/* ═══════════════════════════════════════════════════════════
   中天科技系統有限公司 — 組件層
   設備 Mockup / 卡片 / 玻璃擬態 / 表單 / 手風琴
   ═══════════════════════════════════════════════════════════ */

@property --ang { syntax: "<angle>"; initial-value: 0deg; inherits: false; }

/* ══════════════ 2-A. Hero 設備 Mockup（3D 懸浮筆記本 + 手機） ══════════════ */

.hero-stage{
  position: relative;
  margin-top: 78px;
  perspective: 1700px;
  perspective-origin: 50% 30%;
}
.stage-glow{
  position: absolute;
  left: 50%;
  top: 46%;
  width: min(1080px, 104vw);
  height: 420px;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(0,160,233,.24), rgba(0,160,233,.06) 58%, transparent 76%);
  filter: blur(4px);
  pointer-events: none;
}
.stage-tilt{
  position: relative;
  transform-style: preserve-3d;
  transition: transform 700ms var(--ease);
  will-change: transform;
}

/* ── 筆記本電腦 ── */
.laptop{
  position: relative;
  z-index: 2;
  width: min(880px, 100%);
  margin-inline: auto;
  transform-style: preserve-3d;
}
.laptop-screen{
  position: relative;
  width: 100%;
  aspect-ratio: 900 / 566;
  border-radius: 24px 24px 8px 8px;
  background: linear-gradient(155deg, #FFFFFF 0%, #E8F1FC 100%);
  border: 1px solid rgba(255,255,255,.95);
  box-shadow:
    0 46px 90px rgba(12, 53, 121, 0.20),
    0 12px 30px rgba(12, 53, 121, 0.10),
    inset 0 1px 0 rgba(255,255,255,.9);
  overflow: hidden;
}
.laptop-base{
  position: relative;
  height: 15px;
  width: 108%;
  margin-left: -4%;
  border-radius: 0 0 16px 16px;
  background: linear-gradient(180deg, #E7EFFA 0%, #C9D9EE 55%, #B4C8E2 100%);
  box-shadow: 0 22px 40px rgba(12, 53, 121, 0.20), inset 0 1px 0 rgba(255,255,255,.85);
}
.laptop-notch{
  position: absolute;
  left: 50%;
  top: 0;
  width: 108px;
  height: 5px;
  transform: translateX(-50%);
  border-radius: 0 0 6px 6px;
  background: #B8CBE4;
}

/* ── 儀表盤 Mockup（固定設計寬 900px，由 JS 等比縮放） ── */
.mock{
  position: absolute;
  top: 0;
  left: 0;
  width: 900px;
  height: 566px;
  padding: 14px 14px 0;
  display: grid;
  grid-template-columns: 176px 1fr;
  gap: 14px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink-2);
  background: linear-gradient(165deg, #F7FAFE 0%, #EEF5FD 100%);
  transform-origin: top left;
}

/* 側欄 */
.mock-side{
  display: flex;
  flex-direction: column;
  padding: 14px 12px;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--neu-out-sm);
}
.mock-brand{ display: flex; align-items: center; gap: 9px; padding: 2px 6px 14px; }
.mock-brand-mark{
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 11px;
  font-size: 15px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--tech), var(--brand));
  box-shadow: 0 8px 16px rgba(0,160,233,.32);
}
.mock-brand-text b{ display: block; font-size: 12.5px; color: var(--brand); font-weight: 700; }
.mock-brand-text i{ display: block; font-size: 9.5px; color: var(--ink-4); }
.mock-nav{ display: grid; gap: 3px; }
.mock-nav li{
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 11px;
  font-size: 11.5px;
  color: var(--ink-3);
  transition: all var(--dur-hover) var(--ease);
}
.mock-nav li .ico{ width: 14px; height: 14px; opacity: .8; }
.mock-nav li.is-active{
  color: var(--brand);
  font-weight: 700;
  background: linear-gradient(100deg, #E9F4FE, #F7FBFF);
  box-shadow: inset 0 0 0 1px rgba(0,160,233,.16);
}
.mock-nav li.is-active .ico{ opacity: 1; }
.mock-dot{
  margin-left: auto;
  min-width: 16px; height: 16px;
  padding: 0 4px;
  display: grid; place-items: center;
  font-size: 9.5px; font-weight: 700; color: #fff;
  background: var(--tech);
  border-radius: var(--r-pill);
}
.mock-user{
  display: flex; align-items: center; gap: 9px;
  margin-top: auto;
  padding: 9px;
  border-radius: 14px;
  background: #F5F9FE;
}
.mock-avatar{
  display: grid; place-items: center;
  width: 28px; height: 28px;
  border-radius: 10px;
  font-size: 12px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
}
.mock-user b{ display: block; font-size: 11.5px; color: var(--brand); }
.mock-user i{ display: block; font-size: 9.5px; color: var(--ink-4); }

/* 主區 */
.mock-main{ display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.mock-top{ display: flex; align-items: center; gap: 12px; }
.mock-hello b{ display: block; font-size: 17px; font-weight: 700; color: var(--brand); letter-spacing: -.01em; }
.mock-hello i{ display: block; font-size: 10.5px; color: var(--ink-4); }
.mock-search{
  display: flex; align-items: center; gap: 8px;
  flex: 1;
  margin-left: auto;
  max-width: 240px;
  padding: 9px 14px;
  font-size: 10.5px; color: var(--ink-4);
  background: #fff;
  border-radius: var(--r-pill);
  box-shadow: var(--neu-in);
}
.mock-bell{
  position: relative;
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 12px;
  color: var(--brand);
  background: #fff;
  box-shadow: var(--neu-out-sm);
}
.mock-bell span{
  position: absolute; top: -3px; right: -3px;
  min-width: 15px; height: 15px;
  display: grid; place-items: center;
  font-size: 9px; font-weight: 700; color: #fff;
  background: #F0534B; border-radius: var(--r-pill);
  box-shadow: 0 0 0 2px #fff;
}

/* KPI */
.mock-kpis{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 11px; }
.kpi{
  position: relative;
  padding: 12px 12px 10px;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.kpi-ico{
  display: grid; place-items: center;
  width: 26px; height: 26px;
  border-radius: 9px;
  color: #fff;
  margin-bottom: 8px;
}
.kpi-ico .ico{ width: 13px; height: 13px; }
.k-b{ background: linear-gradient(135deg, var(--brand-2), var(--brand)); }
.k-s{ background: linear-gradient(135deg, var(--tech-2), var(--tech)); }
.k-v{ background: linear-gradient(135deg, #B2BBFF, #6371F0); }
.k-g{ background: linear-gradient(135deg, #8DF0CE, #22B489); }
.kpi i{ display: block; font-size: 10px; color: var(--ink-4); }
.kpi b{ display: block; margin: 2px 0 1px; font-size: 18px; font-weight: 700; color: var(--brand); letter-spacing: -.02em; }
.kpi em{ display: block; font-size: 9.5px; font-weight: 600; }
.kpi em.up{ color: #16A46B; }
.kpi em.down{ color: #E0574F; }
.kpi-spark{ position: absolute; right: 8px; bottom: 8px; width: 52px; height: 18px; }
.kpi-bars{ display: flex; align-items: flex-end; gap: 3px; height: 20px; margin-top: 6px; }
.kpi-bars span{
  flex: 1;
  height: var(--h, 40%);
  border-radius: 3px;
  background: linear-gradient(180deg, var(--tech-2), var(--tech));
  opacity: .85;
}
.kpi-bars span:nth-child(even){ background: linear-gradient(180deg, #B9D9F5, #7FB6E8); }
.kpi-donut{ position: absolute; right: 8px; bottom: 8px; width: 34px; height: 34px; }

/* 圖表 */
.mock-chart{
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px 14px;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  min-height: 0;
}
.mock-chart-head{ display: flex; align-items: flex-start; justify-content: space-between; }
.mock-chart-head b{ display: block; font-size: 13px; font-weight: 700; color: var(--brand); }
.mock-chart-head i{ display: block; font-size: 10px; color: var(--ink-4); }
.mock-select{
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 10px;
  font-size: 10px; color: var(--brand);
  background: #F3F8FE;
  border-radius: var(--r-pill);
}
.mock-select .ico{ width: 11px; height: 11px; }
.mock-chart-body{ position: relative; flex: 1; margin-top: 8px; min-height: 0; }
.line-chart{ width: 100%; height: 100%; overflow: visible; }
.chart-grid line{ stroke: #EDF3FB; stroke-width: 1; }
.chart-line{ stroke-dasharray: 1400; stroke-dashoffset: 1400; animation: drawLine 2.6s var(--ease) .5s forwards; }
@keyframes drawLine{ to{ stroke-dashoffset: 0; } }
.chart-area{ opacity: 0; animation: fadeIn 1.2s var(--ease) 1.6s forwards; }
@keyframes fadeIn{ to{ opacity: 1; } }
.chart-points circle{ fill: #fff; stroke: var(--tech); stroke-width: 3; opacity: 0; animation: fadeIn .6s var(--ease) 2.4s forwards; }
.chart-tip{
  position: absolute;
  left: 40%; top: 6%;
  padding: 6px 10px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 12px 26px rgba(12,53,121,.14);
  text-align: center;
}
.chart-tip b{ display: block; font-size: 11.5px; color: var(--brand); }
.chart-tip i{ display: block; font-size: 9px; color: var(--ink-4); }
.mock-xaxis{ display: flex; justify-content: space-between; padding: 6px 2px 0; font-size: 9.5px; color: var(--ink-4); }

/* 下方雙欄 */
.mock-cols{ display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mock-panel{ padding: 11px 13px; border-radius: 16px; background: #fff; box-shadow: var(--shadow-soft); }
.mock-panel-head{ display: flex; justify-content: space-between; align-items: center; margin-bottom: 7px; }
.mock-panel-head b{ font-size: 12px; color: var(--brand); }
.mock-panel-head i{ font-size: 9.5px; color: var(--tech); }
.mock-feed{ display: grid; gap: 5px; }
.mock-feed li{ display: flex; align-items: center; gap: 8px; font-size: 10.5px; }
.mock-feed b{ display: block; color: var(--ink-2); font-weight: 600; }
.mock-feed i{ display: block; font-size: 9px; color: var(--ink-4); }
.feed-dot{ width: 7px; height: 7px; border-radius: 50%; flex: none; }
.d1{ background: #22B489; } .d2{ background: var(--tech); }
.d3{ background: #6371F0; } .d4{ background: #F0A32E; }
.mock-progress{ display: grid; gap: 6px; }
.mock-progress li{ display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; font-size: 10.5px; }
.mock-progress em{ font-size: 10px; color: var(--tech); font-weight: 700; }
.mock-progress i{
  grid-column: 1 / -1;
  display: block;
  height: 5px;
  border-radius: var(--r-pill);
  background: #EEF4FC;
  position: relative;
  overflow: hidden;
}
.mock-progress i::after{
  content: "";
  position: absolute; inset: 0 auto 0 0;
  width: var(--p, 50%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--tech), var(--brand-2));
}

/* ── 手機 ── */
.phone{
  position: absolute;
  right: -1.5%;
  bottom: -8%;
  z-index: 3;
  width: 178px;
  padding: 9px;
  border-radius: 32px;
  background: linear-gradient(160deg, #FFFFFF, #D7E5F7);
  box-shadow: 0 40px 70px rgba(12, 53, 121, 0.26), inset 0 1px 0 rgba(255,255,255,.9);
  transform: translateZ(60px);
}
.phone-screen{
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 10px 11px 8px;
  border-radius: 24px;
  background: #FBFDFF;
  font-size: 11px;
  line-height: 1.45;
  overflow: hidden;
}
.p-status{ display: flex; justify-content: space-between; font-size: 9px; color: var(--ink-4); font-weight: 600; }
.p-status-ico{ width: 28px; height: 6px; border-radius: 3px; background: #D7E4F3; }
.p-head b{ display: block; font-size: 13px; color: var(--brand); }
.p-head i{ display: block; font-size: 9.5px; color: var(--ink-4); }
.p-card{
  padding: 11px 12px;
  border-radius: 15px;
  background: #F3F8FE;
}
.p-card--blue{
  color: #fff;
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
  box-shadow: 0 12px 24px rgba(12,53,121,.24);
}
.p-card i{ display: block; font-size: 9.5px; opacity: .82; }
.p-card b{ display: block; font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.p-chip{
  display: inline-block;
  margin-top: 7px;
  padding: 3px 9px;
  font-size: 9px; font-weight: 700;
  color: #fff;
  background: rgba(255,255,255,.2);
  border-radius: var(--r-pill);
}
.p-list{ display: grid; gap: 7px; }
.p-item{ display: flex; align-items: center; gap: 8px; padding: 7px 8px; border-radius: 12px; background: #fff; box-shadow: 0 6px 14px rgba(12,53,121,.05); }
.p-av{ display: grid; place-items: center; width: 24px; height: 24px; border-radius: 9px; font-size: 10px; font-weight: 700; color: #fff; flex: none; }
.a1{ background: linear-gradient(135deg, var(--tech-2), var(--tech)); }
.a2{ background: linear-gradient(135deg, #8DF0CE, #22B489); }
.a3{ background: linear-gradient(135deg, #B2BBFF, #6371F0); }
.p-item b{ display: block; font-size: 10.5px; color: var(--brand); }
.p-item i{ display: block; font-size: 8.5px; color: var(--ink-4); }
.p-tag{ margin-left: auto; padding: 3px 7px; font-size: 8px; font-weight: 700; border-radius: var(--r-pill); }
.t-wait{ color: #B06E10; background: #FEF3E2; }
.t-ok{ color: #12854F; background: #E6F7EF; }
.t-new{ color: #0E6FA8; background: #E7F4FD; }
.p-chart b{ font-size: 10px; color: var(--brand); display: block; margin-bottom: 6px; }
.p-bars{ display: flex; align-items: flex-end; gap: 4px; height: 34px; }
.p-bars span{ flex: 1; height: var(--h); border-radius: 3px; background: linear-gradient(180deg, var(--tech-2), var(--tech)); opacity: .9; }
.p-tabbar{ display: flex; justify-content: space-around; padding-top: 6px; border-top: 1px solid #EDF3FB; }
.p-tabbar i{ width: 20px; height: 4px; border-radius: 2px; background: #DCE7F5; }
.p-tabbar i.is-active{ background: var(--tech); width: 26px; }

/* ── 浮動小元件 ── */
.float-chip{
  position: absolute;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px 11px 12px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,.82);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 20px 44px rgba(12, 53, 121, 0.14);
  animation: floatY 5.4s var(--ease) infinite alternate;
}
.chip-1{ left: -2%; top: 13%; }
.chip-2{ left: -1%; bottom: 15%; animation-delay: -2.2s; }
.chip-ico{
  display: grid; place-items: center;
  width: 32px; height: 32px;
  border-radius: 11px;
  color: #fff;
  background: linear-gradient(135deg, var(--tech), var(--brand-2));
  box-shadow: 0 8px 18px rgba(0,160,233,.32);
}
.float-chip b{ display: block; font-size: 12.5px; font-weight: 700; color: var(--brand); }
.float-chip i{ display: block; font-size: 10.5px; color: var(--ink-4); }
@keyframes floatY{
  from{ transform: translateY(-6px); }
  to  { transform: translateY(8px); }
}

/* ══════════════ 3. 彩色 Logo 牆 ══════════════ */
.marquee{
  position: relative;
  margin-top: 58px;
  padding: 26px 0 44px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 9%, #000 91%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 9%, #000 91%, transparent 100%);
}
.marquee-track{
  display: flex;
  width: max-content;
  animation: marqueeRun 30s linear infinite;   /* 30 秒 / 圈 */
}
.marquee:hover .marquee-track{ animation-play-state: paused; }
@keyframes marqueeRun{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }
.marquee-group{ display: flex; gap: 22px; padding-right: 22px; }

.pcard{
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 26px 15px 15px;
  border-radius: var(--r-lg);
  background: rgba(255,255,255,.6);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  backdrop-filter: blur(16px) saturate(170%);
  border: 1px solid rgba(255,255,255,.86);
  box-shadow: 0 14px 30px rgba(12,53,121,.07), inset 0 1px 0 rgba(255,255,255,.9);
  transition:
    transform var(--dur-hover) var(--ease),
    box-shadow var(--dur-hover) var(--ease),
    background-color var(--dur-hover) var(--ease),
    border-color var(--dur-hover) var(--ease);
}
.pcard::after{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(140deg, rgba(0,160,233,.16), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-hover) var(--ease);
  pointer-events: none;
}
.pcard:hover{
  transform: translateY(-8px) scale(1.1);
  background: rgba(255,255,255,.94);
  border-color: rgba(0,160,233,.46);
  box-shadow: 0 26px 52px rgba(12,53,121,.16), 0 0 0 1px rgba(0,160,233,.24), 0 0 28px rgba(0,160,233,.22);
}
.pcard:hover::after{ opacity: 1; }
.pmark{
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  flex: none;
  border-radius: 15px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(140deg, var(--c1), var(--c2));
  box-shadow: 0 12px 24px rgba(12,53,121,.2), inset 0 1px 0 rgba(255,255,255,.35);
}
.pname{ font-size: 15px; font-weight: 700; color: var(--brand); line-height: 1.35; white-space: nowrap; }
.pname em{ display: block; font-size: 9.5px; letter-spacing: .1em; color: var(--ink-4); font-weight: 500; }

/* ══════════════ 4. Bento 服務卡 ══════════════ */
.bento{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.bcard{
  position: relative;
  padding: 36px 34px;
  border-radius: var(--r-xl);
  background: linear-gradient(158deg, #FFFFFF 0%, #F3F8FD 100%);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition:
    transform var(--dur-hover) var(--ease),
    box-shadow var(--dur-hover) var(--ease);
}
.bcard::after{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(from var(--ang, 0deg), transparent 0deg, var(--tech) 52deg, var(--tech-2) 96deg, transparent 152deg, transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  animation: borderSpin 3.6s linear infinite;
  transition: opacity var(--dur-hover) var(--ease);
  pointer-events: none;
}
@keyframes borderSpin{ to{ --ang: 360deg; } }
.bcard:hover::after{ opacity: 1; }
.bcard:hover{
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px rgba(12, 53, 121, 0.15);
}
.bcard-glow{
  position: absolute;
  right: -30%; top: -40%;
  width: 330px; height: 330px;
  background: radial-gradient(closest-side, rgba(0,160,233,.2), transparent 72%);
  opacity: 0;
  transition: opacity 500ms var(--ease);
  pointer-events: none;
}
.bcard:hover .bcard-glow{ opacity: 1; }

.bcard-body{ position: relative; z-index: 2; }
.bcard-ico{
  display: inline-grid;
  place-items: center;
  width: 74px; height: 74px;
  margin-bottom: 24px;
  border-radius: 24px;
  background: linear-gradient(150deg, #FFFFFF, #E9F2FC);
  box-shadow: var(--neu-out);
  transition: box-shadow var(--dur-hover) var(--ease), transform var(--dur-hover) var(--ease);
}
.bcard:hover .bcard-ico{ transform: translateY(-4px); box-shadow: var(--neu-hover); }
.bcard:hover .bcard-ico .ico--3d{ animation: iconFloat 3s var(--ease) infinite alternate; }
@keyframes iconFloat{
  from{ transform: translateY(-3px) rotate(-2deg); }
  to  { transform: translateY(5px) rotate(2deg); }
}
.bcard h3{ font-size: 24px; font-weight: 700; color: var(--brand); letter-spacing: -.01em; }
.bcard p{ margin-top: 12px; font-size: 15.5px; line-height: 1.8; color: var(--ink-3); max-width: 46ch; }
.bcard--lg{ grid-column: span 2; grid-row: span 2; display: flex; flex-direction: column; padding-bottom: 0; }
.bcard--lg .bcard-visual{ margin-top: auto; padding-top: 30px; }
.bcard--wide{ grid-column: span 2; display: flex; align-items: center; gap: 26px; }
.bcard--wide .bcard-body{ flex: 1; }
.bcard--wide .bcard-visual{ flex: none; width: 258px; }

/* 迷你視窗 */
.mini-window{
  border-radius: 20px 20px 0 0;
  background: #fff;
  box-shadow: 0 -10px 40px rgba(12,53,121,.1), 0 0 0 1px rgba(228,237,249,.9);
  overflow: hidden;
}
.mw-bar{ display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: #F5F9FE; }
.mw-bar span{ width: 9px; height: 9px; border-radius: 50%; background: #D8E4F2; }
.mw-bar span:first-child{ background: #FFC1B8; }
.mw-bar span:nth-child(2){ background: #FFE3AC; }
.mw-bar em{ margin-left: 8px; font-size: 12px; font-weight: 600; color: var(--brand); }
.mw-body{ display: grid; grid-template-columns: 44px 1fr; }
.mw-side{ display: grid; gap: 10px; align-content: start; padding: 16px 0 16px 14px; }
.mw-side i{ display: block; width: 18px; height: 5px; border-radius: 3px; background: #E1EAF6; }
.mw-side i.is-active{ background: var(--tech); width: 24px; }
.mw-main{ padding: 16px 18px 20px; }
.mw-row{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  margin-inline: -12px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 12px;
  transition:
    background var(--dur-hover) var(--ease),
    transform var(--dur-hover) var(--ease),
    box-shadow var(--dur-hover) var(--ease);
}
.mw-row + .mw-row{ border-top: 1px dashed var(--line); }
.mw-row b{ font-size: 11.5px; color: var(--ink-4); font-weight: 600; letter-spacing: .04em; }
/* 表格行 hover：輕微高亮浮動 */
.mw-row:not(:first-child):hover{
  background: rgba(234, 243, 253, .95);
  transform: translateX(3px);
  box-shadow: 0 6px 16px rgba(12, 53, 121, .07);
  border-top-color: transparent;
}
.mw-tag{ padding: 4px 11px; font-size: 11px; font-weight: 700; border-radius: var(--r-pill); }
.mw-tag.ok{ color: #12854F; background: #E6F7EF; }
.mw-tag.wait{ color: #B06E10; background: #FEF3E2; }
.mw-tag.new{ color: #0E6FA8; background: #E7F4FD; }

.mw-charts{ display: grid; grid-template-columns: 1fr 1fr; gap: 13px; margin-top: 18px; }
.mw-chart{
  margin: 0;
  padding: 12px 13px 10px;
  border-radius: 15px;
  background: linear-gradient(160deg, #FAFCFF 0%, #F2F7FD 100%);
  box-shadow: inset 0 1px 0 #fff, 0 0 0 1px rgba(228,237,249,.9);
  transition: transform var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease);
}
.mini-window:hover .mw-chart{ box-shadow: inset 0 1px 0 #fff, 0 0 0 1px rgba(0,160,233,.28), 0 8px 20px rgba(12,53,121,.07); }
.mw-chart figcaption{ display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 7px; }
.mw-chart figcaption i{ font-size: 10.5px; color: var(--ink-4); white-space: nowrap; }
.mw-chart figcaption b{ font-family: var(--font-num); font-size: 13.5px; font-weight: 700; color: var(--brand); }
.mw-chart svg{ display: block; width: 100%; height: 34px; }
.mw-line{
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: mwDraw 2.6s var(--ease) infinite;
}
@keyframes mwDraw{
  0%       { stroke-dashoffset: 260; }
  55%, 84% { stroke-dashoffset: 0; }
  100%     { stroke-dashoffset: 0; opacity: 0; }
}
.mw-node{ animation: mwNode 2.6s var(--ease) infinite; }
@keyframes mwNode{
  0%, 30%{ opacity: 0; transform: scale(.4); }
  60%, 88%{ opacity: 1; transform: scale(1); }
  100%{ opacity: 0; transform: scale(.4); }
}
.mw-node{ transform-box: fill-box; transform-origin: center; }

.arch-svg{ width: 100%; height: auto; }
.arch-svg text{ font-family: var(--font-sans); }

/* ══════════════ 5. 痛點列表 + 數據流 ══════════════ */
.pain-list{ display: grid; gap: 14px; margin-top: 36px; }
.pain-list li{
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 22px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  transition: all var(--dur-hover) var(--ease);
}
.pain-list li:hover{
  transform: translateX(6px);
  border-color: rgba(240,83,75,.28);
  box-shadow: 0 18px 36px rgba(12,53,121,.1);
}
.pain-ico{
  display: grid; place-items: center;
  width: 36px; height: 36px;
  flex: none;
  border-radius: 12px;
  background: #FEF0EF;
  box-shadow: inset 0 0 0 1px rgba(240,83,75,.14);
}
.pain-list b{ display: block; font-size: 16.5px; font-weight: 700; color: var(--brand); }
.pain-list i{ display: block; font-size: 14.5px; color: var(--ink-3); line-height: 1.7; }

.pain-result{
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 28px;
  padding: 20px 24px;
  border-radius: var(--r-md);
  background: linear-gradient(120deg, #EAF5FE, #F7FBFF);
  box-shadow: inset 0 0 0 1px rgba(0,160,233,.18);
}
.pr-ico{
  display: grid; place-items: center;
  width: 36px; height: 36px;
  flex: none;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--tech), var(--brand-2));
  box-shadow: var(--shadow-tech);
}
.pain-result p{ font-size: 15.5px; color: var(--ink-2); }
.pain-result b{ color: var(--brand); }

/* ── 右側：四卡自動展開組（左側四項痛點 → 四段解決方案） ── */
.stack-stage{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 372px;
}
/* 卡片組後方環境光暈（淺藍，僅作為層次） */
.stack-stage::before{
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 620px; height: 330px;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(0, 160, 233, .13), rgba(0, 160, 233, 0) 74%);
  pointer-events: none;
}
.stack-group{
  position: relative;
  width: 616px;
  height: 372px;
}

/* 三層結構：外層扇形落點、中層漂浮、內層懸停與卡面 */
.stack-card{
  position: absolute;
  left: 50%; top: 50%;
  width: 172px; height: 244px;
  margin: -122px 0 0 -86px;
  z-index: var(--zi, 1);
  will-change: transform, opacity;
}
.stack-card:nth-child(1){ --fx: -211px; --fy: 34px;   --rot: -5deg;   --zi: 1; --cd: 0ms;   --fd: .60s; --sc: .965; }
.stack-card:nth-child(2){ --fx: -70px;  --fy: -9px;   --rot: -1.8deg; --zi: 2; --cd: 60ms;  --fd: .82s; --sc: 1; }
.stack-card:nth-child(3){ --fx: 70px;   --fy: -9px;   --rot: 1.8deg;  --zi: 3; --cd: 120ms; --fd: 1.04s; --sc: 1; }
.stack-card:nth-child(4){ --fx: 211px;  --fy: 34px;   --rot: 5deg;    --zi: 4; --cd: 180ms; --fd: 1.26s; --sc: 1.035; }

/* 初始：四卡重疊於容器中心（scale .85 / opacity 0 / y 100px） */
.js .stack-card{
  opacity: 0;
  transform: translate3d(0, 100px, 0) rotate(0deg) scale(.85);
  transition:
    transform var(--dur-scroll) cubic-bezier(.34, 1.4, .5, 1),
    opacity 480ms var(--ease);
}
/* 觸發：進入視口 20% 後，600ms 彈性向兩側展開 */
.js .stack-group.is-in .stack-card{
  opacity: 1;
  transform: translate3d(var(--fx), var(--fy), 0) rotate(var(--rot)) scale(var(--sc, 1));
  transition-delay: var(--cd, 0ms);
}

.stack-float{ width: 100%; height: 100%; }
/* 展開後持續漂浮：y -6 ~ 6px、3s、正弦緩動，逐張錯開 0.2s */
.js .stack-group.is-in .stack-float{
  animation: stackFloat 3s ease-in-out infinite both;
  animation-delay: var(--fd, .6s);
}
@keyframes stackFloat{
  0%, 100%{ transform: translateY(-6px); }
  50%     { transform: translateY(6px); }
}

/* ── 白卡本體：純白、24px 大圓角、藍調柔和陰影 ── */
.scard{
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px 36px 18px 20px;
  border-radius: 24px;
  background: #FFFFFF;
  box-shadow:
    0 var(--shy, 15px) var(--shb, 35px) rgba(12, 53, 121, var(--sho, 0.08)),
    0 3px 10px rgba(12, 53, 121, 0.035),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: transform var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease);
}
/* 立體層次：越靠前陰影越深、卡面略大 */
.stack-card:nth-child(1) .scard{ --shy: 12px; --shb: 28px; --sho: .07; }
.stack-card:nth-child(2) .scard{ --shy: 14px; --shb: 32px; --sho: .075; }
.stack-card:nth-child(3) .scard{ --shy: 16px; --shb: 38px; --sho: .09; }
.stack-card:nth-child(4) .scard{ --shy: 20px; --shb: 46px; --sho: .105; }
/* 亮藍漸變細邊框（懸停時流光走過） */
.scard::before{
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(118deg,
      rgba(0, 160, 233, .55) 0%, rgba(12, 53, 121, .08) 26%,
      rgba(255, 255, 255, .95) 48%, rgba(0, 160, 233, .38) 72%, rgba(12, 53, 121, .06) 100%);
  background-size: 280% 100%;
  background-position: 0% 0;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask-composite: exclude;
  pointer-events: none;
  transition: background-position 900ms var(--ease);
}
.scard-num{
  position: absolute;
  right: 9px; top: 50%;
  font-family: var(--font-num);
  font-size: 26px; font-weight: 800; line-height: 1;
  color: rgba(0, 160, 233, .2);
  transform: translateY(-50%) rotate(90deg);
  pointer-events: none;
}
.scard-ico{
  position: relative;
  display: block;
  width: 48px; height: 48px;
  flex: none;
}
.scard-ico::before{
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0, 160, 233, .22), rgba(0, 160, 233, 0) 78%);
  opacity: 0;
  transition: opacity 520ms var(--ease);
}
.js .stack-group.is-in .scard-ico::before{ opacity: 1; }
.scard-ico .ico--3d{ width: 46px; height: 46px; }
.scard h3{
  margin-top: 13px;
  font-size: 16px; font-weight: 700; line-height: 1.35;
  color: var(--brand);
  letter-spacing: -.005em;
}
.scard p{
  margin-top: 7px;
  font-size: 13px; line-height: 1.62;
  color: var(--ink-3);
}
.scard-tag{
  align-self: flex-start;
  margin-top: auto;
  padding: 5px 11px;
  font-size: 10.5px; font-weight: 700; white-space: nowrap;
  color: var(--tech);
  background: var(--tech-3);
  border-radius: var(--r-pill);
  box-shadow: inset 0 0 0 1px rgba(0, 160, 233, .16);
}

/* ── 懸停：聚焦單卡，其餘退讓 ── */
@media (hover: hover) and (pointer: fine){
  .stack-card:hover{ --zi: 10; }
  .stack-group.is-in:has(.stack-card:hover) .stack-card:not(:hover){
    --sc: .95;
    opacity: .7;
    transition: transform 340ms var(--ease), opacity 340ms var(--ease);
    transition-delay: 0ms;
  }
  .stack-card:hover .scard{
    transform: translateY(-25px) scale(1.05);
    box-shadow:
      0 30px 60px rgba(12, 53, 121, 0.15),
      0 0 0 1px rgba(0, 160, 233, .45),
      0 0 30px rgba(0, 160, 233, .2);
  }
  .stack-card:hover .scard::before{ background-position: 100% 0; }
  .scard-ico .ico--3d{
    transition: transform var(--dur-hover) var(--ease), filter var(--dur-hover) var(--ease);
  }
  .stack-card:hover .scard-ico .ico--3d{ animation: iconFloat 2.6s var(--ease) infinite alternate; }
}

.stack-note{
  max-width: 480px;
  margin: 4px auto 0;
  text-align: center;
  font-size: 14.5px; line-height: 1.75;
  color: var(--ink-3);
}
.stack-note b{ color: var(--brand); }

/* ══════════════ 6. 案例 ══════════════ */
.case-hero{
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 46px;
  border-radius: var(--r-2xl);
  background: rgba(255,255,255,.86);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-hi);
  border: 1px solid rgba(255,255,255,.9);
}
.case-hero-visual{ position: relative; }
.case-laptop{
  position: relative;
  animation: breatheGlow 4.6s var(--ease) infinite;
  transition: animation-play-state var(--dur-hover) var(--ease);
}
@keyframes breatheGlow{
  0%,100%{ transform: scale(1); filter: drop-shadow(0 24px 50px rgba(12,53,121,.14)); }
  50%    { transform: scale(1.02); filter: drop-shadow(0 34px 64px rgba(0,160,233,.24)); }
}
.case-hero-visual:hover .case-laptop{ animation-play-state: paused; }
.cl-screen{
  position: relative;
  width: 100%;
  aspect-ratio: 900 / 520;
  border-radius: 20px 20px 6px 6px;
  background: linear-gradient(155deg, #fff, #E9F1FC);
  border: 1px solid rgba(255,255,255,.95);
  box-shadow: 0 34px 66px rgba(12,53,121,.18);
  overflow: hidden;
}
.cl-mock{
  position: absolute; top: 0; left: 0;
  width: 900px; height: 520px;
  padding: 20px 22px;
  display: flex; flex-direction: column; gap: 14px;
  font-size: 12px; line-height: 1.5;
  background: linear-gradient(165deg, #F8FBFF, #EEF5FD);
  transform-origin: top left;
}
.cl-top{ display: flex; align-items: center; justify-content: space-between; }
.cl-top b{ font-size: 19px; color: var(--brand); letter-spacing: -.01em; }
.cl-pill{ padding: 6px 14px; font-size: 11px; color: var(--brand); background: #fff; border-radius: var(--r-pill); box-shadow: var(--shadow-soft); }
.cl-stats{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.cl-stats div{ padding: 14px 16px; border-radius: 16px; background: #fff; box-shadow: var(--shadow-soft); }
.cl-stats i{ display: block; font-size: 11px; color: var(--ink-4); }
.cl-stats b{ display: block; font-size: 24px; color: var(--brand); letter-spacing: -.02em; }
.cl-table{ flex: 1; padding: 8px 14px; border-radius: 18px; background: #fff; box-shadow: var(--shadow-soft); }
.cl-row{ display: grid; grid-template-columns: 1.1fr 1.4fr 1fr auto; gap: 12px; align-items: center; padding: 13px 6px; font-size: 13px; border-bottom: 1px solid var(--line); }
.cl-row:last-child{ border-bottom: 0; }
.cl-head{ font-size: 11px; color: var(--ink-4); letter-spacing: .05em; }
.cl-tag{ padding: 5px 12px; font-size: 11px; font-weight: 700; border-radius: var(--r-pill); }
.cl-tag.ok{ color: #12854F; background: #E6F7EF; }
.cl-tag.wait{ color: #B06E10; background: #FEF3E2; }
.cl-tag.new{ color: #0E6FA8; background: #E7F4FD; }
.cl-foot{ display: flex; align-items: center; gap: 10px; font-size: 11px; color: var(--ink-4); }
.cl-foot i{ flex: 1; height: 5px; border-radius: 3px; background: linear-gradient(90deg, var(--tech), transparent); }
.case-laptop-base{
  height: 13px; width: 107%; margin-left: -3.5%;
  border-radius: 0 0 14px 14px;
  background: linear-gradient(180deg, #E7EFFA, #B4C8E2);
  box-shadow: 0 18px 34px rgba(12,53,121,.18);
}
.case-hover-cta{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(12,53,121,.06), rgba(0,160,233,.2));
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-hover) var(--ease), visibility var(--dur-hover) var(--ease);
}
.case-hero-visual:hover .case-hover-cta{ opacity: 1; visibility: visible; }
.case-hover-cta .btn{
  transform: translateY(10px);
  transition: transform 420ms var(--ease-elastic), box-shadow var(--dur-hover) var(--ease);
}
.case-hero-visual:hover .case-hover-cta .btn{ transform: translateY(0); }

.case-eyebrow{
  display: inline-block;
  padding: 7px 16px;
  font-size: 12.5px; font-weight: 700; color: var(--tech);
  background: var(--tech-3);
  border-radius: var(--r-pill);
}
.case-hero-copy h3{ margin-top: 18px; font-size: 32px; font-weight: 700; color: var(--brand); letter-spacing: -.01em; }
.case-hero-copy p{ margin-top: 16px; font-size: 16px; line-height: 1.85; color: var(--ink-3); }
.case-facts{ display: flex; flex-wrap: wrap; gap: 34px; margin-top: 28px; }
.case-facts b{ display: block; font-size: 26px; font-weight: 700; color: var(--brand); letter-spacing: -.02em; }
.case-facts i{ display: block; font-size: 13.5px; color: var(--ink-4); }

.case-cards{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 28px; }
.ccard{
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--r-xl);
  background: #F4F7FB;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition:
    transform var(--dur-hover) var(--ease),
    background-color var(--dur-hover) var(--ease),
    box-shadow var(--dur-hover) var(--ease);
}
.ccard:hover{
  background: #fff;
  transform: translateY(-10px);
  box-shadow: 0 28px 56px rgba(12,53,121,.16);
}
.ccard-shot{ position: relative; padding: 22px 22px 0; }
.shot-track{ position: relative; height: 268px; }
.shot{
  position: absolute;
  inset: 0;
  padding: 16px 18px;
  border-radius: 18px 18px 0 0;
  background: #fff;
  box-shadow: 0 14px 34px rgba(12,53,121,.09), 0 0 0 1px rgba(228,237,249,.9);
  opacity: 0;
  transform: translateX(14px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
  pointer-events: none;
  font-size: 12px;
  color: var(--ink-2);
  overflow: hidden;
}
.shot.is-active{ opacity: 1; transform: translateX(0); pointer-events: auto; }
.sh-top{ display: flex; align-items: center; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.sh-top b{ font-size: 14px; color: var(--brand); }
.sh-top span{ font-size: 11px; color: var(--tech); font-weight: 600; }
.sh-ring{ display: grid; place-items: center; position: relative; margin: 14px auto 8px; width: 88px; height: 88px; }
.sh-ring svg{ width: 88px; height: 88px; }
.sh-ring em{ position: absolute; font-size: 17px; font-weight: 700; color: var(--brand); }
.sh-list{ display: grid; gap: 8px; margin-top: 12px; }
.sh-list li{ display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; }
.sh-list--wide li{ padding: 9px 12px; border-radius: 12px; background: #F6FAFE; }
.sh-list em{ padding: 3px 10px; font-size: 11px; font-weight: 700; border-radius: var(--r-pill); }
.sh-list em.ok{ color: #12854F; background: #E6F7EF; }
.sh-list em.wait{ color: #B06E10; background: #FEF3E2; }
.sh-list em.new{ color: #0E6FA8; background: #E7F4FD; }
.sh-cols{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.sh-cols div{ padding: 11px 8px; border-radius: 14px; background: #F6FAFE; text-align: center; }
.sh-cols b{ display: block; font-size: 19px; color: var(--brand); }
.sh-cols i{ display: block; font-size: 10.5px; color: var(--ink-4); }
.sh-bars{ display: flex; align-items: flex-end; gap: 7px; height: 72px; margin-top: 16px; }
.sh-bars span{ flex: 1; height: var(--h); border-radius: 5px; background: linear-gradient(180deg, var(--tech-2), var(--tech)); opacity: .88; }
.sh-coupon{
  margin-top: 14px;
  padding: 14px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--tech), var(--brand-2));
  box-shadow: 0 14px 28px rgba(0,160,233,.28);
}
.sh-coupon b{ display: block; font-size: 22px; letter-spacing: -.02em; }
.sh-coupon i{ display: block; font-size: 11.5px; opacity: .86; }
.sh-coupon span{ display: inline-block; margin-top: 8px; font-size: 10.5px; opacity: .9; }
.sh-kanban{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-top: 12px; }
.sh-kanban div{ display: grid; gap: 6px; align-content: start; }
.sh-kanban i{ font-size: 10.5px; font-weight: 700; color: var(--tech); }
.sh-kanban span{ padding: 8px; font-size: 11px; line-height: 1.4; border-radius: 10px; background: #F6FAFE; color: var(--ink-2); }
.sh-scan{ text-align: center; margin-top: 14px; }
.sh-scan-box{
  position: relative;
  width: 108px; height: 108px;
  margin: 0 auto;
  border-radius: 18px;
  background: #F6FAFE;
  box-shadow: inset 0 0 0 1px var(--line-2);
}
.sh-scan-box span{ position: absolute; width: 18px; height: 18px; border: 2px solid var(--tech); }
.sh-scan-box span:nth-child(1){ top: 10px; left: 10px; border-right: 0; border-bottom: 0; border-radius: 6px 0 0 0; }
.sh-scan-box span:nth-child(2){ top: 10px; right: 10px; border-left: 0; border-bottom: 0; border-radius: 0 6px 0 0; }
.sh-scan-box span:nth-child(3){ bottom: 10px; left: 10px; border-right: 0; border-top: 0; border-radius: 0 0 0 6px; }
.sh-scan-box span:nth-child(4){ bottom: 10px; right: 10px; border-left: 0; border-top: 0; border-radius: 0 0 6px 0; }
.sh-scan-box i{
  position: absolute;
  left: 14px; right: 14px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--tech), transparent);
  animation: scanLine 2.4s var(--ease) infinite;
}
@keyframes scanLine{ 0%{ top: 16px; } 50%{ top: 88px; } 100%{ top: 16px; } }
.sh-scan em{ display: block; margin-top: 10px; font-size: 11px; color: var(--ink-3); }
.sh-rack{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin: 14px 0; }
.sh-rack span{ padding: 10px 0; text-align: center; font-size: 10.5px; border-radius: 10px; background: #F1F6FC; color: var(--ink-4); }
.sh-rack span.on{ background: linear-gradient(135deg, var(--tech), var(--brand-2)); color: #fff; }
.shot-dots{ display: flex; justify-content: center; gap: 6px; padding: 14px 0 24px; }
.shot-dots i{ width: 6px; height: 6px; border-radius: 50%; background: #CFDEED; transition: all var(--dur-hover) var(--ease); }
.shot-dots i.is-active{ width: 20px; border-radius: 4px; background: var(--tech); }
.ccard-body{ padding: 0 26px 28px; }
.ccard-body h3{ font-size: 19px; font-weight: 700; color: var(--brand); }
.ccard-body p{ margin-top: 8px; font-size: 14.5px; line-height: 1.75; color: var(--ink-3); }
.ccard-more{
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 16px;
  font-size: 14px; font-weight: 600; color: var(--tech);
  transition: gap var(--dur-hover) var(--ease);
}
.ccard:hover .ccard-more{ gap: 13px; }

/* ══════════════ 7. AI 專區（淺色：左文右圖） ══════════════ */
.ai-bg{
  position: absolute;
  inset: 0;
  background:
    radial-gradient(760px 460px at 86% 16%, rgba(0,160,233,.1), transparent 68%),
    radial-gradient(640px 420px at 4% 88%, rgba(30,79,163,.055), transparent 68%);
  pointer-events: none;
}

.ai-split{
  position: relative;
  z-index: 2;
  display: grid;
  /* 右側 MacBook 佔約 55%（1.22 / 2.22 ≈ 55%），貼合「佔據右側約 55% 寬度」 */
  grid-template-columns: 1fr 1.22fr;
  gap: 66px;
  align-items: center;
}

/* ── 左側文字 ── */
.ai-copy .sec-title{ font-size: clamp(30px, 3.5vw, 50px); }
.ai-copy .sec-sub{ max-width: 42ch; }

.ai-feats{ display: grid; gap: 17px; margin-top: 34px; }
.ai-feats li{ display: flex; gap: 14px; align-items: flex-start; }
.ai-check{
  display: grid;
  place-items: center;
  flex: none;
  width: 26px; height: 26px;
  margin-top: 2px;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--tech-2), var(--tech));
  box-shadow: 0 6px 14px rgba(0,160,233,.32);
  transition: transform var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease);
}
.ai-check .ico{ width: 14px; height: 14px; }
.ai-feats li:hover .ai-check{ transform: scale(1.14) rotate(-8deg); box-shadow: 0 10px 20px rgba(0,160,233,.42); }
.ai-feats b{ display: block; font-size: 16.5px; font-weight: 700; color: var(--brand); }
.ai-feats i{ display: block; margin-top: 3px; font-size: 15px; line-height: 1.7; color: var(--ink-3); }
.ai-copy .btn{ margin-top: 40px; }

/* ── 右側：MacBook 展示（滾動自動開蓋 + 螢幕數據響應） ── */
.ai-visual{
  position: relative;
  /* 必須給明確寬度：否則 .mb-scene{width:100%} 在響應式斷點
     （.ai-visual 使用 margin-inline:auto 居中）會因父級寬度未定而塌成 0 */
  width: 100%;
  padding-bottom: 7%;
  perspective: 2000px;
  perspective-origin: 50% 42%;
}
.ai-halo{
  position: absolute;
  left: 50%; top: 42%;
  width: 108%; height: 74%;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(0,160,233,.17), rgba(0,160,233,.05) 56%, transparent 74%);
  filter: blur(14px);
  pointer-events: none;
}
/* 地面柔和投影 */
.mb-shadow{
  position: absolute;
  left: 50%; bottom: 5%;
  width: 72%; height: 30px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(12,53,121,.24), rgba(12,53,121,.09) 50%, transparent 76%);
  filter: blur(9px);
  opacity: .9;
  transition: transform 420ms var(--ease), opacity 420ms var(--ease);
  pointer-events: none;
}

.mb-scene{
  position: relative;
  width: 100%;
  transform-style: preserve-3d;
  /* 深空灰機身呈微微向左傾斜的 3D 透視角 */
  transform: rotateX(5deg) rotateY(-8deg);
}
.mb-float{ transform-style: preserve-3d; }
/* 開蓋完成後：持續上下漂浮（Y ±6px、4s、正弦） */
.js .ai-visual.is-in .mb-float{
  animation: mbFloat 4s ease-in-out infinite;
  animation-delay: 1.15s;
}
@keyframes mbFloat{
  0%,100%{ transform: translateY(-6px); }
  50%    { transform: translateY(6px); }
}
.mb{
  position: relative;
  transform-style: preserve-3d;
  transform: scale(.9);
  transition: transform 800ms var(--ease-elastic);
}
/* 開蓋同時由 0.9 放大至 1.0 */
.js .ai-visual.is-in .mb{ transform: scale(1); }

/* ── 上蓋：繞底部轉軸翻開 ── */
.mb-lid{
  position: relative;
  aspect-ratio: 16 / 10.4;
  transform-style: preserve-3d;
  transform-origin: 50% 100%;
  /* 閉合＝上蓋完全折向使用者一側（超過水平），此時朝上的是金屬背面，
     相機才看得到「深空灰金屬上蓋」；開啟則回正至 ~4deg。 */
  transform: rotateX(-98deg);
  transition: transform 800ms var(--ease-elastic) 180ms;
  will-change: transform;
}
.js .ai-visual.is-in .mb-lid{ transform: rotateX(4deg); }

/* 金屬背面（閉合時可見） */
.mb-lid-back{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 17px 17px 5px 5px;
  /* 深空灰金屬：斜向高光掃過 + 邊緣亮線 + 環境光反射 */
  background:
    linear-gradient(150deg, rgba(255,255,255,.22) 0%, rgba(255,255,255,0) 46%),
    linear-gradient(148deg, #9AA1AB 0%, #7A828D 22%, #5F6670 52%, #4A515A 78%, #3B4148 100%);
  box-shadow:
    0 30px 58px rgba(12, 53, 121, 0.26),
    0 6px 16px rgba(12, 53, 121, 0.14),
    inset 0 1px 0 rgba(255,255,255,.5),
    inset 0 -2px 7px rgba(0,0,0,.28),
    inset 0 0 0 1px rgba(255,255,255,.12);
  transform: rotateY(180deg);
  backface-visibility: hidden;
}
.mb-logo{
  width: 24px; height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #E4E9EF, #B6BEC8 58%, #98A0AA);
  box-shadow: inset 0 1px 1.5px rgba(255,255,255,.75), 0 1px 3px rgba(0,0,0,.35);
  opacity: .9;
}

/* 螢幕（開啟時可見） */
.mb-screen{
  position: absolute;
  inset: 0;
  padding: 9px 9px 12px;
  border-radius: 17px 17px 5px 5px;
  background: linear-gradient(160deg, #23282F 0%, #12161B 100%);
  box-shadow:
    0 30px 60px rgba(12, 53, 121, 0.22),
    0 8px 20px rgba(12, 53, 121, 0.12),
    inset 0 0 0 1px rgba(255,255,255,.10),
    inset 0 0 0 2px rgba(120,128,138,.16);
  backface-visibility: hidden;
  transition: box-shadow 420ms var(--ease);
}
/* 螢幕下緣通電光暈 */
.mb-edge{
  position: absolute;
  left: 10%; right: 10%; bottom: 0;
  height: 9px;
  border-radius: 0 0 10px 10px;
  background: linear-gradient(90deg, transparent, rgba(0,160,233,.95), transparent);
  filter: blur(5px);
  opacity: 0;
  transition: opacity 700ms var(--ease) 200ms;
  pointer-events: none;
}
.js .ai-visual.is-in .mb-edge{ opacity: 1; }
.mb-cam{
  position: absolute;
  left: 50%; top: 3.4px;
  width: 4px; height: 4px;
  margin-left: -2px;
  border-radius: 50%;
  background: #3B4653;
  box-shadow: inset 0 0 0 1px rgba(120,190,240,.5);
}

/* ── 螢幕內容 ── */
.mb-ui{
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: 10px 10px 3px 3px;
  background: linear-gradient(170deg, #FFFFFF 0%, #F6FAFF 100%);
  overflow: hidden;
}
.mb-ui > *{ opacity: 0; transition: opacity 460ms var(--ease) 380ms; }
.js .ai-visual.is-in .mb-ui > *{ opacity: 1; }

.mb-top{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px;
  background: rgba(255,255,255,.86);
  border-bottom: 1px solid var(--line);
}
.mb-dots{ display: flex; gap: 4px; flex: none; }
.mb-dots i{ width: 6px; height: 6px; border-radius: 50%; background: #D8E4F2; }
.mb-dots i:first-child{ background: #FFC1B8; }
.mb-dots i:nth-child(2){ background: #FFE3AC; }
.mb-dots i:nth-child(3){ background: #B6E9CE; }
.mb-top em{ font-size: 10.5px; font-style: normal; font-weight: 700; color: var(--brand); letter-spacing: -.01em; }
.mb-live{
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  padding: 2px 8px;
  font-size: 9.5px; font-weight: 600;
  color: #0E7A4C;
  background: #E6F7EF;
  border-radius: var(--r-pill);
}
.mb-live i{ width: 5px; height: 5px; border-radius: 50%; background: #22B489; animation: pulseDot 2.4s var(--ease) infinite; }

.mb-grid{
  display: grid;
  grid-template-columns: 0.94fr 1fr 1.1fr;
  grid-template-rows: 1fr auto;
  gap: 7px;
  flex: 1;
  min-height: 0;
  padding: 7px 8px 8px;
}
.mb-cell{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 7px 8px 8px;
  border-radius: 11px;
  background: #FFFFFF;
  box-shadow:
    0 6px 16px rgba(12, 53, 121, 0.06),
    inset 0 0 0 1px rgba(214, 228, 245, 0.9);
}
.mb-cell-t{
  font-size: 9.5px;
  font-weight: 700;
  color: var(--tech);
  letter-spacing: .02em;
}
.mb-cell--flow{ grid-column: 1 / -1; }

/* ① 智能客服 */
.mb-chat{ display: flex; flex-direction: column; gap: 5px; flex: 1; min-height: 0; }
.mb-bub{
  padding: 5px 8px;
  font-size: 9.5px;
  line-height: 1.55;
  border-radius: 9px;
  opacity: 0;
  transform: translateY(7px);
  transition: opacity 460ms var(--ease), transform 460ms var(--ease);
}
.js .ai-visual.is-in .mb-bub--user{ opacity: 1; transform: none; transition-delay: 950ms; }
.js .ai-visual.is-in .mb-bub--ai  { opacity: 1; transform: none; transition-delay: 1050ms; }
.mb-bub--user{
  align-self: flex-end;
  max-width: 92%;
  color: #fff;
  background: linear-gradient(135deg, var(--tech), #1E7FE0);
  border-bottom-right-radius: 4px;
  box-shadow: 0 6px 14px rgba(0,160,233,.24);
}
.mb-bub--ai{
  max-width: 100%;
  color: var(--ink-2);
  background: #F4F9FF;
  border: 1px solid rgba(214,228,245,.95);
  border-bottom-left-radius: 4px;
}
.mb-bub--done{
  display: flex;
  align-items: center;
  gap: 5px;
  max-width: 100%;
  margin-top: auto;
  font-weight: 700;
  color: #0E7A4C;
  background: #EAF8F1;
  border: 1px solid rgba(34,180,137,.26);
}
.mb-bub--done .ico{ width: 10px; height: 10px; flex: none; }
.js .ai-visual.is-in .mb-bub--done{ opacity: 1; transform: none; transition-delay: 1150ms; }

/* ② 知識庫 */
.mb-search{
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  font-size: 9.5px;
  color: var(--ink-4);
  background: #F7FAFE;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.mb-search .ico{ width: 11px; height: 11px; color: var(--ink-4); }
.mb-ai-tag{
  display: inline-flex;
  align-items: center;
  gap: 5px;
  align-self: flex-start;
  padding: 3px 8px;
  font-size: 9px; font-weight: 700;
  color: var(--tech);
  background: var(--tech-3);
  border-radius: var(--r-pill);
  box-shadow: inset 0 0 0 1px rgba(0,160,233,.18);
}
.mb-ai-tag i{
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--tech);
  box-shadow: 0 0 0 3px rgba(0,160,233,.16);
  animation: pulseDot 1.8s var(--ease) infinite;
}
.mb-files{
  display: grid;
  gap: 4px;
  margin-top: auto;
}
.mb-file{
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 7px;
  font-size: 9px;
  font-weight: 600;
  color: var(--brand);
  background: #FBFDFF;
  border: 1px solid var(--line);
  border-radius: 7px;
  white-space: nowrap;
  overflow: hidden;
}
.mb-file span:last-child{ overflow: hidden; text-overflow: ellipsis; }
.mb-file-ico{ flex: none; display: block; width: 13px; height: 13px; }
.mb-file-ico svg{ width: 100%; height: 100%; display: block; }

/* ③ 商業助手 */
.mb-metric{ display: flex; flex-direction: column; gap: 1px; }
.mb-metric i{ font-size: 9px; font-style: normal; color: var(--ink-4); }
.mb-metric b{
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  letter-spacing: -.02em;
  transition: color 420ms var(--ease);
}
.mb-metric i.mb-delta{
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 1px;
  font-size: 8.5px;
  font-weight: 700;
  color: var(--tech);
}
.mb-metric i.mb-delta .ico{ width: 9px; height: 9px; flex: none; }
.mb-charts{
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
  gap: 7px;
  margin-top: auto;
}
.mb-line{ width: 100%; height: 42px; display: block; }
.mb-pie{ width: 100%; height: 42px; display: block; }
.mb-line-stroke{ stroke-dashoffset: 0; }
.js .mb-line-stroke{ stroke-dasharray: 100; stroke-dashoffset: 100; }
.js .ai-visual.is-in .mb-line-stroke{ animation: mbLine 1s var(--ease) 1400ms forwards; }
@keyframes mbLine{ to{ stroke-dashoffset: 0; } }
.mb-line-area{ opacity: 1; }
.js .mb-line-area{ opacity: 0; transition: opacity 620ms var(--ease) 2150ms; }
.js .ai-visual.is-in .mb-line-area{ opacity: 1; }
.mb-line-dot{ opacity: 1; }
.js .mb-line-dot{ opacity: 0; transition: opacity 380ms var(--ease) 2300ms; }
.js .ai-visual.is-in .mb-line-dot{ opacity: 1; }

.mb-pie-a{ stroke-dasharray: 62 100; transform: rotate(-90deg); transform-origin: 50% 50%; }
.mb-pie-b{ stroke-dasharray: 38 100; stroke-dashoffset: -62; transform: rotate(-90deg); transform-origin: 50% 50%; }
.js .mb-pie-a{ stroke-dasharray: 0 100; }
.js .mb-pie-b{ stroke-dasharray: 0 100; }
.js .ai-visual.is-in .mb-pie-a{ animation: mbPieA 900ms var(--ease) 1500ms forwards; }
.js .ai-visual.is-in .mb-pie-b{ animation: mbPieB 900ms var(--ease) 1640ms forwards; }
@keyframes mbPieA{ to{ stroke-dasharray: 62 100; } }
@keyframes mbPieB{ to{ stroke-dasharray: 38 100; } }

/* ④ 工作流自動化 */
.mb-flow{ display: flex; align-items: center; gap: 7px; }
.mb-node{
  flex: none;
  padding: 4px 9px;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--brand);
  background: #FFFFFF;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  box-shadow: 0 3px 8px rgba(12,53,121,.07);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}
.mb-link{
  position: relative;
  flex: 1;
  min-width: 20px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(0,160,233,.2), rgba(0,160,233,.48));
  opacity: 0;
  transition: opacity 480ms var(--ease);
}
.mb-link i{
  position: absolute;
  top: 50%; left: 0;
  width: 6px; height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #A9E7FF, #00A0E9);
  box-shadow: 0 0 8px rgba(0,160,233,.95);
  opacity: 0;
}
.js .ai-visual.is-in .mb-node,
.js .ai-visual.is-in .mb-link{ opacity: 1; transform: none; }
.js .ai-visual.is-in .mb-flow > *:nth-child(1){ transition-delay: 1480ms; }
.js .ai-visual.is-in .mb-flow > *:nth-child(2){ transition-delay: 1570ms; }
.js .ai-visual.is-in .mb-flow > *:nth-child(3){ transition-delay: 1660ms; }
.js .ai-visual.is-in .mb-flow > *:nth-child(4){ transition-delay: 1750ms; }
.js .ai-visual.is-in .mb-flow > *:nth-child(5){ transition-delay: 1840ms; }
.js .ai-visual.is-in .mb-link i{ animation: mbFlow 2.2s linear infinite; }
.js .ai-visual.is-in .mb-link i:nth-child(2){ animation-delay: -1.1s; }
@keyframes mbFlow{
  0%  { left: 0; opacity: 0; }
  14% { opacity: 1; }
  86% { opacity: 1; }
  100%{ left: calc(100% - 6px); opacity: 0; }
}

/* ── 底座 ── */
.mb-base{
  position: absolute;
  top: 100%; left: 50%;
  width: 102%;
  aspect-ratio: 100 / 36;
  margin-left: -51%;
  transform-origin: 50% 0;
  transform: rotateX(78deg);
  border-radius: 2px 2px 13px 13px;
  background: linear-gradient(180deg, #8A919B 0%, #6C737D 36%, #565D67 72%, #454B54 100%);
  box-shadow:
    0 24px 40px rgba(12,53,121,.20),
    inset 0 1px 0 rgba(255,255,255,.34),
    inset 0 -3px 8px rgba(0,0,0,.26);
  backface-visibility: hidden;
  pointer-events: none;
}
/* 鍵盤槽 + 觸控板：讓底座讀得出是筆電的鍵盤面 */
.mb-base::before{
  content: "";
  position: absolute;
  left: 9%; right: 9%; top: 24%; height: 40%;
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(0,0,0,.34), rgba(0,0,0,.18));
  box-shadow: inset 0 1px 2px rgba(0,0,0,.42), inset 0 -1px 0 rgba(255,255,255,.10);
}
.mb-base::after{
  content: "";
  position: absolute;
  left: 50%; bottom: 10%; width: 26%; height: 18%;
  margin-left: -13%;
  border-radius: 3px;
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(0,0,0,.16));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
}
.mb-base-notch{
  position: absolute;
  left: 50%; top: 0;
  width: 76px; height: 4px;
  margin-left: -38px;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(180deg, #5A616B, #454B54);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.14);
}

/* ── 膠囊標籤：滾動時自電腦背後向四周彈出（內容與左側四大功能呼應） ── */
.ai-pills{
  position: absolute;
  inset: 0;
  z-index: 3;               /* 疊於電腦之上，確保彈出後完全可見 */
  pointer-events: none;
}
/* 外層只管「位移」：鋪滿容器，故 translate 的 % 相對容器 → 彈出路徑隨寬度等比縮放 */
.ai-pill{
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translate(var(--sx, 0), var(--sy, 0));
  transition:
    opacity 320ms var(--ease) calc(var(--pd, 0ms) + 120ms),
    transform 760ms var(--ease-elastic) var(--pd, 0ms);
}
.js .ai-visual.is-in .ai-pill{ opacity: 1; transform: translate(0, 0); }
/* 內層為可見膠囊：負責彈出縮放、持續漂浮、懸停 */
.ai-pill-i{
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px 7px 11px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1;
  color: var(--brand);
  background: #FFFFFF;
  border-radius: var(--r-pill);
  box-shadow:
    0 12px 26px rgba(12, 53, 121, 0.13),
    0 2px 6px rgba(12, 53, 121, 0.07),
    inset 0 0 0 1px rgba(214, 228, 245, 0.9);
  white-space: nowrap;
  pointer-events: auto;
  transform: scale(.3);
  transition:
    transform 760ms var(--ease-elastic) var(--pd, 0ms),
    translate 320ms var(--ease),
    scale 320ms var(--ease),
    box-shadow 320ms var(--ease);
}
.ai-pill-i .ico{ width: 13px; height: 13px; flex: none; color: var(--tech); transition: color 320ms var(--ease); }
/* 彈出完成後進入持續漂浮：較電腦延遲 0.5s，逐顆再錯開 → 波浪感 */
.js .ai-visual.is-in .ai-pill-i{
  transform: scale(1);
  animation: pillFloat 4s ease-in-out infinite;
  animation-delay: calc(1.65s + var(--pd, 0ms));
}
@keyframes pillFloat{
  0%,100%{ transform: translateY(-6px); }
  50%    { transform: translateY(6px); }
}
/* 四顆標籤的落點與彈出向量（--pd 交錯；--sx/--sy 為「收攏至電腦中央」的位移） */
.ai-pill--chat{ --pd: 0ms;   --sx: 43%;  --sy: 18%; }
.ai-pill--chat .ai-pill-i{ left: 0; top: 24%; }

.ai-pill--kb{ --pd: 100ms; --sx: -43%; --sy: 34%; }
.ai-pill--kb .ai-pill-i{ right: 0; top: 8%; }

.ai-pill--dash{ --pd: 200ms; --sx: -43%; --sy: -12%; }
.ai-pill--dash .ai-pill-i{ right: 0; top: 54%; }

.ai-pill--flow{ --pd: 300ms; --sx: 34%;  --sy: -52%; }
.ai-pill--flow .ai-pill-i{ left: 6%; bottom: 2%; }

/* ── 懸停：整機上浮放大 + 圖表高亮 ── */
@media (hover: hover) and (pointer: fine){
  .mb-scene{ transition: transform 340ms var(--ease); }
  /* 懸停電腦：整機上浮放大（保留 3D 傾角） */
  .mb-scene:hover{ transform: rotateX(5deg) rotateY(-8deg) translateY(-15px) scale(1.05); }
  .mb-scene:hover .mb-screen{
    box-shadow:
      0 30px 60px rgba(12, 53, 121, 0.15),
      0 0 0 1px rgba(0, 160, 233, 0.38),
      0 0 56px rgba(0, 160, 233, 0.30);
  }
  .ai-visual:hover .mb-shadow{ transform: translateX(-50%) scale(1.12); opacity: 1; }
  /* 懸停「電腦或標籤」：螢幕圖表與數據輕微高亮 */
  .ai-visual:hover .mb-line-stroke{ stroke: #0090D6; filter: drop-shadow(0 0 5px rgba(0,160,233,.55)); }
  .ai-visual:hover .mb-pie-a{ stroke: #0090D6; }
  .ai-visual:hover .mb-pie-b{ stroke: #1B58B8; }
  .ai-visual:hover .mb-metric b{ color: var(--tech); }
  .ai-visual:hover .mb-line-stroke,
  .ai-visual:hover .mb-pie-a,
  .ai-visual:hover .mb-pie-b{ transition: stroke 300ms var(--ease), filter 300ms var(--ease); }
  /* 懸停單一標籤：該標籤上浮放大＋陰影急遽擴散＋圖示轉亮藍 */
  .ai-pill:hover{ translate: 0 -15px; scale: 1.05; }
  .ai-pill:hover .ai-pill-i{
    box-shadow:
      0 30px 60px rgba(12, 53, 121, 0.15),
      0 10px 22px rgba(12, 53, 121, 0.10),
      0 0 0 1px rgba(0, 160, 233, 0.34),
      0 0 34px rgba(0, 160, 233, 0.20);
  }
  .ai-pill:hover .ai-pill-i .ico{ color: #0090D6; }
}

/* ── 無障礙：降低動態 ── */
@media (prefers-reduced-motion: reduce){
  .js .ai-visual.is-in .mb-float{ animation: none; }
  .js .ai-visual.is-in .ai-pill{ opacity: 1; transform: none; transition: none; }
  .js .ai-visual.is-in .ai-pill-i{ animation: none; transform: none; transition: none; }
  .js .mb{ transform: none; transition: none; }
  .js .mb-lid{ transform: rotateX(4deg); transition: none; }
  .js .mb-ui > *,
  .js .mb-bub,
  .js .mb-node,
  .js .mb-link{ opacity: 1 !important; transform: none !important; transition: none !important; }
  .js .mb-line-stroke{ stroke-dasharray: none; stroke-dashoffset: 0; animation: none; }
  .js .mb-line-area,
  .js .mb-line-dot{ opacity: 1 !important; transition: none !important; }
  .js .mb-pie-a{ stroke-dasharray: 62 100; animation: none; }
  .js .mb-pie-b{ stroke-dasharray: 38 100; animation: none; }
  .js .ai-visual.is-in .mb-link i{ animation: none; opacity: 1; }
}

/* ══════════════ 8. 開發流程時間軸 ══════════════ */
.timeline{ position: relative; margin-top: 30px; padding-top: 40px; }
.tl-track{
  position: absolute;
  left: 0; right: 0; top: 74px;
  height: 3px;
  border-radius: 3px;
  background: var(--line);
  overflow: hidden;
}
.tl-progress{
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--tech), var(--brand-2));
  box-shadow: 0 0 16px rgba(0,160,233,.6);
  transition: width 180ms linear;
}
.tl-nodes{ display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.tl-node{ position: relative; text-align: center; padding: 0 8px; }
.tl-dot{
  position: relative;
  display: grid;
  place-items: center;
  width: 68px; height: 68px;
  margin: 0 auto;
  border-radius: 24px;
  background: linear-gradient(150deg, #FFFFFF, #EDF4FC);
  box-shadow: var(--neu-out);
  transition: transform 620ms var(--ease-elastic), opacity 460ms var(--ease), box-shadow var(--dur-hover) var(--ease);
}
.js .tl-dot{ transform: scale(.8); opacity: 0; }
.js .tl-node.is-in .tl-dot{ transform: scale(1); opacity: 1; box-shadow: var(--neu-out), 0 0 0 6px rgba(0,160,233,.08), 0 0 26px rgba(0,160,233,.22); }
.tl-ico{ display: grid; place-items: center; }
.tl-ico .ico--3d{ width: 42px; height: 42px; }
.tl-node:hover .tl-dot{ transform: scale(1.08) translateY(-4px); box-shadow: var(--neu-hover), 0 0 0 8px rgba(0,160,233,.12), 0 0 34px rgba(0,160,233,.3); }
.tl-node h3{ margin-top: 20px; font-size: 17px; font-weight: 700; color: var(--brand); }
.tl-node p{ margin-top: 8px; font-size: 13.5px; line-height: 1.7; color: var(--ink-3); }
.tl-node em{ display: inline-block; margin-top: 12px; padding: 5px 13px; font-size: 11.5px; font-weight: 600; color: var(--tech); background: var(--tech-3); border-radius: var(--r-pill); }

/* ══════════════ 9. 為什麼選擇中天 Bento ══════════════ */
.why-bento{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.wcard{
  position: relative;
  padding: 36px 34px;
  border-radius: var(--r-xl);
  background: linear-gradient(158deg, #FFFFFF, #F3F8FD);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: all var(--dur-hover) var(--ease);
}
.wcard::after{
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 70%; height: 3px;
  transform: translateX(-50%) scaleX(0);
  border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--tech), transparent);
  transition: transform 420ms var(--ease);
}
.wcard:hover{ transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.wcard:hover::after{ transform: translateX(-50%) scaleX(1); }
.wcard--tall{ grid-row: span 2; display: flex; flex-direction: column; }
.wcard--wide{ grid-column: span 2; display: flex; align-items: center; gap: 28px; }
.wcard-ico{
  display: inline-grid;
  place-items: center;
  width: 78px; height: 78px;
  margin-bottom: 24px;
  border-radius: 26px;
  background: linear-gradient(150deg, #FFFFFF, #E9F2FC);
  box-shadow: var(--neu-out);
  transition: transform var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease);
}
.wcard-ico.is-in{ animation: iconFlipIn 900ms var(--ease-elastic) both; }
@keyframes iconFlipIn{
  0%  { opacity: 0; transform: perspective(600px) rotateY(-92deg) scale(.7); }
  60% { opacity: 1; }
  100%{ opacity: 1; transform: perspective(600px) rotateY(0) scale(1); }
}
.wcard:hover .wcard-ico{ transform: scale(1.06); box-shadow: var(--neu-hover); }
.wcard:hover .wcard-ico .ico--3d{ transform: rotate(360deg) scale(1.15); transition: transform 800ms var(--ease); }
.wcard h3{ font-size: 22px; font-weight: 700; color: var(--brand); }
.wcard p{ margin-top: 12px; font-size: 15.5px; line-height: 1.8; color: var(--ink-3); }
.wcard-num{
  margin-top: auto;
  padding-top: 28px;
  font-family: var(--font-num);
  font-size: 76px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  background: linear-gradient(150deg, var(--tech) 0%, var(--brand) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.wcard-num em{ font-size: 22px; -webkit-text-fill-color: var(--ink-4); color: var(--ink-4); margin-left: 4px; }
.wcard-cap{
  display: block;
  margin-top: 12px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-4);
}
/* 卡片底部的承托內容：一律靠下對齊，避免出現大片留白 */
.wcard-foot{ margin-top: auto; padding-top: 24px; }
.wcard-sectors{ margin-top: auto; padding-top: 24px; }
.wcard-label{
  display: block;
  margin-bottom: 11px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink-4);
}
.wcard--tall .wcard-num{ padding-top: 26px; }

/* ══════════════ 10. IT 基礎設施玻璃卡（淺色） ══════════════ */
.infra-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.icard{
  position: relative;
  padding: 34px 28px;
  border-radius: var(--r-xl);
  background: linear-gradient(158deg, rgba(255,255,255,.96) 0%, rgba(246,250,255,.88) 100%);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  backdrop-filter: blur(16px) saturate(170%);
  border: 1px solid rgba(255,255,255,.9);
  box-shadow:
    0 15px 35px rgba(12, 53, 121, 0.06),
    0 2px 8px rgba(12, 53, 121, 0.04);
  overflow: hidden;
  transition:
    transform var(--dur-hover) var(--ease),
    box-shadow var(--dur-hover) var(--ease),
    border-color var(--dur-hover) var(--ease);
}
.icard-border{
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(from var(--ang, 0deg), transparent 0deg, var(--tech) 48deg, var(--tech-2) 92deg, transparent 150deg, transparent 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  animation: borderSpin 4s linear infinite;
  transition: opacity var(--dur-hover) var(--ease);
  pointer-events: none;
}
.icard:hover .icard-border{ opacity: 1; }
.icard:hover{
  transform: translateY(-6px);
  border-color: rgba(0,160,233,.34);
  box-shadow:
    0 25px 50px rgba(12, 53, 121, 0.15),
    0 0 40px rgba(0,160,233,.16);
}
.icard-ico{
  display: grid;
  place-items: center;
  width: 72px; height: 72px;
  margin-bottom: 22px;
  border-radius: 24px;
  background: linear-gradient(150deg, #FFFFFF, #E9F2FC);
  box-shadow: var(--neu-out);
}
.icard:hover .icard-ico .ico--3d{ animation: iconBounce .9s var(--ease) infinite; }
@keyframes iconBounce{
  0%,100%{ transform: translateY(0); }
  35%    { transform: translateY(-9px); }
  60%    { transform: translateY(0); }
  78%    { transform: translateY(-4px); }
}
.icard h3{ font-size: 19px; font-weight: 700; color: var(--brand); }
.icard p{ margin-top: 12px; font-size: 14.5px; line-height: 1.8; color: var(--ink-3); }
.icard-list{ display: grid; gap: 9px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line); }
.icard-list li{ position: relative; padding-left: 18px; font-size: 13.5px; color: var(--ink-3); }
.icard-list li::before{
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--tech);
  box-shadow: 0 0 8px rgba(0,160,233,.6);
}

/* ══════════════ 11. 表單 + FAQ ══════════════ */
.contact-points{ display: grid; gap: 12px; margin: 30px 0 34px; }
.contact-points li{ display: flex; align-items: center; gap: 12px; font-size: 15.5px; color: var(--ink-2); }
.contact-points span{
  display: grid; place-items: center;
  width: 26px; height: 26px;
  flex: none;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--tech), var(--brand-2));
  box-shadow: 0 6px 14px rgba(0,160,233,.28);
}

.form{
  padding: 34px 32px;
  border-radius: var(--r-2xl);
  background: linear-gradient(160deg, #FFFFFF, #F5FAFE);
  box-shadow: var(--shadow-hi);
  border: 1px solid var(--line);
}
.form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field{ position: relative; margin-bottom: 16px; }
.field input, .field textarea, .field select{
  width: 100%;
  padding: 26px 18px 11px;
  font-size: 15.5px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  box-shadow: var(--neu-in);
  outline: none;
  transition:
    border-color var(--dur-hover) var(--ease),
    box-shadow var(--dur-hover) var(--ease),
    background-color var(--dur-hover) var(--ease);
}
.field textarea{ resize: vertical; min-height: 118px; line-height: 1.7; }
.field label{
  position: absolute;
  left: 19px;
  top: 19px;
  font-size: 15.5px;
  color: var(--ink-4);
  pointer-events: none;
  transition: all var(--dur-hover) var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color: var(--tech);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0,160,233,.14), 0 12px 26px rgba(0,160,233,.14);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label{
  top: 9px;
  font-size: 12px;
  font-weight: 600;
  color: var(--tech);
  letter-spacing: .02em;
}
.field--area label{ top: 19px; }
.field-line{
  position: absolute;
  left: 18px; right: 18px; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--tech), var(--tech-2));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 420ms var(--ease);
}
.field input:focus ~ .field-line,
.field textarea:focus ~ .field-line{ transform: scaleX(1); }

.field--select select{
  appearance: none;
  -webkit-appearance: none;
  padding-right: 48px;
  color: var(--ink);
}
.field--select label{ top: 9px; font-size: 12px; font-weight: 600; color: var(--tech); }
.field-caret{ position: absolute; right: 18px; top: 24px; color: var(--ink-4); pointer-events: none; }
.field--select:focus-within .field-caret{ color: var(--tech); }

.form-consent{
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin: 6px 0 20px;
  font-size: 13.5px;
  color: var(--ink-3);
  cursor: pointer;
  line-height: 1.7;
}
.form-consent input{ position: absolute; opacity: 0; pointer-events: none; }
.consent-box{
  display: grid; place-items: center;
  width: 22px; height: 22px;
  flex: none;
  margin-top: 2px;
  border-radius: 8px;
  color: transparent;
  background: #fff;
  box-shadow: var(--neu-in);
  transition: all var(--dur-hover) var(--ease);
}
.form-consent input:checked + .consent-box{
  color: #fff;
  background: linear-gradient(135deg, var(--tech), var(--brand-2));
  box-shadow: 0 8px 18px rgba(0,160,233,.32);
}
.form-consent input:focus-visible + .consent-box{ outline: 2px solid var(--tech); outline-offset: 2px; }
.form-note{ margin-top: 14px; font-size: 12.5px; color: var(--ink-4); text-align: center; }
.form-success{
  display: flex; align-items: center; justify-content: center; gap: 9px;
  margin-top: 14px;
  padding: 13px 18px;
  font-size: 14.5px; font-weight: 600; color: #0E7A4C;
  background: #E6F7EF;
  border-radius: var(--r-md);
  animation: fadeIn .5s var(--ease) both;
}
.form-success[hidden]{ display: none; }

.faq{ padding-top: 6px; }
.faq-title{ font-size: 26px; font-weight: 700; color: var(--brand); margin-bottom: 24px; }
.faq-item{
  margin-bottom: 14px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: box-shadow var(--dur-hover) var(--ease), border-color var(--dur-hover) var(--ease);
}
.faq-item[open]{ border-color: rgba(0,160,233,.3); box-shadow: 0 20px 44px rgba(12,53,121,.1); }
.faq-item summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  font-size: 16.5px;
  font-weight: 600;
  color: var(--brand);
  cursor: pointer;
  list-style: none;
  transition: color var(--dur-hover) var(--ease);
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary:hover{ color: var(--tech); }
.faq-icon{
  position: relative;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  flex: none;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--neu-out-sm);
  transition: transform 400ms var(--ease), background-color 400ms var(--ease);
}
.faq-icon::before, .faq-icon::after{
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  border-radius: 2px;
  background: var(--brand);
  transition: transform 400ms var(--ease), opacity 400ms var(--ease), background-color 400ms var(--ease);
}
.faq-icon::before{ width: 13px; height: 2px; transform: translate(-50%, -50%); }
.faq-icon::after{ width: 2px; height: 13px; transform: translate(-50%, -50%); }
.faq-item summary:hover .faq-icon{ background: var(--tech-3); }
.faq-item[open] .faq-icon{ transform: rotate(180deg); background: linear-gradient(135deg, var(--tech), var(--brand-2)); box-shadow: 0 10px 22px rgba(0,160,233,.32); }
.faq-item[open] .faq-icon::before{ background: #fff; }
.faq-item[open] .faq-icon::after{ transform: translate(-50%, -50%) rotate(90deg) scaleY(0); opacity: 0; }

.faq-body{ display: grid; grid-template-rows: 0fr; transition: grid-template-rows 400ms var(--ease); }
.faq-item[open] .faq-body{ grid-template-rows: 1fr; }
.faq-body > p{
  overflow: hidden;
  padding: 0 24px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-3);
  transition: padding 400ms var(--ease);
}
.faq-item[open] .faq-body > p{ padding: 0 24px 24px; }
.faq-body b{ color: var(--brand); }

.faq-cta{
  margin-top: 26px;
  padding: 26px 28px;
  border-radius: var(--r-xl);
  background: linear-gradient(140deg, #EAF5FE, #F7FBFF);
  box-shadow: inset 0 0 0 1px rgba(0,160,233,.16);
  text-align: center;
}
.faq-cta p{ font-size: 15.5px; color: var(--ink-2); margin-bottom: 16px; }