/* ===================================================================
   常州羽汐企业管理咨询有限公司 - 官方网站样式表
   Changzhou Yuxi Enterprise Management Consulting Co., Ltd.
   =================================================================== */

:root {
  /* 品牌核心色彩 - 源自羽汐视觉VI系统 */
  --primary-deep: #07381d;      /* 典雅墨绿 / 页头主基调 */
  --primary-forest: #0a4d26;    /* 经典深森林绿 */
  --primary: #088d3a;           /* 品牌翡翠绿标志色 */
  --primary-light: #10b981;     /* 活力绿高亮 */
  --primary-tint: #ecfdf5;      /* 极浅薄荷背景 */
  --primary-tint-hover: #d1fae5;

  /* 辅助与强调色 */
  --accent-gold: #d97706;       /* 政策红利金 */
  --accent-gold-light: #fef3c7;
  --accent-gold-dark: #b45309;
  --accent-blue: #0284c7;       /* 科技与信息化蓝 */
  --accent-blue-light: #e0f2fe;

  /* 中性色阶 */
  --text-main: #1e293b;         /* 主文本色（深墨灰） */
  --text-muted: #64748b;        /* 次级说明文本 */
  --text-light: #94a3b8;        /* 辅助浅灰 */
  --bg-page: #f8fafc;           /* 页面主浅色背景 */
  --bg-card: #ffffff;           /* 卡片白色背景 */
  --bg-dark: #062b16;           /* 深色底栏与横幅背景 */
  --border-color: #e2e8f0;      /* 分割线与边框 */
  --border-focus: #088d3a;

  /* 阴影与微光效果 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-brand: 0 10px 25px -5px rgba(8, 141, 58, 0.35);

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 动画缓动 */
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置与防溢出 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  position: relative;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  color: var(--text-main);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.desktop-only {
  display: block;
}

.mobile-only {
  display: none;
}

/* ================== 顶部通栏 Top Bar ================== */
.top-bar {
  background: var(--primary-deep);
  color: #a7f3d0;
  font-size: 0.82rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.top-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-item svg {
  width: 13px;
  height: 13px;
  fill: currentColor;
  opacity: 0.85;
  flex-shrink: 0;
}

.top-link {
  color: #ffffff;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.top-link:hover {
  color: #34d399;
}

/* ================== 主导航栏 Navbar ================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
  width: 100%;
}

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary-forest);
  letter-spacing: 0.5px;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.25s ease;
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.mobile-nav-cta {
  display: none;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-call-mobile {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 10px rgba(8, 141, 58, 0.3);
  flex-shrink: 0;
}

/* 按钮基础规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  touch-action: manipulation;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #057a30 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(8, 141, 58, 0.3);
}

.btn-primary:hover, .btn-primary:active {
  background: linear-gradient(135deg, #0ba243 0%, #066b2b 100%);
  box-shadow: 0 6px 20px rgba(8, 141, 58, 0.45);
}

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline:hover, .btn-outline:active {
  background: var(--primary-tint);
  border-color: var(--primary);
  color: var(--primary-forest);
}

.btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.3);
}

.btn-gold:hover, .btn-gold:active {
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.45);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 13px 28px;
  font-size: 1.02rem;
}

.btn-white {
  background: #ffffff;
  color: var(--primary-forest);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-white:hover, .btn-white:active {
  background: #f1f5f9;
  color: var(--primary);
}

/* 汉堡按钮微动画 */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--primary-forest);
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  border-radius: 2px;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 导航遮罩 */
.nav-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
  z-index: 998;
}

.nav-backdrop.open {
  display: block;
}

/* ================== Hero 首屏横幅 ================== */
.hero {
  position: relative;
  background: linear-gradient(145deg, #062b16 0%, #0a4d26 50%, #07381d 100%);
  color: #ffffff;
  padding: 70px 0 85px;
  overflow: hidden;
  width: 100%;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.22) 0%, rgba(16, 185, 129, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(8, 141, 58, 0.18) 0%, rgba(8, 141, 58, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: #6ee7b7;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(1.85rem, 4.5vw, 2.85rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
  word-break: break-word;
}

.hero-title-highlight {
  color: #4ade80;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2.5vw, 1.22rem);
  color: #a7f3d0;
  font-weight: 500;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.hero-desc {
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  max-width: 600px;
  word-break: break-word;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.hero-pill {
  padding: 5px 12px;
  background: rgba(16, 185, 129, 0.18);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: #d1fae5;
  font-weight: 500;
}

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

/* Hero 右侧卡片 */
.hero-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-xl);
  padding: 30px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  box-sizing: border-box;
  width: 100%;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-card-badge {
  background: var(--accent-gold);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.hero-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 22px;
}

.hero-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.hero-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #34d399;
  flex-shrink: 0;
  margin-top: 2px;
}

.hero-feature-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 2px;
}

.hero-feature-text p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.45;
}

.hero-contact-box {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-sizing: border-box;
}

.hero-contact-info {
  display: flex;
  flex-direction: column;
}

.hero-contact-label {
  font-size: 0.75rem;
  color: #94a3b8;
}

.hero-contact-num {
  font-size: 1.15rem;
  font-weight: 700;
  color: #34d399;
  letter-spacing: 0.5px;
}

/* ================== 信任数字条 Stats Bar ================== */
.stats-bar {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  padding: 24px 0;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
  width: 100%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  border-right: 1px solid var(--border-color);
}

.stat-item:last-child {
  border-right: none;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.stat-number {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--primary-forest);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
}

/* ================== 通用 Section 规范 ================== */
.section {
  padding: 75px 0;
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
}

.section-bg-light {
  background-color: #ffffff;
}

.section-bg-gray {
  background-color: var(--bg-page);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 46px;
}

.section-tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--primary-tint);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.4rem, 3.5vw, 2.15rem);
  font-weight: 800;
  color: var(--primary-forest);
  line-height: 1.35;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
  word-break: break-word;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  word-break: break-word;
}

/* ================== 四大核心板块直通卡片 ================== */
.quick-services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card-quick {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card-quick::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card-quick:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: #cbd5e1;
}

.service-card-quick:hover::before {
  transform: scaleX(1);
}

.service-card-quick .icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  transition: var(--transition);
}

.service-card-quick:hover .icon-wrap {
  background: var(--primary);
  color: #ffffff;
}

.service-card-quick h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.service-card-quick p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-link {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ================== 关于羽汐 About Us ================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
}

.about-text h3 {
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 700;
  color: var(--primary-forest);
  margin-bottom: 14px;
  line-height: 1.4;
  word-break: break-word;
}

.about-text p {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 18px;
  word-break: break-word;
}

.about-cta-btns {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.philosophy-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  position: relative;
  transition: var(--transition);
}

.philosophy-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.philosophy-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.philosophy-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-tint);
  padding: 2px 7px;
  border-radius: 4px;
}

.philosophy-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-forest);
}

.philosophy-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* 承诺条 */
.promise-banner {
  background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-forest) 100%);
  border-radius: var(--radius-lg);
  padding: 22px 28px;
  color: #ffffff;
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-lg);
}

.promise-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

.promise-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #34d399;
  flex-shrink: 0;
}

.promise-text h4 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: 3px;
  color: #a7f3d0;
}

.promise-text p {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

/* ================== 主营业务详细服务 (Tab系统) ================== */
.service-tabs-wrapper {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.service-tab-scroll-wrap {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  margin-bottom: 28px;
  scrollbar-width: none;
  box-sizing: border-box;
}

.service-tab-scroll-wrap::-webkit-scrollbar {
  display: none;
}

.service-tab-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  min-width: max-content;
  padding: 0 4px;
}

.service-tab-btn {
  padding: 11px 22px;
  border-radius: var(--radius-full);
  font-size: 0.94rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--text-main);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  touch-action: manipulation;
  flex-shrink: 0;
}

.service-tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.service-tab-btn.active {
  background: var(--primary-forest);
  border-color: var(--primary-forest);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(10, 77, 38, 0.35);
}

.service-tab-btn .tab-badge {
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background: var(--primary-tint);
  color: var(--primary);
}

.service-tab-btn.active .tab-badge {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.service-tab-panel {
  display: none;
  animation: fadeIn 0.35s ease;
  width: 100%;
}

.service-tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 业务详情卡片网格 */
.items-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
}

.detail-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.detail-card:hover {
  border-color: #86efac;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.detail-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-color);
}

.detail-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-forest);
  display: flex;
  align-items: center;
  gap: 7px;
}

.detail-card-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  background: #f1f5f9;
  color: #475569;
}

.detail-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
  flex-grow: 1;
}

.detail-tag {
  background: var(--bg-page);
  border: 1px solid #e2e8f0;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.81rem;
  color: #334155;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.detail-tag:hover {
  background: var(--primary-tint);
  border-color: #86efac;
  color: var(--primary-forest);
}

.detail-tag.highlight {
  background: #fef3c7;
  border-color: #fde68a;
  color: #92400e;
  font-weight: 600;
}

.detail-card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.detail-desc-text {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* 部门筛选标签 */
.dept-filter-scroll-wrap {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
  margin-bottom: 24px;
  scrollbar-width: none;
  box-sizing: border-box;
}

.dept-filter-scroll-wrap::-webkit-scrollbar {
  display: none;
}

.dept-filter-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  min-width: max-content;
  padding: 0 4px;
}

.dept-pill {
  padding: 6px 15px;
  border-radius: var(--radius-full);
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  touch-action: manipulation;
  flex-shrink: 0;
}

.dept-pill:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

.dept-pill.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
}

/* ================== 为什么选择羽汐 (4大优势) ================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.why-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px 22px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: #86efac;
  box-shadow: var(--shadow-xl);
}

.why-number {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 2rem;
  font-weight: 900;
  color: #f1f5f9;
  line-height: 1;
  user-select: none;
  z-index: 1;
}

.why-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  position: relative;
  z-index: 2;
  transition: var(--transition);
}

.why-card:hover .why-icon {
  background: var(--primary);
  color: #ffffff;
  transform: scale(1.08);
}

.why-card h3 {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--primary-forest);
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}

.why-card p {
  font-size: 0.88rem;
  color: #475569;
  line-height: 1.65;
  position: relative;
  z-index: 2;
}

/* ================== 服务流程 (7步闭环) ================== */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
  position: relative;
  margin-top: 18px;
}

.process-step {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 12px;
  text-align: center;
  position: relative;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.process-step:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.step-num-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-forest);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  box-shadow: 0 4px 10px rgba(10, 77, 38, 0.25);
  flex-shrink: 0;
}

.step-text-wrap h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 5px;
}

.step-text-wrap p {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.process-slogan-bar {
  text-align: center;
  margin-top: 36px;
  padding: 16px 20px;
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px dashed var(--primary);
}

.process-slogan-bar p {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-forest);
}

/* ================== 智能自测器 ================== */
.assessment-section {
  background: linear-gradient(135deg, #0a4d26 0%, #07381d 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 50px 40px;
  margin: 30px auto;
  box-shadow: var(--shadow-xl);
  width: 100%;
}

.assessment-inner {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 40px;
  align-items: center;
}

.assessment-info h3 {
  font-size: clamp(1.4rem, 3.5vw, 2.1rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  color: #ffffff;
}

.assessment-info p {
  font-size: 0.95rem;
  color: #a7f3d0;
  line-height: 1.7;
  margin-bottom: 22px;
}

.assessment-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 26px;
}

.assessment-bullet {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: #e2e8f0;
}

.assessment-bullet svg {
  color: #34d399;
  flex-shrink: 0;
}

/* 测算表单 */
.assessment-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  color: var(--text-main);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  width: 100%;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-main);
  background-color: #ffffff;
  transition: var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11.5l-5-5h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(8, 141, 58, 0.15);
}

.calc-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.calc-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}

.calc-checkbox-label:hover {
  background: var(--primary-tint);
  border-color: #86efac;
}

.calc-checkbox-label input[type="checkbox"] {
  accent-color: var(--primary);
}

/* 测算结果 */
.assessment-result {
  margin-top: 18px;
  padding: 14px;
  background: var(--primary-tint);
  border: 1px solid #86efac;
  border-radius: var(--radius-md);
  display: none;
}

.assessment-result.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.result-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary-forest);
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.result-tag {
  background: #ffffff;
  border: 1px solid #bbf7d0;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.76rem;
  color: var(--primary-forest);
  font-weight: 600;
}

/* ================== 联系我们与二维码展示 (Contact Section) ================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
}

.contact-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 3px;
}

.contact-info-text p, .contact-info-text a {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.5;
  word-break: break-word;
}

.contact-info-text a:hover {
  color: var(--primary);
}

.teachers-badge {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.teacher-pill {
  background: #f1f5f9;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: #334155;
  font-weight: 500;
}

.contact-form-wrap {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

/* 二维码卡片 */
.qr-card {
  background: linear-gradient(145deg, #0a4d26 0%, #062b16 100%);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  color: #ffffff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.qr-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #ffffff;
}

.qr-card p {
  font-size: 0.84rem;
  color: #a7f3d0;
  margin-bottom: 20px;
}

.qr-image-wrap {
  background: #ffffff;
  padding: 10px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  margin-bottom: 14px;
  display: inline-block;
}

.qr-image-wrap img {
  width: 160px;
  height: 160px;
  display: block;
}

.qr-tip {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ================== 页脚 Footer ================== */
.footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 55px 0 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  width: 100%;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: #94a3b8;
  margin-bottom: 18px;
  word-break: break-word;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 6px;
}

.footer-col h5::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-link {
  font-size: 0.84rem;
  color: #94a3b8;
}

.footer-link:hover {
  color: #34d399;
  padding-left: 4px;
}

.footer-bottom {
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.8rem;
  word-break: break-word;
}

.footer-disclaimer {
  color: #64748b;
  font-size: 0.78rem;
  line-height: 1.5;
}

/* ================== 移动端底部吸底操作栏 ================== */
.mobile-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  max-width: 100vw;
  height: 56px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  z-index: 1500;
  display: none;
  grid-template-columns: repeat(4, 1fr);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
}

.m-bar-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 0;
  touch-action: manipulation;
}

.m-bar-btn svg {
  color: var(--text-muted);
}

.m-bar-btn.active, .m-bar-btn:active {
  color: var(--primary);
}

.m-bar-btn.active svg, .m-bar-btn:active svg {
  color: var(--primary);
}

.m-bar-btn-call {
  color: var(--primary-forest);
  font-weight: 700;
}

.m-bar-btn-call svg {
  color: var(--primary);
}

.m-bar-btn-primary {
  color: var(--primary);
  font-weight: 700;
}

.m-bar-btn-primary svg {
  color: var(--primary);
}

/* ================== 悬浮快捷工具栏 ================== */
.floating-toolbar {
  position: fixed;
  right: 18px;
  bottom: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.float-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--primary-forest);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  touch-action: manipulation;
}

.float-btn:hover, .float-btn:active {
  background: var(--primary-forest);
  color: #ffffff;
}

.float-btn.float-backtop {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.float-btn.float-backtop.visible {
  opacity: 1;
  visibility: visible;
}

.float-qr-popup {
  position: absolute;
  right: 56px;
  bottom: 0;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
  border: 1px solid var(--border-color);
  width: 170px;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateX(10px);
  transition: var(--transition);
  pointer-events: none;
}

.float-btn:hover .float-qr-popup {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.float-qr-popup img {
  width: 140px;
  height: 140px;
  margin: 0 auto 6px;
}

.float-qr-popup span {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
}

/* ================== 弹窗 (Modal) ================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 28px 22px;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: scale(0.95);
  transition: var(--transition);
  max-height: 90vh;
  overflow-y: auto;
  box-sizing: border-box;
}

.modal-overlay.open .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.modal-close:hover {
  background: #f1f5f9;
  color: var(--text-main);
}

.modal-header {
  margin-bottom: 18px;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-forest);
  margin-bottom: 4px;
}

.modal-header p {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* 吐司提示 (Toast) */
.toast-notice {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-30px);
  background: #0f172a;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 90vw;
  text-align: center;
}

.toast-notice.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ===================================================================
   响应式断点与手机屏幕适配 (Mobile First Responsive Adjustments)
   =================================================================== */

@media (max-width: 1200px) {
  .container {
    max-width: 1000px;
    padding: 0 18px;
  }
  .nav-links {
    gap: 14px;
  }
  .nav-link {
    font-size: 0.88rem;
  }
  .nav-cta .btn-sm {
    padding: 7px 14px;
    font-size: 0.82rem;
  }
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-tagline {
    font-size: 1.05rem;
  }
  .quick-services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .items-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-timeline {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 中等屏幕 / 平板电脑 (屏宽 <= 992px) */
@media (max-width: 992px) {
  .desktop-only {
    display: none !important;
  }

  .btn-call-mobile.mobile-only {
    display: inline-flex !important;
  }

  /* 导航栏自适应切换为汉堡抽屉模式，杜绝文字折行 */
  .navbar .container {
    height: 62px;
    padding: 0 16px;
  }

  .brand-logo-img {
    height: 38px;
  }

  .brand-title {
    font-size: 1.18rem;
  }

  .brand-subtitle {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-cta {
    gap: 10px;
  }

  /* 平板/移动端抽屉菜单 */
  .nav-links {
    position: fixed;
    top: 62px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 16px 20px;
    gap: 0;
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.15);
    display: none;
    z-index: 999;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }

  .nav-links.open {
    display: flex;
    animation: fadeIn 0.25s ease;
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid #f1f5f9;
  }

  .nav-link::after {
    display: none;
  }

  .mobile-nav-cta {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding-top: 8px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-card {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
  }

  .assessment-inner {
    grid-template-columns: 1fr;
  }

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

/* 手机屏幕专属流式适配 (屏宽 <= 768px) */
@media (max-width: 768px) {
  body {
    padding-bottom: 56px; /* 预留底部操作栏空间 */
  }

  .mobile-only {
    display: block !important;
  }

  .mobile-bottom-bar.mobile-only {
    display: grid !important;
  }

  /* 手机端隐藏极小顶栏，由导航栏及吸底快捷栏承载热线功能，视觉更纯净 */
  .top-bar {
    display: none;
  }

  /* 导航栏更紧凑 */
  .navbar .container {
    height: 56px;
    padding: 0 14px;
  }

  .brand-logo-img {
    height: 34px;
  }

  .brand-title {
    font-size: 1.1rem;
  }

  .nav-links {
    top: 56px;
    max-height: calc(100vh - 112px);
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    font-size: 0.98rem;
    border-bottom: 1px solid #f1f5f9;
  }

  .nav-link::after {
    display: none;
  }

  .mobile-nav-cta {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding-top: 8px;
  }

  /* 首屏 Hero */
  .hero {
    padding: 36px 0 48px;
  }

  .hero-tag {
    font-size: 0.74rem;
    padding: 4px 10px;
    margin-bottom: 14px;
    max-width: 100%;
  }

  .hero-title {
    font-size: 1.85rem;
    line-height: 1.3;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.5;
  }

  .hero-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 20px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .hero-action-btn {
    width: 100%;
    padding: 12px;
    font-size: 0.95rem;
  }

  .hero-card {
    padding: 20px 16px;
    margin-top: 8px;
  }

  .hero-contact-box {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    text-align: center;
  }

  .hero-contact-num {
    font-size: 1.25rem;
  }

  /* 信任数据栏 */
  .stats-bar {
    padding: 16px 0;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-item {
    border-right: none;
    padding: 8px;
    background: #f8fafc;
    border-radius: var(--radius-sm);
    gap: 10px;
  }

  .stat-icon {
    width: 34px;
    height: 34px;
  }

  .stat-number {
    font-size: 1.3rem;
  }

  .stat-label {
    font-size: 0.72rem;
  }

  /* 通用 Section */
  .section {
    padding: 45px 0;
  }

  .section-header {
    margin-bottom: 28px;
  }

  .section-title {
    font-size: 1.45rem;
  }

  /* 四大业务卡片 */
  .quick-services-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* 关于羽汐 */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .promise-banner {
    flex-direction: column;
    padding: 18px 16px;
    text-align: left;
    align-items: flex-start;
  }

  .promise-btn {
    width: 100%;
  }

  /* 详细服务卡片 */
  .items-grid-3 {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .service-tab-btn {
    padding: 9px 16px;
    font-size: 0.86rem;
  }

  .dept-pill {
    padding: 5px 12px;
    font-size: 0.78rem;
  }

  /* 为什么选择羽汐 */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .why-card {
    padding: 22px 16px;
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 14px;
  }

  .why-icon {
    margin: 0;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
  }

  .why-number {
    top: 6px;
    right: 10px;
    font-size: 1.5rem;
  }

  /* 流程时间轴移动端形态（垂直卡片流） */
  .process-timeline {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .process-step {
    flex-direction: row;
    align-items: center;
    text-align: left;
    gap: 12px;
    padding: 12px 14px;
  }

  .step-num-badge {
    margin-bottom: 0;
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    font-size: 0.82rem;
  }

  .step-text-wrap h4 {
    margin-bottom: 2px;
    font-size: 0.9rem;
  }

  .step-text-wrap p {
    font-size: 0.76rem;
  }

  /* 智能测算表单 */
  .assessment-section {
    padding: 26px 16px;
    border-radius: var(--radius-lg);
  }

  .assessment-box {
    padding: 18px 14px;
  }

  .calc-grid-2 {
    grid-template-columns: 1fr;
  }

  .calc-options-grid {
    grid-template-columns: 1fr;
  }

  /* 联系我们 */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-card {
    padding: 20px 16px;
  }

  .qr-card {
    padding: 24px 16px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  /* 手机端隐藏侧边悬浮常驻功能按钮（已由吸底栏提供），仅保留回到顶部按钮 */
  .floating-toolbar {
    bottom: 72px;
    right: 14px;
    gap: 8px;
  }

  .floating-toolbar .float-btn:not(.float-backtop) {
    display: none;
  }

  .float-btn {
    width: 40px;
    height: 40px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
  }

  .modal-content {
    padding: 22px 16px;
  }
}