/* ============================================================
   INDECO — Dark Luxury "Material Atelier" Design System
   Colors: warm charcoal base, brushed-gold accent, warm off-white ink
   Fonts: Playfair Display (display) · Inter (UI/body)
   ============================================================ */

:root {
  --c-bg: #14110F;
  --c-bg-soft: #1C1814;
  --c-surface: #211C17;
  --c-surface-2: #2A241D;
  --c-ink: #EDE6DA;
  --c-ink-soft: #C7BEB0;
  --c-ink-mute: #918879;
  --c-accent: #C8A04A;
  --c-accent-soft: #B8913F;
  --c-footer: #0E0C0A;
  --c-border: rgba(200,160,74,0.20);
  --c-border-soft: rgba(255,255,255,0.08);
  --space-section: 140px;
  --max-w: 1240px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--c-ink-soft);
  background: var(--c-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--c-ink);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: 0.005em;
}

a { text-decoration: none; color: inherit; }

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 16px 36px;
  transition: all 0.4s var(--ease);
  cursor: pointer;
  border: none;
}
.btn--primary { background: var(--c-accent); color: #14110F; }
.btn--primary:hover { background: #D9B25E; }
.btn--ghost { color: var(--c-ink); border-bottom: 1px solid rgba(200,160,74,0.5); padding: 16px 4px; }
.btn--ghost:hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn--sm { padding: 12px 28px; font-size: 13px; }
.btn--block { width: 100%; text-align: center; }

/* ===== Navigation ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 24px 0;
  transition: all 0.4s var(--ease);
}
.nav.scrolled, .nav--solid {
  background: rgba(20,17,15,0.92);
  backdrop-filter: blur(12px);
  padding: 16px 0;
  border-bottom: 1px solid var(--c-border);
}
.nav__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.nav__logo { font-family: 'Playfair Display', Georgia, serif; font-weight: 700; font-size: 22px; letter-spacing: 0.12em; color: var(--c-ink); transition: color 0.4s; }
.nav__links { display: flex; gap: 36px; align-items: center; }
.nav__links a { font-size: 14px; font-weight: 500; color: rgba(237,230,218,0.82); transition: color 0.3s; }
.nav.scrolled .nav__links a, .nav--solid .nav__links a { color: var(--c-ink-soft); }
.nav__links a:hover { color: var(--c-accent); }
.nav__links a.is-active,
.nav.scrolled .nav__links a.is-active,
.nav--solid .nav__links a.is-active { color: var(--c-accent); }
.nav__cta { border: 1px solid var(--c-accent) !important; color: var(--c-accent) !important; padding: 10px 22px !important; border-radius: 2px; }
.nav__cta:hover { background: var(--c-accent); color: #14110F !important; }
.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav__toggle span { width: 26px; height: 2px; background: var(--c-ink); transition: 0.3s; }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 32px;
  color: var(--c-ink);
}
.hero__bg {
  position: absolute; inset: 0; z-index: -2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero__bg::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.hero__content { max-width: var(--max-w); margin: 0 auto; width: 100%; }
.hero__label { font-size: 12px; letter-spacing: 0.25em; color: var(--c-accent); font-weight: 600; }
.hero__title { font-size: clamp(40px, 6vw, 72px); font-weight: 500; margin: 24px 0; letter-spacing: -0.01em; }
.hero__sub { font-size: 17px; max-width: 540px; color: rgba(237,230,218,0.78); margin-bottom: 40px; }
.hero__actions { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.hero__scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); font-size: 11px; letter-spacing: 0.2em; color: rgba(237,230,218,0.55); }

/* ===== Section Common ===== */
.section-head { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; text-align: center; margin-bottom: 72px; }
.section-label { font-size: 12px; letter-spacing: 0.25em; color: var(--c-accent); font-weight: 600; }
.section-title { font-size: clamp(30px, 4vw, 44px); font-weight: 600; margin: 18px 0 16px; }
.section-sub { font-size: 16px; max-width: 620px; margin: 0 auto; color: var(--c-ink-mute); }

/* ===== Collections ===== */
.collections { padding: var(--space-section) 0; }
.collections__grid {
  max-width: var(--max-w); margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.collection {
  position: relative; aspect-ratio: 4/3; overflow: hidden;
  background: var(--ph, #211C17);
  display: flex; align-items: flex-end;
  border: 1px solid rgba(200,160,74,0.14);
  transition: transform .6s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.collection--large { grid-row: auto; aspect-ratio: 4/3; }
.collection__overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.7), transparent 65%); opacity: 0.85; transition: opacity 0.5s var(--ease); }
.collection:hover .collection__overlay { opacity: 1; }
.collection:hover { transform: translateY(-6px); border-color: rgba(200,160,74,0.55); box-shadow: 0 18px 40px -18px rgba(0,0,0,0.7); }
.collection__info { position: relative; z-index: 2; padding: 28px; color: #fff; transform: translateY(8px); transition: transform 0.5s var(--ease); }
.collection:hover .collection__info { transform: translateY(0); }
.collection__info h3 { font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.collection__info span { font-size: 13px; opacity: 0; transition: opacity 0.5s; color: var(--c-accent); }
.collection:hover .collection__info span { opacity: 1; }

/* ===== Process ===== */
.process { padding: var(--space-section) 0; background: var(--c-bg-soft); }
.process__timeline { max-width: 860px; margin: 0 auto; padding: 0 32px; }
.step { display: flex; gap: 32px; padding: 28px 0; border-top: 1px solid var(--c-border-soft); }
.step:last-child { border-bottom: 1px solid var(--c-border-soft); }
.step__num { font-family: 'Playfair Display', Georgia, serif; font-size: 40px; font-weight: 600; color: rgba(200,160,74,0.62); min-width: 70px; }
.step__body h3, .step__body h4 { font-size: 18px; margin-bottom: 6px; color: var(--c-ink); }
.step__body p { font-size: 15px; color: var(--c-ink-mute); }

/* ===== Cases ===== */
.cases { padding: var(--space-section) 0; }
.case { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 0; align-items: center; }
.case__img { aspect-ratio: 16/10; background: linear-gradient(135deg, #2A241D, #14110F); background-size: cover; background-position: center; overflow: hidden; }
.case__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.case__card { background: var(--c-surface); border: 1px solid var(--c-border); padding: 48px; margin-left: -60px; box-shadow: 0 24px 70px rgba(0,0,0,0.45); }
.case__tag { font-size: 12px; letter-spacing: 0.15em; color: var(--c-accent); font-weight: 600; }
.case__name { font-size: 28px; font-weight: 600; margin: 12px 0 20px; color: var(--c-ink); }
.case__meta { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; font-size: 14px; color: var(--c-ink-mute); }
.case__meta strong { color: var(--c-ink); font-weight: 600; }

/* ===== About ===== */
.about { padding: var(--space-section) 0; background: var(--c-bg-soft); }
.about__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 80px; align-items: stretch; }
.about__body { font-size: 16px; margin-top: 24px; color: var(--c-ink-soft); }
.about__media { display: flex; align-items: center; padding: 18px 0 18px 18px; }
.about__media img { width: 100%; height: auto; display: block; }
.about__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 32px; margin-top: 48px; }
.stat { border-left: 2px solid var(--c-accent); padding-left: 20px; }
.stat__num { display: block; font-family: 'Playfair Display', Georgia, serif; font-size: 48px; font-weight: 600; color: var(--c-ink); }
.stat__label { font-size: 14px; color: var(--c-ink-mute); }

/* ===== Contact ===== */
.contact { padding: var(--space-section) 0; }
.contact__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.contact__list { list-style: none; margin-top: 32px; display: flex; flex-direction: column; gap: 14px; font-size: 15px; }
.contact__list a { color: var(--c-accent); }
.contact__form { display: flex; flex-direction: column; gap: 16px; }
.contact__form--center { max-width: 560px; margin: 24px auto 0; text-align: left; }
.contact__form input, .contact__form select, .contact__form textarea {
  font-family: 'Inter', sans-serif; font-size: 15px; padding: 16px 18px;
  border: 1px solid var(--c-border-soft); background: var(--c-surface); color: var(--c-ink);
  border-radius: 2px; transition: border-color 0.3s;
}
.contact__form input:focus, .contact__form select:focus, .contact__form textarea:focus { outline: none; border-color: var(--c-accent); }

/* ===== Footer ===== */
.footer { background: var(--c-footer); color: rgba(237,230,218,0.7); padding: 80px 0 32px; }
.footer__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; align-items: start; padding-bottom: 56px; border-bottom: 1px solid var(--c-border-soft); }
.footer__logo { font-family: 'Playfair Display', Georgia, serif; font-weight: 700; font-size: 24px; letter-spacing: 0.12em; color: var(--c-ink); }
.footer__col--brand p { margin-top: 12px; font-size: 14px; color: var(--c-ink-mute); max-width: 220px; line-height: 1.6; }
.footer__col h3, .footer__col h4 { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-accent); margin-bottom: 18px; font-weight: 600; }
.footer__col a { display: block; font-size: 14px; color: var(--c-ink-soft); text-decoration: none; margin-bottom: 12px; transition: color 0.3s; }
.footer__col a:hover { color: var(--c-accent); }
/* Navigation and Markets columns: clean vertical lists */
.footer__col:not(.footer__col--brand) { display: flex; flex-direction: column; align-items: flex-start; gap: 0; }
.footer__col:not(.footer__col--brand) h4 { flex: none; margin-bottom: 18px; }
.footer__col:not(.footer__col--brand) a { margin-bottom: 12px; }
/* Markets: 2-column mini grid so 6 regions sit neatly without trailing whitespace */
.footer__col--markets { display: grid !important; grid-template-columns: repeat(2, 1fr); gap: 8px 32px; }
.footer__col--markets h4 { grid-column: 1 / -1; margin-bottom: 18px; }
.footer__col--markets a { margin-bottom: 0; white-space: nowrap; }
.footer__external { color: var(--c-accent) !important; font-weight: 600; display: inline-flex !important; align-items: center; gap: 5px; }
.footer__external svg { transition: transform 0.3s; }
.footer__external:hover svg { transform: translate(2px, -2px); }
.footer__social { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.footer__social a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid rgba(200,160,74,0.3); border-radius: 50%; color: var(--c-ink-soft); text-decoration: none; transition: color 0.3s, background 0.3s, border-color 0.3s, transform 0.3s; }
.footer__social a:hover { color: #14110F; background: var(--c-accent); border-color: var(--c-accent); transform: translateY(-3px); }
.footer__social svg { display: block; }
.footer__bottom { max-width: var(--max-w); margin: 0 auto; padding: 24px 32px 0; display: flex; justify-content: space-between; font-size: 13px; color: var(--c-ink-mute); }
.footer__bottom-links { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }

/* ===== Floating WhatsApp ===== */
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 99;
  width: 54px; height: 54px; border-radius: 50%;
  background: #25d366; color: #fff; font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  transition: transform 0.3s;
}
.wa-float:hover { transform: scale(1.08); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .nav__links { position: fixed; top: 0; right: -100%; width: 70%; height: 100vh; background: var(--c-bg); flex-direction: column; justify-content: center; gap: 28px; transition: right 0.4s var(--ease); box-shadow: -10px 0 40px rgba(0,0,0,0.4); }
  .nav__links.open { right: 0; }
  .nav__links a { color: var(--c-ink) !important; font-size: 18px; }
  .nav__links a.is-active { color: var(--c-accent) !important; }
  .nav__toggle { display: flex; }
  .collections__grid { grid-template-columns: 1fr 1fr; }
  .collection--large { grid-row: auto; aspect-ratio: 4/3; }
  .case { grid-template-columns: 1fr; }
  .case__card { margin-left: 0; margin-top: -40px; }
  .about__inner, .contact__inner { grid-template-columns: 1fr; gap: 48px; }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__col--brand { grid-column: 1 / -1; }
  :root { --space-section: 90px; }
}
@media (max-width: 560px) {
  .collections__grid { grid-template-columns: 1fr; }
  .about__stats { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__col--markets { grid-template-columns: 1fr; }
}

/* ============================================================
   SUB-PAGE SHARED COMPONENTS (multi-page site)
   ============================================================ */

/* horizontal switch bar (solutions / products / cases) */
.subnav { background: var(--c-bg-soft); border-bottom: 1px solid var(--c-border-soft); position: sticky; top: 72px; z-index: 50; }
.subnav__inner { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: flex; gap: 4px; overflow-x: auto; }
.subnav a { font-size: 13px; font-weight: 500; color: var(--c-ink-mute); padding: 18px 14px; white-space: nowrap; border-bottom: 2px solid transparent; transition: all 0.3s; }
.subnav a:hover, .subnav a.active { color: var(--c-ink); border-bottom-color: var(--c-accent); }

/* sub-page hero */
.page-hero { position: relative; min-height: 62vh; display: flex; flex-direction: column; justify-content: center; padding: 140px 32px 90px; color: var(--c-ink); }
.page-hero__bg { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; }
.page-hero__bg::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.page-hero__content { max-width: var(--max-w); margin: 0 auto; width: 100%; }
.page-hero__label { font-size: 12px; letter-spacing: 0.25em; color: var(--c-accent); font-weight: 600; }
.page-hero__title { font-size: clamp(34px, 5vw, 56px); font-weight: 500; margin: 20px 0 16px; }
.page-hero__sub { font-size: 16px; max-width: 560px; color: rgba(237,230,218,0.8); }

/* generic content section */
.page-section { padding: var(--space-section) 0; }
.page-section--soft { background: var(--c-bg-soft); }

/* material / product grid */
.pgrid { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pcard { background: var(--c-surface); border: 1px solid var(--c-border-soft); overflow: hidden; border-radius: 2px; transition: all 0.4s var(--ease); }
.pcard:hover { border-color: var(--c-accent); box-shadow: 0 14px 40px rgba(0,0,0,0.4); transform: translateY(-4px); }
.pcard__img { aspect-ratio: 4/3; background: #211C17 center/cover no-repeat; }
.pcard__body { padding: 22px 24px 26px; }
.pcard__body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--c-ink); }
.pcard__body p { font-size: 14px; color: var(--c-ink-mute); }
.pcard__body a { display: inline-block; margin-top: 14px; font-size: 13px; color: var(--c-accent); font-weight: 600; }

/* two-column intro text */
.page-intro { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.page-intro p { font-size: 16px; color: var(--c-ink-soft); margin-bottom: 18px; }

/* contact detail blocks */
.contact__detail { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
.info-block { background: var(--c-surface); padding: 24px; border-left: 2px solid var(--c-accent); border-radius: 2px; }
.info-block h3, .info-block h4 { font-size: 13px; letter-spacing: 0.1em; color: var(--c-accent); font-weight: 600; margin-bottom: 8px; }
.info-block p { font-size: 15px; color: var(--c-ink-soft); }
.info-block a { font-size: 15px; color: var(--c-accent); text-decoration: none; transition: opacity 0.3s; }
.info-block a:hover { text-decoration: underline; opacity: 0.85; }

/* case detail */
.case-detail { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: start; }
.case-detail__img { aspect-ratio: 16/10; background: #211C17 center/cover no-repeat; border-radius: 2px; }
.case-detail__meta { font-size: 14px; color: var(--c-ink-mute); display: flex; flex-direction: column; gap: 14px; }
.case-detail__meta strong { color: var(--c-ink); font-weight: 600; }

@media (max-width: 900px) {
  .pgrid { grid-template-columns: 1fr 1fr; }
  .page-intro, .contact__detail, .case-detail { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 560px) {
  .pgrid { grid-template-columns: 1fr; }
}

/* ===== Gallery (图片占位画廊) ===== */
.gallery { padding: var(--space-section) 0; }
.gallery__grid { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.gallery__item { aspect-ratio: 1/1; background-color: var(--c-surface); background-size: cover; background-position: center; border-radius: 2px; transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease); }
.gallery__item:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.45); }
@media (max-width: 900px) { .gallery__grid { grid-template-columns: 1fr 1fr; } }

/* ===== Blog ===== */
.blog-grid { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.blog-post { background: var(--c-surface); border: 1px solid rgba(200,160,74,0.14); border-radius: 3px; overflow: hidden; transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.5s var(--ease); }
.blog-post:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(0,0,0,0.45); border-color: rgba(200,160,74,0.4); }
.blog-post__thumb { display: block; aspect-ratio: 16/10; background-color: #211C17; background-size: cover; background-position: center; }
.blog-post__body { padding: 26px 24px 28px; }
.blog-post__tag { display: inline-block; font-size: 11px; letter-spacing: 0.12em; color: var(--c-accent); font-weight: 600; margin-bottom: 12px; }
.blog-post__title { font-family: var(--font-serif); font-size: 20px; line-height: 1.35; margin-bottom: 12px; }
.blog-post__title a { color: var(--c-ink); text-decoration: none; }
.blog-post__title a:hover { color: var(--c-accent); }
.blog-post__excerpt { font-size: 14px; color: var(--c-ink-soft); line-height: 1.7; margin-bottom: 16px; }
.blog-post__meta { display: flex; gap: 10px; font-size: 13px; color: var(--c-ink-mute); margin-bottom: 16px; }
.blog-post__more { font-size: 14px; font-weight: 600; color: var(--c-accent); text-decoration: none; }
.blog-post__more:hover { color: #e0bd6a; }

/* ===== FAQ ===== */
.blog-faq { background: var(--c-bg-alt); }
.faq { max-width: 860px; margin: 0 auto; padding: 0 32px; }
.faq__item { border-bottom: 1px solid rgba(200,160,74,0.16); }
.faq__item:first-child { border-top: 1px solid rgba(200,160,74,0.16); }
.faq__q { list-style: none; cursor: pointer; padding: 22px 40px 22px 4px; position: relative; font-size: 17px; font-weight: 500; color: var(--c-ink); font-family: var(--font-serif); }
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-size: 22px; color: var(--c-accent); font-weight: 400; transition: transform 0.3s var(--ease); }
.faq__item[open] .faq__q::after { content: "\2013"; }
.faq__a { padding: 0 40px 24px 4px; font-size: 15px; color: var(--c-ink-soft); line-height: 1.8; }

@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .blog-grid { grid-template-columns: 1fr; } }

/* ===================== 流程 8 项排列优化 (2026-09-14) ===================== */

/* 桌面：4 列 × 2 行，8 个步骤紧凑平铺；每个步骤顶部细线 + 金色编号 */
.process--grid .process__timeline {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px 32px;
}
.process--grid .step {
  display: block;
  border: 0;
  border-top: 1px solid var(--c-border-soft);
  padding: 18px 0 0;
}
.process--grid .step:last-child { border-bottom: 0; }
.process--grid .step__num {
  display: block;
  min-width: 0;
  font-size: 22px;
  line-height: 1;
  margin-bottom: 12px;
  color: rgba(200,160,74,0.85);
}
.process--grid .step__body h3, .process--grid .step__body h4 { font-size: 15px; margin-bottom: 5px; }
.process--grid .step__body p { font-size: 13px; line-height: 1.55; }

/* 中屏：2 列 × 4 行 */
@media (max-width: 1100px) {
  .process--grid .process__timeline { grid-template-columns: repeat(2, 1fr); gap: 32px 28px; }
}
/* 窄屏：单列 */
@media (max-width: 620px) {
  .process--grid .process__timeline { grid-template-columns: 1fr; gap: 24px; padding: 0 24px; }
}

/* Solutions 分诊台 CTA */
.solcta { text-align: center; padding: 8px 0 16px; }
.solcta__btn { display: inline-block; border: 1px solid var(--c-accent); color: var(--c-accent); padding: 14px 36px; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; transition: background 0.3s, color 0.3s; }
.solcta__btn:hover { background: var(--c-accent); color: var(--c-bg); }

/* ===== Link regularity + Process six-element (2026-09-14 evening) ===== */
.pcard__link { display: inline-block; margin-top: 14px; font-size: 13px; color: var(--c-accent); font-weight: 600; }
.pcard:hover .pcard__link { color: #e0bd6a; }
.step__phase { display: block; font-size: 10px; letter-spacing: 0.18em; color: var(--c-accent); font-weight: 600; margin-bottom: 8px; }
.step__meta { margin-top: 10px; display: flex; flex-direction: column; gap: 3px; font-size: 12px; line-height: 1.5; color: var(--c-ink-mute); }
.step__meta strong { color: var(--c-ink-soft); font-weight: 500; }
.process--grid .step__phase { font-size: 9px; margin-bottom: 6px; }
.process--grid .step__meta { font-size: 11.5px; margin-top: 8px; }

.case-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:8px}
.case-gallery__item{aspect-ratio:4/3;background-size:cover;background-position:center;border-radius:6px;border:1px solid var(--c-line,#2a2622)}
@media(max-width:900px){.case-gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.case-gallery{grid-template-columns:1fr}}


/* ===== FAQ helpers (faqs.html) ===== */
.section-lead { font-size: 16px; color: var(--c-ink-soft); max-width: 620px; margin: 14px auto 0; line-height: 1.7; }
.faq-cta { text-align: center; margin-top: 44px; }

/* ===== Solutions: Concept → Drawing → Finishing showcase ===== */
.sol-process {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.sol-process__item {
  background: var(--c-surface);
  border: 1px solid var(--c-border-soft);
  border-radius: 2px;
  padding: 32px 28px;
  position: relative;
}
.sol-process__num {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 40px;
  font-weight: 500;
  color: var(--c-accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 18px;
}
.sol-process__item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--c-ink);
}
.sol-process__item p {
  font-size: 14px;
  color: var(--c-ink-mute);
  line-height: 1.65;
}

.sol-stage {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 32px;
  border-bottom: 1px solid var(--c-border-soft);
}
.sol-stage:first-of-type { padding-top: 0; }
.sol-stage:last-of-type { border-bottom: 0; }
.sol-stage__head {
  margin-bottom: 28px;
}
.sol-stage__head h3 {
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 10px;
  color: var(--c-ink);
}
.sol-stage__head p {
  font-size: 15px;
  color: var(--c-ink-soft);
  max-width: 680px;
  line-height: 1.65;
}
.sol-stage__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}
.sol-stage__item {
  position: relative;
  height: 340px;
  background: linear-gradient(155deg, #1b1714 0%, #14110f 100%);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--c-border-soft);
  transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.sol-stage__item:hover {
  border-color: rgba(200,160,74,0.45);
  box-shadow: 0 14px 40px rgba(0,0,0,0.35);
}
.sol-stage__img {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.6s var(--ease);
}
.sol-stage__item:hover .sol-stage__img { transform: scale(1.04); }
.sol-stage__label {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  font-size: 11px;
  letter-spacing: 0.14em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--c-ink);
  background: rgba(20,17,15,0.75);
  padding: 7px 12px;
  border: 1px solid rgba(200,160,74,0.35);
  border-radius: 2px;
  backdrop-filter: blur(4px);
}

@media (max-width: 900px) {
  .sol-process { grid-template-columns: 1fr; gap: 20px; }
  .sol-stage__grid { grid-template-columns: 1fr; gap: 16px; }
  .sol-stage { padding: 40px 24px; }
  .sol-stage__item { height: 260px; }
}
@media (max-width: 560px) {
  .sol-process { padding: 0 24px; }
  .sol-stage { padding: 32px 24px; }
  .sol-stage__item { height: 220px; }
  .sol-stage__label { top: 10px; left: 10px; font-size: 10px; padding: 6px 10px; }
}
/* Client group photo gallery section (wall only since 2026-09-16) */
.client-photo-section { padding: var(--space-section) 0; text-align: center; }
.client-gallery { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
.client-gallery__item img { width: 100%; height: auto; display: block; border-radius: 2px; }
@media (max-width: 560px) {
  .client-gallery { padding: 0 20px; }
}

/* ===== Blog article figures & enhancements (added 2026-09-16) ===== */
.blog-figure{margin:36px 0}
.blog-figure img{width:100%;display:block;border:1px solid rgba(200,160,74,.18);border-radius:3px}
.blog-figure figcaption{margin-top:10px;font-size:13px;letter-spacing:.02em;color:var(--c-ink-mute,#9a9388)}
.blog-figgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:36px 0}
.blog-figgrid figure{margin:0}
.blog-figgrid img{width:100%;display:block;border:1px solid rgba(200,160,74,.18);border-radius:3px}
.blog-figgrid figcaption{margin-top:8px;font-size:12.5px;color:var(--c-ink-mute,#9a9388)}
.blog-callout{margin:32px 0;padding:20px 22px;border-left:3px solid var(--c-accent,#C8A04A);background:rgba(200,160,74,.06);border-radius:0 3px 3px 0}
.blog-callout strong{color:var(--c-accent,#C8A04A)}
.blog-related{margin:48px 0 8px;padding-top:28px;border-top:1px solid rgba(200,160,74,.16)}
.blog-related h3,.blog-related h4{font-size:14px;letter-spacing:.18em;text-transform:uppercase;color:var(--c-ink-mute,#9a9388);margin:0 0 18px}
.blog-related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.blog-related__card{display:block;border:1px solid rgba(200,160,74,.16);border-radius:3px;overflow:hidden;text-decoration:none;background:var(--c-bg-soft,#1b1714);transition:border-color .4s var(--ease,cubic-bezier(.22,.61,.36,1)),transform .4s var(--ease,cubic-bezier(.22,.61,.36,1))}
.blog-related__card:hover{border-color:var(--c-accent,#C8A04A);transform:translateY(-3px)}
.blog-related__thumb{height:120px;background-size:cover;background-position:center}
.blog-related__card span{display:block;padding:12px 14px;font-size:14px;font-weight:600;color:var(--c-ink,#ECE7DF)}
@media (max-width:760px){.blog-figgrid,.blog-related__grid{grid-template-columns:1fr}}

/* ===== inquiry form status (2026-09-16) ===== */
.contact__form-status { color: var(--c-accent); font-size: 14px; margin-top: 10px; }

/* ===== image-based media (imgopt 2026-09-16) ===== */
.hero__bg img, .page-hero__bg img, .pcard__img img, .case-detail__img img,
.case-gallery__item img, .sol-stage__img img, .blog-related__thumb img, .blog-post__thumb img {
  width: 100%; height: 100%; display: block; object-fit: cover;
}
/* 全部 stage 缩略图裁剪填满卡片（用户 2026-09-16 指示：填充缩略图窗口） */
.sol-stage__img img { object-fit: cover; }
/* 个别区块回退完整显示（如 Main Entrance 竖版图纸，cover 裁剪严重） */
.sol-stage__img--contain img { object-fit: contain; }
.blog-related__thumb { display: block; }
/* 背景色兜底：图片加载前不留白 */
.case-gallery__item, .pcard__img, .case-detail__img, .blog-post__thumb, .blog-related__thumb { background-color: #211C17; }
.hero__bg, .page-hero__bg { background-color: #14110F; }

/* Landing-page service cards */
.svc { background: var(--c-surface); border: 1px solid var(--c-border-soft); border-radius: 2px; padding: 28px 26px; transition: border-color 0.3s, transform 0.3s; }
.svc:hover { border-color: var(--c-accent); transform: translateY(-3px); }
.svc__num { font-family: 'Playfair Display', Georgia, serif; font-size: 14px; font-weight: 600; color: var(--c-accent); letter-spacing: 0.1em; }
.svc h3 { font-size: 17px; font-weight: 600; margin: 10px 0 8px; color: var(--c-ink); }
.svc p { font-size: 14px; color: var(--c-ink-mute); line-height: 1.6; }