@import url("./style.css");

/* ===== 首页 Hero 轮播 ===== */
.hero {
  position: relative;
  padding-top: 78px;
  color: var(--white);
  overflow: hidden;
  background: #1d2468;
  animation: fadeIn 1s ease;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.hero-slider {
  position: relative;
}

.hero-slide {
  position: relative;
  display: none;
  overflow: hidden;
}

.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17, 20, 57, 0.72) 0%, rgba(29, 38, 93, 0.46) 30%, rgba(13, 16, 35, 0.12) 62%, rgba(13, 16, 35, 0.06) 100%);
}

.hero-slide.active {
  display: block;
  animation: slideIn 1s ease;
}

@keyframes slideIn {
  0% {
    transform: scale(0.9);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.hero-slide-image {
  width: 100%;
  height: auto;
  display: block;
  transform-origin: center center;
  will-change: transform;
}

.hero-slide-inner {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  padding: 34px 0 72px;
}

.hero-copy {
  max-width: 880px;
}

.hero-copy h1 {
  font-size: clamp(34px, 4.8vw, 56px);
  line-height: 1.22;
  font-weight: 400;
  margin-bottom: 8px;
}

.hero-separator {
  display: block;
  margin-bottom: 18px;
  font-size: 24px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.88);
}

.hero-copy p {
  font-size: 40px;
  line-height: 1.7;
  color: #ffffff;
  max-width: 600px;
  margin-bottom: 30px;
}
.hero-copy h1 {
  font-size: 55px; font-weight: bold;
  
}


.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 158px;
  padding: 10px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: transparent;
  color: #ffffff;
  box-shadow: none;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.hero .btn-primary:hover {
  background: #ffffff;
  color: #252b6c;
  border-color: #ffffff;
  transform: translateY(-1px);
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

.hero-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: width 0.3s ease, border-radius 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.hero-dots button.active {
  width: 26px;
  border-radius: 999px;
  background: #1fe0df;
}

/* ===== 首页 - 案例板块 ===== */
.home-case-section {
  background: #ffffff;
}

.home-case-section .section-title {
  margin-bottom: 34px;
}

.home-case-section .section-title h2 {
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.24;
  color: #222222;
}

.home-case-section .section-title p {
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.9;
  color: #313131;
}

.client-metrics {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0 auto 28px;
  border-top: 1px solid transparent;
}

.client-metric {
  position: relative;
  padding: 10px 18px;
  text-align: center;
  font-size: 18px;
  line-height: 1.35;
  color: #2a2a2a;
}

.client-metric::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 40px;
  background: #e6e6ea;
  transform: translateY(-50%);
}

.client-metric:first-child::before {
  display: none;
}

.client-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.client-shot {
  overflow: hidden;
  background: #f5f5f5;
}

.client-shot img {
  width: 100%;
  object-fit: contain;
  display: block;
}

/* ===== 首页 - 解决方案板块 ===== */
.home-solutions-section {
  background: #ffffff;
}

.home-solutions-section .section-title {
  margin-bottom: 30px;
}

.home-solutions-section .section-title p {
  margin-top: 12px;
  color: #666666;
}

.solutions-wrap {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px 18px;
}

.solution-card {
  min-height: 138px;
  padding: 24px 18px 18px;
  border-radius: 10px;
  border: 1px solid #f1f1f1;
  background: #ffffff;
  box-shadow: 1px 1px 30px 1px #edeaea;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, border-radius 0.25s ease, border-color 0.25s ease;
}

.solution-card:hover,
.solution-card.featured {
  background: #1c1d22;
  color: #ffffff;
  border-color: transparent;
  border-radius: 28px 10px 28px 10px;
  box-shadow: 0 18px 38px rgba(17, 17, 17, 0.12);
}

.solution-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  color: #222222;
}

.solution-icon svg {
  width: 40px;
  height: 40px;
  display: block;
}

.solution-icon svg * {
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.solution-card:hover .solution-icon,
.solution-card.featured .solution-icon {
  color: #ffffff;
}

.solution-card h3 {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
  color: inherit;
}

.solution-card p {
  font-size: 12px;
  line-height: 1.8;
  color: #7d7d7d;
  opacity: 1;
}

.solution-card:hover p,
.solution-card.featured p {
  color: rgba(255, 255, 255, 0.82);
}

/* ===== 首页 - 覆盖图板块 ===== */
.coverage {
  background: #f7f7f7;
}

.coverage-stage {
  position: relative;
  height: 520px;
  /* background: #ffffff; */
  overflow: hidden;
}

.coverage-visual {
  position: absolute;
  inset: 0;
}

.coverage-head {
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  width: min(100%, 680px);
  text-align: center;
  z-index: 3;
}

.coverage-head h2 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  color: #222222;
}

.coverage-head p {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: #6f6f75;
}

.coverage-rings {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.coverage-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid #f0f0f0;
}

.ring-1 { width: 250px; height: 250px; }
.ring-2 { width: 430px; height: 430px; }
.ring-3 { width: 650px; height: 650px; }
.ring-4 { width: 900px; height: 900px; }

.coverage-core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 156px;
  height: 156px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 18px 40px rgba(17, 17, 17, 0.08);
  display: grid;
  place-items: center;
  z-index: 2;
}

.coverage-core img {
  width: 108px;
  height: auto;
  display: block;
}

.coverage-node {
  position: absolute;
  width: 52px;
  height: 52px;
  z-index: 2;
}

.coverage-node img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.n1 { left: 5%; top: 40%; }
.n2 { left: 24%; top: 16%; }
.n3 { left: 20%; top: 46%; }
.n4 { left: 33%; top: 30%; }
.n5 { left: 23%; bottom: 14%; }
.n6 { left: 39%; bottom: 20%; }
.n7 { right: 24%; top: 16%; }
.n8 { right: 33%; top: 30%; }
.n9 { right: 19%; top: 47%; }
.n10 { right: 6%; top: 38%; }
.n11 { right: 23%; bottom: 15%; }
.n12 { right: 7%; bottom: 9%; }
.n13 { right: 35%; bottom: 20%; }

/* ===== 首页 - 需求板块 ===== */
.demand-section {
  background: #ffffff;
}

.demand-section .section-title {
  margin-bottom: 34px;
}

.demand-section .section-title h2 {
  font-size: clamp(30px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.24;
  color: #222222;
}

.demand-section .section-title p {
  margin-top: 16px;
  font-size: 20px;
  line-height: 1.9;
  color: #6f6f75;
}

.demand-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: 0;
  align-items: stretch;
}

.demand-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: #ffffff;
}

.demand-tile {
  aspect-ratio: 1;
  overflow: hidden;
  background: #efefef;
}

.demand-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.demand-form-panel {
  background: #ffffff;
  border: 0;
  padding: 0 0 0 28px;
}

.demand-form-panel h3 {
  font-size: 24px;
  font-weight: 400;
  line-height: 1.35;
  color: #b7b7b7;
  margin-bottom: 28px;
}

.demand-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 12px;
}

.demand-form input,
.demand-form textarea {
  width: 100%;
  border: 1px solid #efefef;
  background: #ffffff;
  color: #555555;
  padding: 0 18px;
  outline: none;
  font-size: 16px;
  box-shadow: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

.demand-form input {
  height: 50px;
}

.demand-form textarea {
  grid-column: 1 / -1;
  min-height: 96px;
  resize: none;
  padding-top: 18px;
  padding-bottom: 18px;
  line-height: 1.8;
}

.demand-form input::placeholder,
.demand-form textarea::placeholder {
  color: #bcbcbc;
}

.demand-form input:focus,
.demand-form textarea:focus {
  border-color: #d8d8d8;
  box-shadow: 0 0 0 3px rgba(17, 17, 17, 0.04);
}

.demand-submit {
  grid-column: 1 / -1;
  height: 56px;
  border: 0;
  background: #1d1f24;
  color: #ffffff;
  padding: 0 20px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.25s ease;
}

.demand-submit:hover {
  background: #111111;
}

.demand-submit:active {
  transform: translateY(1px);
}

/* ===== 首页 - 图示中段新版块 ===== */
.home-service-intro {
  background: #ffffff;
  padding-top: 50px;
  padding-bottom: 30px;
}

.intro-quote {
  position: relative;
  display: block;
  width: 100%;
  margin: 0 auto;
  padding-bottom: 54px;
}

.quote-mark {
  display: block;
  color: #242424;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 70px;
  line-height: 70px;
  font-weight: 700;
}

.quote-mark-end {
  position: absolute;
  right: 0;
  top: 110px;
  margin-left: 0;
}

.intro-copy h2 {
  font-size: clamp(30px, 2.8vw, 36px);
  line-height: 1;
  font-weight: 700;
  color: #222222;
  margin-bottom: 23px;
}

.intro-copy,
.service-feature-card,
.service-feature-card h3,
.service-feature-card p,
.case-gallery-title,
.website-plan-copy {
  min-width: 0;
}

.intro-copy p {
  width: min(685px, 100%);
  max-width: none;
  font-size: 14px;
  line-height: 24px;
  color: #666666;
  overflow-wrap: anywhere;
}

.quote-line {
  position: absolute;
  right: 65px;
  top: 119px;
  width: 300px;
  height: 2px;
  background: #222222;
}

.service-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(22px, 5vw, 82px);
  width: 100%;
  margin: 0 auto;
  padding-bottom: 60px;
  border-bottom: 2px solid #222222;
}

.service-feature-card {
  position: relative;
  min-height: 366px;
  padding: 60px 20px 54px 40px;
  border-radius: 3px;
  background: #ffffff;
  color: #333333;
  cursor: pointer;
  overflow: hidden;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.service-feature-card::after {
  content: "";
  position: absolute;
  left: 40px;
  bottom: 54px;
  width: 0;
  height: 10px;
  opacity: 0;
  background:
    linear-gradient(#ffffff, #ffffff) left 5px / calc(100% - 8px) 1px no-repeat;
  transition: width 0.3s ease, opacity 0.3s ease;
}

.service-feature-card::before {
  content: "";
  position: absolute;
  left: 76px;
  bottom: 57px;
  width: 7px;
  height: 7px;
  border-top: 1px solid #ffffff;
  border-right: 1px solid #ffffff;
  opacity: 0;
  transform: rotate(45deg);
  transition: left 0.3s ease, opacity 0.3s ease;
}

.service-feature-card:hover {
  background: #21abd7;
  transform: translateY(-2px);
}

.service-feature-card:hover::after {
  width: 48px;
  opacity: 1;
}

.service-feature-card:hover::before {
  left: 76px;
  opacity: 1;
}

.service-feature-icon {
  width: 76px;
  height: 100px;
  display: grid;
  place-items: start;
  margin-bottom: 0;
  color: #3c3c3c;
  transition: color 0.3s ease, transform 0.3s ease;
}

.service-feature-icon svg {
  width: 72px;
  height: 72px;
  display: block;
}

.service-feature-icon svg * {
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-feature-card h3 {
  min-height: 72px;
  font-size: 24px;
  line-height: 36px;
  font-weight: 700;
  color: #222222;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.service-feature-card p {
  max-width: none;
  font-size: 14px;
  line-height: 24px;
  color: #666666;
  overflow-wrap: anywhere;
  transition: color 0.3s ease;
}

.service-feature-card:hover .service-feature-icon {
  color: #ffffff;
  transform: translateY(-3px);
}

.service-feature-card:hover h3,
.service-feature-card:hover p {
  color: #ffffff;
}

.case-gallery-section {
  background: #f3f3f3;
  padding-top: 54px;
  padding-bottom: 62px;
}

.case-gallery-title {
  text-align: center;
  margin-bottom: 24px;
}

.case-gallery-title h2 {
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.25;
  font-weight: 400;
  color: #333333;
}

.case-gallery-title p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.8;
  color: #7d7d7d;
}

.case-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-bottom: 24px;
  font-size: 16px;
  color: #777777;
}

.case-tabs a {
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
  transition: color 0.25s ease;
}

.case-tabs a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 1px;
  background: #1d78c8;
  transform: translateX(-50%);
  transition: width 0.25s ease;
}

.case-tabs a:hover,
.case-tabs a.active {
  color: #1d78c8;
}

.case-tabs a:hover::after,
.case-tabs a.active::after {
  width: 100%;
}

.case-mosaic {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: clamp(136px, 11vw, 190px);
  gap: 10px;
  width: 100%;
  margin: 0 auto;
}

.case-tile {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: #dcdcdc;
}

.case-tile-large {
  grid-column: span 2;
  grid-row: span 2;
}

.case-tile-wide {
  grid-column: span 2;
}

.case-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s ease, filter 0.55s ease;
}

.case-tile:hover img {
  transform: scale(1.045);
  filter: saturate(1.04);
}

.website-plan-section {
  background: #ffffff;
  padding-top: 72px;
  padding-bottom: 72px;
}

.website-plan-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, 0.82fr);
  width: 100%;
  min-height: 340px;
  margin: 0 auto;
  overflow: hidden;
  background: #303030;
}

.website-plan-media {
  min-height: 340px;
  overflow: hidden;
}

.website-plan-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.92) brightness(0.56) contrast(1.05);
}

.website-plan-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px 54px 52px;
  color: #ffffff;
}

.website-plan-copy h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 18px;
}

.website-plan-copy p {
  max-width: 420px;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.72);
}

.website-plan-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
  max-width: 430px;
}

.website-plan-tags a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.website-plan-tags a:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

/* ===== 首页 - 新闻板块 ===== */
.home-news-section {
  background: #f7f7f7;
}

.home-news-section .section-title {
  margin-bottom: 26px;
}

.home-news-tabs {
  display: flex;
  justify-content: center;
  gap: 26px;
  margin-top: 14px;
  color: #666666;
  font-size: 15px;
}

.home-news-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 0.9fr) minmax(0, 1.22fr);
  gap: 16px;
  align-items: stretch;
}

.home-news-feature-card,
.home-news-brief-card,
.home-news-list-column {
  background: #ffffff;
  border: 1px solid #f0f0f0;
  cursor: pointer;
}

.home-news-feature-card:hover,
.home-news-brief-card:hover,
.home-news-list-item:hover {
  transform: scale(1.05);
}

.home-news-feature-card:hover h4,
.home-news-brief-card:hover h4,
.home-news-list-item:hover h4 {
  color: #29a3ae;
  font-weight: 700;
}

.home-news-feature-card {
  padding: 20px 16px 16px;
  transition: transform 0.25s ease;
}

.home-news-feature-card h4 {
  font-size: 16px;
  font-weight: 400;
  color: #444444;
  line-height: 1.6;
  margin-bottom: 24px;
}

.home-news-feature-date {
  display: block;
  font-size: 13px;
  color: #aaaaaa;
  margin-bottom: 18px;
}

.home-news-feature-image img {
  width: 100%;
  display: block;
  aspect-ratio: 1;
  object-fit: cover;
}

.home-news-center-column {
  display: grid;
  gap: 14px;
}

.home-news-brief-card {
  padding: 20px 18px 14px;
  display: grid;

  transition: transform 0.25s ease;
}

.home-news-brief-copy h4 {
  font-size: 16px;
  font-weight: 400;
  color: #555555;
  line-height: 1.65;
  margin-bottom: 0px;
}

.home-news-brief-copy p {
  font-size: 13px;
  line-height: 1.85;
  color: #b2b2b2;
  padding-bottom: 3px;
  border-bottom: 1px solid #f0f0f0;
}

.home-news-brief-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
}

.home-news-brief-date strong {
  display: block;
  font-size: 50px;
  line-height: 1;
  font-weight: 500;
  color: #555555;
}

.home-news-brief-date span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: #a6a6a6;
}

.home-news-brief-arrow {
  font-size: 24px;
  line-height: 1;
  color: #b0b0b0;
}

.home-news-list-column {
  padding: 14px 18px;
  display: grid;
}

.home-news-list-item {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: transform 0.25s ease;
}

.home-news-list-item:last-child {
  border-bottom: 0;
}

.home-news-list-date strong {
  display: block;
  font-size: 50px;
  line-height: 1;
  font-weight: 400;
  color: #555555;
}

.home-news-list-date span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: #9f9f9f;
}

.home-news-list-copy h4 {
  font-size: 16px;
  font-weight: 400;
  color: #555555;
  line-height: 1.6;
  margin-bottom: 8px;
}

.home-news-list-copy p {
  font-size: 13px;
  line-height: 1.8;
  color: #b0b0b0;
}

/* ===== 首页响应式 ===== */
@media (max-width: 1100px) {
  .solutions-wrap {
    grid-template-columns: repeat(2, 1fr);
  }

  .client-metrics {
    grid-template-columns: repeat(5, 1fr);
  }

  .client-showcase {
    grid-template-columns: repeat(2, 1fr);
  }

  .demand-layout,
  .home-news-grid {
    grid-template-columns: 1fr;
  }

  .home-news-center-column,
  .home-news-list-column {
    grid-template-columns: 1fr;
  }

  .hero-slide-inner {
    min-height: 360px;
    padding: 28px 0 62px;
  }
}

@media (max-width: 900px) {
  .hero {
    padding-top: 74px;
  }

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

  .hero-copy p {
    max-width: 320px;
  }

  .hero-slide-inner {
    min-height: 320px;
    padding: 24px 0 60px;
  }

  .client-metrics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0;
    max-width: 430px;
    margin-bottom: 24px;
  }

  .client-metric {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 68px;
    padding: 10px 8px;
    font-size: 15px;
    line-height: 1.3;
  }

  .client-metric::before {
    display: none;
  }

  .client-metric:nth-child(1),
  .client-metric:nth-child(2) {
    grid-column: span 3;
    padding-bottom: 14px;
  }

  .client-metric:nth-child(3),
  .client-metric:nth-child(4),
  .client-metric:nth-child(5) {
    grid-column: span 2;
    padding-top: 14px;
  }

  .client-metric:nth-child(2)::before,
  .client-metric:nth-child(4)::before,
  .client-metric:nth-child(5)::before {
    display: block;
    height: 38px;
  }

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

  .coverage-stage {
    height: 430px;
  }

  .coverage-visual {
    inset: 0;
  }

  .coverage-head {
    width: min(100%, 560px);
  }

  .coverage-head p {
    font-size: 13px;
  }

  .ring-1 { width: 210px; height: 210px; }
  .ring-2 { width: 350px; height: 350px; }
  .ring-3 { width: 520px; height: 520px; }
  .ring-4 { width: 720px; height: 720px; }

  .coverage-core {
    width: 124px;
    height: 124px;
  }

  .coverage-core img {
    width: 88px;
  }

  .coverage-node {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 640px) {
  .hero-copy {
    max-width: none;
  }

  .hero-copy h1 {
    font-size: 26px;
    line-height: 1.35;
  }

  .hero-separator {
    margin-bottom: 14px;
    font-size: 18px;
  }

  .hero-copy p {
    font-size: 13px;
    margin-bottom: 20px;
    max-width: 260px;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero .btn-primary {
    min-width: 126px;
    width: auto;
    padding: 9px 22px;
  }

  .hero-slide-inner {
    min-height: 250px;
    padding: 22px 0 50px;
  }

  .hero-dots {
    bottom: 12px;
  }

  .hero-dots button.active {
    width: 22px;
  }

  .solutions-wrap,
  .demand-form {
    grid-template-columns: 1fr;
  }

  .demand-matrix {
    grid-template-columns: repeat(2, 1fr);
  }

  .demand-form-panel {
    padding: 18px 0 0;
  }

  .demand-section .section-title h2 {
    font-size: 24px;
  }

  .demand-section .section-title p {
    font-size: 12px;
    line-height: 1.75;
  }

  .home-case-section .section-title h2 {
    font-size: 24px;
  }

  .home-case-section .section-title p {
    font-size: 12px;
    line-height: 1.75;
  }

  .client-metrics {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    max-width: 430px;
    gap: 0;
  }

  .client-showcase {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .client-metric {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 68px;
    padding: 10px 8px;
    font-size: 15px;
    line-height: 1.3;
  }

  .client-metric::before {
    display: none;
  }

  .client-metric:nth-child(1),
  .client-metric:nth-child(2) {
    grid-column: span 3;
    padding-bottom: 14px;
  }

  .client-metric:nth-child(3),
  .client-metric:nth-child(4),
  .client-metric:nth-child(5) {
    grid-column: span 2;
    padding-top: 14px;
  }

  .client-metric:nth-child(2)::before,
  .client-metric:nth-child(4)::before,
  .client-metric:nth-child(5)::before {
    display: block;
    height: 38px;
  }

  .solution-card {
    min-height: auto;
    padding: 20px 16px;
  }

  .solution-card h3 {
    font-size: 15px;
  }

  .solution-card p {
    font-size: 12px;
  }

  .coverage-stage {
    height: auto;
    overflow: visible;
  }

  .coverage-head {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    width: min(100%, 320px);
    margin: 0 auto 18px;
  }

  .coverage-head p {
    margin-top: 10px;
    font-size: 12px;
    line-height: 1.65;
  }

  .coverage-visual {
    position: relative;
    inset: auto;
    height: 300px;
    overflow: hidden;
  }

  .ring-1 { width: 170px; height: 170px; }
  .ring-2 { width: 280px; height: 280px; }
  .ring-3 { width: 420px; height: 420px; }
  .ring-4 { width: 560px; height: 560px; }

  .coverage-core {
    top: 50%;
    width: 104px;
    height: 104px;
  }

  .coverage-core img {
    width: 72px;
  }

  .coverage-node {
    width: 34px;
    height: 34px;
  }

  .n1 { left: 2%; top: 46%; }
  .n2 { left: 18%; top: 18%; }
  .n3 { left: 13%; top: 48%; }
  .n4 { left: 31%; top: 31%; }
  .n5 { left: 17%; bottom: 16%; }
  .n6 { left: 39%; bottom: 20%; }
  .n7 { right: 18%; top: 18%; }
  .n8 { right: 30%; top: 31%; }
  .n9 { right: 14%; top: 47%; }
  .n10 { right: 2%; top: 42%; }
  .n11 { right: 18%; bottom: 16%; }
  .n12 { right: 2%; bottom: 12%; }
  .n13 { right: 34%; bottom: 20%; }

  .demand-layout {
    gap: 0;
  }

  .demand-matrix {
    grid-template-columns: repeat(2, 1fr);
  }

  .demand-form-panel {
    padding: 16px 0 0;
  }

  .demand-section .section-title {
    margin-bottom: 24px;
  }

  .demand-section .section-title h2 {
    font-size: 24px;
  }

  .demand-section .section-title p {
    font-size: 12px;
    line-height: 1.75;
  }

  .demand-form-panel h3 {
    font-size: 20px;
    margin-bottom: 16px;
  }

  .demand-form input,
  .demand-form textarea,
  .demand-submit {
    font-size: 14px;
  }

  .demand-form input {
    height: 46px;
  }

  .demand-form textarea {
    min-height: 88px;
  }

  .demand-submit {
    height: 50px;
    font-size: 16px;
  }

  .home-news-tabs {
    gap: 14px;
    flex-wrap: wrap;
    font-size: 13px;
  }

  .home-news-grid {
    gap: 14px;
  }

  .home-news-feature-card,
  .home-news-brief-card,
  .home-news-list-column {
    padding-left: 14px;
    padding-right: 14px;
  }

  .home-news-feature-card {
    padding-top: 16px;
    padding-bottom: 14px;
  }

  .home-news-list-item {
    grid-template-columns: 72px 1fr;
    gap: 12px;
    padding: 14px 0;
  }

  .home-news-list-date strong,
  .home-news-brief-date strong {
    font-size: 30px;
  }

  .home-news-brief-card {
    min-height: auto;
  }
}

/* ===== 首页轻量加载动画 ===== */
.header {
  animation: home-header-enter 0.72s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.hero {
  animation: home-hero-fade 0.9s ease both;
}

.hero-dots {
  opacity: 0;
  animation: home-fade-up 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) 0.72s forwards;
}

.hero-slide.active .hero-slide-image {
  animation: hero-image-zoom 5.4s ease-out both;
}

.hero-slide.active .hero-copy h1,
.hero-slide.active .hero-copy .hero-separator,
.hero-slide.active .hero-copy p,
.hero-slide.active .hero-copy .hero-actions {
  opacity: 0;
  animation: home-fade-up 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

.hero-slide.active .hero-copy h1 {
  animation-delay: 0.16s;
}

.hero-slide.active .hero-copy .hero-separator {
  animation-delay: 0.28s;
}

.hero-slide.active .hero-copy p {
  animation-delay: 0.4s;
}

.hero-slide.active .hero-copy .hero-actions {
  animation-delay: 0.52s;
}

.client-shot img,
.home-news-feature-image img {
  transition: transform 0.6s ease;
}

.client-shot:hover img,
.home-news-feature-card:hover .home-news-feature-image img {
  transform: scale(1.05);
}

.coverage-ring {
  animation: coverage-pulse 4.6s ease-in-out infinite;
}

.coverage-ring.ring-2 {
  animation-delay: 0.6s;
}

.coverage-ring.ring-3 {
  animation-delay: 1.2s;
}

.coverage-ring.ring-4 {
  animation-delay: 1.8s;
}

.coverage-node {
  animation: coverage-node-float 4.2s ease-in-out infinite;
}

.coverage-node:nth-child(odd) {
  animation-delay: 0.25s;
}

.coverage-node:nth-child(3n) {
  animation-delay: 0.9s;
}

.coverage-node:nth-child(4n) {
  animation-delay: 1.4s;
}

@keyframes home-header-enter {
  from {
    opacity: 0;
    transform: translateY(-18px);
  }

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

@keyframes home-hero-fade {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes home-fade-up {
  from {
    opacity: 0;
    transform: translate3d(0, 28px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes hero-image-zoom {
  from {
    transform: scale(1.08);
  }

  to {
    transform: scale(1);
  }
}

@keyframes coverage-pulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.88;
  }

  50% {
    transform: translate(-50%, -50%) scale(1.04);
    opacity: 0.56;
  }
}

@keyframes coverage-node-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .header,
  .hero,
  .hero-dots,
  .hero-slide.active .hero-slide-image,
  .hero-slide.active .hero-copy h1,
  .hero-slide.active .hero-copy .hero-separator,
  .hero-slide.active .hero-copy p,
  .hero-slide.active .hero-copy .hero-actions,
  .coverage-ring,
  .coverage-node {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 1100px) {
  .service-feature-grid {
    gap: 30px;
  }

  .service-feature-card {
    min-height: 342px;
    padding: 50px 20px 54px 30px;
  }

  .service-feature-card::after {
    left: 30px;
  }

  .service-feature-card::before,
  .service-feature-card:hover::before {
    left: 66px;
  }

  .service-feature-icon {
    width: 68px;
    height: 88px;
  }

  .service-feature-icon svg {
    width: 64px;
    height: 64px;
  }

  .service-feature-card h3 {
    font-size: 22px;
    line-height: 32px;
    min-height: 64px;
    margin-bottom: 22px;
  }

  .website-plan-panel {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  }
}

@media (max-width: 900px) {
  .intro-quote {
    padding-bottom: 34px;
  }

  .quote-mark {
    font-size: 54px;
    line-height: 54px;
  }

  .quote-mark-end {
    top: 88px;
  }

  .quote-line {
    display: none;
  }

  .service-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 28px;
    margin-top: 10px;
  }

  .case-mosaic {
    grid-auto-rows: clamp(118px, 19vw, 160px);
  }

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

  .website-plan-media {
    min-height: 260px;
  }

  .website-plan-copy {
    padding: 36px 32px 38px;
  }
}

@media (max-width: 640px) {
  .home-service-intro {
    padding-top: 44px;
    padding-bottom: 50px;
  }

  .intro-quote {
    gap: 12px;
    padding-bottom: 30px;
  }

  .quote-mark {
    font-size: 44px;
    line-height: 44px;
  }

  .quote-mark-end {
    display: none;
  }

  .intro-copy h2 {
    font-size: 24px;
    line-height: 1.25;
    margin-bottom: 14px;
  }

  .intro-copy p {
    font-size: 13px;
    line-height: 22px;
  }

  .service-feature-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 42px;
  }

  .service-feature-card {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 0 18px;
    align-items: start;
    min-height: auto;
    padding: 30px 18px 54px;
  }

  .service-feature-card::after {
    left: 108px;
    bottom: 28px;
  }

  .service-feature-card::before,
  .service-feature-card:hover::before {
    left: 144px;
    bottom: 31px;
  }

  .service-feature-icon {
    grid-row: span 2;
    width: 60px;
    height: 64px;
    margin-bottom: 0;
  }

  .service-feature-icon svg {
    width: 54px;
    height: 54px;
  }

  .service-feature-card h3 {
    min-height: 0;
    margin-bottom: 10px;
    font-size: 20px;
    line-height: 28px;
  }

  .service-feature-card p {
    max-width: none;
    font-size: 13px;
    line-height: 22px;
  }

  .case-gallery-section {
    padding-top: 42px;
    padding-bottom: 46px;
  }

  .case-tabs {
    justify-content: center;
    overflow-x: visible;
    flex-wrap: wrap;
    gap: 10px 16px;
    padding-bottom: 0;
  }

  .case-mosaic {
    grid-template-columns: 1fr;
    grid-auto-rows: 188px;
  }

  .case-tile-large,
  .case-tile-wide {
    grid-column: auto;
    grid-row: auto;
  }

  .website-plan-section {
    padding-top: 50px;
    padding-bottom: 50px;
  }

  .website-plan-media {
    min-height: 210px;
  }

  .website-plan-copy {
    padding: 30px 22px 32px;
  }

  .website-plan-tags {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .website-plan-tags a {
    justify-content: flex-start;
    text-align: left;
  }
}