{"id":65840,"date":"2026-04-17T20:22:53","date_gmt":"2026-04-17T17:22:53","guid":{"rendered":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/modulnye-lestnicy\/"},"modified":"2026-04-21T21:23:16","modified_gmt":"2026-04-21T18:23:16","slug":"modulnye-lestnicy","status":"publish","type":"page","link":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/modulnye-lestnicy\/","title":{"rendered":"\u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438 \u043d\u0430 \u0437\u0430\u043c\u043e\u0432\u043b\u0435\u043d\u043d\u044f \u2014 \u0448\u0432\u0438\u0434\u043a\u0438\u0439 \u043c\u043e\u043d\u0442\u0430\u0436"},"content":{"rendered":"<div class=\"stair-layout\">\n  <main class=\"content\">\n\n    <section class=\"hero\">\n      <p class=\"subtitle\">\n        \u041c\u0435\u0442\u0430\u043b\u0435\u0432\u0438\u0439 \u00ab\u0445\u0440\u0435\u0431\u0435\u0442\u00bb \u0456\u0437 \u0440\u0435\u0433\u0443\u043b\u044c\u043e\u0432\u0430\u043d\u0438\u0445 \u043c\u043e\u0434\u0443\u043b\u0456\u0432-\u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0435\u0440\u0456\u0432 + \u0434\u0435\u0440\u0435\u0432'\u044f\u043d\u0456 \u0430\u0431\u043e\n        \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438. \u0413\u043d\u0443\u0447\u043a\u0430 \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044f \u2014 \u043f\u0440\u044f\u043c\u0456, \u0413-\u043f\u043e\u0434\u0456\u0431\u043d\u0456, \u0441\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0456.\n        \u0428\u0432\u0438\u0434\u043a\u0438\u0439 \u043c\u043e\u043d\u0442\u0430\u0436 \u043d\u0430 \u0431\u043e\u043b\u0442\u0430\u0445 \u0437\u0430 1 \u0434\u0435\u043d\u044c, \u043c\u043e\u0436\u043b\u0438\u0432\u0456\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u0457.\n      <\/p>\n      <div class=\"hero-features\">\n        <div class=\"hero-feature\"><strong>\u0432\u0456\u0434 32 000 \u20b4<\/strong><span>\u0421\u0442\u0430\u043b\u044c + \u0441\u043e\u0441\u043d\u0430<\/span><\/div>\n        <div class=\"hero-feature\"><strong>1 \u0434\u0435\u043d\u044c<\/strong><span>\u041c\u043e\u043d\u0442\u0430\u0436 \u043d\u0430 \u043e\u0431'\u0454\u043a\u0442\u0456<\/span><\/div>\n        <div class=\"hero-feature\"><strong>\u00b115\u00b0<\/strong><span>\u041f\u043e\u0432\u043e\u0440\u043e\u0442 \u043d\u0430 \u043c\u043e\u0434\u0443\u043b\u044c<\/span><\/div>\n        <div class=\"hero-feature\"><strong>14\u201318 \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 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n        <p>\u041a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u043c\u043e\u0434\u0443\u043b\u0456\u0432 = \u043a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a \u2212 1<\/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=\"2700\" min=\"2000\" max=\"5000\" 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=\"3400\" min=\"1500\" max=\"7000\" step=\"10\">\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0428\u0438\u0440\u0438\u043d\u0430 \u0441\u0445\u043e\u0434\u0456\u0432<\/label>\n            <input type=\"number\" id=\"width\" value=\"800\" min=\"600\" max=\"1200\" step=\"10\">\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>\u0422\u0438\u043f \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u0457<\/label>\n            <select id=\"config\">\n              <option value=\"straight\" selected>\u041f\u0440\u044f\u043c\u0456<\/option>\n              <option value=\"l_shape\">\u0413-\u043f\u043e\u0434\u0456\u0431\u043d\u0456 (\u0437 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u043e\u043c)<\/option>\n              <option value=\"c_shape\">\u041f-\u043f\u043e\u0434\u0456\u0431\u043d\u0456 (\u0434\u0432\u0430 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0438)<\/option>\n              <option value=\"spiral\">\u0421\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0456 (\u043d\u0430\u0432\u043a\u043e\u043b\u043e \u043e\u0441\u0456)<\/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\u0438\u0439<\/option>\n              <option value=\"plywood\">\u0428\u043b\u0456\u0444\u043e\u0432\u0430\u043d\u0430 \u0444\u0430\u043d\u0435\u0440\u0430<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u041f\u043e\u0440\u043e\u0434\u0430 \u0434\u0435\u0440\u0435\u0432\u0430<\/label>\n            <select id=\"material\">\n              <option value=\"sosna\" selected>\u0421\u043e\u0441\u043d\u0430<\/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          <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          <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<\/option>\n              <option value=\"no\" selected>\u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0438\u0439 (\u0445\u0430\u0439\u0442\u0435\u043a)<\/option>\n            <\/select>\n          <\/div>\n\n          <div class=\"calc-section-title\">\u041c\u0435\u0442\u0430\u043b\u043e\u043a\u0430\u0440\u043a\u0430\u0441<\/div>\n          <div class=\"input-group\">\n            <label>\u0422\u0438\u043f \u043f\u043e\u043a\u0440\u0438\u0442\u0442\u044f \u043c\u0435\u0442\u0430\u043b\u0443<\/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>\u041f\u043e\u0440\u043e\u0448\u043a\u043e\u0432\u0435 \u0444\u0430\u0440\u0431\u0443\u0432\u0430\u043d\u043d\u044f<\/option>\n              <option value=\"steel_inox\">\u041d\u0435\u0440\u0436\u0430\u0432\u0456\u0439\u043a\u0430 AISI 304<\/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<\/label>\n            <select id=\"balustrade\">\n              <option value=\"metal_simple\" selected>\u041c\u0435\u0442\u0430\u043b\u0435\u0432\u0456 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438<\/option>\n              <option value=\"metal_glass\">\u041d\u0435\u0440\u0436\u0430\u0432\u0456\u0439\u043a\u0430 + \u0441\u043a\u043b\u043e<\/option>\n              <option value=\"wood\">\u0414\u0435\u0440\u0435\u0432'\u044f\u043d\u0456 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438<\/option>\n              <option value=\"none\">\u0411\u0435\u0437 \u0431\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0438 (\u043f\u0440\u0438\u0441\u0442\u0456\u043d\u043d\u0430)<\/option>\n            <\/select>\n          <\/div>\n          <div class=\"input-group\">\n            <label>\u0411\u043e\u043a\u0456\u0432 \u0431\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0438<\/label>\n            <select id=\"bal-sides\">\n              <option value=\"1\" selected>\u041e\u0434\u0438\u043d \u0431\u0456\u043a<\/option>\n              <option value=\"2\">\u041e\u0431\u0438\u0434\u0432\u0430 \u0431\u043e\u043a\u0438<\/option>\n              <option value=\"0\">\u0411\u0435\u0437<\/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\">16<span class=\"unit\">\u0448\u0442<\/span><\/div><\/div>\n            <div class=\"result-card\"><div class=\"label\">\u041c\u043e\u0434\u0443\u043b\u0456\u0432<\/div><div class=\"value\" id=\"r-modules\">15<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\">227<span class=\"unit\">\u043c\u043c<\/span><\/div><\/div>\n          <\/div>\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          <div class=\"comfort-bar\">\n            <div class=\"comfort-label\"><span>\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c (2h + d)<\/span><strong id=\"comfort-value\">565 \u043c\u043c<\/strong><\/div>\n            <div class=\"comfort-scale\"><div class=\"comfort-indicator\" id=\"comfort-indicator\" style=\"left:10%\"><\/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>\u041a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044f<\/td><td id=\"d-config\">\u041f\u0440\u044f\u043c\u0456<\/td><\/tr>\n            <tr><td>\u041a\u0443\u0442 \u043d\u0430\u0445\u0438\u043b\u0443<\/td><td id=\"d-angle\">38.5\u00b0<\/td><\/tr>\n            <tr><td>\u0426\u0456\u043d\u0430 \u043e\u0434\u043d\u043e\u0433\u043e \u043c\u043e\u0434\u0443\u043b\u044f<\/td><td id=\"d-module-price\">2 000 \u0433\u0440\u043d<\/td><\/tr>\n            <tr><td>\u041f\u043b\u043e\u0449\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a<\/td><td id=\"d-area\">2.88 \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 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438<\/h2>\n      <p>\n        <strong>\u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438<\/strong> \u2014 \u0437\u0431\u0456\u0440\u043d\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f \u0437 \u043d\u0435\u0437\u0430\u043b\u0435\u0436\u043d\u0438\u0445\n        \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0438\u0445 \u043c\u043e\u0434\u0443\u043b\u0456\u0432 (\u0442\u0430\u043a \u0437\u0432\u0430\u043d\u0438\u0445 \u00ab\u043a\u043e\u0441\u043e\u0443\u0440\u0456\u0432-\u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0435\u0440\u0456\u0432\u00bb), \u044f\u043a\u0456\n        \u0437'\u0454\u0434\u043d\u0443\u044e\u0442\u044c\u0441\u044f \u0431\u043e\u043b\u0442\u0430\u043c\u0438 \u0443 \u0454\u0434\u0438\u043d\u0438\u0439 \u00ab\u0445\u0440\u0435\u0431\u0435\u0442\u00bb. \u0417\u0432\u0435\u0440\u0445\u0443 \u043d\u0430 \u043c\u043e\u0434\u0443\u043b\u0456 \u043a\u0440\u0456\u043f\u043b\u044f\u0442\u044c\u0441\u044f \u0434\u0435\u0440\u0435\u0432'\u044f\u043d\u0456\n        \u0430\u0431\u043e \u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0456 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438.\n      <\/p>\n      <p>\n        \u041a\u043b\u044e\u0447\u043e\u0432\u0430 \u043e\u0441\u043e\u0431\u043b\u0438\u0432\u0456\u0441\u0442\u044c \u2014 <strong>\u043a\u043e\u0436\u0435\u043d \u043c\u043e\u0434\u0443\u043b\u044c \u043c\u043e\u0436\u043d\u0430 \u043f\u043e\u0432\u0435\u0440\u043d\u0443\u0442\u0438 \u043d\u0430 \u00b115\u00b0<\/strong>\n        \u0432\u0456\u0434\u043d\u043e\u0441\u043d\u043e \u0441\u0443\u0441\u0456\u0434\u043d\u044c\u043e\u0433\u043e. \u0426\u0435 \u0434\u043e\u0437\u0432\u043e\u043b\u044f\u0454 \u0441\u0442\u0432\u043e\u0440\u044e\u0432\u0430\u0442\u0438 \u0431\u0443\u0434\u044c-\u044f\u043a\u0443 \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044e:\n        \u043f\u0440\u044f\u043c\u0443, \u0413-\u043f\u043e\u0434\u0456\u0431\u043d\u0443 \u0437 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u043e\u043c 90\u00b0, \u041f-\u043f\u043e\u0434\u0456\u0431\u043d\u0443, \u043d\u0430\u0432\u0456\u0442\u044c \u0441\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0443 \u0431\u0435\u0437\n        \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u043a\u043e\u043b\u043e\u043d\u0438. \u0411\u0435\u0437 \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f, \u0432\u0441\u0435 \u043d\u0430 \u0431\u043e\u043b\u0442\u0430\u0445 \u2014 \u0440\u043e\u0437\u0431\u0456\u0440\u043d\u0430 \u0442\u0430\n        \u043d\u0430\u043b\u0430\u0448\u0442\u043e\u0432\u0443\u0432\u0430\u043d\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f.\n      <\/p>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u041a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u0457 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432<\/h2>\n      <table class=\"materials-table\">\n        <thead><tr><th>\u041a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044f<\/th><th>\u041e\u043f\u0438\u0441<\/th><th>\u041f\u0440\u043e\u0435\u043a\u0446\u0456\u044f \u0443 \u043f\u043b\u0430\u043d\u0456<\/th><\/tr><\/thead>\n        <tbody>\n          <tr><td><strong>\u041f\u0440\u044f\u043c\u0456<\/strong><\/td><td>\u0423\u0441\u0456 \u043c\u043e\u0434\u0443\u043b\u0456 \u0432 \u043e\u0434\u043d\u0443 \u043b\u0456\u043d\u0456\u044e<\/td><td>L \u00d7 W (\u044f\u043a \u0437\u0432\u0438\u0447\u0430\u0439\u043d\u0456 \u043f\u0440\u044f\u043c\u0456)<\/td><\/tr>\n          <tr><td><strong>\u0413-\u043f\u043e\u0434\u0456\u0431\u043d\u0456<\/strong><\/td><td>\u041f\u043e\u0432\u043e\u0440\u043e\u0442 90\u00b0 \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u0431\u0456\u0436\u043d\u0456 \u043c\u043e\u0434\u0443\u043b\u0456<\/td><td>\u041a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e \u0443 \u043a\u0443\u0442<\/td><\/tr>\n          <tr><td><strong>\u041f-\u043f\u043e\u0434\u0456\u0431\u043d\u0456<\/strong><\/td><td>\u0414\u0432\u0430 \u043f\u043e\u0432\u043e\u0440\u043e\u0442\u0438 90\u00b0 \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u0431\u0456\u0436\u043d\u0456<\/td><td>U-\u0444\u043e\u0440\u043c\u0430, \u0449\u0435 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u0456\u0448\u0435<\/td><\/tr>\n          <tr><td><strong>\u0421\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0456<\/strong><\/td><td>\u041a\u043e\u0436\u0435\u043d \u043c\u043e\u0434\u0443\u043b\u044c \u043f\u043e\u0432\u0435\u0440\u043d\u0443\u0442\u0438\u0439 \u043d\u0430 15\u00b0<\/td><td>\u041a\u043e\u043b\u043e \u00d8 1.5\u20132.0 \u043c<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u041f\u0435\u0440\u0435\u0432\u0430\u0433\u0438 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u043e\u0457 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u0457<\/h2>\n      <div class=\"advantages-grid\">\n        <div class=\"advantage-card\"><span class=\"ico\">\u26a1<\/span><h3>\u0428\u0432\u0438\u0434\u043a\u0438\u0439 \u043c\u043e\u043d\u0442\u0430\u0436<\/h3><p>\u0417\u0431\u0438\u0440\u0430\u043d\u043d\u044f \u043d\u0430 \u043e\u0431'\u0454\u043a\u0442\u0456 \u0437\u0430 1 \u0434\u0435\u043d\u044c. \u0411\u0435\u0437 \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f, \u043b\u0438\u0448\u0435 \u0431\u043e\u043b\u0442\u043e\u0432\u0456 \u0437'\u0454\u0434\u043d\u0430\u043d\u043d\u044f. \u0428\u0443\u043c \u0456 \u043f\u0438\u043b \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u044c\u043d\u0456.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udcb0<\/span><h3>\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u0430 \u0446\u0456\u043d\u0430<\/h3><p>\u0412\u0456\u0434 32 000 \u0433\u0440\u043d \u043f\u0456\u0434 \u043a\u043b\u044e\u0447. \u0412 1.5\u20132 \u0440\u0430\u0437\u0438 \u0434\u0435\u0448\u0435\u0432\u0448\u0435 \u0437\u0430 \u043a\u043b\u0430\u0441\u0438\u0447\u043d\u0456 \u0434\u0435\u0440\u0435\u0432'\u044f\u043d\u0456 \u043d\u0430 \u043a\u043e\u0441\u043e\u0443\u0440\u0456.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udd04<\/span><h3>\u041f\u0435\u0440\u0435\u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044f<\/h3><p>\u041f\u0440\u0438 \u043f\u0435\u0440\u0435\u043f\u043b\u0430\u043d\u0443\u0432\u0430\u043d\u043d\u0456 \u2014 \u0440\u043e\u0437\u0456\u0431\u0440\u0430\u0442\u0438 \u0442\u0430 \u0437\u0456\u0431\u0440\u0430\u0442\u0438 \u0432 \u0456\u043d\u0448\u043e\u043c\u0443 \u043c\u0456\u0441\u0446\u0456 \u0430\u0431\u043e \u0437 \u0456\u043d\u0448\u043e\u044e \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u0454\u044e.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfd7\ufe0f<\/span><h3>\u041c\u0456\u043d\u0456\u043c\u0443\u043c \u043d\u0430\u0432\u0430\u043d\u0442\u0430\u0436\u0435\u043d\u043d\u044f<\/h3><p>\u041c\u0435\u0442\u0430\u043b\u0435\u0432\u0438\u0439 \u043a\u0430\u0440\u043a\u0430\u0441 \u043b\u0435\u0433\u043a\u0438\u0439. \u041d\u0435 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0454 \u043f\u0456\u0434\u0441\u0438\u043b\u0435\u043d\u043d\u044f \u043f\u0435\u0440\u0435\u043a\u0440\u0438\u0442\u0442\u044f, \u0441\u043f\u0438\u0440\u0430\u0454\u0442\u044c\u0441\u044f \u043d\u0430 \u0442\u043e\u0447\u043a\u0438.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83c\udfa8<\/span><h3>\u0421\u0443\u0447\u0430\u0441\u043d\u0438\u0439 \u0432\u0438\u0433\u043b\u044f\u0434<\/h3><p>\u0412\u0456\u0434\u043a\u0440\u0438\u0442\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f, \u0432\u0438\u0434\u043d\u043e \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044e. \u0406\u0434\u0435\u0430\u043b\u044c\u043d\u043e \u0434\u043b\u044f \u043b\u043e\u0444\u0442\u0443, \u0445\u0430\u0439\u0442\u0435\u043a\u0443, \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u0456\u0437\u043c\u0443.<\/p><\/div>\n        <div class=\"advantage-card\"><span class=\"ico\">\ud83d\udee0\ufe0f<\/span><h3>\u0422\u043e\u0447\u043d\u0456\u0441\u0442\u044c \u0432\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u0430<\/h3><p>\u0417\u0430\u0432\u043e\u0434\u0441\u044c\u043a\u0435 \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f \u043c\u043e\u0434\u0443\u043b\u0456\u0432 \u2014 \u0442\u043e\u0447\u043d\u0430 \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044f. \u041d\u0430 \u043e\u0431'\u0454\u043a\u0442\u0456 \u043b\u0438\u0448\u0435 \u0437\u0431\u0438\u0440\u0430\u043d\u043d\u044f.<\/p><\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u0426\u0456\u043d\u0430 \u043c\u043e\u0434\u0443\u043b\u044f \u0456 \u0437\u0430\u0433\u0430\u043b\u044c\u043d\u0438\u0439 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a<\/h2>\n      <p>\u0426\u0456\u043d\u0430 \u043e\u0434\u043d\u043e\u0433\u043e \u043c\u043e\u0434\u0443\u043b\u044f (\u00ab\u043a\u043e\u0441\u043e\u0443\u0440\u0430-\u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0435\u0440\u0430\u00bb) \u0437\u0430\u043b\u0435\u0436\u0438\u0442\u044c \u0432\u0456\u0434 \u0442\u0438\u043f\u0443 \u043f\u043e\u043a\u0440\u0438\u0442\u0442\u044f \u043c\u0435\u0442\u0430\u043b\u0443:<\/p>\n      <table class=\"materials-table\">\n        <thead><tr><th>\u041f\u043e\u043a\u0440\u0438\u0442\u0442\u044f<\/th><th>\u0426\u0456\u043d\u0430 \u0437\u0430 1 \u043c\u043e\u0434\u0443\u043b\u044c<\/th><th>\u0420\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0456\u044f<\/th><\/tr><\/thead>\n        <tbody>\n          <tr><td><strong>\u0427\u043e\u0440\u043d\u0430 \u0441\u0442\u0430\u043b\u044c + \u0491\u0440\u0443\u043d\u0442<\/strong><\/td><td class=\"price\">1 200 \u0433\u0440\u043d<\/td><td>\u0415\u043a\u043e\u043d\u043e\u043c, \u043f\u0440\u0438\u0445\u043e\u0432\u0430\u043d\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0456\u044f<\/td><\/tr>\n          <tr><td><strong>\u041f\u043e\u0440\u043e\u0448\u043a\u043e\u0432\u0435 \u0444\u0430\u0440\u0431\u0443\u0432\u0430\u043d\u043d\u044f<\/strong><\/td><td class=\"price\">1 800 \u0433\u0440\u043d<\/td><td>\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442, \u043a\u043e\u043b\u044c\u043e\u0440\u043e\u0432\u0456 \u0432\u0430\u0440\u0456\u0430\u043d\u0442\u0438<\/td><\/tr>\n          <tr><td><strong>\u041a\u043e\u0432\u0430\u043d\u0430 \u0441\u0442\u0430\u043b\u044c<\/strong><\/td><td class=\"price\">2 600 \u0433\u0440\u043d<\/td><td>\u0414\u0435\u043a\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u0430<\/td><\/tr>\n          <tr><td><strong>\u041d\u0435\u0440\u0436\u0430\u0432\u0456\u0439\u043a\u0430 AISI 304<\/strong><\/td><td class=\"price\">3 500 \u0433\u0440\u043d<\/td><td>\u041f\u0440\u0435\u043c\u0456\u0443\u043c, \u0431\u0435\u0437 \u043e\u0431\u0441\u043b\u0443\u0433\u043e\u0432\u0443\u0432\u0430\u043d\u043d\u044f<\/td><\/tr>\n        <\/tbody>\n      <\/table>\n      <p>\n        \u041a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u043c\u043e\u0434\u0443\u043b\u0456\u0432 = \u043a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u0441\u0445\u043e\u0434\u0438\u043d\u043e\u043a \u2212 1. \u041f\u043b\u044e\u0441: \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438, \u0431\u0430\u043b\u044e\u0441\u0442\u0440\u0430\u0434\u0430,\n        \u043c\u043e\u043d\u0442\u0430\u0436\u043d\u0438\u0439 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442 (\u0431\u043e\u043b\u0442\u0438, \u0430\u043d\u043a\u0435\u0440\u043d\u0456 \u043f\u043b\u0430\u0441\u0442\u0438\u043d\u0438, \u043a\u043b\u0435\u0439).\n      <\/p>\n    <\/section>\n\n    <section class=\"content-block\">\n      <h2>\u041a\u043e\u043b\u0438 \u043e\u0431\u0438\u0440\u0430\u0442\u0438 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438<\/h2>\n      <ul>\n        <li>\u0411\u044e\u0434\u0436\u0435\u0442 \u043e\u0431\u043c\u0435\u0436\u0435\u043d\u0438\u0439 (35 000 \u2013 80 000 \u0433\u0440\u043d).<\/li>\n        <li>\u041f\u0440\u043e\u0440\u0456\u0437 \u0443 \u043f\u0435\u0440\u0435\u043a\u0440\u0438\u0442\u0442\u0456 \u0432\u0436\u0435 \u0433\u043e\u0442\u043e\u0432\u0438\u0439 \u0456 \u043d\u0435\u0437\u043c\u0456\u043d\u043d\u0438\u0439.<\/li>\n        <li>\u0406\u043d\u0442\u0435\u0440'\u0454\u0440 \u0443 \u0441\u0442\u0438\u043b\u0456 \u043b\u043e\u0444\u0442, \u0445\u0430\u0439\u0442\u0435\u043a, \u043c\u0456\u043d\u0456\u043c\u0430\u043b\u0456\u0437\u043c.<\/li>\n        <li>\u041e\u0440\u0435\u043d\u0434\u043e\u0432\u0430\u043d\u0438\u0439 \u0431\u0443\u0434\u0438\u043d\u043e\u043a \/ \u043a\u0432\u0430\u0440\u0442\u0438\u0440\u0430 \u2014 \u043c\u043e\u0436\u043d\u0430 \u043f\u0435\u0440\u0435\u043d\u0435\u0441\u0442\u0438.<\/li>\n        <li>\u0422\u0438\u043c\u0447\u0430\u0441\u043e\u0432\u0435 \u0440\u0456\u0448\u0435\u043d\u043d\u044f \u043d\u0430 \u043f\u0435\u0440\u0456\u043e\u0434 \u0440\u0435\u043c\u043e\u043d\u0442\u0443 \u043e\u0441\u043d\u043e\u0432\u043d\u0438\u0445 \u0441\u0445\u043e\u0434\u0456\u0432.<\/li>\n        <li>\u0421\u043a\u043b\u0430\u0434\u043d\u0430 \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0456\u044f \u043f\u0440\u043e\u0440\u0456\u0437\u0443 (\u0432\u0443\u0437\u044c\u043a\u0438\u0439, \u0437 \u043f\u0435\u0440\u0435\u0448\u043a\u043e\u0434\u0430\u043c\u0438) \u2014 \u043c\u043e\u0434\u0443\u043b\u0456 \u0430\u0434\u0430\u043f\u0442\u0443\u044e\u0442\u044c\u0441\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>\u0417\u0430\u0434\u0430\u0439\u0442\u0435 \u0440\u043e\u0437\u043c\u0456\u0440\u0438 \u0442\u0430 \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044e \u0443 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0456.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0417\u0430\u043c\u0456\u0440<\/h3><p>\u0412\u0438\u0457\u0437\u0434 \u0437\u0430\u043c\u0456\u0440\u043d\u0438\u043a\u0430, \u0443\u0442\u043e\u0447\u043d\u0435\u043d\u043d\u044f \u0442\u043e\u0447\u043e\u043a \u043e\u043f\u043e\u0440\u0438.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u041f\u0440\u043e\u0454\u043a\u0442<\/h3><p>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u043d\u043e\u043a \u043a\u0456\u043b\u044c\u043a\u043e\u0441\u0442\u0456 \u043c\u043e\u0434\u0443\u043b\u0456\u0432 \u0442\u0430 \u0457\u0445\u043d\u0456\u0445 \u043a\u0443\u0442\u0456\u0432.<\/p><\/div>\n        <div class=\"step-card\"><h3>\u0412\u0438\u0440\u043e\u0431\u043d\u0438\u0446\u0442\u0432\u043e<\/h3><p>14\u201318 \u0434\u043d\u0456\u0432: \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f \u043c\u043e\u0434\u0443\u043b\u0456\u0432, \u043f\u043e\u0440\u043e\u0448\u043a\u043e\u0432\u0435 \u0444\u0430\u0440\u0431\u0443\u0432\u0430\u043d\u043d\u044f, \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 \u0434\u0435\u043d\u044c. \u0417\u0431\u0438\u0440\u0430\u043d\u043d\u044f \u043d\u0430 \u043e\u0431'\u0454\u043a\u0442\u0456 \u0431\u0435\u0437 \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f, \u043b\u0438\u0448\u0435 \u0431\u043e\u043b\u0442\u0438.<\/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.<\/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>\u0429\u043e \u0442\u0430\u043a\u0435 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438?<\/summary><p>\u041c\u0435\u0442\u0430\u043b\u0435\u0432\u0438\u0439 \u0445\u0440\u0435\u0431\u0435\u0442 \u0456\u0437 \u043c\u043e\u0434\u0443\u043b\u0456\u0432-\u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0435\u0440\u0456\u0432 \u043d\u0430 \u0431\u043e\u043b\u0442\u043e\u0432\u0438\u0445 \u0437'\u0454\u0434\u043d\u0430\u043d\u043d\u044f\u0445 + \u0434\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.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0417\u0430 \u0441\u043a\u0456\u043b\u044c\u043a\u0438 \u043c\u043e\u0436\u043d\u0430 \u0437\u0456\u0431\u0440\u0430\u0442\u0438 \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438?<\/summary><p>1 \u0434\u0435\u043d\u044c. \u0411\u0435\u0437 \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f \u043d\u0430 \u043e\u0431'\u0454\u043a\u0442\u0456, \u043b\u0438\u0448\u0435 \u0431\u043e\u043b\u0442\u043e\u0432\u0456 \u0437'\u0454\u0434\u043d\u0430\u043d\u043d\u044f.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u2014 \u043f\u043e\u0441\u0442\u0456\u0439\u043d\u0456 \u0447\u0438 \u0442\u0438\u043c\u0447\u0430\u0441\u043e\u0432\u0456?<\/summary><p>\u041f\u043e\u0441\u0442\u0456\u0439\u043d\u0456, 20+ \u0440\u043e\u043a\u0456\u0432. \u0410\u043b\u0435 \u0437\u0430 \u043f\u043e\u0442\u0440\u0435\u0431\u0438 \u043c\u043e\u0436\u043d\u0430 \u0440\u043e\u0437\u0456\u0431\u0440\u0430\u0442\u0438 \u0456 \u043f\u0435\u0440\u0435\u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0443\u0432\u0430\u0442\u0438.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0427\u0438 \u0441\u043a\u0440\u0438\u043f\u043b\u044f\u0442\u044c \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438?<\/summary><p>\u041c\u043e\u0436\u0443\u0442\u044c \u043f\u0440\u0438 \u0443\u0441\u0430\u0434\u0446\u0456 \u0431\u0443\u0434\u0438\u043d\u043a\u0443. \u0420\u0435\u0433\u0443\u043b\u044e\u0454\u0442\u044c\u0441\u044f \u0437\u0430\u0442\u044f\u0436\u043a\u043e\u044e \u0431\u043e\u043b\u0442\u0456\u0432. \u0420\u0430\u0437 \u043d\u0430 1\u20132 \u0440\u043e\u043a\u0438 \u2014 \u043f\u0456\u0434\u0442\u044f\u0436\u043a\u0430.<\/p><\/details>\n      <details class=\"faq-item\"><summary>\u0427\u0438 \u043c\u043e\u0436\u043d\u0430 \u0437\u0430\u043c\u0456\u043d\u0438\u0442\u0438 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u0431\u0435\u0437 \u0440\u043e\u0437\u0431\u0438\u0440\u0430\u043d\u043d\u044f \u043a\u0430\u0440\u043a\u0430\u0441\u0430?<\/summary><p>\u0422\u0430\u043a, \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0438 \u0432\u0456\u0434\u043a\u0440\u0443\u0447\u0443\u044e\u0442\u044c\u0441\u044f \u0437\u0432\u0435\u0440\u0445\u0443. \u0417\u0430 1 \u0433\u043e\u0434\u0438\u043d\u0443 \u0437\u0430\u043c\u0456\u043d\u044e\u0454\u0442\u044c\u0441\u044f \u0431\u0443\u0434\u044c-\u044f\u043a\u0430 \u0441\u0445\u043e\u0434\u0438\u043d\u043a\u0430.<\/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>\u0420\u043e\u0437\u0440\u0430\u0445\u0443\u0454\u043c\u043e \u043c\u043e\u0434\u0443\u043b\u044c\u043d\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 \u043f\u0456\u0434\u0431\u0435\u0440\u0435\u043c\u043e \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u0443 \u043a\u0456\u043b\u044c\u043a\u0456\u0441\u0442\u044c \u043c\u043e\u0434\u0443\u043b\u0456\u0432.<\/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>\u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438<\/strong>';\n  if (c) s = `<strong>\u041c\u043e\u0434\u0443\u043b\u044c\u043d\u0456 \u0441\u0445\u043e\u0434\u0438, ${c.configLabel}<\/strong><br>\n    \u0412\u0438\u0441\u043e\u0442\u0430: <strong>${c.H} \u043c\u043c<\/strong>, \u0434\u043e\u0432\u0436\u0438\u043d\u0430: <strong>${c.L} \u043c\u043c<\/strong>, \u0448\u0438\u0440\u0438\u043d\u0430: <strong>${c.W} \u043c\u043c<\/strong><br>\n    \u0421\u0445\u043e\u0434\u0438\u043d\u043e\u043a: <strong>${c.N}<\/strong>, \u043c\u043e\u0434\u0443\u043b\u0456\u0432: <strong>${c.modules}<\/strong><br>\n    \u0421\u0445\u043e\u0434\u0438\u043d\u043a\u0438: <strong>${c.stepMaterialLabel}<\/strong>, \u043a\u0430\u0440\u043a\u0430\u0441: <strong>${P.labelMetal(c.metal)}<\/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 L = val('length'), W = val('width');\n  const config = document.getElementById('config').value;\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 riser = document.getElementById('riser').value;\n  const balustrade = document.getElementById('balustrade').value;\n  const balSides = +document.getElementById('bal-sides').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 optimalStepH = 170;\n  let N = Math.max(4, Math.round(H \/ optimalStepH));\n  const h = H \/ N;\n  const treads = N - 1;\n  const stepD = L \/ treads;\n  const angle = Math.atan(H \/ L) * 180 \/ Math.PI;\n  const blondel = 2 * h + stepD;\n  const supportLen = Math.sqrt(H * H + L * L);\n\n  let modules = N - 1;\n  if (config === 'spiral') modules = N;\n  else if (config === 'l_shape') modules = N - 1 + 2;\n  else if (config === 'c_shape') modules = N - 1 + 4;\n\n  const treadArea = (treads * stepD * W) \/ 1e6;\n\n  const pricePerModule = P.MODULAR_UNIT[metal === 'steel_inox' ? 'steel_inox' : metal === 'steel_forged' ? 'steel_forged' : metal];\n  const priceModules = modules * pricePerModule;\n\n  let priceSteps = 0;\n  let stepMaterialLabel = '';\n  if (stepMaterial === 'wood') {\n    const volTreads = treads * stepD * W * thickness * P.WASTE \/ 1e9;\n    priceSteps = Math.round(volTreads * P.WOOD[material]);\n    stepMaterialLabel = P.labelWood(material) + ' (\u043c\u0430\u0441\u0438\u0432)';\n  } else if (stepMaterial === 'metal') {\n    const massPerStep = (stepD * W \/ 1e6) * 0.004 * 7850 + 2;\n    priceSteps = Math.round(treads * massPerStep * P.METAL[metal]);\n    stepMaterialLabel = '\u0440\u0438\u0444\u043b\u0435\u043d\u0430 \u0441\u0442\u0430\u043b\u044c';\n  } else {\n    priceSteps = Math.round(treadArea * 1.3 * 2200);\n    stepMaterialLabel = '\u0448\u043b\u0456\u0444\u043e\u0432\u0430\u043d\u0430 \u0444\u0430\u043d\u0435\u0440\u0430';\n  }\n\n  let priceRisers = 0;\n  if (riser === 'yes' && stepMaterial === 'wood') {\n    const volRisers = N * h * W * 20 * P.WASTE \/ 1e9;\n    priceRisers = Math.round(volRisers * P.WOOD[material]);\n  }\n\n  let priceBalustrade = 0;\n  let balLabel = '';\n  if (balustrade !== 'none' && balSides > 0) {\n    const balLen = supportLen \/ 1000;\n    let perMeter = 5500;\n    if (balustrade === 'metal_simple')      { perMeter = 3800; balLabel = '\u043c\u0435\u0442\u0430\u043b\u0435\u0432\u0456 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438'; }\n    else if (balustrade === 'metal_glass')  { perMeter = 9500; balLabel = '\u043d\u0435\u0440\u0436\u0430\u0432\u0456\u0439\u043a\u0430 + \u0441\u043a\u043b\u043e'; }\n    else if (balustrade === 'wood')         { perMeter = P.BALUSTRADE_PER_METER[material]; balLabel = '\u0434\u0435\u0440\u0435\u0432\\'\u044f\u043d\u0456 \u0431\u0430\u043b\u044f\u0441\u0438\u043d\u0438'; }\n    priceBalustrade = Math.round(balLen * perMeter * balSides);\n  }\n\n  let priceCoating = 0;\n  if (stepMaterial === 'wood' && coating !== 'none') {\n    const coatingArea = treadArea + (riser === 'yes' ? treadArea * 0.6 : 0) + (balSides > 0 && balustrade === 'wood' ? supportLen \/ 1000 * 0.8 * balSides : 0);\n    priceCoating = Math.round(coatingArea * P.COATING_PER_M2[coating].price);\n  }\n\n  const priceHardware = Math.round(modules * 120 + 2500);\n\n  const priceMaterials = priceModules + priceSteps + priceRisers + 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 * 0.6);\n  }\n  if (works === 'full') priceInstall = Math.round(P.WORKS.install_modular * regionCoef);\n  const totalPrice = totalMaterial + priceProduction + priceInstall;\n\n  const configLabels = { straight: '\u043f\u0440\u044f\u043c\u0456', l_shape: '\u0413-\u043f\u043e\u0434\u0456\u0431\u043d\u0456', c_shape: '\u041f-\u043f\u043e\u0434\u0456\u0431\u043d\u0456', spiral: '\u0441\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0456' };\n  const configLabel = configLabels[config];\n\n  const rows = [\n    [`\u041c\u043e\u0434\u0443\u043b\u0456-\u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0435\u0440\u0438 ${modules} \u0448\u0442 (${P.labelMetal(metal)})`, priceModules],\n    [`\u0421\u0445\u043e\u0434\u0438\u043d\u043a\u0438 ${treads} \u0448\u0442 (${stepMaterialLabel})`, priceSteps]\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 (${balLabel}, ${balSides} \u0441\u0442.)`, priceBalustrade]);\n  if (priceCoating > 0) rows.push([P.labelCoating(coating), priceCoating]);\n  rows.push(['\u041c\u043e\u043d\u0442\u0430\u0436\u043d\u0438\u0439 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442 (\u0431\u043e\u043b\u0442\u0438, \u0430\u043d\u043a\u0435\u0440\u0438)', priceHardware]);\n  if (priceProduction > 0) rows.push(['\u0412\u0438\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044f (\u0437\u0430\u0432\u043e\u0434\u0441\u044c\u043a\u0435 \u0437\u0432\u0430\u0440\u044e\u0432\u0430\u043d\u043d\u044f)', priceProduction]);\n  if (priceInstall > 0) rows.push(['\u041c\u043e\u043d\u0442\u0430\u0436 \u043d\u0430 \u043e\u0431\\'\u0454\u043a\u0442\u0456 (1 \u0434\u0435\u043d\u044c)', priceInstall]);\n\n  document.getElementById('price-breakdown').innerHTML = rows.map(([l, s]) => `<tr><td>${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-modules').innerHTML = modules + '<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-step-d').innerHTML = Math.round(stepD) + '<span class=\"unit\">\u043c\u043c<\/span>';\n  document.getElementById('d-config').textContent = configLabel;\n  document.getElementById('d-angle').textContent = angle.toFixed(1) + '\u00b0';\n  document.getElementById('d-module-price').textContent = P.fmt(pricePerModule);\n  document.getElementById('d-area').textContent = treadArea.toFixed(2) + ' \u043c\u00b2';\n\n  window.__lastCalc = { H, L, W, N, modules, h: Math.round(h), stepD: Math.round(stepD), config, configLabel, stepMaterial, stepMaterialLabel, material, metal, totalPrice };\n\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  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 (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`]);\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`]);\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 ${angle.toFixed(1)}\u00b0 \u043f\u0435\u0440\u0435\u0432\u0438\u0449\u0443\u0454 45\u00b0`]);\n  else if (angle < N_.angleMin) w.push(['warn', `\u041a\u0443\u0442 ${angle.toFixed(1)}\u00b0 \u0437\u0430\u043c\u0430\u043b\u0438\u0439`]);\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`]);\n  if (W < 800) 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 \u0434\u043b\u044f \u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0438\u0445 (800 \u043c\u043c)`]);\n  if (W < N_.widthMin) w.push(['warn', `\u0428\u0438\u0440\u0438\u043d\u0430 ${W} \u043c\u043c \u043c\u0435\u043d\u0448\u0430 \u0437\u0430 \u0448\u0438\u0440\u0438\u043d\u0443 \u0414\u0411\u041d \u0434\u043b\u044f \u0436\u0438\u0442\u043b\u043e\u0432\u0438\u0445 (900 \u043c\u043c). \u0414\u043b\u044f \u0435\u043a\u043e\u043d\u043e\u043c-\u043c\u043e\u0434\u0443\u043b\u044c\u043d\u0438\u0445 \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e.`]);\n  if (config === 'spiral' && W > 1000) w.push(['warn', `\u0414\u043b\u044f \u0441\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u043e\u0457 \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u0457 \u0448\u0438\u0440\u0438\u043d\u0430 > 1000 \u043c\u043c \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0432\u0430\u0442\u0438\u043c\u0435 \u0437\u0431\u0456\u043b\u044c\u0448\u0435\u043d\u0438\u0445 \u043c\u043e\u0434\u0443\u043b\u0456\u0432`]);\n  if (blondel < N_.blondelMin || blondel > N_.blondelMax) w.push(['warn', `\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c: ${Math.round(blondel)} \u043c\u043c \u2014 \u0456\u0434\u0435\u0430\u043b 600\u2013640 \u043c\u043c`]);\n  else w.push(['ok', `\u0411\u043b\u043e\u043d\u0434\u0435\u043b\u044c: ${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]) => `<div class=\"warning-item ${t}\"><span>${t === 'ok' ? '\u2713' : t === 'warn' ? '\u26a0' : '\u2715'}<\/span><span>${m}<\/span><\/div>`).join('');\n\n  drawStairs({ H, L, N, h, stepD, treads, thickness, config });\n}\n\nfunction drawStairs({ H, L, N, h, stepD, treads, thickness, config }) {\n  const svg = document.getElementById('stairs-svg');\n  const Ws = 800, HTs = 420, pad = 50;\n\n  let el = '';\n  if (config === 'spiral') {\n    const cx = Ws \/ 2, cy = HTs \/ 2;\n    const R = 120;\n    el += `<circle cx=\"${cx}\" cy=\"${cy}\" r=\"${R}\" fill=\"#FDFBF7\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n    for (let i = 0; i < N; i++) {\n      const a1 = (360 \/ N) * i * Math.PI \/ 180 - Math.PI \/ 2;\n      const a2 = (360 \/ N) * (i + 1) * Math.PI \/ 180 - Math.PI \/ 2;\n      el += `<path d=\"M ${cx} ${cy} L ${cx + R * Math.cos(a1)} ${cy + R * Math.sin(a1)} A ${R} ${R} 0 0 1 ${cx + R * Math.cos(a2)} ${cy + R * Math.sin(a2)} z\" fill=\"${i % 2 ? '#D4A574' : '#E5DFD3'}\" stroke=\"#6B4423\" stroke-width=\"1\"\/>`;\n    }\n    el += `<circle cx=\"${cx}\" cy=\"${cy}\" r=\"15\" fill=\"#6B4423\"\/>`;\n    el += `<text x=\"${cx}\" y=\"${HTs - 20}\" font-size=\"11\" fill=\"#9B8F80\" text-anchor=\"middle\">\u0421\u043f\u0456\u0440\u0430\u043b\u044c\u043d\u0430 \u043a\u043e\u043d\u0444\u0456\u0433\u0443\u0440\u0430\u0446\u0456\u044f, ${N} \u043c\u043e\u0434\u0443\u043b\u0456\u0432<\/text>`;\n  } else {\n    const scale = Math.min((Ws - 2*pad) \/ L, (HTs - 2*pad) \/ H);\n    const sL = L*scale, sH = H*scale;\n    const ox = (Ws - sL)\/2, oy = HTs - pad;\n    const sStepH = h*scale, sStepD = stepD*scale;\n\n    el += `<line x1=\"${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=\"${oy-sH}\" stroke=\"#8B5A2B\" stroke-width=\"2\"\/>`;\n\n    el += `<line x1=\"${ox}\" y1=\"${oy}\" x2=\"${ox+sL}\" y2=\"${oy-sH}\" stroke=\"#333\" stroke-width=\"5\" stroke-linecap=\"round\"\/>`;\n\n    for (let i = 0; i <= N; i++) {\n      const t = i \/ N;\n      const x = ox + t * sL, y = oy - t * sH;\n      el += `<circle cx=\"${x}\" cy=\"${y}\" r=\"6\" fill=\"#666\" stroke=\"#2a1a0a\"\/>`;\n    }\n\n    for (let i = 0; i < treads; i++) {\n      const x = ox + i*sStepD, y = oy - (i+1)*sStepH;\n      el += `<rect x=\"${x}\" y=\"${y - Math.max(3, thickness*scale)}\" width=\"${sStepD}\" height=\"${Math.max(3, thickness*scale)}\" fill=\"#D4A574\" stroke=\"#6B4423\"\/>`;\n      if (sStepD > 20 && sStepH > 15)\n        el += `<text x=\"${x + sStepD\/2}\" y=\"${y + sStepH\/2 + 4}\" font-size=\"11\" fill=\"#6B4423\" text-anchor=\"middle\">${i+1}<\/text>`;\n    }\n\n    const dc = '#9B8F80';\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 = ${H} \u043c\u043c<\/text>`;\n    el += `<text x=\"${ox+sL\/2}\" y=\"${oy+42}\" font-size=\"12\" fill=\"${dc}\" text-anchor=\"middle\">L = ${L} \u043c\u043c<\/text>`;\n    el += `<text x=\"${Ws-10}\" y=\"${HTs-10}\" font-size=\"10\" fill=\"#9B8F80\" text-anchor=\"end\">\u041c\u0435\u0442\u0430\u043b\u0435\u0432\u0438\u0439 \u0445\u0440\u0435\u0431\u0435\u0442 \u0456\u0437 \u043c\u043e\u0434\u0443\u043b\u044f\u043c\u0438<\/text>`;\n  }\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":65893,"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-65840","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\/65840","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=65840"}],"version-history":[{"count":1,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65840\/revisions"}],"predecessor-version":[{"id":65883,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/pages\/65840\/revisions\/65883"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media\/65893"}],"wp:attachment":[{"href":"https:\/\/xn-----7kcbab1abvc5agjt7t.xn--j1amh\/uk\/wp-json\/wp\/v2\/media?parent=65840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}