/* ==========================================================================
   星驰加速 - NEO-BRUTALISM STYLESHEET
   配色规范：
   - 背景底色: #111111 (极致沉浸黑)
   - 正文字体色: #F5F1E8 (米白纸实质感)
   - 强酸点缀色: #FFD400 (高能警示酸黄)
   - 边框规范: 3px 纯黑/纯白/酸黄实线
   - 阴影规范: 硬边缘无模糊位移投影 (0px 模糊度)
   - 倒角规范: 0px 纯直角
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Anton&family=Noto+Sans+SC:wght@400;700;900&display=swap');

:root {
  --bg-main: #111111;
  --bg-card: #181818;
  --bg-card-alt: #222222;
  --text-main: #F5F1E8;
  --text-muted: #B3ADA0;
  --text-dark: #111111;
  --accent: #FFD400;
  --border-width: 3px;
  --border-color: #F5F1E8;
  --border-accent: #FFD400;
  --shadow-main: 5px 5px 0px #FFD400;
  --shadow-dark: 5px 5px 0px #111111;
  --shadow-white: 5px 5px 0px #F5F1E8;
  --shadow-hover: 2px 2px 0px #FFD400;
  --font-display: 'Anton', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition-fast: 150ms cubic-bezier(0, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 链接与交互焦点优化 (SEO & 网页可访问性 A11y 规范) */
a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* 容器规范 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   导航栏 (Header & Navbar)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-main);
  border-bottom: var(--border-width) solid var(--border-color);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 1px;
  color: var(--text-main);
  text-transform: uppercase;
}

.brand-badge {
  background: var(--accent);
  color: var(--text-dark);
  font-size: 0.85rem;
  font-weight: 900;
  padding: 2px 8px;
  border: var(--border-width) solid var(--text-dark);
  box-shadow: 2px 2px 0px var(--text-main);
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 20px;
}

.nav-link {
  font-size: 1rem;
  font-weight: 700;
  padding: 8px 14px;
  border: var(--border-width) solid transparent;
  color: var(--text-main);
}

.nav-link:hover {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--text-dark);
  box-shadow: 3px 3px 0px var(--text-main);
}

.nav-link.highlight {
  background: var(--text-main);
  color: var(--text-dark);
  border: var(--border-width) solid var(--text-dark);
  box-shadow: 3px 3px 0px var(--accent);
}

.nav-link.highlight:hover {
  background: var(--accent);
  color: var(--text-dark);
  box-shadow: 1px 1px 0px var(--text-main);
}

.nav-cta {
  background: var(--accent);
  color: var(--text-dark);
  font-weight: 900;
  padding: 10px 20px;
  border: var(--border-width) solid var(--text-dark);
  box-shadow: 4px 4px 0px var(--text-main);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.nav-cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--text-main);
  background: #FFF;
}

/* ==========================================================================
   跑马灯横幅 (Infinite Marquee Ticker Strip)
   ========================================================================== */
.marquee-strip {
  width: 100%;
  background: var(--accent);
  color: var(--text-dark);
  border-bottom: var(--border-width) solid var(--text-dark);
  border-top: var(--border-width) solid var(--text-dark);
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  padding: 10px 0;
}

.marquee-strip.footer-marquee {
  border-top: var(--border-width) solid var(--border-color);
  border-bottom: var(--border-width) solid var(--border-color);
  margin-top: 60px;
}

.marquee-content {
  display: inline-flex;
  width: max-content;
  animation: marqueeScroll 22s linear infinite;
}

.marquee-strip:hover .marquee-content {
  animation-play-state: paused;
}

.marquee-item {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 2px;
  padding: 0 20px;
}

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

/* ==========================================================================
   按钮组件 (Brutalist Buttons)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 1.1rem;
  padding: 16px 32px;
  border: var(--border-width) solid var(--border-color);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--text-dark);
  box-shadow: var(--shadow-white);
}

.btn-primary:hover {
  background: #FFFFFF;
  color: var(--text-dark);
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0px var(--text-main);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
  box-shadow: var(--shadow-main);
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--text-dark);
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0px var(--text-main);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   主视觉区 (Hero Section)
   ========================================================================== */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
  border-bottom: var(--border-width) solid var(--border-color);
  background: radial-gradient(circle at top right, #252525 0%, #111111 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background: var(--accent);
  color: var(--text-dark);
  font-weight: 900;
  font-size: 0.95rem;
  padding: 6px 14px;
  border: var(--border-width) solid var(--text-dark);
  box-shadow: 4px 4px 0px var(--border-color);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6.8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 24px;
  color: var(--text-main);
  text-shadow: 3px 3px 0px #000;
}

.hero-headline .highlight-text {
  color: var(--accent);
  background: #1e1e1e;
  padding: 0 10px;
  display: inline-block;
  border-left: 6px solid var(--accent);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 620px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 36px;
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: var(--border-width) dashed #333333;
}

.stat-box {
  border-left: 3px solid var(--accent);
  padding-left: 14px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}

.stat-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 视觉终端卡片 */
.hero-visual-card {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  box-shadow: 10px 10px 0px var(--accent);
  padding: 24px;
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--border-width) solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.card-dots {
  display: flex;
  gap: 8px;
}

.card-dot {
  width: 14px;
  height: 14px;
  background: var(--border-color);
  border: 2px solid var(--text-dark);
}

.card-dot.active {
  background: var(--accent);
}

.card-badge {
  font-size: 0.8rem;
  font-weight: 900;
  background: var(--text-dark);
  color: var(--accent);
  padding: 3px 8px;
  border: 1px solid var(--accent);
}

.terminal-line {
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
}

.terminal-line span.val {
  color: var(--accent);
  font-weight: 700;
}

.speed-meter {
  background: #252525;
  border: 2px solid var(--border-color);
  height: 20px;
  margin: 16px 0 20px;
  position: relative;
  overflow: hidden;
}

.speed-bar {
  background: var(--accent);
  height: 100%;
  width: 98.4%;
}

.latency-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.latency-item {
  background: #111;
  border: 2px solid #333;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.latency-item .city {
  font-size: 0.85rem;
  font-weight: 700;
}

.latency-item .ms {
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--accent);
}

/* ==========================================================================
   通用区块标题 (Section Headers)
   ========================================================================== */
.section {
  padding: 80px 0;
  border-bottom: var(--border-width) solid var(--border-color);
}

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

.section-eyebrow {
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.15;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 650px;
}

/* ==========================================================================
   产品核心优势介绍 (Features - 01/02/03 Numbered Cards)
   150ms 悬浮反色 (Invert to Accent)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-box {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  padding: 36px 28px;
  box-shadow: var(--shadow-main);
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* 核心要求：150ms 反色交互 */
.feature-box:hover {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--text-dark);
  box-shadow: 8px 8px 0px var(--text-main);
  transform: translateY(-6px);
}

.feature-box:hover .feature-num {
  color: var(--text-dark);
  border-bottom-color: var(--text-dark);
}

.feature-box:hover .feature-title {
  color: var(--text-dark);
}

.feature-box:hover .feature-desc {
  color: #222222;
}

.feature-box:hover .feature-badge {
  background: var(--text-dark);
  color: var(--accent);
  border-color: var(--text-dark);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: var(--border-width) solid #333333;
  transition: color var(--transition-fast), border-bottom-color var(--transition-fast);
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 14px;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.feature-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  transition: color var(--transition-fast);
}

.feature-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.85rem;
  font-weight: 900;
  padding: 4px 10px;
  background: #252525;
  color: var(--accent);
  border: 2px solid var(--accent);
  transition: all var(--transition-fast);
}

/* ==========================================================================
   流媒体与 AI 支持图卡 (Media & AI Unlocking Grid)
   ========================================================================== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.support-card {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  padding: 24px;
  box-shadow: 4px 4px 0px var(--border-color);
  transition: all var(--transition-fast);
}

.support-card:hover {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--text-dark);
  box-shadow: 6px 6px 0px #FFF;
  transform: translate(-3px, -3px);
}

.support-card:hover .support-name {
  color: var(--text-dark);
}

.support-card:hover .support-desc {
  color: #222;
}

.support-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.support-name {
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 8px;
  color: var(--text-main);
}

.support-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.support-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.8rem;
  font-weight: 900;
  background: #111;
  color: var(--accent);
  padding: 3px 8px;
  border: 1px solid var(--accent);
}

.support-card:hover .support-tag {
  background: var(--text-dark);
  color: var(--accent);
  border-color: var(--text-dark);
}

/* ==========================================================================
   套餐价格对比表 (Brutalist Pricing Blocks)
   ========================================================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  padding: 36px 28px;
  box-shadow: var(--shadow-white);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.price-card:hover {
  transform: translateY(-8px);
  box-shadow: 8px 8px 0px var(--accent);
}

.price-card.featured {
  background: #1C1A14;
  border-color: var(--accent);
  box-shadow: 8px 8px 0px var(--accent);
}

.featured-flag {
  position: absolute;
  top: -16px;
  right: 24px;
  background: var(--accent);
  color: var(--text-dark);
  font-weight: 900;
  font-size: 0.85rem;
  padding: 4px 14px;
  border: var(--border-width) solid var(--text-dark);
  box-shadow: 2px 2px 0px var(--text-main);
}

.plan-name {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.plan-price {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: var(--border-width) solid #333333;
}

.price-currency {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent);
}

.price-amount {
  font-family: var(--font-display);
  font-size: 3.8rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
}

.price-period {
  font-size: 1rem;
  color: var(--text-muted);
  margin-left: 6px;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-features li {
  font-size: 1rem;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li::before {
  content: "✔";
  color: var(--accent);
  font-weight: 900;
  font-size: 1.1rem;
}

/* ==========================================================================
   用户评价 (Testimonials)
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-card {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  padding: 30px;
  box-shadow: var(--shadow-main);
  transition: all var(--transition-fast);
}

.review-card:hover {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--text-dark);
  box-shadow: 6px 6px 0px #FFF;
  transform: translateY(-4px);
}

.review-card:hover .review-quote {
  color: var(--text-dark);
}

.review-card:hover .reviewer-role {
  color: #333;
}

.review-stars {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.review-card:hover .review-stars {
  color: var(--text-dark);
}

.review-quote {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-main);
  margin-bottom: 24px;
}

.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 2px solid #333;
  padding-top: 16px;
}

.reviewer-avatar {
  width: 48px;
  height: 48px;
  background: #252525;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
}

.reviewer-name {
  font-size: 1.05rem;
  font-weight: 900;
}

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

/* ==========================================================================
   常见问题解答 (FAQ)
   ========================================================================== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.faq-card {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  padding: 28px;
  box-shadow: 4px 4px 0px var(--border-color);
  transition: all var(--transition-fast);
}

.faq-card:hover {
  border-color: var(--accent);
  box-shadow: 6px 6px 0px var(--accent);
}

.faq-q {
  font-size: 1.25rem;
  font-weight: 900;
  margin-bottom: 14px;
  color: var(--accent);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.faq-q::before {
  content: "Q.";
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-main);
}

.faq-a {
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ==========================================================================
   页脚规范 (Chunky Footer)
   要求：只保留四个标题，且在新页面打开展示
   1. 网站地图
   2. 关于我们 (品牌介绍，服务理念，节点覆盖，客服支持)
   3. 服务条款 (禁止事项，免责声明)
   4. 隐私政策 (不保留用户使用日志)
   ========================================================================== */
.site-footer {
  background: #0A0A0A;
  border-top: var(--border-width) solid var(--border-color);
  padding: 60px 0 40px;
}

.footer-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 40px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--text-main);
  margin-bottom: 12px;
}

.footer-slogan {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 500px;
}

.footer-nav-list {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  list-style: none;
  margin: 36px 0;
  padding: 24px 0;
  border-top: var(--border-width) solid #222222;
  border-bottom: var(--border-width) solid #222222;
}

.footer-nav-item a {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--text-main);
  padding: 10px 20px;
  border: var(--border-width) solid var(--border-color);
  box-shadow: 4px 4px 0px var(--accent);
  display: inline-block;
  background: var(--bg-card);
}

.footer-nav-item a:hover {
  background: var(--accent);
  color: var(--text-dark);
  border-color: var(--text-dark);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--text-main);
}

.footer-bottom {
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  margin-top: 20px;
}

/* ==========================================================================
   资讯/独立内容页专用样式 (Article & Subpage Layout)
   ========================================================================== */
.page-header {
  padding: 60px 0 40px;
  border-bottom: var(--border-width) solid var(--border-color);
  background: #161616;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  margin-bottom: 16px;
  color: var(--accent);
}

.page-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 780px;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 60px 0;
}

.article-item {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  padding: 40px;
  box-shadow: var(--shadow-main);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-item:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0px var(--text-main);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 16px;
}

.article-title {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.3;
  color: var(--text-main);
}

.article-body {
  font-size: 1.1rem;
  line-height: 1.85;
  color: #D6D0C5;
}

.article-body p {
  margin-bottom: 18px;
}

.article-body h3 {
  font-size: 1.35rem;
  color: var(--accent);
  margin: 24px 0 12px;
  border-left: 4px solid var(--accent);
  padding-left: 10px;
}

.article-body ul {
  margin-left: 24px;
  margin-bottom: 18px;
}

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

/* 锚文本链接专用反差高亮样式 */
.dofollow-link {
  color: var(--accent);
  font-weight: 900;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  background: rgba(255, 212, 0, 0.12);
  padding: 2px 6px;
  border: 1px solid var(--accent);
  display: inline-block;
}

.dofollow-link:hover {
  background: var(--accent);
  color: var(--text-dark);
  text-decoration: none;
  box-shadow: 3px 3px 0px #FFF;
}

/* 规范内容排版 (关于、条款、隐私、站点地图) */
.content-box {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-color);
  padding: 48px;
  box-shadow: var(--shadow-main);
  margin: 60px auto;
  max-width: 900px;
}

.content-box h2 {
  font-size: 1.6rem;
  color: var(--accent);
  margin: 32px 0 16px;
  border-bottom: 2px solid #333;
  padding-bottom: 8px;
}

.content-box h2:first-of-type {
  margin-top: 0;
}

.content-box p {
  font-size: 1.08rem;
  line-height: 1.85;
  color: #D6D0C5;
  margin-bottom: 16px;
}

.content-box ul {
  margin-left: 24px;
  margin-bottom: 20px;
  color: #D6D0C5;
  line-height: 1.8;
}

/* ==========================================================================
   响应式适配 (Responsive Media Queries)
   确保手机端单栏完美呈现，大尺寸触控区
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .nav-inner {
    flex-direction: column;
    gap: 16px;
  }
  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }
  .hero-cta-group {
    flex-direction: column;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
  .footer-nav-list {
    flex-direction: column;
    gap: 16px;
  }
  .footer-nav-item a {
    display: block;
    width: 100%;
    text-align: center;
  }
  .content-box {
    padding: 24px;
    margin: 30px auto;
  }
  .article-item {
    padding: 24px;
  }
}