:root {
  --teal: #008f80;
  --teal-dark: #00796d;
  --ink: #151b1f;
  --text: #3e4b50;
  --muted: #7a898d;
  --line: #e4ecef;
  --soft: #f5f9fa;
  --white: #ffffff;
  --footer: #172126;
  --shadow: 0 14px 38px rgba(20, 48, 55, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  letter-spacing: 0;
}

body.modal-open {
  overflow: hidden;
}

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

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

.section-anchor {
  scroll-margin-top: 78px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) auto;
  align-items: center;
  height: 80px;
  width: 100%;
  padding: 0 max(32px, calc((100vw - 1320px) / 2));
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(219, 229, 232, 0.82);
  box-shadow: 0 8px 24px rgba(25, 45, 52, 0.05);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--ink);
  font-size: 26px;
  font-weight: 900;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 2vw, 34px);
  min-width: 0;
  color: #202c31;
  font-size: 14px;
  font-weight: 700;
}

.desktop-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 80px;
  line-height: 1;
  white-space: nowrap;
  writing-mode: horizontal-tb;
  flex: 0 0 auto;
}

.desktop-nav a::after {
  position: absolute;
  left: 50%;
  bottom: 18px;
  width: 0;
  height: 3px;
  background: var(--teal);
  border-radius: 99px;
  content: "";
  transform: translateX(-50%);
  transition: width 0.2s ease;
}

.desktop-nav a:hover,
.desktop-nav .active {
  color: var(--teal);
}

.desktop-nav a:hover::after,
.desktop-nav .active::after {
  width: 34px;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 14px;
  min-width: 0;
}

.phone-pill,
.wechat-pill,
.primary-button,
.secondary-button,
.more-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  border-radius: 7px;
  font-weight: 800;
  white-space: nowrap;
}

.phone-pill {
  padding: 0 18px;
  color: var(--teal-dark);
  background: #f2f8f8;
  border: 1px solid #e3eeee;
}

.wechat-pill,
.primary-button {
  padding: 0 22px;
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 9px 20px rgba(0, 143, 128, 0.2);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  color: var(--teal);
  background: #eef8f7;
  border: 1px solid #d9ecea;
  border-radius: 7px;
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  background: #edf5f7;
}

.hero-bg {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  object-position: 67% 50%;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 29%, rgba(255, 255, 255, 0.25) 54%, rgba(255, 255, 255, 0) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.24));
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto;
  padding: 78px 0 70px;
}

.eyebrow {
  display: inline-block;
  color: var(--teal);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 560px;
  margin: 18px 0 0;
  color: #101719;
  font-size: 47px;
  line-height: 1.28;
  font-weight: 900;
}

.hero h1 span {
  color: var(--teal);
}

.hero p {
  max-width: 515px;
  margin: 24px 0 0;
  color: #3f4d51;
  font-size: 17px;
  line-height: 2.05;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
}

.primary-button,
.secondary-button {
  min-width: 148px;
  min-height: 56px;
  font-size: 16px;
}

.secondary-button {
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(0, 143, 128, 0.42);
  box-shadow: none;
}

.plain-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #1f292d;
  font-size: 17px;
  font-weight: 800;
}

.section {
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

.section-title {
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto 34px;
  text-align: center;
}

.section-title h2,
.about-copy h2,
.contact-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 32px;
  line-height: 1.25;
  font-weight: 900;
}

.section-title p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto;
}

.service-grid article {
  position: relative;
  min-height: 190px;
  padding: 16px 38px 12px;
  text-align: center;
}

.service-grid article + article {
  border-left: 1px solid var(--line);
}

.service-grid i {
  color: var(--teal);
  font-size: 52px;
  line-height: 1;
}

.service-grid h3 {
  margin: 26px 0 13px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.service-grid p {
  margin: 0;
  color: #6f7d82;
  font-size: 14px;
  line-height: 1.9;
}

.about {
  padding: 44px 0;
  background: linear-gradient(180deg, #fbfdfd 0%, #f4f8f9 100%);
  border-bottom: 1px solid var(--line);
}

.about-inner {
  display: grid;
  grid-template-columns: 365px 1fr;
  gap: 38px;
  align-items: center;
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto;
}

.about-copy .lead {
  margin: 14px 0 22px;
  color: #65757a;
  font-size: 15px;
  font-weight: 800;
}

.about-copy p {
  margin: 0;
  color: #596a70;
  font-size: 15px;
  line-height: 2.05;
}

.proof-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.proof-tags span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 13px;
  color: #31585a;
  background: #eef7f6;
  border: 1px solid #d9ecea;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 800;
}

.proof-tags i {
  color: var(--teal);
}

.about-gallery {
  display: grid;
  grid-template-columns: 1.42fr 1fr;
  gap: 14px;
}

.about-gallery figure {
  position: relative;
  overflow: hidden;
  margin: 0;
  background: var(--white);
  border: 1px solid #dfe9eb;
  border-radius: 7px;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.about-gallery figure::before {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--white);
  background: rgba(0, 143, 128, 0.9);
  border-radius: 50%;
  content: "\f00e";
  font-family: "Font Awesome 6 Free";
  font-size: 13px;
  font-weight: 900;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.about-gallery figure:hover::before,
.about-gallery figure:focus-visible::before {
  opacity: 1;
  transform: translateY(0);
}

.about-gallery figure:focus-visible {
  outline: 3px solid rgba(0, 143, 128, 0.28);
  outline-offset: 4px;
}

.about-gallery img {
  height: 100%;
  object-fit: cover;
}

.certificate-card {
  min-height: 326px;
}

.factory-stack {
  display: grid;
  gap: 14px;
}

.factory-stack figure {
  min-height: 156px;
}

.about-gallery figcaption {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 7px 14px;
  color: var(--white);
  background: rgba(0, 143, 128, 0.92);
  border-radius: 5px;
  font-size: 14px;
  font-weight: 900;
}

.cases {
  background: linear-gradient(180deg, #ffffff 0%, #f4fafe 50%, #ffffff 100%);
}

.case-strip {
  display: grid;
  grid-template-columns: 2.05fr repeat(4, 1fr);
  gap: 22px;
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto;
}

.case-strip-secondary {
  width: min(1180px, calc(100vw - 140px));
  grid-template-columns: 1.45fr .96fr 1.12fr 1.22fr .95fr;
  gap: 18px;
  margin-top: 20px;
  transform: translateX(18px);
}

.case-strip-secondary .case-card {
  min-height: 220px;
}

.case-strip-secondary .case-card img {
  min-height: 220px;
}

.case-card {
  position: relative;
  overflow: hidden;
  min-height: 248px;
  background: #d9e7ea;
  border-radius: 8px;
  box-shadow: 0 18px 35px rgba(18, 44, 51, 0.14);
}

button.case-card,
button.case-page-card {
  display: block;
  width: 100%;
  padding: 0;
  font: inherit;
  text-align: left;
  border: 0;
  cursor: pointer;
}

.case-card.wide {
  min-height: 248px;
}

.case-card img {
  height: 100%;
  min-height: 248px;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.case-card::after {
  position: absolute;
  inset: 45% 0 0;
  background: linear-gradient(180deg, rgba(10, 18, 20, 0) 0%, rgba(10, 18, 20, 0.72) 100%);
  content: "";
}

.case-card h3 {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 1;
  margin: 0;
  color: var(--white);
  font-size: 19px;
  line-height: 1.28;
  font-weight: 900;
}

.play-badge {
  position: absolute;
  z-index: 2;
  left: 18px;
  top: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  color: var(--white);
  background: rgba(0, 143, 128, 0.92);
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  box-shadow: 0 12px 24px rgba(0, 40, 45, 0.22);
}

.case-card-video::before,
.case-page-video::before {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: rgba(3, 28, 34, 0.08);
  content: "";
}

.case-card:hover img {
  transform: scale(1.045);
}

.more-button {
  display: flex;
  width: 182px;
  min-height: 43px;
  margin: 28px auto 0;
  color: var(--teal);
  background: var(--white);
  border: 1px solid var(--teal);
  font-size: 15px;
}

.process {
  background: #fbfdfd;
}

.process-row {
  display: grid;
  grid-template-columns: repeat(9, minmax(110px, 1fr));
  gap: 14px;
  width: min(1360px, calc(100vw - 64px));
  margin: 0 auto;
}

.process-row article {
  position: relative;
  min-height: 208px;
  padding: 19px 8px 18px;
  text-align: center;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid #e2ebee;
  border-radius: 18px 18px 8px 8px;
  box-shadow: 0 18px 34px rgba(31, 68, 76, 0.08);
}

.process-row article:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -14px;
  z-index: 2;
  color: var(--teal);
  content: "\f061";
  font-family: "Font Awesome 6 Free";
  font-size: 14px;
  font-weight: 900;
  transform: translateY(-50%);
}

.process-row strong {
  color: var(--teal);
  font-size: 14px;
  font-weight: 900;
}

.process-row h3 {
  margin: 7px 0 13px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.motion-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  margin-bottom: 12px;
  color: var(--teal);
  background: #eef8f7;
  border: 1px solid #cbe8e4;
  border-radius: 50%;
  box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.82);
  animation: iconFloat 2.4s ease-in-out infinite;
}

.process-row article:nth-child(2n) .motion-icon {
  animation-delay: 0.28s;
}

.process-row article:nth-child(3n) .motion-icon {
  animation-delay: 0.52s;
}

.motion-icon i {
  font-size: 29px;
}

.process-row p {
  margin: 0;
  color: #65767b;
  font-size: 12px;
  line-height: 1.8;
}

.news {
  background: #f8fbfb;
}

.news-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.82fr 0.82fr;
  gap: 28px;
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto;
}

.news-feature,
.news-list,
.news-side {
  min-height: 288px;
}

.news-feature,
.news-side {
  display: block;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #e2ebee;
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(32, 64, 73, 0.08);
}

.news-image {
  position: relative;
}

.news-image img {
  height: 176px;
  object-fit: cover;
}

.news-image span,
.news-list span,
.news-side span {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 9px;
  color: var(--teal);
  background: #e8f6f4;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 900;
}

.news-image span {
  position: absolute;
  top: 14px;
  left: 14px;
  color: var(--white);
  background: rgba(0, 143, 128, 0.9);
}

.news-body {
  padding: 24px;
}

.news-body h3,
.news-list h3,
.news-side h3 {
  margin: 10px 0 10px;
  color: #1d282c;
  font-weight: 900;
}

.news-body h3 {
  font-size: 21px;
  line-height: 1.45;
}

.news-body p {
  margin: 0 0 14px;
  color: #68787d;
  font-size: 14px;
  line-height: 1.8;
}

.news-list {
  display: grid;
  gap: 12px;
}

.news-list .news-item,
.news-side .news-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  padding: 14px;
  background: var(--white);
  border: 1px solid #e2ebee;
  border-radius: 8px;
  box-shadow: 0 12px 25px rgba(32, 64, 73, 0.06);
}

.news-list img,
.news-side .news-item img {
  height: 82px;
  object-fit: cover;
  border-radius: 6px;
}

.news-list h3,
.news-side h3 {
  font-size: 16px;
  line-height: 1.45;
}

time {
  color: #8b9a9e;
  font-size: 13px;
}

.news-side {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 18px;
}

.news-side .news-more {
  justify-self: end;
  margin-top: 4px;
  color: var(--teal);
  font-size: 15px;
  font-weight: 900;
}

.contact {
  display: grid;
  grid-template-columns: 50% 50%;
  width: min(1320px, 100vw);
  min-height: 150px;
  margin: 0 auto;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
}

.contact-copy {
  padding: 18px 34px 18px;
}

.contact-copy h2 {
  font-size: 26px;
  line-height: 1.16;
}

.contact-copy h3 {
  margin: 4px 0 0;
  color: #1d282c;
  font-size: 18px;
  font-weight: 900;
}

.contact-copy p {
  margin: 6px 0 10px;
  color: #69777c;
  font-size: 12px;
}

.contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 100%;
}

.contact-card {
  position: relative;
  min-height: 104px;
  padding: 16px 18px 14px 72px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #d9e6e9;
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(28, 58, 66, 0.05);
}

.contact-card > i {
  position: absolute;
  top: 30px;
  left: 18px;
  color: var(--teal);
  font-size: 36px;
}

.contact-card span,
.contact-card small {
  display: block;
  color: #6f7d82;
  font-size: 13px;
}

.contact-card strong {
  display: block;
  margin-top: 2px;
  color: var(--teal);
  font-size: clamp(20px, 1.55vw, 26px);
  line-height: 1.12;
  font-weight: 900;
  white-space: nowrap;
}

.qr-code {
  position: absolute;
  right: 14px;
  bottom: 9px;
  width: 86px;
  height: 86px;
  object-fit: cover;
  background: #fff;
  border: 4px solid #fff;
  box-shadow: 0 0 0 1px #d8e3e6;
}

.contact-card.service-phone {
  min-height: 104px;
}

.contact-card.wechat-card {
  padding-right: 118px;
  cursor: zoom-in;
}

.contact-card.wechat-card > i {
  color: #00a884;
}

.qr-popover {
  position: fixed;
  z-index: 100;
  display: none;
  width: 220px;
  padding: 12px;
  background: #fff;
  border: 1px solid #d7e5e8;
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(15, 42, 48, 0.2);
}

.qr-popover.open {
  display: block;
}

.qr-popover img {
  width: 196px;
  height: 196px;
  object-fit: cover;
}

.qr-popover span {
  display: block;
  margin-top: 8px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 900;
  text-align: center;
}

.article-content img,
.case-detail-content img {
  max-width: 100%;
  height: auto;
  margin: 18px 0;
  border-radius: 8px;
}

.article-content .article-video,
.case-detail-content .article-video {
  margin: 26px 0;
  overflow: hidden;
  background: #f3f8f8;
  border: 1px solid #dbe8e9;
  border-radius: 8px;
}

.article-content .article-video video,
.case-detail-content .article-video video,
.article-content .article-video iframe,
.case-detail-content .article-video iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  background: #000;
  border: 0;
}

.article-content .article-video-embed iframe,
.case-detail-content .article-video-embed iframe {
  aspect-ratio: 16 / 9;
}

.article-content .article-video figcaption,
.case-detail-content .article-video figcaption {
  padding: 12px 16px;
  color: #62747a;
  font-size: 14px;
  line-height: 1.65;
}

.article-content table,
.case-detail-content table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 8px;
}

.article-content th,
.article-content td,
.case-detail-content th,
.case-detail-content td {
  padding: 12px 14px;
  border: 1px solid #dfe9eb;
  vertical-align: top;
}

.article-content th,
.case-detail-content th {
  background: #eef8f7;
  color: #173337;
  font-weight: 900;
}

.article-content blockquote,
.case-detail-content blockquote {
  margin: 18px 0;
  padding: 14px 18px;
  color: #31545b;
  background: #f3faf9;
  border-left: 4px solid var(--teal);
}

.gallery-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.gallery-modal.open {
  display: flex;
}

.gallery-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 28, 34, 0.58);
  backdrop-filter: blur(5px);
}

.gallery-panel {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 80px));
  padding: 28px 0 32px;
  background: linear-gradient(180deg, #ffffff 0%, #f5fbfb 100%);
  border: 1px solid rgba(214, 232, 235, 0.95);
  border-radius: 10px;
  box-shadow: 0 28px 80px rgba(6, 27, 34, 0.26);
}

.gallery-panel h2 {
  margin: 0 72px 22px 34px;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.25;
  font-weight: 900;
}

.gallery-close {
  position: absolute;
  top: 22px;
  right: 24px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--teal);
  background: #eef8f7;
  border: 1px solid #cfe8e5;
  border-radius: 50%;
  cursor: pointer;
}

.gallery-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(360px, 62%);
  gap: 18px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0 34px 10px;
  cursor: grab;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 143, 128, 0.45) rgba(223, 236, 238, 0.7);
}

.gallery-track.dragging {
  cursor: grabbing;
  scroll-behavior: auto;
  user-select: none;
}

.gallery-track::-webkit-scrollbar {
  height: 10px;
}

.gallery-track::-webkit-scrollbar-track {
  background: rgba(223, 236, 238, 0.7);
  border-radius: 999px;
}

.gallery-track::-webkit-scrollbar-thumb {
  background: rgba(0, 143, 128, 0.45);
  border-radius: 999px;
}

.gallery-slide {
  overflow: hidden;
  background: #e8f2f4;
  border: 1px solid #dbe9ec;
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(31, 68, 76, 0.12);
  scroll-snap-align: start;
}

.gallery-slide img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  pointer-events: none;
}

.gallery-slide strong {
  display: block;
  padding: 15px 18px 17px;
  color: #173337;
  background: #fff;
  font-size: 17px;
  font-weight: 900;
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.video-modal.open {
  display: flex;
}

.video-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 22, 28, 0.68);
  backdrop-filter: blur(6px);
}

.video-panel {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100vw - 80px));
  padding: 24px;
  background: #0d1d22;
  border: 1px solid rgba(167, 221, 224, 0.28);
  border-radius: 10px;
  box-shadow: 0 30px 90px rgba(0, 13, 18, 0.42);
}

.video-panel h2 {
  margin: 0 58px 18px 0;
  color: var(--white);
  font-size: 24px;
  line-height: 1.3;
}

.video-panel video {
  width: 100%;
  max-height: min(68vh, 720px);
  background: #000;
  border-radius: 8px;
}

.video-close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  cursor: pointer;
}

.contact-visual {
  position: relative;
  overflow: hidden;
}

.contact-visual img {
  height: 100%;
  min-height: 150px;
  object-fit: cover;
  object-position: 50% 50%;
}

.site-footer {
  display: grid;
  grid-template-columns: 390px 1fr 230px;
  align-items: center;
  min-height: 64px;
  padding: 0 max(34px, calc((100vw - 1320px) / 2));
  color: rgba(255, 255, 255, 0.8);
  background: var(--footer);
}

.site-footer strong {
  display: block;
  color: var(--white);
  font-size: 21px;
  font-weight: 900;
}

.site-footer p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.45;
  max-width: 360px;
}

.site-footer nav {
  display: flex;
  justify-content: center;
  gap: 23px;
  font-size: 12px;
}

.site-footer a:hover {
  color: var(--white);
}

.footer-contact {
  display: grid;
  justify-items: end;
  gap: 5px;
  color: var(--white);
  font-size: 17px;
  font-weight: 900;
}

.footer-contact span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.article-page {
  background: #f6fafb;
}

.article-header {
  padding: 62px 0 34px;
  background: linear-gradient(180deg, #ffffff 0%, #eef7f8 100%);
  border-bottom: 1px solid var(--line);
}

.article-header-inner,
.article-layout {
  width: min(980px, calc(100vw - 80px));
  margin: 0 auto;
}

.breadcrumb {
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.article-header h1 {
  margin: 18px 0 14px;
  color: var(--ink);
  font-size: 38px;
  line-height: 1.28;
  font-weight: 900;
}

.article-summary {
  margin: 0;
  color: #52646a;
  font-size: 18px;
  line-height: 1.8;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
  color: #75868b;
  font-size: 14px;
}

.article-layout {
  padding: 42px 0 72px;
}

.article-cover {
  overflow: hidden;
  margin: 0 0 34px;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.article-cover img {
  height: 360px;
  object-fit: cover;
}

.article-content {
  padding: 44px 54px;
  background: var(--white);
  border: 1px solid #e3ecef;
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(30, 62, 72, 0.08);
}

.article-content h2 {
  margin: 32px 0 14px;
  color: var(--ink);
  font-size: 25px;
  line-height: 1.35;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content p,
.article-content li {
  color: #4f6066;
  font-size: 17px;
  line-height: 2;
}

.article-content ul {
  padding-left: 22px;
}

.article-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.case-page-hero {
  padding: 72px 0 48px;
  background: linear-gradient(180deg, #ffffff 0%, #eef7f8 100%);
  border-bottom: 1px solid var(--line);
}

.case-page-hero-inner,
.case-page-grid,
.case-detail-layout {
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto;
}

.case-page-hero-inner {
  position: relative;
}

.back-to-cases {
  position: absolute;
  right: 0;
  top: 34px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 18px;
  color: var(--teal);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(0, 143, 128, 0.22);
  border-radius: 7px;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(30, 62, 72, 0.08);
}

.back-to-cases:hover {
  color: var(--white);
  background: var(--teal);
}

.case-page-hero h1 {
  margin: 12px 0;
  color: var(--ink);
  font-size: 42px;
  font-weight: 900;
}

.case-page-hero p {
  max-width: 720px;
  margin: 0;
  color: #52646a;
  font-size: 17px;
  line-height: 1.85;
}

.case-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 48px 0 32px;
}

.case-page-grid:last-child {
  padding-bottom: 72px;
}

.news-pagination {
  width: min(1320px, calc(100vw - 80px));
  margin: 0 auto 72px;
}

.news-pagination > ul.page-numbers {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-pagination a.page-numbers,
.news-pagination span.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  padding: 8px 13px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid #d8e6e9;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.news-pagination a.page-numbers:hover,
.news-pagination a.page-numbers:focus-visible,
.news-pagination span.page-numbers.current {
  color: var(--white);
  background: var(--teal);
  border-color: var(--teal);
}

.case-list-card,
.case-page-card {
  position: relative;
  overflow: hidden;
  display: block;
  background: var(--white);
  border: 1px solid #e1ebee;
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(30, 62, 72, 0.08);
}

.case-list-card img,
.case-page-card img {
  height: 238px;
  object-fit: cover;
}

.case-list-card div {
  padding: 22px;
}

.case-list-card span,
.case-page-card > span:not(.play-badge),
.case-detail-meta span {
  display: inline-flex;
  padding: 5px 10px;
  color: var(--teal);
  background: #e8f6f4;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 900;
}

.case-list-card span,
.case-page-card > span:not(.play-badge) {
  margin: 22px 22px 0;
}

.case-list-card h2,
.case-page-card h2 {
  margin: 12px 0 10px;
  padding: 0 22px;
  color: var(--ink);
  font-size: 22px;
}

.case-list-card p,
.case-page-card p {
  margin: 0;
  padding: 0 22px 24px;
  color: #68787d;
  font-size: 14px;
  line-height: 1.8;
}

.case-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 34px;
  padding: 48px 0 72px;
}

.case-detail-main {
  overflow: hidden;
  background: var(--white);
  border: 1px solid #e1ebee;
  border-radius: 8px;
  box-shadow: 0 18px 42px rgba(30, 62, 72, 0.08);
}

.case-detail-main img {
  height: 430px;
  object-fit: cover;
}

.case-detail-content {
  padding: 36px 42px;
}

.case-detail-content h2 {
  margin: 28px 0 12px;
  color: var(--ink);
  font-size: 25px;
}

.case-detail-content h2:first-child {
  margin-top: 0;
}

.case-detail-content p,
.case-detail-content li {
  color: #506168;
  font-size: 16px;
  line-height: 1.95;
}

.case-detail-side {
  align-self: start;
  padding: 26px;
  background: var(--white);
  border: 1px solid #e1ebee;
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(30, 62, 72, 0.08);
}

.case-detail-side h3 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 22px;
}

.case-detail-side p {
  color: #66777d;
  line-height: 1.8;
}

.case-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

@keyframes iconFloat {
  0%,
  100% {
    transform: translateY(0);
    box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.82), 0 0 0 rgba(0, 143, 128, 0);
  }
  50% {
    transform: translateY(-7px);
    box-shadow: inset 0 0 0 6px rgba(255, 255, 255, 0.82), 0 10px 24px rgba(0, 143, 128, 0.16);
  }
}

@media (min-width: 1500px) {
  .hero-inner,
  .section-title,
  .service-grid,
  .about-inner,
  .case-strip,
  .process-row,
  .news-grid {
    width: 1360px;
    max-width: 1360px;
  }

  .site-footer {
    padding-left: calc((100vw - 1360px) / 2);
    padding-right: calc((100vw - 1360px) / 2);
  }
}

@media (max-width: 1360px) {
  .site-header {
    padding: 0 28px;
    grid-template-columns: 150px minmax(0, 1fr) auto;
  }

  .desktop-nav {
    gap: 18px;
    font-size: 13px;
  }

  .brand {
    font-size: 22px;
  }

  .phone-pill {
    padding: 0 14px;
  }

  .wechat-pill {
    padding: 0 18px;
  }

  .contact-copy {
    padding-left: 34px;
  }
}

@media (max-width: 1120px) {
  .desktop-nav,
  .phone-pill,
  .wechat-pill {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    height: 70px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-nav.open {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    padding: 1px;
    background: var(--line);
  }

  .mobile-nav a {
    padding: 15px 20px;
    background: var(--white);
    font-weight: 800;
  }

  .hero-inner,
  .section-title,
  .service-grid,
  .about-inner,
  .case-strip,
  .process-row,
  .news-grid {
    width: calc(100vw - 48px);
  }

  .service-grid,
  .case-strip,
  .process-row,
  .news-grid,
  .about-inner,
  .contact,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .service-grid article + article {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .about-gallery,
  .contact-cards {
    grid-template-columns: 1fr 1fr;
  }

  .process-row article:not(:last-child)::after {
    display: none;
  }

  .contact-copy {
    padding: 42px 24px;
  }

  .site-footer {
    gap: 24px;
    padding: 28px 24px;
  }

  .case-strip-secondary {
    transform: none;
  }

  .footer-contact {
    justify-items: start;
  }

  .gallery-modal {
    padding: 28px;
  }

  .gallery-panel {
    width: 100%;
  }

  .gallery-track {
    grid-auto-columns: 78%;
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 0 18px;
  }

  .brand {
    font-size: 22px;
  }

  .hero {
    min-height: 620px;
  }

  .hero-bg {
    object-position: 64% 50%;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.86) 62%, rgba(255, 255, 255, 0.45) 100%);
  }

  .hero-inner {
    width: calc(100vw - 36px);
    padding: 56px 0;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero p {
    font-size: 15px;
    line-height: 1.85;
  }

  .hero-actions,
  .proof-tags,
  .about-gallery,
  .factory-stack,
  .contact-cards,
  .site-footer nav {
    display: grid;
    grid-template-columns: 1fr;
  }

  .primary-button,
  .secondary-button,
  .plain-link,
  .more-button,
  .contact-card {
    width: 100%;
  }

  .section {
    padding: 42px 0;
  }

  .section-title h2,
  .about-copy h2,
  .contact-copy h2 {
    font-size: 28px;
  }

  .about,
  .about-inner {
    padding-top: 42px;
    padding-bottom: 42px;
  }

  .certificate-card,
  .factory-stack figure,
  .case-card,
  .case-card img {
    min-height: 230px;
  }

  .news-list .news-item,
  .news-side .news-item {
    grid-template-columns: 96px 1fr;
  }

  .contact-card {
    min-height: 126px;
  }

  .contact-visual img {
    min-height: 220px;
  }

  .article-header-inner,
  .article-layout,
  .case-page-hero-inner,
  .case-page-grid,
  .news-pagination,
  .case-detail-layout {
    width: calc(100vw - 36px);
  }

  .case-page-grid,
  .case-detail-layout {
    grid-template-columns: 1fr;
  }

  .case-page-hero h1 {
    font-size: 32px;
  }

  .back-to-cases {
    position: static;
    margin-top: 22px;
  }

  .case-detail-main img,
  .case-list-card img {
    height: 230px;
  }

  .gallery-modal {
    padding: 18px;
  }

  .gallery-panel {
    padding: 22px 0 24px;
  }

  .gallery-panel h2 {
    margin: 0 64px 18px 22px;
    font-size: 22px;
  }

  .gallery-close {
    top: 16px;
    right: 18px;
    width: 38px;
    height: 38px;
  }

  .gallery-track {
    grid-auto-columns: 88%;
    gap: 14px;
    padding: 0 22px 10px;
  }

  .gallery-slide img {
    height: 340px;
  }

  .case-detail-content {
    padding: 28px 22px;
  }

  .article-header h1 {
    font-size: 30px;
  }

  .article-cover img {
    height: 230px;
  }

  .article-content {
    padding: 30px 22px;
  }

  .reception-sign {
    top: 48px;
    left: 34px;
  }

  .site-footer nav {
    gap: 12px;
  }
}