/* roulang page: index */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --glass:rgba(16,42,53,.55);
  --primary:#2FE3C4;
  --accent:#6C7BFF;
  --warn:#FFC061;
  --text:#EAF6F8;
  --text-sub:#A9C2CB;
  --text-weak:#6F8892;
  --border:rgba(47,227,196,.18);
  --divider:rgba(255,255,255,.08);
  --r-btn:14px;
  --r-card:18px;
  --r-lg:20px;
  --r-badge:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-btn:0 8px 24px rgba(47,227,196,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Inter","SF Pro Display",system-ui,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;color:var(--text);line-height:1.35;}
p{margin:0;}
a{color:var(--text-sub);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
button,input{font-family:inherit;font-size:inherit;outline:none;}
button{border:none;background:none;cursor:pointer;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.section{padding:104px 0;position:relative;}
.section.alt{background:var(--bg-1);}
.sec-head{margin-bottom:34px;}
.sec-head h2{font-size:26px;}
.sec-head .sub{color:var(--text-sub);font-size:14px;margin-top:10px;}
.sec-head.with-link{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;}

/* ============ 顶部通告条 ============ */
.notice-bar{
  background:linear-gradient(90deg,rgba(47,227,196,.14),rgba(108,123,255,.10));
  border-bottom:1px solid var(--divider);
  font-size:13px;color:var(--text-sub);
}
.notice-bar .inner{display:flex;align-items:center;gap:12px;min-height:40px;}
.notice-bar .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);flex:0 0 auto;}
.notice-bar .ver{color:var(--warn);font-family:var(--font-num);}
.notice-bar .close{margin-left:auto;color:var(--text-weak);padding:4px 8px;border-radius:6px;transition:color .2s var(--ease),background .2s var(--ease);}
.notice-bar .close:hover{color:var(--text);background:rgba(255,255,255,.06);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(6,19,26,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--divider);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.scrolled{background:rgba(6,19,26,.95);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(47,227,196,.9),rgba(108,123,255,.85));
  color:#04181A;font-size:16px;box-shadow:0 6px 18px rgba(47,227,196,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-0.01em;}
.brand:hover .brand-text{color:var(--primary);}

.nav-search{
  position:relative;flex:1 1 38%;max-width:420px;min-width:220px;
}
.nav-search i{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--text-weak);font-size:14px;pointer-events:none;
}
.nav-search input{
  width:100%;height:44px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--divider);
  color:var(--text);padding:0 18px 0 44px;font-size:13.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  caret-color:var(--primary);
}
.nav-search input::placeholder{color:var(--text-weak);}
.nav-search input:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,227,196,.16),inset 0 0 18px rgba(47,227,196,.06);
  background:rgba(47,227,196,.05);
}

.nav-pills{display:flex;align-items:center;gap:6px;flex:0 1 auto;}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 12px;border-radius:999px;
  font-size:13px;color:var(--text-sub);white-space:nowrap;
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.pill:hover{color:var(--primary);border-color:var(--border);background:rgba(47,227,196,.06);}
.pill.active{color:var(--primary);background:rgba(47,227,196,.10);border-color:var(--border);}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}

/* ============ 按钮 ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--primary);color:#03211E;font-weight:700;font-size:14.5px;
  box-shadow:var(--shadow-btn);
  transition:transform .18s var(--ease),filter .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-glow:hover{filter:brightness(1.08);transform:translateY(-2px) scale(1.02);color:#03211E;}
.btn-glow:active{transform:translateY(0);box-shadow:0 4px 14px rgba(47,227,196,.3);}
.btn-glow i{transition:transform .18s var(--ease);}
.btn-glow:hover i{transform:translateX(2px);}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--border);color:var(--primary);
  font-weight:600;font-size:14.5px;
  transition:background .2s var(--ease),border-color .2s var(--ease),transform .18s var(--ease);
}
.btn-ghost:hover{background:rgba(47,227,196,.08);border-color:var(--primary);transform:translateY(-2px);color:var(--primary);}
.btn-ghost.violet{border-color:rgba(108,123,255,.35);color:var(--accent);}
.btn-ghost.violet:hover{background:rgba(108,123,255,.10);border-color:var(--accent);color:var(--accent);}
.btn-sm{height:38px;padding:0 16px;font-size:13px;border-radius:11px;}

.link-more{font-size:13.5px;color:var(--text-sub);border-bottom:1px solid transparent;padding-bottom:2px;}
.link-more:hover{color:var(--primary);border-bottom-color:var(--primary);}

/* ============ 移动端抽屉 ============ */
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--divider);color:var(--text);
  place-items:center;font-size:16px;
}
.menu-toggle:hover{border-color:var(--border);color:var(--primary);}
.mobile-drawer{
  display:none;border-top:1px solid var(--divider);background:var(--bg-1);padding:18px 0 26px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-search{position:relative;margin-bottom:16px;}
.mobile-drawer .drawer-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-weak);}
.mobile-drawer .drawer-search input{
  width:100%;height:48px;border-radius:14px;padding:0 16px 0 42px;
  background:rgba(255,255,255,.04);border:1px solid var(--divider);color:var(--text);font-size:14px;
}
.mobile-drawer .drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,196,.15);}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:12px;font-size:14.5px;color:var(--text-sub);
  border:1px solid transparent;
}
.drawer-links a:hover{background:rgba(47,227,196,.07);color:var(--primary);border-color:var(--border);}
.drawer-links a.active{background:rgba(47,227,196,.10);color:var(--primary);border-color:var(--border);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 88px;
  min-height:660px;
  display:flex;align-items:center;
  background-image:linear-gradient(90deg,rgba(6,19,26,.94) 0%,rgba(6,19,26,.80) 45%,rgba(6,19,26,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.16),transparent 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;position:relative;z-index:2;}
.hero-copy{grid-column:span 6;}
.hero-visual{grid-column:span 6;}

.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:var(--r-badge);
  background:rgba(108,123,255,.12);color:var(--accent);
  font-size:12.5px;margin-bottom:20px;
}
.hero h1{font-size:38px;line-height:1.3;margin-bottom:18px;}
.hero h1 .hl{color:var(--primary);}
.hero .lead{font-size:16px;color:var(--text-sub);max-width:520px;margin-bottom:26px;}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px;}

.trust-row{display:flex;gap:10px;flex-wrap:wrap;}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.04);border:1px solid var(--divider);
  font-size:12px;color:var(--text-sub);
}
.trust-chip b{color:var(--warn);font-family:var(--font-num);font-weight:700;}

.hero-media{
  position:relative;border-radius:var(--r-lg);padding:14px;
  background:var(--glass);
  border:1px solid var(--border);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
}
.hero-media::before{
  content:"";position:absolute;inset:-40px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.14),transparent 62%);
  z-index:-1;
}
.hero-media img{border-radius:14px;border:1px solid var(--divider);width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-media .float-badge{
  position:absolute;left:-14px;bottom:26px;
  background:rgba(11,29,38,.92);border:1px solid var(--border);border-radius:12px;
  padding:10px 14px;font-size:12px;color:var(--text-sub);
  box-shadow:var(--shadow-card);
}
.hero-media .float-badge b{color:var(--primary);font-family:var(--font-num);font-size:14px;}

/* ============ 功能要点条 ============ */
.point-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:38px;}
.point-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);border:1px solid var(--divider);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.point-item:hover{border-color:var(--border);transform:translateY(-2px);}
.point-item .pi-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(47,227,196,.10);color:var(--primary);font-size:16px;
}
.point-item .pi-icon.vio{background:rgba(108,123,255,.12);color:var(--accent);}
.point-item .pi-icon.amb{background:rgba(255,192,97,.12);color:var(--warn);}
.point-item h3{font-size:14.5px;margin-bottom:5px;}
.point-item p{font-size:13px;color:var(--text-sub);line-height:1.7;}

/* ============ 截图轮播 ============ */
.shot-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:16px;flex-wrap:wrap;}
.shot-head h3{font-size:16px;color:var(--text-sub);font-weight:600;}
.shot-arrows{display:flex;gap:8px;}
.shot-arrows button{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid var(--divider);color:var(--text-sub);font-size:13px;
  transition:all .2s var(--ease);
}
.shot-arrows button:hover{border-color:var(--primary);color:var(--primary);background:rgba(47,227,196,.07);}
.shot-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:16px;scrollbar-width:none;
}
.shot-track::-webkit-scrollbar{display:none;}
.shot-card{
  flex:0 0 calc(62.5% - 10px);scroll-snap-align:start;
  border-radius:var(--r-card);overflow:hidden;
  background:rgba(255,255,255,.03);border:1px solid var(--divider);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.shot-card:hover{border-color:rgba(47,227,196,.4);transform:translateY(-2px);}
.shot-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.shot-card .sc-body{padding:16px 18px 18px;}
.shot-card .sc-body h4{font-size:14.5px;margin-bottom:6px;}
.shot-card .sc-body p{font-size:13px;color:var(--text-sub);}
.shot-dots{display:flex;gap:8px;margin-top:16px;}
.shot-dot{
  width:36px;height:4px;border-radius:99px;background:rgba(255,255,255,.14);
  transition:background .24s var(--ease),width .24s var(--ease);
}
.shot-dot.active{background:var(--primary);width:56px;box-shadow:0 0 12px rgba(47,227,196,.4);}

/* ============ 系统要求规格卡 ============ */
.spec-list{display:flex;flex-direction:column;gap:12px;}
.spec-row{
  display:grid;grid-template-columns:56px 1.2fr 1fr 1fr 1fr;
  align-items:center;gap:16px;min-height:72px;
  padding:14px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--divider);
  backdrop-filter:blur(16px);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.spec-row:hover{border-color:var(--border);transform:translateY(-2px);}
.spec-row .sp-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(47,227,196,.10);color:var(--primary);font-size:19px;
}
.spec-row .sp-name{font-size:15px;font-weight:700;}
.spec-row .sp-name span{display:block;font-size:12px;color:var(--text-weak);font-weight:400;margin-top:3px;}
.spec-field{font-size:13px;color:var(--text-sub);}
.spec-field em{display:block;font-style:normal;font-size:11.5px;color:var(--text-weak);margin-bottom:2px;}
.spec-field b{color:var(--warn);font-family:var(--font-num);font-size:14px;font-weight:700;}
.spec-note{
  margin-top:24px;padding:20px 22px;border-radius:var(--r-card);
  background:rgba(108,123,255,.06);border:1px solid rgba(108,123,255,.2);
}
.spec-note h3{font-size:14.5px;margin-bottom:12px;color:var(--text);}
.spec-note ul{display:flex;flex-direction:column;gap:9px;}
.spec-note li{position:relative;padding-left:18px;font-size:13.5px;color:var(--text-sub);}
.spec-note li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--accent);
}

/* ============ 评价墙 ============ */
.quote-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-col{display:flex;flex-direction:column;gap:22px;}
.quote-col:nth-child(2){margin-top:32px;}
.quote-col:nth-child(3){margin-top:16px;}
.quote-card{
  position:relative;padding:24px 22px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--divider);backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.quote-card:hover{border-color:var(--border);transform:translateY(-2px);}
.quote-card::before{
  content:"\201C";position:absolute;left:18px;top:6px;
  font-size:44px;line-height:1;color:rgba(47,227,196,.22);font-family:Georgia,serif;
}
.quote-card blockquote{margin:0 0 16px;font-size:13.5px;color:var(--text-sub);line-height:1.85;position:relative;z-index:1;}
.quote-card footer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--divider);padding-top:14px;}
.quote-card .avatar{
  width:48px;height:48px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-size:15px;font-weight:700;color:#03211E;
  background:linear-gradient(140deg,var(--primary),var(--accent));
}
.quote-card .who{font-size:13.5px;font-weight:700;color:var(--text);}
.quote-card .role{font-size:12px;color:var(--text-weak);}
.stars{margin-left:auto;color:var(--warn);font-size:12px;letter-spacing:2px;}

/* ============ 下载按钮组 ============ */
.download-box{
  padding:48px 40px;border-radius:var(--r-lg);
  background-image:linear-gradient(90deg,rgba(11,29,38,.94),rgba(11,29,38,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
}
.download-box h2{font-size:24px;margin-bottom:12px;}
.download-box .desc{font-size:14px;color:var(--text-sub);max-width:640px;margin-bottom:28px;}
.dl-grid{display:flex;gap:20px;flex-wrap:wrap;}
.dl-item{display:flex;flex-direction:column;gap:10px;min-width:200px;}
.dl-item .meta{font-size:12px;color:var(--text-weak);font-family:var(--font-num);}
.dl-item .meta b{color:var(--warn);}
.download-foot{margin-top:26px;padding-top:20px;border-top:1px solid var(--divider);font-size:12.5px;color:var(--text-weak);}
.download-foot a{color:var(--text-sub);border-bottom:1px solid var(--divider);}
.download-foot a:hover{color:var(--primary);border-bottom-color:var(--primary);}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;}
.news-feature{
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--divider);backdrop-filter:blur(16px);
  transition:border-color .24s var(--ease),transform .24s var(--ease);
  display:flex;flex-direction:column;
}
.news-feature:hover{border-color:rgba(47,227,196,.4);transform:translateY(-2px);}
.news-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-feature .nf-body{padding:22px 24px 24px;}
.news-feature h3{font-size:19px;margin:10px 0 12px;line-height:1.45;}
.news-feature p{font-size:13.5px;color:var(--text-sub);margin-bottom:18px;}
.news-mini{display:flex;flex-direction:column;gap:12px;}
.news-item{
  display:block;padding:16px 18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);border:1px solid var(--divider);
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.news-item:hover{border-color:var(--border);background:rgba(47,227,196,.05);transform:translateY(-2px);}
.news-item h3{font-size:14.5px;margin:8px 0 6px;line-height:1.5;}
.news-item p{font-size:12.5px;color:var(--text-sub);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-weak);font-family:var(--font-num);}

.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:12px;line-height:1;
}
.tag-violet{background:rgba(108,123,255,.12);color:var(--accent);}
.tag-primary{background:rgba(47,227,196,.12);color:var(--primary);}
.tag-amber{background:rgba(255,192,97,.12);color:var(--warn);}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.02);border:1px dashed var(--divider);
  text-align:center;
}
.empty-state i{font-size:30px;color:rgba(47,227,196,.4);}
.empty-state p{font-size:13.5px;color:var(--text-sub);}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--divider);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:15.5px;font-weight:700;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-q i{font-size:13px;color:var(--text-weak);transition:transform .24s var(--ease),color .24s var(--ease);flex:0 0 auto;}
.faq-item.open .faq-q{color:var(--primary);}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease),opacity .3s var(--ease);opacity:0;}
.faq-item.open .faq-a{opacity:1;}
.faq-a p{padding:0 4px 22px;font-size:13.8px;color:var(--text-sub);max-width:760px;}

/* ============ 底部 CTA ============ */
.cta-band{
  padding:64px 44px;border-radius:var(--r-lg);text-align:center;
  background-image:linear-gradient(135deg,rgba(11,29,38,.95),rgba(6,19,26,.86)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--border);
}
.cta-band h2{font-size:25px;margin-bottom:14px;}
.cta-band p{font-size:14px;color:var(--text-sub);max-width:600px;margin:0 auto 28px;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--divider);padding:64px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:0;}
.footer-col{padding:0 28px;border-right:1px solid var(--divider);}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{border-right:none;padding-right:0;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:14px;}
.footer-brand span{font-size:16px;font-weight:800;color:var(--text);}
.footer-col p{font-size:13px;color:var(--text-sub);max-width:290px;}
.footer-col h4{font-size:13.5px;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13px;color:var(--text-sub);}
.footer-links a:hover{color:var(--primary);}
.footer-contact{font-size:13px;color:var(--text-sub);display:flex;flex-direction:column;gap:10px;}
.footer-contact .row-line{display:flex;gap:8px;align-items:flex-start;}
.footer-contact i{color:var(--primary);font-size:13px;margin-top:5px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--divider);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-weak);
}
.footer-bottom a{color:var(--text-weak);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-pills .pill:nth-child(n+5){display:none;}
  .header-inner{gap:14px;}
}
@media (max-width:991px){
  .section{padding:76px 0;}
  .hero{min-height:auto;padding:56px 0 64px;}
  .hero-grid{gap:32px;}
  .hero-copy,.hero-visual{grid-column:span 12;}
  .hero h1{font-size:31px;}
  .nav-search{max-width:280px;flex:1 1 30%;}
  .point-list{grid-template-columns:1fr;}
  .shot-card{flex:0 0 calc(84% - 10px);}
  .quote-wall{grid-template-columns:repeat(2,1fr);}
  .quote-col:nth-child(3){display:none;}
  .news-grid{grid-template-columns:1fr;}
  .spec-row{grid-template-columns:48px 1fr 1fr;row-gap:12px;}
  .spec-row .sp-icon{width:40px;height:40px;font-size:17px;}
  .spec-field:nth-of-type(3){display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;row-gap:36px;}
  .footer-col{border-right:none;padding:0;}
  .download-box{padding:36px 26px;}
  .cta-band{padding:48px 26px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .nav-pills,.header-actions .btn-glow{display:none;}
  .menu-toggle{display:grid;}
  .header-inner{min-height:60px;}
  .nav-search{display:none;}
  .brand-text{font-size:16px;}
  .hero h1{font-size:26px;}
  .hero .lead{font-size:14.5px;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%;}
  .quote-wall{grid-template-columns:1fr;}
  .quote-col:nth-child(2){margin-top:0;}
  .shot-card{flex:0 0 calc(94% - 10px);}
  .shot-arrows{display:none;}
  .spec-row{grid-template-columns:44px 1fr;padding:16px;row-gap:10px;}
  .spec-row .spec-field{grid-column:2;}
  .spec-field:nth-of-type(3){display:block;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .dl-grid{flex-direction:column;}
  .dl-item{min-width:100%;}
  .dl-item .btn-glow,.dl-item .btn-ghost{width:100%;}
  .section{padding:58px 0;}
  .sec-head h2{font-size:22px;}
  .download-box h2{font-size:21px;}
  .cta-band h2{font-size:21px;}
}
@media (max-width:520px){
  .hero h1{font-size:24px;}
  .trust-chip{font-size:11.5px;}
  .notice-bar .inner{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --glass:rgba(16,42,53,.55);
  --primary:#2FE3C4;
  --accent:#6C7BFF;
  --warn:#FFC061;
  --text:#EAF6F8;
  --text-2:#A9C2CB;
  --text-3:#6F8892;
  --border:rgba(47,227,196,.18);
  --divider:rgba(255,255,255,.08);
  --radius-btn:14px;
  --radius-card:18px;
  --radius-img:20px;
  --radius-badge:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-btn:0 8px 24px rgba(47,227,196,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--primary)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
::selection{background:rgba(47,227,196,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部通告条 ---------- */
.notice-bar{
  background:linear-gradient(90deg,rgba(47,227,196,.12),rgba(108,123,255,.10));
  border-bottom:1px solid var(--divider);
  font-size:13px;
  color:var(--text-2);
}
.notice-inner{display:flex;align-items:center;gap:10px;min-height:40px}
.notice-inner .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);flex:0 0 auto}
.notice-inner span.txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice-close{margin-left:auto;background:none;border:0;color:var(--text-3);font-size:14px;cursor:pointer;padding:4px 6px;border-radius:8px}
.notice-close:hover{color:var(--text)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(6,19,26,.72);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.scrolled{
  background:rgba(6,19,26,.92);
  backdrop-filter:blur(18px);
  border-bottom-color:var(--border);
  box-shadow:0 12px 30px rgba(0,0,0,.35);
}
.nav-wrap{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#0F8F81);
  color:#04211C;font-size:16px;
  box-shadow:0 6px 18px rgba(47,227,196,.32);
}
.brand-name{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.nav-search{position:relative;flex:0 1 38%;min-width:170px}
.nav-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;pointer-events:none}
.nav-search input{
  width:100%;height:44px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  color:var(--text);font-size:14px;
  padding:0 18px 0 42px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  border-color:var(--primary);
  background:rgba(47,227,196,.06);
  box-shadow:0 0 0 3px rgba(47,227,196,.16),inset 0 0 12px rgba(47,227,196,.08);
  caret-color:var(--primary);
}
.nav-pills{display:flex;align-items:center;gap:6px;margin-left:auto}
.pill{
  font-size:13px;color:var(--text-2);
  padding:8px 12px;border-radius:999px;
  border:1px solid transparent;white-space:nowrap;
  transition:all .2s var(--ease);
}
.pill:hover{color:var(--primary);background:rgba(47,227,196,.08);border-color:var(--border)}
.pill.active{color:var(--primary);background:rgba(47,227,196,.10);border-color:var(--border)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--radius-btn);
  background:var(--primary);color:#04211C;font-weight:700;font-size:14px;
  box-shadow:var(--shadow-btn);flex:0 0 auto;
  transition:all .2s var(--ease);
}
.nav-cta:hover{color:#04211C;filter:brightness(1.08);transform:translateY(-2px)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  color:var(--text);font-size:16px;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--divider);
  background:rgba(6,19,26,.98);backdrop-filter:blur(18px);
  padding:16px 0 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-search{flex:none;width:100%;min-width:0}
.mobile-drawer .nav-search input{height:48px;border-radius:14px}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-top:14px}
.drawer-list a{
  padding:12px 14px;border-radius:12px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-list a:hover,.drawer-list a.active{color:var(--primary);background:rgba(47,227,196,.08);border-color:var(--border)}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:16px;height:48px;border-radius:14px;
  background:var(--primary);color:#04211C;font-weight:700;
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:24px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs li::after{content:"/";margin-left:8px;color:var(--text-3);opacity:.6}
.crumbs li:last-child::after{content:""}
.crumbs a:hover{color:var(--primary)}
.crumbs .current{color:var(--primary)}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0}
.section.tight{padding-top:72px}
.section.bg-alt{background:var(--bg-1)}
.section-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--accent);
  background:rgba(108,123,255,.12);border:1px solid rgba(108,123,255,.22);
  padding:5px 12px;border-radius:var(--radius-badge);margin-bottom:14px;
}
.section-head h2{font-size:27px;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px}
.divider-line{height:1px;background:linear-gradient(90deg,transparent,var(--divider),transparent)}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:10px;
  height:50px;padding:0 26px;border-radius:var(--radius-btn);
  background:var(--primary);color:#04211C;font-weight:700;font-size:15px;
  border:1px solid transparent;box-shadow:var(--shadow-btn);
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-main i{transition:transform .2s var(--ease)}
.btn-main:hover{color:#04211C;filter:brightness(1.08);transform:translateY(-2px)}
.btn-main:hover i{transform:translateX(2px)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  height:50px;padding:0 24px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--border);color:var(--primary);
  font-weight:600;font-size:15px;transition:all .2s var(--ease);cursor:pointer;
}
.btn-ghost:hover{background:rgba(47,227,196,.08);color:var(--primary);transform:translateY(-2px)}
.btn-ghost.accent{border-color:rgba(108,123,255,.35);color:#B7BFFF}
.btn-ghost.accent:hover{background:rgba(108,123,255,.10);color:#CDD3FF}
.link-more{color:var(--text-2);font-size:14px;border-bottom:1px solid transparent}
.link-more:hover{color:var(--primary);border-bottom-color:var(--primary)}

/* ---------- Hero：左文右图 ---------- */
.hero{position:relative;padding:72px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,19,26,.97) 0%,rgba(6,19,26,.86) 48%,rgba(6,19,26,.70) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:center}
.hero h1{font-size:38px;margin-bottom:18px}
.hero h1 .hl{color:var(--primary)}
.hero-sub{color:var(--text-2);font-size:16px;max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.trust-row{display:flex;gap:10px;flex-wrap:wrap}
.trust-chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--text-2);
  background:rgba(255,255,255,.04);border:1px solid var(--divider);
  padding:6px 12px;border-radius:var(--radius-badge);
}
.trust-chip b{color:var(--warn);font-weight:700}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";position:absolute;left:50%;top:50%;
  width:420px;height:420px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(47,227,196,.18),transparent 68%);
  pointer-events:none;
}
.glass-panel{
  position:relative;border-radius:var(--radius-img);
  background:var(--glass);backdrop-filter:blur(18px);
  border:1px solid var(--border);padding:14px;
  box-shadow:var(--shadow-card);
}
.glass-panel img{border-radius:14px;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--divider)}
.panel-tag{
  position:absolute;left:26px;bottom:26px;
  background:rgba(6,19,26,.78);backdrop-filter:blur(10px);
  border:1px solid var(--border);border-radius:var(--radius-badge);
  font-size:12px;color:var(--text-2);padding:7px 12px;
}
.panel-tag b{color:var(--warn)}

/* ---------- 要点清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 24px}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius-card);background:rgba(255,255,255,.03);border:1px solid var(--divider);transition:all .2s var(--ease)}
.check-item:hover{border-color:var(--border);transform:translateY(-2px);background:rgba(47,227,196,.04)}
.check-item i{color:var(--primary);font-size:15px;margin-top:5px;flex:0 0 auto}
.check-item h3{font-size:15px;margin-bottom:4px}
.check-item p{font-size:13px;color:var(--text-2)}

/* ---------- 图文卡 ---------- */
.card-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.media-card{
  background:var(--glass);border:1px solid var(--divider);border-radius:var(--radius-card);
  overflow:hidden;backdrop-filter:blur(16px);box-shadow:var(--shadow-card);
  transition:all .24s var(--ease);display:flex;flex-direction:column;
}
.media-card:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.40)}
.media-card .thumb{overflow:hidden;position:relative}
.media-card .thumb img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .3s var(--ease)}
.media-card:hover .thumb img{transform:scale(1.03)}
.media-card .thumb .tag{
  position:absolute;left:12px;top:12px;
  font-size:12px;padding:5px 10px;border-radius:var(--radius-badge);
  background:rgba(108,123,255,.18);color:#C3C9FF;border:1px solid rgba(108,123,255,.28);
  backdrop-filter:blur(8px);
}
.media-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.media-card h3{font-size:17px}
.media-card p{font-size:14px;color:var(--text-2);flex:1}
.meta-line{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3);border-top:1px solid var(--divider);padding-top:12px;margin-top:4px}
.meta-line b{color:var(--warn);font-weight:700}

/* ---------- 步骤条 ---------- */
.step-list{display:flex;flex-direction:column;gap:0;border-left:1px solid var(--border);margin-left:10px;padding-left:26px}
.step{position:relative;padding:0 0 30px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-33px;top:6px;width:13px;height:13px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(47,227,196,.10);
}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- 评价 ---------- */
.quote-card{
  margin:0;background:var(--glass);border:1px solid var(--divider);
  border-radius:var(--radius-card);padding:26px 26px 20px;backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.quote-card::before{
  content:"\201C";position:absolute;left:18px;top:2px;
  font-size:64px;color:rgba(47,227,196,.16);font-family:Georgia,serif;line-height:1;
}
.quote-card p{font-size:14px;color:var(--text-2);margin:16px 0 20px}
.quote-card footer{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-3);border-top:1px solid var(--divider);padding-top:16px}
.avatar{
  width:48px;height:48px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-weight:700;font-size:15px;color:#04211C;
  background:linear-gradient(135deg,var(--primary),#0F8F81);
}
.quote-card footer .who{display:block;color:var(--text);font-size:14px;font-weight:700}
.quote-card footer .role{display:block;color:var(--text-3)}
.quote-card footer .stars{margin-left:auto;color:var(--warn);letter-spacing:2px}

/* ---------- 小结 ---------- */
.summary-box{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:30px 32px;backdrop-filter:blur(16px);box-shadow:var(--shadow-card);
  display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
}
.summary-box h3{font-size:19px;margin-bottom:10px}
.summary-box p{font-size:14px;color:var(--text-2);max-width:720px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--divider)}
.faq-item{border-bottom:1px solid var(--divider)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;color:var(--text);
  font-size:16px;font-weight:700;padding:20px 44px 20px 0;position:relative;cursor:pointer;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q i{position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--primary);font-size:14px;transition:transform .24s var(--ease)}
.faq-q[aria-expanded="true"] i{transform:translateY(-50%) rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease),opacity .28s var(--ease);opacity:0}
.faq-a.open{opacity:1}
.faq-a p{font-size:14px;color:var(--text-2);padding:0 40px 22px 0}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--border);padding:44px 40px;
  background:linear-gradient(120deg,rgba(47,227,196,.10),rgba(108,123,255,.10));
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(47,227,196,.16),transparent 70%);
}
.cta-band h2{font-size:24px;margin-bottom:10px;position:relative}
.cta-band p{font-size:14px;color:var(--text-2);max-width:660px;position:relative}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--divider);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-grid h4{font-size:14px;margin-bottom:16px;color:var(--text)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:14px}
.footer-brand span{font-weight:800;font-size:16px}
.footer-desc{font-size:13px;color:var(--text-3);line-height:1.9;max-width:280px}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:13px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-info{font-size:13px;color:var(--text-2);display:flex;flex-direction:column;gap:11px}
.footer-info b{color:var(--warn);font-weight:700}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--divider);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{flex:0 1 30%}
  .nav-pills .pill:nth-child(5){display:none}
  .hero h1{font-size:34px}
}
@media (max-width:991px){
  .nav-pills{display:none}
  .nav-search{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:31px}
  .hero{padding:52px 0 64px}
  .section{padding:72px 0}
  .card-3{grid-template-columns:1fr 1fr}
  .check-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .summary-box{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  body{font-size:15px}
  .nav-wrap{height:60px;gap:12px}
  .hero h1{font-size:27px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center;height:48px}
  .section{padding:56px 0}
  .section-head h2{font-size:22px}
  .card-3{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .cta-band h2{font-size:20px}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;justify-content:center}
  .summary-box{padding:24px 20px}
  .quote-card footer{flex-wrap:wrap}
  .quote-card footer .stars{margin-left:0;width:100%}
  .footer-grid{grid-template-columns:1fr}
  .crumbs{padding-top:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --glass:rgba(16,42,53,.55);
  --primary:#2FE3C4;
  --primary-deep:#17B79E;
  --accent:#6C7BFF;
  --warn:#FFC061;
  --text:#EAF6F8;
  --text-2:#A9C2CB;
  --text-3:#6F8892;
  --border:rgba(47,227,196,.18);
  --line:rgba(255,255,255,.08);
  --r-btn:14px;
  --r-card:18px;
  --r-img:20px;
  --r-badge:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-btn:0 8px 24px rgba(47,227,196,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部通告 ---------- */
.topbar{
  height:36px;display:flex;align-items:center;
  background:rgba(47,227,196,.06);
  border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-2);
}
.topbar .container{display:flex;align-items:center;gap:10px}
.topbar i{color:var(--primary);font-size:12px}
.topbar .close-tip{margin-left:auto;background:none;border:0;color:var(--text-3);cursor:pointer;font-size:14px;line-height:1;padding:4px 6px;border-radius:6px;transition:color .2s var(--ease)}
.topbar .close-tip:hover{color:var(--primary)}
.topbar.hidden{display:none}

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000}
.nav-wrap{
  background:rgba(6,19,26,.74);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.scrolled .nav-wrap{background:rgba(6,19,26,.94);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.nav-inner{display:flex;align-items:center;gap:18px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#12A68F);color:#04161A;font-size:15px;
  box-shadow:0 6px 18px rgba(47,227,196,.3);
}
.brand-text{font-weight:800;font-size:18px;color:var(--text);white-space:nowrap}
.nav-search{position:relative;flex:1 1 34%;max-width:440px;min-width:160px}
.nav-search .fa-magnifying-glass{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;pointer-events:none}
.nav-search input{
  width:100%;height:44px;border-radius:999px;padding:0 18px 0 42px;font-size:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--border);color:var(--text);
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,227,196,.16);background:rgba(255,255,255,.06);caret-color:var(--primary)}
.nav-pills{display:flex;align-items:center;gap:4px;flex:0 1 auto;overflow:hidden}
.pill{
  padding:8px 12px;border-radius:999px;font-size:13.5px;color:var(--text-2);
  white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease);
}
.pill:hover{color:var(--primary);background:rgba(47,227,196,.08)}
.pill.active{color:var(--primary);background:rgba(47,227,196,.1)}
.btn-primary-cta{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:11px 20px;border-radius:var(--r-btn);border:0;cursor:pointer;
  background:var(--primary);color:#04161A;font-size:14px;font-weight:700;
  box-shadow:var(--shadow-btn);transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary-cta:hover{filter:brightness(1.08);transform:translateY(-2px) scale(1.02);box-shadow:0 12px 28px rgba(47,227,196,.45)}
.btn-primary-cta:active{transform:translateY(0) scale(.99)}
.btn-primary-cta i{font-size:12px;transition:transform .2s var(--ease)}
.btn-primary-cta:hover i{transform:translateX(2px)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;flex:0 0 auto;
  background:rgba(255,255,255,.04);border:1px solid var(--border);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s var(--ease)}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1200;background:rgba(4,12,18,.6);
  backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,88vw);
  background:var(--bg-1);border-left:1px solid var(--border);
  padding:20px;overflow-y:auto;transform:translateX(100%);transition:transform .28s var(--ease);
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text-2);cursor:pointer;font-size:15px}
.drawer-close:hover{color:var(--primary);border-color:var(--border)}
.drawer-search{margin-bottom:18px;max-width:none}
.drawer-search input{height:48px;border-radius:14px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{padding:13px 14px;border-radius:12px;color:var(--text-2);font-size:15px;transition:.2s var(--ease)}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);background:rgba(47,227,196,.08)}
.drawer-dl{width:100%;justify-content:center;height:48px}

/* ---------- 内容主区 ---------- */
main{padding-top:108px}
.page-banner{
  background-image:linear-gradient(rgba(6,19,26,.86),rgba(6,19,26,.95)),url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  padding:26px 0 22px;
}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs a{color:var(--text-2);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:var(--text-3);opacity:.6}
.crumbs .cur{color:var(--primary);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding:38px 0 8px;max-width:860px}
.article-head h1{font-size:32px;line-height:1.4;font-weight:800;letter-spacing:-.01em}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:18px;font-size:13px;color:var(--text-3)}
.article-meta .dot{opacity:.5}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:1.6;white-space:nowrap;
}
.tag-cat{background:rgba(108,123,255,.12);color:#A6B0FF}
.tag-num{background:rgba(255,192,97,.12);color:var(--warn)}
.tag-new{background:rgba(47,227,196,.12);color:var(--primary)}

.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 240px;
  gap:48px;justify-content:center;align-items:start;
  padding:36px 0 0;
}
.article-main{min-width:0}
.article-body{font-size:16px;line-height:1.9;color:#DCEAEE}
.article-body h2{
  font-size:20px;font-weight:700;margin:40px 0 16px;padding-left:14px;position:relative;line-height:1.5;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(47,227,196,.5);
}
.article-body h3{font-size:17px;font-weight:700;margin:28px 0 12px}
.article-body h4{font-size:16px;font-weight:700;margin:22px 0 10px;color:var(--text-2)}
.article-body p{margin:0 0 22px}
.article-body ul,.article-body ol{margin:0 0 22px}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 8px rgba(47,227,196,.45);
}
.article-body ol{counter-reset:olcount}
.article-body ol li{counter-increment:olcount}
.article-body ol li::before{
  content:counter(olcount);position:absolute;left:0;top:0;color:var(--primary);
  font-weight:700;font-size:14px;line-height:1.9em;
}
.article-body blockquote{
  margin:0 0 22px;padding:18px 20px;border-left:3px solid var(--accent);
  background:rgba(108,123,255,.08);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;
  font-size:13.5px;color:var(--primary);font-family:ui-monospace,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#04121A;border:1px solid var(--line);border-radius:10px;
  padding:16px 18px;overflow-x:auto;margin:0 0 22px;
}
.article-body pre code{background:none;padding:0;color:#B9E8DF;font-size:13.5px}
.article-body img{border-radius:14px;border:1px solid var(--line);margin:0 0 22px}
.article-body figure{margin:0 0 22px}
.article-body figure img{margin-bottom:0}
.article-body figcaption{font-size:12px;color:var(--text-3);margin-top:8px;text-align:center}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(47,227,196,.35);transition:border-color .2s var(--ease)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  min-height:320px;gap:14px;padding:48px 24px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--shadow-card);
}
.empty-state i{font-size:34px;color:rgba(47,227,196,.4)}
.empty-state p{color:var(--text-2);font-size:15px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:var(--r-btn);
  border:1px solid var(--border);background:transparent;color:var(--primary);
  font-size:14px;font-weight:600;transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-ghost:hover{background:rgba(47,227,196,.08);transform:translateY(-2px);border-color:var(--primary)}
.btn-ghost:hover i{transform:translateX(2px)}
.btn-ghost i{font-size:12px;transition:transform .2s var(--ease)}

/* 侧栏 */
.article-side{position:sticky;top:128px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-card);
}
.side-card h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--primary);font-size:13px}
.side-links{display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:block;padding:9px 12px;border-radius:10px;font-size:13.5px;color:var(--text-2);
  border-left:2px solid transparent;transition:.2s var(--ease);
}
.side-links a:hover{color:var(--primary);background:rgba(47,227,196,.07);border-left-color:var(--primary)}
.side-cta{text-align:left}
.side-cta p{font-size:13px;color:var(--text-2);margin:10px 0 16px;line-height:1.7}
.side-cta .btn-primary-cta{width:100%;justify-content:center}
.side-cta .ver{display:block;margin-top:10px;font-size:12px;color:var(--text-3)}
.side-cta .ver b{color:var(--warn);font-weight:600}

/* 标签、上下篇、相关推荐 */
.article-foot{padding:44px 0 0}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag-row a{
  padding:6px 13px;border-radius:var(--r-badge);font-size:12.5px;
  background:rgba(108,123,255,.12);color:#A6B0FF;transition:.2s var(--ease);
}
.tag-row a:hover{background:rgba(108,123,255,.22);color:#C3C9FF}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:44px}
.post-nav a{
  display:flex;flex-direction:column;gap:6px;padding:16px 18px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);border:1px solid var(--line);transition:.24s var(--ease);
}
.post-nav a:hover{border-color:rgba(47,227,196,.4);transform:translateY(-2px);background:rgba(47,227,196,.05)}
.post-nav span{font-size:12px;color:var(--text-3)}
.post-nav strong{font-size:14.5px;font-weight:600;color:var(--text);line-height:1.6}
.post-nav .next{text-align:right;align-items:flex-end}

.sec-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-title-row h2{font-size:22px;font-weight:700}
.sec-title-row .more{font-size:13.5px;color:var(--text-2);transition:color .2s var(--ease)}
.sec-title-row .more:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rec-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rec-card:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.4);box-shadow:0 14px 34px rgba(0,0,0,.45)}
.rec-card .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rec-card:hover .thumb img{transform:scale(1.03)}
.rec-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-card h3{font-size:15px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card p{font-size:13px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card .meta{display:flex;align-items:center;gap:8px;margin-top:auto;font-size:12px;color:var(--text-3)}

/* CTA 条 */
.cta-band{
  margin:64px 0 0;
  background-image:linear-gradient(rgba(6,19,26,.9),rgba(6,19,26,.95)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  border:1px solid var(--border);border-radius:var(--r-img);
  padding:38px 34px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.18),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:24px;font-weight:800;margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:600px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);margin-top:96px;background:var(--bg-1)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:56px 0 40px}
.footer-grid .f-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-grid .f-col ul{display:flex;flex-direction:column;gap:10px}
.footer-grid .f-col li a{font-size:13.5px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-grid .f-col li a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.f-brand .brand{margin-bottom:14px}
.f-brand p{font-size:13px;color:var(--text-3);line-height:1.8;max-width:280px}
.f-col .contact-line{font-size:13px;color:var(--text-2);margin-bottom:10px}
.f-col .contact-line b{color:var(--text);font-weight:600}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--primary)}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;border:1px solid var(--border);cursor:pointer;
  background:rgba(11,29,38,.9);color:var(--primary);backdrop-filter:blur(12px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.24s var(--ease);z-index:900;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(47,227,196,.14)}

@media (max-width:1199px){
  .nav-search{flex:1 1 30%;max-width:320px}
  .nav-pills .pill:nth-child(n+5){display:none}
  .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:32px}
}
@media (max-width:991px){
  .nav-pills,.nav-search{display:none}
  .hamburger{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;margin-top:36px}
  .article-head h1{font-size:27px}
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:30px 24px}
  .cta-band h2{font-size:21px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  main{padding-top:96px}
  :root{--nav-h:60px}
  .nav-inner{gap:12px}
  .brand-text{font-size:16px}
  .btn-primary-cta{padding:10px 16px;font-size:13px}
  .article-head{padding:28px 0 4px}
  .article-head h1{font-size:24px}
  .article-body{font-size:15px;line-height:1.85}
  .article-body p{line-height:1.85}
  .article-body h2{font-size:18px}
  .article-body h3{font-size:16px}
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{text-align:left;align-items:flex-start}
  .rec-grid{grid-template-columns:1fr}
  .cta-actions .btn-primary-cta,.cta-actions .btn-ghost{width:100%;justify-content:center;min-height:48px}
  .footer-grid{grid-template-columns:1fr;padding:40px 0 28px}
  .to-top{right:16px;bottom:18px}
  .page-banner{padding:20px 0 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --glass:rgba(16,42,53,.55);
  --primary:#2FE3C4;
  --accent:#6C7BFF;
  --warn:#FFC061;
  --text:#EAF6F8;
  --sub:#A9C2CB;
  --weak:#6F8892;
  --line:rgba(47,227,196,.18);
  --divider:rgba(255,255,255,.08);
  --r-btn:14px;
  --r-card:18px;
  --r-img:20px;
  --r-badge:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-btn:0 8px 24px rgba(47,227,196,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(47,227,196,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(47,227,196,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;}
a{color:var(--sub);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;letter-spacing:-.01em;line-height:1.35;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:96px 0;position:relative;}
.section.alt{background:var(--bg-1);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{font-size:26px;margin-bottom:12px;}
.sec-head p{color:var(--sub);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
  color:var(--primary);background:rgba(47,227,196,.1);border:1px solid var(--line);
  padding:5px 12px;border-radius:var(--r-badge);
}
/* ============ 通告条 ============ */
.notice-bar{background:linear-gradient(90deg,rgba(108,123,255,.18),rgba(47,227,196,.14));border-bottom:1px solid var(--divider);}
.notice-inner{display:flex;align-items:center;gap:12px;min-height:42px;font-size:13px;color:var(--text);}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);flex:none;}
.notice-inner p{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.notice-close{background:none;border:0;color:var(--sub);font-size:18px;line-height:1;cursor:pointer;padding:6px 8px;border-radius:8px;transition:color .2s var(--ease),background .2s var(--ease);}
.notice-close:hover{color:var(--primary);background:rgba(47,227,196,.1);}
/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,19,26,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--divider);transition:box-shadow .22s var(--ease),background .22s var(--ease);}
.site-header.scrolled{box-shadow:0 12px 32px rgba(0,0,0,.45);background:rgba(6,19,26,.95);}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#1aa88f);color:#04212a;font-weight:800;font-size:17px;
  box-shadow:0 6px 18px rgba(47,227,196,.3);
}
.logo-text{font-weight:800;font-size:17px;color:var(--text);letter-spacing:-.01em;}
.search-box{
  position:relative;flex:1 1 auto;max-width:420px;min-width:200px;
}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--weak);font-size:14px;pointer-events:none;}
.search-box input{
  width:100%;height:44px;border-radius:999px;padding:0 18px 0 42px;font-size:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--divider);color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-box input::placeholder{color:var(--weak);}
.search-box input:focus{outline:none;border-color:var(--primary);background:rgba(47,227,196,.06);box-shadow:0 0 0 3px rgba(47,227,196,.16);}
.search-box input:focus + i,.search-box:focus-within i{color:var(--primary);}
.nav-pills{display:flex;align-items:center;gap:4px;margin-left:auto;}
.pill{
  display:inline-block;padding:8px 14px;border-radius:999px;font-size:13.5px;color:var(--sub);
  border:1px solid transparent;white-space:nowrap;transition:all .2s var(--ease);
}
.pill:hover{color:var(--primary);background:rgba(47,227,196,.08);}
.pill.active{color:var(--primary);background:rgba(47,227,196,.12);border-color:var(--line);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.04);
  border:1px solid var(--divider);color:var(--text);font-size:17px;cursor:pointer;
}
/* ============ 按钮 ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  cursor:pointer;transition:all .2s var(--ease);border:1px solid transparent;
}
.btn-main{background:var(--primary);color:#04212a;box-shadow:var(--shadow-btn);}
.btn-main:hover{background:#4eead0;color:#04212a;transform:translateY(-2px) scale(1.02);box-shadow:0 12px 30px rgba(47,227,196,.45);}
.btn-main:active{transform:translateY(0);}
.btn-main:hover .fa-arrow-right{transform:translateX(2px);}
.btn-main .fa-arrow-right{transition:transform .2s var(--ease);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{background:rgba(47,227,196,.08);color:var(--primary);transform:translateY(-2px);}
.btn-ghost.accent{color:var(--accent);border-color:rgba(108,123,255,.35);}
.btn-ghost.accent:hover{background:rgba(108,123,255,.1);color:#93a0ff;}
.btn-sm{height:40px;padding:0 16px;font-size:13.5px;border-radius:12px;}
/* ============ 移动抽屉 ============ */
.mobile-drawer{
  display:none;padding:16px 0 22px;border-top:1px solid var(--divider);
  background:rgba(6,19,26,.98);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .search-box{max-width:100%;margin-bottom:16px;}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{padding:12px 14px;border-radius:12px;font-size:14.5px;color:var(--sub);border:1px solid transparent;}
.drawer-links a.active{color:var(--primary);background:rgba(47,227,196,.1);border-color:var(--line);font-weight:700;}
/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);}
.crumb a{color:var(--sub);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:var(--weak);opacity:.6;}
.crumb .current{color:var(--primary);font-weight:700;}
/* ============ Hero ============ */
.hero{
  position:relative;padding:64px 0 88px;overflow:hidden;
  background-image:linear-gradient(rgba(6,19,26,.78),rgba(6,19,26,.92)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-80px;top:-100px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.18),transparent 68%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero-copy h1{font-size:36px;margin:18px 0 16px;}
.hero-sub{color:var(--sub);font-size:16px;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.trust-row li{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--sub);
  background:rgba(255,255,255,.04);border:1px solid var(--divider);border-radius:999px;padding:6px 14px;
}
.trust-row .t-val{color:var(--warn);font-weight:700;}
.hero-media{
  margin:0;position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-media figcaption{padding:12px 16px;font-size:12px;color:var(--sub);background:rgba(6,19,26,.72);border-top:1px solid var(--divider);}
/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:1px;
  background:linear-gradient(180deg,rgba(47,227,196,.5),rgba(108,123,255,.35),transparent);
}
.step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding-bottom:44px;}
.step:last-child{padding-bottom:0;}
.step-node{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:rgba(11,29,38,.9);border:1px solid var(--line);color:var(--primary);
  font-weight:800;font-size:15px;box-shadow:0 0 0 6px rgba(6,19,26,.85);
}
.step-body{
  background:var(--glass);border:1px solid var(--divider);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--shadow-card);backdrop-filter:blur(16px);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.step-body:hover{border-color:rgba(47,227,196,.4);transform:translateY(-2px);}
.step-body h3{font-size:19px;margin-bottom:10px;}
.step-body p{color:var(--sub);font-size:15px;}
.step-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.step-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--sub);
}
.step-list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--primary);opacity:.8;
}
.step-shot{
  margin:18px 0 0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--divider);
}
.step-shot img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.step-shot figcaption{padding:10px 14px;font-size:12px;color:var(--weak);background:rgba(6,19,26,.6);}
.step-cta{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;}
/* ============ 规格行 ============ */
.spec-list{display:flex;flex-direction:column;gap:12px;}
.spec-row{
  display:grid;grid-template-columns:220px 1fr auto;gap:20px;align-items:center;
  min-height:64px;padding:14px 22px;border-radius:var(--r-card);
  background:rgba(16,42,53,.42);border:1px solid var(--divider);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.spec-row:hover{border-color:var(--line);background:rgba(16,42,53,.62);}
.spec-name{display:flex;align-items:center;gap:12px;font-weight:700;font-size:15px;}
.spec-name i{color:var(--primary);font-size:16px;width:20px;text-align:center;}
.spec-desc{color:var(--sub);font-size:14px;}
.badge{font-size:12px;border-radius:var(--r-badge);padding:5px 10px;font-weight:700;white-space:nowrap;}
.badge-warn{color:var(--warn);background:rgba(255,192,97,.12);}
.badge-primary{color:var(--primary);background:rgba(47,227,196,.12);}
.badge-accent{color:var(--accent);background:rgba(108,123,255,.14);}
/* ============ 评价墙 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-grid > *:nth-child(2){transform:translateY(32px);}
.quote-grid > *:nth-child(3){transform:translateY(14px);}
.quote-card{
  margin:0;position:relative;padding:26px 24px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--divider);box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px);transition:border-color .2s var(--ease);
}
.quote-card::before{
  content:"\201C";position:absolute;top:6px;left:18px;font-size:46px;color:var(--primary);opacity:.25;line-height:1;
}
.quote-card p{color:var(--sub);font-size:14.5px;margin:18px 0 20px;}
.quote-card footer{display:flex;align-items:center;gap:12px;border-top:1px solid var(--divider);padding-top:14px;}
.avatar{
  width:48px;height:48px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(108,123,255,.4),rgba(47,227,196,.35));
  color:var(--text);font-weight:800;font-size:16px;
}
.quote-card footer .who{display:block;font-size:14px;color:var(--text);font-weight:700;}
.quote-card footer .role{display:block;font-size:12px;color:var(--weak);}
.quote-card footer .stars{margin-left:auto;color:var(--warn);font-size:13px;letter-spacing:2px;}
/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--divider);}
.accordion-button{
  background:transparent;color:var(--text);font-size:16px;font-weight:700;
  padding:20px 44px 20px 0;box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--primary);transform:none;transition:transform .22s var(--ease);
  position:absolute;right:6px;top:24px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{color:var(--sub);font-size:14.5px;padding:0 44px 22px 0;}
/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:24px;padding:56px 48px;overflow:hidden;
  background-image:linear-gradient(rgba(6,19,26,.84),rgba(6,19,26,.9)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.cta-band::after{
  content:"";position:absolute;width:340px;height:340px;right:-60px;bottom:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,123,255,.18),transparent 70%);
}
.cta-band h2{font-size:28px;margin-bottom:12px;}
.cta-band p{color:var(--sub);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:1;}
.dl-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px;}
.dl-item{padding:20px;border-radius:var(--r-card);background:rgba(16,42,53,.5);border:1px solid var(--divider);}
.dl-item .btn-main,.dl-item .btn-ghost{width:100%;}
.dl-meta{margin-top:12px;font-size:12px;color:var(--weak);}
.dl-meta b{color:var(--warn);font-weight:700;}
.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;font-size:14px;}
.link-row a{
  padding:8px 16px;border-radius:999px;border:1px solid var(--divider);color:var(--sub);
  transition:all .2s var(--ease);
}
.link-row a:hover{color:var(--primary);border-color:var(--line);background:rgba(47,227,196,.08);}
/* ============ 页脚 ============ */
footer.site-footer{border-top:1px solid var(--divider);background:var(--bg-1);padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.foot-col p,.foot-col li{font-size:13px;color:var(--weak);}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .logo-mark{width:30px;height:30px;font-size:15px;border-radius:9px;}
.foot-brand span{font-weight:800;font-size:16px;color:var(--text);}
.foot-divider{height:1px;background:var(--divider);margin:40px 0 20px;border:0;}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:var(--weak);}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-pills .pill:nth-child(n+5){display:none;}
  .search-box{max-width:300px;}
  .hero-copy h1{font-size:32px;}
}
@media (max-width:991px){
  .nav-pills{display:none;}
  .hamburger{display:inline-grid;place-items:center;}
  .search-box{display:none;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .section{padding:72px 0;}
  .quote-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid > *{transform:none !important;}
  .dl-matrix{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container-x{padding:0 18px;}
  .section{padding:56px 0;}
  .hero-copy h1{font-size:27px;}
  .hero-cta .btn-main,.hero-cta .btn-ghost,.cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;height:50px;}
  .step{grid-template-columns:44px 1fr;gap:14px;}
  .step-node{width:44px;height:44px;font-size:13px;}
  .timeline::before{left:21px;}
  .step-body{padding:20px 18px;}
  .spec-row{grid-template-columns:1fr;gap:8px;padding:16px 18px;min-height:auto;}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;}
  .cta-band h2{font-size:23px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .accordion-button{font-size:15px;padding-right:38px;}
  .accordion-body{padding-right:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --glass:rgba(16,42,53,.55);
  --primary:#2FE3C4;
  --primary-dim:rgba(47,227,196,.12);
  --accent:#6C7BFF;
  --accent-dim:rgba(108,123,255,.12);
  --warn:#FFC061;
  --warn-dim:rgba(255,192,97,.12);
  --text:#EAF6F8;
  --text-2:#A9C2CB;
  --text-3:#6F8892;
  --border:rgba(47,227,196,.18);
  --line:rgba(255,255,255,.08);
  --r-btn:14px;
  --r-card:18px;
  --r-img:20px;
  --r-badge:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-primary:0 8px 24px rgba(47,227,196,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-family:Inter,"HarmonyOS Sans",system-ui,sans-serif}
.shell{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 顶部通告条 */
.topbar{
  background:linear-gradient(90deg,rgba(47,227,196,.14),rgba(108,123,255,.14));
  border-bottom:1px solid var(--line);
  font-size:12.5px;
  color:var(--text-2);
}
.topbar-inner{display:flex;align-items:center;gap:12px;min-height:40px;padding:6px 0}
.topbar i{color:var(--primary)}
.topbar b{color:var(--warn);font-weight:700}
.topbar .close-btn{margin-left:auto;color:var(--text-3);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;transition:background .2s var(--ease),color .2s var(--ease)}
.topbar .close-btn:hover{background:rgba(255,255,255,.06);color:var(--text)}

/* 导航 */
.site-head{
  position:sticky;top:0;z-index:80;
  background:rgba(6,19,26,.74);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-head.is-stuck{background:rgba(6,19,26,.94);border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.42)}
.head-inner{
  display:flex;align-items:center;gap:16px;
  max-width:1320px;margin:0 auto;padding:0 24px;height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#1aa898);
  color:#052220;font-size:15px;
  box-shadow:0 6px 18px rgba(47,227,196,.28);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.nav-search{
  position:relative;display:flex;align-items:center;gap:10px;
  flex:0 1 34%;min-width:210px;height:44px;padding:0 16px;
  border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--primary);background:rgba(47,227,196,.05);
  box-shadow:0 0 0 3px rgba(47,227,196,.14);
}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{
  flex:1;min-width:0;background:none;border:0;outline:none;
  color:var(--text);font-size:13.5px;caret-color:var(--primary);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-pills{
  display:flex;align-items:center;gap:6px;justify-content:flex-end;
  flex:1 1 auto;overflow-x:auto;scrollbar-width:none;
}
.nav-pills::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:34px;padding:0 11px;
  border-radius:999px;font-size:12.5px;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.pill:hover{color:var(--text);background:rgba(255,255,255,.05)}
.pill.active{color:var(--primary);background:var(--primary-dim);border-color:rgba(47,227,196,.3)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:700;border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--primary);color:#04211D;box-shadow:var(--shadow-primary)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 12px 28px rgba(47,227,196,.42);color:#04211D}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(47,227,196,.42);color:var(--primary)}
.btn-ghost:hover{background:rgba(47,227,196,.08);transform:translateY(-2px);color:var(--primary)}
.btn-accent{background:transparent;border-color:rgba(108,123,255,.5);color:#B9C1FF}
.btn-accent:hover{background:var(--accent-dim);color:#D2D7FF;transform:translateY(-2px)}
.btn-nav{flex:0 0 auto;height:40px;padding:0 16px;font-size:13.5px}
.btn i{transition:transform .2s var(--ease)}
.btn:hover i.fa-arrow-right{transform:translateX(3px)}
.nav-toggle{
  display:none;flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text);font-size:16px;
}
.nav-toggle:hover{border-color:var(--border);color:var(--primary)}
.nav-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,19,26,.98);backdrop-filter:blur(18px);
  padding:16px 24px 22px;
}
.nav-drawer.open{display:block}
.nav-drawer .nav-search{flex:none;width:100%;height:48px;border-radius:14px;margin-bottom:14px}
.drawer-pills{display:flex;flex-wrap:wrap;gap:8px}
.drawer-pills .pill{height:38px;padding:0 14px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.drawer-pills .pill.active{border-color:rgba(47,227,196,.3);background:var(--primary-dim)}

/* 面包屑 */
.crumbs{margin-top:24px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);flex-wrap:wrap}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3);opacity:.6}
.crumbs .current{color:var(--primary);font-weight:600}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:56px 0 88px;
  background-image:linear-gradient(180deg,rgba(6,19,26,.8),rgba(6,19,26,.95)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero-glow{
  position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.18),transparent 68%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:var(--r-badge);
  background:var(--accent-dim);color:#B9C1FF;font-size:12px;font-weight:600;
  border:1px solid rgba(108,123,255,.28);
}
.hero h1{font-size:38px;margin:18px 0 0}
.hero-sub{margin-top:16px;font-size:16px;color:var(--text-2);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:12px;color:var(--text-2);
}
.trust-chip b{color:var(--warn);font-weight:700}
.hero-visual{
  position:relative;padding:14px;border-radius:var(--r-img);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(18px);box-shadow:var(--shadow-card);
}
.hero-visual::before{
  content:"";position:absolute;inset:-60px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.16),transparent 70%);z-index:-1;
}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
.hero-visual figcaption{margin-top:12px;font-size:12px;color:var(--text-3)}

/* 板块 */
.section{padding:96px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-kicker{font-size:12px;letter-spacing:.14em;color:var(--primary);font-weight:700}
.sec-title{font-size:26px;margin-top:12px}
.sec-desc{margin-top:14px;font-size:15px;color:var(--text-2)}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* 要点横条 */
.points{display:grid;gap:14px}
.point{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.point:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.35);background:rgba(47,227,196,.04)}
.ico-box{
  flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--primary-dim);color:var(--primary);font-size:17px;
  border:1px solid rgba(47,227,196,.22);
}
.ico-box.accent{background:var(--accent-dim);color:#B9C1FF;border-color:rgba(108,123,255,.24)}
.ico-box.warn{background:var(--warn-dim);color:var(--warn);border-color:rgba(255,192,97,.24)}
.point h3{font-size:16px}
.point p{margin-top:6px;font-size:13.5px;color:var(--text-2);line-height:1.7}

/* 对比面板 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{
  position:relative;padding:28px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(18px);box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.panel:hover{transform:translateY(-2px)}
.panel.featured{border-color:rgba(47,227,196,.45)}
.panel .tagline{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;padding:5px 10px;border-radius:var(--r-badge);
  background:var(--primary-dim);color:var(--primary);border:1px solid rgba(47,227,196,.24);
}
.panel.featured .tagline{background:var(--warn-dim);color:var(--warn);border-color:rgba(255,192,97,.26)}
.panel h3{margin-top:14px;font-size:20px}
.panel .lead{margin-top:8px;font-size:13.5px;color:var(--text-2)}
.spec-list{margin-top:20px}
.spec-row{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:13px 0;border-top:1px solid var(--line)}
.spec-row:first-child{border-top:0}
.spec-row dt{font-size:12.5px;color:var(--text-3)}
.spec-row dd{margin:0;font-size:13.5px;color:var(--text)}
.spec-row dd .num{color:var(--warn);font-weight:700}

/* 模块支持对照 */
.matrix{margin-top:36px;border-radius:var(--r-card);border:1px solid var(--line);overflow:hidden;background:rgba(255,255,255,.02)}
.matrix-row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr .9fr .9fr;
  gap:12px;align-items:center;padding:16px 22px;min-height:66px;
  border-top:1px solid var(--line);
}
.matrix-row:first-child{border-top:0}
.matrix-head{background:rgba(255,255,255,.03);font-size:12px;color:var(--text-3);min-height:48px;letter-spacing:.04em}
.matrix-row .m-name{font-size:14.5px;font-weight:700}
.matrix-row .m-cell{font-size:13.5px;color:var(--text-2)}
.matrix-row .m-cell.ok{color:var(--primary)}
.matrix-row .m-cell.part{color:var(--warn)}
.m-label{display:none;font-size:11.5px;color:var(--text-3)}
.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:var(--r-badge);font-size:11.5px;font-weight:600}
.badge-primary{background:var(--primary-dim);color:var(--primary)}
.badge-accent{background:var(--accent-dim);color:#B9C1FF}
.badge-warn{background:var(--warn-dim);color:var(--warn)}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.step{
  padding:24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.35)}
.step-num{font-size:12px;font-weight:700;color:var(--warn);letter-spacing:.1em}
.step h3{margin-top:12px;font-size:15.5px}
.step p{margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.7}
.step-note{margin-top:24px;font-size:13px;color:var(--text-2)}
.step-note a{color:var(--primary);border-bottom:1px solid rgba(47,227,196,.3);padding-bottom:2px}
.step-note a:hover{border-bottom-color:var(--primary)}

/* 图文小卡 */
.mini-figure{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.mini-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line)}
.mini-figure .glass{
  padding:26px;border-radius:var(--r-card);background:var(--glass);
  border:1px solid var(--border);backdrop-filter:blur(18px);
}
.mini-figure h3{font-size:18px}
.mini-figure p{margin-top:10px;font-size:13.5px;color:var(--text-2)}
.check-list{margin-top:16px}
.check-list li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);padding:6px 0}
.check-list i{color:var(--primary);margin-top:6px;font-size:11px}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;text-align:left;font-size:15.5px;font-weight:700;color:var(--text);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q .arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);font-size:11px;
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.open .faq-q .arrow{transform:rotate(180deg);color:var(--primary);border-color:rgba(47,227,196,.4)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .26s var(--ease),opacity .26s var(--ease)}
.faq-item.open .faq-a{max-height:340px;opacity:1}
.faq-a p{padding:0 4px 22px;font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:880px}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;padding:48px;border-radius:var(--r-card);
  border:1px solid rgba(47,227,196,.3);
  background-image:linear-gradient(120deg,rgba(6,19,26,.9),rgba(11,29,38,.86)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:26px}
.cta-band p{margin-top:12px;font-size:14.5px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px}
.cta-meta{margin-top:14px;font-size:12px;color:var(--text-3)}

/* 内链 */
.link-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.link-card{
  display:flex;align-items:center;gap:14px;padding:18px 20px;
  border-radius:var(--r-card);background:rgba(255,255,255,.03);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.link-card:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.35);background:rgba(47,227,196,.04)}
.link-card .arrow{margin-left:auto;color:var(--text-3);font-size:13px}
.link-card:hover .arrow{color:var(--primary)}
.link-card strong{display:block;font-size:14.5px}
.link-card span{display:block;font-size:12.5px;color:var(--text-2);margin-top:4px}

/* 反馈条 */
.voiceline{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:18px 22px;border-radius:var(--r-card);
  background:rgba(255,255,255,.03);border:1px solid var(--line);margin-top:28px;
}
.avatar{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-dim);color:#B9C1FF;font-weight:700;border:1px solid rgba(108,123,255,.24);
}
.who{display:block;font-size:14px;color:var(--text);font-weight:700}
.role{display:block;font-size:12px;color:var(--text-3)}
.stars{color:var(--warn);letter-spacing:2px;font-size:13px}
.voiceline .quote{flex:1 1 320px;font-size:13.5px;color:var(--text-2)}

/* 页脚 */
.site-foot{border-top:1px solid var(--line);background:var(--bg-1);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-grid > * + *{border-left:1px solid var(--line);padding-left:28px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800}
.foot-desc{margin-top:14px;font-size:13px;color:var(--text-2);max-width:260px}
.foot-col h4{font-size:13.5px;color:var(--text);margin-bottom:12px}
.foot-col a{display:block;font-size:13px;color:var(--text-2);padding:5px 0}
.foot-col a:hover{color:var(--primary)}
.foot-col p{font-size:13px;color:var(--text-2);padding:5px 0}
.foot-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--primary)}

/* 响应式 */
@media (max-width:1399px){
  .head-inner{gap:12px}
  .nav-search{flex-basis:30%;min-width:190px}
}
@media (max-width:1199px){
  .nav-pills .pill{font-size:12px;padding:0 9px}
  .btn-nav{display:none}
  .hero h1{font-size:34px}
}
@media (max-width:991px){
  .nav-search,.nav-pills{display:none}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .head-inner{height:60px;padding:0 18px}
  .shell{padding:0 18px}
  .hero{padding:40px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:30px}
  .section{padding:72px 0}
  .compare{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .mini-figure{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .foot-grid > * + *{border-left:0;padding-left:0}
  .cta-band{padding:34px}
  .matrix-row{grid-template-columns:1.2fr 1fr 1fr;grid-auto-rows:auto}
  .matrix-head{display:none}
  .m-label{display:block}
  .matrix-row{padding:16px 18px}
}
@media (max-width:767px){
  body{font-size:15px}
  .hero h1{font-size:26px}
  .sec-title{font-size:22px}
  .cta-band h2{font-size:22px}
  .hero-cta .btn,.cta-actions .btn{width:100%;height:48px}
  .link-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .matrix-row{grid-template-columns:1fr;gap:6px}
  .matrix-row .m-cell{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:8px}
  .spec-row{grid-template-columns:1fr;gap:4px}
  .section{padding:56px 0}
  .faq-a p{max-width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --glass:rgba(16,42,53,.55);
  --primary:#2FE3C4;
  --primary-dim:rgba(47,227,196,.12);
  --accent:#6C7BFF;
  --accent-dim:rgba(108,123,255,.12);
  --warn:#FFC061;
  --warn-dim:rgba(255,192,97,.12);
  --t1:#EAF6F8;
  --t2:#A9C2CB;
  --t3:#6F8892;
  --bd:rgba(47,227,196,.18);
  --line:rgba(255,255,255,.08);
  --r-btn:14px;
  --r-card:18px;
  --r-img:20px;
  --r-badge:8px;
  --sh-card:0 10px 30px rgba(0,0,0,.35);
  --sh-card-hover:0 16px 38px rgba(0,0,0,.45);
  --sh-btn:0 8px 24px rgba(47,227,196,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1200px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,Segoe UI,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  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:56px 56px;
  z-index:0;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--t2);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:104px 0;position:relative;}
.section-alt{background:var(--bg-1);}
.num-mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 通告条 ---------- */
.notice-bar{
  background:linear-gradient(90deg,rgba(47,227,196,.14),rgba(108,123,255,.1));
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--t2);
  position:relative;
  z-index:60;
}
.notice-inner{display:flex;align-items:center;gap:10px;height:40px;}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(47,227,196,.8);flex:none;}
.notice-inner span.txt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.notice-close{
  width:26px;height:26px;border-radius:8px;color:var(--t3);font-size:16px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:all .18s var(--ease);
}
.notice-close:hover{background:rgba(255,255,255,.06);color:var(--t1);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(6,19,26,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(6,19,26,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(0,0,0,.4);
}
.head-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#17b39c);
  color:#04191b;font-size:15px;
  box-shadow:0 6px 18px rgba(47,227,196,.3);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--t1);white-space:nowrap;}
.nav-search{
  position:relative;flex:1 1 auto;max-width:420px;
}
.nav-search i{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--t3);font-size:14px;pointer-events:none;
}
.nav-search input{
  width:100%;height:44px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--t1);font-size:14px;
  padding:0 18px 0 40px;
  transition:all .22s var(--ease);
}
.nav-search input::placeholder{color:var(--t3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,227,196,.16),inset 0 1px 0 rgba(255,255,255,.05);
  background:rgba(47,227,196,.06);
  caret-color:var(--primary);
}
.head-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-pills{display:flex;align-items:center;gap:4px;}
.pill{
  display:inline-block;padding:7px 13px;border-radius:999px;
  font-size:13.5px;color:var(--t2);white-space:nowrap;
  border:1px solid transparent;
  transition:all .2s var(--ease);
}
.pill:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.pill.active{color:var(--primary);background:var(--primary-dim);border-color:var(--bd);}
.btn-glow{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--primary);color:#04191b;font-weight:700;font-size:14.5px;
  box-shadow:var(--sh-btn);transition:all .2s var(--ease);white-space:nowrap;
}
.btn-glow:hover{color:#04191b;filter:brightness(1.08);transform:translateY(-1px) scale(1.02);}
.btn-glow:active{transform:translateY(1px) scale(.99);}
.btn-glow i{font-size:13px;transition:transform .2s var(--ease);}
.btn-glow:hover i{transform:translateX(2px);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);color:var(--t1);font-size:16px;
  align-items:center;justify-content:center;
}
.hamburger:hover{background:rgba(255,255,255,.06);}
.mobile-panel{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,19,26,.98);padding:16px 0 22px;
}
.mobile-panel.open{display:block;}
.mobile-panel .nav-search{max-width:none;margin:0 auto 14px;}
.mobile-links{display:flex;flex-direction:column;gap:2px;}
.mobile-links a{
  padding:13px 4px;font-size:15px;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.mobile-links a.active{color:var(--primary);}
.mobile-panel .btn-glow{width:100%;height:48px;margin-top:16px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:24px 0 0;position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:var(--primary);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(6,19,26,.78),rgba(6,19,26,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.18),transparent 68%);
  pointer-events:none;
}
.hero-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:76px 0 84px;position:relative;z-index:1;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--accent);
  background:var(--accent-dim);border:1px solid rgba(108,123,255,.28);
  border-radius:var(--r-badge);padding:5px 11px;margin-bottom:20px;
}
.hero h1{font-size:38px;line-height:1.28;font-weight:800;letter-spacing:-.01em;}
.hero-sub{margin-top:18px;font-size:16px;color:var(--t2);max-width:520px;}
.hero-cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid var(--bd);color:var(--primary);font-size:15px;font-weight:600;
  transition:all .2s var(--ease);
}
.btn-ghost:hover{background:rgba(47,227,196,.08);color:var(--primary);transform:translateY(-1px);}
.hero-cta .btn-glow{height:48px;padding:0 24px;font-size:15.5px;}
.trust-row{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;}
.trust{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--t2);
  border:1px solid var(--line);border-radius:var(--r-badge);
  background:rgba(255,255,255,.03);padding:5px 11px;
}
.trust b{color:var(--warn);font-weight:700;font-variant-numeric:tabular-nums;}
.hero-visual{
  position:relative;border-radius:var(--r-img);
  background:var(--glass);backdrop-filter:blur(18px);
  border:1px solid var(--bd);
  padding:14px;box-shadow:var(--sh-card);
}
.hero-visual::before{
  content:"";position:absolute;inset:-60px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.14),transparent 62%);
  pointer-events:none;z-index:-1;
}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px;border:1px solid var(--line);}
.hero-visual figcaption{margin-top:12px;font-size:12px;color:var(--t3);}

/* ---------- 区块标题 ---------- */
.sec-head{margin-bottom:34px;}
.sec-head h2{font-size:27px;font-weight:800;letter-spacing:-.01em;}
.sec-head p{margin-top:12px;color:var(--t2);font-size:15px;max-width:720px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;}

/* ---------- 筛选标签 ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;}
.chip{
  padding:8px 16px;border-radius:999px;font-size:13.5px;color:var(--t2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:all .2s var(--ease);
}
.chip:hover{color:var(--t1);border-color:var(--bd);}
.chip.active{
  color:#04191b;background:var(--primary);border-color:var(--primary);
  font-weight:700;box-shadow:0 6px 18px rgba(47,227,196,.3);
}

/* ---------- 卡片瀑布 ---------- */
.masonry{column-count:3;column-gap:24px;}
.m-card{
  break-inside:avoid;margin-bottom:24px;
  background:var(--glass);backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.m-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(47,227,196,.4);}
.m-card figure{overflow:hidden;}
.m-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.m-card:hover img{transform:scale(1.03);}
.m-body{padding:18px 18px 20px;}
.m-body h3{font-size:17px;font-weight:700;margin:12px 0 8px;line-height:1.5;}
.m-body p{font-size:14px;color:var(--t2);line-height:1.75;}
.m-meta{
  display:flex;align-items:center;gap:8px;margin-top:14px;
  font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums;
}
.m-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t3);}
.badge-soft{
  display:inline-block;font-size:12px;padding:3px 9px;border-radius:var(--r-badge);
  line-height:1.6;
}
.badge-soft.violet{background:var(--accent-dim);color:#9aa4ff;}
.badge-soft.amber{background:var(--warn-dim);color:var(--warn);}
.badge-soft.mint{background:var(--primary-dim);color:var(--primary);}
.m-card.is-hidden{display:none;}

/* ---------- 资讯条目 ---------- */
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:center;
  padding:22px 4px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.news-item:hover{background:rgba(255,255,255,.025);}
.news-item img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;border:1px solid var(--line);
}
.news-item h3{font-size:17px;font-weight:700;color:var(--t1);margin:10px 0 8px;transition:color .2s var(--ease);}
.news-item:hover h3{color:var(--primary);}
.news-item p{font-size:13.5px;color:var(--t2);line-height:1.75;}
.news-meta{display:flex;gap:10px;align-items:center;margin-top:12px;font-size:12px;color:var(--t3);}
.link-more{font-size:13.5px;color:var(--t2);}
.link-more:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 相关分类内链 ---------- */
.cat-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px;}
.cat-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;font-size:13.5px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--t2);
  transition:all .2s var(--ease);
}
.cat-link:hover{border-color:var(--bd);color:var(--primary);background:var(--primary-dim);}
.cat-link i{font-size:12px;color:var(--accent);}

/* ---------- FAQ ---------- */
.faq .accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--line);border-radius:0;
}
.faq .accordion-button{
  background:transparent;color:var(--t1);font-size:16px;font-weight:700;
  padding:20px 40px 20px 0;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){color:var(--primary);background:transparent;box-shadow:none;}
.faq .accordion-button::after{
  background-image:none;
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--t3);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--primary);}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px;}
.faq .accordion-body{
  padding:0 40px 22px 0;color:var(--t2);font-size:14.5px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-box{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(16,42,53,.85),rgba(9,26,34,.9));
  border:1px solid var(--bd);border-radius:24px;
  padding:56px 48px;text-align:center;
}
.cta-box::before{
  content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,227,196,.16),transparent 66%);
  pointer-events:none;
}
.cta-box h2{font-size:26px;font-weight:800;position:relative;}
.cta-box p{margin-top:14px;color:var(--t2);font-size:15px;position:relative;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px;position:relative;}
.cta-actions .btn-glow,.cta-actions .btn-ghost{height:50px;padding:0 26px;font-size:15px;}
.cta-note{margin-top:18px;font-size:12.5px;color:var(--t3);position:relative;}
.ver-line{margin-top:10px;font-size:12px;color:var(--warn);position:relative;font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;position:relative;z-index:1;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.foot-col h4{font-size:14px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;}
.foot-col a,.foot-col p{display:block;font-size:13.5px;color:var(--t3);line-height:2.1;}
.foot-col a:hover{color:var(--primary);}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-desc{font-size:13px;color:var(--t3);line-height:1.9;max-width:280px;}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--t3);
}
.foot-bottom .sep{opacity:.4;margin:0 8px;}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:40;
  width:44px;height:44px;border-radius:14px;
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--bd);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:all .24s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:rgba(47,227,196,.12);}

/* ---------- 进场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .hero h1{font-size:34px;}
}
@media (max-width:1199px){
  .nav-search{max-width:300px;}
  .nav-pills .pill:nth-child(5){display:none;}
  .hero-inner{gap:36px;}
  .hero h1{font-size:31px;}
  .masonry{column-count:3;column-gap:20px;}
}
@media (max-width:991px){
  .section{padding:76px 0;}
  .nav-pills,.head-actions .btn-glow{display:none;}
  .hamburger{display:flex;}
  .head-inner{height:64px;gap:12px;}
  .nav-search{max-width:100%;order:3;flex:1 1 100%;}
  .head-inner{flex-wrap:wrap;height:auto;padding:12px 0;}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 60px;}
  .hero h1{font-size:30px;}
  .hero-sub{max-width:none;}
  .masonry{column-count:2;column-gap:18px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .news-item{grid-template-columns:160px 1fr;}
  .cta-box{padding:46px 30px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:60px 0;}
  .hero h1{font-size:27px;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%;height:50px;}
  .sec-head h2{font-size:22px;}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:10px;}
  .masonry{column-count:1;}
  .news-item{grid-template-columns:1fr;gap:14px;}
  .news-item img{aspect-ratio:21/9;}
  .cta-box{padding:38px 20px;border-radius:20px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%;}
  .faq .accordion-button{font-size:15px;padding-right:32px;}
  .faq .accordion-body{padding-right:12px;}
  .foot-grid{grid-template-columns:1fr;gap:24px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category5 */
:root{
  --bg-0:#06131A;
  --bg-1:#0B1D26;
  --glass:rgba(16,42,53,.55);
  --primary:#2FE3C4;
  --accent:#6C7BFF;
  --warn:#FFC061;
  --text:#EAF6F8;
  --text-2:#A9C2CB;
  --text-3:#6F8892;
  --border:rgba(47,227,196,.18);
  --line:rgba(255,255,255,.08);
  --r-btn:14px;
  --r-card:18px;
  --r-img:20px;
  --r-badge:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.35);
  --shadow-btn:0 8px 24px rgba(47,227,196,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font);
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:14px}
.sec-kicker::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}
.sec-head h2{font-size:26px;line-height:1.35}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px}

/* header */
.topbar{
  background:linear-gradient(90deg,rgba(47,227,196,.12),rgba(108,123,255,.12));
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}
.topbar .wrap{display:flex;align-items:center;gap:12px;min-height:42px}
.topbar .tag{background:rgba(255,192,97,.14);color:var(--warn);border-radius:var(--r-badge);padding:2px 8px;font-size:12px;white-space:nowrap}
.topbar p{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar .close{background:none;border:0;color:var(--text-3);font-size:16px;line-height:1;cursor:pointer;padding:6px;border-radius:8px}
.topbar .close:hover{color:var(--text);background:rgba(255,255,255,.06)}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(6,19,26,.82);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.45);background:rgba(6,19,26,.94)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#1fa38f);
  display:grid;place-items:center;color:#062018;font-weight:800;font-size:15px;
  box-shadow:0 6px 18px rgba(47,227,196,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
.search-box{position:relative;flex:1 1 auto;max-width:430px;min-width:190px}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px}
.search-box input{
  width:100%;height:44px;border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  color:var(--text);font-size:14px;
  padding:0 18px 0 42px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  caret-color:var(--primary);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(47,227,196,.06);
  box-shadow:0 0 0 3px rgba(47,227,196,.16),inset 0 0 12px rgba(47,227,196,.10);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-pills{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.pill{
  font-size:12.5px;color:var(--text-2);
  padding:8px 11px;border-radius:999px;
  border:1px solid transparent;
  white-space:nowrap;
  transition:all .2s var(--ease);
}
.pill:hover{color:var(--primary);background:rgba(47,227,196,.08);border-color:var(--border)}
.pill.active{color:var(--primary);background:rgba(47,227,196,.10);border-color:var(--border)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:14px;font-weight:700;
  padding:12px 20px;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);color:#04231D;box-shadow:var(--shadow-btn);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);color:#04231D}
.btn-primary:active{transform:translateY(1px)}
.btn-primary i{transition:transform .2s var(--ease)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-ghost{
  background:transparent;border-color:var(--border);color:var(--primary);
}
.btn-ghost:hover{background:rgba(47,227,196,.08);transform:translateY(-2px);color:var(--primary)}
.btn-ghost-accent{border-color:rgba(108,123,255,.4);color:#B9C1FF}
.btn-ghost-accent:hover{background:rgba(108,123,255,.12);color:#D5DAFF}
.btn-sm{padding:9px 16px;font-size:13px}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--border);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;font-size:16px;
}
.mobile-search{display:none;padding:0 0 14px}
.mobile-search .search-box{max-width:none;min-width:0}
.mobile-search input{height:48px;border-radius:14px}

/* drawer */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(340px,88vw);
  background:rgba(8,25,33,.98);
  border-left:1px solid var(--border);
  transform:translateX(102%);
  transition:transform .26s var(--ease);
  z-index:90;
  padding:20px 20px 32px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-weight:800;font-size:15px}
.drawer-head button{background:none;border:1px solid var(--line);color:var(--text-2);width:38px;height:38px;border-radius:10px;cursor:pointer}
.drawer .search-box{margin-bottom:18px;max-width:none}
.drawer .search-box input{border-radius:14px;height:48px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.drawer-links a{padding:12px 14px;border-radius:12px;border:1px solid transparent;font-size:14px;color:var(--text-2)}
.drawer-links a:hover{background:rgba(47,227,196,.08);border-color:var(--border);color:var(--primary)}
.drawer-links a.active{background:rgba(47,227,196,.10);color:var(--primary);border-color:var(--border)}
.overlay{position:fixed;inset:0;background:rgba(3,10,14,.62);opacity:0;pointer-events:none;transition:opacity .24s var(--ease);z-index:80}
.overlay.open{opacity:1;pointer-events:auto}

/* breadcrumb */
.crumb{padding-top:24px;font-size:13px;color:var(--text-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li::after{content:"/";color:var(--text-3);opacity:.6}
.crumb li:last-child::after{display:none}
.crumb a:hover{color:var(--primary)}
.crumb .current{color:var(--primary)}

/* hero */
.hero{position:relative;padding:56px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;right:-80px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(47,227,196,.18),transparent 62%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-200px;left:-120px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(108,123,255,.16),transparent 64%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero h1{font-size:38px;line-height:1.28}
.hero .lead{margin-top:18px;font-size:16px;color:var(--text-2);max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.trust-row{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.trust{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:var(--r-badge);
  padding:5px 10px;background:rgba(255,255,255,.03);
}
.trust b{color:var(--warn);font-weight:700}
.hero-visual{position:relative}
.hero-visual::before{
  content:"";position:absolute;inset:-60px;
  background:radial-gradient(circle at 60% 40%,rgba(47,227,196,.16),transparent 60%);
  pointer-events:none;
}
.glass-panel{
  position:relative;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:14px;
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
}
.glass-panel img{border-radius:var(--r-img);border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover;width:100%}
.glass-panel figcaption{margin-top:12px;font-size:12px;color:var(--text-3)}

/* spec panel */
.spec-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:rgba(255,255,255,.02)}
.spec-row{
  display:grid;
  grid-template-columns:1.5fr .9fr .9fr .9fr 1.1fr;
  align-items:center;
  gap:16px;
  min-height:64px;
  padding:12px 20px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.spec-row:last-child{border-bottom:0}
.spec-row:hover{background:rgba(47,227,196,.05)}
.spec-name{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;color:var(--text)}
.spec-name i{width:24px;text-align:center;color:var(--primary);font-size:15px}
.spec-metric{font-size:12px;color:var(--text-3);display:flex;flex-direction:column;gap:2px}
.spec-metric em{font-style:normal;font-size:15px;font-weight:700;color:var(--warn);font-variant-numeric:tabular-nums}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;border-radius:var(--r-badge);padding:4px 9px;white-space:nowrap;
}
.badge-ok{background:rgba(47,227,196,.12);color:var(--primary)}
.badge-accent{background:rgba(108,123,255,.14);color:#B4BCFF}
.badge-warn{background:rgba(255,192,97,.14);color:var(--warn)}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),#1fa38f)}
.bar.warn span{background:linear-gradient(90deg,var(--warn),#d99a2f)}

/* stat cards */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.stat-card{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:rgba(255,255,255,.03);
  padding:22px 20px;
  transition:all .2s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.4);box-shadow:var(--shadow-card)}
.stat-card i{color:var(--accent);font-size:16px}
.stat-card em{
  display:block;margin-top:12px;font-style:normal;font-size:26px;font-weight:800;color:var(--warn);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-card span{display:block;margin-top:6px;font-size:12.5px;color:var(--text-3)}

/* quick cards */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.q-card{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);
  backdrop-filter:blur(16px);
  overflow:hidden;
  transition:all .2s var(--ease);
  box-shadow:var(--shadow-card);
}
.q-card:hover{transform:translateY(-2px);border-color:rgba(47,227,196,.4)}
.q-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-bottom:1px solid var(--line)}
.q-card .q-body{padding:20px}
.q-card .q-body h3{font-size:17px;line-height:1.45}
.q-card .q-body p{margin-top:10px;font-size:13.5px;color:var(--text-2)}
.q-card.tall img{aspect-ratio:16/11}
.q-card.short{margin-top:32px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;border-radius:var(--r-badge);
  padding:3px 9px;background:rgba(108,123,255,.14);color:#B4BCFF;margin-bottom:12px;
}

/* checklist strip */
.steps-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.step-line{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:rgba(255,255,255,.03);padding:20px;
}
.step-line .ico{
  flex:0 0 38px;height:38px;border-radius:11px;
  background:rgba(47,227,196,.12);color:var(--primary);
  display:grid;place-items:center;font-size:15px;
}
.step-line h3{font-size:15px}
.step-line p{margin-top:8px;font-size:13px;color:var(--text-2)}

/* download */
.dl-box{
  border:1px solid var(--border);border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(16,42,53,.72),rgba(11,29,38,.7));
  padding:38px;text-align:center;
  box-shadow:var(--shadow-card);
}
.dl-box h2{font-size:24px}
.dl-box .lead{margin-top:12px;color:var(--text-2);font-size:14.5px}
.dl-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:26px}
.dl-item{display:flex;flex-direction:column;align-items:center;gap:10px}
.dl-meta{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.dl-note{margin-top:24px;font-size:12px;color:var(--text-3)}

/* related links */
.related{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.related a{
  display:block;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;background:rgba(255,255,255,.03);
  color:var(--text);font-size:14px;font-weight:700;
  transition:all .2s var(--ease);
}
.related a span{display:block;margin-top:8px;font-size:12.5px;font-weight:400;color:var(--text-3)}
.related a:hover{border-color:rgba(47,227,196,.45);transform:translateY(-2px);color:var(--primary)}

/* faq */
.faq-list{margin-top:8px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 4px;text-align:left;color:var(--text);
  font-size:15.5px;font-weight:700;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-q i{color:var(--primary);font-size:13px;transition:transform .22s var(--ease);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a p{padding:0 4px 22px;color:var(--text-2);font-size:14px;max-width:880px}

/* cta */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--border);border-radius:var(--r-card);
  background:linear-gradient(120deg,rgba(16,42,53,.85),rgba(11,29,38,.9)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:48px 40px;
}
.cta-band::before{
  content:"";position:absolute;top:-120px;right:-40px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(47,227,196,.18),transparent 68%);
}
.cta-band .inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:24px}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:14px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--text-3);max-width:280px}
.footer-col h4{font-size:13px;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:13px;color:var(--text-3)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

@media (max-width:1199px){
  .search-box{max-width:300px}
  .pill{padding:7px 9px;font-size:12px}
  .hero h1{font-size:33px}
  .nav-inner{gap:14px}
}
@media (max-width:991px){
  .nav-pills{display:none}
  .nav-actions .btn-primary{display:none}
  .hamburger{display:grid;place-items:center}
  .search-box.desktop{display:none}
  .mobile-search{display:block}
  .nav-inner{min-height:60px;flex-wrap:wrap}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:34px 0 64px}
  .hero-visual{order:-1}
  .section{padding:72px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .q-card.short{margin-top:0}
  .steps-strip{grid-template-columns:1fr}
  .related{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .spec-row{grid-template-columns:1.4fr .9fr .9fr;row-gap:10px}
  .spec-row .spec-status{grid-column:2/3}
  .spec-row .spec-bar{grid-column:1/4}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  body{font-size:15px}
  .section{padding:58px 0}
  .hero h1{font-size:27px}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%;min-height:48px}
  .trust-row{gap:8px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .quick-grid{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr;padding:16px;gap:8px}
  .spec-row .spec-status,.spec-row .spec-bar{grid-column:auto}
  .spec-metric{flex-direction:row;align-items:baseline;gap:8px}
  .dl-box{padding:26px 20px}
  .dl-btns{flex-direction:column}
  .dl-btns .btn{width:100%;min-height:48px}
  .related{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%;min-height:48px}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{font-size:14.5px;padding:18px 2px}
  .topbar .wrap{min-height:38px}
  .topbar p{font-size:12px}
}
@media (max-width:520px){
  .hero h1{font-size:24px}
  .sec-head h2{font-size:21px}
  .stat-card em{font-size:22px}
  .brand-text{font-size:15px}
}