/* ============================================================
   暴利道 — 中国式暴利战略高绩效咨询
   全局样式 · 深蓝 + 金 · 简洁专业咨询风
   ============================================================ */

:root {
  --navy-900: #0d2137;
  --navy-800: #122e4c;
  --navy-700: #1a3d63;
  --navy-600: #24507e;
  --gold-500: #b98a2f;
  --gold-400: #d4a94a;
  --gold-100: #f6edd8;
  --ink: #1f2a37;
  --ink-soft: #4b5a6b;
  --line: #e3e8ee;
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --danger: #a33a2a;
  --radius: 10px;
  --maxw: 1120px;
  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--navy-700); text-decoration: none; }
a:hover { color: var(--gold-500); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  color: var(--navy-900);
  letter-spacing: 2px;
}
.brand:hover { color: var(--navy-900); }
.brand .brand-mark {
  width: 42px;
  height: 42px;
  display: block;
  flex: none;
}
.brand small {
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 1px;
  display: block;
  font-family: var(--font-sans);
}

.main-nav ul { list-style: none; display: flex; gap: 4px; }
.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--ink);
  border-radius: 6px;
}
.main-nav a:hover { background: var(--bg-soft); color: var(--navy-700); }
.main-nav a.active { color: var(--gold-500); font-weight: 600; }
.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: #fff;
  padding: 76px 0 72px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 169, 74, 0.18) 0%, transparent 70%);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1.35;
  letter-spacing: 1px;
  max-width: 720px;
}
.hero h1 em { color: var(--gold-400); font-style: normal; }
.hero p.lead {
  margin-top: 20px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
}
.hero .hero-cta { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero .hero-tags {
  margin-top: 44px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero .hero-tags div { border-left: 3px solid var(--gold-400); padding-left: 14px; }
.hero .hero-tags strong { font-size: 24px; font-family: var(--font-serif); display: block; }
.hero .hero-tags span { font-size: 13px; color: rgba(255, 255, 255, 0.7); }

/* ---------- Hero 两列（左文案 / 右概念图） ---------- */
.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 40px;
  align-items: center;
}
.hero-grid > * { min-width: 0; }
.hero-grid h1 { font-size: 36px; max-width: none; }
.hero-grid p.lead { max-width: none; }
.hero-art { display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 400px; height: auto; display: block; }

/* ---------- Hero 概念图入场动效 ----------
   默认态即完整可见，动画只作为增强：动画不受支持、被阻止或被中断时，图形依然完整可读 */
.c-grid, .c-area, .c-mark, .c-node, .c-label { opacity: 1; }
.c-curve-1, .c-curve-2 { stroke-dashoffset: 0; }

@media (prefers-reduced-motion: no-preference) {
  .c-grid { animation: cFade 0.9s ease-out 0.1s backwards; }
  .c-area { animation: cFade 1.1s ease-out 1.25s backwards; }
  .c-curve-1 {
    stroke-dasharray: 240;
    animation: cDraw 1s cubic-bezier(0.4, 0, 0.25, 1) 0.3s backwards;
  }
  .c-curve-2 {
    stroke-dasharray: 340;
    animation: cDraw 1.4s cubic-bezier(0.4, 0, 0.25, 1) 1.15s backwards;
  }
  .c-mark { animation: cFade 0.6s ease-out 1.5s backwards; }
  .c-node { animation: cFade 0.6s ease-out 1.7s backwards; }
  .c-label { animation: cFade 0.9s ease-out 1.9s backwards; }
  @keyframes cDraw { from { stroke-dashoffset: 340; } to { stroke-dashoffset: 0; } }
  @keyframes cFade { from { opacity: 0; } to { opacity: 1; } }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}
.btn-gold { background: var(--gold-500); color: #fff; }
.btn-gold:hover { background: var(--gold-400); color: #fff; }
.btn-outline { border: 1px solid rgba(255, 255, 255, 0.5); color: #fff; background: transparent; }
.btn-outline:hover { border-color: var(--gold-400); color: var(--gold-400); }
.btn-primary { background: var(--navy-800); color: #fff; }
.btn-primary:hover { background: var(--navy-700); color: #fff; }

/* ---------- 通用 section ---------- */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head .kicker {
  color: var(--gold-500);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.section-head h1,
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--navy-900);
  margin-top: 10px;
}
.section-head p { margin-top: 14px; color: var(--ink-soft); }

/* ---------- 卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.grid-5 .card { padding: 26px 20px; }
.grid-5 .card h3 { font-size: 17px; }
.grid-5 .card .card-icon { width: 40px; height: 40px; font-size: 18px; margin-bottom: 14px; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 10px 30px rgba(13, 33, 55, 0.08); transform: translateY(-2px); }
.card .card-icon {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: var(--gold-100);
  color: var(--gold-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-serif);
  margin-bottom: 18px;
}
.card h3 { font-size: 19px; color: var(--navy-900); margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--ink-soft); }
.card .card-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--danger);
  background: #faeeea;
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 12px;
}

/* ---------- 数据条 ---------- */
.stat-strip { background: var(--navy-900); color: #fff; padding: 56px 0; }
.stat-strip .grid-4 { gap: 32px; }
.stat-strip .stat { text-align: center; }
.stat-strip .stat strong {
  font-size: 36px;
  font-family: var(--font-serif);
  color: var(--gold-400);
  display: block;
}
.stat-strip .stat span { font-size: 14px; color: rgba(255, 255, 255, 0.75); }

/* ---------- 引用块 ---------- */
.quote {
  border-left: 4px solid var(--gold-400);
  background: var(--gold-100);
  padding: 24px 28px;
  border-radius: 0 8px 8px 0;
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--navy-800);
}

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 8px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--navy-900);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
}
.faq-item button::after { content: "+"; font-size: 22px; color: var(--gold-500); font-weight: 400; }
.faq-item.open button::after { content: "−"; }
.faq-item .faq-a { display: none; padding: 0 8px 22px; color: var(--ink-soft); font-size: 15px; }
.faq-item.open .faq-a { display: block; }

/* ---------- 文章列表 ---------- */
.post-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.post-card:hover { box-shadow: 0 10px 30px rgba(13, 33, 55, 0.08); }
.post-card .post-body { padding: 24px; flex: 1; }
.post-card time { font-size: 13px; color: var(--ink-soft); }
.post-card h3 { font-size: 18px; margin: 8px 0 10px; color: var(--navy-900); }
.post-card p { font-size: 14px; color: var(--ink-soft); }
.post-card .post-cover {
  height: 150px;
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-400);
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 4px;
}

/* ---------- 文章正文 ---------- */
.article { max-width: 780px; margin: 0 auto; }
.article-header { padding: 64px 0 32px; border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.article-header h1 {
  font-family: var(--font-serif);
  font-size: 34px;
  color: var(--navy-900);
  line-height: 1.4;
}
.article-header .article-meta { margin-top: 16px; color: var(--ink-soft); font-size: 14px; }
.article-body h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--navy-900);
  margin: 40px 0 16px;
  padding-left: 12px;
  border-left: 4px solid var(--gold-400);
}
.article-body h3 { font-size: 18px; color: var(--navy-800); margin: 28px 0 12px; }
.article-body p { margin-bottom: 16px; color: var(--ink); }
.article-body ul, .article-body ol { margin: 0 0 16px 24px; color: var(--ink); }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14.5px;
}
.article-body th {
  background: var(--navy-800);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
}
.article-body td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.article-body tr:nth-child(even) td { background: var(--bg-soft); }
/* 首列（名称/状态类短词）不折行，长内容列自适应换行 */
.article-body th:first-child, .article-body td:first-child { white-space: nowrap; }
.article-footer-cta {
  margin-top: 56px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

/* ---------- CTA 区块 ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
  padding: 72px 0;
  text-align: center;
}
.cta-band h2 { font-family: var(--font-serif); font-size: 30px; }
.cta-band p { margin: 14px auto 28px; color: rgba(255, 255, 255, 0.8); max-width: 560px; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 0;
  font-size: 14px;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: rgba(255, 255, 255, 0.75); }
.site-footer a:hover { color: var(--gold-400); }
/* 电话/邮箱整体不断行，换行只发生在 "/" 之后 */
.site-footer a[href^="tel:"], .site-footer a[href^="mailto:"] { white-space: nowrap; }
.footer-logo { width: 200px; height: auto; margin-bottom: 6px; }
.footer-brand { font-family: var(--font-serif); font-size: 20px; color: #fff; letter-spacing: 2px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}
.breadcrumb a { color: var(--ink-soft); }

/* ---------- 响应式 ---------- */
@media (max-width: 1120px) {
  .hero-grid .hero-tags { gap: 16px; }
  .hero-grid .hero-tags strong { font-size: 21px; }
  .hero-grid .hero-tags span { font-size: 12px; }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .grid-3, .grid-4, .post-list { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-art svg { max-width: 330px; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-5, .post-list { grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .hero { padding: 64px 0; }
  .hero h1 { font-size: 27px; }
  .hero-art svg { max-width: 260px; }
  .hero .hero-tags { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
  /* 移动端导航 */
  .nav-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--navy-900);
    cursor: pointer;
    line-height: 1;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; padding: 12px 24px 20px; }
  .main-nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
}