/* 竹境论坛 主题：浅白翠绿 × 清新圆润 × 多端自适应 */
:root{
  --primary:    #7BA23F;   /* 竹绿主色（官网同款） */
  --primary-dk: #5c7c30;   /* 深竹绿（柔和） */
  --accent:     #8FBF60;   /* 浅竹绿点缀 */
  --accent-lt:  #C3DD9E;   /* 更浅竹绿 */
  --bg:         #f7f6f0;   /* 乳白纸色（官网） */
  --card:       #ffffff;
  --border:     #e2e8d8;   /* 浅绿边 */
  --text:       #3a4332;   /* 柔和墨绿 */
  --text-lt:    #7d8a6a;   /* 柔和灰绿 */
  --danger:     #d9534f;
  --radius:     14px;
  --radius-sm:  10px;
  --shadow:     0 2px 10px rgba(123,162,63,.08);
  --shadow-lg:  0 6px 24px rgba(123,162,63,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);
  line-height:1.6;
  background-image:radial-gradient(circle at 15% 5%,rgba(195,221,158,.12),transparent 40%),
                   radial-gradient(circle at 90% 15%,rgba(143,191,96,.09),transparent 35%);
  background-attachment:fixed;
}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dk)}
img{max-width:100%;vertical-align:middle}

/* ===== 布局容器 ===== */
.wrap{max-width:980px;margin:0 auto;padding:16px}

/* ===== 顶栏 ===== */
.topbar{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow);
}
.topbar-inner{max-width:980px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:18px}
.logo{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:1px}
.logo i{font-style:normal;color:var(--accent-lt)}
.topnav{display:flex;gap:4px;flex:1}
.topnav a{
  padding:6px 12px;border-radius:var(--radius-sm);color:var(--text);
  font-size:14px;font-weight:500;transition:.15s;
}
.topnav a:hover{background:rgba(143,191,96,.10);color:var(--primary)}
.topnav a.active{background:var(--accent);color:#fff}
.topuser{margin-left:auto;display:flex;align-items:center;gap:10px}
.topuser-me{display:flex;align-items:center;gap:8px;color:var(--text);font-weight:600;font-size:14px;padding:4px 8px;border-radius:99px;transition:.15s}
.topuser-me:hover{background:rgba(143,191,96,.10);color:var(--primary)}
.topuser-name{line-height:1;white-space:nowrap}
.avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;border:2px solid var(--accent-lt)}
.avatar-ph{display:inline-flex;align-items:center;justify-content:center;background:var(--accent-lt);font-size:16px}

/* ===== 移动端汉堡按钮 & 全屏菜单 ===== */
.menu-btn{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;padding:10px;border:none;background:transparent;cursor:pointer;
  border-radius:10px;flex-shrink:0;
}
.menu-btn span{display:block;height:2px;width:100%;background:var(--primary);border-radius:2px;transition:.2s}
.menu-btn.is-close{font-size:20px;color:var(--primary);align-items:center;justify-content:center;gap:0}
.m-avatar{display:none}
.fullmenu{
  display:none;position:fixed;inset:0;z-index:300;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  flex-direction:column;padding:16px 18px calc(16px + env(safe-area-inset-bottom));
}
.fullmenu.open{display:flex;animation:fadeIn .18s ease}
.noscroll{overflow:hidden;height:100%}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.fullmenu-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.fullmenu-nav{display:flex;flex-direction:column;gap:4px;flex:1;justify-content:center}
.fullmenu-nav a{
  padding:14px 16px;border-radius:var(--radius-sm);font-size:17px;font-weight:600;color:var(--text);
  display:flex;align-items:center;transition:.15s;
}
.fullmenu-nav a:hover{background:rgba(143,191,96,.10);color:var(--primary)}
.fullmenu-nav a.active{background:var(--accent);color:#fff}
.fullmenu-user{display:flex;flex-direction:column;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.fullmenu-me{display:flex;align-items:center;gap:12px;padding:4px 2px;color:var(--text)}
.fullmenu-name{font-weight:700;font-size:16px;color:var(--text)}
.fullmenu-sub{font-size:12px;color:var(--text-lt)}
.btn-block{width:100%;justify-content:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:4px;
  border:1px solid transparent;cursor:pointer;font-size:13px;font-weight:600;font-family:inherit;
  padding:6px 14px;border-radius:99px;transition:.15s;
  white-space:nowrap;line-height:1.4;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dk);color:#fff}
.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}
.btn-ghost:hover{background:rgba(123,162,63,.08)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#b23b37;color:#fff}
/* 行内操作小按钮：编辑/删除/分页等，比普通按钮更紧凑 */
.btn-sm{padding:4px 10px;font-size:12px}

/* ===== 系统 Toast 通知 ===== */
.toast-wrap{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  z-index:900;display:flex;flex-direction:column;gap:8px;align-items:center;
  pointer-events:none;width:auto;max-width:92vw;
}
.toast{
  background:#fff;color:var(--text);border-radius:12px;
  box-shadow:var(--shadow-lg);padding:10px 18px;font-size:14px;font-weight:500;
  display:flex;align-items:center;gap:8px;
  opacity:0;transform:translateY(-8px);transition:all .25s ease;
  border:1px solid var(--border);pointer-events:auto;
}
.toast.show{opacity:1;transform:translateY(0)}
.toast-icon{font-size:16px;line-height:1}
.toast.success .toast-icon{color:var(--primary)}
.toast.error .toast-icon{color:var(--danger)}
.toast.info .toast-icon{color:var(--accent)}

/* ===== 卡片 ===== */
.card{
  background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);border:1px solid var(--border);
  padding:20px;margin-bottom:16px;
}
/* ===== 后台管理通用控件 ===== */
.field-input{
  width:100%;padding:8px 12px;font-size:13px;
  border:1px solid var(--border);border-radius:10px;background:var(--bg);
  color:var(--text);transition:.15s;outline:none;
}
.field-input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(143,191,96,.12)}
.admin select,.admin form select{width:auto;padding:8px 12px;font-size:13px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text)}
.avatar-drop{border:2px dashed var(--accent);border-radius:12px;padding:28px 16px;text-align:center;cursor:pointer;transition:.15s;background:var(--bg)}
.avatar-drop:hover,.avatar-drop.drag{border-color:var(--primary);background:rgba(143,191,96,.1)}
.avatar-drop-icon{font-size:26px;color:var(--accent)}
.avatar-drop-text{margin-top:4px;font-size:14px;color:var(--text)}
.avatar-drop-hint{margin-top:2px;font-size:12px;color:var(--text-lt)}

/* ===== 搜索框 ===== */
.search-form{display:flex;gap:8px;align-items:center}
.search-input{
  flex:1;min-width:0;padding:6px 14px;font-size:13px;
  border:1px solid var(--border);border-radius:99px;background:var(--bg);
  transition:.15s;outline:none;
}
.search-input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(143,191,96,.15)}

/* ===== 公告栏 ===== */
.announce-bar{background:linear-gradient(90deg,rgba(143,191,96,.08),rgba(195,221,158,.05))}
.announce-tag{flex-shrink:0;font-size:12px;font-weight:700;color:#fff;background:var(--primary);border-radius:99px;padding:3px 12px}
.announce-viewport{flex:1;min-width:0;overflow:hidden;position:relative;height:26px}
.announce-track{position:absolute;inset:0}
.announce-item{position:absolute;top:0;left:0;width:100%;font-size:14px;line-height:26px;color:var(--text);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:transform .4s ease}
.announce-item:hover{color:var(--primary)}
.announce-close{border:none;background:none;color:var(--text-lt);font-size:14px;cursor:pointer;flex-shrink:0;padding:2px 6px;border-radius:6px}
.announce-close:hover{background:rgba(0,0,0,.06)}
.announce-modal{display:none;position:fixed;inset:0;z-index:400;background:rgba(0,0,0,.45);align-items:center;justify-content:center;padding:16px}
.announce-modal.open{display:flex}
.announce-modal-box{background:#fff;border-radius:16px;padding:20px;width:100%;max-width:480px;box-shadow:var(--shadow-lg)}
.announce-modal-head{display:flex;align-items:center;justify-content:space-between;font-size:16px;font-weight:700;color:var(--primary-dk);margin-bottom:12px}
.announce-modal-close{border:none;background:none;font-size:18px;color:var(--text-lt);cursor:pointer}
.announce-modal-body{font-size:14px;color:var(--text);line-height:1.8;max-height:60vh;overflow-y:auto}

/* ===== 轮播图 ===== */
.banner-wrap{margin-bottom:16px}
.banner-track{display:flex;transition:transform .45s ease;will-change:transform}
.banner-slide{flex:0 0 100%;width:100%}
.banner-slide img{width:100%;height:200px;object-fit:cover;display:block}
.banner-dots{position:absolute;bottom:10px;left:0;right:0;display:flex;justify-content:center;gap:6px}
.banner-wrap{position:relative}
.banner-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:.2s}
.banner-dot.on{background:#fff;transform:scale(1.25)}
@media (max-width:720px){.banner-slide img{height:140px}}

.card-title{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--primary-dk)}
.card-title::before{content:"";display:inline-block;width:4px;height:16px;background:var(--accent);border-radius:2px;margin-right:8px;vertical-align:-2px}

/* ===== 表单（登录/注册） ===== */
.auth{
  max-width:420px;margin:8vh auto 0;padding:0 16px;
}
.auth .card{box-shadow:var(--shadow-lg);border-radius:calc(var(--radius) + 4px)}
.auth h1{font-size:24px;font-weight:800;text-align:center;margin-bottom:4px;color:var(--primary-dk)}
.auth .sub{text-align:center;color:var(--text-lt);font-size:13px;margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;font-size:14px;
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--bg);color:var(--text);transition:.15s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;
  box-shadow:0 0 0 3px rgba(143,191,96,.15);
}
.field textarea{min-height:120px;resize:vertical}
.auth .btn{width:100%;justify-content:center}
.auth-foot{text-align:center;font-size:13px;color:var(--text-lt);margin-top:14px}
.alert{
  padding:11px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:14px;
}
.alert-error{background:#fdecea;color:#a02822;border:1px solid #f5c6c3}
.alert-success{background:#e8f7ee;color:#1e6b3c;border:1px solid #bfe6cd}
.alert-info{background:#eef6fb;color:#245a74;border:1px solid #c6e2f2}

/* ===== 帖子列表（前台） ===== */
.forum-row{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;background:#fff;border-bottom:1px solid var(--border);
  transition:.15s;
}
.forum-row:hover{background:rgba(143,191,96,.05)}
.forum-row:last-child{border-radius:0 0 var(--radius) var(--radius)}
.f-icon{font-size:26px;width:46px;height:46px;border-radius:50%;background:rgba(143,191,96,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}
.f-icon .forum-icon-img,.f-icon .forum-icon-emoji{width:100%;height:100%;object-fit:cover;display:flex;align-items:center;justify-content:center}
.forum-icon-img.admin-icon,.forum-icon-emoji.admin-icon{width:24px;height:24px;border-radius:6px;object-fit:cover;display:inline-flex;align-items:center;justify-content:center;vertical-align:-4px;margin-right:4px}
.f-name{font-size:15px;font-weight:700}
.f-desc{font-size:13px;color:var(--text-lt)}
.f-meta{margin-left:auto;text-align:right;flex-shrink:0}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:600}
.badge-admin{background:#fff3e0;color:#e65100}
.badge-mod{background:#e8f7ee;color:#1e6b3c}
.badge-verified{background:#e3f2fd;color:#1565c0}
.verified-badge{width:22px;height:22px;padding:0;border:none;background:rgba(33,150,243,.14);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;vertical-align:-4px;flex-shrink:0;transition:.2s}
.verified-badge img{width:14px;height:14px;object-fit:contain}
.verified-badge:hover{background:rgba(33,150,243,.28);transform:scale(1.12)}
.pill{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;background:rgba(143,191,96,.12);color:var(--primary)}
.tag{display:inline-block;padding:3px 12px;border-radius:99px;font-size:12px;font-weight:600;background:var(--accent);color:#fff;cursor:pointer}

/* ===== 个人主页 ===== */
.profile-hero{position:relative}
.profile-hero-inner{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
/* 亚克力玻璃胶囊菜单：独立一栏，左帖子 右评论 */
.profile-tabs{
  display:flex;gap:3px;margin:14px 0;padding:3px;border-radius:99px;width:fit-content;
  background:rgba(255,255,255,.55);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.6);box-shadow:0 4px 20px rgba(123,162,63,.10);
}
.profile-tab{
  flex:1;display:flex;align-items:center;justify-content:center;
  padding:5px 16px;border-radius:99px;color:var(--text);font-size:12px;font-weight:600;
  transition:.18s;white-space:nowrap;
}
.profile-tab:hover{background:rgba(143,191,96,.12);color:var(--primary)}
.profile-tab.active{background:rgba(255,255,255,.9);color:var(--primary);box-shadow:0 2px 8px rgba(123,162,63,.15)}
@media (max-width:480px){
  .profile-tabs{width:100%}
  .profile-tab{padding:5px 12px}
}

/* ===== 页脚 ===== */
.footer{text-align:center;color:var(--text-lt);font-size:12px;padding:26px 16px 34px}

/* ===== 网格（三端自适应基础） ===== */
.grid{display:grid;gap:16px}
.grid-c2{grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr))}

/* ===== 字数统计 ===== */
.counter{font-size:12px;color:var(--text-lt);font-weight:500}
.counter-abs{position:absolute;right:10px;bottom:8px;background:rgba(255,255,255,.85);padding:1px 6px;border-radius:6px;pointer-events:none}
.counter.warn{color:var(--danger)}

/* ===== 后台表格 ===== */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;font-size:14px}
.table th,.table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border)}
.table th{background:#eef7ef;font-size:13px;font-weight:700;color:var(--primary-dk)}
.table tr:hover td{background:rgba(143,191,96,.04)}

/* ===== 面包屑 & 页头 ===== */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.page-title{font-size:22px;font-weight:800;color:var(--primary-dk)}
.crumb{font-size:13px;color:var(--text-lt);margin-bottom:12px}
.crumb a{color:var(--text-lt)}

/* ===== 响应式 ===== */
@media (max-width:720px){
  .topbar-inner{flex-wrap:nowrap;gap:10px;padding:10px 12px}
  /* 桌面导航与右上角用户区收进全屏菜单 */
  .topnav{display:none}
  .topuser{display:none}
  /* 左侧头像、右侧汉堡、中间站点名居中 */
  .m-avatar{display:inline-flex;align-items:center;flex-shrink:0}
  .menu-btn{display:flex}
  .logo{flex:1;text-align:center;font-size:18px}
  .wrap{padding:10px}
  .forum-row .f-meta{display:none}
  .forum-row{flex-wrap:wrap}
  .forum-row .f-desc{width:100%}
  .auth{margin-top:5vh}
}
@media (max-width:1080px){
  .wrap{max-width:100%}
}
/* ===== Ant Design 风格步骤条（Steps） ===== */
.steps{display:flex;margin-bottom:18px}
.step{flex:1;display:flex;flex-direction:column;align-items:center;position:relative}
.step::before{content:'';position:absolute;top:14px;left:-50%;width:100%;height:2px;background:var(--border);z-index:0;transition:background .2s}
.step:first-child::before{display:none}
.step-dot{width:28px;height:28px;border-radius:50%;background:var(--bg);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--text-lt);z-index:1;transition:.2s}
.step.done .step-dot{background:var(--primary);border-color:var(--primary);color:#fff}
.step.done::before{background:var(--primary)}
.step.active .step-dot{background:var(--accent);border-color:var(--accent);color:#fff}
.step.active::before{background:var(--accent)}
.step-label{font-size:12px;color:var(--text-lt);margin-top:6px;font-weight:500;text-align:center}
.step.active .step-label{color:var(--primary);font-weight:600}
.step.done .step-label{color:var(--primary)}

/* ===== 第三方登录渠道图标 ===== */
.oauth-ico{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;flex-shrink:0;overflow:hidden;vertical-align:middle}
.oauth-ico-letter{color:#fff;font-weight:700;font-family:-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;line-height:1}
.oauth-ico-img{object-fit:contain;padding:5px;background:#fff;border:1px solid var(--border);box-sizing:border-box}