*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background-color:#d6d3d1;
  background-image:radial-gradient(rgba(68,64,60,.07) 1px,transparent 1px);
  background-size:5px 5px;
  color:#44403c;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul{list-style:none}
a{color:#991b1b;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block;height:auto}
.wrap{max-width:1150px;margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#d6d3d1;border-bottom:3px double #44403c}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:3px;font-size:19px;color:#44403c}
.logo .seal{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:2px solid #991b1b;color:#991b1b;font-size:13px;letter-spacing:0;transform:rotate(-4deg);border-radius:3px}
.nav-links{display:flex;gap:6px;flex-wrap:wrap}
.nav-links a{font-size:14px;color:#44403c;padding:5px 12px;border:1px solid #a8a29e;background:#e7e5e4;border-radius:2px;transition:.18s}
.nav-links a:hover{background:#991b1b;color:#f5f5f4;border-color:#991b1b;text-decoration:none}

/* ---------- generic ---------- */
section{padding:56px 0}
.sec-title{display:inline-block;font-size:25px;font-weight:700;letter-spacing:2px;color:#44403c;border-bottom:4px double #991b1b;padding-bottom:8px;margin-bottom:14px}
.sec-sub{font-size:14px;color:#78716c;letter-spacing:1px;margin-bottom:30px}
.card{position:relative;background:#e7e5e4;border:2px solid #44403c;box-shadow:6px 6px 0 rgba(68,64,60,.22);padding:24px;border-radius:2px}
.card::after{content:"";position:absolute;inset:5px;border:1px dashed rgba(68,64,60,.32);pointer-events:none}
.card>*{position:relative;z-index:1}

/* ---------- hero ---------- */
#hero{padding:48px 0 54px;border-bottom:2px dashed #a8a29e}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.kicker{display:inline-block;font-size:12px;letter-spacing:3px;color:#f5f5f4;background:#991b1b;padding:3px 12px;margin-bottom:16px}
h1{font-size:34px;line-height:1.35;font-weight:700;letter-spacing:1px;color:#292524;margin-bottom:16px}
.lead{font-size:15.5px;color:#57534e;margin-bottom:22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:9px 22px;font-size:14px;letter-spacing:1px;border:2px solid #44403c;border-radius:2px;transition:.18s}
.btn-red{background:#991b1b;color:#f5f5f4;border-color:#991b1b}
.btn-red:hover{background:#7f1d1d;text-decoration:none}
.btn-ghost{background:#e7e5e4;color:#44403c}
.btn-ghost:hover{background:#44403c;color:#f5f5f4;text-decoration:none}
.hero-fig{border:2px solid #44403c;background:#e7e5e4;padding:10px;box-shadow:8px 8px 0 rgba(153,27,27,.28);transform:rotate(-1deg)}
.hero-fig img{filter:sepia(.18) contrast(1.05)}
.hero-fig figcaption{font-size:12px;letter-spacing:2px;text-align:center;color:#78716c;padding-top:8px}

/* ---------- geo ---------- */
#geo-intro{background:#cfccc9;border-bottom:2px dashed #a8a29e;border-top:2px dashed #a8a29e}
.geo-flow{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.geo-block{background:#e7e5e4;border-left:5px solid #991b1b;padding:18px 22px;border-top:1px solid #a8a29e;border-right:1px solid #a8a29e;border-bottom:1px solid #a8a29e}
.geo-block h3{font-size:16px;letter-spacing:1px;color:#991b1b;margin-bottom:8px}
.geo-block p{font-size:14.5px;color:#57534e}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat{background:#e7e5e4;border:2px solid #44403c;padding:22px 18px;text-align:center;box-shadow:4px 4px 0 rgba(68,64,60,.2)}
.stat .num{font-size:34px;font-weight:700;color:#991b1b;letter-spacing:1px;line-height:1.2}
.stat .num small{font-size:15px;color:#44403c;margin-left:2px}
.stat .lbl{font-size:13.5px;color:#57534e;letter-spacing:1px;margin-top:6px}

/* ---------- story ---------- */
.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}
.story-fig{border:2px solid #44403c;background:#e7e5e4;padding:10px;box-shadow:-8px 8px 0 rgba(68,64,60,.22);transform:rotate(1deg)}
.story-fig figcaption{font-size:12px;letter-spacing:2px;color:#78716c;text-align:center;padding-top:8px}
.story-text p{font-size:15px;color:#57534e;margin-bottom:14px}
.timeline-mini{margin-top:18px;border-top:2px dotted #a8a29e;padding-top:14px}
.timeline-mini li{font-size:14px;color:#57534e;padding:6px 0 6px 18px;position:relative}
.timeline-mini li::before{content:"◆";position:absolute;left:0;color:#991b1b;font-size:11px;top:9px}
.timeline-mini li b{color:#292524}

/* ---------- brands ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.brand{background:#e7e5e4;border:2px solid #44403c;padding:20px;border-radius:2px;position:relative;transition:.18s}
.brand:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 rgba(153,27,27,.35)}
.brand h3{font-size:16.5px;letter-spacing:1px;color:#292524;margin-bottom:6px;border-bottom:1px dotted #a8a29e;padding-bottom:6px}
.brand span{display:block;font-size:12px;letter-spacing:2px;color:#991b1b;margin-bottom:8px}
.brand p{font-size:14px;color:#57534e}

/* ---------- advantages ---------- */
#advantages{background:#cfccc9;border-top:2px dashed #a8a29e;border-bottom:2px dashed #a8a29e}
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.adv{background:#e7e5e4;border:2px solid #44403c;padding:22px;box-shadow:5px 5px 0 rgba(68,64,60,.2)}
.adv h3{font-size:16px;color:#991b1b;letter-spacing:1px;margin-bottom:8px}
.adv p{font-size:14.5px;color:#57534e}

/* ---------- news ---------- */
.news-list{display:grid;gap:20px}
.news-item{background:#e7e5e4;border:2px solid #44403c;border-left:7px solid #991b1b;padding:20px 24px;box-shadow:4px 4px 0 rgba(68,64,60,.18)}
.news-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;letter-spacing:1px;color:#78716c;margin-bottom:6px}
.news-meta time{color:#991b1b;font-weight:700}
.news-meta .tag{background:#44403c;color:#e7e5e4;padding:1px 9px;border-radius:2px;font-size:11.5px;letter-spacing:1px}
.news-item h3{font-size:17.5px;color:#292524;letter-spacing:.5px;margin-bottom:8px}
.news-item p{font-size:14.5px;color:#57534e}

/* ---------- faq ---------- */
#faq{background:#cfccc9;border-top:2px dashed #a8a29e}
.faq-list{display:grid;gap:16px}
.faq-item{background:#e7e5e4;border:2px solid #44403c;padding:0;box-shadow:4px 4px 0 rgba(68,64,60,.18)}
.faq-q{display:block;padding:16px 22px;font-size:16px;font-weight:700;color:#292524;background:#dcd9d6;border-bottom:1px solid #a8a29e;letter-spacing:.5px}
.faq-q::before{content:"Q.";color:#991b1b;margin-right:8px;letter-spacing:0}
.faq-a{padding:16px 22px;font-size:14.5px;color:#57534e}
.faq-a::before{content:"A.";color:#991b1b;font-weight:700;margin-right:8px}

/* ---------- cta ---------- */
#cta{padding:48px 0}
.cta-box{display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;background:#44403c;color:#e7e5e4;border:2px solid #292524;padding:32px;box-shadow:8px 8px 0 rgba(153,27,27,.4)}
.cta-box h2{font-size:24px;letter-spacing:2px;margin-bottom:12px;color:#f5f5f4}
.cta-box p{font-size:14.5px;color:#d6d3d1;margin-bottom:18px}
.cta-box img{border:2px solid #d6d3d1;filter:sepia(.25)}
.cta-box .btn-ghost{background:transparent;color:#f5f5f4;border-color:#d6d3d1}
.cta-box .btn-ghost:hover{background:#991b1b;border-color:#991b1b}

/* ---------- footer ---------- */
.site-foot{background:#44403c;color:#d6d3d1;padding:44px 0 22px;border-top:4px double #991b1b}
.foot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-bottom:28px}
.site-foot h4{font-size:14px;letter-spacing:2px;color:#f5f5f4;margin-bottom:12px;border-bottom:1px dotted #78716c;padding-bottom:8px}
.site-foot p,.site-foot li{font-size:13.5px;color:#c7c2bd;line-height:1.9}
.site-foot a{color:#f0b3a8}
.foot-bottom{border-top:1px solid #57534e;padding-top:16px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#a8a29e}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero-grid,.story-grid,.cta-box{grid-template-columns:1fr}
  .stat-grid,.brand-grid,.adv-grid,.geo-flow{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  h1{font-size:27px}
}