/* 网站136 - 步骤流程布局 */
:root { --primary: #0E7490; --secondary: #06B6D4; --accent: #22D3EE; --text: #1e293b; --bg: #ecfeff; --white: #ffffff; --radius: 12px; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", sans-serif; background: var(--bg); color: var(--text); }
.container { max-width: 1050px; margin: 0 auto; padding: 0 20px; }

/* 头部 */
.header { background: var(--white); box-shadow: 0 2px 15px rgba(14,116,144,0.1); position: sticky; top: 0; z-index: 100; }
.navbar { padding: 15px 0; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 23px; font-weight: 700; color: var(--primary); letter-spacing: 1px; }
.nav-menu { display: flex; gap: 6px; list-style: none; }
.nav-menu a { padding: 10px 16px; color: var(--text); text-decoration: none; border-radius: 6px; transition: all 0.3s; font-size: 14px; }
.nav-menu a:hover { background: rgba(14,116,144,0.1); color: var(--primary); }
.nav-menu a.active { background: var(--primary); color: var(--white); }

/* 顶部条 */
.top-bar { background: var(--primary); color: var(--white); padding: 8px 0; font-size: 13px; }
.top-bar .container { display: flex; justify-content: flex-end; gap: 30px; }
.top-bar a { color: var(--white); text-decoration: none; opacity: 0.9; }

/* 英雄区 */
.hero { background: linear-gradient(135deg, var(--primary), var(--secondary)); padding: 70px 0; color: var(--white); }
.hero h1 { font-size: 34px; margin-bottom: 12px; }
.hero p { font-size: 16px; opacity: 0.9; }

/* 步骤流程区 */
.features { padding: 50px 0; }
.section-title { text-align: center; font-size: 26px; margin-bottom: 45px; color: var(--primary); }

.step-list { display: flex; flex-direction: column; gap: 20px; }
.step-item { display: flex; align-items: flex-start; gap: 20px; background: var(--white); padding: 25px; border-radius: var(--radius); box-shadow: 0 4px 15px rgba(14,116,144,0.08); transition: all 0.3s; }
.step-item:hover { transform: translateX(10px); box-shadow: 0 8px 25px rgba(14,116,144,0.12); }
.step-number { width: 50px; height: 50px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 20px; font-weight: 700; flex-shrink: 0; }
.step-content h3 { font-size: 18px; color: var(--primary); margin-bottom: 8px; }
.step-content p { font-size: 14px; color: #666; line-height: 1.7; }

/* 内容区 */
.content-area { padding: 50px 0; }
.content-section { background: var(--white); padding: 30px; border-radius: var(--radius); margin-bottom: 20px; box-shadow: 0 4px 15px rgba(14,116,144,0.08); border-left: 4px solid var(--secondary); }
.content-section h2 { font-size: 20px; color: var(--primary); margin-bottom: 10px; }
.content-section p { font-size: 14px; color: #666; line-height: 1.7; }

/* CTA */
.cta { background: linear-gradient(135deg, var(--primary), var(--secondary)); padding: 55px 0; text-align: center; color: var(--white); }
.cta h2 { font-size: 26px; }
.cta .btn { display: inline-block; padding: 12px 35px; background: var(--white); color: var(--primary); border-radius: 6px; font-weight: 600; text-decoration: none; margin-top: 15px; }

/* 底部 */
.footer { background: #083344; color: var(--white); padding: 45px 0 20px; }
.footer-content { display: flex; justify-content: space-between; gap: 40px; }
.footer-section h4 { font-size: 15px; margin-bottom: 15px; color: var(--accent); }
.footer-section p { color: #67e8f9; font-size: 13px; margin-bottom: 8px; }
.footer-bottom { text-align: center; padding-top: 25px; border-top: 1px solid #155e75; color: #22d3ee; font-size: 12px; }

.mobile-toggle { display: none; flex-direction: column: gap: 4px; background: none; border: none; cursor: pointer; }
.mobile-toggle span { width: 22px; height: 2px; background: var(--primary); }

@media (max-width: 768px) {
    .navbar { flex-wrap: wrap; }
    .nav-menu { display: none; width: 100%; flex-direction: column; margin-top: 15px; }
    .nav-menu.active { display: flex; }
    .mobile-toggle { display: flex; }
    .step-item { flex-direction: column; text-align: center; }
    .step-item:hover { transform: translateY(-5px); }
    .hero h1 { font-size: 24px; }
    .footer-content { flex-direction: column; }
}