/* ============================================================
   6i Group 外汇平台 - 主样式表（橙白棕配色）
   ============================================================ */

/* ==================== 变量定义 ==================== */
:root {
  --primary: #E85D26;
  --primary-dark: #C2410C;
  --primary-light: #FFF7ED;
  --accent: #A67C52;         /* 浅棕色辅助色 */
  --accent-light: #F5EDE3;   /* 浅棕色浅底 */
  --dark: #3D2C1E;           /* 棕黑色文字 */
  --gray: #78716C;
  --gray-light: #A8A29E;
  --light-bg: #FDF9F3;       /* 米白背景 */
  --white: #FFFFFF;
  --border: #EDE4D8;         /* 浅棕边框 */
  --success: #10B981;
  --danger: #DC2626;
  --warning: #F59E0B;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(61, 44, 30, .06);
  --shadow-md: 0 4px 12px rgba(61, 44, 30, .08);
  --shadow-lg: 0 12px 24px rgba(61, 44, 30, .12);
  --transition: all .3s ease;
}

/* ==================== 重置样式 ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
               'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  color: var(--dark);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center {
  text-align: center;
}

/* ==================== 通用按钮 ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(232, 93, 38, .35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

.btn-block {
  width: 100%;
}

/* ==================== 顶部头部 ==================== */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;              /* 76 → 90，给大 Logo 留空间 */
  gap: 300px;
}

.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo img {
  height: 72px;              /* 38 → 60，主要改这里 */
  width: auto;
  max-width: 300px;          /* 160 → 260，防止太宽 */
  object-fit: contain;
  display: block;
}

/* 主导航 */
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.main-nav ul {
  display: flex;
  gap: 2px;
  flex-wrap: nowrap;
}

.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 11px;
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

.main-nav a i {
  font-size: 13px;
}

/* 右侧操作区：按钮一行 + QQ 一行 */
.header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.header-actions .actions-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-actions .btn {
  padding: 7px 14px;
  font-size: 13px;
  white-space: nowrap;
}

.header-actions .qq-contact {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--gray);
  line-height: 1;
}

.header-actions .qq-contact i {
  color: var(--primary);
  font-size: 13px;
}

/* 手机端菜单开关 */
.mobile-toggle {
  display: none;
  font-size: 22px;
  color: var(--dark);
  cursor: pointer;
  padding: 8px;
}

/* ==================== 手机端底部固定栏 ==================== */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  z-index: 1001;
  box-shadow: 0 -2px 10px rgba(61, 44, 30, .08);
}

.mob-btn {
  flex: 1;
  text-align: center;
  padding: 13px 0;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.mob-open {
  background: var(--primary);
  color: #fff;
}

.mob-open:active {
  background: var(--primary-dark);
}

.mob-login {
  background: var(--light-bg);
  color: var(--accent);
  border-left: 1px solid var(--border);
}

/* ==================== Hero Banner ==================== */
.hero {
  background: linear-gradient(135deg, #C2410C 0%, #E85D26 50%, #F59E0B 100%);
  color: #fff;
  text-align: center;
  padding: 100px 20px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, .1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 44px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero p {
  font-size: 18px;
  opacity: .95;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: #fff;
  color: var(--primary);
}

.hero .btn-primary:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.hero .btn-outline {
  border-color: #fff;
  color: #fff;
}

.hero .btn-outline:hover {
  background: #fff;
  color: var(--primary);
}

/* ==================== 通用 Section ==================== */
section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--dark);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ==================== 核心优势 Features ==================== */
.features {
  background: var(--light-bg);
}

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

.feature-item {
  background: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.feature-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-item i {
  font-size: 38px;
  color: var(--primary);
  margin-bottom: 18px;
  display: block;
}

.feature-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}

.feature-item p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ==================== 产品预览 Products ==================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  display: block;
}

.product-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(232, 93, 38, .15);
  transform: translateY(-4px);
}

.product-card i {
  font-size: 34px;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}

.product-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  font-weight: 600;
}

.product-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

/* ==================== 新闻预览 News ==================== */
.news-preview {
  background: var(--light-bg);
}

.news-list {
  display: grid;
  gap: 16px;
  margin-bottom: 32px;
}

.news-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition);
}

.news-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.news-date {
  background: var(--primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  text-align: center;
}

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

.news-info h4 {
  font-size: 16px;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.5;
}

.news-info p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.news-category {
  display: inline-block;
  font-size: 12px;
  color: var(--accent);
  background: var(--accent-light);
  padding: 2px 10px;
  border-radius: 10px;
  margin-top: 8px;
}

/* ==================== CTA 区块 ==================== */
.cta-section {
  background: linear-gradient(135deg, #C2410C, #E85D26);
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  font-size: 30px;
  margin-bottom: 24px;
  font-weight: 700;
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--primary);
}

.cta-section .btn-primary:hover {
  background: var(--primary-light);
}

/* ==================== 内页 Banner ==================== */
.page-banner {
  background: linear-gradient(135deg, #C2410C, #E85D26);
  color: #fff;
  text-align: center;
  padding: 60px 20px;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, .1) 0%, transparent 70%);
  border-radius: 50%;
}

.page-banner h1 {
  font-size: 34px;
  margin-bottom: 10px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.page-banner p {
  font-size: 16px;
  opacity: .95;
  position: relative;
  z-index: 1;
}

.page-content {
  padding: 60px 0;
}

/* ==================== 关于我们 ==================== */
.about-intro {
  max-width: 800px;
  margin: 0 auto 56px;
  text-align: center;
}

.about-intro h2 {
  font-size: 28px;
  margin-bottom: 18px;
  color: var(--dark);
  font-weight: 700;
}

.about-intro p {
  color: var(--gray);
  margin-bottom: 14px;
  line-height: 1.8;
  font-size: 15px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
  text-align: center;
}

.stat-item {
  background: var(--light-bg);
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  transition: var(--transition);
  border: 1px solid transparent;
}

.stat-item:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--border);
}

.stat-item i {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}

.stat-item h3 {
  font-size: 26px;
  margin-bottom: 6px;
  font-weight: 700;
  color: var(--accent);
}

.stat-item p {
  font-size: 14px;
  color: var(--gray);
}

.about-values h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 36px;
  font-weight: 700;
}

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

.value-item {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 30px;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.value-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.value-item i {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}

.value-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}

.value-item p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ==================== 软件下载 ==================== */
.download-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.download-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 20px;
  text-align: center;
  transition: var(--transition);
}

.download-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.download-card i {
  font-size: 44px;
  color: var(--primary);
  margin-bottom: 18px;
  display: block;
}

.download-card h3 {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 600;
}

.download-card p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 20px;
}

.download-tips {
  background: var(--accent-light);
  padding: 32px 36px;
  border-radius: var(--radius-lg);
}

.download-tips h3 {
  margin-bottom: 18px;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
}

.download-tips ol {
  padding-left: 20px;
  list-style: decimal;
  color: var(--gray);
}

.download-tips li {
  margin-bottom: 10px;
  line-height: 1.7;
}

/* ==================== 交易产品 ==================== */
.product-detail {
  margin-bottom: 56px;
}

.product-detail h2 {
  font-size: 24px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.product-detail h2 i {
  color: var(--primary);
  font-size: 26px;
}

.product-detail > p {
  color: var(--gray);
  margin-bottom: 20px;
  line-height: 1.7;
}

.product-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.product-table th,
.product-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.product-table th {
  background: var(--accent-light);
  font-weight: 600;
  color: var(--accent);
}

.product-table tr:last-child td {
  border-bottom: none;
}

.product-table tr:hover td {
  background: #FBF6EF;
}

/* ==================== 新闻列表页 ==================== */
.news-list-page {
  display: grid;
  gap: 16px;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.pagination a {
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  color: var(--gray);
  background: var(--white);
}

.pagination a:hover,
.pagination a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ==================== 新闻详情 ==================== */
.news-detail {
  max-width: 820px;
  margin: 0 auto;
}

.news-detail h1 {
  font-size: 30px;
  margin-bottom: 20px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--dark);
}

.news-meta {
  color: var(--gray);
  font-size: 14px;
  margin-bottom: 28px;
  display: flex;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.news-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-body {
  line-height: 1.9;
  color: #4A3B2E;
  margin-bottom: 48px;
  font-size: 15px;
}

.news-body p {
  margin-bottom: 18px;
}

.news-body h2,
.news-body h3 {
  margin: 28px 0 14px;
  color: var(--dark);
}

.news-body img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 20px 0;
}

.news-body ol,
.news-body ul {
  padding-left: 24px;
  margin-bottom: 18px;
  list-style: revert;
}

.news-body li {
  margin-bottom: 8px;
}

.news-back {
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ==================== 联系我们 ==================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.contact-card i {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}

.contact-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  font-weight: 600;
}

.contact-card p {
  font-size: 14px;
  color: var(--gray);
  word-break: break-all;
}

.contact-form-wrap {
  max-width: 640px;
  margin: 0 auto;
}

.contact-form-wrap h2 {
  margin-bottom: 28px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
}

/* ==================== 通用表单 ==================== */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--dark);
  background: var(--white);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 93, 38, .12);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.success-msg {
  color: var(--success);
  margin-top: 18px;
  text-align: center;
  font-weight: 500;
  padding: 12px;
  background: #ECFDF5;
  border-radius: var(--radius);
}

.error-msg {
  color: var(--danger);
  margin-bottom: 18px;
  text-align: center;
  font-weight: 500;
  padding: 10px;
  background: #FEF2F2;
  border-radius: var(--radius);
  font-size: 14px;
}

/* ==================== 立即开户 ==================== */
.register-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
  text-align: center;
}

.step {
  padding: 20px;
}

.step span {
  display: inline-flex;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(232, 93, 38, .3);
}

.step h3 {
  font-size: 17px;
  margin-bottom: 8px;
  font-weight: 600;
}

.step p {
  font-size: 14px;
  color: var(--gray);
}

.register-form-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: var(--white);
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.register-form-wrap h2 {
  margin-bottom: 28px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
}

/* ==================== 底部 Footer ==================== */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  color: var(--dark);
  margin-top: auto;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 18px;
  color: var(--accent);
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.footer-col p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--gray);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-col ul i {
  font-size: 13px;
  width: 14px;
  text-align: center;
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 22px 20px;
  font-size: 13px;
  color: var(--gray);
  background: var(--light-bg);
}

/* ==================== 登录页 ==================== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFF7ED 0%, #F5EDE3 100%);
  padding: 20px;
}

.login-box {
  background: var(--white);
  padding: 44px 40px;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(61, 44, 30, .12);
  border: 1px solid var(--border);
}

.login-box h2 {
  text-align: center;
  margin-bottom: 32px;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.login-box .btn {
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 15px;
}

/* ==================== 后台管理 ==================== */
.admin-wrap {
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
}

.admin-header > div {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.admin-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
  display: block;
}

.admin-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.admin-card i {
  font-size: 34px;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}

.admin-card h3 {
  font-size: 17px;
  margin-bottom: 6px;
  font-weight: 600;
}

.admin-card p {
  font-size: 13px;
  color: var(--gray);
}

/* 后台表格 */
.news-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.news-table th,
.news-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.news-table th {
  background: var(--accent-light);
  font-weight: 600;
  color: var(--accent);
}

.news-table tr:last-child td {
  border-bottom: none;
}

.news-table tr:hover td {
  background: #FBF6EF;
}

.actions a {
  margin-right: 12px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
}

.actions a:hover {
  text-decoration: underline;
}

.actions a.delete {
  color: var(--danger);
}

/* ==================== 响应式 - 平板（992px） ==================== */
@media (max-width: 992px) {
  .header-inner {
    height: 64px;
    padding: 0 16px;
  }

  .main-nav {
    display: none;
  }

  .main-nav.mobile-open {
    display: block;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 12px 20px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    z-index: 999;
  }

  .main-nav.mobile-open ul {
    flex-direction: column;
    gap: 4px;
    flex-wrap: wrap;
  }

  .main-nav.mobile-open a {
    padding: 12px 14px;
    font-size: 15px;
    width: 100%;
  }

  .header-actions .actions-row {
    display: none;
  }

  .header-actions .qq-contact {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .feature-grid,
  .product-grid,
  .download-grid,
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero h1 {
    font-size: 34px;
  }

  .section-title {
    font-size: 26px;
  }

  .page-banner h1 {
    font-size: 28px;
  }
}

/* ==================== 响应式 - 手机（768px） ==================== */
@media (max-width: 768px) {
  body {
    padding-bottom: 52px;
    font-size: 14px;
  }

  .mobile-bottom-bar {
    display: flex;
  }

  .header-inner {
    padding: 0 16px;
    gap: 10px;
  }

  .logo img {
    height: 32px;
    max-width: 130px;
  }

  .hero {
    padding: 64px 20px;
  }

  .hero h1 {
    font-size: 26px;
    line-height: 1.3;
  }

  .hero p {
    font-size: 15px;
  }

  .hero-btns {
    gap: 12px;
  }

  .btn-lg {
    padding: 12px 24px;
    font-size: 15px;
  }

  section {
    padding: 56px 0;
  }

  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 22px;
    margin-bottom: 32px;
  }

  .section-title::after {
    width: 44px;
    height: 3px;
    margin-top: 12px;
  }

  .feature-grid,
  .product-grid,
  .download-grid,
  .contact-grid,
  .value-grid,
  .about-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .register-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 16px 28px;
  }

  .news-item {
    flex-direction: column;
    gap: 12px;
    padding: 18px;
  }

  .news-date {
    align-self: flex-start;
  }

  .news-detail h1 {
    font-size: 22px;
  }

  .page-banner {
    padding: 44px 16px;
  }

  .page-banner h1 {
    font-size: 24px;
  }

  .page-banner p {
    font-size: 14px;
  }

  .page-content {
    padding: 40px 0;
  }

  .register-form-wrap {
    padding: 28px 20px;
  }

  .download-tips {
    padding: 24px 20px;
  }

  .product-table {
    font-size: 13px;
  }

  .product-table th,
  .product-table td {
    padding: 10px 12px;
  }

  .product-detail h2 {
    font-size: 20px;
  }

  .admin-wrap {
    margin: 20px auto;
  }

  .admin-header h1 {
    font-size: 20px;
  }

  .admin-cards {
    grid-template-columns: 1fr;
  }

  .news-table th,
  .news-table td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .login-box {
    padding: 32px 24px;
  }

  .cta-section h2 {
    font-size: 22px;
  }

  .about-intro h2,
  .about-values h2 {
    font-size: 22px;
  }

  .contact-form-wrap h2,
  .register-form-wrap h2 {
    font-size: 20px;
  }
}

/* ==================== 响应式 - 小屏手机（480px） ==================== */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 22px;
  }

  .hero p {
    font-size: 14px;
  }

  .hero-btns {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-btns .btn {
    width: 100%;
  }

  .stat-item h3 {
    font-size: 22px;
  }

  .news-meta {
    gap: 12px;
    font-size: 13px;
  }

  .pagination a {
    min-width: 36px;
    height: 36px;
    font-size: 13px;
  }
}

/* ==================== 打印样式 ==================== */
@media print 
/* ==================== 首页新增：数据统计条 ==================== */
.stats-bar {
  background: linear-gradient(135deg, #C2410C, #E85D26);
  color: #fff;
  padding: 48px 0;
}
.stats-bar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats-bar-item h3 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1;
}
.stats-bar-item p {
  font-size: 14px;
  opacity: .9;
  letter-spacing: 1px;
}

/* ==================== 首页新增：账户类型 ==================== */
.account-section { background: var(--white); }
.account-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.account-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.account-card:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 32px rgba(232, 93, 38, .15);
  transform: translateY(-6px);
}
.account-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, #FFF7ED 0%, #FFFFFF 100%);
}
.account-card.featured::before {
  content: '最受欢迎';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}
.account-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--accent);
}
.account-card .price {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  margin: 16px 0;
}
.account-card .price small {
  font-size: 14px;
  color: var(--gray);
  font-weight: 400;
}
.account-card ul {
  text-align: left;
  margin: 24px 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.account-card ul li {
  padding: 10px 0;
  font-size: 14px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 10px;
}
.account-card ul li i {
  color: var(--primary);
  font-size: 13px;
}

/* ==================== 首页新增：交易优势（图文双栏） ==================== */
.advantage-section { background: var(--light-bg); }
.advantage-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 72px;
}
.advantage-row:last-child { margin-bottom: 0; }
.advantage-row.reverse { direction: rtl; }
.advantage-row.reverse > * { direction: ltr; }
.advantage-img {
  background: linear-gradient(135deg, #FFF7ED 0%, #F5EDE3 100%);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  border: 1px solid var(--border);
}
.advantage-img i {
  font-size: 100px;
  color: var(--primary);
  opacity: .85;
}
.advantage-text h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}
.advantage-text h3 span {
  display: block;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 3px;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.advantage-text > p {
  color: var(--gray);
  line-height: 1.9;
  margin-bottom: 20px;
}
.advantage-text ul li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 10px;
}
.advantage-text ul li i {
  color: var(--primary);
  font-size: 14px;
}

/* ==================== 首页新增：合作机构 ==================== */
.partners-section { background: var(--white); padding: 60px 0; }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  align-items: center;
}
.partner-item {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  transition: var(--transition);
}
.partner-item:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
}

/* ==================== 首页新增：客户评价 ==================== */
.testimonials { background: var(--light-bg); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: var(--transition);
}
.testimonial-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 10px;
  right: 24px;
  font-size: 72px;
  font-family: Georgia, serif;
  color: var(--primary);
  opacity: .15;
  line-height: 1;
}
.testimonial-stars {
  color: #F59E0B;
  font-size: 13px;
  margin-bottom: 14px;
}
.testimonial-text {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 22px;
  min-height: 80px;
}
.testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.testimonial-user h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}
.testimonial-user p {
  font-size: 12px;
  color: var(--gray);
}

/* ==================== 首页新增：常见问题 FAQ ==================== */
.faq-section { background: var(--white); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active { border-color: var(--primary); background: var(--white); }
.faq-question {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}
.faq-question i {
  color: var(--primary);
  transition: transform .3s;
  flex-shrink: 0;
}
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 4px;
}
.faq-item.active .faq-answer { display: block; }

/* ==================== 关于我们：发展历程时间轴 ==================== */
.timeline-section { background: var(--light-bg); }
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  transform: translateX(-50%);
  border-radius: 2px;
}
.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-left: 50%;
  position: relative;
  margin-bottom: 40px;
}
.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-left: 0;
  padding-right: 50%;
}
.timeline-item:nth-child(even) .timeline-content { text-align: right; }
.timeline-dot {
  position: absolute;
  left: 50%;
  top: 20px;
  width: 20px;
  height: 20px;
  background: var(--white);
  border: 4px solid var(--primary);
  border-radius: 50%;
  transform: translateX(-50%);
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(232, 93, 38, .15);
}
.timeline-content {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  max-width: 380px;
  box-shadow: var(--shadow-sm);
}
.timeline-year {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}
.timeline-content h4 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--dark);
  font-weight: 600;
}
.timeline-content p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ==================== 关于我们：管理团队 ==================== */
.team-section { background: var(--white); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.team-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFF7ED, #F5EDE3);
  border: 3px solid var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 34px;
  color: var(--primary);
}
.team-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--dark);
}
.team-card .position {
  font-size: 13px;
  color: var(--primary);
  margin-bottom: 12px;
}
.team-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.7;
}

/* ==================== 关于我们：荣誉资质 ==================== */
.honors-section { background: var(--light-bg); }
.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.honor-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
}
.honor-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}
.honor-card i {
  font-size: 42px;
  color: var(--primary);
  margin-bottom: 16px;
  display: block;
}
.honor-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}
.honor-card p {
  font-size: 13px;
  color: var(--gray);
}

/* ==================== 软件下载：功能特性 ==================== */
.mt4-features { background: var(--light-bg); }
.mt4-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.mt4-feature-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.mt4-feature-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.mt4-feature-item i {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}
.mt4-feature-item h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}
.mt4-feature-item p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
}

/* ==================== 软件下载：系统要求表格 ==================== */
.system-req { background: var(--white); }
.req-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.req-table th, .req-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.req-table th {
  background: var(--accent-light);
  font-weight: 600;
  color: var(--accent);
  width: 200px;
}
.req-table tr:last-child td { border-bottom: none; }
.req-table tr:hover td { background: #FBF6EF; }

/* ==================== 交易产品：产品总览 ==================== */
.product-overview { background: var(--light-bg); }
.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.overview-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: var(--transition);
  display: block;
}
.overview-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(232, 93, 38, .15);
}
.overview-card i {
  font-size: 44px;
  color: var(--primary);
  margin-bottom: 18px;
  display: block;
}
.overview-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  font-weight: 600;
}
.overview-card .count {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}
.overview-card p {
  font-size: 13px;
  color: var(--gray);
}

/* ==================== 交易产品：交易时间表 ==================== */
.trade-time-section { background: var(--white); }
.time-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.time-table th, .time-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.time-table th {
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}
.time-table tr:last-child td { border-bottom: none; }

/* ==================== 联系我们：办公地点 ==================== */
.offices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.office-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}
.office-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.office-card i {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 14px;
  display: block;
}
.office-card h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}
.office-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 6px;
}

/* ==================== 新闻中心：筛选与侧栏 ==================== */
.news-filter {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.news-filter a {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--gray);
  background: var(--white);
}
.news-filter a:hover,
.news-filter a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.news-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
}
.news-sidebar {
  position: sticky;
  top: 96px;
  height: fit-content;
}
.sidebar-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.sidebar-box h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
  color: var(--accent);
}
.sidebar-news li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13px;
  line-height: 1.6;
}
.sidebar-news li:last-child { border-bottom: none; }
.sidebar-news a {
  color: var(--gray);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.sidebar-news a:hover { color: var(--primary); }
.sidebar-news .date {
  display: block;
  font-size: 12px;
  color: var(--gray-light);
  margin-top: 4px;
}

/* ==================== 响应式新增 ==================== */
@media (max-width: 992px) {
  .stats-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .stats-bar-item h3 { font-size: 32px; }
  .account-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .advantage-row { grid-template-columns: 1fr; gap: 32px; }
  .advantage-row.reverse { direction: ltr; }
  .advantage-img { padding: 40px 24px; }
  .advantage-img i { font-size: 72px; }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .overview-grid { grid-template-columns: repeat(2, 1fr); }
  .mt4-feature-grid { grid-template-columns: 1fr 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { position: static; }
  .offices-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 20px; }
  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 60px;
    padding-right: 0;
    justify-content: flex-start;
  }
  .timeline-item:nth-child(even) .timeline-content { text-align: left; }
  .timeline-dot { left: 20px; }
  .timeline-content { max-width: 100%; }
}

@media (max-width: 768px) {
  .stats-bar { padding: 36px 0; }
  .stats-bar-item h3 { font-size: 26px; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
  .mt4-feature-grid { grid-template-columns: 1fr; }
  .account-card { padding: 32px 24px; }
  .account-card .price { font-size: 26px; }
  .advantage-text h3 { font-size: 20px; }
  .testimonial-card { padding: 26px 22px; }
  .faq-question { padding: 16px 18px; font-size: 14px; }
  .faq-answer { padding: 0 18px 18px; }
}{
  .site-header,
  .site-footer,
  .mobile-bottom-bar,
  .hero-btns,
  .cta-section {
    display: none;
  }

  body {
    padding-bottom: 0;
  }
}
/* ============================================================
   手机端联系方式显眼化
   ============================================================ */

/* 手机端顶部联系方式条（PC 隐藏） */
.mobile-contact-bar {
  display: none;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 10px 16px;
  box-shadow: 0 2px 8px rgba(232, 93, 38, .25);
  position: relative;
  z-index: 999;
}

.mob-contact-qq {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 14px;
  text-decoration: none;
}

.mob-contact-qq > i {
  font-size: 22px;
  background: #fff;
  color: var(--primary);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .15);
}

.mob-contact-qq > span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mob-contact-qq strong {
  font-size: 15px;
  letter-spacing: .5px;
}

.mob-contact-btn {
  margin-left: auto;
  background: #fff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  flex-shrink: 0;
  white-space: nowrap;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* 悬浮客服按钮（PC + 手机） */
.float-contact {
  position: fixed;
  right: 20px;
  bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 998;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--white);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 16px rgba(61, 44, 30, .18);
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative;
  transition: all .3s;
}

.float-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.08);
}

.float-qq {
  background: #12B7F5;
  color: #fff;
  border-color: #12B7F5;
  animation: bounce 2s infinite;
}

.float-qq:hover {
  background: #0EA5DE;
  color: #fff;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.float-text {
  position: absolute;
  right: 62px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(61, 44, 30, .9);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
  pointer-events: none;
}

.float-text::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: rgba(61, 44, 30, .9);
}

.float-btn:hover .float-text {
  opacity: 1;
  visibility: visible;
  right: 66px;
}

/* 手机端调整 */
@media (max-width: 768px) {
  .mobile-contact-bar {
    display: block;
  }

  .float-contact {
    right: 12px;
    bottom: 70px;           /* 抬高，避免被底部固定栏遮挡 */
    gap: 8px;
  }

  .float-btn {
    width: 46px;
    height: 46px;
    font-size: 20px;
  }

  /* 手机端悬浮按钮默认显示文字标签（因无 hover） */
  .float-text {
    display: none;
  }

  /* 手机端顶部 QQ 条紧凑 */
  .mobile-contact-bar {
    padding: 8px 14px;
  }

  .mob-contact-qq {
    font-size: 13px;
    gap: 8px;
  }

  .mob-contact-qq > i {
    width: 30px;
    height: 30px;
    font-size: 18px;
  }

  .mob-contact-qq strong {
    font-size: 14px;
  }

  .mob-contact-btn {
    font-size: 11px;
    padding: 5px 12px;
  }

  /* 让内容不被悬浮按钮遮挡 */
  .container {
    padding-right: 16px;
  }
}

/* 小屏手机进一步压缩悬浮按钮 */
@media (max-width: 480px) {
  .float-contact {
    right: 10px;
    bottom: 66px;
    gap: 6px;
  }

  .float-btn {
    width: 42px;
    height: 42px;
    font-size: 18px;
  }

  .mobile-contact-bar {
    padding: 7px 12px;
  }

  .mob-contact-qq {
    font-size: 12px;
  }

  .mob-contact-qq strong {
    font-size: 13px;
  }
}

/* ============================================================
   悬浮按钮 + 底部固定栏 高度协调（避免重叠）
   ============================================================ */
@media (max-width: 768px) {
  body {
    padding-bottom: 96px;   /* 由 52px 改为 96px，给悬浮按钮留空间 */
  }
}