/* ========== JMComic2 · 深色科技线路主题 ========== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0A0E27;--bg-2:#111634;--bg-3:#1A1F45;
  --bg-alt:#0E1330;--card:rgba(20,26,60,.7);
  --ink:#E8ECF5;--ink-2:#B0B8D4;--muted:#7A82A8;
  --primary:#00D4FF;--primary-dark:#2563EB;--accent:#8B5CF6;
  --line:rgba(0,212,255,.2);--line-soft:rgba(139,92,246,.15);
  --font-sans:"Noto Sans SC",system-ui,sans-serif;
  --font-serif:"Noto Serif SC",serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--ink);background:var(--bg);line-height:1.7;overflow-x:hidden;position:relative}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:0}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* ===== 动态网络背景 ===== */
.net-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;
  background:radial-gradient(ellipse at 20% 20%,rgba(0,212,255,.08),transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(139,92,246,.1),transparent 50%),linear-gradient(160deg,#0A0E27 0%,#111634 50%,#0A0E27 100%)}
.grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.04) 1px,transparent 1px);background-size:60px 60px;animation:grid-move 30s linear infinite}
@keyframes grid-move{0%{background-position:0 0}100%{background-position:60px 60px}}
.node{position:absolute;width:8px;height:8px;background:var(--primary);border-radius:50%;box-shadow:0 0 12px var(--primary),0 0 24px rgba(0,212,255,.5)}
.node::before,.node::after{content:"";position:absolute;background:var(--primary);opacity:.3}
.node.n1{top:15%;left:10%;animation:node-pulse 3s infinite}
.node.n2{top:25%;left:70%;animation:node-pulse 4s infinite 1s}
.node.n3{top:50%;left:20%;animation:node-pulse 3.5s infinite .5s}
.node.n4{top:60%;left:80%;animation:node-pulse 4.5s infinite 1.5s}
.node.n5{top:80%;left:30%;animation:node-pulse 3s infinite 2s}
.node.n6{top:75%;left:65%;animation:node-pulse 4s infinite .8s}
@keyframes node-pulse{0%,100%{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.4)}}
.glow-ball{position:absolute;border-radius:50%;filter:blur(80px);opacity:.25}
.glow-ball.g1{width:350px;height:350px;top:10%;left:-80px;background:radial-gradient(circle,var(--primary),transparent 70%);animation:glow-float 8s ease-in-out infinite}
.glow-ball.g2{width:300px;height:300px;bottom:15%;right:-60px;background:radial-gradient(circle,var(--accent),transparent 70%);animation:glow-float 10s ease-in-out infinite 2s}
@keyframes glow-float{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-30px)}}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,14,39,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--primary)}
.brand img{width:40px;height:40px}
.site-nav{display:flex;gap:28px}
.site-nav a{font-size:.9rem;color:var(--ink-2);padding:.3rem 0;border-bottom:2px solid transparent;transition:.2s}
.site-nav a:hover{color:var(--primary);border-color:var(--primary)}
.nav-cta{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff!important;padding:.5rem 1.4rem;font-size:.9rem;font-weight:600;transition:.25s}
.nav-cta:hover{box-shadow:0 0 20px rgba(0,212,255,.4)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;width:44px;height:44px;justify-content:center;align-items:center}
.nav-toggle span{width:24px;height:2px;background:var(--ink);transition:.3s}
.m-menu{display:none;position:fixed;top:64px;left:0;right:0;background:var(--bg-2);flex-direction:column;padding:1rem 20px 1.5rem;border-bottom:1px solid var(--line);z-index:99}
.m-menu.open{display:flex}
.m-menu a{font-size:.92rem;color:var(--ink-2);padding:.75rem 0;border-bottom:1px solid var(--line);min-height:44px;display:flex;align-items:center}
.m-menu .nav-cta{justify-content:center;margin-top:.5rem;border-bottom:none;min-height:44px}

/* ===== Hero ===== */
.hero{padding:60px 0 50px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;color:var(--primary);background:rgba(0,212,255,.1);padding:.35rem .9rem;font-weight:600;letter-spacing:.02em}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(0,212,255,.2);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,212,255,.4)}70%{box-shadow:0 0 0 8px rgba(0,212,255,0)}100%{box-shadow:0 0 0 0 rgba(0,212,255,0)}}
.hero h1{font-family:var(--font-serif);font-size:clamp(2rem,6.5vw,3.6rem);font-weight:900;color:#fff;line-height:1.15;margin-bottom:1rem}
.hero h1 .sub{display:block;font-size:.3em;font-weight:500;color:var(--muted);margin-top:.4rem;letter-spacing:.05em}
.hero-desc{font-size:1rem;color:var(--ink-2);margin-bottom:1.8rem;max-width:520px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:1.5rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.8rem;font-weight:700;font-size:.95rem;border:none;cursor:pointer;transition:.25s}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,212,255,.35)}
.btn-ghost{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-ghost:hover{background:var(--primary);color:#0A0E27}
.btn-lg{padding:1rem 2.2rem;font-size:1.05rem}
.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1.5rem}
.hero-pills span{font-size:.8rem;color:var(--primary);background:rgba(0,212,255,.08);border:1px solid var(--line);padding:.35rem .9rem}
.hero-stats{display:flex;gap:24px;flex-wrap:wrap}
.stat-item b{font-family:var(--font-serif);font-size:1.6rem;font-weight:900;color:var(--primary);display:block}
.stat-item span{font-size:.78rem;color:var(--muted)}
.hero-stage{display:flex;justify-content:center;align-items:center}
.hero-phone{position:relative;width:min(280px,70%);animation:phone-float 5s ease-in-out infinite}
.phone-frame{position:relative;background:#1a1f3a;padding:8px;box-shadow:0 24px 60px -16px rgba(0,212,255,.3)}
.phone-frame::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:70px;height:18px;background:#1a1f3a;z-index:2}
.phone-frame img{width:100%;height:auto}
.phone-glow{position:absolute;inset:-24px;background:radial-gradient(circle,rgba(0,212,255,.25),rgba(139,92,246,.15) 50%,transparent 70%);filter:blur(24px);z-index:-1;animation:phone-glow 4s ease-in-out infinite}
.phone-ripple{position:absolute;inset:-8px;border:2px solid rgba(0,212,255,.4);animation:phone-ripple 3s ease-out infinite}
@keyframes phone-float{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-18px) rotate(1deg)}}
@keyframes phone-glow{0%,100%{opacity:.6;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
@keyframes phone-ripple{0%{transform:scale(.95);opacity:.8}100%{transform:scale(1.25);opacity:0}}

/* ===== Sections ===== */
.sec{padding:70px 0;position:relative}
.sec-alt{background:rgba(14,19,48,.5)}
.sec-head{max-width:640px;margin:0 auto 40px;text-align:center}
.sec-head h2{font-family:var(--font-serif);font-size:clamp(1.7rem,4vw,2.3rem);font-weight:900;margin-bottom:.6rem;color:#fff}
.sec-sub{color:var(--muted);font-size:.92rem}

/* ===== Screenshots ===== */
.shots{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.shot-card{background:var(--card);border:1px solid var(--line);padding:12px;text-align:center;transition:.3s;backdrop-filter:blur(8px)}
.shot-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(0,212,255,.15);border-color:rgba(0,212,255,.4)}
.shot-card img{margin:0 auto;max-height:420px;object-fit:cover}
.shot-card figcaption{margin-top:.8rem;font-size:.85rem;font-weight:600;color:var(--ink-2)}
.shot-num{color:var(--primary);font-family:var(--font-serif);font-weight:900;margin-right:.3rem}

/* ===== Features ===== */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feat-card{background:var(--card);border:1px solid var(--line);padding:1.6rem;transition:.3s;backdrop-filter:blur(8px)}
.feat-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,212,255,.12);border-color:rgba(0,212,255,.4)}
.feat-ico{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:1rem}
.feat-card h3{font-size:1.1rem;margin-bottom:.5rem;color:#fff}
.feat-card p{font-size:.88rem;color:var(--muted)}

/* ===== Lines ===== */
.line-grid{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.line-card{background:var(--card);border:1px solid var(--line);padding:1.2rem 1.6rem;text-align:center;min-width:120px;transition:.3s;backdrop-filter:blur(8px)}
.line-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.line-card.active{border-color:var(--primary);box-shadow:0 0 20px rgba(0,212,255,.2)}
.line-num{font-family:var(--font-serif);font-size:1.8rem;font-weight:900;color:var(--primary)}
.line-name{font-size:.85rem;color:var(--ink-2);margin:.3rem 0}
.line-status{font-size:.75rem;padding:.15rem .6rem;background:rgba(0,212,255,.15);color:var(--primary);display:inline-block}
.line-tips{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.tip{font-size:.82rem;color:var(--muted);padding-left:18px;position:relative}
.tip::before{content:"▸";position:absolute;left:0;color:var(--primary)}

/* ===== Steps ===== */
.steps{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.step{flex:1;min-width:180px;max-width:220px;background:var(--card);border:1px solid var(--line);padding:1.5rem 1rem;text-align:center;transition:.3s;backdrop-filter:blur(8px)}
.step:hover{border-color:var(--primary);box-shadow:0 8px 20px rgba(0,212,255,.1)}
.step-num{font-family:var(--font-serif);font-size:1.8rem;font-weight:900;color:var(--primary);margin-bottom:.5rem}
.step h3{font-size:1rem;margin-bottom:.3rem;color:#fff}
.step p{font-size:.82rem;color:var(--muted)}
.step-arrow{color:var(--accent);font-size:1.4rem;font-weight:700}

/* ===== Spec ===== */
.spec-wrap{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.spec-table{background:var(--card);border:1px solid var(--line);overflow:hidden;backdrop-filter:blur(8px)}
.spec-row{display:flex;justify-content:space-between;padding:.85rem 1.2rem;border-bottom:1px solid var(--line-soft);font-size:.9rem}
.spec-row:last-child{border-bottom:none}
.spec-k{color:var(--muted)}
.spec-v{font-weight:600;color:var(--ink-2)}
.spec-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--card);border:1px solid var(--line);padding:1.4rem;text-align:center;backdrop-filter:blur(8px)}
.stat-num{font-family:var(--font-serif);font-size:1.8rem;font-weight:900;color:var(--primary)}
.stat-label{font-size:.82rem;color:var(--muted);margin-top:.3rem}

/* ===== Dock / CTA ===== */
.dock{background:linear-gradient(135deg,rgba(0,212,255,.12) 0%,rgba(10,14,39,.9) 60%);padding:60px 0;position:relative;overflow:hidden}
.dock::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(0,212,255,.12),transparent 50%),radial-gradient(circle at 80% 50%,rgba(139,92,246,.12),transparent 50%)}
.dock-inner{position:relative;text-align:center;max-width:640px;margin:0 auto}
.dock h2{font-family:var(--font-serif);font-size:clamp(1.8rem,4.5vw,2.5rem);font-weight:900;margin-bottom:.8rem;color:#fff}
.dock p{color:var(--ink-2);margin-bottom:1.8rem}
.dock-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ===== FAQ ===== */
.faq{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 1.4rem;cursor:pointer;font-weight:700;font-size:1rem;color:#fff;transition:.2s;min-height:44px}
.faq-q:hover{color:var(--primary)}
.faq-q .arrow{width:28px;height:28px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:400;flex-shrink:0;transition:.3s}
.faq-item.open .arrow{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{padding:0 1.4rem 1.2rem;color:var(--muted);font-size:.92rem}

/* ===== Reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review-card{background:var(--card);border:1px solid var(--line);padding:1.5rem;transition:.3s;backdrop-filter:blur(8px)}
.review-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,212,255,.1);border-color:rgba(0,212,255,.4)}
.review-avatar{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:1rem}
.review-body p{font-size:.9rem;color:var(--ink-2);margin-bottom:1rem;line-height:1.7}
.review-meta{font-size:.8rem;color:var(--muted)}

/* ===== Hot Search ===== */
.hot-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:760px;margin:0 auto}
.hot-tags a{font-size:.85rem;color:var(--ink-2);background:var(--card);border:1px solid var(--line);padding:.5rem 1rem;transition:.2s;backdrop-filter:blur(8px)}
.hot-tags a:hover{color:var(--primary);border-color:var(--primary);background:rgba(0,212,255,.08)}

/* ===== Footer ===== */
.site-footer{background:#050818;color:#fff;padding:40px 0 30px;border-top:1px solid var(--line)}
.footer-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding-bottom:1.5rem;border-bottom:1px solid var(--line)}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-name{font-weight:700;font-size:1.1rem;color:var(--primary)}
.footer-url{font-size:.78rem;color:var(--muted)}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{font-size:.82rem;color:var(--muted);transition:.2s;padding:.4rem 0;min-height:32px;display:inline-flex;align-items:center}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{padding-top:1.2rem;text-align:center}
.footer-copy{font-size:.82rem;color:var(--muted)}
.footer-tip{font-size:.75rem;color:#4A5178;margin-top:.4rem}

/* ===== Back to top ===== */
.back-top{position:fixed;bottom:24px;right:24px;width:46px;height:46px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:90;box-shadow:0 4px 16px rgba(0,212,255,.3);transition:.25s}
.back-top:hover{transform:translateY(-2px)}

/* ===== Reveal animation ===== */
.rev{opacity:1;transform:none;transition:opacity .6s,transform .6s}
.js .rev{opacity:0;transform:translateY(24px)}
.rev.is-in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:980px){
  .site-nav{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-stage{order:-1}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-btns,.hero-pills,.hero-stats{justify-content:center}
  .shots{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .spec-wrap{grid-template-columns:1fr}
  .steps{flex-direction:column}
  .step-arrow{transform:rotate(90deg)}
}
@media(max-width:560px){
  .hero{padding:36px 0 30px}
  .sec{padding:48px 0}
  .hero-phone{width:min(200px,70%)}
  .shots{grid-template-columns:1fr 1fr;gap:12px}
  .dock{padding:44px 0}
  .hero-pills span{font-size:.74rem}
  .hero-stats{gap:16px}
  .stat-item b{font-size:1.3rem}
  .footer-top{flex-direction:column;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .rev{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}