/* ==========================================================================
   43｜曜樱星宫 (Sakura Star Palace Theme)
   疾风云品牌专属视觉体系
   ========================================================================== */

:root {
  /* 基础底色 - 深蓝紫星穹体系 */
  --bg-deep-space: #090b17;
  --bg-palace: #0f1226;
  --bg-card: rgba(18, 22, 48, 0.78);
  --bg-card-solid: #131733;
  --bg-card-hover: rgba(26, 32, 68, 0.88);
  --bg-overlay: rgba(9, 11, 23, 0.85);

  /* 樱粉与光轨色彩体系 */
  --sakura-glow: #f472b6;
  --sakura-light: #fbcfe8;
  --sakura-soft: rgba(244, 114, 182, 0.15);
  --sakura-border: rgba(244, 114, 182, 0.35);
  
  /* 星轨科技冷色调 */
  --stellar-cyan: #67e8f9;
  --stellar-blue: #818cf8;
  --stellar-purple: #c084fc;
  --stellar-border: rgba(103, 232, 249, 0.3);

  /* 文字高对比度层级 (银白与霜青) */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-accent: #fbcfe8;

  /* 状态与辅助色 */
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;

  /* 布局与排版 */
  --max-width: 1200px;
  --max-article-width: 860px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --header-height: 72px;

  /* 阴影与微光 */
  --glow-sakura: 0 0 25px rgba(244, 114, 182, 0.28);
  --glow-stellar: 0 0 30px rgba(103, 232, 249, 0.22);
  --shadow-card: 0 12px 36px -8px rgba(0, 0, 0, 0.55);
}

/* 基础重置与无障碍排版 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  background-color: var(--bg-deep-space);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: 
    radial-gradient(circle at 15% 10%, rgba(244, 114, 182, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 25%, rgba(103, 232, 249, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(129, 140, 248, 0.1) 0%, transparent 50%),
    var(--bg-deep-space);
  line-height: 1.75;
}

/* 星宫背景光轨与轻量樱花装饰 (纯 CSS 硬件加速渲染，离屏不耗能) */
.star-palace-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image: 
    radial-gradient(1px 1px at 20px 30px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 40px 70px, rgba(255,255,255,0.7), rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 120px 180px, #fbcfe8, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 260px 220px, #67e8f9, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 380px 120px, #ffffff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 480px 320px, #fbcfe8, rgba(0,0,0,0));
  background-repeat: repeat;
  background-size: 550px 550px;
  opacity: 0.55;
}

/* 链接基础样式 */
a {
  color: var(--text-accent);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover, a:focus-visible {
  color: #ffffff;
  text-shadow: 0 0 10px var(--sakura-glow);
}

/* 容器定义 */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.article-container {
  max-width: var(--max-article-width);
}

/* ==========================================================================
   导航头部 Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(9, 11, 23, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(244, 114, 182, 0.18);
  display: flex;
  align-items: center;
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
}

.brand-logo .logo-crest {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.25), rgba(103, 232, 249, 0.25));
  border: 1px solid var(--sakura-border);
  box-shadow: 0 0 12px rgba(244, 114, 182, 0.2);
}

.brand-logo .logo-crest svg {
  width: 22px;
  height: 22px;
  fill: #fbcfe8;
}

.brand-logo .brand-badge {
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(244, 114, 182, 0.16);
  border: 1px solid var(--sakura-border);
  color: var(--sakura-light);
  font-weight: 500;
}

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

.main-nav a {
  color: var(--text-secondary);
  font-size: 0.96rem;
  font-weight: 500;
  padding: 8px 4px;
  position: relative;
}

.main-nav a.active {
  color: #ffffff;
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--sakura-glow), var(--stellar-cyan));
  border-radius: 2px;
  box-shadow: 0 0 8px var(--sakura-glow);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 移动端菜单切换按钮 */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--sakura-border);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-primary);
}

/* ==========================================================================
   按钮体系 (Buttons) - 严格保留入口与 44px 触控要求
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #f472b6 0%, #d946ef 50%, #818cf8 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 18px rgba(244, 114, 182, 0.35);
}

.btn-primary:hover, .btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(244, 114, 182, 0.55);
  color: #ffffff;
}

.btn-secondary {
  background: rgba(19, 23, 51, 0.85);
  color: var(--text-primary);
  border: 1px solid var(--stellar-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover, .btn-secondary:focus-visible {
  background: rgba(26, 32, 68, 0.95);
  border-color: var(--sakura-glow);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 38px;
  padding: 0 16px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Hero 首屏主视觉区
   ========================================================================== */
.hero-section {
  padding: 72px 0 60px;
  text-align: center;
  position: relative;
}

.hero-tagline-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(244, 114, 182, 0.12);
  border: 1px solid var(--sakura-border);
  margin-bottom: 24px;
}

.hero-tagline-wrap .spark-icon {
  color: var(--sakura-glow);
  font-size: 0.95rem;
}

.hero-tagline {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--sakura-light);
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, #fbcfe8 60%, #67e8f9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-desc {
  max-width: 760px;
  margin: 0 auto 36px;
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--stellar-cyan);
}

/* ==========================================================================
   通用 Section 规范
   ========================================================================== */
.section {
  padding: 64px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--sakura-glow);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.35;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* 卡片基类 */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--sakura-border);
  box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.65), 0 0 20px rgba(244, 114, 182, 0.15);
}

/* ==========================================================================
   服务关系架构图 (Service Architecture Diagram)
   ========================================================================== */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.arch-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
}

.arch-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.arch-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.15), rgba(103, 232, 249, 0.15));
  border: 1px solid var(--sakura-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sakura-light);
}

.arch-icon svg {
  width: 22px;
  height: 22px;
}

.arch-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

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

.arch-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.arch-bullets {
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.arch-bullets li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.arch-bullets li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: var(--stellar-cyan);
  font-size: 0.75rem;
}

/* ==========================================================================
   可交互接入流程图 (Interactive Onboarding Stepper)
   ========================================================================== */
.stepper-container {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.stepper-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 24px;
  margin-bottom: 28px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.step-tab {
  flex: 1;
  min-width: 140px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  min-height: 44px;
}

.step-tab:hover {
  background: rgba(244, 114, 182, 0.08);
  border-color: var(--sakura-border);
}

.step-tab.active {
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.2), rgba(103, 232, 249, 0.15));
  border-color: var(--sakura-glow);
  box-shadow: 0 0 15px rgba(244, 114, 182, 0.25);
}

.step-tab-number {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sakura-glow);
  margin-bottom: 4px;
}

.step-tab-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

.step-content-pane {
  display: none;
  animation: fadeIn 0.3s ease;
}

.step-content-pane.active {
  display: block;
}

.pane-header {
  margin-bottom: 16px;
}

.pane-title {
  font-size: 1.45rem;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 6px;
}

.pane-tagline {
  color: var(--stellar-cyan);
  font-size: 0.96rem;
}

.pane-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.pane-keycheck {
  background: rgba(103, 232, 249, 0.08);
  border-left: 4px solid var(--stellar-cyan);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #e2e8f0;
  font-size: 0.95rem;
}

.pane-disclaimer {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   套餐卡片与资费表格 (Plans Section)
   ========================================================================== */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.plan-card.featured {
  border-color: var(--sakura-border);
  background: linear-gradient(180deg, rgba(244, 114, 182, 0.12) 0%, rgba(18, 22, 48, 0.88) 100%);
  box-shadow: 0 0 30px rgba(244, 114, 182, 0.2);
}

.plan-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(244, 114, 182, 0.2);
  border: 1px solid var(--sakura-border);
  color: var(--sakura-light);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.plan-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 16px 0 12px;
}

.plan-currency {
  font-size: 1.1rem;
  color: var(--sakura-light);
  font-weight: 600;
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.plan-cycle {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.plan-status-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  background: rgba(251, 191, 36, 0.14);
  color: #fde68a;
  border: 1px solid rgba(251, 191, 36, 0.3);
  margin-bottom: 20px;
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li svg {
  width: 16px;
  height: 16px;
  color: var(--success);
  flex-shrink: 0;
}

.plan-cta-wrap {
  margin-top: auto;
}

.plans-disclaimer-box {
  margin-top: 36px;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   指南文章卡片 (Articles Grid)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--sakura-border);
  box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.6), 0 0 20px rgba(244, 114, 182, 0.15);
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.article-tag {
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(103, 232, 249, 0.12);
  color: var(--stellar-cyan);
  font-weight: 600;
  font-size: 0.72rem;
}

.article-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-card-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-deliverable {
  font-size: 0.82rem;
  color: var(--sakura-light);
  background: rgba(244, 114, 182, 0.08);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--sakura-glow);
  margin-bottom: 20px;
}

.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--sakura-light);
  min-height: 44px;
}

.article-card-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.article-card-link:hover svg {
  transform: translateX(4px);
}

/* ==========================================================================
   评价区域真实空态 (Real Empty State for Reviews)
   ========================================================================== */
.empty-reviews-card {
  text-align: center;
  padding: 48px 32px;
  background: var(--bg-card);
  border: 1px dashed rgba(244, 114, 182, 0.3);
  border-radius: var(--radius-lg);
  max-width: 760px;
  margin: 0 auto;
}

.empty-reviews-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(244, 114, 182, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sakura-glow);
}

.empty-reviews-icon svg {
  width: 28px;
  height: 28px;
}

.empty-reviews-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.empty-reviews-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   FAQ 折叠与卡片
   ========================================================================== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--sakura-border);
}

.faq-question {
  font-size: 1.12rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-question .faq-q-badge {
  color: var(--sakura-glow);
  font-size: 0.95rem;
  margin-top: 1px;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
  padding-left: 24px;
}

/* ==========================================================================
   文章详情页排版规范 (Article Reader)
   ========================================================================== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

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

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

.breadcrumbs .sep {
  color: rgba(255, 255, 255, 0.2);
}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.article-title {
  font-size: 2.35rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-content {
  color: #e2e8f0;
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-content p {
  margin-bottom: 24px;
}

.article-content h2 {
  font-size: 1.7rem;
  color: #ffffff;
  margin: 48px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(244, 114, 182, 0.2);
}

.article-content h3 {
  font-size: 1.35rem;
  color: #fbcfe8;
  margin: 36px 0 16px;
}

.article-content ul, .article-content ol {
  margin: 0 0 24px 24px;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 10px;
  line-height: 1.75;
}

/* 数据表格响应式与曜樱主题设计 */
.data-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(14, 18, 41, 0.8);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  text-align: left;
  min-width: 600px;
}

.data-table th {
  background: rgba(244, 114, 182, 0.12);
  color: #ffffff;
  font-weight: 600;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: #cbd5e1;
  line-height: 1.6;
}

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

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* 提示与自检盒子 */
.note-box {
  background: rgba(244, 114, 182, 0.08);
  border: 1px solid var(--sakura-border);
  border-left: 4px solid var(--sakura-glow);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin: 28px 0;
  color: #f1f5f9;
}

.note-box p:last-child {
  margin-bottom: 0;
}

.two-phase-diagram {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0;
}

.phase-col {
  background: rgba(18, 22, 48, 0.85);
  border: 1px solid rgba(103, 232, 249, 0.25);
  border-radius: var(--radius-md);
  padding: 20px;
}

.phase-badge {
  font-weight: 700;
  color: var(--stellar-cyan);
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.phase-items {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.phase-items li {
  margin-bottom: 8px !important;
  font-size: 0.9rem !important;
  color: #cbd5e1 !important;
}

.code-block-demo {
  background: #090c1a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 20px 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--stellar-cyan);
  overflow-x: auto;
}

/* 文章末尾相关推荐 */
.related-articles-section {
  margin-top: 56px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   页脚 Footer
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background: #070914;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 56px 0 32px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.footer-brand-desc {
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-col-title {
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

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

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
}

/* ==========================================================================
   移动端与响应式适配规则 (360px, 390px, 430px, 768px, 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  .arch-grid, .plans-grid, .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  body {
    background-size: auto;
  }

  .star-palace-canvas {
    opacity: 0.3; /* 手机端降级为轻量背景 */
  }

  .main-nav {
    display: none; /* 移动端切换至抽屉菜单 */
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(10, 12, 26, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid var(--sakura-border);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    font-size: 1.05rem;
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .hero-trust-bar {
    gap: 16px;
  }

  .arch-grid, .plans-grid, .articles-grid {
    grid-template-columns: 1fr;
  }

  .two-phase-diagram {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .article-title {
    font-size: 1.75rem;
  }

  .stepper-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 16px;
  }

  .step-tab {
    min-width: 130px;
    flex-shrink: 0;
  }
}

@media (max-width: 430px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .section-title {
    font-size: 1.6rem;
  }

  .glass-card {
    padding: 22px 18px;
  }
}