{"id":65833,"date":"2026-04-17T20:22:53","date_gmt":"2026-04-17T17:22:53","guid":{"rendered":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/pryamye-lestnicy-na-zakaz\/"},"modified":"2026-04-21T21:23:15","modified_gmt":"2026-04-21T18:23:15","slug":"pryamye-lestnicy-na-zakaz","status":"publish","type":"page","link":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/pryamye-lestnicy-na-zakaz\/","title":{"rendered":"\u041f\u0440\u044f\u043c\u0456 \u0441\u0445\u043e\u0434\u0438 \u043d\u0430 \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0432 \u041a\u0438\u0454\u0432\u0456 \u2014 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043e\u043d\u043b\u0430\u0439\u043d"},"content":{"rendered":"<div class=\"stair-layout\">\n\n  <main class=\"content\">\n\n    <section class=\"hero\">\n      <p class=\"subtitle\">\n        \u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u043f\u0440\u044f\u043c\u0438\u0445 \u0434\u0435\u0440\u0435\u0432'\u044f\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432 \u0437 \u043c\u0430\u0441\u0438\u0432\u0443 \u0434\u0443\u0431\u0430, \u044f\u0441\u0435\u043d\u0430, \u0431\u0443\u043a\u0430 \u0442\u0430 \u0441\u043e\u0441\u043d\u0438.\n        \u041e\u043d\u043b\u0430\u0439\u043d-\u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0446\u0456\u043d\u0438 \u0437 \u0443\u0440\u0430\u0445\u0443\u0432\u0430\u043d\u043d\u044f\u043c \u0414\u0411\u041d \u0412.2.2-9, \u0437\u0430\u043c\u0456\u0440, \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u043e \u0442\u0430 \u043c\u043e\u043d\u0442\u0430\u0436 \u043f\u0456\u0434 \u043a\u043b\u044e\u0447.\n      <\/p>\n      <div class=\"hero-features\">\n        <div class=\"hero-feature\"><strong>\u0432\u0456\u0434 25 000 \u20b4<\/strong><span>\u0421\u043e\u0441\u043d\u0430 \u043f\u0456\u0434 \u043a\u043b\u044e\u0447<\/span><\/div>\n        <div class=\"hero-feature\"><strong>14\u201321 \u0434\u0435\u043d\u044c<\/strong><span>\u0422\u0435\u0440\u043c\u0456\u043d \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/span><\/div>\n        <div class=\"hero-feature\"><strong>5 \u0440\u043e\u043a\u0456\u0432<\/strong><span>\u0413\u0430\u0440\u0430\u043d\u0442\u0456\u044f \u043d\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044e<\/span><\/div>\n        <div class=\"hero-feature\"><strong>\u0414\u0411\u041d \u0412.2.2-9<\/strong><span>\u0412\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u043d\u0456\u0441\u0442\u044c \u043d\u043e\u0440\u043c\u0430\u043c<\/span><\/div>\n      <\/div>\n    <\/section>\n\n\n\n                <section class=\"pro-calc-banner pro-calc-banner--3d\">\n              <div class=\"pro-calc-banner-grid\">\n                <div class=\"pro-calc-banner-visual\" aria-hidden=\"true\">\n                  <svg class=\"pro-3d-stairs\" viewBox=\"0 0 180 180\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n                    <g stroke=\"rgba(255,255,255,0.25)\" stroke-width=\"1\" stroke-linejoin=\"round\">\n                      <polygon points=\"10,130 70,160 130,130 70,100\" fill=\"#c65d10\"\/>\n                      <polygon points=\"10,130 10,150 70,180 70,160\" fill=\"#8d3f05\"\/>\n                      <polygon points=\"130,130 130,150 70,180 70,160\" fill=\"#a64a07\"\/>\n                      <polygon points=\"40,100 100,130 160,100 100,70\" fill=\"#e67e22\"\/>\n                      <polygon points=\"40,100 40,120 100,150 100,130\" fill=\"#a8570d\"\/>\n                      <polygon points=\"160,100 160,120 100,150 100,130\" fill=\"#c66510\"\/>\n                      <polygon points=\"70,70 130,100 170,80 110,50\" fill=\"#f39c41\"\/>\n                      <polygon points=\"70,70 70,90 130,120 130,100\" fill=\"#c66510\"\/>\n                      <polygon points=\"170,80 170,100 130,120 130,100\" fill=\"#d46d16\"\/>\n                    <\/g>\n                  <\/svg>\n                  <span class=\"pro-calc-banner-badge\">3D<\/span>\n                <\/div>\n                <div class=\"pro-calc-banner-content\">\n                  <h2 class=\"pro-calc-banner-title\">3D-\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n                  <p class=\"pro-calc-banner-subtitle\">\u041e\u0433\u043b\u044f\u043d\u044c\u0442\u0435 \u0441\u0432\u043e\u044e \u043c\u0430\u0439\u0431\u0443\u0442\u043d\u044e \u0441\u0445\u043e\u0434\u0443 \u0437 \u0443\u0441\u0456\u0445 \u0431\u043e\u043a\u0456\u0432 \u0449\u0435 \u0434\u043e \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f. \u0406\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u0430 3D-\u043c\u043e\u0434\u0435\u043b\u044c, \u0430\u0432\u0442\u043e\u043f\u0456\u0434\u0431\u0456\u0440 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0456\u0432, \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0430 \u0437\u0430 \u0414\u0411\u041d.<\/p>\n                  <ul class=\"pro-calc-banner-features\">\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83d\udd04<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>3D-\u043c\u043e\u0434\u0435\u043b\u044c \u0437 \u043e\u0431\u0435\u0440\u0442\u0430\u043d\u043d\u044f\u043c<\/strong>\n                          <span>\u041e\u0433\u043b\u044f\u0434 \u043f\u0456\u0434 \u0431\u0443\u0434\u044c-\u044f\u043a\u0438\u043c \u043a\u0443\u0442\u043e\u043c, \u0432\u0438\u0434 \u0437\u0431\u043e\u043a\u0443, \u0437\u0432\u0435\u0440\u0445\u0443, \u0434\u0435\u0442\u0430\u043b\u044c \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83e\udeb5<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>14 \u0442\u0438\u043f\u0456\u0432 \u0441\u0445\u043e\u0434\u0456\u0432<\/strong>\n                          <span>\u0414\u0435\u0440\u0435\u0432\u2019\u044f\u043d\u0456, \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0456, \u0431\u0435\u0442\u043e\u043d\u043d\u0456 \u2014 \u043e\u0431\u0440\u0430\u0442\u0438 \u043d\u0430\u0439\u043a\u0440\u0430\u0449\u0438\u0439<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83e\uddee<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u0410\u0432\u0442\u043e\u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441 \u0437 \u0446\u0456\u043d\u0430\u043c\u0438<\/strong>\n                          <span>\u041a\u0443\u0431\u0430\u0442\u0443\u0440\u0430 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0443, \u043a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0435\u043b\u0435\u043c\u0435\u043d\u0442\u0456\u0432, \u0432\u0430\u0440\u0442\u0456\u0441\u0442\u044c<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\u2705<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u041f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0430 \u0437\u0430 \u0414\u0411\u041d<\/strong>\n                          <span>\u0410\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u043d\u0438\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0432\u0438\u0441\u043e\u0442\u0438\/\u0433\u043b\u0438\u0431\u0438\u043d\u0438\/\u043a\u0443\u0442\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0430\u043c\u0438<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83d\udcd1<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u0415\u043a\u0441\u043f\u043e\u0440\u0442 \u0443 PDF<\/strong>\n                          <span>\u0413\u043e\u0442\u043e\u0432\u0435 \u043a\u0440\u0435\u0441\u043b\u0435\u043d\u043d\u044f \u0434\u043b\u044f \u043c\u0430\u0439\u0441\u0442\u0440\u0430 \u2014 \u0440\u043e\u0437\u0434\u0440\u0443\u043a\u0443\u0432\u0430\u0442\u0438 \u0430\u0431\u043e \u0437\u0431\u0435\u0440\u0435\u0433\u0442\u0438<\/span>\n                        <\/span>\n                      <\/li>\n                                          <li>\n                        <span class=\"pro-calc-feat-icon\" aria-hidden=\"true\">\ud83c\udfa8<\/span>\n                        <span class=\"pro-calc-feat-text\">\n                          <strong>\u041f\u043e\u0440\u043e\u0434\u0438 \u0434\u0435\u0440\u0435\u0432\u0430<\/strong>\n                          <span>\u0414\u0443\u0431, \u044f\u0441\u0435\u043d, \u0431\u0443\u043a, \u0441\u043e\u0441\u043d\u0430 \u2014 \u0437 \u0442\u043e\u0447\u043d\u043e\u044e \u0446\u0456\u043d\u043e\u044e \u0437\u0430 \u043a\u043e\u0436\u043d\u0443<\/span>\n                        <\/span>\n                      <\/li>\n                                      <\/ul>\n                  <div class=\"pro-calc-banner-cta\">\n                    <a href=\"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/kalkulyator-lestnicz-na-zakaz\/?view=iso\" class=\"pro-calc-banner-button\">\n                      \u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0438 3D-\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440                      <span aria-hidden=\"true\">\u2192<\/span>\n                    <\/a>\n                    <p class=\"pro-calc-banner-note\">\u041d\u0438\u0436\u0447\u0435 \u2014 \u0448\u0432\u0438\u0434\u043a\u0438\u0439 \u043f\u043e\u043f\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/p>\n                  <\/div>\n                <\/div>\n              <\/div>\n            <\/section>\n            \n    <section class=\"calc-wrapper\" id=\"kalkulyator\" aria-labelledby=\"calc-title\">\n      <div class=\"calc-header\">\n        <h2 id=\"calc-title\">\u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u043f\u0440\u044f\u043c\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n        <p>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0437\u0430 \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u044e \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f \u0437 \u0443\u0440\u0430\u0445\u0443\u0432\u0430\u043d\u043d\u044f\u043c \u0414\u0411\u041d \u0412.2.2-9<\/p>\n      <\/div>\n      <div class=\"calc-body\">\n        <div class=\"calc-inputs\">\n\n          <div class=\"calc-section-title\">\u0420\u043e\u0437\u043c\u0456\u0440\u0438 \u043f\u0440\u043e\u0440\u0456\u0437\u0443<\/div>\n          <div class=\"input-group\">\n            <label>\u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u043e\u0440\u0456\u0437\u0443 <span class=\"hint\">\u0432\u0456\u0434 \u043f\u0456\u0434\u043b\u043e\u0433\u0438 \u0434\u043e \u043f\u0456\u0434\u043b\u043e\u0433\u0438<\/span><\/label>\n            <div style=\"display:flex; gap:8px;\">\n              <input type=\"number\" id=\"height\" value=\"2700\" min=\"1800\" max=\"4500\" step=\"10\">\n              <select id=\"height-unit\" style=\"width:70px;\">\n                <option value=\"1\">\u043c\u043c<\/option><option value=\"10\">\u0441\u043c<\/option><option value=\"1000\">\u043c<\/option>\n              <\/select>\n            <\/div>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0414\u043e\u0432\u0436\u0438\u043d\u0430 \u043f\u0440\u043e\u0435\u043a\u0446\u0456\u0457 <span class=\"hint\">\u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u043e<\/span><\/label>\n            <input type=\"number\" id=\"length\" value=\"3500\" min=\"1000\" max=\"8000\" step=\"10\">\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0428\u0438\u0440\u0438\u043d\u0430 \u0441\u0445\u043e\u0434\u0456\u0432 <span class=\"hint\">\u043c\u0456\u043d. 900 \u043c\u043c<\/span><\/label>\n            <input type=\"number\" id=\"width\" value=\"1000\" min=\"700\" max=\"2000\" step=\"10\">\n          <\/div>\n\n          <div class=\"calc-section-title\">\u0421\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/div>\n          <div class=\"input-row\">\n            <div class=\"input-group\">\n              <label>\u0422\u043e\u0432\u0449\u0438\u043d\u0430 \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0443<\/label>\n              <input type=\"number\" id=\"step-thickness\" value=\"40\" min=\"20\" max=\"80\" step=\"1\">\n            <\/div>\n            <div class=\"input-group\">\n              <label>\u0417\u0432\u0438\u0441 <span class=\"hint\">\u043c\u043c<\/span><\/label>\n              <input type=\"number\" id=\"overhang\" value=\"30\" min=\"0\" max=\"50\" step=\"1\">\n            <\/div>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u0456\u0434\u0441\u0442\u0443\u043f\u0456\u043d\u043e\u043a<\/label>\n            <select id=\"riser\">\n              <option value=\"yes\">\u0417\u0430\u043a\u0440\u0438\u0442\u0438\u0439 (\u0437 \u043f\u0456\u0434\u0441\u0442\u0443\u043f\u0456\u043d\u043a\u043e\u043c)<\/option>\n              <option value=\"no\" selected>\u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0438\u0439 (\u0431\u0435\u0437 \u043f\u0456\u0434\u0441\u0442\u0443\u043f\u0456\u043d\u043a\u0430)<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u041a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f<\/div>\n          <div class=\"input-group\">\n            <label>\u0422\u0438\u043f \u043e\u043f\u043e\u0440\u0438<\/label>\n            <select id=\"type\">\n              <option value=\"tyativa\">\u041d\u0430 \u0442\u044f\u0442\u0438\u0432\u0456<\/option>\n              <option value=\"kosour\" selected>\u041d\u0430 \u043a\u043e\u0441\u043e\u0443\u0440\u0456<\/option>\n              <option value=\"boltsy\">\u041d\u0430 \u0431\u043e\u043b\u044c\u0446\u0430\u0445<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0456\u0432<\/label>\n            <select id=\"material\">\n              <option value=\"sosna\">\u0421\u043e\u0441\u043d\u0430<\/option>\n              <option value=\"dub\" selected>\u0414\u0443\u0431<\/option>\n              <option value=\"yasen\">\u042f\u0441\u0435\u043d<\/option>\n              <option value=\"buk\">\u0411\u0443\u043a<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u043a\u043e\u0441\u043e\u0443\u0440\u0443 \/ \u0442\u044f\u0442\u0438\u0432\u0438<\/label>\n            <select id=\"material-support\">\n              <option value=\"sosna\" selected>\u0421\u043e\u0441\u043d\u0430 (\u0435\u043a\u043e\u043d\u043e\u043c)<\/option>\n              <option value=\"dub\">\u0414\u0443\u0431<\/option>\n              <option value=\"yasen\">\u042f\u0441\u0435\u043d<\/option>\n              <option value=\"buk\">\u0411\u0443\u043a<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u0414\u043e\u0434\u0430\u0442\u043a\u043e\u0432\u0456 \u043e\u043f\u0446\u0456\u0457<\/div>\n          <div class=\"input-group\">\n            <label>\u0411\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0430 (\u043f\u043e\u0440\u0443\u0447\u043d\u0456 + \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438)<\/label>\n            <select id=\"balustrade\">\n              <option value=\"no\">\u041d\u0435 \u043f\u043e\u0442\u0440\u0456\u0431\u043d\u0430<\/option>\n              <option value=\"one\" selected>\u0417 \u043e\u0434\u043d\u043e\u0433\u043e \u0431\u043e\u043a\u0443<\/option>\n              <option value=\"two\">\u0417 \u0434\u0432\u043e\u0445 \u0431\u043e\u043a\u0456\u0432<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u043e\u043a\u0440\u0438\u0442\u0442\u044f<\/label>\n            <select id=\"coating\">\n              <option value=\"none\">\u0411\u0435\u0437 \u043f\u043e\u043a\u0440\u0438\u0442\u0442\u044f<\/option>\n              <option value=\"lak\" selected>\u041b\u0430\u043a (2 \u0448\u0430\u0440\u0438)<\/option>\n              <option value=\"oil\">\u041e\u043b\u0456\u044f-\u0432\u0456\u0441\u043a<\/option>\n              <option value=\"stain\">\u041c\u043e\u0440\u0438\u043b\u043a\u0430 + \u043b\u0430\u043a<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0420\u043e\u0431\u043e\u0442\u0438<\/label>\n            <select id=\"works\">\n              <option value=\"material\">\u0422\u0456\u043b\u044c\u043a\u0438 \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b<\/option>\n              <option value=\"production\" selected>\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/option>\n              <option value=\"full\">\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f + \u043c\u043e\u043d\u0442\u0430\u0436<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0420\u0435\u0433\u0456\u043e\u043d<\/label>\n            <select id=\"region\">\n              <option value=\"kyiv\" selected>\u041a\u0438\u0457\u0432 \/ \u043e\u0431\u043b\u0430\u0441\u0442\u044c<\/option>\n              <option value=\"large\">\u041e\u0431\u043b\u0430\u0441\u043d\u0438\u0439 \u0446\u0435\u043d\u0442\u0440<\/option>\n              <option value=\"other\">\u0406\u043d\u0448\u0438\u0439 \u0440\u0435\u0433\u0456\u043e\u043d<\/option>\n            <\/select>\n          <\/div>\n\n          <button class=\"btn btn-primary\" style=\"width:100%; margin-top:12px;\" onclick=\"calculate()\">\n            \u0420\u043e\u0437\u0440\u0430\u0445\u0443\u0432\u0430\u0442\u0438\n          <\/button>\n        <\/div>\n\n        <div class=\"calc-visual\">\n          <div class=\"result-summary\">\n            <div class=\"result-card\"><div class=\"label\">\u0421\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/div><div class=\"value\" id=\"r-count\">16<span class=\"unit\">\u0448\u0442<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/div><div class=\"value\" id=\"r-step-h\">169<span class=\"unit\">\u043c\u043c<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/div><div class=\"value\" id=\"r-step-d\">219<span class=\"unit\">\u043c\u043c<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u041a\u0443\u0442 \u043d\u0430\u0445\u0438\u043b\u0443<\/div><div class=\"value\" id=\"r-angle\">37.6<span class=\"unit\">\u00b0<\/span><\/div><\/div>\n          <\/div>\n\n          <div class=\"drawing-container\">\n            <svg id=\"stairs-svg\" viewBox=\"0 0 800 420\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><\/svg>\n          <\/div>\n\n          <div class=\"comfort-bar\">\n            <div class=\"comfort-label\">\n              <span>\u0417\u0440\u0443\u0447\u043d\u0456\u0441\u0442\u044c \u0437\u0430 \u0444\u043e\u0440\u043c\u0443\u043b\u043e\u044e \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f (2h + d)<\/span>\n              <strong id=\"comfort-value\">613 \u043c\u043c<\/strong>\n            <\/div>\n            <div class=\"comfort-scale\"><div class=\"comfort-indicator\" id=\"comfort-indicator\" style=\"left:50%\"><\/div><\/div>\n            <div class=\"comfort-scale-labels\">\n              <span>550<\/span><span>600 \u2014 640 (\u0456\u0434\u0435\u0430\u043b)<\/span><span>700<\/span>\n            <\/div>\n          <\/div>\n\n          <div class=\"warnings\" id=\"warnings\"><\/div>\n\n          <table class=\"detail-table\">\n            <tr><td>\u041a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0456\u0432<\/td><td id=\"d-treads\">15<\/td><\/tr>\n            <tr><td>\u0414\u043e\u0432\u0436\u0438\u043d\u0430 \u043a\u043e\u0441\u043e\u0443\u0440\u0443\/\u0442\u044f\u0442\u0438\u0432\u0438<\/td><td id=\"d-support\">4420 \u043c\u043c<\/td><\/tr>\n            <tr><td>\u041f\u043b\u043e\u0449\u0430 \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0456\u0432<\/td><td id=\"d-area\">3.29 \u043c\u00b2<\/td><\/tr>\n          <\/table>\n\n          <div class=\"price-block\" id=\"price-block\">\n            <div class=\"price-block-title\">\u041e\u0440\u0456\u0454\u043d\u0442\u043e\u0432\u043d\u0430 \u0432\u0430\u0440\u0442\u0456\u0441\u0442\u044c<\/div>\n            <table class=\"detail-table price-breakdown\" id=\"price-breakdown\"><\/table>\n            <div class=\"price-total\">\n              <span>\u0420\u0430\u0437\u043e\u043c \u043f\u0456\u0434 \u043a\u043b\u044e\u0447<\/span>\n              <strong id=\"price-total\">\u2014 \u0433\u0440\u043d<\/strong>\n            <\/div>\n            <div class=\"price-disclaimer\">\n              \u24d8 \u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043e\u0440\u0456\u0454\u043d\u0442\u043e\u0432\u043d\u0438\u0439 (\u00b115-20%). \u0422\u043e\u0447\u043d\u0443 \u0446\u0456\u043d\u0443 \u043d\u0430\u0434\u0430\u0441\u0442\u044c \u043c\u0430\u0439\u0441\u0442\u0435\u0440 \u043f\u0456\u0441\u043b\u044f \u0437\u0430\u043c\u0456\u0440\u0456\u0432 \u043d\u0430 \u043e\u0431'\u0454\u043a\u0442\u0456.\n            <\/div>\n          <\/div>\n\n          <div class=\"calc-actions\">\n            <button class=\"btn btn-primary\" onclick=\"openOrderModal()\">\ud83d\udcde \u041e\u0442\u0440\u0438\u043c\u0430\u0442\u0438 \u0442\u043e\u0447\u043d\u0438\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/button>\n            <button class=\"btn btn-secondary\" onclick=\"alert('PDF-\u0435\u043a\u0441\u043f\u043e\u0440\u0442 \u0431\u0443\u0434\u0435 \u0440\u0435\u0430\u043b\u0456\u0437\u043e\u0432\u0430\u043d\u043e')\">\ud83d\udcc4 \u0417\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0438\u0442\u0438 PDF<\/button>\n            <button class=\"btn btn-secondary\" onclick=\"alert('Email-\u0444\u043e\u0440\u043c\u0430 \u0431\u0443\u0434\u0435 \u0440\u0435\u0430\u043b\u0456\u0437\u043e\u0432\u0430\u043d\u0430')\">\u2709\ufe0f \u041d\u0430 email<\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <!-- \u041f\u0415\u0420\u0415\u0412\u0410\u0413\u0418 -->\n    <section class=\"content-block\">\n      <h2>\u0427\u043e\u043c\u0443 \u043f\u0440\u044f\u043c\u0456 \u0441\u0445\u043e\u0434\u0438 \u2014 \u043d\u0430\u0439\u043a\u0440\u0430\u0449\u0438\u0439 \u0432\u0438\u0431\u0456\u0440 \u0434\u043b\u044f \u0434\u043e\u043c\u0443<\/h2>\n      <p>\n        \u041f\u0440\u044f\u043c\u0456 \u043e\u0434\u043d\u043e\u043c\u0430\u0440\u0448\u043e\u0432\u0456 \u0441\u0445\u043e\u0434\u0438 \u2014 \u043d\u0430\u0439\u043f\u043e\u0448\u0438\u0440\u0435\u043d\u0456\u0448\u0430 \u0456 \u043d\u0430\u0439\u0440\u0430\u0446\u0456\u043e\u043d\u0430\u043b\u044c\u043d\u0456\u0448\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f.\n        \u0412\u043e\u043d\u0438 \u0437\u0430\u0439\u043c\u0430\u044e\u0442\u044c \u0432\u0438\u0434\u043e\u0432\u0436\u0435\u043d\u0443 \u0437\u043e\u043d\u0443 \u0432\u0437\u0434\u043e\u0432\u0436 \u0441\u0442\u0456\u043d\u0438, \u043f\u0440\u043e\u0441\u0442\u0456 \u0443 \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u0456 \u0442\u0430 \u043d\u0435 \u043c\u0430\u044e\u0442\u044c\n        \u00ab\u0441\u043b\u0456\u043f\u0438\u0445 \u0437\u043e\u043d\u00bb \u043f\u0456\u0434 \u0447\u0430\u0441 \u043f\u0456\u0434\u0439\u043e\u043c\u0443: \u0432\u0435\u0441\u044c \u0448\u043b\u044f\u0445 \u043f\u0440\u043e\u0433\u043b\u044f\u0434\u0430\u0454\u0442\u044c\u0441\u044f \u0432\u0456\u0434 \u043f\u043e\u0447\u0430\u0442\u043a\u0443 \u0434\u043e \u043a\u0456\u043d\u0446\u044f.\n        \u041f\u0456\u0434\u0445\u043e\u0434\u044f\u0442\u044c \u0434\u043b\u044f \u043f\u0440\u0438\u0432\u0430\u0442\u043d\u0438\u0445 \u0431\u0443\u0434\u0438\u043d\u043a\u0456\u0432, \u0434\u0443\u043f\u043b\u0435\u043a\u0441\u0456\u0432, \u043a\u043e\u0442\u0435\u0434\u0436\u0456\u0432 \u0442\u0430 \u0434\u0432\u043e\u0440\u0456\u0432\u043d\u0435\u0432\u0438\u0445 \u043a\u0432\u0430\u0440\u0442\u0438\u0440 \u0456\u0437 \u0432\u0438\u0441\u043e\u0442\u043e\u044e\n        \u043f\u0440\u043e\u0440\u0456\u0437\u0443 2,4\u20133,3 \u043c.\n      <\/p>\n      <div class=\"advantages-grid\">\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfd7\ufe0f<\/span><h3>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0430 \u043c\u0456\u0446\u043d\u0456\u0441\u0442\u044c<\/h3><p>\u041f\u0440\u044f\u043c\u0438\u0439 \u043a\u043e\u0441\u043e\u0443\u0440 \u0431\u0435\u0437 \u0437\u043b\u0430\u043c\u0456\u0432 \u2014 \u043d\u0430\u0439\u043d\u0430\u0434\u0456\u0439\u043d\u0456\u0448\u0430 \u043d\u0435\u0441\u0443\u0447\u0430 \u0441\u0445\u0435\u043c\u0430. \u0412\u0438\u0442\u0440\u0438\u043c\u0443\u0454 \u0434\u043e 300 \u043a\u0433 \u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0443.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udd28<\/span><h3>\u041f\u0440\u043e\u0441\u0442\u043e\u0442\u0430 \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/h3><p>\u041d\u0435\u043c\u0430\u0454 \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a \u2014 \u043d\u0438\u0436\u0447\u0430 \u0441\u043e\u0431\u0456\u0432\u0430\u0440\u0442\u0456\u0441\u0442\u044c \u0456 \u043a\u043e\u0440\u043e\u0442\u0448\u0438\u0439 \u0442\u0435\u0440\u043c\u0456\u043d \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u0430.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udcd0<\/span><h3>\u0417\u0440\u0443\u0447\u043d\u0438\u0439 \u043f\u0456\u0434\u0439\u043e\u043c<\/h3><p>\u041e\u0434\u043d\u0430\u043a\u043e\u0432\u0430 \u0432\u0438\u0441\u043e\u0442\u0430 \u0456 \u0433\u043b\u0438\u0431\u0438\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a \u2014 \u0456\u0434\u0435\u0430\u043b\u044c\u043d\u0430 \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u043d\u0456\u0441\u0442\u044c \u0444\u043e\u0440\u043c\u0443\u043b\u0456 \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udca1<\/span><h3>\u041f\u0440\u043e\u0441\u0442\u0456\u0440 \u043f\u0456\u0434 \u0441\u0445\u043e\u0434\u0430\u043c\u0438<\/h3><p>\u041f\u0456\u0434 \u043c\u0430\u0440\u0448\u0435\u043c \u043b\u0438\u0448\u0430\u0454\u0442\u044c\u0441\u044f \u043d\u0456\u0448\u0430 \u2014 \u0448\u0430\u0444\u0430, \u0433\u0430\u0440\u0434\u0435\u0440\u043e\u0431, \u0440\u043e\u0431\u043e\u0447\u0435 \u043c\u0456\u0441\u0446\u0435 \u0447\u0438 \u043a\u043e\u043c\u043e\u0440\u0430.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udc76<\/span><h3>\u0411\u0435\u0437\u043f\u0435\u043a\u0430 \u0434\u043b\u044f \u0434\u0456\u0442\u0435\u0439<\/h3><p>\u0412\u0456\u0434\u0441\u0443\u0442\u043d\u0456\u0441\u0442\u044c \u0437\u0430\u0431\u0456\u0436\u043d\u0438\u0445 \u043a\u0443\u0442\u0456\u0432 \u0437\u043d\u0438\u0436\u0443\u0454 \u0440\u0438\u0437\u0438\u043a \u043f\u0430\u0434\u0456\u043d\u043d\u044f.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfa8<\/span><h3>\u0421\u0432\u043e\u0431\u043e\u0434\u0430 \u0434\u0438\u0437\u0430\u0439\u043d\u0443<\/h3><p>\u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0430 \u0447\u0438 \u0437\u0430\u043a\u0440\u0438\u0442\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f, \u043f\u043e\u0440\u0443\u0447\u043d\u0456 \u0437 \u0434\u0435\u0440\u0435\u0432\u0430, \u043c\u0435\u0442\u0430\u043b\u0443 \u0430\u0431\u043e \u0441\u043a\u043b\u0430.<\/p><\/div>\n      <\/div>\n    <\/section>\n\n    <!-- \u041c\u0410\u0422\u0415\u0420\u0406\u0410\u041b\u0418 -->\n    <section class=\"content-block\">\n      <h2>\u041f\u043e\u0440\u043e\u0434\u0438 \u0434\u0435\u0440\u0435\u0432\u0430 \u0434\u043b\u044f \u043f\u0440\u044f\u043c\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n      <p>\u041c\u0438 \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u044f\u0454\u043c\u043e \u0441\u0445\u043e\u0434\u0438 \u0437 \u0447\u043e\u0442\u0438\u0440\u044c\u043e\u0445 \u043e\u0441\u043d\u043e\u0432\u043d\u0438\u0445 \u043f\u043e\u0440\u0456\u0434. \u0423\u0441\u0456 \u0437\u0430\u0433\u043e\u0442\u043e\u0432\u043a\u0438 \u2014 \u0441\u0443\u0445\u0430 \u043e\u0431\u0440\u0456\u0437\u043d\u0430 \u0434\u043e\u0448\u043a\u0430 1\u20132 \u0441\u043e\u0440\u0442\u0443, \u043a\u0430\u043c\u0435\u0440\u043d\u0435 \u0441\u0443\u0448\u0456\u043d\u043d\u044f \u0434\u043e 8\u201312 % \u0432\u043e\u043b\u043e\u0433\u043e\u0441\u0442\u0456.<\/p>\n      <table class=\"materials-table\">\n        <thead><tr><th>\u041f\u043e\u0440\u043e\u0434\u0430<\/th><th>\u0422\u0432\u0435\u0440\u0434\u0456\u0441\u0442\u044c<\/th><th>\u0429\u0456\u043b\u044c\u043d\u0456\u0441\u0442\u044c, \u043a\u0433\/\u043c\u00b3<\/th><th>\u0426\u0456\u043d\u0430, \u0433\u0440\u043d\/\u043c\u00b3<\/th><th>\u0420\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0456\u044f<\/th><\/tr><\/thead>\n        <tbody>\n          <tr><td><strong>\u0421\u043e\u0441\u043d\u0430<\/strong><\/td><td>1,6<\/td><td>500<\/td><td class=\"price\">15 000<\/td><td>\u0415\u043a\u043e\u043d\u043e\u043c, \u0434\u0430\u0447\u0430<\/td><\/tr>\n          <tr><td><strong>\u0411\u0443\u043a<\/strong><\/td><td>3,8<\/td><td>680<\/td><td class=\"price\">38 000<\/td><td>\u0421\u0432\u0456\u0442\u043b\u0438\u0439 \u0442\u043e\u043d, \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u0431\u044e\u0434\u0436\u0435\u0442<\/td><\/tr>\n          <tr><td><strong>\u042f\u0441\u0435\u043d<\/strong><\/td><td>4,0<\/td><td>690<\/td><td class=\"price\">48 000<\/td><td>\u0412\u0438\u0440\u0430\u0436\u0435\u043d\u0430 \u0442\u0435\u043a\u0441\u0442\u0443\u0440\u0430<\/td><\/tr>\n          <tr><td><strong>\u0414\u0443\u0431<\/strong><\/td><td>3,9<\/td><td>700<\/td><td class=\"price\">58 000<\/td><td>\u041f\u0440\u0435\u043c\u0456\u0443\u043c, \u043a\u043b\u0430\u0441\u0438\u043a\u0430<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/section>\n\n    <!-- \u0414\u0411\u041d -->\n    <section class=\"content-block\">\n      <h2>\u041d\u043e\u0440\u043c\u0438 \u0414\u0411\u041d \u0412.2.2-9 \u0456 \u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f<\/h2>\n      <p>\u0412 \u0423\u043a\u0440\u0430\u0457\u043d\u0456 \u0441\u0445\u043e\u0434\u0438 \u043f\u0440\u043e\u0454\u043a\u0442\u0443\u044e\u0442\u044c\u0441\u044f \u0437\u0430 <strong>\u0414\u0411\u041d \u0412.2.2-9:2018<\/strong>. \u041a\u043b\u044e\u0447\u043e\u0432\u0456 \u0432\u0438\u043c\u043e\u0433\u0438:<\/p>\n      <ul>\n        <li>\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u2014 <strong>150\u2013180 \u043c\u043c<\/strong>, \u043e\u043f\u0442\u0438\u043c\u0443\u043c 170 \u043c\u043c.<\/li>\n        <li>\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u2014 <strong>250\u2013320 \u043c\u043c<\/strong>, \u043e\u043f\u0442\u0438\u043c\u0443\u043c 270\u2013290 \u043c\u043c.<\/li>\n        <li>\u041a\u0443\u0442 \u043d\u0430\u0445\u0438\u043b\u0443 \u2014 <strong>30\u201345\u00b0<\/strong>, \u043a\u043e\u043c\u0444\u043e\u0440\u0442 33\u201338\u00b0.<\/li>\n        <li>\u0428\u0438\u0440\u0438\u043d\u0430 \u043c\u0430\u0440\u0448\u0443 \u2014 \u043d\u0435 \u043c\u0435\u043d\u0448\u0435 <strong>900 \u043c\u043c<\/strong>.<\/li>\n        <li>\u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u043e\u0440\u0443\u0447\u043d\u0456\u0432 \u2014 \u043d\u0435 \u043c\u0435\u043d\u0448\u0435 <strong>900 \u043c\u043c<\/strong>, \u043f\u0440\u043e\u043c\u0456\u0436\u043e\u043a \u043c\u0456\u0436 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0430\u043c\u0438 \u2014 \u043d\u0435 \u0431\u0456\u043b\u044c\u0448\u0435 150 \u043c\u043c.<\/li>\n        <li>\u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u0443 \u043d\u0430\u0434 \u0441\u0445\u043e\u0434\u0430\u043c\u0438 \u2014 \u043d\u0435 \u043c\u0435\u043d\u0448\u0435 <strong>2000 \u043c\u043c<\/strong>.<\/li>\n      <\/ul>\n      <h3>\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f (2h + d)<\/h3>\n      <p style=\"text-align:center; font-size:18px; padding:14px; background:var(--bg); border-radius:8px; font-family:monospace;\">\n        <strong>2h + d = 600\u2013640 \u043c\u043c<\/strong>\n      <\/p>\n    <\/section>\n\n    <!-- \u0415\u0422\u0410\u041f\u0418 -->\n    <section class=\"content-block\">\n      <h2>\u042f\u043a \u043c\u0438 \u043f\u0440\u0430\u0446\u044e\u0454\u043c\u043e<\/h2>\n      <div class=\"steps-grid\">\n        <div class=\"step-card\"><h3>\u041e\u043d\u043b\u0430\u0439\u043d-\u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/h3><p>\u0412\u0438 \u0437\u0430\u0434\u0430\u0454\u0442\u0435 \u0440\u043e\u0437\u043c\u0456\u0440\u0438 \u0432 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0456 \u0439 \u043e\u0442\u0440\u0438\u043c\u0443\u0454\u0442\u0435 \u043e\u0440\u0456\u0454\u043d\u0442\u0438\u0440 \u0446\u0456\u043d\u0438 \u0437\u0430 30 \u0441\u0435\u043a\u0443\u043d\u0434.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0417\u0430\u043c\u0456\u0440 \u043d\u0430 \u043e\u0431'\u0454\u043a\u0442\u0456<\/h3><p>\u0411\u0435\u0437\u043a\u043e\u0448\u0442\u043e\u0432\u043d\u0438\u0439 \u0432\u0438\u0457\u0437\u0434 \u043c\u0430\u0439\u0441\u0442\u0440\u0430 \u043f\u043e \u041a\u0438\u0454\u0432\u0443 \u0439 \u043e\u0431\u043b\u0430\u0441\u0442\u0456.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u041a\u0440\u0435\u0441\u043b\u0435\u043d\u043d\u044f \u0456 \u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441<\/h3><p>\u0406\u043d\u0436\u0435\u043d\u0435\u0440\u043d\u0435 \u043a\u0440\u0435\u0441\u043b\u0435\u043d\u043d\u044f \u0456 \u0442\u043e\u0447\u043d\u0438\u0439 \u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441. \u0414\u043e\u0433\u043e\u0432\u0456\u0440, \u0430\u0432\u0430\u043d\u0441 50 %.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/h3><p>\u0412\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u043e \u0443 \u0432\u043b\u0430\u0441\u043d\u043e\u043c\u0443 \u0446\u0435\u0445\u0443. \u0422\u0435\u0440\u043c\u0456\u043d 14\u201321 \u0434\u0435\u043d\u044c.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u041c\u043e\u043d\u0442\u0430\u0436<\/h3><p>\u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0437\u0430 1\u20132 \u0434\u043d\u0456 \u0437 \u043f\u0456\u0434\u0433\u043e\u043d\u043a\u043e\u044e \u0437\u0430 \u043c\u0456\u0441\u0446\u0435\u043c.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0413\u0430\u0440\u0430\u043d\u0442\u0456\u044f 5 \u0440\u043e\u043a\u0456\u0432<\/h3><p>\u041d\u0430 \u043d\u0435\u0441\u0443\u0447\u0443 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044e \u0456 \u043a\u0440\u0456\u043f\u043b\u0435\u043d\u043d\u044f.<\/p><\/div>\n      <\/div>\n    <\/section>\n\n    <!-- FAQ -->\n    <section class=\"content-block\">\n      <h2>\u0427\u0430\u0441\u0442\u0456 \u043f\u0438\u0442\u0430\u043d\u043d\u044f<\/h2>\n      <details class=\"faq-item\" open><summary>\u0421\u043a\u0456\u043b\u044c\u043a\u0438 \u043a\u043e\u0448\u0442\u0443\u044e\u0442\u044c \u043f\u0440\u044f\u043c\u0456 \u0434\u0435\u0440\u0435\u0432'\u044f\u043d\u0456 \u0441\u0445\u043e\u0434\u0438?<\/summary><p>\u0412\u0430\u0440\u0442\u0456\u0441\u0442\u044c \u043f\u0456\u0434 \u043a\u043b\u044e\u0447 \u043f\u043e\u0447\u0438\u043d\u0430\u0454\u0442\u044c\u0441\u044f \u0432\u0456\u0434 <strong>25 000 \u0433\u0440\u043d<\/strong> \u0437\u0430 \u0441\u043e\u0441\u043d\u0443 \u0456 \u0432\u0456\u0434 <strong>75 000 \u0433\u0440\u043d<\/strong> \u0437\u0430 \u0434\u0443\u0431. \u0422\u043e\u0447\u043d\u0438\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u2014 \u0443 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0456 \u0432\u0438\u0449\u0435.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u042f\u043a\u0438\u0439 \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u0438\u0439 \u043a\u0443\u0442 \u043d\u0430\u0445\u0438\u043b\u0443 \u043f\u0440\u044f\u043c\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432?<\/summary><p>\u0417\u0430 \u0414\u0411\u041d \u0412.2.2-9 \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u043d\u0438\u0439 \u043a\u0443\u0442 \u2014 <strong>30\u201345\u00b0<\/strong>. \u041e\u043f\u0442\u0438\u043c\u0443\u043c 37\u201340\u00b0.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0421\u043a\u0456\u043b\u044c\u043a\u0438 \u0447\u0430\u0441\u0443 \u0437\u0430\u0439\u043c\u0430\u0454 \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0456 \u043c\u043e\u043d\u0442\u0430\u0436?<\/summary><p>\u0422\u0435\u0440\u043c\u0456\u043d \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u2014 <strong>14\u201321 \u0440\u043e\u0431\u043e\u0447\u0438\u0439 \u0434\u0435\u043d\u044c<\/strong>. \u041c\u043e\u043d\u0442\u0430\u0436 \u2014 1\u20132 \u0434\u043d\u0456.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0427\u0438\u043c \u0432\u0456\u0434\u0440\u0456\u0437\u043d\u044f\u044e\u0442\u044c\u0441\u044f \u0441\u0445\u043e\u0434\u0438 \u043d\u0430 \u043a\u043e\u0441\u043e\u0443\u0440\u0456 \u0432\u0456\u0434 \u0441\u0445\u043e\u0434\u0456\u0432 \u043d\u0430 \u0442\u044f\u0442\u0438\u0432\u0456?<\/summary><p><strong>\u041a\u043e\u0441\u043e\u0443\u0440<\/strong> \u2014 \u0431\u0430\u043b\u043a\u0430 \u043f\u0456\u0434 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430\u043c\u0438, \u0442\u043e\u0440\u0446\u0456 \u0432\u0438\u0434\u043d\u043e \u0437\u0431\u043e\u043a\u0443. <strong>\u0422\u044f\u0442\u0438\u0432\u0430<\/strong> \u2014 \u0431\u0456\u0447\u043d\u0456 \u0431\u0430\u043b\u043a\u0438, \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u0432\u0440\u0456\u0437\u0430\u044e\u0442\u044c\u0441\u044f \u0437 \u0442\u043e\u0440\u0446\u044f. <strong>\u0411\u043e\u043b\u044c\u0446\u0438<\/strong> \u2014 \u043a\u0440\u0456\u043f\u043b\u0435\u043d\u043d\u044f \u0434\u043e \u0441\u0442\u0456\u043d\u0438 \u043d\u0430 \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0438\u0445 \u0448\u043f\u0438\u043b\u044c\u043a\u0430\u0445, \u0435\u0444\u0435\u043a\u0442 \u00ab\u0448\u0438\u0440\u044f\u044e\u0447\u0438\u0445\u00bb \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u042f\u043a\u0430 \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0430 \u0432\u0438\u0441\u043e\u0442\u0430 \u0441\u0442\u0435\u043b\u0456 \u0434\u043b\u044f \u043f\u0440\u044f\u043c\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432?<\/summary><p>\u041d\u0435 \u043c\u0435\u043d\u0448\u0435 <strong>2400 \u043c\u043c<\/strong>. \u041d\u0430\u0434 \u0441\u0445\u043e\u0434\u0430\u043c\u0438 \u043c\u0430\u0454 \u043b\u0438\u0448\u0430\u0442\u0438\u0441\u044f \u043d\u0435 \u043c\u0435\u043d\u0448\u0435 2000 \u043c\u043c \u0432\u0456\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u043e\u0440\u0443.<\/p><\/details>\n    <\/section>\n\n                <section class=\"pro-calc-banner-small\">\n              <div class=\"pro-calc-banner-small-inner\">\n                <span class=\"pro-calc-banner-small-icon\" aria-hidden=\"true\">\ud83c\udfac<\/span>\n                <div class=\"pro-calc-banner-small-text\">\n                  <strong>\u041f\u043e\u0434\u0438\u0432\u0456\u0442\u044c\u0441\u044f \u0441\u0445\u043e\u0434\u0438 \u0443 3D \u0434\u043e \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/strong>\n                  <span class=\"pro-calc-banner-small-sub\">\u0406\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u0430 3D-\u043c\u043e\u0434\u0435\u043b\u044c \u0437 \u043e\u0431\u0435\u0440\u0442\u0430\u043d\u043d\u044f\u043c, 14 \u0442\u0438\u043f\u0456\u0432, \u0430\u0432\u0442\u043e\u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441, \u0435\u043a\u0441\u043f\u043e\u0440\u0442 PDF<\/span>\n                <\/div>\n                <a href=\"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/kalkulyator-lestnicz-na-zakaz\/?view=iso\" class=\"pro-calc-banner-small-button\">\n                  \u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0438 3D-\u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u2192\n                <\/a>\n              <\/div>\n            <\/section>\n            \n    <section class=\"cta-block\" id=\"cta\">\n      <h2>\u041e\u0442\u0440\u0438\u043c\u0430\u0439\u0442\u0435 \u0442\u043e\u0447\u043d\u0438\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0437\u0430 30 \u0445\u0432\u0438\u043b\u0438\u043d<\/h2>\n      <p>\u0417\u0430\u043b\u0438\u0448\u0442\u0435 \u0437\u0430\u044f\u0432\u043a\u0443 \u2014 \u043d\u0430\u0448 \u0456\u043d\u0436\u0435\u043d\u0435\u0440 \u043f\u0435\u0440\u0435\u0434\u0437\u0432\u043e\u043d\u0438\u0442\u044c \u0456 \u043d\u0430\u0434\u0456\u0448\u043b\u0435 \u0442\u043e\u0447\u043d\u0438\u0439 \u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441 \u0456\u0437 \u043a\u0440\u0435\u0441\u043b\u0435\u043d\u043d\u044f\u043c.<\/p>\n      <a href=\"#\" class=\"btn-cta\" onclick=\"openOrderModal(); return false;\">\u0417\u0430\u043c\u043e\u0432\u0438\u0442\u0438 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/a>\n    <\/section>\n\n  <\/main>\n<\/div>\n\n<!-- \u041c\u043e\u0434\u0430\u043b\u043a\u0430 \u0437\u0430\u044f\u0432\u043a\u0438 -->\n<div class=\"modal-backdrop\" id=\"cta-modal\">\n  <div class=\"modal\">\n    <button class=\"modal-close\" onclick=\"SiteLayout.closeCtaModal()\" aria-label=\"\u0417\u0430\u043a\u0440\u0438\u0442\u0438\">\u00d7<\/button>\n    <h3>\u0422\u043e\u0447\u043d\u0438\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0432\u0456\u0434 \u043c\u0430\u0439\u0441\u0442\u0440\u0430<\/h3>\n    <p class=\"subtitle\">\u0417\u0430\u043b\u0438\u0448\u0442\u0435 \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 \u2014 \u043f\u0435\u0440\u0435\u0434\u0437\u0432\u043e\u043d\u0438\u043c\u043e \u043f\u0440\u043e\u0442\u044f\u0433\u043e\u043c 30 \u0445\u0432\u0438\u043b\u0438\u043d, \u0443\u0442\u043e\u0447\u043d\u0438\u043c\u043e \u0434\u0435\u0442\u0430\u043b\u0456 \u0442\u0430 \u043d\u0430\u0434\u0456\u0448\u043b\u0435\u043c\u043e \u0442\u043e\u0447\u043d\u0438\u0439 \u043a\u043e\u0448\u0442\u043e\u0440\u0438\u0441.<\/p>\n    <div class=\"form-summary\" id=\"modal-summary\"><\/div>\n    <form onsubmit=\"submitOrder(event)\">\n      <div class=\"input-group\"><label>\u0412\u0430\u0448\u0435 \u0456\u043c'\u044f<\/label><input type=\"text\" name=\"name\" required placeholder=\"\u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440\"><\/div>\n      <div class=\"input-group\"><label>\u0422\u0435\u043b\u0435\u0444\u043e\u043d<\/label><input type=\"tel\" name=\"phone\" required placeholder=\"+380 __ ___ __ __\"><\/div>\n      <div class=\"input-group\"><label>\u041a\u043e\u043c\u0435\u043d\u0442\u0430\u0440 (\u043d\u0435\u043e\u0431\u043e\u0432'\u044f\u0437\u043a\u043e\u0432\u043e)<\/label><input type=\"text\" name=\"comment\" placeholder=\"\u041a\u043e\u043b\u0438 \u0437\u0440\u0443\u0447\u043d\u043e \u043f\u0435\u0440\u0435\u0434\u0437\u0432\u043e\u043d\u0438\u0442\u0438, \u043e\u0441\u043e\u0431\u043b\u0438\u0432\u043e\u0441\u0442\u0456 \u043e\u0431'\u0454\u043a\u0442\u0430\"><\/div>\n      <button type=\"submit\" class=\"btn btn-primary\" style=\"width:100%; margin-top:8px;\">\u0412\u0456\u0434\u043f\u0440\u0430\u0432\u0438\u0442\u0438 \u0437\u0430\u044f\u0432\u043a\u0443<\/button>\n      <p style=\"font-size:11px; color:var(--text-muted); margin-top:10px; text-align:center;\">\u041d\u0430\u0442\u0438\u0441\u043a\u0430\u044e\u0447\u0438 \u00ab\u0412\u0456\u0434\u043f\u0440\u0430\u0432\u0438\u0442\u0438\u00bb, \u0432\u0438 \u043f\u043e\u0433\u043e\u0434\u0436\u0443\u0454\u0442\u0435\u0441\u044f \u0437 \u043e\u0431\u0440\u043e\u0431\u043a\u043e\u044e \u043f\u0435\u0440\u0441\u043e\u043d\u0430\u043b\u044c\u043d\u0438\u0445 \u0434\u0430\u043d\u0438\u0445<\/p>\n    <\/form>\n  <\/div>\n<\/div>\n\n<script>\nconst P = window.STAIR_PRICES;\n\nfunction val(id) { return +document.getElementById(id).value; }\n\nfunction openOrderModal() {\n  const c = window.__lastCalc;\n  let s = '<strong>\u041f\u0440\u044f\u043c\u0456 \u0441\u0445\u043e\u0434\u0438 \u043d\u0430 \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f<\/strong>';\n  if (c) {\n    s = `<strong>\u041f\u0440\u044f\u043c\u0456 \u0441\u0445\u043e\u0434\u0438 \u043d\u0430 ${c.typeLabel}<\/strong><br>\n      \u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u043e\u0440\u0456\u0437\u0443: <strong>${c.height} \u043c\u043c<\/strong>, \u0434\u043e\u0432\u0436\u0438\u043d\u0430: <strong>${c.length} \u043c\u043c<\/strong><br>\n      \u0421\u0445\u043e\u0434\u0438\u043d\u043e\u043a: <strong>${c.stepsCount}<\/strong> (${c.stepH}\u00d7${c.stepD} \u043c\u043c), \u043a\u0443\u0442: <strong>${c.angle}\u00b0<\/strong><br>\n      \u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b: <strong>${P.labelWood(c.material)}<\/strong>, \u0440\u0435\u0433\u0456\u043e\u043d: <strong>${P.labelRegion(c.region)}<\/strong><br>\n      \u041f\u043e\u043f\u0435\u0440\u0435\u0434\u043d\u044f \u0432\u0430\u0440\u0442\u0456\u0441\u0442\u044c: <strong>${c.totalPrice.toLocaleString('uk-UA')} \u0433\u0440\u043d<\/strong>`;\n  }\n  SiteLayout.openCtaModal(s);\n}\nfunction submitOrder(e) {\n  e.preventDefault();\n  console.log('\u0417\u0430\u044f\u0432\u043a\u0430:', { name: e.target.name.value, phone: e.target.phone.value, comment: e.target.comment.value, calc: window.__lastCalc });\n  alert('\u0414\u044f\u043a\u0443\u0454\u043c\u043e! \u041c\u0438 \u0437\u0432\\'\u044f\u0436\u0435\u043c\u043e\u0441\u044f \u0437 \u0432\u0430\u043c\u0438 \u043f\u0440\u043e\u0442\u044f\u0433\u043e\u043c 30 \u0445\u0432\u0438\u043b\u0438\u043d.');\n  SiteLayout.closeCtaModal();\n  e.target.reset();\n}\n\nfunction calculate() {\n  const unit = +document.getElementById('height-unit').value;\n  const H = val('height') * unit, L = val('length'), W = val('width');\n  const thickness = val('step-thickness'), overhang = val('overhang');\n  const material = document.getElementById('material').value;\n\n  const optimalStepH = 170;\n  let stepsCount = Math.max(2, Math.round(H \/ optimalStepH));\n  const stepH = H \/ stepsCount;\n  const treads = stepsCount - 1;\n  const stepD = L \/ treads;\n  const angle = Math.atan(H \/ L) * 180 \/ Math.PI;\n  const blondel = 2 * stepH + stepD;\n  const supportLen = Math.sqrt(H * H + L * L);\n  const treadArea = (treads * stepD * W) \/ 1e6;\n\n  const type = document.getElementById('type').value;\n  const materialSupport = document.getElementById('material-support').value;\n  const riser = document.getElementById('riser').value;\n  const balustrade = document.getElementById('balustrade').value;\n  const coating = document.getElementById('coating').value;\n  const works = document.getElementById('works').value;\n  const region = document.getElementById('region').value;\n  const regionCoef = P.REGION_COEF[region].coef;\n\n  \/\/ \u041e\u0431'\u0454\u043c \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0456\u0432\n  const volTreads = treads * (stepD + overhang) * W * thickness * P.WASTE \/ 1e9;\n  const priceTreads = Math.round(volTreads * P.WOOD[material]);\n\n  \/\/ \u041e\u0431'\u0454\u043c \u043e\u043f\u043e\u0440\u0438\n  let volSupport = 0;\n  if (type === 'kosour')       volSupport = 2 * supportLen * 300 * 50 \/ 1e9;\n  else if (type === 'tyativa') volSupport = 2 * supportLen * 250 * 40 \/ 1e9;\n  else if (type === 'boltsy')  volSupport = 1 * supportLen * 200 * 40 \/ 1e9;\n  volSupport *= P.WASTE;\n  let priceSupport = Math.round(volSupport * P.WOOD[materialSupport]);\n  \/\/ \u0414\u043b\u044f \u0431\u043e\u043b\u044c\u0446\u043e\u0432 \u2014 \u0434\u043e\u0434\u0430\u0442\u043a\u043e\u0432\u0456 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442\u0438 \u043a\u0440\u0456\u043f\u043b\u0435\u043d\u043d\u044f\n  if (type === 'boltsy') priceSupport += stepsCount * P.BOLTS_PER_STEP;\n\n  let priceRisers = 0;\n  if (riser === 'yes') {\n    const volRisers = stepsCount * stepH * W * 20 * P.WASTE \/ 1e9;\n    priceRisers = Math.round(volRisers * P.WOOD[material]);\n  }\n\n  const balSides = balustrade === 'no' ? 0 : balustrade === 'one' ? 1 : 2;\n  const priceBalustrade = Math.round((supportLen \/ 1000) * P.BALUSTRADE_PER_METER[material] * balSides);\n\n  const coatingArea = treadArea + (riser === 'yes' ? treadArea * 0.6 : 0) + (balSides > 0 ? supportLen \/ 1000 * 0.8 * balSides : 0);\n  const priceCoating = Math.round(coatingArea * P.COATING_PER_M2[coating].price);\n\n  const priceMaterials = priceTreads + priceSupport + priceRisers + priceBalustrade;\n  const priceHardware = Math.round(priceMaterials * P.HARDWARE_PERCENT);\n  const totalMaterial = priceMaterials + priceCoating + priceHardware;\n\n  let priceProduction = 0, priceInstall = 0;\n  if (works === 'production' || works === 'full') priceProduction = Math.round(totalMaterial * P.WORKS.production_coef * regionCoef);\n  if (works === 'full') priceInstall = Math.round(P.WORKS.install_base * regionCoef);\n  const totalPrice = totalMaterial + priceProduction + priceInstall;\n\n  const typeLabel = type === 'kosour' ? '\u043a\u043e\u0441\u043e\u0443\u0440\u0456' : type === 'tyativa' ? '\u0442\u044f\u0442\u0438\u0432\u0456' : '\u0431\u043e\u043b\u044c\u0446\u0430\u0445';\n\n  \/\/ \u0412\u0438\u0432\u0456\u0434 breakdown\n  const rows = [\n    ['\u041f\u0440\u043e\u0441\u0442\u0443\u043f\u0438 (' + P.labelWood(material) + ')', priceTreads],\n    [(type === 'boltsy' ? '\u041e\u043f\u043e\u0440\u0430 + \u0431\u043e\u043b\u044c\u0446\u0438' : '\u041a\u043e\u0441\u043e\u0443\u0440\/\u0442\u044f\u0442\u0438\u0432\u0430') + ' (' + P.labelWood(materialSupport) + ')', priceSupport]\n  ];\n  if (priceRisers > 0)    rows.push(['\u041f\u0456\u0434\u0441\u0442\u0443\u043f\u0456\u043d\u043a\u0438', priceRisers]);\n  if (priceBalustrade > 0) rows.push([`\u0411\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0430 (${balSides === 1 ? '\u043e\u0434\u0438\u043d \u0431\u0456\u043a' : '\u0434\u0432\u0430 \u0431\u043e\u043a\u0438'})`, priceBalustrade]);\n  if (priceCoating > 0)   rows.push([P.labelCoating(coating), priceCoating]);\n  rows.push(['\u0424\u0443\u0440\u043d\u0456\u0442\u0443\u0440\u0430, \u043a\u0440\u0456\u043f\u043b\u0435\u043d\u043d\u044f', priceHardware]);\n  if (priceProduction > 0) rows.push(['\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f', priceProduction]);\n  if (priceInstall > 0)    rows.push(['\u041c\u043e\u043d\u0442\u0430\u0436 \u043d\u0430 \u043e\u0431\\'\u0454\u043a\u0442\u0456', priceInstall]);\n\n  document.getElementById('price-breakdown').innerHTML = rows\n    .map(([l, s]) => `<tr><td>${l}<\/td><td>${P.fmt(s)}<\/td><\/tr>`).join('');\n  document.getElementById('price-total').textContent = P.fmt(totalPrice);\n\n  \/\/ \u0412\u0438\u0432\u0456\u0434 \u0447\u0438\u0441\u0435\u043b\n  document.getElementById('r-count').innerHTML = stepsCount + '<span class=\"unit\">\u0448\u0442<\/span>';\n  document.getElementById('r-step-h').innerHTML = Math.round(stepH) + '<span class=\"unit\">\u043c\u043c<\/span>';\n  document.getElementById('r-step-d').innerHTML = Math.round(stepD) + '<span class=\"unit\">\u043c\u043c<\/span>';\n  document.getElementById('r-angle').innerHTML = angle.toFixed(1) + '<span class=\"unit\">\u00b0<\/span>';\n  document.getElementById('d-treads').textContent = treads;\n  document.getElementById('d-support').textContent = Math.round(supportLen) + ' \u043c\u043c';\n  document.getElementById('d-area').textContent = treadArea.toFixed(2) + ' \u043c\u00b2';\n\n  window.__lastCalc = {\n    height: H, length: L, width: W, stepsCount,\n    stepH: Math.round(stepH), stepD: Math.round(stepD),\n    angle: angle.toFixed(1), material, materialSupport,\n    type, typeLabel, balustrade, coating, works, region, totalPrice\n  };\n\n  \/\/ \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c\n  document.getElementById('comfort-value').textContent = Math.round(blondel) + ' \u043c\u043c';\n  const pct = Math.max(0, Math.min(100, ((blondel - 550) \/ 150) * 100));\n  document.getElementById('comfort-indicator').style.left = pct + '%';\n\n  \/\/ Warnings\n  const N = P.NORMS, w = [];\n  if (stepH < N.stepHeightMin)       w.push(['err', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(stepH)} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443 \u0414\u0411\u041d (\u043c\u0456\u043d. ${N.stepHeightMin} \u043c\u043c)`]);\n  else if (stepH > N.stepHeightMax)  w.push(['err', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(stepH)} \u043c\u043c \u0431\u0456\u043b\u044c\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443 \u0414\u0411\u041d (\u043c\u0430\u043a\u0441. ${N.stepHeightMax} \u043c\u043c)`]);\n  else                               w.push(['ok',  `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(stepH)} \u043c\u043c \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u0414\u0411\u041d \u0412.2.2-9 (150\u2013180 \u043c\u043c)`]);\n  if (stepD < N.stepDepthMin)        w.push(['err', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0443 ${Math.round(stepD)} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443 (\u043c\u0456\u043d. ${N.stepDepthMin} \u043c\u043c)`]);\n  else if (stepD > N.stepDepthMax)   w.push(['warn',`\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0443 ${Math.round(stepD)} \u043c\u043c \u0431\u0456\u043b\u044c\u0448\u0430 \u0437\u0430 \u043e\u043f\u0442\u0438\u043c\u0443\u043c (250\u2013320 \u043c\u043c)`]);\n  else                               w.push(['ok',  `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043f\u0440\u043e\u0441\u0442\u0443\u043f\u0443 ${Math.round(stepD)} \u043c\u043c \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u043d\u043e\u0440\u043c\u0456`]);\n  if (angle > N.angleMax)            w.push(['err', `\u041a\u0443\u0442 \u043d\u0430\u0445\u0438\u043b\u0443 ${angle.toFixed(1)}\u00b0 \u043f\u0435\u0440\u0435\u0432\u0438\u0449\u0443\u0454 \u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0438\u0439 (\u043c\u0430\u043a\u0441. 45\u00b0)`]);\n  else if (angle < N.angleMin)       w.push(['warn',`\u041a\u0443\u0442 \u043d\u0430\u0445\u0438\u043b\u0443 ${angle.toFixed(1)}\u00b0 \u0437\u0430\u043c\u0430\u043b\u0438\u0439 \u2014 \u0441\u0445\u043e\u0434\u0438 \u0437\u0430\u0439\u043c\u0443\u0442\u044c \u0431\u0430\u0433\u0430\u0442\u043e \u043c\u0456\u0441\u0446\u044f`]);\n  else                               w.push(['ok',  `\u041a\u0443\u0442 \u043d\u0430\u0445\u0438\u043b\u0443 ${angle.toFixed(1)}\u00b0 \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u043d\u0438\u0439 (30\u201345\u00b0)`]);\n  if (W < N.widthMin)                w.push(['warn',`\u0428\u0438\u0440\u0438\u043d\u0430 ${W} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u043e\u0432\u0430\u043d\u0443 \u0414\u0411\u041d (900 \u043c\u043c)`]);\n  if (blondel < N.blondelMin || blondel > N.blondelMax)\n    w.push(['warn', `\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f: ${Math.round(blondel)} \u043c\u043c \u2014 \u0456\u0434\u0435\u0430\u043b 600\u2013640 \u043c\u043c`]);\n  else\n    w.push(['ok', `\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044f: ${Math.round(blondel)} \u043c\u043c \u2014 \u0456\u0434\u0435\u0430\u043b\u044c\u043d\u0430 \u0437\u0440\u0443\u0447\u043d\u0456\u0441\u0442\u044c`]);\n\n  document.getElementById('warnings').innerHTML = w.map(([t, m]) =>\n    `<div class=\"warning-item ${t}\"><span>${t === 'ok' ? '\u2713' : t === 'warn' ? '\u26a0' : '\u2715'}<\/span><span>${m}<\/span><\/div>`\n  ).join('');\n\n  drawStairs({ H, L, stepsCount, stepH, stepD, treads, thickness });\n}\n\nfunction drawStairs({ H, L, stepsCount, stepH, stepD, treads, thickness }) {\n  const svg = document.getElementById('stairs-svg');\n  const Ws = 800, HTs = 420, pad = 50;\n  const scale = Math.min((Ws - 2*pad) \/ L, (HTs - 2*pad) \/ H);\n  const sL = L*scale, sH = H*scale;\n  const ox = (Ws - sL)\/2, oy = HTs - pad;\n  const sStepH = stepH*scale, sStepD = stepD*scale;\n  let el = '';\n  el += `<line x1=\"${ox-30}\" y1=\"${oy}\" x2=\"${ox+sL+30}\" y2=\"${oy}\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n  el += `<line x1=\"${ox+sL-30}\" y1=\"${oy-sH}\" x2=\"${ox+sL+60}\" y2=\"${oy-sH}\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n  el += `<line x1=\"${ox}\" y1=\"${oy}\" x2=\"${ox+sL}\" y2=\"${oy-sH}\" stroke=\"#D4A574\" stroke-width=\"3\" stroke-dasharray=\"4,4\" opacity=\"0.6\"\/>`;\n  let path = `M ${ox} ${oy}`;\n  for (let i = 0; i < stepsCount; i++) { path += ` v ${-sStepH}`; if (i < treads) path += ` h ${sStepD}`; }\n  el += `<path d=\"${path}\" stroke=\"#6B4423\" stroke-width=\"2.5\" fill=\"none\" stroke-linejoin=\"round\"\/>`;\n  for (let i = 0; i < treads; i++) {\n    const x = ox + i*sStepD, y = oy - (i+1)*sStepH;\n    el += `<rect x=\"${x}\" y=\"${y}\" width=\"${sStepD}\" height=\"${Math.max(3, thickness*scale)}\" fill=\"#8B5A2B\" opacity=\"0.3\"\/>`;\n    if (sStepD > 20 && sStepH > 15)\n      el += `<text x=\"${x + sStepD\/2}\" y=\"${y + sStepH\/2 + 4}\" font-size=\"11\" fill=\"#6B4423\" text-anchor=\"middle\">${i+1}<\/text>`;\n  }\n  const dc = '#9B8F80';\n  el += `<line x1=\"${ox-25}\" y1=\"${oy}\" x2=\"${ox-25}\" y2=\"${oy-sH}\" stroke=\"${dc}\"\/>`;\n  el += `<text x=\"${ox-35}\" y=\"${oy-sH\/2}\" font-size=\"12\" fill=\"${dc}\" text-anchor=\"end\" transform=\"rotate(-90 ${ox-35} ${oy-sH\/2})\">H = ${H} \u043c\u043c<\/text>`;\n  el += `<line x1=\"${ox}\" y1=\"${oy+25}\" x2=\"${ox+sL}\" y2=\"${oy+25}\" stroke=\"${dc}\"\/>`;\n  el += `<text x=\"${ox+sL\/2}\" y=\"${oy+42}\" font-size=\"12\" fill=\"${dc}\" text-anchor=\"middle\">L = ${L} \u043c\u043c<\/text>`;\n  svg.innerHTML = el;\n}\n\ndocument.querySelectorAll('.calc-inputs input, .calc-inputs select').forEach(el => {\n  el.addEventListener('input', calculate);\n  el.addEventListener('change', calculate);\n});\ncalculate();\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":65886,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"class_list":["post-65833","page","type-page","status-publish","has-post-thumbnail","hentry"],"translation":{"provider":"WPGlobus","version":"2.10.3","language":"uk","enabled_languages":["ru","uk"],"languages":{"ru":{"title":true,"content":true,"excerpt":false},"uk":{"title":false,"content":false,"excerpt":false}}},"yasr_visitor_votes":{"stars_attributes":{"read_only":false,"span_bottom":false},"number_of_votes":0,"sum_votes":0},"_links":{"self":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65833","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/comments?post=65833"}],"version-history":[{"count":1,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65833\/revisions"}],"predecessor-version":[{"id":65877,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65833\/revisions\/65877"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media\/65886"}],"wp:attachment":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media?parent=65833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}