/* roulang page: index */
:root{
  --bg:#0A0F1C;
  --bg-deep:#05070E;
  --bg-raise:#101827;
  --primary:#2CD4E6;
  --primary-deep:#0E8DC0;
  --amber:#FFB23F;
  --text:#E9F0FA;
  --text-2:#A3B0C6;
  --text-3:#6E7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(44,212,230,.35);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:18px;
  --nav-h:64px;
  --gutter:24px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.5);
  --glow:0 8px 26px rgba(44,212,230,.32);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:92px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 460px at 76% -8%,rgba(44,212,230,.16),transparent 62%),
    radial-gradient(680px 380px at 6% 42%,rgba(255,178,63,.07),transparent 66%),
    linear-gradient(rgba(255,255,255,.034) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.034) 1px,transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:#5fe4f2;}
h1,h2,h3,h4{font-weight:600;line-height:1.3;color:var(--text);}
h1{font-size:clamp(32px,4.2vw,54px);line-height:1.2;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;}
h4{font-size:17px;}
p{margin:0 0 18px;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter);}
@media (min-width:1400px){.container{max-width:1320px;}}
::selection{background:rgba(44,212,230,.32);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:var(--nav-h);
  background:rgba(10,15,28,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(5,7,14,.94);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);gap:18px;}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0;flex:1 1 62%;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;position:relative;padding-left:22px;}
.nav-right::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:22px;background:var(--line);}
.nav-right::after{content:"";position:absolute;left:-2px;top:calc(50% - 12px);width:5px;height:5px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(44,212,230,.9);}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  display:grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(160deg,rgba(44,212,230,.2),rgba(44,212,230,.03));
  border:1px solid rgba(44,212,230,.35);
  box-shadow:inset 0 0 14px rgba(44,212,230,.12);
}
.brand-text{font-size:17px;font-weight:600;letter-spacing:.01em;white-space:nowrap;}
.nav-channels{display:flex;align-items:center;gap:4px;min-width:0;}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;
  color:var(--text-2);text-decoration:none;border-radius:8px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.03);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--text);font-weight:600;}
.icon-btn{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(44,212,230,.08);}
.menu-toggle{display:none;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  background:linear-gradient(180deg,#48E3F3,#2CD4E6);color:#04212B;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  box-shadow:var(--glow);transition:all .22s ease;
}
.btn-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 30px rgba(44,212,230,.46);color:#04212B;}
.btn-cta:active{transform:translateY(0);}
.btn-cta:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-cta-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--text);
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  transition:all .22s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(44,212,230,.06);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:1060;
  background:var(--bg-deep);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s ease;
  padding:22px;display:flex;flex-direction:column;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.drawer-link{display:block;padding:13px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);}
.drawer-link:hover,.drawer-link.active{color:var(--primary);}
.drawer-cta{margin-top:auto;padding-top:22px;}
.drawer-cta .btn-cta{width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(3,5,10,.62);z-index:1055;opacity:0;visibility:hidden;transition:.3s ease;}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- 通用板块 ---------- */
.section{padding:clamp(56px,7vw,104px) 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-kicker{
  display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--primary);
  padding:4px 10px;border-radius:6px;background:rgba(44,212,230,.08);
  border:1px solid rgba(44,212,230,.22);
}
.section-head h2{margin:14px 0 10px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;
  color:var(--primary);background:rgba(44,212,230,.1);border:1px solid rgba(44,212,230,.24);
  letter-spacing:.04em;
}
.tag-amber{color:var(--amber);background:rgba(255,178,63,.1);border-color:rgba(255,178,63,.26);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-more i{font-size:12px;transition:transform .22s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:calc(var(--nav-h) + 76px) 0 clamp(56px,7vw,96px);overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.2;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,15,28,.97) 0%,rgba(10,15,28,.82) 48%,rgba(10,15,28,.92) 100%);
}
.hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:58% 42%;gap:52px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.1em;
  color:var(--primary);padding:5px 12px;border-radius:6px;
  background:rgba(44,212,230,.08);border:1px solid rgba(44,212,230,.28);
  margin-bottom:20px;
}
.hero-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(44,212,230,.9);}
.hero h1{margin:0 0 18px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:540px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-points i{color:var(--primary);font-size:14px;}
.hero-visual{position:relative;}
.visual-frame{
  position:relative;aspect-ratio:4/3;border-radius:var(--radius-block);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);background:#0b1120;
}
.visual-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.52;}
.visual-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,.2) 0%,rgba(5,7,14,.72) 58%,rgba(5,7,14,.94) 100%);}
.glass-panel{
  position:absolute;left:20px;right:20px;bottom:20px;padding:18px 20px;
  border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.1);
}
.panel-row{display:flex;align-items:center;justify-content:space-between;padding:7px 0;font-size:14px;color:var(--text-2);border-bottom:1px dashed rgba(255,255,255,.07);}
.panel-row:last-child{border-bottom:0;}
.panel-row b{font-family:var(--mono);font-size:15px;color:var(--primary);letter-spacing:.02em;font-weight:600;}
.panel-row b.warn{color:var(--amber);}

/* ---------- 指标看板 ---------- */
.metrics-grid{display:grid;grid-template-columns:6fr 2fr 2fr 2fr;gap:18px;}
.metric-card{
  position:relative;background:var(--bg-raise);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.metric-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--primary);}
.metric-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-1);}
.metric-value{font-family:var(--mono);font-size:clamp(30px,3.4vw,46px);line-height:1.1;color:var(--primary);letter-spacing:.02em;font-weight:600;}
.metric-card-lg .metric-value{font-size:clamp(34px,3.8vw,52px);}
.metric-label{font-size:13px;color:var(--text-3);margin-top:6px;letter-spacing:.02em;}
.metric-note{font-size:14px;color:var(--text-2);margin:12px 0 14px;}
.trend{height:4px;border-radius:2px;background:rgba(255,255,255,.07);overflow:hidden;}
.trend span{display:block;height:100%;border-radius:2px;background:linear-gradient(90deg,var(--primary-deep),var(--primary));}

/* ---------- 服务矩阵 ---------- */
.matrix-row-1{display:grid;grid-template-columns:60fr 40fr;gap:20px;}
.matrix-row-2{display:grid;grid-template-columns:32fr 36fr 32fr;gap:20px;margin-top:20px;}
.svc-card{
  display:flex;flex-direction:column;background:var(--bg-raise);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.svc-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2);}
.svc-media{aspect-ratio:16/9;overflow:hidden;background:#0b1120;}
.svc-media img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .5s ease;}
.svc-card:hover .svc-media img{transform:scale(1.04);}
.svc-body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.svc-body h3{margin:12px 0 10px;}
.svc-body p{color:var(--text-2);font-size:15px;margin-bottom:16px;}
.svc-points{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:20px;}
.svc-points li{font-size:13px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.svc-points li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);}
.svc-card .link-more{margin-top:auto;}
.svc-card-sm .svc-body{padding:26px 24px;}
.svc-icon{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:rgba(44,212,230,.09);border:1px solid rgba(44,212,230,.24);
  color:var(--primary);font-size:17px;margin-bottom:2px;
}
.svc-icon.amber{background:rgba(255,178,63,.1);border-color:rgba(255,178,63,.28);color:var(--amber);}

/* ---------- 结果对比 ---------- */
.compare-table{
  border:1px solid var(--line);border-radius:var(--radius-block);
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
  overflow:hidden;
}
.compare-head,.compare-row{
  display:grid;grid-template-columns:1.15fr 1.6fr 1.6fr;gap:18px;
  padding:18px 24px;align-items:center;
}
.compare-head{
  font-size:13px;letter-spacing:.1em;color:var(--text-3);
  background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);
}
.compare-row{border-bottom:1px solid var(--line);}
.compare-row:last-child{border-bottom:0;}
.compare-row:hover{background:rgba(44,212,230,.035);}
.c-name{font-size:15px;color:var(--text);font-weight:600;}
.c-cell{display:flex;align-items:center;gap:12px;}
.bar{height:6px;border-radius:3px;background:rgba(255,255,255,.14);min-width:26px;display:inline-block;}
.bar-primary{background:linear-gradient(90deg,var(--primary-deep),var(--primary));box-shadow:0 0 14px rgba(44,212,230,.3);}
.bar-amber{background:linear-gradient(90deg,rgba(255,178,63,.55),var(--amber));}
.c-val{font-family:var(--mono);font-size:13px;color:var(--text-3);font-weight:600;letter-spacing:.02em;white-space:nowrap;}
.c-val-good{color:var(--amber);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.news-card{
  background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1);}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit;text-decoration:none;}
.news-link:hover{color:inherit;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#0b1120;}
.news-thumb img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-title{
  font-size:16px;font-weight:600;line-height:1.5;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-title{color:var(--primary);}
.news-desc{
  font-size:14px;color:var(--text-2);line-height:1.7;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;}
.news-meta time{font-family:var(--mono);font-size:12px;color:var(--text-3);letter-spacing:.02em;}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:52px 20px;border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--text-3);font-size:15px;text-align:center;margin:0;
}
.empty-state i{font-size:26px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start;}
.faq-intro h2{margin:14px 0 12px;}
.faq-intro p{color:var(--text-2);font-size:15px;}
.rl-accordion .accordion-item{background:transparent;border:0;border-top:1px solid var(--line);}
.rl-accordion .accordion-item:last-child{border-bottom:1px solid var(--line);}
.rl-accordion .accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:600;
  padding:20px 46px 20px 0;border-radius:0;box-shadow:none;
  transition:color .2s ease,padding-left .25s ease,background .25s ease;
}
.rl-accordion .accordion-button::after{
  background-image:none;content:"";position:absolute;right:6px;top:50%;
  width:11px;height:11px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease,border-color .25s ease;
}
.rl-accordion .accordion-button:not(.collapsed){
  color:var(--primary);background:rgba(44,212,230,.045);
  box-shadow:inset 2px 0 0 var(--primary);padding-left:16px;
}
.rl-accordion .accordion-button:not(.collapsed)::after{border-color:var(--primary);transform:translateY(-25%) rotate(-135deg);}
.rl-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px;}
.rl-accordion .accordion-body{color:var(--text-2);font-size:15px;padding:0 0 20px 0;max-width:720px;}
.rl-accordion .accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{padding-left:16px;}

/* ---------- 转化表单 ---------- */
.apply-grid{display:grid;grid-template-columns:40fr 60fr;gap:48px;align-items:start;}
.apply-copy h2{margin:14px 0 18px;}
.apply-points{display:flex;flex-direction:column;gap:16px;margin-bottom:28px;}
.apply-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;}
.apply-points li i{color:var(--primary);margin-top:5px;font-size:13px;}
.apply-points li b{display:block;font-size:15px;color:var(--text);font-weight:600;}
.apply-points li span{color:var(--text-2);font-size:14px;line-height:1.7;}
.apply-contact{padding-top:20px;border-top:1px solid var(--line);}
.apply-contact p{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);margin:0 0 10px;}
.apply-contact i{color:var(--primary);}
.form-card{
  padding:clamp(22px,3vw,32px);border-radius:var(--radius-block);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-2);
}
.form-label{font-size:14px;color:var(--text-2);margin-bottom:8px;font-weight:400;}
.form-control,.form-select{
  background-color:rgba(5,7,14,.62);border:1px solid var(--line);color:var(--text);
  border-radius:var(--radius-btn);padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus,.form-select:focus{
  background-color:rgba(5,7,14,.8);border-color:var(--primary);color:var(--text);
  box-shadow:0 0 0 3px rgba(44,212,230,.16);outline:none;
}
.form-select option{background:#0A0F1C;color:var(--text);}
.form-check-input{background-color:rgba(5,7,14,.7);border:1px solid var(--line);width:18px;height:18px;margin-top:4px;}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(44,212,230,.18);border-color:var(--primary);}
.form-check-label{font-size:14px;color:var(--text-2);}
.btn-block{width:100%;}
.form-tip{font-size:13px;color:var(--text-3);margin:14px 0 0;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,7vw,104px);background:var(--bg-deep);
  border-top:1px solid var(--line);padding:clamp(48px,6vw,76px) 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin:16px 0 18px;max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12px;color:var(--text-2);padding:3px 10px;border-radius:6px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.footer-col h4{font-size:15px;margin:0 0 18px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-col p{font-size:14px;color:var(--text-2);margin:0 0 10px;}
.footer-bottom{
  margin-top:clamp(36px,4vw,56px);border-top:1px solid var(--line);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:1040;width:44px;height:44px;
  display:grid;place-items:center;border-radius:var(--radius-btn);
  background:rgba(16,24,39,.9);border:1px solid var(--line-strong);color:var(--primary);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:rgba(44,212,230,.12);box-shadow:var(--glow);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:8px 9px;font-size:14px;}
  .nav-left{gap:18px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  :root{--nav-h:56px;}
  .nav-channels{display:none;}
  .nav-right::before,.nav-right::after{display:none;}
  .nav-right{padding-left:0;}
  .nav-right .icon-btn{display:none;}
  .menu-toggle{display:grid;}
  .hero{padding-top:calc(var(--nav-h) + 48px);}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix-row-1,.matrix-row-2{grid-template-columns:1fr;}
  .faq-grid,.apply-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  :root{--gutter:16px;}
  body{font-size:15.5px;}
  .section{padding:56px 0;}
  .news-grid{grid-template-columns:1fr;}
  .compare-head{display:none;}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:18px 18px 20px;}
  .c-cell{justify-content:flex-start;}
  .c-name{font-size:15px;padding-bottom:4px;border-bottom:1px dashed var(--line);}
  .btn-cta,.btn-ghost{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-top{right:16px;bottom:18px;}
}
@media (max-width:575.98px){
  .metrics-grid{grid-template-columns:1fr;}
  .hero-badge{font-size:12px;}
  .glass-panel{left:12px;right:12px;bottom:12px;padding:14px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-deep:#05070E;
  --bg:#0A0F1C;
  --surface:#101827;
  --surface-2:#141D2E;
  --primary:#2CD4E6;
  --primary-dark:#0E8DC0;
  --amber:#FFB23F;
  --text:#E9F0FA;
  --text-2:#A3B0C6;
  --text-3:#6E7C93;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(44,212,230,.35);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-block:18px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.5);
  --glow:0 8px 26px rgba(44,212,230,.32);
  --nav-h:64px;
  --space-section:clamp(56px,7vw,104px);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(900px 520px at 78% -12%,rgba(44,212,230,.13),transparent 62%),
    radial-gradient(700px 480px at 6% 4%,rgba(14,141,192,.10),transparent 60%),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
}
body > *{position:relative;z-index:1}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--primary);text-decoration:none;transition:color .22s ease,border-color .22s ease,background-color .22s ease}
a:hover{color:#7FE7F3}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4,h5{margin:0;font-weight:600;line-height:1.28;letter-spacing:.01em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1280px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(10,15,28,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(5,7,14,.94);box-shadow:0 12px 30px rgba(0,0,0,.45)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%}
.nav-left{display:flex;align-items:center;gap:26px;flex:0 1 62%;min-width:0}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex:0 1 38%;
  padding-left:20px;border-left:1px solid var(--line);position:relative}
.nav-right::before{
  content:"";position:absolute;left:-4px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px rgba(44,212,230,.9)
}
.brand{display:inline-flex;align-items:center;gap:10px;height:36px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(180deg,rgba(44,212,230,.16),rgba(44,212,230,.04));border:1px solid var(--line-strong)}
.brand-text{font-size:17px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:22px;min-width:0;overflow:hidden}
.nav-link{
  position:relative;color:var(--text-2);font-size:15px;padding:6px 0;white-space:nowrap;
}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:transparent;border-radius:2px;transition:background-color .22s ease}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{background:var(--primary)}
.nav-link.active{color:var(--text);font-weight:600}
.nav-link.active::after{background:var(--primary)}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);
  border-radius:var(--radius-btn);cursor:pointer;transition:all .22s ease
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-1px)}
.menu-toggle{display:none}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--primary);color:#04202A;font-weight:600;
  border-radius:var(--radius-btn);padding:11px 20px;font-size:15px;border:1px solid transparent;
  transition:all .22s ease;box-shadow:var(--glow)
}
.btn-cta:hover{color:#04202A;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 32px rgba(44,212,230,.42)}
.btn-cta-sm{padding:9px 16px;font-size:14px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-btn);padding:11px 20px;font-size:15px;transition:all .22s ease
}
.btn-outline:hover{color:var(--primary);border-color:var(--line-strong);transform:translateY(-1px)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:15px;padding:8px 0}
.btn-ghost:hover{color:var(--primary)}
.mobile-panel{
  position:fixed;top:var(--nav-h);left:0;right:0;z-index:59;
  background:rgba(5,7,14,.98);border-bottom:1px solid var(--line);
  padding:18px 24px 24px;display:none;flex-direction:column;gap:6px;
  max-height:calc(100vh - var(--nav-h));overflow-y:auto
}
.mobile-panel.open{display:flex}
.mobile-panel .nav-link{padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
.mobile-panel .nav-link::after{display:none}
.mobile-panel .btn-cta{margin-top:16px;width:100%}

/* ============ 页头 / 面包屑 ============ */
.crumb-bar{padding:22px 0 4px;border-bottom:1px solid var(--line);margin-bottom:0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .cur{color:var(--text-2)}

/* ============ 文章布局 ============ */
.article-shell{padding:clamp(28px,4vw,52px) 0 var(--space-section)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 264px;gap:48px}
}
.article-main{min-width:0;max-width:800px;width:100%}
@media (min-width:1200px){.article-main{max-width:none}}

.article-head{margin-bottom:28px}
.badge-cat{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);
  border:1px solid var(--line-strong);background:rgba(44,212,230,.08);
  border-radius:6px;padding:5px 12px;letter-spacing:.04em
}
.article-title{
  font-size:clamp(32px,4.2vw,54px);line-height:1.2;margin:18px 0 14px;letter-spacing:.01em
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-family:var(--font-mono);font-size:13px;color:var(--text-3);letter-spacing:.02em
}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--primary);opacity:.85}

.lead-glass{
  margin-top:22px;padding:22px 24px;border-radius:var(--radius-block);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);color:var(--text-2);font-size:15px;line-height:1.85
}
.lead-glass strong{color:var(--text);font-weight:600}

/* 正文 */
.article-body{
  font-size:16px;line-height:1.85;color:var(--text-2);
  border-top:1px solid var(--line);padding-top:30px
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(24px,2.6vw,34px);color:var(--text);
  margin:44px 0 16px;padding-left:14px;border-left:2px solid var(--primary);line-height:1.35
}
.article-body h3{font-size:20px;color:var(--text);margin:32px 0 12px}
.article-body h4{font-size:17px;color:var(--text);margin:24px 0 10px}
.article-body p{color:var(--text-2);margin:0 0 18px}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(44,212,230,.35)}
.article-body strong{color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;color:var(--text-2)}
.article-body ul li,.article-body ol li{list-style:disc;margin-bottom:10px}
.article-body ol li{list-style:decimal}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:rgba(44,212,230,.06);border-radius:0 var(--radius-img) var(--radius-img) 0;color:var(--text-2)
}
.article-body img{margin:24px 0;width:100%;height:auto}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;color:var(--text-2)}
.article-body th{background:rgba(255,255,255,.04);color:var(--text);font-weight:600}
.article-body code{font-family:var(--font-mono);font-size:.92em;background:rgba(255,255,255,.08);padding:2px 7px;border-radius:5px;color:var(--text)}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 26px;border:1px dashed var(--line);
  border-radius:var(--radius-block);background:rgba(255,255,255,.02)
}
.empty-state i{font-size:30px;color:var(--primary);opacity:.7}
.empty-state h2{font-size:20px;color:var(--text);margin:16px 0 8px}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:22px}

/* 侧栏目录 */
.side-col{min-width:0}
.toc-card{
  position:sticky;top:calc(var(--nav-h) + 24px);
  padding:20px 20px 22px;border-radius:var(--radius-card);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1)
}
.toc-card h3{font-size:14px;color:var(--text-3);letter-spacing:.08em;font-weight:600;margin-bottom:14px}
.toc-card ul li{margin-bottom:10px}
.toc-card a{font-size:14px;color:var(--text-2);display:block;padding-left:12px;border-left:1px solid var(--line);line-height:1.6}
.toc-card a:hover,.toc-card a.on{color:var(--primary);border-left-color:var(--primary)}
.side-note{margin-top:18px;padding:18px;border-radius:var(--radius-card);background:rgba(255,178,63,.06);border:1px solid rgba(255,178,63,.22)}
.side-note h4{font-size:14px;color:var(--amber);margin-bottom:8px}
.side-note p{font-size:13px;color:var(--text-2);margin:0;line-height:1.8}
@media (max-width:1199px){
  .side-col{margin-top:34px}
  .toc-card{position:static}
}

/* 尾部入口 */
.tail-links{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)
}

/* 相关推荐 */
.related{padding:var(--space-section) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px)}
.sec-head p{color:var(--text-3);font-size:14px;margin:8px 0 0}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;height:100%
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease}
.rel-card:hover .thumb img{transform:scale(1.04)}
.rel-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;color:var(--text);line-height:1.5}
.rel-card p{font-size:14px;color:var(--text-3);margin:0}
.rel-card .go{margin-top:auto;font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
@media (max-width:991px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){.rel-grid{grid-template-columns:1fr}}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:clamp(46px,6vw,72px) 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand p{color:var(--text-3);font-size:14px;margin:16px 0 18px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{font-size:12px;color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);border-radius:6px;padding:4px 10px}
.footer-col h4{font-size:14px;color:var(--text);letter-spacing:.06em;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary)}
.footer-col p{font-size:13px;color:var(--text-3);margin:0 0 9px}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:var(--text-3)
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;gap:26px}.footer-bottom{flex-direction:column}}

/* 返回顶部 */
.backtop{
  position:fixed;right:22px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:var(--radius-btn);
  display:none;align-items:center;justify-content:center;cursor:pointer;
  background:rgba(16,24,39,.92);border:1px solid var(--line-strong);color:var(--primary);
  box-shadow:var(--shadow-1);backdrop-filter:blur(10px)
}
.backtop.show{display:inline-flex}
.backtop:hover{transform:translateY(-2px);box-shadow:var(--glow)}

@media (max-width:991px){
  .nav-channels{display:none}
  .menu-toggle{display:inline-flex}
  .nav-right{border-left:none;padding-left:0;flex:0 0 auto}
  .nav-right::before{display:none}
  .nav-left{flex:1 1 auto}
}
@media (max-width:575px){
  :root{--nav-h:56px}
  .btn-cta-sm{display:none}
  .article-title{margin-top:14px}
  body{font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg:#0A0F1C;
  --bg-deep:#05070E;
  --surface:#101827;
  --surface-glass:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(44,212,230,.35);
  --main:#2CD4E6;
  --main-deep:#0E8DC0;
  --amber:#FFB23F;
  --text:#E9F0FA;
  --text-2:#A3B0C6;
  --text-3:#6E7C93;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-wrap:18px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.5);
  --glow:0 8px 26px rgba(44,212,230,.32);
  --nav-h:64px;
  --sec-gap:clamp(56px,7vw,104px);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(900px 520px at 78% -8%,rgba(44,212,230,.14),transparent 62%),
    radial-gradient(700px 420px at 8% 4%,rgba(14,141,192,.12),transparent 66%),
    linear-gradient(rgba(255,255,255,.038) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.038) 1px,transparent 1px);
  background-size:auto,auto,24px 24px,24px 24px;
}
header,main,footer{position:relative;z-index:1}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--main)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:600;line-height:1.3;color:var(--text)}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px}
::selection{background:rgba(44,212,230,.28)}

.container{
  width:100%;
  max-width:1280px;
  margin-inline:auto;
  padding-inline:24px;
}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:768px){.container{padding-inline:16px}}

.mono{font-family:var(--font-mono);letter-spacing:.02em}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(10,15,28,.74);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(5,7,14,.95);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:var(--nav-h);
}
.nav-left{display:flex;align-items:center;gap:22px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;
  background:rgba(44,212,230,.08);
  border:1px solid rgba(44,212,230,.26);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.brand:hover .brand-mark{border-color:var(--main);box-shadow:0 0 0 3px rgba(44,212,230,.12)}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.nav-channels{
  position:relative;
  display:flex;
  align-items:center;
  gap:4px;
  padding-left:22px;
}
.nav-channels::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:20px;background:var(--line);
}
.nav-link{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--main);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--main)}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  background:transparent;border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--line-strong);color:var(--main);background:rgba(44,212,230,.06)}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  background:var(--main);
  color:#04141a;
  font-weight:600;
  border:1px solid var(--main);
  box-shadow:var(--glow);
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-cta:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04141a;box-shadow:0 12px 30px rgba(44,212,230,.44)}
.btn-cta:active{transform:translateY(0)}
.btn-cta-sm{padding:9px 18px;font-size:15px}
.menu-toggle{display:none}

/* ============ 按钮体系 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  background:var(--main);border:1px solid var(--main);color:#04141a;
  font-weight:600;box-shadow:var(--glow);cursor:pointer;
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04141a;box-shadow:0 12px 30px rgba(44,212,230,.44)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--text);
  font-weight:600;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.btn-outline:hover{border-color:var(--main);color:var(--main);background:rgba(44,212,230,.05);transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 0;border:0;background:none;color:var(--text-2);
  font-weight:600;cursor:pointer;transition:color .2s ease,gap .2s ease;
}
.btn-ghost:hover{color:var(--main);gap:12px}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--main);font-weight:600;font-size:15px;
  transition:gap .2s ease;
}
.link-more:hover{gap:12px;color:var(--main)}

.badge-tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:6px;
  font-size:13px;font-weight:600;
  color:var(--main);
  background:rgba(44,212,230,.10);
  border:1px solid rgba(44,212,230,.28);
}
.badge-tag.is-amber{color:var(--amber);background:rgba(255,178,63,.10);border-color:rgba(255,178,63,.30)}

/* ============ 页头 ============ */
.page-head{
  position:relative;
  padding:56px 0 60px;
  border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(90deg,rgba(5,7,14,.96) 0%,rgba(5,7,14,.86) 46%,rgba(5,7,14,.62) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center right;
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0 0 auto;height:1px;
  background:linear-gradient(90deg,transparent,rgba(44,212,230,.5),transparent);
}
.crumb{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.crumb a{color:var(--text-3);transition:color .2s ease}
.crumb a:hover{color:var(--main)}
.crumb .sep{color:rgba(255,255,255,.18)}
.head-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.head-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  border:1px solid rgba(44,212,230,.30);
  background:rgba(44,212,230,.07);
  color:var(--main);font-size:13px;font-weight:600;
  margin-bottom:20px;
}
.head-kicker i{font-size:11px}
.page-head h1{
  font-size:clamp(32px,4.2vw,50px);
  line-height:1.2;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-head h1 em{font-style:normal;color:var(--main)}
.head-sub{
  max-width:620px;
  color:var(--text-2);
  font-size:17px;
  margin-bottom:26px;
}
.head-actions{display:flex;flex-wrap:wrap;gap:14px}
.glass{
  background:var(--surface-glass);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-wrap);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-2);
}
.head-panel{padding:24px 24px 20px}
.head-panel-title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);margin-bottom:16px;
}
.head-panel-title span:last-child{color:var(--main)}
.mini-metric{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);
}
.mini-metric:last-of-type{border-bottom:0}
.mini-metric .label{font-size:14px;color:var(--text-2)}
.mini-metric .value{font-family:var(--font-mono);font-size:24px;font-weight:600;color:var(--main)}
.mini-metric .value.amber{color:var(--amber)}

/* ============ 区块通用 ============ */
.section{padding-block:var(--sec-gap)}
.section-tight{padding-block:clamp(40px,5vw,64px)}
.sec-head{max-width:800px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.sec-head p{color:var(--text-2)}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:13px;letter-spacing:.12em;
  color:var(--main);text-transform:uppercase;
  margin-bottom:12px;
}

/* ============ 指标条 ============ */
.metric-row{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:18px;
}
.metric-item{
  position:relative;
  padding:22px 22px 20px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.metric-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;
  background:var(--main);border-radius:2px;
}
.metric-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.metric-value{
  font-family:var(--font-mono);
  font-size:clamp(28px,3vw,40px);
  font-weight:600;color:var(--main);
  line-height:1.15;letter-spacing:.02em;
}
.metric-label{font-size:13px;color:var(--text-3);margin-top:6px}
.metric-desc{font-size:14px;color:var(--text-2);margin-top:12px}
.trend{
  margin-top:14px;height:6px;border-radius:6px;
  background:rgba(255,255,255,.06);overflow:hidden;
}
.trend span{display:block;height:100%;width:82%;border-radius:6px;background:linear-gradient(90deg,var(--main-deep),var(--main))}

/* ============ 侧栏目录 ============ */
.toc{
  position:sticky;
  top:calc(var(--nav-h) + 24px);
  padding:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
}
.toc-title{
  font-size:13px;color:var(--text-3);
  letter-spacing:.08em;text-transform:uppercase;
  font-family:var(--font-mono);
  padding-bottom:14px;margin-bottom:10px;
  border-bottom:1px solid var(--line);
}
.toc-link{
  display:block;
  padding:10px 12px;
  font-size:15px;
  color:var(--text-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.03)}
.toc-link.active{color:var(--main);border-left-color:var(--main);background:rgba(44,212,230,.06)}

/* ============ 条目卡列表 ============ */
.entry-list{display:flex;flex-direction:column;gap:20px}
.entry-card{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:24px;
  padding:20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.entry-thumb{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--bg-deep);
  aspect-ratio:16/10;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(44,212,230,.16),rgba(5,7,14,.42));
}
.entry-body{display:flex;flex-direction:column;gap:10px;padding:6px 6px 6px 0}
.entry-body h3{font-size:20px;transition:color .2s ease}
.entry-card:hover .entry-body h3{color:var(--main)}
.entry-body p{color:var(--text-2);font-size:15px;margin:0}
.entry-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:auto;padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);
}
.entry-meta .mono{color:var(--text-3)}
.entry-meta .link-more{margin-left:auto;font-size:14px}

/* ============ 覆盖范围标签 ============ */
.scope-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.scope-card{
  padding:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.scope-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-2)}
.scope-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  background:rgba(44,212,230,.08);
  border:1px solid rgba(44,212,230,.24);
  color:var(--main);font-size:17px;
  margin-bottom:16px;
}
.scope-card h3{font-size:17px;margin-bottom:10px}
.scope-card p{font-size:14px;color:var(--text-2);margin:0}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.chip i{color:var(--main);font-size:11px}
.chip:hover{color:var(--text);border-color:var(--line-strong);background:rgba(44,212,230,.06)}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:48px;
  align-items:start;
}
.faq-side h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px}
.faq-side p{color:var(--text-2);margin-bottom:22px}
.faq-acc .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:600;
  padding:20px 18px;
  border-radius:0;
  box-shadow:none;
  transition:color .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--main);
  background:rgba(44,212,230,.05);
  box-shadow:inset 2px 0 0 var(--main);
}
.faq-acc .accordion-button:focus{box-shadow:inset 2px 0 0 var(--main);border-color:transparent}
.faq-acc .accordion-button::after{
  content:"";
  width:9px;height:9px;
  margin-left:auto;
  background-image:none;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  transition:transform .28s ease,border-color .28s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
  border-color:var(--main);
}
.faq-acc .accordion-body{
  padding:4px 20px 24px;
  color:var(--text-2);
  font-size:15px;
}

/* ============ CTA ============ */
.cta-band{padding-block:clamp(40px,5vw,72px) clamp(56px,7vw,96px)}
.cta-card{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
  padding:clamp(28px,3.4vw,44px);
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(44,212,230,.20),transparent 68%);
  pointer-events:none;
}
.cta-card h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.cta-card p{color:var(--text-2);max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:20px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.cta-points i{color:var(--main);font-size:12px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch}
.cta-note{
  font-size:13px;color:var(--text-3);
  padding-top:14px;border-top:1px dashed var(--line);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding-top:clamp(48px,6vw,76px);
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand p{color:var(--text-2);font-size:14px;margin:18px 0 16px;max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  padding:5px 12px;border-radius:6px;
  font-size:12px;color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--main)}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:180;
  width:44px;height:44px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(16,24,39,.92);
  border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,color .2s ease,border-color .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--main);border-color:var(--line-strong)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .head-grid{grid-template-columns:1fr;gap:32px}
  .head-panel{max-width:520px}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .scope-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .nav-channels{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 16px 18px;
    background:rgba(5,7,14,.98);
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);
    display:none;
  }
  .nav-channels.open{display:flex}
  .nav-channels::before{display:none}
  .nav-link{padding:13px 12px;font-size:16px}
  .nav-link::after{left:12px;right:auto;width:22px;bottom:6px}
  .menu-toggle{display:inline-flex}
  .icon-btn[aria-label="搜索站内核验信息"]{display:none}
  .entry-card{grid-template-columns:200px minmax(0,1fr);gap:20px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .toc{position:static;margin-bottom:26px}
  .cta-card{grid-template-columns:1fr;gap:26px}
}
@media (max-width:767.98px){
  :root{--nav-h:56px}
  .section{padding-block:56px}
  .page-head{padding:40px 0 46px}
  .head-sub{font-size:16px}
  .head-actions .btn-primary,.head-actions .btn-outline{flex:1 1 100%}
  .metric-row{grid-template-columns:1fr}
  .scope-grid{grid-template-columns:1fr}
  .entry-card{grid-template-columns:1fr;padding:16px}
  .entry-thumb{aspect-ratio:16/9}
  .entry-body{padding:0}
  .entry-meta .link-more{margin-left:0;width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .nav-right .btn-cta-sm{padding:8px 14px;font-size:14px}
  .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#0A0F1C;
  --bg-deep:#05070E;
  --surface:#101827;
  --surface-2:#162034;
  --primary:#2CD4E6;
  --primary-deep:#0E8DC0;
  --amber:#FFB23F;
  --text:#E9F0FA;
  --text-2:#A3B0C6;
  --text-3:#6E7C93;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --line-accent:rgba(44,212,230,.35);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-sec:18px;
  --r-badge:6px;
  --sh-1:0 10px 30px rgba(0,0,0,.35);
  --sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-glow:0 8px 26px rgba(44,212,230,.32);
  --nav-h:64px;
  --sp-sec:clamp(56px,7vw,104px);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-bg:#0A0F1C;
  --bs-body-color:#E9F0FA;
  --bs-link-color:#2CD4E6;
  --bs-link-hover-color:#7CE6F2;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-font-sans-serif:var(--sans);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px,24px 24px;
  opacity:.5;
}
body::after{
  content:"";
  position:fixed;
  top:-260px;
  left:50%;
  transform:translateX(-50%);
  width:1100px;
  height:620px;
  pointer-events:none;
  z-index:0;
  background:radial-gradient(closest-side,rgba(44,212,230,.14),rgba(44,212,230,0));
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}
.mono{font-family:var(--mono);letter-spacing:.02em;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(10,15,28,.72);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(5,7,14,.94);
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
}
.nav-left{
  display:flex;
  align-items:center;
  gap:30px;
  flex:1 1 auto;
  min-width:0;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  flex:0 0 auto;
  height:34px;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:9px;
  border:1px solid var(--line-accent);
  background:linear-gradient(180deg,rgba(44,212,230,.14),rgba(44,212,230,.02));
}
.brand-text{
  font-size:17px;
  font-weight:600;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.nav-channels{
  display:flex;
  align-items:center;
  gap:24px;
  min-width:0;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after,
.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--text);font-weight:600;}
.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  position:relative;
  padding-left:22px;
}
.nav-right::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:1px;
  height:22px;
  background:var(--line-2);
}
.nav-right::after{
  content:"";
  position:absolute;
  left:-2.5px;
  top:50%;
  transform:translateY(-50%);
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(44,212,230,.9);
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--line-accent);color:var(--primary);background:rgba(44,212,230,.06);}
.menu-toggle{display:none;}
.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--primary);
  color:#05222A;
  font-weight:600;
  font-size:15px;
  border:0;
  border-radius:var(--r-btn);
  padding:12px 22px;
  cursor:pointer;
  box-shadow:var(--sh-glow);
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 30px rgba(44,212,230,.42);color:#05222A;}
.btn-cta:active{transform:translateY(1px);}
.btn-cta-sm{padding:9px 16px;font-size:14px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--text);
  font-weight:600;
  font-size:15px;
  border:1px solid var(--line-2);
  border-radius:var(--r-btn);
  padding:12px 22px;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost-sm{padding:9px 16px;font-size:14px;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  padding:52px 0 62px;
  border-bottom:1px solid var(--line);
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(5,7,14,.97) 0%,rgba(5,7,14,.9) 46%,rgba(5,7,14,.66) 100%);
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:24px 24px,24px 24px;
  opacity:.6;
}
.page-head .container{position:relative;z-index:2;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.crumb a{color:var(--text-3);transition:color .2s ease;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(255,255,255,.2);}
.crumb .cur{color:var(--text-2);}
.head-grid{
  display:grid;
  grid-template-columns:minmax(0,1.16fr) minmax(0,.84fr);
  gap:40px;
  align-items:center;
}
.badge-key{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:rgba(44,212,230,.1);
  border:1px solid var(--line-accent);
  border-radius:var(--r-badge);
  padding:6px 12px;
  letter-spacing:.02em;
}
.badge-key i{font-size:11px;}
.page-head h1{
  font-size:clamp(32px,4.2vw,54px);
  line-height:1.2;
  margin:18px 0 16px;
}
.page-head .lead{
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:640px;
  margin-bottom:26px;
}
.head-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:26px;
}
.head-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
}
.head-points li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
}
.head-points i{color:var(--primary);font-size:12px;}
.glass{
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-sec);
  box-shadow:var(--sh-1);
}
.head-panel{
  padding:24px 24px 20px;
}
.head-panel .panel-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
  letter-spacing:.04em;
}
.live-dot{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-size:12px;
}
.live-dot::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(44,212,230,.9);
}
.mini-metrics{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.mini-metrics .item{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-left:2px solid var(--primary);
  border-radius:var(--r-badge);
  padding:12px 12px 10px;
}
.mini-metrics .num{
  font-family:var(--mono);
  font-size:22px;
  font-weight:600;
  color:var(--primary);
  letter-spacing:.02em;
  line-height:1.2;
}
.mini-metrics .num small{font-size:12px;color:var(--text-3);margin-left:2px;}
.mini-metrics .cap{
  font-size:12px;
  color:var(--text-3);
  margin-top:4px;
  line-height:1.5;
}
.head-panel .panel-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.head-panel .panel-foot i{color:var(--amber);}

/* ---------- Section base ---------- */
main{position:relative;z-index:1;}
.section{padding:var(--sp-sec) 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(16,24,39,.72),rgba(10,15,28,0));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.sec-head{
  max-width:760px;
  margin-bottom:38px;
}
.sec-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--primary);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.sec-head .eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.32;
  margin-bottom:14px;
}
.sec-head p{
  font-size:15.5px;
  color:var(--text-2);
  margin:0;
  max-width:720px;
}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:12px;color:#7CE6F2;}

/* ---------- Flow ---------- */
.flow-progress{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:8px;
  margin-bottom:34px;
}
.flow-progress span{
  height:4px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary-deep),var(--primary));
  opacity:.85;
  transition:opacity .2s ease,transform .2s ease;
}
.flow-progress span:hover{opacity:1;transform:translateY(-2px);}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.flow-step{
  position:relative;
  padding:22px 22px 20px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.flow-step::before{
  content:"";
  position:absolute;
  left:0;
  top:22px;
  bottom:22px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),rgba(44,212,230,.05));
}
.flow-step:hover{transform:translateY(-3px);border-color:var(--line-accent);box-shadow:var(--sh-2);}
.flow-step .step-num{
  font-family:var(--mono);
  font-size:13px;
  color:var(--primary);
  letter-spacing:.08em;
  margin-bottom:10px;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}

/* ---------- Scene cards ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr);
  gap:22px;
  align-items:start;
}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;
  flex-direction:column;
}
.scene-card:hover{transform:translateY(-3px);border-color:var(--line-accent);box-shadow:var(--sh-2);}
.scene-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
}
.scene-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.scene-card:hover .thumb img{transform:scale(1.04);}
.scene-card .thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.05),rgba(5,7,14,.72));
}
.scene-card .body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.scene-card h3{font-size:19px;}
.scene-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.scene-card .mini-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.scene-card .mini-list li{
  display:flex;
  gap:9px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.scene-card .mini-list i{color:var(--primary);font-size:12px;margin-top:8px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  color:var(--text-2);
  border:1px solid var(--line-2);
  border-radius:var(--r-badge);
  padding:4px 9px;
  line-height:1.6;
}
.tag.tag-amber{color:var(--amber);border-color:rgba(255,178,63,.4);background:rgba(255,178,63,.08);}
.scene-card .icon-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line-accent);
  background:rgba(44,212,230,.08);
  color:var(--primary);
  font-size:16px;
}

/* ---------- Compare ---------- */
.compare{
  border:1px solid var(--line);
  border-radius:var(--r-sec);
  background:var(--surface);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.compare-head{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  gap:18px;
  padding:16px 24px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
  letter-spacing:.04em;
  background:rgba(255,255,255,.02);
}
.compare-head .col-here{color:var(--primary);}
.compare-row{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
  gap:18px;
  align-items:center;
  padding:18px 24px;
  border-bottom:1px solid var(--line);
}
.compare-row:last-child{border-bottom:0;}
.compare-row .name{
  font-size:15px;
  font-weight:600;
  color:var(--text);
}
.compare-row .name small{
  display:block;
  font-weight:400;
  font-size:12.5px;
  color:var(--text-3);
  margin-top:3px;
}
.bar-cell{display:flex;align-items:center;gap:12px;}
.bar{
  position:relative;
  flex:1 1 auto;
  height:8px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
  min-width:60px;
}
.bar span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,rgba(14,141,192,.85),var(--primary));
}
.bar.amber span{background:linear-gradient(90deg,rgba(199,126,30,.9),var(--amber));}
.bar-val{
  font-family:var(--mono);
  font-size:13px;
  color:var(--text-2);
  min-width:60px;
  text-align:right;
}
.bar-val.amber{color:var(--amber);}

/* ---------- Metrics ---------- */
.kpi-grid{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:20px;
}
.kpi{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:2px solid var(--primary);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,border-color .25s ease;
}
.kpi:hover{transform:translateY(-3px);border-color:var(--line-accent);}
.kpi.wide{grid-column:span 3;}
.kpi.narrow{grid-column:span 1;}
.kpi .num{
  font-family:var(--mono);
  font-size:clamp(28px,3.2vw,42px);
  font-weight:600;
  color:var(--primary);
  line-height:1.15;
  letter-spacing:.02em;
}
.kpi .num small{font-size:14px;color:var(--text-3);margin-left:3px;font-family:var(--sans);}
.kpi .cap{
  font-size:13px;
  color:var(--text-3);
  margin-top:8px;
  line-height:1.6;
}
.kpi .trend{
  display:flex;
  align-items:flex-end;
  gap:5px;
  height:34px;
  margin-top:14px;
}
.kpi .trend i{
  display:block;
  width:10px;
  border-radius:3px 3px 0 0;
  background:linear-gradient(180deg,var(--primary),rgba(44,212,230,.15));
  opacity:.85;
}
.kpi .trend i:nth-child(1){height:38%;}
.kpi .trend i:nth-child(2){height:56%;}
.kpi .trend i:nth-child(3){height:44%;}
.kpi .trend i:nth-child(4){height:72%;}
.kpi .trend i:nth-child(5){height:60%;}
.kpi .trend i:nth-child(6){height:88%;}
.kpi .trend i:nth-child(7){height:96%;}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,2fr);
  gap:48px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(24px,2.6vw,34px);
  margin-bottom:14px;
}
.faq-aside p{font-size:15px;color:var(--text-2);}
.faq-aside .contact-line{
  margin-top:22px;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--text-3);
}
.faq-aside .contact-line strong{
  display:block;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  margin-bottom:4px;
}
.faq-accordion .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.faq-accordion .accordion-item:first-of-type{border-top:1px solid var(--line);}
.faq-accordion .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  padding:18px 34px 18px 16px;
  border-left:2px solid transparent;
  border-radius:0;
  box-shadow:none;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.faq-accordion .accordion-button:hover{color:var(--primary);background:rgba(44,212,230,.04);}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);
  border-left-color:var(--primary);
  background:rgba(44,212,230,.05);
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{box-shadow:none;}
.faq-accordion .accordion-button::after{
  content:"";
  position:absolute;
  right:14px;
  width:9px;
  height:9px;
  margin:0;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  background-image:none !important;
  transform:rotate(45deg);
  transition:transform .25s ease,border-color .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  border-color:var(--primary);
  transform:rotate(-135deg);
}
.faq-accordion .accordion-body{
  padding:0 34px 22px 18px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- Apply ---------- */
.apply-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);
  gap:44px;
  align-items:start;
}
.apply-aside h2{
  font-size:clamp(24px,2.6vw,34px);
  margin-bottom:16px;
}
.apply-aside p{font-size:15px;color:var(--text-2);}
.apply-aside .aside-points{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin:24px 0;
}
.apply-aside .aside-points li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.75;
}
.apply-aside .aside-points i{color:var(--primary);font-size:12px;margin-top:8px;}
.aside-contact{
  border-top:1px solid var(--line);
  padding-top:20px;
  font-size:14px;
  color:var(--text-3);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.aside-contact strong{color:var(--text);font-size:15px;}
.apply-card{padding:28px;}
.form-top-tip{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--primary);
  background:rgba(44,212,230,.08);
  border:1px solid var(--line-accent);
  border-radius:var(--r-btn);
  padding:12px 14px;
  margin-bottom:20px;
}
.form-top-tip i{margin-top:5px;font-size:12px;}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{
  font-size:13.5px;
  color:var(--text-2);
  letter-spacing:.02em;
}
.field input,
.field select,
.field textarea{
  width:100%;
  background:rgba(5,7,14,.72);
  border:1px solid var(--line-2);
  border-radius:var(--r-btn);
  padding:12px 14px;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(44,212,230,.16);
  background:rgba(5,7,14,.9);
}
.field select option{background:#0A0F1C;color:var(--text);}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.7;
}
.check-row input{
  width:16px;
  height:16px;
  margin-top:5px;
  accent-color:var(--primary);
  flex:0 0 auto;
}
.form-actions{margin-top:22px;}
.form-actions .btn-cta{width:100%;padding:14px 22px;}
.form-note{
  margin-top:14px;
  font-size:12.5px;
  color:var(--text-3);
  text-align:center;
}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:56px 0 26px;
  margin-top:var(--sp-sec);
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{
  font-size:14px;
  color:var(--text-2);
  max-width:340px;
  line-height:1.8;
}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.footer-tags span{
  font-size:12px;
  color:var(--text-3);
  border:1px solid var(--line);
  border-radius:var(--r-badge);
  padding:4px 9px;
}
.footer-col h4{
  font-size:15px;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col a:hover{color:var(--primary);padding-left:4px;}
.footer-col p{
  font-size:14px;
  color:var(--text-2);
  margin-bottom:10px;
}
.footer-bottom{
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;
  right:22px;
  bottom:26px;
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line-accent);
  background:rgba(10,15,28,.9);
  color:var(--primary);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  z-index:1060;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:rgba(44,212,230,.14);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .scene-card.large{grid-column:1 / -1;}
  .kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .kpi.wide{grid-column:span 2;}
  .kpi.narrow{grid-column:span 1;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:991.98px){
  :root{--nav-h:56px;}
  .menu-toggle{display:inline-flex;}
  .nav-channels{
    position:fixed;
    top:var(--nav-h);
    left:0;
    right:0;
    bottom:0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px 20px 28px;
    background:var(--bg-deep);
    border-top:1px solid var(--line);
    transform:translateX(100%);
    transition:transform .3s ease;
    z-index:1045;
    overflow-y:auto;
  }
  body.nav-open .nav-channels{transform:translateX(0);}
  .nav-link{
    padding:15px 4px;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--primary);}
  .nav-right::after{display:none;}
  .head-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .page-head{padding:40px 0 48px;}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:minmax(0,1fr);}
  .scene-card.large{grid-column:auto;}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .kpi.wide{grid-column:span 2;}
  .kpi.narrow{grid-column:span 1;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:28px;}
  .apply-wrap{grid-template-columns:minmax(0,1fr);gap:30px;}
  .compare-head{display:none;}
  .compare-row{
    grid-template-columns:minmax(0,1fr);
    gap:12px;
    padding:20px 20px;
  }
  .compare-row .bar-cell{justify-content:space-between;}
  .compare-row .bar-cell::before{
    content:attr(data-label);
    font-size:12px;
    color:var(--text-3);
    flex:0 0 76px;
  }
  .bar-val{min-width:54px;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  body{font-size:15.5px;line-height:1.8;}
  .section{padding:56px 0;}
  .flow-progress{grid-template-columns:repeat(3,minmax(0,1fr));}
  .flow-grid{grid-template-columns:minmax(0,1fr);}
  .mini-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .head-actions .btn-cta,
  .head-actions .btn-ghost{width:100%;}
  .apply-card{padding:22px 18px;}
}
@media (max-width:575.98px){
  .kpi-grid{grid-template-columns:minmax(0,1fr);}
  .kpi.wide,
  .kpi.narrow{grid-column:span 1;}
  .mini-metrics{grid-template-columns:minmax(0,1fr);}
  .nav-right{gap:8px;padding-left:16px;}
  .brand-text{font-size:16px;}
  .page-head h1{font-size:30px;}
  .page-head .lead{font-size:15.5px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --bg:#0A0F1C;
  --bg-deep:#05070E;
  --surface:#101827;
  --surface-2:#141D2E;
  --primary:#2CD4E6;
  --primary-dark:#0E8DC0;
  --amber:#FFB23F;
  --text:#E9F0FA;
  --text-2:#A3B0C6;
  --text-3:#6E7C93;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --line-cyan:rgba(44,212,230,.35);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:18px;
  --sh-1:0 10px 30px rgba(0,0,0,.35);
  --sh-2:0 18px 44px rgba(0,0,0,.5);
  --sh-glow:0 8px 26px rgba(44,212,230,.32);
  --nav-h:64px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.55;
}
body::after{
  content:"";
  position:fixed;
  top:-260px;left:50%;
  width:1100px;height:620px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(44,212,230,.16),rgba(10,15,28,0));
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text);text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease;}
a:hover{color:var(--primary);}
ul{list-style:none;margin:0;padding:0;}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0 0 14px;font-weight:600;line-height:1.3;letter-spacing:.01em;}
h1{font-size:clamp(32px,4.2vw,54px);line-height:1.2;}
h2{font-size:clamp(24px,2.6vw,34px);}
h3{font-size:20px;}
h4{font-size:17px;}
::selection{background:rgba(44,212,230,.3);color:#fff;}

.container{max-width:1280px;padding-left:24px;padding-right:24px;position:relative;z-index:1;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:var(--nav-h);
  background:linear-gradient(180deg,rgba(6,10,20,.92),rgba(6,10,20,.72));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:background-color .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(5,7,14,.96);
  border-bottom-color:var(--line-cyan);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-wrap{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-cyan);
  border-radius:9px;
  background:rgba(44,212,230,.08);
}
.brand-text{
  font-size:17px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--text);
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--primary);}
.nav-channels{display:flex;align-items:center;gap:24px;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:2px;width:0;
  background:var(--primary);
  transition:width .28s ease,opacity .28s ease;
  opacity:0;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{width:100%;opacity:1;}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{width:100%;opacity:1;}
.nav-right{
  display:flex;align-items:center;gap:14px;
  padding-left:22px;
  border-left:1px solid var(--line);
  position:relative;
  flex-shrink:0;
}
.nav-right::before{
  content:"";
  position:absolute;
  left:-3px;top:50%;
  width:5px;height:5px;
  margin-top:-2.5px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(44,212,230,.9);
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  transition:color .25s ease,border-color .25s ease,background-color .25s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--line-cyan);background:rgba(44,212,230,.07);}
.menu-toggle{display:none;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  background:var(--primary);
  color:#04161C;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  box-shadow:var(--sh-glow);
  cursor:pointer;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-cta:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 12px 32px rgba(44,212,230,.42);color:#04161C;}
.btn-cta:active{transform:translateY(1px);}
.btn-cta:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-cta-sm{padding:9px 16px;font-size:14px;box-shadow:0 6px 20px rgba(44,212,230,.26);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;
  border:1px solid var(--line-2);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  transition:border-color .25s ease,color .25s ease,transform .22s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-quiet{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--primary);font-weight:500;
}
.btn-quiet i{transition:transform .25s ease;}
.btn-quiet:hover i{transform:translateX(4px);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  z-index:1050;
  background:rgba(8,12,22,.98);
  border-left:1px solid var(--line-cyan);
  transform:translateX(104%);
  transition:transform .34s ease;
  padding:24px 22px 28px;
  display:flex;flex-direction:column;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:auto;}
.drawer-nav a{
  padding:13px 4px;
  font-size:16px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);}
.drawer-cta{margin-top:26px;}
.drawer-cta .btn-cta{width:100%;}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(3,5,10,.66);
  z-index:1040;
  opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 66px);
  padding-bottom:clamp(48px,6vw,82px);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,15,28,.96) 0%,rgba(10,15,28,.82) 46%,rgba(10,15,28,.6) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:rgba(255,255,255,.2);}
.crumb .current{color:var(--text-2);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--line-cyan);
  background:rgba(44,212,230,.09);
  color:var(--primary);
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(44,212,230,.9);}
.page-hero h1{max-width:880px;}
.page-hero .lead{
  max-width:720px;
  margin:18px 0 26px;
  font-size:17px;
  color:var(--text-2);
}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 30px;margin-bottom:30px;}
.hero-points li{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;color:var(--text-2);}
.hero-points i{color:var(--primary);font-size:14px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 板块通用 ============ */
section{padding:clamp(56px,7vw,104px) 0;position:relative;}
.section-head{max-width:760px;margin-bottom:clamp(30px,4vw,52px);}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--primary);
  margin-bottom:12px;
  text-transform:uppercase;
  font-family:var(--mono);
}
.section-head p{color:var(--text-2);margin-bottom:0;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ============ 指标条 ============ */
.stat-strip{padding:0;margin-top:-30px;position:relative;z-index:5;}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-2);
  border-radius:var(--r-block);
  padding:24px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-2);
}
.stat-item{position:relative;padding-left:16px;}
.stat-item::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:2px;
  background:var(--primary);
  border-radius:2px;
}
.stat-num{
  font-family:var(--mono);
  font-size:clamp(26px,2.6vw,34px);
  color:var(--primary);
  letter-spacing:.02em;
  line-height:1.2;
  text-shadow:0 6px 20px rgba(44,212,230,.28);
}
.stat-label{font-size:13px;color:var(--text-3);letter-spacing:.02em;}

/* ============ 资源卡网格 ============ */
.res-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.res-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  height:100%;
}
.res-card:hover{transform:translateY(-4px);border-color:var(--line-cyan);box-shadow:var(--sh-2);}
.res-icon{
  width:46px;height:46px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:rgba(44,212,230,.12);
  border:1px solid rgba(44,212,230,.22);
  color:var(--primary);
  font-size:18px;
  margin-bottom:18px;
}
.res-card h3{font-size:19px;margin-bottom:10px;}
.res-card p{color:var(--text-2);font-size:15px;margin-bottom:20px;}
.res-card .btn-quiet{margin-top:auto;}

/* ============ 比对要点 ============ */
.compare-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}
.compare-col{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
}
.compare-col.is-risk{border-color:rgba(255,178,63,.28);background:linear-gradient(180deg,rgba(255,178,63,.06),rgba(16,24,39,.9));}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:20px;}
.compare-col h3 i{color:var(--primary);}
.compare-col.is-risk h3 i{color:var(--amber);}
.compare-list li{
  display:flex;gap:12px;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-2);
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0;}
.compare-list .tag{
  flex-shrink:0;
  font-family:var(--mono);
  font-size:12px;
  padding:2px 8px;
  border-radius:6px;
  height:24px;
  line-height:20px;
  border:1px solid var(--line-2);
  color:var(--text-3);
}
.compare-col.is-risk .tag{border-color:rgba(255,178,63,.4);color:var(--amber);}

/* ============ FAQ ============ */
.faq-side{position:sticky;top:calc(var(--nav-h) + 32px);}
.faq-side p{color:var(--text-2);font-size:15.5px;}
.accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16.5px;
  font-weight:500;
  padding:20px 44px 20px 18px;
  box-shadow:none;
  border-left:2px solid transparent;
  transition:color .25s ease,border-color .25s ease,background-color .25s ease;
}
.accordion-button:not(.collapsed){
  color:var(--primary);
  background:rgba(44,212,230,.05);
  border-left-color:var(--primary);
  box-shadow:none;
}
.accordion-button:hover{color:var(--primary);}
.accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--primary);outline-offset:-2px;}
.accordion-button::after{
  background-image:none;
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--text-3);
  width:auto;height:auto;
  transform:none;
  position:absolute;
  right:18px;
  transition:transform .25s ease,color .25s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";color:var(--primary);}
.accordion-body{
  padding:0 44px 22px 18px;
  color:var(--text-2);
  font-size:15px;
}

/* ============ 文档位 ============ */
.doc-list{display:flex;flex-direction:column;gap:16px;}
.doc-item{
  display:flex;align-items:center;gap:20px;
  padding:22px 26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .28s ease,border-color .28s ease;
}
.doc-item:hover{transform:translateY(-3px);border-color:var(--line-cyan);}
.doc-thumb{
  width:120px;height:76px;
  border-radius:var(--r-img);
  overflow:hidden;
  flex-shrink:0;
  border:1px solid var(--line);
}
.doc-thumb img{width:100%;height:100%;object-fit:cover;}
.doc-body{flex:1;min-width:0;}
.doc-body h3{font-size:17px;margin-bottom:6px;}
.doc-body p{font-size:14.5px;color:var(--text-2);margin-bottom:0;}
.doc-meta{font-family:var(--mono);font-size:12.5px;color:var(--text-3);margin-top:6px;letter-spacing:.02em;}
.doc-action{flex-shrink:0;}

/* ============ 表单 ============ */
.apply-section{background:linear-gradient(180deg,rgba(5,7,14,.6),rgba(10,15,28,1));border-top:1px solid var(--line);}
.apply-side ul{margin-top:16px;}
.apply-side li{display:flex;gap:10px;font-size:15px;color:var(--text-2);padding:7px 0;}
.apply-side li i{color:var(--primary);margin-top:6px;font-size:13px;}
.apply-contact{
  margin-top:26px;
  padding:18px 20px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.02);
}
.apply-contact span{display:block;font-size:13px;color:var(--text-3);letter-spacing:.04em;margin-bottom:4px;}
.apply-contact strong{font-family:var(--mono);font-size:16px;color:var(--text);font-weight:500;}
.form-card{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--line-2);
  border-radius:var(--r-block);
  padding:clamp(24px,3vw,34px);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-2);
}
.form-card .form-label{font-size:14px;color:var(--text-2);margin-bottom:8px;}
.form-card .form-control,
.form-card .form-select{
  background:#0C1424;
  border:1px solid var(--line-2);
  border-radius:var(--r-btn);
  color:var(--text);
  font-size:15px;
  padding:12px 14px;
  box-shadow:none;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.form-card .form-control::placeholder{color:var(--text-3);}
.form-card .form-control:focus,
.form-card .form-select:focus{
  background:#0C1424;
  border-color:var(--primary);
  color:var(--text);
  box-shadow:0 0 0 3px rgba(44,212,230,.16);
}
.form-card .form-select option{background:#0C1424;color:var(--text);}
.form-check-input{
  background-color:#0C1424;
  border:1px solid var(--line-2);
  width:18px;height:18px;
  margin-top:4px;
}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(44,212,230,.2);border-color:var(--primary);}
.form-check-label{font-size:13.5px;color:var(--text-3);}
.form-note{margin-top:16px;font-size:13px;color:var(--text-3);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:clamp(48px,6vw,76px) 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{color:var(--text-3);font-size:14.5px;margin:16px 0 18px;max-width:330px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12.5px;
  color:var(--text-2);
  border:1px solid var(--line-2);
  border-radius:6px;
  padding:4px 10px;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14.5px;color:var(--text-3);}
.footer-col ul a:hover{color:var(--primary);}
.footer-col p{font-size:14.5px;color:var(--text-3);margin-bottom:10px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:var(--text-3);
}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:24px;bottom:26px;
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line-cyan);
  background:rgba(10,15,28,.92);
  color:var(--primary);
  z-index:1020;
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background-color .25s ease;
  cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(44,212,230,.14);}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s ease,transform .48s ease;}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-channels{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-right{padding-left:18px;}
  .res-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .compare-wrap{grid-template-columns:1fr;}
  .faq-side{position:static;margin-bottom:26px;}
  .page-hero{padding-top:calc(var(--nav-h) + 46px);}
  .drawer-nav a{display:none;}
  .drawer-nav a.show-desktop{display:none;}
}
@media (max-width:991.98px){
  .drawer-nav .drawer-only{display:block;}
}
@media (min-width:992px){
  .drawer-only{display:none;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding-left:16px;padding-right:16px;}
  section{padding:56px 0;}
  .res-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;gap:14px;padding:20px;}
  .doc-item{flex-direction:column;align-items:flex-start;gap:16px;}
  .doc-thumb{width:100%;height:170px;}
  .doc-action{width:100%;}
  .doc-action .btn-cta,.doc-action .btn-ghost{width:100%;}
  .hero-actions .btn-cta,.hero-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .nav-right .btn-cta{display:none;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:575.98px){
  .page-hero h1{font-size:30px;}
  .hero-points{gap:10px 18px;}
  .acc-card .accordion-button{font-size:15.5px;padding-right:38px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}