@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');:root{--primary:#0a6ebd;--primary-dark:#00548f;--primary-light:#1c8ad6;--accent:#00a8c4;--accent-dark:#00808f;--teal:#00897b;--teal-light:#26a69a;--bg-dark:#0a2647;--bg-darker:#04162b;--bg-section:#eef4f9;--bg-soft:#f7fbfd;--text-primary:#16212e;--text-secondary:#4a5a6b;--text-muted:#7a8c9c;--white:#ffffff;--radius-sm:8px;--radius:12px;--radius-lg:18px;--shadow-sm:0 2px 10px rgba(10,38,71,0.05);--shadow:0 6px 24px rgba(10,38,71,0.07);--shadow-lg:0 14px 40px rgba(10,38,71,0.12);--shadow-primary:0 12px 30px rgba(10,110,189,0.16);--shadow-card-glow:0 20px 50px rgba(10,110,189,0.16);--gradient-primary:linear-gradient(135deg,var(--primary),var(--accent));--gradient-accent:linear-gradient(135deg,var(--accent),var(--teal-light));--gradient-hero:linear-gradient(155deg,#052541 0%,#0a6ebd 38%,#00897b 72%,#1fa896 100%);--transition:0.28s cubic-bezier(0.4,0,0.2,1);--transition-slow:0.45s cubic-bezier(0.4,0,0.2,1);--font:'Inter','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);color:var(--text-primary);line-height:1.65;overflow-x:hidden;background:var(--white);-webkit-font-smoothing:antialiased;font-size:0.95rem;letter-spacing:0.1px}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
ul{list-style:none}
img{max-width:100%;height:auto}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
.scroll-progress{position:fixed;top:0;left:0;height:3px;z-index:1100;background:var(--gradient-primary);box-shadow:0 0 12px rgba(0,168,196,0.5);width:0;transition:width 0.1s linear}
.page-loader{position:fixed;inset:0;z-index:9999;background:var(--white);display:flex;align-items:center;justify-content:center;transition:opacity 0.5s,visibility 0.5s}
.page-loader.hidden{opacity:0;visibility:hidden}
.loader-water{display:flex;gap:8px;align-items:flex-end}
.loader-water span{width:6px;height:28px;border-radius:3px;background:var(--primary);animation:loader 0.9s ease-in-out infinite}
.loader-water span:nth-child(1){animation-delay:0s}
.loader-water span:nth-child(2){animation-delay:0.15s;height:40px}
.loader-water span:nth-child(3){animation-delay:0.3s}
@keyframes loader{0%,100%{transform:scaleY(0.6);opacity:0.5}
50%{transform:scaleY(1);opacity:1}
}
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.8s ease,transform 0.8s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.navbar{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,0.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:all var(--transition);border-bottom:1px solid transparent}
.navbar.scrolled{border-bottom-color:rgba(0,0,0,0.06);box-shadow:0 4px 24px rgba(0,0,0,0.06)}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-img{height:38px;width:auto}
.logo-text{font-size:1.25rem;font-weight:800;letter-spacing:0.5px;color:var(--text-primary)}
.logo-accent{color:var(--primary)}
.nav-menu{display:flex;gap:2px}
.nav-menu a{font-size:0.85rem;font-weight:500;color:var(--text-secondary);padding:7px 13px;border-radius:50px;transition:all var(--transition);position:relative}
.nav-menu a:hover{color:var(--primary);background:rgba(10,110,189,0.06)}
.nav-menu a.active{color:var(--white);background:var(--primary);box-shadow:0 4px 16px rgba(10,110,189,0.35)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;z-index:1001}
.nav-toggle span{display:block;width:26px;height:2.5px;background:var(--text-primary);border-radius:4px;transition:all 0.3s ease}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--gradient-hero);overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 15% 20%,rgba(0,168,196,0.28),transparent 35%),radial-gradient(circle at 85% 30%,rgba(38,166,154,0.22),transparent 38%),radial-gradient(circle at 50% 90%,rgba(26,143,212,0.20),transparent 45%);animation:heroMesh 14s ease-in-out infinite alternate}
@keyframes heroMesh{0%{transform:scale(1) translate(0,0)}
100%{transform:scale(1.08) translate(-2%,2%)}
}
.hero::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:0.18;background-image:linear-gradient(rgba(255,255,255,0.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.08) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,black 30%,transparent 70%);-webkit-mask-image:linear-gradient(180deg,black 30%,transparent 70%)}
.hero-particles{position:absolute;inset:0;pointer-events:none}
.hero-particles::before,.hero-particles::after{content:'';position:absolute;border-radius:50%;filter:blur(80px)}
.hero-particles::before{width:480px;height:480px;background:rgba(255,255,255,0.10);top:-140px;right:-120px;animation:floatParticle 9s ease-in-out infinite}
.hero-particles::after{width:360px;height:360px;background:rgba(0,168,196,0.22);bottom:-80px;left:-70px;animation:floatParticle 11s ease-in-out infinite reverse}
@keyframes floatParticle{0%,100%{transform:translate(0,0) scale(1)}
50%{transform:translate(30px,-20px) scale(1.12)}
}
.hero-wave{position:absolute;bottom:-2px;left:0;width:100%;height:140px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 140'%3E%3Cpath fill='white' d='M0,100 C200,30 480,130 720,80 C1000,20 1240,120 1440,60 L1440,140 L0,140Z'/%3E%3C/svg%3E") no-repeat bottom;background-size:cover}
.hero-content{position:relative;text-align:center;color:white;z-index:1;padding:0 24px;animation:heroIn 1.2s ease}
@keyframes heroIn{from{opacity:0;transform:translateY(50px)}
to{opacity:1;transform:translateY(0)}
}
.hero-badge{display:inline-block;padding:7px 22px;background:linear-gradient(135deg,rgba(255,255,255,0.18),rgba(255,255,255,0.08));border:1px solid rgba(255,255,255,0.3);border-radius:50px;font-size:0.85rem;font-weight:600;letter-spacing:3px;margin-bottom:24px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:heroIn 1.2s ease;box-shadow:0 8px 24px rgba(0,0,0,0.12),inset 0 1px 0 rgba(255,255,255,0.2);position:relative;overflow:hidden}
.hero-badge::after{content:'';position:absolute;top:0;left:-120%;width:80%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.4),transparent);animation:badgeShine 4.5s ease-in-out infinite}
@keyframes badgeShine{0%,70%{left:-120%}
100%{left:220%}
}
.hero-content h1{font-size:3.4rem;font-weight:900;letter-spacing:2px;margin-bottom:18px;line-height:1.18;text-shadow:0 4px 24px rgba(0,0,0,0.18),0 1px 2px rgba(0,0,0,0.1);background:linear-gradient(180deg,#ffffff 0%,#d6eef5 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:1.18rem;font-weight:500;margin-bottom:8px;opacity:0.95;letter-spacing:1.5px;text-shadow:0 2px 12px rgba(0,0,0,0.15)}
.hero-desc{font-size:1rem;opacity:0.78;margin-bottom:32px;font-weight:300;letter-spacing:0.5px;line-height:1.7}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;animation:heroIn 1.2s ease 0.15s both}
.hero-scroll-hint{position:absolute;bottom:60px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,0.5);font-size:0.85rem;display:flex;flex-direction:column;align-items:center;gap:8px;animation:heroIn 1.2s ease 0.5s both}
.hero-scroll-hint i{animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}
50%{transform:translateY(8px)}
}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:50px;font-size:0.9rem;font-weight:600;cursor:pointer;transition:all var(--transition);border:2px solid transparent;font-family:var(--font);letter-spacing:0.3px}
.btn-primary{background:var(--white);color:var(--primary);border-color:var(--white)}
.btn-primary:hover{background:transparent;color:var(--white);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,0.2)}
.btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,0.5)}
.btn-outline:hover{background:var(--white);color:var(--primary);border-color:var(--white);transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,0.2)}
.btn-gradient{background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--white);border:none;font-size:0.95rem;padding:13px 34px;box-shadow:0 8px 28px rgba(10,110,189,0.35);position:relative;overflow:hidden}
.btn-gradient::before{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.35),transparent);transition:left 0.6s ease}
.btn-gradient:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(10,110,189,0.45)}
.btn-gradient:hover::before{left:160%}
.btn-block{width:100%;justify-content:center}
.btn-lg{padding:18px 46px;font-size:1.05rem}
.section{padding:84px 0;position:relative;overflow:hidden}
.section-dark{background:var(--bg-dark);color:var(--white);position:relative}
.section-dark::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 12% 15%,rgba(0,168,196,0.10),transparent 38%),radial-gradient(circle at 88% 85%,rgba(38,166,154,0.10),transparent 40%)}
.section-dark::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:0.025;background-image:linear-gradient(rgba(255,255,255,1) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,1) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at center,black 30%,transparent 80%);-webkit-mask-image:radial-gradient(circle at center,black 30%,transparent 80%)}
.section-bg-dots{position:absolute;inset:0;pointer-events:none;opacity:0.03;background-image:radial-gradient(var(--primary) 1px,transparent 1px);background-size:30px 30px}
.section-advantages{padding:0 0 84px;margin-top:-44px}
.section-wave-top,.section-wave-bottom{position:absolute;left:0;width:100%;pointer-events:none}
.section-wave-top{top:-2px;height:80px}
.section-wave-bottom{bottom:-2px;height:80px;transform:rotate(180deg)}
.section-dark .section-wave-top{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80'%3E%3Cpath fill='white' d='M0,60 C300,20 600,60 900,40 C1100,20 1300,60 1440,20 L1440,80 L0,80Z'/%3E%3C/svg%3E") no-repeat top;background-size:cover}
.section-dark .section-wave-bottom{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80'%3E%3Cpath fill='white' d='M0,60 C300,20 600,60 900,40 C1100,20 1300,60 1440,20 L1440,80 L0,80Z'/%3E%3C/svg%3E") no-repeat top;background-size:cover}
.section-contact{background:linear-gradient(160deg,#063a5c 0%,#0077be 100%)}
.section-contact .section-wave-top{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80'%3E%3Cpath fill='white' d='M0,60 C300,20 600,60 900,40 C1100,20 1300,60 1440,20 L1440,80 L0,80Z'/%3E%3C/svg%3E") no-repeat top;background-size:cover}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:2.1rem;font-weight:800;color:inherit;margin-bottom:12px;letter-spacing:1.5px;line-height:1.3}
.section-dark .section-header h2,.section-contact .section-header h2{color:var(--white);background:linear-gradient(180deg,#ffffff 0%,#b6e0ee 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section-tag{font-size:0.72rem;font-weight:700;letter-spacing:4px;color:var(--primary);margin-bottom:12px;display:inline-block;padding:5px 14px;background:rgba(10,110,189,0.08);border-radius:50px;border:1px solid rgba(10,110,189,0.12)}
.section-tag.light{color:var(--accent);background:rgba(0,168,196,0.10);border-color:rgba(0,168,196,0.18)}
.divider{display:flex;align-items:center;justify-content:center;margin:0 auto 20px;gap:10px}
.divider::before,.divider::after{content:'';display:block;width:8px;height:8px;border-radius:50%;background:var(--primary);opacity:0.4}
.section-dark .divider::before,.section-dark .divider::after,.section-contact .divider::before,.section-contact .divider::after{background:var(--accent);opacity:0.5}
.divider span{display:block;width:48px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));position:relative;overflow:hidden}
.divider span::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.6),transparent);animation:dividerShine 3s ease-in-out infinite}
@keyframes dividerShine{0%{transform:translateX(-100%)}
100%{transform:translateX(100%)}
}
.section-dark .divider span,.section-contact .divider span{background:linear-gradient(90deg,var(--accent),var(--teal-light))}
.section-header p{color:var(--text-muted);font-size:0.98rem;letter-spacing:0.3px}
.section-dark .section-header p{color:rgba(255,255,255,0.65)}
.section-contact .section-header p{color:rgba(255,255,255,0.75)}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.about-feature{display:flex;gap:14px;margin-bottom:20px}
.feature-dot{width:9px;height:9px;border-radius:50%;margin-top:7px;flex-shrink:0}
.feature-dot.blue{background:var(--primary);box-shadow:0 0 16px rgba(10,110,189,0.4)}
.feature-dot.teal{background:var(--teal);box-shadow:0 0 16px rgba(0,137,123,0.4)}
.feature-dot.dark{background:var(--bg-dark);box-shadow:0 0 16px rgba(11,30,51,0.3)}
.about-feature p{color:var(--text-secondary);font-size:0.95rem;line-height:1.7}
.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.stat-item{background:linear-gradient(180deg,var(--white),var(--bg-soft));border-radius:var(--radius);padding:22px 16px;text-align:center;box-shadow:var(--shadow-sm);border:1px solid #dce8f2;transition:all var(--transition-slow);position:relative;overflow:hidden}
.stat-item::before{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;border-radius:0 0 var(--radius) var(--radius);background:var(--gradient-primary);transform:scaleX(0.2);transform-origin:center;transition:transform var(--transition-slow)}
.stat-item::after{content:'';position:absolute;top:-40%;left:-40%;width:160px;height:160px;background:radial-gradient(circle,rgba(0,168,196,0.08) 0%,transparent 70%);opacity:0;transition:opacity var(--transition)}
.stat-item:hover{transform:translateY(-8px);box-shadow:var(--shadow-primary);border-color:rgba(10,110,189,0.20)}
.stat-item:hover::before{transform:scaleX(1)}
.stat-item:hover::after{opacity:1}
.stat-icon{width:44px;height:44px;margin:0 auto 12px;border-radius:12px;background:linear-gradient(135deg,rgba(10,110,189,0.10),rgba(0,168,196,0.12));display:flex;align-items:center;justify-content:center;font-size:1.15rem;color:var(--primary);transition:all var(--transition);border:1px solid rgba(10,110,189,0.06)}
.stat-item:hover .stat-icon{background:var(--gradient-primary);color:var(--white);transform:scale(1.08);box-shadow:0 8px 24px rgba(10,110,189,0.3)}
.stat-number{font-size:2.4rem;font-weight:900;line-height:1.1;background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-suffix{font-size:1.1rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{display:block;font-size:0.82rem;color:var(--text-muted);margin-top:6px;letter-spacing:0.3px}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{background:linear-gradient(135deg,rgba(255,255,255,0.06),rgba(255,255,255,0.02));border:1px solid rgba(255,255,255,0.10);border-radius:var(--radius);padding:30px 24px;position:relative;overflow:hidden;transition:all var(--transition-slow);cursor:pointer;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform 0.4s ease}
.service-card:hover{transform:translateY(-12px);background:linear-gradient(135deg,rgba(255,255,255,0.10),rgba(255,255,255,0.04));border-color:rgba(0,168,196,0.30);box-shadow:0 24px 60px rgba(0,0,0,0.28),0 0 40px rgba(0,168,196,0.10)}
.service-card:hover::before{transform:scaleX(1)}
.service-card::after{content:'';position:absolute;top:-50%;right:-50%;width:220px;height:220px;background:radial-gradient(circle,rgba(0,168,196,0.12) 0%,transparent 70%);opacity:0;transition:opacity var(--transition)}
.service-card:hover::after{opacity:1}
.service-icon-wrap{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;position:relative;z-index:1}
.service-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(0,168,196,0.18),rgba(10,110,189,0.18));display:flex;align-items:center;justify-content:center;font-size:1.35rem;color:var(--accent);transition:all var(--transition-slow);border:1px solid rgba(0,168,196,0.18)}
.service-card:hover .service-icon{background:linear-gradient(135deg,var(--accent),var(--primary));color:var(--white);box-shadow:0 10px 30px rgba(0,168,196,0.4);transform:scale(1.06)}
.service-index{font-size:2.1rem;font-weight:900;color:rgba(255,255,255,0.07);line-height:1}
.service-card h3{font-size:1.12rem;font-weight:700;color:var(--white);margin-bottom:8px;position:relative;z-index:1}
.service-card p{color:rgba(255,255,255,0.58);font-size:0.88rem;line-height:1.65;position:relative;z-index:1}
.service-arrow{display:inline-flex;margin-top:14px;color:var(--accent);font-size:0.85rem;transition:transform var(--transition);position:relative;z-index:1}
.service-card:hover .service-arrow{transform:translateX(8px)}
.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.advantage-card{background:linear-gradient(180deg,var(--white),var(--bg-soft));border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow-sm);border:1px solid #dce8f2;transition:all var(--transition-slow);position:relative;overflow:hidden}
.advantage-card::before{content:'';position:absolute;top:0;left:50%;width:50%;height:3px;transform:translateX(-50%);background:var(--gradient-primary);border-radius:0 0 4px 4px;opacity:0;transition:opacity var(--transition);margin-top:-1px}
.advantage-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-primary);border-color:rgba(10,110,189,0.16)}
.advantage-card:hover::before{opacity:1}
.advantage-card:hover .advantage-number{background:var(--gradient-primary);color:var(--white);transform:scale(1.10) rotate(6deg);box-shadow:0 8px 24px rgba(10,110,189,0.35)}
.advantage-number{width:40px;height:40px;margin:0 auto 14px;border-radius:50%;background:rgba(10,110,189,0.08);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:800;color:var(--primary);transition:all var(--transition-slow)}
.advantage-card h3{font-size:1.02rem;font-weight:700;margin-bottom:6px}
.advantage-card p{color:var(--text-muted);font-size:0.85rem;line-height:1.55}
.coverage-content{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.coverage-visual{display:flex;align-items:center;justify-content:center}
.map-hunan{width:100%;max-width:380px;background:linear-gradient(135deg,rgba(10,110,189,0.02),rgba(0,137,123,0.02));border-radius:var(--radius-lg);padding:14px 14px 10px;border:1px solid rgba(10,110,189,0.10);box-shadow:0 8px 26px rgba(10,38,71,0.06)}
.map-hunan svg{width:100%;height:auto;display:block}
.map-legend{display:flex;justify-content:center;gap:20px;margin-top:8px;padding-top:8px;border-top:1px dashed rgba(10,110,189,0.15);font-size:0.78rem;color:var(--text-muted)}
.map-legend-item{display:inline-flex;align-items:center;gap:6px}
.map-legend-item .dot{width:10px;height:10px;border-radius:50%;display:inline-block;flex-shrink:0;border:2px solid var(--white);box-shadow:0 1px 4px rgba(0,0,0,0.15)}
.map-legend-item .dot-master{background:#e63946}
.map-legend-item .dot-branch{background:#0a6ebd}
.map-outline{fill:rgba(10,110,189,0.05);stroke:rgba(10,110,189,0.45);stroke-width:2.2;stroke-linejoin:round;filter:drop-shadow(0 6px 18px rgba(10,110,189,0.18))}
.map-region{fill:url(#mapHatch);opacity:0.9;pointer-events:none}
.map-lake{fill:rgba(0,168,196,0.08);stroke:rgba(0,168,196,0.2);stroke-width:1}
.map-lines line{stroke:var(--accent);stroke-width:1.2;stroke-dasharray:4 3;animation:lineFlow 3s linear infinite}
.map-lines line:nth-child(1){animation-delay:0s}
.map-lines line:nth-child(2){animation-delay:0.23s}
.map-lines line:nth-child(3){animation-delay:0.46s}
.map-lines line:nth-child(4){animation-delay:0.69s}
.map-lines line:nth-child(5){animation-delay:0.92s}
.map-lines line:nth-child(6){animation-delay:1.15s}
.map-lines line:nth-child(7){animation-delay:1.38s}
.map-lines line:nth-child(8){animation-delay:1.61s}
.map-lines line:nth-child(9){animation-delay:1.84s}
.map-lines line:nth-child(10){animation-delay:2.07s}
.map-lines line:nth-child(11){animation-delay:2.3s}
.map-lines line:nth-child(12){animation-delay:2.53s}
.map-lines line:nth-child(13){animation-delay:2.76s}
@keyframes lineFlow{0%{stroke-dashoffset:0;stroke-opacity:0.2}
50%{stroke-dashoffset:-14;stroke-opacity:0.55}
100%{stroke-dashoffset:-28;stroke-opacity:0.2}
}
.city-dot-master{animation:masterPulse 1.8s ease-in-out infinite}
@keyframes masterPulse{0%,100%{r:7}
50%{r:9}
}
.city-dot-pulse{animation:dotRipple 1.8s ease-out infinite;transform-origin:265px 168px;opacity:0}
@keyframes dotRipple{0%{r:7;opacity:0.8;stroke-width:2}
100%{r:22;opacity:0;stroke-width:0.5}
}
.city-dot-branch{fill:var(--primary);stroke:white;stroke-width:1.5;cursor:pointer;transition:all var(--transition);animation:branchPulse 2.5s ease-in-out infinite}
.city-dot-branch:nth-child(2){animation-delay:0s}
.city-dot-branch:nth-child(3){animation-delay:0.19s}
.city-dot-branch:nth-child(4){animation-delay:0.38s}
.city-dot-branch:nth-child(5){animation-delay:0.57s}
.city-dot-branch:nth-child(6){animation-delay:0.76s}
.city-dot-branch:nth-child(7){animation-delay:0.95s}
.city-dot-branch:nth-child(8){animation-delay:1.14s}
.city-dot-branch:nth-child(9){animation-delay:1.33s}
.city-dot-branch:nth-child(10){animation-delay:1.52s}
.city-dot-branch:nth-child(11){animation-delay:1.71s}
.city-dot-branch:nth-child(12){animation-delay:1.9s}
.city-dot-branch:nth-child(13){animation-delay:2.09s}
.city-dot-branch:nth-child(14){animation-delay:2.28s}
@keyframes branchPulse{0%,100%{r:4.5;opacity:0.7}
50%{r:5.5;opacity:1}
}
.city-dot-branch:hover{r:7;fill:#e63946}
.city-labels text{transition:fill var(--transition);pointer-events:none}
.coverage-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.city-group{background:linear-gradient(180deg,var(--white),var(--bg-soft));border-radius:var(--radius);padding:18px 18px 14px;box-shadow:var(--shadow-sm);border:1px solid #dce8f2;transition:all var(--transition-slow);position:relative;overflow:hidden}
.city-group::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-slow)}
.city-group:hover{transform:translateY(-6px);box-shadow:var(--shadow-primary);border-color:rgba(10,110,189,0.16)}
.city-group:hover::before{transform:scaleX(1)}
.city-group-header{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid rgba(10,110,189,0.08)}
.city-group-header i{color:var(--primary);font-size:0.9rem;width:26px;height:26px;border-radius:8px;background:rgba(10,110,189,0.08);display:flex;align-items:center;justify-content:center}
.city-group-header h3{font-size:1rem;font-weight:700;color:var(--text-primary)}
.city-group ul li{padding:6px 0;font-size:0.88rem;display:flex;align-items:center;gap:10px;position:relative}
.city-group ul li a{color:var(--text-secondary);text-decoration:none;transition:color var(--transition)}
.city-group ul li a:hover{color:var(--primary)}
.city-dot{width:8px;height:8px;border-radius:50%;background:var(--gradient-primary);display:inline-block;box-shadow:0 2px 6px rgba(10,110,189,0.4)}
.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:12px}
.contact-card{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,rgba(255,255,255,0.08),rgba(255,255,255,0.03));border:1px solid rgba(255,255,255,0.12);border-radius:var(--radius);padding:16px 20px;transition:all var(--transition-slow);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);position:relative;overflow:hidden}
.contact-card::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gradient-accent);transform:scaleY(0);transform-origin:bottom;transition:transform var(--transition)}
.contact-card:hover{transform:translateX(10px);background:linear-gradient(135deg,rgba(255,255,255,0.12),rgba(255,255,255,0.05));border-color:rgba(0,168,196,0.3);box-shadow:0 12px 32px rgba(0,0,0,0.18)}
.contact-card:hover::before{transform:scaleY(1)}
.contact-card-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--teal-light));display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.1rem;flex-shrink:0;box-shadow:0 8px 20px rgba(0,168,196,0.3);transition:transform var(--transition)}
.contact-card:hover .contact-card-icon{transform:scale(1.08) rotate(-4deg)}
.contact-card-body h4{font-size:0.75rem;color:rgba(255,255,255,0.5);margin-bottom:2px;font-weight:500}
.contact-card-body a,.contact-card-body span{font-size:0.98rem;font-weight:600;color:var(--white)}
.contact-card-body a:hover{color:var(--accent)}
.contact-form{background:var(--white);border-radius:var(--radius-lg);padding:30px 28px;box-shadow:var(--shadow-lg),0 0 0 1px rgba(10,110,189,0.06);color:var(--text-primary);position:relative}
.form-header{margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid #eef3f7;position:relative}
.form-header::after{content:'';position:absolute;bottom:-1px;left:0;width:50px;height:3px;background:var(--gradient-primary);border-radius:2px}
.form-header h3{font-size:1.3rem;font-weight:800;margin-bottom:4px;letter-spacing:0.3px}
.form-header p{color:var(--text-muted);font-size:0.86rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 16px;margin-bottom:12px;border:2px solid #d8e4ee;border-radius:10px;font-size:0.9rem;font-family:var(--font);transition:all var(--transition);outline:none;background:#f4f8fb}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--primary);background:var(--white);box-shadow:0 0 0 4px rgba(10,110,189,0.08),0 8px 20px rgba(10,110,189,0.10);transform:translateY(-1px)}
.contact-form textarea{resize:vertical;min-height:120px}
.footer{background:var(--bg-darker);color:rgba(255,255,255,0.65);padding:60px 0 0;position:relative;overflow:hidden}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(0,168,196,0.3),transparent)}
.footer-curve{position:absolute;top:-2px;left:0;width:100%;height:60px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 60'%3E%3Cpath fill='%23063a5c' d='M0,50 C200,10 600,60 900,30 C1100,10 1300,50 1440,20 L1440,60 L0,60Z'/%3E%3C/svg%3E") no-repeat top;background-size:cover}
.footer-content{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.6fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-brand h3{font-size:1.2rem;font-weight:800;color:var(--white);margin-bottom:10px;background:linear-gradient(180deg,#ffffff,#b6e0ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.footer-brand>p{color:rgba(255,255,255,0.45);font-size:0.86rem;line-height:1.6}
.footer-social{display:flex;gap:10px;margin-top:16px}
.social-btn{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.5);font-size:1rem;transition:all var(--transition)}
.social-btn:hover{background:var(--gradient-primary);color:var(--white);transform:translateY(-3px);box-shadow:0 8px 20px rgba(10,110,189,0.35);border-color:transparent}
.footer-links h4,.footer-contact h4,.footer-cities h4{color:var(--white);font-size:1rem;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-links h4::after,.footer-contact h4::after,.footer-cities h4::after{content:'';position:absolute;bottom:0;left:0;width:32px;height:3px;background:var(--gradient-accent);border-radius:2px}
.footer-links ul li{margin-bottom:9px}
.footer-links ul li a{color:rgba(255,255,255,0.42);font-size:0.88rem;display:flex;align-items:center;gap:8px;transition:all var(--transition)}
.footer-links ul li a i{font-size:0.7rem;transition:transform var(--transition)}
.footer-links ul li a:hover{color:var(--accent);padding-left:6px}
.footer-links ul li a:hover i{transform:translateX(3px)}
.footer-contact p{margin-bottom:9px;font-size:0.88rem;display:flex;align-items:center;gap:12px;color:rgba(255,255,255,0.4)}
.footer-contact p i{color:var(--accent);width:18px}
.footer-cities{min-width:0}
.footer-cities h4{margin-bottom:18px}
.footer-city-row{display:flex;gap:6px 0;margin-bottom:8px}
.footer-city-region{flex-shrink:0;width:36px;font-size:0.78rem;font-weight:700;color:var(--accent);padding-top:2px;letter-spacing:1px}
.footer-city-links{display:flex;flex-wrap:wrap;gap:2px 0}
.footer-city-links a{color:rgba(255,255,255,0.4);font-size:0.82rem;padding:2px 6px;border-right:1px solid rgba(255,255,255,0.06);transition:color var(--transition);white-space:nowrap;line-height:1.6}
.footer-city-links a:last-child{border-right:none}
.footer-city-links a:hover{color:var(--accent)}
.footer-bottom{padding:28px 0;text-align:center;color:rgba(255,255,255,0.25);font-size:0.88rem}
.footer-bottom a:hover{color:var(--accent)}
.back-to-top{position:fixed;bottom:36px;right:30px;z-index:998;width:50px;height:50px;border-radius:50%;background:var(--gradient-primary);color:var(--white);border:none;cursor:pointer;font-size:1.1rem;box-shadow:0 8px 24px rgba(10,110,189,0.4),inset 0 1px 0 rgba(255,255,255,0.25);transition:all var(--transition);opacity:0;visibility:hidden;transform:translateY(20px);display:flex;align-items:center;justify-content:center}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-5px) rotate(-6deg);box-shadow:0 14px 36px rgba(10,110,189,0.55)}
.floating-contact{position:fixed;right:30px;bottom:140px;z-index:997;display:flex;flex-direction:column;gap:12px}
.float-btn{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.2rem;box-shadow:var(--shadow);transition:all var(--transition);position:relative}
.float-btn.phone{background:var(--primary)}
.float-btn.qq{background:#039be5}
.float-btn.wechat{background:#07c160}
.float-btn:hover{transform:scale(1.12);box-shadow:var(--shadow-lg)}
.wechat-tip{position:absolute;right:60px;top:50%;transform:translateY(-50%);background:var(--bg-dark);color:var(--white);padding:8px 16px;border-radius:8px;font-size:0.82rem;white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition);pointer-events:none}
.float-btn.wechat:hover .wechat-tip{opacity:1;visibility:visible;right:56px}
.nav-contact{display:flex;align-items:center;gap:8px}
.nav-phone{display:flex;align-items:center;gap:7px;padding:8px 18px;border-radius:50px;background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--white);font-size:0.86rem;font-weight:600;transition:all var(--transition);white-space:nowrap;box-shadow:0 6px 18px rgba(10,110,189,0.35),inset 0 1px 0 rgba(255,255,255,0.25);position:relative;overflow:hidden}
.nav-phone::before{content:'';position:absolute;top:0;left:-100%;width:50%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.3),transparent);transition:left 0.5s ease}
.nav-phone:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(10,110,189,0.45),inset 0 1px 0 rgba(255,255,255,0.3)}
.nav-phone:hover::before{left:150%}
.nav-phone i{font-size:0.85rem;animation:phonePulse 2s infinite}
@keyframes phonePulse{0%,100%{transform:scale(1)}
50%{transform:scale(1.18)}
}
.page-hero{position:relative;min-height:44vh;display:flex;align-items:center;justify-content:center;background:var(--gradient-hero);padding-top:80px;padding-bottom:50px;text-align:center;overflow:hidden}
body.has-topbar .page-hero{padding-top:40px}
.page-hero::before{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 15% 20%,rgba(0,168,196,0.25),transparent 38%),radial-gradient(circle at 85% 30%,rgba(38,166,154,0.18),transparent 40%)}
.page-hero::after{content:'';position:absolute;inset:0;pointer-events:none;opacity:0.16;background-image:linear-gradient(rgba(255,255,255,0.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.08) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,black 30%,transparent 75%);-webkit-mask-image:linear-gradient(180deg,black 30%,transparent 75%)}
.page-hero .hero-wave{position:absolute;bottom:-2px;left:0;width:100%;height:100px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 100'%3E%3Cpath fill='white' d='M0,70 C200,20 480,90 720,50 C1000,10 1240,80 1440,40 L1440,100 L0,100Z'/%3E%3C/svg%3E") no-repeat bottom;background-size:cover}
.page-hero h1{font-size:2.4rem;font-weight:900;color:var(--white);margin-bottom:12px;position:relative;z-index:1;letter-spacing:1.5px;text-shadow:0 4px 24px rgba(0,0,0,0.18);background:linear-gradient(180deg,#ffffff 0%,#d6eef5 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-hero p{font-size:1.05rem;color:rgba(255,255,255,0.8);position:relative;z-index:1;letter-spacing:0.5px;max-width:700px;margin:0 auto;text-shadow:0 2px 12px rgba(0,0,0,0.15)}
.page-hero-dark .hero-wave{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 100'%3E%3Cpath fill='%2305304b' d='M0,70 C200,20 480,90 720,50 C1000,10 1240,80 1440,40 L1440,100 L0,100Z'/%3E%3C/svg%3E") no-repeat bottom;background-size:cover}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{background:linear-gradient(180deg,var(--white),var(--bg-soft));border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-sm);border:1px solid #dce8f2;transition:all var(--transition-slow);position:relative;overflow:hidden}
.product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-slow)}
.product-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-primary);border-color:rgba(10,110,189,0.20)}
.product-card:hover::before{transform:scaleX(1)}
.product-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(10,110,189,0.10),rgba(0,168,196,0.12));display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--primary);margin-bottom:16px;transition:all var(--transition-slow);border:1px solid rgba(10,110,189,0.08)}
.product-card:hover .product-icon{background:var(--gradient-primary);color:var(--white);box-shadow:0 10px 28px rgba(10,110,189,0.35);transform:scale(1.06)}
.product-card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.product-card>p{color:var(--text-secondary);font-size:0.9rem;line-height:1.65;margin-bottom:16px}
.product-features{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.product-features span{background:rgba(10,110,189,0.06);color:var(--primary);padding:5px 11px;border-radius:50px;font-size:0.78rem;font-weight:500;display:flex;align-items:center;gap:5px;border:1px solid rgba(10,110,189,0.08);transition:all var(--transition)}
.product-card:hover .product-features span{background:rgba(10,110,189,0.10)}
.product-features span i{font-size:0.65rem}
.product-card .btn{font-size:0.88rem;padding:10px 24px}
.category-nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:36px}
.category-nav .cat-nav-link{display:inline-flex;align-items:center;padding:8px 16px;border-radius:50px;background:rgba(10,110,189,0.06);color:var(--primary);border:1px solid rgba(10,110,189,0.12);font-size:0.88rem;transition:all var(--transition);text-decoration:none}
.category-nav .cat-nav-link:hover{background:var(--primary);color:var(--white);border-color:var(--primary);transform:translateY(-2px)}
.product-category{margin-bottom:56px}
.product-category:last-child{margin-bottom:0}
.product-category-title{font-size:1.4rem;font-weight:700;color:var(--text-primary);margin-bottom:24px;display:flex;align-items:center;gap:10px}
.product-category-title i{color:var(--primary);font-size:1.2rem}
.product-card.product-card-image{padding:0;display:flex;flex-direction:column}
.product-card.product-card-image .product-img{width:100%;height:220px;padding:18px 18px 0;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-card.product-card-image .product-img img{width:100%;height:100%;object-fit:contain;transition:transform var(--transition-slow)}
.product-card.product-card-image:hover .product-img img{transform:scale(1.05)}
.product-card.product-card-image .product-body{padding:18px 22px 22px;flex:1;display:flex;flex-direction:column}
.product-card.product-card-image .product-body h3{font-size:1rem;font-weight:700;margin-bottom:10px;line-height:1.4;min-height:2.8em}
.product-card.product-card-image .product-body p{font-size:0.85rem;color:var(--text-secondary);line-height:1.6;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:0;flex:1}
@media(max-width:991px){.products-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:576px){.products-grid{grid-template-columns:1fr;gap:16px}
.category-nav{gap:8px}
.category-nav .cat-nav-link{padding:7px 13px;font-size:0.82rem}
.product-card.product-card-image .product-img{height:200px}
.product-card.product-card-image .product-body{padding:16px 18px 20px}
}
.brands-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.brand-card{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius);padding:32px 20px;text-align:center;transition:all var(--transition)}
.brand-card:hover{background:rgba(255,255,255,0.1);transform:translateY(-4px)}
.brand-card .brand-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:rgba(0,168,196,0.15);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--accent);transition:all var(--transition)}
.brand-card:hover .brand-icon{background:var(--accent);color:var(--white)}
.brand-card h4{color:var(--white);font-size:1rem;font-weight:600}
.brand-card p{color:rgba(255,255,255,0.4);font-size:0.82rem;margin-top:4px}
.stats-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:50px;border:1px solid #dce8f2}
.stats-bar-item{padding:28px 20px;text-align:center;border-right:1px solid #dce8f2}
.stats-bar-item:last-child{border-right:none}
.stats-bar-item .stats-bar-number{font-size:2.2rem;font-weight:900;color:var(--primary)}
.stats-bar-item .stats-bar-label{font-size:0.9rem;color:var(--text-muted);margin-top:4px}
.cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.case-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid #dce8f2;overflow:hidden;transition:all var(--transition)}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.case-card-header{padding:28px 28px 0;position:relative}
.case-badge{display:inline-block;padding:5px 14px;border-radius:50px;font-size:0.78rem;font-weight:600;margin-bottom:14px;background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--white)}
.case-card-header h3{font-size:1.15rem;font-weight:700;margin-bottom:6px}
.case-location{color:var(--text-muted);font-size:0.88rem;display:flex;align-items:center;gap:6px}
.case-card-body{padding:18px 28px}
.case-card-body p{color:var(--text-secondary);font-size:0.92rem;line-height:1.7}
.case-card-footer{padding:0 28px 24px}
.case-tags{display:flex;flex-wrap:wrap;gap:6px}
.case-tags span{background:rgba(10,110,189,0.06);color:var(--primary);padding:4px 10px;border-radius:6px;font-size:0.8rem}
.case-highlight{display:flex;align-items:flex-start;gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid #dce8f2}
.case-highlight i{color:var(--accent);margin-top:2px;font-size:0.9rem;flex-shrink:0}
.case-highlight span{color:var(--text-muted);font-size:0.85rem}
.case-review{margin-top:16px;padding-top:16px;border-top:1px dashed #dce8f2;position:relative}
.review-icon{position:absolute;top:18px;left:0;font-size:0.85rem;color:rgba(10,110,189,0.18)}
.review-text{font-size:0.88rem;color:var(--text-secondary);line-height:1.65;font-style:italic;padding-left:22px}
.review-author{font-size:0.82rem;color:var(--text-muted);margin-top:6px;padding-left:22px;font-weight:500}
.review-author span{font-weight:400;color:var(--text-muted)}
.reviews-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:var(--radius);padding:32px 28px;position:relative;transition:all var(--transition)}
.review-card:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.15)}
.review-card .review-quote-icon{position:absolute;top:20px;right:24px;font-size:2rem;color:rgba(0,168,196,0.12)}
.review-card .review-stars{margin-bottom:12px}
.review-card .review-stars i{color:#ffb703;font-size:0.85rem;margin-right:2px}
.review-card .review-body{font-size:0.95rem;color:rgba(255,255,255,0.7);line-height:1.75;font-style:italic;margin-bottom:16px;position:relative;z-index:1}
.review-card .review-footer{display:flex;align-items:center;gap:14px}
.review-card .review-avatar{width:44px;height:44px;border-radius:50%;flex-shrink:0;background:linear-gradient(135deg,var(--accent),var(--primary));display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;font-size:1rem}
.review-card .review-name{font-weight:600;color:var(--white);font-size:0.92rem}
.review-card .review-title{font-size:0.82rem;color:rgba(255,255,255,0.4)}
.review-card .review-project{font-size:0.8rem;color:var(--accent);font-weight:500}
.cta-section{text-align:center;padding:70px 0}
.cta-section h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-section p{color:var(--text-muted);font-size:1.05rem;margin-bottom:28px}
.knowledge-section{margin-bottom:50px}
.knowledge-section h2{font-size:1.6rem;font-weight:700;margin-bottom:24px;padding-bottom:14px;border-bottom:2px solid rgba(10,110,189,0.1);display:flex;align-items:center;gap:12px}
.knowledge-section h2 i{color:var(--primary)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--white);border-radius:var(--radius);border:1px solid #dce8f2;overflow:hidden;transition:all var(--transition)}
.faq-item:hover{border-color:rgba(10,110,189,0.15)}
.faq-item.active{border-color:rgba(10,110,189,0.3);box-shadow:var(--shadow-sm)}
.faq-question{width:100%;padding:20px 24px;border:none;background:none;text-align:left;cursor:pointer;font-family:var(--font);font-size:1.02rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;justify-content:space-between;gap:12px;transition:color var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question i{transition:transform var(--transition);color:var(--text-muted);font-size:0.85rem}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.4s ease}
.faq-item.active .faq-answer{max-height:500px}
.faq-answer-inner{padding:0 24px 20px;color:var(--text-secondary);font-size:0.95rem;line-height:1.8}
.breadcrumb{display:flex;gap:8px;align-items:center;padding:16px 0;font-size:0.88rem;color:var(--text-muted)}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{color:var(--text-muted)}
.price-section h2{font-size:1.5rem;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.price-section h2 i{color:var(--primary);font-size:1.2rem}
.price-section>p{color:var(--text-muted);font-size:0.95rem;margin-bottom:24px}
.price-table{display:flex;flex-direction:column;gap:14px}
.price-row{display:flex;align-items:center;padding:22px 26px;background:var(--white);border-radius:var(--radius);border:1px solid #dce8f2;gap:24px;transition:all var(--transition)}
.price-row:hover{transform:translateX(6px);box-shadow:var(--shadow);border-color:rgba(10,110,189,0.2)}
.price-type{min-width:160px;font-weight:700;font-size:1rem;color:var(--text-primary)}
.price-range{font-size:1.4rem;font-weight:900;color:var(--primary);min-width:140px}
.price-detail{flex:1;color:var(--text-secondary);font-size:0.9rem;line-height:1.6}
.price-tip{margin-top:10px;padding:14px 20px;background:rgba(10,110,189,0.05);border-radius:10px;display:flex;align-items:flex-start;gap:10px;font-size:0.9rem;color:var(--text-secondary)}
.price-tip i{color:var(--primary);margin-top:2px}
.price-factors{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.price-factor{padding:28px 22px;background:var(--white);border:1px solid #dce8f2;border-radius:var(--radius);text-align:center;transition:all var(--transition)}
.price-factor:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.price-factor i{font-size:1.6rem;color:var(--primary);margin-bottom:12px;display:block}
.price-factor h4{font-size:1rem;font-weight:700;margin-bottom:6px}
.price-factor p{font-size:0.88rem;color:var(--text-muted);line-height:1.6}
.price-tips{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-tip-card{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:var(--radius);padding:30px 24px;text-align:center;transition:all var(--transition);color:var(--white)}
.price-tip-card:hover{background:rgba(255,255,255,0.1);transform:translateY(-4px)}
.price-tip-card .tip-num{width:40px;height:40px;margin:0 auto 16px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;color:var(--white)}
.price-tip-card h4{font-size:1.05rem;margin-bottom:8px}
.price-tip-card p{font-size:0.9rem;color:rgba(255,255,255,0.55);line-height:1.6}
.city-hero-stats{display:flex;gap:30px;justify-content:center;margin-top:24px;position:relative;z-index:1}
.city-stat{text-align:center;color:rgba(255,255,255,0.8)}
.city-stat .city-stat-num{font-size:2rem;font-weight:900;color:var(--white);display:block}
.city-stat .city-stat-label{font-size:0.85rem}
.city-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.city-grid-item{text-align:center;padding:12px;background:rgba(10,110,189,0.06);border-radius:8px;font-size:0.9rem;font-weight:500;color:var(--text-secondary);transition:all var(--transition)}
.city-grid-item:hover{background:rgba(10,110,189,0.1);color:var(--primary)}
.service-flow{display:flex;align-items:center;justify-content:center;gap:0;flex-wrap:wrap;padding:20px 0}
.flow-step{text-align:center;padding:20px;min-width:140px}
.flow-step .flow-num{width:50px;height:50px;margin:0 auto 12px;border-radius:50%;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;box-shadow:0 4px 16px rgba(10,110,189,0.3)}
.flow-step h4{font-size:0.95rem;margin-bottom:4px}
.flow-step p{font-size:0.82rem;color:var(--text-muted)}
.flow-arrow{font-size:1.5rem;color:var(--accent);padding:0 10px}
.hot-tags{text-align:center}
.hot-tags h3{font-size:1.1rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-primary)}
.hot-tags h3 i{color:#e63946;font-size:1rem}
.hot-tag{display:inline-block;padding:7px 16px;margin:4px 3px;font-size:0.82rem;background:rgba(10,110,189,0.06);border:1px solid rgba(10,110,189,0.08);border-radius:50px;color:var(--text-secondary);text-decoration:none;transition:all var(--transition)}
.hot-tag:hover{background:var(--primary);color:var(--white);border-color:var(--primary);transform:translateY(-1px)}
.hot-tag.highlight{background:rgba(0,168,196,0.1);color:var(--primary);font-weight:600}
.city-feature{display:inline-block;margin-top:8px;padding:6px 20px;background:rgba(255,255,255,0.13);border:1px solid rgba(255,255,255,0.22);border-radius:50px;font-size:0.85rem;color:rgba(255,255,255,0.9);font-weight:500;letter-spacing:1px;position:relative;z-index:1;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.city-case-card{background:var(--white);border-radius:var(--radius);padding:28px;border:1px solid #dce8f2;transition:all var(--transition);display:flex;gap:24px;align-items:center}
.city-case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.city-case-card .case-tag{display:inline-block;padding:4px 12px;border-radius:50px;font-size:0.78rem;font-weight:600;background:var(--primary);color:var(--white);margin-bottom:10px}
.city-case-card h4{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.city-case-card .case-desc{color:var(--text-muted);font-size:0.88rem;line-height:1.6}
.city-case-card .case-equip{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.city-case-card .case-equip span{background:rgba(10,110,189,0.06);color:var(--primary);padding:3px 10px;border-radius:6px;font-size:0.78rem}
.city-cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.city-link-card{display:flex;flex-direction:column;align-items:center;padding:24px 18px;background:linear-gradient(180deg,var(--white),var(--bg-soft));border-radius:var(--radius);border:1px solid #dce8f2;text-align:center;transition:all var(--transition-slow);text-decoration:none;position:relative;overflow:hidden}
.city-link-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-slow)}
.city-link-card::after{content:'';position:absolute;bottom:-50%;right:-50%;width:160px;height:160px;background:radial-gradient(circle,rgba(0,168,196,0.10) 0%,transparent 70%);opacity:0;transition:opacity var(--transition)}
.city-link-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-primary);border-color:rgba(10,110,189,0.20)}
.city-link-card:hover::before{transform:scaleX(1)}
.city-link-card:hover::after{opacity:1}
.city-link-icon{width:48px;height:48px;border-radius:14px;background:rgba(10,110,189,0.06);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--primary);margin-bottom:12px;transition:all var(--transition-slow);border:1px solid rgba(10,110,189,0.06);position:relative;z-index:1}
.city-link-card:hover .city-link-icon{background:var(--gradient-primary);color:var(--white);box-shadow:0 10px 28px rgba(10,110,189,0.35);transform:scale(1.08)}
.city-link-card h4{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:5px;position:relative;z-index:1}
.city-link-card p{font-size:0.82rem;color:var(--text-muted);line-height:1.5;position:relative;z-index:1}
.city-link-arrow{margin-top:10px;font-size:0.82rem;color:var(--primary);font-weight:600;transition:transform var(--transition);display:inline-flex;align-items:center;gap:4px;position:relative;z-index:1}
.city-link-card:hover .city-link-arrow{transform:translateX(6px)}
.city-faq{max-width:800px;margin:0 auto}
.city-faq .faq-answer-inner{color:rgba(255,255,255,0.6)}
.city-faq .faq-item{background:rgba(255,255,255,0.04);border-color:rgba(255,255,255,0.08)}
.city-faq .faq-item:hover{border-color:rgba(0,168,196,0.25)}
.city-faq .faq-item.active{border-color:rgba(0,168,196,0.35)}
.city-faq .faq-question{color:var(--white);font-size:0.98rem}
.city-faq .faq-question:hover{color:var(--accent)}
.city-faq .faq-question i{color:rgba(255,255,255,0.3)}
.city-faq .faq-item.active .faq-question i{color:var(--accent)}
.city-faq .faq-answer-inner{color:rgba(255,255,255,0.6)}
.city-skyline-section{padding:40px 0 30px}
.city-skyline{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid #dce8f2}
.city-skyline img{width:100%;height:380px;object-fit:contain;display:block;background:linear-gradient(180deg,#eef5fa,#dce8f2);transition:transform var(--transition-slow)}
.city-skyline:hover img{transform:scale(1.03)}
.city-skyline-caption{position:absolute;bottom:0;left:0;right:0;padding:16px 24px;background:linear-gradient(transparent,rgba(5,37,65,0.85));color:var(--white);font-size:1.1rem;font-weight:700;letter-spacing:1px;text-shadow:0 2px 8px rgba(0,0,0,0.3)}
@media(max-width:768px){.city-skyline img{height:260px}
.city-skyline-caption{padding:12px 18px;font-size:1rem}
}
.nearby-cities{text-align:center}
.nearby-cities h3{font-size:1.2rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;justify-content:center;gap:8px}
.nearby-cities h3 i{color:var(--primary)}
.nearby-cities-grid{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:600px;margin:0 auto}
.nearby-city-btn{display:inline-flex;align-items:center;gap:4px;padding:10px 20px;border-radius:50px;font-size:0.88rem;font-weight:500;background:var(--white);color:var(--text-secondary);border:1px solid #dce8f2;transition:all var(--transition);text-decoration:none}
.nearby-city-btn:hover{background:var(--primary);color:var(--white);border-color:var(--primary);transform:translateY(-2px);box-shadow:0 8px 20px rgba(10,110,189,0.25)}
.nearby-city-btn i{font-size:0.75rem}
.top-bar{position:fixed;top:0;left:0;width:100%;z-index:1001;background:linear-gradient(90deg,var(--bg-darker),#0d3a5c);color:rgba(255,255,255,0.85);font-size:0.78rem;border-bottom:1px solid rgba(255,255,255,0.06)}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;height:34px}
.top-bar-left{display:flex;align-items:center;gap:20px}
.top-bar-left span{display:inline-flex;align-items:center;gap:6px}
.top-bar-right{display:flex;align-items:center;gap:16px}
.top-bar a{color:rgba(255,255,255,0.85);transition:color var(--transition)}
.top-bar a:hover{color:var(--accent)}
.top-bar i{color:var(--accent);font-size:0.82rem}
.navbar.has-topbar{top:34px}
.navbar.has-topbar .container{height:68px}
body.has-topbar{padding-top:102px}
body.has-topbar .hero{min-height:calc(100vh - 102px)}
.nav-cta{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:50px;background:var(--gradient-primary);color:var(--white);font-size:0.8rem;font-weight:600;box-shadow:0 6px 18px rgba(10,110,189,0.35);transition:all var(--transition);margin-left:8px}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(10,110,189,0.45)}
.hero-trust{display:inline-flex;flex-wrap:wrap;justify-content:center;gap:10px 24px;margin-top:30px;animation:heroIn 1.2s ease 0.3s both}
.hero-trust-item{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,0.9);font-size:0.85rem;font-weight:500}
.hero-trust-item i{width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,0.18);display:inline-flex;align-items:center;justify-content:center;font-size:0.6rem;color:var(--white)}
.brands-strip{background:var(--white);padding:24px 0;border-bottom:1px solid #edf3f8;overflow:hidden}
.brands-track{display:flex;gap:48px;align-items:center;animation:marquee 28s linear infinite;width:max-content}
.brands-track:hover{animation-play-state:paused}
@keyframes marquee{0%{transform:translateX(0)}
100%{transform:translateX(-50%)}
}
.brand-item{display:inline-flex;align-items:center;justify-content:center;min-width:130px;height:44px;background:linear-gradient(180deg,var(--bg-soft),#eef4f9);border:1px solid #dce8f2;border-radius:10px;padding:0 20px;font-size:0.9rem;font-weight:700;color:var(--text-secondary);opacity:0.75;transition:all var(--transition);white-space:nowrap}
.brand-item:hover{opacity:1;border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.service-flow{display:flex;align-items:flex-start;justify-content:center;gap:16px;max-width:1000px;margin:0 auto}
.flow-step{flex:1;text-align:center;position:relative;background:linear-gradient(180deg,var(--white),var(--bg-soft));border:1px solid #dce8f2;border-radius:var(--radius);padding:26px 16px 22px;transition:all var(--transition-slow)}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-primary);border-color:rgba(10,110,189,0.2)}
.flow-step-num{position:absolute;top:-16px;left:50%;transform:translateX(-50%);width:32px;height:32px;border-radius:50%;background:var(--gradient-primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.85rem;box-shadow:0 6px 18px rgba(10,110,189,0.35)}
.flow-step i{font-size:1.5rem;color:var(--primary);margin-bottom:10px;width:52px;height:52px;border-radius:14px;background:rgba(10,110,189,0.06);display:inline-flex;align-items:center;justify-content:center}
.flow-step h4{font-size:0.98rem;font-weight:700;margin-bottom:6px}
.flow-step p{font-size:0.82rem;color:var(--text-muted);line-height:1.55}
.flow-arrow{color:var(--primary);font-size:1.1rem;margin-top:34px;opacity:0.4}
.credentials-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.credential-card{background:linear-gradient(180deg,var(--white),var(--bg-soft));border-radius:var(--radius);padding:22px 18px;text-align:center;border:1px solid #dce8f2;transition:all var(--transition-slow);position:relative;overflow:hidden}
.credential-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-primary);border-color:rgba(10,110,189,0.2)}
.credential-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--transition-slow)}
.credential-card:hover::before{transform:scaleX(1)}
.credential-icon{width:50px;height:50px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(135deg,rgba(10,110,189,0.08),rgba(0,168,196,0.12));display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--primary)}
.credential-card h4{font-size:0.98rem;font-weight:700;margin-bottom:6px}
.credential-card p{font-size:0.82rem;color:var(--text-muted);line-height:1.5}
.testimonials-wrap{overflow:hidden;padding:10px 0}
.testimonials-track{display:flex;gap:24px;width:max-content;animation:scrollReviews 36s linear infinite}
.testimonials-track:hover{animation-play-state:paused}
@keyframes scrollReviews{0%{transform:translateX(0)}
100%{transform:translateX(-50%)}
}
.testimonial-card{width:340px;background:var(--white);border-radius:var(--radius);padding:22px;border:1px solid #dce8f2;box-shadow:var(--shadow-sm);transition:all var(--transition)}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(10,110,189,0.15)}
.testimonial-stars{color:#ffb300;font-size:0.82rem;margin-bottom:10px}
.testimonial-text{font-size:0.88rem;color:var(--text-secondary);line-height:1.65;margin-bottom:14px}
.testimonial-author{display:flex;align-items:center;gap:11px}
.testimonial-avatar{width:38px;height:38px;border-radius:50%;background:var(--gradient-primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.86rem}
.testimonial-author div strong{font-size:0.9rem;color:var(--text-primary)}
.testimonial-author div span{font-size:0.78rem;color:var(--text-muted)}
.case-card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid #dce8f2;transition:all var(--transition-slow);display:flex;flex-direction:column}
.case-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-card-glow);border-color:rgba(10,110,189,0.15)}
.case-image{height:200px;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center}
.case-image::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,0.45) 100%);z-index:2}
.case-image i{font-size:3.5rem;color:rgba(255,255,255,0.35);position:relative;z-index:1}
.case-image img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.case-badge{position:absolute;top:16px;left:16px;z-index:3;padding:6px 14px;border-radius:50px;background:var(--white);color:var(--primary);font-size:0.78rem;font-weight:700;box-shadow:0 4px 12px rgba(0,0,0,0.12)}
.case-body{padding:26px;flex:1;display:flex;flex-direction:column}
.case-body h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;line-height:1.4}
.case-body>p{font-size:0.88rem;color:var(--text-muted);line-height:1.65;margin-bottom:14px;flex:1}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.case-tags span{display:inline-flex;align-items:center;gap:4px;font-size:0.78rem;color:var(--text-muted);background:rgba(10,110,189,0.05);padding:4px 10px;border-radius:6px}
.case-highlight{background:linear-gradient(90deg,rgba(10,110,189,0.06),rgba(0,168,196,0.06));border-left:3px solid var(--primary);padding:10px 14px;border-radius:0 8px 8px 0;margin-bottom:16px}
.case-highlight span{font-size:0.84rem;color:var(--text-secondary)}
.case-highlight i{font-weight:700;color:var(--primary);margin-right:6px;font-style:normal}
.case-review{background:#f8fbfd;border-radius:12px;padding:16px;border:1px solid #edf3f8;position:relative}
.review-icon{position:absolute;top:12px;right:14px;color:rgba(10,110,189,0.12);font-size:1.4rem}
.review-text{font-size:0.84rem;color:var(--text-secondary);line-height:1.65;margin-bottom:10px;position:relative;z-index:1}
.review-author{font-size:0.82rem;color:var(--text-muted)}
.review-author span{color:var(--primary);font-weight:600}
.about-image{margin-top:50px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid #dce8f2}
.about-image img{width:100%;height:360px;object-fit:cover;display:block}
.page-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid #dce8f2;margin-bottom:40px}
.page-image img{width:100%;height:320px;object-fit:cover;display:block}
.case-body .case-location{color:var(--text-muted);font-size:0.85rem;display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:14px;border-top:1px solid #eef3f7}
.case-body .case-location i{color:var(--primary)}
.footer-credentials{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px;margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-cred-item{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,0.7);font-size:0.82rem}
.footer-cred-item i{color:var(--accent);font-size:0.9rem}
.footer-service-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-service-tags span{padding:5px 12px;border-radius:50px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.08);color:rgba(255,255,255,0.7);font-size:0.78rem}
@media(max-width:992px){.hero-content h1{font-size:2.2rem}
.section{padding:60px 0}
.section-header{margin-bottom:36px}
.section-header h2{font-size:1.7rem}
.about-content{grid-template-columns:1fr;gap:28px}
.about-stats{grid-template-columns:repeat(4,1fr)}
.services-grid{grid-template-columns:repeat(2,1fr)}
.advantages-grid{grid-template-columns:repeat(2,1fr)}
.coverage-content{grid-template-columns:1fr;gap:32px}
.contact-content{grid-template-columns:1fr;gap:28px}
.footer-content{grid-template-columns:1fr 1fr;gap:24px}
.footer-cities{grid-column:span 2}
.floating-contact{right:16px;bottom:120px}
.back-to-top{right:16px;bottom:24px}
.map-hunan{max-width:320px;margin:0 auto}
.products-grid{grid-template-columns:repeat(2,1fr)}
.brands-grid{grid-template-columns:repeat(3,1fr)}
.cases-grid{grid-template-columns:1fr 1fr}
.page-hero h1{font-size:1.9rem}
.nav-phone span{display:none}
.nav-phone{padding:8px 12px}
.price-row{flex-direction:column;align-items:flex-start;gap:8px}
.price-factors{grid-template-columns:repeat(2,1fr)}
.price-tips{grid-template-columns:1fr}
.city-grid{grid-template-columns:repeat(2,1fr)}
.city-case-card{flex-direction:column}
.service-flow{flex-direction:column}
.flow-arrow{transform:rotate(90deg)}
.city-cards-grid{grid-template-columns:repeat(3,1fr)}
.reviews-grid{grid-template-columns:1fr 1fr}
.credentials-grid{grid-template-columns:repeat(2,1fr)}
.hero-content h1 br{display:none}
.about-image img{height:280px}
.page-image img{height:240px}
}
@media(max-width:768px){.top-bar{display:none}
.navbar.has-topbar{top:0}
body.has-topbar{padding-top:64px}
.navbar.has-topbar .container{height:64px}
.nav-cta{display:none}
.nav-menu{top:64px}
.hero-content h1{font-size:1.8rem;letter-spacing:1px}
.hero-subtitle{font-size:0.98rem}
.hero-desc{font-size:0.9rem}
.hero-desc br{display:none}
.hero-trust{gap:8px 16px;margin-top:24px}
.hero-trust-item{font-size:0.8rem}
.brands-strip{padding:18px 0}
.brand-item{min-width:110px;height:38px;font-size:0.82rem}
.section-header h2{font-size:1.55rem}
.about-stats{grid-template-columns:repeat(2,1fr)}
.services-grid{grid-template-columns:1fr}
.advantages-grid{grid-template-columns:1fr}
.coverage-list{grid-template-columns:1fr}
.reviews-grid{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}
.credentials-grid{grid-template-columns:1fr}
.service-flow{gap:26px 0}
.flow-arrow{margin-top:0;margin-bottom:0;transform:rotate(90deg)}
.testimonial-card{width:280px;padding:20px}
.footer-credentials{gap:8px 18px}
.footer-cred-item{font-size:0.76rem}
.footer-content{grid-template-columns:1fr;text-align:center;gap:24px}
.footer-cities{grid-column:span 1}
.footer-social{justify-content:center}
.footer-links ul li a{justify-content:center}
.footer-contact p{justify-content:center}
.floating-contact{right:12px;bottom:100px;gap:10px}
.float-btn{width:42px;height:42px;font-size:1.1rem}
.back-to-top{right:12px;width:42px;height:42px}
.map-hunan{max-width:300px;margin:0 auto}
.products-grid{grid-template-columns:1fr 1fr}
.brands-grid{grid-template-columns:repeat(2,1fr)}
.cases-grid{grid-template-columns:1fr;gap:14px}
.stats-bar{grid-template-columns:1fr 1fr}
.page-hero{min-height:36vh}
.page-hero h1{font-size:1.6rem}
.nav-phone{padding:7px 9px;font-size:0.8rem}
.nav-phone span{display:none}
.nav-contact{margin-right:40px}
.price-factors{grid-template-columns:1fr}
.city-grid{grid-template-columns:1fr 1fr}
.city-cards-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){.hero-content h1{font-size:1.4rem;letter-spacing:1px}
.hero-btns{flex-direction:column;align-items:center}
.hero-btns .btn{width:200px;justify-content:center}
.section{padding:44px 0}
.section-header{margin-bottom:28px}
.section-header h2{font-size:1.4rem}
.about-stats{grid-template-columns:1fr 1fr;gap:12px}
.stat-number{font-size:2rem}
.contact-form{padding:22px 18px}
.products-grid,.brands-grid{grid-template-columns:1fr}
.stats-bar{grid-template-columns:1fr}
.stats-bar-item{border-right:none;border-bottom:1px solid #dce8f2}
.stats-bar-item:last-child{border-bottom:none}
.page-hero h1{font-size:1.4rem}
.page-hero p{font-size:0.9rem}
.nav-phone{padding:5px 7px}
.city-grid{grid-template-columns:1fr}
.price-type{min-width:auto}
.price-range{min-width:auto}
}
.icon{width:1em;height:1em;fill:currentColor;vertical-align:-0.125em;display:inline-block}
.wechat-toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(20px);background:rgba(5,37,65,0.92);color:#fff;padding:12px 22px;border-radius:50px;font-size:0.9rem;z-index:9999;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s}
.wechat-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}