/* =====================================================
   earchshop.com 全球店 — 全局设计系统
   深色科技感 | 金橙主色 | 极简专业
   ===================================================== */

/* ---------- 1. CSS 变量 ---------- */
:root {
  --primary:      #F5A623;
  --primary-dark: #D4891A;
  --primary-light:#FFCC70;
  --accent:       #00D47E;
  --accent-dark:  #009E5D;
  --danger:       #FF4646;
  --warning:      #F5A623;
  --info:         #1E90FF;

  --bg-base:      #0A0E1A;
  --bg-card:      #111828;
  --bg-card2:     #151E30;
  --bg-hover:     #1C2538;
  --bg-input:     #0D1426;
  --bg-overlay:   rgba(10,14,26,0.92);

  --border:       rgba(255,255,255,0.07);
  --border-light: rgba(255,255,255,0.12);
  --border-gold:  rgba(245,166,35,0.3);

  --text-primary:  #F0F4FF;
  --text-secondary:#8A9EC0;
  --text-muted:    #4A5C78;
  --text-link:     #F5A623;

  --nav-h:        64px;
  --radius:       12px;
  --radius-lg:    18px;
  --radius-full:  9999px;

  --shadow-sm:    0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:    0 6px 24px rgba(0,0,0,0.4);
  --shadow-lg:    0 16px 48px rgba(0,0,0,0.5);
  --shadow-gold:  0 0 24px rgba(245,166,35,0.2);
  --shadow-green: 0 0 24px rgba(0,212,126,0.2);

  --transition:   0.22s ease;
  --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--text-link); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ---------- 3. 布局 ---------- */
.container      { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 32px; }
.page-main      { padding-top: var(--nav-h); }

.section        { padding: 72px 0; }
.section-sm     { padding: 48px 0; }
.section-lg     { padding: 96px 0; }

.grid-2  { display: grid; grid-template-columns: repeat(2,1fr);  gap: 24px; }
.grid-3  { display: grid; grid-template-columns: repeat(3,1fr);  gap: 24px; }
.grid-4  { display: grid; grid-template-columns: repeat(4,1fr);  gap: 20px; }
.flex    { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-gap { gap: 12px; }
.text-center { text-align: center; }

/* ---------- 4. 导航栏 ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  background: rgba(10,14,26,0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(10,14,26,0.96);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}

/* 品牌 */
.navbar-brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--text-primary) !important;
  font-weight: 800;
  flex-shrink: 0;
}
.brand-logo {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 900; color: #fff;
  box-shadow: var(--shadow-gold);
}
.brand-name {
  display: flex; flex-direction: column; line-height: 1.1;
}
.brand-name span:first-child {
  font-size: 16px; font-weight: 800; color: var(--primary); letter-spacing: -0.3px;
}
.brand-name span:last-child {
  font-size: 11px; font-weight: 500; color: var(--text-secondary); letter-spacing: 2px;
}

/* 导航链接 */
.navbar-nav {
  display: flex; align-items: center; gap: 4px;
  list-style: none;
}
.navbar-nav a {
  display: block; padding: 6px 14px;
  font-size: 14px; font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--primary);
  background: rgba(245,166,35,0.1);
}

/* 右侧操作 */
.navbar-right { display: flex; align-items: center; gap: 10px; }

.lang-switch {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 12px; font-weight: 600;
  transition: all var(--transition);
  background: transparent;
}
.lang-switch:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-nav-login {
  padding: 7px 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 13px; font-weight: 600;
  transition: all var(--transition);
}
.btn-nav-login:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(245,166,35,0.08);
}

.btn-nav-join {
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 13px; font-weight: 700;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(245,166,35,0.35);
}
.btn-nav-join:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(245,166,35,0.5);
  color: #fff;
}

.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: 8px;
  width: 40px; cursor: pointer;
}
.menu-toggle span {
  display: block; height: 2px; background: var(--text-secondary);
  border-radius: 2px; transition: all 0.3s ease;
}

/* 手机端菜单 */
.mobile-menu {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0; z-index: 999;
  background: rgba(10,14,26,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column; gap: 4px;
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}
.mobile-menu.active {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mobile-menu a {
  display: block; padding: 12px 16px;
  font-size: 15px; font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all var(--transition);
}
.mobile-menu a:hover, .mobile-menu a.active {
  color: var(--primary); background: rgba(245,166,35,0.08);
  border-color: var(--border-gold);
}
.mobile-actions { display: flex; gap: 12px; padding: 12px 16px 0; }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 14px; font-weight: 700;
  transition: all var(--transition);
  cursor: pointer;
  border: none; white-space: nowrap;
}
.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-xl { padding: 18px 44px; font-size: 16px; letter-spacing: 0.3px; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(245,166,35,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(245,166,35,0.5);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(245,166,35,0.06);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,212,126,0.35);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,212,126,0.5);
  color: #fff;
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.09);
  color: var(--text-primary);
}

/* ---------- 6. 卡片 ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--border-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}
.card-body    { padding: 24px; }
.card-header  { padding: 20px 24px; border-bottom: 1px solid var(--border); }
.card-footer  { padding: 16px 24px; border-top: 1px solid var(--border); }

/* ---------- 7. 标题区块 ---------- */
.section-header { margin-bottom: 48px; text-align: center; }
.section-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(245,166,35,0.12);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  font-size: 12px; font-weight: 700;
  color: var(--primary); letter-spacing: 1px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900; line-height: 1.15;
  background: linear-gradient(135deg, var(--text-primary) 60%, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 15px; color: var(--text-secondary);
  max-width: 540px; margin: 0 auto;
  line-height: 1.7;
}
.section-title-left { text-align: left; }
.section-title-left .section-subtitle { margin: 0; }

/* ---------- 8. 表单元素 ---------- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; margin-bottom: 7px;
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  letter-spacing: 0.3px;
}
.form-control {
  width: 100%; padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font); font-size: 14px;
  transition: all var(--transition);
  outline: none;
  appearance: none;
}
.form-control:focus {
  border-color: var(--primary);
  background: rgba(245,166,35,0.04);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A9EC0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
textarea.form-control { resize: vertical; min-height: 100px; }

/* 搜索框 */
.search-box {
  position: relative; display: flex; align-items: center;
}
.search-box input {
  width: 100%; padding: 13px 56px 13px 18px;
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-primary); font-size: 14px;
  outline: none; transition: all var(--transition);
}
.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}
.search-box-btn {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  color: #fff; border: none; cursor: pointer;
  transition: all var(--transition);
}
.search-box-btn:hover { box-shadow: 0 0 12px rgba(245,166,35,0.5); transform: translateY(-50%) scale(1.05); }

/* ---------- 9. 标签/徽章 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.badge-primary { background: rgba(245,166,35,0.15); color: var(--primary); border: 1px solid rgba(245,166,35,0.3); }
.badge-accent  { background: rgba(0,212,126,0.12); color: var(--accent); border: 1px solid rgba(0,212,126,0.25); }
.badge-info    { background: rgba(30,144,255,0.12); color: var(--info); border: 1px solid rgba(30,144,255,0.25); }
.badge-danger  { background: rgba(255,70,70,0.12); color: var(--danger); border: 1px solid rgba(255,70,70,0.25); }
.badge-muted   { background: rgba(255,255,255,0.06); color: var(--text-muted); border: 1px solid var(--border); }

/* ---------- 10. 分割线与装饰 ---------- */
.divider { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.divider-gold { border-color: var(--border-gold); }

.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  margin: 48px 0;
}

/* 光晕背景 */
.hero-glow-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0;
}
.hero-glow-bg::before, .hero-glow-bg::after {
  content: ''; position: absolute; border-radius: 50%;
  filter: blur(80px);
}
.hero-glow-bg::before {
  width: 500px; height: 500px; top: -100px; right: -100px;
  background: radial-gradient(circle, rgba(245,166,35,0.15) 0%, transparent 70%);
}
.hero-glow-bg::after {
  width: 400px; height: 400px; bottom: -80px; left: -80px;
  background: radial-gradient(circle, rgba(0,212,126,0.1) 0%, transparent 70%);
}

/* ---------- 11. Hero Banner ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--bg-base);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 20%, rgba(245,166,35,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 15% 80%, rgba(0,212,126,0.08) 0%, transparent 60%);
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-content { position: relative; z-index: 1; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: var(--radius-full);
  font-size: 13px; font-weight: 600; color: var(--primary);
  margin-bottom: 24px;
}
.hero-tag .dot {
  width: 6px; height: 6px; background: var(--primary); border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(40px, 6.5vw, 80px);
  font-weight: 900; line-height: 1.05; letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-secondary); line-height: 1.75;
  max-width: 520px; margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats {
  display: flex; gap: 40px; flex-wrap: wrap;
}
.hero-stat-item {
  display: flex; flex-direction: column;
}
.hero-stat-num {
  font-size: 28px; font-weight: 900; color: var(--primary);
  line-height: 1.1;
}
.hero-stat-label {
  font-size: 12px; color: var(--text-muted); font-weight: 500;
  letter-spacing: 0.5px; margin-top: 2px;
}

/* Hero 右侧卡片浮动 */
.hero-visual { position: relative; }
.hero-visual-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
}
.hero-visual-card .label { font-size: 11px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.hero-visual-card .value { font-size: 20px; font-weight: 800; color: var(--accent); margin-top: 2px; }

/* ---------- 12. 统计数字 ---------- */
.stats-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 52px 0;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
.stat-item {
  text-align: center; padding: 24px;
  border-right: 1px solid var(--border);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-size: clamp(32px,4vw,48px);
  font-weight: 900; color: var(--primary);
  line-height: 1; margin-bottom: 8px;
}
.stat-label {
  font-size: 13px; color: var(--text-muted);
  font-weight: 500; letter-spacing: 0.5px;
}

/* ---------- 13. 核心板块入口 ---------- */
.module-card {
  position: relative; overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  cursor: pointer; display: flex; flex-direction: column; gap: 14px;
}
.module-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
}
.module-card:hover { border-color: var(--border-gold); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
.module-card:hover::after { transform: scaleX(1); }

.module-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.module-icon-gold   { background: rgba(245,166,35,0.12); color: var(--primary); }
.module-icon-green  { background: rgba(0,212,126,0.12);  color: var(--accent); }
.module-icon-blue   { background: rgba(30,144,255,0.12); color: var(--info); }
.module-icon-purple { background: rgba(138,43,226,0.12); color: #9B59B6; }

.module-title { font-size: 18px; font-weight: 800; color: var(--text-primary); }
.module-desc  { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }
.module-link  { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; color: var(--primary); margin-top: 4px; }
.module-link svg { transition: transform var(--transition); }
.module-card:hover .module-link svg { transform: translateX(4px); }

/* ---------- 14. 新闻卡片 ---------- */
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.news-card:hover {
  border-color: var(--border-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-gold);
}
.news-card-img {
  width: 100%; aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--bg-card2), var(--bg-hover));
  position: relative; overflow: hidden;
}
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-card-img img { transform: scale(1.04); }
.news-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.news-cat {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; color: var(--primary);
  text-transform: uppercase; letter-spacing: 0.8px;
}
.news-cat::before { content: ''; width: 6px; height: 6px; background: var(--primary); border-radius: 50%; }
.news-title {
  font-size: 15px; font-weight: 700; color: var(--text-primary);
  line-height: 1.45; display: -webkit-box;
  -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.news-meta {
  display: flex; align-items: center; gap: 14px;
  font-size: 12px; color: var(--text-muted); margin-top: auto;
}
.news-meta-item { display: flex; align-items: center; gap: 4px; }

/* 大卡片（首图新闻） */
.news-card-featured {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  min-height: 300px;
}
.news-card-featured .news-card-img { aspect-ratio: unset; min-height: 300px; }

/* ---------- 15. 供求卡片 ---------- */
.supply-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.supply-card::before {
  content: attr(data-type-label);
  position: absolute; top: 14px; right: -24px;
  background: var(--primary); color: #fff;
  font-size: 11px; font-weight: 800;
  padding: 3px 28px;
  transform: rotate(45deg);
  letter-spacing: 0.5px;
}
.supply-card[data-type="demand"]::before { background: var(--accent); }
.supply-card:hover { border-color: var(--border-gold); transform: translateY(-3px); box-shadow: var(--shadow-gold); }

.supply-title   { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.supply-meta    { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.supply-info-row { display: flex; flex-wrap: wrap; gap: 16px; }
.supply-info-item { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 5px; }
.supply-info-item strong { color: var(--text-primary); font-weight: 700; }

/* ---------- 16. 企业卡片 ---------- */
.company-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  display: flex; gap: 16px; align-items: flex-start;
}
.company-card:hover { border-color: var(--border-gold); transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.company-logo {
  width: 52px; height: 52px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--bg-card2), var(--bg-hover));
  border: 1px solid var(--border); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 900; color: var(--primary);
  overflow: hidden;
}
.company-name   { font-size: 15px; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.company-tags   { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

/* ---------- 17. 优势特性 ---------- */
.feature-item {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 24px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.feature-item:hover { border-color: var(--border-gold); }
.feature-icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.feature-title { font-size: 15px; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.feature-desc  { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }

/* ---------- 18. 步骤流程 ---------- */
.step-list { display: flex; gap: 0; position: relative; }
.step-list::before {
  content: '';
  position: absolute; top: 24px; left: calc(50% / 4); right: calc(50% / 4);
  height: 1px; background: linear-gradient(90deg, var(--primary), var(--primary-dark), var(--primary));
  z-index: 0;
}
.step-item {
  flex: 1; text-align: center; padding: 0 16px; position: relative; z-index: 1;
}
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-size: 18px; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; box-shadow: 0 4px 16px rgba(245,166,35,0.4);
}
.step-title { font-size: 14px; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.step-desc  { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ---------- 19. 标签页 ---------- */
.tab-nav {
  display: flex; align-items: center; gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  overflow-x: auto; padding-bottom: 1px;
}
.tab-nav::-webkit-scrollbar { display: none; }
.tab-item {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 18px; border-radius: var(--radius) var(--radius) 0 0;
  font-size: 14px; font-weight: 600; color: var(--text-muted);
  cursor: pointer; transition: all var(--transition);
  border: 1px solid transparent; border-bottom: none;
  margin-bottom: -1px; white-space: nowrap; background: transparent;
}
.tab-item:hover { color: var(--primary); }
.tab-item.active {
  color: var(--primary);
  border-color: var(--border) var(--border) var(--bg-base);
  background: var(--bg-base);
}
.tab-item .tab-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 18px; padding: 0 5px;
  background: rgba(245,166,35,0.15); color: var(--primary);
  border-radius: var(--radius-full); font-size: 10px; font-weight: 800;
}

/* 筛选按钮组 */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.filter-btn {
  padding: 7px 16px; border-radius: var(--radius-full);
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  border: 1px solid var(--border); background: transparent; cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: rgba(245,166,35,0.1);
  border-color: var(--border-gold);
  color: var(--primary);
}

/* ---------- 20. 分页 ---------- */
.pagination { display: flex; align-items: center; gap: 6px; justify-content: center; margin-top: 40px; }
.page-item {
  width: 38px; height: 38px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600;
  border: 1px solid var(--border); color: var(--text-muted);
  cursor: pointer; transition: all var(--transition); background: transparent;
}
.page-item:hover { border-color: var(--primary); color: var(--primary); }
.page-item.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 16px rgba(245,166,35,0.4);
}
.page-dots { color: var(--text-muted); padding: 0 4px; }

/* ---------- 21. 面包屑 ---------- */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--text-muted); font-size: 11px; }
.breadcrumb-current { color: var(--text-secondary); }

/* ---------- 22. 公告横幅 ---------- */
.marquee-bar {
  background: rgba(245,166,35,0.08);
  border-bottom: 1px solid rgba(245,166,35,0.15);
  padding: 8px 0;
  overflow: hidden;
  position: relative;
  display: flex; align-items: center;
}
.marquee-label {
  flex-shrink: 0; padding: 0 20px 0 24px;
  font-size: 12px; font-weight: 800; color: var(--primary);
  letter-spacing: 1px; text-transform: uppercase;
  display: flex; align-items: center; gap: 6px;
}
.marquee-label::after { content: ''; width: 1px; height: 14px; background: var(--border-gold); }
.marquee-content {
  display: flex; gap: 48px; white-space: nowrap;
  animation: marquee 28s linear infinite;
  font-size: 13px; color: var(--text-secondary);
}
.marquee-content a { color: var(--text-secondary); }
.marquee-content a:hover { color: var(--primary); }
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- 23. 页内通栏 ---------- */
.page-hero {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 0%, rgba(245,166,35,0.08) 0%, transparent 60%);
}
.page-hero-title  { font-size: clamp(28px,4vw,44px); font-weight: 900; color: var(--text-primary); margin-bottom: 10px; }
.page-hero-desc   { font-size: 15px; color: var(--text-secondary); }

/* ---------- 24. 侧边栏 ---------- */
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden; margin-bottom: 24px;
}
.sidebar-widget-title {
  padding: 16px 20px;
  font-size: 14px; font-weight: 800; color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.sidebar-widget-title::before { content: ''; width: 3px; height: 14px; background: var(--primary); border-radius: 2px; }
.sidebar-widget-body { padding: 16px 20px; }

.sidebar-link-list { display: flex; flex-direction: column; gap: 2px; }
.sidebar-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px; border-radius: var(--radius);
  font-size: 13px; color: var(--text-secondary);
  transition: all var(--transition);
}
.sidebar-link:hover { background: rgba(245,166,35,0.07); color: var(--primary); }
.sidebar-link-count { font-size: 11px; color: var(--text-muted); font-weight: 600; }

/* ---------- 25. 后台管理 ---------- */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px; flex-shrink: 0;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar-logo {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.admin-menu { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; }
.admin-menu-group { padding: 12px 12px 4px; font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.admin-menu-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: var(--radius);
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  cursor: pointer; transition: all var(--transition); text-decoration: none;
}
.admin-menu-item:hover { background: rgba(245,166,35,0.07); color: var(--primary); }
.admin-menu-item.active { background: rgba(245,166,35,0.12); color: var(--primary); }
.admin-menu-item .badge-count {
  margin-left: auto;
  background: rgba(255,70,70,0.15); color: var(--danger);
  font-size: 10px; font-weight: 800;
  padding: 2px 6px; border-radius: var(--radius-full);
}
.admin-content {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column;
}
.admin-header {
  height: 60px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px; background: var(--bg-card);
  position: sticky; top: 0; z-index: 100;
}
.admin-main { padding: 28px; flex: 1; }

/* 统计卡片 */
.admin-stat-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all var(--transition);
}
.admin-stat-card:hover { border-color: var(--border-gold); }
.admin-stat-num  { font-size: 32px; font-weight: 900; line-height: 1; }
.admin-stat-label { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.admin-stat-trend {
  display: flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 700;
}
.trend-up   { color: var(--accent); }
.trend-down { color: var(--danger); }

/* 数据表格 */
.admin-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.admin-table th {
  text-align: left; padding: 11px 16px;
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.7px;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 13px 16px; font-size: 13px; color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}
.admin-table tr:hover td { background: rgba(245,166,35,0.03); }
.admin-table .td-name { color: var(--text-primary); font-weight: 600; }

/* ---------- 26. 返回顶部 ---------- */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(245,166,35,0.4);
  opacity: 0; transform: translateY(16px);
  transition: all 0.3s ease; pointer-events: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover { box-shadow: 0 8px 28px rgba(245,166,35,0.6); transform: translateY(-2px); }

/* ---------- 27. 页脚 ---------- */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p { font-size: 13px; color: var(--text-muted); line-height: 1.75; margin-top: 16px; }
.footer-col h4 {
  font-size: 13px; font-weight: 800; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 13px; color: var(--text-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--text-muted);
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
.footer-links { display: flex; gap: 20px; }

/* ---------- 28. 工具类 ---------- */
.mt-8  { margin-top: 8px; }  .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mb-8  { margin-bottom: 8px; } .mb-12 { margin-bottom: 12px; } .mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }
.gap-8  { gap: 8px; }  .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.gap-24 { gap: 24px; } .gap-32 { gap: 32px; }
.fw-600 { font-weight: 600; } .fw-700 { font-weight: 700; } .fw-800 { font-weight: 800; }
.fs-12  { font-size: 12px; }  .fs-13  { font-size: 13px; }  .fs-14  { font-size: 14px; }
.text-primary   { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-gold      { color: var(--primary) !important; }
.text-green     { color: var(--accent) !important; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ---------- 29. 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stats-grid .stat-item:nth-child(2) { border-right: none; }
  .stats-grid .stat-item:nth-child(3) { border-top: 1px solid var(--border); }
  .stats-grid .stat-item:nth-child(4) { border-top: 1px solid var(--border); border-right: none; }
  .admin-sidebar { width: 200px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 58px; }
  .navbar { padding: 0 16px; }
  .navbar-nav, .btn-nav-login, .btn-nav-join, .lang-switch { display: none !important; }
  .menu-toggle { display: flex; }

  .section { padding: 48px 0; }
  .section-lg { padding: 64px 0; }
  .container, .container-wide { padding: 0 16px; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 48px 0 64px; }
  .hero-title { font-size: clamp(32px,8vw,48px); }
  .hero-stats { gap: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid .stat-item { border-right: none; border-bottom: 1px solid var(--border); }

  .news-card-featured { grid-template-columns: 1fr; }
  .news-card-featured .news-card-img { min-height: 200px; }

  .step-list { flex-direction: column; }
  .step-list::before { display: none; }
  .step-item { display: flex; gap: 16px; text-align: left; padding: 16px 0; }
  .step-num  { flex-shrink: 0; width: 40px; height: 40px; font-size: 15px; margin: 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: static; }
  .admin-menu { flex-direction: row; flex-wrap: wrap; padding: 8px; }
  .admin-menu-group { display: none; }
  .admin-menu-item { flex-direction: column; gap: 4px; font-size: 11px; padding: 8px 10px; width: 64px; text-align: center; }
  .admin-menu-item .badge-count { margin: 0; }

  .tab-nav { gap: 2px; }
  .tab-item { padding: 8px 12px; font-size: 13px; }
  .back-to-top { bottom: 20px; right: 16px; width: 40px; height: 40px; }
}

@media (max-width: 480px) {
  .btn-xl { padding: 14px 28px; font-size: 15px; }
  .section-title { font-size: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .pagination { gap: 4px; }
  .page-item { width: 34px; height: 34px; font-size: 13px; }
}

/* ---------- 30. 滚动条 ---------- */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track  { background: var(--bg-base); }
::-webkit-scrollbar-thumb  { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ---------- 31. 选择文字高亮 ---------- */
::selection { background: rgba(245,166,35,0.25); color: var(--text-primary); }