/* ============================================================
   index.css — 首页专属样式
   ============================================================ */

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, #0f3d1a 0%, #166534 40%, #1d4ed8 100%);
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 60px 5%;
  gap: 60px;
  overflow: hidden;
  position: relative;
  margin-bottom: 0;
}
.hero::before {
  content:'';
  position:absolute;
  top:-120px; right:-120px;
  width:480px; height:480px;
  background:rgba(255,255,255,.04);
  border-radius:50%;
}
.hero-content { flex:1; max-width:560px; position:relative; z-index:1; }
.hero-badge {
  display:inline-block;
  background:rgba(255,255,255,.15);
  color:rgba(255,255,255,.9);
  font-size:13px;
  padding:6px 16px;
  border-radius:20px;
  margin-bottom:20px;
  backdrop-filter:blur(4px);
}
.hero-content h1 {
  font-size:42px;
  font-weight:900;
  color:#fff;
  line-height:1.25;
  margin-bottom:16px;
}
.hero-content h1 em {
  font-style:normal;
  color:#86efac;
}
.hero-content p {
  font-size:16px;
  color:rgba(255,255,255,.8);
  line-height:1.8;
  margin-bottom:28px;
}
.hero-btns { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px; }
.btn-hero-primary {
  background:#22c55e;
  color:#fff;
  padding:13px 28px;
  border-radius:10px;
  font-weight:700;
  font-size:15px;
  transition:.2s;
  box-shadow:0 4px 20px rgba(34,197,94,.35);
}
.btn-hero-primary:hover { background:#16a34a; transform:translateY(-2px); }
.btn-hero-outline {
  border:2px solid rgba(255,255,255,.5);
  color:#fff;
  padding:11px 26px;
  border-radius:10px;
  font-weight:600;
  font-size:15px;
  transition:.2s;
}
.btn-hero-outline:hover { background:rgba(255,255,255,.12); }

.hero-stats {
  display:flex;
  align-items:center;
  gap:24px;
}
.stat { display:flex; flex-direction:column; }
.stat strong { font-size:22px; font-weight:800; color:#fff; }
.stat span { font-size:12px; color:rgba(255,255,255,.6); }
.stat-divider { width:1px; height:32px; background:rgba(255,255,255,.2); }

/* Hero visual */
.hero-visual {
  flex-shrink:0;
  position:relative;
  width:320px;
  height:320px;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* Hero section 小升初规划指南 - 底部banner */
.hero-featured-wrapper {
  width: 100%;
  padding: 0 5%;
  margin-top: 40px;
  padding-bottom: 20px;
}

.hero-featured-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  background: linear-gradient(135deg, #1d4ed8 0%, #0891b2 100%);
  border-radius: 14px;
  padding: 24px 28px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(29, 78, 216, 0.15);
  backdrop-filter: blur(10px);
}

.hero-featured-banner:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(29, 78, 216, 0.25);
  background: linear-gradient(135deg, #1e40af 0%, #0e7490 100%);
}

.hfb-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  font-size: 22px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hfb-content {
  flex: 1;
  color: #fff;
  text-align: left;
  min-width: 0;
}

.hfb-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px 0;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hfb-desc {
  font-size: 12px;
  margin: 0;
  opacity: 0.85;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hfb-arrow {
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  opacity: 0.9;
  transition: all 0.2s ease;
  flex-shrink: 0;
  white-space: nowrap;
}

.hero-featured-banner:hover .hfb-arrow {
  opacity: 1;
  transform: translateX(3px);
}

@media(max-width: 768px) {
  .hero-featured-wrapper {
    padding: 0 5%;
    margin-top: 28px;
    padding-bottom: 16px;
  }
  
  .hero-featured-banner {
    flex-direction: column;
    text-align: center;
    gap: 14px;
    padding: 20px 20px;
  }
  
  .hfb-content {
    text-align: center;
  }
  
  .hfb-title {
    font-size: 14px;
    white-space: normal;
  }
  
  .hfb-desc {
    font-size: 11px;
    -webkit-line-clamp: 1;
  }
}

@media(max-width: 480px) {
  .hero-featured-wrapper {
    margin-top: 20px;
    padding-bottom: 0;
  }
  
  .hero-featured-banner {
    padding: 16px 14px;
    gap: 10px;
  }
  
  .hfb-badge {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }
  
  .hfb-title {
    font-size: 13px;
  }
  
  .hfb-desc {
    font-size: 10px;
  }
  
  .hfb-arrow {
    font-size: 12px;
  }
}

.hero-tree {
  font-size:120px;
  position:absolute;
  top:50%; left:50%;
  transform:translate(-50%,-50%);
  opacity:.15;
  line-height:1;
}
.hero-card { position:absolute; }
.card-float-1 { top:0; left:0; animation:float 3s ease-in-out infinite; }
.card-float-2 { top:50%; right:0; animation:float 3s ease-in-out infinite .8s; }
.card-float-3 { bottom:0; left:10%; animation:float 3s ease-in-out infinite 1.6s; }
.card-float-4 { bottom:20px; right:15%; animation:float 3s ease-in-out infinite 2.4s; text-decoration:none; display:block; }
@keyframes float {
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-8px); }
}
.mini-card {
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);
  border-radius:12px;
  padding:10px 14px;
  display:flex;
  align-items:center;
  gap:10px;
  box-shadow:0 8px 24px rgba(0,0,0,.15);
  min-width:180px;
}
.mc-icon { font-size:22px; flex-shrink:0; }
.mini-card div { flex:1; }
.mini-card strong { display:block; font-size:13px; color:#1f2937; }
.mini-card small { font-size:11px; color:#9ca3af; }
.mc-badge {
  font-size:11px;
  font-weight:700;
  padding:3px 8px;
  border-radius:20px;
  white-space:nowrap;
}
.mc-badge.green { background:#dcfce7; color:#15803d; }
.mc-badge.orange { background:#fff7ed; color:#ea580c; }
.mc-badge.blue { background:#dbeafe; color:#1d4ed8; }

/* ---- Features ---- */
.features-section {
  padding: 72px 0 56px;
  background: #fff;
}
.features-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.feature-card {
  background:#fff;
  border:1.5px solid var(--gray-200);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  transition:.25s;
  display:flex;
  flex-direction:column;
  gap:10px;
  position:relative;
  overflow:hidden;
}
.feature-card:hover {
  border-color:var(--green);
  box-shadow:0 8px 28px rgba(34,197,94,.12);
  transform:translateY(-3px);
}
.fc-icon {
  width:52px; height:52px;
  border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  font-size:24px;
}
.feature-card h3 { font-size:17px; font-weight:700; color:var(--gray-800); }
.feature-card p { font-size:13px; color:var(--gray-600); line-height:1.7; }
.fc-arrow {
  font-size:18px;
  color:var(--green);
  margin-top:auto;
  transition:.2s;
}
.feature-card:hover .fc-arrow { transform:translateX(4px); }

/* ---- Main layout ---- */
.main-section { padding:48px 0 60px; }
.main-layout {
  display:grid;
  grid-template-columns:1fr 320px;
  gap:28px;
}
.main-content { display:flex; flex-direction:column; gap:24px; }

/* Content block */
.content-block {
  background:#fff;
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--gray-200);
}
.block-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:20px;
}
.block-header h3 { font-size:18px; font-weight:700; }
.view-all { font-size:13px; color:var(--green-dark); font-weight:600; }
.view-all:hover { text-decoration:underline; }

/* Post list */
.post-list { display:flex; flex-direction:column; gap:0; }
.post-item {
  display:flex;
  gap:12px;
  padding:16px 0;
  border-bottom:1px solid var(--gray-100);
  cursor:pointer;
  transition:.2s;
}
.post-item:last-child { border-bottom:none; padding-bottom:0; }
.post-item:hover { background:var(--gray-50); margin:0 -8px; padding:16px 8px; border-radius:8px; }
.post-main { flex:1; }
.post-main h4 {
  font-size:15px;
  font-weight:600;
  color:var(--gray-800);
  margin-bottom:6px;
  line-height:1.4;
}
.post-main p {
  font-size:13px;
  color:var(--gray-400);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.post-meta {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  color:var(--gray-400);
}

/* Resource grid */
.resource-grid { display:flex; flex-direction:column; gap:10px; }
.resource-card {
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 14px;
  background:var(--gray-50);
  border-radius:10px;
  cursor:pointer;
  transition:.2s;
  border:1px solid var(--gray-100);
}
.resource-card:hover { background:var(--green-light); border-color:var(--green); }
.rc-icon {
  width:42px; height:42px;
  border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:800;
  flex-shrink:0;
}
.rc-icon.pdf { background:#fee2e2; color:#dc2626; }
.rc-icon.doc { background:#dbeafe; color:#1d4ed8; }
.rc-icon.zip { background:#fef3c7; color:#d97706; }
.rc-info { flex:1; }
.rc-info h5 { font-size:14px; font-weight:600; color:var(--gray-800); margin-bottom:3px; }
.rc-info small { font-size:12px; color:var(--gray-400); }
.rc-dl { font-size:12px; color:var(--gray-400); white-space:nowrap; }

/* ---- Sidebar ---- */
.sidebar { display:flex; flex-direction:column; gap:20px; }
.sidebar-block {
  background:#fff;
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow-sm);
  border:1px solid var(--gray-200);
}
.sidebar-block h4 { font-size:15px; font-weight:700; margin-bottom:14px; }

.tool-shortcuts {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
}
.shortcut-btn {
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  background:var(--gray-50);
  border-radius:10px;
  font-size:13px;
  font-weight:600;
  color:var(--gray-600);
  transition:.2s;
  border:1px solid var(--gray-100);
}
.shortcut-btn:hover { background:var(--green-light); color:var(--green-dark); border-color:var(--green); }
.shortcut-btn span { font-size:18px; }

.tag-cloud { display:flex; flex-wrap:wrap; gap:10px; }
.tag-item {
  font-size:13px;
  font-weight:700;
  padding:7px 15px;
  border-radius:22px;
  transition:.2s;
  text-decoration:none;
  box-shadow:0 2px 6px rgba(0,0,0,.08);
  letter-spacing:.3px;
}
.tag-item:nth-child(8n+1){ background:#fef3c7; color:#92400e; border:2px solid #f59e0b; }
.tag-item:nth-child(8n+2){ background:#dbeafe; color:#1e40af; border:2px solid #3b82f6; }
.tag-item:nth-child(8n+3){ background:#d1fae5; color:#065f46; border:2px solid #10b981; }
.tag-item:nth-child(8n+4){ background:#ede9fe; color:#5b21b6; border:2px solid #8b5cf6; }
.tag-item:nth-child(8n+5){ background:#fce7f3; color:#9d174d; border:2px solid #ec4899; }
.tag-item:nth-child(8n+6){ background:#e0f2fe; color:#075985; border:2px solid #0ea5e9; }
.tag-item:nth-child(8n+7){ background:#f3f4f6; color:#374151; border:2px solid #6b7280; }
.tag-item:nth-child(8n+8){ background:#fff7ed; color:#9a3412; border:2px solid #f97316; }
.tag-item:hover { transform:translateY(-3px) scale(1.05); box-shadow:0 6px 16px rgba(0,0,0,.15); filter:brightness(1.08); }

.active-users { display:flex; flex-direction:column; gap:12px; }
.au-item { display:flex; align-items:center; gap:10px; }
.au-item div { display:flex; flex-direction:column; }
.au-item strong { font-size:13px; }
.au-item small { font-size:11px; color:var(--gray-400); }

.sidebar-join {
  background:linear-gradient(135deg,var(--green-dark),#166534);
  border-radius:var(--radius-lg);
  padding:24px 20px;
  text-align:center;
  color:#fff;
}
.join-icon { font-size:36px; margin-bottom:10px; }
.sidebar-join h4 { font-size:16px; font-weight:700; margin-bottom:8px; }
.sidebar-join p { font-size:13px; color:rgba(255,255,255,.8); margin-bottom:16px; line-height:1.6; }
.sidebar-join .btn-primary { background:#fff; color:var(--green-dark); }
.sidebar-join .btn-primary:hover { background:#f0fdf4; }

/* Responsive */
@media(max-width:900px) {
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .main-layout { grid-template-columns:1fr; }
  .sidebar { order:-1; }
  .tool-shortcuts { grid-template-columns:repeat(4,1fr); }
  .features-section { padding:48px 0 36px; }
}
@media(max-width:640px) {
  .hero { flex-direction:column; min-height:auto; padding:36px 5% 40px; gap:32px; }
  .hero-visual { display:none; }
  .hero-content h1 { font-size:28px; }
  .hero-content p { font-size:14px; }
  .hero-stats { gap:14px; flex-wrap:wrap; }
  .stat strong { font-size:18px; }
  .stat span { font-size:11px; }
  .stat-divider { display:none; }
  .features-grid { grid-template-columns:1fr 1fr; gap:12px; }
  .feature-card { padding:18px 14px; }
  .feature-card h3 { font-size:14px; }
  .feature-card p { display:none; }
  .tool-shortcuts { grid-template-columns:repeat(2,1fr); }
  .features-section { padding:36px 0 28px; }
  .main-section { padding:24px 0 40px; }
  .content-block { padding:16px; }
  .block-header h3 { font-size:16px; }
  .shortcut-btn { padding:8px 10px; font-size:12px; min-height:44px; }
}
@media(max-width:480px) {
  .hero { padding:28px 4% 36px; }
  .hero-content h1 { font-size:24px; }
  .btn-hero-primary, .btn-hero-outline { width:100%; text-align:center; padding:13px 20px; min-height:44px; }
  .hero-btns { flex-direction:column; gap:10px; }
  .features-grid { grid-template-columns:1fr 1fr; gap:10px; }
  .post-meta { flex-wrap:wrap; gap:6px; }
  .post-item { padding:12px 0; gap:8px; }
  .post-main h4 { font-size:14px; }
}

/* ---- 访客 IP 记录 ---- */
.visitor-log-section {
  background: #f8fafc;
  border-top: 1px solid #e5e7eb;
  padding: 36px 0 40px;
}
.visitor-log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.visitor-log-header h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
}
.visitor-total {
  font-size: 13px;
  color: var(--gray-500);
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  padding: 4px 14px;
}
.visitor-total strong {
  color: var(--green-dark);
  font-weight: 700;
}
.visitor-ip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}
.visitor-ip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  transition: box-shadow .2s;
}
.visitor-ip-item:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  border-color: #bbf7d0;
}
.ip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(34,197,94,.2);
}
.ip-addr {
  flex: 1;
  font-family: 'SFMono-Regular', Consolas, monospace;
  color: var(--gray-700);
  font-size: 12px;
  word-break: break-all;
}
.ip-time {
  font-size: 11px;
  color: var(--gray-400);
  white-space: nowrap;
}
.visitor-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 30px;
  color: var(--gray-400);
  font-size: 14px;
}
@media(max-width:640px) {
  .visitor-ip-grid { grid-template-columns: repeat(2, 1fr); }
  .visitor-log-header { flex-direction: column; align-items: flex-start; gap: 8px; }
}