/* ========================================
   智仪全球 - 在线交易页面样式
   B2B红灰配色方案
   ======================================== */

/* ========== 交易主视觉 ========== */
.trade-hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}
.trade-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(226,0,26,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.trade-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}
.trade-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    font-weight: 700;
}
.trade-hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
}
.trade-hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}
.ths-item {
    text-align: center;
}
.ths-item strong {
    display: block;
    font-size: 2rem;
    color: #ff4459;
    font-weight: 700;
}
.ths-item span {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

/* ========== 通用Section ========== */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #e2001a;
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-transform: uppercase;
}
.section-header h2 {
    font-size: 1.8rem;
    color: #1a1a2e;
    margin-bottom: 8px;
    font-weight: 700;
}
.section-header p {
    color: #666;
    font-size: 1rem;
}

/* ========== 交易模式 ========== */
.trade-modes-section {
    padding: 60px 0;
    background: #f5f5f5;
}
.trade-modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}
.mode-card-large {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 32px 24px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.mode-card-large:hover {
    border-color: #e2001a;
    box-shadow: 0 8px 30px rgba(226,0,26,0.12);
    transform: translateY(-4px);
}
.mode-highlight {
    border-color: #e2001a;
    border-width: 2px;
}
.mcl-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: #e2001a;
    color: #fff;
    font-size: 0.75rem;
    padding: 4px 16px;
    border-radius: 0 12px 0 12px;
    font-weight: 600;
}
.mcl-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}
.mcl-body h3 {
    font-size: 1.3rem;
    color: #1a1a2e;
    margin-bottom: 10px;
    font-weight: 700;
}
.mcl-body > p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}
.mcl-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
}
.mcl-features li {
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 6px;
}
.mcl-link {
    color: #e2001a;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ========== 在线收款方式 ========== */
.payment-methods-section {
    padding: 60px 0;
    background: #fff;
}
.payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}
.pay-method-card {
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}
.pay-method-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}
.pay-bank {
    border-color: #1a1a2e;
}
.pay-alipay {
    border-color: #00a0e9;
}
.pay-wechat {
    border-color: #07c160;
}
.pmc-header {
    padding: 24px 24px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #f0f0f0;
}
.pay-bank .pmc-header {
    background: linear-gradient(135deg, #1a1a2e, #2a2a4e);
    color: #fff;
}
.pay-alipay .pmc-header {
    background: linear-gradient(135deg, #00a0e9, #0090d9);
    color: #fff;
}
.pay-wechat .pmc-header {
    background: linear-gradient(135deg, #07c160, #06ad55);
    color: #fff;
}
.pmc-icon {
    font-size: 2rem;
}
.pmc-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    flex: 1;
    margin: 0;
}
.pmc-tag {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(255,255,255,0.2);
    font-weight: 600;
}
.pmc-tag-blue {
    background: rgba(255,255,255,0.25);
}
.pmc-tag-green {
    background: rgba(255,255,255,0.25);
}
.pmc-body {
    padding: 20px 24px 24px;
}
.pmc-desc {
    color: #666;
    font-size: 0.88rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

/* 银行信息框 */
.bank-info-box {
    background: #f8f8f8;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}
.bank-info-row {
    display: flex;
    align-items: flex-start;
    padding: 8px 0;
    border-bottom: 1px dashed #e0e0e0;
}
.bank-info-row:last-child {
    border-bottom: none;
}
.bank-info-row label {
    width: 80px;
    font-size: 0.8rem;
    color: #999;
    flex-shrink: 0;
    padding-top: 2px;
}
.bank-info-value {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.bank-info-value span {
    font-size: 0.88rem;
    color: #333;
    font-weight: 500;
}
.account-number {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: #e2001a !important;
    letter-spacing: 2px;
}
.copy-btn {
    background: #e2001a;
    color: #fff;
    border: none;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}
.copy-btn:hover {
    background: #c00018;
}
.copy-btn.copied {
    background: #07c160;
}

.pmc-notice {
    background: #fff8f0;
    border: 1px solid #ffd5a0;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.82rem;
}
.pmc-notice strong {
    color: #e2001a;
}
.pmc-notice ul {
    margin: 6px 0 0;
    padding-left: 16px;
    color: #666;
}
.pmc-notice li {
    margin-bottom: 4px;
    line-height: 1.5;
}

/* 二维码区域 */
.qr-placeholder {
    text-align: center;
    margin-bottom: 16px;
}
.qr-code-box {
    display: inline-block;
    text-align: center;
}
.qr-code-inner {
    display: inline-block;
    padding: 12px;
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    margin-bottom: 8px;
}
.qr-code-box p {
    font-size: 0.82rem;
    color: #666;
}

.pmc-features {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.pmc-features span {
    font-size: 0.78rem;
    color: #666;
    background: #f5f5f5;
    padding: 4px 10px;
    border-radius: 6px;
}

/* ========== 交易流程 ========== */
.trade-process-section {
    padding: 60px 0;
    background: #f5f5f5;
}
.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px;
}
.process-step {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    width: 160px;
    position: relative;
    transition: all 0.3s;
}
.process-step:hover {
    border-color: #e2001a;
    box-shadow: 0 4px 16px rgba(226,0,26,0.1);
}
.ps-number {
    font-size: 0.75rem;
    color: #e2001a;
    font-weight: 700;
    margin-bottom: 8px;
}
.ps-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}
.process-step h4 {
    font-size: 1rem;
    color: #1a1a2e;
    margin-bottom: 8px;
    font-weight: 600;
}
.process-step p {
    font-size: 0.78rem;
    color: #666;
    line-height: 1.5;
}
.ps-connector {
    font-size: 1.5rem;
    color: #ccc;
    align-self: center;
    margin-top: 30px;
}

/* ========== 交易保障 ========== */
.trade-security-section {
    padding: 60px 0;
    background: #fff;
}
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.security-card {
    background: #f8f8f8;
    border-radius: 12px;
    padding: 28px 24px;
    border-left: 4px solid #e2001a;
    transition: all 0.3s;
}
.security-card:hover {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.sec-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}
.security-card h4 {
    font-size: 1.1rem;
    color: #1a1a2e;
    margin-bottom: 8px;
    font-weight: 600;
}
.security-card p {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
}

/* ========== 多币种 ========== */
.currency-section {
    padding: 60px 0;
    background: #1a1a2e;
}
.currency-section .section-header h2 {
    color: #fff;
}
.currency-section .section-header p {
    color: rgba(255,255,255,0.6);
}
.currency-section .section-tag {
    color: #ff4459;
}
.currency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}
.currency-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;
    padding: 20px 16px;
    text-align: center;
    transition: all 0.3s;
}
.currency-card:hover {
    background: rgba(226,0,26,0.15);
    border-color: #e2001a;
}
.cur-symbol {
    display: block;
    font-size: 1.8rem;
    color: #ff4459;
    font-weight: 700;
    margin-bottom: 4px;
}
.cur-code {
    display: block;
    font-size: 0.9rem;
    color: #fff;
    font-weight: 600;
    margin-bottom: 2px;
}
.cur-name {
    display: block;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
}

/* ========== FAQ ========== */
.trade-faq-section {
    padding: 60px 0;
    background: #f5f5f5;
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 12px;
    overflow: hidden;
}
.faq-q {
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #1a1a2e;
    font-size: 0.95rem;
}
.faq-q:hover {
    background: #f8f8f8;
}
.faq-toggle {
    font-size: 1.5rem;
    color: #e2001a;
    transition: transform 0.3s;
}
.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 20px;
}
.faq-item.open .faq-a {
    max-height: 500px;
    padding: 0 20px 16px;
}
.faq-a p {
    font-size: 0.88rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
}
.faq-a ul, .faq-a ol {
    margin: 8px 0;
    padding-left: 20px;
}
.faq-a li {
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 4px;
    line-height: 1.6;
}

/* ========== 快速入口 ========== */
.quick-actions {
    padding: 50px 0;
    background: #fff;
}
.qa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.qa-card {
    background: #f8f8f8;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 28px 20px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}
.qa-card:hover {
    background: #e2001a;
    color: #fff;
    border-color: #e2001a;
    transform: translateY(-4px);
}
.qa-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}
.qa-card h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
    font-weight: 600;
}
.qa-card p {
    font-size: 0.82rem;
    opacity: 0.7;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .trade-hero h1 { font-size: 1.8rem; }
    .trade-hero-stats { gap: 24px; }
    .ths-item strong { font-size: 1.5rem; }
    .process-timeline { flex-direction: column; align-items: center; }
    .ps-connector { transform: rotate(90deg); margin: 0; }
    .payment-methods-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 1.4rem; }
}