:root{--ink:#111827;--sub:#6B7280;--line:#ECECEC;--bg:#FFFFFF;--amber:#F97316;--amber2:#FBBF24;--navy:#0F172A;--blue:#2563EB}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15.5px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid #F0F0F0}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18.5px;letter-spacing:.5px}
.logo .en{font-size:10px;color:#9CA3AF;letter-spacing:2.5px;font-weight:600;display:block;line-height:1.2}
nav.main{display:flex;gap:30px;font-size:14.5px;font-weight:500;color:var(--sub)}
nav.main a{transition:color .15s}
nav.main a:hover{color:var(--ink)}
nav.main a.cta{background:var(--ink);color:#fff;padding:9px 20px;border-radius:10px;font-weight:600}
nav.main a.cta:hover{background:#1F2937}

/* ---------- Hero：白底 + 柔光 ---------- */
.hero{position:relative;overflow:hidden;background:#fff;padding:100px 0 104px}
.hero::before{content:"";position:absolute;left:50%;top:-320px;transform:translateX(-50%);width:1100px;height:640px;border-radius:50%;background:radial-gradient(ellipse at center,rgba(249,115,22,.10),rgba(251,191,36,.05) 45%,transparent 70%)}
.hero::after{content:"";position:absolute;right:-160px;bottom:-260px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.06),transparent 65%)}
.hero .wrap{position:relative;z-index:1}
.hero .kicker{display:inline-flex;align-items:center;gap:8px;background:#FFF4E8;color:#C2410C;border:1px solid #FED7AA;padding:6px 16px;border-radius:99px;font-size:13px;font-weight:600;letter-spacing:1px}
.hero .kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:#F97316}
.hero h1{font-size:52px;line-height:1.22;margin:26px 0 20px;font-weight:800;letter-spacing:-1px;color:#111827}
.hero h1 em{font-style:normal;color:#F97316}
.hero p.lead{font-size:18px;color:#6B7280;max-width:620px;line-height:1.85}
.hero .btns{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 32px;border-radius:12px;font-weight:600;font-size:15.5px;transition:.18s}
.btn.amber{background:#F97316;color:#fff;box-shadow:0 1px 2px rgba(0,0,0,.06),0 8px 24px rgba(249,115,22,.28)}
.btn.amber:hover{background:#EA580C;transform:translateY(-1px);box-shadow:0 10px 28px rgba(249,115,22,.36)}
.btn.ghost{border:1px solid #E5E7EB;color:#374151;background:#fff}
.btn.ghost:hover{border-color:#D1D5DB;background:#F9FAFB;transform:translateY(-1px)}

/* ---------- 数据条：白卡描边 ---------- */
.stats{padding:8px 0 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.stats>div{background:#fff;border:1px solid #F0F0F0;border-radius:16px;padding:26px 12px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.stats b{font-size:30px;color:#111827;display:block;font-weight:800;letter-spacing:-.5px}
.stats span{font-size:13px;color:#9CA3AF;font-weight:500;margin-top:2px;display:block}

section{padding:88px 0}
.sec-head{max-width:560px;margin-bottom:52px}
.sec-head .no{font-size:12px;letter-spacing:3px;color:#F97316;font-weight:700}
.sec-head h2{font-size:32px;margin:10px 0 12px;font-weight:800;letter-spacing:-.5px;line-height:1.35}
.sec-head p{color:var(--sub);font-size:15.5px}

/* ---------- 卡片 ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.line-card{background:#fff;border:1px solid #EFEFEF;border-radius:18px;padding:32px 28px;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.line-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.09);border-color:#E5E5E5}
.line-card .ic{width:50px;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px;background:#FFF4E8}
.line-card h3{font-size:18.5px;margin-bottom:10px;font-weight:700}
.line-card p{font-size:14px;color:var(--sub);min-height:92px;line-height:1.8}
.line-card .price{font-size:13.5px;font-weight:600;color:#C2410C;margin-top:16px;padding-top:16px;border-top:1px solid #F3F4F6}

/* ---------- 模板卡 ---------- */
.tpl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tpl{background:#fff;border:1px solid #EFEFEF;border-radius:16px;overflow:hidden;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.tpl:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.1)}
.tpl .th{height:100px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16.5px;letter-spacing:2px}
.tpl .bd{padding:15px 18px}
.tpl .bd b{font-size:15px;font-weight:700}
.tpl .bd span{display:block;font-size:12.5px;color:#9CA3AF;margin-top:3px}

/* ---------- 五步流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;text-align:center}
.flow .st{background:#fff;border:1px solid #EFEFEF;border-radius:16px;padding:26px 12px;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.flow .st:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.08)}
.flow .st i{font-style:normal;width:38px;height:38px;border-radius:50%;background:#111827;color:#fff;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px;font-size:15px}
.flow .st b{display:block;font-size:14.5px;font-weight:700}
.flow .st span{font-size:12px;color:#9CA3AF}

/* ---------- CTA：深色对比块 ---------- */
.cta-band{background:#0F172A;color:#fff;border-radius:24px;padding:56px 48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(249,115,22,.22),transparent 68%)}
.cta-band h3{font-size:24px;font-weight:700;letter-spacing:-.3px}
.cta-band p{color:#94A3B8;font-size:14.5px;margin-top:8px}
.cta-band .btn{position:relative;z-index:1}
.btn.onDark{background:#F97316;color:#fff}
.btn.onDark:hover{background:#FB923C;transform:translateY(-1px)}

footer{background:#0F172A;color:#94A3B8;padding:52px 0 32px;font-size:13.5px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
footer h4{color:#E2E8F0;font-size:14.5px;margin-bottom:12px;font-weight:600}
footer a{display:block;padding:3px 0;transition:color .15s}
footer a:hover{color:#FDBA74}
footer .bt{border-top:1px solid rgba(255,255,255,.1);margin-top:30px;padding-top:20px;text-align:center;font-size:12px;color:#64748B}
@media(max-width:860px){.grid3,.tpl-grid{grid-template-columns:1fr}.flow{grid-template-columns:repeat(2,1fr)}.stats .wrap{grid-template-columns:repeat(2,1fr)}nav.main{display:none}.hero h1{font-size:34px}footer .cols{grid-template-columns:1fr}}