/* ==================== Reset & Base ==================== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.7;letter-spacing:.01em}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}

/* ==================== Variables ==================== */
:root{
--bg:#050810;--bg-2:#0a1020;--bg-3:#0f1830;--bg-4:#121c38;
--surface:rgba(15,24,48,.7);--surface-hi:rgba(20,32,64,.85);--surface-2:rgba(25,40,80,.6);
--border:rgba(0,212,255,.12);--border-hi:rgba(0,212,255,.35);
--accent:#00d4ff;--accent-2:#0ea5e9;--accent-3:#6366f1;--accent-4:#8b5cf6;
--accent-glow:rgba(0,212,255,.5);
--text:#e2e8f5;--text-2:#94a3c8;--text-3:#64748b;
--gold:#fbbf24;--green:#10b981;--red:#ef4444;
--radius:16px;--radius-sm:10px;--radius-lg:24px;
--max-w:1280px;
--shadow:0 20px 60px rgba(0,0,0,.3);
--shadow-glow:0 0 30px rgba(0,212,255,.15);
}

/* ==================== Scrollbar ==================== */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--accent),var(--accent-3));border-radius:4px}
::selection{background:var(--accent);color:var(--bg)}

/* ==================== Particle Canvas ==================== */
#particle-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}

/* ==================== Navbar ==================== */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(5,8,16,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:all .4s ease}
.navbar.scrolled{background:rgba(5,8,16,.97);box-shadow:0 4px 30px rgba(0,212,255,.08)}
.nav-inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:.85rem 2rem}
.nav-logo{display:flex;align-items:center;gap:.6rem;font-size:1.05rem;font-weight:700;color:var(--text)}
.nav-logo-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-3));display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--bg);font-weight:900;box-shadow:0 0 20px rgba(0,212,255,.3)}
.nav-logo-text span{color:var(--accent)}
.nav-links{display:flex;gap:1.8rem;align-items:center}
.nav-links a{font-size:.88rem;color:var(--text-2);transition:color .3s;position:relative;white-space:nowrap}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--accent);transition:width .3s}
.nav-links a:hover{color:var(--accent)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{width:100%}
.nav-cta{padding:.55rem 1.4rem;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:var(--bg);font-weight:600;font-size:.88rem;transition:all .3s;white-space:nowrap}
.nav-cta:hover{box-shadow:0 0 20px var(--accent-glow);transform:translateY(-1px)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}

/* ==================== Layout ==================== */
section{position:relative;z-index:1}
.container{max-width:var(--max-w);margin:0 auto;padding:0 2rem}
.section-pad{padding:6rem 0}
.text-center{text-align:center}

/* ==================== Section Headers ==================== */
.section-eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);margin-bottom:1rem;padding:.3rem .9rem;border-radius:6px;background:rgba(0,212,255,.08);border:1px solid var(--border)}
.section-title{font-size:2.2rem;font-weight:800;color:var(--text);margin-bottom:1rem;line-height:1.3}
.section-subtitle{font-size:1.05rem;color:var(--text-2);max-width:640px;margin:0 auto}
.text-center .section-subtitle{margin:0 auto}
.section-line{width:60px;height:3px;background:linear-gradient(90deg,var(--accent),transparent);margin:1.2rem auto 0;border-radius:2px}

/* ==================== Hero (Home) ==================== */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,rgba(0,212,255,.12) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(99,102,241,.1) 0%,transparent 50%),var(--bg)}
.hero-grid-bg{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;mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%)}
.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.15) 0%,transparent 70%);top:10%;right:-100px;filter:blur(60px);animation:floatGlow 8s ease-in-out infinite}
.hero-glow-2{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(99,102,241,.12) 0%,transparent 70%);bottom:5%;left:-100px;filter:blur(60px);animation:floatGlow 10s ease-in-out infinite reverse}
@keyframes floatGlow{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-30px)}}
.hero-content{position:relative;z-index:2;max-width:var(--max-w);margin:0 auto;padding:0 2rem;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem 1rem;border-radius:30px;background:rgba(0,212,255,.08);border:1px solid var(--border-hi);font-size:.82rem;color:var(--accent);font-weight:600;margin-bottom:1.8rem;animation:fadeUp .8s ease both}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulseDot 2s ease infinite}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:3.6rem;font-weight:900;line-height:1.15;margin-bottom:1.2rem;animation:fadeUp .8s ease .1s both}
.hero h1 .grad{background:linear-gradient(135deg,var(--accent) 0%,#22d3ee 40%,var(--accent-3) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:1.15rem;color:var(--text-2);max-width:600px;margin-bottom:2.5rem;animation:fadeUp .8s ease .2s both}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap;animation:fadeUp .8s ease .3s both}

/* ==================== Hero (Sub Pages) ==================== */
.page-hero{min-height:55vh;display:flex;align-items:center;position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 30%,rgba(0,212,255,.1) 0%,transparent 60%),var(--bg);padding-top:80px}
.page-hero .hero-grid-bg{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;mask-image:radial-gradient(ellipse at center,black 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at center,black 20%,transparent 70%)}
.page-hero h1{font-size:2.8rem;font-weight:900;line-height:1.2;margin-bottom:1rem}
.page-hero h1 .grad{background:linear-gradient(135deg,var(--accent) 0%,#22d3ee 40%,var(--accent-3) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-hero .hero-desc{font-size:1.05rem;color:var(--text-2);max-width:600px}

/* ==================== Buttons ==================== */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 2rem;border-radius:10px;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .35s ease;border:none}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:var(--bg)}
.btn-primary:hover{box-shadow:0 8px 30px var(--accent-glow);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border-hi)}
.btn-outline:hover{background:rgba(0,212,255,.08);border-color:var(--accent)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#f59e0b);color:var(--bg)}
.btn-gold:hover{box-shadow:0 8px 30px rgba(251,191,36,.4);transform:translateY(-2px)}

/* ==================== Animations ==================== */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.hero-scroll{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);font-size:.78rem;color:var(--text-3);text-align:center;animation:bounce 2s ease infinite}
.hero-scroll .arrow{display:block;width:1px;height:40px;margin:.5rem auto 0;background:linear-gradient(var(--accent),transparent)}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* ==================== Stats ==================== */
.stats{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-inner{max-width:var(--max-w);margin:0 auto;padding:3.5rem 2rem;display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}
.stat-item{text-align:center;position:relative}
.stat-item::after{content:'';position:absolute;right:-1rem;top:25%;height:50%;width:1px;background:var(--border)}
.stat-item:last-child::after{display:none}
.stat-num{font-size:2.6rem;font-weight:900;background:linear-gradient(135deg,var(--accent),var(--accent-3));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-suffix{font-size:1.4rem;font-weight:700;color:var(--accent-2)}
.stat-label{font-size:.88rem;color:var(--text-2);margin-top:.4rem}

/* ==================== Highlight Cards (AI & WorkBuddy on Home) ==================== */
.highlight-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:3rem}
.highlight-card{position:relative;border-radius:var(--radius-lg);padding:3rem 2.5rem;overflow:hidden;transition:all .4s ease;cursor:pointer}
.highlight-card.ai{background:linear-gradient(135deg,rgba(0,212,255,.08),rgba(99,102,241,.08));border:1px solid rgba(0,212,255,.25)}
.highlight-card.wb{background:linear-gradient(135deg,rgba(139,92,246,.08),rgba(99,102,241,.08));border:1px solid rgba(139,92,246,.25)}
.highlight-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.highlight-card.ai:hover{border-color:rgba(0,212,255,.5);box-shadow:0 20px 60px rgba(0,212,255,.15)}
.highlight-card.wb:hover{border-color:rgba(139,92,246,.5);box-shadow:0 20px 60px rgba(139,92,246,.15)}
.highlight-card::before{content:'';position:absolute;top:0;right:0;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.1),transparent 70%);filter:blur(40px)}
.highlight-card.wb::before{background:radial-gradient(circle,rgba(139,92,246,.1),transparent 70%)}
.highlight-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;position:relative;z-index:1}
.highlight-card.ai .highlight-icon{background:linear-gradient(135deg,rgba(0,212,255,.2),rgba(99,102,241,.2));border:1px solid rgba(0,212,255,.3)}
.highlight-card.wb .highlight-icon{background:linear-gradient(135deg,rgba(139,92,246,.2),rgba(99,102,241,.2));border:1px solid rgba(139,92,246,.3)}
.highlight-icon svg{width:32px;height:32px}
.highlight-card.ai .highlight-icon svg{color:var(--accent)}
.highlight-card.wb .highlight-icon svg{color:var(--accent-4)}
.highlight-card h3{font-size:1.5rem;font-weight:800;color:var(--text);margin-bottom:.8rem;position:relative;z-index:1}
.highlight-card .tag{display:inline-block;font-size:.72rem;padding:.2rem .7rem;border-radius:6px;font-weight:600;margin-bottom:1rem;position:relative;z-index:1}
.highlight-card.ai .tag{background:rgba(0,212,255,.15);color:var(--accent)}
.highlight-card.wb .tag{background:rgba(139,92,246,.15);color:var(--accent-4)}
.highlight-card p{font-size:.95rem;color:var(--text-2);line-height:1.8;margin-bottom:1.5rem;position:relative;z-index:1}
.highlight-features{display:flex;flex-wrap:wrap;gap:.5rem;position:relative;z-index:1;margin-bottom:1.5rem}
.highlight-features span{font-size:.78rem;padding:.3rem .7rem;border-radius:6px;background:var(--surface);border:1px solid var(--border);color:var(--text-2)}
.highlight-link{display:inline-flex;align-items:center;gap:.4rem;font-size:.9rem;font-weight:600;position:relative;z-index:1;transition:gap .3s}
.highlight-card.ai .highlight-link{color:var(--accent)}
.highlight-card.wb .highlight-link{color:var(--accent-4)}
.highlight-link:hover{gap:.8rem}

/* ==================== About Page ==================== */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:center}
.about-text p{font-size:1rem;color:var(--text-2);margin-bottom:1.2rem;line-height:1.9}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1.8rem}
.about-feat{display:flex;align-items:center;gap:.7rem;padding:.8rem 1rem;border-radius:10px;background:var(--surface);border:1px solid var(--border)}
.about-feat svg{width:20px;height:20px;color:var(--accent);flex-shrink:0}
.about-feat span{font-size:.85rem;color:var(--text)}
.about-visual{position:relative;background:linear-gradient(135deg,var(--bg-2),var(--bg-3));border-radius:var(--radius);padding:2.5rem;border:1px solid var(--border);overflow:hidden}
.about-visual::before{content:'';position:absolute;top:-50%;right:-50%;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.1),transparent 70%)}
.about-ring{width:200px;height:200px;border-radius:50%;border:2px solid var(--border-hi);margin:0 auto 1.5rem;display:flex;align-items:center;justify-content:center;position:relative}
.about-ring::before{content:'';position:absolute;inset:15px;border-radius:50%;border:1px dashed var(--border);animation:spin 20s linear infinite}
.about-ring-inner{text-align:center;z-index:1}
.about-ring-inner .num{font-size:2.4rem;font-weight:900;color:var(--accent)}
.about-ring-inner .unit{font-size:.85rem;color:var(--text-2)}
@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.about-info-row{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px solid var(--border);font-size:.85rem}
.about-info-row:last-child{border-bottom:none}
.about-info-row .label{color:var(--text-2)}
.about-info-row .val{color:var(--text);font-weight:600}

/* Timeline */
.timeline{position:relative;padding-left:2rem;margin-top:3rem}
.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:linear-gradient(var(--accent),var(--accent-3),transparent)}
.timeline-item{position:relative;padding-bottom:2.5rem}
.timeline-item::before{content:'';position:absolute;left:-2rem;top:.3rem;width:16px;height:16px;border-radius:50%;background:var(--accent);box-shadow:0 0 15px var(--accent-glow);border:3px solid var(--bg)}
.timeline-date{font-size:.8rem;color:var(--accent);font-weight:600;margin-bottom:.3rem}
.timeline-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:.4rem}
.timeline-desc{font-size:.88rem;color:var(--text-2);line-height:1.7}

/* ==================== Services Cards ==================== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3rem}
.service-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem 1.8rem;transition:all .35s ease;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-3));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.service-card:hover{background:var(--surface-hi);border-color:var(--border-hi);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.3)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:48px;height:48px;border-radius:12px;background:rgba(0,212,255,.1);display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem}
.service-icon svg{width:26px;height:26px;color:var(--accent)}
.service-card h3{font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:.6rem}
.service-card p{font-size:.85rem;color:var(--text-2);line-height:1.7}

/* ==================== AI Page ==================== */
.ai-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-top:3rem}
.ai-feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;transition:all .35s ease;position:relative;overflow:hidden}
.ai-feature-card:hover{border-color:var(--border-hi);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.3)}
.ai-feature-card::after{content:'';position:absolute;top:0;right:0;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.06),transparent 70%);filter:blur(30px)}
.ai-feature-num{position:absolute;top:1.5rem;right:2rem;font-size:3rem;font-weight:900;color:rgba(0,212,255,.08)}
.ai-feature-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,rgba(0,212,255,.15),rgba(99,102,241,.15));border:1px solid var(--border-hi);display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}
.ai-feature-icon svg{width:28px;height:28px;color:var(--accent)}
.ai-feature-card h3{font-size:1.2rem;font-weight:700;color:var(--text);margin-bottom:.6rem}
.ai-feature-card .ai-tag{display:inline-block;font-size:.72rem;padding:.2rem .6rem;border-radius:4px;background:rgba(0,212,255,.1);color:var(--accent);font-weight:600;margin-bottom:.8rem}
.ai-feature-card p{font-size:.9rem;color:var(--text-2);line-height:1.8;margin-bottom:1rem}
.ai-feature-list{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.ai-feature-list li{font-size:.78rem;padding:.25rem .7rem;border-radius:6px;background:var(--bg-2);border:1px solid var(--border);color:var(--text-2)}

.ai-capability-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:3rem}
.ai-capability-item{text-align:center;padding:1.8rem 1.2rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);transition:all .3s ease}
.ai-capability-item:hover{border-color:var(--border-hi);transform:translateY(-3px);background:var(--surface-hi)}
.ai-capability-item .cap-icon{width:48px;height:48px;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;border-radius:12px;background:rgba(0,212,255,.08)}
.ai-capability-item .cap-icon svg{width:24px;height:24px;color:var(--accent)}
.ai-capability-item h4{font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:.4rem}
.ai-capability-item p{font-size:.78rem;color:var(--text-3);line-height:1.5}

/* ==================== WorkBuddy Page ==================== */
.wb-hero-card{background:linear-gradient(135deg,var(--surface),var(--surface-hi));border:1px solid var(--border-hi);border-radius:var(--radius-lg);padding:3rem;margin-top:3rem;position:relative;overflow:hidden}
.wb-hero-card::before{content:'';position:absolute;top:-30%;right:-10%;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(139,92,246,.12),transparent 70%);filter:blur(50px)}
.wb-hero-card h3{font-size:1.5rem;font-weight:800;color:var(--text);margin-bottom:1rem;position:relative;z-index:1}
.wb-hero-card p{font-size:1rem;color:var(--text-2);line-height:1.8;position:relative;z-index:1;margin-bottom:1.5rem}
.wb-features{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3rem}
.wb-feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem 1.8rem;transition:all .35s ease;position:relative;overflow:hidden}
.wb-feature-card:hover{border-color:rgba(139,92,246,.35);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.3)}
.wb-feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent-4),var(--accent-3));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.wb-feature-card:hover::before{transform:scaleX(1)}
.wb-feature-icon{width:48px;height:48px;border-radius:12px;background:rgba(139,92,246,.1);display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem}
.wb-feature-icon svg{width:26px;height:26px;color:var(--accent-4)}
.wb-feature-card h3{font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:.6rem}
.wb-feature-card p{font-size:.85rem;color:var(--text-2);line-height:1.7}

.wb-scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin-top:3rem}
.wb-scenario-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;transition:all .3s ease;position:relative}
.wb-scenario-card:hover{border-color:rgba(139,92,246,.35);transform:translateY(-3px)}
.wb-scenario-tag{display:inline-block;font-size:.72rem;padding:.2rem .6rem;border-radius:4px;background:rgba(139,92,246,.12);color:var(--accent-4);font-weight:600;margin-bottom:.8rem}
.wb-scenario-card h4{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:.5rem}
.wb-scenario-card p{font-size:.85rem;color:var(--text-2);line-height:1.7}
.wb-scenario-card .metric{display:flex;align-items:center;gap:.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}
.wb-scenario-card .metric .label{font-size:.78rem;color:var(--text-3)}
.wb-scenario-card .metric .val{font-size:.85rem;font-weight:700;color:var(--accent-4)}

.wb-pricing{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:3rem}
.wb-plan{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;transition:all .3s ease;position:relative}
.wb-plan:hover{border-color:var(--border-hi);transform:translateY(-3px)}
.wb-plan.featured{border-color:var(--accent-4);background:linear-gradient(135deg,rgba(139,92,246,.08),var(--surface))}
.wb-plan.featured::before{content:'推荐';position:absolute;top:-12px;left:50%;transform:translateX(-50%);padding:.2rem .8rem;border-radius:6px;background:linear-gradient(135deg,var(--accent-4),var(--accent-3));color:#fff;font-size:.72rem;font-weight:600}
.wb-plan h4{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:.5rem}
.wb-plan .price{font-size:1.8rem;font-weight:900;color:var(--accent);margin:.8rem 0}
.wb-plan .price .unit{font-size:.85rem;color:var(--text-3);font-weight:400}
.wb-plan .desc{font-size:.8rem;color:var(--text-3);line-height:1.6;margin-bottom:1rem}
.wb-plan ul{margin-top:1rem;text-align:left}
.wb-plan ul li{font-size:.78rem;color:var(--text-2);padding:.3rem 0;padding-left:1.3rem;position:relative}
.wb-plan ul li::before{content:'';position:absolute;left:0;top:.65rem;width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ==================== Credentials ==================== */
.creds-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:3rem}
.cred-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1.5rem 1.2rem;text-align:center;transition:all .3s ease;position:relative}
.cred-card:hover{border-color:var(--border-hi);transform:translateY(-3px);background:var(--surface-hi)}
.cred-badge{width:52px;height:52px;border-radius:50%;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;font-size:1.4rem;background:linear-gradient(135deg,rgba(0,212,255,.15),rgba(99,102,241,.15));border:1px solid var(--border-hi)}
.cred-card h4{font-size:.9rem;font-weight:600;color:var(--text);margin-bottom:.4rem}
.cred-card p{font-size:.76rem;color:var(--text-3);line-height:1.5}

/* IP / Copyrights */
.ip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:3rem}
.ip-card{display:flex;align-items:flex-start;gap:1rem;padding:1.2rem 1.4rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);transition:all .3s ease}
.ip-card:hover{border-color:var(--border-hi);background:var(--surface-hi)}
.ip-card .ip-icon{width:40px;height:40px;border-radius:10px;background:rgba(0,212,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ip-card .ip-icon svg{width:20px;height:20px;color:var(--accent)}
.ip-card .ip-info h4{font-size:.88rem;font-weight:600;color:var(--text);margin-bottom:.2rem}
.ip-card .ip-info .ip-date{font-size:.76rem;color:var(--text-3)}

/* ==================== Cases ==================== */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:3rem}
.case-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .35s ease}
.case-card:hover{border-color:var(--border-hi);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.3)}
.case-top{height:140px;background:linear-gradient(135deg,var(--bg-3),var(--bg-2));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.case-top::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.05) 1px,transparent 1px);background-size:30px 30px}
.case-icon{font-size:2.5rem;z-index:1;filter:grayscale(.2)}
.case-body{padding:1.5rem 1.4rem}
.case-tag{display:inline-block;font-size:.72rem;padding:.2rem .6rem;border-radius:4px;background:rgba(0,212,255,.1);color:var(--accent);font-weight:600;margin-bottom:.8rem}
.case-body h4{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:.5rem}
.case-body p{font-size:.82rem;color:var(--text-2);line-height:1.6}

/* ==================== Contact ==================== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-top:3rem;align-items:start}
.contact-info-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem}
.contact-row{display:flex;align-items:flex-start;gap:1rem;padding:1.2rem 0;border-bottom:1px solid var(--border)}
.contact-row:last-child{border-bottom:none}
.contact-row .icon{width:40px;height:40px;border-radius:10px;background:rgba(0,212,255,.1);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-row .icon svg{width:20px;height:20px;color:var(--accent)}
.contact-row .info .label{font-size:.78rem;color:var(--text-3);margin-bottom:.2rem}
.contact-row .info .val{font-size:.95rem;color:var(--text);font-weight:600}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2.5rem}
.form-group{margin-bottom:1.5rem}
.form-group label{display:block;font-size:.85rem;color:var(--text-2);margin-bottom:.5rem}
.form-group input,.form-group textarea{width:100%;padding:.8rem 1rem;background:var(--bg-2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:.9rem;font-family:inherit;transition:border-color .3s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-group textarea{resize:vertical;min-height:100px}

/* ==================== CTA Section ==================== */
.cta-section{background:linear-gradient(135deg,var(--bg-2),var(--bg-3));border-top:1px solid var(--border);border-bottom:1px solid var(--border);text-align:center;padding:5rem 0}
.cta-section h2{font-size:2rem;font-weight:800;color:var(--text);margin-bottom:1rem}
.cta-section p{font-size:1rem;color:var(--text-2);margin-bottom:2rem}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ==================== Footer ==================== */
.footer{background:var(--bg-2);border-top:1px solid var(--border);padding:3rem 0 1.5rem}
.footer-inner{max-width:var(--max-w);margin:0 auto;padding:0 2rem}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;padding-bottom:2rem;border-bottom:1px solid var(--border)}
.footer-brand .nav-logo{margin-bottom:1rem}
.footer-brand p{font-size:.82rem;color:var(--text-3);line-height:1.7}
.footer-col h5{font-size:.88rem;font-weight:600;color:var(--text);margin-bottom:1rem}
.footer-col a{display:block;font-size:.82rem;color:var(--text-3);margin-bottom:.5rem;transition:color .3s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{padding-top:1.5rem;text-align:center;font-size:.78rem;color:var(--text-3);line-height:1.8}
.footer-bottom a{color:var(--text-2)}

/* ==================== Reveal Animation ==================== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ==================== Responsive ==================== */
@media(max-width:1024px){
.highlight-grid,.ai-feature-grid,.wb-scenario-grid{grid-template-columns:1fr}
.wb-features,.wb-pricing{grid-template-columns:repeat(2,1fr)}
.ai-capability-grid{grid-template-columns:repeat(2,1fr)}
.services-grid,.cases-grid{grid-template-columns:repeat(2,1fr)}
.creds-grid{grid-template-columns:repeat(3,1fr)}
.ip-grid{grid-template-columns:1fr}
.footer-top{grid-template-columns:1fr 1fr}
.about-grid{grid-template-columns:1fr;gap:2rem}
.contact-grid{grid-template-columns:1fr}
.hero h1{font-size:2.8rem}
.page-hero h1{font-size:2.2rem}
}
@media(max-width:768px){
.nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:rgba(5,8,16,.98);padding:1.5rem 2rem;gap:1rem;border-bottom:1px solid var(--border)}
.nav-links.active{display:flex}
.nav-toggle{display:flex}
.nav-cta{display:none}
.services-grid,.cases-grid{grid-template-columns:1fr}
.creds-grid{grid-template-columns:repeat(2,1fr)}
.wb-features,.wb-pricing{grid-template-columns:1fr}
.ai-capability-grid{grid-template-columns:1fr}
.stats-inner{grid-template-columns:repeat(2,1fr)}
.stat-item::after{display:none}
.footer-top{grid-template-columns:1fr}
.hero h1{font-size:2.2rem}
.page-hero h1{font-size:1.8rem}
.section-pad{padding:4rem 0}
.section-title{font-size:1.7rem}
.nav-inner{padding:.8rem 1.2rem}
.container{padding:0 1.2rem}
.wb-hero-card,.highlight-card,.ai-feature-card{padding:2rem 1.5rem}
}
@media(max-width:480px){
.creds-grid{grid-template-columns:1fr}
.stats-inner{grid-template-columns:1fr}
.about-features{grid-template-columns:1fr}
.hero h1{font-size:1.8rem}
.hero-desc{font-size:1rem}
.highlight-grid{gap:1rem}
}