/* ==========================================================================
   Now加速 - 顶级企业级科技蓝极简纯原生样式表 (Enterprise Tech Navy & Cyber Aurora)
   视觉调性：深邃深空星夜科技蓝 (#090d16 -> #0f172a -> #1e1b4b) + 舒适清爽冷灰白 (#f8fafc)
   ========================================================================== */

:root {
  --theme-primary: #3b82f6;
  --theme-secondary: #6366f1;
  --theme-accent: #06b6d4;
  --theme-gradient: linear-gradient(135deg, #2563eb 0%, #4f46e5 50%, #7c3aed 100%);
  --theme-gradient-h: linear-gradient(90deg, #3b82f6 0%, #6366f1 100%);
  --bg-header: radial-gradient(ellipse at 50% -20%, rgba(99, 102, 241, 0.4) 0%, transparent 65%), linear-gradient(135deg, #090d16 0%, #0f172a 45%, #1e1b4b 100%);
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --border-light: #e2e8f0;
  --status-ok: #10b981;
  --status-fail: #cbd5e1;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.09);
  --shadow-theme: 0 6px 24px rgba(37, 99, 235, 0.25);
  --font-stack: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-stack);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.6;
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-gradient {
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* ==========================================================================
   导航栏 (Navbar - 官网同款轻透白净浮动顶栏)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.brand-icon-wrapper {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--theme-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
  overflow: hidden;
}

.brand-icon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

.brand-icon {
  width: 20px;
  height: 20px;
  color: #fff;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--theme-primary);
}

.nav-badge-pill {
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.12);
  color: var(--theme-primary);
  margin-left: 4px;
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 按钮通用 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 24px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-sm {
  padding: 7px 18px;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 1.05rem;
  font-weight: 700;
}

.btn-ghost {
  color: var(--text-body);
  border: 1px solid var(--border-light);
  background: #fff;
}

.btn-ghost:hover {
  color: var(--theme-primary);
  border-color: var(--theme-primary);
  background: rgba(59, 130, 246, 0.06);
}

.btn-primary {
  background: var(--theme-gradient);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: #fff;
  color: var(--text-main);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--theme-primary);
  color: var(--theme-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--border-light);
  color: var(--text-main);
  align-items: center;
  justify-content: center;
}

.mobile-nav-actions {
  display: none !important;
}

/* ==========================================================================
   头部横幅区 (Checker-Header 科技深空曜黑与极光蓝紫背景)
   ========================================================================== */
.checker-header {
  background: var(--bg-header);
  color: #fff;
  padding: 130px 24px 75px;
  border-radius: 0 0 36px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 36px rgba(15, 23, 42, 0.25);
}

.checker-header::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -15%;
  width: 55%;
  height: 110%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.checker-header::after {
  content: "";
  position: absolute;
  bottom: -30%;
  right: -15%;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.header-content {
  position: relative;
  z-index: 1;
  max-width: 840px;
  margin: 0 auto;
}

.checker-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.4);
  line-height: 1.25;
}

.subtitle {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: #cbd5e1;
  margin: 0 0 22px;
  font-weight: 400;
  line-height: 1.68;
}

/* 收藏提醒呼吸药丸 */
.bookmark-reminder {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #f1f5f9;
  animation: pulse-glow 2.5s ease-in-out infinite;
  margin-bottom: 24px;
}

@keyframes pulse-glow {
  0%, 100% { background: rgba(255, 255, 255, 0.12); border-color: rgba(255, 255, 255, 0.22); }
  50% { background: rgba(255, 255, 255, 0.22); border-color: rgba(99, 102, 241, 0.5); }
}

.hero-cta-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.hero-cta-wrap .btn-white {
  background: #ffffff;
  color: #1e40af;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.25);
  font-weight: 700;
}

.hero-cta-wrap .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
  color: #2563eb;
}

.hero-cta-wrap .btn-trans {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.hero-cta-wrap .btn-trans:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

/* ==========================================================================
   官网同款核心组件：最优线路卡片 (Fastest Route Card) & 线路列表
   ========================================================================== */
.route-section-wrapper {
  margin-top: -36px;
  position: relative;
  z-index: 2;
  margin-bottom: 70px;
}

.fastest-route-card {
  position: relative;
  border-radius: 20px;
  padding: 3px;
  background: var(--theme-gradient);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.25);
  margin-bottom: 32px;
}

.fastest-route-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  background: #ffffff;
  border-radius: 17px;
  padding: 30px 32px;
}

.fastest-label {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  background: var(--theme-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.fastest-route-url {
  font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
  word-break: break-all;
}

.fastest-route-time {
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 12px;
}

.fastest-route-action {
  display: flex;
  align-items: center;
  gap: 18px;
}

.countdown-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.status-badge-ok {
  background: rgba(82, 196, 26, 0.12);
  color: #389e0d;
  border: 1px solid rgba(82, 196, 26, 0.3);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

/* 备用线路网格 */
.routes-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.routes-header h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.routes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.route-card {
  background: #ffffff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.route-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  border-color: rgba(59, 130, 246, 0.35);
}

.route-card-stripe {
  height: 4px;
  background: var(--theme-gradient-h);
}

.route-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.route-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.route-hostname {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

.fastest-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--theme-gradient);
  color: #fff;
}

.route-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.route-time {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--theme-secondary);
}

.route-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot--ok {
  background-color: var(--status-ok);
  box-shadow: 0 0 6px rgba(82, 196, 26, 0.5);
}

.visit-btn {
  background: var(--theme-gradient);
  color: #fff;
  border: none;
  padding: 10px 0;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  display: block;
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.25);
  transition: all var(--transition-fast);
}

.visit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.35);
}

/* ==========================================
   各个通用板块样式 (纯白立体卡片 + 官网暖色系)
   ========================================== */
.section {
  padding: 70px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--theme-primary);
  background: rgba(59, 130, 246, 0.1);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.3;
}

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

/* 核心优势卡片 */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.12);
  border-color: rgba(37, 99, 235, 0.35);
}

.card-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--theme-primary);
}

.card-title {
  font-size: 1.22rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* 流媒体大卡片 */
.streaming-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.streaming-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--theme-gradient-h);
}

.streaming-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.service-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-body);
}

.service-pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--status-ok);
}

.streaming-visual-box {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
}

.stream-status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  font-size: 0.9rem;
}

.stream-status-row:last-child {
  border-bottom: none;
}

.tag-success {
  background: rgba(82, 196, 26, 0.12);
  color: #389e0d;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* ==========================================
   定价卡片区 (Pricing Section)
   ========================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}

.pricing-featured {
  border: 2px solid var(--theme-primary);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.2);
  transform: scale(1.02);
}

.pricing-featured:hover {
  transform: scale(1.02) translateY(-6px);
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.28);
}

.badge-recommended {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--theme-gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

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

.price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 20px 0 16px;
}

.price-currency {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--theme-primary);
}

.price-amount {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
}

.price-period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.plan-traffic-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--theme-primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-body);
}

.feature-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(82, 196, 26, 0.15);
  color: #389e0d;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 0.8rem;
}

.pricing-btn-wrap {
  margin-top: auto;
}

/* ==========================================
   深度特性解析区 (Why Choose Section)
   ========================================== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 70px;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-info-title {
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 18px;
  line-height: 1.3;
}

.feature-info-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.feature-bullet-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bullet-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-body);
}

.bullet-icon {
  width: 20px;
  height: 20px;
  color: var(--theme-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* 数据看板 */
.data-panel-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.data-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--status-ok);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(82, 196, 26, 0.6);
  animation: pulse 1.8s infinite;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.metric-box {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.metric-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.metric-name {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

.speed-bar-container {
  margin-top: 10px;
}

.speed-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.speed-bar-bg {
  height: 8px;
  background: var(--border-light);
  border-radius: 4px;
  overflow: hidden;
}

.speed-bar-fill {
  height: 100%;
  width: 96%;
  background: var(--theme-gradient-h);
  border-radius: 4px;
}

/* 终端代码块 (Strict_No_Logs_Policy.sh) */
.terminal-window {
  background: #2b2523;
  border: 1px solid #443a35;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  font-family: var(--font-mono);
}

.terminal-header {
  background: #201b19;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #3d332f;
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background-color: #ff5f56; }
.dot-yellow { background-color: #ffbd2e; }
.dot-green { background-color: #27c93f; }

.terminal-file-name {
  font-size: 0.78rem;
  color: #c5b8b1;
}

.terminal-body {
  padding: 20px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: #f1e9e4;
  overflow-x: auto;
}

.code-comment { color: #8e807a; }
.code-command { color: #ffa940; font-weight: 600; }
.code-output { color: #d0c4be; }
.code-success { color: #52c41a; font-weight: 600; }
.code-highlight { color: #ff6b6b; font-weight: 600; }

/* ==========================================
   用户评价跑马灯 (Testimonials)
   ========================================== */
.testimonials-section {
  padding: 70px 0;
  overflow: hidden;
  background: #ffffff;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.marquee-container {
  display: flex;
  overflow: hidden;
  user-select: none;
  gap: 20px;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  padding: 15px 0;
}

.marquee-track {
  display: flex;
  gap: 20px;
  flex-shrink: 0;
  animation: marquee 35s linear infinite;
}

.marquee-container:hover .marquee-track {
  animation-play-state: paused;
}

.testimonial-card {
  width: 320px;
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--theme-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 0.9rem;
}

.user-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.user-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.star-rating {
  color: #ffa940;
  font-size: 0.85rem;
}

.testimonial-content {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* ==========================================
   常见问题解答 (FAQ Section)
   ========================================== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(59, 130, 246, 0.35);
}

.faq-item[open] {
  border-color: var(--theme-primary);
}

.faq-summary {
  padding: 18px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-toggle-icon {
  width: 20px;
  height: 20px;
  color: var(--theme-primary);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item[open] .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 22px;
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================
   底部转化区 (CTA Section)
   ========================================== */
.bottom-cta-section {
  padding: 60px 0 80px;
}

.bottom-cta-box {
  background: var(--theme-gradient);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.28);
}

.bottom-cta-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.bottom-cta-desc {
  font-size: 1.1rem;
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto 32px;
}

.btn-cta-white {
  background: #ffffff;
  color: var(--theme-primary);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  font-weight: 800;
}

.btn-cta-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
}

/* ==========================================
   页脚 (Footer - 严格四个指定链接)
   ========================================== */
.site-footer {
  border-top: 1px solid var(--border-light);
  background: #ffffff;
  padding: 36px 0 28px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

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

.footer-link:hover {
  color: var(--theme-primary);
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
  padding-top: 18px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

/* ==========================================
   资讯/文章页与法律页面通用
   ========================================== */
.article-header-hero, .legal-page-hero {
  padding: 130px 0 50px;
  text-align: center;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 50px;
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 10px 24px rgba(59, 130, 246, 0.1);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.article-tag {
  background: rgba(59, 130, 246, 0.12);
  color: var(--theme-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 10px;
}

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-full-content, .legal-content-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 44px;
  margin-bottom: 50px;
  box-shadow: var(--shadow-sm);
}

.article-body h2, .legal-section-block h2 {
  font-size: 1.5rem;
  color: var(--text-main);
  margin: 28px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.article-body h3 {
  font-size: 1.2rem;
  color: var(--theme-primary);
  margin: 20px 0 10px;
}

.article-body p, .legal-section-block p {
  color: var(--text-body);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-body blockquote {
  border-left: 4px solid var(--theme-primary);
  padding: 12px 20px;
  background: rgba(59, 130, 246, 0.08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
  color: var(--text-main);
}

.article-body a.seo-link {
  color: var(--theme-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 700;
}

/* 关键帧动画 */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(0.96); }
}

@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   移动端响应式断点 (官网同款紧凑排版)
   ========================================================================== */
@media (max-width: 1024px) {
  .cards-grid-3, .pricing-grid, .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-featured {
    transform: none;
  }
  .pricing-featured:hover {
    transform: translateY(-6px);
  }
  .streaming-card {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .nav-container {
    height: 62px;
  }
  
  .nav-menu {
    display: none;
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(100vh - 62px);
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 8px;
    overflow-y: auto;
    z-index: 999;
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-nav-actions {
    display: flex !important;
  }

  .nav-actions .btn-ghost {
    display: none;
  }

  .nav-actions .btn-primary {
    padding: 6px 14px;
    font-size: 0.85rem;
  }

  .checker-header {
    padding: 100px 18px 48px;
    border-radius: 0 0 24px 24px;
  }

  .route-section-wrapper {
    margin-top: -24px;
  }

  .fastest-route-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 16px;
  }

  .fastest-route-action {
    width: 100%;
    justify-content: space-between;
  }

  .routes-grid {
    grid-template-columns: 1fr;
  }

  .cards-grid-3, .pricing-grid, .articles-grid {
    grid-template-columns: 1fr;
  }

  .feature-row, .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
    direction: ltr !important;
  }

  .feature-row.reverse > * {
    direction: ltr !important;
  }

  .streaming-card {
    padding: 24px 18px;
  }

  .footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    text-align: center;
  }

  .footer-link {
    padding: 8px;
    background: var(--bg-page);
    border-radius: var(--radius-sm);
  }
}