/* 独立光储交互区：依赖站点已有的 --green、--line 主题变量 */
.solar-v4 {
  --energy-ink: var(--text, #f0f2e9);
  --energy-muted: var(--muted, #919b92);
  --energy-lime: var(--green, #c1fa71);
  --energy-line: var(--line, #29302a);
  --energy-cyan: #69e6d0;
  --energy-panel: #101510;
  padding-block: clamp(76px, 9vw, 132px);
}

.solar-v4 .solar-v4__intro {
  max-width: 760px;
  margin: 0 auto clamp(34px, 5vw, 58px);
  text-align: center;
}

.solar-v4 .solar-v4__eyebrow {
  margin: 0 0 18px;
  color: var(--energy-lime);
  font: 600 12px/1.5 Arial, sans-serif;
  letter-spacing: .18em;
}

.solar-v4 .solar-v4__intro h2 {
  margin: 0;
  color: var(--energy-ink);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 550;
  letter-spacing: -.055em;
  line-height: 1.2;
}

.solar-v4 .solar-v4__intro h2 span { color: var(--energy-lime); }

.solar-v4 .solar-v4__lede {
  max-width: 600px;
  margin: 22px auto 0;
  color: #abb4aa;
  font-size: clamp(15px, 1.45vw, 17px);
  line-height: 1.85;
}

.solar-v4 .energy-experience { width: 100%; }

.solar-v4 .energy-viewport {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  min-height: 560px;
  max-height: 700px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid #c1fa712b;
  border-radius: 14px;
  background: radial-gradient(ellipse at 50% 49%, #172119 0, #0b100c 62%, #080b09 100%);
  box-shadow: inset 0 1px #ffffff08, 0 24px 70px #0000002b;
}

.solar-v4 .energy-viewport::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: linear-gradient(#ffffff08 1px, transparent 1px), linear-gradient(90deg, #ffffff08 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: radial-gradient(ellipse at center, black, transparent 78%);
  pointer-events: none;
}

.solar-v4 .energy-viewport__topbar,
.solar-v4 .energy-viewport__footer {
  position: relative;
  z-index: 3;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
}

.solar-v4 .energy-viewport__topbar {
  min-height: 70px;
  border-bottom: 1px solid #ffffff0d;
  background: linear-gradient(180deg, #080b09d9, #080b095c);
}

.solar-v4 .energy-status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  color: var(--energy-ink);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.solar-v4 .energy-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--energy-lime);
  box-shadow: 0 0 14px #c1fa7180;
}

.solar-v4 .energy-status__time { font-variant-numeric: tabular-nums; }
.solar-v4 .energy-status__divider { width: 1px; height: 16px; background: #ffffff36; }
.solar-v4 .energy-status__mode { color: #c4ccc3; font-weight: 450; }

.solar-v4 .energy-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.solar-v4 .energy-control {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid #ffffff24;
  border-radius: 6px;
  background: #0d120fdb;
  color: #dce2d9;
  font-size: 13px;
  line-height: 1.2;
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.solar-v4 .energy-control:hover,
.solar-v4 .energy-control--active {
  border-color: #c1fa7180;
  color: var(--energy-lime);
}

.solar-v4 .energy-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.solar-v4 #energy-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
}

.solar-v4 .energy-labels {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.solar-v4 .energy-label {
  position: absolute;
  display: flex;
  min-width: 96px;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  transform: translate(-50%, -50%);
  border: 1px solid #ffffff20;
  border-radius: 7px;
  background: #080d0bed;
  box-shadow: 0 8px 24px #0008;
  color: #f1f4ec;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.25;
  text-align: center;
  white-space: nowrap;
  transition: border-color .25s ease, opacity .25s ease, box-shadow .25s ease;
}

.solar-v4 .energy-label small {
  color: #a6b1a6;
  font-size: 12px;
  font-weight: 450;
  line-height: 1.35;
}

.solar-v4 .energy-label.is-active {
  border-color: #c1fa71a8;
  box-shadow: 0 0 0 1px #c1fa7122, 0 0 24px #c1fa7126;
}

.solar-v4 .energy-label[data-energy-kind="solar"],
.solar-v4 .energy-label[data-energy-kind="pv"] { border-color: #f6cf5580; }
.solar-v4 .energy-label[data-energy-kind="storage"],
.solar-v4 .energy-label[data-energy-kind="battery"] { border-color: #69e6d080; }
.solar-v4 .energy-label[data-energy-kind="load"],
.solar-v4 .energy-label[data-energy-kind="home"] { border-color: #ffffff70; }

.solar-v4 .energy-fallback {
  position: absolute;
  z-index: 4;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 28px;
  background: radial-gradient(ellipse at center, #172119, #0a0e0b 75%);
  color: var(--energy-ink);
  text-align: center;
}

.solar-v4 .energy-fallback[hidden] { display: none; }
.solar-v4 .energy-fallback__title { margin: 0; color: var(--energy-lime); font-size: 20px; font-weight: 650; }
.solar-v4 .energy-fallback > p:last-child { max-width: 620px; margin: 0; color: #bdc6bc; font-size: 15px; line-height: 1.7; }
.solar-v4 .energy-fallback__route { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; }
.solar-v4 .energy-fallback__route span { padding: 10px 13px; border: 1px solid var(--energy-line); border-radius: 6px; background: #111812; font-size: 15px; }
.solar-v4 .energy-fallback__route span:first-child { border-color: #f6cf5570; }
.solar-v4 .energy-fallback__route span:last-child { border-color: #69e6d070; }
.solar-v4 .energy-fallback__route b { color: var(--energy-lime); font-size: 19px; }
.solar-v4 .energy-fallback__route i { flex-basis: 100%; margin: 0 0 -8px; color: #d9bd60; font-size: 13px; font-style: normal; }

.solar-v4 .energy-viewport__footer {
  min-height: 58px;
  border-top: 1px solid #ffffff0d;
  background: linear-gradient(0deg, #080b09d9, #080b095c);
}

.solar-v4 .energy-legend { display: flex; flex-wrap: wrap; gap: 20px; }
.solar-v4 .energy-legend > span { display: inline-flex; align-items: center; gap: 8px; color: #d2d9d0; font-size: 13px; }
.solar-v4 .energy-legend__swatch { width: 9px; height: 9px; border-radius: 50%; box-shadow: 0 0 12px currentColor; }
.solar-v4 .energy-legend__swatch--solar { background: #f6cf55; color: #f6cf55; }
.solar-v4 .energy-legend__swatch--storage { background: var(--energy-cyan); color: var(--energy-cyan); }
.solar-v4 .energy-legend__swatch--load { background: #f4f5ef; color: #f4f5ef; }
.solar-v4 .energy-drag-hint { margin: 0; color: #a3ada2; font-size: 13px; }
.solar-v4 .energy-drag-hint span { margin-right: 4px; color: var(--energy-lime); font-size: 18px; vertical-align: -1px; }

.solar-v4 .energy-mode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.solar-v4 .energy-mode-card {
  position: relative;
  display: flex;
  min-height: 172px;
  flex-direction: column;
  align-items: flex-start;
  padding: 19px 20px 21px;
  overflow: hidden;
  border: 1px solid var(--energy-line);
  border-radius: 8px;
  background: linear-gradient(140deg, #111711, #0d110e);
  color: var(--energy-ink);
  text-align: left;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.solar-v4 .energy-mode-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: transparent;
  content: "";
  transition: background .2s ease;
}

.solar-v4 .energy-mode-card:hover { border-color: #c1fa715c; transform: translateY(-2px); }
.solar-v4 .energy-mode-card.is-current,
.solar-v4 .energy-mode-card[aria-pressed="true"] { border-color: #c1fa7160; background: linear-gradient(140deg, #172018, #101510); }
.solar-v4 .energy-mode-card.is-current::before,
.solar-v4 .energy-mode-card[aria-pressed="true"]::before { background: var(--energy-lime); }
.solar-v4 .energy-mode-card__index { margin-bottom: 13px; color: #8e9a8e; font: 600 11px/1.2 Arial, sans-serif; letter-spacing: .12em; }
.solar-v4 .energy-mode-card__index i { padding: 0 3px; color: #667266; font-style: normal; }
.solar-v4 .energy-mode-card strong { margin-bottom: 8px; font-size: 19px; font-weight: 650; }
.solar-v4 .energy-mode-card__copy { max-width: 36ch; color: #aeb8ac; font-size: 14px; line-height: 1.65; }
.solar-v4 .energy-mode-card.is-current strong,
.solar-v4 .energy-mode-card[aria-pressed="true"] strong { color: var(--energy-lime); }

.solar-v4 .energy-reading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 20px; align-items: start; margin-top: 25px; }
.solar-v4 .energy-description { margin: 0; color: #e1e7df; font-size: 16px; line-height: 1.7; }
.solar-v4 .energy-route-line { display: flex; flex-wrap: wrap; gap: 7px 12px; margin: 0; color: #aeb8ac; font-size: 14px; line-height: 1.6; }
.solar-v4 .energy-route-line__label { color: var(--energy-lime); font-weight: 650; }
.solar-v4 .energy-disclaimer { margin: 18px 0 0; padding-top: 15px; border-top: 1px solid var(--energy-line); color: #909a90; font-size: 13px; line-height: 1.7; }

.solar-v4 .energy-control:focus-visible,
.solar-v4 .energy-mode-card:focus-visible { outline: 2px solid var(--energy-lime); outline-offset: 3px; }

@media (max-width: 760px) {
  .solar-v4 { padding-block: 70px; }
  .solar-v4 .solar-v4__intro { margin-bottom: 30px; text-align: left; }
  .solar-v4 .solar-v4__lede { margin-left: 0; }
  .solar-v4 .energy-viewport { min-height: 400px; max-height: none; aspect-ratio: 1 / 1.12; border-radius: 10px; }
  .solar-v4 .energy-viewport__topbar { min-height: 0; align-items: flex-start; padding: 13px 12px; }
  .solar-v4 .energy-status { flex-wrap: wrap; gap: 7px; font-size: 12px; }
  .solar-v4 .energy-controls { max-width: 66%; gap: 5px; }
  .solar-v4 .energy-control { min-height: 34px; padding: 7px 8px; font-size: 12px; }
  .solar-v4 .energy-viewport__footer { min-height: 52px; padding: 12px; }
  .solar-v4 .energy-legend { gap: 12px; }
  .solar-v4 .energy-legend > span, .solar-v4 .energy-drag-hint { font-size: 12px; }
  .solar-v4 .energy-drag-hint { max-width: 116px; text-align: right; }
  .solar-v4 .energy-mode-grid { grid-template-columns: 1fr; gap: 9px; margin-top: 12px; }
  .solar-v4 .energy-mode-card { min-height: 0; display: grid; grid-template-columns: minmax(82px, .32fr) 1fr; column-gap: 12px; padding: 15px 16px; }
  .solar-v4 .energy-mode-card__index { grid-row: 1 / span 2; align-self: center; margin: 0; }
  .solar-v4 .energy-mode-card strong { margin: 0 0 5px; font-size: 18px; }
  .solar-v4 .energy-mode-card__copy { grid-column: 2; max-width: none; font-size: 14px; }
  .solar-v4 .energy-reading { grid-template-columns: 1fr; gap: 10px; margin-top: 20px; }
}

@media (max-width: 430px) {
  .solar-v4 .energy-viewport__topbar { flex-direction: column; gap: 9px; }
  .solar-v4 .energy-controls { max-width: 100%; align-self: stretch; justify-content: flex-start; }
  .solar-v4 .energy-status { font-size: 13px; }
  .solar-v4 .energy-viewport { min-height: 400px; }
  .solar-v4 .energy-viewport__footer { align-items: flex-start; gap: 8px; }
  .solar-v4 .energy-legend { gap: 9px; }
  .solar-v4 .energy-legend > span { gap: 5px; font-size: 11px; }
  .solar-v4 .energy-drag-hint { max-width: 92px; font-size: 11px; }
  .solar-v4 .energy-label { min-width: 76px; padding: 6px 8px; font-size: 12px; }
  .solar-v4 .energy-label small { font-size: 11px; }
  .solar-v4 .energy-fallback { gap: 13px; padding: 18px 12px; }
  .solar-v4 .energy-fallback__route { gap: 8px; }
  .solar-v4 .energy-fallback__route span { padding: 8px 9px; font-size: 13px; }
  .solar-v4 .energy-fallback > p:last-child { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .solar-v4 *, .solar-v4 *::before, .solar-v4 *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media(max-width:600px){.solar-v4 .energy-label{min-width:0;padding:5px 7px;font-size:10px;border-radius:4px}.solar-v4 .energy-label small{display:none}.solar-v4 .energy-drag-hint{font-size:0}.solar-v4 .energy-drag-hint:after{content:"点击切换视角";font-size:11px}}
.solar-v4 .energy-label[hidden]{display:none}