/* 康方专题页 · 在主站 styles.css 之上的页面样式 */
.ak { --ak: #4f6bed; --ak-2: #8da2ff; }
.ak .eyebrow { color: var(--ak); }
.ak .dark .eyebrow, .ak .hero .eyebrow { color: var(--ak-2); }
#cellNet { position: absolute; inset: 0; width: 100%; height: 100%; }
.sub-h { font-size: 24px; font-weight: 700; letter-spacing: -.01em; margin-top: 80px; }
.sub-p { color: var(--ink-2); font-size: 15px; margin-top: 6px; }

/* 01 生产特征：四张卡，各带循环小动图 */
.chal { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.ch { background: #fff; border-radius: var(--radius); padding: 24px 22px; }
.ch b { display: block; font-size: 19px; margin-top: 14px; }
.ch p { font-size: 14px; color: var(--ink-2); margin-top: 4px; }
.chal .reveal:nth-child(2) { transition-delay: .08s; } .chal .reveal:nth-child(3) { transition-delay: .16s; } .chal .reveal:nth-child(4) { transition-delay: .24s; }
.ch-ico { width: 100%; max-width: 180px; height: auto; display: block; overflow: visible; }
.ci-lane { fill: #f0f0f5; }
.ci-a, .ci-b, .ci-c { transform-box: fill-box; transform-origin: left; animation: ciSlot 4.5s infinite var(--ease); }
.ci-a { fill: #4f6bed; } .ci-b { fill: #a78bfa; animation-delay: 1.5s; } .ci-c { fill: #22b8cf; animation-delay: 3s; }
@keyframes ciSlot { 0% { transform: scaleX(0); opacity: 1; } 25%, 80% { transform: scaleX(1); opacity: 1; } 100% { transform: scaleX(1); opacity: .25; } }
.ci-ln { fill: none; stroke: #d2d2d7; stroke-width: 1.5; }
.ci-hub { fill: var(--ak); }
.ci-dot { fill: #4f6bed; } .ci-dot.d2 { fill: #f06595; } .ci-dot.d3 { fill: #ff9f0a; } .ci-dot.d4 { fill: #2fb380; }
.ci-track { stroke: #e5e5ea; stroke-width: 4; stroke-linecap: round; }
.ci-prog { stroke: var(--ak); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 96; animation: ciProg 5s infinite linear; }
@keyframes ciProg { 0% { stroke-dashoffset: 96; } 80%, 100% { stroke-dashoffset: 0; } }
.ci-st { fill: #fff; stroke: #d2d2d7; stroke-width: 2; animation: ciSt 5s infinite; animation-delay: calc(var(--i) * 1s); }
@keyframes ciSt { 0%, 4% { fill: #fff; stroke: #d2d2d7; } 8%, 70% { fill: var(--ak); stroke: var(--ak); } 100% { fill: #fff; stroke: #d2d2d7; } }
.ci-shield { fill: #eef1ff; stroke: var(--ak); stroke-width: 2; }
.ci-check { fill: none; stroke: #2fb380; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 32; animation: ciCheck 2.8s infinite var(--ease); }
@keyframes ciCheck { 0%, 15% { stroke-dashoffset: 32; } 45%, 100% { stroke-dashoffset: 0; } }

/* 02 场景主链：8 站，令牌 8s 一圈 */
.ak-chain { grid-template-columns: repeat(8, 1fr); margin-top: 56px; }
.ak-chain .vc-token { animation-duration: 8s; background: var(--ak); box-shadow: 0 0 0 5px rgba(79,107,237,.2), 0 0 16px rgba(79,107,237,.7); }
.ak-chain .vc-ai, .ak-chain .vc-node { animation-duration: 8s; }
.ak-chain .vc-node { font-size: 14px; }
.ak-chain .vc-ai { font-size: 12.5px; padding: 6px 10px; animation-name: akAi; }
.ak-chain .vc-st:nth-child(5) .vc-node { box-shadow: 0 0 0 2px var(--ak); }
@keyframes akAi {
  0% { color: #fff; background: var(--ak); border-color: var(--ak); transform: translateY(-3px); box-shadow: 0 8px 20px -6px rgba(79,107,237,.7); }
  22% { color: #3949ab; background: #eef1ff; border-color: #c5cdfa; transform: none; box-shadow: none; }
  100% { color: var(--ink-2); background: #fff; border-color: var(--line); }
}

/* 价值 × 就绪度 气泡图 */
.quad-wrap { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; align-items: center; margin-top: 24px; background: var(--bg-light); border-radius: 28px; padding: 24px; }
.bq { width: 100%; height: auto; display: block; }
.bq text { font-family: var(--font); }
.bq-frame { fill: #fff; stroke: var(--line); }
.bq-hot { fill: rgba(79,107,237,.07); }
.bq-grid { stroke: var(--line); stroke-dasharray: 3 5; }
.bq-zone { font-size: 15px; font-weight: 700; fill: var(--ak); }
.bq-zone2 { font-size: 13px; font-weight: 600; fill: #aeaeb2; }
.bq-axis { font-size: 13px; fill: var(--ink-2); }
.bq-dot { cursor: pointer; }
.bq-dot circle { fill: var(--c); fill-opacity: .18; stroke: var(--c); stroke-width: 1.5; transform-box: fill-box; transform-origin: center; transform: scale(0); transition: transform .7s cubic-bezier(.3,1.4,.5,1), fill-opacity .3s; transition-delay: var(--d); }
.bq-dot .halo { fill: none; stroke: var(--c); stroke-width: 2; opacity: 0; }
#bubbles.in .bq-dot .halo { animation: akHalo 2s 1.4s infinite var(--ease); }
@keyframes akHalo { from { transform: scale(1); opacity: .6; } to { transform: scale(1.9); opacity: 0; } }
.bq-dot text { font-size: 12.5px; font-weight: 600; fill: var(--ink); text-anchor: middle; opacity: 0; transition: opacity .5s; transition-delay: calc(var(--d) + .3s); pointer-events: none; }
#bubbles.in .bq-dot circle:not(.halo) { transform: scale(1); }
#bubbles.in .bq-dot text { opacity: 1; }
.bq-dot:hover circle, .bq-dot.on circle { fill-opacity: .45; }
.bq-dot.on circle { stroke-width: 3; }
.bq-card { background: #fff; border-radius: 20px; padding: 22px; min-height: 210px; }
.bq-card .k { font-size: 12px; font-weight: 600; color: var(--ak); }
.bq-card h4 { font-size: 24px; letter-spacing: -.01em; margin: 4px 0 8px; }
.bq-card p { font-size: 15px; color: var(--ink-2); }
.bq-card ul { margin-top: 12px; display: grid; gap: 6px; }
.bq-card li { font-size: 14px; padding-left: 14px; position: relative; }
.bq-card li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 50%; background: var(--ak); }
.bq-more { display: inline-block; margin-top: 14px; font-size: 15px; }

/* 03 APS：人工 vs AI 迷你甘特 */
.duel { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 56px; }
.duel-p { background: #111113; border: 1px solid #222; border-radius: 22px; padding: 18px 18px 14px; margin: 0; }
.duel-p.ai { border-color: rgba(79,107,237,.55); box-shadow: 0 0 0 1px rgba(79,107,237,.25), 0 30px 60px -30px rgba(79,107,237,.6); }
.duel-p figcaption { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 13px; }
.duel-p figcaption em { font-style: normal; color: var(--ink-inv-2); font-variant-numeric: tabular-nums; }
.tag-m, .tag-a { font-weight: 600; padding: 3px 10px; border-radius: 980px; font-size: 12px; }
.tag-m { background: #2c2c2e; color: #d1d1d6; }
.tag-a { background: var(--ak); color: #fff; }
.mg { display: grid; gap: 7px; }
.mg-row { display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 8px; font-size: 11px; color: #8e8e93; font-variant-numeric: tabular-nums; }
.mg-tr { position: relative; height: 18px; background: #1c1c1e; border-radius: 4px; }
.mg-tr i { position: absolute; top: 2px; bottom: 2px; border-radius: 3px; transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); transition-delay: var(--d); }
.mg-tr i.co { background: repeating-linear-gradient(45deg, #ff9f0a 0 3px, transparent 3px 6px); }
.mg-tr i.pm { background: repeating-linear-gradient(45deg, rgba(255,69,58,.5) 0 3px, transparent 3px 6px); top: 0; bottom: 0; }
.mg-tr i.late::after { content: ""; position: absolute; right: 2px; top: 3px; width: 6px; height: 6px; border-radius: 50%; background: #ff453a; box-shadow: 0 0 6px #ff453a; }
.duel.go .mg-tr i { transform: scaleX(1); }
.mg-lg { grid-column: 1 / -1; display: flex; justify-content: center; gap: 18px; font-size: 12px; color: var(--ink-inv-2); }
.mg-lg span::before { content: ""; display: inline-block; width: 14px; height: 9px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.lg-co::before { background: repeating-linear-gradient(45deg, #ff9f0a 0 2px, transparent 2px 4px); }
.lg-pm::before { background: repeating-linear-gradient(45deg, rgba(255,69,58,.7) 0 2px, transparent 2px 4px); }
.lg-late::before { width: 8px !important; height: 8px !important; border-radius: 50% !important; background: #ff453a; }

.wins3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.wins3 > div { background: #111113; border: 1px solid #222; border-radius: 20px; padding: 20px 22px; }
.wins3 span { font-size: 13px; color: var(--ink-inv-2); }
.wins3 b { display: block; font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.02em; margin-top: 4px; font-variant-numeric: tabular-nums; }
.wins3 em { font-style: normal; color: #8e8e93; }
.wins3 i { font-style: normal; color: var(--ak-2); }

/* 04 时间线 */
.tl { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 56px; }
.tl-line { position: absolute; left: 12.5%; right: 12.5%; top: 9px; height: 2px; background: var(--line); }
.tl-line i { position: absolute; inset: 0; width: 0; background: var(--ak); transition: width 2.2s var(--ease) .3s; }
.tl.in .tl-line i { width: 100%; }
.tl-st { position: relative; text-align: center; padding: 30px 6px 0; }
.tl-st::before {
  content: ""; position: absolute; top: 2px; left: 50%; width: 16px; height: 16px; margin-left: -8px; border-radius: 50%;
  background: #fff; border: 2px solid var(--line); transition: background .4s, border-color .4s, transform .4s;
  transition-delay: calc(.3s + var(--i) * .5s);
}
.tl.in .tl-st::before { background: var(--ak); border-color: var(--ak); transform: scale(1.1); }
.tl-st b { display: block; font-size: 17px; }
.tl-st span { display: block; font-size: 13px; color: var(--ink-2); }
.tl-st em { display: inline-block; margin-top: 6px; font-style: normal; font-size: 12px; font-weight: 600; color: var(--ak); background: #eef1ff; padding: 2px 9px; border-radius: 980px; }
.tgt { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.tgt > div { background: #fff; border-radius: var(--radius); padding: 26px 22px; text-align: center; }
.tgt b { display: block; font-size: clamp(28px, 3.6vw, 42px); letter-spacing: -.02em; color: var(--ak); font-variant-numeric: tabular-nums; }
.tgt > div > span { font-size: 14px; color: var(--ink-2); }
.tgt .reveal:nth-child(2) { transition-delay: .08s; } .tgt .reveal:nth-child(3) { transition-delay: .16s; }

/* 05 ISIP 支持 */
.offers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.offers > div, .offers > a { display: block; color: inherit; background: var(--bg-light); border-radius: var(--radius); padding: 24px 22px; }
.offers b { font-size: 18px; }
.offers p { font-size: 14px; color: var(--ink-2); margin-top: 6px; }
.offers .reveal:nth-child(2) { transition-delay: .08s; } .offers .reveal:nth-child(3) { transition-delay: .16s; } .offers .reveal:nth-child(4) { transition-delay: .24s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1068px) {
  .chal, .offers { grid-template-columns: repeat(2, 1fr); }
  .quad-wrap { grid-template-columns: 1fr; }
  .duel { grid-template-columns: 1fr; }
}
@media (max-width: 833px) {
  .ak-chain { grid-template-columns: 1fr; grid-auto-rows: 58px; }
  .ak-chain .vc-node { font-size: 12.5px; }
  .ak-chain .vc-st span { width: 3.6em; }
  .tl { grid-template-columns: 1fr; gap: 18px; justify-items: start; padding-left: 8px; }
  .tl-line { left: 16px; right: auto; top: 10px; bottom: 10px; width: 2px; height: auto; }
  .tl-line i { width: 100%; height: 0; transition-property: height; }
  .tl.in .tl-line i { height: 100%; }
  .tl-st { text-align: left; padding: 0 0 0 36px; }
  .tl-st::before { left: 8px; top: 2px; margin-left: 0; }
  .tgt, .wins3 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .chal, .offers { grid-template-columns: 1fr; }
  .quad-wrap { padding: 12px; border-radius: 20px; }
  .bq-dot text { font-size: 16px; }
  .bq-zone { font-size: 18px; } .bq-zone2 { font-size: 16px; } .bq-axis { font-size: 16px; }
  .sub-h { margin-top: 56px; font-size: 21px; }
  .duel-p { padding: 14px 12px 10px; }
  .mg-row { grid-template-columns: 38px 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .tl-line i { width: 100%; }
  .bq-dot circle { transform: none; } .bq-dot text { opacity: 1; }
  .mg-tr i { transform: none; }
}
.offers > a { transition: transform .3s var(--ease), box-shadow .3s var(--ease); box-shadow: 0 0 0 1.5px var(--ak) inset; }
.offers > a:hover { transform: translateY(-3px); box-shadow: 0 0 0 1.5px var(--ak) inset, 0 16px 30px -18px rgba(79,107,237,.6); }
.offers .link { display: inline-block; margin-top: 10px; font-size: 14px; }