/* ==========================================================================
   快连官网 & 快连加速服务 - 粘土拟态与复古像素视觉系统
   Design Philosophy: Claymorphism (Soft Inner/Outer 3D Shadows & Plump Radii),
   Forest Green (#40916C) & Earthy Tones (#DDA15E, #BC6C25),
   Radial Circular Layout & Retro Pixel Accent Elements
   ========================================================================== */

:root {
  /* 色彩变量：森林绿与大地色系 */
  --bg-deep: #101511;
  --bg-clay: #19221B;
  --bg-clay-soft: #232E25;
  --bg-clay-hover: #2B382E;
  
  --forest-green: #40916C;
  --forest-dark: #1B4332;
  --forest-light: #52B788;
  --forest-mint: #74C69D;
  --forest-glow: rgba(82, 183, 136, 0.28);
  
  --earth-sand: #E9D8A6;
  --earth-warm: #DDA15E;
  --earth-clay: #BC6C25;
  --earth-deep: #283618;
  --earth-olive: #606C38;
  
  --text-main: #F4F7F4;
  --text-sub: #C7D4C8;
  --text-muted: #8F9E91;

  /* 粘土拟态质感阴影：外层柔光深度 + 内层立体高光与反光 */
  --clay-shadow-card: 
    10px 14px 28px rgba(0, 0, 0, 0.45),
    inset -5px -5px 12px rgba(0, 0, 0, 0.4),
    inset 5px 5px 12px rgba(255, 255, 255, 0.08);

  --clay-shadow-button: 
    6px 8px 16px rgba(0, 0, 0, 0.4),
    inset -3px -3px 8px rgba(0, 0, 0, 0.35),
    inset 3px 3px 8px rgba(255, 255, 255, 0.25);

  --clay-shadow-pill:
    4px 6px 14px rgba(0, 0, 0, 0.35),
    inset -2px -2px 6px rgba(0, 0, 0, 0.3),
    inset 2px 2px 6px rgba(255, 255, 255, 0.12);

  --clay-radius-lg: 32px;
  --clay-radius-md: 24px;
  --clay-radius-sm: 16px;
  --clay-radius-pill: 999px;

  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-pixel: "Courier New", Consolas, Menlo, Monaco, monospace;

  --container-max: 1240px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-stack);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--bg-deep);
  /* 圆形放射状背景光晕 */
  background-image: 
    radial-gradient(circle at 20% 15%, rgba(64, 145, 108, 0.16) 0%, transparent 50%),
    radial-gradient(circle at 80% 75%, rgba(188, 108, 37, 0.12) 0%, transparent 55%),
    radial-gradient(circle at 50% 50%, rgba(221, 161, 94, 0.05) 0%, transparent 60%);
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* 粘土拟态徽章 + 复古像素点缀 */
.clay-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-clay-soft);
  border: 1px solid rgba(82, 183, 136, 0.25);
  border-radius: var(--clay-radius-pill);
  box-shadow: var(--clay-shadow-pill);
  color: var(--forest-mint);
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px 18px;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.clay-badge .pixel-dot {
  width: 8px;
  height: 8px;
  background: var(--earth-warm);
  box-shadow: 0 0 8px var(--earth-warm);
  display: inline-block;
  image-rendering: pixelated;
}

/* 粘土拟态质感按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 34px;
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
  border-radius: var(--clay-radius-pill);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--forest-green), var(--forest-dark));
  color: #FFFFFF;
  box-shadow: var(--clay-shadow-button), 0 0 20px rgba(64, 145, 108, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  background: linear-gradient(135deg, var(--forest-light), var(--forest-green));
  box-shadow: 8px 12px 24px rgba(0, 0, 0, 0.5), inset -3px -3px 8px rgba(0, 0, 0, 0.35), inset 3px 3px 8px rgba(255, 255, 255, 0.35), 0 0 28px rgba(82, 183, 136, 0.5);
}

.btn-secondary {
  background: var(--bg-clay-soft);
  color: var(--earth-sand);
  border: 1px solid rgba(221, 161, 94, 0.25);
  box-shadow: var(--clay-shadow-button);
}

.btn-secondary:hover {
  transform: translateY(-3px) scale(1.02);
  background: var(--bg-clay-hover);
  border-color: var(--earth-warm);
  color: #FFFFFF;
}

/* 1. 通栏公告条 */
.top-notice {
  background: linear-gradient(90deg, #132217, #1B3523 50%, #132217);
  border-bottom: 1px solid rgba(82, 183, 136, 0.2);
  color: var(--earth-sand);
  font-size: 0.88rem;
  padding: 10px 20px;
  position: relative;
  z-index: 1000;
}

.notice-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.notice-pixel-tag {
  background: var(--earth-clay);
  color: #FFFFFF;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: var(--clay-radius-pill);
  box-shadow: var(--clay-shadow-pill);
  font-family: var(--font-pixel);
}

.notice-text {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.notice-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  position: absolute;
  right: 20px;
  line-height: 1;
}

.notice-close:hover {
  color: var(--forest-mint);
}

/* 2. 粘性顶栏 */
.header-sticky {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(16, 21, 17, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(82, 183, 136, 0.15);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

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

.logo-clay-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--forest-green), var(--forest-dark));
  border-radius: 14px;
  box-shadow: var(--clay-shadow-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: #FFFFFF;
  position: relative;
}

.logo-clay-icon::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 6px;
  height: 6px;
  background: var(--earth-warm);
  border-radius: 2px;
}

.brand-title {
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.brand-title span {
  color: var(--forest-mint);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--clay-radius-pill);
  transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--forest-mint);
  background: var(--bg-clay-soft);
  box-shadow: var(--clay-shadow-pill);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-switch {
  color: var(--text-muted);
  font-family: var(--font-pixel);
  font-size: 0.88rem;
  font-weight: 700;
}

.login-link {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 8px 14px;
}

.login-link:hover {
  color: var(--earth-warm);
}

/* 3. 首屏 Hero（圆形放射状版式 + 粘土拟态 + 复古像素） */
.hero-section {
  padding: 70px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-left {
  position: relative;
  z-index: 2;
}

.hero-h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-h1 .gradient-forest {
  background: linear-gradient(135deg, var(--forest-mint), var(--forest-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.hero-h1 .gradient-earth {
  color: var(--earth-sand);
  font-size: 2.1rem;
  font-weight: 800;
  display: block;
  margin-top: 8px;
}

.hero-features-list {
  list-style: none;
  margin-bottom: 34px;
}

.hero-features-list li {
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.hero-features-list li strong {
  color: var(--text-main);
  background: rgba(64, 145, 108, 0.15);
  border-left: 3px solid var(--forest-light);
  padding: 2px 8px;
  border-radius: 4px;
}

.hero-cta-group {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.platform-badges-box {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid rgba(82, 183, 136, 0.2);
}

.platform-clay-tag {
  background: var(--bg-clay-soft);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--clay-radius-pill);
  box-shadow: var(--clay-shadow-pill);
  padding: 4px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--earth-sand);
  font-family: var(--font-pixel);
}

/* 右侧：圆形放射状版式 + 复古像素抽象引擎 */
.hero-visual-wrapper {
  position: relative;
  width: 100%;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.radial-clay-stage {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, #1B3523 0%, #131E16 65%, #101511 100%);
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-shadow-card);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(82, 183, 136, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.radial-svg-box {
  width: 100%;
  height: 100%;
  display: block;
}

/* 3 张粘土拟态悬浮卡片 */
.clay-floating-card {
  position: absolute;
  background: var(--bg-clay-soft);
  border: 1px solid rgba(82, 183, 136, 0.3);
  border-radius: var(--clay-radius-md);
  box-shadow: var(--clay-shadow-card);
  padding: 14px 20px;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.clay-floating-card.card-pos-1 {
  top: 24px;
  left: 20px;
  border-left: 5px solid var(--forest-mint);
}

.clay-floating-card.card-pos-2 {
  bottom: 26px;
  right: 20px;
  border-left: 5px solid var(--earth-warm);
}

.clay-floating-card.card-pos-3 {
  top: 52%;
  left: 16px;
  transform: translateY(-50%);
  border-left: 5px solid var(--forest-light);
}

.clay-metric-val {
  font-size: 1.55rem;
  font-weight: 900;
  font-family: var(--font-pixel);
  color: var(--forest-mint);
  line-height: 1.1;
}

.clay-metric-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--earth-sand);
  text-transform: uppercase;
}

/* 4. 信任条：4 个 KPI（粘土软雕塑药丸条） */
.trust-bar-section {
  padding: 36px 0;
  background: var(--bg-clay);
  border-top: 1px solid rgba(82, 183, 136, 0.2);
  border-bottom: 1px solid rgba(82, 183, 136, 0.2);
}

.trust-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-kpi-card {
  background: var(--bg-clay-soft);
  border-radius: var(--clay-radius-md);
  box-shadow: var(--clay-shadow-pill);
  padding: 20px 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.kpi-num {
  font-size: 2.4rem;
  font-weight: 900;
  font-family: var(--font-pixel);
  color: var(--text-main);
  line-height: 1.1;
}

.kpi-num span {
  color: var(--forest-mint);
  font-size: 1.7rem;
}

.kpi-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-sub);
  margin-top: 6px;
}

/* 通用板块与粘土卡片容器 */
.section-padding {
  padding: 80px 0;
  position: relative;
}

.section-head {
  margin-bottom: 50px;
  text-align: left;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-sub);
  max-width: 680px;
  line-height: 1.6;
}

/* 5. 功能板块：3x2 粘土卡片 */
.features-grid-3x2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.clay-feature-card {
  background: var(--bg-clay);
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-shadow-card);
  padding: 36px 30px;
  position: relative;
  border: 1px solid rgba(82, 183, 136, 0.15);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.clay-feature-card:hover {
  transform: translateY(-5px);
  background: var(--bg-clay-soft);
  border-color: var(--forest-light);
  box-shadow: 14px 18px 32px rgba(0, 0, 0, 0.55), inset -4px -4px 10px rgba(0, 0, 0, 0.4), inset 4px 4px 10px rgba(255, 255, 255, 0.12);
}

.feature-pixel-icon-box {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--forest-dark), var(--forest-green));
  border-radius: 18px;
  box-shadow: var(--clay-shadow-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 20px;
}

.feature-text-link {
  color: var(--forest-mint);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.feature-text-link:hover {
  text-decoration: underline;
  color: var(--earth-warm);
}

/* 6. 证明 A：2 列（大视觉结合 1.webp + 核心机房区域概览） */
.proof-a-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.proof-clay-frame {
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-shadow-card);
  overflow: hidden;
  border: 1px solid rgba(82, 183, 136, 0.25);
  background: var(--bg-clay);
}

.proof-clay-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.nodes-clay-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.node-clay-item {
  background: var(--bg-clay-soft);
  border-radius: var(--clay-radius-md);
  box-shadow: var(--clay-shadow-pill);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.node-clay-item:hover {
  border-color: var(--forest-light);
}

.node-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
}

.node-ping-pixel {
  color: var(--forest-mint);
  font-family: var(--font-pixel);
  font-size: 0.88rem;
  font-weight: 700;
}

.node-details {
  font-size: 0.82rem;
  color: var(--earth-sand);
  margin-top: 6px;
}

/* 7. 场景：Tab 切换 */
.scenarios-clay-container {
  background: var(--bg-clay);
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-shadow-card);
  padding: 36px;
  border: 1px solid rgba(82, 183, 136, 0.2);
}

.tab-nav-bar {
  display: flex;
  gap: 12px;
  border-bottom: 1px solid rgba(82, 183, 136, 0.2);
  padding-bottom: 16px;
  margin-bottom: 32px;
  overflow-x: auto;
}

.tab-clay-btn {
  background: var(--bg-clay-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--clay-radius-pill);
  box-shadow: var(--clay-shadow-pill);
  color: var(--text-sub);
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.tab-clay-btn.active, .tab-clay-btn:hover {
  background: linear-gradient(135deg, var(--forest-green), var(--forest-dark));
  color: #FFFFFF;
  box-shadow: var(--clay-shadow-button);
}

.tab-content-panel {
  display: none;
}

.tab-content-panel.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.pain-side-box {
  background: rgba(30, 20, 16, 0.4);
  border: 1px solid rgba(188, 108, 37, 0.4);
  border-radius: var(--clay-radius-md);
  padding: 24px;
}

.pain-title {
  color: var(--earth-warm);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.solution-side-box {
  background: rgba(27, 67, 50, 0.35);
  border: 1px solid var(--forest-light);
  border-radius: var(--clay-radius-md);
  padding: 24px;
}

.solution-title {
  color: var(--forest-mint);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.scene-point-list {
  list-style: none;
}

.scene-point-list li {
  font-size: 0.92rem;
  color: var(--text-sub);
  margin-bottom: 10px;
  line-height: 1.5;
}

/* 8. 证明 B：普通 vs 快连 3 组对比条 */
.comparison-clay-box {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.compare-clay-row {
  background: var(--bg-clay);
  border-radius: var(--clay-radius-md);
  box-shadow: var(--clay-shadow-card);
  padding: 20px 24px;
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  gap: 24px;
  align-items: center;
  border: 1px solid rgba(82, 183, 136, 0.15);
}

.compare-metric-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
}

.compare-bad-state {
  background: rgba(30, 20, 16, 0.5);
  border: 1px solid rgba(188, 108, 37, 0.4);
  border-radius: var(--clay-radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
  color: #E6B8A2;
}

.compare-good-state {
  background: rgba(27, 67, 50, 0.45);
  border: 1px solid var(--forest-light);
  border-radius: var(--clay-radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--forest-mint);
  font-weight: 700;
}

/* 9. 定价：周期切换 + 3 档套餐 */
.pricing-section {
  text-align: center;
}

.cycle-toggle-wrapper {
  display: inline-flex;
  background: var(--bg-clay-soft);
  border-radius: var(--clay-radius-pill);
  box-shadow: var(--clay-shadow-pill);
  padding: 6px;
  gap: 6px;
  margin-bottom: 48px;
  border: 1px solid rgba(82, 183, 136, 0.2);
}

.cycle-btn {
  background: transparent;
  border: none;
  color: var(--text-sub);
  padding: 8px 24px;
  font-size: 0.92rem;
  font-weight: 800;
  border-radius: var(--clay-radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.cycle-btn.active {
  background: linear-gradient(135deg, var(--forest-green), var(--forest-dark));
  color: #FFFFFF;
  box-shadow: var(--clay-shadow-button);
}

.pricing-clay-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: left;
}

.pricing-card {
  background: var(--bg-clay);
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-shadow-card);
  padding: 40px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(82, 183, 136, 0.15);
}

.pricing-card.featured-plan {
  border: 2px solid var(--forest-light);
  background: linear-gradient(180deg, #1C2E21 0%, #16241A 100%);
  box-shadow: 14px 20px 36px rgba(0, 0, 0, 0.6), inset -5px -5px 12px rgba(0, 0, 0, 0.4), inset 5px 5px 12px rgba(255, 255, 255, 0.14), 0 0 24px rgba(82, 183, 136, 0.25);
  transform: translateY(-8px);
}

.clay-popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--earth-clay), var(--earth-warm));
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 4px 18px;
  border-radius: var(--clay-radius-pill);
  box-shadow: var(--clay-shadow-pill);
  letter-spacing: 0.05em;
}

.plan-name {
  font-size: 1.45rem;
  font-weight: 900;
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.plan-cost {
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-pixel);
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 24px;
}

.plan-cost span {
  font-size: 1rem;
  color: var(--text-muted);
}

.plan-items-list {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-items-list li {
  font-size: 0.92rem;
  color: var(--text-sub);
  margin-bottom: 12px;
  display: flex;
  gap: 8px;
}

.plan-items-list li::before {
  content: "✔";
  color: var(--forest-mint);
}

/* 10. 获取：3x2 下载矩阵 */
.downloads-clay-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.dl-clay-card {
  background: var(--bg-clay);
  border-radius: var(--clay-radius-md);
  box-shadow: var(--clay-shadow-card);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(82, 183, 136, 0.15);
}

.dl-clay-card:hover {
  border-color: var(--forest-mint);
}

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

.dl-icon-badge {
  font-size: 2rem;
}

.dl-os-name {
  font-size: 1.25rem;
  font-weight: 800;
}

.dl-os-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-pixel);
}

.mobile-clay-notice {
  background: var(--bg-clay-soft);
  border-left: 5px solid var(--earth-warm);
  border-radius: var(--clay-radius-sm);
  box-shadow: var(--clay-shadow-pill);
  padding: 16px 22px;
  font-size: 0.9rem;
  color: var(--text-sub);
}

/* 11. 口碑：3 列引用卡 */
.reviews-clay-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.review-clay-card {
  background: var(--bg-clay);
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-shadow-card);
  padding: 32px;
  border: 1px solid rgba(82, 183, 136, 0.15);
}

.review-quote-text {
  font-size: 0.98rem;
  color: var(--text-sub);
  line-height: 1.6;
  margin-bottom: 24px;
}

.reviewer-meta-box {
  display: flex;
  align-items: center;
  gap: 14px;
}

.reviewer-avatar-clay {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--forest-dark), var(--forest-green));
  border-radius: 14px;
  box-shadow: var(--clay-shadow-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #FFFFFF;
}

.reviewer-name {
  font-size: 0.98rem;
  font-weight: 800;
}

.reviewer-title {
  font-size: 0.8rem;
  color: var(--earth-sand);
}

/* 12. FAQ：手风琴 */
.faq-clay-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-clay-item {
  background: var(--bg-clay);
  border-radius: var(--clay-radius-md);
  box-shadow: var(--clay-shadow-card);
  border: 1px solid rgba(82, 183, 136, 0.15);
}

.faq-header-bar {
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-q-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
}

.faq-toggle-ico {
  font-size: 1.25rem;
  color: var(--forest-mint);
  font-family: var(--font-pixel);
  transition: transform 0.25s ease;
}

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

.faq-body-panel {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-clay-item.active .faq-body-panel {
  padding: 0 24px 20px;
  max-height: 300px;
}

.faq-a-content {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.65;
  border-top: 1px solid rgba(82, 183, 136, 0.15);
  padding-top: 14px;
}

/* 13. 收口：居中价值句 + 主次CTA */
.closing-clay-section {
  text-align: center;
  padding: 100px 0;
  background: radial-gradient(circle at center, rgba(64, 145, 108, 0.2) 0%, rgba(16, 21, 17, 1) 70%);
  border-top: 1px solid rgba(82, 183, 136, 0.2);
}

.closing-h2 {
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing-desc-p {
  font-size: 1.15rem;
  color: var(--text-sub);
  max-width: 640px;
  margin: 0 auto 36px;
}

.closing-cta-pair {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.closing-clay-frame {
  max-width: 760px;
  margin: 0 auto;
  border-radius: var(--clay-radius-lg);
  box-shadow: var(--clay-shadow-card);
  overflow: hidden;
  border: 1px solid rgba(82, 183, 136, 0.25);
}

.closing-clay-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* 14. 页脚 */
.site-footer {
  background: #0C100D;
  border-top: 1px solid rgba(82, 183, 136, 0.2);
  padding: 60px 0 30px;
}

.footer-clay-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

.footer-bio-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 16px;
}

.footer-col-title {
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--text-main);
  text-transform: uppercase;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

.footer-links-list {
  list-style: none;
}

.footer-links-list li {
  margin-bottom: 10px;
}

.footer-links-list a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.15s ease;
}

.footer-links-list a:hover {
  color: var(--forest-mint);
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 子页面独立头部 */
.page-head-block {
  padding: 60px 0 40px;
  background: linear-gradient(180deg, rgba(27, 67, 50, 0.25) 0%, rgba(16, 21, 17, 0) 100%);
  border-bottom: 1px solid rgba(82, 183, 136, 0.15);
}

.page-title {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.page-subtitle {
  font-size: 1.15rem;
  color: var(--text-sub);
  max-width: 720px;
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .features-grid-3x2,
  .pricing-clay-grid,
  .downloads-clay-grid,
  .reviews-clay-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-clay-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .proof-a-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-h1 {
    font-size: 2.3rem;
  }
  .hero-h1 .gradient-earth {
    font-size: 1.5rem;
  }
  .features-grid-3x2,
  .pricing-clay-grid,
  .downloads-clay-grid,
  .reviews-clay-grid,
  .nodes-clay-list,
  .trust-kpi-grid {
    grid-template-columns: 1fr;
  }
  .footer-clay-grid {
    grid-template-columns: 1fr;
  }
  .compare-clay-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .tab-content-panel.active {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
  }
}