/* ==========================================================================
   CommandCenter — 暗黑指挥中心设计系统
   三层表面系统: background #0d1117 / surface-1 #161b22 / surface-2 #1c2128
   ========================================================================== */

:root {
  --bg: #0d1117;
  --surface-1: #161b22;
  --surface-2: #1c2128;
  --surface-2-bright: #262d38;
  --border: #21262d;
  --border-soft: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-tertiary: #484f58;
  --text-body: #c9d1d9;
  --accent: #00e5a0;
  --danger: #f85149;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'SF Mono', Consolas, Menlo, monospace;
  --radius: 6px;
  --radius-sm: 4px;
  --maxw: 1200px;
  --maxw-wide: 1400px;
  --nav-h: 56px;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

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

/* ==========================================================================
   导航栏
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo .dot {
  width: 9px; height: 9px;
  background: var(--accent);
  border-radius: 2px;
  display: inline-block;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  display: inline-block;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 400;
  color: var(--text-secondary);
  border-radius: var(--radius);
  transition: color 150ms ease-out, background 150ms ease-out;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active {
  color: var(--text-primary);
  position: relative;
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 12px; right: 12px; bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.nav-cta {
  white-space: nowrap;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 38px; height: 34px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 16px; height: 1.5px;
  background: var(--text-secondary);
  transition: all 200ms ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* 移动端抽屉 */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--surface-1);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 12px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .nav-links a.active::after { display: none; }
  .nav-cta { display: none; }
}

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  transition: filter 150ms ease-out, border-color 150ms ease-out, background 150ms ease-out;
  text-align: center;
  line-height: 1.2;
}
.btn-primary {
  background: var(--accent);
  color: #0d1117;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-soft);
  font-weight: 500;
}
.btn-ghost:hover { border-color: var(--text-secondary); background: rgba(230,237,243,0.05); }
.btn-lg { padding: 18px 40px; font-size: 18px; }
.btn-block { width: 100%; }

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,229,160,0.3);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 0;
  background: var(--bg);
  background-image: linear-gradient(to bottom, #0d1117 0%, #161b22 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.hero-proof {
  font-size: 14px;
  color: var(--text-secondary);
}
.hero-proof strong { color: var(--accent); font-family: var(--font-mono); font-weight: 700; }

/* Hero 右侧 UI 面板 */
.ui-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  animation: panelIn 600ms ease-out both;
}
@keyframes panelIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}
.ui-panel-head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
}
.ui-panel-head .tdot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-tertiary); }
.ui-panel-body { padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.ui-panel-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
  margin-bottom: 4px;
}

/* 工单行 */
.ticket-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-1);
}
.tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.tag-ok { background: rgba(0,229,160,0.12); color: var(--accent); }
.tag-danger { background: rgba(248,81,73,0.14); color: var(--danger); }
.tag-warn { background: rgba(240,136,62,0.14); color: #f0883e; }
.ticket-title { flex: 1; font-size: 13px; color: var(--text-primary); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ticket-ts { font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); white-space: nowrap; }

/* 看板 */
.kanban {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.kanban-col { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-1); padding: 8px; }
.kanban-head { font-size: 12px; font-weight: 500; color: var(--text-secondary); padding: 2px 4px 8px; }
.kanban-item {
  font-size: 12px;
  color: var(--text-body);
  padding: 7px 8px;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  border-left: 2px solid var(--accent);
}
.kanban-item.warn { border-left-color: #f0883e; }
.kanban-item.danger { border-left-color: var(--danger); }

/* 活动流 */
.activity {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.activity-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  position: relative;
}
.activity-item::before {
  content: '';
  position: absolute;
  left: 4px; top: 26px; bottom: -8px;
  width: 1px;
  background: var(--border);
}
.activity-item:last-child::before { display: none; }
.activity-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 4px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.activity-item .a-ts { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); white-space: nowrap; }
.activity-item .a-txt { font-size: 12px; color: var(--text-body); line-height: 1.4; }
.activity-item .a-user { color: var(--text-secondary); }

.avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* ==========================================================================
   通用区块
   ========================================================================== */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section-head h2 {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.section-head p { font-size: 16px; color: var(--text-secondary); }
.bg-surface-1 { background: var(--surface-1); }
.bg-surface-2 { background: var(--bg); }

/* 面包屑 */
.breadcrumb {
  padding: calc(var(--nav-h) + 28px) 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; color: var(--text-tertiary); }

.page-header {
  padding: 40px 0 48px;
}
.page-header h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.page-header .lead { font-size: 18px; color: var(--text-secondary); max-width: 680px; }
.page-header .eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}

/* ==========================================================================
   痛点列表
   ========================================================================== */
.pain-list { display: flex; flex-direction: column; }
.pain-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
  align-items: center;
}
.pain-row:nth-child(even) { background: var(--surface-2); }
.pain-row .pain-left {
  display: flex;
  gap: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--danger);
  align-items: flex-start;
}
.pain-row .pain-left .icon { color: var(--danger); font-size: 16px; line-height: 1.5; }
.pain-row .pain-title { font-size: 16px; color: var(--text-secondary); font-weight: 400; }
.pain-row .pain-desc { font-size: 14px; color: var(--text-tertiary); }
.pain-more { color: var(--accent); font-size: 13px; font-weight: 500; }
.pain-more:hover { text-decoration: underline; }
.pain-transition {
  text-align: center;
  padding: 40px 0 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ==========================================================================
   能力对照表
   ========================================================================== */
.cap-table { display: flex; flex-direction: column; gap: 12px; }
.cap-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: stretch;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: background 200ms ease;
}
.cap-row:hover { background: var(--surface-2); }
.cap-pain {
  display: flex;
  gap: 10px;
  padding: 18px 16px;
  border-left: 2px solid var(--danger);
  align-items: flex-start;
  background: transparent;
}
.cap-pain .txt { font-size: 15px; color: var(--text-secondary); }
.cap-arrow {
  display: flex;
  align-items: center;
  color: var(--accent);
  font-size: 16px;
  font-weight: 600;
  padding: 0 4px;
}
.cap-sol {
  display: flex;
  gap: 10px;
  padding: 18px 16px;
  border-left: 2px solid var(--accent);
  background: var(--surface-2);
  align-items: flex-start;
  transition: border-width 200ms ease, background 200ms ease;
}
.cap-row:hover .cap-sol { border-left-width: 4px; background: var(--surface-2-bright); }
.cap-sol .txt { font-size: 15px; font-weight: 500; color: var(--text-primary); }

/* ==========================================================================
   时间线
   ========================================================================== */
.timeline { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 16px; align-items: stretch; }
.step-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  overflow: hidden;
}
.step-card .num {
  position: absolute;
  top: 12px; right: 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 48px;
  color: var(--accent);
  opacity: 0.15;
  line-height: 1;
}
.step-card h3 { font-size: 20px; font-weight: 600; color: var(--text-primary); margin-bottom: 10px; letter-spacing: -0.01em; }
.step-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.step-arrow {
  display: flex;
  align-items: center;
  color: var(--accent);
  font-size: 22px;
  opacity: 0.4;
}

/* ==========================================================================
   社会证明
   ========================================================================== */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 48px; }
.quote-card {
  background: var(--surface-1);
  border-left: 2px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px;
}
.quote-card blockquote {
  font-size: 16px;
  font-style: italic;
  color: var(--text-body);
  line-height: 1.5;
  margin-bottom: 16px;
}
.quote-author { display: flex; align-items: center; gap: 10px; }
.quote-author .meta .name { font-size: 13px; color: var(--text-secondary); }
.quote-author .meta .role { font-size: 12px; color: var(--text-tertiary); }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
  text-align: center;
}
.metric .val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 40px;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.metric .lbl { font-size: 14px; color: var(--text-secondary); margin-top: 8px; }

.logo-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: center;
  opacity: 0.7;
}
.logo-strip .logo-item {
  filter: grayscale(100%) brightness(0.7);
  text-align: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
  padding: 12px;
}

/* ==========================================================================
   定价对比表
   ========================================================================== */
.pricing-table-wrap { overflow-x: auto; margin-bottom: 56px; border-radius: var(--radius); }
.pricing-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.pricing-table th, .pricing-table td {
  padding: 12px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.pricing-table thead th {
  background: var(--surface-2);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 14px;
}
.pricing-table thead th:first-child { text-align: left; }
.pricing-table tbody th {
  text-align: left;
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 14px;
}
.pricing-table tbody tr:nth-child(odd) { background: var(--surface-1); }
.pricing-table tbody tr:nth-child(even) { background: var(--bg); }
.pricing-table .plan-name { font-weight: 600; color: var(--text-primary); font-size: 15px; }
.pricing-table .plan-price { font-family: var(--font-mono); font-weight: 700; font-size: 15px; color: var(--text-primary); }
.pricing-table .plan-price small { font-weight: 400; font-size: 12px; color: var(--text-secondary); }
.pricing-table .col-recommended { border-left: 1px solid var(--accent); }
.check { color: var(--accent); font-weight: 700; }
.missing { color: var(--text-tertiary); }
.rec-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

/* 套餐卡 */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 200ms ease;
  position: relative;
}
.plan-card:hover { border-color: var(--accent); }
.plan-card.recommended { border-left: 1px solid var(--accent); }
.plan-card .pop {
  position: absolute;
  top: -11px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0d1117;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  white-space: nowrap;
}
.plan-card h3 { font-size: 20px; font-weight: 600; color: var(--text-primary); margin-bottom: 12px; }
.plan-card .price { font-family: var(--font-mono); font-weight: 700; font-size: 36px; color: var(--text-primary); margin-bottom: 4px; }
.plan-card .price .per { font-family: var(--font-sans); font-size: 14px; font-weight: 400; color: var(--text-secondary); }
.plan-card .price-desc { font-size: 13px; color: var(--text-tertiary); margin-bottom: 20px; }
.plan-card ul { list-style: none; margin-bottom: 24px; flex: 1; }
.plan-card ul li {
  font-size: 14px;
  color: var(--text-body);
  padding: 7px 0;
  display: flex;
  gap: 9px;
  align-items: flex-start;
}
.plan-card ul li .chk { color: var(--accent); font-size: 12px; line-height: 1.5; flex-shrink: 0; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: none;
  border: none;
  text-align: left;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
}
.faq-q .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.faq-q .q-text { flex: 1; }
.faq-q .icon { color: var(--accent); font-size: 18px; transition: transform 300ms ease-in-out; }
.faq-item.open .faq-q .icon { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease-in-out;
}
.faq-a-inner {
  padding: 0 20px 20px 38px;
  background: var(--surface-2);
  border-radius: var(--radius);
  margin: 0 0 16px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}
.faq-transition { text-align: center; margin-top: 32px; font-size: 16px; color: var(--text-secondary); }

/* ==========================================================================
   最终 CTA
   ========================================================================== */
.final-cta {
  position: relative;
  background: var(--surface-1);
  padding: 120px 0;
  text-align: center;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 720px; height: 720px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0,229,160,0.05) 0%, rgba(0,229,160,0) 70%);
  pointer-events: none;
}
.final-cta h2 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 18px;
  position: relative;
}
.final-cta .sub {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  position: relative;
}
.final-cta .note {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 16px;
  position: relative;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--text-tertiary);
  transition: color 150ms;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-tertiary);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ==========================================================================
   列表页卡片
   ========================================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.entry-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 200ms ease;
}
.entry-card:hover { border-color: var(--accent); }
.entry-card .cat {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}
.entry-card h3 { font-size: 18px; font-weight: 600; color: var(--text-primary); line-height: 1.3; }
.entry-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.entry-card .meta { font-size: 12px; color: var(--text-tertiary); font-family: var(--font-mono); }
.entry-card .link {
  margin-top: auto;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
}
.entry-card .link:hover { text-decoration: underline; }

/* ==========================================================================
   详情页
   ========================================================================== */
.detail { max-width: 760px; margin: 0 auto; }
.detail .meta {
  font-size: 13px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  margin-bottom: 24px;
}
.detail h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 12px;
  letter-spacing: -0.01em;
}
.detail h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 10px;
}
.detail p {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 16px;
}
.detail ul, .detail ol {
  margin: 0 0 16px 20px;
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.7;
}
.detail ul li, .detail ol li { margin-bottom: 8px; }
.detail blockquote {
  border-left: 2px solid var(--accent);
  background: var(--surface-1);
  padding: 16px 20px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-style: italic;
  margin: 20px 0;
}
.detail .key-points {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}
.detail .key-point {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  align-items: flex-start;
}
.detail .key-point .ic { color: var(--accent); font-size: 16px; }
.detail .key-point strong { display: block; color: var(--text-primary); font-size: 15px; margin-bottom: 4px; }
.detail .key-point span { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.back-link:hover { color: var(--accent); }

/* ==========================================================================
   表单
   ========================================================================== */
.form-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 7px;
}
.form-group label .req { color: var(--accent); }
.form-control {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 14px;
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color 150ms;
}
.form-control::placeholder { color: var(--text-tertiary); }
.form-control:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(0,229,160,0.3); }
.form-control.error { border-color: var(--danger); }
.form-hint { font-size: 12px; color: var(--text-tertiary); margin-top: 5px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 5px; display: none; }
.form-control.error + .form-error { display: block; }
.form-success {
  display: none;
  background: rgba(0,229,160,0.1);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14px;
  margin-bottom: 20px;
}
.form-success.show { display: block; }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { appearance: none; }

/* ==========================================================================
   滚动渐显动画
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 100ms; }
.reveal.d2 { transition-delay: 200ms; }
.reveal.d3 { transition-delay: 300ms; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 34px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 28px; }
  .quotes { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .logo-strip { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr; }
  .step-arrow { transform: rotate(90deg); justify-content: center; }
  .plans { grid-template-columns: 1fr; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .pain-row { grid-template-columns: 1fr; gap: 8px; }
  .cap-row { grid-template-columns: 1fr; }
  .cap-arrow { transform: rotate(90deg); justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 30px; }
  .final-cta h2 { font-size: 30px; }
}