/* roulang page: index */
:root{
  --bg:#05070D;
  --bg2:#0A101C;
  --bg3:#070B14;
  --panel:rgba(255,255,255,.055);
  --panel-soft:rgba(255,255,255,.03);
  --line:rgba(255,255,255,.10);
  --line-soft:rgba(255,255,255,.06);
  --main:#00E5A0;
  --main-dim:rgba(0,229,160,.14);
  --sub:#2E7DFF;
  --sub-dim:rgba(46,125,255,.12);
  --orange:#FF6A2B;
  --t1:#EDF3FF;
  --t2:#A6B4CC;
  --t3:#6F7E99;
  --r-lg:18px;
  --r-sm:12px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(0,229,160,.5),0 10px 34px rgba(0,229,160,.28);
  --mono:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--main);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.mono{font-family:var(--mono);letter-spacing:.02em;}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:72px;display:flex;align-items:center;
  background:transparent;
  transition:background .32s ease,border-color .32s ease,backdrop-filter .32s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(5,7,13,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;position:relative;
  background:linear-gradient(135deg,var(--main),#0A9C74);
  box-shadow:0 6px 20px rgba(0,229,160,.32);
  overflow:hidden;
}
.brand-mark::before{content:"";position:absolute;left:-6px;top:12px;width:44px;height:3px;background:rgba(5,7,13,.7);transform:rotate(-24deg);}
.brand-mark::after{content:"";position:absolute;left:-6px;top:20px;width:44px;height:3px;background:rgba(5,7,13,.42);transform:rotate(-24deg);}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:10px;font-size:15px;color:var(--t2);
  transition:color .22s ease,background .22s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--main);transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.045);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--main);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active .dot{width:5px;height:5px;border-radius:50%;background:var(--main);display:inline-block;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;font-size:15px;font-weight:600;
  background:linear-gradient(135deg,#00E5A0,#00B57F);color:#04140F;
  box-shadow:var(--glow);transition:transform .2s ease,filter .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.08);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  position:fixed;inset:0;z-index:300;background:rgba(5,7,13,.96);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  padding:88px 24px 120px;display:none;flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-radius:14px;border:1px solid var(--line-soft);
  background:var(--panel-soft);font-size:17px;
}
.mobile-drawer a.is-active{color:var(--main);border-color:rgba(0,229,160,.36);}
.mobile-drawer a i{font-style:normal;color:var(--t3);}
.drawer-close{
  position:absolute;top:18px;right:20px;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel);font-size:20px;line-height:1;color:var(--t2);
}
.drawer-bottom{
  position:fixed;left:0;right:0;bottom:0;padding:16px 24px 24px;display:flex;gap:12px;
  background:linear-gradient(to top,rgba(5,7,13,.98),rgba(5,7,13,.6));
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:12px;font-size:15px;font-weight:600;
  transition:transform .2s ease,filter .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,#00E5A0,#00B77F);color:#04140F;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--panel);border:1px solid var(--line);color:var(--t1);}
.btn-ghost:hover{border-color:rgba(0,229,160,.55);color:var(--main);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.text-link{color:var(--main);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link i{font-style:normal;transition:transform .22s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ===== 通用标签/徽章 ===== */
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:6px;font-size:12px;
  background:var(--sub-dim);color:#8FBAFF;border:1px solid rgba(46,125,255,.24);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;
  font-size:12px;background:var(--main-dim);color:var(--main);border:1px solid rgba(0,229,160,.28);
}
.badge-orange{background:rgba(255,106,43,.14);color:#FF9C6E;border-color:rgba(255,106,43,.3);}
.trust-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.trust-badges span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--t2);
  padding:6px 12px;border-radius:8px;background:var(--panel-soft);border:1px solid var(--line-soft);
  font-family:var(--mono);
}

/* ===== Hero ===== */
.hero{
  position:relative;padding:150px 0 96px;overflow:hidden;
  background-image:linear-gradient(180deg,rgba(5,7,13,.72),rgba(5,7,13,.94)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse at 30% 20%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 20%,#000,transparent 72%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--main);letter-spacing:.06em;margin-bottom:20px;}
.hero-eyebrow::before{content:"";width:24px;height:1px;background:var(--main);display:inline-block;}
.hero h1{font-size:44px;line-height:1.32;font-weight:700;letter-spacing:-.01em;}
.hero h1 em{font-style:normal;color:var(--main);}
.hero-sub{margin-top:20px;font-size:17px;color:var(--t2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-visual{position:relative;}
.hero-shot{
  position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 28px 70px rgba(0,0,0,.6),0 0 0 1px rgba(0,229,160,.18);
  animation:floaty 7s ease-in-out infinite;
}
.hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-float{
  position:absolute;left:-22px;bottom:26px;padding:14px 18px;border-radius:14px;
  background:rgba(10,16,28,.86);border:1px solid var(--line);backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.hero-float b{display:block;font-size:22px;color:var(--main);font-family:var(--mono);}
.hero-float small{font-size:12px;color:var(--t3);}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}
@media (prefers-reduced-motion:reduce){.hero-shot{animation:none;}}

/* ===== 板块 ===== */
.section{padding:104px 0;position:relative;}
.section-alt{background:var(--bg3);}
.section-head{margin-bottom:48px;}
.section-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.section-label{font-size:13px;color:var(--main);letter-spacing:.08em;margin-bottom:12px;font-family:var(--mono);}
.section-head h2{font-size:28px;font-weight:700;line-height:1.4;}
.section-head p{margin-top:12px;color:var(--t2);font-size:15px;max-width:640px;}

/* ===== 价值区（交错） ===== */
.value-row{display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:center;padding:38px 0;border-top:1px solid var(--line-soft);}
.value-row:first-of-type{border-top:0;}
.value-row.rev{grid-template-columns:1fr 360px;}
.value-row.rev .value-media{order:2;}
.value-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.value-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.value-row:hover .value-media img{transform:scale(1.03);}
.value-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:12px;font-family:var(--mono);font-size:18px;
  background:var(--panel);border:1px solid var(--line);color:var(--main);margin-bottom:18px;
}
.value-body h3{font-size:20px;font-weight:600;margin-bottom:12px;}
.value-body p{color:var(--t2);font-size:15.5px;max-width:520px;}
.value-meta{margin-top:16px;font-size:13px;color:var(--t3);font-family:var(--mono);}

/* ===== 截图轮播 ===== */
.shots-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.shot-nav{display:flex;gap:10px;}
.shot-nav button{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--panel);
  color:var(--t2);font-size:18px;display:flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.shot-nav button:hover{border-color:rgba(0,229,160,.5);color:var(--main);transform:translateY(-2px);}
.shot-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.18) transparent;
}
.shot-track::-webkit-scrollbar{height:6px;}
.shot-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px;}
.shot-track::-webkit-scrollbar-track{background:transparent;}
.shot-card{
  flex:0 0 clamp(280px,38%,480px);scroll-snap-align:start;
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--panel);box-shadow:var(--shadow);transition:transform .3s ease,border-color .3s ease;
}
.shot-card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.3);}
.shot-card figure{margin:0;position:relative;}
.shot-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot-name{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:8px;font-size:12.5px;
  background:rgba(5,7,13,.78);border:1px solid var(--line);backdrop-filter:blur(10px);color:var(--t1);
}
.shot-card p{padding:16px 18px;font-size:13.5px;color:var(--t2);border-top:1px solid var(--line-soft);}
.dots{display:flex;gap:8px;justify-content:center;margin-top:6px;}
.dots span{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.18);transition:background .2s ease,width .2s ease;}
.dots span.on{background:var(--main);width:20px;border-radius:99px;}

/* ===== 系统要求 ===== */
.req-list{display:flex;flex-direction:column;gap:14px;}
.req-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:center;
  padding:22px 26px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--panel);box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease;
}
.req-row:hover{transform:translateY(-3px);border-color:rgba(0,229,160,.28);}
.req-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--sub-dim);border:1px solid rgba(46,125,255,.26);font-size:20px;color:#8FBAFF;font-family:var(--mono);
}
.req-body h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.req-kv{display:flex;flex-wrap:wrap;gap:10px 28px;}
.req-kv div{font-size:13.5px;color:var(--t2);display:flex;gap:8px;align-items:baseline;}
.req-kv div b{font-family:var(--mono);color:var(--t1);font-weight:500;}

/* ===== 评价墙 ===== */
.score-bar{display:flex;align-items:baseline;gap:14px;margin-bottom:32px;flex-wrap:wrap;}
.score-bar strong{font-family:var(--mono);font-size:38px;color:var(--main);line-height:1;}
.score-bar span{font-size:14px;color:var(--t3);}
.review-wall{columns:2;column-gap:24px;}
.review-card{
  break-inside:avoid;margin-bottom:24px;padding:24px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);
}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,229,160,.28),rgba(46,125,255,.28));
  font-size:14px;color:var(--t1);flex-shrink:0;font-family:var(--mono);
}
.review-top b{display:block;font-size:14.5px;font-weight:600;}
.review-top small{font-size:12.5px;color:var(--t3);}
.stars{color:var(--orange);letter-spacing:2px;font-size:13px;margin-bottom:10px;}
.review-card p{font-size:14.5px;color:var(--t2);}

/* ===== 下载面板 ===== */
.download-panel{
  display:grid;grid-template-columns:1fr 240px;gap:40px;align-items:center;
  padding:40px;border-radius:22px;border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(0,229,160,.07),rgba(46,125,255,.05)),var(--panel);
  box-shadow:var(--shadow);
}
.download-btns{display:flex;flex-wrap:wrap;gap:12px;}
.qr-box{
  display:flex;flex-direction:column;align-items:center;gap:12px;padding:18px;
  border-radius:16px;border:1px dashed var(--line);background:var(--panel-soft);
}
.qr-box img{width:132px;height:132px;border-radius:12px;object-fit:cover;}
.qr-box small{font-size:12.5px;color:var(--t3);text-align:center;}
.download-note{margin-top:22px;font-size:13px;color:var(--t3);font-family:var(--mono);}

/* ===== CMS 列表 ===== */
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.3);}
.post-card .thumb{overflow:hidden;}
.post-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:17px;font-weight:600;line-height:1.55;}
.post-body .desc{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:12.5px;color:var(--t3);}
.post-meta .time{font-family:var(--mono);}
.post-card.featured{grid-column:span 2;flex-direction:row;}
.post-card.featured .thumb{flex:1 1 52%;}
.post-card.featured .thumb img{height:100%;aspect-ratio:auto;min-height:250px;}
.post-card.featured .post-body{flex:1 1 48%;padding:28px;justify-content:center;}
.post-card.featured h3{font-size:22px;}
.post-card.featured .desc{-webkit-line-clamp:3;font-size:15px;}
.empty-state{
  padding:64px 24px;border-radius:var(--r-lg);border:1px dashed var(--line);
  background:var(--panel-soft);text-align:center;
}
.empty-state b{display:block;font-size:16px;margin-bottom:10px;}
.empty-state p{color:var(--t3);font-size:14px;margin-bottom:18px;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  border-radius:14px;border:1px solid var(--line);background:var(--panel);
  overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:rgba(0,229,160,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:16.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--main);transition:transform .25s ease;font-family:var(--mono);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px;color:var(--t2);font-size:15px;}

/* ===== CTA 条 ===== */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px 40px;border-radius:20px;
  background:linear-gradient(120deg,rgba(0,229,160,.12),rgba(46,125,255,.08)),var(--panel);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.cta-band h2{font-size:24px;font-weight:700;}
.cta-band p{margin-top:8px;color:var(--t2);font-size:14.5px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);padding:72px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-col h4{font-size:14px;color:var(--t1);font-weight:600;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:var(--t2);transition:color .2s ease;}
.footer-col ul a:hover{color:var(--main);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t2);max-width:300px;}
.footer-contact{font-size:14px;color:var(--t2);line-height:2;}
.footer-contact b{font-family:var(--mono);color:var(--t1);font-weight:500;}
.footer-qr{
  margin-top:16px;width:96px;height:96px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:var(--panel-soft);
}
.footer-qr img{width:100%;height:100%;object-fit:cover;}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom .mono{color:var(--t3);}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 28px;}
  .hero h1{font-size:40px;}
}
@media (max-width:992px){
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:120px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{font-size:32px;}
  .section{padding:76px 0;}
  .value-row,.value-row.rev{grid-template-columns:1fr;gap:28px;}
  .value-row.rev .value-media{order:0;}
  .posts-grid{grid-template-columns:repeat(2,1fr);}
  .post-card.featured{grid-column:span 2;flex-direction:column;}
  .post-card.featured .thumb img{min-height:220px;}
  .review-wall{columns:1;}
  .download-panel{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .section-head h2{font-size:23px;}
  .hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .req-row{grid-template-columns:52px 1fr;gap:16px;padding:20px;}
  .req-row .badge{grid-column:2;}
  .req-kv{flex-direction:column;gap:6px;}
  .shot-card{flex:0 0 82%;}
  .posts-grid{grid-template-columns:1fr;}
  .post-card.featured{grid-column:span 1;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .hero-float{left:10px;bottom:10px;padding:10px 14px;}
}
@media (max-width:560px){
  .hero{padding:104px 0 56px;}
  .hero-actions{gap:10px;}
  .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .trust-badges span{font-size:12px;}
  .download-panel{padding:24px;}
  .shot-card{flex:0 0 88%;}
}
@media (max-width:380px){
  .brand-text{font-size:15px;}
  .hero h1{font-size:25px;}
}

/* roulang page: article */
:root{
  --bg:#05070D;
  --bg-2:#0A101C;
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(255,255,255,.085);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#00E5A0;
  --primary-dim:rgba(0,229,160,.16);
  --second:#2E7DFF;
  --second-dim:rgba(46,125,255,.14);
  --accent:#FF6A2B;
  --text:#EDF3FF;
  --text-2:#A6B4CC;
  --text-3:#6F7E99;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:6px;
  --shadow-card:0 18px 50px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(0,229,160,.5),0 10px 34px rgba(0,229,160,.28);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
.mono{font-family:var(--font-mono);letter-spacing:.5px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;position:relative;z-index:1;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:72px;
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .35s ease,border-color .35s ease,backdrop-filter .35s ease;
}
.site-header.is-scrolled{
  background:rgba(5,7,13,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--second));
  position:relative;flex-shrink:0;
  box-shadow:0 0 0 1px rgba(0,229,160,.35),0 8px 22px rgba(0,229,160,.22);
}
.brand-mark::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 38%,rgba(5,7,13,.85) 38%,rgba(5,7,13,.85) 52%,transparent 52%);
  border-radius:10px;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:4px;
  height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;border-radius:2px;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link .dot{
  display:none;
  position:absolute;top:4px;right:6px;width:5px;height:5px;border-radius:50%;
  background:var(--primary);
}
.nav-link.is-active .dot{display:block;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:999px;
  font-size:14px;font-weight:600;color:#04140F;
  background:linear-gradient(120deg,var(--primary),#37F5BE);
  box-shadow:var(--shadow-glow);
  transition:transform .25s ease,filter .25s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.08);}
.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel);
  position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:11px;width:20px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .28s ease,opacity .28s ease;
}
.nav-toggle span{top:20px;}
.nav-toggle span::before{top:-6px;left:0;}
.nav-toggle span::after{top:6px;left:0;}
.nav-toggle.is-open span{transform:rotate(45deg);}
.nav-toggle.is-open span::before{opacity:0;}
.nav-toggle.is-open span::after{transform:rotate(-90deg);top:0;}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;
  padding:150px 0 48px;
  background-image:linear-gradient(180deg,rgba(5,7,13,.72),rgba(5,7,13,.94)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(180deg,transparent,var(--bg));
  pointer-events:none;
}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--text-3);opacity:.6;}
.crumb .now{color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;
  font-size:12px;font-weight:600;letter-spacing:.4px;
  color:#8FBBFF;background:var(--second-dim);
  border:1px solid rgba(46,125,255,.28);
  margin-bottom:18px;
}
.article-title{
  font-size:42px;
  line-height:1.3;
  max-width:960px;
  font-weight:700;
  letter-spacing:.3px;
}
.article-sub{
  margin-top:18px;max-width:760px;color:var(--text-2);font-size:16px;
}
.article-meta{
  margin-top:28px;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.meta-list{display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.meta-list b{color:var(--text-2);font-weight:500;}
.meta-divider{width:1px;height:14px;background:var(--line-strong);}
.share-group{display:flex;align-items:center;gap:10px;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  height:36px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line);background:var(--panel);
  font-size:13px;color:var(--text-2);
  transition:border-color .25s ease,color .25s ease,transform .25s ease;
}
.share-btn:hover{border-color:rgba(0,229,160,.45);color:var(--primary);transform:translateY(-2px);}
.share-btn.is-copied{color:var(--primary);border-color:rgba(0,229,160,.5);}

/* ---------- Article body ---------- */
.article-section{padding:64px 0 24px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;}
.article-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:44px 48px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.article-body{max-width:820px;font-size:16px;line-height:1.8;color:#DCE5F5;}
.article-body>*+*{margin-top:20px;}
.article-body h2{
  position:relative;
  margin-top:44px;
  padding-left:16px;
  font-size:26px;
  line-height:1.4;
  color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--second));
}
.article-body h3{
  margin-top:32px;
  font-size:19px;
  color:var(--text);
}
.article-body p{color:#C9D5E8;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(0,229,160,.4);}
.article-body a:hover{color:#5CF3C4;}
.article-body strong{color:var(--text);font-weight:600;}
.article-body ul,.article-body ol{display:grid;gap:10px;padding-left:2px;}
.article-body ul li{position:relative;padding-left:24px;color:#C9D5E8;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--second));
}
.article-body ol{counter-reset:item;}
.article-body ol li{position:relative;padding-left:36px;color:#C9D5E8;counter-increment:item;}
.article-body ol li::before{
  content:counter(item);
  position:absolute;left:0;top:.18em;
  width:22px;height:22px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-family:var(--font-mono);font-weight:600;color:#04140F;
  background:linear-gradient(135deg,var(--primary),#37F5BE);
}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(255,255,255,.045);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--text-2);font-size:15px;
}
.article-body img{border-radius:14px;margin:26px auto;}
.article-body figure{margin:26px 0;}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
  font-size:14px;border-radius:var(--radius-md);overflow:hidden;
}
.article-body .table-scroll{overflow-x:auto;}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left;}
.article-body thead th{background:rgba(46,125,255,.14);color:var(--text);font-weight:600;}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.035);}
.article-body code{
  font-family:var(--font-mono);font-size:14px;
  background:rgba(0,229,160,.10);
  border:1px solid rgba(0,229,160,.2);
  padding:2px 7px;border-radius:6px;color:#7BF5CC;
}
.empty-state{
  text-align:center;padding:56px 20px;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;
  border:1px solid var(--line-strong);
  background:var(--panel-strong);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;color:var(--primary);
}
.empty-state h2{font-size:22px;}
.empty-state p{color:var(--text-2);font-size:15px;max-width:460px;}

/* ---------- Inline CTA ---------- */
.inline-cta{
  margin-top:40px;
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  justify-content:space-between;
  padding:24px 26px;
  border-radius:var(--radius-lg);
  border:1px solid rgba(0,229,160,.28);
  background:linear-gradient(120deg,rgba(0,229,160,.10),rgba(46,125,255,.09));
}
.inline-cta h3{font-size:18px;}
.inline-cta p{margin-top:6px;font-size:14px;color:var(--text-2);}

/* ---------- Sidebar ---------- */
.side-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.side-card+.side-card{margin-top:20px;}
.side-title{
  font-size:14px;font-weight:600;color:var(--text);
  display:flex;align-items:center;gap:8px;margin-bottom:16px;
}
.side-title::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--primary);}
.side-list{display:grid;gap:4px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;
}
.side-list a:hover{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text);}
.side-list a span{color:var(--text-3);font-size:12px;}
.side-note{font-size:13px;color:var(--text-3);line-height:1.75;}
.side-dl{
  margin-top:16px;display:inline-flex;align-items:center;justify-content:center;
  width:100%;height:42px;border-radius:var(--radius-md);
  background:linear-gradient(120deg,var(--primary),#37F5BE);
  color:#04140F;font-size:14px;font-weight:600;
  box-shadow:0 10px 30px rgba(0,229,160,.25);
  transition:transform .25s ease,filter .25s ease;
}
.side-dl:hover{transform:translateY(-2px);filter:brightness(1.07);}
.side-qr{
  margin-top:18px;display:flex;align-items:center;gap:14px;
  padding:14px;border-radius:var(--radius-md);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
}
.side-qr img{width:72px;height:72px;border-radius:10px;object-fit:cover;}
.side-qr p{font-size:12px;color:var(--text-3);line-height:1.6;}

/* ---------- Related ---------- */
.related-section{padding:78px 0 20px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;
}
.section-head h2{font-size:28px;}
.section-head p{margin-top:8px;color:var(--text-3);font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);font-weight:600;
}
.text-link:hover{gap:11px;}
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  display:flex;flex-direction:column;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.3);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0B1424,#132033);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-tag{
  align-self:flex-start;
  padding:4px 10px;border-radius:var(--radius-sm);
  font-size:12px;font-weight:600;
  color:#8FBBFF;background:var(--second-dim);border:1px solid rgba(46,125,255,.26);
}
.card h3{font-size:18px;line-height:1.5;}
.card p{font-size:14px;color:var(--text-2);}
.card-meta{
  margin-top:auto;padding-top:12px;
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);font-family:var(--font-mono);
}

/* ---------- CTA band ---------- */
.cta-band{padding:88px 0 10px;}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:24px;
  border:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(5,7,13,.92),rgba(10,16,28,.86)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-card);
}
.cta-inner h2{font-size:28px;max-width:520px;}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:560px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;color:#04140F;
  background:linear-gradient(120deg,var(--primary),#37F5BE);
  box-shadow:var(--shadow-glow);
  transition:transform .25s ease,filter .25s ease;
  white-space:nowrap;
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;border-radius:var(--radius-md);
  font-size:15px;font-weight:600;color:var(--text);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.045);
  transition:border-color .25s ease,transform .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-ghost:hover{border-color:rgba(0,229,160,.55);color:var(--primary);transform:translateY(-2px);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,28,.6),rgba(5,7,13,.95));
  padding:64px 0 28px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col{padding-right:24px;border-right:1px solid var(--line);}
.footer-col:last-child{border-right:0;padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.8;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-contact{font-size:14px;color:var(--text-3);line-height:2;}
.footer-contact b{color:var(--text-2);font-weight:500;font-family:var(--font-mono);}
.footer-qr{margin-top:16px;width:96px;height:96px;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.footer-qr img{width:100%;height:100%;object-fit:cover;}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .mono{color:var(--text-3);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:32px;}
}
@media (max-width:992px){
  .container{padding:0 24px;}
  .nav-menu{
    position:fixed;top:60px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:24px;background:rgba(5,7,13,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-top:1px solid var(--line);
    transform:translateX(100%);opacity:0;pointer-events:none;
    transition:transform .3s ease,opacity .3s ease;
    z-index:110;
  }
  .nav-menu.is-open{transform:none;opacity:1;pointer-events:auto;}
  .nav-link{font-size:17px;padding:14px 12px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link::after{display:none;}
  .nav-link .dot{top:22px;right:12px;}
  .site-header{height:60px;}
  .nav-wrap{height:60px;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .article-hero{padding:112px 0 40px;}
  .article-title{font-size:32px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-panel{padding:32px 26px;}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-col{padding-right:0;border-right:0;}
  .cta-inner{padding:40px 30px;}
}
@media (max-width:768px){
  .article-title{font-size:28px;}
  .article-body h2{font-size:22px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:24px;}
  .related-section{padding:60px 0 10px;}
  .cta-band{padding:64px 0 0;}
  .cta-inner h2{font-size:23px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:560px){
  .container{padding:0 20px;}
  body{font-size:15px;line-height:1.85;}
  .article-panel{padding:24px 18px;border-radius:16px;}
  .article-body h2{font-size:20px;}
  .grid-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .meta-list{gap:12px;}
  .meta-divider{display:none;}
  .share-group{width:100%;}
  .share-btn{flex:1;justify-content:center;}
  .cta-inner{padding:32px 20px;border-radius:18px;}
  .cta-actions{width:100%;}
  .btn-primary,.btn-ghost{width:100%;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg:#05070D;
  --bg-2:#0A101C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.03);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#00E5A0;
  --primary-soft:rgba(0,229,160,.12);
  --accent:#2E7DFF;
  --accent-soft:rgba(46,125,255,.14);
  --orange:#FF6A2B;
  --orange-soft:rgba(255,106,43,.14);
  --text:#EDF3FF;
  --text-2:#A6B4CC;
  --text-3:#6F7E99;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-card:0 18px 50px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.06);
  --shadow-glow:0 0 0 1px rgba(0,229,160,.5), 0 10px 34px rgba(0,229,160,.28);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:700;line-height:1.35;letter-spacing:.2px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.4px}
::selection{background:rgba(0,229,160,.3);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:110px 0;position:relative}
.section.band{background:linear-gradient(180deg,rgba(10,16,28,0),rgba(10,16,28,.85) 22%,rgba(10,16,28,.85) 78%,rgba(10,16,28,0))}
.section-head{max-width:760px;margin-bottom:48px}
.section-tag{
  display:inline-block;font-size:12px;line-height:1;padding:6px 11px;border-radius:6px;
  color:var(--primary);background:var(--primary-soft);border:1px solid rgba(0,229,160,.22);
  margin-bottom:18px;letter-spacing:.6px;
}
.section-title{font-size:30px;line-height:1.4}
.section-sub{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(5,7,13,.74);
  border-bottom-color:var(--line);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:8px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary) 0%,#00b37e 45%,var(--accent) 100%);
  box-shadow:0 6px 20px rgba(0,229,160,.35);
}
.brand-mark::after{
  content:"";position:absolute;inset:6px;border-radius:3px;
  background:rgba(5,7,13,.82);
  clip-path:polygon(0 100%,0 62%,38% 62%,100% 0,100% 38%,38% 100%);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.6px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 15px;font-size:15px;color:var(--text-2);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left center;transition:transform .32s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link .dot{
  display:none;position:absolute;left:50%;bottom:-9px;width:4px;height:4px;border-radius:50%;
  background:var(--primary);transform:translateX(-50%);box-shadow:0 0 8px var(--primary);
}
.nav-link.is-active .dot{display:block}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;border-radius:var(--radius-pill);
  font-size:14px;font-weight:600;white-space:nowrap;
  color:#04110C;background:linear-gradient(135deg,var(--primary),#00c98c);
  box-shadow:var(--shadow-glow);transition:transform .25s var(--ease),box-shadow .25s var(--ease),filter .25s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(0,229,160,.7),0 14px 40px rgba(0,229,160,.4)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text);
  transform:translateX(-50%);transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.nav-toggle span{top:20px}
.nav-toggle span::before{content:"";top:-6px}
.nav-toggle span::after{content:"";top:6px}
body.nav-open .nav-toggle span{transform:translateX(-50%) rotate(45deg)}
body.nav-open .nav-toggle span::before{opacity:0}
body.nav-open .nav-toggle span::after{transform:translateX(-50%) rotate(-90deg);top:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease),filter .25s var(--ease);
  cursor:pointer;text-align:center;
}
.btn-primary{
  color:#04110C;background:linear-gradient(135deg,var(--primary),#00c98c);
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 0 1px rgba(0,229,160,.7),0 16px 42px rgba(0,229,160,.38)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:var(--text);background:var(--panel);border:1px solid var(--line-strong);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(0,229,160,.55);color:var(--primary)}

/* ============ 分类 Hero ============ */
.page-hero{position:relative;padding:162px 0 92px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.26;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 12% 8%,rgba(0,229,160,.16),transparent 62%),
    radial-gradient(760px 420px at 88% 30%,rgba(46,125,255,.16),transparent 66%),
    linear-gradient(180deg,rgba(5,7,13,.68) 0%,rgba(5,7,13,.9) 58%,var(--bg) 100%);
}
.hero-grid{
  position:absolute;inset:0;opacity:.35;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(700px 400px at 25% 20%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(700px 400px at 25% 20%,#000 0%,transparent 78%);
}
.hero-inner{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:26px;flex-wrap:wrap}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{opacity:.5}
.crumbs .cur{color:var(--text-2)}
.page-hero h1{font-size:44px;line-height:1.28;max-width:860px}
.hero-sub{margin-top:20px;font-size:18px;color:var(--text-2);max-width:620px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:20px;margin-top:48px}
.metric{
  min-width:180px;padding:18px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(16px);
}
.metric-val{font-size:30px;font-weight:700;color:var(--primary);line-height:1.2}
.metric-key{margin-top:4px;font-size:13px;color:var(--text-3)}

/* ============ 实时状态条与数据卡 ============ */
.live-strip{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.live-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);
  color:var(--orange);background:var(--orange-soft);border:1px solid rgba(255,106,43,.3);
  white-space:nowrap;
}
.live-pill i{width:6px;height:6px;border-radius:50%;background:var(--orange);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.live-text{font-size:14px;color:var(--text-2);flex:1;min-width:220px}
.live-mono{font-size:13px;color:var(--primary)}

.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:26px}
.stat-card{
  padding:24px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.3)}
.stat-val{font-size:34px;font-weight:700;color:var(--text);line-height:1.1}
.stat-val em{font-style:normal;font-size:16px;color:var(--text-2);margin-left:4px}
.stat-key{margin-top:10px;font-size:14px;font-weight:600}
.stat-desc{margin-top:4px;font-size:13px;color:var(--text-3);line-height:1.7}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:96px}
.split.reverse .split-media{order:2}
.split-media{
  border-radius:var(--radius);overflow:hidden;position:relative;
  border:1px solid var(--line);box-shadow:var(--shadow-card);aspect-ratio:16/10;
  background:linear-gradient(135deg,#0C1728,#0A101C);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.split-media:hover img{transform:scale(1.03)}
.split-tag{
  display:inline-block;font-size:12px;padding:5px 10px;border-radius:6px;letter-spacing:.5px;
  color:var(--accent);background:var(--accent-soft);border:1px solid rgba(46,125,255,.24);
  margin-bottom:16px;
}
.split-body h3{font-size:24px;line-height:1.42}
.split-body p{margin-top:16px;color:var(--text-2);line-height:1.85}
.split-list{margin-top:22px;display:grid;gap:12px}
.split-list li{position:relative;padding-left:22px;color:var(--text-2);font-size:15px;line-height:1.8}
.split-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}

/* ============ 编号步骤 ============ */
.steps{display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;
  padding:24px 26px;border-radius:var(--radius);
  background:var(--panel-2);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.3);background:var(--panel)}
.step-no{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:18px;font-weight:700;color:var(--primary);
  background:var(--primary-soft);border:1px solid rgba(0,229,160,.26);
}
.step-body h3{font-size:18px}
.step-body p{margin-top:8px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scene-card{
  border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.3)}
.scene-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0C1728,#0A101C)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease)}
.scene-card:hover .scene-thumb img{transform:scale(1.04)}
.scene-body{padding:22px 24px 26px}
.scene-body h3{font-size:18px}
.scene-body p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8}

/* ============ 规格小卡 ============ */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.spec-card{
  padding:28px 26px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(46,125,255,.4)}
.spec-head{display:flex;align-items:center;gap:12px}
.spec-icon{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);border:1px solid rgba(46,125,255,.3);
  color:var(--accent);font-family:var(--mono);font-size:14px;font-weight:700;
}
.spec-card h3{font-size:18px}
.spec-list{margin-top:20px;display:grid;gap:0}
.spec-list li{
  display:flex;justify-content:space-between;gap:14px;padding:11px 0;
  font-size:14px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.07);
}
.spec-list li:last-child{border-bottom:0}
.spec-list b{font-family:var(--mono);color:var(--text);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;position:relative;
  border:1px solid var(--line-strong);transition:transform .35s var(--ease),border-color .35s var(--ease),background .35s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);transition:background .3s var(--ease);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(135deg);border-color:rgba(0,229,160,.5);background:var(--primary-soft)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease)}
.faq-a p{padding:0 4px 24px;color:var(--text-2);font-size:15px;line-height:1.85;max-width:800px}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 110px}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:40px 44px;border-radius:24px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(0,229,160,.12),rgba(46,125,255,.12));
  border:1px solid rgba(0,229,160,.28);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.cta-box::before{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,160,.22),transparent 70%);
}
.cta-text{position:relative;z-index:1;max-width:640px}
.cta-text h2{font-size:26px;line-height:1.4}
.cta-text p{margin-top:10px;color:var(--text-2);font-size:15px}
.cta-box .btn{position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:70px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:17px}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:300px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary)}
.footer-contact{font-size:14px;color:var(--text-3);line-height:2}
.footer-contact b{color:var(--text-2);font-family:var(--mono);font-weight:600}
.footer-qr{
  width:104px;height:104px;margin-top:16px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
}
.footer-qr img{width:100%;height:100%;object-fit:cover}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .mono{color:var(--text-3)}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 28px}
  .page-hero h1{font-size:40px}
}
@media (max-width:1024px){
  .section{padding:88px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .split{gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:992px){
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;top:60px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;
    margin-left:0;padding:24px 24px 40px;
    background:rgba(5,7,13,.94);
    backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
    border-top:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .3s var(--ease),transform .3s var(--ease);
    overflow-y:auto;
  }
  body.nav-open .nav-menu{opacity:1;transform:none;pointer-events:auto}
  .nav-link{padding:16px 6px;font-size:17px;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-link::after{display:none}
  .nav-link .dot{position:static;display:none;transform:none}
  .nav-link.is-active .dot{display:none}
  .nav-wrap{height:60px}
  .nav-cta{padding:9px 16px;font-size:13px}
  .page-hero{padding:118px 0 72px}
  .page-hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .split{grid-template-columns:1fr;gap:30px}
  .split.reverse .split-media{order:0}
  .spec-grid{grid-template-columns:1fr;gap:18px}
  .scene-grid{grid-template-columns:1fr}
  .step{grid-template-columns:52px 1fr;gap:16px;padding:20px}
  .cta-box{padding:32px 26px}
}
@media (max-width:768px){
  .section{padding:72px 0}
  .section-title{font-size:24px}
  .section-head{margin-bottom:34px}
  .container{padding:0 20px}
  .page-hero h1{font-size:29px}
  .hero-metrics{gap:14px;margin-top:36px}
  .metric{flex:1 1 calc(50% - 14px);min-width:0;padding:16px 18px}
  .metric-val{font-size:24px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:20px}
  .stat-val{font-size:26px}
  .split-body h3{font-size:20px}
  .step-no{width:44px;height:44px;font-size:16px;border-radius:12px}
  .faq-q{font-size:16px;padding:18px 2px}
  .cta-text h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col p{max-width:none}
}
@media (max-width:560px){
  .brand-text{font-size:16px}
  .nav-cta{padding:8px 13px;font-size:12px}
  .page-hero{padding:104px 0 58px}
  .page-hero h1{font-size:26px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .metric{flex:1 1 100%}
  .stat-grid{grid-template-columns:1fr}
  .live-strip{padding:14px 16px}
  .cta-box{flex-direction:column;align-items:flex-start}
  .cta-box .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:380px){
  .container{padding:0 16px}
  .page-hero h1{font-size:23px}
  .section-title{font-size:21px}
}

/* roulang page: category3 */
:root{
  --bg:#05070D;
  --bg-2:#0A101C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.032);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.06);
  --main:#00E5A0;
  --blue:#2E7DFF;
  --orange:#FF6A2B;
  --t1:#EDF3FF;
  --t2:#A6B4CC;
  --t3:#6F7E99;
  --r-lg:18px;
  --r-sm:12px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(0,229,160,.5),0 10px 34px rgba(0,229,160,.28);
  --mono:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,monospace;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0}
::selection{background:rgba(0,229,160,.28)}
:focus-visible{outline:2px solid var(--main);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono);letter-spacing:.02em}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.scrolled{
  background:rgba(6,9,16,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom-color:var(--line);
}
.nav-wrap{display:flex;align-items:center;height:72px;gap:26px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--t1);font-weight:700;font-size:17px;letter-spacing:.2px;
  flex-shrink:0;
}
.brand-mark{
  width:26px;height:26px;border-radius:9px;position:relative;flex-shrink:0;
  background:linear-gradient(135deg,var(--main),var(--blue));
  box-shadow:0 0 18px rgba(0,229,160,.45);
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;left:7px;width:12px;height:2px;border-radius:2px;background:#05070D;
}
.brand-mark::before{top:9px}
.brand-mark::after{top:15px;width:8px}
.brand-text{white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:6px 2px;font-size:15px;color:var(--t2);text-decoration:none;
  transition:color .25s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--main);border-radius:2px;transition:width .28s ease;
}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--main)}
.nav-link.is-active::after{width:100%}
.nav-link .dot{width:5px;height:5px;border-radius:999px;background:var(--main);display:none}
.nav-link.is-active .dot{display:inline-block}
.nav-cta{
  margin-left:8px;padding:10px 20px;border-radius:999px;
  background:var(--main);color:#04170F;font-size:14px;font-weight:700;text-decoration:none;
  box-shadow:var(--glow);transition:transform .22s ease,filter .22s ease;white-space:nowrap;
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel);cursor:pointer;position:relative;margin-left:auto;padding:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--t1);
  transform:translateX(-50%);transition:.25s ease;content:"";
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;isolation:isolate;
  padding:150px 0 76px;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(5,7,13,.74) 0%,rgba(5,7,13,.92) 58%,#05070D 100%);
}
.cat-hero::after{
  content:"";position:absolute;z-index:-1;right:-140px;top:40px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,160,.22),transparent 68%);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:var(--t2);text-decoration:none;transition:color .2s}
.crumbs a:hover{color:var(--main)}
.crumbs span.sep{color:var(--t3);opacity:.6}
.crumbs span.now{color:var(--t1)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(46,125,255,.14);color:#9CC2FF;border:1px solid rgba(46,125,255,.32);
  margin-bottom:20px;
}
.hero-tag i{width:6px;height:6px;border-radius:999px;background:var(--main);display:inline-block}
.cat-hero h1{
  font-size:44px;font-weight:700;letter-spacing:-.5px;max-width:820px;margin-bottom:16px;
}
.cat-hero .lead{font-size:18px;color:var(--t2);max-width:660px;margin-bottom:28px;line-height:1.85}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:12px;font-size:13px;color:var(--t2);
  background:var(--panel);border:1px solid var(--line);
}
.chip b{font-family:var(--mono);color:var(--main);font-weight:600}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-sm{padding:64px 0}
.eyebrow{
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--main);
  font-family:var(--mono);margin-bottom:12px;display:block;
}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:30px;margin-bottom:12px}
.sec-head p{color:var(--t2);margin:0}

/* ============ 双栏文档布局 ============ */
.split{display:grid;grid-template-columns:262px minmax(0,1fr);gap:48px;align-items:start}
.anchor-nav{position:sticky;top:104px;align-self:start}
.anchor-nav .panel-title{
  font-size:13px;color:var(--t3);letter-spacing:.12em;font-family:var(--mono);
  margin:0 0 12px 14px;text-transform:uppercase;
}
.anchor-list{list-style:none;display:flex;flex-direction:column;gap:4px}
.anchor-link{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);
  color:var(--t2);text-decoration:none;font-size:15px;
  border-left:2px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.anchor-link .num{font-family:var(--mono);font-size:12px;color:var(--t3);transition:color .22s}
.anchor-link:hover{background:var(--panel);color:var(--t1)}
.anchor-link.is-active{background:rgba(0,229,160,.10);color:var(--main);border-left-color:var(--main)}
.anchor-link.is-active .num{color:var(--main)}

.doc-sec{
  padding:28px 0 34px;
  border-bottom:1px solid var(--line-2);
  scroll-margin-top:110px;
}
.doc-sec:last-child{border-bottom:0;padding-bottom:8px}
.doc-sec h2{
  position:relative;padding-left:18px;font-size:26px;margin-bottom:16px;letter-spacing:-.2px;
}
.doc-sec h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--main),rgba(0,229,160,.32));
}
.doc-sec h3{font-size:18px;margin:22px 0 10px;color:var(--t1)}
.doc-sec p{color:var(--t2)}
.doc-sec strong{color:var(--t1);font-weight:600}

.tk-list{list-style:none;margin:14px 0 6px}
.tk-list li{position:relative;padding-left:24px;margin-bottom:11px;color:var(--t2);line-height:1.8}
.tk-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;
  background:var(--main);opacity:.85;
}
.num-list{list-style:none;counter-reset:n;margin:16px 0 6px}
.num-list li{
  position:relative;counter-increment:n;padding-left:42px;margin-bottom:14px;color:var(--t2);
}
.num-list li::before{
  content:counter(n,decimal-leading-zero);
  position:absolute;left:0;top:3px;
  font-family:var(--mono);font-size:12px;color:var(--main);
  width:28px;height:24px;line-height:24px;text-align:center;
  border-radius:8px;background:rgba(0,229,160,.12);border:1px solid rgba(0,229,160,.28);
}

.doc-figure{margin:24px 0 8px}
.doc-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;
  border:1px solid var(--line);background:linear-gradient(135deg,#0B1220,#131C2E);
}
.doc-figure figcaption{font-size:13px;color:var(--t3);margin-top:10px}

.note{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;margin:20px 0 6px;
}
.note h4{font-size:16px;margin-bottom:8px;color:var(--t1)}
.note p{margin:0;font-size:14.5px;color:var(--t2)}

.kv{display:grid;gap:10px;margin:18px 0 8px}
.kv-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 18px;border-radius:var(--r-sm);
  background:var(--panel-2);border:1px solid var(--line-2);
}
.kv-row .k{color:var(--t2);font-size:14.5px}
.kv-row .v{font-family:var(--mono);font-size:14px;color:var(--main);white-space:nowrap}
.badge{
  display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;line-height:1.7;
}
.badge.ok{background:rgba(0,229,160,.14);color:var(--main);border:1px solid rgba(0,229,160,.3)}
.badge.warn{background:rgba(255,106,43,.14);color:#FFB189;border:1px solid rgba(255,106,43,.32)}
.badge.info{background:rgba(46,125,255,.14);color:#9CC2FF;border:1px solid rgba(46,125,255,.3)}

/* ============ 安全速查卡 ============ */
.sec-band{background:var(--bg-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.check-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease;
}
.check-card:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.32)}
.check-ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(0,229,160,.12);border:1px solid rgba(0,229,160,.3);
}
.check-ico svg{width:20px;height:20px;stroke:var(--main);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.check-card h3{font-size:17px;margin-bottom:8px}
.check-card p{font-size:14px;color:var(--t2);margin:0}

/* ============ 异常情况卡 ============ */
.risk-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}
.risk-card{
  background:var(--panel-2);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:20px;transition:border-color .25s ease,background .25s ease;
}
.risk-card:hover{border-color:rgba(46,125,255,.34);background:var(--panel)}
.risk-card h4{font-size:16px;margin-bottom:8px;color:var(--t1)}
.risk-card p{margin:0;font-size:14.5px;color:var(--t2)}
.risk-card .tag{font-size:12px;color:var(--orange);font-family:var(--mono);letter-spacing:.06em}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .25s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.18)}
.faq-item.open{border-color:rgba(0,229,160,.32)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  color:var(--t1);font-size:16.5px;font-weight:600;text-align:left;line-height:1.6;
}
.faq-ico{position:relative;width:20px;height:20px;flex-shrink:0}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--main);border-radius:2px;transition:transform .3s ease,opacity .3s ease;
}
.faq-ico::before{left:0;top:9px;width:20px;height:2px}
.faq-ico::after{left:9px;top:0;width:2px;height:20px}
.faq-item.open .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-a-inner{padding:0 22px 20px;color:var(--t2);font-size:15px}
.faq-a-inner p{margin:0}

/* ============ CTA 条 ============ */
.cta-band{
  margin:0 auto;max-width:1200px;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:34px 38px;border-radius:24px;
  background:linear-gradient(120deg,rgba(0,229,160,.14),rgba(46,125,255,.12) 70%,transparent);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.cta-inner h3{font-size:24px;margin-bottom:8px}
.cta-inner p{margin:0;color:var(--t2);font-size:15px;max-width:620px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .22s ease,filter .22s ease,background .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--main);color:#04170F;box-shadow:var(--glow);white-space:nowrap}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--panel);color:var(--t1);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(0,229,160,.5);color:var(--main);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line);margin-top:88px;padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--t1)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--t2);text-decoration:none;font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--main)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-weight:700;color:var(--t1)}
.footer-col p{color:var(--t2);font-size:14px;margin:0;line-height:1.8}
.footer-contact{color:var(--t2);font-size:14px;line-height:2}
.footer-contact b{color:var(--t1);font-family:var(--mono);font-weight:600}
.footer-qr img{
  width:96px;height:96px;object-fit:cover;border-radius:12px;border:1px solid var(--line);
  margin-top:14px;background:linear-gradient(135deg,#0B1220,#131C2E);
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--line);
  color:var(--t3);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .check-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .nav-menu{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:20px;background:rgba(7,11,19,.97);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-top:1px solid var(--line);
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity .26s ease,transform .26s ease;overflow-y:auto;
  }
  .nav-menu.is-open{opacity:1;pointer-events:auto;transform:none}
  .nav-link{font-size:16px;padding:16px 4px;border-bottom:1px solid var(--line-2)}
  .nav-link::after{display:none}
  .nav-link.is-active{padding-left:10px}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .nav-wrap{height:60px;gap:12px}
  .brand{font-size:16px}
  .cat-hero{padding:118px 0 60px}
  .cat-hero h1{font-size:32px}
  .cat-hero .lead{font-size:16px}
  .section{padding:64px 0}
  .section-sm{padding:52px 0}
  .sec-head h2{font-size:24px}
  .split{grid-template-columns:1fr;gap:26px}
  .anchor-nav{
    position:sticky;top:60px;z-index:40;margin:0 -20px;padding:10px 0;
    background:rgba(7,11,19,.94);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .anchor-nav .panel-title{display:none}
  .anchor-list{
    flex-direction:row;gap:8px;overflow-x:auto;padding:0 20px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .anchor-list::-webkit-scrollbar{display:none}
  .anchor-link{
    white-space:nowrap;border:1px solid var(--line);border-radius:999px;
    padding:8px 14px;font-size:14px;flex-shrink:0;
  }
  .anchor-link.is-active{border-color:rgba(0,229,160,.5)}
  .doc-sec{scroll-margin-top:130px}
  .doc-sec h2{font-size:22px}
  .risk-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:28px 24px}
  .cta-inner h3{font-size:21px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .check-grid{grid-template-columns:1fr}
  .cat-hero h1{font-size:28px}
  .kv-row{flex-direction:column;align-items:flex-start;gap:6px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .doc-sec h2{font-size:20px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px}
  .cta-inner h3{font-size:19px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#05070D;
  --bg-2:#0A101C;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.028);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.20);
  --primary:#00E5A0;
  --primary-dim:rgba(0,229,160,.14);
  --secondary:#2E7DFF;
  --secondary-dim:rgba(46,125,255,.14);
  --accent:#FF6A2B;
  --text:#EDF3FF;
  --muted:#A6B4CC;
  --weak:#6F7E99;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:6px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(0,229,160,.5),0 10px 34px rgba(0,229,160,.28);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%,rgba(0,229,160,.10),transparent 60%),
    radial-gradient(760px 460px at 92% 4%,rgba(46,125,255,.12),transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.mono{font-family:var(--mono);letter-spacing:.02em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.section{padding:96px 0;position:relative;z-index:1}
.section--tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--primary);
  border:1px solid rgba(0,229,160,.32);
  background:rgba(0,229,160,.08);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
  font-family:var(--mono);
}
.section-title{font-size:clamp(24px,2.4vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.section-sub{margin-top:14px;color:var(--muted);font-size:16px;max-width:640px}
.section-head.center .section-sub{margin-left:auto;margin-right:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#00E5A0 0%,#00c98d 100%);
  color:#04140F;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-strong);
  color:var(--text);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{border-color:rgba(0,229,160,.55);color:var(--primary);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:15px;transition:gap .25s ease,color .25s ease}
.link-arrow::after{content:"→";transition:transform .25s ease}
.link-arrow:hover{gap:12px}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:6px;
  border:1px solid transparent;font-weight:600;
}
.badge-blue{background:var(--secondary-dim);color:#8FBBFF;border-color:rgba(46,125,255,.28)}
.badge-green{background:var(--primary-dim);color:var(--primary);border-color:rgba(0,229,160,.3)}
.badge-orange{background:rgba(255,106,43,.14);color:#FFA274;border-color:rgba(255,106,43,.3)}
.tag-mono{font-family:var(--mono);font-size:12px;color:var(--weak)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(6,9,16,.78);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.nav-wrap{display:flex;align-items:center;height:100%;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:8px;position:relative;
  background:linear-gradient(135deg,#00E5A0 0%,#2E7DFF 100%);
  box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 8px 24px rgba(0,229,160,.35);
  flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;inset:6px 7px;
  background:repeating-linear-gradient(115deg,rgba(5,7,13,.85) 0 3px,transparent 3px 7px);
  border-radius:3px;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
  transition:color .22s ease,background .22s ease;
}
.nav-link .dot{
  position:absolute;left:50%;bottom:2px;transform:translateX(-50%) scale(0);
  width:5px;height:5px;border-radius:50%;background:var(--primary);
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active .dot{transform:translateX(-50%) scale(1)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 22px;border-radius:999px;
  font-size:14px;font-weight:700;color:#04140F;
  background:linear-gradient(135deg,#00E5A0,#00c98d);
  box-shadow:var(--shadow-glow);
  transition:transform .25s ease,filter .25s ease;
  flex-shrink:0;
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.08)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  position:relative;flex-shrink:0;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--text);
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{top:-6px;left:0;transform:none}
.nav-toggle span::after{top:6px;left:0;transform:none}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:rotate(45deg);top:0}
.nav-toggle.is-open span::after{transform:rotate(-45deg);top:0}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
  padding-top:104px;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--primary)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:32px 0 88px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.24;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,13,.86) 0%,rgba(5,7,13,.90) 45%,var(--bg) 100%);
}
.cat-hero .container{text-align:center}
.cat-hero h1{
  font-size:clamp(28px,3.6vw,46px);
  line-height:1.28;font-weight:700;letter-spacing:-.015em;
  margin:0 auto;max-width:900px;
}
.cat-hero .hero-sub{
  margin:20px auto 0;max-width:660px;
  color:var(--muted);font-size:17px;
}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:34px}
.trust-row{
  display:flex;justify-content:center;flex-wrap:wrap;gap:12px;
  margin-top:34px;
}
.trust-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-size:13px;color:var(--muted);
}
.trust-item b{font-family:var(--mono);font-size:14px;color:var(--text);font-weight:600}

/* ---------- 宽幅截图带 ---------- */
.shot-band{padding:0 0 0;margin-top:-42px;position:relative;z-index:2}
.shot-frame{
  border-radius:24px;overflow:hidden;position:relative;
  border:1px solid var(--line);
  box-shadow:var(--shadow),0 0 0 1px rgba(0,229,160,.18);
  background:linear-gradient(135deg,rgba(0,229,160,.14),rgba(46,125,255,.14));
  aspect-ratio:16/6;
}
.shot-frame img{width:100%;height:100%;object-fit:cover}
.shot-caption{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:16px;font-size:13px;color:var(--weak);
}

/* ---------- 平台切换 ---------- */
.plat-tabs{
  display:flex;gap:8px;justify-content:center;flex-wrap:wrap;
  padding:8px;border-radius:999px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  width:max-content;margin:0 auto 40px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.plat-tab{
  height:42px;padding:0 24px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted);
  transition:color .22s ease,background .22s ease,box-shadow .22s ease;
}
.plat-tab:hover{color:var(--text)}
.plat-tab.is-active{
  color:#04140F;
  background:linear-gradient(135deg,#00E5A0,#00c98d);
  box-shadow:0 8px 24px rgba(0,229,160,.3);
}
.plat-panel{display:none}
.plat-panel.is-active{display:block;animation:fadeUp .45s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.plat-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;
  border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.plat-media{position:relative;min-height:320px;background:linear-gradient(135deg,rgba(0,229,160,.16),rgba(46,125,255,.16))}
.plat-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.plat-body{padding:40px 38px}
.plat-body h3{font-size:20px;font-weight:700;margin-bottom:12px}
.plat-body p{color:var(--muted);font-size:15px;margin-bottom:22px}
.kv-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:26px}
.kv-row{display:flex;justify-content:space-between;gap:16px;padding:12px 16px;background:rgba(10,16,28,.72);font-size:14px}
.kv-row span{color:var(--weak)}
.kv-row b{font-family:var(--mono);font-weight:600;color:var(--text)}
.plat-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}

/* ---------- 安装步骤 ---------- */
.steps{display:grid;gap:16px}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;
  padding:26px 28px;border-radius:var(--radius);
  background:var(--panel-2);border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(0,229,160,.32);background:var(--panel)}
.step-num{
  font-family:var(--mono);font-size:20px;font-weight:700;color:var(--primary);
  width:64px;height:64px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,229,160,.08);border:1px solid rgba(0,229,160,.28);
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{color:var(--muted);font-size:15px}

/* ---------- 系统要求表 ---------- */
.table-scroll{
  overflow-x:auto;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel-2);
  -webkit-overflow-scrolling:touch;
}
table.spec{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
table.spec th,table.spec td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}
table.spec thead th{
  font-size:13px;letter-spacing:.06em;color:var(--weak);font-weight:600;
  background:rgba(255,255,255,.04);
}
table.spec tbody tr:nth-child(even){background:rgba(255,255,255,.022)}
table.spec tbody tr:hover{background:rgba(0,229,160,.05)}
table.spec td:first-child{color:var(--muted);font-weight:600;white-space:nowrap}
table.spec td b{font-family:var(--mono);font-weight:600;color:var(--text)}
table.spec tbody tr:last-child td{border-bottom:0}
.spec-note{margin-top:16px;font-size:13px;color:var(--weak)}

/* ---------- 常见错误清单 ---------- */
.err-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.err-card{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:24px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease;
}
.err-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.35)}
.err-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:700;font-size:15px;
  background:rgba(255,106,43,.12);border:1px solid rgba(255,106,43,.3);
  color:#FFA274;
}
.err-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.err-card p{color:var(--muted);font-size:14px;line-height:1.75}
.err-card .fix{display:block;margin-top:10px;color:var(--primary);font-size:13px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq-item{
  border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--panel-2);overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item.is-open{border-color:rgba(0,229,160,.32);background:var(--panel)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .chev{
  width:22px;height:22px;flex-shrink:0;position:relative;
  transition:transform .3s ease;
}
.faq-q .chev::before,.faq-q .chev::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .chev::before{width:12px;height:2px}
.faq-q .chev::after{width:2px;height:12px;transition:opacity .25s ease}
.faq-item.is-open .chev{transform:rotate(180deg)}
.faq-item.is-open .chev::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .38s ease;
}
.faq-a p{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{padding:0 0 96px}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:38px 40px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(0,229,160,.14),rgba(46,125,255,.12));
  border:1px solid rgba(0,229,160,.24);
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-bottom:8px}
.cta-inner p{color:var(--muted);font-size:15px}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,28,.6),rgba(5,7,13,.95));
  padding:64px 0 28px;position:relative;z-index:1;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;
  padding-bottom:40px;
}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-col p{color:var(--muted);font-size:14px;line-height:1.85}
.footer-col ul{display:grid;gap:12px}
.footer-col ul a{color:var(--muted);font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col ul a:hover{color:var(--primary);transform:translateX(3px)}
.footer-contact{color:var(--muted);font-size:14px;line-height:2}
.footer-contact b{color:var(--text);font-family:var(--mono);font-weight:600}
.footer-qr{margin-top:18px;width:110px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.05)}
.footer-qr img{width:100%;aspect-ratio:1/1;object-fit:cover}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid var(--line);
  color:var(--weak);font-size:13px;
}
.footer-grid > .footer-col + .footer-col{border-left:1px solid var(--line);padding-left:32px}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 28px}
}
@media (max-width:992px){
  .nav-menu{
    position:fixed;top:60px;left:0;right:0;bottom:0;
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    padding:20px 20px 40px;
    background:rgba(6,9,16,.94);
    backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
    border-top:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .28s ease,transform .28s ease;
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{padding:16px 18px;font-size:17px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
  .nav-link .dot{display:none}
  .nav-toggle{display:block}
  .site-header{height:60px;background:rgba(6,9,16,.78);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
  .nav-cta{display:none}
  .breadcrumb{padding-top:92px}
  .section{padding:72px 0}
  .plat-card{grid-template-columns:1fr}
  .plat-media{min-height:220px;position:relative}
  .plat-body{padding:30px 26px}
  .err-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid > .footer-col + .footer-col{border-left:0;padding-left:0}
  .cta-inner{padding:32px 28px}
}
@media (max-width:768px){
  body{font-size:15.5px;line-height:1.85}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-head{margin-bottom:34px}
  .cat-hero{padding:24px 0 64px}
  .cat-hero .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .trust-row{gap:10px}
  .trust-item{flex:1 1 100%;justify-content:center}
  .shot-frame{aspect-ratio:16/9}
  .plat-tabs{width:100%;border-radius:16px;justify-content:stretch}
  .plat-tab{flex:1 1 auto;padding:0 14px;font-size:13.5px}
  .step{grid-template-columns:48px 1fr;gap:16px;padding:22px 20px}
  .step-num{width:48px;height:48px;font-size:16px}
  .faq-q{font-size:15.5px;padding:18px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .brand-text{font-size:15.5px}
  .cat-hero h1{font-size:27px;line-height:1.32}
  .cta-band{padding:0 0 64px}
  .cta-inner{padding:26px 20px}
  .cta-inner .btn{width:100%}
  .err-card{grid-template-columns:1fr;gap:12px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}