/* roulang page: index */
:root{
  --ink-900:#0B0918;
  --ink-800:#150F2E;
  --ink-700:#1F1840;
  --brand-600:#5B3DF5;
  --brand-500:#8A4DFF;
  --accent-gold:#FFB020;
  --accent-cyan:#2FD6C0;
  --paper:#F7F5FF;
  --paper-line:#E6E1F7;
  --text:#EDE9FF;
  --text-soft:#A9A3C9;
  --text-dark:#1A1630;
  --text-dark-soft:#5C5478;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 45%,#2FD6C0 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --shadow-dark:0 20px 50px rgba(0,0,0,.35);
  --shadow-light:0 10px 30px rgba(27,20,54,.08);
  --t:.25s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.2px;}
p{margin:0;text-align:left;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;}
.num{font-family:Montserrat,Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section-soft{background:var(--ink-800);}
.section-paper{background:var(--paper);color:var(--text-dark);}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1px;
  color:var(--accent-cyan);
  border:1px solid rgba(47,214,192,.35);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:48px;
}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;}
.section-sub{font-size:15px;color:var(--text-soft);margin-top:12px;max-width:640px;}
.section-paper .section-sub{color:var(--text-dark-soft);}

/* ---------- 按钮 ---------- */
.btn-xk-primary,.btn-xk-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--t),filter var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-xk-primary{background:var(--grad);color:#0B0918;border:0;box-shadow:0 12px 28px rgba(91,61,245,.32);}
.btn-xk-primary:hover{filter:brightness(1.06);transform:translateY(-2px);color:#0B0918;}
.btn-xk-ghost{
  background:linear-gradient(var(--ink-900),var(--ink-900)) padding-box,var(--grad) border-box;
  border:1px solid transparent;color:var(--text);
}
.btn-xk-ghost:hover{transform:translateY(-2px);color:#fff;filter:brightness(1.1);}
.section-paper .btn-xk-ghost{
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  color:var(--text-dark);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent-cyan);}
.link-arrow span{transition:transform var(--t);display:inline-block;}
.link-arrow:hover span{transform:translateX(4px);}
.section-paper .link-arrow{color:var(--brand-600);}

/* ---------- 徽章 ---------- */
.tag-cyan,.tag-gold,.tag-line{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;line-height:1.6;
}
.tag-cyan{background:rgba(47,214,192,.14);color:#1FB6A3;border:1px solid rgba(47,214,192,.35);}
.tag-gold{background:rgba(255,176,32,.16);color:#B26F00;border:1px solid rgba(255,176,32,.4);}
.tag-line{background:transparent;color:var(--text-soft);border:1px solid var(--line-strong);}
.section-paper .tag-line{color:var(--text-dark-soft);border-color:var(--paper-line);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(11,9,24,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad);opacity:.55;
}
.header-inner{height:72px;display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-star{
  width:26px;height:26px;position:relative;flex:0 0 auto;
  background:var(--grad);
  clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 60%,0 50%,40% 40%);
  animation:twinkle 3.6s ease-in-out infinite;
}
@keyframes twinkle{0%,100%{opacity:1;}50%{opacity:.62;}}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.3px;}
.brand-name em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.brand-latin{font-size:10px;letter-spacing:3px;color:var(--text-soft);text-transform:uppercase;}
.nav-main{display:flex;align-items:center;gap:2px;list-style:none;margin:0 0 0 12px;padding:0;}
.nav-main > li{position:relative;}
.nav-main > li > a{
  display:block;padding:0 14px;line-height:72px;font-size:15px;color:var(--text-soft);position:relative;
}
.nav-main > li > a:hover{color:#fff;}
.nav-main > li > a.active{color:#fff;font-weight:600;}
.nav-main > li > a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:20px;height:3px;border-radius:3px;background:var(--grad);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);background:transparent;color:var(--text-soft);cursor:pointer;
  transition:var(--t);
}
.icon-btn:hover{color:#fff;border-color:var(--accent-cyan);transform:translateY(-2px);}
.nav-toggle{display:none;}

/* ---------- Mega Menu ---------- */
.mega{
  position:absolute;top:calc(100% - 6px);left:-140px;width:940px;
  padding:28px;border-radius:28px;border:1px solid transparent;
  background:linear-gradient(var(--ink-800),var(--ink-800)) padding-box,var(--grad) border-box;
  box-shadow:var(--shadow-dark);
  display:grid;grid-template-columns:1fr 1.15fr .95fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
  z-index:60;
}
.nav-main > li:hover > .mega,
.nav-main > li:focus-within > .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega h4{font-size:13px;color:var(--text-soft);font-weight:600;letter-spacing:1px;margin-bottom:14px;}
.mega-list li + li{margin-top:10px;}
.mega-list a{font-size:15px;color:var(--text);display:inline-block;}
.mega-list a:hover{color:var(--accent-cyan);transform:translateX(2px);}
.mega-post{display:flex;gap:12px;align-items:center;}
.mega-post + .mega-post{margin-top:14px;}
.mega-post img{width:64px;height:64px;border-radius:14px;object-fit:cover;flex:0 0 auto;}
.mega-post .mp-title{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mega-post .mp-time{font-size:12px;color:var(--text-soft);margin-top:4px;}
.mega-cover{position:relative;border-radius:22px;overflow:hidden;min-height:180px;display:flex;align-items:flex-end;}
.mega-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.mega-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,9,24,.15),rgba(11,9,24,.92));}
.mega-cover .mc-body{position:relative;z-index:2;padding:18px;}
.mega-cover .mc-body strong{display:block;font-size:15px;line-height:1.5;margin-bottom:8px;}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:1030;
  background:rgba(21,15,46,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  height:48px;display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;border-radius:999px;padding:5px 16px;font-size:13px;
  color:var(--text-soft);border:1px solid transparent;transition:var(--t);
}
.anchor-inner a:hover{color:#fff;border-color:var(--line-strong);}
.anchor-inner a.active{background:var(--grad);color:#0B0918;font-weight:600;}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(105deg,rgba(11,9,24,.97) 0%,rgba(21,15,46,.86) 45%,rgba(11,9,24,.72) 100%),
    radial-gradient(circle at 20% 28%,rgba(138,77,255,.35),transparent 55%),
    radial-gradient(circle at 78% 72%,rgba(47,214,192,.22),transparent 55%);
}
.hero-stars{
  position:absolute;inset:0;opacity:.3;
  background-image:radial-gradient(rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:46px 46px;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;align-items:center;padding:120px 0 96px;
}
.hero-copy{max-width:620px;}
.hero h1{font-size:clamp(30px,5vw,56px);line-height:1.15;font-weight:700;letter-spacing:-.5px;}
.hero-sub{font-size:17px;color:var(--text-soft);margin-top:20px;max-width:480px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px;}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;
  border:1px solid var(--line-strong);border-radius:999px;
  padding:8px 18px;background:rgba(255,255,255,.04);
}
.stat-pill b{font-size:28px;line-height:1;color:var(--accent-gold);font-family:Montserrat,Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}
.stat-pill span{font-size:13px;color:var(--text-soft);}
.hero-media{position:relative;border-radius:28px;padding:2px;background:var(--grad);box-shadow:var(--shadow-dark);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:26px;}
.hero-media .hero-float{
  position:absolute;left:-18px;bottom:26px;background:var(--ink-800);
  border:1px solid var(--line-strong);border-radius:18px;padding:14px 18px;
  box-shadow:var(--shadow-dark);display:flex;align-items:center;gap:12px;
}
.hero-media .hero-float i{color:var(--accent-cyan);font-size:18px;}
.hero-media .hero-float strong{display:block;font-size:14px;}
.hero-media .hero-float small{color:var(--text-soft);font-size:12px;}

/* ---------- Bento 卖点 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.bento-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:28px;
  padding:32px;display:flex;flex-direction:column;gap:14px;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
  position:relative;overflow:hidden;
}
.bento-card::after{
  content:"";position:absolute;inset:0;border-radius:28px;padding:1px;
  background:var(--grad);opacity:0;transition:opacity var(--t);
  -webkit-mask:linear-gradient(#000,#000) content-box,linear-gradient(#000,#000);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.bento-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-dark);}
.bento-card:hover::after{opacity:1;}
.b-a{grid-column:span 7;}
.b-b{grid-column:span 5;}
.b-c{grid-column:span 5;}
.b-d{grid-column:span 7;}
.icon-box{
  width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(91,61,245,.35),rgba(47,214,192,.22));
  color:var(--accent-cyan);font-size:20px;
}
.bento-card h3{font-size:21px;line-height:1.4;}
.bento-card p{font-size:14.5px;color:var(--text-soft);}
.bento-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}

/* ---------- 演示 / 流程 ---------- */
.demo-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:start;}
.demo-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-dark);}
.demo-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.demo-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,9,24,.1),rgba(11,9,24,.55));}
.play-btn{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  width:76px;height:76px;border-radius:50%;border:2px solid var(--accent-gold);
  background:rgba(11,9,24,.55);color:var(--accent-gold);
  display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;
  transition:var(--t);
}
.play-btn:hover{background:var(--accent-gold);color:#0B0918;transform:translate(-50%,-50%) scale(1.06);}
.steps{display:flex;flex-direction:column;gap:22px;}
.step{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  background:rgba(47,214,192,.14);border:1px solid rgba(47,214,192,.4);
  color:var(--accent-cyan);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-family:Montserrat,Inter,system-ui,sans-serif;
}
.step h4{font-size:16.5px;margin-bottom:4px;}
.step p{font-size:14px;color:var(--text-soft);}
.card-strip{display:flex;gap:24px;overflow-x:auto;padding:8px 0 20px;margin-top:44px;scrollbar-width:none;}
.card-strip::-webkit-scrollbar{display:none;}
.strip-card{
  flex:0 0 268px;background:var(--ink-700);border:1px solid var(--line);border-radius:20px;
  overflow:hidden;transition:var(--t);
}
.strip-card:hover{transform:translateY(-4px);border-color:rgba(47,214,192,.45);}
.strip-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.strip-card .sc-body{padding:16px;}
.strip-card h4{font-size:15px;margin-bottom:6px;}
.strip-card p{font-size:13px;color:var(--text-soft);}

/* ---------- 证据 ---------- */
.proof-top{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.proof-badge{
  border:1px solid transparent;border-radius:20px;padding:24px;
  background:linear-gradient(var(--ink-800),var(--ink-800)) padding-box,var(--grad) border-box;
  text-align:left;
}
.proof-badge b{display:block;font-size:32px;line-height:1.1;color:var(--accent-gold);font-family:Montserrat,Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}
.proof-badge span{display:block;font-size:13px;color:var(--text-soft);margin-top:8px;}
.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;}
.quote-card{background:var(--ink-700);border:1px solid var(--line);border-radius:24px;padding:28px;}
.quote-card i{color:var(--accent-cyan);font-size:20px;}
.quote-card p{font-size:15px;margin:16px 0 18px;color:var(--text);}
.quote-card footer{font-size:13px;color:var(--text-soft);}
.partners{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:44px;padding-top:32px;border-top:1px solid var(--line);}
.partners span{font-size:15px;font-weight:600;color:rgba(169,163,201,.6);transition:var(--t);}
.partners span:hover{color:var(--text);}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  background:#fff;border:1px solid var(--paper-line);border-radius:28px;padding:32px;
  display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow-light);
  transition:transform var(--t),box-shadow var(--t);position:relative;
}
.price-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(27,20,54,.14);}
.price-card.recommend{
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  transform:translateY(-16px);
}
.price-card.recommend:hover{transform:translateY(-20px);}
.rec-badge{position:absolute;right:24px;top:-14px;background:var(--accent-gold);color:#3A2500;font-size:12px;font-weight:700;border-radius:999px;padding:5px 14px;}
.price-name{font-size:17px;font-weight:650;}
.price-value{display:flex;align-items:baseline;gap:6px;}
.price-value b{font-size:36px;line-height:1;font-weight:700;font-family:Montserrat,Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;}
.price-value span{font-size:13px;color:var(--text-dark-soft);}
.price-features li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-dark-soft);padding:7px 0;}
.price-features i{color:var(--brand-600);font-size:13px;margin-top:6px;}
.price-features li.off{opacity:.5;}
.price-features li.off i{color:#B4AEC9;}
.price-card .btn-xk-primary{width:100%;}
.price-note{font-size:13px;color:var(--text-dark-soft);margin-top:28px;}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:20px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(47,214,192,.45);}
.news-featured{grid-column:span 2;flex-direction:row;}
.news-featured .news-thumb{flex:0 0 52%;}
.news-featured .news-thumb img{height:100%;aspect-ratio:auto;}
.news-thumb{display:block;position:relative;background:var(--grad);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-featured .news-title{font-size:20px;}
.news-title a:hover{color:var(--accent-cyan);}
.news-excerpt{
  font-size:14px;color:var(--text-soft);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;}
.news-date{font-size:13px;color:var(--text-soft);font-variant-numeric:tabular-nums;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:24px;padding:56px 24px;
  display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;
}
.empty-star{
  width:34px;height:34px;background:var(--grad);
  clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 60%,0 50%,40% 40%);
}
.empty-state p{color:var(--text-soft);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.xk-faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;}
.xk-faq .accordion-item:first-of-type{border-top:1px solid var(--line);}
.xk-faq .accordion-header{margin:0;}
.xk-faq .accordion-button{
  background:transparent;border:0;box-shadow:none;color:var(--text);
  font-size:17px;font-weight:600;padding:0 44px 0 20px;min-height:56px;
  display:flex;align-items:center;position:relative;border-radius:0;
}
.xk-faq .accordion-button:not(.collapsed){color:#fff;background:transparent;}
.xk-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:transparent;transition:background var(--t);
}
.xk-faq .accordion-button:not(.collapsed)::before{background:var(--grad);}
.xk-faq .accordion-button::after{
  content:"";position:absolute;right:16px;
  width:10px;height:10px;background-image:none;
  border-right:2px solid var(--text-soft);border-bottom:2px solid var(--text-soft);
  transform:rotate(45deg) translate(-2px,-2px);
  transition:transform var(--t),border-color var(--t);
}
.xk-faq .accordion-button:not(.collapsed)::after{transform:rotate(-135deg) translate(-2px,-2px);border-color:var(--accent-cyan);}
.xk-faq .accordion-button:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;}
.xk-faq .accordion-collapse{border:0;}
.xk-faq .accordion-body{
  background:#EFEAFE;color:#1A1630;border-radius:16px;padding:20px;
  font-size:15px;line-height:1.85;margin:0 0 18px 20px;
}

/* ---------- 联系 / CTA ---------- */
.contact-band{background:var(--grad);color:#0B0918;padding:64px 0;}
.contact-band h2{font-size:clamp(24px,3.2vw,34px);color:#0B0918;}
.contact-band p{color:rgba(11,9,24,.75);margin-top:12px;font-size:15px;}
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;margin-top:56px;}
.form-card,.info-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:28px;padding:32px;
}
.form-card h3,.info-card h3{font-size:19px;margin-bottom:20px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--text-soft);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.06);padding:12px 14px;font-size:15px;
  transition:var(--t);appearance:none;
}
.field textarea{min-height:110px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(169,163,201,.7);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(47,214,192,.18);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-tip{font-size:13px;color:var(--accent-cyan);margin-top:14px;min-height:20px;}
.info-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--text-soft);}
.info-list li:last-child{border-bottom:0;}
.info-list i{color:var(--accent-cyan);margin-top:5px;}
.map-box{
  margin-top:20px;border-radius:24px;padding:2px;background:var(--grad);
}
.map-box .map-inner{
  border-radius:22px;background:var(--ink-800);min-height:150px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--text-soft);font-size:13px;
}
.map-box .map-inner i{font-size:20px;color:var(--accent-cyan);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-soft);max-width:300px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer h4{font-size:15px;margin-bottom:18px;}
.footer-links li + li{margin-top:12px;}
.footer-links a{font-size:14px;color:var(--text-soft);}
.footer-links a:hover{color:var(--accent-cyan);transform:translateX(2px);display:inline-block;}
.qr-box{
  width:96px;height:96px;border-radius:16px;padding:2px;background:var(--grad);margin-top:8px;
}
.qr-box span{
  display:flex;width:100%;height:100%;border-radius:14px;background:var(--ink-900);
  align-items:center;justify-content:center;font-size:12px;color:var(--text-soft);text-align:center;line-height:1.5;
}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-soft);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1050;
  display:flex;align-items:center;gap:12px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-call{
  width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--ink-700);border:1px solid var(--line-strong);color:var(--accent-cyan);
  box-shadow:var(--shadow-dark);
}
.float-call:hover{transform:translateY(-2px);border-color:var(--accent-cyan);}

/* ---------- Offcanvas ---------- */
.xk-offcanvas{background:var(--ink-800);color:var(--text);width:320px;border-left:1px solid var(--line);}
.xk-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px;}
.xk-offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.xk-offcanvas .offcanvas-body{padding:20px 22px;display:flex;flex-direction:column;gap:6px;}
.xk-offcanvas a.m-link{
  display:block;padding:14px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);
}
.xk-offcanvas a.m-link:hover{color:var(--accent-cyan);}
.xk-offcanvas .btn-xk-primary{width:100%;margin-top:22px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .wrap{max-width:1040px;}
  .mega{width:860px;left:-220px;grid-template-columns:1fr 1.1fr .9fr;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .nav-main,.header-right .btn-xk-primary,.header-right .icon-btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .anchor-bar{top:64px;}
  .header-inner{height:64px;}
  .hero{min-height:auto;}
  .hero-inner{grid-template-columns:1fr;padding:96px 0 72px;gap:40px;}
  .hero-copy{max-width:100%;}
  .b-a,.b-b,.b-c,.b-d{grid-column:span 12;}
  .demo-grid{grid-template-columns:1fr;gap:32px;}
  .proof-top{grid-template-columns:repeat(2,1fr);}
  .quotes{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .price-card.recommend{transform:none;}
  .price-card.recommend:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-featured{grid-column:span 2;flex-direction:column;}
  .news-featured .news-thumb{flex:none;}
  .news-featured .news-thumb img{aspect-ratio:16/9;height:auto;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767.98px){
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:16px;}
  .stat-pill b{font-size:24px;}
  .hero-media .hero-float{left:12px;bottom:12px;padding:10px 14px;}
  .bento-card{padding:24px;}
  .proof-top{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-featured{grid-column:span 1;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{
    right:0;left:0;bottom:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(11,9,24,.94);border-top:1px solid var(--line);
    justify-content:space-between;transform:translateY(0);
  }
  .float-cta .btn-xk-primary{flex:1;}
  .footer-bottom{justify-content:flex-start;}
  .xk-faq .accordion-body{margin-left:12px;}
  .xk-faq .accordion-button{padding-right:38px;}
}

/* roulang page: article */
:root{
  --ink-900:#0B0918;
  --ink-800:#150F2E;
  --ink-700:#1F1840;
  --brand-600:#5B3DF5;
  --brand-500:#8A4DFF;
  --accent-gold:#FFB020;
  --accent-cyan:#2FD6C0;
  --paper:#F7F5FF;
  --paper-line:#E6E1F7;
  --txt:#EDE9FF;
  --txt-2:#A9A3C9;
  --txt-dark:#1A1630;
  --txt-dark-2:#5C5478;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 45%,#2FD6C0 100%);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --shadow-dark:0 20px 50px rgba(0,0,0,.35);
  --shadow-light:0 10px 30px rgba(27,20,54,.08);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --ease:transition .25s cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:Montserrat,Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--txt);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s cubic-bezier(.2,.7,.3,1),background-color .25s cubic-bezier(.2,.7,.3,1),border-color .25s cubic-bezier(.2,.7,.3,1),transform .25s cubic-bezier(.2,.7,.3,1);}
a:hover{color:var(--accent-cyan);}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.5px;color:var(--txt);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;border-radius:6px;}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}

/* ---------- 按钮 ---------- */
.btn-grad,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;white-space:nowrap;
  transition:transform .25s cubic-bezier(.2,.7,.3,1),filter .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s cubic-bezier(.2,.7,.3,1),color .25s,border-color .25s;
}
.btn-grad{background:var(--grad);color:#0E0A22;box-shadow:0 12px 30px rgba(91,61,245,.32);}
.btn-grad:hover{color:#0E0A22;filter:brightness(1.06);transform:translateY(-2px);}
.btn-line{border:1px solid var(--line-strong);color:var(--txt);background:rgba(255,255,255,.02);}
.btn-line:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);transform:translateY(-2px);}
.btn-ghost{background:var(--accent-gold);color:#1A1200;height:42px;padding:0 20px;font-size:14px;}
.btn-ghost:hover{filter:brightness(1.06);transform:translateY(-2px);color:#1A1200;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--accent-cyan);}
.link-arrow span{transition:transform .25s cubic-bezier(.2,.7,.3,1);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.4;
}
.badge-cyan{background:rgba(47,214,192,.14);color:#7DF0E0;border:1px solid rgba(47,214,192,.35);}
.badge-gold{background:rgba(255,176,32,.16);color:#FFCC66;border:1px solid rgba(255,176,32,.4);}
.badge-out{border:1px solid var(--line-strong);color:var(--txt-2);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(11,9,24,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(91,61,245,0),rgba(91,61,245,.8),rgba(47,214,192,.7),rgba(91,61,245,0)) 1;
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:-.3px;color:var(--txt);}
.logo:hover{color:var(--txt);}
.logo-mark{
  width:26px;height:26px;border-radius:9px;background:var(--grad);position:relative;flex:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.12) inset;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;border-radius:50%;
  background:#0B0918;box-shadow:0 0 10px 2px rgba(255,176,32,.55) inset;
}
.logo small{font-family:var(--font-num);font-size:11px;letter-spacing:2px;color:var(--txt-2);text-transform:uppercase;transform:translateY(2px);}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-main > li{position:relative;}
.nav-main > li > a{
  display:flex;align-items:center;height:72px;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--txt-2);position:relative;
}
.nav-main > li > a:hover{color:var(--txt);}
.nav-main > li > a.active{color:var(--txt);}
.nav-main > li > a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:16px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--txt-2);font-size:15px;
}
.icon-btn:hover{color:var(--accent-cyan);border-color:rgba(47,214,192,.45);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--txt);font-size:17px;}

/* ---------- Mega Menu ---------- */
.mega{
  position:absolute;top:72px;right:-60px;width:940px;
  display:grid;grid-template-columns:1.05fr 1.35fr 1fr;gap:26px;
  padding:26px;border-radius:var(--r-lg);
  background:var(--ink-800);
  border:1px solid transparent;
  background-image:linear-gradient(var(--ink-800),var(--ink-800)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--shadow-dark);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
  z-index:1040;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega h4{font-size:13px;letter-spacing:1px;color:var(--txt-2);font-weight:600;margin-bottom:12px;text-transform:uppercase;}
.mega-list li a{display:block;padding:7px 0;font-size:14.5px;color:var(--txt);}
.mega-list li a:hover{color:var(--accent-cyan);transform:translateX(2px);}
.mega-post{display:flex;gap:12px;align-items:center;padding:8px;border-radius:var(--r-sm);}
.mega-post:hover{background:rgba(255,255,255,.05);}
.mega-post img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:none;}
.mega-post .mp-title{display:block;font-size:14px;font-weight:600;line-height:1.5;color:var(--txt);}
.mega-post .mp-time{display:block;font-size:12.5px;color:var(--txt-2);margin-top:4px;}
.mega-cover{position:relative;border-radius:var(--r-md);overflow:hidden;min-height:220px;border:1px solid var(--line);}
.mega-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.mega-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,9,24,.15),rgba(11,9,24,.92));}
.mega-cover .mc-body{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;}
.mega-cover .mc-body strong{display:block;font-size:14.5px;line-height:1.5;margin-bottom:8px;color:var(--txt);}

/* ---------- 面包屑 ---------- */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--txt-2);}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumbs li::after{content:"›";margin-left:8px;color:rgba(169,163,201,.6);}
.crumbs li:last-child::after{display:none;}
.crumbs a{color:var(--txt-2);}
.crumbs a:hover{color:var(--accent-cyan);}
.crumbs li[aria-current]{color:var(--txt);font-weight:600;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;margin-top:22px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-800);
  padding:44px 44px 40px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.35;pointer-events:none;
}
.article-hero::after{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.article-hero-inner{position:relative;z-index:2;max-width:840px;}
.article-hero h1{
  font-size:clamp(26px,4vw,40px);line-height:1.28;margin:16px 0 18px;letter-spacing:-.5px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--txt-2);}
.article-meta .dot{color:rgba(169,163,201,.5);}
.article-meta .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;
  padding:56px 0 96px;align-items:start;
}
.panel{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-dark);
}
.article-body{padding:40px 44px 44px;font-size:16.5px;line-height:1.9;color:#E4E0FA;}
.article-body > *:last-child{margin-bottom:0;}
.article-body p{margin:0 0 1.25em;text-align:left;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);font-weight:650;line-height:1.4;
  margin:44px 0 18px;padding-left:20px;color:var(--txt);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;border-radius:4px;background:var(--grad);
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:19px;font-weight:650;margin:32px 0 14px;color:var(--txt);}
.article-body h4{font-size:17px;font-weight:600;margin:26px 0 12px;color:var(--txt);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:4px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul li::before{
  content:"★";position:absolute;left:0;top:.05em;font-size:12px;color:var(--accent-gold);line-height:1.9;
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;padding-left:32px;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.35em;width:20px;height:20px;border-radius:50%;
  background:rgba(47,214,192,.16);border:1px solid rgba(47,214,192,.4);color:#7DF0E0;
  font-family:var(--font-num);font-size:11.5px;font-weight:600;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--accent-cyan);
  background:rgba(138,77,255,.1);border-radius:16px;color:#DCD6F7;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:24px auto;width:auto;max-width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--txt-2);margin-top:10px;}
.article-body a{color:var(--accent-cyan);border-bottom:1px solid rgba(47,214,192,.35);}
.article-body a:hover{color:#8FF5E6;border-bottom-color:#8FF5E6;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;border-radius:16px;overflow:hidden;}
.article-body thead th{background:linear-gradient(120deg,rgba(91,61,245,.32),rgba(47,214,192,.22));color:var(--txt);text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(odd){background:rgba(255,255,255,.03);}
.article-body code{
  font-family:var(--font-num);font-size:14px;background:rgba(255,255,255,.07);
  padding:2px 6px;border-radius:6px;color:#FFD98A;
}
.article-body hr{border:none;height:1px;background:var(--line);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  padding:64px 32px;text-align:center;border-radius:var(--r-md);
  background:var(--ink-700);border:1px dashed var(--line-strong);
}
.empty-state .star{
  width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
  background:var(--grad);display:flex;align-items:center;justify-content:center;color:#0E0A22;font-size:22px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--txt-2);font-size:15px;margin-bottom:22px;}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding:0 44px 40px;}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);font-size:13px;color:var(--txt-2);
}
.tag-pill:hover{border-color:rgba(47,214,192,.5);color:var(--accent-cyan);}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.side-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-dark);}
.side-card h3{font-size:15px;letter-spacing:.5px;margin-bottom:16px;color:var(--txt);display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--accent-cyan);font-size:13px;}
.toc-list li a{
  display:block;padding:8px 0 8px 14px;font-size:14px;color:var(--txt-2);position:relative;
  border-left:1px solid var(--line);
}
.toc-list li a:hover,.toc-list li a.active{color:var(--txt);}
.toc-list li a.active::before{
  content:"";position:absolute;left:-1px;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--grad);
}
.rec-card{display:flex;gap:12px;padding:10px;border-radius:var(--r-sm);}
.rec-card:hover{background:rgba(255,255,255,.05);}
.rec-card img{width:80px;height:80px;border-radius:12px;object-fit:cover;flex:none;}
.rec-card .rc-title{font-size:14px;font-weight:600;line-height:1.55;color:var(--txt);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card .rc-time{font-size:12.5px;color:var(--txt-2);margin-top:6px;font-family:var(--font-num);}
.side-cta{
  border-radius:var(--r-md);padding:22px;border:1px solid transparent;
  background-image:linear-gradient(var(--ink-800),var(--ink-800)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.side-cta strong{display:block;font-size:16px;margin-bottom:8px;color:var(--txt);}
.side-cta p{font-size:13.5px;color:var(--txt-2);margin-bottom:16px;}
.side-cta .btn-grad{width:100%;height:44px;font-size:14px;}

/* ---------- 延伸阅读 ---------- */
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:0 0 96px;}
.next-card{
  display:flex;gap:16px;align-items:center;padding:18px;border-radius:var(--r-md);
  background:var(--ink-700);border:1px solid var(--line);box-shadow:var(--shadow-dark);
}
.next-card:hover{transform:translateY(-4px);border-color:rgba(138,77,255,.6);}
.next-card img{width:96px;height:72px;border-radius:14px;object-fit:cover;flex:none;}
.next-card .nc-label{font-size:12.5px;color:var(--accent-cyan);font-weight:600;letter-spacing:.5px;}
.next-card .nc-title{display:block;font-size:15.5px;font-weight:600;line-height:1.5;margin-top:6px;color:var(--txt);}
.next-card .nc-arrow{margin-left:auto;color:var(--txt-2);font-size:18px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  border-radius:var(--r-lg);padding:48px;position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 45%,#2FD6C0 100%);
  color:#0E0A22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1px);
  background-size:22px 22px;opacity:.25;
}
.cta-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(22px,3vw,30px);color:#0E0A22;margin-bottom:8px;}
.cta-band p{color:rgba(14,10,34,.78);font-size:15px;margin:0;max-width:620px;}
.btn-dark{background:#0B0918;color:#EDE9FF;}
.btn-dark:hover{color:#EDE9FF;filter:brightness(1.15);transform:translateY(-2px);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  display:flex;align-items:center;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .round{
  width:48px;height:48px;border-radius:50%;background:var(--ink-700);border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--accent-cyan);box-shadow:var(--shadow-dark);
}
.float-cta .round:hover{border-color:var(--accent-cyan);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:72px 0 0;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{font-size:14px;color:var(--txt-2);margin:16px 0 18px;max-width:320px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer h4{font-size:14px;letter-spacing:.6px;color:var(--txt);margin-bottom:18px;}
.footer-links li a{display:block;padding:6px 0;font-size:14px;color:var(--txt-2);}
.footer-links li a:hover{color:var(--accent-cyan);transform:translateX(2px);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--txt-2);margin-bottom:12px;line-height:1.7;}
.footer-contact li i{color:var(--accent-cyan);margin-top:5px;font-size:13px;}
.qr-box{
  width:104px;height:104px;border-radius:16px;border:1px dashed var(--line-strong);
  display:flex;align-items:center;justify-content:center;color:var(--txt-2);font-size:12.5px;text-align:center;
  background:rgba(255,255,255,.03);margin-top:6px;
}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;font-size:13px;color:var(--txt-2);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container-x{max-width:1040px;}
  .mega{width:820px;right:-30px;grid-template-columns:1fr 1.2fr;gap:22px;}
  .mega-cover{display:none;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-main{
    position:fixed;top:72px;left:0;right:0;bottom:0;z-index:1045;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--ink-900);padding:18px 24px 120px;overflow-y:auto;
    transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  }
  body.nav-open .nav-main{transform:translateX(0);}
  .nav-main > li > a{height:52px;padding:0 4px;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-main > li > a.active::after{display:none;}
  .nav-main > li > a.active{color:var(--accent-cyan);}
  .mega{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    grid-template-columns:1fr;padding:16px;margin-bottom:10px;
    background-image:linear-gradient(var(--ink-800),var(--ink-800)),var(--grad);
    display:none;
  }
  .has-mega:hover .mega,.has-mega:focus-within .mega{display:block;}
  .mega-cover{display:block;}
  .article-layout{grid-template-columns:1fr;gap:32px;padding:40px 0 72px;}
  .sidebar{position:static;}
  .article-hero{padding:32px 26px 28px;}
  .article-body{padding:28px 26px 32px;}
  .tag-row{padding:0 26px 32px;}
  .next-grid{grid-template-columns:1fr;padding-bottom:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:36px 28px;}
}
@media (max-width:767.98px){
  .section,.section-tight{padding:48px 0;}
  .header-inner{height:64px;}
  .site-header .nav-main{top:64px;}
  .article-body{font-size:16px;padding:24px 20px 28px;}
  .article-hero{padding:26px 20px 24px;border-radius:var(--r-md);}
  .tag-row{padding:0 20px 28px;}
  .float-cta{right:0;left:0;bottom:0;padding:0 16px 16px;gap:0;}
  .float-cta .btn-grad{width:100%;height:56px;border-radius:16px;}
  .float-cta .round{display:none;}
  .article-body table{display:block;overflow-x:auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .next-card img{width:80px;height:64px;}
  .cta-band{padding:30px 22px;border-radius:var(--r-md);}
}
@media (max-width:519.98px){
  .container-x{padding:0 18px;}
  .article-hero h1{font-size:26px;}
  .badge-pill{font-size:12px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#0B0918;
  --ink-800:#150F2E;
  --ink-700:#1F1840;
  --brand-600:#5B3DF5;
  --brand-500:#8A4DFF;
  --accent-gold:#FFB020;
  --accent-cyan:#2FD6C0;
  --paper:#F7F5FF;
  --paper-line:#E6E1F7;
  --txt-1:#EDE9FF;
  --txt-2:#A9A3C9;
  --txt-dark-1:#1A1630;
  --txt-dark-2:#5C5478;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 45%,#2FD6C0 100%);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-dark:0 20px 50px rgba(0,0,0,.35);
  --sh-light:0 10px 30px rgba(27,20,54,.08);
  --t:.25s cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--txt-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--accent-cyan)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:650;letter-spacing:-.3px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding:0 24px;margin:0 auto;width:100%}
.num{font-family:Montserrat,Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,24,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,rgba(91,61,245,.5),rgba(47,214,192,.45),transparent) 1;
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;position:relative;flex:0 0 26px;
}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;inset:0;background:var(--grad);clip-path:polygon(50% 0,60% 40%,100% 50%,60% 60%,50% 100%,40% 60%,0 50%,40% 40%);
}
.logo-mark::after{transform:rotate(45deg) scale(.6);opacity:.75}
.logo-text{font-size:19px;font-weight:700;letter-spacing:-.4px;white-space:nowrap}
.logo-text .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-sub{font-family:Montserrat,Inter,sans-serif;font-size:11px;letter-spacing:2px;color:var(--txt-2);text-transform:uppercase;display:block;margin-top:-4px}
.nav-desktop{margin-left:auto}
.nav-main{display:flex;align-items:center;gap:6px}
.nav-main>li{position:relative}
.nav-main>li>a{
  display:block;padding:10px 14px;font-size:15px;color:var(--txt-2);border-radius:var(--r-pill);
  position:relative;
}
.nav-main>li>a:hover{color:var(--txt-1);background:rgba(255,255,255,.05)}
.nav-main>li>a.active{color:#fff}
.nav-main>li>a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:var(--t);color:var(--txt-1);
}
.icon-btn:hover{border-color:var(--accent-cyan);color:var(--accent-cyan)}
.btn-gold{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--accent-gold);color:#191033;font-weight:700;font-size:15px;border:0;cursor:pointer;
  transition:var(--t);white-space:nowrap;
}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);color:#191033}
.burger{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);color:var(--txt-1);display:none;align-items:center;justify-content:center;cursor:pointer;
}
@media (max-width:991.98px){
  .nav-desktop{display:none}
  .burger{display:flex}
  .header-actions .btn-gold{display:none}
}

/* ---------- mega ---------- */
.has-mega .mega{
  position:absolute;top:calc(100% + 10px);right:0;width:920px;max-width:calc(100vw - 48px);
  background:var(--ink-800);border:1px solid transparent;
  background-image:linear-gradient(var(--ink-800),var(--ink-800)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  border-radius:var(--r-lg);box-shadow:var(--sh-dark);padding:26px;
  display:grid;grid-template-columns:1.05fr 1.15fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega h4{font-size:13px;color:var(--accent-cyan);letter-spacing:1px;margin-bottom:12px;font-weight:600}
.mega-list li+li{margin-top:2px}
.mega-list a{display:block;padding:7px 8px;border-radius:10px;font-size:15px;color:var(--txt-1);transition:var(--t)}
.mega-list a:hover{color:var(--accent-cyan);transform:translateX(2px);background:rgba(47,214,192,.07)}
.mega-post{display:flex;gap:12px;align-items:center;padding:8px;border-radius:14px;transition:var(--t)}
.mega-post:hover{background:rgba(255,255,255,.05)}
.mega-post img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:0 0 64px}
.mp-title{display:block;font-size:14px;line-height:1.5;color:var(--txt-1);margin-bottom:4px}
.mp-time{display:block;font-size:12px;color:var(--txt-2)}
.mega-cover{position:relative;border-radius:var(--r-md);overflow:hidden;min-height:180px;display:flex;align-items:flex-end}
.mega-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mega-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,9,24,.15),rgba(11,9,24,.88))}
.mc-body{position:relative;z-index:2;padding:18px}
.mc-body strong{display:block;font-size:15px;line-height:1.5;margin-bottom:10px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--accent-gold);font-weight:600}
.link-arrow span{transition:transform var(--t)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- offcanvas ---------- */
.offcanvas{background:var(--ink-800);color:var(--txt-1);border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .btn-close{filter:invert(1) grayscale(1) brightness(1.6)}
.drawer-list a{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--txt-1)}
.drawer-list a.active{color:var(--accent-cyan)}
.drawer-sub{padding-left:14px;font-size:14px;color:var(--txt-2)}
.drawer-cta{position:sticky;bottom:0;padding:16px 0 8px;background:linear-gradient(180deg,rgba(21,15,46,0),var(--ink-800) 40%)}
.drawer-cta .btn-gold{width:100%;justify-content:center;height:48px}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:26px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--txt-2);margin:0}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"›";color:var(--txt-2)}
.breadcrumb a{color:var(--txt-2)}
.breadcrumb a:hover{color:var(--accent-cyan)}
.breadcrumb .current{color:var(--txt-1);font-weight:600}

/* ---------- hero ---------- */
.cat-hero{padding:28px 0 0;position:relative;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:-10% -5% 30%;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:26px 26px;opacity:.28;mask-image:radial-gradient(circle at 30% 20%,#000,transparent 70%);
}
.badge-top{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(47,214,192,.5);color:var(--accent-cyan);font-size:12.5px;font-weight:600;
  background:rgba(47,214,192,.08);margin-bottom:18px;
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;position:relative}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.15;font-weight:700;letter-spacing:-.5px}
h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:18px;color:var(--txt-2);font-size:17px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--grad);color:#120c22;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:var(--t);
}
.btn-grad:hover{filter:brightness(1.08);transform:translateY(-2px);color:#120c22}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);
  background:transparent;color:var(--txt-1);font-weight:600;font-size:15px;cursor:pointer;position:relative;
  border:1px solid transparent;background-image:linear-gradient(var(--ink-900),var(--ink-900)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;transition:var(--t);
}
.btn-ghost:hover{transform:translateY(-2px);color:var(--accent-cyan)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid transparent;
  background-image:linear-gradient(var(--ink-700),var(--ink-700)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--sh-dark)}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-media .hm-cap{
  position:absolute;left:0;right:0;bottom:0;padding:22px;
  background:linear-gradient(180deg,rgba(11,9,24,0),rgba(11,9,24,.9));
  font-size:14px;color:var(--txt-1);
}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
.stat-pill{
  border:1px solid var(--line);background:var(--ink-800);border-radius:var(--r-md);padding:16px 18px;
  transition:var(--t);
}
.stat-pill:hover{border-color:rgba(255,176,32,.55);transform:translateY(-3px)}
.stat-pill .v{font-family:Montserrat,Inter,sans-serif;font-size:28px;font-weight:700;color:var(--accent-gold);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-pill .v small{font-size:13px;color:var(--txt-2);margin-left:3px;font-weight:500}
.stat-pill .k{font-size:13px;color:var(--txt-2);margin-top:6px}

/* ---------- section base ---------- */
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.sec-head{max-width:780px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25}
.sec-head .sub{margin-top:12px;color:var(--txt-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.6px;font-weight:600;color:var(--accent-cyan);margin-bottom:14px}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:3px;background:var(--grad)}

/* ---------- bento 卖点 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-dark);transition:var(--t);position:relative;overflow:hidden;
}
.bento-card:hover{transform:translateY(-4px);border-color:transparent;
  background-image:linear-gradient(var(--ink-700),var(--ink-700)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box}
.bc-7{grid-column:span 7}
.bc-5{grid-column:span 5}
.bc-4{grid-column:span 4}
.bc-8{grid-column:span 8}
.bento-card h3{font-size:20px;margin-bottom:10px}
.bento-card p{color:var(--txt-2);font-size:15px}
.ico{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:20px;color:var(--accent-cyan);background:rgba(91,61,245,.18);border:1px solid rgba(138,77,255,.35);
  margin-bottom:18px;
}
.bento-card.gold .ico{color:var(--accent-gold);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.35)}
.bento-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:18px}
.bento-stats .bs-v{font-family:Montserrat,Inter,sans-serif;font-size:30px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.bento-stats .bs-k{font-size:13px;color:var(--txt-2)}

/* ---------- 课程矩阵 ---------- */
.course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.course-card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:var(--t);box-shadow:var(--sh-dark);
}
.course-card:hover{transform:translateY(-4px);border-color:transparent;
  background-image:linear-gradient(var(--ink-700),var(--ink-700)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box}
.course-card .cc-img{position:relative;aspect-ratio:16/9;overflow:hidden}
.course-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.course-card:hover .cc-img img{transform:scale(1.04)}
.cc-badge{
  position:absolute;left:16px;top:16px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(11,9,24,.75);border:1px solid rgba(47,214,192,.6);color:var(--accent-cyan);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;
}
.cc-body{padding:26px;display:flex;flex-direction:column;flex:1}
.cc-body h3{font-size:21px;margin-bottom:12px}
.spec-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:4px 0 18px}
.spec-item{border-left:2px solid rgba(138,77,255,.5);padding-left:10px}
.spec-item .sk{font-size:12px;color:var(--txt-2)}
.spec-item .sv{font-size:14.5px;font-weight:600}
.hl-list{margin-bottom:22px}
.hl-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--txt-2);margin-bottom:8px}
.hl-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:9px;height:9px;background:var(--accent-gold);
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.cc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.price-tag{font-family:Montserrat,Inter,sans-serif;font-size:15px;color:var(--accent-gold);font-weight:600}
.price-tag small{color:var(--txt-2);font-weight:500;margin-left:4px;font-size:12px}

/* ---------- 流程时间轴 ---------- */
.timeline{position:relative;padding-left:32px}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--grad);opacity:.85;
}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:6px;width:21px;height:21px;border-radius:50%;
  background:var(--ink-900);border:3px solid var(--accent-cyan);
}
.tl-date{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.5);color:var(--accent-gold);
  font-size:12.5px;font-weight:600;margin-bottom:10px;
}
.tl-item h3{font-size:18px;margin-bottom:6px}
.tl-item p{color:var(--txt-2);font-size:14.5px}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split.rev .split-media{order:2}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid transparent;
  background-image:linear-gradient(var(--ink-700),var(--ink-700)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--sh-dark)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:clamp(23px,2.8vw,32px);margin-bottom:16px}
.split p{color:var(--txt-2)}
.check-list{margin-top:20px}
.check-list li{position:relative;padding-left:30px;margin-bottom:12px;font-size:15px}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;
  background:rgba(47,214,192,.15);border:1px solid rgba(47,214,192,.5);color:var(--accent-cyan);
  font-size:12px;display:flex;align-items:center;justify-content:center;line-height:1;margin-top:4px;
}

/* ---------- 证据 ---------- */
.proof{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:52px}
.pb{
  border-radius:var(--r-pill);padding:22px 24px;text-align:center;border:1px solid transparent;
  background-image:linear-gradient(var(--ink-700),var(--ink-700)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.pb .pv{font-family:Montserrat,Inter,sans-serif;font-size:32px;font-weight:700;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.15}
.pb .pk{font-size:13px;color:var(--txt-2);margin-top:6px}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.quote-card{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;transition:var(--t)}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(255,176,32,.45)}
.quote-card .qc-mark{font-size:34px;line-height:1;color:var(--accent-gold);font-family:Georgia,serif;margin-bottom:10px}
.quote-card p{font-size:15.5px;color:var(--txt-1);margin-bottom:18px}
.qc-who{font-size:13px;color:var(--txt-2);border-top:1px solid var(--line);padding-top:14px}
.partner-row{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:44px;justify-content:center}
.partner-row span{font-size:14px;color:rgba(169,163,201,.65);font-weight:600;letter-spacing:.5px;transition:var(--t)}
.partner-row span:hover{color:var(--txt-1)}

/* ---------- FAQ 浅色区 ---------- */
.paper-sec{background:var(--paper);color:var(--txt-dark-1)}
.paper-sec .section{padding:var(--sec) 0}
.paper-sec h2,.paper-sec h3{color:var(--txt-dark-1)}
.paper-sec .sub{color:var(--txt-dark-2)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-wrap .accordion-item{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;
  box-shadow:var(--sh-light);
}
.faq-wrap .accordion-button{
  background:#fff;color:var(--txt-dark-1);font-size:16.5px;font-weight:600;padding:18px 22px 18px 56px;
  border:0;border-radius:var(--r-md)!important;box-shadow:none;position:relative;
}
.faq-wrap .accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:var(--t);
}
.faq-wrap .accordion-button:not(.collapsed)::before{background:var(--grad)}
.faq-wrap .accordion-button::after{
  background-image:none;content:"⌄";font-size:22px;color:var(--txt-dark-2);
  width:auto;height:auto;transform:none;position:absolute;right:22px;top:50%;margin-top:-16px;
  transition:transform var(--t),color var(--t);line-height:1;
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand-600)}
.faq-wrap .accordion-button:not(.collapsed){background:#fff;color:var(--brand-600);box-shadow:none}
.faq-wrap .accordion-button:focus{box-shadow:none;border-color:var(--paper-line)}
.faq-wrap .accordion-body{
  background:#F2EFFF;color:var(--txt-dark-2);font-size:15px;line-height:1.85;margin:0 22px 20px;border-radius:16px;padding:20px;
}
.faq-wrap .accordion-collapse{border:0}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);padding:48px;background:var(--grad);color:#140d26;
  display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;box-shadow:var(--sh-dark);
}
.cta-band h2{font-size:clamp(23px,2.9vw,32px);color:#140d26;margin-bottom:12px}
.cta-band p{color:rgba(20,13,38,.82);font-size:15.5px}
.cta-band .btn-dark{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:#140d26;color:#fff;font-weight:700;border:0;cursor:pointer;transition:var(--t);
}
.cta-band .btn-dark:hover{transform:translateY(-2px);color:var(--accent-gold)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}

/* ---------- 表单区 ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
.form-panel{background:var(--ink-700);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-dark)}
.form-panel h2{font-size:26px;margin-bottom:8px}
.form-panel .fp-sub{color:var(--txt-2);font-size:14.5px;margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;margin-bottom:8px;color:var(--txt-2)}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.06);border:1px solid var(--line-strong);border-radius:var(--r-sm);
  padding:12px 14px;font-size:15px;color:var(--txt-1);transition:var(--t);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(47,214,192,.18);
}
.field select option{background:var(--ink-700);color:var(--txt-1)}
.field .err{display:none;font-size:13px;color:var(--accent-gold);margin-top:6px}
.field.has-err input,.field.has-err select{border-color:var(--accent-gold)}
.field.has-err .err{display:block}
.form-two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:12.5px;color:var(--txt-2);margin-top:14px}
.info-panel{display:grid;gap:18px}
.info-card{background:var(--ink-800);border:1px solid var(--line);border-radius:var(--r-md);padding:24px}
.info-card h3{font-size:16px;margin-bottom:14px;color:var(--accent-cyan)}
.info-line{display:flex;gap:12px;font-size:14.5px;color:var(--txt-2);margin-bottom:12px}
.info-line i{color:var(--accent-gold);margin-top:4px}
.info-line strong{color:var(--txt-1);font-weight:600}
.map-box{
  border-radius:var(--r-lg);min-height:180px;border:1px solid transparent;position:relative;overflow:hidden;
  background-image:linear-gradient(var(--ink-700),var(--ink-700)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;color:var(--txt-2);
}
.map-box img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.28}
.map-box span{position:relative;z-index:2;font-size:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-about p{color:var(--txt-2);font-size:14.5px;margin:16px 0 18px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);font-size:12.5px;color:var(--txt-2);
}
.tag:hover{border-color:var(--accent-cyan);color:var(--accent-cyan)}
.foot-col h3{font-size:15px;margin-bottom:16px;color:var(--txt-1)}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14.5px;color:var(--txt-2);display:inline-block}
.foot-col a:hover{color:var(--accent-cyan);transform:translateX(2px)}
.foot-contact li{display:flex;gap:10px;font-size:14.5px;color:var(--txt-2);margin-bottom:12px}
.foot-contact i{color:var(--accent-gold);margin-top:4px}
.qr-box{
  width:96px;height:96px;border-radius:16px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  display:flex;align-items:center;justify-content:center;color:var(--txt-2);font-size:12px;text-align:center;padding:8px;
  margin-top:14px;
}
.foot-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:22px 0;font-size:13px;color:var(--txt-2);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;display:flex;align-items:center;gap:12px;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--t);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .fc-main{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--grad);color:#140d26;font-weight:700;font-size:15px;box-shadow:var(--sh-dark);
}
.float-cta .fc-main:hover{filter:brightness(1.08);transform:translateY(-2px);color:#140d26}
.float-cta .fc-tel{
  width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--ink-700);border:1px solid var(--line-strong);color:var(--accent-gold);font-size:18px;
}
.float-cta .fc-tel:hover{border-color:var(--accent-gold)}
@media (max-width:767.98px){
  .float-cta{left:0;right:0;bottom:0;justify-content:center;gap:0;
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));background:rgba(11,9,24,.94);
    border-top:1px solid var(--line);transform:translateY(100%)}
  .float-cta.show{transform:translateY(0)}
  .float-cta .fc-main{width:100%;justify-content:center;height:44px}
  .float-cta .fc-tel{display:none}
  body{padding-bottom:62px}
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--sec:72px}
  .bento-card{padding:24px}
  .mega{width:820px}
}
@media (max-width:991.98px){
  :root{--sec:72px}
  .hero-grid,.split,.cta-band,.contact-grid{grid-template-columns:1fr;gap:32px}
  .split.rev .split-media{order:0}
  .stat-row,.proof-badges{grid-template-columns:repeat(2,1fr)}
  .course-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(6,1fr)}
  .bc-7,.bc-5,.bc-4,.bc-8{grid-column:span 6}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  :root{--sec:48px}
  .container{padding:0 18px}
  h1{font-size:clamp(30px,8vw,34px)}
  .stat-row{gap:12px}
  .stat-pill{padding:14px}
  .stat-pill .v{font-size:24px}
  .spec-row{grid-template-columns:1fr}
  .form-two{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .form-panel{padding:22px}
  .proof-badges{grid-template-columns:1fr 1fr;gap:14px}
  .pb{padding:16px 14px}
  .pb .pv{font-size:26px}
  .bento{grid-template-columns:repeat(2,1fr);gap:16px}
  .bc-7,.bc-5,.bc-4,.bc-8{grid-column:span 2}
  .foot-grid{grid-template-columns:1fr}
  .timeline{padding-left:26px}
  .tl-item::before{left:-26px;width:18px;height:18px}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B0918;
  --ink-800:#150F2E;
  --ink-700:#1F1840;
  --brand-600:#5B3DF5;
  --brand-500:#8A4DFF;
  --gold:#FFB020;
  --cyan:#2FD6C0;
  --paper:#F7F5FF;
  --paper-line:#E6E1F7;
  --txt:#EDE9FF;
  --txt-sub:#A9A3C9;
  --txt-dark:#1A1630;
  --txt-dark-sub:#5C5478;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 45%,#2FD6C0 100%);
  --grad-soft:linear-gradient(120deg,rgba(91,61,245,.22),rgba(138,77,255,.14),rgba(47,214,192,.16));
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --line:1px solid rgba(255,255,255,.08);
  --line-strong:1px solid rgba(255,255,255,.14);
  --sh-dark:0 20px 50px rgba(0,0,0,.35);
  --sh-light:0 10px 30px rgba(27,20,54,.08);
  --tr:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:Montserrat,Inter,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--txt);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr),background var(--tr),border-color var(--tr),transform var(--tr)}
a:hover{color:var(--cyan)}
h1,h2,h3,h4,h5{margin:0;font-weight:650;line-height:1.3;color:var(--txt)}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--paper{background:var(--paper);color:var(--txt-dark)}
.section--paper h2,.section--paper h3,.section--paper h4{color:var(--txt-dark)}
.section--paper p{color:var(--txt-dark-sub)}
.section--ink{background:var(--ink-800)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--cyan);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad)}
.section-head{max-width:720px;margin-bottom:48px}
.section-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:650;letter-spacing:-.3px}
.section-head p{margin-top:12px;color:var(--txt-sub);font-size:15.5px;max-width:640px}
.section--paper .section-head p{color:var(--txt-dark-sub)}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--grad);color:#120C2B;font-weight:700;font-size:15px;
  box-shadow:0 12px 30px rgba(91,61,245,.35);
  transition:transform var(--tr),filter var(--tr),box-shadow var(--tr);
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.06);color:#120C2B}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);color:var(--txt);
  font-weight:600;font-size:15px;background:transparent;
  transition:border-color var(--tr),transform var(--tr),background var(--tr);
}
.btn-ghost:hover{border-color:var(--cyan);color:var(--txt);transform:translateY(-2px);background:rgba(47,214,192,.08)}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--gold);color:#1A1630;font-weight:700;font-size:14px;
  transition:transform var(--tr),filter var(--tr);
}
.btn-gold:hover{transform:translateY(-2px);filter:brightness(1.06);color:#1A1630}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--cyan)}
.link-arrow span{transition:transform var(--tr)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(11,9,24,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.site-header::after{
  content:"";display:block;height:1px;width:100%;
  background:var(--grad);opacity:.65;
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  position:relative;width:34px;height:34px;border-radius:11px;
  background:var(--grad);box-shadow:0 8px 20px rgba(91,61,245,.45);
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";position:absolute;inset:7px;background:#fff;
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text strong{font-size:19px;font-weight:750;letter-spacing:-.2px;color:#fff}
.logo-text small{
  font-family:var(--font-num);font-size:10px;letter-spacing:2.4px;
  color:var(--txt-sub);text-transform:uppercase;margin-top:2px;
}
.nav-main{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-main>li{position:relative}
.nav-main>li>a{
  display:block;padding:12px 14px;font-size:15px;font-weight:600;
  color:var(--txt-sub);border-radius:var(--r-sm);position:relative;
}
.nav-main>li>a:hover{color:var(--txt)}
.nav-main>li>a.active{color:#fff}
.nav-main>li>a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);
  border:var(--line-strong);display:inline-flex;align-items:center;justify-content:center;
  color:var(--txt-sub);transition:color var(--tr),border-color var(--tr),background var(--tr);
}
.icon-btn:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(47,214,192,.07)}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-sm);border:var(--line-strong);
  align-items:center;justify-content:center;color:var(--txt)}

/* Mega Menu */
.has-mega>.mega{
  position:absolute;top:calc(100% + 14px);right:0;width:920px;max-width:calc(100vw - 48px);
  display:grid;grid-template-columns:1fr 1.15fr .95fr;gap:28px;
  padding:28px;border-radius:var(--r-lg);
  background:var(--ink-800);
  border:1px solid transparent;
  background-image:linear-gradient(var(--ink-800),var(--ink-800)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-dark);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.has-mega:hover>.mega,.has-mega:focus-within>.mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega h4{font-size:12px;letter-spacing:1.6px;color:var(--txt-sub);font-weight:700;margin-bottom:14px}
.mega-list li+li{margin-top:6px}
.mega-list a{display:block;padding:7px 0;font-size:14.5px;color:var(--txt);transition:color var(--tr),transform var(--tr)}
.mega-list a:hover{color:var(--cyan);transform:translateX(2px)}
.mega-post{display:flex;gap:12px;align-items:center;padding:9px;border-radius:var(--r-sm);transition:background var(--tr)}
.mega-post:hover{background:rgba(255,255,255,.05)}
.mega-post img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.mega-post .mp-title{display:block;font-size:14px;line-height:1.5;color:var(--txt);font-weight:600}
.mega-post .mp-time{display:block;font-size:12.5px;color:var(--txt-sub);margin-top:4px}
.mega-cover{position:relative;border-radius:var(--r-md);overflow:hidden;min-height:220px;display:flex;align-items:flex-end}
.mega-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mega-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,9,24,.15),rgba(11,9,24,.92))}
.mc-body{position:relative;z-index:2;padding:20px}
.mc-body strong{display:block;font-size:15px;line-height:1.6;margin-bottom:10px;color:#fff}

/* 移动抽屉 */
.offcanvas.offcanvas-end{background:var(--ink-800);color:var(--txt);width:320px;border-left:1px solid rgba(255,255,255,.08)}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 20px}
.offcanvas-body{padding:16px 20px 24px}
.drawer-nav a{display:block;padding:13px 0;font-size:16px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.06);color:var(--txt-sub)}
.drawer-nav a.active,.drawer-nav a:hover{color:var(--cyan)}
.drawer-sub{padding:8px 0 8px 14px}
.drawer-sub a{font-size:14px;padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.07)}
.drawer-cta{margin-top:22px;display:grid;gap:12px}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:20px 0 0;font-size:13px;color:var(--txt-sub)}
.breadcrumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
.breadcrumb-bar li::after{content:"›";margin-left:8px;color:rgba(255,255,255,.3)}
.breadcrumb-bar li:last-child::after{display:none}
.breadcrumb-bar a{color:var(--txt-sub)}
.breadcrumb-bar a:hover{color:var(--cyan)}
.breadcrumb-bar strong{color:var(--txt);font-weight:700}

/* ---------- 页头 Hero ---------- */
.page-hero{padding:32px 0 72px}
.page-hero h1{font-size:clamp(30px,5vw,52px);font-weight:700;letter-spacing:-.6px;max-width:820px}
.page-hero .lead{margin-top:18px;font-size:17px;color:var(--txt-sub);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  border:var(--line-strong);color:var(--txt-sub);
}
.tag--cyan{border-color:rgba(47,214,192,.45);color:var(--cyan)}
.tag--gold{border-color:rgba(255,176,32,.5);color:var(--gold)}
.hero-cover{
  position:relative;margin-top:44px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid transparent;
  background-image:linear-gradient(var(--ink-700),var(--ink-700)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-dark);
}
.hero-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.hero-cover .cover-cap{
  position:absolute;left:0;right:0;bottom:0;padding:22px 26px;
  background:linear-gradient(180deg,rgba(11,9,24,0),rgba(11,9,24,.9));
  font-size:14px;color:var(--txt-sub);
}

/* ---------- 渐变 CTA 条 ---------- */
.cta-strip{
  border-radius:var(--r-lg);padding:22px 28px;
  background:var(--grad);color:#140E30;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(91,61,245,.28);
}
.cta-strip strong{font-size:17px;font-weight:750;color:#140E30;display:block}
.cta-strip span{font-size:14px;color:rgba(20,14,48,.78)}
.cta-strip .btn-dark{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);background:#140E30;color:#fff;font-weight:700;font-size:14px;
  transition:transform var(--tr);
}
.cta-strip .btn-dark:hover{transform:translateY(-2px);color:#fff}

/* ---------- 时间轴 ---------- */
.notice-bar{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 22px;border-radius:var(--r-md);
  background:var(--grad-soft);border:var(--line);
  font-size:14.5px;color:var(--txt-sub);
}
.notice-bar i{color:var(--cyan);margin-top:3px}
.notice-bar strong{color:var(--txt)}

.timeline{position:relative;margin-top:40px;padding-left:36px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:var(--grad);opacity:.85;
}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:26px;width:15px;height:15px;border-radius:50%;
  background:var(--ink-900);border:3px solid var(--brand-500);
  box-shadow:0 0 0 4px rgba(91,61,245,.16);
}
.tl-card{
  background:var(--ink-700);border:var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-dark);
  transition:transform var(--tr),border-color var(--tr);
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(47,214,192,.5)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
.date-chip{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.5);
  color:var(--gold);font-size:13px;font-weight:700;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
}
.status{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;
}
.status i{font-size:11px}
.status--open{background:rgba(255,176,32,.16);color:var(--gold);border:1px solid rgba(255,176,32,.45)}
.status--live{background:rgba(47,214,192,.14);color:var(--cyan);border:1px solid rgba(47,214,192,.45)}
.status--done{background:rgba(255,255,255,.06);color:var(--txt-sub);border:1px solid rgba(255,255,255,.14)}
.tl-card h3{font-size:20px;font-weight:650}
.tl-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:8px;font-size:13.5px;color:var(--txt-sub)}
.tl-meta span{display:inline-flex;align-items:center;gap:7px}
.tl-meta i{color:var(--brand-500)}
.tl-desc{margin-top:12px;font-size:14.5px;color:var(--txt-sub);max-width:760px}

/* ---------- Bento 服务能力 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-card{
  background:var(--ink-700);border:var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-dark);position:relative;overflow:hidden;
  transition:transform var(--tr),border-color var(--tr);
}
.bento-card:hover{transform:translateY(-4px);border-color:rgba(47,214,192,.45)}
.bento-card .ico{
  width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:var(--line-strong);color:var(--cyan);font-size:20px;margin-bottom:18px;
}
.bento-card h3{font-size:21px;margin-bottom:10px}
.bento-card p{font-size:14.5px;color:var(--txt-sub);margin-bottom:16px;max-width:46ch}
.bento-card .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:750;color:var(--gold);line-height:1;margin-bottom:8px;
}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.span-4{grid-column:span 4}
.span-6{grid-column:span 6}
.span-12{grid-column:span 12}
.bento-card--wide{display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.bento-card--wide .txt{flex:1 1 320px}
.bento-card--wide img{width:100%;max-width:300px;border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  background:var(--ink-800);border:var(--line);border-radius:var(--r-md);
  padding:26px 22px;position:relative;transition:transform var(--tr),border-color var(--tr);
}
.step:hover{transform:translateY(-4px);border-color:rgba(91,61,245,.55)}
.step .idx{
  width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,214,192,.14);border:1px solid rgba(47,214,192,.45);color:var(--cyan);
  font-family:var(--font-num);font-weight:750;font-size:15px;margin-bottom:16px;
}
.step h3{font-size:17.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--txt-sub);margin:0}

/* ---------- 赛事类型清单 ---------- */
.type-list{border-top:1px solid rgba(255,255,255,.08)}
.type-row{
  display:grid;grid-template-columns:1.2fr 1.4fr .9fr auto;gap:20px;align-items:center;
  padding:22px 4px;border-bottom:1px solid rgba(255,255,255,.08);
  transition:background var(--tr),padding var(--tr);
}
.type-row:hover{background:rgba(255,255,255,.03);padding-left:14px;padding-right:14px}
.type-row h3{font-size:17.5px;font-weight:650}
.type-row .spec{display:flex;flex-wrap:wrap;gap:8px}
.type-row .spec i{margin-right:6px;color:var(--brand-500)}
.spec-item{font-size:13.5px;color:var(--txt-sub)}
.row-cta{justify-self:end}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-wrap .accordion-item{
  background:transparent;border:0;border-radius:0;margin-bottom:12px;
  overflow:hidden;
}
.faq-wrap .accordion-button{
  background:transparent;color:var(--txt-dark);
  font-size:16.5px;font-weight:650;padding:16px 52px 16px 20px;
  border-radius:var(--r-sm)!important;
  border-left:3px solid transparent;
  box-shadow:none;min-height:56px;
  transition:background var(--tr),border-color var(--tr);
}
.faq-wrap .accordion-button::after{
  background-image:none;content:"";
  position:absolute;right:22px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--txt-dark-sub);border-bottom:2px solid var(--txt-dark-sub);
  transform:translateY(-70%) rotate(45deg);
  transition:transform var(--tr),border-color var(--tr);
}
.faq-wrap .accordion-button:not(.collapsed){
  background:#fff;border-left:3px solid transparent;
  border-image:var(--grad) 1;
  color:var(--txt-dark);
}
.faq-wrap .accordion-button:not(.collapsed)::after{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--brand-600);
}
.faq-wrap .accordion-button:focus{box-shadow:0 0 0 2px rgba(47,214,192,.6);border-color:transparent}
.faq-wrap .accordion-body{
  background:#fff;border-radius:0 0 var(--r-md) var(--r-md);
  padding:20px 22px;font-size:15px;color:var(--txt-dark-sub);line-height:1.85;
}
.faq-wrap .accordion-collapse{border-radius:var(--r-md)}

/* ---------- 页尾 CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(21,15,46,.92),rgba(21,15,46,.92)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-dark);
}
.cta-band .band-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.16}
.cta-band .band-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;padding:48px}
.cta-band h2{font-size:clamp(24px,3.2vw,34px)}
.cta-band .sub{margin-top:14px;color:var(--txt-sub);font-size:15px;max-width:46ch}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field label{font-size:14px;color:var(--txt-sub);font-weight:600}
.form-field input,.form-field select,.form-field textarea{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-sm);padding:12px 14px;color:var(--txt);width:100%;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(169,163,201,.75)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,214,192,.18);
}
.form-field select option{color:#1A1630}
.full{grid-column:1/-1}
.form-note{font-size:13px;color:var(--txt-sub);margin-top:14px}
.contact-card{
  background:rgba(255,255,255,.04);border:var(--line);border-radius:var(--r-md);
  padding:26px;align-self:start;
}
.contact-card h3{font-size:18px;margin-bottom:16px}
.contact-line{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14.5px;color:var(--txt-sub)}
.contact-line:last-of-type{border-bottom:0}
.contact-line i{color:var(--cyan);margin-top:4px;width:18px;text-align:center}
.contact-line strong{display:block;color:var(--txt);font-weight:650;font-size:15px}
.map-box{
  margin-top:18px;border-radius:var(--r-md);height:150px;
  border:1px solid transparent;
  background-image:linear-gradient(140deg,#1F1840,#150F2E),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  display:flex;align-items:center;justify-content:center;gap:10px;
  color:var(--txt-sub);font-size:14px;
}
.map-box i{color:var(--cyan)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{color:var(--txt-sub);font-size:14.5px;margin:16px 0 18px;max-width:34ch}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff}
.footer-col li+li{margin-top:9px}
.footer-col a{font-size:14.5px;color:var(--txt-sub);display:inline-block}
.footer-col a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-contact li{display:flex;gap:12px;font-size:14.5px;color:var(--txt-sub);margin-bottom:12px}
.footer-contact i{color:var(--cyan);margin-top:5px}
.qr-box{
  width:104px;height:104px;border-radius:16px;margin-top:16px;
  border:1px solid transparent;
  background-image:linear-gradient(140deg,#241B4C,#150F2E),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  display:flex;align-items:center;justify-content:center;color:var(--txt-sub);font-size:12px;text-align:center;
}
.copyright{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--txt-sub);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  display:flex;align-items:center;gap:12px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--tr),transform var(--tr),visibility var(--tr);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .round{
  width:48px;height:48px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink-700);border:1px solid rgba(47,214,192,.45);color:var(--cyan);
  box-shadow:var(--sh-dark);transition:transform var(--tr);
}
.float-cta .round:hover{transform:translateY(-2px)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .wrap{max-width:1040px}
  .nav-main>li>a{padding:12px 10px;font-size:14.5px}
  .has-mega>.mega{width:820px}
}
@media (max-width:991.98px){
  .nav-main,.header-actions .icon-btn,.header-actions .btn-brand{display:none}
  .burger{display:inline-flex}
  .section{padding:72px 0}
  .bento{grid-template-columns:repeat(6,1fr)}
  .span-7,.span-5,.span-6{grid-column:span 3}
  .span-4{grid-column:span 3}
  .steps{grid-template-columns:repeat(2,1fr)}
  .type-row{grid-template-columns:1fr 1fr;gap:14px}
  .row-cta{justify-self:start;grid-column:1/-1}
  .cta-band .band-inner{grid-template-columns:1fr;padding:36px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .section--tight{padding:40px 0}
  .section-head{margin-bottom:32px}
  .page-hero h1{font-size:30px}
  .page-hero{padding:20px 0 48px}
  .hero-cover img{aspect-ratio:4/3}
  .bento{grid-template-columns:1fr}
  .span-7,.span-5,.span-6,.span-4,.span-12{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .type-row{grid-template-columns:1fr}
  .timeline{padding-left:28px}
  .timeline::before{left:6px}
  .tl-item::before{left:-27px;width:13px;height:13px}
  .bento-card,.tl-card,.step{padding:22px}
  .form-grid{grid-template-columns:1fr}
  .cta-strip{padding:20px;flex-direction:column;align-items:flex-start}
  .cta-band .band-inner{padding:26px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    right:0;left:0;bottom:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(11,9,24,.94);backdrop-filter:blur(12px);
    border-top:1px solid rgba(255,255,255,.08);
  }
  .float-cta .btn-brand{flex:1}
  .float-cta .round{width:44px;height:44px}
  .site-footer{padding-bottom:72px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink-900:#0B0918;
  --ink-800:#150F2E;
  --ink-700:#1F1840;
  --brand-600:#5B3DF5;
  --brand-500:#8A4DFF;
  --accent-gold:#FFB020;
  --accent-cyan:#2FD6C0;
  --paper:#F7F5FF;
  --paper-line:#E6E1F7;
  --text-1:#EDE9FF;
  --text-2:#A9A3C9;
  --dark-1:#1A1630;
  --dark-2:#5C5478;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 45%,#2FD6C0 100%);
  --grad-soft:linear-gradient(120deg,rgba(91,61,245,.22) 0%,rgba(138,77,255,.16) 45%,rgba(47,214,192,.18) 100%);
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --shadow-dark:0 20px 50px rgba(0,0,0,.35);
  --shadow-light:0 10px 30px rgba(27,20,54,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.2px;color:inherit}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),transform .25s var(--ease)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-light{background:var(--paper);color:var(--dark-1)}
.section-light .sec-sub,.section-light .muted{color:var(--dark-2)}
.muted{color:var(--text-2)}
.num{font-variant-numeric:tabular-nums;font-family:Montserrat,Inter,system-ui,sans-serif}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:0;
  font-size:15px;font-weight:600;letter-spacing:.2px;cursor:pointer;
  transition:transform .25s var(--ease),filter .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease);
}
.btn-grad{background:var(--grad);color:#0B0918;box-shadow:0 10px 26px rgba(91,61,245,.32)}
.btn-grad:hover{filter:brightness(1.06);transform:translateY(-2px);color:#0B0918}
.btn-gold{background:var(--accent-gold);color:#161029;box-shadow:0 10px 24px rgba(255,176,32,.22)}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);color:#161029}
.btn-ghost{
  background:transparent;color:var(--text-1);
  box-shadow:inset 0 0 0 1px var(--line-strong);
}
.btn-ghost:hover{box-shadow:inset 0 0 0 1px transparent;background:var(--grad-soft);transform:translateY(-2px);color:#fff}
.btn-outline-grad{
  position:relative;background:transparent;color:var(--text-1);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.btn-outline-grad::after{
  content:"";position:absolute;inset:0;border-radius:999px;padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.btn-outline-grad:hover{transform:translateY(-2px);color:#fff;background:rgba(138,77,255,.14)}
.btn-light{background:var(--dark-1);color:#fff}
.btn-light:hover{filter:brightness(1.15);transform:translateY(-2px);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent-cyan)}
.link-arrow span{transition:transform .25s var(--ease)}
.link-arrow:hover{color:#fff}
.link-arrow:hover span{transform:translateX(4px)}
.section-light .link-arrow{color:var(--brand-600)}
.section-light .link-arrow:hover{color:#2b1f7a}

/* ---------- 通用 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.6px;
  color:var(--accent-cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.section-light .eyebrow{color:var(--brand-600)}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25}
.sec-sub{margin-top:12px;font-size:15.5px;color:var(--text-2);max-width:640px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.2px;white-space:nowrap;
}
.badge-cyan{background:rgba(47,214,192,.14);color:#5CE7D5;box-shadow:inset 0 0 0 1px rgba(47,214,192,.42)}
.badge-gold{background:rgba(255,176,32,.14);color:#FFC661;box-shadow:inset 0 0 0 1px rgba(255,176,32,.42)}
.badge-line{background:rgba(255,255,255,.04);color:var(--text-2);box-shadow:inset 0 0 0 1px var(--line-strong)}
.section-light .badge-cyan{background:rgba(47,214,192,.14);color:#0E7C6E;box-shadow:inset 0 0 0 1px rgba(14,124,110,.3)}
.section-light .badge-line{background:#fff;color:var(--dark-2);box-shadow:inset 0 0 0 1px var(--paper-line)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,24,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad);opacity:.55;
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  position:relative;width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 8px 20px rgba(91,61,245,.35);
}
.logo-mark::before{content:"";position:absolute;width:4px;height:20px;border-radius:3px;background:#0B0918}
.logo-mark::after{content:"";position:absolute;width:20px;height:4px;border-radius:3px;background:#0B0918}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:#fff;white-space:nowrap}
.logo-text em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-main{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-main > li{position:relative}
.nav-main > li > a{
  display:inline-flex;align-items:center;height:72px;padding:0 14px;font-size:15px;font-weight:500;
  color:var(--text-2);position:relative;
}
.nav-main > li > a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:3px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.nav-main > li > a:hover{color:#fff}
.nav-main > li > a:hover::after,.nav-main > li > a.active::after{transform:scaleX(1)}
.nav-main > li > a.active{color:#fff;font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;border-radius:999px;display:grid;place-items:center;
  background:rgba(255,255,255,.05);box-shadow:inset 0 0 0 1px var(--line-strong);cursor:pointer;border:0;
  color:var(--text-1);transition:background .25s var(--ease),color .25s var(--ease);
}
.icon-btn:hover{background:rgba(47,214,192,.16);color:#fff}
.icon-search::before{content:"";width:13px;height:13px;border:2px solid currentColor;border-radius:50%;display:block;transform:translate(-1px,-1px)}
.icon-search::after{content:"";position:absolute;width:7px;height:2px;background:currentColor;border-radius:2px;transform:rotate(45deg) translate(5px,4px)}
.icon-btn.icon-search{position:relative}
.burger{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);box-shadow:inset 0 0 0 1px var(--line-strong);border:0;cursor:pointer;padding:0;place-items:center}
.burger span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;margin:3px auto}

/* Mega Menu */
.mega{
  position:absolute;top:calc(100% + 12px);right:-120px;width:940px;max-width:calc(100vw - 48px);
  display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:26px;padding:26px;
  background:var(--ink-800);border-radius:var(--r-lg);box-shadow:var(--shadow-dark);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .15s var(--ease),transform .15s var(--ease),visibility .15s;
  z-index:1040;
}
.mega::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;pointer-events:none;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega h4{font-size:12.5px;font-weight:600;letter-spacing:.8px;color:var(--text-2);margin-bottom:14px}
.mega-list li + li{margin-top:10px}
.mega-list a{font-size:14.5px;color:#D9D4F5;display:inline-block}
.mega-list a:hover{color:var(--accent-cyan);transform:translateX(2px)}
.mega-post{display:flex;gap:12px;padding:10px;border-radius:16px;transition:background .25s var(--ease)}
.mega-post + .mega-post{margin-top:4px}
.mega-post:hover{background:rgba(255,255,255,.05)}
.mega-post img{width:64px;height:64px;object-fit:cover;border-radius:12px;flex:0 0 auto;background:var(--grad-soft)}
.mega-post span{display:block}
.mp-title{font-size:14px;line-height:1.5;color:#EDE9FF;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mp-time{font-size:12.5px;color:var(--text-2);margin-top:6px}
.mega-cover{
  position:relative;border-radius:20px;overflow:hidden;background:var(--ink-700);
  box-shadow:inset 0 0 0 1px var(--line-strong);display:flex;flex-direction:column;
}
.mega-cover img{height:132px;width:100%;object-fit:cover}
.mc-body{padding:14px 16px 18px}
.mc-body strong{display:block;font-size:14px;line-height:1.55;font-weight:600;margin-bottom:10px}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;display:flex;align-items:center;gap:12px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.fab-round{
  width:48px;height:48px;border-radius:999px;display:grid;place-items:center;
  background:var(--ink-700);box-shadow:inset 0 0 0 1px var(--line-strong),var(--shadow-dark);color:var(--accent-cyan);
  font-size:13px;font-weight:700;
}
.fab-round:hover{background:rgba(47,214,192,.18);color:#fff}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:56px 0 72px;overflow:hidden;
  background:
    radial-gradient(circle at 18% 24%,rgba(138,77,255,.30) 0%,transparent 42%),
    radial-gradient(circle at 82% 12%,rgba(47,214,192,.22) 0%,transparent 46%),
    linear-gradient(180deg,rgba(11,9,24,.86),rgba(11,9,24,.96)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:46px 46px;opacity:.18;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:22px;flex-wrap:wrap}
.crumbs a:hover{color:var(--accent-cyan)}
.crumbs .sep{color:rgba(255,255,255,.28)}
.crumbs .cur{color:#fff;font-weight:600}
.hero-inner{max-width:760px}
.page-hero h1{
  font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.5px;color:#fff;
}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.75;color:var(--text-2);max-width:620px}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-chips{margin-top:32px;display:flex;gap:10px;flex-wrap:wrap}
.hero-chips .badge{height:32px;padding:0 16px;font-size:13px}
.hero-media{
  margin-top:52px;border-radius:var(--r-lg);overflow:hidden;position:relative;
  box-shadow:var(--shadow-dark);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.55;pointer-events:none;
}
.hero-media img{width:100%;height:clamp(220px,32vw,400px);object-fit:cover}

/* ---------- 渐变 CTA 条 ---------- */
.grad-band{background:var(--grad);color:#0B0918}
.grad-band .band-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;padding:34px 0;flex-wrap:wrap;
}
.grad-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:#0B0918}
.grad-band p{margin-top:6px;font-size:14.5px;color:rgba(11,9,24,.75);max-width:640px}
.grad-band .btn-light{box-shadow:0 12px 28px rgba(11,9,24,.28)}

/* ---------- 参数表区块 ---------- */
.spec-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:40px;align-items:start}
.spec-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-700);
  box-shadow:var(--shadow-dark);
}
.spec-media img{width:100%;height:100%;min-height:340px;object-fit:cover}
.media-tag{
  position:absolute;left:18px;top:18px;display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;background:rgba(11,9,24,.72);font-size:13px;font-weight:600;
  box-shadow:inset 0 0 0 1px var(--line-strong);color:#EDE9FF;
}
.media-note{
  position:absolute;left:18px;right:18px;bottom:18px;padding:16px 18px;border-radius:18px;
  background:rgba(11,9,24,.72);backdrop-filter:blur(6px);font-size:13.5px;color:#CFC9EC;
  box-shadow:inset 0 0 0 1px var(--line-strong);
}
.spec-panel{
  background:var(--ink-700);border-radius:var(--r-lg);padding:10px 28px 20px;
  box-shadow:inset 0 0 0 1px var(--line),var(--shadow-dark);
}
.spec-row{display:grid;grid-template-columns:112px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.spec-row:last-child{border-bottom:0}
.spec-key{font-size:14px;color:var(--text-2)}
.spec-val{font-size:15.5px;color:#F1EEFF;line-height:1.7}
.spec-val strong{color:var(--accent-gold);font-weight:600}
.spec-val .subline{display:block;margin-top:4px;font-size:13px;color:var(--text-2)}

/* ---------- 场馆卡 2×2 ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.venue-card{
  background:var(--ink-700);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:inset 0 0 0 1px var(--line),var(--shadow-dark);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  display:flex;flex-direction:column;
}
.venue-card:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px rgba(47,214,192,.36),var(--shadow-dark)}
.venue-card .thumb{position:relative;overflow:hidden}
.venue-card img{width:100%;height:220px;object-fit:cover;transition:transform .5s var(--ease)}
.venue-card:hover img{transform:scale(1.04)}
.venue-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:14px;flex:1}
.venue-body h3{font-size:20px;line-height:1.4}
.venue-body p{font-size:14.5px;color:var(--text-2)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.venue-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:6px}
.price-note{font-size:13px;color:var(--text-2)}
.price-note b{color:var(--accent-gold);font-size:17px;font-variant-numeric:tabular-nums}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:44px 0}
.stat-item{display:flex;flex-direction:column;gap:6px}
.stat-num{
  font-size:34px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px}
.stat-label{font-size:13.5px;color:var(--text-2)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;padding:28px 22px 26px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);box-shadow:inset 0 0 0 1px var(--line);
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.step:hover{transform:translateY(-4px);background:rgba(138,77,255,.10);box-shadow:inset 0 0 0 1px rgba(138,77,255,.4)}
.step-num{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  background:rgba(47,214,192,.14);color:var(--accent-cyan);font-weight:700;font-size:15px;
  box-shadow:inset 0 0 0 1px rgba(47,214,192,.42);margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.72}

/* ---------- FAQ（浅色） ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{
  background:#fff;border-radius:18px;box-shadow:inset 0 0 0 1px var(--paper-line);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .25s var(--ease);
}
.faq-item:has(.faq-q[aria-expanded="true"]){box-shadow:inset 0 0 0 1px rgba(91,61,245,.35),var(--shadow-light)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:60px;padding:16px 22px 16px 26px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:16px;font-weight:600;color:var(--dark-1);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:transparent;
  transition:background .25s var(--ease);
}
.faq-q[aria-expanded="true"]::before{background:var(--grad)}
.faq-q[aria-expanded="true"]{color:var(--brand-600)}
.faq-ico{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .25s var(--ease);
}
.faq-ico::before{left:0;top:7px;width:16px;height:2px}
.faq-ico::after{left:7px;top:0;width:2px;height:16px}
.faq-q[aria-expanded="true"] .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-a{padding:0 22px 22px 26px;font-size:15px;line-height:1.85;color:var(--dark-2)}
.faq-a .inner{background:var(--paper);border-radius:16px;padding:18px 20px}

/* ---------- 联系区 ---------- */
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:stretch}
.form-card{
  background:var(--ink-700);border-radius:var(--r-lg);padding:32px;
  box-shadow:inset 0 0 0 1px var(--line),var(--shadow-dark);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-sm);border:1px solid var(--line-strong);
  background:rgba(255,255,255,.06);color:#fff;padding:13px 15px;font-size:15px;font-family:inherit;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field textarea{min-height:112px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(169,163,201,.7)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent-cyan);box-shadow:0 0 0 3px rgba(47,214,192,.18);
}
.field select option{color:#111}
.form-tip{font-size:13px;color:var(--text-2);margin-top:14px}
.side-stack{display:flex;flex-direction:column;gap:24px}
.info-card{
  background:var(--ink-800);border-radius:var(--r-lg);padding:26px;
  box-shadow:inset 0 0 0 1px var(--line),var(--shadow-dark);
}
.info-card h3{font-size:18px;margin-bottom:16px}
.info-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text-2)}
.info-list li:last-child{border-bottom:0}
.info-list b{color:#EDE9FF;font-weight:600;min-width:70px;display:inline-block}
.map-card{
  position:relative;flex:1;min-height:190px;border-radius:24px;overflow:hidden;
  background:
    radial-gradient(circle at 30% 30%,rgba(91,61,245,.35),transparent 55%),
    radial-gradient(circle at 72% 68%,rgba(47,214,192,.28),transparent 55%),
    var(--ink-700);
  box-shadow:inset 0 0 0 1px var(--line-strong);
  display:grid;place-items:center;text-align:center;padding:24px;
}
.map-card::after{
  content:"";position:absolute;inset:0;border-radius:24px;padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.5;pointer-events:none;
}
.map-card p{font-size:14px;color:#D9D4F5;position:relative;z-index:2}
.map-card strong{display:block;font-size:17px;color:#fff;margin-bottom:8px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.f-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:320px;line-height:1.8}
.f-brand .tag-row{margin-top:18px}
.f-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.4px}
.f-col li + li{margin-top:11px}
.f-col a{font-size:14px;color:var(--text-2);display:inline-block}
.f-col a:hover{color:var(--accent-cyan);transform:translateX(2px)}
.f-contact li{font-size:14px;color:var(--text-2);margin-bottom:12px;line-height:1.7}
.f-contact b{color:#EDE9FF;font-weight:600}
.qr{
  width:92px;height:92px;border-radius:16px;margin-top:6px;
  background:
    linear-gradient(var(--ink-800),var(--ink-800)) padding-box,
    var(--grad) border-box;
  border:2px solid transparent;display:grid;place-items:center;font-size:11.5px;color:var(--text-2);text-align:center;
  line-height:1.5;
}
.copyright{
  border-top:1px solid var(--line);padding:22px 0 26px;font-size:13px;color:var(--text-2);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- Offcanvas 移动端 ---------- */
.offcanvas{background:var(--ink-800);color:var(--text-1);border-left:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px}
.offcanvas-body{padding:18px 22px 28px;display:flex;flex-direction:column}
.oc-btn-close{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.06);border:0;color:#fff;
  font-size:18px;line-height:1;cursor:pointer;
}
.oc-nav li{border-bottom:1px solid var(--line)}
.oc-nav a{display:block;padding:15px 2px;font-size:16px;color:#D9D4F5}
.oc-nav a.active{color:var(--accent-cyan);font-weight:600}
.oc-contact{margin-top:auto;padding-top:24px}
.oc-contact p{font-size:13.5px;color:var(--text-2);margin-bottom:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .mega{right:-40px;width:820px}
  .spec-grid{gap:28px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-main,.header-actions .btn-gold{display:none}
  .burger{display:grid}
  .header-actions{display:flex}
  .spec-grid{grid-template-columns:1fr}
  .spec-media img{min-height:280px}
  .stat-grid{grid-template-columns:repeat(2,1fr);padding:36px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero-media{margin-top:40px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .page-hero{padding:34px 0 52px}
  .page-hero h1{font-size:clamp(28px,8vw,34px)}
  .hero-lead{font-size:15.5px}
  .hero-actions .btn-pill{flex:1 1 auto;justify-content:center}
  .venue-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .spec-panel{padding:6px 20px 14px}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:16px 0}
  .spec-key{font-size:13px;letter-spacing:.4px;text-transform:none;color:var(--accent-cyan)}
  .stat-grid{grid-template-columns:1fr 1fr;gap:20px}
  .step{padding:22px 18px}
  .grad-band .band-inner{padding:26px 0}
  .grad-band .btn-pill{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .float-cta{
    left:0;right:0;bottom:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(11,9,24,.92);backdrop-filter:blur(10px);border-top:1px solid var(--line);
    transform:translateY(0);gap:10px;
  }
  .float-cta .btn-pill{flex:1;justify-content:center;height:46px}
  .fab-round{width:46px;height:46px;flex:0 0 auto}
  .site-footer{padding-bottom:70px}
  .copyright{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-num{font-size:28px}
  .hero-chips .badge{height:30px;font-size:12.5px}
}

/* roulang page: category4 */
:root{
  --ink-900:#0B0918;
  --ink-800:#150F2E;
  --ink-700:#1F1840;
  --brand-600:#5B3DF5;
  --brand-500:#8A4DFF;
  --accent-gold:#FFB020;
  --accent-cyan:#2FD6C0;
  --paper:#F7F5FF;
  --paper-line:#E6E1F7;
  --txt-1:#EDE9FF;
  --txt-2:#A9A3C9;
  --dark-1:#1A1630;
  --dark-2:#5C5478;
  --grad:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 45%,#2FD6C0 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --shadow-dark:0 20px 50px rgba(0,0,0,.35);
  --shadow-light:0 10px 30px rgba(27,20,54,.08);
  --tr:.25s cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--txt-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:var(--tr);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.2px;}
h1{font-size:clamp(30px,5vw,52px);line-height:1.15;}
h2{font-size:clamp(24px,3.2vw,36px);font-weight:650;}
h3{font-size:20px;line-height:1.4;font-weight:650;}
h4{font-size:17px;font-weight:650;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{max-width:var(--maxw);padding-left:24px;padding-right:24px;}
.section{padding:96px 0;position:relative;}
.section.alt{background:var(--ink-800);}
.section.paper{background:var(--paper);color:var(--dark-1);}
.section.paper h2,.section.paper h3{color:var(--dark-1);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head p{color:var(--txt-2);font-size:16.5px;}
.section.paper .section-head p{color:var(--dark-2);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(47,214,192,.45);
  color:var(--accent-cyan);font-size:12.5px;font-weight:600;
  letter-spacing:.4px;background:rgba(47,214,192,.08);
}
.section.paper .eyebrow{border-color:rgba(91,61,245,.35);color:var(--brand-600);background:rgba(91,61,245,.08);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,9,24,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad);opacity:.55;
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:.2px;color:#fff;}
.logo-mark{
  width:26px;height:26px;flex:none;background:var(--grad);
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.logo-text em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-family:Montserrat,Inter,system-ui,sans-serif;letter-spacing:.5px;
}
.nav-main{display:flex;align-items:center;gap:2px;}
.nav-main > li{position:relative;}
.nav-main > li > a{
  display:block;padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--txt-2);position:relative;white-space:nowrap;
}
.nav-main > li > a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-main > li > a.active{color:#fff;font-weight:650;}
.nav-main > li > a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;
  border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);
  color:var(--txt-2);cursor:pointer;
}
.icon-btn:hover{color:#fff;border-color:var(--accent-cyan);}
.btn-gold{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;
  border-radius:var(--r-pill);background:var(--accent-gold);color:#1A1630;
  font-size:14px;font-weight:650;border:0;white-space:nowrap;
}
.btn-gold:hover{filter:brightness(1.06);transform:translateY(-2px);color:#1A1630;}
.burger{display:none;}

/* ---------- Mega Menu ---------- */
.has-mega .mega{
  position:absolute;top:calc(100% + 14px);right:0;width:940px;max-width:calc(100vw - 48px);
  display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:22px;
  padding:24px;border-radius:var(--r-lg);
  border:1px solid transparent;
  background:linear-gradient(var(--ink-800),var(--ink-800)) padding-box,var(--grad) border-box;
  box-shadow:var(--shadow-dark);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0);}
.mega h4{
  font-size:12.5px;letter-spacing:.8px;color:var(--txt-2);font-weight:600;
  margin-bottom:12px;text-transform:none;
}
.mega-list li + li{margin-top:2px;}
.mega-list a{
  display:block;padding:7px 0;font-size:14.5px;color:var(--txt-1);opacity:.85;
}
.mega-list a:hover{color:var(--accent-cyan);opacity:1;transform:translateX(2px);}
.mega-post{display:flex;gap:12px;align-items:center;padding:8px;border-radius:16px;}
.mega-post:hover{background:rgba(255,255,255,.05);}
.mega-post img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:none;background:var(--ink-700);}
.mega-post .mp-title{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;line-height:1.5;color:var(--txt-1);
}
.mega-post .mp-time{display:block;font-size:12.5px;color:var(--accent-cyan);margin-top:4px;}
.mega-cover{position:relative;border-radius:20px;overflow:hidden;min-height:200px;}
.mega-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.mega-cover .mc-body{
  position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;
  gap:8px;padding:18px;background:linear-gradient(180deg,rgba(11,9,24,.1) 0%,rgba(11,9,24,.88) 100%);
}
.mega-cover strong{font-size:15px;line-height:1.5;font-weight:650;}

/* ---------- 链接箭头 ---------- */
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--accent-cyan);
}
.link-arrow span{transition:transform var(--tr);}
.link-arrow:hover span{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--grad);color:#0B0918;font-size:15px;font-weight:650;border:0;
}
.btn-grad:hover{filter:brightness(1.07);transform:translateY(-2px);color:#0B0918;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.26);color:var(--txt-1);background:transparent;
  font-size:15px;font-weight:600;
}
.btn-ghost:hover{border-color:var(--accent-cyan);color:#fff;transform:translateY(-2px);}
.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--ink-900);color:#fff;font-size:15px;font-weight:650;border:0;
}
.btn-dark:hover{background:#1A1630;transform:translateY(-2px);color:#fff;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:40px 0 0;
  background:
    radial-gradient(circle at 12% 14%, rgba(138,77,255,.34), transparent 44%),
    radial-gradient(circle at 88% 6%, rgba(47,214,192,.20), transparent 42%),
    linear-gradient(180deg,#0B0918 0%,#150F2E 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.30) 1px, transparent 1px);
  background-size:28px 28px;opacity:.28;
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--txt-2);margin-bottom:26px;}
.crumbs a:hover{color:var(--accent-cyan);}
.crumbs .sep{opacity:.6;}
.crumbs .cur{color:var(--txt-1);font-weight:650;}
.hero-grid{
  display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;
  padding-bottom:56px;
}
.hero-copy .eyebrow{margin-bottom:18px;}
.hero-copy h1{margin-bottom:18px;}
.hero-copy h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-copy .lead{font-size:17px;color:var(--txt-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-fig{
  margin:0;padding:1px;border-radius:var(--r-lg);background:var(--grad);
  box-shadow:var(--shadow-dark);
}
.hero-fig img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:27px;
  background:linear-gradient(120deg,#5B3DF5,#2FD6C0);
}

/* ---------- 顶部渐变 CTA 条 ---------- */
.strip-cta{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  padding:22px 30px;border-radius:24px;
  background:linear-gradient(120deg,rgba(91,61,245,.95) 0%,rgba(138,77,255,.88) 48%,rgba(47,214,192,.92) 100%);
  color:#0B0918;transform:translateY(50%);
}
.strip-cta .sc-text{font-size:18px;font-weight:650;line-height:1.5;}
.strip-cta .sc-text small{display:block;font-size:13.5px;font-weight:500;opacity:.78;margin-top:2px;}
.strip-space{height:76px;}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.filter-chip{
  display:inline-flex;align-items:center;padding:9px 18px;border-radius:var(--r-pill);
  font-size:14px;color:var(--txt-2);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
}
.filter-chip:hover{color:#fff;border-color:rgba(255,255,255,.34);}
.filter-chip.is-on{
  background:var(--grad);color:#0B0918;font-weight:650;border-color:transparent;
}

/* ---------- 产品网格 ---------- */
.gear-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.gear-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.08);background:var(--ink-700);
  transition:var(--tr);
}
.gear-card:hover{
  transform:translateY(-4px);
  border-color:transparent;
  background:linear-gradient(var(--ink-700),var(--ink-700)) padding-box,var(--grad) border-box;
  box-shadow:var(--shadow-dark);
}
.gc-media{display:block;overflow:hidden;background:linear-gradient(120deg,#5B3DF5,#2FD6C0);}
.gc-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.gear-card:hover .gc-media img{transform:scale(1.04);}
.gc-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.gc-body h3{font-size:17.5px;line-height:1.45;}
.spec-tags{display:flex;flex-wrap:wrap;gap:8px;}
.spec-tags li{
  padding:4px 11px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  color:var(--accent-cyan);border:1px solid rgba(47,214,192,.4);background:rgba(47,214,192,.08);
}
.gc-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid rgba(255,255,255,.08);flex-wrap:wrap;
}
.price{color:var(--accent-gold);font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;}
.price small{font-size:12.5px;font-weight:500;color:var(--txt-2);margin-left:2px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-md);
  background:var(--ink-800);border:1px solid rgba(255,255,255,.08);transition:var(--tr);
}
.step:hover{border-color:rgba(47,214,192,.5);transform:translateY(-3px);}
.step-num{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  color:var(--accent-cyan);border:1px solid rgba(47,214,192,.5);background:rgba(47,214,192,.10);
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--txt-2);}

/* ---------- 参数表 ---------- */
.table-block{margin-top:64px;}
.table-block h3{font-size:19px;margin-bottom:6px;}
.table-block .tb-note{color:var(--txt-2);font-size:14.5px;margin-bottom:20px;}
.table-wrap{overflow-x:auto;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.08);}
.spec-table{width:100%;border-collapse:collapse;font-size:15px;min-width:620px;background:var(--ink-800);}
.spec-table th{
  text-align:left;padding:16px 22px;font-weight:650;color:#fff;white-space:nowrap;
  background:linear-gradient(120deg,rgba(91,61,245,.38),rgba(47,214,192,.20));
}
.spec-table td{padding:16px 22px;color:var(--txt-2);border-top:1px solid rgba(255,255,255,.08);}
.spec-table tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.spec-table td:first-child{color:var(--txt-1);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;margin:0 auto;}
.faq-item{
  border-radius:16px;background:#fff;border:1px solid var(--paper-line);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-light);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;background:transparent;border:0;text-align:left;
  font-size:17px;font-weight:650;color:var(--dark-1);position:relative;cursor:pointer;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:transparent;transition:var(--tr);
}
.faq-q[aria-expanded="true"]::before{background:var(--grad);}
.faq-ico{
  width:11px;height:11px;flex:none;margin-right:6px;
  border-right:2px solid var(--brand-600);border-bottom:2px solid var(--brand-600);
  transform:rotate(45deg);transition:var(--tr);
}
.faq-q[aria-expanded="true"] .faq-ico{transform:rotate(-135deg);}
.faq-a{padding:0 22px 20px;}
.faq-a > div{
  background:#F1EDFF;border-radius:16px;padding:18px 20px;
  font-size:15.5px;line-height:1.85;color:var(--dark-2);
}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;
  padding:48px;border-radius:32px;
  background:linear-gradient(120deg,#5B3DF5 0%,#8A4DFF 48%,#2FD6C0 100%);
  color:#0B0918;box-shadow:var(--shadow-dark);
}
.cta-band h2{color:#0B0918;margin-bottom:14px;}
.cta-band p{color:rgba(11,9,24,.78);font-size:16px;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:18px;}
.cta-points li{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#0B0918;
}
.cta-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:#0B0918;flex:none;opacity:.75;
}
.cta-form{
  background:#fff;border-radius:24px;padding:28px;
  box-shadow:0 18px 40px rgba(27,20,54,.18);
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--dark-1);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-sm);border:1px solid var(--paper-line);
  background:#FBFAFF;padding:12px 14px;font-size:15px;color:var(--dark-1);
  transition:var(--tr);font-family:inherit;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(47,214,192,.32);
}
.field .hint{font-size:12.5px;color:var(--dark-2);margin-top:6px;}
.cta-form .btn-dark{width:100%;}
.form-note{font-size:12.5px;color:var(--dark-2);margin-top:12px;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-800);border-top:1px solid rgba(255,255,255,.08);
  padding:72px 0 0;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.25fr;gap:40px;}
.foot-brand .logo{margin-bottom:16px;}
.foot-brand p{color:var(--txt-2);font-size:14.5px;max-width:340px;}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.foot-tags li{
  padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;
  border:1px solid rgba(255,255,255,.16);color:var(--txt-2);
}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.3px;}
.foot-links li + li{margin-top:10px;}
.foot-links a{font-size:14.5px;color:var(--txt-2);display:inline-block;}
.foot-links a:hover{color:var(--accent-cyan);transform:translateX(2px);}
.foot-contact li{display:flex;gap:10px;font-size:14.5px;color:var(--txt-2);margin-bottom:12px;}
.foot-contact i{color:var(--accent-cyan);font-style:normal;flex:none;}
.qr{
  margin-top:16px;width:104px;height:104px;border-radius:16px;padding:1px;
  background:var(--grad);display:grid;place-items:center;
}
.qr span{
  width:100%;height:100%;border-radius:15px;background:var(--ink-900);
  display:grid;place-items:center;text-align:center;font-size:12.5px;
  color:var(--txt-2);line-height:1.5;padding:10px;
}
.foot-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--txt-2);
}
.foot-bottom a:hover{color:var(--accent-cyan);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:flex;align-items:center;gap:12px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:var(--tr);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.fc-main{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;
  border-radius:var(--r-pill);background:var(--grad);color:#0B0918;
  font-size:15px;font-weight:650;box-shadow:var(--shadow-dark);
}
.fc-main:hover{filter:brightness(1.07);transform:translateY(-2px);color:#0B0918;}
.fc-tel{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-gold);color:#1A1630;font-size:17px;
  box-shadow:var(--shadow-dark);
}
.fc-tel:hover{filter:brightness(1.06);transform:translateY(-2px);}

/* ---------- 抽屉 ---------- */
.drawer{background:var(--ink-800);color:var(--txt-1);border-left:1px solid rgba(255,255,255,.1);width:320px;}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 22px;}
.drawer .offcanvas-body{padding:18px 22px 24px;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.6);}
.drawer-nav li + li{margin-top:4px;}
.drawer-nav a{
  display:block;padding:13px 4px;font-size:16px;color:var(--txt-1);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.drawer-nav a.active{color:var(--accent-cyan);font-weight:650;}
.drawer-sub{margin-top:10px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);}
.drawer-sub h5{font-size:12.5px;color:var(--txt-2);font-weight:600;letter-spacing:.6px;margin-bottom:10px;}
.drawer-sub a{display:block;padding:9px 0;font-size:14.5px;color:var(--txt-2);}
.drawer-sub a:hover{color:var(--accent-cyan);}
.drawer-cta{position:sticky;bottom:0;padding-top:20px;margin-top:20px;background:var(--ink-800);}
.drawer-cta .btn-grad{width:100%;}

/* ---------- 空态 ---------- */
.empty-card{
  text-align:center;padding:56px 24px;border-radius:var(--r-lg);
  border:1px dashed rgba(255,255,255,.18);background:rgba(255,255,255,.02);
}
.empty-card .star{
  width:34px;height:34px;margin:0 auto 16px;background:var(--grad);
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.empty-card p{color:var(--txt-2);margin-bottom:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:1040px;}
  .gear-grid{grid-template-columns:repeat(3,1fr);}
  .mega{width:820px;}
}
@media (max-width:991.98px){
  .nav-main,.header-actions .icon-btn{display:none;}
  .burger{display:grid;}
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding-bottom:44px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .gear-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .strip-cta{transform:none;margin-top:28px;}
  .strip-space{display:none;}
}
@media (max-width:767.98px){
  body{padding-bottom:64px;}
  .section{padding:48px 0;}
  .header-inner{height:64px;}
  .logo{font-size:18px;}
  .header-actions .btn-gold{height:38px;padding:0 14px;font-size:13px;}
  h1{font-size:clamp(28px,8vw,34px);}
  .hero-copy .lead{font-size:16px;}
  .gear-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:26px 20px;border-radius:24px;}
  .cta-form{padding:22px;border-radius:20px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .strip-cta{border-radius:20px;padding:20px 22px;}
  .float-cta{
    left:0;right:0;bottom:0;gap:10px;padding:8px 12px calc(8px + env(safe-area-inset-bottom));
    background:rgba(11,9,24,.97);border-top:1px solid rgba(255,255,255,.1);
  }
  .float-cta .fc-main{flex:1;justify-content:center;}
  .table-wrap{border:0;}
  .spec-table{min-width:0;}
  .spec-table thead{display:none;}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%;}
  .spec-table tr{
    border:1px solid rgba(255,255,255,.08);border-radius:16px;
    margin-bottom:12px;background:var(--ink-800);overflow:hidden;
  }
  .spec-table td{border-top:0;padding:12px 18px;}
  .spec-table td:first-child{
    background:linear-gradient(120deg,rgba(91,61,245,.32),rgba(47,214,192,.16));padding-top:14px;
  }
}
@media (max-width:519.98px){
  .container{padding-left:18px;padding-right:18px;}
  .gc-body{padding:18px;}
  .faq-q{font-size:16px;padding:14px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}