:root {
  --ink: #191919;
  --wood: #8a6d4e;
  --wood-deep: #6f5236;
  --champagne: #b39268;
  --gold: #c9a870;
  --cream: #f6f2ec;
  --paper: #fffdf9;
  --grey: #7c7c7c;
  --line: #e5ddd0;
  --dark: #14120f;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,253,249,.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.logo img { height: 46px; width: auto; }
.site-header nav ul { display: flex; gap: 34px; font-size: 15px; letter-spacing: 2px; }
.site-header nav a { padding: 6px 0; border-bottom: 2px solid transparent; transition: .25s; }
.site-header nav a:hover { border-color: var(--champagne); color: var(--wood-deep); }
.site-header nav a.active { border-color: var(--gold); color: var(--wood-deep); }
.nav-cta {
  background: var(--ink); color: var(--paper) !important;
  padding: 9px 26px !important; border: none !important;
}
.nav-cta:hover { background: var(--wood-deep); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 88vh; display: flex; align-items: center; overflow: hidden; color: #fff; }
.hero-bg {
  position: absolute; inset: 0;
  background: url("../img/hero-building.webp") center/cover no-repeat;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(75deg, rgba(15,13,10,.68) 8%, rgba(15,13,10,.32) 55%, rgba(15,13,10,.05));
}
.hero-inner { position: relative; display: flex; align-items: center; gap: 64px; width: 100%; padding-top: 60px; padding-bottom: 60px; }
.hero-vertical {
  display: flex; gap: 14px; flex-shrink: 0;
  writing-mode: vertical-rl; text-orientation: upright;
  font-size: 30px; letter-spacing: 10px; font-weight: 700;
  border-right: 1px solid rgba(255,255,255,.35); padding-right: 26px; height: 320px;
}
.hero-vertical span { color: #fff; }
.hero-vertical em { font-style: normal; color: var(--gold); }
.hero-main { max-width: 700px; }
.hero-kicker { font-size: 12px; letter-spacing: 5px; color: var(--gold); font-family: Arial, sans-serif; margin-bottom: 22px; }
.hero h1 { font-size: clamp(34px, 4.6vw, 58px); line-height: 1.35; font-weight: 700; }
.hero-sub { margin: 26px 0 40px; font-size: 16px; color: rgba(255,255,255,.82); max-width: 560px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 14px 40px; font-size: 15px; letter-spacing: 4px; transition: .3s; }
.btn-gold { background: var(--gold); color: var(--dark); }
.btn-gold:hover { background: #d8bc8a; }
.btn-line { border: 1px solid rgba(255,255,255,.55); color: #fff; }
.btn-line:hover { border-color: var(--gold); color: var(--gold); }
.hero-motto {
  position: absolute; right: 40px; bottom: 34px;
  writing-mode: vertical-rl; text-orientation: upright;
  letter-spacing: 12px; font-size: 14px; color: rgba(255,255,255,.65);
}

/* ---------- stats ---------- */
.stats { background: var(--ink); color: #fff; padding: 52px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; text-align: center; }
.stat strong { display: block; font-size: 34px; color: var(--gold); font-weight: 700; }
.stat span { font-size: 13px; color: rgba(255,255,255,.6); letter-spacing: 1px; }

/* ---------- section head ---------- */
.section { padding: 100px 0; }
.section-cream { background: var(--cream); }
.sec-head { margin-bottom: 56px; }
.sec-no { font-size: 15px; color: var(--champagne); font-family: Arial, sans-serif; letter-spacing: 3px; }
.sec-head h2 { font-size: clamp(28px, 3.2vw, 40px); letter-spacing: 6px; margin: 6px 0 2px; }
.sec-en { font-size: 12px; letter-spacing: 4px; color: var(--grey); font-family: Arial, sans-serif; }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; align-items: center; }
.about-figure { position: relative; }
.about-figure img { width: 100%; height: 480px; object-fit: cover; }
.about-figure::after {
  content: ""; position: absolute; left: -18px; top: 18px;
  width: 100%; height: 100%; border: 1px solid var(--champagne); z-index: -1;
}
.about-text .lead { font-size: 18px; margin-bottom: 20px; }
.about-text p { margin-bottom: 16px; color: #3c3a36; font-size: 15px; }
.about-list { margin-top: 26px; border-top: 1px solid var(--line); }
.about-list li { display: flex; gap: 22px; padding: 15px 4px; border-bottom: 1px solid var(--line); align-items: baseline; }
.about-list b { color: var(--wood-deep); letter-spacing: 4px; white-space: nowrap; }
.about-list span { color: var(--grey); font-size: 14px; }

/* ---------- projects ---------- */
.proj-lead { display: grid; grid-template-columns: 1.15fr .85fr; gap: 52px; align-items: center; margin-bottom: 60px; }
.proj-lead img { width: 100%; height: 360px; object-fit: cover; }
.proj-lead figcaption { font-size: 12px; color: var(--grey); margin-top: 10px; text-align: right; letter-spacing: 2px; }
.proj-lead h3 { font-size: 24px; letter-spacing: 3px; margin-bottom: 16px; color: var(--wood-deep); }
.proj-lead p { font-size: 15px; color: #3c3a36; }
.proj-tags { margin-top: 20px; display: flex; gap: 12px; flex-wrap: wrap; }
.proj-tags span {
  font-size: 13px; letter-spacing: 3px; padding: 5px 16px;
  border: 1px solid var(--champagne); color: var(--wood-deep);
}
.proj-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.proj-list li { position: relative; overflow: hidden; height: 300px; }
.proj-list li a { display: block; height: 100%; color: #fff; text-decoration: none; }
.proj-list img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.proj-list li:hover img { transform: scale(1.05); }
.proj-list li div {
  position: absolute; inset: auto 0 0 0; padding: 44px 24px 20px;
  background: linear-gradient(transparent, rgba(12,10,8,.85)); color: #fff;
}
.proj-list i { font-style: normal; font-size: 12px; letter-spacing: 4px; color: var(--gold); }
.proj-list h3 { font-size: 20px; letter-spacing: 2px; margin: 2px 0; }
.proj-list p { font-size: 13px; color: rgba(255,255,255,.75); }

/* ---------- craft ---------- */
.section-dark { background: var(--dark); color: #fff; }
.section-dark .sec-en { color: rgba(255,255,255,.4); }
.craft-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,.12); }
.craft-item { background: var(--dark); padding: 46px 38px; }
.craft-item strong { font-size: 44px; color: var(--gold); font-weight: 700; font-family: Arial, sans-serif; }
.craft-item strong i { font-style: normal; font-size: 26px; }
.craft-item h3 { font-size: 19px; letter-spacing: 2px; margin: 12px 0 14px; }
.craft-item p { font-size: 14px; color: rgba(255,255,255,.62); }

/* ---------- spaces ---------- */
.spaces-note { max-width: 760px; color: var(--grey); font-size: 15px; margin-bottom: 46px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery figure { position: relative; overflow: hidden; height: 280px; margin: 0; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption {
  position: absolute; left: 0; bottom: 0; right: 0;
  padding: 34px 20px 14px; color: #fff; font-size: 15px; letter-spacing: 3px;
  background: linear-gradient(transparent, rgba(12,10,8,.8));
}

/* ---------- service ---------- */
.service-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; max-width: 940px; }
.service-col h3 { font-size: 20px; letter-spacing: 4px; color: var(--wood-deep); margin-bottom: 22px; padding-bottom: 12px; border-bottom: 2px solid var(--champagne); display: inline-block; }
.service-col li { padding: 10px 0 10px 24px; position: relative; font-size: 15px; color: #3c3a36; border-bottom: 1px dashed var(--line); }
.service-col li::before { content: ""; position: absolute; left: 2px; top: 21px; width: 8px; height: 8px; background: var(--champagne); transform: rotate(45deg); }
.service-strip { margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.service-strip strong { display: block; font-size: 26px; color: var(--wood-deep); letter-spacing: 3px; }
.service-strip span { font-size: 13px; color: var(--grey); }

/* ---------- faq ---------- */
.faq-list { max-width: 860px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 22px 8px; }
.faq-list summary { cursor: pointer; font-weight: 700; font-size: 17px; letter-spacing: 1px; list-style: none; position: relative; padding-right: 34px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: -2px; font-size: 24px; color: var(--champagne); font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin-top: 12px; font-size: 15px; color: var(--grey); }

/* ---------- contact ---------- */
.contact.section { padding: 64px 0 56px; }
.contact-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: start; }
.contact-slogan { color: rgba(255,255,255,.72); font-size: 16px; max-width: 460px; }
.contact-item { margin-bottom: 22px; }
.contact-item h3 { font-size: 13px; letter-spacing: 5px; color: var(--gold); margin-bottom: 8px; }
.contact-item p { font-size: 16px; color: rgba(255,255,255,.88); }
.contact-item small { color: rgba(255,255,255,.5); margin-left: 8px; }
.contact-item a:hover { color: var(--gold); }

.proj-addr { list-style: none; margin: 0; padding: 0; }
.proj-addr li { padding: 7px 0; border-bottom: 1px dashed rgba(255,255,255,.15); font-size: 14px; }
.proj-addr li:last-child { border-bottom: 0; }
.proj-addr b { color: #d4b26a; font-weight: 700; margin-right: 10px; letter-spacing: 1px; }
.proj-addr span { color: rgba(255,255,255,.85); }

/* ---------- footer ---------- */
.site-footer { background: #0c0b09; color: rgba(255,255,255,.45); font-size: 12px; }
.footer-cols { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1.4fr; gap: 46px; padding: 46px 0 34px; }
.f-brand img { filter: brightness(0) invert(.75); height: 28px; width: auto; margin-bottom: 14px; }
.f-brand p { margin: 0 0 10px; line-height: 1.8; }
.footer-motto { letter-spacing: 6px; color: var(--champagne); }
.f-stats { display: grid; grid-template-columns: repeat(4, auto); gap: 26px; margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); }
.f-stat b { display: block; font-size: 19px; color: var(--gold); letter-spacing: 1px; }
.f-stat span { display: block; margin-top: 4px; font-size: 11px; color: rgba(255,255,255,.4); letter-spacing: 1px; }

.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; border-left: 2px solid var(--champagne); }
.timeline li { display: flex; align-items: baseline; gap: 18px; padding: 10px 0 10px 24px; position: relative; }
.timeline li::before { content: ''; position: absolute; left: -7px; top: 18px; width: 12px; height: 12px; border-radius: 50%; background: var(--champagne); }
.timeline b { font-size: 20px; color: var(--wood-deep); min-width: 90px; font-family: Georgia, serif; }
.timeline span { color: var(--ink-soft); }
.timeline-wrap { display: grid; grid-template-columns: 1fr .52fr; gap: 0; align-items: stretch; }
.timeline-gallery { display: flex; padding-top: 8px; margin-left: -220px; z-index: 1; }
.timeline-gallery figure { margin: 0; position: relative; overflow: hidden; border-radius: 4px; box-shadow: 0 10px 32px rgba(90,70,40,.12); border: 1px solid rgba(200,170,120,.18); flex: 1; display: flex; flex-direction: column; }
.timeline-gallery img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s ease; min-height: 320px; }
.timeline-gallery figure:hover img { transform: scale(1.03); }
.timeline-gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 22px 20px; color: #fff; background: linear-gradient(transparent 0%, rgba(40,28,14,.18) 45%, rgba(40,28,14,.82) 100%); display: flex; flex-direction: column; gap: 4px; }
.timeline-gallery .fig-year { font-family: Georgia, serif; font-size: 22px; letter-spacing: 3px; color: var(--gold, #c9a86c); }
.timeline-gallery .fig-sub { font-size: 12px; letter-spacing: 4px; text-transform: uppercase; color: rgba(255,255,255,.82); }
.timeline-gallery figure::before { content: ''; position: absolute; top: 14px; left: 14px; right: 14px; bottom: 14px; border: 1px solid rgba(255,255,255,.25); border-radius: 2px; pointer-events: none; z-index: 2; }
.timeline-gallery figure::after { content: ''; position: absolute; top: 0; left: 0; width: 46px; height: 46px; border-top: 3px solid var(--gold, #c9a86c); border-left: 3px solid var(--gold, #c9a86c); z-index: 2; }
.timeline-gallery figure figcaption::before { content: ''; position: absolute; top: -6px; left: 0; width: 28px; height: 2px; background: var(--gold, #c9a86c); }

.about-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.about-gallery figure { margin: 0; position: relative; overflow: hidden; border-radius: 4px; }
.about-gallery img { width: 100%; height: 210px; object-fit: cover; display: block; transition: transform .4s; }
.about-gallery figure:hover img { transform: scale(1.04); }
.about-gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 8px 12px; font-size: 13px; color: #fff; background: linear-gradient(transparent, rgba(0,0,0,.65)); }
.f-title { font-size: 13px; letter-spacing: 5px; color: var(--gold); margin-bottom: 14px; }
.f-col a, .f-col span { display: block; padding: 5px 0; color: rgba(255,255,255,.55); text-decoration: none; }
.f-col a:hover { color: var(--gold); }
.footer-bar { border-top: 1px solid rgba(255,255,255,.08); padding: 14px 0; display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-bar p { margin: 0; }
.f-bar-links { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.f-bar-links a { color: rgba(255,255,255,.55); transition: .2s; }
.f-bar-links a:hover { color: var(--gold); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- QA / inner pages ---------- */
.qa-hero { background: var(--cream); padding: 70px 0 54px; border-bottom: 1px solid var(--line); }
.qa-crumb { font-size: 13px; color: var(--grey); margin-bottom: 18px; letter-spacing: 1px; }
.qa-crumb a:hover { color: var(--wood-deep); }
.qa-crumb span { color: var(--wood-deep); }
.qa-hero h1 { font-size: clamp(26px, 3.4vw, 40px); letter-spacing: 2px; line-height: 1.4; }
.qa-hero-sub { margin-top: 14px; color: var(--grey); max-width: 720px; }
.qa-wrap { max-width: 860px; }
.qa-wrap h2 { font-size: 22px; letter-spacing: 1px; color: var(--wood-deep); margin: 44px 0 18px; padding-left: 16px; border-left: 4px solid var(--champagne); }
.qa-wrap p { margin-bottom: 14px; font-size: 15px; color: #3c3a36; }
.qa-wrap ul { margin: 0 0 16px 0; }
.qa-wrap ul li { padding: 8px 0 8px 24px; position: relative; font-size: 15px; color: #3c3a36; border-bottom: 1px dashed var(--line); }
.qa-wrap ul li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 8px; height: 8px; background: var(--champagne); transform: rotate(45deg); }
.qa-more li { border-bottom: 1px solid var(--line); }
.qa-more a { display: block; padding: 20px 4px; font-weight: 700; letter-spacing: 1px; transition: .25s; }
.qa-more a:hover { color: var(--wood-deep); padding-left: 12px; }
.qa-more span { display: block; font-size: 13px; color: var(--grey); font-weight: 400; margin-top: 4px; }
.qa-index { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.qa-index a { display: block; height: 100%; background: #fff; border: 1px solid var(--line); padding: 30px 30px 24px; transition: .25s; }
.qa-index a:hover { border-color: var(--champagne); box-shadow: 0 8px 24px rgba(90,70,40,.1); transform: translateY(-3px); }
.qa-index h2 { font-size: 18px; letter-spacing: 1px; line-height: 1.6; color: var(--ink); }
.qa-index p { font-size: 13px; color: var(--grey); margin-top: 10px; }
.qa-index .thumb { display: block; height: 170px; object-fit: cover; margin: -30px -30px 16px; width: calc(100% + 60px); max-width: none; border-bottom: 1px solid var(--line); }
.news-more { margin-top: 26px; text-align: right; }
.news-more a { font-weight: 700; letter-spacing: 1px; color: var(--wood-deep); }
.news-more a:hover { color: var(--champagne); }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; }
.spec-table th, .spec-table td { border: 1px solid var(--line); padding: 14px 18px; font-size: 14px; text-align: left; vertical-align: top; }
.spec-table th { width: 120px; background: var(--cream); color: var(--wood-deep); letter-spacing: 2px; white-space: nowrap; }
.spec-table td { color: #3c3a36; }
.step-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step { background: #fff; border: 1px solid var(--line); padding: 26px 20px; text-align: center; }
.step i { font-style: normal; font-family: Arial, sans-serif; font-size: 26px; font-weight: 700; color: var(--champagne); }
.step h3 { font-size: 16px; letter-spacing: 2px; margin: 10px 0 8px; color: var(--wood-deep); }
.step p { font-size: 13px; color: var(--grey); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.stats-page { grid-template-columns: repeat(4, 1fr); }
.stat-light strong { color: var(--wood-deep); }
.stat-light span { color: var(--grey); }
.craft-light { background: rgba(0,0,0,.06); }
.craft-light .craft-item { background: var(--paper); }
.craft-light .craft-item p { color: var(--grey); }
.qa-article { max-width: 100%; }

@media (max-width: 900px) {
  .qa-index { grid-template-columns: 1fr; }
  .step-flow { grid-template-columns: repeat(2, 1fr); }
  .card-grid-2, .stats-page { grid-template-columns: repeat(2, 1fr); }
  .spec-table th { width: 90px; }
}
@media (max-width: 620px) {
  .step-flow { grid-template-columns: 1fr; }
  .card-grid-2, .stats-page { grid-template-columns: 1fr; }
  .spec-table th, .spec-table td { display: block; width: 100%; }
}

/* ---------- project topic pages ---------- */
.phero {
  position: relative; min-height: 72vh; display: flex; align-items: flex-end;
  color: #fff; overflow: hidden; isolation: isolate;
}
.phero::before {
  content: ""; position: absolute; inset: -4%; z-index: -2;
  background: var(--hero) center/cover no-repeat;
  animation: kenburns 18s ease-out forwards;
}
@keyframes kenburns { from { transform: scale(1.08); } to { transform: scale(1); } }
.phero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(12deg, rgba(13,11,8,.9) 18%, rgba(13,11,8,.5) 55%, rgba(13,11,8,.12));
}
.phero-inner { position: relative; width: 100%; padding: 0 0 64px; display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; }
.phero-kicker { font-size: 12px; letter-spacing: 5px; color: var(--gold); font-family: Arial, sans-serif; margin-bottom: 16px; }
.phero h1 { font-size: clamp(32px, 4.2vw, 54px); letter-spacing: 6px; line-height: 1.3; }
.phero-sub { margin-top: 18px; max-width: 620px; color: rgba(255,255,255,.82); font-size: 15px; }
.phero-actions { margin-top: 34px; display: flex; gap: 16px; flex-wrap: wrap; }
.phero-vertical {
  writing-mode: vertical-rl; text-orientation: upright; flex-shrink: 0;
  font-size: 22px; letter-spacing: 10px; font-weight: 700;
  border-right: 1px solid rgba(255,255,255,.35); padding-right: 22px; height: 240px;
  color: rgba(255,255,255,.92);
}
.phero-vertical em { font-style: normal; color: var(--gold); }
.pcrumb { position: absolute; top: 96px; left: 0; right: 0; z-index: 1; }
.pcrumb a { color: rgba(255,255,255,.72); }
.pcrumb a:hover { color: var(--gold); }
.pcrumb span { color: var(--gold); }

.pstats { background: var(--ink); color: #fff; padding: 40px 0; }
.pstats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
.pstat { border-left: 1px solid rgba(255,255,255,.14); padding: 4px 10px; }
.pstat:first-child { border-left: 0; }
.pstat strong { display: block; font-size: 24px; color: var(--gold); font-weight: 700; letter-spacing: 1px; }
.pstat span { font-size: 13px; color: rgba(255,255,255,.55); letter-spacing: 2px; }

.pintro { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.pintro-lead { font-size: 17px; color: #3c3a36; margin-bottom: 16px; }
.pintro p { font-size: 15px; color: #3c3a36; margin-bottom: 14px; }
.pintro-tags { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.pintro-tags span { font-size: 13px; letter-spacing: 3px; padding: 5px 16px; border: 1px solid var(--champagne); color: var(--wood-deep); }

/* gallery stagger */
.gallery-masonry figure { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.gallery-masonry figure.visible { opacity: 1; transform: none; }
.gallery-masonry figure.visible:hover img { transform: scale(1.04); }
.gallery-masonry figure { cursor: zoom-in; }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center;
  background: rgba(10,9,7,.92); opacity: 0; pointer-events: none; transition: opacity .3s;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 92vw; max-height: 88vh; box-shadow: 0 20px 60px rgba(0,0,0,.5); transform: scale(.96); transition: transform .3s; }
.lightbox.open img { transform: scale(1); }
.lightbox-close {
  position: absolute; top: 22px; right: 30px; font-size: 34px; color: rgba(255,255,255,.8);
  cursor: pointer; line-height: 1; font-family: Arial, sans-serif;
}
.lightbox-close:hover { color: var(--gold); }
.lightbox figcaption { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.75); font-size: 14px; letter-spacing: 2px; }

/* ---------- photo carousel ---------- */
.pv { max-width: 980px; margin: 0 auto; }
.pv-stage {
  position: relative; overflow: hidden; background: var(--dark);
  aspect-ratio: 16 / 10; cursor: zoom-in; outline: none;
}
.pv-stage:focus-visible { box-shadow: 0 0 0 2px var(--champagne); }
.pv-img { width: 100%; height: 100%; object-fit: cover; opacity: 1; transition: opacity .35s ease, transform .35s ease; }
.pv-img.swap { opacity: 0; transform: scale(1.02); }
.pv-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2;
  width: 46px; height: 46px; border: none; cursor: pointer;
  background: rgba(15,13,10,.55); color: #fff; font-size: 28px; line-height: 1;
  font-family: Arial, sans-serif; transition: .25s; display: flex; align-items: center; justify-content: center;
}
.pv-btn:hover { background: var(--gold); color: var(--dark); }
.pv-prev { left: 14px; }
.pv-next { right: 14px; }
.pv-meta {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 30px 20px 12px; color: #fff; font-size: 13px; letter-spacing: 2px;
  background: linear-gradient(transparent, rgba(12,10,8,.75)); pointer-events: none;
}
.pv-idx { font-family: Arial, sans-serif; color: var(--gold); }
.pv-cap { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pv-thumbs { display: grid; grid-template-columns: repeat(13, 1fr); gap: 8px; margin-top: 10px; }
.pv-thumb {
  padding: 0; border: 2px solid transparent; cursor: pointer; background: none;
  height: 64px; overflow: hidden; opacity: .55; transition: .25s;
}
.pv-thumb img { width: 100%; height: 100%; object-fit: cover; }
.pv-thumb:hover { opacity: .9; }
.pv-thumb.is-active { border-color: var(--champagne); opacity: 1; }
@media (max-width: 900px) { .pv-thumbs { grid-template-columns: repeat(7, 1fr); } .pv-thumb { height: 52px; } }
@media (max-width: 620px) { .pv-thumbs { grid-template-columns: repeat(5, 1fr); } .pv-thumb { height: 44px; } .pv-btn { width: 38px; height: 38px; font-size: 22px; } }

@media (max-width: 900px) {
  .pstats-grid { grid-template-columns: repeat(2, 1fr); }
  .pstat { border-left: 0; }
  .pintro { grid-template-columns: 1fr; }
  .phero-vertical { display: none; }
}
.gallery-masonry { columns: 3; column-gap: 16px; }
.gallery-masonry figure { break-inside: avoid; margin: 0 0 16px; position: relative; overflow: hidden; }
.gallery-masonry img { width: 100%; transition: .4s; }
.gallery-masonry figure:hover img { transform: scale(1.03); }
.gallery-masonry figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 26px 14px 10px; color: #fff; font-size: 12px; letter-spacing: 1px;
  background: linear-gradient(transparent, rgba(12,10,8,.75)); opacity: 0; transition: .3s;
}
.gallery-masonry figure:hover figcaption { opacity: 1; }
.video-fig { margin-top: 16px; }
.video-fig video { width: 100%; display: block; background: #000; }
.video-fig figcaption {
  position: static; background: none; opacity: 1; padding: 10px 2px;
  color: var(--grey); font-size: 13px; text-align: center;
}
.gallery-note { margin-top: 30px; text-align: center; color: var(--grey); font-size: 14px; }
.gallery-note a { color: var(--wood-deep); font-weight: 700; }
.photo-entries { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 44px; }
.gallery-sub { font-size: 20px; letter-spacing: 1px; color: var(--wood-deep); margin: 46px 0 18px; padding-left: 14px; border-left: 4px solid var(--champagne); }
.gallery-masonry + .gallery-sub { margin-top: 26px; }
.photo-entries a { display: block; position: relative; height: 200px; overflow: hidden; }
.photo-entries img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.photo-entries a:hover img { transform: scale(1.05); }
.photo-entries b {
  position: absolute; inset: auto 0 0 0; padding: 36px 16px 14px;
  background: linear-gradient(transparent, rgba(12,10,8,.85));
  color: #fff; font-size: 15px; letter-spacing: 2px; font-weight: 700;
}
@media (max-width: 900px) { .gallery-masonry { columns: 2; } .photo-entries { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .gallery-masonry { columns: 1; } .photo-entries { grid-template-columns: 1fr; } }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .about-grid, .proj-lead, .contact-wrap, .timeline-wrap { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 30px; }
  .f-brand { grid-column: 1 / -1; }
  .proj-list, .gallery, .craft-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 30px; }
  .hero-vertical { display: none; }
  .about-figure img { height: 340px; }
}
@media (max-width: 620px) {
  .header-inner { flex-direction: column; height: auto; padding: 14px 0; gap: 10px; }
  .site-header nav ul { flex-wrap: wrap; justify-content: center; gap: 14px; }
  .proj-list, .gallery { grid-template-columns: 1fr; }
  .craft-grid, .service-cols, .service-strip, .timeline-gallery { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 64px 0; }
  .hero-motto { display: none; }
}

.section-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 34px; padding: 26px 30px; background: #141210; border: 1px solid rgba(201,164,92,.35); border-radius: 6px; }
.section-cta h2 { margin: 0; font-size: 22px; color: var(--champagne); }
.section-cta p { margin: 4px 0 0; color: rgba(255,255,255,.6); }
.cta-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 26px; border-radius: 3px; font-size: 15px; letter-spacing: 2px; text-decoration: none; transition: all .25s; }
.btn-gold { background: var(--champagne); color: #141210; font-weight: 600; }
.btn-gold:hover { filter: brightness(1.08); }
.btn-line { border: 1px solid rgba(255,255,255,.8); color: #fff; }
.btn-line:hover { background: rgba(201,164,92,.12); }
section.section .section-cta h2, section.section .section-cta p { color: inherit; }

.spaces-video { margin-bottom: 26px; }
.spaces-video video { width: 100%; max-height: 520px; background: #000; border-radius: 6px; display: block; }
.video-cap { text-align: center; color: var(--ink-soft); font-size: 13px; margin: 10px 0 0; }

.lease-modes { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.lease-mode { border: 1px solid rgba(20,18,16,.12); border-radius: 6px; padding: 30px 28px; }
.lease-mode-hl { border-color: var(--champagne); background: rgba(201,164,92,.06); }
.lease-mode h3 { margin: 0 0 6px; font-size: 22px; }
.lease-range { font-size: 30px; font-family: Georgia, serif; color: var(--wood-deep); margin: 0 0 16px; }
.lease-mode ul { margin: 0 0 22px; padding-left: 18px; color: var(--ink-soft); }
.lease-mode ul li { padding: 4px 0; }

.lease-steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.lease-steps li { display: flex; gap: 20px; padding: 16px 0; border-bottom: 1px dashed rgba(20,18,16,.15); }
.lease-steps li:last-child { border-bottom: 0; }
.lease-steps b { font-family: Georgia, serif; font-size: 26px; color: var(--champagne); min-width: 52px; }
.lease-steps h3 { margin: 0 0 4px; font-size: 17px; }
.lease-steps p { margin: 0; color: var(--ink-soft); }

@media (max-width: 760px) {
  .lease-modes { grid-template-columns: 1fr; }
  .section-cta { flex-direction: column; align-items: flex-start; }
}

.svc-blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 30px; }
.svc-block { display: flex; flex-direction: column; border: 1px solid rgba(20,18,16,.12); border-radius: 6px; overflow: hidden; background: #fff; position: relative; transition: box-shadow .3s; }
.svc-block:hover { box-shadow: 0 10px 30px rgba(90,70,40,.12); }
.svc-fig { margin: 0; height: 190px; overflow: hidden; }
.svc-fig img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.svc-block:hover .svc-fig img { transform: scale(1.05); }
.svc-ico { width: 56px; height: 56px; border-radius: 50%; background: var(--champagne); color: #141210; font-size: 24px; font-weight: 700; display: flex; align-items: center; justify-content: center; font-family: Georgia, serif; margin: -28px 0 0 26px; position: relative; border: 3px solid #fff; }
.svc-body { padding: 14px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.svc-body h2 { margin: 10px 0 10px; font-size: 21px; }
.svc-body ul { flex: 1; }
.svc-more { align-self: flex-start; }
.svc-body p { margin: 0 0 12px; color: var(--ink-soft); line-height: 1.75; }
.svc-body ul { margin: 0 0 14px; padding: 0; list-style: none; }
.svc-body ul li { padding: 3px 0 3px 18px; position: relative; color: var(--ink-soft); font-size: 14px; }
.svc-body ul li::before { content: ''; position: absolute; left: 0; top: 12px; width: 7px; height: 7px; background: var(--champagne); }
.svc-more { align-self: flex-start; display: inline-block; padding: 9px 20px; border: 1px solid var(--champagne); border-radius: 3px; color: var(--wood-deep); font-weight: 600; text-decoration: none; font-size: 14px; letter-spacing: 1px; transition: all .25s; }
.svc-more::after { content: ''; position: absolute; inset: 0; }
.svc-more:hover { background: var(--champagne); color: #fff; }

@media (max-width: 860px) { .svc-blocks { grid-template-columns: 1fr; } }

.book-wrap { max-width: 980px; }
.book-tabs { display: flex; flex-wrap: wrap; border-bottom: 1px solid rgba(201,164,92,.3); }
.book-tabs input { position: absolute; opacity: 0; pointer-events: none; }
.book-tabs label { padding: 14px 26px; font-size: 15px; letter-spacing: 2px; color: rgba(255,255,255,.65); cursor: pointer; border: 1px solid transparent; border-bottom: 0; transition: all .2s; }
.book-tabs input:checked + label { color: var(--champagne); background: rgba(201,164,92,.1); border-color: rgba(201,164,92,.4); border-radius: 4px 4px 0 0; }
.book-tip { color: rgba(255,255,255,.55); font-size: 14px; margin: 18px 0; }
.book-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.book-grid input { padding: 13px 14px; border: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.06); color: #fff; border-radius: 3px; font-size: 14px; }
.book-grid input::placeholder { color: rgba(255,255,255,.4); }
.book-grid input:focus { outline: none; border-color: var(--champagne); }
.hp-field { position: absolute; left: -9999px; height: 0; width: 0; opacity: 0; }
.book-foot { display: flex; align-items: center; gap: 18px; margin-top: 18px; flex-wrap: wrap; }
.book-btn { padding: 13px 40px; background: var(--champagne); color: #141210; border: 0; border-radius: 3px; font-size: 15px; font-weight: 700; letter-spacing: 3px; cursor: pointer; transition: filter .2s; }
.book-btn:hover { filter: brightness(1.1); }
.book-privacy { margin: 0; font-size: 12px; color: rgba(255,255,255,.4); max-width: 560px; }
.book-msg { margin-top: 14px; padding: 12px 16px; border-radius: 3px; font-size: 14px; display: none; }
.book-msg.ok { display: block; background: rgba(90,160,90,.18); color: #b8e0b8; border: 1px solid rgba(90,160,90,.4); }
.book-msg.err { display: block; background: rgba(200,90,90,.18); color: #e0b8b8; border: 1px solid rgba(200,90,90,.4); }

@media (max-width: 860px) { .book-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .book-grid { grid-template-columns: 1fr; } }

.book-light { background: var(--cream); border-top: 1px solid rgba(20,18,16,.08); }
.book-light .sec-no { color: var(--wood-deep); }
.book-light .sec-head h2, .book-light .book-tip { color: var(--ink); }
.book-light .sec-en { color: rgba(20,18,16,.35); }
.book-light .book-tabs { border-bottom: 1px solid rgba(20,18,16,.15); }
.book-light .book-tabs label { color: var(--ink-soft); background: rgba(20,18,16,.04); margin-right: 6px; border-radius: 4px 4px 0 0; }
.book-light .book-tabs label:hover { color: var(--wood-deep); }
.book-light .book-tabs input:checked + label { color: #fff; background: var(--wood-deep); border-color: var(--wood-deep); }
.book-light .book-tip { color: var(--ink-soft); }
.book-light .book-grid input { border: 1px solid rgba(20,18,16,.22); background: #fff; color: var(--ink); }
.book-light .book-grid input::placeholder { color: rgba(20,18,16,.4); }
.book-light .book-grid input:focus { border-color: var(--wood-deep); }
.book-light .book-btn { background: var(--wood-deep); color: #fff; }
.book-light .book-privacy { color: rgba(20,18,16,.45); }
.book-light .book-msg.ok { background: rgba(90,160,90,.12); color: #2e6b2e; border-color: rgba(90,160,90,.4); }
.book-light .book-msg.err { background: rgba(200,90,90,.1); color: #8b2e2e; border-color: rgba(200,90,90,.4); }
.book-light .sec-head { text-align: left; }

.hero-book { background: var(--cream); padding: 44px 0 50px; border-bottom: 1px solid rgba(20,18,16,.08); }
.hero-book-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 46px; align-items: center; }
.hero-book-txt h1 { margin: 10px 0 12px; }
.hero-book .book-form { background: #fff; border: 1px solid rgba(20,18,16,.1); border-radius: 6px; padding: 22px 24px 20px; box-shadow: 0 10px 30px rgba(20,18,16,.07); }
.hero-book .book-tabs { border-bottom: 1px solid rgba(20,18,16,.15); margin-bottom: 14px; }
.hero-book .book-tabs label { color: var(--ink-soft); background: rgba(20,18,16,.04); margin-right: 6px; border-radius: 4px 4px 0 0; padding: 11px 18px; font-size: 14px; }
.hero-book .book-tabs input:checked + label { color: #fff; background: var(--wood-deep); border-color: var(--wood-deep); }
.hero-book .book-tip { color: var(--ink-soft); margin: 0 0 12px; font-size: 13px; }
.hero-book .book-grid { grid-template-columns: 1fr 1fr; }
.hero-book .book-grid input { border: 1px solid rgba(20,18,16,.22); background: #fff; color: var(--ink); padding: 11px 13px; }
.hero-book .book-grid input::placeholder { color: rgba(20,18,16,.4); }
.hero-book .book-grid input:focus { border-color: var(--wood-deep); }
.hero-book .book-foot { margin-top: 14px; }
.hero-book .book-btn { background: var(--wood-deep); color: #fff; padding: 11px 34px; }
.hero-book .book-privacy { color: rgba(20,18,16,.45); }

@media (max-width: 960px) { .hero-book-wrap { grid-template-columns: 1fr; gap: 26px; } }
@media (max-width: 560px) { .hero-book .book-grid { grid-template-columns: 1fr; } }

/* ---------- advantage data strip ---------- */
.edge-data { margin-top: 52px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.edge-item { display: flex; align-items: center; gap: 20px; padding: 26px 30px; border: 1px solid rgba(201,164,92,.35); border-radius: 4px; }
.edge-item strong { font-size: 42px; color: var(--gold); font-family: Georgia, serif; white-space: nowrap; }
.edge-item span { font-size: 14px; color: rgba(255,255,255,.62); line-height: 1.7; }

/* ---------- material grid ---------- */
.mat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.mat-card { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; }
.mat-card h3 { padding: 26px 26px 4px; font-size: 20px; letter-spacing: 2px; color: var(--wood-deep); margin: 0; }
.mat-card .mat-en { padding: 0 26px 18px; font-size: 12px; letter-spacing: 3px; color: var(--grey); margin: 0; }
.mat-card ul { padding: 0 26px 26px; margin: 0; list-style: none; }
.mat-card li { padding: 10px 0 10px 24px; position: relative; font-size: 14px; color: #3c3a36; border-bottom: 1px dashed var(--line); }
.mat-card li::before { content: ""; position: absolute; left: 2px; top: 21px; width: 8px; height: 8px; background: var(--champagne); transform: rotate(45deg); }
.mat-card li b { color: var(--wood-deep); }

@media (max-width: 860px) { .edge-data, .mat-grid { grid-template-columns: 1fr; } }