/* ==========================================================================
   产品卡片与动态封面
   每个封面是 300×170 的固定舞台（.cover__stage），悬浮/聚焦时播放演示动画。
   约定：带 .a 的元素默认暂停在第 0 帧（静态构图），卡片 hover 时播放。
   第三阶段在此追加其余封面（RAG / SALES / LIST / DATA / APP / O2O / BOOK / SAAS / WEB）。
   ========================================================================== */

.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 20px; }

.pcard {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  border-radius: 22px; border: 1px solid var(--c-line); background: var(--c-surface);
  color: var(--c-text);
  transition: transform 0.55s var(--ease-out), box-shadow 0.55s var(--ease-out), border-color 0.4s;
}
.pcard::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(150deg, rgba(215, 249, 74, 0.8), rgba(94, 230, 240, 0.4) 40%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.45s;
}
.pcard:hover { color: var(--c-text); transform: translateY(-6px); box-shadow: var(--sh-card-hover); }
.pcard:hover::after { opacity: 1; }
.pcard__body { display: flex; flex-direction: column; gap: 12px; flex: 1; padding: 24px 26px 26px; }
.pcard__title { font-size: 21px; font-weight: 600; letter-spacing: -0.01em; }

.cover {
  position: relative; height: 220px; overflow: hidden;
  background: radial-gradient(120% 100% at 50% 0%, rgba(215, 249, 74, 0.07), transparent 60%), #0a0c0f;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.cover::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.cover__code { position: absolute; left: 16px; top: 14px; z-index: 2; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--c-dim); }
.cover__stage { position: absolute; left: 50%; top: 50%; width: 300px; height: 170px; margin: -80px 0 0 -150px; transition: transform var(--dur-slow) var(--ease-out); }
.cover__stage > svg { position: absolute; inset: 0; }
.pcard:hover .cover__stage { transform: scale(1.04); }

/* 通用小部件 */
.cv-node {
  position: absolute; z-index: 1; transform: translate(-50%, -50%);
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 9px;
  background: #15181d; border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 11px; color: var(--c-text-2); white-space: nowrap;
}
.cv-node i { width: 6px; height: 6px; border-radius: 50%; background: var(--c-lemon); }
.cv-node i.c { background: var(--c-cyan); }
@keyframes packet { 0% { offset-distance: 0%; opacity: 0; } 12%, 88% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }
.cv-packet {
  position: absolute; left: 0; top: 0; width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-lemon); box-shadow: 0 0 12px var(--c-lemon); opacity: 0;
  animation: packet 1.8s linear infinite;
}

/* AGENT：Agent 节点协作 */
.cv-hub {
  position: absolute; z-index: 2; width: 52px; height: 52px; margin: -26px 0 0 -26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--c-on-lemon);
  background: radial-gradient(circle at 35% 30%, #f1ffb8, #d7f94a 50%, #a8c82a);
  box-shadow: 0 0 30px rgba(215, 249, 74, 0.35);
}
.cv-hub-ring { position: absolute; width: 52px; height: 52px; margin: -26px 0 0 -26px; border-radius: 50%; border: 1px solid var(--c-lemon); opacity: 0; animation: pulse-ring 1.8s ease-out infinite; }
@keyframes agent-glow { 0%, 100% { border-color: rgba(255, 255, 255, 0.12); } 35%, 65% { border-color: rgba(215, 249, 74, 0.75); } }
.cv-agent { animation: agent-glow 1.8s ease-in-out infinite; }

/* AUTO：自动化执行流程 */
.cv-step {
  position: absolute; z-index: 1; width: 34px; height: 34px; margin: -17px 0 0 -17px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 12px;
  background: var(--c-lemon); color: var(--c-on-lemon); border: 1px solid var(--c-lemon);
}
.cv-step-label { position: absolute; transform: translateX(-50%); font-size: 11px; color: var(--c-muted); white-space: nowrap; }
.cv-track { position: absolute; left: 40px; top: 69px; width: 225px; height: 2px; background: rgba(255, 255, 255, 0.1); }
@keyframes auto-fill { 0% { transform: scaleX(1); } 6% { transform: scaleX(0); } 90%, 100% { transform: scaleX(1); } }
.cv-track-fill { position: absolute; left: 40px; top: 69px; width: 225px; height: 2px; background: var(--grad-brand); transform-origin: left; animation: auto-fill 4s linear infinite; }
@keyframes auto-1 { 0%, 10%, 100% { background: #d7f94a; color: #07080a; } 5% { background: #15181d; color: #7c838c; } }
@keyframes auto-2 { 0%, 36%, 100% { background: #d7f94a; color: #07080a; } 5%, 32% { background: #15181d; color: #7c838c; } }
@keyframes auto-3 { 0%, 64%, 100% { background: #d7f94a; color: #07080a; } 5%, 60% { background: #15181d; color: #7c838c; } }
@keyframes auto-4 { 0%, 92%, 100% { background: #d7f94a; color: #07080a; } 5%, 88% { background: #15181d; color: #7c838c; } }
.cv-step--1 { animation: auto-1 4s linear infinite; }
.cv-step--2 { animation: auto-2 4s linear infinite; }
.cv-step--3 { animation: auto-3 4s linear infinite; }
.cv-step--4 { animation: auto-4 4s linear infinite; }
.cv-log {
  position: absolute; left: 0; right: 0; bottom: 4px; padding: 8px 12px; border-radius: 8px;
  background: #121519; border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono); font-size: 11px; color: var(--c-muted);
}
.cv-badge { position: absolute; right: 0; top: 2px; display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--c-lemon); }

/* MINI：小程序界面 */
.cv-phone {
  position: absolute; left: 110px; top: 2px; width: 80px; height: 166px; padding: 28px 8px 8px;
  display: flex; flex-direction: column; gap: 6px; border-radius: 16px;
  border: 1.5px solid rgba(255, 255, 255, 0.24); background: #0f1216;
}
.cv-capsule { position: absolute; top: 10px; right: 8px; width: 28px; height: 11px; border-radius: var(--r-pill); border: 1px solid rgba(255, 255, 255, 0.3); }
.cv-banner { height: 30px; border-radius: 7px; background: linear-gradient(120deg, rgba(215, 249, 74, 0.85), rgba(94, 230, 240, 0.55)); }
.cv-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; }
@keyframes tile-pop { 0%, 40%, 100% { transform: none; background: #1b1f25; } 15% { transform: translateY(-4px) scale(1.05); background: rgba(215, 249, 74, 0.3); } }
.cv-tile { height: 30px; border-radius: 6px; background: #1b1f25; animation: tile-pop 2.4s var(--ease-out) infinite; }
.cv-buy { margin-top: auto; height: 14px; border-radius: var(--r-pill); background: var(--c-lemon); }

/* 推荐标记（放在卡片正文，避免与封面内元素重叠） */
.pcard__meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge-hot {
  display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: var(--r-pill);
  background: rgba(215, 249, 74, 0.12); border: 1px solid rgba(215, 249, 74, 0.35);
  color: var(--c-lemon); font-size: 11px; font-weight: 600;
}
.cover__hint { position: absolute; right: 16px; top: 14px; z-index: 2; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--c-dim); transition: opacity var(--dur-fast); }
.pcard:hover .cover__hint { opacity: 0; }
@media (hover: none) { .cover__hint { display: none; } }

/* 大尺寸封面（详情页 / 解决方案页）：可见时自动播放 */
.cover--lg { height: auto; aspect-ratio: 4 / 3; border: 1px solid var(--c-line); border-radius: var(--r-lg); }
.cover--lg .cover__stage { transform: scale(1.45); }
@media (max-width: 520px) { .cover--lg .cover__stage { transform: scale(1.05); } }

.cv-box { position: absolute; border-radius: 12px; background: #121519; border: 1px solid rgba(255, 255, 255, 0.1); }
.cv-line { display: block; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, 0.13); }
.cv-line--hl { background: rgba(215, 249, 74, 0.75); }
.cv-cite { font-family: var(--font-mono); font-size: 9px; padding: 2px 5px; border-radius: 4px; background: rgba(94, 230, 240, 0.14); color: var(--c-cyan); white-space: nowrap; }
.cv-cite--l { background: rgba(215, 249, 74, 0.15); color: var(--c-lemon); }
@keyframes type-in { 0% { transform: none; } 8% { transform: scaleX(0); } 45%, 100% { transform: none; } }
.cv-type { transform-origin: left; animation: type-in 2.4s var(--ease-out) infinite; }

/* RAG：文档检索 → 带出处的回答 */
.cv-doc {
  position: absolute; left: 22px; top: 24px; width: 88px; height: 116px; padding: 14px 10px; overflow: hidden;
  display: flex; flex-direction: column; gap: 7px; border-radius: 10px; background: #14171b; border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform var(--dur-slow) var(--ease-out);
}
.cv-doc--1 { transform: rotate(-9deg) translate(-6px, 4px); opacity: 0.45; }
.cv-doc--2 { transform: rotate(-4deg) translate(-2px, 2px); opacity: 0.7; }
.pcard:hover .cv-doc--1, .cover.is-live .cv-doc--1 { transform: rotate(-17deg) translate(-16px, 8px); }
.pcard:hover .cv-doc--2, .cover.is-live .cv-doc--2 { transform: rotate(-8deg) translate(-8px, 4px); }
@keyframes scan { 0% { transform: translateY(-10px); opacity: 0; } 15%, 85% { opacity: 1; } 100% { transform: translateY(110px); opacity: 0; } }
.cv-scan { position: absolute; left: 0; right: 0; top: 0; height: 26px; background: linear-gradient(180deg, transparent, rgba(94, 230, 240, 0.4), transparent); opacity: 0; animation: scan 1.8s ease-in-out infinite; }
.cv-answer { left: 178px; top: 20px; width: 118px; height: 128px; padding: 10px; display: flex; flex-direction: column; gap: 8px; border-color: rgba(215, 249, 74, 0.35); }
.cv-answer__h { display: flex; align-items: center; gap: 5px; font-size: 10px; color: var(--c-lemon); }

/* SALES：线索获取 → 评分 → 跟进 */
.cv-col { position: absolute; top: 8px; width: 92px; height: 156px; padding: 26px 6px 6px; display: flex; flex-direction: column; gap: 6px; border-radius: 12px; border: 1px dashed rgba(255, 255, 255, 0.13); }
.cv-col--on { border-color: rgba(215, 249, 74, 0.35); }
.cv-col__h { position: absolute; top: 8px; left: 9px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.1em; color: var(--c-dim); }
.cv-col--on .cv-col__h { color: var(--c-lemon); }
.cv-lead { display: flex; align-items: center; gap: 5px; height: 26px; padding: 0 6px; border-radius: 7px; background: #15181d; border: 1px solid rgba(255, 255, 255, 0.09); }
.cv-lead--ghost { background: transparent; border-style: dashed; }
.cv-lead__av { width: 12px; height: 12px; flex: none; border-radius: 50%; background: #2b3037; }
.cv-lead__bar { flex: 1; height: 4px; border-radius: 2px; background: rgba(255, 255, 255, 0.14); }
.cv-score { font-family: var(--font-mono); font-size: 9px; font-weight: 500; padding: 1px 4px; border-radius: 4px; background: var(--c-lemon); color: var(--c-on-lemon); }
.cv-score--b { background: var(--c-cyan); }
@keyframes lead-move { 0%, 10% { transform: none; opacity: 1; } 35%, 50% { transform: translateX(102px); } 75%, 88% { transform: translateX(204px); opacity: 1; } 97%, 100% { transform: translateX(204px); opacity: 0; } }
@keyframes score-in { 0%, 30% { opacity: 0; } 38%, 97% { opacity: 1; } 100% { opacity: 0; } }
.cv-lead--move { position: absolute; left: 6px; top: 34px; width: 80px; z-index: 2; border-color: rgba(215, 249, 74, 0.6); animation: lead-move 3.6s var(--ease-out) infinite; }
.cv-lead--move .cv-lead__av { background: var(--c-lemon); }
.cv-lead--move .cv-score { opacity: 0; animation: score-in 3.6s var(--ease-out) infinite; }
.cv-col__foot { margin-top: auto; text-align: center; font-family: var(--font-mono); font-size: 9px; color: var(--c-dim); }

/* LIST：原始商品 → AI 处理 → 多店铺发布 */
.cv-card { padding: 10px; width: 104px; height: 116px; top: 14px; display: flex; flex-direction: column; gap: 7px; }
.cv-img { height: 44px; border-radius: 7px; background: #1b1f25; display: flex; align-items: center; justify-content: center; color: #4a4f57; }
.cv-img--ai { background: linear-gradient(120deg, rgba(215, 249, 74, 0.35), rgba(94, 230, 240, 0.2)); }
.cv-ai { position: absolute; left: 150px; top: 72px; z-index: 2; width: 40px; height: 40px; margin: -20px 0 0 -20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: rgba(94, 230, 240, 0.14); border: 1px solid rgba(94, 230, 240, 0.5); color: var(--c-cyan); }
.cv-ai::after { content: ""; position: absolute; inset: -7px; border-radius: 50%; border: 1px dashed rgba(94, 230, 240, 0.45); }
.cv-spin { animation: spin 2.4s linear infinite; }
.cv-stores { position: absolute; left: 0; right: 0; top: 140px; display: flex; justify-content: center; gap: 6px; }
@keyframes store-on { 0%, 100% { border-color: rgba(255, 255, 255, 0.12); color: #a3a9b1; } 30%, 70% { border-color: #d7f94a; color: #d7f94a; } }
.cv-store { display: inline-flex; align-items: center; height: 22px; padding: 0 9px; border-radius: var(--r-pill); border: 1px solid rgba(255, 255, 255, 0.12); font-size: 10px; color: var(--c-muted); animation: store-on 2.4s var(--ease-out) infinite; }

/* DATA：经营数据可视化 */
.cv-bar { position: absolute; bottom: 20px; width: 12px; border-radius: 3px 3px 0 0; background: linear-gradient(180deg, rgba(215, 249, 74, 0.9), rgba(215, 249, 74, 0.25)); transform-origin: bottom; animation: bar-grow 2.6s var(--ease-out) infinite; }
@keyframes bar-grow { 0% { transform: none; } 10% { transform: scaleY(0.15); } 50%, 100% { transform: none; } }
.cv-trend { stroke-dasharray: 1; stroke-dashoffset: 0; animation: trend 2.6s var(--ease-out) infinite; }
@keyframes trend { 0% { stroke-dashoffset: 0; } 10% { stroke-dashoffset: 1; } 60%, 100% { stroke-dashoffset: 0; } }
.cv-donut { stroke-dasharray: 68 100; animation: donut 2.6s var(--ease-out) infinite; }
@keyframes donut { 0% { stroke-dasharray: 68 100; } 10% { stroke-dasharray: 0 100; } 60%, 100% { stroke-dasharray: 68 100; } }
.cv-label { position: absolute; font-size: 10px; color: var(--c-muted); }

/* APP：双设备 + 审批通知 */
.cv-device { position: absolute; width: 74px; height: 150px; padding: 16px 7px 7px; display: flex; flex-direction: column; gap: 6px; border-radius: 16px; border: 1.5px solid rgba(255, 255, 255, 0.22); background: #101318; transition: transform var(--dur-slow) var(--ease-out); }
.cv-device::before { content: ""; position: absolute; top: 6px; left: 50%; width: 20px; height: 4px; margin-left: -10px; border-radius: 4px; background: rgba(255, 255, 255, 0.2); }
.cv-device--back { left: 84px; top: 16px; transform: rotate(-10deg); opacity: 0.75; }
.cv-device--front { left: 136px; top: 6px; transform: rotate(4deg); border-color: rgba(215, 249, 74, 0.5); }
.pcard:hover .cv-device--back, .cover.is-live .cv-device--back { transform: translate(-18px, 4px) rotate(-17deg); }
.pcard:hover .cv-device--front, .cover.is-live .cv-device--front { transform: translate(10px, -4px) rotate(8deg); }
.cv-row { display: flex; align-items: center; gap: 5px; }
.cv-av { width: 16px; height: 16px; flex: none; border-radius: 50%; background: #1f242b; }
@keyframes toast { 0% { opacity: 0; transform: translateY(-8px); } 18%, 80% { opacity: 1; transform: none; } 100% { opacity: 0; transform: none; } }
.cv-toast { position: absolute; left: 196px; top: 30px; z-index: 3; display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 9px; background: var(--c-text); color: #14171b; font-size: 11px; font-weight: 600; white-space: nowrap; opacity: 0; animation: toast 2.8s var(--ease-out) infinite; }

/* O2O：三端协同 + 配送路线 */
.cv-map { left: 0; top: 0; width: 300px; height: 168px; overflow: hidden; background: #0f1216; }
@keyframes route-dash { to { stroke-dashoffset: -22; } }
.cv-route { stroke-dasharray: 5 6; animation: route-dash 1.2s linear infinite; }
.cv-pin { position: absolute; z-index: 2; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--c-on-lemon); }
@keyframes ride { 0% { offset-distance: 30%; } 10% { offset-distance: 4%; } 90%, 100% { offset-distance: 96%; } }
.cv-rider { position: absolute; left: 0; top: 0; z-index: 3; width: 14px; height: 14px; border-radius: 50%; background: var(--c-text); border: 3px solid var(--c-lemon); box-shadow: 0 0 14px rgba(215, 249, 74, 0.7); offset-path: path('M46 124 C96 124 104 82 150 82 S214 44 250 44'); offset-distance: 30%; animation: ride 3s var(--ease-out) infinite; }

/* BOOK：预约排班 */
.cv-cal { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 5px; }
.cv-cal span { height: 22px; border-radius: 5px; display: flex; align-items: center; justify-content: center; background: #1b1f25; font-family: var(--font-mono); font-size: 9px; color: var(--c-dim); }
.cv-cal .wk { height: 14px; background: transparent; }
.cv-cal .off { background: repeating-linear-gradient(135deg, #14171b 0 4px, #101215 4px 8px); }
@keyframes slot-pick { 0%, 100% { background: #1b1f25; color: #7c838c; } 15%, 55% { background: #d7f94a; color: #07080a; } }
.cv-cal .pick { animation: slot-pick 3s var(--ease-out) infinite; }
@keyframes ok-pop { 0%, 45% { opacity: 0; transform: translateY(6px); } 55%, 90% { opacity: 1; transform: none; } 100% { opacity: 0; } }
.cv-ok { position: absolute; right: 12px; bottom: 10px; display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 8px; background: var(--c-lemon); color: var(--c-on-lemon); font-size: 11px; font-weight: 700; opacity: 0; animation: ok-pop 3s var(--ease-out) infinite; }

/* SAAS：多租户管理后台 */
.cv-win { position: absolute; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.14); background: #111419; transition: transform var(--dur-slow) var(--ease-out); }
.cv-win__label { position: absolute; right: 10px; top: 7px; font-family: var(--font-mono); font-size: 9px; color: var(--c-dim); }
.cv-win--1 { left: 52px; top: 4px; width: 230px; height: 120px; opacity: 0.45; }
.cv-win--2 { left: 38px; top: 16px; width: 236px; height: 124px; opacity: 0.7; }
.cv-win--3 { left: 22px; top: 30px; width: 250px; height: 134px; display: flex; overflow: hidden; border-color: rgba(215, 249, 74, 0.45); }
.pcard:hover .cv-win--1, .cover.is-live .cv-win--1 { transform: translate(18px, -8px); }
.pcard:hover .cv-win--2, .cover.is-live .cv-win--2 { transform: translate(9px, -4px); }
.pcard:hover .cv-win--3, .cover.is-live .cv-win--3 { transform: translate(-6px, 4px); }
.cv-side { width: 44px; flex: none; padding: 12px 8px; display: flex; flex-direction: column; gap: 8px; background: #0c0e11; border-right: 1px solid rgba(255, 255, 255, 0.08); }
.cv-main { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.cv-kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.cv-kpis span { height: 30px; padding: 6px; border-radius: 6px; background: #1a1e23; }
.cv-rows { position: relative; display: flex; flex-direction: column; gap: 4px; }
.cv-rows > span:not(.cv-rowhl) { position: relative; height: 16px; display: flex; align-items: center; gap: 6px; }
@keyframes row-hl { 0%, 100% { transform: translateY(0); } 33% { transform: translateY(20px); } 66% { transform: translateY(40px); } }
.cv-rowhl { position: absolute; left: 0; right: 0; height: 16px; border-radius: 4px; background: rgba(215, 249, 74, 0.12); animation: row-hl 2.4s var(--ease-out) infinite; }

/* WEB：响应式官网 */
.cv-browser { position: absolute; left: 6px; top: 14px; width: 206px; height: 140px; padding: 24px 12px 12px; display: flex; flex-direction: column; gap: 7px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, 0.16); background: #111419; }
.cv-browser::before { content: ""; position: absolute; left: 10px; top: 10px; width: 26px; height: 5px; background: radial-gradient(circle at 2.5px 2.5px, rgba(255, 255, 255, 0.35) 2.5px, transparent 3px) 0 0 / 9px 5px repeat-x; }
.cv-tablet { position: absolute; left: 190px; top: 50px; width: 64px; height: 98px; padding: 8px 6px; display: flex; flex-direction: column; gap: 5px; border-radius: 9px; border: 1.5px solid rgba(255, 255, 255, 0.22); background: #101318; transition: transform var(--dur-slow) var(--ease-out); }
.cv-mobile { position: absolute; left: 244px; top: 78px; width: 42px; height: 80px; padding: 8px 5px; display: flex; flex-direction: column; gap: 4px; border-radius: 9px; border: 1.5px solid rgba(215, 249, 74, 0.55); background: #101318; transition: transform var(--dur-slow) var(--ease-out); }
.pcard:hover .cv-tablet, .cover.is-live .cv-tablet { transform: translateX(8px) rotate(2deg); }
.pcard:hover .cv-mobile, .cover.is-live .cv-mobile { transform: translateX(14px) rotate(6deg); }
@keyframes seo-pop { 0%, 100% { transform: none; } 20% { transform: translateY(-4px) scale(1.08); } 40% { transform: none; } }
.cv-seo { position: absolute; left: 150px; top: 2px; display: inline-flex; align-items: center; gap: 5px; padding: 4px 8px; border-radius: 7px; background: rgba(94, 230, 240, 0.14); border: 1px solid rgba(94, 230, 240, 0.5); color: var(--c-cyan); font-family: var(--font-mono); font-size: 10px; animation: seo-pop 2.4s var(--ease-out) infinite; }

/* WORKFLOW：中心 AI + 四个业务系统
.cv-sys { position: absolute; z-index: 1; transform: translate(-50%, -50%); display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 9px; background: #15181d; border: 1px solid rgba(255, 255, 255, 0.12); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; color: var(--c-text-2); }
.cv-sys i { width: 6px; height: 6px; border-radius: 2px; background: var(--c-cyan); }

/* 封面演示播放控制（放在文件末尾，保证覆盖上方各动画的 play-state）：
   默认停在第 0 帧；卡片 hover / 键盘聚焦时播放；大封面进入视口（.is-live）时自动播放 */
.cover .a { animation-play-state: paused; }
.pcard:hover .cover .a,
.pcard:focus-visible .cover .a,
.pcard:focus-within .cover .a,
.cover[data-live].is-live .a { animation-play-state: running; }

/* 后台上传的封面图 */
.cover__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }