/* roulang page: index */
:root{
  --bg-0:#0B0E0C;
  --bg-1:#121714;
  --surface:#1A211D;
  --surface-2:#212A24;
  --line:rgba(198,255,74,.18);
  --line-soft:rgba(255,255,255,.08);
  --primary:#C6FF4A;
  --primary-ink:#0B0E0C;
  --secondary:#FF6A3D;
  --text:#F4F7F2;
  --muted:#A8B2AA;
  --read-bg:#F7F5EF;
  --read-text:#1C211E;
  --read-muted:#59635C;
  --success:#45D483;
  --warning:#FFB020;
  --danger:#FF5C5C;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --r-xl:24px;
  --shadow-1:0 10px 30px rgba(0,0,0,.22);
  --shadow-2:0 18px 44px rgba(0,0,0,.30);
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-read:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --section-y:80px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:min(1240px,100% - 48px);margin-inline:auto}
.section{padding:var(--section-y) 0;border-bottom:1px solid var(--line-soft)}
.section:last-of-type{border-bottom:0}

/* ===== 顶部活动条 ===== */
.promo-bar{
  position:relative;z-index:60;height:36px;
  background:linear-gradient(90deg,#16200F,#0B0E0C 42%,#1B1109);
  border-bottom:1px solid var(--line);
  font-size:13px;display:flex;align-items:center;overflow:hidden;
}
.promo-inner{width:min(1240px,100% - 48px);margin:0 auto;display:flex;align-items:center;gap:16px}
.promo-badge{
  display:inline-flex;align-items:center;gap:6px;flex:none;
  padding:2px 9px;border-radius:999px;
  background:rgba(255,106,61,.16);color:var(--secondary);
  font-weight:600;letter-spacing:.2px;
}
.promo-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--secondary);box-shadow:0 0 8px var(--secondary)}
.countdown{display:flex;align-items:center;gap:5px;flex:none;color:var(--muted);font-variant-numeric:tabular-nums}
.countdown b{color:var(--primary);font-weight:700}
.marquee{flex:1;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:inline-flex;gap:44px;white-space:nowrap;animation:marquee 30s linear infinite;color:var(--muted)}
.marquee-track span{display:inline-flex;align-items:center;gap:8px}
.marquee-track span::before{content:"◆";color:var(--primary);font-size:9px}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,14,12,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.2px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),#7ED43A);
  color:var(--primary-ink);display:grid;place-items:center;
  font-size:16px;font-weight:800;
  box-shadow:0 0 0 1px rgba(198,255,74,.35),0 6px 18px rgba(198,255,74,.18);
}
.logo-text{white-space:nowrap}
.logo-badge{
  font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;
  border:1px solid var(--line);color:var(--primary);letter-spacing:.5px;
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 12px;border-radius:9px;
  font-size:15px;color:var(--muted);
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);box-shadow:0 0 10px var(--primary);
}
.nav-cta{display:flex;align-items:center;gap:12px;flex:none;margin-left:8px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  cursor:pointer;padding:0;place-items:center;gap:5px;
  flex-direction:column;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-weight:600;font-size:15px;cursor:pointer;line-height:1.2;
  transition:transform .18s,box-shadow .18s,background .18s,border-color .18s,color .18s;
}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(198,255,74,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(198,255,74,.22)}
.btn-secondary{background:var(--secondary);color:#1A0B04}
.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,106,61,.26)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-outline{background:rgba(255,255,255,.03);border-color:var(--line-soft);color:var(--text)}
.btn-outline:hover{border-color:var(--line);background:rgba(255,255,255,.06)}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:14px}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn.is-disabled,.btn[disabled]{opacity:.45;pointer-events:none}

/* ===== 首屏 ===== */
.hero{position:relative;overflow:hidden;padding:68px 0 84px;border-bottom:1px solid var(--line-soft)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.3}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(198,255,74,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(198,255,74,.07) 1px,transparent 1px);
  background-size:52px 52px;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,12,.55),rgba(11,14,12,.97))}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(198,255,74,.08);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.3px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--success);box-shadow:0 0 10px var(--success)}
.hero h1{
  margin-top:20px;
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.16;letter-spacing:-.5px;font-weight:800;
}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero .lead{margin-top:20px;font-size:17px;color:var(--muted);max-width:60ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;color:var(--muted);font-size:14px}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"✓";color:var(--primary);font-weight:700}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-xl);border:1px solid var(--line);
  box-shadow:var(--shadow-2);aspect-ratio:4/3;object-fit:cover;
}
.float-card{
  position:absolute;left:-16px;bottom:-18px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--shadow-2);
  min-width:180px;
}
.float-card strong{display:block;font-size:22px;color:var(--primary);line-height:1.2}
.float-card span{font-size:13px;color:var(--muted)}
.float-card.top{left:auto;right:-14px;bottom:auto;top:-16px}

/* ===== 价值条 ===== */
.value-bar{padding:32px 0;background:var(--bg-1);border-bottom:1px solid var(--line-soft)}
.value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.value-item{
  display:flex;gap:13px;align-items:flex-start;
  padding:16px 18px;border:1px solid var(--line-soft);border-radius:var(--r-md);
  background:rgba(255,255,255,.02);transition:border-color .2s,transform .2s;
}
.value-item:hover{border-color:var(--line);transform:translateY(-2px)}
.value-ico{
  width:38px;height:38px;flex:none;border-radius:11px;
  background:rgba(198,255,74,.12);color:var(--primary);
  display:grid;place-items:center;font-size:17px;font-weight:700;
}
.value-item h3{font-size:16px;font-weight:700;margin-bottom:2px}
.value-item p{font-size:13px;color:var(--muted);line-height:1.6}

/* ===== 通用板块头 ===== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-label{font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--primary);text-transform:uppercase}
.section-title{font-size:clamp(26px,3vw,34px);line-height:1.25;font-weight:800;margin-top:8px;letter-spacing:-.3px}
.section-desc{color:var(--muted);font-size:15px;max-width:62ch;margin-top:12px}

/* ===== 功能轮播 ===== */
.slider{position:relative}
.slider-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 20px;scrollbar-width:none;
}
.slider-track::-webkit-scrollbar{display:none}
.slide{
  flex:0 0 calc((100% - 60px)/3.2);
  scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.slide.is-active{transform:scale(1.025);border-color:var(--line);box-shadow:var(--shadow-2)}
.slide img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s}
.slide:hover img{transform:scale(1.04)}
.slide-body{padding:18px 20px 22px}
.slide-body h3{font-size:18px;font-weight:700;margin-bottom:6px}
.slide-body p{font-size:14px;color:var(--muted)}
.slide-tag{display:inline-block;margin-bottom:10px;font-size:12px;font-weight:600;color:var(--primary);border:1px solid var(--line);border-radius:999px;padding:2px 9px}
.slider-nav{display:flex;align-items:center;gap:14px;margin-top:8px}
.slider-arrow{
  width:42px;height:42px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text);display:grid;place-items:center;font-size:18px;
  transition:.2s;
}
.slider-arrow:hover{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.slider-dots{display:flex;gap:8px;margin-left:6px}
.dot{width:8px;height:8px;border-radius:50%;border:0;padding:0;cursor:pointer;background:rgba(255,255,255,.2);transition:.25s}
.dot.is-active{background:var(--primary);width:22px;border-radius:999px;box-shadow:0 0 10px rgba(198,255,74,.6)}

/* ===== 系统要求 ===== */
.spec-section{background:var(--bg-1)}
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.spec-card{background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:24px}
.spec-card h3{font-size:19px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.spec-card h3::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--primary)}
.spec-card > p{font-size:14px;color:var(--muted);margin-bottom:14px}
.spec-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.08);font-size:15px}
.spec-row:last-child{border-bottom:0}
.spec-row span:first-child{color:var(--muted)}
.spec-row span:last-child{font-weight:600;text-align:right}
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.tag-success{background:rgba(69,212,131,.14);color:var(--success)}
.tag-warning{background:rgba(255,176,32,.14);color:var(--warning)}
.tag-danger{background:rgba(255,92,92,.14);color:var(--danger)}
.tag-primary{background:rgba(198,255,74,.14);color:var(--primary)}
.tag-muted{background:rgba(255,255,255,.06);color:var(--muted)}

/* ===== 评价墙 ===== */
.review-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.filter-btn{
  padding:8px 16px;border-radius:999px;border:1px solid var(--line-soft);
  background:rgba(255,255,255,.03);color:var(--muted);font-size:14px;cursor:pointer;transition:.2s;
}
.filter-btn:hover{color:var(--text);border-color:var(--line)}
.filter-btn.is-active{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);font-weight:600}
.review-columns{columns:3;column-gap:20px}
.review-card{
  break-inside:avoid;margin-bottom:20px;
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-1);
  transition:border-color .2s,transform .2s;
}
.review-card:hover{border-color:var(--line);transform:translateY(-3px)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:none;display:grid;place-items:center;
  font-weight:800;color:var(--primary-ink);background:linear-gradient(135deg,var(--primary),#79D33A);
}
.review-name{font-weight:700;font-size:15px}
.review-device{font-size:12.5px;color:var(--muted)}
.stars{color:var(--warning);font-size:13px;letter-spacing:2px;margin-bottom:10px}
.review-card blockquote{margin:0;font-size:14.5px;color:#DDE4DD;line-height:1.75}
.review-card blockquote::before{content:"“";color:var(--primary);font-size:22px;line-height:0;vertical-align:-4px;margin-right:2px}

/* ===== 下载区 ===== */
.download-section{
  position:relative;overflow:hidden;
  background:var(--bg-1);border-bottom:1px solid var(--line-soft);
  padding:var(--section-y) 0;
}
.download-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:44px;align-items:center}
.dl-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.dl-note{margin-top:18px;font-size:13.5px;color:var(--muted)}
.qr-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;display:flex;gap:22px;align-items:center;box-shadow:var(--shadow-2);
}
.qr-svg{width:118px;height:118px;border-radius:12px;background:#fff;padding:6px;flex:none}
.qr-panel h3{font-size:17px;font-weight:700;margin-bottom:8px}
.qr-panel p{font-size:13.5px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--muted)}
.field input,.field textarea,.field select{
  background:rgba(255,255,255,.03);border:1px solid var(--line-soft);
  border-radius:var(--r-sm);padding:12px 14px;font-size:15px;
  transition:border-color .2s,background .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--primary);background:rgba(198,255,74,.06);
  box-shadow:0 0 0 3px rgba(198,255,74,.14);
}
.field textarea{min-height:110px;resize:vertical}
.form-hint{font-size:12.5px;color:var(--muted)}
.form-msg{margin-top:14px;font-size:14px;padding:12px 14px;border-radius:var(--r-sm);display:none}
.form-msg.is-success{display:block;background:rgba(69,212,131,.12);color:var(--success);border:1px solid rgba(69,212,131,.3)}
.form-msg.is-error{display:block;background:rgba(255,92,92,.12);color:var(--danger);border:1px solid rgba(255,92,92,.3)}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.news-card{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.news-card:hover{border-color:var(--line);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.news-card:first-child{grid-column:1 / -1}
.news-card:first-child h3{font-size:clamp(20px,2.2vw,24px)}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.news-card h3{font-size:18px;font-weight:700;line-height:1.45}
.news-card h3 a{transition:color .2s}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{font-size:14.5px;color:var(--muted);line-height:1.7}
.news-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);margin-top:2px}
.news-more::after{content:"→";transition:transform .2s}
.news-card:hover .news-more::after{transform:translateX(4px)}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:52px 24px;
  border:1px dashed var(--line);border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);color:var(--muted);
}
.empty-state strong{display:block;color:var(--text);font-size:17px;margin-bottom:8px}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line-soft);border-radius:var(--r-md);
  transition:border-color .2s,background .2s;
}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);opacity:0;transition:opacity .25s}
.faq-item[open]{border-color:var(--line);background:var(--surface-2)}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  cursor:pointer;list-style:none;position:relative;
  padding:19px 58px 19px 22px;font-size:16px;font-weight:600;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:22px;line-height:1;font-weight:400;
}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{color:var(--primary)}
.faq-answer{padding:0 58px 22px 22px;color:var(--muted);font-size:15px;line-height:1.8}

/* ===== CTA ===== */
.cta-section{position:relative;overflow:hidden;padding:76px 0}
.cta-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.26}
.cta-section::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,14,12,.96),rgba(11,14,12,.72))}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(26px,3.2vw,36px);font-weight:800;line-height:1.25;letter-spacing:-.4px}
.cta-inner p{color:var(--muted);margin-top:12px;font-size:16px;max-width:56ch}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:#080A09;border-top:1px solid var(--line-soft);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:42px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:34ch;line-height:1.75}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.6px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--primary)}
.footer-col li span{font-size:14px;color:var(--muted)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:18px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;
}
.footer-bottom a:hover{color:var(--primary)}

/* ===== 移动端吸底 ===== */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,14,12,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
.mobile-cta .btn{flex:1}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .slide{flex:0 0 calc((100% - 40px)/3)}
  .review-columns{columns:2}
}
@media (max-width:992px){
  :root{--section-y:64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:620px}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .spec-grid{grid-template-columns:1fr}
  .download-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .slide{flex:0 0 calc((100% - 20px)/2)}
}
@media (max-width:768px){
  :root{--section-y:56px}
  .container{width:min(1240px,100% - 32px)}
  .promo-inner{width:min(1240px,100% - 32px);gap:10px}
  .nav-inner{height:64px;gap:12px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#0F1310;border-bottom:1px solid var(--line);
    padding:14px 16px 20px;margin-left:0;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:transform .26s,opacity .26s;
    max-height:calc(100vh - 120px);overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{padding:12px 10px;font-size:15px}
  .nav-link.is-active::after{left:10px;right:auto;width:26px}
  .nav-cta .btn{display:none}
  .mobile-cta{display:flex}
  body{padding-bottom:74px}
  .hero{padding:48px 0 64px}
  .news-grid{grid-template-columns:1fr}
  .news-card:first-child{grid-column:auto}
  .review-columns{columns:1}
  .qr-panel{flex-direction:column;text-align:center}
  .cta-section{padding:60px 0}
}
@media (max-width:560px){
  .value-grid{grid-template-columns:1fr}
  .slide{flex:0 0 84%}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-actions .btn{width:100%}
  .dl-buttons .btn{width:100%}
  .float-card{position:static;margin-top:14px;left:auto;bottom:auto}
  .float-card.top{right:auto;top:auto}
  .footer-bottom{justify-content:flex-start}
  .marquee{display:none}
  .promo-inner{justify-content:space-between}
}
@media (max-width:420px){
  .hero h1{font-size:30px}
  .section-title{font-size:24px}
  .logo-text{font-size:16px}
  .logo-badge{display:none}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15px}
  .faq-answer{padding:0 20px 20px 18px}
}

/* roulang page: article */
:root{
  --bg-0:#0B0E0C;
  --bg-1:#121714;
  --surface:#1A211D;
  --line:rgba(198,255,74,.18);
  --primary:#C6FF4A;
  --primary-ink:#0B0E0C;
  --secondary:#FF6A3D;
  --text:#F4F7F2;
  --muted:#A8B2AA;
  --read-bg:#F7F5EF;
  --read-text:#1C211E;
  --read-muted:#59635C;
  --success:#45D483;
  --warning:#FFB020;
  --danger:#FF5C5C;
  --radius-1:10px;
  --radius-2:14px;
  --radius-3:18px;
  --radius-4:24px;
  --shadow-1:0 10px 30px rgba(0,0,0,.22);
  --shadow-2:0 18px 44px rgba(0,0,0,.3);
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-read:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--secondary);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 顶部活动条 ---------- */
.topbar{background:linear-gradient(90deg,#151B16,#0B0E0C 55%,#151B16);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:14px;min-height:38px;padding:6px 24px;flex-wrap:wrap}
.topbar-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;background:var(--secondary);color:#20120B;letter-spacing:.5px;
}
.topbar-text{font-size:13px;color:var(--muted);flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-count{
  font-size:12.5px;font-weight:700;color:var(--primary);letter-spacing:.6px;
  padding:3px 10px;border-radius:8px;border:1px solid var(--line);background:rgba(198,255,74,.06);
  font-variant-numeric:tabular-nums;
}

/* ---------- 站点导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,14,12,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 34px rgba(0,0,0,.5);background:rgba(11,14,12,.98)}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);color:var(--primary-ink);
  display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;
  box-shadow:0 6px 18px rgba(198,255,74,.28);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.logo-badge{
  font-size:11px;font-weight:700;letter-spacing:.6px;padding:2px 6px;border-radius:6px;
  border:1px solid var(--line);color:var(--primary);background:rgba(198,255,74,.08);
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 13px;border-radius:9px;font-size:15px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(198,255,74,.09)}
.nav-link.is-active{color:var(--primary)}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(198,255,74,.85);
}
.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:rgba(198,255,74,.06);align-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 24px rgba(198,255,74,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(198,255,74,.36)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(198,255,74,.24)}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-dark{background:#1C211E;color:var(--primary);border-color:rgba(198,255,74,.28)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(28,33,30,.22)}
.btn-lg{padding:15px 28px;font-size:16.5px;border-radius:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 文章主体 ---------- */
.article-main{
  background:linear-gradient(180deg,#121714 0,#121714 148px,#F7F5EF 340px,#F7F5EF 100%);
  color:var(--read-text);
  padding-bottom:0;
}
.article-breadcrumb-bar{padding:18px 0 26px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(244,247,242,.66)}
.breadcrumb a{color:rgba(244,247,242,.78);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:rgba(244,247,242,.55);max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.article-wrap{max-width:1020px;margin:0 auto;padding:0 24px 76px}
.article-card{
  background:#FFFFFF;
  border:1px solid rgba(28,33,30,.08);
  border-radius:var(--radius-4);
  box-shadow:0 16px 44px rgba(20,26,22,.12);
  padding:40px 42px 46px;
}
.article-head{border-bottom:1px solid rgba(28,33,30,.1);padding-bottom:24px;margin-bottom:30px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.5px;
  background:#1C211E;color:var(--primary);
}
.tag-soft{background:rgba(255,106,61,.14);color:#A83B14}
.article-head h1{
  font-family:var(--font-read);
  font-size:clamp(26px,3.6vw,38px);
  line-height:1.38;font-weight:700;color:var(--read-text);
  margin:16px 0 0;letter-spacing:.2px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:18px;
  font-size:13.5px;color:var(--read-muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta b{color:var(--read-text);font-weight:600}
.dot{width:5px;height:5px;border-radius:50%;background:var(--secondary);display:inline-block}

.article-body{
  max-width:780px;margin:0 auto;
  font-family:var(--font-read);
  font-size:17.5px;line-height:1.85;color:var(--read-text);
  word-break:break-word;
}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:24px;line-height:1.45;margin:2em 0 .75em;padding-left:14px;
  border-left:4px solid var(--secondary);color:var(--read-text);
}
.article-body h3{font-size:20px;line-height:1.5;margin:1.6em 0 .6em;color:#26302A}
.article-body h4{font-size:17.5px;margin:1.4em 0 .5em;color:#26302A}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body li::marker{color:#8CB82A}
.article-body a{color:#2F6B1F;border-bottom:1px solid rgba(47,107,31,.35);transition:color .2s ease,border-color .2s ease}
.article-body a:hover{color:#1F4A13;border-color:#1F4A13}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;border-radius:0 14px 14px 0;
  background:rgba(198,255,74,.16);border-left:4px solid #A8D62F;color:#2C352C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-2);margin:1.5em auto;box-shadow:0 14px 34px rgba(28,33,30,.16)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13.5px;color:var(--read-muted);text-align:center;margin-top:10px;font-family:var(--font-sans)}
.article-body hr{border:0;border-top:1px dashed rgba(28,33,30,.2);margin:2.2em 0}
.article-body code{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14.5px;
  background:rgba(28,33,30,.07);padding:2px 6px;border-radius:6px;
}
.article-body pre{
  background:#1C211E;color:#E7F3D8;padding:16px 18px;border-radius:var(--radius-2);
  overflow:auto;font-size:14.5px;line-height:1.7;margin:1.5em 0;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-family:var(--font-sans);font-size:15px}
.article-body th,.article-body td{border:1px solid rgba(28,33,30,.14);padding:11px 14px;text-align:left}
.article-body th{background:rgba(198,255,74,.16);font-weight:600}

.article-body--empty{text-align:center;padding:26px 0 8px;font-family:var(--font-sans)}
.article-body--empty h2{
  border-left:0;padding-left:0;margin:0 0 12px;font-size:24px;text-align:center;
}
.article-body--empty p{color:var(--read-muted);margin-bottom:22px}
.article-body--empty .empty-ico{
  width:58px;height:58px;border-radius:18px;margin:0 auto 18px;
  display:grid;place-items:center;background:rgba(255,106,61,.14);color:#A83B14;
  font-size:24px;font-weight:800;
}

/* ---------- 相关推荐 ---------- */
.related{margin-top:52px}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:22px;color:var(--read-text);letter-spacing:.3px}
.related-head span{font-size:13.5px;color:var(--read-muted)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;flex-direction:column;background:#FFFFFF;border:1px solid rgba(28,33,30,.09);
  border-radius:var(--radius-3);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(20,26,22,.18);border-color:#A8D62F}
.related-card .rc-thumb{overflow:hidden;aspect-ratio:16/9;background:#E6E3DA}
.related-card .rc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .rc-thumb img{transform:scale(1.05)}
.rc-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rc-body h3{font-size:16.5px;line-height:1.5;color:var(--read-text)}
.rc-body p{font-size:14px;line-height:1.7;color:var(--read-muted);flex:1}
.rc-time{font-size:12.5px;color:#87908A;letter-spacing:.3px}

/* ---------- 下载 CTA ---------- */
.article-download{
  margin-top:44px;position:relative;overflow:hidden;
  border-radius:var(--radius-4);border:1px solid var(--line);
  background:#121714;color:var(--text);padding:38px 40px;
}
.article-download::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.16;
}
.article-download::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(120% 130% at 100% 0%,rgba(198,255,74,.16),transparent 58%);
}
.article-download > *{position:relative;z-index:1}
.article-download h2{font-size:24px;line-height:1.4;margin-bottom:10px}
.article-download p{color:var(--muted);font-size:15px;max-width:620px;margin-bottom:24px}
.dl-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.qr-box{
  display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius-2);
  border:1px dashed var(--line);background:rgba(198,255,74,.05);
}
.qr-img{
  width:64px;height:64px;border-radius:10px;object-fit:cover;
  background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;
  border:1px solid rgba(198,255,74,.3);
}
.qr-meta{font-size:13px;color:var(--muted);line-height:1.5}
.qr-meta b{display:block;color:var(--text);font-size:14px}

/* ---------- 返回入口 & 页脚 ---------- */
.article-back{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0;color:var(--text)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.8;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col li{font-size:14px;color:var(--muted)}
.footer-col a{color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.07);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- 移动端吸底 ---------- */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  padding:10px 16px;background:rgba(11,14,12,.94);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
}
.mobile-cta-bar .btn{width:100%}

/* ---------- 断点 ---------- */
@media (max-width:1200px){
  .article-wrap{max-width:960px}
}
@media (max-width:992px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-card{padding:34px 30px 38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:860px){
  .nav-menu{
    position:fixed;top:0;right:0;width:min(320px,86vw);height:100vh;
    margin-left:0;padding:88px 22px 32px;gap:4px;
    flex-direction:column;align-items:stretch;
    background:var(--bg-1);border-left:1px solid var(--line);
    transform:translateX(100%);transition:transform .3s ease;z-index:70;
    box-shadow:-20px 0 50px rgba(0,0,0,.5);
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-link{width:100%;padding:13px 14px;font-size:16px}
  .nav-link.is-active::after{left:14px;right:auto;width:22px}
  .nav-toggle{display:flex}
  .nav-cta .btn-primary{display:none}
  .article-main{background:linear-gradient(180deg,#121714 0,#121714 128px,#F7F5EF 300px,#F7F5EF 100%)}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .topbar-inner{padding:8px 18px}
  .topbar-text{white-space:normal;overflow:visible;text-overflow:clip;font-size:12.5px}
  .article-card{padding:26px 20px 32px;border-radius:var(--radius-3)}
  .article-body{font-size:17px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18.5px}
  .related-grid{grid-template-columns:1fr}
  .article-download{padding:28px 22px}
  .dl-row .btn{flex:1 1 calc(50% - 12px)}
  .qr-box{width:100%}
  .related-head{flex-direction:column;align-items:flex-start;gap:6px}
  .mobile-cta-bar{display:block}
  body{padding-bottom:74px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .logo-text{font-size:16px}
  .article-head h1{font-size:24px}
  .article-meta{gap:8px 16px;font-size:13px}
  .article-wrap{padding:0 16px 60px}
  .breadcrumb .current{max-width:180px}
  .article-body{font-size:16.5px;line-height:1.82}
  .article-body blockquote{padding:14px 16px}
  .article-back .btn{width:100%}
}
@media (max-width:420px){
  .topbar-count{font-size:11.5px}
  .article-card{padding:22px 16px 28px}
  .dl-row .btn{flex:1 1 100%}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0E0C;
  --bg-1:#121714;
  --surface:#1A211D;
  --surface-2:#202823;
  --line:rgba(198,255,74,.18);
  --line-soft:rgba(255,255,255,.08);
  --primary:#C6FF4A;
  --primary-ink:#0B0E0C;
  --secondary:#FF6A3D;
  --text:#F4F7F2;
  --muted:#A8B2AA;
  --success:#45D483;
  --warning:#FFB020;
  --danger:#FF5C5C;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --radius-xl:24px;
  --shadow:0 10px 30px rgba(0,0,0,.22);
  --shadow-hover:0 18px 44px rgba(0,0,0,.3);
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --container:1240px;
  --space-section:80px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.28;font-weight:700}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--primary);color:var(--primary-ink)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}

/* ---------- 顶部活动条 ---------- */
.top-bar{
  background:linear-gradient(90deg,#141a15 0%,#0c0f0d 55%,#161b14 100%);
  border-bottom:1px solid var(--line-soft);
  font-size:13px;
  color:var(--muted);
}
.top-bar-inner{display:flex;align-items:center;gap:14px;height:38px;overflow:hidden}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--primary);flex:0 0 7px;
  box-shadow:0 0 0 4px rgba(198,255,74,.14);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.top-label{color:var(--text);font-weight:600;white-space:nowrap}
.top-divider{width:1px;height:14px;background:var(--line-soft);flex:0 0 1px}
.top-marquee{flex:1 1 auto;overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:48px;white-space:nowrap;animation:marquee 26s linear infinite;width:max-content}
.marquee-track span{color:var(--muted)}
.marquee-track span::before{content:"◆";color:var(--secondary);margin-right:8px;font-size:10px}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.top-countdown{display:flex;align-items:center;gap:8px;white-space:nowrap}
.top-countdown strong{color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,14,12,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),#8fd21f);
  color:var(--primary-ink);font-weight:800;font-size:17px;
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(198,255,74,.24);
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.02em}
.logo-badge{
  font-size:11px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);border:1px solid var(--line);
  border-radius:999px;padding:2px 8px;line-height:1.5;
  background:rgba(198,255,74,.06);
}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(198,255,74,.08)}
.nav-link.is-active{color:var(--primary);background:rgba(198,255,74,.08)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--primary);box-shadow:0 0 12px var(--primary);
}
.nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-soft);background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#a9e633);
  color:var(--primary-ink);
  box-shadow:0 8px 22px rgba(198,255,74,.2);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(198,255,74,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(198,255,74,.22)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--primary)}
.btn-outline:hover{border-color:var(--primary);background:rgba(198,255,74,.08);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-soft);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-lg{padding:16px 30px;font-size:17px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  border:1px solid var(--line-soft);color:var(--muted);
  background:rgba(255,255,255,.03);
}
.tag-primary{color:var(--primary);border-color:var(--line);background:rgba(198,255,74,.08)}
.tag-warm{color:var(--secondary);border-color:rgba(255,106,61,.28);background:rgba(255,106,61,.08)}
.tag-ok{color:var(--success);border-color:rgba(69,212,131,.3);background:rgba(69,212,131,.08)}
.tag-warn{color:var(--warning);border-color:rgba(255,176,32,.3);background:rgba(255,176,32,.08)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--space-section) 0;border-top:1px solid var(--line-soft)}
.section-head{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.section-head h2{font-size:clamp(26px,3vw,34px)}
.section-head p{color:var(--muted);margin-top:14px;font-size:16px}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);flex-wrap:wrap}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.24)}
.breadcrumb .current{color:var(--text)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.3;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 12% 8%,rgba(198,255,74,.14),transparent 62%),
    radial-gradient(700px 420px at 92% 92%,rgba(255,106,61,.12),transparent 60%),
    linear-gradient(180deg,rgba(11,14,12,.72),rgba(11,14,12,.96));
}
.hero-inner{position:relative;z-index:2;padding:44px 0 76px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;margin-top:30px}
.hero h1{font-size:clamp(32px,4.4vw,52px);letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{color:var(--muted);font-size:17px;margin-top:18px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.stat{
  background:rgba(26,33,29,.72);
  border:1px solid var(--line-soft);border-radius:var(--radius-m);
  padding:16px 18px;
}
.stat strong{display:block;font-size:20px;color:var(--primary);letter-spacing:.01em}
.stat span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-shot{
  border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-hover);
  background:var(--surface);
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{
  position:absolute;left:-18px;bottom:24px;
  background:rgba(18,23,20,.94);
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:14px 18px;box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.hero-float strong{display:block;font-size:15px;color:var(--primary)}
.hero-float span{font-size:12.5px;color:var(--muted)}

/* ---------- 价值条 ---------- */
.value-strip{padding:44px 0;border-bottom:1px solid var(--line-soft);background:rgba(18,23,20,.6)}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.value-item{display:flex;gap:14px;align-items:flex-start}
.value-num{
  font-size:13px;font-weight:800;color:var(--primary);
  border:1px solid var(--line);border-radius:9px;
  padding:4px 8px;line-height:1.4;flex:0 0 auto;background:rgba(198,255,74,.06);
}
.value-item h3{font-size:16px;margin-bottom:6px}
.value-item p{font-size:14px;color:var(--muted);line-height:1.65}

/* ---------- 下载方式 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dl-card{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius-l);padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dl-card:hover{transform:translateY(-3px);border-color:var(--line);box-shadow:var(--shadow-hover)}
.dl-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-weight:800;font-size:14px;
  background:rgba(198,255,74,.1);color:var(--primary);border:1px solid var(--line);
}
.dl-card h3{font-size:18px}
.dl-card p{font-size:14px;color:var(--muted);line-height:1.7}
.dl-card .dl-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.dl-size{font-size:13px;color:var(--muted)}
.qr-box{
  width:92px;height:92px;border-radius:12px;background:#fff;position:relative;padding:8px;
}
.qr-box::before{
  content:"";position:absolute;inset:8px;
  background-image:
    repeating-linear-gradient(90deg,#0B0E0C 0 6px,transparent 6px 12px),
    repeating-linear-gradient(0deg,#0B0E0C 0 6px,transparent 6px 12px);
}
.qr-box::after{
  content:"";position:absolute;left:50%;top:50%;width:20px;height:20px;
  transform:translate(-50%,-50%);background:#fff;border:3px solid #0B0E0C;border-radius:4px;
}

/* ---------- 版本卡片 ---------- */
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver-card{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius-l);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.ver-card:hover{transform:translateY(-3px);border-color:var(--line);box-shadow:var(--shadow-hover)}
.ver-cover{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);position:relative}
.ver-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ver-card:hover .ver-cover img{transform:scale(1.04)}
.ver-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,14,12,0) 45%,rgba(11,14,12,.55))}
.ver-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.ver-tags{display:flex;gap:8px;flex-wrap:wrap}
.ver-body h3{font-size:19px}
.ver-body p{font-size:14px;color:var(--muted);line-height:1.7}
.ver-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--muted);
}
.ver-link{color:var(--primary);font-weight:600;transition:opacity .2s ease}
.ver-link:hover{opacity:.78}

/* ---------- 安装流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:flow}
.flow-item{
  position:relative;padding:26px 22px 24px;
  background:linear-gradient(180deg,rgba(26,33,29,.9),rgba(18,23,20,.9));
  border:1px solid var(--line-soft);border-radius:var(--radius-l);
  transition:border-color .25s ease,transform .25s ease;
}
.flow-item:hover{border-color:var(--line);transform:translateY(-3px)}
.flow-step{
  font-size:26px;font-weight:800;color:rgba(198,255,74,.32);
  letter-spacing:.06em;margin-bottom:10px;display:block;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 系统要求 ---------- */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.spec-panel{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius-l);padding:8px 24px 18px;
}
.spec-panel h3{
  font-size:17px;padding:18px 0 14px;border-bottom:1px solid var(--line-soft);
  display:flex;align-items:center;gap:10px;
}
.spec-panel h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.spec-row{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 0;border-bottom:1px solid var(--line-soft);font-size:15px;
}
.spec-row:last-child{border-bottom:0}
.spec-row span:first-child{color:var(--muted);flex:0 0 auto}
.spec-row span:last-child{text-align:right;display:flex;align-items:center;gap:10px;justify-content:flex-end;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line-soft);
  border-radius:var(--radius-m);overflow:hidden;margin-bottom:12px;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:var(--line)}
.faq-item.is-open{border-color:var(--line);background:var(--surface-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 22px;text-align:left;
  font-size:17px;font-weight:600;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);
  box-shadow:0 0 12px var(--primary);opacity:0;transition:opacity .25s ease;
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);transition:border-color .25s ease,background .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:6px;right:6px;top:50%;height:2px;transform:translateY(-50%)}
.faq-icon::after{top:6px;bottom:6px;left:50%;width:2px;transform:translateX(-50%)}
.faq-item.is-open .faq-icon{background:rgba(198,255,74,.1)}
.faq-item.is-open .faq-icon::after{transform:translateX(-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-inner{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;max-width:780px}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-xl);
  background:var(--bg-1);
}
.cta-band-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,14,12,.94) 0%,rgba(11,14,12,.78) 60%,rgba(198,255,74,.08) 100%);
}
.cta-inner{position:relative;z-index:2;padding:46px;display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.cta-copy h2{font-size:clamp(24px,2.7vw,32px)}
.cta-copy p{color:var(--muted);margin-top:14px;font-size:15.5px}
.cta-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.platform-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

.form-card{
  background:rgba(18,23,20,.9);border:1px solid var(--line-soft);
  border-radius:var(--radius-l);padding:26px;
}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--muted)}
.field input,.field textarea{
  background:rgba(11,14,12,.7);border:1px solid var(--line-soft);
  border-radius:var(--radius-s);padding:12px 14px;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:96px}
.field input::placeholder,.field textarea::placeholder{color:rgba(168,178,170,.55)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(198,255,74,.16);
}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px}
.form-status{font-size:13.5px;margin-top:14px;display:none}
.form-status.is-ok{display:block;color:var(--success)}
.form-status.is-error{display:block;color:var(--danger)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line-soft);background:var(--bg-1);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- 移动端吸底 ---------- */
.mobile-dock{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(11,14,12,.96);border-top:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.mobile-dock .btn{flex:1}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--space-section:72px}
  .hero-grid{gap:40px}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  :root{--space-section:64px}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(18,23,20,.98);
    border-bottom:1px solid var(--line);
    padding:0 20px;max-height:0;overflow:hidden;
    opacity:0;visibility:hidden;
    transition:max-height .32s ease,opacity .25s ease,visibility .3s ease,padding .3s ease;
  }
  .nav-menu.is-open{max-height:360px;opacity:1;visibility:visible;padding:12px 20px 20px}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:15.5px}
  .nav-link.is-active::after{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:-1}
  .hero-shot img{aspect-ratio:16/9}
  .hero-float{left:12px;bottom:14px}
  .value-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .ver-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;padding:36px;gap:34px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
}
@media (max-width:768px){
  :root{--space-section:52px;--gutter:16px}
  .top-marquee{display:none}
  .top-countdown{margin-left:auto}
  body{padding-bottom:76px}
  .nav-inner{height:62px;gap:14px}
  .logo-text{font-size:16px}
  .nav-cta .btn-primary{display:none}
  .hero-inner{padding:28px 0 56px}
  .hero-stats{grid-template-columns:1fr;gap:10px}
  .value-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:1fr}
  .ver-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr}
  .cta-inner{padding:26px 20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-dock{display:flex}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .hero h1{font-size:30px}
  .section-head h2{font-size:24px}
  .btn-lg{padding:14px 22px;font-size:16px}
  .hero-actions .btn{width:100%}
  .value-strip{padding:34px 0}
  .spec-panel{padding:6px 18px 14px}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (max-width:420px){
  .logo-text{font-size:15px}
  .logo-badge{display:none}
  .tag{font-size:12px;padding:3px 9px}
  .stat strong{font-size:18px}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B0E0C;
  --bg-1:#121714;
  --surface:#1A211D;
  --surface-2:#202822;
  --line:rgba(198,255,74,.18);
  --line-soft:rgba(255,255,255,.08);
  --primary:#C6FF4A;
  --primary-ink:#0B0E0C;
  --secondary:#FF6A3D;
  --text:#F4F7F2;
  --muted:#A8B2AA;
  --read-bg:#F7F5EF;
  --read-text:#1C211E;
  --read-muted:#59635C;
  --success:#45D483;
  --warning:#FFB020;
  --danger:#FF5C5C;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --radius-xl:24px;
  --shadow:0 10px 30px rgba(0,0,0,.22);
  --shadow-hover:0 18px 44px rgba(0,0,0,.3);
  --container:1240px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
input,textarea{font:inherit}
::selection{background:var(--primary);color:var(--primary-ink)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:80px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.section-head{max-width:760px;margin-bottom:38px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:16px;
  background:rgba(198,255,74,.06);
}
.section-title{font-size:clamp(26px,3.2vw,34px);line-height:1.28;letter-spacing:-.01em}
.section-sub{color:var(--muted);margin-top:14px;font-size:16px}

/* 顶部活动条 */
.activity-bar{
  position:sticky;top:0;z-index:60;height:36px;
  background:linear-gradient(90deg,rgba(198,255,74,.14),rgba(255,106,61,.14));
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.activity-inner{display:flex;align-items:center;gap:16px;height:36px;font-size:13px;color:var(--text)}
.activity-tag{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  background:var(--primary);color:var(--primary-ink);
  font-weight:700;font-size:12px;padding:3px 10px;border-radius:999px;
}
.activity-roll{flex:1 1 auto;overflow:hidden;white-space:nowrap;position:relative;height:20px;color:var(--muted)}
.activity-roll span{
  display:inline-block;padding-left:100%;white-space:nowrap;
  animation:rolltext 26s linear infinite;
}
@keyframes rolltext{0%{transform:translateX(0)}100%{transform:translateX(-100%)}}
.activity-count{flex:0 0 auto;color:var(--primary);font-variant-numeric:tabular-nums;font-weight:600}

/* 导航 */
.site-header{
  position:sticky;top:36px;z-index:55;
  background:rgba(11,14,12,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.01em}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#8fe016);
  color:var(--primary-ink);font-weight:900;font-size:18px;
  box-shadow:0 6px 18px rgba(198,255,74,.28);
}
.logo-text{font-size:17px;white-space:nowrap}
.logo-badge{
  font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;
  border:1px solid var(--line);color:var(--primary);letter-spacing:.08em;
}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;border-radius:8px;
  color:var(--muted);font-size:15px;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-primary{background:var(--primary);color:var(--primary-ink);box-shadow:0 8px 22px rgba(198,255,74,.2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(198,255,74,.34)}
.btn-outline{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-ghost{color:var(--muted)}
.btn-ghost:hover{color:var(--primary)}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:14px}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:26px}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text)}

/* 分类 Banner */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line-soft);
  background:
    linear-gradient(180deg,rgba(11,14,12,.82),rgba(11,14,12,.96)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(198,255,74,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(198,255,74,.055) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 70% 20%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 20%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.35fr .95fr;
  gap:48px;align-items:center;padding:52px 0 66px;
}
.hero-tagline{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--line);background:rgba(198,255,74,.07);
  color:var(--primary);font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-tagline .dot{width:7px;height:7px;border-radius:50%;background:var(--secondary);box-shadow:0 0 0 4px rgba(255,106,61,.18)}
.hero-title{font-size:clamp(32px,4.6vw,52px);line-height:1.16;letter-spacing:-.02em}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-lead{color:var(--muted);font-size:17px;margin-top:20px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:30px;margin-top:34px;padding-top:26px;border-top:1px dashed var(--line-soft)}
.stat-num{font-size:26px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13px;color:var(--muted);margin-top:2px}
.hero-panel{
  background:linear-gradient(160deg,rgba(26,33,29,.95),rgba(18,23,20,.92));
  border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:24px;box-shadow:var(--shadow);
}
.hero-panel-title{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.hero-panel-title .bar{width:4px;height:16px;border-radius:3px;background:var(--primary)}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--muted);padding:9px 0;border-bottom:1px dashed var(--line-soft);
}
.check-list li:last-child{border-bottom:0}
.check-list .ck{color:var(--success);flex:0 0 auto;font-weight:700}
.hero-panel-foot{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}

/* 筛选与模块长卡 */
.module-layout{display:grid;grid-template-columns:264px 1fr;gap:32px;align-items:start}
.filter-panel{
  position:sticky;top:132px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:22px;
}
.panel-title{font-size:15px;font-weight:700;margin-bottom:6px}
.panel-note{font-size:13px;color:var(--muted);margin-bottom:16px}
.filter-list{display:flex;flex-direction:column;gap:8px}
.filter-btn{
  text-align:left;padding:11px 14px;border-radius:11px;font-size:14px;color:var(--muted);
  border:1px solid transparent;background:rgba(255,255,255,.02);
  transition:color .2s ease,background .2s ease,border-color .2s ease,transform .18s ease;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.filter-btn:hover{color:var(--text);border-color:var(--line);transform:translateX(2px)}
.filter-btn.is-active{background:rgba(198,255,74,.12);border-color:var(--line);color:var(--primary);font-weight:600}
.filter-btn .cnt{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.filter-btn.is-active .cnt{color:var(--primary)}
.panel-cta{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line-soft);
}
.panel-cta p{font-size:13px;color:var(--muted);margin-bottom:12px}
.panel-cta .btn{width:100%}

.module-list{display:flex;flex-direction:column;gap:18px;min-height:200px}
.module-card{
  display:grid;grid-template-columns:228px 1fr;gap:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:20px;transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.module-card:hover{transform:translateY(-3px);border-color:rgba(198,255,74,.42);box-shadow:var(--shadow-hover)}
.module-card.is-hidden{display:none}
.module-thumb{position:relative;border-radius:var(--radius-m);overflow:hidden;aspect-ratio:4/3;background:var(--bg-1)}
.module-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.module-card:hover .module-thumb img{transform:scale(1.04)}
.module-thumb .platform{
  position:absolute;left:10px;top:10px;font-size:11px;font-weight:700;
  background:rgba(11,14,12,.78);color:var(--primary);border:1px solid var(--line);
  padding:3px 9px;border-radius:999px;backdrop-filter:blur(4px);
}
.module-body{display:flex;flex-direction:column;min-width:0}
.module-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.tag{
  font-size:12px;padding:3px 10px;border-radius:999px;
  border:1px solid var(--line-soft);color:var(--muted);background:rgba(255,255,255,.03);
}
.tag-accent{border-color:var(--line);color:var(--primary);background:rgba(198,255,74,.08)}
.module-title{font-size:20px;line-height:1.35;letter-spacing:-.01em}
.module-title a{transition:color .2s ease}
.module-title a:hover{color:var(--primary)}
.module-desc{color:var(--muted);font-size:15px;margin-top:10px}
.module-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line-soft);
}
.module-meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:14px}
.module-meta b{color:var(--text);font-weight:600}
.link-arrow{
  margin-left:auto;font-size:14px;color:var(--primary);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease;
}
.link-arrow:hover{gap:10px}
.empty-note{
  border:1px dashed var(--line);border-radius:var(--radius-l);
  padding:34px;text-align:center;color:var(--muted);font-size:15px;background:rgba(255,255,255,.02);
}
.empty-note strong{color:var(--text);display:block;margin-bottom:8px;font-size:17px}

/* 指标条 */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft);
  border-radius:var(--radius-l);overflow:hidden;margin-top:8px;
}
.metric{background:var(--bg-1);padding:26px 22px}
.metric-num{font-size:28px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.15}
.metric-num span{font-size:14px;color:var(--muted);font-weight:600;margin-left:4px}
.metric-label{font-size:14px;margin-top:6px}
.metric-note{font-size:13px;color:var(--muted);margin-top:4px}

/* 规格清单 */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.spec-col{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);padding:24px;
}
.spec-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.spec-head h3{font-size:20px}
.spec-head .status{font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--primary);background:rgba(198,255,74,.08)}
.spec-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px dashed var(--line-soft);font-size:15px;
}
.spec-row:last-child{border-bottom:0;padding-bottom:0}
.spec-name{color:var(--muted);flex:0 0 108px}
.spec-val{text-align:right;flex:1 1 auto}
.tag-ok{
  display:inline-block;font-size:12px;padding:2px 9px;border-radius:999px;margin-left:8px;
  color:var(--success);background:rgba(69,212,131,.12);border:1px solid rgba(69,212,131,.3);
}
.tag-no{
  display:inline-block;font-size:12px;padding:2px 9px;border-radius:999px;margin-left:8px;
  color:var(--danger);background:rgba(255,92,92,.12);border:1px solid rgba(255,92,92,.3);
}
.tag-warn{
  display:inline-block;font-size:12px;padding:2px 9px;border-radius:999px;margin-left:8px;
  color:var(--warning);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.3);
}

/* 流程 */
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:24px 22px;transition:transform .24s ease,border-color .24s ease;
}
.step-item:hover{transform:translateY(-3px);border-color:rgba(198,255,74,.42)}
.step-num{
  font-size:13px;font-weight:800;color:var(--primary-ink);background:var(--primary);
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;margin-bottom:14px;
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--muted)}
.step-item::after{
  content:"";position:absolute;right:-11px;top:38px;width:10px;height:1px;background:var(--line);
}
.step-item:last-child::after{display:none}

/* 下载 CTA */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  border:1px solid var(--line);
  background:
    linear-gradient(120deg,rgba(18,23,20,.95),rgba(11,14,12,.9)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:46px;display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;
}
.cta-block::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.28),transparent 68%);
  pointer-events:none;
}
.cta-title{font-size:clamp(24px,3vw,32px);line-height:1.3}
.cta-text{color:var(--muted);margin-top:14px;max-width:620px}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{
  position:relative;z-index:1;background:rgba(26,33,29,.86);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:22px;text-align:center;
}
.cta-side .qr{
  width:118px;height:118px;margin:0 auto 14px;border-radius:14px;
  background:
    repeating-linear-gradient(0deg,#0B0E0C 0 6px,#1A211D 6px 12px),
    repeating-linear-gradient(90deg,#0B0E0C 0 6px,#1A211D 6px 12px);
  border:1px solid var(--line);
  display:grid;place-items:center;color:var(--primary);font-size:12px;font-weight:700;letter-spacing:.1em;
}
.cta-side p{font-size:13px;color:var(--muted)}
.cta-side strong{display:block;font-size:15px;color:var(--text);margin-bottom:6px}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line-soft);border-left:3px solid transparent;
  border-radius:var(--radius-m);overflow:hidden;transition:border-color .24s ease,background .24s ease;
}
.faq-item.is-open{border-left-color:var(--primary);background:var(--surface-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .24s ease,opacity .24s ease;
}
.faq-icon::before{width:9px;height:2px}
.faq-icon::after{width:2px;height:9px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.75}
.faq-item.is-open .faq-a{max-height:320px}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line-soft);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:360px}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{color:var(--muted);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  color:var(--muted);font-size:13px;
}

/* 移动端吸底 CTA */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(11,14,12,.94);border-top:1px solid var(--line);
  padding:10px 14px;gap:10px;align-items:center;justify-content:space-between;
  backdrop-filter:blur(10px);
}
.mobile-bar span{font-size:13px;color:var(--muted)}
.mobile-bar .btn{flex:0 0 auto}

/* 状态样式 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line-soft);color:var(--muted)}
.badge-live{color:var(--success);border-color:rgba(69,212,131,.32);background:rgba(69,212,131,.1)}
.badge-warn{color:var(--warning);border-color:rgba(255,176,32,.32);background:rgba(255,176,32,.1)}
.divider{height:1px;background:var(--line-soft);border:0;margin:0}

/* 响应式 */
@media (max-width:1200px){
  .hero-grid{grid-template-columns:1.2fr .9fr;gap:36px}
  .module-layout{grid-template-columns:236px 1fr;gap:24px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:992px){
  .section{padding:64px 0}
  .nav-menu{
    position:fixed;left:0;right:0;top:108px;z-index:54;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(11,14,12,.97);border-bottom:1px solid var(--line);
    padding:16px 20px 26px;
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:opacity .22s ease,transform .22s ease;
    max-height:calc(100vh - 108px);overflow-y:auto;
  }
  .nav-menu.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-link{padding:14px 12px;font-size:16px}
  .nav-link::after{left:12px;right:auto;width:26px;bottom:8px}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;padding:44px 0 54px}
  .hero-panel{order:-1}
  .module-layout{grid-template-columns:1fr}
  .filter-panel{position:static;padding:18px}
  .filter-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;scrollbar-width:thin}
  .filter-btn{flex:0 0 auto;white-space:nowrap}
  .filter-btn .cnt{display:none}
  .panel-cta{display:flex;align-items:center;justify-content:space-between;gap:16px}
  .panel-cta p{margin:0}
  .panel-cta .btn{width:auto}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .spec-grid{grid-template-columns:1fr}
  .step-list{grid-template-columns:repeat(2,1fr)}
  .step-item::after{display:none}
  .cta-block{grid-template-columns:1fr;padding:34px}
}
@media (max-width:768px){
  :root{--gutter:18px}
  .section{padding:54px 0}
  .activity-roll{display:none}
  .activity-inner{justify-content:space-between;gap:10px}
  .nav-inner{height:64px;gap:14px}
  .nav-menu{top:100px;max-height:calc(100vh - 100px)}
  .logo-text{font-size:15px}
  .nav-cta .btn-primary{display:none}
  .module-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .module-thumb{aspect-ratio:16/9}
  .module-foot{padding-top:14px}
  .link-arrow{margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:1 / -1}
  .mobile-bar{display:flex}
  body{padding-bottom:66px}
  .cta-side{display:none}
}
@media (max-width:560px){
  .hero-title{font-size:30px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:20px}
  .stat-num{font-size:22px}
  .metric-strip{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .activity-count{font-size:12px}
  .faq-q{font-size:15px;padding:16px 16px}
  .faq-a p{padding:0 16px 16px}
}
@media (max-width:420px){
  .logo-badge{display:none}
  .hero-tagline{font-size:12px}
  .panel-cta{flex-direction:column;align-items:stretch}
  .panel-cta .btn{width:100%}
}