/* roulang page: index */
:root{
  --c-bg:#0A0712;
  --c-bg-2:#140E22;
  --c-card:#1A1229;
  --c-line:rgba(255,255,255,.10);
  --c-primary:#FF2E88;
  --c-ai:#7B5CFF;
  --c-accent:#21E6C1;
  --c-badge:#FFC53D;
  --c-text:#F5F1FF;
  --c-text-2:#B9AEE0;
  --c-text-3:#7E749B;
  --grad-brand:linear-gradient(120deg,#FF2E88,#7B5CFF 55%,#21E6C1);
  --r-lg:24px;
  --r-md:16px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 18px 50px rgba(255,46,136,.18);
  --sp-8:8px;--sp-12:12px;--sp-16:16px;--sp-24:24px;--sp-32:32px;--sp-48:48px;--sp-72:72px;--sp-96:96px;
  --bs-body-bg:var(--c-bg);
  --bs-body-color:var(--c-text);
  --bs-border-color:var(--c-line);
  --bs-primary:var(--c-primary);
  --bs-primary-rgb:255,46,136;
  --bs-link-color:var(--c-accent);
  --bs-link-hover-color:var(--c-primary);
  --bs-font-sans-serif:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,46,136,.4);color:#fff}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
.section-head{margin-bottom:48px;max-width:760px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--c-accent);
  text-transform:uppercase;margin-bottom:12px;font-weight:700
}
.section-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:14px}
.section-head p{color:var(--c-text-2);font-size:16px;line-height:1.8}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.divider-neon{height:1px;background:var(--grad-brand);opacity:.5;border:0;margin:0}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,7,18,.86);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad-brand);opacity:.7
}
.site-header .container{display:flex;align-items:center;min-height:72px}
.navbar{padding:0;width:100%;flex-wrap:nowrap}
.brand{display:flex;flex-direction:column;line-height:1.1;padding:0;margin-right:auto}
.brand__main{
  font-size:19px;font-weight:800;letter-spacing:-.01em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent
}
.brand__sub{font-size:11px;color:var(--c-text-3);letter-spacing:.14em;margin-top:3px}
.nav-list{display:flex;align-items:center;gap:4px;margin:0 20px 0 0}
.nav-list .nav-link{
  position:relative;display:block;padding:10px 2px;margin:0 14px;
  color:var(--c-text-2);font-weight:600;font-size:15px;white-space:nowrap
}
.nav-list .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;border-radius:2px
}
.nav-list .nav-link:hover{color:var(--c-text)}
.nav-list .nav-link:hover::after{transform:scaleX(1)}
.nav-list .nav-link.active{color:#fff;text-shadow:0 0 16px rgba(255,46,136,.7)}
.nav-list .nav-link.active::after{transform:scaleX(1)}
.nav-toggle{
  border:1px solid var(--c-line);background:rgba(255,255,255,.04);
  border-radius:12px;width:44px;height:40px;display:none;flex-direction:column;
  align-items:center;justify-content:center;gap:5px;padding:0
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px}
.nav-toggle:focus{box-shadow:none}

.btn-grad,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);font-weight:700;border:0;cursor:pointer;
  transition:transform .3s ease,box-shadow .3s ease,background-position .35s ease,color .3s ease,border-color .3s ease;
  padding:12px 26px;font-size:15px;line-height:1.2;white-space:nowrap
}
.btn-grad{
  color:#12060F;background-image:var(--grad-brand);background-size:200% 100%;background-position:0 0;
  box-shadow:0 10px 26px rgba(255,46,136,.28)
}
.btn-grad:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:var(--sh-glow);color:#12060F}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.22);color:var(--c-text)
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-accent);color:var(--c-accent);box-shadow:0 0 0 1px rgba(33,230,193,.35)}
.btn-sm{padding:9px 18px;font-size:14px}
.nav-cta{padding:11px 24px;font-size:14px}

/* ============ COUNTDOWN BAR ============ */
.countdown-bar{
  position:sticky;top:72px;z-index:1020;height:56px;
  background:linear-gradient(90deg,rgba(255,46,136,.18),rgba(123,92,255,.18) 55%,rgba(33,230,193,.16));
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(6px)
}
.countdown-inner{display:flex;align-items:center;gap:20px;height:56px}
.cd-label{font-size:14px;color:var(--c-text-2);font-weight:600;white-space:nowrap}
.cd-clock{display:flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.cd-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:34px;
  background:rgba(10,7,18,.7);border:1px solid rgba(255,197,61,.4);border-radius:10px;
  font-size:20px;font-weight:800;color:var(--c-badge);letter-spacing:.02em
}
.cd-sep{color:var(--c-badge);font-size:18px;font-weight:800;opacity:.8}
.cd-cta{margin-left:auto}

/* ============ HERO ============ */
.hero{
  position:relative;padding:88px 0 80px;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(10,7,18,.92),rgba(10,7,18,.72) 55%,rgba(10,7,18,.9)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 78% 22%,rgba(255,46,136,.24),transparent 65%),
             radial-gradient(700px 360px at 12% 88%,rgba(33,230,193,.16),transparent 70%)
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(33,230,193,.4);color:var(--c-accent);font-size:13px;font-weight:700;
  background:rgba(33,230,193,.08);letter-spacing:.06em;margin-bottom:22px
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 12px var(--c-accent);display:inline-block}
.hero h1{font-size:clamp(30px,4.6vw,52px);margin-bottom:20px}
.hero-sub{font-size:17px;color:var(--c-text-2);line-height:1.85;max-width:640px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero-note{margin-top:22px;font-size:13px;color:var(--c-text-3)}

.hero-side{position:relative}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);aspect-ratio:16/9
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(255,46,136,.28),transparent 55%,rgba(33,230,193,.22))
}
.float-badge{
  position:absolute;right:-8px;bottom:-26px;display:flex;gap:14px;
  background:var(--c-card);border:1px solid rgba(255,197,61,.35);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--sh-1)
}
.float-badge .fb-item{text-align:center;min-width:74px}
.float-badge .fb-num{
  display:block;font-size:22px;font-weight:800;color:var(--c-badge);
  font-variant-numeric:tabular-nums;letter-spacing:.02em
}
.float-badge .fb-txt{font-size:12px;color:var(--c-text-3)}

/* ============ BADGE STRIP ============ */
.badge-strip{padding:32px 0 8px}
.badge-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-pill{
  display:flex;flex-direction:column;align-items:center;gap:2px;padding:18px 16px;
  background:var(--c-card);border:1px solid rgba(255,197,61,.28);border-radius:var(--r-pill);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease
}
.stat-pill:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.5);box-shadow:var(--sh-glow)}
.stat-pill .num{
  font-size:22px;font-weight:800;color:var(--c-badge);
  font-variant-numeric:tabular-nums;letter-spacing:.02em
}
.stat-pill .txt{font-size:13px;color:var(--c-text-2)}

/* ============ FEATURES 2+1 ============ */
.feat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.feat-card{
  grid-column:span 3;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:32px;position:relative;overflow:hidden;
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease
}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.4);box-shadow:var(--sh-glow)}
.feat-card--wide{grid-column:span 6;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:32px;align-items:center}
.feat-card h3{font-size:20px;margin-bottom:14px}
.feat-card p{color:var(--c-text-2);font-size:15px;line-height:1.85}
.feat-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,46,136,.12);border:1px solid rgba(255,46,136,.35);
  color:var(--c-primary);font-weight:800;font-size:18px;margin-bottom:20px
}
.feat-list{margin-top:18px;display:grid;gap:10px}
.feat-list li{position:relative;padding-left:20px;color:var(--c-text-2);font-size:14.5px}
.feat-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;
  background:var(--grad-brand)
}
.feat-visual{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--c-line)}
.feat-visual img{width:100%;height:100%;object-fit:cover}

/* ============ MOSAIC ============ */
.mosaic-section{
  background-image:linear-gradient(rgba(10,7,18,.9),rgba(10,7,18,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center
}
.mosaic{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:112px;gap:16px}
.mosaic-item{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--c-line);
  background:var(--c-bg-2)
}
.mosaic-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mosaic-item::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,7,18,.85));
  transition:background .4s ease
}
.mosaic-item:hover{border-color:rgba(255,46,136,.45)}
.mosaic-item:hover img{transform:scale(1.04)}
.mosaic-item:hover::after{background:linear-gradient(150deg,rgba(255,46,136,.5),rgba(33,230,193,.35))}
.mosaic-cap{position:absolute;left:18px;bottom:16px;z-index:2;font-size:14px;font-weight:600;color:#fff}
.mosaic-tag{
  position:absolute;left:18px;top:16px;z-index:2;font-size:11.5px;font-weight:700;
  padding:4px 12px;border-radius:var(--r-pill);background:rgba(10,7,18,.7);
  border:1px solid rgba(255,197,61,.45);color:var(--c-badge);letter-spacing:.05em
}
.mosaic-item:nth-child(1){grid-column:span 3;grid-row:span 2}
.mosaic-item:nth-child(2){grid-column:span 3}
.mosaic-item:nth-child(3){grid-column:span 3}
.mosaic-item:nth-child(4){grid-column:span 2;grid-row:span 2}
.mosaic-item:nth-child(5){grid-column:span 2;grid-row:span 2}
.mosaic-item:nth-child(6){grid-column:span 2;grid-row:span 2}

/* ============ SIGNUP ============ */
.signup{
  background:linear-gradient(135deg,rgba(26,18,41,.96),rgba(20,14,34,.96));
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)
}
.signup-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:start}
.signup h2{font-size:clamp(22px,3vw,34px);margin-bottom:18px}
.signup p.lead{color:var(--c-text-2);font-size:16px;line-height:1.85;margin-bottom:28px}
.signup-points{display:grid;gap:14px}
.signup-points li{
  display:flex;gap:12px;align-items:flex-start;color:var(--c-text-2);font-size:15px
}
.signup-points li b{color:var(--c-accent);font-weight:800}
.form-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1)
}
.form-card h3{font-size:19px;margin-bottom:8px}
.form-card .form-hint{font-size:13px;color:var(--c-text-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--c-text-2);margin-bottom:8px;font-weight:600}
.field input,.field select{
  width:100%;padding:13px 16px;background:var(--c-bg-2);border:1px solid var(--c-line);
  border-radius:var(--r-md);transition:border-color .28s ease,box-shadow .28s ease;outline:none
}
.field input::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,46,136,.18)
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-text-2) 50%),linear-gradient(135deg,var(--c-text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-btn{width:100%;margin-top:8px}
.form-success{
  margin-top:16px;padding:12px 16px;border-radius:var(--r-md);
  background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.35);
  color:var(--c-accent);font-size:14px
}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.accordion-item{
  background:var(--c-card);border:1px solid rgba(255,46,136,.25)!important;
  border-radius:var(--r-md)!important;margin-bottom:14px;overflow:hidden
}
.accordion-button{
  background:transparent;color:var(--c-text);font-size:18px;font-weight:600;
  padding:22px 26px;box-shadow:none!important;display:flex;align-items:center;gap:16px
}
.accordion-button:not(.collapsed){color:#fff;background:rgba(255,46,136,.06)}
.accordion-button::after{display:none}
.accordion-button .q-plus{
  margin-left:auto;font-size:22px;font-weight:400;line-height:1;color:var(--c-accent);
  transition:transform .3s ease
}
.accordion-button:not(.collapsed) .q-plus{transform:rotate(45deg)}
.accordion-body{
  padding:0 26px 24px;color:var(--c-text-2);font-size:15px;line-height:1.85
}

/* ============ CMS LIST ============ */
.cms-section{background:var(--c-bg-2)}
.cms-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.cms-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:10px}
.cms-head p{color:var(--c-text-2);font-size:15px}
.cms-all{
  font-size:14px;font-weight:700;color:var(--c-accent);border-bottom:1px solid rgba(33,230,193,.4);
  padding-bottom:2px;white-space:nowrap
}
.cms-all:hover{color:var(--c-primary);border-color:rgba(255,46,136,.5)}
.cms-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.post-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.45);box-shadow:var(--sh-glow)}
.post-card--main{grid-column:span 6;grid-row:span 3}
.post-card--side{grid-column:span 6;flex-direction:row}
.post-card__thumb{display:block;overflow:hidden;background:var(--c-bg-2)}
.post-card--main .post-card__thumb{aspect-ratio:16/9}
.post-card--side .post-card__thumb{width:38%;flex:0 0 38%;aspect-ratio:auto}
.post-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-card__thumb img{transform:scale(1.04)}
.post-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-card--main .post-card__body{padding:32px}
.tag{
  display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:4px 12px;border-radius:var(--r-pill);color:var(--c-accent);
  background:rgba(33,230,193,.1);border:1px solid rgba(33,230,193,.3)
}
.post-card__title{font-size:18px;line-height:1.5}
.post-card--main .post-card__title{font-size:24px}
.post-card__title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__title a:hover{color:var(--c-primary)}
.post-card__desc{
  color:var(--c-text-2);font-size:14.5px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.post-card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);gap:12px
}
.post-card__meta .more{color:var(--c-primary);font-weight:700}
.cms-empty{
  grid-column:1/-1;text-align:center;padding:64px 24px;border:1px dashed var(--c-line);
  border-radius:var(--r-lg);background:rgba(26,18,41,.6)
}
.cms-empty .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:24px;
  background:rgba(255,46,136,.12);border:1px solid rgba(255,46,136,.35);color:var(--c-primary)
}
.cms-empty p{color:var(--c-text-2);margin-bottom:20px}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;padding:80px 0;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(10,7,18,.9),rgba(10,7,18,.75)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,3vw,32px);margin-bottom:10px}
.cta-inner p{color:var(--c-text-2);font-size:15.5px}

/* ============ FOOTER ============ */
.site-footer{background:#08050F;border-top:1px solid var(--c-line);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand__main{
  font-size:20px;font-weight:800;margin-bottom:12px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;display:inline-block
}
.footer-brand p{color:var(--c-text-3);font-size:14px;line-height:1.85;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--c-text)}
.footer-col li{margin-bottom:11px}
.footer-col a{color:var(--c-text-3);font-size:14px}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  border-top:1px solid transparent;border-image:var(--grad-brand) 1;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;font-size:13px;color:var(--c-text-3)
}

/* ============ RESPONSIVE ============ */
@media (max-width:1200px){
  .hero-grid{gap:40px}
  .float-badge{right:0}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .nav-toggle{display:flex}
  .site-header .container{min-height:64px}
  .navbar-collapse{
    background:rgba(10,7,18,.98);border:1px solid var(--c-line);border-radius:var(--r-md);
    margin-top:12px;padding:12px 16px 20px
  }
  .nav-list{flex-direction:column;align-items:stretch;margin:0}
  .nav-list .nav-link{margin:0;padding:14px 4px;border-bottom:1px solid var(--c-line)}
  .nav-list .nav-link::after{display:none}
  .nav-list .nav-link.active{color:var(--c-primary)}
  .nav-cta{width:100%;margin-top:16px}
  .countdown-bar{top:64px;height:auto}
  .countdown-inner{height:auto;padding:10px 0;flex-wrap:wrap;gap:12px}
  .cd-cta{margin-left:0}
  .hero{padding:64px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:56px}
  .float-badge{position:static;margin-top:20px;justify-content:space-around;width:100%}
  .badge-row{grid-template-columns:repeat(2,1fr)}
  .feat-card,.feat-card--wide{grid-column:span 6}
  .feat-card--wide{grid-template-columns:1fr;gap:24px}
  .mosaic{grid-auto-rows:96px}
  .mosaic-item:nth-child(1){grid-column:span 6;grid-row:span 2}
  .mosaic-item:nth-child(2),.mosaic-item:nth-child(3){grid-column:span 3;grid-row:span 2}
  .mosaic-item:nth-child(4),.mosaic-item:nth-child(5),.mosaic-item:nth-child(6){grid-column:span 3;grid-row:span 2}
  .signup-grid{grid-template-columns:1fr;gap:40px}
  .post-card--main{grid-column:span 12;grid-row:auto}
  .post-card--side{grid-column:span 12}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .badge-row{grid-template-columns:1fr 1fr;gap:12px}
  .stat-pill{padding:14px 10px}
  .stat-pill .num{font-size:19px}
  .feat-card{padding:24px}
  .mosaic{grid-auto-rows:88px;gap:12px}
  .mosaic-item:nth-child(n){grid-column:span 6;grid-row:span 2}
  .post-card--side{flex-direction:column}
  .post-card--side .post-card__thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9}
  .post-card--main .post-card__body{padding:24px}
  .accordion-button{font-size:16px;padding:18px 20px}
  .accordion-body{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr}
  .cd-num{min-width:38px;height:30px;font-size:17px}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%}
}

/* roulang page: article */
:root{
  --c-bg:#0A0712;
  --c-bg-2:#140E22;
  --c-card:#1A1229;
  --c-line:rgba(255,255,255,.10);
  --c-primary:#FF2E88;
  --c-ai:#7B5CFF;
  --c-accent:#21E6C1;
  --c-badge:#FFC53D;
  --c-text:#F5F1FF;
  --c-text-2:#B9AEE0;
  --c-text-3:#7E749B;
  --grad-brand:linear-gradient(120deg,#FF2E88,#7B5CFF 55%,#21E6C1);
  --r-lg:24px;
  --r-md:16px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 18px 50px rgba(255,46,136,.18);
  --bs-body-bg:#0A0712;
  --bs-body-color:#F5F1FF;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-primary:#FF2E88;
  --bs-secondary:#7B5CFF;
  --bs-link-color:#21E6C1;
  --bs-link-hover-color:#FF2E88;
  --bs-font-sans-serif:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,opacity .25s ease;}
a:hover{color:var(--c-accent);}
p{margin:0 0 1em;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(255,46,136,.35);color:#fff;}
.container{width:100%;max-width:1280px;margin-inline:auto;padding-inline:24px;}

/* ---------------- header ---------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(10,7,18,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.site-header::after{content:"";display:block;height:1px;background:var(--grad-brand);opacity:.5;}
.site-header .navbar{padding:12px 0;align-items:center;gap:18px;flex-wrap:wrap;}
.brand{display:flex;flex-direction:column;line-height:1.15;}
.brand__main{
  font-size:20px;font-weight:800;letter-spacing:-.02em;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  filter:drop-shadow(0 0 14px rgba(255,46,136,.25));
}
.brand__sub{font-size:12px;color:var(--c-text-3);letter-spacing:.02em;margin-top:2px;}
.nav-list{list-style:none;display:flex;align-items:center;gap:6px;margin:0;padding:0;}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;font-size:15px;font-weight:500;
  color:var(--c-text-2);border-radius:var(--r-pill);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.nav-link:hover{color:var(--c-text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:#fff;text-shadow:0 0 12px rgba(255,46,136,.55);}
.nav-link.active::after{transform:scaleX(1);}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#fff;
  background:var(--grad-brand);background-size:180% 100%;background-position:0% 50%;
  box-shadow:0 8px 24px rgba(255,46,136,.24);
  transition:transform .3s ease,box-shadow .3s ease,background-position .35s ease;
}
.btn-grad:hover{transform:translateY(-2px);color:#fff;background-position:100% 50%;box-shadow:0 14px 36px rgba(255,46,136,.4);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 22px;border-radius:var(--r-pill);
  border:1px solid rgba(33,230,193,.45);
  color:var(--c-accent);font-weight:600;font-size:15px;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease;
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(33,230,193,.08);color:var(--c-accent);box-shadow:0 12px 30px rgba(33,230,193,.18);}
.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:40px;padding:0 10px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--c-line);border-radius:12px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-text-2);}
.nav-toggle:focus{box-shadow:none;}

/* ---------------- page hero ---------------- */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  overflow:hidden;
  background-image:linear-gradient(180deg,rgba(10,7,18,.74),rgba(10,7,18,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 300px at 12% 0%,rgba(255,46,136,.20),transparent 70%),
    radial-gradient(520px 260px at 88% 10%,rgba(33,230,193,.14),transparent 72%);
}
.page-hero .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:20px;}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{opacity:.55;}
.crumb .cur{max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-text-2);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  color:var(--c-accent);
  background:rgba(33,230,193,.10);
  border:1px solid rgba(33,230,193,.32);
}
.article-hero h1{
  font-size:clamp(26px,3.6vw,42px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--c-text);
  margin:18px 0 20px;
  max-width:26ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;font-size:13.5px;color:var(--c-text-3);}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta span::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px rgba(255,46,136,.85);
}

/* ---------------- article body ---------------- */
.article-main{padding:56px 0 88px;}
.article-layout{max-width:820px;margin:0 auto;}
.article-body{
  font-size:16px;
  line-height:1.85;
  color:var(--c-text-2);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 22px;}
.article-body strong{color:var(--c-text);}
.article-body em{color:var(--c-accent);font-style:normal;}
.article-body a{color:var(--c-accent);border-bottom:1px solid rgba(33,230,193,.4);}
.article-body a:hover{color:var(--c-primary);border-bottom-color:rgba(255,46,136,.6);}
.article-body h2{
  position:relative;
  margin:52px 0 20px;
  padding-left:18px;
  font-size:clamp(20px,2.3vw,26px);
  font-weight:700;
  line-height:1.45;
  letter-spacing:-.01em;
  color:var(--c-text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;
  background:var(--grad-brand);
  box-shadow:0 0 14px rgba(255,46,136,.5);
}
.article-body h3{margin:36px 0 14px;font-size:19px;font-weight:700;color:var(--c-accent);letter-spacing:-.01em;}
.article-body h4{margin:28px 0 12px;font-size:17px;font-weight:700;color:var(--c-text);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px;}
.article-body li{margin-bottom:10px;}
.article-body ul li::marker{color:var(--c-primary);}
.article-body ol li::marker{color:var(--c-badge);font-weight:700;}
.article-body blockquote{
  position:relative;
  margin:28px 0;
  padding:18px 24px 18px 28px;
  border-radius:var(--r-md);
  color:var(--c-text);
  background:linear-gradient(90deg,rgba(123,92,255,.16),rgba(26,18,41,.5));
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:2px;
  background:var(--grad-brand);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:20px;margin:24px auto;box-shadow:var(--sh-1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-text-3);margin-top:10px;}
.article-body table{
  width:100%;
  margin:26px 0;
  font-size:14.5px;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--c-line);
  border-radius:16px;
  overflow:hidden;
}
.article-body thead th{background:rgba(123,92,255,.18);color:var(--c-text);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.025);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{background:rgba(255,46,136,.12);color:#FFB3D6;padding:2px 8px;border-radius:8px;font-size:14px;}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:36px 0;}

/* ---------------- empty ---------------- */
.article-empty{text-align:center;padding:64px 24px;}
.article-empty .ico{
  width:66px;height:66px;margin:0 auto 20px;border-radius:50%;
  display:grid;place-items:center;
  font-size:28px;color:var(--c-primary);
  background:rgba(255,46,136,.1);
  border:1px solid rgba(255,46,136,.3);
}
.article-empty h2{font-size:22px;color:var(--c-text);margin-bottom:12px;}
.article-empty p{color:var(--c-text-3);margin-bottom:24px;}

/* ---------------- post nav & related ---------------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:52px;}
.post-nav a{
  display:block;padding:20px 22px;border-radius:var(--r-md);
  background:var(--c-card);border:1px solid var(--c-line);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.post-nav a:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.4);box-shadow:var(--sh-glow);color:inherit;}
.post-nav .k{display:block;font-size:12.5px;color:var(--c-text-3);margin-bottom:8px;letter-spacing:.04em;}
.post-nav .t{display:block;font-size:16px;font-weight:600;color:var(--c-text);line-height:1.6;}
.post-nav a:hover .t{color:var(--c-accent);}

.back-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:36px;}

.related{margin-top:72px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.related-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.01em;color:var(--c-text);margin:0;}
.related-head p{margin:6px 0 0;font-size:14px;color:var(--c-text-3);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:block;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(26,18,41,.95),rgba(20,14,34,.95));
  border:1px solid var(--c-line);
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.4);box-shadow:var(--sh-glow);color:inherit;}
.rel-card__media{aspect-ratio:16/10;overflow:hidden;}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.rel-card:hover .rel-card__media img{transform:scale(1.06);}
.rel-card__body{padding:20px 22px 24px;}
.rel-card__body h3{font-size:17px;font-weight:700;color:var(--c-text);margin:0 0 10px;line-height:1.5;}
.rel-card__body p{font-size:14px;color:var(--c-text-3);margin:0;line-height:1.7;}
.rel-card__body .more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--c-accent);}

/* ---------------- footer ---------------- */
.site-footer{background:var(--c-bg-2);border-top:1px solid var(--c-line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand__main{
  font-size:19px;font-weight:800;letter-spacing:-.01em;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-brand p{color:var(--c-text-3);font-size:14px;line-height:1.85;margin:14px 0 0;max-width:40ch;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--c-text);margin:0 0 16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col a{color:var(--c-text-2);font-size:14px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-bottom{
  position:relative;margin-top:48px;padding-top:20px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}
.footer-bottom::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.45;}

/* ---------------- responsive ---------------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .site-header .navbar-collapse{
    background:rgba(20,14,34,.98);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    padding:8px 16px 16px;
    margin-top:12px;
    box-shadow:var(--sh-1);
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;margin-top:12px;}
  .nav-link{padding:12px 14px;}
  .nav-link::after{display:none;}
  .nav-cta{width:100%;margin:14px 0 4px;}
  .page-hero{padding:40px 0 38px;}
  .article-hero h1{max-width:none;}
  .article-main{padding:40px 0 64px;}
  .post-nav{grid-template-columns:1fr;margin-top:40px;}
  .related{margin-top:56px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .container{padding-inline:18px;}
  .article-body h2{margin-top:38px;}
  .article-body h3{margin-top:28px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;}
}
@media (max-width:520px){
  .brand__main{font-size:18px;}
  .brand__sub{font-size:11px;}
  .btn-grad,.btn-ghost{width:100%;}
  .back-row .btn-grad,.back-row .btn-ghost{width:auto;}
}

/* roulang page: category1 */
:root{
  --c-bg:#0A0712;
  --c-bg-2:#140E22;
  --c-card:#1A1229;
  --c-line:rgba(255,255,255,.10);
  --c-primary:#FF2E88;
  --c-ai:#7B5CFF;
  --c-accent:#21E6C1;
  --c-badge:#FFC53D;
  --c-text:#F5F1FF;
  --c-text-2:#B9AEE0;
  --c-text-3:#7E749B;
  --grad-brand:linear-gradient(120deg,#FF2E88,#7B5CFF 55%,#21E6C1);
  --grad-soft:linear-gradient(120deg,rgba(255,46,136,.18),rgba(123,92,255,.14) 55%,rgba(33,230,193,.14));
  --r-lg:24px;
  --r-md:16px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 18px 50px rgba(255,46,136,.18);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:72px; --sp-8:96px;

  --bs-body-bg:#0A0712;
  --bs-body-color:#F5F1FF;
  --bs-border-color:rgba(255,255,255,.10);
  --bs-primary:#FF2E88;
  --bs-primary-rgb:255,46,136;
  --bs-link-color:#FF2E88;
  --bs-link-hover-color:#21E6C1;
  --bs-font-sans-serif:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 12% -8%, rgba(255,46,136,.16), transparent 62%),
    radial-gradient(900px 460px at 92% 4%, rgba(123,92,255,.16), transparent 60%),
    var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background-position .35s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;margin:0;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,46,136,.4);color:#fff}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,7,18,.84);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad-brand);opacity:.7;
}
.navbar{padding:14px 0;align-items:center;gap:16px;flex-wrap:nowrap}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.1}
.brand__main{
  font-size:20px;font-weight:800;letter-spacing:-.02em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand__sub{font-size:12px;color:var(--c-text-3);letter-spacing:.04em}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:rgba(255,255,255,.03);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:.25s}
.navbar-collapse{display:flex!important;flex-wrap:nowrap;align-items:center;gap:24px}
.nav-list{display:flex;align-items:center;gap:26px;margin:0}
.nav-link{
  position:relative;display:inline-block;padding:8px 2px;
  font-size:15px;font-weight:600;color:var(--c-text-2);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--c-text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;text-shadow:0 0 14px rgba(255,46,136,.6)}
.nav-link.active::after{transform:scaleX(1)}

.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border:0;border-radius:var(--r-pill);
  background-image:var(--grad-brand);background-size:200% 100%;background-position:0 50%;
  color:#140A1C;font-weight:800;font-size:15px;white-space:nowrap;
  box-shadow:0 8px 24px rgba(255,46,136,.28);
  transition:background-position .35s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-grad:hover{background-position:100% 50%;transform:translateY(-2px);color:#140A1C;box-shadow:0 14px 34px rgba(255,46,136,.4)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  border:1px solid rgba(33,230,193,.5);color:var(--c-text);
  background:rgba(33,230,193,.05);font-weight:700;font-size:15px;
  transition:transform .25s ease,border-color .25s ease,background .25s ease,color .25s ease;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-accent);background:rgba(33,230,193,.12);color:#fff}
.nav-cta{padding:11px 22px;font-size:14px}

/* ---------- 页面小标签 / 通用 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,197,61,.4);background:rgba(255,197,61,.08);
  color:var(--c-badge);font-size:13px;font-weight:700;letter-spacing:.04em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-badge);box-shadow:0 0 10px var(--c-badge)}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:14px}
.section-head p{color:var(--c-text-2);font-size:16px}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.divider-grad{height:1px;background:var(--grad-brand);opacity:.35;border:0;margin:0}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:76px 0 72px;
  background-image:linear-gradient(rgba(10,7,18,.72),rgba(10,7,18,.9)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.cat-hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cat-hero h1{font-size:clamp(30px,4.6vw,52px);margin:18px 0 20px}
.cat-hero__lead{color:var(--c-text-2);font-size:17px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-panel{
  background:linear-gradient(180deg,rgba(26,18,41,.94),rgba(20,14,34,.9));
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);position:relative;
}
.hero-panel::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;
  background:var(--grad-brand);opacity:.35;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.hero-panel h3{font-size:18px;margin-bottom:16px}
.hero-steps{display:grid;gap:14px}
.hero-steps li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--c-text-2)}
.step-no{
  flex:0 0 26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#140A1C;background-image:var(--grad-brand);
  font-variant-numeric:tabular-nums;
}
.badge-strip{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.badge-pill{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 20px;border-radius:var(--r-pill);
  border:1px solid rgba(255,197,61,.42);background:rgba(255,197,61,.06);
}
.badge-pill b{font-size:22px;color:var(--c-badge);font-variant-numeric:tabular-nums;font-weight:800;line-height:1.2}
.badge-pill span{font-size:12px;color:var(--c-text-3)}

/* ---------- 分类页主体：左目录 + 右分区卡 ---------- */
.layout-2col{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:start}
.anchor-nav{
  position:sticky;top:104px;
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(26,18,41,.9),rgba(20,14,34,.78));
  padding:20px;box-shadow:var(--sh-1);
}
.anchor-nav h3{font-size:14px;color:var(--c-text-3);letter-spacing:.08em;margin-bottom:14px;font-weight:700}
.anchor-nav ul{display:grid;gap:6px}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:12px;font-size:14px;color:var(--c-text-2);
  border-left:2px solid transparent;
}
.anchor-nav a:hover{background:rgba(255,46,136,.1);color:#fff;border-left-color:var(--c-primary)}
.anchor-nav .anchor-sub{font-size:13px;color:var(--c-text-3);padding-left:12px}

.spec-list{display:grid;gap:28px}
.spec-card{
  border:1px solid var(--c-line);border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(26,18,41,.92),rgba(20,14,34,.82));
  padding:30px;box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  scroll-margin-top:110px;
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.42);box-shadow:var(--sh-glow)}
.spec-card__top{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.03em;
  border:1px solid rgba(123,92,255,.45);background:rgba(123,92,255,.12);color:#C9BAFF;
}
.tag--pink{border-color:rgba(255,46,136,.45);background:rgba(255,46,136,.12);color:#FF9AC6}
.tag--cyan{border-color:rgba(33,230,193,.42);background:rgba(33,230,193,.1);color:#8CF0DE}
.spec-card h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px}
.spec-card h2::before{
  content:"";display:inline-block;width:18px;height:3px;border-radius:3px;
  background:var(--grad-brand);margin-right:10px;vertical-align:middle;
}
.spec-card p{color:var(--c-text-2);font-size:15.5px}
.spec-media{
  margin:24px 0;border-radius:20px;overflow:hidden;position:relative;
  aspect-ratio:16/9;border:1px solid var(--c-line);
}
.spec-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.spec-card:hover .spec-media img{transform:scale(1.04)}
.spec-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#EADFF7;
  background:linear-gradient(180deg,transparent,rgba(10,7,18,.92));
}
.check-list{display:grid;gap:12px;margin-top:22px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--c-text-2)}
.check-list li::before{
  content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 10px rgba(33,230,193,.7);
}
.check-list li b{color:var(--c-text);font-weight:700}

/* ---------- 上手路径时间线 ---------- */
.flow-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.flow-card{
  border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;
  background:linear-gradient(180deg,rgba(26,18,41,.86),rgba(20,14,34,.74));
  transition:transform .3s ease,border-color .3s ease;
}
.flow-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.4)}
.flow-card b{display:block;font-size:14px;color:var(--c-accent);font-variant-numeric:tabular-nums;margin-bottom:10px;letter-spacing:.06em}
.flow-card h3{font-size:19px;margin-bottom:10px}
.flow-card p{color:var(--c-text-2);font-size:14.5px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px}
.accordion-item{
  background:linear-gradient(180deg,rgba(26,18,41,.88),rgba(20,14,34,.76));
  border:1px solid rgba(255,46,136,.25);border-radius:var(--r-md)!important;
  margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--c-text);font-size:18px;font-weight:600;
  padding:20px 22px;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:#fff;background:rgba(255,46,136,.08)}
.accordion-button::after{
  content:"＋";display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;border:1px solid rgba(255,46,136,.5);
  color:var(--c-primary);font-size:15px;line-height:1;background-image:none;
  transition:transform .3s ease;flex:0 0 26px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--c-accent);border-color:rgba(33,230,193,.6)}
.accordion-body{padding:4px 22px 22px;color:var(--c-text-2);font-size:15px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  background-image:linear-gradient(120deg,rgba(255,46,136,.2),rgba(123,92,255,.16) 55%,rgba(33,230,193,.16)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  padding:52px;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px}
.cta-band p{color:var(--c-text-2);font-size:15.5px;max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--c-line);background:rgba(10,7,18,.9);padding:64px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand__main{
  font-size:20px;font-weight:800;display:inline-block;margin-bottom:14px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-brand p{color:var(--c-text-2);font-size:14px;max-width:380px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--c-text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--c-text-2);font-size:14px}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid transparent;
  border-image:var(--grad-brand) 1;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}

@media (max-width:1200px){
  .cat-hero__grid{grid-template-columns:1fr;gap:36px}
  .cta-band{grid-template-columns:1fr;padding:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:1024px){
  .layout-2col{grid-template-columns:1fr}
  .anchor-nav{position:static;margin-bottom:28px}
  .anchor-nav ul{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto;gap:8px;padding-bottom:4px}
  .anchor-nav a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent}
  .anchor-nav a:hover{border-left:0;border-bottom-color:var(--c-primary)}
  .anchor-nav .anchor-sub{display:none}
  .flow-3{grid-template-columns:1fr}
}
@media (max-width:991.98px){
  .navbar-collapse{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:8px;
    background:rgba(14,10,24,.98);border-bottom:1px solid var(--c-line);
    padding:18px 24px 24px;display:none!important;
  }
  .navbar-collapse.show{display:flex!important}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:12px 4px;font-size:16px}
  .nav-cta{width:100%;margin-top:10px}
  .section{padding:56px 0}
  .cat-hero{padding:52px 0}
  .brand__sub{display:none}
}
@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .spec-card{padding:22px}
  .cta-band{padding:30px}
  .badge-pill{flex:1 1 42%}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .footer-grid{grid-template-columns:1fr}
  .cat-hero h1{font-size:28px}
  .badge-pill{flex:1 1 100%}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%}
}

/* roulang page: category2 */
:root{
  --c-bg:#0A0712;--c-bg-2:#140E22;--c-card:#1A1229;--c-line:rgba(255,255,255,.10);
  --c-primary:#FF2E88;--c-ai:#7B5CFF;--c-accent:#21E6C1;--c-badge:#FFC53D;
  --c-text:#F5F1FF;--c-text-2:#B9AEE0;--c-text-3:#7E749B;
  --grad-brand:linear-gradient(120deg,#FF2E88,#7B5CFF 55%,#21E6C1);
  --r-lg:24px;--r-md:16px;--r-pill:999px;
  --sh-1:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 18px 50px rgba(255,46,136,.18);
  --s-1:8px;--s-2:12px;--s-3:16px;--s-4:24px;--s-5:32px;--s-6:48px;--s-7:72px;--s-8:96px;
  --bs-body-bg:#0A0712;--bs-body-color:#F5F1FF;--bs-border-color:rgba(255,255,255,.10);
  --bs-primary:#FF2E88;--bs-link-color:#B9AEE0;--bs-link-hover-color:#FF2E88;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);overflow-x:hidden;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn-grad{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border:0;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  color:#0A0712;background:var(--grad-brand);background-size:190% 100%;background-position:0 0;
  cursor:pointer;transition:transform .3s ease,box-shadow .3s ease,background-position .35s ease;
}
.btn-grad:hover,.btn-grad:focus{color:#0A0712;transform:translateY(-2px);background-position:100% 0;box-shadow:0 12px 32px rgba(255,46,136,.34)}
.btn-grad:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  color:var(--c-text);background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.22);
  transition:transform .3s ease,border-color .25s ease,color .25s ease,box-shadow .3s ease;
}
.btn-ghost:hover{color:var(--c-accent);border-color:rgba(33,230,193,.6);transform:translateY(-2px);box-shadow:0 10px 26px rgba(33,230,193,.14)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,7,18,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-brand);opacity:.6}
.navbar{display:flex;align-items:center;gap:24px;padding:14px 0;flex-wrap:wrap}
.brand{display:flex;flex-direction:column;line-height:1.2;flex:0 0 auto}
.brand__main{
  font-size:18px;font-weight:800;letter-spacing:-.02em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand__sub{font-size:12px;color:var(--c-text-3);letter-spacing:.02em}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;padding:11px 10px;flex-direction:column;
  justify-content:center;gap:5px;border:1px solid var(--c-line);border-radius:12px;
  background:rgba(255,255,255,.03);cursor:pointer;
}
.nav-toggle:focus{box-shadow:none}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--c-text)}
.navbar-collapse{display:flex;align-items:center;flex:1 1 auto;gap:16px}
.nav-list{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-text-2);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav-link:hover{color:var(--c-text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;text-shadow:0 0 16px rgba(255,46,136,.7)}
.nav-link.active::after{transform:scaleX(1)}
.nav-cta{padding:11px 22px;font-size:14px;white-space:nowrap}

/* ---------- 内页 hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:64px 0 72px;background:var(--c-bg-2)}
.page-hero__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.5}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,7,18,.62),rgba(10,7,18,.9) 58%,var(--c-bg))}
.page-hero .container{position:relative;z-index:1}
.breadcrumb-nav{display:flex;align-items:center;gap:10px;margin-bottom:26px;font-size:14px;color:var(--c-text-3)}
.breadcrumb-nav a{color:var(--c-text-2)}
.breadcrumb-nav a:hover{color:var(--c-primary)}
.breadcrumb-nav .sep{color:var(--c-text-3)}
.breadcrumb-nav .current{color:var(--c-primary);font-weight:600}
.page-hero__grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;letter-spacing:.05em;color:var(--c-accent);
  border:1px solid rgba(33,230,193,.35);background:rgba(33,230,193,.07);
}
.page-hero h1{margin:18px 0 16px;font-size:clamp(30px,4.6vw,52px);line-height:1.18}
.page-hero h1 .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero__lead{max-width:640px;font-size:16px;line-height:1.8;color:var(--c-text-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-side{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:4/3}
.hero-side img{width:100%;height:100%}
.hero-side::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,7,18,.05) 45%,rgba(10,7,18,.75))}
.hero-float{
  position:absolute;right:16px;bottom:16px;z-index:2;display:flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);background:rgba(10,7,18,.82);
  border:1px solid rgba(255,197,61,.5);backdrop-filter:blur(6px);
}
.hero-float .num{font-size:22px;font-weight:800;color:var(--c-badge);font-variant-numeric:tabular-nums}
.hero-float .txt{font-size:13px;color:var(--c-text-2)}

/* ---------- 数据徽章带 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-32px;position:relative;z-index:3}
.stat-pill{
  display:flex;flex-direction:column;gap:2px;padding:18px 22px;border-radius:var(--r-md);
  background:var(--c-card);border:1px solid rgba(255,197,61,.28);box-shadow:var(--sh-1);
}
.stat-pill .num{font-size:22px;font-weight:800;color:var(--c-badge);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-pill .label{font-size:12px;color:var(--c-text-3)}

/* ---------- 通用板块 ---------- */
.section{position:relative;padding:96px 0}
.section--alt{background:var(--c-bg-2)}
.sec-head{margin-bottom:44px}
.sec-label{display:inline-block;font-size:13px;letter-spacing:.16em;color:var(--c-accent);text-transform:uppercase}
.sec-title{margin:12px 0 14px;font-size:clamp(22px,3vw,34px)}
.sec-desc{max-width:760px;font-size:15px;color:var(--c-text-2)}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}

/* ---------- 筛选条 ---------- */
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px}
.filter-tab{
  padding:9px 20px;border-radius:var(--r-pill);font-size:14px;font-weight:600;cursor:pointer;
  color:var(--c-text-2);background:rgba(255,255,255,.03);border:1px solid var(--c-line);
  transition:color .25s ease,border-color .25s ease,box-shadow .3s ease,background .25s ease;
}
.filter-tab:hover{color:var(--c-text);border-color:rgba(255,46,136,.45)}
.filter-tab.is-active{
  color:#fff;background:rgba(255,46,136,.12);border-color:rgba(255,46,136,.85);
  box-shadow:0 0 0 1px rgba(255,46,136,.35),0 10px 26px rgba(255,46,136,.2);
  text-shadow:0 0 12px rgba(255,46,136,.55);
}
.filter-count{font-size:14px;color:var(--c-text-3)}
.filter-count b{color:var(--c-badge);font-variant-numeric:tabular-nums}

/* ---------- 图墙 ---------- */
.gallery-section{position:relative;overflow:hidden;padding:96px 0;background:var(--c-bg-2)}
.gallery-section__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.22}
.gallery-section__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--c-bg),rgba(10,7,18,.66) 40%,var(--c-bg))}
.gallery-section .container{position:relative;z-index:1}
.mosaic{display:flex;align-items:flex-start;gap:16px}
.mosaic__col{flex:1 1 0;min-width:0;display:flex;flex-direction:column;gap:16px}
.g-item{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--c-line);
  background:var(--c-card);box-shadow:var(--sh-1);
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease,opacity .35s ease,filter .35s ease;
}
.g-item:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.45);box-shadow:var(--sh-glow)}
.g-item__media{position:relative;width:100%;overflow:hidden}
.g-item__media img{width:100%;height:100%;transition:transform .55s ease}
.g-item:hover .g-item__media img{transform:scale(1.04)}
.g-item--wide .g-item__media{aspect-ratio:4/3}
.g-item--tall .g-item__media{aspect-ratio:3/4}
.g-item--square .g-item__media{aspect-ratio:1/1}
.g-item--banner .g-item__media{aspect-ratio:16/9}
.g-item__mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:20px;gap:6px;background:linear-gradient(180deg,rgba(10,7,18,0) 38%,rgba(10,7,18,.9));
  transition:background .35s ease;
}
.g-item:hover .g-item__mask{background:linear-gradient(120deg,rgba(255,46,136,.55),rgba(123,92,255,.45) 55%,rgba(33,230,193,.45))}
.g-badge{
  position:absolute;top:14px;left:14px;z-index:2;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--c-badge);background:rgba(10,7,18,.72);
  border:1px solid rgba(255,197,61,.5);backdrop-filter:blur(6px);
}
.g-title{font-size:16px;font-weight:700;color:#fff}
.g-cap{font-size:13px;line-height:1.6;color:var(--c-text-2)}
.g-item:hover .g-cap{color:rgba(255,255,255,.92)}
.mosaic.is-filtered .g-item{opacity:.22;filter:saturate(.35)}
.mosaic.is-filtered .g-item.is-match{opacity:1;filter:none;border-color:rgba(255,46,136,.6);box-shadow:var(--sh-glow)}
.g-item[hidden]{display:none}

/* ---------- 两栏提示卡 ---------- */
.note-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.note-card{
  position:relative;padding:30px;border-radius:var(--r-lg);background:var(--c-card);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.note-card:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.4);box-shadow:var(--sh-glow)}
.note-card__ico{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
  border-radius:14px;font-size:19px;color:#0A0712;background:var(--grad-brand);margin-bottom:18px;
}
.note-card h3{font-size:19px;margin-bottom:12px}
.note-card p{font-size:15px;color:var(--c-text-2)}
.note-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.note-list li{position:relative;padding-left:20px;font-size:14px;color:var(--c-text-2)}
.note-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-brand);
}

/* ---------- CTA 表单区 ---------- */
.cta-band{position:relative;overflow:hidden;padding:96px 0;background:var(--c-bg-2)}
.cta-band__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.34}
.cta-band__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,7,18,.94),rgba(20,14,34,.78))}
.cta-band .container{position:relative;z-index:1}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cta-copy h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:16px}
.cta-copy p{font-size:16px;color:var(--c-text-2);max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--c-text-2);background:rgba(255,255,255,.04);border:1px solid var(--c-line);
}
.tag-pill i{color:var(--c-accent)}
.form-card{padding:30px;border-radius:var(--r-lg);background:var(--c-card);border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card__tip{font-size:13px;color:var(--c-text-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:8px;font-size:13px;color:var(--c-text-2)}
.field input{
  width:100%;padding:13px 16px;font-size:15px;color:var(--c-text);background:var(--c-bg-2);
  border:1px solid var(--c-line);border-radius:12px;transition:border-color .25s ease,box-shadow .25s ease;
}
.field input::placeholder{color:var(--c-text-3)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,46,136,.18)}
.form-card .btn-grad{width:100%;margin-top:6px}
.form-note{margin-top:14px;font-size:12px;color:var(--c-text-3);text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-bg);padding:72px 0 28px;border-top:1px solid var(--c-line)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.6}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand__main{
  display:inline-block;font-size:20px;font-weight:800;margin-bottom:14px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--c-text-3);max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--c-text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--c-text-3)}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;font-size:13px;color:var(--c-text-3);
}
.footer-bottom::before{content:"";position:absolute;left:0;right:0;height:1px;background:var(--grad-brand);opacity:.35}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .page-hero__grid{gap:32px}
  .cta-grid{gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .section,.gallery-section,.cta-band{padding:64px 0}
  .page-hero{padding:44px 0 60px}
  .nav-toggle{display:flex}
  .navbar-collapse{
    position:absolute;top:100%;left:24px;right:24px;padding:18px;margin-top:10px;
    flex-direction:column;align-items:stretch;gap:8px;border-radius:var(--r-lg);
    background:rgba(20,14,34,.98);border:1px solid var(--c-line);box-shadow:var(--sh-1);
  }
  .nav-list{flex-direction:column;align-items:stretch;margin-left:0;gap:4px}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-link::after{left:14px;right:auto;width:26px}
  .nav-cta{width:100%;margin-top:8px}
  .page-hero__grid{grid-template-columns:1fr}
  .hero-side{max-width:520px}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:24px}
  .mosaic{flex-wrap:wrap}
  .mosaic__col{flex:1 1 46%}
  .note-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .section,.gallery-section,.cta-band{padding:56px 0}
  .page-hero{padding:36px 0 52px}
  .sec-head{margin-bottom:32px}
  .section{padding:56px 0}
  .mosaic__col{flex:1 1 100%}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px}
  .stat-pill{padding:14px 16px}
  .filter-bar{align-items:flex-start}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%}
}
@media (max-width:519.98px){
  .stat-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .filter-tab{padding:8px 16px;font-size:13px}
  .note-card,.form-card{padding:22px}
}

/* roulang page: category3 */
:root{
  --c-bg:#0A0712;--c-bg-2:#140E22;--c-card:#1A1229;--c-line:rgba(255,255,255,.10);
  --c-primary:#FF2E88;--c-ai:#7B5CFF;--c-accent:#21E6C1;--c-badge:#FFC53D;
  --c-text:#F5F1FF;--c-text-2:#B9AEE0;--c-text-3:#7E749B;
  --grad-brand:linear-gradient(120deg,#FF2E88,#7B5CFF 55%,#21E6C1);
  --r-lg:24px;--r-md:16px;--r-sm:12px;--r-pill:999px;
  --sh-1:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(255,46,136,.35),0 18px 50px rgba(255,46,136,.18);
  --s-1:8px;--s-2:12px;--s-3:16px;--s-4:24px;--s-5:32px;--s-6:48px;--s-7:72px;--s-8:96px;
  --bs-body-bg:#0A0712;--bs-body-color:#F5F1FF;--bs-border-color:rgba(255,255,255,.10);--bs-primary:#FF2E88;
  --bs-link-color:#21E6C1;--bs-link-hover-color:#FF2E88;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-text);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(10,7,18,.86);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.site-header::after{content:"";display:block;height:1px;background:var(--grad-brand);opacity:.65}
.site-header .navbar{padding:14px 0;display:flex;align-items:center;gap:24px}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.1}
.brand__main{font-size:20px;font-weight:800;letter-spacing:-.02em;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand__sub{font-size:12px;color:var(--c-text-3);letter-spacing:.04em}
.nav-list{display:flex;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;color:var(--c-text-2);
  font-size:15px;font-weight:600;border-radius:var(--r-pill);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--grad-brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.nav-link:hover{color:var(--c-text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:#fff;text-shadow:0 0 14px rgba(255,46,136,.7)}
.nav-link.active::after{transform:scaleX(1)}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border:none;border-radius:var(--r-pill);cursor:pointer;
  font-size:15px;font-weight:700;color:#160A16;
  background:var(--grad-brand);background-size:200% 100%;background-position:0% 50%;
  transition:transform .3s ease,box-shadow .3s ease,background-position .35s ease;
  box-shadow:0 8px 24px rgba(255,46,136,.28);
}
.btn-grad:hover{transform:translateY(-2px);background-position:100% 50%;box-shadow:var(--sh-glow);color:#160A16}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);cursor:pointer;
  font-size:15px;font-weight:700;color:var(--c-text);
  background:transparent;border:1px solid rgba(33,230,193,.55);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease,color .3s ease;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--c-accent);color:var(--c-accent);box-shadow:0 0 0 4px rgba(33,230,193,.10)}
.nav-cta{margin-left:16px;padding:11px 22px;font-size:14px}
.nav-toggle{
  margin-left:auto;width:44px;height:40px;border:1px solid var(--c-line);border-radius:12px;
  background:var(--c-bg-2);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--c-text-2);border-radius:2px}
.nav-toggle:focus{box-shadow:none}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:88px 0 72px;
  background-image:linear-gradient(rgba(10,7,18,.72),rgba(10,7,18,.86)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 380px at 12% 18%,rgba(255,46,136,.20),transparent 62%),
             radial-gradient(620px 320px at 88% 78%,rgba(33,230,193,.14),transparent 66%);
  pointer-events:none;
}
.cat-hero__inner{position:relative;display:grid;grid-template-columns:1.35fr .85fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;margin-bottom:20px;
  border-radius:var(--r-pill);border:1px solid rgba(255,197,61,.45);
  background:rgba(255,197,61,.08);color:var(--c-badge);
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.cat-hero h1{font-size:clamp(30px,4.6vw,52px);margin-bottom:20px}
.cat-hero h1 em{
  font-style:normal;background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--c-text-2);font-size:17px;max-width:620px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{
  position:relative;border-radius:var(--r-lg);border:1px solid var(--c-line);
  background:linear-gradient(160deg,rgba(26,18,41,.94),rgba(20,14,34,.88));
  padding:28px;box-shadow:var(--sh-1);
}
.hero-panel::after{
  content:"";position:absolute;inset:-1px;border-radius:var(--r-lg);pointer-events:none;
  background:var(--grad-brand);opacity:.16;mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1px;
}
.hero-panel h2{font-size:17px;margin-bottom:18px;color:var(--c-text)}
.mini-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line)}
.mini-row:last-child{border-bottom:none;padding-bottom:0}
.mini-row span:first-child{color:var(--c-text-2);font-size:14px}
.mini-row span:last-child{font-weight:800;font-size:20px;color:var(--c-badge)}

/* ---------- 数据徽章带 ---------- */
.badge-band{padding:56px 0 8px}
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.data-badge{
  border-radius:var(--r-pill);border:1px solid rgba(255,197,61,.36);
  background:rgba(255,197,61,.06);padding:18px 24px;text-align:center;
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.data-badge:hover{transform:translateY(-4px);border-color:var(--c-badge);background:rgba(255,197,61,.11)}
.data-badge strong{display:block;font-size:24px;font-weight:800;color:var(--c-badge);font-variant-numeric:tabular-nums}
.data-badge small{display:block;margin-top:6px;font-size:12px;color:var(--c-text-3);letter-spacing:.04em}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head .kicker{
  display:inline-block;margin-bottom:14px;font-size:13px;font-weight:700;
  letter-spacing:.12em;color:var(--c-accent);text-transform:uppercase;
}
.section-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:16px}
.section-head p{color:var(--c-text-2)}
.section--alt{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}

/* ---------- 参数对照卡片 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.compare-card{
  border-radius:var(--r-lg);border:1px solid var(--c-line);background:var(--c-card);
  padding:26px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.compare-card:hover{transform:translateY(-4px);border-color:rgba(255,46,136,.42);box-shadow:var(--sh-1)}
.compare-card__head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.compare-card__icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(123,92,255,.16);color:var(--c-accent);font-size:17px;
}
.compare-card__head h3{font-size:19px}
.compare-card__head small{display:block;font-size:12px;color:var(--c-text-3);font-weight:500}
.compare-line{
  display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:start;
  padding:14px;border-radius:var(--r-md);background:var(--c-bg-2);margin-bottom:10px;
}
.compare-line:last-child{margin-bottom:0}
.compare-line b{font-size:13px;color:var(--c-text-3);font-weight:700;letter-spacing:.04em;padding-top:2px}
.compare-line span{font-size:15px;color:var(--c-text-2);line-height:1.7}
.compare-line--on{background:linear-gradient(120deg,rgba(255,46,136,.14),rgba(33,230,193,.10));border:1px solid rgba(255,46,136,.32)}
.compare-line--on b{color:var(--c-primary)}
.compare-line--on span{color:var(--c-text)}

/* ---------- 三档路径卡 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.path-card{
  position:relative;border-radius:var(--r-lg);border:1px solid var(--c-line);background:var(--c-card);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease;
}
.path-card:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.45)}
.path-card__img{aspect-ratio:16/9;background:#0d0918}
.path-card__img img{width:100%;height:100%;object-fit:cover}
.path-card__body{padding:24px}
.path-card__body h3{font-size:19px;margin-bottom:10px}
.path-card__body p{font-size:15px;color:var(--c-text-2)}
.path-card__body ul{list-style:none;margin:18px 0 0;padding:0}
.path-card__body li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:14px;color:var(--c-text-2);
}
.path-card__body li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-brand);
}
.path-tag{
  position:absolute;top:16px;left:16px;z-index:2;padding:5px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;color:#160A16;background:var(--grad-brand);
}
.path-card--feature{border-color:rgba(255,46,136,.45);box-shadow:var(--sh-glow)}

/* ---------- 折叠说明 ---------- */
.accordion-item{
  background:var(--c-card);border:1px solid rgba(255,46,136,.25)!important;
  border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--c-text);font-size:17px;font-weight:600;
  padding:20px 22px;box-shadow:none!important;gap:16px;
}
.accordion-button:not(.collapsed){background:rgba(255,46,136,.08);color:#fff}
.accordion-button::after{display:none}
.accordion-button .plus{
  margin-left:auto;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(33,230,193,.5);color:var(--c-accent);font-size:15px;line-height:1;
  transition:transform .3s ease,background .3s ease;
}
.accordion-button:not(.collapsed) .plus{transform:rotate(45deg);background:rgba(33,230,193,.14)}
.accordion-body{padding:0 22px 22px;color:var(--c-text-2);font-size:15px;line-height:1.8}

/* ---------- 两列 FAQ ---------- */
.faq-columns{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-item{
  border-radius:var(--r-lg);border:1px solid var(--c-line);background:var(--c-card);padding:24px;
  transition:transform .3s ease,border-color .3s ease;
}
.faq-item:hover{transform:translateY(-4px);border-color:rgba(33,230,193,.4)}
.faq-item h3{font-size:17px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 i{color:var(--c-primary);margin-top:3px;font-size:15px}
.faq-item p{font-size:15px;color:var(--c-text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(255,46,136,.32);
  background:linear-gradient(120deg,rgba(255,46,136,.16),rgba(123,92,255,.14) 55%,rgba(33,230,193,.12));
  padding:48px;display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px}
.cta-band p{color:var(--c-text-2);max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-actions .btn-grad,.cta-actions .btn-ghost{width:100%}

/* ---------- footer ---------- */
.site-footer{background:var(--c-bg-2);border-top:1px solid var(--c-line);padding:72px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand__main{
  display:block;font-size:20px;font-weight:800;margin-bottom:14px;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-brand p{font-size:14px;color:var(--c-text-3);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--c-text)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--c-text-2)}
.footer-col a:hover{color:var(--c-accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 28px;border-top:1px solid transparent;
  border-image:var(--grad-brand) 1;font-size:13px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .badge-grid{grid-template-columns:repeat(2,1fr)}
  .path-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .site-header .navbar{flex-wrap:wrap;gap:12px}
  .nav-toggle{display:flex}
  #mainNav{width:100%;flex-basis:100%}
  #mainNav .nav-list{flex-direction:column;align-items:stretch;gap:4px;padding:14px 0 8px}
  .nav-list .nav-link{display:block;padding:12px 14px;border-radius:var(--r-md)}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(255,46,136,.12);box-shadow:inset 0 0 0 1px rgba(255,46,136,.35)}
  .nav-cta{margin:8px 0 6px;width:100%}
  .cat-hero__inner{grid-template-columns:1fr;gap:36px}
  .cat-hero{padding:64px 0 56px}
  .section{padding:64px 0}
  .compare-grid{grid-template-columns:1fr}
  .faq-columns{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:575.98px){
  .container{padding:0 18px}
  .brand__main{font-size:18px}
  .badge-grid{grid-template-columns:1fr;gap:12px}
  .path-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .cat-hero{padding:56px 0 48px}
  .hero-lead{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .compare-line{grid-template-columns:1fr;gap:6px}
  .cta-band{padding:26px}
  .accordion-button{font-size:16px;padding:16px}
}