*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #fff;
  line-height: 1.6;
  background: #292826;
}

a {
  color: #FFC107;
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #ffd13d;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 4px;
}

.section-title.left {
  text-align: left;
}

.section-title-en {
  font-size: 0.8rem;
  font-weight: 400;
  color: #FFC107;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
}

.title-sq {
  display: inline-block;
  width: 6px;
  height: 20px;
  background: #FFC107;
  vertical-align: middle;
  margin-right: 8px;
  border-radius: 2px;
}

/* ============================================
   导航
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: url('../images/未标题-2_03.png') center / cover no-repeat;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.15);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 70px;
  gap: 16px;
}

.nav-brand,
.nav-logo,
.nav-brand-name {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-btn {
  display: inline-block;
  padding: 8px 16px;
  font-size: 1rem;
  color: #1a1a1a;
  font-weight: 500;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}

.nav-btn:hover {
  color: #FFC107;
  background: rgba(255, 255, 255, 0.2);
}

.nav-btn.active {
  color: #fff;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.25);
}

.nav-cta {
  display: inline-block;
  padding: 8px 20px;
  background: #FFC107;
  color: #1a1a1a;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.2s, transform 0.2s;
}

.nav-cta:hover {
  background: #ffd13d;
  transform: translateY(-1px);
  color: #1a1a1a;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #1a1a1a;
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 70px;
  background: url('../图片/图片/网站背景图/网站背景图8.10/06.png') center / cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  pointer-events: none;
  z-index: 1;
}

.hero-silhouette {
  display: none;
}

.hero-dots {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 3;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: block;
}

.dot-yellow {
  background: #FFC107;
}

.dot-white {
  background: rgba(255,255,255,0.5);
}

.hero-inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
}

.hero-copy {
  max-width: 60%;
  position: relative;
  padding-left: 5%;
}

.hero-en {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 28px;
  max-width: 90%;
  white-space: nowrap;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 0;
  max-width: 80%;
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.hero-highlight {
  display: block;
  width: 25%;
  max-width: 200px;
  height: 28px;
  background: rgba(255,193,7,0.35);
  margin-top: -22px;
  margin-bottom: 28px;
  position: relative;
  z-index: 0;
}

.hero-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 36px;
  max-width: 70%;
  white-space: nowrap;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-yellow-capsule {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  background: #FFC107;
  color: #1a1a1a;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 999px;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(255,193,7,0.3);
  white-space: nowrap;
}

.btn-yellow-capsule:hover {
  background: #ffd13d;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,193,7,0.4);
  color: #1a1a1a;
}

.btn-yellow-capsule .arrow {
  font-size: 0.7rem;
  color: #1a1a1a;
}

.hero-stats-bar {
  position: relative;
  z-index: 2;
  padding: 16px 5% 16px 0;
}

.hero-stats {
  display: flex;
  gap: 32px;
  justify-content: flex-end;
  flex-wrap: wrap;
  padding-right: 5%;
}

.hero-stat {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  -webkit-font-smoothing: antialiased;
}

.stat-label {
  display: block;
  font-size: 0.7rem;
  color: #FFC107;
  margin-top: 2px;
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   首页三大业务入口
   ============================================ */

.entry {
  background: #fff;
  min-height: 100vh;
}
.entry .section-title {
  color: #1a1a1a;
}
.entry .section-desc {
  color: rgba(0, 0, 0, 0.6);
}
.entry .entry-card h3 {
  color: #1a1a1a;
}
.entry .entry-card ul li {
  color: rgba(0, 0, 0, 0.7);
}
.entry .entry-more {
  color: #FFC107;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.entry-card {
  display: block;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,193,7,0.15);
  border-radius: 16px;
  padding: 32px 28px;
  transition: all 0.3s;
  text-decoration: none;
}

.entry-card:hover {
  border-color: #FFC107;
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(255,193,7,0.15);
}

.entry-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.entry-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.entry-card ul {
  list-style: none;
  margin-bottom: 16px;
}

.entry-card ul li {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  padding: 4px 0;
}

.entry-card ul li::before {
  content: "· ";
  color: #FFC107;
  font-weight: 700;
}

.entry-more {
  font-size: 0.88rem;
  color: #FFC107;
  font-weight: 600;
}

/* ============================================
   通用按钮（子页面）
   ============================================ */

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  text-align: center;
  text-decoration: none;
}

.btn-orange {
  background: #FFC107;
  color: #1B1B1B;
}

.btn-orange:hover {
  background: #ffd13d;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,193,7,0.3);
  color: #1B1B1B;
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}

.btn-gray {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.2);
}

.btn-gray:hover {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

.btn-gray-soft {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.12);
}

.btn-gray-soft:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

/* ============================================
   二屏：公司简介（首页）
   ============================================ */

.section.profile {
  padding: 0;
  background: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.section.profile .section-title {
  color: #1a1a1a;
}
.section.profile .section-title-en {
  color: #FFC107;
}
.section.profile .section-desc {
  color: rgba(0, 0, 0, 0.6);
}
.section.profile .profile-text p {
  color: rgba(0, 0, 0, 0.85);
}
.section.profile .profile-text strong {
  color: #FFC107;
}

.section.profile.business-intro {
  background: #fff;
  position: relative;
 overflow-x: hidden;
  width: 100%;}
.section.profile.business-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../图片/图片/网站背景图/网站背景图8.10/07.png') center / cover no-repeat;
  opacity: 0.7;
  z-index: 0;
  pointer-events: none;
}
.section.profile.business-intro .profile-img {
  display: none;
}
.section.profile.business-intro .profile-text {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}
.section.profile.business-intro .section-title,
.section.profile.business-intro .section-title-en,
.section.profile.business-intro .profile-text p,
.section.profile.business-intro .profile-quote {
  color: #1a1a1a;
}
.section.profile.business-intro .profile-text strong {
  color: #FFC107;
}
.section.profile.business-intro > .container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 4vw 2vw;}

.about-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 8%;
}

.about-img {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
  width: 20%;
  flex-shrink: 0;
}

.about-img img {
  width: 100%;
  display: block;
  border-radius: 12px;
}

.about-text {
  width: 30%;
  flex-shrink: 0;
}

.about-title-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 16px;
}

.about-title {
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: #1a1a1a;
  position: relative;
  z-index: 1;
}

.about-title-underline {
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 2em;
  height: 0.5em;
  background: rgba(245,166,35,0.35);
  z-index: 0;
}

.about-title-en {
  font-size: 0.75rem;
  font-weight: 400;
  color: #999;
  letter-spacing: 0.15em;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 20px;
}

.about-desc {
  font-size: 1rem;
  color: #555;
  line-height: 1.9;
  margin-bottom: 14px;
  width: 100%;
}

.about-desc strong {
  color: #F5A623;
  font-weight: 700;
}

.about-highlight {
  margin-top: 20px;
  font-size: 0.95rem;
  color: #F5A623;
  font-weight: 600;
}

/* ============================================
   三屏：业务介绍（首页）
   ============================================ */

.services-section {
  padding: 0;
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('e:/工作文件/壳课学术/壳课学术/壳课服务/图片/图片/网站背景图/网站背景图8.10/07.png') center / contain no-repeat;
  overflow: hidden;
}

.services-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.88);
  pointer-events: none;
  z-index: 0;
}

.services-section > .container {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 40px 24px;
}

.services-bg {
  display: none;
}

.section-title-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 8px;
}

.section-title-left {
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 900;
  color: #1a1a1a;
  text-align: left;
  position: relative;
  z-index: 1;
}

.section-title-underline {
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 2em;
  height: 0.5em;
  background: rgba(245,166,35,0.35);
  z-index: 0;
}

.title-underline-left {
  display: block;
  width: 20%;
  max-width: 80px;
  height: 4px;
  background: #F5A623;
  border-radius: 2px;
  margin-top: 8px;
  margin-bottom: 8px;
}

.section-title-en-left {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 400;
  color: #999;
  letter-spacing: 0.15em;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 40px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  min-height: 50vh;
  align-items: stretch;
}
.service-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 20vw);
  grid-template-rows: auto 1fr;
  gap: 3vw;
  justify-content: center;
  align-items: stretch;
  min-width: 0;
  padding: 0 2vw;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.service-cards-grid .service-card {
  min-height: 50vh;
}

.business-intro-title {
  grid-column: 1 / -1;
  margin-bottom: 1.5vw;
  text-align: left;
}
.business-intro-title .section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: #1a1a1a;
  margin-bottom: 0.3em;
  text-align: left;
}
.business-intro-title .section-title-en {
  font-size: 0.85rem;
  color: #FFC107;
  margin-top: 0;
  text-align: left;
}

@media (max-width: 1100px) {
  .service-cards-grid {
    grid-template-columns: repeat(3, 24vw);
    gap: 2vw;
  }
}
@media (max-width: 900px) {
  .service-cards-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
  .business-intro-title {
    text-align: center;
    margin-bottom: 2vw;
  }
  .business-intro-title .section-title {
    text-align: center;
  }
  .business-intro-title .section-title-en {
    text-align: center;
  }
}
.service-card {
  background: #fff;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.service-card-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: #1a1a1a;
  margin-bottom: 4px;
  margin-top: 15px;
  text-align: center;
}

.service-card-en {
    font-size: 0.9rem;
  font-weight: 400;
  color: #999;
  letter-spacing: 0.08em;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 12px;
  margin-top: 8px;
  text-align: center;
}

.service-card-list {
  list-style: none;
  padding: 0;
  text-align: center;
  width: 80%;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

.service-card-list li {
  font-size: 1.15rem;
  font-weight: 500;
  color: #333;
  line-height: 2.4;
  text-align: center;
}

.service-card-list li::before {
  content: "·";
  color: #F5A623;
  font-weight: 700;
  margin-right: 8px;
}

.service-card-line {
  width: 20%;
  height: 3px;
  background: #FFC107;
  border-radius: 2px;
  margin: 8px auto 12px;
  flex-shrink: 0;
}
.service-card-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFC107;
  text-decoration: none;
  transition: color .2s;
}
.service-card-link:hover {
  color: #E6AE06;
}
/* ============================================
   公司简介（子页面）
   ============================================ */

.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 32px;
}

.profile-img img {
  border-radius: 12px;
  width: 100%;
}

.grayscale {
  filter: grayscale(100%);
  transition: filter 0.3s;
}

.grayscale:hover {
  filter: grayscale(0%);
}

.profile-text p {
  font-size: 1rem;
  color: rgba(0, 0, 0, 0.85);
  line-height: 1.9;
  margin-bottom: 16px;
}

.profile-text strong {
  color: #FFC107;
  font-weight: 700;
}

/* ============================================
   业务总览
   ============================================ */

.biz-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,193,7,0.15);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 24px;
}

.biz-head {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.biz-no {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 900;
  color: #FFC107;
  line-height: 1;
}

.biz-head h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin: 0;
}

.biz-en {
  font-size: 0.8rem;
  color: #FFC107;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  letter-spacing: 0.1em;
}

.biz-detail {
  margin-left: auto;
  font-size: 0.88rem;
  color: #FFC107;
  font-weight: 600;
  white-space: nowrap;
}

.biz-detail:hover {
  color: #fff;
}

.biz-info {
  padding: 24px 28px;
}

.biz-feature {
  margin-bottom: 20px;
}

.biz-feature h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFC107;
  margin-bottom: 6px;
}

.biz-feature p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

.biz-feature li {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
  margin-bottom: 4px;
}

.biz-list {
  list-style: none;
  padding: 0;
}

.biz-list li::before {
  content: "· ";
  color: #FFC107;
  font-weight: 700;
}

.biz-stats {
  display: flex;
  gap: 32px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.biz-stat {
  text-align: center;
}

.biz-stat b {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: #FFC107;
  line-height: 1.2;
}

.biz-stat span {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

/* ============================================
   服务详情
   ============================================ */

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
}

.detail-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,193,7,0.15);
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 24px;
}

.detail-h {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  border-left: 4px solid #FFC107;
  padding-left: 16px;
  margin-bottom: 20px;
}

.detail-sub {
  font-size: 1rem;
  font-weight: 700;
  color: #FFC107;
  margin-bottom: 12px;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
}

.detail-block p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 12px;
}

.detail-block strong {
  color: #FFC107;
  font-weight: 700;
}

.detail-cover {
  background: rgba(255,193,7,0.1);
  border-left: 4px solid #FFC107;
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin-top: 16px;
}

.cover-list {
  margin-top: 12px;
}

.cover-list ul {
  list-style: none;
  padding: 0;
}

.cover-list li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
}

.cover-list li::before {
  content: "✓ ";
  color: #FFC107;
  font-weight: 700;
}

.advantage-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.adv-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,193,7,0.15);
  border-radius: 12px;
  padding: 20px;
}

.adv-item strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.adv-item span {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

.pick-line {
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  margin: 32px 0;
}

.service-promise {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,193,7,0.18);
  border-radius: 12px;
  padding: 20px 28px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
  margin-top: 24px;
}

.service-promise strong {
  color: #FFC107;
  font-weight: 700;
}

.convert {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.convert span {
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
}

.flow-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.flow-table th {
  background: rgba(255,193,7,0.12);
  color: #FFC107;
  font-size: 0.88rem;
  font-weight: 700;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,193,7,0.2);
}

.flow-table td {
  padding: 12px 16px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.9);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.flow-table td:first-child {
  font-weight: 700;
  color: #FFC107;
  white-space: nowrap;
}

.flow-table tr:nth-child(even) td {
  background: rgba(255,255,255,0.02);
}

/* ============================================
   师资团队
   ============================================ */

.faculty-lead {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 32px;
}

.faculty-lead strong {
  color: #FFC107;
  font-weight: 700;
}

.faculty-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.faculty-table th {
  background: rgba(255,193,7,0.12);
  color: #FFC107;
  font-size: 0.88rem;
  font-weight: 700;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255,193,7,0.2);
}

.faculty-table td {
  padding: 13px 18px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.9);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.faculty-table td:first-child {
  font-weight: 700;
  color: #fff;
}

.faculty-table tr:nth-child(even) td {
  background: rgba(255,255,255,0.03);
}

/* ============================================
   案例中心
   ============================================ */

.cases-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  margin-top: 32px;
}

.cases-sidenav {
  position: sticky;
  top: 86px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 12px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  padding: 20px 12px 20px 20px;
}

.cases-sidenav::-webkit-scrollbar {
  width: 4px;
}

.cases-sidenav::-webkit-scrollbar-track {
  background: transparent;
}

.cases-sidenav::-webkit-scrollbar-thumb {
  background: rgba(255,193,7,0.3);
  border-radius: 2px;
}

.cases-sidenav ul {
  list-style: none;
  padding: 0;
}

.sidenav-item {
  margin-bottom: 8px;
}

.sidenav-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 700;
  color: #1a1a1a;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.sidenav-main:hover {
  background: rgba(255,193,7,0.1);
  color: #FFC107;
}

.sidenav-count {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: #292826;
  border-radius: 999px;
  line-height: 1.4;
}

.sidenav-subs {
  padding-left: 16px;
  max-height: 2000px;
  overflow: hidden;
  transition: max-height 0.3s;
}

.sidenav-item.collapsed .sidenav-subs {
  max-height: 0;
}

.sidenav-sub {
  display: block;
  padding: 6px 12px;
  font-size: 0.82rem;
  color: #555;
  border-radius: 6px;
  margin: 2px 0;
  transition: color 0.2s, background 0.2s;
}

.sidenav-sub:hover,
.sidenav-sub.active {
  color: #FFC107;
  background: rgba(255,193,7,0.08);
}

.sidenav-cases {
  padding-left: 12px;
}

.sidenav-case {
  display: block;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: #888;
  border-radius: 4px;
  margin: 1px 0;
  transition: color 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidenav-case:hover,
.sidenav-case.active {
  color: #FFC107;
}

.cases-content {
  min-width: 0;
}

.case-section {
  margin-bottom: 24px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  overflow: hidden;
}

.case-section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 18px 24px;
  background: #fafafa;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  color: #1a1a1a;
  text-align: left;
}

.case-section-head:hover {
  background: #f5f5f5;
}

.case-section-title-wrap {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
}

.case-section-title {
  position: relative;
  z-index: 2;
  font-size: 2.5rem;
  font-weight: 900;
  color: #1a1a1a;
  line-height: 1.1;
}

.case-section-title-en {
  position: absolute;
  top: -0.8em;
  left: 0;
  z-index: 1;
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(0, 0, 0, 0.06);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.case-section-meta {
  display: inline-block;
  padding: 0;
  font-size: 0.85rem;
  font-weight: 500;
  color: #888;
  background: transparent;
  border-radius: 0;
  line-height: 1.4;
  margin-top: 8px;
}

.case-section-arrow {
  margin-left: auto;
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #1a1a1a;
  transition: transform 0.3s;
}

.case-section.collapsed .case-section-arrow {
  transform: rotate(-90deg);
}

.case-section-body {
  padding: 24px;
}

.case-section.collapsed .case-section-body {
  display: none;
}

.case-section-summary {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 20px;
  padding: 0 4px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.case-sub {
  margin-bottom: 24px;
}

.case-sub-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a1a;
  padding: 0;
  background: transparent;
  border-radius: 0;
  margin-bottom: 16px;
  position: relative;
}

.case-sub-title::after {
  content: "";
  position: absolute;
  bottom: -14px;
  left: 0;
  width: 30px;
  height: 3px;
  background: #FFC107;
  border-radius: 2px;
}

.case-sub-ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 1.2em;
  background: #FFF8E1;
  border: 4px solid #FFC107;
  border-radius: 8px;
}

.case-sub-count {
  margin-left: auto;
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: #1a1a1a;
  background: #fff;
  border-radius: 999px;
  line-height: 1.4;
}

.case-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.case-card:hover {
  border-color: #FFC107;
  box-shadow: 0 4px 20px rgba(255,193,7,0.1);
}

.case-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 16px;
  line-height: 1.4;
}

.case-fields {
  font-size: 0.88rem;
  line-height: 1.7;
}

.case-fields dt {
  font-weight: 700;
  color: #FFC107;
  margin-top: 12px;
  margin-bottom: 4px;
  padding: 4px 10px;
  border-radius: 4px;
}

.case-fields dt:nth-of-type(3),
.case-fields dt:nth-of-type(4) {
  background: #FFF8E1;
  color: #E6AE06;
}

.case-fields dt:first-child {
  margin-top: 0;
}

.case-fields dd {
  color: #333;
  margin-left: 0;
  margin-bottom: 4px;
}

.case-imgs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.case-img-wrap {
  flex: 0 0 auto;
  max-width: 200px;
}

.case-img-wrap img {
  border-radius: 8px;
  width: 100%;
  cursor: pointer;
  transition: transform 0.2s;
}

.case-img-wrap img:hover {
  transform: scale(1.02);
}

.paper-case {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
}

.paper-case-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.paper-case-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #FFC107;
  color: #1B1B1B;
  font-size: 0.75rem;
  font-weight: 800;
  border-radius: 6px;
  letter-spacing: 0.05em;
}

.paper-case-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a1a1a;
}

.paper-case-lead {
  font-size: 0.92rem;
  color: #555;
  font-style: italic;
  margin-bottom: 16px;
}

.paper-modules {
  display: grid;
  gap: 16px;
}

.paper-mod {
  background: #f8f8f8;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 16px;
}

.paper-mod-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFC107;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.paper-mod-ico {
  font-size: 1.1em;
}

.paper-mod p {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.7;
  margin-bottom: 8px;
}

.paper-imgs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.paper-img-wrap {
  flex: 0 0 auto;
}

.paper-img {
  border-radius: 8px;
  max-width: 300px;
  cursor: pointer;
  transition: transform 0.2s;
}

.paper-img:hover {
  transform: scale(1.02);
}

/* ============================================
   联系咨询
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 32px;
}

.contact-qr,
.contact-loc {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,193,7,0.15);
  border-radius: 16px;
  padding: 28px 32px;
}

.qr-box {
  text-align: center;
}

.qr-box img {
  border-radius: 8px;
  margin-bottom: 12px;
}

.loc-item {
  margin-bottom: 20px;
}

.loc-item p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

.privacy {
  margin-top: 32px;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
}

.privacy p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ============================================
   底部
   ============================================ */

.footer {
  position: relative;
  background: url('../图片/图片/网站背景图/网站背景图8.10/05.png') center / cover no-repeat;
  overflow: hidden;
  padding: 60px 0 40px;
}

.footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  pointer-events: none;
}

.footer-silhouette {
  display: none;
}

.footer-skyline {
  display: none;
}

.footer-inner {
  position: relative;
  text-align: center;
  padding: 40px 24px 0;
}

.footer-logo-circle {
  width: 5vw;
  min-width: 48px;
  max-width: 72px;
  aspect-ratio: 1/1;
  border-radius: 50%;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(255,193,7,0.3);
}

.footer .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand-ico {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.footer-brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
}

.footer-slogan {
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 800;
  color: #FFC107;
  margin-bottom: 8px;
}

.footer-slogan-en {
  font-size: 0.6rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  margin-bottom: 32px;
}

.footer-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-info-item {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-info-item a {
  color: rgba(255,255,255,0.5);
}

.footer-info-item a:hover {
  color: #FFC107;
}

.info-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: #FFC107;
  border-radius: 50%;
  flex-shrink: 0;
}

.footer-premline {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.footer-premline a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}

.footer-premline a:hover {
  color: #FFC107;
}

.footer-contact {
  margin-bottom: 24px;
}

.footer-contact p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

.footer-icp a {
  color: rgba(255,255,255,0.35);
}

.footer-icp a:hover {
  color: #FFC107;
}

/* ============================================
   悬浮咨询按钮
   ============================================ */

.float-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: #FFC107;
  color: #1B1B1B;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(255,193,7,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.float-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,193,7,0.5);
  color: #1B1B1B;
}

.fb-icon {
  font-size: 1.2em;
}

/* ============================================
   灯箱
   ============================================ */

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 28px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
  line-height: 1;
}

.lightbox-stage {
  position: relative;
  max-width: 85vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 8px;
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.3);
}

.lightbox-prev { left: -60px; }
.lightbox-next { right: -60px; }

/* ============================================
   响应式
   ============================================ */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .cases-layout {
    grid-template-columns: 200px 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 20px;
    gap: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-btn {
    width: 100%;
    text-align: center;
    margin: 0;
  }

  .nav-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-copy {
    max-width: 80%;
  }

  .hero-en {
    max-width: 60%;
  }

  .hero-subtitle {
    max-width: 60%;
  }

  .hero-highlight {
    width: 70%;
    height: 24px;
    margin-top: -20px;
  }

  .hero-stats {
    width: 80%;
    margin-right: 16px;
  }

  .hero-dots {
    display: none;
  }

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

  .about-img {
    margin-bottom: 24px;
  }

  .about-img img {
    aspect-ratio: 4/3;
  }

  .about-desc {
    width: 100%;
  }

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

  .title-underline-center {
    width: 60%;
  }

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

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

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

  .cases-layout {
    grid-template-columns: 1fr;
  }

  .cases-sidenav {
    position: static;
    max-height: none;
    display: none;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.6rem;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .hero-cta-group .btn {
    width: 100%;
  }
}