/* 见您一面 · 饺子哥 — Production CSS (from design/mock)
   MUJI industrial · black / white / red seal only · 8px grid */

:root {
  --ink: #121212;
  --ink-soft: #2a2a2a;
  --muted: #6b6b6b;
  --line: #e6e1db;
  --paper: #f7f4f0;
  --card: #ffffff;
  --red: #c41e3a;
  --red-dark: #9b1830;
  --red-soft: #fde8ec;
  --seal: #c41e3a;
  --wood: #c4a882;
  --shadow: 0 12px 40px rgba(18, 18, 18, 0.08);
  --radius: 18px;
  --max: 1200px;
  --nav-h: 64px;
  --s1: 8px; --s2: 16px; --s3: 24px; --s4: 32px;
  --s5: 48px; --s6: 64px; --s7: 96px;
  --font: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Segoe UI",
    -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 960px) {
  body { font-size: 17px; }
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-decoration: none; }
a:hover { text-decoration: underline; }
strong, b { font-weight: 700; }

.hl { color: var(--red); font-weight: 700; }

.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.55em;
  height: 1.55em;
  padding: 0 0.2em;
  background: var(--seal);
  color: #fff;
  font-size: 0.72em;
  font-weight: 700;
  border-radius: 3px;
  letter-spacing: 0.04em;
  line-height: 1;
  vertical-align: middle;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

@media (min-width: 1440px) {
  .wrap { width: min(100% - 5rem, var(--max)); }
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ——— Nav ——— */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(247, 244, 240, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-brand img {
  width: 40px; height: 40px; border-radius: 50%;
  object-fit: cover; background: #fff; border: 1px solid var(--line);
}
.nav-brand span { font-size: 0.95rem; }
.nav-brand small {
  display: block; font-size: 0.68rem; font-weight: 500;
  color: var(--muted); letter-spacing: 0.04em;
}
.nav-links {
  display: none; gap: 0.15rem; list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  display: block; padding: 0.45rem 0.7rem; color: var(--ink-soft);
  font-size: 0.82rem; font-weight: 600; border-radius: 999px;
  text-decoration: none; white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--red-soft); color: var(--red); text-decoration: none;
}
.nav-cta {
  display: inline-flex; align-items: center;
  background: var(--ink); color: #fff !important;
  font-size: 0.8rem; font-weight: 700;
  padding: 0.55rem 1rem; border-radius: 999px;
  text-decoration: none !important; white-space: nowrap;
}
.nav-cta:hover { background: var(--red); }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--ink); position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.nav.open .nav-links {
  display: flex; flex-direction: column;
  position: absolute; top: var(--nav-h); left: 0; right: 0;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 0.75rem 1rem 1rem; box-shadow: var(--shadow); gap: 0.25rem;
}

@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .nav-links { display: flex; flex: 1; justify-content: center; }
}

/* ——— Sections ——— */
section {
  padding: var(--s6) 0;
  background: var(--card);
}
section.alt { background: var(--paper); }
@media (min-width: 960px) {
  section { padding: var(--s7) 0; }
}

.sec-head { max-width: 720px; margin-bottom: var(--s5); }
.sec-head .num {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--red); margin-bottom: var(--s1);
}
.sec-head h2 {
  margin: 0 0 var(--s2); font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800; line-height: 1.25; letter-spacing: 0.02em;
}
.sec-head p {
  margin: 0; color: var(--muted); font-size: 1.05rem; max-width: 58ch;
}

/* ——— Hero ——— */
.hero {
  padding-top: var(--s5);
  padding-bottom: var(--s6);
  background:
    linear-gradient(180deg, #fff 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  gap: var(--s5);
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--s6);
    padding-bottom: var(--s4);
  }
}
.eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--muted); text-transform: uppercase; margin: 0 0 var(--s2);
}
.hero h1 {
  margin: 0 0 var(--s2);
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 800; line-height: 1.1; letter-spacing: 0.02em;
}
.tagline {
  margin: 0 0 var(--s1);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
}
.philosophy {
  margin: 0 0 var(--s4);
  font-size: 1.1rem; color: var(--ink-soft);
}

.ask-row {
  display: grid;
  gap: var(--s2);
  margin-bottom: var(--s4);
}
@media (min-width: 640px) {
  .ask-row { grid-template-columns: 1fr 1fr; }
}
.ask-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s3);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}
.ask-card:hover {
  border-color: var(--red);
  text-decoration: none;
  transform: translateY(-2px);
}
.ask-card.alt {
  border-top: 3px solid var(--red);
}
.ask-card .plan {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--red); margin-bottom: 0.35rem;
}
.ask-card .amount {
  font-size: clamp(1.75rem, 4vw, 2.15rem);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: var(--s2);
}
.ask-card ul {
  margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.92rem;
}
.ask-card li { margin-bottom: 0.25rem; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  list-style: none; margin: 0; padding: 0;
}
.hero-meta li {
  font-size: 0.78rem; font-weight: 600; color: var(--ink-soft);
  background: #fff; border: 1px solid var(--line);
  padding: 0.4rem 0.75rem; border-radius: 999px;
}

.hero-visual {
  position: relative;
  display: grid;
  gap: var(--s2);
  justify-items: center;
}
.float-seal {
  position: absolute;
  top: -8px; right: 8%;
  width: 56px; height: 56px;
  background: var(--seal); color: #fff;
  display: grid; place-items: center;
  font-weight: 800; font-size: 1.4rem;
  border-radius: 4px;
  transform: rotate(6deg);
  box-shadow: var(--shadow);
  z-index: 2;
}
.portrait {
  margin: 0;
  width: min(100%, 380px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.sign {
  margin: 0;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.sign img { width: 100%; object-fit: cover; max-height: 160px; }

/* ——— Cards ——— */
.cards { display: grid; gap: var(--s3); }
.cards.cols-2 { grid-template-columns: 1fr; }
.cards.cols-3 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .cards.cols-2 { grid-template-columns: 1fr 1fr; }
  .cards.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s3);
}
.card .tag, .tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--muted); margin-bottom: var(--s1);
}
.card h3 {
  margin: 0 0 var(--s2); font-size: 1.2rem; font-weight: 700; line-height: 1.3;
}
.card ul { margin: 0; padding-left: 1.15rem; color: var(--ink-soft); }
.card p { margin: 0; color: var(--muted); }

.brand-split {
  display: grid;
  gap: var(--s4);
  align-items: start;
}
@media (min-width: 960px) {
  .brand-split { grid-template-columns: 1.2fr 0.8fr; }
}
.brand-sign-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #111;
}
.brand-sign-card img { width: 100%; object-fit: cover; }

/* ——— Concept ——— */
.concept-frame {
  margin: 0 0 var(--s4);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: #fff;
  outline: 1px solid rgba(196, 168, 130, 0.35);
  outline-offset: 6px;
}
.concept-frame img { width: 100%; }

.pill-row {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  list-style: none; margin: 0; padding: 0;
}
.pill-row li {
  font-size: 0.85rem; font-weight: 600;
  background: var(--paper); border: 1px solid var(--line);
  padding: 0.55rem 0.9rem; border-radius: 999px;
}

/* ——— Products ——— */
.product-grid {
  display: grid;
  gap: var(--s3);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .product-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1000px) {
  .product-grid { grid-template-columns: 1fr 1fr 1fr; }
}
.product-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 16px rgba(18,18,18,0.04);
}
.product-card .thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #eee;
}
.product-card .thumb img {
  width: 100%; height: 100%; object-fit: cover;
}
.product-card .body { padding: var(--s3); flex: 1; display: flex; flex-direction: column; }
.product-card h3 { margin: 0 0 0.35rem; font-size: 1.15rem; }
.product-card p { margin: 0 0 auto; color: var(--muted); font-size: 0.95rem; }
.product-card .price {
  margin-top: var(--s2);
  font-weight: 800; color: var(--red); font-size: 0.95rem;
}

.note-bar {
  margin-top: var(--s4);
  padding: var(--s3);
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: 0 12px 12px 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ——— Tracks ——— */
.track-grid {
  display: grid;
  gap: var(--s3);
  margin-bottom: var(--s5);
}
@media (min-width: 800px) {
  .track-grid { grid-template-columns: 1fr 1fr; }
}
.track {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s4);
}
.track.flagship {
  border-left: 4px solid var(--ink);
}
.track h3 { margin: 0.25rem 0 var(--s2); font-size: 1.35rem; }
.track ul { margin: 0; padding-left: 1.15rem; color: var(--ink-soft); }

/* ——— Capital ——— */
.plan-compare {
  display: grid;
  gap: var(--s3);
}
@media (min-width: 800px) {
  .plan-compare { grid-template-columns: 1fr 1fr; }
}
.plan-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s4);
  box-shadow: var(--shadow);
}
.plan-box.featured {
  border-left: 4px solid var(--red);
  background: #fff;
}
.plan-box .label {
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.14em;
  color: var(--red);
}
.plan-box .amt {
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 800; letter-spacing: -0.02em;
  margin: 0.35rem 0 var(--s3);
}
.plan-box ul {
  margin: 0; padding-left: 1.15rem; color: var(--ink-soft);
}

/* ——— Stats ——— */
.stat-grid {
  display: grid;
  gap: var(--s3);
  grid-template-columns: 1fr 1fr;
  margin-bottom: var(--s4);
}
@media (min-width: 900px) {
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s3);
  text-align: center;
}
.stat b {
  display: block;
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.stat span { font-size: 0.85rem; color: var(--muted); }

.badge-plan {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--red);
  background: var(--red-soft);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  margin-bottom: var(--s3);
}

.disclaimer {
  padding: var(--s3);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ——— Chips ——— */
.chips {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  list-style: none; margin: 0; padding: 0;
}
.chips li {
  display: flex; flex-direction: column; gap: 0.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1.1rem;
  min-width: min(100%, 220px);
  flex: 1 1 220px;
  transition: background 0.15s, border-color 0.15s;
}
.chips li:hover {
  background: var(--red-soft);
  border-color: #f0c4cc;
}
.chips strong { font-size: 1rem; color: var(--ink); }
.chips li:hover strong { color: var(--red); }
.chips span { font-size: 0.88rem; color: var(--muted); }

/* ——— CTA ——— */
.cta {
  background: var(--ink);
  color: #fff;
  border-radius: 24px;
  padding: var(--s5) var(--s3);
  box-shadow: var(--shadow);
}
@media (min-width: 800px) {
  .cta { padding: var(--s6) var(--s5); }
}
.cta h2 {
  margin: 0 0 var(--s3);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
}
.cta .lead {
  margin: 0 0 var(--s4);
  color: rgba(255,255,255,0.78);
  font-size: 1.05rem;
  max-width: 62ch;
}
.cta .lead strong { color: #fff; }
.cta .hl { color: #ff8a9a; }

.steps {
  display: grid;
  gap: var(--s2);
  list-style: none;
  margin: 0 0 var(--s5);
  padding: 0;
  counter-reset: step;
}
@media (min-width: 800px) {
  .steps { grid-template-columns: repeat(4, 1fr); gap: var(--s3); }
}
.steps li {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: var(--s3);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  counter-increment: step;
  position: relative;
}
.steps li::before {
  content: counter(step);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #ff8a9a;
}
.steps strong { font-size: 1.1rem; }
.steps span { font-size: 0.88rem; color: rgba(255,255,255,0.65); }

.cta-actions {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0.85rem 1.5rem;
  border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  text-decoration: none !important;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--red); color: #fff !important;
}
.btn-primary:hover { background: var(--red-dark); }
.btn-ghost {
  background: transparent; color: #fff !important;
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.06); }

@media (max-width: 520px) {
  .cta-actions .btn { width: 100%; }
}

/* ——— Footer ——— */
.footer {
  padding: var(--s5) 0;
  border-top: 1px solid var(--line);
  background: var(--paper);
  font-size: 0.9rem;
  color: var(--muted);
}
.footer-inner {
  display: grid;
  gap: var(--s3);
}
@media (min-width: 720px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    justify-content: space-between;
  }
  .footer-inner > div:last-child { text-align: right; }
}
.footer strong { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ask-card { transition: none; }
}