:root{--green:#0d342c;--green-2:#174b3f;--paper:#f5f2e9;--gold:#c6a45b;--text:#17362f;--muted:#77847f;--line:rgba(28,68,57,.13)}
*{box-sizing:border-box}
html{background:var(--paper);scroll-behavior:smooth}
body{min-height:100%;margin:0;overflow-x:hidden;overflow-y:auto;background:linear-gradient(180deg,#f5f2e9,#edf1eb);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;letter-spacing:0;-webkit-overflow-scrolling:touch}
.contact-nav{position:sticky;z-index:10;top:0;display:flex;align-items:center;gap:14px;height:68px;padding:0 max(24px,calc((100vw - 1120px)/2));border-bottom:1px solid rgba(255,255,255,.08);background:rgba(13,52,44,.94);color:#fff;backdrop-filter:blur(16px)}
.contact-nav>a{display:grid;place-items:center;width:36px;height:36px;border:1px solid rgba(255,255,255,.18);border-radius:10px;color:#ead39b;font-size:20px;text-decoration:none}.contact-nav div{display:flex;align-items:baseline;gap:10px}.contact-nav b{font:500 20px STSong,"SimSun",serif}.contact-nav span{color:rgba(234,211,155,.65);font:600 8px Georgia,serif;letter-spacing:2px}
.contact-shell{width:min(1120px,calc(100% - 40px));margin:0 auto;padding:64px 0 46px}
.contact-intro{text-align:center}.contact-mark{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 18px;border:1px solid rgba(198,164,91,.5);border-radius:16px;background:var(--green);color:#ead39b;font:26px Georgia,serif;box-shadow:0 14px 30px rgba(13,52,44,.16)}.contact-intro>p:first-of-type{margin:0;color:#9b772f;font:600 9px Georgia,serif;letter-spacing:2.5px}.contact-intro h1{margin:12px 0 13px;font:500 38px STSong,"SimSun",serif}.intro-line{width:42px;height:1px;margin:auto;background:var(--gold)}.intro-copy{max-width:520px;margin:18px auto 0;color:var(--muted);font-size:13px;line-height:1.8;white-space:normal;overflow-wrap:anywhere}
.contact-methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:42px}.contact-method{min-width:0;padding:24px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.7);box-shadow:0 20px 60px rgba(25,55,47,.07),inset 0 1px 0 #fff}.contact-method header{display:flex;align-items:center;gap:13px;margin-bottom:20px}.contact-method header>span{display:grid;place-items:center;width:37px;height:37px;border-radius:10px;background:var(--green);color:#ead39b;font:10px Georgia,serif}.contact-method h2{margin:0;font:500 20px STSong,"SimSun",serif}.contact-method header p{margin:4px 0 0;color:var(--muted);font-size:9px}.qr-frame{display:grid;place-items:center;padding:18px;border:1px solid rgba(28,68,57,.08);border-radius:14px;background:#fff}.qr-frame img{display:block;width:min(100%,340px);height:auto;aspect-ratio:1;object-fit:contain}.method-note{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:16px;padding:13px 14px;border-radius:10px;background:#eef1eb}.method-note b{font-size:11px}.method-note span{color:#8b6a28;font-size:10px}
.contact-back{display:flex;align-items:center;justify-content:space-between;width:min(360px,100%);height:52px;margin:30px auto 0;padding:0 18px;border-radius:10px;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;text-decoration:none;box-shadow:0 14px 30px rgba(13,52,44,.18)}.contact-back span{font-size:11px;font-weight:600}.contact-back b{color:#ead39b;font-size:19px}footer{padding:26px 0 4px;text-align:center;color:#9ba5a1;font-size:9px}
@media(max-width:700px){.contact-nav{height:58px;padding:0 14px}.contact-shell{width:calc(100% - 24px);padding:30px 0 calc(32px + env(safe-area-inset-bottom))}.contact-mark{width:46px;height:46px;margin-bottom:14px;font-size:22px}.contact-intro h1{font-size:30px;margin-top:9px}.intro-copy{width:100%;max-width:330px;padding:0 12px;font-size:11px}.contact-methods{grid-template-columns:1fr;gap:14px;margin-top:28px}.contact-method{padding:16px;border-radius:15px}.contact-method header{margin-bottom:14px}.qr-frame{padding:12px}.qr-frame img{width:min(100%,300px)}.method-note{margin-top:12px}.contact-back{margin-top:20px}footer{padding-top:22px}}