/* roulang page: index */
:root{
  --c-primary:#5B34E8;
  --c-primary-2:#7A4BFF;
  --c-mint:#17D3B1;
  --c-orange:#FF8A3D;
  --c-ink:#171430;
  --c-ink-2:#4A4660;
  --c-muted:#8B87A3;
  --c-bg:#F6F5FC;
  --c-surface:#FFFFFF;
  --c-line:#E7E4F4;
  --c-soft:#F1EDFE;
  --grad:linear-gradient(115deg,#5B34E8 0%,#7A4BFF 52%,#17D3B1 100%);
  --grad-soft:linear-gradient(115deg,rgba(91,52,232,.10),rgba(23,211,177,.12));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(23,20,48,.04);
  --sh-2:0 18px 40px -18px rgba(91,52,232,.25);
  --sh-3:0 26px 56px -22px rgba(91,52,232,.38);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--c-primary-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);line-height:1.35;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(91,52,232,.35);outline-offset:2px;border-radius:8px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  backdrop-filter:saturate(150%) blur(6px);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:22px;
  padding:14px 0 8px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:800;
  font-size:18px;
  color:var(--c-ink);
  letter-spacing:-.01em;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:var(--sh-2);
}
.nav-search{
  flex:1 1 auto;
  max-width:560px;
  display:flex;
  align-items:center;
  gap:8px;
  height:50px;
  padding:0 6px 0 18px;
  background:#fff;
  border:1.5px solid var(--c-line);
  border-radius:var(--r-pill);
  transition:border-color .22s ease, box-shadow .22s ease;
}
.nav-search:focus-within{
  border-color:rgba(91,52,232,.55);
  box-shadow:0 0 0 4px rgba(91,52,232,.10);
}
.nav-search i{color:var(--c-muted);font-size:15px;}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  font-size:15px;
  color:var(--c-ink);
  height:100%;
}
.nav-search input::placeholder{color:var(--c-muted);}
.nav-search input:focus{outline:none;}
.nav-search button{
  flex:0 0 auto;
  height:38px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--grad);
  background-size:150% 150%;
  color:#fff;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background-position .3s ease, transform .2s ease;
}
.nav-search button:hover{background-position:100% 50%;transform:translateY(-1px);}
.nav-toggle{
  margin-left:auto;
  width:46px;height:46px;
  border:1.5px solid var(--c-line);
  border-radius:var(--r-sm);
  background:#fff;
  color:var(--c-ink);
  font-size:17px;
  cursor:pointer;
  transition:.2s;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.nav-panel{padding:6px 0 14px;}
.cat-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.cat-pills a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1.5px solid var(--c-line);
  background:#fff;
  color:var(--c-ink-2);
  font-size:14px;
  font-weight:500;
  transition:.22s;
}
.cat-pills a:hover{
  border-color:rgba(91,52,232,.45);
  color:var(--c-primary);
  background:var(--c-soft);
  transform:translateY(-1px);
}
.cat-pills a.active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:var(--sh-2);
}
.cat-pills a i{font-size:13px;opacity:.9;}

/* ============ hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 84px;
  background-color:var(--c-ink);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(23,20,48,.94) 0%,rgba(58,32,142,.86) 48%,rgba(23,211,177,.55) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);
  color:#E9E6FF;
  font-size:13px;
  letter-spacing:.01em;
}
.hero-tag i{color:var(--c-mint);}
.hero h1{
  margin:22px 0 18px;
  max-width:820px;
  font-size:clamp(28px,4.6vw,44px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.28;
  color:#fff;
}
.hero-sub{
  max-width:620px;
  margin:0 0 28px;
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
}
.hero-search{
  display:flex;
  align-items:center;
  gap:8px;
  max-width:620px;
  padding:7px 7px 7px 20px;
  background:rgba(255,255,255,.97);
  border-radius:var(--r-pill);
  box-shadow:0 22px 48px -22px rgba(0,0,0,.55);
}
.hero-search i{color:var(--c-muted);}
.hero-search input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  border:0;
  background:transparent;
  font-size:15px;
  color:var(--c-ink);
}
.hero-search input:focus{outline:none;}
.hero-search button{
  flex:0 0 auto;
  height:44px;
  padding:0 24px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--grad);
  background-size:150% 150%;
  color:#fff;
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  transition:.3s;
}
.hero-search button:hover{background-position:100% 50%;transform:translateY(-1px);}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:26px 0 24px;
}
.btn-grad{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:14px 28px;
  border:0;
  border-radius:var(--r-sm);
  background:var(--grad);
  background-size:165% 165%;
  background-position:0% 50%;
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-2);
  cursor:pointer;
  transition:background-position .32s ease, transform .22s ease, box-shadow .22s ease;
}
.btn-grad:hover,.btn-grad:focus{color:#fff;background-position:100% 50%;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:13px 26px;
  border:1.5px solid rgba(255,255,255,.42);
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:.22s;
}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-outline{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:13px 26px;
  border:1.5px solid rgba(91,52,232,.4);
  border-radius:var(--r-sm);
  background:#fff;
  color:var(--c-primary);
  font-size:15px;
  font-weight:600;
  transition:.22s;
}
.btn-outline:hover{background:var(--c-soft);border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);}
.link-cta{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  padding-bottom:3px;
  background-image:linear-gradient(115deg,#5B34E8,#17D3B1);
  background-repeat:no-repeat;
  background-size:32px 2px;
  background-position:0 100%;
  transition:background-size .3s ease, color .22s ease;
}
.link-cta:hover{background-size:100% 2px;color:var(--c-primary-2);}
.hero-mini{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-mini span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.9);
  font-size:13px;
}
.hero-mini i{color:var(--c-mint);font-size:12px;}
.hero-side{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.float-card{
  padding:20px 22px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.97);
  box-shadow:0 24px 50px -24px rgba(0,0,0,.55);
}
.float-card .fc-num{
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.float-card .fc-num small{font-size:16px;font-weight:700;}
.float-card .fc-label{
  margin-top:4px;
  font-size:13px;
  color:var(--c-muted);
  line-height:1.6;
}
.float-card.dark{
  background:rgba(23,20,48,.72);
  border:1px solid rgba(255,255,255,.16);
}
.float-card.dark .fc-num{
  background:linear-gradient(115deg,#B7A6FF,#17D3B1);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.float-card.dark .fc-label{color:rgba(255,255,255,.72);}

/* ============ sections ============ */
.section{padding:88px 0;}
.section.alt{background:#fff;}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  padding:6px 15px;
  border-radius:var(--r-pill);
  background:var(--grad-soft);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
}
.section-head h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-head p{color:var(--c-ink-2);margin:0;}

/* 方案卡片区 */
.solution-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.sol-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.sol-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(91,52,232,.28);}
.sol-cover{
  position:relative;
  height:206px;
  background:linear-gradient(115deg,#5B34E8,#17D3B1);
  overflow:hidden;
}
.sol-cover img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.sol-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(23,20,48,.10),rgba(23,20,48,.62));
}
.sol-badge{
  position:absolute;
  left:18px;bottom:16px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--c-primary);
  font-size:13px;
  font-weight:700;
}
.sol-body{padding:26px 26px 28px;}
.sol-body h3{font-size:20px;font-weight:600;margin-bottom:12px;}
.sol-body p{color:var(--c-ink-2);font-size:15px;margin-bottom:16px;}
.sol-list{margin-bottom:20px;}
.sol-list li{
  position:relative;
  padding-left:24px;
  margin-bottom:9px;
  font-size:14.5px;
  color:var(--c-ink-2);
}
.sol-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--grad);
}
.sol-wide{
  grid-column:1 / -1;
  display:grid;
  grid-template-columns:340px minmax(0,1fr);
  align-items:stretch;
}
.sol-wide .sol-cover{height:100%;min-height:240px;}
.sol-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  margin-bottom:14px;
  border-radius:14px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:800;
}

/* 数据徽章 */
.stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.stat-card{
  padding:28px 24px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:transform .26s ease, box-shadow .26s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.stat-num{
  font-size:36px;
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.02em;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-num small{font-size:16px;font-weight:700;}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--c-muted);line-height:1.65;}
.stat-line{
  width:34px;height:3px;
  margin-top:14px;
  border-radius:var(--r-pill);
  background:var(--grad);
}

/* 表单触发区 */
.form-band{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;
  align-items:center;
  padding:44px 44px;
  border-radius:var(--r-lg);
  background:linear-gradient(115deg,rgba(91,52,232,.08),rgba(23,211,177,.10));
  border:1px solid var(--c-line);
}
.form-band h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:14px;}
.form-band p{color:var(--c-ink-2);margin-bottom:0;max-width:640px;}
.form-band-side{display:flex;flex-direction:column;gap:12px;}
.form-band-side .mini-note{
  font-size:13px;
  color:var(--c-muted);
  line-height:1.7;
}

/* CMS 列表 */
.info-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(91,52,232,.28);}
.info-thumb{
  display:block;
  position:relative;
  height:168px;
  background:linear-gradient(115deg,#5B34E8,#17D3B1);
  overflow:hidden;
}
.info-thumb img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:transform .4s ease;}
.info-card:hover .info-thumb img{transform:scale(1.04);}
.info-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.info-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  font-size:12.5px;
  color:var(--c-muted);
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--c-soft);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:600;
}
.info-body h3{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:10px;}
.info-body h3 a{color:var(--c-ink);}
.info-body h3 a:hover{color:var(--c-primary);}
.info-body p{
  font-size:14.5px;
  color:var(--c-ink-2);
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.info-foot{margin-top:auto;}
.empty-state{
  grid-column:1 / -1;
  padding:52px 24px;
  text-align:center;
  background:#fff;
  border:1px dashed var(--c-line);
  border-radius:var(--r-md);
  color:var(--c-muted);
}
.empty-state i{font-size:26px;color:var(--c-primary);margin-bottom:12px;display:block;}
.empty-state p{margin-bottom:12px;}

/* FAQ */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:1px solid var(--c-line);
  border-radius:var(--r-md) !important;
  margin-bottom:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-button{
  position:relative;
  padding:20px 24px 20px 34px;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  background:#fff;
  box-shadow:none !important;
}
.accordion-button::before{
  content:"";
  position:absolute;
  left:16px;
  top:24px;
  width:4px;
  height:20px;
  border-radius:var(--r-pill);
  background:var(--grad);
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-soft);}
.accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  width:auto;height:auto;
  transform:rotate(0deg);
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{
  padding:6px 26px 24px 34px;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-size:15px;
  line-height:1.85;
}

/* 底部转化条 */
.cta-band{
  position:relative;
  overflow:hidden;
  padding:76px 0;
  background-color:var(--c-ink);
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(23,20,48,.95),rgba(91,52,232,.82) 55%,rgba(23,211,177,.58));
}
.cta-band .container{position:relative;z-index:2;text-align:center;}
.cta-band h2{
  color:#fff;
  font-size:clamp(22px,3vw,30px);
  margin-bottom:16px;
}
.cta-band p{
  max-width:660px;
  margin:0 auto 28px;
  color:rgba(255,255,255,.82);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* footer */
.site-footer{
  position:relative;
  overflow:hidden;
  padding:64px 0 26px;
  background:#171430;
  color:rgba(255,255,255,.72);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-160px;right:-120px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(91,52,232,.42),transparent 68%);
}
.site-footer::after{
  content:"";
  position:absolute;
  bottom:-180px;left:-100px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,211,177,.26),transparent 68%);
}
.site-footer .container{position:relative;z-index:2;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:36px;height:36px;font-size:13px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;margin-bottom:0;}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.68);
}
.footer-links a:hover{color:#17D3B1;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{color:var(--c-mint);margin-top:5px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#17D3B1;}

/* modal */
.modal-content{
  border:0;
  border-radius:var(--r-lg);
  box-shadow:0 40px 80px -30px rgba(23,20,48,.55);
}
.modal-header{
  padding:24px 28px 12px;
  border-bottom:0;
}
.modal-title{font-size:19px;font-weight:700;}
.modal-body{padding:8px 28px 12px;}
.modal-footer{padding:12px 28px 26px;border-top:0;}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:600;color:var(--c-ink-2);}
.field label .req{color:var(--c-orange);}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border:1.5px solid var(--c-line);
  border-radius:var(--r-sm);
  background:#fff;
  font-size:14.5px;
  color:var(--c-ink);
  font-family:inherit;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(91,52,232,.6);
  box-shadow:0 0 0 4px rgba(91,52,232,.10);
}
.privacy-row{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin-top:16px;
  font-size:13.5px;
  color:var(--c-ink-2);
}
.privacy-row input{margin-top:5px;accent-color:#5B34E8;}
.form-note{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.75;
  color:#8B87A3;
}
.btn-submit{
  width:100%;
  margin-top:18px;
  justify-content:center;
}

/* responsive */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .hero-side{flex-direction:row;flex-wrap:wrap;}
  .hero-side .float-card{flex:1 1 200px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .nav-search{max-width:340px;}
  .solution-grid{grid-template-columns:minmax(0,1fr);}
  .sol-wide{grid-template-columns:minmax(0,1fr);}
  .sol-wide .sol-cover{min-height:206px;height:206px;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .form-band{grid-template-columns:minmax(0,1fr);padding:34px 28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .nav-top{flex-wrap:wrap;gap:12px;}
  .brand{font-size:16.5px;}
  .nav-search{order:3;flex:1 1 100%;max-width:100%;height:46px;}
  .nav-panel{padding-top:0;}
  .cat-pills{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .cat-pills::-webkit-scrollbar{display:none;}
  .cat-pills a{flex:0 0 auto;}
  .hero{padding:54px 0 64px;}
  .hero-search{flex-wrap:wrap;border-radius:var(--r-md);padding:14px;}
  .hero-search i{display:none;}
  .hero-search input{flex:1 1 100%;padding:0 4px;}
  .hero-search button{width:100%;justify-content:center;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .form-band{padding:28px 20px;}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .modal-dialog{margin:0;align-items:flex-end;min-height:100%;}
  .modal-content{border-radius:var(--r-lg) var(--r-lg) 0 0;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .stat-card{padding:22px 18px;}
  .stat-num{font-size:30px;}
  .info-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:56px 0;}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .float-card .fc-num{font-size:28px;}
}

/* roulang page: article */
:root{
  --brand:#5B34E8;
  --brand-2:#7A4BFF;
  --mint:#17D3B1;
  --orange:#FF8A3D;
  --ink:#171430;
  --ink-2:#4A4660;
  --ink-3:#8B87A3;
  --bg:#F6F5FC;
  --card:#FFFFFF;
  --line:#E7E4F4;
  --grad:linear-gradient(115deg,#5B34E8 0%,#7A4BFF 48%,#17D3B1 100%);
  --sh-1:0 2px 6px rgba(23,20,48,.04);
  --sh-2:0 18px 40px -18px rgba(91,52,232,.25);
  --r-lg:24px;
  --r-md:18px;
  --r-btn:14px;
  --r-pill:999px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(91,52,232,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(23,20,48,.03);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:20px;
  padding:14px 0 10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.02em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:13px;
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow:var(--sh-2);
}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  margin:0 auto;
}
.nav-search i{
  position:absolute;
  left:18px;
  top:50%;
  transform:translateY(-50%);
  color:var(--ink-3);
  font-size:15px;
  pointer-events:none;
}
.nav-search input{
  width:100%;
  height:50px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  padding:0 108px 0 46px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{
  outline:none;
  border-color:rgba(91,52,232,.5);
  box-shadow:0 0 0 4px rgba(91,52,232,.1);
}
.nav-search button{
  position:absolute;
  right:6px;
  top:6px;
  height:38px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-pill);
  background:var(--grad);
  color:#fff;
  font-weight:600;
  font-size:14px;
  cursor:pointer;
  transition:filter .2s ease,transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.nav-toggle{
  margin-left:auto;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
}
.nav-toggle:hover{background:#F1EDFE;border-color:rgba(91,52,232,.3)}
.nav-panel{padding-bottom:12px}
.cat-pills{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:4px 0 6px;
  scrollbar-width:none;
}
.cat-pills::-webkit-scrollbar{display:none}
.cat-pills a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14.5px;
  font-weight:600;
  transition:all .2s ease;
}
.cat-pills a i{font-size:13px;color:var(--brand)}
.cat-pills a:hover{
  background:#F1EDFE;
  border-color:rgba(91,52,232,.28);
  color:var(--brand);
  transform:translateY(-1px);
}
.cat-pills a.active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:var(--sh-2);
}
.cat-pills a.active i{color:#fff}

/* ---------- 页面头图区 ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:56px 0 52px;
  background-image:linear-gradient(115deg,rgba(23,20,48,.93) 0%,rgba(91,52,232,.78) 72%,rgba(23,211,177,.55) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  background-color:#2A1F55;
}
.breadcrumb-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.9)}
.breadcrumb-nav a:hover{color:#fff}
.breadcrumb-nav .sep{opacity:.5}
.breadcrumb-nav .current{color:#fff;font-weight:600}
.article-title{
  font-size:clamp(28px,4.6vw,44px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  max-width:900px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  margin-top:22px;
  font-size:14px;
  color:rgba(255,255,255,.85);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:rgba(255,255,255,.7)}
.meta-chip{
  padding:4px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.1);
  font-size:13px;
  font-weight:600;
}

/* ---------- 正文阅读区 ---------- */
.article-section{padding:56px 0 8px}
.article-wrap{max-width:820px;margin:0 auto}
.cms-article{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:44px 48px;
  box-shadow:var(--sh-1);
  color:var(--ink-2);
  font-size:16.5px;
  line-height:1.85;
}
.cms-article h1{font-size:26px;color:var(--ink);margin:0 0 .7em}
.cms-article h2{
  position:relative;
  font-size:clamp(20px,2.4vw,25px);
  color:var(--ink);
  margin:2em 0 .8em;
  padding-left:16px;
  line-height:1.4;
}
.cms-article h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  bottom:.2em;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.cms-article h3{font-size:18.5px;color:var(--ink);margin:1.6em 0 .6em}
.cms-article h3::before{
  content:"";
  display:inline-block;
  width:8px;
  height:8px;
  border-radius:50%;
  margin-right:10px;
  background:var(--mint);
  vertical-align:middle;
}
.cms-article p{margin:0 0 1.2em}
.cms-article ul,.cms-article ol{margin:0 0 1.2em;padding-left:2px}
.cms-article li{position:relative;padding-left:24px;margin-bottom:.55em}
.cms-article ul>li::before{
  content:"";
  position:absolute;
  left:4px;
  top:.72em;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--grad);
}
.cms-article ol{counter-reset:item}
.cms-article ol>li{counter-increment:item}
.cms-article ol>li::before{
  content:counter(item);
  position:absolute;
  left:0;
  top:.25em;
  width:20px;
  height:20px;
  border-radius:6px;
  background:#F1EDFE;
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.cms-article blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:4px solid transparent;
  border-image:var(--grad) 1;
  background:#F6F5FC;
  border-radius:0 16px 16px 0;
  color:var(--ink-2);
}
.cms-article blockquote p:last-child{margin-bottom:0}
.cms-article img{border-radius:16px;margin:1.4em 0;box-shadow:var(--sh-1)}
.cms-article figure{margin:1.6em 0}
.cms-article figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.cms-article a{font-weight:600;border-bottom:2px solid rgba(91,52,232,.25)}
.cms-article a:hover{border-bottom-color:var(--brand-2)}
.cms-article table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
}
.cms-article th,.cms-article td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  white-space:nowrap;
}
.cms-article th{background:#F6F5FC;color:var(--ink);font-weight:700}
.cms-article hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.cms-article code{
  background:#F1EDFE;
  color:var(--brand);
  padding:2px 7px;
  border-radius:6px;
  font-size:14px;
}
.empty-state{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:64px 32px;
  text-align:center;
  box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:64px;
  height:64px;
  margin:0 auto 20px;
  border-radius:20px;
  background:#F1EDFE;
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-3);margin-bottom:24px}

/* ---------- 通用按钮 ---------- */
.btn-grad,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:700;
  cursor:pointer;
  border:0;
  transition:all .22s ease;
}
.btn-grad{
  background:var(--grad);
  color:#fff;
  box-shadow:var(--sh-2);
}
.btn-grad:hover{color:#fff;filter:brightness(1.07);transform:translateY(-2px)}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border:1.5px solid rgba(91,52,232,.35);
}
.btn-ghost:hover{background:#F1EDFE;color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}

/* ---------- 要点卡 ---------- */
.keypoints{padding:64px 0 0}
.section-head{margin-bottom:28px}
.section-head h2{font-size:clamp(22px,3vw,30px);letter-spacing:-.02em}
.section-head p{color:var(--ink-3);margin:10px 0 0;font-size:15px}
.key-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.key-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.key-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.key-card .key-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:13px;
  background:#F1EDFE;
  color:var(--brand);
  font-weight:800;
  font-size:15px;
  margin-bottom:16px;
}
.key-card h3{font-size:18px;margin-bottom:10px}
.key-card p{color:var(--ink-2);font-size:15px;margin:0;line-height:1.75}
.key-card .accent{color:var(--orange);font-weight:700}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0 0}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow .22s ease;
}
.faq-item[open]{box-shadow:var(--sh-1)}
.faq-item summary{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 56px 20px 26px;
  cursor:pointer;
  font-weight:700;
  font-size:16.5px;
  color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;
  top:14px;
  bottom:14px;
  width:4px;
  border-radius:4px;
  background:var(--grad);
}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:13px;
  color:var(--brand);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-body{
  padding:0 26px 22px 26px;
  background:#F6F5FC;
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
}
.faq-body p:first-child{padding-top:18px}
.faq-body p:last-child{margin-bottom:0}

/* ---------- 继续查看 ---------- */
.related-section{padding:72px 0 0}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  color:var(--ink);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.related-card:hover{color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.related-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:var(--grad);
  overflow:hidden;
}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(23,20,48,.55),rgba(91,52,232,.35));
}
.related-body{padding:22px 22px 24px}
.related-body span{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand);
  background:#F1EDFE;
  padding:4px 12px;
  border-radius:var(--r-pill);
  margin-bottom:12px;
}
.related-body h3{font-size:17.5px;margin-bottom:8px;line-height:1.45}
.related-body p{color:var(--ink-3);font-size:14.5px;margin:0;line-height:1.7}
.related-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:16px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:76px 0 0}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:52px 46px;
  background-image:linear-gradient(115deg,rgba(23,20,48,.9),rgba(91,52,232,.82)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  background-color:#2A1F55;
  color:#fff;
}
.cta-card h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.85);max-width:640px;margin-bottom:26px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-actions .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.45)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  margin-top:96px;
  background:#171430;
  color:#CFCAE8;
  padding:64px 0 26px;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(60% 80% at 10% 0%,rgba(91,52,232,.35),transparent 62%),
             radial-gradient(50% 70% at 88% 8%,rgba(23,211,177,.2),transparent 62%);
  pointer-events:none;
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:#A9A3C6;margin:0;max-width:320px}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-links li,.footer-contact li{margin-bottom:11px;font-size:14px}
.footer-links a{color:#A9A3C6}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#A9A3C6}
.footer-contact i{color:var(--mint);margin-top:4px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;
  font-size:13px;
  color:#8B87A3;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .key-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-top{flex-wrap:wrap;gap:12px}
  .nav-search{order:3;flex-basis:100%;max-width:none;margin:10px 0 0}
  .nav-toggle{margin-left:auto}
  .page-hero{padding:44px 0 40px}
  .cms-article{padding:34px 30px}
  .article-section{padding:44px 0 0}
  .keypoints,.faq-section,.related-section{padding-top:56px}
  .cta-card{padding:40px 30px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:767.98px){
  .key-grid,.related-grid{grid-template-columns:1fr}
  .cms-article{padding:26px 20px;font-size:16px;border-radius:20px}
  .article-title{font-size:clamp(25px,7vw,32px)}
  .cta-card{border-radius:20px;padding:34px 22px}
  .btn-grad,.btn-ghost{height:46px;padding:0 20px;font-size:15px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .brand{font-size:17px}
  .brand-mark{width:34px;height:34px;border-radius:11px;font-size:13px}
  .nav-search input{height:46px;padding-right:96px}
  .nav-search button{height:34px;padding:0 15px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-meta{font-size:13px;gap:8px 16px}
  .faq-item summary{font-size:15.5px;padding:18px 48px 18px 20px}
  .faq-body{padding:0 20px 20px 20px}
}

/* roulang page: category1 */
:root{
  --brand:#5B34E8;
  --brand-2:#7A4BFF;
  --mint:#17D3B1;
  --orange:#FF8A3D;
  --ink:#171430;
  --ink-2:#4A4660;
  --muted:#8B87A3;
  --bg:#F6F5FC;
  --card:#FFFFFF;
  --line:#E7E4F4;
  --tint:#F1EDFE;
  --grad:linear-gradient(115deg,#5B34E8 0%,#7A4BFF 52%,#17D3B1 100%);
  --grad-soft:linear-gradient(115deg,rgba(91,52,232,.10),rgba(23,211,177,.12));
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-1:0 2px 6px rgba(23,20,48,.04);
  --shadow-2:0 18px 40px -18px rgba(91,52,232,.25);
  --shadow-3:0 24px 54px -22px rgba(23,20,48,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-2)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{letter-spacing:-.01em;line-height:1.35}
:focus-visible{outline:3px solid rgba(91,52,232,.35);outline-offset:2px}
.container{width:100%;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}
@media (min-width:576px){.container{max-width:560px}}
@media (min-width:768px){.container{max-width:740px}}
@media (min-width:992px){.container{max-width:980px}}
@media (min-width:1200px){.container{max-width:1200px;padding-left:24px;padding-right:24px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.nav-top{display:flex;align-items:center;gap:20px;padding:14px 0;flex-wrap:wrap}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.01em;
}
.brand:hover{color:var(--brand)}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 auto;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:800;
  box-shadow:var(--shadow-2);letter-spacing:.02em;
}
.nav-search{
  position:relative;flex:1 1 320px;max-width:600px;margin:0 auto;
  display:flex;align-items:center;gap:8px;
  height:52px;padding:4px 4px 4px 46px;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--radius-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(91,52,232,.12)}
.nav-search>i{
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:15px;pointer-events:none;
}
.nav-search input[type=search]{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  height:42px;font-size:15px;color:var(--ink);
}
.nav-search input[type=search]::placeholder{color:#A9A5BC}
.nav-search button{
  flex:0 0 auto;border:0;cursor:pointer;
  height:42px;padding:0 24px;border-radius:var(--radius-pill);
  background:var(--grad);background-size:170% 170%;background-position:0 0;
  color:#fff;font-size:14.5px;font-weight:700;
  transition:background-position .3s ease,filter .2s ease,box-shadow .2s ease;
}
.nav-search button:hover{background-position:100% 0;filter:brightness(1.06)}
.nav-search button:focus-visible{outline:3px solid rgba(91,52,232,.35);outline-offset:2px}
.nav-toggle{
  order:2;margin-left:auto;
  width:46px;height:46px;border-radius:var(--radius-sm);
  background:#fff;border:1.5px solid var(--line);color:var(--brand);
  display:grid;place-items:center;cursor:pointer;font-size:17px;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--tint);border-color:rgba(91,52,232,.35)}
.nav-panel{padding-bottom:12px}
.cat-pills{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;padding:2px 0 4px;
  scrollbar-width:none;
}
.cat-pills::-webkit-scrollbar{height:0}
.cat-pills a{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);
  color:var(--ink-2);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:all .22s ease;
}
.cat-pills a i{font-size:13px;color:var(--brand)}
.cat-pills a:hover{color:var(--brand);border-color:rgba(91,52,232,.4);background:var(--tint)}
.cat-pills a.active{
  background:var(--grad);border-color:transparent;color:#fff;
  box-shadow:var(--shadow-2);
}
.cat-pills a.active i{color:#fff}
@media (max-width:991.98px){
  .brand{order:1}
  .nav-search{order:3;flex-basis:100%;max-width:none;margin:4px 0 0}
  .nav-panel{padding-bottom:8px}
  .nav-panel.collapse.show,.nav-panel.collapsing{
    border-top:1px solid var(--line);margin-top:12px;padding-top:12px;
  }
}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;isolation:isolate;
  color:#fff;
  padding:72px 0 96px;
  background:linear-gradient(115deg,#3B1FAA 0%,#5B34E8 48%,#17D3B1 130%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.32;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(115deg,rgba(43,21,132,.94) 0%,rgba(91,52,232,.80) 50%,rgba(23,211,177,.58) 100%);
}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px}
.breadcrumb-nav a{color:rgba(255,255,255,.86)}
.breadcrumb-nav a:hover{color:#fff}
.breadcrumb-nav .sep{opacity:.6}
.hero h1{
  font-size:clamp(28px,4.6vw,44px);font-weight:800;letter-spacing:-.02em;
  color:#fff;max-width:820px;margin-bottom:18px;
}
.hero-sub{
  font-size:clamp(16px,1.6vw,18px);line-height:1.8;
  color:rgba(255,255,255,.9);max-width:640px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13.5px;color:#fff;
}
.hero-badges i{color:var(--mint)}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);border:0;cursor:pointer;
  font-size:15px;font-weight:700;line-height:1.2;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,background-position .3s ease,filter .2s ease;
}
.btn-grad{background:var(--grad);background-size:170% 170%;background-position:0 0;color:#fff;box-shadow:var(--shadow-2)}
.btn-grad:hover{background-position:100% 0;filter:brightness(1.07);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-3)}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid rgba(91,52,232,.35)}
.btn-ghost:hover{background:var(--tint);color:var(--brand);transform:translateY(-2px)}
.btn-outline-light-x{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-outline-light-x:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand);box-shadow:var(--shadow-1)}
.btn-white:hover{background:var(--tint);color:var(--brand);transform:translateY(-2px)}
.btn-x:focus-visible{outline:3px solid rgba(91,52,232,.4);outline-offset:3px}

/* ============ 数据徽章 ============ */
.stat-wrap{margin-top:-58px;position:relative;z-index:3}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px 20px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(91,52,232,.28)}
.stat-num{
  display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1.15;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num .unit{font-size:15px;font-weight:700;margin-left:4px}
.stat-label{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 主体分栏 ============ */
.cat-layout{
  display:grid;grid-template-columns:268px minmax(0,1fr);gap:40px;
  align-items:start;padding:76px 0 88px;
}
.anchor-nav{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 18px;box-shadow:var(--shadow-1);
}
.anchor-nav h2{
  font-size:14px;font-weight:800;color:var(--muted);letter-spacing:.08em;
  text-transform:uppercase;padding:0 10px 12px;margin-bottom:6px;
  border-bottom:1px dashed var(--line);
}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);
  color:var(--ink-2);font-size:14.5px;font-weight:600;
  border-left:3px solid transparent;
}
.anchor-nav a i{font-size:12px;color:var(--mint)}
.anchor-nav a:hover{background:var(--tint);color:var(--brand);border-left-color:var(--brand)}
.anchor-tip{
  margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--grad-soft);font-size:13.5px;color:var(--ink-2);line-height:1.75;
}
.anchor-tip strong{color:var(--brand)}

.cat-main{display:flex;flex-direction:column;gap:64px;min-width:0}
.section-head{max-width:760px;margin-bottom:26px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--tint);color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:12px}
.section-head p{color:var(--ink-2);font-size:15.5px}
.section-head p+p{margin-top:12px}

/* ============ 简介 ============ */
.intro-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 30px 26px;box-shadow:var(--shadow-1);
}
.intro-panel p{color:var(--ink-2);margin-bottom:14px}
.intro-panel p:last-of-type{margin-bottom:0}
.key-list{margin-top:20px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 22px}
.key-list li{display:flex;gap:10px;font-size:14.8px;color:var(--ink-2)}
.key-list i{margin-top:6px;color:var(--mint);font-size:13px}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(91,52,232,.26)}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(115deg,#5B34E8,#17D3B1);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.info-card:hover .card-media img{transform:scale(1.05)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,20,48,.06) 0%,rgba(91,52,232,.42) 100%);
}
.card-media .card-index{
  position:absolute;left:18px;bottom:14px;z-index:2;
  font-size:13px;font-weight:800;color:#fff;letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:14px;flex:1}
.card-body h3{font-size:19px;font-weight:700}
.card-body p{color:var(--ink-2);font-size:14.8px;line-height:1.8}
.tip-list{display:flex;flex-direction:column;gap:9px;margin-top:2px}
.tip-list li{display:flex;gap:10px;font-size:14.2px;color:var(--ink-2);line-height:1.75}
.tip-list i{margin-top:6px;font-size:12px;color:var(--brand)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--tint);color:var(--brand);
  font-size:12.5px;font-weight:700;
}
.tag.mint{background:rgba(23,211,177,.14);color:#0E9C82}

/* ============ 流程步骤 ============ */
.process-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:#fff;padding:34px 32px 30px;box-shadow:var(--shadow-1);
}
.process-panel::before{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
  border-radius:50%;background:var(--grad-soft);z-index:0;
}
.step-list{position:relative;z-index:1;counter-reset:step}
.step-item{position:relative;padding:0 0 30px 64px}
.step-item:last-child{padding-bottom:0}
.step-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;width:46px;height:46px;border-radius:14px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:800;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-2);
}
.step-item::after{
  content:"";position:absolute;left:22px;top:56px;bottom:10px;width:2px;
  background:linear-gradient(180deg,rgba(91,52,232,.35),rgba(23,211,177,.16));
}
.step-item:last-child::after{display:none}
.step-item h3{font-size:17.5px;font-weight:700;margin-bottom:8px}
.step-item p{color:var(--ink-2);font-size:14.8px}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(91,52,232,.26)}
.scene-card .scene-ico{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand);font-size:17px;margin-bottom:16px;
}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.scene-card p{color:var(--ink-2);font-size:14.6px}
.scene-card .status{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:12.5px;font-weight:700;color:var(--orange);
}
.scene-card .status.ok{color:#0E9C82}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-md)!important;
  background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
}
.faq-accordion .accordion-button{
  position:relative;background:#fff;color:var(--ink);
  font-size:16px;font-weight:700;line-height:1.6;
  padding:20px 54px 20px 32px;border:0;box-shadow:none;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:14px;top:26px;
  width:4px;height:20px;border-radius:4px;background:var(--grad);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#FBFAFF}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(91,52,232,.18);z-index:2}
.faq-accordion .accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;
  width:9px;height:9px;margin:0;background:none;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .3s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:translateY(-30%) rotate(-135deg);
}
.faq-accordion .accordion-body{
  background:var(--bg);color:var(--ink-2);font-size:14.8px;line-height:1.85;
  padding:18px 26px 22px 32px;border-top:1px solid var(--line);
}
.faq-accordion .accordion-body p+p{margin-top:10px}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:var(--radius-lg);
  padding:40px 38px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-3);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.14);
}
.cta-band>div{position:relative;z-index:1;max-width:620px}
.cta-band h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;overflow:hidden;
  background:#171430;color:rgba(255,255,255,.72);
  padding:64px 0 26px;margin-top:12px;
}
.site-footer::before{
  content:"";position:absolute;left:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,52,232,.42),rgba(23,211,177,.06) 62%,transparent 72%);
  pointer-events:none;
}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:34px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px}
.footer-brand:hover{color:#fff}
.footer-desc{margin-top:14px;font-size:14.2px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links li,.footer-contact li{font-size:14.2px;line-height:1.8}
.footer-links a{color:rgba(255,255,255,.68);display:inline-block;padding:4px 0}
.footer-links a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.68);padding:4px 0}
.footer-contact i{margin-top:5px;color:var(--mint);font-size:13px}
.footer-bottom{
  position:relative;z-index:1;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cat-layout{grid-template-columns:236px minmax(0,1fr);gap:30px}
}
@media (max-width:991.98px){
  .hero{padding:56px 0 88px}
  .cat-layout{grid-template-columns:1fr;padding:56px 0 64px;gap:34px}
  .anchor-nav{position:static}
  .anchor-nav ul{display:flex;flex-wrap:wrap;gap:6px}
  .anchor-nav a{border-left:0;border:1px solid var(--line);border-radius:var(--radius-pill);padding:8px 14px}
  .cat-main{gap:52px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767.98px){
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .card-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .key-list{grid-template-columns:1fr}
  .process-panel{padding:26px 22px 22px}
  .intro-panel{padding:24px 22px}
  .cta-band{padding:32px 24px}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .hero{padding:44px 0 78px}
  .hero-actions .btn-x{width:100%}
  .stat-wrap{margin-top:-46px}
  .stat-card{padding:18px 16px}
  .step-item{padding-left:56px}
  .step-item::before{width:42px;height:42px}
  .step-item::after{left:20px}
  .faq-accordion .accordion-button{padding:18px 48px 18px 28px;font-size:15.2px}
  .faq-accordion .accordion-body{padding:16px 20px 20px 28px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-actions .btn-x{width:100%}
}

/* roulang page: category2 */
:root{
  --brand:#5B34E8;
  --brand-2:#7A4BFF;
  --mint:#17D3B1;
  --orange:#FF8A3D;
  --ink:#171430;
  --ink-2:#4A4660;
  --bg:#F6F5FC;
  --card:#FFFFFF;
  --line:#E7E4F4;
  --muted:#8B87A3;
  --soft:#F1EDFE;
  --grad:linear-gradient(115deg,#5B34E8 0%,#7A4BFF 48%,#17D3B1 100%);
  --grad-soft:linear-gradient(115deg,rgba(91,52,232,.10),rgba(23,211,177,.12));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 2px 6px rgba(23,20,48,.04);
  --sh-2:0 18px 40px -18px rgba(91,52,232,.25);
  --sp:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.6vw,44px);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(22px,3vw,30px)}
h3{font-size:19px;font-weight:600}
p{margin:0 0 1.2em}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
img{max-width:100%;height:auto;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(91,52,232,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(8px);
  box-shadow:var(--sh-1);
}
.nav-top{display:flex;align-items:center;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 8px 18px -8px rgba(91,52,232,.7);
}
.nav-search{
  flex:1 1 auto;max-width:560px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
  padding:6px 6px 6px 18px;height:52px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 5px rgba(91,52,232,.10)}
.nav-search i{color:var(--muted);font-size:15px}
.nav-search input{
  flex:1;border:0;outline:0;background:transparent;font-size:15px;color:var(--ink);min-width:0;
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search button{
  border:0;border-radius:999px;padding:0 22px;height:40px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:filter .2s ease,transform .2s ease;
}
.nav-search button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.nav-toggle{
  margin-left:auto;border:1.5px solid var(--line);background:#fff;color:var(--ink);
  width:46px;height:46px;border-radius:14px;font-size:18px;cursor:pointer;
}
.nav-panel{padding-bottom:14px}
.cat-pills{display:flex;flex-wrap:wrap;gap:10px}
.cat-pills a{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;border:1.5px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:14.5px;font-weight:600;
  transition:all .2s ease;
}
.cat-pills a i{font-size:13px;color:var(--brand)}
.cat-pills a:hover{border-color:#D8D0FB;background:var(--soft);color:var(--brand);transform:translateY(-1px)}
.cat-pills a.active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:var(--sh-2)}
.cat-pills a.active i{color:#fff}

/* ============ 顶部通栏 ============ */
.page-banner{
  position:relative;
  padding:96px 0 132px;
  background-image:linear-gradient(115deg,rgba(23,20,48,.86),rgba(91,52,232,.72) 55%,rgba(23,211,177,.52)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  background-color:var(--brand);
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:auto -10% -60% 40%;height:320px;
  background:radial-gradient(circle,rgba(23,211,177,.35),transparent 65%);
  pointer-events:none;
}
.banner-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:18px}
.banner-crumb a{color:rgba(255,255,255,.9)}
.banner-crumb a:hover{color:#fff}
.banner-crumb span.sep{opacity:.6}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;
}
.banner-lead{max-width:56%;color:rgba(255,255,255,.88);font-size:16.5px;margin-top:14px}
.banner-title{color:#fff}
.banner-title span{background:linear-gradient(100deg,#17D3B1,#9CF0DE);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 悬浮标题卡 */
.float-card-wrap{margin-top:-84px;position:relative;z-index:5}
.float-card{
  background:var(--card);border-radius:var(--r-lg);padding:32px 34px;
  box-shadow:var(--sh-2),0 2px 6px rgba(23,20,48,.04);
  border:1px solid var(--line);
  display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:center;
}
.float-card h1{font-size:clamp(24px,3.2vw,34px)}
.float-card p{margin:12px 0 0;font-size:15.5px;color:var(--ink-2)}
.float-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.fact{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;
}
.fact b{display:block;font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.fact em{font-style:normal;font-size:13px;color:var(--muted)}

/* ============ 通用板块 ============ */
.sec{padding:88px 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:4px;border-radius:999px;background:var(--grad)}
.sec-sub{font-size:15.5px;color:var(--muted);margin-top:12px}

/* 要点卡 */
.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D8D0FB}
.point-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-soft);border:1px solid #DED7FB;color:var(--brand);font-size:20px;margin-bottom:18px;
}
.point-card h3{margin-bottom:10px}
.point-card p{margin:0 0 14px;font-size:15px}
.mini-list li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);margin-bottom:8px;
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.card-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;
  padding-bottom:3px;border-bottom:4px solid transparent;
  background-image:linear-gradient(90deg,var(--brand),var(--mint));
  background-repeat:no-repeat;background-size:22px 3px;background-position:0 100%;
  transition:background-size .25s ease,color .2s ease;
}
.card-link:hover{background-size:100% 3px;color:var(--brand-2)}

/* 时间轴 */
.timeline{max-width:900px}
.tl-item{display:flex;gap:22px;position:relative;padding-bottom:34px}
.tl-item::before{
  content:"";position:absolute;left:25px;top:56px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(91,52,232,.45),rgba(23,211,177,.35));
}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-num{
  flex:0 0 52px;width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 12px 26px -12px rgba(91,52,232,.75);font-variant-numeric:tabular-nums;
}
.tl-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;flex:1;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tl-body h3{margin-bottom:8px}
.tl-body p{margin:0;font-size:15px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--soft);color:var(--brand);border:1px solid #DED7FB;
}
.chip.mint{background:rgba(23,211,177,.12);color:#0F8E78;border-color:rgba(23,211,177,.35)}
.chip.orange{background:rgba(255,138,61,.12);color:#C25A14;border-color:rgba(255,138,61,.35)}

/* 横向内容卡 */
.lcard{
  display:grid;grid-template-columns:300px 1fr;gap:0;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);margin-bottom:22px;transition:box-shadow .25s ease,transform .25s ease;
}
.lcard:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.lcard-media{position:relative;min-height:230px;background:var(--grad);}
.lcard-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.lcard-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(91,52,232,.55),rgba(23,20,48,.35));
}
.lcard-body{padding:28px 30px}
.lcard-body h3{margin-bottom:10px}
.lcard-body p{margin:0 0 14px;font-size:15px}
.lcard-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}

/* 清单 + 图 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list i{
  flex:0 0 34px;width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(23,211,177,.14);color:#0F8E78;font-size:14px;margin-top:3px;
}
.check-list b{display:block;color:var(--ink);font-size:16px;font-weight:700;margin-bottom:4px}
.check-list span{font-size:14.5px;color:var(--ink-2)}
.media-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);
  background:var(--grad);min-height:340px;
}
.media-frame img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.media-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(91,52,232,.30),rgba(23,20,48,.42))}
.media-note{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.94);border-radius:var(--r-md);padding:16px 18px;
  font-size:14.5px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.media-note strong{color:var(--brand)}

/* 数据条 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;
  box-shadow:var(--sh-1);
}
.stat-card b{
  display:block;font-size:clamp(32px,4vw,42px);font-weight:800;line-height:1.15;
  background:linear-gradient(115deg,#5B34E8,#17D3B1);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-card span{display:block;font-size:13.5px;color:var(--muted);margin-top:6px}

/* FAQ */
.faq-wrap{max-width:900px}
.faq-list .accordion-item{
  background:var(--card);border:1px solid var(--line)!important;border-radius:var(--r-md)!important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-list .accordion-button{
  font-size:16.5px;font-weight:700;color:var(--ink);background:transparent;padding:20px 24px 20px 26px;
  box-shadow:none!important;position:relative;
}
.faq-list .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:999px;background:var(--grad);
}
.faq-list .accordion-button:not(.collapsed){color:var(--brand);background:rgba(241,237,254,.5)}
.faq-list .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  width:32px;height:32px;border-radius:50%;background-color:var(--soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s ease;
}
.faq-list .accordion-button:not(.collapsed)::after{transform:rotate(180deg);background:var(--grad);color:#fff}
.faq-list .accordion-body{
  background:var(--bg);font-size:15px;color:var(--ink-2);padding:18px 26px 22px;line-height:1.85;
}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(115deg,#171430,#3A1FA8 55%,#0F8E78);
  padding:52px 48px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,211,177,.4),transparent 68%);
}
.cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.82);max-width:640px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* 表单 */
.form-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;
  box-shadow:var(--sh-1);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:700;color:var(--ink)}
.field label .req{color:var(--orange);margin-left:4px}
.field input,.field select,.field textarea{
  border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;font-size:15px;
  color:var(--ink);background:#fff;outline:0;transition:border-color .2s ease,box-shadow .2s ease;
  font-family:inherit;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(91,52,232,.12)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);grid-column:1 / -1}
.consent input{margin-top:4px;width:18px;height:18px;accent-color:var(--brand)}
.form-note{grid-column:1 / -1;font-size:12.5px;color:var(--muted);line-height:1.7;margin:0}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:var(--r-sm);padding:14px 28px;font-size:15.5px;font-weight:700;
  cursor:pointer;border:1.5px solid transparent;transition:all .22s ease;
}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 14px 30px -14px rgba(91,52,232,.8)}
.btn-main:hover{filter:brightness(1.08);transform:translateY(-2px);color:#fff}
.btn-ghost{background:#fff;border-color:#D8D0FB;color:var(--brand)}
.btn-ghost:hover{background:var(--soft);color:var(--brand);transform:translateY(-2px)}
.btn-ghost.on-dark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-block{width:100%}

/* 页脚 */
.site-footer{
  margin-top:88px;position:relative;overflow:hidden;
  background:#171430;color:rgba(255,255,255,.72);padding:64px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;left:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,52,232,.42),transparent 66%);
}
.site-footer::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,211,177,.24),transparent 68%);
}
.footer-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);margin:0}
.footer-title{color:#fff;font-size:15.5px;margin-bottom:16px}
.footer-links li,.footer-contact li{margin-bottom:11px;font-size:14.5px}
.footer-links a{color:rgba(255,255,255,.7)}
.footer-links a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.7)}
.footer-contact i{margin-top:5px;color:var(--mint)}
.footer-bottom{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1199px){
  .banner-lead{max-width:70%}
}
@media (max-width:991px){
  .nav-search{max-width:none;order:3;flex-basis:100%;margin:0}
  .nav-top{flex-wrap:wrap;gap:12px}
  .nav-toggle{order:2}
  .brand{order:1}
  .cat-pills{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .cat-pills::-webkit-scrollbar{display:none}
  .cat-pills a{flex:0 0 auto}
  .page-banner{padding:72px 0 120px}
  .banner-lead{max-width:100%}
  .float-card{grid-template-columns:1fr;gap:20px}
  .point-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .lcard{grid-template-columns:260px 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .sec{padding:60px 0}
  .point-grid{grid-template-columns:1fr}
  .lcard{grid-template-columns:1fr}
  .lcard-media{min-height:190px;position:relative}
  .lcard-media img{position:relative;height:190px}
  .cta-band{padding:36px 24px}
  .form-panel{padding:24px 20px}
  .form-grid{grid-template-columns:1fr}
  .btn-main,.btn-ghost{width:100%}
  .cta-actions{flex-direction:column}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .float-card{padding:24px 20px}
  .stat-grid{grid-template-columns:1fr}
  .fact b{font-size:20px}
  .footer-grid{grid-template-columns:1fr}
  .tl-item{gap:14px}
  .tl-num{flex:0 0 42px;width:42px;height:42px;font-size:16px}
  .tl-item::before{left:20px;top:46px}
}