@import url("tokens-2.0.css");

/* ============================================================
   AUSNER 欧适能 · 官网 2.0 演示底座组件（components-2.0.css）
   ------------------------------------------------------------
   演示模式 / 大字版 / 演示控件 / 首屏视频 / 实时运行条 /
   政策时间轴 / 案例筛选 / 案例 hover 层 / 3D 展台 / 室温曲线。
   全部类名 e2- 前缀（.prj-card__overlay 为并行任务约定名）。
   明亮主题默认；动效尊重 prefers-reduced-motion。
   ============================================================ */

/* ═══ 1. 大字版 html.e2-large（只动字号与行距，不动布局）═══ */
html.e2-large { font-size: 125%; }
html.e2-large body { line-height: 1.7; }

/* ═══ 2. 演示控件 .e2-widget（单钮：大字版开关，服务手动投影演示）═══ */
.e2-widget {
  position: fixed;
  right: var(--e2-safe-x);
  bottom: var(--e2-safe-b);
  z-index: 4000;
  font-size: var(--osh-text-sm);
}
.e2-widget__main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 48px;
  padding: 0 var(--osh-space-5);
  border: 0;
  border-radius: 999px;
  background: var(--osh-brand-500);
  color: #fff;
  font-size: var(--osh-text-md);
  font-weight: 600;
  font-family: var(--osh-font-sans);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(var(--osh-brand-rgb), .45);
  transition: background var(--e2-dur-fast) var(--e2-ease-out),
              transform var(--e2-dur-fast) var(--e2-ease-out),
              box-shadow var(--e2-dur-fast) var(--e2-ease-out);
}
.e2-widget__main:hover {
  background: var(--osh-brand-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(var(--osh-brand-rgb), .6);
}
/* 开启态：墨蓝底，与默认能量青区分 */
.e2-widget__main[aria-pressed="true"] {
  background: var(--osh-ink-900);
  box-shadow: 0 4px 20px rgba(11, 43, 69, .4);
}
.e2-widget__main svg { flex: none; }

/* 窄屏：贴边但不遮挡内容 */
@media (max-width: 640px) {
  .e2-widget { right: 12px; bottom: max(12px, env(safe-area-inset-bottom)); }
  .e2-widget__main { height: 44px; padding: 0 var(--osh-space-4); font-size: var(--osh-text-sm); }
}

/* ═══ 5. 实时运行条 .e2-ticker ═══════════════════════════════ */
@keyframes e2-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--osh-brand-rgb), .5); }
  50%      { box-shadow: 0 0 0 6px rgba(var(--osh-brand-rgb), 0); }
}
.e2-ticker {
  display: flex;
  align-items: stretch;
  background: var(--osh-white);
  border: 1px solid rgba(11, 43, 69, .08);
  border-radius: var(--osh-radius-xl);
  box-shadow: var(--osh-shadow-card);
  overflow: hidden;
}
.e2-ticker__label {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: var(--osh-space-2);
  padding: var(--osh-space-3) var(--osh-space-4);
  background: var(--osh-brand-50);
  color: var(--osh-brand-800);
  font-size: var(--osh-text-xs);
  font-weight: 700;
  letter-spacing: var(--osh-tracking-wide);
  white-space: nowrap;
}
.e2-ticker__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--osh-brand-500);
  animation: e2-breathe 1.8s var(--e2-ease-in-out) infinite;
}
.e2-ticker__track {
  display: flex;
  align-items: center;
  gap: var(--osh-space-6);
  padding: var(--osh-space-3) var(--osh-space-4);
  overflow-x: auto;
  scrollbar-width: none;
}
.e2-ticker__track::-webkit-scrollbar { display: none; }

.e2-ticker__item {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: var(--osh-space-2);
  font-size: var(--osh-text-sm);
  color: var(--osh-ink-900);
  white-space: nowrap;
}
.e2-ticker__item .e2-ticker__dot { animation: none; }
.e2-ticker__status { font-weight: 600; }
.e2-ticker__metric { color: var(--osh-ink-400); font-variant-numeric: tabular-nums; }

/* 状态色：运行=青 / 待机=灰 / 离线=橙 */
.e2-ticker__item[data-status="run"] .e2-ticker__dot      { background: var(--osh-brand-500); }
.e2-ticker__item[data-status="run"] .e2-ticker__status   { color: var(--osh-brand-600); }
.e2-ticker__item[data-status="standby"] .e2-ticker__dot  { background: var(--osh-ink-400); }
.e2-ticker__item[data-status="standby"] .e2-ticker__status { color: var(--osh-ink-400); }
.e2-ticker__item[data-status="offline"] .e2-ticker__dot  { background: var(--osh-warning); }
.e2-ticker__item[data-status="offline"] .e2-ticker__status { color: var(--osh-warning); }

/* ═══ 6. 政策时间轴 .e2-timeline ════════════════════════════ */
.e2-timeline {
  display: flex;
  gap: var(--osh-space-6);
  overflow-x: auto;
  padding: var(--osh-space-6) var(--e2-safe-x) var(--osh-space-8);
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.e2-timeline__node {
  flex: none;
  width: min(300px, 78vw);
  scroll-snap-align: start;
  position: relative;
  padding-top: var(--osh-space-6);
}
/* 年份节点：圆点 + 竖线 */
.e2-timeline__node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--osh-brand-500);
  box-shadow: 0 0 0 4px rgba(var(--osh-brand-rgb), .16);
}
.e2-timeline__node::after {
  content: "";
  position: absolute;
  top: 18px;
  left: 5px;
  bottom: -8px;
  width: 2px;
  background: linear-gradient(180deg, rgba(var(--osh-brand-rgb), .5), rgba(var(--osh-brand-rgb), 0));
}
.e2-timeline__year {
  display: block;
  margin: 0 0 var(--osh-space-3) var(--osh-space-5);
  font-family: var(--osh-font-num);
  font-size: var(--osh-text-xl);
  font-weight: 700;
  color: var(--osh-brand-700);
}
.e2-timeline__card {
  background: var(--osh-white);
  border: 1px solid rgba(11, 43, 69, .08);
  border-radius: var(--osh-radius-xl);
  box-shadow: var(--osh-shadow-card);
  padding: var(--osh-space-5);
  transition: box-shadow var(--e2-dur-base) var(--e2-ease-out),
              transform var(--e2-dur-base) var(--e2-ease-out);
}
.e2-timeline__card:hover {
  box-shadow: var(--osh-shadow-card-hover);
  transform: translateY(-3px);
}
.e2-timeline__card h4 {
  margin: 0 0 var(--osh-space-2);
  font-size: var(--osh-text-md);
  font-weight: 600;
  color: var(--osh-ink-900);
  line-height: var(--osh-leading-snug, 1.4);
}
.e2-timeline__card .e2-timeline__meta {
  margin: 0 0 var(--osh-space-2);
  font-size: var(--osh-text-xs);
  color: var(--osh-ink-400);
  font-variant-numeric: tabular-nums;
}
.e2-timeline-track { position: relative; }
.e2-timeline-track::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 8px;
  width: 56px;
  pointer-events: none;
  background: linear-gradient(to right, rgba(255, 255, 255, 0), #fff);
}
.e2-timeline__card h3 {
  margin: 0 0 var(--osh-space-2);
  font-size: var(--osh-text-md);
  font-weight: 600;
  color: var(--osh-ink-900);
  line-height: var(--osh-leading-snug);
}
.e2-timeline__card p {
  margin: 0 0 var(--osh-space-3);
  font-size: var(--osh-text-sm);
  line-height: var(--osh-leading-normal);
  color: var(--osh-ink-600);
}
.e2-timeline__doc {
  font-size: var(--osh-text-xs);
  color: var(--osh-ink-400);
  font-variant-numeric: tabular-nums;
}

/* ═══ 7. 案例筛选 .e2-chips ═════════════════════════════════ */
.e2-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--osh-space-2);
}
.e2-chips__btn {
  padding: var(--osh-space-2) var(--osh-space-5);
  border: 1px solid rgba(11, 43, 69, .16);
  border-radius: 999px;
  background: var(--osh-white);
  color: var(--osh-ink-700);
  font-size: var(--osh-text-sm);
  font-family: var(--osh-font-sans);
  cursor: pointer;
  transition: background var(--e2-dur-fast) var(--e2-ease-out),
              color var(--e2-dur-fast) var(--e2-ease-out),
              border-color var(--e2-dur-fast) var(--e2-ease-out);
}
.e2-chips__btn:hover {
  border-color: var(--osh-brand-500);
  color: var(--osh-brand-700);
}
.e2-chips__btn.is-active,
.e2-chips__btn[aria-pressed="true"] {
  background: var(--osh-brand-500);
  border-color: var(--osh-brand-500);
  color: #fff;
}

/* ═══ 8. 案例 hover 信息层 .prj-card__overlay ════════════════ */
.prj-card__overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 55%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 2px;
  padding: var(--osh-space-4) var(--osh-space-5);
  background: linear-gradient(180deg,
    rgba(11, 43, 69, 0) 0%,
    rgba(11, 43, 69, .78) 52%,
    rgba(11, 43, 69, .94) 100%);
  color: #fff;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--e2-dur-base) var(--e2-ease-out),
              transform var(--e2-dur-base) var(--e2-ease-out);
}
.prj-card__overlay > * { margin: 0; }
.prj-card__overlay-cat { font-size: var(--osh-text-xs); opacity: .82; }
.prj-card__overlay-area { font-size: var(--osh-text-md); font-weight: 600; }

/* hover / 键盘焦点淡入上移 */
.prj-card:hover .prj-card__overlay,
.prj-card:focus-within .prj-card__overlay {
  opacity: 1;
  transform: translateY(0);
}
/* 触屏点击生效：JS 切换 .is-open（presenter.js 代理） */
.prj-card.is-open .prj-card__overlay {
  opacity: 1;
  transform: translateY(0);
}
/* 触屏默认无 hover，点击卡片任意处展开 */
@media (hover: none) {
  .prj-card { cursor: pointer; }
}

/* ═══ 9. 3D 展台 .e2-showcase ═══════════════════════════════ */
.e2-showcase {
  background: var(--osh-white);
  border: 1px solid rgba(11, 43, 69, .08);
  border-radius: var(--osh-radius-2xl);
  box-shadow: var(--osh-shadow-card);
  overflow: hidden;
}
.e2-showcase__btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--osh-space-2);
  margin: var(--osh-space-6) 0;
}
.e2-showcase__stage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .e2-showcase__stage { grid-template-columns: 1.2fr .8fr; }
}
.e2-showcase__canvas {
  position: relative;
  min-height: 380px;
  background: linear-gradient(180deg, var(--osh-ink-50), #fff);
}
@media (min-width: 900px) {
  .e2-showcase__canvas { min-height: 460px; }
}
.e2-showcase__canvas canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.e2-showcase__loading {
  position: absolute;
  left: 50%;
  bottom: var(--osh-space-6);
  transform: translateX(-50%);
  width: min(280px, 55%);
  height: 4px;
  border-radius: 999px;
  background: rgba(11, 43, 69, .08);
  overflow: hidden;
}
.e2-showcase__loading i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--e2-grad-pulse);
  transition: width .2s linear;
}
.e2-showcase__specs {
  padding: var(--osh-space-6) var(--osh-space-8);
  border-top: 1px solid rgba(11, 43, 69, .08);
}
@media (min-width: 900px) {
  .e2-showcase__specs { border-top: 0; border-left: 1px solid rgba(11, 43, 69, .08); padding: var(--osh-space-8); }
}
.e2-showcase__name {
  margin: 0 0 var(--osh-space-2);
  font-size: var(--osh-text-base);
  font-weight: 600;
  color: var(--osh-ink-900);
}
.e2-showcase__name span {
  display: block;
  margin-top: 2px;
  font-size: var(--osh-text-xs);
  font-weight: 500;
  letter-spacing: var(--osh-tracking-wide);
  color: var(--osh-ink-400);
  text-transform: uppercase;
}
.e2-showcase__cop { margin: var(--osh-space-3) 0 var(--osh-space-5); line-height: 1; }
.e2-showcase__cop strong {
  display: block;
  font-family: var(--osh-font-num);
  font-size: clamp(2.75rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.05;
  background: var(--e2-grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.e2-showcase__cop span,
.e2-showcase__cop em {
  display: block;
  margin-top: var(--osh-space-2);
  font-size: var(--osh-text-xs);
  font-style: normal;
  letter-spacing: var(--osh-tracking-wide);
  color: var(--osh-ink-400);
}
.e2-showcase__cop em { margin-top: 2px; }
.e2-showcase__row {
  display: flex;
  justify-content: space-between;
  gap: var(--osh-space-4);
  padding: var(--osh-space-2) 0;
  border-bottom: 1px solid rgba(11, 43, 69, .06);
  font-size: var(--osh-text-sm);
}
.e2-showcase__row dt { margin: 0; color: var(--osh-ink-400); }
.e2-showcase__row dd {
  margin: 0;
  color: var(--osh-ink-900);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.e2-showcase__btns { display: flex; flex-wrap: wrap; gap: var(--osh-space-2); }
.e2-showcase__btn {
  padding: var(--osh-space-2) var(--osh-space-4);
  border: 1px solid rgba(11, 43, 69, .16);
  border-radius: var(--osh-radius-md);
  background: var(--osh-white);
  color: var(--osh-ink-700);
  font-size: var(--osh-text-sm);
  font-family: var(--osh-font-sans);
  cursor: pointer;
  transition: background var(--e2-dur-fast) var(--e2-ease-out),
              color var(--e2-dur-fast) var(--e2-ease-out),
              border-color var(--e2-dur-fast) var(--e2-ease-out);
}
.e2-showcase__btn:hover { border-color: var(--osh-brand-500); color: var(--osh-brand-700); }
.e2-showcase__btn.is-active,
.e2-showcase__btn[aria-pressed="true"] {
  background: var(--osh-brand-500);
  border-color: var(--osh-brand-500);
  color: #fff;
}
.e2-showcase__loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--osh-space-3);
  background: rgba(255, 255, 255, .85);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  font-size: var(--osh-text-sm);
  color: var(--osh-ink-600);
}
.e2-showcase__loading[hidden] { display: none; }
@keyframes e2-load {
  0%   { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}
.e2-showcase__loading-bar {
  width: 180px;
  height: 4px;
  border-radius: 999px;
  background: var(--osh-ink-100);
  overflow: hidden;
}
.e2-showcase__loading-bar i {
  display: block;
  width: 40%;
  height: 100%;
  border-radius: 999px;
  background: var(--e2-grad-pulse);
  animation: e2-load 1.2s var(--e2-ease-in-out) infinite;
}

/* ═══ 10. 室温曲线嵌入 .e2-curve ═════════════════════════════ */
.e2-curve {
  display: block;
  width: 100%;
  height: auto;
  background: var(--osh-white);
  border: 1px solid rgba(11, 43, 69, .1);
  border-radius: var(--osh-radius-lg);
}

/* ═══ 文字渐变工具（变量 --e2-grad-text 的用法）══════════════ */
.e2-text-grad {
  background: var(--e2-grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ═══ 动效降级（硬规则）═════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .e2-ticker__dot,
  .e2-showcase__loading-bar i { animation-duration: 0.01ms; animation-iteration-count: 1; }
  .prj-card__overlay,
  .e2-timeline__card,
  .e2-widget__main,
  .e2-chips__btn,
  .e2-showcase__btn { transition: none; }
}