/* ==========================================================================
   WuXXNet 网络 (wuxxnet.sbs) - 官方极速原生样式表
   零重型组件依赖 · 毫秒级秒开 · 原生 CSS3 GPU 加速
   ========================================================================== */

:root {
  --bg-dark: #0a0f1d;
  --bg-card: rgba(16, 24, 44, 0.75);
  --bg-card-hover: rgba(22, 34, 62, 0.85);
  --bg-card-border: rgba(56, 189, 248, 0.15);
  --bg-card-border-hover: rgba(56, 189, 248, 0.4);
  
  --primary: #ff75a0;
  --primary-glow: rgba(255, 117, 160, 0.45);
  --ice-pink: #ff75a0;
  --ice-pink-light: #ffc2db;
  --ice-pink-deep: #ff4b82;
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.35);
  --blue: #3b82f6;
  --violet: #8b5cf6;
  --amber: #f59e0b;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   动态背景系统 (GPU硬件加速 + 极光光斑 + 科技网格 + 扫描线)
   ========================================================================== */
.dynamic-bg-container {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(circle at 50% 0%, #111e38 0%, #0a0f1d 70%, #060912 100%);
  pointer-events: none;
}

.aurora-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.45;
  will-change: transform;
}

.orb-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.6) 0%, rgba(6, 182, 212, 0.2) 70%, transparent 100%);
  top: -120px;
  left: 10%;
  animation: orbFloat1 22s ease-in-out infinite alternate;
}

.orb-2 {
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.5) 0%, rgba(59, 130, 246, 0.25) 70%, transparent 100%);
  top: 35%;
  right: -100px;
  animation: orbFloat2 28s ease-in-out infinite alternate;
}

.orb-3 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.45) 0%, rgba(16, 185, 129, 0.15) 70%, transparent 100%);
  bottom: 5%;
  left: 20%;
  animation: orbFloat3 25s ease-in-out infinite alternate;
}

@keyframes orbFloat1 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(80px, 60px) scale(1.12); }
  100% { transform: translate(-40px, 120px) scale(0.95); }
}

@keyframes orbFloat2 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-90px, -70px) scale(1.15); }
  100% { transform: translate(60px, 90px) scale(0.9); }
}

@keyframes orbFloat3 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(70px, -80px) scale(1.1); }
  100% { transform: translate(-60px, -40px) scale(0.92); }
}

.cyber-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(circle at 50% 40%, rgba(0, 0, 0, 0.8) 0%, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, rgba(0, 0, 0, 0.8) 0%, transparent 85%);
}

.cyber-scanline {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.03) 50%, transparent 100%);
  background-size: 100% 8px;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ==========================================================================
   顶部导航栏
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 15, 29, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

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

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #ff7eb3 0%, #ff4b82 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 22px rgba(255, 101, 153, 0.45);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.35) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255, 101, 153, 0.7);
  color: #ffffff;
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(6, 182, 212, 0.5);
  color: #fff;
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #031326;
  box-shadow: 0 4px 18px var(--cyan-glow);
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.5);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   Hero 英雄区
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.hero-badge-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: #34d399;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.text-gradient {
  background: linear-gradient(135deg, #ffc2db 0%, #ff75a0 45%, #ff4b82 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(255, 117, 160, 0.4));
}

.hero-desc {
  font-size: 1.22rem;
  color: var(--text-muted);
  max-width: 860px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

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

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1040px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
  margin-bottom: 4px;
}

.stat-val .unit {
  font-size: 1.1rem;
  color: var(--cyan);
}

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

/* ==========================================================================
   通用 Section 样式
   ========================================================================== */
section {
  padding: 90px 0;
  position: relative;
}

.section-head {
  text-align: center;
  margin-bottom: 54px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* ==========================================================================
   核心优势卡片
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--bg-card-border-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.icon-emerald { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.icon-cyan { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }
.icon-blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.icon-violet { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.icon-amber { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.icon-rose { background: rgba(244, 63, 94, 0.15); color: #f43f5e; }

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   价格套餐区 - 核心要求：所有价格要同排展示！
   ========================================================================== */
.pricing-section {
  position: relative;
  background: rgba(10, 16, 33, 0.5);
}

.pricing-notice {
  text-align: center;
  margin-bottom: 28px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.pricing-notice span {
  color: #34d399;
  font-weight: 600;
}

/* 同排横向容器：大屏6列同排，小屏横向滚动保证始终同排 */
.pricing-row-wrapper {
  width: 100%;
  overflow-x: auto;
  padding: 10px 4px 28px;
  -webkit-overflow-scrolling: touch;
}

/* 自定义横向滚动条美化 */
.pricing-row-wrapper::-webkit-scrollbar {
  height: 8px;
}
.pricing-row-wrapper::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}
.pricing-row-wrapper::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, var(--primary), var(--cyan));
  border-radius: 4px;
}

.pricing-row-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(215px, 1fr));
  gap: 16px;
  align-items: stretch;
  min-width: 1300px; /* 强制所有价格卡片在同一水平行内对齐展示 */
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
}

.price-card:hover {
  transform: translateY(-8px);
  border-color: var(--cyan);
  box-shadow: 0 16px 36px rgba(6, 182, 212, 0.18);
}

.price-card.featured {
  background: linear-gradient(180deg, rgba(255, 117, 160, 0.12) 0%, rgba(16, 24, 44, 0.85) 100%);
  border: 2px solid #ff75a0;
  box-shadow: 0 12px 30px rgba(255, 117, 160, 0.22);
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-featured {
  background: linear-gradient(90deg, #ff7eb3, #ff4b82);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(255, 117, 160, 0.5);
}

.badge-tag-blue {
  background: #3b82f6;
  color: #fff;
}

.badge-tag-purple {
  background: #8b5cf6;
  color: #fff;
}

.card-top {
  margin-bottom: 18px;
  text-align: center;
}

.plan-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.plan-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.price-box {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: 8px;
}

.price-box .currency {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
}

.price-box .amount {
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
}

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

.traffic-pill {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.plan-features-list {
  margin: 18px 0 22px;
  padding: 0;
  flex-grow: 1;
}

.plan-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 10px;
  line-height: 1.4;
}

.plan-features-list li svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 2px;
  color: #10b981;
}

.plan-features-list li strong {
  color: #fff;
}

.btn-block {
  width: 100%;
  padding: 11px 0;
  font-size: 0.92rem;
}

/* ==========================================================================
   测速矩阵与节点展示
   ========================================================================== */
.nodes-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nodes-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.nodes-table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 20px;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nodes-table td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

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

.node-name-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: #fff;
}

.node-flag {
  font-size: 1.25rem;
}

.latency-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
}

.latency-excellent {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.latency-good {
  background: rgba(6, 182, 212, 0.15);
  color: #38bdf8;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: #34d399;
}

.status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 6px #10b981;
}

/* ==========================================================================
   文章专栏区 (SEO 核心板块，内部跳转)
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  box-shadow: 0 12px 30px rgba(6, 182, 212, 0.15);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.tag-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(6, 182, 212, 0.12);
  color: #38bdf8;
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.article-card-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 12px;
}

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

.article-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.82rem;
  color: var(--text-dim);
}

.article-read-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--cyan);
  font-weight: 600;
}

.article-read-link:hover {
  color: #fff;
  transform: translateX(3px);
}

.all-articles-btn-wrap {
  text-align: center;
  margin-top: 40px;
}

/* ==========================================================================
   客户端生态与外链板块
   ========================================================================== */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.ecosystem-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition-normal);
}

.ecosystem-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.4);
  background: var(--bg-card-hover);
}

.eco-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.eco-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.eco-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.eco-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.eco-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   用户评价板块 (最下方)
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 26px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.4);
}

.review-stars {
  color: #f59e0b;
  font-size: 1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.92rem;
  color: #e2e8f0;
  line-height: 1.65;
  margin-bottom: 18px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--primary));
  color: #04121a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.05rem;
}

.user-meta h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.user-meta p {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ==========================================================================
   常见问题 FAQ 板块 (最下方)
   ========================================================================== */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
  color: var(--cyan);
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  background: rgba(0, 0, 0, 0.15);
}

.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-answer-inner strong {
  color: #fff;
}

/* ==========================================================================
   页尾 CTA 呼吁转化区
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: 40px;
}

.cta-banner-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.cta-banner-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 32px;
}

/* ==========================================================================
   页脚 Footer
   ========================================================================== */
.site-footer {
  background: #060912;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 16px 0 20px;
  max-width: 340px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

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

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-col ul li a:hover {
  color: var(--cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   响应式断点适配
   ========================================================================== */
@media (max-width: 1200px) {
  .hero-title { font-size: 2.8rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-header .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: #0d1424;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    display: none;
  }
  
  .site-header .nav-menu.open {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }

  .header-cta-group .btn-outline {
    display: none;
  }
  
  .hero-title { font-size: 2.2rem; }
  .hero-stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item:nth-child(2)::after { display: none; }
  
  .features-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .ecosystem-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  
  .cta-banner { padding: 36px 20px; }
  .cta-banner-title { font-size: 1.8rem; }
}