/* 网站布局: 杂志排版 */
:root { --primary: #B45309; --accent: #D97706; --text: #1e293b; --text-light: #64748b; --bg: #fffbeb; --white: #ffffff; --radius: 4px; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", sans-serif; background: var(--bg); color: var(--text); }
.container { max-width: 1180px; margin: 0 auto; padding: 0 25px; }
.top-bar { background: linear-gradient(90deg, var(--primary), var(--accent)); color: var(--white); padding: 9px 0; font-size: 13px; }
.top-bar .container { display: flex; justify-content: center; gap: 38px; }
.top-bar a { color: var(--white); text-decoration: none; opacity: 0.95; }
.header { background: var(--white); border-bottom: 1px solid #e2e8f0; }
.navbar { padding: 18px 0; display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 24px; font-weight: 600; color: var(--primary); letter-spacing: -0.5px; }
.nav-menu { display: flex; gap: 8px; list-style: none; }
.nav-menu a { padding: 10px 18px; color: var(--text); text-decoration: none; border-radius: var(--radius); transition: all 0.2s; font-size: 14px; font-weight: 500; }
.nav-menu a:hover { background: rgba(0,0,0,0.03); color: var(--primary); }
.nav-menu a.active { background: var(--primary); color: var(--white); }
.hero { background: linear-gradient(135deg, var(--primary), var(--accent)); padding: 85px 0; text-align: center; color: var(--white); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px; background: rgba(255,255,255,0.08); border-radius: 50%; }
.hero h1 { font-size: 38px; margin-bottom: 15px; font-weight: 700; letter-spacing: -1px; position: relative; z-index: 1; }
.hero p { font-size: 18px; opacity: 0.9; position: relative; z-index: 1; }
.features { padding: 60px 0; background: var(--white); }
.section-title { text-align: center; font-size: 28px; margin-bottom: 45px; color: var(--text); font-weight: 600; letter-spacing: -0.5px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { padding: 32px; border-radius: var(--radius); background: var(--bg); text-align: left; border: 1px solid #fde68a; transition: all 0.3s; }
.feature-card:hover { border-color: var(--primary); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.feature-icon { width: 52px; height: 52px; background: linear-gradient(135deg, var(--primary), var(--accent)); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin: 0 auto 15px; color: var(--white); font-size: 22px; }
.feature-card h3 { font-size: 17px; margin-bottom: 10px; text-align: center; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; text-align: center; }
.content-area { padding: 55px 0; }
.content-section { background: var(--white); padding: 35px; border-radius: var(--radius); margin-bottom: 25px; box-shadow: 0 4px 15px rgba(0,0,0,0.06); }
.content-section h2 { font-size: 22px; color: var(--primary); margin-bottom: 14px; font-weight: 600; }
.content-section p { font-size: 15px; color: var(--text-light); line-height: 1.9; }
.cta { background: linear-gradient(135deg, var(--primary), var(--accent)); padding: 60px 0; text-align: center; color: var(--white); }
.cta h2 { font-size: 28px; margin-bottom: 14px; font-weight: 700; }
.cta .btn { display: inline-block; padding: 14px 42px; background: var(--white); color: var(--primary); border-radius: var(--radius); font-weight: 600; text-decoration: none; }
.footer { background: #1c1917; color: var(--white); padding: 50px 0 22px; }
.footer-content { display: flex; justify-content: space-between; gap: 50px; }
.footer-section h4 { font-size: 16px; margin-bottom: 16px; color: var(--accent); font-weight: 600; }
.footer-section p { color: #d6d3d1; font-size: 14px; margin-bottom: 9px; }
.footer-bottom { text-align: center; padding-top: 28px; border-top: 1px solid #44403c; color: #a8a29e; font-size: 13px; }
.mobile-toggle { display: none; flex-direction: column: gap: 4px; background: none; border: none; cursor: pointer; }
.mobile-toggle span { width: 24px; height: 2px; background: var(--primary); }
@media (max-width: 992px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .nav-menu { display: none; width: 100%; flex-direction: column; margin-top: 15px; } .nav-menu.active { display: flex; } .mobile-toggle { display: flex; } .footer-content { flex-direction: column; } .hero h1 { font-size: 26px; } }