/* roulang page: index */
:root{
  --bg:#050A14;
  --bg-2:#0B1424;
  --bg-3:#070E1B;
  --glass:rgba(18,28,48,.72);
  --glass-2:rgba(14,22,40,.86);
  --primary:#19E3B1;
  --primary-soft:rgba(25,227,177,.14);
  --accent:#FF7A3D;
  --accent-soft:rgba(255,122,61,.14);
  --violet:#6E5BFF;
  --text:#E9F1FF;
  --text-2:#C7D4E8;
  --muted:#8FA2C0;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --shadow-card:0 24px 80px rgba(0,0,0,.45);
  --shadow-float:0 32px 90px rgba(0,0,0,.62);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  background-color:var(--bg);
  background-image:
    radial-gradient(1000px 620px at 10% -10%,rgba(25,227,177,.10),transparent 62%),
    radial-gradient(900px 540px at 94% 4%,rgba(110,91,255,.13),transparent 64%),
    linear-gradient(180deg,#050A14 0%,#070E1B 45%,#050A14 100%);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(25,227,177,.3);color:#04121A}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section.tight{padding:72px 0}
.section.alt{background:linear-gradient(180deg,rgba(11,20,36,.85),rgba(5,10,20,.2))}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:var(--primary);font-weight:700;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--violet))}
.sec-head{max-width:780px;margin-bottom:44px}
.sec-title{font-size:clamp(24px,3.2vw,40px);line-height:1.25;margin-bottom:14px}
.sec-title .hl{color:var(--primary)}
.sec-sub{color:var(--muted);font-size:16px;margin:0}
.gut{margin-left:-12px;margin-right:-12px}
.gut>.cell{padding-left:12px;padding-right:12px}
.card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:26px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  overflow:hidden;
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent)}
.card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,.4);box-shadow:var(--shadow-float)}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px;margin-bottom:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-size:15px;font-weight:700;
  letter-spacing:.01em;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  border:1px solid transparent;
}
.btn i{font-size:15px}
.btn-primary{background:linear-gradient(135deg,#19E3B1,#12C79A);color:#04161A;box-shadow:0 0 28px rgba(25,227,177,.35)}
.btn-primary:hover{color:#04161A;transform:translateY(-2px);box-shadow:0 0 40px rgba(25,227,177,.55)}
.btn-accent{background:linear-gradient(135deg,#FF7A3D,#F2611F);color:#1A0B02;box-shadow:0 0 26px rgba(255,122,61,.32)}
.btn-accent:hover{color:#1A0B02;transform:translateY(-2px);box-shadow:0 0 38px rgba(255,122,61,.5)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{color:var(--primary);border-color:rgba(25,227,177,.5);background:rgba(25,227,177,.08);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:active{transform:translateY(0) scale(.985)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.5;border:1px solid var(--line-2);background:rgba(255,255,255,.05);color:var(--text-2)}
.badge-green{color:var(--primary);border-color:rgba(25,227,177,.35);background:var(--primary-soft)}
.badge-orange{color:var(--accent);border-color:rgba(255,122,61,.35);background:var(--accent-soft)}
.badge-violet{color:#B4A9FF;border-color:rgba(110,91,255,.4);background:rgba(110,91,255,.14)}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:70;background:rgba(5,10,20,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-bar{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-side{display:flex;align-items:center;gap:26px;flex:1 1 0;min-width:0}
.nav-side.right{justify-content:flex-end;gap:16px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;font-weight:500}
.nav-link:hover{color:#fff}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(25,227,177,.85)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap;color:#fff}
.brand:hover{color:#fff}
.brand-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:15px;font-weight:900;color:#04161A;background:linear-gradient(135deg,var(--primary),var(--violet));box-shadow:0 0 24px rgba(25,227,177,.42)}
.nav-meta{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.04em}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.05);color:var(--text);align-items:center;justify-content:center;font-size:16px}
.nav-toggle:hover{color:var(--primary);border-color:rgba(25,227,177,.45)}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,10,20,.97);backdrop-filter:blur(18px)}
.mobile-menu.open{display:block}
.mobile-menu ul{padding:8px 0 16px}
.mobile-menu li a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.05)}
.mobile-menu li a:hover{color:var(--primary)}
.mobile-menu .mm-cta{padding:12px 4px 0;border-bottom:0}
.mobile-menu .mm-cta a{border-bottom:0;min-height:auto}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:84px 0 76px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.36}
.hero::after{content:"";position:absolute;inset:0;background:
  linear-gradient(100deg,rgba(5,10,20,.97) 0%,rgba(5,10,20,.86) 46%,rgba(5,10,20,.6) 100%),
  radial-gradient(620px 420px at 18% 42%,rgba(25,227,177,.18),transparent 68%)}
.hero .wrap{position:relative;z-index:3}
.hero-copy{max-width:640px}
.hero h1{font-size:clamp(30px,5vw,56px);line-height:1.18;font-weight:800;margin-bottom:18px}
.hero h1 .accent{background:linear-gradient(120deg,#19E3B1,#6E5BFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:22px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.dl-group{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 30px;font-size:13.5px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta strong{font-family:var(--mono);color:var(--text);font-weight:600;letter-spacing:.02em}
.hero-visual{position:relative;padding:14px}
.device{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-2);background:var(--glass);box-shadow:var(--shadow-float)}
.device img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3.1;filter:saturate(1.05)}
.device::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,0) 40%,rgba(5,10,20,.72) 100%)}
.float-card{position:absolute;display:inline-flex;align-items:center;gap:9px;padding:11px 16px;border-radius:999px;background:var(--glass-2);border:1px solid var(--line-2);font-size:13.5px;box-shadow:var(--shadow-card);backdrop-filter:blur(12px)}
.float-card i{color:var(--primary)}
.float-card.fc-1{top:24px;left:-6px}
.float-card.fc-2{bottom:34px;right:-4px}
.float-card.fc-2 strong{font-family:var(--mono);color:var(--accent)}

/* ===== 价值块 ===== */
.v-card{padding:28px;height:100%;display:flex;flex-direction:column}
.v-card.lead{padding:0;overflow:hidden}
.v-card.lead img{width:100%;aspect-ratio:16/9;object-fit:cover}
.v-card.lead .v-body{padding:26px 28px 30px}
.v-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;margin-bottom:16px;background:var(--primary-soft);color:var(--primary);border:1px solid rgba(25,227,177,.28)}
.v-icon.orange{background:var(--accent-soft);color:var(--accent);border-color:rgba(255,122,61,.3)}
.v-icon.violet{background:rgba(110,91,255,.16);color:#B4A9FF;border-color:rgba(110,91,255,.35)}
.v-list{margin-top:16px;display:grid;gap:9px}
.v-list li{display:flex;gap:9px;font-size:14.5px;color:var(--muted)}
.v-list li i{color:var(--primary);font-size:12px;margin-top:6px}

/* ===== 轮播 ===== */
.shots{position:relative}
.shot-viewport{overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow-card)}
.shot-track{display:flex;transition:transform .55s cubic-bezier(.4,.1,.2,1)}
.shot-slide{flex:0 0 100%;position:relative}
.shot-slide img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.shot-caption{position:absolute;left:0;right:0;bottom:0;padding:26px 30px;background:linear-gradient(180deg,rgba(5,10,20,0),rgba(5,10,20,.9))}
.shot-caption h3{font-size:20px;margin-bottom:6px}
.shot-caption p{color:var(--text-2);font-size:14.5px;margin:0}
.shot-arrow{position:absolute;top:calc(50% - 58px);width:46px;height:46px;border-radius:50%;background:var(--glass-2);border:1px solid var(--line-2);display:grid;place-items:center;color:var(--text);box-shadow:var(--shadow-card);transition:.22s}
.shot-arrow:hover{background:var(--primary);color:#04161A;border-color:transparent}
.shot-arrow.prev{left:-10px}
.shot-arrow.next{right:-10px}
.shot-dots{display:flex;justify-content:center;gap:9px;margin-top:22px}
.shot-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.22);transition:.22s}
.shot-dot.active{width:26px;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--violet))}
.shot-thumbs{display:flex;gap:12px;margin-top:18px;justify-content:center;flex-wrap:wrap}
.shot-thumb{width:96px;border-radius:12px;overflow:hidden;border:1px solid var(--line);opacity:.5;transition:.24s;padding:0}
.shot-thumb img{aspect-ratio:16/10;object-fit:cover;width:100%}
.shot-thumb:hover{opacity:.85}
.shot-thumb.active{opacity:1;border-color:rgba(25,227,177,.6);box-shadow:0 0 18px rgba(25,227,177,.28)}

/* ===== 系统要求 ===== */
.spec-card{display:flex;gap:16px;align-items:flex-start;padding:22px;height:100%}
.spec-card i{width:42px;height:42px;flex:0 0 42px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.05);border:1px solid var(--line-2);color:var(--primary);font-size:16px}
.spec-card h4{font-size:15.5px;margin-bottom:6px}
.spec-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.6}
.spec-card .mono{font-family:var(--mono);color:var(--text-2);font-size:13.5px}

/* ===== 评价墙 ===== */
.reviews .cell{display:flex;flex-direction:column;gap:24px}
.rv-card{padding:22px}
.rv-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:16px;color:#04161A;background:linear-gradient(135deg,#19E3B1,#6E5BFF)}
.avatar.o2{background:linear-gradient(135deg,#FF7A3D,#FFB03D)}
.avatar.o3{background:linear-gradient(135deg,#6E5BFF,#19E3B1)}
.avatar.o4{background:linear-gradient(135deg,#19E3B1,#FF7A3D)}
.rv-name{font-size:15px;font-weight:700;margin:0}
.rv-date{font-size:12.5px;color:var(--muted);margin:0;font-family:var(--mono)}
.stars{color:#FFC93D;font-size:13px;letter-spacing:2px;margin-bottom:10px}
.rv-text{font-size:14.5px;color:var(--text-2);line-height:1.7;margin:0}

/* ===== 下载面板 ===== */
.dl-panel{display:grid;grid-template-columns:1.55fr .85fr;gap:28px;padding:36px;border-radius:var(--r-lg);background:linear-gradient(135deg,rgba(18,28,48,.9),rgba(11,20,36,.78));border:1px solid var(--line-2);box-shadow:var(--shadow-float);position:relative;overflow:hidden}
.dl-panel::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.16;pointer-events:none}
.dl-panel>*{position:relative;z-index:2}
.dl-btns{display:flex;flex-wrap:wrap;gap:14px;margin:22px 0 20px}
.dl-info{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;border-top:1px solid var(--line);padding-top:20px}
.dl-info div span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px}
.dl-info div strong{font-family:var(--mono);font-size:15px;color:var(--text);font-weight:600;word-break:break-all}
.qr{background:#fff;border-radius:var(--r-md);padding:16px;text-align:center;box-shadow:var(--shadow-card)}
.qr img{width:100%;max-width:170px;margin:0 auto 10px;border-radius:10px}
.qr p{color:#2A3A55;font-size:13px;margin:0;font-weight:600}

/* ===== 资讯 ===== */
.news-lead{display:block;padding:0;overflow:hidden;height:100%}
.news-lead .thumb{position:relative}
.news-lead img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-lead .body{padding:26px 28px 30px}
.news-lead h3{font-size:22px;line-height:1.35;margin:12px 0 10px}
.news-lead p{color:var(--muted);font-size:14.8px;line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-family:var(--mono);font-size:12.5px;color:var(--muted);display:inline-flex;align-items:center;gap:7px}
.news-list{display:grid;gap:16px;height:100%;align-content:start}
.news-item{display:flex;gap:16px;padding:16px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);transition:.28s}
.news-item:hover{transform:translateY(-3px);border-color:rgba(25,227,177,.4);box-shadow:var(--shadow-card)}
.news-item .nt{width:104px;flex:0 0 104px;border-radius:14px;overflow:hidden}
.news-item .nt img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.news-item h3{font-size:16.5px;line-height:1.45;margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .nd{font-size:13.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-empty{padding:56px 26px;text-align:center;border:1px dashed var(--line-2);border-radius:var(--r-md);background:rgba(255,255,255,.02)}
.news-empty i{font-size:28px;color:var(--muted);margin-bottom:14px;display:block}
.news-empty p{color:var(--muted);margin:0 0 18px}
.news-more{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:14.5px}
.news-more:hover{gap:12px}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .28s ease,box-shadow .28s ease}
.faq-item.open{border-color:rgba(25,227,177,.4);box-shadow:var(--shadow-card)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:16.5px;font-weight:700;text-align:left;color:var(--text)}
.faq-q:hover{color:var(--primary)}
.faq-q .ic{color:var(--primary);font-size:14px;transition:transform .3s ease}
.faq-item.open .faq-q .ic{transform:rotate(45deg)}
.faq-q{border-left:3px solid transparent}
.faq-item.open .faq-q{border-left-color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-a p{padding:0 24px 22px;margin:0;color:var(--muted);font-size:14.8px;line-height:1.75}

/* ===== CTA ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:66px 40px;text-align:center;border:1px solid var(--line-2);box-shadow:var(--shadow-float)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.88),rgba(5,10,20,.94)),radial-gradient(520px 320px at 50% 0%,rgba(25,227,177,.22),transparent 70%)}
.cta-band>*{position:relative;z-index:3}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:14px}
.cta-band p{color:var(--text-2);max-width:640px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:#03060D;border-top:1px solid rgba(25,227,177,.22);margin-top:96px;padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.foot-brand p{color:var(--muted);font-size:14.5px;max-width:340px;margin:16px 0 20px}
.foot-col h4{font-size:15px;margin-bottom:16px;color:#fff}
.foot-col li{margin-bottom:11px}
.foot-col a{font-size:14.5px;color:var(--muted)}
.foot-col a:hover{color:var(--primary)}
.foot-contact{font-size:14px;color:var(--muted);line-height:1.9}
.foot-contact .mono{font-family:var(--mono);color:var(--text-2)}
.foot-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.foot-bottom .mono{font-family:var(--mono)}
.to-top{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;border:1px solid var(--line-2);background:rgba(255,255,255,.04);font-size:13.5px;color:var(--text-2)}
.to-top:hover{color:var(--primary);border-color:rgba(25,227,177,.5)}

@media (max-width:1024px){
  .wrap{padding:0 24px}
  .section{padding:64px 0}
  .hero{padding:64px 0 56px}
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .brand{font-size:18px}
  .hero-visual{padding:8px 0 0;margin-top:34px}
  .float-card.fc-1{left:0}
  .float-card.fc-2{right:0}
  .dl-panel{grid-template-columns:1fr;padding:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .shot-arrow{top:auto;bottom:-58px;position:static;display:none}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .sec-head{margin-bottom:30px}
  .hero h1{font-size:clamp(27px,7.6vw,38px)}
  .hero-sub{font-size:15.5px}
  .dl-group{flex-direction:column;align-items:stretch}
  .dl-group .btn{width:100%}
  .dl-info{grid-template-columns:1fr 1fr}
  .shots .shot-arrow{display:none}
  .news-item .nt{width:84px;flex:0 0 84px}
  .cta-band{padding:48px 22px}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .card{padding:22px}
  .shot-caption{padding:18px 20px}
  .shot-caption h3{font-size:17px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand-text{font-size:16px}
  .nav-bar{height:60px}
  .dl-info{grid-template-columns:1fr}
  .hero-meta{gap:10px 18px}
  .shot-thumbs{gap:8px}
  .shot-thumb{width:70px}
}

/* roulang page: category1 */
:root{
  --bg:#050A14;
  --bg-2:#0B1424;
  --glass:rgba(18,28,48,.72);
  --glass-soft:rgba(18,28,48,.46);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --primary:#19E3B1;
  --primary-soft:rgba(25,227,177,.12);
  --accent:#FF7A3D;
  --violet:#6E5BFF;
  --text:#E9F1FA;
  --muted:#93A6BE;
  --r-xs:12px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --sh-card:0 24px 80px rgba(0,0,0,.45);
  --sh-float:0 34px 110px rgba(0,0,0,.62);
  --wrap:1200px;
  --mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  overflow-x:hidden;
  background-image:
    radial-gradient(900px 520px at 82% -8%, rgba(25,227,177,.10), transparent 62%),
    radial-gradient(760px 460px at 8% 6%, rgba(110,91,255,.10), transparent 60%),
    linear-gradient(180deg,#050A14 0%,#071021 46%,#050A14 100%);
  background-attachment:fixed;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:64px 64px;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-weight:800;
  line-height:1.25;
  color:var(--text);
  letter-spacing:.2px;
}
p{margin:0 0 1em;color:var(--muted);}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease;}
a:hover,a:focus{color:var(--primary);}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
a:focus-visible,button:focus-visible,input:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:8px;
}
.mono{font-family:var(--mono);font-feature-settings:"tnum";letter-spacing:.4px;}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:2;
}
.wrap-wide{max-width:1280px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:rgba(5,10,20,.72);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:6px;}
.nav-side.right{justify-content:flex-end;gap:12px;}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:9px 15px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  border:1px solid transparent;
  white-space:nowrap;
}
.nav-link:hover,.nav-link:focus{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.active{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:rgba(25,227,177,.32);
}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#19E3B1 0%,#6E5BFF 100%);
  color:#04131B;font-weight:800;font-size:17px;
  box-shadow:0 0 24px rgba(25,227,177,.4);
  flex:0 0 auto;
}
.brand-text{font-weight:800;font-size:17px;letter-spacing:.6px;color:#fff;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#19E3B1,#0FC79A);
  color:#04131B;
  box-shadow:0 0 28px rgba(25,227,177,.35);
}
.btn-primary:hover,.btn-primary:focus{
  color:#04131B;
  transform:translateY(-2px);
  filter:brightness(1.07);
  box-shadow:0 0 40px rgba(25,227,177,.55);
}
.btn-accent{
  background:linear-gradient(135deg,#FF7A3D,#F2601F);
  color:#1A0A02;
  box-shadow:0 0 26px rgba(255,122,61,.32);
}
.btn-accent:hover,.btn-accent:focus{
  color:#1A0A02;transform:translateY(-2px);filter:brightness(1.06);
  box-shadow:0 0 38px rgba(255,122,61,.5);
}
.btn-ghost{
  background:var(--glass-soft);
  border-color:var(--line-2);
  color:var(--text);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--primary);
  border-color:rgba(25,227,177,.5);
  transform:translateY(-2px);
  box-shadow:0 0 26px rgba(25,227,177,.18);
}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-2);
  color:var(--muted);
  white-space:nowrap;
}
.badge-primary{color:var(--primary);border-color:rgba(25,227,177,.36);background:rgba(25,227,177,.1);}
.badge-accent{color:var(--accent);border-color:rgba(255,122,61,.36);background:rgba(255,122,61,.1);}
.badge-violet{color:#B3A8FF;border-color:rgba(110,91,255,.42);background:rgba(110,91,255,.14);}

/* ============ 分类页头 Hero ============ */
.page-hero{
  position:relative;
  padding:88px 0 84px;
  overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,10,20,.95) 0%,rgba(7,16,33,.86) 42%,rgba(11,20,36,.9) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(620px 340px at 80% 24%,rgba(25,227,177,.2),transparent 66%),
             radial-gradient(520px 300px at 6% 90%,rgba(110,91,255,.16),transparent 68%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.3fr .85fr;
  gap:52px;
  align-items:center;
}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:rgba(255,255,255,.26);}
.crumbs .cur{color:var(--primary);font-weight:600;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.18;
  font-weight:800;
  margin-bottom:20px;
}
.page-hero h1 .hl{
  background:linear-gradient(100deg,#19E3B1 0%,#6E5BFF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:16.5px;
  line-height:1.8;
  color:#B6C6DA;
  max-width:640px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:12px 30px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13.5px;
  color:var(--muted);
}
.hero-meta b{color:#fff;font-family:var(--mono);font-size:15px;font-weight:700;}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--primary);}

.quick-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 26px 22px;
  box-shadow:var(--sh-card);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  position:relative;
  overflow:hidden;
}
.quick-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(25,227,177,.7),transparent);
}
.quick-card h3{font-size:17px;margin-bottom:6px;}
.quick-card > p{font-size:13.5px;margin-bottom:18px;}
.quick-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 0;
  border-bottom:1px dashed rgba(255,255,255,.1);
}
.quick-list li:last-child{border-bottom:0;padding-bottom:0;}
.quick-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12.5px;font-weight:800;font-family:var(--mono);
}
.quick-list strong{display:block;font-size:14.5px;color:#fff;font-weight:700;margin-bottom:2px;}
.quick-list span{font-size:13px;color:var(--muted);line-height:1.6;display:block;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;position:relative;z-index:2;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3vw,38px);
  line-height:1.25;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";display:block;width:52px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,#19E3B1,#6E5BFF);
  margin-bottom:18px;
  box-shadow:0 0 18px rgba(25,227,177,.5);
}
.section-head p{font-size:15.5px;line-height:1.8;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.4px;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}

/* ============ Bento 栅格 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:22px;
}
.bcard{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--sh-card);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
  display:flex;
  flex-direction:column;
}
.bcard:hover{
  transform:translateY(-4px);
  border-color:rgba(25,227,177,.42);
  box-shadow:var(--sh-float);
}
.bcard::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.24),transparent);
}
.bcard h3{font-size:19px;margin-bottom:10px;}
.bcard p{font-size:14.5px;line-height:1.78;}
.bcard-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-size:19px;
  background:rgba(25,227,177,.12);color:var(--primary);
  border:1px solid rgba(25,227,177,.3);
  margin-bottom:18px;
}
.bcard-icon.orange{background:rgba(255,122,61,.12);color:var(--accent);border-color:rgba(255,122,61,.32);}
.bcard-icon.violet{background:rgba(110,91,255,.16);color:#B3A8FF;border-color:rgba(110,91,255,.38);}
.bcard-hero{grid-column:span 7;grid-row:span 2;padding:30px;}
.bcard-hero .bcard-cover{
  border-radius:var(--r-sm);
  overflow:hidden;
  margin:20px 0 0;
  border:1px solid var(--line);
  position:relative;
}
.bcard-hero .bcard-cover img{width:100%;height:230px;object-fit:cover;opacity:.92;}
.bcard-hero .bcard-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,20,0) 40%,rgba(5,10,20,.72) 100%);
}
.bcard-a{grid-column:span 5;}
.bcard-b{grid-column:span 5;}
.bcard-c{grid-column:span 6;}
.bcard-d{grid-column:span 6;}
.bcard.tall{grid-column:span 7;}
.bcard.plain{grid-column:span 5;}
.dot-list{margin-top:16px;display:grid;gap:9px;}
.dot-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.8px;color:var(--muted);line-height:1.66;
}
.dot-list li i{color:var(--primary);font-size:11px;margin-top:6px;flex:0 0 auto;}
.dot-list.orange li i{color:var(--accent);}
.card-foot{margin-top:auto;padding-top:18px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--primary);
}
.text-link i{font-size:12px;transition:transform .22s ease;}
.text-link:hover i{transform:translateX(4px);}
.text-link.accent{color:var(--accent);}

/* ============ 步骤条 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
  counter-reset:step;
}
.step{
  background:var(--glass-soft);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 20px;
  position:relative;
  transition:transform .26s ease,border-color .26s ease,background .26s ease;
}
.step:hover{
  transform:translateY(-4px);
  border-color:rgba(25,227,177,.4);
  background:rgba(18,28,48,.8);
}
.step-num{
  font-family:var(--mono);
  font-size:26px;
  font-weight:800;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(25,227,177,.7);
  line-height:1;
  margin-bottom:16px;
  display:block;
}
.step h4{font-size:16px;margin-bottom:8px;}
.step p{font-size:13.5px;line-height:1.7;}
.step::after{
  content:"";position:absolute;top:42px;right:-12px;width:8px;height:2px;
  background:rgba(25,227,177,.5);
}
.step:last-child::after{display:none;}

/* ============ 安全区 ============ */
.safety{
  display:grid;
  grid-template-columns:1fr 1.05fr;
  gap:46px;
  align-items:center;
}
.safety-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  position:relative;
}
.safety-media img{width:100%;height:340px;object-fit:cover;}
.safety-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(5,10,20,.12),rgba(5,10,20,.72));
}
.safety-list{display:grid;gap:16px;margin-top:26px;}
.safety-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  transition:border-color .24s ease,transform .24s ease;
}
.safety-item:hover{border-color:rgba(25,227,177,.4);transform:translateY(-3px);}
.safety-item i{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:15px;
  background:rgba(110,91,255,.16);color:#B3A8FF;
  border:1px solid rgba(110,91,255,.34);
}
.safety-item h4{font-size:15.5px;margin-bottom:5px;}
.safety-item p{font-size:13.6px;line-height:1.72;}

/* ============ 规格数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  padding:32px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(18,28,48,.82),rgba(11,20,36,.6));
  box-shadow:var(--sh-card);
}
.stat b{
  display:block;font-family:var(--mono);font-size:30px;font-weight:800;
  color:#fff;line-height:1.1;margin-bottom:8px;
}
.stat b span{font-size:15px;color:var(--primary);margin-left:4px;}
.stat p{font-size:13.4px;margin:0;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .24s ease,background .24s ease;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.faq-item.open{border-color:rgba(25,227,177,.4);background:rgba(18,28,48,.85);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:20px 24px 20px 26px;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--primary);
  opacity:0;
  transition:opacity .24s ease,box-shadow .24s ease;
}
.faq-item.open .faq-q::before{opacity:1;box-shadow:0 0 16px rgba(25,227,177,.8);}
.faq-q:hover{color:var(--primary);}
.faq-sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-2);
  color:var(--primary);font-size:15px;
  transition:transform .28s ease,background .24s ease,border-color .24s ease;
}
.faq-item.open .faq-sign{background:rgba(25,227,177,.14);border-color:rgba(25,227,177,.45);transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq-a-inner{
  padding:0 26px 22px 26px;
  font-size:14.5px;
  line-height:1.82;
  color:var(--muted);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  padding:74px 0;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,10,20,.94),rgba(11,20,36,.86));
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(560px 300px at 84% 50%,rgba(255,122,61,.18),transparent 66%);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.35fr .9fr;
  gap:44px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(23px,2.8vw,34px);margin-bottom:14px;}
.cta-inner p{font-size:15.4px;line-height:1.8;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-card);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.cta-panel h4{font-size:15.5px;margin-bottom:14px;}
.cta-panel .row-line{
  display:flex;justify-content:space-between;gap:14px;
  font-size:13.4px;color:var(--muted);
  padding:11px 0;
  border-bottom:1px dashed rgba(255,255,255,.1);
}
.cta-panel .row-line:last-child{border-bottom:0;}
.cta-panel .row-line b{color:#fff;font-family:var(--mono);font-weight:700;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:#03060D;
  padding:66px 0 26px;
  z-index:2;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(25,227,177,.6),transparent);
  box-shadow:0 0 22px rgba(25,227,177,.4);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.foot-brand .brand{margin-bottom:18px;justify-self:flex-start;}
.foot-brand p{font-size:13.8px;line-height:1.78;max-width:380px;color:#8FA2B9;}
.foot-contact{margin-top:18px;font-size:13.2px;color:#8FA2B9;display:grid;gap:7px;}
.foot-contact .mono{color:var(--primary);}
.foot-col h4{font-size:14.5px;margin-bottom:16px;color:#fff;}
.foot-col ul{display:grid;gap:11px;}
.foot-col a{font-size:13.8px;color:#8FA2B9;}
.foot-col a:hover{color:var(--primary);}
.foot-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#7C8FA6;
}
.foot-bottom .mono{color:#A9B9CC;}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  border:1px solid var(--line-2);
  color:#B7C6D8;font-size:13px;
}
.to-top:hover{color:var(--primary);border-color:rgba(25,227,177,.5);transform:translateY(-2px);}

/* ============ 移动端菜单 ============ */
.menu-toggle{
  display:none;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line-2);
  color:#fff;font-size:16px;
  place-items:center;
  background:var(--glass-soft);
}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(5,10,20,.97);
  padding:14px 16px 20px;
}
.mobile-menu.open{display:block;}
.mobile-menu a{
  display:flex;align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--muted);
  border:1px solid transparent;
}
.mobile-menu a + a{margin-top:6px;}
.mobile-menu a.active{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:rgba(25,227,177,.32);
}
.mobile-menu .btn{margin-top:14px;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .wrap{padding:0 24px;}
  .nav-side.left .nav-link{padding:8px 11px;font-size:13.5px;}
  .hero-inner{grid-template-columns:1fr;gap:38px;}
  .page-hero{padding:66px 0 62px;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .bcard-hero{grid-column:span 12;grid-row:auto;}
  .bcard-a,.bcard-b{grid-column:span 6;}
  .bcard-c,.bcard-d{grid-column:span 6;}
  .bcard.tall,.bcard.plain{grid-column:span 6;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .safety{grid-template-columns:1fr;gap:32px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:26px;padding:26px;}
  .cta-inner{grid-template-columns:1fr;gap:30px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:860px){
  .nav-side.left{display:none;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:56px;}
  .brand{justify-self:start;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:32px;height:32px;font-size:15px;border-radius:10px;}
  .menu-toggle{display:grid;}
  .nav-side.right .btn{display:none;}
}
@media screen and (max-width:640px){
  .wrap{padding:0 16px;}
  body{font-size:15.5px;}
  .page-hero{padding:48px 0 50px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:12px 20px;font-size:13px;}
  .section{padding:48px 0;}
  .section-tight{padding:44px 0;}
  .bcard-a,.bcard-b,.bcard-c,.bcard-d,.bcard.tall,.bcard.plain{grid-column:span 12;}
  .steps{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;gap:22px;padding:22px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:15px;padding:18px 18px 18px 20px;}
  .faq-a-inner{padding:0 20px 20px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#19E3B1;
  --c-primary-soft:rgba(25,227,177,.14);
  --c-primary-line:rgba(25,227,177,.40);
  --c-accent:#FF7A3D;
  --c-accent-soft:rgba(255,122,61,.14);
  --c-violet:#6E5BFF;
  --c-violet-soft:rgba(110,91,255,.16);
  --c-bg:#050A14;
  --c-bg-2:#0B1424;
  --c-glass:rgba(18,28,48,.72);
  --c-glass-2:rgba(18,28,48,.45);
  --c-text:#E8EEF7;
  --c-text-2:#C4D2E3;
  --c-muted:#8C9CB2;
  --c-border:rgba(255,255,255,.08);
  --c-border-2:rgba(255,255,255,.12);
  --r-xs:12px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-card:0 24px 80px rgba(0,0,0,.45);
  --sh-float:0 32px 90px rgba(0,0,0,.60);
  --sh-glow:0 0 28px rgba(25,227,177,.35);
  --wrap-max:1200px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  --font-mono:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background-color:var(--c-bg);
  background-image:radial-gradient(900px 520px at 78% -8%,rgba(110,91,255,.18),transparent 65%),
                   radial-gradient(760px 460px at 8% 4%,rgba(25,227,177,.12),transparent 68%);
  background-repeat:no-repeat;
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
p{margin:0 0 16px}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);color:#fff;font-weight:800;line-height:1.25;margin:0 0 14px}
h1{font-size:clamp(30px,5vw,56px);line-height:1.18}
h2{font-size:clamp(24px,3.2vw,40px)}
h3{font-size:22px}
h4{font-size:18px}
ul,ol{margin:0 0 16px;padding-left:22px}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(25,227,177,.28);color:#fff}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--c-primary);color:#04121A;padding:10px 18px;border-radius:0 0 12px 0;font-weight:700}
.skip-link:focus{left:0}

/* ============ 容器 ============ */
.wrap{width:100%;max-width:var(--wrap-max);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.wrap-wide{max-width:1280px}
@media (max-width:1024px){.wrap{padding:0 24px}}
@media (max-width:640px){.wrap{padding:0 16px}}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(5,10,20,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--c-border)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;order:2}
.brand-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(140deg,#19E3B1 10%,#6E5BFF 90%);color:#04121A;font-weight:800;font-size:18px;box-shadow:var(--sh-glow);flex:0 0 auto}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap}
.brand:hover .brand-text{color:var(--c-primary)}
.nav-side{display:flex;align-items:center;gap:4px}
.nav-side.left{order:1}
.nav-side.right{order:3;gap:10px}
.nav-link{display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--c-text-2);white-space:nowrap}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--c-primary);background:var(--c-primary-soft)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--c-border-2);color:var(--c-text);cursor:pointer;align-items:center;justify-content:center;font-size:17px;order:0;transition:border-color .2s,color .2s}
.menu-toggle:hover{border-color:var(--c-primary-line);color:var(--c-primary)}
.mobile-panel{display:none;border-top:1px solid var(--c-border);background:rgba(5,10,20,.97);backdrop-filter:blur(16px);padding:12px 16px 22px}
.mobile-panel.open{display:block}
.mobile-panel a.m-link{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;color:var(--c-text-2);font-size:16px;font-weight:500}
.mobile-panel a.m-link:hover,.mobile-panel a.m-link.active{background:var(--c-primary-soft);color:var(--c-primary)}
.mobile-panel .m-actions{display:flex;flex-direction:column;gap:10px;margin-top:14px}

/* ============ 按钮体系 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease}
.btn-primary{background:var(--c-primary);color:#04121A;box-shadow:var(--sh-glow)}
.btn-primary:hover{background:#3DF0C4;color:#04121A;transform:translateY(-2px);box-shadow:0 0 38px rgba(25,227,177,.55)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:#1A0A02;box-shadow:0 0 28px rgba(255,122,61,.30)}
.btn-accent:hover{background:#FF9057;color:#1A0A02;transform:translateY(-2px);box-shadow:0 0 36px rgba(255,122,61,.48)}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--c-border-2);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary-line);color:#fff;background:rgba(25,227,177,.08);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-lg{height:56px;padding:0 32px;font-size:16px}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.3px;white-space:nowrap}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary);border:1px solid var(--c-primary-line)}
.badge-accent{background:var(--c-accent-soft);color:#FFA477;border:1px solid rgba(255,122,61,.35)}
.badge-violet{background:var(--c-violet-soft);color:#A99BFF;border:1px solid rgba(110,91,255,.40)}
.badge-muted{background:rgba(255,255,255,.05);color:var(--c-muted);border:1px solid var(--c-border-2)}

/* ============ 卡片基础 ============ */
.panel-card{position:relative;background:var(--c-glass);border:1px solid var(--c-border);border-radius:var(--r-md);box-shadow:var(--sh-card);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.panel-card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent)}
.panel-card:hover{transform:translateY(-4px);border-color:var(--c-primary-line);box-shadow:var(--sh-float)}

/* ============ 文章页头 ============ */
.article-hero{position:relative;padding:46px 0 44px;background-image:linear-gradient(180deg,rgba(5,10,20,.80),rgba(5,10,20,.94)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;border-bottom:1px solid var(--c-border);overflow:hidden}
.article-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 18% 0%,rgba(25,227,177,.18),transparent 70%);pointer-events:none}
.article-hero .wrap{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:22px}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--c-primary);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-head .badge{margin-bottom:4px}
.art-head h1{font-size:clamp(26px,3.6vw,44px);line-height:1.22;font-weight:800;color:#fff;margin:14px 0 18px;max-width:960px}
.art-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;color:var(--c-muted)}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta i{color:var(--c-primary);font-size:13px}
.art-meta .mono{font-family:var(--font-mono);color:var(--c-text-2)}

/* ============ 主体布局 ============ */
.art-layout{padding:56px 0 0}
.art-main{padding-right:46px;min-width:0}
.art-side{min-width:0}
@media (max-width:1024px){
  .art-main{padding-right:0}
  .art-side{display:none}
  .art-layout{padding:40px 0 0}
}

/* ============ 文章封面 ============ */
.art-cover{position:relative;margin:0 0 38px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-border);box-shadow:var(--sh-card)}
.art-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.art-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.04),rgba(5,10,20,.42));pointer-events:none}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:1.9;color:#DCE6F2;max-width:820px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 22px}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(25,227,177,.35)}
.article-body a:hover{color:#6BFFDA;border-bottom-color:#6BFFDA}
.article-body h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;color:#fff;margin:52px 0 18px;padding-left:16px;border-left:4px solid var(--c-primary);line-height:1.35}
.article-body h3{font-size:20px;font-weight:700;color:#fff;margin:34px 0 14px}
.article-body h4{font-size:17px;font-weight:700;color:#EAF2FB;margin:26px 0 12px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 24px}
.article-body li{margin-bottom:10px}
.article-body li::marker{color:var(--c-primary)}
.article-body img{border-radius:18px;margin:10px 0 22px;width:100%;object-fit:cover}
.article-body figure{margin:0 0 24px}
.article-body figcaption{font-size:13.5px;color:var(--c-muted);text-align:center;margin-top:-14px}
.article-body blockquote{margin:28px 0;padding:22px 26px;background:var(--c-glass);border:1px solid var(--c-border);border-left:3px solid var(--c-primary);border-radius:18px;color:#CBD9E9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{font-family:var(--font-mono);font-size:.92em;background:rgba(110,91,255,.16);color:#B9AEFF;padding:2px 7px;border-radius:6px}
.article-body pre{background:#07101E;border:1px solid var(--c-border);border-radius:16px;padding:18px 20px;overflow:auto;margin:0 0 24px}
.article-body pre code{background:none;color:#B7E9DA;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 26px;font-size:15px;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{border:1px solid var(--c-border-2);padding:12px 14px;text-align:left}
.article-body th{background:rgba(25,227,177,.09);color:#fff;font-weight:700}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.article-body hr{border:0;height:1px;background:var(--c-border-2);margin:38px 0}
@media (max-width:640px){
  .article-body{font-size:16.5px;line-height:1.85}
}

/* ============ 空态 ============ */
.empty-state{text-align:center;padding:66px 24px;border:1px dashed var(--c-border-2);border-radius:var(--r-md);background:var(--c-glass)}
.empty-state i{font-size:38px;color:var(--c-primary);margin-bottom:16px;display:block}
.empty-state h2{font-size:24px;margin-bottom:10px}
.empty-state p{color:var(--c-muted);max-width:460px;margin:0 auto 24px}

/* ============ 标签 / 上下篇 ============ */
.art-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:48px 0 0;padding-top:28px;border-top:1px solid var(--c-border)}
.tag-label{font-size:13px;color:var(--c-muted);letter-spacing:1px;margin-right:2px}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);font-size:13.5px;background:rgba(255,255,255,.05);border:1px solid var(--c-border-2);color:var(--c-text-2)}
.tag:hover{border-color:var(--c-primary-line);color:var(--c-primary);background:var(--c-primary-soft)}
.art-pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
.pager-item{display:block;padding:20px 22px;border-radius:var(--r-md);background:var(--c-glass);border:1px solid var(--c-border);transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease}
.pager-item:hover{transform:translateY(-3px);border-color:var(--c-primary-line);box-shadow:var(--sh-card)}
.pager-k{display:block;font-size:12.5px;color:var(--c-primary);letter-spacing:.5px;margin-bottom:8px;font-weight:600}
.pager-t{display:block;font-size:15.5px;color:#fff;font-weight:600;line-height:1.55}
.pager-item.next{text-align:right}
@media (max-width:640px){.art-pager{grid-template-columns:1fr}.pager-item.next{text-align:left}}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--c-glass);border:1px solid var(--c-border);border-radius:var(--r-md);padding:22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--sh-card)}
.side-title{font-size:15px;font-weight:700;color:#fff;display:flex;align-items:center;gap:9px;margin:0 0 16px}
.side-title i{color:var(--c-primary);font-size:14px}
.toc{list-style:none;margin:0;padding:0;max-height:340px;overflow:auto}
.toc li{margin-bottom:2px}
.toc a{display:block;font-size:14px;line-height:1.55;color:var(--c-text-2);padding:8px 10px;border-radius:10px;border-left:2px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease}
.toc a:hover{background:rgba(255,255,255,.05);color:#fff}
.toc a.active{color:var(--c-primary);border-left-color:var(--c-primary);background:var(--c-primary-soft)}
.toc a.lvl-3{padding-left:22px;font-size:13.5px;color:var(--c-muted)}
.toc-empty{display:none;font-size:13.5px;color:var(--c-muted);margin:0}
.mini-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.mini-list a{display:flex;gap:12px;align-items:center;padding:8px;border-radius:14px;transition:background .2s ease}
.mini-list a:hover{background:rgba(255,255,255,.05)}
.mini-list img{width:64px;height:48px;border-radius:10px;object-fit:cover;flex:0 0 auto}
.mini-t{font-size:14px;color:var(--c-text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-cta{text-align:center;background:linear-gradient(160deg,rgba(25,227,177,.14),rgba(110,91,255,.14)),var(--c-glass)}
.side-cta p{font-size:13.5px;color:var(--c-muted);margin:0 0 16px}
.side-cta .btn{margin-bottom:10px}
.side-meta{font-family:var(--font-mono);font-size:12.5px;color:var(--c-muted);letter-spacing:.5px}

/* ============ 相关推荐 ============ */
.sec{margin-top:72px}
.sec-head{margin-bottom:26px}
.sec-head .badge{margin-bottom:12px}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:10px}
.sec-head p{color:var(--c-muted);font-size:15px;margin:0;max-width:680px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-md);background:var(--c-glass);border:1px solid var(--c-border);box-shadow:var(--sh-card);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.rel-card:hover{transform:translateY(-4px);border-color:var(--c-primary-line);box-shadow:var(--sh-float)}
.rel-card .thumb{position:relative;overflow:hidden}
.rel-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .thumb img{transform:scale(1.05)}
.rel-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.02),rgba(5,10,20,.55))}
.rel-card .thumb .badge{position:absolute;left:14px;top:14px;z-index:2}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.5;margin:0;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-body p{font-size:14px;color:var(--c-muted);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--c-muted);margin-top:auto;padding-top:6px}
.rel-foot .mono{font-family:var(--font-mono)}
.rel-foot i{color:var(--c-primary)}
@media (max-width:900px){.rel-grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.rel-grid{grid-template-columns:1fr}}

/* ============ CTA 带 ============ */
.cta-band{position:relative;margin-top:64px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-border);background-image:linear-gradient(90deg,rgba(5,10,20,.92),rgba(5,10,20,.60)),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;padding:52px 44px;box-shadow:var(--sh-card)}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(520px 260px at 85% 10%,rgba(25,227,177,.20),transparent 70%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.8vw,34px);margin:0 0 12px}
.cta-inner p{color:var(--c-text-2);margin:0;max-width:560px;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:18px}
.cta-stats div{font-size:12.5px;color:var(--c-muted)}
.cta-stats strong{display:block;font-family:var(--font-mono);font-size:18px;color:var(--c-primary);font-weight:700}
@media (max-width:640px){.cta-band{padding:36px 22px}.cta-actions{width:100%}.cta-actions .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:#03070F;border-top:1px solid var(--c-border);margin-top:92px;padding:64px 0 28px}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(25,227,177,.55),transparent)}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:42px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--c-muted);line-height:1.8;max-width:360px;margin:0 0 18px}
.foot-contact{font-size:13.5px;color:var(--c-muted);display:flex;flex-direction:column;gap:8px}
.mono{font-family:var(--font-mono)}
.foot-col h4{font-size:14px;color:#fff;letter-spacing:.6px;margin:0 0 16px}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.foot-col a{font-size:14px;color:var(--c-muted)}
.foot-col a:hover{color:var(--c-primary)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--c-border);font-size:13.5px;color:var(--c-muted)}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--c-text-2)}
.to-top:hover{color:var(--c-primary)}
@media (max-width:1024px){.foot-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:640px){.foot-grid{grid-template-columns:1fr}.site-footer{margin-top:64px;padding:48px 0 24px}}

/* ============ 浮动返回顶部 ============ */
.fab-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--c-glass);border:1px solid var(--c-border-2);color:#fff;font-size:16px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s ease;z-index:90;backdrop-filter:blur(12px)}
.fab-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.fab-top:hover{border-color:var(--c-primary-line);color:var(--c-primary)}
@media (max-width:640px){.fab-top{right:14px;bottom:14px}}

/* ============ 移动端导航 ============ */
@media (max-width:1024px){
  .header-inner{height:60px;padding:0 16px;gap:10px}
  .menu-toggle{display:inline-flex;order:1}
  .nav-side.left{display:none}
  .brand{order:2;flex:1;justify-content:center}
  .brand-text{font-size:17px}
  .nav-side.right{order:3;gap:8px}
  .nav-side.right .btn-ghost{display:none}
  .nav-side.right .btn{height:36px;padding:0 14px;font-size:13.5px}
}
@media (max-width:420px){
  .brand-text{font-size:15.5px}
  .brand-mark{width:32px;height:32px;font-size:16px}
}

/* roulang page: category2 */
:root{
  --bg:#050A14;
  --bg-deep:#03070F;
  --bg-2:#0B1424;
  --glass:rgba(18,28,48,0.72);
  --glass-2:rgba(14,22,38,0.86);
  --line:rgba(255,255,255,0.08);
  --line-2:rgba(255,255,255,0.12);
  --mint:#19E3B1;
  --orange:#FF7A3D;
  --violet:#6E5BFF;
  --text:#EAF1FA;
  --muted:#93A4BD;
  --radius-sm:12px;
  --radius:20px;
  --radius-lg:28px;
  --pill:999px;
  --shadow-card:0 24px 80px rgba(0,0,0,0.45);
  --shadow-float:0 34px 96px rgba(0,0,0,0.62);
  --wrap:1200px;
  --mono:"Roboto Mono",DIN Alternate,ui-monospace,SFMono-Regular,Menlo,monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -6%, rgba(25,227,177,0.10), transparent 62%),
    radial-gradient(900px 560px at 6% 24%, rgba(110,91,255,0.10), transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;}
input,button,select,textarea{font-family:inherit;}
.mono{font-family:var(--mono);letter-spacing:0.02em;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,10,20,0.72);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.scrolled{box-shadow:0 18px 50px rgba(0,0,0,0.55);background:rgba(5,10,20,0.9);}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:4px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 15px;border-radius:var(--pill);
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-link:hover{color:#FFFFFF;background:rgba(255,255,255,0.06);}
.nav-link.active{color:var(--mint);background:rgba(25,227,177,0.10);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--mint);
}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  width:38px;height:38px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--mint),var(--violet));
  color:#03121A;font-weight:800;font-size:18px;
  box-shadow:0 0 26px rgba(25,227,177,0.35);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:0.4px;white-space:nowrap;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,0.05);border:1px solid var(--line-2);
  cursor:pointer;transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:rgba(25,227,177,0.45);}
.nav-cta{display:none;}

.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(3,7,15,0.94);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  padding:20px 20px 40px;
  transform:translateY(-102%);
  transition:transform .34s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,0.05);border:1px solid var(--line-2);cursor:pointer;
}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;margin-bottom:10px;
  border-radius:14px;background:var(--glass);border:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--text);
}
.drawer-nav a.active{color:var(--mint);border-color:rgba(25,227,177,0.4);}
.drawer-nav a i{color:var(--muted);font-size:13px;}
.drawer-actions{margin-top:22px;display:grid;gap:12px;}
body.drawer-open{overflow:hidden;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--mint);color:#03121A;box-shadow:0 0 28px rgba(25,227,177,0.35);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 42px rgba(25,227,177,0.55);}
.btn-secondary{background:linear-gradient(135deg,#FF7A3D,#FF9B63);color:#1A0A02;box-shadow:0 0 26px rgba(255,122,61,0.32);}
.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 0 40px rgba(255,122,61,0.5);}
.btn-ghost{background:rgba(255,255,255,0.05);border-color:var(--line-2);color:var(--text);}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(25,227,177,0.45);background:rgba(25,227,177,0.08);}
.btn:active{transform:translateY(0);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--pill);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:92px 0 84px;
  background-image:
    radial-gradient(760px 420px at 84% 6%, rgba(25,227,177,0.16), transparent 62%),
    linear-gradient(180deg, rgba(5,10,20,0.80), rgba(5,10,20,0.94)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover,cover,cover;
  background-position:center,center,center;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 68px);
  opacity:0.5;
}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr 0.88fr;gap:52px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--pill);
  background:rgba(110,91,255,0.14);border:1px solid rgba(110,91,255,0.36);
  color:#C3BAFF;font-size:13px;font-weight:600;margin-bottom:20px;
}
.eyebrow i{color:var(--violet);}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.18;font-weight:800;letter-spacing:-0.4px;
}
.hero h1 em{font-style:normal;color:var(--mint);}
.hero-sub{margin-top:20px;max-width:600px;color:var(--muted);font-size:16.5px;line-height:1.75;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:var(--pill);
  background:rgba(255,255,255,0.05);border:1px solid var(--line-2);
  font-size:13px;color:#C6D3E6;
}
.chip i{color:var(--mint);font-size:12px;}
.chip.orange i{color:var(--orange);}

.glass-panel{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.glass-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.35),transparent);
}
.panel-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:18px;}
.panel-title i{color:var(--mint);}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.stat{
  background:rgba(255,255,255,0.04);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:14px 16px;
}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px;}
.stat strong{font-family:var(--mono);font-size:17px;font-weight:600;color:#FFFFFF;}
.qr-row{display:flex;align-items:center;gap:16px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line-2);}
.qr-box{
  width:88px;height:88px;border-radius:14px;background:#FFFFFF;
  display:grid;place-items:center;color:#0A1626;font-size:32px;flex:0 0 auto;
}
.qr-tip{font-size:13.5px;color:var(--muted);line-height:1.6;}
.qr-tip b{color:var(--text);display:block;font-size:14.5px;margin-bottom:4px;}

/* ---------- Section ---------- */
.section{padding:88px 0;}
.section.tight{padding:72px 0;}
.section-alt{background:linear-gradient(180deg,rgba(11,20,36,0.72),rgba(5,10,20,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:46px;}
.section-title{
  position:relative;padding-left:18px;
  font-size:clamp(24px,3vw,38px);line-height:1.25;font-weight:800;letter-spacing:-0.3px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--mint),rgba(25,227,177,0.15));
}
.section-desc{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.75;}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.bento-card{
  position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
  display:flex;flex-direction:column;gap:14px;
}
.bento-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.28),transparent);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(25,227,177,0.4);box-shadow:var(--shadow-float);}
.bento-card.span-7{grid-column:span 7;}
.bento-card.span-5{grid-column:span 5;}
.bento-card.span-4{grid-column:span 4;}
.bento-card.media{padding:0;}
.bento-card.media img{width:100%;height:230px;object-fit:cover;opacity:0.9;}
.bento-card.media .media-body{padding:24px 28px 28px;display:flex;flex-direction:column;gap:12px;}
.icon-box{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(25,227,177,0.12);color:var(--mint);font-size:18px;flex:0 0 auto;
}
.icon-box.violet{background:rgba(110,91,255,0.14);color:#B4A9FF;}
.icon-box.orange{background:rgba(255,122,61,0.14);color:var(--orange);}
.card-title{font-size:19px;font-weight:700;line-height:1.4;}
.card-text{color:var(--muted);font-size:15px;line-height:1.72;}
.mini-list{display:grid;gap:9px;margin-top:2px;}
.mini-list li{display:flex;gap:9px;font-size:14.5px;color:#C3D0E2;line-height:1.6;}
.mini-list li i{color:var(--mint);font-size:11px;margin-top:8px;flex:0 0 auto;}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;
  background:rgba(110,91,255,0.16);color:#BCB2FF;border:1px solid rgba(110,91,255,0.3);
}
.tag.mint{background:rgba(25,227,177,0.13);color:#7BF0D0;border-color:rgba(25,227,177,0.3);}
.tag.orange{background:rgba(255,122,61,0.14);color:#FFB58C;border-color:rgba(255,122,61,0.3);}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--mint);
  transition:gap .2s ease,color .2s ease;
}
.card-link:hover{gap:12px;color:#7BF0D0;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.step{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(25,227,177,0.38);box-shadow:var(--shadow-card);}
.step-no{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--mono);font-size:15px;font-weight:700;
  background:rgba(255,255,255,0.06);border:1px solid var(--line-2);color:#FFFFFF;
  margin-bottom:16px;
}
.step:first-child .step-no{background:rgba(25,227,177,0.16);border-color:rgba(25,227,177,0.45);color:var(--mint);}
.step-title{font-size:16.5px;font-weight:700;margin-bottom:9px;line-height:1.45;}
.step-text{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- Spec ---------- */
.split{display:grid;grid-template-columns:0.95fr 1.05fr;gap:44px;align-items:center;}
.figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-2);box-shadow:var(--shadow-card);
}
.figure img{width:100%;height:400px;object-fit:cover;}
.figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 24px;
  background:linear-gradient(180deg,transparent,rgba(3,7,15,0.92));
  font-size:13.5px;color:#C6D3E6;
}
.spec-list{display:grid;gap:12px;}
.spec-item{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;transition:border-color .22s ease,transform .22s ease;
}
.spec-item:hover{border-color:rgba(25,227,177,0.35);transform:translateX(3px);}
.spec-key{
  flex:0 0 108px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;
}
.spec-key i{color:var(--mint);font-size:13px;}
.spec-val{font-size:14.5px;color:#D6E1F0;line-height:1.6;}
.spec-val .mono{color:#FFFFFF;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:920px;}
.faq-item{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,0.18);}
.faq-item.open{border-color:rgba(25,227,177,0.42);}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--mint);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-size:16.5px;font-weight:700;text-align:left;line-height:1.5;
}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-size:12px;
  background:rgba(255,255,255,0.06);border:1px solid var(--line-2);color:var(--muted);
  transition:transform .28s ease,color .28s ease,background .28s ease;
}
.faq-item.open .faq-icon{background:rgba(25,227,177,0.16);color:var(--mint);border-color:rgba(25,227,177,0.42);}
.faq-item.open .faq-icon i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.78;max-width:760px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:58px 48px;
  background-image:
    radial-gradient(520px 320px at 88% 10%, rgba(255,122,61,0.22), transparent 62%),
    linear-gradient(120deg, rgba(5,10,20,0.88), rgba(5,10,20,0.72)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover,cover;
  background-position:center,center,center;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-card);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr 0.7fr;gap:36px;align-items:center;}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;line-height:1.3;}
.cta-inner p{margin-top:14px;color:#B9C7DA;font-size:15.5px;line-height:1.75;max-width:620px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;background:var(--bg-deep);
  border-top:1px solid rgba(25,227,177,0.22);
  box-shadow:0 -1px 40px rgba(25,227,177,0.10);
  padding:64px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;}
.foot-brand .brand{margin-bottom:18px;}
.foot-brand p{color:var(--muted);font-size:14.5px;line-height:1.75;max-width:400px;}
.foot-contact{margin-top:18px;display:grid;gap:7px;font-size:13.5px;color:#8296B0;}
.foot-contact .mono{color:#B9C7DA;}
.foot-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:#FFFFFF;}
.foot-col ul{display:grid;gap:11px;}
.foot-col a{font-size:14px;color:var(--muted);transition:color .2s ease,padding-left .2s ease;}
.foot-col a:hover{color:var(--mint);padding-left:4px;}
.foot-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#7C8FA8;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--pill);
  background:rgba(255,255,255,0.05);border:1px solid var(--line-2);
  color:#C6D3E6;font-size:13.5px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.to-top:hover{border-color:rgba(25,227,177,0.45);background:rgba(25,227,177,0.08);transform:translateY(-2px);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .wrap{padding:0 24px;}
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:inline-flex;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:62px;}
  .brand{justify-self:start;}
  .hero{padding:68px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .section{padding:64px 0;}
  .section.tight{padding:56px 0;}
  .bento-card.span-7,
  .bento-card.span-5,
  .bento-card.span-4{grid-column:span 6;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .figure img{height:320px;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:640px){
  .wrap{padding:0 16px;}
  body{font-size:15.5px;}
  .brand-text{font-size:16.5px;}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:11px;}
  .hero{padding:52px 0 52px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .btn-row{flex-direction:column;align-items:stretch;}
  .btn-row .btn{width:100%;}
  .stat-row{grid-template-columns:1fr;}
  .bento{grid-template-columns:1fr;}
  .bento-card.span-7,
  .bento-card.span-5,
  .bento-card.span-4{grid-column:span 1;}
  .bento-card{padding:22px;}
  .bento-card.media .media-body{padding:20px 22px 24px;}
  .bento-card.media img{height:186px;}
  .steps{grid-template-columns:1fr;gap:14px;}
  .section{padding:48px 0;}
  .section.tight{padding:42px 0;}
  .section-head{margin-bottom:30px;}
  .spec-item{flex-direction:column;gap:8px;padding:16px;}
  .spec-key{flex:none;}
  .figure img{height:230px;}
  .faq-q{font-size:15.5px;padding:17px 18px;gap:12px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-band{padding:34px 22px;border-radius:var(--radius);}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}