@charset "UTF-8";
/*!
 * Bootstrap v4.0.0-beta.3 (https://getbootstrap.com)
 * Copyright 2011-2017 The Bootstrap Authors
 * Copyright 2011-2017 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
/****************************************   bbs 业务部分  ****************************************/
html, table {
  font-size: 14px;
}

body {
  background: #dee2e6;
}

html, body {
  height: 100%;
  display: flex;
  flex-direction: column;
  font-family: "Helvetica Neue", Helvetica, "Microsoft Yahei", "Hiragino Sans GB", "WenQuanYi Micro Hei", "微软雅黑", "华文细黑", STHeiti, sans-serif;
}

/* 页脚固定在底部 */
#header, #body, #footer {
  width: 100%;
}

#header {
  flex: 0 0 auto;
}

#body {
  flex: 1 0 auto;
}

#footer {
  flex: 0 0 auto;
}

#body > .container > .row > .aside {
  padding-left: 0;
}

.table th {
  border-top: none;
}

.table > tbody > tr:first-child > td {
  border-top: none;
}

/*
.borde {
  border: 1px solid rgba($black, 0.125);
  border-radius: 0.25rem;
}
.shadow {
  box-shadow: 2px 2px 3px rgba($gray-600, .25);
}
*/
.card {
  margin-bottom: 1rem;
  background: #f8f9fa;
  box-shadow: 2px 2px 3px rgba(173, 181, 189, 0.25);
}

.card > .card-header {
  color: #454d55;
  font-size: 14px;
  border-bottom: 1px solid #dee2e6;
  background-image: linear-gradient(0deg, #e9ecef, #f8f9fa);
}

.card > .card-block > table > tbody > tr:last-child > td {
  border-bottom: 0px;
}

.card-header-tabs > .nav-item > .nav-link:hover:not(.active) {
  border: 1px solid #dee2e6;
}

.card-header-tabs > .nav-item > .nav-link.active {
  background-image: linear-gradient(0deg, #f8f9fa, #fff);
  border-color: #dee2e6;
  border-bottom-color: #f8f9fa;
}

.breadcrumb {
  background-color: rgba(248, 249, 250, 0.8) !important;
  border: 1px solid #dee2e6;
  box-shadow: 1px 1px 2px rgba(233, 236, 239, 0.25);
}

.breadcrumb:hover {
  background-color: #fff !important;
}

.breadcrumb .breadcrumb-item {
  display: inline-flex;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.breadcrumb .breadcrumb-item a {
  max-width: 400px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-header-dropdown .dropdown .dropdown-toggle {
  text-decoration: none;
  color: #495057;
}

.card-header-dropdown .dropdown-menu {
  min-width: 8rem;
  padding: 0.25rem 0;
}

.card-header-dropdown .dropdown-menu .dropdown-item {
  text-decoration: none;
  padding: 0.25rem 0.5rem;
}

.card-header-dropdown .dropdown-menu .dropdown-item i {
  width: 12px;
}

/* 小屏: only small screen */
@media (max-width: 576px) {
  #body {
    padding-top: 0.5rem;
  }
  #body > .container > .row > div {
    padding: 0.5rem;
  }
}

/* 小屏 + 中屏: small + middle */
@media (max-width: 992px) {
  #nav {
    padding-top: 1.5rem;
    padding-left: 0.5rem;
  }
  #nav > ul:first-child > li:not(:first-child) {
    padding-left: 3rem;
  }
  #nav > ul > li > a.nav-link {
    border-bottom: 1px solid rgba(134, 142, 150, 0.3);
  }
}

/* 中屏 + 大屏: middle + big */
@media (min-width: 576px) {
  #body {
    padding-top: 1rem;
  }
}

.addattach:hover {
  font-weight: 800;
}

/*@teax 弥补bootstrap beta3的不足，分页如果过多则换行，防止超出屏幕*/
.pagination {
  flex-wrap: wrap;
}

table.nav_tag_list {
  margin-bottom: 0.2rem;
}

table.nav_tag_list td {
  padding: 0.1rem;
}

table.nav_tag_list td a {
  margin-right: 0.5rem;
}

.nav_tag_list .active {
  font-weight: 800;
}

@keyframes quote_animation {
  from {
    background-color: #177f2e;
  }
  to {
    background-color: #f8f9fa;
  }
}

li.quote {
  background-color: #e9ecef;
  animation: quote_animation 1s;
  -moz-animation: quote_animation 1s;
  -webkit-animation: quote_animation 1s;
  -o-animation: quote_animation 1s;
  background-image: url(../img/quote.png);
  background-repeat: no-repeat;
  background-position: top right;
}

.blockquote {
  font-size: 0.8rem;
  background-color: #e9ecef;
  background-image: url(../img/quote.png);
  background-repeat: no-repeat;
  background-position: top right;
  padding: 0.5rem 1rem !important;
}

.blockquote .user {
  margin-right: 0.5rem;
}

.thread, .post {
  border-bottom: 1px solid #e9ecef;
  padding: 0.7rem 0px;
}

.thread:hover {
  background-color: white;
}

.threadlist > .thread:last-child,
.postlist > .post:last-child {
  border-bottom: 0px;
}

.postlist .media-body {
  width: 1%;
}

.message p {
  margin: 0.2rem 0;
  line-height: 1.7;
}

.message img {
  max-width: 100%;
  height: auto !important;
  border: 1px solid #dee2e6;
  margin-bottom: 0.5rem;
}

.thread .badge {
  font-weight: normal;
}

.subject {
  font-size: 1.04rem;
}

.message {
  font-size: 1.1rem;
}

/* 回帖输入框 */
#message {
  height: 2.4rem;
  transition: height 0.2s;
}

/* 导航 */
.navbar h5 {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.3);
  margin-top: 1.75rem;
  font-weight: 800;
}

.navbar nav {
  padding-bottom: 1rem;
}

.navbar nav:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#mobile_nav .navbar-nav {
  flex-direction: row;
}

#mobile_nav .navbar-nav .nav-link {
  margin-right: 1rem;
}

#nav_pc_2 {
  background: #868e96;
}

#nav_pc_2 a {
  color: #e9ecef;
}

#nav_pc_2 .active a {
  color: #fff;
  font-weight: 800;
}

/* ============================================
   MODERN NAVIGATION OVERRIDE - 2024
   ============================================ */

/* Force white navigation bar */
#header.navbar,
#header.navbar-dark,
#header.bg-dark {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
}

#header .navbar-brand {
  color: #0f172a !important;
  font-weight: 700;
}

#header .nav-link {
  color: #475569 !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 9999px;
  transition: all 0.15s ease;
}

#header .nav-link:hover,
#header .nav-link.active {
  color: #3b82f6 !important;
  background: rgba(59, 130, 246, 0.1);
}

#header .navbar-toggler {
  border-color: #e2e8f0 !important;
  background: #f1f5f9;
  border-radius: 8px;
  padding: 0.5rem;
}

#header .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(100, 117, 139, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Mobile menu white background */
@media (max-width: 991px) {
  #header #nav,
  #header #nav.collapse,
  #header #nav.navbar-collapse {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid #e2e8f0 !important;
  }
  
  #header .nav-link {
    color: #475569 !important;
    border-bottom: 1px solid #f1f5f9;
    padding: 1rem !important;
  }
  
  #header .nav-link:hover {
    background: rgba(59, 130, 246, 0.1) !important;
    color: #3b82f6 !important;
  }
}

/* Modern body background */
body {
  background: #f8fafc !important;
}

/* Modern cards */
.card {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.card > .card-header {
  background: transparent;
  border-bottom: 1px solid #e2e8f0;
  font-weight: 600;
  color: #0f172a;
}

/* Modern breadcrumb */
.breadcrumb {
  background: #ffffff !important;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Thread items modern */
.thread {
  padding: 1rem;
  border-bottom: 1px solid #e2e8f0;
  transition: background 0.15s ease;
}

.thread:hover {
  background: #f8fafc;
}

/* Button modern */
.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  border: none;
  border-radius: 9999px;
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* Pagination modern */
.page-link {
  border-radius: 8px;
  margin: 0 2px;
  border: 1px solid #e2e8f0;
  color: #475569;
  font-weight: 500;
}

.page-link:hover {
  background: #3b82f6;
  border-color: #3b82f6;
  color: white;
}

.page-item.active .page-link {
  background: #3b82f6;
  border-color: #3b82f6;
}

/* ============================================
   MODERN FORUM GRID - Index Page
   ============================================ */

.forum-grid-wrapper {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
}

.forum-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 1200px) {
  .forum-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .forum-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  .forum-grid-wrapper {
    padding: 1rem;
  }
}

.forum-grid-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.forum-grid-item:hover {
  background: #ffffff;
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
  transform: translateY(-2px);
  text-decoration: none;
  color: inherit;
}

.forum-grid-icon img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
}

.forum-grid-info {
  flex: 1;
  min-width: 0;
}

.forum-grid-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #0f172a;
  margin: 0 0 0.25rem 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.forum-grid-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: #64748b;
}

.forum-grid-stats i {
  margin-right: 2px;
}

/* ============================================
   MODERN SIDEBAR - Site Info
   ============================================ */

.site-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.site-brief {
  font-size: 0.85rem;
  color: #64748b;
  line-height: 1.6;
}

.site-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.stat-box {
  text-align: center;
  padding: 0.75rem;
  background: #f8fafc;
  border-radius: 8px;
}

.stat-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: #3b82f6;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.7rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================
   MODERN THREAD LIST
   ============================================ */

.threadlist .thread {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e2e8f0;
  transition: background 0.15s ease;
}

.threadlist .thread:last-child {
  border-bottom: none;
}

.threadlist .thread:hover {
  background: #f8fafc;
}

.threadlist .media-body {
  flex: 1;
  min-width: 0;
}

.threadlist .subject {
  font-size: 1rem;
  font-weight: 500;
  color: #0f172a;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.threadlist .subject a {
  color: inherit;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.threadlist .subject a:hover {
  color: #3b82f6;
}

.threadlist .small {
  font-size: 0.8rem;
  color: #64748b;
}

.threadlist .avatar-3 {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  object-fit: cover;
}

/* ============================================
   FORUM PAGE - Modern Structure
   ============================================ */

.card-forum-info .card-body {
  text-align: center;
  padding: 1.5rem;
}

.card-forum-info img {
  width: 80px;
  height: 80px;
  border-radius: 16px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-forum-info h5 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.card-forum-info .line-height-2 {
  font-size: 0.85rem;
  color: #64748b;
  text-align: left;
}