/* ══════════════════════════════════════════════
   prices.css — 蓝易云 CDN 套餐页专属样式
   v3 — Tab居中+促销标签+年付优惠标签+黑色字体+描述居中
   ══════════════════════════════════════════════ */

/* ── 定价工具栏（居中布局） ── */
.pricing-toolbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

/* ── 产品线 Tab（居中 + 胶囊风格 + 黑色字体） ── */
.price-tabs {
  display: inline-flex;
  gap: 0;
  background: #f1f5f9;
  border-radius: 14px;
  padding: 5px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.price-tab {
  padding: 11px 28px;
  font-size: 15px;
  font-weight: 700;
  color: #1e293b;
  background: transparent;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  position: relative;
  letter-spacing: 0.2px;
}

.price-tab:hover {
  color: #0f172a;
  background: rgba(255,255,255,0.7);
}

.price-tab.is-active {
  color: #fff;
  background: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35), 0 1px 3px rgba(37, 99, 235, 0.2);
  transform: translateY(-1px);
}

.price-tab.is-active:hover {
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.4), 0 2px 4px rgba(37, 99, 235, 0.25);
}

/* ── Tab 内促销标签 ── */
.tab-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 6px;
  margin-left: 6px;
  vertical-align: middle;
  line-height: 1.4;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.tab-badge-hot {
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: #fff;
}

.tab-badge-new {
  background: linear-gradient(135deg, #059669, #10b981);
  color: #fff;
}

.tab-badge-save {
  background: linear-gradient(135deg, #7c3aed, #a78bfa);
  color: #fff;
}

/* 选中状态下标签样式微调 */
.price-tab.is-active .tab-badge-hot,
.price-tab.is-active .tab-badge-new,
.price-tab.is-active .tab-badge-save {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

/* ── 计费周期切换（Tab 下方居中 + 黑色字体） ── */
.billing-seg {
  display: inline-flex;
  gap: 0;
  background: #f1f5f9;
  border-radius: 10px;
  padding: 4px;
  border: 1px solid #e2e8f0;
  position: relative;
}

.billing-seg button {
  padding: 8px 24px;
  font-size: 13px;
  font-weight: 700;
  color: #1e293b;
  background: transparent;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.3px;
  position: relative;
}

.billing-seg button:hover {
  color: #0f172a;
  background: rgba(255,255,255,0.8);
}

.billing-seg button.is-active {
  color: #2563eb;
  background: #fff;
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.15), 0 0 0 1px rgba(37, 99, 235, 0.1);
  font-weight: 800;
}

/* ── 年付优惠标签 ── */
.billing-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 5px;
  margin-left: 6px;
  vertical-align: middle;
  line-height: 1.5;
  background: #ef4444;
  color: #fff;
  letter-spacing: 0.4px;
  white-space: nowrap;
  text-shadow: 0 1px 1px rgba(0,0,0,0.15);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── 产品线面板 ── */
.price-line-panel {
  display: none;
}

.price-line-panel.is-active {
  display: block;
}

/* ── 产品线标题区（居中） ── */
.line-region-hd {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.line-region-hd h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--c-text, #111827);
  margin: 0;
}

.lr-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--r-full, 999px);
  background: #eff6ff;
  color: #2563eb;
  white-space: nowrap;
}

.lr-chip.lr-green {
  background: #ecfdf5;
  color: #059669;
}

.lr-chip.lr-red {
  background: #fef2f2;
  color: #dc2626;
}

/* ── 产品线描述（居中） ── */
.line-desc {
  font-size: 14px;
  color: var(--c-text2, #6b7280);
  line-height: 1.7;
  margin-bottom: 24px;
  text-align: center;
}

/* ── 套餐卡片网格 v2（一行6列） ── */
.price-grid-v2 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 32px;
}

.price-card-v2 {
  background: var(--c-white, #fff);
  border: 1px solid var(--c-border, #e5e7eb);
  border-radius: var(--r-lg, 12px);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.25s, box-shadow 0.25s;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.price-card-v2:hover {
  border-color: var(--c-brand2, #2563eb);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.15), 0 4px 8px rgba(37, 99, 235, 0.08);
}

.price-card-v2 h3 {
  font-size: 15px;
  font-weight: 800;
  color: var(--c-text, #111827);
  margin: 0;
  line-height: 1.3;
}

.price-card-v2 .traffic {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-brand2, #2563eb);
  background: #eff6ff;
  padding: 3px 10px;
  border-radius: var(--r-full, 999px);
  width: fit-content;
}

.price-amount {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.price-amount .sym {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-text, #111827);
}

.price-amount .num {
  font-size: 30px;
  font-weight: 900;
  color: var(--c-text, #111827);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.price-amount .per {
  font-size: 12px;
  font-weight: 500;
  color: var(--c-text2, #6b7280);
  margin-left: 3px;
}

/* ── 特性列表 ── */
.pv2-feat {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
  flex: 1;
}

.pv2-feat li {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--c-text, #111827);
  line-height: 1.45;
}

.pv2-feat .tick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  min-width: 16px;
  border-radius: 50%;
  background: #ecfdf5;
  color: #059669;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── 卡片底部双按钮 ── */
.pv2-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  padding-top: 6px;
}

.pv2-actions .btn {
  display: block;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}

.pv2-actions .btn-primary {
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 8px;
}

.pv2-actions .btn-ghost {
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 8px;
  color: #1e293b;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  text-decoration: none;
  transition: all 0.2s;
}

.pv2-actions .btn-ghost:hover {
  color: #2563eb;
  background: #eff6ff;
  border-color: #bfdbfe;
}

/* ── 对比表格标题 ── */
.pricing-spec-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text, #111827);
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-spec-title svg {
  width: 20px;
  height: 20px;
  color: var(--c-brand2, #2563eb);
}

/* ── 对比表格容器 ── */
.pricing-tbl {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 12px;
  border: 1px solid var(--c-border, #e5e7eb);
  border-radius: var(--r-lg, 12px);
}

.pricing-tbl .cmp-table {
  min-width: 720px;
}

/* ── 免责声明 ── */
.pricing-disclaimer {
  text-align: center;
  color: var(--c-muted, #9ca3af);
  font-size: 13px;
  margin-top: 12px;
  line-height: 1.6;
}

/* ── Hero comparison card ── */
@keyframes hcBlink { 0%,100%{opacity:1} 50%{opacity:.2} }
.hc-wrap{display:flex;flex-direction:column;gap:10px}
.hc-header{display:flex;align-items:center;justify-content:space-between;padding:0 0 2px}
.hc-header-left{display:flex;flex-direction:column;gap:2px}
.hc-kicker{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#3b82f6}
.hc-title{font-size:15px;font-weight:800;color:var(--c-text);line-height:1.2}
.hc-badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:4px 10px;border-radius:20px;background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.hc-badge-dot{width:6px;height:6px;border-radius:50%;background:#10b981;box-shadow:0 0 6px rgba(16,185,129,.5);animation:hcBlink 1.6s infinite}
.hc-cmp{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hc-col{border-radius:var(--r-lg);border:1px solid var(--c-border);overflow:hidden;background:var(--c-white)}
.hc-col-hd{padding:9px 12px;display:flex;align-items:center;gap:6px;font-size:11px;font-weight:800;border-bottom:1px solid var(--c-border)}
.hc-col--on .hc-col-hd{background:#f0fdf4;color:#065f46}
.hc-col--off .hc-col-hd{background:#fff1f2;color:#9f1239}
.hc-col-hd svg{width:13px;height:13px;flex-shrink:0}
.hc-rows{padding:4px 0}
.hc-row{display:flex;align-items:center;justify-content:space-between;padding:5px 12px;font-size:11.5px;line-height:1.4;gap:6px}
.hc-row-lbl{color:var(--c-text2);font-weight:500;flex-shrink:0}
.hc-row-val{font-weight:700;font-variant-numeric:tabular-nums;text-align:right}
.hc-col--on .hc-row-val{color:#047857}
.hc-col--off .hc-row-val{color:#b91c1c}
.hc-divider{height:1px;background:var(--c-border);margin:2px 12px}
.hc-tag{font-size:9px;font-weight:800;padding:1px 6px;border-radius:var(--r-full);white-space:nowrap}
.hc-tag-g{background:#d1fae5;color:#065f46}
.hc-tag-r{background:#fee2e2;color:#9f1239}
.hc-tag-b{background:#dbeafe;color:#1e40af}
.hc-lat{display:flex;align-items:center;gap:4px}
.hc-lat-v{font-size:15px;font-weight:900;font-variant-numeric:tabular-nums}
.hc-note{font-size:10.5px;color:var(--c-text2);line-height:1.5;font-weight:500;text-align:center;padding:0 4px}
.hc-feat-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hc-feat{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:var(--r-lg);border:1px solid var(--c-border);background:var(--c-white);position:relative;overflow:hidden;transition:box-shadow .2s}
.hc-feat:hover{box-shadow:0 2px 12px rgba(0,0,0,.06)}
.hc-feat::before{content:'';position:absolute;top:0;left:0;right:0;height:2.5px}
.hc-feat--on::before{background:linear-gradient(90deg,#2563eb,#60a5fa)}
.hc-feat--plan::before{background:linear-gradient(90deg,#f59e0b,#fbbf24)}
.hc-feat-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hc-feat--on .hc-feat-icon{background:#eff6ff;color:#2563eb}
.hc-feat--plan .hc-feat-icon{background:#fffbeb;color:#d97706}
.hc-feat-icon svg{width:18px;height:18px}
.hc-feat-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.hc-feat-title{font-size:12px;font-weight:800;color:var(--c-text);line-height:1.3;display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.hc-feat-badge{display:inline-flex;align-items:center;gap:3px;font-size:9px;font-weight:800;padding:1px 6px;border-radius:var(--r-full);letter-spacing:.3px;white-space:nowrap;flex-shrink:0}
.hc-feat--on .hc-feat-badge{background:#dbeafe;color:#1d4ed8}
.hc-feat--plan .hc-feat-badge{background:#fef3c7;color:#92400e}
.hc-feat-badge-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}
.hc-feat--on .hc-feat-badge-dot{background:#2563eb;animation:hcBlink 1.8s infinite}
.hc-feat--plan .hc-feat-badge-dot{background:#d97706;animation:hcBlink 2.4s infinite}
.hc-feat-desc{font-size:10.5px;font-weight:500;color:var(--c-text2);line-height:1.45}

/* ── 按量付费 Banner ── */
.payg-banner{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--c-brand-bd, #bfdbfe);border-radius:var(--r-2xl, 20px);overflow:hidden;background:linear-gradient(135deg,#eff6ff 0%,var(--c-white, #fff) 50%,#f0f9ff 100%);box-shadow:0 0 0 4px rgba(59,130,246,.06),var(--s-md, 0 4px 12px rgba(0,0,0,.06))}
.payg-left{padding:36px 40px;display:flex;flex-direction:column;gap:20px;border-right:1px solid var(--c-border, #e5e7eb)}
.payg-right{padding:36px 40px;display:flex;flex-direction:column;gap:16px}
.payg-price{display:flex;align-items:baseline;gap:6px}
.payg-price strong{font-size:48px;font-weight:800;color:var(--c-brand2, #2563eb);line-height:1}
.payg-price em{font-size:15px;font-style:normal;color:var(--c-muted, #9ca3af);font-weight:500}
.payg-badge{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:var(--r-full, 999px);background:#059669;color:#fff;font-size:12px;font-weight:700;width:fit-content}
.payg-specs{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.payg-spec{padding:10px 14px;border-radius:var(--r-md, 8px);background:var(--c-white, #fff);border:1px solid var(--c-border, #e5e7eb)}
.payg-spec strong{display:block;font-size:18px;font-weight:800;color:var(--c-brand2, #2563eb);margin-bottom:2px}
.payg-spec span{font-size:12px;color:var(--c-muted, #9ca3af)}
.payg-note{font-size:12px;color:var(--c-muted, #9ca3af);line-height:1.6;background:var(--c-white, #fff);border:1px solid var(--c-border, #e5e7eb);border-radius:var(--r-md, 8px);padding:10px 14px}
.payg-tbl{width:100%;border-collapse:collapse;font-size:13px}
.payg-tbl th{text-align:left;padding:8px 12px;background:var(--c-white, #fff);border:1px solid var(--c-border, #e5e7eb);font-weight:600;color:var(--c-text2, #6b7280)}
.payg-tbl td{padding:8px 12px;border:1px solid var(--c-border, #e5e7eb);color:var(--c-text, #111827)}
.payg-tbl tr:last-child td{font-weight:700;color:var(--c-brand2, #2563eb)}
.payg-right h3{font-size:17px;font-weight:700;margin-bottom:2px}
.payg-right>p{font-size:13px;color:var(--c-muted, #9ca3af);line-height:1.6}
.payg-feats{display:flex;flex-wrap:wrap;gap:6px}
.payg-feat{padding:4px 10px;border-radius:var(--r-full, 999px);background:var(--c-white, #fff);border:1px solid var(--c-border, #e5e7eb);font-size:11px;font-weight:600;color:var(--c-text2, #6b7280)}

/* ── 传输加速技术 ── */
#network-tech-minimal{background:var(--c-white,#fff);padding:28px 0 12px 0;margin-bottom:0;position:relative;z-index:1}
.tech-header{text-align:center;margin-bottom:4px}
.tech-title-crisp{font-size:26px;font-weight:900;color:#111827;margin:0 0 6px 0;line-height:1.25;-webkit-font-smoothing:antialiased;letter-spacing:-0.3px}
.tech-subtitle{font-size:14px;color:#6b7280;font-weight:500;margin:0}

/* ══ 第一层：动态访问流程图（拉长版） ══ */
.flow-bar{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:0;
  padding:28px 0 24px;
  position:relative;
  overflow:visible;
}

/* ── 端点节点（用户/源站） ── */
.fb-endpoint{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  flex-shrink:0;
  z-index:2;
  width:80px;
}
.fb-ep-icon{
  width:52px;height:52px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  transition:box-shadow .3s;
}
.fb-ep-icon svg{width:24px;height:24px}
.fb-user .fb-ep-icon{
  background:linear-gradient(135deg,#eff6ff,#dbeafe);
  color:#2563eb;border:2px solid #bfdbfe;
  box-shadow:0 4px 16px rgba(59,130,246,.12);
}
.fb-origin .fb-ep-icon{
  background:linear-gradient(135deg,#ecfdf5,#d1fae5);
  color:#059669;border:2px solid #a7f3d0;
  box-shadow:0 4px 16px rgba(5,150,105,.12);
}
.fb-ep-info{display:flex;flex-direction:column;align-items:center;gap:1px}
.fb-ep-info strong{font-size:11px;font-weight:800;color:#111827}
.fb-ep-info span{font-size:9px;font-weight:500;color:#9ca3af}

/* ── 数据轨道 ── */
.fb-track{
  position:relative;
  width:140px;
  height:24px;
  flex-shrink:1;
  min-width:50px;
  display:flex;
  align-items:center;
}
.fb-track-line{
  position:absolute;
  top:50%;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,#bfdbfe,#60a5fa,#bfdbfe);
  transform:translateY(-50%);
  border-radius:2px;
}
.fb-track-label{
  position:absolute;
  top:calc(50% + 12px);left:50%;
  transform:translateX(-50%);
  font-size:10px;font-weight:700;
  color:#60a5fa;
  white-space:nowrap;
  background:var(--c-white,#fff);
  padding:0 6px;
}

/* ── 数据包动画 ── */
.fb-dot{
  position:absolute;
  width:6px;height:6px;
  border-radius:50%;
  background:#3b82f6;
  box-shadow:0 0 8px rgba(59,130,246,.7);
  top:50%;transform:translateY(-50%);
  opacity:0;
  animation:dotFlow 2s linear infinite;
}
.fb-dot-2{animation-delay:.65s}
.fb-dot-3{animation-delay:1.3s}
.fb-dot-5{animation-delay:1s}
@keyframes dotFlow{
  0%{left:0;opacity:0}
  8%{opacity:1}
  92%{opacity:1}
  100%{left:calc(100% - 6px);opacity:0}
}

/* ── CDN 核心节点（上4下4包裹布局） ── */
.fb-cdn-hub{
  position:relative;
  flex-shrink:0;
  z-index:2;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  max-width:620px;
}

/* ── 上下两行步骤 ── */
.fb-cdn-row{
  display:flex;
  gap:8px;
  justify-content:center;
  width:100%;
}

/* ── 步骤卡片 ── */
.fb-cdn-step{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:10px;
  background:#fff;
  border:1.5px solid #e2e8f0;
  flex:1;
  min-width:0;
  overflow:hidden;
  transition:border-color .3s, box-shadow .3s, background .3s;
  cursor:default;
  /* 修复字体清晰度 */
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  will-change:auto;
}
.fb-cdn-step:hover{
  border-color:#3b82f6;
  box-shadow:0 2px 12px rgba(59,130,246,.15);
}
.fb-cdn-step.is-lit{
  border-color:#3b82f6;
  background:#eff6ff;
  box-shadow:0 3px 16px rgba(59,130,246,.18);
}
.fb-step-num{
  width:24px;height:24px;min-width:24px;
  border-radius:50%;
  background:linear-gradient(135deg,#3b82f6,#60a5fa);
  color:#fff;
  font-size:12px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  line-height:1;
  flex-shrink:0;
}
.fb-step-body{
  display:flex;
  flex-direction:column;
  gap:1px;
  min-width:0;
}
.fb-step-body strong{
  font-size:13px;
  font-weight:800;
  color:#111827;
  white-space:nowrap;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
.fb-step-body span{
  font-size:11px;
  font-weight:500;
  color:#6b7280;
  white-space:nowrap;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

/* ── CDN 核心卡片（居中） ── */
.fb-cdn-core{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 28px;
  background:linear-gradient(135deg,#1e3a8a,#2563eb);
  border-radius:14px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 6px 24px rgba(37,99,235,.25);
  width:100%;
  box-sizing:border-box;
}
.fb-cdn-core-icon{
  width:40px;height:40px;min-width:40px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.15);
  border-radius:10px;
  flex-shrink:0;
}
.fb-cdn-core-icon svg{width:22px;height:22px}
.fb-cdn-core-text{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.fb-cdn-core-text strong{
  font-size:16px;
  font-weight:900;
  letter-spacing:.3px;
  -webkit-font-smoothing:antialiased;
}
.fb-cdn-core-text span{
  font-size:12px;
  font-weight:500;
  opacity:.8;
}

/* ── CDN内部数据流动画 ── */
.fb-cdn-flow{
  position:absolute;
  bottom:0;left:0;right:0;
  height:3px;
  overflow:hidden;
  border-radius:0 0 14px 14px;
}
.fb-cdn-flow-dot{
  position:absolute;
  width:24px;height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,rgba(255,255,255,.6),rgba(255,255,255,.2));
  top:0;
  opacity:0;
  animation:cdnFlowDot 2.5s linear infinite;
}
.fd-2{animation-delay:.85s}
.fd-3{animation-delay:1.7s}
@keyframes cdnFlowDot{
  0%{left:-24px;opacity:0}
  5%{opacity:1}
  95%{opacity:1}
  100%{left:100%;opacity:0}
}

/* ══ 第二层：CDN 能力矩阵 4x2 ══ */
.cdn-matrix{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
  margin:4px 0 12px;
}
.cm-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:16px 14px 12px;
  background:#f8fafc;
  border:1px solid #e2e8f0;
  border-radius:12px;
  cursor:default;
  transition:all .35s cubic-bezier(.4,0,.2,1);
  overflow:hidden;
}
.cm-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:#e2e8f0;
  transition:background .35s;
}
.cm-card.is-active{
  background:#fff;
  border-color:#3b82f6;
  box-shadow:0 4px 24px rgba(59,130,246,.12);
}
.cm-card.is-active::before{
  background:linear-gradient(90deg,#3b82f6,#60a5fa);
}
.cm-card:hover{
  border-color:#93c5fd;
  background:#fff;
}

/* 序号 */
.cm-num{
  position:absolute;
  top:10px;right:12px;
  font-size:28px;
  font-weight:900;
  color:#f1f5f9;
  line-height:1;
  pointer-events:none;
  transition:color .35s;
}
.cm-card.is-active .cm-num{
  color:#dbeafe;
}

/* 图标 */
.cm-icon{
  width:32px;height:32px;
  border-radius:8px;
  background:#eff6ff;
  color:#2563eb;
  display:flex;align-items:center;justify-content:center;
  transition:all .35s;
}
.cm-icon svg{width:17px;height:17px}
.cm-card.is-active .cm-icon{
  background:linear-gradient(135deg,#1e3a8a,#2563eb);
  color:#fff;
  box-shadow:0 2px 10px rgba(37,99,235,.25);
}

/* 内容 */
.cm-body{display:flex;flex-direction:column;gap:3px}
.cm-body strong{
  font-size:13px;
  font-weight:800;
  color:#111827;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
.cm-body span{
  font-size:11px;
  font-weight:500;
  color:#6b7280;
  line-height:1.4;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

/* 底部进度条 */
.cm-bar{
  height:3px;
  background:#f1f5f9;
  border-radius:3px;
  overflow:hidden;
  margin-top:auto;
}
.cm-bar-fill{
  height:100%;
  width:0;
  background:linear-gradient(90deg,#3b82f6,#60a5fa);
  border-radius:3px;
  transition:width .1s linear;
}
.cm-card.is-active .cm-bar-fill{
  animation:barGrow 3s linear forwards;
}
@keyframes barGrow{
  0%{width:0}
  100%{width:100%}
}

/* ══ 第三层：详情面板 ══ */
.cdn-detail-panel{
  position:relative;
  background:#f8fafc;
  border:1px solid #e2e8f0;
  border-radius:12px;
  overflow:hidden;
  margin-bottom:4px;
}
.cdp-progress{
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:#e2e8f0;
}
.cdp-progress-fill{
  height:100%;
  width:0;
  background:linear-gradient(90deg,#3b82f6,#60a5fa);
}
.cm-card.is-active ~ .cdn-detail-panel .cdp-progress-fill,
.cdn-detail-panel .cdp-progress-fill{
  animation:barGrow 3s linear forwards;
}
.cdp-content{
  padding:12px 20px;
  display:flex;
  align-items:center;
  gap:12px;
}
.cdp-badge{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  background:linear-gradient(135deg,#1e3a8a,#2563eb);
  color:#fff;
  border-radius:999px;
  font-size:11px;
  font-weight:800;
  white-space:nowrap;
  flex-shrink:0;
}
.cdp-text{
  font-size:12px;
  font-weight:500;
  color:#374151;
  line-height:1.5;
  margin:0;
}

/* ══════════════════════════════════════════════
   响应式适配 — PC / 平板 / 手机
   ══════════════════════════════════════════════ */

/* ── 超宽屏 1600px 以下 ── */
@media (max-width: 1600px) {
  .price-grid-v2 {
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
  }
  .price-card-v2 {
    padding: 18px 14px;
  }
}

/* ── 大屏 1200px 以下 ── */
@media (max-width: 1200px) {
  .price-grid-v2 {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .price-card-v2 {
    padding: 22px 18px;
  }
  .price-card-v2 h3 {
    font-size: 16px;
  }
  .price-amount .num {
    font-size: 32px;
  }
  .pv2-feat li {
    font-size: 12px;
  }
}

/* ── 平板 900px 以下 ── */
@media (max-width: 900px) {
  .price-tabs {
    width: 100%;
    justify-content: center;
  }
  .price-tab {
    flex: 1;
    text-align: center;
    padding: 10px 12px;
    font-size: 14px;
  }
  .tab-badge {
    font-size: 9px;
    padding: 1px 5px;
    margin-left: 4px;
  }
  .price-grid-v2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .price-card-v2 {
    padding: 22px 18px;
  }
  .price-card-v2 h3 {
    font-size: 17px;
  }
  .price-amount .num {
    font-size: 34px;
  }
  .pv2-feat li {
    font-size: 12.5px;
  }
}

/* ── 平板/手机 768px 以下 ── */
@media (max-width: 768px) {
  .pricing-toolbar {
    gap: 12px;
    margin-bottom: 24px;
  }
  .price-tabs {
    flex-direction: column;
    width: 100%;
    padding: 4px;
    gap: 2px;
  }
  .price-tab {
    padding: 12px 16px;
    font-size: 14px;
    text-align: center;
    border-radius: 8px;
  }
  .billing-seg {
    width: 100%;
    justify-content: center;
  }
  .billing-seg button {
    flex: 1;
    text-align: center;
    padding: 10px 12px;
    font-size: 13px;
  }
  .price-grid-v2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .price-card-v2 {
    padding: 24px 20px;
  }
  .price-card-v2 h3 {
    font-size: 18px;
  }
  .price-amount .num {
    font-size: 36px;
  }
  .price-amount .sym {
    font-size: 20px;
  }
  .pv2-feat li {
    font-size: 13px;
    gap: 8px;
  }
  .pv2-feat .tick {
    width: 18px;
    height: 18px;
    min-width: 18px;
    font-size: 12px;
  }
  .pv2-actions .btn-primary {
    padding: 12px 20px;
    font-size: 14px;
  }
  .pv2-actions .btn-ghost {
    padding: 10px 20px;
    font-size: 13px;
  }
  .line-region-hd {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .line-region-hd h3 {
    font-size: 17px;
  }
  .pv2-actions {
    flex-direction: column;
    gap: 8px;
  }
  .hc-cmp { grid-template-columns: 1fr; }
  .hc-feat-row { grid-template-columns: 1fr; }
  .hc-header { flex-direction: column; align-items: flex-start; gap: 6px; }
  .payg-banner { grid-template-columns: 1fr; }
  .payg-left { border-right: none; border-bottom: 1px solid var(--c-border, #e5e7eb); }
  .payg-left, .payg-right { padding: 24px 20px; }
  .payg-price strong { font-size: 36px; }
  .payg-specs { grid-template-columns: 1fr 1fr; }
  /* ── 传输加速技术模块 768px ── */
  #network-tech-minimal { padding: 20px 0 8px 0; }
  .tech-header { margin-bottom: 6px; }
  .tech-title-crisp { font-size: 18px; margin-bottom: 6px; }
  .tech-subtitle { font-size: 12px; }
  /* 流程图改为垂直布局 */
  .flow-bar { flex-direction: column; padding: 20px 0 16px; gap: 0; align-items: center; }
  .fb-endpoint { flex-direction: row; width: auto; gap: 10px; }
  .fb-ep-icon { width: 44px; height: 44px; border-radius: 12px; }
  .fb-ep-icon svg { width: 20px; height: 20px; }
  .fb-ep-info { align-items: flex-start; }
  .fb-ep-info strong { font-size: 13px; }
  .fb-ep-info span { font-size: 10px; }
  /* 轨道改为垂直 */
  .fb-track { width: 24px; height: 50px; min-width: auto; flex-direction: column; }
  .fb-track-line { top: 0; left: 50%; right: auto; bottom: 0; width: 2px; height: 100%; transform: translateX(-50%); background: linear-gradient(180deg,#bfdbfe,#60a5fa,#bfdbfe); }
  .fb-track-label { top: 50%; left: calc(50% + 20px); transform: translateY(-50%); font-size: 11px; }
  .fb-dot { top: auto; left: 50% !important; transform: translateX(-50%); animation: dotFlowV 2s linear infinite; }
  @keyframes dotFlowV { 0%{top:0;opacity:0}8%{opacity:1}92%{opacity:1}100%{top:calc(100% - 6px);opacity:0} }
  /* CDN 节点全宽 */
  .fb-cdn-hub { width: 100%; max-width: 100%; }
  .fb-cdn-row { flex-wrap: wrap; gap: 6px; }
  .fb-cdn-step { flex: 0 0 calc(50% - 6px); padding: 8px 10px; }
  .fb-step-body strong { font-size: 12px; }
  .fb-step-body span { font-size: 10px; }
  .fb-cdn-core { padding: 12px 20px; gap: 10px; }
  .fb-cdn-core-text strong { font-size: 14px; }
  .fb-cdn-core-text span { font-size: 11px; }
  /* 矩阵和详情 */
  .cdn-matrix { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .cm-card { padding: 12px 10px 10px; }
  .cm-num { font-size: 22px; }
  .cm-icon { width: 28px; height: 28px; }
  .cm-icon svg { width: 15px; height: 15px; }
  .cm-body strong { font-size: 11px; }
  .cm-body span { font-size: 9px; }
  .cdp-content { padding: 10px 14px; gap: 10px; }
  .cdp-badge { font-size: 10px; padding: 3px 10px; }
  .cdp-text { font-size: 11px; }
}

/* ── 小屏手机 480px 以下 ── */
@media (max-width: 480px) {
  .price-tab {
    padding: 10px 12px;
    font-size: 13px;
  }
  .tab-badge {
    font-size: 8px;
    padding: 1px 4px;
    margin-left: 3px;
  }
  .billing-seg button {
    padding: 8px 10px;
    font-size: 12px;
  }
  .billing-badge {
    font-size: 10px;
    padding: 2px 6px;
  }
  .price-card-v2 {
    padding: 20px 16px;
  }
  .price-card-v2 h3 {
    font-size: 16px;
  }
  .price-amount .num {
    font-size: 30px;
  }
  .price-amount .sym {
    font-size: 18px;
  }
  .pv2-feat li {
    font-size: 12px;
  }
  .pv2-actions .btn-primary {
    padding: 11px 16px;
    font-size: 13px;
  }
  .pv2-actions .btn-ghost {
    padding: 9px 16px;
    font-size: 12px;
  }
  .line-region-hd h3 {
    font-size: 16px;
  }
  .lr-chip {
    font-size: 11px;
    padding: 3px 10px;
  }
  .line-desc {
    font-size: 13px;
  }
  .payg-left, .payg-right {
    padding: 20px 16px;
  }
  .payg-price strong {
    font-size: 32px;
  }
  .payg-specs {
    grid-template-columns: 1fr;
  }
  /* ── 传输加速技术模块 480px ── */
  .tech-title-crisp { font-size: 16px; }
  .tech-subtitle { font-size: 11px; }
  .fb-ep-icon { width: 38px; height: 38px; border-radius: 10px; }
  .fb-ep-icon svg { width: 18px; height: 18px; }
  .fb-ep-info strong { font-size: 12px; }
  .fb-ep-info span { font-size: 9px; }
  .fb-track { height: 40px; }
  .fb-track-label { font-size: 10px; left: calc(50% + 14px); }
  .fb-dot { width: 4px; height: 4px; }
  .fb-cdn-hub { gap: 5px; }
  .fb-cdn-row { gap: 5px; }
  .fb-cdn-step { flex: 0 0 calc(50% - 5px); padding: 6px 8px; gap: 6px; }
  .fb-step-num { width: 20px; height: 20px; min-width: 20px; font-size: 10px; }
  .fb-step-body strong { font-size: 11px; }
  .fb-step-body span { font-size: 9px; }
  .fb-cdn-core { padding: 10px 16px; gap: 8px; }
  .fb-cdn-core-icon { width: 32px; height: 32px; min-width: 32px; }
  .fb-cdn-core-icon svg { width: 18px; height: 18px; }
  .fb-cdn-core-text strong { font-size: 13px; }
  .fb-cdn-core-text span { font-size: 10px; }
  .cdn-matrix { grid-template-columns: 1fr; gap: 6px; }
  .cm-card { padding: 10px 10px 8px; }
  .cm-num { font-size: 20px; }
  .cm-icon { width: 26px; height: 26px; }
  .cm-icon svg { width: 14px; height: 14px; }
  .cm-body strong { font-size: 11px; }
  .cm-body span { font-size: 9px; }
  .cdp-content { padding: 8px 12px; flex-direction: column; align-items: flex-start; gap: 6px; }
  .cdp-badge { font-size: 9px; padding: 2px 8px; }
  .cdp-text { font-size: 10px; }
}