/* ==========================================================================
   良心云官网 (liangxinyun.best) - Organic / Clean-Label 纯净自然美学样式表
   设计理念：有机食品包装质感 / 留白呼吸感 / 极简配料表纯净哲学 / 0添加·0隐藏费用
   色系：暖白 #faf8f2 / 抹茶绿 #6f8f6a / 深苔绿 #3f5c3a / 亚麻灰 #e8e4d8
   ========================================================================== */

:root {
  /* 核心有机色谱 */
  --bg-primary: #faf8f2;        /* 暖白有机底色 */
  --bg-secondary: #f4f0e6;      /* 稍深暖亚麻色 */
  --bg-card: #ffffff;           /* 纯净卡片白 */
  --bg-card-subtle: rgba(255, 255, 255, 0.65);
  --bg-hover: #f9f7f0;

  --color-matcha: #6f8f6a;       /* 抹茶绿 */
  --color-matcha-light: #94af8f;
  --color-matcha-soft: rgba(111, 143, 106, 0.12);
  --color-deep-moss: #3f5c3a;    /* 深苔绿 */
  --color-deep-moss-dark: #2a3e26;
  --color-warm-bark: #8c7355;    /* 暖木皮色 */

  --color-text-title: #263823;   /* 深苔色标题 */
  --color-text-body: #475543;    /* 柔和橄榄灰正文 */
  --color-text-muted: #74836f;   /* 抹茶浅灰注记 */
  --color-text-light: #98a693;

  --border-hairline: rgba(63, 92, 58, 0.12);
  --border-subtle: rgba(63, 92, 58, 0.18);
  --border-focus: #6f8f6a;

  /* 阴影规范：极度轻柔温润 */
  --shadow-warm-sm: 0 2px 6px rgba(42, 62, 38, 0.04);
  --shadow-warm-md: 0 8px 24px rgba(42, 62, 38, 0.06);
  --shadow-warm-lg: 0 16px 40px rgba(42, 62, 38, 0.08);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  --font-serif: "Songti SC", "Noto Serif CJK SC", "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", Georgia, "Times New Roman", STSong, SimSun, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--color-text-body);
  line-height: 1.75;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  letter-spacing: 0.01em;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 页面容器：充足留白 */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
}

/* 动态自然微粒画布 */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

/* 首屏背后：8s 呼吸缩放的柔光绿晕 (Soft Green Glow Breathing Circle) */
.hero-glow-container {
  position: absolute;
  top: 36%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 680px;
  height: 680px;
  pointer-events: none;
  z-index: -1;
  overflow: visible;
}

.hero-breathing-glow {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(148, 175, 143, 0.42) 0%, rgba(111, 143, 106, 0.18) 45%, rgba(250, 248, 242, 0) 70%);
  filter: blur(55px);
  animation: glowBreathe 8s ease-in-out infinite alternate;
}

@keyframes glowBreathe {
  0% {
    transform: scale(0.88);
    opacity: 0.55;
  }
  50% {
    transform: scale(1.18);
    opacity: 0.85;
  }
  100% {
    transform: scale(0.88);
    opacity: 0.55;
  }
}

/* 顶部导航：极简清雅白药草质感 */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  padding: 0 16px;
}

.nav-pill-wrap {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px rgba(63, 92, 58, 0.05);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(63, 92, 58, 0.12);
  border: 1px solid rgba(63, 92, 58, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #253822;
}

.brand-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-deep-moss);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.brand-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-matcha);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  flex-shrink: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-body);
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-deep-moss);
  background: rgba(111, 143, 106, 0.1);
}

.nav-link.badge-hot::after {
  content: '纯净';
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-matcha);
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  margin-left: 6px;
  vertical-align: middle;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 按钮体系：有机自然质感 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  text-align: center;
  white-space: nowrap;
}

.btn-sm {
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
}

.btn-md {
  font-size: 0.96rem;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
}

.btn-lg {
  font-size: 1.05rem;
  padding: 15px 36px;
  border-radius: var(--radius-pill);
}

.btn-matcha,
.btn-gradient {
  background: var(--color-deep-moss);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(63, 92, 58, 0.22);
}

.btn-matcha:hover,
.btn-gradient:hover {
  background: var(--color-deep-moss-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(63, 92, 58, 0.3);
}

.btn-amber {
  background: var(--color-matcha);
  color: #ffffff;
}

.btn-outline-organic,
.btn-outline-glass {
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-deep-moss);
  border: 1px solid var(--border-subtle);
}

.btn-outline-organic:hover,
.btn-outline-glass:hover {
  background: #ffffff;
  border-color: var(--color-matcha);
  color: var(--color-deep-moss-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-warm-sm);
}

.ambient-glow-wrapper {
  display: none;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-deep-moss);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   首屏区：有机食品包装排版 (Organic Packaging Hero)
   核心要求：
   - Centered layout
   - Leaf badge: '🍃 0 添加 · 0 隐藏费用'
   - Light serif headline: 「成分越简单，越值得信赖」
   - Behind hero: soft green glow circle breathing slowly (8s scale animation)
   ========================================================================== */
.hero-section {
  padding: 90px 0 70px;
  text-align: center;
  position: relative;
}

.leaf-badge-centered {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  color: var(--color-deep-moss);
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(63, 92, 58, 0.05);
  margin-bottom: 28px;
}

.hero-serif-title {
  font-family: var(--font-serif);
  font-size: clamp(2.3rem, 5.2vw, 3.8rem);
  font-weight: 400; /* Light serif */
  color: var(--color-text-title);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-clean-desc {
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  color: var(--color-text-muted);
  max-width: 760px;
  margin: 0 auto 40px;
  line-height: 1.85;
  font-weight: 400;
}

.hero-clean-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* ==========================================================================
   三大无边框卡片与发丝细线分割 (Three borderless minimal feature cards with hairline dividers)
   核心要求：
   - Three borderless minimal feature cards
   - Hairline dividers
   - 🍃 icons that sway gently on hover
   ========================================================================== */
.clean-label-features-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-warm-sm);
  margin: 0 auto 70px;
  overflow: hidden;
  position: relative;
}

.minimal-feature-card {
  padding: 44px 36px;
  text-align: left;
  border-right: 1px solid var(--border-hairline); /* 发丝细线分割 */
  transition: var(--transition);
  position: relative;
  background: transparent;
}

.minimal-feature-card:last-child {
  border-right: none;
}

.minimal-feature-card:hover {
  background: rgba(255, 255, 255, 0.95);
}

.swaying-leaf-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-matcha-soft);
  font-size: 1.5rem;
  margin-bottom: 22px;
  transition: transform 0.4s ease;
  transform-origin: bottom center;
}

/* 🍃 icons that sway gently on hover */
.minimal-feature-card:hover .swaying-leaf-icon {
  animation: leafSway 1s ease-in-out infinite alternate;
}

@keyframes leafSway {
  0% { transform: rotate(-8deg) scale(1.05); }
  50% { transform: rotate(12deg) scale(1.1); }
  100% { transform: rotate(-4deg) scale(1.05); }
}

.clean-card-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 12px;
  line-height: 1.35;
}

.clean-card-text {
  font-size: 0.95rem;
  color: var(--color-text-body);
  line-height: 1.7;
}

/* ==========================================================================
   大号极细字体数字指标 (Oversized thin-weight numerals for stats)
   核心要求：
   - Oversized thin-weight numerals for stats
   ========================================================================== */
.thin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0 auto;
  padding: 40px 0;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.thin-stat-item {
  text-align: center;
  padding: 10px 16px;
}

.oversized-numeral {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 5vw, 4.4rem);
  font-weight: 200; /* Oversized thin-weight */
  color: var(--color-deep-moss);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.thin-stat-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* 通用区块间距与头部 */
.section-wrap {
  padding: 100px 0;
  position: relative;
}

.section-head-organic {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.tag-botanical {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-matcha);
  margin-bottom: 14px;
}

.title-serif-section {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 400;
  color: var(--color-text-title);
  line-height: 1.3;
  margin-bottom: 18px;
}

.desc-organic-lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ==========================================================================
   价格方案区：有机纯净成分表质感 (Clean-Label Formulation Pricing)
   所有价格严格同排 (Same-Row Pricing)
   ========================================================================== */
.pricing-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.pricing-tabs-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.pricing-tab-btn {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  color: var(--color-text-body);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 22px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition);
}

.pricing-tab-btn:hover {
  border-color: var(--color-matcha);
  color: var(--color-deep-moss);
}

.pricing-tab-btn.active {
  background: var(--color-deep-moss);
  color: #ffffff;
  border-color: var(--color-deep-moss);
  box-shadow: 0 4px 12px rgba(63, 92, 58, 0.2);
}

.billing-cycle-switch-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 44px;
}

.cycle-selector {
  display: inline-flex;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 4px;
  box-shadow: var(--shadow-warm-sm);
}

.cycle-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition);
}

.cycle-btn.active {
  background: var(--color-matcha);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(111, 143, 106, 0.3);
}

.discount-badge-bubble {
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--color-deep-moss);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: 4px;
}

/* 8 款套餐卡片：4 列等高同排 (4-Column Equal Height Row Alignment) */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.pricing-card {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--shadow-warm-sm);
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-matcha);
  box-shadow: var(--shadow-warm-md);
}

.pricing-card.featured {
  background: #ffffff;
  border: 1.5px solid var(--color-matcha);
  box-shadow: 0 10px 30px rgba(111, 143, 106, 0.15);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-deep-moss);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-badge-organic {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--color-deep-moss);
  color: #ffffff;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 3px 8px rgba(63, 92, 58, 0.2);
}

.card-badge-hot {
  background: var(--color-matcha);
}

.plan-header {
  border-bottom: 1px dashed var(--border-hairline);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.plan-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.plan-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-title);
}

.plan-tag-inline {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-matcha);
  background: var(--color-matcha-soft);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
}

/* 价格同排视觉基线 */
.plan-price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 16px 0 8px;
  min-height: 48px;
}

.currency-sym {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-deep-moss);
}

.price-num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 300; /* Thin serif numeral */
  color: var(--color-text-title);
  letter-spacing: -0.02em;
  line-height: 1;
}

.price-unit {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.plan-traffic-highlight {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-deep-moss);
  background: var(--color-matcha-soft);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-top: 12px;
  text-align: center;
}

.plan-features-list {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text-body);
  line-height: 1.45;
}

.item-icon {
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.item-icon.check {
  color: var(--color-matcha);
}

.item-icon.cross {
  color: #a3b09f;
}

.plan-cta-btn {
  width: 100%;
  padding: 13px 18px;
  font-size: 0.95rem;
}

/* 成分表样式：横向严格同排对比总表 (Nutrition-Label Comparison Table) */
.comparison-table-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-top: 36px;
  box-shadow: var(--shadow-warm-sm);
  overflow-x: auto;
}

.comparison-table-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 0.88rem;
}

.comparison-table th, 
.comparison-table td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--border-hairline);
}

.comparison-table th {
  background: var(--bg-primary);
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-text-title);
  white-space: nowrap;
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--color-text-title);
}

.table-price-highlight {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-deep-moss);
}

.table-traffic-highlight {
  font-weight: 600;
  color: var(--color-matcha);
}

/* 官方原版图保障条 */
.chart-ref-banner {
  background: #ffffff;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 26px;
  flex-wrap: wrap;
  gap: 16px;
}

.chart-ref-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--color-text-body);
}

/* ==========================================================================
   全球节点 (亚太核心枢纽与低延迟)
   ========================================================================== */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.node-item-card {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  box-shadow: var(--shadow-warm-sm);
}

.node-item-card:hover {
  border-color: var(--color-matcha);
  transform: translateY(-3px);
  box-shadow: var(--shadow-warm-md);
}

.node-info-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.node-flag-emoji {
  font-size: 1.8rem;
  line-height: 1;
}

.node-name-cn {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--color-text-title);
}

.node-name-en {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.node-ping-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-matcha-soft);
  color: var(--color-deep-moss);
  border: 1px solid rgba(111, 143, 106, 0.25);
}

/* ==========================================================================
   权威外链工具区
   ========================================================================== */
.external-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.ext-tool-card {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: var(--shadow-warm-sm);
}

.ext-tool-card:hover {
  border-color: var(--color-matcha);
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm-md);
}

.tool-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.tool-icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-matcha-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.tool-external-arrow {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.ext-tool-card:hover .tool-external-arrow {
  color: var(--color-deep-moss);
  transform: translate(3px, -3px);
}

.tool-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-title);
}

.tool-desc {
  font-size: 0.88rem;
  color: var(--color-text-body);
  line-height: 1.6;
  margin-bottom: 18px;
}

.tool-badge-pill {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-deep-moss);
  background: var(--color-matcha-soft);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

/* ==========================================================================
   文章专栏区
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: var(--shadow-warm-sm);
}

.article-card:hover {
  border-color: var(--color-matcha);
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm-md);
}

.article-tag-bubble {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-deep-moss);
  background: var(--color-matcha-soft);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 14px;
}

.article-card-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text-title);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-excerpt {
  font-size: 0.86rem;
  color: var(--color-text-body);
  line-height: 1.65;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--border-hairline);
  padding-top: 12px;
}

/* ==========================================================================
   真实用户评价区 (真实出海口碑)
   ========================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  box-shadow: var(--shadow-warm-sm);
}

.review-card:hover {
  border-color: var(--color-matcha);
  transform: translateY(-4px);
  box-shadow: var(--shadow-warm-md);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.reviewer-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-matcha-soft);
  border: 1px solid rgba(111, 143, 106, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-deep-moss);
}

.reviewer-info {
  display: flex;
  flex-direction: column;
}

.reviewer-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-title);
}

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

.stars-row {
  color: #c9933b;
  font-size: 0.9rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-content {
  font-size: 0.94rem;
  color: var(--color-text-body);
  line-height: 1.7;
}

.review-verify-tag {
  margin-top: 18px;
  font-size: 0.76rem;
  color: var(--color-deep-moss);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

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

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-warm-sm);
}

.faq-item.active {
  border-color: var(--color-matcha);
}

.faq-question-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 26px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-title);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--color-matcha);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 26px;
}

.faq-item.active .faq-answer-panel {
  max-height: 380px;
  padding: 0 26px 24px;
}

.faq-answer-panel p {
  font-size: 0.95rem;
  color: var(--color-text-body);
  line-height: 1.75;
}

/* 底部纯净行动横幅 */
.bottom-cta-banner {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  box-shadow: var(--shadow-warm-md);
  margin-top: 60px;
  position: relative;
}

.cta-banner-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 400;
  color: var(--color-text-title);
  margin-bottom: 16px;
}

.cta-banner-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 660px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--border-hairline);
  background: #f4f0e6;
  padding: 70px 0 35px;
  margin-top: 90px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 44px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--color-text-body);
  line-height: 1.75;
  margin-top: 16px;
  max-width: 380px;
}

.footer-heading {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin-bottom: 18px;
}

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

.footer-link {
  font-size: 0.88rem;
  color: var(--color-text-body);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--color-deep-moss);
  transform: translateX(3px);
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-hairline);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* 移动端固定浮动快捷条 */
.mobile-sticky-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(250, 248, 242, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-hairline);
  padding: 10px 16px;
  box-shadow: 0 -4px 20px rgba(42, 62, 38, 0.08);
}

.mobile-bar-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-bar-btn {
  flex: 1;
  padding: 11px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   文章详情页 / 子页面通用样式
   ========================================================================== */
.article-page-wrap {
  padding: 40px 0 80px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: var(--color-text-muted);
}

.breadcrumb-nav a:hover {
  color: var(--color-deep-moss);
}

.article-header-hero {
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 30px;
  margin-bottom: 40px;
}

.article-main-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-text-title);
  margin-bottom: 20px;
}

.article-meta-tags {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.article-content-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-body);
  max-width: 900px;
}

.article-content-body h2 {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin: 44px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-hairline);
}

.article-content-body h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text-title);
  margin: 32px 0 14px;
}

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

.article-content-body ul, 
.article-content-body ol {
  margin: 0 0 24px 24px;
}

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

.article-content-body blockquote {
  background: rgba(111, 143, 106, 0.08);
  border-left: 4px solid var(--color-matcha);
  padding: 18px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 28px 0;
  font-style: italic;
  color: var(--color-deep-moss);
}

.article-callout-box {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 26px;
  margin: 32px 0;
  box-shadow: var(--shadow-warm-sm);
}

.article-callout-box h4 {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  color: var(--color-deep-moss);
  margin-bottom: 10px;
}

.article-nav-prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--border-hairline);
}

.nav-article-card {
  background: #ffffff;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: var(--transition);
  text-decoration: none;
  box-shadow: var(--shadow-warm-sm);
}

.nav-article-card:hover {
  border-color: var(--color-matcha);
  transform: translateY(-2px);
}

.nav-label {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.nav-title {
  font-family: var(--font-serif);
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--color-text-title);
  line-height: 1.4;
}

/* ==========================================================================
   响应式断点适配
   ========================================================================== */
@media (max-width: 1200px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .articles-grid,
  .external-tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 992px) {
  .clean-label-features-row {
    grid-template-columns: 1fr;
  }

  .minimal-feature-card {
    border-right: none;
    border-bottom: 1px solid var(--border-hairline);
  }

  .minimal-feature-card:last-child {
    border-bottom: none;
  }

  .thin-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 30px;
  }

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

@media (max-width: 768px) {
  .site-header {
    top: 8px;
    padding: 0 10px;
  }

  .nav-pill-wrap {
    padding: 8px 16px;
  }

  .nav-menu {
    position: fixed;
    top: 75px;
    left: 10px;
    right: 10px;
    background: #faf8f2;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: none;
    flex-direction: column;
    box-shadow: 0 15px 35px rgba(42, 62, 38, 0.12);
  }

  .nav-menu.is-active {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 10px;
    font-size: 1.05rem;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-actions .btn-sm {
    display: none;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .reviews-grid,
  .nodes-grid,
  .articles-grid,
  .external-tools-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
  }

  .thin-stats-grid {
    grid-template-columns: 1fr;
    row-gap: 24px;
  }

  .hero-glow-container {
    width: 320px;
    height: 320px;
  }

  .mobile-sticky-bottom-bar {
    display: block;
  }

  body {
    padding-bottom: 70px;
  }

  .article-nav-prev-next {
    grid-template-columns: 1fr;
  }
}