:root{
  --navy:#1B2A4E; --navy2:#24375f; --orange:#F5A623; --teal:#0D9488;
  --cream:#FAF7F2; --ink:#1A1A1A; --sub:#5a616b; --muted:#8b9198;
  --line:#e8ebf0; --bg:#f5f7fa; --white:#ffffff;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
img{max-width:100%}

/* 顶栏 */
.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:.5px}
.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--orange),var(--teal));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff}
.nav{display:flex;gap:22px;font-size:14px}
.nav a{opacity:.82;transition:.15s}
.nav a:hover{opacity:1;color:var(--orange)}
.nav .cta{background:var(--orange);color:#1A1A1A;padding:7px 16px;border-radius:999px;font-weight:600;opacity:1}
@media(max-width:760px){.nav{gap:13px;font-size:12.5px}.nav a:not(.cta){display:none}}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 60%,#2c4a7d 100%);color:#fff;padding:64px 0 58px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(245,166,35,.10)}
.hero::before{content:"";position:absolute;right:120px;bottom:-90px;width:180px;height:180px;border-radius:50%;background:rgba(13,148,136,.12)}
.hero .tagline{font-size:13px;letter-spacing:3px;opacity:.8;margin-bottom:14px}
.hero h1{font-size:38px;line-height:1.25;margin-bottom:16px;font-weight:700;letter-spacing:.5px}
.hero p{font-size:16px;opacity:.92;max-width:680px}
.hero .meta{margin-top:26px;display:flex;gap:30px;flex-wrap:wrap;font-size:13.5px;opacity:.9}
.hero .meta b{display:block;font-size:11px;opacity:.65;letter-spacing:1px;font-weight:400;margin-bottom:4px}

/* 区块 */
section{padding:54px 0}
.sec-title{font-size:24px;font-weight:700;margin-bottom:8px;color:var(--navy)}
.sec-sub{color:var(--sub);font-size:15px;margin-bottom:30px}
.sec-head{margin-bottom:30px}

/* 产品卡片网格（首页） */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:.18s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-3px);box-shadow:0 12px 34px rgba(27,42,78,.10);border-color:#d6dce6}
.pcard .ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.pcard h3{font-size:18px;margin-bottom:8px;color:var(--navy)}
.pcard p{font-size:13.5px;color:var(--sub);flex:1;line-height:1.7}
.pcard .more{margin-top:16px;color:var(--teal);font-weight:600;font-size:14px}
.pcard .ptag{display:inline-flex;align-items:baseline;gap:1px;align-self:flex-start;background:linear-gradient(135deg,#fff4e2,#ffe6c2);color:#b8440a;border:1px solid #f3c98d;border-radius:999px;padding:4px 13px;margin-bottom:12px;font-weight:700;font-size:12.5px}
.pcard .ptag b{font-size:18px;letter-spacing:-.3px}
.pcard.hot{border:2px solid var(--orange);box-shadow:0 10px 30px rgba(245,166,35,.14)}
.pcard .ribbon{position:absolute;top:-11px;right:16px;background:var(--orange);color:#1A1A1A;font-size:11px;padding:3px 12px;border-radius:999px;font-weight:600}
.pcard{position:relative}

/* 登录入口列表 */
.entry{display:flex;flex-direction:column;gap:12px}
.ebox{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:.18s}
.ebox:hover{border-color:#d6dce6;box-shadow:0 8px 24px rgba(27,42,78,.07)}
.ebox .ei{width:44px;height:44px;border-radius:12px;background:var(--cream);display:flex;align-items:center;justify-content:center;font-size:22px;flex:0 0 auto}
.ebox .eb{flex:1;min-width:0}
.ebox h4{font-size:15.5px;color:var(--navy);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:2px}
.ebox .eu{font-size:12.5px;color:var(--teal);font-weight:700;margin:2px 0;word-break:break-all}
.ebox p{font-size:12.5px;color:var(--muted);line-height:1.6}
.st{font-size:11px;padding:2px 9px;border-radius:999px;font-weight:700;white-space:nowrap}
.st.on{background:#e4f7ee;color:#0d7f5c}
.st.demo{background:#fff2df;color:#b8440a}
.st.soon{background:#eef1f6;color:#5a6478}
.ebtn{flex:0 0 auto;background:var(--navy);color:#fff;border-radius:10px;padding:9px 16px;font-size:13.5px;font-weight:600;white-space:nowrap}
.ebtn.gray{background:#eef1f6;color:var(--navy)}
.ebtn:hover{opacity:.88}
@media(max-width:640px){.ebox{flex-wrap:wrap}.ebtn{width:100%;text-align:center}}
@media(max-width:860px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.pgrid{grid-template-columns:1fr}.hero h1{font-size:29px}}

/* 痛点表 */
.pain{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.pain .col{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.pain .col h4{color:#d8443a;font-size:15px;margin-bottom:10px}
.pain .col ul{list-style:none;font-size:13.5px;color:var(--sub)}
.pain .col li{padding:4px 0 4px 18px;position:relative}
.pain .col li::before{content:"✕";position:absolute;left:0;color:#d8443a}
.pain .col.ok h4{color:var(--teal)}
.pain .col.ok li::before{content:"✓";color:var(--teal)}
@media(max-width:760px){.pain{grid-template-columns:1fr}}

/* 能力网格 */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat .f{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.feat .f .fi{width:38px;height:38px;border-radius:10px;background:var(--cream);color:var(--navy);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:12px}
.feat .f h4{font-size:15.5px;margin-bottom:6px;color:var(--navy)}
.feat .f p{font-size:13px;color:var(--sub);line-height:1.65}
@media(max-width:760px){.feat{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.feat{grid-template-columns:1fr}}

/* 定价 */
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px;position:relative;display:flex;flex-direction:column}
.plan.hot{border:2px solid var(--orange);box-shadow:0 10px 30px rgba(245,166,35,.16)}
.plan .badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--orange);color:#1A1A1A;font-size:11.5px;padding:3px 14px;border-radius:999px;font-weight:600;white-space:nowrap}
.plan .pn{font-size:17px;font-weight:700;color:var(--navy)}
.plan .pd{font-size:12.5px;color:var(--muted);min-height:36px;margin-bottom:10px}
.plan .pp{display:flex;align-items:baseline;gap:3px;margin:6px 0}
.plan .pp .s{font-size:16px;font-weight:700;color:var(--teal)}
.plan .pp .n{font-size:32px;font-weight:800;color:var(--teal);letter-spacing:-.5px}
.plan .pp .u{font-size:12.5px;color:var(--muted)}
.plan .pnte{font-size:11.5px;color:var(--muted);margin-bottom:14px}
.plan ul{list-style:none;font-size:13px;flex:1}
.plan li{padding:5px 0 5px 21px;position:relative;color:var(--sub);line-height:1.6}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700}
.plan li.no{color:#b9bec6}.plan li.no::before{content:"—";color:#ccd1d8}
@media(max-width:760px){.price{grid-template-columns:1fr}.plan.hot{order:-1}}

/* 适用对象 */
.who{background:var(--navy);color:#fff;border-radius:18px;padding:36px}
.who h3{font-size:19px;margin-bottom:18px}
.who .tags{display:flex;flex-wrap:wrap;gap:12px}
.who .tg{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);padding:9px 16px;border-radius:999px;font-size:13.5px}

/* CTA */
.cta{background:linear-gradient(135deg,var(--orange),#e0941a);color:#1A1A1A;border-radius:18px;padding:38px;text-align:center}
.cta h3{font-size:22px;margin-bottom:10px}
.cta p{font-size:14.5px;margin-bottom:20px;opacity:.85}
.cta .btn{display:inline-block;background:var(--navy);color:#fff;padding:13px 30px;border-radius:999px;font-weight:600;font-size:15px}
.cta .btn:hover{opacity:.92}

/* 页脚 */
footer{background:#11192c;color:#aeb6c4;padding:34px 0;font-size:13px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer b{color:#fff}
footer .legal{opacity:.7;font-size:12px;margin-top:6px}

/* 内页 hero 小一点 */
.pagehero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:46px 0 40px}
.pagehero .tagline{font-size:12.5px;letter-spacing:3px;opacity:.8;margin-bottom:10px}
.pagehero h1{font-size:32px;margin-bottom:10px;font-weight:700}
.pagehero p{font-size:15px;opacity:.9;max-width:680px}
.crumb{padding:16px 0;font-size:13px;color:var(--muted)}
.crumb a:hover{color:var(--teal)}

.note{background:#eefaf3;border-left:3px solid var(--teal);border-radius:0 8px 8px 0;padding:12px 16px;font-size:13.5px;color:#12603a;margin:18px 0;line-height:1.7}
.note.warn{background:#fff8ec;border-color:var(--orange);color:#7a5518}

footer a.icp{opacity:.85;text-decoration:none}
footer a.icp:hover{text-decoration:underline;opacity:1}