*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:#171412;
  color:#e7e5e4;
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  background-image:radial-gradient(circle at 15% 0%,rgba(217,119,6,.13),transparent 42%),radial-gradient(circle at 92% 22%,rgba(185,28,28,.13),transparent 40%);
  background-repeat:no-repeat;
}
a{color:#d97706;text-decoration:none;transition:color .2s;}
a:hover{color:#f59e0b;}
img{max-width:100%;display:block;height:auto;}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px;}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(23,20,18,.95);backdrop-filter:blur(8px);border-bottom:2px solid #44403c;}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:9px;padding-bottom:9px;min-height:66px;}
.brand-mark{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:800;letter-spacing:2.4px;color:#d97706;text-transform:uppercase;}
.brand-mark .dot{width:11px;height:11px;background:#b91c1c;display:inline-block;transform:rotate(45deg);}
.nav-links{display:flex;flex-wrap:wrap;gap:4px;}
.nav-links a{padding:8px 12px;font-size:14px;color:#d6d3d1;border-bottom:2px solid transparent;}
.nav-links a:hover{color:#f59e0b;background:#211d1a;border-bottom-color:#b91c1c;}

/* 通用区块 */
section{padding:56px 0;}
section + section{border-top:1px solid #2c2825;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
h2{font-size:clamp(21px,2.6vw,29px);margin:0;color:#fafaf9;position:relative;padding-left:16px;line-height:1.4;}
h2::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:6px;background:linear-gradient(180deg,#d97706,#b91c1c);}
.sec-sub{color:#a8a29e;font-size:14px;max-width:660px;margin:0;}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:#1c1917;background:#d97706;padding:4px 11px;border-radius:2px 8px 2px 8px;}

/* 首屏 */
#hero{padding:58px 0 52px;background:linear-gradient(180deg,#1c1917,#171412);border-top:none;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center;}
.kicker{display:inline-block;font-size:12px;letter-spacing:3px;color:#f87171;border:1px solid #b91c1c;padding:4px 11px;margin-bottom:18px;font-weight:700;}
h1{font-size:clamp(25px,3.5vw,42px);line-height:1.32;margin:0 0 18px;letter-spacing:.5px;color:#fafaf9;}
h1 .hl{color:#d97706;}
.lead{color:#c9c4bd;font-size:16.5px;margin:0 0 14px;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.btn{display:inline-block;padding:12px 24px;font-weight:700;font-size:15px;border-radius:2px 12px 2px 12px;border:2px solid #92400e;transition:transform .15s;}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:linear-gradient(180deg,#f59e0b,#b45309);color:#1c1917;box-shadow:5px 5px 0 rgba(0,0,0,.55);}
.btn-primary:hover{color:#1c1917;}
.btn-ghost{border-color:#57534e;color:#e7e5e4;background:#211d1a;}
.hero-figure{margin:0;border:2px solid #44403c;border-radius:2px 20px 2px 20px;overflow:hidden;box-shadow:9px 9px 0 rgba(185,28,28,.3);}
.hero-figure img{width:100%;}

/* GEO 五段 */
.geo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:18px;}
.geo-card{background:#211d1a;border:2px solid #44403c;border-radius:2px 14px 2px 14px;padding:22px;box-shadow:5px 5px 0 rgba(0,0,0,.45);}
.geo-card h3{margin:0 0 10px;font-size:16px;color:#d97706;letter-spacing:1px;}
.geo-card p{margin:0;color:#c9c4bd;font-size:14.5px;}

/* 品牌故事 */
.story-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center;}
.story-figure{margin:0;border:2px solid #44403c;border-radius:2px 18px 2px 18px;overflow:hidden;box-shadow:8px 8px 0 rgba(217,119,6,.25);}
.story-text p{color:#c9c4bd;font-size:15.5px;margin:0 0 14px;}
.brand-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.brand-chips span{font-size:13px;padding:6px 12px;border:1px dashed #57534e;color:#e7e5e4;border-radius:2px 8px 2px 8px;background:#1f1b18;}

/* 优势卡片 */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;}
.adv-card{position:relative;background:#211d1a;border:2px solid #44403c;border-left:6px solid #b91c1c;border-radius:2px 14px 2px 14px;padding:22px;box-shadow:5px 5px 0 rgba(0,0,0,.45);}
.adv-card h3{margin:0 0 10px;font-size:17px;color:#fafaf9;}
.adv-card p{margin:0;color:#a8a29e;font-size:14.5px;}

/* 数据 */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;}
.stat-card{background:linear-gradient(160deg,#241f1b,#1c1917);border:2px solid #44403c;border-radius:2px 16px 2px 16px;padding:24px;text-align:center;}
.stat-num{font-size:clamp(26px,3.4vw,38px);font-weight:800;color:#d97706;line-height:1.2;letter-spacing:1px;}
.stat-label{font-size:13.5px;color:#a8a29e;margin-top:8px;}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:20px;}
.news-card{display:flex;flex-direction:column;background:#211d1a;border:2px solid #44403c;border-radius:2px 16px 2px 16px;padding:22px;box-shadow:6px 6px 0 rgba(0,0,0,.5);}
.news-card:hover{transform:translateY(-2px);transition:transform .15s;}
.news-date{display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:1px;color:#1c1917;background:#a8a29e;padding:3px 10px;border-radius:2px 8px 2px 8px;margin-bottom:12px;}
.news-card h3{margin:0 0 10px;font-size:17px;line-height:1.5;color:#fafaf9;}
.news-card p{margin:0 0 10px;color:#c9c4bd;font-size:14.5px;}
.news-card p:last-child{margin-bottom:0;}

/* 口碑 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px;}
.review-card{background:#211d1a;border:2px solid #44403c;border-top:6px solid #d97706;border-radius:2px 14px 2px 14px;padding:22px;}
.review-card p{margin:0 0 14px;color:#d6d3d1;font-size:15px;}
.review-card .who{font-size:13px;color:#a8a29e;letter-spacing:1px;}

/* FAQ */
.faq-item{background:#211d1a;border:2px solid #44403c;border-radius:2px 14px 2px 14px;margin-bottom:14px;padding:0 20px;box-shadow:4px 4px 0 rgba(0,0,0,.4);}
.faq-item summary{cursor:pointer;font-weight:700;color:#f5f5f4;padding:16px 30px 16px 0;list-style:none;position:relative;font-size:15.5px;line-height:1.6;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:0;top:13px;color:#d97706;font-size:22px;font-weight:700;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{margin:0;padding:0 0 18px;color:#c9c4bd;font-size:14.5px;}

/* CTA */
#cta{background:linear-gradient(135deg,#22191a,#2b1a16);border-top:2px solid #b91c1c;}
.cta-box{border:2px dashed #b91c1c;border-radius:2px 20px 2px 20px;padding:36px 28px;background:rgba(23,20,18,.6);}
.cta-box h2{padding-left:16px;}
.cta-box p{color:#d6d3d1;max-width:720px;margin:14px 0 0;}

/* 页脚 */
.site-footer{background:#121110;border-top:2px solid #44403c;padding:44px 0 26px;font-size:14px;color:#a8a29e;}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px;margin-bottom:26px;}
.site-footer h4{color:#d97706;font-size:14px;letter-spacing:2px;margin:0 0 12px;}
.site-footer p{margin:0 0 8px;line-height:1.75;}
.site-footer a{color:#d6d3d1;}
.site-footer a:hover{color:#f59e0b;}
.footer-bottom{border-top:1px solid #2c2825;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#78716c;}

@media (max-width:860px){
  .hero-grid,.story-grid{grid-template-columns:1fr;}
  section{padding:44px 0;}
}