/* roulang page: index */
:root{
  --bg-0:#05090f;
  --bg-1:#0a1120;
  --bg-2:#0f1a2c;
  --glass:rgba(19,33,56,.62);
  --glass-2:rgba(11,21,37,.82);
  --line:rgba(94,160,255,.16);
  --line-2:rgba(46,230,192,.32);
  --primary:#2f7cff;
  --primary-2:#5aa2ff;
  --accent:#2ee6c0;
  --accent-2:#8df5e2;
  --signal:#f2b23c;
  --danger:#ff5f6d;
  --text:#e9f2ff;
  --text-2:#bed0e8;
  --muted:#8397b3;
  --radius-s:12px;
  --radius:18px;
  --radius-l:26px;
  --shadow:0 28px 70px -30px rgba(0,0,0,.9);
  --glow-btn:0 12px 34px -12px rgba(46,230,192,.62), 0 0 0 1px rgba(46,230,192,.34) inset;
  --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
::selection{background:rgba(46,230,192,.3);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:linear-gradient(180deg,#05090f 0%,#08111e 45%,#05090f 100%)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;font-weight:700;
  color:var(--accent);
  text-transform:uppercase;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-2);
  background:rgba(46,230,192,.06);
}
.eyebrow i{font-size:11px}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.15rem);margin:18px 0 16px}
.sec-head p{color:var(--muted);font-size:16px}
.grad-text{background:linear-gradient(100deg,var(--primary-2) 0%,var(--accent) 78%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(100deg,#2f7cff 0%,#22d9b6 100%);
  color:#04121a;
  box-shadow:var(--glow-btn);
}
.btn-primary:hover{color:#04121a;transform:translateY(-2px);box-shadow:0 18px 46px -14px rgba(46,230,192,.78),0 0 0 1px rgba(46,230,192,.5) inset}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px -8px rgba(46,230,192,.5) inset}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--line-2);background:rgba(46,230,192,.08);color:var(--accent-2);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--accent);border-bottom:1px solid transparent;padding-bottom:2px}
.link-more:hover{border-bottom-color:var(--accent);color:var(--accent-2)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,12,22,.72);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:74px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:-.01em;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,124,255,.9),rgba(46,230,192,.85));
  color:#04121a;font-size:16px;
  box-shadow:0 10px 26px -12px rgba(46,230,192,.8);
}
.brand-text{white-space:nowrap}
.brand-text b{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);font-weight:500;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
  box-shadow:0 0 12px rgba(46,230,192,.9);
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;width:42px;height:42px;cursor:pointer}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:104px 0 92px;
  background:
    linear-gradient(180deg,rgba(5,9,15,.86) 0%,rgba(5,9,15,.9) 52%,rgba(5,9,15,.99) 100%),
    url(/assets/images/backpic/back-1.png) center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(94,160,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(94,160,255,.09) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 80% at 20% 10%,#000 10%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 80% at 20% 10%,#000 10%,transparent 72%);
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-160px;top:-200px;pointer-events:none;
  background:radial-gradient(circle,rgba(46,230,192,.22) 0%,transparent 66%);
  filter:blur(20px);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2rem,4vw,3.35rem);margin:22px 0 22px;letter-spacing:-.02em}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.hero-meta div{font-size:13px;color:var(--muted)}
.hero-meta strong{display:block;font-size:20px;color:var(--text);font-weight:800;margin-bottom:2px}

/* ---------- glass ---------- */
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(140deg,rgba(255,255,255,.08),transparent 42%);
}
.verify-card{padding:26px}
.verify-head{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--text);position:relative;z-index:2}
.dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(46,230,192,.16);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(46,230,192,.16)}50%{box-shadow:0 0 0 9px rgba(46,230,192,.04)}}
.verify-chip{margin-left:auto;font-size:12px;font-weight:700;color:var(--signal);border:1px solid rgba(242,178,60,.36);background:rgba(242,178,60,.09);padding:3px 10px;border-radius:999px}
.verify-steps{margin:22px 0 0;position:relative;z-index:2}
.verify-steps li{display:flex;align-items:center;gap:12px;padding:11px 0;font-size:15px;color:var(--muted);border-bottom:1px dashed rgba(94,160,255,.12)}
.verify-steps li:last-child{border-bottom:0}
.verify-steps li em{margin-left:auto;font-style:normal;font-size:12.5px;color:var(--muted)}
.vnode{width:26px;height:26px;border-radius:9px;display:grid;place-items:center;font-size:11px;flex-shrink:0;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted)}
.verify-steps li.done{color:var(--text-2)}
.verify-steps li.done .vnode{background:rgba(46,230,192,.16);border-color:rgba(46,230,192,.4);color:var(--accent)}
.verify-steps li.active{color:var(--text)}
.verify-steps li.active .vnode{background:rgba(47,124,255,.2);border-color:rgba(47,124,255,.55);color:#9dc4ff}
.verify-steps li.active em{color:var(--accent)}
.verify-progress{height:6px;border-radius:999px;background:rgba(255,255,255,.06);margin:20px 0 18px;overflow:hidden;position:relative;z-index:2}
.verify-progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 0 18px rgba(46,230,192,.6)}
.verify-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;position:relative;z-index:2}
.verify-meta div{background:rgba(6,14,26,.6);border:1px solid var(--line);border-radius:14px;padding:12px}
.verify-meta span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.verify-meta strong{font-size:14px;font-weight:700}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.pain-card{
  background:linear-gradient(160deg,rgba(19,33,56,.66),rgba(10,18,32,.72));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.pain-card:nth-child(2){margin-top:34px}
.pain-card:nth-child(4){margin-top:34px}
.pain-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 24px 50px -28px rgba(46,230,192,.5)}
.pain-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:17px;
  background:rgba(47,124,255,.14);border:1px solid rgba(47,124,255,.32);color:#9dc4ff;margin-bottom:18px;
}
.pain-card:nth-child(even) .pain-icon{background:rgba(242,178,60,.12);border-color:rgba(242,178,60,.3);color:var(--signal)}
.pain-card h3{font-size:18px;margin-bottom:10px}
.pain-card p{color:var(--muted);font-size:15px}

/* ---------- solution timeline ---------- */
.solution{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.steps{position:relative;padding-left:6px}
.steps::before{content:"";position:absolute;left:22px;top:14px;bottom:14px;width:1px;background:linear-gradient(180deg,var(--accent),rgba(47,124,255,.25),transparent)}
.step{display:grid;grid-template-columns:46px 1fr;gap:20px;padding:0 0 30px}
.step:last-child{padding-bottom:0}
.step-no{
  width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04121a;
  background:linear-gradient(140deg,var(--primary-2),var(--accent));
  box-shadow:0 12px 28px -14px rgba(46,230,192,.8);
  position:relative;z-index:2;
}
.step-body{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;transition:border-color .3s ease,transform .3s ease}
.step-body:hover{border-color:var(--line-2);transform:translateX(4px)}
.step-body h3{font-size:18px;margin-bottom:8px}
.step-body p{color:var(--muted);font-size:15px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12.5px;color:var(--accent);border:1px solid var(--line-2);background:rgba(46,230,192,.07);padding:3px 11px;border-radius:999px}
.solution-visual{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.solution-visual img{width:100%;height:100%;min-height:380px;object-fit:cover}
.solution-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,15,.1),rgba(5,9,15,.82))}
.visual-note{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:2;
  background:rgba(6,14,26,.78);border:1px solid var(--line);border-radius:16px;padding:18px 20px;backdrop-filter:blur(12px);
}
.visual-note h4{font-size:15px;margin-bottom:6px}
.visual-note p{font-size:13.5px;color:var(--muted)}

/* ---------- metrics ---------- */
.metrics{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center}
.metric-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.metric{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  backdrop-filter:blur(12px);transition:transform .3s ease,border-color .3s ease;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-2)}
.metric strong{display:block;font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;letter-spacing:-.02em;background:linear-gradient(100deg,#8fc0ff,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:8px}
.metric p{font-size:13.5px;color:var(--text-2);margin-top:12px}
.metric-visual{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.metric-visual img{width:100%;height:340px;object-fit:cover}

/* ---------- testimonials ---------- */
.rail{display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:rgba(46,230,192,.35);border-radius:999px}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px}
.quote{
  flex:0 0 358px;scroll-snap-align:start;
  background:linear-gradient(165deg,rgba(19,33,56,.7),rgba(9,16,29,.82));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:border-color .3s ease,transform .3s ease;
}
.quote:hover{border-color:var(--line-2);transform:translateY(-4px)}
.quote:nth-child(2){margin-top:28px}
.quote:nth-child(4){margin-top:28px}
.quote-mark{font-size:26px;color:rgba(46,230,192,.55);margin-bottom:12px}
.quote p{font-size:15px;color:var(--text-2)}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(140deg,rgba(47,124,255,.6),rgba(46,230,192,.5));display:grid;place-items:center;font-size:14px;font-weight:800;color:#04121a;flex-shrink:0}
.quote-foot b{display:block;font-size:14px}
.quote-foot span{font-size:12.5px;color:var(--muted)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 28px 60px -32px rgba(46,230,192,.55)}
.news-card--lead{grid-column:span 2;grid-row:span 2}
.news-card--lead .news-thumb{height:300px}
.news-thumb{display:block;height:180px;background-size:cover;background-position:center;position:relative;overflow:hidden}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,9,15,.05),rgba(5,9,15,.68));transition:transform .4s ease}
.news-card:hover .news-thumb::after{transform:scale(1.04)}
.thumb-1{background-image:url(/assets/images/coverpic/cover-1.webp)}
.thumb-2{background-image:url(/assets/images/coverpic/cover-2.webp)}
.thumb-3{background-image:url(/assets/images/coverpic/cover-3.png)}
.thumb-4{background-image:url(/assets/images/coverpic/cover-4.png)}
.thumb-5{background-image:url(/assets/images/coverpic/cover-5.png)}
.thumb-6{background-image:url(/assets/images/coverpic/cover-6.webp)}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:12px}
.badge{align-self:flex-start;font-size:12px;font-weight:700;color:var(--accent);border:1px solid var(--line-2);background:rgba(46,230,192,.08);padding:3px 11px;border-radius:999px}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card--lead .news-body h3{font-size:21px}
.news-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-body p:empty{display:none}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line)}
.news-foot .arrow{color:var(--accent);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.empty-state{
  grid-column:1/-1;
  border:1px dashed var(--line);border-radius:var(--radius);
  padding:56px 24px;text-align:center;color:var(--muted);background:rgba(255,255,255,.02);
}
.empty-state i{font-size:26px;color:rgba(46,230,192,.6);display:block;margin-bottom:14px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:border-color .3s ease;
}
.faq-item[open]{border-color:var(--line-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 24px;font-size:16.5px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-plus{margin-left:auto;width:26px;height:26px;flex-shrink:0;position:relative;border-radius:8px;background:rgba(46,230,192,.1);border:1px solid var(--line-2)}
.faq-plus::before,.faq-plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--accent);transform:translate(-50%,-50%);transition:transform .3s ease,opacity .3s ease}
.faq-plus::before{width:12px;height:2px}
.faq-plus::after{width:2px;height:12px}
.faq-item[open] .faq-plus::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-answer{padding:0 24px 24px;color:var(--text-2);font-size:15px}
.faq-answer p+p{margin-top:12px}

/* ---------- cta form ---------- */
.cta-wrap{
  background:linear-gradient(160deg,rgba(19,33,56,.78),rgba(8,15,27,.9));
  border:1px solid var(--line);border-radius:28px;padding:52px;
  display:grid;grid-template-columns:1fr 1.05fr;gap:52px;
  backdrop-filter:blur(16px);box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.cta-wrap::after{content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-200px;background:radial-gradient(circle,rgba(47,124,255,.22),transparent 68%)}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(1.5rem,2.8vw,2rem);margin:18px 0 16px}
.cta-copy p{color:var(--muted);font-size:15.5px}
.cta-list{margin-top:26px;display:grid;gap:12px}
.cta-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.cta-list i{color:var(--accent);margin-top:6px;font-size:12px}
.form-card{position:relative;z-index:2;background:rgba(6,14,26,.6);border:1px solid var(--line);border-radius:var(--radius-l);padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:15px;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field textarea{min-height:104px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#5f7characters}
.field input::placeholder,.field textarea::placeholder{color:#5f7391}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(46,230,192,.06);
  box-shadow:0 0 0 4px rgba(46,230,192,.13);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ---------- footer ---------- */
.site-footer{background:#04080e;border-top:1px solid var(--line);padding:64px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:16px;margin-bottom:16px}
.foot-col h4{font-size:14px;letter-spacing:.06em;color:var(--text);margin-bottom:18px}
.foot-col p{font-size:14px;color:var(--muted);max-width:320px}
.foot-col ul{display:grid;gap:11px}
.foot-col a{font-size:14px;color:var(--muted)}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#66799a;
}

/* ---------- mobile tabs ---------- */
.mobile-tabs{display:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .section--tight{padding:56px 0}
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .hero{padding:72px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .solution{grid-template-columns:1fr;gap:36px}
  .metrics{grid-template-columns:1fr;gap:32px}
  .cta-wrap{grid-template-columns:1fr;gap:34px;padding:36px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-column:span 2;grid-row:auto}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  body{padding-bottom:82px}
  .mobile-tabs{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:120;
    background:rgba(6,12,22,.94);backdrop-filter:blur(18px);
    border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tabs a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
    height:64px;font-size:11.5px;color:var(--muted);font-weight:600;
  }
  .mobile-tabs a i{font-size:17px}
  .mobile-tabs a.active{color:var(--accent)}
  .mobile-tabs a.active i{filter:drop-shadow(0 0 8px rgba(46,230,192,.85))}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .hero{padding:56px 0 52px}
  .hero-actions .btn{width:100%}
  .pain-grid{grid-template-columns:1fr}
  .pain-card:nth-child(2),.pain-card:nth-child(4){margin-top:0}
  .metric-row{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:span 1}
  .news-card--lead .news-thumb{height:200px}
  .quote{flex:0 0 288px}
  .quote:nth-child(2),.quote:nth-child(4){margin-top:0}
  .cta-wrap{padding:26px 20px;border-radius:22px}
  .two-col{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .sec-head{margin-bottom:36px}
  .verify-meta{grid-template-columns:1fr}
  .metric-visual img{height:220px}
}
@media (max-width:479px){
  .brand-text{font-size:14.5px}
  .hero h1{font-size:1.75rem}
  .mobile-tabs a{font-size:10.5px}
}

/* roulang page: article */
:root{
  --bg-0:#05090f;
  --bg-1:#0a1220;
  --bg-2:#0e1a2c;
  --primary:#2f7cf6;
  --primary-2:#5aa2ff;
  --accent:#2ee6c5;
  --accent-soft:rgba(46,230,197,.12);
  --signal:#f3b23f;
  --danger:#e0576a;
  --text:#e8f0fb;
  --muted:#8fa1bd;
  --line:rgba(122,178,255,.14);
  --line-strong:rgba(46,230,197,.34);
  --glass:rgba(14,26,44,.66);
  --glass-2:rgba(9,16,28,.9);
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-1:0 18px 42px rgba(2,8,18,.55);
  --shadow-glow:0 12px 34px rgba(46,190,220,.28);
  --sp-section:96px;
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 420px at 10% -6%,rgba(47,124,246,.20),transparent 62%),
    radial-gradient(560px 400px at 94% 6%,rgba(46,230,197,.13),transparent 64%),
    linear-gradient(180deg,rgba(5,9,15,0) 40%,rgba(5,9,15,.9) 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(122,178,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(122,178,255,.05) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.38;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(46,230,197,.28);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0;position:relative;z-index:1}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.12em;color:var(--accent);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.05rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:var(--pill);
  font-size:15px;font-weight:700;cursor:pointer;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .26s ease,filter .22s ease,background-color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(118deg,var(--primary) 0%,#22c8c0 55%,var(--accent) 100%);
  color:#03161b;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 40px rgba(46,200,220,.42)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 4px 12px rgba(0,0,0,.35)}
.btn-glass{
  background:rgba(122,178,255,.08);
  border-color:rgba(122,178,255,.24);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-glass:hover{background:rgba(122,178,255,.15);border-color:var(--line-strong);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--accent);font-size:14px;font-weight:600;
  border-bottom:1px solid rgba(46,230,197,.35);padding-bottom:2px;
}
.link-more:hover{color:#7ff5dd;border-color:#7ff5dd}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,9,15,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:.3px}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  color:#03161b;font-size:16px;
  box-shadow:0 8px 22px rgba(46,190,220,.34);
}
.brand-text{color:var(--text)}
.brand-text b{color:var(--accent);font-weight:800}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;
  padding:9px 14px;border-radius:var(--pill);
  font-size:14.5px;color:var(--muted);font-weight:500;
}
.nav-links a:hover{color:var(--text);background:rgba(122,178,255,.09)}
.nav-links a.active{color:#c9fff2;background:var(--accent-soft)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 10px rgba(46,230,197,.9);
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(122,178,255,.09);border:1px solid var(--line);
  color:var(--text);font-size:16px;cursor:pointer;
}
.nav-toggle:hover{background:rgba(122,178,255,.16)}

/* ---------- 文章页头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;z-index:1;
  padding:66px 0 54px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(5,9,15,.84) 0%,rgba(5,9,15,.95) 100%),
    url('/assets/images/backpic/back-2.webp') center 30%/cover no-repeat;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(460px 260px at 82% 18%,rgba(46,230,197,.16),transparent 68%),
    radial-gradient(520px 300px at 6% 90%,rgba(47,124,246,.20),transparent 70%);
}
.article-hero .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{opacity:.45}
.crumb .now{color:#b9c9e2}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--pill);
  font-size:13px;font-weight:600;letter-spacing:.2px;
  background:var(--accent-soft);color:#9ff5df;border:1px solid var(--line-strong);
}
.chip i{font-size:11px}
.article-hero h1{
  font-size:clamp(1.6rem,3.5vw,2.55rem);
  max-width:940px;margin:18px 0 20px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:14px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center}
.article-meta i{color:var(--accent);margin-right:8px;font-size:13px}

/* ---------- 正文 ---------- */
.article-layout{padding:64px 0 24px;position:relative;z-index:1}
.article-wrap{max-width:820px;margin:0 auto}
.article-body{
  color:#d7e3f4;
  font-size:17px;
  line-height:1.85;
  word-break:break-word;
}
.article-body p{margin:0 0 1.2em}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(1.28rem,2vw,1.5rem);
  color:#f1f7ff;
  margin:2.2em 0 .85em;
  padding-left:15px;
  border-left:3px solid var(--accent);
  line-height:1.5;
}
.article-body h3{
  font-size:1.18rem;color:#eaf3ff;
  margin:1.8em 0 .6em;
}
.article-body h4{font-size:1.04rem;color:#e2ecfa;margin:1.5em 0 .5em}
.article-body a{color:var(--accent);border-bottom:1px dashed rgba(46,230,197,.45)}
.article-body a:hover{color:#8bf7e0}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.4em}
.article-body ul{list-style:none;padding-left:0}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:50%;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  box-shadow:0 0 8px rgba(46,230,197,.6);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.55em}
.article-body img{
  border-radius:16px;border:1px solid var(--line);
  margin:1.7em auto;box-shadow:var(--shadow-1);
}
.article-body blockquote{
  margin:1.7em 0;padding:16px 22px;
  background:rgba(47,124,246,.08);
  border-left:3px solid var(--primary);
  border-radius:0 14px 14px 0;
  color:#c6d8f0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.7em 0;
  font-size:15px;display:block;overflow-x:auto;
  border-radius:12px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;
}
.article-body th{background:rgba(122,178,255,.08);color:#eaf3ff;font-weight:700}
.article-body code{
  background:rgba(46,230,197,.11);color:#9ff5df;
  padding:2px 7px;border-radius:6px;font-size:.92em;
}
.article-body pre{
  background:#070f1c;border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;overflow-x:auto;margin:1.7em 0;font-size:14px;
}
.article-body pre code{background:none;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0}
.article-body strong{color:#f2f8ff}

.empty-state{
  text-align:center;padding:64px 26px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(12px);
}
.empty-state i{font-size:30px;color:var(--signal);margin-bottom:16px;display:block}
.empty-state h2{font-size:1.3rem;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- 相关推荐 ---------- */
.card-zone{padding:calc(var(--sp-section) * .8) 0 var(--sp-section)}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 20px 40px rgba(3,12,24,.6)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-cat{
  align-self:flex-start;
  font-size:12px;font-weight:600;letter-spacing:.3px;
  color:#9ff5df;background:var(--accent-soft);
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:4px 12px;margin-bottom:14px;
}
.post-card h3{font-size:1.06rem;line-height:1.55;margin-bottom:10px}
.post-card p{
  color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:#7286a3;border-top:1px solid var(--line);padding-top:14px;
}
.post-foot i{color:var(--accent)}
.back-row{margin-top:38px;display:flex;justify-content:center}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;
  padding:44px 46px;
  background:linear-gradient(135deg,rgba(47,124,246,.16),rgba(46,230,197,.09));
  border:1px solid var(--line-strong);
  border-radius:24px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,197,.28),transparent 68%);
  pointer-events:none;
}
.cta-card h2{font-size:clamp(1.35rem,2.2vw,1.85rem);margin-bottom:12px}
.cta-card p{color:#b7c7de;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-note{font-size:13px;color:#7f93b1;margin-top:14px}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px}
.cta-side-item{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:14px;
  background:rgba(5,12,22,.55);border:1px solid var(--line);
  font-size:14px;color:#c3d3ea;
}
.cta-side-item i{color:var(--accent);font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  background:#04080e;border-top:1px solid var(--line);
  padding:62px 0 26px;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;margin-bottom:14px}
.foot-col p{color:#7d90ad;font-size:14px;line-height:1.85;max-width:320px}
.foot-col h4{font-size:15px;color:#e6eefb;margin-bottom:16px}
.foot-col ul li{margin-bottom:9px}
.foot-col ul li a{color:#8397b4;font-size:14px}
.foot-col ul li a:hover{color:var(--accent)}
.foot-col ul li span{color:#8397b4;font-size:14px}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;color:#6b7c96;
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  grid-template-columns:repeat(5,1fr);
  height:64px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(5,9,15,.95);
  backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
}
.mobile-tabbar a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:#8296b3;padding-top:2px;
}
.mobile-tabbar a i{font-size:17px}
.mobile-tabbar a.active{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sp-section:72px}
  body{padding-bottom:78px}
  .nav-links{
    display:none;
    position:absolute;top:78px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;
    background:var(--glass-2);
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--shadow-1);
    backdrop-filter:blur(16px);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .mobile-tabbar{display:grid}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:36px 30px;gap:26px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:767px){
  :root{--sp-section:56px}
  .container{padding:0 18px}
  .brand{font-size:15.5px}
  .brand-mark{width:33px;height:33px;border-radius:10px;font-size:15px}
  .article-hero{padding:44px 0 38px}
  .article-layout{padding:44px 0 18px}
  .article-body{font-size:16.5px;line-height:1.85}
  .post-grid{grid-template-columns:1fr;gap:20px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .foot-col:first-child{grid-column:1 / -1}
  .foot-bottom{flex-direction:column;gap:6px}
  .back-row .btn{width:100%}
}
@media (max-width:479px){
  .btn{width:100%}
  .nav-right .btn{width:auto}
  .cta-actions{flex-direction:column}
  .cta-side-item{font-size:13px}
}

/* roulang page: category1 */
:root{
  --bg-0:#04080f;
  --bg-1:#081327;
  --bg-2:#0d1e38;
  --glass:rgba(16,32,56,.62);
  --glass-2:rgba(11,24,44,.82);
  --line:rgba(96,178,232,.16);
  --line-strong:rgba(96,214,235,.36);
  --primary:#2f74ff;
  --primary-deep:#1b4fd8;
  --accent:#26e3bb;
  --signal:#ffb457;
  --danger:#ff6273;
  --text:#e9f2ff;
  --muted:#8fa6c9;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 26px 64px -30px rgba(0,0,0,.92);
  --glow:0 18px 44px -20px rgba(38,227,187,.5);
  --gap:24px;
  --section:96px;
  --ease:.28s cubic-bezier(.22,.68,.34,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 82% -8%,rgba(38,227,187,.14),transparent 62%),
    radial-gradient(760px 480px at 6% 6%,rgba(47,116,255,.18),transparent 60%),
    var(--bg-0);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-sm)}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(38,227,187,.28)}

.container{width:min(1240px,92%);margin:0 auto}
.section{padding:var(--section) 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);background:rgba(38,227,187,.08);
  border:1px solid rgba(38,227,187,.24);
  padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.h2{font-size:clamp(1.5rem,2.4vw,2.15rem);margin-bottom:16px}
.h3{font-size:1.22rem;margin-bottom:10px}
.lead{color:var(--muted);max-width:760px;font-size:1.02rem}
.section-head{margin-bottom:44px;max-width:820px}
.hl{color:var(--accent)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(5,11,22,.76);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.04rem;letter-spacing:.3px}
.brand-text b{color:var(--accent);font-weight:800}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,116,255,.9),rgba(38,227,187,.85));
  color:#04131d;font-size:16px;
  box-shadow:0 10px 26px -12px rgba(38,227,187,.8);
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:.94rem;color:var(--muted);
}
.nav-links a:hover{color:var(--text);background:rgba(96,178,232,.08)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent);
  box-shadow:0 0 12px rgba(38,227,187,.9);
}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(96,178,232,.08);border:1px solid var(--line);
  color:var(--text);cursor:pointer;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--radius-pill);
  font-size:.96rem;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{padding:10px 18px;font-size:.88rem}
.btn-primary{
  color:#04131d;
  background:linear-gradient(120deg,var(--primary),var(--accent));
  box-shadow:0 16px 40px -18px rgba(38,227,187,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 52px -16px rgba(38,227,187,.95)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.35)}
.btn-ghost{
  background:rgba(16,32,56,.6);
  border-color:var(--line-strong);
  color:var(--text);
}
.btn-ghost:hover{background:rgba(38,227,187,.1);border-color:rgba(38,227,187,.55);transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:7px;
  color:var(--accent);font-weight:700;font-size:.92rem;
  border-bottom:1px solid rgba(38,227,187,.45);padding-bottom:2px;
}
.btn-text:hover{border-color:var(--accent);gap:11px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- 内页 Hero ---------- */
.hero-page{
  position:relative;overflow:hidden;
  padding:150px 0 78px;
  background-image:linear-gradient(rgba(4,8,15,.86),rgba(4,8,15,.94)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-page::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(38,227,187,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(38,227,187,.07) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(760px 420px at 22% 24%,#000,transparent 76%);
  mask-image:radial-gradient(760px 420px at 22% 24%,#000,transparent 76%);
  pointer-events:none;
}
.hero-page .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.86rem;color:var(--muted);margin-bottom:22px}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.5}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-page h1{font-size:clamp(1.85rem,3.4vw,2.9rem);margin-bottom:18px}
.hero-page h1 span{color:var(--accent)}
.hero-sub{color:var(--muted);font-size:1.04rem;max-width:620px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.status-card{
  background:var(--glass);border:1px solid var(--line-strong);
  border-radius:var(--radius);padding:24px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.status-card h3{font-size:.95rem;color:var(--muted);font-weight:600;letter-spacing:.06em;margin-bottom:18px}
.status-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 0;border-bottom:1px dashed rgba(96,178,232,.16);
}
.status-list li:last-child{border-bottom:none;padding-bottom:0}
.dot{width:9px;height:9px;border-radius:50%;margin-top:8px;flex:0 0 9px}
.dot.on{background:var(--accent);box-shadow:0 0 12px rgba(38,227,187,.9)}
.dot.wait{background:var(--signal);box-shadow:0 0 12px rgba(255,180,87,.75)}
.dot.off{background:rgba(143,166,201,.5)}
.status-list strong{display:block;font-size:.96rem;font-weight:700}
.status-list small{color:var(--muted);font-size:.84rem}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card p{color:var(--muted);font-size:.95rem}
.card .ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(38,227,187,.1);border:1px solid rgba(38,227,187,.26);
  color:var(--accent);margin-bottom:16px;font-size:17px;
}

/* 适用场景：两列错落 */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.scene-grid .card:nth-child(2){margin-top:36px}
.scene-grid .card:nth-child(3){margin-top:-18px}
.scene-grid .card:nth-child(4){margin-top:18px}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:12px}
.timeline::before{
  content:"";position:absolute;left:23px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(38,227,187,.6),rgba(47,116,255,.25),transparent);
}
.tl-item{position:relative;padding:0 0 30px 70px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-weight:800;font-size:1rem;
  background:linear-gradient(140deg,rgba(47,116,255,.28),rgba(38,227,187,.22));
  border:1px solid var(--line-strong);color:var(--accent);
  backdrop-filter:blur(8px);
}
.tl-body{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;transition:border-color var(--ease),transform var(--ease);
}
.tl-body:hover{border-color:var(--line-strong);transform:translateX(4px)}
.tl-body h3{font-size:1.1rem;margin-bottom:8px}
.tl-body p{color:var(--muted);font-size:.95rem}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:.78rem;color:var(--muted);padding:4px 11px;border-radius:var(--radius-pill);
  background:rgba(96,178,232,.08);border:1px solid var(--line);
}
.tag.accent{color:var(--accent);border-color:rgba(38,227,187,.32);background:rgba(38,227,187,.08)}

/* ---------- 检查清单 ---------- */
.check-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--glass);border:1px solid var(--line);
  margin-bottom:14px;transition:border-color var(--ease),transform var(--ease);
}
.check-list li:hover{border-color:var(--line-strong);transform:translateX(4px)}
.check-list i{color:var(--accent);margin-top:5px}
.check-list strong{display:block;font-size:.98rem;margin-bottom:2px}
.check-list span.tip{color:var(--muted);font-size:.88rem}
.figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
}
.figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(4,8,15,.1),rgba(4,8,15,.72));
}
.figure-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  font-size:.88rem;color:var(--text);
}
.figure-cap b{color:var(--accent)}

/* ---------- 数据 / 提示 ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-bottom:36px}
.stat{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;text-align:left;
}
.stat b{display:block;font-size:clamp(1.6rem,3vw,2.2rem);color:var(--accent);line-height:1.15}
.stat span{color:var(--muted);font-size:.9rem}
.alert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.alert-card{
  border-radius:var(--radius);padding:24px;
  background:linear-gradient(160deg,rgba(255,180,87,.09),rgba(16,32,56,.72));
  border:1px solid rgba(255,180,87,.26);
}
.alert-card i{color:var(--signal);font-size:18px;margin-bottom:14px;display:block}
.alert-card h3{font-size:1.05rem;margin-bottom:8px}
.alert-card p{color:var(--muted);font-size:.93rem}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;transition:border-color var(--ease);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-weight:700;font-size:1.02rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:1.4rem;line-height:1;color:var(--accent);
  transition:transform var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{
  padding:0 24px 22px;color:var(--muted);font-size:.95rem;
  border-top:1px solid rgba(96,178,232,.12);margin:0 24px 0;padding-left:0;padding-right:0;
}
.faq-body p+.p-mt, .faq-body p+p{margin-top:12px}

/* ---------- CTA / 表单 ---------- */
.cta-box{
  position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(23,44,78,.86),rgba(8,19,39,.9));
  border:1px solid var(--line-strong);border-radius:26px;
  padding:52px;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;
  box-shadow:var(--shadow);
}
.cta-box::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(38,227,187,.22),transparent 68%);
}
.cta-box > *{position:relative;z-index:1}
.cta-box h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:16px}
.cta-box p{color:var(--muted);font-size:.96rem}
.cta-points{margin-top:22px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:.92rem}
.cta-points i{color:var(--accent);margin-top:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:.88rem;color:var(--muted)}
.field input,.field select,.field textarea{
  background:rgba(6,14,28,.72);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:12px 14px;font-size:.95rem;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(38,227,187,.16);
}
.form-note{font-size:.8rem;color:var(--muted);margin-top:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;padding:64px 0 30px;
  background:linear-gradient(180deg,rgba(6,13,26,.4),rgba(3,7,14,.95));
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:11px;font-weight:800;margin-bottom:16px}
.foot-col p{color:var(--muted);font-size:.9rem;max-width:340px}
.foot-col h4{font-size:.95rem;margin-bottom:16px;color:var(--text)}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:var(--muted);font-size:.9rem}
.foot-col ul a:hover{color:var(--accent)}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--muted);font-size:.82rem;
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(5,11,22,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  grid-template-columns:repeat(5,1fr);
}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:.68rem;color:var(--muted);padding:5px 2px;border-radius:10px;
}
.mobile-tab a i{font-size:17px}
.mobile-tab a.active{color:var(--accent)}
.mobile-tab a.active i{filter:drop-shadow(0 0 8px rgba(38,227,187,.8))}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--section:72px}
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(5,11,22,.98);border-bottom:1px solid var(--line);
    padding:12px 4% 18px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:rgba(38,227,187,.1);color:var(--accent)}
  .nav-toggle{display:grid;place-items:center}
  .hero-page{padding:126px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .check-wrap{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:1fr}
  .alert-grid{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr;padding:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .mobile-tab{display:grid}
  body{padding-bottom:78px}
}
@media (max-width:767px){
  :root{--section:56px}
  body{font-size:16px}
  .scene-grid{grid-template-columns:1fr}
  .scene-grid .card:nth-child(n){margin-top:0}
  .form-grid{grid-template-columns:1fr}
  .nav-right .btn{display:none}
  .hero-actions .btn{width:100%}
  .tl-item{padding-left:62px}
  .timeline::before{left:20px}
  .tl-num{width:42px;height:42px;border-radius:12px;font-size:.92rem}
  .cta-box{padding:28px 22px;border-radius:20px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .faq-item summary{padding:18px 18px;font-size:.97rem}
}
@media (max-width:479px){
  .brand-text{font-size:.94rem}
  .container{width:92%}
}

/* roulang page: category2 */
:root{
  --bg-0:#050a14;
  --bg-1:#0a1322;
  --bg-2:#0f1d33;
  --primary:#2f6bff;
  --primary-2:#4d8bff;
  --accent:#1fe0b6;
  --accent-soft:rgba(31,224,182,.14);
  --signal:#f5b544;
  --danger:#ff5f6d;
  --text:#e8eefb;
  --muted:#8fa3c4;
  --muted-2:#6f83a5;
  --line:rgba(120,170,255,.16);
  --line-strong:rgba(120,170,255,.3);
  --glass:rgba(16,30,54,.6);
  --glass-2:rgba(12,24,44,.78);
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:10px;
  --shadow:0 26px 60px rgba(0,0,0,.45);
  --shadow-soft:0 14px 34px rgba(0,0,0,.35);
  --glow-accent:0 0 0 1px rgba(31,224,182,.28), 0 14px 40px rgba(31,224,182,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",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:color .22s ease,opacity .22s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(10,19,34,.9),rgba(5,10,20,.95));}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1px;color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(31,224,182,.26);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.15rem);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:16px;max-width:680px;}
.muted{color:var(--muted);}
.small{font-size:13.5px;color:var(--muted-2);}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,13,24,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,107,255,.9),rgba(31,224,182,.85));
  color:#04101f;font-size:17px;
  box-shadow:0 8px 26px rgba(47,107,255,.36);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.4px;color:var(--text);white-space:nowrap;}
.brand-text b{color:var(--accent);font-weight:700;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
}
.nav-links a:hover{color:var(--text);background:rgba(120,170,255,.07);}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),rgba(31,224,182,0));
  box-shadow:0 0 12px rgba(31,224,182,.7);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);color:var(--text);
  background:rgba(120,170,255,.06);font-size:17px;
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--accent));
  color:#03101d;
  box-shadow:0 12px 32px rgba(47,107,255,.34),0 0 0 1px rgba(31,224,182,.24);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 18px 44px rgba(31,224,182,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.35);}
.btn-ghost{
  background:rgba(120,170,255,.07);
  border-color:var(--line-strong);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:rgba(120,170,255,.14);border-color:rgba(31,224,182,.5);transform:translateY(-2px);}
.btn-text{color:var(--accent);padding:0;font-weight:600;border-radius:4px;}
.btn-text i{transition:transform .22s ease;}
.btn-text:hover i{transform:translateX(4px);}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(5,10,20,.86),rgba(5,10,20,.95)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.9;z-index:0;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 72% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 72% 30%,#000 0%,transparent 72%);
}
.cat-hero .container{position:relative;z-index:2;}
.hero-glow{
  position:absolute;width:520px;height:520px;right:-120px;top:-180px;z-index:1;
  background:radial-gradient(circle,rgba(31,224,182,.20),transparent 66%);
  filter:blur(6px);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted-2);margin-bottom:24px;}
.crumbs a:hover{color:var(--accent);}
.crumbs span.sep{opacity:.5;}
.cat-hero h1{
  font-size:clamp(1.9rem,3.9vw,2.9rem);
  max-width:820px;margin-bottom:20px;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--accent),var(--primary-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:700px;color:var(--muted);font-size:17px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:40px;padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-meta div{min-width:150px;}
.hero-meta strong{display:block;font-size:26px;font-weight:800;color:var(--text);letter-spacing:.5px;}
.hero-meta span{font-size:13.5px;color:var(--muted-2);}

/* ============ Cards & Grid ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  padding:28px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.glass:hover{transform:translateY(-4px);border-color:rgba(31,224,182,.4);box-shadow:var(--glow-accent);}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(47,107,255,.16);border:1px solid rgba(47,107,255,.32);
  color:var(--accent);font-size:18px;margin-bottom:18px;
}
.glass h3{font-size:18.5px;margin-bottom:12px;}
.glass p{color:var(--muted);font-size:15.2px;}
.tick-list{margin-top:16px;display:grid;gap:9px;}
.tick-list li{display:flex;gap:10px;font-size:14.4px;color:var(--muted);align-items:flex-start;}
.tick-list li i{color:var(--accent);margin-top:6px;font-size:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;padding:4px 11px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--muted);
  background:rgba(120,170,255,.07);
}
.badge-accent{color:var(--accent);border-color:rgba(31,224,182,.34);background:var(--accent-soft);}
.badge-signal{color:var(--signal);border-color:rgba(245,181,68,.34);background:rgba(245,181,68,.12);}

/* ============ Matrix ============ */
.matrix-wrap{
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:var(--glass-2);box-shadow:var(--shadow);
}
.matrix-row{display:grid;grid-template-columns:1.1fr 1.4fr 1.4fr;border-top:1px solid var(--line);}
.matrix-row:first-child{border-top:0;}
.matrix-row.head{background:rgba(47,107,255,.12);}
.matrix-row > div{padding:20px 24px;font-size:14.6px;color:var(--muted);border-left:1px solid var(--line);}
.matrix-row > div:first-child{border-left:0;color:var(--text);font-weight:600;}
.matrix-row.head > div{font-size:13.5px;letter-spacing:.5px;color:var(--accent);font-weight:600;}
.matrix-row:not(.head):hover{background:rgba(120,170,255,.05);}
.matrix-row .yes{color:var(--accent);}
.matrix-row .mid{color:var(--signal);}

/* ============ Split / image blocks ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.split.reverse{grid-template-columns:.95fr 1.05fr;}
.figure{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);box-shadow:var(--shadow);
}
.figure img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}
.split h3{font-size:22px;margin-bottom:14px;}
.split p{color:var(--muted);margin-bottom:16px;}

/* ============ Checklist ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--radius-sm);
  background:rgba(12,24,44,.6);border:1px solid var(--line);
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.check-item:hover{border-color:rgba(31,224,182,.38);background:rgba(16,32,56,.75);transform:translateY(-3px);}
.check-box{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;margin-top:2px;
  display:grid;place-items:center;font-size:12px;
  background:var(--accent-soft);border:1px solid rgba(31,224,182,.4);color:var(--accent);
}
.check-item strong{display:block;font-size:16px;margin-bottom:6px;font-weight:600;}
.check-item p{font-size:14.4px;color:var(--muted);}

/* ============ Stat bar ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:34px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(47,107,255,.16),rgba(31,224,182,.1));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.stat-bar div{text-align:center;}
.stat-bar strong{display:block;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;letter-spacing:.5px;color:var(--text);}
.stat-bar span{font-size:13.5px;color:var(--muted);}

/* ============ Testimonial ============ */
.quote-track{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-soft);
  transition:transform .28s ease,border-color .28s ease;
}
.quote:nth-child(2){transform:translateY(-14px);}
.quote:hover{transform:translateY(-8px);border-color:rgba(31,224,182,.36);}
.quote:nth-child(2):hover{transform:translateY(-20px);}
.quote p{font-size:15.4px;color:var(--text);margin-bottom:20px;}
.quote-foot{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line);}
.avatar{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,107,255,.5),rgba(31,224,182,.4));
  color:#03101d;font-weight:700;font-size:15px;
}
.quote-foot strong{display:block;font-size:14.6px;font-weight:600;}
.quote-foot span{font-size:13px;color:var(--muted-2);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(12,24,44,.62);overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item.open{border-color:rgba(31,224,182,.4);background:rgba(14,28,50,.86);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.4px;font-weight:600;color:var(--text);
}
.faq-q i{color:var(--accent);transition:transform .28s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(135deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  background:rgba(6,12,22,.7);
}
.faq-item.open .faq-a{max-height:520px;}
.faq-a-inner{padding:4px 24px 24px;border-top:1px solid var(--line);}
.faq-a-inner p{color:var(--muted);font-size:15px;margin-top:14px;}

/* ============ CTA / Form ============ */
.cta-card{
  border-radius:22px;padding:52px;
  background:linear-gradient(130deg,rgba(47,107,255,.2),rgba(31,224,182,.12)),rgba(10,19,34,.9);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1.05fr;gap:48px;
}
.cta-card h2{font-size:clamp(1.45rem,2.4vw,2rem);margin-bottom:14px;}
.cta-card > div > p{color:var(--muted);margin-bottom:22px;}
.cta-points{display:grid;gap:12px;margin-top:26px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.6px;color:var(--muted);}
.cta-points li i{color:var(--accent);margin-top:6px;font-size:12px;}
.form-grid{display:grid;gap:16px;}
.field label{display:block;font-size:13.6px;color:var(--muted);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-xs);
  background:rgba(6,12,22,.72);border:1px solid var(--line);
  color:var(--text);font-size:15px;transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(143,163,196,.6);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:rgba(31,224,182,.6);
  box-shadow:0 0 0 3px rgba(31,224,182,.14);
}
.field textarea{min-height:104px;resize:vertical;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:12.8px;color:var(--muted-2);margin-top:12px;}

/* ============ Footer ============ */
.site-footer{
  background:linear-gradient(180deg,rgba(6,12,22,.96),rgba(3,7,14,1));
  border-top:1px solid var(--line);
  padding:66px 0 34px;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:700;margin-bottom:18px;}
.foot-col h4{font-size:15px;margin-bottom:18px;color:var(--text);letter-spacing:.4px;}
.foot-col p{color:var(--muted);font-size:14.4px;max-width:340px;}
.foot-col ul{display:grid;gap:11px;}
.foot-col ul li{font-size:14.4px;color:var(--muted);}
.foot-col ul a:hover{color:var(--accent);}
.foot-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.2px;color:var(--muted-2);
}

/* ============ Mobile tabs ============ */
.mobile-tabs{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(7,13,24,.94);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabs a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:9px 2px;font-size:11.4px;color:var(--muted-2);
}
.mobile-tabs a i{font-size:17px;}
.mobile-tabs a.active{color:var(--accent);}
.mobile-tabs a.active i{filter:drop-shadow(0 0 8px rgba(31,224,182,.7));}

/* ============ Responsive ============ */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;top:72px;left:16px;right:16px;
    padding:14px;border-radius:16px;gap:4px;
    background:rgba(9,17,30,.98);border:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .nav-links.open a{padding:12px 14px;}
  .nav-toggle{display:grid;place-items:center;}
  .mobile-tabs{display:flex;}
  body{padding-bottom:78px;}
  .section{padding:72px 0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .quote-track{grid-template-columns:1fr;gap:18px;}
  .quote:nth-child(2){transform:none;}
  .quote:hover,.quote:nth-child(2):hover{transform:translateY(-4px);}
  .cta-card{grid-template-columns:1fr;gap:34px;padding:38px;}
  .split,.split.reverse{grid-template-columns:1fr;gap:30px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .cat-hero{padding:50px 0 60px;}
  .grid-2,.grid-3,.check-grid{grid-template-columns:1fr;}
  .hero-meta{gap:18px;}
  .hero-meta strong{font-size:22px;}
  .matrix-row{grid-template-columns:1fr;border-top:1px solid var(--line);}
  .matrix-row > div{border-left:0;padding:14px 18px;}
  .matrix-row.head{display:none;}
  .matrix-row > div:first-child{background:rgba(47,107,255,.1);}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:22px;padding:26px;}
  .field-row{grid-template-columns:1fr;}
  .cta-card{padding:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .brand-text{font-size:15.4px;}
}
@media (max-width:479px){
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --bg-0:#05090f;
  --bg-1:#0a1220;
  --bg-2:#0e1a2c;
  --primary:#2f6bff;
  --primary-soft:#5c8cff;
  --accent:#21e0ad;
  --accent-dim:#12a67f;
  --signal:#ffb020;
  --danger:#ff5c7a;
  --text:#e9effc;
  --muted:#8fa2c2;
  --muted-2:#6c7f9f;
  --line:rgba(120,180,255,.16);
  --line-strong:rgba(90,200,255,.34);
  --glass:rgba(15,27,46,.62);
  --glass-2:rgba(12,22,38,.78);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:24px;
  --shadow:0 26px 60px -30px rgba(0,0,0,.95);
  --glow:0 0 0 1px rgba(33,224,173,.18), 0 18px 48px -22px rgba(47,107,255,.55);
  --container:1240px;
  --gap:24px;
  --sec:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:radial-gradient(1200px 620px at 88% -8%, rgba(47,107,255,.20), transparent 62%),
             radial-gradient(900px 520px at -8% 22%, rgba(33,224,173,.12), transparent 60%),
             linear-gradient(180deg,var(--bg-0),var(--bg-1) 46%,var(--bg-0));
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:-.01em;}
p{margin:0;}
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:inherit;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,20,.78);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,107,255,.95),rgba(33,224,173,.85));
  color:#04121a;font-size:17px;
  box-shadow:0 10px 26px -12px rgba(33,224,173,.75);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-text b{color:var(--accent);font-weight:800;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--muted);font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.045);}
.nav-links a.active{color:var(--text);font-weight:700;background:rgba(47,107,255,.14);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(33,224,173,.85);
}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:11px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);
  font-size:16px;place-items:center;
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--accent);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{
  color:#02121c;
  background:linear-gradient(120deg,var(--primary) 0%,#41a8ff 44%,var(--accent) 100%);
  box-shadow:0 16px 38px -18px rgba(47,107,255,.95), 0 0 0 1px rgba(33,224,173,.28) inset;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 52px -18px rgba(33,224,173,.95);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.4);}
.btn-ghost{
  color:var(--text);
  background:var(--glass);
  border-color:var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--accent);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent);font-weight:700;font-size:14.5px;
  border-bottom:1px solid rgba(33,224,173,.45);padding-bottom:3px;
}
.btn-text:hover{color:#7dffd8;border-color:#7dffd8;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:var(--accent);
  background:rgba(33,224,173,.09);
  border:1px solid rgba(33,224,173,.28);
}
.tag.tag-blue{color:var(--primary-soft);background:rgba(47,107,255,.12);border-color:rgba(47,107,255,.34);}
.tag.tag-amber{color:var(--signal);background:rgba(255,176,32,.10);border-color:rgba(255,176,32,.3);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  opacity:.34;
  filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,9,15,.86) 0%,rgba(5,9,15,.93) 62%,rgba(5,9,15,.98) 100%),
    linear-gradient(90deg,rgba(47,107,255,.16),rgba(33,224,173,.10));
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted-2);margin-bottom:22px;flex-wrap:wrap;}
.crumb a:hover{color:var(--accent);}
.crumb i{font-size:10px;opacity:.7;}
.hero-title{
  font-size:clamp(2rem,4.1vw,3.25rem);
  max-width:900px;
  margin-bottom:20px;
}
.hero-title em{font-style:normal;color:var(--accent);}
.hero-sub{
  max-width:760px;font-size:17px;line-height:1.85;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:38px;
}
.hero-metrics span{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.hero-metrics i{color:var(--accent);font-size:12px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sec) 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(10,18,32,.72),rgba(5,9,15,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:800px;margin-bottom:52px;}
.sec-head h2{font-size:clamp(1.5rem,2.7vw,2.2rem);margin:16px 0 16px;}
.sec-head p{color:var(--muted);font-size:16.5px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 卖点卡片（两列错落） ---------- */
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.value-card{
  position:relative;
  padding:28px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.value-card:nth-child(2){margin-top:34px;}
.value-card:nth-child(4){margin-top:-34px;}
.value-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.value-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,107,255,.22),rgba(33,224,173,.16));
  border:1px solid var(--line-strong);
  color:var(--accent);font-size:19px;margin-bottom:18px;
}
.value-card h3{font-size:18.5px;margin-bottom:12px;}
.value-card p{color:var(--muted);font-size:15px;line-height:1.85;}
.value-card ul{margin-top:16px;display:grid;gap:10px;}
.value-card ul li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--muted);
}
.value-card ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(33,224,173,.8);
}

/* ---------- 数据成果条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);
}
.metric{
  padding:30px 24px;border-radius:var(--radius);
  background:var(--glass-2);
  border:1px solid var(--line);
  position:relative;overflow:hidden;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:border-color .28s ease,transform .28s ease;
}
.metric::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:.75;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.metric strong{
  display:block;font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,#ffffff,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:10px;font-size:14px;color:var(--muted);}

/* ---------- 左图右文交替 ---------- */
.scene{
  display:grid;grid-template-columns:1.02fr 1fr;
  gap:56px;align-items:center;
  padding:56px 0;
}
.scene + .scene{border-top:1px dashed rgba(120,180,255,.16);}
.scene.reverse .scene-media{order:2;}
.scene.reverse .scene-body{order:1;}
.scene-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.scene-media img{width:100%;height:340px;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.scene-media:hover img{transform:scale(1.04);}
.scene-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,9,15,.06),rgba(5,9,15,.55));
}
.scene-badge{
  position:absolute;left:18px;top:18px;z-index:2;
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(5,9,15,.72);border:1px solid var(--line-strong);color:var(--accent);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.scene-body h3{font-size:clamp(1.3rem,2.2vw,1.7rem);margin-bottom:16px;}
.scene-body p{color:var(--muted);font-size:15.5px;margin-bottom:14px;}
.scene-list{display:grid;gap:12px;margin:22px 0 26px;}
.scene-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:var(--muted);
}
.scene-list i{color:var(--accent);margin-top:6px;font-size:13px;}

/* ---------- 接入阶段 ---------- */
.stage-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.stage-track::before{
  content:"";position:absolute;left:6%;right:6%;top:29px;height:1px;
  background:linear-gradient(90deg,rgba(47,107,255,.5),rgba(33,224,173,.5));
  opacity:.5;
}
.stage{
  position:relative;
  padding:26px 22px;border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .28s ease,border-color .28s ease;
}
.stage:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.stage-num{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04121a;
  background:linear-gradient(140deg,var(--primary),var(--accent));
  margin-bottom:16px;box-shadow:0 12px 28px -14px rgba(33,224,173,.9);
}
.stage h3{font-size:16.5px;margin-bottom:10px;}
.stage p{color:var(--muted);font-size:14.5px;}

/* ---------- 证言 ---------- */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.voice{
  padding:28px;border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:18px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.voice:nth-child(2){margin-top:30px;}
.voice:nth-child(3){margin-top:-18px;}
.voice:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow);}
.voice-quote{font-size:15.5px;line-height:1.86;color:var(--text);}
.voice-quote i{color:var(--accent);opacity:.7;margin-right:6px;}
.voice-person{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
.voice-avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(140deg,rgba(47,107,255,.35),rgba(33,224,173,.3));
  border:1px solid var(--line-strong);
  display:grid;place-items:center;color:var(--accent);font-size:15px;
}
.voice-person strong{display:block;font-size:14.5px;}
.voice-person span{font-size:13px;color:var(--muted-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  overflow:hidden;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color .25s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;position:relative;
  border:1px solid var(--line-strong);
  transition:transform .28s ease,background .28s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--accent);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:11px;height:1.6px;}
.faq-item summary .plus::after{width:1.6px;height:11px;transition:opacity .25s ease;}
.faq-item[open] summary .plus{background:rgba(33,224,173,.16);transform:rotate(180deg);}
.faq-item[open] summary .plus::after{opacity:0;}
.faq-answer{
  padding:0 24px 24px;
  color:var(--muted);font-size:15px;line-height:1.88;
  background:linear-gradient(180deg,rgba(5,9,15,.34),rgba(5,9,15,.12));
  border-top:1px solid var(--line);
}
.faq-answer p + p{margin-top:14px;}

/* ---------- CTA + 表单 ---------- */
.cta-card{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  padding:52px;
  border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(15,27,46,.9),rgba(8,15,26,.86));
  border:1px solid var(--line-strong);
  box-shadow:var(--glow);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  position:relative;overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-160px;
  background:radial-gradient(circle,rgba(33,224,173,.22),transparent 66%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:18px;}
.cta-copy p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.cta-copy .hero-actions{margin-top:28px;}
.form{display:grid;gap:16px;position:relative;z-index:2;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--text);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;
  border-radius:var(--radius-sm);
  background:rgba(5,9,15,.62);
  border:1px solid var(--line);
  color:var(--text);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--muted-2);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(33,224,173,.16);
  background:rgba(5,9,15,.82);
}
.field textarea{min-height:116px;resize:vertical;}
.field .hint{font-size:12.5px;color:var(--muted-2);}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px;}
.form-note{font-size:12.5px;color:var(--muted-2);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:20px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,14,25,.9),rgba(4,7,12,.98));
  padding:64px 0 30px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;font-weight:800;font-size:16.5px;}
.foot-col p{color:var(--muted);font-size:14.5px;line-height:1.85;max-width:380px;}
.foot-col h4{font-size:15px;margin-bottom:18px;color:var(--text);}
.foot-col ul{display:grid;gap:12px;}
.foot-col ul li{font-size:14.5px;color:var(--muted);}
.foot-col ul a:hover{color:var(--accent);}
.foot-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-2);
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(6,11,20,.94);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.tabbar-inner{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;}
.tabbar a{
  display:grid;justify-items:center;gap:4px;
  padding:6px 2px;border-radius:12px;
  font-size:11.5px;color:var(--muted-2);font-weight:600;
}
.tabbar a i{font-size:16px;}
.tabbar a.active{color:var(--accent);background:rgba(33,224,173,.10);}
.tabbar a:hover{color:var(--text);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:72px;}
  .nav-links{
    display:none;position:absolute;left:12px;right:12px;top:74px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;border-radius:var(--radius);
    background:rgba(8,14,25,.98);
    border:1px solid var(--line-strong);
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;}
  .nav-links a.active::after{display:none;}
  .nav-toggle{display:grid;}
  .nav{gap:16px;}
  .value-grid{grid-template-columns:1fr;}
  .value-card:nth-child(2),.value-card:nth-child(4){margin-top:0;}
  .metrics{grid-template-columns:1fr 1fr;}
  .stage-track{grid-template-columns:1fr 1fr;}
  .stage-track::before{display:none;}
  .voices{grid-template-columns:1fr;}
  .voice:nth-child(2),.voice:nth-child(3){margin-top:0;}
  .scene{grid-template-columns:1fr;gap:28px;padding:44px 0;}
  .scene.reverse .scene-media{order:1;}
  .scene.reverse .scene-body{order:2;}
  .cta-card{grid-template-columns:1fr;padding:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .tabbar{display:block;}
  body{padding-bottom:84px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .container{padding:0 18px;}
  .hero-actions .btn{width:100%;}
  .page-hero{padding:40px 0 52px;}
  .hero-sub{font-size:16px;}
  .cta-card{padding:26px 20px;}
  .form-row{grid-template-columns:1fr;}
  .cta-copy .hero-actions{flex-direction:column;align-items:stretch;}
  .scene-media img{height:230px;}
}
@media (max-width:479px){
  .metrics{grid-template-columns:1fr;}
  .stage-track{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .brand-text{font-size:15.5px;}
  .faq-item summary{font-size:15px;padding:18px 18px;}
  .faq-answer{padding:0 18px 20px;}
}

/* roulang page: category4 */
:root{
  --bg-0:#050a14;
  --bg-1:#0a1322;
  --bg-2:#0e1a2e;
  --primary:#2f7bff;
  --primary-soft:#5a9bff;
  --accent:#2ee6b0;
  --accent-soft:#8bf4d6;
  --signal:#ffb648;
  --danger:#ff5f6d;
  --text:#e8f0fd;
  --muted:#8ea3c4;
  --line:rgba(122,172,255,.16);
  --line-2:rgba(122,172,255,.28);
  --line-accent:rgba(46,230,176,.42);
  --glass:rgba(14,26,46,.62);
  --glass-2:rgba(9,18,33,.82);
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 26px 60px -34px rgba(0,0,0,.96);
  --glow:0 0 26px rgba(46,230,176,.32);
  --glow-blue:0 0 30px rgba(47,123,255,.34);
  --grad:linear-gradient(120deg,#2f7bff 0%,#28b6e0 48%,#2ee6b0 100%);
  --grad-soft:linear-gradient(140deg,rgba(47,123,255,.18),rgba(46,230,176,.12));
  --gap:24px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
  background-image:
    radial-gradient(900px 500px at 12% -6%,rgba(47,123,255,.20),transparent 62%),
    radial-gradient(760px 480px at 92% 6%,rgba(46,230,176,.13),transparent 60%),
    linear-gradient(180deg,#050a14 0%,#070d1a 46%,#050a14 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
ul{list-style:none;}
::selection{background:rgba(46,230,176,.32);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,12,23,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:.01em;white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad);color:#04121c;font-size:16px;
  box-shadow:var(--glow-blue);
}
.brand-text b{color:var(--accent);font-weight:800;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:15px;color:var(--muted);transition:color .22s ease,background .22s ease;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(122,172,255,.09);}
.nav-links a.active{color:var(--accent);background:rgba(46,230,176,.10);}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 12px var(--accent);
}
.nav-right{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;cursor:pointer;
  background:rgba(122,172,255,.08);border:1px solid var(--line);color:var(--text);
}
.nav-toggle:hover{background:rgba(46,230,176,.12);border-color:var(--line-accent);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);border:1px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;
  transition:transform .22s ease,box-shadow .28s ease,background .28s ease,color .22s ease,border-color .22s ease;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--grad);color:#03121a;box-shadow:var(--glow-blue);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(46,230,176,.5),0 0 20px rgba(47,123,255,.42);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.4);}
.btn-ghost{background:rgba(122,172,255,.08);border-color:var(--line-2);color:var(--text);backdrop-filter:blur(8px);}
.btn-ghost:hover{background:rgba(122,172,255,.15);border-color:var(--line-accent);color:#fff;transform:translateY(-2px);}
.btn-line{background:transparent;border-color:var(--line-2);color:var(--accent-soft);}
.btn-line:hover{border-color:var(--line-accent);background:rgba(46,230,176,.08);}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent-soft);font-weight:600;font-size:15px;border-bottom:1px solid rgba(46,230,176,.35);padding-bottom:2px;transition:.22s;}
.link-arrow:hover{color:#fff;border-color:#fff;gap:10px;}

/* ============ 通用板块 ============ */
main{display:block;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:14px;
  padding:6px 14px;border-radius:var(--pill);background:rgba(46,230,176,.09);border:1px solid var(--line-accent);
}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.15rem);font-weight:800;line-height:1.35;letter-spacing:.01em;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb i{font-size:10px;opacity:.6;}
.crumb span.current{color:var(--text);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:78px 0 84px;
  background-image:linear-gradient(115deg,rgba(5,10,20,.95) 0%,rgba(6,13,26,.86) 46%,rgba(5,12,22,.94) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(122,172,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(122,172,255,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 32% 34%,#000 0%,transparent 74%);
  -webkit-mask-image:radial-gradient(circle at 32% 34%,#000 0%,transparent 74%);
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,230,176,.20),transparent 66%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .9fr;gap:52px;align-items:center;}
.hero h1{font-size:clamp(1.9rem,3.5vw,2.9rem);font-weight:800;line-height:1.3;margin:18px 0 18px;letter-spacing:.005em;}
.hero .lead{color:#b9c9e4;font-size:17px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px;padding-top:24px;border-top:1px dashed var(--line-2);}
.hero-meta div{font-size:14px;color:var(--muted);}
.hero-meta strong{display:block;font-size:20px;color:var(--text);font-weight:800;letter-spacing:.02em;}

/* 终端状态卡 */
.term-card{
  background:var(--glass-2);border:1px solid var(--line-2);border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);overflow:hidden;
}
.term-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(122,172,255,.05);}
.term-bar i.dot{width:9px;height:9px;border-radius:50%;background:var(--line-2);display:inline-block;}
.term-bar i.dot.g{background:var(--accent);box-shadow:0 0 10px var(--accent);}
.term-bar i.dot.a{background:var(--signal);}
.term-bar i.dot.r{background:var(--danger);}
.term-bar span{margin-left:auto;font-size:13px;color:var(--muted);letter-spacing:.06em;}
.term-body{padding:20px 20px 22px;}
.term-line{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--line);background:rgba(122,172,255,.045);margin-bottom:10px;}
.term-line:last-child{margin-bottom:0;}
.term-line .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:13px;background:rgba(46,230,176,.14);color:var(--accent);flex-shrink:0;}
.term-line .ic.blue{background:rgba(47,123,255,.16);color:var(--primary-soft);}
.term-line .ic.amber{background:rgba(255,182,72,.16);color:var(--signal);}
.term-line p{font-size:14px;color:var(--text);font-weight:600;line-height:1.5;}
.term-line small{display:block;color:var(--muted);font-weight:400;font-size:12.5px;margin-top:2px;}
.term-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line-2);display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.cursor{display:inline-block;width:8px;height:15px;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:blink 1.1s steps(1) infinite;vertical-align:-2px;}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* ============ 卡片通用 ============ */
.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-accent);box-shadow:var(--glow),var(--shadow);}
.card .ic-lg{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:18px;background:var(--grad-soft);border:1px solid var(--line-2);color:var(--accent);margin-bottom:16px;}
.card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:var(--pill);background:rgba(47,123,255,.13);border:1px solid rgba(47,123,255,.3);color:var(--primary-soft);}
.tag.green{background:rgba(46,230,176,.12);border-color:var(--line-accent);color:var(--accent);}
.tag.amber{background:rgba(255,182,72,.13);border-color:rgba(255,182,72,.34);color:var(--signal);}

/* ============ 快速定位 ============ */
.locate-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.locate-grid .card:nth-child(2){transform:translateY(22px);}
.locate-grid .card:nth-child(2):hover{transform:translateY(18px);}
.locate-grid .card:nth-child(4){transform:translateY(22px);}
.locate-grid .card:nth-child(4):hover{transform:translateY(18px);}
.locate-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.locate-list li{font-size:13px;color:var(--muted);padding:4px 10px;border-radius:var(--pill);background:rgba(122,172,255,.07);border:1px solid var(--line);}

/* ============ FAQ ============ */
.faq-group{margin-bottom:34px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:700;color:var(--accent);margin-bottom:16px;letter-spacing:.06em;}
.faq-group-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line-accent),transparent);}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:var(--line-2);}
.faq-item[open]{border-color:var(--line-accent);box-shadow:0 0 0 1px rgba(46,230,176,.10),0 22px 46px -30px rgba(0,0,0,.95);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;cursor:pointer;font-weight:700;font-size:16.5px;list-style:none;
  transition:background .22s ease;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{background:rgba(122,172,255,.05);}
.faq-q .idx{font-size:13px;color:var(--muted);font-weight:600;margin-right:2px;}
.faq-sign{
  flex-shrink:0;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--accent);font-size:13px;
  transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq-item[open] .faq-sign{transform:rotate(135deg);background:rgba(46,230,176,.16);border-color:var(--line-accent);}
.faq-a{padding:4px 24px 24px;border-top:1px solid var(--line);background:rgba(5,11,22,.6);}
.faq-a p{color:var(--muted);font-size:15.5px;margin-top:16px;}
.faq-a p strong{color:var(--text);}

/* ============ 图文自查区 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.split.rev .split-media{order:2;}
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow);}
.split-media img{aspect-ratio:16/11;object-fit:cover;width:100%;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.04);}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.12),rgba(5,10,20,.62));}
.split-media .badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text);
  background:rgba(8,16,30,.78);border:1px solid var(--line-2);border-radius:var(--pill);padding:7px 14px;backdrop-filter:blur(8px);
}
.check-list{margin-top:24px;display:grid;gap:14px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-list .num{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:800;background:var(--grad);color:#04121c;
}
.check-list p{font-size:15px;color:var(--muted);}
.check-list strong{display:block;color:var(--text);font-size:15.5px;font-weight:700;margin-bottom:3px;}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);
}
.stat{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;text-align:left;position:relative;overflow:hidden;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:border-color .24s ease,transform .24s ease;
}
.stat:hover{border-color:var(--line-accent);transform:translateY(-4px);}
.stat::after{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:var(--grad);opacity:.7;}
.stat .num{font-size:clamp(1.7rem,2.6vw,2.3rem);font-weight:800;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat .lbl{margin-top:8px;font-size:13.5px;color:var(--muted);}

/* ============ 资源链接列表 ============ */
.res-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(10px);}
.res-item{
  display:flex;align-items:center;gap:18px;padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background .22s ease,padding-left .22s ease;
}
.res-item:last-child{border-bottom:none;}
.res-item:hover{background:rgba(46,230,176,.06);padding-left:30px;}
.res-item .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(47,123,255,.14);color:var(--primary-soft);flex-shrink:0;font-size:15px;}
.res-item .txt{flex:1;min-width:0;}
.res-item .txt strong{display:block;font-size:16px;font-weight:700;}
.res-item .txt span{display:block;font-size:14px;color:var(--muted);margin-top:3px;}
.res-item .go{color:var(--accent);font-size:14px;flex-shrink:0;}

/* ============ CTA / 表单 ============ */
.cta-wrap{
  background:var(--glass-2);border:1px solid var(--line-2);border-radius:24px;
  padding:48px;display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;
  box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  position:relative;overflow:hidden;
}
.cta-wrap::before{content:"";position:absolute;width:420px;height:420px;right:-160px;bottom:-200px;border-radius:50%;background:radial-gradient(circle,rgba(47,123,255,.22),transparent 68%);}
.cta-left{position:relative;z-index:2;}
.cta-left h2{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:800;line-height:1.38;margin-bottom:16px;}
.cta-left p{color:var(--muted);font-size:15.5px;}
.cta-points{margin-top:26px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#c3d2ea;}
.cta-points i{color:var(--accent);margin-top:6px;font-size:13px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;position:relative;z-index:2;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:#cddaee;}
.field label .req{color:var(--signal);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);
  background:rgba(6,13,25,.72);border:1px solid var(--line-2);color:var(--text);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{resize:vertical;min-height:104px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#61748f;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:rgba(6,16,30,.9);
  box-shadow:0 0 0 3px rgba(46,230,176,.16),var(--glow);
}
.field select option{background:#0a1322;color:var(--text);}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px;}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.6;flex:1;min-width:200px;}

/* ============ 页脚 ============ */
.site-footer{border-top:1px solid var(--line);background:rgba(4,9,18,.92);padding:64px 0 30px;margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:16px;}
.foot-col p{color:var(--muted);font-size:14.5px;max-width:320px;}
.foot-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.foot-col ul{display:grid;gap:10px;}
.foot-col ul li{font-size:14.5px;color:var(--muted);}
.foot-col ul a{color:var(--muted);transition:color .2s ease;}
.foot-col ul a:hover{color:var(--accent);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:#6d809b;
}

/* ============ 移动端底部 Tab ============ */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(6,12,23,.94);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);padding:8px 6px calc(8px + env(safe-area-inset-bottom));
}
.mobile-tab ul{display:flex;justify-content:space-around;align-items:center;}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  font-size:11.5px;color:var(--muted);padding:4px 8px;border-radius:var(--radius-sm);
  transition:color .2s ease,background .2s ease;min-width:58px;
}
.mobile-tab a i{font-size:17px;}
.mobile-tab a.active{color:var(--accent);background:rgba(46,230,176,.1);}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-links a{padding:9px 11px;font-size:14.5px;}
  .hero-inner{gap:40px;}
}
@media (max-width:1023px){
  body{padding-bottom:82px;}
  .nav-links{
    display:none;position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(6,12,23,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;backdrop-filter:blur(18px);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:15.5px;border-radius:var(--radius-sm);}
  .nav-links a.active::after{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .mobile-tab{display:block;}
  .nav-right .btn{display:none;}
  .hero{padding:56px 0 64px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .section{padding:72px 0;}
  .section-sm{padding:52px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.rev .split-media{order:0;}
  .cta-wrap{grid-template-columns:1fr;padding:34px;gap:32px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .locate-grid .card:nth-child(2),
  .locate-grid .card:nth-child(4){transform:none;}
  .locate-grid .card:nth-child(2):hover,
  .locate-grid .card:nth-child(4):hover{transform:translateY(-4px);}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:clamp(1.6rem,7vw,2.1rem);margin:14px 0 14px;}
  .hero .lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-meta{gap:16px;}
  .hero-meta strong{font-size:17px;}
  .locate-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;gap:14px;}
  .faq-q{padding:17px 18px;font-size:15.5px;gap:12px;}
  .faq-a{padding:2px 18px 20px;}
  .card{padding:22px;}
  .cta-wrap{padding:24px;border-radius:20px;}
  .form-grid{grid-template-columns:1fr;}
  .form-foot .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .foot-bottom{flex-direction:column;font-size:12.5px;}
  .res-item{padding:18px;gap:12px;}
  .res-item:hover{padding-left:22px;}
  .res-item .go{display:none;}
}
@media (max-width:479px){
  .brand{font-size:16px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:14px;}
  .foot-grid{grid-template-columns:1fr;}
  .mobile-tab a{min-width:52px;font-size:11px;}
}