/*
Theme Name: AccountHub
Theme URI: https://yoursite.com
Author: Your Name
Description: 海外账号批发商城 + 教程资讯站 WordPress 主题
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: accounthub
*/

:root {
  --color-primary:       #4F46E5;
  --color-primary-hover: #4338CA;
  --color-primary-light: #6366F1;
  --color-secondary:     #06B6D4;
  --color-accent:        #10B981;
  --color-warning:       #F59E0B;
  --color-danger:        #EF4444;
  --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #6366F1 50%, #06B6D4 100%);
  --gradient-hero:    linear-gradient(135deg, #0F172A 0%, #1E1B4B 50%, #0F172A 100%);
  --bg-primary:   #ffffff;
  --bg-secondary: #F8FAFC;
  --bg-tertiary:  #F1F5F9;
  --bg-card:      #ffffff;
  --text-primary:   #0F172A;
  --text-secondary: #475569;
  --text-muted:     #94A3B8;
  --border-color:  #E2E8F0;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(79,70,229,0.10);
  --shadow-lg: 0 8px 32px rgba(79,70,229,0.15);
  --shadow-xl: 0 20px 60px rgba(79,70,229,0.20);
  --transition-fast: all 0.15s ease;
  --transition-base: all 0.25s ease;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --spacing-section: 80px;
  --container-max: 1280px;
  --container-pad: 24px;
}

[data-theme="dark"] {
  --bg-primary:   #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary:  #334155;
  --bg-card:      #1E293B;
  --text-primary:   #F1F5F9;
  --text-secondary: #CBD5E1;
  --text-muted:     #64748B;
  --border-color:   #334155;
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--color-primary-hover); }
ul, ol { list-style: none; }

.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-pad); }
.section { padding: var(--spacing-section) 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 120px 0; }

h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1em; color: var(--text-secondary); }
p:last-child { margin-bottom: 0; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary);
  background: rgba(79,70,229,0.08); padding: 6px 16px; border-radius: var(--radius-full);
  margin-bottom: 16px; border: 1px solid rgba(79,70,229,0.15);
}
.section-title { margin-bottom: 16px; }
.section-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; font-size: 0.95rem; font-weight: 600;
  border-radius: var(--radius-md); border: 2px solid transparent;
  cursor: pointer; transition: var(--transition-base); text-decoration: none;
  white-space: nowrap; line-height: 1; font-family: var(--font-sans);
}
.btn-primary { background: var(--gradient-primary); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: #fff; }
.btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
.btn-white { background: #fff; color: var(--color-primary); box-shadow: var(--shadow-md); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: var(--color-primary); }
.btn-telegram { background: #229ED9; color: #fff; }
.btn-telegram:hover { background: #1a8bbf; transform: translateY(-2px); color: #fff; }
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #20b958; transform: translateY(-2px); color: #fff; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn-block { width: 100%; }

.card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition-base); position: relative; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(79,70,229,0.3); }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--border-color); }

.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-full); line-height: 1; }
.badge-primary { background: rgba(79,70,229,0.1); color: var(--color-primary); border: 1px solid rgba(79,70,229,0.2); }
.badge-success { background: rgba(16,185,129,0.1); color: var(--color-accent); border: 1px solid rgba(16,185,129,0.2); }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--color-warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-danger  { background: rgba(239,68,68,0.1); color: var(--color-danger); border: 1px solid rgba(239,68,68,0.2); }
.badge-hot { background: linear-gradient(135deg,#EF4444,#F59E0B); color: #fff; border: none; }
.badge-new { background: linear-gradient(135deg,#10B981,#06B6D4); color: #fff; border: none; }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 0.85rem; color: var(--text-muted); padding: 16px 0; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { opacity: 0.5; }

.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; }
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 12px 16px; font-size: 0.95rem; font-family: var(--font-sans);
  color: var(--text-primary); background: var(--bg-primary);
  border: 1.5px solid var(--border-color); border-radius: var(--radius-md);
  transition: var(--transition-fast); outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
}
.form-textarea { resize: vertical; min-height: 120px; }

#reading-progress { position: fixed; top: 0; left: 0; width: 0%; height: 3px; background: var(--gradient-primary); z-index: 9999; transition: width 0.1s linear; }

.floating-contacts { position: fixed; right: 20px; bottom: 80px; z-index: 1000; display: flex; flex-direction: column; gap: 12px; }
.floating-btn { width: 52px; height: 52px; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); transition: var(--transition-base); cursor: pointer; border: none; text-decoration: none; }
.floating-btn:hover { transform: scale(1.12); }
.floating-btn-tg  { background: #229ED9; }
.floating-btn-wa  { background: #25D366; }
.floating-btn-top { background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-secondary); }
.floating-btn svg { width: 22px; height: 22px; }

#theme-toggle { width: 40px; height: 40px; border: 1.5px solid var(--border-color); border-radius: var(--radius-full); background: var(--bg-card); color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: var(--transition-base); }
#theme-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }

.text-center { text-align: center; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.mb-4 { margin-bottom: 16px; }
.mb-8 { margin-bottom: 32px; }
.mt-8 { margin-top: 32px; }

.lazy-img { opacity: 0; transition: opacity 0.4s ease; }
.lazy-img.loaded { opacity: 1; }

.skeleton { background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%); background-size: 200% 100%; animation: skeleton-loading 1.5s infinite; border-radius: var(--radius-sm); }
@keyframes skeleton-loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.pagination { display: flex; justify-content: center; margin-top: 48px; }
.pagination-list { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.pagination-list li a, .pagination-list li span {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-md);
  font-size: 0.9rem; font-weight: 600; border: 1.5px solid var(--border-color);
  background: var(--bg-card); color: var(--text-secondary); transition: var(--transition-fast);
}
.pagination-list li a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination-list li span.current { background: var(--gradient-primary); color: #fff; border-color: transparent; }

@media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2,1fr); } .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  :root { --container-pad: 16px; --spacing-section: 56px; }
  .hide-mobile { display: none !important; }
  .floating-contacts { right: 12px; bottom: 60px; }
  .floating-btn { width: 46px; height: 46px; }
}
@media (min-width: 641px) { .hide-desktop { display: none !important; } }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }