/* ClinFrame 官网 · 2026-09 */
:root{
  --navy:#17365D;--navy-deep:#0F2743;--teal:#0F7C86;--teal-dark:#0B5F68;
  --mint:#5FE3CF;--mint-soft:#DDF7F2;--ink:#1B2430;--ink-2:#4B5563;--ink-3:#6B7280;
  --line:#E5E9EF;--bg:#FFFFFF;--bg-soft:#F5F8FA;--radius:16px;--radius-s:10px;
  --max:1120px;--font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{display:block;max-width:100%}
h1,h2,h3{color:var(--navy);line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;transition:.15s;white-space:nowrap}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-deep)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy)}
.btn-mint{background:var(--mint);color:var(--navy-deep)}
.btn-sm{padding:8px 16px;font-size:14px}

/* header */
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:700;font-size:18px;letter-spacing:.01em}
.brand:hover{text-decoration:none}
.brand svg{width:30px;height:30px;border-radius:8px}
.site-nav{display:flex;gap:22px;margin-left:auto}
.site-nav a{color:var(--ink-2);font-size:15px}
.site-nav a:hover{color:var(--navy);text-decoration:none}
.header-cta{margin-left:8px}
@media (max-width:820px){
  .site-header .wrap{height:auto;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:10px 16px}
  .site-nav{order:3;width:100%;margin-left:0;gap:16px;overflow-x:auto;padding-bottom:2px}
  .site-nav a{font-size:14px;white-space:nowrap}
  .header-cta{margin-left:auto}
}

/* hero */
.hero{padding:72px 0 56px;background:radial-gradient(1200px 600px at 85% -10%,var(--mint-soft) 0,transparent 60%)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--teal);letter-spacing:.08em;margin-bottom:14px}
.hero h1{font-size:46px;margin-bottom:18px}
.hero h1 span{color:var(--teal)}
.lead{font-size:18px;color:var(--ink-2);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0;margin:0;list-style:none;color:var(--ink-3);font-size:14px}
.trust li::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--mint);margin-right:8px;vertical-align:1px}
@media (max-width:900px){
  .hero{padding:44px 0 40px}
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:34px}
  .lead{font-size:17px}
}

/* phone mock */
.phone{width:300px;margin:0 auto;border-radius:44px;padding:12px;background:#0f172a;box-shadow:0 30px 60px -20px rgba(15,39,67,.45),0 0 0 1px rgba(255,255,255,.06) inset}
.phone-screen{background:#f2f4f7;border-radius:34px;padding:18px 14px 16px;font-size:12px;color:var(--ink);min-height:560px}
.ps-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.ps-top b{display:block;font-size:13px}
.ps-top small{display:block;color:var(--ink-3);font-size:10px}
.ps-top .pill{background:#e5e8ee;border-radius:999px;padding:3px 9px;font-size:10px;font-weight:700}
.ps-chips{display:flex;gap:6px;margin-bottom:14px}
.ps-chips span{padding:5px 10px;border-radius:999px;border:1px solid #d5dae2;background:#fff;font-size:11px}
.ps-chips .on{background:var(--navy);color:#fff;border-color:var(--navy);font-weight:600}
.ps-label{display:flex;justify-content:space-between;align-items:center;font-size:10px;font-weight:700;color:var(--ink-3);letter-spacing:.04em;margin:0 0 6px}
.ps-label em{font-style:normal;background:var(--navy);color:#fff;border-radius:999px;padding:3px 9px;font-size:10px}
.ps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:12px}
.ps-grid div{background:#fff;border-radius:10px;padding:8px;min-height:60px}
.ps-grid small{display:block;color:var(--ink-3);font-size:9px;margin-bottom:6px}
.ps-grid b{font-size:11px;line-height:1.3;display:block}
.ps-grid .empty{background:transparent;border:1px dashed #c9cfd8}
.ps-grid .empty b{color:#b0b7c3;font-weight:500}
.ps-text{background:#fff;border-radius:10px;padding:9px 10px;min-height:56px;color:var(--ink-2);font-size:11px;line-height:1.5;margin-bottom:12px}
.ps-btn{background:var(--navy);color:#fff;border-radius:12px;text-align:center;padding:11px;font-weight:700;font-size:13px}

/* sections */
section{padding:72px 0}
.section-head{max-width:640px;margin-bottom:40px}
.section-head h2{font-size:32px}
.section-head p{color:var(--ink-2);font-size:17px}
.soft{background:var(--bg-soft)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.step .num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--mint-soft);color:var(--teal-dark);font-weight:700;margin-bottom:16px}
.step h3{font-size:20px}
.step p{color:var(--ink-2);margin:0}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff}
.feature .ico{width:40px;height:40px;border-radius:10px;background:var(--mint-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px;color:var(--teal-dark)}
.feature h3{font-size:17px;margin-bottom:6px}
.feature p{color:var(--ink-2);font-size:15px;margin:0}
@media (max-width:900px){
  section{padding:52px 0}
  .section-head h2{font-size:26px}
  .steps,.features{grid-template-columns:1fr}
}

/* privacy band */
.privacy{background:linear-gradient(160deg,var(--navy-deep),var(--navy) 55%,var(--teal-dark));color:#fff}
.privacy h2,.privacy h3{color:#fff}
.privacy .section-head p{color:rgba(255,255,255,.78)}
.pillars{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pillar{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px}
.pillar h3{font-size:18px;margin-bottom:6px}
.pillar p{color:rgba(255,255,255,.8);margin:0;font-size:15px}
.privacy .more{margin-top:28px}
.privacy .more a{color:var(--mint);font-weight:600}
@media (max-width:700px){.pillars{grid-template-columns:1fr}}

/* receiver */
.receiver .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.receiver ul{padding-left:0;list-style:none;margin:0 0 20px}
.receiver li{padding:10px 0;border-top:1px solid var(--line);color:var(--ink-2)}
.receiver li b{color:var(--ink);margin-right:8px}
.note{font-size:14px;color:var(--ink-3)}
.flow{background:var(--bg-soft);border-radius:var(--radius);padding:28px 20px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.flow .node{text-align:center;flex:1}
.flow .node .box{margin:0 auto 10px;background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--navy)}
.flow .node small{color:var(--ink-3);font-size:13px;display:block}
.flow .arrow{color:var(--teal);font-size:22px;flex:0 0 auto}
@media (max-width:900px){.receiver .wrap{grid-template-columns:1fr}}

/* faq */
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy);font-size:17px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--teal);font-size:22px;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink-2);margin:10px 0 0;max-width:46em}

/* cta */
.cta{text-align:center;padding:80px 0}
.cta h2{font-size:32px}
.cta p{color:var(--ink-2);font-size:17px;margin-bottom:26px}
.cta .btn{font-size:16px;padding:14px 28px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:36px 0 40px;color:var(--ink-3);font-size:14px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:16px 32px;align-items:flex-start;justify-content:space-between}
.site-footer .brand{font-size:16px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.site-footer nav a{color:var(--ink-2)}
.site-footer .legal{width:100%;border-top:1px solid var(--line);padding-top:16px;margin-top:8px;font-size:13px}
.site-footer .legal a{color:var(--ink-3)}

/* 文档页(隐私/协议/帮助) */
.doc{max-width:760px;margin:0 auto;padding:48px 24px 72px}
.doc h1{font-size:32px;margin-bottom:6px}
.doc .meta{color:var(--ink-3);font-size:14px;margin-bottom:32px}
.doc h2{font-size:20px;margin:32px 0 10px}
.doc p,.doc li{font-size:16px;color:var(--ink-2)}
.doc ul,.doc ol{padding-left:22px}
.doc code{background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}
.doc strong{color:var(--ink)}