/* ===== 落地页样式 ===== */
:root {
  --lp-primary: #c8102e;
  --lp-primary-dark: #9a0d22;
  --lp-primary-light: #e85667;
  --lp-primary-soft: #fff1f2;
  --lp-accent: #d4a017;
  --lp-text: #1f2937;
  --lp-text-mute: #6b7280;
  --lp-text-light: #9ca3af;
  --lp-bg: #ffffff;
  --lp-bg-soft: #f9fafb;
  --lp-bg-alt: #f3f4f6;
  --lp-border: #e5e7eb;
  --lp-radius: 12px;
  --lp-radius-lg: 20px;
  --lp-shadow: 0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.06);
  --lp-shadow-md: 0 4px 6px -1px rgba(0,0,0,.06), 0 2px 4px -2px rgba(0,0,0,.04);
  --lp-shadow-lg: 0 25px 50px -12px rgba(200,16,46,.18);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
              "Segoe UI", Roboto, sans-serif;
  color: var(--lp-text);
  background: var(--lp-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.lp-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 按钮 ===== */
.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.lp-btn-primary {
  background: var(--lp-primary);
  color: white;
  border-color: var(--lp-primary);
}
.lp-btn-primary:hover {
  background: var(--lp-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px -4px rgba(200,16,46,.4);
}
.lp-btn-ghost {
  background: transparent;
  color: var(--lp-text);
  border-color: var(--lp-border);
}
.lp-btn-ghost:hover {
  border-color: var(--lp-primary);
  color: var(--lp-primary);
}
.lp-btn-white {
  background: white;
  color: var(--lp-primary);
  border-color: white;
}
.lp-btn-white:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px -4px rgba(0,0,0,.2);
}
.lp-btn-lg {
  padding: 14px 28px;
  font-size: 15px;
  border-radius: 10px;
}
.lp-btn-block {
  display: flex;
  width: 100%;
}
.lp-arrow {
  display: inline-block;
  transition: transform 0.2s;
}
.lp-btn:hover .lp-arrow {
  transform: translateX(3px);
}

/* ===== 顶部导航 ===== */
.lp-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}
.lp-nav.scrolled {
  border-bottom-color: var(--lp-border);
  box-shadow: var(--lp-shadow);
}
.lp-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.lp-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
}
.lp-logo-icon {
  font-size: 24px;
}
.lp-logo-text {
  background: linear-gradient(135deg, var(--lp-primary), var(--lp-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lp-nav-links {
  display: flex;
  gap: 32px;
}
.lp-nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--lp-text-mute);
  transition: color 0.2s;
}
.lp-nav-links a:hover { color: var(--lp-primary); }
.lp-nav-actions {
  display: flex;
  gap: 10px;
}

/* ===== Hero ===== */
.lp-hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.lp-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(200,16,46,.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(212,160,23,.06) 0%, transparent 40%),
    linear-gradient(180deg, #fafbff 0%, #ffffff 100%);
  z-index: -1;
}
.lp-hero-inner {
  text-align: center;
}
.lp-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--lp-text-mute);
  margin-bottom: 24px;
  box-shadow: var(--lp-shadow);
}
.lp-hero-title {
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.lp-gradient {
  background: linear-gradient(135deg, var(--lp-primary) 0%, var(--lp-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.lp-hero-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--lp-text-mute);
  margin-bottom: 36px;
  line-height: 1.7;
}
.lp-hero-subtitle em {
  color: var(--lp-primary);
  font-style: normal;
  font-weight: 600;
}
.lp-hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.lp-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 720px;
  margin: 0 auto;
}
.lp-stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--lp-primary);
  line-height: 1;
}
.lp-stat-num span {
  font-size: 16px;
  font-weight: 600;
  color: var(--lp-text-mute);
  margin-left: 2px;
}
.lp-stat-label {
  font-size: 13px;
  color: var(--lp-text-mute);
  margin-top: 6px;
}

/* Hero 演示卡片 */
.lp-demo-card {
  margin-top: 70px;
  background: white;
  border-radius: var(--lp-radius-lg);
  box-shadow: var(--lp-shadow-lg);
  border: 1px solid var(--lp-border);
  overflow: hidden;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.lp-demo-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  background: var(--lp-bg-alt);
  border-bottom: 1px solid var(--lp-border);
}
.lp-demo-dots {
  display: flex;
  gap: 6px;
}
.lp-demo-dots span {
  width: 11px; height: 11px; border-radius: 50%;
  background: #e5e7eb;
}
.lp-demo-dots span:nth-child(1) { background: #ff5f57; }
.lp-demo-dots span:nth-child(2) { background: #ffbd2e; }
.lp-demo-dots span:nth-child(3) { background: #28ca42; }
.lp-demo-tab {
  font-size: 12px;
  color: var(--lp-text-mute);
  font-family: ui-monospace, monospace;
}
.lp-demo-body {
  padding: 24px 28px;
  text-align: left;
  font-size: 14px;
}
.lp-demo-input {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  background: var(--lp-bg-soft);
  border-radius: 10px;
  margin-bottom: 16px;
  color: var(--lp-text);
}
.lp-demo-prompt {
  font-size: 18px;
  flex-shrink: 0;
}
.lp-demo-output {
  padding: 16px 20px;
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: 10px;
  font-family: "FangSong", "STSong", "SimSun", serif;
}
.lp-demo-doc-title {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.lp-demo-doc-line {
  margin: 8px 0;
  line-height: 1.8;
  font-size: 14px;
}
.lp-demo-typing {
  display: inline-flex;
  gap: 3px;
  margin-left: 4px;
}
.lp-demo-typing span {
  width: 5px; height: 5px;
  background: var(--lp-primary-light);
  border-radius: 50%;
  animation: typing 1.4s ease infinite;
}
.lp-demo-typing span:nth-child(2) { animation-delay: 0.2s; }
.lp-demo-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}

/* ===== Section 通用 ===== */
.lp-section {
  padding: 90px 0;
}
.lp-section-head {
  text-align: center;
  margin-bottom: 56px;
}
.lp-section-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(200,16,46,.1);
  color: var(--lp-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.lp-section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 14px;
}
.lp-section-sub {
  font-size: clamp(14px, 2vw, 17px);
  color: var(--lp-text-mute);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== 痛点 ===== */
.lp-painpoint {
  background: var(--lp-bg-soft);
}
.lp-painpoint-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.lp-pain {
  text-align: center;
  padding: 32px 24px;
  background: white;
  border-radius: var(--lp-radius);
  box-shadow: var(--lp-shadow);
  transition: transform 0.2s;
}
.lp-pain:hover {
  transform: translateY(-4px);
  box-shadow: var(--lp-shadow-md);
}
.lp-pain-icon {
  font-size: 40px;
  margin-bottom: 14px;
}
.lp-pain h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.lp-pain p {
  font-size: 13.5px;
  color: var(--lp-text-mute);
  line-height: 1.7;
}

/* ===== 功能特性 ===== */
.lp-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.lp-feature {
  position: relative;
  padding: 32px 28px;
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  transition: all 0.25s;
}
.lp-feature:hover {
  border-color: var(--lp-primary-light);
  box-shadow: var(--lp-shadow-lg);
  transform: translateY(-4px);
}
.lp-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  font-size: 24px;
  margin-bottom: 18px;
}
.lp-icon-blue { background: rgba(200,16,46,.1); }
.lp-icon-green { background: rgba(16,185,129,.1); }
.lp-icon-purple { background: rgba(168,85,247,.1); }
.lp-icon-orange { background: rgba(212,160,23,.1); }

.lp-feature h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
}
.lp-feature p {
  font-size: 14px;
  color: var(--lp-text-mute);
  line-height: 1.7;
}
.lp-feature-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--lp-accent);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
}

/* ===== 公文类型 ===== */
.lp-types {
  background: var(--lp-bg-soft);
}
.lp-types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.lp-type {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  transition: all 0.2s;
}
.lp-type:hover {
  border-color: var(--lp-primary-light);
  background: rgba(200,16,46,.02);
  transform: translateX(4px);
}
.lp-type-icon {
  font-size: 28px;
  flex-shrink: 0;
}
.lp-type h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
}
.lp-type p {
  font-size: 12.5px;
  color: var(--lp-text-mute);
  line-height: 1.4;
}

/* ===== 公文写作方法 ===== */
.lp-method {
  background: linear-gradient(180deg, #fff 0%, var(--lp-bg-soft) 100%);
}
.lp-method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);   /* 桌面：4 列同行 */
  gap: 18px;
  align-items: stretch;
}
@media (min-width: 1100px) {
  /* 桌面 4 列时单卡更紧凑 */
  .lp-method-card { padding: 18px 16px 14px; }
  .lp-method-card-head { gap: 8px; margin-bottom: 12px; padding-bottom: 10px; }
  .lp-method-icon { width: 32px; height: 32px; border-radius: 7px; }
  .lp-method-icon svg { width: 17px; height: 17px; }
  .lp-method-card-head h3 { font-size: 14.5px; }
  .lp-method-sub { font-size: 11.5px; margin-top: 3px; }
  .lp-method-defs { column-gap: 10px; row-gap: 7px; }
  .lp-method-defs dt { font-size: 11.5px; padding: 1px 6px; }
  .lp-method-defs dd { font-size: 12.5px; line-height: 1.65; }
  .lp-method-foot { font-size: 11px; padding-top: 10px; margin-top: 12px; }
}
@media (max-width: 1099px) {
  /* 中屏：2+2 均衡，避免 3+1 落单 */
  .lp-method-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  /* 窄屏：堆叠 */
  .lp-method-grid { grid-template-columns: 1fr; }
}
.lp-method-card {
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 22px 22px 18px;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}
.lp-method-card:hover {
  border-color: var(--lp-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 16, 46, 0.06);
}

/* 卡片头部：左 SVG 图标 + 右标题/副标题 */
.lp-method-card-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--lp-border);
}
.lp-method-icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(200, 16, 46, 0.06);
  border-radius: 8px;
  color: var(--lp-primary);
}
.lp-method-icon svg { width: 20px; height: 20px; display: block; }
.lp-method-headtext { min-width: 0; flex: 1; }
.lp-method-card-head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--lp-text);
  line-height: 1.3;
}
.lp-method-sub {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--lp-text-mute);
  font-weight: 400;
  letter-spacing: 0.2px;
}

/* 内部 dl：严格双列对齐 */
.lp-method-defs {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  row-gap: 9px;
  flex: 1;
  align-content: start;
}
.lp-method-defs dt {
  color: var(--lp-primary);
  font-weight: 600;
  font-size: 12.5px;
  padding: 2px 8px;
  background: rgba(200, 16, 46, 0.06);
  border-radius: 4px;
  text-align: center;
  align-self: start;
  white-space: nowrap;
  line-height: 1.5;
  /* 让所有 dt 等宽：自动撑到本行最大值（grid auto-track） */
}
.lp-method-defs dd {
  margin: 0;
  font-size: 13.5px;
  color: var(--lp-text);
  line-height: 1.7;
  align-self: center;
}

.lp-method-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--lp-border);
  font-size: 11.5px;
  color: var(--lp-text-mute);
  letter-spacing: 0.2px;
}

/* ===== 金句典故库 ===== */
.lp-quotes {
  background: var(--lp-bg-soft);
}
.lp-quotes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  align-items: stretch;
}
.lp-quote-card {
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 18px 20px;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}
.lp-quote-card:hover {
  border-color: var(--lp-primary-light);
  box-shadow: 0 6px 18px rgba(200, 16, 46, 0.08);
  transform: translateY(-2px);
}
.lp-quote-tag {
  align-self: flex-start;
  font-size: 11.5px;
  color: var(--lp-primary);
  background: rgba(200, 16, 46, 0.08);
  padding: 3px 10px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.lp-quote-text {
  flex: 1;
  font-size: 16px;
  color: var(--lp-text);
  line-height: 1.75;
  font-family: "FangSong", "STFangsong", "KaiTi", serif;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: 0.3px;
}
.lp-quote-source {
  font-size: 12px;
  color: var(--lp-text-mute);
  text-align: right;
  font-style: italic;
}
.lp-quote-source::before { content: "— "; }
.lp-quotes-foot {
  margin-top: 28px;
  text-align: center;
  padding: 14px 20px;
  background: rgba(200, 16, 46, 0.04);
  border-radius: var(--lp-radius);
  font-size: 13px;
  color: var(--lp-text-mute);
}

@media (max-width: 720px) {
  .lp-method-grid,
  .lp-quotes-grid {
    grid-template-columns: 1fr;
  }
  .lp-quote-text { font-size: 15px; }
}

/* ===== 使用场景 ===== */
.lp-scenes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.lp-scene {
  padding: 28px 26px;
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
}
.lp-scene-tag {
  display: inline-block;
  padding: 6px 12px;
  background: var(--lp-bg-soft);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
}
.lp-scene p {
  font-size: 14px;
  color: var(--lp-text-mute);
  line-height: 1.7;
}

/* ===== 价格 ===== */
.lp-pricing {
  background: var(--lp-bg-soft);
}
.lp-pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
}
.lp-price-card {
  position: relative;
  padding: 36px 30px;
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius-lg);
  transition: transform 0.2s;
}
.lp-price-card:hover {
  transform: translateY(-4px);
}
.lp-price-card-featured {
  border: 2px solid var(--lp-primary);
  box-shadow: var(--lp-shadow-lg);
  transform: translateY(-8px);
}
.lp-price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lp-primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
}
.lp-price-tag {
  font-size: 13px;
  color: var(--lp-text-mute);
  margin-bottom: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.lp-price-amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}
.lp-price-was {
  font-size: 15px;
  color: var(--lp-text-muted, #9ca3af);
  margin-left: 6px;
}
.lp-price-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--lp-text);
  line-height: 1;
}
.lp-price-unit {
  font-size: 16px;
  color: var(--lp-text-mute);
}
.lp-price-desc {
  font-size: 13px;
  color: var(--lp-text-mute);
  margin-bottom: 24px;
}
.lp-price-features {
  margin-bottom: 24px;
}
.lp-price-features li {
  padding: 7px 0;
  font-size: 14px;
  color: var(--lp-text);
  border-top: 1px solid var(--lp-border);
}

/* ===== FAQ ===== */
.lp-faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.lp-faq-item {
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s;
}
.lp-faq-item[open] {
  border-color: var(--lp-primary-light);
  box-shadow: var(--lp-shadow-md);
}
.lp-faq-item summary {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.lp-faq-item summary::-webkit-details-marker { display: none; }
.lp-faq-item summary::after {
  content: '+';
  font-size: 22px;
  font-weight: 400;
  color: var(--lp-text-mute);
  transition: transform 0.2s;
}
.lp-faq-item[open] summary::after {
  transform: rotate(45deg);
}
.lp-faq-item p {
  padding: 0 24px 22px;
  color: var(--lp-text-mute);
  line-height: 1.8;
  font-size: 14px;
}

/* ===== 底部 CTA ===== */
.lp-cta-final {
  padding: 90px 0;
  background: linear-gradient(135deg, var(--lp-primary) 0%, var(--lp-primary-dark) 100%);
  color: white;
  text-align: center;
}
.lp-cta-final h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.lp-cta-final p {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.lp-footer {
  background: #111827;
  color: #d1d5db;
  padding: 60px 0 32px;
}
.lp-footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid #374151;
}
.lp-footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}
.lp-footer-desc {
  font-size: 13.5px;
  color: #9ca3af;
  line-height: 1.7;
}
.lp-footer-col h4 {
  color: white;
  font-size: 14px;
  margin-bottom: 14px;
}
.lp-footer-col a {
  display: block;
  font-size: 13.5px;
  color: #9ca3af;
  padding: 4px 0;
  transition: color 0.2s;
}
.lp-footer-col a:hover { color: white; }
.lp-footer-text {
  font-size: 13px;
  color: #9ca3af;
  line-height: 1.8;
}
.lp-footer-bottom {
  text-align: center;
  font-size: 13px;
  color: #9ca3af;
}
.lp-footer-bottom a {
  color: #9ca3af;
  transition: color 0.2s;
}
.lp-footer-bottom a:hover { color: white; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .lp-nav-links { display: none; }
  .lp-hero { padding: 50px 0 70px; }
  .lp-section { padding: 60px 0; }
  .lp-hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .lp-stat-num { font-size: 28px; }
  .lp-footer-inner { grid-template-columns: 1fr 1fr; }
  .lp-price-card-featured { transform: none; }
  .lp-demo-card { margin-top: 40px; }
  .lp-demo-body { padding: 16px; }
}

/* 公文类型分组小标题（法定公文 / 常用文稿）*/
.lp-types-subhead {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 36px 0 18px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--lp-border);
}
.lp-types-subhead:first-of-type { margin-top: 0; }
.lp-types-subhead-tag {
  font-size: 15px;
  font-weight: 700;
  color: var(--lp-primary);
  letter-spacing: 1px;
  padding: 2px 12px;
  background: rgba(200, 16, 46, 0.06);
  border-radius: 4px;
}
.lp-types-subhead-alt .lp-types-subhead-tag {
  color: #b87f0a;
  background: rgba(212, 160, 23, 0.10);
}
.lp-types-subhead-desc {
  font-size: 13.5px;
  color: var(--lp-text-mute);
}

/* 常用文稿卡片：金黄边框基调，区别于法定公文红色基调 */
.lp-type-alt:hover {
  border-color: #d4a017 !important;
  background: rgba(212, 160, 23, 0.03) !important;
}
.lp-type-alt:hover .lp-type-icon {
  filter: hue-rotate(-30deg);
}

/* ===== 手机端小屏补充（≤480）===== */
@media (max-width: 480px) {
  body { overflow-x: hidden; }
  .lp-container { padding-left: 16px; padding-right: 16px; }
  .lp-nav-inner { gap: 8px; }
  .lp-nav-actions { gap: 6px; }
  .lp-btn { padding: 7px 12px; font-size: 13px; }
  .lp-nav-actions .lp-btn-ghost { display: none; } /* 顶栏只留"立即体验"，登录入口在应用页 */
  .lp-hero-cta { gap: 10px; }
  .lp-hero-cta .lp-btn-lg { width: 100%; justify-content: center; }
  .lp-footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
}