/* ==========================================================================
   百万策划人 · 公共首页样式表 (home.css)
   ========================================================================== */

:root {
  --page-bg: #f3efe7;
  --surface: #fbfaf7;
  --surface-raised: #ffffff;
  --surface-muted: #ebe5da;
  --line: #d6cec0;
  --line-soft: #e7e0d5;
  --ink: #1d1f1e;
  --ink-muted: #74716a;
  --ink-faint: #a09a90;
  --charcoal: #1d1f1e;
  --charcoal-soft: #292b29;
  --bronze: #a78345;
  --bronze-deep: #80622f;
  --bronze-soft: #f2eadb;
  --danger: #9f4638;
  --danger-soft: #f7e8e4;
  --focus: rgba(167, 131, 69, 0.22);
  --serif: "Songti SC", "STSong", "SimSun", "Georgia", serif;
  --sans: ui-sans-serif, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 全局与网格纹背景 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(rgba(45, 42, 36, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 42, 36, 0.024) 1px, transparent 1px),
    var(--page-bg);
  background-size: 28px 28px;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* 布局限制 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部导航 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(243, 239, 231, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  height: 72px;
  transition: var(--transition);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.logo svg {
  color: var(--bronze);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 14px;
  color: var(--ink-muted);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--ink);
}

.nav-btn {
  background: var(--charcoal);
  color: var(--page-bg);
  padding: 8px 20px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--charcoal);
  transition: var(--transition);
}

.nav-btn:hover {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
  box-shadow: 0 4px 12px rgba(29, 31, 30, 0.08);
}

/* Hero 屏 */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  text-align: center;
}

.kicker {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--bronze);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  display: inline-block;
}

.hero h1 {
  font-family: var(--serif);
  font-size: 48px;
  line-height: 1.25;
  color: var(--ink);
  max-width: 900px;
  margin: 0 auto 24px;
  font-weight: 600;
}

.hero p {
  font-size: 17px;
  color: var(--ink-muted);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.75;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 64px;
}

.btn-primary {
  background: var(--charcoal);
  color: #fff;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  border: 1px solid var(--charcoal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(29, 31, 30, 0.15);
}

.btn-primary:hover {
  background: var(--charcoal-soft);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(29, 31, 30, 0.25);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--ink);
}

/* 模拟工作台展示架 */
.mockup-wrapper {
  max-width: 1040px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: 0 20px 50px rgba(45, 42, 36, 0.12);
  overflow: hidden;
  position: relative;
  text-align: left;
}

.mockup-header {
  height: 40px;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
}

.mockup-dot.red { background: #e06c53; }
.mockup-dot.yellow { background: #e5c07b; }
.mockup-dot.green { background: #98c379; }

.mockup-address {
  margin-left: 24px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  height: 24px;
  flex-grow: 1;
  max-width: 480px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  font-size: 11px;
  color: var(--ink-muted);
}

.mockup-body {
  height: 480px;
  display: flex;
  font-size: 12px;
  background: #fdfcfb;
}

.mockup-sidebar {
  width: 160px;
  background: #1d1f1e;
  color: #fff;
  border-right: 1px solid #3a3a36;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-sb-logo {
  font-family: var(--serif);
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--bronze-soft);
  padding: 4px 6px;
}

.mockup-sb-item {
  padding: 6px 10px;
  border-radius: 3px;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mockup-sb-item.active {
  color: var(--page-bg);
  background: rgba(167, 131, 69, 0.15);
  border-left: 2px solid var(--bronze);
}

.mockup-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.mockup-topbar {
  height: 48px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: #fbfaf7;
}

.mockup-main {
  flex-grow: 1;
  padding: 20px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px;
}

.mockup-panel {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 13px;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 6px;
}

.mockup-item {
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 3px;
}

.mockup-item h5 {
  color: var(--bronze);
  font-size: 11px;
  margin-bottom: 2px;
}

.mockup-item p {
  font-size: 10px;
  color: var(--ink-muted);
}

/* 核心原则/理念 Section */
.philosophy {
  padding: 80px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--ink-muted);
  font-size: 15px;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.philosophy-card {
  padding: 24px;
  border-radius: 4px;
  background: var(--surface-raised);
  border: 1px solid var(--line-soft);
  transition: var(--transition);
}

.philosophy-card:hover {
  transform: translateY(-4px);
  border-color: var(--bronze);
  box-shadow: 0 12px 30px rgba(167, 131, 69, 0.08);
}

.philosophy-num {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--bronze);
  font-weight: 700;
  margin-bottom: 16px;
  display: block;
}

.philosophy-card h3 {
  font-family: var(--serif);
  font-size: 18px;
  margin-bottom: 12px;
}

.philosophy-card p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* 功能拆解 grid */
.features {
  padding: 100px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--charcoal);
  background: var(--surface-raised);
  box-shadow: 0 12px 40px rgba(45, 42, 36, 0.05);
}

.feature-icon-wrapper {
  width: 44px;
  height: 44px;
  background: var(--bronze-soft);
  color: var(--bronze-deep);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-soft);
}

.feature-card h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.feature-card p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.65;
}

.feature-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
}

.feature-badge {
  background: var(--surface-muted);
  color: var(--ink-muted);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 2px;
  border: 1px solid var(--line-soft);
}

/* 7阶段交互 Section */
.stage-explorer {
  padding: 100px 0;
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stage-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  margin-top: 48px;
}

.stage-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stage-btn {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  padding: 14px 20px;
  border-radius: 4px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.stage-btn:hover {
  background: var(--surface);
  border-color: var(--bronze);
}

.stage-btn.active {
  background: var(--charcoal);
  color: #fff;
  border-color: var(--charcoal);
}

.stage-btn-num {
  font-family: var(--serif);
  font-weight: 700;
  color: var(--bronze);
  font-size: 14px;
}

.stage-btn.active .stage-btn-num {
  color: var(--bronze-soft);
}

.stage-btn-title {
  font-weight: 600;
  font-size: 14px;
}

/* 动态展示细节卡 */
.stage-details-card {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 38px;
  box-shadow: 0 10px 30px rgba(45, 42, 36, 0.03);
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 36px;
  min-height: 480px;
}

.stage-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stage-kicker {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.stage-title {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: bold;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 12px;
}

.stage-task-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stage-task-item {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
}

.stage-task-item strong {
  color: var(--ink);
  min-width: 80px;
  flex-shrink: 0;
}

.stage-task-item span {
  color: var(--ink-muted);
}

/* 微信朋友圈模拟器 */
.wechat-mockup {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.04);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  height: fit-content;
}

.wechat-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wechat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: var(--charcoal);
  color: var(--page-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: bold;
}

.wechat-meta {
  display: flex;
  flex-direction: column;
}

.wechat-name {
  font-weight: 700;
  color: #576b95;
}

.wechat-tag {
  font-size: 10px;
  color: var(--bronze);
  font-weight: 500;
  margin-top: 1px;
}

.wechat-body {
  color: var(--ink);
  white-space: pre-wrap;
  line-height: 1.6;
}

.wechat-expand {
  color: #576b95;
  font-weight: 600;
  cursor: pointer;
}

.wechat-comment-box {
  background: #f7f7f7;
  border-radius: 4px;
  padding: 10px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wechat-comment {
  font-size: 12px;
  line-height: 1.5;
}

.wechat-comment strong {
  color: #576b95;
}

.wechat-comment span {
  color: #333333;
}

.wechat-comment.comment-ad {
  border-top: 1px dashed var(--line-soft);
  margin-top: 6px;
  padding-top: 6px;
}

.wechat-comment.comment-ad strong {
  color: var(--bronze);
}

/* 对比表格 Section */
.comparison {
  padding: 100px 0;
}

.comparison-table-wrapper {
  margin-top: 48px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-raised);
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(45, 42, 36, 0.04);
}

.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.comp-table th {
  background: var(--surface);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.comp-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.6;
}

.comp-table tr:last-child td {
  border-bottom: none;
}

.comp-dimension {
  font-weight: 700;
  color: var(--ink);
  width: 160px;
}

.comp-bad {
  color: var(--ink-muted);
  background: rgba(0, 0, 0, 0.01);
}

.comp-good {
  color: var(--ink);
  font-weight: 500;
  border-left: 2px solid var(--bronze);
}

.comp-good strong {
  color: var(--bronze-deep);
}

/* CTA 页脚横幅 */
.cta-banner {
  padding: 80px 0;
  background: var(--charcoal);
  color: var(--page-bg);
  text-align: center;
  border-top: 1px solid #3a3a36;
}

.cta-banner h2 {
  font-family: var(--serif);
  font-size: 36px;
  line-height: 1.3;
  margin-bottom: 20px;
  font-weight: 500;
}

.cta-banner p {
  color: var(--ink-faint);
  max-width: 600px;
  margin: 0 auto 36px;
  font-size: 16px;
}

.cta-banner .btn-primary {
  background: var(--page-bg);
  color: var(--charcoal);
  border-color: var(--page-bg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.cta-banner .btn-primary:hover {
  background: #ffffff;
  transform: translateY(-2px);
}

/* 页脚 */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-muted);
  font-size: 13px;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--serif);
  font-weight: bold;
  color: var(--ink);
  font-size: 15px;
}

/* 响应式样式 */
@media (max-width: 991px) {
  .hero h1 { font-size: 38px; }
  .philosophy-grid { grid-template-columns: 1fr; gap: 20px; }
  .feature-grid { grid-template-columns: 1fr; }
  .stage-layout { grid-template-columns: 1fr; gap: 24px; }
  .stage-details-card { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .comp-table { font-size: 13px; }
  .comp-table th, .comp-table td { padding: 16px; }
  .comp-dimension { width: 100px; }
}

@media (max-width: 767px) {
  .header { height: 64px; }
  .nav-menu { display: none; }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 15px; }
  .hero-ctas { flex-direction: column; width: 100%; max-width: 320px; margin: 0 auto 48px; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .stage-details-card { display: flex; flex-direction: column; }
  .wechat-mockup { width: 100%; }
  .footer .container { flex-direction: column; gap: 16px; text-align: center; }
}