/* ===========================================================
   Baotian Lighting — Editorial Design System
   Reference: Novaluce / Flos / Artemide
   Accent: 深铜 Bronze #8b6f47
   Stack: 12-col grid / 8pt spacing / Cormorant Garamond + Inter
   =========================================================== */

:root {
  /* — Brand palette — */
  --bg:           #ffffff;
  --bg-soft:      #fafaf7;       /* warm off-white */
  --bg-dark:      #0a0a0a;       /* deep black, footer/contrast blocks */
  --bg-bronze:    #1a1612;       /* deep bronze-tinted black, for hero overlays */
  --fg:           #111111;
  --fg-soft:      #4a4a4a;
  --fg-mute:      #888888;
  --fg-faint:     #b5b5b5;
  --line:         #e5e3df;       /* warm grey */
  --line-soft:    #f0eeea;
  --line-strong:  #111111;

  /* — Accent:  深铜 Bronze — */
  --accent:       #8b6f47;
  --accent-soft:  #b89977;
  --accent-deep:  #5c4a31;
  --accent-tint:  #f5f1ec;       /* pale bronze wash */

  /* — Semantic — */
  --error:        #c1272d;
  --success:      #2d7a3a;
  --warn:         #b45309;

  /* — Spacing 8pt scale — */
  --s-1:  4px;
  --s-2:  8px;
  --s-3:  16px;
  --s-4:  24px;
  --s-5:  32px;
  --s-6:  48px;
  --s-7:  64px;
  --s-8:  96px;
  --s-9:  128px;
  --s-10: 192px;

  /* — Layout — */
  --max-w:    1440px;
  --pad-x:    48px;
  --col-gap:  32px;

  /* — Type — */
  --serif: 'Cormorant Garamond', 'Times New Roman', 'Songti SC', 'STSong', serif;
  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono:  'IBM Plex Mono', 'Menlo', 'Consolas', monospace;

  /* — Motion — */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
  --d-fast:     0.35s;
  --d-base:     0.6s;
  --d-slow:     1.2s;
}

/* ===========================================================
   Reset (minimal, building on existing style.css)
   =========================================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: opacity var(--d-fast) var(--ease-out); }
a:hover { opacity: 0.7; }
button, input, textarea, select { font: inherit; color: inherit; }

/* ===========================================================
   Top Bar overrides (override old style.css)
   =========================================================== */
.topbar .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  gap: 24px;
}
.topbar .brand {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.1;
}
.topbar .brand small {
  display: block;
  font-family: var(--sans);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--fg-mute);
  margin-top: 4px;
  white-space: nowrap;
  text-transform: uppercase;
}
.topbar .nav { display: flex; gap: 22px; flex: 1; justify-content: center; }
.topbar .nav a {
  font-size: 11px;
  letter-spacing: 0.16em;
  white-space: nowrap;
}
@media (max-width: 1280px) {
  .topbar .nav { gap: 16px; }
  .topbar .nav a { font-size: 10px; letter-spacing: 0.14em; }
}

/* ===========================================================
   Typography Scale  (editorial)
   =========================================================== */

/* Display — 用于 Hero / 章节大标题 */
.t-display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 7vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  color: var(--fg);
}
.t-display--inverse { color: #fff; }
.t-display em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

/* H1 */
h1, .t-h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* H2 — 章节标题 */
h2, .t-h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--fg);
}

/* H3 */
h3, .t-h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--fg);
}

/* H4 — 小标题 */
h4, .t-h4 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.3;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

/* Lead — 段落大字 */
.t-lead {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.4;
  color: var(--fg);
  max-width: 36em;
}

p { color: var(--fg-soft); line-height: 1.7; max-width: 60ch; }

/* Eyebrow — 章节序号 / 标签 */
.t-eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.t-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.t-eyebrow--inverse { color: var(--accent-soft); }
.t-eyebrow--inverse::before { background: var(--accent-soft); }

/* Caption */
.t-caption {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

/* Mono — 数字标签 */
.t-mono {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--fg-mute);
}

/* ===========================================================
   Layout — 12-col grid + container
   =========================================================== */
.ed-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.ed-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--col-gap);
}
@media (max-width: 900px) {
  .ed-container { padding: 0 var(--s-4); }
  .ed-grid { grid-template-columns: repeat(6, 1fr); gap: var(--s-3); }
}
@media (max-width: 600px) {
  .ed-grid { grid-template-columns: repeat(2, 1fr); }
}

.ed-section {
  padding: var(--s-9) 0;
  position: relative;
}
.ed-section--lg  { padding: var(--s-10) 0; }
.ed-section--sm  { padding: var(--s-7) 0; }
.ed-section--dark {
  background: var(--bg-dark);
  color: #fff;
}
.ed-section--dark .t-h1,
.ed-section--dark .t-h2,
.ed-section--dark .t-h3 { color: #fff; }
.ed-section--dark p { color: rgba(255,255,255,0.7); }
.ed-section--soft { background: var(--bg-soft); }
.ed-section--bronze-tint { background: var(--accent-tint); }

.ed-divider {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: var(--s-7) 0;
}
.ed-divider::before, .ed-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* ===========================================================
   Buttons (editorial — minimalist)
   =========================================================== */
.ed-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 56px;
  padding: 0 36px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--fg);
  cursor: pointer;
  transition: all var(--d-base) var(--ease-out);
  text-decoration: none;
}
.ed-btn:hover {
  background: var(--fg);
  color: #fff;
  opacity: 1;
}
.ed-btn--primary {
  background: var(--fg);
  color: #fff;
}
.ed-btn--primary:hover { background: var(--accent); border-color: var(--accent); }

.ed-btn--bronze {
  border-color: var(--accent);
  color: var(--accent);
}
.ed-btn--bronze:hover { background: var(--accent); color: #fff; }

.ed-btn--ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.ed-btn--ghost:hover { background: #fff; color: var(--fg); border-color: #fff; }

.ed-btn--sm {
  height: 40px;
  padding: 0 22px;
  font-size: 10px;
  letter-spacing: 0.2em;
}

.ed-btn--text {
  border: 0;
  height: auto;
  padding: 0;
  letter-spacing: 0.2em;
  position: relative;
  color: var(--fg);
}
.ed-btn--text::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transition: transform var(--d-base) var(--ease-out);
}
.ed-btn--text:hover { background: transparent; color: var(--accent); opacity: 1; }
.ed-btn--text:hover::after { background: var(--accent); }

/* Arrow link — like Novaluce */
.ed-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--fg);
  cursor: pointer;
  transition: gap var(--d-base) var(--ease-out), color var(--d-base) var(--ease-out);
}
.ed-link::after {
  content: '→';
  font-size: 16px;
  letter-spacing: 0;
  transition: transform var(--d-base) var(--ease-out);
}
.ed-link:hover { gap: 16px; color: var(--accent); opacity: 1; }

/* ===========================================================
   Hero  — 100vh editorial
   =========================================================== */
.ed-hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  background: var(--bg-bronze);
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.ed-hero__slider {
  position: absolute; inset: 0;
  z-index: 0;
}
.ed-hero__slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.6s var(--ease-inout);
  transform: scale(1.04);
}
.ed-hero__slide.is-active { opacity: 1; transform: scale(1); }
.ed-hero__slide:nth-child(1) { animation: edHeroFade 18s infinite 0s; }
.ed-hero__slide:nth-child(2) { animation: edHeroFade 18s infinite 6s; }
.ed-hero__slide:nth-child(3) { animation: edHeroFade 18s infinite 12s; }
@keyframes edHeroFade {
  0%   { opacity: 0; transform: scale(1.04); }
  4%   { opacity: 1; transform: scale(1); }
  33%  { opacity: 1; transform: scale(1.06); }
  37%  { opacity: 0; transform: scale(1.08); }
  100% { opacity: 0; transform: scale(1.08); }
}
.ed-hero__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.5) 70%, rgba(0,0,0,0.75) 100%),
    linear-gradient(90deg, rgba(0,0,0,0.4) 0%, transparent 50%);
  z-index: 1;
}
.ed-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 var(--pad-x) var(--s-9);
  max-width: var(--max-w);
  margin: 0 auto;
}
.ed-hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 8.5vw, 144px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: var(--s-4);
  max-width: 14ch;
  color: #fff;
}
.ed-hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-soft);
}
.ed-hero__lede {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
  max-width: 480px;
  margin-bottom: var(--s-5);
}
.ed-hero__cta { display: inline-flex; gap: 16px; flex-wrap: wrap; }

.ed-hero__meta {
  position: absolute;
  right: var(--pad-x);
  bottom: var(--s-7);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}
.ed-hero__meta strong { color: var(--accent-soft); font-weight: 500; }

.ed-hero__index {
  position: absolute;
  left: var(--pad-x);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  writing-mode: vertical-rl;
  display: flex;
  align-items: center;
  gap: 12px;
}
.ed-hero__index::before {
  content: '';
  display: inline-block;
  width: 1px;
  height: 40px;
  background: var(--accent);
}

.ed-scroll-cue {
  position: absolute;
  bottom: var(--s-5);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.ed-scroll-cue__line {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.4);
  position: relative;
  overflow: hidden;
}
.ed-scroll-cue__line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 50%;
  background: var(--accent-soft);
  animation: edScrollDown 1.8s var(--ease-inout) infinite;
}
@keyframes edScrollDown {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

@media (max-width: 700px) {
  .ed-hero { min-height: 560px; }
  .ed-hero__inner { padding-bottom: var(--s-7); }
  .ed-hero__index { display: none; }
  .ed-hero__meta { display: none; }
}

/* ===========================================================
   Chapter — editorial narrative section
   =========================================================== */
.ed-chapter {
  position: relative;
  padding: var(--s-10) 0;
  overflow: hidden;
}
.ed-chapter--parallax .ed-chapter__bg {
  position: absolute;
  inset: -10% 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  will-change: transform;
}
.ed-chapter--parallax .ed-chapter__veil {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 1;
}
.ed-chapter--parallax .ed-chapter__inner { color: #fff; position: relative; z-index: 2; }
.ed-chapter--parallax .ed-chapter__inner .t-h2,
.ed-chapter--parallax .ed-chapter__inner .t-h3 { color: #fff; }
.ed-chapter--parallax .ed-chapter__inner p { color: rgba(255,255,255,0.8); }

.ed-chapter__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.ed-chapter__header {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--s-7);
  align-items: end;
  margin-bottom: var(--s-7);
}
@media (max-width: 800px) { .ed-chapter__header { grid-template-columns: 1fr; gap: var(--s-4); } }

.ed-chapter__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: var(--s-3);
}

.ed-chapter__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
  align-items: center;
}
.ed-chapter__body--reverse { direction: rtl; }
.ed-chapter__body--reverse > * { direction: ltr; }
@media (max-width: 800px) {
  .ed-chapter__body { grid-template-columns: 1fr; gap: var(--s-5); }
}

.ed-chapter__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--line-soft);
  overflow: hidden;
}
.ed-chapter__visual img,
.ed-chapter__visual .ed-chapter__visual-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease-out);
}
.ed-chapter__visual:hover .ed-chapter__visual-img {
  transform: scale(1.04);
}
.ed-chapter__visual-caption {
  position: absolute;
  bottom: 16px; left: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  background: rgba(0,0,0,0.4);
  padding: 4px 10px;
  backdrop-filter: blur(8px);
}
.ed-chapter__visual--wide { aspect-ratio: 16 / 9; }
.ed-chapter__visual--square { aspect-ratio: 1 / 1; }

.ed-chapter__list {
  list-style: none;
  margin-top: var(--s-4);
}
.ed-chapter__list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 18px;
  color: var(--fg);
}
.ed-chapter__list li::before {
  content: attr(data-num);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
  align-self: start;
  padding-top: 6px;
}
.ed-chapter__list li small {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 400;
  color: var(--fg-mute);
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* ===========================================================
   About page — intro grid (text left, factory photo right)
   =========================================================== */
.ed-about-intro {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--s-7);
  align-items: start;
}
.ed-about-intro__text { min-width: 0; }
.ed-about-intro__visual { min-width: 0; }
@media (max-width: 900px) {
  .ed-about-intro {
    grid-template-columns: 1fr;
    gap: var(--s-6);
  }
}

/* ===========================================================
   Factory facade (about page — right column)
   =========================================================== */
.ed-factory-hero {
  max-width: 100%;
  margin: 0;
  text-align: left;
}
.ed-factory-hero__eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  display: inline-block;
  position: relative;
  padding-left: 36px;
}
.ed-factory-hero__eyebrow::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.ed-factory-hero__figure {
  margin: 0;
  position: relative;
}
.ed-factory-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}
.ed-factory-hero__caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 4px 0;
  border-top: 1px solid var(--line);
  margin-top: 0;
}
.ed-factory-hero__caption-line {
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
  font-weight: 400;
  color: var(--fg);
}
.ed-factory-hero__caption-meta {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-mute);
  font-weight: 500;
}
@media (max-width: 700px) {
  .ed-factory-hero__caption { flex-direction: column; align-items: flex-start; gap: 4px; }
  .ed-factory-hero__eyebrow { padding-left: 28px; }
  .ed-factory-hero__eyebrow::before { width: 18px; }
}

/* ===========================================================
   Editorial data wall (replaces stat-card)
   =========================================================== */
.ed-data {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
}
@media (max-width: 700px) { .ed-data { grid-template-columns: repeat(2, 1fr); } }
.ed-data__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ed-data__num {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(48px, 5vw, 80px);
  line-height: 1;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.ed-data__num em {
  font-style: normal;
  color: var(--accent);
  font-weight: 300;
}
.ed-data__unit {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--fg-mute);
  text-transform: uppercase;
  margin-top: 4px;
}
.ed-data__label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-soft);
  margin-top: 8px;
}
.ed-data__item--bronze .ed-data__num { color: var(--accent); }
/* 深色章节下数字要变白,不然看不见 */
.ed-section--dark .ed-data__num,
.ed-section--dark .ed-data__num em {
  color: #fff;
  font-weight: 400;        /* Light 字重在深色背景下对比度太弱,改 Regular */
}
.ed-section--dark .ed-data__num em { color: var(--accent-soft); }
.ed-section--dark .ed-data__item--bronze .ed-data__num { color: var(--accent-soft); }

/* ===========================================================
   Product grid (editorial) — 4-col compact, 1:1 thumbnail
   =========================================================== */
.ed-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5) var(--s-4);
}
@media (max-width: 1100px) { .ed-products { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 800px)  { .ed-products { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .ed-products { grid-template-columns: 1fr; gap: var(--s-5); } }

.ed-product {
  position: relative;
  display: block;
  color: inherit;
}
.ed-product__media {
  position: relative;
  aspect-ratio: 1 / 1;     /* 方形缩略图 */
  background: var(--line-soft);
  overflow: hidden;
  margin-bottom: var(--s-2);
}
.ed-product__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.6s var(--ease-out), transform 1.2s var(--ease-out);
}
.ed-product__img--alt { opacity: 0; }
.ed-product:hover .ed-product__img--main { opacity: 0; transform: scale(1.03); }
.ed-product:hover .ed-product__img--alt  { opacity: 1; transform: scale(1.03); }

.ed-product__tag {
  position: absolute;
  top: 8px; left: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--fg);
  background: rgba(255,255,255,0.9);
  padding: 3px 8px;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}
.ed-product__cat {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--fg-mute);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.ed-product__title {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.3;
  color: var(--fg);
  margin-bottom: 4px;
  letter-spacing: 0;
}
.ed-product__sku {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-mute);
  letter-spacing: 0.05em;
}
.ed-product__arrow {
  position: absolute;
  top: 0; right: 0;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--fg);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: all var(--d-base) var(--ease-out);
  font-size: 14px;
}
.ed-product:hover .ed-product__arrow { opacity: 1; transform: translate(0, 0); }

/* ===========================================================
   Filter tabs (editorial)
   =========================================================== */
.ed-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-4);
  border-bottom: 1px solid var(--line);
}
.ed-filters a {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 18px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-soft);
  border: 1px solid transparent;
  transition: all var(--d-fast) var(--ease-out);
}
.ed-filters a:hover { color: var(--fg); }
.ed-filters a.is-active {
  color: #fff;
  background: var(--fg);
}

/* ===========================================================
   Forms (editorial)
   =========================================================== */
.ed-field { margin-bottom: var(--s-4); }
.ed-field label {
  display: block;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fg-soft);
  margin-bottom: 10px;
}
.ed-field input,
.ed-field textarea,
.ed-field select {
  display: block;
  width: 100%;
  padding: 14px 0;
  font-family: var(--serif);
  font-size: 17px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  outline: none;
  color: var(--fg);
  transition: border-color var(--d-base) var(--ease-out);
}
.ed-field input:focus,
.ed-field textarea:focus,
.ed-field select:focus {
  border-color: var(--accent);
}
.ed-field textarea { min-height: 140px; resize: vertical; }
.ed-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
@media (max-width: 600px) { .ed-field-row { grid-template-columns: 1fr; } }

/* ===========================================================
   Sticky quote bar (B2B)
   =========================================================== */
.ed-quote-bar {
  position: fixed;
  right: var(--s-4);
  bottom: var(--s-4);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.8s var(--ease-out), opacity 0.6s var(--ease-out);
  pointer-events: none;
}
.ed-quote-bar.is-visible { transform: translateY(0); opacity: 1; pointer-events: auto; }

.ed-quote-bar__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  transition: transform var(--d-base) var(--ease-out), background var(--d-base) var(--ease-out);
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.ed-quote-bar__btn:hover { transform: scale(1.08); background: var(--accent-deep); }
.ed-quote-bar__btn--whatsapp { background: #25d366; }
.ed-quote-bar__btn--whatsapp:hover { background: #1ebe5d; }
.ed-quote-bar__btn--top { background: var(--fg); opacity: 0.9; }

/* Top bar quote button (always visible on desktop) */
.ed-topquote {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 18px;
  background: var(--accent);
  color: #fff;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-left: 16px;
  transition: background var(--d-base) var(--ease-out);
}
.ed-topquote:hover { background: var(--accent-deep); opacity: 1; }
@media (max-width: 900px) { .ed-topquote { display: none; } }

/* WeChat 按钮 (WeChat brand green) */
.ed-quote-bar__btn--wechat { background: #07c160; }
.ed-quote-bar__btn--wechat:hover { background: #06a052; }

/* WeChat Modal — 极简版 */
.wechat-modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 200;
  display: none;
  align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.wechat-modal.is-open { display: flex; }
.wechat-modal__inner {
  background: #ffffff;
  width: 360px;
  max-width: 92vw;
  padding: 36px 32px 28px;
  position: relative;
  border-top: 2px solid var(--accent);
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.4);
}
.wechat-modal__close {
  position: absolute;
  top: 10px; right: 12px;
  background: transparent;
  border: 0;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: #999;
  padding: 6px 10px;
  font-family: var(--sans);
}
.wechat-modal__close:hover { color: #333; }
.wechat-modal__eyebrow {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #999;
  text-align: center;
  margin-bottom: 6px;
}
.wechat-modal__title {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 22px;
  font-weight: 400;
  color: #111;
  text-align: center;
  margin: 0 0 22px;
  line-height: 1.3;
  font-style: italic;
}
.wechat-modal__qr {
  width: 180px; height: 180px;
  margin: 0 auto 18px;
  background: #fff;
  border: 1px solid #e5e5e5;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 8px;
  box-sizing: border-box;
}
.wechat-modal__qr img {
  width: 100%; height: 100%;
  display: block;
  image-rendering: pixelated;
}
.wechat-modal__id {
  display: flex; align-items: center; justify-content: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}
.wechat-modal__id-label {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #999;
  font-weight: 600;
}
.wechat-modal__id-value {
  font-size: 13px;
  color: #111;
  font-feature-settings: "tnum";
}
.wechat-modal__copy {
  font-family: inherit;
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  padding: 3px 9px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.wechat-modal__copy:hover { background: var(--accent); color: #fff; }
.wechat-modal__copy.is-copied {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.wechat-modal__hint {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 11px;
  color: #999;
  text-align: center;
  margin: 0;
  letter-spacing: 0.04em;
}
@media (max-width: 480px) {
  .wechat-modal__inner { padding: 32px 24px 24px; }
  .wechat-modal__title { font-size: 19px; }
  .wechat-modal__qr { width: 160px; height: 160px; }
}

/* ===========================================================
   Language switcher
   =========================================================== */
.ed-lang {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 12px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-soft);
}
.ed-lang a {
  padding: 4px 6px;
  color: var(--fg-mute);
  transition: color var(--d-fast) var(--ease-out);
}
.ed-lang a.is-active { color: var(--fg); }
.ed-lang a:hover { color: var(--accent); opacity: 1; }
.ed-lang__sep { color: var(--line); }

/* ===========================================================
   Certifications / Project / Craftsmanship grids
   =========================================================== */
.ed-cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
}
@media (max-width: 900px) { .ed-cert-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .ed-cert-grid { grid-template-columns: 1fr; } }
.ed-cert {
  background: #fff;
  border: 1px solid var(--line);
  padding: var(--s-5);
  transition: border-color var(--d-base) var(--ease-out), transform var(--d-base) var(--ease-out);
}
.ed-cert:hover { border-color: var(--accent); transform: translateY(-4px); }
.ed-cert__mark {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 40px;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: var(--s-3);
}
.ed-cert__name {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
  margin-bottom: 6px;
}
.ed-cert__meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--fg-mute);
  margin-bottom: var(--s-3);
}
.ed-cert__desc {
  font-size: 12px;
  color: var(--fg-soft);
  line-height: 1.5;
}

/* Project cards */
.ed-projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-6);
}
@media (max-width: 700px) { .ed-projects { grid-template-columns: 1fr; } }
.ed-project {
  position: relative;
  display: block;
  background: var(--bg-soft);
  overflow: hidden;
  transition: transform var(--d-base) var(--ease-out);
}
.ed-project:hover { transform: translateY(-4px); }
.ed-project__media {
  aspect-ratio: 4 / 3;
  background: var(--line);
  overflow: hidden;
  position: relative;
}
.ed-project__media img,
.ed-project__media .ed-project__img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.ed-project:hover .ed-project__img { transform: scale(1.05); }
.ed-project__body {
  padding: var(--s-4) var(--s-4) var(--s-5);
}
.ed-project__type {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.ed-project__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 24px;
  color: var(--fg);
  margin-bottom: 8px;
}
.ed-project__meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  letter-spacing: 0.05em;
}
.ed-project__desc {
  font-size: 13px;
  color: var(--fg-soft);
  line-height: 1.6;
  margin-top: 12px;
}

/* Craftsmanship step */
.ed-steps {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}
.ed-step {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 1fr;
  gap: var(--s-5);
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
@media (max-width: 800px) { .ed-step { grid-template-columns: 60px 1fr; gap: var(--s-3); } }
.ed-step__num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.2em;
  padding-top: 4px;
}
.ed-step__name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  color: var(--fg);
  line-height: 1.3;
}
.ed-step__desc {
  font-size: 14px;
  color: var(--fg-soft);
  line-height: 1.6;
  grid-column: 3 / 4;
}
.ed-step__meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  letter-spacing: 0.1em;
  grid-column: 4 / 5;
  padding-top: 4px;
}
@media (max-width: 800px) {
  .ed-step__desc, .ed-step__meta { grid-column: 2 / 3; }
}

/* ===========================================================
   Animations (GSAP will set initial states; CSS handles reduced motion)
   默认 visible — 防止 GSAP 加载失败时内容"永远消失"
   GSAP 接管时会在 init() 里主动 set hidden 再动画
   =========================================================== */
.js-reveal { opacity: 1; transform: none; }
/* GSAP 加载后由 JS 加上 .js-reveal--armed class 触发隐藏 + 动画 */
.js-reveal--armed { opacity: 0; transform: translateY(24px); }
.js-reveal--armed.js-reveal--scale { transform: scale(0.96); }
.js-reveal--armed.js-reveal--left { transform: translateX(-32px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js-reveal { opacity: 1; transform: none; }
}

/* ===========================================================
   Utilities
   =========================================================== */
.ed-text-center { text-align: center; }
.ed-text-right  { text-align: right; }
.ed-mt-1  { margin-top: var(--s-1); }
.ed-mt-2  { margin-top: var(--s-2); }
.ed-mt-3  { margin-top: var(--s-3); }
.ed-mt-4  { margin-top: var(--s-4); }
.ed-mt-5  { margin-top: var(--s-5); }
.ed-mt-6  { margin-top: var(--s-6); }
.ed-mt-7  { margin-top: var(--s-7); }
.ed-mb-3  { margin-bottom: var(--s-3); }
.ed-mb-5  { margin-bottom: var(--s-5); }
.ed-mb-7  { margin-bottom: var(--s-7); }

.ed-w-full  { width: 100%; }
.ed-mx-auto { margin-left: auto; margin-right: auto; }
.ed-flex    { display: flex; }
.ed-flex-center { display: flex; align-items: center; justify-content: center; }
.ed-gap-3   { gap: var(--s-3); }
.ed-gap-5   { gap: var(--s-5); }

.ed-cover {
  width: 100%; height: 100%;
  object-fit: cover;
}