:root {
  --ink: #1d251d;
  --ink-soft: #354035;
  --paper: #f6f1e7;
  --paper-deep: #ece3d2;
  --cream: #fffaf0;
  --gold: #c6a25b;
  --gold-light: #e6cb8d;
  --red: #8f382a;
  --line: #d8cebc;
  --muted: #6f756d;
  --white: #fff;
  --line-green: #06c755;
  --shadow: 0 24px 70px rgba(29, 37, 29, .12);
  --serif: "Noto Serif TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -100px; z-index: 999; padding: 10px 16px; background: var(--gold); color: var(--ink); font-weight: 800; }
.skip-link:focus { top: 12px; }
.section { padding: 110px 0; }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(246, 241, 231, .94);
  border-bottom: 1px solid rgba(29, 37, 29, .12);
  backdrop-filter: blur(14px);
}
.header-inner { height: 78px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-seal {
  width: 42px; height: 42px; display: grid; place-items: center;
  border: 1px solid var(--gold); border-radius: 50%; color: var(--gold);
  font-family: var(--serif); font-size: 21px; font-weight: 900;
  box-shadow: inset 0 0 0 4px rgba(198, 162, 91, .08);
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font-family: var(--serif); font-size: 22px; letter-spacing: .16em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 8px; letter-spacing: .22em; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.desktop-nav a { color: var(--ink-soft); font-size: 14px; font-weight: 700; }
.desktop-nav a:hover { color: var(--red); }
.header-line { display: inline-flex; align-items: center; gap: 7px; padding: 10px 15px; border-radius: 999px; background: var(--ink); color: var(--white); font-size: 13px; font-weight: 800; }
.header-line svg, .button-line svg, .mobile-line svg { width: 19px; fill: currentColor; }

.hero {
  position: relative; min-height: 720px; overflow: hidden; color: var(--white);
  background: radial-gradient(circle at 78% 35%, rgba(198, 162, 91, .18), transparent 25%), linear-gradient(120deg, #111711, #243024 68%, #1b241b);
}
.hero::before { content: ""; position: absolute; inset: 0; opacity: .13; background-image: repeating-linear-gradient(100deg, transparent 0 38px, rgba(255,255,255,.03) 39px 40px); }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: -110px; height: 180px; background: var(--paper); transform: skewY(-2deg); transform-origin: 0 0; }
.hero-grain { position: absolute; inset: 0; pointer-events: none; opacity: .13; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E"); }
.hero-grid { position: relative; z-index: 1; min-height: 650px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 70px; padding-top: 55px; padding-bottom: 80px; }
.eyebrow, .section-kicker { margin: 0 0 16px; color: var(--red); font-size: 13px; font-weight: 900; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow { color: var(--gold-light); display: flex; align-items: center; gap: 12px; }
.eyebrow span { width: 38px; height: 1px; background: currentColor; }
.hero h1 { max-width: 650px; margin: 0; font-family: var(--serif); font-size: clamp(54px, 6.6vw, 88px); line-height: 1.16; letter-spacing: -.04em; }
.hero h1 em { color: var(--gold-light); font-style: normal; }
.hero-lead { max-width: 680px; margin: 28px 0 0; color: rgba(255,255,255,.76); font-size: 20px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.button { min-height: 50px; display: inline-flex; justify-content: center; align-items: center; gap: 12px; border: 0; border-radius: 4px; padding: 12px 24px; cursor: pointer; font-weight: 800; letter-spacing: .02em; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-gold { background: var(--gold); color: var(--ink); box-shadow: 0 14px 30px rgba(198, 162, 91, .18); }
.button-gold:hover { background: var(--gold-light); }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { box-shadow: 0 12px 28px rgba(29,37,29,.18); }
.button-ghost { border: 1px solid var(--line); background: transparent; color: var(--ink); }
.button-line { background: var(--line-green); color: var(--white); }
.text-link { padding-bottom: 4px; border-bottom: 1px solid rgba(255,255,255,.5); color: var(--white); font-size: 14px; font-weight: 700; }
.hero-trust { display: flex; gap: 36px; margin: 46px 0 0; padding: 0; list-style: none; }
.hero-trust li { padding-right: 36px; border-right: 1px solid rgba(255,255,255,.18); }
.hero-trust li:last-child { border: 0; padding: 0; }
.hero-trust strong, .hero-trust span { display: block; }
.hero-trust strong { color: var(--gold-light); font-size: 18px; }
.hero-trust span { margin-top: 3px; color: rgba(255,255,255,.6); font-size: 12px; }

.hero-visual { position: relative; height: 510px; }
.hero-visual::before { content: ""; position: absolute; width: 430px; height: 430px; left: 50%; top: 40px; transform: translateX(-50%); border: 1px solid rgba(198,162,91,.28); border-radius: 50%; box-shadow: inset 0 0 80px rgba(198,162,91,.06); }
.hero-visual::after { content: ""; position: absolute; left: 15%; right: 0; bottom: 32px; height: 24px; background: rgba(0,0,0,.34); border-radius: 50%; filter: blur(17px); }
.bottle { position: absolute; bottom: 44px; border-radius: 20px 20px 30px 30px; background: linear-gradient(90deg, #192016 0%, #34482d 22%, #1c281b 62%, #0d120d 100%); box-shadow: inset 18px 0 30px rgba(255,255,255,.04), 20px 30px 55px rgba(0,0,0,.32); }
.bottle::before { content: ""; position: absolute; left: 50%; transform: translateX(-50%); top: -100px; width: 42%; height: 112px; border-radius: 8px 8px 20px 20px; background: inherit; }
.bottle-cap { position: absolute; left: 50%; transform: translateX(-50%); top: -120px; width: 46%; height: 31px; border-radius: 3px; background: linear-gradient(90deg, #8d6a2e, #e0c171, #7f5e25); }
.bottle-label { position: absolute; left: 10%; right: 10%; top: 36%; display: grid; place-items: center; min-height: 110px; border: 1px solid #95743b; background: #dfcfab; color: #2d2418; font-family: var(--serif); font-size: 28px; font-weight: 900; text-align: center; box-shadow: inset 0 0 0 5px #c9b37d; }
.bottle-label small { font-family: var(--sans); font-size: 9px; letter-spacing: .28em; }
.bottle-neck-label { position: absolute; z-index: 2; left: 50%; top: -64px; transform: translateX(-50%); color: #dbc37f; font-size: 8px; letter-spacing: .1em; }
.bottle-main { left: 43%; width: 190px; height: 350px; z-index: 2; }
.bottle-left { left: 20%; width: 146px; height: 275px; opacity: .72; filter: saturate(.7); }
.bottle-left::before { top: -75px; height: 88px; }
.bottle-left .bottle-cap { top: -91px; height: 25px; }
.bottle-left .bottle-label { min-height: 80px; font-size: 21px; }
.stamp { position: absolute; z-index: 4; top: 62px; right: 2px; width: 86px; height: 86px; display: grid; place-items: center; border: 2px solid rgba(198,162,91,.72); border-radius: 50%; color: var(--gold-light); font-family: var(--serif); font-size: 19px; line-height: 1.3; text-align: center; transform: rotate(8deg); }
.stamp::before { content: ""; position: absolute; inset: 6px; border: 1px solid currentColor; border-radius: 50%; opacity: .6; }
.hero-note { position: absolute; z-index: 4; left: 4px; bottom: 80px; padding: 13px 17px; border-left: 2px solid var(--gold); background: rgba(12,18,12,.75); backdrop-filter: blur(8px); }
.hero-note span, .hero-note strong { display: block; }
.hero-note span { color: var(--gold-light); font-size: 10px; letter-spacing: .16em; }
.hero-note strong { font-family: var(--serif); font-size: 16px; }

.proof-strip { position: relative; z-index: 3; margin-top: -8px; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--cream); border: 1px solid var(--line); box-shadow: var(--shadow); }
.proof-grid > div { display: flex; align-items: center; gap: 18px; padding: 26px 30px; border-right: 1px solid var(--line); }
.proof-grid > div:last-child { border: 0; }
.proof-number { color: var(--gold); font-family: var(--serif); font-size: 26px; font-weight: 900; }
.proof-grid p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }
.proof-grid strong { display: block; color: var(--ink); font-size: 16px; }

.section-heading { margin-bottom: 48px; }
.section-heading.centered { text-align: center; }
.section-heading h2, .process-copy h2, .faq-heading h2, .final-cta h2 { margin: 0; font-family: var(--serif); font-size: clamp(32px, 4vw, 48px); line-height: 1.35; letter-spacing: -.025em; }
.section-heading > p:last-child { max-width: 680px; margin: 13px auto 0; color: var(--muted); font-size: 16px; line-height: 1.85; }

.estimator-shell { overflow: hidden; border: 1px solid var(--line); background: var(--cream); box-shadow: var(--shadow); }
.estimator-progress { position: relative; padding: 26px 60px; border-bottom: 1px solid var(--line); background: #eee6d8; }
.estimator-progress ol { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; padding: 0; list-style: none; }
.estimator-progress li { display: flex; align-items: center; gap: 12px; color: #96978f; }
.estimator-progress li:nth-child(2) { justify-self: center; }
.estimator-progress li:nth-child(3) { justify-self: end; }
.estimator-progress li > span { width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid #bbb5a8; border-radius: 50%; background: #eee6d8; font-size: 13px; font-weight: 800; }
.estimator-progress li strong, .estimator-progress li small { display: block; }
.estimator-progress li strong { font-size: 13px; }
.estimator-progress li small { font-size: 10px; }
.estimator-progress li.is-active, .estimator-progress li.is-complete { color: var(--ink); }
.estimator-progress li.is-active > span { border-color: var(--ink); background: var(--ink); color: var(--white); }
.estimator-progress li.is-complete > span { border-color: var(--gold); background: var(--gold); color: var(--ink); }
.progress-track { position: absolute; z-index: 0; left: 77px; right: 77px; top: 43px; height: 1px; background: #cbc3b3; }
.progress-track span { display: block; width: 0; height: 100%; background: var(--gold); transition: width .35s; }

.step-panel { padding: 56px 70px 48px; }
.step-panel[hidden], .result-panel[hidden] { display: none; }
.step-head { margin-bottom: 34px; }
.step-count { color: var(--red); font-size: 10px; font-weight: 900; letter-spacing: .22em; }
.step-head h3 { margin: 7px 0 5px; font-family: var(--serif); font-size: 30px; }
.step-head p { margin: 0; color: var(--muted); font-size: 16px; }
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.category-option { position: relative; min-height: 145px; padding: 24px 15px 18px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); cursor: pointer; text-align: center; transition: border .2s, transform .2s, background .2s; }
.category-option:hover { border-color: var(--gold); transform: translateY(-2px); }
.category-option.is-selected { border-color: var(--ink); background: var(--ink); color: var(--white); }
.category-option input { position: absolute; opacity: 0; pointer-events: none; }
.category-option .category-icon { width: 42px; height: 48px; display: grid; place-items: end center; margin: 0 auto 9px; }
.category-option .category-icon::before { content: ""; width: 20px; height: 35px; border: 2px solid currentColor; border-radius: 3px 3px 6px 6px; box-shadow: 0 -8px 0 -4px currentColor; opacity: .68; }
.category-option strong { display: block; font-size: 15px; }
.category-option small { display: block; margin-top: 3px; color: var(--muted); font-size: 12px; }
.category-option.is-selected small { color: rgba(255,255,255,.55); }
.item-field { margin-top: 28px; }
.is-hidden { display: none !important; }
.field-group label { display: block; margin-bottom: 8px; font-size: 15px; font-weight: 800; }
.select-wrap { position: relative; }
.select-wrap::after { content: "⌄"; position: absolute; right: 16px; top: 50%; transform: translateY(-57%); pointer-events: none; color: var(--muted); }
select, input[type="number"] { width: 100%; height: 52px; border: 1px solid var(--line); border-radius: 3px; outline: none; background: var(--white); color: var(--ink); }
select { appearance: none; padding: 0 44px 0 15px; }
select:focus, input:focus, textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(198,162,91,.15); }
.field-hint { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 30px; }
.number-control { display: grid; grid-template-columns: 52px 1fr 52px; }
.number-control button { border: 1px solid var(--line); background: #f0eadf; color: var(--ink); cursor: pointer; font-size: 20px; }
.number-control button:first-child { border-radius: 3px 0 0 3px; }
.number-control button:last-child { border-radius: 0 3px 3px 0; }
.number-control input { border-radius: 0; border-inline: 0; text-align: center; -moz-appearance: textfield; }
.number-control input::-webkit-inner-spin-button { appearance: none; }
.condition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.condition-card { position: relative; display: flex; align-items: center; gap: 15px; min-height: 88px; padding: 18px; border: 1px solid var(--line); border-radius: 4px; background: var(--white); cursor: pointer; }
.condition-card:has(input:checked) { border-color: var(--ink); background: #f0eee3; }
.condition-card input { position: absolute; opacity: 0; }
.check-icon { flex: 0 0 27px; width: 27px; height: 27px; display: grid; place-items: center; border: 1px solid #aaa99f; border-radius: 50%; }
.condition-card input:checked + .check-icon { border-color: var(--ink); background: var(--ink); }
.condition-card input:checked + .check-icon::after { content: "✓"; color: var(--white); font-size: 13px; font-weight: 900; }
.condition-card strong, .condition-card small { display: block; }
.condition-card strong { font-size: 16px; }
.condition-card small { color: var(--muted); font-size: 12px; }
.preserve-note { display: flex; align-items: center; gap: 14px; margin-top: 20px; padding: 15px 18px; background: #f6eadc; color: #704a37; }
.preserve-note > span { flex: 0 0 28px; width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-family: var(--serif); font-weight: 900; }
.preserve-note p { margin: 0; font-size: 14px; }
.preserve-note strong { display: block; }
.step-actions { display: flex; justify-content: space-between; margin-top: 40px; }
.step-actions-end { justify-content: flex-end; }
.step-error { min-height: 22px; margin-top: 10px; color: #a52d24; font-size: 12px; font-weight: 700; }

.result-panel { padding: 56px 70px; }
.result-top { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.result-label { margin: 0 0 7px; color: var(--red); font-size: 11px; font-weight: 900; letter-spacing: .18em; }
.result-top h3 { margin: 0; font-family: var(--serif); font-size: clamp(32px, 4vw, 48px); }
.result-top p:last-child { margin: 8px 0 0; color: var(--muted); }
.result-grade { flex: 0 0 96px; height: 96px; display: grid; place-items: center; align-content: center; border: 2px solid var(--gold); border-radius: 50%; color: var(--red); transform: rotate(5deg); }
.result-grade span { font-size: 10px; font-weight: 900; letter-spacing: .12em; }
.result-grade strong { font-family: var(--serif); font-size: 35px; line-height: 1; }
.result-price { margin-top: 30px; padding: 24px 27px; background: var(--ink); color: var(--white); }
.result-price span, .result-price strong, .result-price small { display: block; }
.result-price span { color: var(--gold-light); font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.result-price strong { margin: 3px 0; font-family: var(--serif); font-size: 30px; }
.result-price small { color: rgba(255,255,255,.55); font-size: 10px; }
.result-reasons { margin-top: 28px; }
.result-reasons h4, .photo-guide h4 { margin: 0 0 12px; font-family: var(--serif); font-size: 20px; }
.result-reasons ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; margin: 0; padding: 0; list-style: none; }
.result-reasons li { position: relative; padding-left: 18px; color: var(--ink-soft); font-size: 14px; }
.result-reasons li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.photo-guide { margin-top: 38px; padding: 28px; border: 1px solid var(--line); background: #f2ecdf; }
.photo-guide-head .section-kicker { margin-bottom: 4px; }
.photo-guide ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0 0; padding: 0; list-style: none; }
.photo-guide li { position: relative; text-align: center; }
.photo-guide li > span { position: absolute; z-index: 2; top: 7px; left: 7px; color: var(--gold); font-size: 9px; font-weight: 900; }
.photo-guide li > strong { display: block; margin-top: 7px; font-size: 13px; }
.photo-placeholder { position: relative; height: 105px; overflow: hidden; border: 1px solid #d7cdbb; background: #e6dece; }
.photo-placeholder::before { content: ""; position: absolute; left: 50%; bottom: 10px; transform: translateX(-50%); width: 28px; height: 66px; border: 2px solid #918a7c; border-radius: 4px 4px 8px 8px; }
.photo-placeholder::after { content: ""; position: absolute; left: 50%; top: 14px; transform: translateX(-50%); width: 13px; height: 17px; border: 2px solid #918a7c; }
.bottle-top::before { width: 50px; height: 50px; bottom: 23px; border-radius: 50%; }
.bottle-top::after { display: none; }
.bottle-back::before { background: linear-gradient(to bottom, transparent 15px, #c1b69f 16px 40px, transparent 41px); }
.bottle-box::before { width: 52px; height: 69px; border-radius: 2px; }
.bottle-box::after { display: none; }
.line-message-box { overflow: hidden; margin-top: 24px; border: 1px solid var(--line); }
.message-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 15px; background: #eee6d8; font-size: 13px; font-weight: 800; }
.message-head button { border: 0; background: transparent; color: var(--red); cursor: pointer; font-weight: 900; }
#line-message { display: block; width: 100%; min-height: 180px; resize: vertical; padding: 16px; border: 0; outline: 0; background: var(--white); color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.result-actions { display: flex; gap: 12px; margin-top: 24px; }
.result-actions .button-line { flex: 1; }
.privacy-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; text-align: center; }

.market-section { background: #e9e0d0; }
.split-heading { display: grid; grid-template-columns: 1.35fr .65fr; align-items: end; gap: 60px; }
.split-heading > p { margin: 0 0 4px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.market-card { overflow: hidden; border: 1px solid #d2c6b3; background: var(--cream); transition: transform .2s, box-shadow .2s; }
.market-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(29,37,29,.1); }
.market-card-visual { position: relative; height: 145px; overflow: hidden; display: grid; place-items: center; background: radial-gradient(circle, #485344, #202920 68%); }
.market-card-visual::before { content: ""; position: absolute; width: 70px; height: 110px; bottom: -15px; border: 1px solid rgba(230,203,141,.8); border-radius: 8px 8px 15px 15px; box-shadow: inset 12px 0 20px rgba(255,255,255,.05); }
.market-card-visual::after { content: ""; position: absolute; width: 30px; height: 34px; bottom: 91px; border: 1px solid rgba(230,203,141,.8); border-bottom: 0; }
.market-card-visual span { position: relative; z-index: 2; top: 22px; width: 54px; padding: 3px; border: 1px solid #a98d55; background: #d7c49c; color: #403522; font-family: var(--serif); font-size: 12px; font-weight: 900; text-align: center; }
.market-card-body { padding: 20px; }
.market-card-category { color: var(--red); font-size: 9px; font-weight: 900; letter-spacing: .18em; }
.market-card h3 { margin: 5px 0 3px; font-family: var(--serif); font-size: 21px; }
.market-card p { min-height: 50px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.market-card-price { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 13px; border-top: 1px solid var(--line); }
.market-card-price strong { font-family: var(--serif); font-size: 17px; }
.market-card-price button { border: 0; background: transparent; color: var(--red); cursor: pointer; font-size: 10px; font-weight: 900; }
.market-disclaimer { margin: 22px 0 0; color: var(--muted); font-size: 12px; text-align: center; }

.process-section { background: var(--ink); color: var(--white); }
.process-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; }
.process-copy { position: sticky; top: 120px; align-self: start; }
.process-copy .section-kicker { color: var(--gold-light); }
.process-copy > p:not(.section-kicker) { margin: 20px 0 30px; color: rgba(255,255,255,.58); }
.process-copy .button-dark { border: 1px solid rgba(255,255,255,.25); }
.process-list { margin: 0; padding: 0; list-style: none; }
.process-list li { display: grid; grid-template-columns: 60px 1fr; gap: 20px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.process-list li:first-child { padding-top: 0; }
.process-list li > span { width: 49px; height: 49px; display: grid; place-items: center; border: 1px solid rgba(198,162,91,.6); border-radius: 50%; color: var(--gold-light); font-family: var(--serif); font-size: 18px; }
.process-list strong { font-family: var(--serif); font-size: 21px; }
.process-list p { margin: 5px 0 0; color: rgba(255,255,255,.62); font-size: 14px; line-height: 1.75; }

.faq-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.faq-heading { align-self: start; }
.faq-heading > p:last-child { color: var(--muted); font-size: 15px; line-height: 1.85; }
.accordion details { border-top: 1px solid var(--line); }
.accordion details:last-child { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 22px 40px 22px 0; cursor: pointer; font-family: var(--serif); font-size: 17px; font-weight: 700; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span, .accordion summary span::after { position: absolute; right: 3px; top: 50%; width: 15px; height: 1px; background: var(--ink); }
.accordion summary span::after { content: ""; right: 0; top: 0; transform: rotate(90deg); transition: transform .2s; }
.accordion details[open] summary span::after { transform: rotate(0); }
.accordion details p { margin: -6px 40px 22px 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.final-cta { padding: 70px 0; background: var(--red); color: var(--white); }
.final-cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.section-kicker.light { margin-bottom: 5px; color: #f0cf99; }
.final-cta h2 { font-size: 38px; }
.final-cta p:not(.section-kicker) { margin: 7px 0 0; color: rgba(255,255,255,.7); }
.site-footer { padding: 65px 0 25px; background: #111711; color: rgba(255,255,255,.7); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .7fr .9fr; gap: 70px; }
.brand-footer { color: var(--white); }
.footer-grid > div:first-child > p { max-width: 420px; }
.footer-grid strong { display: block; margin-bottom: 12px; color: var(--white); font-size: 13px; }
.footer-grid p, .footer-grid a { display: block; margin: 7px 0; font-size: 13px; }
.footer-grid a:hover { color: var(--gold-light); }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 45px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); font-size: 9px; }
.mobile-line { display: none; position: fixed; z-index: 90; right: 18px; bottom: 18px; align-items: center; gap: 8px; padding: 13px 18px; border-radius: 999px; background: var(--line-green); color: var(--white); box-shadow: 0 12px 30px rgba(0,0,0,.22); font-size: 13px; font-weight: 900; }
.toast { position: fixed; z-index: 200; left: 50%; bottom: 30px; transform: translate(-50%, 20px); padding: 10px 16px; border-radius: 4px; background: var(--ink); color: var(--white); box-shadow: var(--shadow); opacity: 0; pointer-events: none; font-size: 12px; transition: opacity .2s, transform .2s; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 960px) {
  .desktop-nav { display: none; }
  .header-line { margin-left: auto; }
  .hero-grid { grid-template-columns: 1fr 380px; gap: 10px; }
  .hero h1 { font-size: 62px; }
  .hero-visual { transform: scale(.88); transform-origin: center right; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-grid > div { padding: 22px 18px; }
  .process-grid, .faq-grid { gap: 50px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 68px; }
  .container { width: min(100% - 28px, 620px); }
  .section { padding: 76px 0; }
  .header-inner { height: 66px; }
  .brand-seal { width: 36px; height: 36px; font-size: 18px; }
  .brand-copy strong { font-size: 18px; }
  .brand-copy small { display: none; }
  .header-line { padding: 9px 12px; }
  .header-line svg { width: 17px; }
  .hero { min-height: auto; }
  .hero::after { bottom: -140px; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-top: 74px; padding-bottom: 115px; }
  .hero h1 { font-size: clamp(48px, 14vw, 68px); }
  .hero-lead { font-size: 17px; line-height: 1.8; }
  .hero-visual { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 15px; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { align-self: center; }
  .hero-trust { justify-content: space-between; gap: 12px; margin-top: 38px; }
  .hero-trust li { padding-right: 12px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .section-heading { margin-bottom: 32px; }
  .section-heading h2, .process-copy h2, .faq-heading h2 { font-size: 34px; }
  .estimator-progress { padding: 18px 16px; }
  .progress-track { left: 31px; right: 31px; top: 35px; }
  .estimator-progress li { display: block; text-align: center; }
  .estimator-progress li:nth-child(2), .estimator-progress li:nth-child(3) { justify-self: initial; }
  .estimator-progress li > span { margin: 0 auto; background: #eee6d8; }
  .estimator-progress li div { margin-top: 4px; }
  .estimator-progress li small { display: none; }
  .step-panel, .result-panel { padding: 38px 20px 30px; }
  .step-head h3 { font-size: 25px; }
  .category-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .category-option { min-height: 120px; padding: 18px 8px 13px; }
  .category-option .category-icon { height: 39px; }
  .category-option .category-icon::before { height: 29px; }
  .form-grid, .condition-grid, .result-reasons ul { grid-template-columns: 1fr; }
  .step-actions { gap: 9px; }
  .step-actions .button { flex: 1; padding-inline: 12px; }
  .result-top { align-items: flex-start; }
  .result-grade { flex-basis: 72px; height: 72px; }
  .result-grade strong { font-size: 26px; }
  .result-price strong { font-size: 23px; }
  .photo-guide { padding: 20px 14px; }
  .photo-guide ol { grid-template-columns: 1fr 1fr; }
  .result-actions { flex-direction: column; }
  .split-heading, .process-grid, .faq-grid, .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .market-grid { grid-template-columns: 1fr; }
  .market-card { display: grid; grid-template-columns: 125px 1fr; }
  .market-card-visual { height: 100%; min-height: 175px; }
  .market-card-body { padding: 17px; }
  .market-card-price { display: block; }
  .market-card-price button { margin-top: 8px; padding: 0; }
  .process-copy { position: static; }
  .final-cta-inner { align-items: stretch; flex-direction: column; }
  .final-cta h2 { font-size: 31px; }
  .footer-bottom { gap: 10px; flex-direction: column; }
  .mobile-line { display: flex; }
  .toast { bottom: 85px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}