/* ==================== Reset & Base ==================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --purple:#6C5CE7;--blue:#0984E3;--dark:#2D3436;--orange:#FF6B35;
  --green:#00E676;--gray-bg:#F5F6FA;--white:#FFF;--text:#2D3436;
  --text-light:#636E72;--radius:12px;--radius-sm:8px;--max:1200px;
  --shadow:0 4px 24px rgba(0,0,0,.08);--shadow-lg:0 12px 40px rgba(0,0,0,.12);
  --transition:.3s cubic-bezier(.4,0,.2,1);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--white);overflow-x:hidden;line-height:1.6}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:inherit;border:none;outline:none}
ul{list-style:none}

/* ==================== Utility ==================== */
.container{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.text-center{text-align:center}
.gradient-text{background:linear-gradient(135deg,var(--purple),var(--blue));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:all var(--transition)}
.btn-primary{background:var(--purple);color:#fff;box-shadow:0 4px 16px rgba(108,92,231,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(108,92,231,.4)}
.btn-outline{background:transparent;border:2px solid var(--purple);color:var(--purple)}
.btn-outline:hover{background:var(--purple);color:#fff}
.btn-ghost{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.25)}
.tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:500}
.tag-purple{background:rgba(108,92,231,.1);color:var(--purple)}
.tag-orange{background:rgba(255,107,53,.1);color:var(--orange)}
.tag-blue{background:rgba(9,132,227,.1);color:var(--blue)}
.tag-green{background:rgba(0,230,118,.1);color:var(--green)}
.tag-gray{background:rgba(99,110,114,.1);color:var(--text-light)}

/* ==================== Navigation ==================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all var(--transition);padding:16px 0}
.nav.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 1px 12px rgba(0,0,0,.06);padding:10px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--max);margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;transition:color .3s}
.nav.scrolled .nav-logo{color:var(--text)}
.nav-logo-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;transition:color var(--transition);position:relative}
.nav.scrolled .nav-menu a{color:var(--text-light)}
.nav-menu a:hover{color:var(--purple)}
.nav-menu a.active{color:var(--purple);font-weight:600}
.nav-menu a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:var(--purple);transition:width var(--transition)}
.nav-menu a:hover::after,.nav-menu a.active::after{width:100%}
.nav-cta{padding:10px 22px;border-radius:var(--radius-sm);background:var(--purple);color:#fff!important;font-size:14px;font-weight:600;box-shadow:0 4px 16px rgba(108,92,231,.3);transition:all var(--transition)}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(108,92,231,.4)}
.nav-cta::after{display:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:all .3s}
.nav.scrolled .nav-toggle span{background:var(--text)}

/* ==================== Hero ==================== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,#0F0C29 0%,#1a1a3e 40%,#2D1B4E 70%,#1a1a3e 100%);overflow:hidden}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-bg canvas{position:absolute;top:0;left:0;width:100%;height:100%}
.hero-bg .orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;animation:float 12s ease-in-out infinite}
.hero-bg .orb1{width:400px;height:400px;background:var(--purple);top:-100px;right:-50px}
.hero-bg .orb2{width:350px;height:350px;background:var(--blue);bottom:-100px;left:-80px;animation-delay:3s}
.hero-bg .orb3{width:300px;height:300px;background:var(--orange);top:50%;right:20%;animation-delay:6s;opacity:.15}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,-30px) scale(1.1)}}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:0 24px;max-width:900px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:24px;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:24px;animation:fadeInUp .8s .1s both}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}
.hero h1{font-size:clamp(28px,5vw,56px);font-weight:800;line-height:1.2;margin-bottom:20px;animation:fadeInUp .8s .2s both}
.hero h1 .highlight{background:linear-gradient(135deg,#FF6B35,#FFB084);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.sub{font-size:clamp(15px,2vw,18px);color:rgba(255,255,255,.7);line-height:1.8;margin-bottom:36px;max-width:640px;margin-left:auto;margin-right:auto;animation:fadeInUp .8s .4s both}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;animation:fadeInUp .8s .6s both}
.hero-stats{display:flex;gap:48px;justify-content:center;margin-top:60px;animation:fadeInUp .8s .8s both}
.hero-stat{text-align:center}
.hero-stat .num{font-size:36px;font-weight:800;background:linear-gradient(135deg,#FF6B35,var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.5);margin-top:4px}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}

/* ==================== Page Hero (sub-pages) ==================== */
.page-hero{position:relative;padding:140px 0 60px;background:linear-gradient(135deg,#0F0C29 0%,#1a1a3e 40%,#2D1B4E 70%,#1a1a3e 100%);overflow:hidden}
.page-hero-bg{position:absolute;inset:0;overflow:hidden}
.page-hero-bg .orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.25;animation:float 12s ease-in-out infinite}
.page-hero-bg .orb1{width:300px;height:300px;background:var(--purple);top:-50px;right:-30px}
.page-hero-bg .orb2{width:250px;height:250px;background:var(--blue);bottom:-50px;left:-30px;animation-delay:3s}
.page-hero-content{position:relative;z-index:2;text-align:center;color:#fff}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:12px}
.page-hero p{font-size:16px;color:rgba(255,255,255,.65);max-width:600px;margin:0 auto}
.breadcrumb{display:flex;justify-content:center;gap:8px;font-size:13px;color:rgba(255,255,255,.4);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.6)}
.breadcrumb a:hover{color:#fff}

/* ==================== Section common ==================== */
.sec-header{text-align:center;margin-bottom:56px}
.sec-header h2{font-size:clamp(24px,3.5vw,36px);font-weight:800;margin-bottom:16px}
.sec-header p{font-size:16px;color:var(--text-light);max-width:600px;margin:0 auto}

/* ==================== Positioning ==================== */
.positioning{background:var(--gray-bg)}
.pos-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pos-card{background:#fff;border-radius:var(--radius);padding:40px 28px;text-align:center;transition:all var(--transition);border:1px solid rgba(0,0,0,.04)}
.pos-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.pos-icon{width:64px;height:64px;margin:0 auto 20px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px}
.pos-icon.purple{background:rgba(108,92,231,.12)}
.pos-icon.orange{background:rgba(255,107,53,.12)}
.pos-icon.blue{background:rgba(9,132,227,.12)}
.pos-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.pos-card .num{font-size:14px;color:var(--purple);font-weight:600;margin-bottom:4px}
.pos-card p{font-size:14px;color:var(--text-light)}

/* ==================== Product Showcase ==================== */
.product-showcase{background:#fff;position:relative;overflow:hidden}
.demo-container{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-top:48px}
.demo-left h3{font-size:28px;font-weight:800;margin-bottom:12px}
.demo-left .slogan{font-size:18px;color:var(--orange);font-weight:600;margin-bottom:20px}
.demo-left p.desc{font-size:15px;color:var(--text-light);line-height:1.8;margin-bottom:28px}
.demo-features{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.demo-cta{display:flex;gap:12px;flex-wrap:wrap}
.demo-right{position:relative}
.demo-box{background:var(--gray-bg);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.demo-box-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.demo-box-header .title{font-size:14px;font-weight:600;color:var(--text-light)}
.demo-box-header .size-select{display:flex;gap:6px}
.demo-size-btn{padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;border:1px solid #ddd;background:#fff;color:var(--text-light);transition:all .2s}
.demo-size-btn.active{background:var(--purple);color:#fff;border-color:var(--purple)}
.demo-canvas-wrap{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative}
.demo-col{text-align:center}
.demo-col .label{font-size:12px;color:var(--text-light);margin-bottom:8px;font-weight:600}
.demo-col canvas{width:100%;border-radius:8px;border:1px solid rgba(0,0,0,.06);background:#fff;display:block}
.demo-arrow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:var(--purple);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 4px 12px rgba(108,92,231,.4);z-index:2;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.1)}}
.demo-material{margin-top:16px;background:#fff;border-radius:8px;padding:12px 16px;border:1px solid rgba(0,0,0,.06)}
.demo-material-title{font-size:12px;font-weight:600;color:var(--text-light);margin-bottom:8px;display:flex;justify-content:space-between}
.demo-material-list{display:flex;flex-wrap:wrap;gap:6px}
.demo-color-chip{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--text-light)}
.demo-color-swatch{width:14px;height:14px;border-radius:3px;border:1px solid rgba(0,0,0,.1)}
.demo-progress{height:4px;background:var(--gray-bg);border-radius:2px;margin-top:12px;overflow:hidden}
.demo-progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--purple),var(--blue));border-radius:2px;transition:width 1.5s ease}
.demo-action{text-align:center;margin-top:16px}
.demo-btn{padding:10px 24px;border-radius:var(--radius-sm);background:var(--orange);color:#fff;font-size:14px;font-weight:600;transition:all .2s}
.demo-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,107,53,.4)}
.demo-btn:disabled{opacity:.5;cursor:not-allowed}

/* ==================== Usage Flow ==================== */
.flow{background:linear-gradient(180deg,var(--gray-bg),#fff)}
.flow-steps{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:40px}
.flow-step{display:flex;flex-direction:column;align-items:center;gap:8px}
.flow-step-circle{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;background:var(--purple);color:#fff;box-shadow:0 4px 12px rgba(108,92,231,.2);transition:all .3s}
.flow-step:hover .flow-step-circle{transform:scale(1.1);background:var(--orange)}
.flow-step-text{text-align:center}
.flow-step-text .step-title{font-size:14px;font-weight:600}
.flow-arrow{color:#ccc;font-size:20px;align-self:center;margin-top:-28px}
@media(min-width:769px){.flow-steps{align-items:flex-start}.flow-arrow{margin-top:18px}}

/* ==================== Community ==================== */
.community{background:#fff}
.waterfall{columns:4;column-gap:16px;margin-top:40px}
.wf-card{break-inside:avoid;margin-bottom:16px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition);cursor:pointer}
.wf-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.wf-img{width:100%;border-radius:var(--radius) var(--radius) 0 0;display:flex;align-items:center;justify-content:center;font-size:48px}
.wf-body{padding:12px 16px}
.wf-body .wf-title{font-size:14px;font-weight:600;margin-bottom:4px}
.wf-body .wf-author{font-size:12px;color:var(--text-light);display:flex;align-items:center;gap:6px}
.wf-body .wf-stats{font-size:12px;color:var(--text-light);display:flex;gap:12px;margin-top:6px}

/* ==================== Merchants ==================== */
.merchants{background:var(--gray-bg)}
.merchant-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.merchant-card{background:#fff;border-radius:var(--radius);padding:24px;transition:all var(--transition);border:1px solid rgba(0,0,0,.04)}
.merchant-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.merchant-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.merchant-avatar{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px}
.merchant-name{font-size:16px;font-weight:700}
.merchant-type{font-size:12px;color:var(--text-light)}
.merchant-stars{color:var(--orange);font-size:14px;margin-bottom:8px}
.merchant-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.merchant-info{font-size:13px;color:var(--text-light);display:flex;flex-direction:column;gap:4px}
.merchant-rating{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid rgba(0,0,0,.06)}
.merchant-rating .score{font-size:20px;font-weight:800;color:var(--orange)}

/* ==================== Product Matrix ==================== */
.product-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.product-matrix-card{background:#fff;border-radius:var(--radius);overflow:hidden;transition:all var(--transition);border:1px solid rgba(0,0,0,.04);cursor:pointer}
.product-matrix-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.product-matrix-card.online .pmc-banner{background:linear-gradient(135deg,var(--purple),var(--blue));height:180px;display:flex;align-items:center;justify-content:center;font-size:64px;color:#fff}
.product-matrix-card.offline .pmc-banner{background:var(--gray-bg);height:180px;display:flex;align-items:center;justify-content:center;font-size:64px;opacity:.3}
.pmc-body{padding:24px}
.pmc-name{font-size:18px;font-weight:700;margin-bottom:8px}
.pmc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.pmc-desc{font-size:13px;color:var(--text-light);line-height:1.6;margin-bottom:16px}
.pmc-status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:6px 14px;border-radius:20px}
.pmc-status.online{background:rgba(0,230,118,.12);color:var(--green)}
.pmc-status.offline{background:rgba(99,110,114,.1);color:var(--text-light)}
.pmc-status .dot{width:8px;height:8px;border-radius:50%}

/* ==================== Explore ==================== */
.explore{background:#fff;text-align:center}
.explore-chain{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:40px 0}
.explore-item{padding:10px 24px;border-radius:24px;font-size:14px;font-weight:600;background:var(--gray-bg);color:var(--text);transition:all .3s}
.explore-item:hover{background:var(--purple);color:#fff;transform:translateY(-2px)}
.explore-arrow{align-self:center;color:var(--purple);font-size:18px}
.explore-cta{margin-top:24px}
.explore-quote{max-width:600px;margin:0 auto 32px;font-size:16px;color:var(--text-light);font-style:italic;line-height:1.8}

/* ==================== About ==================== */
.about{background:var(--gray-bg)}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-top:40px}
.about-text h3{font-size:24px;font-weight:800;margin-bottom:16px}
.about-text p{font-size:15px;color:var(--text-light);line-height:1.8;margin-bottom:12px}
.values{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.value-card{background:#fff;border-radius:var(--radius);padding:24px;transition:all .3s;border-left:4px solid var(--purple)}
.value-card:nth-child(2){border-left-color:var(--blue)}
.value-card:nth-child(3){border-left-color:var(--orange)}
.value-card:nth-child(4){border-left-color:var(--green)}
.value-card h4{font-size:16px;font-weight:700;margin-bottom:6px}
.value-card p{font-size:13px;color:var(--text-light)}
.timeline{max-width:700px;margin:40px auto 0;position:relative;padding-left:32px}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--purple),var(--blue))}
.timeline-item{position:relative;margin-bottom:32px}
.timeline-item::before{content:'';position:absolute;left:-28px;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--purple)}
.timeline-date{font-size:13px;color:var(--purple);font-weight:600;margin-bottom:4px}
.timeline-title{font-size:16px;font-weight:700;margin-bottom:4px}
.timeline-desc{font-size:14px;color:var(--text-light)}

/* ==================== Contact ==================== */
.contact{background:#fff;text-align:center}
.contact-options{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:32px 0}
.contact-option{padding:10px 24px;border-radius:24px;font-size:14px;font-weight:600;background:var(--gray-bg);color:var(--text);transition:all .3s;cursor:pointer}
.contact-option:hover{background:var(--purple);color:#fff}
.contact-info{display:flex;justify-content:center;flex-wrap:wrap;gap:32px;margin-top:40px}
.contact-item{text-align:left}
.contact-item .label{font-size:12px;color:var(--text-light);margin-bottom:4px}
.contact-item .value{font-size:15px;font-weight:600}
.contact-form{max-width:560px;margin:40px auto 0;background:var(--gray-bg);border-radius:var(--radius);padding:32px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid #ddd;border-radius:var(--radius-sm);font-size:14px;font-family:inherit;background:#fff;transition:border .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--purple)}
.form-group textarea{resize:vertical;min-height:80px}
.form-submit{width:100%;padding:12px;border-radius:var(--radius-sm);background:var(--purple);color:#fff;font-size:15px;font-weight:600;transition:all .2s}
.form-submit:hover{background:#5b4bd0}

/* ==================== News ==================== */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.news-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all var(--transition);cursor:pointer;background:#fff;border:1px solid rgba(0,0,0,.04)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-cover{height:180px;display:flex;align-items:center;justify-content:center;font-size:48px}
.news-body{padding:20px}
.news-date{font-size:12px;color:var(--text-light);margin-bottom:8px;display:flex;gap:8px;align-items:center}
.news-title{font-size:16px;font-weight:700;margin-bottom:8px;line-height:1.4}
.news-summary{font-size:13px;color:var(--text-light);line-height:1.5}
.news-filters{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.news-filter{padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;background:var(--gray-bg);color:var(--text-light);cursor:pointer;transition:all .2s}
.news-filter.active,.news-filter:hover{background:var(--purple);color:#fff}

/* ==================== Pricing ==================== */
.pricing{background:var(--gray-bg)}
.pricing-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.pricing-card{background:#fff;border-radius:var(--radius);padding:32px 24px;text-align:center;transition:all var(--transition);border:1px solid rgba(0,0,0,.04);position:relative}
.pricing-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pricing-card.featured{border:2px solid var(--purple);box-shadow:0 8px 32px rgba(108,92,231,.15)}
.pricing-card .popular{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--purple);color:#fff;font-size:11px;padding:4px 12px;border-radius:12px;font-weight:600}
.pricing-tier{font-size:15px;font-weight:700;margin-bottom:8px}
.pricing-price{font-size:36px;font-weight:800;color:var(--purple);margin-bottom:4px}
.pricing-price .unit{font-size:14px;color:var(--text-light);font-weight:400}
.pricing-desc{font-size:13px;color:var(--text-light);margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid rgba(0,0,0,.06)}
.pricing-features{text-align:left;font-size:13px;color:var(--text-light);line-height:2;margin-bottom:24px}
.pricing-features li{display:flex;gap:8px;align-items:flex-start}
.pricing-features li::before{content:'✓';color:var(--green);font-weight:700;flex-shrink:0}
.pricing-features li.disabled{opacity:.4}
.pricing-features li.disabled::before{content:'✗';color:#ccc}
.pricing-btn{width:100%;padding:10px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;transition:all .2s}
.pricing-btn.primary{background:var(--purple);color:#fff}
.pricing-btn.secondary{background:var(--gray-bg);color:var(--text)}

/* ==================== Footer ==================== */
.footer{background:#1a1a2e;color:rgba(255,255,255,.6);padding:48px 0 24px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand .logo{color:#fff;font-size:18px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.footer-brand p{font-size:13px;line-height:1.6;margin-bottom:16px}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:12px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:13px;transition:color .2s}
.footer-col ul li a:hover{color:#fff}
.footer-qr{width:100px;height:100px;border-radius:8px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.4);margin-top:8px}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);font-size:12px}
.footer-bottom a{color:rgba(255,255,255,.4);margin:0 8px}

/* ==================== Mobile Nav ==================== */
.mobile-nav{position:fixed;bottom:0;left:0;right:0;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 -2px 12px rgba(0,0,0,.06);display:none;justify-content:space-around;padding:8px 0;z-index:999}
.mobile-nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;color:var(--text-light);cursor:pointer;transition:color .2s}
.mobile-nav-item.active{color:var(--purple)}
.mobile-nav-item svg{width:22px;height:22px}
.mobile-nav-cta{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:var(--purple);color:#fff;padding:10px 32px;border-radius:24px;font-size:14px;font-weight:600;box-shadow:0 4px 16px rgba(108,92,231,.4);z-index:1000;display:none}

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

/* ==================== QR Modal ==================== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:2000;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.modal-overlay.show{display:flex;opacity:1}
.modal-box{background:#fff;border-radius:16px;padding:40px;text-align:center;max-width:340px;transform:scale(.9);transition:transform .3s}
.modal-overlay.show .modal-box{transform:scale(1)}
.modal-box h3{font-size:18px;font-weight:700;margin-bottom:8px}
.modal-box p{font-size:14px;color:var(--text-light);margin-bottom:24px}
.modal-qr{width:200px;height:200px;border-radius:12px;background:var(--gray-bg);margin:0 auto 24px;display:flex;align-items:center;justify-content:center}
.modal-close{padding:8px 24px;border-radius:8px;background:var(--gray-bg);font-size:14px;font-weight:600;color:var(--text)}

/* ==================== Feature Detail (product page) ==================== */
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.feature-card{background:#fff;border-radius:var(--radius);padding:32px;border:1px solid rgba(0,0,0,.04);transition:all var(--transition)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.feature-card .fc-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.feature-card p{font-size:14px;color:var(--text-light);line-height:1.6}
.feature-card .fc-items{margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}

/* ==================== Responsive ==================== */
@media(max-width:1024px){
  .demo-container,.about-content{grid-template-columns:1fr}
  .waterfall{columns:3}
  .footer-top{grid-template-columns:1fr 1fr}
  .pricing-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .product-matrix{grid-template-columns:repeat(2,1fr)}
  .feature-list{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px;box-shadow:var(--shadow);gap:0}
  .nav-menu.open{display:flex}
  .nav-menu a{color:var(--text);padding:12px 16px;width:100%;border-bottom:1px solid rgba(0,0,0,.04)}
  .nav-cta{margin:8px 16px}
  .nav-toggle{display:flex}
  .nav.scrolled .nav-toggle span{background:var(--text)}
  .pos-cards{grid-template-columns:1fr}
  .waterfall{columns:2}
  .merchant-grid{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .mobile-nav{display:flex}
  .mobile-nav-cta{display:block}
  .section{padding:56px 0}
  .demo-canvas-wrap{grid-template-columns:1fr 1fr}
  .flow-steps{flex-direction:column;align-items:center}
  .flow-arrow{transform:rotate(90deg);margin:-8px 0}
  .pricing-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .product-matrix{grid-template-columns:1fr}
  .contact-info{gap:20px}
}
@media(max-width:480px){
  .waterfall{columns:1}
  .hero-stats{flex-wrap:wrap}
}