/* ========== 导航栏样式（PC + 移动端响应式） ========== */
.nav {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: #ffffff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 70px;
  z-index: 1000;
}
.nav-logo img {
  height: 40px;
  display: block;
}
.nav-links {
  flex: 1;
  display: flex;
  justify-content: center;
}
.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
}
.nav-item {
  position: relative;
}
.nav-item > a {
  display: block;
  text-decoration: none;
  font-weight: 500;
  color: #1a2c3e;
  line-height: 70px;
  transition: color 0.2s;
  font-size: 1rem;
}
.nav-item > a:hover {
  color: #0055d4;
}

/* 所有二级菜单容器 - 默认隐藏 */
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  z-index: 1001;
}
.nav-item:hover .dropdown-menu {
  display: block;
}
.dropdown-menu:empty {
  display: none !important;
}

/* 普通竖向菜单 */
.dropdown-vertical {
  min-width: 180px;
}
.dropdown-vertical li a {
  display: block;
  padding: 8px 20px;
  text-decoration: none;
  color: #1a2c3e;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: background 0.2s;
}
.dropdown-vertical li a:hover {
  background: #f0f5ff;
  color: #0055d4;
}

/* ========== 横向菜单（解决方案）========== */
.nav-item.mega {
  position: static;
}
.nav-item.mega .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 960px;
  max-width: 90vw;
  padding: 28px 32px;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 30px 50px -20px rgba(0, 0, 0, 0.15);
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 28px;
}
.nav-item.mega:hover .dropdown-menu {
  display: grid;
}
.nav-item.mega .dropdown-menu li {
  list-style: none;
}
.nav-item.mega .dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 14px;
  transition: all 0.2s ease;
  background: transparent;
}
.nav-item.mega .dropdown-menu li a:hover {
  background: #f5f9ff;
  transform: translateX(3px);
}
.menu-icon {
  font-size: 1.3rem;
  width: 32px;
  text-align: center;
  flex-shrink: 0;
  transition: transform 0.2s;
  color: #4f6f8f;
}
.nav-item.mega .dropdown-menu li a:hover .menu-icon {
  transform: scale(1.05);
}
.menu-text {
  flex: 1;
}
.menu-text strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 600;
  color: #1e2a3a;
  margin-bottom: 4px;
}
.menu-text .sub-desc {
  display: block;
  font-size: 0.7rem;
  color: #8b9aae;
  line-height: 1.3;
}
.sub-desc:empty {
  display: none;
}

/* 右侧咨询按钮 */
.nav-cta {
  background: #0055d4;
  color: white;
  padding: 8px 20px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s;
}
.nav-cta:hover {
  background: #003e9e;
}

/* 移动端汉堡按钮（默认隐藏） */
.nav-mb {
  display: none;
  background: transparent;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: #1a2c3e;
  padding: 0;
  line-height: 1;
}

/* ========== 响应式：移动端样式 ========== */
@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  .nav-mb {
    display: block;
  }
  .nav-cta {
    display: none;
  }
}

/* 移动端菜单面板样式 */
.mobile-menu {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  padding: 20px;
  border-bottom: 1px solid rgba(79, 125, 249, 0.06);
  z-index: 99999;
  max-height: calc(100vh - 70px);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-nav-item {
  border-bottom: 1px solid #eee;
}
.mobile-nav-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  color: #1a2c3e;
  text-decoration: none;
  font-weight: 500;
  cursor: pointer;
}
.mobile-nav-link span {
  flex: 1;
}
.mobile-sub-menu {
  padding-left: 20px;
  display: none;
}
.mobile-sub-menu.open {
  display: block;
}
.mobile-sub-menu a {
  display: block;
  padding: 10px 0;
  color: #5a6e81;
  text-decoration: none;
  font-size: 0.9rem;
}
.toggle-icon {
  font-size: 0.8rem;
  transition: transform 0.2s;
}
.mobile-nav-link.open .toggle-icon {
  transform: rotate(180deg);
}
@media (max-width: 768px) {
  html,
  body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

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

  .nav,
  .yimia-mask,
  .ym-overlay,
  .mb-sidebar {
    left: 0 !important;
    right: 0 !important;
    width: auto !important;
    max-width: 100% !important;
  }

  #mobileMenu {
    width: 100% !important;
    max-width: 100% !important;
  }

  .hero,
  .sec,
  .sec-alt,
  .cta-sec,
  .footer,
  .ptn-scroll-wrap {
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  .ctn,
  .cta-wrap,
  .cta-right,
  .cta-card,
  .about-timeline,
  .sol-info {
    max-width: 100% !important;
  }

  #backTop,
  #openYimiaPop {
    left: auto !important;
    right: 12px !important;
  }
}
/* 全局遮罩 */
.yimia-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.65);
    z-index: 99998;
    display: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.yimia-mask.show {
    display: block;
    opacity: 1;
}

/* 弹窗主体 加背景大图+美化质感 */
.yimia-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 92%;
    max-width: 480px;
    background: #ffffff;
    /* 商务轻奢背景图 */
    background-image: url(https://img0.baidu.com/it/u=2679356139,2797530139&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500);
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    background-color: rgba(255,255,255,0.92);
    border-radius: 16px;
    z-index: 99999;
    padding: 40px 30px;
    box-sizing: border-box;
    transform: translate(-50%, -50%) scale(0.9);
    transition: all 0.4s ease;
    display: none;
    box-shadow: 0 10px 40px rgba(22,93,255,0.2);
    border: 1px solid rgba(22,93,255,0.1);
}
.yimia-popup.show {
    display: block;
    transform: translate(-50%, -50%) scale(1);
}

/* 关闭按钮美化 */
.yimia-pop-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 34px;
    height: 34px;
    line-height: 34px;
    text-align: center;
    font-size: 20px;
    color: #666;
    cursor: pointer;
    border-radius: 50%;
    background: rgba(255,255,255,0.7);
    transition: all 0.3s;
}
.yimia-pop-close:hover {
    background: #165DFF;
    color: #fff;
}

/* 顶部图标 */
.pop-top-icon {
    text-align: center;
    margin-bottom: 18px;
}
.pop-top-icon i {
    font-size: 52px;
    color: #165DFF;
}

/* 标题文案美化 */
.pop-title {
    font-size: 22px;
    color: #1a2339;
    text-align: center;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: 1px;
}
.pop-subtitle {
    font-size: 14px;
    color: #4b5563;
    text-align: center;
    line-height: 1.8;
    margin-bottom: 25px;
}

/* 微信二维码区域美化 */
.pop-qrcode-wrap {
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    background: rgba(255,255,255,0.65);
    border-radius: 12px;
}
.pop-qrcode-wrap img {
    width: 135px;
    height: 135px;
    border-radius: 8px;
    border: 2px solid #e5e7eb;
}
.pop-qrcode-tip {
    font-size: 13px;
    color: #666;
    margin-top: 10px;
}

/* 咨询按钮美化 */
.pop-btn {
    display: block;
    width: 100%;
    height: 48px;
    line-height: 48px;
    text-align: center;
    background: linear-gradient(135deg, #165DFF, #4080FF);
    color: #fff;
    border-radius: 10px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(22,93,255,0.25);
}
.pop-btn:hover {
    opacity: 0.95;
    letter-spacing: 1px;
    transform: translateY(-2px);
}

/* 右下角悬浮客服按钮 上移+呼吸动画 */
.yimia-float-btn {
    position: fixed;
    right: 25px;
    bottom: 85px;
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, #165DFF, #4080FF);
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 54px;
    font-size: 24px;
    z-index: 99997;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(22,93,255,0.3);
    animation: floatBtn 3s ease-in-out infinite;
    transition: transform 0.3s;
}
.yimia-float-btn:hover{
    transform: scale(1.1);
}
@keyframes floatBtn {
    0%,100% {transform: translateY(0);}
    50% {transform: translateY(-8px);}
}

/* 移动端适配 */
@media (max-width: 768px){
    .yimia-popup {
        padding: 30px 20px;
    }
    .pop-title {
        font-size: 20px;
    }
    .pop-qrcode-wrap img {
        width: 115px;
        height: 115px;
    }
    .yimia-float-btn {
        right: 18px;
        bottom: 65px;
        width: 48px;
        height: 48px;
        line-height: 48px;
        font-size: 20px;
    }
}
        :root {
            /* 更克制的色彩体系 */
            --ym-blue-950: #0a1629;
            --ym-blue-900: #0f1f3d;
            --ym-blue-800: #142b52;
            --ym-blue-700: #1a3d70;
            --ym-blue-600: #1d4ed8;
            --ym-blue-500: #2563eb;
            --ym-blue-400: #3b82f6;
            --ym-blue-100: #dbeafe;
            --ym-blue-50: #eff6ff;
            --ym-amber-500: #f59e0b;
            --ym-green-600: #059669;
            --ym-green-50: #ecfdf5;
            --ym-slate-900: #0f172a;
            --ym-slate-800: #1e293b;
            --ym-slate-700: #334155;
            --ym-slate-600: #475569;
            --ym-slate-500: #64748b;
            --ym-slate-400: #94a3b8;
            --ym-slate-300: #cbd5e1;
            --ym-slate-200: #e2e8f0;
            --ym-slate-100: #f1f5f9;
            --ym-slate-50: #f8fafc;
            --ym-white: #ffffff;
            /* 更柔和的阴影 */
            --ym-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
            --ym-shadow-md: 0 4px 8px rgba(15, 23, 42, 0.05), 0 2px 4px rgba(15, 23, 42, 0.03);
            --ym-shadow-lg: 0 14px 24px rgba(15, 23, 42, 0.08), 0 4px 8px rgba(15, 23, 42, 0.04);
            --ym-shadow-xl: 0 24px 40px rgba(15, 23, 42, 0.12), 0 8px 16px rgba(15, 23, 42, 0.06);
            --ym-shadow-2xl: 0 32px 56px rgba(15, 23, 42, 0.16), 0 12px 24px rgba(15, 23, 42, 0.08);
            --ym-radius-sm: 8px;
            --ym-radius-md: 12px;
            --ym-radius-lg: 18px;
            --ym-radius-xl: 24px;
            --ym-ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
            --ym-ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --ym-duration-fast: 150ms;
            --ym-duration-base: 250ms;
            --ym-duration-slow: 350ms;
            /* 更舒适的字体栈 */
            --ym-font-sans: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;
            --ym-font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
        }

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

        /* ========== 遮罩层 ========== */
        .ym-overlay {
            position: fixed;
            inset: 0;
            z-index: 99990;
            background: rgba(10, 22, 41, 0.55);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transition: opacity var(--ym-duration-slow) var(--ym-ease-out), visibility var(--ym-duration-slow) var(--ym-ease-out);
            -webkit-tap-highlight-color: transparent;
        }
        .ym-overlay.ym-active {
            opacity: 1;
            visibility: visible;
        }

        /* ========== 弹窗主体 ========== */
        .ym-dialog {
            position: relative;
            z-index: 99991;
            width: 100%;
            max-width: 620px;
            background: var(--ym-white);
            border-radius: var(--ym-radius-xl);
            box-shadow: var(--ym-shadow-2xl);
            display: flex;
            flex-direction: row;
            overflow: hidden;
            transform: translateY(24px);
            opacity: 0;
            transition: transform var(--ym-duration-slow) var(--ym-ease-out), opacity var(--ym-duration-slow) var(--ym-ease-out);
            -webkit-tap-highlight-color: transparent;
        }
        .ym-overlay.ym-active .ym-dialog {
            transform: translateY(0);
            opacity: 1;
        }

        /* ========== 左侧品牌区 ========== */
        .ym-visual {
            flex: 0 0 210px;
            background: var(--ym-blue-950);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 36px 24px;
            position: relative;
            overflow: hidden;
            min-height: 100%;
        }
        /* 极简几何装饰 */
        .ym-visual::before {
            content: '';
            position: absolute;
            width: 180px;
            height: 180px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            top: -40px;
            right: -50px;
            pointer-events: none;
        }
        .ym-visual::after {
            content: '';
            position: absolute;
            width: 120px;
            height: 120px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            bottom: -30px;
            left: -30px;
            pointer-events: none;
        }
        .ym-visual-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 18px;
        }
        .ym-visual-icon {
            width: 72px;
            height: 72px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--ym-radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--ym-duration-base) var(--ym-ease-in-out);
        }
        .ym-visual-icon svg {
            width: 36px;
            height: 36px;
            color: rgba(255, 255, 255, 0.85);
        }
        .ym-visual-label {
            font-family: var(--ym-font-sans);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.12em;
            color: rgba(255, 255, 255, 0.65);
            text-transform: uppercase;
        }

        /* ========== 右侧内容区 ========== */
        .ym-content {
            flex: 1;
            padding: 32px 28px 28px;
            display: flex;
            flex-direction: column;
            position: relative;
            min-width: 0;
            background: var(--ym-white);
        }
        /* 关闭按钮 */
        .ym-close-btn {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: none;
            background: transparent;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ym-slate-400);
            transition: color var(--ym-duration-fast) var(--ym-ease-in-out), background var(--ym-duration-fast) var(--ym-ease-in-out);
            z-index: 3;
            outline: none;
        }
        .ym-close-btn:hover {
            color: var(--ym-slate-700);
            background: var(--ym-slate-100);
        }
        .ym-close-btn:active {
            color: var(--ym-slate-900);
            background: var(--ym-slate-200);
        }
        .ym-close-btn svg {
            width: 14px;
            height: 14px;
            pointer-events: none;
            stroke-width: 2;
        }

        /* 标签行 */
        .ym-badge-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .ym-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-family: var(--ym-font-sans);
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 5px 10px;
            border-radius: 6px;
            white-space: nowrap;
        }
        .ym-badge-accent {
            background: #fef9e7;
            color: #b45309;
        }
        .ym-badge-accent .ym-dot {
            width: 6px;
            height: 6px;
            background: var(--ym-amber-500);
            border-radius: 50%;
        }
        .ym-badge-info {
            background: var(--ym-blue-50);
            color: var(--ym-blue-600);
        }

        /* 标题 */
        .ym-heading {
            font-family: var(--ym-font-sans);
            font-size: 24px;
            font-weight: 600;
            color: var(--ym-slate-900);
            line-height: 1.35;
            margin: 0 0 6px;
            letter-spacing: -0.02em;
        }
        .ym-heading .ym-highlight {
            color: var(--ym-blue-600);
        }
        .ym-subtitle {
            font-family: var(--ym-font-sans);
            font-size: 13.5px;
            color: var(--ym-slate-500);
            line-height: 1.55;
            margin: 0 0 20px;
            letter-spacing: 0.01em;
        }

        /* 卖点列表 */
        .ym-feature-list {
            list-style: none;
            margin: 0 0 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ym-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-family: var(--ym-font-sans);
            font-size: 13px;
            color: var(--ym-slate-600);
            line-height: 1.5;
            transition: none;
        }
        .ym-feature-marker {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            margin-top: 1px;
            color: var(--ym-blue-500);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .ym-feature-marker svg {
            width: 14px;
            height: 14px;
        }

        /* CTA 按钮组 */
        .ym-cta-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .ym-btn {
            flex: 1;
            min-width: 130px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 18px;
            font-family: var(--ym-font-sans);
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--ym-radius-sm);
            text-decoration: none;
            cursor: pointer;
            transition: all var(--ym-duration-fast) var(--ym-ease-in-out);
            letter-spacing: 0.01em;
            border: none;
            white-space: nowrap;
            outline: none;
        }
        .ym-btn-primary {
            background: var(--ym-blue-600);
            color: #fff;
            box-shadow: 0 2px 8px rgba(29, 78, 216, 0.2);
        }
        .ym-btn-primary:hover {
            background: #1e40af;
            box-shadow: 0 4px 14px rgba(29, 78, 216, 0.3);
            transform: translateY(-1px);
        }
        .ym-btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(29, 78, 216, 0.25);
            transition: all 80ms ease;
        }
        .ym-btn-outline {
            background: var(--ym-white);
            color: var(--ym-slate-800);
            border: 1.5px solid var(--ym-slate-200);
        }
        .ym-btn-outline:hover {
            border-color: var(--ym-slate-300);
            background: var(--ym-slate-50);
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
        }
        .ym-btn-outline:active {
            transform: translateY(0);
            background: var(--ym-slate-100);
            transition: all 80ms ease;
        }
        .ym-btn-icon {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }
        .ym-btn-wechat-icon {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            color: #07c160;
        }

        /* 底部信任条 */
        .ym-trust-strip {
            margin-top: 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            font-family: var(--ym-font-sans);
            font-size: 11px;
            color: var(--ym-slate-400);
            flex-wrap: wrap;
            justify-content: center;
            padding-top: 14px;
            border-top: 1px solid var(--ym-slate-100);
            letter-spacing: 0.02em;
        }
        .ym-trust-strip span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .ym-trust-icon {
            width: 12px;
            height: 12px;
            color: #f59e0b;
            flex-shrink: 0;
        }

        /* ========== 移动端适配 ========== */
        @media (max-width: 680px) {
            .ym-overlay {
                padding: 10px;
                align-items: flex-end;
            }
            .ym-dialog {
                flex-direction: column;
                max-width: 100%;
                border-radius: var(--ym-radius-lg) var(--ym-radius-lg) 12px 12px;
                max-height: 85vh;
                overflow-y: auto;
            }
            .ym-visual {
                flex: 0 0 auto;
                padding: 16px 18px;
                flex-direction: row;
                align-items: center;
                justify-content: flex-start;
                gap: 14px;
                min-height: auto;
            }
            .ym-visual-inner {
                flex-direction: row;
                gap: 12px;
            }
            .ym-visual-icon {
                width: 40px;
                height: 40px;
                border-radius: var(--ym-radius-sm);
            }
            .ym-visual-icon svg {
                width: 22px;
                height: 22px;
            }
            .ym-visual-label {
                font-size: 11px;
                letter-spacing: 0.1em;
            }
            .ym-content {
                padding: 18px 16px 20px;
            }
            .ym-heading {
                font-size: 19px;
            }
            .ym-subtitle {
                font-size: 12.5px;
                margin-bottom: 14px;
            }
            .ym-feature-list {
                gap: 8px;
                margin-bottom: 16px;
            }
            .ym-feature-item {
                font-size: 12.5px;
            }
            .ym-cta-group {
                flex-direction: column;
                gap: 8px;
            }
            .ym-btn {
                flex: none;
                width: 100%;
                justify-content: center;
                padding: 13px 16px;
                font-size: 14px;
            }
            .ym-close-btn {
                top: 12px;
                right: 12px;
                width: 28px;
                height: 28px;
            }
            .ym-trust-strip {
                font-size: 10.5px;
                gap: 10px;
                margin-top: 14px;
                padding-top: 12px;
            }
            .ym-badge {
                font-size: 10px;
                padding: 4px 9px;
            }
        }

        @media (max-width: 400px) {
            .ym-content { padding: 14px 12px 16px; }
            .ym-heading { font-size: 17px; }
            .ym-subtitle { font-size: 11.5px; }
            .ym-feature-item { font-size: 11.5px; }
            .ym-btn { font-size: 13px; padding: 12px 14px; }
        }