:root {
  color-scheme: dark;
  --ink: #080909;
  --ink-2: #101112;
  --panel: rgba(17, 18, 19, 0.76);
  --panel-strong: rgba(25, 24, 22, 0.9);
  --line: rgba(238, 203, 144, 0.22);
  --gold: #e9c178;
  --gold-2: #b7843d;
  --gold-3: #fff1c7;
  --teal: #67d4cc;
  --muted: rgba(255, 248, 231, 0.68);
  --soft: rgba(255, 248, 231, 0.9);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.54);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  position: relative;
  margin: 0;
  min-width: 320px;
  color: var(--soft);
  background: #070707 url("./public/assets/site-background.png") center top / cover fixed no-repeat;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.5) 46%, rgba(0, 0, 0, 0.66) 100%),
    rgba(0, 0, 0, 0.34);
}

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

img {
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

.site-shell {
  position: relative;
  z-index: 1;
  isolation: isolate;
}

.site-shell::before {
  content: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 28px);
  width: min(100%, 1480px);
  height: 92px;
  margin: 0 auto;
  padding: 0 clamp(18px, 3.5vw, 32px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 1 auto;
  min-width: 0;
  transform: translateY(8px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: clamp(30px, 3.1vw, 46px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 14px 32px rgba(0, 0, 0, 0.48);
}

.brand-mark span {
  color: var(--gold-3);
}

.nav-links {
  display: flex;
  align-items: center;
  flex: 0 1 auto;
  min-width: 0;
  gap: clamp(12px, 2vw, 34px);
  max-width: 100%;
  padding: clamp(10px, 1.2vw, 13px) clamp(14px, 1.8vw, 20px);
  border: 1px solid rgba(255, 232, 186, 0.12);
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-links a {
  color: rgba(255, 248, 231, 0.72);
  font-size: 14px;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--gold-3);
}

.nav-cta,
.config-panel button {
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.nav-cta,
.config-panel button {
  color: #1b1207;
  background: linear-gradient(135deg, #fff0c9 0%, #d8a75b 48%, #9d6c31 100%);
  box-shadow: 0 14px 36px rgba(213, 159, 79, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.nav-cta {
  flex: 0 0 auto;
  padding: 13px 20px;
  font-weight: 700;
}

.section-band {
  position: relative;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(540px, 1.14fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
  min-height: calc(100vh - 92px);
  width: min(calc(100% - 64px), 1480px);
  margin: 0 auto;
  padding: 38px 0 90px;
}

.hero-copy {
  position: relative;
  z-index: 3;
  padding-top: 0;
  transform: translateY(-14px);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.contact-section h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-weight: 900;
  letter-spacing: 0;
}

.hero h1 {
  max-width: none;
  margin-top: -16px;
  color: var(--gold-3);
  font-size: clamp(26px, 2.8vw, 40px);
  line-height: 1.08;
  white-space: nowrap;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.12), 0 26px 72px rgba(0, 0, 0, 0.45);
}

.hero h1 span,
.hero-lede span {
  display: inline;
}

.hero-lede {
  max-width: none;
  margin: 6px 0 0;
  color: #ffffff;
  font-size: clamp(13px, 1.35vw, 20px);
  line-height: 1.42;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  white-space: nowrap;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(108px, 1fr));
  gap: 0;
  max-width: 730px;
  margin: 38px 0 34px;
}

.promo-banner {
  display: inline-grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  max-width: min(100%, 720px);
  min-height: 58px;
  margin: 0 0 30px;
  padding: 10px 14px 10px 18px;
  border: 1px solid rgba(255, 229, 177, 0.42);
  border-radius: 8px;
  color: #fff7e4;
  background:
    linear-gradient(135deg, rgba(126, 24, 20, 0.82), rgba(35, 14, 9, 0.82) 48%, rgba(198, 135, 49, 0.64)),
    rgba(0, 0, 0, 0.3);
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.36), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.promo-banner span,
.promo-banner strong {
  min-width: 0;
}

.promo-kicker {
  padding: 7px 10px;
  border-radius: 6px;
  color: #3a160a;
  font-size: 13px;
  font-weight: 900;
  background: linear-gradient(135deg, #fff2c8, #e2b15e);
}

.promo-banner strong {
  color: #fff7e4;
  font-size: clamp(15px, 1.4vw, 20px);
  line-height: 1.25;
}

.promo-action {
  color: #ffe2a0;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.feature-grid article {
  min-width: 0;
  padding: 0 20px;
  text-align: center;
  border-right: 1px solid rgba(238, 203, 144, 0.2);
}

.feature-grid article:first-child {
  padding-left: 0;
}

.feature-grid article:last-child {
  padding-right: 0;
  border-right: 0;
}

.feature-grid img {
  width: 62px;
  height: 58px;
  object-fit: contain;
  margin-bottom: 6px;
  filter: drop-shadow(0 12px 28px rgba(232, 180, 90, 0.16));
}

.feature-grid h2 {
  margin: 0 0 6px;
  color: #fff8e9;
  font-size: clamp(15px, 1.2vw, 20px);
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.hero-product-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 28px;
  border: 1px solid rgba(235, 188, 111, 0.46);
  border-radius: 12px;
  color: #1b1207;
  font-weight: 900;
  background: linear-gradient(135deg, #fff0c9 0%, #d8a75b 48%, #9d6c31 100%);
  box-shadow: 0 18px 44px rgba(213, 159, 79, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.58);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.hero-product-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 52px rgba(213, 159, 79, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.hero-stage {
  position: relative;
  min-height: clamp(540px, 58vw, 780px);
  perspective: 1200px;
}

.hero-stage::before {
  content: none;
}

.store-sign {
  position: absolute;
  top: 3%;
  right: 8%;
  z-index: 1;
  padding: 22px 34px;
  color: rgba(232, 202, 147, 0.62);
  border: 1px solid rgba(232, 202, 147, 0.13);
  border-radius: 10px;
  background: rgba(11, 11, 10, 0.42);
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(24px, 2.1vw, 36px);
  font-weight: 900;
  line-height: 1.42;
  text-align: center;
  transform: rotateY(-7deg);
}

.wave {
  position: absolute;
  pointer-events: none;
  user-select: none;
}

.wave-top {
  left: -15%;
  bottom: 11%;
  width: 72%;
  max-width: 610px;
  opacity: 0.6;
  transform: rotate(-5deg);
  filter: blur(0.1px);
}

.laptop {
  position: absolute;
  z-index: 4;
  right: 3%;
  bottom: 16%;
  width: min(88%, 850px);
  height: auto;
  filter: drop-shadow(0 38px 54px rgba(0, 0, 0, 0.62));
  transform: rotateY(-7deg) rotateZ(0.5deg);
  transform-origin: center bottom;
}

.asset {
  position: absolute;
  z-index: 5;
  height: auto;
  pointer-events: none;
  user-select: none;
}

.scale {
  right: -1%;
  bottom: 4%;
  width: min(26vw, 245px);
  filter: drop-shadow(0 24px 30px rgba(0, 0, 0, 0.55));
}

.glass {
  right: 18%;
  bottom: 0;
  width: min(19vw, 192px);
  filter: drop-shadow(0 18px 26px rgba(0, 0, 0, 0.42));
}

.tray {
  right: 19%;
  bottom: 3%;
  width: min(37vw, 450px);
  filter: drop-shadow(0 24px 30px rgba(0, 0, 0, 0.58));
}

.bars {
  left: 2%;
  bottom: 4%;
  width: min(23vw, 270px);
  filter: drop-shadow(0 24px 24px rgba(0, 0, 0, 0.4));
}

.card {
  left: -3%;
  bottom: 4%;
  width: min(27vw, 300px);
  transform: translateX(-22%) rotate(-2deg);
  filter: drop-shadow(0 24px 28px rgba(0, 0, 0, 0.52));
}

.nuggets {
  left: 39%;
  bottom: 4%;
  width: min(12vw, 140px);
  filter: drop-shadow(0 16px 18px rgba(0, 0, 0, 0.42));
}

.product-section,
.case-section {
  width: min(calc(100% - 64px), 1240px);
  margin: 0 auto;
  padding: 86px 0;
  scroll-margin-top: 92px;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading.align-left {
  margin-left: 0;
  text-align: left;
}

.section-heading.compact {
  max-width: 780px;
  margin-bottom: 22px;
}

.section-heading h2,
.contact-section h2 {
  color: #fff7e4;
  font-size: clamp(34px, 3.8vw, 58px);
  line-height: 1.14;
}

.section-heading h3 {
  margin: 0;
  color: #fff7e4;
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: clamp(26px, 2.6vw, 38px);
  line-height: 1.18;
}

.section-heading p:last-child,
.contact-section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.contact-section h2 span {
  display: block;
}

.product-stack {
  display: grid;
  gap: 76px;
}

.product-block {
  min-width: 0;
}

.product-showcase {
  display: grid;
  gap: clamp(24px, 3vw, 36px);
}

.quote-board-preview {
  position: relative;
  width: min(100%, 1040px);
  margin: 0;
  justify-self: center;
}

.quote-board-preview::before {
  position: absolute;
  inset: -16px 8% auto;
  height: 70px;
  content: "";
  border-radius: 50%;
  background: rgba(233, 193, 120, 0.16);
  filter: blur(34px);
  pointer-events: none;
}

.quote-preview-shell {
  position: relative;
  overflow: hidden;
  padding: clamp(8px, 1.2vw, 12px);
  border: 1px solid rgba(238, 203, 144, 0.2);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 241, 199, 0.08), rgba(255, 255, 255, 0.018)),
    rgba(6, 6, 6, 0.76);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.52), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.quote-preview-shell::after {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: inherit;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.24), transparent 16%, transparent 84%, rgba(0, 0, 0, 0.24)),
    linear-gradient(180deg, rgba(255, 241, 199, 0.1), transparent 30%, rgba(0, 0, 0, 0.16));
  pointer-events: none;
}

.quote-preview-shell img {
  display: block;
  width: 100%;
  border-radius: 5px;
  opacity: 0.94;
  filter: saturate(0.9) contrast(0.96);
}

.quote-board-preview figcaption {
  margin-top: 14px;
  color: rgba(255, 248, 231, 0.6);
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

.product-detail {
  width: min(100%, 1040px);
  justify-self: center;
}

.contact-section {
  width: min(calc(100% - 64px), 1240px);
  margin: 0 auto;
  padding: 82px 0;
}

.store-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.65fr);
  gap: 36px;
  align-items: stretch;
}

.store-copy,
.config-panel,
.case-grid article,
.contact-qr {
  border: 1px solid rgba(238, 203, 144, 0.16);
  border-radius: 8px;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.store-copy {
  min-height: 390px;
  padding: clamp(28px, 4vw, 56px);
}

.store-copy p {
  margin: 0 0 28px;
  color: rgba(255, 248, 231, 0.8);
  font-size: 19px;
  line-height: 1.9;
}

.check-list {
  display: grid;
  gap: 15px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 29px;
  color: #fff6de;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 3px;
  width: 16px;
  height: 16px;
  content: "";
  border: 1px solid rgba(233, 193, 120, 0.75);
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold) 0 3px, transparent 4px);
}

.config-panel {
  display: grid;
  gap: 12px;
  padding: 24px;
  align-content: center;
}

.panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.18);
}

.panel-row span {
  flex: 0 0 auto;
  color: var(--muted);
}

.panel-row strong {
  min-width: 0;
  color: var(--gold-3);
  text-align: right;
}

.config-panel button {
  min-height: 52px;
  font-weight: 900;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-grid article {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  padding: 30px;
}

.case-grid article::after {
  position: absolute;
  right: -28px;
  bottom: -38px;
  width: 140px;
  height: 140px;
  content: "";
  border: 1px solid rgba(233, 193, 120, 0.22);
  transform: rotate(45deg);
}

.case-grid span {
  display: inline-flex;
  margin-bottom: 28px;
  padding-bottom: 8px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 800;
  border-bottom: 1px solid rgba(233, 193, 120, 0.4);
}

.case-grid h3 {
  margin: 0 0 16px;
  color: #fff7e4;
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.28;
}

.case-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 0.78fr);
  gap: 42px;
  align-items: center;
  padding-bottom: 110px;
}

.contact-phone-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.contact-phone-list a {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(238, 203, 144, 0.24);
  border-radius: 8px;
  color: var(--gold-3);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  background: rgba(0, 0, 0, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.contact-qr-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 20px);
  justify-self: end;
  width: min(100%, 520px);
}

.contact-qr {
  display: grid;
  gap: 12px;
  place-items: center;
  margin: 0;
  padding: clamp(14px, 2.4vw, 24px);
}

.contact-qr img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  image-rendering: crisp-edges;
}

.contact-qr figcaption {
  color: rgba(255, 248, 231, 0.72);
  font-size: 15px;
  line-height: 1.4;
  text-align: center;
}

@media (max-width: 1180px) {
  .topbar {
    gap: 12px;
  }

  .brand-mark {
    font-size: clamp(28px, 3vw, 40px);
  }

  .nav-links {
    gap: 16px;
  }

  .nav-links a {
    font-size: 13px;
  }

  .nav-cta {
    padding: 12px 16px;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 28px;
  }

  .hero-stage {
    min-height: 620px;
  }

  .hero-copy {
    max-width: 860px;
  }

  .feature-grid {
    max-width: 780px;
  }

  .quote-board-preview {
    max-width: 860px;
  }

  .store-sign {
    right: 4%;
  }

  .laptop {
    right: 9%;
    width: min(76%, 760px);
  }

  .card {
    left: 6%;
    transform: rotate(-2deg);
  }

  .bars {
    left: 20%;
  }
}

@media (max-width: 900px) {
  .hero,
  .product-section,
  .case-section,
  .contact-section {
    width: min(calc(100% - 36px), 760px);
  }

  .topbar {
    height: 78px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-bottom: 36px;
  }

  .hero-lede {
    font-size: clamp(13px, 2.8vw, 18px);
  }

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

  .feature-grid {
    gap: 18px;
    margin-top: 34px;
    margin-bottom: 24px;
  }

  .promo-banner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 9px;
    width: min(100%, 620px);
    min-height: 0;
    padding: 14px;
  }

  .promo-kicker {
    width: max-content;
  }

  .promo-action {
    white-space: normal;
  }

  .product-stack {
    gap: 52px;
  }

  .feature-grid article {
    padding: 18px;
    border: 1px solid rgba(238, 203, 144, 0.16);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.035);
  }

  .feature-grid article:first-child,
  .feature-grid article:last-child {
    padding: 18px;
  }

  .hero-stage {
    display: none;
  }

  .store-layout,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .contact-qr-list {
    justify-self: stretch;
    width: 100%;
  }

  .product-section,
  .case-section,
  .contact-section {
    padding: 58px 0;
  }
}

@media (max-width: 620px) {
  .hero,
  .product-section,
  .case-section,
  .contact-section {
    width: min(calc(100% - 32px), 420px);
  }

  .hero-copy,
  .section-heading,
  .store-copy,
  .contact-section > div {
    min-width: 0;
  }

  .brand-mark {
    font-size: 30px;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 13px;
    border-radius: 10px;
    font-size: 13px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(20px, 5.5vw, 25px);
    line-height: 1.16;
    white-space: normal;
  }

  .hero-lede,
  .section-heading h2,
  .contact-section h2 {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .hero-lede {
    white-space: normal;
  }

  .case-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 24px;
    margin-bottom: 20px;
  }

  .feature-grid article,
  .feature-grid article:first-child,
  .feature-grid article:last-child {
    padding: 14px 12px;
  }

  .feature-grid img {
    width: 46px;
    height: 42px;
  }

  .feature-grid h2 {
    font-size: 15px;
  }

  .feature-grid p {
    font-size: 12px;
    line-height: 1.45;
  }

  .product-stack {
    gap: 42px;
  }

  .hero-product-link {
    width: 100%;
    min-height: 50px;
  }

  .hero-stage {
    display: none;
  }

  .store-sign {
    top: 0;
    right: 6%;
    padding: 14px 18px;
    font-size: 18px;
  }

  .laptop {
    right: -11%;
    bottom: 19%;
    width: 108%;
  }

  .tray {
    right: 6%;
    bottom: 8%;
    width: 70%;
  }

  .scale {
    right: -5%;
    bottom: 4%;
    width: 34%;
  }

  .glass {
    right: 26%;
    bottom: 0;
    width: 29%;
  }

  .bars,
  .card,
  .nuggets {
    display: none;
  }

  .store-copy,
  .config-panel,
  .contact-qr,
  .case-grid article {
    padding: 22px;
  }

  .contact-qr {
    padding: 12px;
  }
}