/**
 * QuantaPay Pages 组件库 V2.0
 * 通用语义化组件系统 - 支持所有动态Pages
 * 
 * 架构原则：
 * 1. 构建脚本只输出语义化HTML class（qp-hero, qp-card等）
 * 2. 本CSS文件定义这些class的样式
 * 3. Tailwind提供prose等基础工具类
 * 4. 添加新页面无需修改构建脚本或CSS
 */

:root {
  --qp-blue: #0ea5e9;
  --qp-purple: #8b5cf6;
  --qp-cyan: #06b6d4;
  --qp-secondary: #2563eb;
  --qp-text-primary: #0f172a;
  --qp-text-secondary: #334155;
  --qp-border: #e2e8f0;
  --qp-bg-accent: #f8fbff;
}

/* ==========================================================================
   基础重置和布局
   ========================================================================== */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: #f6f8fc;
  min-height: 100vh;
  color: var(--qp-text-primary);
  -webkit-font-smoothing: antialiased;
}

main.page-content {
  display: block;
  width: 100%;
  position: relative;
  z-index: 1;
  padding-bottom: clamp(48px, 10vw, 100px);
}

/* ==========================================================================
   基础容器
   ========================================================================== */

.qp-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .qp-container {
    padding: 0 2rem;
  }
}

.qp-section {
  padding: clamp(28px, 5vw, 48px) 0;
  margin: 0;
  width: 100%;
  clear: both;
  position: relative;
  scroll-margin-top: 96px;
}

@media (min-width: 768px) {
  .qp-section {
    padding: clamp(40px, 6vw, 72px) 0;
  }
}

/* Section Frame - demo风格白色卡片容器 */
.qp-section-frame {
  background: white;
  border-radius: 26px;
  padding: clamp(28px, 6vw, 48px);
  box-shadow: 0 28px 68px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.6);
}

/* 渐变背景效果 */
.qp-section::before,
.qp-section::after {
  display: none;
}

/* 🔥 给纯文字section（只有标题没有卡片的section）添加卡片样式 */
.qp-section:has(> .qp-container > .qp-section-title:last-child) .qp-section-title {
  background: white;
  border-radius: 1.5rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid #e5e7eb;
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .qp-section:has(> .qp-container > .qp-section-title:last-child) .qp-section-title {
    padding: 3rem 2.5rem;
  }
}

/* ==========================================================================
   Hero 区域
   ========================================================================== */

.qp-hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, #eff5ff 0%, #f8f3ff 55%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .qp-hero {
    padding: 6rem 0;
  }
}

.qp-hero-content {
  max-width: 48rem;
}

.qp-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.qp-hero::before,
.qp-hero::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
}

.qp-hero::before {
  width: 420px;
  height: 420px;
  right: -140px;
  top: -120px;
  background: radial-gradient(60% 60% at 50% 50%, rgba(14, 165, 233, 0.25), transparent 70%);
  filter: blur(20px);
  opacity: 0.7;
}

.qp-hero::after {
  width: 360px;
  height: 360px;
  left: -120px;
  bottom: -160px;
  background: radial-gradient(65% 65% at 50% 50%, rgba(139, 92, 246, 0.24), transparent 70%);
  filter: blur(18px);
  opacity: 0.6;
}

/* ==========================================================================
   Tag / Eyebrow (板块标签)
   ========================================================================== */

.qp-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.12);
  color: var(--qp-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 12px;
}

/* ==========================================================================
   Section Title (避免和header标签冲突)
   ========================================================================== */

.qp-section-title {
  max-width: 720px;
  margin: clamp(-8px, -1vw, -4px) 0 clamp(18px, 3vw, 28px);
  text-align: left;
  position: relative;
  padding-left: clamp(18px, 3vw, 28px);
}

.qp-section-title .prose h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1rem;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .qp-section-title .prose h2 {
    font-size: 2.5rem;
  }
}

.qp-section-title .prose p {
  font-size: 1.125rem;
  color: #374151;
  line-height: 1.75;
  margin: 0;
  border-left: 3px solid transparent;
  padding-left: 0;
}

.qp-section-title .prose ul {
  text-align: left;
  margin-top: 1.5rem;
  padding-left: 1.5rem;
  list-style: disc;
}

.qp-section-title .prose ul li {
  color: #374151;
  line-height: 1.75;
  margin: 0.5rem 0;
}

.qp-section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(14, 165, 233, 0.85), rgba(139, 92, 246, 0.85));
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.18);
}

/* ==========================================================================
   布局系统
   ========================================================================== */

/* 网格布局 */
.qp-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .qp-grid {
    gap: 2rem;
  }
}

.qp-grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .qp-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.qp-grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .qp-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.qp-grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .qp-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .qp-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 垂直堆叠布局 */
.qp-stack {
  display: block;
  margin-top: 1.5rem;
  border: 1px solid rgba(210, 222, 240, 0.75);
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.05);
}

@media (min-width: 1024px) {
  .qp-stack {
    border-radius: 16px;
  }
}

/* ==========================================================================
   卡片组件
   ========================================================================== */

.qp-card,
.qp-card-full {
  position: relative;
  background: #ffffff;
  border-radius: 18px;
  padding: clamp(26px, 4vw, 32px);
  border: 1px solid rgba(210, 222, 240, 0.8);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.07);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

@media (min-width: 768px) {
  .qp-card,
  .qp-card-full {
    padding: clamp(28px, 3vw, 36px);
  }
}

.qp-card:hover,
.qp-card-full:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
}

.qp-card::before,
.qp-card-full::before {
  content: "";
  position: absolute;
  inset: -75% 45% 60% -35%;
  background: radial-gradient(120% 120% at 50% 50%, rgba(14, 165, 233, 0.16), transparent 72%);
  opacity: 0.25;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.qp-card:hover::before,
.qp-card-full:hover::before {
  opacity: 0.38;
}

.qp-stack .qp-card-full {
  padding: 0;
  border: 0;
  border-bottom: 1px solid #dde6f3;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  transform: none;
  overflow: visible;
}

.qp-stack .qp-card-full::before {
  display: none;
}

.qp-stack .qp-card-full:last-child {
  border-bottom: none;
}

.qp-stack .qp-card-full .prose {
  display: grid;
  grid-template-columns: minmax(180px, 230px) minmax(0, 1fr);
  align-items: stretch;
  width: 100%;
  background: #ffffff;
}

.qp-stack .qp-card-full .prose > h3 {
  margin: 0;
  padding: 20px 24px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #1f4ed6;
  background: #f0f5fb;
  border-right: 1px solid #d4deec;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  text-align: right;
}

.qp-stack .qp-card-full:nth-child(even) .prose > h3 {
  background: #e7effb;
}

.qp-stack .qp-card-full .prose > *:not(h3) {
  grid-column: 2;
  padding: 20px clamp(22px, 5vw, 32px);
  margin: 0;
  color: var(--qp-text-primary);
  background: #ffffff;
}

.qp-stack .qp-card-full .prose > ul {
  margin: 0;
  padding-left: 1.25rem;
  list-style: disc;
}

.qp-stack .qp-card-full .prose > ul li {
  margin: 0.35rem 0;
  color: var(--qp-text-primary);
  line-height: 1.65;
}

.qp-stack .qp-card-full .prose > ul li::marker {
  color: #2563eb;
}

.qp-stack .qp-card-full .prose > p {
  color: var(--qp-text-secondary);
  line-height: 1.7;
}

.qp-stack .qp-card-full .prose:has(> ul + p) {
  grid-template-columns: minmax(180px, 220px) minmax(0, 1.05fr) minmax(0, 0.85fr);
}

.qp-stack .qp-card-full .prose:has(> ul + p) > ul {
  grid-column: 2;
  border-right: 1px solid #d0dbe8;
  padding-right: clamp(16px, 3vw, 28px);
  margin-right: clamp(12px, 2vw, 20px);
  list-style-position: inside;
}

.qp-stack .qp-card-full .prose:has(> ul + p) > p {
  grid-column: 3;
  color: var(--qp-text-primary);
}

.qp-stack .qp-card-full .prose:has(> ul + p) > *:not(h3, ul, p) {
  grid-column: 2 / -1;
  border-top: 1px solid #d0dbe8;
  margin-top: 20px;
  padding-top: clamp(18px, 4vw, 24px);
  background: #ffffff;
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) {
  grid-template-columns: minmax(180px, 220px) repeat(2, minmax(0, 1fr));
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > p:nth-of-type(1) {
  grid-column: 2;
  border-right: 1px solid #d0dbe8;
  background: transparent;
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > p:nth-of-type(2) {
  grid-column: 3;
  background: transparent;
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > *:not(h3, p:nth-of-type(1), p:nth-of-type(2)) {
  grid-column: 2 / -1;
  border-top: 1px solid #d0dbe8;
  background: #ffffff;
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > h3 {
  justify-content: center;
  text-align: center;
  align-items: center;
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > p {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > p:first-of-type {
  color: #0f172a;
}

.qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > p:nth-of-type(2) {
  color: #0f172a;
}

.qp-stack .qp-card-full:hover,
.qp-stack .qp-card-full:focus-within {
  transform: none;
  box-shadow: none;
  border-bottom-color: #dde6f3;
}

@media (max-width: 767px) {
  .qp-stack {
    border-radius: 14px;
  }

  .qp-stack .qp-card-full .prose {
    grid-template-columns: 1fr;
    background: #ffffff;
  }

  .qp-stack .qp-card-full .prose > h3 {
    justify-content: flex-start;
    text-align: left;
    border-right: none;
    border-bottom: 1px solid #d0dbe8;
    background: #f0f5fb;
  }

  .qp-stack .qp-card-full .prose > *:not(h3) {
    grid-column: 1;
    background: #ffffff;
  }

  .qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) {
    grid-template-columns: 1fr;
  }

  .qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > p:nth-of-type(1) {
    border-right: none;
  }

  .qp-stack .qp-card-full .prose:has(> p:nth-of-type(2)) > *:not(h3, p:nth-of-type(1), p:nth-of-type(2)) {
    border-top: 1px solid #d0dbe8;
    background: #ffffff;
  }

  .qp-stack .qp-card-full .prose:has(> ul + p) > ul {
    border-right: none;
    padding-right: 0;
    margin-right: 0;
  }

  .qp-stack .qp-card-full .prose:has(> ul + p) > *:not(h3, ul, p) {
    grid-column: 1;
    border-top: 1px solid #d0dbe8;
  }
}

/* 卡片内标题样式 */
.qp-card .prose h2,
.qp-card-full .prose h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #111827;
  margin: 0.5rem 0;
  line-height: 1.1;
}

.qp-card .prose h3,
.qp-card-full .prose h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--qp-blue);
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.875rem;
}

.qp-card .prose p,
.qp-card-full .prose p {
  font-size: 1rem;
  color: #374151;
  line-height: 1.75;
  margin: 0.75rem 0;
}

.qp-card .prose ul,
.qp-card-full .prose ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
  list-style: disc;
}

.qp-card .prose ul li,
.qp-card-full .prose ul li {
  color: #374151;
  line-height: 1.75;
  margin: 0.5rem 0;
}

.qp-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--qp-blue);
  font-weight: 600;
  text-decoration: none;
  margin-top: 1rem;
  transition: color 0.2s ease;
}

.qp-card-link:hover {
  color: var(--qp-purple);
}

/* ==========================================================================
   CTA 区域
   ========================================================================== */

.qp-cta {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--qp-blue) 0%, var(--qp-purple) 100%);
}

@media (min-width: 768px) {
  .qp-cta {
    padding: 7rem 0;
  }
}

.qp-cta-content {
  max-width: 64rem;
  margin: 0 auto;
  text-align: center;
}

.qp-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

/* ==========================================================================
   按钮组件
   ========================================================================== */

.qp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

/* Hero按钮 */
.qp-btn-default {
  background: linear-gradient(135deg, var(--qp-blue), var(--qp-purple));
  color: white;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.qp-btn-default:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.4);
}

.qp-btn-outline {
  border-color: var(--qp-blue);
  color: var(--qp-blue);
  background: transparent;
}

.qp-btn-outline:hover {
  background: var(--qp-blue);
  color: white;
}

.qp-btn-secondary {
  background: rgba(14, 165, 233, 0.1);
  color: var(--qp-blue);
}

.qp-btn-secondary:hover {
  background: rgba(14, 165, 233, 0.2);
}

/* CTA按钮 */
.qp-btn-cta-default,
.qp-btn-cta-primary {
  background: white;
  color: var(--qp-purple);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.qp-btn-cta-default:hover,
.qp-btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.qp-btn-cta-outline,
.qp-btn-cta-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: white;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.qp-btn-cta-outline:hover,
.qp-btn-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   Prose样式覆盖（配合Tailwind prose）
   ========================================================================== */

.qp-hero .prose h1 {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: #111827;
}

@media (min-width: 768px) {
  .qp-hero .prose h1 {
    font-size: 3.5rem;
  }
}

.qp-hero .prose p {
  font-size: 1.125rem;
  color: #374151;
  line-height: 1.75;
}

.qp-cta .prose h2 {
  color: white;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .qp-cta .prose h2 {
    font-size: 2.5rem;
  }
}

.qp-cta .prose p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
}

/* ==========================================================================
   响应式调整
   ========================================================================== */

@media (max-width: 640px) {
  .qp-hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .qp-hero-actions .qp-btn {
    width: 100%;
  }
}