/* ============================================================
   V2Ray for Windows — 主页专属样式
   Hero 窗口卡 / 特性索引卡 / 特性章节 / 快速上手 / 平台网格 / 信任背书 / 博客预览
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 56px;
  background: linear-gradient(135deg, rgba(11, 122, 69, 0.04) 0%, rgba(14, 147, 132, 0.06) 40%, rgba(11, 122, 69, 0.03) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-left {
  min-width: 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-soft);
  margin-bottom: 20px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
  animation: hero-pulse 2s ease-in-out infinite;
}

@keyframes hero-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-left h1 {
  margin-bottom: 20px;
}

.hero-left h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 36em;
  margin-bottom: 24px;
}

.hero-desc strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- Hero 窗口卡 ---------- */
.hero-right {
  position: relative;
  min-width: 0;
}

.window-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  max-width: 560px;
  margin-left: auto;
}

.window-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-panel-2);
  border-bottom: 1px solid var(--border);
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
  flex-shrink: 0;
}

.window-title {
  margin-left: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.window-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}

.window-body {
  display: grid;
  grid-template-columns: 160px 1fr;
  min-height: 220px;
}

.window-sidebar {
  background: var(--bg);
  border-right: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.sidebar-group.is-active {
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 600;
}

.sidebar-group:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.sidebar-group .group-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.sidebar-group .group-count {
  font-size: 12px;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.window-main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-height: 44px;
}

.setting-label {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
}

.setting-value {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.toggle {
  position: relative;
  width: 38px;
  height: 22px;
  border-radius: var(--radius-pill);
  background: var(--border-strong);
  transition: background var(--transition);
  flex-shrink: 0;
}

.toggle.is-on {
  background: var(--accent);
}

.toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(24, 39, 31, 0.2);
  transition: left var(--transition);
}

.toggle.is-on .toggle-knob {
  left: 19px;
}

/* 内核浮卡 */
.kernel-float {
  position: absolute;
  top: -20px;
  right: -16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-float);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  transform: rotate(2deg);
}

.kernel-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kernel-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: var(--radius-pill);
}

/* ---------- 特性区 ---------- */
.features {
  padding: 80px 0;
}

.feature-index-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}

.feature-index-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  min-width: 0;
}

.feature-index-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.feature-index-card svg {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex-shrink: 0;
}

.feature-index-card span {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.feature-chapter {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.feature-chapter:first-of-type {
  border-top: none;
}

.feature-chapter-text {
  min-width: 0;
}

.feature-chapter-text .chapter-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.feature-chapter-text h2 {
  margin-bottom: 16px;
}

.feature-chapter-text p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.feature-chapter-visual {
  min-width: 0;
}

/* 迷你面板 */
.mini-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  max-width: 360px;
  margin: 0 auto;
}

.mini-panel-head {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-panel-2);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

.mini-panel-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mini-row {
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

/* ---------- 快速上手 ---------- */
.quickstart {
  padding: 0 0 80px;
}

.quickstart-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 40px;
}

.quickstart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.quickstart-head h2 {
  margin-bottom: 0;
}

.quickstart-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  transition: color var(--transition);
}

.quickstart-link:hover {
  color: var(--accent-dark);
}

.quickstart-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.quickstep {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.quickstep-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 16px;
}

.quickstep h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.quickstep p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ---------- 下载入口 ---------- */
.download-section {
  padding: 80px 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.download-section h2 {
  margin-bottom: 8px;
}

.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  min-width: 0;
}

.platform-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.platform-card svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
  flex-shrink: 0;
}

.platform-card h3 {
  font-size: 18px;
  margin-bottom: 0;
}

.platform-card p {
  font-size: 14px;
  color: var(--text-muted);
}

.platform-arrow {
  margin-top: auto;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
}

.download-section-foot {
  margin-top: 32px;
  text-align: center;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--accent);
  transition: color var(--transition);
}

.text-link:hover {
  color: var(--accent-dark);
}

/* ---------- 信任背书 ---------- */
.trust-section {
  padding: 80px 0;
}

.trust-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px;
}

.trust-card h2 {
  margin-bottom: 32px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.trust-grid h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

.trust-grid p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* ---------- 博客预览 ---------- */
.blog-preview {
  padding: 80px 0;
}

.blog-preview h2 {
  margin-bottom: 32px;
}

.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.blog-preview-foot {
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .feature-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .window-card {
    max-width: 100%;
    margin-left: 0;
  }

  .kernel-float {
    right: 8px;
    top: -16px;
  }

  .feature-chapter {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feature-chapter-visual {
    order: -1;
  }

  .quickstart-steps {
    grid-template-columns: 1fr;
  }

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

  .blog-preview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 48px 0 40px;
  }

  .kernel-float {
    display: none;
  }

  .features {
    padding: 56px 0;
  }

  .quickstart {
    padding-bottom: 56px;
  }

  .quickstart-card {
    padding: 24px;
  }

  .download-section {
    padding: 56px 0;
  }

  .trust-section {
    padding: 56px 0;
  }

  .trust-card {
    padding: 24px;
  }

  .blog-preview {
    padding: 56px 0;
  }

  .feature-index-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .hero-actions .btn {
    width: 100%;
  }

  .quickstart-head {
    flex-direction: column;
    align-items: flex-start;
  }
}