:root{
  --bg:#0b1020; --bg2:#070a15; --ink:#fff; --sub:#b9c6e6; --mut:#8fa2c8;
  --blue:#6ea8ff; --gold:#ffd166; --ok:#4ade80; --line:#263a6b;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:900px;margin:0 auto;padding:0 22px}

/* ---------- 顶栏 ---------- */
header{position:sticky;top:0;z-index:20;background:rgba(11,16,32,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.07)}
.hd{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;font-size:19px;letter-spacing:.5px}
.logo span{color:var(--gold)}
nav a{font-size:15px;color:var(--mut);margin-left:20px;padding:6px 2px}
nav a.on{color:var(--gold);border-bottom:2px solid var(--gold)}

/* ---------- Hero ---------- */
.hero{padding:64px 0 46px;text-align:center;
  background:radial-gradient(120% 120% at 50% 0%,#1b2a5e 0%,var(--bg) 58%,var(--bg2) 100%)}
.tagline{display:inline-block;font-size:14px;letter-spacing:3px;color:var(--blue);
  border:1px solid #2f4a86;border-radius:20px;padding:5px 16px;margin-bottom:20px}
h1{font-size:40px;line-height:1.25;margin:0 0 16px;font-weight:800;letter-spacing:.5px}
h1 em{font-style:normal;color:var(--gold)}
.hero p{font-size:18px;color:var(--sub);margin:0 auto;max-width:640px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-block;padding:14px 30px;border-radius:30px;font-size:17px;font-weight:700;
  background:var(--gold);color:#20160a}
.btn.ghost{background:transparent;color:var(--sub);border:1px solid var(--line)}
.hero-note{margin-top:16px;font-size:14px;color:var(--mut)}

/* ---------- 联系方式 ---------- */
.contact{margin-top:26px}
.contact-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.contact-chip{display:inline-flex;align-items:center;gap:9px;padding:12px 20px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--fg);
  font-size:16px;font-weight:700;letter-spacing:.3px}
.contact-chip:hover{border-color:var(--gold);background:rgba(212,175,55,.10)}
.contact-chip small{font-weight:500;font-size:12px;color:var(--mut);letter-spacing:0}
.contact-chip.tel{font-size:20px;letter-spacing:1px}
.contact-note{margin-top:14px;font-size:13px;color:var(--mut)}

/* ---------- 区块 ---------- */
section{padding:56px 0}
.alt{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
h2{font-size:30px;margin:0 0 6px;font-weight:800}
.kick{font-size:15px;letter-spacing:2px;color:var(--blue);margin-bottom:10px}
.sec-lead{color:var(--sub);font-size:17px;margin:0 0 28px}

/* 痛点 */
.pain{display:flex;flex-direction:column;gap:12px}
.pain .it{display:flex;gap:14px;align-items:flex-start;background:rgba(255,107,107,.07);
  border:1px solid rgba(255,107,107,.22);border-radius:14px;padding:16px 18px}
.pain .ic{font-size:22px;flex:0 0 auto}
.pain b{color:#ffb3b3}

/* 功能卡 */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{border:1px solid var(--line);border-radius:16px;padding:22px;background:rgba(255,255,255,.04)}
.card h3{font-size:20px;margin:0 0 8px}
.card h3 .n{color:var(--gold);font-weight:800;margin-right:8px}
.card p{margin:0;font-size:16px;color:var(--sub)}
.card.hi{border-color:var(--gold);background:rgba(255,209,102,.07)}

/* 一天的场景 */
.steps{display:flex;flex-direction:column;gap:0;margin-top:8px}
.step{display:flex;gap:18px;position:relative;padding:18px 0}
.step .t{flex:0 0 88px;font-size:15px;color:var(--gold);font-weight:700;padding-top:2px}
.step .c h4{margin:0 0 4px;font-size:18px}
.step .c p{margin:0;font-size:16px;color:var(--sub)}
.step::after{content:"";position:absolute;left:28px;top:52px;bottom:-8px;width:1px;background:var(--line)}
.step:last-child::after{display:none}

/* 对比表 */
table{width:100%;border-collapse:collapse;font-size:16px;margin-top:6px}
th,td{padding:13px 12px;border-bottom:1px solid rgba(255,255,255,.09);text-align:left}
th{color:var(--mut);font-weight:600;font-size:15px}
td.us{color:var(--gold);font-weight:700}
.yes{color:var(--ok);font-weight:700}

/* 价格 */
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.plan{border:1px solid var(--line);border-radius:16px;padding:24px;text-align:center;background:rgba(255,255,255,.04)}
.plan.best{border-color:var(--gold);background:rgba(255,209,102,.08)}
.plan .nm{font-size:17px;color:var(--mut)}
.plan .p{font-size:38px;font-weight:800;color:var(--gold);margin:6px 0}
.plan .p small{font-size:16px;color:var(--sub);font-weight:600}
.plan ul{list-style:none;padding:0;margin:14px 0 0;font-size:15px;color:var(--sub);text-align:left}
.plan ul li{padding:5px 0 5px 20px;position:relative}
.plan ul li::before{content:"✓";position:absolute;left:0;color:var(--ok)}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:12px;background:rgba(255,255,255,.03)}
.faq summary{cursor:pointer;font-size:17px;font-weight:700}
.faq p{margin:12px 0 0;font-size:16px;color:var(--sub)}

/* 图 */
figure{margin:22px 0 0}
figcaption{font-size:14px;color:var(--mut);margin-top:8px;text-align:center}

/* 结尾 CTA */
.final{text-align:center;padding:64px 0 72px;
  background:radial-gradient(100% 120% at 50% 100%,#1b2a5e 0%,var(--bg2) 70%)}
.final h2{margin-bottom:10px}
.final p{color:var(--sub);font-size:17px;margin:0 auto 26px;max-width:600px}

footer{border-top:1px solid rgba(255,255,255,.07);padding:26px 0;color:var(--mut);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(max-width:720px){
  h1{font-size:29px} h2{font-size:24px}
  .grid,.price{grid-template-columns:1fr}
  nav a{margin-left:14px;font-size:14px}
  .step .t{flex:0 0 70px;font-size:14px}
  th,td{padding:11px 8px;font-size:15px}
}

/* 自己掌控版/极客版暂未开放：保留文字提示，灰显且不可点击 */
a.off{color:#5d6b88;cursor:default}
nav a.off{border-bottom:0}