/* 纸巾云机场 (PaperCloud) 柔和可爱·纸巾白官方样式表 */
:root {
  --bg-dark: #faf8f5;           /* 柔和纸巾白背景 */
  --bg-white: #ffffff;          /* 纯白卡片背景 */
  --bg-card: #ffffff;           /* 软萌卡片背景 */
  --bg-card-hover: #fff7ed;     /* 悬浮柔暖橙 */
  --accent-primary: #ff7a3d;    /* 活泼暖橙 */
  --accent-secondary: #ff9d66;  /* 柔粉橙 */
  --accent-light: #fff3eb;      /* 浅柔暖底色 */
  --accent-gradient: linear-gradient(135deg, #ff7a3d 0%, #ffb03a 100%);
  --accent-gradient-blue: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
  --accent-gradient-cute: linear-gradient(135deg, #ff80ab 0%, #ff7a3d 100%);
  --text-main: #1e293b;         /* 深灰温润主色 */
  --text-muted: #64748b;        /* 柔和次要文字 */
  --text-dim: #94a3b8;          /* 浅灰文字 */
  --border-color: #f1f5f9;      /* 极浅边框 */
  --border-highlight: #ffedd5;  /* 萌暖边框高亮 */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --shadow-sm: 0 4px 12px rgba(255, 122, 61, 0.08);
  --shadow-lg: 0 16px 35px rgba(255, 122, 61, 0.12);
  --shadow-glow: 0 10px 30px rgba(255, 122, 61, 0.2);
  --transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(255, 237, 213, 0.6) 0%, transparent 35%),
    radial-gradient(circle at 90% 85%, rgba(224, 242, 254, 0.6) 0%, transparent 35%);
  background-attachment: fixed;
}

/* Links */
a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: #e0561b;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 253, 249, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid #f3ebe1;
  padding: 0.9rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
}

.brand-logo img {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(255, 122, 61, 0.25);
  transform: rotate(-3deg);
  transition: var(--transition);
}

.brand-logo:hover img {
  transform: rotate(3deg) scale(1.08);
}

.brand-logo span.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-primary);
  background: var(--accent-light);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-size: 0.98rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 6px 20px rgba(255, 122, 61, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px rgba(255, 122, 61, 0.45);
  color: #fff;
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  border: 2px solid #f1e7dd;
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--accent-light);
  border-color: #ffd8bf;
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.btn-recommend {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

.btn-recommend:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.45);
  color: #fff;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.6rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 4rem;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.2rem;
  background: #fff3eb;
  border: 2px solid #ffd8bf;
  border-radius: 50px;
  color: var(--accent-primary);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(255, 122, 61, 0.1);
}

.hero h1 {
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
  color: #0f172a;
}

.hero p.subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 920px;
  margin: 0 auto;
  background: #ffffff;
  border: 2px solid #f3ebe1;
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.stat-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.25rem;
}

/* Sections */
.section {
  padding: 5rem 0;
  border-top: 2px dashed #f0e6dc;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: #0f172a;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.08rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}

.feature-card {
  background: #ffffff;
  border: 2px solid #f3ebe1;
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.01);
  border-color: #ffd8bf;
  box-shadow: var(--shadow-glow);
  background: #fffcf9;
}

.feature-icon {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: #fff3eb;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 12px rgba(255, 122, 61, 0.15);
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  color: #0f172a;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.6rem;
  align-items: stretch;
}

.pricing-card {
  background: #ffffff;
  border: 2px solid #f3ebe1;
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.6rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: #ffd8bf;
  box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
  border: 3px solid var(--accent-primary);
  box-shadow: var(--shadow-glow);
  background: linear-gradient(180deg, #fff9f5 0%, #ffffff 100%);
  transform: scale(1.04);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.35rem 0.9rem;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(255, 122, 61, 0.3);
}

.pricing-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: #0f172a;
}

.pricing-card .price {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.pricing-card .price span {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin: 1.5rem 0;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pricing-features li::before {
  content: "🧻";
  font-size: 0.85rem;
}

/* Articles Section */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.article-card {
  background: #ffffff;
  border: 2px solid #f3ebe1;
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.article-card:hover {
  transform: translateY(-6px);
  border-color: #ffd8bf;
  box-shadow: var(--shadow-lg);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}

.article-tag {
  background: #fff3eb;
  color: var(--accent-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-weight: 700;
}

.article-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  line-height: 1.45;
}

.article-card h3 a {
  color: #0f172a;
}

.article-card h3 a:hover {
  color: var(--accent-primary);
}

.article-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.4rem;
  flex-grow: 1;
  line-height: 1.6;
}

/* Testimonials / User Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.8rem;
}

.review-card {
  background: #ffffff;
  border: 2px solid #f3ebe1;
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: #ffd8bf;
  box-shadow: var(--shadow-lg);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.user-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 122, 61, 0.25);
}

.user-info h4 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #0f172a;
}

.user-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.rating {
  color: #f59e0b;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.review-card p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

/* FAQ Accordion */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.faq-item {
  background: #ffffff;
  border: 2px solid #f3ebe1;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.faq-item:hover {
  border-color: #ffd8bf;
}

.faq-question {
  width: 100%;
  padding: 1.35rem 1.6rem;
  background: none;
  border: none;
  color: #0f172a;
  font-size: 1.08rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--accent-primary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.6rem;
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.6rem 1.35rem;
}

/* Footer & PBN Links (Core Task 2) */
footer {
  background: #fffaf5;
  border-top: 2px solid #f3ebe1;
  padding: 4rem 0 2.5rem;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.3rem;
  font-weight: 800;
  color: #0f172a;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.footer-links {
  display: flex;
  gap: 1.6rem;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

/* PBN Friendship Link Area - Low-key, subtle, elegant */
.pbn-links-area {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px dashed #e8ded2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.pbn-links-area span {
  opacity: 0.8;
}

.pbn-links-area a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.pbn-links-area a:hover {
  color: var(--accent-primary);
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 1.5rem;
}

/* Article Detail Page Layout */
.article-page {
  padding: 3.5rem 0 6rem;
}

.article-container {
  max-width: 880px;
  margin: 0 auto;
  background: #ffffff;
  border: 2px solid #f3ebe1;
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  font-weight: 500;
}

.article-header h1 {
  font-size: 2.3rem;
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 1.2rem;
  color: #0f172a;
}

.article-body {
  font-size: 1.08rem;
  line-height: 1.85;
  color: #334155;
  margin-top: 2rem;
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #0f172a;
  margin: 2.6rem 0 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid #f3ebe1;
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #0f172a;
  margin: 2rem 0 0.9rem;
}

.article-body p {
  margin-bottom: 1.4rem;
}

.article-body ul, .article-body ol {
  margin: 1.2rem 0 1.6rem 1.6rem;
}

.article-body li {
  margin-bottom: 0.6rem;
}

.cta-box {
  background: linear-gradient(135deg, #fff5ee 0%, #fff0e6 100%);
  border: 2px solid #ffd8bf;
  border-radius: var(--radius-md);
  padding: 2.2rem;
  text-align: center;
  margin: 2.8rem 0;
  box-shadow: var(--shadow-sm);
}

.cta-box h3 {
  font-size: 1.45rem;
  color: #0f172a;
  margin-bottom: 0.85rem;
  font-weight: 800;
}

.cta-box p {
  color: var(--text-muted);
  margin-bottom: 1.4rem;
  font-size: 1.02rem;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.4rem;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-links {
    display: none;
  }
  .article-container {
    padding: 1.8rem;
  }
}

/* ===================================================
   客户端下载弹窗与下载中心专有样式 (PaperCloud 官方规范)
   =================================================== */

/* 弹窗遮罩与容器 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-highlight);
  box-shadow: 0 20px 50px rgba(255, 122, 61, 0.2);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem 1.8rem;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: none;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus {
  color: var(--accent-primary);
  background: var(--accent-light);
  outline: none;
}

.modal-header {
  text-align: center;
  margin-bottom: 1.2rem;
  padding-right: 1.5rem;
  padding-left: 1.5rem;
}

.modal-header .modal-icon {
  font-size: 2.4rem;
  margin-bottom: 0.4rem;
  display: inline-block;
}

.modal-header h3 {
  font-size: 1.4rem;
  color: var(--text-main);
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.modal-header p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 弹窗选定套餐高亮提示 */
.modal-plan-badge {
  background: var(--accent-light);
  border: 1px dashed var(--accent-primary);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1rem;
  margin-bottom: 1.2rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--accent-primary);
  display: none;
}

.modal-plan-badge.show {
  display: block;
}

.modal-plan-badge strong {
  color: #c2410c;
  font-size: 0.98rem;
}

/* 客户端下载平台按钮组 */
.modal-platform-group {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.platform-download-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 2px solid #fed7aa;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

.platform-download-btn:hover {
  border-color: var(--accent-primary);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.platform-download-btn.primary-platform {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #ffffff;
  box-shadow: var(--shadow-glow);
}

.platform-download-btn.primary-platform:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 122, 61, 0.35);
  color: #ffffff;
}

.platform-download-btn.primary-platform .btn-sub {
  color: rgba(255, 255, 255, 0.85);
}

.platform-download-btn.primary-platform .btn-arrow {
  color: #ffffff;
}

.platform-btn-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.platform-btn-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.platform-btn-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.btn-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
}

.btn-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.btn-arrow {
  font-size: 1.2rem;
  color: var(--accent-primary);
  font-weight: 700;
}

/* 客户端内三步指引简图 */
.modal-steps-guide {
  background: #f8fafc;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  margin-bottom: 1.2rem;
  border: 1px solid #f1f5f9;
}

.steps-guide-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  text-align: center;
}

.steps-mini-list {
  display: flex;
  justify-content: space-around;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-main);
}

.steps-mini-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.steps-mini-item .step-num {
  width: 18px;
  height: 18px;
  background: var(--accent-primary);
  color: #ffffff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: bold;
}

.modal-footer-nav {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-top: 0.5rem;
  border-top: 1px solid #f1f5f9;
}

.modal-footer-nav a {
  color: var(--accent-primary);
  font-weight: 600;
  text-decoration: underline;
}

/* 禁止背景滚动 */
body.modal-open {
  overflow: hidden;
}

/* ===================================================
   下载中心 (/download/) 专属样式
   =================================================== */
.download-page {
  padding: 3rem 0 5rem;
}

.download-hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.5rem;
}

.download-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.download-hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.download-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.download-card {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.download-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.download-card.highlight {
  border-color: var(--accent-primary);
  background: linear-gradient(180deg, #fffaf5 0%, #ffffff 100%);
}

.download-card-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.8rem;
  padding: 0.3rem 0.9rem;
  border-radius: 99px;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(255, 122, 61, 0.3);
}

.download-card-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 1.5rem;
}

.download-card-icon {
  font-size: 3rem;
  line-height: 1;
}

.download-card-title h3 {
  font-size: 1.4rem;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.download-card-title p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.download-specs {
  list-style: none;
  margin-bottom: 1.8rem;
  flex-grow: 1;
}

.download-specs li {
  padding: 0.45rem 0;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-bottom: 1px dashed #f1f5f9;
  display: flex;
  justify-content: space-between;
}

.download-specs li strong {
  color: var(--text-main);
}

.download-card .btn {
  width: 100%;
  text-align: center;
  padding: 0.85rem 1.5rem;
  font-size: 1.05rem;
}

.guide-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.guide-step-card {
  background: #ffffff;
  border-radius: var(--radius-sm);
  padding: 1.8rem;
  border: 1px solid #f1f5f9;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-card-num {
  width: 36px;
  height: 36px;
  background: var(--accent-light);
  color: var(--accent-primary);
  border: 2px solid #fed7aa;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.guide-step-card h4 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.guide-step-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}