/* ============================================
   ShadowOps Template — 战术隐秘行动风格 (Tactical Shadow Ops)
   Colors: Tactical Green #4ADE80 + Deep Black #0A0E0A
   Font: Consolas/Courier monospace headings + system sans body
   CSS Prefix: shd
   ============================================ */
:root {
    --shd-green: #4ADE80; --shd-green-light: #86EFAC; --shd-green-dim: #22C55E;
    --shd-green-glow: rgba(74,222,128,0.22);
    --shd-amber: #FBBF24;
    --shd-bg: #0A0E0A; --shd-bg2: #0F1410; --shd-bg3: #141A14;
    --shd-card: rgba(74,222,128,0.03); --shd-card-h: rgba(74,222,128,0.07);
    --shd-text: #D1FAE5; --shd-text-sec: #9CA3AF; --shd-text-muted: #6B7280;
    --shd-border: rgba(74,222,128,0.15); --shd-border-h: rgba(74,222,128,0.35);
    --shd-radius: 6px; --shd-radius-lg: 8px;
    --shd-font-heading: "Consolas","Courier New","Monaco",monospace;
    --shd-font-body: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
    --shd-transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
body{font-family:var(--shd-font-body);font-size:16px;line-height:1.7;color:var(--shd-text);background:var(--shd-bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;z-index:9999;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(74,222,128,0.02) 0,rgba(74,222,128,0.02) 1px,transparent 1px,transparent 3px);opacity:.5}
a{text-decoration:none;color:inherit;transition:var(--shd-transition)}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--shd-font-heading);font-weight:700;line-height:1.3;color:var(--shd-text);letter-spacing:.5px;text-transform:uppercase}
.shd-container{max-width:1200px;margin:0 auto;padding:0 24px}
.shd-nav{position:fixed;top:10px;left:10px;right:10px;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:12px 22px;background:rgba(10,14,10,.92);backdrop-filter:blur(14px);border:1px solid var(--shd-border);border-radius:var(--shd-radius);transition:var(--shd-transition)}
.shd-nav.scrolled{background:rgba(10,14,10,.98);box-shadow:0 0 20px rgba(74,222,128,.08),0 4px 16px rgba(0,0,0,.5);border-color:var(--shd-border-h)}
.shd-logo{display:flex;align-items:center;gap:10px;font-family:var(--shd-font-heading);font-weight:700;font-size:1.1rem;color:var(--shd-green);text-transform:uppercase;letter-spacing:1px}
.shd-logo-icon{width:34px;height:34px;border:1px solid var(--shd-green);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--shd-green);flex-shrink:0;box-shadow:0 0 10px var(--shd-green-glow)}
.shd-logo-icon svg{width:18px;height:18px}
.shd-nav-links{display:flex;gap:26px}
.shd-nav-links a{font-size:.82rem;font-weight:500;color:var(--shd-text-sec);font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:.5px;position:relative}
.shd-nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--shd-green);transition:width .25s}
.shd-nav-links a:hover{color:var(--shd-green-light)}
.shd-nav-links a:hover::after{width:100%}
.shd-nav-cta{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;background:var(--shd-green);color:#0A0E0A;border-radius:var(--shd-radius);font-size:.78rem;font-weight:700;font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:var(--shd-transition)}
.shd-nav-cta:hover{background:var(--shd-green-light);box-shadow:0 0 16px var(--shd-green-glow);transform:translateY(-1px)}
.shd-mobile-btn{display:none;background:none;border:none;cursor:pointer;color:var(--shd-green);padding:4px}
.shd-hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.shd-hero-bg-wrap{position:absolute;inset:0;z-index:0}
.shd-hero-bg-img{width:100%;height:100%;object-fit:cover;filter:grayscale(.7) brightness(.4) sepia(.3) hue-rotate(60deg)}
.shd-hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,10,.93) 0%,rgba(10,14,10,.85) 50%,rgba(10,14,10,.97) 100%)}
.shd-hero-overlay::after{content:'';position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(74,222,128,.02) 0,rgba(74,222,128,.02) 1px,transparent 1px,transparent 3px);pointer-events:none}
.shd-hero-inner{position:relative;z-index:1;max-width:720px}
.shd-hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:rgba(74,222,128,.06);border:1px solid var(--shd-border-h);border-radius:var(--shd-radius);font-size:.72rem;font-weight:600;color:var(--shd-green-light);margin-bottom:22px;letter-spacing:1.5px;font-family:var(--shd-font-heading);text-transform:uppercase}
.shd-hero-badge .shd-dot{width:6px;height:6px;background:var(--shd-green);border-radius:50%;animation:shd-pulse 2s infinite;box-shadow:0 0 8px var(--shd-green)}
@keyframes shd-pulse{0%,100%{opacity:1}50%{opacity:.3}}
.shd-hero h1{font-size:2.8rem;margin-bottom:20px}
.shd-hero h1 .shd-accent{color:var(--shd-green)}
.shd-hero-desc{font-size:1rem;color:var(--shd-text-sec);margin-bottom:32px;max-width:540px;line-height:1.85}
.shd-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:44px}
.shd-btn-cta{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:var(--shd-green);color:#0A0E0A;border-radius:var(--shd-radius);font-weight:700;font-size:.9rem;font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:1px;cursor:pointer;border:none;transition:var(--shd-transition);box-shadow:0 0 20px var(--shd-green-glow)}
.shd-btn-cta:hover{background:var(--shd-green-light);transform:translateY(-2px);box-shadow:0 0 28px rgba(74,222,128,.4)}
.shd-btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:transparent;color:var(--shd-text-sec);border:1px solid var(--shd-border-h);border-radius:var(--shd-radius);font-weight:500;font-size:.9rem;cursor:pointer;font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:1px}
.shd-btn-ghost:hover{border-color:var(--shd-green);color:var(--shd-green-light);background:var(--shd-card)}
.shd-hero-nums{display:flex;align-items:center;gap:30px}
.shd-hn-v{display:block;font-size:1.6rem;font-weight:700;color:var(--shd-green-light);font-family:var(--shd-font-heading)}
.shd-hn-l{font-size:.72rem;color:var(--shd-text-muted);letter-spacing:1px;text-transform:uppercase;font-family:var(--shd-font-heading)}
.shd-hn-sep{width:1px;height:34px;background:var(--shd-border)}
.shd-trust{padding:20px 0;background:var(--shd-bg2);border-bottom:1px solid var(--shd-border);border-top:1px solid var(--shd-border)}
.shd-trust-inner{display:flex;justify-content:center;gap:36px;flex-wrap:wrap}
.shd-trust-item{display:flex;align-items:center;gap:8px;font-size:.78rem;font-weight:500;color:var(--shd-text-sec);font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:.5px}
.shd-trust-item svg{color:var(--shd-green);flex-shrink:0}
.shd-section{padding:90px 0}
.shd-section-alt{background:var(--shd-bg2)}
.shd-sec-header{text-align:center;margin-bottom:54px}
.shd-sec-tag{display:inline-block;padding:4px 14px;background:rgba(74,222,128,.06);color:var(--shd-green-light);border:1px solid var(--shd-border);border-radius:var(--shd-radius);font-size:.7rem;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:14px;font-family:var(--shd-font-heading)}
.shd-sec-header h2{font-size:2rem;margin-bottom:12px}
.shd-sec-header h2 .shd-h-accent{color:var(--shd-green)}
.shd-sec-header p{font-size:.9rem;color:var(--shd-text-sec);max-width:560px;margin:0 auto}
.shd-feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.shd-feat-card{padding:28px 24px;background:var(--shd-bg2);border:1px solid var(--shd-border);border-radius:var(--shd-radius);transition:var(--shd-transition);cursor:pointer;position:relative;overflow:hidden}
.shd-feat-card::before{content:'';position:absolute;top:0;left:0;width:3px;height:0;background:var(--shd-green);transition:height .3s;box-shadow:0 0 8px var(--shd-green-glow)}
.shd-feat-card:hover{border-color:var(--shd-border-h);transform:translateY(-4px);background:var(--shd-bg3)}
.shd-feat-card:hover::before{height:100%}
.shd-feat-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:rgba(74,222,128,.06);border:1px solid var(--shd-border);border-radius:var(--shd-radius);margin-bottom:16px}
.shd-feat-icon svg{width:22px;height:22px;stroke:var(--shd-green-light)}
.shd-feat-card h3{font-size:1rem;margin-bottom:8px}
.shd-feat-card p{font-size:.84rem;color:var(--shd-text-sec);line-height:1.75}
.shd-svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.shd-svc-card{display:flex;flex-direction:column;background:var(--shd-bg2);border:1px solid var(--shd-border);border-radius:var(--shd-radius);overflow:hidden;transition:var(--shd-transition);cursor:pointer}
.shd-svc-card:hover{border-color:var(--shd-border-h);transform:translateY(-3px);box-shadow:0 0 20px rgba(74,222,128,.06)}
.shd-svc-img{height:180px;overflow:hidden;position:relative}
.shd-svc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s;filter:grayscale(.5) brightness(.7) sepia(.2) hue-rotate(60deg)}
.shd-svc-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,14,10,.8) 100%);pointer-events:none}
.shd-svc-card:hover .shd-svc-img img{transform:scale(1.05);filter:grayscale(0) brightness(.9)}
.shd-svc-body{padding:22px 24px}
.shd-svc-body h3{font-size:1rem;margin-bottom:8px}
.shd-svc-body p{font-size:.84rem;color:var(--shd-text-sec);line-height:1.75;margin-bottom:12px}
.shd-svc-link{color:var(--shd-green-light);font-size:.8rem;font-weight:600;font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:.5px;display:inline-flex;align-items:center;gap:4px;transition:var(--shd-transition)}
.shd-svc-link:hover{gap:8px;color:var(--shd-green)}
.shd-about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.shd-about-img{position:relative;border-radius:var(--shd-radius);overflow:hidden;border:1px solid var(--shd-border)}
.shd-about-img img{width:100%;height:380px;object-fit:cover;filter:grayscale(.6) brightness(.7) sepia(.2) hue-rotate(60deg);transition:filter .4s}
.shd-about-img:hover img{filter:grayscale(0) brightness(.9)}
.shd-about-img::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(74,222,128,.06),transparent 60%);z-index:1;pointer-events:none}
.shd-about-float{position:absolute;bottom:-14px;right:-14px;background:var(--shd-green);color:#0A0E0A;border-radius:var(--shd-radius);padding:14px 20px;text-align:center;z-index:2;box-shadow:0 0 20px var(--shd-green-glow)}
.shd-about-float .shd-af-num{font-size:1.4rem;font-weight:800;display:block;font-family:var(--shd-font-heading)}
.shd-about-float .shd-af-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.5px}
.shd-about-text .shd-sec-tag{margin-bottom:12px}
.shd-about-text h2{font-size:1.8rem;margin-bottom:16px}
.shd-about-text p{color:var(--shd-text-sec);margin-bottom:14px;font-size:.88rem;line-height:1.85}
.shd-link{display:inline-flex;align-items:center;gap:6px;color:var(--shd-green-light);font-weight:600;font-size:.86rem;font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:.5px}
.shd-link:hover{gap:10px;color:var(--shd-green)}
.shd-steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.shd-step-card{text-align:center;padding:30px 16px;background:var(--shd-bg2);border:1px solid var(--shd-border);border-radius:var(--shd-radius);transition:var(--shd-transition)}
.shd-step-card:hover{border-color:var(--shd-border-h);transform:translateY(-4px)}
.shd-step-num{font-size:2.2rem;font-weight:700;color:rgba(74,222,128,.2);margin-bottom:8px;font-family:var(--shd-font-heading)}
.shd-step-card h3{font-size:.92rem;margin-bottom:6px}
.shd-step-card p{font-size:.8rem;color:var(--shd-text-muted)}
.shd-testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.shd-testi-card{padding:26px 22px;background:var(--shd-bg2);border:1px solid var(--shd-border);border-radius:var(--shd-radius);transition:var(--shd-transition)}
.shd-testi-card:hover{transform:translateY(-3px);border-color:var(--shd-border-h)}
.shd-testi-stars{color:var(--shd-green);font-size:.82rem;margin-bottom:12px;letter-spacing:2px}
.shd-testi-card>p{font-size:.84rem;color:var(--shd-text-sec);line-height:1.8;margin-bottom:16px;font-style:italic}
.shd-testi-author{display:flex;align-items:center;gap:10px}
.shd-ta-avatar{width:34px;height:34px;border-radius:50%;background:rgba(74,222,128,.1);border:1px solid var(--shd-green);color:var(--shd-green-light);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem;font-family:var(--shd-font-heading)}
.shd-testi-author strong{font-size:.82rem;display:block;color:var(--shd-text)}
.shd-testi-author span{font-size:.72rem;color:var(--shd-text-muted)}
.shd-faq-layout{display:grid;grid-template-columns:1fr 2fr;gap:60px}
.shd-faq-side{position:sticky;top:100px;align-self:start}
.shd-faq-side .shd-sec-tag{margin-bottom:12px}
.shd-faq-side h2{font-size:1.7rem;margin-bottom:14px}
.shd-faq-side p{font-size:.84rem;color:var(--shd-text-sec);line-height:1.8}
.shd-faq-main{display:flex;flex-direction:column;gap:10px}
.shd-faq-item{background:var(--shd-bg2);border:1px solid var(--shd-border);border-radius:var(--shd-radius);overflow:hidden;transition:border-color .2s}
.shd-faq-item:hover{border-color:var(--shd-border-h)}
.shd-faq-q{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;cursor:pointer;font-weight:500;font-size:.86rem;color:var(--shd-text);font-family:var(--shd-font-heading)}
.shd-faq-q svg{flex-shrink:0;stroke:var(--shd-green);transition:transform .3s}
.shd-faq-item.active .shd-faq-q svg{transform:rotate(180deg)}
.shd-faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .3s,padding .3s;font-size:.83rem;color:var(--shd-text-sec);line-height:1.8}
.shd-faq-item.active .shd-faq-a{padding:0 20px 14px;max-height:240px}
.shd-recommend{padding:70px 0}
.shd-recommend-grid{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.shd-recommend-grid a{display:inline-block;padding:8px 16px;background:var(--shd-bg2);border:1px solid var(--shd-border);border-radius:var(--shd-radius);font-size:.78rem;color:var(--shd-text-sec);transition:var(--shd-transition);cursor:pointer;font-family:var(--shd-font-heading)}
.shd-recommend-grid a:hover{color:var(--shd-green-light);border-color:var(--shd-green);transform:translateY(-2px);background:var(--shd-card-h)}
.shd-cta-sec{padding:80px 0;background:var(--shd-bg2)}
.shd-cta-box{text-align:center;max-width:620px;margin:0 auto;padding:60px 40px;border:1px solid var(--shd-border);border-radius:var(--shd-radius-lg);position:relative;overflow:hidden;background:linear-gradient(135deg,rgba(74,222,128,.04),rgba(74,222,128,.01))}
.shd-cta-box::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--shd-green),transparent);box-shadow:0 0 8px var(--shd-green-glow)}
.shd-cta-box h2{font-size:1.8rem;margin-bottom:12px}
.shd-cta-box p{font-size:.9rem;color:var(--shd-text-sec);margin-bottom:28px}
.shd-footer{padding:50px 0 0;border-top:1px solid var(--shd-border);background:var(--shd-bg)}
.shd-footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid var(--shd-border)}
.shd-footer-desc{font-size:.8rem;color:var(--shd-text-muted);margin-top:14px;line-height:1.8;max-width:400px}
.shd-footer-nav h4{color:var(--shd-green-light);font-size:.82rem;margin-bottom:14px;font-family:var(--shd-font-heading);text-transform:uppercase;letter-spacing:1px}
.shd-footer-nav li{margin-bottom:8px}
.shd-footer-nav a{font-size:.8rem;color:var(--shd-text-muted)}
.shd-footer-nav a:hover{color:var(--shd-green-light)}
.shd-footer-bottom{padding:20px 0;text-align:center;font-size:.74rem;color:var(--shd-text-muted);font-family:var(--shd-font-heading)}
.shd-page-hero{padding:150px 0 60px;text-align:center}
.shd-page-hero h1{font-size:2.4rem;margin-bottom:12px}
.shd-page-hero p{font-size:.92rem;color:var(--shd-text-sec)}
@media(max-width:1024px){.shd-hero h1{font-size:2.2rem}.shd-feat-grid{grid-template-columns:repeat(2,1fr)}.shd-svc-grid{grid-template-columns:1fr}.shd-about-grid{grid-template-columns:1fr}.shd-faq-layout{grid-template-columns:1fr}.shd-faq-side{position:static;text-align:center}.shd-footer-top{grid-template-columns:1fr 1fr}.shd-steps-grid{grid-template-columns:repeat(2,1fr)}.shd-testi-grid{grid-template-columns:1fr}}
@media(max-width:768px){.shd-nav{top:6px;left:6px;right:6px;padding:10px 16px;flex-wrap:wrap}.shd-nav-links{display:none;position:absolute;top:calc(100% + 6px);left:0;right:0;flex-direction:column;background:rgba(10,14,10,.98);border:1px solid var(--shd-border);border-radius:var(--shd-radius);padding:12px 16px;gap:0;backdrop-filter:blur(14px)}.shd-nav-links.active{display:flex}.shd-nav-links li{border-bottom:1px solid var(--shd-border)}.shd-nav-links li:last-child{border-bottom:none}.shd-nav-links a{display:block;padding:12px 0}.shd-nav-cta{display:none}.shd-mobile-btn{display:block}.shd-hero{padding:110px 0 60px;min-height:auto}.shd-hero h1{font-size:1.8rem}.shd-hero-actions{flex-direction:column}.shd-btn-cta,.shd-btn-ghost{width:100%;justify-content:center}.shd-hero-nums{flex-wrap:wrap;gap:16px}.shd-hn-sep{display:none}.shd-feat-grid{grid-template-columns:1fr}.shd-sec-header h2{font-size:1.5rem}.shd-section{padding:60px 0}.shd-cta-box{padding:40px 20px}.shd-footer-top{grid-template-columns:1fr;gap:28px}.shd-page-hero h1{font-size:1.8rem}}
@media(max-width:480px){.shd-steps-grid{grid-template-columns:1fr}.shd-trust-inner{gap:14px}}