/* ==========================================================================
   Clash Verge 官方网站 - 轻量静态站样式表 (Lightweight Fast Static Site Theme)
   ========================================================================== */

:root {
  --bg-body: #0a0e17;
  --bg-card: #111827;
  --bg-card-hover: #1f2937;
  --bg-nav: rgba(10, 14, 23, 0.95);
  --border-subtle: #1f2937;
  --border-focus: #10b981;
  --primary: #10b981;
  --primary-hover: #059669;
  --primary-light: #34d399;
  --accent-cyan: #06b6d4;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dark: #6b7280;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1180px;
  --transition: all 0.2s ease-in-out;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-body);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-body);
  background-image: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
}

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

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Fast Info Ribbon */
.top-notice-bar {
  background: #064e3b;
  color: #a7f3d0;
  font-size: 0.82rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(16, 185, 129, 0.3);
}

.notice-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.notice-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: #064e3b;
  border-radius: var(--radius-sm);
  font-weight: 900;
  font-size: 1.05rem;
}

.brand-accent {
  color: var(--primary-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-item {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.35rem 0;
  position: relative;
}

.nav-item:hover,
.nav-item.active {
  color: #ffffff;
}

.nav-item.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.4rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #064e3b;
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.btn-sm {
  padding: 0.4rem 0.95rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: 1.05rem;
}

/* Hero */
.hero-section {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--primary-light);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.25rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-highlight {
  color: var(--primary-light);
}

.hero-desc {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.hero-desc strong {
  color: #ffffff;
}

.hero-card-preview {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

.preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: #0d131f;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-dark);
}

/* Stats Endorsement */
.endorsement-bar {
  padding: 2.25rem 0;
  background: #0d131f;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat-item {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-light);
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--text-dark);
}

/* Common Section */
.section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-light);
  background: rgba(16, 185, 129, 0.1);
  padding: 0.2rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Grid Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: var(--transition);
}

.feature-box:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.box-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.12);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.box-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.box-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.box-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.5rem;
}

.tag-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  background: #1f2937;
  color: var(--text-dark);
}

/* Showcase Row */
.row-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3.5rem;
}

.row-showcase.reverse {
  grid-template-columns: 1fr 1fr;
}

.row-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
}

.row-content p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.fast-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.fast-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.fast-item svg {
  color: var(--primary-light);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Platform Cards */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.platform-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.6rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition);
}

.platform-box:hover {
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.platform-icon {
  font-size: 1.6rem;
}

.platform-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.platform-desc {
  font-size: 0.8rem;
  color: var(--text-dark);
}

/* FAQ Grid */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  max-width: 1040px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.faq-q {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.q-dot {
  color: var(--primary-light);
}

.faq-a {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* CTA */
.cta-box {
  background: linear-gradient(135deg, #064e3b 0%, #111827 100%);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
}

.cta-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.cta-desc {
  font-size: 1.05rem;
  color: #d1fae5;
  max-width: 600px;
  margin: 0 auto 1.75rem;
}

/* Inner Page Hero */
.inner-hero {
  padding: 4rem 0 3rem;
  text-align: center;
  background: #0d131f;
  border-bottom: 1px solid var(--border-subtle);
}

.inner-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.inner-hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

/* Download Grid */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.dl-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.dl-item.highlight {
  border-color: var(--primary);
}

.dl-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary);
  color: #064e3b;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.dl-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.25rem;
}

.dl-icon {
  font-size: 1.5rem;
}

.dl-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
}

.dl-sub {
  font-size: 0.8rem;
  color: var(--text-dark);
}

.dl-specs {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.dl-spec-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: #0d131f;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.dl-spec-k { color: var(--text-muted); }
.dl-spec-v { color: #ffffff; font-weight: 600; font-family: var(--font-mono); }

.dl-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* Steps List */
.step-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.step-card {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  transition: var(--transition);
}

.step-card:hover {
  border-color: var(--border-focus);
}

.step-num {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
}

.step-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.step-body p {
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.85rem;
}

.step-img-wrap {
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.code-snippet {
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-top: 0.65rem;
}

/* Compare Table */
.table-wrapper {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.fast-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.fast-table th, .fast-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.fast-table th {
  background: #0d131f;
  color: #ffffff;
  font-weight: 700;
}

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

.text-success { color: var(--primary-light); font-weight: 600; }
.text-dimmed { color: var(--text-dark); }

/* Footer */
.site-footer {
  margin-top: auto;
  background: #080c14;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-info p {
  color: var(--text-dark);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-list a {
  color: var(--text-dark);
}

.footer-links-list a:hover {
  color: var(--primary-light);
}

.footer-bottom-bar {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-dark);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(3, 1fr); }
  .dl-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-layout { grid-template-columns: 1fr repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #0a0e17;
    flex-direction: column;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-subtle);
    gap: 0.85rem;
  }
  .nav-links.active { display: flex; }
  .hero-title { font-size: 2.25rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
  .row-showcase, .row-showcase.reverse { grid-template-columns: 1fr; gap: 1.5rem; }
  .step-card { grid-template-columns: 1fr; gap: 0.85rem; }
  .step-num { width: 40px; height: 40px; font-size: 1.1rem; }
  .footer-layout { grid-template-columns: 1fr; }
  .footer-bottom-bar { flex-direction: column; text-align: center; }
}