.guestbook-main{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.15fr);gap:clamp(45px,7vw,100px);align-items:start;max-width:1120px;width:100%;margin:72px auto;flex:1}
.guestbook-intro{padding-top:22px}.guestbook-eyebrow{font:11px/1.6 ui-monospace,monospace;letter-spacing:1.4px;color:#708398;margin:0 0 25px}
.guestbook-intro h1{font:400 clamp(38px,4vw,57px)/1.3 var(--serif);letter-spacing:-1.6px;margin:0 0 26px;color:#273b64}.guestbook-intro h1 em{font-style:normal;color:#6c849f}
.guestbook-intro>p:not(.guestbook-eyebrow){font-size:16px;line-height:1.95;color:#647a93;max-width:32ch}
.guestbook-privacy{border-top:1px solid #d1dce5;padding-top:22px;margin-top:33px;font-size:13px;line-height:1.85;color:#75879a;max-width:36ch}
.guestbook-symbol{font:italic 68px/1 var(--serif);color:#bb87494a;display:block;margin-top:35px;user-select:none}
.guestbook-card{border:1px solid #cfdce7;border-radius:22px;background:#f9fcfdba;box-shadow:0 16px 42px #657c960a;overflow:hidden;min-width:0}
.guestbook-card-heading{padding:24px 29px;border-bottom:1px solid #d7e2ea;display:flex;justify-content:space-between;gap:15px;color:#60768f;font:11px/1.6 ui-monospace,monospace;letter-spacing:.8px}
.guestbook-card-heading>span:last-child{color:#bb8749}
#guestbook-form{padding:27px 29px 28px}#guestbook-form fieldset{border:0;margin:0;padding:0;min-width:0}
.guestbook-field{margin-bottom:23px}.guestbook-field label{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:14px;line-height:1.6;margin-bottom:9px;color:#314b6e}
.guestbook-field .optional{font-size:12px;color:#7d8d9e}
.guestbook-field input,.guestbook-field textarea{width:100%;border:1px solid #ccd9e5;background:#ffffffa6;border-radius:10px;padding:12px 14px;font:16px/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:#273b64;outline:none;transition:border-color .2s,box-shadow .2s}
.guestbook-field textarea{resize:vertical;min-height:170px;max-height:390px;display:block}
.guestbook-field input:focus,.guestbook-field textarea:focus{border-color:#829cbc;box-shadow:0 0 0 4px #92abc21a}
.guestbook-field [aria-invalid=true]{border-color:#ba8582}
.guestbook-field input::placeholder,.guestbook-field textarea::placeholder{color:#8495a8}
.guestbook-field-footer{display:flex;justify-content:flex-end;margin-top:7px;font-size:12px;color:#7c8da1}
.guestbook-actions{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap}
.guestbook-actions>span{font-size:12px;color:#70869b}
.guestbook-submit,.guestbook-again{border:0;background:#273b64;color:#f7f9fc;border-radius:99px;padding:13px 23px;min-height:46px;font-size:14px;line-height:1.5;font-family:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:18px}
.guestbook-submit:hover,.guestbook-again:hover{background:#3b547f}.guestbook-submit:disabled{opacity:.6;cursor:wait}
.guestbook-feedback{min-height:22px;color:#a45f56;font-size:13px;line-height:1.7;margin:13px 0 0;overflow-wrap:anywhere}
.guestbook-success{padding:62px 35px;text-align:center}.guestbook-success[hidden],#guestbook-form[hidden]{display:none}
.guestbook-success-mark{display:grid;place-items:center;margin:0 auto 25px;width:57px;height:57px;border:1px solid #bfd2c7;border-radius:50%;color:#6e8a77;background:#ecf5ef;font-size:24px}
.guestbook-success h2{font:400 31px/1.4 var(--serif);margin:0 0 14px}.guestbook-success p{font-size:15px;line-height:1.9;color:#6f8196;margin:0 0 29px}
.guestbook-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.guestbook-footer{border-top:1px solid #d8e0e7;padding-top:22px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#72859b;font-size:12px;line-height:1.7}
@media(max-width:900px){.guestbook-main{grid-template-columns:1fr;gap:30px;margin:45px auto 55px;max-width:620px}.guestbook-intro{padding:0}.guestbook-intro>p:not(.guestbook-eyebrow){max-width:44ch}.guestbook-privacy{max-width:100%;margin-top:24px}.guestbook-symbol{display:none}}
@media(max-width:740px){.guestbook-main{margin-top:36px}.guestbook-intro h1{font-size:34px}.guestbook-intro>p:not(.guestbook-eyebrow){font-size:15px}#guestbook-form{padding:23px 19px}.guestbook-card-heading{padding:20px 19px}.guestbook-actions{align-items:stretch;flex-direction:column}.guestbook-submit{justify-content:center;width:100%}.guestbook-success{padding:44px 23px}}

/* One-shot gift after confirmed delivery; final pose remains as the keepsake. */
.guestbook-success{padding:24px 35px 36px}
.guestbook-gift{width:min(100%,320px);aspect-ratio:1;margin:0 auto 18px;border-radius:22px;overflow:hidden;background:#f0f4f7}
.guestbook-gift[hidden]{display:none}
.guestbook-gift video{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}
@media(max-width:740px){.guestbook-success{padding:18px 19px 30px}.guestbook-gift{width:min(100%,280px);margin-bottom:16px}}

/* 回执编号与查询回复 */
.guestbook-receipt{margin:14px 0 4px;padding:12px 14px;border:1px dashed #d5dde7;border-radius:12px;background:#f8fafc;text-align:center}
.guestbook-receipt-label{margin:0 0 6px;font-size:11px;color:#8a97ab;letter-spacing:.5px}
#guest-receipt{font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:#3d4f6e;word-break:break-all;user-select:all}
.guestbook-lookup{margin:34px 0 0;padding-top:22px;border-top:1px solid #e6ecf2}
.guestbook-lookup h2{margin:0 0 6px;font-size:16px;color:#273b64}
.guestbook-lookup-hint{margin:0 0 12px;font-size:12.5px;color:#8a97ab}
#guestbook-lookup-form{display:flex;gap:8px;flex-wrap:wrap}
#guest-lookup-id{flex:1 1 260px;min-width:0;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;padding:10px 13px;border:1px solid #dfe6ee;border-radius:10px;background:#fff;color:inherit}
.guestbook-lookup-btn{border:1px solid #b9c8dd;border-radius:99px;background:#eef2f8;color:#3d4f6e;font-size:12.5px;padding:9px 18px;cursor:pointer}
.guestbook-lookup-btn:hover{background:#e2e9f3}
#guestbook-lookup-result{margin-top:12px;font-size:13px;color:#4a5b74}
#guestbook-lookup-result .lookup-label{margin:0 0 5px;font-size:11px;color:#8a97ab;letter-spacing:.5px}
#guestbook-lookup-result .lookup-reply-label{margin-top:12px;color:#a3752f}
#guestbook-lookup-result blockquote{margin:0 0 4px;padding:9px 13px;border-left:3px solid #e2e8f0;background:#f8fafc;border-radius:0 8px 8px 0;color:#67788f;font-size:12.5px;white-space:pre-wrap}
#guestbook-lookup-result .lookup-reply{margin:0;white-space:pre-wrap;line-height:1.85}
.sr-only-guest{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}