@charset "utf-8";

/*
 * CSS CONTENTS:
 * 01. Web Font
 * 02. Type Selector Reset
 * 03. Accessibility Navigation
 * 04. Layout Selector
 * 05. Components
 * 06. Entry Content
 * 07. Comment
 * 08. Aside(sidebar)
 * 09. ETC
 * 10. Option(Color Type & List Type)
 * 11. Retina Display
 * 12. Media Screen
 */

/* Web Font Load */
@import url('https://fonts.googleapis.com/css2?family=Nanum+Myeongjo:wght@800&display=swap&subset=korean');

/* Type Selector Reset */
body {
  -webkit-text-size-adjust: 100%;
  font-weight: 400;
  font-family: Pretendard-Regular, 'AppleSDGothicNeo', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  font-size: 1em;
  line-height: 1.5;
  color: #555;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  font-size: 100%;
}

div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td, figure {
  margin: 0;
  padding: 0;
}

header, footer, section, article, aside, nav, hgroup, details, menu, figure, figcaption {
  display: block;
}

button, input[type=submit], input[type=reset], input[type=button] {
  overflow: visible;
  cursor: pointer;
}

input[type=text], input[type=email], input[type=password], input[type=submit], textarea {
  -webkit-appearance: none;
}

input, select, textarea, button {
  font-family: inherit;
  font-size: 100%;
  border-radius: 0;
}

button {
  overflow: visible;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

ul li {
  list-style: none;
}

img, fieldset {
  border: none;
}

hr {
  display: none;
}

a, a:link {
  text-decoration: none;
  color: #555;
}

a:visited {
  text-decoration: none;
}

a:hover, a:focus {
  text-decoration: underline;
  color: #222;
}

a:active {
  text-decoration: none;
}

/* Accessibility Navigation */
#acc-nav {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 0;
}

#acc-nav a {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin-left: -1px;
  margin-bottom: -1px;
  text-align: center;
  font-weight: bold;
  font-size: 0.875em;
  color: #000;
  white-space: nowrap;
}

#acc-nav a:focus, #acc-nav a:hover, #acc-nav a:active {
  width: 100%;
  height: auto;
  padding: 10px 0;
  background: #000;
  color: #fff;
  z-index: 1000;
}

/* Header & Layout Structure */
#header {
  border-bottom: 1px solid #eee;
}

#header .inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

#header h1 {
  padding: 23px 0;
  font-family: 'Nanum Myeongjo', serif;
  font-weight: 800;
  font-size: 1.75em;
  line-height: 32px;
  letter-spacing: -0.2px;
  color: #333;
}

#header h1 a {
  display: inline-block;
  height: 32px;
  text-decoration: none;
  color: #333;
  vertical-align: top;
}

#header h1 img {
  width: auto;
  height: 32px;
}

#header .util {
  position: absolute;
  top: 24px;
  right: 0;
}

#header .util .search {
  position: relative;
  float: left;
  overflow: hidden;
  width: 32px;
  background-color: #fff;
  box-sizing: border-box;
  transition: width 0.5s;
  -webkit-transition: width 0.5s;
}

#header .util .search:before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  z-index: 20;
  width: 32px;
  height: 32px;
  border: 1px solid #eee;
  border-radius: 50%;
  text-indent: -999em;
  background: #fff url(./images/ico_package.png) no-repeat 0 0;
  vertical-align: top;
  box-sizing: border-box;
  outline: none;
  cursor: pointer;
}

#header .util .search input {
  width: 32px;
  height: 32px;
  padding: 5px 15px;
  border: 0;
  background-color: transparent;
  font-size: 0.875em;
  line-height: 1;
  outline: none;
  box-sizing: border-box;
}

#header .util .search input:focus {
  border-color: #484848;
}

#header .util .search input::placeholder {
  color: #969696;
}

#header .util .search button {
  position: absolute;
  top: 1px;
  right: 1px;
  z-index: 10;
  width: 30px;
  height: 30px;
  text-indent: -999em;
  border: 1px solid #eee;
  border-radius: 50%;
  background: #fff url(./images/ico_package.png) no-repeat -1px -1px;
  vertical-align: top;
  outline: none;
}

#header .util .search.on {
  width: 200px;
}

#header .util .search.on:before {
  content: none;
}

#header .util .search.on input {
  display: block;
  width: 100%;
  border: 1px solid #eee;
  border-radius: 32px;
}

#header .util .search.on button {
  border-color: transparent;
}

#header .util .profile {
  position: relative;
  float: left;
  margin-left: 14px;
}

#header .util .profile button {
  display: block;
  overflow: hidden;
  width: 32px;
  height: 32px;
  border: 1px solid #eee;
  border-radius: 50%;
}

#header .util .profile img {
  width: 100%;
  height: 100%;
}

#header .util .profile nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 30;
  width: 96px;
  margin: 0 0 0 -48px;
  padding-top: 12px;
}

#header .util .profile ul {
  box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
}

#header .util .profile ul li a {
  display: block;
  margin-top: -1px;
  border: 1px solid #eee;
  background-color: #fff;
  text-align: center;
  text-decoration: none;
  font-size: 0.875em;
  line-height: 2.3125rem;
  color: #777;
}

#header .util .profile ul li a:focus,
#header .util .profile ul li a:hover {
  background-color: #fafafa;
  color: #333;
}

#header .util .menu {
  display: none;
}

#gnb {
  height: 66px;
  overflow-x: auto;
  overflow-y: hidden;
  -ms-overflow-style: none;
}

#gnb::-webkit-scrollbar {
  display: none;
}

#gnb ul {
  display: inline-block;
  margin-left: -30px;
  vertical-align: top;
}

#gnb ul li {
  float: left;
  padding: 0 26px;
}

#gnb ul li a {
  position: relative;
  display: block;
  text-decoration: none;
  padding: 22px 4px 24px;
  color: #777;
}

#gnb ul li a:hover,
#gnb ul li.current a {
  color: #333;
}

#gnb ul li.current a:after,
#gnb ul li a:hover:after,
#gnb ul li a:focus:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #333;
}

#container {
  position: relative;
}

#container .content-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 스킨 기본 고정 세로선 해제 */
#container .content-wrap:before {
  display: none !important;
}

#container .content-wrap:after {
  content: "";
  clear: both;
  display: block;
  height: 0;
  visibility: hidden;
}

/* 본문 영역 구조 */
#content {
  float: left;
  width: calc(100% - 190px) !important;
  padding: 50px 45px 60px 0 !important;
  border-right: 1px solid #eee !important;
  box-sizing: border-box !important;
}

#content>.inner:after {
  content: "";
  clear: both;
  display: block;
  height: 0;
  visibility: hidden;
}

/* 우측 사이드바(카테고리) 영역 */
#aside {
  float: right;
  width: 150px !important;
  padding: 50px 0 32px 15px !important;
  box-sizing: border-box !important;
}

#aside .close,
#aside .profile {
  display: none;
}

#footer {
  padding: 38px 0 28px;
  border-top: 1px solid #eee;
}

#footer .inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

#footer p {
  margin-bottom: 10px;
  font-size: 0.875em;
  color: #777;
}

#footer .order-menu a {
  display: inline-block;
  margin-bottom: 23px;
  font-size: 0.8125em;
  vertical-align: middle;
  color: #555;
}

#footer .order-menu a:hover,
#footer .order-menu a:focus {
  color: #333;
}

#footer .order-menu a:before {
  content: "";
  display: inline-block;
  width: 2px;
  height: 2px;
  margin: 0 20px 2px 15px;
  background-color: #d2d2d2;
  vertical-align: middle;
}

#footer .order-menu a:first-child::before {
  content: none;
}

#footer .page-top {
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 30px;
  border: 1px solid #eee;
  border-radius: 50%;
  background: #fff url(./images/ico_package.png) no-repeat -100px -200px;
  text-indent: -999em;
}

#footer .page-top:focus,
#footer .page-top:hover {
  background-color: #757575;
  background-position-x: -150px;
}

#tt-body-index .main-slider {
  display: block;
}

#tt-body-index #content {
  padding-bottom: 43px;
}

#tt-body-index .post-cover.notice {
  height: auto;
  background-color: transparent;
}

#tt-body-index .post-cover.notice h1 {
  margin: 0;
  font-size: 1.6875em;
  line-height: 1.5;
  color: #000;
}

#tt-body-index .post-cover.notice h1 a {
  color: #000;
}

#tt-body-index .post-cover.notice .meta {
  margin: 0 0 30px;
  color: rgba(0, 0, 0, 0.6);
}

/* ==========================================================================
   [1. 상세페이지 대표화면 복원 & 본문 시작 유격 최적화]
   ========================================================================== */
#tt-body-page #container {
  padding-top: 340px !important;
}

#tt-body-page.post-cover-hide #container {
  padding-top: 0 !important;
}

#tt-body-page #content {
  padding-top: 15px !important; /* 상단 대표화면 직후 본문과의 멀었던 여백 제거 */
}

.post-cover {
  position: absolute !important;
  top: -1px !important;
  left: 0 !important;
  z-index: 20 !important;
  display: table !important;
  width: 100% !important;
  height: 340px !important; /* 시원하고 안정적인 상단 커버 높이 고정 */
  background-color: #cbcbcb;
  background-position: 50% 50%;
  background-size: cover;
  box-sizing: border-box;
}

.post-cover:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
}

.post-cover .inner {
  display: table-cell !important;
  position: relative !important;
  z-index: 10 !important;
  vertical-align: bottom !important;
  padding-bottom: 50px !important;
  max-width: 1200px;
  margin: 0 auto;
}

.post-cover .category {
  display: block;
  max-width: 1200px;
  margin: 0 auto 10px;
  font-size: 0.875em;
  color: #fff;
}

.post-cover h1 {
  max-width: 1200px;
  margin: 0 auto;
  font-weight: 400;
  font-size: 1.85em !important;
  line-height: 1.35;
  color: #fff;
}

.post-cover a {
  text-decoration: none;
  color: #fff;
}

.post-cover .meta {
  display: block;
  max-width: 1200px;
  margin: 15px auto 0 !important;
  font-size: 0.85em;
  color: rgba(255, 255, 255, 0.7);
}

.post-cover .meta a {
  color: rgba(255, 255, 255, 0.7);
}

.post-cover .meta a:before,
.post-cover .meta span:before {
  content: "";
  display: inline-block;
  width: 2px;
  height: 2px;
  margin: 0 8px 0 4px;
  background-color: rgba(255, 255, 255, 0.6);
  vertical-align: middle;
}

.post-cover .meta span:first-child:before {
  content: none;
}

#tt-body-tag .tags {
  margin-top: 0;
}

/* Components */
.btn, a.btn {
  display: inline-block;
  width: 100px;
  height: 36px;
  background-color: #c4c4c4;
  text-align: center;
  font-weight: 400;
  font-size: 14px;
  line-height: 36px;
  color: #fff;
  vertical-align: middle;
}

.btn:hover {
  background-color: #676767;
}

.main-slider {
  display: none;
  position: relative;
  top: -1px;
  z-index: 20;
  overflow: hidden;
  width: 100%;
  background-color: #cbcbcb;
}

.main-slider ul {
  position: relative;
}

.main-slider ul li {
  display: table;
  width: 100%;
  height: 340px;
  background-position: 50% 50%;
  background-size: cover;
}

.main-slider ul li a {
  display: table;
  width: 100%;
  height: 100%;
  text-decoration: none;
  background-color: rgba(0, 0, 0, 0.15);
}

.main-slider ul li .inner {
  display: table-cell;
  vertical-align: middle;
}

.main-slider ul li .box {
  display: block;
  max-width: 910px;
  margin: 0 auto;
  padding: 0 24px 6px;
}

.main-slider ul li .text {
  display: block;
  overflow: hidden;
  max-width: 65%;
  text-overflow: ellipsis;
  font-weight: 300;
  font-size: 2.125em;
  line-height: 1.2352;
  color: #fff;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.main-slider ul li .btn {
  display: block;
  width: 118px;
  height: 35px;
  margin-top: 32px;
  border-radius: 35px;
  line-height: 35px;
  background-color: #fff;
  color: #555;
}

.main-slider ul li .btn:hover {
  background-color: #04beb8;
  color: #fff;
}

.main-slider .prev,
.main-slider .next {
  display: none;
}

.main-slider .paging {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
  margin-left: 447px;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}

.main-slider .paging button {
  display: block;
  width: 8px;
  height: 8px;
  margin: 10px 0;
  text-indent: -999em;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
}

.main-slider .paging .current {
  background-color: rgba(255, 255, 255, 1);
}

/* 목록 타이틀 ("전체 글 9") 소형화 */
.post-header {
  padding-top: 0 !important;
  margin-bottom: 20px !important;
}

.post-header h1 {
  margin-bottom: 0 !important;
  font-size: 1.1em !important;
  font-weight: 600 !important;
  color: #333 !important;
}

.post-header h1 em {
  margin-left: 6px !important;
  font-size: 0.95em !important;
  font-weight: 700 !important;
  font-style: normal !important;
  color: #04beb8 !important;
}

/* ==========================================================================
   [2. 썸네일 규격 고정 & 정중앙 정렬 (atg 감속기 규격 완벽 동일화)]
   ========================================================================== */
.post-item {
  float: left !important;
  width: 31% !important;
  margin: 0 0 50px 3.5% !important;
}

.post-item:nth-child(3n+1) {
  clear: both !important;
  margin-left: 0 !important;
}

.post-item a {
  display: block;
  text-decoration: none;
}

.post-item a:hover .title,
.post-item a:focus .title {
  text-decoration: underline;
}

/* 박스 높이를 72% 비율로 고정하여 하단 글이 딸려 올라가는 현상 완전 차단 */
.post-item .thum {
  position: relative !important;
  display: block !important;
  overflow: hidden !important;
  width: 100% !important;
  height: 0 !important;
  margin-bottom: 12px !important;
  padding-bottom: 72% !important; /* 고정 박스 비율 */
  background-color: #ffffff !important; /* 남는 빈 공간은 무조건 흰색 */
  border: 1px solid #f1f1f1 !important;
  box-sizing: border-box !important;
}

/* 규격이 다른 사진이라도 박스 수평/수직 '정중앙(center)' 위치 고정 */
.post-item .thum img {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important; /* 잘림 없이 완전한 이미지 노출 */
  transform: translate(-50%, -50%) !important;
  -webkit-transform: translate(-50%, -50%) !important;
  -ms-transform: translate(-50%, -50%) !important;
}

.post-item .title {
  display: block;
  overflow: hidden;
  max-width: 98%;
  margin-bottom: 6px;
  padding-top: 4px;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 1.05em !important;
  font-weight: 500;
  line-height: 1.4;
  color: #222;
}

.post-item .excerpt {
  display: block;
  overflow: hidden;
  max-width: 98%;
  margin-bottom: 12px;
  text-overflow: ellipsis;
  font-size: 0.84em !important;
  line-height: 1.55rem;
  color: #888;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.post-item .meta {
  display: block;
  font-size: 0.75em;
  color: #aaa;
}

.post-item .meta span:before {
  content: "";
  display: inline-block;
  width: 2px;
  height: 2px;
  margin: 0 8px 0 5px;
  background-color: #d2d2d2;
  vertical-align: middle;
}

.post-item .meta span:first-child:before {
  content: none;
}

.post-item.protected .thum:before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 47px;
  margin: -24px 0 0 -17px;
  background: url(./images/ico_package.png) no-repeat 0 -120px;
  background-size: 120px auto;
}

.not-found {
  display: block;
  width: 100%;
  margin-bottom: 35px;
}

.not-found li {
  position: relative;
  padding-left: 10px;
  font-size: 0.9375em;
  line-height: 2;
  color: #999;
}

.not-found li:before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  width: 2px;
  height: 2px;
  background-color: #999;
}

.not-found .tag,
.not-found .category,
.not-found .archive {
  display: none;
}

#tt-body-tag .not-found ul,
#tt-body-category .not-found ul,
#tt-body-archive .not-found ul {
  display: none;
}

#tt-body-tag .not-found .tag,
#tt-body-category .not-found .category,
#tt-body-archive .not-found .archive {
  display: block;
}

.pagination {
  margin-bottom: 60px;
  text-align: center;
}

.pagination a {
  display: inline-block;
  margin: 0 12px;
  font-size: 0.875em;
  line-height: 1.5rem;
  vertical-align: top;
  color: #999;
}

.pagination .selected {
  color: #333;
}

.pagination .prev,
.pagination .next {
  width: 22px;
  height: 22px;
  border: 1px solid #eee;
  border-radius: 50%;
  background: url(./images/ico_package.png) no-repeat 0 -50px;
  text-indent: -999em;
}

.pagination .next {
  background-position-x: -50px;
}

.pagination .view-more {
  display: block;
  margin: 0;
  padding: 12px 0 11px;
  border: 1px solid #eee;
  text-align: center;
  font-size: 0.875em;
  color: #999;
}

.tags {
  margin-bottom: 45px;
  font-size: 0;
}

.tags:after {
  content: "";
  clear: both;
  display: block;
  height: 0;
  visibility: hidden;
}

.tags h2 {
  margin-bottom: 15px;
  font-weight: 600;
  font-size: 16px;
}

.tags a {
  display: inline-block;
  margin: 0 8px 12px 0;
  padding: 0 17px;
  border: 1px solid #eee;
  border-radius: 32px;
  font-size: 14px;
  line-height: 30px;
  vertical-align: middle;
  color: #555;
}

.tags a:hover,
.tags a:focus {
  color: #333;
}

.page-nav {
  margin: 52px 0 60px 0;
  padding: 23px 0 20px;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.page-nav a {
  display: block;
  overflow: hidden;
  padding-left: 58px;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875em;
  line-height: 2.125rem;
  color: #555;
}

.page-nav a:hover,
.page-nav a:focus {
  color: #333;
}

.page-nav a strong {
  float: left;
  width: 58px;
  margin-left: -58px;
  font-weight: 400;
  color: #999;
}

.page-nav a strong:after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 5px;
  margin: 0 8px;
  background: url(./images/ico_package.png) no-repeat -150px -50px;
  vertical-align: middle;
}

.related-articles {
  margin-bottom: 55px;
}

.related-articles h2 {
  margin-bottom: 15px;
  font-weight: 600;
  font-size: 1em;
}

.related-articles ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  width: 100%;
  margin-left: 0;
}

.related-articles ul li {
  flex: 1 1 calc(25% - 12px);
  max-width: calc(25% - 12px);
  box-sizing: border-box;
}

.related-articles ul li a {
  display: block;
  color: #555;
}

.related-articles ul li a:hover,
.related-articles ul li a:focus {
  color: #333;
}

.related-articles ul li figure {
  position: relative !important;
  display: block !important;
  overflow: hidden !important;
  width: 100% !important;
  height: 0 !important;
  padding-bottom: 72% !important;
  margin-bottom: 9px;
  background-color: #ffffff !important;
  border: 1px solid #f1f1f1 !important;
  box-sizing: border-box !important;
  border-radius: 4px;
}

.related-articles ul li figure img {
  position: absolute !important;
  top: 50% !important;
  left: 50% !important;
  width: 100% !important;
  height: 100% !important;
  object-fit: contain !important;
  transform: translate(-50%, -50%) !important;
}

.related-articles ul li .title {
  display: block;
  overflow: hidden;
  max-width: 95%;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.875em;
  line-height: 1.4;
}

/* Entry Content 본문 스타일 */
#article-view {
  margin: 0;
  padding: 10px 0 50px !important;
  word-wrap: break-word;
  color: #333;
  min-height: 370px;
  font-family: Pretendard-Regular, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Apple SD Gothic Neo", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0;
}

.contents_style>* {
  margin: 20px 0 0 0;
}

.entry-content h1 {
  clear: both;
  margin: 29px 0 22px;
  font-size: 1.6875em;
  line-height: 1.5;
  color: #000;
}

.entry-content h2 {
  clear: both;
  margin: 29px 0 22px;
  font-size: 1.5em;
  line-height: 1.5;
  color: #000;
}

.entry-content h3 {
  clear: both;
  margin: 29px 0 22px;
  font-size: 1.3125em;
  line-height: 1.5;
  color: #000;
}

.entry-content h4 {
  clear: both;
  margin: 29px 0 22px;
  font-weight: 400;
  font-size: 1.125em;
  line-height: 1.5;
  color: #000;
}

.entry-content p {
  word-break: break-word;
}

.entry-content p img {
  max-width: 100%;
  height: auto;
}

/* 우측 사이드바(카테고리) 폰트 정돈 */
.sidebar {
  width: 100% !important;
  box-sizing: border-box;
}

.sidebar h2 {
  margin-bottom: 12px;
  font-weight: 700;
  font-size: 0.95em;
  color: #222;
}

.sidebar ul {
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

.sidebar ul li {
  padding: 4px 0 !important;
  font-size: 0.88em;
  line-height: 1.5;
  color: #444;
  word-break: keep-all;
}

.sidebar ul li a {
  color: #444;
  display: inline-block;
  max-width: 100%;
}

.sidebar ul li a:hover {
  color: #000;
  text-decoration: underline;
}

.sidebar .category {
  margin-bottom: 30px;
  width: 100%;
}

.sidebar .category ul li {
  padding: 0;
  font-size: 0.92em;
  font-weight: 600;
}

.sidebar .category ul li a {
  color: #222;
}

.sidebar .category ul li ul {
  padding-top: 6px;
  padding-left: 0;
}

.sidebar .category ul li ul li {
  padding: 4px 0 !important;
  font-weight: 400;
  font-size: 0.9em;
}

.sidebar .category ul li ul li ul {
  overflow: hidden;
  margin-bottom: 0;
  padding-top: 4px;
}

.sidebar .category ul li ul li ul li {
  position: relative;
  padding: 3px 0 3px 10px !important;
  font-size: 0.88em;
}

.sidebar .category ul li ul li ul li:before {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 2px;
  height: 100%;
  background-color: #ddd;
}

.sidebar .category ul li ul li ul li:first-child:before {
  top: 6px;
  bottom: auto;
}

.sidebar .category ul li ul li ul li a {
  color: #666;
}

/* ==========================================================================
   [3. 모바일 반응형 완벽 복원 (깨짐 방지)]
   ========================================================================== */
@media screen and (max-width:1080px) {
  #header h1,
  #footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  #header .util {
    right: 24px;
  }

  #gnb ul {
    margin-left: -6px;
  }

  .post-cover {
    padding-left: 24px;
    padding-right: 24px;
  }
}

@media screen and (max-width:767px) {
  #header h1 {
    position: relative;
    z-index: 10;
    padding: 24px;
    background-color: #fff;
  }

  #header .util {
    top: 0;
    right: 0;
    width: 100%;
    padding: 24px 68px 24px 24px;
    box-sizing: border-box;
  }

  #header .util .profile {
    display: none;
  }

  #header .util .menu {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 300;
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 1px solid #eee;
    border-radius: 50%;
    text-indent: -999em;
    outline: none;
  }

  #header .util .menu span,
  #header .util .menu:before,
  #header .util .menu:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 1px;
    margin: 0 0 0 -8px;
    background-color: #7f7f7f;
    transition: transform .5s;
    -webkit-transition: transform .5s;
  }

  #gnb {
    height: 69px;
  }

  #gnb ul {
    margin-left: 0;
  }

  #gnb ul li {
    padding: 0 24px;
  }

  #gnb ul li a {
    padding: 25px 0 24px;
  }

  #container .content-wrap {
    padding: 0;
  }

  /* 모바일 레이아웃 1열 스택 복원 */
  #content {
    float: none !important;
    width: 100% !important;
    padding: 20px 16px 40px !important;
    border-right: none !important;
  }

  #aside {
    position: fixed !important;
    top: 0;
    right: -278px;
    z-index: 400;
    float: none !important;
    overflow: auto;
    width: 278px !important;
    height: 100%;
    padding: 94px 24px 40px !important;
    background-color: #fff;
    border-left: none !important;
    box-sizing: border-box;
    transition: left .5s;
    -webkit-transition: right .5s;
  }

  #aside .close {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 300;
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 1px solid #eee;
    border-radius: 50%;
    text-indent: -999em;
    outline: none;
  }

  #aside .close:before,
  #aside .close:after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 1px;
    margin: 0 0 0 -8px;
    background-color: #7f7f7f;
  }

  #aside .close:before {
    transform: rotate(-45deg);
  }

  #aside .close:after {
    transform: rotate(45deg);
  }

  #footer {
    padding: 32px 24px 26px;
  }

  /* 모바일 카드 풀사이즈 복원 */
  .post-item {
    float: none !important;
    width: 100% !important;
    margin-left: 0 !important;
    margin-bottom: 30px !important;
  }

  .post-item .thum {
    margin-bottom: 8px !important;
  }

  /* 모바일 커버 높이 및 글자 가독성 복원 */
  #tt-body-page #container {
    padding-top: 240px !important;
  }

  .post-cover {
    height: 240px !important;
  }

  .post-cover .inner {
    padding-bottom: 25px !important;
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .post-cover h1 {
    font-size: 1.35em !important;
  }

  .entry-content {
    padding: 0 16px;
  }

  .tags, .related-articles, .comments, .comment-form {
    padding: 0 16px;
  }
}