/* ================= 变量 ================= */
/* ================= 基础重置 ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Noto Sans SC', sans-serif;
  color: #1f2937;
  background: #fff;
  font-size: 16px;
  line-height: 1.5;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
button {
  border: none;
  background: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}
input {
  border: none;
  outline: none;
  font: inherit;
}
.serif {
  font-family: 'Noto Serif SC', serif;
}
/* ================= 布局 ================= */
.container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 0 24px;
}
/* 页面整体限宽 (超宽屏居中, topbar/hero 等全宽区块也限宽) */
body {
  max-width: 1920px;
  margin: 0 auto;
}
/* ================= 顶部导航 ================= */
.topbar {
  background: #e60012;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar .topbar-inner {
  height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-cbct {
  flex-shrink: 0;
  line-height: 1;
}
.logo-cbct .logo-main {
  color: #fff;
  font: italic 900 42px 'Arial Black', Arial, sans-serif;
  letter-spacing: -1px;
}
.logo-cbct .logo-main sup {
  font-size: 14px;
  font-style: normal;
}
.logo-cbct .logo-sub {
  color: rgba(255, 255, 255, 0.95);
  font-size: 13px;
  letter-spacing: 0.35em;
  margin-top: 6px;
  font-weight: 500;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  color: #fff;
  font-size: 17px;
  font-weight: 500;
  padding: 6px 2px;
  transition: opacity 0.25s;
}
.nav-link:hover {
  opacity: 0.85;
}
.nav-link.active {
  border-bottom: 3px solid #fff;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.search-pill {
  background: rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  transition: background 0.25s;
  display: flex;
  align-items: center;
  width: 210px;
  padding: 8px 8px 8px 20px;
}
.search-pill input {
  background: transparent;
  color: #fff;
  font-size: 14px;
  width: 100%;
}
.search-pill input::placeholder {
  color: rgba(255, 255, 255, 0.85);
}
.search-pill .search-btn {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: #e60012;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.search-pill:focus-within {
  background: rgba(255, 255, 255, 0.95);
}
.search-pill:focus-within input {
  color: #333;
}
.search-pill:focus-within input::placeholder {
  color: #999;
}
.wechat-link {
  color: #fff;
  font-size: 26px;
}
.wechat-link:hover {
  opacity: 0.8;
}
.menu-toggle {
  display: none;
  color: #fff;
  font-size: 24px;
}
/* ================= 首屏 Hero（背景视频 + 品牌文字） ================= */
.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 62% 90% at 32% 58%, #2b6bff 0%, #0f46d8 28%, #07309f 52%, #041c6e 72%, #02104a 88%, #010a33 100%);
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero .hero-inner {
  height: 44vw;
  max-height: 820px;
  min-height: 430px;
  display: flex;
  align-items: center;
  gap: 96px;
}
.hero-alibaba {
  flex-shrink: 0;
  padding-left: 64px;
}
.hero-alibaba .en {
  color: #fff;
  font: italic 900 58px Arial, sans-serif;
  line-height: 1;
}
.hero-alibaba .cn {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-top: 12px;
  letter-spacing: 0.05em;
}
.hero-slogan h2 {
  color: #fff;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.4;
}
.hero-slogan h1 {
  color: #fff;
  font-size: 66px;
  font-weight: 900;
  line-height: 1.2;
  margin-top: 8px;
  letter-spacing: 0.06em;
}
.hero-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
}
.hero-dot {
  width: 13px;
  height: 13px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: all 0.3s;
}
.hero-dot.active {
  background: #e60012;
  border-color: #e60012;
}
/* ================= 通用区块 ================= */
.section {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.sec-head {
  text-align: center;
  position: relative;
}
.sec-en {
  color: #9aa3ad;
  font-size: 16px;
  letter-spacing: 0.18em;
  font-weight: 500;
}
.sec-cn {
  color: #111;
  font-size: 36px;
  font-weight: 800;
  margin-top: 6px;
}
.more-link {
  color: #e60012;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  position: absolute;
  right: 0;
  top: 8px;
  display: none;
}
.more-link:hover {
  text-decoration: underline;
}
/* 区块底纹（设计底纹.png — 透明底浅灰纹理） */
.map-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: url('/static/images/texture.png') center/cover no-repeat;
}
/* ================= 服务案例 ================= */
.case-tabs {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 36px 0 40px;
}
.case-tabs .tabs-inner {
  display: flex;
  gap: 12px;
}
.case-tab {
  padding: 7px 26px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 600;
  color: #333;
  transition: all 0.25s;
}
.case-tab:hover {
  color: #e60012;
}
.case-tab.active {
  background: #e60012;
  color: #fff;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.case-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 500/378;
  display: block;
  /* 卡片通用元素 */
}
.case-card .inner {
  position: absolute;
  inset: 0;
  transition: transform 0.5s ease;
}
.case-card:hover .inner {
  transform: scale(1.05);
}
.case-card .tag {
  position: absolute;
  top: 28px;
  left: 28px;
  font-weight: 700;
  font-size: 18px;
  z-index: 2;
}
.case-card .tag small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: #888;
  margin-top: 2px;
}
.case-card .center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
  z-index: 2;
}
/* 卡片 1：西洋参 */
.card-xys .inner {
  background: linear-gradient(120deg, #f8f3e2 0%, #f1e7c6 55%, #e8d9a8 100%);
}
.card-xys .tag {
  color: #8a6d2f;
  font-family: 'Noto Serif SC', serif;
}
.card-xys .tag em {
  color: #e60012;
  font-size: 14px;
  font-style: normal;
  vertical-align: top;
}
.card-xys .t1 {
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 46px;
  line-height: 1.2;
}
.card-xys .t1 .gold {
  color: #a8873c;
}
.card-xys .t1 .red {
  color: #e60012;
}
.card-xys .t2 {
  color: #a8873c;
  font-weight: 900;
  font-size: 30px;
  margin-top: 4px;
}
.card-xys .t3 {
  color: #8b8574;
  font-size: 18px;
  margin-top: 8px;
  letter-spacing: 0.3em;
}
.card-xys .deco {
  position: absolute;
  bottom: 20px;
  right: 24px;
  font-size: 80px;
  line-height: 1;
  opacity: 0.25;
}
/* 卡片 2：永州之野 */
.card-yz .inner {
  background: linear-gradient(135deg, #37a653 0%, #1e8340 60%, #0f6a30 100%);
}
.card-yz .t1 {
  font-family: 'Noto Serif SC', serif;
  color: #fff;
  font-weight: 900;
  font-size: 54px;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.card-yz .t2 {
  color: #fff;
  font-weight: 700;
  font-size: 20px;
  margin-top: 12px;
  letter-spacing: 0.2em;
}
.card-yz .t3 {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  margin-top: 12px;
}
/* 卡片 3：蒲城酥梨 */
.card-pl .inner {
  background: linear-gradient(135deg, #fdfbf2 0%, #f4efdc 45%, #e9f0c8 100%);
}
.card-pl .tag {
  color: #3f7d2c;
}
.card-pl .pear-a {
  position: absolute;
  right: -40px;
  bottom: -48px;
  width: 224px;
  height: 224px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #f7e26b, #d9c53f 70%);
}
.card-pl .pear-b {
  position: absolute;
  right: 96px;
  top: 32px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  opacity: 0.8;
  background: radial-gradient(circle at 35% 30%, #f9ec8a, #e0cf4e 70%);
}
.card-pl .body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 40px;
  z-index: 2;
}
.card-pl .t1 {
  color: #4d8f34;
  font-weight: 700;
  font-size: 26px;
}
.card-pl .t2 {
  font-family: 'Noto Serif SC', serif;
  color: #e60012;
  font-weight: 900;
  font-size: 46px;
  margin-top: 8px;
}
/* 卡片 4：广西山茶油 */
.card-gx .inner {
  background: linear-gradient(160deg, #e9f6f2 0%, #c9e8dd 45%, #8fc9b6 100%);
}
.card-gx .tag {
  color: #2c6e50;
}
.card-gx .fade-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 96px;
  background: linear-gradient(transparent, rgba(46, 125, 90, 0.35));
}
.card-gx .name {
  position: absolute;
  bottom: 40px;
  left: 32px;
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 44px;
  color: #17352a;
  z-index: 2;
}
.card-gx .figure {
  position: absolute;
  bottom: 24px;
  right: 32px;
  width: 96px;
  height: 128px;
  border-radius: 48px 48px 0 0;
  background: linear-gradient(#d4594b, #a83a30);
}
/* 卡片 5：榆林尚农 */
.card-yl .inner {
  background: linear-gradient(170deg, #f6efdd 0%, #efe3c4 50%, #e3cf9f 100%);
}
.card-yl .tag {
  color: #7a5c26;
}
.card-yl .t1 {
  font-weight: 900;
  font-size: 34px;
  line-height: 1.35;
}
.card-yl .t1 .dark {
  color: #3c352a;
}
.card-yl .t1 .red {
  color: #e60012;
}
.card-yl .t2 {
  color: #6d6152;
  font-weight: 700;
  margin-top: 12px;
}
.card-yl .t3 {
  color: #6d6152;
  font-size: 14px;
  margin-top: 4px;
}
.card-yl .stripes {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  opacity: 0.5;
  background: repeating-linear-gradient(90deg, #c9b078 0 30px, #bfa668 30px 60px);
}
/* 卡片 6：阜丰集团 */
.card-ff .inner {
  background: linear-gradient(150deg, #eef8e2 0%, #d9efc2 50%, #b3dd96 100%);
}
.card-ff .tag {
  color: #3c7027;
}
.card-ff .body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  padding-right: 36px;
  text-align: right;
  z-index: 2;
}
.card-ff .t1 {
  color: #2f6b1f;
  font-weight: 900;
  font-size: 28px;
  line-height: 1.35;
}
.card-ff .t1 .gold {
  color: #c98a1b;
}
.card-ff .t2 {
  color: #c98a1b;
  font-weight: 700;
  letter-spacing: 0.22em;
  margin-top: 12px;
  font-size: 14px;
}
.card-ff .boxes {
  position: absolute;
  bottom: 24px;
  left: 32px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.card-ff .boxes i {
  display: block;
  width: 36px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}
.card-ff .boxes i:nth-child(1) {
  height: 64px;
}
.card-ff .boxes i:nth-child(2) {
  height: 80px;
  background: rgba(63, 143, 53, 0.8);
}
.card-ff .boxes i:nth-child(3) {
  height: 56px;
}
/* ================= 新闻动态 ================= */
.news-section {
  background: #f4f6f9;
}
.news-section .map-bg {
  color: #e8ecf1;
}
.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
  position: relative;
}
.news-feature {
  display: block;
}
.news-feature .img {
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
  background: linear-gradient(150deg, #5b8def 0%, #3b5fd9 45%, #7a4fd0 100%);
  transition: transform 0.5s;
}
.news-feature:hover .img {
  transform: scale(1.03);
}
.news-feature .podium {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 62%;
  height: 34%;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(#8a5cd6, #6a3fb8);
}
.news-feature .speaker {
  position: absolute;
  bottom: 34%;
  left: 50%;
  transform: translateX(-50%);
  width: 64px;
  height: 96px;
  border-radius: 32px 32px 0 0;
  background: #22315e;
}
.news-feature .org {
  position: absolute;
  bottom: 32px;
  left: 18%;
  right: 18%;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.7);
  font-size: 10px;
  font-weight: 700;
}
.news-feature .body {
  background: #fff;
  padding: 32px;
}
.news-feature h3 {
  color: #e60012;
  font-weight: 700;
  font-size: 21px;
  line-height: 1.45;
}
.news-feature p {
  color: #6b7280;
  font-size: 15px;
  line-height: 1.7;
  margin-top: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.news-item {
  background: #fff;
  padding: 30px 34px;
  transition: box-shadow 0.3s;
  display: block;
  flex: 1;
}
.news-item:hover {
  box-shadow: 0 10px 30px rgba(15, 40, 90, 0.1);
}
.news-item:hover h3 {
  color: #e60012;
}
.news-item h3 {
  font-weight: 700;
  font-size: 19px;
  color: #111;
  transition: color 0.25s;
}
.news-item .excerpt {
  color: #6b7280;
  font-size: 14.5px;
  line-height: 1.7;
  margin-top: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-item .meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 16px;
}
.news-item .date {
  color: #9ca3af;
  font-size: 15px;
}
.news-item .more {
  color: #e60012;
  font-size: 15px;
  font-weight: 500;
}
/* ================= 关于我们 ================= */
.about-section {
  padding: 96px 0;
}
.about-section .map-bg {
  color: #eceff3;
}
.about-headline {
  font-size: 26px;
  color: #374151;
  font-weight: 500;
  margin-top: 40px;
}
.about-sub {
  font-size: 19px;
  color: #6b7280;
  margin-top: 12px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 64px 0 80px;
  position: relative;
}
.stat {
  text-align: center;
  padding: 16px 0;
}
.stat + .stat {
  border-left: 1px solid #e5e7eb;
}
.stat-num {
  color: #e60012;
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -1px;
  /* + / 年 等后缀: 右上角小字 (不在脚下) */
}
.stat-num small {
  font-size: 30px;
  font-weight: 800;
  vertical-align: super;
  margin-left: 2px;
}
.stat-label {
  color: #6b7280;
  font-size: 17px;
  margin-top: 12px;
}
/* 关于我们: 客户图标条跑马灯 (整体图, 向左无限循环) */
.clients-marquee {
  overflow: hidden;
  margin-top: 44px;
  border-radius: 8px;
}
.clients-track {
  display: flex;
  width: max-content;
  animation: clients-scroll 36s linear infinite;
}
.clients-track img {
  height: 220px;
  width: auto;
  display: block;
}
.clients-marquee:hover .clients-track {
  animation-play-state: paused;
}
@keyframes clients-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
.logo-wall {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 16px;
  position: relative;
}
.logo-cell {
  background: #fff;
  border: 1px solid #eef1f4;
  box-shadow: 0 2px 8px rgba(20, 40, 80, 0.04);
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-weight: 700;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: all 0.3s;
  padding: 0 8px;
  text-align: center;
}
.logo-cell:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: translateY(-2px);
}
.logo-cell small {
  font-size: 11px;
  color: #777;
  font-weight: 400;
}
/* ================= 理论体系 ================= */
.theory-section {
  background: radial-gradient(ellipse 120% 100% at 50% 0%, #e4232c 0%, #d11a23 45%, #b8121c 100%);
  padding: 96px 0;
}
.theory-section .sec-en {
  color: rgba(255, 255, 255, 0.75);
}
.theory-section .sec-cn {
  color: #fff;
}
.theory-section .more-link {
  color: #fff;
}
.theory-arcs {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: url('/static/images/texture.png') center/cover no-repeat;
  opacity: 0.25;
}
.theory-wrap {
  position: relative;
  margin-top: 64px;
}
.theory-arrow {
  position: absolute;
  top: 38%;
  z-index: 10;
  width: 52px;
  height: 76px;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.25s;
}
.theory-arrow:hover {
  background: rgba(255, 255, 255, 0.35);
}
.theory-arrow.prev {
  left: -8px;
}
.theory-arrow.next {
  right: -8px;
}
.books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 64px;
}
.book {
  display: block;
  width: 218px;
  height: 302px;
  position: relative;
  box-shadow: 18px 22px 40px rgba(60, 0, 0, 0.45);
  transition: transform 0.3s;
  margin: 0 auto;
}
.book:hover {
  transform: scale(1.05);
}
.book .cover {
  position: absolute;
  inset: 0;
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.book .cover-top {
  font-size: 10px;
  letter-spacing: 0.15em;
}
.book .cover-mid {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.book .cover-bottom {
  text-align: center;
  font-size: 11px;
}
.book-1 {
  background: linear-gradient(150deg, #fdfaf2 0%, #f3ecd8 100%);
}
.book-1 .cover-top {
  color: #8a6d2f;
}
.book-1 .v-title {
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 40px;
  color: #8a6d2f;
  line-height: 1.2;
  writing-mode: vertical-rl;
}
.book-1 .coin {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #b99b58;
  margin: 0 auto;
}
.book-2 {
  background: linear-gradient(150deg, #3d2c22 0%, #241a13 100%);
}
.book-2 .cover-top {
  color: rgba(255, 255, 255, 0.5);
}
.book-2 .v-title {
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 44px;
  color: #d8b56a;
  line-height: 1.2;
  writing-mode: vertical-rl;
}
.book-2 .cover-bottom {
  color: rgba(255, 255, 255, 0.4);
}
.book-3 {
  background: linear-gradient(150deg, #f4f4f4 0%, #e2e2e2 100%);
}
.book-3 .cover-top {
  color: #888;
  font-style: italic;
  font-size: 11px;
}
.book-3 .v-dark {
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 30px;
  color: #1d1d1d;
  line-height: 1.2;
  writing-mode: vertical-rl;
}
.book-3 .v-red {
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 36px;
  color: #e60012;
  line-height: 1.2;
  writing-mode: vertical-rl;
}
.book-3 .cover-bottom {
  color: #888;
}
.book-info h3 {
  color: #fff;
  font-weight: 700;
  font-size: 19px;
  line-height: 1.45;
  margin-top: 40px;
}
.book-info p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14.5px;
  line-height: 1.7;
  margin-top: 16px;
}
.book-info .detail {
  display: inline-block;
  color: #fff;
  font-weight: 500;
  margin-top: 20px;
}
.book-info .detail i {
  font-size: 12px;
  margin-left: 2px;
}
.book-info .detail:hover {
  text-decoration: underline;
}
/* ================= 页脚 ================= */
.footer {
  background: #2c3a49;
  padding: 64px 0 48px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.footer-brand .row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}
.footer-brand .en {
  color: #fff;
  font: italic 900 36px 'Arial Black', Arial, sans-serif;
  line-height: 1;
}
.footer-brand .en sup {
  font-size: 12px;
  font-style: normal;
}
.footer-brand .cn {
  color: #fff;
  font-weight: 700;
  font-size: 20px;
}
.footer-brand .slogan {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  letter-spacing: 0.25em;
  margin-top: 8px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
}
.footer-nav a {
  color: #cfd8e0;
  font-size: 16px;
  transition: color 0.25s;
}
.footer-nav a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-top: 36px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #c3cdd7;
  font-size: 15.5px;
  padding: 7px 0;
}
.footer-contact li i {
  width: 18px;
  text-align: center;
  color: #8fa0b0;
}
.footer-contact li a {
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer-contact li a:hover {
  color: #fff;
}
.qr-codes {
  display: flex;
  gap: 40px;
}
.qr-item {
  text-align: center;
}
.qr-item .qr-box {
  width: 110px;
  height: 110px;
  background: #fff;
  padding: 6px;
  border-radius: 2px;
}
.qr-item .qr {
  width: 100%;
  height: 100%;
  display: block;
}
.qr-item .cap {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  margin-top: 8px;
}
/* ================= 响应式 ================= */
@media (min-width: 768px) {
  .more-link {
    display: inline;
  }
}
@media (max-width: 1200px) {
  .hero-alibaba {
    padding-left: 16px;
  }
  .hero .hero-inner {
    gap: 40px;
  }
  .hero-slogan h1 {
    font-size: 52px;
  }
  .hero-slogan h2 {
    font-size: 32px;
  }
}
@media (max-width: 1024px) {
  .main-nav,
  .header-right {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat:nth-child(3) {
    border-left: none;
  }
  /* 关于我们: 客户图标条跑马灯 (整体图, 向左无限循环) */
  .clients-marquee {
    overflow: hidden;
    margin-top: 44px;
    border-radius: 8px;
  }
  .clients-track {
    display: flex;
    width: max-content;
    animation: clients-scroll 36s linear infinite;
  }
  .clients-track img {
    height: 220px;
    width: auto;
    display: block;
  }
  .clients-marquee:hover .clients-track {
    animation-play-state: paused;
  }
  @keyframes clients-scroll {
    from {
      transform: translateX(0);
    }
    to {
      transform: translateX(-50%);
    }
  }
  .logo-wall {
    grid-template-columns: repeat(4, 1fr);
  }
  .books-grid {
    grid-template-columns: 1fr;
  }
  .stat-num {
    font-size: 44px;
  }
  .sec-cn {
    font-size: 28px;
  }
  .theory-arrow.prev {
    left: 0;
  }
  .theory-arrow.next {
    right: 0;
  }
}
@media (max-width: 640px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
  /* 关于我们: 客户图标条跑马灯 (整体图, 向左无限循环) */
  .clients-marquee {
    overflow: hidden;
    margin-top: 44px;
    border-radius: 8px;
  }
  .clients-track {
    display: flex;
    width: max-content;
    animation: clients-scroll 36s linear infinite;
  }
  .clients-track img {
    height: 220px;
    width: auto;
    display: block;
  }
  .clients-marquee:hover .clients-track {
    animation-play-state: paused;
  }
  @keyframes clients-scroll {
    from {
      transform: translateX(0);
    }
    to {
      transform: translateX(-50%);
    }
  }
  .logo-wall {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-top,
  .footer-bottom {
    flex-direction: column;
  }
  .hero-alibaba .en {
    font-size: 34px;
  }
  .hero-alibaba .cn {
    font-size: 20px;
  }
  .hero-slogan h1 {
    font-size: 36px;
  }
  .hero-slogan h2 {
    font-size: 22px;
  }
}
/* ================= 富文本内容前台样式 ================= */
/* 编辑器产出 (quill-resize-module 对齐类 + 通用内容元素)。
   全局生效 — 内容 HTML 不限定在某个容器类下。 */
img,
video,
iframe {
  max-width: 100%;
}
img,
video {
  height: auto;
}
/* 对齐类: 编辑器产出 (image/video/iframe 都可能带) — 全局类, 不带元素前缀 */
.ql-resize-style-left {
  float: left;
  margin: 0 1em 1em 0;
}
.ql-resize-style-center {
  display: block;
  margin: auto;
  text-align: center;
}
.ql-resize-style-right {
  float: right;
  margin: 0 0 1em 1em;
}
.ql-resize-style-full {
  width: 100% !important;
}
pre {
  background: #f6f8fa;
  border-radius: 4px;
  padding: 14px;
  overflow-x: auto;
}
blockquote {
  border-left: 3px solid #e60012;
  padding-left: 16px;
  color: #6b7280;
}
/* ================= 首页区块优化 (模板重构) ================= */
/* 轮播多张切换 */
.hero-slide {
  display: none;
}
.hero-slide.active {
  display: block;
}
/* 案例 tab 原地切换 */
.case-panel {
  display: none;
}
.case-panel.active {
  display: grid;
}
.case-cover {
  width: 100%;
  aspect-ratio: 500/378;
  object-fit: cover;
  display: block;
  border-radius: 4px;
}
.case-cover-placeholder {
  aspect-ratio: 500/378;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, #eef2f7, #dde4ee);
  color: #42526e;
  font-weight: 700;
  font-size: 22px;
  border-radius: 4px;
}
.case-info {
  padding: 14px 4px 0;
}
.case-name {
  font-weight: 700;
  font-size: 17px;
  color: #111;
}
.case-tag {
  color: #6b7280;
  font-size: 13px;
  margin-top: 4px;
}
/* 新闻: 左右同高 (焦点 = 列表等高) */
.news-grid {
  align-items: stretch;
}
.news-feature {
  display: flex;
  flex-direction: column;
}
.news-feature .body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-list {
  height: 100%;
}
/* 理论轮播 */
.books-viewport {
  overflow: hidden;
}
.books-track {
  display: flex;
  transition: transform 0.4s ease;
}
.book-item {
  flex: 0 0 calc(100%/3);
  padding: 0 16px;
  box-sizing: border-box;
}
.book-cover-img {
  width: 100%;
  aspect-ratio: 218/302;
  object-fit: cover;
  border-radius: 4px;
}
.book-cover-placeholder {
  width: 100%;
  aspect-ratio: 218/302;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, #3d2c22, #241a13);
  color: #d8b56a;
  font-family: 'Noto Serif SC', serif;
  font-weight: 900;
  font-size: 28px;
  border-radius: 4px;
  padding: 20px;
  text-align: center;
  writing-mode: vertical-rl;
}
/* logo 墙: 图片模式 */
.logo-cell img {
  display: block;
}
.logo-cell a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
/* 二级 tab 导航 (集团概况等分类页) */
.sub-tabs {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}
.sub-tabs .container {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.sub-tab {
  padding: 14px 22px;
  font-size: 15px;
  color: #42526e;
  border-bottom: 3px solid transparent;
}
.sub-tab:hover {
  color: #e60012;
}
.sub-tab.active {
  color: #e60012;
  border-bottom-color: #e60012;
  font-weight: 600;
}
/* 案例分类页: banner + 纯图片卡 */
.case-banner {
  margin-bottom: 0;
}
.case-card {
  display: block;
  overflow: hidden;
  border-radius: 4px;
}
.case-card .case-cover {
  width: 100%;
  aspect-ratio: 500/378;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}
.case-card:hover .case-cover {
  transform: scale(1.05);
}
/* 分类 banner 轮播 (多图) */
.case-banner {
  position: relative;
  min-height: 320px;
  overflow: hidden;
}
.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s;
  display: none;
}
.banner-slide.active {
  display: block;
  opacity: 1;
  position: relative;
  min-height: 320px;
}
.banner-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 5;
}
.banner-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  cursor: pointer;
}
.banner-dot.active {
  background: #e60012;
  border-color: #e60012;
}