/* roulang page: index */
:root{
  --brand-orange:#FF7A1A;
  --brand-purple:#7C4DFF;
  --brand-cyan:#25F4EE;
  --success:#37D67A;
  --warning:#FFB020;
  --danger:#FF4D6D;
  --bg:#0A0D14;
  --surface:#121722;
  --surface-2:#171D2B;
  --line:rgba(255,255,255,.08);
  --text:#F5F7FA;
  --muted:#A9B2C3;
  --grad:linear-gradient(135deg,#FF7A1A 0%,#7C4DFF 55%,#25F4EE 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,122,26,.16),rgba(124,77,255,.14),rgba(37,244,238,.12));
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-hover:0 20px 60px rgba(255,122,26,.18);
  --shadow-cyan:0 20px 60px rgba(37,244,238,.16);
  --container:1240px;
  --header-h:72px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(680px 380px at 88% -6%, rgba(124,77,255,.16), transparent 62%),
    radial-gradient(560px 320px at 4% 12%, rgba(255,122,26,.12), transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--brand-cyan);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-orange);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{line-height:1.3;font-weight:800;letter-spacing:-.01em;margin:0;}
p{margin:0;}
button{font-family:inherit;}
::selection{background:rgba(255,122,26,.32);color:#fff;}
:focus-visible{outline:2px solid var(--brand-cyan);outline-offset:3px;border-radius:6px;}

/* ============ 容器与板块 ============ */
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.section{padding:96px 0;position:relative;z-index:1;}
.section-tight{padding:64px 0;position:relative;z-index:1;}
.sec-head{max-width:780px;margin-bottom:48px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--brand-cyan);margin-bottom:14px;
}
.sec-tag i{font-size:12px;}
.sec-title{font-size:clamp(24px,3vw,36px);}
.sec-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.sec-sub{color:var(--muted);margin-top:14px;font-size:16px;max-width:720px;}
.title-line{position:relative;padding-bottom:18px;}
.title-line::after{
  content:"";position:absolute;left:0;bottom:0;width:72px;height:4px;
  border-radius:999px;background:var(--grad);box-shadow:0 0 18px rgba(37,244,238,.45);
}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  font-weight:700;font-size:15px;line-height:1.4;
  border-radius:999px;border:1px solid transparent;
  padding:12px 24px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn i{margin-right:6px;}
.btn-brand{background:var(--grad);color:#0A0D14;box-shadow:0 10px 30px rgba(255,122,26,.28);}
.btn-brand:hover,.btn-brand:focus{background:var(--grad);color:#0A0D14;transform:translateY(-2px);box-shadow:0 16px 44px rgba(255,122,26,.44);}
.btn-outline-neon{background:transparent;border-color:rgba(37,244,238,.55);color:var(--brand-cyan);}
.btn-outline-neon:hover,.btn-outline-neon:focus{background:rgba(37,244,238,.1);border-color:var(--brand-cyan);color:#fff;box-shadow:0 0 28px rgba(37,244,238,.32);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--muted);}
.btn-ghost:hover{color:var(--text);background:rgba(255,255,255,.05);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-icon{
  width:44px;height:44px;padding:0;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text);
}
.btn-icon:hover{background:rgba(37,244,238,.14);color:#fff;border-color:rgba(37,244,238,.5);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-cyan);}
.link-more i{font-size:12px;transition:transform .22s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,13,20,.88);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad);opacity:.8;
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:var(--header-h);}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;font-size:17px;letter-spacing:-.01em;}
.brand:hover{color:var(--text);}
.brand-logo{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad);display:grid;place-items:center;
  color:#0A0D14;font-weight:900;font-size:17px;
  box-shadow:0 8px 26px rgba(255,122,26,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em;}
.nav-toggle{
  width:44px;height:44px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);font-size:17px;display:grid;place-items:center;
}
.nav-toggle:hover{border-color:rgba(37,244,238,.5);color:var(--brand-cyan);}
.nav-links{align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:block;
  padding:10px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a.active{color:#fff;text-shadow:0 0 14px rgba(37,244,238,.5);}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:999px;
  background:var(--grad);box-shadow:0 0 14px rgba(37,244,238,.75);
}
.nav-links .nav-cta{margin-left:10px;color:#0A0D14;}
.nav-links .nav-cta:hover{color:#0A0D14;background:var(--grad);}

@media (min-width:992px){
  .nav-links.collapse{display:flex;}
}
@media (max-width:991.98px){
  .nav-links.collapse{display:none;}
  .nav-links.collapse.show{display:flex;}
  .nav-links{
    flex-direction:column;align-items:stretch;gap:10px;
    position:fixed;left:0;right:0;top:var(--header-h);bottom:0;
    background:rgba(8,11,17,.985);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    padding:24px 20px 48px;overflow-y:auto;z-index:1029;
    border-top:1px solid var(--line);
  }
  .nav-links a{
    padding:16px 18px;font-size:17px;border-radius:16px;
    background:rgba(255,255,255,.03);border:1px solid transparent;
  }
  .nav-links a.active{background:rgba(37,244,238,.08);border-color:rgba(37,244,238,.32);}
  .nav-links a.active::after{display:none;}
  .nav-links .nav-cta{margin:14px 0 0;text-align:center;padding:16px;font-size:16px;}
}

/* ============ Hero ============ */
.hero{padding:52px 0 76px;position:relative;z-index:1;}
.hero-card{
  position:relative;isolation:isolate;overflow:hidden;
  border-radius:36px;border:1px solid var(--line);
  background:#0c1018;
  padding:clamp(28px,4.6vw,64px);
  box-shadow:var(--shadow);
}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.hero-glow{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(880px 420px at 10% 4%, rgba(255,122,26,.30), transparent 62%),
    radial-gradient(760px 420px at 92% 92%, rgba(124,77,255,.32), transparent 62%),
    radial-gradient(600px 340px at 72% 14%, rgba(37,244,238,.16), transparent 62%),
    linear-gradient(180deg, rgba(10,13,20,.35), rgba(10,13,20,.86));
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-cyan);
  border:1px solid rgba(37,244,238,.32);
  background:rgba(37,244,238,.07);
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,5vw,56px);
  font-weight:800;letter-spacing:-.02em;line-height:1.2;
}
.hero h1 em{
  font-style:normal;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;font-size:clamp(16px,1.5vw,18px);color:#C6CEDC;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.stat{
  display:flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:999px;
  border:1px solid rgba(37,244,238,.24);
  background:rgba(18,23,34,.72);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.stat i{color:var(--brand-orange);font-size:14px;}
.stat b{
  font-size:17px;font-weight:800;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat span{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:26px;border:1px solid var(--line);
  box-shadow:0 24px 70px rgba(0,0,0,.5);
}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:18px;
  background:rgba(14,18,28,.94);
  border:1px solid rgba(255,122,26,.35);
  box-shadow:0 18px 44px rgba(0,0,0,.5);
  max-width:270px;
}
.hero-float i{font-size:20px;color:var(--brand-cyan);}
.hero-float strong{display:block;font-size:14px;}
.hero-float span{font-size:12px;color:var(--muted);}

/* ============ 卖点 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
.feature-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,#151B29 0%,#101520 100%);
  padding:34px 32px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-card:nth-child(2),
.feature-card:nth-child(4){transform:translateY(34px);}
.feature-card:nth-child(2):hover,
.feature-card:nth-child(4):hover{transform:translateY(28px);}
.feature-card:hover{box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.32);}
.feature-icon{
  width:54px;height:54px;border-radius:18px;
  display:grid;place-items:center;font-size:21px;color:#0A0D14;
  background:var(--grad);margin-bottom:20px;
  box-shadow:0 12px 30px rgba(124,77,255,.32);
}
.feature-card h3{font-size:21px;margin-bottom:12px;}
.feature-card p{color:var(--muted);font-size:15px;line-height:1.85;min-height:50px;}
.feature-card .link-more{margin-top:18px;}
.feature-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle, rgba(37,244,238,.16), transparent 70%);
  opacity:0;transition:opacity .3s ease;
}
.feature-card:hover::after{opacity:1;}

/* ============ 演示区 ============ */
.demo-card{
  border-radius:32px;border:1px solid var(--line);
  background:linear-gradient(160deg,#141A27 0%,#0F131C 100%);
  box-shadow:var(--shadow);
  padding:clamp(24px,3.4vw,44px);
  display:grid;grid-template-columns:.86fr 1.14fr;gap:40px;align-items:center;
}
.step-list{display:flex;flex-direction:column;gap:10px;}
.step{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 18px;border-radius:18px;
  border:1px solid transparent;background:transparent;
  cursor:pointer;transition:background .22s ease,border-color .22s ease,transform .22s ease;
  text-align:left;width:100%;color:inherit;
}
.step:hover{background:rgba(255,255,255,.035);}
.step.active{background:rgba(37,244,238,.07);border-color:rgba(37,244,238,.32);transform:translateX(4px);}
.step-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:800;color:#0A0D14;
  background:var(--grad);box-shadow:0 0 18px rgba(37,244,238,.45);
}
.step h3{font-size:16px;margin-bottom:4px;}
.step p{font-size:13.5px;color:var(--muted);line-height:1.7;}
.demo-shot{position:relative;}
.demo-shot img{
  width:100%;border-radius:24px;border:1px solid var(--line);
  box-shadow:0 20px 60px rgba(0,0,0,.45);
}
.demo-cap{
  margin-top:16px;font-size:14px;color:var(--muted);
  padding-left:14px;border-left:3px solid var(--brand-cyan);
}

/* ============ 证据区 ============ */
.badge-wall{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.neon-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  font-size:13.5px;font-weight:700;color:#DCE3EE;
  border:1px solid rgba(124,77,255,.4);
  background:rgba(124,77,255,.10);
}
.neon-badge i{color:var(--brand-cyan);font-size:12px;}
.proof-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start;}
.table-wrap{
  border-radius:26px;border:1px solid var(--line);overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow);
}
.compare{width:100%;border-collapse:collapse;margin:0;}
.compare th{
  padding:16px 20px;text-align:left;font-size:13.5px;font-weight:700;
  letter-spacing:.06em;color:var(--muted);
  background:rgba(255,255,255,.03);
  border-bottom:1px solid rgba(37,244,238,.4);
}
.compare td{
  padding:16px 20px;font-size:14.5px;color:var(--text);
  border-bottom:1px solid var(--line);vertical-align:top;
}
.compare tbody tr:last-child td{border-bottom:none;}
.compare tbody tr:hover{background:rgba(37,244,238,.05);}
.compare td.ok{color:var(--success);font-weight:700;}
.compare td.warn{color:var(--warning);font-weight:700;}
.compare td.bad{color:var(--danger);font-weight:700;}
.check-card{
  border-radius:26px;border:1px solid var(--line);
  background:linear-gradient(180deg,#151B29,#101520);
  padding:28px 26px;box-shadow:var(--shadow);
}
.check-card h3{font-size:18px;margin-bottom:18px;}
.check-card ul li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--muted);
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.07);
}
.check-card ul li:last-child{border-bottom:none;}
.check-card ul li i{color:var(--brand-cyan);margin-top:6px;font-size:13px;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:24px;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.3);}
.news-cover{display:block;overflow:hidden;background:#0d1119;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-cover img{transform:scale(1.05);}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700;
  color:var(--brand-cyan);border:1px solid rgba(37,244,238,.3);
  background:rgba(37,244,238,.07);
}
.news-body h3{font-size:17px;line-height:1.55;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand-orange);}
.news-sum{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:48px;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.news-meta i{margin-right:4px;}
.empty-state{
  grid-column:1/-1;text-align:center;
  border-radius:26px;border:1px dashed rgba(37,244,238,.3);
  background:rgba(37,244,238,.04);
  padding:56px 24px;
}
.empty-state i{font-size:34px;color:var(--brand-cyan);margin-bottom:16px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch;}
.price-card{
  display:flex;flex-direction:column;
  border-radius:28px;padding:34px 30px;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
.price-card.featured{
  border:1px solid transparent;
  background:
    linear-gradient(#141A27,#141A27) padding-box,
    var(--grad) border-box;
  position:relative;
  box-shadow:0 22px 66px rgba(124,77,255,.24);
}
.price-flag{
  position:absolute;top:-14px;left:30px;
  padding:5px 16px;border-radius:999px;
  font-size:12.5px;font-weight:800;color:#0A0D14;
  background:var(--grad);box-shadow:0 8px 24px rgba(255,122,26,.4);
}
.price-name{font-size:17px;font-weight:700;color:var(--muted);}
.price-num{
  margin:14px 0 6px;font-size:44px;font-weight:800;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.price-num small{font-size:15px;font-weight:600;color:var(--muted);-webkit-text-fill-color:var(--muted);margin-left:6px;}
.price-desc{font-size:14px;color:var(--muted);min-height:46px;}
.price-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px;}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#CBD3E0;}
.price-list li i{color:var(--success);margin-top:6px;font-size:13px;}
.price-list li.off{color:#6C7688;text-decoration:line-through;}
.price-list li.off i{color:#6C7688;}
.price-card .btn{margin-top:auto;width:100%;text-align:center;}

/* ============ FAQ ============ */
.faq-wrap{max-width:940px;margin:0 auto;}
.accordion-item{
  background:var(--surface) !important;
  border:1px solid var(--line) !important;
  border-radius:20px !important;
  margin-bottom:14px;overflow:hidden;
  box-shadow:0 8px 26px rgba(0,0,0,.24);
}
.accordion-button{
  position:relative;
  background:transparent !important;
  color:var(--text) !important;
  font-size:17px;font-weight:700;line-height:1.6;
  padding:22px 66px 22px 82px;
  box-shadow:none !important;
  transition:background .22s ease,box-shadow .22s ease;
}
.accordion-button::before{
  content:attr(data-num);
  position:absolute;left:26px;top:50%;transform:translateY(-50%);
  font-size:14px;font-weight:800;color:var(--brand-cyan);letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.accordion-button::after{
  content:"+";font-family:inherit;font-size:24px;font-weight:400;color:var(--brand-cyan);
  background-image:none !important;width:auto;height:auto;
  position:absolute;right:26px;top:50%;transform:translateY(-50%);
  display:block;line-height:1;transition:transform .25s ease;
}
.accordion-button:not(.collapsed){
  color:#fff !important;
  background:rgba(37,244,238,.06) !important;
  box-shadow:inset 4px 0 0 var(--brand-cyan) !important;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.accordion-button:focus{border-color:transparent !important;box-shadow:inset 0 0 0 1px rgba(37,244,238,.4) !important;}
.accordion-body{
  padding:0 30px 26px 82px !important;
  color:var(--muted);font-size:15px;line-height:1.9;
}

/* ============ 分类入口 ============ */
.cat-grid{display:grid;grid-template-columns:1.18fr 1fr;gap:24px;}
.cat-card{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;
  border-radius:28px;border:1px solid var(--line);
  background:linear-gradient(160deg,#151B29,#0F131C);
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(37,244,238,.34);box-shadow:var(--shadow-cyan);}
.cat-card.big{grid-row:span 2;}
.cat-card.big .cat-cover img{aspect-ratio:16/9;}
.cat-cover{overflow:hidden;background:#0d1119;}
.cat-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;transition:transform .4s ease;}
.cat-card:hover .cat-cover img{transform:scale(1.04);}
.cat-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cat-kicker{font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--brand-orange);}
.cat-body h3{font-size:21px;}
.cat-body p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 8px;}
.cat-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  color:#B9C3D3;background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.cat-body .btn{align-self:flex-start;margin-top:auto;}

/* ============ 内联 CTA 带 ============ */
.inline-cta{
  margin-top:52px;
  border-radius:24px;border:1px solid rgba(37,244,238,.24);
  background:var(--grad-soft);
  padding:24px 28px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.inline-cta p{font-size:15px;color:#D6DDE9;}
.inline-cta strong{color:#fff;}
.inline-cta .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:40px;
  background:#070A10;
  border-top:1px solid var(--line);
  padding:66px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:2px;
  background:var(--grad);opacity:.85;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-logo{width:38px;height:38px;flex:0 0 38px;font-size:15px;border-radius:12px;}
.footer-brand strong{font-size:16px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.9;max-width:330px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:#fff;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--brand-cyan);}
.footer-note{font-size:13.5px;color:#7C8698;line-height:1.9;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#6E7889;
}
.footer-bottom a{color:#9AA5B7;}
.footer-bottom a:hover{color:var(--brand-cyan);}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1050;
  display:flex;align-items:center;gap:10px;
  padding:10px;border-radius:999px;
  background:rgba(16,21,32,.92);
  border:1px solid var(--line);
  box-shadow:0 18px 50px rgba(0,0,0,.5);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container-x{padding:0 22px;}
  .section{padding:84px 0;}
}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-width:560px;}
  .hero-float{left:10px;bottom:-16px;}
  .demo-card{grid-template-columns:1fr;gap:32px;}
  .proof-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
  .cat-grid{grid-template-columns:1fr;}
  .cat-card.big{grid-row:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .feature-card:nth-child(2),
  .feature-card:nth-child(4){transform:none;}
  .feature-card:nth-child(2):hover,
  .feature-card:nth-child(4):hover{transform:translateY(-6px);}
}
@media (max-width:767.98px){
  body{padding-bottom:76px;}
  .section{padding:60px 0;}
  .section-tight{padding:48px 0;}
  .hero{padding:28px 0 56px;}
  .hero-card{border-radius:26px;padding:26px 20px 30px;}
  .hero-stats{gap:10px;}
  .stat{padding:9px 14px;}
  .sec-head{margin-bottom:32px;}
  .feature-grid{grid-template-columns:1fr;gap:18px;}
  .feature-card{padding:26px 22px;border-radius:22px;}
  .news-grid{grid-template-columns:1fr;}
  .accordion-button{font-size:15.5px;padding:18px 52px 18px 66px;}
  .accordion-button::before{left:20px;font-size:13px;}
  .accordion-button::after{right:20px;}
  .accordion-body{padding:0 22px 22px 66px !important;font-size:14.5px;}
  .inline-cta{padding:20px;border-radius:20px;}
  .inline-cta .cta-actions{width:100%;}
  .inline-cta .cta-actions .btn{flex:1;text-align:center;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:20px 20px 0 0;
    justify-content:space-between;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
    opacity:1;visibility:visible;transform:none;
  }
  .float-cta .btn-brand{flex:1;text-align:center;}
}
@media (max-width:520px){
  .container-x{padding:0 16px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;text-align:center;}
  .hero-float{position:static;margin-top:16px;max-width:none;}
  .price-num{font-size:38px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg:#0A0D14;
  --surface:#121722;
  --surface-2:#171D2B;
  --surface-3:#1E2534;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --text:#F5F7FA;
  --text-2:#D6DCE8;
  --muted:#A9B2C3;
  --brand:#FF7A1A;
  --purple:#7C4DFF;
  --cyan:#25F4EE;
  --success:#37D67A;
  --warn:#FFB020;
  --danger:#FF4D6D;
  --grad:linear-gradient(135deg,#FF7A1A 0%,#7C4DFF 55%,#25F4EE 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,122,26,.16),rgba(124,77,255,.14),rgba(37,244,238,.12));
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-hover:0 20px 60px rgba(255,122,26,.18);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(255,122,26,.14),transparent 62%),
    radial-gradient(720px 480px at 92% 4%,rgba(124,77,255,.14),transparent 66%),
    radial-gradient(560px 380px at 50% 108%,rgba(37,244,238,.09),transparent 68%);
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7ff9f5;}
h1,h2,h3,h4,h5{color:var(--text);font-weight:800;line-height:1.25;margin:0;letter-spacing:.005em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;}
::selection{background:rgba(255,122,26,.35);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 22px;
  position:relative;
  z-index:2;
}
.section{padding:88px 0;position:relative;z-index:2;}
.section-sm{padding:60px 0;position:relative;z-index:2;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--cyan);
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(37,244,238,.34);
  background:rgba(37,244,238,.06);
  margin-bottom:18px;
}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.section-head h2 .hi{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.rule-line{
  height:1px;width:100%;
  background:linear-gradient(90deg,transparent,rgba(255,122,26,.5),rgba(37,244,238,.5),transparent);
  border:0;margin:0;
}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-focus-shadow-rgb:37,244,238;
  border-radius:999px;
  font-weight:700;
  letter-spacing:.02em;
  padding:13px 26px;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;box-shadow:none;}
.btn-brand{
  background:var(--grad);
  color:#0A0D14;
  background-size:180% 180%;
  box-shadow:0 8px 26px rgba(255,122,26,.28);
}
.btn-brand:hover{color:#0A0D14;transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,122,26,.36);background-position:100% 0;}
.btn-brand:active{transform:translateY(0);}
.btn-neon{
  background:transparent;color:var(--cyan);
  border:1px solid rgba(37,244,238,.5);
}
.btn-neon:hover{color:#0A0D14;background:var(--cyan);border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 12px 34px rgba(37,244,238,.26);}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text-2);border:1px solid var(--border-strong);
}
.btn-ghost:hover{color:var(--text);border-color:rgba(37,244,238,.5);background:rgba(37,244,238,.08);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(10,13,20,.9);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,122,26,.75),rgba(124,77,255,.75),rgba(37,244,238,.75),transparent);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;}
.brand:hover{color:var(--text);}
.brand-logo{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad);color:#0A0D14;
  display:grid;place-items:center;
  font-weight:800;font-size:20px;
  box-shadow:0 8px 24px rgba(124,77,255,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;font-weight:800;font-size:17px;}
.brand-text small{font-weight:500;font-size:12px;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
.nav-toggle{
  width:44px;height:44px;border-radius:13px;
  background:rgba(255,255,255,.05);border:1px solid var(--border-strong);
  color:var(--text);display:grid;place-items:center;font-size:18px;
}
.nav-toggle:hover{border-color:rgba(37,244,238,.5);color:var(--cyan);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:12px;
  color:var(--muted);font-size:15px;font-weight:600;
  text-decoration:none;transition:color .2s ease,background .2s ease,box-shadow .25s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a.active{
  color:#fff;
  background:rgba(37,244,238,.08);
  box-shadow:0 0 0 1px rgba(37,244,238,.28),0 0 22px rgba(37,244,238,.18);
}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);
}
.nav-links .nav-cta{margin-left:8px;padding:10px 20px;font-size:14px;}

@media (max-width:991.98px){
  .nav-links{
    position:fixed;left:0;right:0;top:74px;bottom:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(10,13,20,.985);
    padding:24px 20px calc(32px + env(safe-area-inset-bottom));
    overflow-y:auto;
    border-top:1px solid var(--border);
  }
  .nav-links.collapse:not(.show){display:none;}
  .nav-links a{padding:16px 14px;font-size:17px;border-bottom:1px solid var(--border);border-radius:0;}
  .nav-links a.active{background:rgba(37,244,238,.07);border-radius:12px;}
  .nav-links a.active::after{left:14px;right:auto;width:34px;bottom:10px;}
  .nav-links .nav-cta{margin:18px 0 0;padding:16px 20px;font-size:16px;border-radius:999px;}
}
@media (min-width:992px){
  .nav-links.collapse{display:flex !important;}
}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:64px 0 54px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,.86) 0%,rgba(10,13,20,.94) 55%,rgba(10,13,20,.99) 100%);
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,77,255,.32),transparent 66%);
  filter:blur(12px);
}
.crumb{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.crumb a{color:var(--muted);text-decoration:none;}
.crumb a:hover{color:var(--cyan);}
.crumb .sep{color:rgba(255,255,255,.28);}
.crumb .cur{color:var(--text-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  color:var(--brand);
  border:1px solid rgba(255,122,26,.4);
  background:rgba(255,122,26,.09);
}
.article-hero h1{
  position:relative;z-index:2;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.22;
  margin:18px 0 20px;
  max-width:960px;
}
.article-hero h1 .hi{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.meta-row{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:12px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--border);
  font-size:13.5px;color:var(--muted);font-weight:600;
}
.meta-chip i{color:var(--cyan);font-size:13px;}

/* ---------- article body ---------- */
.layout{max-width:840px;margin:0 auto;}
.article-shell{
  background:linear-gradient(180deg,var(--surface) 0%,rgba(18,23,34,.72) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:clamp(24px,3.4vw,52px);
}
.article-body{color:var(--text-2);font-size:17px;line-height:1.88;}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(21px,2.4vw,29px);
  margin:2em 0 .85em;
  padding-bottom:.45em;
  position:relative;
  color:var(--text);
}
.article-body h2::after{
  content:"";position:absolute;left:0;bottom:0;width:64px;height:3px;border-radius:3px;background:var(--grad);
}
.article-body h3{
  font-size:clamp(18px,1.8vw,22px);
  margin:1.7em 0 .7em;
  padding-left:14px;
  position:relative;
  color:var(--text);
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--purple));
}
.article-body p{margin:0 0 1.15em;color:var(--text-2);}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(37,244,238,.5);}
.article-body a:hover{color:#8ffaf6;border-bottom-color:#8ffaf6;}
.article-body strong{color:#fff;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;list-style:none;}
.article-body li{position:relative;padding-left:26px;margin-bottom:.6em;color:var(--text-2);}
.article-body ul>li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 10px rgba(37,244,238,.5);
}
.article-body ol{counter-reset:li;}
.article-body ol>li{counter-increment:li;padding-left:34px;}
.article-body ol>li::before{
  content:counter(li);
  position:absolute;left:0;top:.12em;
  width:22px;height:22px;border-radius:8px;
  display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#0A0D14;background:var(--grad);
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--cyan);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(37,244,238,.06);
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:16px;
  margin:1.6em auto;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:1.6em 0;font-size:15px;
  border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;
}
.article-body thead th{
  background:rgba(255,255,255,.045);
  color:var(--text);font-weight:700;text-align:left;
  padding:13px 16px;border-bottom:1px solid rgba(37,244,238,.35);
}
.article-body td{
  padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text-2);
}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:hover td{background:rgba(255,255,255,.03);}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.9em;padding:2px 7px;border-radius:7px;
  background:rgba(255,122,26,.12);color:#FFB870;border:1px solid rgba(255,122,26,.22);
}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;border-radius:var(--radius-sm);
  background:#0C111B;border:1px solid var(--border);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;border:0;color:#CFE3FF;padding:0;}
.article-body hr{border:0;height:1px;background:var(--border);margin:2.2em 0;}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .3s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.34);}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0C111B;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.06);}
.rel-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,13,20,.72) 100%);
}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:18px;line-height:1.4;}
.rel-body h3 a{color:var(--text);text-decoration:none;border:0;}
.rel-body h3 a:hover{color:var(--brand);}
.rel-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.7;}

/* ---------- entry strip ---------- */
.entry-strip{
  margin-top:34px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:var(--grad-soft),var(--surface-2);
  padding:28px 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.entry-strip h3{font-size:19px;margin-bottom:6px;}
.entry-strip p{margin:0;color:var(--muted);font-size:14.5px;}
.entry-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- back / quick ---------- */
.back-nav{
  margin-top:34px;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;
}
.back-item{
  display:flex;align-items:center;gap:12px;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);
  border:1px solid var(--border);
  color:var(--text-2);font-size:14.5px;font-weight:600;
  transition:transform .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
}
.back-item:hover{transform:translateY(-3px);border-color:rgba(37,244,238,.42);background:rgba(37,244,238,.07);color:#fff;}
.back-item i{color:var(--cyan);font-size:15px;}

/* ---------- empty ---------- */
.empty-state{
  text-align:center;padding:56px 22px;
  border:1px dashed var(--border-strong);border-radius:var(--radius-md);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;z-index:2;
  margin-top:20px;
  background:#080B11;
  border-top:1px solid var(--border);
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,122,26,.7),rgba(124,77,255,.7),rgba(37,244,238,.7),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{font-size:17px;}
.footer-desc{color:var(--muted);font-size:14.5px;line-height:1.85;margin:0;max-width:360px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--muted);font-size:14.5px;text-decoration:none;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-note{color:var(--muted);font-size:14px;line-height:1.85;margin:0;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--muted);font-size:13.5px;
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--cyan);}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:26px;z-index:1030;
  display:flex;align-items:center;gap:10px;
  padding:10px;border-radius:999px;
  background:rgba(18,23,34,.94);
  border:1px solid var(--border-strong);
  box-shadow:0 18px 50px rgba(0,0,0,.5);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  opacity:0;transform:translateY(18px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}

@media (max-width:991.98px){
  .section{padding:64px 0;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .back-nav{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .article-hero{padding:44px 0 38px;}
  .crumb .cur{max-width:100%;white-space:normal;}
  .rel-grid{grid-template-columns:1fr;}
  .back-nav{grid-template-columns:1fr;}
  .entry-strip{padding:22px 20px;flex-direction:column;align-items:flex-start;}
  .entry-actions{width:100%;}
  .entry-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{
    left:0;right:0;bottom:0;
    border-radius:0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    justify-content:space-between;gap:12px;
    border-left:0;border-right:0;border-bottom:0;
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0);}
  .float-cta .btn{flex:1;}
}
@media (max-width:520px){
  .container-x{padding:0 16px;}
  .article-shell{padding:20px 18px;border-radius:var(--radius-md);}
  .article-body{font-size:16px;line-height:1.8;}
  .meta-chip{font-size:12.5px;padding:7px 12px;}
}

/* roulang page: category1 */
:root{
  --brand:#FF7A1A;
  --brand-2:#7C4DFF;
  --cyan:#25F4EE;
  --bg:#0A0D14;
  --surface:#121722;
  --surface-2:#171D2B;
  --line:rgba(255,255,255,.08);
  --text:#F5F7FA;
  --muted:#A9B2C3;
  --ok:#37D67A;
  --warn:#FFB020;
  --danger:#FF4D6D;
  --grad:linear-gradient(135deg,#FF7A1A 0%,#7C4DFF 55%,#25F4EE 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,122,26,.20),rgba(37,244,238,.12));
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-hover:0 20px 60px rgba(255,122,26,.18);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.01em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
::selection{background:rgba(255,122,26,.35);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

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

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,13,20,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--grad);opacity:.8;
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-logo{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#0A0D14;
  background:var(--grad);background-size:180% 180%;
  box-shadow:0 8px 22px rgba(255,122,26,.32);
}
.brand-text{display:flex;flex-direction:column;font-weight:700;font-size:16px;line-height:1.2;white-space:nowrap;}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em;margin-top:3px;}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:13px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  display:grid;place-items:center;font-size:18px;cursor:pointer;transition:.22s;
}
.nav-toggle:hover{border-color:rgba(37,244,238,.5);color:var(--cyan);}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px;}
.nav-links > a{
  position:relative;display:inline-block;
  padding:10px 15px;border-radius:999px;
  color:var(--muted);font-size:15px;font-weight:500;text-decoration:none;
  transition:color .22s ease,background .22s ease;
}
.nav-links > a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links > a.active{color:var(--text);text-shadow:0 0 14px rgba(37,244,238,.5);}
.nav-links > a.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:1px;height:2px;
  border-radius:2px;background:var(--grad);
  box-shadow:0 0 12px rgba(37,244,238,.75);
}
.nav-links > a.nav-cta{
  margin-left:10px;padding:10px 20px;font-weight:700;color:#0A0D14;
  background:var(--grad);background-size:180% 180%;
  box-shadow:0 10px 26px rgba(255,122,26,.28);
}
.nav-links > a.nav-cta::after{display:none;}
.nav-links > a.nav-cta:hover{
  color:#0A0D14;transform:translateY(-2px);
  box-shadow:0 16px 36px rgba(255,122,26,.4);background-position:100% 0;
}

/* ============ 按钮 ============ */
.btn{
  border-radius:999px;font-weight:600;font-size:15px;
  padding:12px 26px;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
}
.btn:focus,.btn:focus-visible{box-shadow:0 0 0 3px rgba(37,244,238,.28);}
.btn-brand{background:var(--grad);background-size:180% 180%;color:#0A0D14;}
.btn-brand:hover{color:#0A0D14;transform:translateY(-2px);box-shadow:var(--shadow-hover);background-position:100% 0;}
.btn-ghost{background:transparent;border-color:rgba(37,244,238,.45);color:var(--cyan);}
.btn-ghost:hover{background:rgba(37,244,238,.12);color:#fff;box-shadow:0 0 26px rgba(37,244,238,.28);transform:translateY(-2px);}
.btn-line{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--muted);}
.btn-line:hover{border-color:rgba(255,122,26,.5);color:var(--text);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 34px;font-size:16px;}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.crumb .sep{color:rgba(255,255,255,.25);}
.crumb .current{color:var(--cyan);}

/* ============ 页首横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:76px 0 68px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,13,20,.96) 0%,rgba(10,13,20,.88) 48%,rgba(10,13,20,.68) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-200px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(124,77,255,.34),transparent 66%);
  pointer-events:none;
}
.page-hero .container-x{position:relative;z-index:2;}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.85fr);gap:44px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
  font-size:13px;font-weight:600;color:var(--cyan);
  background:rgba(37,244,238,.08);border:1px solid rgba(37,244,238,.3);
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;letter-spacing:.01em;
  margin-bottom:18px;
}
.page-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:12px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:999px;font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.badge-pill i{color:var(--cyan);font-size:13px;}
.badge-pill b{color:var(--text);font-feature-settings:"tnum";font-size:15px;font-weight:700;}
.hero-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--surface);
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,13,20,0) 40%,rgba(10,13,20,.82) 100%);
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-card .hcap{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:13px;color:var(--muted);
}
.hero-card .hcap strong{display:block;color:var(--text);font-size:15px;margin-bottom:2px;}

/* ============ 通用板块 ============ */
.section{padding:92px 0;scroll-margin-top:96px;}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  margin-bottom:14px;text-transform:uppercase;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;margin-bottom:14px;}
.sec-head h2 .u{
  display:inline-block;position:relative;
}
.sec-head h2 .u::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;
  border-radius:3px;background:var(--grad);opacity:.9;
}
.sec-head p{color:var(--muted);font-size:16px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center .sec-kicker{justify-content:center;}

/* ============ 信息卡（错落） ============ */
.info-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.28);}
.info-card .ic-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-size:20px;color:#0A0D14;background:var(--grad);background-size:180% 180%;
  margin-bottom:20px;box-shadow:0 10px 24px rgba(124,77,255,.28);
}
.info-card h3{font-size:21px;margin-bottom:12px;}
.info-card p{color:var(--muted);font-size:15.5px;}
.info-card.feature{
  background:linear-gradient(150deg,rgba(255,122,26,.10),rgba(18,23,34,.9) 55%),var(--surface);
}
.mini-stack{display:grid;gap:24px;}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:880px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(255,122,26,.75),rgba(124,77,255,.55),rgba(37,244,238,.5));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 34px 78px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;font-weight:800;font-size:16px;color:var(--cyan);
  background:var(--surface-2);border:1px solid rgba(37,244,238,.4);
  box-shadow:0 0 0 6px rgba(10,13,20,1),0 0 22px rgba(37,244,238,.22);
  font-feature-settings:"tnum";
}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px 24px;transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.tl-item:hover .tl-body{border-color:rgba(37,244,238,.32);transform:translateX(4px);box-shadow:var(--shadow);}
.tl-body h3{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tl-body h3 .tag{
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
  color:var(--brand);background:rgba(255,122,26,.12);border:1px solid rgba(255,122,26,.32);
}
.tl-body p{color:var(--muted);font-size:15.5px;margin-bottom:12px;}
.tl-points li{position:relative;padding-left:22px;color:var(--muted);font-size:15px;margin-bottom:6px;}
.tl-points li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.tl-points li:last-child{margin-bottom:0;}

/* ============ 对照表 ============ */
.table-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;
}
.x-table{width:100%;border-collapse:collapse;font-size:15px;}
.x-table thead th{
  text-align:left;padding:18px 22px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--cyan);background:rgba(37,244,238,.05);
  border-bottom:1px solid rgba(37,244,238,.28);white-space:nowrap;
}
.x-table tbody td{
  padding:18px 22px;color:var(--muted);border-bottom:1px solid var(--line);vertical-align:top;
}
.x-table tbody td:first-child{color:var(--text);font-weight:600;}
.x-table tbody tr{transition:background .22s ease;}
.x-table tbody tr:hover{background:rgba(255,255,255,.035);}
.x-table tbody tr:last-child td{border-bottom:0;}
.x-table .cell-tip{color:var(--brand);font-weight:600;}

/* ============ 检查清单 ============ */
.check-wrap{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:center;
}
.check-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.check-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-media .badge-float{
  position:absolute;left:18px;top:18px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:600;color:#0A0D14;
  background:var(--grad);
}
.check-list li{
  position:relative;padding:12px 0 12px 38px;color:var(--muted);font-size:15.5px;
  border-bottom:1px dashed rgba(255,255,255,.08);
}
.check-list li:last-child{border-bottom:0;}
.check-list li strong{color:var(--text);font-weight:600;}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:13px;width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;color:#0A0D14;background:var(--grad);
}

/* ============ 图文提示区 ============ */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.split p{color:var(--muted);font-size:16px;}
.note-card{
  margin-top:22px;padding:20px 22px;border-radius:var(--radius-md);
  background:rgba(255,176,32,.07);border:1px solid rgba(255,176,32,.3);
}
.note-card h4{font-size:16px;color:var(--warn);margin-bottom:8px;display:flex;align-items:center;gap:9px;}
.note-card p{font-size:14.5px;color:var(--muted);margin:0;}

/* ============ FAQ ============ */
.faq-acc{max-width:900px;margin:0 auto;}
.faq-acc .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md)!important;
  margin-bottom:14px;overflow:hidden;
}
.faq-acc .accordion-button{
  background:transparent;color:var(--text);font-weight:600;font-size:16.5px;
  padding:20px 56px 20px 62px;border:0;box-shadow:none;position:relative;
}
.faq-acc .accordion-button::before{
  content:attr(data-index);
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  font-size:14px;font-weight:800;color:var(--cyan);font-feature-settings:"tnum";
}
.faq-acc .accordion-button::after{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  background-image:none;content:"\2b";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;color:var(--muted);
  width:auto;height:auto;transition:transform .25s ease,color .25s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--text);background:rgba(37,244,238,.05);}
.faq-acc .accordion-button:not(.collapsed)::after{content:"\f068";color:var(--cyan);}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(37,244,238,.35);
  box-shadow:0 0 0 1px rgba(37,244,238,.18),0 16px 44px rgba(0,0,0,.4);
  border-left:3px solid var(--cyan);
}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-body{
  padding:0 26px 22px 62px;color:var(--muted);font-size:15.5px;line-height:1.85;
}

/* ============ 继续查看 ============ */
.next-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;}
.next-card{
  position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  text-decoration:none;color:var(--text);
}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,122,26,.3);color:var(--text);}
.next-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.next-card .nc-body{padding:24px 26px 28px;}
.next-card .nc-body h3{font-size:20px;margin-bottom:10px;}
.next-card .nc-body p{color:var(--muted);font-size:15px;margin-bottom:14px;}
.next-card .nc-more{color:var(--cyan);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:7px;}
.next-card.plain{display:flex;flex-direction:column;justify-content:center;background:linear-gradient(150deg,rgba(124,77,255,.14),var(--surface) 60%);}
.next-card.plain .nc-body{padding:34px 30px;}
.next-card.plain .nc-body h3{font-size:22px;}

/* ============ 内联 CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:46px 44px;border:1px solid rgba(255,122,26,.28);
  background:linear-gradient(120deg,rgba(255,122,26,.16),rgba(124,77,255,.14) 55%,rgba(37,244,238,.10)),var(--surface);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,244,238,.22),transparent 68%);
}
.cta-band h3{font-size:clamp(20px,2.4vw,28px);margin-bottom:8px;position:relative;z-index:2;}
.cta-band p{color:var(--muted);font-size:15.5px;margin:0;position:relative;z-index:2;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:#080B11;border-top:1px solid var(--line);
  padding:64px 0 30px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:var(--grad);opacity:.85;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{font-size:17px;}
.footer-desc{color:var(--muted);font-size:14.5px;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--muted);font-size:14.5px;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-note{color:var(--muted);font-size:14px;line-height:1.8;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--muted);font-size:13.5px;
}
.footer-bottom a{color:var(--cyan);}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:flex;align-items:center;gap:10px;padding:8px;
  border-radius:999px;background:rgba(18,23,34,.94);
  border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top{
  width:42px;height:42px;border-radius:50%;flex:0 0 42px;
  background:transparent;border:1px solid rgba(37,244,238,.4);color:var(--cyan);
  display:grid;place-items:center;cursor:pointer;transition:.22s;font-size:14px;
}
.to-top:hover{background:rgba(37,244,238,.14);box-shadow:0 0 22px rgba(37,244,238,.3);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-card img{aspect-ratio:16/9;}
}
@media (max-width:991.98px){
  .nav-toggle{display:grid;}
  .nav-links{
    position:fixed;left:0;right:0;top:74px;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:26px 22px calc(30px + env(safe-area-inset-bottom));
    background:rgba(8,11,17,.98);backdrop-filter:blur(16px);
    overflow-y:auto;
  }
  .nav-links.collapse.show,.nav-links.collapsing{display:flex;}
  .nav-links > a{
    padding:16px 18px;border-radius:16px;font-size:17px;
    background:rgba(255,255,255,.03);border:1px solid var(--line);
  }
  .nav-links > a.active{background:rgba(37,244,238,.08);border-color:rgba(37,244,238,.3);}
  .nav-links > a.active::after{display:none;}
  .nav-links > a.nav-cta{
    margin:14px 0 0;justify-content:center;padding:16px 18px;font-size:17px;
  }
  .section{padding:72px 0;}
  .info-grid{grid-template-columns:1fr;}
  .check-wrap{grid-template-columns:1fr;gap:30px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .next-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .page-hero{padding:56px 0 52px;}
  .hero-lead{font-size:16px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
  .info-card{padding:26px 22px;}
  .tl-item{padding-left:62px;}
  .tl-num{width:40px;height:40px;font-size:14px;}
  .timeline::before{left:19px;}
  .tl-body{padding:20px;}
  .table-shell{border-radius:var(--radius-md);overflow-x:auto;}
  .x-table{min-width:640px;}
  .cta-band{padding:32px 24px;}
  .faq-acc .accordion-button{padding:18px 48px 18px 54px;font-size:15.5px;}
  .faq-acc .accordion-button::before{left:18px;}
  .faq-acc .accordion-body{padding:0 22px 20px 54px;font-size:15px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:22px 22px 0 0;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;gap:12px;
  }
  .float-cta .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-bottom:100px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .brand-text{font-size:15px;}
  .brand-text small{font-size:10px;}
  .hero-actions .btn{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .stat-badges{gap:8px;}
  .badge-pill{padding:8px 13px;font-size:12.5px;}
}

/* roulang page: category2 */
:root{
  --brand:#FF7A1A;
  --brand-2:#7C4DFF;
  --neon:#25F4EE;
  --ok:#37D67A;
  --warn:#FFB020;
  --danger:#FF4D6D;
  --bg:#0A0D14;
  --surface:#121722;
  --surface-2:#171D2B;
  --surface-3:#1D2331;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F5F7FA;
  --muted:#A9B2C3;
  --grad:linear-gradient(135deg,#FF7A1A 0%,#7C4DFF 55%,#25F4EE 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,122,26,.16),rgba(124,77,255,.14),rgba(37,244,238,.12));
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-hover:0 20px 60px rgba(255,122,26,.18);
  --shadow-neon:0 0 0 1px rgba(37,244,238,.35),0 0 24px rgba(37,244,238,.18);
  --container:1240px;
  --sec-pad:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(255,122,26,.14),transparent 62%),
    radial-gradient(760px 480px at 88% 4%,rgba(124,77,255,.16),transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--neon);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{font-weight:800;letter-spacing:.2px;margin:0;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--neon);outline-offset:3px;border-radius:6px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  padding:12px 24px;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  display:inline-flex;
  align-items:center;
  gap:8px;
  justify-content:center;
  line-height:1.2;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-brand{
  background-image:var(--grad);
  color:#0B0E16;
  box-shadow:0 10px 30px rgba(255,122,26,.24);
}
.btn-brand:hover{color:#0B0E16;transform:translateY(-2px);box-shadow:0 16px 44px rgba(255,122,26,.36);}
.btn-brand:active{transform:translateY(0);}
.btn-outline-neon{
  background:transparent;
  border-color:rgba(37,244,238,.55);
  color:var(--neon);
}
.btn-outline-neon:hover{background:rgba(37,244,238,.1);color:var(--neon);transform:translateY(-2px);box-shadow:0 0 22px rgba(37,244,238,.24);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--line);
  color:var(--muted);
}
.btn-ghost:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.08);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(10,13,20,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background-image:var(--grad);
  opacity:.75;
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-logo{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background-image:var(--grad);
  color:#0B0E16;
  font-weight:800;
  font-size:20px;
  display:grid;place-items:center;
  box-shadow:0 0 22px rgba(124,77,255,.4);
}
.brand-text{
  display:flex;flex-direction:column;
  font-weight:800;
  font-size:17px;
  letter-spacing:.4px;
  line-height:1.25;
}
.brand-text small{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.3px;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex-wrap:nowrap;
}
.nav-links > a{
  position:relative;
  color:var(--muted);
  font-size:15px;
  font-weight:600;
  padding:10px 14px;
  border-radius:12px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links > a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links > a.active{color:var(--neon);text-shadow:0 0 14px rgba(37,244,238,.45);}
.nav-links > a.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background-image:var(--grad);
  box-shadow:0 0 12px rgba(37,244,238,.6);
}
.nav-cta{margin-left:10px;}
.nav-toggle{
  width:46px;height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:18px;
}
.nav-toggle:hover{background:rgba(255,255,255,.09);}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;
    inset:75px 0 0 0;
    background:rgba(8,10,16,.98);
    backdrop-filter:blur(16px);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:22px;
    overflow-y:auto;
  }
  .nav-links.show{display:flex;}
  .nav-links > a{font-size:18px;padding:16px 14px;border-radius:16px;}
  .nav-links > a.active::after{left:14px;right:auto;width:40px;bottom:8px;}
  .nav-cta{margin:16px 0 0;padding:16px;font-size:17px;}
}

/* ============ 通用区块 ============ */
main{padding-bottom:20px;}
.section{padding:var(--sec-pad) 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:820px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--neon);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:26px;height:2px;border-radius:2px;background-image:var(--grad);
}
.sec-title{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.sec-sub{color:var(--muted);font-size:16px;max-width:760px;}
.grad-text{
  background-image:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.underline-neon{position:relative;display:inline-block;padding-bottom:6px;}
.underline-neon::after{
  content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;border-radius:3px;background-image:var(--grad);
}

/* ============ 内页 Banner ============ */
.page-banner{
  position:relative;
  margin-top:26px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,13,20,.62),rgba(10,13,20,.9)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  box-shadow:var(--shadow);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 300px at 16% 12%,rgba(255,122,26,.24),transparent 62%),
             radial-gradient(560px 320px at 86% 86%,rgba(124,77,255,.26),transparent 66%);
  pointer-events:none;
}
.banner-inner{position:relative;padding:64px 46px;}
.crumbs{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--muted);margin-bottom:20px;flex-wrap:wrap;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--neon);}
.crumbs span.sep{color:rgba(255,255,255,.28);}
.crumbs .current{color:var(--text);font-weight:600;}
.page-banner h1{font-size:clamp(30px,5vw,52px);margin-bottom:18px;}
.page-banner .lead{color:var(--muted);font-size:17px;max-width:760px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  font-size:13px;font-weight:600;color:var(--text);
}
.tag i{color:var(--neon);font-size:12px;}
@media (max-width:767.98px){
  .banner-inner{padding:40px 24px;}
}

/* ============ 徽章墙 ============ */
.badge-wall{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.wall-item{
  position:relative;
  padding:26px 24px;
  border-radius:var(--radius-md);
  background:linear-gradient(160deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.wall-item:hover{transform:translateY(-4px);border-color:rgba(37,244,238,.36);box-shadow:var(--shadow-hover);}
.wall-icon{
  width:50px;height:50px;border-radius:16px;
  display:grid;place-items:center;
  font-size:20px;color:#0B0E16;
  background-image:var(--grad);
  margin-bottom:16px;
  box-shadow:0 0 20px rgba(124,77,255,.3);
}
.wall-item h3{font-size:18px;margin-bottom:8px;}
.wall-item p{color:var(--muted);font-size:15px;}
.wall-meta{
  margin-top:16px;font-size:13px;color:var(--neon);
  font-weight:700;letter-spacing:.6px;
}
@media (max-width:991.98px){.badge-wall{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.badge-wall{grid-template-columns:1fr;}}

/* ============ 对比表 ============ */
.table-panel{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--surface),rgba(10,13,20,.6));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.table-panel-head{
  padding:26px 30px 20px;
  border-bottom:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.table-panel-head h3{font-size:20px;}
.table-panel-head .hint{font-size:13px;color:var(--muted);}
.table-wrap{overflow-x:auto;}
table.compare{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare thead th{
  text-align:left;
  padding:18px 30px;
  font-size:13px;
  letter-spacing:1px;
  color:var(--neon);
  font-weight:700;
  background:rgba(37,244,238,.05);
  border-bottom:2px solid rgba(37,244,238,.45);
  white-space:nowrap;
}
table.compare tbody td{
  padding:18px 30px;
  border-bottom:1px solid var(--line);
  color:var(--muted);
  vertical-align:top;
}
table.compare tbody td:first-child{color:var(--text);font-weight:700;white-space:nowrap;}
table.compare tbody tr{transition:background .2s ease;}
table.compare tbody tr:hover{background:rgba(255,255,255,.035);}
table.compare tbody tr:last-child td{border-bottom:none;}
.pill-ok,.pill-warn{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;
}
.pill-ok{background:rgba(55,214,122,.12);color:var(--ok);border:1px solid rgba(55,214,122,.35);}
.pill-warn{background:rgba(255,176,32,.12);color:var(--warn);border:1px solid rgba(255,176,32,.35);}

/* ============ 校验清单 ============ */
.checklist{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.check-item{
  display:flex;gap:18px;
  padding:24px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.check-item:hover{border-color:rgba(255,122,26,.4);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.check-box{
  flex:0 0 44px;width:44px;height:44px;
  border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;font-size:16px;
  color:var(--neon);
  background:rgba(37,244,238,.08);
  border:1px solid rgba(37,244,238,.34);
}
.check-item h3{font-size:17px;margin-bottom:8px;}
.check-item p{color:var(--muted);font-size:15px;}
@media (max-width:991.98px){.checklist{grid-template-columns:1fr;}}

/* ============ 警示卡 ============ */
.warn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.warn-card{
  position:relative;
  padding:26px 26px 26px 30px;
  border-radius:var(--radius-md);
  background:linear-gradient(150deg,rgba(255,77,109,.09),rgba(18,23,34,.9));
  border:1px solid rgba(255,77,109,.28);
  overflow:hidden;
}
.warn-card::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,#FF4D6D,#FFB020);
}
.warn-card h3{
  font-size:17px;margin-bottom:10px;
  display:flex;align-items:center;gap:10px;
}
.warn-card h3 i{color:var(--danger);font-size:16px;}
.warn-card p{color:var(--muted);font-size:15px;}
@media (max-width:767.98px){.warn-grid{grid-template-columns:1fr;}}

/* ============ 图片条 ============ */
.shot-strip{
  margin-top:56px;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:22px;
}
.shot{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  min-height:220px;
}
.shot img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;
  font-size:14px;color:var(--text);
  background:linear-gradient(180deg,transparent,rgba(6,8,13,.92));
}
@media (max-width:767.98px){.shot-strip{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;}
.faq-item{
  border-radius:var(--radius-md)!important;
  border:1px solid var(--line)!important;
  background:var(--surface)!important;
  overflow:hidden;
  margin-bottom:16px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:has(.accordion-button:not(.collapsed)){border-color:rgba(37,244,238,.34)!important;box-shadow:0 0 0 1px rgba(37,244,238,.18),0 18px 44px rgba(0,0,0,.35);}
.accordion-button{
  background:transparent!important;
  color:var(--text)!important;
  font-weight:700;
  font-size:17px;
  padding:22px 26px 22px 76px;
  box-shadow:none!important;
  position:relative;
  gap:12px;
}
.accordion-button::before{
  content:attr(data-index);
  position:absolute;left:26px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;
  border-radius:10px;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;
  color:var(--neon);
  background:rgba(37,244,238,.08);
  border:1px solid rgba(37,244,238,.3);
}
.accordion-button::after{
  filter:invert(1) sepia(1) saturate(4) hue-rotate(150deg);
  opacity:.75;
}
.accordion-button:not(.collapsed){color:var(--neon)!important;}
.accordion-body{
  padding:0 26px 26px 76px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}
@media (max-width:575.98px){
  .accordion-button{padding:20px 60px 20px 60px;font-size:16px;}
  .accordion-button::before{left:16px;width:28px;height:28px;}
  .accordion-body{padding:0 20px 22px 20px;}
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  border-radius:var(--radius-lg);
  padding:56px 50px;
  background:
    radial-gradient(520px 260px at 12% 0%,rgba(255,122,26,.2),transparent 60%),
    radial-gradient(520px 300px at 88% 100%,rgba(124,77,255,.22),transparent 62%),
    var(--surface-2);
  border:1px solid transparent;
  background-clip:padding-box;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:1px;
  background-image:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;opacity:.7;
}
.cta-panel h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.cta-panel p{color:var(--muted);max-width:660px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
@media (max-width:767.98px){.cta-panel{padding:36px 24px;}}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  background:#080A11;
  border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:"";display:block;height:2px;background-image:var(--grad);opacity:.8;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{font-size:17px;font-weight:800;}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.85;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);letter-spacing:.5px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:var(--muted);font-size:14px;}
.footer-col ul li a:hover{color:var(--neon);}
.footer-note{color:var(--muted);font-size:13px;line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--muted);font-size:13px;
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--neon);}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:26px;bottom:26px;
  z-index:1040;
  display:flex;align-items:center;gap:10px;
  padding:10px;
  border-radius:999px;
  background:rgba(18,23,34,.94);
  border:1px solid var(--line-strong);
  box-shadow:0 18px 50px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .btn-icon{
  width:44px;height:44px;padding:0;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);
  color:var(--text);
  display:grid;place-items:center;
}
.float-cta .btn-icon:hover{color:var(--neon);border-color:rgba(37,244,238,.5);}
.mobile-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;
  z-index:1040;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(10,13,20,.96);
  border-top:1px solid var(--line);
  gap:10px;
}
.mobile-cta .btn{flex:1;padding:13px 12px;font-size:15px;}
@media (max-width:767.98px){
  .float-cta{display:none;}
  .mobile-cta{display:flex;}
  body{padding-bottom:78px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  :root{--sec-pad:56px;}
}

/* roulang page: category3 */
:root{
  --c-orange:#FF7A1A;
  --c-purple:#7C4DFF;
  --c-cyan:#25F4EE;
  --c-green:#37D67A;
  --c-warn:#FFB020;
  --c-danger:#FF4D6D;
  --bg:#0A0D14;
  --surface:#121722;
  --surface-2:#171D2B;
  --surface-3:#1D2433;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#F5F7FA;
  --muted:#A9B2C3;
  --grad:linear-gradient(135deg,#FF7A1A 0%,#7C4DFF 52%,#25F4EE 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,122,26,.18),rgba(124,77,255,.14),rgba(37,244,238,.16));
  --r-xl:30px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 12px 40px rgba(0,0,0,.35);
  --shadow-hover:0 20px 60px rgba(255,122,26,.18);
  --shadow-cyan:0 0 24px rgba(37,244,238,.28);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--c-cyan);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.28;letter-spacing:.01em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-cyan);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ---------- 顶栏导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,13,20,.9);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,122,26,.9),rgba(124,77,255,.9),rgba(37,244,238,.9),transparent);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-logo{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:20px;color:#fff;background:var(--grad);
  box-shadow:0 8px 24px rgba(255,122,26,.3);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:17px;line-height:1.2;letter-spacing:.01em;}
.brand-text small{font-weight:400;font-size:12px;color:var(--muted);letter-spacing:.04em;margin-top:2px;}
.nav-toggle{
  width:44px;height:44px;border-radius:13px;border:1px solid var(--line-strong);
  background:var(--surface-2);color:var(--c-cyan);font-size:18px;display:grid;place-items:center;
  cursor:pointer;transition:.25s ease;
}
.nav-toggle:hover{border-color:rgba(37,244,238,.6);box-shadow:var(--shadow-cyan);}
.nav-links{align-items:center;gap:4px;}
.nav-links a:not(.btn){
  position:relative;display:inline-block;padding:10px 15px;border-radius:999px;
  font-size:15px;color:var(--muted);transition:.25s ease;
}
.nav-links a:not(.btn):hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a:not(.btn).active{color:#fff;text-shadow:0 0 14px rgba(37,244,238,.55);}
.nav-links a:not(.btn).active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-orange),var(--c-cyan));
  box-shadow:0 0 12px rgba(37,244,238,.75);
}
.nav-cta{margin-left:8px;flex-shrink:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;line-height:1;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn:focus,.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(37,244,238,.35);}
.btn-brand{background:var(--grad);color:#0A0D14;box-shadow:0 10px 30px rgba(255,122,26,.28);font-weight:800;}
.btn-brand:hover{color:#0A0D14;transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,122,26,.42),0 0 24px rgba(37,244,238,.28);}
.btn-outline-neon{background:transparent;color:#fff;border-color:rgba(37,244,238,.55);}
.btn-outline-neon:hover{color:#fff;border-color:var(--c-cyan);box-shadow:var(--shadow-cyan);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--muted);border-color:var(--line);}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.08);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- Hero --- 分类横幅 ---------- */
.page-hero{position:relative;overflow:hidden;padding:86px 0 92px;border-bottom:1px solid var(--line);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.32;filter:saturate(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 320px at 12% 18%,rgba(255,122,26,.22),transparent 70%),
    radial-gradient(620px 340px at 88% 82%,rgba(37,244,238,.18),transparent 72%),
    linear-gradient(180deg,rgba(10,13,20,.72),rgba(10,13,20,.94));
}
.page-hero .container-x{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--c-cyan);}
.crumb .sep{color:rgba(255,255,255,.28);}
.crumb .now{color:#fff;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:46px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 18px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--c-cyan);border:1px solid rgba(37,244,238,.42);
  background:rgba(37,244,238,.08);margin-bottom:22px;
}
.eyebrow i{font-size:12px;}
.hero-title{font-size:clamp(30px,4.6vw,50px);font-weight:800;letter-spacing:.005em;margin-bottom:20px;}
.hero-title .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:640px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:9px;padding:9px 18px;border-radius:999px;
  background:rgba(18,23,34,.78);border:1px solid var(--line);font-size:13.5px;color:var(--muted);
  transition:.25s ease;
}
.badge-pill:hover{border-color:rgba(37,244,238,.4);box-shadow:var(--shadow-cyan);}
.badge-pill b{color:#fff;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;}
.badge-pill i{color:var(--c-orange);}
.hero-side{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow);
}
.hero-side img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.92;}
.hero-side .side-cap{
  position:absolute;left:0;right:0;bottom:0;padding:22px 24px;
  background:linear-gradient(180deg,transparent,rgba(10,13,20,.94));
}
.hero-side .side-cap strong{display:block;font-size:16px;font-weight:800;margin-bottom:4px;}
.hero-side .side-cap span{font-size:13.5px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:linear-gradient(180deg,rgba(18,23,34,.6),rgba(10,13,20,0));}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--c-orange);margin-bottom:12px;text-transform:uppercase;
}
.section-title{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.section-title .u{position:relative;display:inline-block;}
.section-title .u::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--c-orange),var(--c-cyan));opacity:.85;
}
.section-desc{color:var(--muted);font-size:16px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-orange),var(--c-purple),var(--c-cyan));
  opacity:.55;border-radius:2px;
}
.tl-item{position:relative;margin-bottom:20px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;left:-34px;top:26px;width:24px;height:24px;border-radius:50%;
  background:var(--surface);border:2px solid var(--c-cyan);
  box-shadow:0 0 16px rgba(37,244,238,.55);
  display:grid;place-items:center;font-size:10px;font-weight:800;color:var(--c-cyan);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 26px;transition:.3s ease;
}
.tl-card:hover{border-color:rgba(255,122,26,.4);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.tl-top h3{font-size:19px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;border:1px solid var(--line-strong);color:var(--muted);
  background:rgba(255,255,255,.03);
}
.tag-orange{color:var(--c-orange);border-color:rgba(255,122,26,.42);background:rgba(255,122,26,.1);}
.tag-cyan{color:var(--c-cyan);border-color:rgba(37,244,238,.42);background:rgba(37,244,238,.1);}
.tag-purple{color:#B79BFF;border-color:rgba(124,77,255,.5);background:rgba(124,77,255,.14);}
.tag-green{color:var(--c-green);border-color:rgba(55,214,122,.42);background:rgba(55,214,122,.1);}
.tl-card p{font-size:15.5px;color:var(--muted);}
.tl-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px;font-size:13.5px;color:var(--muted);}
.tl-meta i{color:var(--c-cyan);margin-right:6px;}

/* ---------- 标签筛选 + 卡片 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  padding:9px 20px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;transition:.25s ease;
}
.chip:hover{color:#fff;border-color:rgba(37,244,238,.5);}
.chip.active{
  color:#fff;border-color:rgba(37,244,238,.62);
  background:linear-gradient(135deg,rgba(255,122,26,.22),rgba(37,244,238,.18));
  box-shadow:0 0 20px rgba(37,244,238,.22);
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.v-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:.3s ease;
}
.v-card:hover{transform:translateY(-4px);border-color:rgba(255,122,26,.42);box-shadow:var(--shadow-hover);}
.v-card .thumb{position:relative;overflow:hidden;}
.v-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.v-card:hover .thumb img{transform:scale(1.05);}
.v-card .thumb .tag{position:absolute;left:14px;top:14px;background:rgba(10,13,20,.82);}
.v-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.v-card h3{font-size:18px;margin-bottom:10px;}
.v-card p{font-size:15px;color:var(--muted);flex:1;}
.v-card .foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.v-card .foot a{color:var(--c-cyan);font-weight:700;}
.v-card .foot a:hover{color:var(--c-orange);}
.is-hidden{display:none !important;}

/* ---------- 核验清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.check-card{
  display:flex;gap:18px;padding:24px;border-radius:var(--r-lg);
  background:var(--surface-2);border:1px solid var(--line);transition:.3s ease;
}
.check-card:hover{border-color:rgba(37,244,238,.35);box-shadow:0 16px 44px rgba(37,244,238,.1);}
.check-icon{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid var(--line-strong);color:var(--c-cyan);font-size:19px;
}
.check-card h3{font-size:17.5px;margin-bottom:8px;}
.check-card p{font-size:15px;color:var(--muted);}
.check-card ul{margin-top:10px;}
.check-card li{position:relative;padding-left:20px;font-size:14.5px;color:var(--muted);margin-bottom:6px;}
.check-card li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--c-cyan);box-shadow:0 0 10px rgba(37,244,238,.7);
}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;padding:20px 24px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(255,176,32,.1),rgba(255,77,109,.08));
  border:1px solid rgba(255,176,32,.34);margin-top:28px;
}
.notice i{color:var(--c-warn);font-size:20px;margin-top:3px;}
.notice strong{display:block;color:#FFD691;margin-bottom:4px;font-size:16px;}
.notice p{font-size:15px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:940px;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg) !important;
  overflow:hidden;margin-bottom:14px;position:relative;
}
.accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;transition:.3s ease;
}
.accordion-item:has(.accordion-button:not(.collapsed))::before{
  background:linear-gradient(180deg,var(--c-orange),var(--c-cyan));
  box-shadow:0 0 18px rgba(37,244,238,.6);
}
.accordion-button{
  display:flex;align-items:center;gap:16px;width:100%;
  background:transparent !important;color:var(--text) !important;
  font-size:17px;font-weight:700;padding:22px 26px;border:none;box-shadow:none !important;
  transition:.25s ease;
}
.accordion-button:not(.collapsed){color:#fff !important;}
.accordion-button:hover{color:var(--c-cyan) !important;}
.accordion-button:focus{box-shadow:none !important;}
.accordion-button .faq-no{
  flex:0 0 34px;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--c-cyan);
  background:rgba(37,244,238,.1);border:1px solid rgba(37,244,238,.35);
}
.accordion-button::after{
  content:"";margin-left:auto;flex:0 0 auto;
  width:11px;height:11px;background-image:none !important;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .3s ease,border-color .3s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(225deg);border-color:var(--c-cyan);}
.accordion-body{
  padding:0 26px 24px 76px;color:var(--muted);font-size:15.5px;
}
.accordion-body p{margin-bottom:10px;}
.accordion-body ul{margin-top:8px;}
.accordion-body li{position:relative;padding-left:18px;margin-bottom:6px;font-size:15px;}
.accordion-body li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--c-orange);
}

/* ---------- CTA 区 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:54px 46px;border:1px solid var(--line-strong);
  background:
    radial-gradient(520px 260px at 88% 12%,rgba(37,244,238,.18),transparent 70%),
    radial-gradient(520px 300px at 8% 88%,rgba(255,122,26,.2),transparent 72%),
    var(--surface-2);
  box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);padding:1px;
  background:var(--grad);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;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-inner p{color:var(--muted);font-size:16px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 返回入口 ---------- */
.back-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.back-card{
  display:block;padding:26px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);transition:.3s ease;
}
.back-card:hover{transform:translateY(-4px);border-color:rgba(37,244,238,.42);box-shadow:0 18px 48px rgba(37,244,238,.12);}
.back-card i{font-size:20px;color:var(--c-orange);margin-bottom:14px;display:block;}
.back-card strong{display:block;font-size:17px;margin-bottom:8px;}
.back-card span{font-size:14.5px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;background:#080B11;border-top:1px solid var(--line);
  padding:66px 0 30px;margin-top:20px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-orange),var(--c-purple),var(--c-cyan),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-logo{width:38px;height:38px;font-size:18px;border-radius:12px;}
.footer-brand strong{font-size:16.5px;}
.footer-desc{font-size:14.5px;color:var(--muted);max-width:360px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:var(--muted);}
.footer-col a:hover{color:var(--c-cyan);}
.footer-note{font-size:14px;color:var(--muted);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.footer-bottom a{color:var(--c-cyan);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:1040;
  display:flex;align-items:center;gap:10px;
  padding:9px 9px 9px 22px;border-radius:999px;
  background:rgba(18,23,34,.92);border:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 16px 44px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:.35s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .txt{font-size:14px;color:var(--muted);font-weight:600;}
.float-cta .txt b{color:#fff;display:block;font-size:14.5px;}
.to-top{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);background:var(--surface-3);color:var(--c-cyan);
  cursor:pointer;transition:.25s ease;
}
.to-top:hover{border-color:rgba(37,244,238,.6);box-shadow:var(--shadow-cyan);}
.mobile-bar{display:none;}

/* ---------- 响应式 ---------- */
@media (min-width:992px){
  .nav-links.collapse{display:flex !important;height:auto !important;visibility:visible !important;}
}
@media (max-width:991.98px){
  .nav-links.collapse{
    position:fixed;left:0;right:0;top:74px;bottom:0;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    padding:26px 22px calc(120px + env(safe-area-inset-bottom));
    background:rgba(8,11,17,.985);overflow-y:auto;z-index:1029;
    border-top:1px solid var(--line);
  }
  .nav-links.collapse.show{display:flex;}
  .nav-links a:not(.btn){padding:18px 16px;font-size:17px;border-radius:14px;background:rgba(255,255,255,.03);}
  .nav-links a:not(.btn).active{background:rgba(37,244,238,.08);}
  .nav-links a:not(.btn).active::after{left:16px;right:auto;width:26px;bottom:8px;}
  .nav-cta{margin:20px 0 0;width:100%;padding:16px 24px;font-size:16px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .section{padding:64px 0;}
  .page-hero{padding:58px 0 66px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-grid{grid-template-columns:1fr;}
  .back-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .float-cta{display:none;}
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:1040;display:flex;gap:10px;
    align-items:center;padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    background:rgba(10,13,20,.96);border-top:1px solid var(--line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  }
  .mobile-bar .btn{flex:1;}
  .mobile-bar .to-top{flex:0 0 46px;width:46px;height:46px;}
  body{padding-bottom:82px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:52px 0;}
  .card-grid{grid-template-columns:1fr;}
  .back-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;border-radius:24px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .timeline{padding-left:26px;}
  .timeline::before{left:7px;}
  .tl-dot{left:-26px;width:18px;height:18px;font-size:8px;top:24px;}
  .tl-card{padding:20px;}
  .accordion-body{padding:0 20px 22px 20px;}
  .accordion-button{padding:18px 20px;font-size:16px;gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container-x{padding:0 16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .badge-pill{padding:8px 14px;font-size:12.5px;}
  .brand-text{font-size:15px;}
  .brand-text small{font-size:11px;}
}