/* 美讯社 - 深松石绿 + 奶油白 + 香槟金 */
:root {
  --primary: #0d5c63;
  --primary-dark: #094a50;
  --primary-light: #e6efef;
  --accent: #c9a96a;
  --accent-dark: #b08d4f;
  --accent-light: #f5efe0;
  --text: #1a2b2b;
  --text-light: #6b7d7d;
  --border: #e5e0d5;
  --bg: #faf8f3;
  --white: #fff;
  --success: #2d8659;
  --danger: #c0453b;
  --warning: #d4930a;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(13, 92, 99, .06);
  --shadow-hover: 0 10px 28px rgba(13, 92, 99, .12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--primary-dark); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* 图标 */
.icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }

/* 导航栏 */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-admin { background: #142a2d; }
.navbar-admin .logo, .navbar-admin .logo-icon, .navbar-admin nav a { color: #cfd8d8; }
.navbar-admin nav a.active, .navbar-admin nav a:hover { color: #fff; }

.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 700; color: var(--primary); letter-spacing: 1px; }
.logo-img { height: 40px; width: auto; display: block; }
.logo-icon { color: var(--primary); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text); font-size: 14px; }
.nav-links a.active { color: var(--primary); font-weight: 500; }
.nav-links a:hover { color: var(--primary); }

/* 按钮 */
.btn {
  display: inline-block;
  padding: 9px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: all .18s;
  line-height: 1.4;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); color: var(--white); border-color: var(--primary-dark); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; border-color: #fff; }
.btn-danger { background: var(--danger); color: var(--white); border-color: var(--danger); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-lg { padding: 13px 34px; font-size: 16px; }
.btn-block { display: block; width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; }
.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  background: var(--white);
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.input-group { display: flex; gap: 8px; }
.input-group .form-control { flex: 1; }

/* 卡片 / 表格 / 徽章 */
.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.table { width: 100%; border-collapse: collapse; background: var(--white); }
.table th, .table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: var(--bg); font-weight: 600; color: var(--text-light); font-size: 13px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 4px; font-size: 12px; font-weight: 500; }
.badge-success { background: #e0f0e7; color: #1a6240; }
.badge-warning { background: #fbeec8; color: #8a6310; }
.badge-danger { background: #f6dedb; color: #8a2a22; }
.badge-info { background: var(--primary-light); color: var(--primary-dark); }
.badge-gold { background: var(--accent-light); color: var(--accent-dark); }
.badge-green { background: #e0f0e7; color: #1a6240; }

.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; }
.alert-success { background: #e0f0e7; color: #1a6240; }
.alert-error { background: #f6dedb; color: #8a2a22; }
.alert-info { background: var(--primary-light); color: var(--primary-dark); }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.page { padding: 28px 0; }
.page-title { font-size: 20px; font-weight: 600; margin-bottom: 20px; }

.stat-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.stat-card .stat-label { color: var(--text-light); font-size: 13px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--primary); margin-top: 4px; }

/* footer */
.footer { padding: 28px 0; text-align: center; color: var(--text-light); font-size: 13px; border-top: 1px solid var(--border); margin-top: 40px; background: var(--white); }
.footer-beian a, .footer-beian span { color: var(--text-light); }

.error-page { text-align: center; padding: 80px 0; }
.error-page h1 { font-size: 32px; margin-bottom: 16px; }
.error-msg { color: var(--text-light); margin-bottom: 24px; }

.auth-page { max-width: 420px; margin: 48px auto; }
.auth-page .card { padding: 32px; }
.auth-title { text-align: center; margin-bottom: 24px; }

/* ===== 首页 Hero ===== */
.hero { background: var(--primary); color: #fff; padding: 76px 0 56px; position: relative; overflow: hidden; }
.hero::after { content: ''; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: rgba(201, 169, 106, .14); }
.hero-inner { position: relative; z-index: 1; }
.hero-text { max-width: 640px; }
.hero-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(201, 169, 106, .18); color: var(--accent); border: 1px solid rgba(201, 169, 106, .35); padding: 5px 14px; border-radius: 20px; font-size: 13px; margin-bottom: 20px; }
.hero h1 { font-size: 40px; font-weight: 700; line-height: 1.3; margin-bottom: 18px; letter-spacing: -.5px; }
.hero-sub { font-size: 17px; opacity: .9; margin-bottom: 30px; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; margin-bottom: 44px; }
.hero-cta .btn-primary { background: var(--accent); color: #1a2b2b; border-color: var(--accent); font-weight: 600; }
.hero-cta .btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.hero-stats { display: flex; gap: 48px; }
.hero-stats .stat strong { display: block; font-size: 26px; font-weight: 700; color: var(--accent); }
.hero-stats .stat span { font-size: 13px; opacity: .82; }

/* ===== section 通用 ===== */
.section { padding: 68px 0; }
.section-bg { background: var(--white); }
.section-title { font-size: 28px; font-weight: 700; text-align: center; margin-bottom: 12px; letter-spacing: -.3px; }
.section-desc { text-align: center; color: var(--text-light); margin-bottom: 40px; font-size: 15px; }

/* 痛点 */
.pain-list { gap: 16px 24px; }
.pain-item { display: flex; gap: 16px; align-items: flex-start; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; transition: box-shadow .18s, border-color .18s; }
.pain-item:hover { box-shadow: var(--shadow-hover); border-color: var(--accent); }
.pain-icon { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 10px; background: #f6dedb; color: var(--danger); flex-shrink: 0; }
.pain-item h3 { font-size: 15px; margin-bottom: 5px; }
.pain-item p { color: var(--text-light); font-size: 13px; }

/* 解决方案 */
.solution-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; transition: transform .18s, box-shadow .18s, border-color .18s; }
.solution-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.icon-wrap { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 12px; background: var(--primary-light); color: var(--primary); margin-bottom: 16px; }
.solution-card h3 { font-size: 16px; margin-bottom: 8px; }
.solution-card p { color: var(--text-light); font-size: 13px; }

/* 媒体卡 */
.media-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: box-shadow .18s, border-color .18s; }
.media-card:hover { box-shadow: var(--shadow-hover); border-color: var(--accent); }
.media-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.media-icon { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: var(--accent-light); color: var(--accent-dark); }
.media-head h3 { font-size: 16px; margin: 0; flex: 1; }
.media-use { color: var(--primary); font-size: 13px; font-weight: 500; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px dashed var(--border); }
.media-list { list-style: none; }
.media-list li { font-size: 13px; color: var(--text-light); padding: 4px 0; padding-left: 18px; position: relative; }
.media-list li::before { content: ''; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* 利益点 */
.benefit-list { max-width: 860px; margin: 0 auto; }
.benefit-item { display: flex; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--border); }
.benefit-item:last-child { border-bottom: none; }
.benefit-num { font-size: 32px; font-weight: 700; color: var(--accent); line-height: 1; flex-shrink: 0; min-width: 48px; font-family: Georgia, serif; }
.benefit-body h3 { font-size: 17px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.benefit-tag { font-size: 12px; font-weight: 500; color: var(--primary); background: var(--primary-light); padding: 2px 10px; border-radius: 4px; }
.benefit-body p { color: var(--text-light); font-size: 14px; }

/* 适合谁 */
.audience-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 20px; text-align: center; transition: transform .18s, box-shadow .18s; }
.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.audience-icon { display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 14px; background: var(--primary-light); color: var(--primary); margin-bottom: 14px; }
.audience-card h3 { font-size: 15px; margin-bottom: 6px; }
.audience-card p { color: var(--text-light); font-size: 13px; }

/* 发稿流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { text-align: center; position: relative; }
.step-icon { display: inline-flex; align-items: center; justify-content: center; width: 60px; height: 60px; border-radius: 50%; background: var(--white); border: 1px solid var(--border); color: var(--primary); margin-bottom: 14px; }
.step-num { font-size: 13px; font-weight: 600; color: var(--accent-dark); margin-bottom: 6px; letter-spacing: 1px; }
.step h3 { font-size: 15px; margin-bottom: 6px; }
.step p { color: var(--text-light); font-size: 13px; }

/* CTA */
.cta-section { background: var(--primary-dark); color: #fff; padding: 64px 0; text-align: center; }
.cta-section h2 { font-size: 28px; margin-bottom: 12px; }
.cta-section p { opacity: .85; margin-bottom: 26px; }
.cta-section .btn-primary { background: var(--accent); border-color: var(--accent); color: #1a2b2b; font-weight: 600; }
.cta-section .btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }

/* 响应式 */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero { padding: 56px 0 40px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-cta { flex-wrap: wrap; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-title { font-size: 22px; }
  .benefit-item { gap: 16px; }
}