:root {
  --ink: #1d1b18;
  --muted: #6c6258;
  --paper: #fffdf8;
  --line: #e7dfd2;
  --gold: #b3862d;
  --jade: #2f7b66;
  --wine: #8e2e32;
  --stone: #f4f1ea;
  --soft: #faf7f0;
  --shadow: 0 18px 50px rgba(29, 27, 24, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.top-strip {
  background: var(--ink);
  color: #fff;
  font-size: 13px;
}

.top-strip__inner,
.site-header__inner,
.section,
.footer__inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.top-strip__inner {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 253, 248, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  min-height: 78px;
  gap: 28px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand__name {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand__sub {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  font-size: 15px;
}

.nav a {
  padding: 26px 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--gold);
  border-color: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button,
.menu-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.menu-button {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.button.gold {
  border-color: var(--gold);
  background: var(--gold);
}

.hero {
  min-height: 76vh;
  display: grid;
  align-items: end;
  background:
    linear-gradient(90deg, rgba(18, 16, 14, 0.74), rgba(18, 16, 14, 0.24)),
    url("https://placehold.co/1800x1050/2b2720/d9c48d?text=Crystal+Bracelet+Store");
  background-size: cover;
  background-position: center;
  color: #fff;
}

.hero__inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 90px 0 70px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  line-height: 1.24;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-top: 16px;
  font-size: clamp(38px, 7vw, 76px);
}

.hero p {
  max-width: 620px;
  margin: 22px 0 0;
  font-size: 18px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 54px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(0, 0, 0, 0.2);
}

.hero__fact {
  min-height: 92px;
  padding: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}

.hero__fact:last-child {
  border-right: 0;
}

.hero__fact strong {
  display: block;
  font-size: 20px;
}

.hero__fact span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.section {
  padding: 82px 0;
}

.section.compact {
  padding: 52px 0;
}

.section.band {
  width: 100%;
  max-width: none;
  background: var(--stone);
}

.section.band > .section__inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 34px;
}

.section__head h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.section__head p {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

.card__image {
  aspect-ratio: 4 / 3;
  background: var(--stone);
}

.card__body {
  padding: 22px;
}

.card h3 {
  font-size: 22px;
}

.card p,
.fact-list p {
  margin: 10px 0 0;
  color: var(--muted);
}

.product-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--stone);
}

.product-specs {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.product-specs div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.product-specs dt {
  color: var(--muted);
}

.product-specs dd {
  margin: 0;
  text-align: right;
  font-weight: 700;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  border: 1px solid var(--line);
  padding: 4px 10px;
  color: var(--muted);
  font-size: 13px;
  background: #fff;
}

.feature-split {
  display: grid;
  grid-template-columns: 0.94fr 1.06fr;
  gap: 42px;
  align-items: center;
}

.feature-media {
  min-height: 520px;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.36)),
    url("https://placehold.co/1000x1250/eadfc9/2c2a25?text=In-store+Selection");
  background-size: cover;
  background-position: center;
}

.fact-list {
  display: grid;
  gap: 18px;
}

.fact-item {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.fact-item strong {
  display: block;
  font-size: 18px;
}

.quote-band {
  background: var(--ink);
  color: #fff;
}

.quote-band .section__inner {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.quote-band h2 {
  font-size: clamp(30px, 5vw, 56px);
}

.quote-band p {
  color: rgba(255, 255, 255, 0.76);
}

.timeline {
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.timeline__item {
  position: relative;
  padding: 20px 20px 20px 58px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.timeline__item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 20px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  background: var(--gold);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
}

.page-hero {
  background: var(--stone);
  padding: 74px 0 46px;
  border-bottom: 1px solid var(--line);
}

.page-hero__inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.page-hero h1 {
  color: var(--ink);
  font-size: clamp(34px, 5vw, 58px);
}

.page-hero p {
  max-width: 720px;
  color: var(--muted);
  font-size: 17px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  width: 230px;
  color: var(--muted);
  font-weight: 600;
  background: var(--soft);
}

.notice {
  border-left: 4px solid var(--gold);
  background: #fff;
  padding: 18px 20px;
  color: var(--muted);
}

.footer {
  background: #151412;
  color: rgba(255, 255, 255, 0.82);
  padding: 54px 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: 28px;
}

.footer h2,
.footer h3 {
  color: #fff;
  font-size: 18px;
}

.footer a {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  margin-top: 36px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.56);
}

.search-panel {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  background: rgba(21, 20, 18, 0.72);
  padding: 80px 20px;
}

.search-panel.is-open {
  display: block;
}

.search-panel__box {
  width: min(720px, 100%);
  margin: 0 auto;
  background: #fff;
  border-radius: 6px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.search-panel input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  padding: 0 14px;
  font-size: 16px;
}

.search-result {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.search-result span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.route-map {
  border: 1px solid var(--line);
  background: #fff;
  padding: 28px;
}

.route-map__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.route-map__head h2 {
  margin-top: 8px;
  font-size: clamp(24px, 4vw, 38px);
}

.route-map__badge {
  flex: 0 0 auto;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 700;
}

.route-line {
  position: relative;
  display: grid;
  gap: 0;
  padding: 24px 0 4px;
}

.route-line::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 28px;
  bottom: 28px;
  width: 2px;
  background: var(--gold);
}

.route-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  align-items: start;
  min-height: 72px;
}

.route-step__number {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 2px solid var(--gold);
  background: var(--paper);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
}

.route-step strong {
  display: block;
  font-size: 18px;
}

.route-step p {
  margin: 3px 0 20px;
  color: var(--muted);
}

.media-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.media-shot img,
.media-shot video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--stone);
}

.media-shot figcaption {
  padding: 16px 18px 18px;
}

.media-shot strong {
  display: block;
  font-size: 18px;
}

.media-shot p {
  margin: 6px 0 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
  }

  .menu-button {
    display: inline-grid;
  }

  .nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 115px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 14px 20px;
    border-bottom: 1px solid var(--line);
  }

  .hero__facts,
  .grid.cols-3,
  .grid.cols-4,
  .feature-split,
  .quote-band .section__inner,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .grid.cols-2 {
    grid-template-columns: 1fr;
  }

  .hero__fact {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }

  .section__head {
    display: block;
  }

  .route-map__head {
    display: block;
  }

  .route-map__badge {
    display: inline-block;
    margin-top: 18px;
  }
}

@media (max-width: 560px) {
  .top-strip__inner,
  .site-header__inner,
  .section,
  .section.band > .section__inner,
  .footer__inner,
  .hero__inner,
  .page-hero__inner {
    width: min(100% - 28px, 1180px);
  }

  .top-strip__inner {
    display: block;
    padding: 8px 0;
  }

  .brand__name {
    font-size: 18px;
  }

  .hero {
    min-height: 82vh;
  }

  .section {
    padding: 58px 0;
  }

  .footer__bottom {
    display: block;
  }
}