:root{
    --orange:#f97316;
    --orange-deep:#ea580c;
    --orange-soft:#fff3e8;
    --deep:#374151;
    --deep-2:#1f2937;
    --cream:#fdfaf6;
    --line:#e7e3dc;
    --text:#333c47;
    --muted:#6b7280;
  }
  html,body,* ,*::before,*::after{
    font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
    box-sizing:border-box;
  }
  body{
    margin:0;
    background:var(--cream);
    color:var(--text);
    line-height:1.75;
    font-size:16px;
  }
  a{color:var(--orange-deep);text-decoration:none;}
  a:hover{text-decoration:underline;}
  img{max-width:100%;display:block;border-radius:14px;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 20px;}

  /* header */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:linear-gradient(90deg,var(--deep) 0%,var(--deep-2) 100%);
    box-shadow:0 4px 18px rgba(31,41,55,.22);
  }
  .site-header .wrap{
    display:flex;align-items:center;justify-content:space-between;
    gap:18px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px;
  }
  .logo{
    display:flex;align-items:center;gap:10px;
    color:#fff;font-weight:700;font-size:18px;letter-spacing:.5px;
  }
  .logo span.dot{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:10px;
    background:linear-gradient(135deg,var(--orange),var(--orange-deep));
    font-size:18px;
  }
  .nav-links{display:flex;flex-wrap:wrap;gap:6px;}
  .nav-links a{
    color:#e5e7eb;font-size:15px;padding:7px 14px;border-radius:999px;
    transition:.2s;text-decoration:none;
  }
  .nav-links a:hover{background:rgba(249,115,22,.9);color:#fff;text-decoration:none;}
  .nav-links a:first-child{background:rgba(249,115,22,.9);color:#fff;}

  /* jump bar */
  .jump-bar{
    background:#fff;border-bottom:1px solid var(--line);
  }
  .jump-bar .wrap{
    display:flex;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;
  }
  .jump-bar a{
    white-space:nowrap;font-size:13px;color:var(--deep);
    background:var(--orange-soft);border:1px solid #ffe0c7;
    padding:5px 12px;border-radius:999px;text-decoration:none;
  }
  .jump-bar a:hover{background:var(--orange);color:#fff;text-decoration:none;}

  /* hero */
  #hero{
    background:
      radial-gradient(circle at 88% 10%, rgba(249,115,22,.45) 0%, rgba(249,115,22,0) 45%),
      linear-gradient(135deg,#f97316 0%,#b45309 42%,#374151 100%);
    color:#fff;padding:64px 0 58px;
  }
  #hero .hero-grid{
    display:grid;grid-template-columns:1.25fr .85fr;gap:38px;align-items:center;
  }
  #hero h1{
    font-size:30px;line-height:1.35;margin:0 0 16px;font-weight:800;letter-spacing:.3px;
    color:#fff;
  }
  #hero .hero-tag{
    display:inline-block;background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.35);
    padding:5px 14px;border-radius:999px;font-size:13px;margin-bottom:16px;
    letter-spacing:1px;
  }
  #hero p{color:#fdf3e8;margin:0 0 22px;font-size:16px;}
  .btn-row{display:flex;gap:12px;flex-wrap:wrap;}
  .btn{
    display:inline-block;padding:11px 24px;border-radius:999px;font-weight:700;font-size:15px;
    transition:.22s;text-decoration:none;
  }
  .btn-primary{background:#fff;color:var(--orange-deep);}
  .btn-primary:hover{background:#fff3e8;text-decoration:none;}
  .btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.6);}
  .btn-ghost:hover{background:rgba(255,255,255,.24);text-decoration:none;}

  /* sections */
  section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .section-head h2{
    font-size:24px;margin:0 0 10px;color:var(--deep-2);font-weight:800;
    padding-left:14px;border-left:6px solid var(--orange);line-height:1.3;
  }
  .section-head p{margin:0;color:var(--muted);font-size:15px;}

  .grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px;}
  .grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:22px;}
  .grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:20px;}

  .card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;
    box-shadow:0 8px 22px rgba(55,65,81,.06);
  }
  .quote-card{
    position:relative;overflow:hidden;
    border-left:5px solid var(--orange);
  }
  .quote-card::before{
    content:"“";
    position:absolute;top:-6px;right:16px;
    font-size:78px;line-height:1;
    color:rgba(249,115,22,.14);
    font-weight:700;
  }
  .quote-card h3{margin:0 0 12px;font-size:18px;color:var(--deep-2);position:relative;}
  .quote-card p{margin:0;color:#4b5563;font-size:15px;position:relative;}

  /* geo intro */
  #geo-intro{background:#fff;border-bottom:1px solid var(--line);}
  #geo-intro .geo-box{
    background:linear-gradient(180deg,#fff8f1 0%,#ffffff 100%);
    border:1px solid #ffe2cc;border-radius:18px;padding:30px;
  }
  #geo-intro p{margin:0 0 14px;font-size:16.5px;color:#414b57;}
  #geo-intro p:last-child{margin-bottom:0;}

  /* stats */
  #data-stats{
    background:linear-gradient(120deg,#374151 0%,#1f2937 100%);
    color:#fff;
  }
  #data-stats .section-head h2{color:#fff;border-left-color:var(--orange);}
  #data-stats .section-head p{color:#cbd5e1;}
  .stat-box{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.14);
    border-radius:16px;padding:24px;text-align:center;
  }
  .stat-box .num{
    font-size:34px;font-weight:800;color:#ffb877;line-height:1.2;display:block;
  }
  .stat-box .label{font-size:14px;color:#d1d5db;margin-top:6px;display:block;}

  /* advantages */
  .adv-card .icon{
    width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
    background:var(--orange-soft);font-size:22px;margin-bottom:14px;
  }
  .adv-card h3{margin:0 0 10px;font-size:18px;color:var(--deep-2);}
  .adv-card p{margin:0;color:#4b5563;font-size:15px;}

  /* brand story */
  #brand-story{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .story-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;}
  .story-text p{margin:0 0 14px;color:#414b57;font-size:16px;}

  /* timeline */
  .timeline{position:relative;padding-left:26px;}
  .timeline::before{
    content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;
    background:linear-gradient(180deg,var(--orange),#fcd34d);border-radius:3px;
  }
  .tl-item{position:relative;margin-bottom:24px;}
  .tl-item::before{
    content:"";position:absolute;left:-25px;top:8px;width:13px;height:13px;border-radius:50%;
    background:#fff;border:3px solid var(--orange);
  }
  .tl-item h3{margin:0 0 6px;font-size:17px;color:var(--deep-2);}
  .tl-item p{margin:0;color:#4b5563;font-size:15px;}

  /* events */
  .event-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
    box-shadow:0 8px 22px rgba(55,65,81,.06);
  }
  .event-card .meta{
    display:flex;justify-content:space-between;align-items:center;
    font-size:13px;color:var(--muted);margin-bottom:12px;
  }
  .badge{
    display:inline-block;background:var(--orange-soft);color:var(--orange-deep);
    font-size:12px;padding:3px 10px;border-radius:999px;font-weight:700;
  }
  .event-card h3{margin:0 0 10px;font-size:17px;color:var(--deep-2);}
  .event-card p{margin:0;font-size:15px;color:#4b5563;}

  /* news */
  #news-list{background:#fff;border-top:1px solid var(--line);}
  .news-card{
    background:var(--cream);border:1px solid var(--line);border-radius:16px;padding:22px;
    transition:.22s;
  }
  .news-card:hover{box-shadow:0 10px 26px rgba(249,115,22,.14);transform:translateY(-3px);}
  .news-date{
    display:inline-block;background:var(--orange);color:#fff;font-size:12px;
    padding:3px 10px;border-radius:6px;font-weight:700;margin-bottom:12px;
  }
  .news-card h3{margin:0 0 10px;font-size:17px;color:var(--deep-2);line-height:1.5;}
  .news-card p{margin:0;font-size:15px;color:#4b5563;}

  /* testimonials */
  #testimonials{background:linear-gradient(180deg,#fff8f1 0%,#fdfaf6 100%);}
  .review-card{background:#fff;border-radius:16px;padding:24px;border:1px solid #ffe2cc;position:relative;}
  .review-card::before{
    content:"“";position:absolute;top:-4px;left:18px;font-size:66px;line-height:1;
    color:rgba(249,115,22,.16);font-weight:700;
  }
  .review-card p{margin:14px 0 16px;font-size:15px;color:#4b5563;position:relative;}
  .review-card .who{font-size:14px;font-weight:700;color:var(--deep-2);}
  .stars{color:var(--orange);font-size:14px;letter-spacing:2px;}

  /* partners */
  .partner-box{
    background:#fff;border:1px dashed #e0d8cc;border-radius:14px;padding:20px;text-align:center;
    font-size:15px;color:var(--deep);font-weight:600;
  }

  /* cta */
  #cta{
    background:linear-gradient(120deg,#f97316 0%,#c2410c 55%,#374151 100%);
    color:#fff;text-align:center;
  }
  #cta h2{font-size:26px;margin:0 0 14px;color:#fff;}
  #cta p{margin:0 auto 26px;max-width:760px;color:#ffeadd;font-size:16px;}
  #cta .btn-primary{background:#fff;color:var(--orange-deep);}
  #cta .btn-ghost{border-color:#fff;}

  /* faq */
  .faq-item{
    background:#fff;border:1px solid var(--line);border-radius:14px;
    padding:22px;margin-bottom:16px;
  }
  .faq-item h3{
    margin:0 0 10px;font-size:17px;color:var(--deep-2);
    padding-left:16px;position:relative;
  }
  .faq-item h3::before{
    content:"Q";position:absolute;left:0;top:0;color:var(--orange);font-weight:900;
  }
  .faq-item p{margin:0;font-size:15px;color:#4b5563;padding-left:16px;}

  /* footer */
  .site-footer{
    background:linear-gradient(180deg,#374151 0%,#1f2937 100%);
    color:#cbd5e1;padding:46px 0 26px;font-size:14.5px;
  }
  .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px;margin-bottom:28px;}
  .site-footer h4{color:#fff;font-size:16px;margin:0 0 12px;}
  .site-footer p{margin:0 0 8px;line-height:1.8;}
  .site-footer a{color:#ffb877;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.14);padding-top:18px;
    display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;
  }

  @media (max-width:900px){
    #hero .hero-grid{grid-template-columns:1fr;}
    .story-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    #hero h1{font-size:24px;}
  }