/**
 * =================================================
 * 【骰子设计属性声明 - CSS层】
 * 维度1 (D12): [4] 分屏对比
 * 维度2 (D8):  [1] 置顶吸附
 * 维度3 (D30): [12,29,16,24] 资源下载墙+3D卡片倾斜+物理产品展示+时间胶囊
 * 维度4 (D8):  [5] 巨型首字
 * 维度5 (D8):  [2] 弹性果冻
 * 维度6 (D8):  [6] 线框美学
 * 维度7 (D8):  [1] 奢侈留白
 * 维度8 (D8):  [2] 滚动渐进
 * 彩蛋: E7时间胶囊
 * 配色: 深海蓝系 #1565C0 | 辅色 #90CAF9 | 强调 #FF6F00
 * =================================================
 */

/* ===== CSS Variables / 主题色变量 ===== */
:root {
    /* 主色调 - 深海蓝系 */
    --ivf-primary: #1565C0;
    --ivf-primary-dark: #0D47A1;
    --ivf-primary-light: #42A5F5;
    --ivf-primary-soft: #E3F2FD;
    /* 辅色 */
    --ivf-secondary: #90CAF9;
    --ivf-secondary-light: #BBDEFB;
    /* 强调色 - 琥珀橙 */
    --ivf-accent: #FF6F00;
    --ivf-accent-light: #FF9800;
    --ivf-accent-soft: #FFF3E0;
    /* 文字色 */
    --ivf-text-dark: #1A237E;
    --ivf-text-body: #37474F;
    --ivf-text-muted: #78909C;
    --ivf-text-light: #E3F2FD;
    /* 背景色 */
    --ivf-bg: #FAFCFF;
    --ivf-bg-light: #F5F9FF;
    --ivf-bg-dark: #0A1628;
    --ivf-bg-card: #FFFFFF;
    /* 线框美学专用 */
    --ivf-border: #1565C0;
    --ivf-border-light: rgba(21, 101, 192, 0.15);
    --ivf-border-subtle: rgba(21, 101, 192, 0.08);
    /* 阴影 */
    --ivf-shadow-sm: 0 1px 2px rgba(13, 71, 161, 0.05);
    --ivf-shadow: 0 4px 20px rgba(13, 71, 161, 0.08);
    --ivf-shadow-lg: 0 12px 40px rgba(13, 71, 161, 0.12);
    /* 间距 */
    --ivf-section-pad: 100px;
    --ivf-section-pad-sm: 60px;
    /* 字体 */
    --ivf-font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    /* 圆角 */
    --ivf-radius: 12px;
    --ivf-radius-sm: 8px;
    /* 动画 */
    --ivf-transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ivf-transition-smooth: all 0.4s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.ivf-body {
    font-family: var(--ivf-font-base);
    color: var(--ivf-text-body);
    background: var(--ivf-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--ivf-primary); text-decoration: none; transition: var(--ivf-transition-smooth); }
a:hover { color: var(--ivf-primary-dark); }
img { max-width: 100%; height: auto; }
::selection { background: var(--ivf-primary); color: #fff; }

/* ===== 滚动进度环 (彩蛋补充) ===== */
.ivf-scroll-progress {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--ivf-border-light);
    z-index: 9999;
}
.ivf-scroll-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--ivf-primary), var(--ivf-accent));
    width: 0%;
    transition: width 0.1s linear;
}

/* ===== Topbar ===== */
.ivf-topbar {
    background: var(--ivf-bg-dark);
    padding: 8px 0;
    font-size: 13px;
    color: var(--ivf-text-light);
}
.ivf-topbar-left { display: flex; align-items: center; gap: 16px; }
.ivf-topbar-item { display: inline-flex; align-items: center; gap: 6px; opacity: 0.85; }
.ivf-topbar-divider { opacity: 0.3; }
.ivf-topbar-right { display: flex; align-items: center; gap: 16px; }
.ivf-topbar-link {
    color: var(--ivf-text-light);
    opacity: 0.85;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.ivf-topbar-link:hover { opacity: 1; color: var(--ivf-secondary); }

/* ===== Navbar - 置顶吸附 ===== */
.ivf-navbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 0.5px solid var(--ivf-border-light);
    padding: 0;
    transition: var(--ivf-transition-smooth);
    box-shadow: var(--ivf-shadow-sm);
}
.ivf-navbar.stuck {
    box-shadow: var(--ivf-shadow);
    padding: 0;
}
.ivf-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 0;
}
.ivf-brand-logo { height: 42px; width: auto; }
.ivf-brand-title {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--ivf-text-dark);
    line-height: 1.2;
}
.ivf-brand-sub {
    display: block;
    font-size: 11px;
    color: var(--ivf-text-muted);
    letter-spacing: 1px;
}
.ivf-mobile-tel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--ivf-accent);
    color: #fff;
    margin-right: 8px;
    font-size: 16px;
}

/* Toggler */
.ivf-toggler { border: none; padding: 8px; }
.ivf-toggler-icon { display: flex; flex-direction: column; gap: 5px; width: 24px; }
.ivf-toggler-line {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--ivf-primary);
    border-radius: 2px;
    transition: var(--ivf-transition);
}
.ivf-toggler[aria-expanded="true"] .ivf-toggler-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.ivf-toggler[aria-expanded="true"] .ivf-toggler-line:nth-child(2) { opacity: 0; }
.ivf-toggler[aria-expanded="true"] .ivf-toggler-line:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Nav Items */
.ivf-nav { align-items: center; gap: 4px; }
.ivf-nav-item { position: relative; }
.ivf-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 14px !important;
    color: var(--ivf-text-dark) !important;
    font-weight: 500;
    font-size: 14px;
    position: relative;
}
.ivf-nav-link:hover, .ivf-nav-link.active {
    color: var(--ivf-primary) !important;
}
.ivf-nav-line {
    position: absolute;
    bottom: 14px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--ivf-accent);
    border-radius: 1px;
    transition: var(--ivf-transition);
    transform: translateX(-50%);
}
.ivf-nav-link:hover .ivf-nav-line, .ivf-nav-link.active .ivf-nav-line { width: 24px; }

/* Dropdown */
.ivf-city-dropdown .dropdown-toggle::after { margin-left: 6px; font-size: 10px; }
.ivf-dropdown-menu {
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    box-shadow: var(--ivf-shadow-lg);
    padding: 8px 0;
    min-width: 180px;
}
.ivf-dropdown-item {
    padding: 8px 16px;
    font-size: 13px;
    color: var(--ivf-text-body);
    display: flex;
    align-items: center;
    gap: 8px;
}
.ivf-dropdown-item:hover { background: var(--ivf-primary-soft); color: var(--ivf-primary); }
.ivf-divider { margin: 6px 12px; border-color: var(--ivf-border-subtle); }

/* CTA Button in Nav */
.ivf-nav-cta { margin-left: 16px; }
.ivf-btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--ivf-accent);
    color: #fff !important;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 13px;
    transition: var(--ivf-transition);
    border: 0.5px solid transparent;
}
.ivf-btn-cta:hover {
    background: transparent;
    color: var(--ivf-accent) !important;
    border-color: var(--ivf-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 111, 0, 0.2);
}

/* Breadcrumb */
.ivf-breadcrumb-nav { background: var(--ivf-bg-light); padding: 12px 0; }
.ivf-breadcrumb { margin: 0; font-size: 13px; }
.ivf-breadcrumb-item a { color: var(--ivf-text-muted); }
.ivf-breadcrumb-item a:hover { color: var(--ivf-primary); }
.ivf-breadcrumb-item.active { color: var(--ivf-text-dark); font-weight: 500; }

/* ===== Mobile Bottom Nav ===== */
.ivf-mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-top: 0.5px solid var(--ivf-border-light);
    display: flex;
    justify-content: space-around;
    padding: 6px 0;
    z-index: 1030;
    padding-bottom: env(safe-area-inset-bottom, 6px);
}
.ivf-mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--ivf-text-muted);
    font-size: 10px;
    padding: 4px 12px;
}
.ivf-mobile-nav-item i { font-size: 18px; }
.ivf-mobile-nav-highlight { color: var(--ivf-accent); }

/* ===== Back to Top ===== */
.ivf-backtop {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--ivf-primary);
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--ivf-transition);
    z-index: 1020;
    box-shadow: var(--ivf-shadow);
}
.ivf-backtop.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.ivf-backtop:hover { background: var(--ivf-primary-dark); transform: translateY(-4px); }

/* ===== Float CTA ===== */
.ivf-float-cta {
    position: fixed;
    right: 20px;
    bottom: 140px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1010;
}
.ivf-float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    border: none;
    cursor: pointer;
    transition: var(--ivf-transition);
    box-shadow: var(--ivf-shadow);
}
.ivf-float-tel { background: var(--ivf-primary); }
.ivf-float-msg { background: var(--ivf-accent); }
.ivf-float-top { background: var(--ivf-text-muted); }
.ivf-float-btn:hover { transform: scale(1.1) translateY(-3px); }

/* ===== Section Headers ===== */
.ivf-section-header { margin-bottom: 60px; }
.ivf-section-header-center { text-align: center; }
.ivf-section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--ivf-accent);
    margin-bottom: 12px;
    text-transform: uppercase;
}
.ivf-section-title {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 700;
    color: var(--ivf-text-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}
.ivf-section-subtitle {
    font-size: 16px;
    color: var(--ivf-text-muted);
    max-width: 560px;
}
.ivf-section-header-center .ivf-section-subtitle { margin: 0 auto; }

/* ===== Page Header ===== */
.ivf-page-header {
    background: linear-gradient(135deg, var(--ivf-primary-dark) 0%, var(--ivf-primary) 100%);
    padding: 80px 0 60px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.ivf-page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
}
.ivf-page-header-inner { position: relative; z-index: 1; }
.ivf-page-breadcrumb { margin-bottom: 20px; }
.ivf-page-breadcrumb .breadcrumb-item a { color: rgba(255,255,255,0.7); }
.ivf-page-breadcrumb .breadcrumb-item a:hover { color: #fff; }
.ivf-page-breadcrumb .breadcrumb-item.active { color: #fff; }
.ivf-page-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,0.4); }
.ivf-page-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.2;
}
.ivf-page-subtitle {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
}
.ivf-page-header-right { text-align: right; }
.ivf-page-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--ivf-radius-sm);
    font-size: 13px;
    color: rgba(255,255,255,0.85);
    margin-left: 8px;
}
.ivf-page-header-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
}
.ivf-page-header-wave svg { width: 100%; height: 60px; display: block; }

/* ===== Hero Split (60/40) ===== */
.ivf-hero-split {
    position: relative;
    background: var(--ivf-bg-dark);
    overflow: hidden;
}
.ivf-hero-split-inner { display: flex; min-height: 700px; }
.ivf-hero-left { width: 60%; position: relative; }
.ivf-hero-right {
    width: 40%;
    display: flex;
    align-items: center;
    padding: 60px;
    background: linear-gradient(135deg, var(--ivf-primary-dark) 0%, var(--ivf-primary) 100%);
    color: #fff;
    position: relative;
}
.ivf-hero-right::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* Carousel */
.ivf-carousel { height: 100%; }
.ivf-carousel-inner, .ivf-carousel-item { height: 100%; }
.ivf-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ivf-carousel-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10,22,40,0.3), transparent);
}
.ivf-carousel-dots { bottom: 30px; z-index: 3; }
.ivf-carousel-dots button {
    width: 10px !important;
    height: 10px !important;
    border-radius: 50% !important;
    background: rgba(255,255,255,0.4) !important;
    border: none !important;
    margin: 0 5px !important;
}
.ivf-carousel-dots button.active { background: var(--ivf-accent) !important; width: 28px !important; border-radius: 5px !important; }
.ivf-carousel-btn { width: 50px; height: 50px; }
.ivf-carousel-icon { width: 24px; height: 24px; filter: invert(1); }

/* Hero Content */
.ivf-hero-content { position: relative; z-index: 1; }
.ivf-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border: 0.5px solid rgba(255,255,255,0.2);
    border-radius: 100px;
    font-size: 13px;
    margin-bottom: 24px;
    color: rgba(255,255,255,0.9);
}
.ivf-hero-title {
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}
.ivf-hero-line { display: block; }
.ivf-hero-highlight { color: var(--ivf-accent-light); }
.ivf-hero-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255,255,255,0.8);
    margin-bottom: 28px;
}
.ivf-hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 32px;
    padding-top: 20px;
    border-top: 0.5px solid rgba(255,255,255,0.15);
}
.ivf-hero-stat { text-align: center; }
.ivf-hero-stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--ivf-accent-light);
}
.ivf-hero-stat-unit { font-size: 16px; color: var(--ivf-accent-light); }
.ivf-hero-stat-label {
    display: block;
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    margin-top: 2px;
}
.ivf-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.ivf-hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--ivf-transition);
}
.ivf-hero-btn-primary {
    background: var(--ivf-accent);
    color: #fff;
}
.ivf-hero-btn-primary:hover {
    background: var(--ivf-accent-light);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 111, 0, 0.3);
}
.ivf-hero-btn-outline {
    border: 0.5px solid rgba(255,255,255,0.4);
    color: #fff;
}
.ivf-hero-btn-outline:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: #fff;
}

/* Hero Wave */
.ivf-hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
    z-index: 2;
}
.ivf-hero-wave svg { width: 100%; height: 80px; display: block; }

/* ===== Trust Bar / Marquee ===== */
.ivf-trust-bar {
    padding: var(--ivf-section-pad) 0;
    background: var(--ivf-bg-light);
    overflow: hidden;
}
.ivf-marquee-wrapper { margin-top: 40px; overflow: hidden; }
.ivf-marquee { display: flex; width: max-content; animation: marqueeScroll 30s linear infinite; }
.ivf-marquee-track { display: flex; align-items: center; gap: 60px; padding-right: 60px; }
.ivf-marquee-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.ivf-marquee-img {
    width: 100px;
    height: 60px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.5);
    transition: var(--ivf-transition-smooth);
}
.ivf-marquee-item:hover .ivf-marquee-img { filter: grayscale(0%) opacity(1); }
.ivf-marquee-text { font-size: 12px; color: var(--ivf-text-muted); }
@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== Services - 3D Tilt Cards ===== */
.ivf-services { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-service-row { row-gap: 24px; }
.ivf-service-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 40px 28px;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: var(--ivf-transition-smooth);
    transform-style: preserve-3d;
    perspective: 1000px;
}
.ivf-service-card:hover {
    border-color: var(--ivf-primary-light);
    box-shadow: var(--ivf-shadow-lg);
    transform: translateY(-8px);
}
.ivf-service-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--ivf-radius-sm);
    background: var(--ivf-primary-soft);
    color: var(--ivf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
    border: 0.5px solid var(--ivf-border-light);
    transition: var(--ivf-transition);
}
.ivf-service-card:hover .ivf-service-icon {
    background: var(--ivf-primary);
    color: #fff;
    transform: scale(1.1);
}
.ivf-service-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ivf-text-dark);
    margin-bottom: 10px;
}
.ivf-service-desc {
    font-size: 14px;
    color: var(--ivf-text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}
.ivf-service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ivf-primary);
}
.ivf-service-link:hover { gap: 10px; }
.ivf-service-glow {
    position: absolute;
    width: 120px; height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--ivf-primary-light) 0%, transparent 70%);
    opacity: 0;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    transition: var(--ivf-transition-smooth);
    pointer-events: none;
}
.ivf-service-card:hover .ivf-service-glow { opacity: 0.08; }

/* ===== Dashboard / Circular Stats ===== */
.ivf-dashboard {
    padding: var(--ivf-section-pad) 0;
    background: linear-gradient(135deg, var(--ivf-primary-dark) 0%, var(--ivf-primary) 100%);
    color: #fff;
}
.ivf-dashboard-item { text-align: center; }
.ivf-dashboard-circle {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 0 auto 16px;
}
.ivf-dashboard-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.ivf-dashboard-track {
    fill: none;
    stroke: rgba(255,255,255,0.1);
    stroke-width: 6;
    stroke-linecap: round;
}
.ivf-dashboard-progress {
    fill: none;
    stroke: var(--ivf-accent-light);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 327;
    stroke-dashoffset: 327;
    transition: stroke-dashoffset 2s ease-out;
}
.ivf-dashboard-inner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.ivf-dashboard-num { font-size: 32px; font-weight: 700; }
.ivf-dashboard-unit { font-size: 16px; opacity: 0.7; }
.ivf-dashboard-label { font-size: 14px; opacity: 0.8; }

/* ===== Process Split ===== */
.ivf-process-split { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg-light); }
.ivf-process-row { align-items: center; }
.ivf-process-content { padding-right: 40px; }
.ivf-process-lead {
    font-size: 16px;
    color: var(--ivf-text-muted);
    margin-bottom: 32px;
    line-height: 1.8;
}
.ivf-process-steps { display: flex; flex-direction: column; gap: 24px; margin-bottom: 32px; }
.ivf-process-step { display: flex; gap: 16px; }
.ivf-process-num {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: var(--ivf-radius-sm);
    background: var(--ivf-primary-soft);
    color: var(--ivf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    border: 0.5px solid var(--ivf-border-light);
}
.ivf-process-step-title { font-size: 16px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 4px; }
.ivf-process-step-desc { font-size: 14px; color: var(--ivf-text-muted); line-height: 1.6; margin: 0; }
.ivf-process-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--ivf-primary);
    color: #fff;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--ivf-transition);
}
.ivf-process-cta:hover { background: var(--ivf-primary-dark); color: #fff; transform: translateY(-3px); box-shadow: var(--ivf-shadow); }

/* Process Visual / Canvas */
.ivf-process-visual { position: relative; }
.ivf-process-canvas {
    width: 100%;
    height: auto;
    border-radius: var(--ivf-radius);
    border: 0.5px solid var(--ivf-border-light);
    background: var(--ivf-bg-card);
}
.ivf-process-static-fallback {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}
.ivf-process-img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--ivf-radius); }
.ivf-process-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 16px;
}
.ivf-process-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: 100px;
    font-size: 12px;
    color: var(--ivf-text-body);
}
.ivf-process-badge i { color: var(--ivf-accent); }

/* ===== Timeline / Time Capsule ===== */
.ivf-timeline { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-timeline-container { position: relative; padding: 20px 0; }
.ivf-timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--ivf-border-light);
    transform: translateX(-50%);
}
.ivf-timeline-list { list-style: none; padding: 0; margin: 0; }
.ivf-timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    position: relative;
}
.ivf-timeline-item:nth-child(odd) { flex-direction: row-reverse; text-align: right; padding-right: calc(50% + 30px); padding-left: 0; }
.ivf-timeline-item:nth-child(even) { padding-left: calc(50% + 30px); padding-right: 0; }
.ivf-timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--ivf-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    border: 3px solid var(--ivf-bg);
    box-shadow: var(--ivf-shadow);
    z-index: 2;
}
.ivf-timeline-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 24px;
    transition: var(--ivf-transition-smooth);
}
.ivf-timeline-card:hover {
    border-color: var(--ivf-primary-light);
    box-shadow: var(--ivf-shadow);
    transform: translateY(-4px);
}
.ivf-timeline-title { font-size: 16px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 8px; }
.ivf-timeline-desc { font-size: 14px; color: var(--ivf-text-muted); line-height: 1.6; margin: 0; }

/* ===== Cities ===== */
.ivf-cities { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg-light); }
.ivf-cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}
.ivf-city-item { text-decoration: none; }
.ivf-city-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    transition: var(--ivf-transition);
}
.ivf-city-card:hover {
    border-color: var(--ivf-primary);
    background: var(--ivf-primary-soft);
    transform: translateY(-2px);
    box-shadow: var(--ivf-shadow);
}
.ivf-city-icon {
    width: 32px; height: 32px;
    border-radius: 6px;
    background: var(--ivf-primary-soft);
    color: var(--ivf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}
.ivf-city-name { font-size: 14px; font-weight: 500; color: var(--ivf-text-body); flex: 1; }
.ivf-city-arrow { color: var(--ivf-text-muted); font-size: 14px; opacity: 0; transition: var(--ivf-transition); }
.ivf-city-card:hover .ivf-city-arrow { opacity: 1; color: var(--ivf-primary); }
.ivf-cities-cta { text-align: center; margin-top: 32px; }
.ivf-cities-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 0.5px dashed var(--ivf-primary);
    border-radius: var(--ivf-radius-sm);
    color: var(--ivf-primary);
    font-size: 14px;
    transition: var(--ivf-transition);
}
.ivf-cities-btn:hover { background: var(--ivf-primary); color: #fff; border-style: solid; }

/* ===== Downloads Wall ===== */
.ivf-downloads { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-download-row { row-gap: 24px; }
.ivf-download-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 32px;
    height: 100%;
    transition: var(--ivf-transition-smooth);
    position: relative;
    overflow: hidden;
}
.ivf-download-card:hover {
    border-color: var(--ivf-primary-light);
    box-shadow: var(--ivf-shadow);
    transform: translateY(-6px);
}
.ivf-download-icon {
    width: 56px; height: 56px;
    border-radius: var(--ivf-radius-sm);
    background: var(--ivf-accent-soft);
    color: var(--ivf-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    border: 0.5px solid rgba(255, 111, 0, 0.15);
}
.ivf-download-title { font-size: 16px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 8px; }
.ivf-download-desc { font-size: 13px; color: var(--ivf-text-muted); line-height: 1.6; margin-bottom: 16px; }
.ivf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--ivf-primary-soft);
    color: var(--ivf-primary);
    border-radius: var(--ivf-radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: var(--ivf-transition);
}
.ivf-download-btn:hover { background: var(--ivf-primary); color: #fff; }

/* ===== News Grid ===== */
.ivf-news { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg-light); }
.ivf-news-row { row-gap: 28px; }
.ivf-news-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    overflow: hidden;
    transition: var(--ivf-transition-smooth);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.ivf-news-card:hover {
    box-shadow: var(--ivf-shadow-lg);
    transform: translateY(-6px);
    border-color: var(--ivf-primary-light);
}
.ivf-news-img-wrap {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 16/10;
}
.ivf-news-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.ivf-news-card:hover .ivf-news-img { transform: scale(1.08); }
.ivf-news-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(21, 101, 192, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--ivf-transition-smooth);
}
.ivf-news-card:hover .ivf-news-img-overlay { opacity: 1; }
.ivf-news-img-overlay i { font-size: 32px; color: #fff; }
.ivf-news-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.ivf-news-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--ivf-text-muted);
}
.ivf-news-meta i { color: var(--ivf-primary-light); }
.ivf-news-title { font-size: 16px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.ivf-news-title a { color: var(--ivf-text-dark); }
.ivf-news-title a:hover { color: var(--ivf-primary); }
.ivf-news-excerpt {
    font-size: 13px;
    color: var(--ivf-text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    flex: 1;
}
.ivf-news-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ivf-primary);
    margin-top: auto;
}
.ivf-news-readmore:hover { gap: 10px; }
.ivf-news-more { text-align: center; margin-top: 48px; }
.ivf-news-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--ivf-primary);
    color: #fff;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    transition: var(--ivf-transition);
}
.ivf-news-more-btn:hover { background: var(--ivf-primary-dark); color: #fff; transform: translateY(-3px); box-shadow: var(--ivf-shadow); }

/* ===== FAQ ===== */
.ivf-faq { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-faq-row { align-items: center; }
.ivf-faq-left { padding-right: 40px; }
.ivf-faq-desc { font-size: 15px; color: var(--ivf-text-muted); line-height: 1.7; margin-bottom: 28px; }
.ivf-faq-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--ivf-accent);
    color: #fff;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    transition: var(--ivf-transition);
}
.ivf-faq-cta-btn:hover { background: var(--ivf-accent-light); color: #fff; transform: translateY(-3px); }
.ivf-accordion { border: none; }
.ivf-accordion-item {
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--ivf-bg-card);
}
.ivf-accordion-btn {
    padding: 18px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ivf-text-dark);
    background: transparent;
    box-shadow: none !important;
    display: flex;
    align-items: center;
    gap: 10px;
}
.ivf-accordion-btn:not(.collapsed) { color: var(--ivf-primary); background: var(--ivf-primary-soft); }
.ivf-accordion-btn::after { margin-left: auto; width: 16px; height: 16px; background-size: 16px; }
.ivf-accordion-q {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--ivf-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}
.ivf-accordion-body { padding: 0 20px 18px; font-size: 14px; color: var(--ivf-text-muted); line-height: 1.7; }

/* ===== Final CTA ===== */
.ivf-cta-final { padding: var(--ivf-section-pad) 0; background: linear-gradient(135deg, var(--ivf-primary-dark), var(--ivf-primary)); }
.ivf-cta-box {
    background: rgba(255,255,255,0.05);
    border: 0.5px solid rgba(255,255,255,0.1);
    border-radius: var(--ivf-radius);
    padding: 48px;
}
.ivf-cta-title { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.ivf-cta-desc { font-size: 15px; color: rgba(255,255,255,0.8); margin-bottom: 20px; }
.ivf-cta-features { display: flex; gap: 20px; flex-wrap: wrap; }
.ivf-cta-feature {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
}
.ivf-cta-feature i { color: var(--ivf-accent-light); }
.ivf-cta-buttons { display: flex; flex-direction: column; gap: 12px; }
.ivf-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--ivf-transition);
}
.ivf-cta-btn-tel { background: var(--ivf-accent); color: #fff; }
.ivf-cta-btn-tel:hover { background: var(--ivf-accent-light); color: #fff; transform: translateY(-3px); box-shadow: 0 8px 20px rgba(255,111,0,0.3); }
.ivf-cta-btn-msg {
    background: transparent;
    color: #fff;
    border: 0.5px solid rgba(255,255,255,0.3);
}
.ivf-cta-btn-msg:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: #fff; }
/* ===== News List Page ===== */
.ivf-news-list-section { padding: 60px 0 100px; background: var(--ivf-bg); }
.ivf-news-list-main { padding-right: 30px; }
.ivf-news-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 0.5px solid var(--ivf-border-light);
}
.ivf-news-filter { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ivf-news-filter-label { font-size: 13px; color: var(--ivf-text-muted); font-weight: 500; }
.ivf-news-filter-tag {
    display: inline-flex;
    padding: 6px 14px;
    border: 0.5px solid var(--ivf-border-light);
    border-radius: 100px;
    font-size: 13px;
    color: var(--ivf-text-body);
    transition: var(--ivf-transition);
}
.ivf-news-filter-tag:hover, .ivf-news-filter-tag.active {
    background: var(--ivf-primary);
    color: #fff;
    border-color: var(--ivf-primary);
}
.ivf-news-sort { display: flex; align-items: center; gap: 8px; }
.ivf-news-sort-label { font-size: 13px; color: var(--ivf-text-muted); }
.ivf-news-sort-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--ivf-text-muted);
    padding: 4px 10px;
}
.ivf-news-sort-link.active { color: var(--ivf-primary); font-weight: 600; }

/* News List Items */
.ivf-news-list { display: flex; flex-direction: column; gap: 24px; }
.ivf-news-list-item {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    overflow: hidden;
    transition: var(--ivf-transition-smooth);
}
.ivf-news-list-item:hover {
    box-shadow: var(--ivf-shadow);
    border-color: var(--ivf-primary-light);
}
.ivf-news-list-inner { align-items: stretch; }
.ivf-news-list-img-col { padding: 0; }
.ivf-news-list-img-wrap {
    display: block;
    height: 100%;
    min-height: 180px;
    position: relative;
    overflow: hidden;
}
.ivf-news-list-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.ivf-news-list-item:hover .ivf-news-list-img { transform: scale(1.05); }
.ivf-news-list-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(21, 101, 192, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--ivf-transition-smooth);
}
.ivf-news-list-item:hover .ivf-news-list-img-overlay { opacity: 1; }
.ivf-news-list-img-overlay i { font-size: 28px; color: #fff; }
.ivf-news-list-body { padding: 24px; }
.ivf-news-list-meta {
    display: flex;
    gap: 14px;
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--ivf-text-muted);
    flex-wrap: wrap;
}
.ivf-news-list-meta i { color: var(--ivf-primary-light); }
.ivf-news-list-title { font-size: 17px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.ivf-news-list-title a { color: var(--ivf-text-dark); }
.ivf-news-list-title a:hover { color: var(--ivf-primary); }
.ivf-news-list-excerpt { font-size: 14px; color: var(--ivf-text-muted); line-height: 1.6; margin-bottom: 14px; }
.ivf-news-list-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.ivf-news-list-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ivf-primary);
}
.ivf-news-list-readmore:hover { gap: 10px; }
.ivf-news-list-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.ivf-news-list-tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--ivf-primary-soft);
    color: var(--ivf-primary);
    border-radius: 100px;
    font-size: 11px;
}

/* Empty State */
.ivf-news-empty {
    text-align: center;
    padding: 60px 20px;
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
}
.ivf-news-empty-icon { font-size: 48px; color: var(--ivf-border-light); margin-bottom: 16px; }
.ivf-news-empty-title { font-size: 18px; color: var(--ivf-text-dark); margin-bottom: 8px; }
.ivf-news-empty-desc { font-size: 14px; color: var(--ivf-text-muted); margin-bottom: 20px; }
.ivf-news-empty-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--ivf-primary);
    color: #fff;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 14px;
}

/* Pagination */
.ivf-pagination-wrap { margin-top: 40px; }

/* News Sidebar */
.ivf-news-sidebar { padding-left: 10px; }
.ivf-sidebar-block {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 24px;
    margin-bottom: 20px;
}
.ivf-sidebar-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--ivf-text-dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ivf-sidebar-title i { color: var(--ivf-primary); }

/* Search */
.ivf-search-group { border-radius: var(--ivf-radius-sm); overflow: hidden; }
.ivf-search-input {
    border: 0.5px solid var(--ivf-border-light);
    font-size: 14px;
    padding: 10px 14px;
}
.ivf-search-input:focus { box-shadow: none; border-color: var(--ivf-primary); }
.ivf-search-btn {
    background: var(--ivf-primary);
    color: #fff;
    border: none;
    padding: 10px 16px;
}
.ivf-search-btn:hover { background: var(--ivf-primary-dark); color: #fff; }

/* Sidebar Categories */
.ivf-sidebar-list { list-style: none; padding: 0; margin: 0; }
.ivf-sidebar-item { border-bottom: 0.5px solid var(--ivf-border-subtle); }
.ivf-sidebar-item:last-child { border-bottom: none; }
.ivf-sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
    color: var(--ivf-text-body);
}
.ivf-sidebar-link:hover, .ivf-sidebar-link.active { color: var(--ivf-primary); }
.ivf-sidebar-link-arrow { font-size: 11px; color: var(--ivf-text-muted); transition: var(--ivf-transition); }
.ivf-sidebar-link:hover .ivf-sidebar-link-arrow { transform: translateX(4px); color: var(--ivf-primary); }

/* Random News Sidebar */
.ivf-sidebar-random-list { display: flex; flex-direction: column; gap: 14px; }
.ivf-sidebar-random-item { display: flex; gap: 12px; }
.ivf-sidebar-random-img-wrap {
    flex-shrink: 0;
    width: 70px;
    height: 52px;
    border-radius: var(--ivf-radius-sm);
    overflow: hidden;
}
.ivf-sidebar-random-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.ivf-sidebar-random-item:hover .ivf-sidebar-random-img { transform: scale(1.1); }
.ivf-sidebar-random-body { flex: 1; min-width: 0; }
.ivf-sidebar-random-title { font-size: 13px; font-weight: 600; line-height: 1.4; margin-bottom: 4px; }
.ivf-sidebar-random-title a { color: var(--ivf-text-dark); }
.ivf-sidebar-random-title a:hover { color: var(--ivf-primary); }
.ivf-sidebar-random-date { font-size: 11px; color: var(--ivf-text-muted); }

/* Tag Cloud */
.ivf-sidebar-tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.ivf-sidebar-tag {
    display: inline-block;
    padding: 5px 12px;
    border: 0.5px solid var(--ivf-border-light);
    border-radius: 100px;
    font-size: 12px;
    color: var(--ivf-text-muted);
    transition: var(--ivf-transition);
}
.ivf-sidebar-tag:hover {
    background: var(--ivf-primary);
    color: #fff;
    border-color: var(--ivf-primary);
}

/* Sidebar Contact */
.ivf-sidebar-contact-inner { display: flex; flex-direction: column; gap: 14px; }
.ivf-sidebar-contact-item { display: flex; align-items: flex-start; gap: 10px; }
.ivf-sidebar-contact-item > i { font-size: 18px; color: var(--ivf-primary); margin-top: 2px; }
.ivf-sidebar-contact-info { flex: 1; }
.ivf-sidebar-contact-label { display: block; font-size: 12px; color: var(--ivf-text-muted); margin-bottom: 2px; }
.ivf-sidebar-contact-value { font-size: 14px; font-weight: 600; color: var(--ivf-text-dark); }
.ivf-sidebar-contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 10px;
    background: var(--ivf-primary);
    color: #fff;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 13px;
    margin-top: 4px;
    transition: var(--ivf-transition);
}
.ivf-sidebar-contact-btn:hover { background: var(--ivf-primary-dark); color: #fff; }

/* Sidebar Notice */
.ivf-sidebar-notice-list { display: flex; flex-direction: column; gap: 10px; }
.ivf-sidebar-notice-item { display: flex; align-items: flex-start; gap: 8px; }
.ivf-sidebar-notice-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--ivf-accent);
    flex-shrink: 0;
    margin-top: 6px;
}
.ivf-sidebar-notice-text { font-size: 13px; color: var(--ivf-text-body); line-height: 1.5; }

/* News CTA Bottom */
.ivf-news-cta { padding: 60px 0; background: var(--ivf-bg-light); }
.ivf-news-cta-box {
    background: linear-gradient(135deg, var(--ivf-primary-dark), var(--ivf-primary));
    border-radius: var(--ivf-radius);
    padding: 40px;
    color: #fff;
}
.ivf-news-cta-title { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.ivf-news-cta-desc { font-size: 14px; color: rgba(255,255,255,0.8); margin: 0; }
.ivf-news-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--ivf-accent);
    color: #fff;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--ivf-transition);
}
.ivf-news-cta-btn:hover { background: var(--ivf-accent-light); color: #fff; transform: translateY(-3px); }

/* ===== News Detail Page ===== */
.ivf-detail-page { padding-bottom: 80px; }
.ivf-detail-header .ivf-page-header-inner { padding-bottom: 20px; }
.ivf-detail-hero { margin-top: 20px; }
.ivf-detail-hero-row { align-items: stretch; }
.ivf-detail-hero-main { padding: 0; }
.ivf-detail-hero-img-wrap {
    position: relative;
    border-radius: var(--ivf-radius);
    overflow: hidden;
    height: 100%;
    min-height: 300px;
}
.ivf-detail-hero-img { width: 100%; height: 100%; object-fit: cover; }
.ivf-detail-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,22,40,0.6), transparent 60%);
}
.ivf-detail-hero-side {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 30px;
}
.ivf-detail-hero-info { color: #fff; }
.ivf-detail-hero-cate {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border-radius: 100px;
    font-size: 12px;
    margin-bottom: 14px;
}
.ivf-detail-hero-title { font-size: 22px; font-weight: 700; line-height: 1.4; margin-bottom: 14px; }
.ivf-detail-hero-meta { display: flex; gap: 16px; margin-bottom: 16px; font-size: 13px; color: rgba(255,255,255,0.8); flex-wrap: wrap; }
.ivf-detail-hero-meta i { color: var(--ivf-accent-light); }
.ivf-detail-hero-keywords { display: flex; gap: 6px; flex-wrap: wrap; }
.ivf-detail-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(255,255,255,0.1);
    border: 0.5px solid rgba(255,255,255,0.2);
    border-radius: 100px;
    font-size: 11px;
    color: rgba(255,255,255,0.9);
    transition: var(--ivf-transition);
}
.ivf-detail-hero-tag:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* Detail Content */
.ivf-detail-content { padding: 60px 0; }
.ivf-detail-main { padding-right: 30px; }
.ivf-detail-article { background: var(--ivf-bg-card); border: 0.5px solid var(--ivf-border-light); border-radius: var(--ivf-radius); padding: 40px; }
.ivf-detail-summary {
    background: var(--ivf-primary-soft);
    border-left: 3px solid var(--ivf-primary);
    border-radius: 0 var(--ivf-radius-sm) var(--ivf-radius-sm) 0;
    padding: 20px 24px;
    margin-bottom: 32px;
    display: flex;
    gap: 12px;
}
.ivf-detail-summary i { font-size: 20px; color: var(--ivf-primary); flex-shrink: 0; margin-top: 2px; }
.ivf-detail-summary p { margin: 0; font-size: 15px; color: var(--ivf-text-body); line-height: 1.7; }

/* Content Body Styling (for injected HTML) */
.ivf-detail-body { font-size: 15px; line-height: 1.9; color: var(--ivf-text-body); }
.ivf-detail-body h2, .ivf-detail-body h3, .ivf-detail-body h4 { color: var(--ivf-text-dark); margin-top: 32px; margin-bottom: 16px; font-weight: 700; }
.ivf-detail-body h2 { font-size: 22px; }
.ivf-detail-body h3 { font-size: 18px; }
.ivf-detail-body p { margin-bottom: 16px; }
.ivf-detail-body img { max-width: 100%; border-radius: var(--ivf-radius-sm); margin: 16px 0; }
.ivf-detail-body ul, .ivf-detail-body ol { padding-left: 24px; margin-bottom: 16px; }
.ivf-detail-body li { margin-bottom: 8px; }
.ivf-detail-body blockquote {
    background: var(--ivf-bg-light);
    border-left: 3px solid var(--ivf-accent);
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 0 var(--ivf-radius-sm) var(--ivf-radius-sm) 0;
    font-style: italic;
}

/* Detail Footer */
.ivf-detail-footer { margin-top: 40px; padding-top: 24px; border-top: 0.5px solid var(--ivf-border-light); }
.ivf-detail-footer-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.ivf-detail-share { display: flex; align-items: center; gap: 8px; }
.ivf-detail-share-label { font-size: 13px; color: var(--ivf-text-muted); }
.ivf-detail-share-btn {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--ivf-primary-soft);
    color: var(--ivf-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: var(--ivf-transition);
}
.ivf-detail-share-btn:hover { background: var(--ivf-primary); color: #fff; }
.ivf-detail-actions { display: flex; gap: 8px; }
.ivf-detail-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    background: transparent;
    color: var(--ivf-text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: var(--ivf-transition);
}
.ivf-detail-action-btn:hover { border-color: var(--ivf-primary); color: var(--ivf-primary); background: var(--ivf-primary-soft); }

/* Prev/Next Nav */
.ivf-detail-nav { padding-top: 20px; border-top: 0.5px solid var(--ivf-border-light); }
.ivf-detail-nav-row { align-items: stretch; }
.ivf-detail-nav-prev, .ivf-detail-nav-next { display: flex; flex-direction: column; }
.ivf-detail-nav-label { font-size: 12px; color: var(--ivf-text-muted); margin-bottom: 6px; }
.ivf-detail-nav-link { font-size: 14px; font-weight: 600; color: var(--ivf-text-dark); line-height: 1.4; }
.ivf-detail-nav-link:hover { color: var(--ivf-primary); }

/* Comment/Contact Area */
.ivf-detail-comment-area {
    margin-top: 32px;
    background: var(--ivf-bg-light);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 32px;
}
.ivf-detail-comment-title { font-size: 18px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 8px; }
.ivf-detail-comment-desc { font-size: 14px; color: var(--ivf-text-muted); margin-bottom: 20px; }
.ivf-detail-form-row { row-gap: 16px; }
.ivf-detail-form-group { display: flex; flex-direction: column; gap: 6px; }
.ivf-detail-form-label { font-size: 13px; font-weight: 500; color: var(--ivf-text-dark); }
.ivf-detail-form-input {
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    padding: 10px 14px;
    font-size: 14px;
}
.ivf-detail-form-input:focus { border-color: var(--ivf-primary); box-shadow: 0 0 0 3px var(--ivf-primary-soft); }
.ivf-detail-form-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 10px 24px;
    background: var(--ivf-primary);
    color: #fff;
    border: none;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--ivf-transition);
}
.ivf-detail-form-btn:hover { background: var(--ivf-primary-dark); color: #fff; }

/* Detail Sidebar */
.ivf-detail-sidebar { padding-left: 10px; }
.ivf-sidebar-author {
    text-align: center;
    padding: 28px;
}
.ivf-sidebar-author-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; text-align: left; }
.ivf-sidebar-author-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--ivf-primary-soft); }
.ivf-sidebar-author-name { font-size: 15px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 2px; }
.ivf-sidebar-author-role { font-size: 12px; color: var(--ivf-text-muted); }
.ivf-sidebar-author-desc { font-size: 13px; color: var(--ivf-text-muted); line-height: 1.6; margin-bottom: 14px; text-align: left; }
.ivf-sidebar-author-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ivf-primary);
}

/* Related Articles */
.ivf-sidebar-related-list { display: flex; flex-direction: column; gap: 14px; }
.ivf-sidebar-related-item { display: flex; gap: 12px; }
.ivf-sidebar-related-img-wrap { flex-shrink: 0; width: 80px; height: 60px; border-radius: var(--ivf-radius-sm); overflow: hidden; }
.ivf-sidebar-related-img { width: 100%; height: 100%; object-fit: cover; }
.ivf-sidebar-related-body { flex: 1; min-width: 0; }
.ivf-sidebar-related-title { font-size: 13px; font-weight: 600; line-height: 1.4; margin-bottom: 4px; }
.ivf-sidebar-related-title a { color: var(--ivf-text-dark); }
.ivf-sidebar-related-title a:hover { color: var(--ivf-primary); }
.ivf-sidebar-related-date { font-size: 11px; color: var(--ivf-text-muted); }

/* Quick Nav */
.ivf-sidebar-quick-list { display: flex; flex-direction: column; gap: 4px; }
.ivf-sidebar-quick-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--ivf-radius-sm);
    font-size: 14px;
    color: var(--ivf-text-body);
    transition: var(--ivf-transition);
}
.ivf-sidebar-quick-item i { font-size: 16px; color: var(--ivf-primary); }
.ivf-sidebar-quick-item:hover { background: var(--ivf-primary-soft); color: var(--ivf-primary); }

/* Bottom Related */
.ivf-detail-bottom-news { padding: 80px 0; background: var(--ivf-bg-light); }
.ivf-detail-bottom-row { row-gap: 24px; margin-top: 32px; }
.ivf-detail-bottom-card { background: var(--ivf-bg-card); border: 0.5px solid var(--ivf-border-light); border-radius: var(--ivf-radius); overflow: hidden; transition: var(--ivf-transition-smooth); }
.ivf-detail-bottom-card:hover { box-shadow: var(--ivf-shadow); border-color: var(--ivf-primary-light); }
.ivf-detail-bottom-img-wrap { display: block; aspect-ratio: 16/10; overflow: hidden; }
.ivf-detail-bottom-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.ivf-detail-bottom-card:hover .ivf-detail-bottom-img { transform: scale(1.08); }
.ivf-detail-bottom-title { padding: 14px 16px; font-size: 14px; font-weight: 600; line-height: 1.4; margin: 0; }
.ivf-detail-bottom-title a { color: var(--ivf-text-dark); }
.ivf-detail-bottom-title a:hover { color: var(--ivf-primary); }

/* ===== About Page ===== */
.ivf-about-page { padding-bottom: 80px; }
.ivf-about-brand { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-about-brand-row { align-items: center; }
.ivf-about-brand-content { margin-top: 20px; }
.ivf-about-brand-para { font-size: 15px; color: var(--ivf-text-body); line-height: 1.9; margin-bottom: 16px; }
.ivf-drop-cap {
    float: left;
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    padding-right: 12px;
    color: var(--ivf-primary);
    margin-top: 4px;
}
.ivf-about-brand-sign { margin-top: 24px; display: flex; align-items: center; gap: 12px; }
.ivf-about-brand-sign-img { height: 48px; width: auto; opacity: 0.7; }
.ivf-about-brand-sign-text { font-size: 13px; color: var(--ivf-text-muted); font-style: italic; }

/* About Visual */
.ivf-about-brand-visual { position: relative; padding: 20px; }
.ivf-about-brand-img-main { border-radius: var(--ivf-radius); overflow: hidden; border: 0.5px solid var(--ivf-border-light); }
.ivf-about-brand-img-sub {
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 45%;
    border-radius: var(--ivf-radius);
    overflow: hidden;
    border: 3px solid var(--ivf-bg);
    box-shadow: var(--ivf-shadow);
}
.ivf-about-brand-img { width: 100%; height: auto; display: block; }
.ivf-about-brand-badge {
    position: absolute;
    top: 40px;
    right: 10px;
    background: var(--ivf-primary);
    color: #fff;
    padding: 16px 20px;
    border-radius: var(--ivf-radius);
    text-align: center;
    box-shadow: var(--ivf-shadow-lg);
}
.ivf-about-brand-badge-num { display: block; font-size: 32px; font-weight: 700; line-height: 1; }
.ivf-about-brand-badge-text { font-size: 12px; opacity: 0.9; }

/* About Stats */
.ivf-about-stats { padding: var(--ivf-section-pad) 0; background: linear-gradient(135deg, var(--ivf-primary-dark), var(--ivf-primary)); color: #fff; }
.ivf-about-stats-item { text-align: center; }
.ivf-about-stats-icon { font-size: 36px; margin-bottom: 12px; opacity: 0.9; }
.ivf-about-stats-num { font-size: 40px; font-weight: 700; color: var(--ivf-accent-light); }
.ivf-about-stats-unit { font-size: 20px; color: var(--ivf-accent-light); opacity: 0.8; }
.ivf-about-stats-label { display: block; font-size: 14px; opacity: 0.8; margin-top: 4px; }

/* About Advantages */
.ivf-about-advantages { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg-light); }
.ivf-about-adv-row { row-gap: 24px; }
.ivf-about-adv-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 36px 28px;
    height: 100%;
    transition: var(--ivf-transition-smooth);
    position: relative;
    overflow: hidden;
}
.ivf-about-adv-card:hover { box-shadow: var(--ivf-shadow); border-color: var(--ivf-primary-light); transform: translateY(-6px); }
.ivf-about-adv-num {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 48px;
    font-weight: 800;
    color: var(--ivf-border-subtle);
    line-height: 1;
    font-family: var(--ivf-font-base);
}
.ivf-about-adv-icon {
    width: 56px; height: 56px;
    border-radius: var(--ivf-radius-sm);
    background: var(--ivf-primary-soft);
    color: var(--ivf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    border: 0.5px solid var(--ivf-border-light);
}
.ivf-about-adv-title { font-size: 17px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 10px; }
.ivf-about-adv-desc { font-size: 14px; color: var(--ivf-text-muted); line-height: 1.7; margin: 0; }

/* About Process */
.ivf-about-process { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-about-process-track { position: relative; margin-top: 40px; }
.ivf-about-process-track::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ivf-border-light), transparent);
}
.ivf-about-process-col { text-align: center; }
.ivf-about-process-item { position: relative; }
.ivf-about-process-step { position: relative; margin-bottom: 16px; }
.ivf-about-process-num {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    color: var(--ivf-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    position: relative;
    z-index: 1;
    transition: var(--ivf-transition);
    box-shadow: var(--ivf-shadow-sm);
}
.ivf-about-process-item:hover .ivf-about-process-num { background: var(--ivf-primary); color: #fff; border-color: var(--ivf-primary); transform: scale(1.1); }
.ivf-about-process-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--ivf-accent);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: var(--ivf-transition);
}
.ivf-about-process-item:hover .ivf-about-process-dot { opacity: 1; }
.ivf-about-process-title { font-size: 15px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 6px; }
.ivf-about-process-desc { font-size: 13px; color: var(--ivf-text-muted); line-height: 1.6; max-width: 200px; margin: 0 auto; }

/* About Partners */
.ivf-about-partners { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg-light); }
.ivf-about-partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
    margin-top: 40px;
}
.ivf-about-partner-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    padding: 24px 16px;
    text-align: center;
    transition: var(--ivf-transition-smooth);
}
.ivf-about-partner-card:hover { border-color: var(--ivf-primary-light); box-shadow: var(--ivf-shadow); transform: translateY(-4px); }
.ivf-about-partner-logo { width: 80%; height: 48px; object-fit: contain; margin: 0 auto 10px; filter: grayscale(100%) opacity(0.6); transition: var(--ivf-transition); }
.ivf-about-partner-card:hover .ivf-about-partner-logo { filter: grayscale(0%) opacity(1); }
.ivf-about-partner-name { font-size: 12px; color: var(--ivf-text-muted); }

/* About Honors */
.ivf-about-honors { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-about-honor-row { row-gap: 24px; }
.ivf-about-honor-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 32px 24px;
    text-align: center;
    height: 100%;
    transition: var(--ivf-transition-smooth);
}
.ivf-about-honor-card:hover { border-color: var(--ivf-primary); box-shadow: var(--ivf-shadow); }
.ivf-about-honor-card i { font-size: 36px; color: var(--ivf-primary); margin-bottom: 14px; }
.ivf-about-honor-card h4 { font-size: 16px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 8px; }
.ivf-about-honor-card p { font-size: 13px; color: var(--ivf-text-muted); margin: 0; }

/* About CTA */
.ivf-about-cta { padding: var(--ivf-section-pad) 0; background: linear-gradient(135deg, var(--ivf-primary-dark), var(--ivf-primary)); }
.ivf-about-cta-box {
    background: rgba(255,255,255,0.05);
    border: 0.5px solid rgba(255,255,255,0.1);
    border-radius: var(--ivf-radius);
    padding: 48px;
    color: #fff;
}
.ivf-about-cta-title { font-size: 26px; font-weight: 700; margin-bottom: 12px; }
.ivf-about-cta-desc { font-size: 15px; color: rgba(255,255,255,0.8); margin-bottom: 0; }
.ivf-about-cta-buttons { display: flex; flex-direction: column; gap: 12px; }
.ivf-about-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--ivf-transition);
}
.ivf-about-cta-tel { background: var(--ivf-accent); color: #fff; }
.ivf-about-cta-tel:hover { background: var(--ivf-accent-light); color: #fff; transform: translateY(-3px); }
.ivf-about-cta-msg { background: transparent; color: #fff; border: 0.5px solid rgba(255,255,255,0.3); }
.ivf-about-cta-msg:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: #fff; }

/* ===== Contact Page ===== */
.ivf-contact-page { padding-bottom: 80px; }
.ivf-contact-cards { padding: 60px 0; background: var(--ivf-bg-light); }
.ivf-contact-cards-row { row-gap: 20px; }
.ivf-contact-card {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius);
    padding: 32px 24px;
    text-align: center;
    height: 100%;
    transition: var(--ivf-transition-smooth);
    position: relative;
    overflow: hidden;
}
.ivf-contact-card:hover { box-shadow: var(--ivf-shadow); transform: translateY(-6px); border-color: var(--ivf-primary-light); }
.ivf-contact-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
    border: 0.5px solid var(--ivf-border-light);
}
.ivf-contact-tel .ivf-contact-card-icon { background: var(--ivf-primary-soft); color: var(--ivf-primary); }
.ivf-contact-wechat .ivf-contact-card-icon { background: var(--ivf-accent-soft); color: var(--ivf-accent); }
.ivf-contact-email .ivf-contact-card-icon { background: #E8F5E9; color: #4CAF50; }
.ivf-contact-address .ivf-contact-card-icon { background: #FFF3E0; color: #FF9800; }
.ivf-contact-card-title { font-size: 17px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 6px; }
.ivf-contact-card-desc { font-size: 13px; color: var(--ivf-text-muted); margin-bottom: 12px; }
.ivf-contact-card-value { display: block; font-size: 15px; font-weight: 600; color: var(--ivf-text-dark); margin-bottom: 16px; word-break: break-all; }
.ivf-contact-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--ivf-radius-sm);
    font-size: 13px;
    font-weight: 600;
    transition: var(--ivf-transition);
    border: none;
    cursor: pointer;
}
.ivf-contact-tel .ivf-contact-card-btn { background: var(--ivf-primary-soft); color: var(--ivf-primary); }
.ivf-contact-tel .ivf-contact-card-btn:hover { background: var(--ivf-primary); color: #fff; }
.ivf-contact-wechat .ivf-contact-card-btn { background: var(--ivf-accent-soft); color: var(--ivf-accent); }
.ivf-contact-wechat .ivf-contact-card-btn:hover { background: var(--ivf-accent); color: #fff; }
.ivf-contact-email .ivf-contact-card-btn { background: #E8F5E9; color: #4CAF50; }
.ivf-contact-email .ivf-contact-card-btn:hover { background: #4CAF50; color: #fff; }
.ivf-contact-address .ivf-contact-card-btn { background: #FFF3E0; color: #FF9800; }
.ivf-contact-address .ivf-contact-card-btn:hover { background: #FF9800; color: #fff; }

/* Contact Form Section */
.ivf-contact-form-section { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg); }
.ivf-contact-form-row { align-items: stretch; }
.ivf-contact-form-left { padding-right: 40px; }
.ivf-contact-form-desc { font-size: 15px; color: var(--ivf-text-muted); line-height: 1.7; margin-bottom: 28px; }
.ivf-contact-form { background: var(--ivf-bg-card); border: 0.5px solid var(--ivf-border-light); border-radius: var(--ivf-radius); padding: 32px; }
.ivf-contact-form-inner { row-gap: 18px; }
.ivf-contact-form-col { display: flex; flex-direction: column; }
.ivf-contact-form-group { display: flex; flex-direction: column; gap: 6px; }
.ivf-contact-form-label { font-size: 13px; font-weight: 500; color: var(--ivf-text-dark); display: flex; align-items: center; gap: 4px; }
.ivf-contact-required { color: #E53935; }
.ivf-contact-input, .ivf-contact-textarea {
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    padding: 12px 14px;
    font-size: 14px;
    color: var(--ivf-text-body);
    transition: var(--ivf-transition-smooth);
}
.ivf-contact-input:focus, .ivf-contact-textarea:focus { border-color: var(--ivf-primary); box-shadow: 0 0 0 3px var(--ivf-primary-soft); outline: none; }
.ivf-contact-textarea { resize: vertical; min-height: 120px; }
.ivf-contact-form-submit { margin-top: 8px; }
.ivf-contact-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--ivf-primary);
    color: #fff;
    border: none;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--ivf-transition);
    cursor: pointer;
}
.ivf-contact-submit-btn:hover { background: var(--ivf-primary-dark); color: #fff; transform: translateY(-3px); box-shadow: var(--ivf-shadow); }
.ivf-contact-form-tip { font-size: 12px; color: var(--ivf-text-muted); margin-top: 8px; display: flex; align-items: center; gap: 4px; }

/* Contact Success */
.ivf-contact-success { text-align: center; padding: 48px; background: var(--ivf-bg-card); border: 0.5px solid var(--ivf-border-light); border-radius: var(--ivf-radius); }
.ivf-contact-success-icon { font-size: 48px; color: #4CAF50; margin-bottom: 16px; }
.ivf-contact-success-title { font-size: 20px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 8px; }
.ivf-contact-success-desc { font-size: 14px; color: var(--ivf-text-muted); margin: 0; }

/* Contact Right - Map & QR */
.ivf-contact-form-right { display: flex; flex-direction: column; gap: 24px; }
.ivf-contact-map-wrap { border-radius: var(--ivf-radius); overflow: hidden; border: 0.5px solid var(--ivf-border-light); }
.ivf-contact-map-placeholder { position: relative; }
.ivf-contact-map-img { width: 100%; height: auto; display: block; }
.ivf-contact-map-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10,22,40,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}
.ivf-contact-map-pin {
    background: var(--ivf-accent);
    color: #fff;
    padding: 10px 18px;
    border-radius: var(--ivf-radius-sm);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ivf-contact-map-pin i { font-size: 18px; }

.ivf-contact-qr-wrap { background: var(--ivf-bg-card); border: 0.5px solid var(--ivf-border-light); border-radius: var(--ivf-radius); padding: 24px; }
.ivf-contact-qr-row { align-items: center; }
.ivf-contact-qr-card { text-align: center; }
.ivf-contact-qr-img { width: 100%; max-width: 140px; border-radius: var(--ivf-radius-sm); border: 0.5px solid var(--ivf-border-light); }
.ivf-contact-qr-label { display: block; margin-top: 8px; font-size: 12px; color: var(--ivf-text-muted); }
.ivf-contact-qr-title { font-size: 16px; font-weight: 700; color: var(--ivf-text-dark); margin-bottom: 12px; }
.ivf-contact-qr-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.ivf-contact-qr-list li { font-size: 13px; color: var(--ivf-text-body); display: flex; align-items: center; gap: 8px; }
.ivf-contact-qr-list li i { color: var(--ivf-accent); font-size: 14px; }

/* Contact FAQ */
.ivf-contact-faq { padding: var(--ivf-section-pad) 0; background: var(--ivf-bg-light); }
.ivf-contact-faq-row { row-gap: 16px; margin-top: 32px; }
.ivf-contact-faq-item {
    background: var(--ivf-bg-card);
    border: 0.5px solid var(--ivf-border-light);
    border-radius: var(--ivf-radius-sm);
    overflow: hidden;
    transition: var(--ivf-transition-smooth);
}
.ivf-contact-faq-item:hover { border-color: var(--ivf-primary-light); box-shadow: var(--ivf-shadow-sm); }
.ivf-contact-faq-question {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ivf-text-dark);
    cursor: pointer;
    list-style: none;
}
.ivf-contact-faq-question::-webkit-details-marker { display: none; }
.ivf-contact-faq-question i { font-size: 18px; color: var(--ivf-primary); flex-shrink: 0; }
.ivf-contact-faq-answer { padding: 0 20px 16px 48px; font-size: 14px; color: var(--ivf-text-muted); line-height: 1.7; }
.ivf-contact-faq-answer p { margin: 0; }

/* Contact Promise */
.ivf-contact-promise { padding: 60px 0 100px; background: var(--ivf-bg); }
.ivf-contact-promise-box {
    background: linear-gradient(135deg, var(--ivf-primary-dark), var(--ivf-primary));
    border-radius: var(--ivf-radius);
    padding: 40px;
    color: #fff;
}
.ivf-contact-promise-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.ivf-contact-promise-list { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.ivf-contact-promise-item { font-size: 14px; display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.9); }
.ivf-contact-promise-item i { color: var(--ivf-accent-light); }
.ivf-contact-promise-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--ivf-accent);
    color: #fff;
    border-radius: var(--ivf-radius-sm);
    font-weight: 600;
    font-size: 15px;
    transition: var(--ivf-transition);
}
.ivf-contact-promise-btn:hover { background: var(--ivf-accent-light); color: #fff; transform: translateY(-3px); box-shadow: 0 8px 20px rgba(255,111,0,0.3); }

/* ===== Footer ===== */
.ivf-footer { background: var(--ivf-bg-dark); color: rgba(255,255,255,0.7); }
.ivf-footer-main { padding: 80px 0 40px; }
.ivf-footer-row { row-gap: 32px; }
.ivf-footer-col { padding: 0 15px; }
.ivf-footer-brand-logo { height: 40px; width: auto; margin-bottom: 14px; filter: brightness(0) invert(1); opacity: 0.9; }
.ivf-footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); margin-bottom: 16px; }
.ivf-footer-contact-mini { display: flex; flex-direction: column; gap: 8px; }
.ivf-footer-contact-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.6); }
.ivf-footer-contact-item i { color: var(--ivf-accent-light); }
.ivf-footer-tel { color: rgba(255,255,255,0.8); font-weight: 600; }
.ivf-footer-tel:hover { color: var(--ivf-accent-light); }

/* Footer Links */
.ivf-footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.ivf-footer-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.ivf-footer-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: rgba(255,255,255,0.6); transition: var(--ivf-transition); }
.ivf-footer-link i { font-size: 10px; color: var(--ivf-primary-light); }
.ivf-footer-link:hover { color: var(--ivf-accent-light); padding-left: 4px; }

/* Footer QR */
.ivf-footer-qr-box { text-align: center; }
.ivf-footer-qr-img { width: 120px; height: 120px; border-radius: var(--ivf-radius-sm); display: block; margin: 0 auto 8px; }
.ivf-footer-qr-tip { display: block; font-size: 12px; color: rgba(255,255,255,0.8); }
.ivf-footer-qr-hint { display: block; font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 2px; }

/* Friendship Links */
.ivf-friendship { border-top: 0.5px solid rgba(255,255,255,0.08); padding: 16px 0; }
.ivf-friendship-inner { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ivf-friendship-label { font-size: 13px; color: rgba(255,255,255,0.5); flex-shrink: 0; }
.ivf-friendship-links { display: flex; gap: 16px; flex-wrap: wrap; }
.ivf-friendship-link { font-size: 13px; color: rgba(255,255,255,0.5); transition: var(--ivf-transition); }
.ivf-friendship-link:hover { color: var(--ivf-accent-light); }

/* Copyright */
.ivf-copyright { border-top: 0.5px solid rgba(255,255,255,0.08); padding: 20px 0; }
.ivf-copyright-text { font-size: 13px; color: rgba(255,255,255,0.5); }
.ivf-copyright-line { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.ivf-copyright-divider { opacity: 0.3; }
.ivf-copyright-disclaimer { margin-top: 4px; font-size: 12px; }
.ivf-copyright-disclaimer a { color: rgba(255,255,255,0.5); }
.ivf-copyright-disclaimer a:hover { color: var(--ivf-accent-light); }
.ivf-copyright-meta { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
.ivf-copyright-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: rgba(255,255,255,0.05);
    border-radius: 100px;
    font-size: 12px;
    color: rgba(255,255,255,0.6);
}
.ivf-copyright-badge i { color: var(--ivf-accent-light); }
/* ===== Responsive / 响应式适配 ===== */
@media (max-width: 1199.98px) {
    .ivf-hero-split-inner { flex-direction: column; }
    .ivf-hero-left { width: 100%; height: 400px; }
    .ivf-hero-right { width: 100%; padding: 40px; }
    .ivf-about-brand-visual { margin-top: 40px; }
    .ivf-timeline-item:nth-child(odd),
    .ivf-timeline-item:nth-child(even) { padding-left: 80px; padding-right: 0; text-align: left; }
    .ivf-timeline-container::before { left: 30px; }
    .ivf-timeline-marker { left: 30px; transform: translateX(-50%); }
}

@media (max-width: 991.98px) {
    :root { --ivf-section-pad: 60px; }
    .ivf-topbar { display: none !important; }
    .ivf-news-list-main { padding-right: 0; margin-bottom: 40px; }
    .ivf-news-sidebar { padding-left: 0; }
    .ivf-detail-main { padding-right: 0; margin-bottom: 40px; }
    .ivf-detail-sidebar { padding-left: 0; }
    .ivf-contact-form-left { padding-right: 0; margin-bottom: 32px; }
    .ivf-contact-form-right { padding-left: 0; }
    .ivf-about-process-track::before { display: none; }
    .ivf-about-process-step { margin-bottom: 10px; }
    .ivf-contact-cards-row .col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-cities-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
}

@media (max-width: 767.98px) {
    .ivf-hero-right { padding: 32px 20px; }
    .ivf-hero-stats { gap: 20px; }
    .ivf-hero-stat-num { font-size: 24px; }
    .ivf-about-brand-img-sub { width: 50%; bottom: -10px; left: -10px; }
    .ivf-about-brand-badge { top: 10px; right: 10px; padding: 12px 16px; }
    .ivf-about-brand-badge-num { font-size: 24px; }
    .ivf-faq-left { padding-right: 0; margin-bottom: 32px; }
    .ivf-cta-box, .ivf-about-cta-box, .ivf-contact-promise-box, .ivf-news-cta-box { padding: 28px; }
    .ivf-page-title { font-size: 24px; }
    .ivf-detail-hero-side { padding: 20px; }
    .ivf-detail-hero-title { font-size: 18px; }
    .ivf-detail-article { padding: 24px; }
    .ivf-detail-footer-top { flex-direction: column; align-items: flex-start; }
    .ivf-contact-form { padding: 20px; }
    .ivf-contact-card { padding: 24px 16px; }
    .ivf-footer-main { padding: 48px 0 24px; }
    .ivf-copyright-meta { justify-content: flex-start; margin-top: 8px; }
    .ivf-service-row .col-6,
    .ivf-news-row .col-6,
    .ivf-download-row .col-6,
    .ivf-detail-bottom-row .col-6,
    .ivf-about-honor-row .col-6,
    .ivf-contact-faq-row .col-6,
    .ivf-news-list-img-col.col-4,
    .ivf-news-list-body-col.col-8 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
}

@media (max-width: 575.98px) {
    .ivf-section-title { font-size: 22px; }
    .ivf-hero-left { height: 280px; }
    .ivf-hero-title { font-size: 24px; }
    .ivf-hero-desc { font-size: 14px; }
    .ivf-hero-stats { gap: 16px; }
    .ivf-hero-stat-num { font-size: 20px; }
    .ivf-dashboard-circle { width: 110px; height: 110px; }
    .ivf-dashboard-num { font-size: 26px; }
    .ivf-process-content { padding-right: 0; }
    .ivf-cities-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    .ivf-city-card { padding: 8px 10px; }
    .ivf-city-name { font-size: 12px; }
    .ivf-about-partner-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .ivf-detail-bottom-row .col-6,
    .ivf-news-row .col-6,
    .ivf-service-row .col-6,
    .ivf-download-row .col-6,
    .ivf-about-honor-row .col-6,
    .ivf-contact-faq-row .col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-news-list-img-col.col-4,
    .ivf-news-list-body-col.col-8 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-contact-cards-row .col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-news-list-inner .col-4,
    .ivf-news-list-inner .col-8 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-footer-row .col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-detail-nav-row .col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-about-stats-col.col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-about-adv-col.col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-dashboard-col.col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-contact-qr-row .col-6 { min-width: 50%; flex: 0 0 50%; max-width: 50%; }
    .ivf-page-meta { display: none; }
    .ivf-float-cta { display: none; }
    body { padding-bottom: 60px; }
}

/* 强制保持移动端最少2列 - 全局安全声明 */
@media (max-width: 767.98px) {
    .row .col-6,
    .row .col-sm-6,
    .row > [class*="col-"]:not(.col-12):not(.col-md-12):not(.col-lg-12) { min-width: 50% !important; flex: 0 0 50% !important; max-width: 50% !important; }
}

/* ===== Animations / 动效 ===== */
/* Scroll Reveal */
.ivf-scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.ivf-scroll-reveal.visible { opacity: 1; transform: translateY(0); }

/* Stagger children */
.ivf-stagger-1 { transition-delay: 0.1s; }
.ivf-stagger-2 { transition-delay: 0.2s; }
.ivf-stagger-3 { transition-delay: 0.3s; }
.ivf-stagger-4 { transition-delay: 0.4s; }

/* Card hover lift */
.ivf-lift { transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55), box-shadow 0.3s ease; }
.ivf-lift:hover { transform: translateY(-8px); box-shadow: var(--ivf-shadow-lg); }

/* Pulse animation for CTAs */
@keyframes ivfPulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 111, 0, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(255, 111, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 111, 0, 0); }
}
.ivf-pulse { animation: ivfPulse 2s infinite; }

/* Fade in up */
@keyframes ivfFadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.ivf-fade-in { animation: ivfFadeInUp 0.6s ease-out forwards; }

/* Counter animation helper */
.ivf-counting { transition: none; }

/* 3D Tilt effect base */
.ivf-tilt-card { transform-style: preserve-3d; perspective: 1000px; }

/* 减少动画 - prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .ivf-scroll-reveal { opacity: 1; transform: none; }
    .ivf-marquee { animation: none; }
}