:root{
    --brand:#c8102e;
    --brand-dark:#8a0b1f;
    --brand-light:#ff3855;
    --gold:#e8c15a;
    --gold2:#f4d98a;
    --ink:#1a1f36;
    --muted:#5b6478;
    --bg:#f6f8fb;
    --line:#e6eaf0;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;overflow-x:hidden;}
  a{text-decoration:none;color:inherit;}
  img{max-width:100%;}
  .wrap{max-width:1200px;margin:0 auto;padding:14px;}
  .btn{display:inline-block;padding:13px 30px;border-radius:6px;font-weight:600;cursor:pointer;border:none;transition:.25s;}
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,16,46,.3);}
  .btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
  .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);}

  /* ---------- 滚动入场动画 ---------- */
  .reveal{opacity:0;transform:translateY(36px);transition:.7s cubic-bezier(.16,1,.3,1);}
  .reveal.in{opacity:1;transform:none;}

  /* ---------- HEADER ---------- */
  header{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50;transition:box-shadow .3s;}
  header.scrolled{box-shadow:0 6px 30px rgba(0,0,0,.15);}
  .nav{display:flex;align-items:center;justify-content:space-between;height:70px;}
  .logo{font-size:24px;font-weight:800;letter-spacing:1px;}
  .logo span{color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.5px;}
  .nav-cta{background:var(--brand);color:#fff;padding:9px 20px;border-radius:5px;font-weight:600;white-space:nowrap;transition:.25s;}
  .nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px);}

  .menu{font-size:15px;}
  .nav-list{display:flex;gap:28px;list-style:none;}
  .nav-list > li{position:relative;}                         /* 显式定位上下文，下拉以 li 为基准 */
  .nav-list > li > a{opacity:.85;padding:8px 0;display:inline-flex;align-items:center;gap:4px;transition:.2s;}
  .nav-list > li > a:hover{opacity:1;color:var(--gold);}
  .arrow{font-size:11px;opacity:.7;transition:transform .2s;}
  .has-sub:hover .arrow{transform:rotate(180deg);}

  /* PC 端二级下拉：左对齐于父级 li，避免居中导致的左右溢出错位 */
  .submenu{position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%) translateY(8px);
    min-width:190px;background:#fff;color:var(--ink);border-radius:10px;padding:10px 0;
    box-shadow:0 14px 36px rgba(0,0,0,.18);list-style:none;border:1px solid rgba(0,0,0,.04);
    opacity:0;visibility:hidden;transition:.2s;pointer-events:none;}
  .submenu::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px;}   /* 填补间隙，鼠标移动不掉出 */
  .has-sub:hover .submenu,
  .has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);pointer-events:auto;}
  .submenu li a{display:block;padding:10px 20px;font-size:14px;color:var(--ink);transition:.15s;white-space:nowrap;}
  .submenu li a:hover{background:rgba(200,16,46,.06);color:var(--brand);}

  .hamburger{display:none;flex-direction:column;justify-content:space-between;width:26px;height:19px;
    background:none;border:none;cursor:pointer;padding:0;}
  .hamburger span{display:block;width:100%;height:2px;background:#fff;border-radius:2px;transition:.25s;}
  .hamburger.active span:nth-child(1){transform:translateY(8.5px) rotate(45deg);}
  .hamburger.active span:nth-child(2){opacity:0;}
  .hamburger.active span:nth-child(3){transform:translateY(-8.5px) rotate(-45deg);}

  .mobile-menu{position:absolute;left:0;right:0;top:70px;background:var(--ink);
    max-height:0;overflow:hidden;transition:max-height .35s ease;box-shadow:0 12px 30px rgba(0,0,0,.2);}
  .mobile-menu.open{max-height:520px;overflow:auto;}
  .mobile-menu > ul{list-style:none;padding:8px 0 14px;}
  .mobile-menu > ul > li > a{display:flex;justify-content:space-between;align-items:center;
    padding:15px 24px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);color:#e3e7f1;}
  .mobile-menu > ul > li > a:hover{color:var(--gold);}
  .m-submenu{max-height:0;overflow:hidden;transition:max-height .3s ease;background:rgba(255,255,255,.04);}
  .m-submenu.open{max-height:300px;}
  .m-submenu li a{display:block;padding:12px 44px;font-size:14px;color:#c2c9da !important;border-bottom:none !important;}
  .m-submenu li a:hover{color:var(--gold) !important;}
  .m-cta{color:var(--gold) !important;font-weight:600;}

  /* ---------- HERO ---------- */
  .hero{background:linear-gradient(135deg,#141933 0%,#1f2b52 55%,var(--brand-dark) 100%);color:#fff;padding:90px 0 100px;overflow:hidden;position:relative;}
  .hero::after{content:"";position:absolute;right:-60px;top:-60px;width:420px;height:420px;background:radial-gradient(circle,rgba(232,193,90,.25),transparent 70%);animation:pulse 6s ease-in-out infinite;}
  @keyframes pulse{0%,100%{transform:scale(1);opacity:.8;}50%{transform:scale(1.15);opacity:1;}}
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center;position:relative;z-index:2;}
  .hero h1{font-size:44px;line-height:1.25;font-weight:800;margin-bottom:18px;}
  .hero h1 em{font-style:normal;color:var(--gold);}
  .hero p.lead{font-size:18px;color:#d7dceb;margin-bottom:32px;max-width:560px;}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
  .hero-tags{margin-top:34px;display:flex;gap:22px;flex-wrap:wrap;font-size:14px;color:#aeb8d0;}
  .hero-tags b{color:#fff;font-size:22px;display:block;}
  .hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(10px);border-radius:14px;padding:30px;}
  .hero-card h3{font-size:19px;margin-bottom:18px;color:var(--gold);}
  .step{display:flex;gap:12px;margin-bottom:16px;}
  .step .num{width:28px;height:28px;flex:none;border-radius:50%;background:var(--brand);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;}
  .step p{font-size:14px;color:#e3e7f1;}
  .step small{color:#9aa4be;font-size:12px;}

  /* ---------- 数字统计 ---------- */
  .stats{background:var(--brand);color:#fff;padding:44px 0;}
  .stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
  .stat .num{font-size:40px;font-weight:800;color:var(--gold);line-height:1;}
  .stat .num small{font-size:20px;}
  .stat p{margin-top:10px;font-size:14px;opacity:.92;}

  /* ---------- SECTION ---------- */
  section{padding:78px 0;}
  .sec-head{text-align:center;margin-bottom:52px;}
  .sec-head .tag{color:var(--brand);font-weight:700;letter-spacing:2px;font-size:14px;}
  .sec-head h2{font-size:32px;margin:10px 0 12px;}
  .sec-head p{color:var(--muted);font-size:16px;max-width:620px;margin:0 auto;}

  /* ---------- 配资服务 TABS ---------- */
  .tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:36px;}
  .tab-btn{padding:12px 26px;border-radius:30px;border:1px solid var(--line);background:#fff;color:var(--ink);
    font-size:15px;font-weight:600;cursor:pointer;transition:.25s;}
  .tab-btn:hover{border-color:var(--brand);color:var(--brand);}
  .tab-btn.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 20px rgba(200,16,46,.25);}
  .tab-panel{display:none;animation:fade .4s ease;}
  .tab-panel.active{display:block;}
  @keyframes fade{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}

  /* 服务一览表 */
  .svc-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 8px 30px rgba(26,31,54,.06);}
  .svc-table th{background:var(--ink);color:#fff;padding:16px 18px;text-align:left;font-size:14px;font-weight:600;}
  .svc-table td{padding:15px 18px;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink);}
  .svc-table tr:last-child td{border-bottom:none;}
  .svc-table tbody tr{transition:.2s;}
  .svc-table tbody tr:hover{background:rgba(200,16,46,.04);}
  .badge{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;font-weight:600;}
  .badge-hot{background:#ffe2e6;color:var(--brand);}
  .badge-new{background:#e6f7ee;color:#138a4e;}
  .badge-pro{background:#fff4d9;color:#a5760a;}

  /* 项目大纲卡片 */
  .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
  .plan{background:#fff;border-radius:14px;padding:0;overflow:hidden;border:1px solid var(--line);transition:.3s;position:relative;}
  .plan:hover{transform:translateY(-8px);box-shadow:0 22px 48px rgba(26,31,54,.12);}
  .plan-head{padding:28px 26px;color:#fff;background:linear-gradient(135deg,#1f2b52,var(--brand));position:relative;overflow:hidden;}
  .plan-head::after{content:"";position:absolute;right:-20px;top:-20px;width:110px;height:110px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%);}
  .plan-head .lev{font-size:13px;opacity:.9;}
  .plan-head h3{font-size:22px;margin:6px 0 10px;}
  .plan-head .price{font-size:15px;}
  .plan-head .price b{font-size:26px;color:var(--gold);}
  .plan-body{padding:22px 26px 26px;}
  .plan-body ul{list-style:none;}
  .plan-body li{padding:8px 0;font-size:14px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
  .plan-body li::before{content:"✓";color:var(--brand);font-weight:800;flex:none;}
  .plan-body .btn{width:100%;text-align:center;margin-top:8px;}

  /* pillars */
  .pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
  .pillar{background:#fff;border-radius:12px;padding:34px 28px;border:1px solid var(--line);transition:.3s;}
  .pillar:hover{transform:translateY(-6px) rotateX(2deg);box-shadow:0 20px 44px rgba(26,31,54,.1);}
  .pillar .ic{width:54px;height:54px;border-radius:12px;background:rgba(200,16,46,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:18px;transition:.3s;}
  .pillar:hover .ic{background:var(--brand);color:#fff;transform:scale(1.08);}
  .pillar h3{font-size:19px;margin-bottom:10px;}
  .pillar p{color:var(--muted);font-size:14.5px;}

  .markets{background:#fff;}
  .market-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .market{border:1px solid var(--line);border-radius:12px;padding:26px 20px;text-align:center;transition:.3s;cursor:default;}
  .market:hover{border-color:var(--brand);transform:translateY(-5px);box-shadow:0 14px 34px rgba(26,31,54,.08);}
  .market .flag{font-size:30px;}
  .market h4{margin:10px 0 6px;}
  .market p{font-size:13px;color:var(--muted);}

  .why-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  .why{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;transition:.25s;}
  .why:hover{box-shadow:0 12px 30px rgba(26,31,54,.08);transform:translateX(4px);}
  .why .ic{font-size:26px;color:var(--brand);flex:none;}
  .why h4{font-size:17px;margin-bottom:6px;}
  .why p{font-size:14px;color:var(--muted);}

  /* ---------- 合作机构 / 信任条 ---------- */
  .trust{background:#fff;border-top:1px solid var(--line);}
  .trust-row{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;align-items:center;}
  .trust-item{height:64px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;
    font-size:13px;font-weight:600;color:var(--muted);transition:.3s;filter:grayscale(.6);}
  .trust-item:hover{filter:grayscale(0);border-color:var(--brand);color:var(--brand);transform:scale(1.05);}

  /* articles */
  .articles{background:#fff;border-top:1px solid var(--line);}
  .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:.3s;}
  .card:hover{box-shadow:0 16px 38px rgba(26,31,54,.1);transform:translateY(-6px);}
  .card .thumb{height:170px;background:linear-gradient(135deg,#1f2b52,#c8102e);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;padding:20px;text-align:center;position:relative;overflow:hidden;}
  .card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.18) 50%,transparent 70%);transform:translateX(-100%);transition:.8s;}
  .card:hover .thumb::after{transform:translateX(100%);}
  .card .body{padding:20px;}
  .card .cat{color:var(--brand);font-size:13px;font-weight:600;}
  .card h4{font-size:17px;margin:8px 0 10px;line-height:1.45;}
  .card .meta{font-size:12px;color:#a3aab8;display:flex;justify-content:space-between;}

  /* ---------- FAQ 手风琴 ---------- */
  .faq-list{max-width:840px;margin:0 auto;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden;transition:.25s;}
  .faq-item.open{border-color:var(--brand);box-shadow:0 8px 24px rgba(200,16,46,.08);}
  .faq-q{width:100%;text-align:left;padding:18px 22px;background:none;border:none;font-size:16px;font-weight:600;cursor:pointer;
    display:flex;justify-content:space-between;align-items:center;color:var(--ink);}
  .faq-q .plus{font-size:22px;color:var(--brand);transition:transform .3s;flex:none;margin-left:14px;}
  .faq-item.open .faq-q .plus{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px;}
  .faq-item.open .faq-a{max-height:300px;padding:0 22px 20px;}
  .faq-a p{font-size:14px;color:var(--muted);}

  /* CTA */
  .cta{background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;text-align:center;border-radius:16px;padding:60px 30px;margin:0 24px;position:relative;overflow:hidden;}
  .cta::before{content:"";position:absolute;left:-60px;bottom:-60px;width:280px;height:280px;background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%);}
  .cta h2{font-size:30px;margin-bottom:12px;position:relative;}
  .cta p{color:#fddde2;font-size:16px;margin-bottom:28px;position:relative;}

  footer{background:var(--ink);color:#c2c9da;padding:60px 0 0;}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
  .foot-grid h5{color:#fff;font-size:15px;margin-bottom:16px;}
  .foot-grid ul{list-style:none;}
  .foot-grid li{margin-bottom:10px;font-size:14px;}
  .foot-grid li a:hover{color:var(--gold);}
  .foot-brand p{font-size:13.5px;color:#9aa4be;margin-top:12px;max-width:320px;}
  .copyright{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;text-align:center;font-size:13px;color:#7c869f;}

  .risk{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:20px;margin:0 0 30px;font-size:13px;color:#b9c2d6;}
  .risk b{color:var(--gold);}
  .risk strong{color:#ff8b9a;}

  @media(max-width:860px){
    .hero-grid,.why-grid{grid-template-columns:1fr;}
    .pillars,.article-grid,.market-row,.plan-grid{grid-template-columns:1fr 1fr;}
    .stat-row{grid-template-columns:1fr 1fr;}
    .trust-row{grid-template-columns:1fr 1fr;}
    .hero h1{font-size:34px;}
    .foot-grid{grid-template-columns:1fr 1fr;}
    .svc-table{font-size:13px;}
    .menu{display:none;}
    .nav-cta{display:none;}
    .hamburger{display:flex;}
  }
  @media(max-width:520px){
    .pillars,.article-grid,.market-row,.foot-grid,.plan-grid{grid-template-columns:1fr;}
    .stat-row,.trust-row{grid-template-columns:1fr 1fr;}
    .svc-table .hide-sm{display:none;}
  }
  /* ---------- 公司介绍 ABOUT ---------- */
  .about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
  .about-text h2{font-size:32px;line-height:1.3;margin:10px 0 16px;}
  .about-text .lead2{font-size:16px;color:var(--muted);margin-bottom:24px;line-height:1.8;}
  .about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
  .about-tags span{display:inline-block;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;background:rgba(200,16,46,.06);color:var(--brand);}
  .about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;}
  .about-stats .as .an{font-size:30px;font-weight:800;color:var(--brand);line-height:1;}
  .about-stats .as .an small{font-size:15px;}
  .about-stats .as p{font-size:13px;color:var(--muted);margin-top:6px;}

  .about-visual{position:relative;border-radius:16px;overflow:hidden;min-height:380px;
    background:linear-gradient(135deg,#1a1f36,#2a3a6a 50%,var(--brand-dark));display:flex;align-items:center;justify-content:center;}
  .about-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(232,193,90,.3),transparent 60%);}
  .av-inner{position:relative;z-index:2;text-align:center;color:#fff;padding:40px;}
  .av-inner .av-logo{font-size:48px;font-weight:800;letter-spacing:2px;}
  .av-inner .av-logo span{color:var(--gold);font-size:18px;display:block;letter-spacing:4px;margin-top:6px;}
  .av-inner .av-line{width:60px;height:3px;background:var(--gold);margin:20px auto;}
  .av-inner .av-desc{font-size:14px;color:#d7dceb;line-height:1.8;max-width:280px;margin:0 auto;}

  /* 发展历程 */
  .timeline{position:relative;padding:10px 0;}
  .timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--line);transform:translateX(-50%);}
  .tl-item{display:flex;align-items:center;margin-bottom:32px;position:relative;}
  .tl-item:nth-child(odd){flex-direction:row-reverse;}
  .tl-dot{width:18px;height:18px;border-radius:50%;background:var(--brand);border:3px solid #fff;box-shadow:0 0 0 3px rgba(200,16,46,.2);flex:none;z-index:2;position:absolute;left:50%;transform:translateX(-50%);}
  .tl-card{flex:1;max-width:42%;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px;transition:.3s;}
  .tl-card:hover{box-shadow:0 14px 34px rgba(26,31,54,.09);transform:translateY(-4px);border-color:rgba(200,16,46,.25);}
  .tl-year{font-size:22px;font-weight:800;color:var(--brand);line-height:1;}
  .tl-card h4{font-size:15px;margin:8px 0 6px;}
  .tl-card p{font-size:13px;color:var(--muted);line-height:1.6;}

  /* 核心团队 */
  .team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .member{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 20px;text-align:center;transition:.3s;}
  .member:hover{transform:translateY(-8px);box-shadow:0 20px 44px rgba(26,31,54,.1);}
  .member .avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#fff;
    background:linear-gradient(135deg,#1f2b52,var(--brand));}
  .member h4{font-size:16px;margin-bottom:4px;}
  .member .role{font-size:13px;color:var(--brand);font-weight:600;margin-bottom:8px;}
  .member p{font-size:12.5px;color:var(--muted);line-height:1.6;}

  /* 资质荣誉 */
  .honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  .honor{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 20px;text-align:center;transition:.3s;}
  .honor:hover{transform:translateY(-6px);box-shadow:0 16px 38px rgba(26,31,54,.09);border-color:rgba(200,16,46,.25);}
  .honor .ic{font-size:36px;margin-bottom:12px;}
  .honor h4{font-size:15px;margin-bottom:6px;}
  .honor p{font-size:12.5px;color:var(--muted);}

  @media(max-width:860px){
    .about-wrap{grid-template-columns:1fr;}
    .team-grid,.honor-grid{grid-template-columns:1fr 1fr;}
    .timeline::before{left:14px;}
    .tl-item,.tl-item:nth-child(odd){flex-direction:row;}
    .tl-dot{left:14px;}
    .tl-card{max-width:80%;margin-left:auto;}
  }
  @media(max-width:520px){
    .team-grid,.honor-grid{grid-template-columns:1fr;}
    .about-stats{grid-template-columns:1fr 1fr;}
  }

  .kw{display:inline-block;padding:7px 16px;border:1px solid var(--line);border-radius:20px;font-size:13.5px;color:var(--muted);background:#fafbfd;transition:.25s;}
  .kw:hover{border-color:var(--brand);color:var(--brand);background:#fff;transform:translateY(-2px);}
  .kw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .kw-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 26px;transition:.3s;}
  .kw-card:hover{box-shadow:0 14px 34px rgba(26,31,54,.09);transform:translateY(-5px);border-color:rgba(200,16,46,.25);}
  .kw-card h3{font-size:16px;line-height:1.5;margin-bottom:10px;color:var(--ink);}
  .kw-card p{font-size:13.5px;color:var(--muted);line-height:1.7;}
  @media(max-width:860px){.kw-grid{grid-template-columns:1fr 1fr;}}
  @media(max-width:520px){.kw-grid{grid-template-columns:1fr;}}