/* ===================================================================
   随便云 SuiBian Cloud (suibiancloud.homes)
   Claymorphism Design System (可爱的粘土拟态风格 · Adorable & Squishy)
   Background: Cream #FDF3E7 | Floating Pastel Blobs | 26-28px Clay Radius
   =================================================================== */

:root {
  /* 基础奶油色调体系 */
  --bg-cream: #FDF3E7;
  --bg-cream-soft: #FFF9F2;
  --bg-card-clay: #FFFFFF;
  --bg-card-alt: #FFFBF6;
  
  /* 文本主色调 (温暖咖啡/可可暖棕，告别生硬死黑) */
  --text-title: #382923;
  --text-body: #614F45;
  --text-muted: #8E7D73;
  --text-light: #B4A49A;

  /* 三大柔和粘土马卡龙渐变色 (Pink / Blue / Yellow / Mint) */
  --clay-pink-start: #FFA8B6;
  --clay-pink-end: #FF6584;
  --clay-pink-glow: rgba(255, 101, 132, 0.35);

  --clay-blue-start: #78D9FF;
  --clay-blue-end: #3B9AE8;
  --clay-blue-glow: rgba(59, 154, 232, 0.35);

  --clay-yellow-start: #FFE484;
  --clay-yellow-end: #FBA930;
  --clay-yellow-glow: rgba(251, 169, 48, 0.35);

  --clay-mint-start: #95E8D7;
  --clay-mint-end: #48CBB5;
  --clay-mint-glow: rgba(72, 203, 181, 0.35);

  --clay-purple-start: #D8B4FE;
  --clay-purple-end: #A855F7;

  /* 粘土拟态核心阴影规范 (26-28px radius + dual inset shadows + soft drop shadow) */
  --clay-radius: 28px;
  --clay-radius-sm: 18px;
  --clay-radius-pill: 9999px;

  /* 粘土卡片双层内阴影 (左上亮白 + 右下暖棕暗影) 与柔和外投影 */
  --clay-shadow-card: 
    0 18px 36px -8px rgba(180, 142, 116, 0.18),
    0 8px 16px -4px rgba(180, 142, 116, 0.1),
    inset 4px 4px 8px rgba(255, 255, 255, 0.95),
    inset -4px -4px 10px rgba(184, 148, 122, 0.18);

  --clay-shadow-card-hover: 
    0 24px 48px -10px rgba(180, 142, 116, 0.25),
    0 12px 20px -6px rgba(180, 142, 116, 0.12),
    inset 5px 5px 10px rgba(255, 255, 255, 1),
    inset -5px -5px 12px rgba(184, 148, 122, 0.22);

  --clay-border: 2px solid rgba(255, 255, 255, 0.85);

  /* 粘土按钮按压状态阴影 */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --transition-squish: all 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-normal: all 0.22s ease-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: light;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-cream);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* ===================================================================
   三大漂浮马卡龙弥散光斑 (Three Floating Blurred Pastel Blobs)
   Peach / Mint Blue / Butter Yellow
   =================================================================== */
.blob-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.pastel-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(85px);
  opacity: 0.75;
  mix-blend-mode: multiply;
  transition: transform 0.5s ease-out;
}

/* 1. 蜜桃粉 blob (Peach) */
.blob-peach {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #FFAEA5 0%, #FF8FA3 70%, transparent 100%);
  top: -100px;
  left: -80px;
  animation: floatPeach 20s infinite alternate ease-in-out;
}

/* 2. 薄荷天蓝 blob (Mint Blue) */
.blob-mint {
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, #A6EBF2 0%, #7FD8BE 70%, transparent 100%);
  top: 35%;
  right: -120px;
  animation: floatMint 24s infinite alternate ease-in-out;
}

/* 3. 暖黄油金 blob (Butter Yellow) */
.blob-yellow {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #FFE79A 0%, #FFD166 70%, transparent 100%);
  bottom: -100px;
  left: 20%;
  animation: floatYellow 22s infinite alternate ease-in-out;
}

@keyframes floatPeach {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(120px, 140px) scale(1.12); }
  100% { transform: translate(60px, 220px) scale(0.95); }
}

@keyframes floatMint {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-140px, -100px) scale(1.15); }
  100% { transform: translate(-80px, 160px) scale(0.9); }
}

@keyframes floatYellow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-100px, -120px) scale(1.08); }
  100% { transform: translate(140px, -60px) scale(1.18); }
}

/* 画布辅助微粒 (软萌漂浮小气泡) */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  opacity: 0.65;
}

/* 容器尺寸 */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

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

ul {
  list-style: none;
}

/* ===================================================================
   粘土质感卡片核心类 (Clay Card Base)
   =================================================================== */
.clay-card {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  transition: var(--transition-squish);
  position: relative;
  overflow: hidden;
}

.clay-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--clay-shadow-card-hover);
}

/* ===================================================================
   导航栏 Header (奶油磨砂粘土条)
   =================================================================== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  margin: 0 auto;
  max-width: 1240px;
  padding: 0 16px;
}

.nav-clay-container {
  background: rgba(255, 252, 248, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--clay-radius-pill);
  border: 2px solid rgba(255, 255, 255, 0.95);
  box-shadow: 
    0 12px 28px -6px rgba(180, 142, 116, 0.15),
    inset 3px 3px 6px rgba(255, 255, 255, 0.95),
    inset -3px -3px 8px rgba(184, 148, 122, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  transition: var(--transition-normal);
}

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

.brand-clay-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--clay-pink-start) 0%, var(--clay-pink-end) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: 
    0 8px 16px var(--clay-pink-glow),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9),
    inset -2px -2px 4px rgba(180, 40, 70, 0.35);
  border: 2px solid #FFFFFF;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  user-select: none;
}

.brand-logo:hover .brand-clay-icon {
  transform: rotate(-8deg) scale(1.1);
}

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

.brand-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-title);
  letter-spacing: -0.01em;
}

.brand-tag {
  font-size: 0.72rem;
  color: var(--clay-pink-end);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-body);
  padding: 8px 14px;
  border-radius: var(--clay-radius-pill);
  transition: var(--transition-squish);
}

.nav-links a:hover {
  color: var(--text-title);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 
    0 4px 10px rgba(180, 142, 116, 0.1),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9),
    inset -2px -2px 4px rgba(184, 148, 122, 0.1);
  transform: translateY(-2px);
}

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

.mobile-toggle {
  display: none;
  background: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  box-shadow: 
    0 6px 12px rgba(180, 142, 116, 0.15),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9),
    inset -2px -2px 4px rgba(184, 148, 122, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.hamburger-line {
  display: block;
  width: 18px;
  height: 2.5px;
  background-color: var(--text-title);
  border-radius: 2px;
  transition: var(--transition-normal);
}

/* ===================================================================
   渐变粘土按钮 (Gradient Clay Buttons: Pink / Blue / Yellow)
   按下即缩放压下 (Buttons press down on click)
   =================================================================== */
.clay-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--clay-radius-pill);
  font-size: 0.98rem;
  font-weight: 800;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.7);
  transition: var(--transition-squish);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

/* 按钮点击按压质感 (Press Down on Click) */
.clay-btn:active,
.btn-press:active {
  transform: translateY(4px) scale(0.96) !important;
}

/* 1. 粉色系粘土按钮 (Pink Clay Button) */
.clay-btn-pink {
  background: linear-gradient(145deg, var(--clay-pink-start) 0%, var(--clay-pink-end) 100%);
  color: #FFFFFF;
  box-shadow: 
    0 12px 24px -4px var(--clay-pink-glow),
    inset 3px 3px 6px rgba(255, 255, 255, 0.85),
    inset -3px -3px 8px rgba(190, 50, 80, 0.35);
}

.clay-btn-pink:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 16px 30px -4px var(--clay-pink-glow),
    inset 4px 4px 8px rgba(255, 255, 255, 0.95),
    inset -4px -4px 10px rgba(190, 50, 80, 0.4);
  color: #FFFFFF;
}

.clay-btn-pink:active {
  box-shadow: 
    0 4px 10px var(--clay-pink-glow),
    inset 2px 2px 4px rgba(255, 255, 255, 0.8),
    inset -2px -2px 6px rgba(190, 50, 80, 0.45);
}

/* 2. 蓝色/薄荷系粘土按钮 (Blue Clay Button) */
.clay-btn-blue {
  background: linear-gradient(145deg, var(--clay-blue-start) 0%, var(--clay-blue-end) 100%);
  color: #FFFFFF;
  box-shadow: 
    0 12px 24px -4px var(--clay-blue-glow),
    inset 3px 3px 6px rgba(255, 255, 255, 0.85),
    inset -3px -3px 8px rgba(35, 110, 180, 0.35);
}

.clay-btn-blue:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 16px 30px -4px var(--clay-blue-glow),
    inset 4px 4px 8px rgba(255, 255, 255, 0.95),
    inset -4px -4px 10px rgba(35, 110, 180, 0.4);
  color: #FFFFFF;
}

.clay-btn-blue:active {
  box-shadow: 
    0 4px 10px var(--clay-blue-glow),
    inset 2px 2px 4px rgba(255, 255, 255, 0.8),
    inset -2px -2px 6px rgba(35, 110, 180, 0.45);
}

/* 3. 奶油黄油金粘土按钮 (Butter Yellow Clay Button) */
.clay-btn-yellow {
  background: linear-gradient(145deg, var(--clay-yellow-start) 0%, var(--clay-yellow-end) 100%);
  color: #5C3D00;
  box-shadow: 
    0 12px 24px -4px var(--clay-yellow-glow),
    inset 3px 3px 6px rgba(255, 255, 255, 0.9),
    inset -3px -3px 8px rgba(190, 120, 20, 0.35);
}

.clay-btn-yellow:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 16px 30px -4px var(--clay-yellow-glow),
    inset 4px 4px 8px rgba(255, 255, 255, 1),
    inset -4px -4px 10px rgba(190, 120, 20, 0.4);
  color: #5C3D00;
}

.clay-btn-yellow:active {
  box-shadow: 
    0 4px 10px var(--clay-yellow-glow),
    inset 2px 2px 4px rgba(255, 255, 255, 0.85),
    inset -2px -2px 6px rgba(190, 120, 20, 0.45);
}

/* 4. 白色软糖按钮 (White Squishy Pill Button) */
.clay-btn-white {
  background: #FFFFFF;
  color: var(--text-title);
  box-shadow: 
    0 8px 18px rgba(180, 142, 116, 0.14),
    inset 3px 3px 6px rgba(255, 255, 255, 1),
    inset -3px -3px 6px rgba(184, 148, 122, 0.15);
}

.clay-btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 12px 24px rgba(180, 142, 116, 0.2),
    inset 3px 3px 6px rgba(255, 255, 255, 1),
    inset -3px -3px 6px rgba(184, 148, 122, 0.18);
  color: var(--clay-pink-end);
}

.clay-btn-large {
  padding: 16px 36px;
  font-size: 1.12rem;
}

.clay-btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
}

.btn-block {
  width: 100%;
}

/* ===================================================================
   Hero 头部首屏区 (Adorable, Squishy, Wholesome)
   =================================================================== */
.hero-section {
  padding: 80px 0 50px;
  text-align: center;
  position: relative;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  background: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--clay-radius-pill);
  box-shadow: 
    0 8px 20px rgba(180, 142, 116, 0.12),
    inset 2px 2px 5px rgba(255, 255, 255, 1),
    inset -2px -2px 5px rgba(184, 148, 122, 0.12);
  color: var(--clay-pink-end);
  font-size: 0.92rem;
  font-weight: 800;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 22px;
  color: var(--text-title);
  letter-spacing: -0.025em;
}

.text-squishy-gradient {
  background: linear-gradient(135deg, #FF6584 0%, #FBA930 50%, #3B9AE8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  max-width: 820px;
  margin: 0 auto 36px;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-body);
  line-height: 1.75;
  font-weight: 500;
}

.hero-keywords-clay {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 920px;
  margin: 0 auto 38px;
}

.kw-clay-pill {
  background: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  padding: 6px 16px;
  border-radius: var(--clay-radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-body);
  box-shadow: 
    0 4px 10px rgba(180, 142, 116, 0.08),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9),
    inset -2px -2px 4px rgba(184, 148, 122, 0.1);
  transition: var(--transition-squish);
}

.kw-clay-pill:hover {
  transform: translateY(-3px) scale(1.04);
  color: var(--clay-pink-end);
  box-shadow: 
    0 8px 16px rgba(255, 101, 132, 0.2),
    inset 2px 2px 4px rgba(255, 255, 255, 1);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 54px;
}

/* 粘土数据小卡片横幅 */
.stats-clay-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.stat-clay-item {
  background: #FFFFFF;
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 24px 20px;
  text-align: center;
  transition: var(--transition-squish);
}

.stat-clay-item:hover {
  transform: translateY(-5px);
}

.stat-clay-val {
  font-size: 2.3rem;
  font-weight: 900;
  display: block;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.stat-pink { color: var(--clay-pink-end); }
.stat-blue { color: var(--clay-blue-end); }
.stat-yellow { color: #E59819; }
.stat-mint { color: var(--clay-mint-end); }

.stat-clay-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ===================================================================
   三大核心特性卡片 (Three Feature Cards)
   Topped with a gradient rounded 3D icon tile
   Copy: Soft Deploy / Tough Security / Elastic Savings
   =================================================================== */
.section {
  padding: 85px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 52px;
}

.section-tag-pill {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--clay-pink-end);
  background: rgba(255, 101, 132, 0.12);
  padding: 6px 18px;
  border-radius: var(--clay-radius-pill);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 2.7rem);
  font-weight: 900;
  color: var(--text-title);
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* 三张核心卡片网格 */
.three-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-clay-card {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 38px 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition-squish);
  position: relative;
}

.feature-clay-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--clay-shadow-card-hover);
}

/* 顶部立体 3D 渐变马卡龙图标砖 (Gradient Rounded 3D Icon Tile) */
.clay-3d-tile {
  width: 84px;
  height: 84px;
  border-radius: 26px;
  border: 3px solid rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  margin-bottom: 24px;
  transition: var(--transition-squish);
  user-select: none;
}

.feature-clay-card:hover .clay-3d-tile {
  transform: translateY(-4px) rotate(6deg) scale(1.1);
}

/* 粉色瓦片: Soft Deploy */
.tile-pink {
  background: linear-gradient(145deg, var(--clay-pink-start) 0%, var(--clay-pink-end) 100%);
  box-shadow: 
    0 16px 28px -4px var(--clay-pink-glow),
    inset 4px 4px 8px rgba(255, 255, 255, 0.9),
    inset -4px -4px 10px rgba(180, 40, 70, 0.35);
}

/* 蓝薄荷瓦片: Tough Security */
.tile-blue {
  background: linear-gradient(145deg, var(--clay-blue-start) 0%, var(--clay-blue-end) 100%);
  box-shadow: 
    0 16px 28px -4px var(--clay-blue-glow),
    inset 4px 4px 8px rgba(255, 255, 255, 0.9),
    inset -4px -4px 10px rgba(30, 95, 170, 0.35);
}

/* 黄油金瓦片: Elastic Savings */
.tile-yellow {
  background: linear-gradient(145deg, var(--clay-yellow-start) 0%, var(--clay-yellow-end) 100%);
  box-shadow: 
    0 16px 28px -4px var(--clay-yellow-glow),
    inset 4px 4px 8px rgba(255, 255, 255, 0.95),
    inset -4px -4px 10px rgba(180, 110, 10, 0.35);
}

.feature-tagline {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.feature-tagline.tag-pink { color: var(--clay-pink-end); }
.feature-tagline.tag-blue { color: var(--clay-blue-end); }
.feature-tagline.tag-yellow { color: #E59819; }

.feature-clay-title {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-title);
  margin-bottom: 14px;
}

.feature-clay-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* ===================================================================
   价格区域 Pricing Section (核心：所有价格同排与粘土卡片)
   =================================================================== */
.pricing-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-bottom: 42px;
}

/* 周期切换粘土胶囊 */
.cycle-clay-pills {
  display: inline-flex;
  background: #FFFFFF;
  padding: 6px;
  border-radius: var(--clay-radius-pill);
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 
    0 8px 20px rgba(180, 142, 116, 0.12),
    inset 2px 2px 5px rgba(255, 255, 255, 1),
    inset -2px -2px 5px rgba(184, 148, 122, 0.12);
  gap: 4px;
}

.cycle-btn {
  background: transparent;
  border: none;
  color: var(--text-body);
  font-size: 0.92rem;
  font-weight: 800;
  padding: 10px 22px;
  border-radius: var(--clay-radius-pill);
  cursor: pointer;
  transition: var(--transition-squish);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cycle-btn.active {
  background: linear-gradient(145deg, var(--clay-pink-start) 0%, var(--clay-pink-end) 100%);
  color: #FFFFFF;
  box-shadow: 
    0 8px 16px var(--clay-pink-glow),
    inset 2px 2px 4px rgba(255, 255, 255, 0.85),
    inset -2px -2px 6px rgba(180, 40, 70, 0.35);
  transform: translateY(-2px);
}

.cycle-discount-badge {
  font-size: 0.75rem;
  background: #FFE8EC;
  color: var(--clay-pink-end);
  padding: 2px 8px;
  border-radius: var(--clay-radius-pill);
  font-weight: 900;
}

.cycle-btn.active .cycle-discount-badge {
  background: rgba(255, 255, 255, 0.28);
  color: #FFFFFF;
}

/* 分类筛选 */
.category-clay-tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.cat-tab-btn {
  background: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  color: var(--text-body);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 8px 20px;
  border-radius: var(--clay-radius-pill);
  cursor: pointer;
  box-shadow: 
    0 6px 14px rgba(180, 142, 116, 0.1),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9),
    inset -2px -2px 4px rgba(184, 148, 122, 0.1);
  transition: var(--transition-squish);
}

.cat-tab-btn.active,
.cat-tab-btn:hover {
  background: linear-gradient(145deg, var(--clay-blue-start) 0%, var(--clay-blue-end) 100%);
  color: #FFFFFF;
  box-shadow: 
    0 8px 18px var(--clay-blue-glow),
    inset 2px 2px 4px rgba(255, 255, 255, 0.85),
    inset -2px -2px 6px rgba(30, 95, 170, 0.35);
  transform: translateY(-2px);
}

/* 横向同排套餐网格 (Row Align Grid) */
.pricing-scroll-outer {
  width: 100%;
}

.pricing-row-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

/* 粘土套餐卡片 */
.pricing-card {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-squish);
  position: relative;
  height: 100%;
}

.pricing-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--clay-shadow-card-hover);
}

/* 热门卡片高亮 (黄油金/粉萌粘土边) */
.pricing-card.featured {
  border: 3px solid #FF8FA3;
  background: linear-gradient(180deg, #FFF9FA 0%, #FFFFFF 100%);
}

.pricing-badge-clay {
  position: absolute;
  top: -14px;
  right: 22px;
  background: linear-gradient(145deg, var(--clay-pink-start) 0%, var(--clay-pink-end) 100%);
  color: #FFFFFF;
  font-size: 0.76rem;
  font-weight: 900;
  padding: 5px 14px;
  border-radius: var(--clay-radius-pill);
  box-shadow: 
    0 6px 14px var(--clay-pink-glow),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9),
    inset -2px -2px 4px rgba(180, 40, 70, 0.35);
  border: 2px solid #FFFFFF;
}

.plan-header {
  border-bottom: 2px dashed rgba(180, 142, 116, 0.15);
  padding-bottom: 18px;
  margin-bottom: 20px;
}

.plan-icon-name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.plan-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-title);
}

.plan-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.plan-price-wrap {
  margin: 16px 0 10px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.currency-sym {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--clay-pink-end);
}

.price-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text-title);
  letter-spacing: -0.03em;
}

.price-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 700;
}

.plan-traffic-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #E8F8F5;
  color: #179B82;
  padding: 5px 14px;
  border-radius: var(--clay-radius-pill);
  font-size: 0.84rem;
  font-weight: 800;
  box-shadow: inset 1px 1px 3px rgba(255, 255, 255, 0.8);
}

.plan-features-list {
  margin: 20px 0 24px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  flex-grow: 1;
}

.plan-feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-body);
}

.plan-feat-item.feat-check svg {
  color: var(--clay-mint-end);
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(72, 203, 181, 0.3));
}

.plan-feat-item.feat-cross {
  color: var(--text-light);
}

.plan-feat-item.feat-cross svg {
  color: #FFAAA6;
  flex-shrink: 0;
}

.plan-cta-box {
  margin-top: auto;
}

/* ===================================================================
   节点拓扑与测速 Section
   =================================================================== */
.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.node-clay-card {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius-sm);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition-squish);
}

.node-clay-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--clay-shadow-card-hover);
}

.node-info-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.node-flag {
  font-size: 2rem;
  filter: drop-shadow(0 4px 6px rgba(180, 142, 116, 0.15));
}

.node-title {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-title);
}

.node-type {
  font-size: 0.78rem;
  color: var(--clay-blue-end);
  font-weight: 700;
}

.node-stats-right {
  text-align: right;
}

.node-ping {
  font-size: 1rem;
  font-weight: 900;
  color: var(--clay-mint-end);
}

.node-status-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--clay-mint-end);
  box-shadow: 0 0 10px var(--clay-mint-glow);
  margin-right: 4px;
}

.node-status-text {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ===================================================================
   文章推荐专区 Articles Grid
   =================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 26px;
}

.article-clay-card {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-squish);
  text-decoration: none;
}

.article-clay-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--clay-shadow-card-hover);
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 12px;
}

.article-category {
  color: #FFFFFF;
  font-weight: 800;
  background: linear-gradient(145deg, var(--clay-pink-start) 0%, var(--clay-pink-end) 100%);
  padding: 3px 10px;
  border-radius: var(--clay-radius-pill);
  font-size: 0.75rem;
  box-shadow: 0 4px 10px var(--clay-pink-glow);
}

.article-card-title {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--text-title);
  line-height: 1.45;
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.article-clay-card:hover .article-card-title {
  color: var(--clay-pink-end);
}

.article-card-excerpt {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.68;
  margin-bottom: 22px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 2px dashed rgba(180, 142, 116, 0.15);
  padding-top: 14px;
  font-size: 0.88rem;
  color: var(--clay-blue-end);
  font-weight: 800;
}

.article-clay-card:hover .article-card-footer svg {
  transform: translateX(6px);
  transition: transform 0.2s ease;
}

/* ===================================================================
   用户口碑评价 Reviews Section
   =================================================================== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.review-clay-card {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-squish);
}

.review-clay-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--clay-shadow-card-hover);
}

.review-stars {
  color: #FFA502;
  margin-bottom: 14px;
  font-size: 1.15rem;
  letter-spacing: 2px;
}

.review-quote {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
  font-weight: 500;
}

.review-user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 2px dashed rgba(180, 142, 116, 0.15);
  padding-top: 14px;
}

.user-avatar-clay {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--clay-yellow-start) 0%, var(--clay-pink-end) 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 
    0 8px 16px rgba(255, 101, 132, 0.25),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9),
    inset -2px -2px 4px rgba(180, 40, 70, 0.3);
  border: 2px solid #FFFFFF;
}

.user-name {
  font-size: 1rem;
  font-weight: 900;
  color: var(--text-title);
}

.user-role {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: #179B82;
  font-size: 0.75rem;
  font-weight: 800;
  margin-left: 6px;
}

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

.faq-item-clay {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  overflow: hidden;
  transition: var(--transition-squish);
}

.faq-item-clay:hover,
.faq-item-clay.open {
  box-shadow: var(--clay-shadow-card-hover);
}

.faq-question {
  width: 100%;
  padding: 22px 28px;
  background: transparent;
  border: none;
  color: var(--text-title);
  font-size: 1.1rem;
  font-weight: 900;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-normal);
}

.faq-question:hover {
  color: var(--clay-pink-end);
}

.faq-icon-clay {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #FFF5F7;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  color: var(--clay-pink-end);
  flex-shrink: 0;
  box-shadow: inset 1px 1px 3px rgba(255, 255, 255, 0.9);
}

.faq-item-clay.open .faq-icon-clay {
  transform: rotate(180deg);
  background: var(--clay-pink-end);
  color: #FFFFFF;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 28px;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.75;
}

.faq-item-clay.open .faq-answer {
  max-height: 500px;
  padding-bottom: 24px;
}

/* ===================================================================
   客户端生态与权威外链 Authority Links
   =================================================================== */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.client-box-clay {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 26px 20px;
  text-align: center;
  transition: var(--transition-squish);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.client-box-clay:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: var(--clay-shadow-card-hover);
}

.client-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.client-name {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--text-title);
  margin-bottom: 4px;
}

.client-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.client-link {
  font-size: 0.85rem;
  color: var(--clay-blue-end);
  font-weight: 800;
}

.authority-links-bar-clay {
  margin-top: 40px;
  padding: 22px 28px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--clay-radius-pill);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.auth-label {
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--text-title);
}

.auth-link {
  font-size: 0.85rem;
  color: var(--text-body);
  font-weight: 700;
  transition: color 0.2s ease;
}

.auth-link:hover {
  color: var(--clay-pink-end);
  text-decoration: underline;
}

/* ===================================================================
   全站页脚 Footer (奶油软糖风)
   =================================================================== */
.site-footer {
  background: #FFF7ED;
  border-top: 2px dashed rgba(180, 142, 116, 0.2);
  padding: 70px 0 35px;
  margin-top: 90px;
}

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

.footer-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  margin-top: 14px;
  max-width: 380px;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-title);
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-body);
}

.footer-col a:hover {
  color: var(--clay-pink-end);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 2px dashed rgba(180, 142, 116, 0.15);
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-muted);
  gap: 12px;
}

/* ===================================================================
   文章内页与协议页面排版 (Subpages & Articles)
   =================================================================== */
.page-sub .page-content {
  padding: 40px 20px 80px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 24px;
}

.article-breadcrumb a {
  color: var(--text-body);
}

.article-breadcrumb a:hover {
  color: var(--clay-pink-end);
}

.article-box {
  background: var(--bg-card-clay);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 48px;
  max-width: 980px;
  margin: 0 auto;
}

.article-header {
  border-bottom: 2px dashed rgba(180, 142, 116, 0.2);
  padding-bottom: 24px;
  margin-bottom: 34px;
}

.article-header h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 14px;
  color: var(--text-title);
}

.article-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-body);
}

.article-body h2 {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-title);
  margin: 38px 0 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(180, 142, 116, 0.15);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--clay-blue-end);
  margin: 28px 0 12px;
}

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

.article-body ul, .article-body ol {
  margin: 0 0 22px 24px;
}

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

.article-body ol li {
  list-style: decimal;
}

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

.article-body a {
  color: var(--clay-pink-end);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-body a:hover {
  color: #D63052;
}

.callout-box {
  background: #FFF4F6;
  border-left: 5px solid var(--clay-pink-end);
  padding: 20px 24px;
  border-radius: var(--clay-radius-sm);
  margin: 26px 0;
  font-size: 0.98rem;
  box-shadow: 
    0 6px 14px rgba(255, 101, 132, 0.08),
    inset 2px 2px 4px rgba(255, 255, 255, 0.9);
}

.cta-banner {
  background: linear-gradient(135deg, #FFE8EC 0%, #FFF3D6 50%, #E3F8FF 100%);
  border-radius: var(--clay-radius);
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 38px 30px;
  text-align: center;
  margin: 44px 0 24px;
}

.cta-banner h3 {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-title);
  margin-bottom: 12px;
}

.cta-banner p {
  color: var(--text-body);
  max-width: 620px;
  margin: 0 auto 24px;
  font-size: 1.02rem;
}

.related-articles {
  margin-top: 50px;
  border-top: 2px dashed rgba(180, 142, 116, 0.2);
  padding-top: 32px;
}

.related-articles h3 {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-title);
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.related-card {
  background: #FFFFFF;
  border: var(--clay-border);
  box-shadow: var(--clay-shadow-card);
  padding: 20px;
  border-radius: var(--clay-radius-sm);
  display: block;
  text-decoration: none;
  transition: var(--transition-squish);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--clay-shadow-card-hover);
}

.related-card-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-title);
  line-height: 1.45;
}

/* 响应式表格 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 26px 0;
  border-radius: var(--clay-radius-sm);
  box-shadow: var(--clay-shadow-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
  background: #FFFFFF;
}

th, td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(180, 142, 116, 0.12);
}

th {
  background: #FFF7EE;
  color: var(--text-title);
  font-weight: 900;
}

tr:hover {
  background: #FFFDF9;
}

/* ===================================================================
   移动端响应式 (Mobile Responsive)
   =================================================================== */
@media (max-width: 1024px) {
  .pricing-row-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .three-features-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    top: 10px;
    padding: 0 12px;
  }
  
  .nav-clay-container {
    padding: 8px 18px;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    background: rgba(255, 252, 248, 0.98);
    backdrop-filter: blur(22px);
    border-radius: var(--clay-radius);
    border: var(--clay-border);
    box-shadow: var(--clay-shadow-card-hover);
    flex-direction: column;
    padding: 28px 20px;
    gap: 16px;
    transform: translateY(-160%);
    transition: transform 0.38s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  
  .nav-links.mobile-open {
    transform: translateY(0);
  }
  
  .nav-actions .clay-btn {
    display: none;
  }
  
  .hero-section {
    padding: 50px 0 30px;
  }
  
  .stats-clay-banner {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  
  .pricing-row-grid {
    grid-template-columns: 1fr;
  }
  
  .articles-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .article-box {
    padding: 28px 20px;
  }
}