/* Desktop: centered 760px reading column; mobile: 16px gutters, normal document flow. */
.survey-main{max-width:760px;margin:40px auto;padding:0 24px 64px}.survey-main h1{font-size:30px;line-height:1.4;margin:8px 0}.survey-lead{font-size:20px;color:var(--blue)}.survey-main fieldset{min-width:0;border:1px solid var(--line);border-radius:12px;background:white;padding:24px;margin:24px 0}.survey-main legend{font-size:17px;font-weight:700;padding:0 8px;max-width:100%;white-space:normal}.survey-main legend small{font-size:12px;color:var(--muted);font-weight:400}.survey-option{display:flex;align-items:center;gap:12px;min-height:48px;padding:8px;border-radius:8px;cursor:pointer}.survey-option:hover{background:#f0f4ff}.survey-main input[type=checkbox],.survey-main input[type=radio]{width:20px;height:20px;flex-shrink:0;accent-color:var(--blue)}.survey-main textarea{display:block;width:100%;resize:vertical;min-height:120px;padding:12px;border:1px solid #bcc8dc;border-radius:8px}.survey-consent{display:flex;gap:12px;align-items:flex-start;padding:8px 0}.survey-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.survey-actions a{padding:12px 0;color:var(--blue)}#survey-status{min-height:24px;color:#a33126}.survey-success{padding:24px;background:#edf7f0;border-radius:12px}.survey-body header{justify-content:space-between;gap:16px}.survey-body header>a:last-child{min-height:44px;display:flex;align-items:center}.survey-summary{white-space:pre-wrap;overflow-wrap:anywhere}@media(max-width:600px){.survey-main{margin:24px auto;padding:0 16px 40px}.survey-main h1{font-size:25px}.survey-main fieldset{padding:16px 12px}.survey-body header{height:auto;min-height:72px;padding:12px 16px}.survey-main legend{font-size:16px}}

/* First-visit dialog: max460px, 16px viewport gutters; native focus trap, Escape/backdrop close. */
.survey-invite-open{overflow:hidden}#survey-invite.survey-modal{box-sizing:border-box;position:fixed;inset:0;margin:auto;width:calc(100% - 32px);max-width:460px;max-height:calc(100dvh - 32px);overflow:auto;border:1px solid #dbe4ef;border-radius:20px;padding:32px;color:#20324b;background:#fff;text-align:center;box-shadow:0 24px 80px #14213d33;font:15px/1.8 system-ui,"Microsoft YaHei",sans-serif}#survey-invite::backdrop{background:#14213d88}.survey-modal-close{position:absolute;top:8px;right:8px;width:44px;height:44px;border:0;border-radius:50%;background:transparent;font:26px/1 system-ui;color:#586982;cursor:pointer}.survey-modal-icon{display:block;margin:8px auto 20px;border-radius:16px}.survey-modal-kicker{font-size:12px;color:#68788b;margin:0 0 8px}#survey-invite h2{font-size:25px;margin:0 0 12px;line-height:1.5}#survey-invite-copy{font-size:14px;color:#68788b;margin:0 0 24px}.survey-modal-primary,.survey-modal-skip{display:flex;align-items:center;justify-content:center;box-sizing:border-box;width:100%;min-height:48px;padding:12px;border-radius:10px;text-decoration:none;font:600 14px/1.6 system-ui,"Microsoft YaHei",sans-serif;cursor:pointer}.survey-modal-primary{background:#2456e8;color:white;border:1px solid #2456e8}.survey-modal-skip{background:white;color:#5b6f8e;border:1px solid #dbe4ef;margin-top:12px}#survey-invite small{display:block;color:#7b8798;font-size:11px;margin-top:16px}#survey-invite :focus-visible{outline:3px solid #8bb0ff;outline-offset:3px}@media(max-width:480px){#survey-invite.survey-modal{padding:28px 24px}}