@charset "UTF-8";
/* xysss.cn 全站样式：单文件、无内联样式、无第三方资源 */

:root{
  --ink:#0b1a2b; --ink2:#16405f; --brass:#9c7b3f; --brass2:#c2a468;
  --paper:#faf8f4; --paper2:#f2ede4; --line:#e3dcd0; --line2:#d3c9b8;
  --text:#1a2530; --text2:#3c4a58; --muted:#5f6d7a;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",Arial,sans-serif;
  --maxw:1080px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font:16px/1.8 var(--sans);-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.32;color:var(--ink);font-weight:700}
h1{font-size:clamp(26px,3.8vw,38px)}
h2{font-size:clamp(21px,2.6vw,26px)}
h3{font-size:17px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin-bottom:.4em}
strong{color:var(--ink)}
button{font:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:0}

/* ---------- 页头 ---------- */
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:50}
.hd{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 0}
.logo{font-size:19px;font-weight:700;letter-spacing:.04em;color:var(--ink);line-height:1.2}
.logo small{display:block;font-size:11px;font-weight:400;letter-spacing:.1em;color:var(--muted)}
.nav-btn{display:none;width:42px;height:38px;border:1px solid var(--line2);background:#fff;border-radius:8px;cursor:pointer;align-items:center;justify-content:center}
.nav-btn span{display:block;width:16px;height:1.5px;background:var(--ink);position:relative}
.nav-btn span::before,.nav-btn span::after{content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--ink)}
.nav-btn span::before{top:-5px}
.nav-btn span::after{top:5px}
nav.main ul{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:8px 12px;border-radius:6px;font-size:15px;color:var(--text2)}
nav.main a:hover{background:var(--paper2);color:var(--ink)}
nav.main a[aria-current]{color:var(--ink);font-weight:700;box-shadow:inset 0 -2px 0 var(--brass)}

/* ---------- 首屏（首页） ---------- */
.hero{background:linear-gradient(150deg,#08131f,#16405f);color:#e9f0f7;padding:62px 0}
.hero h1{margin:0 0 14px;color:#fff}
.hero .sub{margin:0 0 22px;max-width:56ch;color:#bccdda}
.hero .meta{margin:26px 0 0;padding:18px 0 0;border-top:1px solid rgba(255,255,255,.15);color:#9fb3c4;font-size:13.5px;list-style:none;display:flex;flex-wrap:wrap;gap:8px 24px}
.btn{display:inline-block;padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;background:#fff;color:var(--ink);border:1px solid transparent;cursor:pointer}
.btn:hover{opacity:.92}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);margin-left:10px}
.btn.ink{background:var(--ink);color:#fff}
.btn.line{background:transparent;color:var(--ink);border-color:var(--line2)}

/* ---------- 内页头 ---------- */
.page-hero{background:linear-gradient(150deg,#08131f,#16405f);color:#e9f0f7;padding:52px 0}
.page-hero h1{margin:0 0 12px;color:#fff}
.page-hero p{margin:0;max-width:60ch;color:#bccdda;font-size:14.5px}
.crumb{margin:0 0 14px;font-size:13px;color:#8fa4b8}
.crumb a:hover{color:var(--brass2)}
.crumb span{margin:0 8px;opacity:.6}

/* ---------- 区块 ---------- */
section{padding:48px 0}
section + section{border-top:1px solid var(--line)}
.lede{margin:0 0 26px;color:var(--muted);max-width:60ch}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.card p{margin:0;font-size:14.5px;color:var(--muted)}
.card ul{margin:10px 0 0;padding-left:18px;font-size:14px;color:var(--muted)}
.card li{margin-bottom:4px}
.card.main{border-top:3px solid var(--brass)}

/* ---------- 提示条 ---------- */
.notice{border-left:3px solid var(--brass);background:var(--paper2);padding:18px 20px;border-radius:0 8px 8px 0;font-size:14.5px;color:var(--text2);margin:24px 0 0}
.notice p{margin:0}
.notice p + p{margin-top:8px}
.notice.top{margin:0}
.notice.warn{border-left-color:#a4462f;background:#f7efec}
.notice strong{color:var(--ink)}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;margin-top:22px}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:540px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--paper2);font-size:12.5px;letter-spacing:.05em;color:var(--ink)}
tr:last-child td{border-bottom:0}
td strong{color:var(--ink)}
.info th{width:150px;letter-spacing:0;font-size:13.5px;background:#fbf9f5;white-space:nowrap}
.table-note{margin:12px 0 0;font-size:12.5px;color:var(--muted)}

/* ---------- 步骤 ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.steps li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.steps b{display:block;font-size:12px;letter-spacing:.1em;color:var(--brass);margin-bottom:6px}
.steps span{display:block;font-size:14px;color:var(--muted)}

/* ---------- 表单 ---------- */
form.lead{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;max-width:660px}
form.lead label{display:block;margin:14px 0 6px;font-size:14px;font-weight:600;color:var(--ink)}
form.lead input,form.lead textarea,form.lead select{
  width:100%;padding:10px 12px;border:1px solid var(--line2);border-radius:8px;
  font:inherit;background:#fdfcfa;color:var(--text)
}
form.lead input:focus,form.lead textarea:focus,form.lead select:focus{
  outline:none;border-color:var(--brass);box-shadow:0 0 0 3px rgba(156,123,63,.14);background:#fff
}
form.lead textarea{min-height:104px;resize:vertical}
.consent{display:flex;gap:8px;align-items:flex-start;margin:16px 0;font-size:13px;color:var(--muted);font-weight:400}
.consent input{margin-top:4px;width:15px;height:15px;flex:0 0 auto}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
form.lead .err{display:block;font-size:12.5px;color:#a4462f;min-height:0}
form.lead .err:empty{display:none}
form.lead [aria-invalid="true"]{border-color:#b1492f;background:#fdf6f4}
.status{margin-top:14px;font-size:13.5px;padding:12px 14px;border-radius:8px;display:none}
.status.ok{display:block;background:#eef4ef;color:#2b5c43;border:1px solid #cadfd2}
.status.bad{display:block;background:#f8eeeb;color:#8f3a24;border:1px solid #e8c9c0}
.done{padding:30px 26px;text-align:center;border:1px dashed var(--line2);border-radius:12px;background:#fbfaf7}
.done h3{margin-bottom:8px}
.done p{font-size:14px;color:var(--muted)}
.done[hidden]{display:none}

/* ---------- FAQ ---------- */
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 18px;margin-bottom:10px}
summary{cursor:pointer;padding:14px 0;font-weight:600;font-size:15.5px;color:var(--ink)}
details p{margin:0 0 14px;font-size:14.5px;color:var(--muted)}

/* ---------- 长文文档 ---------- */
.doc{max-width:74ch}
.doc h2{margin:32px 0 10px;font-size:19px}
.doc h2:first-of-type{margin-top:0}
.doc p{margin:0 0 12px;color:var(--text2);font-size:15px}
.doc ul{margin:0 0 12px;padding-left:20px;color:var(--text2);font-size:15px}
.doc-meta{margin:0 0 24px;padding-bottom:18px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.anchors{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.anchors a{font-size:13px;padding:6px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--text2)}
.anchors a:hover{border-color:var(--brass);color:var(--ink)}

/* ---------- 二维码 / 联系方式 ---------- */
.qr-box{text-align:center;margin-top:22px}
/* 二维码 PNG 实际像素 148×148，此处按 1:1 显示，避免缩放造成的模块边缘模糊 */
.qr-box img{width:148px;height:148px;margin:0 auto 10px;border:1px solid var(--line);border-radius:10px;background:#fff}
.qr-box p{font-size:12.5px;color:var(--muted);margin:0}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:16px;margin:0}
.contact-list li:last-child{border-bottom:0}
.contact-list .k{flex:0 0 84px;font-size:13px;color:var(--muted)}
.contact-list .v{font-size:15px;color:var(--ink);font-weight:600;word-break:break-all}
.contact-list .v em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:3px}

/* ---------- 占位页 ---------- */
.empty{text-align:center;padding:72px 0}
.empty h1{margin-bottom:12px}
.empty p{color:var(--muted);max-width:44ch;margin:0 auto 26px}
.empty .code{font-size:64px;font-weight:700;color:var(--line2);letter-spacing:.06em;line-height:1;margin-bottom:18px}

/* ---------- 页脚 ---------- */
footer.site{background:#08131f;color:#93a6b8;font-size:13.5px;padding:38px 0 22px;margin-top:8px}
footer.site h4{margin:0 0 10px;font-size:12px;letter-spacing:.14em;color:#cbd8e5}
.fgrid{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));padding-bottom:24px}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin-bottom:8px}
footer.site a:hover{color:var(--brass2)}
.fbar{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between;color:#7f93a5;font-size:12.5px}
.fbar a{color:#a7b8c8}
.sep{opacity:.5;margin:0 6px}
.beian{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}
.beian-gongan{display:inline-flex;align-items:center;gap:5px}
.beian-gongan img{width:20px;height:20px}
.fnote{margin:14px 0 0;font-size:12px;color:#6d8091;max-width:880px;line-height:1.75}

/* ---------- 响应式 ---------- */
@media (max-width:880px){
  .hd{position:relative}
  .nav-btn{display:flex}
  nav.main{width:100%;display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;gap:0;padding:6px 0 4px}
  nav.main a{padding:12px 6px;border-top:1px solid var(--line);border-radius:0;font-size:15.5px}
  nav.main a[aria-current]{box-shadow:none;color:var(--brass)}
  .hero{padding:48px 0}
  section{padding:38px 0}
  .btn.ghost{margin:10px 0 0}
  .contact-list li{flex-direction:column;gap:4px}
  form.lead{padding:20px 16px}
}
@media print{
  header.site,footer.site .fbar,nav.main,.btn,.qr-box{display:none !important}
  body{background:#fff}
  .hero,.page-hero{background:#fff !important;color:#000 !important;padding:0 0 16px}
  .hero h1,.page-hero h1,.hero .sub,.page-hero p{color:#000 !important}
}

/* ---------- 企微咨询入口：三业务按钮（自适应） ---------- */
.wx-cta{padding:4px 0 44px}
.wx-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0 0}
.wx-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:76px;padding:14px 12px;border-radius:14px;background:var(--ink);color:#fff;border:1px solid var(--ink2);font-size:16.5px;font-weight:700;letter-spacing:.02em;text-align:center;box-shadow:0 6px 18px rgba(11,26,43,.16);transition:transform .16s ease,box-shadow .16s ease}
.wx-btn em{font-style:normal;font-size:12px;font-weight:400;letter-spacing:.04em;color:var(--brass2)}
.wx-btn:hover,.wx-btn:focus-visible{transform:translateY(-2px);box-shadow:0 10px 24px rgba(11,26,43,.24)}
.wx-btn:active{transform:translateY(0)}
@media (max-width:720px){
  .wx-grid{grid-template-columns:1fr;gap:10px}
  .wx-btn{flex-direction:row;justify-content:space-between;min-height:62px;padding:12px 16px;font-size:17px;text-align:left}
}

/* ---------- 回执区企微按钮组 ---------- */
.done-cta{margin:14px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.done-cta .btn{font-size:14px;padding:10px 18px}
@media (max-width:720px){.done-cta{flex-direction:column;align-items:stretch}.done-cta .btn{text-align:center}}

/* ---------- 企微加好友弹窗（微信内兜底） ---------- */
.wxm{position:fixed;inset:0;z-index:120;background:rgba(8,19,31,.62);display:flex;align-items:center;justify-content:center;padding:20px}
.wxm[hidden]{display:none}
.wxm-box{position:relative;width:100%;max-width:340px;background:#fff;border-radius:16px;padding:22px 20px 18px;text-align:center;box-shadow:0 18px 44px rgba(0,0,0,.28)}
.wxm-box h3{margin:0 0 6px;font-size:18px}
.wxm-tip{margin:0 0 14px;font-size:12.5px;color:var(--muted);line-height:1.6}
.wxm-qr{width:220px;height:220px;margin:0 auto 12px;border:1px solid var(--line);border-radius:8px}
.wxm-link{margin:0;font-size:13.5px}
.wxm-link a{color:var(--ink2);text-decoration:underline}
.wxm-x{position:absolute;top:6px;right:8px;width:32px;height:32px;border:0;background:transparent;font-size:22px;line-height:1;color:var(--muted);cursor:pointer}
.wxm-x:hover{color:var(--ink)}

/* ---------- 纯 CSS 兜底：二维码折叠入口（不依赖 JS） ---------- */
.wx-fb{margin-top:14px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 14px}
.wx-fb summary{cursor:pointer;padding:12px 0;font-size:13.5px;font-weight:600;color:var(--ink2);list-style:none}
.wx-fb summary::-webkit-details-marker{display:none}
.wx-fb summary::before{content:"▸";display:inline-block;margin-right:6px;transition:transform .15s}
.wx-fb[open] summary::before{transform:rotate(90deg)}
.wx-fb-grid{display:flex;flex-wrap:wrap;gap:16px;padding:4px 0 16px}
.wx-fb-grid figure{margin:0;text-align:center;font-size:12.5px;color:var(--muted)}
.wx-fb-grid img{border:1px solid var(--line);border-radius:6px;margin-bottom:6px}

/* ---------- 375px 竖屏细化：按钮不挤压、二维码不溢出 ---------- */
@media (max-width:400px){
  .wrap{padding:0 16px}
  .wx-grid{gap:8px}
  .wx-btn{min-height:60px;padding:11px 14px;font-size:16px}
  .wx-btn em{font-size:11.5px}
  .done-cta{gap:6px}
  .done-cta .btn{padding:10px 14px;font-size:13.5px}
  .wxm{padding:12px}
  .wxm-box{max-width:100%;padding:18px 14px 14px}
  .wxm-box h3{font-size:16.5px}
  .wxm-qr{width:min(200px,60vw);height:auto;aspect-ratio:1/1}
  .wx-fb{padding:0 10px}
  .wx-fb-summary,.wx-fb summary{font-size:12.5px}
  .wx-fb-grid{gap:10px;justify-content:space-between}
  .wx-fb-grid figure{flex:0 0 calc(50% - 5px)}
  .wx-fb-grid img{width:100%;height:auto;max-width:140px;margin:0 auto 6px}
}

/* ---------- 弹窗补充提示 ---------- */
.wxm-tip2{margin:0 0 12px;padding:8px 10px;border-radius:8px;background:var(--paper2);font-size:12.5px;line-height:1.6;color:var(--ink2);font-weight:600}
.wxm-note{display:inline-block;margin-top:6px;font-size:11.5px;color:var(--muted);font-weight:400}

/* ---------- 弹窗底部温馨提示 ---------- */
.wxm-warn{margin:8px 0 10px;font-size:14px;line-height:1.6;color:#666}
@media (max-width:400px){.wxm-warn{font-size:13px}}

/* ---------- 兜底二维码区提示 ---------- */
.wx-fb-tip{margin:0 0 14px;font-size:14px;line-height:1.6;color:#666}
@media (max-width:400px){.wx-fb-tip{font-size:13px}}