/* =============================================
   任推邦官网 style.css
   对标 gw.bd.cn 绿色风格
   ============================================= */

/* ---------- CSS 变量 ---------- */
:root {
  --brand: #0D1E4C;
  --brand-dark: #071333;
  --brand-light: #E6EAF5;
  --brand-gradient: linear-gradient(135deg, #0D1E4C 0%, #071333 100%);
  --text-primary: #1D2129;
  --text-secondary: #4E5969;
  --text-muted: #86909C;
  --bg-page: #F7F8FA;
  --bg-white: #FFFFFF;
  --border: #E5E6EB;
  --radius: 8px;
  --radius-lg: 12px;
  --font: PingFang SC, HarmonyOS Sans SC, Microsoft YaHei, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ---------- 最大宽度容器 ---------- */
.w1228,
.container,
.nav-inner,
.banner-inner,
.footer-inner,
.channelBox,
.professionalTeam {
  max-width: 1228px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-lg { padding: 14px 40px; font-size: 17px; }
.btn-brand {
  background: var(--brand-gradient);
  color: #FFF;
  box-shadow: 0 4px 12px rgba(13, 30, 76, 0.3);
}
.btn-brand:hover { background: linear-gradient(135deg, #071333 0%, #050C25 100%); }
.btn-white { background: #FFF; color: var(--brand-dark); }
.btn-white:hover { background: #f0f0f0; }
/* .com.cn 主色是橙，CTA 用绿色渐变形成反差（跟 .net 反转） */
.btn-orange { background: linear-gradient(135deg, #ffec07, #E8B842); color: #0D1E4C; font-weight: 700; box-shadow: 0 4px 12px rgba(232,184,66,0.45); }
.btn-orange:hover { background: linear-gradient(135deg, #FFD700, #D4A73E); color: #0D1E4C; box-shadow: 0 6px 16px rgba(232,184,66,0.6); }
.btn-outline { background: transparent; border: 1px solid var(--brand); color: var(--brand); }
.btn-outline:hover { background: var(--brand-light); }

/* ---------- 通用区块标题 ---------- */
.section-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 12px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 48px;
}

/* 带左侧绿竖线标题（ptBox / teamBox / channel / cliqueBox） */
.ptBox .title,
.teamBox .title,
.channel .title,
.cliqueBox .title {
  margin-bottom: 32px;
}
.ptBox .title .span,
.teamBox .title .span,
.cliqueBox .title .span,
.channel .title .span {
  font-size: 36px;
  font-weight: 800;
  color: #222;
  line-height: 1.3;
  margin: 0;
  padding-bottom: 7px;
  display: inline-block;
  position: relative;
  z-index: 1;
  border-left: none;
  padding-left: 0;
}
.ptBox .title .span::before,
.teamBox .title .span::before,
.cliqueBox .title .span::before,
.channel .title .span::before {
  content: '';
  width: 101px;
  height: 38px;
  background: url(../images/tit_line.png) no-repeat;
  background-size: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: -1;
}
.channel .title .small { color: var(--text-muted); padding-left: 20px; font-size: 15px; }
.teamBox .title .small,
.ptBox .title .small {
  color: var(--text-muted);
  padding-left: 20px;
  font-size: 15px;
}

/* =============================================
   导航栏 .nav
   ============================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFF;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img { height: 32px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 48px;
  list-style: none;
}
.nav-links li a {
  font-size: 16px;
  font-weight: 400;
  color: #444;
  transition: color 0.2s;
  position: relative;
  padding: 6px 0;
}
.nav-links li a:hover { color: #071333; }
.nav-links li a.active {
  font-weight: 600;
  color: #111c3d;
}
.nav-links li a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 12px;
  background: url(../images/nav_line.png) no-repeat center;
  background-size: 100%;
}
.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: #FFF !important;
  background: linear-gradient(135deg, #ffec07, #E8B842);
  color: #0D1E4C !important;
  padding: 0 36px;
  height: 38px;
  min-width: 120px;
  line-height: 38px;
  border-radius: 6px;
  box-shadow: 0 3px 10px rgba(232,184,66,0.45);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  letter-spacing: 1px;
}
.nav-cta:hover {
  color: #0D1E4C !important;
  background: linear-gradient(135deg, #FFD700, #D4A73E);
  box-shadow: 0 4px 14px rgba(232,184,66,0.6);
  transform: translateY(-1px);
}
.nav-cta::after { display: none !important; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  padding: 4px;
}

/* =============================================
   Banner
   ============================================= */
.banner {
  background: var(--brand-gradient);
  padding: 80px 0;
  overflow: hidden;
  position: relative;
}
.banner::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}
.banner-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.banner-left { flex: 1; max-width: 640px; }
.banner-right { flex-shrink: 0; }
.banner h1 {
  font-size: 42px;
  font-weight: 700;
  color: #FFF;
  line-height: 1.3;
  margin-bottom: 16px;
}
.banner .sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  line-height: 1.7;
}
.banner-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.banner-stat-num {
  font-size: 32px;
  font-weight: 700;
  color: #FFF;
  line-height: 1.2;
}
.banner-stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 4px;
}
.banner-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 邀请码卡片（Banner右侧） */
.banner-invite-card {
  background: #FFF;
  border-radius: 12px;
  padding: 0;
  text-align: center;
  min-width: 300px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  overflow: hidden;
  position: relative;
}
.banner-invite-card::before {
  content: '';
  display: block;
  height: 6px;
  background: linear-gradient(90deg, #D4A73E, #E8B842);
}
.invite-card-inner {
  padding: 32px 36px 36px;
}
.invite-card-title {
  font-size: 14px;
  color: #86909C;
  margin-bottom: 16px;
  letter-spacing: 2px;
  font-weight: 500;
}
.invite-card-code {
  font-size: 48px;
  font-weight: 800;
  color: #1D2129;
  letter-spacing: 8px;
  line-height: 1;
  margin-bottom: 8px;
  font-family: 'DIN Alternate', 'Helvetica Neue', Arial, sans-serif;
}
.invite-card-code { cursor: pointer; user-select: all; }
.copy-toast {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  background: rgba(0,0,0,0.75);
  color: #FFF;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 10;
  white-space: nowrap;
}
.copy-toast.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.invite-card-divider {
  width: 40px;
  height: 3px;
  background: var(--brand);
  margin: 16px auto;
  border-radius: 2px;
}
.invite-card-note {
  font-size: 13px;
  color: #86909C;
  margin-bottom: 24px;
  line-height: 1.5;
}
.invite-card-btn {
  display: block;
  background: linear-gradient(135deg, #ffec07 0%, #E8B842 100%);
  color: #0D1E4C;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 0;
  border-radius: 8px;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(212,167,62,0.35);
}
.invite-card-btn:hover {
  color: #0D1E4C;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(13,30,76,0.4);
}

/* =============================================
   锚点导航条 .tabs_index
   ============================================= */
.tabs_index {
  position: sticky;
  top: 60px;
  z-index: 90;
  background: #FFF;
  border-bottom: 1px solid var(--border);
  transition: top 0.3s ease;
}
.tabs_index .w1228 {
  display: flex;
  align-items: center;
}
.tabs_index .span {
  flex-shrink: 0;
}
.tabs_index .span a {
  display: block;
  padding: 16px 24px;
  font-size: 15px;
  color: var(--text-secondary);
  transition: color 0.2s;
  white-space: nowrap;
  position: relative;
}
.tabs_index .span a:hover { color: #071333; }
.tabs_index .span.active a {
  color: #111c3d;
  font-weight: 600;
}
.tabs_index .span.active a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 3px;
  background: #071333;
  border-radius: 2px;
}

/* =============================================
   平台介绍 .ptBox
   ============================================= */
.ptBox {
  background: #FFF;
  padding: 80px 0;
}
.pt-view {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}
.pt-view .content { flex: 1; }
.pt-view .content .desc p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.pt-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #F0F2F9;
  border: 1px solid #9AA5CC;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
}
.ptImage {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.img-main img { width: 260px; border-radius: var(--radius); }
.key-point {
  display: flex;
  gap: 24px;
}
.kp-item { text-align: center; }
.kp-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-dark);
  line-height: 1.2;
}
.kp-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* =============================================
   邀请码 .inviteBox
   ============================================= */
.inviteBox {
  background: var(--bg-page);
  padding: 64px 0;
}
.invite-code-box {
  max-width: 480px;
  margin: 0 auto 32px;
  text-align: center;
  border: 2px dashed var(--brand);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  background: #FFF;
}
.invite-code-label {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.invite-code-value {
  font-size: 52px;
  font-weight: 700;
  color: var(--brand-dark);
  letter-spacing: 8px;
  line-height: 1.2;
  margin-bottom: 12px;
}
.invite-code-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* =============================================
   热门项目 .hotBox
   ============================================= */
.hotBox {
  background: #FFF;
  padding: 64px 0;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.10);
  transform: translateY(-2px);
}
.card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

/* =============================================
   专业服务 .teamBox
   ============================================= */
.teamBox {
  background: var(--bg-page);
  padding: 80px 0;
}
.boxContent {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.crad-item {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.crad-item:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.crad-item .top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.crad-item .icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
  flex-shrink: 0;
}
.crad-item .text {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}
.crad-item .desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* =============================================
   平台数据 .channel
   ============================================= */
.channel {
  background: var(--bg-page);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.contentBox {
  display: flex;
  justify-content: space-around;
  text-align: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 60px;
}
.channel .box { flex: 1; min-width: 200px; }
.channel .num {
  font-size: 28px;
  font-weight: 400;
  color: var(--brand);
  line-height: 1.1;
}
.channel .num .num1 {
  font-size: 72px;
  font-weight: 800;
  letter-spacing: -2px;
}
.channel .box > .title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 12px 0 8px;
  padding: 0;
  border: none;
  text-align: center;
}
.channel .box .desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =============================================
   关于我们 .cliqueBox
   ============================================= */
.cliqueBox {
  background: #FFF;
  padding: 80px 0;
}
.clique {
  max-width: 1228px;
  margin: 0 auto;
  padding: 0 20px;
}
.cliqueBox .intro {
  margin-bottom: 40px;
}
.cliqueBox .intro-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}
.cliqueBox .sub-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.intro-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.stat { text-align: center; }
.stat .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-dark);
  line-height: 1.2;
}
.stat .label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}
.brands-title,
.honors-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 16px;
}
.brands-grid,
.honors-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.brand-tag {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text-secondary);
}
.honor-tag {
  background: #F0F2F9;
  border: 1px solid #9AA5CC;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--brand-dark);
}

/* =============================================
   CTA 横幅 .cta-banner
   ============================================= */
.cta-banner {
  background: var(--brand-gradient);
  padding: 64px 0;
  text-align: center;
  color: #FFF;
}
.cta-banner h2 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 16px;
}
.cta-banner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
}

/* =============================================
   页脚 .footer
   ============================================= */
.footer {
  background: #1D2129;
  color: #FFF;
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand {
  font-size: 20px;
  font-weight: 600;
  color: #FFF;
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.footer h4 {
  font-size: 15px;
  font-weight: 500;
  color: #FFF;
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links li a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links li a:hover { color: #FFF; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* =============================================
   子页面通用样式
   ============================================= */
.section { padding: 64px 0; }
/* 面包屑 — 统一为白底 + .breadcrumb-inner 两层结构 */

/* 文章页 */
.article {
  max-width: 800px;
  margin: 0 auto;
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
}
.article h1 { font-size: 28px; font-weight: 700; margin-bottom: 24px; }
.article h2 { font-size: 22px; font-weight: 600; margin: 32px 0 16px; color: var(--text-primary); }
.article h3 { font-size: 18px; font-weight: 600; margin: 24px 0 12px; color: var(--text-primary); }
.article p { font-size: 16px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 16px; }
.article ul, .article ol { padding-left: 24px; margin-bottom: 16px; }
.article li { font-size: 16px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 8px; }
.article strong { color: var(--text-primary); font-weight: 600; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}
.faq-q:hover { background: var(--bg-page); }
.faq-a {
  padding: 0 24px 18px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  display: none;
}
.faq-item.open .faq-a { display: block; }

/* 步骤 */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px 24px;
  text-align: center;
  position: relative;
  counter-increment: step;
}
.step::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: #FFF;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}
.step h3,
.step h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.step p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.step:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-2px); transition: all 0.2s; }

/* 数据表格 */
.data-table { width: 100%; border-collapse: collapse; background: #FFF; }
.data-table th, .data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.data-table th {
  background: #FAFAFA;
  font-weight: 500;
  color: var(--text-primary);
}
.data-table td { color: var(--text-secondary); }

/* Hero 小版（子页面） */
.hero {
  background: var(--brand-gradient);
  padding: 64px 0;
  color: #FFF;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  pointer-events: none;
}
.hero-inner {
  max-width: 1228px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  z-index: 1;
}
.hero-text { flex: 1; }
.hero-text h1 { font-size: 32px; font-weight: 700; color: #FFF; margin-bottom: 12px; }
.hero-text p,
.hero-text .subtitle { font-size: 16px; color: rgba(255,255,255,0.9); line-height: 1.7; }
.hero-img { flex-shrink: 0; }
.hero-img img { width: 200px; height: 200px; object-fit: contain; display: block; }

/* 子页面 page-hero（关于页用） */
.page-hero {
  background: var(--brand-gradient);
  padding: 64px 0;
  color: #FFF;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: 36px; font-weight: 700; color: #FFF; margin-bottom: 12px; }
.page-hero p { font-size: 16px; color: rgba(255,255,255,0.9); }

/* 下载页 hero 特殊样式 */
.download-hero {
  background: var(--brand-gradient);
  padding: 64px 0;
  color: #FFF;
  overflow: hidden;
  position: relative;
}
.download-hero-inner {
  max-width: 1228px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.download-hero-text { flex: 1; }
.download-hero-text h1 { font-size: 36px; font-weight: 700; color: #FFF; margin-bottom: 12px; }
.download-hero-text p { font-size: 16px; color: rgba(255,255,255,0.9); line-height: 1.7; }
.download-hero-img { flex-shrink: 0; }
.download-hero-img img { width: 260px; height: auto; display: block; }

/* 下载页二维码卡片 */
.download-qr-box {
  flex-shrink: 0;
  background: #FFF;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}
.download-qr-box img {
  width: 220px;
  height: 220px;
  display: block;
  border-radius: 8px;
}
.qr-tip {
  margin-top: 12px;
  font-size: 14px;
  color: #4E5969;
  font-weight: 500;
}

/* 邀请码芯片（下载页文字区） */
.download-code-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.18);
  border: 1px dashed rgba(255,255,255,0.5);
  border-radius: 10px;
  padding: 10px 18px;
  margin-top: 20px;
  position: relative;
  cursor: pointer;
  transition: all 0.2s;
}
.download-code-chip:hover {
  background: rgba(255,255,255,0.25);
  border-color: #FFF;
}
.chip-label {
  font-size: 13px;
  color: rgba(255,255,255,0.85);
}
.chip-code {
  font-size: 28px;
  font-weight: 800;
  color: #FFF;
  letter-spacing: 4px;
  font-family: 'DIN Alternate', 'Helvetica Neue', Arial, sans-serif;
  user-select: all;
}
.chip-copy {
  font-size: 12px;
  color: #FFF;
  background: #0D1E4C;
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 500;
}

/* 推荐tag */
.tag-recommend {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  background: var(--brand-light);
  color: var(--brand-dark);
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

/* 下载页特色提示 */
.download-tips {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.download-tips .tip {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #FFF;
  font-size: 15px;
}
.tip-dot {
  width: 18px;
  height: 18px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}
.tip-dot::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 7px;
  width: 8px;
  height: 4px;
  border-left: 2px solid #FFF;
  border-bottom: 2px solid #FFF;
  transform: rotate(-45deg);
}

@media (max-width: 768px) {
  .hero-inner,
  .download-hero-inner { flex-direction: column; text-align: center; }
  .hero-img img { width: 160px; height: 160px; }
  .download-hero-img img { width: 180px; }
}

/* =============================================
   响应式 768px
   ============================================= */
@media (max-width: 768px) {
  /* 导航 */
  .nav-inner { height: 56px; padding: 0 16px; }
  .nav-logo img { height: 28px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: #FFF;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    z-index: 99;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links li a { display: block; padding: 12px 20px; font-size: 15px; }
  .nav-links li a.active::after { display: none; }
  .nav-links li a.active { color: var(--brand-dark); background: #F0F2F9; }
  .nav-cta {
    margin: 8px 20px;
    padding: 0 !important;
    height: 40px !important;
    line-height: 40px !important;
    min-width: 0 !important;
    display: block !important;
    text-align: center;
  }
  .nav-toggle { display: block; }

  /* Banner */
  .banner { padding: 40px 0 48px; text-align: center; }
  .banner-inner { flex-direction: column; align-items: stretch; gap: 28px; padding: 0 20px; }
  .banner-left { max-width: 100%; }
  .banner h1 { font-size: 26px; line-height: 1.35; margin-bottom: 12px; }
  .banner .sub { font-size: 14px; line-height: 1.6; margin-bottom: 24px; }
  .banner .sub br { display: none; }
  .banner-stats {
    justify-content: space-around;
    gap: 12px;
    margin: 0 0 24px;
    padding: 16px;
    background: rgba(255,255,255,0.12);
    border-radius: 10px;
    backdrop-filter: blur(8px);
  }
  .banner-stats > div { flex: 1; text-align: center; }
  .banner-stat-num { font-size: 22px; }
  .banner-stat-label { font-size: 12px; }
  .banner-btns { flex-direction: column; width: 100%; gap: 10px; }
  .banner-btns .btn {
    width: 100%;
    text-align: center;
    padding: 12px 0 !important;
    font-size: 15px !important;
  }
  /* 邀请码卡片 */
  .banner-invite-card { min-width: 0; width: 100%; max-width: 360px; margin: 0 auto; }
  .invite-card-inner { padding: 24px 24px 28px; }
  .invite-card-code { font-size: 42px; letter-spacing: 6px; }
  .invite-card-title { font-size: 13px; letter-spacing: 1px; }
  .invite-card-note { font-size: 12px; }

  /* tabs_index */
  .tabs_index .w1228 { overflow-x: auto; }
  .tabs_index .span a { padding: 12px 14px; font-size: 13px; }

  /* 面包屑 */
  .breadcrumb-inner { font-size: 12px; padding: 0 16px; }

  /* 区块标题 */
  .ptBox .title .span,
  .teamBox .title .span,
  .cliqueBox .title .span,
  .channel .title .span { font-size: 26px; }
  .ptBox .title .small,
  .teamBox .title .small,
  .cliqueBox .title .small,
  .channel .title .small { font-size: 13px; }

  /* ptBox */
  .ptBox { padding: 48px 0; }
  .pt-view { flex-direction: column; gap: 24px; }
  .ptImage { width: 100%; order: -1; }
  .img-main { text-align: center; }
  .img-main img { width: 200px; margin: 0 auto; }
  .key-point { justify-content: space-around; margin-top: 16px; }
  .kp-num { font-size: 22px; }
  .kp-label { font-size: 12px; }
  .pt-badges { justify-content: center; gap: 8px; }
  .badge { font-size: 12px; padding: 4px 10px; }

  /* 通用网格 */
  .card-grid, .boxContent { grid-template-columns: 1fr !important; gap: 16px; }

  /* crad-item */
  .crad-item { padding: 20px 18px; }

  /* teamBox */
  .teamBox { padding: 48px 0; }

  /* channel */
  .channel { padding: 48px 0; }
  .channel .num { font-size: 44px; }
  .channel .num .num1 { font-size: 44px; letter-spacing: -1px; }
  .contentBox { margin-top: 28px; flex-direction: column; gap: 28px; }

  /* cliqueBox */
  .cliqueBox { padding: 48px 0; }
  .intro-stats { gap: 16px; justify-content: center; flex-wrap: wrap; }

  /* CTA */
  .cta-banner { padding: 40px 20px; }
  .cta-banner h2 { font-size: 22px; }
  .cta-banner p { font-size: 14px; }
  .cta-banner .btn-lg { width: 100%; max-width: 280px; text-align: center; padding: 12px 0 !important; }

  /* 页脚 */
  .footer { padding: 32px 0 16px; }
  .footer-inner { padding: 0 20px; }
  .footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 14px;
  }
  .footer-grid > div:first-child {
    grid-column: 1 / -1;
    margin-bottom: 4px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .footer-brand { font-size: 18px; }
  .footer-desc { font-size: 13px; line-height: 1.6; }
  .footer h4 { font-size: 13px; margin-bottom: 10px; }
  .footer-links li { margin-bottom: 8px; }
  .footer-links a { font-size: 12px; }
  .footer-bottom { padding-top: 16px; font-size: 11px; line-height: 1.6; }

  /* steps */
  .steps { grid-template-columns: 1fr 1fr; gap: 12px; }
  .step { padding: 20px 14px 18px; }
  .step h3, .step h4 { font-size: 14px; }
  .step p { font-size: 12px; }

  /* article */
  .article { padding: 24px 18px; }
  .article h1 { font-size: 22px; }
  .article h2 { font-size: 18px; }
  .article h3 { font-size: 16px; }

  /* 资讯详情页侧栏 */
  .news-detail-layout { flex-direction: column; gap: 16px; }
  .news-sidebar { width: 100%; }
  .news-detail { padding: 28px 20px; border-radius: 8px; }
  .news-detail-title { font-size: 20px; }
  .ns-invite { position: static; }
  .ns-invite-code { font-size: 28px; letter-spacing: 3px; }

  /* 资讯列表 */
  .news-item { flex-direction: row; padding: 12px; gap: 10px; }
  .news-item-cover { width: 110px; height: 80px; flex-shrink: 0; }
  .news-item-title { font-size: 14px; }
  .news-item-summary {
    font-size: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-item-meta { font-size: 11px; }

  /* 下载页二维码 */
  .download-hero-inner { flex-direction: column; gap: 24px; text-align: center; align-items: center; }
  .download-qr-box { padding: 18px; }
  .download-qr-box img { width: 200px; height: 200px; }
  .download-tips { align-items: center; }
  .download-code-chip { margin: 16px auto 0; }
}

/* =============================================
   响应式 480px
   ============================================= */
@media (max-width: 480px) {
  .banner h1 { font-size: 22px; }
  .banner .sub { font-size: 13px; }
  .banner-stat-num { font-size: 20px; }
  .banner-stats { padding: 12px 10px; gap: 8px; }
  .invite-card-code { font-size: 36px; letter-spacing: 4px; }
  .ptBox .title .span,
  .teamBox .title .span,
  .cliqueBox .title .span,
  .channel .title .span { font-size: 22px; }
  .channel .num .num1 { font-size: 38px; }
  .steps { grid-template-columns: 1fr; gap: 12px; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); gap: 16px 10px; }
  .footer-grid h4 { font-size: 12px; }
  .footer-links a { font-size: 11px; }
  .section-title { font-size: 20px; }
  .news-item-cover { width: 90px; height: 70px; }
  .download-qr-box img { width: 180px; height: 180px; }
}

/* =============================================
   新闻/资讯模块
   ============================================= */

/* 新闻列表页 Banner */
.news-banner {
  background: linear-gradient(135deg, #0D1E4C 0%, #071333 100%);
  padding: 48px 0 36px;
  text-align: center;
  color: #FFF;
}
.news-banner h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}
.news-banner p {
  font-size: 16px;
  opacity: 0.85;
}

/* 面包屑 */
.breadcrumb {
  background: #FFF;
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb-inner {
  max-width: 1228px;
  margin: 0 auto;
  padding: 0 20px;
  font-size: 13px;
  color: var(--text-muted);
  list-style: none !important;
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
}
.breadcrumb-inner li {
  display: flex !important;
  align-items: center;
  list-style: none;
}
.breadcrumb-inner li::marker { content: ''; }
.breadcrumb-inner li:not(:last-child)::after {
  content: '›';
  margin: 0 8px;
  color: var(--text-muted);
}
.breadcrumb-inner a {
  color: var(--text-muted);
  transition: color 0.2s;
}
.breadcrumb-inner a:hover { color: var(--brand); }
.breadcrumb-inner li:last-child span[itemprop="name"] {
  color: var(--text-secondary);
}

/* 新闻列表容器 */
.news-page {
  padding: 40px 0 60px;
  background: var(--bg-page);
  min-height: 500px;
}

/* 新闻列表 */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* 单条新闻卡片（左图右文） */
.news-item {
  display: flex;
  gap: 24px;
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
}
.news-item:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  transform: translateY(-2px);
  border-color: #c8e6c9;
}

/* 封面图 */
.news-item-cover {
  width: 200px;
  min-width: 200px;
  height: 130px;
  object-fit: cover;
  border-radius: 6px;
  background: #E6EAF5;
}

/* 右侧文字区 */
.news-item-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

/* 标题 */
.news-item-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 10px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.news-item:hover .news-item-title { color: var(--brand-dark); }

/* 摘要 */
.news-item-summary {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-bottom: 12px;
}

/* 日期+浏览数 */
.news-item-meta {
  font-size: 12px;
  color: #C2C7CE;
  display: flex;
  gap: 16px;
  align-items: center;
}
.news-item-meta svg { vertical-align: middle; margin-right: 3px; }

/* 分页 */
.news-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
}
.news-pagination a,
.news-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-secondary);
  background: #FFF;
  transition: all 0.2s;
}
.news-pagination a:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.news-pagination .active {
  background: var(--brand);
  border-color: var(--brand);
  color: #FFF;
  font-weight: 600;
}

/* ---- 详情页 ---- */
.news-detail-page {
  padding: 40px 0 60px;
  background: var(--bg-page);
}
/* 左正文 + 右侧栏 布局 */
.news-detail-layout {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}
.news-detail-main { flex: 1; min-width: 0; }
.news-sidebar {
  flex-shrink: 0;
  width: 280px;
}

/* 详情页主体 */
.news-detail {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 48px;
}

/* 侧栏通用卡片 */
.ns-card {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  margin-bottom: 16px;
}
.ns-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  padding-left: 10px;
  border-left: 3px solid var(--brand);
  line-height: 1.2;
}

/* 侧栏-邀请码卡片 sticky */
.ns-invite {
  position: sticky;
  top: 80px;
  background: #FFF;
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(13,30,76,0.1);
}
.ns-invite::before {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(90deg, #D4A73E, #E8B842);
}
.ns-invite-inner {
  padding: 18px 18px 20px;
  text-align: center;
}
.ns-invite-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.ns-invite-code {
  font-size: 32px;
  font-weight: 800;
  color: #1D2129;
  letter-spacing: 4px;
  line-height: 1;
  padding: 10px 12px;
  background: #F0F2F9;
  border: 1px dashed #1A2B5F;
  border-radius: 6px;
  font-family: 'DIN Alternate', Arial, sans-serif;
  cursor: pointer;
  user-select: all;
  margin-bottom: 10px;
  display: block;
}
.ns-invite-tip {
  font-size: 12px;
  color: #86909C;
  margin-bottom: 14px;
}
.ns-invite-tip strong { color: #0D1E4C; }
.ns-invite-btn {
  display: block;
  background: var(--brand-gradient);
  color: #FFF;
  padding: 10px 0;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(13,30,76,0.25);
  transition: all 0.15s;
}
.ns-invite-btn:hover { color: #FFF; filter: brightness(1.05); }
.ns-invite-toast {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  background: rgba(29,33,41,0.9);
  color: #FFF;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  white-space: nowrap;
  z-index: 5;
}
.ns-invite-toast.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* 侧栏-热门文章 */
.ns-hot-list { list-style: none; padding: 0; margin: 0; }
.ns-hot-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed #F0F1F3;
}
.ns-hot-list li:last-child { border-bottom: none; }
.ns-hot-num {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: #F2F3F5;
  color: #86909C;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.ns-hot-list li:nth-child(1) .ns-hot-num { background: #FF4D4F; color: #FFF; }
.ns-hot-list li:nth-child(2) .ns-hot-num { background: #0D1E4C; color: #FFF; }
.ns-hot-list li:nth-child(3) .ns-hot-num { background: #FFC107; color: #FFF; }
.ns-hot-list a {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  transition: color 0.15s;
}
.ns-hot-list a:hover { color: var(--brand); }

/* 侧栏-标签云 */
.ns-tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.ns-tag {
  font-size: 12px;
  color: var(--text-secondary);
  background: #F7F8FA;
  border: 1px solid #E5E6EB;
  padding: 4px 10px;
  border-radius: 3px;
  transition: all 0.15s;
}
.ns-tag:hover {
  background: var(--brand-light);
  border-color: var(--brand);
  color: var(--brand-dark);
}

@media (max-width: 1024px) {
  .news-detail-layout { flex-direction: column; }
  .news-sidebar { width: 100%; }
  .ns-invite { position: static; }
}

/* 详情标题 */
.news-detail-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 16px;
}

/* 元信息 */
.news-detail-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  gap: 20px;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

/* 正文 */
.news-detail-body {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-secondary);
}
.news-detail-body p {
  margin-bottom: 18px;
}
.news-detail-body img {
  width: 100%;
  border-radius: var(--radius);
  margin: 16px 0;
}
.news-detail-body h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 28px 0 12px;
}

/* 相关推荐 */
.news-related {
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-top: 20px;
}
.news-related-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  padding-left: 10px;
  border-left: 3px solid var(--brand);
  line-height: 1.2;
  margin-bottom: 18px !important;
  margin-bottom: 12px;
  padding-left: 10px;
  border-left: 3px solid var(--brand);
}
.news-related-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.news-related-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #FFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: box-shadow 0.2s;
  color: var(--text-primary);
  font-size: 14px;
}
.news-related-item:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  color: var(--brand-dark);
  border-color: #c8e6c9;
}
.news-related-item-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: auto;
}

/* 新闻响应式 */
@media (max-width: 768px) {
  .news-item { flex-direction: column; gap: 14px; }
  .news-item-cover { width: 100%; min-width: unset; height: 180px; }
  .news-banner h1 { font-size: 24px; }
  .news-detail { padding: 24px 16px; }
  .news-detail-title { font-size: 20px; }
}
@media (max-width: 480px) {
  .news-detail-meta { flex-direction: column; gap: 6px; align-items: flex-start; }
}

/* =============================================
   下载页 hero 高度对齐首页 banner（padding 80px，min-height）
   ============================================= */
/* 下载页 download-hero 高度对齐首页 banner */
.download-hero {
  padding: 80px 0;
}
.download-hero-inner {
  align-items: center;
}
.download-qr-box { padding: 20px; }
.download-qr-box img { width: 220px; height: 220px; }
.download-hero-text .download-tips { margin-top: 16px; }

/* =============================================
   右侧悬浮三步引导 .side-guide
   ============================================= */
.side-guide {
  position: fixed;
  right: 20px;
  bottom: 30px;
  z-index: 80;
  width: 236px;
  background: #FFF;
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid #EFF0F2;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateX(30px);
  transition: opacity 0.3s, transform 0.3s;
}
.side-guide.visible { opacity: 1; pointer-events: auto; transform: translateX(0); }
.side-guide.hidden { opacity: 0; pointer-events: none; transform: translateX(30px); }

/* 顶部栏 */
.sg-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: linear-gradient(135deg, #00C853 0%, #43A047 100%);
  color: #FFF;
  position: relative;
}
.sg-head-badge {
  font-size: 11px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.22);
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 1px;
}
.sg-head-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  flex: 1;
}
.sg-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
  transition: color 0.15s;
}
.sg-close:hover { color: #FFF; }

/* 主体 */
.sg-body-wrap { padding: 14px 14px 16px; }
.sg-step + .sg-step { margin-top: 14px; padding-top: 14px; border-top: 1px dashed #F0F1F3; }
.sg-step-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.sg-num {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #00C853;
  color: #FFF;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.sg-num-done { background: #00A344; font-size: 13px; }
.sg-step-title {
  font-size: 13px;
  font-weight: 600;
  color: #1D2129;
}

/* 邀请码高亮框 */
.sg-code-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #ECFDF5;
  border: 1px dashed #00C853;
  border-radius: 6px;
  padding: 6px 8px;
}
.sg-code {
  flex: 1;
  font-size: 18px;
  font-weight: 800;
  color: #1D2129;
  letter-spacing: 3px;
  cursor: pointer;
  user-select: all;
  font-family: 'DIN Alternate', 'Helvetica Neue', Arial, sans-serif;
  text-align: center;
}
.sg-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: linear-gradient(135deg, #FF8C00, #FFA940);
  color: #FFF;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.sg-copy-btn:hover { filter: brightness(1.05); box-shadow: 0 3px 10px rgba(255,140,0,0.4); }
.sg-copy-btn svg { flex-shrink: 0; }

/* 注册按钮 */
.sg-reg-btn {
  display: block;
  text-align: center;
  background: linear-gradient(135deg, #00C853 0%, #43A047 100%);
  color: #FFF !important;
  padding: 8px 0;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: all 0.15s;
  box-shadow: 0 2px 8px rgba(0,200,83,0.3);
}
.sg-reg-btn:hover { filter: brightness(1.05); box-shadow: 0 4px 14px rgba(0,200,83,0.45); }

/* 奖励提示 */
.sg-reward {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #4E5969;
  line-height: 1.4;
}
.sg-reward-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FF8C00;
  flex-shrink: 0;
}

/* toast */
.sg-toast {
  position: absolute;
  left: 50%;
  top: -36px;
  transform: translateX(-50%) scale(0.85);
  background: rgba(29, 33, 41, 0.92);
  color: #FFF;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s;
  white-space: nowrap;
  font-weight: 500;
}
.sg-toast.show { opacity: 1; transform: translateX(-50%) scale(1); }

@media (max-width: 900px) { .side-guide { display: none; } }