:root{
  --bg:#0c1016;
  --bg-soft:#121a24;
  --panel:#101824;
  --panel-2:#162033;
  --text:#e6e9f2;
  --muted:#b6bed4;
  --line:rgba(255,255,255,0.08);
  --accent:#ff8a3d;
  --accent-2:#4ad5ff;
  --warning:#ffd166;
  --good:#7cf07c;
  --shadow:0 18px 45px rgba(0,0,0,0.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}

.top-progress{position:fixed;top:0;left:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2));width:0;z-index:1000}

header{
  position:sticky;top:0;z-index:900;
  background:rgba(11,13,18,0.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)
}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.nav-links{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.nav-links a{padding:6px 10px;border-radius:999px;transition:all .2s}
.nav-links a:hover{background:var(--panel);color:var(--text)}
.nav-links a.active{background:var(--accent);color:#04120c;font-weight:600}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:transparent;border:none;padding:8px 4px}
.hamburger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all 0.3s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translateY(11px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translateY(-11px)}

.breadcrumb{font-size:13px;color:var(--muted);margin:12px 0 6px}
.breadcrumb span{color:var(--text)}

.hero{
  padding:72px 0 40px;
  display:grid;gap:28px;grid-template-columns:1.1fr .9fr;align-items:center
}
.hero h1{font-size:38px;line-height:1.2;margin-bottom:14px}
.hero p{color:var(--muted);margin-bottom:18px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  padding:12px 18px;border-radius:12px;border:1px solid transparent;
  background:var(--accent);color:#04120c;font-weight:600;transition:transform .2s, box-shadow .2s
}
.btn.secondary{background:transparent;border-color:var(--line);color:var(--text)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}

.section{padding:54px 0;border-top:1px solid var(--line)}
.section h2{font-size:26px;margin-bottom:14px}
.section .lead{color:var(--muted);margin-bottom:22px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-1{display:grid;gap:12px}
.card{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:16px;padding:18px;position:relative;overflow:hidden
}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted)}
.card:hover{transform:translateY(-4px);transition:transform .2s}

.tag{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;background:rgba(61,240,195,0.1);color:var(--accent);margin-bottom:10px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}

.badge-list{display:flex;flex-wrap:wrap;gap:8px}
.badge{padding:6px 10px;border-radius:999px;border:1px solid var(--line);font-size:12px;color:var(--muted)}

.timeline{display:grid;gap:12px}
.timeline-item{border:1px solid var(--line);border-radius:14px;padding:14px;background:var(--panel)}
.timeline-item header{position:static;background:transparent;border:0;padding:0}
.timeline-item h3{font-size:16px}
.timeline-body{color:var(--muted);margin-top:8px;display:none}
.timeline-item.open .timeline-body{display:block}

/* Old FAQ styles removed - using new .faq-grid/.faq-card instead */

.tabs{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.tab-btn{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer}
.tab-btn.active{background:var(--accent);color:#03110b;border-color:transparent}
.tab-panel{display:none}
.tab-panel.active{display:block}

.checklist{display:grid;gap:10px}
.check-item{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);padding:10px 12px;border-radius:12px}
.check-item input{width:18px;height:18px}
.progress{height:8px;border-radius:999px;background:rgba(255,255,255,0.08);overflow:hidden}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));width:0}

.notice{border-left:4px solid var(--warning);padding:12px 14px;background:rgba(255,179,71,0.08);border-radius:12px;color:var(--muted)}

.footer{padding:54px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px;background:rgba(255,255,255,0.01)}
.footer a{color:var(--muted);transition:color .2s}
.footer a:hover{color:var(--accent)}
.footer .container{display:flex;flex-direction:column;gap:28px}

.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:28px}
.footer-section{display:flex;flex-direction:column;gap:12px}
.footer-intro .footer-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.footer-intro .footer-desc{color:var(--muted);font-size:13px;line-height:1.6}
.footer-section-title{font-size:14px;font-weight:600;color:var(--text);margin:0}
.footer-menu{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.footer-menu a{font-size:13px;color:var(--muted);transition:color .2s}

.footer-bottom{border-top:1px solid rgba(255,255,255,0.05);padding-top:20px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.footer-copyright{color:var(--muted);font-size:12px}
.footer-legal{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.footer-divider{color:var(--line)}
.footer-security{color:#7cf07c;font-weight:500;display:inline-flex;align-items:center;gap:4px}

.footer-security-note{background:rgba(124,240,124,0.08);border:1px solid rgba(124,240,124,0.2);border-radius:8px;padding:12px 14px;color:var(--muted);font-size:12px;margin-top:20px}
.footer-security-note strong{color:#7cf07c}

@media(max-width:980px){
  .footer-content{grid-template-columns:1fr 1fr;gap:28px}
}

@media(max-width:640px){
  .footer{padding:36px 0}
  .footer .container{gap:20px}
  .footer-content{grid-template-columns:1fr;gap:20px}
  .footer-bottom{flex-direction:column;justify-content:flex-start;align-items:flex-start}
  .footer-legal{justify-content:flex-start}
  .footer-security-note{margin-top:16px;padding:10px 12px;font-size:11px}
}

.reveal{opacity:0;transform:translateY(18px);transition:all .6s cubic-bezier(0.34,1.56,0.64,1)}
.reveal.in-view{opacity:1;transform:translateY(0)}
.reveal.in-view:nth-child(2){transition-delay:.1s}
.reveal.in-view:nth-child(3){transition-delay:.2s}
.reveal.in-view:nth-child(4){transition-delay:.3s}

.hero-media{position:relative;overflow:hidden}
.hero-media img{box-shadow:var(--shadow);border-radius:20px}
.hero-media .floating{display:none}
.hero-phone{aspect-ratio:9/16;max-height:520px;object-fit:cover;border-radius:24px;box-shadow:0 20px 60px rgba(0,0,0,0.4);width:100%}

.table{width:100%;border-collapse:collapse}
.table th,.table td{border:1px solid var(--line);padding:10px;text-align:left}
.table th{background:rgba(255,255,255,0.05)}

.search{display:flex;gap:10px;align-items:center;margin-bottom:12px}
.search input{flex:1;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--text)}

.form{display:grid;gap:12px}
.form input,.form select,.form textarea{padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--text)}
.form textarea{min-height:120px}

@media (max-width:980px){
  .hero{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr}
  .grid-2,.split{grid-template-columns:1fr}
  header{position:sticky}
  .nav-links{gap:8px}
}

@media (max-width:768px){
  .hamburger{display:flex}
  .nav-links{position:absolute;top:60px;left:0;right:0;flex-direction:column;gap:0;background:var(--panel);border-bottom:1px solid var(--line);padding:12px 0;max-height:0;overflow:hidden;transition:max-height 0.3s;z-index:899}
  .nav-links.open{max-height:400px;padding:12px 0}
  .nav-links a{padding:12px 20px;border-radius:0;width:100%;border-bottom:1px solid rgba(255,255,255,0.05)}
  .nav-links a:hover{background:rgba(255,255,255,0.04);color:var(--accent)}
  .nav-links a.active{background:rgba(255,138,61,0.1);border-left:4px solid var(--accent);padding-left:16px}
}

@media (max-width:640px){
  .hero{padding:48px 0 28px}
  .hero h1{font-size:28px}
  .hero-actions{gap:10px}
  .btn{padding:10px 16px;font-size:14px}
  .section{padding:36px 0}
  .section h2{font-size:22px;margin-bottom:10px}
  .card{padding:14px}
  .hero-phone{max-height:400px}
  .cert-badges{flex-direction:column}
  .cert-badge{width:100%}
  .mpdl-cards{flex-direction:column;align-items:stretch}
  .mpdl-card{width:100%;max-width:none}
}

.img-tag{
  position:absolute;left:14px;top:14px;
  padding:6px 10px;border-radius:999px;
  background:rgba(0,0,0,0.55);
  color:#eafff7;font-size:12px;letter-spacing:.5px;
  border:1px solid rgba(61,240,195,0.35);
  text-transform:uppercase
}
.media-box{position:relative;overflow:hidden;border-radius:20px;aspect-ratio:16/9;background:rgba(255,255,255,0.05)}
.media-box img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.media-box:hover img{transform:scale(1.08)}

.impact{
  padding:34px;border-radius:22px;
  background:linear-gradient(120deg,rgba(61,240,195,0.12),rgba(122,162,255,0.12));
  border:1px solid var(--line)
}
.impact h2{font-size:28px;margin-bottom:10px}
.impact p{color:var(--muted)}

.card{transition:transform .2s, box-shadow .2s}
.card:hover{box-shadow:0 20px 40px rgba(61,240,195,0.12)}

@keyframes floaty{0%{transform:translateY(0)}50%{transform:translateY(-8px)}100%{transform:translateY(0)}}
.floaty{animation:floaty 6s ease-in-out infinite}

.cert-badges{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0;padding:12px;background:rgba(124,240,124,0.08);border-radius:12px;border:1px solid rgba(124,240,124,0.3)}
.cert-badge{display:flex;align-items:center;gap:6px;padding:8px 12px;background:rgba(124,240,124,0.12);border-radius:999px;border:1px solid rgba(124,240,124,0.4);font-size:13px;color:#7cf07c;font-weight:500}
.cert-badge::before{content:'✓';font-weight:bold}

.dl-security-bar{display:flex;align-items:center;gap:10px;padding:12px 14px;background:linear-gradient(90deg,rgba(124,240,124,0.15),rgba(124,240,124,0.05));border-radius:12px;border:1px solid rgba(124,240,124,0.3);margin:16px 0;color:var(--muted);font-size:13px}
.dl-security-bar::before{content:'🔒';font-size:16px}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .logo{height:32px;width:auto}
.brand-text{font-weight:700;font-size:18px;color:var(--text);letter-spacing:0.5px}

.section--alt{background:rgba(255,255,255,0.02)}
.section--stripe{background:linear-gradient(90deg,rgba(61,240,195,0.08),rgba(122,162,255,0.08))}
.section--panel{background:rgba(21,26,43,0.85);border-radius:22px;padding:54px 24px}
.section--glow{box-shadow:0 30px 80px rgba(122,162,255,0.12) inset}

.section-title{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;
  border:1px solid rgba(61,240,195,0.4);
  background:rgba(61,240,195,0.08);
  font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#bfffea
}

main .section:nth-of-type(even){
  background:linear-gradient(120deg,rgba(61,240,195,0.08),rgba(122,162,255,0.06));
  border-radius:22px;
  padding-left:24px;padding-right:24px;
}
main .section:nth-of-type(odd){
  background:rgba(255,255,255,0.015);
}

body::before{
  content:"";position:fixed;inset:-20% 0 0 0;z-index:-1;
  background:radial-gradient(800px 400px at 10% 10%,rgba(61,240,195,0.12),transparent 60%),
             radial-gradient(900px 500px at 90% 0%,rgba(122,162,255,0.12),transparent 60%),
             radial-gradient(700px 500px at 50% 90%,rgba(255,179,71,0.06),transparent 60%);
}

.section{position:relative}
.section::before{
  content:"";display:block;height:3px;width:120px;margin-bottom:18px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:999px;opacity:.8
}
main .section:nth-of-type(even)::after{
  content:"";position:absolute;right:18px;top:18px;width:120px;height:120px;
  background:radial-gradient(circle at center,rgba(61,240,195,0.25),transparent 70%);
  pointer-events:none
}

main .section{
  margin:26px 0;
  border-radius:26px;
  overflow:hidden;
}
main .section:nth-of-type(4n+1){
  background:linear-gradient(120deg,rgba(255,138,61,0.10),rgba(74,213,255,0.06));
  border:1px solid rgba(255,138,61,0.25);
}
main .section:nth-of-type(4n+2){
  background:radial-gradient(circle at 10% 10%,rgba(74,213,255,0.12),transparent 55%),
             rgba(255,255,255,0.015);
  border:1px solid rgba(74,213,255,0.25);
}
main .section:nth-of-type(4n+3){
  background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(16,24,36,0.95));
  border:1px solid rgba(255,255,255,0.08);
}
main .section:nth-of-type(4n+4){
  background:linear-gradient(120deg,rgba(255,209,102,0.10),rgba(255,138,61,0.06));
  border:1px solid rgba(255,209,102,0.22);
}

.section::before{
  content:"";display:block;height:4px;width:140px;margin:18px 0 12px 0;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:999px;opacity:.9
}

.card{
  background:linear-gradient(180deg,rgba(16,24,36,0.9),rgba(22,32,51,0.95));
  border:1px solid rgba(255,255,255,0.08);
}
.card:hover{box-shadow:0 20px 40px rgba(255,138,61,0.18)}

.btn{background:var(--accent);color:#20120a}
.btn.secondary{border-color:rgba(255,255,255,0.2)}

.section-title{
  background:rgba(255,138,61,0.12);
  border:1px solid rgba(255,138,61,0.35);
  color:#ffd9c1
}

body::before{
  background:radial-gradient(900px 450px at 10% 10%,rgba(255,138,61,0.12),transparent 60%),
             radial-gradient(900px 500px at 90% 0%,rgba(74,213,255,0.12),transparent 60%),
             radial-gradient(700px 500px at 50% 90%,rgba(255,209,102,0.08),transparent 60%);
}

/* ====== FAQ Accordion ====== */
.faq-item{border:1px solid var(--line) !important;border-radius:16px !important;overflow:hidden !important;background:linear-gradient(180deg,rgba(16,24,36,0.9),rgba(22,32,51,0.8)) !important;transition:border-color .3s,box-shadow .3s !important}
.faq-item:hover{border-color:rgba(255,138,61,.35) !important;box-shadow:0 4px 12px rgba(255,138,61,.15) !important}
.faq-item.open{border-color:rgba(255,138,61,.5) !important;box-shadow:0 8px 24px rgba(255,138,61,.12) !important}
.faq-item button{width:100% !important;text-align:left !important;background:transparent !important;border:0 !important;color:var(--text) !important;padding:18px 20px !important;font-size:15px !important;font-weight:500 !important;display:flex !important;justify-content:space-between !important;align-items:center !important;gap:16px !important;cursor:pointer !important;transition:background .25s,color .25s !important;line-height:1.5 !important}
.faq-item button:hover{background:rgba(255,255,255,.04) !important}
.faq-item.open button{color:var(--accent) !important;background:rgba(255,138,61,.06) !important;border-bottom:1px solid rgba(255,138,61,.2) !important}
.faq-icon{flex-shrink:0 !important;width:24px !important;height:24px !important;border-radius:50% !important;border:1px solid rgba(255,138,61,.4) !important;display:flex !important;align-items:center !important;justify-content:center !important;font-size:16px !important;font-weight:300 !important;color:var(--accent) !important;transition:transform .35s cubic-bezier(.4,0,.2,1),background .25s,border-color .25s !important}
.faq-item.open .faq-icon{transform:rotate(45deg) !important;background:var(--accent) !important;color:#20120a !important;border-color:var(--accent) !important}
.faq-item .answer{max-height:0 !important;overflow:hidden !important;padding:0 20px !important;color:var(--muted) !important;font-size:14px !important;line-height:1.75 !important;opacity:0 !important;transition:max-height .4s cubic-bezier(.4,0,.2,1),padding .35s ease,opacity .35s ease !important}
.faq-item.open .answer{max-height:600px !important;padding:16px 20px 20px !important;opacity:1 !important}
@media(max-width:640px){.faq-item button{padding:14px 16px !important;font-size:14px !important}.faq-item .answer{font-size:13px !important;padding-left:16px !important;padding-right:16px !important}.faq-icon{width:20px !important;height:20px !important;font-size:14px !important}}