:root {
  --ink: #121826;
  --muted: #637083;
  --line: #e3e8ef;
  --surface: #f7f9fc;
  --surface-strong: #eef7f3;
  --white: #ffffff;
  --primary: #0b7a5a;
  --primary-dark: #075f46;
  --accent: #e85d2a;
  --accent-soft: #fff3ed;
  --blue: #2667a8;
  --gold: #b7791f;
  --shadow: 0 12px 30px rgba(18, 24, 38, 0.1);
  --shadow-lift: 0 18px 42px rgba(18, 24, 38, 0.14);
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --soft-glow: 0 18px 50px rgba(8, 118, 92, 0.16);
  color-scheme: light;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 16px;
  font-synthesis: none;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(11, 122, 90, 0.08), transparent 26%),
    radial-gradient(circle at 86% 18%, rgba(232, 93, 42, 0.08), transparent 22%),
    var(--surface);
  line-height: 1.6;
}

button,
input,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: 0;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes backdrop-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes tap-ripple {
  from {
    opacity: 0.32;
    transform: translate(-50%, -50%) scale(0);
  }

  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes status-pop {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-dot {
  0%,
  100% {
    opacity: 0.34;
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    opacity: 0.82;
    transform: translate3d(14px, -18px, 0) scale(1.18);
  }
}

@keyframes soft-shine {
  from {
    transform: translateX(-130%) skewX(-18deg);
  }

  to {
    transform: translateX(150%) skewX(-18deg);
  }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px max(16px, calc((100% - 1160px) / 2));
  border-bottom: 1px solid rgba(227, 232, 239, 0.92);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.brand-mark {
  display: grid;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--blue));
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(8, 118, 92, 0.22);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  overflow: hidden;
  font-size: 17px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
}

.icon-button {
  position: relative;
  display: inline-grid;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  overflow: hidden;
  transition: background 160ms var(--ease-out), border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.icon-button:hover {
  border-color: var(--primary);
  background: var(--surface);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(23, 33, 30, 0.1);
}

.icon-button:active {
  transform: translateY(0) scale(0.97);
}

.icon-button img,
.button img,
.eyebrow img,
.mobile-actions img,
.phone-list img,
.safety-note > img {
  width: 19px;
  height: 19px;
}

.icon-button--accent {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.service-intro {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(239, 249, 244, 0.94) 62%, rgba(255, 243, 237, 0.86) 100%);
  isolation: isolate;
}

.service-intro::before {
  position: absolute;
  inset: -18% -10% auto 45%;
  z-index: -2;
  height: 360px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(11, 122, 90, 0.16), transparent 68%);
  content: "";
  filter: blur(8px);
}

.hero-ambient {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.hero-ambient span {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: rgba(11, 122, 90, 0.34);
  box-shadow: 0 0 24px rgba(11, 122, 90, 0.32);
  animation: float-dot 7s var(--ease-out) infinite;
}

.hero-ambient span:nth-child(1) {
  top: 18%;
  left: 8%;
}

.hero-ambient span:nth-child(2) {
  top: 64%;
  left: 42%;
  width: 7px;
  height: 7px;
  animation-delay: -2s;
}

.hero-ambient span:nth-child(3) {
  top: 24%;
  right: 18%;
  background: rgba(232, 93, 42, 0.34);
  box-shadow: 0 0 24px rgba(232, 93, 42, 0.26);
  animation-delay: -4s;
}

.hero-ambient span:nth-child(4) {
  right: 9%;
  bottom: 18%;
  width: 12px;
  height: 12px;
  animation-delay: -1s;
}

.hero-ambient span:nth-child(5) {
  top: 76%;
  left: 18%;
  width: 6px;
  height: 6px;
  animation-delay: -5s;
}

.service-intro__inner {
  display: grid;
  align-items: center;
  justify-content: space-between;
  max-width: 1160px;
  margin: 0 auto;
  padding: 42px 20px 34px;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  gap: 34px;
}

.service-intro h1 {
  max-width: 720px;
  margin-bottom: 12px;
  font-size: 42px;
  letter-spacing: 0;
}

.service-intro p:not(.eyebrow) {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
}

.hero-copy {
  min-width: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 22px;
  gap: 10px;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  margin-top: 20px;
  gap: 8px;
}

.trust-strip span {
  padding: 6px 10px;
  border: 1px solid rgba(11, 122, 90, 0.16);
  border-radius: 999px;
  color: var(--primary-dark);
  background: #ffffff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(18, 24, 38, 0.05);
}

.hero-showcase {
  display: grid;
  align-items: stretch;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 12px;
}

.showcase-card {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 156px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 14px 32px rgba(18, 24, 38, 0.1);
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.showcase-card:hover {
  border-color: rgba(11, 122, 90, 0.36);
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

.showcase-card:active {
  transform: translateY(0) scale(0.99);
}

.showcase-card--large {
  min-height: 324px;
  grid-row: span 2;
}

.showcase-card img {
  width: 100%;
  height: 100%;
  min-height: 156px;
  object-fit: contain;
  object-position: center;
  padding: 8px;
  background: var(--white);
}

.showcase-card--large img {
  min-height: 324px;
}

.showcase-card div {
  position: absolute;
  right: 10px;
  bottom: 10px;
  left: 10px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(18, 24, 38, 0.12);
}

.showcase-card strong,
.showcase-card span {
  display: block;
}

.showcase-card strong {
  font-size: 15px;
}

.showcase-card span {
  color: var(--muted);
  font-size: 12px;
}

.eyebrow {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  gap: 6px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 7px;
  gap: 8px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: background 160ms var(--ease-out), border-color 160ms var(--ease-out), color 160ms var(--ease-out), box-shadow 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.button::after {
  position: absolute;
  inset: 0 auto 0 -40%;
  width: 34%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.36), transparent);
  content: "";
  opacity: 0;
  pointer-events: none;
  transform: translateX(-130%) skewX(-18deg);
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(23, 33, 30, 0.1);
}

.button:hover::after {
  opacity: 1;
  animation: soft-shine 760ms var(--ease-out);
}

.button:active {
  transform: translateY(0) scale(0.98);
}

.button--primary {
  color: var(--white);
  border-color: var(--primary);
  background: linear-gradient(135deg, #0e9b72, var(--primary-dark));
  box-shadow: 0 12px 26px rgba(11, 122, 90, 0.2);
}

.button--primary:hover {
  border-color: var(--primary-dark);
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
}

.button--secondary {
  color: var(--ink);
  border-color: var(--line);
  background: var(--white);
}

.button--secondary:hover,
.button--quiet:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.button--quiet {
  min-height: 40px;
  padding: 8px 12px;
  color: var(--primary-dark);
  border-color: var(--line);
  background: var(--white);
}

.catalog-tools,
.section,
.contact-band,
.scenario-section {
  max-width: 1160px;
  margin: 0 auto;
}

.scenario-section {
  padding: 26px 20px 8px;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.scenario-card {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 142px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(227, 232, 239, 0.9);
  border-radius: 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 28px rgba(18, 24, 38, 0.06);
  text-align: left;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.scenario-card::before {
  position: absolute;
  top: -36px;
  right: -36px;
  width: 92px;
  height: 92px;
  border-radius: 999px;
  background: rgba(11, 122, 90, 0.1);
  content: "";
}

.scenario-card:hover {
  border-color: rgba(11, 122, 90, 0.32);
  box-shadow: var(--soft-glow);
  transform: translateY(-3px);
}

.scenario-card:active {
  transform: translateY(0) scale(0.99);
}

.scenario-card--urgent {
  border-color: rgba(232, 93, 42, 0.22);
  background: linear-gradient(145deg, #ffffff, var(--accent-soft));
}

.scenario-card span {
  display: grid;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  place-items: center;
  border-radius: 10px;
  color: var(--white);
  background: var(--primary);
  font-weight: 900;
}

.scenario-card--urgent span {
  background: var(--accent);
}

.scenario-card strong {
  margin-bottom: 6px;
  font-size: 17px;
  line-height: 1.28;
}

.scenario-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.team-section {
  padding-top: 26px;
  padding-bottom: 18px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.team-card {
  display: grid;
  min-width: 0;
  padding: 22px;
  border: 1px solid rgba(11, 122, 90, 0.18);
  border-radius: 8px;
  gap: 12px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(18, 24, 38, 0.06);
}

.team-card--installer {
  border-color: rgba(232, 93, 42, 0.22);
  background: linear-gradient(145deg, #ffffff, var(--accent-soft));
}

.team-card__badge {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: var(--surface-strong);
  font-size: 12px;
  font-weight: 800;
}

.team-card--installer .team-card__badge {
  color: var(--accent);
  background: #fff7f2;
}

.team-card h3 {
  margin-bottom: 0;
  font-size: 21px;
}

.team-card p {
  margin-bottom: 4px;
  color: var(--muted);
}

.team-card .button {
  width: fit-content;
}

.catalog-tools {
  display: grid;
  padding: 24px 20px 8px;
  gap: 12px;
}

.search-box {
  display: flex;
  align-items: center;
  width: min(100%, 640px);
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  gap: 10px;
  background: var(--white);
  box-shadow: 0 8px 22px rgba(18, 24, 38, 0.05);
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8, 118, 92, 0.12);
}

.search-box img {
  width: 20px;
  height: 20px;
}

.search-box input {
  width: 100%;
  min-width: 0;
  padding: 11px 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
}

.category-tabs {
  display: flex;
  overflow-x: auto;
  padding: 2px 0 6px;
  gap: 8px;
  scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
  display: none;
}

.category-tabs button {
  position: relative;
  flex: 0 0 auto;
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  cursor: pointer;
  overflow: hidden;
  transition: background 160ms var(--ease-out), border-color 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

.category-tabs button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(23, 33, 30, 0.08);
}

.category-tabs button:active {
  transform: translateY(0) scale(0.97);
}

.category-tabs button[aria-selected="true"] {
  color: var(--white);
  border-color: var(--primary-dark);
  background: var(--primary-dark);
}

.section {
  padding: 34px 20px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 20px;
}

.section-heading h2,
.contact-band h2 {
  margin-bottom: 0;
  font-size: 24px;
}

.result-count {
  color: var(--muted);
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  animation: fade-up 280ms var(--ease-out) both;
  transition: border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out), transform 180ms var(--ease-out);
  box-shadow: 0 8px 24px rgba(18, 24, 38, 0.05);
}

.product-card::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.42), transparent 70%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transform: translateX(-120%);
  transition: opacity 180ms var(--ease-out);
}

.product-card:hover {
  border-color: rgba(8, 118, 92, 0.38);
  box-shadow: var(--shadow-lift);
  transform: translateY(-3px);
}

.product-card:hover::before {
  opacity: 1;
  animation: soft-shine 900ms var(--ease-out);
}

.product-card__image {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-bottom: 1px solid var(--line);
  aspect-ratio: 1 / 1;
  background: var(--surface);
  cursor: pointer;
  isolation: isolate;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 10px;
  transition: transform 180ms ease;
}

.product-card__image:hover img {
  transform: scale(1.025);
}

.product-card__image span {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--primary-dark);
  background: rgba(255, 255, 255, 0.94);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(18, 24, 38, 0.08);
}

.product-card__body {
  padding: 16px;
}

.product-brand,
.product-note,
.detail-model {
  color: var(--muted);
  font-size: 13px;
}

.product-brand {
  margin-bottom: 3px;
}

.product-card h3 {
  min-height: 46px;
  margin-bottom: 10px;
  font-size: 17px;
}

.product-price {
  margin-bottom: 3px;
  color: var(--accent);
  font-size: 20px;
  font-weight: 800;
}

.product-note {
  min-height: 42px;
  margin-bottom: 14px;
}

.product-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.product-card__actions .button {
  flex: 1;
}

.empty-state {
  padding: 48px 20px;
  border: 1px dashed #aab7b1;
  border-radius: 8px;
  text-align: center;
  background: var(--surface);
}

.empty-state p {
  color: var(--muted);
}

.service-standard {
  max-width: none;
  padding-right: max(20px, calc((100% - 1080px) / 2));
  padding-left: max(20px, calc((100% - 1080px) / 2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.service-steps {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
  list-style: none;
}

.service-steps li {
  display: flex;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  gap: 12px;
  background: var(--surface);
}

.service-steps li > span {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: var(--primary);
  font-weight: 800;
}

.service-steps strong {
  display: block;
  margin-bottom: 4px;
}

.service-steps p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  grid-template-columns: 180px 1fr;
}

.case-card img {
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
}

.case-card div {
  padding: 18px;
}

.case-card p,
.case-card span {
  color: var(--muted);
  font-size: 13px;
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  margin-bottom: 26px;
  padding: 28px 24px;
  border: 1px solid rgba(11, 122, 90, 0.18);
  border-radius: 8px;
  gap: 28px;
  background: linear-gradient(135deg, #ffffff 0%, #eef7f3 100%);
  box-shadow: 0 12px 30px rgba(18, 24, 38, 0.08);
}

.contact-band > div:first-child {
  max-width: 650px;
}

.contact-band p:not(.eyebrow) {
  margin: 8px 0 0;
  color: var(--muted);
}

.contact-band__actions {
  display: grid;
  gap: 8px;
}

.faq-section {
  max-width: none;
  padding-right: max(20px, calc((100% - 1080px) / 2));
  padding-left: max(20px, calc((100% - 1080px) / 2));
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  padding: 16px 4px;
  font-weight: 700;
  cursor: pointer;
}

.faq-list details p {
  max-width: 800px;
  margin: 0 4px 18px;
  color: var(--muted);
}

.site-footer {
  padding: 34px 20px 112px;
  color: #cbd4d0;
  background: var(--ink);
  text-align: center;
}

.site-footer strong {
  display: block;
  color: var(--white);
}

.site-footer p {
  margin: 5px 0;
  font-size: 14px;
}

.visit-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 12px;
  gap: 8px;
}

.visit-stats span {
  padding: 4px 8px;
  border: 1px solid rgba(203, 212, 208, 0.16);
  border-radius: 999px;
  color: #dce5e0;
  background: rgba(255, 255, 255, 0.06);
  font-size: 12px;
}

.visit-stats b {
  color: var(--white);
  font-weight: 800;
}

.site-footer small {
  color: #98a69f;
}

.mobile-actions {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 30;
  display: grid;
  height: 70px;
  padding-bottom: env(safe-area-inset-bottom);
  border-top: 1px solid var(--line);
  background: var(--white);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  box-shadow: 0 -8px 24px rgba(23, 33, 30, 0.08);
}

.mobile-actions a,
.mobile-actions button {
  position: relative;
  display: flex;
  min-width: 0;
  padding: 6px;
  align-items: center;
  justify-content: center;
  border: 0;
  gap: 6px;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
  cursor: pointer;
  overflow: hidden;
  transition: background 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.mobile-actions a:active,
.mobile-actions button:active {
  transform: scale(0.98);
}

.mobile-actions button {
  color: var(--white);
  background: var(--primary);
}

dialog {
  width: min(92vw, 760px);
  max-height: min(90vh, 900px);
  padding: 0;
  overflow: auto;
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
}

dialog[open] {
  animation: dialog-in 220ms var(--ease-out);
}

.product-dialog {
  width: min(94vw, 1040px);
}

dialog::backdrop {
  background: rgba(16, 24, 21, 0.66);
  animation: backdrop-in 180ms ease-out;
}

.dialog-close {
  position: sticky;
  top: 12px;
  z-index: 4;
  float: right;
  margin: 12px 12px -56px 0;
  box-shadow: 0 4px 12px rgba(23, 33, 30, 0.12);
}

.product-detail {
  background: var(--white);
}

.product-detail__lead {
  display: grid;
  border-bottom: 1px solid var(--line);
  grid-template-columns: minmax(0, 430px) minmax(0, 1fr);
}

.product-detail__media {
  padding: 24px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.product-gallery__main {
  display: grid;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 8px;
}

.product-gallery__thumbs {
  display: grid;
  margin-top: 10px;
  grid-template-columns: repeat(5, minmax(0, 64px));
  gap: 8px;
}

.product-gallery__thumbs button {
  position: relative;
  display: grid;
  overflow: hidden;
  padding: 0;
  aspect-ratio: 1 / 1;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  cursor: pointer;
  overflow: hidden;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.product-gallery__thumbs button[aria-pressed="true"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(8, 118, 92, 0.15);
}

.product-gallery__thumbs button:hover {
  transform: translateY(-1px);
}

.product-gallery__thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 4px;
  background: var(--white);
}

.product-detail__main {
  padding: 24px;
}

.product-detail h2,
.contact-dialog h2 {
  margin-bottom: 4px;
  padding-right: 46px;
  font-size: 26px;
}

.detail-model {
  margin-bottom: 16px;
}

.detail-price {
  display: flex;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  gap: 12px;
}

.detail-price strong {
  color: var(--accent);
  font-size: 22px;
}

.detail-price span {
  color: var(--muted);
  font-size: 13px;
}

.detail-description {
  margin: 18px 0 12px;
  color: #34413c;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 22px;
  gap: 8px;
}

.tag-list span {
  padding: 5px 9px;
  border-radius: 4px;
  color: var(--blue);
  background: #edf6fa;
  font-size: 12px;
  font-weight: 700;
}

.detail-list {
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.detail-list h3 {
  margin-bottom: 8px;
  font-size: 16px;
}

.detail-list ul {
  display: grid;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  gap: 5px;
}

.detail-list--included li::marker {
  color: var(--primary);
}

.detail-list--extras li::marker {
  color: var(--accent);
}

.safety-note {
  display: flex;
  padding: 12px;
  border-left: 3px solid var(--blue);
  gap: 9px;
  color: #315362;
  background: #f0f7fa;
  font-size: 13px;
}

.safety-note img {
  flex: 0 0 19px;
  margin-top: 1px;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 6px;
  gap: 8px;
}

.product-detail__commerce {
  display: grid;
  padding: 22px 24px 28px;
  gap: 18px;
}

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

.commerce-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.commerce-section h3,
.commerce-grid h3 {
  margin-bottom: 10px;
  font-size: 17px;
}

.commerce-section ul {
  display: grid;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  gap: 7px;
}

.commerce-section--points li::marker,
.commerce-section--check li::marker {
  color: var(--primary);
}

.spec-table {
  display: grid;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.spec-table div {
  display: grid;
  min-width: 0;
  border-top: 1px solid var(--line);
  grid-template-columns: 116px minmax(0, 1fr);
}

.spec-table div:nth-child(-n + 2) {
  border-top: 0;
}

.spec-table div:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.spec-table dt,
.spec-table dd {
  min-width: 0;
  margin: 0;
  padding: 10px 12px;
  overflow-wrap: anywhere;
}

.spec-table dt {
  color: var(--muted);
  background: var(--surface);
  font-size: 13px;
}

.spec-table dd {
  color: var(--ink);
  font-size: 14px;
}

.commerce-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.commerce-grid .detail-list {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.commerce-grid .detail-list ul {
  font-size: 14px;
}

.product-faqs details {
  border-top: 1px solid var(--line);
}

.product-faqs summary {
  padding: 13px 0;
  font-weight: 700;
  cursor: pointer;
  transition: color 160ms var(--ease-out);
}

.product-faqs summary:hover {
  color: var(--primary-dark);
}

.product-faqs p {
  margin: -2px 0 14px;
  color: var(--muted);
  font-size: 14px;
  animation: fade-up 180ms var(--ease-out);
}

.contact-dialog__content {
  padding: 28px;
}

.dialog-lead {
  color: var(--muted);
}

.contact-paths {
  display: grid;
  margin: 20px 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.contact-path {
  position: relative;
  display: grid;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  gap: 5px;
  color: var(--ink);
  background: var(--white);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out), transform 160ms var(--ease-out), background 160ms var(--ease-out);
}

.contact-path:hover {
  border-color: rgba(11, 122, 90, 0.36);
  box-shadow: 0 8px 18px rgba(23, 33, 30, 0.09);
  transform: translateY(-1px);
}

.contact-path:active {
  transform: translateY(0) scale(0.99);
}

.contact-path--urgent {
  border-color: rgba(232, 93, 42, 0.34);
  background: var(--accent-soft);
}

.contact-path span {
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 800;
}

.contact-path--urgent span {
  color: var(--accent);
}

.contact-path strong {
  font-size: 16px;
  line-height: 1.3;
}

.contact-path small {
  color: var(--muted);
  line-height: 1.45;
}

.phone-list {
  display: grid;
  margin: 20px 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.phone-list a {
  position: relative;
  display: flex;
  min-width: 0;
  padding: 13px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  gap: 10px;
  font-weight: 800;
  overflow: hidden;
  transition: border-color 160ms var(--ease-out), box-shadow 160ms var(--ease-out), transform 160ms var(--ease-out), color 160ms var(--ease-out);
}

.phone-list a:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  box-shadow: 0 8px 18px rgba(23, 33, 30, 0.09);
  transform: translateY(-1px);
}

.phone-list a:active {
  transform: translateY(0) scale(0.99);
}

.phone-list small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
}

.wechat-panel {
  display: grid;
  padding: 16px 0;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: 112px 1fr;
  gap: 18px;
  transition: background-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.wechat-panel--has-qr {
  grid-template-columns: minmax(156px, 220px) minmax(0, 1fr);
  align-items: start;
}

.wechat-panel--attention {
  background: #f0faf6;
  box-shadow: inset 4px 0 0 var(--primary);
}

.wechat-panel[hidden] {
  display: none;
}

.wechat-panel p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.wechat-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 12px;
  align-items: center;
  gap: 8px;
}

.wechat-actions span {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.wechat-actions[hidden] {
  display: none;
}

.qr-placeholder {
  display: grid;
  width: 112px;
  height: 112px;
  padding: 10px;
  place-items: center;
  border: 1px dashed #9aa8a2;
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface);
  text-align: center;
  font-size: 11px;
}

.qr-placeholder img {
  width: 34px;
  height: 34px;
}

.qr-placeholder--image {
  width: min(220px, 100%);
  height: auto;
  padding: 0;
  overflow: hidden;
  border-style: solid;
  aspect-ratio: 1 / 1;
  background: var(--white);
}

.qr-placeholder--image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.qr-image-link {
  display: block;
  width: 100%;
  height: 100%;
}

.inquiry-form {
  display: grid;
  padding-top: 20px;
  gap: 14px;
}

.form-intro {
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--primary);
  color: #315362;
  background: #f0f7fa;
  font-size: 13px;
}

.inquiry-form label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
}

.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: 0;
  color: var(--ink);
  background: var(--white);
  font-weight: 400;
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8, 118, 92, 0.12);
}

.inquiry-form input[readonly] {
  color: #42504b;
  background: var(--surface);
}

.inquiry-actions {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 10px;
}

.inquiry-actions .button {
  width: 100%;
}

.contact-method-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.copy-status {
  min-height: 24px;
  margin-bottom: 0;
  color: var(--primary-dark);
  font-size: 13px;
}

.copy-status--active {
  animation: status-pop 180ms var(--ease-out);
}

.copy-status--error {
  color: var(--accent);
}

.tap-ripple {
  position: absolute;
  top: var(--tap-y);
  left: var(--tap-x);
  z-index: 5;
  width: var(--tap-size);
  height: var(--tap-size);
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.72), currentColor 58%, transparent 62%);
  mix-blend-mode: soft-light;
  animation: tap-ripple 620ms var(--ease-out) forwards;
}

.site-toast {
  position: fixed;
  right: 16px;
  bottom: calc(86px + env(safe-area-inset-bottom));
  left: 16px;
  z-index: 80;
  max-width: 520px;
  margin: 0 auto;
  padding: 12px 14px;
  border: 1px solid rgba(11, 122, 90, 0.2);
  border-radius: 8px;
  color: var(--primary-dark);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  font-size: 14px;
}

.site-toast--active {
  animation: status-pop 180ms var(--ease-out);
}

.site-toast--error {
  color: var(--accent);
  border-color: rgba(232, 93, 42, 0.24);
}

@media (min-width: 900px) {
  body {
    padding-bottom: 0;
  }

  .mobile-actions {
    right: 24px;
    bottom: 24px;
    left: auto;
    width: auto;
    height: auto;
    overflow: hidden;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    grid-template-columns: repeat(3, 92px);
    box-shadow: var(--shadow);
  }

  .mobile-actions a,
  .mobile-actions button {
    min-height: 54px;
    flex-direction: row;
  }

  .site-footer {
    padding-bottom: 44px;
  }

  .site-toast {
    bottom: 24px;
  }
}

@media (max-width: 760px) {
  .service-intro__inner,
  .contact-band {
    align-items: stretch;
    flex-direction: column;
  }

  .service-intro__inner {
    padding: 28px 16px 24px;
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .service-intro h1 {
    font-size: 30px;
  }

  .hero-actions .button {
    flex: 1 1 150px;
  }

  .hero-showcase {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .showcase-card,
  .showcase-card--large {
    min-height: 150px;
  }

  .showcase-card--large {
    grid-column: span 2;
    grid-row: auto;
  }

  .showcase-card img,
  .showcase-card--large img {
    min-height: 150px;
  }

  .catalog-tools,
  .section,
  .contact-band,
  .scenario-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

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

  .team-card {
    padding: 18px;
  }

  .team-card .button {
    width: 100%;
  }

  .scenario-card {
    min-height: 132px;
    padding: 15px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .product-card__body {
    padding: 12px;
  }

  .product-card h3 {
    min-height: 40px;
    font-size: 15px;
  }

  .product-price {
    font-size: 16px;
  }

  .product-note {
    min-height: 40px;
    font-size: 12px;
  }

  .service-steps {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .contact-band__actions {
    grid-template-columns: 1fr;
  }

  dialog {
    width: 100%;
    max-width: none;
    max-height: 92vh;
    margin: auto 0 0;
    border-radius: 8px 8px 0 0;
  }

  .product-detail__lead {
    grid-template-columns: 1fr;
  }

  .product-detail__media {
    padding: 16px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-gallery__main {
    aspect-ratio: 4 / 3;
  }

  .product-detail__main,
  .product-detail__commerce,
  .contact-dialog__content {
    padding: 20px 16px calc(24px + env(safe-area-inset-bottom));
  }

  .product-detail h2,
  .contact-dialog h2 {
    font-size: 22px;
  }

  .phone-list {
    grid-template-columns: 1fr;
  }

  .wechat-panel--has-qr {
    grid-template-columns: 1fr;
  }

  .qr-placeholder--image {
    width: min(260px, 100%);
  }

  .contact-paths {
    grid-template-columns: 1fr;
  }

  .inquiry-actions {
    grid-template-columns: 1fr;
  }

  .spec-table {
    grid-template-columns: 1fr;
  }

  .spec-table div,
  .spec-table div:nth-child(odd) {
    border-right: 0;
  }

  .spec-table div:nth-child(-n + 2) {
    border-top: 1px solid var(--line);
  }

  .spec-table div:first-child {
    border-top: 0;
  }

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

@media (max-width: 380px) {
  .brand strong {
    max-width: 190px;
    font-size: 14px;
  }

  .brand small {
    display: none;
  }

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

  .hero-showcase {
    grid-template-columns: 1fr;
  }

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

  .showcase-card--large {
    grid-column: auto;
  }

  .product-card__image {
    aspect-ratio: 1 / 1;
  }

  .product-card h3,
  .product-note {
    min-height: 0;
  }

  .detail-actions .button {
    width: 100%;
  }

  .product-gallery__thumbs {
    grid-template-columns: repeat(4, minmax(0, 58px));
  }

  .wechat-panel {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .tap-ripple {
    display: none;
  }
}