:root{
    --teal:#00D1B2; --teal-dark:#00A68C; --teal-deep:#0B7A70; --teal-light:#E6FAF7;
    --ink:#1c2733; --muted:#5c6b7a; --bg:#F9FAFB; --line:#e6e9ee;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.7;background:#fff;}

/* 抵消 Bootstrap 3 默认排版间距，保持页内原有布局 */
.hero h1,.hero h2,.hero h3,.hero h4,.hero p,.hero ul,
.section h1,.section h2,.section h3,.section h4,.section p,.section ul{margin:0;}

/* ===== 通用 ===== */
.wrap{max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
#scene{max-width:1920px;margin:0 auto;}
.kicker{font-size:12px;letter-spacing:4px;color:var(--teal-dark);font-weight:700;margin-bottom:14px;text-transform:uppercase;}
.section .hy-h2{font-size:30px;font-weight:800;margin-bottom:14px;letter-spacing:.5px;}
.sub{font-size:15px;color:var(--muted);max-width:640px;}

/* ===== Hero ===== */
.hero{background:linear-gradient(170deg,#e6faf6 0%,#eef9fb 55%,#ffffff 100%);border-bottom:1px solid var(--line);max-width:1920px;margin:0 auto;}
.hero-inner{max-width:1280px;margin:0 auto;padding:64px 24px 0;}
.hero-top{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;padding-bottom:56px;}
.crumb{font-size:13px;color:var(--muted);letter-spacing:1px;margin-bottom:22px;}
.crumb b{color:var(--teal-deep);font-weight:600;}
.hero h1{font-size:42px;font-weight:800;line-height:1.35;letter-spacing:1px;}
.hero h1 em{font-style:normal;color:var(--teal-dark);}
.hero .lead{font-size:16px;font-weight:400;color:var(--muted);margin:22px 0 34px;max-width:560px;}
.hy-btn{display:inline-block;padding:13px 38px;border-radius:30px;font-size:15px;font-weight:600;text-decoration:none;transition:.25s;cursor:pointer;}
.hy-btn-ghost{background:#fff;color:var(--teal-deep);border:1px solid #9fe8dd;}
.hy-btn-ghost:hover{border-color:var(--teal);}
/* Hero 右侧：合规关键词墙 */
.hero-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 10px 40px rgba(14,80,88,.08);}
.hero-panel h4{font-size:13px;letter-spacing:3px;color:var(--teal-deep);margin-bottom:18px;font-weight:600;}
.kw{display:flex;flex-wrap:wrap;gap:10px;}
.kw span{font-size:12px;color:var(--teal-deep);background:var(--teal-light);border-radius:20px;padding:6px 14px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);}
.hero-stats .item{padding:26px 24px;border-right:1px solid var(--line);}
.hero-stats .item:last-child{border-right:none;}
.hero-stats .num{font-size:30px;font-weight:800;color:var(--teal-dark);}
.hero-stats .lb{font-size:13px;color:var(--muted);margin-top:4px;}
.hero-note{font-size:11px;color:#9db4bb;padding:14px 24px 22px;}

/* ===== 挑战：编号卡片 ===== */
.pain-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px;}
.pain-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 26px;transition:.25s;}
.pain-item:hover{transform:translateY(-3px);border-color:#9fe8dd;box-shadow:0 10px 28px rgba(14,80,88,.1);}
.pain-item .idx{font-size:26px;font-weight:800;color:var(--teal);font-family:Georgia,serif;}
.pain-item h3{font-size:17px;font-weight:700;margin:10px 0 8px;}
.pain-item p{font-size:14px;color:var(--muted);}

/* ===== 场景：业务场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px;}
.scene{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;transition:.25s;}
.scene:hover{transform:translateY(-3px);border-color:#9fe8dd;box-shadow:0 10px 28px rgba(14,80,88,.1);}
.scene .no{font-size:13px;font-weight:800;color:var(--teal-dark);letter-spacing:2px;font-family:Georgia,serif;}
.scene h3{font-size:17px;font-weight:700;margin:12px 0 6px;}
.scene .en{font-size:11px;color:#9aa7b4;letter-spacing:1px;text-transform:uppercase;margin-bottom:14px;}
.scene p{font-size:13px;color:var(--muted);}
.scene ul{list-style:none;margin-top:14px;}
.scene li{font-size:13px;color:#41505f;padding:5px 0 5px 24px;position:relative;}
.scene li::before{content:"✔";position:absolute;left:0;color:var(--teal);font-weight:700;}

/* ===== 平台能力 ===== */
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px;}
.cap{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 26px;transition:.25s;}
.cap:hover{transform:translateY(-3px);border-color:#9fe8dd;box-shadow:0 10px 28px rgba(14,80,88,.1);}
.cap .ic{width:46px;height:46px;border-radius:12px;background:var(--teal-light);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;}
.cap h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.cap p{font-size:13px;color:var(--muted);}

/* ===== 安全 ===== */
.sec-band{background:linear-gradient(140deg,#0B7A70,#00A68C 55%,#00D1B2);border-radius:18px;padding:52px 48px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.sec-band h2{font-size:26px;font-weight:800;margin-bottom:14px;}
.sec-band p{font-size:14px;opacity:.88;}
.sec-list{list-style:none;}
.sec-list li{padding:12px 0 12px 32px;position:relative;font-size:14px;border-bottom:1px dashed rgba(255,255,255,.2);}
.sec-list li:last-child{border-bottom:none;}
.sec-list li::before{content:"◆";position:absolute;left:2px;top:15px;color:#B2F5EA;font-size:10px;}

/* ===== CTA ===== */
.cta{background:#fff;border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:12px;padding:44px 48px;display:flex;justify-content:space-between;align-items:center;gap:32px;box-shadow:0 8px 30px rgba(14,80,88,.08);}
.cta h2{font-size:24px;font-weight:800;}
.cta p{font-size:14px;color:var(--muted);margin-top:6px;}
.hy-btn-cta{background:linear-gradient(90deg,#00A68C,#00D1B2);color:#fff;border-radius:30px;}

@media(max-width:900px){
    .hero-top,.sec-band{grid-template-columns:1fr;}
    .hero-stats{grid-template-columns:repeat(2,1fr);}
    .pain-list,.scene-grid,.cap-grid{grid-template-columns:1fr;}
    .cta{flex-direction:column;align-items:flex-start;}
    .hero h1{font-size:30px;}
}