:root {
  --night: #16140f;
  --night-soft: #232219;
  --reed: #536548;
  --gold: #d8b56a;
  --cream: #f3efe3;
  --mist: #d9e2d6;
  --ink: #22251e;
  --muted: #6d7168;
  --line: rgba(34, 37, 30, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: auto; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 200; background: var(--cream); color: var(--ink); padding: 10px 16px; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; width: 100%; height: 86px; padding: 0 clamp(24px, 5vw, 76px); display: flex; align-items: center; justify-content: space-between; color: #fff; transition: background .35s ease, color .35s ease, height .35s ease; }
.site-header.scrolled { height: 70px; color: var(--ink); background: rgba(243, 239, 227, .94); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(34,37,30,.12); }
.brand { display: inline-flex; align-items: center; gap: 12px; position: relative; z-index: 102; }
.brand-mark { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.brand-name { font-size: 16px; font-weight: 600; letter-spacing: .03em; line-height: 1.2; }
.brand-name small { display: block; margin-top: 4px; font-size: 8px; font-weight: 400; letter-spacing: .18em; opacity: .68; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 2.7vw, 42px); font-size: 13px; letter-spacing: .08em; }
.site-nav a { position: relative; padding: 10px 0; }
.site-nav a::after { content: ""; position: absolute; left: 0; bottom: 3px; width: 0; height: 1px; background: currentColor; transition: width .25s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { width: 100%; }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 920px; height: 100vh; max-height: 1080px; color: #fff; background: var(--night); overflow: hidden; }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; transform: scale(1.03); animation: hero-settle 1.8s cubic-bezier(.16,1,.3,1) forwards; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(13,12,9,.88) 0%, rgba(13,12,9,.57) 42%, rgba(13,12,9,.06) 72%), linear-gradient(0deg, rgba(13,12,9,.62), transparent 40%); }
.hero-copy { position: absolute; left: clamp(24px, 8vw, 120px); top: 50%; width: min(650px, 74vw); transform: translateY(-44%); }
.eyebrow, .overline { margin: 0 0 24px; color: var(--gold); font-size: 11px; line-height: 1.5; letter-spacing: .23em; text-transform: uppercase; }
.hero h1 { margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-size: clamp(58px, 7vw, 112px); font-weight: 400; line-height: .98; letter-spacing: -.045em; }
.hero-lede { width: min(520px, 100%); margin: 34px 0 28px; color: rgba(255,255,255,.78); font-size: 16px; line-height: 1.9; }
.text-link { display: inline-flex; gap: 28px; align-items: center; padding: 11px 0; border-bottom: 1px solid currentColor; font-size: 13px; letter-spacing: .08em; }
.text-link span { font-size: 17px; transition: transform .2s ease; }
.text-link:hover span { transform: translate(4px, 4px); }
.text-link.light { color: #fff; }
.hero-record { position: absolute; right: clamp(24px, 5vw, 72px); bottom: 48px; width: 280px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.55); display: grid; grid-template-columns: 1fr auto; gap: 6px 20px; font-size: 11px; letter-spacing: .08em; }
.hero-record strong { grid-row: span 2; color: var(--gold); font: 400 38px/1 Georgia, serif; }
.hero-record span:last-child { color: rgba(255,255,255,.58); }

.section-pad { padding: clamp(100px, 11vw, 176px) clamp(24px, 8vw, 120px); }
.section-kicker { display: flex; gap: 18px; align-items: center; margin-bottom: 82px; color: var(--muted); font-size: 11px; letter-spacing: .16em; }
.section-kicker span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid currentColor; border-radius: 50%; font-size: 9px; }
.section-kicker p { margin: 0; }
.section-kicker.light { color: rgba(255,255,255,.62); }
.intro { background: var(--cream); }
.intro-heading { display: grid; grid-template-columns: 28% 1fr; align-items: start; margin-bottom: 100px; }
.intro-heading .overline { color: var(--reed); }
.intro h2, .process h2, .contact h2, .progress h2 { margin: 0; font-family: Georgia, "Noto Serif SC", serif; font-weight: 400; font-size: clamp(46px, 6vw, 88px); line-height: 1.08; letter-spacing: -.045em; }
h2 em { color: var(--reed); font-weight: 400; }
.dual-focus { display: grid; grid-template-columns: 42% 58%; align-items: stretch; border-top: 1px solid var(--line); }
.focus-copy, .focus-visual { min-height: 510px; }
.focus-copy { padding: 54px 58px 46px 0; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.focus-copy.second { padding: 54px 0 46px 58px; border-right: 0; border-left: 1px solid var(--line); }
.focus-visual { overflow: hidden; }
.focus-visual img { width: 100%; height: 100%; object-fit: cover; }
.focus-visual.second { grid-column: 1; grid-row: 2; }
.ordinal { color: var(--gold); font: italic 26px Georgia, serif; }
.focus-copy h3 { margin: auto 0 22px; font: 400 clamp(38px, 4vw, 62px)/1 Georgia, "Noto Serif SC", serif; }
.focus-copy p { max-width: 520px; margin: 0 0 44px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.fact-line { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; }
.fact-line b { font-weight: 500; }

.progress { color: #fff; background: var(--night); }
.progress-lead { display: grid; grid-template-columns: 28% 1fr; gap: 0 32px; align-items: start; }
.progress-lead .overline { color: var(--gold); }
.progress-lead h2 { grid-column: 2; }
.progress-lead > p:last-child { grid-column: 2; max-width: 660px; margin: 34px 0 0; color: rgba(255,255,255,.58); line-height: 1.9; }
.timeline { margin: 116px 0 76px; display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; }
.time-node { width: 220px; }
.time-node time { display: block; color: var(--gold); font: 400 30px Georgia, serif; }
.time-node strong { display: block; margin-top: 14px; font-size: 14px; font-weight: 500; }
.time-node span { display: block; margin-top: 7px; color: rgba(255,255,255,.46); font-size: 11px; }
.time-line { height: 1px; background: rgba(255,255,255,.42); position: relative; }
.time-line::before, .time-line::after { content: ""; position: absolute; top: -4px; width: 9px; height: 9px; border: 1px solid var(--gold); border-radius: 50%; background: var(--night); }
.time-line::before { left: 0; }.time-line::after { right: 0; }
.time-line i { display: block; width: 100%; height: 100%; background: var(--gold); transform-origin: left; }
.time-line.pending i { width: 42%; opacity: .45; }
.future { opacity: .72; }
.project-horizon { position: relative; margin: 0; height: clamp(390px, 49vw, 720px); overflow: hidden; }
.project-horizon img { width: 100%; height: 100%; object-fit: cover; }
.project-horizon::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,10,8,.74), transparent 48%); }
.project-horizon figcaption { position: absolute; z-index: 2; left: 38px; right: 38px; bottom: 34px; display: flex; justify-content: space-between; align-items: end; }
.project-horizon figcaption span { color: var(--gold); font-size: 10px; letter-spacing: .2em; }
.project-horizon figcaption p { margin: 0; font: 400 clamp(22px, 2vw, 34px) Georgia, "Noto Serif SC", serif; }

.process { background: #f7f3e8; }
.process-head { display: grid; grid-template-columns: 28% 1fr; gap: 0 32px; }
.process-head .overline { color: var(--reed); }
.process-head h2 { grid-column: 2; }
.process-head > p:last-child { grid-column: 2; max-width: 660px; margin: 34px 0 0; color: var(--muted); line-height: 1.9; }
.process-flow { margin-top: 118px; border-top: 1px solid var(--line); }
.process-step { display: grid; grid-template-columns: 58% 42%; min-height: 560px; border-bottom: 1px solid var(--line); }
.process-step.reverse { grid-template-columns: 42% 58%; }
.process-step figure { margin: 0; overflow: hidden; }
.process-step figure img { width: 100%; height: 100%; object-fit: cover; }
.process-step.reverse figure { grid-column: 2; }
.step-copy { padding: 54px; display: flex; flex-direction: column; justify-content: end; }
.process-step:not(.reverse) .step-copy { border-left: 1px solid var(--line); }
.process-step.reverse .step-copy { grid-column: 1; grid-row: 1; border-right: 1px solid var(--line); }
.step-copy span { margin-bottom: auto; color: var(--reed); font-size: 10px; letter-spacing: .18em; }
.step-copy h3 { margin: 0 0 22px; font: 400 clamp(35px, 3vw, 52px)/1.1 Georgia, "Noto Serif SC", serif; }
.step-copy p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }

.contact { display: grid; grid-template-columns: 52% 48%; gap: clamp(60px, 8vw, 130px); color: #fff; background: var(--reed); }
.contact .section-kicker { margin-bottom: 100px; }
.contact .overline { color: var(--gold); }
.contact h2 { font-size: clamp(48px, 5vw, 78px); }
.contact-list { margin: 68px 0 0; border-top: 1px solid rgba(255,255,255,.24); }
.contact-list div { padding: 18px 0; display: grid; grid-template-columns: 120px 1fr; border-bottom: 1px solid rgba(255,255,255,.24); }
.contact-list dt { color: rgba(255,255,255,.55); font-size: 12px; }
.contact-list dd { margin: 0; font-size: 14px; }
.contact-note { max-width: 520px; margin-top: 24px; color: rgba(255,255,255,.54); font-size: 11px; line-height: 1.8; }
.inquiry-form { align-self: end; padding-top: 108px; }
.inquiry-form label { display: block; margin-bottom: 30px; color: rgba(255,255,255,.62); font-size: 12px; }
.inquiry-form input, .inquiry-form textarea { width: 100%; color: #fff; background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.44); border-radius: 0; outline: 0; padding: 11px 0; resize: vertical; }
.inquiry-form textarea { min-height: 112px; }
.inquiry-form input:focus, .inquiry-form textarea:focus { border-color: var(--gold); }
.inquiry-form textarea::placeholder { color: rgba(255,255,255,.34); }
.inquiry-form button { width: 100%; margin-top: 12px; padding: 18px 22px; color: var(--ink); background: var(--cream); border: 0; display: flex; justify-content: space-between; cursor: pointer; transition: background .2s ease; }
.inquiry-form button:hover { background: var(--gold); }
.form-status { min-height: 24px; margin: 14px 0 0; color: #fff; font-size: 12px; line-height: 1.7; }

.site-footer { min-height: 260px; padding: 64px clamp(24px, 8vw, 120px) 38px; display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: start; color: rgba(255,255,255,.7); background: var(--night); }
.footer-brand { display: inline-flex; align-items: center; gap: 14px; color: #fff; font-size: 15px; }
.footer-meta { display: flex; gap: 36px; font-size: 11px; }
.footer-meta span:last-child { color: rgba(255,255,255,.42); }
.site-footer > p { grid-column: 1 / -1; align-self: end; margin: 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); font-size: 10px; letter-spacing: .08em; }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes hero-settle { to { transform: scale(1); } }

@media (max-width: 960px) {
  .site-header { height: 72px; padding: 0 24px; }
  .menu-toggle { position: relative; z-index: 102; width: 48px; height: 42px; padding: 7px 4px; display: flex; flex-direction: column; justify-content: center; gap: 5px; color: inherit; background: transparent; border: 0; cursor: pointer; }
  .menu-toggle span { display: block; width: 24px; height: 1px; margin-left: auto; background: currentColor; transition: transform .25s ease, opacity .2s ease; }
  .menu-toggle b { position: absolute; opacity: 0; pointer-events: none; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; padding: 120px 36px 50px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 6px; color: var(--ink); background: var(--cream); transform: translateX(100%); visibility: hidden; transition: transform .4s cubic-bezier(.16,1,.3,1), visibility .4s; }
  .site-nav.open { transform: translateX(0); visibility: visible; }
  .site-nav a { width: 100%; padding: 16px 0; border-bottom: 1px solid var(--line); font: 400 clamp(30px, 8vw, 50px) Georgia, "Noto Serif SC", serif; letter-spacing: -.03em; }
  .site-header.menu-active { color: var(--ink); }
  .intro-heading, .progress-lead, .process-head { grid-template-columns: 1fr; }
  .intro-heading h2, .progress-lead h2, .progress-lead > p:last-child, .process-head h2, .process-head > p:last-child { grid-column: 1; }
  .intro-heading .overline, .progress-lead .overline, .process-head .overline { margin-bottom: 24px; }
  .dual-focus { grid-template-columns: 1fr; }
  .focus-copy, .focus-copy.second { min-height: 430px; padding: 42px 0; border: 0; }
  .focus-visual { min-height: 500px; }
  .focus-visual.second { grid-column: 1; grid-row: auto; }
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .time-node { width: 100%; padding: 24px 0 24px 34px; border-left: 1px solid rgba(255,255,255,.38); }
  .time-line { width: 1px; height: 42px; margin-left: 0; background: rgba(255,255,255,.38); }
  .time-line::before, .time-line::after { left: -4px; right: auto; }
  .time-line::before { top: 0; }.time-line::after { top: auto; bottom: 0; }
  .time-line i { width: 100%; height: 100%; transform-origin: top; }
  .time-line.pending i { width: 100%; height: 42%; }
  .process-step, .process-step.reverse { grid-template-columns: 1fr; }
  .process-step figure, .process-step.reverse figure { grid-column: 1; grid-row: 1; min-height: 470px; }
  .step-copy, .process-step.reverse .step-copy { grid-column: 1; grid-row: 2; min-height: 380px; padding: 42px 0; border: 0; }
  .contact { grid-template-columns: 1fr; }
  .inquiry-form { padding-top: 0; }
}

@media (max-width: 600px) {
  .brand-mark { width: 34px; height: 34px; }
  .brand-name { max-width: 220px; font-size: 13px; }
  .brand-name small { font-size: 7px; }
  .hero { min-height: 760px; height: 100svh; }
  .hero > img { object-position: 66% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(13,12,9,.82), rgba(13,12,9,.3)), linear-gradient(0deg, rgba(13,12,9,.8), transparent 55%); }
  .hero-copy { left: 24px; right: 24px; top: 48%; width: auto; }
  .hero h1 { font-size: clamp(49px, 15vw, 66px); }
  .hero-lede { font-size: 14px; line-height: 1.8; }
  .hero-record { left: 24px; right: 24px; bottom: 24px; width: auto; }
  .section-pad { padding: 96px 24px; }
  .section-kicker { margin-bottom: 60px; }
  .intro-heading { margin-bottom: 64px; }
  .intro h2, .process h2, .contact h2, .progress h2 { font-size: 44px; }
  .focus-copy { min-height: 390px; }
  .focus-visual { min-height: 330px; }
  .timeline { margin: 70px 0 56px; }
  .project-horizon { height: 440px; }
  .project-horizon img { object-position: 53% center; }
  .project-horizon figcaption { left: 20px; right: 20px; bottom: 20px; display: block; }
  .project-horizon figcaption p { margin-top: 9px; font-size: 22px; }
  .process-flow { margin-top: 72px; }
  .process-step figure, .process-step.reverse figure { min-height: 300px; }
  .step-copy, .process-step.reverse .step-copy { min-height: 340px; }
  .contact { gap: 72px; }
  .contact .section-kicker { margin-bottom: 70px; }
  .contact-list div { grid-template-columns: 98px 1fr; }
  .site-footer { min-height: 330px; grid-template-columns: 1fr; gap: 32px; }
  .footer-meta { flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}