.message-section{padding-block:56px 64px}.message-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}.message-card{min-width:0}.message-card h2,.message-contact h2{margin:0 0 12px;color:var(--color-ink);font-size:22px;font-weight:600;line-height:1.4}.message-intro,.message-contact>p{margin:0 0 28px;color:var(--color-muted);line-height:1.8}.message-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 24px}.message-field{min-width:0}.message-field-wide{grid-column:1 / -1}.message-field label{display:block;margin-bottom:8px;color:var(--color-ink);font-weight:500}.field-required,.field-optional{margin-left:6px;font-size:13px;font-weight:400}.field-required{color:var(--color-brand-dark)}.field-optional{color:var(--color-muted)}.message-field input,.message-field textarea,.calc-field input{display:block;width:100%;min-height:48px;padding:10px 12px;color:var(--color-ink);background:#fff;border:1px solid #a5a198;border-radius:2px;font-size:16px;line-height:1.6}.message-field input::placeholder,.message-field textarea::placeholder,.calc-field input::placeholder{color:#74716a;opacity:1}.message-field textarea{min-height:144px;resize:vertical}.message-field [aria-invalid=true]{border-color:#a4382e}.field-error{min-height:25px;margin:3px 0 4px;color:#a4382e;font-size:14px;line-height:1.6}.field-help{margin:8px 0 0;color:var(--color-muted);font-size:14px}.captcha-field{display:flex;align-items:center;gap:14px}.captcha-field input{flex:1;min-width:0;max-width:180px}.captcha-refresh{flex-shrink:0;padding:0;border:1px solid var(--color-line);background:var(--color-surface);border-radius:2px;overflow:hidden}.captcha-refresh img{display:block;width:140px;height:63px}.message-submit{min-width:180px}.message-readonly{padding:14px 16px;margin:0 0 24px;border-left:3px solid var(--color-brand);background:var(--color-surface);color:var(--color-brand-dark);line-height:1.7}.form-notice{padding:14px 16px;margin:20px 0 0;border-left:3px solid #a4382e;background:#faf1ee;color:#8c352c;line-height:1.7}.form-notice.is-success{border-color:#527145;background:#f0f5ed;color:#3d5e32}.message-again{margin-top:12px}.message-contact{min-width:0;padding:28px;background:var(--color-surface)}.message-contact h2{font-size:20px}.message-contact>p{margin-bottom:24px;font-size:15px}.message-contact dl{margin:0}.message-contact dl>div{margin-bottom:20px}.message-contact dt{margin-bottom:4px;color:var(--color-muted);font-size:14px}.message-contact dd{margin:0;line-height:1.8;overflow-wrap:anywhere}.message-phone{display:inline-flex;align-items:center;min-height:44px;color:var(--color-brand-dark);font-size:22px;font-weight:600}.message-wechat{margin:24px 0 0;padding-top:24px;border-top:1px solid var(--color-line)}.message-wechat img{display:block;width:150px;max-width:100%;height:auto;background:#fff}.message-wechat figcaption{margin-top:12px;color:var(--color-muted);font-size:14px;line-height:1.7}.calculator-section{padding-block:56px 64px}.calculator{color:var(--color-ink)}.calc-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);background:#fff;border:1px solid var(--color-line)}.calc-inputs,.calc-result{min-width:0;padding:32px}.calc-workspace h2{margin:0 0 24px;font-size:20px;font-weight:600}.calc-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 20px}.calc-field{min-width:0}.calc-field label{display:block;margin-bottom:8px;font-size:16px;font-weight:500}.calc-field label span,.calc-label span{color:var(--color-muted);font-size:14px;font-weight:400}.calc-result{border-left:1px solid var(--color-line)}.calc-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:18px;border-bottom:1px solid var(--color-line)}.calc-row:first-of-type{padding-top:0}.calc-value{min-width:0}.calc-label{display:block;color:var(--color-muted);font-size:15px}.calc-row output{display:block;margin-top:8px;color:var(--color-brand-dark);font-size:28px;line-height:1.4;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;-webkit-user-select:text;user-select:text}.copy-button{flex-shrink:0;min-height:44px;padding-inline:14px;font-size:14px}.calc-note{margin:24px 0 0;color:var(--color-muted);font-size:14px;line-height:1.9}.copy-feedback{min-height:25px;margin:16px 0 0;color:#3d5e32;font-size:14px;line-height:1.8;overflow-wrap:anywhere}.copy-feedback.is-error,.calc-error{color:#a4382e}.calc-error{font-size:14px;line-height:1.8;margin:16px 0 0}.error-page{display:flex;flex:1;min-height:460px;padding-block:64px;flex-direction:column;align-items:center;justify-content:center;text-align:center}.error-code{margin:0 0 12px;color:var(--color-brand);font-size:80px;line-height:1.1;font-weight:500}.error-page h1{margin:0 0 16px;font-size:30px;font-weight:600;line-height:1.4}.error-description{max-width:520px;margin:0 0 28px;color:var(--color-muted);line-height:1.9;overflow-wrap:anywhere;text-wrap:balance}.error-contact{margin:24px 0 0;color:var(--color-muted);font-size:14px}.error-contact .text-link{margin-left:8px}@media(max-width:991px){.message-layout{grid-template-columns:minmax(0,1fr);gap:40px}.message-contact{padding:28px}.message-contact dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}.message-contact dl>div:last-child{grid-column:1 / -1}.message-wechat{margin-top:4px}.calc-inputs,.calc-result{padding:24px}}@media(max-width:767px){.message-section{padding-block:32px 40px}.message-fields{grid-template-columns:minmax(0,1fr)}.message-intro{margin-bottom:24px}.message-card h2{font-size:21px}.message-contact{padding:24px}.message-contact dl{display:block}.message-submit{width:100%}.captcha-field{gap:12px}.captcha-refresh img{width:120px;height:54px}.calculator-section{padding-block:32px 40px}.calc-workspace{grid-template-columns:minmax(0,1fr)}.calc-inputs,.calc-result{padding:24px 20px}.calc-fields{gap:20px 16px}.calc-field label{font-size:15px}.calc-field label span{font-size:12px}.calc-result{border-left:0;border-top:1px solid var(--color-line)}.calc-row output{font-size:26px}.error-page{min-height:440px;padding-block:40px}.error-code{font-size:64px}.error-page h1{font-size:25px}.error-page .button-row{justify-content:center}}@media(max-width:359px){.calc-fields{grid-template-columns:minmax(0,1fr)}.calc-row{flex-wrap:wrap}.calc-row .copy-button{margin-left:auto}}