/* ====================================================================
   扬帆云 (yfyun.online) - 二次元/动漫风全站统一样式表
   纯原生 CSS3 | 系统字体栈 | 动漫美学与超光速体验 | 零外部依赖
   ==================================================================== */

:root {
  --font-system: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  
  /* 二次元动漫风色彩系统 */
  --anime-bg-base: #f6f8fe;
  --anime-bg-surface: #ffffff;
  --anime-indigo: #6366f1;
  --anime-indigo-dark: #4f46e5;
  --anime-indigo-light: #e0e7ff;
  --anime-purple: #8b5cf6;
  --anime-purple-dark: #7c3aed;
  --anime-pink: #ec4899;
  --anime-pink-light: #fce7f3;
  --anime-cyan: #06b6d4;
  --anime-cyan-light: #ecfeff;
  --anime-gold: #f59e0b;
  --anime-gold-light: #fef3c7;
  --anime-text-main: #1e1b4b;
  --anime-text-muted: #475569;
  --anime-text-sub: #64748b;
  --anime-border: #e0e7ff;
  --anime-border-focus: #a5b4fc;
  --anime-border-pink: #fbcfe8;
  
  /* 阴影与动漫光晕 (Cel-shaded & Anime Glow) */
  --anime-shadow-sm: 0 2px 4px rgba(99, 102, 241, 0.06);
  --anime-shadow-card: 0 10px 25px -5px rgba(99, 102, 241, 0.08), 0 8px 10px -6px rgba(99, 102, 241, 0.04);
  --anime-shadow-card-hover: 0 18px 32px -8px rgba(99, 102, 241, 0.16), 0 0 0 2px rgba(129, 140, 248, 0.4);
  --anime-shadow-ssr: 0 16px 36px -6px rgba(236, 72, 153, 0.18), 0 0 0 2px rgba(236, 72, 153, 0.5);
  --anime-glow-btn: 0 4px 14px rgba(99, 102, 241, 0.38);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --max-width-content: 1120px;
  --max-width-article: 820px;
  --header-height: 68px;

  /* 动漫指针 SVG Data URI */
  --cursor-default: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpolygon points='3,2 21,11 12,13 8,21' fill='%236366f1' stroke='%23ffffff' stroke-width='2' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='2' fill='%23ec4899'/%3E%3C/svg%3E"), auto;
  --cursor-pointer: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 2l2.4 5.2 5.6.8-4 4 1 5.6-5-2.6-5 2.6 1-5.6-4-4 5.6-.8z' fill='%23ec4899' stroke='%23ffffff' stroke-width='1.5' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='2' fill='%23fbbf24'/%3E%3C/svg%3E"), pointer;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-system);
  color: var(--anime-text-main);
  background-color: var(--anime-bg-base);
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(99, 102, 241, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 90% 40%, rgba(236, 72, 153, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 30% 85%, rgba(6, 182, 212, 0.06) 0%, transparent 40%),
    radial-gradient(rgba(199, 210, 254, 0.35) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 100% 100%, 28px 28px;
  line-height: 1.68;
  letter-spacing: 0.015em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  cursor: var(--cursor-default);
}

/* 链接与光标 */
a, button, summary, [role="button"] {
  cursor: var(--cursor-pointer);
}

a {
  color: var(--anime-indigo);
  text-decoration: none;
  transition: all 0.2s ease;
}

a:hover {
  color: var(--anime-pink);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--anime-indigo);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

img, svg {
  vertical-align: middle;
  max-width: 100%;
}

/* 动漫风二次元按钮 (Anime Magic Buttons) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 26px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-25deg);
  transition: left 0.6s ease;
}

.btn:hover::after {
  left: 140%;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--anime-indigo) 0%, var(--anime-purple) 60%, var(--anime-pink) 100%);
  color: #ffffff !important;
  box-shadow: var(--anime-glow-btn);
  border-color: rgba(255, 255, 255, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
}

.btn-secondary {
  background-color: var(--anime-bg-surface);
  color: var(--anime-indigo-dark) !important;
  border: 2px solid var(--anime-indigo-light);
  box-shadow: var(--anime-shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--anime-indigo-light);
  border-color: var(--anime-indigo);
  color: var(--anime-indigo-dark) !important;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* 容器与版心 */
.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

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

/* 区域分块与装饰线 */
.section-block {
  padding: 72px 0;
  position: relative;
}

.section-block::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(85%, 960px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--anime-border), rgba(236, 72, 153, 0.3), var(--anime-border), transparent);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px auto;
  position: relative;
}

.section-header::before {
  content: '✦ ANIME ACCELERATION ✦';
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--anime-pink);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--anime-text-main);
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--anime-text-muted);
  line-height: 1.65;
}

/* 头部导航 (Header) - 动漫通透半透明 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1.5px solid rgba(224, 231, 255, 0.7);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.05);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--anime-text-main);
  text-decoration: none;
  position: relative;
}

.brand-logo svg {
  color: var(--anime-indigo);
  filter: drop-shadow(0 2px 4px rgba(99, 102, 241, 0.3));
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand-logo:hover svg {
  transform: rotate(-10deg) scale(1.1);
  color: var(--anime-pink);
}

.brand-logo span {
  background: linear-gradient(135deg, var(--anime-indigo-dark) 0%, var(--anime-purple) 50%, var(--anime-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--anime-text-muted);
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--anime-indigo-dark);
  background-color: var(--anime-indigo-light);
}

.nav-link[aria-current="page"] {
  color: #ffffff;
  background: linear-gradient(135deg, var(--anime-indigo), var(--anime-purple));
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.header-action {
  display: none;
}

/* 汉堡菜单按钮 (移动端) */
.menu-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: #ffffff;
  border: 1.5px solid var(--anime-border);
  border-radius: var(--radius-sm);
  cursor: var(--cursor-pointer);
  color: var(--anime-indigo);
  box-shadow: var(--anime-shadow-sm);
}

.nav-mobile {
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid var(--anime-border);
  padding: 20px;
  display: none;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.12);
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile .nav-link {
  padding: 12px 14px;
  font-size: 1.05rem;
  border-bottom: 1px dashed var(--anime-border);
}

.nav-mobile .btn {
  margin-top: 10px;
}

/* HERO 区块 - 动漫主视觉氛围 */
.hero-section {
  padding: 64px 0 76px 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '★ ✦ ✧';
  position: absolute;
  top: 20px;
  right: 8%;
  font-size: 1.4rem;
  color: rgba(236, 72, 153, 0.25);
  letter-spacing: 0.8em;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  text-align: left;
}

.hero-title {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #1e1b4b 15%, var(--anime-indigo-dark) 60%, var(--anime-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--anime-text-muted);
  line-height: 1.68;
  margin-bottom: 30px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
  border-top: 1.5px dashed var(--anime-border);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--anime-indigo-dark);
  background-color: var(--anime-bg-surface);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--anime-indigo-light);
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.05);
}

.trust-item svg {
  color: #10b981;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* 动漫 HUD / 节点监控面板 */
.hero-card-preview {
  width: 100%;
  max-width: 480px;
  background-color: rgba(255, 255, 255, 0.92);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 16px 36px -8px rgba(99, 102, 241, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  backdrop-filter: blur(10px);
  position: relative;
}

.hero-card-preview::before {
  content: '✦ TERMINAL READY ✦';
  position: absolute;
  top: -11px;
  right: 24px;
  background: linear-gradient(135deg, var(--anime-indigo), var(--anime-pink));
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(236, 72, 153, 0.4);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1.5px dashed var(--anime-border);
}

.preview-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--anime-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-title::before {
  content: '⚡';
  font-size: 0.95rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  background-color: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

.node-list-sample {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.node-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #ffffff;
  padding: 12px 16px;
  border: 1.5px solid var(--anime-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.node-row:hover {
  border-color: var(--anime-indigo);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.08);
}

.node-name {
  font-weight: 600;
  color: var(--anime-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.node-name svg {
  color: var(--anime-indigo);
}

.node-ping {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.84rem;
  color: #059669;
  font-weight: 700;
  background: #ecfdf5;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

/* 动漫风特性卡片 (Features Grid) */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.feature-card {
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  box-shadow: var(--anime-shadow-card);
}

.feature-card:hover {
  border-color: var(--anime-indigo);
  transform: translateY(-5px);
  box-shadow: var(--anime-shadow-card-hover);
}

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--anime-indigo-light) 0%, var(--anime-pink-light) 100%);
  color: var(--anime-indigo-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.12);
}

.feature-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--anime-text-main);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-card-desc {
  font-size: 0.96rem;
  color: var(--anime-text-muted);
  line-height: 1.6;
}

/* 核心优势 (Benefits) - 动漫编号徽章 */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.benefit-item {
  display: flex;
  gap: 18px;
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--anime-shadow-card);
  transition: all 0.22s ease;
}

.benefit-item:hover {
  border-color: var(--anime-indigo);
  transform: translateY(-3px);
}

.benefit-num {
  font-size: 1.4rem;
  font-weight: 900;
  color: #ffffff;
  background: linear-gradient(135deg, var(--anime-indigo), var(--anime-purple));
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.benefit-body h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--anime-text-main);
}

.benefit-body p {
  font-size: 0.94rem;
  color: var(--anime-text-muted);
  line-height: 1.6;
}

/* 流媒体与 AI 支持网格 - 动漫徽章卡 */
.media-grid, .ai-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.media-badge-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  color: var(--anime-text-main);
  box-shadow: var(--anime-shadow-sm);
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.media-badge-card:hover {
  border-color: var(--anime-pink);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 20px rgba(236, 72, 153, 0.12);
}

.media-badge-card svg {
  color: var(--anime-indigo);
  flex-shrink: 0;
}

.platform-tip {
  margin-top: 28px;
  padding: 16px 22px;
  background: linear-gradient(90deg, var(--anime-indigo-light) 0%, #ffffff 100%);
  border-left: 4px solid var(--anime-indigo);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--anime-text-muted);
}

/* 使用场景 (Scenarios) */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.scenario-card {
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--anime-shadow-card);
  transition: all 0.22s ease;
}

.scenario-card:hover {
  border-color: var(--anime-cyan);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(6, 182, 212, 0.12);
}

.scenario-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
  gap: 12px;
}

.scenario-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--anime-text-main);
}

.scenario-device {
  display: inline-block;
  padding: 4px 10px;
  background-color: var(--anime-indigo-light);
  color: var(--anime-indigo-dark);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.scenario-desc {
  font-size: 0.94rem;
  color: var(--anime-text-muted);
  line-height: 1.6;
  margin-top: auto;
}

/* 定价区块 (Pricing) - SSR 级动漫卡片 */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-lg);
  padding: 36px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--anime-shadow-card);
  transition: all 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--anime-shadow-card-hover);
}

/* 推荐档位 (SSR 热门推荐高能卡) */
.pricing-card.is-featured {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, var(--anime-indigo), var(--anime-pink), var(--anime-gold)) border-box;
  box-shadow: var(--anime-shadow-ssr);
  transform: scale(1.02);
}

.pricing-card.is-featured:hover {
  transform: scale(1.04) translateY(-6px);
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--anime-pink) 0%, var(--anime-purple) 100%);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 18px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.08em;
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.pricing-plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--anime-text-main);
  margin-bottom: 4px;
}

.pricing-plan-target {
  font-size: 0.88rem;
  color: var(--anime-text-sub);
  margin-bottom: 22px;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1.5px dashed var(--anime-border);
}

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

.price-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--anime-text-main);
  line-height: 1;
  letter-spacing: -0.03em;
}

.price-period {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--anime-text-sub);
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 30px;
  flex-grow: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--anime-text-main);
}

.pricing-feature-item svg {
  color: var(--anime-indigo);
  flex-shrink: 0;
}

/* FAQ 手风琴 - 动漫质感折叠 */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--anime-shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item[open] {
  border-color: var(--anime-indigo);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.1);
}

.faq-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--anime-text-main);
  cursor: var(--cursor-pointer);
  list-style: none;
  min-height: 52px;
}

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

.faq-icon {
  width: 22px;
  height: 22px;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  color: var(--anime-indigo);
  flex-shrink: 0;
}

details[open] .faq-icon {
  transform: rotate(180deg);
  color: var(--anime-pink);
}

details[open] .faq-summary {
  border-bottom: 1.5px dashed var(--anime-border);
}

.faq-answer {
  padding: 18px 22px;
  font-size: 0.98rem;
  color: var(--anime-text-muted);
  line-height: 1.7;
  background-color: #fafbff;
}

/* FINAL CTA - 动漫梦幻光圈 */
.final-cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(236, 72, 153, 0.08) 100%);
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--anime-border);
}

.final-cta-box {
  max-width: 660px;
  margin: 0 auto;
}

.final-cta-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--anime-text-main);
  margin-bottom: 16px;
}

.final-cta-desc {
  font-size: 1.1rem;
  color: var(--anime-text-muted);
  margin-bottom: 32px;
}

/* 页脚 (FOOTER) - 深色星空二次元 */
.site-footer {
  background: linear-gradient(180deg, #1e1b4b 0%, #0f172a 100%);
  color: #a5b4fc;
  padding: 52px 0 36px 0;
  margin-top: auto;
  font-size: 0.92rem;
  border-top: 2px solid var(--anime-indigo);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(165, 180, 252, 0.15);
}

.footer-brand-title {
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-brand-title::before {
  content: '✦';
  color: var(--anime-pink);
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
}

.footer-nav-link {
  color: #cbd5e1;
  font-weight: 500;
}

.footer-nav-link:hover {
  color: var(--anime-pink);
  text-decoration: underline;
}

.footer-disclosure {
  font-size: 0.86rem;
  color: #94a3b8;
  line-height: 1.6;
  margin-top: 18px;
}

.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 0.84rem;
  color: #64748b;
}

/* 指南汇总页 (Guides) */
.guides-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 36px;
}

.guide-card {
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--anime-shadow-card);
  transition: all 0.24s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.guide-card:hover {
  border-color: var(--anime-indigo);
  transform: translateY(-5px);
  box-shadow: var(--anime-shadow-card-hover);
}

.guide-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--anime-indigo);
  margin-bottom: 12px;
}

.guide-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}

.guide-card-title a {
  color: var(--anime-text-main);
}

.guide-card-title a:hover {
  color: var(--anime-pink);
}

.guide-card-excerpt {
  font-size: 0.95rem;
  color: var(--anime-text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.guide-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--anime-indigo);
}

.guide-read-more::after {
  content: '✦';
  font-size: 0.8rem;
  color: var(--anime-pink);
}

/* 文章详情页 (Article) */
.article-header {
  padding: 40px 0 24px 0;
  border-bottom: 1.5px dashed var(--anime-border);
  margin-bottom: 36px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--anime-text-sub);
  margin-bottom: 18px;
}

.breadcrumb-separator {
  color: var(--anime-indigo-light);
}

.article-main-title {
  font-size: 2.15rem;
  font-weight: 900;
  color: var(--anime-text-main);
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--anime-text-sub);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--anime-text-main);
}

.article-content h2 {
  font-size: 1.48rem;
  font-weight: 800;
  color: var(--anime-text-main);
  margin: 44px 0 18px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--anime-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-content h2::before {
  content: '✦';
  color: var(--anime-indigo);
  font-size: 1.1rem;
}

.article-content h3 {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--anime-indigo-dark);
  margin: 30px 0 14px 0;
}

.article-content p {
  margin-bottom: 22px;
}

.article-content ul, .article-content ol {
  margin: 0 0 26px 24px;
  line-height: 1.8;
}

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

.article-content blockquote {
  border-left: 4px solid var(--anime-pink);
  background: linear-gradient(90deg, var(--anime-pink-light) 0%, var(--anime-bg-surface) 100%);
  padding: 18px 24px;
  margin: 26px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: normal;
  color: var(--anime-text-main);
  font-weight: 500;
}

.article-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 26px 0;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--anime-border);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.article-content th, .article-content td {
  padding: 14px 18px;
  border: 1px solid var(--anime-border);
  text-align: left;
}

.article-content th {
  background: linear-gradient(135deg, var(--anime-indigo-light), #ffffff);
  font-weight: 700;
  color: var(--anime-indigo-dark);
}

/* 文章内 CTA 卡片 */
.article-cta-box {
  background: linear-gradient(135deg, var(--anime-indigo-light) 0%, var(--anime-pink-light) 100%);
  border: 2px solid rgba(165, 180, 252, 0.6);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 44px 0;
  text-align: center;
  box-shadow: var(--anime-shadow-card);
}

.article-cta-title {
  font-size: 1.38rem;
  font-weight: 800;
  color: var(--anime-text-main);
  margin-bottom: 12px;
}

.article-cta-desc {
  font-size: 0.98rem;
  color: var(--anime-text-muted);
  margin-bottom: 22px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* 文章站内相关推荐 */
.article-related-links {
  background-color: var(--anime-bg-surface);
  border: 2px solid var(--anime-border);
  border-radius: var(--radius-md);
  padding: 22px;
  margin: 38px 0;
  box-shadow: var(--anime-shadow-sm);
}

.related-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--anime-text-main);
}

.related-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 网站地图页与合规页面样式 */
.legal-page-header {
  padding: 40px 0 20px 0;
  border-bottom: 1.5px dashed var(--anime-border);
  margin-bottom: 34px;
}

.legal-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--anime-text-main);
}

.legal-updated {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--anime-indigo);
}

.legal-body {
  font-size: 1.02rem;
  line-height: 1.82;
  color: var(--anime-text-main);
  margin-bottom: 60px;
}

.legal-body h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 36px 0 16px 0;
  color: var(--anime-indigo-dark);
}

.legal-body p {
  margin-bottom: 20px;
}

.legal-body ul {
  margin: 0 0 22px 24px;
}

.legal-body li {
  margin-bottom: 8px;
}

/* 网站地图链接列表 */
.sitemap-group {
  margin-bottom: 40px;
}

.sitemap-group-title {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--anime-border);
  color: var(--anime-text-main);
}

.sitemap-links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.sitemap-item-card {
  padding: 16px 20px;
  background-color: var(--anime-bg-surface);
  border: 1.5px solid var(--anime-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-shadow: var(--anime-shadow-sm);
  transition: all 0.2s ease;
}

.sitemap-item-card:hover {
  border-color: var(--anime-indigo);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.1);
}

.sitemap-item-title {
  font-weight: 700;
}

.sitemap-item-url {
  font-size: 0.82rem;
  color: var(--anime-text-sub);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* 移动端吸底 CTA */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 12px 18px;
  border-top: 2px solid var(--anime-border);
  box-shadow: 0 -4px 20px rgba(99, 102, 241, 0.12);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.mobile-sticky-cta.is-visible {
  display: block;
}

.mobile-sticky-cta.is-hidden {
  transform: translateY(100%);
}

.mobile-sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.mobile-sticky-text {
  font-size: 0.88rem;
  color: var(--anime-text-main);
  font-weight: 700;
  line-height: 1.3;
}

.mobile-sticky-text span {
  display: block;
  font-size: 0.78rem;
  color: var(--anime-indigo);
  font-weight: 600;
}

/* 动漫点击星光粒子容器 */
.anime-sparkle {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  font-size: 14px;
  animation: animeSparkleAnim 0.5s ease-out forwards;
}

@keyframes animeSparkleAnim {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translate(var(--dx), var(--dy)) scale(0.3) rotate(var(--rot));
  }
}

/* ====================================================================
   响应式断点适配 (640px, 768px, 1024px)
   ==================================================================== */

@media (min-width: 640px) {
  .media-grid, .ai-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .sitemap-links-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

@media (min-width: 1024px) {
  .site-header {
    height: 74px;
  }
  .nav-desktop {
    display: flex;
  }
  .header-action {
    display: block;
  }
  .menu-toggle-btn {
    display: none;
  }
  .nav-mobile {
    display: none !important;
  }
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .scenario-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .guides-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .hero-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 767px) {
  body {
    padding-bottom: 68px;
  }
}

/* 动效减弱偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .anime-sparkle {
    display: none !important;
  }
}