:root{color-scheme:light;--ink:#173e38;--muted:#73847c;--green:#136f63;--line:#e2e9e4;--paper:#fff;--ground:#f3f5ef;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);-webkit-tap-highlight-color:transparent}body::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse at 6% 35%,#dfe9dd80,transparent 55%),radial-gradient(ellipse at 95% 90%,#e6ead580,transparent 45%)}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #6ab2a4;outline-offset:3px}[hidden]{display:none!important}.page{position:relative;max-width:1200px;padding:0 52px;margin:auto}.site-header{display:flex;align-items:center;gap:12px;padding:35px 0;border-bottom:1px solid #dbe3d8}.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--green);border-radius:13px 4px 13px 4px;color:#fff;font-family:"Songti SC","SimSun",serif;font-size:25px}.brand-copy{display:flex;flex-direction:column;gap:5px}.brand-copy strong{font-weight:600;font-size:17px;letter-spacing:1px}.brand-copy span{font-size:11px;letter-spacing:2px;color:var(--muted)}.header-label{margin-left:auto;font-size:12px;letter-spacing:2px;color:#768a7a}.main-layout{display:grid;grid-template-columns:1fr 1.06fr;align-items:center;gap:70px;min-height:calc(100svh - 200px);padding:50px 0 65px}.intro{padding-bottom:35px}.eyebrow{display:flex;gap:9px;align-items:center;font-size:12px;letter-spacing:2px;color:#60856c;margin:0 0 32px}.eyebrow span{width:5px;height:5px;background:#589273;border-radius:50%}h1{font-family:"Songti SC","STSong","SimSun",serif;font-weight:500;font-size:clamp(40px,4.4vw,58px);letter-spacing:2px;line-height:1.48;margin:0 0 22px}h1>span{color:#9ba980}.intro-text{color:#6d8073;font-size:15px;line-height:1.95;letter-spacing:1px}.intro-note{display:flex;gap:16px;align-items:center;margin-top:58px}.note-line{width:25px;height:1px;background:#9caf9c}.intro-note p{font-size:12px;line-height:1.9;color:#829084;margin:0}.form-card{background:var(--paper);padding:33px 32px 24px;border:1px solid #e6eae1;border-radius:20px;box-shadow:0 15px 50px #304a3310}.card-heading{display:flex;justify-content:space-between;align-items:end;gap:8px}.section-kicker{font-size:9px;color:#94a39a;letter-spacing:2px;margin:0 0 9px}h2{font-size:22px;font-weight:600;letter-spacing:1px;margin:0}.date-label{font-size:11px;color:#8a988c;white-space:nowrap;padding-bottom:2px}.connection-status{font-size:12px;color:#7e8d82;line-height:1.6;margin:18px 0 23px}.text-button{border:0;background:none;color:var(--green);font-size:14px;padding:0 0 16px;text-decoration:underline}label{display:block;font-size:13px;font-weight:500;margin-bottom:10px;color:#385447}input,textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:#fbfcf9;color:var(--ink);padding:13px 12px;font-size:16px;line-height:1.5;transition:border-color .15s}input::placeholder,textarea::placeholder{color:#a2ada4;font-size:13px}input:focus,textarea:focus{border-color:#6a9c87}input:disabled{background:#f0f3ed}textarea{resize:vertical;min-height:110px}.identity-input{position:relative}.identity-input input{padding-right:114px;font-size:15px;letter-spacing:.2px}.identity-input button{position:absolute;right:6px;top:7px;bottom:7px;background:#eaf1e9;color:#326d55;border:0;border-radius:6px;font-size:12px;padding:0 10px;white-space:nowrap}.identity-input button span{margin-left:5px}.field-hint{font-size:11px;line-height:1.7;color:#97a296;margin:8px 0 0}.history-notice{background:#eff5ef;border-left:2px solid #87a98b;padding:10px 12px;font-size:12px;color:#56816b;line-height:1.7;margin:20px 0}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.address-field{margin-top:20px}.primary-button{display:flex;align-items:center;justify-content:center;gap:25px;background:var(--green);color:#fff;border:0;border-radius:9px;padding:16px;width:100%;margin-top:23px;font-size:15px;letter-spacing:1px}.primary-button:hover{background:#0c5b51}.form-footnote{font-size:11px;line-height:1.7;text-align:center;color:#96a194;margin:11px 0 0}.privacy-note{display:flex;justify-content:center;align-items:center;gap:7px;border-top:1px solid #eef1eb;margin-top:25px;padding-top:16px;font-size:10px;color:#9ba598;letter-spacing:.3px}.privacy-note span{font-size:20px;color:#95aa88}.form-message{padding:12px;font-size:13px;line-height:1.65;color:#a3503c;background:#fff4ef;border-radius:8px;margin-top:16px}.success-panel{text-align:center;padding:28px 0 5px}.success-mark{width:60px;height:60px;border-radius:50%;background:#edf5ee;color:var(--green);font-size:29px;display:grid;place-items:center;margin:0 auto 24px}.success-panel h2{font-size:23px}.success-panel>p:not(.section-kicker){font-size:13px;line-height:1.9;color:#718676;margin-top:18px}.success-note{font-size:12px;line-height:1.9;color:#93a18e;margin:18px 0 25px}.secondary-button{width:100%;border:1px solid #d8e4d8;color:#4e795f;border-radius:8px;background:#fff;padding:13px;font-size:14px}.site-footer{border-top:1px solid #dbe3d8;display:flex;justify-content:space-between;padding:23px 0 28px;font-size:10px;letter-spacing:1px;color:#96a08f}
@media(max-width:800px){.page{padding:0 25px;max-width:580px}.site-header{padding:23px 0;border-bottom:0}.brand-mark{width:37px;height:37px;font-size:22px}.brand-copy strong{font-size:15px}.header-label{font-size:10px}.main-layout{display:block;min-height:auto;padding:20px 0 35px}.intro{padding-bottom:24px}.eyebrow{font-size:10px;margin-bottom:16px;letter-spacing:1.4px}h1{font-size:37px;line-height:1.35;letter-spacing:1px;margin-bottom:11px}h1 br{display:none}.intro-text{font-size:12px;line-height:1.8;margin-bottom:0;letter-spacing:.3px}.intro-text br{display:none}.intro-note{display:none}.form-card{padding:25px 21px 18px;border-radius:17px;box-shadow:0 10px 35px #304a3309}.card-heading h2{font-size:20px}.connection-status{font-size:11px;margin:15px 0 20px}.field-grid{gap:12px}.site-footer{font-size:9px;padding:18px 0 23px}.privacy-note{font-size:10px;letter-spacing:0}.success-panel{padding:22px 0 4px}}
@media(max-width:359px){.page{padding:0 16px}.form-card{padding:23px 17px 17px}.field-grid{grid-template-columns:1fr;gap:18px}.identity-input input{padding-right:101px;font-size:14px}.identity-input button{font-size:11px;padding:0 8px}h1{font-size:33px}.date-label{font-size:10px}.card-heading h2{font-size:18px}}
.preview-notice{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;background:#fff8e9;border:1px solid #ecdfbd;border-radius:8px;padding:10px 12px;margin-bottom:20px;font-size:11px;line-height:1.7;color:#8a7040}.preview-notice button{border:0;background:none;color:#6e613b;padding:3px 0;font-size:12px;text-decoration:underline}.preview-notice span{flex:1 1 190px}
/* 手机标题保留语义分行，避免“送达”被挤成单字一行。 */
@media(max-width:800px){h1 br{display:block}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}