/* 阿根廷本土仓落地页样式 · 无外部依赖 */
:root{
  --navy:#0b2545;
  --navy-2:#13315c;
  --sky:#74acdf;
  --sky-soft:#e8f2fb;
  --sun:#f6b40e;
  --text:#1b2635;
  --muted:#5b6778;
  --line:#e3e8ef;
  --bg:#ffffff;
  --bg-alt:#f6f9fc;
  --ok:#1f8a4c;
  --err:#c0392b;
  --radius:12px;
  --shadow:0 6px 24px rgba(11,37,69,.08);
  --gutter:16px;
  --max:1120px;
  --font:"PingFang SC","PingFang TC","Microsoft YaHei","Microsoft JhengHei","Noto Sans SC","Noto Sans TC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--navy-2)}
h1,h2,h3{line-height:1.3;color:var(--navy);margin:0 0 .5em}
h1{font-size:clamp(28px,6vw,46px);letter-spacing:.5px}
h2{font-size:clamp(22px,4.5vw,32px)}
h3{font-size:18px}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:56px 0}
.section.alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:720px;margin:0 auto 32px}
.section-head p{color:var(--muted)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--navy-2);background:var(--sky-soft);border-radius:99px;padding:2px 12px;margin-bottom:10px}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:100}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:10px;border:2px solid transparent;font:inherit;font-weight:600;font-size:16px;text-decoration:none;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2);box-shadow:var(--shadow)}
.btn-wa{background:#fff;color:var(--navy);border-color:var(--sky)}
.btn-wa:hover{background:var(--sky-soft)}
.btn-sm{min-height:38px;padding:6px 14px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:not-allowed}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(180%) blur(8px)}
.nav .container{display:flex;align-items:center;justify-content:space-between;gap:12px;height:60px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);text-decoration:none;font-size:17px;flex-shrink:0}
.logo-mark{width:28px;height:28px}
.nav-links{display:none;gap:24px}
.nav-links a{color:var(--text);text-decoration:none;font-size:15px}
.nav-links a:hover{color:var(--navy-2)}
.nav-right{display:flex;align-items:center;gap:10px}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:14px}
.lang a,.lang span{padding:4px 10px;text-decoration:none;color:var(--muted)}
.lang [aria-current]{background:var(--navy);color:#fff}
.nav .btn-sm{display:none}
@media (min-width:400px){.nav .btn-sm{display:inline-flex}}
@media (min-width:880px){.nav-links{display:flex}}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--sky-soft) 0%,#fff 100%);padding:48px 0 56px}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(116,172,223,.35),rgba(116,172,223,0) 70%);pointer-events:none}
.hero .container{position:relative;z-index:1}
.hero-sub{font-size:clamp(16px,3.6vw,20px);color:var(--muted);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 28px}
.hero-cta .btn{flex:1 1 160px;max-width:240px}
.trust{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.trust li{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--navy-2)}
.trust svg{width:22px;height:22px;flex-shrink:0}
@media (min-width:720px){.trust{grid-template-columns:repeat(3,max-content);gap:28px}.hero{padding:80px 0 88px}}

/* 卡片网格 */
.grid{display:grid;gap:16px}
@media (min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:960px){.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}}
@media (min-width:640px) and (max-width:959px){.grid-4{grid-template-columns:repeat(2,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card p{color:var(--muted);margin:0;font-size:15px}
.pain .card{border-left:4px solid var(--sky)}
.pain h3::before{content:"✕";display:inline-block;width:22px;height:22px;line-height:22px;text-align:center;border-radius:50%;background:#fdecea;color:var(--err);font-size:12px;margin-right:8px;vertical-align:2px}
.svc .card{transition:box-shadow .2s,transform .2s}
.svc .card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.icon{width:48px;height:48px;border-radius:12px;background:var(--sky-soft);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.icon svg{width:28px;height:28px}

/* 流程 */
.steps{list-style:none;margin:0 auto;padding:0;max-width:760px;counter-reset:s}
.steps li{position:relative;padding:0 0 28px 60px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.steps li::after{content:"";position:absolute;left:19px;top:44px;bottom:4px;width:2px;background:var(--sky)}
.steps li:last-child{padding-bottom:0}
.steps li:last-child::after{display:none}
.steps h3{margin:6px 0 4px}
.steps p{color:var(--muted);margin:0;font-size:15px}

/* 为什么选我们 */
.why .card{text-align:center}
.why .num{font-size:28px;font-weight:800;color:var(--navy-2);margin-bottom:6px}

/* FAQ */
.faq{max-width:800px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:16px 48px 16px 18px;font-weight:600;color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:20px;top:50%;width:10px;height:10px;border-right:2px solid var(--navy-2);border-bottom:2px solid var(--navy-2);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq .ans{padding:0 18px 16px;color:var(--muted)}
.faq .ans p:last-child{margin:0}

/* 联系我们 */
.contact-card{max-width:420px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px var(--gutter);box-shadow:var(--shadow);text-align:center}
.contact-card img{width:200px;height:200px;margin:0 auto 14px;border-radius:8px;border:1px solid var(--line);background:var(--bg-alt)}
.contact-card h3{font-size:16px}
.contact-or{color:var(--muted);font-size:14px;margin:14px 0 8px}
.contact-card .btn-wa{width:100%;max-width:260px}

/* 页脚 */
.footer{background:var(--navy);color:#c9d6e6;padding:40px 0 24px;font-size:14px}
.footer h3{color:#fff;font-size:16px}
.footer a{color:#fff}
.footer .cols{display:grid;gap:24px}
@media (min-width:720px){.footer .cols{grid-template-columns:1.4fr 1fr 1fr}}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin-bottom:6px;word-break:break-word}
.footer .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:16px;text-align:center;color:#8fa3bd}

/* 手机悬浮条 */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(11,37,69,.08);padding-bottom:env(safe-area-inset-bottom)}
.mbar a,.mbar button{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;height:54px;font:inherit;font-weight:600;font-size:16px;border:0;text-decoration:none;cursor:pointer}
.mbar .wx{background:var(--navy);color:#fff}
.mbar .wa{background:#fff;color:var(--navy)}
.mbar svg{width:20px;height:20px}
body{padding-bottom:calc(54px + env(safe-area-inset-bottom))}
@media (min-width:880px){.mbar{display:none}body{padding-bottom:0}}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:var(--gutter);background:rgba(11,37,69,.6)}
.modal.open{display:flex}
.modal-box{position:relative;background:#fff;border-radius:16px;padding:28px 20px 22px;width:100%;max-width:340px;text-align:center}
.modal-box h3{margin-bottom:4px}
.modal-box p{color:var(--muted);font-size:14px;margin:0}
.modal-box img{width:220px;height:220px;margin:16px auto;border-radius:8px;border:1px solid var(--line);background:var(--bg-alt)}
.modal-close{position:absolute;right:8px;top:8px;width:40px;height:40px;border:0;background:none;font-size:26px;line-height:1;color:var(--muted);cursor:pointer}
.wxid{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.wxid code{font-family:inherit;font-weight:700;color:var(--navy);background:var(--sky-soft);padding:4px 10px;border-radius:6px;word-break:break-all}
.copy-tip{font-size:13px;color:var(--ok);min-height:20px}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}