:root {
  --bg: #000000;
  --fg: #ffffff;
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.55);
  --font-sans: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: "Inter", "SF Pro Display", "Segoe UI", sans-serif;
  --ease-out: cubic-bezier(.22,.61,.36,1);
  --ease-inout: cubic-bezier(.4,0,.2,1);
  --topbar-h: 56px;
  --carousel-h: 34vh;
  --brandbar-w: 300px;
  --theme: #ffffff;
  --theme-light: #ffffff;
  --theme-dark: #ffffff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

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

/* 主题色（--line 为品牌竖线的亮色，取自原稿采样） */
body.theme-purple { --theme: #9b53d4; --theme-light: #d8bfef; --theme-dark: #7f44ae; --line: #9b53d4; }
body.theme-gold   { --theme: #f4a211; --theme-light: #f7d9a3; --theme-dark: #c27d0a; --line: #fece00; }
body.theme-green  { --theme: #009245; --theme-light: #d7f8d7; --theme-dark: #006e34; --line: #01ff00; }

/* 顶部导航 */
.topbar {
  height: var(--topbar-h);
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(0,0,0,.78);
  backdrop-filter: blur(10px);height: 100px;
}

.top-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .4px;
  font-size: 15px;
}
.top-brand img { height: 32px; width: auto; display: block; }

.top-nav { display: flex; align-items: center; gap: 8px; }

.top-nav a {
  font-size: 16px;
  padding: 10px 25px;
  border-radius: 999px;
  color: var(--muted2);
  transition: all .25s var(--ease-out);
  white-space: nowrap;font-weight: bold;
}
.top-nav a:hover, .top-nav a.active {
  color: #fff;
  background: var(--theme);
  box-shadow: 0 0 18px color-mix(in srgb, var(--theme) 45%, transparent);
}

.mobile-menu-btn {
  display: none;
  width: 36px; height: 36px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 8px;
  background: transparent;
  color: #fff;
  font-size: 26px;
  cursor: pointer;
}

/* 顶部轮播 */
.carousel {
  position: relative;
  width: 100%;
 
  aspect-ratio: 1920 / 180; 
  overflow: hidden;
  background: #050505;
}

/* 滑动轨道：真实横向位移，一次滚动一张 */
.carousel-track {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-wrap: nowrap;
  transition: transform .85s cubic-bezier(.33, .02, .2, 1);
  will-change: transform;
}
.carousel-track.no-anim { transition: none; }

.carousel-track img {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.carousel-dots {
  position: absolute;
  right: 28px;
  bottom: 22px;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  z-index: 5;
}

.carousel-dots button {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  display: block;
  padding: 0;
  margin: 0;
  width: 9px;
  height: 9px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.2);
  cursor: pointer;
  transition: all .35s var(--ease-out);
}
.carousel-dots button.active,
.carousel-dots button:hover {
  background: #fff;
  border-color: #fff;
  box-shadow: 0 0 10px rgba(255,255,255,.5);
  transform: scale(1.25);
}

.carousel-progress {
  position: absolute;
  bottom: 0; left: 0; height: 3px;
  background: var(--theme);
  width: 0%;
  z-index: 6;
}

/* ================= 布局：品牌栏 + 内容区 ================= */
/* 原稿主体区非满宽：页宽 2281，左右各留白 194px（≈8.5%），内容框 1893px */
.layout {
  display: flex;
  align-items: stretch;
  max-width: 2281px;
  margin: 0 auto;
  padding: 50px clamp(20px, 8.5vw, 194px) 0px;
}

.brandbar {
  width: var(--brandbar-w);
  flex: 0 0 auto;
  background: #000;
  position: relative;
  padding: 44px 28px 44px 0;
}
/* 品牌竖线：高度与左侧品牌栏内容（logo+名称+链接）一致，不贯通整页 */
.brandbar-inner {
  position: sticky;
  top: calc(var(--topbar-h) + 55px);
  padding-left: clamp(22px, 1.75vw, 40px);
}
.brandbar-inner::before {
  content: "";height: 400px;;
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: clamp(7px, 0.55vw, 16px);
  background: var(--line);
  box-shadow: 0 0 18px color-mix(in srgb, var(--line) 55%, transparent);
}
.brand-text { min-width: 0; }
.brand-logo { width: 100%; height: auto; display: block; margin-bottom: 20px; }
.brandbar h1 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin: 0 0 8px;
}


.brandbar .en {
  font-size: 11.5px;
  color: var(--muted2);
  font-family: var(--font-en);
  line-height: 1.55;
  margin: 0 0 24px;
}
.brand-links {
  list-style: none;
  margin: 0;
  padding: 100px 0 0;

  display: flex;
  flex-direction: column;
  gap: 18px;
}
.brand-links strong {
  display: block;
  font-size: 20px;
  color: #9b53d4;
  line-height: 1.4;
  margin-bottom: 2px;
}
.brand-links small {
  font-size: 14px;
  color: #c8a0e7;
  font-family: var(--font-en);
  line-height: 1.5;
}

/* 内容区 */
.content {
  flex: 1 1 auto;
  min-width: 0;
  padding: 12px 0 72px 48px;
}

.sec {
  display: grid;
  /* 原稿栅格：左列 402 / 间隙 134 / 右列 768（内容框 1304） */
  grid-template-columns: minmax(530px, 402fr) 768fr;
  gap: 10.3%;
  padding: 0;
  border-top: 1px solid rgba(255,255,255,.07);
  align-items: start;
}
.sec:first-child { border-top: none; }

/* 整宽小节（标题在上、图形通栏在下，如 p2 多模态/提供服务） */
.sec-full { display: block; }
.sec-full .sec-fig { margin-top: clamp(20px, 2.2vw, 34px); }

.sec-text h2 {
  font-size: 26px;
  font-weight: 900;
  color: #12d812;
  line-height: 1.3;
  margin: 0 0 5px;
}
.sec-text .sub {
  display: block;
  font-size: 20px;
  color: #c8a0e7;
  font-family: var(--font-en);
  line-height: 1.5;
  margin-bottom: 16px;
}
.sec-text p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.9;
  margin: 0 0 12px;
  text-align: justify;
}
.sec-fig { min-width: 0; }

.two-col-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.two-col-text p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.9;
  margin: 0;
  text-align: justify;
}

/* ================= 图形元素 ================= */
/* 通用圆 */
.circle {
  border-radius: 50%;
  background: var(--cbg);
  color: var(--cfg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.circle:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 10px 28px rgba(0,0,0,.5);
}
.circle b { font-weight: 800; line-height: 1.25; }
.circle i { font-style: normal; font-family: var(--font-en); line-height: 1.3; margin-top: 3px; }

/* p2 九宫格圆（4/3/2 交错排布） */
.circles9 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 8px 0;
}
.circles9 .c-row { display: flex; gap: 14px; justify-content: center; }
.circles9 .circle { width: 8rem; height: 8rem; }
.circles9 .circle b { font-size: 1.5rem; }
.circles9 .circle i { font-size: 1rem; }

/* p2 四大圆（原稿：4 圆均布通栏，直径≈内容宽 15.8%） */
.big-circles {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 14px;
  container-type: inline-size;
  padding: 12px 0;
}
.big-circles .circle {
  width: max(15.8cqw, 104px);
  height: max(15.8cqw, 104px);
}
.big-circles .circle b { font-size: clamp(14px, 2.1cqw, 30px); }
.big-circles .circle i { font-size:16px; max-width: 82%; }

/* p2 服务卡片（原稿：2x2 无缝拼接，单卡 664x270） */
.svc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.svc-card {
  position: relative;
  aspect-ratio: 664 / 270;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.svc-card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,.5); }
.svc-card.pic {
  background-size: cover;
  background-position: center;
}
.svc-card.pic::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.62);
}
.svc-card.gray { background: #cccccc; }
.svc-inner { position: relative; z-index: 2; padding: 12px 18px; }
.svc-card b { display: block; font-size: 1rem; font-weight: 900; line-height: 1.35; }
.svc-card i { display: block; font-style: normal; font-family: var(--font-en); font-size: 0.8rem; line-height: 1.45; margin-top: 5px; }
.svc-card.pic b { color: #e8e8e8; }
.svc-card.pic i { color: #c9c9c9; }
.svc-card.gray b { color: #6c6c6c; }
.svc-card.gray i { color: #7a7a7a; }

/* p3 文化量子循环图（原稿比例：圆径=循环图宽 34.8%，列隙 16.7%，行隙 11%） */
.cycle {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  padding: 6px 0;
  container-type: inline-size;
}
.cycle-grid {
  display: grid;
  grid-template-columns: repeat(2, 34.8cqw);
  justify-content: center;
  column-gap: 16.7cqw;
  row-gap: 11cqw;
  position: relative;
  z-index: 2;
}
.qc {
  width: 34.8cqw;
  height: 34.8cqw;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8%;
  transition: transform .3s var(--ease-out);
}
.qc:hover { transform: scale(1.03); }
.qc b { font-size: clamp(11px, 3.7cqw, 24px); font-weight: 800; line-height: 1.3; }
.qc i { font-style: normal; font-family: var(--font-en); font-size: clamp(7.5px, 1.9cqw, 12px); line-height: 1.4; margin-top: 5px; }
.qc.cream { background: #f6e7c9; color: #d99b10; }
.qc.cream i { color: #caa23f; }
.qc.gold { background: #f4a211; color: #fdf0da; }
.qc.gold i { color: #fce9c9; }
.cycle-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  text-align: center;
  color: var(--theme);
  pointer-events: none;
}
.cycle-center b { display: block; font-size: clamp(13px, 3.9cqw, 27px); font-weight: 800; white-space: nowrap; }
.cycle-center i { display: block; font-style: normal; font-family: var(--font-en); font-size: clamp(8px, 2.2cqw, 15px); margin-top: 3px; white-space: nowrap; }
.cycle-arrows {
  position: absolute;
  top: -4cqw;
  bottom: -4cqw;
  left: -2cqw;
  right: -2cqw;
  width: auto;
  height: auto;
  z-index: 1;
  opacity: .95;
  overflow: visible;
}

/* p4 四大领域行（绿箭头 + 浅色格） */
.dom-rows { display: flex; flex-direction: column; gap: 28px; }
.dom-row {     display: flex;
    align-items: center;
    min-height: 69px; }
.dom-arrow {
  flex: 0 0 41.5%;
  background: var(--theme);
  color: #eafff3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 34px 10px 18px;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 50%, calc(100% - 22px) 100%, 0 100%);
}
.dom-cell {
  flex: 1 1 auto;
  background: var(--theme-light);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 10px 18px 10px 50px;
  margin-left: -30px;
}
.dom-row b { font-size: 15px; font-weight: 800; line-height: 1.3; }
.dom-row i { font-style: normal; font-family: var(--font-en); font-size: 0.8rem; line-height: 1.4; margin-top: 2px;     white-space: nowrap;}
.dom-arrow i { color: #bfe9d2; }
.dom-cell b { color: #15803c; }
.dom-cell i { color: #606060; }
.dom-row { transition: transform .25s var(--ease-out); }
.dom-row:hover { transform: translateX(4px); }

/* p4 绿色整行 */
.green-bars { display: flex; flex-direction: column; gap: 24px; }
.green-bar {
  background: var(--theme);
  padding: 22px 26px;
  transition: transform .25s var(--ease-out), background .25s;
}
.green-bar:hover { transform: translateX(4px); background: var(--theme-dark); }
.green-bar b { display: block; font-size: 15px; font-weight: 800; color: #eafff3; line-height: 1.35; }
.green-bar i { display: block; font-style: normal; font-family: var(--font-en); font-size: 11px; color: #bfe9d2; line-height: 1.5; margin-top: 3px; }
.green-bar a:hover b { text-decoration: underline; }

/* p4 浅色整行 */
.light-bars { display: flex; flex-direction: column; gap: 14px; }
.light-bar {
  background: var(--theme-light);
  padding: 16px 20px;
  transition: transform .25s var(--ease-out);
}
.light-bar:hover { transform: translateX(4px); }
.light-bar b { display: block; font-size: 15px; font-weight: 800; color: #15994f; line-height: 1.35; }
.light-bar i { display: block; font-style: normal; font-family: var(--font-en); font-size: 11px; color: #6c7a70; line-height: 1.5; margin-top: 3px; }

/* p4 四国圆 */
.countries {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 8px 0 20px;
}
.country {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background: var(--cbg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.country:hover { transform: translateY(-4px) scale(1.04); box-shadow: 0 10px 26px rgba(0,0,0,.5); }
.country b { font-size: 16px; font-weight: 800; color: var(--cfg); }
.country i { font-style: normal; font-family: var(--font-en); font-size: 10.5px; color: var(--cefg); margin-top: 3px; }

/* p4 合作单位链接 */
.partner-links {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.partner-links a {
  display: block;
  font-size: 16px;
  font-weight: bold;
  color: #009245;
  word-break: break-all;
  line-height: 1.5;
  transition: color .2s;
}
.partner-links a:hover { color: #fff; text-decoration: underline; }
.partner-links small {
  display: block;
  font-size: 11px;
  color: var(--muted2);
  font-family: var(--font-en);
  line-height: 1.5;
  margin-top: 2px;
}

/* 照片与附注 */
.photo {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(255,255,255,.08);
  margin-bottom: 16px;
}
.note-card {
  border-left: 3px solid var(--theme);
  background: rgba(255,255,255,.04);
  padding: 14px 18px;
}
.note-card b { display: block; font-size: 16px; color: #009245; line-height: 1.6; word-break: break-all; }
.note-card a:hover b { color: #fff; text-decoration: underline; }
.note-card i { display: block; font-style: normal; font-size: 11px; color: var(--muted2); font-family: var(--font-en); margin-top: 4px; line-height: 1.5; }

/* 整页滚动条（暗色美化） */
html { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.18) transparent; }
html::-webkit-scrollbar { width: 6px; }
html::-webkit-scrollbar-track { background: transparent; }
html::-webkit-scrollbar-thumb { background: rgba(255,255,255,.18); border-radius: 3px; }
html::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.35); }

/* 入场动画 */
.anim {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: var(--d, 0s);
}
.anim.in { opacity: 1; transform: translateY(0); }

/* ================= 响应式 ================= */
/* 中屏：内容区收窄，图形列换行 */
@media (max-width: 1500px) {
  .content { padding: 12px 0 64px 32px; }
  .sec { grid-template-columns: 1fr; gap: 24px; }

}
@media (max-width: 1600px) {
.circles9 .circle { width: 6rem; height: 6rem; }
.circles9 .circle b {
    font-size: 1.2rem;
}
.circles9 .circle i {
    font-size: 0.8rem;
}
}
/* 平板与手机：垂直堆叠，整页滚动 */
@media (max-width: 900px) {
.brandbar-inner::before {
height:auto;
}
.carousel-dots{
display:none;
}
  .topbar { padding: 0 16px; }
  .top-nav { display: none; }
  .top-nav.open {
    display: flex;
    position: fixed;
    inset: var(--topbar-h) 0 auto;
    background: rgba(0,0,0,.95);
    flex-direction: column;
    padding: 16px;
    gap: 8px;
    border-bottom: 1px solid rgba(255,255,255,.1);
    z-index: 40;

  }
  .mobile-menu-btn { display: block; }
.carousel {
 height: auto;
    min-height: unset;
    max-height: unset;
  aspect-ratio: 1920 / 200;
  }
.carousel-track img {
    object-fit: contain;
    object-position: center center;
  }

  .layout { flex-direction: column; padding: 0; }
  .brandbar {
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 22px 20px;
  }
  .brandbar-inner {         position: static;
        display: flex;
        gap: 16px;
        align-items: flex-start;
        padding-left: 0px;
        flex-direction: column;}
  .brand-text { flex: 1 1 auto; }
  .brand-logo { width: 60%; margin-bottom: 0; flex: 0 0 auto; }
  .brandbar h1 { font-size: 26px; }
  .brandbar .en { margin-bottom: 0; }
  .brand-links {
    border-top: none;
    padding-top: 12px;
    /*flex-direction: row;*/
    flex-wrap: wrap;
    gap: 8px 20px;
  }
.svc-card b{
    font-size: 18px;
}
.svc-card i {
 font-size: 16px;
}
.svc-card{
margin-top: 20px;
}
.big-circles .circle i{
 font-size: 14px;
}


.brand-links strong{
font-size:16px;
}
.brand-links small{
font-size:12px;
}

  .content { padding: 8px 18px 48px; }
  .sec { padding: 28px 0; gap: 20px; }
  .sec-text h2 { font-size: 19px; }
  .sec-text p { font-size: 14px; }
  .two-col-text { grid-template-columns: 1fr; gap: 12px; }
.circles9 .circle { width: 10rem; height: 10rem; }

  .circles9 .circle b { font-size: 24px; }
  .circles9 .circle i { font-size: 18px; }

  .qc b { font-size: clamp(11px, 4.2cqw, 26px); }
  .qc i { font-size: clamp(7px, 1.9cqw, 12px); }

  .country { width: 104px; height: 104px; }
  .country b { font-size: 14px; }
:root {
    --carousel-h: 28vh; /* 平板端高度占比 */
  }
}
@media (max-width: 750px) {
.circles9 .circle {
        width: 6rem;
        height: 6rem;
    }
 .circles9 .circle b {
        font-size: 20px;
    }
.circles9 .circle i {
        font-size: 14px;
    }
}
/* 小手机 */
@media (max-width: 620px) {
  .svc-grid { grid-template-columns: 1fr; }
   

}


@media (max-width: 420px) {
  :root { --carousel-h: 26vh; }
  .brand-logo { width: 100%;}
  .svc-card { aspect-ratio: 664 / 240; }
  .big-circles .circle { width: max(28cqw, 120px); height: max(28cqw, 120px); }

  .circles9 { gap: 10px; }
  .circles9 .c-row { gap: 10px; }
  .dom-arrow { flex: 0 0 46%; padding-left: 14px; }
  .dom-row b { font-size: 13.5px; }
:root {
    --carousel-h: 26vh; /* 手机端高度占比 */
  }
  .carousel {
   aspect-ratio: 1920 / 200;
  }
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}