:root{--red:#d83c2e;--red-deep:#ba2c22;--amber:#f7b43c;--ink:#17202a;--muted:#667079;--line:#ece7e1;--paper:#fffaf5;--cream:#fbf6ef;--shadow:0 18px 45px rgba(66,42,25,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;scroll-padding-bottom:calc(100px + env(safe-area-inset-bottom,0px))}
body{margin:0;padding-bottom:calc(80px + env(safe-area-inset-bottom,0px));color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:15px;line-height:1.6}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.icon{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.shell{width:min(1180px,calc(100% - 72px));margin:0 auto}
.site-header{height:76px;background:#fff;position:relative;z-index:30;box-shadow:0 2px 18px rgba(34,28,22,.045)}
.header-inner{height:100%;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap;flex:none}
.brand img{width:160px;height:55px;object-fit:contain;margin-left:-18px;margin-right:-18px}
.brand-divider{height:22px;width:1px;background:#d2d1cf}
.brand-caption{font-size:13px;font-weight:600;letter-spacing:.04em}
.header-region{display:flex;align-items:center;gap:4px;font-size:13px;white-space:nowrap}
.header-region .icon{color:var(--red);font-size:18px}
.header-nav{margin-left:auto;display:flex;align-items:center;gap:28px;white-space:nowrap}
.header-nav a{font-size:14px;font-weight:600;transition:color .2s}
.header-nav a:hover,.footer-main a:hover{color:var(--red)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;min-height:42px;padding:10px 22px;font-size:14px;font-weight:700;line-height:1.2;transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap}
.button:hover{transform:translateY(-2px);box-shadow:0 8px 19px rgba(157,45,25,.18)}
.button-primary{color:#fff;background:linear-gradient(135deg,#ec4c3d,#d6382c)}
.button-primary:hover{background:linear-gradient(135deg,#e34335,#be2e23)}
.button-light,.button-white{background:#fff;color:var(--red)}
.button-outline{background:#fff;border-color:#e6bbb5;color:var(--red)}
.header-cta{min-width:122px;margin-left:6px}
.menu-toggle{display:none;border:0;background:none;font-size:24px;color:var(--ink);padding:4px 8px}
.section{padding:42px 0}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:20px}
.section-heading h2,.faq h2{font-size:28px;line-height:1.3;margin:0;letter-spacing:-.035em}
.section-kicker{font-size:13px;color:var(--red);font-weight:800;letter-spacing:.11em;margin:0 0 8px}
.section-caption,.section-heading-note{color:#8b8b89;font-size:13px;margin:0}
.text-link{font-size:13px;font-weight:700;color:var(--red);white-space:nowrap}
.text-link:hover{text-decoration:underline}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.06em;margin:0 0 7px}
.eyebrow.light{color:#fff6ec}
.form-card{background:#fff;border:1px solid rgba(241,236,229,.8);border-radius:12px;box-shadow:var(--shadow);padding:18px 18px 16px}
.form-grid{display:grid;gap:11px}
.form-grid-2{grid-template-columns:1fr 1fr}
.form-card label{display:block;font-size:12px;font-weight:700;color:#303940}
.form-card input,.form-card select,.form-card textarea{display:block;width:100%;min-height:36px;margin-top:5px;padding:8px 10px;border:1px solid #e3e7e8;border-radius:6px;color:var(--ink);background:#fff;outline:0;font-size:12px;font-weight:400}
.form-card textarea{resize:vertical;min-height:46px}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(216,60,46,.11)}
.form-card input::placeholder,.form-card textarea::placeholder{color:#a5abb0}
.form-submit{width:100%;margin-top:11px}
.form-hint{margin:9px 0 0;text-align:center;color:#8a8d91;font-size:11px}
.form-hint a{color:var(--red);font-weight:700}
.form-status{margin:9px 0 0;font-size:12px;color:var(--red-deep);text-align:center}
.form-status:empty{display:none}
.form-card .form-consent{display:flex;align-items:flex-start;gap:6px;font-size:10px;line-height:1.5;font-weight:400;color:#7a8185;margin-top:9px}
.form-card .form-consent[hidden]{display:none}
.form-card .form-consent input{width:13px;height:13px;min-height:13px;padding:0;margin:1px 0 0;flex:none;accent-color:var(--red)}
.button:disabled{cursor:default;opacity:.7;transform:none;box-shadow:none}
.sandbox-banner{padding:7px 17px;background:#fff1dd;color:#8d592c;font-size:12px;text-align:center}
.contact-dialog{width:min(390px,calc(100% - 32px));border:1px solid #f1e1d6;border-radius:18px;padding:30px;color:var(--ink);box-shadow:var(--shadow)}
.contact-dialog::backdrop{background:rgba(28,23,20,.45);backdrop-filter:blur(3px)}
.contact-dialog h2{font-size:28px;margin:0}
.contact-dialog>p:not(.section-kicker){font-size:13px;color:var(--muted)}
.dialog-close{position:absolute;top:10px;right:13px;border:0;background:none;color:#8a8580;font-size:25px}
.wechat-value{display:block;width:100%;text-align:center;border:1px solid #f0e1d8;border-radius:9px;background:#fff7f0;color:var(--red);font-size:24px;font-weight:700;padding:12px;margin:18px 0}
.copy-wechat{width:100%}
.contact-copy-status{text-align:center;margin-bottom:0}
.site-footer{background:#fff;border-top:1px solid #eee9e3;padding:20px 0 16px}
.footer-main{display:flex;align-items:center;gap:24px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-right:auto;white-space:nowrap}
.footer-brand img{width:125px;height:44px;object-fit:contain;margin-left:-15px;margin-right:-15px}
.footer-brand span{font-size:12px;color:#747575}
.footer-main nav{display:flex;align-items:center;gap:0}
.footer-main nav a{font-size:12px;padding:0 13px;border-right:1px solid #d5d2ce}
.footer-main nav a:last-child{border:0}
.footer-records{display:flex;align-items:center;justify-content:center;gap:24px;padding-top:12px;color:#777c80;font-size:12px}
.footer-records a{display:inline-flex;align-items:center;gap:5px}
.footer-records a:hover{text-decoration:underline}
.footer-records img{width:18px;height:20px;object-fit:contain}
.concept-note{text-align:center;color:#a6aaa9;font-size:10px;margin:6px auto 0}
.site-actionbar{position:fixed;z-index:35;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #ece3da;box-shadow:0 -4px 20px rgba(0,0,0,.06);padding:12px 0 calc(12px + env(safe-area-inset-bottom,0px))}
.actionbar-inner{display:flex;align-items:center;gap:12px}
.actionbar-caption{margin-right:auto;font-size:16px;font-weight:700}
.site-actionbar .button{min-width:180px;min-height:48px}
.site-actionbar .button-outline{border-color:var(--red)}
.site-actionbar .icon{font-size:19px}
@media(max-width:1100px){.shell{width:calc(100% - 72px)}.header-nav{gap:20px}.header-inner{gap:15px}.brand img{width:150px}.header-cta{padding-inline:16px}}
@media(max-width:860px){.header-nav{gap:12px}.header-nav a{font-size:12px}.header-region{display:none}.header-cta{font-size:12px;min-width:0}}
@media(max-width:700px){
  html{scroll-padding-top:70px}
  body{padding-bottom:calc(70px + env(safe-area-inset-bottom,0px))}
  .shell{width:calc(100% - 34px)}
  .site-header{height:65px}
  .header-inner{gap:8px}
  .brand{gap:6px}
  .brand img{width:137px;height:50px;margin-left:-17px;margin-right:-17px}
  .brand-divider{height:19px}
  .brand-caption{font-size:11px}
  .menu-toggle{display:block;margin-left:auto}
  .header-cta{display:none}
  .header-nav{display:none;position:absolute;top:65px;left:0;right:0;margin:0;padding:8px 17px 18px;background:#fff;box-shadow:0 20px 25px rgba(0,0,0,.1);flex-direction:column;align-items:stretch;gap:0}
  .header-nav.open{display:flex}
  .header-nav a{font-size:15px;padding:11px 8px;border-bottom:1px solid var(--line)}
  .section{padding:34px 0}
  .section-heading{align-items:flex-start;margin-bottom:17px}
  .section-heading h2,.faq h2{font-size:24px}
  .text-link{font-size:12px}
  .form-grid-2{grid-template-columns:1fr 1fr}
  .footer-main{align-items:flex-start;flex-wrap:wrap;gap:12px}
  .footer-brand{width:100%;margin:0}
  .footer-main nav{width:100%;flex-wrap:wrap}
  .footer-main nav a{padding:0 9px}
  .footer-main nav a:first-child{padding-left:0}
  .footer-records{align-items:flex-start;gap:7px;flex-direction:column}
  .concept-note{text-align:left}
  .site-actionbar{padding:9px 14px calc(9px + env(safe-area-inset-bottom,0px))}
  .actionbar-inner{width:100%;gap:10px;display:grid;grid-template-columns:1fr 1fr}
  .actionbar-caption{display:none}
  .site-actionbar .button{min-width:0;min-height:48px;font-size:14px;padding:10px 9px}
}
@media(max-width:370px){.form-grid-2{grid-template-columns:1fr}.section-heading h2,.faq h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}