card{
    background:rgba(10,22,34,.85);
    border:1px solid var(--border-gold);
    border-radius:var(--radius-large);
    padding:40px 36px;
    max-width:860px;
}
.cf-brand-story p{color:var(--text-muted);font-size:1rem;margin-bottom:16px}
.cf-brand-story p:last-child{margin-bottom:0}

/* 合作伙伴标签 */
.cf-partner-tags{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cf-partner-tag{
    background:rgba(12,21,36,.75);
    border:1px solid rgba(246,185,59,.14);
    border-radius:16px;
    padding:20px 18px;
    transition:all .3s ease;
    display:flex;flex-direction:column;align-items:center;text-align:center;
}
.cf-partner-tag:hover{
    border-color:var(--border-gold);
    background:rgba(12,21,36,.9);
    transform:translateY(-3px);
}
.cf-partner-tag .pt-icon{
    width:44px;height:44px;border-radius:12px;
    background:rgba(246,185,59,.12);color:var(--brand-gold);
    display:flex;align-items:center;justify-content:center;
    font-size:1.15rem;margin-bottom:10px;
}
.cf-partner-tag .pt-title{font-weight:700;font-size:.95rem;margin-bottom:6px}
.cf-partner-tag .pt-desc{font-size:.8rem;color:var(--text-muted)}
@media(max-width:768px){.cf-partner-tags{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.cf-partner-tags{grid-template-columns:1fr}}

/* FAQ */
.cf-accordion .accordion-item{
    background:rgba(12,21,36,.75);
    border:1px solid var(--border-cyan);
    border-radius:18px !important;
    margin-bottom:14px;
    overflow:hidden;
}
.cf-accordion .accordion-button{
    background:transparent;
    color:var(--text-warm);
    font-weight:700;
    font-size:1rem;
    padding:18px 22px;
    border:none;box-shadow:none;
    display:flex;align-items:center;gap:14px;
}
.cf-accordion .accordion-button::after{display:none}
.cf-accordion .accordion-button .faq-num{
    width:36px;height:36px;border-radius:50%;
    background:rgba(46,230,214,.12);color:var(--neon-cyan);
    display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:.85rem;flex-shrink:0;
}
.cf-accordion .accordion-button:focus{
    box-shadow:0 0 0 2px rgba(46,230,214,.35);
    border-color:var(--neon-cyan);
}
.cf-accordion .accordion-button:not(.collapsed){
    background:transparent;color:var(--neon-cyan);
    border-bottom:1px solid var(--border-cyan);
}
.cf-accordion .accordion-button:not(.collapsed) .faq-num{
    background:rgba(46,230,214,.2);color:var(--neon-cyan);
}
.cf-accordion .accordion-body{
    color:var(--text-muted);font-size:.95rem;
    padding:16px 22px 20px 72px;
    background:rgba(5,7,13,.35);
}

/* 转化表单 */
.cf-cta-form{
    background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    position:relative;
}
.cf-cta-form::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(150deg,rgba(5,7,13,.94),rgba(10,22,34,.86),rgba(5,7,13,.95));
    z-index:1;
}
.cf-cta-form .container{position:relative;z-index:2}
.cf-cta-form .cta-card{
    background:rgba(10,22,34,.88);
    border:1px solid var(--border-gold);
    border-radius:var(--radius-large);
    padding:40px 36px;
    display:grid;grid-template-columns:1fr 1fr;gap:40px;
}
.cf-cta-form .cta-left h3{font-size:1.7rem;font-weight:900;margin-bottom:16px}
.cf-cta-form .cta-left p{color:var(--text-muted);margin-bottom:20px}
.cf-cta-form .cta-left .cta-badges{
    display:grid;grid-template-columns:repeat(3,1fr);gap:12px;
}
.cf-cta-form .cta-mini{
    background:rgba(46,230,214,.08);
    border:1px solid var(--border-cyan);
    border-radius:12px;padding:14px;text-align:center;
}
.cf-cta-form .cta-mini .m-val{
    font-size:1.3rem;font-weight:900;color:var(--neon-cyan);tabular-nums:1;
}
.cf-cta-form .cta-mini .m-label{font-size:.75rem;color:var(--text-muted)}
.cf-form .form-control{
    background:rgba(5,7,13,.8);
    border:1px solid rgba(246,185,59,.18);
    border-radius:var(--radius-input);
    color:var(--text-warm);
    padding:12px 16px;
    font-size:.95rem;
}
.cf-form .form-control:focus{
    background:rgba(5,7,13,.95);
    border-color:var(--neon-cyan);
    box-shadow:0 0 0 3px rgba(46,230,214,.18);
    color:var(--text-warm);
}
.cf-form .form-label{
    color:var(--text-muted);font-size:.88rem;font-weight:600;
    margin-bottom:6px;
}
.cf-form .btn-submit{
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    color:#fff;font-weight:800;font-size:1.05rem;
    padding:14px 32px;border-radius:var(--radius-btn);
    border:none;width:100%;letter-spacing:1px;
    transition:all .3s ease;
}
.cf-form .btn-submit:hover,.cf-form .btn-submit:focus{
    color:#fff;box-shadow:0 0 32px rgba(232,69,44,.45);
    transform:translateY(-2px);
}
.cf-form .privacy-hint{
    font-size:.78rem;color:var(--text-muted);
    text-align:center;margin-top:12px;
}
@media(max-width:768px){
    .cf-cta-form .cta-card{grid-template-columns:1fr;padding:32px 24px}
    .cf-cta-form .cta-left .cta-badges{grid-template-columns:repeat(3,1fr)}
}

/* 页脚 */
.cf-footer{
    background:var(--bg-deep);
    border-top:1px solid transparent;
    border-image:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan)) 1;
    padding:48px 0 28px;
}
.cf-footer .footer-logo{
    font-size:1.4rem;font-weight:900;
    background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;
    margin-bottom:12px;display:inline-block;
}
.cf-footer .footer-desc{
    font-size:.88rem;color:var(--text-muted);
    max-width:360px;
}
.cf-footer h5{
    font-size:.95rem;font-weight:800;margin-bottom:14px;
    color:var(--text-warm);
}
.cf-footer .footer-link{
    display:block;padding:4px 0;
    color:var(--text-muted);font-size:.88rem;
    transition:all .25s ease;
}
.cf-footer .footer-link:hover,.cf-footer .footer-link:focus{
    color:var(--neon-cyan);padding-left:4px;
}
.cf-footer .footer-bottom{
    margin-top:36px;padding-top:20px;
    border-top:1px solid rgba(246,185,59,.1);
    text-align:center;
    font-size:.8rem;color:var(--text-muted);
}
.cf-footer .footer-bottom a{color:var(--text-muted)}
.cf-footer .footer-bottom a:hover,.cf-footer .footer-bottom a:focus{color:var(--neon-cyan)}

/* roulang page: category2 */
:root{
        --bg-deep:#05070D;
        --bg-mid:#0A1622;
        --bg-high:#0C1524;
        --brand-red:#E8452C;
        --brand-gold:#F6B93B;
        --neon-cyan:#2EE6D6;
        --text-warm:#F5F0E6;
        --text-muted:#94A0B0;
        --border-gold:rgba(246,185,59,.22);
        --border-cyan:rgba(46,230,214,.18);
        --glow-cyan:0 0 28px rgba(46,230,214,.16);
        --glow-gold:0 0 0 1px rgba(246,185,59,.14);
        --radius-card:24px;
        --radius-large:32px;
        --radius-btn:999px;
        --radius-input:16px;
        --font-sys:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
        --spacing-section:96px;
    }
    @media (max-width:768px){
        :root{--spacing-section:56px}
    }
    html{scroll-behavior:smooth}
    body{
        font-family:var(--font-sys);
        background:var(--bg-deep);
        color:var(--text-warm);
        line-height:1.7;
        font-size:1rem;
        overflow-x:hidden;
        -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;height:auto;display:block}
    a{text-decoration:none;color:inherit;transition:all .25s ease}
    button{font-family:inherit}
    .container{max-width:1280px;margin:0 auto;padding:0 24px}
    ::selection{background:rgba(232,69,44,.35);color:var(--text-warm)}
    ::-webkit-scrollbar{width:8px;background:var(--bg-mid)}
    ::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--brand-gold),var(--brand-red));border-radius:4px}

    /* 导航 */
    .cf-nav{
        position:sticky;top:0;z-index:1000;
        background:rgba(5,7,13,.9);
        backdrop-filter:blur(14px);
        -webkit-backdrop-filter:blur(14px);
        border-bottom:2px solid transparent;
        border-image:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan)) 1;
        padding:14px 0;
    }
    .cf-nav .nav-logo{
        font-size:1.5rem;font-weight:900;letter-spacing:1px;
        background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
        -webkit-background-clip:text;background-clip:text;
        -webkit-text-fill-color:transparent;
        white-space:nowrap;
    }
    .cf-nav .nav-link{
        color:var(--text-muted);
        font-weight:500;
        margin:0 6px;
        padding:6px 12px;
        border-radius:var(--radius-btn);
        position:relative;
        font-size:.95rem;
        letter-spacing:.5px;
    }
    .cf-nav .nav-link:hover,
    .cf-nav .nav-link:focus{color:var(--text-warm)}
    .cf-nav .nav-link::after{
        content:"";position:absolute;left:12px;right:12px;bottom:0;
        height:2px;background:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan));
        transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
        border-radius:2px;
    }
    .cf-nav .nav-link:hover::after,
    .cf-nav .nav-link:focus::after{transform:scaleX(1)}
    .cf-nav .nav-link.active{
        color:var(--neon-cyan);
        text-shadow:0 0 12px rgba(46,230,214,.6);
    }
    .cf-nav .nav-link.active::after{
        transform:scaleX(1);
        background:var(--neon-cyan);
        box-shadow:0 0 10px rgba(46,230,214,.5);
    }
    .cf-nav .cta-btn{
        background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
        color:var(--text-warm);
        font-weight:700;
        padding:8px 20px;
        border-radius:var(--radius-btn);
        border:none;
        font-size:.9rem;
        letter-spacing:.5px;
        white-space:nowrap;
    }
    .cf-nav .cta-btn:hover,
    .cf-nav .cta-btn:focus{
        color:#fff;
        box-shadow:0 0 20px rgba(232,69,44,.45);
        transform:translateY(-1px);
    }
    .navbar-toggler{
        border:1px solid var(--border-cyan);
        color:var(--neon-cyan);
        font-size:1.2rem;
        padding:6px 10px;
    }
    .navbar-toggler:focus{box-shadow:none;border-color:var(--neon-cyan)}
    @media (max-width:991px){
        .cf-nav .nav-link{margin:4px 0}
        .cf-nav .navbar-collapse{background:rgba(5,7,13,.95);border-radius:16px;padding:16px;margin-top:10px;border:1px solid var(--border-gold)}
    }

    /* 面包屑 */
    .cf-breadcrumb-area{
        padding:32px 0 12px;
        background:linear-gradient(180deg,rgba(10,22,34,.6),transparent);
    }
    .cf-breadcrumb{
        display:flex;align-items:center;gap:8px;
        font-size:.85rem;color:var(--text-muted);
        flex-wrap:wrap;
    }
    .cf-breadcrumb a{color:var(--text-muted)}
    .cf-breadcrumb a:hover{color:var(--neon-cyan)}
    .cf-breadcrumb .separator{color:var(--brand-gold)}
    .cf-breadcrumb .current{color:var(--text-warm);font-weight:600}

    /* 分类页 Hero */
    .cf-cat-hero{
        position:relative;
        padding:48px 0 56px;
        overflow:hidden;
    }
    .cf-cat-hero::before{
        content:"";position:absolute;inset:0;
        background:radial-gradient(ellipse at 20% 30%,rgba(232,69,44,.12),transparent 55%),
        radial-gradient(ellipse at 80% 70%,rgba(46,230,214,.08),transparent 50%);
        z-index:0;
    }
    .cf-cat-hero .container{position:relative;z-index:1}
    .cf-cat-hero .cat-badge{
        display:inline-block;
        background:rgba(246,185,59,.12);
        border:1px solid var(--border-gold);
        color:var(--brand-gold);
        padding:6px 18px;
        border-radius:var(--radius-btn);
        font-size:.85rem;font-weight:600;
        letter-spacing:1px;
        margin-bottom:16px;
    }
    .cf-cat-hero h1{
        font-size:clamp(2rem,4.5vw,3.4rem);
        font-weight:900;
        line-height:1.2;
        margin-bottom:16px;
        letter-spacing:.5px;
    }
    .cf-cat-hero h1 .grad-text{
        background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
        -webkit-background-clip:text;background-clip:text;
        -webkit-text-fill-color:transparent;
    }
    .cf-cat-hero .cat-desc{
        font-size:1.05rem;color:var(--text-muted);
        max-width:760px;line-height:1.8;
    }

    /* 图鉴主推卡 */
    .cf-showcase{
        padding:24px 0 72px;
        position:relative;
    }
    .cf-showcase::before{
        content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
        width:80%;height:1px;
        background:linear-gradient(90deg,transparent,var(--brand-gold),var(--neon-cyan),transparent);
        opacity:.4;
    }
    .cf-showcase-card{
        background:linear-gradient(145deg,rgba(10,22,34,.92),rgba(12,21,36,.85));
        border:1px solid var(--border-gold);
        border-radius:var(--radius-large);
        overflow:hidden;
        position:relative;
        box-shadow:0 0 48px rgba(232,69,44,.1);
        transition:all .35s ease;
        height:100%;
        display:flex;
        flex-direction:column;
    }
    .cf-showcase-card:hover{
        box-shadow:0 0 56px rgba(246,185,59,.18),0 0 0 1px rgba(246,185,59,.25);
        transform:translateY(-4px);
    }
    .cf-showcase-card .sc-img-wrap{
        position:relative;
        overflow:hidden;
        height:280px;
        flex-shrink:0;
    }
    .cf-showcase-card .sc-img-wrap img{
        width:100%;height:100%;object-fit:cover;
        transition:transform .6s ease;
    }
    .cf-showcase-card:hover .sc-img-wrap img{transform:scale(1.05)}
    .cf-showcase-card .sc-img-wrap::after{
        content:"";position:absolute;inset:0;
        background:linear-gradient(180deg,transparent 40%,rgba(5,7,13,.85));
    }
    .cf-showcase-card .sc-body{
        padding:24px 28px 28px;
        flex-grow:1;
        display:flex;flex-direction:column;
    }
    .cf-showcase-card .sc-rarity{
        display:inline-flex;align-items:center;gap:6px;
        font-size:.75rem;font-weight:700;letter-spacing:1px;
        padding:4px 14px;border-radius:var(--radius-btn);
        margin-bottom:12px;width:fit-content;
    }
    .cf-showcase-card .sc-rarity.legendary{
        background:rgba(246,185,59,.15);color:var(--brand-gold);
        border:1px solid var(--border-gold);
    }
    .cf-showcase-card .sc-rarity.rare{
        background:rgba(232,69,44,.15);color:#ff6b52;
        border:1px solid rgba(232,69,44,.3);
    }
    .cf-showcase-card .sc-rarity.elite{
        background:rgba(46,230,214,.12);color:var(--neon-cyan);
        border:1px solid var(--border-cyan);
    }
    .cf-showcase-card .sc-rarity.advanced{
        background:rgba(148,160,176,.12);color:#c0ccd8;
        border:1px solid rgba(148,160,176,.3);
    }
    .cf-showcase-card h3{
        font-size:1.5rem;font-weight:800;margin-bottom:8px;
    }
    .cf-showcase-card .sc-desc{
        color:var(--text-muted);font-size:.95rem;
        margin-bottom:16px;flex-grow:1;
    }
    .cf-showcase-card .sc-stats-row{
        display:flex;gap:16px;flex-wrap:wrap;
        margin-bottom:16px;
    }
    .cf-showcase-card .sc-stat{
        background:rgba(5,7,13,.6);
        border:1px solid var(--border-cyan);
        border-radius:12px;
        padding:8px 14px;
        text-align:center;
        min-width:80px;
    }
    .cf-showcase-card .sc-stat .stat-label{
        font-size:.72rem;color:var(--text-muted);
        display:block;margin-bottom:2px;
    }
    .cf-showcase-card .sc-stat .stat-value{
        font-size:1.05rem;font-weight:800;color:var(--neon-cyan);
        font-variant-numeric:tabular-nums;
    }
    .cf-showcase-card .sc-stat .stat-value.gold{color:var(--brand-gold)}

    /* 爆率数据条 */
    .cf-rate-bar{
        margin-bottom:10px;
    }
    .cf-rate-bar .rate-header{
        display:flex;justify-content:space-between;align-items:center;
        font-size:.85rem;margin-bottom:6px;
    }
    .cf-rate-bar .rate-header .rate-name{color:var(--text-warm);font-weight:600}
    .cf-rate-bar .rate-header .rate-value{
        font-weight:800;color:var(--neon-cyan);
        font-variant-numeric:tabular-nums;
    }
    .cf-rate-bar .rate-track{
        height:8px;background:rgba(5,7,13,.7);
        border-radius:999px;overflow:hidden;
        border:1px solid var(--border-cyan);
    }
    .cf-rate-bar .rate-fill{
        height:100%;border-radius:999px;
        background:linear-gradient(90deg,var(--brand-red),var(--brand-gold),var(--neon-cyan));
        transition:width 1.2s ease;
        box-shadow:0 0 12px rgba(46,230,214,.3);
    }

    /* 对比弹窗 */
    .cf-compare-modal .modal-content{
        background:linear-gradient(145deg,#0A1622,#0C1524);
        border:1px solid var(--border-gold);
        border-radius:var(--radius-large);
        box-shadow:0 0 60px rgba(0,0,0,.5);
    }
    .cf-compare-modal .modal-header{
        border-bottom:1px solid var(--border-gold);
        padding:20px 24px;
    }
    .cf-compare-modal .modal-title{
        font-weight:800;color:var(--text-warm);
    }
    .cf-compare-modal .modal-body{
        padding:24px;
    }
    .cf-compare-modal .modal-footer{
        border-top:1px solid var(--border-gold);
        padding:16px 24px;
    }
    .cf-compare-table{
        width:100%;
        border-collapse:separate;
        border-spacing:0 8px;
    }
    .cf-compare-table th{
        font-size:.85rem;color:var(--text-muted);
        text-align:left;padding:8px 12px;
        font-weight:600;
    }
    .cf-compare-table td{
        background:rgba(5,7,13,.5);
        padding:12px 16px;
        border-radius:8px;
        font-size:.9rem;
        border:1px solid rgba(246,185,59,.1);
    }
    .cf-compare-table td:first-child{
        font-weight:700;color:var(--brand-gold);
        white-space:nowrap;
    }
    .cf-compare-table .winning{color:var(--neon-cyan);font-weight:700}

    /* 对比按钮 */
    .cf-compare-btn{
        background:transparent;
        border:1px solid var(--border-cyan);
        color:var(--neon-cyan);
        font-size:.85rem;font-weight:600;
        padding:6px 16px;border-radius:var(--radius-btn);
        transition:all .3s ease;
        cursor:pointer;
    }
    .cf-compare-btn:hover,.cf-compare-btn:focus{
        background:rgba(46,230,214,.1);
        border-color:var(--neon-cyan);
        box-shadow:0 0 16px rgba(46,230,214,.2);
        color:var(--neon-cyan);
    }
    .cf-compare-btn.added{
        background:rgba(46,230,214,.15);
        color:var(--neon-cyan);
        border-color:var(--neon-cyan);
    }

    /* 混合布局 - 不对称卡片 */
    .cf-fish-grid{
        display:grid;
        grid-template-columns:repeat(12,1fr);
        gap:24px;
        margin-top:24px;
    }
    .cf-fish-grid .fish-card-large{
        grid-column:span 7;
    }
    .cf-fish-grid .fish-card-medium{
        grid-column:span 5;
    }
    .cf-fish-grid .fish-card-small{
        grid-column:span 4;
    }
    .cf-fish-grid .fish-card-wide{
        grid-column:span 6;
    }
    @media (max-width:991px){
        .cf-fish-grid .fish-card-large,
        .cf-fish-grid .fish-card-medium,
        .cf-fish-grid .fish-card-small,
        .cf-fish-grid .fish-card-wide{
            grid-column:span 12;
        }
    }

    /* 数据速览面板 */
    .cf-data-panel{
        background:linear-gradient(145deg,rgba(10,22,34,.9),rgba(12,21,36,.8));
        border:1px solid var(--border-gold);
        border-radius:var(--radius-large);
        padding:36px 32px;
        position:relative;
        box-shadow:0 0 40px rgba(232,69,44,.08);
    }
    .cf-data-panel .panel-icon{
        width:52px;height:52px;
        border-radius:16px;
        display:flex;align-items:center;justify-content:center;
        font-size:1.4rem;margin-bottom:16px;
        background:rgba(246,185,59,.1);
        color:var(--brand-gold);
        border:1px solid var(--border-gold);
    }
    .cf-data-panel h4{
        font-size:1.1rem;font-weight:800;margin-bottom:12px;
    }

    /* FAQ 自定义 */
    .cf-faq .accordion-item{
        background:rgba(10,22,34,.7);
        border:1px solid var(--border-cyan);
        border-radius:18px !important;
        margin-bottom:14px;
        overflow:hidden;
        transition:all .3s ease;
    }
    .cf-faq .accordion-item:hover{
        border-color:var(--brand-gold);
        box-shadow:0 0 20px rgba(246,185,59,.1);
    }
    .cf-faq .accordion-button{
        background:transparent;
        color:var(--text-warm);
        font-weight:700;
        padding:18px 22px;
        font-size:1rem;
        border-radius:18px !important;
        box-shadow:none !important;
    }
    .cf-faq .accordion-button:not(.collapsed){
        background:rgba(46,230,214,.06);
        color:var(--neon-cyan);
        box-shadow:none;
        border-bottom:1px solid var(--border-cyan);
    }
    .cf-faq .accordion-button:focus{
        box-shadow:none;
        border-color:var(--neon-cyan);
        outline:none;
    }
    .cf-faq .accordion-button::after{
        filter:brightness(0) invert(1);
        opacity:.6;
    }
    .cf-faq .accordion-body{
        color:var(--text-muted);
        padding:18px 22px;
        font-size:.95rem;
        line-height:1.8;
    }
    .cf-faq .faq-number{
        display:inline-flex;align-items:center;justify-content:center;
        width:32px;height:32px;
        background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
        border-radius:10px;
        color:#fff;font-weight:800;font-size:.85rem;
        margin-right:12px;flex-shrink:0;
    }

    /* CTA */
    .cf-cta{
        background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        border-radius:var(--radius-large);
        overflow:hidden;
        position:relative;
        margin:64px 0;
    }
    .cf-cta::before{
        content:"";position:absolute;inset:0;
        background:linear-gradient(135deg,rgba(5,7,13,.92),rgba(10,22,34,.82),rgba(5,7,13,.9));
    }
    .cf-cta .cta-inner{
        position:relative;z-index:1;
        padding:48px 40px;
        display:flex;flex-wrap:wrap;gap:24px;
        align-items:center;justify-content:space-between;
    }
    .cf-cta h2{
        font-size:clamp(1.5rem,3vw,2.2rem);
        font-weight:900;margin-bottom:8px;
    }
    .cf-cta p{color:var(--text-muted);max-width:520px;margin-bottom:0}

    /* 页脚 */
    .cf-footer{
        background:linear-gradient(180deg,#0A1622,#05070D);
        border-top:2px solid transparent;
        border-image:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan)) 1;
        padding:56px 0 24px;
        margin-top:48px;
    }
    .cf-footer .footer-logo{
        font-size:1.6rem;font-weight:900;
        background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
        -webkit-background-clip:text;background-clip:text;
        -webkit-text-fill-color:transparent;
        display:block;margin-bottom:12px;
    }
    .cf-footer .footer-desc{
        color:var(--text-muted);font-size:.9rem;
        max-width:340px;line-height:1.8;
    }
    .cf-footer h5{
        font-size:1rem;font-weight:700;margin-bottom:16px;
        color:var(--text-warm);
    }
    .cf-footer .footer-link{
        display:block;color:var(--text-muted);
        font-size:.9rem;margin-bottom:10px;
        transition:all .25s ease;
    }
    .cf-footer .footer-link:hover{
        color:var(--neon-cyan);
        padding-left:4px;
    }
    .cf-footer .footer-bottom{
        margin-top:40px;padding-top:20px;
        border-top:1px solid rgba(148,160,176,.15);
        display:flex;flex-wrap:wrap;gap:16px;
        justify-content:space-between;align-items:center;
        font-size:.8rem;color:var(--text-muted);
    }
    .cf-footer .footer-bottom a{color:var(--text-muted)}
    .cf-footer .footer-bottom a:hover{color:var(--neon-cyan)}

    /* 按钮与焦点 */
    .cf-btn-primary{
        background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
        color:#fff;font-weight:700;font-size:1rem;
        padding:14px 32px;border-radius:var(--radius-btn);
        border:none;letter-spacing:.5px;
        box-shadow:0 0 24px rgba(232,69,44,.35);
        transition:all .3s ease;
        cursor:pointer;
    }
    .cf-btn-primary:hover,.cf-btn-primary:focus{
        color:#fff;transform:translateY(-2px);
        box-shadow:0 0 36px rgba(246,185,59,.4);
    }
    .cf-btn-outline{
        background:transparent;color:var(--neon-cyan);
        font-weight:600;font-size:1rem;
        padding:14px 28px;border-radius:var(--radius-btn);
        border:1px solid var(--border-cyan);
        letter-spacing:.5px;transition:all .3s ease;
        cursor:pointer;
    }
    .cf-btn-outline:hover,.cf-btn-outline:focus{
        color:var(--neon-cyan);
        background:rgba(46,230,214,.08);
        border-color:var(--neon-cyan);
        box-shadow:0 0 20px rgba(46,230,214,.25);
    }
    .cf-btn-sm{
        padding:10px 22px;font-size:.9rem;
    }
    a:focus-visible,button:focus-visible{
        outline:2px solid var(--neon-cyan);
        outline-offset:2px;
    }

    /* 响应式微调 */
    @media (max-width:768px){
        .cf-showcase-card .sc-img-wrap{height:200px}
        .cf-showcase-card .sc-body{padding:18px 20px}
        .cf-fish-grid{gap:16px}
        .cf-data-panel{padding:24px 20px}
        .cf-cta .cta-inner{padding:32px 24px;flex-direction:column;align-items:flex-start}
        .cf-compare-table{font-size:.8rem}
        .cf-compare-table td{padding:8px 10px}
    }
    @media (max-width:520px){
        .cf-cat-hero h1{font-size:1.7rem}
        .cf-showcase-card .sc-stats-row{gap:8px}
        .cf-showcase-card .sc-stat{min-width:64px;padding:6px 10px}
        .cf-showcase-card .sc-stat .stat-value{font-size:.9rem}
    }

/* roulang page: category1 */
:root {
            --bg-deep: #05070D;
            --bg-mid: #0A1622;
            --bg-high: #0C1524;
            --brand-red: #E8452C;
            --brand-gold: #F6B93B;
            --neon-cyan: #2EE6D6;
            --text-warm: #F5F0E6;
            --text-muted: #94A0B0;
            --border-gold: rgba(246, 185, 59, .22);
            --border-cyan: rgba(46, 230, 214, .18);
            --glow-cyan: 0 0 28px rgba(46, 230, 214, .16);
            --glow-gold: 0 0 0 1px rgba(246, 185, 59, .14);
            --radius-card: 24px;
            --radius-large: 32px;
            --radius-btn: 999px;
            --radius-input: 16px;
            --font-sys: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --spacing-section: 72px;
        }
        @media (min-width: 768px) {
            :root {
                --spacing-section: 96px;
            }
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sys);
            background: var(--bg-deep);
            color: var(--text-warm);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (min-width: 1200px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== 导航 ========== */
        .cf-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 7, 13, .9);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, var(--brand-gold), var(--neon-cyan)) 1;
            padding: 14px 0;
        }
        .cf-nav .nav-logo {
            font-size: 1.5rem;
            font-weight: 900;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }
        .cf-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            margin: 4px 0;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            position: relative;
            font-size: .95rem;
            letter-spacing: .5px;
        }
        .cf-nav .nav-link:hover,
        .cf-nav .nav-link:focus {
            color: var(--text-warm);
        }
        .cf-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-gold), var(--neon-cyan));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
            border-radius: 2px;
        }
        .cf-nav .nav-link:hover::after,
        .cf-nav .nav-link:focus::after {
            transform: scaleX(1);
        }
        .cf-nav .nav-link.active {
            color: var(--neon-cyan);
            text-shadow: 0 0 12px rgba(46, 230, 214, .6);
        }
        .cf-nav .nav-link.active::after {
            transform: scaleX(1);
            background: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(46, 230, 214, .5);
        }
        .cf-nav .cta-btn {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: var(--text-warm);
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: .9rem;
            letter-spacing: .5px;
            white-space: nowrap;
            display: inline-block;
        }
        .cf-nav .cta-btn:hover,
        .cf-nav .cta-btn:focus {
            color: #fff;
            box-shadow: 0 0 20px rgba(232, 69, 44, .45);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-cyan);
            color: var(--neon-cyan);
            font-size: 1.2rem;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--neon-cyan);
        }
        @media (max-width: 991px) {
            .cf-nav .navbar-collapse {
                background: rgba(5, 7, 13, .95);
                border-radius: 16px;
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border-gold);
            }
            .cf-nav .cta-btn {
                margin-top: 10px;
            }
        }
        @media (min-width: 992px) {
            .cf-nav .nav-link {
                margin: 0 6px;
            }
        }

        /* ========== 通用按钮 ========== */
        .cf-btn-primary {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            letter-spacing: .5px;
            box-shadow: 0 0 24px rgba(232, 69, 44, .35);
            transition: all .3s ease;
            display: inline-block;
            text-align: center;
        }
        .cf-btn-primary:hover,
        .cf-btn-primary:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(246, 185, 59, .4);
        }
        .cf-btn-outline {
            background: transparent;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-cyan);
            letter-spacing: .5px;
            transition: all .3s ease;
            display: inline-block;
            text-align: center;
        }
        .cf-btn-outline:hover,
        .cf-btn-outline:focus {
            color: var(--neon-cyan);
            background: rgba(46, 230, 214, .08);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 20px rgba(46, 230, 214, .25);
        }

        /* ========== 面包屑 ========== */
        .cf-breadcrumb {
            padding: 28px 0 0;
            font-size: .9rem;
            color: var(--text-muted);
        }
        .cf-breadcrumb a {
            color: var(--text-muted);
        }
        .cf-breadcrumb a:hover {
            color: var(--neon-cyan);
        }
        .cf-breadcrumb .separator {
            margin: 0 8px;
            color: rgba(246, 185, 59, .5);
        }
        .cf-breadcrumb .current {
            color: var(--brand-gold);
            font-weight: 600;
        }

        /* ========== 分类页 Hero ========== */
        .cf-cat-hero {
            position: relative;
            padding: 56px 0 64px;
            overflow: hidden;
        }
        .cf-cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(232, 69, 44, .14), transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(46, 230, 214, .10), transparent 50%);
            z-index: 0;
            pointer-events: none;
        }
        .cf-cat-hero .container {
            position: relative;
            z-index: 1;
        }
        .cf-cat-hero h1 {
            font-size: clamp(2rem, 4.8vw, 3.6rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .cf-cat-hero h1 .grad-text {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .cf-cat-hero .hero-lead {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 32px;
            letter-spacing: .3px;
        }
        .cf-cat-hero .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .cf-cat-hero .hero-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            max-width: 640px;
        }
        @media (min-width: 768px) {
            .cf-cat-hero .hero-stats {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .cf-stat-badge {
            background: rgba(10, 22, 34, .85);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            text-align: center;
            box-shadow: 0 0 18px rgba(46, 230, 214, .08);
        }
        .cf-stat-badge .stat-label {
            display: block;
            font-size: .8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            letter-spacing: 1px;
        }
        .cf-stat-badge .stat-value {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--neon-cyan);
            tabular-nums: numeric;
            text-shadow: 0 0 14px rgba(46, 230, 214, .35);
        }
        .cf-stat-badge .stat-unit {
            font-size: .85rem;
            color: var(--text-muted);
            margin-left: 2px;
        }

        /* ========== 通用板块 ========== */
        .cf-section {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .cf-section+.cf-section {
            padding-top: 0;
        }
        .cf-section-head {
            margin-bottom: 40px;
        }
        .cf-section-head .section-tag {
            display: inline-block;
            background: rgba(246, 185, 59, .1);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 4px 16px;
            border-radius: var(--radius-btn);
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .cf-section-head h2 {
            font-size: clamp(1.5rem, 3.2vw, 2.4rem);
            font-weight: 900;
            letter-spacing: .5px;
            margin-bottom: 12px;
        }
        .cf-section-head .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 720px;
        }

        /* ========== 步骤时间线 ========== */
        .cf-timeline {
            position: relative;
            padding-left: 32px;
        }
        .cf-timeline::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--brand-gold), var(--neon-cyan));
            border-radius: 2px;
            opacity: .5;
        }
        .cf-timeline-item {
            position: relative;
            padding-bottom: 36px;
            padding-left: 20px;
        }
        .cf-timeline-item:last-child {
            padding-bottom: 0;
        }
        .cf-timeline-item::before {
            content: "";
            position: absolute;
            left: -26px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--bg-deep);
            border: 2px solid var(--brand-gold);
            box-shadow: 0 0 12px rgba(246, 185, 59, .5);
        }
        .cf-timeline-item .step-number {
            font-size: .85rem;
            font-weight: 700;
            color: var(--neon-cyan);
            letter-spacing: 1px;
            margin-bottom: 4px;
        }
        .cf-timeline-item h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .cf-timeline-item p {
            color: var(--text-muted);
            font-size: .95rem;
            max-width: 600px;
            margin-bottom: 0;
        }
        .cf-timeline-item .step-meta {
            display: inline-block;
            margin-top: 8px;
            font-size: .85rem;
            color: var(--brand-gold);
            background: rgba(246, 185, 59, .08);
            border: 1px solid var(--border-gold);
            padding: 2px 12px;
            border-radius: var(--radius-btn);
        }

        /* ========== 技巧卡（不对称网格） ========== */
        .cf-skill-card {
            background: linear-gradient(145deg, rgba(10, 22, 34, .92), rgba(12, 21, 36, .85));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all .3s ease;
            height: 100%;
            box-shadow: 0 0 24px rgba(232, 69, 44, .08);
        }
        .cf-skill-card:hover {
            transform: translateY(-4px);
            border-color: rgba(246, 185, 59, .4);
            box-shadow: 0 0 32px rgba(246, 185, 59, .15), 0 0 0 1px rgba(46, 230, 214, .1);
        }
        .cf-skill-card .skill-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .cf-skill-card .skill-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .cf-skill-card:hover .skill-img-wrap img {
            transform: scale(1.04);
        }
        .cf-skill-card .skill-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(5, 7, 13, .7));
        }
        .cf-skill-card .skill-body {
            padding: 24px 22px;
        }
        .cf-skill-card .skill-tag {
            display: inline-block;
            background: rgba(46, 230, 214, .1);
            border: 1px solid var(--border-cyan);
            color: var(--neon-cyan);
            font-size: .75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: var(--radius-btn);
            letter-spacing: .5px;
            margin-bottom: 10px;
        }
        .cf-skill-card h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-warm);
        }
        .cf-skill-card p {
            color: var(--text-muted);
            font-size: .92rem;
            margin-bottom: 14px;
        }
        .cf-skill-card .skill-stat {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: .85rem;
            color: var(--brand-gold);
            font-weight: 600;
        }
        .cf-skill-card .skill-stat i {
            color: var(--neon-cyan);
        }
        .cf-skill-card-large {
            height: 100%;
        }
        .cf-skill-card-large .skill-img-wrap {
            aspect-ratio: 16/7;
        }
        @media (max-width: 991px) {
            .cf-skill-card .skill-img-wrap {
                aspect-ratio: 16/8;
            }
            .cf-skill-card-large .skill-img-wrap {
                aspect-ratio: 16/8;
            }
        }

        /* ========== 倍率数据条 ========== */
        .cf-rate-panel {
            background: linear-gradient(145deg, rgba(10, 22, 34, .92), rgba(12, 21, 36, .85));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-large);
            padding: 32px 28px;
            box-shadow: 0 0 32px rgba(232, 69, 44, .08);
            height: 100%;
        }
        .cf-rate-panel h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .cf-rate-item {
            margin-bottom: 18px;
        }
        .cf-rate-item:last-child {
            margin-bottom: 0;
        }
        .cf-rate-item .rate-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .92rem;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .cf-rate-item .rate-label .rate-name {
            color: var(--text-warm);
        }
        .cf-rate-item .rate-label .rate-value {
            color: var(--brand-gold);
            font-weight: 800;
            tabular-nums: numeric;
        }
        .cf-rate-item .rate-bar {
            height: 8px;
            background: rgba(255, 255, 255, .06);
            border-radius: 4px;
            overflow: hidden;
        }
        .cf-rate-item .rate-bar .rate-fill {
            height: 100%;
            border-radius: 4px;
            transition: width .6s ease;
        }
        .cf-rate-item .rate-bar .rate-fill.gold {
            background: linear-gradient(90deg, var(--brand-red), var(--brand-gold));
        }
        .cf-rate-item .rate-bar .rate-fill.cyan {
            background: linear-gradient(90deg, #0A8F8A, var(--neon-cyan));
        }
        .cf-rate-item .rate-bar .rate-fill.red {
            background: linear-gradient(90deg, #7A1F1A, var(--brand-red));
        }
        .cf-rate-note {
            margin-top: 20px;
            padding: 14px 16px;
            background: rgba(46, 230, 214, .06);
            border-left: 3px solid var(--neon-cyan);
            border-radius: 0 12px 12px 0;
            font-size: .88rem;
            color: var(--text-muted);
        }

        /* ========== 适用场景 ========== */
        .cf-scene-card {
            background: rgba(10, 22, 34, .8);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            height: 100%;
            transition: all .3s ease;
        }
        .cf-scene-card:hover {
            border-color: rgba(46, 230, 214, .45);
            box-shadow: 0 0 26px rgba(46, 230, 214, .12);
            transform: translateY(-3px);
        }
        .cf-scene-card .scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 14px;
            background: rgba(46, 230, 214, .1);
            color: var(--neon-cyan);
            border: 1px solid var(--border-cyan);
        }
        .cf-scene-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cf-scene-card p {
            color: var(--text-muted);
            font-size: .9rem;
            margin-bottom: 0;
        }
        .cf-scene-card .scene-tag {
            display: inline-block;
            margin-top: 12px;
            font-size: .78rem;
            color: var(--brand-gold);
            background: rgba(246, 185, 59, .08);
            border: 1px solid var(--border-gold);
            padding: 2px 10px;
            border-radius: var(--radius-btn);
        }

        /* ========== FAQ 手风琴 ========== */
        .cf-accordion .accordion-item {
            background: rgba(10, 22, 34, .85);
            border: 1px solid var(--border-gold);
            border-radius: 18px !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .cf-accordion .accordion-item:hover {
            border-color: rgba(246, 185, 59, .35);
        }
        .cf-accordion .accordion-button {
            background: transparent;
            color: var(--text-warm);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all .3s ease;
        }
        .cf-accordion .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--neon-cyan);
            font-size: .9rem;
            transition: transform .3s ease;
        }
        .cf-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--brand-gold);
        }
        .cf-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .cf-accordion .accordion-button:not(.collapsed) {
            background: rgba(46, 230, 214, .06);
            color: var(--neon-cyan);
            border-bottom: 1px solid var(--border-cyan);
        }
        .cf-accordion .accordion-body {
            color: var(--text-muted);
            font-size: .92rem;
            padding: 18px 22px;
            line-height: 1.75;
        }
        .cf-accordion .faq-index {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(46, 230, 214, .12);
            color: var(--neon-cyan);
            font-size: .8rem;
            font-weight: 700;
            margin-right: 12px;
            flex-shrink: 0;
        }

        /* ========== CTA 表单 ========== */
        .cf-cta-panel {
            background: linear-gradient(145deg, rgba(10, 22, 34, .95), rgba(12, 21, 36, .88));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-large);
            padding: 40px 36px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 40px rgba(232, 69, 44, .1);
        }
        .cf-cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 15% 15%, rgba(232, 69, 44, .12), transparent 45%),
                radial-gradient(ellipse at 85% 80%, rgba(46, 230, 214, .08), transparent 40%);
            pointer-events: none;
        }
        .cf-cta-panel .cta-content {
            position: relative;
            z-index: 1;
        }
        .cf-cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 14px;
        }
        .cf-cta-panel .cta-desc {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 480px;
        }
        .cf-cta-panel .cta-metrics {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .cf-cta-panel .cta-metric-item {
            font-size: .88rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .cf-cta-panel .cta-metric-item i {
            color: var(--neon-cyan);
        }
        .cf-form .form-control {
            background: rgba(5, 7, 13, .8);
            border: 1px solid rgba(148, 160, 176, .2);
            border-radius: var(--radius-input);
            color: var(--text-warm);
            padding: 12px 16px;
            font-size: .95rem;
            transition: all .3s ease;
        }
        .cf-form .form-control::placeholder {
            color: rgba(148, 160, 176, .5);
        }
        .cf-form .form-control:focus {
            background: rgba(5, 7, 13, .95);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 18px rgba(46, 230, 214, .22);
            color: var(--text-warm);
        }
        .cf-form .form-label {
            color: var(--text-muted);
            font-size: .88rem;
            font-weight: 500;
            margin-bottom: 6px;
        }
        .cf-form .form-select {
            background: rgba(5, 7, 13, .8);
            border: 1px solid rgba(148, 160, 176, .2);
            border-radius: var(--radius-input);
            color: var(--text-warm);
            padding: 12px 16px;
            font-size: .95rem;
            transition: all .3s ease;
        }
        .cf-form .form-select:focus {
            background: rgba(5, 7, 13, .95);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 18px rgba(46, 230, 214, .22);
            color: var(--text-warm);
        }
        .cf-form .form-select option {
            background: #0A1622;
            color: var(--text-warm);
        }
        .cf-form .privacy-note {
            font-size: .78rem;
            color: rgba(148, 160, 176, .6);
            margin-top: 12px;
            text-align: center;
        }
        .cf-form .btn-submit {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            width: 100%;
            letter-spacing: .5px;
            box-shadow: 0 0 24px rgba(232, 69, 44, .35);
            transition: all .3s ease;
        }
        .cf-form .btn-submit:hover,
        .cf-form .btn-submit:focus {
            box-shadow: 0 0 36px rgba(246, 185, 59, .4);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .cf-footer {
            background: rgba(5, 7, 13, .95);
            border-top: 1px solid transparent;
            border-image: linear-gradient(90deg, var(--brand-gold), var(--neon-cyan)) 1;
            padding: 48px 0 24px;
            margin-top: var(--spacing-section);
        }
        .cf-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 900;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 12px;
        }
        .cf-footer .footer-desc {
            color: var(--text-muted);
            font-size: .9rem;
            max-width: 320px;
            line-height: 1.7;
        }
        .cf-footer h5 {
            color: var(--text-warm);
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        .cf-footer .footer-link {
            display: block;
            color: var(--text-muted);
            font-size: .88rem;
            padding: 4px 0;
            transition: all .25s ease;
        }
        .cf-footer .footer-link:hover {
            color: var(--neon-cyan);
            transform: translateX(4px);
        }
        .cf-footer .footer-bottom {
            border-top: 1px solid rgba(148, 160, 176, .12);
            margin-top: 32px;
            padding-top: 20px;
            font-size: .8rem;
            color: rgba(148, 160, 176, .5);
            text-align: center;
        }
        .cf-footer .footer-bottom p {
            margin-bottom: 4px;
        }
        .cf-footer .footer-bottom a {
            color: rgba(148, 160, 176, .5);
        }
        .cf-footer .footer-bottom a:hover {
            color: var(--neon-cyan);
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 767px) {
            .cf-cat-hero {
                padding: 36px 0 48px;
            }
            .cf-cat-hero .hero-cta .cf-btn-primary,
            .cf-cat-hero .hero-cta .cf-btn-outline {
                width: 100%;
                text-align: center;
            }
            .cf-cta-panel {
                padding: 28px 20px;
            }
            .cf-timeline {
                padding-left: 24px;
            }
            .cf-timeline::before {
                left: 6px;
            }
            .cf-timeline-item::before {
                left: -22px;
                width: 12px;
                height: 12px;
            }
            .cf-accordion .accordion-button {
                font-size: .92rem;
                padding: 14px 16px;
            }
            .cf-accordion .accordion-body {
                font-size: .86rem;
                padding: 14px 16px;
            }
            .cf-section-head h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .cf-cat-hero .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .cf-stat-badge .stat-value {
                font-size: 1.3rem;
            }
            .cf-rate-panel {
                padding: 22px 18px;
            }
            .cf-skill-card .skill-body {
                padding: 18px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #05070D;
            --bg-mid: #0A1622;
            --bg-high: #0C1524;
            --brand-red: #E8452C;
            --brand-gold: #F6B93B;
            --neon-cyan: #2EE6D6;
            --text-warm: #F5F0E6;
            --text-muted: #94A0B0;
            --border-gold: rgba(246, 185, 59, .22);
            --border-cyan: rgba(46, 230, 214, .18);
            --glow-cyan: 0 0 28px rgba(46, 230, 214, .16);
            --glow-gold: 0 0 0 1px rgba(246, 185, 59, .14);
            --radius-card: 24px;
            --radius-large: 32px;
            --radius-btn: 999px;
            --radius-input: 16px;
            --font-sys: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --spacing-section: 88px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sys);
            background: var(--bg-deep);
            color: var(--text-warm);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }

        button {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .cf-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 7, 13, .9);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, var(--brand-gold), var(--neon-cyan)) 1;
            padding: 14px 0;
        }

        .cf-nav .nav-logo {
            font-size: 1.5rem;
            font-weight: 900;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }

        .cf-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            margin: 0 6px;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            position: relative;
            font-size: .95rem;
            letter-spacing: .5px;
        }

        .cf-nav .nav-link:hover,
        .cf-nav .nav-link:focus {
            color: var(--text-warm);
        }

        .cf-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-gold), var(--neon-cyan));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
            border-radius: 2px;
        }

        .cf-nav .nav-link:hover::after,
        .cf-nav .nav-link:focus::after {
            transform: scaleX(1);
        }

        .cf-nav .nav-link.active {
            color: var(--neon-cyan);
            text-shadow: 0 0 12px rgba(46, 230, 214, .6);
        }

        .cf-nav .nav-link.active::after {
            transform: scaleX(1);
            background: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(46, 230, 214, .5);
        }

        .cf-nav .cta-btn {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: var(--text-warm);
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: .9rem;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .cf-nav .cta-btn:hover,
        .cf-nav .cta-btn:focus {
            color: #fff;
            box-shadow: 0 0 20px rgba(232, 69, 44, .45);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid var(--border-cyan);
            color: var(--neon-cyan);
            font-size: 1.2rem;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--neon-cyan);
        }

        /* 按钮系统 */
        .cf-btn-primary {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            letter-spacing: .5px;
            box-shadow: 0 0 24px rgba(232, 69, 44, .35);
            transition: all .3s ease;
            display: inline-block;
        }

        .cf-btn-primary:hover,
        .cf-btn-primary:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(246, 185, 59, .4);
        }

        .cf-btn-outline {
            background: transparent;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-cyan);
            letter-spacing: .5px;
            transition: all .3s ease;
            display: inline-block;
        }

        .cf-btn-outline:hover,
        .cf-btn-outline:focus {
            color: var(--neon-cyan);
            background: rgba(46, 230, 214, .08);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 20px rgba(46, 230, 214, .25);
        }

        /* Hero - 奖励活动主题 */
        .cf-hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 72px 0 56px;
            overflow: hidden;
        }

        .cf-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 25% 35%, rgba(232, 69, 44, .22), transparent 55%),
                radial-gradient(ellipse at 75% 55%, rgba(46, 230, 214, .14), transparent 50%),
                linear-gradient(135deg, rgba(5, 7, 13, .92), rgba(10, 22, 34, .8), rgba(5, 7, 13, .94));
            z-index: 1;
        }

        .cf-hero .container {
            position: relative;
            z-index: 2;
        }

        .cf-hero .hero-badge {
            display: inline-block;
            background: rgba(246, 185, 59, .12);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 6px 18px;
            border-radius: var(--radius-btn);
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .cf-hero h1 {
            font-size: clamp(2rem, 4.8vw, 3.8rem);
            font-weight: 900;
            line-height: 1.18;
            margin-bottom: 20px;
            letter-spacing: .5px;
            text-shadow: 0 4px 24px rgba(232, 69, 44, .3);
        }

        .cf-hero h1 .grad-text {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cf-hero .hero-lead {
            font-size: 1.08rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 28px;
            letter-spacing: .3px;
        }

        .cf-hero .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .cf-hero .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            max-width: 640px;
            margin-top: 28px;
        }

        .cf-hero .stat-chip {
            background: rgba(10, 22, 34, .8);
            border: 1px solid var(--border-cyan);
            border-radius: 16px;
            padding: 12px 16px;
            text-align: center;
        }

        .cf-hero .stat-chip .stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--neon-cyan);
            display: block;
            font-variant-numeric: tabular-nums;
        }

        .cf-hero .stat-chip .stat-label {
            font-size: .78rem;
            color: var(--text-muted);
            letter-spacing: .5px;
        }

        /* 板块通用 */
        .cf-section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .cf-section-title {
            font-size: clamp(1.7rem, 3.6vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .cf-section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 40px;
            letter-spacing: .3px;
        }

        .text-gold-grad {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .text-cyan {
            color: var(--neon-cyan);
        }

        /* 活动日历 */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
            background: rgba(10, 22, 34, .6);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 20px;
        }

        .calendar-day {
            background: rgba(12, 21, 36, .85);
            border: 1px solid var(--border-cyan);
            border-radius: 12px;
            padding: 10px 8px;
            text-align: center;
            min-height: 110px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            transition: all .25s ease;
        }

        .calendar-day:hover {
            border-color: var(--brand-gold);
            box-shadow: 0 0 18px rgba(246, 185, 59, .2);
            transform: translateY(-2px);
        }

        .calendar-day .day-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-warm);
            font-variant-numeric: tabular-nums;
        }

        .calendar-day .day-label {
            font-size: .72rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .calendar-day .event-tag {
            display: inline-block;
            margin-top: 6px;
            font-size: .68rem;
            padding: 2px 8px;
            border-radius: 8px;
            font-weight: 600;
            letter-spacing: .3px;
        }

        .event-tag.hot {
            background: rgba(232, 69, 44, .18);
            color: var(--brand-red);
            border: 1px solid rgba(232, 69, 44, .3);
        }

        .event-tag.gold {
            background: rgba(246, 185, 59, .15);
            color: var(--brand-gold);
            border: 1px solid var(--border-gold);
        }

        .event-tag.cyan {
            background: rgba(46, 230, 214, .12);
            color: var(--neon-cyan);
            border: 1px solid var(--border-cyan);
        }

        /* 奖励卡 */
        .reward-card {
            background: linear-gradient(145deg, rgba(10, 22, 34, .92), rgba(12, 21, 36, .85));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: all .3s ease;
        }

        .reward-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-red), var(--brand-gold), var(--neon-cyan));
            opacity: 0;
            transition: opacity .3s ease;
        }

        .reward-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 0 32px rgba(232, 69, 44, .18);
            border-color: rgba(246, 185, 59, .4);
        }

        .reward-card:hover::before {
            opacity: 1;
        }

        .reward-card .reward-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: rgba(46, 230, 214, .1);
            border: 1px solid var(--border-cyan);
            color: var(--neon-cyan);
        }

        .reward-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-warm);
        }

        .reward-card p {
            font-size: .95rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .reward-card .reward-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .reward-card .reward-meta span {
            font-size: .75rem;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(246, 185, 59, .08);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            font-weight: 500;
        }

        /* 倒计时 */
        .countdown-bar {
            background: linear-gradient(135deg, rgba(232, 69, 44, .12), rgba(246, 185, 59, .08));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
        }

        .countdown-bar .cd-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .countdown-bar .cd-info .cd-title {
            font-weight: 700;
            font-size: 1.05rem;
        }

        .countdown-bar .cd-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-bar .cd-unit {
            background: rgba(5, 7, 13, .8);
            border: 1px solid var(--border-cyan);
            border-radius: 10px;
            padding: 8px 12px;
            text-align: center;
            min-width: 56px;
        }

        .countdown-bar .cd-unit .cd-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--neon-cyan);
            display: block;
            font-variant-numeric: tabular-nums;
        }

        .countdown-bar .cd-unit .cd-label {
            font-size: .7rem;
            color: var(--text-muted);
        }

        /* 任务清单 */
        .task-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(10, 22, 34, .7);
            border: 1px solid var(--border-cyan);
            border-radius: 16px;
            padding: 16px 18px;
            margin-bottom: 10px;
            transition: all .25s ease;
        }

        .task-item:hover {
            border-color: var(--brand-gold);
            box-shadow: 0 0 16px rgba(246, 185, 59, .15);
        }

        .task-item .task-check {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid var(--border-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--neon-cyan);
            font-size: .8rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .task-item .task-body {
            flex: 1;
        }

        .task-item .task-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-warm);
            margin-bottom: 4px;
        }

        .task-item .task-desc {
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .task-item .task-reward {
            font-size: .8rem;
            color: var(--brand-gold);
            font-weight: 600;
        }

        /* 流程步骤 */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
        }

        .step-card {
            background: rgba(10, 22, 34, .75);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            position: relative;
            transition: all .3s ease;
        }

        .step-card:hover {
            border-color: var(--brand-gold);
            transform: translateY(-3px);
            box-shadow: 0 0 22px rgba(246, 185, 59, .18);
        }

        .step-card .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            margin: 0 auto 12px;
        }

        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* FAQ */
        .cf-accordion .accordion-item {
            background: rgba(10, 22, 34, .75);
            border: 1px solid var(--border-cyan);
            border-radius: 18px !important;
            margin-bottom: 10px;
            overflow: hidden;
        }

        .cf-accordion .accordion-button {
            background: transparent;
            color: var(--text-warm);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            border-radius: 18px !important;
            transition: all .3s ease;
        }

        .cf-accordion .accordion-button:not(.collapsed) {
            background: rgba(246, 185, 59, .08);
            color: var(--brand-gold);
            box-shadow: none;
            border-bottom: 1px solid var(--border-gold);
        }

        .cf-accordion .accordion-button:focus {
            box-shadow: 0 0 16px rgba(46, 230, 214, .2);
            border-color: var(--neon-cyan);
        }

        .cf-accordion .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        .cf-accordion .accordion-body {
            background: rgba(5, 7, 13, .6);
            color: var(--text-muted);
            font-size: .95rem;
            padding: 18px 22px;
        }

        /* CTA 大卡 */
        .cf-cta-card {
            background: linear-gradient(135deg, rgba(232, 69, 44, .15), rgba(10, 22, 34, .9));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-large);
            padding: 42px 36px;
            position: relative;
            overflow: hidden;
        }

        .cf-cta-card::before {
            content: "";
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(246, 185, 59, .15), transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }

        .cf-cta-card .row {
            position: relative;
            z-index: 1;
        }

        .cf-cta-card h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cf-cta-card p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
        }

        /* 表单 */
        .cf-form-group {
            margin-bottom: 16px;
        }

        .cf-form-group label {
            font-size: .88rem;
            font-weight: 600;
            color: var(--text-warm);
            margin-bottom: 6px;
            display: block;
        }

        .cf-form-group input,
        .cf-form-group select {
            width: 100%;
            background: rgba(5, 7, 13, .8);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            color: var(--text-warm);
            font-size: .95rem;
            transition: all .25s ease;
            outline: none;
        }

        .cf-form-group input:focus,
        .cf-form-group select:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 18px rgba(46, 230, 214, .25);
            background: rgba(5, 7, 13, .95);
        }

        .cf-form-group input::placeholder {
            color: rgba(148, 160, 176, .6);
        }

        .cf-form-group .form-hint {
            font-size: .78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 页脚 */
        .cf-footer {
            background: rgba(5, 7, 13, .95);
            border-top: 1px solid var(--border-gold);
            padding: 56px 0 24px;
            margin-top: 40px;
        }

        .cf-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 900;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 12px;
        }

        .cf-footer .footer-desc {
            color: var(--text-muted);
            font-size: .9rem;
            max-width: 320px;
            line-height: 1.6;
        }

        .cf-footer h5 {
            font-size: .95rem;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .cf-footer .footer-link {
            display: block;
            color: var(--text-muted);
            font-size: .88rem;
            margin-bottom: 8px;
            transition: all .25s ease;
        }

        .cf-footer .footer-link:hover {
            color: var(--neon-cyan);
            padding-left: 4px;
        }

        .cf-footer .footer-bottom {
            border-top: 1px solid var(--border-gold);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: .8rem;
            color: var(--text-muted);
        }

        .cf-footer .footer-bottom a {
            color: var(--text-muted);
            transition: all .25s ease;
        }

        .cf-footer .footer-bottom a:hover {
            color: var(--neon-cyan);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 68px;
            }
            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 6px;
                padding: 14px;
            }
            .step-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .cf-hero .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
            .cf-nav .nav-link {
                margin: 4px 0;
            }
            .cf-nav .navbar-collapse {
                background: rgba(5, 7, 13, .95);
                border-radius: 16px;
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border-gold);
            }
            .cf-hero {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .calendar-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 4px;
                padding: 10px;
            }
            .calendar-day {
                min-height: 88px;
                padding: 8px 4px;
            }
            .calendar-day .day-num {
                font-size: 1.1rem;
            }
            .calendar-day .event-tag {
                font-size: .6rem;
                padding: 2px 6px;
            }
            .step-flow {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px 20px;
            }
            .cf-cta-card {
                padding: 28px 20px;
                border-radius: 24px;
            }
            .cf-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 4px;
            }
            .calendar-day {
                min-height: 72px;
            }
            .cf-hero .hero-cta {
                flex-direction: column;
                gap: 10px;
            }
            .cf-hero .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .cf-hero .stat-chip {
                padding: 8px 10px;
            }
            .cf-hero .stat-chip .stat-num {
                font-size: 1.2rem;
            }
            .cf-btn-primary,
            .cf-btn-outline {
                width: 100%;
                text-align: center;
                padding: 12px 20px;
                font-size: .95rem;
            }
            .cf-section-title {
                font-size: 1.5rem;
            }
        }

        /* 图片卡 */
        .reward-img-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            transition: all .3s ease;
            height: 100%;
            background: rgba(10, 22, 34, .7);
        }

        .reward-img-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 0 28px rgba(246, 185, 59, .2);
        }

        .reward-img-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }

        .reward-img-card .ric-body {
            padding: 18px 20px;
        }

        .reward-img-card .ric-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .reward-img-card .ric-body p {
            font-size: .88rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .reward-img-card .ric-body .ric-tag {
            font-size: .75rem;
            color: var(--brand-gold);
            font-weight: 600;
        }

        /* 面包屑 */
        .cf-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .cf-breadcrumb a {
            color: var(--neon-cyan);
            transition: all .25s ease;
        }

        .cf-breadcrumb a:hover {
            color: var(--text-warm);
        }

        .cf-breadcrumb .sep {
            color: rgba(148, 160, 176, .5);
        }

        .cf-breadcrumb .current {
            color: var(--text-warm);
            font-weight: 500;
        }

/* roulang page: category4 */
:root{
 --bg-deep:#05070D;
 --bg-mid:#0A1622;
 --bg-high:#0C1524;
 --brand-red:#E8452C;
 --brand-gold:#F6B93B;
 --neon-cyan:#2EE6D6;
 --text-warm:#F5F0E6;
 --text-muted:#94A0B0;
 --border-gold:rgba(246,185,59,.22);
 --border-cyan:rgba(46,230,214,.18);
 --glow-cyan:0 0 28px rgba(46,230,214,.16);
 --glow-gold:0 0 0 1px rgba(246,185,59,.14);
 --radius-card:24px;
 --radius-large:32px;
 --radius-btn:999px;
 --radius-input:16px;
 --font-sys:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
 --spacing-section:96px;
}
html{scroll-behavior:smooth}
body{
 font-family:var(--font-sys);
 background:var(--bg-deep);
 color:var(--text-warm);
 line-height:1.7;
 font-size:1rem;
 overflow-x:hidden;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:all .25s ease}
button{font-family:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
/* 导航 */
.cf-nav{
 position:sticky;top:0;z-index:1000;
 background:rgba(5,7,13,.9);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 border-bottom:2px solid transparent;
 border-image:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan)) 1;
 padding:14px 0;
}
.cf-nav .nav-logo{
 font-size:1.5rem;font-weight:900;letter-spacing:1px;
 background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
 -webkit-background-clip:text;background-clip:text;
 -webkit-text-fill-color:transparent;
 white-space:nowrap;
}
.cf-nav .nav-link{
 color:var(--text-muted);
 font-weight:500;
 margin:0 6px;
 padding:6px 12px;
 border-radius:var(--radius-btn);
 position:relative;
 font-size:.95rem;
 letter-spacing:.5px;
}
.cf-nav .nav-link:hover,
.cf-nav .nav-link:focus{color:var(--text-warm)}
.cf-nav .nav-link::after{
 content:"";position:absolute;left:12px;right:12px;bottom:0;
 height:2px;background:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan));
 transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
 border-radius:2px;
}
.cf-nav .nav-link:hover::after,
.cf-nav .nav-link:focus::after{transform:scaleX(1)}
.cf-nav .nav-link.active{
 color:var(--neon-cyan);
 text-shadow:0 0 12px rgba(46,230,214,.6);
}
.cf-nav .nav-link.active::after{
 transform:scaleX(1);
 background:var(--neon-cyan);
 box-shadow:0 0 10px rgba(46,230,214,.5);
}
.cf-nav .cta-btn{
 background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
 color:var(--text-warm);
 font-weight:700;
 padding:8px 20px;
 border-radius:var(--radius-btn);
 border:none;
 font-size:.9rem;
 letter-spacing:.5px;
 white-space:nowrap;
}
.cf-nav .cta-btn:hover,
.cf-nav .cta-btn:focus{
 color:#fff;
 box-shadow:0 0 20px rgba(232,69,44,.45);
 transform:translateY(-1px);
}
.navbar-toggler{
 border:1px solid var(--border-cyan);
 color:var(--neon-cyan);
 font-size:1.2rem;
 padding:6px 10px;
}
.navbar-toggler:focus{box-shadow:none;border-color:var(--neon-cyan)}
/* 通用按钮 */
.cf-btn-primary{
 background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
 color:#fff;font-weight:700;font-size:1rem;
 padding:14px 32px;border-radius:var(--radius-btn);
 border:none;letter-spacing:.5px;
 box-shadow:0 0 24px rgba(232,69,44,.35);
 transition:all .3s ease;
 display:inline-block;text-align:center;
}
.cf-btn-primary:hover,.cf-btn-primary:focus{
 color:#fff;transform:translateY(-2px);
 box-shadow:0 0 36px rgba(246,185,59,.4);
}
.cf-btn-outline{
 background:transparent;color:var(--neon-cyan);
 font-weight:600;font-size:1rem;
 padding:14px 28px;border-radius:var(--radius-btn);
 border:1px solid var(--border-cyan);
 letter-spacing:.5px;transition:all .3s ease;
 display:inline-block;text-align:center;
}
.cf-btn-outline:hover,.cf-btn-outline:focus{
 color:var(--neon-cyan);
 background:rgba(46,230,214,.08);
 border-color:var(--neon-cyan);
 box-shadow:0 0 20px rgba(46,230,214,.25);
}
/* Hero 裂变邀请 */
.cf-dl-hero{
 position:relative;
 min-height:720px;
 display:flex;align-items:center;
 background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
 padding:80px 0 100px;
 overflow:hidden;
}
.cf-dl-hero::before{
 content:"";position:absolute;inset:0;
 background:radial-gradient(ellipse at 25% 35%,rgba(232,69,44,.22),transparent 55%),
 radial-gradient(ellipse at 75% 60%,rgba(46,230,214,.14),transparent 50%),
 linear-gradient(135deg,rgba(5,7,13,.92),rgba(10,22,34,.78),rgba(5,7,13,.94));
 z-index:1;
}
.cf-dl-hero .container{position:relative;z-index:2}
.cf-dl-hero .hero-badge{
 display:inline-block;
 background:rgba(246,185,59,.12);
 border:1px solid var(--border-gold);
 color:var(--brand-gold);
 padding:6px 18px;
 border-radius:var(--radius-btn);
 font-size:.85rem;
 font-weight:600;
 letter-spacing:1px;
 margin-bottom:20px;
}
.cf-dl-hero h1{
 font-size:clamp(2rem,4.8vw,3.6rem);
 font-weight:900;
 line-height:1.18;
 margin-bottom:20px;
 letter-spacing:.5px;
 text-shadow:0 4px 24px rgba(232,69,44,.3);
}
.cf-dl-hero h1 .grad-text{
 background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
 -webkit-background-clip:text;background-clip:text;
 -webkit-text-fill-color:transparent;
}
.cf-dl-hero .hero-lead{
 font-size:1.08rem;color:var(--text-muted);
 max-width:600px;margin-bottom:28px;
 letter-spacing:.3px;
}
.cf-dl-hero .hero-reward-panel{
 background:linear-gradient(145deg,rgba(10,22,34,.92),rgba(12,21,36,.85));
 border:1px solid var(--border-gold);
 border-radius:var(--radius-card);
 padding:24px 28px;
 max-width:520px;
 box-shadow:0 0 32px rgba(232,69,44,.12);
}
.cf-dl-hero .hero-reward-panel .reward-label{
 font-size:.85rem;color:var(--text-muted);
 letter-spacing:.5px;
}
.cf-dl-hero .hero-reward-panel .reward-value{
 font-size:2rem;font-weight:900;
 color:var(--brand-gold);
 text-shadow:0 0 16px rgba(246,185,59,.4);
 margin-bottom:8px;
}
.cf-dl-hero .progress{
 height:10px;
 background:rgba(94,112,128,.2);
 border-radius:var(--radius-btn);
 overflow:hidden;
}
.cf-dl-hero .progress-bar{
 background:linear-gradient(90deg,var(--brand-red),var(--brand-gold));
 border-radius:var(--radius-btn);
}
.cf-dl-hero .hero-cta-group{
 display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;
}
.cf-dl-hero .hero-stats{
 display:grid;grid-template-columns:repeat(4,1fr);
 gap:14px;max-width:520px;margin-top:20px;
}
.cf-stat-badge{
 background:rgba(46,230,214,.06);
 border:1px solid var(--border-cyan);
 border-radius:16px;
 padding:12px 16px;
 text-align:center;
}
.cf-stat-badge .stat-label{
 font-size:.72rem;color:var(--text-muted);
 letter-spacing:.5px;margin-bottom:4px;
}
.cf-stat-badge .stat-number{
 font-size:1.35rem;font-weight:800;
 color:var(--neon-cyan);
 text-shadow:0 0 12px rgba(46,230,214,.35);
}
.cf-stat-badge .stat-unit{
 font-size:.75rem;color:var(--text-muted);
 margin-left:2px;
}
/* 区块通用 */
.cf-section{
 padding:var(--spacing-section) 0;
 position:relative;
}
.cf-section-title{
 font-size:clamp(1.6rem,3.2vw,2.4rem);
 font-weight:900;
 margin-bottom:16px;
 letter-spacing:.5px;
}
.cf-section-sub{
 color:var(--text-muted);
 font-size:1.05rem;
 margin-bottom:40px;
 max-width:720px;
}
.cf-section .section-tag{
 display:inline-block;
 color:var(--neon-cyan);
 font-size:.8rem;
 font-weight:700;
 letter-spacing:2px;
 text-transform:uppercase;
 margin-bottom:12px;
}
/* 下载步骤 */
.cf-dl-steps{
 display:flex;flex-direction:column;gap:20px;
}
.cf-dl-step{
 display:flex;gap:18px;
 background:linear-gradient(145deg,rgba(10,22,34,.88),rgba(12,21,36,.82));
 border:1px solid var(--border-gold);
 border-radius:var(--radius-card);
 padding:22px 24px;
 transition:all .3s ease;
}
.cf-dl-step:hover{
 transform:translateY(-3px);
 box-shadow:0 0 24px rgba(232,69,44,.18);
 border-color:rgba(246,185,59,.4);
}
.cf-dl-step .step-num{
 flex-shrink:0;
 width:44px;height:44px;
 border-radius:50%;
 background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
 display:flex;align-items:center;justify-content:center;
 font-weight:900;font-size:1.1rem;color:#fff;
 box-shadow:0 0 16px rgba(232,69,44,.35);
}
.cf-dl-step .step-content h3{
 font-size:1.15rem;font-weight:800;margin-bottom:6px;
}
.cf-dl-step .step-content p{
 font-size:.92rem;color:var(--text-muted);margin:0;
}
.cf-dl-step .step-link{
 color:var(--neon-cyan);
 font-weight:600;font-size:.85rem;
}
.cf-dl-step .step-link:hover{text-shadow:0 0 10px rgba(46,230,214,.5)}
/* 设备兼容卡 */
.cf-device-card{
 background:linear-gradient(145deg,rgba(10,22,34,.92),rgba(12,21,36,.85));
 border:1px solid var(--border-cyan);
 border-radius:var(--radius-large);
 padding:32px 28px;
 position:relative;
 box-shadow:0 0 32px rgba(46,230,214,.1);
}
.cf-device-card h3{
 font-size:1.4rem;font-weight:800;margin-bottom:16px;
}
.cf-device-card .device-item{
 display:flex;align-items:center;gap:12px;
 padding:12px 14px;
 border-bottom:1px solid rgba(94,112,128,.2);
}
.cf-device-card .device-item:last-child{border-bottom:none}
.cf-device-card .device-icon{
 width:40px;height:40px;flex-shrink:0;
 border-radius:12px;
 background:rgba(46,230,214,.1);
 border:1px solid var(--border-cyan);
 display:flex;align-items:center;justify-content:center;
 color:var(--neon-cyan);font-size:1.1rem;
}
.cf-device-card .device-info h4{
 font-size:.95rem;font-weight:700;margin:0 0 2px;
}
.cf-device-card .device-info p{
 font-size:.8rem;color:var(--text-muted);margin:0;
}
/* 账号服务 */
.cf-account-grid{
 display:grid;grid-template-columns:repeat(3,1fr);
 gap:20px;
}
.cf-account-card{
 background:linear-gradient(145deg,rgba(10,22,34,.88),rgba(12,21,36,.82));
 border:1px solid var(--border-gold);
 border-radius:var(--radius-card);
 padding:24px 22px;
 transition:all .3s ease;
}
.cf-account-card:hover{
 transform:translateY(-3px);
 box-shadow:0 0 24px rgba(246,185,59,.15);
}
.cf-account-card .ac-icon{
 width:48px;height:48px;
 border-radius:14px;
 background:rgba(232,69,44,.12);
 border:1px solid rgba(232,69,44,.3);
 display:flex;align-items:center;justify-content:center;
 color:var(--brand-gold);font-size:1.3rem;
 margin-bottom:14px;
}
.cf-account-card h3{
 font-size:1.1rem;font-weight:800;margin-bottom:8px;
}
.cf-account-card p{
 font-size:.9rem;color:var(--text-muted);margin:0;
}
/* FAQ */
.cf-faq .accordion-item{
 background:linear-gradient(145deg,rgba(10,22,34,.9),rgba(12,21,36,.84));
 border:1px solid var(--border-gold);
 border-radius:18px !important;
 margin-bottom:14px;
 overflow:hidden;
}
.cf-faq .accordion-button{
 background:transparent;
 color:var(--text-warm);
 font-weight:700;
 font-size:1rem;
 padding:18px 22px;
 box-shadow:none;
 border-radius:18px;
}
.cf-faq .accordion-button:not(.collapsed){
 background:rgba(232,69,44,.08);
 color:var(--brand-gold);
 box-shadow:none;
 border-bottom:1px solid var(--border-gold);
}
.cf-faq .accordion-button:focus{
 box-shadow:0 0 0 3px rgba(46,230,214,.25);
 border-color:var(--neon-cyan);
}
.cf-faq .accordion-button::after{
 filter:brightness(0) invert(1);
}
.cf-faq .accordion-body{
 color:var(--text-muted);
 font-size:.95rem;
 padding:18px 22px;
 line-height:1.8;
}
.cf-faq .faq-num{
 display:inline-flex;
 width:28px;height:28px;
 border-radius:50%;
 background:rgba(46,230,214,.12);
 color:var(--neon-cyan);
 font-size:.8rem;
 font-weight:800;
 align-items:center;
 justify-content:center;
 margin-right:10px;
 flex-shrink:0;
}
/* CTA 表单 */
.cf-cta-section{
 background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
 position:relative;
 padding:80px 0;
}
.cf-cta-section::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(135deg,rgba(5,7,13,.92),rgba(10,22,34,.85),rgba(5,7,13,.9));
 z-index:1;
}
.cf-cta-section .container{position:relative;z-index:2}
.cf-cta-card{
 background:linear-gradient(145deg,rgba(10,22,34,.95),rgba(12,21,36,.9));
 border:1px solid var(--border-gold);
 border-radius:var(--radius-large);
 padding:40px 36px;
 box-shadow:0 0 48px rgba(232,69,44,.15);
}
.cf-cta-card h2{
 font-size:clamp(1.6rem,3vw,2.2rem);
 font-weight:900;margin-bottom:12px;
}
.cf-cta-card .cta-desc{
 color:var(--text-muted);margin-bottom:24px;
}
.cf-form .form-label{
 color:var(--text-muted);
 font-size:.88rem;
 font-weight:600;
 letter-spacing:.5px;
}
.cf-form .form-control{
 background:rgba(5,7,13,.7);
 border:1px solid rgba(94,112,128,.3);
 border-radius:var(--radius-input);
 color:var(--text-warm);
 padding:12px 16px;
 font-size:.95rem;
 transition:all .3s ease;
}
.cf-form .form-control:focus{
 background:rgba(5,7,13,.9);
 border-color:var(--neon-cyan);
 box-shadow:0 0 0 3px rgba(46,230,214,.2);
 color:var(--text-warm);
}
.cf-form .form-control::placeholder{color:rgba(148,160,176,.6)}
.cf-form select.form-control option{background:#0A1622;color:var(--text-warm)}
.cf-form .form-check-input{
 background-color:rgba(5,7,13,.7);
 border:1px solid rgba(94,112,128,.4);
}
.cf-form .form-check-input:checked{
 background-color:var(--neon-cyan);
 border-color:var(--neon-cyan);
}
.cf-form .cf-btn-primary{width:100%;font-size:1.05rem;padding:15px 32px}
.cf-form .form-hint{
 font-size:.78rem;color:var(--text-muted);
 margin-top:10px;text-align:center;
}
/* 页脚 */
.cf-footer{
 background:linear-gradient(180deg,var(--bg-deep),#030509);
 border-top:1px solid var(--border-gold);
 padding:60px 0 24px;
 position:relative;
}
.cf-footer::before{
 content:"";position:absolute;top:-1px;left:0;right:0;
 height:2px;
 background:linear-gradient(90deg,var(--brand-gold),var(--neon-cyan));
}
.cf-footer .footer-logo{
 font-size:1.4rem;font-weight:900;
 background:linear-gradient(135deg,var(--brand-red),var(--brand-gold));
 -webkit-background-clip:text;background-clip:text;
 -webkit-text-fill-color:transparent;
 display:inline-block;margin-bottom:12px;
}
.cf-footer .footer-desc{
 color:var(--text-muted);
 font-size:.9rem;
 max-width:300px;
}
.cf-footer h5{
 font-size:.95rem;font-weight:800;
 color:var(--text-warm);
 margin-bottom:16px;
 letter-spacing:.5px;
}
.cf-footer .footer-link{
 display:block;
 color:var(--text-muted);
 font-size:.88rem;
 margin-bottom:8px;
 transition:all .25s ease;
}
.cf-footer .footer-link:hover,
.cf-footer .footer-link:focus{
 color:var(--neon-cyan);
 text-shadow:0 0 8px rgba(46,230,214,.4);
}
.cf-footer .footer-bottom{
 margin-top:40px;
 padding-top:20px;
 border-top:1px solid rgba(94,112,128,.2);
 text-align:center;
}
.cf-footer .footer-bottom p{
 font-size:.78rem;
 color:var(--text-muted);
 margin-bottom:4px;
}
.cf-footer .footer-bottom a{
 color:var(--text-muted);
}
.cf-footer .footer-bottom a:hover{color:var(--neon-cyan)}
/* 响应式 */
@media (max-width:991.98px){
 .cf-nav .navbar-collapse{
  background:rgba(5,7,13,.95);
  border-radius:16px;padding:16px;margin-top:10px;
  border:1px solid var(--border-gold);
 }
 .cf-nav .nav-link{margin:4px 0}
 .cf-dl-hero{min-height:auto;padding:80px 0}
 .cf-dl-hero .hero-stats{grid-template-columns:repeat(2,1fr)}
 .cf-account-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
 :root{--spacing-section:56px}
 .cf-dl-hero .hero-stats{grid-template-columns:repeat(2,1fr)}
 .cf-dl-hero .hero-reward-panel{padding:20px}
 .cf-account-grid{grid-template-columns:1fr}
 .cf-cta-card{padding:28px 22px}
 .cf-dl-step{flex-direction:column;gap:12px}
 .cf-dl-step .step-num{width:36px;height:36px;font-size:.9rem}
}
@media (max-width:519.98px){
 .cf-dl-hero .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
 .cf-dl-hero h1{font-size:1.9rem}
 .cf-nav .cta-btn{display:none}
}

/* roulang page: category5 */
:root {
            --bg-deep: #05070D;
            --bg-mid: #0A1622;
            --bg-high: #0C1524;
            --brand-red: #E8452C;
            --brand-gold: #F6B93B;
            --neon-cyan: #2EE6D6;
            --text-warm: #F5F0E6;
            --text-muted: #94A0B0;
            --border-gold: rgba(246, 185, 59, .22);
            --border-cyan: rgba(46, 230, 214, .18);
            --glow-cyan: 0 0 28px rgba(46, 230, 214, .16);
            --glow-gold: 0 0 0 1px rgba(246, 185, 59, .14);
            --radius-card: 24px;
            --radius-large: 32px;
            --radius-btn: 999px;
            --radius-input: 16px;
            --font-sys: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --spacing-section: 96px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sys);
            background: var(--bg-deep);
            color: var(--text-warm);
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }

        button {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .cf-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 7, 13, .9);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, var(--brand-gold), var(--neon-cyan)) 1;
            padding: 14px 0;
        }

        .cf-nav .nav-logo {
            font-size: 1.5rem;
            font-weight: 900;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
        }

        .cf-nav .nav-link {
            color: var(--text-muted);
            font-weight: 500;
            margin: 0 6px;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            position: relative;
            font-size: .95rem;
            letter-spacing: .5px;
        }

        .cf-nav .nav-link:hover,
        .cf-nav .nav-link:focus {
            color: var(--text-warm);
        }

        .cf-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-gold), var(--neon-cyan));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .25s ease;
            border-radius: 2px;
        }

        .cf-nav .nav-link:hover::after,
        .cf-nav .nav-link:focus::after {
            transform: scaleX(1);
        }

        .cf-nav .nav-link.active {
            color: var(--neon-cyan);
            text-shadow: 0 0 12px rgba(46, 230, 214, .6);
        }

        .cf-nav .nav-link.active::after {
            transform: scaleX(1);
            background: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(46, 230, 214, .5);
        }

        .cf-nav .cta-btn {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: var(--text-warm);
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            border: none;
            font-size: .9rem;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .cf-nav .cta-btn:hover,
        .cf-nav .cta-btn:focus {
            color: #fff;
            box-shadow: 0 0 20px rgba(232, 69, 44, .45);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid var(--border-cyan);
            color: var(--neon-cyan);
            font-size: 1.2rem;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--neon-cyan);
        }

        /* 排行榜 Hero */
        .rank-hero {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 72px 0 64px;
            overflow: hidden;
        }

        .rank-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 25% 35%, rgba(232, 69, 44, .22), transparent 55%),
                radial-gradient(ellipse at 75% 65%, rgba(46, 230, 214, .14), transparent 50%),
                linear-gradient(135deg, rgba(5, 7, 13, .92), rgba(10, 22, 34, .8), rgba(5, 7, 13, .94));
            z-index: 1;
        }

        .rank-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(246, 185, 59, .12);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 6px 18px;
            border-radius: var(--radius-btn);
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .rank-hero h1 {
            font-size: clamp(2rem, 5vw, 3.8rem);
            font-weight: 900;
            line-height: 1.18;
            margin-bottom: 20px;
            letter-spacing: .5px;
            text-shadow: 0 4px 24px rgba(232, 69, 44, .3);
        }

        .rank-hero h1 .grad-text {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .rank-hero .hero-lead {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 28px;
            letter-spacing: .3px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .cf-btn-primary {
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            border: none;
            letter-spacing: .5px;
            box-shadow: 0 0 24px rgba(232, 69, 44, .35);
            transition: all .3s ease;
        }

        .cf-btn-primary:hover,
        .cf-btn-primary:focus {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(246, 185, 59, .4);
        }

        .cf-btn-outline {
            background: transparent;
            color: var(--neon-cyan);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-cyan);
            letter-spacing: .5px;
            transition: all .3s ease;
        }

        .cf-btn-outline:hover,
        .cf-btn-outline:focus {
            color: var(--neon-cyan);
            background: rgba(46, 230, 214, .08);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 20px rgba(46, 230, 214, .25);
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-muted);
            font-size: .9rem;
        }

        .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .refresh-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(46, 230, 214, .1);
            border: 1px solid var(--border-cyan);
            color: var(--neon-cyan);
            padding: 5px 14px;
            border-radius: var(--radius-btn);
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .5px;
        }

        .refresh-badge i {
            animation: spin 2s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* 前三名特殊卡 */
        .podium-section {
            padding: var(--spacing-section) 0 56px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(246, 185, 59, .1);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 5px 16px;
            border-radius: var(--radius-btn);
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3.6vw, 2.6rem);
            font-weight: 900;
            margin-bottom: 14px;
            letter-spacing: .3px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 720px;
            margin-bottom: 36px;
        }

        .podium-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 20px;
            align-items: end;
        }

        .podium-card {
            background: linear-gradient(145deg, rgba(10, 22, 34, .95), rgba(12, 21, 36, .88));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-large);
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
            transition: all .3s ease;
        }

        .podium-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(232, 69, 44, .18), 0 0 0 1px rgba(246, 185, 59, .28);
        }

        .podium-card.champion {
            grid-row: span 1;
            padding: 36px 28px;
            border-color: rgba(246, 185, 59, .5);
            box-shadow: 0 0 40px rgba(246, 185, 59, .16);
            background: linear-gradient(145deg, rgba(232, 69, 44, .14), rgba(246, 185, 59, .06), rgba(10, 22, 34, .9));
        }

        .podium-card.champion::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 30% 20%, rgba(246, 185, 59, .12), transparent 55%);
            pointer-events: none;
        }

        .podium-rank {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1;
            color: rgba(246, 185, 59, .18);
            letter-spacing: 2px;
        }

        .podium-card.champion .podium-rank {
            color: rgba(246, 185, 59, .32);
            font-size: 4rem;
        }

        .podium-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: 0 0 20px rgba(232, 69, 44, .3);
        }

        .podium-card.champion .podium-avatar {
            width: 88px;
            height: 88px;
            font-size: 2.2rem;
            box-shadow: 0 0 32px rgba(246, 185, 59, .4);
        }

        .podium-name {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 4px;
            letter-spacing: .3px;
        }

        .podium-card.champion .podium-name {
            font-size: 1.5rem;
        }

        .podium-server {
            color: var(--text-muted);
            font-size: .85rem;
            margin-bottom: 16px;
        }

        .podium-stats {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .podium-stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .88rem;
            color: var(--text-muted);
            padding: 6px 0;
            border-bottom: 1px solid rgba(246, 185, 59, .08);
        }

        .podium-stat-row:last-child {
            border-bottom: none;
        }

        .podium-stat-row .stat-val {
            color: var(--text-warm);
            font-weight: 700;
            font-size: 1rem;
        }

        .podium-stat-row .stat-val.highlight {
            color: var(--brand-gold);
        }

        .podium-stat-row .stat-val.cyan {
            color: var(--neon-cyan);
        }

        /* 完整榜单 */
        .full-board-section {
            padding: 48px 0 72px;
        }

        .board-panel {
            background: linear-gradient(145deg, rgba(10, 22, 34, .92), rgba(12, 21, 36, .85));
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-large);
            padding: 28px 28px 20px;
            box-shadow: 0 0 32px rgba(46, 230, 214, .08);
        }

        .board-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }

        .board-header h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0;
        }

        .board-tabs {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .board-tab {
            background: transparent;
            border: 1px solid var(--border-cyan);
            color: var(--text-muted);
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            font-size: .85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all .25s ease;
            letter-spacing: .3px;
        }

        .board-tab:hover,
        .board-tab:focus {
            color: var(--text-warm);
            border-color: var(--neon-cyan);
        }

        .board-tab.active {
            background: rgba(46, 230, 214, .12);
            color: var(--neon-cyan);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 12px rgba(46, 230, 214, .2);
        }

        .board-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .board-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            border-radius: 16px;
            background: rgba(5, 7, 13, .5);
            border: 1px solid rgba(246, 185, 59, .1);
            transition: all .25s ease;
            flex-wrap: wrap;
        }

        .board-row:hover {
            background: rgba(10, 22, 34, .7);
            border-color: rgba(46, 230, 214, .3);
            box-shadow: 0 0 16px rgba(46, 230, 214, .1);
        }

        .board-rank-num {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.05rem;
            background: rgba(94, 100, 112, .14);
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .board-rank-num.top-rank {
            background: rgba(246, 185, 59, .15);
            color: var(--brand-gold);
        }

        .board-rank-num.quarter-rank {
            background: rgba(46, 230, 214, .12);
            color: var(--neon-cyan);
        }

        .board-player {
            min-width: 120px;
            flex-shrink: 0;
        }

        .board-player .bp-name {
            font-weight: 700;
            font-size: .98rem;
            margin-bottom: 2px;
        }

        .board-player .bp-server {
            font-size: .78rem;
            color: var(--text-muted);
        }

        .board-data-bars {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .bar-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .78rem;
            color: var(--text-muted);
        }

        .bar-row .bar-label {
            width: 56px;
            flex-shrink: 0;
            text-align: right;
        }

        .bar-track {
            flex: 1;
            height: 6px;
            background: rgba(94, 100, 112, .18);
            border-radius: 3px;
            overflow: hidden;
        }

        .bar-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 1s ease;
        }

        .bar-fill.gold-fill {
            background: linear-gradient(90deg, var(--brand-red), var(--brand-gold));
        }

        .bar-fill.cyan-fill {
            background: linear-gradient(90deg, #1a9e94, var(--neon-cyan));
        }

        .board-score {
            text-align: right;
            flex-shrink: 0;
            min-width: 100px;
        }

        .board-score .bs-val {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--brand-gold);
        }

        .board-score .bs-label {
            font-size: .78rem;
            color: var(--text-muted);
        }

        /* 战绩复盘分析 */
        .review-section {
            padding: 56px 0 72px;
            background: linear-gradient(180deg, transparent, rgba(10, 22, 34, .45), transparent);
        }

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

        .review-card {
            background: linear-gradient(145deg, rgba(10, 22, 34, .92), rgba(12, 21, 36, .85));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            padding: 26px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all .3s ease;
        }

        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(232, 69, 44, .12), 0 0 0 1px rgba(246, 185, 59, .2);
        }

        .review-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(46, 230, 214, .12);
            border: 1px solid var(--border-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--neon-cyan);
            flex-shrink: 0;
        }

        .review-card .rc-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .review-card .rc-text {
            color: var(--text-muted);
            font-size: .92rem;
            margin-bottom: 12px;
        }

        .review-card .rc-metric {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .review-card .rc-metric span {
            font-size: .82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .review-card .rc-metric strong {
            color: var(--brand-gold);
            font-weight: 700;
        }

        /* 数据统计条 */
        .stats-strip {
            background: linear-gradient(135deg, rgba(232, 69, 44, .08), rgba(246, 185, 59, .05));
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 28px 0;
        }

        .stats-strip .ss-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .ss-item {
            text-align: center;
            padding: 8px;
        }

        .ss-item .ss-num {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
            tabular-nums: numeric;
        }

        .ss-item .ss-label {
            color: var(--text-muted);
            font-size: .88rem;
            margin-top: 4px;
            letter-spacing: .5px;
        }

        /* CTA 表单 */
        .cta-section {
            padding: 72px 0 80px;
        }

        .cta-panel {
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            border-radius: var(--radius-large);
            overflow: hidden;
            position: relative;
            padding: 48px 40px;
            border: 1px solid var(--border-gold);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(5, 7, 13, .94), rgba(10, 22, 34, .82));
            z-index: 1;
        }

        .cta-panel .row {
            position: relative;
            z-index: 2;
        }

        .cta-panel h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 14px;
        }

        .cta-panel .cta-desc {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 20px;
        }

        .cta-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(46, 230, 214, .08);
            border: 1px solid var(--border-cyan);
            color: var(--neon-cyan);
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            font-size: .82rem;
            font-weight: 600;
        }

        .cta-badge.gold-badge {
            background: rgba(246, 185, 59, .08);
            border-color: var(--border-gold);
            color: var(--brand-gold);
        }

        .cta-form .form-control {
            background: rgba(5, 7, 13, .7);
            border: 1px solid rgba(246, 185, 59, .18);
            border-radius: var(--radius-input);
            color: var(--text-warm);
            padding: 12px 18px;
            font-size: .95rem;
            transition: all .3s ease;
        }

        .cta-form .form-control::placeholder {
            color: rgba(148, 160, 176, .55);
        }

        .cta-form .form-control:focus {
            background: rgba(5, 7, 13, .85);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 18px rgba(46, 230, 214, .25);
            color: var(--text-warm);
            outline: none;
        }

        .cta-form .form-label {
            color: var(--text-muted);
            font-size: .85rem;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .cta-form .form-text {
            color: rgba(148, 160, 176, .7);
            font-size: .78rem;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-section {
            padding: 48px 0 80px;
        }

        .faq-accordion .accordion-item {
            background: linear-gradient(145deg, rgba(10, 22, 34, .9), rgba(12, 21, 36, .85));
            border: 1px solid var(--border-gold);
            border-radius: 18px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all .3s ease;
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(246, 185, 59, .35);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-warm);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            border-radius: 18px;
            letter-spacing: .3px;
            transition: all .3s ease;
        }

        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: .6;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(46, 230, 214, .06);
            color: var(--neon-cyan);
            box-shadow: none;
            border-bottom: 1px solid var(--border-cyan);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--neon-cyan);
        }

        .faq-accordion .accordion-body {
            color: var(--text-muted);
            font-size: .95rem;
            padding: 18px 22px;
            line-height: 1.75;
        }

        .faq-accordion .faq-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(46, 230, 214, .12);
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: .82rem;
            margin-right: 10px;
            flex-shrink: 0;
        }

        /* 页脚 */
        .cf-footer {
            background: linear-gradient(180deg, rgba(10, 22, 34, .7), rgba(5, 7, 13, .98));
            border-top: 1px solid var(--border-gold);
            padding: 56px 0 28px;
            margin-top: 40px;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--brand-red), var(--brand-gold));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.65;
            max-width: 320px;
        }

        .cf-footer h5 {
            color: var(--text-warm);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .footer-link {
            display: block;
            color: var(--text-muted);
            font-size: .88rem;
            padding: 4px 0;
            transition: all .25s ease;
        }

        .footer-link:hover,
        .footer-link:focus {
            color: var(--neon-cyan);
            transform: translateX(3px);
        }

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(246, 185, 59, .1);
            color: rgba(148, 160, 176, .65);
            font-size: .8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom a {
            color: rgba(148, 160, 176, .75);
            transition: color .25s ease;
        }

        .footer-bottom a:hover,
        .footer-bottom a:focus {
            color: var(--neon-cyan);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 64px;
            }

            .podium-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .podium-card.champion {
                grid-column: 1 / -1;
                order: -1;
            }

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

            .stats-strip .ss-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }

            .container {
                padding: 0 18px;
            }

            .rank-hero {
                min-height: auto;
                padding: 56px 0 44px;
            }

            .rank-hero h1 {
                font-size: clamp(1.8rem, 4vw, 2.4rem);
            }

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

            .podium-card.champion {
                grid-column: auto;
                order: 0;
            }

            .board-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .board-data-bars {
                width: 100%;
                min-width: 100%;
            }

            .board-score {
                text-align: left;
            }

            .cta-panel {
                padding: 28px 20px;
            }

            .cf-nav .nav-link {
                margin: 4px 0;
            }

            .cf-nav .navbar-collapse {
                background: rgba(5, 7, 13, .95);
                border-radius: 16px;
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border-gold);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .cf-btn-primary,
            .cf-btn-outline {
                text-align: center;
                width: 100%;
            }

            .stats-strip .ss-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .ss-item .ss-num {
                font-size: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            .board-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }