/* roulang page: index */
:root{
  --c-primary:#1750C8;
  --c-primary-dark:#0E3699;
  --c-primary-light:#E8EFFC;
  --c-neon:#2FF3C8;
  --c-warm:#FF7A2F;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-dark:#0B1526;
  --c-dark-2:#111E33;
  --c-text:#0E1726;
  --c-text-2:#4A5568;
  --c-text-3:#8492A6;
  --c-border:#E3E9F2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,23,38,.04),0 10px 24px -14px rgba(14,23,38,.12);
  --sh-2:0 16px 36px -14px rgba(14,23,38,.22);
  --nav-h:68px;
  --sec-pad:96px;
  --gap:22px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--c-primary-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* 容器 */
.grid-container.site-container{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
}
@media print,screen and (min-width:1024px){
  .grid-container.site-container{padding-left:40px;padding-right:40px;}
}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -12px rgba(23,80,200,.75);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2);}
.btn-neon{background:transparent;color:var(--c-neon);border-color:rgba(47,243,200,.55);}
.btn-neon:hover{background:rgba(47,243,200,.12);color:var(--c-neon);box-shadow:0 0 18px rgba(47,243,200,.35);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#C9D7F2;}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn-light{background:#fff;color:var(--c-primary-dark);}
.btn-light:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* 标签 */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;line-height:1;
  background:var(--c-primary-light);color:var(--c-primary-dark);
}
.badge-neon{background:rgba(47,243,200,.16);color:#0C7C67;}
.badge-warm{background:rgba(255,122,47,.14);color:#C4551A;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:var(--c-dark);
  height:var(--nav-h);
  transition:height .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,243,200,0),rgba(47,243,200,.7),rgba(23,80,200,.6),rgba(47,243,200,0));
}
.site-header.is-stuck{height:60px;box-shadow:0 14px 32px -18px rgba(4,10,22,.85);background:#091223;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-h);transition:height .25s ease;}
.site-header.is-stuck .nav-inner{height:60px;}
.brand{display:flex;align-items:baseline;gap:2px;font-size:22px;font-weight:700;letter-spacing:.4px;color:#fff;}
.brand:hover{color:#fff;}
.brand .brand-mk{color:var(--c-neon);}
.brand .brand-sub{font-size:13px;font-weight:500;color:rgba(255,255,255,.62);margin-left:8px;letter-spacing:.3px;}
.main-nav{display:flex;align-items:center;height:100%;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:0 18px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);
}
.nav-link:hover{color:#fff;}
.nav-link.is-active{color:var(--c-neon);text-shadow:0 0 12px rgba(47,243,200,.55);}
.nav-link.is-active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:0;height:2px;
  background:var(--c-neon);box-shadow:0 0 12px rgba(47,243,200,.55);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.18);
  border-radius:10px;background:transparent;cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;z-index:55;
  background:var(--c-dark);padding:12px 20px 32px;
  transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;font-size:17px;font-weight:500;
  color:rgba(255,255,255,.86);border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-link:hover{color:var(--c-neon);}
.drawer-link.is-active{color:var(--c-neon);}
.drawer-cta{margin-top:24px;}
body{padding-top:var(--nav-h);}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:600px;display:flex;align-items:center;
  background:#08111F url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,16,30,.94) 0%,rgba(7,16,30,.80) 44%,rgba(7,16,30,.56) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(to bottom,rgba(246,248,252,0),rgba(246,248,252,.92) 78%,var(--c-bg));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:100%;padding:72px 0 96px;}
.hero-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;}
.hero-copy{max-width:660px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:999px;background:rgba(47,243,200,.12);
  border:1px solid rgba(47,243,200,.35);
  font-size:13px;font-weight:600;color:var(--c-neon);letter-spacing:.4px;margin-bottom:22px;
}
.hero-eyebrow i{font-size:11px;}
.hero h1{
  font-size:clamp(34px,4.6vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.5px;
  color:#fff;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--c-neon);}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-filter{
  display:flex;gap:10px;max-width:560px;padding:10px;border-radius:14px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.hero-filter input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.94);
  color:var(--c-text);font-size:15px;
}
.hero-filter input::placeholder{color:var(--c-text-3);}
.hero-filter input:focus{outline:none;border-color:var(--c-neon);box-shadow:0 0 0 3px rgba(47,243,200,.28);}
.hero-hint{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);}
.hero-float{
  flex:0 0 268px;padding:20px;border-radius:16px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 24px 48px -28px rgba(0,0,0,.8);
}
.hero-float .dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--c-neon);
  box-shadow:0 0 10px rgba(47,243,200,.8);margin-right:8px;vertical-align:middle;
}
.hero-float .f-label{font-size:13px;color:rgba(255,255,255,.66);}
.hero-float .f-value{font-size:19px;font-weight:700;color:#fff;margin:6px 0 10px;}
.hero-float .f-meta{font-size:13px;color:rgba(255,255,255,.62);line-height:1.7;}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#fff;}
.section-dark{background:var(--c-dark);color:#fff;}
.sec-head{margin-bottom:36px;}
.sec-title{
  position:relative;padding-left:18px;font-size:30px;font-weight:700;
  line-height:1.3;letter-spacing:-.3px;color:var(--c-text);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:24px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 14px rgba(23,80,200,.45);
}
.section-dark .sec-title{color:#fff;}
.section-dark .sec-title::before{background:var(--c-neon);box-shadow:0 0 14px rgba(47,243,200,.6);}
.sec-desc{margin-top:12px;font-size:15px;color:var(--c-text-2);max-width:720px;}
.section-dark .sec-desc{color:rgba(255,255,255,.68);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ 横滑片库 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 280px;scroll-snap-align:start;background:var(--c-card);
  border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:block;color:inherit;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit;}
.rail-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rail-card:hover .rail-thumb img{transform:scale(1.04);}
.rail-thumb .rank{
  position:absolute;top:12px;left:12px;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(11,21,38,.82);color:var(--c-neon);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;letter-spacing:.5px;
}
.rail-body{padding:16px 18px 20px;}
.rail-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--c-text);margin-bottom:8px;}
.rail-meta{font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:10px;font-variant-numeric:tabular-nums;}
.rail-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--c-border);}
.rail-nav{display:flex;gap:10px;}
.rail-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid #C9D7F2;background:#fff;
  color:var(--c-primary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,box-shadow .2s ease;
}
.rail-arrow:hover{background:var(--c-primary-light);box-shadow:var(--sh-1);}
.rail-tip{display:none;font-size:13px;color:var(--c-text-3);margin-top:-8px;}

/* ============ 编辑精选（不对称网格） ============ */
.feat-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--gap);}
.feat-side{display:grid;grid-template-rows:1fr 1fr;gap:var(--gap);}
.feat-main{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:420px;
  box-shadow:var(--sh-1);display:block;color:#fff;
}
.feat-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.feat-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,17,31,.10) 20%,rgba(8,17,31,.88) 100%);
}
.feat-main:hover{color:#fff;box-shadow:var(--sh-2);}
.feat-main .fm-body{position:relative;z-index:2;padding:28px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;}
.feat-main h3{font-size:25px;font-weight:700;line-height:1.42;margin:14px 0 10px;color:#fff;}
.feat-main p{font-size:14px;color:rgba(255,255,255,.76);max-width:520px;}
.feat-card{
  display:flex;gap:16px;padding:18px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);box-shadow:var(--sh-1);color:inherit;align-items:center;
}
.feat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:inherit;}
.feat-card .num{
  flex:0 0 46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),#3A76EE);color:#fff;font-weight:800;font-size:18px;
  font-variant-numeric:tabular-nums;
}
.feat-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-text);margin-bottom:6px;}
.feat-card .meta{font-size:13px;color:var(--c-text-3);}

/* ============ 四步路径 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:step;}
.step{
  position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:26px 22px 24px;box-shadow:var(--sh-1);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:26px;font-weight:800;color:var(--c-primary-light);
  -webkit-text-stroke:1px rgba(23,80,200,.4);letter-spacing:1px;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-text-2);line-height:1.8;}

/* ============ 资讯列表（CMS） ============ */
.news-list{border-top:1px solid var(--c-border);}
.news-item{
  display:grid;grid-template-columns:220px 1fr auto;gap:24px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--c-border);color:inherit;
}
.news-item:hover{background:#fff;color:inherit;}
.news-item:hover .news-title{color:var(--c-primary);}
.news-thumb{width:220px;aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:var(--c-primary-light);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.news-item:hover .news-thumb img{transform:scale(1.05);}
.news-body{min-width:0;}
.news-title{font-size:19px;font-weight:600;line-height:1.5;color:var(--c-text);margin-bottom:8px;transition:color .2s ease;}
.news-sum{
  font-size:14px;color:var(--c-text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-side{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.news-time{font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;white-space:nowrap;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:56px 24px;background:var(--c-primary-light);border:1px dashed #BFD2F4;border-radius:var(--r-card);
}
.empty-state i{font-size:26px;color:var(--c-primary);}
.empty-state p{font-size:15px;color:var(--c-text-2);}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);}
.text-link:hover{color:var(--c-primary-dark);gap:12px;}

/* ============ 数据一览 ============ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.10);border-radius:var(--r-card);overflow:hidden;}
.stat{background:var(--c-dark-2);padding:30px 24px;}
.stat .num{font-size:32px;font-weight:800;color:var(--c-neon);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat .num small{font-size:15px;font-weight:600;margin-left:2px;}
.stat .lbl{margin-top:8px;font-size:14px;color:rgba(255,255,255,.66);}

/* ============ 分区 Tabs ============ */
.zone-tabs.tabs{
  border:0;background:transparent;margin-bottom:26px;
  display:flex;flex-wrap:wrap;gap:8px;
}
.zone-tabs.tabs::after,.zone-tabs.tabs::before{display:none;}
.zone-tabs .tabs-title{float:none;}
.zone-tabs .tabs-title > a{
  display:block;padding:12px 22px;font-size:15px;font-weight:600;color:var(--c-text-2);
  border:1px solid var(--c-border);border-radius:999px;background:#fff;
  transition:all .2s ease;
}
.zone-tabs .tabs-title > a:hover{color:var(--c-primary);background:var(--c-primary-light);border-color:#C9D7F2;}
.zone-tabs .tabs-title.is-active > a{
  color:#fff;background:var(--c-primary);border-color:var(--c-primary);
  box-shadow:0 10px 22px -12px rgba(23,80,200,.8);
}
.tabs-panel{padding:0;}
.mosaic{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:var(--gap);}
.mosaic-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  background:var(--c-dark);color:#fff;min-height:190px;box-shadow:var(--sh-1);
}
.mosaic-card.wide{grid-row:span 2;min-height:400px;}
.mosaic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85;transition:transform .5s ease;}
.mosaic-card:hover img{transform:scale(1.05);}
.mosaic-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,17,31,.14),rgba(8,17,31,.86));}
.mosaic-card .mc-body{position:relative;z-index:2;padding:22px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;}
.mosaic-card h3{font-size:18px;font-weight:600;line-height:1.5;color:#fff;margin-bottom:6px;}
.mosaic-card.wide h3{font-size:22px;}
.mosaic-card .mc-meta{font-size:13px;color:rgba(255,255,255,.7);}
.mosaic-card:hover{color:#fff;box-shadow:var(--sh-2);}

/* ============ FAQ ============ */
.faq .accordion{background:transparent;border:0;}
.faq .accordion-item{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card) !important;
  margin-bottom:12px;overflow:hidden;
}
.faq .accordion-title{
  padding:18px 56px 18px 22px;font-size:17px;font-weight:600;color:var(--c-text);
  border:0;line-height:1.6;background:transparent;position:relative;
}
.faq .accordion-title:hover{background:#FAFBFE;color:var(--c-primary);}
.faq .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--c-primary);transition:transform .2s ease;
}
.faq .accordion-item.is-active{box-shadow:var(--sh-1);border-left:3px solid var(--c-neon);}
.faq .accordion-item.is-active .accordion-title{color:var(--c-primary);}
.faq .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq .accordion-content{padding:0 22px 20px;font-size:15px;color:var(--c-text-2);line-height:1.85;border:0;background:transparent;}
.faq .accordion-content p{margin-bottom:10px;}
.faq .accordion-content p:last-child{margin-bottom:0;}

/* ============ CTA 条带 ============ */
.cta-band{
  background:var(--c-dark);border-radius:18px;padding:34px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  border:1px solid rgba(47,243,200,.28);
  box-shadow:0 0 0 1px rgba(47,243,200,.06),0 30px 60px -40px rgba(4,10,22,.9);
}
.cta-band h2{font-size:24px;font-weight:700;color:#fff;line-height:1.4;}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.66);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.68);padding:64px 0 0;position:relative;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,243,200,0),rgba(47,243,200,.65),rgba(23,80,200,.5),rgba(47,243,200,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand{font-size:20px;font-weight:700;color:#fff;display:flex;align-items:baseline;gap:2px;margin-bottom:14px;}
.footer-brand .brand-mk{color:var(--c-neon);}
.footer-brand .brand-sub{font-size:12px;color:rgba(255,255,255,.55);margin-left:8px;font-weight:500;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--c-neon);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.48);}
.footer-bottom a:hover{color:var(--c-neon);}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .feat-grid{grid-template-columns:1fr;}
  .feat-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .mosaic{grid-template-columns:1fr 1fr;}
  .mosaic-card.wide{grid-row:auto;min-height:220px;grid-column:span 2;}
}
@media screen and (max-width:1023px){
  :root{--nav-h:56px;--sec-pad:64px;--gap:18px;}
  .main-nav{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .hero{min-height:520px;}
  .hero-inner{padding:48px 0 76px;}
  .hero-grid{flex-direction:column;align-items:flex-start;gap:32px;}
  .hero-float{flex:0 0 auto;width:100%;max-width:360px;}
  .steps{grid-template-columns:1fr 1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .news-item{grid-template-columns:180px 1fr;gap:18px;}
  .news-thumb{width:180px;}
  .news-side{grid-column:1 / -1;flex-direction:row;justify-content:space-between;align-items:center;text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:639px){
  body{font-size:15px;}
  .hero{min-height:480px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:15px;}
  .hero-cta .btn{width:100%;}
  .hero-filter{flex-direction:column;padding:12px;}
  .hero-filter input{height:44px;}
  .hero-filter .btn{width:100%;}
  .sec-title{font-size:24px;}
  .rail-card{flex:0 0 244px;}
  .rail-nav{display:none;}
  .rail-tip{display:block;}
  .feat-side{grid-template-columns:1fr;}
  .feat-main{min-height:320px;}
  .steps{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{padding:22px 18px;}
  .stat .num{font-size:26px;}
  .mosaic{grid-template-columns:1fr;}
  .mosaic-card.wide{grid-column:auto;}
  .news-item{grid-template-columns:1fr;gap:14px;padding:20px 0;}
  .news-thumb{width:100%;aspect-ratio:16/9;}
  .news-side{flex-direction:row;justify-content:space-between;}
  .news-title{font-size:17px;}
  .cta-band{flex-direction:column;align-items:stretch;padding:26px 22px;text-align:left;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-primary:#1750C8;
  --c-primary-dark:#0E3699;
  --c-primary-light:#E8EFFC;
  --c-neon:#2FF3C8;
  --c-hot:#FF7A2F;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-dark:#0B1526;
  --c-dark-2:#111F36;
  --c-text:#0E1726;
  --c-text-2:#4A5568;
  --c-text-3:#8492A6;
  --c-line:#E3E9F2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(14,23,38,.04),0 10px 24px -14px rgba(14,23,38,.12);
  --shadow-2:0 16px 36px -14px rgba(14,23,38,.22);
  --container:1200px;
  --nav-h:68px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-text);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
::selection{background:rgba(47,243,200,.35);}

.grid-container.site-container{max-width:var(--container);padding-left:40px;padding-right:40px;margin:0 auto;}
.grid-container.site-container::before,.grid-container.site-container::after{display:none;}

/* ===== 阅读进度线 ===== */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:80;
  background:linear-gradient(90deg,var(--c-neon),#63FFD9);box-shadow:0 0 10px rgba(47,243,200,.6);
  transition:width .1s linear;}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-dark);
  border-bottom:1px solid rgba(255,255,255,.06);transition:box-shadow .25s ease,background .25s ease;}
.site-header::before{content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,rgba(47,243,200,0),rgba(47,243,200,.75),rgba(23,80,200,0));}
.site-header.is-stuck{box-shadow:0 14px 30px -18px rgba(0,0,0,.7);background:#09111F;}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);
  transition:height .25s ease;}
.site-header.is-stuck .nav-row{height:60px;}
.brand{display:inline-flex;align-items:baseline;gap:2px;font-size:22px;font-weight:700;letter-spacing:.5px;white-space:nowrap;}
.brand .brand-mk{color:var(--c-neon);}
.brand .brand-txt{color:#fff;}
.brand .brand-sub{font-size:13px;font-weight:400;color:var(--c-text-3);margin-left:6px;letter-spacing:0;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;
  color:rgba(255,255,255,.72);border-radius:8px;transition:color .2s ease,background .2s ease;}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--c-neon);text-shadow:0 0 12px rgba(47,243,200,.55);}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-neon);box-shadow:0 0 12px rgba(47,243,200,.55);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
  padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -12px rgba(23,80,200,.75);}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(23,80,200,.85);}
.btn-neon{background:transparent;color:var(--c-neon);border-color:rgba(47,243,200,.55);}
.btn-neon:hover{background:rgba(47,243,200,.12);box-shadow:0 0 18px rgba(47,243,200,.35);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.16);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(47,243,200,.5);color:var(--c-neon);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:rgba(23,80,200,.35);}
.btn-outline:hover{background:var(--c-primary-light);border-color:var(--c-primary);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;color:#fff;font-size:18px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);}
.nav-toggle:hover{color:var(--c-neon);border-color:rgba(47,243,200,.5);}

/* 移动抽屉 */
.nav-drawer{position:fixed;inset:0;z-index:90;background:var(--c-dark);padding:20px 24px 32px;
  display:flex;flex-direction:column;gap:6px;transform:translateX(100%);opacity:0;pointer-events:none;
  transition:transform .28s ease,opacity .28s ease;overflow-y:auto;}
.nav-drawer.is-open{transform:translateX(0);opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:44px;height:44px;border-radius:10px;color:#fff;font-size:20px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);}
.drawer-link{display:block;padding:16px 4px;font-size:17px;font-weight:500;color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.07);}
.drawer-link.is-active,.drawer-link:hover{color:var(--c-neon);}
.drawer-cta{margin-top:24px;width:100%;}

/* ===== 面包屑与栏目标题 ===== */
.page-head{position:relative;background:var(--c-dark);overflow:hidden;}
.page-head-bg{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.5;filter:saturate(.9);}
.page-head-layer{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,21,38,.96) 8%,rgba(11,21,38,.78) 52%,rgba(14,54,153,.55) 100%);}
.page-head-inner{position:relative;z-index:2;padding:52px 0 46px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--c-neon);}
.breadcrumb .crumb-current{color:rgba(255,255,255,.94);}
.crumb-line{color:rgba(255,255,255,.3);}
.page-kicker{display:inline-flex;align-items:center;gap:8px;margin-top:22px;padding:6px 14px;border-radius:999px;
  font-size:13px;letter-spacing:.5px;color:var(--c-neon);background:rgba(47,243,200,.1);
  border:1px solid rgba(47,243,200,.35);}
.page-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-neon);}
.page-head-title{margin-top:16px;font-size:28px;font-weight:700;color:#fff;letter-spacing:.5px;}

/* ===== 文章头部 ===== */
.article-hero{background:var(--c-bg);padding:48px 0 12px;}
.article-head{max-width:820px;margin:0 auto;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:18px;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.5;}
.badge-primary{background:var(--c-primary-light);color:var(--c-primary-dark);}
.badge-hot{background:rgba(255,122,47,.12);color:var(--c-hot);}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--c-text-3);}
.meta-item i{font-size:13px;color:var(--c-primary);}
.article-title{font-size:clamp(26px,3.4vw,40px);line-height:1.28;font-weight:800;color:var(--c-text);letter-spacing:.2px;}
.article-lead{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--c-text-2);padding-left:16px;
  border-left:3px solid var(--c-neon);}

/* ===== 阅读区 ===== */
.article-section{padding:36px 0 72px;}
.article-layout{display:block;}
.article-body{max-width:800px;margin:0 auto;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:18px;padding:44px 46px 52px;box-shadow:var(--shadow-1);font-size:16px;line-height:1.9;color:#22304A;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{position:relative;font-size:23px;line-height:1.45;font-weight:700;color:var(--c-text);
  margin:2.1em 0 .8em;padding-left:14px;}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:var(--c-primary);}
.article-body h3{font-size:19px;font-weight:700;color:var(--c-text);margin:1.7em 0 .65em;}
.article-body h4{font-size:17px;font-weight:700;color:var(--c-text);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;}
.article-body ul{list-style:square;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.45em 0;}
.article-body ul li::marker{color:var(--c-primary);}
.article-body ol li::marker{color:var(--c-primary);font-weight:700;}
.article-body blockquote{background:var(--c-primary-light);border-left:4px solid var(--c-primary);
  border-radius:0 10px 10px 0;padding:16px 22px;margin:1.5em 0;color:#2B3B57;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-img);margin:1.5em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(23,80,200,.3);transition:color .2s ease,border-color .2s ease;}
.article-body a:hover{color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.article-body strong{font-weight:700;color:var(--c-text);}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;overflow:hidden;border-radius:10px;}
.article-body th{background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 15px;border-bottom:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:#FAFBFE;}
.article-body code{background:#F1F4FA;border-radius:6px;padding:2px 7px;font-size:14px;color:var(--c-primary-dark);}

.empty-state{text-align:center;padding:44px 24px;background:var(--c-primary-light);border-radius:var(--r-card);}
.empty-state i{font-size:34px;color:var(--c-primary);}
.empty-state h2{margin:16px 0 10px;font-size:22px;font-weight:700;color:var(--c-text);}
.empty-state p{color:var(--c-text-2);margin-bottom:22px;}

/* ===== 相关推荐 ===== */
.related{padding:8px 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-title{position:relative;padding-left:14px;font-size:26px;font-weight:700;color:var(--c-text);line-height:1.3;}
.section-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;
  background:var(--c-neon);}
.section-sub{font-size:14px;color:var(--c-text-3);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFDCF5;}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#DDE5F3;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-tag{position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  color:#fff;background:rgba(14,54,153,.85);backdrop-filter:blur(4px);}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--c-text);}
.card-text{font-size:14.5px;color:var(--c-text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);border-top:1px dashed var(--c-line);padding-top:12px;}
.card-foot i{color:var(--c-primary);}

.back-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:38px;}

/* ===== CTA 条带 ===== */
.cta-band{padding:0 0 88px;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--c-dark);border:1px solid rgba(47,243,200,.35);border-radius:18px;
  padding:34px 40px;box-shadow:0 20px 44px -24px rgba(11,21,38,.7);position:relative;overflow:hidden;}
.cta-inner::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,243,200,.16),transparent 70%);}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:8px;}
.cta-copy p{font-size:14.5px;color:rgba(255,255,255,.66);}
.cta-inner .btn{position:relative;z-index:2;flex-shrink:0;}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);position:relative;margin-top:8px;}
.site-footer::before{content:"";display:block;height:1px;width:100%;
  background:linear-gradient(90deg,rgba(47,243,200,0),rgba(47,243,200,.8),rgba(23,80,200,0));}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding:60px 0 40px;}
.footer-brand{display:inline-flex;align-items:baseline;gap:2px;font-size:20px;font-weight:700;color:#fff;}
.footer-brand .brand-mk{color:var(--c-neon);}
.footer-brand .brand-sub{font-size:13px;font-weight:400;color:var(--c-text-3);margin-left:6px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-neon);}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.45);}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .grid-container.site-container{padding-left:28px;padding-right:28px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn-ghost{display:none;}
  .article-body{padding:34px 30px 40px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media screen and (max-width:768px){
  :root{--nav-h:56px;}
  .grid-container.site-container{padding-left:20px;padding-right:20px;}
  .brand{font-size:19px;}
  .brand .brand-sub{display:none;}
  .page-head-inner{padding:36px 0 34px;}
  .page-head-title{font-size:23px;}
  .article-hero{padding:34px 0 8px;}
  .article-title{font-size:25px;}
  .article-body{padding:26px 20px 32px;border-radius:14px;font-size:15.5px;}
  .article-body h2{font-size:20px;}
  .card-grid{grid-template-columns:1fr;}
  .section-title{font-size:22px;}
  .related{padding-bottom:64px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-inner .btn{width:100%;}
  .cta-band{padding-bottom:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 26px;}
  .footer-desc{max-width:none;}
}
@media screen and (max-width:520px){
  .article-lead{font-size:15px;}
  .meta-row{gap:10px;}
  .back-row .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1750C8;
  --c-primary-dark:#0E3699;
  --c-primary-light:#E8EFFC;
  --c-neon:#2FF3C8;
  --c-orange:#FF7A2F;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-dark:#0B1526;
  --c-dark-2:#12203A;
  --c-text:#0E1726;
  --c-muted:#4A5568;
  --c-subtle:#8492A6;
  --c-border:#E3E9F2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,23,38,.04), 0 10px 24px -14px rgba(14,23,38,.12);
  --sh-2:0 16px 36px -14px rgba(14,23,38,.22);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,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(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* 容器 */
.site-container{
  max-width:1200px;
  margin:0 auto;
  padding-left:40px;
  padding-right:40px;
  width:100%;
}
.grid-x.clean-grid{margin-left:0;margin-right:0;}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--c-dark);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(47,243,200,0),rgba(47,243,200,.85),rgba(23,80,200,.6),rgba(47,243,200,0));
  opacity:.9;
}
.site-header.is-scrolled{
  background:#0A1220;
  box-shadow:0 12px 34px -18px rgba(0,0,0,.85);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:68px;
}
.site-header.is-scrolled .header-inner{min-height:60px;}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:2px;
  font-size:22px;
  font-weight:700;
  letter-spacing:.5px;
  color:#fff;
  flex:0 0 auto;
}
.brand:hover{color:#fff;}
.brand-mk{color:var(--c-neon);text-shadow:0 0 14px rgba(47,243,200,.45);}
.brand-sub{
  font-size:12px;
  font-weight:400;
  color:rgba(255,255,255,.55);
  margin-left:8px;
  letter-spacing:1px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:68px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:rgba(255,255,255,.76);
  white-space:nowrap;
}
.nav-link:hover{color:#fff;}
.nav-link.is-active{
  color:var(--c-neon);
  text-shadow:0 0 12px rgba(47,243,200,.55);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:16px;
  height:2px;
  border-radius:2px;
  background:var(--c-neon);
  box-shadow:0 0 12px rgba(47,243,200,.55);
}
.header-actions{display:flex;align-items:center;gap:12px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(23,80,200,.65);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2);}
.btn-neon{
  background:transparent;
  color:var(--c-neon);
  border-color:rgba(47,243,200,.55);
  box-shadow:0 0 0 rgba(47,243,200,0);
}
.btn-neon:hover{background:rgba(47,243,200,.12);color:var(--c-neon);box-shadow:0 0 18px rgba(47,243,200,.28);}
.btn-light{background:#fff;color:var(--c-primary);border-color:var(--c-border);}
.btn-light:hover{background:var(--c-primary-light);color:var(--c-primary-dark);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.25);
  background:transparent;
  color:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.1);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  background:var(--c-dark);
  padding:88px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:4px;
  transform:translateY(-8px);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
  z-index:110;
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:17px;
  font-weight:500;
  color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-drawer a.is-active{color:var(--c-neon);}
.mobile-drawer .drawer-cta{margin-top:24px;border-bottom:none;}

/* 分类横幅 */
.cat-banner{
  position:relative;
  padding:64px 0 72px;
  background:
    linear-gradient(180deg,rgba(232,239,252,.96) 0%,rgba(246,248,252,.98) 72%,var(--c-bg) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.cat-banner::after{
  content:"";
  position:absolute;
  right:-120px;top:-80px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(23,80,200,.14),rgba(23,80,200,0) 68%);
  pointer-events:none;
}
.cat-banner-inner{position:relative;z-index:2;max-width:820px;}
.cat-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--c-border);
  box-shadow:var(--sh-1);
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  letter-spacing:.4px;
}
.cat-tag i{color:var(--c-orange);}
.cat-banner h1{
  margin-top:20px;
  font-size:clamp(30px,3.6vw,46px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.4px;
  color:var(--c-text);
}
.cat-banner h1 em{
  font-style:normal;
  color:var(--c-primary);
}
.cat-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.85;
  color:var(--c-muted);
  max-width:700px;
}
.cat-meta{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  border:1px solid var(--c-border);
  font-size:13px;
  color:var(--c-muted);
  font-variant-numeric:tabular-nums;
}
.pill i{color:var(--c-primary);}

/* 通用区块 */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:4px;height:22px;
  border-radius:2px;
  background:var(--c-neon);
  box-shadow:0 0 10px rgba(47,243,200,.6);
}
.section-head p{
  margin-top:14px;
  color:var(--c-muted);
  font-size:16px;
  max-width:680px;
}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.is-center h2{padding-left:0;}
.section-head.is-center h2::before{display:none;}

/* 卡片网格（大卡 2 列） */
.card-grid.grid-x{margin-left:-12px;margin-right:-12px;}
.card-grid > .cell{padding:0 12px 24px;}
.info-card{
  height:100%;
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.info-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#CFDCF5;
}
.info-card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-primary-light);
}
.info-card-media img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .4s ease;
}
.info-card:hover .info-card-media img{transform:scale(1.04);}
.badge{
  position:absolute;
  left:14px;top:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:rgba(11,21,38,.72);
  color:#fff;
  backdrop-filter:blur(6px);
}
.badge-hot{background:var(--c-orange);color:#fff;}
.badge-neon{background:rgba(47,243,200,.16);color:#0A3B31;border:1px solid rgba(47,243,200,.6);}
.info-card-body{
  padding:24px 26px 26px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.info-card-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.45;
}
.info-card-body p{
  color:var(--c-muted);
  font-size:15px;
  line-height:1.8;
}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-subtle);
  font-variant-numeric:tabular-nums;
}
.card-foot .link{
  font-size:14px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.card-foot .link i{font-size:12px;transition:transform .2s ease;}
.info-card:hover .card-foot .link i{transform:translateX(3px);}

/* 深色节奏面板 */
.pulse-panel{
  background:var(--c-dark);
  border-radius:20px;
  padding:56px 48px;
  color:#fff;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(47,243,200,.18);
}
.pulse-panel::after{
  content:"";
  position:absolute;
  right:-80px;top:-100px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,80,200,.42),rgba(23,80,200,0) 70%);
}
.pulse-head{position:relative;z-index:2;max-width:620px;}
.pulse-head h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  line-height:1.3;
}
.pulse-head p{
  margin-top:14px;
  color:rgba(255,255,255,.68);
  font-size:16px;
}
.pulse-list{
  position:relative;
  z-index:2;
  margin-top:40px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.pulse-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-card);
  padding:24px 22px;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.pulse-item:hover{background:rgba(255,255,255,.09);border-color:rgba(47,243,200,.4);transform:translateY(-3px);}
.pulse-time{
  font-size:15px;
  font-weight:700;
  color:var(--c-neon);
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.pulse-item h3{
  margin-top:10px;
  font-size:17px;
  font-weight:600;
  color:#fff;
}
.pulse-item p{
  margin-top:8px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
}
.pulse-bar{
  margin-top:12px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--c-neon),rgba(47,243,200,.15));
}

/* 查看方式流程 */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  background:var(--c-card);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease;
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.step-num{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;
  font-size:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:18px;font-size:18px;font-weight:600;}
.step-card p{margin-top:10px;font-size:15px;color:var(--c-muted);}

/* FAQ */
.faq-section{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
ul.faq-accordion{
  border:none;
  background:transparent;
  max-width:880px;
  margin:0 auto;
}
ul.faq-accordion li.accordion-item{
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  background:var(--c-bg);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
  position:relative;
}
ul.faq-accordion li.accordion-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--c-neon);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .2s ease;
}
ul.faq-accordion li.accordion-item.is-active{border-color:#CFDCF5;box-shadow:var(--sh-1);background:#fff;}
ul.faq-accordion li.accordion-item.is-active::before{transform:scaleY(1);}
ul.faq-accordion .accordion-title{
  display:block;
  padding:20px 28px;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  background:transparent;
  border:none;
  line-height:1.6;
}
ul.faq-accordion .accordion-title:hover{background:transparent;color:var(--c-primary);}
ul.faq-accordion .accordion-title::before{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--c-primary);
  position:absolute;
  right:26px;
  top:24px;
}
ul.faq-accordion .accordion-item.is-active .accordion-title::before{content:"\f077";}
ul.faq-accordion .accordion-content{
  padding:0 28px 22px;
  border:none;
  background:transparent;
  color:var(--c-muted);
  font-size:15px;
  line-height:1.85;
}

/* CTA 条带 */
.cta-strip{
  background:var(--c-dark);
  border:1px solid rgba(47,243,200,.28);
  border-radius:20px;
  padding:36px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  position:relative;
  overflow:hidden;
}
.cta-strip::after{
  content:"";
  position:absolute;
  left:0;top:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,243,200,0),rgba(47,243,200,.9),rgba(47,243,200,0));
}
.cta-strip h2{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:700;
  color:#fff;
}
.cta-strip p{margin-top:8px;color:rgba(255,255,255,.62);font-size:15px;}

/* 页脚 */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.7);
  position:relative;
  margin-top:0;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(47,243,200,0),rgba(47,243,200,.75),rgba(23,80,200,.6),rgba(47,243,200,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand{
  font-size:22px;
  font-weight:700;
  color:#fff;
  display:flex;
  align-items:baseline;
  gap:2px;
  flex-wrap:wrap;
}
.footer-brand .brand-mk{color:var(--c-neon);}
.footer-brand .brand-sub{
  font-size:12px;
  font-weight:400;
  color:rgba(255,255,255,.5);
  margin-left:8px;
  letter-spacing:1px;
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.footer-col h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.4px;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.65);
}
.footer-col a:hover{color:var(--c-neon);}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.48);
}

/* 响应式 */
@media screen and (max-width:1280px){
  .site-container{padding-left:32px;padding-right:32px;}
}
@media screen and (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:16px;}
  .brand{margin-right:auto;}
  .section{padding:72px 0;}
  .pulse-panel{padding:44px 32px;}
  .pulse-list{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:100%;}
}
@media screen and (max-width:640px){
  .site-container{padding-left:20px;padding-right:20px;}
  .header-inner{min-height:56px;}
  .site-header.is-scrolled .header-inner{min-height:56px;}
  .brand{font-size:20px;}
  .brand-sub{display:none;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .cat-banner{padding:44px 0 52px;}
  .cat-banner h1{font-size:28px;}
  .cat-lead{font-size:15.5px;}
  .card-grid.grid-x{margin-left:-8px;margin-right:-8px;}
  .card-grid > .cell{padding:0 8px 18px;}
  .info-card-body{padding:20px 20px 22px;}
  .info-card-body h3{font-size:17px;}
  .pulse-panel{padding:32px 22px;border-radius:16px;}
  .cta-strip{
    flex-direction:column;
    align-items:flex-start;
    padding:28px 22px;
    border-radius:16px;
  }
  .cta-strip .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  ul.faq-accordion .accordion-title{padding:18px 50px 18px 20px;font-size:16px;}
  ul.faq-accordion .accordion-title::before{right:20px;top:22px;}
  ul.faq-accordion .accordion-content{padding:0 20px 20px;}
}
@media screen and (max-width:380px){
  .cat-banner h1{font-size:25px;}
  .btn{padding:0 16px;font-size:14px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1750C8;
  --c-primary-dark:#0E3699;
  --c-primary-light:#E8EFFC;
  --c-neon:#2FF3C8;
  --c-warn:#FF7A2F;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --dark:#0B1526;
  --dark-2:#111E33;
  --txt:#0E1726;
  --txt-2:#4A5568;
  --txt-3:#8492A6;
  --line:#E3E9F2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,23,38,.04), 0 10px 24px -14px rgba(14,23,38,.12);
  --sh-2:0 16px 36px -14px rgba(14,23,38,.22);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:40px;
  --sp-5:64px;
  --sp-6:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--txt);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-neon);outline-offset:2px;border-radius:6px;}

.site-container{max-width:1200px;margin:0 auto;padding-left:40px;padding-right:40px;width:100%;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-title{position:relative;font-size:30px;font-weight:700;line-height:1.3;letter-spacing:.2px;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-primary);}
.section-title--neon::before{background:var(--c-neon);box-shadow:0 0 12px rgba(47,243,200,.55);}
.section-sub{font-size:15px;color:var(--txt-2);max-width:560px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--dark);
  transition:height .25s ease, box-shadow .25s ease;
}
.header-accent{height:2px;width:100%;background:linear-gradient(90deg,rgba(47,243,200,.9),rgba(23,80,200,.5),rgba(11,21,38,0));}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:66px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{font-size:22px;font-weight:700;letter-spacing:.5px;line-height:1;}
.brand-mk{color:var(--c-neon);}
.brand-txt{color:#FFFFFF;}
.brand-sub{font-size:12px;color:#93A4C0;letter-spacing:1.5px;padding-left:10px;border-left:1px solid rgba(255,255,255,.16);}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:66px;
  padding:0 16px;
  font-size:15px;
  font-weight:500;
  color:#C4D0E4;
}
.nav-link:hover{color:#FFFFFF;}
.nav-link.is-active{color:var(--c-neon);text-shadow:0 0 12px rgba(47,243,200,.55);}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:var(--c-neon);box-shadow:0 0 12px rgba(47,243,200,.65);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  letter-spacing:.3px;
  border:1px solid transparent;
  transition:transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#FFFFFF;box-shadow:0 10px 24px -14px rgba(23,80,200,.85);}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(23,80,200,.95);}
.btn-neon{background:rgba(47,243,200,.08);color:var(--c-neon);border-color:rgba(47,243,200,.55);}
.btn-neon:hover{background:rgba(47,243,200,.18);transform:translateY(-2px);box-shadow:0 0 22px -6px rgba(47,243,200,.6);}
.btn-ghost{background:#FFFFFF;color:var(--c-primary);border-color:var(--line);box-shadow:var(--sh-1);}
.btn-ghost:hover{border-color:var(--c-primary);transform:translateY(-2px);}
.btn-sm{height:38px;font-size:14px;padding:0 16px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#E7EDF7;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.site-header.is-scrolled{box-shadow:0 18px 32px -22px rgba(0,0,0,.85);}
.site-header.is-scrolled .header-inner{height:58px;}
.site-header.is-scrolled .nav-link{height:58px;}

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:70;
  background:var(--dark);
  padding:88px 24px 40px;
  transform:translateX(100%);
  transition:transform .3s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a{
  display:flex;
  align-items:center;
  height:56px;
  font-size:17px;
  color:#D3DDEE;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a.is-active{color:var(--c-neon);}
.mobile-drawer .drawer-close{
  position:absolute;top:20px;right:20px;
  width:44px;height:44px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  color:#E7EDF7;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}

/* ============ BANNER ============ */
.cat-banner{position:relative;overflow:hidden;background:#EEF3FC;}
.cat-banner-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.cat-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(102deg,#FFFFFF 8%,rgba(232,239,252,.92) 46%,rgba(23,80,200,.22) 100%);
}
.cat-banner-inner{position:relative;z-index:2;padding-top:76px;padding-bottom:76px;max-width:860px;}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;
  border-radius:999px;
  background:#FFFFFF;
  border:1px solid rgba(23,80,200,.25);
  color:var(--c-primary);
  font-size:13px;font-weight:600;letter-spacing:.5px;
  box-shadow:var(--sh-1);
}
.cat-badge i{color:var(--c-warn);}
.cat-banner h1{
  margin-top:22px;
  font-size:clamp(30px,4vw,46px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:.4px;
}
.cat-banner p{margin-top:16px;font-size:17px;color:var(--txt-2);max-width:680px;}
.banner-meta{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:28px;font-size:14px;color:var(--txt-3);}
.banner-meta span{display:inline-flex;align-items:center;gap:8px;}
.banner-meta i{color:var(--c-primary);}

/* ============ 说明段 ============ */
.lead-block{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;}
.lead-block p{font-size:16.5px;color:var(--txt-2);}
.lead-block p + p{margin-top:16px;}
.lead-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);}
.lead-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}

/* ============ 步骤流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-card{
  position:relative;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px 22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  overflow:hidden;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,80,200,.35);}
.step-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-line);
  background:linear-gradient(180deg,var(--c-primary),rgba(47,243,200,.85));}
.step-num{
  font-size:13px;font-weight:700;color:var(--c-primary);
  letter-spacing:2px;font-variant-numeric:tabular-nums;
}
.step-card h3{margin-top:12px;font-size:18px;font-weight:600;}
.step-card p{margin-top:10px;font-size:14.5px;color:var(--txt-2);line-height:1.8;}

/* ============ 卡片网格（紧凑三列） ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{
  background:var(--card);
  border:1px solid rgba(227,233,242,.9);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(23,80,200,.3);}
.card-link{display:block;height:100%;}
.card-img{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-light);}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-img img{transform:scale(1.04);}
.card-body{padding:18px 18px 22px;}
.card-body h3{margin-top:10px;font-size:17px;font-weight:600;line-height:1.5;}
.card-body p{margin-top:8px;font-size:14.5px;color:var(--txt-2);line-height:1.8;}
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:12.5px;font-weight:600;letter-spacing:.4px;
}
.tag--warn{background:rgba(255,122,47,.12);color:#C8560F;}

/* ============ 深色信息面板 ============ */
.dark-panel{
  background:var(--dark);
  border:1px solid rgba(47,243,200,.22);
  border-radius:18px;
  padding:52px 48px;
  color:#DCE5F3;
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:48px;
  align-items:center;
}
.dark-panel h2{font-size:27px;font-weight:700;color:#FFFFFF;line-height:1.35;}
.dark-panel .panel-sub{margin-top:14px;font-size:15px;color:#9FB0CA;}
.scene-list{margin-top:26px;display:grid;gap:14px;}
.scene-list li{display:flex;gap:12px;font-size:15px;color:#C9D5E8;line-height:1.75;}
.scene-list i{color:var(--c-neon);margin-top:6px;font-size:12px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.stat-box{
  background:var(--dark-2);
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  padding:22px 20px;
  transition:border-color .25s ease, transform .25s ease;
}
.stat-box:hover{border-color:rgba(47,243,200,.45);transform:translateY(-3px);}
.stat-num{font-size:32px;font-weight:800;color:var(--c-neon);font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-label{margin-top:8px;font-size:13.5px;color:#93A4C0;}
.status-bar{margin-top:22px;height:4px;border-radius:4px;background:rgba(255,255,255,.1);overflow:hidden;}
.status-bar span{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--c-primary),var(--c-neon));}

/* ============ FAQ ============ */
.accordion.faq-accordion{
  background:transparent;
  border:0;
  display:grid;
  gap:14px;
}
.faq-accordion .accordion-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(23,80,200,.3);box-shadow:var(--sh-2);}
.faq-accordion .accordion-title{
  position:relative;
  border:0;
  padding:22px 56px 22px 24px;
  font-size:17px;font-weight:600;color:var(--txt);
  background:#FFFFFF;
  line-height:1.55;
}
.faq-accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--c-primary);
  transition:transform .25s ease,color .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"\f068";color:var(--c-neon);}
.faq-accordion .accordion-item.is-active{border-color:rgba(23,80,200,.35);}
.faq-accordion .accordion-content{
  border:0;
  padding:0 24px 22px 24px;
  background:#FFFFFF;
  font-size:15px;
  color:var(--txt-2);
  line-height:1.85;
}
.faq-accordion .accordion-item.is-active .accordion-content{border-left:3px solid var(--c-neon);padding-left:21px;}

/* ============ CTA 条带 ============ */
.cta-band{
  background:var(--dark);
  border:1px solid rgba(47,243,200,.35);
  border-radius:18px;
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:0 20px 44px -26px rgba(11,21,38,.9);
}
.cta-band h2{font-size:24px;font-weight:700;color:#FFFFFF;line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15px;color:#9FB0CA;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}

/* ============ 表单 ============ */
.field-label{display:block;font-size:14px;font-weight:600;color:var(--txt);margin-bottom:8px;}
.field-input{
  width:100%;height:44px;padding:0 14px;
  border-radius:10px;border:1px solid var(--line);
  background:#FFFFFF;font-size:15px;color:var(--txt);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field-input::placeholder{color:var(--txt-3);}
.field-input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,80,200,.16);outline:none;}
.field-hint{margin-top:8px;font-size:13px;color:var(--txt-3);}
.field-error{color:#C8560F;}

/* ============ FOOTER ============ */
.site-footer{background:var(--dark);color:#93A4C0;margin-top:96px;}
.site-footer::before{content:"";display:block;height:1px;background:linear-gradient(90deg,rgba(47,243,200,.85),rgba(23,80,200,.35),rgba(11,21,38,0));}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;}
.footer-brand{font-size:22px;font-weight:700;color:#FFFFFF;letter-spacing:.5px;}
.footer-brand .brand-mk{color:var(--c-neon);}
.footer-brand .brand-sub{font-size:12px;color:#7E90AD;letter-spacing:1.5px;margin-left:10px;}
.footer-desc{margin-top:16px;font-size:14.5px;color:#8494AE;max-width:340px;line-height:1.85;}
.footer-col h3{font-size:15px;font-weight:600;color:#FFFFFF;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:#93A4C0;}
.footer-col a:hover{color:var(--c-neon);}
.footer-col p{font-size:14.5px;color:#8494AE;line-height:1.85;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7E90AD;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .site-container{padding-left:32px;padding-right:32px;}
  .section{padding:76px 0;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .lead-block{grid-template-columns:1fr;gap:28px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .dark-panel{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .section-title{font-size:24px;}
  .cat-banner-inner{padding-top:56px;padding-bottom:56px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:64px;}
}
@media (max-width:640px){
  .site-container{padding-left:20px;padding-right:20px;}
  .brand-sub{display:none;}
  .step-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .btn{height:46px;font-size:15px;}
  .cat-banner h1{font-size:27px;}
  .cat-banner p{font-size:15.5px;}
  .step-card{padding:22px 18px;}
  .dark-panel{padding:32px 22px;}
}