/* ============================
   毛赏官网 - 全站样式表
   配色：深蓝 #0A1628 + 金色 #D4AF37 + 白
   ============================ */

/* 全局重置 */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-dark: #0A1628;
  --bg-dark2: #0D1E35;
  --bg-card: #111F38;
  --gold: #D4AF37;
  --gold-light: #F0D060;
  --gold-dark: #B8962E;
  --white: #FFFFFF;
  --gray-light: #E8EDF5;
  --gray: #8A9BB5;
  --gray-dark: #4A5A7A;
  --text: #C8D4E8;
  --border: rgba(212,175,55,0.2);
  --shadow: rgba(0,0,0,0.3);
}

html { scroll-behavior: smooth; }

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

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10,22,40,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 1px;
}

.logo img {
  height: 36px;
  width: auto;
  filter: drop-shadow(0 0 6px rgba(212,175,55,0.4));
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}

.nav-links a {
  color: var(--gray);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  transition: all 0.25s;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--gold);
  background: rgba(212,175,55,0.08);
}

.nav-btn {
  padding: 9px 22px;
  font-size: 14px;
  margin-left: 8px;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--gold);
  font-size: 22px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}

/* 移动菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: rgba(10,22,40,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  padding: 16px;
}

.mobile-menu ul { list-style: none; }
.mobile-menu a {
  display: block;
  color: var(--text);
  text-decoration: none;
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-menu a:hover { color: var(--gold); background: rgba(212,175,55,0.08); }
.mobile-menu .btn-primary { text-align: center; margin-top: 10px; }

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--bg-dark);
  padding: 11px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(212,175,55,0.3);
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  box-shadow: 0 6px 24px rgba(212,175,55,0.5);
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--gold);
  padding: 11px 28px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid var(--gold);
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.btn-outline:hover {
  background: rgba(212,175,55,0.1);
  box-shadow: 0 0 20px rgba(212,175,55,0.2);
}

.btn-lg { padding: 14px 36px; font-size: 17px; }
.btn-full { width: 100%; }

/* 通用区块 */
.section { padding: 80px 0; }
.section-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  font-size: 13px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 10px;
  font-family: 'Arial', sans-serif;
}
.section-title {
  font-size: 38px;
  color: var(--white);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--gray);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding: 0 24px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(212,175,55,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(33,150,243,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(212,175,55,0.04) 0%, transparent 60%),
    linear-gradient(180deg, #0A1628 0%, #0D1E35 50%, #0A1628 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero-logo {
  margin-bottom: 24px;
}

.hero-logo img {
  height: 88px;
  width: auto;
  filter: drop-shadow(0 0 20px rgba(212,175,55,0.5));
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { filter: drop-shadow(0 0 20px rgba(212,175,55,0.5)); }
  50% { filter: drop-shadow(0 0 40px rgba(212,175,55,0.8)); }
}

.hero-title {
  font-size: 72px;
  color: var(--white);
  font-weight: 900;
  letter-spacing: 6px;
  margin-bottom: 12px;
  text-shadow: 0 0 40px rgba(212,175,55,0.3);
}

.hero-slogan {
  font-size: 26px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 28px;
}

.hero-desc {
  font-size: 17px;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 40px;
}

.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }

.hero-company {
  font-size: 13px;
  color: var(--gray-dark);
  letter-spacing: 1px;
}

/* ===== STATS ===== */
.stats {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 48px 0;
}

.stats-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.stat-item { flex: 1; text-align: center; padding: 16px; }

.stat-num {
  font-size: 44px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-num span { font-size: 20px; font-weight: 600; }

.stat-label {
  font-size: 14px;
  color: var(--gray);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
  flex-shrink: 0;
}

/* ===== ABOUT ===== */
.about-section { background: var(--bg-dark); }

.about-content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}

.about-text h3 {
  font-size: 24px;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 700;
}

.about-text p {
  color: var(--text);
  margin-bottom: 16px;
  font-size: 15px;
}

.about-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.tag {
  padding: 6px 16px;
  background: rgba(212,175,55,0.1);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 28px;
  text-align: center;
}

.about-card-icon { font-size: 52px; margin-bottom: 16px; }

.about-card h4 {
  color: var(--white);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.about-card p {
  color: var(--gray);
  font-size: 12px;
  margin-bottom: 20px;
  font-style: italic;
}

.about-card-info {
  text-align: left;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  margin-top: 18px;
}

.about-card-info div {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 14px;
}

.about-card-info span { color: var(--gray); }
.about-card-info div > :last-child { color: var(--white); font-weight: 600; }

/* ===== FEATURES ===== */
.features-section { background: var(--bg-dark2); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}

.feature-card:hover {
  border-color: rgba(212,175,55,0.5);
  box-shadow: 0 8px 32px rgba(212,175,55,0.12);
  transform: translateY(-4px);
}

.feature-icon { font-size: 46px; margin-bottom: 16px; }

.feature-card h3 {
  color: var(--white);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.feature-tag {
  display: inline-block;
  margin-top: 14px;
  padding: 5px 14px;
  background: rgba(212,175,55,0.08);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: 20px;
  color: var(--gray);
  font-size: 12px;
}

.gold-tag { color: var(--gold); border-color: var(--border); }

.features-more {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.more-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 20px 24px;
  transition: all 0.3s;
}

.more-item:hover { border-color: rgba(212,175,55,0.3); background: rgba(212,175,55,0.04); }

.more-icon { font-size: 30px; flex-shrink: 0; }

.more-item h4 { color: var(--white); font-size: 16px; margin-bottom: 6px; font-weight: 600; }
.more-item p { color: var(--text); font-size: 14px; }

/* ===== MAO ===== */
.mao-section { background: var(--bg-dark); }

.mao-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.mao-left h3 { color: var(--gold); font-size: 22px; font-weight: 700; margin-bottom: 20px; }

.mao-list { list-style: none; margin-bottom: 20px; }
.mao-list li {
  color: var(--text);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 15px;
}

.mao-rules {
  background: rgba(212,175,55,0.08);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 20px;
  font-size: 14px;
  color: var(--gold);
}

.mao-product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
  text-align: center;
}

.mao-product-icon { font-size: 52px; margin-bottom: 16px; }
.mao-product-card h4 { color: var(--white); font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.mao-product-card p { color: var(--text); font-size: 14px; margin-bottom: 24px; line-height: 1.7; }

/* ===== MERCHANT ===== */
.merchant-section { background: var(--bg-dark2); }

.merchant-lead {
  font-size: 17px;
  color: var(--text);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.benefit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 40px; }

.benefit-item {
  display: flex;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  transition: all 0.3s;
}

.benefit-item:hover { border-color: rgba(212,175,55,0.4); transform: translateY(-3px); }

.benefit-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--gold);
  flex-shrink: 0;
  width: 44px;
  line-height: 1.2;
}

.benefit-text h4 { color: var(--white); font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.benefit-text p { color: var(--text); font-size: 14px; line-height: 1.7; }

.merchant-cta {
  text-align: center;
  padding: 36px;
  background: linear-gradient(135deg, rgba(212,175,55,0.08), rgba(212,175,55,0.03));
  border: 1px solid var(--border);
  border-radius: 20px;
}

.merchant-cta p {
  color: var(--gold);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

/* ===== PARTNER ===== */
.partner-section { background: var(--bg-dark); }

.level-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 32px 0;
  flex-wrap: wrap;
}

.level-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  text-align: center;
  min-width: 160px;
  flex: 1;
}

.level-step.highlight {
  border-color: var(--gold);
  box-shadow: 0 4px 20px rgba(212,175,55,0.15);
  background: rgba(212,175,55,0.06);
}

.level-icon { font-size: 36px; margin-bottom: 10px; }
.level-info h4 { color: var(--white); font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.level-info p { color: var(--gray); font-size: 12px; line-height: 1.6; }

.level-arrow { color: var(--gold); font-size: 28px; margin: 0 8px; flex-shrink: 0; }

.star-levels {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 28px;
  margin-bottom: 36px;
}

.star-levels > p { color: var(--gray); font-size: 14px; margin-bottom: 12px; }

.star-tags { display: flex; gap: 10px; flex-wrap: wrap; }

.star-tag {
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  color: var(--text);
  font-size: 13px;
}

.gold-star {
  background: rgba(212,175,55,0.12);
  border-color: rgba(212,175,55,0.3);
  color: var(--gold);
  font-weight: 700;
}

.income-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 36px;
}

.income-row {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 14px;
  color: var(--text);
}

.income-row:last-child { border-bottom: none; }

.income-row.header {
  background: rgba(212,175,55,0.06);
  color: var(--gold);
  font-weight: 700;
  font-size: 13px;
}

.income-row .highlight { color: var(--gold); font-weight: 700; font-size: 16px; }

.partner-cta {
  text-align: center;
  padding: 36px;
  background: rgba(212,175,55,0.05);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.partner-benefit {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 36px;
  margin-bottom: 36px;
}
.partner-benefit h3 {
  color: var(--gold);
  font-size: 22px;
  margin: 0 0 16px;
}
.partner-benefit .benefit-lead {
  color: var(--text);
  line-height: 1.8;
  margin: 0 0 18px;
}
.partner-benefit .benefit-lead strong {
  color: var(--gold-light);
}
.partner-benefit .benefit-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}
.partner-benefit .benefit-list li {
  color: var(--text);
  font-size: 15px;
  line-height: 1.9;
  padding: 4px 0;
}
.partner-benefit .benefit-note {
  color: var(--gray);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  margin: 0;
}
.partner-benefit .benefit-note strong {
  color: var(--gold-light);
}

.partner-cta p { color: var(--text); font-size: 16px; margin-bottom: 20px; }

/* ===== CONTACT ===== */
.contact-section { background: var(--bg-dark2); }

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.contact-icon { font-size: 26px; flex-shrink: 0; width: 36px; text-align: center; }
.contact-item h4 { color: var(--gray); font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.contact-item p { color: var(--white); font-size: 15px; font-weight: 600; }

.apply-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
}

.apply-card h3 { color: var(--white); font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.apply-card > p { color: var(--gray); font-size: 14px; margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  color: var(--gray);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--white);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.3s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-dark); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--gold); }

.form-group select option { background: var(--bg-dark); }

.form-success {
  margin-top: 16px;
  padding: 14px;
  background: rgba(76,175,80,0.1);
  border: 1px solid rgba(76,175,80,0.3);
  border-radius: 10px;
  color: #66BB6A;
  font-size: 15px;
  text-align: center;
}

/* ===== DOWNLOAD ===== */
.download-section {
  background: linear-gradient(135deg, rgba(212,175,55,0.08), rgba(10,22,40,0.5));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.download-content { text-align: center; }
.download-text h2 { color: var(--white); font-size: 34px; font-weight: 800; margin-bottom: 12px; }
.download-text p { color: var(--text); font-size: 17px; margin-bottom: 28px; }

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

.download-note {
  color: var(--gray-dark);
  font-size: 13px;
  line-height: 1.8;
}

/* ===== FOOTER ===== */
.footer {
  background: #060E1C;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 56px 0 0;
}

.footer-top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
}

.footer-brand img { height: 32px; filter: drop-shadow(0 0 6px rgba(212,175,55,0.3)); margin-bottom: 12px; }
.footer-brand p { color: var(--gray); font-size: 14px; margin-top: 8px; }

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

.footer-col h4 { color: var(--white); font-size: 15px; font-weight: 700; margin-bottom: 14px; }
.footer-col a {
  display: block;
  color: var(--gray);
  text-decoration: none;
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 20px 24px;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-bottom p { color: var(--gray-dark); font-size: 13px; line-height: 1.8; }
.footer-bottom a { color: var(--gray-dark); text-decoration: none; }
.footer-bottom a:hover { color: var(--gold); }

.beian-bar { margin-bottom: 10px; font-size: 13px; line-height: 1.8; }
.beian-link { color: var(--gray-dark); text-decoration: none; transition: color 0.2s; padding: 0 4px; }
.beian-link:hover { color: var(--gold); }
.beian-sep { color: var(--gray-dark); margin: 0 8px; }
.gongan-pending { opacity: 0.75; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--gold);
  color: var(--bg-dark);
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  z-index: 9999;
  opacity: 0;
  transition: all 0.4s;
  box-shadow: 0 8px 24px rgba(212,175,55,0.4);
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-content { grid-template-columns: 1fr; }
  .about-card { max-width: 400px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-btn { display: none; }
  .menu-toggle { display: block; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  
  .hero-title { font-size: 52px; }
  .hero-slogan { font-size: 20px; }
  .hero-desc { font-size: 15px; }
  .hero-btns { flex-direction: column; align-items: center; }
  
  .stats-container { flex-wrap: wrap; }
  .stat-divider { display: none; }
  .stat-item { width: 50%; }
  
  .features-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .feature-card { padding: 24px 16px; }
  .features-more { grid-template-columns: 1fr; }
  
  .mao-content { grid-template-columns: 1fr; }
  .benefit-grid { grid-template-columns: 1fr; }
  .level-flow { flex-direction: column; gap: 12px; }
  .level-arrow { transform: rotate(90deg); }
  
  .contact-content { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  
  .section { padding: 60px 0; }
  .section-title { font-size: 30px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 44px; letter-spacing: 3px; }
  .hero-logo img { height: 68px; }
  .features-grid { grid-template-columns: 1fr; }
  .stat-num { font-size: 34px; }
  .footer-links { grid-template-columns: 1fr; }
  .apply-card { padding: 24px 20px; }
  .level-step { min-width: 120px; }
}

/* ===== 商务合作浮窗 ===== */
.biz-fab {
  position: fixed; right: 18px; bottom: 92px; z-index: 999;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, #D4AF37, #b8932b); color: #0A1628;
  font-size: 22px; cursor: pointer; box-shadow: 0 6px 20px rgba(212,175,55,.5); border: none;
}
.biz-fab span { font-size: 10px; margin-top: 1px; font-weight: 700; }
.biz-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 998; }
.biz-mask.show { display: block; }
.biz-panel {
  position: fixed; right: 18px; bottom: 162px; z-index: 1000; width: 260px; max-width: 80vw;
  background: #111F38; border: 1px solid rgba(212,175,55,.5); border-radius: 14px; padding: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,.5); transform: translateY(20px); opacity: 0; pointer-events: none;
  transition: all .25s ease;
}
.biz-panel.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.biz-head { color: #D4AF37; font-weight: 700; font-size: 15px; margin-bottom: 12px; text-align: center; }
.biz-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 8px; border-radius: 8px; cursor: pointer; }
.biz-row:hover { background: rgba(255,255,255,.06); }
.biz-label { color: #cdd6e6; font-size: 13px; }
.biz-val { color: #fff; font-size: 14px; font-weight: 700; letter-spacing: .5px; }
.biz-copy { color: #D4AF37; font-size: 12px; font-style: normal; }
.biz-tip { color: #8aa0c0; font-size: 11px; margin: 10px 2px 0; line-height: 1.6; }