:root{
  --primary:#1e1b3a;
  --primary-light:#2d2b55;
  --primary-dark:#14122a;
  --accent:#c9a86a;
  --accent-light:#e2c896;
  --accent-hover:#b89250;
  --bg:#f7f5f1;
  --card:#ffffff;
  --text:#1e1b3a;
  --muted:#6b6b80;
  --line:#e6e0d8;
  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(26,26,46,.06);
  --shadow-md:0 8px 24px rgba(26,26,46,.08);
  --shadow-lg:0 16px 48px rgba(26,26,46,.12);
  --grad-gold:linear-gradient(135deg,#c9a86a 0%,#e2c896 40%,#c9a86a 100%);
  --grad-dark:linear-gradient(135deg,#1e1b3a 0%,#2d2b55 100%);
  --font:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
a{text-decoration:none;color:inherit;transition:color .25s}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;border:none;outline:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,224,216,.7);box-shadow:0 2px 12px rgba(26,26,46,.04)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-icon{width:42px;height:42px;border-radius:12px;background:var(--grad-dark);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:20px;box-shadow:0 4px 12px rgba(30,27,58,.2)}
.logo-text{font-weight:700;font-size:17px;letter-spacing:.5px;color:var(--primary);white-space:nowrap;background:var(--grad-dark);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.nav-links a{position:relative;padding:8px 18px;border-radius:10px;font-weight:500;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--primary);background:rgba(30,27,58,.06)}
.nav-links a.active{color:var(--primary);background:rgba(30,27,58,.08);font-weight:600}
.nav-links a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;border-radius:3px;background:var(--grad-gold)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:600;cursor:pointer;padding:10px 20px;transition:all .3s;font-size:14px}
.btn-primary{background:var(--grad-gold);color:var(--primary);box-shadow:0 4px 16px rgba(201,168,106,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,168,106,.45)}
.btn-outline{border:1.5px solid var(--line);color:var(--primary);background:#fff}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-hover);background:rgba(201,168,106,.04)}
.btn-ghost{background:rgba(30,27,58,.06);color:var(--primary)}
.nav-toggle{display:none;background:none;font-size:22px;color:var(--primary);cursor:pointer;padding:6px}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:#fff;padding:16px 24px 24px;box-shadow:0 20px 40px rgba(26,26,46,.12);z-index:99;flex-direction:column;gap:6px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 16px;border-radius:10px;font-weight:500;font-size:16px;color:var(--text)}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(30,27,58,.06);color:var(--primary)}
.mobile-menu .btn{margin-top:8px;width:100%}

/* Hero */
.hero{position:relative;overflow:hidden;min-height:640px;display:flex;align-items:center;justify-content:center;background:var(--grad-dark)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.28}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,var(--primary-dark) 0%,rgba(30,27,58,.72) 50%,rgba(45,43,85,.5) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;padding:80px 24px;max-width:900px}
.hero-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:28px}
.hero-badge{background:rgba(201,168,106,.16);border:1px solid rgba(201,168,106,.4);color:var(--accent-light);font-size:13px;font-weight:500;padding:6px 16px;border-radius:100px;display:inline-flex;align-items:center;gap:6px;backdrop-filter:blur(4px)}
.hero-badge i{font-size:12px}
.hero h1{font-size:clamp(28px,4.5vw,46px);line-height:1.3;font-weight:800;color:#fff;margin-bottom:20px;letter-spacing:1px}
.hero h1 span{background:var(--grad-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(16px,1.8vw,18px);color:rgba(255,255,255,.88);max-width:680px;margin:0 auto 38px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
.hero-actions .btn-hero{border-radius:14px;font-size:16px;padding:14px 36px;font-weight:700}
.btn-hero-gold{background:var(--grad-gold);color:var(--primary);box-shadow:0 8px 30px rgba(201,168,106,.45)}
.btn-hero-gold:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(201,168,106,.55)}
.btn-hero-ghost{background:rgba(255,255,255,.1);border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-hero-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-3px)}
.hero-note{margin-top:32px;font-size:13px;color:rgba(255,255,255,.55);display:flex;align-items:center;justify-content:center;gap:8px}

/* Section common */
.section{padding:72px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-hover);letter-spacing:1px;text-transform:uppercase;margin-bottom:12px;background:rgba(201,168,106,.12);padding:6px 16px;border-radius:100px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--primary);line-height:1.35;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15px;line-height:1.8}

/* Metrics */
.metrics{background:var(--grad-dark);padding:64px 0;position:relative;overflow:hidden}
.metrics::before{content:'';position:absolute;top:-100px;right:-100px;width:300px;height:300px;border-radius:50%;background:rgba(201,168,106,.08)}
.metrics::after{content:'';position:absolute;bottom:-80px;left:-80px;width:200px;height:200px;border-radius:50%;background:rgba(201,168,106,.06)}
.metrics .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.metric-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);text-align:center;padding:36px 24px;transition:all .35s;backdrop-filter:blur(6px)}
.metric-card:hover{background:rgba(255,255,255,.09);transform:translateY(-6px)}
.metric-num{font-size:44px;font-weight:800;background:var(--grad-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.1}
.metric-label{color:rgba(255,255,255,.75);font-size:14px;margin-top:10px}

/* Services */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--card);border-radius:var(--radius-lg);padding:32px 28px;box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:all .35s;position:relative;overflow:hidden}
.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:var(--grad-gold);opacity:0;transition:opacity .3s}
.service-card:hover::before{opacity:1}
.service-card:hover{box-shadow:var(--shadow-md);transform:translateY(-6px)}
.service-icon{width:52px;height:52px;border-radius:14px;background:rgba(201,168,106,.14);color:var(--accent-hover);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px}
.service-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--primary)}
.service-card p{font-size:14px;color:var(--muted);line-height:1.7}

/* Comparison */
.comparison{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.cmp-box{border-radius:var(--radius-lg);padding:36px 32px;position:relative;overflow:hidden}
.cmp-traditional{background:#f9f8f6;border:1px solid var(--line)}
.cmp-ours{background:linear-gradient(145deg,rgba(201,168,106,.1),rgba(255,255,255,.6) 60%);border:1.5px solid rgba(201,168,106,.4)}
.cmp-box h3{font-size:20px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.cmp-traditional h3{color:#444}
.cmp-ours h3{color:var(--primary)}
.cmp-list{display:flex;flex-direction:column;gap:12px}
.cmp-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#444;line-height:1.5}
.cmp-list .fa-xmark{color:#d9534f;font-size:14px;flex-shrink:0}
.cmp-list .fa-check{color:#2d7d46;font-size:14px;flex-shrink:0}
.cmp-tag{display:inline-block;background:var(--grad-gold);color:var(--primary);font-size:12px;font-weight:700;padding:3px 12px;border-radius:100px;margin-bottom:12px}

/* Library track */
.library{background:var(--bg)}
.library-track{display:flex;gap:20px;overflow-x:auto;padding:8px 4px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.library-track::-webkit-scrollbar{height:6px}
.library-track::-webkit-scrollbar-thumb{background:rgba(201,168,106,.4);border-radius:6px}
.library-card{flex:0 0 260px;background:var(--card);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:all .3s;scroll-snap-align:start;position:relative}
.library-card:hover{box-shadow:var(--shadow-md);transform:translateY(-6px)}
.library-card .lib-icon{width:48px;height:48px;border-radius:12px;background:var(--grad-dark);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.library-card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.library-card p{font-size:13.5px;color:var(--muted);line-height:1.6;margin-bottom:14px}
.library-card .lib-tag{font-size:12px;font-weight:600;color:var(--accent-hover);background:rgba(201,168,106,.12);padding:4px 10px;border-radius:100px;display:inline-flex;align-items:center;gap:4px}
.library-track-wrap{position:relative}
.library-note{text-align:center;font-size:13px;color:var(--muted);margin-top:8px}

/* Hot recommendations */
.hot{background:#fff}
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hot-card{background:var(--card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:all .35s;display:flex;flex-direction:column}
.hot-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-8px)}
.hot-card-img{position:relative;height:200px;overflow:hidden}
.hot-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.hot-card:hover .hot-card-img img{transform:scale(1.05)}
.hot-card-img .hot-rank{position:absolute;top:14px;left:14px;background:var(--grad-gold);color:var(--primary);font-weight:800;font-size:13px;padding:4px 12px;border-radius:100px;box-shadow:0 4px 12px rgba(0,0,0,.2)}
.hot-card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.hot-card-body h3{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--primary)}
.hot-card-body .hot-loc{font-size:13px;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.hot-card-body .hot-desc{font-size:14px;color:#555;line-height:1.65;margin-bottom:16px;flex:1}
.hot-card-body .hot-meta{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:14px}
.hot-score{font-size:15px;font-weight:700;color:var(--accent-hover)}
.hot-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:4px}
.hot-link:hover{gap:8px;color:var(--accent-hover)}

/* Zones */
.zones{background:linear-gradient(180deg,var(--bg) 0%,#fff 100%)}
.zones-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.zone-card{border-radius:var(--radius-lg);background:#fff;border:1px solid var(--line);overflow:hidden;transition:all .35s;text-align:center;padding:32px 20px;box-shadow:var(--shadow-sm)}
.zone-card:hover{box-shadow:var(--shadow-md);transform:translateY(-6px);border-color:rgba(201,168,106,.5)}
.zone-card .zone-icon{width:64px;height:64px;border-radius:50%;background:var(--grad-dark);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:var(--accent);font-size:24px;box-shadow:0 6px 20px rgba(30,27,58,.2)}
.zone-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.zone-card p{font-size:13.5px;color:var(--muted);line-height:1.55}
.zone-card .zone-count{display:inline-block;margin-top:14px;font-size:12px;font-weight:600;color:var(--accent-hover);background:rgba(201,168,106,.12);padding:4px 14px;border-radius:100px}

/* News */
.news{background:#fff;border-top:1px solid var(--line)}
.news-wrap{display:grid;grid-template-columns:2fr 1fr;gap:40px}
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line);transition:background .25s;border-radius:10px;padding-left:12px;padding-right:12px}
.news-item:hover{background:rgba(30,27,58,.03)}
.news-item .news-date{font-size:12px;color:var(--muted);background:var(--bg);padding:4px 10px;border-radius:6px;white-space:nowrap}
.news-item a{font-weight:500;color:var(--text);flex:1;font-size:15px}
.news-item a:hover{color:var(--accent-hover)}
.news-side{background:var(--bg);border-radius:var(--radius-lg);padding:28px 24px;border:1px solid var(--line)}
.news-side h3{font-size:17px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.news-side h3 i{color:var(--accent)}
.news-side ul{display:flex;flex-direction:column;gap:10px}
.news-side li a{display:flex;align-items:center;gap:10px;font-size:14px;color:#555;padding:8px 12px;border-radius:10px;transition:background .25s}
.news-side li a:hover{background:rgba(201,168,106,.1);color:var(--primary)}
.news-side li a .fa-arrow-right{font-size:10px;color:var(--accent);opacity:0;transition:opacity .25s}
.news-side li a:hover .fa-arrow-right{opacity:1}

/* FAQ */
.faq{background:var(--bg)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font-weight:600;font-size:15px;color:var(--primary);transition:background .25s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(201,168,106,.06)}
.faq-item summary .fa-chevron-down{color:var(--accent);transition:transform .3s}
.faq-item[open] summary .fa-chevron-down{transform:rotate(180deg)}
.faq-answer{padding:0 22px 20px;color:#555;font-size:14.5px;line-height:1.8}

/* CTA */
.cta{position:relative;background:var(--grad-dark);overflow:hidden}
.cta::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center;opacity:.12}
.cta .container{position:relative;z-index:1}
.cta-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.cta-info h2{font-size:clamp(26px,3vw,36px);font-weight:800;color:#fff;margin-bottom:16px;line-height:1.3}
.cta-info p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.8;margin-bottom:24px}
.cta-features{display:flex;flex-direction:column;gap:12px}
.cta-features li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.85);font-size:14px}
.cta-features i{color:var(--accent);font-size:16px}
.cta-form-wrap{background:#fff;border-radius:var(--radius-lg);padding:36px 32px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.cta-form-wrap h3{font-size:20px;font-weight:700;margin-bottom:6px;color:var(--primary)}
.cta-form-wrap .form-sub{font-size:13px;color:var(--muted);margin-bottom:22px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input,.form-group select{width:100%;padding:12px 16px;border-radius:10px;background:var(--bg);border:1.5px solid var(--line);font-size:14px;transition:all .25s}
.form-group input:focus,.form-group select:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(201,168,106,.15)}
.btn-block{width:100%;padding:14px;font-size:15px;border-radius:12px}
.form-success{text-align:center;padding:30px 10px}
.form-success i{font-size:48px;color:#2d7d46;margin-bottom:12px}
.form-success h3{font-size:20px;margin-bottom:8px}
.form-success p{color:var(--muted);font-size:14px}

/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.75)}
.footer-main{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:40px}
.footer-brand .logo-text{color:#fff;-webkit-text-fill-color:#fff;font-size:18px}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:14px;color:rgba(255,255,255,.6)}
.footer-nav h4,.footer-contact h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-nav ul{display:flex;flex-direction:column;gap:8px}
.footer-nav a{font-size:14px;color:rgba(255,255,255,.6)}
.footer-nav a:hover{color:var(--accent)}
.footer-contact ul{display:flex;flex-direction:column;gap:8px}
.footer-contact li{font-size:14px;display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--accent);width:18px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:13px;color:rgba(255,255,255,.4);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* Responsive */
@media (max-width:992px){
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:block}
  .services-grid,.hot-grid{grid-template-columns:repeat(2,1fr)}
  .metrics .container{grid-template-columns:repeat(2,1fr)}
  .zones-grid{grid-template-columns:repeat(2,1fr)}
  .cmp-grid{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;gap:32px}
  .news-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:768px){
  .hero{min-height:520px}
  .hero-content{padding:60px 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:36px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
  .services-grid,.hot-grid{grid-template-columns:1fr}
  .metrics .container{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .site-header .container{height:64px}
  .logo-text{font-size:14px}
  .logo-icon{width:36px;height:36px;font-size:16px}
  .hero-badges{gap:6px}
  .hero-badge{font-size:12px;padding:4px 10px}
  .hero-actions .btn-hero{font-size:14px;padding:12px 24px}
  .metrics .container{grid-template-columns:1fr}
  .metric-num{font-size:36px}
  .library-card{flex-basis:220px}
  .zones-grid{grid-template-columns:1fr}
  .cta-form-wrap{padding:28px 20px}
  .footer-bottom{font-size:12px}
}

:root{
 --primary:#1e1b3a;
 --primary-light:#2d2b55;
 --primary-dark:#14122a;
 --accent:#c9a86a;
 --accent-light:#e2c896;
 --accent-hover:#b89250;
 --bg:#f7f5f1;
 --card:#ffffff;
 --text:#1e1b3a;
 --muted:#6b6b80;
 --line:#e6e0d8;
 --radius-lg:22px;
 --radius-md:14px;
 --radius-sm:8px;
 --shadow-sm:0 2px 8px rgba(26,26,46,.06);
 --shadow-md:0 8px 24px rgba(26,26,46,.08);
 --shadow-lg:0 16px 48px rgba(26,26,46,.12);
 --grad-gold:linear-gradient(135deg,#c9a86a 0%,#e2c896 40%,#c9a86a 100%);
 --grad-dark:linear-gradient(135deg,#1e1b3a 0%,#2d2b55 100%);
 --font:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
a{text-decoration:none;color:inherit;transition:color .25s}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;border:none;outline:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,224,216,.7);box-shadow:0 2px 12px rgba(26,26,46,.04)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-icon{width:42px;height:42px;border-radius:12px;background:var(--grad-dark);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:20px;box-shadow:0 4px 12px rgba(30,27,58,.2)}
.logo-text{font-weight:700;font-size:17px;letter-spacing:.5px;color:var(--primary);white-space:nowrap;background:var(--grad-dark);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-links{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.nav-links a{position:relative;padding:8px 18px;border-radius:10px;font-weight:500;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--primary);background:rgba(30,27,58,.06)}
.nav-links a.active{color:var(--primary);background:rgba(30,27,58,.08);font-weight:600}
.nav-links a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;border-radius:3px;background:var(--grad-gold)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:600;cursor:pointer;padding:10px 20px;transition:all .3s;font-size:14px}
.btn-primary{background:var(--grad-gold);color:var(--primary);box-shadow:0 4px 16px rgba(201,168,106,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(201,168,106,.45)}
.btn-outline{border:1.5px solid var(--line);color:var(--primary);background:#fff}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-hover);background:rgba(201,168,106,.04)}
.btn-ghost{background:rgba(30,27,58,.06);color:var(--primary)}
.nav-toggle{display:none;background:none;font-size:22px;color:var(--primary);cursor:pointer;padding:6px}
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:#fff;padding:16px 24px 24px;box-shadow:0 20px 40px rgba(26,26,46,.12);z-index:99;flex-direction:column;gap:6px}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 16px;border-radius:10px;font-weight:500;font-size:16px;color:var(--text)}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(30,27,58,.06);color:var(--primary)}
.mobile-menu .btn{margin-top:8px;width:100%}
/* Page Hero Coupon Wall */
.page-hero{position:relative;overflow:hidden;background:var(--grad-dark);padding:80px 0 90px}
.page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.jpg');background-size:cover;background-position:center;opacity:.2}
.page-hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(20,18,42,.92) 0%,rgba(30,27,58,.78) 55%,rgba(45,43,85,.6) 100%)}
.page-hero-content{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.6);font-size:13px;letter-spacing:.5px;margin-bottom:24px}
.crumb a{color:rgba(255,255,255,.7)}
.crumb a:hover{color:var(--accent-light)}
.crumb i{font-size:12px}
.hero-coupon-wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(26px,4vw,42px);font-weight:800;color:#fff;line-height:1.3;margin-bottom:18px;letter-spacing:.5px}
.hero-copy h1 span{background:var(--grad-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-copy p{font-size:15px;color:rgba(255,255,255,.85);line-height:1.85;max-width:620px}
.hero-copy .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(201,168,106,.14);border:1px solid rgba(201,168,106,.35);color:var(--accent-light);font-size:13px;font-weight:500;padding:5px 14px;border-radius:100px}
.hero-tag i{font-size:11px}
/* Coupon Card */
.coupon-card{position:relative;background:linear-gradient(145deg,#1b1938,#24214a);border:1px solid rgba(201,168,106,.35);border-radius:24px;padding:32px;box-shadow:0 20px 60px rgba(0,0,0,.35);overflow:hidden}
.coupon-card::before{content:'';position:absolute;top:-40px;right:-40px;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,106,.2),transparent 70%)}
.coupon-card::after{content:'';position:absolute;bottom:30px;left:30px;width:60px;height:60px;border:2px dashed rgba(201,168,106,.25);border-radius:12px;transform:rotate(8deg);pointer-events:none}
.coupon-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;position:relative;z-index:1}
.coupon-label{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--accent);background:rgba(201,168,106,.15);padding:4px 14px;border-radius:100px;text-transform:uppercase}
.coupon-amount{font-size:34px;font-weight:800;color:#fff;line-height:1.2}
.coupon-amount span{font-size:15px;color:var(--accent-light);font-weight:600;margin-left:4px}
.coupon-desc{margin:18px 0 20px;position:relative;z-index:1}
.coupon-desc p{color:rgba(255,255,255,.8);font-size:14px;line-height:1.7}
.coupon-meta{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:24px;position:relative;z-index:1}
.coupon-meta-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px 14px}
.coupon-meta-item i{color:var(--accent);margin-right:6px;font-size:13px}
.coupon-meta-item span{font-size:13px;color:rgba(255,255,255,.8)}
.coupon-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--grad-gold);color:var(--primary);font-size:16px;font-weight:700;border-radius:14px;padding:14px 24px;transition:all .3s;box-shadow:0 8px 30px rgba(201,168,106,.35);cursor:pointer;position:relative;z-index:1}
.coupon-btn:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(201,168,106,.5)}
.coupon-btn i{font-size:15px}
.coupon-note{margin-top:14px;text-align:center;font-size:12px;color:rgba(255,255,255,.45);position:relative;z-index:1}
/* Section common */
.section{padding:78px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 50px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--accent-hover);letter-spacing:1px;text-transform:uppercase;margin-bottom:12px;background:rgba(201,168,106,.12);padding:6px 16px;border-radius:100px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--primary);line-height:1.35;margin-bottom:12px}
.section-head h2 span{background:var(--grad-dark);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-head p{color:var(--muted);font-size:15px;line-height:1.8}
/* Metrics Dashboard */
.metrics-dashboard{background:linear-gradient(180deg,var(--bg) 0%,#f0ede7 100%);position:relative}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{background:var(--card);border-radius:var(--radius-lg);padding:30px 26px;text-align:center;border:1px solid var(--line);box-shadow:var(--shadow-md);position:relative;overflow:hidden;transition:transform .3s,box-shadow .3s}
.metric-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.metric-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-gold)}
.metric-icon{width:54px;height:54px;border-radius:16px;background:rgba(201,168,106,.14);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;color:var(--accent-hover)}
.metric-num{font-size:36px;font-weight:800;color:var(--primary);line-height:1.2}
.metric-num small{font-size:15px;font-weight:600;color:var(--accent-hover);margin-left:2px}
.metric-label{color:var(--muted);font-size:14px;margin-top:6px;font-weight:500}
.metric-extra{color:var(--muted);font-size:12px;margin-top:8px;background:rgba(30,27,58,.04);display:inline-block;padding:3px 12px;border-radius:100px}
/* Service Matrix */
.service-matrix{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.service-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{background:var(--bg);border-radius:var(--radius-lg);padding:30px;border:1px solid var(--line);transition:all .3s;position:relative}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(201,168,106,.5)}
.service-card .service-img{height:180px;border-radius:var(--radius-md);overflow:hidden;margin-bottom:22px;position:relative}
.service-card .service-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.service-card:hover .service-img img{transform:scale(1.06)}
.service-card .service-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(20,18,42,.45) 100%)}
.service-badge{position:absolute;top:14px;left:14px;background:rgba(20,18,42,.82);color:var(--accent-light);font-size:12px;font-weight:600;padding:4px 14px;border-radius:100px;z-index:1;backdrop-filter:blur(4px);border:1px solid rgba(201,168,106,.3)}
.service-card h3{font-size:19px;font-weight:700;color:var(--primary);margin-bottom:8px}
.service-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.service-tags{display:flex;flex-wrap:wrap;gap:8px}
.service-tags span{background:rgba(201,168,106,.12);color:var(--accent-hover);font-size:12px;font-weight:500;padding:3px 12px;border-radius:100px}
/* Comparison / Result */
.comparison-section{position:relative;background:var(--grad-dark);overflow:hidden}
.comparison-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.08}
.comparison-section .section-head h2{color:#fff}
.comparison-section .section-head p{color:rgba(255,255,255,.7)}
.comparison-section .section-tag{background:rgba(201,168,106,.15);color:var(--accent-light)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;position:relative;z-index:1}
.compare-col{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:34px 30px;backdrop-filter:blur(6px)}
.compare-col h3{color:#fff;font-size:20px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.compare-col h3 i{color:var(--accent)}
.compare-col .compare-sub{color:rgba(255,255,255,.55);font-size:13px;margin-bottom:24px}
.compare-item{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.compare-item:last-child{border-bottom:none}
.compare-item .ci-icon{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:14px}
.compare-bad .ci-icon{background:rgba(255,80,80,.18);color:#ff8a8a}
.compare-good .ci-icon{background:rgba(201,168,106,.22);color:var(--accent-light)}
.compare-item h4{color:rgba(255,255,255,.9);font-size:14px;font-weight:600}
.compare-item p{color:rgba(255,255,255,.55);font-size:13px;line-height:1.6;margin-top:2px}
.compare-compact{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.compare-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:20px;text-align:center}
.compare-stat .cs-num{font-size:30px;font-weight:800;color:var(--accent-light)}
.compare-stat .cs-label{color:rgba(255,255,255,.6);font-size:13px;margin-top:4px}
/* FAQ */
.faq-section{background:var(--card)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;font-size:15px;color:var(--primary)}
.faq-q i{color:var(--accent-hover);transition:transform .3s;font-size:14px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14px;line-height:1.85;border-top:1px dashed var(--line);margin:0 24px 0;padding-top:16px}
/* CTA / Lead Form */
.lead-section{position:relative;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,var(--primary-light) 100%);overflow:hidden}
.lead-section::before{content:'';position:absolute;top:-80px;left:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,106,.18),transparent 70%)}
.lead-section::after{content:'';position:absolute;bottom:-100px;right:-60px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(201,168,106,.12),transparent 70%)}
.lead-wrap{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.lead-copy h2{color:#fff;font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.4;margin-bottom:16px}
.lead-copy h2 span{background:var(--grad-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.lead-copy p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.85;margin-bottom:24px}
.lead-list{list-style:none;margin:0 0 28px;padding:0}
.lead-list li{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.85);font-size:14px;margin-bottom:12px}
.lead-list li i{width:28px;height:28px;border-radius:8px;background:rgba(201,168,106,.18);color:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0}
.lead-form-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:34px;backdrop-filter:blur(10px)}
.lead-form-card h3{color:#fff;font-size:20px;font-weight:700;margin-bottom:6px;text-align:center}
.lead-form-card .form-sub{color:rgba(255,255,255,.6);font-size:13px;text-align:center;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group input[type="text"],.form-group input[type="tel"],.form-group select,.form-group textarea{width:100%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:13px 16px;color:#fff;font-size:14px;transition:border-color .3s,background .3s}
.form-group select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23c9a86a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}
.form-group select option{color:var(--primary);background:#fff}
.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(255,255,255,.4)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(201,168,106,.15)}
.form-group textarea{resize:vertical;min-height:90px}
.form-submit{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--grad-gold);color:var(--primary);font-size:16px;font-weight:700;border-radius:14px;padding:14px 24px;margin-top:16px;cursor:pointer;transition:all .3s;box-shadow:0 8px 30px rgba(201,168,106,.35);border:none}
.form-submit:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(201,168,106,.5)}
.form-privacy{margin-top:14px;text-align:center;font-size:12px;color:rgba(255,255,255,.4)}
/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.7);padding:72px 0 0;margin-top:0}
.site-footer .logo-text{color:#fff;background:none;-webkit-background-clip:unset;-webkit-text-fill-color:unset;background-clip:unset}
.site-footer .logo-icon{background:var(--grad-gold);color:var(--primary)}
.footer-main{border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.55)}
.footer-nav h4,.footer-contact h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-nav ul,.footer-contact ul{list-style:none;padding:0;margin:0}
.footer-nav li,.footer-contact li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.55)}
.footer-nav a{color:rgba(255,255,255,.55);transition:color .25s}
.footer-nav a:hover{color:var(--accent-light)}
.footer-contact i{color:var(--accent);margin-right:8px;width:16px;text-align:center}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding:24px 0;font-size:13px;color:rgba(255,255,255,.35)}
.footer-bottom span:last-child{border-left:1px solid rgba(255,255,255,.12);padding-left:20px}
/* Responsive */
@media (max-width:1024px){
 .metrics-grid{grid-template-columns:repeat(2,1fr)}
 .service-wrap{grid-template-columns:repeat(2,1fr);gap:20px}
 .hero-coupon-wrap{grid-template-columns:1fr;gap:36px}
 .compare-grid{grid-template-columns:1fr}
 .lead-wrap{grid-template-columns:1fr;gap:36px}
 .nav-links{display:none}
 .nav-actions{display:none}
 .nav-toggle{display:block}
 .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
 .section{padding:60px 0}
 .page-hero{padding:56px 0 64px}
 .service-wrap{grid-template-columns:1fr}
 .compare-compact{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:32px}
 .footer-bottom{flex-direction:column;gap:8px;text-align:center}
 .footer-bottom span:last-child{border-left:none;padding-left:0}
 .form-row{grid-template-columns:1fr}
 .coupon-card{padding:26px 22px}
 .coupon-amount{font-size:28px}
 .metric-card{padding:24px 18px}
 .compare-col{padding:26px 20px}
 .lead-form-card{padding:26px 22px}
}
@media (max-width:520px){
 .container{padding:0 18px}
 .logo-text{font-size:14.5px}
 .hero-copy h1{font-size:24px}
 .coupon-meta{grid-template-columns:1fr}
 .metrics-grid{grid-template-columns:1fr}
 .service-card{padding:22px}
 .compare-col{padding:22px 18px}
 .compare-stat .cs-num{font-size:24px}
}