/* ==========================================================================
   花云 (FlowerCloud) 官网服务介绍与推广落地页 - 极简原生样式表
   域名: guanwang.flower-cloud.buzz
   设计原则: 秒开加载、现代化极简、完全移动端响应式、SEO友好
   品牌主色调: 深度提炼自花云官方Logo（日落金橙 #f59e0b -> 珊瑚玫红 #e11d48 -> 高贵深紫 #9333ea）
   ========================================================================== */

:root {
  /* 花云品牌同源色彩体系 */
  --primary: #e11d48;
  --primary-hover: #be123c;
  --primary-light: #ffe4e6;
  --primary-glow: rgba(225, 29, 72, 0.35);
  
  --accent-gold: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #9333ea;
  --accent-cyan: #fb7185; /* 次级强调色：温暖珊瑚粉 */
  
  --brand-gradient: linear-gradient(135deg, #f59e0b 0%, #e11d48 52%, #9333ea 100%);
  --brand-gradient-hover: linear-gradient(135deg, #fbbf24 0%, #f43f5e 50%, #a855f7 100%);
  --brand-gradient-subtle: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(225, 29, 72, 0.15) 50%, rgba(147, 51, 234, 0.15) 100%);

  --success: #10b981;
  --warning: #f59e0b;
  
  --bg-main: #0c0d14;
  --bg-card: #13141f;
  --bg-card-hover: #1c1d2e;
  --bg-elevated: #232238;
  --border-color: #26243a;
  --border-light: rgba(255, 255, 255, 0.08);

  --text-main: #fbfbfd;
  --text-muted: #9fa3b5;
  --text-dim: #6d7085;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.35);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.45), 0 2px 4px -2px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 10px 18px -3px rgba(0, 0, 0, 0.55), 0 4px 6px -4px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 28px -5px var(--primary-glow);

  --max-width: 1200px;
  --content-width: 860px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.65;
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  /* 适配花云Logo的深空暮光渐变底色 */
  background: radial-gradient(circle at 50% -8%, #27142b 0%, #150f1f 42%, var(--bg-main) 78%);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ==========================================================================
   容器与栅格布局
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 3.5rem 0;
  position: relative;
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

.section-header {
  text-align: center;
  margin-bottom: 2.75rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.12);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.section-title {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.25rem;
  }
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}

/* ==========================================================================
   导航头部 Header（移动端横向滑移胶囊 + 桌面端优雅横排导航）
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 13, 20, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(225, 29, 72, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0.65rem 0 0.5rem;
  transition: all 0.2s ease;
}

@media (min-width: 900px) {
  .header-inner {
    flex-wrap: nowrap;
    height: 64px;
    padding: 0;
  }
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

@media (min-width: 640px) {
  .site-logo {
    font-size: 1.25rem;
  }
}

.site-logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 10px rgba(225, 29, 72, 0.45));
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 640px) {
  .site-logo-icon {
    width: 34px;
    height: 34px;
  }
}

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

/* 移动端专属横向可滑移导航胶囊轨道 */
.site-nav {
  display: flex;
  width: 100%;
  order: 3;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.5rem;
  padding-bottom: 0.25rem;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.site-nav a {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.32rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: #fff;
  background: rgba(225, 29, 72, 0.16);
  border-color: rgba(225, 29, 72, 0.4);
  box-shadow: 0 0 12px rgba(225, 29, 72, 0.2);
}

/* 桌面端恢复为极简横向大导航 */
@media (min-width: 900px) {
  .site-nav {
    width: auto;
    order: 2;
    margin-top: 0;
    padding-bottom: 0;
    overflow-x: visible;
    gap: 1.1rem;
    background: transparent;
  }
  
  .site-nav a {
    font-size: 0.9rem;
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: none;
  }

  .site-nav a:hover,
  .site-nav a.active {
    background: transparent;
    border: none;
    box-shadow: none;
    color: #fff;
    text-shadow: 0 0 12px rgba(244, 63, 94, 0.5);
  }
}

@media (min-width: 1100px) {
  .site-nav {
    gap: 1.45rem;
  }
  
  .site-nav a {
    font-size: 0.925rem;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  order: 2;
}

@media (min-width: 900px) {
  .header-actions {
    order: 3;
  }
}

/* ==========================================================================
   按钮样式 Buttons (含 CTA) - 融合花云日落金与玫瑰深紫渐变
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.925rem;
  font-weight: 600;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(225, 29, 72, 0.4);
}

.btn-primary:hover {
  background: var(--brand-gradient-hover);
  box-shadow: 0 6px 24px rgba(244, 63, 94, 0.6);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-light);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(225, 29, 72, 0.12);
  border-color: rgba(225, 29, 72, 0.35);
  color: #fff;
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   首页 Hero 新设计（现代专线机场高端高光微容器，首屏紧凑清爽不占满屏幕）
   ========================================================================== */
.hero-showcase {
  padding: 2rem 0 1.5rem;
  position: relative;
}

@media (min-width: 768px) {
  .hero-showcase {
    padding: 2.75rem 0 2rem;
  }
}

.hero-box {
  background: linear-gradient(180deg, rgba(39, 20, 43, 0.55) 0%, rgba(19, 20, 31, 0.85) 100%);
  border: 1px solid rgba(225, 29, 72, 0.28);
  border-radius: 22px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 18px 45px -12px rgba(0, 0, 0, 0.65), 
              inset 0 1px 0 rgba(255, 255, 255, 0.12),
              0 0 35px -10px rgba(225, 29, 72, 0.2);
}

@media (min-width: 768px) {
  .hero-box {
    padding: 3.25rem 2.5rem;
  }
}

/* 顶部环境微光光晕与花瓣图腾暗纹 */
.hero-box::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 340px;
  height: 140px;
  background: radial-gradient(ellipse at center, rgba(244, 63, 94, 0.35) 0%, rgba(147, 51, 234, 0.15) 50%, transparent 75%);
  pointer-events: none;
  filter: blur(25px);
}

.hero-box::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -35px;
  width: 190px;
  height: 190px;
  background: url("../img/petal-watermark.png") no-repeat center / contain;
  opacity: 0.14;
  filter: drop-shadow(0 0 25px rgba(225, 29, 72, 0.5));
  pointer-events: none;
  transform: rotate(-18deg);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-box:hover::after {
  opacity: 0.22;
  transform: rotate(-12deg) scale(1.05);
}

.hero-brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.28);
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  backdrop-filter: blur(8px);
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.hero-brand-icon {
  width: 17px;
  height: 17px;
  object-fit: contain;
  display: block;
}

.hero-title {
  font-size: 1.85rem;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 2.35rem;
  }
}

@media (min-width: 900px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

.title-main {
  display: block;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.title-accent {
  display: inline-block;
  background: linear-gradient(135deg, #fbbf24 0%, #fb7185 45%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 12px rgba(225, 29, 72, 0.3));
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto 1.85rem;
  line-height: 1.75;
  text-wrap: balance;
  word-break: break-word;
}

@media (max-width: 767px) {
  .hero-desc br {
    display: none;
  }
}

.hero-cta-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-hero {
  padding: 0.85rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 22px rgba(225, 29, 72, 0.45);
}

.btn-hero .btn-arrow {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-hero:hover .btn-arrow {
  transform: translateX(4px);
}

/* 兼容原有 .hero-compact 类名作为回退 */
.hero-compact {
  padding: 3.5rem 0 2rem;
  text-align: center;
  position: relative;
}

@media (min-width: 768px) {
  .hero-compact {
    padding: 4.5rem 0 2.75rem;
  }
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.28);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 2.15rem;
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 1.75rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

/* ==========================================================================
   套餐价格（紧接 Hero，所有价格同排响应式，真实月付与年付折算说明）
   ========================================================================== */
.pricing-section {
  padding: 1.5rem 0 3.5rem;
}

.pricing-note {
  text-align: center;
  font-size: 0.825rem;
  color: var(--text-dim);
  margin-top: -1.5rem;
  margin-bottom: 2rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

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

@media (min-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(4, 1fr); /* 4个套餐同排对齐 */
  }
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.65rem 1.4rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
  transform: translateY(-3px);
  border-color: rgba(225, 29, 72, 0.4);
  box-shadow: 0 10px 22px rgba(225, 29, 72, 0.15);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(225, 29, 72, 0.14) 0%, var(--bg-card) 60%);
  border-color: rgba(225, 29, 72, 0.55);
  box-shadow: 0 0 28px rgba(225, 29, 72, 0.22);
}

/* 花瓣暗纹水印装饰于主力推荐卡片 */
.pricing-card.featured::before {
  content: "";
  position: absolute;
  right: 5px;
  bottom: 12px;
  width: 120px;
  height: 120px;
  background: url("../img/petal-watermark.png") no-repeat center / contain;
  opacity: 0.08;
  pointer-events: none;
  transform: rotate(12deg);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.pricing-card.featured:hover::before {
  opacity: 0.16;
  transform: rotate(0deg) scale(1.08);
}

.card-badge {
  position: absolute;
  top: -11px;
  right: 18px;
  background: var(--brand-gradient);
  color: #fff;
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  box-shadow: 0 2px 8px rgba(225, 29, 72, 0.4);
}

.plan-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}

.plan-price-wrap {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.plan-price {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.plan-currency {
  font-size: 1.1rem;
  font-weight: 600;
  margin-right: 2px;
  color: var(--accent-rose);
}

.plan-period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-billing-clarify {
  font-size: 0.775rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

.plan-specs {
  list-style: none;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.plan-specs li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.plan-specs li span.check {
  color: var(--accent-gold);
  font-weight: bold;
}

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

/* ==========================================================================
   本站内容主导航条 (4-6项独立页面URL导航)
   ========================================================================== */
.topic-nav-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 3.5rem;
}

.topic-nav-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.topic-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .topic-nav-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.topic-nav-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  display: block;
  transition: all 0.2s ease;
}

.topic-nav-item:hover {
  background: rgba(225, 29, 72, 0.1);
  border-color: rgba(225, 29, 72, 0.35);
  transform: translateY(-2px);
}

.topic-nav-icon {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  display: block;
}

.topic-nav-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   产品核心优势（3个图文卡片）
   ========================================================================== */
.features-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

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

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.feature-box:hover {
  transform: translateY(-3px);
  border-color: rgba(225, 29, 72, 0.45);
  box-shadow: 0 12px 28px -6px rgba(225, 29, 72, 0.16);
}

/* 优势卡片内置花云Logo花瓣暗纹水印 */
.feature-box::after {
  content: "";
  position: absolute;
  right: -15px;
  bottom: -15px;
  width: 80px;
  height: 80px;
  background: url("../img/petal-watermark.png") no-repeat center / contain;
  opacity: 0.05;
  pointer-events: none;
  transform: rotate(-12deg);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.feature-box:hover::after {
  opacity: 0.16;
  transform: rotate(6deg) scale(1.12);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(225, 29, 72, 0.12);
  color: var(--accent-rose);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(225, 29, 72, 0.25);
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.65rem;
}

.feature-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   流媒体与 AI 支持图卡
   ========================================================================== */
.media-ai-card {
  background: linear-gradient(135deg, rgba(35, 25, 45, 0.55) 0%, rgba(19, 20, 31, 0.85) 100%);
  border: 1px solid rgba(225, 29, 72, 0.2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 3.5rem;
  position: relative;
  overflow: hidden;
}

.media-ai-card::before {
  content: "";
  position: absolute;
  right: -25px;
  top: -25px;
  width: 150px;
  height: 150px;
  background: url("../img/petal-watermark.png") no-repeat center / contain;
  opacity: 0.08;
  pointer-events: none;
  transform: rotate(25deg);
}

.media-ai-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .media-ai-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.media-group-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: border-color 0.2s ease;
}

.tag-item:hover {
  border-color: rgba(225, 29, 72, 0.4);
}

.tag-status {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

/* ==========================================================================
   文章与内容卡片
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

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

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: rgba(225, 29, 72, 0.45);
}

.article-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.article-card-title a:hover {
  color: var(--accent-rose);
}

.article-excerpt {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.775rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border-light);
  padding-top: 0.75rem;
}

.article-read-more {
  color: var(--accent-rose);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.article-read-more:hover {
  color: #fda4af;
  text-decoration: underline;
}

/* ==========================================================================
   常见问题解答 FAQ
   ========================================================================== */
.faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 860px;
  margin: 0 auto 3rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.faq-question::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  background: url("../img/logo-icon.png") no-repeat center / contain;
  filter: drop-shadow(0 0 8px rgba(225, 29, 72, 0.5));
}

.faq-answer {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
  padding-left: 1.5rem;
}

/* ==========================================================================
   用户评价与使用反馈
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.testimonial-content {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(225, 29, 72, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-rose);
  border: 1px solid rgba(225, 29, 72, 0.25);
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.user-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ==========================================================================
   底部注册 CTA Banner - 融汇花云三色渐变与双翼花瓣暗纹
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(225, 29, 72, 0.18) 50%, rgba(147, 51, 234, 0.18) 100%);
  border: 1px solid rgba(225, 29, 72, 0.35);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 35px rgba(225, 29, 72, 0.15);
}

.cta-banner::before {
  content: "";
  position: absolute;
  left: -35px;
  top: 50%;
  transform: translateY(-50%) rotate(20deg);
  width: 170px;
  height: 170px;
  background: url("../img/petal-watermark.png") no-repeat center / contain;
  opacity: 0.12;
  pointer-events: none;
}

.cta-banner::after {
  content: "";
  position: absolute;
  right: -35px;
  top: 50%;
  transform: translateY(-50%) rotate(-20deg);
  width: 170px;
  height: 170px;
  background: url("../img/petal-watermark.png") no-repeat center / contain;
  opacity: 0.12;
  pointer-events: none;
}

.cta-banner-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.cta-banner-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 1.5rem;
  position: relative;
  z-index: 1;
}

/* ==========================================================================
   文章与独立内容页排版 Prose
   ========================================================================== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.825rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

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

.breadcrumbs a:hover {
  color: #fff;
}

.breadcrumbs span.separator {
  color: var(--border-light);
}

.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.article-page-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .article-page-title {
    font-size: 2.35rem;
  }
}

.article-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.inline-cta-box {
  background: rgba(225, 29, 72, 0.08);
  border: 1px solid rgba(225, 29, 72, 0.28);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1.5rem 0 2rem;
}

@media (min-width: 640px) {
  .inline-cta-box {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.inline-cta-text {
  font-size: 0.925rem;
  color: var(--text-main);
  line-height: 1.5;
}

.prose {
  font-size: 1.025rem;
  line-height: 1.8;
  color: #d1d5db;
}

.prose h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 2.25rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
}

.prose h2::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 20px;
  margin-right: 0.65rem;
  background: var(--brand-gradient);
  border-radius: 9999px;
  box-shadow: 0 0 10px rgba(225, 29, 72, 0.5);
  flex-shrink: 0;
}

.prose h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin: 1.75rem 0 0.75rem;
}

.prose p {
  margin-bottom: 1.25rem;
}

.prose ul, .prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose strong {
  color: #fff;
  font-weight: 600;
}

.prose blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(225, 29, 72, 0.08);
  padding: 0.85rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: normal;
  color: var(--text-muted);
}

.prose table {
  width: 100%;
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  scrollbar-width: thin;
}

.prose th, .prose td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-light);
  text-align: left;
}

.prose th {
  background: var(--bg-card);
  color: #fff;
  font-weight: 600;
}

.prose tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.related-articles {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   文章上下篇分页导航与内链优化
   ========================================================================== */
.article-pagination {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 2.5rem 0 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

@media (min-width: 640px) {
  .article-pagination {
    grid-template-columns: 1fr 1fr;
  }
}

.pagination-link {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.pagination-link:hover {
  border-color: rgba(225, 29, 72, 0.45);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.pagination-link.next {
  text-align: right;
}

.pagination-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.pagination-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
}

.prose a {
  color: var(--accent-rose);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.prose a:hover {
  color: #fda4af;
}

/* ==========================================================================
   页脚 Footer（严格只保留4个标题对应独立页面：网站地图、关于我们、服务条款、隐私政策）
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background: #090a10;
  border-top: 1px solid var(--border-light);
  padding: 3rem 0 2rem;
  position: relative;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin-bottom: 1.25rem;
}

.footer-brand img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(225, 29, 72, 0.45));
}

.footer-brand span {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.footer-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #fff;
  text-shadow: 0 0 10px rgba(244, 63, 94, 0.4);
}

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
}

.footer-bottom p {
  margin-bottom: 0.35rem;
}

/* ==========================================================================
   移动端小屏核心适配断点 (手机优先，单手触控优化)
   ========================================================================== */
@media (max-width: 639px) {
  .section {
    padding: 2.75rem 0;
  }

  .container, .container-narrow {
    padding: 0 1rem;
  }

  .hero-showcase {
    padding: 1.25rem 0 1rem;
  }

  .hero-box {
    padding: 1.85rem 1rem 1.65rem;
    border-radius: 18px;
  }

  .hero-title {
    font-size: 1.65rem;
    line-height: 1.22;
  }

  .title-accent {
    font-size: 1.5rem;
  }

  .hero-desc {
    font-size: 0.925rem;
    line-height: 1.65;
    margin-bottom: 1.35rem;
  }

  .btn-hero {
    width: 100%;
    max-width: 300px;
    padding: 0.75rem 1.5rem;
    font-size: 0.975rem;
  }

  .pricing-card {
    padding: 1.4rem 1.15rem;
  }

  .plan-price {
    font-size: 1.85rem;
  }

  .topic-nav-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
  }

  .topic-nav-item {
    padding: 0.65rem 0.4rem;
  }

  .media-ai-card {
    padding: 1.5rem 1.15rem;
  }

  .cta-banner {
    padding: 2.25rem 1.15rem;
  }

  .cta-banner-title {
    font-size: 1.5rem;
  }

  .article-page-title {
    font-size: 1.65rem;
  }
}

/* 移动端安全区与视口补充 */
.site-footer {
  padding-bottom: calc(2rem + env(safe-area-inset-bottom));
}