*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#1a1a2e;line-height:1.6;background:#fafafa}
/* Nav */
.nav{position:fixed;top:0;width:100%;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);box-shadow:0 1px 20px rgba(0,0,0,.06);z-index:1000;padding:14px 0;transition:all .3s}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:22px;font-weight:800;color:#b71c1c;letter-spacing:1px}
.logo span{color:#1a1a2e}
.nav-links{display:flex;gap:28px}
.nav-links a{text-decoration:none;color:#555;font-size:14px;font-weight:500;transition:color .3s;position:relative}
.nav-links a:hover{color:#b71c1c}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;background:#b71c1c;transition:width .3s}
.nav-links a:hover::after{width:100%}
.nav-cta{background:linear-gradient(135deg,#b71c1c,#e53935);color:#fff;padding:10px 24px;border-radius:8px;text-decoration:none;font-weight:600;font-size:14px;transition:all .3s;box-shadow:0 4px 15px rgba(183,28,28,.3)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(183,28,28,.4)}
/* Hero */
.hero{min-height:100vh;background:linear-gradient(160deg,#f8f9fa 0%,#fff 30%,#fef5f5 70%,#f8f9fa 100%);display:flex;align-items:center;padding-top:60px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:800px;height:800px;background:radial-gradient(circle,rgba(183,28,28,.06) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-200px;left:-100px;width:600px;height:600px;background:radial-gradient(circle,rgba(183,28,28,.04) 0%,transparent 70%);border-radius:50%}
.hero-inner{max-width:1300px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-block;background:linear-gradient(135deg,rgba(183,28,28,.08),rgba(183,28,28,.04));color:#b71c1c;padding:10px 24px;border-radius:28px;font-size:14px;font-weight:600;margin-bottom:28px;border:1px solid rgba(183,28,28,.1)}
.hero h1{font-size:64px;font-weight:900;line-height:1.1;margin-bottom:24px;letter-spacing:-2px}
.hero h1 span{background:linear-gradient(135deg,#b71c1c,#e53935);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:18px;color:#666;margin-bottom:32px;line-height:1.9;max-width:540px}
.hero-stats{display:flex;gap:56px;margin-top:36px}
.hero-stat{text-align:center;position:relative}
.hero-stat::after{content:'';position:absolute;right:-24px;top:50%;transform:translateY(-50%);width:1px;height:40px;background:#e0e0e0}
.hero-stat:last-child::after{display:none}
.hero-stat-num{font-size:52px;font-weight:900;color:#b71c1c}
.hero-stat-label{font-size:14px;color:#999;margin-top:6px;font-weight:500}
.hero-stat-label .label-short{display:none}
/* Hero Card */
.hero-visual{position:relative}
.hero-card{background:#fff;border-radius:24px;box-shadow:0 30px 100px rgba(0,0,0,.12),0 0 0 1px rgba(0,0,0,.03);padding:36px;position:relative;z-index:2}
.hero-card-header{display:flex;gap:10px;margin-bottom:24px}
.hero-card-dot{width:14px;height:14px;border-radius:50%}
.hero-card-dot:nth-child(1){background:#ef5350}.hero-card-dot:nth-child(2){background:#ffc107}.hero-card-dot:nth-child(3){background:#66bb6a}
.hero-card-body{margin-top:16px;border-radius:8px;overflow:hidden;background:#f0f2f5;line-height:0;position:relative}
.watermarked{position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
.watermarked::after{content:'';position:absolute;inset:0;pointer-events:none;z-index:10;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='120' viewBox='0 0 220 120'%3E%3Ctext x='50%25' y='50%25' fill='rgba(183,28,28,.14)' font-size='14' font-family='Microsoft YaHei,sans-serif' font-weight='700' text-anchor='middle' dominant-baseline='middle' transform='rotate(-25 110 60)'%3E冠唐科技 演示系统%3C/text%3E%3C/svg%3E");background-repeat:repeat}
.feature-img-wrap{position:relative;display:inline-block;max-width:100%}
.feature-img-wrap img{display:block;width:100%;height:auto;-webkit-user-drag:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;filter:contrast(.9) brightness(.96) saturate(.92)}
.hero-card-body .mini-dashboard{filter:contrast(.9) brightness(.96) saturate(.92)}
body.no-image-context img{-webkit-touch-callout:none}
.mini-dashboard{display:flex;height:340px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:11px;color:#333;line-height:1.4}
.md-sidebar{width:48px;background:linear-gradient(180deg,#0d1b2a,#162d50);display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:14px;flex-shrink:0;border-radius:8px 0 0 8px}
.md-logo{color:var(--gt-gold);font-size:16px;font-weight:900;margin-bottom:8px}
.md-nav-item{width:28px;height:28px;border-radius:6px;background:rgba(255,255,255,.08);transition:background .2s}
.md-nav-item.active{background:var(--gt-red)}
.md-main{flex:1;background:#f8f9fb;display:flex;flex-direction:column;overflow:hidden;border-radius:0 8px 8px 0}
.md-topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:#fff;border-bottom:1px solid #eef0f3}
.md-breadcrumb{font-size:11px;color:#999}
.md-user{font-size:11px;color:var(--gt-blue);font-weight:600}
.md-kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:12px 16px}
.md-kpi{background:#fff;border-radius:8px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.md-kpi-num{font-size:18px;font-weight:800;color:var(--gt-blue)}
.md-kpi-label{font-size:10px;color:#999;margin:2px 0 6px}
.md-kpi-bar{height:4px;background:#eef0f3;border-radius:2px;overflow:hidden}
.md-kpi-bar i{display:block;height:100%;border-radius:2px}
.md-charts-row{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:10px;padding:0 16px 12px;flex:1;min-height:0}
.md-chart-card{background:#fff;border-radius:8px;padding:12px;box-shadow:0 2px 8px rgba(0,0,0,.04);display:flex;flex-direction:column}
.md-chart-title{font-size:11px;font-weight:700;color:var(--gt-blue);margin-bottom:8px}
.md-donut{flex:1;display:flex;align-items:center;justify-content:center}
.md-donut-ring{width:80px;height:80px;border-radius:50%;background:conic-gradient(var(--gt-red) 0% 18%,var(--gt-gold) 18% 50%,var(--gt-blue) 50% 85%,#3498db 85% 100%);display:flex;align-items:center;justify-content:center;position:relative}
.md-donut-ring::after{content:'';position:absolute;width:50px;height:50px;border-radius:50%;background:#fff}
.md-donut-ring span{position:relative;z-index:1;font-size:10px;font-weight:700;color:var(--gt-blue)}
.md-legend{display:flex;flex-wrap:wrap;gap:4px 8px;margin-top:6px}
.md-legend span{font-size:9px;color:#888;display:flex;align-items:center;gap:3px}
.md-legend i{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.md-bars{flex:1;display:flex;flex-direction:column;justify-content:center;gap:8px}
.md-bar-row{display:flex;align-items:center;gap:6px}
.md-bar-row span:first-child{width:36px;font-size:9px;color:#888;text-align:right;flex-shrink:0}
.md-bar-track{flex:1;height:8px;background:#eef0f3;border-radius:4px;overflow:hidden}
.md-bar-track i{display:block;height:100%;border-radius:4px}
.md-bar-row b{width:24px;font-size:9px;color:var(--gt-blue);font-weight:700}
.md-chart-wide{flex-direction:column}
.md-line-chart{flex:1;display:flex;align-items:flex-end}
.md-line-chart svg{width:100%;height:100%}
.mock-content{display:grid;grid-template-columns:200px 1fr;gap:20px}
.mock-sidebar{background:#f8f9fa;border-radius:12px;padding:16px}
.mock-menu-item{padding:12px 16px;border-radius:8px;margin-bottom:4px;font-size:14px;color:#888;transition:all .2s}
.mock-menu-item.active{background:linear-gradient(135deg,#b71c1c,#e53935);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(183,28,28,.3)}
.mock-main{display:flex;flex-direction:column;gap:12px}
.mock-cards-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mock-mini-card{background:#f8f9fa;border-radius:12px;padding:18px;text-align:center;transition:all .2s}
.mock-mini-card:hover{background:#fef5f5}
.mock-mini-card .num{font-size:26px;font-weight:800;color:#b71c1c}
.mock-mini-card .label{font-size:12px;color:#aaa;margin-top:4px}
.mock-chart{background:linear-gradient(135deg,#fef5f5,#fff);border-radius:12px;height:140px;display:flex;align-items:center;justify-content:center}
.mock-bars{display:flex;gap:12px;align-items:flex-end;height:100px}
.mock-bar{width:26px;border-radius:6px 6px 0 0;background:linear-gradient(180deg,#b71c1c,#ef5350);transition:height .3s}
.mock-bar:nth-child(1){height:45px}.mock-bar:nth-child(2){height:70px}.mock-bar:nth-child(3){height:55px}
.mock-bar:nth-child(4){height:85px}.mock-bar:nth-child(5){height:50px}.mock-bar:nth-child(6){height:75px}
/* Trust Bar */
.trust-bar{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:48px 0;position:relative;overflow:hidden}
.trust-bar::before{content:'';position:absolute;top:0;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,rgba(183,28,28,.5),transparent)}
.trust-inner{max-width:1200px;margin:0 auto;padding:0 40px;display:flex;justify-content:center;align-items:center;gap:80px;flex-wrap:wrap}
.trust-item{text-align:center;color:rgba(255,255,255,.7)}
.trust-item .num{font-size:38px;font-weight:900;color:#ef5350}
.trust-item .label{font-size:13px;margin-top:6px;font-weight:500}
/* Section Common */
.section-header{text-align:center;max-width:700px;margin:0 auto 48px}
.section-header .tag{display:inline-block;background:rgba(183,28,28,.08);color:#b71c1c;padding:8px 20px;border-radius:24px;font-size:13px;font-weight:600;margin-bottom:20px}
.section-header h2{font-size:44px;font-weight:900;margin-bottom:20px;letter-spacing:-0.5px}
.section-header p{font-size:17px;color:#888;line-height:1.7}
/* News Section */
.news-section{padding:48px 0 56px;background:#fff}
.news-grid{max-width:900px;margin:0 auto;padding:0 40px;display:flex;flex-direction:column;gap:12px}
.news-card{display:flex;gap:20px;background:#f8f9fa;border-radius:10px;padding:16px 20px;text-decoration:none;color:inherit;transition:all .3s;border:1px solid transparent}
.news-card:hover{background:#fff;box-shadow:0 4px 16px rgba(0,0,0,.07);border-color:rgba(183,28,28,.1);transform:translateY(-1px)}
.news-date{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:52px;height:52px;background:linear-gradient(135deg,#b71c1c,#e53935);border-radius:8px;color:#fff;flex-shrink:0}
.news-date .day{font-size:20px;font-weight:900;line-height:1}
.news-date .month{font-size:10px;margin-top:2px;opacity:.85}
.news-content{flex:1}
.news-content h3{font-size:15px;font-weight:600;color:#222;margin-bottom:4px;line-height:1.5}
.news-content p{font-size:13px;color:#888;line-height:1.6;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-link{display:none}
.news-card:hover .news-content h3{color:#b71c1c}
@media(max-width:768px){
.news-section{padding:32px 0 40px}
.news-grid{padding:0 20px;gap:10px}
.news-card{gap:14px;padding:14px 16px}
.news-date{min-width:44px;height:44px;border-radius:6px}
.news-date .day{font-size:17px}
.news-date .month{font-size:9px}
.news-content h3{font-size:14px}
.news-content p{display:none}
}
/* Architecture - Concentric Rings */
.arch-section{padding:80px 0;background:linear-gradient(180deg,#080818 0%,#0d1030 40%,#12153a 60%,#080818 100%);position:relative;overflow:hidden}
.arch-section::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 50% 40%,rgba(183,28,28,.06) 0%,transparent 60%);pointer-events:none}
.arch-section::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");pointer-events:none}
.arch-section .section-header h2{color:#fff}
.arch-section .section-header p{color:rgba(255,255,255,.5)}
.arch-section .section-header .tag{background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.1)}
.arch-diagram{max-width:1200px;margin:0 auto;position:relative}
.arch-image-wrap{max-width:1100px;margin:0 auto;text-align:center}
.arch-image{width:100%;height:auto;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,.2)}
.arch-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:8px 16px;font-size:13px;color:rgba(255,255,255,.8);transition:all .3s;white-space:nowrap}
.arch-item:hover{background:rgba(183,28,28,.2);border-color:rgba(183,28,28,.4);color:#fff}
.arch-icon{margin-right:4px}
/* Stagger animation */
.arch-image-wrap{animation:layerIn .6s .2s both}
@keyframes layerIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
/* Features Tab */
.features{padding:80px 0;background:linear-gradient(180deg,#f8f9fa,#fff,#f8f9fa);position:relative}
.features::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b71c1c' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");pointer-events:none}
.tab-nav{display:flex;justify-content:center;gap:14px;margin-bottom:36px;flex-wrap:wrap;position:relative;z-index:2}
.tab-btn{padding:14px 28px;border:2px solid #e8e8e8;border-radius:12px;background:#fff;font-size:15px;font-weight:600;color:#888;cursor:pointer;transition:all .3s}
.tab-btn:hover{border-color:#b71c1c;color:#b71c1c}
.tab-btn.active{background:linear-gradient(135deg,#b71c1c,#e53935);border-color:transparent;color:#fff;box-shadow:0 6px 20px rgba(183,28,28,.3)}
.tab-panel{display:none;animation:fadeIn .4s ease;position:relative;z-index:2}
.tab-panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.feature-detail{max-width:1300px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.feature-visual{background:#fff;border-radius:24px;padding:28px;min-height:380px;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 48px rgba(0,0,0,.08);border:1px solid rgba(0,0,0,.04)}
.feature-img-wrap{width:100%;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,#f0f2f5,#e8eaed);min-height:320px;display:flex;align-items:center;justify-content:center;position:relative}
.feature-img-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(16,34,59,.06),rgba(169,21,21,.04));border-radius:14px;pointer-events:none;z-index:2}
.feature-img-wrap img{width:100%;height:auto;display:block;border-radius:12px;transition:all .5s;filter:blur(0.4px) saturate(.82) brightness(.97);opacity:.88;object-fit:cover}
.feature-img-wrap:hover img{transform:scale(1.01);filter:blur(0px) saturate(.9) brightness(1);opacity:.94}
.feature-text h3{font-size:32px;font-weight:800;margin-bottom:14px}
.feature-text>p{font-size:16px;color:#777;line-height:1.8;margin-bottom:20px}
.feature-list{list-style:none;padding:0}
.feature-list li{padding:12px 0;font-size:16px;color:#555;display:flex;align-items:flex-start;gap:14px;border-bottom:1px solid #f5f5f5}
.feature-list li:last-child{border-bottom:none}
.feature-list li .icon{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#b71c1c,#e53935);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700;flex-shrink:0}
.feature-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.feature-tag{background:linear-gradient(135deg,rgba(183,28,28,.08),rgba(183,28,28,.04));color:#b71c1c;padding:8px 16px;border-radius:24px;font-size:13px;font-weight:600;border:1px solid rgba(183,28,28,.1)}
.ai-badge{display:inline-flex;align-items:center;gap:5px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:4px 12px;border-radius:16px;font-size:11px;font-weight:700;margin-left:8px}
/* Customers */
.customers-section{padding:80px 0;background:#fff;position:relative}
.customers-section::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23b71c1c' fill-opacity='0.015'%3E%3Cpath d='M20 0L40 20L20 40L0 20z'/%3E%3C/g%3E%3C/svg%3E");pointer-events:none}
.customers-cloud{max-width:1100px;margin:0 auto;padding:0 40px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px;position:relative;z-index:2}
.customer-tag{background:#fff;border:1px solid #ebebeb;padding:12px 24px;border-radius:10px;font-size:14px;color:#555;font-weight:500;transition:all .3s;cursor:default;box-shadow:0 2px 8px rgba(0,0,0,.03)}
.customer-tag:hover{border-color:#b71c1c;color:#b71c1c;transform:translateY(-3px);box-shadow:0 8px 20px rgba(183,28,28,.1);background:#fef5f5}
.customer-tag.provincial{font-size:15px;font-weight:700;color:#b71c1c;border-color:rgba(183,28,28,.15);padding:14px 28px}
.customer-tag.city{font-size:14px;font-weight:600;color:#333}
.customer-tag.district{font-size:13px;color:#888;padding:10px 20px}
.customer-tag.enterprise{font-size:14px;font-weight:600;color:#10223b;border-color:rgba(16,34,59,.15);background:linear-gradient(180deg,#fff,#f0f4f8)}
.customer-tag.university{font-size:14px;font-weight:600;color:#0f6b45;border-color:rgba(15,107,69,.15);background:linear-gradient(180deg,#fff,#f0faf4)}
.customers-category{margin-bottom:36px}
.customers-category:last-child{margin-bottom:0}
.customers-cat-title{display:flex;align-items:center;justify-content:center;gap:10px;font-size:18px;font-weight:700;color:var(--gt-blue);margin-bottom:20px;letter-spacing:.5px}
.customers-cat-title svg{color:var(--gt-red);flex-shrink:0}
/* Process Timeline */
.process-section{padding:100px 0;background:linear-gradient(180deg,#f5f0e8,#fffaf3);position:relative}
.process-tag{display:inline-block;background:linear-gradient(135deg,var(--gt-blue),var(--gt-red));color:#fff;padding:8px 22px;border-radius:4px;font-size:13px;font-weight:700;margin-bottom:20px;letter-spacing:.5px}
.process-timeline{max-width:900px;margin:0 auto;padding:0 40px;position:relative}
.process-timeline::before{content:'';position:absolute;left:72px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--gt-red),var(--gt-gold),rgba(16,34,59,.1))}
.process-step{display:grid;grid-template-columns:64px 1fr;gap:32px;margin-bottom:48px;position:relative}
.process-step:last-child{margin-bottom:0}
.process-step-num{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--gt-red),var(--gt-gold));color:#fff;font-size:20px;font-weight:900;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;box-shadow:0 12px 28px rgba(169,21,21,.2)}
.process-step-content{background:rgba(255,255,255,.86);border:1px solid rgba(16,34,59,.08);border-radius:12px;padding:32px;box-shadow:0 14px 34px rgba(16,34,59,.05);transition:all .3s}
.process-step-content:hover{transform:translateX(6px);box-shadow:0 20px 42px rgba(16,34,59,.08);border-color:rgba(169,21,21,.15)}
.process-step-content h3{font-size:22px;font-weight:800;color:var(--gt-blue);margin-bottom:10px}
.process-step-content>p{font-size:15px;color:rgba(21,25,39,.6);line-height:1.8;margin-bottom:16px}
.process-step-content ul{list-style:none;padding:0;margin:0}
.process-step-content li{position:relative;padding:6px 0 6px 20px;font-size:14px;color:rgba(21,25,39,.58);line-height:1.6}
.process-step-content li::before{content:'';position:absolute;left:0;top:14px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--gt-red),var(--gt-gold))}
.process-guarantee{max-width:900px;margin:56px auto 0;padding:0 40px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guarantee-item{display:flex;align-items:center;gap:14px;padding:20px;background:rgba(255,255,255,.86);border:1px solid rgba(16,34,59,.08);border-radius:10px;transition:all .3s;box-shadow:0 10px 24px rgba(16,34,59,.04)}
.guarantee-item:hover{border-color:rgba(169,21,21,.18);box-shadow:0 16px 34px rgba(16,34,59,.07)}
.guarantee-icon{width:52px;height:52px;border-radius:10px;background:linear-gradient(135deg,rgba(16,34,59,.06),rgba(169,21,21,.06));display:flex;align-items:center;justify-content:center;color:var(--gt-red);flex-shrink:0}
.guarantee-text strong{display:block;font-size:15px;color:var(--gt-blue);margin-bottom:4px}
.guarantee-text span{font-size:13px;color:rgba(21,25,39,.5);line-height:1.5}
/* CTA */
.cta-section{padding:80px 0;background:linear-gradient(135deg,#0d0d1a,#1a1a2e);text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:800px;height:800px;background:radial-gradient(circle,rgba(183,28,28,.12) 0%,transparent 60%);border-radius:50%}
.cta-section h2{font-size:42px;font-weight:900;color:#fff;margin-bottom:16px;position:relative;letter-spacing:-0.5px}
.cta-section p{font-size:18px;color:rgba(255,255,255,.5);margin-bottom:48px;position:relative}
.cta-btn{display:inline-block;background:linear-gradient(135deg,#b71c1c,#e53935);color:#fff;padding:18px 56px;border-radius:12px;text-decoration:none;font-size:18px;font-weight:700;transition:all .3s;position:relative;box-shadow:0 8px 30px rgba(183,28,28,.4)}
.cta-btn:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(183,28,28,.5)}
/* Footer */
.footer{background:#08080f;padding:64px 0 32px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:48px}
.footer-brand .logo{font-size:20px;color:#fff;margin-bottom:12px}
.footer-brand .logo span{color:#e53935}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.35);line-height:1.9}
.footer-col h4{color:rgba(255,255,255,.8);font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-col a{display:block;color:rgba(255,255,255,.35);text-decoration:none;font-size:13px;margin-bottom:10px;transition:color .3s}
.footer-col a:hover{color:#e53935}
.footer-bottom{max-width:1200px;margin:32px auto 0;padding:20px 40px 0;border-top:1px solid rgba(255,255,255,.06);text-align:center;color:rgba(255,255,255,.2);font-size:12px}
/* Responsive */
@media(max-width:1024px){
.process-guarantee{grid-template-columns:repeat(2,1fr)}
.why-us-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.hero-inner,.feature-detail{grid-template-columns:1fr;text-align:center;padding:0 20px}
.hero h1{font-size:32px;letter-spacing:-1px;line-height:1.15}
.hero-badge{font-size:12px;padding:8px 14px;white-space:normal;line-height:1.5}
.hero-desc{font-size:15px;line-height:1.7;margin:0 auto 28px}
.hero-stats{justify-content:center;gap:20px 24px;flex-wrap:wrap}
.hero-stat{flex:1 1 100%;min-width:100%;text-align:center}
.hero-stat::after{display:none}
.hero-stat-num{font-size:38px}
.hero-stat-label{font-size:13px}
.hero-text>div[style*="display:flex"]{justify-content:center}
.hero-text>div[style*="display:flex"] a{font-size:15px;padding:14px 28px}
.nav-links{display:none}
.mock-content{grid-template-columns:1fr}.mock-sidebar{display:none}
.tab-nav{gap:6px}.tab-btn{padding:8px 14px;font-size:12px}
.customers-cloud{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:0 20px;justify-items:stretch}
.customer-tag{width:100%;justify-content:center;font-size:13px;padding:10px 12px;box-sizing:border-box}
.process-timeline{padding:0 20px}
.process-timeline::before{left:42px}
.process-step{grid-template-columns:48px 1fr;gap:20px}
.process-step-num{width:48px;height:48px;font-size:16px}
.process-step-content{padding:22px}
.process-guarantee{grid-template-columns:1fr;padding:0 20px}
.arch-diagram{grid-template-columns:1fr}
.arch-layer-3{grid-column:span 1}
.arch-bottom-bar{grid-template-columns:1fr}
.footer-inner{grid-template-columns:1fr 1fr}
.mini-dashboard{height:220px;font-size:9px}
.md-sidebar{width:32px;padding:8px 0;gap:8px}
.md-logo{font-size:12px}
.md-nav-item{width:18px;height:18px}
.md-topbar{padding:6px 10px}
.md-breadcrumb,.md-user{font-size:9px}
.md-kpi-row{grid-template-columns:repeat(2,1fr);gap:6px;padding:8px 10px}
.md-kpi{padding:8px}
.md-kpi-num{font-size:14px}
.md-kpi-label{font-size:8px}
.md-charts-row{grid-template-columns:1fr;gap:6px;padding:0 10px 8px}
.md-chart-title{font-size:9px}
.md-donut-ring{width:56px;height:56px}
.md-donut-ring::after{width:34px;height:34px}
.md-donut-ring span{font-size:8px}
.md-legend{gap:2px 6px}
.md-legend span{font-size:8px}
.md-bar-row span:first-child{width:28px;font-size:8px}
.md-bar-track{height:6px}
.md-bar-row b{font-size:8px;width:20px}
.hero-card{padding:16px}
.hero-card-header{padding:8px 12px}
.hero-card-dot{width:6px;height:6px}
.why-us-grid{grid-template-columns:1fr;padding:0 20px}
.why-us-section{padding:60px 0}
.why-card{padding:24px 20px}
.why-card-icon{width:48px;height:48px}
.why-card-icon svg{width:24px;height:24px}
.why-card h3{font-size:17px}
.faq-section{padding:60px 0}
.faq-list{padding:0 20px}
.faq-item summary{padding:16px 18px;font-size:15px}
.faq-answer{padding:0 18px 18px;font-size:14px}
.cta-section{padding:60px 0}
.cta-section h2{font-size:28px}
.cta-section p{font-size:14px}
.cta-btn{padding:14px 32px;font-size:15px}
.footer-inner{grid-template-columns:1fr;gap:28px;text-align:center}
.footer-brand{text-align:center}
.footer-col{display:flex;flex-direction:column;align-items:center;gap:6px}
.process-step{margin-bottom:32px}
.process-step-content{padding:20px}
.process-step-content h3{font-size:18px}
.process-step-content p{font-size:13px}
.process-step-content li{font-size:12px}
.process-guarantee{gap:12px;padding:0 20px}
.guarantee-item{padding:14px}
.guarantee-icon{width:40px;height:40px}
.guarantee-text strong{font-size:13px}
.guarantee-text span{font-size:11px}
.tab-nav{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding:0 20px;gap:8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.tab-nav::-webkit-scrollbar{display:none}
.tab-btn{white-space:nowrap;flex-shrink:0;padding:10px 16px;font-size:13px}
.feature-visual{min-height:auto;padding:20px}
.feature-img-wrap{min-height:220px}
.feature-related{font-size:13px}
.feature-related a{margin-right:10px}
}
/* ===== Animations & Background Effects ===== */
/* Floating particles for hero */
.hero-particles{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;pointer-events:none;z-index:1}
.hero-particles span{position:absolute;display:block;width:6px;height:6px;background:rgba(183,28,28,.08);border-radius:50%;animation:floatUp 15s linear infinite}
.hero-particles span:nth-child(1){left:10%;width:8px;height:8px;animation-delay:0s;animation-duration:18s}
.hero-particles span:nth-child(2){left:20%;width:4px;height:4px;animation-delay:2s;animation-duration:14s}
.hero-particles span:nth-child(3){left:35%;width:6px;height:6px;animation-delay:4s;animation-duration:16s}
.hero-particles span:nth-child(4){left:50%;width:10px;height:10px;animation-delay:1s;animation-duration:20s}
.hero-particles span:nth-child(5){left:65%;width:5px;height:5px;animation-delay:3s;animation-duration:15s}
.hero-particles span:nth-child(6){left:80%;width:7px;height:7px;animation-delay:5s;animation-duration:17s}
.hero-particles span:nth-child(7){left:90%;width:4px;height:4px;animation-delay:2.5s;animation-duration:13s}
.hero-particles span:nth-child(8){left:45%;width:3px;height:3px;animation-delay:6s;animation-duration:19s}
@keyframes floatUp{0%{transform:translateY(100vh) rotate(0deg);opacity:0}10%{opacity:1}90%{opacity:1}100%{transform:translateY(-10vh) rotate(720deg);opacity:0}}
/* Pulse animation for hero stats */
.hero-stat-num{animation:pulseGlow 3s ease-in-out infinite alternate}
@keyframes pulseGlow{0%{text-shadow:0 0 0 transparent}100%{text-shadow:0 0 20px rgba(183,28,28,.15)}}
/* Floating animation for hero card */
.hero-card{animation:floatCard 6s ease-in-out infinite}
@keyframes floatCard{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
/* Shimmer effect on trust bar */
.trust-bar::after{content:'';position:absolute;top:0;left:-100%;width:50%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.03),transparent);animation:shimmer 8s linear infinite}
@keyframes shimmer{0%{left:-50%}100%{left:150%}}
/* Glow pulse for architecture center */
.arch-center{animation:archGlow 4s ease-in-out infinite alternate}
@keyframes archGlow{0%{box-shadow:0 0 60px rgba(183,28,28,.15),inset 0 0 40px rgba(183,28,28,.05)}100%{box-shadow:0 0 100px rgba(183,28,28,.25),inset 0 0 60px rgba(183,28,28,.1)}}
/* Orbital rotation for arch decoration */
.arch-orbit::before{content:'';position:absolute;top:50%;left:50%;width:440px;height:440px;border:1px dashed rgba(183,28,28,.1);border-radius:50%;transform:translate(-50%,-50%);animation:orbitSpin 30s linear infinite}
.arch-orbit::after{content:'';position:absolute;top:50%;left:50%;width:640px;height:640px;border:1px dashed rgba(255,255,255,.03);border-radius:50%;transform:translate(-50%,-50%);animation:orbitSpin 50s linear infinite reverse}
@keyframes orbitSpin{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}
/* Stagger animation for arch nodes */
.arch-node:nth-child(1){animation:fadeSlideIn .6s .1s both}
.arch-node:nth-child(2){animation:fadeSlideIn .6s .2s both}
.arch-node:nth-child(3){animation:fadeSlideIn .6s .3s both}
.arch-node:nth-child(4){animation:fadeSlideIn .6s .4s both}
.arch-node:nth-child(5){animation:fadeSlideIn .6s .5s both}
.arch-node:nth-child(6){animation:fadeSlideIn .6s .6s both}
.arch-node:nth-child(7){animation:fadeSlideIn .6s .7s both}
.arch-node:nth-child(8){animation:fadeSlideIn .6s .8s both}
@keyframes fadeSlideIn{from{opacity:0;transform:scale(.9) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}
/* Gradient text animation for section headers */
.section-header h2{background:linear-gradient(135deg,#1a1a2e,#b71c1c,#1a1a2e);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:gradientShift 6s ease infinite}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
/* Hover card tilt effect */
.feature-visual{transition:transform .4s cubic-bezier(.25,.46,.45,.94)}
.feature-visual:hover{transform:perspective(1000px) rotateY(-2deg) rotateX(1deg)}
/* Customer tags float animation */
.customer-tag{animation:tagFloat 4s ease-in-out infinite}
.customer-tag:nth-child(odd){animation-delay:.5s}
.customer-tag:nth-child(3n){animation-delay:1s}
@keyframes tagFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.customer-tag:hover{animation:none;transform:translateY(-4px)!important}
/* Process card shine effect */
.process-step-content::after{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent 40%,rgba(255,255,255,.08) 50%,transparent 60%);transform:rotate(45deg);transition:all .6s;opacity:0}
.process-step-content{position:relative;overflow:hidden}
.process-step-content:hover::after{opacity:1;left:100%;top:100%}
/* CTA section animated rings */
.cta-section .cta-ring{position:absolute;border-radius:50%;border:1px solid rgba(183,28,28,.1);animation:ctaRing 4s ease-out infinite}
.cta-section .cta-ring:nth-child(1){width:300px;height:300px;top:50%;left:50%;transform:translate(-50%,-50%)}
.cta-section .cta-ring:nth-child(2){width:500px;height:500px;top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:1s}
.cta-section .cta-ring:nth-child(3){width:700px;height:700px;top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:2s}
@keyframes ctaRing{0%{opacity:.5;transform:translate(-50%,-50%) scale(.8)}100%{opacity:0;transform:translate(-50%,-50%) scale(1.3)}}
/* Tab button ripple effect */
.tab-btn{position:relative;overflow:hidden}
.tab-btn::after{content:'';position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(183,28,28,.1);border-radius:50%;transform:translate(-50%,-50%);transition:width .4s,height .4s}
.tab-btn:active::after{width:200px;height:200px}
/* Executive visual polish */
:root{
--gt-red:#a91515;
--gt-red-bright:#d52b2b;
--gt-ink:#151927;
--gt-blue:#10223b;
--gt-gold:#c9a45c;
--gt-line:rgba(18,28,45,.1);
--gt-shadow:0 22px 70px rgba(16,34,59,.12);
}
body{
color:var(--gt-ink);
background:#f6f3ed;
font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
-webkit-font-smoothing:antialiased;
text-rendering:optimizeLegibility;
}
body::before{
content:'';
position:fixed;
inset:0;
z-index:-1;
pointer-events:none;
background:
linear-gradient(90deg,rgba(16,34,59,.035) 1px,transparent 1px),
linear-gradient(180deg,rgba(16,34,59,.028) 1px,transparent 1px);
background-size:44px 44px;
mask-image:linear-gradient(180deg,rgba(0,0,0,.7),rgba(0,0,0,.15) 55%,transparent);
}
.nav{
background:rgba(255,252,246,.9);
border-bottom:1px solid rgba(169,21,21,.12);
box-shadow:0 16px 45px rgba(16,34,59,.08);
}
.logo{
color:var(--gt-red);
letter-spacing:2px;
}
.logo::before{
content:'';
display:inline-block;
width:8px;
height:24px;
margin-right:10px;
vertical-align:-5px;
background:linear-gradient(180deg,var(--gt-gold),var(--gt-red));
border-radius:2px;
}
.nav-links a{color:rgba(21,25,39,.72);letter-spacing:.2px}
.nav-links a::after{height:3px;background:linear-gradient(90deg,var(--gt-gold),var(--gt-red))}
.nav-cta,.cta-btn{
border-radius:6px;
background:linear-gradient(135deg,#8f1111 0%,#c42424 48%,#e3b866 100%);
box-shadow:0 12px 28px rgba(169,21,21,.24);
}
.hero{
min-height:calc(100vh - 1px);
background:
linear-gradient(120deg,rgba(12,24,43,.94) 0%,rgba(18,31,51,.88) 38%,rgba(169,21,21,.72) 100%),
linear-gradient(180deg,#fff9ef,#f7f1e7);
color:#fff;
isolation:isolate;
}
.hero::before{
top:0;
right:0;
width:100%;
height:100%;
border-radius:0;
background:
linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px),
linear-gradient(180deg,rgba(255,255,255,.04) 1px,transparent 1px),
linear-gradient(140deg,transparent 0 52%,rgba(255,255,255,.08) 52% 52.25%,transparent 52.25%);
background-size:76px 76px,76px 76px,100% 100%;
opacity:.65;
}
.hero::after{
inset:auto 0 0 0;
width:100%;
height:190px;
border-radius:0;
background:linear-gradient(180deg,transparent,rgba(246,243,237,.95));
}
.hero-inner{max-width:1280px;gap:56px}
.hero-badge{
color:#ffe7aa;
background:rgba(255,255,255,.08);
border:1px solid rgba(255,231,170,.34);
border-radius:4px;
box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);
}
.hero h1{
color:#fff;
letter-spacing:0;
text-shadow:0 18px 45px rgba(0,0,0,.22);
}
.hero h1 span{
background:linear-gradient(135deg,#fff,#ffe1a1 35%,#ffb7a8 100%);
-webkit-background-clip:text;
-webkit-text-fill-color:transparent;
}
.hero-desc{color:rgba(255,255,255,.78)}
.hero-text>a,
.hero-text div[style*="display:flex"] a:last-child{
color:#fff!important;
border-color:rgba(255,255,255,.34)!important;
background:rgba(255,255,255,.08);
border-radius:6px!important;
backdrop-filter:blur(10px);
}
.hero-stat{text-align:left}
.hero-stat::after{background:rgba(255,255,255,.2)}
.hero-stat-num{
color:#ffe2a0;
letter-spacing:-1px;
}
.hero-stat-label{color:rgba(255,255,255,.66)}
.hero-card{
border-radius:8px;
background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,250,243,.95));
border:1px solid rgba(255,255,255,.8);
box-shadow:0 34px 90px rgba(0,0,0,.32),0 0 0 1px rgba(201,164,92,.18);
}
.hero-card-dot{border-radius:2px}
.hero-card-body{margin-top:12px}
.mock-sidebar,.mock-mini-card,.mock-chart,.feature-visual,.customer-tag,.process-step-content{
border-radius:8px;
}
.mock-sidebar{
background:#172238;
border:1px solid rgba(255,255,255,.08);
}
.mock-menu-item{color:rgba(255,255,255,.56);border-radius:6px}
.mock-menu-item.active{
background:linear-gradient(135deg,var(--gt-red),#d7a450);
box-shadow:none;
}
.mock-mini-card{
background:#f7f2ea;
border:1px solid rgba(16,34,59,.08);
}
.mock-mini-card .num{color:var(--gt-red)}
.mock-chart{
background:
linear-gradient(90deg,rgba(16,34,59,.06) 1px,transparent 1px),
linear-gradient(180deg,#fffaf2,#f4eee5);
background-size:34px 34px,100% 100%;
border:1px solid rgba(16,34,59,.07);
}
.mock-bar{background:linear-gradient(180deg,#d8b064,#a91515);border-radius:4px 4px 0 0}
.section-header h2{
color:var(--gt-ink);
background:none;
-webkit-text-fill-color:currentColor;
letter-spacing:0;
}
.section-header h2::after{
content:'';
display:block;
width:78px;
height:4px;
margin:18px auto 0;
background:linear-gradient(90deg,var(--gt-red),var(--gt-gold));
border-radius:2px;
}
.section-header p{color:rgba(21,25,39,.55)}
.features{
background:linear-gradient(180deg,#f6f3ed 0%,#fffaf3 48%,#f5f0e8 100%);
}
.features::before,.customers-section::before{
background:
linear-gradient(135deg,rgba(169,21,21,.035) 25%,transparent 25%) 0 0/28px 28px,
linear-gradient(315deg,rgba(16,34,59,.025) 25%,transparent 25%) 0 0/28px 28px;
}
.tab-btn{
border-radius:6px;
border:1px solid rgba(16,34,59,.12);
background:rgba(255,255,255,.72);
color:rgba(21,25,39,.66);
box-shadow:0 10px 24px rgba(16,34,59,.04);
}
.tab-btn.active{
background:linear-gradient(135deg,#10223b,#a91515);
box-shadow:0 16px 34px rgba(16,34,59,.16);
}
.feature-visual{
background:rgba(255,255,255,.86);
border:1px solid rgba(201,164,92,.22);
box-shadow:var(--gt-shadow);
}
.feature-img-wrap{background:linear-gradient(135deg,rgba(240,242,245,.6),rgba(232,234,237,.6))}
.feature-img-wrap img{border-radius:10px}
.feature-text h3{color:var(--gt-blue)}
.feature-text>p{color:rgba(21,25,39,.62)}
.feature-list li{
color:rgba(21,25,39,.72);
border-bottom:1px solid rgba(16,34,59,.08);
}
.feature-list li .icon{
border-radius:4px;
background:linear-gradient(135deg,var(--gt-blue),var(--gt-red));
}
.feature-tag{
border-radius:4px;
color:#8f1111;
background:#fff6e6;
border-color:rgba(201,164,92,.34);
}
.ai-badge{
border-radius:4px;
background:linear-gradient(135deg,#10223b,#c9a45c);
}
.arch-section{
background:
linear-gradient(135deg,rgba(7,11,20,.96),rgba(16,34,59,.95) 55%,rgba(74,18,20,.92)),
#0b1220;
}
.arch-section::before{
background:
linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px),
linear-gradient(180deg,rgba(255,255,255,.035) 1px,transparent 1px);
background-size:54px 54px;
}
.arch-image{
border-radius:8px;
border:1px solid rgba(255,255,255,.16);
box-shadow:0 32px 80px rgba(0,0,0,.36),0 0 0 1px rgba(201,164,92,.18);
}
.customers-section{background:#fffaf3}
.customers-cloud{
padding-top:10px;
padding-bottom:4px;
}
.customer-tag{
background:rgba(255,255,255,.82);
border-color:rgba(16,34,59,.1);
box-shadow:0 10px 28px rgba(16,34,59,.06);
color:rgba(21,25,39,.68);
}
.customer-tag.provincial{
color:#8f1111;
border-color:rgba(169,21,21,.28);
background:linear-gradient(180deg,#fff,#fff5e4);
}
.customer-tag.city{color:#263248}
.customer-tag.district{color:rgba(21,25,39,.58)}
.customer-tag.enterprise{background:rgba(255,255,255,.82);border-color:rgba(16,34,59,.1);color:#10223b}
.customer-tag.university{background:rgba(255,255,255,.82);border-color:rgba(15,107,69,.12);color:#0f6b45}
.customers-cat-title{color:var(--gt-blue)}
.process-section{
background:linear-gradient(180deg,#f5f0e8,#fffaf3);
}
.process-step-content{
background:rgba(255,255,255,.78);
}
.process-step-content:hover{
border-color:rgba(169,21,21,.18);
}
.guarantee-item{
background:rgba(255,255,255,.78);
}
.cta-section{
background:
linear-gradient(135deg,rgba(15,29,51,.96),rgba(93,20,25,.94)),
#10182a;
}
.cta-section::before{
inset:0;
width:100%;
height:100%;
transform:none;
border-radius:0;
background:
linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px),
linear-gradient(180deg,rgba(255,255,255,.035) 1px,transparent 1px);
background-size:62px 62px;
}
.cta-section h2{letter-spacing:0;text-shadow:0 16px 38px rgba(0,0,0,.25)}
.cta-section p{color:rgba(255,255,255,.68)}
.footer{
background:#090d16;
border-top:4px solid var(--gt-red);
}
.footer-brand p,.footer-col a{color:rgba(255,255,255,.48)}
.footer-col h4{color:#f1d291}
.footer-bottom{color:rgba(255,255,255,.28)}
/* Visual diagrams */
.hero-card{padding:24px}
.product-screen{
overflow:hidden;
border-radius:10px;
background:#0e1830;
border:1px solid rgba(16,34,59,.12);
box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.screen-top{
display:flex;
justify-content:space-between;
align-items:center;
padding:14px 18px;
color:#fff;
background:linear-gradient(90deg,#132748,#9f171b);
border-bottom:1px solid rgba(255,255,255,.08);
}
.screen-title{font-size:15px;font-weight:800;letter-spacing:.08em}
.screen-status{display:flex;gap:8px;align-items:center;font-size:12px;color:rgba(255,255,255,.68)}
.screen-status span{width:7px;height:7px;border-radius:50%;background:#e7bd68;box-shadow:0 0 14px rgba(231,189,104,.7)}
.screen-body{display:grid;grid-template-columns:164px 1fr;min-height:360px}
.screen-nav{
padding:16px 12px;
background:linear-gradient(180deg,#101b33,#0b1427);
border-right:1px solid rgba(255,255,255,.08);
}
.screen-nav div{
margin-bottom:8px;
padding:11px 12px;
color:rgba(255,255,255,.58);
border-radius:6px;
font-size:13px;
}
.screen-nav .active{
color:#fff;
background:linear-gradient(135deg,rgba(169,21,21,.9),rgba(201,164,92,.86));
box-shadow:0 10px 22px rgba(0,0,0,.22);
}
.screen-main{padding:16px;background:linear-gradient(180deg,#f9f5ed,#fff)}
.screen-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}
.screen-kpi{
padding:14px 12px;
border-radius:8px;
background:#fff;
border:1px solid rgba(16,34,59,.08);
box-shadow:0 10px 20px rgba(16,34,59,.06);
}
.screen-kpi strong{display:block;color:#9f171b;font-size:22px;line-height:1}
.screen-kpi span{display:block;margin-top:7px;color:rgba(21,25,39,.52);font-size:11px}
.screen-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:12px}
.portrait-panel,.analysis-panel{
min-height:210px;
border-radius:8px;
background:#fff;
border:1px solid rgba(16,34,59,.08);
box-shadow:0 12px 24px rgba(16,34,59,.06);
}
.portrait-panel{padding:16px;text-align:center}
.portrait-ring{
width:116px;
height:116px;
margin:0 auto 14px;
border-radius:50%;
display:grid;
place-items:center;
background:conic-gradient(#a91515 0 34%,#c9a45c 34% 62%,#10223b 62% 86%,#e8ded0 86% 100%);
}
.portrait-ring span{
width:82px;
height:82px;
border-radius:50%;
display:grid;
place-items:center;
background:#fff;
color:#9f171b;
font-size:26px;
font-weight:900;
}
.portrait-panel h4,.analysis-panel h4,.feature-board h4,.arch-board h4{margin:0;color:#172238;font-size:14px}
.portrait-tags{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.portrait-tags span,.mini-tag{
padding:4px 9px;
border-radius:999px;
color:#7e1b1b;
background:#fff2dc;
border:1px solid rgba(201,164,92,.28);
font-size:11px;
font-weight:700;
}
.analysis-panel{padding:16px}
.trend-bars{height:112px;display:flex;align-items:flex-end;gap:10px;margin:18px 0 14px}
.trend-bars span{
flex:1;
min-width:12px;
border-radius:4px 4px 0 0;
background:linear-gradient(180deg,#c9a45c,#9f171b);
box-shadow:0 8px 14px rgba(159,23,27,.14);
}
.trend-bars span:nth-child(1){height:42%}.trend-bars span:nth-child(2){height:58%}.trend-bars span:nth-child(3){height:48%}.trend-bars span:nth-child(4){height:72%}.trend-bars span:nth-child(5){height:62%}.trend-bars span:nth-child(6){height:86%}
.insight-line{display:flex;justify-content:space-between;gap:12px;padding-top:10px;border-top:1px solid rgba(16,34,59,.08);font-size:12px;color:rgba(21,25,39,.62)}
.insight-line strong{color:#0f6b45}
.feature-board{
width:100%;
min-height:330px;
padding:22px;
position:relative;
overflow:hidden;
border-radius:10px;
background:linear-gradient(180deg,#fff,#fbf6ec);
border:1px solid rgba(16,34,59,.08);
}
.feature-board::before{
content:'';
position:absolute;
inset:0;
pointer-events:none;
background:
linear-gradient(90deg,rgba(16,34,59,.045) 1px,transparent 1px),
linear-gradient(180deg,rgba(16,34,59,.035) 1px,transparent 1px);
background-size:30px 30px;
mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 72%);
}
.feature-board>*{position:relative;z-index:1}
.board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.board-eyebrow{color:#9f171b;font-size:12px;font-weight:800;letter-spacing:.1em}
.board-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.metric-tile,.info-tile,.secure-tile{
padding:14px;
border-radius:8px;
background:rgba(255,255,255,.86);
border:1px solid rgba(16,34,59,.08);
box-shadow:0 10px 20px rgba(16,34,59,.05);
}
.metric-tile strong,.info-tile strong,.secure-tile strong{display:block;color:#9f171b;font-size:21px;line-height:1}
.metric-tile span,.info-tile span,.secure-tile span{display:block;margin-top:7px;color:rgba(21,25,39,.55);font-size:11px}
.data-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.flow-node{
min-height:72px;
padding:13px 10px;
border-radius:8px;
color:#fff;
background:linear-gradient(135deg,#10223b,#9f171b);
box-shadow:0 16px 28px rgba(16,34,59,.12);
}
.flow-node b{display:block;font-size:13px}.flow-node small{display:block;margin-top:6px;opacity:.72;font-size:11px}
.health-strip{margin-top:14px;padding:12px 14px;border-radius:8px;background:#eef8f1;border:1px solid rgba(15,107,69,.14);color:#0f6b45;font-size:12px;font-weight:800}
.structure-radar{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:center}
.radar-core{
aspect-ratio:1;
border-radius:50%;
display:grid;
place-items:center;
background:
radial-gradient(circle,#fff 0 28%,transparent 29%),
conic-gradient(#9f171b 0 31%,#c9a45c 31% 59%,#10223b 59% 82%,#d8ded6 82% 100%);
box-shadow:inset 0 0 0 12px rgba(255,255,255,.68),0 20px 40px rgba(16,34,59,.1);
}
.radar-core strong{font-size:34px;color:#9f171b}.radar-core span{display:block;color:rgba(21,25,39,.48);font-size:12px}
.warning-list{display:grid;gap:10px}
.warning-list div{display:flex;justify-content:space-between;padding:12px 14px;border-radius:8px;background:#fff;border:1px solid rgba(16,34,59,.08);font-size:13px}
.ok{color:#0f8a56;font-weight:800}.warn{color:#b46b10;font-weight:800}
.profile-card{display:grid;grid-template-columns:116px 1fr;gap:16px;align-items:center}
.profile-avatar{width:104px;height:104px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#10223b,#9f171b 58%,#c9a45c);color:#fff;font-size:36px;font-weight:900;box-shadow:0 18px 34px rgba(16,34,59,.18)}
.score-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}
.score-box{padding:13px;border-radius:8px;background:#fff;border:1px solid rgba(16,34,59,.08)}
.score-box strong{color:#10223b;font-size:19px}.score-box span{margin-left:6px;color:rgba(21,25,39,.55);font-size:12px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.ai-stack{display:grid;gap:12px}
.ai-card{padding:16px;border-radius:8px;background:#fff;border:1px solid rgba(16,34,59,.08);box-shadow:0 10px 20px rgba(16,34,59,.05)}
.ai-card p{margin:8px 0 0;color:rgba(21,25,39,.62);font-size:13px;line-height:1.7}
.ai-query{margin-top:12px;padding:12px 14px;border-radius:8px;background:#f7efe2;border-left:4px solid #9f171b;color:#263248;font-size:13px}
.ability-list{display:grid;gap:10px}
.ability-row{display:grid;grid-template-columns:78px 1fr 38px;gap:10px;align-items:center;padding:10px 12px;border-radius:8px;background:#fff;border:1px solid rgba(16,34,59,.08);font-size:13px}
.ability-bar{height:7px;border-radius:999px;background:#ede7dc;overflow:hidden}
.ability-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#10223b,#9f171b,#c9a45c)}
.sand-table{display:grid;gap:10px}
.move-row{display:grid;grid-template-columns:38px 1fr 28px 1fr;gap:10px;align-items:center;padding:12px;border-radius:8px;background:#fff;border:1px solid rgba(16,34,59,.08)}
.move-row b{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#10223b,#9f171b)}
.move-row span{font-size:12px;color:rgba(21,25,39,.55)}
.move-row em{font-style:normal;color:#9f171b;font-weight:900;text-align:center}
.secure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.secure-tile{background:linear-gradient(180deg,#fff,#f6fbf8)}
.compat-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.compat-line span{padding:7px 12px;border-radius:6px;background:#fff;border:1px solid rgba(16,34,59,.1);font-size:12px;color:rgba(21,25,39,.66)}
.arch-image-wrap{text-align:left}
.arch-board{
width:100%;
padding:28px;
border-radius:12px;
color:#fff;
background:linear-gradient(135deg,rgba(255,255,255,.1),rgba(255,255,255,.04));
border:1px solid rgba(255,255,255,.16);
box-shadow:0 32px 80px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.08);
backdrop-filter:blur(12px);
}
.arch-board h4{color:#fff;font-size:18px;text-align:center;margin-bottom:20px}
.arch-layers{display:grid;gap:12px}
.arch-layer{
display:grid;
grid-template-columns:150px 1fr;
gap:14px;
align-items:stretch;
}
.arch-layer-title{
display:flex;
align-items:center;
justify-content:center;
padding:16px;
border-radius:8px;
color:#fff;
font-weight:900;
background:linear-gradient(135deg,#9f171b,#c9a45c);
box-shadow:0 16px 28px rgba(0,0,0,.16);
}
.arch-cells{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.arch-cell{
min-height:70px;
display:flex;
flex-direction:column;
justify-content:center;
padding:14px;
border-radius:8px;
background:rgba(255,255,255,.08);
border:1px solid rgba(255,255,255,.12);
}
.arch-cell b{font-size:14px}.arch-cell span{margin-top:5px;color:rgba(255,255,255,.58);font-size:11px}
.arch-foundation{
margin-top:16px;
display:grid;
grid-template-columns:repeat(3,1fr);
gap:10px;
}
.arch-foundation div{
padding:15px;
border-radius:8px;
text-align:center;
color:#ffe3a6;
background:rgba(201,164,92,.12);
border:1px solid rgba(201,164,92,.24);
font-weight:800;
font-size:13px;
}
@media(max-width:768px){
.nav-inner{padding:0 22px}
.hero{padding-top:92px}
.hero-inner{gap:34px;padding:0 22px}
.hero h1{font-size:38px}
.hero-desc{font-size:16px}
.hero-text div[style*="display:flex"]{justify-content:center}
.hero-stat{text-align:center}
.hero-card{padding:24px}
.section-header{padding:0 22px}
.section-header h2{font-size:34px}
.feature-detail{padding:0 22px}
.screen-body,.screen-grid,.structure-radar,.profile-card,.arch-layer{grid-template-columns:1fr}
.screen-nav{display:none}
.screen-kpis,.board-grid,.data-flow,.score-grid,.secure-grid,.arch-cells,.arch-foundation{grid-template-columns:1fr}
.feature-board{min-height:auto;padding:18px}
.ability-row{grid-template-columns:74px 1fr 34px}
.move-row{grid-template-columns:38px 1fr}
.move-row em{display:none}
.process-step{grid-template-columns:1fr;gap:16px}
.process-step-num{width:48px;height:48px;font-size:16px}
}
/* Scroll reveal helper */
.reveal{opacity:0;transform:translateY(30px);transition:all .8s cubic-bezier(.25,.46,.45,.94)}
.reveal.visible{opacity:1;transform:translateY(0)}
/* Why Choose Us Section */
.why-us-section{padding:100px 0;background:linear-gradient(180deg,#f6f3ed 0%,#fffaf3 50%,#f5f0e8 100%);position:relative}
.why-us-tag{display:inline-block;background:linear-gradient(135deg,var(--gt-blue),var(--gt-red));color:#fff;padding:8px 22px;border-radius:4px;font-size:13px;font-weight:700;margin-bottom:20px;letter-spacing:.5px}
.why-us-grid{max-width:1200px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.why-card{background:rgba(255,255,255,.86);border:1px solid rgba(16,34,59,.08);border-radius:12px;padding:36px 30px;transition:all .4s;box-shadow:0 14px 34px rgba(16,34,59,.05);position:relative;overflow:hidden}
.why-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--gt-red),var(--gt-gold));opacity:0;transition:opacity .4s}
.why-card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(16,34,59,.1);border-color:rgba(169,21,21,.18)}
.why-card:hover::before{opacity:1}
.why-card-icon{width:64px;height:64px;border-radius:12px;background:linear-gradient(135deg,rgba(16,34,59,.06),rgba(169,21,21,.06));display:flex;align-items:center;justify-content:center;color:var(--gt-red);margin-bottom:22px}
.why-card h3{font-size:20px;font-weight:800;color:var(--gt-blue);margin-bottom:12px;line-height:1.4}
.why-card p{font-size:15px;color:rgba(21,25,39,.62);line-height:1.8}
/* FAQ Section */
.faq-section{padding:100px 0;background:linear-gradient(180deg,#fff,#fffaf3,#f5f0e8);position:relative}
.faq-tag{display:inline-block;background:rgba(169,21,21,.08);color:#8f1111;padding:8px 22px;border-radius:4px;font-size:13px;font-weight:700;margin-bottom:20px;border:1px solid rgba(169,21,21,.15)}
.faq-list{max-width:860px;margin:0 auto;padding:0 40px}
.faq-item{background:rgba(255,255,255,.86);border:1px solid rgba(16,34,59,.08);border-radius:10px;margin-bottom:14px;overflow:hidden;box-shadow:0 10px 24px rgba(16,34,59,.04);transition:all .3s}
.faq-item[open]{border-color:rgba(169,21,21,.18);box-shadow:0 16px 36px rgba(16,34,59,.07)}
.faq-item summary{padding:22px 28px;cursor:pointer;font-size:17px;font-weight:700;color:var(--gt-blue);list-style:none;display:flex;align-items:center;justify-content:space-between;transition:color .3s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:22px;color:var(--gt-red);font-weight:700;transition:transform .3s;flex-shrink:0;margin-left:16px}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--gt-red)}
.faq-answer{padding:0 28px 24px;font-size:16px;color:rgba(21,25,39,.65);line-height:1.9}
.faq-answer strong{color:var(--gt-red);font-weight:700}
/* Floating Contact Widget */
.float-contact{position:fixed;right:28px;bottom:28px;z-index:9999;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.fc-toggle{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--gt-blue),var(--gt-red));color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 24px rgba(169,21,21,.3);transition:all .3s;position:relative}
.fc-toggle:hover{transform:scale(1.08);box-shadow:0 12px 32px rgba(169,21,21,.4)}
.fc-toggle svg{margin-top:1px}
.fc-label{font-size:9px;font-weight:700;margin-top:2px;letter-spacing:.5px;white-space:nowrap}
.fc-toggle.active{border-radius:14px}
.fc-panel{position:absolute;bottom:68px;right:0;width:260px;background:#fff;border-radius:16px;box-shadow:0 16px 48px rgba(0,0,0,.15);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s cubic-bezier(.25,.46,.45,.94);overflow:hidden}
.fc-panel.open{opacity:1;visibility:visible;transform:translateY(0)}
.fc-panel-header{display:flex;justify-content:space-between;align-items:center;padding:16px 18px 12px;border-bottom:1px solid #f0f0f0}
.fc-panel-header strong{font-size:16px;color:var(--gt-blue)}
.fc-close{width:24px;height:24px;border-radius:50%;background:#f5f5f5;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;color:#999;transition:all .2s;line-height:1}
.fc-close:hover{background:#eee;color:#333}
.fc-panel-body{padding:16px 18px 20px}
.fc-qr{text-align:center;padding-bottom:14px;border-bottom:1px solid #f0f0f0;margin-bottom:14px}
.fc-qr img{width:160px;height:160px;border-radius:8px;border:1px solid #eee}
.fc-qr span{display:block;font-size:12px;color:#999;margin-top:8px}
.fc-phones{display:flex;flex-direction:column;gap:10px}
.fc-phone-item{display:flex;align-items:center;gap:10px}
.fc-phone-item svg{color:var(--gt-red);flex-shrink:0}
.fc-phone-item strong{font-size:15px;color:var(--gt-blue);letter-spacing:.5px}
.fc-phone-item a{color:var(--gt-blue);text-decoration:none}
.fc-phone-item a:hover{text-decoration:underline}
#devtools-warning{position:fixed;inset:0;background:rgba(16,34,59,.95);z-index:100000;display:flex;align-items:center;justify-content:center;padding:20px}
#devtools-warning .devtools-box{background:#fff;border-radius:16px;padding:40px 32px;max-width:420px;width:100%;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.4)}
#devtools-warning .devtools-box strong{display:block;font-size:22px;color:var(--gt-blue);margin-bottom:16px}
#devtools-warning .devtools-box p{color:#666;font-size:15px;line-height:1.7;margin:0 0 24px}
#devtools-warning .devtools-box button{background:var(--gt-red);color:#fff;border:none;padding:12px 32px;border-radius:8px;font-size:15px;cursor:pointer;font-weight:600}
.fc-phone-item span{display:block;font-size:11px;color:#999;margin-top:1px}
@media(max-width:768px){.float-contact{right:16px;bottom:16px}.fc-toggle{width:48px;height:48px}.fc-panel{width:240px}}
@media(max-width:768px){
.why-us-grid{grid-template-columns:1fr}
.why-card{padding:28px 22px}
.faq-list{padding:0 20px}
.faq-item summary{padding:18px 20px;font-size:15px}
.faq-answer{padding:0 20px 18px;font-size:14px}
}
/* Brand definition / answer-first section for GEO */
.brand-definition{background:linear-gradient(180deg,#f6f3ed,#fffaf3);padding:48px 0;text-align:center;border-top:1px solid rgba(169,21,21,.08);border-bottom:1px solid rgba(169,21,21,.08)}
.brand-definition-inner{max-width:960px;margin:0 auto;padding:0 40px}
.brand-definition p{font-size:18px;line-height:1.9;color:rgba(21,25,39,.78);font-weight:500}
@media(max-width:768px){.brand-definition{padding:36px 0}.brand-definition-inner{padding:0 24px}.brand-definition p{font-size:16px}}
/* Cross-links between feature modules */
.feature-related{margin-top:20px;font-size:14px;color:rgba(21,25,39,.55)}
.feature-related span{margin-right:8px}
.feature-related a{display:inline-block;margin-right:12px;color:#8f1111;text-decoration:none;border-bottom:1px solid rgba(169,21,21,.25);transition:all .2s}
.feature-related a:hover{color:var(--gt-red);border-bottom-color:var(--gt-red)}