{"id":65839,"date":"2026-04-17T20:22:53","date_gmt":"2026-04-17T17:22:53","guid":{"rendered":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/vintovye-lestnicy-na-zakaz\/"},"modified":"2026-04-21T21:23:16","modified_gmt":"2026-04-21T18:23:16","slug":"vintovye-lestnicy-na-zakaz","status":"publish","type":"page","link":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/vintovye-lestnicy-na-zakaz\/","title":{"rendered":"\u0413\u0432\u0438\u043d\u0442\u043e\u0432\u0456 \u0441\u0445\u043e\u0434\u0438 \u043d\u0430 \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u2014 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043e\u043d\u043b\u0430\u0439\u043d \u0443 \u041a\u0438\u0454\u0432\u0456"},"content":{"rendered":"<div class=\"stair-layout\">\n  <main class=\"content\">\n\n    <section class=\"hero\">\n      <p class=\"subtitle\">\n        \u0421\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438 \u043d\u0430\u0432\u043a\u043e\u043b\u043e \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u043e\u0457 \u043a\u043e\u043b\u043e\u043d\u0438. \u041d\u0430\u0439\u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u0456\u0448\u0435\n        \u0440\u0456\u0448\u0435\u043d\u043d\u044f \u2014 \u0432\u0456\u0434 1.4 \u043c\u00b2 \u043f\u0456\u0434\u043b\u043e\u0433\u0438. \u0414\u0435\u0440\u0435\u0432'\u044f\u043d\u0456 \u0430\u0431\u043e \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438,\n        \u043f\u043e\u0440\u0443\u0447\u043d\u0456 \u0437 \u0434\u0435\u0440\u0435\u0432\u0430 \/ \u043c\u0435\u0442\u0430\u043b\u0443 \/ \u043d\u0435\u0440\u0436\u0430\u0432\u0456\u0439\u043a\u0438.\n      <\/p>\n      <div class=\"hero-features\">\n        <div class=\"hero-feature\"><strong>\u0432\u0456\u0434 38 000 \u20b4<\/strong><span>\u0421\u0442\u0430\u043b\u044c + \u0441\u043e\u0441\u043d\u0430<\/span><\/div>\n        <div class=\"hero-feature\"><strong>\u0432\u0456\u0434 \u00d8 1400 \u043c\u043c<\/strong><span>\u041c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0438\u0439 \u0434\u0456\u0430\u043c\u0435\u0442\u0440<\/span><\/div>\n        <div class=\"hero-feature\"><strong>12\u201314 \u0441\u0445.<\/strong><span>\u041d\u0430 \u043f\u043e\u0432\u043d\u0438\u0439 \u043e\u0431\u0435\u0440\u0442<\/span><\/div>\n        <div class=\"hero-feature\"><strong>28\u201335 \u0434\u043d\u0456\u0432<\/strong><span>\u0422\u0435\u0440\u043c\u0456\u043d \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u0430<\/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\">\n      <div class=\"calc-header\">\n        <h2>\u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n        <p>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043d\u0430 \u0431\u0430\u0437\u0456 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0456\u0457 \u0441\u043f\u0456\u0440\u0430\u043b\u0456: \u0434\u0456\u0430\u043c\u0435\u0442\u0440 \u00d7 \u043a\u0443\u0442 \u00d7 \u0432\u0438\u0441\u043e\u0442\u0430<\/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<\/div>\n          <div class=\"input-group\">\n            <label>\u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u043e\u0440\u0456\u0437\u0443<\/label>\n            <div style=\"display:flex; gap:8px;\">\n              <input type=\"number\" id=\"height\" value=\"3000\" min=\"2200\" max=\"5500\" 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\u0456\u0430\u043c\u0435\u0442\u0440 \u0441\u0445\u043e\u0434\u0456\u0432 <span class=\"hint\">\u043c\u0456\u043d. 1400 \u043c\u043c<\/span><\/label>\n            <input type=\"number\" id=\"diameter\" value=\"1800\" min=\"1400\" max=\"3000\" step=\"20\">\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0414\u0456\u0430\u043c\u0435\u0442\u0440 \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u043a\u043e\u043b\u043e\u043d\u0438<\/label>\n            <select id=\"column-d\">\n              <option value=\"60\">60 \u043c\u043c (\u0442\u0440\u0443\u0431\u0430 D60)<\/option>\n              <option value=\"80\" selected>80 \u043c\u043c (\u0442\u0440\u0443\u0431\u0430 D80)<\/option>\n              <option value=\"100\">100 \u043c\u043c (\u0442\u0440\u0443\u0431\u0430 D100)<\/option>\n              <option value=\"150\">150 \u043c\u043c (\u0437 \u043a\u043e\u0436\u0443\u0445\u043e\u043c)<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u041a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044f<\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u043e\u0432\u043d\u0438\u0439 \u043a\u0443\u0442 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443<\/label>\n            <select id=\"turn-angle\">\n              <option value=\"270\">270\u00b0 (\u0442\u0440\u0438 \u0447\u0432\u0435\u0440\u0442\u0456)<\/option>\n              <option value=\"360\" selected>360\u00b0 (\u043f\u043e\u0432\u043d\u0438\u0439 \u043e\u0431\u0435\u0440\u0442)<\/option>\n              <option value=\"450\">450\u00b0 (1\u00bc \u043e\u0431\u0435\u0440\u0442\u0443)<\/option>\n              <option value=\"540\">540\u00b0 (1\u00bd \u043e\u0431\u0435\u0440\u0442\u0443)<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041d\u0430\u043f\u0440\u044f\u043c\u043e\u043a \u043f\u0456\u0434\u0439\u043e\u043c\u0443<\/label>\n            <select id=\"direction\">\n              <option value=\"right\" selected>\u041f\u0440\u0430\u0432\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0456\u0439 (\u0437\u0430 \u0433\u043e\u0434\u0438\u043d\u043d\u0438\u043a\u043e\u0432\u043e\u044e)<\/option>\n              <option value=\"left\">\u041b\u0456\u0432\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0456\u0439 (\u043f\u0440\u043e\u0442\u0438 \u0433\u043e\u0434\u0438\u043d\u043d\u0438\u043a\u043e\u0432\u043e\u0457)<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u0421\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/div>\n          <div class=\"input-group\">\n            <label>\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/label>\n            <select id=\"step-material\">\n              <option value=\"wood\" selected>\u0414\u0435\u0440\u0435\u0432\u043e (\u043c\u0430\u0441\u0438\u0432)<\/option>\n              <option value=\"metal\">\u041c\u0435\u0442\u0430\u043b (\u0440\u0438\u0444\u043b\u0435\u043d\u0430 \u0441\u0442\u0430\u043b\u044c)<\/option>\n              <option value=\"glass\">\u0421\u043a\u043b\u043e (\u0442\u0440\u0438\u043f\u043b\u0435\u043a\u0441)<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u043e\u0440\u043e\u0434\u0430 \u0434\u0435\u0440\u0435\u0432\u0430 <span class=\"hint\">\u044f\u043a\u0449\u043e \u043c\u0430\u0442\u0435\u0440\u0456\u0430\u043b \u2014 \u0434\u0435\u0440\u0435\u0432\u043e<\/span><\/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>\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=\"30\" max=\"60\" step=\"1\">\n          <\/div>\n\n          <div class=\"calc-section-title\">\u041c\u0435\u0442\u0430\u043b\u043e\u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f<\/div>\n          <div class=\"input-group\">\n            <label>\u0422\u0438\u043f \u043c\u0435\u0442\u0430\u043b\u0443 \u043a\u043e\u043b\u043e\u043d\u0438 \u0442\u0430 \u043f\u043e\u0440\u0443\u0447\u043d\u0456\u0432<\/label>\n            <select id=\"metal\">\n              <option value=\"steel_black\">\u0427\u043e\u0440\u043d\u0430 \u0441\u0442\u0430\u043b\u044c (\u0491\u0440\u0443\u043d\u0442)<\/option>\n              <option value=\"steel_powder\" selected>\u0421\u0442\u0430\u043b\u044c \u043f\u043e\u0440\u043e\u0448\u043a\u043e\u0432\u0430 (\u043a\u043e\u043b\u0456\u0440)<\/option>\n              <option value=\"steel_inox\">\u041d\u0435\u0440\u0436\u0430\u0432\u0456\u044e\u0447\u0430 AISI 304<\/option>\n              <option value=\"steel_forged\">\u041a\u043e\u0432\u0430\u043d\u0430 \u0441\u0442\u0430\u043b\u044c<\/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 \u0441\u043f\u0456\u0440\u0430\u043b\u0456<\/label>\n            <select id=\"balustrade\">\n              <option value=\"simple\">\u041f\u0440\u043e\u0441\u0442\u0456 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438<\/option>\n              <option value=\"classic\" selected>\u0411\u0430\u043b\u044f\u0441\u0438\u043d\u0438 + \u043f\u043e\u0440\u0443\u0447\u0435\u043d\u044c \u0434\u0435\u0440\u0435\u0432\u043e<\/option>\n              <option value=\"modern\">\u041d\u0435\u0440\u0436\u0430\u0432\u0456\u0439\u043a\u0430 + \u0441\u043a\u043b\u043e<\/option>\n              <option value=\"forged\">\u041a\u0443\u0432\u0430\u043d\u043d\u044f (\u0434\u0435\u043a\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u0456)<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u043e\u043a\u0440\u0438\u0442\u0442\u044f \u0434\u0435\u0440\u0435\u0432\u0430<\/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()\">\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u0432\u0430\u0442\u0438<\/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\">18<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\">167<span class=\"unit\">\u043c\u043c<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u041a\u0443\u0442 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/div><div class=\"value\" id=\"r-angle\">20<span class=\"unit\">\u00b0<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440. \u043b\u0456\u043d\u0456\u0457<\/div><div class=\"value\" id=\"r-step-d\">236<span class=\"unit\">\u043c\u043c<\/span><\/div><\/div>\n          <\/div>\n          <div class=\"drawing-container\">\n            <svg id=\"stairs-svg\" viewBox=\"0 0 800 500\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><\/svg>\n          <\/div>\n          <div class=\"comfort-bar\">\n            <div class=\"comfort-label\"><span>\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 (2h + d)<\/span><strong id=\"comfort-value\">570 \u043c\u043c<\/strong><\/div>\n            <div class=\"comfort-scale\"><div class=\"comfort-indicator\" id=\"comfort-indicator\" style=\"left:20%\"><\/div><\/div>\n            <div class=\"comfort-scale-labels\"><span>550<\/span><span>600 \u2014 640<\/span><span>700<\/span><\/div>\n          <\/div>\n          <div class=\"warnings\" id=\"warnings\"><\/div>\n          <table class=\"detail-table\">\n            <tr><td>\u0414\u0456\u0430\u043c\u0435\u0442\u0440 \u0441\u0445\u043e\u0434\u0456\u0432<\/td><td id=\"d-diameter\">1800 \u043c\u043c<\/td><\/tr>\n            <tr><td>\u0414\u0456\u0430\u043c\u0435\u0442\u0440 \u043a\u043e\u043b\u043e\u043d\u0438<\/td><td id=\"d-column\">80 \u043c\u043c<\/td><\/tr>\n            <tr><td>\u0412\u0438\u0442\u043a\u0456\u0432<\/td><td id=\"d-turns\">1.0<\/td><\/tr>\n            <tr><td>\u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u0443 \u043f\u0456\u0434 \u0432\u0438\u0442\u043a\u043e\u043c<\/td><td id=\"d-headroom\">2000 \u043c\u043c<\/td><\/tr>\n            <tr><td>\u041f\u043b\u043e\u0449\u0430 \u0443 \u043f\u043b\u0430\u043d\u0456<\/td><td id=\"d-area\">2.54 \u043c\u00b2<\/td><\/tr>\n          <\/table>\n          <div class=\"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\"><span>\u0420\u0430\u0437\u043e\u043c \u043f\u0456\u0434 \u043a\u043b\u044e\u0447<\/span><strong id=\"price-total\">\u2014 \u0433\u0440\u043d<\/strong><\/div>\n            <div class=\"price-disclaimer\">\u24d8 \u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043e\u0440\u0456\u0454\u043d\u0442\u043e\u0432\u043d\u0438\u0439 (\u00b115-20%).<\/div>\n          <\/div>\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')\">\ud83d\udcc4 \u0417\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0438\u0442\u0438 PDF<\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u0429\u043e \u0442\u0430\u043a\u0435 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0456 \u0441\u0445\u043e\u0434\u0438<\/h2>\n      <p>\n        <strong>\u0413\u0432\u0438\u043d\u0442\u043e\u0432\u0456 (\u0441\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0456) \u0441\u0445\u043e\u0434\u0438<\/strong> \u2014 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f \u0437\u0456 \u0441\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u043e\u044e\n        \u0442\u0440\u0430\u0454\u043a\u0442\u043e\u0440\u0456\u0454\u044e \u043d\u0430\u0432\u043a\u043e\u043b\u043e \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u043d\u0435\u0441\u0443\u0447\u043e\u0457 \u043e\u043f\u043e\u0440\u0438 (\u043a\u043e\u043b\u043e\u043d\u0438). \u041a\u043e\u0436\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430 \u2014\n        \u043a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0430, \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u0456\u043c \u0432\u0443\u0437\u044c\u043a\u0438\u043c \u043a\u0456\u043d\u0446\u0435\u043c \u043a\u0440\u0456\u043f\u0438\u0442\u044c\u0441\u044f \u0434\u043e \u043a\u043e\u043b\u043e\u043d\u0438, \u0437\u043e\u0432\u043d\u0456\u0448\u043d\u0456\u043c \u0448\u0438\u0440\u043e\u043a\u0438\u043c \u2014\n        \u0434\u043e \u0441\u0442\u0456\u043d\u0438 \u0447\u0438 \u0431\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0438.\n      <\/p>\n      <p>\n        \u0426\u0435 <strong>\u043d\u0430\u0439\u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u0456\u0448\u0435<\/strong> \u0440\u0456\u0448\u0435\u043d\u043d\u044f \u0434\u043b\u044f \u043f\u0456\u0434\u0439\u043e\u043c\u0443 \u043d\u0430 \u0434\u0440\u0443\u0433\u0438\u0439 \u043f\u043e\u0432\u0435\u0440\u0445: \u043f\u0440\u0438\n        \u0434\u0456\u0430\u043c\u0435\u0442\u0440\u0456 1.4\u20132.0 \u043c \u0437\u0430\u0439\u043c\u0430\u044e\u0442\u044c \u0443\u0441\u044c\u043e\u0433\u043e 1.5\u20133.0 \u043c\u00b2 \u043f\u0456\u0434\u043b\u043e\u0433\u0438. \u041a\u043b\u0430\u0441\u0438\u0447\u043d\u0435 \u0437\u0430\u0441\u0442\u043e\u0441\u0443\u0432\u0430\u043d\u043d\u044f \u2014\n        \u0434\u0440\u0443\u0433\u0435 \u0441\u0432\u0456\u0442\u043b\u043e \u0443 \u0441\u0442\u0443\u0434\u0456\u044f\u0445, \u043c\u0430\u043d\u0441\u0430\u0440\u0434\u0438, \u0434\u0443\u043f\u043b\u0435\u043a\u0441-\u043a\u0432\u0430\u0440\u0442\u0438\u0440\u0438, \u043f\u0456\u0434\u0439\u043e\u043c\u0438 \u0443 \u043f\u0456\u0434\u0432\u0430\u043b \u0456 \u043d\u0430\n        \u0433\u043e\u0440\u0438\u0449\u0435.\n      <\/p>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u0413\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044f \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n      <p>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u0431\u0430\u0437\u0443\u0454\u0442\u044c\u0441\u044f \u043d\u0430 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0456\u0457 \u0441\u043f\u0456\u0440\u0430\u043b\u0456:<\/p>\n      <ul>\n        <li><strong>\u0414\u0456\u0430\u043c\u0435\u0442\u0440 D<\/strong> \u2014 \u0433\u0430\u0431\u0430\u0440\u0438\u0442 \u0443 \u043f\u043b\u0430\u043d\u0456. \u041c\u0456\u043d\u0456\u043c\u0443\u043c \u0437\u0430 \u0414\u0411\u041d \u2014 1400 \u043c\u043c.<\/li>\n        <li><strong>\u0420\u0430\u0434\u0456\u0443\u0441 \u043a\u043e\u043b\u043e\u043d\u0438 r<\/strong> \u2014 \u0437\u0430\u043b\u0435\u0436\u0438\u0442\u044c \u0432\u0456\u0434 \u0442\u0438\u043f\u0443 \u0442\u0440\u0443\u0431\u0438 (60\u2013150 \u043c\u043c).<\/li>\n        <li><strong>\u0421\u0435\u0440\u0435\u0434\u043d\u044f \u043b\u0456\u043d\u0456\u044f<\/strong> R\u0441\u0435\u0440 = (r + R) \/ 2, \u0434\u0435 R = D\/2.<\/li>\n        <li><strong>\u041f\u043e\u0432\u043d\u0438\u0439 \u043a\u0443\u0442 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443<\/strong> \u03b1 (270\u00b0, 360\u00b0, 540\u00b0) \u2014 \u0437\u0430\u043b\u0435\u0436\u0438\u0442\u044c \u0432\u0456\u0434 \u043f\u043b\u0430\u043d\u0443\u0432\u0430\u043d\u043d\u044f \u043f\u0440\u043e\u0440\u0456\u0437\u0443.<\/li>\n        <li><strong>\u041a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/strong> N = round(H \/ 170) \u0437 \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u043e\u044e \u043a\u0443\u0442\u0430 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443 \u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0443.<\/li>\n        <li><strong>\u041a\u0443\u0442 \u043e\u0434\u043d\u0456\u0454\u0457 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438<\/strong> \u03b8 = \u03b1 \/ N, \u043e\u043f\u0442\u0438\u043c\u0443\u043c 25\u201330\u00b0.<\/li>\n        <li><strong>\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457<\/strong> d<sub>\u0441\u0435\u0440<\/sub> = R<sub>\u0441\u0435\u0440<\/sub> \u00d7 \u03b8 (\u0440\u0430\u0434).<\/li>\n      <\/ul>\n      <p>\n        \u0417\u0430 <strong>\u0414\u0411\u041d \u0412.2.2-9<\/strong> \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0430 \u0433\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445\n        \u0441\u0445\u043e\u0434\u0456\u0432 \u2014 <strong>200 \u043c\u043c<\/strong> (\u0434\u043b\u044f \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445 \u0437\u043d\u0438\u0436\u0435\u043d\u0438\u0439 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u043f\u043e\u0440\u0456\u0432\u043d\u044f\u043d\u043e\n        \u0437 \u043f\u0440\u044f\u043c\u0438\u043c\u0438 \u0441\u0445\u043e\u0434\u0430\u043c\u0438). \u041d\u0430\u0448 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u043d\u043e \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u044f\u0454 \u0446\u044e \u0443\u043c\u043e\u0432\u0443.\n      <\/p>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u041f\u0435\u0440\u0435\u0432\u0430\u0433\u0438 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n      <div class=\"advantages-grid\">\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udccf<\/span><h3>\u041c\u0456\u043d\u0456\u043c\u0443\u043c \u043f\u0456\u0434\u043b\u043e\u0433\u0438<\/h3><p>1.5\u20133 \u043c\u00b2 \u2014 \u0437\u0430\u0439\u043c\u0430\u044e\u0442\u044c \u0443\u0434\u0432\u0456\u0447\u0456 \u043c\u0435\u043d\u0448\u0435, \u043d\u0456\u0436 \u0431\u0443\u0434\u044c-\u044f\u043a\u0456 \u043c\u0430\u0440\u0448\u0435\u0432\u0456 \u0441\u0445\u043e\u0434\u0438. \u0423\u043d\u0456\u043a\u0430\u043b\u044c\u043d\u0456 \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u0438\u0445 \u0431\u0443\u0434\u0438\u043d\u043a\u0456\u0432.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfa8<\/span><h3>\u0415\u0444\u0435\u043a\u0442\u043d\u0438\u0439 \u0434\u0438\u0437\u0430\u0439\u043d<\/h3><p>\u0421\u043a\u0443\u043b\u044c\u043f\u0442\u0443\u0440\u043d\u0430 \u0444\u043e\u0440\u043c\u0430 \u2014 \u0430\u0440\u0442-\u043e\u0431'\u0454\u043a\u0442 \u0432 \u0456\u043d\u0442\u0435\u0440'\u0454\u0440\u0456. \u041b\u043e\u0444\u0442, \u043c\u043e\u0434\u0435\u0440\u043d, \u043a\u043b\u0430\u0441\u0438\u043a\u0430 \u2014 \u0431\u0443\u0434\u044c-\u044f\u043a\u0438\u0439 \u0441\u0442\u0438\u043b\u044c.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfd7\ufe0f<\/span><h3>\u041f\u0440\u043e\u0441\u0442\u0430 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430<\/h3><p>\u0412\u0441\u044f \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f \u043a\u0440\u0456\u043f\u0438\u0442\u044c\u0441\u044f \u0434\u043e \u043e\u0434\u043d\u0456\u0454\u0457 \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u043a\u043e\u043b\u043e\u043d\u0438. \u041d\u0435 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0454 \u043d\u0435\u0441\u0443\u0447\u0438\u0445 \u0441\u0442\u0456\u043d \u043f\u043e\u0440\u0443\u0447.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udca1<\/span><h3>\u041f\u0440\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u044c \u0441\u0432\u0456\u0442\u043b\u043e<\/h3><p>\u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0430 \u0441\u043f\u0456\u0440\u0430\u043b\u044c \u043d\u0435 \u0441\u0442\u0432\u043e\u0440\u044e\u0454 \u0442\u0456\u043d\u0435\u0439 \u0443 \u043f\u0440\u0438\u043c\u0456\u0449\u0435\u043d\u043d\u0456 \u2014 \u043d\u0435 \u00ab\u0437\u0430\u043c\u0438\u043a\u0430\u0454\u00bb \u043f\u0440\u043e\u0441\u0442\u0456\u0440.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udd27<\/span><h3>\u041b\u0435\u0433\u043a\u043e \u0437\u0431\u0438\u0440\u0430\u044e\u0442\u044c\u0441\u044f<\/h3><p>\u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0435 \u0437\u0431\u0438\u0440\u0430\u043d\u043d\u044f: \u043a\u043e\u0436\u043d\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430 \u043d\u0430\u0434\u044f\u0433\u0430\u0454\u0442\u044c\u0441\u044f \u043d\u0430 \u043a\u043e\u043b\u043e\u043d\u0443 \u043f\u043e\u0441\u043b\u0456\u0434\u043e\u0432\u043d\u043e. \u041c\u043e\u043d\u0442\u0430\u0436 1\u20132 \u0434\u043d\u0456.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfaf<\/span><h3>\u0406\u043d\u0434\u0438\u0432\u0456\u0434\u0443\u0430\u043b\u044c\u043d\u0430 \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044f<\/h3><p>\u041c\u043e\u0436\u043d\u0430 \u043d\u0430\u043b\u0430\u0448\u0442\u0443\u0432\u0430\u0442\u0438 \u0431\u0443\u0434\u044c-\u044f\u043a\u0438\u0439 \u043a\u0443\u0442 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443: 270\u00b0, 360\u00b0, 540\u00b0 \u2014 \u043f\u0456\u0434 \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044e \u043f\u0440\u043e\u0440\u0456\u0437\u0443.<\/p><\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u0412\u0430\u0440\u0456\u0430\u043d\u0442\u0438 \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u043a\u043e\u043b\u043e\u043d\u0438 \u0442\u0430 \u043f\u043e\u0440\u0443\u0447\u043d\u0456\u0432<\/h2>\n      <h3>\u0426\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u0430 \u0442\u0440\u0443\u0431\u0430<\/h3>\n      <ul>\n        <li><strong>\u00d8 60 \u043c\u043c<\/strong> \u2014 \u0434\u043b\u044f \u0434\u0456\u0430\u043c\u0435\u0442\u0440\u0456\u0432 \u2264 1500 \u043c\u043c, \u043b\u0435\u0433\u043a\u0456 \u043d\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f.<\/li>\n        <li><strong>\u00d8 80 \u043c\u043c<\/strong> \u2014 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442, \u043f\u0456\u0434\u0445\u043e\u0434\u0438\u0442\u044c \u0434\u043b\u044f \u00d8 1500\u20132200.<\/li>\n        <li><strong>\u00d8 100 \u043c\u043c<\/strong> \u2014 \u043f\u043e\u0441\u0438\u043b\u0435\u043d\u0430, \u0434\u043b\u044f \u0432\u0435\u043b\u0438\u043a\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432 \u0456 \u043a\u043e\u043c\u0435\u0440\u0446\u0456\u0439\u043d\u0438\u0445 \u043e\u0431'\u0454\u043a\u0442\u0456\u0432.<\/li>\n        <li><strong>\u00d8 150 \u043c\u043c \u0437 \u0434\u0435\u043a\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u0438\u043c \u043a\u043e\u0436\u0443\u0445\u043e\u043c<\/strong> \u2014 \u043f\u0440\u0435\u043c\u0456\u0443\u043c, \u0432\u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0456 \u043c\u043e\u0436\u0435 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442\u0438 \u043a\u0430\u0431\u0435\u043b\u044c-\u043a\u0430\u043d\u0430\u043b \u0430\u0431\u043e \u043f\u0456\u0434\u0441\u0432\u0456\u0447\u0443\u0432\u0430\u043d\u043d\u044f.<\/li>\n      <\/ul>\n      <h3>\u041c\u0430\u0442\u0435\u0440\u0456\u0430\u043b\u0438 \u043e\u043f\u043e\u0440\u0438 \u0456 \u043f\u043e\u0440\u0443\u0447\u043d\u0456\u0432<\/h3>\n      <ul>\n        <li><strong>\u0427\u043e\u0440\u043d\u0430 \u0441\u0442\u0430\u043b\u044c<\/strong> \u2014 \u0435\u043a\u043e\u043d\u043e\u043c, \u043f\u0456\u0434 \u0444\u0430\u0440\u0431\u0443\u0432\u0430\u043d\u043d\u044f \u0443 \u0431\u0443\u0434\u044c-\u044f\u043a\u0438\u0439 \u043a\u043e\u043b\u0456\u0440.<\/li>\n        <li><strong>\u041f\u043e\u0440\u043e\u0448\u043a\u043e\u0432\u0435 \u0444\u0430\u0440\u0431\u0443\u0432\u0430\u043d\u043d\u044f<\/strong> \u2014 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442, \u043a\u043e\u043b\u044c\u043e\u0440\u043e\u0432\u0456 \u0440\u0456\u0448\u0435\u043d\u043d\u044f (RAL).<\/li>\n        <li><strong>\u041d\u0435\u0440\u0436\u0430\u0432\u0456\u044e\u0447\u0430 AISI 304<\/strong> \u2014 \u043f\u0440\u0435\u043c\u0456\u0443\u043c, \u043d\u0435 \u0432\u0438\u043c\u0430\u0433\u0430\u0454 \u043e\u0431\u0441\u043b\u0443\u0433\u043e\u0432\u0443\u0432\u0430\u043d\u043d\u044f.<\/li>\n        <li><strong>\u041a\u0443\u0432\u0430\u043d\u043d\u044f<\/strong> \u2014 \u0434\u0435\u043a\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u0430 \u043a\u043b\u0430\u0441\u0438\u043a\u0430, \u043d\u0430 \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f.<\/li>\n      <\/ul>\n    <\/section>\n\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>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043e\u043d\u043b\u0430\u0439\u043d<\/h3><p>\u0412\u0438\u0437\u043d\u0430\u0447\u0442\u0435 \u0434\u0456\u0430\u043c\u0435\u0442\u0440, \u043a\u0443\u0442, \u0432\u0438\u0441\u043e\u0442\u0443 \u0443 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0456 \u0432\u0438\u0449\u0435.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0417\u0430\u043c\u0456\u0440<\/h3><p>\u0411\u0435\u0437\u043a\u043e\u0448\u0442\u043e\u0432\u043d\u0438\u0439 \u0432\u0438\u0457\u0437\u0434: \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u043a\u0430 \u043f\u0440\u043e\u0440\u0456\u0437\u0443 \u0432 \u043f\u0435\u0440\u0435\u043a\u0440\u0438\u0442\u0442\u0456, \u043d\u0435\u0441\u0443\u0447\u043e\u0457 \u043f\u043b\u0438\u0442\u0438 \u043f\u0456\u0434\u043b\u043e\u0433\u0438.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u041f\u0440\u043e\u0454\u043a\u0442<\/h3><p>3D-\u043c\u043e\u0434\u0435\u043b\u044c, \u043a\u0440\u0435\u0441\u043b\u0435\u043d\u043d\u044f \u043a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a, \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043a\u043e\u043b\u043e\u043d\u0438.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0412\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u043e<\/h3><p>28\u201335 \u0434\u043d\u0456\u0432. \u0417\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f \u043a\u043e\u043b\u043e\u043d\u0438, \u0444\u043b\u0430\u043d\u0446\u0456\u0432, \u0432\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u041c\u043e\u043d\u0442\u0430\u0436<\/h3><p>1\u20132 \u0434\u043d\u0456. \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043a\u043e\u043b\u043e\u043d\u0438, \u043d\u0430\u0441\u0430\u0434\u0436\u0443\u0432\u0430\u043d\u043d\u044f \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a, \u0437\u0431\u0438\u0440\u0430\u043d\u043d\u044f \u043f\u043e\u0440\u0443\u0447\u043d\u0456\u0432.<\/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 \u043c\u0435\u0442\u0430\u043b\u043e\u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044e \u0442\u0430 \u0437\u0432\u0430\u0440\u043d\u0456 \u0448\u0432\u0438.<\/p><\/div>\n      <\/div>\n    <\/section>\n\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>\u042f\u043a\u0438\u0439 \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0438\u0439 \u0434\u0456\u0430\u043c\u0435\u0442\u0440 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432?<\/summary><p>\u0417\u0430 \u0414\u0411\u041d \u2014 1400 \u043c\u043c. \u0414\u043b\u044f \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u0443 \u2014 1800\u20132200 \u043c\u043c. \u041f\u0440\u0438 \u043c\u0435\u043d\u0448\u043e\u043c\u0443 \u0434\u0456\u0430\u043c\u0435\u0442\u0440\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u0437\u0430\u043d\u0430\u0434\u0442\u043e \u0432\u0443\u0437\u044c\u043a\u0456 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0421\u043a\u0456\u043b\u044c\u043a\u0438 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a \u043d\u0430 \u043e\u0434\u0438\u043d \u0432\u0438\u0442\u043e\u043a (360\u00b0)?<\/summary><p>\u0417\u0430\u0437\u0432\u0438\u0447\u0430\u0439 12\u201314. \u041a\u0443\u0442 \u043e\u0434\u043d\u0456\u0454\u0457 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 25\u201330\u00b0.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0427\u0438 \u043c\u043e\u0436\u043d\u0430 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u0442\u0438 \u043c\u0435\u0431\u043b\u0456 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u043c\u0438 \u0441\u0445\u043e\u0434\u0430\u043c\u0438?<\/summary><p>\u041e\u0431\u043c\u0435\u0436\u0435\u043d\u043e. \u0412\u0435\u043b\u0438\u043a\u0456 \u043c\u0435\u0431\u043b\u0456 \u2014 \u043d\u0456. \u041f\u043e\u0442\u0440\u0456\u0431\u0435\u043d \u043e\u043a\u0440\u0435\u043c\u0438\u0439 \u0442\u0430\u043a\u0435\u043b\u0430\u0436\u043d\u0438\u0439 \u043f\u0440\u043e\u0440\u0456\u0437.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0427\u0438 \u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0456 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0456 \u0441\u0445\u043e\u0434\u0438 \u0434\u043b\u044f \u0434\u0456\u0442\u0435\u0439?<\/summary><p>\u0423\u043c\u043e\u0432\u043d\u043e. \u041f\u043e\u0442\u0440\u0435\u0431\u0443\u044e\u0442\u044c \u0431\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0438 \u0437 \u043f\u0440\u043e\u043c\u0456\u0436\u043a\u043e\u043c \u043c\u0456\u0436 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0430\u043c\u0438 \u043d\u0435 \u0431\u0456\u043b\u044c\u0448\u0435 100 \u043c\u043c. \u041a\u043b\u0438\u043d\u043e\u043f\u043e\u0434\u0456\u0431\u043d\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u043d\u0435\u0431\u0435\u0437\u043f\u0435\u0447\u043d\u0456 \u0434\u043b\u044f \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0445 \u0434\u0456\u0442\u0435\u0439 \u2014 \u0432\u0443\u0437\u044c\u043a\u0438\u0439 \u043a\u0440\u0430\u0439.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u042f\u043a \u043a\u0440\u0456\u043f\u0438\u0442\u0438 \u0432\u0435\u0440\u0445 \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432 \u0434\u043e \u043f\u0435\u0440\u0435\u043a\u0440\u0438\u0442\u0442\u044f?<\/summary><p>\u0427\u0435\u0440\u0435\u0437 \u0432\u0435\u0440\u0445\u043d\u044e \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0443 \u043d\u0430 \u0430\u043d\u043a\u0435\u0440\u0438 \u0430\u0431\u043e \u0434\u043e \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u043e\u0457 \u0440\u0430\u043c\u0438 \u0443 \u043f\u0440\u043e\u0440\u0456\u0437\u0456. \u0417\u0430\u043c\u0456\u0440\u043d\u0438\u043a \u043f\u0435\u0440\u0435\u0432\u0456\u0440\u044f\u0454 \u0442\u043e\u0432\u0449\u0438\u043d\u0443 \u0456 \u0442\u0438\u043f \u043f\u0435\u0440\u0435\u043a\u0440\u0438\u0442\u0442\u044f.<\/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>\u0421\u043f\u0440\u043e\u0454\u043a\u0442\u0443\u0454\u043c\u043e \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0456 \u0441\u0445\u043e\u0434\u0438 \u043f\u0456\u0434 \u0432\u0430\u0448 \u043f\u0440\u043e\u0440\u0456\u0437<\/h2>\n      <p>\u0417\u0430\u043b\u0438\u0448\u0442\u0435 \u0437\u0430\u044f\u0432\u043a\u0443 \u2014 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u0454\u043c\u043e \u0442\u043e\u0447\u043d\u0443 \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044e \u0456 \u043d\u0430\u0434\u0456\u0448\u043b\u0435\u043c\u043e 3D-\u0432\u0456\u0437\u0443\u0430\u043b\u0456\u0437\u0430\u0446\u0456\u044e.<\/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  <\/main>\n<\/div>\n\n<div class=\"modal-backdrop\" id=\"cta-modal\">\n  <div class=\"modal\">\n    <button class=\"modal-close\" onclick=\"SiteLayout.closeCtaModal()\">\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.<\/p>\n    <div class=\"form-summary\" id=\"modal-summary\"><\/div>\n    <form onsubmit=\"submitOrder(event)\">\n      <div class=\"input-group\"><label>\u0406\u043c'\u044f<\/label><input type=\"text\" name=\"name\" required><\/div>\n      <div class=\"input-group\"><label>\u0422\u0435\u043b\u0435\u0444\u043e\u043d<\/label><input type=\"tel\" name=\"phone\" required><\/div>\n      <div class=\"input-group\"><label>\u041a\u043e\u043c\u0435\u043d\u0442\u0430\u0440<\/label><input type=\"text\" name=\"comment\"><\/div>\n      <button type=\"submit\" class=\"btn btn-primary\" style=\"width:100%;\">\u0412\u0456\u0434\u043f\u0440\u0430\u0432\u0438\u0442\u0438<\/button>\n    <\/form>\n  <\/div>\n<\/div>\n\n<script>\nconst P = window.STAIR_PRICES;\nfunction val(id) { return +document.getElementById(id).value; }\n\nfunction openOrderModal() {\n  const c = window.__lastCalc;\n  let s = '<strong>\u0413\u0432\u0438\u043d\u0442\u043e\u0432\u0456 \u0441\u0445\u043e\u0434\u0438<\/strong>';\n  if (c) s = `<strong>\u0413\u0432\u0438\u043d\u0442\u043e\u0432\u0456 \u0441\u0445\u043e\u0434\u0438 \u00d8${c.D} \u043c\u043c<\/strong><br>\n    \u0412\u0438\u0441\u043e\u0442\u0430: <strong>${c.H} \u043c\u043c<\/strong>, \u043a\u0443\u0442: <strong>${c.turnAngle}\u00b0<\/strong> (${c.turns} \u0432\u0438\u0442\u043a\u0456\u0432)<br>\n    \u0421\u0445\u043e\u0434\u0438\u043d\u043e\u043a: <strong>${c.N}<\/strong>, \u043a\u0443\u0442 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438: <strong>${c.stepAngle}\u00b0<\/strong><br>\n    \u041a\u043e\u043b\u043e\u043d\u0430 \u00d8${c.columnD} \u043c\u043c (${P.labelMetal(c.metal)})<br>\n    \u0421\u0445\u043e\u0434\u0438\u043d\u043a\u0438: <strong>${c.stepMaterialLabel}<\/strong><br>\n    \u0412\u0430\u0440\u0442\u0456\u0441\u0442\u044c: <strong>${c.totalPrice.toLocaleString('uk-UA')} \u0433\u0440\u043d<\/strong>`;\n  SiteLayout.openCtaModal(s);\n}\nfunction submitOrder(e) {\n  e.preventDefault();\n  console.log('\u0417\u0430\u044f\u0432\u043a\u0430:', { ...Object.fromEntries(new FormData(e.target)), calc: window.__lastCalc });\n  alert('\u0414\u044f\u043a\u0443\u0454\u043c\u043e!');\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;\n  const D = val('diameter');\n  const columnD = +document.getElementById('column-d').value;\n  const turnAngleDeg = +document.getElementById('turn-angle').value;\n  const turnAngleRad = turnAngleDeg * Math.PI \/ 180;\n  const stepMaterial = document.getElementById('step-material').value;\n  const material = document.getElementById('material').value;\n  const thickness = val('step-thickness');\n  const metal = document.getElementById('metal').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  const R = D \/ 2;\n  const r = columnD \/ 2;\n  const Rmid = (R + r) \/ 2;\n  const tapeWidth = R - r;\n\n  const optimalStepH = 170;\n  let N = Math.max(6, Math.round(H \/ optimalStepH));\n  const h = H \/ N;\n  const turns = turnAngleDeg \/ 360;\n\n  const stepAngleRad = turnAngleRad \/ N;\n  const stepAngleDeg = turnAngleDeg \/ N;\n\n  const dMid = Rmid * stepAngleRad;\n  const dOuter = R * stepAngleRad;\n  const dInner = r * stepAngleRad;\n\n  const areaPlan = Math.PI * (R * R - r * r) \/ 1e6;\n\n  const stepsPerTurn = 360 \/ stepAngleDeg;\n  const headroom = stepsPerTurn * h;\n\n  const blondelMid = 2 * h + dMid;\n\n  const columnLen = H;\n  const priceColumn = Math.round((columnLen \/ 1000) * P.SPIRAL_COLUMN_PER_M[metal]);\n\n  let priceSteps = 0;\n  let stepMaterialLabel = '';\n  if (stepMaterial === 'wood') {\n    const volPerStep = (R * R - r * r) * stepAngleRad \/ 2 * thickness \/ 1e9 * 1.4;\n    priceSteps = Math.round(N * volPerStep * P.WOOD[material]);\n    stepMaterialLabel = P.labelWood(material) + ' (\u043c\u0430\u0441\u0438\u0432)';\n  } else if (stepMaterial === 'metal') {\n    const areaStepM2 = (R * R - r * r) * stepAngleRad \/ 2 \/ 1e6;\n    const massPerStep = areaStepM2 * 0.01 * 7850 + 2.5;\n    priceSteps = Math.round(N * massPerStep * P.METAL[metal === 'steel_inox' ? 'steel_inox' : metal === 'steel_forged' ? 'steel_forged' : 'steel_powder']);\n    stepMaterialLabel = '\u0440\u0438\u0444\u043b\u0435\u043d\u0430 \u0441\u0442\u0430\u043b\u044c';\n  } else if (stepMaterial === 'glass') {\n    const areaStepM2 = (R * R - r * r) * stepAngleRad \/ 2 \/ 1e6;\n    priceSteps = Math.round(N * areaStepM2 * 3500 * 1.3);\n    stepMaterialLabel = '\u0441\u043a\u043b\u043e \u0442\u0440\u0438\u043f\u043b\u0435\u043a\u0441';\n  }\n\n  const handrailLen = (R * turnAngleRad) \/ 1000;\n  let balCoef = 1.0;\n  let balLabel = '';\n  if (balustrade === 'simple')        { balCoef = 0.7; balLabel = '\u043f\u0440\u043e\u0441\u0442\u0456 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438'; }\n  else if (balustrade === 'classic')  { balCoef = 1.0; balLabel = '\u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438 + \u0434\u0435\u0440. \u043f\u043e\u0440\u0443\u0447\u0435\u043d\u044c'; }\n  else if (balustrade === 'modern')   { balCoef = 1.6; balLabel = '\u043d\u0435\u0440\u0436\u0430\u0432\u0456\u0439\u043a\u0430 + \u0441\u043a\u043b\u043e'; }\n  else if (balustrade === 'forged')   { balCoef = 1.8; balLabel = '\u043a\u0443\u0432\u0430\u043d\u043d\u044f'; }\n  const basePerMeter = stepMaterial === 'wood' ? P.BALUSTRADE_PER_METER[material] : 5500;\n  const priceBalustrade = Math.round(handrailLen * basePerMeter * balCoef);\n\n  let priceCoating = 0;\n  if (stepMaterial === 'wood') {\n    priceCoating = Math.round(areaPlan * P.COATING_PER_M2[coating].price);\n  }\n\n  const priceHardware = N * 350;\n\n  const priceMaterials = priceColumn + priceSteps + priceBalustrade + priceHardware;\n  const totalMaterial = priceMaterials + priceCoating;\n\n  let priceProduction = 0, priceInstall = 0;\n  if (works === 'production' || works === 'full') {\n    priceProduction = Math.round(totalMaterial * P.WORKS.production_coef * regionCoef * 1.4);\n  }\n  if (works === 'full') priceInstall = Math.round(P.WORKS.install_spiral * regionCoef);\n\n  const totalPrice = totalMaterial + priceProduction + priceInstall;\n\n  const rows = [\n    [`\u0426\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u0430 \u043a\u043e\u043b\u043e\u043d\u0430 \u00d8${columnD} \u043c\u043c (${P.labelMetal(metal)}), ${(columnLen\/1000).toFixed(2)} \u043c`, priceColumn],\n    [`\u0421\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${N} \u0448\u0442 (${stepMaterialLabel})`, priceSteps],\n    [`\u041f\u043e\u0440\u0443\u0447\u043d\u0456 \u043f\u043e \u0441\u043f\u0456\u0440\u0430\u043b\u0456 (${balLabel}, ${handrailLen.toFixed(2)} \u043c)`, priceBalustrade],\n    [`\u0424\u0443\u0440\u043d\u0456\u0442\u0443\u0440\u0430 (\u0444\u043b\u0430\u043d\u0446\u0456, \u0448\u043f\u0438\u043b\u044c\u043a\u0438 \u043d\u0430 ${N} \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a)`, priceHardware]\n  ];\n  if (priceCoating > 0) rows.push([P.labelCoating(coating), priceCoating]);\n  if (priceProduction > 0) rows.push(['\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f (\u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f, \u043a\u043b\u0438\u043d\u0438)', priceProduction]);\n  if (priceInstall > 0) rows.push(['\u041c\u043e\u043d\u0442\u0430\u0436 \u043d\u0430 \u043e\u0431\\'\u0454\u043a\u0442\u0456', priceInstall]);\n\n  document.getElementById('price-breakdown').innerHTML = rows.map(([l, s]) => `<tr><td>${l}<\/td><td>${P.fmt(s)}<\/td><\/tr>`).join('');\n  document.getElementById('price-total').textContent = P.fmt(totalPrice);\n\n  document.getElementById('r-count').innerHTML = N + '<span class=\"unit\">\u0448\u0442<\/span>';\n  document.getElementById('r-step-h').innerHTML = Math.round(h) + '<span class=\"unit\">\u043c\u043c<\/span>';\n  document.getElementById('r-angle').innerHTML = stepAngleDeg.toFixed(1) + '<span class=\"unit\">\u00b0<\/span>';\n  document.getElementById('r-step-d').innerHTML = Math.round(dMid) + '<span class=\"unit\">\u043c\u043c<\/span>';\n  document.getElementById('d-diameter').textContent = D + ' \u043c\u043c';\n  document.getElementById('d-column').textContent = columnD + ' \u043c\u043c';\n  document.getElementById('d-turns').textContent = turns.toFixed(2);\n  document.getElementById('d-headroom').textContent = Math.round(headroom) + ' \u043c\u043c';\n  document.getElementById('d-area').textContent = areaPlan.toFixed(2) + ' \u043c\u00b2';\n\n  window.__lastCalc = { H, D, columnD, turnAngle: turnAngleDeg, turns: turns.toFixed(2), N, h: Math.round(h), stepAngle: stepAngleDeg.toFixed(1), dMid: Math.round(dMid), stepMaterial, stepMaterialLabel, material, metal, totalPrice };\n\n  document.getElementById('comfort-value').textContent = Math.round(blondelMid) + ' \u043c\u043c';\n  const pct = Math.max(0, Math.min(100, ((blondelMid - 550) \/ 150) * 100));\n  document.getElementById('comfort-indicator').style.left = pct + '%';\n\n  const N_ = P.NORMS, w = [];\n  if (h < N_.stepHeightMin) w.push(['err', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(h)} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443 \u0414\u0411\u041d`]);\n  else if (h > N_.stepHeightMax) w.push(['err', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(h)} \u043c\u043c \u0431\u0456\u043b\u044c\u0448\u0430 \u0437\u0430 \u043d\u043e\u0440\u043c\u0443 \u0414\u0411\u041d`]);\n  else w.push(['ok', `\u0412\u0438\u0441\u043e\u0442\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${Math.round(h)} \u043c\u043c \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u0414\u0411\u041d`]);\n  if (dMid < 200) w.push(['err', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 ${Math.round(dMid)} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u043c\u0456\u043d\u0456\u043c\u0443\u043c \u0434\u043b\u044f \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445 (200 \u043c\u043c) \u2014 \u0437\u0431\u0456\u043b\u044c\u0448\u0456\u0442\u044c \u0434\u0456\u0430\u043c\u0435\u0442\u0440 \u0430\u0431\u043e \u0437\u043c\u0435\u043d\u0448\u0456\u0442\u044c \u043a\u0443\u0442 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0443`]);\n  else if (dMid < 230) w.push(['warn', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 ${Math.round(dMid)} \u043c\u043c \u0433\u0440\u0430\u043d\u0438\u0447\u043d\u0430 \u2014 \u043a\u043e\u0440\u0438\u0441\u0442\u0443\u0439\u0442\u0435\u0441\u044f \u043e\u0431\u0435\u0440\u0435\u0436\u043d\u0456\u0448\u0435`]);\n  else w.push(['ok', `\u0413\u043b\u0438\u0431\u0438\u043d\u0430 \u043d\u0430 \u0441\u0435\u0440\u0435\u0434\u043d\u0456\u0439 \u043b\u0456\u043d\u0456\u0457 ${Math.round(dMid)} \u043c\u043c \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u043d\u0430 \u0434\u043b\u044f \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u0438\u0445`]);\n  if (D < 1400) w.push(['err', `\u0414\u0456\u0430\u043c\u0435\u0442\u0440 ${D} \u043c\u043c \u043c\u0435\u043d\u0448\u0438\u0439 \u0437\u0430 \u043c\u0456\u043d\u0456\u043c\u0443\u043c \u0414\u0411\u041d (1400 \u043c\u043c)`]);\n  else if (D < 1800) w.push(['warn', `\u0414\u0456\u0430\u043c\u0435\u0442\u0440 ${D} \u043c\u043c \u2014 \u0431\u0430\u0437\u043e\u0432\u0438\u0439, \u0434\u043b\u044f \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u0443 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0454\u043c\u043e \u0432\u0456\u0434 1800 \u043c\u043c`]);\n  else w.push(['ok', `\u0414\u0456\u0430\u043c\u0435\u0442\u0440 ${D} \u043c\u043c \u0437\u0430\u0431\u0435\u0437\u043f\u0435\u0447\u0443\u0454 \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u043d\u0438\u0439 \u043f\u0456\u0434\u0439\u043e\u043c`]);\n  if (stepAngleDeg > 35) w.push(['err', `\u041a\u0443\u0442 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${stepAngleDeg.toFixed(1)}\u00b0 \u0437\u0430\u043d\u0430\u0434\u0442\u043e \u0432\u0435\u043b\u0438\u043a\u0438\u0439 \u2014 \u043d\u0435\u0431\u0435\u0437\u043f\u0435\u0447\u043d\u043e`]);\n  else if (stepAngleDeg < 20) w.push(['warn', `\u041a\u0443\u0442 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${stepAngleDeg.toFixed(1)}\u00b0 \u0437\u0430\u043c\u0430\u043b\u0438\u0439 \u2014 \u043d\u0435\u0435\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u0435 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f \u0432\u0438\u0442\u043a\u0430`]);\n  else w.push(['ok', `\u041a\u0443\u0442 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${stepAngleDeg.toFixed(1)}\u00b0 \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u0438\u0439`]);\n  if (headroom < N_.headroomMin) w.push(['err', `\u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u0443 \u043f\u0456\u0434 \u0432\u0438\u0442\u043a\u043e\u043c ${Math.round(headroom)} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 2000 \u043c\u043c \u2014 \u0432\u0438\u0441\u043e\u043a\u0430 \u043b\u044e\u0434\u0438\u043d\u0430 \u0432\u0434\u0430\u0440\u0438\u0442\u044c\u0441\u044f \u0433\u043e\u043b\u043e\u0432\u043e\u044e`]);\n  else w.push(['ok', `\u0412\u0438\u0441\u043e\u0442\u0430 \u043f\u0440\u043e\u0445\u043e\u0434\u0443 ${Math.round(headroom)} \u043c\u043c \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0430\u0454 \u0414\u0411\u041d`]);\n  if (blondelMid < N_.blondelMin) w.push(['warn', `\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c: ${Math.round(blondelMid)} \u043c\u043c \u2014 \u0434\u043b\u044f \u0433\u0432\u0438\u043d\u0442\u043e\u0432\u043e\u0457 \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e \u0442\u0440\u043e\u0445\u0438 \u043c\u0435\u043d\u0448\u0435 600 \u043c\u043c`]);\n  else w.push(['ok', `\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c: ${Math.round(blondelMid)} \u043c\u043c \u2014 \u043a\u043e\u043c\u0444\u043e\u0440\u0442\u043d\u043e`]);\n\n  document.getElementById('warnings').innerHTML = w.map(([t, m]) => `<div class=\"warning-item ${t}\"><span>${t === 'ok' ? '\u2713' : t === 'warn' ? '\u26a0' : '\u2715'}<\/span><span>${m}<\/span><\/div>`).join('');\n\n  drawStairs({ D, columnD, N, turnAngleDeg });\n}\n\nfunction drawStairs({ D, columnD, N, turnAngleDeg }) {\n  const svg = document.getElementById('stairs-svg');\n  const Ws = 800, HTs = 500;\n  const cx = Ws \/ 2, cy = HTs \/ 2;\n  const maxR = Math.min(Ws, HTs) \/ 2 - 40;\n  const scale = maxR \/ (D \/ 2);\n  const R = (D \/ 2) * scale;\n  const r = (columnD \/ 2) * scale;\n\n  const stepAngle = turnAngleDeg \/ N;\n\n  let el = '';\n  el += `<circle cx=\"${cx}\" cy=\"${cy}\" r=\"${R}\" fill=\"#FDFBF7\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n\n  for (let i = 0; i < N; i++) {\n    const a1 = (i * stepAngle - 90) * Math.PI \/ 180;\n    const a2 = ((i + 1) * stepAngle - 90) * Math.PI \/ 180;\n    const x1in = cx + r * Math.cos(a1), y1in = cy + r * Math.sin(a1);\n    const x2in = cx + r * Math.cos(a2), y2in = cy + r * Math.sin(a2);\n    const x1out = cx + R * Math.cos(a1), y1out = cy + R * Math.sin(a1);\n    const x2out = cx + R * Math.cos(a2), y2out = cy + R * Math.sin(a2);\n    const large = stepAngle > 180 ? 1 : 0;\n    const fill = `hsl(30, 50%, ${70 + (i % 2) * 10}%)`;\n    el += `<path d=\"M ${x1in} ${y1in} L ${x1out} ${y1out} A ${R} ${R} 0 ${large} 1 ${x2out} ${y2out} L ${x2in} ${y2in} A ${r} ${r} 0 ${large} 0 ${x1in} ${y1in} z\" fill=\"${fill}\" stroke=\"#6B4423\" stroke-width=\"1\"\/>`;\n    const midA = ((i + 0.5) * stepAngle - 90) * Math.PI \/ 180;\n    const rLabel = (r + R) \/ 2;\n    const tx = cx + rLabel * Math.cos(midA);\n    const ty = cy + rLabel * Math.sin(midA);\n    if (stepAngle > 10) el += `<text x=\"${tx}\" y=\"${ty + 4}\" font-size=\"11\" fill=\"#6B4423\" text-anchor=\"middle\" font-weight=\"600\">${i + 1}<\/text>`;\n  }\n\n  el += `<circle cx=\"${cx}\" cy=\"${cy}\" r=\"${r}\" fill=\"#6B4423\" stroke=\"#2a1a0a\" stroke-width=\"1.5\"\/>`;\n\n  el += `<text x=\"${cx}\" y=\"${HTs - 20}\" font-size=\"11\" fill=\"#9B8F80\" text-anchor=\"middle\">\u00d8 ${D} \u043c\u043c, ${turnAngleDeg}\u00b0 (${(turnAngleDeg\/360).toFixed(2)} \u0432\u0438\u0442\u043a\u0456\u0432), ${N} \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/text>`;\n  el += `<text x=\"${Ws - 10}\" y=\"${HTs - 5}\" font-size=\"10\" fill=\"#9B8F80\" text-anchor=\"end\">\u0412\u0438\u0434 \u0437\u0432\u0435\u0440\u0445\u0443<\/text>`;\n\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":65892,"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-65839","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\/65839","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=65839"}],"version-history":[{"count":1,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65839\/revisions"}],"predecessor-version":[{"id":65882,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65839\/revisions\/65882"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media\/65892"}],"wp:attachment":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media?parent=65839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}