/* roulang page: index */
:root{
  --bg:#060A16;
  --panel:#0D1630;
  --glass:rgba(16,26,48,.62);
  --primary:#1B4DFF;
  --accent:#2CE8C8;
  --gold:#FFB020;
  --purple:#8B5CF6;
  --text:#E8EEFF;
  --text-2:#9AA9C8;
  --text-3:#6B7A99;
  --line:rgba(120,180,255,.14);
  --r-lg:18px;
  --r-md:14px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,10,40,.55);
  --bs-body-bg:#060A16;
  --bs-body-color:#E8EEFF;
  --bs-border-color:rgba(120,180,255,.14);
  --bs-link-color:#E8EEFF;
  --bs-link-hover-color:#2CE8C8;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-3;pointer-events:none;
  background-image:
    linear-gradient(rgba(90,140,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(620px 420px at 10% 6%,rgba(44,232,200,.16),transparent 70%),
    radial-gradient(760px 520px at 90% 26%,rgba(27,77,255,.18),transparent 74%);
  filter:blur(120px);
}
.noise-layer{
  position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color .25s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.01em;font-weight:700;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(13,22,48,.35),rgba(6,10,22,0));}
.glow-line{height:1px;border:0;background:linear-gradient(90deg,transparent,rgba(44,232,200,.45),rgba(27,77,255,.35),transparent);margin:0;opacity:.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);background:rgba(44,232,200,.08);
  border:1px solid rgba(44,232,200,.28);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:20px;font-weight:600;
}
.eyebrow i{font-size:11px;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16px;}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;max-width:none;}
.text-accent{color:var(--accent);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,10,22,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(6,10,22,.88);
  border-bottom-color:var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(44,232,200,.9),rgba(27,77,255,.9));
  clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
  box-shadow:0 0 22px rgba(44,232,200,.45);
  color:#03121A;font-weight:800;font-size:16px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;color:#fff;font-weight:800;letter-spacing:-.01em;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.18em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:28px;margin:0;}
.nav-link-x{
  position:relative;display:inline-block;padding:8px 2px;
  font-size:15px;color:var(--text-2);font-weight:500;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;box-shadow:0 0 10px rgba(44,232,200,.7);
}
.nav-link-x:hover{color:var(--text);}
.nav-link-x:hover::after{transform:scaleX(1);}
.nav-link-x.active{color:#fff;font-weight:700;}
.nav-link-x.active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2CE8C8,#1FA9FF);
  color:#04121C;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 8px 24px rgba(44,232,200,.32);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
  white-space:nowrap;
}
.nav-cta:hover{color:#04121C;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 12px 32px rgba(44,232,200,.45);}
.nav-cta:active{transform:translateY(0);}
.burger{
  width:44px;height:44px;border-radius:12px;display:none;place-items:center;
  border:1px solid var(--line);background:rgba(16,26,48,.6);color:var(--text);font-size:17px;
}
.burger:hover{border-color:rgba(44,232,200,.5);color:var(--accent);}
.drawer{background:rgba(8,13,28,.98)!important;backdrop-filter:blur(18px);border-left:1px solid var(--line)!important;width:min(92vw,380px)!important;color:var(--text);}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;}
.drawer .drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;border-bottom:1px solid rgba(120,180,255,.1);
  font-size:16px;color:var(--text-2);font-weight:600;
}
.drawer .drawer-link:hover,.drawer .drawer-link.active{color:var(--accent);}
.drawer .drawer-foot{margin-top:auto;padding-top:22px;}
@media (max-width:991.98px){
  .nav-menu,.nav-cta.desk{display:none;}
  .burger{display:grid;}
}

/* ============ 按钮 ============ */
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-pill);border:0;
  background:linear-gradient(135deg,#2CE8C8,#1FA9FF);
  color:#04121C;font-weight:800;font-size:15px;
  box-shadow:0 8px 24px rgba(44,232,200,.35);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
  position:relative;min-height:46px;
}
.btn-neon:hover{color:#04121C;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 14px 34px rgba(44,232,200,.48);}
.btn-neon:active{transform:translateY(0);box-shadow:0 6px 18px rgba(44,232,200,.3);}
.btn-neon.pulse::after{
  content:"";position:absolute;inset:-2px;border-radius:inherit;
  border:1px solid rgba(44,232,200,.55);
  animation:pulseRing 2.6s ease-out infinite;pointer-events:none;
}
@keyframes pulseRing{
  0%{opacity:.75;transform:scale(1);}
  70%{opacity:0;transform:scale(1.16);}
  100%{opacity:0;transform:scale(1.16);}
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;
  border:1px solid rgba(44,232,200,.45);background:transparent;
  color:var(--text);font-weight:600;font-size:15px;
  transition:background .25s ease,border-color .25s ease,transform .25s ease,color .25s ease;
  min-height:46px;
}
.btn-ghost:hover{background:rgba(44,232,200,.12);border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--accent);
  font-weight:700;font-size:14px;
}
.btn-arrow i{transition:transform .25s ease;}
.btn-arrow:hover i{transform:translateX(4px);}

/* ============ 卡片通用 ============ */
.card-glass{
  position:relative;background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card-glass::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(120,200,255,.55),transparent);
}
.card-glass:hover{border-color:rgba(44,232,200,.4);box-shadow:0 24px 50px rgba(0,12,44,.6),0 0 0 1px rgba(44,232,200,.18);}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(44,232,200,.12);color:var(--accent);border:1px solid rgba(44,232,200,.28);
}
.badge-tag.gold{background:rgba(255,176,32,.12);color:var(--gold);border-color:rgba(255,176,32,.32);}
.badge-tag.purple{background:rgba(139,92,246,.14);color:#b79bff;border-color:rgba(139,92,246,.35);}

/* ============ Hero ============ */
.hero{padding:88px 0 84px;position:relative;overflow:hidden;}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(120,180,255,.28),transparent);
}
.hero h1{
  font-size:clamp(32px,5vw,56px);
  line-height:1.18;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;
}
.hero h1 .hl{
  background:linear-gradient(100deg,#2CE8C8,#6FA8FF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;}
.hero-stats li{display:flex;flex-direction:column;}
.hero-stats strong{
  font-size:26px;font-weight:800;color:var(--accent);
  letter-spacing:.02em;text-shadow:0 0 18px rgba(44,232,200,.45);line-height:1.3;
}
.hero-stats span{font-size:13px;color:var(--text-3);letter-spacing:.08em;}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);
  clip-path:polygon(14px 0,100% 0,100% 100%,0 100%,0 14px);
  background:linear-gradient(140deg,#0D1630,#101F44);
  box-shadow:0 28px 60px rgba(0,8,32,.65);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:transform .6s ease;}
.hero-visual:hover img{transform:scale(1.03);}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,22,.12),rgba(6,10,22,.72));
}
.hero-float-card{
  position:absolute;left:20px;bottom:20px;right:20px;z-index:2;
  background:rgba(12,20,42,.78);backdrop-filter:blur(14px);
  border:1px solid rgba(120,200,255,.2);border-radius:14px;
  padding:16px 18px;display:flex;align-items:center;gap:14px;
}
.hero-float-card .fc-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(44,232,200,.25),rgba(27,77,255,.25));
  color:var(--accent);font-size:17px;border:1px solid rgba(44,232,200,.3);
}
.hero-float-card b{display:block;font-size:15px;color:#fff;}
.hero-float-card small{color:var(--text-2);font-size:13px;}

/* ============ 快捷入口 ============ */
.quick-entry{padding:8px 0 0;}
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.entry-card{
  display:block;padding:24px 22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);position:relative;overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.entry-card:hover{transform:translateY(-6px);border-color:rgba(44,232,200,.45);box-shadow:0 22px 44px rgba(0,10,40,.6);color:var(--text);}
.entry-card .ec-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:18px;color:var(--accent);margin-bottom:16px;
  background:linear-gradient(135deg,rgba(44,232,200,.16),rgba(27,77,255,.18));
  border:1px solid rgba(44,232,200,.24);
}
.entry-card h3{font-size:17px;margin-bottom:8px;}
.entry-card p{font-size:14px;color:var(--text-2);line-height:1.65;margin-bottom:12px;}
.entry-card .ec-go{font-size:13px;color:var(--accent);font-weight:700;display:inline-flex;align-items:center;gap:6px;}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.step{position:relative;padding:0 18px;}
.step-top{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.step-num{
  width:48px;height:48px;flex:0 0 48px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:var(--accent);
  background:rgba(10,20,42,.85);
  border:1px solid rgba(44,232,200,.45);
  box-shadow:0 0 22px rgba(44,232,200,.3),inset 0 0 14px rgba(44,232,200,.12);
}
.step-line{flex:1;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(44,232,200,.6),rgba(27,77,255,.15));}
.step:last-child .step-line{display:none;}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);}
.step i.step-ico{color:var(--accent);font-size:14px;margin-right:6px;}

/* ============ 奖励预览 ============ */
.reward-card{height:100%;display:flex;flex-direction:column;}
.reward-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,#101F44,#0A1128);}
.reward-thumb img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .5s ease;}
.reward-card:hover .reward-thumb img{transform:scale(1.06);}
.reward-thumb .badge-tag{position:absolute;top:12px;left:12px;backdrop-filter:blur(8px);}
.reward-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.reward-body h3{font-size:17px;margin-bottom:10px;}
.reward-body p{font-size:14px;color:var(--text-2);flex:1;margin-bottom:16px;}
.reward-num{font-size:28px;font-weight:800;color:var(--accent);line-height:1;text-shadow:0 0 18px rgba(44,232,200,.4);letter-spacing:.02em;}
.reward-num em{font-size:13px;font-style:normal;color:var(--text-3);margin-left:4px;letter-spacing:.06em;}

/* ============ 里程碑 ============ */
.milestone-track{position:relative;padding:36px 0 0;}
.track-bar{position:relative;height:8px;border-radius:8px;background:rgba(12,22,46,.9);border:1px solid var(--line);overflow:hidden;}
.track-bar span{
  display:block;height:100%;width:75%;
  background:linear-gradient(90deg,rgba(44,232,200,.9),rgba(27,77,255,.7));
  box-shadow:0 0 20px rgba(44,232,200,.5);
}
.track-bar span::after{
  content:"";position:absolute;top:0;bottom:0;width:60px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
  animation:flowLight 3.4s linear infinite;
}
@keyframes flowLight{0%{left:-60px;}100%{left:100%;}}
.milestones{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px;}
.mile{position:relative;padding-left:20px;}
.mile::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 12px rgba(44,232,200,.8);
}
.mile.pending::before{background:#33405E;box-shadow:none;}
.mile b{display:block;font-size:16px;margin-bottom:4px;}
.mile small{font-size:13px;color:var(--text-3);letter-spacing:.08em;}
.mile p{font-size:13px;color:var(--text-2);margin-top:8px;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(13,22,48,.95),rgba(10,18,40,.7));
  padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(90,140,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.07) 1px,transparent 1px);
  background-size:26px 26px;pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(44,232,200,.22),transparent 70%);
  filter:blur(60px);pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;max-width:600px;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15px;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 资讯列表 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;height:100%;}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#101F44,#0A1128);display:block;}
.news-thumb img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-thumb .badge-tag{position:absolute;left:12px;top:12px;backdrop-filter:blur(8px);max-width:calc(100% - 24px);}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a:hover{color:var(--accent);}
.news-body p{font-size:14px;color:var(--text-2);flex:1;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-3);}
.news-meta i{color:var(--accent);transition:transform .25s ease;}
.news-card:hover .news-meta i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  border:1px dashed rgba(120,180,255,.24);border-radius:var(--r-lg);
  background:rgba(13,22,48,.4);
}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:14px;display:block;}
.empty-state p{color:var(--text-2);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-acc .accordion-item{
  position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:16px;margin-bottom:14px;overflow:hidden;
  backdrop-filter:blur(14px);box-shadow:0 14px 32px rgba(0,8,32,.4);
}
.faq-acc .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--accent),var(--primary));
  box-shadow:0 0 14px rgba(44,232,200,.6);z-index:2;
}
.faq-acc .accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:17px;
  padding:20px 24px 20px 28px;box-shadow:none;border:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--accent);background:transparent;box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid rgba(44,232,200,.5);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:auto;height:auto;font-size:13px;color:var(--text-3);
  display:flex;align-items:center;justify-content:center;
  transition:transform .3s ease,color .3s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(90deg);color:var(--accent);}
.faq-acc .accordion-body{padding:0 28px 22px;color:var(--text-2);font-size:15px;}

/* ============ 页脚 ============ */
.site-footer{position:relative;margin-top:20px;padding-top:72px;background:linear-gradient(180deg,rgba(9,15,32,.6),rgba(4,7,16,.95));}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,232,200,.5),rgba(27,77,255,.4),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;}
.footer-col h4{font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin-bottom:18px;font-weight:700;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .25s ease,transform .25s ease;}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-col .contact-line{font-size:14px;color:var(--text-2);margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.footer-col .contact-line i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--accent);}
.footer-toggle{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .step:nth-child(2) .step-line{display:none;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .hero{padding:60px 0 64px;}
  .hero-visual{margin-top:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:36px 28px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .section-head{margin-bottom:36px;}
  .entry-grid{grid-template-columns:1fr;gap:16px;}
  .news-grid{grid-template-columns:1fr;gap:16px;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{padding:0 0 26px 0;border-left:2px solid rgba(44,232,200,.3);padding-left:22px;margin-left:12px;}
  .step:last-child{border-left-color:transparent;padding-bottom:0;}
  .step-top{flex-direction:column;align-items:flex-start;gap:12px;}
  .step-line{display:none;}
  .step-num{width:42px;height:42px;flex:0 0 42px;font-size:15px;}
  .milestones{grid-template-columns:1fr;gap:18px;}
  .hero-stats{gap:24px;}
  .footer-grid{grid-template-columns:1fr;gap:8px;}
  .footer-col{padding:4px 0;border-bottom:1px solid rgba(120,180,255,.1);}
  .footer-col h4{display:flex;align-items:center;justify-content:space-between;cursor:pointer;margin-bottom:0;padding:14px 0;}
  .footer-col h4::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--text-3);transition:transform .3s ease;}
  .footer-col.open h4::after{transform:rotate(180deg);}
  .footer-col .footer-list{max-height:0;overflow:hidden;transition:max-height .35s ease;}
  .footer-col.open .footer-list{max-height:340px;padding-bottom:14px;}
  .footer-brand{padding-bottom:18px;}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn-neon,.cta-band .cta-actions .btn-ghost{width:100%;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .hero h1{font-size:clamp(28px,8vw,34px);}
  .hero-actions .btn-neon,.hero-actions .btn-ghost{width:100%;}
  .hero-stats{gap:18px;}
  .hero-stats strong{font-size:22px;}
  .hero-float-card{padding:12px 14px;gap:10px;left:12px;right:12px;bottom:12px;}
  .hero-float-card small{font-size:12px;}
  .news-head{margin-bottom:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: article */
:root{
  --bg:#060A16;
  --panel:#0D1630;
  --glass:rgba(16,26,48,.62);
  --primary:#1B4DFF;
  --accent:#2CE8C8;
  --gold:#FFB020;
  --violet:#8B5CF6;
  --text:#E8EEFF;
  --text-2:#9AA9C8;
  --text-3:#6B7A99;
  --line:rgba(120,180,255,.14);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(0,10,40,.55);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Oxanium","Rajdhani","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(90,140,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
.aurora{position:fixed;z-index:0;pointer-events:none;filter:blur(120px);border-radius:50%}
.aurora-a{width:520px;height:520px;top:-160px;left:-120px;background:rgba(44,232,200,.15)}
.aurora-b{width:600px;height:600px;top:38%;right:-220px;background:rgba(27,77,255,.16)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
@media (min-width:1400px){.container{max-width:1320px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,22,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(9,15,32,.92);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,6,24,.55);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;display:grid;place-items:center;flex:0 0 auto;
  font-family:var(--font-num);font-weight:800;font-size:18px;color:#04121A;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  clip-path:polygon(50% 0,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
  box-shadow:0 0 22px rgba(44,232,200,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.01em}
.brand-text span{font-size:10.5px;color:var(--text-3);letter-spacing:.24em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link-x{
  position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);
  border-radius:10px;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
  box-shadow:0 0 10px rgba(44,232,200,.7);
}
.nav-link-x:hover{color:var(--text);background:rgba(27,77,255,.12)}
.nav-link-x:hover::after,.nav-link-x.active::after{transform:scaleX(1)}
.nav-link-x.active{color:var(--text);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:999px;
  font-size:15px;font-weight:700;color:#03131A;
  background:linear-gradient(135deg,var(--accent),#1FC9DD);
  box-shadow:0 8px 24px rgba(44,232,200,.35);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn-cta:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 14px 34px rgba(44,232,200,.5)}
.btn-cta:active{transform:translateY(0);filter:brightness(.96)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;font-size:17px;
  background:rgba(16,26,48,.6);
}
.nav-toggle:hover{border-color:rgba(44,232,200,.5);color:var(--accent)}
.drawer-cta{display:none}

/* ============ 通用按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease,filter .25s ease;
}
.btn-primary-x{
  color:#03131A;
  background:linear-gradient(135deg,var(--accent),#1FC9DD);
  box-shadow:0 8px 24px rgba(44,232,200,.35);
}
.btn-primary-x:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 36px rgba(44,232,200,.5);color:#03131A}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost-x{
  border-color:rgba(44,232,200,.45);color:#CFFFEF;
  background:rgba(44,232,200,.05);
}
.btn-ghost-x:hover{background:rgba(44,232,200,.14);transform:translateY(-2px);color:#CFFFEF}
.btn-ghost-x:active{transform:translateY(0)}
.btn-pulse{animation:pulseGlow 2.6s ease-in-out infinite}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 8px 24px rgba(44,232,200,.32)}
  50%{box-shadow:0 8px 34px rgba(44,232,200,.62)}
}
.arrow-link{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--accent);
}
.arrow-link i{transition:transform .25s ease}
.arrow-link:hover i{transform:translateX(4px)}

/* ============ 面包屑 ============ */
.crumbs{padding:26px 0 0;position:relative;z-index:2}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--text-3)}
.crumbs li{display:flex;align-items:center;gap:9px}
.crumbs li+li::before{content:"/";color:rgba(120,180,255,.32)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent)}
.crumbs li[aria-current]{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-top{padding:26px 0 40px;position:relative;z-index:2}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  border:1px solid var(--line);color:var(--text-2);
  background:rgba(27,77,255,.12);
}
.badge-cat{border-color:rgba(44,232,200,.42);color:#BDFBF0;background:rgba(44,232,200,.1)}
.badge-soft{background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.4);color:#D9CBFF}
.article-top h1{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;
  line-height:1.32;
  max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px;font-size:14px;color:var(--text-3)}
.meta-row li{display:flex;align-items:center;gap:8px}
.meta-row i{color:var(--accent);font-size:13px}
.article-cover{
  margin:30px 0 0;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);position:relative;
  background:linear-gradient(135deg,#0B1430,#101F42);
}
.article-cover img{width:100%;height:clamp(200px,34vw,380px);object-fit:cover}
.article-cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,10,22,.05),rgba(6,10,22,.55));
}

/* ============ 布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:36px;align-items:start;
  padding:44px 0 0;position:relative;z-index:2;
}
.article-main{min-width:0}

/* ============ 正文排版 ============ */
.article-body{
  max-width:820px;font-size:16.5px;line-height:1.85;color:#DCE6FF;
  overflow-wrap:break-word;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);font-weight:700;
  margin:2.2em 0 .9em;padding-left:16px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--primary));
  box-shadow:0 0 14px rgba(44,232,200,.6);
}
.article-body h3{
  position:relative;font-size:19px;font-weight:700;
  margin:1.7em 0 .7em;padding-left:13px;color:var(--text);
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),rgba(44,232,200,.15));
}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.74em;width:7px;height:7px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(44,232,200,.7);
}
.article-body ol{counter-reset:artol}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:.55em;counter-increment:artol}
.article-body ol li::before{
  content:counter(artol);position:absolute;left:0;top:.2em;
  width:21px;height:21px;border-radius:50%;display:grid;place-items:center;
  font-family:var(--font-num);font-size:12px;color:#BDFBF0;
  background:rgba(27,77,255,.24);border:1px solid rgba(44,232,200,.4);
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--accent);
  background:var(--glass);border-radius:0 14px 14px 0;color:#CFE0FF;
  backdrop-filter:blur(10px);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:1.4em auto;border:1px solid var(--line)}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#8CFFF0}
.article-body hr{border:none;height:1px;margin:2em 0;background:linear-gradient(90deg,transparent,var(--line),transparent)}
.article-body code{
  background:rgba(27,77,255,.18);padding:2px 7px;border-radius:6px;font-size:14px;
  color:#BDFBF0;
}
.article-body pre{
  background:rgba(8,14,30,.92);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;margin:1.4em 0;
}
.article-body pre code{background:none;padding:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th{background:rgba(27,77,255,.2);color:var(--text);text-align:left;font-weight:700}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(odd){background:rgba(16,26,48,.45)}
.article-body tbody tr:last-child td{border-bottom:none}

/* ============ 空态 ============ */
.empty-state{
  max-width:820px;padding:56px 26px;text-align:center;
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(14px);
}
.empty-state i{font-size:38px;color:var(--accent);display:block;margin-bottom:16px;opacity:.85}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ============ 文末 ============ */
.article-foot{max-width:820px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row span.lbl{font-size:13px;color:var(--text-3);letter-spacing:.08em}
.tag-x{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(16,26,48,.6);
}
.tag-x:hover{border-color:rgba(44,232,200,.5);color:var(--accent)}
.read-next{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  padding:22px;border-radius:var(--radius);
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,232,200,.55),transparent);
}
.side-card h3{
  font-size:15px;font-weight:700;letter-spacing:.04em;
  margin-bottom:14px;color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--accent);font-size:13px}
.side-card p{font-size:13.5px;color:var(--text-2);line-height:1.8}
.side-list li+li{margin-top:12px}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-2);padding-left:14px;position:relative;
}
.side-list a::before{
  content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;border-radius:50%;
  background:rgba(44,232,200,.65);
}
.side-list a:hover{color:var(--accent);transform:translateX(3px)}
.side-list a i{font-size:11px;color:var(--text-3)}

/* ============ 相关推荐 ============ */
.related{padding:70px 0 0;position:relative;z-index:2}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:clamp(21px,2.6vw,28px);font-weight:700}
.sec-head p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--radius);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;
}
.post-card::after{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(150,210,255,.4),transparent);
}
.post-card:hover{transform:translateY(-6px);border-color:rgba(44,232,200,.42);box-shadow:0 26px 50px rgba(0,10,40,.6)}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0B1430,#12224A)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:16.5px;font-weight:700;line-height:1.5}
.post-body p{font-size:13.8px;color:var(--text-2);line-height:1.7}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.post-meta i{color:var(--accent)}

/* ============ CTA 带 ============ */
.cta-band{
  margin-top:80px;position:relative;z-index:2;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 12% 50%,rgba(44,232,200,.14),transparent 70%),
    linear-gradient(rgba(90,140,255,.06) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg,rgba(90,140,255,.06) 1px,transparent 1px) 0 0/24px 24px,
    rgba(10,17,36,.6);
  overflow:hidden;
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:26px;padding:52px 0;
}
.cta-inner h2{font-size:clamp(20px,2.5vw,28px);font-weight:700}
.cta-inner p{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;position:relative;z-index:2;
  background:rgba(7,12,26,.92);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,232,200,.65),rgba(27,77,255,.55),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.6px;color:var(--text-2);line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;color:var(--text)}
.footer-list li+li{margin-top:11px}
.footer-list a{font-size:13.8px;color:var(--text-2);display:inline-block}
.footer-list a:hover{color:var(--accent);transform:translateX(3px)}
.contact-line{display:flex;align-items:flex-start;gap:9px;font-size:13.6px;color:var(--text-2);line-height:1.7}
.contact-line+.contact-line{margin-top:11px}
.contact-line i{color:var(--accent);margin-top:4px;font-size:12px}
.footer-bottom{
  margin-top:46px;padding:20px 0 26px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.8px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex}
  .btn-cta{display:none}
  .header-inner{min-height:66px}
  .nav-menu{
    position:fixed;left:0;right:0;top:66px;bottom:0;
    flex-direction:column;align-items:stretch;gap:10px;
    margin:0;padding:22px 20px 130px;
    background:rgba(6,10,22,.985);
    backdrop-filter:blur(18px);
    transform:translateX(100%);
    transition:transform .35s ease;
    overflow-y:auto;z-index:75;
  }
  body.nav-open{overflow:hidden}
  body.nav-open .nav-menu{transform:translateX(0)}
  .nav-link-x{font-size:16.5px;padding:15px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(16,26,48,.5)}
  .nav-link-x::after{display:none}
  .nav-link-x.active,.nav-link-x:hover{border-color:rgba(44,232,200,.45);color:var(--accent)}
  .drawer-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:76;
    padding:16px 20px;justify-content:center;
    background:linear-gradient(180deg,rgba(6,10,22,0),rgba(6,10,22,.98) 40%);
  }
  .drawer-cta .btn-x{width:100%;max-width:420px}
  .article-side{position:static;margin-top:36px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:34px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .cta-inner{padding:44px 0}
}
@media (max-width:767px){
  .crumbs{padding-top:20px}
  .crumbs li[aria-current]{max-width:200px}
  .article-top{padding:20px 0 30px}
  .article-cover img{height:200px}
  .cta-actions{width:100%}
  .cta-actions .btn-x{flex:1 1 180px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .article-body{font-size:16px}
  .related{padding-top:52px}
  .cta-band{margin-top:56px}
  .read-next .btn-x{width:100%}
}

/* roulang page: category2 */
:root{
  --bg:#060A16;
  --panel:#0D1630;
  --glass:rgba(16,26,48,.62);
  --primary:#1B4DFF;
  --accent:#2CE8C8;
  --gold:#FFB020;
  --violet:#8B5CF6;
  --text:#E8EEFF;
  --muted:#9AA9C8;
  --dim:#6B7A99;
  --line:rgba(120,180,255,.14);
  --radius:18px;
  --shadow:0 18px 40px rgba(0,10,40,.55);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Rajdhani","Oxanium","Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(90,140,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 10% 6%,rgba(44,232,200,.16),transparent 70%),
    radial-gradient(760px 520px at 90% 24%,rgba(27,77,255,.17),transparent 72%);
}
.noise-layer{
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(/%23n)'/%3E%3C/svg%3E");
}
.page-layer{position:relative;z-index:2;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
a:hover{color:var(--accent);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;font-weight:700;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1400px){ .container{max-width:1320px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(8,13,30,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 30px rgba(0,8,30,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.brand-mark{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:#04121A;
  background:linear-gradient(140deg,var(--accent),#1B9BFF);
  clip-path:polygon(25% 0,75% 0,100% 50%,75% 100%,25% 100%,0 50%);
  box-shadow:0 0 22px rgba(44,232,200,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--dim);letter-spacing:.28em;}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link-x{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link-x::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s ease;
  box-shadow:0 0 10px rgba(44,232,200,.8);
}
.nav-link-x:hover{color:var(--text);background:rgba(44,232,200,.06);}
.nav-link-x:hover::after{transform:scaleX(1);}
.nav-link-x.active{color:var(--text);}
.nav-link-x.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn-primary-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  color:#04121A;
  background:linear-gradient(120deg,var(--accent),#20C9FF);
  box-shadow:0 8px 24px rgba(44,232,200,.35);
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn-primary-x:hover{
  color:#04121A;
  transform:translateY(-2px);
  filter:brightness(1.08);
  box-shadow:0 12px 32px rgba(44,232,200,.5);
}
.btn-primary-x:active{transform:translateY(0);box-shadow:0 6px 16px rgba(44,232,200,.3);}
.btn-ghost-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  border:1px solid rgba(44,232,200,.45);
  background:transparent;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.btn-ghost-x:hover{
  color:var(--text);
  background:rgba(44,232,200,.12);
  border-color:rgba(44,232,200,.8);
  transform:translateY(-2px);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(16,26,48,.7);
  color:var(--text);
  font-size:18px;
}
@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .header-actions .btn-primary-x{display:none;}
}
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(6,10,22,.97);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  display:flex;
  flex-direction:column;
  padding:24px 22px 0;
  transform:translateY(-102%);
  transition:transform .38s cubic-bezier(.4,0,.2,1);
}
.drawer.open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(16,26,48,.7);color:var(--text);font-size:18px;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:16px 14px;
  font-size:17px;
  font-weight:600;
  color:var(--muted);
  border-radius:12px;
  border:1px solid transparent;
}
.drawer-nav a.active,.drawer-nav a:hover{
  color:var(--text);
  background:rgba(44,232,200,.08);
  border-color:rgba(44,232,200,.24);
}
.drawer-foot{
  margin-top:auto;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
}
.drawer-foot .btn-primary-x{width:100%;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--dim);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.5;}
.crumb .current{color:var(--dim);}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:52px 0 80px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  font-family:var(--font-num);
  color:var(--accent);
  background:rgba(44,232,200,.1);
  border:1px solid rgba(44,232,200,.3);
}
.eyebrow i{font-size:12px;}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(32px,5vw,56px);
  font-weight:800;
  line-height:1.18;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--accent),#3FA9FF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:18px;
  max-width:560px;
  font-size:17px;
  color:var(--muted);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-cta .btn-primary-x.pulse{animation:pulseGlow 2.8s ease-in-out infinite;}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 8px 24px rgba(44,232,200,.32);}
  50%{box-shadow:0 10px 34px rgba(44,232,200,.6);}
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,36px);
  font-weight:700;
  letter-spacing:.04em;
  color:var(--accent);
  text-shadow:0 0 18px rgba(44,232,200,.45);
  line-height:1.1;
}
.stat-label{font-size:13px;color:var(--dim);margin-top:4px;}
.hero-visual{position:relative;}
.hero-visual .frame{
  position:relative;
  border-radius:14px 14px 14px 0;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  background:var(--panel);
}
.hero-visual .frame img{width:100%;height:390px;object-fit:cover;}
.hero-visual .frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(6,10,22,.05),rgba(6,10,22,.72));
}
.float-card{
  position:absolute;
  left:-18px;
  bottom:-26px;
  width:250px;
  padding:18px 20px;
  border-radius:16px;
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(120,200,255,.18);
  box-shadow:var(--shadow);
}
.float-card .fc-top{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.float-card .fc-top i{color:var(--accent);}
.float-card b{
  display:block;
  margin-top:8px;
  font-family:var(--font-num);
  font-size:26px;
  letter-spacing:.06em;
  color:var(--text);
}
.float-card small{display:block;margin-top:4px;font-size:12px;color:var(--dim);}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .page-hero{padding:36px 0 64px;}
  .hero-visual .frame img{height:280px;}
  .float-card{position:static;width:100%;margin-top:16px;}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;position:relative;}
.section-alt{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3.2vw,36px);
  font-weight:700;
  line-height:1.3;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.divider-glow{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(120,180,255,.35),transparent);
}
@media (max-width:991.98px){ .section{padding:72px 0;} }
@media (max-width:575.98px){
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
}

/* ============ 奖励卡片网格 ============ */
.reward-card{
  height:100%;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  position:relative;
  display:flex;
  flex-direction:column;
}
.reward-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(160,220,255,.5),transparent);
}
.reward-card:hover{
  transform:translateY(-6px);
  border-color:rgba(44,232,200,.45);
  box-shadow:0 22px 48px rgba(0,10,40,.62),0 0 0 1px rgba(44,232,200,.18);
}
.reward-media{overflow:hidden;position:relative;}
.reward-media img{
  width:100%;
  height:176px;
  object-fit:cover;
  transition:transform .5s ease;
  background:linear-gradient(140deg,#0D1630,#132149);
}
.reward-card:hover .reward-media img{transform:scale(1.06);}
.reward-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,10,22,0) 35%,rgba(6,10,22,.85));
}
.reward-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.reward-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.badge-x{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
}
.badge-accent{color:var(--accent);background:rgba(44,232,200,.12);border:1px solid rgba(44,232,200,.34);}
.badge-gold{color:var(--gold);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.34);}
.badge-violet{color:var(--violet);background:rgba(139,92,246,.14);border:1px solid rgba(139,92,246,.36);}
.badge-blue{color:#7FB6FF;background:rgba(27,77,255,.16);border:1px solid rgba(27,77,255,.4);}
.reward-icon{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--accent);
  background:rgba(44,232,200,.1);
  border:1px solid rgba(44,232,200,.24);
  font-size:16px;
}
.reward-body h3{font-size:20px;font-weight:700;}
.reward-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.reward-stat{
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed var(--line);
  display:flex;
  align-items:baseline;
  gap:10px;
}
.reward-stat b{
  font-family:var(--font-num);
  font-size:28px;
  letter-spacing:.05em;
  color:var(--text);
  text-shadow:0 0 16px rgba(44,232,200,.35);
}
.reward-stat span{font-size:13px;color:var(--dim);}

/* ============ 时间轴 ============ */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
  margin-top:18px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:6%;
  right:6%;
  top:26px;
  height:2px;
  background:linear-gradient(90deg,rgba(44,232,200,.75),rgba(27,77,255,.35) 55%,rgba(120,180,255,.14));
}
.tl-item{position:relative;text-align:center;padding-top:0;}
.tl-node{
  position:relative;
  width:54px;height:54px;
  margin:0 auto;
  display:grid;
  place-items:center;
  border-radius:50%;
  font-family:var(--font-num);
  font-size:17px;
  font-weight:700;
  color:var(--muted);
  background:var(--panel);
  border:1px solid var(--line);
  z-index:2;
}
.tl-item.done .tl-node{
  color:#04121A;
  background:linear-gradient(140deg,var(--accent),#20C9FF);
  border-color:transparent;
  box-shadow:0 0 26px rgba(44,232,200,.5);
}
.tl-item.now .tl-node{
  color:var(--accent);
  background:var(--panel);
  border-color:rgba(44,232,200,.6);
  box-shadow:0 0 22px rgba(44,232,200,.35);
}
.tl-item.now .tl-node::after{
  content:"";
  position:absolute;
  inset:-8px;
  border-radius:50%;
  border:1px solid rgba(44,232,200,.3);
  animation:ringPulse 2.8s ease-out infinite;
}
@keyframes ringPulse{
  0%{transform:scale(.85);opacity:.9;}
  100%{transform:scale(1.2);opacity:0;}
}
.tl-item h3{margin-top:20px;font-size:17px;}
.tl-item p{margin-top:8px;font-size:14px;color:var(--muted);}
.tl-pct{
  margin-top:12px;
  display:inline-block;
  padding:3px 12px;
  border-radius:999px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--dim);
  border:1px solid var(--line);
  background:rgba(16,26,48,.6);
}
.tl-item.done .tl-pct{color:var(--accent);border-color:rgba(44,232,200,.4);}
@media (max-width:991.98px){
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px;}
  .timeline::before{display:none;}
}
@media (max-width:575.98px){
  .timeline{grid-template-columns:1fr;text-align:left;padding-left:34px;gap:26px;}
  .timeline::before{
    display:block;
    left:16px;right:auto;top:10px;bottom:10px;
    width:2px;height:auto;
    background:linear-gradient(180deg,rgba(44,232,200,.75),rgba(120,180,255,.14));
  }
  .tl-node{margin:0 0 0 -34px;width:34px;height:34px;font-size:14px;position:relative;left:-16px;}
  .tl-item h3{margin-top:12px;}
}

/* ============ 双栏对比 ============ */
.compare-card{
  height:100%;
  padding:28px;
  border-radius:var(--radius);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.compare-card.accent{border-color:rgba(44,232,200,.34);}
.compare-card.violet{border-color:rgba(139,92,246,.3);}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.compare-head i{font-size:18px;color:var(--accent);}
.compare-card.violet .compare-head i{color:var(--violet);}
.compare-head h3{font-size:22px;}
.compare-sub{font-size:14px;color:var(--dim);margin-bottom:20px;}
.check-list li{
  position:relative;
  padding:10px 0 10px 28px;
  font-size:15px;
  color:var(--muted);
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;
  top:11px;
  font-size:12px;
  color:var(--accent);
}
.compare-card.violet .check-list li::before{color:var(--violet);}
.check-list li b{color:var(--text);font-weight:600;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-x .accordion-item{
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  position:relative;
}
.accordion-x .accordion-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--accent),rgba(27,77,255,.2));
  opacity:.65;
  transition:opacity .3s ease;
}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.accordion-x .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  padding:20px 52px 20px 24px;
  box-shadow:none;
  border:0;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--accent);background:rgba(44,232,200,.05);}
.accordion-x .accordion-button:focus{box-shadow:none;outline:none;}
.accordion-x .accordion-button::after{
  content:"\f054";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  background-image:none;
  width:auto;height:auto;
  transform:none;
  transition:transform .3s ease,color .3s ease;
  color:var(--muted);
  margin-left:auto;
}
.accordion-x .accordion-button:not(.collapsed)::after{
  transform:rotate(90deg);
  color:var(--accent);
}
.accordion-x .accordion-body{
  padding:0 24px 22px 24px;
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid rgba(44,232,200,.26);
  background:linear-gradient(120deg,rgba(13,22,48,.95),rgba(10,26,52,.9));
  box-shadow:var(--shadow);
  padding:44px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(90,140,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.07) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.8;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-90px;
  width:340px;
  height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(44,232,200,.28),transparent 68%);
  filter:blur(6px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);}
.cta-band p{margin-top:10px;color:var(--muted);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:991.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;
  position:relative;
  background:rgba(8,13,30,.86);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,232,200,.6),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:64px 0 40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--dim);max-width:320px;line-height:1.8;}
.footer-col h4{font-size:15px;margin-bottom:16px;letter-spacing:.04em;}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  font-size:14px;
  color:var(--muted);
  display:inline-block;
  transition:color .25s ease,transform .25s ease;
}
.footer-list a:hover{color:var(--accent);transform:translateX(2px);}
.contact-line{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:12px;
}
.contact-line i{color:var(--accent);font-size:13px;width:16px;text-align:center;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--dim);
}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--accent);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:8px;padding:40px 0 24px;}
  .footer-col{border-bottom:1px solid var(--line);padding:14px 0;}
  .footer-col h4{margin-bottom:10px;cursor:pointer;}
}

/* roulang page: category1 */
:root{
  --bg:#060A16;
  --panel:#0D1630;
  --glass:rgba(16,26,48,.62);
  --primary:#1B4DFF;
  --accent:#2CE8C8;
  --gold:#FFB020;
  --violet:#8B5CF6;
  --text:#E8EEFF;
  --text-2:#9AA9C8;
  --text-3:#6B7A99;
  --line:rgba(120,180,255,.14);
  --line-strong:rgba(120,200,255,.28);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(0,10,40,.55);
  --glow-accent:0 8px 24px rgba(44,232,200,.35);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Oxanium","Rajdhani","Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(90,140,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.06) 1px,transparent 1px);
  background-size:24px 24px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:.03;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:3px 3px;
}
.aura{
  position:fixed;
  border-radius:50%;
  filter:blur(120px);
  pointer-events:none;
  z-index:0;
}
.aura-1{width:520px;height:520px;background:rgba(44,232,200,.16);top:-180px;left:-160px}
.aura-2{width:600px;height:600px;background:rgba(27,77,255,.18);bottom:-220px;right:-200px}

a{color:var(--text);text-decoration:none;transition:color .25s,transform .25s,border-color .25s,background-color .25s}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:2;
}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,box-shadow .3s,backdrop-filter .3s;
}
.site-header.is-scrolled{
  background:rgba(9,15,32,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,10,40,.5),0 1px 0 rgba(44,232,200,.18) inset;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:76px;
}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand-mark{
  width:42px;height:42px;
  display:grid;place-items:center;
  font-family:var(--font-num);
  font-weight:700;
  font-size:19px;
  letter-spacing:.06em;
  color:#03121A;
  background:linear-gradient(140deg,var(--accent),var(--primary));
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
  box-shadow:var(--glow-accent);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px;letter-spacing:-.01em;color:var(--text)}
.brand-text span{font-size:11px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase}
.brand:hover .brand-text b{color:var(--accent)}

.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link-x{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  letter-spacing:.01em;
}
.nav-link-x::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:3px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s;
  box-shadow:0 0 10px rgba(44,232,200,.7);
}
.nav-link-x:hover{color:var(--text);background:rgba(120,180,255,.07)}
.nav-link-x:hover::after{transform:scaleX(1)}
.nav-link-x.active{color:var(--text);background:rgba(44,232,200,.1)}
.nav-link-x.active::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:12px}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:none;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  color:#03121A;
  background:linear-gradient(120deg,var(--accent),#25C9E8);
  box-shadow:var(--glow-accent);
  transition:transform .25s,box-shadow .25s,filter .25s;
  cursor:pointer;
}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 32px rgba(44,232,200,.5);color:#03121A}
.btn-main:active{transform:translateY(0);box-shadow:0 4px 14px rgba(44,232,200,.3)}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:1px solid rgba(120,200,255,.36);
  border-radius:var(--radius-sm);
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  transition:background-color .25s,border-color .25s,transform .25s,box-shadow .25s;
}
.btn-ghost:hover{background:rgba(44,232,200,.12);border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 22px rgba(44,232,200,.2);color:var(--text)}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:rgba(16,26,48,.6);
  color:var(--text);
  cursor:pointer;
}
.nav-toggle i{font-size:17px}

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(6,10,22,.97);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  display:flex;
  flex-direction:column;
  padding:26px 22px 22px;
  transform:translateX(100%);
  transition:transform .35s ease;
  visibility:hidden;
}
body.drawer-open .mobile-drawer{transform:translateX(0);visibility:visible}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);
  background:transparent;color:var(--text);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:10px;flex:1}
.drawer-nav a{
  padding:15px 18px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(16,26,48,.5);
  font-size:17px;
  font-weight:600;
  color:var(--text-2);
}
.drawer-nav a.active{color:var(--text);border-color:rgba(44,232,200,.5);background:rgba(44,232,200,.1)}
.drawer-foot{padding-top:18px}
.drawer-foot .btn-main{width:100%}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 6px;position:relative;z-index:2}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);letter-spacing:.02em;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--text-3)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(6,10,22,.94) 0%,rgba(6,10,22,.78) 46%,rgba(6,10,22,.6) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  opacity:.9;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,232,200,.5),transparent);
  z-index:1;
}
.page-hero .container{z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;
  border-radius:999px;
  border:1px solid rgba(44,232,200,.36);
  background:rgba(44,232,200,.09);
  color:var(--accent);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(32px,5vw,56px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  margin:0 0 18px;
  max-width:820px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--accent),#7FB4FF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:640px;
  margin:0 0 30px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:7px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(16,26,48,.6);
  font-size:13px;
  color:var(--text-2);
  transition:border-color .25s,color .25s,transform .25s;
}
.chip:hover{border-color:rgba(44,232,200,.5);color:var(--text);transform:translateY(-2px)}

/* ---------- section ---------- */
.section{padding:96px 0;position:relative;z-index:2}
.section.tight{padding:72px 0}
.section-head{max-width:720px;margin:0 0 44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:12px;
}
h2{
  font-size:clamp(24px,3.2vw,36px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
  margin:0 0 14px;
}
h3{font-size:22px;font-weight:700;line-height:1.35;margin:0 0 10px}
.section-head p{color:var(--text-2);margin:0;font-size:16px}
p{color:var(--text-2)}
.lead{font-size:17px;color:var(--text-2)}

/* ---------- media frame ---------- */
.media-frame{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  background:linear-gradient(150deg,rgba(27,77,255,.22),rgba(13,22,48,.9));
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%);
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/11;
  transition:transform .6s ease;
}
.media-frame:hover img{transform:scale(1.04)}
.media-frame .frame-tag{
  position:absolute;
  top:14px;left:14px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.08em;
  background:rgba(6,10,22,.78);
  border:1px solid var(--line-strong);
  color:var(--accent);
  backdrop-filter:blur(10px);
}

.rich-block p{margin:0 0 16px}
.rich-block p:last-child{margin-bottom:0}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag-x{
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  border:1px solid var(--line);
  background:rgba(120,180,255,.08);
  color:var(--text-2);
}
.tag-x.is-accent{border-color:rgba(44,232,200,.4);color:var(--accent);background:rgba(44,232,200,.08)}

.mini-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.mini-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 16px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:rgba(16,26,48,.5);
  font-size:15px;
  color:var(--text-2);
}
.mini-list li i{color:var(--accent);margin-top:5px;font-size:13px}

/* ---------- numbered points ---------- */
.points-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.point-card{
  position:relative;
  padding:28px 26px 26px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .3s,border-color .3s,box-shadow .3s;
  overflow:hidden;
}
.point-card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(120,200,255,.5),transparent);
}
.point-card:hover{transform:translateY(-6px);border-color:rgba(44,232,200,.42);box-shadow:0 24px 50px rgba(0,12,45,.6)}
.point-num{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  letter-spacing:.06em;
  color:transparent;
  background:linear-gradient(120deg,var(--accent),var(--primary));
  -webkit-background-clip:text;
  background-clip:text;
  display:block;
  margin-bottom:8px;
  text-shadow:0 0 24px rgba(44,232,200,.25);
}
.point-card h3{font-size:19px;margin-bottom:8px}
.point-card p{margin:0;font-size:15px}

/* ---------- stats ---------- */
.stats-band{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  padding:32px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(27,77,255,.14),rgba(13,22,48,.7));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.stat{text-align:center;padding:6px 10px}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(30px,4vw,44px);
  font-weight:700;
  letter-spacing:.04em;
  color:var(--text);
  text-shadow:0 0 26px rgba(44,232,200,.45);
  line-height:1.1;
}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--text-3);letter-spacing:.04em}

/* ---------- related links ---------- */
.link-panel{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  justify-content:space-between;
  padding:28px 30px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.link-panel .txt strong{display:block;font-size:18px;margin-bottom:6px}
.link-panel .txt span{font-size:14px;color:var(--text-3)}
.link-btns{display:flex;flex-wrap:wrap;gap:12px}
.link-btns a{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(120,200,255,.3);
  font-size:15px;font-weight:600;
  color:var(--text);
  background:rgba(120,180,255,.06);
}
.link-btns a:hover{background:rgba(44,232,200,.13);border-color:var(--accent);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq-x .accordion-item{
  position:relative;
  margin-bottom:14px;
  border:1px solid var(--line) !important;
  border-radius:var(--radius) !important;
  background:var(--glass) !important;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.faq-x .accordion-item::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--accent),var(--primary));
  box-shadow:0 0 14px rgba(44,232,200,.7);
}
.faq-x .accordion-header{margin:0}
.faq-x .accordion-button{
  width:100%;
  padding:20px 24px 20px 28px;
  background:transparent !important;
  box-shadow:none !important;
  color:var(--text) !important;
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  border:none;
}
.faq-x .accordion-button:not(.collapsed){color:var(--accent) !important}
.faq-x .accordion-button::after{
  content:"";
  background-image:none !important;
  width:10px;height:10px;
  border-right:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(45deg);
  transition:transform .3s ease;
  margin-left:auto;
  margin-top:-4px;
  flex:0 0 auto;
}
.faq-x .accordion-button:not(.collapsed)::after{transform:rotate(135deg);margin-top:2px}
.faq-x .accordion-body{
  padding:0 26px 22px 28px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line-strong);
  background:linear-gradient(110deg,rgba(27,77,255,.2),rgba(13,22,48,.85) 60%);
  box-shadow:var(--shadow);
  padding:40px 42px;
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  align-items:center;
  justify-content:space-between;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(90,140,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(90,140,255,.07) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.7;
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border-radius:50%;
  background:rgba(44,232,200,.16);
  filter:blur(100px);
  pointer-events:none;
}
.cta-band .cta-txt{position:relative;z-index:1;max-width:560px}
.cta-band h2{margin:0 0 10px;font-size:clamp(22px,3vw,30px)}
.cta-band p{margin:0;font-size:15px}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}
.pulse{animation:pulseGlow 2.8s ease-in-out infinite}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 8px 24px rgba(44,232,200,.28)}
  50%{box-shadow:0 12px 36px rgba(44,232,200,.55)}
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  margin-top:40px;
  padding:72px 0 26px;
  background:linear-gradient(180deg,rgba(9,15,32,.4),rgba(6,10,22,.95));
  z-index:2;
}
.site-footer::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,232,200,.55),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);max-width:300px;margin:0}
.footer-col h4{
  font-size:14px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--text);
  margin:0 0 16px;
  font-weight:700;
}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-list a{font-size:14px;color:var(--text-2);display:inline-block}
.footer-list a:hover{color:var(--accent);transform:translateX(2px)}
.contact-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);margin:0}
.contact-line i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .container{max-width:100%}
}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .header-actions .btn-main{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  .page-hero{padding:44px 0 52px}
  .points-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767.98px){
  .stats-band{grid-template-columns:1fr;gap:8px;padding:24px}
  .stat{padding:12px 0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .cta-band{padding:30px 24px}
  .link-panel{padding:24px 22px}
  .page-hero h1{font-size:clamp(28px,7vw,38px)}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section.tight{padding:44px 0}
  .section-head{margin-bottom:28px}
  .points-grid{gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-btns .btn-main,.hero-btns .btn-ghost{width:100%}
  .link-btns{width:100%}
  .link-btns a{width:100%;justify-content:center}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-ghost{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#060A16;
  --panel:#0D1630;
  --glass:rgba(16,26,48,.62);
  --primary:#1B4DFF;
  --accent:#2CE8C8;
  --gold:#FFB020;
  --violet:#8B5CF6;
  --text:#E8EEFF;
  --muted:#9AA9C8;
  --dim:#6B7A99;
  --line:rgba(120,180,255,.14);
  --line-strong:rgba(120,200,255,.28);
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px rgba(0,10,40,.55);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Oxanium","Rajdhani","Segoe UI",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 10% -6%, rgba(44,232,200,.16), transparent 62%),
    radial-gradient(1100px 720px at 92% 4%, rgba(27,77,255,.18), transparent 64%),
    linear-gradient(rgba(90,140,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,140,255,.06) 1px, transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-attachment:fixed,fixed,scroll,scroll;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:1;
  opacity:.035;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/></filter><rect width='140' height='140' filter='url(/%23n)'/></svg>");
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease, transform .22s ease, background-color .22s ease, border-color .22s ease;}
a:hover{color:var(--accent);}
button,input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  position:relative;
  z-index:2;
}
@media (min-width:1400px){ .container-x{max-width:1320px;} }

.section{padding:96px 0;position:relative;z-index:2;}
.section-sm{padding:64px 0;}
.divider-glow{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,transparent,rgba(44,232,200,.45),rgba(27,77,255,.35),transparent);
  opacity:.7;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(6,10,22,.55);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(8,13,28,.88);
  border-bottom-color:rgba(44,232,200,.22);
  box-shadow:0 10px 30px rgba(0,6,26,.6);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:74px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:13px;
  font-family:var(--font-num);
  font-weight:800;
  font-size:19px;
  letter-spacing:.06em;
  color:#04121F;
  background:linear-gradient(135deg,#2CE8C8,#1B8CFF);
  box-shadow:0 0 0 1px rgba(120,255,230,.4),0 8px 22px rgba(44,232,200,.35);
  transform:rotate(0deg);
  transition:transform .3s ease, box-shadow .3s ease;
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04);box-shadow:0 0 0 1px rgba(120,255,230,.6),0 10px 28px rgba(44,232,200,.5);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--dim);letter-spacing:.18em;text-transform:uppercase;font-family:var(--font-num);}

.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link-x{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link-x::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  box-shadow:0 0 10px rgba(44,232,200,.8);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s ease;
}
.nav-link-x:hover{color:var(--text);background:rgba(120,200,255,.07);}
.nav-link-x:hover::after{transform:scaleX(1);}
.nav-link-x.active{color:var(--text);}
.nav-link-x.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  min-height:46px;
  border:0;
  border-radius:999px;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
  color:#04121F;
  background:linear-gradient(135deg,#2CE8C8,#1B9CFF);
  box-shadow:0 8px 24px rgba(44,232,200,.35);
  cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, filter .22s ease;
}
.btn-main:hover{color:#04121F;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 34px rgba(44,232,200,.5);}
.btn-main:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;
  min-height:46px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:700;
  color:var(--text);
  background:transparent;
  border:1px solid rgba(120,200,255,.35);
  cursor:pointer;
  transition:background-color .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
}
.btn-ghost:hover{color:var(--text);background:rgba(44,232,200,.12);border-color:rgba(44,232,200,.6);transform:translateY(-2px);box-shadow:0 10px 26px rgba(44,232,200,.18);}
.btn-ghost:active{transform:translateY(0);}
.nav-cta{padding:12px 22px;font-size:14px;}
.btn-main.pulse{animation:pulseGlow 2.6s ease-in-out infinite;}
@keyframes pulseGlow{
  0%,100%{box-shadow:0 8px 24px rgba(44,232,200,.35);}
  50%{box-shadow:0 12px 38px rgba(44,232,200,.62);}
}

.nav-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:12px;
  border:1px solid var(--line-strong);
  background:rgba(16,26,48,.7);
  color:var(--text);
  cursor:pointer;
}
.nav-backdrop{
  position:fixed;inset:0;
  background:rgba(3,6,16,.7);
  backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:110;
}
body.nav-open .nav-backdrop{opacity:1;visibility:visible;}
.drawer-foot{
  position:fixed;
  right:0;bottom:0;
  width:min(88vw,380px);
  padding:18px 24px 26px;
  background:rgba(8,13,28,.98);
  border-top:1px solid var(--line);
  transform:translateX(105%);
  transition:transform .34s ease;
  z-index:125;
}
body.nav-open .drawer-foot{transform:none;}
.drawer-foot .btn-main{width:100%;}

@media (max-width:991.98px){
  .nav-menu{
    position:fixed;
    top:0;right:0;
    width:min(88vw,380px);
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:96px 24px 130px;
    background:rgba(8,13,28,.97);
    border-left:1px solid var(--line);
    transform:translateX(105%);
    transition:transform .34s ease;
    z-index:120;
    overflow-y:auto;
  }
  body.nav-open .nav-menu{transform:none;}
  .nav-link-x{padding:15px 16px;font-size:16px;border-radius:12px;}
  .nav-link-x::after{left:16px;right:16px;bottom:8px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .nav-cta{display:none;}
  body.nav-open{overflow:hidden;}
}
@media (max-width:575.98px){
  .header-inner{min-height:66px;gap:12px;}
  .brand-mark{width:38px;height:38px;font-size:17px;}
  .brand-text b{font-size:15px;}
  .brand-text span{font-size:10px;letter-spacing:.12em;}
}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:22px 0 0;position:relative;z-index:3;}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--dim);}
.breadcrumb-x a{color:var(--muted);}
.breadcrumb-x a:hover{color:var(--accent);}
.breadcrumb-x .sep{color:rgba(107,122,153,.7);font-size:11px;}
.breadcrumb-x .current{color:var(--dim);}

/* ============ 页头 ============ */
.page-head{padding:44px 0 64px;position:relative;z-index:2;}
.page-head .eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-family:var(--font-num);
  color:var(--accent);
  background:rgba(44,232,200,.09);
  border:1px solid rgba(44,232,200,.3);
}
.page-head h1{
  margin:22px 0 16px;
  font-size:clamp(32px,5vw,54px);
  font-weight:800;
}
.page-head h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#2CE8C8,#6FA8FF 70%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-head .lead{max-width:760px;color:var(--muted);font-size:17px;}
.head-stats{
  display:flex;flex-wrap:wrap;gap:14px;
  margin-top:34px;
}
.head-stat{
  flex:1 1 180px;
  padding:18px 22px;
  border-radius:var(--radius-sm);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(120,200,255,.14);
}
.head-stat b{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  font-weight:800;
  letter-spacing:.04em;
  color:var(--accent);
  text-shadow:0 0 18px rgba(44,232,200,.45);
}
.head-stat span{font-size:13px;color:var(--dim);}

/* ============ 全宽大图横幅 ============ */
.banner-full{
  position:relative;
  margin:0 0 0;
  overflow:hidden;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.banner-full::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(6,10,22,.94) 0%,rgba(6,10,22,.7) 46%,rgba(6,10,22,.35) 100%),
    linear-gradient(rgba(90,140,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.06) 1px,transparent 1px);
  background-size:auto,24px 24px,24px 24px;
  pointer-events:none;
}
.banner-full img{
  width:100%;
  height:clamp(300px,38vw,460px);
  object-fit:cover;
  filter:saturate(.85) contrast(1.05);
}
.banner-caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:0 0 46px;
  z-index:3;
}
.banner-caption .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.tag-x{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text);
  background:rgba(16,26,48,.78);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);
}
.tag-x.gold{color:#FFD999;border-color:rgba(255,176,32,.45);background:rgba(255,176,32,.12);}
.tag-x.violet{color:#CDB8FF;border-color:rgba(139,92,246,.45);background:rgba(139,92,246,.14);}
.tag-x.teal{color:#9FF6E6;border-color:rgba(44,232,200,.42);background:rgba(44,232,200,.1);}
.banner-caption h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:800;
  max-width:800px;
}
.banner-caption p{max-width:680px;margin-top:12px;color:var(--muted);font-size:15.5px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}

/* ============ 板块标题 ============ */
.sec-head{margin-bottom:44px;max-width:820px;}
.sec-head .kicker{
  display:inline-block;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:12px;
}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:700;}
.sec-head p{margin-top:14px;color:var(--muted);}

/* ============ 对比表格 ============ */
.table-shell{
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(120,200,255,.14);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.table-x{
  width:100%;
  min-width:760px;
  border-collapse:separate;
  border-spacing:0;
  font-size:15px;
}
.table-x thead th{
  position:relative;
  padding:18px 20px;
  text-align:left;
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  text-transform:uppercase;
  font-family:var(--font-num);
  color:var(--accent);
  background:linear-gradient(180deg,rgba(27,77,255,.16),rgba(27,77,255,0));
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
.table-x tbody td{
  padding:18px 20px;
  border-bottom:1px solid rgba(120,180,255,.09);
  color:var(--muted);
  vertical-align:top;
}
.table-x tbody tr:nth-child(odd) td{background:rgba(120,180,255,.028);}
.table-x tbody tr:hover td{background:rgba(44,232,200,.06);color:var(--text);}
.table-x tbody tr:last-child td{border-bottom:0;}
.table-x td.item{
  color:var(--text);
  font-weight:700;
  white-space:nowrap;
}
.table-x td.item i{color:var(--accent);margin-right:9px;}
.table-x td.hi{color:#BFF6EA;}
.table-note{
  margin-top:18px;
  font-size:13.5px;
  color:var(--dim);
  display:flex;
  align-items:flex-start;
  gap:9px;
}
.table-note i{color:var(--accent);margin-top:5px;}

/* ============ 双栏要点清单 ============ */
.split-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.list-card{
  padding:30px 28px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(120,200,255,.14);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  position:relative;
  overflow:hidden;
}
.list-card::before{
  content:"";
  position:absolute;
  left:0;top:22px;bottom:22px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--accent),rgba(44,232,200,0));
  box-shadow:0 0 16px rgba(44,232,200,.6);
}
.list-card.violet::before{background:linear-gradient(180deg,#8B5CF6,rgba(139,92,246,0));box-shadow:0 0 16px rgba(139,92,246,.55);}
.list-card h3{font-size:21px;font-weight:700;margin-bottom:8px;}
.list-card .sub{font-size:13.5px;color:var(--dim);margin-bottom:22px;}
.check-list li{
  display:flex;
  gap:13px;
  padding:13px 0;
  border-bottom:1px dashed rgba(120,180,255,.12);
  font-size:15px;
  color:var(--muted);
}
.check-list li:last-child{border-bottom:0;}
.check-list li b{color:var(--text);font-weight:700;display:block;margin-bottom:2px;}
.check-list .mk{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  display:grid;place-items:center;
  font-size:12px;
  color:#04121F;
  background:linear-gradient(135deg,#2CE8C8,#1B9CFF);
  box-shadow:0 0 14px rgba(44,232,200,.4);
  margin-top:3px;
}
.list-card.violet .check-list .mk{background:linear-gradient(135deg,#B79CFF,#7C4DFF);color:#12082B;box-shadow:0 0 14px rgba(139,92,246,.45);}

/* ============ 站内入口块 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(120,200,255,.14);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.entry-card:hover{transform:translateY(-6px);border-color:rgba(44,232,200,.5);box-shadow:0 24px 50px rgba(0,10,40,.7),0 0 0 1px rgba(44,232,200,.28);}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0D1630,#122048);}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.92;}
.entry-card:hover .entry-thumb img{transform:scale(1.06);}
.entry-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.entry-body h3{font-size:19px;font-weight:700;}
.entry-body p{color:var(--muted);font-size:14.5px;flex:1 1 auto;}
.entry-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--accent);
  margin-top:6px;
}
.entry-link i{transition:transform .25s ease;}
.entry-card:hover .entry-link i{transform:translateX(5px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-x .accordion-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-left:3px solid rgba(44,232,200,.55);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 30px rgba(0,10,40,.4),-6px 0 20px -10px rgba(44,232,200,.7);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.accordion-x .accordion-item:hover{border-color:rgba(120,200,255,.3);border-left-color:var(--accent);}
.accordion-x .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  padding:19px 56px 19px 24px;
  box-shadow:none;
  border:0;
}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--accent);
  background:rgba(44,232,200,.06);
}
.accordion-x .accordion-button:focus{box-shadow:none;outline:2px solid rgba(44,232,200,.5);outline-offset:-4px;}
.accordion-x .accordion-button::after{
  content:"\f054";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  background-image:none;
  width:auto;height:auto;
  font-size:13px;
  color:var(--dim);
  transform:none;
  transition:transform .28s ease,color .28s ease;
  position:absolute;
  right:24px;
  top:50%;
  margin-top:-8px;
}
.accordion-x .accordion-button:not(.collapsed)::after{transform:rotate(90deg);color:var(--accent);}
.accordion-x .accordion-body{
  padding:0 24px 22px;
  color:var(--muted);
  font-size:15px;
  border-top:1px solid rgba(120,180,255,.1);
  padding-top:18px;
  margin:0 24px 22px;
  padding-left:0;padding-right:0;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  padding:48px 44px;
  background:
    radial-gradient(600px 300px at 88% 40%, rgba(44,232,200,.18), transparent 65%),
    linear-gradient(rgba(90,140,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(90,140,255,.06) 1px,transparent 1px),
    linear-gradient(120deg,rgba(13,22,48,.95),rgba(9,16,36,.9));
  background-size:auto,24px 24px,24px 24px,auto;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(120,200,255,.16);
}
.cta-band .cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;}
.cta-band p{color:var(--muted);margin-top:10px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:2;
  margin-top:20px;
  background:linear-gradient(180deg,rgba(9,15,32,.6),rgba(6,10,22,.98));
  border-top:1px solid rgba(44,232,200,.22);
  box-shadow:0 -14px 40px rgba(0,0,0,.35);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:18px;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:18px;letter-spacing:.02em;}
.footer-list li{margin-bottom:11px;}
.footer-list a{color:var(--muted);font-size:14.5px;display:inline-block;}
.footer-list a:hover{color:var(--accent);transform:translateX(2px);}
.contact-line{display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-size:14.5px;margin-bottom:11px;}
.contact-line i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;
  padding:22px 0 30px;
  border-top:1px solid rgba(120,180,255,.12);
  font-size:13.5px;
  color:var(--dim);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:80px 0;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .split-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .cta-band{padding:38px 30px;}
}
@media (max-width:767.98px){
  .page-head{padding:30px 0 46px;}
  .page-head .lead{font-size:15.5px;}
  .head-stats{gap:12px;}
  .head-stat{flex:1 1 140px;padding:15px 18px;}
  .head-stat b{font-size:22px;}
  .banner-caption{padding-bottom:30px;}
  .banner-full img{height:280px;}
  .entry-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%;}
}
@media (max-width:575.98px){
  .section{padding:52px 0;}
  .container-x{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{font-size:12.5px;}
  .banner-caption h2{font-size:20px;}
  .banner-caption p{font-size:14px;}
  .list-card{padding:24px 20px;}
  .banner-full img{height:240px;}
}