doc: update index design
diff --git a/_jade/en/index.jade b/_jade/en/index.jade
index ffe294e..9276544 100644
--- a/_jade/en/index.jade
+++ b/_jade/en/index.jade
@@ -131,7 +131,7 @@
                 .container
                     .col-sm-8.col
                         h2 ECharts: A Declarative Framework for Rapid Construction of Web-based Visualization
-                        p.note <i class="note-icon"><img classs="lazy" data-src="#{cdnPayRoot}/#{ecWWWLang}/images/note.svg?_v_=#{cdnPayVersion}" /></i> Please cite the following paper whenever you use ECharts in your R&D projects, products, research papers, technical reports, news reports, books, presentations, teaching, patents, and other related intelligence activities.
+                        p.note <i class="note-icon"><img classs="lazy" data-src="#{cdnPayRoot}/#{ecWWWLang}/images/note.svg?_v_=#{cdnPayVersion}" /></i> You are welcomed to cite this paper whenever you use ECharts in your R&D projects, products, research papers, technical reports, news reports, books, presentations, teaching, patents, and other related intelligence activities.
                         p.link Visual Informatics, 2018
                             a(href="https://www.sciencedirect.com/science/article/pii/S2468502X18300068") [PDF]
                     .col-sm-4.col
diff --git a/_jade/zh/index.jade b/_jade/zh/index.jade
index 7a90a8b..08ee6fd 100644
--- a/_jade/zh/index.jade
+++ b/_jade/zh/index.jade
@@ -14,7 +14,7 @@
     .page-main#page-index
         #main-content
             section#home-section
-                .home-brand-panel.description
+                .home-brand-panel.description.container
                     .home-info
                         .home-apache Apache
                         .home-brand ECharts
@@ -39,81 +39,53 @@
 
             section#feature-section
                 .container
-                    .features
-                        .title
-                            .content ECharts Features
-                            hr
-                            p 我们希望 ECharts 可能满足你的任何数据可视化的需求,并且让这一切都变得更加
-                            p 简单、美好、强大,相信 ECharts 一直在成长
-                            p.more 更多功能,等你体验
-                        .list
-                            .list-line
-                                .list-item(feat="0")
-                                    .item
-                                        .left
-                                            .icon-bg#bg-icon-1
-                                            .feature-icon-panel#icon-1
-                                        .right
-                                            h3 超多图表类型和强大的自定义,满足千万种可能
-                                            .content
-                                                p 30多种图表和强大的自定义功能,类型不设限,机会无极限。
-                                                p 满足你千变万化的数据和场景,更注重满足你的个性化需求
-                                .list-item(feat="1")
-                                    .item
-                                        .left
-                                            .icon-bg#bg-icon-2
-                                            .feature-icon-panel#icon-2
-                                        .right
-                                            h3 千万级别数据量的前端展现,仍然轻松流畅
-                                            .content
-                                                p 使用增量渲染、对流加载等技术,配合各种细致的优化,在展现
-                                                p 千万级的数据量的同时依然能进行流畅的图表交互
-                                .list-item(feat="2")
-                                    .item
-                                        .left
-                                            .icon-bg#bg-icon-3
-                                            .feature-icon-panel#icon-3
-                                        .right
-                                            h3 打破与图表的边界,获得更多的体验机会
-                                            .content
-                                                p 无论是「无障碍访问」还是「多设备兼容」,我们一直在持续
-                                                p 拓展更多可能性,希望更多的人,在更多的场景,都能获得顺畅
-                                                p 如一的美好体验
-                            .list-hr
-                            .list-line
-                                .list-item(feat="3")
-                                    .item
-                                        .left
-                                            .icon-bg#bg-icon-4
-                                            .feature-icon-panel#icon-4
-                                        .right
-                                            h3 开箱即用,做图表变得更简单
-                                            .content
-                                                p 提供开箱即用的组件和配置,极简配置即可实现万千可能。
-                                                p 支持多种数据格式、多渲染方案,直接使用毫无压力
-                                .list-item(feat="4")
-                                    .item
-                                        .left
-                                            .icon-bg#bg-icon-5
-                                            .feature-icon-panel#icon-5
-                                        .right
-                                            h3 多维度的数据分析,发掘更多数据的价值
-                                            .content
-                                                p 数据自由刷选 —— 自由选择数据,发掘数据背后的更多秘密
-                                                p 多图表联动查看 —— 对多个图表数据联动查看,多维有效分析
-                                                p dataset 数据变换——对数据自由的过滤、统计,深度探索数据
-                                                p storytelling ——  提升数据自己讲故事的能力,更加生动的展现
-                                .list-item(feat="5")
-                                    .item
-                                        .left
-                                            .icon-bg#bg-icon-6
-                                            .feature-icon-panel#icon-6
-                                        .right
-                                            h3 才华与颜值兼备,玩转图表新可能
-                                            .content
-                                                p 完善的图表交互,让你一上手就自然顺手,与数据实现轻松互动
-                                                p 恰当的动画,更自然的反馈与图形过渡,更易理解数据间的联系
-                                                p 细致且多样的样式与主题设计,一切都只为更好地展现你的数据
+                    .index-features
+                        h2 特性
+                        hr
+                    .row
+                        .col-md-6.index-feature
+                            .index-feature-left
+                                .index-feature-icon-bg#bg-icon-1
+                                .index-feature-icon#icon-1
+                            .index-feature-right
+                                h3 丰富的图表类型
+                                p 内置的 20 多种图表、强大的自定义系列以及来自社区贡献的扩展插件,助你轻松实现各种可视化需求。
+                        .col-md-6.index-feature
+                            .index-feature-left
+                                .index-feature-icon-bg#bg-icon-2
+                                .index-feature-icon#icon-2
+                            .index-feature-right
+                                h3 强劲的渲染引擎
+                                p 采用增量渲染、流式加载等技术,千万级数据的图表也能在网页上流畅交互。
+                        .col-md-6.index-feature
+                            .index-feature-left
+                                .index-feature-icon-bg#bg-icon-3
+                                .index-feature-icon#icon-3
+                            .index-feature-right
+                                h3 丰富的图表类型
+                                p 内置的 20 多种图表、强大的自定义系列以及来自社区贡献的扩展插件,助你轻松实现各种可视化需求。
+                        .col-md-6.index-feature
+                            .index-feature-left
+                                .index-feature-icon-bg#bg-icon-4
+                                .index-feature-icon#icon-4
+                            .index-feature-right
+                                h3 丰富的图表类型
+                                p 内置的 20 多种图表、强大的自定义系列以及来自社区贡献的扩展插件,助你轻松实现各种可视化需求。
+                        .col-md-6.index-feature
+                            .index-feature-left
+                                .index-feature-icon-bg#bg-icon-5
+                                .index-feature-icon#icon-5
+                            .index-feature-right
+                                h3 丰富的图表类型
+                                p 内置的 20 多种图表、强大的自定义系列以及来自社区贡献的扩展插件,助你轻松实现各种可视化需求。
+                        .col-md-6.index-feature
+                            .index-feature-left
+                                .index-feature-icon-bg#bg-icon-6
+                                .index-feature-icon#icon-6
+                            .index-feature-right
+                                h3 丰富的图表类型
+                                p 内置的 20 多种图表、强大的自定义系列以及来自社区贡献的扩展插件,助你轻松实现各种可视化需求。
+                    a.more(href='#') 了解更多特性
 
             script(type='text/javascript').
                 var animationMap = {};
@@ -146,18 +118,18 @@
                     var num = +$(this).attr('feat');
                     var list = $('.list-item .item');
 
-                    if (num === 0 || num === 3) {
-                        $(list[num]).css('border-bottom', 0);
-                    }
+                    //- if (num === 0 || num === 3) {
+                    //-     $(list[num]).css('border-bottom', 0);
+                    //- }
 
-                    if (num === 1 || num === 4) {
-                        $(list[num - 1]).css('border-bottom', 0);
-                        $(list[num]).css('border-bottom', 0);
-                    }
+                    //- if (num === 1 || num === 4) {
+                    //-     $(list[num - 1]).css('border-bottom', 0);
+                    //-     $(list[num]).css('border-bottom', 0);
+                    //- }
 
-                    if (num === 2 || num === 5) {
-                        $(list[num - 1]).css('border-bottom', 0);
-                    }
+                    //- if (num === 2 || num === 5) {
+                    //-     $(list[num - 1]).css('border-bottom', 0);
+                    //- }
 
                     var id = $(this).find('.feature-icon-panel')[0].id;
                     animationMap[id].goToAndPlay(0);
@@ -194,7 +166,7 @@
                     .paper
                         .content
                             h2 ECharts: A Declarative Framework for Rapid Construction of Web-based Visualization
-                            p.note Please cite the following paper whenever you use ECharts in your R&D projects, products, research papers, technical reports, news reports, books, presentations, teaching, patents, and other related intelligence activities.
+                            p.note 如果您在科研项目、产品、学术论文、技术报告、新闻报告、教育、专利以及其他相关活动中使用了 Apache ECharts,欢迎引用本论文。
                             .link
                                 a(href="http://www.cad.zju.edu.cn/home/vagblog/VAG_Work/echarts.pdf").pdf Visual Informatics, 2018 [PDF]
                         .icon
@@ -264,7 +236,7 @@
                 .container
                     h3 关注我们
                     hr
-                    p 可以通过以下渠道关注 ECharts,及时获得更多最新动态
+                    p 关注我们以及时获得更多最新动态
                     .btn-panel
                         a#btn-github(href='https://github.com/apache/incubator-echarts')
                             .btn-content
diff --git a/_scss/_pages.index.scss b/_scss/_pages.index.scss
index 3677f32..4233db1 100644
--- a/_scss/_pages.index.scss
+++ b/_scss/_pages.index.scss
@@ -18,16 +18,15 @@
 
 #main-content {
     color: $clr-text;
-    font-weight: 300;
 
-    h1, h2, h3, h4, h5, h6 {
-        color: $clr-darker;
-        font-weight: 400;
+    a {
+        color: $clr-link;
     }
 
-    p {
-        font-weight: 300;
-    }
+        .more {
+            text-align: center;
+            display: block;
+        }
 
     footer {
         font-weight: 400 !important;
@@ -44,7 +43,6 @@
 
     .home-brand-panel {
         margin: 0 auto;
-        max-width: 1000px;
         height: 100%;
         padding: 0 30px;
         position: relative;
@@ -53,6 +51,7 @@
         .home-info {
             height: 256px;
             margin-top: 50vh;
+            margin-left: 50px;
             position: absolute;
             top: -178px;
         }
@@ -72,8 +71,8 @@
 
             .home-subtitle {
                 position: relative;
-                left: 8px;
-                font-size: 16px;
+                left: 5px;
+                font-size: 21px;
                 color: $clr-dark-light;
             }
 
@@ -115,7 +114,8 @@
             height: 60%;
             top: 16%;
             position: absolute;
-            right: 0;
+            right: 50px;
+            z-index: -100;
 
             img {
                 height: 100%;
@@ -140,26 +140,8 @@
         margin: 35px 0 5px 0;
     }
 
-    .feature-btn {
-        margin-top: 40px;
-
-        a {
-            color: $clr-thirdary;
-        }
-
-        .more-icon {
-            display: inline-block;
-            margin-left: 8px;
-            padding-top: 2px;
-        }
-    }
-
     .row {
-        margin: 40px 0;
-    }
-
-    .right-column {
-        text-align: right;
+        margin: 20px 0;
     }
 
     section.normal {
@@ -169,10 +151,6 @@
     }
 }
 
-#efe-more {
-    margin-top: -10px;
-}
-
 #reference {
     font-size: 1.6rem;
     font-weight: 400;
@@ -258,199 +236,68 @@
     margin-top: 100px;
 }
 
-.companies {
-    overflow-x: hidden;
-    overflow-y: hidden;
-    width: 100%;
-    height: 80px;
-    white-space: nowrap;
-    background: white;
-    margin: 69px 0 90px 0;
-    transition: 0.5s;
+#feature-section {
+    padding-top: 50px;
 
-    img {
-        padding: 15px;
-        height: 100%;
+    hr {
+        display: inline-block;
+        text-align: center;
+        width: 36px;
+        margin: 15px 0 0 0;
+        height: 2px;
+        border: 0;
+        background-color: $clr-primary;
     }
 }
 
-#feature-section {
-        padding-top: 50px;
+    .index-features {
+        margin-top: 20px;
+        text-align: center;
+        color: $clr-text;
 
-        .container {
-            max-width: 1200px;
+        h2 {
+            font-size: 35px;
+            font-weight: 800;
+            color: #090909;
+        }
+    }
+
+        .index-feature {
+            margin: 30px 0;
+            padding: 0 50px;
         }
 
-        .features {
-            margin-top: 20px;
-            text-align: center;
+            .index-feature-left {
+                display: inline-block;
+                position: absolute;
+                width: 107px;
+                height: 99px;
+            }
 
-            .title {
-                .content {
-                    font-size: 35px;
+                .index-feature-icon {
+                    position: absolute;
+                    width: 50%;
+                    left: 28%;
+                    top: 22.5%;
+                }
+
+            .index-feature-right {
+                display: inline-block;
+                margin-left: 127px;
+
+                h3 {
+                    margin-top: 10px;
+                    font-size: 16px;
                     font-weight: bold;
-                    color: #090909;
-                }
-                .line {
-                    color: #86BCF2;
-                }
-
-                hr {
-                    display: inline-block;
-                    text-align: center;
-                    width: 36px;
-                    margin: 0px;
-                    height:1px;
-                    border:0px;
-                    background-color: #86BCF2;
-                    color: #86BCF2;
+                    color: $clr-darker;
                 }
 
                 p {
-                    font-size: 12px;
-                    color: #8D909A
-                }
-
-                a {
-                    font-size: 12px;
-                    color: #8EB5DC;
+                    margin-top: 14px;
+                    line-height: 1.75em;
                 }
             }
 
-            .list {
-                display: flex;
-                margin-top: 36px;
-                text-align: left;
-
-                .list-line {
-                    width: 537px;
-                    .list-item {
-                        position: relative;
-                        flex: auto;
-                        height: 178px;
-
-                        .item {
-                            display: flex;
-                            padding-top: 39px;
-                            margin: 0px 37px 0px 33px;
-                            height: 178px;
-                            border-bottom: 1px solid rgba(151,151,151,0.25);
-                            .left {
-                                position: relative;
-                                width: 115px;
-                                .icon-bg {
-                                    position: absolute;
-                                    width: 110px;
-                                    top: -10px;
-                                    left: -10px;
-                                }
-                                .feature-icon-panel {
-                                    position: absolute;
-                                    width: 60px;
-                                    left: 18px;
-                                    top: 10px;
-                                }
-                            }
-                            .right {
-                                width: 352px;
-                            }
-
-                            h3 {
-                                margin-bottom: 16px;
-                                font-size: 16px;
-                                font-weight: 500;
-                                line-height: 18px;
-                                color: #090909;
-                            }
-
-                            p {
-                                margin-top: 3px;
-                                color: #8D909A;
-                                font-size: 12px;
-                            }
-                        }
-
-                    }
-                    .list-item:last-child {
-                        .item {
-                            border: none;
-                        }
-                    }
-                    // don't show shadow unless we have something to click
-                    // .list-item:hover {
-                    //     box-shadow: 0 9px 12px 0 rgba(0,0,0,0.10);
-                    // }
-
-                }
-                .list-hr {
-                    width: 1px;
-                    background-color: #979797;
-                    opacity: 0.25;
-                }
-            }
-
-            p {
-                margin-top: 8px;
-            }
-
-            p.more {
-                color: #8EB5DC;
-            }
-        }
-
-        .feature-detail {
-            margin-bottom: 20px;
-            position: relative;
-            transform: translateY(50%);
-
-            & > .col {
-                position: relative;
-                top: 50%;
-                transform: translateY(-50%);
-            }
-
-            &::before,
-            &::after {
-                content: " ";
-                display: table;
-            }
-
-            &::after {
-                clear: both;
-            }
-
-            h2 {
-                font-size: 35px;
-                margin-bottom: 12px;
-            }
-
-            h3 {
-                font-size: 18px;
-                font-weight: 300;
-                color: $clr-text;
-                margin-top: 30px;
-
-                & ~ h3 {
-                    margin-top: 18px;
-                }
-            }
-
-            p {
-                font-weight: 300;
-                margin-top: 8px;
-            }
-
-            #col-analysis h2 {
-                margin-top: -45px;
-            }
-
-            #col-data h2 {
-                margin-top: 100px;
-            }
-        }
-
-}
-
 #publication {
     overflow: hidden;
     height: 720px;
@@ -470,8 +317,7 @@
     }
 
     .container {
-        width: 1195px;
-        max-width: 1440px;
+        padding: 15px 65px;
 
         .paper {
             display: flex;
@@ -507,16 +353,21 @@
         height: 45px;
         width: 237px;
         text-align: center;
-        background: #5E7AD9;
-        box-shadow: 2px 6px 18px 0 rgba(73,103,201,0.30);
+        background: $clr-primary;
         border-radius: 22.5px;
+        transition: 0.5s;
+
+        &:hover, &:focus {
+            text-decoration: none;
+            box-shadow: 0px 5px 10px 0 rgba(0, 0, 0, 0.2);
+        }
+
         .pdf {
             line-height: 45px;
             color: #fff;
             opacity: 0.8;
             font-size: 14px;
         }
-
     }
 }
 
@@ -645,27 +496,6 @@
         }
     }
 
-    #feature-section .feature-detail {
-        h2 {
-            font-size: 30px;
-            margin-top: -15px;
-        }
-
-        h3 {
-            margin-top: 15px;
-        }
-
-        p {
-            margin-top: 8px;
-        }
-    }
-
-    #main-content {
-        .feature-btn {
-            margin-top: 15px;
-        }
-    }
-
     #col-desktop > * {
         margin-left: 0;
     }
@@ -692,26 +522,13 @@
         }
     }
 
-    .features {
-        margin-bottom: 0;
-    }
-
-    #feature-section {
-        .feature-detail {
-            transform: none;
-
-            & > .col {
-                top: 0;
-                transform: none;
-                text-align: center;
-            }
-
-            .col-sm-4 {
-                margin-bottom: 80px;
-                padding-top: 0;
-            }
+        .home-chart {
+            position: relative;
+            left: 50%;
+            margin-left: -143px;
+            top: 50px;
+            opacity: 0.5;
         }
-    }
 
     #reference {
         background-size: cover;
diff --git a/_scss/_settings.colors.scss b/_scss/_settings.colors.scss
index dda06b7..6c10b69 100644
--- a/_scss/_settings.colors.scss
+++ b/_scss/_settings.colors.scss
@@ -24,6 +24,8 @@
 $clr-thirdary:       #40A7DC;
 $clr-thirdary-light: lighten($clr-thirdary, 10%);
 
+$clr-link: $clr-primary;
+
 $clr-border: rgba(78, 97, 118, 0.45);
 $clr-border-light: rgba(78, 97, 118, 0.25);