/* Brand blue + cool neutrals. 16/24px surfaces, 8/12px controls.
   Layers: sticky header 10, floating tools 20, native dialog top layer.
   Design: variance 6, motion 3, density 4. Native HTML/CSS, no UI framework. */
:root {
  color-scheme: light dark;
  --accent: #2459e0;
  --accent-hover: #1746c2;
  --text: #17243c;
  --muted: #657085;
  --surface: #fff;
  --soft: #f6f8fc;
  --hero: #f0f5ff;
  --blue-soft: #e9efff;
  --line: #e5eaf3;
  --card: #fff;
  --shadow: 0 16px 40px rgb(40 71 135 / 8%);
  --radius: 16px;
  --container: 1200px;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui,
    sans-serif;
  font-synthesis: none;
}

/* Shared catalogue prices; product data lives in products.js. */
.card-price {
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: var(--accent);
  margin: 0 0 18px;
}
.card-price > span {
  font-size: 14px;
  font-weight: 600;
}
.card-price > strong {
  font-size: 28px;
  line-height: 1.3;
  letter-spacing: -0.8px;
}
.card-price > small {
  font-size: 11px;
  color: var(--muted);
  margin-left: 2px;
}
.product-info h3 > a:hover {
  color: var(--accent);
}
@media (min-width: 1280px) {
  .product-grid.catalog-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
  }
  .catalog-grid .product-image {
    height: 225px;
    padding: 24px 19px;
  }
  .catalog-grid .product-info {
    padding: 20px 15px 16px;
  }
  .catalog-grid .product-info h3 {
    font-size: 16px;
  }
  .catalog-grid .product-description {
    font-size: 11px;
    margin-bottom: 15px;
  }
  .catalog-grid .product-order {
    font-size: 10px;
    padding-inline: 9px;
    gap: 4px;
  }
  .catalog-grid .detail-link {
    font-size: 10px;
  }
}
@media (min-width: 1024px) and (max-width: 1279px) {
  .product-grid.catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (max-width: 767px) {
  .card-price {
    margin-bottom: 14px;
  }
  .card-price > strong {
    font-size: 25px;
  }
  .card-price > span {
    font-size: 12px;
  }
  .card-price > small {
    font-size: 10px;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
body {
  margin: 0;
  color: var(--text);
  background: var(--surface);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body:has(dialog[open]) {
  overflow: hidden;
}
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button {
  border: 0;
  background: none;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
button img,
a img {
  flex-shrink: 0;
}
button:disabled {
  cursor: default;
}
a,
button,
summary {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
::selection {
  color: #fff;
  background: var(--accent);
}
[hidden] {
  display: none !important;
}
.container {
  width: min(var(--container), calc(100% - 80px));
  margin-inline: auto;
}
.icon {
  width: 20px;
  height: 20px;
}
.icon-white {
  filter: brightness(0) invert(1);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 30;
  top: 12px;
  left: 12px;
  padding: 10px 20px;
  background: var(--surface);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: translateY(0);
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.brand > img {
  border-radius: 12px;
}
.brand > span {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.2;
}
.brand small {
  display: block;
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1.65px;
  margin-top: 6px;
}
.main-nav {
  display: flex;
  align-self: stretch;
  align-items: stretch;
  gap: 30px;
}
.main-nav > a {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
  white-space: nowrap;
}
.main-nav > a:hover,
.main-nav > a.active {
  color: var(--accent);
}
.main-nav > a.active:after {
  content: "";
  position: absolute;
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
  bottom: 15px;
  left: calc(50% - 10px);
}
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--accent);
}
.icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}
.icon-button:hover {
  background: var(--blue-soft);
}
.menu-toggle {
  display: none;
}
.hero {
  overflow: hidden;
  background: var(--hero);
  position: relative;
}
.hero-inner {
  min-height: 592px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 24px;
}
.hero-copy {
  position: relative;
  padding: 56px 0 64px;
  z-index: 1;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
.hero h1 {
  font-size: clamp(44px, 4.4vw, 64px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin: 0 0 24px;
}
.hero h1 span,
.section-heading h2 span,
.about-copy h2 span,
.contact-copy h2 span {
  color: var(--accent);
}
.hero-description {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.95;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 23px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 8px;
  white-space: nowrap;
  transition:
    background 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
}
.button:hover {
  transform: translateY(-2px);
}
.button:active {
  transform: translateY(0);
}
.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgb(36 89 224 / 14%);
}
.button-primary:hover {
  background: var(--accent-hover);
}
.button-outline {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}
.button-outline:hover {
  border-color: var(--accent);
}
.hero-art {
  position: relative;
  height: 540px;
  isolation: isolate;
}
.hero-disc {
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: #dce7ff;
  top: 58px;
  left: 55px;
  z-index: -2;
}
.hero-orbit {
  position: absolute;
  width: 500px;
  height: 500px;
  border: 1px solid #cad8f6;
  border-radius: 50%;
  top: 28px;
  left: 25px;
  z-index: -1;
}
.hero-art-word {
  position: absolute;
  right: -20px;
  top: 34px;
  color: #c4d3f4;
  font-size: 57px;
  font-weight: 850;
  letter-spacing: -2.5px;
  line-height: 1.03;
  z-index: -1;
}
.hero-device {
  position: absolute;
  height: 460px;
  width: 380px;
  object-fit: contain;
  top: 30px;
  left: 60px;
  transform: rotate(-10deg);
  filter: drop-shadow(12px 24px 17px rgb(46 66 111 / 15%));
}
.hero-mascot {
  position: absolute;
  width: 96px;
  height: 96px;
  object-fit: cover;
  top: 137px;
  right: -5px;
  transform: rotate(9deg);
  border: 6px solid #fff;
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-art-note {
  position: absolute;
  bottom: 28px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 17px 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.note-icon {
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  height: 45px;
  width: 45px;
  border-radius: 12px;
}
.hero-art-note strong {
  font-size: 14px;
  font-weight: 700;
}
.hero-art-note small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 3px;
}
.service-strip {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-block: 30px;
}
.service-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border-right: 1px solid var(--line);
}
.service-item:first-child {
  justify-content: flex-start;
}
.service-item:last-child {
  border: 0;
  justify-content: flex-end;
}
.service-item h2 {
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 4px;
  font-weight: 700;
}
.service-item p {
  font-size: 11px;
  color: var(--muted);
  margin: 0;
}
.section {
  padding: 88px 0;
}
.section-heading {
  margin-bottom: 34px;
}
.section-heading h2 {
  margin: 0 0 12px;
  font-size: 34px;
  font-weight: 750;
  letter-spacing: -0.9px;
  line-height: 1.4;
}
.section-heading p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 0;
}
.product-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 25px;
}
.product-filters {
  display: flex;
  gap: 8px;
}
.filter {
  padding: 9px 18px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--muted);
  border-radius: 8px;
  transition:
    background 0.2s,
    color 0.2s;
}
.filter span {
  font-size: 11px;
  margin-left: 6px;
}
.filter:hover {
  background: var(--soft);
  color: var(--accent);
}
.filter.active {
  color: #fff;
  background: var(--accent);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 0;
}
.text-link:hover {
  color: var(--accent-hover);
}
.text-link img {
  transition: transform 0.2s;
}
.text-link:hover img {
  transform: translate(2px, -2px);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.product-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  transition:
    box-shadow 0.2s,
    border-color 0.2s,
    transform 0.2s;
}
.product-card:hover {
  box-shadow: var(--shadow);
  border-color: #c5d2ee;
  transform: translateY(-4px);
}
.product-image {
  width: 100%;
  height: 265px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 26px;
  overflow: hidden;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s;
}
.product-image:hover img {
  transform: scale(1.045);
}
.product-orange {
  background: #fbf4ed;
}
.product-sand {
  background: #f7f5f0;
}
.product-lavender {
  background: #f3f2fa;
}
.product-silver {
  background: #f0f5f7;
}
.product-info {
  padding: 23px 20px 20px;
}
.product-category {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.7px;
  margin: 0 0 8px;
}
.product-info h3 {
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.5px;
  margin: 0 0 10px;
  white-space: nowrap;
}
.product-description {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 23px;
}
.product-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.detail-link {
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 8px 0;
  color: var(--muted);
}
.detail-link:hover {
  color: var(--accent);
}
.product-order {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 12px;
  min-height: 40px;
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  font-size: 11px;
  white-space: nowrap;
}
.product-order:hover {
  background: var(--accent-hover);
}
.product-disclaimer {
  font-size: 11px;
  color: var(--muted);
  margin: 22px 0 0;
  text-align: center;
}
.process-section {
  background: var(--soft);
  border-block: 1px solid var(--line);
}
.steps {
  list-style: none;
  padding: 6px 0 0;
  margin: 40px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.steps li {
  position: relative;
  padding: 6px 28px 0;
  border-left: 1px solid var(--line);
}
.steps li:first-child {
  border: 0;
  padding-left: 0;
}
.step-number {
  position: absolute;
  right: 30px;
  top: -8px;
  font-size: 53px;
  color: var(--muted);
  line-height: 1;
  font-weight: 750;
  letter-spacing: -3px;
}
.step-icon {
  width: 56px;
  height: 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.steps h3 {
  font-size: 17px;
  margin: 0 0 10px;
}
.steps p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 0;
}
.process-footer {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.process-footer > span {
  font-size: 12px;
  color: var(--muted);
}
.about-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 100px;
}
.about-visual {
  height: 395px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 24px;
  background: var(--hero);
  isolation: isolate;
  overflow: hidden;
}
.about-logo-wrap {
  width: 250px;
  height: 250px;
  border: 9px solid #fff;
  border-radius: 48px;
  overflow: hidden;
  transform: rotate(-7deg);
  box-shadow: 0 15px 30px rgb(41 77 152 / 12%);
  margin-top: 32px;
}
.about-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-word {
  position: absolute;
  top: 22px;
  left: 28px;
  color: #c4d3f4;
  font-size: 49px;
  font-weight: 850;
  letter-spacing: -2px;
  line-height: 1.03;
  z-index: -1;
}
.about-copy .eyebrow {
  margin-bottom: 14px;
  font-size: 12px;
}
.about-copy h2 {
  font-size: 32px;
  line-height: 1.5;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}
.about-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.95;
  margin-bottom: 16px;
}
.about-copy .text-link {
  margin-top: 10px;
}
.faq-section {
  padding-top: 16px;
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 85px;
}
.faq-intro h2 {
  font-size: 30px;
  line-height: 1.55;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.faq-intro p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 22px;
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 0 2px;
}
.faq-list summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  padding: 22px 0;
  font-size: 15px;
  font-weight: 600;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary img {
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-list details[open] summary img {
  transform: rotate(180deg);
}
.faq-list details p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.95;
  margin: 0;
  padding: 0 35px 22px 0;
}
.contact-section {
  padding: 0 0 72px;
}
.contact-panel {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 50px;
  border: 1px solid #dce5fd;
  background: var(--hero);
  border-radius: 24px;
  padding: 58px 70px;
}
.contact-copy h2 {
  font-size: 36px;
  line-height: 1.45;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.contact-copy > p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 27px;
}
.contact-methods {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}
.contact-methods a {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-methods a > img:last-child {
  margin-left: 12px;
}
.contact-methods small {
  font-size: 11px;
  color: var(--muted);
  display: block;
  margin-bottom: 1px;
}
.contact-methods strong {
  font-size: 20px;
  font-weight: 650;
  letter-spacing: 0.3px;
  overflow-wrap: anywhere;
}
.contact-methods a:last-child strong {
  font-size: 17px;
}
.contact-methods a:hover strong {
  color: var(--accent);
}
.contact-qr {
  text-align: center;
  justify-self: center;
}
.qr-paper {
  background: #fff;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid #e5eaf3;
  display: inline-block;
  line-height: 0;
}
.qr-paper img {
  background: #fff;
  image-rendering: auto;
  object-fit: contain;
}
.contact-qr > strong {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 14px;
  margin: 14px 0 5px;
}
.contact-qr > p {
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 8px;
}
.qr-download {
  font-size: 11px;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.site-footer {
  background: var(--soft);
  border-top: 1px solid var(--line);
}
.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 36px;
  padding-block: 38px;
}
.footer-main .brand > span {
  font-size: 21px;
}
.footer-main > div > p {
  font-size: 11px;
  color: var(--muted);
  margin: 12px 0 0;
}
.footer-main nav {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}
.footer-main nav a {
  font-size: 12px;
  color: var(--muted);
}
.footer-main nav a:hover {
  color: var(--accent);
}
.footer-phone {
  text-align: right;
  white-space: nowrap;
}
.footer-phone span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
}
.footer-phone strong {
  font-size: 23px;
  letter-spacing: 0.3px;
  color: var(--accent);
}
.footer-bottom {
  padding-block: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 10px;
}
.floating-tools {
  position: fixed;
  right: 18px;
  bottom: 36px;
  z-index: 20;
  display: grid;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.floating-tools > a,
.floating-tools > button {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 66px;
  min-height: 68px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 9px;
  color: var(--muted);
}
.floating-tools > a:last-child {
  border: 0;
  min-height: 40px;
}
.floating-tools > a:hover,
.floating-tools > button:hover {
  background: var(--blue-soft);
}
dialog {
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 30px 100px rgb(15 32 66 / 25%);
  max-height: calc(100dvh - 40px);
  overscroll-behavior: contain;
}
dialog::backdrop {
  background: rgb(15 29 56 / 55%);
  backdrop-filter: blur(5px);
}
.dialog-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
}
.order-dialog {
  width: min(440px, calc(100% - 32px));
  padding: 32px;
  text-align: center;
}
.dialog-logo {
  border-radius: 14px;
  margin: 0 auto 16px;
}
.order-dialog h2 {
  font-size: 21px;
  margin: 0 0 8px;
  letter-spacing: -0.5px;
}
.order-product {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 18px;
}
.dialog-qr {
  margin: 0 auto 12px;
  padding: 10px;
}
.dialog-qr > img {
  width: 228px;
  height: 228px;
  max-width: 100%;
}
.alipay-prompt {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  margin: 8px 0 10px;
}
.dialog-description {
  font-size: 12px;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: 22px;
}
.order-dialog .button {
  width: 100%;
  min-height: 46px;
  font-size: 13px;
}
.mobile-tip {
  font-size: 10px;
  color: var(--muted);
  margin: 14px 0 0;
  line-height: 1.8;
}
.detail-dialog {
  width: min(820px, calc(100% - 32px));
}
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.detail-image {
  background: var(--soft);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px;
  min-height: 470px;
}
.detail-image > img {
  max-height: 360px;
  width: 100%;
  object-fit: contain;
}
.detail-copy {
  padding: 64px 32px 36px;
}
.detail-copy .eyebrow {
  font-size: 11px;
  margin-bottom: 12px;
}
.detail-copy h2 {
  font-size: 25px;
  line-height: 1.4;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.detail-copy > p {
  font-size: 13px;
  color: var(--muted);
}
.detail-notes {
  padding: 20px 0;
  margin: 24px 0;
  border-block: 1px solid var(--line);
}
.detail-notes h3 {
  font-size: 14px;
  margin-bottom: 10px;
}
.detail-notes p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 10px;
}
.detail-notes p:last-child {
  margin-bottom: 0;
}
.detail-copy .button {
  font-size: 12px;
  width: 100%;
  padding-inline: 12px;
  min-height: 46px;
}
.detail-contact {
  display: block;
  color: var(--muted);
  font-size: 11px;
  margin-top: 18px;
  text-align: center;
}
.noscript-note {
  padding: 16px;
  color: var(--accent);
  background: var(--blue-soft);
  font-size: 14px;
  text-align: center;
}
@media (min-width: 1536px) {
  .hero-art-word {
    right: -35px;
  }
  .floating-tools {
    right: 28px;
  }
}
@media (max-width: 1279px) {
  .container {
    width: calc(100% - 80px);
    max-width: 1100px;
  }
  .main-nav {
    gap: 22px;
  }
  .header-phone {
    font-size: 14px;
  }
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    min-height: 560px;
  }
  .hero h1 {
    font-size: 52px;
  }
  .hero-art {
    height: 500px;
  }
  .hero-device {
    left: 35px;
    height: 425px;
    width: 330px;
  }
  .hero-disc {
    width: 380px;
    height: 380px;
    left: 30px;
    top: 55px;
  }
  .hero-orbit {
    width: 435px;
    height: 435px;
    left: 2px;
    top: 28px;
  }
  .hero-mascot {
    width: 85px;
    height: 85px;
    right: 8px;
  }
  .hero-art-word {
    font-size: 50px;
    right: 0;
  }
  .hero-art-note {
    right: 0;
    bottom: 23px;
    padding: 14px 16px;
  }
  .product-grid {
    gap: 16px;
  }
  .product-image {
    height: 230px;
    padding: 23px;
  }
  .product-info {
    padding: 20px 16px 16px;
  }
  .product-info h3 {
    font-size: 16px;
  }
  .product-order {
    padding: 9px 10px;
    gap: 4px;
  }
  .service-item {
    gap: 12px;
  }
  .service-item h2 {
    font-size: 14px;
  }
  .service-item p {
    font-size: 10px;
  }
  .about-layout {
    gap: 65px;
  }
  .floating-tools {
    right: 8px;
  }
  .floating-tools > a,
  .floating-tools > button {
    width: 56px;
    min-height: 60px;
  }
  .contact-panel {
    padding: 50px;
  }
  .footer-main nav {
    gap: 18px;
  }
}
@media (max-width: 1023px) {
  .container {
    width: calc(100% - 56px);
  }
  .header-inner {
    height: 74px;
    gap: 20px;
  }
  .brand > span {
    font-size: 21px;
  }
  .brand > img {
    width: 42px;
    height: 42px;
  }
  .main-nav {
    gap: 22px;
  }
  .main-nav > a {
    font-size: 12px;
  }
  .header-phone {
    display: none;
  }
  .hero-inner {
    min-height: 530px;
    gap: 0;
    grid-template-columns: 1.05fr 0.95fr;
  }
  .hero h1 {
    font-size: 46px;
  }
  .hero-description {
    font-size: 14px;
  }
  .hero-actions {
    gap: 10px;
  }
  .hero-actions .button {
    padding: 0 15px;
    font-size: 12px;
    min-height: 47px;
  }
  .hero-art {
    height: 460px;
  }
  .hero-device {
    width: 295px;
    height: 390px;
    left: 0;
    top: 24px;
  }
  .hero-disc {
    width: 330px;
    height: 330px;
    left: 0;
    top: 55px;
  }
  .hero-orbit {
    width: 380px;
    height: 380px;
    left: -25px;
    top: 30px;
  }
  .hero-mascot {
    width: 72px;
    height: 72px;
    right: 0;
    top: 115px;
    border-radius: 20px;
    border-width: 5px;
  }
  .hero-art-word {
    font-size: 42px;
    right: -10px;
    top: 15px;
  }
  .hero-art-note {
    bottom: 10px;
    padding: 12px;
    gap: 8px;
  }
  .hero-art-note strong {
    font-size: 12px;
  }
  .hero-art-note small {
    font-size: 10px;
  }
  .note-icon {
    width: 36px;
    height: 36px;
  }
  .service-grid {
    gap: 22px;
    padding-block: 25px;
  }
  .service-item {
    justify-content: flex-start !important;
    border: 0;
    gap: 9px;
  }
  .service-item > img {
    width: 24px;
    height: 24px;
  }
  .service-item h2 {
    font-size: 12px;
  }
  .service-item p {
    font-size: 9px;
  }
  .section {
    padding: 64px 0;
  }
  .section-heading h2 {
    font-size: 30px;
  }
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  .product-image {
    height: 270px;
    padding: 30px;
  }
  .product-info {
    padding: 23px;
  }
  .product-info h3 {
    font-size: 20px;
  }
  .product-description {
    font-size: 13px;
  }
  .product-order {
    font-size: 12px;
    padding: 11px 16px;
  }
  .detail-link {
    font-size: 12px;
  }
  .steps li {
    padding-inline: 20px;
  }
  .steps h3 {
    font-size: 15px;
  }
  .steps p {
    font-size: 11px;
  }
  .step-number {
    font-size: 43px;
    right: 18px;
  }
  .about-layout {
    gap: 38px;
  }
  .about-visual {
    height: 355px;
  }
  .about-logo-wrap {
    width: 220px;
    height: 220px;
  }
  .about-copy h2 {
    font-size: 27px;
  }
  .about-copy > p:not(.eyebrow) {
    font-size: 12px;
  }
  .faq-section {
    padding-top: 4px;
  }
  .faq-layout {
    gap: 40px;
    grid-template-columns: 0.7fr 1.3fr;
  }
  .faq-intro h2 {
    font-size: 26px;
  }
  .contact-panel {
    padding: 38px;
    gap: 24px;
  }
  .contact-copy h2 {
    font-size: 32px;
  }
  .contact-methods strong {
    font-size: 19px;
  }
  .contact-methods a:last-child strong {
    font-size: 15px;
  }
  .contact-methods a > img:last-child {
    margin-left: 0;
  }
  .contact-qr .qr-paper img {
    width: 165px;
    height: 165px;
  }
  .footer-main {
    gap: 24px;
  }
  .footer-main nav {
    max-width: 260px;
    gap: 12px 24px;
  }
  .footer-phone strong {
    font-size: 20px;
  }
  .floating-tools {
    right: 7px;
    bottom: 24px;
  }
  .floating-tools > a,
  .floating-tools > button {
    width: 46px;
    min-height: 54px;
    font-size: 8px;
    gap: 3px;
  }
  .floating-tools img {
    width: 19px;
    height: 19px;
  }
  .floating-tools > a:last-child {
    min-height: 35px;
  }
}
@media (max-width: 767px) {
  html {
    scroll-padding-top: 86px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .header-inner {
    height: 70px;
  }
  .brand {
    gap: 9px;
  }
  .brand > img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }
  .brand > span {
    font-size: 21px;
  }
  .brand small {
    font-size: 8px;
    margin-top: 4px;
    letter-spacing: 1.3px;
  }
  .menu-toggle {
    display: grid;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 69px;
    left: 0;
    right: 0;
    padding: 10px 20px 18px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .main-nav.open {
    display: grid;
    gap: 0;
  }
  .main-nav > a {
    font-size: 14px;
    padding: 12px 10px;
    border-radius: 8px;
  }
  .main-nav > a.active {
    background: var(--blue-soft);
  }
  .main-nav > a.active:after {
    display: none;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 0;
    min-height: auto;
  }
  .hero-copy {
    padding: 45px 0 0;
  }
  .hero .eyebrow {
    font-size: 11px;
    letter-spacing: 1px;
    margin-bottom: 18px;
  }
  .hero h1 {
    font-size: clamp(39px, 9.8vw, 58px);
    line-height: 1.3;
    letter-spacing: -1px;
    margin-bottom: 20px;
  }
  .hero-description {
    font-size: 13px;
    line-height: 1.9;
    margin-bottom: 25px;
  }
  .hero-actions {
    gap: 10px;
  }
  .hero-actions .button {
    min-height: 48px;
    font-size: 12px;
    padding: 0 16px;
    gap: 7px;
  }
  .hero-art {
    width: min(420px, 100%);
    height: 370px;
    justify-self: center;
    margin-top: 22px;
  }
  .hero-device {
    height: 325px;
    width: 290px;
    left: 30px;
    top: 3px;
  }
  .hero-disc {
    width: 300px;
    height: 300px;
    top: 29px;
    left: calc(50% - 150px);
  }
  .hero-orbit {
    width: 340px;
    height: 340px;
    top: 9px;
    left: calc(50% - 170px);
  }
  .hero-art-word {
    font-size: 38px;
    top: 10px;
    right: 0;
  }
  .hero-mascot {
    width: 70px;
    height: 70px;
    top: 99px;
    right: 10px;
  }
  .hero-art-note {
    padding: 10px 13px;
    bottom: 14px;
    right: 7px;
    border-radius: 12px;
  }
  .hero-art-note strong {
    font-size: 11px;
  }
  .hero-art-note small {
    font-size: 9px;
  }
  .note-icon {
    width: 34px;
    height: 34px;
  }
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-block: 26px;
    gap: 24px 15px;
  }
  .service-item {
    gap: 10px;
  }
  .service-item > img {
    width: 26px;
    height: 26px;
  }
  .service-item h2 {
    font-size: 12px;
  }
  .service-item p {
    font-size: 9px;
  }
  .section {
    padding: 52px 0;
  }
  .section-heading {
    margin-bottom: 26px;
  }
  .section-heading h2 {
    font-size: 26px;
    letter-spacing: -0.5px;
    margin-bottom: 10px;
  }
  .section-heading p {
    font-size: 12px;
    line-height: 1.9;
  }
  .product-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 20px;
  }
  .filter {
    padding: 9px 15px;
    font-size: 12px;
  }
  .product-toolbar > .text-link {
    font-size: 11px;
    align-self: flex-end;
  }
  .product-grid {
    gap: 14px;
  }
  .product-image {
    height: 210px;
    padding: 20px 13px;
  }
  .product-info {
    padding: 17px 12px 13px;
  }
  .product-category {
    font-size: 9px;
    letter-spacing: 0;
    margin-bottom: 7px;
  }
  .product-info h3 {
    font-size: clamp(11px, 3.5vw, 17px);
    letter-spacing: -0.6px;
    margin-bottom: 8px;
  }
  .product-description {
    font-size: 10px;
    margin-bottom: 16px;
    min-height: 33px;
  }
  .product-bottom {
    gap: 4px;
    padding-top: 13px;
    flex-wrap: wrap;
  }
  .detail-link {
    font-size: 10px;
    gap: 1px;
    min-height: 40px;
  }
  .detail-link img {
    width: 13px;
    height: 13px;
  }
  .product-order {
    min-height: 38px;
    font-size: 10px;
    padding: 9px;
    gap: 3px;
  }
  .product-order img {
    width: 13px;
    height: 13px;
  }
  .product-disclaimer {
    font-size: 10px;
    line-height: 1.9;
    margin-top: 20px;
    text-align: left;
  }
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 24px;
    margin: 30px 0;
  }
  .steps li {
    padding: 0;
    border: 0;
  }
  .step-number {
    font-size: 45px;
    right: 4px;
    top: 0;
  }
  .step-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 18px;
    border-radius: 12px;
  }
  .steps h3 {
    font-size: 15px;
  }
  .steps p {
    font-size: 11px;
  }
  .process-footer {
    display: block;
    padding-top: 20px;
  }
  .process-footer > span {
    display: block;
    font-size: 11px;
    margin-bottom: 10px;
  }
  .process-footer .text-link {
    font-size: 11px;
  }
  .about-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .about-visual {
    height: 300px;
  }
  .about-logo-wrap {
    width: 215px;
    height: 215px;
    border-width: 7px;
    margin-top: 20px;
    border-radius: 42px;
  }
  .about-word {
    font-size: 43px;
    left: 22px;
    top: 20px;
  }
  .about-copy .eyebrow {
    font-size: 11px;
  }
  .about-copy h2 {
    font-size: 28px;
  }
  .about-copy > p:not(.eyebrow) {
    font-size: 13px;
  }
  .about-copy .text-link {
    font-size: 12px;
  }
  .faq-section {
    padding-top: 4px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .faq-intro h2 {
    font-size: 26px;
    line-height: 1.4;
    margin-bottom: 12px;
  }
  .faq-intro h2 br {
    display: none;
  }
  .faq-intro p {
    font-size: 12px;
    display: inline;
    margin-right: 14px;
  }
  .faq-intro p br {
    display: none;
  }
  .faq-intro .text-link {
    font-size: 12px;
  }
  .faq-list summary {
    font-size: 13px;
    padding-block: 19px;
    gap: 12px;
  }
  .faq-list details p {
    font-size: 12px;
    padding-right: 12px;
  }
  .contact-section {
    padding-bottom: 46px;
  }
  .contact-panel {
    padding: 30px 24px;
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-copy h2 {
    font-size: 30px;
  }
  .contact-copy > p {
    font-size: 12px;
    line-height: 1.9;
  }
  .contact-methods {
    gap: 18px;
  }
  .contact-methods a {
    gap: 12px;
  }
  .contact-methods strong {
    font-size: 21px;
  }
  .contact-methods a:last-child strong {
    font-size: 16px;
  }
  .contact-methods a > img:last-child {
    width: 17px;
    height: 17px;
    margin-left: 3px;
  }
  .contact-qr {
    border-top: 1px solid var(--line);
    padding-top: 28px;
    width: 100%;
  }
  .contact-qr .qr-paper img {
    width: 192px;
    height: 192px;
  }
  .contact-qr > p {
    font-size: 11px;
  }
  .footer-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px 16px;
    padding-block: 28px;
  }
  .footer-main nav {
    grid-column: 1/-1;
    grid-row: 2;
    max-width: none;
    justify-content: flex-start;
    gap: 16px 20px;
  }
  .footer-main nav a {
    font-size: 11px;
  }
  .footer-main .brand > span {
    font-size: 19px;
  }
  .footer-main .brand > img {
    width: 35px;
    height: 35px;
  }
  .footer-main .brand small {
    font-size: 7px;
    letter-spacing: 1px;
  }
  .footer-main > div > p {
    font-size: 10px;
    margin-top: 10px;
  }
  .footer-phone strong {
    font-size: 18px;
  }
  .footer-phone span {
    font-size: 10px;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 7px;
    font-size: 9px;
    padding-block: 18px;
  }
  .floating-tools {
    right: 8px;
    bottom: 16px;
    box-shadow: 0 4px 18px rgb(40 71 135 / 10%);
  }
  .floating-tools > a,
  .floating-tools > button {
    width: 42px;
    min-height: 46px;
  }
  .floating-tools > a:not(.back-top) {
    display: none;
  }
  .floating-tools span {
    display: none;
  }
  .floating-tools > a:last-child {
    min-height: 36px;
  }
  .order-dialog {
    padding: 26px 22px;
  }
  .order-dialog h2 {
    font-size: 20px;
  }
  .dialog-close {
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
  }
  .dialog-logo {
    width: 48px;
    height: 48px;
  }
  .dialog-qr > img {
    width: 212px;
    height: 212px;
  }
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .detail-image {
    min-height: 0;
    height: 250px;
    padding: 25px;
  }
  .detail-image > img {
    height: 200px;
    max-width: 260px;
  }
  .detail-copy {
    padding: 25px;
  }
  .detail-copy h2 {
    font-size: 24px;
  }
  .detail-notes {
    margin: 20px 0;
    padding-block: 16px;
  }
}
@media (max-width: 374px) {
  .container {
    width: calc(100% - 32px);
  }
  .hero-actions .button {
    padding-inline: 12px;
    font-size: 11px;
  }
  .hero-description {
    font-size: 12px;
  }
  .hero-device {
    left: 10px;
  }
  .product-image {
    height: 180px;
  }
  .product-info {
    padding-inline: 10px;
  }
  .product-info h3 {
    font-size: 11px;
  }
  .product-bottom {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }
  .detail-link {
    justify-content: center;
    min-height: 28px;
  }
  .product-order {
    width: 100%;
  }
  .contact-panel {
    padding: 25px 20px;
  }
  .contact-methods a:last-child strong {
    font-size: 14px;
  }
  .footer-phone strong {
    font-size: 16px;
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #91b3ff;
    --accent-hover: #b1c9ff;
    --text: #e6ecf7;
    --muted: #a3aec1;
    --surface: #121a2a;
    --soft: #172133;
    --hero: #1a2946;
    --blue-soft: #253959;
    --line: #2b3a53;
    --card: #182235;
    --shadow: 0 16px 40px rgb(2 9 22 / 20%);
  }
  .button-primary,
  .product-order,
  .filter.active {
    color: #10254e;
    background: var(--accent);
  }
  .button-primary:hover,
  .product-order:hover {
    background: var(--accent-hover);
  }
  .button-primary .icon-white,
  .product-order .icon-white {
    filter: brightness(0.4);
  }
  .hero-disc {
    background: #263b60;
  }
  .hero-orbit {
    border-color: #3a4c71;
  }
  .hero-art-word,
  .about-word {
    color: #3b5279;
  }
  .hero-mascot,
  .about-logo-wrap {
    border-color: #d6e1f7;
  }
  .product-orange {
    background: #342d2c;
  }
  .product-sand {
    background: #302f2c;
  }
  .product-lavender {
    background: #2b2940;
  }
  .product-silver {
    background: #25343d;
  }
  .contact-panel {
    border-color: var(--line);
  }
  .hero-art-note,
  .note-icon,
  .step-icon {
    border-color: var(--line);
  }
  .service-item > img,
  .text-link img,
  .header-phone img,
  .contact-methods img,
  .step-icon img,
  .eyebrow img,
  .note-icon img,
  .alipay-prompt img,
  .contact-qr > strong img,
  .icon-button img,
  .floating-tools img,
  .faq-list summary img,
  .detail-link img {
    filter: brightness(0) saturate(100%) invert(72%) sepia(26%) saturate(1000%)
      hue-rotate(185deg);
  }
  .detail-image {
    background: #263248;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
  .button:hover,
  .product-card:hover,
  .product-image:hover img {
    transform: none;
  }
}