:root{--primary:#0B3B2E;--primary-dark:#07251D;--primary-light:rgba(11,59,46,.08);--gold:#C6A15B;--gold-light:rgba(198,161,91,.16);--gold-dark:#B08D47;--bg:#FAF6EF;--card:#fff;--text:#26332E;--text-sub:#5A6B62;--text-light:#6B7A72;--border:#E6E0D4;--radius:10px;--radius-sm:6px;--radius-lg:12px;--shadow:0 10px 24px rgba(7,37,29,.06);--shadow-hover:0 16px 36px rgba(7,37,29,.12);--shadow-gold:0 8px 22px rgba(198,161,91,.38);--font:'PingFang SC','Microsoft YaHei','Noto Sans CJK SC','Helvetica Neue',Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--gold)}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.grid-container{max-width:1280px}
section{padding:96px 0;position:relative}
.section-head{text-align:center;max-width:760px;margin:0 auto 56px}
.section-tag{display:inline-block;background:var(--gold-light);color:var(--gold-dark);font-size:13px;font-weight:600;padding:6px 18px;border-radius:999px;letter-spacing:2px;margin-bottom:16px}
.section-head h2{font-size:36px;font-weight:800;color:var(--primary);line-height:1.3;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--text-light);line-height:1.7}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);font-size:15px;font-weight:600;padding:13px 28px;border-radius:var(--radius-sm);border:none;cursor:pointer;transition:all .3s ease;line-height:1.2;white-space:nowrap}
.btn-primary{background:var(--gold);color:#fff;box-shadow:var(--shadow-gold)}
.btn-primary:hover{background:var(--gold-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(198,161,91,.45)}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-dark);background:var(--gold-light);transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#fff;box-shadow:var(--shadow-gold)}
.btn-gold:hover{background:var(--gold-dark);color:#fff;transform:translateY(-2px)}
.btn-large{padding:16px 36px;font-size:16px}
.btn-block{width:100%;display:flex}
/* 导航 */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(7,37,29,.85);backdrop-filter:blur(12px);transition:background .4s ease,box-shadow .4s ease,height .3s ease;height:84px}
.header.scrolled{background:rgba(7,37,29,.97);box-shadow:0 4px 24px rgba(0,0,0,.2);height:64px}
.nav-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:22px;font-weight:800;color:#fff;letter-spacing:1px;line-height:1.2}
.logo span{color:var(--gold)}
.nav-links{display:flex;align-items:center;gap:32px;margin:0}
.nav-links a{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;transition:color .25s}
.nav-links a:hover{color:var(--gold)}
.nav-links a.active{color:var(--gold)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
.nav-cta .btn-outline:hover{border-color:var(--gold);color:var(--gold);background:transparent}
.header .title-bar{background:transparent}
.header .menu-icon{margin-left:auto}
.mobile-nav{display:none}
/* Hero */
.hero{background:var(--primary-dark);padding:0;min-height:720px;display:flex;align-items:center;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.jpg');background-size:cover;background-position:center;opacity:.4}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(7,37,29,.96) 0%,rgba(7,37,29,.85) 45%,rgba(11,59,46,.55) 100%)}
.hero-content{position:relative;z-index:2;padding:180px 0 80px;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--gold);color:#fff;font-size:14px;font-weight:700;padding:8px 20px;border-radius:999px;margin-bottom:28px;box-shadow:var(--shadow-gold);animation:float 3s ease-in-out infinite}
.hero-badge i{font-size:14px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.hero h1{font-size:46px;font-weight:800;color:#fff;line-height:1.25;margin-bottom:20px;max-width:720px}
.hero h1 span{color:var(--gold)}
.hero-sub{font-size:18px;color:rgba(255,255,255,.88);line-height:1.7;max-width:600px;margin-bottom:32px}
.hero-promo{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);border-left:3px solid var(--gold);padding:12px 20px;border-radius:8px;margin-bottom:36px;font-size:15px;color:rgba(255,255,255,.95)}
.hero-promo i{color:var(--gold)}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-info-bar{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:16px 0;border-top:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.75);font-size:14px}
.hero-info-bar i{color:var(--gold);margin-right:6px}
/* 指标看板 */
.stats{padding:0;position:relative;z-index:3;margin-top:-60px}
.stats-card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:44px 36px;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{text-align:center;padding:0 24px;position:relative}
.stat-item:not(:last-child)::after{content:'';position:absolute;right:0;top:25%;bottom:25%;width:1px;background:var(--border)}
.stat-number{font-size:48px;font-weight:800;color:var(--primary);line-height:1.1;margin-bottom:4px}
.stat-number em{font-style:normal;color:var(--gold);font-size:24px;font-weight:700;vertical-align:super;margin-left:2px}
.stat-label{font-size:15px;color:var(--text-light);font-weight:500}
/* 服务矩阵 */
.services{background:var(--bg)}
.service-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;height:100%;display:flex;flex-direction:column}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.service-card-img{position:relative;height:200px;overflow:hidden}
.service-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-card:hover .service-card-img img{transform:scale(1.06)}
.service-card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,37,29,.55))}
.service-card-body{padding:26px;flex:1;display:flex;flex-direction:column}
.service-card-body h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:10px;transition:color .3s}
.service-card:hover .service-card-body h3{color:var(--gold)}
.service-card-body p{font-size:15px;color:var(--text-light);line-height:1.65;margin-bottom:16px;flex:1}
.service-tags{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.tag{display:inline-block;background:var(--gold-light);color:var(--gold-dark);font-size:12px;font-weight:600;padding:4px 14px;border-radius:999px}
.service-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:color .3s}
.service-link:hover{color:var(--gold)}
.service-link i{font-size:12px;transition:transform .3s}
.service-link:hover i{transform:translateX(4px)}
/* 结果对比 */
.comparison{background:var(--card)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;max-width:1100px;margin:0 auto}
.compare-card{border-radius:var(--radius-lg);padding:40px;transition:transform .3s,box-shadow .3s}
.compare-card.bad{background:#f8f7f4;border:1px solid var(--border)}
.compare-card.good{background:var(--primary);border:2px solid var(--gold);box-shadow:var(--shadow-hover);position:relative}
.compare-card.good::before{content:'推荐';position:absolute;top:-14px;right:28px;background:var(--gold);color:#fff;font-size:12px;font-weight:700;padding:4px 18px;border-radius:999px;letter-spacing:2px}
.compare-card h3{font-size:22px;font-weight:700;margin-bottom:24px;display:flex;align-items:center;gap:10px}
.compare-card.bad h3{color:var(--text-light)}
.compare-card.good h3{color:#fff}
.compare-card.bad h3 i{color:#C0AFA0}
.compare-card.good h3 i{color:var(--gold)}
.compare-list{list-style:none}
.compare-list li{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid rgba(0,0,0,.05);font-size:15px;line-height:1.5}
.compare-card.good .compare-list li{border-color:rgba(255,255,255,.1);color:rgba(255,255,255,.92)}
.compare-card.bad .compare-list li{color:var(--text-sub)}
.compare-icon{flex-shrink:0;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;margin-top:3px}
.compare-icon.no{background:#F0EDE6;color:#A8998C}
.compare-icon.yes{background:var(--gold);color:#fff}
.compare-list li:last-child{border-bottom:none}
.compare-label{font-weight:600;margin-right:4px;font-size:14px;display:block;color:var(--text-sub)}
.compare-card.good .compare-label{color:rgba(255,255,255,.65)}
/* 限时入口 */
.limited{background:var(--primary-dark);padding:72px 0;position:relative;overflow:hidden}
.limited::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 80% 50%,rgba(198,161,91,.12),transparent 60%)}
.limited-box{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;z-index:2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:40px 44px;backdrop-filter:blur(4px)}
.limited-info{flex:1;min-width:280px}
.limited-tag{display:inline-block;background:var(--gold);color:#fff;font-size:13px;font-weight:700;padding:6px 18px;border-radius:999px;letter-spacing:2px;margin-bottom:16px}
.limited-info h2{font-size:28px;font-weight:800;color:#fff;margin-bottom:8px}
.limited-info p{color:rgba(255,255,255,.7);font-size:15px}
.countdown{display:flex;gap:12px;margin:24px 0 0;flex-wrap:wrap}
.countdown-item{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:12px 16px;text-align:center;min-width:72px}
.countdown-item .num{font-size:28px;font-weight:800;color:var(--gold);display:block;line-height:1.2}
.countdown-item .unit{font-size:12px;color:rgba(255,255,255,.6);text-transform:uppercase;letter-spacing:1px}
.limited-cta{flex-shrink:0}
/* 资讯区 */
.news{background:var(--bg)}
.news-wrap{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:0}
.news-item{display:flex;align-items:center;gap:20px;padding:22px 0;border-bottom:1px solid var(--border);transition:background .2s}
.news-item:hover{background:rgba(198,161,91,.04)}
.news-item-date{flex-shrink:0;text-align:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px}
.news-item-date .day{font-size:22px;font-weight:800;color:var(--primary);display:block;line-height:1.1}
.news-item-date .month{font-size:12px;color:var(--text-light)}
.news-item-content{flex:1;min-width:0}
.news-item-content h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:4px;transition:color .3s}
.news-item-content h3 a{color:var(--text)}
.news-item-content h3 a:hover{color:var(--gold)}
.news-item-content p{font-size:14px;color:var(--text-light);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.news-sidebar{position:sticky;top:100px}
.sidebar-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;margin-bottom:24px}
.sidebar-card h4{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--gold-light)}
.sidebar-list{list-style:none}
.sidebar-list li{padding:10px 0;border-bottom:1px dashed var(--border)}
.sidebar-list li:last-child{border-bottom:none}
.sidebar-list a{font-size:14px;color:var(--text-sub);line-height:1.5;display:block;transition:color .3s}
.sidebar-list a:hover{color:var(--gold)}
.sidebar-list .hot{color:var(--gold);font-weight:600;font-size:12px;margin-right:4px}
/* FAQ */
.faq{background:var(--card)}
.faq-wrap{max-width:800px;margin:0 auto}
.accordion-item{border:1px solid var(--border) !important;border-radius:8px !important;margin-bottom:12px;background:#fff;overflow:hidden;transition:box-shadow .3s}
.accordion-item:hover{box-shadow:var(--shadow)}
.accordion-title{font-size:16px !important;font-weight:600 !important;color:var(--text) !important;padding:20px 24px !important;display:flex;justify-content:space-between;align-items:center;transition:color .3s}
.accordion-title::after{content:'' !important;display:none}
.accordion-title i{color:var(--gold);transition:transform .3s;margin-left:12px;flex-shrink:0}
.accordion-item.is-active .accordion-title{color:var(--gold) !important;border-bottom:1px solid var(--border)}
.accordion-item.is-active .accordion-title i{transform:rotate(180deg)}
.accordion-content{background:#fdfbf7;padding:4px 24px 20px}
.accordion-content p{font-size:15px;color:var(--text-light);line-height:1.75;padding:14px 0 6px}
/* 转化表单 */
.contact{background:var(--primary-dark);position:relative;overflow:hidden}
.contact::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 20% 80%,rgba(198,161,91,.14),transparent 60%)}
.contact-wrap{display:grid;grid-template-columns:1fr 480px;gap:56px;align-items:center;position:relative;z-index:2}
.contact-info h2{font-size:36px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:20px}
.contact-info p{font-size:16px;color:rgba(255,255,255,.78);line-height:1.75;margin-bottom:28px}
.contact-points{list-style:none;margin-bottom:28px}
.contact-points li{display:flex;align-items:center;gap:12px;padding:10px 0;color:rgba(255,255,255,.88);font-size:15px}
.contact-points li i{color:var(--gold);font-size:16px;flex-shrink:0}
.contact-phone{display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:18px 22px;max-width:340px}
.contact-phone .icon{width:44px;height:44px;background:var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;flex-shrink:0}
.contact-phone .info{font-size:13px;color:rgba(255,255,255,.6)}
.contact-phone .info strong{display:block;font-size:17px;color:#fff;font-weight:700;margin-top:2px}
.form-card{background:#fff;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.3);padding:38px}
.form-card h3{font-size:24px;font-weight:800;color:var(--primary);margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--text-light);margin-bottom:26px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.form-group input,.form-group select,.form-group textarea{width:100%;height:44px;border:1px solid var(--border);border-radius:6px;padding:0 14px;font-family:var(--font);font-size:15px;color:var(--text);background:#fdfbf7;transition:border-color .3s,box-shadow .3s;outline:none}
.form-group textarea{height:auto;padding:12px 14px;resize:vertical;min-height:80px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(198,161,91,.18);background:#fff}
.form-group input::placeholder,.form-group textarea::placeholder{color:#B5B0A6}
.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='%236B7A72' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;cursor:pointer}
/* 页脚 */
.footer{background:#051D17;padding:60px 0 0;color:rgba(255,255,255,.7)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand h3{font-size:22px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand h3 span{color:var(--gold)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{list-style:none}
.footer-col ul li{padding:7px 0}
.footer-col ul a{color:rgba(255,255,255,.6);font-size:14px;transition:color .3s}
.footer-col ul a:hover{color:var(--gold)}
.footer-contact{font-size:14px;line-height:1.9}
.footer-contact i{color:var(--gold);margin-right:8px;width:16px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:22px 0;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom a{color:rgba(255,255,255,.4)}
.footer-bottom a:hover{color:var(--gold)}
/* 响应式 */
@media(max-width:1024px){
section{padding:72px 0}
.section-head h2{font-size:30px}
.hero h1{font-size:38px}
.hero{min-height:620px}
.stats-card{grid-template-columns:repeat(2,1fr);gap:24px 0}
.stat-item:nth-child(2)::after{display:none}
.stat-item:nth-child(n+3){border-top:1px solid var(--border);padding-top:20px}
.nav-links{gap:20px}
.contact-wrap{grid-template-columns:1fr;gap:40px}
.form-card{max-width:520px}
.footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
section{padding:56px 0}
.hero{padding:0;min-height:auto}
.hero-content{padding:140px 0 48px}
.hero h1{font-size:30px}
.hero-sub{font-size:16px}
.hero-info-bar{gap:12px;flex-direction:column;align-items:flex-start}
.stats-card{grid-template-columns:1fr;gap:28px;padding:32px 24px}
.stat-item::after{display:none !important}
.stat-item{padding:0 !important;border:none !important}
.stat-number{font-size:40px}
.service-card-img{height:180px}
.compare-grid{grid-template-columns:1fr;gap:24px}
.compare-card{padding:28px}
.limited-box{padding:30px 24px}
.limited-info h2{font-size:24px}
.news-wrap{grid-template-columns:1fr;gap:32px}
.news-sidebar{position:static}
.contact-wrap{gap:32px}
.footer-top{grid-template-columns:1fr;gap:32px}
.nav-links,.nav-cta{display:none}
.mobile-nav{display:block}
}
@media(max-width:480px){
section{padding:44px 0}
.hero-content{padding-top:120px}
.hero h1{font-size:26px}
.hero-cta{flex-direction:column;width:100%}
.hero-cta .btn{width:100%}
.section-head{margin-bottom:32px}
.section-head h2{font-size:24px}
.stats-card{padding:28px 20px}
.service-card-body{padding:20px}
.countdown-item{min-width:56px;padding:10px 10px}
.countdown-item .num{font-size:22px}
.form-card{padding:24px}
.limited-cta .btn{width:100%}
}
@media(min-width:769px){.mobile-nav{display:none}}