/* ==========================================================================
   飞兔云 (Feituyun) - 先锋街头波普艺术 (Avant-garde Streetwear Pop-Art Zine)
   Red & Blue Candy-Racing Stripes / Brutalist Vinyl Stickers / Barcode Tech
   100% 原生 CSS，零重型外部依赖，极速秒开
   ========================================================================== */

/* ---------------- CSS 变量系统 ---------------- */
:root {
  --font-display: "Impact", "Arial Black", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Consolas", "Courier New", monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 经典大白兔怀旧糖果包装 + 先锋赛车高反差配色 */
  --racing-blue: #0047AB;       /* 法国赛车蓝 French Racing Blue */
  --racing-crimson: #E60000;    /* 赛车高能红 Racing Crimson */
  --milk-white: #FFFFFF;        /* 高反差乳白纸张底色 */
  --paper-cream: #F5F6F9;       /* 胶印粗粝纸基色 */
  --ink-black: #0A0D14;         /* 工业浓墨黑 */
  --ink-secondary: #3A4252;     /* 二级工程炭灰 */
  --border-tape: #0A0D14;       /* 粗黑工业描边 */
  
  --bg-page: #F5F6F9;
  --bg-card: #FFFFFF;
  --bg-sticker: #FFFFFF;
  --bg-highlight: #FFF200;      /* 工业荧光警示黄 */
  
  --shadow-block: 5px 5px 0px #0A0D14;
  --shadow-block-lg: 8px 8px 0px #0A0D14;
  --shadow-block-red: 6px 6px 0px #E60000;
  --shadow-block-blue: 6px 6px 0px #0047AB;

  --candy-stripes: repeating-linear-gradient(
    -45deg,
    #E60000 0,
    #E60000 14px,
    #FFFFFF 14px,
    #FFFFFF 28px,
    #0047AB 28px,
    #0047AB 42px,
    #FFFFFF 42px,
    #FFFFFF 56px
  );

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------------- 夜间模式 (机能暗黑夜视街头美学) ---------------- */
[data-theme="dark"] {
  --racing-blue: #1A6BFF;
  --racing-crimson: #FF2A2A;
  --milk-white: #F1F4F9;
  --paper-cream: #080A10;
  --ink-black: #F1F4F9;
  --ink-secondary: #9AA4B8;
  --border-tape: #F1F4F9;

  --bg-page: #080B12;
  --bg-card: #101522;
  --bg-sticker: #121927;
  --bg-highlight: #FFE600;

  --shadow-block: 5px 5px 0px #1A6BFF;
  --shadow-block-lg: 8px 8px 0px #FF2A2A;
  --shadow-block-red: 6px 6px 0px #FF2A2A;
  --shadow-block-blue: 6px 6px 0px #1A6BFF;

  --candy-stripes: repeating-linear-gradient(
    -45deg,
    #FF2A2A 0,
    #FF2A2A 14px,
    #080B12 14px,
    #080B12 28px,
    #1A6BFF 28px,
    #1A6BFF 42px,
    #080B12 42px,
    #080B12 56px
  );
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-page);
  color: var(--ink-black);
  line-height: 1.55;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  position: relative;
}

/* 工业背景点阵纹理 (微波普半调网点风格) */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: radial-gradient(rgba(0, 71, 171, 0.08) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: -1;
}

[data-theme="dark"] body::before {
  background-image: radial-gradient(rgba(26, 107, 255, 0.12) 1.5px, transparent 1.5px);
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------------- 红蓝糖果对角赛车跑马灯走字横幅 ---------------- */
.candy-ticker-wrap {
  width: 100%;
  overflow: hidden;
  background: var(--candy-stripes);
  padding: 6px 0;
  border-top: 2px solid var(--border-tape);
  border-bottom: 2px solid var(--border-tape);
  position: relative;
  z-index: 90;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.candy-ticker-content {
  display: flex;
  white-space: nowrap;
  animation: tickerSlide 22s linear infinite;
}

.candy-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--ink-black);
  color: #FFFFFF;
  padding: 3px 20px;
  margin-right: 18px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: skewX(-8deg);
  border: 1px solid #FFFFFF;
}

[data-theme="dark"] .candy-ticker-item {
  background: #FFFFFF;
  color: #0A0D14;
  border: 1px solid #000000;
}

.ticker-dot {
  width: 8px;
  height: 8px;
  background-color: var(--racing-crimson);
  display: inline-block;
  animation: pulseBlink 1s infinite alternate;
}

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

@keyframes pulseBlink {
  0% { opacity: 0.2; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1.2); }
}

/* ---------------- 顶部页眉与街头导航 ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  border-bottom: 3px solid var(--border-tape);
  box-shadow: 0 4px 0 rgba(0, 71, 171, 0.1);
  transition: background-color 0.3s ease;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* 品牌 Logo: 粗粝字体 + 经典糖果红蓝几何标牌 */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: -0.04em;
  font-weight: 900;
  color: var(--ink-black);
  text-transform: uppercase;
}

.brand-badge {
  background: var(--racing-crimson);
  color: #FFFFFF;
  padding: 4px 10px;
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  border: 2px solid var(--ink-black);
  box-shadow: 3px 3px 0 var(--racing-blue);
  transform: rotate(-3deg);
  display: inline-block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-black);
  padding: 6px 12px;
  position: relative;
  transition: var(--transition-fast);
  border: 1px solid transparent;
}

.nav-link:hover, .nav-link.active {
  background: var(--racing-blue);
  color: #FFFFFF;
  border: 1px solid var(--ink-black);
  box-shadow: 2px 2px 0 var(--racing-crimson);
  transform: translateY(-2px);
}

/* 新增推荐资讯高亮标牌 */
.nav-link-intel {
  background: var(--bg-highlight);
  color: #0A0D14 !important;
  border: 1px dashed var(--ink-black);
  font-weight: 900;
}

.nav-link-intel:hover {
  background: var(--racing-crimson) !important;
  color: #FFFFFF !important;
}

/* 右侧操作栏 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 精致专业微透明昼夜切换按钮 (去粗糙emoji，高质感工业亚克力滑块微交互) */
.theme-toggle-btn {
  background: rgba(0, 71, 171, 0.08);
  border: 2px solid var(--border-tape);
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-black);
  position: relative;
  box-shadow: 2px 2px 0 var(--border-tape);
  transition: var(--transition-fast);
  outline: none;
}

.theme-toggle-btn:hover {
  background: var(--bg-highlight);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--border-tape);
}

.theme-icon-sun, .theme-icon-moon {
  position: absolute;
  width: 22px;
  height: 22px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.theme-icon-sun {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.theme-icon-moon {
  opacity: 0;
  transform: scale(0.4) rotate(90deg);
}

[data-theme="dark"] .theme-icon-sun {
  opacity: 0;
  transform: scale(0.4) rotate(-90deg);
}

[data-theme="dark"] .theme-icon-moon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

/* ---------------- 按钮与重磅微振动跳切动画 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 26px;
  cursor: pointer;
  border: 3px solid var(--border-tape);
  position: relative;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-block);
  user-select: none;
}

/* 微振颤跳切 (Micro-vibration jump cuts) */
.btn:hover {
  animation: microVibrate 0.25s ease infinite alternate;
  box-shadow: 6px 6px 0px var(--border-tape);
}

@keyframes microVibrate {
  0% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(-2px, 1px) rotate(-0.8deg); }
  50% { transform: translate(1px, -1px) rotate(0.6deg); }
  75% { transform: translate(-1px, -2px) rotate(-0.5deg); }
  100% { transform: translate(2px, 1px) rotate(0.8deg); }
}

.btn-primary {
  background: var(--racing-crimson);
  color: #FFFFFF !important;
}

.btn-secondary {
  background: var(--racing-blue);
  color: #FFFFFF !important;
}

.btn-stamp {
  background: var(--bg-highlight);
  color: #0A0D14 !important;
  box-shadow: 5px 5px 0 var(--racing-crimson);
}

.btn-large {
  font-size: 1.25rem;
  padding: 16px 36px;
}

/* 重磅橡胶印章下压动效与墨汁飞溅 (Rubberized Stamp Effect) */
.stamp-btn-active {
  animation: rubberStampPress 0.35s cubic-bezier(0.18, 0.89, 0.32, 1.28) forwards !important;
}

@keyframes rubberStampPress {
  0% { transform: scale(1) translate(0, 0); }
  40% { transform: scale(0.92) translate(4px, 4px); box-shadow: 1px 1px 0 #000; filter: saturate(1.5); }
  70% { transform: scale(1.04) translate(-1px, -1px); }
  100% { transform: scale(1) translate(0, 0); box-shadow: var(--shadow-block); }
}

.ink-splat {
  position: absolute;
  pointer-events: none;
  width: 80px;
  height: 80px;
  background-image: radial-gradient(circle, rgba(230, 0, 0, 0.8) 25%, rgba(0, 71, 171, 0.6) 50%, transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  animation: inkBleed 0.5s ease-out forwards;
  z-index: 99;
}

@keyframes inkBleed {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; }
  60% { transform: translate(-50%, -50%) scale(1.4); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

/* ---------------- Hero 主视觉区 (Zine 封面海报排版) ---------------- */
.hero-section {
  position: relative;
  padding: 70px 0 60px;
  overflow: hidden;
  border-bottom: 3px solid var(--border-tape);
}

.hero-poster {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

/* 工业条码印签 */
.seal-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink-black);
  color: #FFFFFF;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  border: 2px solid var(--racing-crimson);
  box-shadow: 3px 3px 0 var(--racing-blue);
  margin-bottom: 24px;
}

[data-theme="dark"] .seal-tag {
  background: #101522;
  color: #F1F4F9;
}

.barcode-mini {
  display: inline-block;
  height: 14px;
  width: 50px;
  background: repeating-linear-gradient(
    90deg,
    currentColor 0,
    currentColor 2px,
    transparent 2px,
    transparent 4px,
    currentColor 4px,
    currentColor 5px,
    transparent 5px,
    transparent 8px
  );
}

/* 大标题：包含品牌名“飞兔云”，动态拉伸字体张力 */
.hero-headline {
  font-family: var(--font-display);
  font-size: 4.2rem;
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 24px;
  transition: letter-spacing 0.2s ease-out;
}

.brand-title-lead {
  display: block;
  color: var(--racing-crimson);
  text-shadow: 3px 3px 0 var(--racing-blue);
}

.headline-sublead {
  display: block;
  background: var(--racing-blue);
  color: #FFFFFF;
  padding: 4px 14px;
  transform: skewX(-4deg);
  box-shadow: 4px 4px 0 var(--border-tape);
  margin-top: 6px;
  font-size: 3.2rem;
}

.hero-intro-box {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  padding: 22px 26px;
  box-shadow: var(--shadow-block);
  margin-bottom: 32px;
  position: relative;
}

.hero-intro-box::before {
  content: "SPEC // 简介说明";
  position: absolute;
  top: -12px;
  left: 18px;
  background: var(--bg-highlight);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 900;
  padding: 2px 8px;
  border: 1px solid var(--border-tape);
}

.hero-intro-text {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--ink-black);
  font-weight: 500;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Hero 右侧机能工业信息图腾 (Zine Patch) */
.hero-visual-patch {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block-lg);
  padding: 30px;
  position: relative;
  transform: rotate(1.5deg);
}

.patch-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px dashed var(--border-tape);
  padding-bottom: 12px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.85rem;
}

.patch-serial {
  color: var(--racing-crimson);
}

.patch-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

.patch-spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-page);
  border: 1px solid var(--border-tape);
}

.spec-key {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-secondary);
}

.spec-val {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--racing-blue);
}

/* 巨幅工业条形码徽章 */
.hero-industrial-barcode {
  width: 100%;
  height: 54px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink-black) 0,
    var(--ink-black) 3px,
    transparent 3px,
    transparent 6px,
    var(--ink-black) 6px,
    var(--ink-black) 8px,
    transparent 8px,
    transparent 11px,
    var(--ink-black) 11px,
    var(--ink-black) 15px,
    transparent 15px,
    transparent 18px
  );
  margin-top: 10px;
  border: 1px solid var(--border-tape);
}

.barcode-digits {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: center;
  letter-spacing: 0.35em;
  margin-top: 4px;
  font-weight: 800;
}

/* ---------------- 通用章节版式 ---------------- */
.section-padding {
  padding: 80px 0;
  border-bottom: 3px solid var(--border-tape);
  position: relative;
}

.section-head-bar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  border-bottom: 3px solid var(--border-tape);
  padding-bottom: 18px;
  flex-wrap: wrap;
  gap: 20px;
}

.section-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.section-chapter {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--racing-crimson);
  letter-spacing: 0.15em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.section-h2 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

/* ---------------- 产品核心优势介绍 (3个图文卡片) ---------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.sticker-feature-card {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block);
  padding: 34px 28px;
  position: relative;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.sticker-feature-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0px var(--racing-crimson);
}

.card-tape-ribbon {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--candy-stripes);
  height: 24px;
  width: 90px;
  border: 1.5px solid var(--border-tape);
  transform: rotate(-3deg);
}

.feature-tag-id {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 900;
  color: var(--racing-blue);
  margin-bottom: 14px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.2;
}

.feature-desc {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
}

.feature-spec-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-badge {
  background: var(--paper-cream);
  border: 1.5px solid var(--border-tape);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--ink-black);
}

/* ---------------- 交互黑科技：可剥离乙烯基贴纸节点探针 (Peelable Sticker Nodes) ---------------- */
.sticker-nodes-section {
  background: var(--bg-card);
}

.stickers-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.peelable-sticker-box {
  position: relative;
  height: 200px;
  cursor: grab;
  user-select: none;
  perspective: 1000px;
}

/* 底层揭露参数 (Ping & Bandwidth specs) */
.sticker-underlay {
  position: absolute;
  inset: 0;
  background: var(--ink-black);
  color: #FFFFFF;
  border: 2px dashed var(--racing-crimson);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-family: var(--font-mono);
  box-shadow: inset 0 0 15px rgba(230, 0, 0, 0.4);
}

.underlay-label {
  font-size: 0.75rem;
  color: var(--bg-highlight);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.underlay-ping {
  font-size: 2rem;
  font-weight: 900;
  color: #22c55e;
  line-height: 1;
  margin-bottom: 6px;
}

.underlay-bandwidth {
  font-size: 0.85rem;
  color: #FFFFFF;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 6px;
  width: 100%;
}

/* 表层乙烯基贴纸 (可卷角剥离) */
.sticker-surface {
  position: absolute;
  inset: 0;
  background: var(--milk-white);
  color: #0A0D14;
  border: 3px solid var(--border-tape);
  padding: 18px 16px;
  box-shadow: var(--shadow-block);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), clip-path 0.35s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  transform-origin: top left;
}

/* 卷折角标 */
.sticker-corner-peel {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, transparent 50%, rgba(0,0,0,0.15) 50%), #e2e8f0;
  border-left: 2px solid var(--border-tape);
  border-top: 2px solid var(--border-tape);
  box-shadow: -2px -2px 4px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
}

/* 鼠标悬停或拖拽时的卷折剥离物理态 */
.peelable-sticker-box:hover .sticker-surface {
  transform: rotate(-3deg) translate(-10px, -12px);
  box-shadow: 10px 10px 0 var(--racing-crimson);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), calc(100% - 44px) 100%, 0 100%);
}

.peelable-sticker-box:hover .sticker-corner-peel {
  width: 44px;
  height: 44px;
}

.sticker-node-flag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 900;
  background: var(--racing-blue);
  color: #FFFFFF;
  padding: 2px 6px;
  display: inline-block;
  align-self: flex-start;
}

.sticker-node-city {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin: 6px 0;
}

.sticker-node-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--racing-crimson);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ---------------- 场景专区：流媒体图卡 + AI支持图卡 ---------------- */
.scenarios-zine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.zine-scenario-card {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block);
  padding: 36px 32px;
  position: relative;
}

.zine-scenario-card.media-card {
  border-top: 8px solid var(--racing-crimson);
}

.zine-scenario-card.ai-card {
  border-top: 8px solid var(--racing-blue);
}

.scenario-badge-banner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
  border: 2px solid var(--border-tape);
  margin-bottom: 20px;
}

.banner-red {
  background: var(--racing-crimson);
  color: #FFFFFF;
}

.banner-blue {
  background: var(--racing-blue);
  color: #FFFFFF;
}

.scenario-headline {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.2;
}

.scenario-desc {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  margin-bottom: 26px;
}

.streetwear-tags-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.street-tag-item {
  background: var(--paper-cream);
  border: 2px solid var(--border-tape);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  box-shadow: 2px 2px 0 var(--border-tape);
}

.scenario-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  border-top: 2px dashed var(--border-tape);
  padding-top: 18px;
}

.scenario-bullet-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bullet-mark {
  color: var(--racing-crimson);
  font-weight: 900;
}

/* ---------------- 交互黑科技：工业条形码套餐刷档器 + 真实价格表 ---------------- */
.pricing-section {
  background: var(--paper-cream);
}

/* 工业条码刷档器控制器 */
.barcode-scrubber-module {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block);
  padding: 24px 30px;
  margin-bottom: 40px;
  text-align: center;
}

.scrubber-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
}

.scrubber-sound-badge {
  background: var(--bg-highlight);
  color: #0A0D14;
  padding: 3px 8px;
  border: 1px solid var(--border-tape);
  font-size: 0.75rem;
}

.barcode-slider-container {
  position: relative;
  width: 100%;
  padding: 10px 0;
}

/* 条形码图形背景 */
.barcode-slider-track {
  width: 100%;
  height: 48px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink-black) 0,
    var(--ink-black) 2px,
    transparent 2px,
    transparent 5px,
    var(--ink-black) 5px,
    var(--ink-black) 8px,
    transparent 8px,
    transparent 10px,
    var(--ink-black) 10px,
    var(--ink-black) 14px,
    transparent 14px,
    transparent 18px
  );
  border: 2px solid var(--border-tape);
  position: relative;
}

/* 原生定制范围滑块透明覆盖 */
.barcode-range-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 10;
}

/* 刷档指示游标 */
.scrubber-cursor-indicator {
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 56px;
  background: var(--racing-crimson);
  border: 2px solid var(--milk-white);
  box-shadow: 0 0 10px rgba(230, 0, 0, 0.8);
  pointer-events: none;
  transition: left 0.15s ease-out;
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pricing-zine-card {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-zine-card.active-tier {
  border: 4px solid var(--racing-crimson);
  box-shadow: 10px 10px 0px var(--racing-blue);
  transform: translateY(-8px);
}

.popular-security-seal {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--racing-crimson);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 900;
  padding: 4px 18px;
  border: 2px solid var(--border-tape);
  box-shadow: 3px 3px 0 var(--border-tape);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.pricing-card-header {
  border-bottom: 2px dashed var(--border-tape);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.pricing-plan-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 4px;
}

.pricing-plan-sub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-secondary);
}

.pricing-figure-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 18px 0;
}

.price-currency {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--racing-crimson);
}

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

.price-unit {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink-secondary);
}

.pricing-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex-grow: 1;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
}

.pricing-feature-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-feature-row strong {
  color: var(--racing-blue);
  font-weight: 900;
}

/* ---------------- 用户口碑评价 (街头质检印章，严禁星星) ---------------- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-zine-card {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

/* 工业质检通过印章 (替代传统星星图标) */
.qa-stamp-badge {
  display: inline-block;
  border: 3px solid var(--racing-crimson);
  color: var(--racing-crimson);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 900;
  padding: 3px 10px;
  transform: rotate(-4deg);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
  align-self: flex-start;
}

.review-quote-text {
  font-size: 1.02rem;
  line-height: 1.65;
  margin-bottom: 24px;
  font-weight: 500;
}

.reviewer-meta {
  border-top: 2px dashed var(--border-tape);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
}

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

.reviewer-role {
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

.reviewer-verified-tag {
  background: var(--racing-blue);
  color: #FFFFFF;
  padding: 2px 8px;
  font-size: 0.72rem;
  font-weight: 800;
}

/* ---------------- 常见问题 FAQ ---------------- */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-zine-item {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: 4px 4px 0 var(--border-tape);
  transition: var(--transition-fast);
}

.faq-zine-btn {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--ink-black);
}

.faq-toggle-sign {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--racing-crimson);
  transition: transform 0.2s ease;
}

.faq-zine-item.active .faq-toggle-sign {
  transform: rotate(45deg);
}

.faq-zine-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-secondary);
}

.faq-zine-item.active .faq-zine-answer {
  max-height: 280px;
  padding-bottom: 20px;
  border-top: 1px dashed var(--border-tape);
  padding-top: 14px;
}

/* ---------------- 页脚 (严格仅保留这四个标题，打开新页面) ---------------- */
.site-footer {
  background: var(--ink-black);
  color: #FFFFFF;
  border-top: 4px solid var(--border-tape);
  padding: 40px 0;
  margin-top: auto;
}

[data-theme="dark"] .site-footer {
  background: #05070B;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-link {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 900;
  color: #FFFFFF;
  padding: 6px 14px;
  border: 1px solid transparent;
  transition: var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-link:hover {
  background: var(--racing-crimson);
  color: #FFFFFF;
  border: 1px solid #FFFFFF;
  box-shadow: 3px 3px 0 var(--racing-blue);
  transform: translateY(-2px);
}

/* ---------------- 独立子页面样式 ---------------- */
.page-hero-zine {
  background: var(--racing-blue);
  color: #FFFFFF;
  padding: 60px 0 45px;
  border-bottom: 3px solid var(--border-tape);
  text-align: center;
}

.page-title-zine {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.page-subtitle-zine {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  opacity: 0.95;
}

.content-article-zine {
  max-width: 900px;
  margin: 50px auto 80px;
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block-lg);
  padding: 50px 45px;
}

.content-article-zine h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  margin-top: 36px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--racing-crimson);
  text-transform: uppercase;
}

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

.content-article-zine p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 18px;
  color: var(--ink-secondary);
}

.content-article-zine ul, .content-article-zine ol {
  margin-left: 24px;
  margin-bottom: 22px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-secondary);
}

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

.zine-alert-box {
  background: var(--bg-highlight);
  border: 2px solid var(--border-tape);
  box-shadow: 4px 4px 0 var(--border-tape);
  padding: 16px 20px;
  margin: 24px 0;
  font-weight: 700;
  color: #0A0D14;
}

/* 推荐资讯列表 */
.intel-articles-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 24px;
}

.intel-article-card {
  background: var(--bg-card);
  border: 3px solid var(--border-tape);
  box-shadow: var(--shadow-block);
  padding: 30px;
  transition: var(--transition-fast);
}

.intel-article-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 var(--racing-blue);
}

.intel-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--racing-crimson);
  margin-bottom: 12px;
}

.intel-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 12px;
}

/* ---------------- 响应式媒体查询 (@media) ---------------- */
@media (max-width: 1024px) {
  .hero-headline {
    font-size: 3.4rem;
  }
  .headline-sublead {
    font-size: 2.5rem;
  }
  .features-grid, .pricing-cards-grid, .reviews-grid, .stickers-board {
    grid-template-columns: repeat(2, 1fr);
  }
  .scenarios-zine-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-wrapper {
    height: 68px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 3px solid var(--border-tape);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-block-lg);
  }

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

  .mobile-menu-btn {
    display: block;
    background: transparent;
    border: 2px solid var(--border-tape);
    padding: 6px;
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--border-tape);
  }

  .hero-poster {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .hero-headline {
    font-size: 2.6rem;
  }
  .headline-sublead {
    font-size: 1.9rem;
  }

  .features-grid, .pricing-cards-grid, .reviews-grid, .stickers-board {
    grid-template-columns: 1fr;
  }

  .streetwear-tags-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn {
    width: 100%;
    min-height: 48px; /* 适合移动端手指点击 */
  }

  .footer-nav {
    flex-direction: column;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 2.1rem;
  }
  .headline-sublead {
    font-size: 1.5rem;
  }
  .streetwear-tags-grid {
    grid-template-columns: 1fr;
  }
}