/* ============================================================
   产品单页 · 一屏一产品（product-single.css）
   ------------------------------------------------------------
   只服务 product.html。旧 product.css 仍被 about.html 引用，互不影响。
   版式由 .pv 上的 data-layout / data-accent 切换，
   强调色统一走 --pv-accent（JS 按产品写入 :root）。
   ============================================================ */

/* ---------- 强调色缺省值（绿） ---------- */
:root {
  --pv-accent: #1F8630;
  --pv-accent-2: #30AE24;
  --pv-accent-soft: rgba(48, 174, 36, .12);
  --pv-accent-line: rgba(48, 174, 36, .22);
}

.pv-body { background: #fff; }
/* 顶部导航是 fixed，主体要让出它的高度 */
.pv-body #main { padding-top: var(--header-h); }

/* 当前栏目（产品中心）在导航里保持下划线 */
.nav__link.is-current { color: var(--c-brand-700); }
.nav__link.is-current::after { transform: scaleX(1); background: var(--pv-accent); }

/* 列表 / 图注的默认样式复位 */
.pv__feats { list-style: none; padding: 0; margin-left: 0; margin-right: 0; }
.pv__scene { margin: 0; }

/* 内容默认就是可见的——不做出场动画，避免任何情况下卡在透明态；
   切换产品时的那一下淡出淡入交给 .is-out 过渡完成 */
.pv__main, .pv__scenes {
  transition: opacity .18s var(--e-out), transform .18s var(--e-out);
}
.pv__main.is-out, .pv__scenes.is-out { opacity: 0; transform: translateY(8px); }

/* ============================================================
   一 · 产品切换条
   ============================================================ */
.pvbar {
  position: sticky; top: var(--header-h); z-index: 60;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(16px) saturate(170%);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  border-bottom: 1px solid var(--c-line);
}
.pvbar__inner { padding-block: 10px; }
/* 单行：分段大类控件 + 产品条 + 前后翻页 */
.pvbar__row {
  display: flex; align-items: center; gap: 12px;
}
/* 大类：胶囊分段控件，滑块随大类变色（观=绿 / 心=蓝） */
.pvbar__seg {
  position: relative; flex: none;
  display: flex; align-items: stretch;
  padding: 4px; border-radius: var(--r-pill);
  background: var(--c-mist);
}
.pvbar__thumb {
  position: absolute; top: 4px; left: 4px;
  width: calc(50% - 4px); height: calc(100% - 8px);
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--pv-accent-2), var(--pv-accent));
  box-shadow: 0 6px 14px -6px var(--pv-accent);
  transition: transform .38s var(--e-inout), background .38s var(--e-inout);
}
.pvbar__seg[data-active="xin"] .pvbar__thumb { transform: translateX(100%); }
.pvbar__g {
  position: relative; z-index: 1;
  flex: 1; min-width: 0;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 7px 18px; border: 0; background: none; cursor: pointer;
}
.pvbar__g-badge {
  flex: none; width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700; line-height: 1;
  color: var(--pv-accent); background: #fff;
  transition: color var(--t-fast) var(--e-out), background-color var(--t-fast) var(--e-out), box-shadow var(--t-fast) var(--e-out);
}
.pvbar__g-cn { flex: none; font-size: .95rem; font-weight: 700; color: var(--c-slate); letter-spacing: .06em; transition: color var(--t-fast) var(--e-out); }
.pvbar__g-n {
  flex: none; padding: 1px 8px; border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .72);
  font-size: 11px; line-height: 1.7; color: var(--c-mute);
  transition: background-color var(--t-fast), color var(--t-fast);
}
.pvbar__g:hover .pvbar__g-cn { color: var(--c-ink); }
.pvbar__g.is-active .pvbar__g-cn { color: #fff; }
.pvbar__g.is-active .pvbar__g-badge {
  color: #fff; background: rgba(255, 255, 255, .22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .55);
}
.pvbar__g.is-active .pvbar__g-n { background: rgba(255, 255, 255, .22); color: #fff; }
/* 产品条：柔和胶囊 + 圆点指示，激活为淡色底 + 描边 */
.pvbar__list {
  display: flex; align-items: center; gap: 2px;
  flex: 1; min-width: 0;
  overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none;
  scroll-behavior: smooth;
  padding-block: 4px;
}
.pvbar__list::-webkit-scrollbar { display: none; }
.pvbar__i {
  flex: none; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 13px; border-radius: var(--r-pill);
  font-size: var(--fs-xs); font-weight: 500; color: var(--c-slate);
  letter-spacing: .02em;
  transition: background-color var(--t-fast) var(--e-out), color var(--t-fast) var(--e-out), box-shadow var(--t-fast) var(--e-out);
}
.pvbar__i::before {
  content: ""; flex: none;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--c-line);
  transition: background-color var(--t-fast) var(--e-out), transform var(--t-fast) var(--e-out);
}
.pvbar__i:hover { background: var(--c-mist); color: var(--c-ink); }
.pvbar__i.is-active {
  background: var(--pv-accent-soft); color: var(--pv-accent); font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--pv-accent-line);
}
.pvbar__i.is-active::before { background: var(--pv-accent); transform: scale(1.25); }

.pvbar__step { display: flex; align-items: center; gap: 6px; flex: none; }
.pvbar__btn {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: #fff; border: 1px solid var(--c-line); color: var(--c-slate);
  transition: border-color var(--t-fast), color var(--t-fast), transform var(--t-fast), background-color var(--t-fast);
}
.pvbar__btn svg { width: 14px; height: 14px; }
.pvbar__btn--prev svg { transform: rotate(90deg); }
.pvbar__btn:last-child svg { transform: rotate(-90deg); }
.pvbar__btn:hover { border-color: var(--pv-accent-line); color: var(--pv-accent); background: var(--pv-accent-soft); transform: translateY(-1px); }

/* ============================================================
   二 · 一屏主体
   ============================================================ */
.pv {
  position: relative; overflow: hidden;
  min-height: calc(100svh - var(--header-h) - 54px);
  display: flex; align-items: center;
  padding-block: clamp(12px, 1.6vw, 20px) clamp(10px, 1.4vw, 14px);
  background:
    radial-gradient(52% 46% at 88% 6%, var(--pv-accent-soft), transparent 66%),
    radial-gradient(46% 42% at 2% 96%, rgba(0, 102, 180, .07), transparent 68%),
    linear-gradient(180deg, #FCFEFC 0%, #F7FBF8 58%, #FFFFFF 100%);
}
.pv__glow {
  position: absolute; border-radius: 50%; pointer-events: none; filter: blur(60px);
  opacity: .55; z-index: 0;
}
.pv__glow--a { width: 420px; height: 420px; right: -120px; top: -140px; background: var(--pv-accent-soft); }
.pv__glow--b { width: 340px; height: 340px; left: -140px; bottom: -120px; background: var(--pv-accent-soft); }

/* 多形态切换（沐心：多层种植机 / 桌面种植箱） */
.pv__forms {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%);
  display: flex; gap: 4px; padding: 4px;
  background: rgba(255, 255, 255, .92); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid var(--c-line); border-radius: var(--r-pill);
  box-shadow: 0 12px 28px -16px rgba(16, 40, 24, .4);
  z-index: 3;
}
.pv__form {
  padding: 6px 16px; border-radius: var(--r-pill);
  font-size: var(--fs-xs); font-weight: 600; color: var(--c-slate);
  white-space: nowrap;
  transition: background-color var(--t-fast) var(--e-out), color var(--t-fast) var(--e-out);
}
.pv__form:hover { color: var(--pv-accent); }
.pv__form.is-active { background: var(--pv-accent); color: #fff; box-shadow: 0 6px 14px -8px var(--pv-accent); }

.pv__wrap { position: relative; z-index: 1; width: 100%; }

.pv__main {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  gap: clamp(28px, 4vw, 76px);
  align-items: stretch;
}

/* ---------- 变体：图左文案右 ---------- */
.pv[data-layout="split"] .pv__main { grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); }
.pv[data-layout="split"] .pv__copy { order: 2; }
.pv[data-layout="split"] .pv__visual { order: 1; }

/* ---------- 变体：图向右出血 ---------- */
.pv[data-layout="bleed"] .pv__main { grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr); }
.pv[data-layout="bleed"] .pv__visual { padding-left: clamp(20px, 3vw, 48px); }
.pv[data-layout="bleed"] .pv__stage {
  width: calc(100% + var(--gutter));
  border-radius: var(--r-3xl) 0 0 var(--r-3xl);
  border-right: 0;
}
/* ============================================================
   三 · 文案列
   ============================================================ */
.pv__crumb {
  display: flex; align-items: center; gap: 7px; flex-wrap: wrap;
  font-size: var(--fs-micro); color: var(--c-mute); letter-spacing: .04em;
  margin-bottom: clamp(14px, 1.8vw, 22px);
}
.pv__crumb a { color: var(--c-mute); transition: color var(--t-fast); }
.pv__crumb a:hover { color: var(--pv-accent); }
.pv__crumb i { font-style: normal; opacity: .5; }
.pv__crumb b { font-weight: 600; color: var(--c-ink-2); }

.pv__name {
  margin-top: 0;
  font-size: clamp(2.2rem, 3.4vw, 3.15rem); line-height: 1.06;
  font-weight: 800; letter-spacing: -.01em; color: var(--c-ink);
}

.pv__pos {
  margin-top: 10px; font-size: clamp(.95rem, 1.2vw, 1.1rem);
  color: var(--c-slate); letter-spacing: .02em; line-height: 1.6;
}

/* 段落小标题：核心特点 / 应用场景，全站同一个样子 */
.pv__label {
  margin-top: clamp(20px, 2.4vw, 30px);
  font-size: .95rem; font-weight: 700; color: var(--c-ink);
  letter-spacing: .02em;
}
.pv__label::before {
  content: ""; display: inline-block; width: 16px; height: 1px;
  background: var(--pv-accent); vertical-align: middle; margin-right: 9px;
}

/* ---------- 特点 ---------- */
.pv__feats { margin-top: clamp(10px, 1.2vw, 14px); }
.pv__feat-n {
  font-family: var(--font-latin); font-size: .72rem; letter-spacing: .1em;
  color: var(--pv-accent); padding-top: 4px;
}
.pv__feat-t { display: block; font-size: .98rem; font-weight: 700; color: var(--c-ink); letter-spacing: .01em; }
.pv__feat-d { display: block; margin-top: 4px; font-size: var(--fs-xs); color: var(--c-slate); line-height: 1.65; }

/* 特点：编号 + 标题 + 说明，三行，13 款共用一套 */
.pv__feats[data-style="rows"] {
  display: grid;
  border-top: 1px solid var(--c-line);
}
.pv__feats[data-style="rows"] .pv__feat {
  display: grid; grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px; padding: 10px 0;
  border-bottom: 1px dashed var(--c-line-2);
  transition: transform var(--t-base) var(--e-out);
}
.pv__feats[data-style="rows"] .pv__feat:hover { transform: translateX(3px); }

/* ============================================================
   四 · 视觉列：产品立于光台之上
   ------------------------------------------------------------
   一块面板里只放一件东西，但要让它像「展品」而不是「示意图」：
   外发光（体量）→ 边缘光边（待机感）→ 台面与刻度（落地感）
   → 点阵/母题（科技感）→ 产品（主角，带落地投影）
   ============================================================ */
.pv__visual {
  position: relative; isolation: isolate;
  height: 100%;
  min-height: clamp(320px, calc(100svh - 470px), 430px);
}

/* 面板外的品牌外发光，让整块面板「亮」起来 */
.pv__ring {
  position: absolute; z-index: 0; pointer-events: none;
  width: 92%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--pv-accent-soft) 0%, transparent 62%);
  filter: blur(20px); opacity: .85;
  animation: pvHalo 9s var(--e-inout) infinite;
}
.pv__ring--2 { display: none; }
@keyframes pvHalo {
  0%, 100% { transform: scale(1); opacity: .7; }
  50% { transform: scale(1.07); opacity: 1; }
}

/* ---------- 展台面板 ---------- */
.pv__stage {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: var(--r-3xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  place-items: center;
  padding: clamp(24px, 3.1vw, 48px) clamp(20px, 2.6vw, 44px);
  background:
    radial-gradient(74% 56% at 50% 24%, rgba(255, 255, 255, .99) 0%, rgba(255, 255, 255, 0) 68%),
    linear-gradient(163deg, #FDFEFC 0%, #F1F8F2 52%, #E4F0E7 100%);
  border: 1px solid rgba(48, 174, 36, .15);
  box-shadow:
    0 48px 96px -56px rgba(16, 40, 24, .46),
    0 1px 3px rgba(16, 40, 24, .05),
    inset 0 1px 0 rgba(255, 255, 255, .98);
  overflow: hidden;
  isolation: isolate;
}
.pv__stage::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, .7), rgba(255, 255, 255, 0) 40%);
}
/* 一道缓慢掠过的光，告诉人这是「活的」 */
.pv__stage::after {
  content: ""; position: absolute; top: -24%; bottom: -24%; left: -34%; width: 24%;
  z-index: 1; pointer-events: none;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .66), transparent);
  transform: skewX(-14deg);
  animation: pvSheen 12s var(--e-inout) infinite;
}
@keyframes pvSheen {
  0%, 66% { left: -34%; opacity: 0; }
  72% { opacity: 1; }
  100% { left: 120%; opacity: 0; }
}

/* ---------- 装饰层 ---------- */
.pv__deco { position: absolute; pointer-events: none; z-index: 0; }

/* 点阵底纹：中间让给产品，只在四周隐约可见 */
.pv__deco--dots {
  inset: 0;
  background-image: radial-gradient(rgba(20, 40, 28, .14) 1px, transparent 1.3px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(84% 72% at 50% 44%, transparent 24%, #000 94%);
  mask-image: radial-gradient(84% 72% at 50% 44%, transparent 24%, #000 94%);
}

/* 边缘光边：一段品牌色沿面板内缘缓慢绕行 */
.pv__deco--edge {
  inset: 0; border-radius: inherit;
  padding: 1.5px;
  background: conic-gradient(from 0deg,
    transparent 0 62%,
    var(--pv-accent-line) 78%,
    var(--pv-accent-2) 88%,
    transparent 96% 100%);
  -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;
  animation: pvEdgePulse 7s var(--e-inout) infinite;
}
@keyframes pvEdgePulse {
  0%, 100% { opacity: .3; }
  50% { opacity: .85; }
}

/* 台面：椭圆光台 + 基线 + 两端刻度，让产品「站」住 */
.pv__deco--pad {
  left: 50%; bottom: 1.5%; transform: translateX(-50%);
  width: 74%; height: 20%; border-radius: 50%;
  background: radial-gradient(ellipse at 50% 50%, var(--pv-accent-soft) 0%, transparent 64%);
  filter: blur(16px);
}
.pv__deco--base {
  left: 7%; right: 7%; bottom: 8.4%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--pv-accent-line) 14%, var(--pv-accent-line) 86%, transparent);
}
.pv__deco--ticks {
  left: 7%; right: 7%; bottom: calc(8.4% + 2px); height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--pv-accent-line) 0 1px, transparent 1px 15px);
  -webkit-mask-image: linear-gradient(90deg, #000, transparent 26%, transparent 74%, #000);
  mask-image: linear-gradient(90deg, #000, transparent 26%, transparent 74%, #000);
}
/* 四角定位角标 */
.pv__deco--corners {
  inset: 13px;
  background:
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) left top / 13px 1px no-repeat,
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) left top / 1px 13px no-repeat,
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) right top / 13px 1px no-repeat,
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) right top / 1px 13px no-repeat,
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) left bottom / 13px 1px no-repeat,
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) left bottom / 1px 13px no-repeat,
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) right bottom / 13px 1px no-repeat,
    linear-gradient(var(--pv-accent-line), var(--pv-accent-line)) right bottom / 1px 13px no-repeat;
  opacity: .9;
}

/* ---------- 母题：四类，按产品调性分配 ---------- */
.pv__deco--motif { inset: 0; }
/* scan：同心测量环（监测类） */
/* 圆心压在产品底部，环从台面向外扩散，避免出现「靶心套产品」的廉价感 */
.pv__stage[data-motif="scan"] .pv__deco--motif {
  background: repeating-radial-gradient(circle at 50% 88%, transparent 0 44px, var(--pv-accent-line) 44px 45px);
  -webkit-mask-image: radial-gradient(76% 92% at 50% 88%, #000 8%, #000 46%, transparent 88%);
  mask-image: radial-gradient(76% 92% at 50% 88%, #000 8%, #000 46%, transparent 88%);
  opacity: .85;
}
/* grid：精密方格（体验/硬件类） */
.pv__stage[data-motif="grid"] .pv__deco--motif {
  background-image:
    linear-gradient(90deg, var(--pv-accent-line) 1px, transparent 1px),
    linear-gradient(0deg, var(--pv-accent-line) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(88% 76% at 50% 46%, transparent 22%, #000 90%);
  mask-image: radial-gradient(88% 76% at 50% 46%, transparent 22%, #000 90%);
  opacity: .55;
}
/* wave：水平波纹（辅导/对话类） */
.pv__stage[data-motif="wave"] .pv__deco--motif {
  background: repeating-radial-gradient(ellipse 120% 60% at 50% 118%, transparent 0 30px, var(--pv-accent-line) 30px 31px);
  opacity: .9;
}
/* beam：斜向光带（训练/测训类） */
.pv__stage[data-motif="beam"] .pv__deco--motif {
  background-image: repeating-linear-gradient(58deg, var(--pv-accent-line) 0 1px, transparent 1px 42px);
  -webkit-mask-image: radial-gradient(90% 80% at 50% 44%, transparent 18%, #000 92%);
  mask-image: radial-gradient(90% 80% at 50% 44%, transparent 18%, #000 92%);
  opacity: .8;
}

/* ---------- 主角：产品本体 ---------- */
.pv__obj {
  position: relative; z-index: 2;
  width: 100%; height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  place-items: center;
  transition: transform .8s var(--e-inout);
}
/* 紧贴产品底部的接触阴影：缺了它，产品就是“飘”的 */
.pv__obj::after {
  content: ""; position: absolute; left: 50%; bottom: -6px;
  width: 56%; height: 14px; transform: translateX(-50%);
  background: radial-gradient(ellipse at 50% 40%, rgba(16, 40, 24, .30), rgba(16, 40, 24, .12) 52%, transparent 76%);
  filter: blur(5px);
  z-index: -1;
  pointer-events: none;
}
.pv__obj img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
  filter:
    drop-shadow(0 28px 40px rgba(16, 40, 24, .22))
    drop-shadow(0 6px 12px rgba(16, 40, 24, .08));
  animation: pvFloat 9s var(--e-inout) infinite;
  transform-origin: 50% 88%;
}
@keyframes pvFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 右下角铭牌：小号、宽字距，像仪器机身上的丝印 */
.pv__ghost {
  position: absolute; z-index: 3; pointer-events: none; user-select: none;
  right: clamp(14px, 1.8vw, 24px); bottom: clamp(8px, 1.2vw, 14px);
  font-family: var(--font-latin);
  font-size: 9px; line-height: 1;
  letter-spacing: .3em; text-transform: uppercase;
  color: rgba(20, 40, 28, .34);
  white-space: nowrap;
}
@media (max-width: 1200px) { .pv__ghost { display: none; } }

/* 无图时的占位 */
.pv__ph {
  position: relative; z-index: 1; text-align: center; color: var(--c-mute);
  display: grid; place-items: center; gap: 14px;
}
.pv__ph-ico {
  width: 66px; height: 66px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px dashed var(--pv-accent-line);
  background: rgba(255, 255, 255, .62);
}
.pv__ph svg { width: 26px; height: 26px; color: var(--pv-accent); opacity: .5; }
.pv__ph p { font-size: var(--fs-xs); letter-spacing: .04em; }


/* ============================================================
   五 · 场景条
   ============================================================ */
.pv__scenes { margin-top: clamp(12px, 1.6vw, 18px); }
.pv__scenes-hd {
  display: flex; align-items: baseline; gap: 10px;
  padding-bottom: 12px; border-bottom: 1px solid var(--c-line);
  margin-bottom: 12px;
}
.pv__scenes-t { font-size: 1rem; font-weight: 700; color: var(--c-ink); letter-spacing: .02em; }
.pv__scenes-t::before {
  content: ""; display: inline-block; width: 16px; height: 1px;
  background: var(--pv-accent); vertical-align: middle; margin-right: 9px;
}
.pv__scenes-en {
  font-family: var(--font-latin); font-size: var(--fs-micro);
  letter-spacing: .18em; text-transform: uppercase; color: var(--c-mute);
}
.pv__scene-grid { display: grid; gap: 12px; }
.pv__scene-grid[data-scenes="trio"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pv__scene-grid[data-scenes="quad"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.pv__scene-grid[data-scenes="hero"] { grid-template-columns: 1.62fr 1fr 1fr; }
.pv__scene-grid[data-scenes="ribbon"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.pv__scene {
  position: relative; overflow: hidden; display: block;
  border-radius: var(--r-md); height: clamp(140px, 17vh, 186px);
  background: var(--c-sage);
  box-shadow: var(--sh-xs);
}
.pv__scene-grid[data-scenes="ribbon"] .pv__scene { height: clamp(112px, 13vh, 148px); }
.pv__scene img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.1s var(--e-out);
}
.pv__scene:hover img { transform: scale(1.06); }
.pv__scene-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(8, 34, 18, .84) 0%, rgba(8, 34, 18, .34) 46%, rgba(8, 34, 18, 0) 78%);
  transition: opacity var(--t-base);
}
.pv__scene-t {
  position: absolute; left: 14px; right: 14px; bottom: 12px;
  color: #fff; font-size: var(--fs-xs); font-weight: 600; line-height: 1.4;
  letter-spacing: .02em; text-shadow: 0 1px 10px rgba(6, 24, 12, .5);
  display: flex; align-items: baseline; gap: 8px;
}
.pv__scene::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--pv-accent-2);
  transition: width var(--t-slow) var(--e-out);
}
.pv__scene:hover::after { width: 100%; }

/* ============================================================
   六 · 响应式
   ============================================================ */
@media (max-width: 1200px) {
  .pv__main { gap: clamp(24px, 3.4vw, 48px); }
  }

@media (max-width: 1024px) {
  .pv { min-height: 0; padding-block: 26px 34px; }
  .pv[data-layout] .pv__main { grid-template-columns: minmax(0, 1fr); gap: clamp(20px, 3vw, 30px); align-items: start; }
  .pv[data-layout="split"] .pv__copy { order: 1; }
  .pv[data-layout="split"] .pv__visual { order: 2; }
  .pv[data-layout="bleed"] .pv__main { grid-template-columns: 1fr; }
  .pv[data-layout="bleed"] .pv__visual { padding-left: 0; }
  .pv[data-layout="bleed"] .pv__stage {
    width: 100%; border-radius: var(--r-2xl);
    border-right: 1px solid rgba(48, 174, 36, .16);
  }
  .pv__visual { width: 100%; }
  .pv__visual { min-height: 0; }
  .pv__stage {
    position: relative; inset: auto;
    max-width: 560px; margin-inline: auto;
    height: clamp(300px, 54vw, 424px);
  }
  .pv__ring { max-width: 500px; }
  .pv__scene-grid[data-scenes="quad"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pv__scene-grid[data-scenes="hero"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pv__scene-grid[data-scenes="hero"] .pv__scene:first-child { grid-column: span 2; height: 200px; }
}

@media (max-width: 768px) {
  .pvbar__inner { padding-block: 8px; }
  .pvbar__row { flex-wrap: wrap; row-gap: 0; gap: 8px; }
  .pvbar__seg { order: 1; flex: 1 1 auto; }
  .pvbar__step { order: 2; }
  .pvbar__g { padding: 6px 13px; gap: 6px; }
  .pvbar__g-cn { font-size: .9rem; }
  .pvbar__list { order: 3; flex: 1 1 100%; padding-block: 5px 2px; }
  .pvbar__i { padding: 6px 12px; }
  .pv__name { font-size: clamp(2.05rem, 7.6vw, 2.6rem); }
  .pv__scene-grid[data-scenes="trio"],
  .pv__scene-grid[data-scenes="ribbon"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pv__scene { height: 150px; }
  .pv__scene-grid .pv__scene:last-child:nth-child(odd) { grid-column: span 2; }
  .pv__scene-grid[data-scenes="hero"] .pv__scene:first-child { height: 170px; }
}

@media (max-width: 560px) {
  .pv__scene-grid[data-scenes="trio"],
  .pv__scene-grid[data-scenes="ribbon"],
  .pv__scene-grid[data-scenes="quad"],
  .pv__scene-grid[data-scenes="hero"] { grid-template-columns: 1fr; }
  .pv__scene-grid .pv__scene,
  .pv__scene-grid[data-scenes="hero"] .pv__scene:first-child { grid-column: auto; height: 172px; }
  .pv__stage { height: clamp(280px, 76vw, 340px); padding: 18px 20px; }
  .pv__deco--corners { inset: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .pv__obj img, .pv__ring, .pv__stage::after, .pv__deco--edge { animation: none !important; }
}

/* ============================================================
   2026-11-03 · 应用场景第四格「更多场景」
   ------------------------------------------------------------
   前三格是实景；第四格同样是真实场景图，只是压一层暗罩、
   中间放「+ 更多场景」胶囊，表示这一类还有别的场景，
   不做跳转，避免访客以为点进去是案例库。
   ============================================================ */
.pv__scene--more { cursor: default; }
.pv__scene--more::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: rgba(8, 34, 18, .42);
  transition: background var(--t-base) var(--e-out);
}
.pv__scene--more:hover::before { background: rgba(8, 34, 18, .34); }
.pv__scene--more .pv__more {
  position: absolute; left: 50%; top: 50%; z-index: 2;
  transform: translate(-50%, -50%);
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px 9px 13px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .18);
  border: 1px solid rgba(255, 255, 255, .46);
  -webkit-backdrop-filter: blur(6px) saturate(1.25);
  backdrop-filter: blur(6px) saturate(1.25);
  color: #fff; white-space: nowrap;
  font-size: var(--fs-xs); font-weight: 600; letter-spacing: .06em;
  transition: transform var(--t-base) var(--e-out), background var(--t-base) var(--e-out);
}
.pv__scene--more:hover .pv__more {
  transform: translate(-50%, -50%) scale(1.04);
  background: rgba(255, 255, 255, .26);
}
.pv__scene--more .pv__more-ico {
  font-size: 15px; line-height: 1; font-weight: 300; margin-top: -1px;
}
.pv__scene--more .pv__scene-t { z-index: 2; }

/* 「更多场景」图标改为右箭头（2026-11-03）：指向"还有更多"，不是"新增" */
.pv__scene--more .pv__more-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 15px; height: 15px; margin: 0;
  font-size: 0; font-weight: 400;
  transition: transform var(--t-base) var(--e-out);
}
.pv__scene--more .pv__more-ico svg { width: 15px; height: 15px; }
.pv__scene--more:hover .pv__more-ico { transform: translateX(3px); }




/* ============================================================
   2026-11-05 · 凌观：横构图满幅实拍，按容器内缩
   ------------------------------------------------------------
   其它产品图四周自带留白，凌观这张是整幅铺满的横构图，
   contain 之后视觉上会比同组产品大一圈，用 padding 收一档。
   ============================================================ */
#pv-lingguan .pv__obj img { padding: 0 3% 10%; }