/* roulang page: index */
:root{
  --bg-0:#070B1A;
  --bg-1:#0B1226;
  --bg-2:#0F1730;
  --panel:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  --panel-solid:#121A36;
  --line:rgba(140,170,255,.16);
  --line-star:rgba(53,214,196,.42);
  --ink:#EEF3FF;
  --ink-2:#A8B4D4;
  --ink-3:#6E7BA0;
  --star:#35D6C4;
  --star-deep:#1FA89A;
  --gold:#E9B65C;
  --violet:#6C5CE7;
  --danger:#FF7A7A;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 12px 32px -20px rgba(0,0,0,.8);
  --inner:inset 0 1px 0 rgba(255,255,255,.12);
  --glow:0 0 0 1px rgba(53,214,196,.5),0 10px 30px -10px rgba(53,214,196,.55);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  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(rgba(150,180,255,.5) .6px,transparent .6px);
  background-size:34px 34px;
  opacity:.05;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.25;color:var(--ink);letter-spacing:-.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--star);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:#5FE6D6;}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
::selection{background:rgba(53,214,196,.28);color:#fff;}
:focus-visible{outline:2px solid var(--star);outline-offset:2px;}

.grid-container{
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
  width:100%;
}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.grid-x > .cell{padding-left:12px;padding-right:12px;width:100%;}

.sec{padding:96px 0;position:relative;scroll-margin-top:96px;}
.sec-alt{background:var(--bg-1);}
.sec-head{max-width:660px;margin-bottom:48px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;line-height:1.4;
  color:var(--star);
  background:rgba(53,214,196,.1);
  border:1px solid rgba(53,214,196,.32);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);}
.sec-title{font-size:clamp(26px,3.2vw,40px);line-height:1.25;margin-bottom:14px;}
.sec-sub{font-size:16px;line-height:1.85;color:var(--ink-2);margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(160deg,var(--star),var(--star-deep));
  color:#04211F;
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#04211F;filter:brightness(1.06);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:rgba(255,255,255,.03);
  color:var(--ink);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--ink);border-color:var(--line-star);background:rgba(53,214,196,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--star);
}
.link-arrow svg{transition:transform .18s ease-out;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:120;
  padding:16px 0 4px;
  pointer-events:none;
}
.site-head .grid-container{pointer-events:none;}
.head-inner{
  pointer-events:auto;
  display:flex;align-items:center;gap:16px;
  padding:12px 20px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--panel);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow),var(--inner);
  transition:background .2s ease-out,padding .2s ease-out,backdrop-filter .2s ease-out,border-color .2s ease-out;
}
.site-head.is-stuck .head-inner{
  background:rgba(9,14,32,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding-top:4px;
  padding-bottom:4px;
  border-color:rgba(140,170,255,.24);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{color:var(--star);flex:none;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.head-nav{display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:auto;}
.nav-tile{
  display:flex;align-items:center;gap:6px;
  height:48px;padding:0 12px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;
  white-space:nowrap;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.nav-tile svg{flex:none;opacity:.85;}
.nav-tile:hover{color:var(--ink);background:rgba(255,255,255,.06);border-color:var(--line-star);}
.nav-tile.is-active{
  color:var(--ink);
  background:rgba(53,214,196,.1);
  border-color:rgba(53,214,196,.38);
}
.nav-tile.is-active::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);flex:none;}
.head-actions{display:flex;align-items:center;gap:10px;flex:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  background:rgba(255,255,255,.03);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:36px 0 96px;
  overflow:hidden;
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center top;
  opacity:.5;
}
.hero::after{
  content:"";
  position:absolute;inset:0;z-index:-1;
  background:radial-gradient(900px 520px at 78% 8%,rgba(53,214,196,.14),transparent 62%),
             linear-gradient(180deg,rgba(7,11,26,.72) 0%,rgba(7,11,26,.9) 58%,var(--bg-0) 100%);
}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;margin-left:-12px;margin-right:-12px;}
.hero-grid > .cell{padding-left:12px;padding-right:12px;}
.hero-copy{max-width:620px;}
.hero h1{
  font-size:clamp(32px,4.8vw,56px);
  line-height:1.15;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero h1 .hl{color:var(--star);}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.chip::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);flex:none;}

.starmap{
  position:relative;
  margin-top:44px;
  padding:18px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow),var(--inner);
  overflow:visible;
}
.starmap-grid{
  position:absolute;inset:0;border-radius:var(--r-lg);
  background-image:linear-gradient(rgba(140,170,255,.14) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(140,170,255,.14) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.35;
  pointer-events:none;
  mask-image:radial-gradient(circle at 50% 40%,#000 40%,transparent 82%);
  -webkit-mask-image:radial-gradient(circle at 50% 40%,#000 40%,transparent 82%);
}
.starmap-img{
  position:relative;
  width:100%;
  height:auto;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:14px;
  border:1px solid var(--line);
  background:linear-gradient(160deg,#101a36,#0a1024);
}
.float-stat{
  position:absolute;
  display:flex;flex-direction:column;gap:2px;
  padding:12px 16px;
  border-radius:14px;
  border:1px solid var(--line-star);
  background:rgba(11,18,38,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
}
.fs-num{font-size:20px;font-weight:700;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.3;}
.fs-cap{font-size:12px;color:var(--ink-2);line-height:1.4;}
.fs-a{left:-10px;bottom:-18px;}
.fs-b{right:-6px;top:-18px;}

/* ---------- 锚点条 ---------- */
.anchors{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:center;
  padding:0 0 8px;
}
.anchor-pill{
  display:inline-flex;align-items:center;
  min-height:40px;padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
  font-size:14px;
  transition:all .18s ease-out;
}
.anchor-pill:hover{color:var(--ink);border-color:var(--line-star);background:rgba(53,214,196,.08);}

/* ---------- 卖点卡 ---------- */
.value-card{
  height:100%;
  padding:26px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow),var(--inner);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.value-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.3);}
.vnum{
  display:block;
  font-size:12px;letter-spacing:.08em;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.vico{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  color:var(--star);
  background:rgba(53,214,196,.1);
  border:1px solid rgba(53,214,196,.3);
  margin-bottom:16px;
}
.vtitle{font-size:18px;font-weight:600;margin-bottom:10px;}
.vtext{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0;}

/* ---------- 演示 ---------- */
.demo-card{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow),var(--inner);
  overflow:hidden;
}
.browser-bar{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(140,170,255,.3);flex:none;}
.dot:nth-child(1){background:rgba(255,122,122,.5);}
.dot:nth-child(2){background:rgba(233,182,92,.5);}
.dot:nth-child(3){background:rgba(53,214,196,.5);}
.addr{
  flex:1;height:26px;border-radius:8px;
  background:rgba(7,11,26,.6);
  border:1px solid var(--line);
  margin-left:6px;
}
.demo-shot{width:100%;height:auto;display:block;aspect-ratio:16/8;object-fit:cover;}
.steps{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;}
.step{flex:1 1 260px;position:relative;padding:0 20px 0 0;display:flex;gap:14px;}
.step-dot{
  flex:none;width:16px;height:16px;border-radius:50%;
  border:2px solid var(--line-star);
  margin-top:6px;
  background:transparent;
  position:relative;z-index:2;
}
.step.is-current .step-dot{background:var(--star);border-color:var(--star);box-shadow:0 0 0 4px rgba(53,214,196,.16);}
.step-line{
  position:absolute;left:16px;right:0;top:13px;height:2px;
  background:linear-gradient(90deg,rgba(53,214,196,.6),rgba(140,170,255,.12));
  z-index:1;
}
.step:last-child .step-line{display:none;}
.step-body h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.step-body p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- 证据 ---------- */
.proof-band{
  display:flex;flex-wrap:wrap;gap:16px;
  padding:32px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow),var(--inner);
}
.stat{flex:1 1 200px;padding:8px 12px;border-left:2px solid rgba(233,182,92,.5);}
.stat:first-child{border-left:0;}
.stat-num{
  display:block;font-size:clamp(34px,4vw,46px);font-weight:700;color:var(--gold);
  line-height:1.15;font-variant-numeric:tabular-nums;
}
.stat-cap{display:block;font-size:13px;color:var(--ink-2);margin-top:6px;}
.logo-wall{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px;
}
.logo-cell{
  display:flex;align-items:center;justify-content:center;
  min-height:74px;border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.025);
  color:var(--ink-3);
  font-size:15px;letter-spacing:.04em;
  filter:grayscale(1);
  transition:filter .2s ease-out,color .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.logo-cell:hover{filter:grayscale(0);color:var(--ink);border-color:var(--line-star);background:rgba(53,214,196,.06);}
.quote-card{
  height:100%;
  padding:26px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow),var(--inner);
}
.quote-text{font-size:15px;line-height:1.85;color:var(--ink);margin-bottom:18px;}
.quote-by{font-size:13px;color:var(--ink-3);}

/* ---------- 资讯 ---------- */
.news-card{
  display:flex;flex-direction:column;
  height:100%;
  padding:24px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow),var(--inner);
  color:var(--ink);
  transition:transform .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.35);color:var(--ink);}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:1.4;letter-spacing:.04em;
  padding:3px 10px;border-radius:6px;
  color:#9BF3E8;
  background:rgba(53,214,196,.12);
  border:1px solid rgba(53,214,196,.4);
  white-space:nowrap;
}
.news-date{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.news-arrow{
  margin-top:auto;display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);
  color:var(--star);
  transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.news-card:hover .news-arrow{transform:translateX(3px);border-color:var(--line-star);background:rgba(53,214,196,.12);}
.empty-card{
  text-align:center;
  padding:52px 24px;
  border-radius:var(--r-md);
  border:1px dashed rgba(140,170,255,.28);
  background:var(--panel);
}
.empty-card svg{color:var(--ink-3);margin:0 auto 14px;}
.empty-title{font-size:16px;color:var(--ink-2);margin-bottom:6px;}
.empty-sub{font-size:13px;color:var(--ink-3);margin:0;}

/* ---------- 价格 ---------- */
.price-card{
  height:100%;
  padding:30px 26px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow),var(--inner);
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.price-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.28);}
.price-card.is-featured{
  border-color:rgba(53,214,196,.55);
  transform:scale(1.04);
  background:linear-gradient(160deg,rgba(53,214,196,.1),rgba(255,255,255,.03));
  box-shadow:0 0 0 1px rgba(53,214,196,.24),0 24px 60px -34px rgba(53,214,196,.6);
  position:relative;
}
.price-card.is-featured:hover{transform:scale(1.04) translateY(-2px);}
.price-tag{
  position:absolute;top:-12px;left:26px;
  font-size:12px;letter-spacing:.06em;
  padding:3px 12px;border-radius:var(--r-pill);
  background:var(--gold);color:#231703;font-weight:700;
}
.price-name{font-size:18px;font-weight:600;margin-bottom:6px;}
.price-desc{font-size:13px;color:var(--ink-2);line-height:1.7;margin-bottom:20px;}
.price-num{
  font-size:clamp(34px,4vw,42px);
  font-weight:700;color:var(--ink);line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.price-num .cur{font-size:22px;margin-right:2px;color:var(--ink-2);}
.price-unit{font-size:14px;color:var(--ink-3);margin-left:6px;}
.feature-list{margin:22px 0 26px;padding:0;display:flex;flex-direction:column;gap:12px;}
.feature-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;line-height:1.7;color:var(--ink-2);
}
.feature-list svg{flex:none;margin-top:5px;color:var(--star);}
.price-card .btn{width:100%;margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--panel);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease-out;
}
.faq-item.is-open{border-color:rgba(53,214,196,.45);}
.faq-btn{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:18px 22px;text-align:left;
  background:none;color:var(--ink);
  font-size:16px;font-weight:600;line-height:1.6;
}
.faq-num{
  flex:none;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--ink-2);
  font-variant-numeric:tabular-nums;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.faq-item.is-open .faq-num{background:var(--star);border-color:var(--star);color:#04211F;}
.faq-q{flex:1;}
.faq-sign{position:relative;flex:none;width:18px;height:18px;transition:transform .2s ease-out;}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--star);border-radius:2px;
}
.faq-sign::before{left:0;top:8px;width:18px;height:2px;}
.faq-sign::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-sign{transform:rotate(45deg);}
.faq-panel{padding:0 22px 20px 68px;display:none;animation:fadeIn .2s ease-out;}
.faq-panel p{font-size:15px;line-height:1.8;color:var(--ink-2);margin:0;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- 转化区 ---------- */
.cta-band{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(53,214,196,.1),rgba(255,255,255,.028));
  box-shadow:var(--shadow),var(--inner);
  padding:44px;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:12px;}
.cta-band .lead{font-size:15px;color:var(--ink-2);line-height:1.85;margin-bottom:0;}
.form-grid{display:flex;flex-wrap:wrap;margin-left:-10px;margin-right:-10px;}
.form-grid > .field{padding-left:10px;padding-right:10px;}
.field{margin-bottom:16px;width:100%;}
.field label{
  display:block;font-size:13px;color:var(--ink-2);margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;
  min-height:44px;
  padding:11px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(7,11,26,.75);
  color:var(--ink);
  line-height:1.6;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{min-height:96px;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:rgba(110,123,160,.8);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--star);
  box-shadow:0 0 0 3px rgba(53,214,196,.22);
}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:12px;}
.form-msg{
  display:none;margin-top:14px;padding:10px 14px;border-radius:var(--r-sm);
  font-size:13px;color:#9BF3E8;
  background:rgba(53,214,196,.1);
  border:1px solid rgba(53,214,196,.4);
}
.form-msg.show{display:block;}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:72px 0 96px;
  position:relative;
}
.foot-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.foot-grid > .cell{padding-left:12px;padding-right:12px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-desc{font-size:14px;line-height:1.85;color:var(--ink-2);max-width:320px;margin-bottom:18px;}
.foot-contact{font-size:13px;color:var(--ink-3);line-height:1.9;}
.foot-contact a{color:var(--ink-2);}
.foot-contact a:hover{color:var(--star);}
.foot-title{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:16px;letter-spacing:.02em;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--ink-2);}
.foot-links a:hover{color:var(--star);text-decoration:underline;text-underline-offset:4px;}
.foot-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.to-top{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);
  transition:all .18s ease-out;
}
.to-top:hover{color:var(--star);border-color:var(--line-star);box-shadow:0 0 0 1px rgba(53,214,196,.4);}

/* ---------- 浮动 CTA ---------- */
.fab{
  position:fixed;right:28px;bottom:28px;z-index:130;
  display:inline-flex;align-items:center;gap:8px;
  min-height:48px;padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid rgba(53,214,196,.5);
  background:rgba(11,18,38,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  color:var(--ink);
  font-size:14px;font-weight:600;
  box-shadow:0 0 0 1px rgba(53,214,196,.24),0 14px 34px -16px rgba(53,214,196,.6);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s;
}
.fab.show{opacity:1;visibility:visible;transform:none;}
.fab:hover{color:var(--star);border-color:var(--star);}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease-out,transform .5s ease-out;}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media screen and (min-width:1440px){
  .grid-container{max-width:1280px;}
}
@media screen and (max-width:1199px){
  .head-nav{gap:4px;}
  .nav-tile{padding:0 9px;font-size:12px;}
  .nav-tile svg{width:15px;height:15px;}
}
@media screen and (max-width:1023px){
  .nav-tile{padding:0 8px;}
  .nav-tile .tlabel{display:none;}
  .nav-tile{width:44px;justify-content:center;padding:0;}
  .nav-tile.is-active::after{display:none;}
  .hero-copy{max-width:none;}
  .starmap{margin-top:36px;}
  .step{flex:1 1 100%;padding-bottom:24px;}
  .step-line{display:none;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .price-card.is-featured{transform:none;}
  .price-card.is-featured:hover{transform:translateY(-2px);}
  .cta-band{padding:32px;}
  .stat{flex:1 1 45%;}
}
@media screen and (max-width:767px){
  .sec{padding:64px 0;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x > .cell{padding-left:8px;padding-right:8px;margin-bottom:16px;}
  .sec-head{margin-bottom:32px;}
  .head-inner{padding:10px 14px;gap:10px;}
  .head-nav{
    position:absolute;left:0;right:0;top:calc(100% + 8px);
    display:none;flex-direction:column;align-items:stretch;
    gap:8px;padding:14px;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background:rgba(11,18,38,.97);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    box-shadow:var(--shadow);
    margin:0;
  }
  .head-nav.open{display:flex;}
  .nav-tile{
    width:100%;height:56px;justify-content:flex-start;
    padding:0 16px;font-size:14px;
  }
  .nav-tile .tlabel{display:inline;}
  .nav-tile svg{width:18px;height:18px;}
  .nav-tile.is-active::after{display:block;}
  .site-head{position:sticky;}
  .site-head .grid-container{position:relative;}
  .nav-toggle{display:inline-flex;}
  .head-actions .btn-primary{display:none;}
  .hero{padding:20px 0 64px;}
  .hero-grid{flex-direction:column-reverse;}
  .hero-grid > .cell{width:100%;}
  .starmap{margin-top:0;margin-bottom:32px;padding:12px;}
  .fs-a{left:0;bottom:-14px;padding:8px 12px;}
  .fs-b{right:0;top:-14px;padding:8px 12px;}
  .fs-num{font-size:16px;}
  .hero-cta .btn{flex:1 1 auto;}
  .cta-band{padding:24px;}
  .faq-panel{padding:0 18px 18px 18px;}
  .faq-btn{padding:16px 18px;font-size:15px;gap:10px;}
  .form-grid{margin-left:0;margin-right:0;}
  .form-grid > .field{padding-left:0;padding-right:0;}
  .site-foot{padding:56px 0 96px;}
  .foot-grid > .cell{margin-bottom:28px;}
  .fab{
    right:0;left:0;bottom:0;
    width:100%;height:56px;border-radius:0;
    justify-content:center;
    padding-bottom:env(safe-area-inset-bottom);
    border-left:0;border-right:0;border-bottom:0;
    background:rgba(11,18,38,.97);
  }
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .proof-band{padding:22px;}
  .stat{flex:1 1 100%;border-left:0;padding-left:0;}
  .stat + .stat{border-top:1px solid var(--line);padding-top:16px;}
}
@media screen and (max-width:519px){
  .hero h1{font-size:30px;}
  .sec-title{font-size:24px;}
  .chip{font-size:12px;padding:5px 12px;}
  .value-card,.news-card,.quote-card,.price-card{padding:20px;}
  .logo-wall{grid-template-columns:repeat(2,1fr);gap:10px;}
  .logo-cell{font-size:13px;min-height:64px;}
}
@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: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#070B1A;
  --bg-1:#0B1226;
  --bg-2:#0F1730;
  --panel:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  --panel-solid:#121A36;
  --line:rgba(140,170,255,.16);
  --line-strong:rgba(140,170,255,.30);
  --ink:#EEF3FF;
  --ink-2:#A8B4D4;
  --ink-3:#6E7BA0;
  --star:#35D6C4;
  --star-deep:#1FA89A;
  --gold:#E9B65C;
  --violet:#6C5CE7;
  --danger:#FF7A7A;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow:0 12px 32px -20px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(53,214,196,.5),0 10px 30px -10px rgba(53,214,196,.55);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --max:1200px;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg-0);
  background-image:
    radial-gradient(circle at 12% -8%,rgba(53,214,196,.10),transparent 42%),
    radial-gradient(circle at 88% 4%,rgba(108,92,231,.10),transparent 46%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--star);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out}
a:hover{color:#5EEBD9}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--star);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
strong{color:#fff;font-weight:600}
::selection{background:rgba(53,214,196,.28);color:#fff}
section{scroll-margin-top:96px}
/* ============ 容器 ============ */
.grid-container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.grid-container.full{max-width:100%}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%}
@media (min-width:1024px){
  .grid-x>.large-2{width:16.6667%}
  .grid-x>.large-3{width:25%}
  .grid-x>.large-4{width:33.3333%}
  .grid-x>.large-5{width:41.6667%}
  .grid-x>.large-6{width:50%}
  .grid-x>.large-7{width:58.3333%}
  .grid-x>.large-8{width:66.6667%}
}
/* ============ 导航卡 ============ */
.site-head{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  transition:padding .2s ease-out;
}
.site-head.is-scrolled{padding:6px 0}
.head-inner{
  display:flex;align-items:center;gap:18px;
  padding:12px 20px;
  min-height:76px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(18,26,54,.92),rgba(11,18,38,.86));
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:min-height .2s ease-out,backdrop-filter .2s ease-out,background .2s ease-out;
}
.site-head.is-scrolled .head-inner{
  min-height:62px;
  background:linear-gradient(160deg,rgba(14,21,44,.97),rgba(9,14,30,.94));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{color:var(--star);flex:0 0 auto}
.brand-name{
  font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
}
.head-nav{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:nowrap}
.nav-tile{
  display:flex;align-items:center;gap:7px;
  padding:9px 12px;
  min-height:48px;
  border:1px solid rgba(140,170,255,.10);
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.02);
  color:var(--ink-2);
  font-size:13px;line-height:1.3;
  white-space:nowrap;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.nav-tile svg{color:var(--ink-3);transition:color .18s ease-out}
.nav-tile:hover{
  background:rgba(255,255,255,.07);
  border-color:rgba(53,214,196,.55);
  color:var(--ink);
  transform:translateY(-1px);
}
.nav-tile:hover svg{color:var(--star)}
.nav-tile.is-active{
  background:rgba(53,214,196,.10);
  border-color:rgba(53,214,196,.42);
  color:var(--ink);
  position:relative;
}
.nav-tile.is-active svg{color:var(--star)}
.nav-tile.is-active::after{
  content:"";position:absolute;top:6px;right:6px;
  width:5px;height:5px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 8px rgba(233,182,92,.8);
}
.head-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:8px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--ink);
  background:rgba(255,255,255,.03);
}
.nav-toggle:hover{border-color:rgba(53,214,196,.5)}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .16s ease-out,background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out;
}
.btn-primary{
  color:#04211F;
  background:linear-gradient(160deg,#4FE7D4,#22B6A7);
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04211F;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(53,214,196,.7),0 14px 34px -10px rgba(53,214,196,.65);
}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{
  color:var(--ink);
  background:rgba(255,255,255,.03);
  border-color:var(--line);
}
.btn-ghost:hover{
  color:var(--ink);
  border-color:rgba(53,214,196,.6);
  background:rgba(53,214,196,.08);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0;
  color:var(--star);font-size:15px;font-weight:600;
  border-radius:8px;
}
.btn-link svg{transition:transform .18s ease-out}
.btn-link:hover{color:#5EEBD9;text-decoration:underline;text-underline-offset:3px}
.btn-link:hover svg{transform:translateX(3px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;pointer-events:none}
/* ============ 分类页压缩 Hero ============ */
.page-hero{position:relative;padding:64px 0 52px;overflow:hidden}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.12;
  filter:blur(1px) saturate(1.1);
  z-index:0;
}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,26,.5),rgba(7,11,26,.94));
}
.page-hero .grid-container{position:relative;z-index:1}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);margin-bottom:18px;
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--star)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(53,214,196,.4);
  background:rgba(53,214,196,.10);
  color:#8FF2E6;font-size:12px;letter-spacing:.08em;line-height:1.4;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(233,182,92,.9)}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.18;
  font-weight:700;
  letter-spacing:-.01em;
  margin:18px 0 14px;
  max-width:900px;
}
.page-hero h1 .hl{
  background:linear-gradient(180deg,transparent 66%,rgba(53,214,196,.28) 66%);
  padding:0 2px;
}
.hero-sub{
  max-width:760px;
  font-size:16px;line-height:1.8;color:var(--ink-2);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:13px;color:var(--ink-2);
}
.chip .num{color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums}
/* ============ 筛选胶囊条 ============ */
.filter-bar{padding:26px 0 8px}
.filter-inner{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:14px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
}
.filter-label{font-size:12px;letter-spacing:.08em;color:var(--ink-3);margin-right:4px}
.pill{
  display:inline-flex;align-items:center;
  min-height:38px;padding:7px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--ink-2);font-size:13.5px;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.pill:hover{border-color:rgba(53,214,196,.55);color:var(--ink);transform:translateY(-1px)}
.pill.is-on{
  background:linear-gradient(160deg,#4FE7D4,#22B6A7);
  border-color:transparent;
  color:#04211F;font-weight:600;
  box-shadow:0 0 0 1px rgba(53,214,196,.5),0 10px 26px -12px rgba(53,214,196,.6);
}
/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.alt{background:linear-gradient(180deg,rgba(11,18,38,.85),rgba(11,18,38,0))}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.28;font-weight:700;letter-spacing:-.005em;
}
.sec-head p{margin-top:12px;color:var(--ink-2);font-size:15.5px}
.sec-head .kicker{
  display:block;margin-bottom:10px;
  font-size:12px;letter-spacing:.1em;color:var(--star);
}
/* ============ 卡片网格（本页主版式：3 列等宽） ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.topic-card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--panel);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
  overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.topic-card:hover{
  transform:translateY(-2px);
  border-color:rgba(53,214,196,.34);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.9),inset 0 1px 0 rgba(255,255,255,.16);
}
.topic-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  background:linear-gradient(150deg,#16204a,#0C1330);
  overflow:hidden;
}
.topic-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease-out,opacity .2s ease-out;
}
.topic-card:hover .thumb img{transform:scale(1.03)}
.topic-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,26,0) 40%,rgba(7,11,26,.55));
  pointer-events:none;
}
.topic-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.badge{
  display:inline-flex;align-items:center;
  align-self:flex-start;
  padding:4px 10px;border-radius:6px;
  font-size:12px;line-height:1.4;letter-spacing:.04em;
  color:#8FF2E6;
  background:rgba(53,214,196,.12);
  border:1px solid rgba(53,214,196,.4);
}
.topic-card h3{
  font-size:18px;line-height:1.45;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-card p{
  font-size:14.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.card-foot .arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--star);font-weight:600;
}
.card-foot .arrow svg{transition:transform .18s ease-out}
.topic-card:hover .card-foot .arrow svg{transform:translateX(3px)}
/* ============ 卖点小卡 ============ */
.value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.value-card{
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--panel);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.value-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.32)}
.value-card .no{
  display:block;font-size:12px;letter-spacing:.1em;color:var(--gold);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.value-card .ic{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  color:var(--star);
  background:rgba(53,214,196,.10);
  border:1px solid rgba(53,214,196,.28);
  margin-bottom:14px;
}
.value-card h3{font-size:17px;line-height:1.45;font-weight:600;margin-bottom:8px}
.value-card p{font-size:14px;color:var(--ink-2);line-height:1.75}
/* ============ 流程 ============ */
.flow{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;position:relative;
}
.flow-step{
  position:relative;padding:24px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--panel);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
}
.flow-step .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  border:1px solid rgba(53,214,196,.5);
  color:var(--star);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow-step h3{font-size:16.5px;font-weight:600;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--ink-2);line-height:1.75}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--panel);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12);
  transition:border-color .18s ease-out,background .18s ease-out;
  overflow:hidden;
}
.faq-item.is-open{border-color:rgba(53,214,196,.5);background:linear-gradient(160deg,rgba(53,214,196,.09),rgba(255,255,255,.03))}
.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:18px 22px;text-align:left;
  color:var(--ink);font-size:16px;font-weight:600;line-height:1.5;
}
.faq-q .qn{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);
  color:var(--ink-2);font-size:13px;font-variant-numeric:tabular-nums;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.faq-item.is-open .faq-q .qn{background:var(--star);border-color:var(--star);color:#04211F}
.faq-q .sign{
  margin-left:auto;flex:0 0 auto;color:var(--star);
  transition:transform .2s ease-out;
}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg)}
.faq-a{
  display:none;
  padding:0 22px 20px 68px;
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq-item.is-open .faq-a{display:block;animation:fadeUp .2s ease-out}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* ============ 收尾 CTA ============ */
.cta-band{padding:0 0 96px}
.cta-card{
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  padding:34px 36px;
  border:1px solid rgba(53,214,196,.28);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(53,214,196,.10),rgba(108,92,231,.10) 70%,rgba(255,255,255,.03));
  box-shadow:0 24px 60px -40px rgba(53,214,196,.7),inset 0 1px 0 rgba(255,255,255,.16);
}
.cta-card .txt{flex:1 1 420px;min-width:260px}
.cta-card h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700}
.cta-card p{margin-top:10px;font-size:15px;color:var(--ink-2)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ============ 页脚 ============ */
.site-foot{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 72px;
}
.foot-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.foot-grid>.cell{padding:0 12px 28px}
.foot-brand .brand{margin-bottom:14px}
.foot-desc{font-size:14px;line-height:1.8;color:var(--ink-2);max-width:340px}
.foot-contact{margin-top:16px;font-size:13px;color:var(--ink-3);line-height:1.9}
.foot-contact a{color:var(--ink-2)}
.foot-contact a:hover{color:var(--star)}
.foot-title{font-size:12px;letter-spacing:.1em;color:var(--ink-3);margin-bottom:14px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--ink-2);font-size:14px;line-height:1.5}
.foot-links a:hover{color:var(--star);text-decoration:underline;text-underline-offset:3px}
.foot-bottom{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  padding-top:22px;margin-top:8px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.to-top{
  margin-left:auto;
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
  transition:border-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.to-top:hover{
  color:var(--star);border-color:rgba(53,214,196,.55);
  box-shadow:0 0 0 1px rgba(53,214,196,.35),0 10px 24px -12px rgba(53,214,196,.6);
  transform:translateY(-1px);
}
/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 20px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:#04211F;
  background:linear-gradient(160deg,#4FE7D4,#22B6A7);
  box-shadow:var(--glow);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease-out,transform .25s ease-out,visibility .25s;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:none}
.float-cta:hover{color:#04211F;filter:brightness(1.06);transform:translateY(-1px)}
/* ============ 响应式 ============ */
@media (max-width:1180px){
  .head-nav{display:none}
  .nav-toggle{display:inline-flex}
  .head-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:8px;
    position:absolute;left:32px;right:32px;top:calc(100% + 10px);
    padding:14px;
    border:1px solid var(--line);border-radius:var(--r-lg);
    background:linear-gradient(160deg,rgba(18,26,54,.99),rgba(11,18,38,.98));
    box-shadow:0 24px 60px -30px rgba(0,0,0,.95),inset 0 1px 0 rgba(255,255,255,.12);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  }
  .head-nav.is-open .nav-tile{min-height:56px;font-size:15px;justify-content:flex-start;padding:14px 16px}
  .head-nav.is-open .nav-tile::after{display:none}
  .head-inner{position:relative}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-hero{padding:48px 0 40px}
  .head-nav.is-open{left:24px;right:24px}
}
@media (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .head-inner{padding:10px 14px;min-height:66px;gap:10px}
  .brand-name{font-size:16px}
  .head-right .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .head-nav.is-open{left:20px;right:20px}
  .section{padding:56px 0}
  .section.tight{padding:48px 0}
  .card-grid{grid-template-columns:1fr}
  .value-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-sub{font-size:15px}
  .faq-q{font-size:15px;padding:16px 18px;gap:10px}
  .faq-a{padding:0 18px 18px 60px;font-size:14.5px}
  .cta-card{padding:26px 22px}
  .cta-band{padding-bottom:96px}
  .site-foot{padding:48px 0 88px}
  .float-cta{
    right:0;left:0;bottom:0;
    justify-content:center;
    border-radius:0;
    height:56px;padding:0 16px;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .float-cta.is-show{transform:none}
  .foot-bottom{font-size:12.5px;gap:10px}
  .to-top{margin-left:0}
}
@media (max-width:520px){
  .eyebrow{font-size:11px;padding:5px 12px}
  .hero-meta{gap:8px}
  .chip{font-size:12px;padding:7px 12px}
  .filter-inner{padding:12px;gap:8px}
  .pill{font-size:12.5px;padding:6px 13px;min-height:36px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: article */
/* ============================================================
   设计变量区
   ============================================================ */
:root{
  --bg-0:#070B1A;
  --bg-1:#0B1226;
  --bg-2:#0F1730;
  --panel:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  --panel-solid:#121A36;
  --line:rgba(140,170,255,.16);
  --line-strong:rgba(140,170,255,.28);
  --ink:#EEF3FF;
  --ink-2:#A8B4D4;
  --ink-3:#6E7BA0;
  --star:#35D6C4;
  --star-deep:#1FA89A;
  --gold:#E9B65C;
  --violet:#6C5CE7;
  --warn:#FF7A7A;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-pill:999px;
  --sh-card:0 12px 32px -20px rgba(0,0,0,.8);
  --sh-glow:0 0 0 1px rgba(53,214,196,.5),0 10px 30px -10px rgba(53,214,196,.55);
  --inset:inset 0 1px 0 rgba(255,255,255,.12);
  --max:1200px;
}

/* ============================================================
   基础重置
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg-0);
  background-image:
    radial-gradient(rgba(160,190,255,.30) 1px,transparent 1px),
    radial-gradient(rgba(160,190,255,.16) 1px,transparent 1px);
  background-size:56px 56px,56px 56px;
  background-position:0 0,28px 28px;
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--star);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:#7BF0E2;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:20px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--star);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(53,214,196,.28);color:#fff;}

/* ============================================================
   容器与栅格
   ============================================================ */
.grid-container{
  width:100%;
  max-width:var(--max);
  margin-left:auto;
  margin-right:auto;
  padding-left:32px;
  padding-right:32px;
}
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px;}
}

/* ============================================================
   导航卡
   ============================================================ */
.site-head{
  position:sticky;
  top:0;
  z-index:80;
  padding:12px 0 0;
}
.head-inner{
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 20px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--sh-card),var(--inset);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:padding .2s ease-out,background .2s ease-out,backdrop-filter .2s ease-out;
}
.site-head.is-scrolled .head-inner{
  padding:6px 20px;
  background:rgba(11,18,38,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{color:var(--star);flex:0 0 auto;}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
.head-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-tile{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid rgba(140,170,255,.10);
  background:transparent;
  color:var(--ink-2);
  font-size:13px;
  line-height:1;
  white-space:nowrap;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.nav-tile:hover{
  background:rgba(255,255,255,.06);
  border-color:rgba(53,214,196,.45);
  color:var(--ink);
  transform:translateY(-1px);
}
.nav-tile .tlabel{font-size:13px;letter-spacing:.02em;}
.nav-tile.is-active{
  background:rgba(53,214,196,.10);
  border-color:rgba(53,214,196,.42);
  color:var(--ink);
  position:relative;
}
.nav-tile.is-active::after{
  content:"";
  position:absolute;
  top:6px;
  right:6px;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--gold);
}
.head-cta{flex:0 0 auto;margin-left:8px;}
.menu-btn{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  cursor:pointer;
  flex:0 0 auto;
}
.menu-btn:hover{border-color:rgba(53,214,196,.5);}

/* 移动端抽屉 */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  display:none;
}
.drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;
  inset:0;
  background:rgba(4,8,20,.72);
  backdrop-filter:blur(4px);
}
.drawer-card{
  position:absolute;
  top:12px;
  left:16px;
  right:16px;
  padding:16px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.9);
}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:12px;
}
.drawer-title{font-size:14px;color:var(--ink-3);letter-spacing:.08em;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--ink);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:56px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:15px;
}
.drawer-link + .drawer-link{margin-top:6px;}
.drawer-link:hover,.drawer-link.is-active{
  background:rgba(255,255,255,.06);
  border-color:rgba(53,214,196,.35);
  color:var(--ink);
}
.drawer-link .arrow{color:var(--star);}

/* ============================================================
   按钮体系
   ============================================================ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{
  background:linear-gradient(180deg,var(--star),var(--star-deep));
  color:#04171B;
  box-shadow:var(--sh-glow);
}
.btn-primary:hover{
  color:#04171B;
  transform:translateY(-1px);
  filter:brightness(1.06);
}
.btn-primary:active{
  transform:translateY(1px);
  box-shadow:0 0 0 1px rgba(53,214,196,.5);
}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{
  border-color:rgba(53,214,196,.6);
  color:var(--ink);
  background:rgba(53,214,196,.06);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  color:var(--star);
}
.link-more svg{transition:transform .18s ease-out;}
.link-more:hover svg{transform:translateX(3px);}

/* ============================================================
   徽章 / 标签
   ============================================================ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-size:12px;
  line-height:1.4;
  letter-spacing:.04em;
  border-radius:999px;
  background:rgba(53,214,196,.12);
  border:1px solid rgba(53,214,196,.40);
  color:#B8F5EE;
  white-space:nowrap;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  font-size:13px;
  line-height:1.4;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  color:var(--ink-2);
}
.tag:hover{border-color:rgba(53,214,196,.45);color:var(--ink);}

/* ============================================================
   通用玻璃卡
   ============================================================ */
.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-card),var(--inset);
}

/* ============================================================
   文章页主体
   ============================================================ */
.article-main{padding:24px 0 72px;}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
  padding:6px 0 0;
}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--star);}
.crumbs .sep{color:rgba(140,170,255,.35);}
.crumbs .current{color:var(--ink-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:32px;
  align-items:start;
  margin-top:22px;
}

.article-shell{
  padding:34px 36px 36px;
  border-radius:var(--r-l);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--sh-card),var(--inset);
}
.article-head{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:6px;}
.article-head .badge{margin-bottom:14px;}
.article-title{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.28;
  letter-spacing:-.01em;
  margin:0 0 14px;
  color:var(--ink);
}
.article-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(140,170,255,.4);}

.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:760px;
  padding-top:22px;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.35;
  color:var(--ink);
  margin:40px 0 16px;
  padding-left:14px;
  scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  bottom:.24em;
  width:3px;
  border-radius:3px;
  background:var(--star);
}
.article-body h3{
  font-size:22px;
  line-height:1.4;
  font-weight:600;
  color:var(--ink);
  margin:28px 0 12px;
  scroll-margin-top:110px;
}
.article-body h4{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
  margin:22px 0 10px;
}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;}
.article-body li{margin:6px 0;}
.article-body ul li::marker{color:var(--gold);}
.article-body ol li::marker{color:var(--star);font-variant-numeric:tabular-nums;}
.article-body blockquote{
  margin:24px 0;
  padding:14px 18px;
  border-left:2px solid var(--star);
  background:rgba(255,255,255,.04);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:14px;
  border:1px solid var(--line);
  margin:12px 0;
}
.article-body figure{margin:20px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:20px 0;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 12px;
  text-align:left;
  vertical-align:top;
}
.article-body thead th{background:rgba(255,255,255,.05);color:var(--ink);font-weight:600;}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.04);}
.article-body a{color:var(--star);border-bottom:1px solid rgba(53,214,196,.35);}
.article-body a:hover{color:#7BF0E2;border-bottom-color:rgba(123,240,226,.7);}
.article-body code{
  background:rgba(255,255,255,.07);
  border:1px solid var(--line);
  border-radius:6px;
  padding:1px 6px;
  font-size:14px;
  color:#CFF7F2;
}
.article-body strong{color:var(--ink);font-weight:600;}

.article-foot{
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;max-width:70%;}
.article-actions{display:flex;gap:10px;flex-wrap:wrap;}

.empty-article{
  text-align:center;
  padding:48px 16px 40px;
}
.empty-article .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:20px;
  border:1px solid var(--line);
  background:rgba(53,214,196,.08);
  color:var(--star);
}
.empty-article h1{
  font-size:clamp(24px,3vw,32px);
  margin:0 0 12px;
}
.empty-article p{color:var(--ink-2);max-width:520px;margin:0 auto 22px;}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  padding:22px 22px 24px;
  border-radius:var(--r-l);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--sh-card),var(--inset);
}
.side-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink-3);
  margin:0 0 14px;
  text-transform:uppercase;
}
.side-title::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--gold);
}
.toc-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;}
.toc-list a{
  display:block;
  padding:8px 10px;
  border-radius:var(--r-s);
  font-size:14px;
  line-height:1.55;
  color:var(--ink-2);
  border-left:2px solid transparent;
}
.toc-list a:hover,.toc-list a.is-current{
  color:var(--ink);
  background:rgba(255,255,255,.05);
  border-left-color:var(--star);
}
.toc-empty{font-size:14px;color:var(--ink-3);margin:0;}

.side-note p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0 0 16px;}
.side-note .btn{width:100%;}

.side-list{display:grid;gap:12px;}
.side-item{display:block;color:var(--ink);}
.side-item:hover .side-item-title{color:var(--star);}
.side-item-title{
  font-size:15px;
  font-weight:600;
  line-height:1.55;
  margin:0 0 4px;
  transition:color .18s ease-out;
}
.side-item-meta{font-size:13px;color:var(--ink-3);margin:0;}

/* 相关推荐 */
.related{padding:8px 0 72px;}
.related-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px;
  flex-wrap:wrap;
}
.related-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;margin:0;}
.related-head p{margin:6px 0 0;font-size:14px;color:var(--ink-3);}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.rel-card{
  display:grid;
  grid-template-columns:112px minmax(0,1fr);
  gap:16px;
  padding:16px;
  border-radius:var(--r-m);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--sh-card),var(--inset);
  color:var(--ink);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.42);color:var(--ink);}
.rel-thumb{
  width:112px;
  aspect-ratio:4/3;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(150deg,#132043,#0C1330);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-title{
  font-size:15px;
  font-weight:600;
  line-height:1.6;
  margin:0 0 6px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-date{font-size:13px;color:var(--ink-3);margin:0;}

/* CTA 横卡 */
.cta-band{padding:0 0 88px;}
.cta-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:32px 36px;
  border-radius:var(--r-l);
  background:linear-gradient(120deg,rgba(53,214,196,.14),rgba(108,92,231,.12) 70%,rgba(255,255,255,.03));
  border:1px solid rgba(53,214,196,.32);
  box-shadow:var(--sh-card),var(--inset);
  flex-wrap:wrap;
}
.cta-card h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;margin:0 0 8px;}
.cta-card p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.8;max-width:620px;}
.cta-card .btn{flex:0 0 auto;}

/* ============================================================
   页脚
   ============================================================ */
.site-foot{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 96px;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:28px 24px;
}
.foot-grid > .cell.large-4{grid-column:span 4;}
.foot-grid > .cell.large-3{grid-column:span 3;}
.foot-grid > .cell.large-2{grid-column:span 2;}
.foot-brand .brand{margin-bottom:14px;}
.foot-desc{
  font-size:14px;
  line-height:1.85;
  color:var(--ink-3);
  margin:0 0 14px;
  max-width:340px;
}
.foot-contact{font-size:13px;line-height:1.9;color:var(--ink-3);margin:0;}
.foot-contact a{color:var(--ink-2);}
.foot-contact a:hover{color:var(--star);}
.foot-title{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--ink);
  font-weight:600;
  margin:0 0 14px;
}
.foot-links{display:grid;gap:10px;}
.foot-links a{
  font-size:14px;
  color:var(--ink-3);
  width:fit-content;
}
.foot-links a:hover{color:var(--star);}
.foot-bottom{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(140,170,255,.12);
  font-size:13px;
  color:var(--ink-3);
}
.to-top{
  margin-left:auto;
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
  transition:border-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out;
}
.to-top:hover{
  border-color:rgba(53,214,196,.6);
  color:var(--star);
  box-shadow:0 0 0 1px rgba(53,214,196,.35),0 8px 24px -14px rgba(53,214,196,.8);
}

/* 浮动 CTA */
.fab{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:48px;
  padding:0 20px;
  border-radius:var(--r-pill);
  background:rgba(18,26,54,.9);
  border:1px solid rgba(53,214,196,.55);
  box-shadow:0 0 0 1px rgba(53,214,196,.25),0 16px 36px -18px rgba(53,214,196,.8);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  opacity:0;
  transform:translateY(10px);
  pointer-events:none;
  transition:opacity .22s ease-out,transform .22s ease-out,background .18s ease-out;
}
.fab.is-show{opacity:1;transform:none;pointer-events:auto;}
.fab:hover{background:rgba(23,34,68,.95);color:var(--ink);}
.fab svg{color:var(--star);}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1279px){
  .nav-tile{padding:0 10px;}
  .nav-tile .tlabel{font-size:12.5px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px;}
}
@media (max-width:1023px){
  .head-nav{display:none;}
  .menu-btn{display:inline-flex;}
  .head-cta{margin-left:auto;}
  .brand-name{font-size:16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .related-grid{grid-template-columns:1fr;}
  .foot-grid > .cell.large-4{grid-column:span 12;}
  .foot-grid > .cell.large-3{grid-column:span 6;}
  .foot-grid > .cell.large-2{grid-column:span 6;}
  .article-shell{padding:28px 26px 30px;}
}
@media (max-width:767px){
  .site-head{padding:10px 0 0;}
  .head-inner{border-radius:20px;padding:8px 14px;}
  .head-cta .btn{padding:0 16px;font-size:14px;}
  .article-body{font-size:16px;line-height:1.85;}
  .cta-card{padding:24px;}
  .cta-card .btn{width:100%;}
  .related-head{flex-direction:column;align-items:flex-start;}
  .article-tags{max-width:100%;}
  .rel-card{grid-template-columns:96px minmax(0,1fr);}
  .rel-thumb{width:96px;}
}
@media (max-width:639px){
  .brand-name{font-size:15px;}
  .article-main{padding:16px 0 52px;}
  .article-shell{padding:22px 18px 24px;border-radius:var(--r-m);}
  .article-title{font-size:26px;}
  .crumbs{font-size:12px;}
  .crumbs .current{max-width:46vw;}
  .article-body h2{margin-top:32px;}
  .article-body h3{font-size:20px;}
  .foot-grid > .cell.large-2{grid-column:span 12;}
  .foot-grid > .cell.large-3{grid-column:span 12;}
  .site-foot{padding:48px 0 96px;}
  .fab{
    left:0;right:0;bottom:0;
    width:100%;
    border-radius:0;
    border-left:0;border-right:0;border-bottom:0;
    justify-content:center;
    padding-bottom:env(safe-area-inset-bottom);
    min-height:56px;
  }
  .to-top{margin-left:0;}
  .foot-bottom{gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg-0:#070B1A;
  --bg-1:#0B1226;
  --bg-2:#0F1730;
  --panel:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  --panel-solid:#121A36;
  --line:rgba(140,170,255,.16);
  --line-strong:rgba(53,214,196,.42);
  --ink:#EEF3FF;
  --ink-2:#A8B4D4;
  --ink-3:#6E7BA0;
  --star:#35D6C4;
  --star-deep:#1FA89A;
  --gold:#E9B65C;
  --violet:#6C5CE7;
  --warn:#FF7A7A;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-card:0 12px 32px -20px rgba(0,0,0,.8);
  --hi:inset 0 1px 0 rgba(255,255,255,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:
    radial-gradient(900px 520px at 84% -8%,rgba(108,92,231,.16),transparent 62%),
    radial-gradient(720px 420px at 8% 4%,rgba(53,214,196,.10),transparent 60%),
    var(--bg-0);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--star);text-decoration:none;transition:color .18s var(--ease),opacity .18s var(--ease);}
a:hover{color:#7FF0E3;}
p{margin:0 0 14px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.005em;}
ul,ol{margin:0 0 14px;padding-left:20px;}
li{margin-bottom:8px;color:var(--ink-2);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--star);outline-offset:2px;border-radius:6px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
@media (max-width:639px){.grid-container{padding-left:20px;padding-right:20px;}}

/* ============ 导航卡 ============ */
.site-head{
  position:sticky;top:0;z-index:60;
  padding:14px 0 0;
  transition:padding .2s var(--ease);
}
.head-inner{
  display:flex;align-items:center;gap:18px;
  padding:12px 18px;
  border:1px solid var(--line);
  border-radius:24px;
  background:linear-gradient(150deg,rgba(18,26,54,.86),rgba(10,16,36,.72));
  box-shadow:var(--hi),0 18px 40px -30px rgba(0,0,0,.9);
  backdrop-filter:blur(12px);
  transition:background .2s var(--ease),backdrop-filter .2s var(--ease),padding .2s var(--ease),box-shadow .2s var(--ease);
}
.site-head.is-scrolled{padding-top:8px;}
.site-head.is-scrolled .head-inner{
  padding:7px 18px;
  background:linear-gradient(150deg,rgba(15,23,48,.96),rgba(7,11,26,.92));
  backdrop-filter:blur(16px);
  box-shadow:var(--hi),0 22px 46px -28px rgba(0,0,0,.95);
}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{color:var(--star);flex:0 0 auto;filter:drop-shadow(0 0 8px rgba(53,214,196,.45));}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.head-nav{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap;}
.nav-tile{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:8px 12px;
  border:1px solid transparent;border-radius:12px;
  color:var(--ink-2);font-size:13px;line-height:1.4;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
  white-space:nowrap;
}
.nav-tile svg{opacity:.85;}
.nav-tile:hover{background:rgba(255,255,255,.06);border-color:var(--line);color:var(--ink);transform:translateY(-1px);}
.nav-tile.is-active{color:var(--ink);background:rgba(53,214,196,.10);border-color:rgba(53,214,196,.32);}
.nav-tile.is-active::after{
  content:"";position:absolute;left:50%;bottom:4px;width:4px;height:4px;margin-left:-2px;
  border-radius:50%;background:var(--gold);box-shadow:0 0 6px rgba(233,182,92,.8);
}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:10px;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-burger:hover{background:rgba(255,255,255,.1);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .16s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.btn svg{flex:0 0 auto;}
.btn-primary{
  color:#04211E;
  background:linear-gradient(180deg,#4BE3D1,#26C4B2);
  box-shadow:0 0 0 1px rgba(53,214,196,.5),0 10px 30px -10px rgba(53,214,196,.55);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04211E;}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(53,214,196,.35);background:linear-gradient(180deg,#3ED2C0,var(--star-deep));}
.btn-ghost{
  color:var(--ink);background:rgba(255,255,255,.03);border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--ink);background:rgba(53,214,196,.08);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:13px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--star);}
.link-arrow svg{transition:transform .18s var(--ease);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 压缩 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  margin-top:22px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel),var(--bg-1);
  box-shadow:var(--hi),var(--sh-card);
  padding:46px 40px;
  min-height:250px;
  display:flex;align-items:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.12;filter:saturate(.85);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-70px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(140,170,255,.14);
  box-shadow:0 0 0 40px rgba(140,170,255,.04),0 0 0 90px rgba(140,170,255,.025);
  pointer-events:none;
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:760px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:16px;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--star);}
.crumb span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.18;letter-spacing:-.01em;margin-bottom:14px;
}
.page-hero h1 em{font-style:normal;color:var(--star);}
.hero-lead{font-size:16px;line-height:1.8;color:var(--ink-2);max-width:640px;margin:0;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;color:var(--ink-2);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
}
.pill i{width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section.tight{padding:56px 0;}
.sec-head{max-width:720px;margin-bottom:36px;}
.sec-title{font-size:clamp(24px,3vw,34px);line-height:1.28;margin-bottom:12px;}
.sec-sub{font-size:15px;color:var(--ink-2);margin:0;line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--star);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--star),transparent);}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:14px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--panel);box-shadow:var(--hi);
  margin-top:26px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:38px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  cursor:pointer;transition:all .18s var(--ease);
}
.chip:hover{color:var(--ink);border-color:var(--line-strong);}
.chip.is-on{
  color:#04211E;font-weight:600;
  background:linear-gradient(180deg,#4BE3D1,#26C4B2);
  border-color:rgba(53,214,196,.6);
  box-shadow:0 0 0 1px rgba(53,214,196,.4),0 8px 22px -12px rgba(53,214,196,.7);
}

/* ============ 行卡列表 ============ */
.row-list{display:flex;flex-direction:column;gap:18px;}
.row-card{
  display:grid;grid-template-columns:236px 1fr;gap:24px;align-items:stretch;
  padding:20px;border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--panel),var(--bg-1);
  box-shadow:var(--hi),var(--sh-card);
  color:var(--ink);
  transition:transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.row-card:hover{
  transform:translateY(-2px);
  border-color:rgba(53,214,196,.3);
  color:var(--ink);
  box-shadow:var(--hi),0 22px 44px -26px rgba(0,0,0,.9);
}
.row-thumb{
  position:relative;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(150deg,#16203C,#0B1226);
  aspect-ratio:4/3;align-self:center;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.row-card:hover .row-thumb img{transform:scale(1.04);}
.row-body{display:flex;flex-direction:column;justify-content:center;min-width:0;}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 11px;border-radius:6px;
  font-size:12px;line-height:1.4;letter-spacing:.04em;
  color:#8FF3E8;background:rgba(53,214,196,.12);
  border:1px solid rgba(53,214,196,.36);
  margin-bottom:12px;
}
.row-body h3{font-size:18px;line-height:1.5;margin-bottom:8px;font-weight:600;}
.row-body p{
  font-size:14px;line-height:1.8;color:var(--ink-2);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:auto;}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--ink-3);}
.row-tags span{padding:3px 9px;border:1px solid var(--line);border-radius:var(--r-pill);}
.row-go{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);color:var(--star);flex:0 0 auto;
  transition:all .18s var(--ease);
}
.row-card:hover .row-go{background:rgba(53,214,196,.14);border-color:var(--line-strong);transform:translateX(2px);}

/* ============ 场景三卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.scene-card{
  padding:26px 24px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--panel);
  box-shadow:var(--hi),var(--sh-card);
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.3);}
.scene-num{font-size:12px;letter-spacing:.1em;color:var(--gold);font-variant-numeric:tabular-nums;display:block;margin-bottom:14px;}
.scene-card h3{font-size:17px;margin-bottom:10px;font-weight:600;}
.scene-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:flow;}
.flow-item{
  position:relative;padding:26px 22px 24px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--panel);
  box-shadow:var(--hi),var(--sh-card);
}
.flow-item::before{
  counter-increment:flow;content:"0" counter(flow);
  display:block;font-size:12px;letter-spacing:.12em;color:var(--gold);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.flow-item h3{font-size:16px;margin-bottom:8px;font-weight:600;}
.flow-item p{font-size:13.5px;line-height:1.8;color:var(--ink-2);margin:0;}
.flow-item::after{
  content:"";position:absolute;top:34px;right:-14px;width:10px;height:1px;
  background:linear-gradient(90deg,rgba(53,214,196,.6),transparent);
}
.flow-item:last-child::after{display:none;}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--panel);box-shadow:var(--hi);
  overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(53,214,196,.42);background:linear-gradient(160deg,rgba(53,214,196,.09),rgba(255,255,255,.02));}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;
  text-align:left;color:var(--ink);font-size:16px;font-weight:600;line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--star);}
.faq-idx{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-variant-numeric:tabular-nums;color:var(--ink-2);
  border:1px solid var(--line);transition:all .2s var(--ease);
}
.faq-item.is-open .faq-idx{background:var(--star);border-color:var(--star);color:#04211E;font-weight:700;}
.faq-sign{margin-left:auto;flex:0 0 auto;color:var(--star);transition:transform .2s var(--ease);}
.faq-item.is-open .faq-sign{transform:rotate(45deg);}
.faq-a{
  max-height:0;opacity:0;overflow:hidden;
  transition:max-height .26s var(--ease),opacity .2s var(--ease);
}
.faq-item.is-open .faq-a{max-height:360px;opacity:1;}
.faq-a p{margin:0;padding:0 22px 20px 70px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ============ 收尾 CTA ============ */
.cta-band{
  padding:34px 36px;border-radius:var(--r-lg);
  border:1px solid rgba(53,214,196,.28);
  background:linear-gradient(140deg,rgba(53,214,196,.10),rgba(108,92,231,.10) 70%,rgba(255,255,255,.02)),var(--bg-1);
  box-shadow:var(--hi),0 24px 60px -40px rgba(53,214,196,.6);
  display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:10px;}
.cta-band p{margin:0;color:var(--ink-2);font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

.form-shell{
  margin-top:26px;padding:26px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--panel-solid);
  box-shadow:var(--hi),var(--sh-card);
  display:grid;grid-template-columns:repeat(3,1fr) auto;gap:16px;align-items:end;
}
.field{display:flex;flex-direction:column;gap:8px;min-width:0;}
.field label{font-size:13px;color:var(--ink-2);}
.field input,.field select{
  width:100%;min-height:44px;padding:10px 14px;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:rgba(7,11,26,.7);color:var(--ink);font-size:14px;font-family:inherit;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input::placeholder{color:#5C688A;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--star);
  box-shadow:0 0 0 3px rgba(53,214,196,.18);
}
.form-note{grid-column:1/-1;font-size:13px;color:var(--ink-3);margin:0;}
.form-note.is-error{color:var(--warn);}
.form-note.is-ok{color:var(--star);}

/* ============ 页脚 ============ */
.site-foot{
  margin-top:80px;background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:56px 0 96px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:32px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-desc{font-size:14px;line-height:1.85;color:var(--ink-3);margin-bottom:16px;max-width:360px;}
.foot-contact{font-size:13px;color:var(--ink-3);line-height:1.9;margin:0;}
.foot-contact a{color:var(--ink-2);}
.foot-contact a:hover{color:var(--star);}
.foot-title{font-size:13px;letter-spacing:.1em;color:var(--ink-2);margin:0 0 16px;font-weight:600;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--ink-3);}
.foot-links a:hover{color:var(--star);}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  font-size:13px;color:var(--ink-3);
}
.foot-bottom .to-top{
  margin-left:auto;width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--ink-2);
  transition:all .18s var(--ease);
}
.foot-bottom .to-top:hover{color:var(--star);border-color:var(--line-strong);box-shadow:0 0 18px -6px rgba(53,214,196,.7);}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  min-height:48px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:#04211E;
  background:linear-gradient(180deg,#4BE3D1,#26C4B2);
  box-shadow:0 0 0 1px rgba(53,214,196,.5),0 14px 34px -12px rgba(53,214,196,.65);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease),filter .18s var(--ease);
}
.float-cta.is-on{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{filter:brightness(1.06);color:#04211E;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .head-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:14px;border-radius:20px;
    border:1px solid var(--line);background:rgba(11,18,38,.98);
    box-shadow:var(--hi),0 28px 60px -30px rgba(0,0,0,.95);
    backdrop-filter:blur(16px);
    display:none;
  }
  .head-nav.is-open{display:flex;}
  .head-inner{position:relative;}
  .nav-tile{min-height:52px;font-size:14px;justify-content:flex-start;padding:0 16px;border-color:var(--line);}
  .nav-tile.is-active::after{display:none;}
  .nav-burger{display:inline-flex;}
  .head-actions .btn-sm{display:none;}
  .scene-grid{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr 1fr;}
  .flow-item::after{display:none;}
  .cta-band{grid-template-columns:1fr;}
  .form-shell{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .page-hero{padding:34px 24px;min-height:220px;}
  .section{padding:56px 0;}
  .row-card{grid-template-columns:1fr;gap:16px;}
  .row-thumb{aspect-ratio:16/9;}
  .scene-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .form-shell{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .faq-a p{padding-left:22px;}
  .faq-q{font-size:15px;padding:16px 18px;gap:12px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{font-size:12px;}
}
@media (max-width:639px){
  .brand-name{font-size:15px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;min-height:56px;
    padding:0 20px calc(0px + env(safe-area-inset-bottom));
    transform:translateY(100%);
  }
  .float-cta.is-on{transform:translateY(0);}
  .site-foot{padding-bottom:120px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* =========================================================
   星空官网平台 · 设计变量区（全站统一改色从这里开始）
   ========================================================= */
:root{
  --bg-0:#070B1A;
  --bg-1:#0B1226;
  --bg-2:#0F1730;

  --panel:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  --panel-solid:#121A36;
  --line:rgba(140,170,255,.16);
  --line-star:rgba(53,214,196,.42);
  --highlight:inset 0 1px 0 rgba(255,255,255,.12);

  --ink:#EEF3FF;
  --ink-2:#A8B4D4;
  --ink-3:#6E7BA0;

  --star:#35D6C4;
  --star-deep:#1FA89A;
  --gold:#E9B65C;
  --violet:#6C5CE7;
  --warn:#FF7A7A;

  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --r-pill:999px;

  --shadow:0 12px 32px -20px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(53,214,196,.5),0 10px 30px -10px rgba(53,214,196,.55);

  --container:1200px;
  --pad-x:32px;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  color:var(--ink);
  background:
    radial-gradient(920px 520px at 82% -12%,rgba(108,92,231,.16),transparent 62%),
    radial-gradient(760px 440px at 4% 2%,rgba(53,214,196,.12),transparent 64%),
    var(--bg-0);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--star);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out;}
a:hover{color:#5BE7D8;}
button{font-family:inherit;}
::selection{background:rgba(53,214,196,.3);color:#fff;}
.num{font-variant-numeric:tabular-nums;}

/* ================= 容器 ================= */
.grid-container{
  width:100%;
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
}
.section{padding:96px 0;position:relative;}
.section--tight{padding:72px 0;}
.section-alt{background:linear-gradient(180deg,rgba(11,18,38,.0),rgba(11,18,38,.9) 20%,rgba(11,18,38,.9) 80%,rgba(11,18,38,0));}

/* ================= 导航卡 ================= */
.site-head{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px 0;
  transition:padding .2s ease-out;
}
.site-head.is-scrolled{padding:6px 0;}
.head-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  height:76px;
  padding:0 20px;
  border:1px solid var(--line);
  border-radius:24px;
  background:var(--panel);
  box-shadow:var(--shadow),var(--highlight);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:height .2s ease-out,background .2s ease-out,backdrop-filter .2s ease-out;
}
.site-head.is-scrolled .head-inner{
  height:68px;
  background:linear-gradient(160deg,rgba(18,26,54,.94),rgba(11,18,38,.92));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--star);
  flex:0 0 auto;
}
.brand:hover{color:var(--star);opacity:.92;}
.brand-mark{flex:0 0 auto;filter:drop-shadow(0 0 8px rgba(53,214,196,.45));}
.brand-name{
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--ink);
  white-space:nowrap;
}
.head-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-tile{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:48px;
  padding:0 13px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;
  line-height:1;
  white-space:nowrap;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.nav-tile svg{color:var(--ink-3);transition:color .18s ease-out;}
.nav-tile:hover{
  background:rgba(255,255,255,.06);
  border-color:var(--line);
  color:var(--ink);
  transform:translateY(-1px);
}
.nav-tile:hover svg{color:var(--star);}
.nav-tile.is-active{
  background:rgba(53,214,196,.1);
  border-color:var(--line-star);
  color:var(--ink);
  font-weight:600;
}
.nav-tile.is-active svg{color:var(--star);}
.nav-tile.is-active::after{
  content:"";
  position:absolute;
  top:6px;
  right:8px;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 6px rgba(233,182,92,.9);
}
.head-cta{margin-left:8px;flex:0 0 auto;}
.head-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink);
  cursor:pointer;
  transition:border-color .18s ease-out,background .18s ease-out;
}
.head-toggle:hover{border-color:var(--line-star);background:rgba(53,214,196,.1);}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease-out,filter .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.btn:focus-visible{outline:2px solid var(--star);outline-offset:2px;}
.btn-primary{
  background:linear-gradient(180deg,#4AE3D1,#25B5A6);
  color:#04201D;
  box-shadow:var(--glow);
}
.btn-primary:hover{color:#04201D;filter:brightness(1.06);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:rgba(255,255,255,.03);
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--line-star);color:#fff;background:rgba(53,214,196,.08);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--star);
}
.link-arrow svg{transition:transform .18s ease-out;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ================= 通用标签/徽章 ================= */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(53,214,196,.12);
  border:1px solid rgba(53,214,196,.4);
  color:#8BF2E5;
  font-size:12px;
  letter-spacing:.08em;
  line-height:1.4;
  white-space:nowrap;
}
.dot-gold{
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 6px rgba(233,182,92,.9);
  flex:0 0 auto;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--gold);
  text-transform:none;
}

/* ================= 分类页 Hero ================= */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 48px;
  margin-top:8px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.12;
  z-index:0;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 320px at 88% 0%,rgba(53,214,196,.16),transparent 65%),
    linear-gradient(180deg,rgba(7,11,26,.4),rgba(7,11,26,.92));
  z-index:0;
  pointer-events:none;
}
.page-hero .grid-container{position:relative;z-index:1;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--star);}
.crumb span.sep{color:rgba(110,123,160,.7);}
.page-hero h1{
  font-size:clamp(28px,3.8vw,44px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  max-width:860px;
  margin-top:14px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--star);
}
.hero-lead{
  margin-top:14px;
  max-width:720px;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
  font-size:13px;
  line-height:1.4;
}

/* ================= 筛选胶囊条 ================= */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:26px 0 8px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  color:var(--ink-2);
  font-size:14px;
  line-height:1;
  transition:border-color .18s ease-out,background .18s ease-out,color .18s ease-out;
}
.pill.is-on{
  background:linear-gradient(180deg,rgba(74,227,209,.95),rgba(37,181,166,.95));
  border-color:transparent;
  color:#04201D;
  font-weight:600;
  box-shadow:0 8px 24px -12px rgba(53,214,196,.8);
}
.pill:not(.is-on):hover{border-color:var(--line-star);color:var(--ink);}

/* ================= 板块标题 ================= */
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.005em;
  margin-top:12px;
}
.sec-head p{
  margin-top:12px;
  font-size:16px;
  color:var(--ink-2);
}

/* ================= 能力大卡（2 列，图占 40%） ================= */
.cap-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:28px;
}
.cap-card{
  display:grid;
  grid-template-columns:40% minmax(0,1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel);
  box-shadow:var(--shadow),var(--highlight);
  overflow:hidden;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.cap-card:hover{
  transform:translateY(-2px);
  border-color:rgba(53,214,196,.34);
  box-shadow:0 18px 44px -26px rgba(0,0,0,.95),var(--highlight);
}
.cap-media{
  position:relative;
  min-height:230px;
  background:linear-gradient(150deg,rgba(53,214,196,.16),rgba(108,92,231,.18));
  overflow:hidden;
}
.cap-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s ease-out;
}
.cap-card:hover .cap-media img{transform:scale(1.03);}
.cap-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.cap-index{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--gold);
  font-weight:600;
}
.cap-body h3{
  font-size:19px;
  line-height:1.4;
  font-weight:600;
}
.cap-body p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-2);
}
.cap-points{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:2px;
}
.cap-points li{
  position:relative;
  padding-left:16px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--ink-2);
}
.cap-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--gold);
  opacity:.85;
}
.cap-body .link-arrow{margin-top:auto;padding-top:6px;}

/* ================= 落地要点 ================= */
.point-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.point-card{
  padding:26px 24px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--panel);
  box-shadow:var(--shadow),var(--highlight);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.point-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.32);}
.point-icon{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line-star);
  background:rgba(53,214,196,.1);
  color:var(--star);
  margin-bottom:16px;
}
.point-card h3{font-size:17px;font-weight:600;line-height:1.5;}
.point-card p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--ink-2);}

/* ================= 适用场景 ================= */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.scene-item{
  display:flex;
  gap:16px;
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.022));
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.scene-item:hover{border-color:rgba(53,214,196,.3);transform:translateY(-2px);}
.scene-no{
  flex:0 0 auto;
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line-star);
  color:var(--star);
  font-size:13px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
}
.scene-item h3{font-size:17px;font-weight:600;line-height:1.5;}
.scene-item p{margin-top:6px;font-size:14.5px;line-height:1.78;color:var(--ink-2);}

/* ================= 流程步骤 ================= */
.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
  margin-top:8px;
}
.flow::before{
  content:"";
  position:absolute;
  left:6%;
  right:6%;
  top:23px;
  height:1px;
  background:linear-gradient(90deg,rgba(53,214,196,.5),rgba(140,170,255,.16));
}
.flow-step{position:relative;padding-top:0;}
.flow-dot{
  position:relative;
  z-index:1;
  width:46px;
  height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--bg-1);
  border:1px solid var(--line-star);
  color:var(--star);
  font-size:14px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(7,11,26,.9);
}
.flow-step h3{margin-top:18px;font-size:17px;font-weight:600;}
.flow-step p{margin-top:6px;font-size:14.5px;line-height:1.75;color:var(--ink-2);}

/* ================= FAQ ================= */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:900px;
}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--panel);
  box-shadow:var(--shadow),var(--highlight);
  overflow:hidden;
  transition:border-color .2s ease-out;
}
.faq-item.is-open{border-color:var(--line-star);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  border:0;
  background:transparent;
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  text-align:left;
  line-height:1.6;
  cursor:pointer;
  min-height:44px;
  transition:background .18s ease-out;
}
.faq-q:hover{background:rgba(255,255,255,.03);}
.faq-q:focus-visible{outline:2px solid var(--star);outline-offset:-2px;}
.faq-no{
  flex:0 0 auto;
  width:32px;
  height:32px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--ink-3);
  font-size:12.5px;
  font-weight:600;
  font-variant-numeric:tabular-nums;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.faq-item.is-open .faq-no{
  background:var(--star);
  border-color:var(--star);
  color:#04201D;
}
.faq-sign{
  flex:0 0 auto;
  margin-left:auto;
  color:var(--ink-3);
  transition:transform .2s ease-out,color .2s ease-out;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);color:var(--star);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease-out,opacity .2s ease-out;
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a p{
  padding:0 22px 20px 68px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ================= CTA 收尾条 ================= */
.cta-strip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding:32px 34px;
  border:1px solid var(--line-star);
  border-radius:var(--r-lg);
  background:
    radial-gradient(520px 220px at 12% 0%,rgba(53,214,196,.16),transparent 70%),
    linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.028));
  box-shadow:var(--shadow),var(--highlight);
}
.cta-strip h2{
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.35;
  font-weight:700;
}
.cta-strip p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--ink-2);
  max-width:620px;
}

/* ================= 页脚 ================= */
.site-foot{
  margin-top:96px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;
}
.foot-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:32px;
}
.foot-grid > .cell{grid-column:span 12;}
.foot-brand .brand{margin-bottom:16px;}
.foot-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:380px;
}
.foot-contact{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.9;
  color:var(--ink-3);
}
.foot-contact a{color:var(--ink-2);}
.foot-contact a:hover{color:var(--star);}
.foot-title{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--ink);
  font-weight:600;
  margin-bottom:16px;
}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.6;
  width:fit-content;
}
.foot-links a:hover{color:var(--star);}
.foot-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
}
.foot-bottom span{line-height:1.7;}
.to-top{
  margin-left:auto;
  width:42px;
  height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.to-top:hover{
  color:var(--star);
  border-color:var(--line-star);
  box-shadow:0 0 0 1px rgba(53,214,196,.35),0 8px 22px -12px rgba(53,214,196,.7);
  transform:translateY(-1px);
}

/* ================= 浮动 CTA ================= */
.float-cta{
  position:fixed;
  right:28px;
  bottom:28px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:48px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-star);
  background:linear-gradient(160deg,rgba(18,26,54,.92),rgba(11,18,38,.92));
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  box-shadow:0 0 0 1px rgba(53,214,196,.28),0 14px 34px -18px rgba(53,214,196,.7);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out,border-color .2s ease-out;
}
.float-cta svg{color:var(--star);}
.float-cta:hover{color:#fff;border-color:rgba(53,214,196,.7);transform:translateY(-1px);}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}

/* ================= 入场动效 ================= */
.js .reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease-out,transform .5s ease-out;}
.js .reveal.in-view{opacity:1;transform:translateY(0);}

/* ================= 响应式 ================= */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1199px){
  .nav-tile{padding:0 10px;font-size:12.5px;}
  .head-cta .btn{padding:0 16px;font-size:14px;}
}
@media (max-width:1023px){
  :root{--pad-x:24px;}
  .section{padding:72px 0;}
  .head-toggle{display:inline-flex;}
  .head-cta{display:none;}
  .head-nav{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    margin:0;
    padding:12px;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    border:1px solid var(--line);
    border-radius:20px;
    background:linear-gradient(160deg,rgba(18,26,54,.98),rgba(11,18,38,.98));
    box-shadow:0 24px 48px -28px rgba(0,0,0,.95);
  }
  .head-nav.is-open{display:flex;}
  .nav-tile{height:56px;justify-content:flex-start;padding:0 16px;font-size:14px;}
  .cap-grid{grid-template-columns:1fr;}
  .point-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow::before{display:none;}
  .foot-grid > .cell:nth-child(1){grid-column:span 12;}
  .foot-grid > .cell:nth-child(2),
  .foot-grid > .cell:nth-child(3),
  .foot-grid > .cell:nth-child(4){grid-column:span 4;}
}
@media (max-width:767px){
  :root{--pad-x:20px;}
  .section{padding:56px 0;}
  .page-hero{padding:40px 0 36px;}
  .cap-card{grid-template-columns:1fr;}
  .cap-media{min-height:190px;height:190px;}
  .cta-strip{padding:26px 22px;}
  .faq-a p{padding-left:22px;}
  .foot-grid > .cell:nth-child(2),
  .foot-grid > .cell:nth-child(3),
  .foot-grid > .cell:nth-child(4){grid-column:span 12;}
  .site-foot{margin-top:64px;padding-bottom:96px;}
  .float-cta{
    left:0;
    right:0;
    bottom:0;
    width:100%;
    min-height:56px;
    justify-content:center;
    border-radius:0;
    border-left:0;
    border-right:0;
    border-bottom:0;
    padding-bottom:env(safe-area-inset-bottom);
    transform:translateY(100%);
  }
  .float-cta.is-show{transform:translateY(0);}
  .to-top{margin-left:0;}
}
@media (max-width:519px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .page-hero h1{font-size:26px;}
  .flow{grid-template-columns:1fr;}
  .crumb{font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .js .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --bg-0:#070B1A;
  --bg-1:#0B1226;
  --bg-2:#0F1730;
  --panel:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  --panel-solid:#121A36;
  --line:rgba(140,170,255,.16);
  --ink:#EEF3FF;
  --ink-2:#A8B4D4;
  --ink-3:#6E7BA0;
  --star:#35D6C4;
  --star-deep:#1FA89A;
  --gold:#E9B65C;
  --violet:#6C5CE7;
  --warn:#FF7A7A;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow:0 12px 32px -20px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(53,214,196,.5),0 10px 30px -10px rgba(53,214,196,.55);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(108,92,231,.18),transparent 62%),
    radial-gradient(880px 520px at 6% 4%,rgba(53,214,196,.13),transparent 60%),
    var(--bg-0);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--star);text-decoration:none;transition:color .18s ease,border-color .18s ease,opacity .18s ease;}
a:hover{color:#7BF0E2;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--star);outline-offset:2px;border-radius:6px;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航卡 ============ */
.site-head{position:sticky;top:0;z-index:80;padding:14px 0 0;}
.head-inner{
  display:flex;align-items:center;gap:16px;
  min-height:76px;padding:10px 20px;
  border-radius:var(--r-lg);
  background:var(--panel);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
  transition:background .2s ease,backdrop-filter .2s ease,min-height .2s ease,padding .2s ease;
}
.site-head.is-scrolled .head-inner{
  background:linear-gradient(160deg,rgba(18,26,54,.94),rgba(11,18,38,.9));
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  min-height:68px;
  padding:6px 20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--ink);}
.brand-mark{color:var(--star);flex:0 0 auto;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.head-nav{display:flex;align-items:center;gap:8px;margin-left:auto;flex:1 1 auto;justify-content:flex-end;}
.nav-tile{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-width:88px;height:48px;padding:0 10px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  color:var(--ink-2);
  font-size:13px;line-height:1.2;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.nav-tile:hover{background:rgba(255,255,255,.06);border-color:rgba(53,214,196,.4);color:var(--ink);}
.nav-tile.is-active{color:var(--ink);background:rgba(53,214,196,.08);border-color:rgba(53,214,196,.35);}
.nav-tile.is-active::after{
  content:"";position:absolute;top:7px;right:8px;
  width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.head-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--ink);
  cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.1);border-color:rgba(53,214,196,.45);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease,color .16s ease;
}
.btn-main{
  background:linear-gradient(180deg,#4BE6D2,var(--star-deep));
  color:#04211E;
  box-shadow:var(--glow);
}
.btn-main:hover{color:#04211E;filter:brightness(1.06);transform:translateY(-1px);}
.btn-main:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(53,214,196,.5);filter:brightness(.97);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--star);color:var(--star);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:13px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--star);}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:60px 0 40px;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 78% 0%,rgba(53,214,196,.12),transparent 65%);
  pointer-events:none;
}
.cat-hero .grid-container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(53,214,196,.1);border:1px solid rgba(53,214,196,.35);
  font-size:12px;letter-spacing:.08em;color:#9CF3E7;margin-bottom:18px;
}
.eyebrow i{width:5px;height:5px;border-radius:50%;background:var(--gold);display:inline-block;}
.cat-hero h1{
  font-size:clamp(32px,4.8vw,52px);
  line-height:1.15;
  max-width:820px;
}
.cat-hero .hero-sub{
  margin-top:16px;max-width:660px;
  font-size:16px;line-height:1.85;color:var(--ink-2);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.pill-badge i{width:3px;height:3px;border-radius:50%;background:var(--gold);display:inline-block;}

/* ============ 筛选胶囊 ============ */
.filter-bar{padding:0 0 8px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;
  min-height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--ink-2);
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.chip:hover{border-color:rgba(53,214,196,.45);color:var(--ink);}
.chip.is-on{
  background:linear-gradient(180deg,#4BE6D2,var(--star-deep));
  border-color:transparent;color:#04211E;font-weight:600;
  box-shadow:var(--glow);
}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section-alt{background:linear-gradient(180deg,rgba(11,18,38,0),rgba(11,18,38,.85),rgba(11,18,38,0));}
.sec-head{max-width:720px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(26px,3.2vw,36px);line-height:1.25;}
.sec-head p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}
[id]{scroll-margin-top:96px;}

/* ============ 紧凑卡（无图 3 列） ============ */
.compact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.c-card{
  display:flex;flex-direction:column;
  padding:24px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.1);
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.c-card:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.3);}
.c-badge{
  align-self:flex-start;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(53,214,196,.12);border:1px solid rgba(53,214,196,.4);
  font-size:12px;letter-spacing:.04em;color:#8FF3E6;line-height:1.5;
}
.c-card h3{margin-top:14px;font-size:17px;line-height:1.45;font-weight:600;}
.c-card p{margin-top:8px;font-size:14px;line-height:1.72;color:var(--ink-2);}
.c-card .c-foot{margin-top:auto;padding-top:16px;}
.c-card .c-foot a{font-size:13px;}

/* ============ 清单双栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  background:var(--panel-solid);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,26,0) 45%,rgba(7,11,26,.55));
  pointer-events:none;
}
.check-list{margin-top:24px;display:grid;gap:12px;}
.check-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 18px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  font-size:15px;line-height:1.7;color:var(--ink-2);
  transition:border-color .18s ease,background .18s ease;
}
.check-list li:hover{border-color:rgba(53,214,196,.35);background:rgba(255,255,255,.06);}
.check-list svg{flex:0 0 auto;margin-top:6px;color:var(--star);}

/* ============ 数据带 ============ */
.stat-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:32px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.1);
}
.stat-num{
  font-size:clamp(34px,4vw,46px);line-height:1.1;font-weight:700;
  color:var(--gold);font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:14px;font-weight:500;color:var(--ink-3);margin-left:6px;}
.stat-label{margin-top:8px;font-size:13px;color:var(--ink-2);line-height:1.6;}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.flow-step{
  position:relative;padding:26px 22px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.1);
  transition:border-color .18s ease,transform .18s ease;
}
.flow-step:hover{border-color:rgba(53,214,196,.32);transform:translateY(-2px);}
.flow-step::after{
  content:"";position:absolute;top:44px;right:-10px;width:20px;height:1px;
  background:linear-gradient(90deg,rgba(53,214,196,.6),rgba(53,214,196,0));
}
.flow-step:last-child::after{display:none;}
.flow-dot{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid rgba(53,214,196,.5);color:var(--star);
  font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
  background:rgba(53,214,196,.08);
}
.flow-step h3{margin-top:16px;font-size:17px;font-weight:600;}
.flow-step p{margin-top:8px;font-size:14px;line-height:1.72;color:var(--ink-2);}

/* ============ FAQ ============ */
.faq-list{max-width:860px;}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--panel);margin-bottom:12px;
  box-shadow:var(--shadow);
  transition:border-color .2s ease,background .2s ease;
}
.faq-item.is-open{border-color:rgba(53,214,196,.55);}
.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:18px 20px;background:none;border:none;
  color:var(--ink);font-size:16px;font-weight:600;text-align:left;
  min-height:44px;cursor:pointer;
}
.faq-idx{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:600;
  border:1px solid var(--line);color:var(--ink-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
  font-variant-numeric:tabular-nums;
}
.faq-item.is-open .faq-idx{background:var(--star);border-color:transparent;color:#04211E;}
.faq-sign{margin-left:auto;flex:0 0 auto;color:var(--ink-3);transition:transform .2s ease,color .2s ease;}
.faq-item.is-open .faq-sign{transform:rotate(45deg);color:var(--star);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a>div{overflow:hidden;}
.faq-a p{padding:0 20px 20px 66px;font-size:15px;line-height:1.8;color:var(--ink-2);margin:0;}

/* ============ CTA 条 ============ */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:30px 34px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.12);
  position:relative;overflow:hidden;
}
.cta-strip::before{
  content:"";position:absolute;right:-60px;top:-80px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,214,196,.16),transparent 68%);
  pointer-events:none;
}
.cta-strip h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;}
.cta-strip p{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ============ 页脚 ============ */
.site-foot{
  margin-top:72px;padding:56px 0 28px;
  background:var(--bg-2);
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1fr;gap:32px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-desc{font-size:14px;line-height:1.8;color:var(--ink-2);max-width:340px;}
.foot-contact{margin-top:16px;font-size:13px;color:var(--ink-3);line-height:1.9;}
.foot-contact a{color:var(--ink-2);}
.foot-contact a:hover{color:var(--star);}
.foot-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink-3);margin-bottom:14px;}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{font-size:14px;color:var(--ink-2);}
.foot-links a:hover{color:var(--star);}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.to-top{
  margin-left:auto;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--panel);border:1px solid var(--line);color:var(--ink-2);
  transition:box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.to-top:hover{
  color:var(--star);border-color:rgba(53,214,196,.5);
  box-shadow:0 0 0 1px rgba(53,214,196,.4),0 10px 24px -14px rgba(53,214,196,.7);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-pill);
  background:linear-gradient(160deg,rgba(18,26,54,.96),rgba(11,18,38,.96));
  border:1px solid rgba(53,214,196,.5);
  color:var(--ink);font-size:14px;font-weight:600;
  box-shadow:0 0 0 1px rgba(53,214,196,.3),0 14px 34px -14px rgba(53,214,196,.6);
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .22s ease,transform .22s ease,color .18s ease;
}
.float-cta.is-show{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-cta:hover{color:var(--star);}
.float-cta svg{color:var(--star);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .head-nav{
    display:none;
    position:absolute;left:16px;right:16px;top:96px;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:14px;border-radius:var(--r-lg);
    background:var(--panel-solid);border:1px solid var(--line);
    box-shadow:0 30px 70px -34px rgba(0,0,0,.95);
    z-index:90;
  }
  .head-nav.is-open{display:flex;}
  .nav-tile{
    flex-direction:row;justify-content:flex-start;gap:10px;
    width:100%;min-width:0;height:56px;font-size:14px;padding:0 14px;
  }
  .nav-tile.is-active::after{position:static;margin-left:auto;}
  .head-nav .nav-tile.is-active::after{top:auto;right:auto;}
  .nav-toggle{display:inline-flex;}
  .head-inner{position:relative;}
  .head-actions .btn-main{display:none;}
  .compact-grid{grid-template-columns:repeat(2,1fr);}
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .grid-container{padding-left:24px;padding-right:24px;}
}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .site-head{padding-top:10px;}
  .head-inner{min-height:64px;padding:8px 14px;border-radius:20px;}
  .brand-name{font-size:15px;}
  .cat-hero{padding:40px 0 28px;}
  .cat-hero .hero-sub{font-size:15px;}
  .section{padding:48px 0;}
  .compact-grid{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;padding:24px;gap:24px;}
  .flow-grid{grid-template-columns:1fr;}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:24px;}
  .cta-strip .btn{width:100%;}
  .faq-q{font-size:15px;padding:16px 16px;gap:12px;}
  .faq-a p{padding:0 16px 18px 60px;font-size:14.5px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{gap:12px;}
  .to-top{margin-left:0;}
  .site-foot{padding-bottom:96px;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;min-height:56px;
    padding:0 20px calc(env(safe-area-inset-bottom,0px));
    border-left:none;border-right:none;border-bottom:none;
  }
  .split-media img{aspect-ratio:16/10;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category5 */
/* ===== 设计变量 ===== */
:root{
  --bg-0:#070B1A;
  --bg-1:#0B1226;
  --bg-2:#0F1730;
  --panel:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  --panel-solid:#121A36;
  --line:rgba(140,170,255,.16);
  --line-strong:rgba(53,214,196,.4);
  --ink:#EEF3FF;
  --ink-2:#A8B4D4;
  --ink-3:#6E7BA0;
  --star:#35D6C4;
  --star-deep:#1FA89A;
  --gold:#E9B65C;
  --violet:#6C5CE7;
  --warn:#FF7A7A;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-card:0 12px 32px -20px rgba(0,0,0,.8);
  --inset-hi:inset 0 1px 0 rgba(255,255,255,.12);
  --glow:0 0 0 1px rgba(53,214,196,.5),0 10px 30px -10px rgba(53,214,196,.55);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 560px at 82% -8%,rgba(108,92,231,.16),transparent 62%),
    radial-gradient(900px 500px at 6% 4%,rgba(53,214,196,.10),transparent 60%),
    var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;border-radius:12px}
a{color:var(--star);text-decoration:none;transition:color .18s ease-out,opacity .18s ease-out}
a:hover{color:#5ce6d7}
p{margin:0 0 14px}
ul,ol{margin:0 0 16px;padding-left:20px}
li{margin-bottom:8px}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(32px,4.6vw,50px);line-height:1.15}
h2{font-size:clamp(26px,3.2vw,38px)}
h3{font-size:22px;line-height:1.4;font-weight:600}
h4{font-size:17px;font-weight:600}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--star);outline-offset:2px;border-radius:6px}

/* ===== 容器 ===== */
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:88px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head p{color:var(--ink-2);font-size:16px;margin-bottom:0}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--star);text-transform:uppercase;margin-bottom:12px;font-weight:600}
.muted{color:var(--ink-2)}
.small{font-size:14px;line-height:1.7}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out,border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,#4ee6d3,#23c1b0);
  color:#04201d;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);color:#04201d}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--star);color:var(--star);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}

/* ===== 文字链 ===== */
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--star)}
.link-arrow span{transition:transform .18s ease-out}
.link-arrow:hover span{transform:translateX(3px)}
.link-arrow:hover{text-decoration:underline;text-underline-offset:3px}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1.4;letter-spacing:.04em;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(53,214,196,.12);
  border:1px solid rgba(53,214,196,.4);
  color:#8FF2E6;
}
.badge-gold{background:rgba(233,182,92,.12);border-color:rgba(233,182,92,.45);color:#F3CE8C}

/* ===== 导航卡 ===== */
.site-head{position:sticky;top:0;z-index:80;padding:16px 0;transition:padding .2s ease-out}
.head-inner{
  display:flex;align-items:center;gap:16px;
  background:var(--panel);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 18px;
  box-shadow:var(--inset-hi),var(--shadow-card);
  transition:padding .2s ease-out,background .2s ease-out,backdrop-filter .2s ease-out,box-shadow .2s ease-out;
}
.site-head.is-compact{padding:10px 0}
.site-head.is-compact .head-inner{
  padding:8px 18px;
  background:rgba(11,18,38,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--inset-hi),0 16px 38px -22px rgba(0,0,0,.9);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{color:var(--star);flex:0 0 auto}
.brand-name{font-size:17px;letter-spacing:.01em}
.head-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-tile{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  min-height:44px;padding:8px 13px;border-radius:var(--r-sm);
  border:1px solid transparent;color:var(--ink-2);font-size:13px;font-weight:500;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.nav-tile svg{opacity:.85;flex:0 0 auto}
.nav-tile:hover{background:rgba(255,255,255,.06);border-color:rgba(53,214,196,.35);color:var(--ink)}
.nav-tile.is-active{background:rgba(53,214,196,.12);border-color:rgba(53,214,196,.4);color:var(--ink)}
.nav-tile.is-active::after{
  content:"";position:absolute;top:7px;right:7px;
  width:6px;height:6px;border-radius:50%;background:var(--gold);
}
.head-cta{margin-left:8px;flex:0 0 auto}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;
  align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--ink);cursor:pointer;
  transition:border-color .18s ease-out,background .18s ease-out;
}
.nav-toggle:hover{border-color:var(--star);background:rgba(53,214,196,.12)}

/* ===== 面包屑 ===== */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--star)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--ink)}

/* ===== 分类 Hero ===== */
.cat-hero{position:relative;overflow:hidden;padding:44px 0 60px;border-bottom:1px solid var(--line)}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.12;filter:saturate(.85);
  pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 300px at 15% 0%,rgba(53,214,196,.16),transparent 65%),
    radial-gradient(520px 280px at 88% 20%,rgba(108,92,231,.18),transparent 70%);
}
.cat-hero .grid-container{position:relative;z-index:2}
.cat-hero h1{margin-bottom:14px;max-width:900px}
.cat-hero h1 .hl{color:var(--star)}
.cat-hero .lede{max-width:760px;color:var(--ink-2);font-size:16px;margin-bottom:0}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.04em;color:var(--ink-2);
  padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.chip .dot{width:5px;height:5px;border-radius:50%;background:var(--gold);flex:0 0 auto}

/* ===== 筛选胶囊条 ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 4px}
.filter-pill{
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;
  font-size:14px;font-weight:500;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--ink-2);background:rgba(255,255,255,.03);
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out,box-shadow .18s ease-out;
}
.filter-pill:hover{border-color:var(--star);color:var(--ink)}
.filter-pill.is-on{
  background:linear-gradient(180deg,#4ee6d3,#23c1b0);
  border-color:transparent;color:#04201d;font-weight:600;
  box-shadow:0 8px 22px -12px rgba(53,214,196,.85);
}

/* ===== 交替图文卡 ===== */
.alt-stack{display:flex;flex-direction:column;gap:24px}
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:36px;
  padding:28px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--inset-hi),var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  scroll-margin-top:110px;
}
.alt-row:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.4)}
.alt-row.is-reverse .alt-media{order:2}
.alt-media{position:relative;overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(255,255,255,.04)}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .4s ease-out}
.alt-row:hover .alt-media img{transform:scale(1.02)}
.alt-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,11,26,0),rgba(7,11,26,.35));
}
.alt-body h3{margin-bottom:12px}
.alt-body p{color:var(--ink-2);font-size:15px;line-height:1.8;margin-bottom:16px}
.tick-list{list-style:none;padding:0;margin:0 0 18px}
.tick-list li{
  position:relative;padding-left:24px;font-size:14px;line-height:1.75;
  color:var(--ink-2);margin-bottom:9px;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:8px;
  width:9px;height:9px;border-radius:3px;
  background:rgba(233,182,92,.9);
  box-shadow:0 0 0 3px rgba(233,182,92,.14);
}

/* ===== 数据带 ===== */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:30px 28px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--inset-hi),var(--shadow-card);
}
.stat{text-align:left;padding-left:16px;border-left:2px solid rgba(233,182,92,.4)}
.stat b{display:block;font-size:clamp(30px,3.4vw,42px);line-height:1.1;color:var(--gold);font-variant-numeric:tabular-nums;font-weight:700}
.stat span{display:block;font-size:13px;color:var(--ink-2);margin-top:8px;line-height:1.6}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-item{
  position:relative;padding:24px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--inset-hi),var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.flow-item:hover{transform:translateY(-2px);border-color:rgba(53,214,196,.4)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  font-size:13px;font-weight:700;color:#04201d;
  background:linear-gradient(180deg,#4ee6d3,#23c1b0);
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.flow-item h4{margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--ink-2);margin-bottom:0;line-height:1.75}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--inset-hi);
  transition:border-color .2s ease-out,background .2s ease-out;
  overflow:hidden;
}
.faq-item:hover{border-color:rgba(140,170,255,.3)}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-q{
  display:flex;align-items:center;gap:14px;width:100%;
  padding:18px 20px;background:transparent;border:0;
  color:var(--ink);text-align:left;cursor:pointer;font-size:16px;font-weight:600;
  min-height:56px;
}
.faq-idx{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  font-variant-numeric:tabular-nums;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.faq-item.is-open .faq-idx{background:var(--star);border-color:var(--star);color:#04201d}
.faq-sign{margin-left:auto;flex:0 0 auto;color:var(--ink-2);transition:transform .2s ease-out,color .2s ease-out}
.faq-item.is-open .faq-sign{transform:rotate(45deg);color:var(--star)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out}
.faq-a-inner{padding:0 20px 20px 66px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-a-inner p:last-child{margin-bottom:0}

/* ===== 收尾 CTA 横卡 ===== */
.cta-card{
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  padding:34px;
  background:linear-gradient(160deg,rgba(53,214,196,.14),rgba(255,255,255,.03));
  border:1px solid rgba(53,214,196,.32);
  border-radius:var(--r-lg);
  box-shadow:var(--inset-hi),0 20px 50px -32px rgba(53,214,196,.7);
}
.cta-card h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:10px}
.cta-card p{color:var(--ink-2);font-size:15px;margin-bottom:20px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.form-card{padding:24px;background:rgba(7,11,26,.5);border:1px solid var(--line);border-radius:var(--r-md)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;font-weight:600}
.field input,.field textarea{
  width:100%;padding:12px 14px;min-height:44px;
  background:rgba(7,11,26,.7);border:1px solid var(--line);
  border-radius:var(--r-sm);color:var(--ink);font-size:14px;font-family:inherit;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--star);
  box-shadow:0 0 0 3px rgba(53,214,196,.18);
}
.form-note{font-size:12px;color:var(--ink-3);margin:12px 0 0;line-height:1.7}
.form-msg{display:none;font-size:13px;color:var(--star);margin-top:10px}
.form-msg.is-show{display:block}

/* ===== 页脚 ===== */
.site-foot{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 96px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-brand .brand{margin-bottom:16px}
.foot-desc{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;max-width:340px}
.foot-contact{font-size:13px;color:var(--ink-3);line-height:1.9;margin:0}
.foot-contact a{color:var(--ink-2)}
.foot-contact a:hover{color:var(--star)}
.foot-title{font-size:13px;letter-spacing:.08em;color:var(--ink-3);margin-bottom:16px;font-weight:600}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:var(--ink-2)}
.foot-links a:hover{color:var(--star)}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.foot-bottom span{flex:0 0 auto}
.to-top{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--ink-2);
  transition:border-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.to-top:hover{border-color:var(--star);color:var(--star);box-shadow:0 0 20px -6px rgba(53,214,196,.8);transform:translateY(-2px)}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  min-height:48px;padding:0 20px;border-radius:var(--r-pill);
  background:rgba(11,18,38,.9);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(53,214,196,.5);
  color:var(--ink);font-size:14px;font-weight:600;
  box-shadow:0 0 0 1px rgba(53,214,196,.22),0 14px 36px -18px rgba(53,214,196,.85);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s ease-out,transform .24s ease-out,border-color .18s ease-out;
}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{border-color:var(--star);color:var(--star)}
.float-cta svg{color:var(--star)}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.is-in{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media screen and (max-width:1439px){
  .grid-container{max-width:1200px}
}
@media screen and (max-width:1023px){
  .head-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:8px;
    padding:14px;border-radius:var(--r-lg);
    background:rgba(11,18,38,.98);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border:1px solid var(--line);
    box-shadow:0 24px 50px -26px rgba(0,0,0,.95);
    display:none;margin-left:0;
  }
  .head-nav.is-open{display:flex}
  .nav-tile{min-height:56px;justify-content:flex-start;font-size:15px;padding:12px 16px}
  .nav-tile.is-active::after{top:50%;right:16px;transform:translateY(-50%)}
  .head-inner{position:relative}
  .nav-toggle{display:inline-flex}
  .head-cta{display:none}
  .alt-row{grid-template-columns:1fr;gap:24px;padding:22px}
  .alt-row.is-reverse .alt-media{order:0}
  .cta-card{grid-template-columns:1fr;padding:26px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .cat-hero{padding:32px 0 44px}
  .alt-row{padding:18px;gap:20px;border-radius:var(--r-md)}
  .alt-body p{font-size:14.5px}
  .cta-card{padding:22px;border-radius:var(--r-md)}
  .faq-q{font-size:15px;padding:16px 16px;gap:12px}
  .faq-a-inner{padding:0 16px 18px 60px;font-size:14.5px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .to-top{margin-left:0}
  .float-cta{
    right:0;left:0;bottom:0;justify-content:center;
    border-radius:0;min-height:56px;
    padding-bottom:env(safe-area-inset-bottom);
    border-left:0;border-right:0;border-bottom:0;
  }
  .site-foot{padding-bottom:120px}
  .filter-bar{gap:8px}
  .filter-pill{font-size:13px;padding:0 14px;min-height:38px}
}
@media screen and (max-width:519px){
  .stat-strip{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .hero-meta{gap:8px}
  .brand-name{font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  .float-cta{opacity:1;transform:none;pointer-events:auto}
}