/* ===================================
   NETVIBE 网脉 - 公共样式表
   配色方案取自国旗：红、白、黄、黑
   主色: #DE0F17 (国旗红 - 浓烈正红)
   深红: #9B0000 (暗红 - 稳重底色)
   亮红: #FF1A1A (鲜红 - 强调活力)
   金黄: #FFD700 (国旗黄 - 数据高亮)
   纯黑: #1A1A1A (文字 - 沉稳有力)
   背景: #FFFFFF (纯白)
   浅灰: #F5F5F5 (区块分隔)
   =================================== */

:root {
  --primary: #DE0F17;
  --primary-dark: #9B0000;
  --primary-light: #FF1A1A;
  --accent: #FFD700;
  --accent-bright: #FFE03B;
  --bg-light: #FAFAFA;
  --bg-tint: #FFF8E8;
  --gray: #E0E0E0;
  --gray-dark: #757575;
  --gray-light: #F5F5F5;
  --text: #1A1A1A;
  --text-light: #555555;
  --white: #FFFFFF;
  --black: #1A1A1A;
  --shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.12);
  --radius: 4px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

a:hover {
  color: var(--primary-dark);
}

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

ul, ol {
  list-style: none;
}

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

.section-bg {
  background: var(--bg-light);
}

.section-tint {
  background: var(--bg-tint);
}

.section-dark {
  background: var(--black);
  color: var(--white);
}

/* Typography - 大器简约，黑色标题为主 */
.section-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--black);
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-title.white {
  color: var(--white);
}

.section-subtitle.white {
  color: rgba(255, 255, 255, 0.8);
}

/* Divider - 红色粗线条，简洁有力 */
.title-divider {
  width: 60px;
  height: 4px;
  background: var(--primary);
  margin: 0 auto 48px;
  border-radius: 0;
}

/* Buttons - 简洁有力，红色主CTA */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(222, 15, 23, 0.35);
}

.btn-accent {
  background: var(--accent);
  color: var(--black);
  font-weight: 800;
}

.btn-accent:hover {
  background: var(--accent-bright);
  color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  font-weight: 700;
}

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

.btn-white {
  background: var(--white);
  color: var(--primary);
  font-weight: 700;
}

.btn-white:hover {
  background: var(--bg-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-lg {
  padding: 18px 52px;
  font-size: 1.1rem;
}

/* Header - 白底稳重，黑色导航文字 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  z-index: 1000;
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-area img {
  height: 70px;
  width: auto;
  display: block;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 2px;
}

.logo-text span {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 1px;
  display: block;
}

/* Main Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--black);
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: transparent;
  border-bottom: 3px solid var(--primary);
  border-radius: 0;
}

.nav-link .arrow {
  font-size: 0.7rem;
  transition: var(--transition);
}

.nav-item:hover .arrow {
  transform: rotate(180deg);
}

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 10px 20px;
  font-size: 0.875rem;
  color: var(--text);
  transition: var(--transition);
}

.nav-dropdown a:hover {
  background: var(--bg-tint);
  color: var(--primary);
  padding-left: 26px;
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header {
  padding: 10px 24px;
  font-size: 0.875rem;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: var(--transition);
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 90px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  overflow-y: auto;
  padding: 20px;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--gray-light);
}

.mobile-nav-item > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.mobile-nav-item > a:hover {
  color: var(--primary);
}

.mobile-nav-sub {
  display: none;
  padding: 0 0 10px 20px;
}

.mobile-nav-item.open .mobile-nav-sub {
  display: block;
}

.mobile-nav-sub a {
  display: block;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-light);
}

.mobile-nav-sub a:hover {
  color: var(--primary);
}

/* Page Banner - 红底白字，简洁有力 */
.page-banner {
  margin-top: 90px;
  padding: 60px 0;
  background: var(--primary);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
  background-size: 200px;
  opacity: 0.5;
}

.page-banner h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.page-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  position: relative;
}

.page-banner-1 {
  margin-top: 120px;
  padding: 90px 0;
  background: var(--white);
  color: var(--black);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner-1::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
  background-size: 300px;
  opacity: 0.5;
}

.page-banner-1 h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.page-banner-1 p {
  font-size: 1.1rem;
  opacity: 0.9;
  position: relative;
}




.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 0.875rem;
  position: relative;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
  color: var(--white);
}

.breadcrumb span {
  opacity: 0.6;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card-body {
  padding: 28px;
}

/* Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

/* Feature Icon - 红色方块图标 */
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
  transition: var(--transition);
  color: var(--white);
}

.card:hover .feature-icon {
  background: var(--black);
  color: var(--white);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--white);
  transition: var(--transition);
}

.card:hover .feature-icon svg {
  stroke: var(--white);
}

/* Stats - 超大数字，黄色高亮 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 8px;
  text-shadow: 0 2px 10px rgba(255, 215, 0, 0.2);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-light);
  font-weight: 500;
}

/* Footer - 纯黑底色 */
.site-footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 40px;
}

.footer-brand img {
  height: 120px;
  width: auto;
  display: block;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.85);
}

.footer-brand .slogan {
  font-size: 1.6rem;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 3px;
}

.footer-contact h4 {
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 12px;
  line-height: 1.6;
}

.footer-contact p svg {
  flex-shrink: 0;
  opacity: 0.9;
}

.footer-qr-codes {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.footer-qr-codes .qr-item {
  text-align: center;
}

.footer-qr-codes .qr-placeholder {
  width: 110px;
  height: 110px;
  background: rgba(255, 255, 255, 0.12);
  border: 2px dashed rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
}

.footer-qr-codes p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: inherit;
  text-decoration: none;
  margin-left: 4px;
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

/* Scroll animation */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-brand img {
    height: 100px;
  }
  
  .footer-qr-codes {
    justify-content: flex-start;
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .main-nav,
  .header-cta {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .section {
    padding: 48px 0;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .page-banner h1 {
    font-size: 1.8rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer-brand img {
    height: 90px;
    margin: 0 auto;
  }

  .footer-qr-codes {
    justify-content: center;
  }
  
  .footer-brand {
    grid-column: 1 / -1;
  }
  
  .footer-contact p {
    justify-content: center;
  }
  
  .btn {
    padding: 12px 28px;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 16px;
  }
}

/* ============================================
   同道登录/注册弹窗 - 网脉品牌配色
   ============================================ */
.auth-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  padding: 20px;
}
.auth-modal-overlay.show {
  display: flex;
}
.auth-modal {
  background: var(--white);
  border-radius: 16px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
  animation: authModalIn 0.3s ease;
  position: relative;
}
@keyframes authModalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.auth-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--bg-light);
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
}
.auth-modal-close:hover {
  background: var(--primary);
  color: var(--white);
}
.auth-modal-header {
  text-align: center;
  padding: 36px 36px 0;
}
.auth-modal-header h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.auth-modal-header .auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-light);
}
.auth-modal-body {
  padding: 28px 36px 36px;
}
.auth-form-group {
  margin-bottom: 18px;
}
.auth-form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text);
  margin-bottom: 6px;
  font-weight: 600;
}
.auth-form-group label .required {
  color: var(--primary);
  margin-left: 2px;
}
.auth-form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray);
  border-radius: 10px;
  font-size: 0.95rem;
  color: var(--text);
  transition: var(--transition);
  background: var(--white);
  font-family: inherit;
}
.auth-form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(222, 15, 23, 0.08);
}
.auth-form-group input::placeholder {
  color: #aaa;
  font-size: 0.9rem;
}
.auth-btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 2px;
  margin-top: 8px;
}
.auth-btn-submit:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(222, 15, 23, 0.3);
}
.auth-btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}
.auth-error {
  background: #FFEBEE;
  color: var(--primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
  border-left: 3px solid var(--primary);
}
.auth-error.show {
  display: block;
}
.auth-success {
  background: #E8F5E9;
  color: #2E7D32;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
  border-left: 3px solid #2E7D32;
}
.auth-success.show {
  display: block;
}
/* 提交成功醒目面板 */
.apply-success-panel {
  display: none;
  text-align: center;
  padding: 48px 32px 40px;
  animation: successFadeIn 0.5s ease;
}
.apply-success-panel.show {
  display: block;
}
.apply-success-panel .success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, #2E7D32 0%, #43A047 100%);
  color: white;
  font-size: 2.4rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(46, 125, 50, 0.35);
  animation: successPop 0.4s ease 0.1s both;
}
.apply-success-panel h3 {
  font-size: 1.5rem;
  color: #2E7D32;
  margin: 0 0 12px;
  font-weight: 700;
}
.apply-success-panel p {
  font-size: 0.95rem;
  color: #555;
  margin: 0 0 6px;
  line-height: 1.6;
}
.apply-success-panel .success-sub {
  font-size: 0.82rem;
  color: #999;
  margin-top: 8px;
}
@keyframes successFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes successPop {
  0% { transform: scale(0); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}
.auth-modal-footer {
  text-align: center;
  padding: 0 36px 28px;
  font-size: 0.85rem;
  color: var(--text-light);
}
.auth-modal-footer a {
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
}
.auth-modal-footer a:hover {
  text-decoration: underline;
}
.auth-modal-footer .divider {
  margin: 0 10px;
  color: var(--gray);
}

/* 入会申请弹窗（复用 auth-modal 基础结构） */
.apply-modal { max-width: 580px; max-height: 85vh; overflow-y: auto; }
.apply-modal .auth-modal-header { padding: 28px 28px 0; }
.apply-modal .auth-modal-header h3 { font-size: 1.3rem; }
.apply-modal .auth-modal-body { padding: 20px 28px 28px; }
.auth-form-group select,
.auth-form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--gray);
  border-radius: 10px; font-size: 0.9rem; font-family: inherit;
  color: var(--text); background: white; transition: var(--transition);
  box-sizing: border-box;
}
.auth-form-group select:focus,
.auth-form-group textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(222, 15, 23, 0.08);
}
.auth-form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.auth-form-group textarea { resize: vertical; min-height: 80px; line-height: 1.6; }
.auth-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.auth-form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media(max-width:480px){ .auth-form-row, .auth-form-row-3 { grid-template-columns: 1fr; } .apply-modal { max-width: 95vw; } }

/* 头部同道区域 */
.header-member {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}
.header-member .member-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  transition: var(--transition);
}
.header-member .member-name:hover {
  background: var(--bg-tint);
}
.header-member .member-name .avatar {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.header-member .member-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 101;
}
.header-member:hover .member-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.header-member .member-dropdown a,
.header-member .member-dropdown button {
  display: block;
  width: 100%;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--text);
  text-align: left;
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.header-member .member-dropdown a:hover,
.header-member .member-dropdown button:hover {
  background: var(--bg-tint);
  color: var(--primary);
}
.btn-login-header {
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  background: transparent;
  border: 1.5px solid var(--primary);
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-login-header:hover {
  background: var(--primary);
  color: var(--white);
}

@media (max-width: 768px) {
  .auth-modal {
    max-width: 100%;
    border-radius: 12px;
  }
  .auth-modal-header {
    padding: 24px 24px 0;
  }
  .auth-modal-body {
    padding: 20px 24px 24px;
  }
  .auth-modal-footer {
    padding: 0 24px 20px;
  }
  .btn-login-header {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
}

/* ===================================
   mod-icon 图标系统（替代 emoji，兼容 MySQL 5.5 utf8）
   全部使用 3 字节以内 Unicode，纯 CSS 实现
   =================================== */

[class*="mod-icon-"] {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.4em; height: 1.4em;
  font-style: normal; font-size: inherit; vertical-align: middle;
}
.mod-icon-bldg::before { content: "\2302"; font-size:1.1em; color:#DE0F17; }
.mod-icon-chart::before { content: "\2592\2592\2592"; letter-spacing:-3px; color:#DE0F17; font-weight:bold; }
.mod-icon-doc::before { content: "\270E"; font-size:1.15em; color:#DE0F17; }
.mod-icon-money::before { content: "\00A5"; font-size:1.3em; color:#FFD700; font-weight:bold; }
.mod-icon-money { border:2px solid #FFD700; border-radius:50%; width:1.4em; height:1.4em; }
.mod-icon-scale::before { content: "\2696"; font-size:1.15em; color:#DE0F17; }
.mod-icon-link::before { content: "\279A"; font-size:1.15em; color:#DE0F17; }
.mod-icon-handshake::before { content: "\261E\261C"; letter-spacing:-2px; color:#DE0F17; }
.mod-icon-check::before { content: "\2713"; color:#28a745; font-weight:bold; font-size:1.3em; }
.mod-icon-cross::before { content: "\2717"; color:#dc3545; font-weight:bold; font-size:1.3em; }
.mod-icon-warn::before { content: "\26A0"; color:#FFD700; font-size:1.35em; }
.mod-icon-edit::before { content: "\270D"; font-size:1.15em; color:#DE0F17; }
.mod-icon-target::before { content: "\2297"; font-size:1.2em; color:#DE0F17; }
.mod-icon-target { border:2px solid #DE0F17; border-radius:50%; }
.mod-icon-trophy::before { content: "\2605\2605"; letter-spacing:-2px; color:#FFD700; font-size:0.9em; }
.mod-icon-users::before { content: "\263A\263B"; color:#DE0F17; }
.mod-icon-user::before { content: "\263A"; color:#DE0F17; }
.mod-icon-refresh::before { content: "\21BB"; font-size:1.25em; color:#DE0F17; }
.mod-icon-up::before { content: "\2191"; font-size:1.25em; color:#28a745; font-weight:bold; }
.mod-icon-down::before { content: "\2193"; font-size:1.25em; color:#dc3545; font-weight:bold; }
.mod-icon-lock::before { content: "\1F512"; font-size:1em; }
.mod-icon-unlock::before { content: "\1F513"; font-size:1em; }
.mod-icon-star::before { content: "\2605"; color:#FFD700; font-size:1.15em; }
.mod-icon-lightbulb::before { content: "\2606"; color:#FFD700; font-size:1.2em; }
.mod-icon-rocket::before { content: "\21AA"; font-size:1.2em; color:#DE0F17; }
.mod-icon-pin::before { content: "\25CE"; color:#DE0F17; font-size:1.1em; }
.mod-icon-folder::before { content: "\1F4C2"; font-size:1em; }
.mod-icon-box::before { content: "\1F4E6"; font-size:1em; }
.mod-icon-search::before { content: "\1F50D"; font-size:1em; }
.mod-icon-chat::before { content: "\1F4AC"; font-size:1em; }
.mod-icon-globe::before { content: "\1F310"; font-size:1em; }
.mod-icon-calendar::before { content: "\1F4C5"; font-size:1em; }
.mod-icon-clock::before { content: "\23F0"; font-size:1.2em; }
.mod-icon-location::before { content: "\1F4CD"; font-size:1em; color:#dc3545; }
.mod-icon-mail::before { content: "\2709"; font-size:1.2em; color:#DE0F17; }
.mod-icon-phone::before { content: "\260E"; font-size:1.2em; color:#28a745; }
.mod-icon-bell::before { content: "\1F514"; font-size:1em; }
.mod-icon-card::before { content: "\1F4B3"; font-size:1em; }
.mod-icon-medal::before { content: "\2605\272A"; color:#FFD700; font-size:1em; }
.mod-icon-archive::before { content: "\1F5C4"; font-size:1em; }
.mod-icon-flash::before { content: "\26A1"; font-size:1.35em; color:#FFD700; }
.mod-icon-shield::before { content: "\1F6E1"; font-size:1em; color:#DE0F17; }

/* 图标在卡片中的放大适配 */
.credit-system .module-card .mod-icon,
.referral-system .layer-card .mod-icon,
.referral-system .step-item .mod-icon {
  font-size: 2rem !important; width: 2.5rem; height: 2.5rem;
}
.credit-system .module-card .mod-icon::before,
.referral-system .layer-card .mod-icon::before,
.referral-system .step-item .mod-icon::before {
  font-size: 2rem !important;
}

/* ============================================================
   数据展示组件（Data Components）
   供 netvibe-data.php / referral-data.php / articles content 共用
   ============================================================ */
.data-section { padding: 64px 0; }

/* 核心指标卡片（referral-data.php） */
.highlight-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 32px; }
.h-stat { background: white; border-radius: var(--radius-lg); padding: 32px 24px; text-align: center; box-shadow: var(--shadow); border-top: 4px solid var(--accent); transition: var(--transition); }
.h-stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.h-stat .icon { font-size: 2rem; margin-bottom: 12px; }
.h-stat .num { font-size: 2.4rem; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.h-stat .lbl { font-size: 0.85rem; color: var(--text-light); }
.h-stat .sub { font-size: 0.7rem; color: var(--accent); margin-top: 4px; }

/* 核心指标卡片（netvibe-data.php 大卡片） */
.big-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 32px; }
.big-stat-card { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; border-radius: var(--radius-lg); padding: 36px 24px; text-align: center; position: relative; overflow: hidden; }
.big-stat-card::before { content: ''; position: absolute; top: -30px; right: -30px; width: 100px; height: 100px; background: rgba(255,255,255,0.05); border-radius: 50%; }
.big-stat-card .num { font-size: 3rem; font-weight: 800; color: var(--accent); margin-bottom: 8px; position: relative; }
.big-stat-card .label { font-size: 0.9rem; color: rgba(255,255,255,0.8); position: relative; }
.big-stat-card .sub { font-size: 0.75rem; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* 图表卡片 */
.chart-card { background: white; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); margin-top: 32px; }
.chart-card h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 4px; }
.chart-card .desc { font-size: 0.8rem; color: var(--text-light); margin-bottom: 24px; }

/* 横向条形图 */
.bar-chart { display: flex; flex-direction: column; gap: 14px; }
.bar-row { display: flex; align-items: center; gap: 16px; }
.bar-label { width: 110px; font-size: 0.85rem; color: var(--text); flex-shrink: 0; }
.bar-track { flex: 1; height: 36px; background: var(--bg-light); border-radius: 6px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%); border-radius: 6px; display: flex; align-items: center; justify-content: flex-end; padding-right: 12px; color: white; font-size: 0.8rem; font-weight: 600; transition: width 1.5s ease; }

/* 环形图 */
.donut-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.donut-card { text-align: center; }
.donut { width: 200px; height: 200px; border-radius: 50%; margin: 0 auto 20px; position: relative; display: flex; align-items: center; justify-content: center; }
.donut::before { content: ''; position: absolute; inset: 30px; background: white; border-radius: 50%; }
.donut-content { position: relative; z-index: 1; }
.donut-content .pct { font-size: 2rem; font-weight: 800; color: var(--primary); }
.donut-content .lbl { font-size: 0.8rem; color: var(--text-light); }
.donut-legend { display: flex; flex-direction: column; gap: 8px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--text-light); }
.legend-dot { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; }

/* 趋势卡片 */
.trend-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 32px; }
.trend-card { background: white; border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow); text-align: center; }
.trend-card .period { font-size: 0.8rem; color: var(--text-light); margin-bottom: 12px; }
.trend-card .amount { font-size: 1.8rem; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
.trend-card .change { font-size: 0.8rem; }
.trend-card .change.up { color: #2d8a4e; }
.trend-card .change.down { color: #c0392b; }

/* ROI 盒子 */
.roi-box { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; padding: 48px; border-radius: var(--radius-lg); text-align: center; margin-top: 32px; }
.roi-box h3 { font-size: 1.4rem; margin-bottom: 24px; }
.roi-compare { display: flex; justify-content: center; align-items: center; gap: 60px; }
.roi-item { text-align: center; }
.roi-item .lbl { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 8px; }
.roi-item .val { font-size: 2.5rem; font-weight: 800; }
.roi-item .val.cost { color: rgba(255,255,255,0.6); }
.roi-item .val.gain { color: var(--accent); }
.roi-arrow { font-size: 2rem; color: rgba(255,255,255,0.4); }
.roi-result { margin-top: 24px; font-size: 1.2rem; }
.roi-result strong { color: var(--accent); font-size: 1.5rem; }

/* 行业分布网格（netvibe-data.php） */
.industry-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 32px; }
.industry-item { padding: 20px; background: var(--bg-light); border-radius: var(--radius); text-align: center; transition: var(--transition); }
.industry-item:hover { background: var(--primary); color: white; transform: translateY(-2px); }
.industry-item:hover .ind-count { color: var(--accent); }
.industry-item .ind-name { font-size: 0.85rem; margin-bottom: 6px; }
.industry-item .ind-count { font-size: 1.4rem; font-weight: 700; color: var(--primary); }
.industry-item .ind-unit { font-size: 0.7rem; color: var(--text-light); }
.industry-item:hover .ind-unit { color: rgba(255,255,255,0.6); }

/* 增长时间轴（netvibe-data.php） */
.growth-timeline { display: flex; justify-content: space-between; align-items: flex-end; height: 200px; margin-top: 32px; padding: 0 20px; position: relative; }
.growth-timeline::before { content: ''; position: absolute; bottom: 30px; left: 0; right: 0; height: 2px; background: var(--bg-tint); }
.growth-bar { display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 1; }
.growth-bar-fill { width: 60%; max-width: 80px; background: linear-gradient(180deg, var(--accent) 0%, var(--primary) 100%); border-radius: 8px 8px 0 0; transition: height 1.5s ease; min-height: 10px; position: relative; }
.growth-bar-fill .val { position: absolute; top: -24px; left: 50%; transform: translateX(-50%); font-size: 0.8rem; font-weight: 700; color: var(--primary); white-space: nowrap; }
.growth-bar-label { font-size: 0.8rem; color: var(--text-light); }

/* 收益卡片（netvibe-data.php） */
.profit-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 32px; }
.profit-card { background: white; border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow); border-top: 4px solid var(--accent); }
.profit-card h4 { font-size: 1rem; color: var(--primary); margin-bottom: 8px; }
.profit-card .amount { font-size: 1.8rem; font-weight: 800; color: var(--accent); margin-bottom: 8px; }
.profit-card p { font-size: 0.8rem; color: var(--text-light); }

@media(max-width:768px){
  .highlight-stats, .big-stats { grid-template-columns: repeat(2,1fr); }
  .donut-grid { grid-template-columns: 1fr; }
  .trend-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2,1fr); }
  .profit-grid { grid-template-columns: 1fr; }
  .roi-compare { flex-direction: column; gap: 20px; }
  .bar-label { width: 80px; font-size: 0.75rem; }
  .donut { width: 160px; height: 160px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-metrics { grid-template-columns: repeat(3,1fr); }
  .summary-stats { grid-template-columns: repeat(2,1fr); }
}

/* ===================================
   success-cases.php 同道成功案例
   =================================== */
.case-section { padding: 64px 0; }
.case-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 32px; margin-top: 32px; }
.case-card { background: white; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.case-header { padding: 24px 28px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; display: flex; align-items: center; gap: 16px; }
.case-avatar { width: 56px; height: 56px; border-radius: 50%; background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 700; flex-shrink: 0; border: 2px solid rgba(255,255,255,0.2); }
.case-info h3 { font-size: 1.1rem; margin-bottom: 4px; }
.case-info .industry { font-size: 0.8rem; color: rgba(255,255,255,0.7); }
.case-body { padding: 28px; }
.case-body .quote { font-size: 0.95rem; color: var(--text); line-height: 1.9; margin-bottom: 20px; font-style: italic; position: relative; padding-left: 20px; }
.case-body .quote::before { content: '\201C'; position: absolute; left: -4px; top: -8px; font-size: 2rem; color: var(--accent); font-family: Georgia, serif; }
.case-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 16px; }
.case-metric { text-align: center; padding: 12px; background: var(--bg-light); border-radius: 8px; }
.case-metric .val { font-size: 1.2rem; font-weight: 700; color: var(--primary); }
.case-metric .lbl { font-size: 0.7rem; color: var(--text-light); }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tag { padding: 4px 10px; background: var(--bg-tint); color: var(--primary); border-radius: 4px; font-size: 0.7rem; }
.case-detail { font-size: 0.85rem; color: var(--text-light); line-height: 1.8; padding: 16px; background: var(--bg-light); border-radius: 8px; margin-top: 16px; border-left: 3px solid var(--accent); }
.summary-box { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; padding: 40px; border-radius: var(--radius-lg); text-align: center; margin-top: 48px; }
.summary-box h3 { font-size: 1.4rem; margin-bottom: 24px; }
.summary-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.summary-stat { text-align: center; }
.summary-stat .num { font-size: 2.2rem; font-weight: 800; color: var(--accent); margin-bottom: 4px; }
.summary-stat .lbl { font-size: 0.85rem; color: rgba(255,255,255,0.8); }

/* ===================================
   peers.php 同道展区
   =================================== */
.peer-tabs { display: flex; gap: 12px; justify-content: center; margin: 40px 0 12px; flex-wrap: wrap; padding: 0 16px; }
.peer-tabs a { display: inline-block; padding: 10px 30px; border-radius: 30px; font-size: 0.9rem; color: var(--text-light); cursor: pointer; transition: var(--transition); background: white; border: 2px solid var(--gray-light); font-weight: 500; text-decoration: none; }
.peer-tabs a:hover { border-color: var(--primary); color: var(--primary); }
.peer-tabs a.active { background: var(--primary); color: white; border-color: var(--primary); }

.peer-section { padding: 40px 0 72px; }
.peer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 28px; }
.peer-card { display: block; background: white; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); text-decoration: none; color: inherit; }
.peer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.peer-cover-wrap { width: 100%; height: 220px; overflow: hidden; }
.peer-cover { width: 100%; height: 220px; object-fit: cover; display: block; transition: transform .4s ease; }
.peer-card:hover .peer-cover { transform: scale(1.04); }
.peer-cover-fallback { width: 100%; height: 220px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: white; font-size: 4rem; font-weight: 800; letter-spacing: 2px; }
.peer-body { padding: 22px 24px 26px; }
.peer-body h3 { font-size: 1.15rem; font-weight: 700; color: var(--black); margin-bottom: 10px; }
.peer-summary { font-size: 0.88rem; color: var(--text-light); line-height: 1.8; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 3.2em; }
.peer-more { display: inline-block; font-size: 0.82rem; font-weight: 600; color: var(--primary); border-bottom: 2px solid var(--primary); padding-bottom: 2px; }
.peer-empty { text-align: center; padding: 80px 20px; color: var(--text-light); font-size: 1rem; }

@media(max-width: 992px){
  .peer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width: 768px){
  .peer-grid { grid-template-columns: 1fr; }
  .peer-tabs a { padding: 8px 20px; font-size: 0.82rem; }
}