:root {
    --tmgm-dark: #071B33;
    --tmgm-blue: #0066FF;
    --tmgm-blue-dark: #003B73;
    --tmgm-gold: #F5B942;
    --tmgm-gold-hover: #DFA52E;
    --bg-gray: #F6F8FB;
    --white: #FFFFFF;
    --text: #071B33;
    --text-secondary: #64748B;
    --border: #E5E7EB;
    --success: #16A34A;
    --footer-bg: #020617;
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: var(--white);
}
a { text-decoration: none; transition: all 0.3s ease; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-white { background: var(--white); }
.section-gray { background: var(--bg-gray); }
.section-dark-blue { background: var(--tmgm-dark); color: var(--white); }
.text-white { color: var(--white); }
.mb-2 { margin-bottom: 2rem; }

h1, h2, h3 { font-weight: 700; line-height: 1.3; }
h2 { font-size: 2rem; margin-bottom: 1.5rem; color: var(--tmgm-dark); text-align: center; }
.section-gray h2, .section-white h2 { color: var(--tmgm-dark); }
.section-dark-blue h2 { color: var(--white); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
}
.btn-primary {
    background: var(--tmgm-gold);
    color: var(--tmgm-dark);
}
.btn-primary:hover { background: var(--tmgm-gold-hover); }

.btn-secondary {
    background: transparent;
    border: 2px solid var(--white);
    color: var(--white);
}
.btn-secondary:hover { background: var(--white); color: var(--tmgm-dark); }

.btn-header-cta {
    background: var(--tmgm-gold);
    color: var(--tmgm-dark);
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
}
.btn-header-cta:hover { background: var(--tmgm-gold-hover); }

.btn-outline-blue {
    border: 2px solid var(--tmgm-blue);
    color: var(--tmgm-blue);
    background: transparent;
}
.btn-outline-blue:hover { background: var(--tmgm-blue); color: var(--white); }

.btn-gold { background: var(--tmgm-gold); color: var(--tmgm-dark); }
.btn-gold:hover { background: var(--tmgm-gold-hover); }

.btn-white { background: var(--white); color: var(--tmgm-dark); }
.btn-white:hover { background: #f0f0f0; }
.btn-white-outline { border: 2px solid var(--white); color: var(--white); }
.btn-white-outline:hover { background: var(--white); color: var(--tmgm-dark); }

/* Header */
.site-header {
    background: var(--tmgm-dark);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { color: var(--white); font-size: 1.5rem; font-weight: 800; letter-spacing: 1px; }
.main-nav a { color: var(--white); margin-left: 30px; font-size: 0.95rem; }
.main-nav a:hover { color: var(--tmgm-gold); }

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #071B33 0%, #003B73 55%, #0066FF 100%);
    padding: 100px 0 120px;
    text-align: center;
    color: var(--white);
}
.hero-content h1 { font-size: 3rem; margin-bottom: 1rem; }
.hero-content h1 .highlight { color: var(--tmgm-gold); }
.hero-subtitle { font-size: 1.25rem; opacity: 0.9; margin-bottom: 1.5rem; }
.hero-desc { max-width: 700px; margin: 0 auto 2.5rem; opacity: 0.8; font-size: 1rem; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Features Grid */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; margin-top: 40px; }
.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    transition: box-shadow 0.3s;
}
.feature-card:hover { box-shadow: 0 8px 30px rgba(0,0,0,0.06); }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--tmgm-dark); }
.feature-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* Advantage Block */
.advantage-block { margin-bottom: 40px; }
.advantage-block h3 { font-size: 1.3rem; margin-bottom: 12px; color: var(--tmgm-blue); }
.platform-tags { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.tag { padding: 6px 16px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; color: var(--white); }
.tag.mt4 { background: var(--tmgm-blue); }
.tag.mt5 { background: var(--tmgm-gold); color: var(--tmgm-dark); }
.product-list li { padding: 6px 0; color: var(--text-secondary); }
.product-list strong { color: var(--tmgm-dark); }

/* Steps */
.steps-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-top: 40px; }
.step-card {
    background: var(--white);
    border-radius: 12px;
    padding: 30px 24px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}
.step-num {
    width: 48px; height: 48px;
    background: var(--tmgm-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; font-weight: 700;
    margin: 0 auto 16px;
}
.step-card h3 { font-size: 1rem; margin-bottom: 8px; }
.step-card p { font-size: 0.9rem; color: var(--text-secondary); }

/* Account Compare */
.account-compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; margin-top: 40px; }
.account-card {
    border-radius: 16px;
    padding: 40px;
    position: relative;
    display: flex; flex-direction: column;
}
.account-card.standard { background: var(--white); border: 1px solid var(--border); }
.account-card.edge { background: var(--tmgm-dark); color: var(--white); }
.account-card .badge {
    position: absolute; top: -12px; right: 24px;
    background: var(--tmgm-gold); color: var(--tmgm-dark);
    padding: 4px 16px; border-radius: 20px; font-size: 0.8rem; font-weight: 700;
}
.account-card h3 { font-size: 1.5rem; margin-bottom: 8px; }
.account-card.edge h3 { color: var(--white); }
.account-type { font-size: 0.9rem; opacity: 0.8; margin-bottom: 20px; }
.account-card ul { margin-bottom: 30px; flex-grow: 1; }
.account-card li { padding: 8px 0; font-size: 0.95rem; }
.account-card.standard li { color: var(--text-secondary); }
.account-card.edge li { color: rgba(255,255,255,0.85); }

/* Split Content */
.split-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.checklist li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; }
.icon-success { color: var(--success); font-weight: 700; flex-shrink: 0; }
.note, .risk-warning { margin-top: 16px; font-size: 0.9rem; color: var(--text-secondary); }
.risk-warning { color: #DC2626; }

/* Download Section */
.download-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* FAQ */
.faq-list { max-width: 800px; margin: 40px auto 0; }
.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}
.faq-item summary {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--tmgm-dark);
    cursor: pointer;
    list-style: none;
    display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--tmgm-blue); }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 24px 20px; color: #475569; font-size: 0.95rem; }

/* Footer */
.site-footer { background: var(--footer-bg); padding: 60px 0 40px; text-align: center; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; margin-bottom: 30px; }
.footer-links a { color: #94A3B8; font-size: 0.9rem; }
.footer-links a:hover { color: var(--white); }
.copyright { color: #64748B; font-size: 0.85rem; margin-bottom: 12px; }
.disclaimer { color: #475569; font-size: 0.75rem; max-width: 700px; margin: 0 auto; line-height: 1.5; }

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2rem; }
    .split-content { grid-template-columns: 1fr; gap: 40px; }
    .main-nav { display: none; } /* 移动端可替换为汉堡菜单 */
    .account-compare { grid-template-columns: 1fr; }
    .steps-container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .steps-container { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 300px; }
}
.news-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 40px;
}
.news-header h2 { margin-bottom: 0; text-align: left; }
.news-more {
    color: var(--tmgm-blue);
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}
.news-more:hover { color: var(--tmgm-dark); }

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.news-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.news-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 14px;
    width: fit-content;
}
.tag-market { background: #EFF6FF; color: var(--tmgm-blue); }
.tag-platform { background: #FFF7ED; color: #C2780A; }
.tag-education { background: #F0FDF4; color: var(--success); }

.news-card h3 {
    font-size: 1.05rem;
    line-height: 1.5;
    margin-bottom: 12px;
    flex-grow: 1;
}
.news-card h3 a {
    color: var(--tmgm-dark);
    transition: color 0.2s;
}
.news-card h3 a:hover { color: var(--tmgm-blue); }

.news-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #94A3B8;
    margin-top: auto;
}
.meta-dot { opacity: 0.5; }

/* 响应式适配 */
@media (max-width: 768px) {
    .news-header { flex-direction: column; gap: 8px; }
    .news-header h2 { font-size: 1.5rem; }
    .news-grid { grid-template-columns: 1fr; }
}