:root {
  --black:   #FDF8EE;
  --black-2: #FBF3E2;
  --black-3: #F7EDD8;
  --ink:     #3A2A14;
  --ink-2:   #6B5433;
  --ink-3:   #8F7A55;
  --gold:    #B8860B;
  --gold-2:  #D9A22B;
  --gold-dk: #8A6508;
  --flesh:   #E8A33D;
  --line:    #E8D9B8;
  --line-2:  #F0E4CA;
  --white:   #ffffff;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans:  "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --wrap: 1160px;
  --ease: cubic-bezier(.22,.75,.24,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-sans); color: var(--ink); background: var(--black); line-height: 1.8; font-size: 16px; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* NAV */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; padding: 16px 0; transition: background .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease); border-bottom: 1px solid transparent; }
.nav.scrolled { background: rgba(253,248,238,.92); backdrop-filter: blur(16px); padding: 10px 0; border-bottom-color: var(--line-2); }
.nav-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-mark { font-family: var(--font-serif); font-size: 22px; font-weight: 900; letter-spacing: .12em; color: var(--gold-2); }
.brand-sub { font-size: 11px; letter-spacing: .2em; color: var(--ink-3); }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-size: 14.5px; color: var(--ink-2); position: relative; padding: 4px 0; letter-spacing: .05em; transition: color .3s var(--ease); }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -2px; height: 1px; width: 0; background: var(--gold); transition: width .35s var(--ease); }
.nav-links a:hover { color: var(--gold-2); }
.nav-links a:hover::after { width: 100%; }
.nav-call { display: inline-flex; align-items: center; gap: 7px; padding: 9px 20px; border: 1px solid var(--gold-dk); border-radius: 2px; color: var(--gold-2); font-size: 13.5px; letter-spacing: .1em; transition: background .3s var(--ease), color .3s var(--ease); }
.nav-call svg { width: 15px; height: 15px; }
.nav-call:hover { background: var(--gold); color: #1a1405; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; width: 30px; height: 22px; position: relative; }
.nav-toggle span { position: absolute; left: 0; right: 0; height: 1.5px; background: var(--white); transition: .3s var(--ease); }
.nav.scrolled .nav-toggle span { background: var(--ink); }
.nav-toggle span:nth-child(1) { top: 2px; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 18px; }
.nav-toggle.open span:nth-child(1) { top: 10px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 10px; transform: rotate(-45deg); }

/* HERO */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; animation: heroZoom 18s var(--ease) forwards; }
@keyframes heroZoom { from { transform: scale(1.1); } to { transform: scale(1); } }
.hero-veil { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(40,24,6,.86) 0%, rgba(56,36,10,.68) 45%, rgba(80,55,18,.2) 100%); }
.hero-content { position: relative; z-index: 2; max-width: var(--wrap); margin: 0 auto; padding: 130px 28px 70px; width: 100%; }
.hero-eyebrow { font-size: 12.5px; letter-spacing: .32em; color: var(--gold); margin: 0 0 22px; font-weight: 500; animation: fadeUp .9s var(--ease) both; }
.hero-title { font-family: var(--font-serif); font-weight: 900; font-size: clamp(2.8rem, 7vw, 5.4rem); line-height: 1.12; margin: 0 0 24px; letter-spacing: .02em; color: #fff; text-shadow: 0 3px 22px rgba(30,18,4,.7); animation: fadeUp 1s .1s var(--ease) both; }
.hero-title span { color: var(--gold-2); }
.hero-sub { max-width: 540px; font-size: 16px; color: rgba(255,250,240,.95); margin: 0 0 34px; line-height: 1.9; animation: fadeUp 1s .2s var(--ease) both; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; animation: fadeUp 1s .3s var(--ease) both; }
.hero-badges { list-style: none; display: flex; gap: 34px; margin: 52px 0 0; padding: 0; flex-wrap: wrap; animation: fadeUp 1s .42s var(--ease) both; }
.hero-badges li { font-size: 13.5px; color: rgba(255,248,235,.9); padding-left: 18px; position: relative; letter-spacing: .04em; }
.hero-badges li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 15px 34px; font-size: 14.5px; letter-spacing: .1em; border-radius: 2px; cursor: pointer; border: 1px solid transparent; transition: transform .25s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease); }
.btn svg { width: 17px; height: 17px; }
.btn-gold { background: linear-gradient(135deg, var(--gold-2), var(--gold)); color: #1a1405; font-weight: 500; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -14px rgba(201,162,39,.65); }
.btn-line { border-color: rgba(201,162,39,.5); color: var(--gold-2); }
.btn-line:hover { border-color: var(--gold-2); background: rgba(201,162,39,.08); transform: translateY(-2px); }
.btn-lg { padding: 17px 44px; font-size: 15.5px; }

/* SECTION */
.sec-head { margin-bottom: 54px; max-width: 700px; }
.sec-eyebrow { font-size: 11.5px; letter-spacing: .34em; color: var(--gold); margin: 0 0 15px; font-weight: 600; }
.sec-eyebrow.light { color: var(--gold-2); }
.sec-title { font-family: var(--font-serif); font-weight: 700; font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.3; margin: 0 0 16px; letter-spacing: .01em; }
.sec-title.light { color: var(--ink); }
.sec-lead { font-size: 15.5px; color: var(--ink-2); margin: 0; line-height: 1.9; }

/* ORIGIN */
.origin { padding: 120px 0; background: var(--black); }
.origin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.origin-media { border-radius: 3px; overflow: hidden; box-shadow: 0 40px 90px -40px rgba(0,0,0,.9); }
.origin-media img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.origin-points { list-style: none; margin: 30px 0 0; padding: 0; border-top: 1px solid var(--line); }
.origin-points li { padding: 15px 0 15px 22px; border-bottom: 1px solid var(--line-2); font-size: 14.5px; color: var(--ink-2); position: relative; }
.origin-points li::before { content: ""; position: absolute; left: 0; top: 24px; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.origin-points b { color: var(--ink); }

/* QUALITY */
.quality { padding: 120px 0; background: linear-gradient(180deg, var(--black-2), var(--black)); }
.quality-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.quality-media { border-radius: 3px; overflow: hidden; }
.quality-media img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.q-item { display: flex; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line-2); }
.q-item:last-child { border-bottom: 0; }
.q-num { font-family: var(--font-serif); font-size: 26px; font-weight: 900; color: var(--gold-dk); flex: 0 0 auto; line-height: 1.2; }
.q-item h4 { font-family: var(--font-serif); font-size: 18px; margin: 0 0 7px; color: var(--ink); }
.q-item p { margin: 0; font-size: 14px; color: var(--ink-3); line-height: 1.85; }

/* SPEC */
.spec { padding: 120px 0; background: var(--black); }
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.spec-card { background: var(--black-2); border: 1px solid var(--line-2); border-radius: 3px; overflow: hidden; transition: transform .35s var(--ease), border-color .35s var(--ease); }
.spec-card:hover { transform: translateY(-6px); border-color: var(--gold-dk); }
.spec-media { aspect-ratio: 4/3; overflow: hidden; }
.spec-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.spec-card:hover .spec-media img { transform: scale(1.05); }
.spec-body { padding: 26px 24px 30px; }
.spec-body h3 { font-family: var(--font-serif); font-size: 21px; margin: 0 0 10px; color: var(--gold-2); }
.spec-body p { margin: 0 0 14px; font-size: 14px; color: var(--ink-3); line-height: 1.8; }
.spec-price { font-size: 15px !important; color: var(--ink) !important; font-weight: 600; padding-top: 12px; border-top: 1px solid var(--line-2); margin: 0 !important; }
.spec-note { margin: 30px 0 0; font-size: 13px; color: var(--ink-3); text-align: center; }

/* FAQ */
.faq { padding: 120px 0; background: var(--black-2); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line-2); }
.faq-item summary { padding: 20px 40px 20px 0; font-size: 16px; font-weight: 500; cursor: pointer; position: relative; list-style: none; color: var(--ink); transition: color .25s var(--ease); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-size: 20px; color: var(--gold); font-weight: 300; transition: transform .3s var(--ease); }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item summary:hover { color: var(--gold-2); }
.faq-item p { margin: 0; padding: 0 40px 22px 0; font-size: 14.5px; color: var(--ink-2); line-height: 1.9; }

/* ORDER */
.order { padding: 130px 0; background: radial-gradient(ellipse at 50% 0%, rgba(217,162,43,.18), transparent 62%), #F4E7CC; text-align: center; }
.order-inner { max-width: 640px; }
.order-sub { color: var(--ink-2); font-size: 15.5px; margin: 0 0 30px; }
.order-phone { display: block; font-family: var(--font-serif); font-size: clamp(2.4rem, 6vw, 3.6rem); font-weight: 900; color: var(--gold-2); letter-spacing: .04em; margin-bottom: 32px; transition: color .3s var(--ease); }
.order-phone:hover { color: var(--white); }
.order-fine { margin: 24px 0 0; font-size: 12.5px; color: var(--ink-3); }

/* FOOTER */
.foot { background: #2E1F0B; padding: 48px 0 32px; border-top: 1px solid #3E2C12; }
.foot-inner { display: flex; flex-direction: column; gap: 16px; }
.foot b { font-family: var(--font-serif); font-size: 18px; color: #E8C87A; display: block; margin-bottom: 6px; }
.foot p { margin: 0; font-size: 13.5px; color: #C9B38A; }
.foot-copy { padding-top: 18px; border-top: 1px solid #3E2C12; font-size: 12.5px; color: #C9B38A; }

/* REVEAL */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .origin-grid, .quality-grid { grid-template-columns: 1fr; gap: 36px; }
  .spec-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .wrap, .nav-inner { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav.menu-open { background: rgba(12,10,7,.98); }
  .nav-links.open { display: flex; flex-direction: column; gap: 0; position: fixed; inset: 60px 0 auto 0; background: rgba(12,10,7,.98); backdrop-filter: blur(16px); padding: 10px 24px 20px; border-bottom: 1px solid var(--line); }
  .nav-links.open a { padding: 15px 0; border-bottom: 1px solid var(--line-2); font-size: 16px; }
  .origin, .quality, .spec, .faq, .order { padding: 80px 0; }
  .brand-sub { display: none; }
  .hero-content { padding: 110px 20px 60px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* MARKET */
.market { padding: 120px 0; background: var(--black-3); }
.market-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.market-media { border-radius: 3px; overflow: hidden; box-shadow: 0 34px 70px -34px rgba(58,42,20,.4); }
.market-media img { width: 100%; aspect-ratio: 5/4; object-fit: cover; }
@media (max-width: 900px) {
  .market-grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 720px) {
  .market { padding: 80px 0; }
}