/* ===========================
   DBS Simulator Section v2   
=========================== */

.dbs-sim{
  padding: 96px 0 112px;
  background:
    radial-gradient(circle at 0 0, #dbeafe 0, rgba(219,234,254,0) 40%),
    radial-gradient(circle at 100% 100%, #e0e7ff 0, rgba(224,231,255,0) 45%),
    #f3f4f6;
}

.dbs-sim-section{
  padding: 80px 0 96px;
  background: radial-gradient(circle at top, #eef3ff 0, #f7f8ff 34%, #f4f5fb 100%);
  position: relative;
}

.dbs-sim-shell{
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Head：置中＋兩段色 */
.dbs-sim-head{
  text-align: center;
  margin-bottom: 40px;
}

.dbs-sim-header{
  text-align: center;
  max-width: 720px;
  margin: 0 auto 32px;
}

.dbs-sim-eyebrow{
  text-align: center;
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #7d89b2;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}

.dbs-eyebrow {
  font-size: 12px;
  text-align:center;
}

.dbs-title{
  margin-top: 16px;
  text-align:center;
  font-size: 32px;
  font-weight: 800;
  color:#111827;
}

.dbs-title span{
  color:#2563eb;
}

.dbs-subtitle{
  margin-top: 8px;
  text-align:center;
  font-size: 14px;
  color:#6b7280;
}

/* 三欄 layout */
.dbs-sim-layout{
  margin-top: 40px;
  display:grid;
  grid-template-columns: minmax(0,320px) minmax(0,430px) minmax(0,360px);
  gap: 32px;
  align-items: center;
}

.dbs-col-title{
  font-size:13px;
  font-weight:700;
  color:#9ca3af;
  margin-bottom: 12px;
}

.dbs-sim-eyebrow i{
  font-size: 13px;
  color: #3b82f6;
}

.dbs-sim-title{
  font-size: 32px;
  font-weight: 800;
  letter-spacing: .04em;
  color: #111827;
}

.dbs-sim-title span{
  color: #3b82f6;
}

.dbs-sim-subtitle{
  margin-top: 8px;
  font-size: 14px;
  color: #6b7280;
}

.dbs-sim-desc{
  font-size: 14px;
  line-height: 1.8;
  color: #6b7280;
}
/* ==============================
   CENTER GRID + DBS CORE
============================== */
.dbs-center-column{
  align-self: stretch;
}

/* 三欄 Grid */
.dbs-sim-grid{
  position:relative;
  border-radius:32px;
  padding:26px;
  background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(255,255,255,.82));
  box-shadow:
    0 35px 80px rgba(148,163,184,.4),
    0 0 0 1px rgba(148,163,184,.25);
  overflow:hidden;
}

/* 背後柔和粒子 */
.dbs-sim-grid::before{
  content:"";
  position:absolute;
  inset:-35%;
  background:
    radial-gradient(circle at 0% 0%, rgba(129,140,248,.22), transparent 60%),
    radial-gradient(circle at 120% 100%, rgba(56,189,248,.18), transparent 65%);
  opacity:.75;
  pointer-events:none;
}

/* grid panel */
.dbs-core-panel{
  position:relative;
  border-radius:24px;
  background:linear-gradient(145deg,rgba(15,23,42,.9),rgba(31,41,55,.95));
  overflow:hidden;
  padding:34px;
}

/* 細格線 */
.dbs-core-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right,rgba(148,163,184,.18) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(148,163,184,.18) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.55;
}

.dbs-col-title{
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #9ca3af;
  margin-bottom: 10px;
}

/* ---- 主玻璃 Panel ---- */
.dbs-sim-panel{
  margin-top: 24px;
  border-radius: 32px;
  background: linear-gradient(135deg,
              rgba(255,255,255,0.96),
              rgba(248,250,252,0.92));
  backdrop-filter: blur(26px);
  -webkit-backdrop-filter: blur(26px);
  box-shadow:
    0 32px 90px rgba(15,23,42,0.16),
    0 0   0  1px rgba(148,163,184,0.22);
  display: grid;
  grid-template-columns: minmax(0, 290px)
                         minmax(0, 1.1fr)
                         minmax(0, 290px);
  column-gap: 24px;
  padding: 30px 34px 30px;
  position: relative;
  overflow: hidden;
}

/* 外圍柔光 */
.dbs-sim-panel::before{
  content:"";
  position:absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 20% 0%, rgba(255,255,255,0.9) 0, transparent 55%),
    radial-gradient(circle at 80% 100%, rgba(191,219,254,0.75) 0, transparent 60%);
  opacity:0.8;
  pointer-events:none;
}

/* 中間細分隔線 */
.dbs-sim-panel::after{
  content:"";
  position:absolute;
  top: 26px;
  bottom: 26px;
  left: 50%;
  width: 1px;
  transform: translateX(10px);
  background: linear-gradient(to bottom,
               rgba(209,213,219,0),
               rgba(209,213,219,0.9),
               rgba(209,213,219,0));
  opacity: 0.75;
}

.dbs-sim-col{
  position: relative;
  z-index: 2;
}

.dbs-sim-col-title{
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 16px;
}

/* ---- 左右卡片共用 ---- */
.dbs-sim-card{
  width: 100%;
  border-radius: 18px;
  background:
    linear-gradient(135deg,#ffffff,#f5f7fb);
  border: 1px solid rgba(148,163,184,0.25);
  box-shadow:
    0 18px 40px rgba(15,23,42,0.10),
    0 0   0  1px rgba(255,255,255,0.8) inset;
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  text-align: left;
  position: relative;
  overflow: hidden;
  cursor: default;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease;
}

.dbs-sim-card::after{
  /* 卡片上方淡淡光帶 */
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:46%;
  background: linear-gradient(to bottom,
               rgba(255,255,255,0.9),
               rgba(255,255,255,0));
  pointer-events:none;
  opacity:.9;
}

.dbs-sim-card + .dbs-sim-card{
  margin-top: 12px;
}

/* hover 輕微浮起 */
.dbs-sim-card:hover{
  transform: translateY(-2px);
  box-shadow:
    0 22px 46px rgba(15,23,42,0.16),
    0 0   0  1px rgba(129,140,248,0.28);
}

/* ---- 圓形 Icon ---- */

.dbs-sim-card-ico{
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}

.badge-traffic{
  background: radial-gradient(circle at 30% 20%,#c7d2fe 0,#4f46e5 60%);
  box-shadow:
    0 0 0 1px rgba(79,70,229,0.55),
    0 0 18px rgba(79,70,229,0.55);
}
.badge-ai{
  background: radial-gradient(circle at 30% 20%,#fed7e2 0,#db2777 60%);
  box-shadow:
    0 0 0 1px rgba(219,39,119,0.6),
    0 0 18px rgba(219,39,119,0.55);
}
.badge-iot{
  background: radial-gradient(circle at 30% 20%,#bbf7d0 0,#16a34a 60%);
  box-shadow:
    0 0 0 1px rgba(22,163,74,0.55),
    0 0 18px rgba(22,163,74,0.55);
}

.dbs-sim-card-ico span{
  width: 15px;
  height: 15px;
  border-radius: 5px;
  border: 2px solid rgba(255,255,255,0.96);
  box-shadow: 0 0 0 1px rgba(15,23,42,0.28);
}

/* 卡片文字 */

.dbs-sim-card-body h3{
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
}

.dbs-sim-card-body p{
  font-size: 12px;
  margin-top: 3px;
  color: #6b7280;
}

/* ---- 左側 Source Cards ---- */

.dbs-sim-source{
  border: none;
  background: none;
  padding: 0;
}

.dbs-sim-source.dbs-sim-card{
  cursor: pointer;
}

.dbs-sim-source.is-active{
  transform: translateY(-4px);
  border-color: rgba(56,189,248,0.95);
  box-shadow:
    0 26px 52px rgba(56,189,248,0.45),
    0 0   0  1px rgba(37,99,235,0.50);
  background: linear-gradient(145deg,#f9fbff,#eef4ff);
}

.dbs-sim-hint{
  margin-top: 14px;
  font-size: 11px;
  color: #9ca3af;
}

/* ---- 中央 DBS Core 區 ---- */

.dbs-sim-col-center{
  display:flex;
  align-items:center;
  justify-content:center;
}

.dbs-sim-center-inner{
  position: relative;
  width: 100%;
  max-width: 420px;
  min-height: 320px;
}

/* 用 pseudo 畫兩條大弧線 */
.dbs-sim-center-inner::before,
.dbs-sim-center-inner::after{
  content:"";
  position:absolute;
  border-radius: 999px;
  border: 2px solid rgba(203,213,225,0.8);
  border-right-color: transparent;
  border-top-color: transparent;
  pointer-events:none;
}

.dbs-sim-center-inner::before{
  /* 外圈大弧線 */
  width: 260%;
  height: 260%;
  left: -40%;
  top: -80%;
  opacity: 0.75;
}

.dbs-sim-center-inner::after{
  /* 內圈小弧線 */
  width: 200%;
  height: 200%;
  left: -20%;
  top: -40%;
  opacity: 0.55;
}

#dbsSimCanvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
}

/* 圓形玻璃 DBS 核心 */

.dbs-sim-core-chip{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  pointer-events:none;
}

.dbs-sim-core-circle{
  width: 196px;
  height: 196px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 28% 18%, #ffffff 0, #f4f7ff 40%, #e5edff 100%);
  box-shadow:
    0 32px 80px rgba(15,23,42,0.26),
    0 0   0 1px rgba(148,163,184,0.42);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  position: relative;
  overflow: hidden;
}

.dbs-sim-core-circle::before{
  /* 上方玻璃高光 */
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(to bottom,
               rgba(255,255,255,0.96),
               rgba(255,255,255,0));
  opacity:.9;
}

.dbs-sim-core-title{
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: #3b82f6;
  position:relative;
}

.dbs-sim-core-sub{
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #9ca3af;
  margin-top: 4px;
  position:relative;
}

.dbs-sim-core-note{
  font-size: 11px;
  color: #6b7280;
  margin-top: 10px;
  white-space: nowrap;
  position:relative;
}

/* 內部 Pulse 光圈 */

.dbs-sim-core-pulse{
  position:absolute;
  inset: 22%;
  border-radius:999px;
  border:1px solid rgba(129,140,248,0.85);
  box-shadow: 0 0 36px rgba(129,140,248,0.85);
  opacity:0.35;
  animation: dbsCorePulse 3s ease-out infinite;
}

@keyframes dbsCorePulse{
  0%  { transform: scale(0.78); opacity:0.6; }
  70% { transform: scale(1.1);  opacity:0;   }
  100%{ transform: scale(1.15); opacity:0;   }
}

/* 自動模擬開關 */

.dbs-sim-play-toggle{
  position:absolute;
  bottom: 18px;
  right: 18px;
  padding: 6px 12px 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,0.4);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-size: 11px;
  color: #4b5563;
  display:inline-flex;
  align-items:center;
  gap: 6px;
  cursor:pointer;
  box-shadow: 0 14px 30px rgba(15,23,42,0.18);
  z-index:3;
}

.dbs-sim-play-toggle:hover{
  border-color:#60a5fa;
}

.dbs-sim-play-dot{
  width: 9px;
  height: 9px;
  border-radius:999px;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.25);
  transition: background .2s ease, box-shadow .2s ease;
}

.dbs-sim-play-toggle.is-paused .dbs-sim-play-dot{
  background:#9ca3af;
  box-shadow:none;
}

/* ---- 右側事件卡 ---- */

.dbs-sim-event-list .dbs-sim-card{
  cursor:default;
}

.dbs-sim-tag{
  display:inline-flex;
  align-items:center;
  padding: 2px 8px;
  border-radius:999px;
  background: rgba(239,246,255,0.96);
  color:#1d4ed8;
  font-size:10px;
  font-weight:600;
  margin-bottom:4px;
}

.dbs-sim-card[data-source="ai"] .dbs-sim-tag{
  background: rgba(252,231,243,0.96);
  color:#be185d;
}
.dbs-sim-card[data-source="iot"] .dbs-sim-tag{
  background: rgba(220,252,231,0.96);
  color:#15803d;
}

.dbs-sim-bar{
  width:100%;
  height:6px;
  border-radius:999px;
  background:#e5e7eb;
  overflow:hidden;
  margin-top:8px;
}

.dbs-sim-bar-fill{
  width:0;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,#4f46e5,#22c55e);
}

.dbs-sim-metric{
  margin-top:6px;
  font-size:11px;
  color:#6b7280;
}

/* 高亮中的事件：條件動畫更誇張 */
.dbs-sim-event.is-highlight{
  box-shadow:
    0 22px 52px rgba(56,189,248,0.35),
    0 0   0  1px rgba(37,99,235,0.4);
  border-color:rgba(56,189,248,0.95);
}

.dbs-sim-event.is-highlight .dbs-sim-bar-fill{
  animation: dbsSimBarFlow 2.1s ease-in-out infinite;
}

@keyframes dbsSimBarFlow{
  0%  { width:0; }
  40% { width:100%; }
  100%{ width:45%; }
}

/* ---- RWD ---- */

@media (max-width: 1024px){
  .dbs-sim-panel{
    grid-template-columns: minmax(0,1fr);
    row-gap: 24px;
    padding: 24px 22px 26px;
  }
  .dbs-sim-panel::after{
    display:none; /* 手機就不需要中間那條線 */
  }
  .dbs-sim-col-center{
    order:-1;
  }
  .dbs-sim-center-inner{
    max-width:none;
    min-height:260px;
  }
}

@media (max-width: 640px){
  .dbs-sim-panel{
    border-radius: 24px;
  }
  .dbs-sim-core-circle{
    width:162px;
    height:162px;
  }
}

/* ================================
   LEFT – Source Cards
================================ */
.dbs-sim-left{
  display: flex;
  flex-direction: column;
}

.dbs-source-column{
  align-self: stretch;
}

.dbs-source-card{
  width:100%;
  border-radius:24px;
  padding:18px 22px;
  margin-bottom:16px;
  border:1px solid rgba(148,163,184,.25);
  background:rgba(255,255,255,.86);
  backdrop-filter: blur(18px);
  box-shadow:0 18px 40px rgba(148,163,184,.16);
  display:flex;
  align-items:flex-start;
  gap:14px;
  cursor:pointer;
  transition: all .25s ease;
}

.dbs-source-card:hover{
  transform: translateY(-2px);
  box-shadow:0 22px 46px rgba(148,163,184,.24);
}

.dbs-source-card.is-active{
  border-color:#2563eb;
  box-shadow:0 24px 60px rgba(37,99,235,.28);
}

.dbs-source-icon{
  width:38px;
  height:38px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:16px;
  flex-shrink:0;
  box-shadow:0 8px 22px rgba(15,23,42,.3);
}

.dbs-source-ico{
  width: 36px;
  height: 36px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color:#fff;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(15,23,42,.18);
}

.dbs-source-ico i{
  font-size: 16px;
}

/* 分別的 icon 顏色 */
.dbs-source-icon--traffic{
  background:linear-gradient(145deg,#2563eb,#38bdf8);
}
.dbs-source-icon--ai{
  background:linear-gradient(145deg,#f97316,#fb7185);
}
.dbs-source-icon--iot{
  background:linear-gradient(145deg,#16a34a,#22c55e);
}

.dbs-source-copy h3{
  font-size:15px;
  font-weight:700;
  color:#111827;
}
.dbs-source-copy p{
  margin-top:4px;
  font-size:13px;
  color:#6b7280;
}

.dbs-source-hint{
  margin-top:12px;
  font-size:11px;
  color:#9ca3af;
}

.dbs-source-title{
  font-size: 15px;
  font-weight: 700;
  color:#111827;
  margin-bottom: 4px;
}

.dbs-source-sub{
  font-size: 12px;
  line-height: 1.6;
  color:#6b7280;
}

.dbs-left-note{
  margin-top: 6px;
  font-size: 11px;
  color:#9ca3af;
}

/* ================================
   CENTER – DBS Core + Lines
================================ */
.dbs-sim-center{
  display:flex;
  align-items:center;
  justify-content:center;
}

.dbs-core-card{
  position:relative;
  width:100%;
  max-width:360px;
  aspect-ratio: 4 / 3;
  border-radius: 32px;
  background:
    radial-gradient(circle at 50% 10%, rgba(191,219,254,.55) 0,rgba(191,219,254,0) 55%),
    linear-gradient(145deg,#f9fafb1f,#e5e7eb);
  box-shadow:
    0 28px 80px rgba(15,23,42,.20),
    inset 0 0 0 1px rgba(148,163,184,.32);
  /* overflow:hidden; */
}

/* 背景細格線 */
.dbs-core-card::before{
  content:"";
  position:absolute;
  inset:14px 18px;
  background-image:
    linear-gradient(to right,rgba(148,163,184,.22) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(148,163,184,.22) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.85;
}

/* 來源連線 (anchor by JS) */
.dbs-core-lines{
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:3;
}

.dbs-core-line{
  position:absolute;
  height:2px;
  border-radius:999px;
  background:linear-gradient(to right,rgba(148,163,184,.15),rgba(148,163,184,.8),rgba(148,163,184,.2));
  opacity:.9;
  transform-origin:0 50%;
}

/* 這三個 class 名字保留 */
.dbs-core-line--traffic{}
.dbs-core-line--ai{}
.dbs-core-line--iot{}

/* 依來源帶顏色 */
.dbs-sim-grid[data-source="traffic"] .dbs-core-line--traffic{
  background:linear-gradient(to right,rgba(37,99,235,.1),rgba(37,99,235,1),rgba(129,140,248,.3));
}
.dbs-sim-grid[data-source="ai"] .dbs-core-line--ai{
  background:linear-gradient(to right,rgba(236,72,153,.1),rgba(236,72,153,1),rgba(251,113,133,.35));
}
.dbs-sim-grid[data-source="iot"] .dbs-core-line--iot{
  background:linear-gradient(to right,rgba(16,185,129,.1),rgba(16,185,129,1),rgba(74,222,128,.35));
}

/* DBS Core 圓盤 */
.dbs-core-card{
  position:relative;
  width:260px;
  height:260px;
  border-radius:999px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2;
}

/* 外圈玻璃盤 */
.dbs-core-card::after{
  content:"";
  position:absolute;
  inset:6%;
  border-radius:inherit;
  background: radial-gradient(circle at 30% 0%,
              rgba(248,250,252,.95),
              rgba(226,232,240,.98),
              rgba(191,219,254,.96));
  box-shadow:0 26px 60px rgba(15,23,42,.7);
}

/* 呼吸光暈：主 glow */
.dbs-core-card::before{
  content:"";
  position:absolute;
  inset:-12%;
  border-radius:inherit;
  background:radial-gradient(circle at 50% 30%,
            rgba(96,165,250,.7),
            rgba(129,140,248,.45),
            rgba(15,23,42,0));
  opacity:.45;
  filter:blur(4px);
  transform:scale(.94);
  animation: dbsBreath 4.4s ease-in-out infinite;
}

/* 依來源變色 */
.dbs-sim-grid[data-source="traffic"] .dbs-core-card::before{
  background:radial-gradient(circle at 50% 30%,
            rgba(59,130,246,.75),
            rgba(56,189,248,.45),
            rgba(15,23,42,0));
}
.dbs-sim-grid[data-source="ai"] .dbs-core-card::before{
  background:radial-gradient(circle at 50% 30%,
            rgba(236,72,153,.8),
            rgba(251,113,133,.5),
            rgba(15,23,42,0));
}
.dbs-sim-grid[data-source="iot"] .dbs-core-card::before{
  background:radial-gradient(circle at 50% 30%,
            rgba(16,185,129,.8),
            rgba(52,211,153,.5),
            rgba(15,23,42,0));
}           

/* 內圈漸層盤 */
.dbs-core-inner{
  position:relative;
  z-index:3;
  width:190px;
  height:190px;
  border-radius:inherit;
  background:radial-gradient(circle at 30% 0%,
            #ffffff 0,
            #e0ebff 38%,
            #c4d4ff 70%,
            #b0c0ff 100%);
  box-shadow:inset 0 0 0 1px rgba(148,163,184,.25);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}

/* 內圈再加一層微光 */
.dbs-core-inner::before{
  content:"";
  position:absolute;
  inset:14%;
  border-radius:inherit;
  background:radial-gradient(circle at 50% 0%,
            rgba(255,255,255,.9),
            rgba(219,234,254,.96),
            rgba(191,219,254,.9));
  opacity:.9;
}

/* 標籤文字 */
.dbs-core-label-main{
  position:relative;
  z-index:2;
  font-size:26px;
  font-weight:800;
  letter-spacing:.22em;
  text-indent:.22em;
  color:#1d39a8;
}
.dbs-core-label-sub{
  position:relative;
  z-index:2;
  margin-top:6px;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:#4b5563;
}

/* 呼吸動畫 */
@keyframes dbsBreath{
  0%,100%{
    opacity:.45;
    transform:scale(.94);
    box-shadow:0 0 40px rgba(129,140,248,.55);
  }
  50%{
    opacity:.9;
    transform:scale(1.03);
    box-shadow:0 0 90px rgba(129,140,248,.95);
  }
}

/* 滑鼠 hover 在 core 時加強一次 */
.dbs-core-card.is-hovered::before{
  animation-duration:2.2s;
  opacity:1;
}

/* 中央 DBS 圓心（ */
.dbs-core-circle{
  position:absolute;
  inset:50% auto auto 50%;
  width: 170px;
  height: 170px;
  transform: translate(-50%, -50%);
  border-radius:50%;
  background:
    radial-gradient(circle at 30% 0%,rgba(191,219,254,.85),transparent 60%),
    radial-gradient(circle at 80% 100%,rgba(129,140,248,.85),transparent 70%),
    #ffffff;
  box-shadow:
    0 24px 70px rgba(15,23,42,.38),
    0 0 0 1px rgba(129,140,248,.45),
    0 0 0 12px rgba(255,255,255,.72);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.dbs-core-label-main{
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .26em;
  text-indent: .26em;
  color:#3730a3;
  margin-bottom: 6px;
}

.dbs-core-label-sub{
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .32em;
  text-indent: .32em;
  color:#9ca3af;
}

/* ================================
   RIGHT – Event List
================================ */
.dbs-sim-right{
  display:flex;
  flex-direction:column;
}

.dbs-events-head{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-bottom:10px;
}

.dbs-events-tip{
  font-size:11px;
  color:#9ca3af;
}
/* ==============================
   RIGHT STREAM LIST
============================== */

.dbs-stream-column{
  align-self: stretch;
  display:flex;
  flex-direction:column;
}

.dbs-stream-header{
  margin-bottom:12px;
}

.dbs-stream-legend{
  font-size:11px;
  color:#9ca3af;
}

.dot{
  display:inline-block;
  width:8px;
  height:8px;
  border-radius:999px;
  margin:0 4px;
}
.dot--traffic{ background:#2563eb; }
.dot--ai{ background:#a855f7; }
.dot--iot{ background:#16a34a; }

.dbs-stream-panel{
  border-radius:24px;
  background:rgba(255,255,255,.92);
  backdrop-filter: blur(18px);
  box-shadow:0 24px 60px rgba(148,163,184,.35);
  padding:14px 0;
  max-height:420px;
  overflow-y:auto;
}

.dbs-stream-list{
  list-style:none;
  margin:0;
  padding:0;
}

.dbs-stream-item{
  padding:10px 20px 12px 20px;
  display:flex;
  flex-direction:column;
  gap:4px;
  border-bottom:1px solid rgba(229,231,235,.75);
}

.dbs-stream-item:last-child{
  border-bottom:none;
}

/* 左邊 colored bar */
.dbs-stream-pill{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:11px;
  color:#4b5563;
}

.dbs-stream-bar{
  width:3px;
  height:20px;
  border-radius:999px;
}

.dbs-stream-bar--traffic{ background:#2563eb; }
.dbs-stream-bar--ai{ background:#a855f7; }
.dbs-stream-bar--iot{ background:#16a34a; }

.dbs-stream-tag{
  padding:2px 8px;
  border-radius:999px;
  background:#f3f4ff;
  color:#4b5563;
  font-weight:600;
}

.dbs-stream-title{
  font-size:13px;
  font-weight:700;
  color:#111827;
}

.dbs-stream-meta{
  font-size:11px;
  color:#6b7280;
}

/* 新事件進場淡入 */
.dbs-stream-item.is-new{
  animation: streamIn .35s ease-out;
}

@keyframes streamIn{
  from{
    opacity:0;
    transform:translateY(6px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* ==============================
   RWD
============================== */

@media (max-width: 1024px){
  .dbs-sim-layout{
    grid-template-columns: minmax(0,1fr);
    gap:24px;
  }
  .dbs-center-column{
    order:2;
  }
  .dbs-stream-column{
    order:3;
  }
}

@media (max-width: 640px){
  .dbs-sim-shell{
    padding:0 18px;
  }
  .dbs-core-card{
    width:220px;
    height:220px;
  }
  .dbs-core-inner{
    width:170px;
    height:170px;
  }
}

/* 右側事件列表容器：固定高度＋捲動 */
.dbs-event-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  max-height: 420px;
  padding-right:6px;
  overflow-y:auto;
  scroll-behavior:smooth;
}

/* 單一事件卡片：新加入時有淡入＋微滑動效果 */
.dbs-event-card{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:12px 14px 12px 10px;
  border-radius:18px;
  background: rgba(255,255,255,.98);
  box-shadow: 0 14px 38px rgba(15,23,42,.08);
  opacity:0;
  transform: translateY(4px);
  animation: dbsEventIn .32s ease forwards;
}

@keyframes dbsEventIn{
  0%{
    opacity:0;
    transform:translateY(6px);
  }
  100%{
    opacity:1;
    transform:translateY(0);
  }
}

/* 左側色條依來源改色 */
.dbs-event-bar{
  width:5px;
  border-radius:999px;
  align-self:stretch;
}

.dbs-event-bar--traffic{ background: linear-gradient(to bottom,#4a4cde,#030b80); }
.dbs-event-bar--ai{ background: linear-gradient(to bottom,#f97316,#ec4899); }
.dbs-event-bar--iot{ background: linear-gradient(to bottom,#22c55e,#02abb8); }

.dbs-event-body{
  flex:1;
}

.dbs-event-tag-row{
  display:flex;
  align-items:center;
  gap:6px;
  margin-bottom:3px;
}

.dbs-event-tag{
  font-size:11px;
  padding:2px 7px;
  border-radius:999px;
  border:1px solid transparent;
}

.dbs-event-tag--traffic{
  color:#07229c;
  background:rgba(22, 95, 163, 0.1);
  border-color:rgba(22, 67, 163, 0.18);
}

.dbs-event-tag--ai{
  color:#9a3412;
  background:rgba(249,115,22,.1);
  border-color:rgba(249,115,22,.2);
}

.dbs-event-tag--iot{
  color:#0e9074;
  background:rgba(14, 233, 222, 0.08);
  border-color:rgba(14, 233, 204, 0.18);
}

.dbs-event-title{
  font-size:13px;
  font-weight:600;
  color:#111827;
  margin-bottom:2px;
}

.dbs-event-meta{
  font-size:11px;
  color:#6b7280;
}

/* ================================
   RWD
================================ */
@media (max-width: 1024px){
  .dbs-sim-grid{
    grid-template-columns: minmax(0,1fr);
    gap: 24px;
  }
  .dbs-sim-center{
    order: -1;
  }
}
/* ============================
   DBS Decision Section   
============================ */

.dbs-dec-section{
  padding: 80px 0 96px;
  background: radial-gradient(circle at top left,#111827 0,#020617 48%,#020617 100%);
  color:#e5e7eb;
}

.dbs-dec-shell{
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

.dbs-dec-grid{
  display:grid;
  grid-template-columns:minmax(0,480px) minmax(0,1fr);
  gap:48px;
  align-items:center;
}

/* Eyebrow + Title */
.dbs-dec-eyebrow{
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:#9ca3ff;
  margin-bottom:10px;
}

.dbs-dec-title{
  font-size:36px;
  line-height:1.25;
  font-weight:800;
  color:#f9fafb;
  letter-spacing: 0.02em;
}

.dbs-dec-title span{
  color:#60a5fa;
}

.dbs-dec-lead{
  margin-top:14px;
  font-size:14px;
  color:#9ca3af;
}

/* 左側影像區 */
.dbs-dec-media{
  position:relative;
  min-height:280px;
  perspective:1000px;
}

.dbs-dec-photo{
  position:absolute;
  border-radius:28px; 
  overflow:hidden;
  background:#020617;
  box-shadow:
    0 28px 60px rgba(15,23,42,.9),
    0 0 0 1px rgba(15,23,42,.7);
  transform-style:preserve-3d;
  transition:transform .45s cubic-bezier(.19,1,.22,1), 
             box-shadow .3s ease, 
             filter .3s ease;
}

/* 左側影像區：共用設定 */
.dbs-dec-photo img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:26px;
}

/* 調整「主照片」 */
.dbs-dec-photo--primary img{
  object-position: center 50%;   
}

/* 主圖與疊圖位置 */
.dbs-dec-photo--primary{
  inset:0;
}

.dbs-dec-photo--overlay{
  width:56%;
  height:62%;
  right:-10%;
  bottom:-6%;
  transform:translateZ(40px);
  box-shadow:
    0 20px 50px rgba(15,23,42,.9),
    0 0 0 1px rgba(148,163,184,.45);
}

/* Hover 微動態 */
.dbs-dec-media:hover .dbs-dec-photo--primary{
  transform:translateZ(10px) translateY(-4px);
  filter:brightness(1.03);
}
.dbs-dec-media:hover .dbs-dec-photo--overlay{
  transform:translateZ(70px) translateY(-8px);
}

/* 右側三個重點 */
.dbs-dec-benefits{
  list-style:none;
  margin:26px 0 0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.dbs-dec-item{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:12px 16px;
  border-radius:20px;
  background:linear-gradient(135deg,
              rgba(15,23,42,.92),
              rgba(15,23,42,.86));
  backdrop-filter:blur(16px);
  border:1px solid rgba(148,163,184,.45);
  box-shadow:0 16px 30px rgba(0,0,0,.55);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}

.dbs-dec-item:hover{
  transform:translateY(-3px);
  border-color:rgba(96,165,250,.8);
  box-shadow:0 20px 40px rgba(37,99,235,.65);
  background:linear-gradient(135deg,
              rgba(15,23,42,.96),
              rgba(30,64,175,.9));
}

.dbs-dec-icon{
  width:32px;
  height:32px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  background:radial-gradient(circle at 30% 0,#4f46e5,#1d4ed8);
  box-shadow:0 12px 30px rgba(37,99,235,.9);
  color:#f9fafb;
  font-size:15px;
}

.dbs-dec-text h3{
  font-size:17px;
  font-weight:700;
  color: #f9fafb;
}
.dbs-dec-text p{
  margin-top:4px;
  font-size:14px;
line-height: 1.7;
  color: #9ca3af;
}

/* 進場動畫（搭配 JS 加 is-visible） */
.dbs-dec-section .dbs-dec-media,
.dbs-dec-section .dbs-dec-content{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .7s ease, transform .7s ease;
}

.dbs-dec-section.is-visible .dbs-dec-media{
  opacity:1;
  transform:translateY(0);
}

.dbs-dec-section.is-visible .dbs-dec-content{
  opacity:1;
  transform:translateY(0);
  transition-delay:.12s;
}

/* RWD */
@media (max-width: 1024px){
  .dbs-dec-grid{
    grid-template-columns:minmax(0,1fr);
    gap:32px;
  }
  .dbs-dec-media{
    order:2;
  }
}

@media (max-width: 640px){
  .dbs-dec-shell{
    padding:0 20px;
  }
  .dbs-dec-photo--overlay{
    right:-4%;
    bottom:-10%;
  }
}