diff --git a/css/index copy.css b/css/index copy.css
deleted file mode 100644
index 073b4c8..0000000
--- a/css/index copy.css	
+++ /dev/null
@@ -1,354 +0,0 @@
-* {
-  margin: 0;
-  padding: 0;
-  box-sizing: border-box;
-  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
-  font-weight: 400;
-  font-style: normal;
-}
-body {
-  padding: 10px;
-  background-color: #eef2f5;
-}
-/* 公共的 css 样式 */
-.flexflex {
-  display: flex;
-}
-.flexcenter {
-  display: flex;
-  justify-content: center;
-  align-items: center;
-}
-.flexjcenter {
-  display: flex;
-  justify-content: center;
-}
-.flexacenter {
-  display: flex;
-  align-items: center;
-}
-.flex1 {
-  flex: 1;
-}
-.flexcolumn {
-  display: flex;
-  flex-direction: column;
-}
-.one-line-display {
-  word-break: keep-all;
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-}
-.topic-and-selectives .head-top {
-  width: 64px;
-  height: 24px;
-  border-radius: 20px 20px 20px 0;
-  margin-bottom: 10px;
-}
-.topic-and-selectives .head-top .icon {
-  width: 15px;
-  height: 12px;
-  margin-right: 3px;
-}
-.topic-and-selectives .head-top .text {
-  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
-  font-weight: 400;
-  font-style: normal;
-  color: #ffffff;
-  font-size: 14px;
-}
-.topic-and-selectives .topic-box {
-  width: 308px;
-  height: 320px;
-  background-color: #ffffff;
-  border: 1px solid #e9eef2;
-  border-radius: 10px;
-  padding: 10px;
-  margin-right: 12px;
-}
-.topic-and-selectives .topic-box .head-top {
-  background-color: #f4ae38;
-}
-.topic-and-selectives .topic-box .topic-head {
-  height: 109px;
-  background-color: #f6f6f6;
-  border-radius: 8px;
-  flex-direction: column;
-  justify-content: space-between;
-  padding: 12px 16px;
-  margin-bottom: 12px;
-}
-.topic-and-selectives .topic-box .topic-head .title {
-  font-size: 16px;
-  color: #000000;
-  line-height: 23px;
-}
-.topic-and-selectives .topic-box .topic-head .hint {
-  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
-  font-weight: 400;
-  font-style: normal;
-  font-size: 16px;
-  color: #7f7f7f;
-}
-.topic-and-selectives .topic-box .topic-head .people {
-  position: relative;
-  justify-content: space-between;
-}
-.topic-and-selectives .topic-box .topic-head .people::after {
-  content: "";
-  position: absolute;
-  top: 0;
-  left: 0;
-  transform: translateY(-100%);
-  width: 30px;
-  height: 4px;
-  background-color: #f4ae38;
-  border-radius: 150px;
-}
-.topic-and-selectives .topic-box .topic-head .people .left {
-  color: #aaaaaa;
-  font-size: 13px;
-}
-.topic-and-selectives .topic-box .topic-head .people .left .number {
-  color: #333333;
-  margin-right: 3px;
-}
-.topic-and-selectives .topic-box .topic-head .people .right .item {
-  width: 26px;
-  height: 26px;
-  border-radius: 50%;
-}
-.topic-and-selectives .topic-box .topic-head .people .right .item .img {
-  width: 26px;
-  height: 26px;
-  border-radius: 50%;
-}
-.topic-and-selectives .topic-box .topic-head .people .right .item:nth-child(6) {
-  margin-right: -9px;
-}
-.topic-and-selectives .topic-box .topic-head .people .right .item:nth-child(5) {
-  margin-right: -9px;
-}
-.topic-and-selectives .topic-box .topic-head .people .right .item:nth-child(4) {
-  margin-right: -7px;
-}
-.topic-and-selectives .topic-box .topic-list .item:hover {
-  color: #000000;
-}
-.topic-and-selectives .topic-box .topic-list .item:not(:last-child) {
-  margin-bottom: 1px;
-}
-.topic-and-selectives .topic-box .topic-list .item .img {
-  width: 12px;
-  height: 10px;
-  margin-right: 9px;
-}
-.topic-and-selectives .topic-box .topic-list .item .text {
-  font-size: 14px;
-  color: #555555;
-  line-height: 28px;
-}
-.topic-and-selectives .selectives-box {
-  width: 628px;
-  height: 320px;
-  background-color: #ffffff;
-  border: 1px solid #e9eef2;
-  border-radius: 10px;
-  padding: 10px;
-}
-.topic-and-selectives .selectives-box .head-top {
-  background-color: #f68251;
-  margin-bottom: 22px;
-}
-.topic-and-selectives .selectives-box .list {
-  flex-wrap: wrap;
-  padding: 0 5px;
-  justify-content: space-between;
-}
-.topic-and-selectives .selectives-box .list .item {
-  font-size: 14px;
-  color: #555555;
-  line-height: 20px;
-  margin-bottom: 12px;
-  position: relative;
-}
-.topic-and-selectives .selectives-box .list .item .dot {
-  width: 6px;
-  height: 6px;
-  border-radius: 50%;
-  background-color: #f68251;
-  margin-right: 10px;
-}
-.topic-and-selectives .selectives-box .list .item .text {
-  width: 265px;
-}
-.forum-sections-list {
-  position: relative;
-  width: 897px;
-  height: 240px;
-  background-color: #ffffff;
-  border: 1px solid #e9eef2;
-  border-radius: 10px;
-  padding-left: 70px;
-  padding-top: 20px;
-}
-.forum-sections-list .img {
-  position: absolute;
-  top: -1px;
-  left: -1px;
-  width: 60px;
-  height: 240px;
-}
-.forum-sections-list .title {
-  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
-  font-weight: 650;
-  font-style: normal;
-  font-size: 16px;
-  color: #000000;
-  margin-bottom: 16px;
-}
-.forum-sections-list .list .line:not(:last-child) {
-  margin-bottom: 10px;
-}
-.forum-sections-list .list .line .item {
-  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
-  font-weight: 400;
-  font-style: normal;
-  font-size: 14px;
-  color: #333;
-  padding: 0 18px;
-  height: 32px;
-  background-color: #f6f6f6;
-  border: 1px solid #f2f2f2;
-  border-radius: 16px;
-  cursor: pointer;
-}
-.forum-sections-list .list .line .item:not(:last-child) {
-  margin-right: 10px;
-}
-.item-box {
-  width: 897px;
-  background-color: #ffffff;
-  border: 1px solid #e9eef2;
-  border-radius: 10px;
-  padding: 18px 20px 0;
-}
-.item-box .item-head {
-  margin-bottom: 14px;
-}
-.item-box .item-head .avatar {
-  width: 28px;
-  height: 28px;
-  border-radius: 50%;
-  margin-right: 8px;
-}
-.item-box .item-head .name {
-  font-style: normal;
-  color: #555555;
-  font-size: 14px;
-  margin-right: 8px;
-}
-.item-box .item-head .group {
-  height: 15px;
-  margin-right: 8px;
-}
-.item-box .item-head .time {
-  font-size: 13px;
-  color: #aaaaaa;
-}
-.item-box .item-head .view {
-  font-size: 12px;
-  color: #aaaaaa;
-  margin-right: 15px;
-}
-.item-box .item-head .view .icon {
-  width: 13px;
-  height: 8px;
-  margin-right: 5px;
-}
-.item-box .item-head .btn {
-  width: 24px;
-  height: 16px;
-  background-color: #f2f2f2;
-  border-radius: 150px;
-}
-.item-box .item-head .btn .icon {
-  width: 18px;
-  height: 18px;
-}
-.item-box .label {
-  margin-bottom: 10px;
-}
-.item-box .label .item {
-  font-size: 14px;
-  color: #555555;
-  padding: 0 9px;
-  height: 24px;
-  line-height: 24px;
-  background-color: #f2f2f2;
-  border-radius: 6px;
-}
-.item-box .label .item.icon {
-  padding: 0;
-}
-.item-box .label .item:not(:last-child) {
-  margin-right: 10px;
-}
-.item-box .label .item.blue {
-  color: #ffffff;
-  background-color: #04b0d5;
-}
-.item-box .title {
-  font-weight: 650;
-  font-size: 20px;
-  color: #000000;
-  line-height: 36px;
-  margin-bottom: 7px;
-  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
-}
-.item-box .message {
-  font-size: 14px;
-  color: #555555;
-  white-space: pre-wrap;
-  margin-bottom: 15px;
-}
-.item-box .comment {
-  height: 40px;
-  background-color: #f6f6f6;
-  border-radius: 10px;
-  padding: 0 10px;
-}
-.item-box .comment .icon {
-  width: 20px;
-  height: 20px;
-  border-radius: 50%;
-  margin-right: 10px;
-}
-.item-box .comment .text {
-  font-size: 14px;
-  color: #7f7f7f;
-}
-.item-box .bottom {
-  height: 55px;
-  justify-content: flex-end;
-}
-.item-box .bottom .bottom-item {
-  cursor: pointer;
-}
-.item-box .bottom .bottom-item:not(:last-child) {
-  margin-right: 60px;
-}
-.item-box .bottom .bottom-item .icon {
-  width: 20px;
-  height: 20px;
-  margin-right: 8px;
-}
-.item-box .bottom .bottom-item .text {
-  color: #aaaaaa;
-  font-size: 13px;
-}
-.item-box .bottom .bottom-item.like .icon {
-  width: 18px;
-  height: 18px;
-}
diff --git a/css/index.css b/css/index.css
index 11fd36a..073b4c8 100644
--- a/css/index.css
+++ b/css/index.css
@@ -40,7 +40,315 @@ body {
   overflow: hidden;
   text-overflow: ellipsis;
 }
-#sectionIndex .head .logo {
-  width: 136px;
-  height: 68px;
+.topic-and-selectives .head-top {
+  width: 64px;
+  height: 24px;
+  border-radius: 20px 20px 20px 0;
+  margin-bottom: 10px;
+}
+.topic-and-selectives .head-top .icon {
+  width: 15px;
+  height: 12px;
+  margin-right: 3px;
+}
+.topic-and-selectives .head-top .text {
+  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+  font-weight: 400;
+  font-style: normal;
+  color: #ffffff;
+  font-size: 14px;
+}
+.topic-and-selectives .topic-box {
+  width: 308px;
+  height: 320px;
+  background-color: #ffffff;
+  border: 1px solid #e9eef2;
+  border-radius: 10px;
+  padding: 10px;
+  margin-right: 12px;
+}
+.topic-and-selectives .topic-box .head-top {
+  background-color: #f4ae38;
+}
+.topic-and-selectives .topic-box .topic-head {
+  height: 109px;
+  background-color: #f6f6f6;
+  border-radius: 8px;
+  flex-direction: column;
+  justify-content: space-between;
+  padding: 12px 16px;
+  margin-bottom: 12px;
+}
+.topic-and-selectives .topic-box .topic-head .title {
+  font-size: 16px;
+  color: #000000;
+  line-height: 23px;
+}
+.topic-and-selectives .topic-box .topic-head .hint {
+  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+  font-weight: 400;
+  font-style: normal;
+  font-size: 16px;
+  color: #7f7f7f;
+}
+.topic-and-selectives .topic-box .topic-head .people {
+  position: relative;
+  justify-content: space-between;
+}
+.topic-and-selectives .topic-box .topic-head .people::after {
+  content: "";
+  position: absolute;
+  top: 0;
+  left: 0;
+  transform: translateY(-100%);
+  width: 30px;
+  height: 4px;
+  background-color: #f4ae38;
+  border-radius: 150px;
+}
+.topic-and-selectives .topic-box .topic-head .people .left {
+  color: #aaaaaa;
+  font-size: 13px;
+}
+.topic-and-selectives .topic-box .topic-head .people .left .number {
+  color: #333333;
+  margin-right: 3px;
+}
+.topic-and-selectives .topic-box .topic-head .people .right .item {
+  width: 26px;
+  height: 26px;
+  border-radius: 50%;
+}
+.topic-and-selectives .topic-box .topic-head .people .right .item .img {
+  width: 26px;
+  height: 26px;
+  border-radius: 50%;
+}
+.topic-and-selectives .topic-box .topic-head .people .right .item:nth-child(6) {
+  margin-right: -9px;
+}
+.topic-and-selectives .topic-box .topic-head .people .right .item:nth-child(5) {
+  margin-right: -9px;
+}
+.topic-and-selectives .topic-box .topic-head .people .right .item:nth-child(4) {
+  margin-right: -7px;
+}
+.topic-and-selectives .topic-box .topic-list .item:hover {
+  color: #000000;
+}
+.topic-and-selectives .topic-box .topic-list .item:not(:last-child) {
+  margin-bottom: 1px;
+}
+.topic-and-selectives .topic-box .topic-list .item .img {
+  width: 12px;
+  height: 10px;
+  margin-right: 9px;
+}
+.topic-and-selectives .topic-box .topic-list .item .text {
+  font-size: 14px;
+  color: #555555;
+  line-height: 28px;
+}
+.topic-and-selectives .selectives-box {
+  width: 628px;
+  height: 320px;
+  background-color: #ffffff;
+  border: 1px solid #e9eef2;
+  border-radius: 10px;
+  padding: 10px;
+}
+.topic-and-selectives .selectives-box .head-top {
+  background-color: #f68251;
+  margin-bottom: 22px;
+}
+.topic-and-selectives .selectives-box .list {
+  flex-wrap: wrap;
+  padding: 0 5px;
+  justify-content: space-between;
+}
+.topic-and-selectives .selectives-box .list .item {
+  font-size: 14px;
+  color: #555555;
+  line-height: 20px;
+  margin-bottom: 12px;
+  position: relative;
+}
+.topic-and-selectives .selectives-box .list .item .dot {
+  width: 6px;
+  height: 6px;
+  border-radius: 50%;
+  background-color: #f68251;
+  margin-right: 10px;
+}
+.topic-and-selectives .selectives-box .list .item .text {
+  width: 265px;
+}
+.forum-sections-list {
+  position: relative;
+  width: 897px;
+  height: 240px;
+  background-color: #ffffff;
+  border: 1px solid #e9eef2;
+  border-radius: 10px;
+  padding-left: 70px;
+  padding-top: 20px;
+}
+.forum-sections-list .img {
+  position: absolute;
+  top: -1px;
+  left: -1px;
+  width: 60px;
+  height: 240px;
+}
+.forum-sections-list .title {
+  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+  font-weight: 650;
+  font-style: normal;
+  font-size: 16px;
+  color: #000000;
+  margin-bottom: 16px;
+}
+.forum-sections-list .list .line:not(:last-child) {
+  margin-bottom: 10px;
+}
+.forum-sections-list .list .line .item {
+  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+  font-weight: 400;
+  font-style: normal;
+  font-size: 14px;
+  color: #333;
+  padding: 0 18px;
+  height: 32px;
+  background-color: #f6f6f6;
+  border: 1px solid #f2f2f2;
+  border-radius: 16px;
+  cursor: pointer;
+}
+.forum-sections-list .list .line .item:not(:last-child) {
+  margin-right: 10px;
+}
+.item-box {
+  width: 897px;
+  background-color: #ffffff;
+  border: 1px solid #e9eef2;
+  border-radius: 10px;
+  padding: 18px 20px 0;
+}
+.item-box .item-head {
+  margin-bottom: 14px;
+}
+.item-box .item-head .avatar {
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  margin-right: 8px;
+}
+.item-box .item-head .name {
+  font-style: normal;
+  color: #555555;
+  font-size: 14px;
+  margin-right: 8px;
+}
+.item-box .item-head .group {
+  height: 15px;
+  margin-right: 8px;
+}
+.item-box .item-head .time {
+  font-size: 13px;
+  color: #aaaaaa;
+}
+.item-box .item-head .view {
+  font-size: 12px;
+  color: #aaaaaa;
+  margin-right: 15px;
+}
+.item-box .item-head .view .icon {
+  width: 13px;
+  height: 8px;
+  margin-right: 5px;
+}
+.item-box .item-head .btn {
+  width: 24px;
+  height: 16px;
+  background-color: #f2f2f2;
+  border-radius: 150px;
+}
+.item-box .item-head .btn .icon {
+  width: 18px;
+  height: 18px;
+}
+.item-box .label {
+  margin-bottom: 10px;
+}
+.item-box .label .item {
+  font-size: 14px;
+  color: #555555;
+  padding: 0 9px;
+  height: 24px;
+  line-height: 24px;
+  background-color: #f2f2f2;
+  border-radius: 6px;
+}
+.item-box .label .item.icon {
+  padding: 0;
+}
+.item-box .label .item:not(:last-child) {
+  margin-right: 10px;
+}
+.item-box .label .item.blue {
+  color: #ffffff;
+  background-color: #04b0d5;
+}
+.item-box .title {
+  font-weight: 650;
+  font-size: 20px;
+  color: #000000;
+  line-height: 36px;
+  margin-bottom: 7px;
+  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+}
+.item-box .message {
+  font-size: 14px;
+  color: #555555;
+  white-space: pre-wrap;
+  margin-bottom: 15px;
+}
+.item-box .comment {
+  height: 40px;
+  background-color: #f6f6f6;
+  border-radius: 10px;
+  padding: 0 10px;
+}
+.item-box .comment .icon {
+  width: 20px;
+  height: 20px;
+  border-radius: 50%;
+  margin-right: 10px;
+}
+.item-box .comment .text {
+  font-size: 14px;
+  color: #7f7f7f;
+}
+.item-box .bottom {
+  height: 55px;
+  justify-content: flex-end;
+}
+.item-box .bottom .bottom-item {
+  cursor: pointer;
+}
+.item-box .bottom .bottom-item:not(:last-child) {
+  margin-right: 60px;
+}
+.item-box .bottom .bottom-item .icon {
+  width: 20px;
+  height: 20px;
+  margin-right: 8px;
+}
+.item-box .bottom .bottom-item .text {
+  color: #aaaaaa;
+  font-size: 13px;
+}
+.item-box .bottom .bottom-item.like .icon {
+  width: 18px;
+  height: 18px;
 }
diff --git a/css/index.less b/css/index.less
index f11e6f4..11209b3 100644
--- a/css/index.less
+++ b/css/index.less
@@ -49,11 +49,382 @@ body {
     text-overflow: ellipsis;
 }
 
-#sectionIndex {
-    .head {
-        .logo {
-            width: 136px;
-            height: 68px;
+.topic-and-selectives {
+    .head-top {
+        width: 64px;
+        height: 24px;
+        border-radius: 20px 20px 20px 0;
+        margin-bottom: 10px;
+        .icon {
+            width: 15px;
+            height: 12px;
+            margin-right: 3px;
+        }
+
+        .text {
+            font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+            font-weight: 400;
+            font-style: normal;
+            color: #ffffff;
+            font-size: 14px;
+        }
+    }
+
+    .topic-box {
+        width: 308px;
+        height: 320px;
+        background-color: rgba(255, 255, 255, 1);
+        border: 1px solid rgba(233, 238, 242, 1);
+        border-radius: 10px;
+        padding: 10px;
+        margin-right: 12px;
+
+        .head-top {
+            background-color: rgba(244, 174, 56, 1);
+        }
+
+        .topic-head {
+            height: 109px;
+            background-color: rgba(246, 246, 246, 1);
+            border-radius: 8px;
+            flex-direction: column;
+            justify-content: space-between;
+            padding: 12px 16px;
+            margin-bottom: 12px;
+
+            .title {
+                font-size: 16px;
+                color: #000000;
+                line-height: 23px;
+            }
+
+            .hint {
+                font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+                font-weight: 400;
+                font-style: normal;
+                font-size: 16px;
+                color: #7f7f7f;
+            }
+
+            .people {
+                position: relative;
+                justify-content: space-between;
+                &::after {
+                    content: "";
+                    position: absolute;
+                    top: 0;
+                    left: 0;
+                    transform: translateY(-100%);
+                    width: 30px;
+                    height: 4px;
+                    background-color: rgba(244, 174, 56, 1);
+                    border-radius: 150px;
+                }
+
+                .left {
+                    color: #aaaaaa;
+                    font-size: 13px;
+
+                    .number {
+                        color: #333333;
+
+                        margin-right: 3px;
+                    }
+                }
+
+                .right {
+                    .item {
+                        width: 26px;
+                        height: 26px;
+                        border-radius: 50%;
+                        .img {
+                            width: 26px;
+                            height: 26px;
+                            border-radius: 50%;
+                        }
+
+                        &:nth-child(6) {
+                            margin-right: -9px;
+                        }
+
+                        &:nth-child(5) {
+                            margin-right: -9px;
+                        }
+
+                        &:nth-child(4) {
+                            margin-right: -7px;
+                        }
+                    }
+                }
+            }
+        }
+
+        .topic-list {
+            .item {
+                &:hover {
+                    color: #000000;
+                }
+
+                &:not(:last-child) {
+                    margin-bottom: 1px;
+                }
+
+                .img {
+                    width: 12px;
+                    height: 10px;
+                    margin-right: 9px;
+                }
+
+                .text {
+                    font-size: 14px;
+                    color: #555555;
+                    line-height: 28px;
+                }
+            }
+        }
+    }
+
+    .selectives-box {
+        width: 628px;
+        height: 320px;
+        background-color: #ffffff;
+        border: 1px solid #e9eef2;
+        border-radius: 10px;
+        padding: 10px;
+
+        .head-top {
+            background-color: rgba(246, 130, 81, 1);
+            margin-bottom: 22px;
+        }
+
+        .list {
+            flex-wrap: wrap;
+            padding: 0 5px;
+            justify-content: space-between;
+
+            .item {
+                font-size: 14px;
+                color: #555555;
+                line-height: 20px;
+                margin-bottom: 12px;
+                position: relative;
+
+                .dot {
+                    width: 6px;
+                    height: 6px;
+                    border-radius: 50%;
+                    background-color: #f68251;
+                    margin-right: 10px;
+                }
+
+                .text {
+                    width: 265px;
+                }
+            }
+        }
+    }
+}
+
+.forum-sections-list {
+    position: relative;
+    width: 897px;
+    height: 240px;
+    background-color: rgba(255, 255, 255, 1);
+    border: 1px solid rgba(233, 238, 242, 1);
+    border-radius: 10px;
+    padding-left: 70px;
+    padding-top: 20px;
+
+    .img {
+        position: absolute;
+        top: -1px;
+        left: -1px;
+        width: 60px;
+        height: 240px;
+    }
+
+    .title {
+        font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+        font-weight: 650;
+        font-style: normal;
+        font-size: 16px;
+        color: #000000;
+        margin-bottom: 16px;
+    }
+
+    .list {
+        .line {
+            &:not(:last-child) {
+                margin-bottom: 10px;
+            }
+            .item {
+                font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+                font-weight: 400;
+                font-style: normal;
+                font-size: 14px;
+                color: #333;
+                padding: 0 18px;
+                height: 32px;
+                background-color: rgba(246, 246, 246, 1);
+                border: 1px solid rgba(242, 242, 242, 1);
+                border-radius: 16px;
+                cursor: pointer;
+
+                &:not(:last-child) {
+                    margin-right: 10px;
+                }
+            }
+        }
+    }
+}
+
+.item-box {
+    width: 897px;
+    background-color: rgba(255, 255, 255, 1);
+    border: 1px solid rgba(233, 238, 242, 1);
+    border-radius: 10px;
+    padding: 18px 20px 0;
+
+    .item-head {
+        margin-bottom: 14px;
+        .avatar {
+            width: 28px;
+            height: 28px;
+            border-radius: 50%;
+            margin-right: 8px;
+        }
+
+        .name {
+            font-style: normal;
+            color: #555555;
+            font-size: 14px;
+            margin-right: 8px;
+        }
+
+        .group {
+            height: 15px;
+            margin-right: 8px;
+        }
+
+        .time {
+            font-size: 13px;
+            color: #aaaaaa;
+        }
+
+        .view {
+            font-size: 12px;
+            color: #aaaaaa;
+            margin-right: 15px;
+
+            .icon {
+                width: 13px;
+                height: 8px;
+                margin-right: 5px;
+            }
+        }
+
+        .btn {
+            width: 24px;
+            height: 16px;
+            background-color: rgba(242, 242, 242, 1);
+            border-radius: 150px;
+
+            .icon {
+                width: 18px;
+                height: 18px;
+            }
+        }
+    }
+
+    .label {
+        margin-bottom: 10px;
+
+        .item {
+            font-size: 14px;
+            color: #555555;
+            padding: 0 9px;
+            height: 24px;
+            line-height: 24px;
+            background-color: rgba(242, 242, 242, 1);
+            border-radius: 6px;
+
+            &.icon {
+                padding: 0;
+            }
+
+            &:not(:last-child) {
+                margin-right: 10px;
+            }
+
+            &.blue {
+                color: #ffffff;
+                background-color: #04b0d5;
+            }
+        }
+    }
+
+    .title {
+        font-weight: 650;
+        font-size: 20px;
+        color: #000000;
+        line-height: 36px;
+        margin-bottom: 7px;
+        font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+    }
+
+    .message {
+        font-size: 14px;
+        color: #555555;
+        white-space: pre-wrap;
+        margin-bottom: 15px;
+    }
+
+    .comment {
+        height: 40px;
+        background-color: rgba(246, 246, 246, 1);
+        border-radius: 10px;
+        padding: 0 10px;
+
+        .icon {
+            width: 20px;
+            height: 20px;
+            border-radius: 50%;
+            margin-right: 10px;
+        }
+
+        .text {
+            font-size: 14px;
+            color: #7f7f7f;
+        }
+    }
+
+    .bottom {
+        height: 55px;
+        justify-content: flex-end;
+
+        .bottom-item {
+            cursor: pointer;
+            &:not(:last-child) {
+                margin-right: 60px;
+            }
+
+            .icon {
+                width: 20px;
+                height: 20px;
+                margin-right: 8px;
+            }
+
+            .text {
+                color: #aaaaaa;
+                font-size: 13px;
+            }
+
+            &.like {
+                .icon {
+                    width: 18px;
+                    height: 18px;
+                }
+            }
         }
     }
 }
diff --git a/css/sectionIndex.css b/css/sectionIndex.css
new file mode 100644
index 0000000..3642903
--- /dev/null
+++ b/css/sectionIndex.css
@@ -0,0 +1,383 @@
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+  font-weight: 400;
+  font-style: normal;
+}
+body {
+  background-color: #eef2f5;
+}
+/* 公共的 css 样式 */
+.flexflex {
+  display: flex;
+}
+.flexcenter {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+.flexjcenter {
+  display: flex;
+  justify-content: center;
+}
+.flexacenter {
+  display: flex;
+  align-items: center;
+}
+.flex1 {
+  flex: 1;
+}
+.flexcolumn {
+  display: flex;
+  flex-direction: column;
+}
+.one-line-display {
+  word-break: keep-all;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+#sectionIndex {
+  width: 1200px;
+  margin: 0 auto;
+}
+#sectionIndex .head-top {
+  margin-bottom: 30px;
+}
+#sectionIndex .head-top .logo {
+  height: 52px;
+}
+#sectionIndex .head-top .input-box {
+  width: 370px;
+  height: 40px;
+  background-color: #ebebeb;
+  border: 2px solid #d7d7d7;
+  border-radius: 11px;
+  padding: 0 15px;
+  justify-content: space-between;
+  margin-right: 20px;
+}
+#sectionIndex .head-top .input-box .input {
+  border: none;
+  outline: none;
+  height: 100%;
+  background-color: transparent;
+}
+#sectionIndex .head-top .input-box .icon {
+  width: 18px;
+  height: 18px;
+  margin-left: 15rpx;
+  cursor: pointer;
+}
+#sectionIndex .head-top .sign-in {
+  width: 192px;
+  height: 40px;
+  border-radius: 83px;
+  cursor: pointer;
+}
+#sectionIndex .head-top .sign-in.sign-in-already {
+  background-color: #ffffff;
+  font-size: 14px;
+  color: #333;
+}
+#sectionIndex .head-top .sign-in.sign-in-already .sign-icon {
+  width: 20px;
+  height: 20px;
+  margin-right: 10px;
+}
+#sectionIndex .head-top .sign-in.sign-in-no {
+  position: relative;
+  z-index: 1;
+  padding-right: 8px;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .sign-in-bj {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: -1;
+  width: 190px;
+  height: 40px;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .coin-bj {
+  position: absolute;
+  width: 157px;
+  height: 33px;
+  top: 4px;
+  left: 29px;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .coin-icon {
+  width: 43px;
+  height: 51px;
+  align-self: flex-end;
+  z-index: 1;
+  margin-left: -2px;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .text {
+  text-align: center;
+  text-shadow: 1px 1px 2px #a63603;
+  -webkit-text-shadow: 1px 1px 2px #a63603;
+  -moz-text-shadow: 1px 1px 2px #a63603;
+  font-size: 15px;
+  color: #fff;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .sign-go {
+  width: 30px;
+  height: 30px;
+  font-family: "Arial-BoldMT", "Arial Bold", "Arial", sans-serif;
+  font-weight: 700;
+  font-size: 12px;
+  color: #710600;
+  position: relative;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .sign-go .sign-go-bj {
+  width: 100%;
+  height: 100%;
+  position: absolute;
+  z-index: -1;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .petal1,
+#sectionIndex .head-top .sign-in.sign-in-no .petal2,
+#sectionIndex .head-top .sign-in.sign-in-no .petal3 {
+  position: absolute;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .petal1 {
+  width: 24px;
+  height: 10px;
+  top: 3px;
+  left: 55px;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .petal2 {
+  width: 16px;
+  height: 14px;
+  top: 25px;
+  left: 92px;
+}
+#sectionIndex .head-top .sign-in.sign-in-no .petal3 {
+  width: 17px;
+  height: 12px;
+  top: 25px;
+  left: 136px;
+}
+#sectionIndex .head-navigation {
+  margin-bottom: 20px;
+}
+#sectionIndex .head-navigation .icon {
+  width: 16px;
+  height: 16px;
+}
+#sectionIndex .head-navigation .arrows {
+  width: 7px;
+  height: 12px;
+  margin: 0 5px;
+}
+#sectionIndex .head-navigation .text {
+  padding: 0 5px;
+  font-size: 14px;
+  color: #000000;
+  cursor: pointer;
+}
+#sectionIndex .head-navigation .text:hover {
+  text-decoration: underline;
+}
+#sectionIndex .matter .sidebar {
+  width: 150px;
+  height: 1225px;
+  background-color: #08353e;
+  border: 1px solid #e9eef2;
+  border-radius: 10px;
+  margin-right: 15px;
+}
+#sectionIndex .matter .sidebar .title {
+  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+  font-weight: 650;
+  font-style: normal;
+  font-size: 17px;
+  color: #badee6;
+  padding-top: 29px;
+  padding-bottom: 27px;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.24705882);
+  margin-left: 20px;
+  margin-right: 20px;
+}
+#sectionIndex .matter .sidebar .list {
+  padding-top: 10px;
+  padding-bottom: 10px;
+  margin-left: 20px;
+  margin-right: 20px;
+}
+#sectionIndex .matter .sidebar .list:not(:last-child) {
+  border-bottom: 1px solid rgba(255, 255, 255, 0.24705882);
+}
+#sectionIndex .matter .sidebar .list .item {
+  height: 50px;
+  font-size: 14px;
+  color: rgba(255, 255, 255, 0.8);
+  z-index: 1;
+}
+#sectionIndex .matter .sidebar .list .item .text {
+  z-index: 1;
+  position: relative;
+}
+#sectionIndex .matter .sidebar .list .item.pitch {
+  position: relative;
+}
+#sectionIndex .matter .sidebar .list .item.pitch .text {
+  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+  font-weight: 650;
+  font-style: normal;
+  font-size: 14px;
+  color: #08353e;
+}
+#sectionIndex .matter .sidebar .list .item.pitch::after {
+  content: "";
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: calc(100% + 20px);
+  height: 32px;
+  background: inherit;
+  background-color: #ecf9fa;
+  border: none;
+  border-radius: 16px;
+  z-index: -1;
+}
+#sectionIndex .matter .matter-content .info {
+  width: 1035px;
+  background: -webkit-linear-gradient(270.53908529deg, #ffffff 2%, #ebf8f9 98%);
+  background: -moz-linear-gradient(179.46091471deg, #ffffff 2%, #ebf8f9 98%);
+  background: linear-gradient(179.46091471deg, #ffffff 2%, #ebf8f9 98%);
+  border: 1px solid #e9eef2;
+  border-radius: 10px;
+  padding-left: 30px;
+  padding-top: 30px;
+  padding-bottom: 34px;
+  margin-bottom: 20px;
+}
+#sectionIndex .matter .matter-content .info .img {
+  width: 80px;
+  height: 80px;
+  border-radius: 10px;
+  margin-right: 20px;
+}
+#sectionIndex .matter .matter-content .info .right .title {
+  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+  font-weight: 650;
+  font-style: normal;
+  font-size: 24px;
+  color: #000000;
+  margin-bottom: 15px;
+  margin-top: 4px;
+}
+#sectionIndex .matter .matter-content .info .right .link {
+  flex-wrap: wrap;
+  border-top: 1px dotted #d7d7d7;
+  border-bottom: 1px dotted #d7d7d7;
+  margin-right: 20px;
+  margin-bottom: 28px;
+  width: fit-content;
+}
+#sectionIndex .matter .matter-content .info .right .link .item {
+  padding: 12px 0;
+}
+#sectionIndex .matter .matter-content .info .right .link .item:not(:last-child) {
+  margin-right: 72px;
+}
+#sectionIndex .matter .matter-content .info .right .link .item .text {
+  font-size: 14px;
+  color: #333333;
+  margin-right: 8px;
+}
+#sectionIndex .matter .matter-content .info .right .link .item .icon {
+  width: 12px;
+  height: 12px;
+}
+#sectionIndex .matter .matter-content .info .right .bottom {
+  justify-content: space-between;
+  margin-right: 20px;
+}
+#sectionIndex .matter .matter-content .info .right .bottom .data {
+  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+  font-weight: 400;
+  color: #555555;
+  font-size: 13px;
+}
+#sectionIndex .matter .matter-content .info .right .bottom .data .sum {
+  font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+  font-weight: 650;
+  color: #000000;
+  margin: 0 5px;
+}
+#sectionIndex .matter .matter-content .info .right .bottom .btn {
+  width: 125px;
+  height: 32px;
+  background-color: #50e3c2;
+  border-radius: 8px;
+  font-size: 14px;
+  color: #333;
+}
+#sectionIndex .matter .matter-content .info .right .bottom .btn .icon {
+  width: 16px;
+  height: 16px;
+  margin-right: 3px;
+}
+#sectionIndex .matter .matter-content .details-box .content-box {
+  margin-right: 12px;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box {
+  width: 100%;
+  height: 320px;
+  background-color: #ffffff;
+  border: 1px solid #e9eef2;
+  border-radius: 10px;
+  padding: 19px 14px;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box .head-top {
+  width: 64px;
+  height: 24px;
+  border-radius: 20px 20px 20px 0;
+  margin-bottom: 22px;
+  background-color: #f68251;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box .head-top .icon {
+  width: 15px;
+  height: 12px;
+  margin-right: 3px;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box .head-top .text {
+  font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+  font-weight: 400;
+  font-style: normal;
+  color: #ffffff;
+  font-size: 14px;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box .list {
+  flex-wrap: wrap;
+  padding: 0 5px;
+  justify-content: space-between;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box .list .item {
+  font-size: 14px;
+  color: #555555;
+  line-height: 20px;
+  margin-bottom: 12px;
+  position: relative;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box .list .item .dot {
+  width: 6px;
+  height: 6px;
+  border-radius: 50%;
+  background-color: #f68251;
+  margin-right: 10px;
+}
+#sectionIndex .matter .matter-content .details-box .content-box .selectives-box .list .item .text {
+  width: 265px;
+}
+#sectionIndex .matter .matter-content .details-box .side-box {
+  width: 291px;
+  height: 300px;
+  background-color: #ecf9fa;
+  border-radius: 10px;
+}
diff --git a/css/sectionIndex.less b/css/sectionIndex.less
index 11209b3..a40ff99 100644
--- a/css/sectionIndex.less
+++ b/css/sectionIndex.less
@@ -8,7 +8,6 @@
 }
 
 body {
-    padding: 10px;
     background-color: rgba(238, 242, 245, 1);
 }
 
@@ -49,380 +48,389 @@ body {
     text-overflow: ellipsis;
 }
 
-.topic-and-selectives {
+#sectionIndex {
+    width: 1200px;
+    margin: 0 auto;
     .head-top {
-        width: 64px;
-        height: 24px;
-        border-radius: 20px 20px 20px 0;
-        margin-bottom: 10px;
-        .icon {
-            width: 15px;
-            height: 12px;
-            margin-right: 3px;
+        margin-bottom: 30px;
+
+        .logo {
+            height: 52px;
         }
 
-        .text {
-            font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
-            font-weight: 400;
-            font-style: normal;
-            color: #ffffff;
-            font-size: 14px;
-        }
-    }
-
-    .topic-box {
-        width: 308px;
-        height: 320px;
-        background-color: rgba(255, 255, 255, 1);
-        border: 1px solid rgba(233, 238, 242, 1);
-        border-radius: 10px;
-        padding: 10px;
-        margin-right: 12px;
-
-        .head-top {
-            background-color: rgba(244, 174, 56, 1);
-        }
-
-        .topic-head {
-            height: 109px;
-            background-color: rgba(246, 246, 246, 1);
-            border-radius: 8px;
-            flex-direction: column;
+        .input-box {
+            width: 370px;
+            height: 40px;
+            background-color: rgba(235, 235, 235, 1);
+            border: 2px solid rgba(215, 215, 215, 1);
+            border-radius: 11px;
+            padding: 0 15px;
             justify-content: space-between;
-            padding: 12px 16px;
-            margin-bottom: 12px;
+            margin-right: 20px;
 
-            .title {
-                font-size: 16px;
-                color: #000000;
-                line-height: 23px;
+            .input {
+                border: none;
+                outline: none;
+                height: 100%;
+                background-color: transparent;
             }
 
-            .hint {
-                font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
-                font-weight: 400;
-                font-style: normal;
-                font-size: 16px;
-                color: #7f7f7f;
-            }
-
-            .people {
-                position: relative;
-                justify-content: space-between;
-                &::after {
-                    content: "";
-                    position: absolute;
-                    top: 0;
-                    left: 0;
-                    transform: translateY(-100%);
-                    width: 30px;
-                    height: 4px;
-                    background-color: rgba(244, 174, 56, 1);
-                    border-radius: 150px;
-                }
-
-                .left {
-                    color: #aaaaaa;
-                    font-size: 13px;
-
-                    .number {
-                        color: #333333;
-
-                        margin-right: 3px;
-                    }
-                }
-
-                .right {
-                    .item {
-                        width: 26px;
-                        height: 26px;
-                        border-radius: 50%;
-                        .img {
-                            width: 26px;
-                            height: 26px;
-                            border-radius: 50%;
-                        }
-
-                        &:nth-child(6) {
-                            margin-right: -9px;
-                        }
-
-                        &:nth-child(5) {
-                            margin-right: -9px;
-                        }
-
-                        &:nth-child(4) {
-                            margin-right: -7px;
-                        }
-                    }
-                }
-            }
-        }
-
-        .topic-list {
-            .item {
-                &:hover {
-                    color: #000000;
-                }
-
-                &:not(:last-child) {
-                    margin-bottom: 1px;
-                }
-
-                .img {
-                    width: 12px;
-                    height: 10px;
-                    margin-right: 9px;
-                }
-
-                .text {
-                    font-size: 14px;
-                    color: #555555;
-                    line-height: 28px;
-                }
-            }
-        }
-    }
-
-    .selectives-box {
-        width: 628px;
-        height: 320px;
-        background-color: #ffffff;
-        border: 1px solid #e9eef2;
-        border-radius: 10px;
-        padding: 10px;
-
-        .head-top {
-            background-color: rgba(246, 130, 81, 1);
-            margin-bottom: 22px;
-        }
-
-        .list {
-            flex-wrap: wrap;
-            padding: 0 5px;
-            justify-content: space-between;
-
-            .item {
-                font-size: 14px;
-                color: #555555;
-                line-height: 20px;
-                margin-bottom: 12px;
-                position: relative;
-
-                .dot {
-                    width: 6px;
-                    height: 6px;
-                    border-radius: 50%;
-                    background-color: #f68251;
-                    margin-right: 10px;
-                }
-
-                .text {
-                    width: 265px;
-                }
-            }
-        }
-    }
-}
-
-.forum-sections-list {
-    position: relative;
-    width: 897px;
-    height: 240px;
-    background-color: rgba(255, 255, 255, 1);
-    border: 1px solid rgba(233, 238, 242, 1);
-    border-radius: 10px;
-    padding-left: 70px;
-    padding-top: 20px;
-
-    .img {
-        position: absolute;
-        top: -1px;
-        left: -1px;
-        width: 60px;
-        height: 240px;
-    }
-
-    .title {
-        font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
-        font-weight: 650;
-        font-style: normal;
-        font-size: 16px;
-        color: #000000;
-        margin-bottom: 16px;
-    }
-
-    .list {
-        .line {
-            &:not(:last-child) {
-                margin-bottom: 10px;
-            }
-            .item {
-                font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
-                font-weight: 400;
-                font-style: normal;
-                font-size: 14px;
-                color: #333;
-                padding: 0 18px;
-                height: 32px;
-                background-color: rgba(246, 246, 246, 1);
-                border: 1px solid rgba(242, 242, 242, 1);
-                border-radius: 16px;
-                cursor: pointer;
-
-                &:not(:last-child) {
-                    margin-right: 10px;
-                }
-            }
-        }
-    }
-}
-
-.item-box {
-    width: 897px;
-    background-color: rgba(255, 255, 255, 1);
-    border: 1px solid rgba(233, 238, 242, 1);
-    border-radius: 10px;
-    padding: 18px 20px 0;
-
-    .item-head {
-        margin-bottom: 14px;
-        .avatar {
-            width: 28px;
-            height: 28px;
-            border-radius: 50%;
-            margin-right: 8px;
-        }
-
-        .name {
-            font-style: normal;
-            color: #555555;
-            font-size: 14px;
-            margin-right: 8px;
-        }
-
-        .group {
-            height: 15px;
-            margin-right: 8px;
-        }
-
-        .time {
-            font-size: 13px;
-            color: #aaaaaa;
-        }
-
-        .view {
-            font-size: 12px;
-            color: #aaaaaa;
-            margin-right: 15px;
-
-            .icon {
-                width: 13px;
-                height: 8px;
-                margin-right: 5px;
-            }
-        }
-
-        .btn {
-            width: 24px;
-            height: 16px;
-            background-color: rgba(242, 242, 242, 1);
-            border-radius: 150px;
-
             .icon {
                 width: 18px;
                 height: 18px;
+                margin-left: 15rpx;
+                cursor: pointer;
+            }
+        }
+
+        .sign-in {
+            width: 192px;
+            height: 40px;
+            border-radius: 83px;
+            cursor: pointer;
+
+            &.sign-in-already {
+                background-color: #ffffff;
+                font-size: 14px;
+                color: #333;
+                .sign-icon {
+                    width: 20px;
+                    height: 20px;
+                    margin-right: 10px;
+                }
+            }
+
+            &.sign-in-no {
+                position: relative;
+                z-index: 1;
+                padding-right: 8px;
+                .sign-in-bj {
+                    position: absolute;
+                    top: 0;
+                    left: 0;
+                    z-index: -1;
+                    width: 190px;
+                    height: 40px;
+                }
+
+                .coin-bj {
+                    position: absolute;
+                    width: 157px;
+                    height: 33px;
+                    top: 4px;
+                    left: 29px;
+                }
+
+                .coin-icon {
+                    width: 43px;
+                    height: 51px;
+                    align-self: flex-end;
+                    z-index: 1;
+                    margin-left: -2px;
+                }
+
+                .text {
+                    text-align: center;
+                    text-shadow: 1px 1px 2px #a63603;
+                    -webkit-text-shadow: 1px 1px 2px #a63603;
+                    -moz-text-shadow: 1px 1px 2px #a63603;
+                    font-size: 15px;
+                    color: #fff;
+                }
+
+                .sign-go {
+                    width: 30px;
+                    height: 30px;
+                    font-family: "Arial-BoldMT", "Arial Bold", "Arial", sans-serif;
+                    font-weight: 700;
+                    font-size: 12px;
+                    color: #710600;
+                    position: relative;
+
+                    .sign-go-bj {
+                        width: 100%;
+                        height: 100%;
+                        position: absolute;
+                        z-index: -1;
+                    }
+                }
+
+                .petal1,
+                .petal2,
+                .petal3 {
+                    position: absolute;
+                }
+
+                .petal1 {
+                    width: 24px;
+                    height: 10px;
+                    top: 3px;
+                    left: 55px;
+                }
+
+                .petal2 {
+                    width: 16px;
+                    height: 14px;
+                    top: 25px;
+                    left: 92px;
+                }
+                .petal3 {
+                    width: 17px;
+                    height: 12px;
+                    top: 25px;
+                    left: 136px;
+                }
             }
         }
     }
 
-    .label {
-        margin-bottom: 10px;
-
-        .item {
-            font-size: 14px;
-            color: #555555;
-            padding: 0 9px;
-            height: 24px;
-            line-height: 24px;
-            background-color: rgba(242, 242, 242, 1);
-            border-radius: 6px;
-
-            &.icon {
-                padding: 0;
-            }
-
-            &:not(:last-child) {
-                margin-right: 10px;
-            }
-
-            &.blue {
-                color: #ffffff;
-                background-color: #04b0d5;
-            }
-        }
-    }
-
-    .title {
-        font-weight: 650;
-        font-size: 20px;
-        color: #000000;
-        line-height: 36px;
-        margin-bottom: 7px;
-        font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
-    }
-
-    .message {
-        font-size: 14px;
-        color: #555555;
-        white-space: pre-wrap;
-        margin-bottom: 15px;
-    }
-
-    .comment {
-        height: 40px;
-        background-color: rgba(246, 246, 246, 1);
-        border-radius: 10px;
-        padding: 0 10px;
-
+    .head-navigation {
+        margin-bottom: 20px;
         .icon {
-            width: 20px;
-            height: 20px;
-            border-radius: 50%;
-            margin-right: 10px;
+            width: 16px;
+            height: 16px;
+        }
+
+        .arrows {
+            width: 7px;
+            height: 12px;
+            margin: 0 5px;
         }
 
         .text {
+            padding: 0 5px;
             font-size: 14px;
-            color: #7f7f7f;
+            color: #000000;
+            cursor: pointer;
+            &:hover {
+                text-decoration: underline;
+            }
         }
     }
 
-    .bottom {
-        height: 55px;
-        justify-content: flex-end;
+    .matter {
+        .sidebar {
+            width: 150px;
+            height: 1225px;
+            background-color: rgba(8, 53, 62, 1);
+            border: 1px solid rgba(233, 238, 242, 1);
+            border-radius: 10px;
+            margin-right: 15px;
 
-        .bottom-item {
-            cursor: pointer;
-            &:not(:last-child) {
-                margin-right: 60px;
+            .title {
+                font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+                font-weight: 650;
+                font-style: normal;
+                font-size: 17px;
+                color: #badee6;
+                padding-top: 29px;
+                padding-bottom: 27px;
+                border-bottom: 1px solid rgba(255, 255, 255, 0.247058823529412);
+                margin-left: 20px;
+                margin-right: 20px;
             }
 
-            .icon {
-                width: 20px;
-                height: 20px;
-                margin-right: 8px;
+            .list {
+                padding-top: 10px;
+                padding-bottom: 10px;
+                margin-left: 20px;
+                margin-right: 20px;
+                &:not(:last-child) {
+                    border-bottom: 1px solid rgba(255, 255, 255, 0.24705882);
+                }
+                .item {
+                    height: 50px;
+                    font-size: 14px;
+                    color: rgba(255, 255, 255, 0.8);
+                    z-index: 1;
+
+                    .text {
+                        z-index: 1;
+                        position: relative;
+                    }
+
+                    &.pitch {
+                        position: relative;
+                        .text {
+                            font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+                            font-weight: 650;
+                            font-style: normal;
+                            font-size: 14px;
+                            color: #08353e;
+                        }
+                        &::after {
+                            content: "";
+                            position: absolute;
+                            top: 50%;
+                            left: 50%;
+                            transform: translate(-50%, -50%);
+                            width: calc(100% + 20px);
+                            height: 32px;
+                            background: inherit;
+                            background-color: rgba(236, 249, 250, 1);
+                            border: none;
+                            border-radius: 16px;
+                            z-index: -1;
+                        }
+                    }
+                }
+            }
+        }
+
+        .matter-content {
+            .info {
+                width: 1035px;
+                background: -webkit-linear-gradient(270.539085289936deg, rgba(255, 255, 255, 1) 2%, rgba(235, 248, 249, 1) 98%);
+                background: -moz-linear-gradient(179.460914710064deg, rgba(255, 255, 255, 1) 2%, rgba(235, 248, 249, 1) 98%);
+                background: linear-gradient(179.460914710064deg, rgba(255, 255, 255, 1) 2%, rgba(235, 248, 249, 1) 98%);
+                border: 1px solid rgba(233, 238, 242, 1);
+                border-radius: 10px;
+                padding-left: 30px;
+                padding-top: 30px;
+                padding-bottom: 34px;
+                margin-bottom: 20px;
+
+                .img {
+                    width: 80px;
+                    height: 80px;
+                    border-radius: 10px;
+                    margin-right: 20px;
+                }
+
+                .right {
+                    .title {
+                        font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+                        font-weight: 650;
+                        font-style: normal;
+                        font-size: 24px;
+                        color: #000000;
+                        margin-bottom: 15px;
+                        margin-top: 4px;
+                    }
+
+                    .link {
+                        flex-wrap: wrap;
+                        border-top: 1px dotted #d7d7d7;
+                        border-bottom: 1px dotted #d7d7d7;
+                        margin-right: 20px;
+                        margin-bottom: 28px;
+                        width: fit-content;
+                        .item {
+                            padding: 12px 0;
+                            &:not(:last-child) {
+                                margin-right: 72px;
+                            }
+                            .text {
+                                font-size: 14px;
+                                color: #333333;
+                                margin-right: 8px;
+                            }
+                            .icon {
+                                width: 12px;
+                                height: 12px;
+                            }
+                        }
+                    }
+
+                    .bottom {
+                        justify-content: space-between;
+                        margin-right: 20px;
+
+                        .data {
+                            font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+                            font-weight: 400;
+                            color: #555555;
+                            font-size: 13px;
+                            .sum {
+                                font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
+                                font-weight: 650;
+                                color: #000000;
+                                margin: 0 5px;
+                            }
+                        }
+                        .btn {
+                            width: 125px;
+                            height: 32px;
+                            background-color: rgba(80, 227, 194, 1);
+                            border-radius: 8px;
+                            font-size: 14px;
+                            color: #333;
+                            .icon {
+                                width: 16px;
+                                height: 16px;
+                                margin-right: 3px;
+                            }
+                        }
+                    }
+                }
             }
 
-            .text {
-                color: #aaaaaa;
-                font-size: 13px;
-            }
+            .details-box {
+                .content-box {
+                    margin-right: 12px;
 
-            &.like {
-                .icon {
-                    width: 18px;
-                    height: 18px;
+                    .selectives-box {
+                        width: 100%;
+                        height: 320px;
+                        background-color: #ffffff;
+                        border: 1px solid #e9eef2;
+                        border-radius: 10px;
+                        padding: 19px 14px;
+                        
+                        .head-top {
+                            width: 64px;
+                            height: 24px;
+                            border-radius: 20px 20px 20px 0;
+                            margin-bottom: 22px;
+                            background-color: rgba(246, 130, 81, 1);
+                            .icon {
+                                width: 15px;
+                                height: 12px;
+                                margin-right: 3px;
+                            }
+
+                            .text {
+                                font-family: "PingFangSC-Regular", "PingFang SC", sans-serif;
+                                font-weight: 400;
+                                font-style: normal;
+                                color: #ffffff;
+                                font-size: 14px;
+                            }
+                        }
+
+                        .list {
+                            flex-wrap: wrap;
+                            padding: 0 5px;
+                            justify-content: space-between;
+
+                            .item {
+                                font-size: 14px;
+                                color: #555555;
+                                line-height: 20px;
+                                margin-bottom: 12px;
+                                position: relative;
+
+                                .dot {
+                                    width: 6px;
+                                    height: 6px;
+                                    border-radius: 50%;
+                                    background-color: #f68251;
+                                    margin-right: 10px;
+                                }
+
+                                .text {
+                                    width: 265px;
+                                }
+                            }
+                        }
+                    }
+                }
+
+                .side-box {
+                    width: 291px;
+                    height: 300px;
+                    background-color: rgba(236, 249, 250, 1);
+                    border-radius: 10px;
                 }
             }
         }
diff --git a/img/arrows-circle-red.svg b/img/arrows-circle-red.svg
new file mode 100644
index 0000000..f537952
--- /dev/null
+++ b/img/arrows-circle-red.svg
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="12px" height="12px" xmlns="http://www.w3.org/2000/svg">
+  <g transform="matrix(1 0 0 1 -1120 -306 )">
+    <path d="M 5.25 10.046875  C 5.38541666666667 10.046875  5.50260416666667 9.99739583333333  5.6015625 9.8984375  L 9.1484375 6.3515625  C 9.24739583333333 6.25260416666667  9.296875 6.13541666666667  9.296875 6  C 9.296875 5.86458333333333  9.24739583333333 5.74739583333333  9.1484375 5.6484375  L 5.6015625 2.1015625  C 5.50260416666667 2.00260416666667  5.38541666666667 1.953125  5.25 1.953125  C 5.11458333333333 1.953125  4.99739583333333 2.00260416666667  4.8984375 2.1015625  L 4.1015625 2.8984375  C 4.00260416666667 2.99739583333333  3.953125 3.11458333333333  3.953125 3.25  C 3.953125 3.38541666666667  4.00260416666667 3.50260416666667  4.1015625 3.6015625  L 6.5 6  L 4.1015625 8.3984375  C 4.00260416666667 8.49739583333333  3.953125 8.61458333333333  3.953125 8.75  C 3.953125 8.88541666666667  4.00260416666667 9.00260416666667  4.1015625 9.1015625  L 4.8984375 9.8984375  C 4.99739583333333 9.99739583333333  5.11458333333333 10.046875  5.25 10.046875  Z M 11.1953125 2.98828125  C 11.7317708333333 3.90755208333333  12 4.91145833333333  12 6  C 12 7.08854166666667  11.7317708333333 8.09244791666666  11.1953125 9.01171875  C 10.6588541666667 9.93098958333333  9.93098958333333 10.6588541666667  9.01171875 11.1953125  C 8.09244791666667 11.7317708333333  7.08854166666667 12  6 12  C 4.91145833333333 12  3.90755208333333 11.7317708333333  2.98828125 11.1953125  C 2.06901041666667 10.6588541666667  1.34114583333333 9.93098958333333  0.8046875 9.01171875  C 0.268229166666667 8.09244791666666  0 7.08854166666667  0 6  C 0 4.91145833333333  0.268229166666667 3.90755208333333  0.8046875 2.98828125  C 1.34114583333333 2.06901041666667  2.06901041666667 1.34114583333333  2.98828125 0.8046875  C 3.90755208333333 0.268229166666666  4.91145833333333 0  6 0  C 7.08854166666667 0  8.09244791666667 0.268229166666666  9.01171875 0.8046875  C 9.93098958333333 1.34114583333333  10.6588541666667 2.06901041666667  11.1953125 2.98828125  Z " fill-rule="nonzero" fill="#f95d5d" stroke="none" transform="matrix(1 0 0 1 1120 306 )" />
+  </g>
+</svg>
\ No newline at end of file
diff --git a/img/arrows-gray.svg b/img/arrows-gray.svg
new file mode 100644
index 0000000..7ee91a6
--- /dev/null
+++ b/img/arrows-gray.svg
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="7px" height="12px" xmlns="http://www.w3.org/2000/svg">
+  <g transform="matrix(1 0 0 1 -420 -171 )">
+    <path d="M 6.87972508591065 5.72344689378758  C 6.95990836197022 5.80360721442886  7 5.89579158316633  7 6  C 7 6.10420841683367  6.95990836197022 6.19639278557114  6.87972508591065 6.27655310621242  L 1.27491408934708 11.8797595190381  C 1.19473081328751 11.9599198396794  1.10252004581901 12  0.998281786941581 12  C 0.894043528064147 12  0.801832760595647 11.9599198396794  0.721649484536082 11.8797595190381  L 0.120274914089347 11.2785571142285  C 0.0400916380297824 11.1983967935872  0 11.1062124248497  0 11.002004008016  C 0 10.8977955911824  0.0400916380297824 10.8056112224449  0.120274914089347 10.7254509018036  L 4.84707903780069 6  L 0.120274914089347 1.27454909819639  C 0.0400916380297824 1.19438877755511  0 1.10220440881763  0 0.997995991983968  C 0 0.893787575150299  0.0400916380297824 0.801603206412824  0.120274914089347 0.721442885771542  L 0.721649484536082 0.120240480961924  C 0.801832760595647 0.0400801603206409  0.894043528064147 0  0.998281786941581 0  C 1.10252004581901 0  1.19473081328751 0.0400801603206409  1.27491408934708 0.120240480961924  L 6.87972508591065 5.72344689378758  Z " fill-rule="nonzero" fill="#aaaaaa" stroke="none" transform="matrix(1 0 0 1 420 171 )" />
+  </g>
+</svg>
\ No newline at end of file
diff --git a/img/index-icon.png b/img/index-icon.png
new file mode 100644
index 0000000..739b828
Binary files /dev/null and b/img/index-icon.png differ
diff --git a/img/pen-icon.png b/img/pen-icon.png
new file mode 100644
index 0000000..af69726
Binary files /dev/null and b/img/pen-icon.png differ
diff --git a/index.html b/index.html
index 724a809..0cab754 100644
--- a/index.html
+++ b/index.html
@@ -11,7 +11,7 @@
     <body>
         <div class="container" id="appIndex">
             <!-- 话题和精选 -->
-            <div v-if="false" class="topic-and-selectives flexflex">
+            <div v-if="true" class="topic-and-selectives flexflex">
                 <div class="topic-box">
                     <div class="head-top flexcenter">
                         <img class="icon" src="https://app.gter.net/image/miniApp/offer/well-white.svg" />
@@ -54,7 +54,7 @@
                 </div>
             </div>
             <!-- 论坛板块列表 -->
-            <div v-if="false" class="forum-sections-list">
+            <div v-if="true" class="forum-sections-list">
                 <img class="img" src="./img/sections-left.svg" />
                 <div class="title">论坛版块</div>
                 <div class="list">
diff --git a/js/sectionIndex.js b/js/sectionIndex.js
index 3d9b128..c733011 100644
--- a/js/sectionIndex.js
+++ b/js/sectionIndex.js
@@ -2,8 +2,8 @@ const { createApp, ref, onMounted, nextTick, onUnmounted, computed, watch } = Vu
 
 createApp({
     setup() {
-      
+        let signInAlreadyState = ref(false);
 
-        return {  };
+        return { signInAlreadyState };
     },
-}).mount("#appIndex");
+}).mount("#sectionIndex");
diff --git a/sectionIndex.html b/sectionIndex.html
index 8a95302..fbff579 100644
--- a/sectionIndex.html
+++ b/sectionIndex.html
@@ -10,13 +10,106 @@
 
     <body>
         <div class="container" id="sectionIndex">
-            <div class="head">
+            <div class="head-top flexacenter">
                 <img class="logo" src="https://oss.gter.net/logo" alt="" />
                 <div class="flex1"></div>
-                <div class="input-box">
-                    <input type="text" placeholder="大家都在搜：屯特" />
+                <div class="input-box flexacenter">
+                    <input class="input flex1" type="text" placeholder="大家都在搜：屯特" />
                     <img class="icon" />
                 </div>
+
+                <div class="sign-in sign-in-already flexcenter" v-if="signInAlreadyState" v-cloak onclick="showWindow('dsu_paulsign', 'https://bbs.gter.net/plugin.php?id=dsu_paulsign:sign&show=sign')">
+                    <img class="sign-icon" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/sign-icon.png" />
+                    <span>已签到，明天再来</span>
+                </div>
+                <div class="sign-in sign-in-no flexacenter" v-else onclick="showWindow('dsu_paulsign', 'https://bbs.gter.net/plugin.php?id=dsu_paulsign:sign&show=sign')" v-cloak>
+                    <img class="sign-in-bj" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/sign-in-bj.svg" />
+                    <img class="coin-bj" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/coin-bj.svg" />
+                    <img class="coin-icon" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/coin-icon.png" />
+                    <span class="text flex1">签到领寄托币</span>
+                    <div class="sign-go flexcenter">
+                        <img class="sign-go-bj" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/sign-go.svg" />
+                        GO
+                    </div>
+                    <img class="petal1" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/petal1.png" />
+                    <img class="petal2" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/petal2.png" />
+                    <img class="petal3" src="//framework.x-php.com/gter/image/gter/forum/assets/forum/petal3.png" />
+                </div>
+            </div>
+
+            <div class="head-navigation flexacenter">
+                <img class="icon" src="./img/index-icon.png" />
+                <div class="text">首页</div>
+                <img class="arrows" src="./img/arrows-gray.svg" />
+                <div class="text">首页</div>
+            </div>
+
+            <div class="matter flexflex">
+                <div class="sidebar">
+                    <div class="title">论坛版块</div>
+                    <div class="list">
+                        <div v-for="item in 8" :key="item" class="item flexacenter" :class="{'pitch' : item == 1}">
+                            <span class="text">香港</span>
+                        </div>
+                    </div>
+                    <div class="list">
+                        <div v-for="item in 5" :key="item" class="item flexacenter" :class="{'pitch' : item == 1}">
+                            <span class="text">香港</span>
+                        </div>
+                    </div>
+                    <div class="list">
+                        <div v-for="item in 5" :key="item" class="item flexacenter" :class="{'pitch' : item == 1}">
+                            <span class="text">香港</span>
+                        </div>
+                    </div>
+                    <div class="list">
+                        <div v-for="item in 3" :key="item" class="item flexacenter" :class="{'pitch' : item == 1}">
+                            <span class="text">香港</span>
+                        </div>
+                    </div>
+                </div>
+                <div class="matter-content flex1">
+                    <div class="info flexflex">
+                        <img class="img" src="https://o.x-php.com/Zvt57TuJSUvkyhw-xG_Y2l-U_pood3-H1NFX9ddrB_WbUGy8P79gQxdBFebGtpgV7NkzNDQyOQ~~" />
+                        <div class="right flex1">
+                            <div class="title">香港留学</div>
+                            <div class="link flexacenter">
+                                <div class="item flexacenter" v-for="item in 4" :key="item">
+                                    <div class="text">申港超强资料包</div>
+                                    <img class="icon" src="./img/arrows-circle-red.svg" />
+                                </div>
+                            </div>
+                            <div class="bottom flexacenter">
+                                <div class="data flexacenter">
+                                    共
+                                    <div class="sum">124,098</div>
+                                    个帖子
+                                </div>
+                                <div class="btn flexcenter">
+                                    <img class="icon" src="./img/pen-icon.png" />
+                                    <div class="text">发帖</div>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+                    <div class="details-box flexflex">
+                        <div class="content-box flex1">
+                            <div class="selectives-box">
+                                <div class="head-top flexcenter">
+                                    <img class="icon" src="https://app.gter.net/image/miniApp/offer/handpick-icon.png" />
+                                    <div class="text">精选</div>
+                                </div>
+                                <div class="list flexflex">
+                                    <div class="item flexacenter" v-for="(item, index) in 16" :key="index">
+                                        <div class="dot"></div>
+                                        <div class="text one-line-display">美国各院校申请时间汇总（一）美国各院校申请时间汇总（一）美国各院校申请时间汇总（一）</div>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+                        <div class="side-box"></div>
+                    </div>
+                </div>
             </div>
         </div>
         <script src="./js/sectionIndex.js"></script>