/* ========================================
   TMGM 网站主样式表
   ======================================== */

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #002b5c;
  --color-primary-light: #004080;
  --color-accent: #d4a843;
  --color-accent-hover: #e6c265;
  --color-bg: #ffffff;
  --color-bg-dark: #0a1929;
  --color-bg-gray: #f5f7fa;
  --color-text: #1a1a2e;
  --color-text-light: #6b7280;
  --color-text-white: #ffffff;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s ease;
  --container-max: 1200px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'WenQuanYi Micro Hei', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

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

.btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-text-white);
}

.btn-login {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  margin-right: 8px;
}

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

.btn-register {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.btn-register:hover {
  background: var(--color-accent-hover);
}

.btn-block {
  width: 100%;
  padding: 14px;
  font-size: 15px;
}

/* ===== Section Title ===== */
.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-desc {
  text-align: center;
  font-size: 17px;
  color: var(--color-text-light);
  max-width: 680px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ===== Top Banner ===== */
.top-banner {
  background: var(--color-primary);
  color: var(--color-text-white);
  text-align: center;
  padding: 8px 0;
  font-size: 13px;
  position: relative;
  z-index: 1001;
}

.top-banner a {
  color: var(--color-accent);
  font-weight: 600;
  margin-left: 6px;
}

.top-banner a:hover {
  text-decoration: underline;
}

/* ===== Navbar ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-text-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  padding: 0;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo-text {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -1px;
}

.logo-accent {
  color: var(--color-accent);
}

.nav-menu {
  display: flex;
  gap: 28px;
}

.nav-menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 4px 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

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

.nav-actions {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #001a3a 0%, #002b5c 40%, #004080 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 400px at 70% 50%, rgba(212, 168, 67, 0.12), transparent),
    radial-gradient(ellipse 600px 600px at 20% 80%, rgba(0, 100, 200, 0.15), transparent);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 20px;
}

.hero-content h1 {
  font-size: 52px;
  font-weight: 800;
  color: var(--color-text-white);
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat .counter {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.stat-plus,
.stat-unit {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
}

.stat small {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

/* Hero Cards */
.hero-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.price-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.price-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(4px);
}

.price-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-white);
}

.price-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  font-family: 'Courier New', monospace;
}

.price-change {
  font-size: 13px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}

.price-change.up {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.price-change.down {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* ===== Regulators ===== */
.regulators {
  padding: 80px 0;
  background: var(--color-bg-gray);
}

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

.regulator-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

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

.reg-logo {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.regulator-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.regulator-card p {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ===== Advantages ===== */
.advantages {
  padding: 80px 0;
  background: var(--color-bg);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.advantage-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.advantage-card:hover::before {
  transform: scaleX(1);
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.adv-icon {
  font-size: 44px;
  margin-bottom: 16px;
}

.advantage-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

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

/* ===== Accounts ===== */
.accounts {
  padding: 80px 0;
  background: var(--color-bg-gray);
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 56px;
}

.account-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  position: relative;
}

.account-card.featured {
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-md);
}

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

.acc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.acc-header h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
}

.acc-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--color-primary);
  color: var(--color-text-white);
}

.acc-badge.hot {
  background: var(--color-accent);
  color: var(--color-primary);
}

.acc-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.acc-currency {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-light);
}

.acc-amount {
  font-size: 48px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.acc-price small {
  font-size: 14px;
  color: var(--color-text-light);
  margin-left: 8px;
}

.acc-features {
  margin-bottom: 28px;
}

.acc-features li {
  font-size: 15px;
  color: var(--color-text);
  padding: 8px 0;
  border-bottom: 1px solid #f3f4f6;
}

.acc-features li:last-child {
  border-bottom: none;
}

/* Compare Table */
.compare-table-wrap {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.compare-title {
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  padding: 20px;
  background: var(--color-bg-gray);
  border-bottom: 1px solid var(--color-border);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
}

.compare-table th {
  background: var(--color-primary);
  color: var(--color-text-white);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 20px;
  text-align: left;
}

.compare-table td {
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.compare-table tbody tr:hover {
  background: #f9fafb;
}

/* ===== Platforms ===== */
.platforms {
  padding: 80px 0;
  background: var(--color-bg);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.platform-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: var(--transition);
}

.platform-card.featured {
  border: 2px solid var(--color-primary);
  background: linear-gradient(180deg, #fafbff 0%, var(--color-bg) 100%);
}

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

.plat-logo {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.plat-logo.mt5 {
  color: #004d40;
}

.platform-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.platform-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.plat-features {
  margin-bottom: 24px;
}

.plat-features li {
  font-size: 14px;
  padding: 6px 0;
  color: var(--color-text);
}

.plat-downloads {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  background: var(--color-bg-gray);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.dl-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

/* ===== Products ===== */
.products {
  padding: 80px 0;
  background: var(--color-bg-gray);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.prod-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.product-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

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

.prod-count {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(212, 168, 67, 0.1);
  padding: 4px 14px;
  border-radius: 20px;
}

/* ===== News ===== */
.news {
  padding: 80px 0;
  background: var(--color-bg);
}

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

.news-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.news-img {
  width: 100%;
  height: 160px;
  background-size: cover;
  background-position: center;
}

.news-body {
  padding: 20px;
}

.news-date {
  font-size: 12px;
  color: var(--color-text-light);
  font-weight: 500;
}

.news-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  margin: 8px 0 10px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-body p {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

.news-link:hover {
  color: var(--color-accent);
}

/* ===== Contest ===== */
.contest {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, #003a7a 100%);
  position: relative;
  overflow: hidden;
}

.contest::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 600px 300px at 80% 50%, rgba(212, 168, 67, 0.15), transparent);
}

.contest-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.contest-content h2 {
  font-size: 38px;
  font-weight: 800;
  color: var(--color-text-white);
  margin-bottom: 16px;
}

.contest-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contest-content .btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
}

.contest-features {
  margin-bottom: 32px;
}

.contest-features li {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  padding: 6px 0;
}

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

.trophy {
  font-size: 100px;
  animation: trophyBounce 2s ease infinite;
}

@keyframes trophyBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.prize-cards {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}

.prize-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  min-width: 100px;
}

.prize-card span {
  font-size: 28px;
  display: block;
  margin-bottom: 6px;
}

.prize-card strong {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: var(--color-accent);
}

.prize-card small {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  padding: 5px 0;
}

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

.footer-disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  margin-bottom: 24px;
}

.footer-disclaimer p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.7;
  margin-bottom: 10px;
}

.footer-disclaimer p:last-child {
  margin-bottom: 0;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.35);
  font-size: 13px;
}

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

/* ===== Floating Chat ===== */
.floating-chat {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
}

.chat-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: 14px 22px;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 600;
}

.chat-btn:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: scale(1.05);
}

.chat-icon {
  font-size: 20px;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 20px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-accent-hover);
  transform: translateY(-3px);
}

/* ===== Animation Classes ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}