/* ===================================================================
   糖果云 (Candy Cloud) - Swiss Typographic Editorial Web UI
   Concept: Candy-wrapper packaging folds meets high-fashion Swiss editorial design
   Colors: Bubblegum Pink (#FF6B8B), Crisp Cream (#FFFDF8), Ink Black (#111111)
   Accents: Acid Lemon (#E8F84A), Electric Tangerine (#FF5722), Mint (#25E598)
   Zero generic 3D/glassmorphism clutter · Pure vector graphic physics
=================================================================== */

:root {
  /* 瑞士糖果包装调色板 (默认白天模式) */
  --bg-cream: #FFFDF8;
  --bg-paper: #FFFFFF;
  --ink-black: #111111;
  --ink-soft: #2D2D2D;
  --ink-muted: #666666;
  --border-ink: #111111;

  /* 核心包装高亮色彩 */
  --candy-pink: #FF6B8B;
  --candy-pink-deep: #E84D72;
  --acid-lemon: #E8F84A;
  --tangerine: #FF5722;
  --mint-candy: #25E598;
  --cobalt-ink: #1642E2;

  /* 瑞士版式阴影 (坚硬硬边投影，拒绝模糊杂乱) */
  --shadow-hard-sm: 2px 2px 0px var(--border-ink);
  --shadow-hard: 4px 4px 0px var(--border-ink);
  --shadow-hard-lg: 7px 7px 0px var(--border-ink);
  --shadow-pink: 5px 5px 0px var(--candy-pink);
  --shadow-lemon: 5px 5px 0px var(--acid-lemon);

  /* 尺寸与字体 */
  --font-display: "Impact", "Arial Black", -apple-system, BlinkMacSystemFont, "PingFang SC", "SimHei", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Consolas", "Courier New", monospace;
  
  --container-max: 1280px;
  --transition-snappy: 0.2s cubic-bezier(0.2, 0, 0, 1);
}

/* 暗黑模式配置 (html.dark) */
html.dark {
  --bg-cream: #121212;
  --bg-paper: #1B1B1B;
  --ink-black: #F5F3ED;
  --ink-soft: #CCCCCC;
  --ink-muted: #888888;
  --border-ink: #F5F3ED;

  --candy-pink: #FF6B8B;
  --candy-pink-deep: #FF85A1;
  --acid-lemon: #E8F84A;
  --tangerine: #FF7043;
  --mint-candy: #2CECA0;

  --shadow-hard-sm: 2px 2px 0px var(--candy-pink);
  --shadow-hard: 4px 4px 0px var(--candy-pink);
  --shadow-hard-lg: 7px 7px 0px var(--candy-pink);
  --shadow-pink: 5px 5px 0px var(--acid-lemon);
}

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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background-color: var(--bg-cream);
  color: var(--ink-black);
  scroll-behavior: smooth;
  transition: background-color 0.25s ease, color 0.25s ease;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-cream);
  overflow-x: hidden;
  position: relative;
}

/* 锚点平滑跳转位移预留 */
section {
  scroll-margin-top: 88px;
}

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

ul, ol {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ================= 糖果包装双向滚动斜条纹带 (Candy-Stripe Ribbon) ================= */
.candy-stripe-ribbon {
  width: 100%;
  height: 28px;
  background: repeating-linear-gradient(
    45deg,
    var(--candy-pink),
    var(--candy-pink) 16px,
    var(--ink-black) 16px,
    var(--ink-black) 32px
  );
  overflow: hidden;
  position: relative;
  z-index: 101;
  border-bottom: 2px solid var(--border-ink);
}

.candy-stripe-ribbon.bottom {
  border-bottom: none;
  border-top: 2px solid var(--border-ink);
  background: repeating-linear-gradient(
    -45deg,
    var(--acid-lemon),
    var(--acid-lemon) 16px,
    var(--ink-black) 16px,
    var(--ink-black) 32px
  );
}

.stripe-track {
  display: flex;
  width: 200%;
  height: 100%;
  animation: stripeSlideLeft 20s linear infinite;
}

.candy-stripe-ribbon.bottom .stripe-track {
  animation: stripeSlideRight 20s linear infinite;
}

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

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

/* ================= 顶部导航栏 (Swiss Editorial Header) ================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-cream);
  border-bottom: 2px solid var(--border-ink);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.logo-stamp {
  background: var(--candy-pink);
  color: #FFFFFF;
  padding: 4px 10px;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  font-weight: 900;
  transform: rotate(-2deg);
  display: inline-block;
  line-height: 1;
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--ink-black);
  color: var(--bg-cream);
  padding: 2px 6px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-left: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding: 6px 10px;
  border: 2px solid transparent;
  position: relative;
  transition: all var(--transition-snappy);
}

.nav-link:hover {
  background: var(--candy-pink);
  color: #FFFFFF;
  border-color: var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  transform: translateY(-2px);
}

/* 特别突出新增的“推荐资讯”导航 */
.nav-link.highlight-news {
  background: var(--acid-lemon);
  color: #111111 !important;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
}

.nav-link.highlight-news:hover {
  background: var(--candy-pink);
  color: #FFFFFF !important;
  box-shadow: var(--shadow-hard);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 昼夜模式切换按钮：高质感透明极简瑞士风格，纯矢量，无Emoji */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 2px solid var(--border-ink);
  background: transparent;
  box-shadow: var(--shadow-hard-sm);
  color: var(--ink-black);
  position: relative;
  transition: all var(--transition-snappy);
  overflow: hidden;
}

.theme-toggle-btn:hover {
  background: var(--acid-lemon);
  color: #111111;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

.theme-icon-sun,
.theme-icon-moon {
  position: absolute;
  width: 22px;
  height: 22px;
  transition: transform 0.35s cubic-bezier(0.2, 0, 0, 1), opacity 0.25s ease;
}

.theme-icon-sun {
  opacity: 0;
  transform: rotate(90deg) scale(0.6);
}

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

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

html.dark .theme-icon-moon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.6);
}

/* 移动端汉堡菜单按钮 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border: 2px solid var(--border-ink);
  background: var(--bg-paper);
  box-shadow: var(--shadow-hard-sm);
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--ink-black);
  transition: 0.25s ease;
}

/* ================= 瑞士印刷呼吁按钮 (CTA Buttons) ================= */
.btn-candy-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--candy-pink);
  color: #FFFFFF !important;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
  transition: all var(--transition-snappy);
  white-space: nowrap;
}

.btn-candy-cta:hover {
  background: var(--candy-pink-deep);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
}

.btn-candy-cta:active {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-hard-sm);
}

.btn-candy-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--bg-paper);
  color: var(--ink-black) !important;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
  transition: all var(--transition-snappy);
  white-space: nowrap;
}

.btn-candy-secondary:hover {
  background: var(--acid-lemon);
  color: #111111 !important;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
}

.btn-candy-secondary:active {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-hard-sm);
}

/* ================= 动力学跑马灯 (Kinetic Speed-Responsive Marquee) ================= */
.kinetic-marquee-wrap {
  background: var(--ink-black);
  color: var(--bg-cream);
  border-top: 2px solid var(--border-ink);
  border-bottom: 2px solid var(--border-ink);
  overflow: hidden;
  user-select: none;
  padding: 10px 0;
  display: flex;
}

.kinetic-marquee-inner {
  display: flex;
  white-space: nowrap;
  gap: 30px;
  will-change: transform;
}

.kinetic-item {
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.kinetic-item .dot {
  width: 10px;
  height: 10px;
  background: var(--candy-pink);
  display: inline-block;
  transform: rotate(45deg);
}

/* ================= 主视觉区 (Hero Section: Swiss Diagonal Wrapper Folds) ================= */
.hero-wrapper-section {
  position: relative;
  padding: 60px 0 50px;
  background: 
    linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-cream) 60%, rgba(255, 107, 139, 0.12) 60%, rgba(255, 107, 139, 0.18) 100%);
  border-bottom: 2px solid var(--border-ink);
}

.hero-editorial-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}

.hero-editorial-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink-black);
  color: var(--bg-cream);
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  margin-bottom: 20px;
}

.hero-editorial-badge .code-tag {
  color: var(--acid-lemon);
}

/* 大标题必须包含当前品牌名 */
.hero-editorial-title {
  font-family: var(--font-display);
  font-size: 4.2rem;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.brand-candy-highlight {
  background: var(--candy-pink);
  color: #FFFFFF;
  padding: 0 14px;
  display: inline-block;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
  transform: rotate(-1.5deg);
}

.hero-editorial-intro {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 620px;
  margin-bottom: 32px;
  font-weight: 500;
  border-left: 4px solid var(--candy-pink);
  padding-left: 18px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

/* ================= “沿虚线撕开”互动特惠纸条 (Tear-Here Perforated Tab) ================= */
.tear-pack-interactive {
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 22px;
  position: relative;
  overflow: hidden;
  margin-top: 10px;
}

.tear-pack-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--ink-muted);
}

.tear-perforation-line {
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 2px dashed var(--border-ink);
  padding-top: 14px;
  margin: 14px 0;
  position: relative;
}

.tear-scissor-icon {
  width: 22px;
  height: 22px;
  color: var(--candy-pink);
  flex-shrink: 0;
}

.tear-instructions {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-black);
}

/* 交互撕拉滑块 */
.tear-slider-rail {
  width: 100%;
  height: 48px;
  background: var(--bg-cream);
  border: 2px solid var(--border-ink);
  position: relative;
  display: flex;
  align-items: center;
  padding: 4px;
  margin-bottom: 12px;
  user-select: none;
}

.tear-slider-handle {
  width: 130px;
  height: 36px;
  background: var(--candy-pink);
  color: #FFFFFF;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
  cursor: grab;
  position: absolute;
  left: 4px;
  top: 4px;
  transition: transform 0.1s ease;
}

.tear-slider-handle:active {
  cursor: grabbing;
  background: var(--candy-pink-deep);
}

.tear-rail-hint {
  width: 100%;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-muted);
  pointer-events: none;
}

/* 撕开后揭示的隐藏优惠券代码卡片 */
.tear-coupon-reveal {
  display: none;
  background: var(--acid-lemon);
  border: 2px solid var(--border-ink);
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow-hard);
  animation: revealBounce 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes revealBounce {
  0% { transform: scale(0.9) rotate(-2deg); opacity: 0; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}

.tear-coupon-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #111111;
  text-transform: uppercase;
}

.tear-code-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink-black);
  color: var(--acid-lemon);
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 900;
  margin: 10px 0;
  border: 2px solid var(--border-ink);
  letter-spacing: 0.05em;
}

.btn-copy-code {
  background: #FFFFFF;
  color: #111111;
  border: 2px solid var(--border-ink);
  padding: 6px 14px;
  font-weight: 800;
  font-size: 0.85rem;
  box-shadow: var(--shadow-hard-sm);
  transition: all var(--transition-snappy);
}

.btn-copy-code:hover {
  background: var(--candy-pink);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ================= 模切贴纸拟物组件 (Die-Cut Sticker Modules) ================= */
.hero-stickers-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  perspective: 1000px;
}

.diecut-sticker {
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 24px;
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  user-select: none;
}

/* 贴纸翻折角效果 */
.diecut-sticker::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 32px 32px 0;
  border-color: transparent var(--border-ink) transparent transparent;
  transition: all 0.25s ease;
}

.diecut-sticker:hover {
  transform: perspective(700px) rotateX(4deg) rotateY(-5deg) translateY(-8px);
  box-shadow: 10px 10px 0px var(--candy-pink);
}

.diecut-sticker:hover::after {
  border-width: 0 42px 42px 0;
  border-color: transparent var(--acid-lemon) transparent transparent;
}

.sticker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
}

.sticker-tag {
  background: var(--acid-lemon);
  color: #111111;
  padding: 2px 8px;
  border: 1px solid var(--border-ink);
}

.sticker-speed-stat {
  font-family: var(--font-display);
  font-size: 2.8rem;
  line-height: 1;
  color: var(--candy-pink);
  margin-bottom: 8px;
}

.sticker-subtext {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: 16px;
}

/* 鼠标悬停撕开后揭示的底层真实参数 (Underneath debug specs) */
.sticker-raw-params {
  background: var(--ink-black);
  color: var(--mint-candy);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
  border: 1px solid var(--border-ink);
}

/* ================= 弹性印章区域徽章 (Elastic Stamp Region Badges) ================= */
.stamp-badges-wrap {
  margin-top: 24px;
}

.stamp-badges-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--ink-black);
}

.stamp-badges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.region-stamp-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
  transition: all var(--transition-snappy);
}

.region-stamp-badge:hover {
  background: var(--acid-lemon);
  color: #111111;
  transform: translateY(-2px);
}

/* 点击时的瞬时弹性印章物理动效 */
.region-stamp-badge.elastic-stamped {
  animation: elasticStamp 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  background: var(--candy-pink) !important;
  color: #FFFFFF !important;
  border-color: var(--border-ink) !important;
}

@keyframes elasticStamp {
  0% { transform: scale(1); }
  25% { transform: scale(0.8, 1.25) rotate(-3deg); }
  50% { transform: scale(1.15, 0.85) rotate(2deg); }
  75% { transform: scale(0.95, 1.05); }
  100% { transform: scale(1) rotate(0); }
}

/* ================= 通用板块标题 (Swiss Editorial Section Headers) ================= */
.editorial-section {
  padding: 80px 0;
  border-bottom: 2px solid var(--border-ink);
  position: relative;
}

.editorial-header-block {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 3px solid var(--border-ink);
  padding-bottom: 20px;
  margin-bottom: 48px;
}

.section-index-num {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.8;
  color: var(--candy-pink);
  margin-right: 18px;
}

.section-title-wrap h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.section-title-wrap p {
  font-size: 1rem;
  color: var(--ink-soft);
  margin-top: 6px;
  font-weight: 500;
}

.section-meta-stamp {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--acid-lemon);
  color: #111111;
  padding: 6px 12px;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  white-space: nowrap;
}

/* ================= 核心优势：3个图文卡片 (Swiss Editorial Cards) ================= */
.features-editorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-editorial-card {
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-snappy);
}

.feature-editorial-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0px var(--candy-pink);
}

.feature-num-badge {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--border-ink);
  line-height: 1;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.feature-vector-icon {
  width: 44px;
  height: 44px;
  background: var(--acid-lemon);
  border: 2px solid var(--border-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111111;
  box-shadow: var(--shadow-hard-sm);
}

.feature-editorial-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.feature-editorial-card p {
  font-size: 0.96rem;
  color: var(--ink-soft);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 20px;
}

.feature-checklist {
  border-top: 2px dashed var(--border-ink);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.feature-check-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-black);
}

.feature-check-line span.check {
  color: var(--candy-pink);
  font-weight: 900;
}

/* ================= 流媒体 & AI 图卡展示区 (Editorial Showcase) ================= */
.scenarios-editorial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.scenario-editorial-box {
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-snappy);
}

.scenario-editorial-box:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0px var(--acid-lemon);
}

.scenario-top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.scenario-category-stamp {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 4px 10px;
  border: 2px solid var(--border-ink);
  text-transform: uppercase;
}

.scenario-category-stamp.stream {
  background: var(--candy-pink);
  color: #FFFFFF;
}

.scenario-category-stamp.ai {
  background: var(--mint-candy);
  color: #111111;
}

.scenario-editorial-box h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.scenario-editorial-box p {
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

/* 服务网格纯矢量图形徽章展示 */
.app-editorial-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.app-editorial-cell {
  border: 2px solid var(--border-ink);
  background: var(--bg-cream);
  padding: 12px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  transition: all var(--transition-snappy);
}

.app-editorial-cell:hover {
  background: var(--acid-lemon);
  color: #111111;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard-sm);
}

.app-editorial-cell svg {
  width: 24px;
  height: 24px;
}

.app-editorial-cell span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.scenario-footer-specs {
  border-top: 2px solid var(--border-ink);
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.spec-editorial-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  background: var(--bg-cream);
  border: 1px solid var(--border-ink);
  padding: 4px 10px;
}

/* ================= 真实市场套餐价格对比表 (Realistic Pricing Grid) ================= */
.pricing-editorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-editorial-card {
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-snappy);
}

.pricing-editorial-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0px var(--border-ink);
}

.pricing-editorial-card.popular-tier {
  border: 3px solid var(--border-ink);
  background: var(--bg-paper);
  box-shadow: 8px 8px 0px var(--candy-pink);
}

.popular-editorial-ribbon {
  position: absolute;
  top: -14px;
  left: 24px;
  background: var(--acid-lemon);
  color: #111111;
  border: 2px solid var(--border-ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 900;
  padding: 4px 12px;
  text-transform: uppercase;
  box-shadow: var(--shadow-hard-sm);
  letter-spacing: 0.05em;
}

.pricing-tier-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.pricing-tier-desc {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: 20px;
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  gap: 6px;
  border-bottom: 2px solid var(--border-ink);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.price-currency-sign {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--candy-pink);
}

.price-big-number {
  font-family: var(--font-display);
  font-size: 3.6rem;
  line-height: 1;
}

.price-cycle-unit {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink-muted);
  font-weight: 700;
}

.pricing-specs-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.92rem;
  margin-bottom: 32px;
  flex-grow: 1;
}

.pricing-spec-line {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-spec-line svg {
  width: 18px;
  height: 18px;
  color: var(--candy-pink);
  flex-shrink: 0;
}

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

.testimonial-editorial-box {
  background: var(--bg-paper);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-snappy);
}

.testimonial-editorial-box:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard-lg);
}

.quote-mark {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
  color: var(--candy-pink);
  margin-bottom: -10px;
}

.testimonial-body {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.user-author-block {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 2px dashed var(--border-ink);
  padding-top: 16px;
}

.user-monogram {
  width: 44px;
  height: 44px;
  background: var(--acid-lemon);
  color: #111111;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.user-meta-name {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 800;
}

.user-meta-title {
  font-size: 0.8rem;
  color: var(--ink-muted);
}

/* ================= 常见问题 (FAQ Accordion) ================= */
.faq-editorial-wrap {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-editorial-item {
  border: 2px solid var(--border-ink);
  background: var(--bg-paper);
  box-shadow: var(--shadow-hard);
  transition: all var(--transition-snappy);
}

.faq-editorial-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-lg);
}

.faq-editorial-trigger {
  width: 100%;
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink-black);
  cursor: pointer;
  border: none;
  background: transparent;
}

.faq-editorial-trigger svg {
  width: 22px;
  height: 22px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-editorial-item.active .faq-editorial-trigger svg {
  transform: rotate(180deg);
  color: var(--candy-pink);
}

.faq-editorial-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 26px;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.faq-editorial-item.active .faq-editorial-content {
  max-height: 500px;
  padding-bottom: 24px;
}

/* ================= 页脚 (Footer) ================= */
/* 严格要求：页脚只保留这四个标题（网站地图，关于我们，服务条款，隐私政策），内容打开新的页面展示 */
.site-footer {
  background: var(--ink-black);
  color: var(--bg-cream);
  border-top: 3px solid var(--border-ink);
  padding: 50px 0 36px;
  margin-top: auto;
}

.footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 48px;
  margin-bottom: 28px;
}

.footer-link {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--bg-cream);
  letter-spacing: 0.02em;
  padding: 6px 14px;
  border: 2px solid transparent;
  transition: all var(--transition-snappy);
}

.footer-link:hover {
  background: var(--candy-pink);
  color: #FFFFFF;
  border-color: var(--bg-cream);
  box-shadow: 4px 4px 0px var(--acid-lemon);
  transform: translateY(-2px);
}

.footer-copyright {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-muted);
  border-top: 1px dashed rgba(255, 255, 255, 0.2);
  padding-top: 24px;
}

/* ================= 独立子页面通用样式 ================= */
.subpage-wrapper {
  max-width: 900px;
  margin: 50px auto 90px;
  background: var(--bg-paper);
  border: 3px solid var(--border-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 48px;
}

.subpage-heading-block {
  border-bottom: 3px solid var(--border-ink);
  padding-bottom: 24px;
  margin-bottom: 36px;
}

.subpage-heading-block h1 {
  font-family: var(--font-display);
  font-size: 2.8rem;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.subpage-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-weight: 700;
}

.subpage-content {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.subpage-content h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--ink-black);
  margin: 36px 0 16px;
  letter-spacing: -0.02em;
}

.subpage-content p {
  margin-bottom: 18px;
}

.subpage-content ul {
  list-style: disc;
  padding-left: 28px;
  margin-bottom: 24px;
}

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

.editorial-callout {
  background: var(--acid-lemon);
  color: #111111;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
  padding: 20px 24px;
  margin: 24px 0;
}

.editorial-callout.warning {
  background: var(--candy-pink);
  color: #FFFFFF;
}

/* ================= 资讯页面文章卡片专属样式 (Insights Cards) ================= */
.news-article-card {
  border: 2px solid var(--border-ink);
  background: var(--bg-paper);
  box-shadow: var(--shadow-hard);
  padding: 28px;
  margin-bottom: 28px;
  transition: all var(--transition-snappy);
}

.news-article-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard-lg);
  border-color: var(--candy-pink);
}

.news-article-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.news-article-tag {
  background: var(--acid-lemon);
  color: #111111;
  padding: 2px 8px;
  border: 1px solid var(--border-ink);
}

.news-article-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 12px;
  line-height: 1.25;
}

.news-article-excerpt {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 18px;
}

/* ================= 响应式媒体查询 (@media) ================= */
@media (max-width: 1024px) {
  .hero-editorial-grid {
    grid-template-columns: 1fr;
  }
  .features-editorial-grid,
  .pricing-editorial-grid,
  .testimonials-editorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-editorial-card.popular-tier {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .nav-wrap {
    height: 66px;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-paper);
    border-bottom: 3px solid var(--border-ink);
    padding: 24px;
    gap: 14px;
    box-shadow: var(--shadow-hard-lg);
    z-index: 99;
  }
  .nav-links.open {
    display: flex;
  }
  .hero-editorial-title {
    font-size: 2.8rem;
  }
  .features-editorial-grid,
  .scenarios-editorial-grid,
  .pricing-editorial-grid,
  .testimonials-editorial-grid {
    grid-template-columns: 1fr;
  }
  .pricing-editorial-card.popular-tier {
    grid-column: span 1;
  }
  .app-editorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .editorial-header-block {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .footer-nav {
    gap: 20px;
  }
  .subpage-wrapper {
    padding: 24px 18px;
    margin: 24px 14px 60px;
  }
  .btn-candy-cta, .btn-candy-secondary {
    width: 100%;
    min-height: 48px;
  }
}

/* ================= 深度科普 SEO 文章专属排版系统 (Long-form SEO Editorial) ================= */
.article-wrapper {
  max-width: 960px;
  margin: 40px auto 90px;
  background: var(--bg-paper);
  border: 3px solid var(--border-ink);
  box-shadow: var(--shadow-hard-lg);
  padding: 52px;
  position: relative;
}

.article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-muted);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.15);
}

html.dark .article-breadcrumb {
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.article-breadcrumb a:hover {
  color: var(--candy-pink);
  text-decoration: underline;
}

.article-header {
  margin-bottom: 36px;
  border-bottom: 3px solid var(--border-ink);
  padding-bottom: 28px;
}

.article-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.article-tag-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border: 1px solid var(--border-ink);
  background: var(--acid-lemon);
  color: #111111;
  text-transform: uppercase;
}

.article-main-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.article-info-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-weight: 700;
}

/* 目录结构 (Table of Contents) */
.toc-box {
  background: var(--bg-cream);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
  padding: 24px 28px;
  margin: 32px 0 40px;
  position: relative;
}

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-ink);
}

.toc-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.96rem;
  padding-left: 0;
  list-style: none;
}

.toc-item a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 700;
  color: var(--ink-black);
  transition: all 0.2s ease;
}

.toc-item a:hover {
  color: var(--candy-pink);
  transform: translateX(4px);
}

.toc-num {
  font-family: var(--font-mono);
  color: var(--candy-pink);
  font-weight: 900;
}

/* 正文深度排版 */
.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.95rem;
  letter-spacing: -0.02em;
  margin: 44px 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-ink);
  color: var(--ink-black);
  scroll-margin-top: 90px;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin: 30px 0 14px;
  color: var(--ink-black);
  scroll-margin-top: 90px;
}

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

.article-body strong {
  color: var(--ink-black);
  font-weight: 800;
}

.article-body ul, .article-body ol {
  padding-left: 28px;
  margin-bottom: 24px;
}

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

/* 内链高亮强调 */
.seo-internal-link {
  color: var(--candy-pink);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: all 0.2s ease;
}

.seo-internal-link:hover {
  background: var(--candy-pink);
  color: #FFFFFF !important;
  text-decoration: none;
  padding: 2px 6px;
  border-radius: 2px;
}

/* 文章内部对比表格 */
.article-table-wrap {
  overflow-x: auto;
  margin: 28px 0;
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
  background: var(--bg-paper);
}

.article-table th {
  background: var(--acid-lemon);
  color: #111111;
  font-family: var(--font-mono);
  font-weight: 900;
  padding: 12px 16px;
  border-bottom: 2px solid var(--border-ink);
  border-right: 1px solid var(--border-ink);
}

.article-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-ink);
  border-right: 1px solid var(--border-ink);
  color: var(--ink-soft);
}

.article-table tr:last-child td {
  border-bottom: none;
}

.article-table td:last-child,
.article-table th:last-child {
  border-right: none;
}

.article-table tr:nth-child(even) td {
  background: var(--bg-cream);
}

/* 代码与配置展示块 */
.code-editorial-block {
  background: var(--ink-black);
  color: var(--mint-candy);
  border: 2px solid var(--border-ink);
  padding: 18px 22px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 24px 0;
  overflow-x: auto;
  box-shadow: var(--shadow-hard-sm);
}

/* 文章内部突出转化横幅 (In-Article CTA) */
.article-inline-cta {
  background: linear-gradient(135deg, var(--bg-cream) 0%, rgba(255, 107, 139, 0.15) 100%);
  border: 2px solid var(--border-ink);
  box-shadow: var(--shadow-hard);
  padding: 28px;
  margin: 40px 0;
  text-align: center;
}

.article-inline-cta h4 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.article-inline-cta p {
  color: var(--ink-soft);
  max-width: 600px;
  margin: 0 auto 20px;
}

/* 常见问题 (FAQ 结构) */
.article-faq-section {
  margin: 50px 0 40px;
  border-top: 3px solid var(--border-ink);
  padding-top: 32px;
}

.article-faq-item {
  border: 2px solid var(--border-ink);
  background: var(--bg-cream);
  padding: 20px 24px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-hard-sm);
}

.article-faq-q {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink-black);
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.article-faq-q span.q-tag {
  background: var(--candy-pink);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 900;
  padding: 2px 8px;
  border: 1px solid var(--border-ink);
}

.article-faq-a {
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* 相关阅读结构 (Related Reading) */
.article-related-section {
  margin: 48px 0 20px;
  border-top: 3px solid var(--border-ink);
  padding-top: 32px;
}

.related-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.related-article-card {
  border: 2px solid var(--border-ink);
  background: var(--bg-paper);
  box-shadow: var(--shadow-hard-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.related-article-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
  border-color: var(--candy-pink);
}

.related-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 8px;
  line-height: 1.35;
}

.related-card-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
}

@media (max-width: 768px) {
  .article-wrapper {
    padding: 26px 18px;
    margin: 20px 14px 60px;
  }
  .article-main-title {
    font-size: 2rem;
  }
  .related-articles-grid {
    grid-template-columns: 1fr;
  }
  .article-table {
    font-size: 0.82rem;
  }
}