/* roulang page: index */
:root{
  --bg:#060B14;
  --surface:#0C1522;
  --surface-2:#101B2B;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --primary:#22E1C8;
  --primary-deep:#0FB79F;
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --text:#E8F3F5;
  --text-2:#9FB3BE;
  --text-3:#6C7F8B;
  --line:rgba(120,255,235,.16);
  --line-strong:rgba(34,225,200,.45);
  --radius-card:18px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(34,225,200,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:220ms;
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:40px 40px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:radial-gradient(900px 500px at 88% -10%,rgba(34,225,200,.09),transparent 68%),
             radial-gradient(700px 460px at -8% 108%,rgba(255,61,139,.07),transparent 70%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(34,225,200,.3);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:104px 0;position:relative;z-index:1;}
.section-tight{padding:76px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;}
.section-head h2{font-size:31px;line-height:1.3;letter-spacing:-.01em;font-weight:700;}
.section-head p{color:var(--text-2);font-size:14px;margin-top:10px;max-width:620px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.8;}
.link-more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:gap var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.link-more:hover{gap:11px;opacity:.85;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,#12C4A6 60%,#0FB79F 100%);
  color:#04140F;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{box-shadow:0 0 36px rgba(34,225,200,.6);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(34,225,200,.45);}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(34,225,200,.12);border-color:var(--primary);transform:translateY(-2px);}
.btn-quiet{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);}
.btn-quiet:hover{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.08);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* 徽章 / 标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;line-height:1.5;letter-spacing:.02em;}
.badge-glow{background:rgba(34,225,200,.14);color:var(--primary);border:1px solid var(--line-strong);}
.badge-line{background:rgba(255,255,255,.05);color:var(--text-2);border:1px solid var(--line);}
.badge-magenta{background:rgba(255,61,139,.14);color:#FF8FBC;border:1px solid rgba(255,61,139,.32);}
.badge-amber{background:rgba(255,194,75,.14);color:var(--amber);border:1px solid rgba(255,194,75,.32);}

/* 玻璃卡片 */
.card{
  position:relative;
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  opacity:.7;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 28px 70px rgba(0,0,0,.5);}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  border-bottom:1px solid transparent;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,14,24,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;height:74px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#0FB79F);
  color:#04140F;font-weight:800;font-size:17px;
  box-shadow:0 0 20px rgba(34,225,200,.4);
}
.logo-text{font-size:16.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;}
.nav-link{
  position:relative;padding:9px 15px;border-radius:10px;
  font-size:15px;color:var(--text-2);
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(34,225,200,.85);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;}
.menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:88;
  background:rgba(6,11,20,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  padding:96px 24px 32px;
  display:flex;flex-direction:column;gap:10px;
  transform:translateY(-102%);
  transition:transform 280ms var(--ease);
  visibility:hidden;
}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-link{
  padding:16px 18px;border-radius:14px;font-size:17px;font-weight:600;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
}
.drawer-link.active{color:var(--primary);border-color:var(--line-strong);background:rgba(34,225,200,.1);}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);}
.drawer-note{font-size:13px;color:var(--text-3);margin-bottom:14px;}

/* Hero */
.hero{
  position:relative;padding:150px 0 96px;overflow:hidden;
  background-image:
    radial-gradient(780px 460px at 84% 4%,rgba(34,225,200,.16),transparent 70%),
    radial-gradient(620px 400px at 2% 96%,rgba(255,61,139,.1),transparent 72%),
    linear-gradient(180deg,rgba(6,11,20,.74) 0%,rgba(6,11,20,.94) 72%,var(--bg) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:auto,auto,auto,cover;
  background-position:center,center,center,center;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{font-size:52px;line-height:1.18;font-weight:700;letter-spacing:-.02em;margin:18px 0 20px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;}
.hero-trust li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2);}
.trust-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(34,225,200,.9);}
.media-frame{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(34,225,200,.07),rgba(255,255,255,.03));
  box-shadow:var(--shadow-card);
}
.media-frame.ratio-16-10{aspect-ratio:16/10;}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.06),rgba(6,11,20,.42));
  pointer-events:none;
}
.hero-float{
  position:absolute;left:-18px;bottom:26px;
  display:flex;align-items:center;gap:12px;
  padding:12px 18px;border-radius:14px;
  background:rgba(12,21,34,.86);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);box-shadow:0 16px 40px rgba(0,0,0,.5);
}
.hero-float strong{font-size:20px;color:var(--primary);letter-spacing:-.02em;}
.hero-float span{font-size:12.5px;color:var(--text-3);}

/* 卖点 Bento */
.bento{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:var(--gap);}
.bento-main{grid-row:span 2;padding:38px;display:flex;flex-direction:column;}
.bento-main h3{font-size:24px;line-height:1.35;margin:16px 0 14px;}
.bento-main p{color:var(--text-2);font-size:15px;line-height:1.8;}
.bento-figure{margin-top:auto;border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:rgba(255,255,255,.04);border:1px solid var(--line);}
.bento-figure img{width:100%;height:100%;object-fit:cover;}
.bento-small{padding:28px;}
.bento-small h3{font-size:18.5px;margin:14px 0 10px;}
.bento-small p{color:var(--text-2);font-size:14px;line-height:1.75;}
.bento-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.bento-list li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);}
.bento-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:8px;border-radius:50%;background:var(--primary);}

/* 演示步骤 */
.demo-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:center;}
.device{
  position:relative;border-radius:20px;padding:12px;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.device-screen{border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:rgba(6,11,20,.9);border:1px solid var(--line);}
.device-screen img{width:100%;height:100%;object-fit:cover;}
.device-bar{display:flex;gap:6px;padding:0 4px 12px;}
.device-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.18);}
.device-bar i:first-child{background:rgba(255,61,139,.6);}
.device-bar i:nth-child(2){background:rgba(255,194,75,.55);}
.device-bar i:nth-child(3){background:rgba(34,225,200,.6);}
.steps{display:grid;gap:0;}
.step{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding-bottom:34px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:27px;top:44px;bottom:0;width:1px;
  background:linear-gradient(180deg,var(--line-strong),rgba(34,225,200,.05));
}
.step:last-child::before{display:none;}
.step-no{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;font-weight:700;color:var(--primary);
  background:rgba(34,225,200,.1);border:1px solid var(--line-strong);
  box-shadow:0 0 20px rgba(34,225,200,.16);
}
.step h3{font-size:19px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* 证据区 */
.evidence{
  background-image:
    radial-gradient(700px 420px at 96% 88%,rgba(34,225,200,.1),transparent 70%),
    linear-gradient(180deg,rgba(12,21,34,.4),rgba(6,11,20,.9));
}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);margin-bottom:56px;}
.stat{padding:26px;border-radius:16px;background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);}
.stat strong{display:block;font-size:46px;font-weight:700;letter-spacing:-.02em;line-height:1.1;color:var(--primary);}
.stat span{display:block;margin-top:10px;font-size:13.5px;color:var(--text-2);}
.reviews{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin-bottom:44px;}
.review{padding:30px;}
.review .mark{font-size:34px;line-height:1;color:var(--magenta);opacity:.75;font-family:Georgia,serif;}
.review p{font-size:14.5px;color:var(--text-2);line-height:1.85;margin:12px 0 20px;}
.review-who{display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:12px;background:linear-gradient(140deg,rgba(34,225,200,.35),rgba(255,61,139,.28));border:1px solid var(--line);}
.review-who b{display:block;font-size:14.5px;}
.review-who span{font-size:12.5px;color:var(--text-3);}
.review:nth-child(2){transform:translateY(26px);}
.badges{display:flex;flex-wrap:wrap;gap:12px;}
.badges li{
  display:flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:12px;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);
}
.badges li b{color:var(--text);font-weight:600;}

/* 价格档位 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:start;}
.price-card{padding:34px 30px;display:flex;flex-direction:column;gap:22px;}
.price-card h3{font-size:21px;}
.price-card .price-tag{font-size:15px;color:var(--text-3);}
.price-card .price-num{font-size:42px;font-weight:700;letter-spacing:-.02em;color:var(--text);line-height:1;}
.price-card .price-num small{font-size:14px;color:var(--text-3);font-weight:500;margin-left:6px;letter-spacing:0;}
.price-desc{font-size:14px;color:var(--text-2);line-height:1.8;}
.feature-list{display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:1px solid var(--line);}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);}
.feature-list li i{
  flex:0 0 auto;width:18px;height:18px;border-radius:6px;margin-top:3px;
  display:grid;place-items:center;font-style:normal;font-size:11px;
  background:rgba(34,225,200,.14);color:var(--primary);border:1px solid var(--line);
}
.feature-list li.off{color:var(--text-3);}
.feature-list li.off i{background:rgba(255,255,255,.05);color:var(--text-3);border-color:rgba(255,255,255,.08);}
.price-card.featured{
  border-color:var(--amber);
  box-shadow:0 0 0 1px rgba(255,194,75,.35),0 0 46px rgba(255,194,75,.16),var(--shadow-card);
  transform:translateY(-10px);
  background:linear-gradient(180deg,rgba(255,194,75,.07),rgba(255,255,255,.045));
}
.price-card.featured:hover{transform:translateY(-14px);}
.price-card.featured .price-num{color:var(--amber);}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.news-card{display:flex;flex-direction:column;}
.news-cover{aspect-ratio:16/9;overflow:hidden;background:rgba(255,255,255,.04);border-bottom:1px solid var(--line);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.05);}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{
  font-size:17.5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sum{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.news-meta .arrow{color:var(--primary);transition:transform var(--dur) var(--ease);}
.news-card:hover .news-meta .arrow{transform:translateX(5px);}
.empty-state{
  grid-column:1/-1;padding:64px 32px;text-align:center;
  border-radius:var(--radius-card);border:1px dashed var(--line);
  background:var(--glass);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:grid;place-items:center;font-size:22px;color:var(--primary);
  background:rgba(34,225,200,.1);border:1px solid var(--line-strong);
}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:20px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  border-radius:16px;border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(14px);
  overflow:hidden;transition:border-color var(--dur) var(--ease);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:var(--line-strong);background:var(--glass-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16.5px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(34,225,200,.1);border:1px solid var(--line-strong);
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity var(--dur) var(--ease);}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(34,225,200,.2);}
.faq-item[open] .faq-icon::after{opacity:0;}
.faq-answer{padding:0 24px 22px;color:var(--text-2);font-size:14.5px;line-height:1.85;}

/* CTA 横条 */
.cta-band{
  position:relative;z-index:1;
  border-radius:24px;padding:52px 48px;
  background-image:
    radial-gradient(560px 320px at 88% 10%,rgba(34,225,200,.18),transparent 70%),
    linear-gradient(140deg,rgba(12,21,34,.94),rgba(6,11,20,.96));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-card);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{font-size:27px;line-height:1.35;margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{position:relative;z-index:1;margin-top:96px;border-top:1px solid var(--line);background:rgba(8,14,24,.72);backdrop-filter:blur(12px);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:300px;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col li span{font-size:13.5px;color:var(--text-2);transition:color var(--dur) var(--ease);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{font-size:13.5px;color:var(--text-2);line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:80;
  opacity:0;transform:translateY(24px);pointer-events:none;
  transition:opacity 260ms var(--ease),transform 260ms var(--ease);
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta .btn{box-shadow:0 0 30px rgba(34,225,200,.5);}

/* 滚动入场 */
.reveal{opacity:0;transform:translateY(22px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1199px){
  .hero h1{font-size:44px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .menu-btn{display:flex;}
  .section{padding:80px 0;}
  .hero{padding:126px 0 76px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{font-size:38px;}
  .hero-float{left:14px;bottom:14px;}
  .bento{grid-template-columns:1fr;}
  .bento-main{grid-row:auto;}
  .demo-wrap{grid-template-columns:1fr;gap:40px;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .reviews{grid-template-columns:1fr;}
  .review:nth-child(2){transform:none;}
  .cta-band{padding:40px 30px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .section-head h2{font-size:25px;}
  .hero{padding:112px 0 64px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-trust{gap:16px;}
  .logo-text{font-size:15px;}
  .news-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;gap:16px;}
  .stat strong{font-size:38px;}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:15.5px;padding:17px 18px;}
  .faq-answer{padding:0 18px 18px;}
  .cta-band{padding:34px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:22px;}
  .float-cta{
    right:0;left:0;bottom:0;transform:translateY(100%);
    padding:12px 16px;background:rgba(8,14,24,.92);
    border-top:1px solid var(--line-strong);backdrop-filter:blur(14px);
  }
  .float-cta.is-show{transform:translateY(0);}
  .float-cta .btn{width:100%;}
  .site-footer{padding-bottom:76px;}
}
@media (max-width:479px){
  .hero h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .bento-main{padding:26px;}
  .bento-small{padding:22px;}
  .price-card{padding:26px 22px;}
  .news-body{padding:20px;}
}

/* roulang page: article */
:root{
  --bg:#060B14;
  --surface:#0C1522;
  --surface-2:#101B2B;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --line:rgba(120,255,235,.16);
  --line-hover:rgba(34,225,200,.45);
  --primary:#22E1C8;
  --primary-deep:#0FB6A1;
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --text:#E8F3F5;
  --body-text:#D7E6EA;
  --muted:#9FB3BE;
  --dim:#6C7F8B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(34,225,200,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,225,200,.03) 1px,transparent 1px);
  background-size:40px 40px;
}
body::after{
  content:"";position:fixed;top:-220px;right:-180px;width:660px;height:660px;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(34,225,200,.08),transparent 65%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
::selection{background:rgba(34,225,200,.28);color:#04141a}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .25s var(--ease),border-color .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(6,11,20,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04141a;font-size:18px;font-weight:800;
  box-shadow:0 0 20px rgba(34,225,200,.4);
}
.logo-text{font-size:17px;letter-spacing:.01em;color:var(--text)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:999px;color:var(--muted);font-size:15px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:var(--glass)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--magenta));
  box-shadow:0 0 12px rgba(34,225,200,.7);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-drawer-cta{display:none}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:.2s var(--ease)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.2s var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.site-header.drawer-open .nav-toggle span{background:transparent}
.site-header.drawer-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.site-header.drawer-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#22E1C8,#0FB6A1);color:#04141a;
  box-shadow:0 0 24px rgba(34,225,200,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(34,225,200,.65)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:rgba(34,225,200,.12);border-color:var(--line-hover);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;pointer-events:none}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:13px;line-height:1.4;color:var(--primary);
  background:var(--glass);border:1px solid var(--line);
}
.badge-magenta{color:var(--magenta);border-color:rgba(255,61,139,.32);background:rgba(255,61,139,.08)}
.badge-amber{color:var(--amber);border-color:rgba(255,194,75,.32);background:rgba(255,194,75,.08)}

/* ============ 页面主体 ============ */
.page-main{padding-top:104px;padding-bottom:96px;position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--dim);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(108,127,139,.6)}
.breadcrumb .current{color:var(--text);max-width:460px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{max-width:840px;margin:0 auto}
.article-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.32;letter-spacing:-.01em;font-weight:700;
  margin:16px 0 18px;color:var(--text);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(159,179,190,.5)}

.article-cover{
  max-width:940px;margin:34px auto 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);
  box-shadow:var(--shadow);position:relative;
}
.article-cover::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent,rgba(34,225,200,.55),transparent);
}
.article-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  background:linear-gradient(135deg,#0C1522,#101B2B);
}
.article-cover figcaption{
  font-size:13px;color:var(--dim);text-align:center;padding:12px 18px;
  border-top:1px solid var(--line);
}

/* ============ 正文排版 ============ */
.article-body{
  max-width:800px;margin:46px auto 0;
  font-size:16px;line-height:1.92;color:var(--body-text);
  background:rgba(12,21,34,.55);
  border:1px solid rgba(120,255,235,.10);
  border-radius:var(--r-lg);
  padding:44px 48px;
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  font-size:28px;line-height:1.42;font-weight:700;color:var(--text);
  margin-top:2em;padding-left:14px;border-left:3px solid var(--primary);
  letter-spacing:-.01em;
}
.article-body h3{font-size:21px;line-height:1.5;font-weight:600;color:var(--text);margin-top:1.8em}
.article-body h4{font-size:17px;font-weight:600;color:var(--text);margin-top:1.5em}
.article-body p{margin:0}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(34,225,200,.35);transition:border-color .2s var(--ease)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body strong{color:var(--text)}
.article-body ul{list-style:none;padding-left:0;margin:1.2em 0}
.article-body ul li{position:relative;padding-left:22px;margin-top:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(34,225,200,.7);
}
.article-body ol{list-style:none;padding-left:0;margin:1.2em 0;counter-reset:li}
.article-body ol li{position:relative;padding-left:36px;margin-top:.7em;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.18em;
  width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--primary);
  background:rgba(34,225,200,.12);border:1px solid var(--line);
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;border-radius:var(--r-md);
  background:var(--glass);border-left:3px solid var(--magenta);color:var(--muted);
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:14px;width:100%;max-width:100%;height:auto;background:var(--surface-2)}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--dim);margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  display:block;overflow-x:auto;border-radius:var(--r-md);
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body th{background:rgba(34,225,200,.08);color:var(--text);font-weight:600}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;
  background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;color:var(--primary);
}
.article-body pre{
  background:#081018;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;overflow-x:auto;line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:#CFE7EA}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:52px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
}
.empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;
  font-size:22px;font-weight:800;color:var(--amber);
  background:rgba(255,194,75,.1);border:1px solid rgba(255,194,75,.32);
}
.empty-state p{color:var(--muted);margin:0 0 20px;font-size:15px}

/* ============ 延伸阅读 ============ */
.related{margin-top:76px;padding-top:52px;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-title{font-size:26px;font-weight:700;margin:0;letter-spacing:-.01em}
.section-desc{color:var(--muted);font-size:14px;margin:8px 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.card{
  position:relative;display:block;padding:22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,225,200,.5),transparent);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-hover);background:var(--glass-strong)}
.card-thumb{
  border-radius:var(--r-md);overflow:hidden;margin:-4px -4px 16px;
  border:1px solid rgba(120,255,235,.12);background:var(--surface-2);
}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card h3{font-size:18px;font-weight:600;margin:0 0 10px;color:var(--text);line-height:1.5}
.card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75}
.card-arrow{
  position:absolute;top:20px;right:20px;width:30px;height:30px;border-radius:999px;
  display:grid;place-items:center;font-size:14px;color:var(--primary);
  background:rgba(34,225,200,.1);border:1px solid var(--line);
  transition:transform .22s var(--ease),background .22s var(--ease);
}
.card:hover .card-arrow{transform:translate(2px,-2px);background:rgba(34,225,200,.2)}
.related-actions{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap}

/* ============ CTA 横条 ============ */
.cta-band{margin-top:88px}
.cta-inner{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  padding:40px 44px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(34,225,200,.12),rgba(255,61,139,.08));
  border:1px solid var(--line);box-shadow:var(--shadow);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.cta-inner::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:340px;height:340px;pointer-events:none;
  background:radial-gradient(circle,rgba(255,61,139,.16),transparent 65%);
}
.cta-copy{max-width:640px;position:relative;z-index:1}
.cta-copy h2{font-size:26px;margin:0 0 10px;font-weight:700;letter-spacing:-.01em}
.cta-copy p{margin:0;color:var(--muted);font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;
  background:linear-gradient(135deg,#22E1C8,#0FB6A1);color:#04141a;font-weight:700;font-size:15px;
  box-shadow:0 0 28px rgba(34,225,200,.5);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{box-shadow:0 0 38px rgba(34,225,200,.7)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;padding:66px 0 30px;position:relative;z-index:1;
  border-top:1px solid var(--line);
  background:rgba(12,21,34,.72);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.85;margin:16px 0 0;max-width:320px}
.footer-col h4{font-size:15px;margin:0 0 16px;color:var(--text);font-weight:600}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{color:var(--muted);font-size:14px;line-height:1.85}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:46px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-contact{display:flex;flex-wrap:wrap;gap:8px 28px}
  .footer-contact li{margin:0}
}
@media (max-width:991px){
  .nav-toggle{display:grid}
  .header-actions .btn{display:none}
  .nav-links{
    position:fixed;top:88px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:18px;border-radius:var(--r-lg);
    background:rgba(12,21,34,.96);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--line);box-shadow:var(--shadow);
    opacity:0;transform:translateY(-12px);pointer-events:none;
    transition:opacity .24s var(--ease),transform .24s var(--ease);
    max-height:calc(100vh - 120px);overflow-y:auto;
  }
  .site-header.drawer-open .nav-links{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-link{padding:14px 16px;border-radius:12px;font-size:16px}
  .nav-link.active{background:rgba(34,225,200,.12);color:var(--primary)}
  .nav-link.active::after{display:none}
  .nav-drawer-cta{display:inline-flex;margin-top:8px;width:100%}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .article-body{padding:34px 28px}
  .cta-inner{padding:32px 30px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page-main{padding-top:92px;padding-bottom:72px}
  .header-inner{height:68px}
  .nav-links{top:78px}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .article-body{padding:26px 20px;margin-top:32px;font-size:15.5px}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-col:last-child{grid-column:1 / -1}
  .footer-contact{display:block}
  .float-cta{left:14px;right:14px;bottom:14px;justify-content:center;border-radius:14px}
  .site-footer{padding-bottom:104px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-mark{width:32px;height:32px;font-size:16px}
  .article-title{font-size:24px}
  .article-body{padding:22px 16px;line-height:1.86}
  .section-title{font-size:22px}
  .cta-copy h2{font-size:21px}
  .cta-inner{padding:26px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#060B14;
  --bg-2:#0C1522;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --primary:#22E1C8;
  --primary-deep:#17C4B2;
  --primary-dim:rgba(34,225,200,.12);
  --magenta:#FF3D8B;
  --amber:#FFC24B;
  --text:#E8F3F5;
  --text-2:#9FB3BE;
  --text-3:#6C7F8B;
  --line:rgba(120,255,235,.16);
  --line-hover:rgba(34,225,200,.45);
  --radius:18px;
  --radius-lg:24px;
  --radius-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 88% 2%, rgba(34,225,200,.09), transparent 62%),
    radial-gradient(760px 520px at 4% 58%, rgba(255,61,139,.055), transparent 64%),
    linear-gradient(rgba(120,255,235,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,255,235,.032) 1px, transparent 1px);
  background-size:auto,auto,40px 40px,40px 40px;
  background-attachment:fixed,fixed,fixed,fixed;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
section[id],div[id]{scroll-margin-top:96px;}

::selection{background:rgba(34,225,200,.3);color:#fff;}

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

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  transition:background .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:transparent;
  transition:background .24s var(--ease);
}
.site-header.is-stuck{
  background:rgba(6,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 40px rgba(0,0,0,.4);
}
.site-header.is-stuck::after{background:var(--line);}

.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  transition:opacity .2s var(--ease);
}
.logo:hover{opacity:.88;}
.logo-mark{
  width:34px;height:34px;
  border-radius:11px;
  display:grid;
  place-items:center;
  font-size:16px;
  font-weight:800;
  color:#04191B;
  background:linear-gradient(135deg,#5BF0DA,#22E1C8 60%,#14AE9E);
  box-shadow:0 0 22px rgba(34,225,200,.42);
}
.logo-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 15px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(34,225,200,.85);
}
.nav-link:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

.header-cta{flex:0 0 auto;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  margin-left:auto;
  transition:border-color .2s var(--ease);
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-hover);}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;
  top:72px;left:0;right:0;
  z-index:79;
  padding:20px 24px 28px;
  background:rgba(8,14,24,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:8px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a{
  display:block;
  padding:13px 16px;
  border-radius:12px;
  font-size:16px;
  color:var(--text-2);
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.mobile-drawer a:hover{background:rgba(255,255,255,.05);color:var(--text);}
.mobile-drawer a.is-active{
  color:var(--primary);
  background:var(--primary-dim);
  border-color:var(--line-hover);
}
.mobile-drawer .btn{margin-top:10px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.btn-primary{
  background:linear-gradient(135deg,#5BF0DA,#22E1C8 55%,#17C4B2);
  color:#04211E;
  box-shadow:0 0 24px rgba(34,225,200,.45);
}
.btn-primary:hover{
  box-shadow:0 0 36px rgba(34,225,200,.62);
  transform:translateY(-2px);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(34,225,200,.4);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-hover);
  color:var(--primary);
}
.btn-ghost:hover{background:var(--primary-dim);transform:translateY(-2px);}
.btn-soft{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
}
.btn-soft:hover{background:var(--glass-strong);border-color:var(--line-hover);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:999px;
  font-size:13px;
  line-height:1.4;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--text-2);
  white-space:nowrap;
}
.tag-primary{
  color:var(--primary);
  border-color:var(--line-hover);
  background:var(--primary-dim);
}
.tag-magenta{
  color:#FFC3DC;
  border-color:rgba(255,61,139,.34);
  background:rgba(255,61,139,.13);
}
.tag-amber{
  color:#FFE0A6;
  border-color:rgba(255,194,75,.35);
  background:rgba(255,194,75,.12);
}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  padding:130px 0 72px;
  overflow:hidden;
  isolation:isolate;
}
.page-hero-media{
  position:absolute;
  inset:0;
  z-index:-2;
}
.page-hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.24;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(760px 420px at 84% 4%, rgba(34,225,200,.16), transparent 62%),
    linear-gradient(180deg, rgba(6,11,20,.7) 0%, rgba(6,11,20,.94) 72%, var(--bg) 100%);
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:var(--text-3);opacity:.6;}

.page-hero h1{
  font-size:40px;
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.02em;
  margin:18px 0 16px;
  max-width:760px;
}
.page-hero .lede{
  max-width:660px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

/* ---------- 主体两栏 ---------- */
.page-body{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:56px;
  align-items:start;
  padding-top:76px;
  padding-bottom:32px;
}

.toc-side{
  position:sticky;
  top:96px;
  align-self:start;
}
.toc-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 18px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.toc-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,225,200,.5),transparent);
}
.toc-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--text-3);
  margin-bottom:14px;
}
.toc-list{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.toc-link{
  display:block;
  padding:9px 12px;
  border-radius:10px;
  font-size:14px;
  color:var(--text-2);
  border-left:2px solid transparent;
  transition:all .2s var(--ease);
}
.toc-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.toc-link.is-active{
  color:var(--primary);
  background:var(--primary-dim);
  border-left-color:var(--primary);
  box-shadow:inset 0 0 0 1px rgba(34,225,200,.14);
}
.toc-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.toc-note{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  line-height:1.75;
  color:var(--text-3);
}

/* ---------- 长图文交替 ---------- */
.article-col{
  display:flex;
  flex-direction:column;
  gap:72px;
  min-width:0;
}
.article-row{
  display:grid;
  grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:40px;
  align-items:center;
}
.article-row.is-reverse .article-media{order:-1;}

.article-copy h2{
  font-size:29px;
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.article-copy p{
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
  margin-bottom:16px;
}
.article-copy p:last-child{margin-bottom:0;}

.check-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:6px;
}
.check-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:15px;height:15px;
  border-radius:5px;
  background:var(--primary-dim);
  border:1px solid var(--line-hover);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:4px;top:11px;
  width:6px;height:2px;
  background:var(--primary);
  transform:rotate(-45deg);
  box-shadow:0 0 8px rgba(34,225,200,.7);
}

.media-frame{
  position:relative;
  aspect-ratio:16/10;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(150deg,#0C1522,#060B14);
  box-shadow:var(--shadow);
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,0) 46%,rgba(6,11,20,.55) 100%);
  pointer-events:none;
}
.media-frame:hover{
  border-color:var(--line-hover);
  transform:translateY(-4px);
  box-shadow:0 26px 70px rgba(0,0,0,.55);
}
.media-cap{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:var(--text-3);
  text-align:center;
}

/* ---------- 流程 ---------- */
.flow-block{
  border-top:1px solid var(--line);
  padding-top:56px;
}
.block-head{
  margin-bottom:30px;
}
.block-head h2{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:12px;
}
.block-head p{
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
  max-width:720px;
}
.flow-steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.step{
  position:relative;
  padding:22px 20px;
  border-radius:var(--radius);
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.step:hover{border-color:var(--line-hover);transform:translateY(-4px);}
.step-idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:12px;
  background:var(--primary-dim);
  border:1px solid var(--line-hover);
  color:var(--primary);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
}
.step h3{
  font-size:18px;
  font-weight:700;
  margin:14px 0 8px;
}
.step p{
  font-size:14px;
  line-height:1.78;
  color:var(--text-2);
  margin:0;
}

/* ---------- FAQ ---------- */
.faq-block{
  border-top:1px solid var(--line);
  padding-top:56px;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:16px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item:hover{border-color:rgba(34,225,200,.3);}
.faq-item[open]{border-color:var(--line-hover);background:rgba(255,255,255,.07);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-3px;border-radius:16px;}
.faq-icon{
  position:relative;
  flex:0 0 18px;
  width:18px;height:18px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-a p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  padding-bottom:96px;
  margin-top:88px;
}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-hover);
  background:
    radial-gradient(600px 320px at 88% 8%, rgba(34,225,200,.18), transparent 62%),
    radial-gradient(420px 260px at 4% 100%, rgba(255,61,139,.12), transparent 66%),
    linear-gradient(150deg, rgba(12,21,34,.96), rgba(6,11,20,.99));
  box-shadow:var(--shadow);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,225,200,.7),transparent);
}
.cta-copy{max-width:620px;}
.cta-copy h2{
  font-size:28px;
  line-height:1.34;
  font-weight:800;
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.cta-copy p{
  color:var(--text-2);
  font-size:16px;
  line-height:1.85;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:2;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(12,21,34,.72), rgba(6,11,20,1));
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  color:var(--text-3);
  font-size:14px;
  line-height:1.85;
  max-width:330px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col a{
  color:var(--text-2);
  font-size:14px;
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{
  color:var(--text-3);
  font-size:14px;
  line-height:1.75;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:75;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  color:#04211E;
  background:linear-gradient(135deg,#5BF0DA,#22E1C8 55%,#17C4B2);
  box-shadow:0 0 28px rgba(34,225,200,.5);
  opacity:0;
  visibility:hidden;
  transform:translateY(16px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease),visibility .26s var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{box-shadow:0 0 40px rgba(34,225,200,.72);transform:translateY(-2px);}
.float-cta:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
.reveal.is-in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .page-body{grid-template-columns:224px minmax(0,1fr);gap:40px;}
  .page-hero h1{font-size:36px;}
  .flow-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-row{gap:32px;}
}

@media (max-width:991px){
  .nav-links{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}

  .page-hero{padding:112px 0 56px;}
  .page-hero h1{font-size:32px;}

  .page-body{
    grid-template-columns:minmax(0,1fr);
    gap:36px;
    padding-top:44px;
    padding-bottom:16px;
  }
  .toc-side{position:static;top:auto;}
  .toc-card{padding:16px;}
  .toc-title{margin-bottom:10px;}
  .toc-list{
    flex-direction:row;
    gap:8px;
    overflow-x:auto;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .toc-link{
    white-space:nowrap;
    border-left:0;
    border:1px solid var(--line);
    border-radius:999px;
    padding:8px 14px;
  }
  .toc-link.is-active{border-color:var(--line-hover);}
  .toc-note{display:none;}

  .article-col{gap:56px;}
  .article-row,
  .article-row.is-reverse{grid-template-columns:minmax(0,1fr);gap:22px;}
  .article-row.is-reverse .article-media{order:0;}
  .article-copy h2{font-size:25px;}

  .flow-block,.faq-block{padding-top:44px;}
  .block-head h2{font-size:25px;}

  .cta-card{padding:34px 26px;}
  .cta-copy h2{font-size:24px;}

  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}

@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .page-hero{padding:100px 0 48px;}
  .page-hero h1{font-size:28px;line-height:1.3;}
  .page-hero .lede{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 auto;}

  .flow-steps{grid-template-columns:minmax(0,1fr);}
  .faq-q{font-size:16px;padding:16px 16px;}
  .faq-a{padding:0 16px 18px;}

  .cta-band{padding-bottom:76px;margin-top:64px;}
  .cta-card{padding:28px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}

  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}

  .float-cta{
    left:16px;
    right:16px;
    bottom:16px;
    justify-content:center;
    padding:15px 20px;
  }
}

@media (max-width:479px){
  .logo-text{font-size:15px;}
  .page-hero h1{font-size:24px;}
  .page-hero .lede{font-size:15px;}
  .article-copy h2{font-size:22px;}
  .block-head h2{font-size:22px;}
  .cta-copy h2{font-size:21px;}
  .btn{padding:12px 18px;font-size:14px;}
  .media-frame{border-radius:14px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg:#060B14;
  --surface:#0C1522;
  --surface-2:#101B2B;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(12,21,34,.82);
  --primary:#22E1C8;
  --primary-soft:rgba(34,225,200,.12);
  --accent:#FF3D8B;
  --amber:#FFC24B;
  --text:#E8F3F5;
  --text-2:#9FB3BE;
  --text-3:#6C7F8B;
  --line:rgba(120,255,235,.16);
  --line-hover:rgba(34,225,200,.45);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -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(120,255,235,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,255,235,.03) 1px,transparent 1px);
  background-size:40px 40px;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea{font:inherit;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}

/* ============ 通用文字 ============ */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;background:var(--primary);opacity:.8;
}
h1{font-size:38px;line-height:1.3;font-weight:700;letter-spacing:-.02em;}
h2{font-size:31px;line-height:1.35;font-weight:700;letter-spacing:-.02em;}
h3{font-size:21px;line-height:1.5;font-weight:600;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head p{color:var(--text-2);max-width:640px;margin-top:12px;font-size:15px;}
.lead{color:var(--text-2);font-size:17px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,#22E1C8 0%,#1FC0A8 100%);
  color:#04231F;
  box-shadow:0 0 24px rgba(34,225,200,.45);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 36px rgba(34,225,200,.62);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 18px rgba(34,225,200,.4);}
.btn-ghost{
  border:1px solid var(--line-hover);
  color:var(--text);
  background:transparent;
}
.btn-ghost:hover{background:var(--primary-soft);transform:translateY(-2px);}
.btn-subtle{
  border:1px solid var(--line);
  color:var(--text-2);
  background:var(--glass);
}
.btn-subtle:hover{color:var(--text);border-color:var(--line-hover);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  line-height:1.5;
  border:1px solid var(--line);
  background:rgba(34,225,200,.07);
  color:var(--primary);
}
.badge-accent{
  border-color:rgba(255,61,139,.35);
  background:rgba(255,61,139,.12);
  color:#FF86B4;
}
.badge-amber{
  border-color:rgba(255,194,75,.35);
  background:rgba(255,194,75,.12);
  color:var(--amber);
}
.badge-muted{
  border-color:rgba(159,179,190,.22);
  background:rgba(159,179,190,.08);
  color:var(--text-2);
}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(6,11,20,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:-.01em;
}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(140deg,rgba(34,225,200,.95),rgba(34,225,200,.35));
  color:#04231F;
  font-size:17px;
  font-weight:800;
  box-shadow:0 0 20px rgba(34,225,200,.35);
}
.logo-text{font-size:17px;color:var(--text);}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-2);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),rgba(34,225,200,.1));
  box-shadow:0 0 12px rgba(34,225,200,.75);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-cta{padding:11px 22px;font-size:14.5px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  place-items:center;
  gap:5px;
  flex-direction:column;
}
.nav-toggle span{
  display:block;
  width:18px;height:1.6px;
  border-radius:2px;
  background:var(--text);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:76px 0 0 0;
  z-index:55;
  background:rgba(6,11,20,.96);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:28px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer a{
  padding:15px 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:var(--glass);
  font-size:16px;
}
.drawer a.active{color:var(--primary);border-color:var(--line-hover);}
.drawer .btn{margin-top:auto;width:100%;padding:16px;}

/* ============ Hero ============ */
.hero-inner{
  position:relative;
  padding:150px 0 76px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  opacity:.28;
  z-index:0;
}
.hero-inner::after{
  content:"";
  position:absolute;
  top:-140px;right:-120px;
  width:620px;height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,225,200,.16) 0%,rgba(34,225,200,0) 68%);
  pointer-events:none;
  z-index:0;
}
.hero-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(6,11,20,.55) 0%,rgba(6,11,20,.94) 72%,var(--bg) 100%);
  z-index:0;
}
.hero-copy{position:relative;z-index:1;max-width:880px;}
.hero-copy h1{margin-bottom:18px;}
.hero-copy .lead{font-size:18px;max-width:700px;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:26px;
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.trust-item{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:var(--text-2);
}
.trust-item i{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 12px rgba(34,225,200,.9);
  flex:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  margin-bottom:20px;
}
.crumb a{color:var(--text-2);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{opacity:.5;}

/* ============ 筛选胶囊行 ============ */
.filter-bar{
  padding:34px 0 8px;
}
.filter-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.filter-label{
  font-size:13.5px;
  color:var(--text-3);
  padding:0 10px 0 8px;
  white-space:nowrap;
}
.pill{
  padding:9px 18px;
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  border:1px solid transparent;
  background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.pill:hover{color:var(--text);border-color:var(--line-hover);}
.pill.is-active{
  color:#04231F;
  background:linear-gradient(120deg,#22E1C8,#1FC0A8);
  box-shadow:0 0 20px rgba(34,225,200,.42);
  font-weight:600;
}

/* ============ Bento 瀑布 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.card{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(34,225,200,0),rgba(34,225,200,.6),rgba(34,225,200,0));
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-hover);
  box-shadow:0 26px 70px rgba(0,0,0,.5);
}
.bento-card{
  display:flex;
  flex-direction:column;
  padding:26px;
  gap:16px;
  min-height:220px;
}
.bento-card .card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.bento-card h3{margin-top:2px;}
.bento-card p{color:var(--text-2);font-size:14.5px;}
.bento-card .points{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px dashed rgba(120,255,235,.14);
}
.bento-card .points li{
  display:flex;
  gap:9px;
  font-size:14px;
  color:var(--text-2);
}
.bento-card .points li::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--primary);
  margin-top:9px;
  flex:none;
}
.card-media{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  background:linear-gradient(135deg,#0C1522,#101B2B);
  aspect-ratio:16/9;
}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
}
.card:hover .card-media img{transform:scale(1.04);}
.span-4{grid-column:span 4;}
.span-5{grid-column:span 5;}
.span-7{grid-column:span 7;}
.span-12{grid-column:span 12;}
.card-wide-media{
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/9;
  background:
    linear-gradient(180deg,rgba(6,11,20,.3),rgba(6,11,20,.75)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border:1px solid var(--line);
}
.bento-banner{
  padding:34px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:32px;
  align-items:center;
}
.bento-banner h3{font-size:23px;margin-bottom:10px;}
.bento-banner p{color:var(--text-2);font-size:15px;}
.bento-banner .points{margin-top:20px;border-top:0;padding-top:0;gap:10px;}
.bento-banner .points li{color:var(--text-2);font-size:14.5px;}
.card.is-hidden{display:none;}
.empty-state{
  display:none;
  grid-column:span 12;
  padding:56px 24px;
  text-align:center;
  border-radius:var(--r-lg);
  border:1px dashed var(--line);
  background:var(--glass);
}
.empty-state.is-visible{display:block;}
.empty-state .ico{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:16px;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--primary);
  font-size:22px;
}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

/* ============ 流程条 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  top:29px;left:6%;right:6%;
  height:1px;
  background:linear-gradient(90deg,rgba(34,225,200,0),rgba(34,225,200,.5),rgba(34,225,200,.5),rgba(34,225,200,0));
}
.step{
  position:relative;
  padding:26px 22px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-hover);}
.step .num{
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:15px;
  font-weight:700;
  color:#04231F;
  background:linear-gradient(140deg,#22E1C8,#1FC0A8);
  box-shadow:0 0 20px rgba(34,225,200,.4);
  margin-bottom:18px;
  position:relative;
  z-index:1;
}
.step h3{font-size:17.5px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);}

/* ============ 数据条 / 证据 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  padding:34px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.stat{border-left:1px solid rgba(120,255,235,.12);padding-left:22px;}
.stat:first-child{border-left:0;padding-left:0;}
.stat .value{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:40px;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--primary);
  line-height:1.15;
}
.stat .value small{font-size:16px;color:var(--text-2);margin-left:4px;font-weight:600;}
.stat .label{margin-top:6px;font-size:14px;color:var(--text-2);}
.evidence-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:24px;
  margin-top:24px;
}
.note-card{
  padding:30px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.note-card h3{margin-bottom:16px;}
.note-list{display:flex;flex-direction:column;gap:14px;}
.note-list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:var(--text-2);
  padding-bottom:14px;
  border-bottom:1px dashed rgba(120,255,235,.12);
}
.note-list li:last-child{border-bottom:0;padding-bottom:0;}
.note-list li strong{color:var(--text);font-weight:600;display:block;margin-bottom:2px;font-size:15px;}
.note-list li .idx{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--accent);
  font-size:13px;
  padding-top:3px;
  flex:none;
}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:44px;
  align-items:start;
}
.faq-intro p{color:var(--text-2);margin-top:14px;font-size:15px;}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:24px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.faq-item{border-radius:var(--r-sm);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:16px 18px;
  border-radius:var(--r-sm);
  font-size:16.5px;
  font-weight:600;
  line-height:1.6;
  background:rgba(255,255,255,.03);
  border:1px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.faq-q:hover{background:rgba(34,225,200,.07);border-color:var(--line);}
.faq-item.is-open .faq-q{color:var(--primary);border-color:var(--line-hover);background:rgba(34,225,200,.08);}
.faq-icon{
  position:relative;
  width:22px;height:22px;
  flex:none;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  width:13px;height:1.8px;
  border-radius:2px;
  background:currentColor;
  transform:translate(-50%,-50%);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a-inner{
  padding:6px 18px 18px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-section{padding:80px 0 100px;}
.cta-box{
  position:relative;
  border-radius:26px;
  border:1px solid var(--line-hover);
  background:
    linear-gradient(135deg,rgba(34,225,200,.09),rgba(255,61,139,.07)),
    var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 30px 80px rgba(0,0,0,.5);
  padding:52px;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:44px;
  align-items:center;
}
.cta-box::after{
  content:"";
  position:absolute;
  bottom:-160px;right:-120px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(34,225,200,.18),rgba(34,225,200,0) 70%);
  pointer-events:none;
}
.cta-box h2{margin-bottom:14px;}
.cta-box p{color:var(--text-2);font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.form-card{
  position:relative;
  z-index:1;
  padding:26px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(6,11,20,.6);
}
.form-card h3{font-size:17px;margin-bottom:6px;}
.form-card .hint{font-size:13.5px;color:var(--text-3);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  font-size:14.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(34,225,200,.16);
  background:rgba(34,225,200,.05);
}
.field.has-error input,.field.has-error textarea{
  border-color:var(--amber);
  box-shadow:0 0 0 3px rgba(255,194,75,.14);
}
.field .error-text{
  display:none;
  margin-top:6px;
  font-size:12.5px;
  color:var(--amber);
}
.field.has-error .error-text{display:block;}
.form-card .btn{width:100%;margin-top:4px;}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(8,14,24,.9);
  padding:64px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand p{
  color:var(--text-2);
  font-size:14px;
  margin-top:16px;
  max-width:340px;
  line-height:1.85;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  color:var(--text);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{
  font-size:13.5px;
  color:var(--text-2);
  line-height:1.8;
}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(120,255,235,.1);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  padding:14px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:#04231F;
  background:linear-gradient(120deg,#22E1C8,#1FC0A8);
  box-shadow:0 0 28px rgba(34,225,200,.5);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),visibility .24s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{box-shadow:0 0 38px rgba(34,225,200,.7);transform:translateY(-2px);}

/* ============ 入场动画 ============ */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  h1{font-size:34px;}
  h2{font-size:28px;}
  .span-4,.span-5,.span-7{grid-column:span 6;}
  .bento-banner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:span 3;}
}
@media (max-width:991px){
  .section{padding:76px 0;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .hero-inner{padding:130px 0 64px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px;}
  .stat{border-left:0;padding-left:0;}
  .evidence-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-box{grid-template-columns:1fr;padding:38px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  h1{font-size:29px;}
  h2{font-size:24px;}
  .section{padding:60px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px;}
  .span-4,.span-5,.span-7,.span-12{grid-column:span 12;}
  .bento{border-radius:18px;gap:16px;}
  .bento-card{padding:22px;min-height:auto;}
  .stats{grid-template-columns:1fr;padding:24px;}
  .cta-box{padding:28px;border-radius:20px;}
  .faq-list{padding:16px;}
  .filter-inner{border-radius:20px;padding:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col:last-child{grid-column:span 2;}
  .float-cta{
    left:0;right:0;bottom:0;
    border-radius:0;
    text-align:center;
    padding:16px 20px;
    box-shadow:0 -8px 30px rgba(0,0,0,.5),0 0 28px rgba(34,225,200,.35);
  }
  .site-footer{padding-bottom:96px;}
}
@media (max-width:479px){
  h1{font-size:25px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .hero-inner{padding:116px 0 52px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:16px;flex-direction:column;}
  .stat .value{font-size:34px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col:last-child{grid-column:span 1;}
}