/**
 * Shadowrocket 小火箭官网 - 奥斯汀现场演出贴风格样式规范
 * 布局：10:3 新闻带，对角线斜切，左上标题右下元数据，顶端齐头底端自由，只留地不留天
 * 主标题占幅 31%，模块间隙 11pt (14.67px)，安全边 3.3%
 * 设计：窗花剪纸负形；材质按 帆布；装饰只出现在 页眉；禁止渐变与投影；圆角 1 / 13 / 11 / 13
 * 骨架：票据骨架：字段名 + 字段值两列；关键词植入「小火箭免费节点2026」；断行策略：问号收束；信息点数量 3；禁止口号堆砌
 * 风格：奥斯汀现场演出贴 (Austin Live Gig Poster)
 * 颜色：夜色 青绿 (#11241C)、磷光 晴空 (#27C2A6，色相约 148°)、纸色余白 (#F5F8F5)；参考色 #895167 / #4557A1
 */

:root {
  --canvas-cloth-bg: #EDF2ED;        /* 帆布材质微灰青绿底 */
  --canvas-paper-white: #FAFBF9;     /* 纸色余白 */
  --night-teal: #11241C;             /* 夜色 青绿 (深色主字/卡片底) */
  --night-teal-surface: #193328;     /* 夜色 卡片悬停微亮 */
  --phosphor-sky: #27C2A6;           /* 磷光 晴空 (色相约 148°) */
  --austin-plum: #895167;            /* 参考色 复古灰莓紫 */
  --stage-blue: #4557A1;             /* 参考色 现场深钴蓝 */
  --border-line: #CCD6CC;            /* 票据边线 */
  --border-dark: #1A382C;            /* 墨绿硬边 */
  
  --ink-primary: #0D1C15;            /* 正文墨字 */
  --ink-muted: #4F6359;              /* 辅助副文 */
  --card-text-light: #EBF4F0;        /* 卡片白字 */
  --card-text-muted: #95ADA1;        /* 卡片灰字 */

  --radius-austin: 1px 13px 11px 13px; /* 专属规范圆角 1 / 13 / 11 / 13 */

  --space-gap-11pt: 14.67px;         /* 模块间隙 11pt ≈ 14.67px */
  --safe-padding-ratio: 3.3%;        /* 安全边 3.3% */
}

/* 全局重置：严格禁止任何渐变与投影 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  box-shadow: none !important;
  text-shadow: none !important;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-primary);
  background-color: var(--canvas-cloth-bg);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--canvas-cloth-bg);
  color: var(--ink-primary);
  overflow-x: hidden;
  /* 顶端齐头底端自由，只留地不留天：body 顶部 0 padding */
  padding-top: 0;
  padding-bottom: 48px;
}

/* ==========================================================================
   10:3 新闻带主容器 (顶端齐头，只留地不留天，安全边 3.3%)
   ========================================================================== */
.austin-10-3-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--safe-padding-ratio);
  padding-right: var(--safe-padding-ratio);
  padding-top: 0; /* 齐头贴顶 */
}

/* ==========================================================================
   1. 导航 + 【装饰只出现在 页眉】(窗花剪纸负形、奥斯汀现场演出贴戳记)
   ========================================================================== */
.site-header {
  border-bottom: 2px solid var(--border-dark);
  background-color: var(--canvas-paper-white);
  padding-top: 8px;
  padding-bottom: 10px;
  margin-bottom: var(--space-gap-11pt);
  position: relative;
}

/* 装饰只出现在页眉：窗花剪纸负形条带 + 演出贴印签 */
.header-cutout-negative-ribbon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--night-teal);
  color: var(--phosphor-sky);
  padding: 3px 12px;
  font-family: monospace;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  border-radius: var(--radius-austin);
}

/* 窗花剪纸负形标记 (镂空剪纸贴纸造型) */
.cutout-stencil-box {
  background-color: var(--canvas-paper-white);
  color: var(--night-teal);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink-primary);
}

.logo-stencil-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-austin);
  background-color: var(--night-teal);
  color: var(--phosphor-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  border: 1.5px solid var(--phosphor-sky);
}

.logo-text-block {
  display: flex;
  flex-direction: column;
}

.logo-brand-title {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--night-teal);
  line-height: 1.1;
}

.logo-brand-sub {
  font-size: 10px;
  font-weight: 800;
  color: var(--austin-plum);
  letter-spacing: 1px;
}

.header-center-nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 22px;
}

.header-center-nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-primary);
  border-bottom: 2px solid transparent;
  padding: 4px 0;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.header-center-nav a:hover {
  color: var(--night-teal);
  border-bottom-color: var(--phosphor-sky);
}

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

.btn-header-download {
  display: inline-block;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 800;
  color: var(--night-teal);
  background-color: var(--phosphor-sky);
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-austin);
  text-decoration: none;
  transition: background-color 0.15s ease;
}

.btn-header-download:hover {
  background-color: #42E6C9;
}

.btn-nav-hamburger {
  display: none;
  background: none;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-austin);
  padding: 6px 8px;
  cursor: pointer;
  color: var(--ink-primary);
}

@media (max-width: 768px) {
  .header-center-nav {
    display: none;
    position: absolute;
    top: 86px;
    left: var(--safe-padding-ratio);
    right: var(--safe-padding-ratio);
    background-color: var(--canvas-paper-white);
    border: 2px solid var(--border-dark);
    border-radius: var(--radius-austin);
    flex-direction: column;
    padding: 16px;
    gap: 14px;
    z-index: 100;
  }
  .header-center-nav.open {
    display: flex;
  }
  .btn-nav-hamburger {
    display: block;
  }
}

/* ==========================================================================
   2. Hero 模块 (大于 1024px 左文案、右模拟窗，10:3 宽幅对角线斜切，左上标题右下元数据)
   主标题占幅 31%，模块间隙 11pt (14.67px)
   ========================================================================== */
.hero-10-3-band {
  display: grid;
  grid-template-columns: 53% 47%;
  gap: 20px;
  margin-bottom: var(--space-gap-11pt);
  align-items: start;
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-austin);
  background-color: var(--canvas-paper-white);
  padding: 22px;
  position: relative;
}

/* 对角线斜切切角装饰 (纯平实线与切角，禁止渐变与投影) */
.diagonal-ticket-notch {
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  background-color: var(--phosphor-sky);
  border-bottom: 3px solid var(--night-teal);
  pointer-events: none;
}

.hero-col-left {
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ① 版本胶囊 */
.version-capsule-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 10px;
  font-size: 10px;
  font-weight: 800;
  font-family: monospace;
  background-color: var(--night-teal);
  color: var(--phosphor-sky);
  border-radius: var(--radius-austin);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

/* ② 超大主标题：主标题占幅 31% 容器约束 */
.hero-title-limit-31 {
  max-width: 84%;
  margin-bottom: 8px;
}

.hero-main-h1 {
  font-size: clamp(23px, 3.1vw, 34px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--night-teal);
  letter-spacing: -0.5px;
}

.hero-main-h1 mark {
  background-color: var(--phosphor-sky);
  color: var(--night-teal);
  padding: 0 6px;
  border-radius: 2px;
}

/* 断行策略：问号收束 */
.hero-subline-question {
  font-size: 13px;
  font-weight: 800;
  color: var(--austin-plum);
  line-height: 1.45;
  margin-bottom: 10px;
}

/* 骨架：票据骨架：字段名 + 字段值两列 (Receipt Ledger Grid) */
.receipt-ledger-box {
  background-color: #F1F6F2;
  border: 1px solid var(--border-line);
  border-left: 4px solid var(--night-teal);
  border-radius: var(--radius-austin);
  padding: 8px 12px;
  margin-bottom: 12px;
  font-family: monospace;
  font-size: 11.5px;
}

.receipt-ledger-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 0;
}

.ledger-key {
  color: var(--ink-muted);
  font-weight: 700;
}

.ledger-val {
  color: var(--night-teal);
  font-weight: 900;
}

/* ③ 一段说明 (植入「小火箭免费节点2026」，禁止口号堆砌) */
.hero-desc-paragraph {
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-muted);
  margin-bottom: 10px;
}

.hero-desc-paragraph strong {
  color: var(--night-teal);
}

/* ④ 更新日期 + 右下元数据 (左上标题右下元数据布局) */
.hero-meta-downright-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-line);
  padding-top: 6px;
  margin-bottom: 12px;
  font-family: monospace;
  font-size: 11px;
  color: var(--stage-blue);
  font-weight: 800;
}

/* ⑤ 4 条勾选卖点 (严格 4 条) */
.hero-four-checkpoints {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 14px;
}

.hero-four-checkpoints li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-primary);
}

.hero-chk-square {
  width: 16px;
  height: 16px;
  border-radius: 2px;
  background-color: var(--night-teal);
  color: var(--phosphor-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 900;
  flex-shrink: 0;
}

/* ⑥ 双 CTA */
.hero-cta-button-pair {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 20px;
  background-color: var(--phosphor-sky);
  color: var(--night-teal);
  border: 1.5px solid var(--night-teal);
  border-radius: var(--radius-austin);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 900;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-cta-primary:hover {
  background-color: #42E6C9;
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  background-color: transparent;
  color: var(--ink-primary);
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-austin);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-cta-secondary:hover {
  background-color: #E2EAE3;
}

/* ⑦ 五个平台 emoji */
.hero-five-platform-emojis {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-muted);
}

/* 右栏：模拟窗 (装绿灯、延迟、带宽条装产品感，嵌入 1.webp) */
.hero-col-right {
  display: flex;
  flex-direction: column;
}

.mockup-status-window {
  background-color: var(--night-teal);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-austin);
  padding: 14px;
  color: var(--card-text-light);
}

.mockup-header-belt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid #234839;
  margin-bottom: 10px;
  font-size: 10px;
  font-family: monospace;
}

.mockup-traffic-dots {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mockup-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}
.dot-red { background-color: #E24B4A; }
.dot-yellow { background-color: #F1B738; }
.dot-green { background-color: var(--phosphor-sky); }

.mockup-telemetry-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #0A1712;
  border: 1px solid #234839;
  border-radius: var(--radius-austin);
  padding: 8px 12px;
  margin-bottom: 10px;
}

.radar-green-lamp {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--phosphor-sky);
  display: inline-block;
  margin-right: 8px;
}

.mockup-telemetry-title {
  font-size: 12px;
  font-weight: 700;
}

.mockup-telemetry-latency {
  font-family: monospace;
  font-size: 12px;
  font-weight: 900;
  color: var(--phosphor-sky);
  background-color: #122B22;
  padding: 2px 8px;
  border-radius: 2px;
  border: 1px solid #285443;
}

/* 带宽条装产品感 */
.mockup-bandwidth-strip {
  background-color: #0A1712;
  border: 1px solid #234839;
  border-radius: var(--radius-austin);
  padding: 8px 12px;
  margin-bottom: 10px;
}

.bandwidth-metrics {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: monospace;
  font-size: 10.5px;
  color: var(--card-text-muted);
  margin-bottom: 6px;
}

.bandwidth-bar-track {
  width: 100%;
  height: 6px;
  background-color: #1C3D30;
  border-radius: 3px;
  overflow: hidden;
}

.bandwidth-bar-fill {
  width: 86%;
  height: 100%;
  background-color: var(--phosphor-sky);
}

/* 嵌入 1.webp (显式声明 1200x628，首屏 eager) */
.mockup-img-frame {
  border: 1px solid #234839;
  border-radius: var(--radius-austin);
  overflow: hidden;
  background-color: #050B08;
}

.mockup-img-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 628;
  object-fit: cover;
}

@media (max-width: 1024px) {
  .hero-10-3-band {
    grid-template-columns: 1fr;
    padding: 16px;
  }
}

/* ==========================================================================
   3. 功能 / 平台 / 场景 / 流程
   同一套路：居中小标题 + H2 + 一句副文案（问号收束），下面卡片栅格
   卡片深色底、1px 边、圆角 1/13/11/13、28–32px 内边距，上面图标圆底
   流程 CSS counter 01–04
   信息点数量严格为 3
   模块间隙 11pt (14.67px)
   ========================================================================== */
.section-module-card {
  margin-bottom: var(--space-gap-11pt);
  border: 2px solid var(--border-line);
  border-radius: var(--radius-austin);
  background-color: var(--canvas-paper-white);
  padding: 22px 20px;
}

.section-head-unified {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 18px auto;
}

.section-eyebrow {
  display: inline-block;
  font-family: monospace;
  font-size: 11px;
  font-weight: 800;
  color: var(--stage-blue);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.section-head-unified h2 {
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 900;
  color: var(--night-teal);
  margin-bottom: 6px;
}

/* 断行策略：问号收束 */
.section-subline-question {
  font-size: 13px;
  font-weight: 700;
  color: var(--austin-plum);
}

/* 卡片栅格 (深色底、1px边、28–32px内边距、图标圆底) */
.cards-grid-triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.dark-bath-card {
  background-color: var(--night-teal);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-austin);
  padding: 30px; /* 28–32px 内边距规范 */
  color: var(--card-text-light);
  display: flex;
  flex-direction: column;
}

.card-round-icon-tray {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #19382B;
  border: 1.5px solid var(--phosphor-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
  color: var(--phosphor-sky);
}

.dark-bath-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.dark-bath-card p {
  font-size: 12.5px;
  color: var(--card-text-muted);
  line-height: 1.55;
  margin-bottom: 14px;
}

/* 信息点数量严格限定为 3 */
.three-points-stack {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid #234839;
  padding-top: 12px;
  margin-top: auto;
}

.three-points-stack li {
  font-size: 11.5px;
  color: var(--card-text-light);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.4;
}

.point-dot-sky {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--phosphor-sky);
  margin-top: 5px;
  flex-shrink: 0;
}

/* 流程模块：CSS counter 01–04 */
.process-counter-grid-4 {
  counter-reset: austin-step-counter;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.process-step-tile-4 {
  background-color: var(--night-teal);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-austin);
  padding: 28px 18px;
  color: var(--card-text-light);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* 数字：CSS counter 01–04 */
.process-step-tile-4::before {
  counter-increment: austin-step-counter;
  content: counter(austin-step-counter, decimal-leading-zero);
  font-family: monospace;
  font-size: 28px;
  font-weight: 900;
  color: var(--phosphor-sky);
  line-height: 1;
  margin-bottom: 10px;
  display: block;
}

.process-step-tile-4 h3 {
  font-size: 15px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.process-step-tile-4 p {
  font-size: 12px;
  color: var(--card-text-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

/* 折叠屏图表容器 (显式声明 1200x628，lazy) */
.section-diagram-frame {
  margin-top: 16px;
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-austin);
  overflow: hidden;
  background-color: var(--night-teal);
}

.section-diagram-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 628;
  object-fit: cover;
}

.diagram-caption {
  padding: 8px 12px;
  background-color: #0A1712;
  color: var(--card-text-muted);
  font-family: monospace;
  font-size: 11px;
  font-weight: 700;
  border-top: 1px solid #234839;
}

@media (max-width: 1024px) {
  .cards-grid-triad {
    grid-template-columns: 1fr;
  }
  .process-counter-grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .process-counter-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   4. 定价模块 (三张卡：¥15 / ¥39 / ¥79。专业版加 featured：蓝色/晴空描边、实线双框、「最受欢迎」胶囊)
   ========================================================================== */
.pricing-grid-triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  align-items: stretch;
}

.price-card-unit {
  background-color: var(--night-teal);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-austin);
  padding: 30px;
  color: var(--card-text-light);
  display: flex;
  flex-direction: column;
  position: relative;
}

.price-card-unit.featured {
  border: 2px solid var(--phosphor-sky);
  outline: 2px solid var(--stage-blue);
  background-color: #173327;
}

.badge-most-popular {
  position: absolute;
  top: -12px;
  right: 18px;
  background-color: var(--phosphor-sky);
  color: var(--night-teal);
  font-size: 10.5px;
  font-weight: 900;
  padding: 3px 10px;
  border-radius: var(--radius-austin);
  border: 1px solid var(--night-teal);
  letter-spacing: 0.5px;
}

.price-plan-name {
  font-size: 16px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.price-tag-big {
  font-family: monospace;
  font-size: 32px;
  font-weight: 900;
  color: var(--phosphor-sky);
  line-height: 1.1;
  margin-bottom: 10px;
}

.price-tag-big span {
  font-size: 13px;
  font-weight: 600;
  color: var(--card-text-muted);
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid #234839;
  padding-top: 14px;
  margin-bottom: 18px;
  margin-top: auto;
}

.pricing-features-list li {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--card-text-light);
}

.pricing-features-list li .tick {
  color: var(--phosphor-sky);
  font-weight: 900;
}

.btn-price-select {
  display: block;
  text-align: center;
  padding: 10px;
  background-color: #1A382B;
  color: #FFFFFF;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-austin);
  text-decoration: none;
  font-size: 13px;
  font-weight: 800;
  transition: background-color 0.15s ease;
}

.price-card-unit.featured .btn-price-select {
  background-color: var(--phosphor-sky);
  color: var(--night-teal);
  border: 1.5px solid var(--night-teal);
}

.btn-price-select:hover {
  background-color: #42E6C9;
  color: var(--night-teal);
}

@media (max-width: 900px) {
  .pricing-grid-triad {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   5. 评价 8 张 + 博客 8 张 (同款卡片，信息点数量 3)
   ========================================================================== */
.review-blog-grid-8 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.review-item-card, .blog-item-card {
  background-color: var(--night-teal);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-austin);
  padding: 20px;
  color: var(--card-text-light);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars-strip {
  color: var(--phosphor-sky);
  font-size: 13px;
  margin-bottom: 8px;
}

.review-quote-body {
  font-size: 12px;
  line-height: 1.5;
  color: var(--card-text-light);
  margin-bottom: 12px;
}

.review-author-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid #234839;
  padding-top: 10px;
}

.author-avatar-initial {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: #1A3D2F;
  border: 1px solid var(--phosphor-sky);
  color: var(--phosphor-sky);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
}

.author-info-unit {
  display: flex;
  flex-direction: column;
}

.author-name-text {
  font-size: 11.5px;
  font-weight: 700;
  color: #FFFFFF;
}

.review-date-text {
  font-size: 10px;
  color: var(--card-text-muted);
  font-family: monospace;
}

/* 博客卡片 */
.blog-tag-pill {
  display: inline-block;
  padding: 2px 7px;
  font-size: 10px;
  font-weight: 800;
  background-color: #1A382B;
  color: var(--phosphor-sky);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-austin);
  margin-bottom: 8px;
}

.blog-title-link {
  font-size: 13px;
  font-weight: 800;
  color: #FFFFFF;
  text-decoration: none;
  line-height: 1.4;
  margin-bottom: 6px;
  display: block;
}

.blog-title-link:hover {
  color: var(--phosphor-sky);
}

.blog-summary-text {
  font-size: 11.5px;
  color: var(--card-text-muted);
  line-height: 1.45;
  margin-bottom: 10px;
}

.blog-views-counter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #234839;
  padding-top: 8px;
  font-size: 10px;
  font-family: monospace;
  color: var(--card-text-muted);
}

@media (max-width: 1024px) {
  .review-blog-grid-8 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .review-blog-grid-8 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   6. FAQ 单列手风琴 + 底部居中 CTA (纯平底色)
   ========================================================================== */
.faq-accordion-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-panel-item {
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-austin);
  background-color: #FFFFFF;
  overflow: hidden;
}

.faq-toggle-btn {
  width: 100%;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 800;
  color: var(--ink-primary);
  cursor: pointer;
}

.faq-chevron-icon {
  width: 16px;
  height: 16px;
  stroke: var(--ink-primary);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-panel-item.active .faq-chevron-icon {
  transform: rotate(180deg);
}

.faq-collapse-body {
  display: none;
  padding: 0 18px 14px 18px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-muted);
  border-top: 1px dashed var(--border-line);
  padding-top: 10px;
}

.faq-panel-item.active .faq-collapse-body {
  display: block;
}

/* 底部居中 CTA (纯平底色，禁止渐变与投影) */
.bottom-cta-banner {
  margin-top: var(--space-gap-11pt);
  margin-bottom: var(--space-gap-11pt);
  border: 2px solid var(--border-dark);
  border-radius: var(--radius-austin);
  background-color: #DEE8E0;
  padding: 32px 20px;
  text-align: center;
}

.bottom-cta-banner h2 {
  font-size: clamp(20px, 2.7vw, 27px);
  font-weight: 900;
  color: var(--night-teal);
  margin-bottom: 8px;
}

.bottom-cta-banner p {
  font-size: 13.5px;
  color: var(--ink-muted);
  max-width: 680px;
  margin: 0 auto 16px auto;
  line-height: 1.6;
}

/* ==========================================================================
   4 栏页脚
   ========================================================================== */
.site-footer-quad {
  border-top: 2px solid var(--border-dark);
  background-color: #E2ECE4;
  padding: 32px 0 20px 0;
}

.footer-quad-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 22px;
}

.footer-column h4 {
  font-size: 13.5px;
  font-weight: 900;
  color: var(--night-teal);
  margin-bottom: 12px;
  border-left: 3px solid var(--phosphor-sky);
  padding-left: 8px;
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-column a {
  text-decoration: none;
  font-size: 12.5px;
  color: var(--ink-muted);
  transition: color 0.15s ease;
}

.footer-column a:hover {
  color: var(--night-teal);
  text-decoration: underline;
}

.footer-seo-clause {
  border-top: 1px solid var(--border-line);
  padding-top: 14px;
  margin-bottom: 14px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-muted);
}

.footer-closing-bar {
  border-top: 1px solid var(--border-line);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  font-family: monospace;
  color: var(--ink-muted);
}

@media (max-width: 768px) {
  .footer-quad-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-quad-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   下载页专用 SHA-256 表格
   ========================================================================== */
.sha256-table-wrapper {
  overflow-x: auto;
  margin-top: 12px;
}

.sha256-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  background-color: var(--night-teal);
  color: var(--card-text-light);
  border-radius: var(--radius-austin);
  overflow: hidden;
  border: 1px solid var(--border-dark);
}

.sha256-spec-table th, .sha256-spec-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid #234839;
}

.sha256-spec-table th {
  background-color: #0A1712;
  font-family: monospace;
  color: var(--phosphor-sky);
  font-size: 11.5px;
}

.tbl-hash-code {
  font-family: monospace;
  font-size: 11px;
  color: var(--phosphor-sky);
  word-break: break-all;
}

.btn-copy-hash {
  background-color: #1A382B;
  color: var(--card-text-light);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-austin);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-copy-hash:hover {
  background-color: var(--phosphor-sky);
  color: var(--night-teal);
}