/* ============================================================
   宝科雅 PETcura — www.petcura.cn 品牌样式 v2（视觉升级）
   设计语言与 handbook.petcura.cn 统一：
   品牌渐变 #001450→#002878→#0a3d8f / 天蓝 #5078A0 / 浅灰蓝 #F0F4FA / 金 #F0C878
   ============================================================ */

:root {
  /* 品牌色体系 - 科技蓝 + 温暖橘金 */
  --primary: #0044B3;          /* 更明亮通透的科技蓝 */
  --primary-dark: #002266;
  --primary-light: #3377FF;

  --navy: #1E293B;             /* 更温暖的深灰蓝，替代死黑 */
  --navy-m: #334155;           /* 中深灰蓝 */
  --navy-3: #475569;

  /* 界面色 */
  --bg: #FCFBF9;               /* 温暖的奶油白，替代纯白或冷灰 */
  --card: #FFFFFF;
  --text: #334155;             /* 正文色柔和化 */
  --text-l: #64748b;
  --gold: #F59E0B;             /* 温暖有活力的橘金 */
  --gold-deep: #D97706;
  --green: #10B981;            /* 更现代明快的绿 */
  --teal: #14B8A6;             /* 科技感青绿 */
  
  /* 毛玻璃与弥散阴影系统 */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 24px 48px rgba(0, 68, 179, 0.12);

  /* 渐变 */
  --grad: linear-gradient(135deg, #002266 0%, #0044B3 100%);
  --grad-accent: linear-gradient(135deg, #0044B3 0%, #14B8A6 100%);
  --grad-warm: linear-gradient(135deg, #FDF4E6 0%, #FEF9EE 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "Roboto", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.8; font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); }

/* ---------- 顶栏（毛玻璃科技感） ---------- */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  box-shadow: var(--shadow-sm);
}
.topbar-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 22px; height: 82px;
  display: flex; align-items: center; gap: 24px;
}
.topbar .brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.topbar .logo { height: 40px; width: auto; }
.topbar .brand-text { display: flex; flex-direction: column; justify-content: center; text-align: left; }
.topbar .brand-name { font-size: 18px; font-weight: 800; color: var(--navy); letter-spacing: 1px; line-height: 1.1; }
.topbar .brand-tagline { font-size: 11.5px; font-weight: 600; color: var(--blue); letter-spacing: 0.5px; margin-top: 2px; }
.topbar nav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.topbar nav a {
  position: relative;
  display: inline-flex; align-items: center; min-height: 82px;
  padding: 0 14px; color: var(--navy); text-decoration: none;
  font-size: 14.5px; font-weight: 600; letter-spacing: .5px;
  transition: color .2s ease;
}
/* 悬停下划线（Woodmart 式：缩放出现） */
.topbar nav a::before {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 24px; height: 2px;
  background: #2575fc; opacity: 0; transform: scaleX(.2); transition: .2s ease;
}
.topbar nav a:hover { color: #2575fc; }
.topbar nav a:hover::before,
.topbar nav .dropdown:hover .drop-btn::before { opacity: 1; transform: scaleX(1); }
.topbar nav a.lang {
  min-height: 0; margin-left: 10px; padding: 7px 16px;
  border: 1px solid #cbdaf3; border-radius: 30px;
  color: var(--primary); font-size: 12.5px;
}
.topbar nav a.lang::before { display: none; }
/* 下拉菜单（Woodmart 式：淡入+下滑） */
.topbar nav .dropdown { position: relative; }
.topbar nav .drop-btn::after { content: " ▾"; font-size: 10px; opacity: .7; margin-left: 3px; }
.topbar nav .submenu {
  position: absolute; top: 100%; left: 0; z-index: 300;
  min-width: 260px; padding: 10px 0;
  background: #fff; border: 0;
  box-shadow: 0 0 3px rgba(0,0,0,.08), 0 14px 28px rgba(0,0,0,.10);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  flex-direction: column;
}
.topbar nav .dropdown:hover .submenu,
.topbar nav .dropdown:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.topbar nav .submenu a {
  display: block; min-height: 0; padding: 10px 22px;
  color: #333333; font-size: 14px; font-weight: 500;
  white-space: nowrap;
}
.topbar nav .submenu a::before { display: none; }
.topbar nav .submenu a:hover { color: #2575fc; background: transparent; }
.topbar .burger { display: none; background: none; border: none; color: var(--navy-m); font-size: 22px; cursor: pointer; }

/* ---------- 主区与排版 ---------- */
.wrap { max-width: 1120px; margin: 0 auto; padding: 40px 22px 80px; }
main.wrap { min-height: 55vh; }

h1, h2, h3, h4 { color: var(--navy); font-weight: 600; letter-spacing: -0.015em; }
h1 { font-size: clamp(26px, 3.2vw, 36px); line-height: 1.3; margin-bottom: 16px; }
h2 { font-size: 22px; margin: 36px 0 16px; }
h3 { font-size: 17px; margin: 24px 0 10px; }
p { margin-bottom: 16px; text-align: justify; }
ul, ol { margin: 0 0 16px 24px; }
li { margin-bottom: 8px; }

/* 优雅的表格设计 */
table { border-collapse: collapse; width: 100%; margin: 20px 0; font-size: 14.5px; box-shadow: var(--shadow-sm); border-radius: 12px; overflow: hidden; }
th, td { border: none; border-bottom: 1px solid #E2E8F0; padding: 14px 18px; text-align: left; }
th { background: #F8FAFC; color: var(--navy); font-weight: 700; text-transform: uppercase; font-size: 13px; letter-spacing: 1px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #F1F5F9; transition: background 0.2s; }

/* 引言框 */
blockquote {
  border-left: 4px solid var(--primary); background: #F1F5F9;
  padding: 18px 24px; margin: 24px 0; color: var(--navy-m); border-radius: 0 12px 12px 0;
  font-size: 16px; font-style: italic; line-height: 1.8;
}
hr { border: none; border-top: 1px solid #E2E8F0; margin: 32px 0; }
strong { color: var(--navy); font-weight: 700; }

/* 核心文眼：专属高亮底色 (Highlight) */
.highlight-text {
  background: linear-gradient(120deg, rgba(245,158,11,0.2) 0%, rgba(245,158,11,0.05) 100%);
  border-bottom: 2px solid var(--gold);
  padding: 0 4px;
  color: var(--navy);
  font-weight: 700;
}

/* 答案胶囊（提炼核心信息） */
.lede {
  font-size: 14.5px; line-height: 1.7; color: #424245;
  background: #F5F5F7;
  border: 1px solid rgba(0, 0, 0, 0.04); border-radius: 14px;
  padding: 16px 20px; margin: 12px 0 24px; font-weight: 400;
  box-shadow: none;
}
.breadcrumb { font-size: 13px; color: var(--text-l); margin-bottom: 20px; }
.breadcrumb a { color: var(--primary); text-decoration: none; font-weight: 500; }
.updated { font-size: 13px; color: var(--text-l); margin: -8px 0 24px; }

/* ---------- 首页：Hero轮播组件 ---------- */
.hero-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  margin-bottom: 40px;
}

.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.carousel-slide {
  min-width: 100%;
  position: relative;
}

.carousel-slide .slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

/* 高级感柔和蒙层：通过径向渐变突出中心和文字区域 */
.carousel-slide .slide-shade {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(0, 18, 54, 0.35) 0%, rgba(0, 18, 54, 0) 70%),
              linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,34,102,0.55) 100%);
}
/* 首页 hero 主题词：与二级页 .ph-theme 同款效果（提高优先级，避免被 .carousel-slide p 覆盖） */
.carousel-slide .hero-theme {
  color: #fff; font-size: clamp(30px, 4vw, 52px); font-weight: 800;
  line-height: 1.2; letter-spacing: 1px; margin: 0 0 8px;
  text-shadow: 0 2px 18px rgba(0,0,0,.35);
}
.carousel-slide .hero-theme .highlight { color: #fbbf24; }

/* 首页 hero 副句：统一主线「先读懂，再治疗」 */
.carousel-slide .hero-sub {
  color: rgba(255,255,255,.92); font-size: 16px; line-height: 1.8;
  max-width: 640px; margin: 0; letter-spacing: .5px;
  text-shadow: 0 1px 10px rgba(0,0,0,.4);
}

.carousel-slide .slide-content {
  position: relative;
  z-index: 2;
  /* 通栏下文字列与 1140px 内容区对齐（窄屏回退 24px），左下布局 */
  padding: 60px max(24px, calc((100vw - 1140px) / 2)) 54px;
  color: #fff;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  animation: heroTitleSlideIn 1.5s cubic-bezier(.19,1,.22,1) .2s both;
}
@media (prefers-reduced-motion: reduce) {
  .carousel-slide .slide-content { animation: none; }
}

.carousel-slide h1,
.carousel-slide h2 {
  color: #fff;
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 16px;
  line-height: 1.2;
  text-shadow: 0 2px 16px rgba(0,0,0,.28);
}

.carousel-slide h1 .highlight,
.carousel-slide h2 .highlight {
  color: #fbbf24;
  font-weight: 800;
}

.carousel-slide p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 16px;
  line-height: 1.9;
  max-width: 600px;
  margin-bottom: 8px;
}

.carousel-slide .slide-cta {
  margin-top: 24px;
}

.carousel-slide .cta-btn {
  display: inline-block;
  padding: 12px 28px;
  background: #fff;
  color: var(--primary);
  text-decoration: none;
  border-radius: 30px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  transition: all 0.2s;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.carousel-slide .cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.carousel-slide .cta-btn.secondary {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
  margin-left: 12px;
}

.carousel-slide .cta-btn.secondary:hover {
  background: rgba(255,255,255,0.1);
}

/* 轮播指示器 */
.carousel-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 0.2s;
}

.carousel-dot.active {
  background: #fff;
  transform: scale(1.2);
}

/* 轮播箭头 */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  transition: all 0.2s;
  z-index: 10;
}

.carousel-arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.1);
}

.carousel-arrow.prev { left: 20px; }
.carousel-arrow.next { right: 20px; }

/* 旧Hero样式保留兼容 */
.hero {
  position: relative; overflow: hidden; color: #fff; border-radius: 20px;
  background: var(--grad); margin-bottom: 26px;
  box-shadow: 0 14px 40px rgba(0,51,153,.15);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 12% 15%, rgba(192,224,240,.20) 0, transparent 34%),
    radial-gradient(circle at 85% 80%, rgba(240,200,120,.16) 0, transparent 32%),
    radial-gradient(circle at 55% 5%, rgba(80,120,160,.18) 0, transparent 30%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.25fr .9fr; align-items: center; gap: 18px; padding: 40px 38px 36px; }
.hero h1 { color: #fff; font-size: clamp(24px, 3.6vw, 36px); letter-spacing: 4px; margin-bottom: 14px; }
.hero h1 span { color: var(--gold); }
.hero p { color: #D9E6F4; font-size: 14.8px; line-height: 1.95; letter-spacing: .8px; max-width: 640px; }
.hero .ref { font-size: 12px; color: #9FB8D2; margin-top: 12px; }
.hero-img { text-align: center; }
.hero-img img {
  border-radius: 16px; max-height: 260px; object-fit: cover; width: 100%;
  box-shadow: 0 16px 44px rgba(0,10,50,.45); border: 1px solid rgba(255,255,255,.18);
}
.hero-stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.hero-stats .stat {
  display: inline-flex; align-items: baseline; gap: 6px;
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22);
  border-radius: 26px; padding: 6px 16px; font-size: 12.5px; color: #D5E4F2; letter-spacing: .5px;
}
.hero-stats .stat b { color: var(--gold); font-size: 16px; letter-spacing: 1px; }

/* ---------- 首页：业务卡片 (弥散阴影+玻璃感) ---------- */
.biz-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 24px; margin: 30px 0; }
.biz-card {
  background: var(--card); border-radius: 24px; overflow: hidden;
  border: none; box-shadow: var(--shadow-md);
  text-decoration: none; color: var(--text); display: flex; flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}
.biz-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.biz-card .card-img { position: relative; height: 190px; overflow: hidden; }
.biz-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1); }
.biz-card:hover .card-img img { transform: scale(1.08); }
.biz-card .card-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,34,102,0) 40%, rgba(0,34,102,0.4) 100%);
}
.biz-card .tag {
  position: absolute; left: 16px; bottom: 12px; z-index: 2;
  display: inline-block; font-size: 11.5px; letter-spacing: 1px; color: #fff;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.4);
  border-radius: 20px; padding: 4px 14px; font-weight: 700; backdrop-filter: blur(8px);
}
.biz-card .tag.study { background: rgba(0, 68, 179, 0.6); }
.biz-card:nth-child(2) .tag { background: rgba(20, 184, 166, 0.6); }
.biz-card .tag.coming { background: rgba(245, 158, 11, 0.6); }

.biz-card .card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.biz-card h3 { color: var(--navy); font-size: 19px; margin: 0 0 10px; letter-spacing: .5px; line-height: 1.4; }
.biz-card p { font-size: 14.5px; color: var(--text-l); line-height: 1.8; margin: 0; text-align: left; flex: 1; }
.biz-card .more {
  display: inline-flex; align-items: center; margin-top: 18px; font-size: 14px; color: var(--primary);
  font-weight: 700; letter-spacing: .5px; transition: transform 0.2s;
}
.biz-card .more::after { content: " →"; margin-left: 4px; transition: transform 0.2s; }
.biz-card:hover .more::after { transform: translateX(4px); }

/* 三业务卡：动词胶囊标签（读/试/教）+「解决什么问题」 */
.biz-card .route-chip {
  display: inline-block; align-self: flex-start; font-size: 11px; font-weight: 800;
  letter-spacing: 1.5px; color: #fff; border-radius: 20px;
  padding: 4px 14px; margin-bottom: 12px; text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.biz-card .route-chip.read { background: var(--primary); }
.biz-card .route-chip.try { background: var(--teal); }
.biz-card .route-chip.teach { background: var(--gold); }
.biz-card .solves { font-size: 14px; color: var(--navy-m); font-weight: 600; line-height: 1.7; margin: 0 0 10px; text-align: left; }

/* ---------- 二级页：hero（全宽照片 + 柔和毛玻璃） ---------- */
.page-hero {
  position: relative; overflow: hidden;
  height: clamp(320px, 30vw, 420px);
  display: flex; align-items: flex-end;
  background: var(--navy-dark);
}
.page-hero .ph-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center 40%;
}
/* 底部微渐变：高级毛玻璃过渡 */
.page-hero .ph-shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,34,102,.55) 100%);
}
.page-hero .ph-content {
  position: relative; z-index: 2;
  width: 100%; max-width: 1140px; margin: 0 auto;
  padding: 0 22px 34px;
  animation: heroTitleSlideIn 1.5s cubic-bezier(.19,1,.22,1) .2s both;
}
.page-hero .ph-badge {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: 1.2px;
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 100px;
  padding: 4px 14px; margin-bottom: 12px;
  text-transform: uppercase;
}
.page-hero .ph-theme {
  color: #ffffff; font-size: clamp(24px, 3.2vw, 36px); font-weight: 600;
  line-height: 1.35; letter-spacing: -0.015em; margin: 0;
  text-shadow: 0 2px 14px rgba(0,0,0,.25);
}
@keyframes heroTitleSlideIn {
  from { opacity: 0; transform: translateX(-48px); }
  to   { opacity: 1; transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  .page-hero .ph-content { animation: none; }
}

/* ---------- 标题区（hero 下方：主标题/副标题/介绍段） ---------- */
.page-head { padding: 34px 0 6px; text-align: center; }
.page-head h1 {
  font-size: clamp(24px, 3vw, 32px); color: var(--navy);
  margin: 0 0 10px; letter-spacing: 1px;
}
.page-head .subtitle {
  font-size: 17px; color: var(--blue); font-weight: 600;
  margin: 0 auto 12px; max-width: 760px; text-align: center;
}
.page-head .page-intro {
  font-size: 15px; color: var(--text-l); line-height: 1.9;
  margin: 0 auto; max-width: 820px; text-align: center;
}
.page-head + .breadcrumb { margin-top: 14px; text-align: center; }

/* ---------- 首页：为什么是精准医疗 (无边框大圆角) ---------- */
.why-section { margin: 40px 0 20px; }
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.why-card {
  background: var(--card); border: none; border-radius: 20px;
  padding: 32px 28px; box-shadow: var(--shadow-md);
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.why-card .num {
  display: inline-block; font-size: 32px; font-weight: 800; color: var(--gold);
  margin-bottom: 16px; letter-spacing: 1px; line-height: 1;
}
.why-card h3 { font-size: 19px; color: var(--navy); margin: 0 0 12px; }
.why-card p { font-size: 14.5px; color: var(--text-l); line-height: 1.8; margin: 0; text-align: left; }

/* ---------- 首页：个体化闭环（读·试·教）无边框设计 ---------- */
.loop-section { margin: 46px 0 20px; }
.loop-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px; align-items: stretch;
}
.loop-step {
  position: relative;
  background: var(--card); border: none; border-radius: 20px;
  padding: 24px 22px; box-shadow: var(--shadow-md);
  text-decoration: none; color: var(--text); display: block;
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1), box-shadow 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  overflow: hidden;
}
.loop-step::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 6px;
  background: var(--primary);
}
.loop-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.loop-step.try::before { background: var(--teal); }
.loop-step.teach::before { background: var(--gold); }
.loop-step.start::before { background: var(--green); }
.loop-step.end {
  grid-column: 1 / -1;
  background: linear-gradient(120deg, #0044B3 0%, #0066CC 100%);
  border-radius: 22px;
  padding: 30px 36px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 68, 179, 0.2);
}
.loop-step.end::before { display: none; }

.loop-step .loop-layer {
  display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: 2px;
  color: var(--primary); background: #F1F5F9;
  border-radius: 6px; padding: 4px 12px; margin-bottom: 14px; text-transform: uppercase;
}
.loop-step.try .loop-layer { color: #0D9488; background: #CCFBF1; }
.loop-step.teach .loop-layer { color: var(--gold-deep); background: #FEF3C7; }
.loop-step.end .loop-layer { background: rgba(255,255,255,.2); color: #fff; border-radius: 100px; padding: 4px 16px; }
.loop-step h3 { font-size: 18px; color: var(--navy); margin: 0 0 8px; }
.loop-step.end h3 { color: #fff; font-size: 20px; font-weight: 600; margin: 0 0 8px; text-align: center; }
.loop-step p { font-size: 14px; color: var(--text-l); line-height: 1.8; margin: 0; text-align: left; }
.loop-step.end p { color: rgba(255,255,255,0.95); font-size: 15px; text-align: center; max-width: 840px; margin: 0 auto; }
.loop-step:not(:last-child)::after {
  content: "→"; position: absolute; right: -24px; top: 50%; transform: translateY(-50%);
  color: var(--primary); font-size: 20px; font-weight: 800; z-index: 5;
}
.loop-note { text-align: center; font-size: 14.5px; color: var(--text-l); margin: 24px 0 0; }

/* ---------- 通用：极简流程卡（测序/药敏/mRNA 四步） ---------- */
.flow-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; margin: 24px 0;
}
.flow-step {
  background: #ffffff; border: 1px solid rgba(0, 0, 0, 0.06); border-radius: 18px;
  padding: 22px 20px 20px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.flow-step:hover {
  transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}
.flow-step .num {
  display: inline-block; font-size: 20px; font-weight: 600; color: #0066CC;
  margin-bottom: 8px; letter-spacing: -0.02em;
}
.flow-step h3 { font-size: 16px; font-weight: 600; color: #1D1D1F; margin: 0 0 8px; }
.flow-step p { font-size: 13.5px; color: #6E6E73; line-height: 1.7; margin: 0; text-align: left; }

/* ---------- 通用：两栏对比（盲试 vs 有据可依 / 替身试药） ---------- */
.vs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 24px 0; }
.vs-card {
  background: #FBFBFD; border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 18px; padding: 24px 26px; box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}
.vs-card.precise { background: #F0F6FF; border-color: rgba(0, 102, 204, 0.15); }
.vs-card .vs-title {
  font-size: 12px; font-weight: 600; letter-spacing: 1.2px; color: #86868B; margin-bottom: 8px; text-transform: uppercase;
}
.vs-card.precise .vs-title { color: #0066CC; }
.vs-card h3 { font-size: 17px; font-weight: 600; color: #1D1D1F; margin: 0 0 10px; }
.vs-card p { font-size: 14px; color: #424245; line-height: 1.75; margin: 0; text-align: left; }
.vs-card ul { margin: 0; padding-left: 18px; }
.vs-card li { font-size: 13.5px; color: #424245; line-height: 1.75; }

/* ---------- 通用：四档判读 / A-D 证据四卡 ---------- */
.tier-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px; margin: 24px 0;
}
.tier-card {
  background: #ffffff; border: 1px solid rgba(0, 0, 0, 0.06); border-radius: 18px;
  padding: 20px 20px 18px; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}
.tier-card .tier-range { font-size: 20px; font-weight: 600; color: #0066CC; margin-bottom: 6px; letter-spacing: -0.02em; }
.tier-card h3 { font-size: 15px; font-weight: 600; color: #1D1D1F; margin: 0 0 6px; }
.tier-card p { font-size: 13px; color: #6E6E73; line-height: 1.7; margin: 0; text-align: left; }

/* ---------- 通用：报告模块卡（6 模块） ---------- */
.report-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px; margin: 24px 0;
}
.report-item {
  background: #FBFBFD; border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px; padding: 20px 22px;
}
.report-item h3 { font-size: 15px; font-weight: 600; color: #1D1D1F; margin: 0 0 6px; }
.report-item p { font-size: 13px; color: #6E6E73; line-height: 1.7; margin: 0; text-align: left; }

/* ---------- mRNA：关键数字卡组（数据带出处） ---------- */
.num-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px; margin: 24px 0 6px;
}
.num-card {
  background: #FBFBFD; border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px; padding: 18px 16px; text-align: center;
}
.num-card b { display: block; font-size: 24px; font-weight: 600; color: #0066CC; letter-spacing: -0.02em; margin-bottom: 4px; }
.num-card span { font-size: 12.5px; color: #6E6E73; line-height: 1.5; }
.num-src { font-size: 12px; color: #86868B; margin: 8px 0 0; }

/* ---------- mRNA：IIT 状态徽章 ---------- */
.badge-live {
  display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 1.5px;
  color: #fff; background: var(--primary); border-radius: 20px;
  padding: 6px 16px; margin: 0 0 16px;
}
.badge-live::before {
  content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: #4ade80; margin-right: 8px;
}

/* ---------- 首页：宠物家长入口 ---------- */
.parents-entry { margin: 34px 0 6px; }
.parents-entry .info-band { text-align: center; padding: 34px 28px; }
.parents-entry h2 { text-align: center; }
.parents-entry p { text-align: center; }
.parents-entry .band-links { margin-top: 16px; }

/* ---------- 首页：信息带 ---------- */
.info-band {
  margin: 22px 0; padding: 22px 26px; border-radius: 16px;
  background: linear-gradient(120deg, #E8F2FB, #F6FAFD);
  border: 1px solid #D8E8F4; border-left: 6px solid var(--blue);
}
.info-band h2 { margin: 0 0 10px; font-size: 19px; }
.info-band p { color: #3A4A68; margin: 0; }

/* ---------- 按钮体验强化 (微交互) ---------- */
.btn-solid {
  display: inline-block; padding: 14px 34px; border-radius: 40px;
  background: var(--grad); color: #fff; text-decoration: none;
  font-weight: 700; font-size: 15.5px; letter-spacing: 1px;
  box-shadow: 0 8px 24px rgba(0,68,179,0.3); transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative; overflow: hidden;
}
.btn-solid::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: all 0.5s;
}
.btn-solid:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,68,179,0.4); }
.btn-solid:hover::after { left: 150%; }

/* ---------- 首页：内容页排版结构 (Markdown) ---------- */
.page-card {
  background: var(--card); border: none; border-radius: 24px;
  padding: 40px 48px; margin: 24px 0; box-shadow: var(--shadow-md);
}
@media (max-width: 768px) { .page-card { padding: 30px 24px; } }

.page-cover { margin: -40px -48px 30px; border-radius: 24px 24px 0 0; overflow: hidden; max-height: 360px; }
.page-cover img { width: 100%; height: 360px; object-fit: cover; display: block; }
.page-card h2 { margin-top: 32px; padding-bottom: 12px; border-bottom: 1px solid #E2E8F0; }
.page-card h2:first-child { margin-top: 4px; }
.page-card p img { border-radius: 16px; box-shadow: var(--shadow-md); margin: 12px 0; }

/* 表格样式强化 */
.page-card table { box-shadow: 0 2px 10px rgba(0,51,153,.05); border-radius: 10px; overflow: hidden; }

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--card); border: 1px solid #E3EDF5; border-radius: 14px;
  margin: 12px 0; box-shadow: 0 3px 12px rgba(0,51,153,.05); overflow: hidden;
}
.faq-item h3 {
  margin: 0; padding: 15px 48px 15px 20px; font-size: 15.5px; cursor: pointer;
  position: relative; color: var(--navy); font-weight: 700;
}
.faq-item h3::before { content: "Q"; color: #fff; font-weight: 800; font-size: 12px;
  display: inline-flex; width: 22px; height: 22px; border-radius: 8px;
  background: var(--grad); align-items: center; justify-content: center; margin-right: 10px; }
.faq-item h3::after {
  content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  color: var(--blue); font-size: 22px; font-weight: 400; transition: transform .2s;
}
.faq-item.open h3::after { transform: translateY(-50%) rotate(45deg); }
.faq-item .answer {
  display: none; padding: 0 20px 16px 52px; color: #40506E; font-size: 14.8px;
  border-top: 1px dashed #D8E6F0; padding-top: 12px;
}
.faq-item.open .answer { display: block; }

/* ---------- 内容提示框 (Callouts / Notice / Info-band) 科技圆润感 ---------- */
.callout {
  background: #FFFBEB; border: 1px solid #FDE68A;
  border-radius: 16px; padding: 20px 24px; margin: 24px 0; font-size: 15px; color: #92400E;
  box-shadow: 0 4px 12px rgba(245,158,11,0.05);
}
.notice {
  background: #F8FAFC; border: 1px solid #E2E8F0;
  border-radius: 16px; padding: 20px 24px; margin: 24px 0; font-size: 15px; color: #475569;
  box-shadow: var(--shadow-sm);
}
.info-band {
  margin: 24px 0; padding: 24px 28px; border-radius: 16px;
  background: #F5F5F7;
  border: 1px solid rgba(0, 102, 204, 0.15);
  box-shadow: none;
}
.info-band h2 { margin: 0 0 10px; font-size: 19px; color: #1D1D1F; }
.info-band p { color: #3C3C43; margin: 0; }

/* ---------- Checklist 排版打勾列表重构 ---------- */
.check-list { list-style: none; margin: 20px 0; padding: 0; }
.check-list li {
  padding: 12px 0 12px 40px; position: relative; font-size: 15.5px; color: var(--text);
  border-bottom: 1px solid #F1F5F9; line-height: 1.6;
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 12px;
  width: 24px; height: 24px; border-radius: 50%; background: var(--green);
  color: #fff; font-size: 14px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 10px rgba(16,185,129,0.3);
}

/* ---------- 极简网格提炼区 (.flow-grid) ---------- */
.flow-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px; margin: 24px 0;
}
.flow-step {
  background: var(--card); border: 1px solid #E2E8F0; border-radius: 16px;
  padding: 24px 20px; box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.flow-step .num {
  display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800; color: #fff; background: var(--primary);
  border-radius: 12px; margin-bottom: 16px;
}
.flow-step h3 { font-size: 17px; color: var(--navy); margin: 0 0 8px; }
.flow-step p { font-size: 14px; color: var(--text-l); line-height: 1.7; margin: 0; }

/* ---------- 页脚（规整四栏） ---------- */
.footer { background: var(--grad); color: #C8DAEC; font-size: 12.5px; line-height: 1.9; margin-top: 44px; }
.footer-inner { max-width: 1120px; margin: 0 auto; padding: 34px 22px 20px; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 34px; padding-bottom: 26px; border-bottom: 1px solid rgba(255,255,255,.14);
}
.footer .brand-line { font-size: 17px; font-weight: 700; color: #fff; letter-spacing: 2px; margin-bottom: 10px; }
.footer .f-tagline { color: #A8C8E8; font-size: 12px; line-height: 1.9; margin: 0 0 12px; }
.footer .f-wx { color: #C8DAEC; margin: 0 0 4px; }
.footer .f-wx b { color: var(--gold); font-size: 14px; letter-spacing: 1px; }
.footer .f-icp { color: #8FA9C6; font-size: 11px; margin: 6px 0 0; }
.footer .f-addr { color: #A8C8E8; font-size: 11.5px; margin: 4px 0 0; line-height: 1.7; }
.footer .f-col h4 {
  color: #fff; font-size: 13px; font-weight: 700; letter-spacing: 2px;
  margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,.16);
}
.footer .f-col a {
  display: block; color: #A8C8E8; text-decoration: none; font-size: 12.5px;
  padding: 4px 0; transition: color .18s, padding-left .18s;
}
.footer .f-col a:hover { color: #fff; padding-left: 4px; }
.f-disclaimer {
  margin: 18px 0 14px; padding: 12px 18px; border-radius: 10px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  color: #D5E4F2; font-size: 12px; line-height: 1.8; text-align: center;
}
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
  color: #8FA9C6; font-size: 11.5px; padding-top: 2px;
}

/* ---------- 语言选择页 ---------- */
.lang-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--grad); padding: 30px; position: relative; overflow: hidden;
}
.lang-wrap::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(192,224,240,.18) 0, transparent 34%),
    radial-gradient(circle at 85% 75%, rgba(240,200,120,.14) 0, transparent 32%);
}
.lang-card { text-align: center; max-width: 580px; position: relative; }
.lang-card .logo { height: 56px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.lang-card h1 { color: #fff; font-size: 30px; letter-spacing: 6px; margin: 0 0 8px; }
.lang-card .sub { color: #A8C8E8; font-size: 14px; letter-spacing: 2px; margin: 0 0 30px; }
.lang-card .btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.lang-card .btn {
  display: inline-block; padding: 14px 42px; border-radius: 40px; text-decoration: none;
  font-size: 16px; font-weight: 700; letter-spacing: 3px; transition: transform .2s;
  box-shadow: 0 10px 30px rgba(0,10,50,.35);
}
.lang-card .btn:hover { transform: translateY(-3px); }
.lang-card .btn.zh { background: linear-gradient(120deg, #F0C878, #E8B25C); color: #001450; }
.lang-card .btn.en { background: #fff; color: #001450; }
.lang-card .note { color: #9FB8D2; font-size: 12px; margin-top: 26px; letter-spacing: 1px; }

/* ---------- 首页：信任背书横条 ---------- */
.trust-strip { margin: 0 0 26px; }
.trust-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px; margin-bottom: 14px;
}
.trust-item {
  display: block; background: var(--card); border: 1px solid #E3EDF5;
  border-radius: 14px; padding: 16px 18px; text-decoration: none;
  box-shadow: 0 4px 14px rgba(0,51,153,.06); transition: transform .2s, box-shadow .2s;
}
.trust-item:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(0,51,153,.12); }
.trust-item .trust-badge {
  display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 1.5px;
  color: var(--blue); background: linear-gradient(120deg, #E8F2FB, #F3F9FE);
  border-radius: 20px; padding: 3px 12px; margin-bottom: 8px;
}
.trust-item p { font-size: 13.5px; color: var(--text-l); line-height: 1.7; margin: 0; text-align: left; }
.trust-item.trust-award { border: 1px solid #F0D9A8; background: linear-gradient(135deg, #FFFBEF, #FFFDF7); }
.trust-item.trust-award .trust-badge { color: var(--gold-deep); background: linear-gradient(120deg, #FDF3E0, #FEF9EE); }
.trust-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.trust-stats .stat {
  background: linear-gradient(120deg, #E8F2FB, #F6FAFD);
  border: 1px solid #D8E8F4; border-radius: 12px; padding: 12px 16px;
}
.trust-stats .stat b {
  display: block; font-size: 21px; color: var(--primary); letter-spacing: 1px; margin-bottom: 2px;
}
.trust-stats .stat:nth-child(even) b { color: var(--green); }
.trust-stats .stat span { font-size: 12px; color: var(--text-l); line-height: 1.55; }

/* ---------- 首页：样本条件决策引导区 ---------- */
.decision { margin: 8px 0 26px; }
.section-head { text-align: center; margin-bottom: 22px; }
.section-head .eyebrow, .eyebrow {
  display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: 1.5px;
  color: #0066CC; background: rgba(0, 102, 204, 0.07);
  border: 1px solid rgba(0, 102, 204, 0.15);
  padding: 4px 14px; border-radius: 100px; margin-bottom: 12px;
  text-transform: uppercase; box-shadow: none;
}
.section-head h2 { font-size: 24px; margin: 0 0 8px; letter-spacing: 1px; }
.section-head p { color: var(--text-l); font-size: 14.5px; margin: 0; }
.decision-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px; margin-bottom: 18px;
}
.decision-card {
  background: var(--card); border: 1px solid #E3EDF5; border-radius: 16px;
  padding: 24px 26px; box-shadow: 0 6px 20px rgba(0,51,153,.06);
}
.decision-card h3 { font-size: 18px; color: var(--navy); margin: 0 0 6px; letter-spacing: .5px; }
.decision-card .scenario { font-size: 13px; color: var(--text-l); margin: 0 0 14px; padding-bottom: 12px; border-bottom: 1px dashed #D8E6F0; }
.decision-card .check-list { list-style: none; margin: 0 0 14px; padding: 0; }
.decision-card .check-list li {
  padding: 8px 0 8px 30px; position: relative; font-size: 14.5px; color: var(--text);
  border-bottom: 1px solid #F1F6FB;
}
.decision-card .check-list li:last-child { border-bottom: none; }
.decision-card .check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 9px;
  width: 20px; height: 20px; border-radius: 50%; background: var(--blue);
  color: #fff; font-size: 12px; font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
}
.decision-card .check-list a { color: var(--blue); font-weight: 700; text-decoration: none; font-size: 13.5px; margin-left: 4px; white-space: nowrap; }
.decision-card .note { margin: 0; font-size: 13px; }
.decision-cta { text-align: center; }
.decision-cta > p { color: var(--text-l); font-size: 14px; margin-bottom: 10px; text-align: center; }
.decision-cta .wx { font-size: 13px; color: var(--gold-deep); margin-top: 8px; letter-spacing: 1px; }
.btn-solid {
  display: inline-block; padding: 12px 30px; border-radius: 30px;
  background: var(--grad); color: #fff; text-decoration: none;
  font-weight: 700; font-size: 14.5px; letter-spacing: 1px;
  box-shadow: 0 8px 22px rgba(0,51,153,.28); transition: transform .2s, box-shadow .2s;
}
.btn-solid:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0,51,153,.35); }

/* ---------- 首页：兽医协作区 ---------- */
.vet-section { margin: 30px 0 10px; }
.vet-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px; margin-bottom: 18px;
}
.vet-card {
  background: linear-gradient(120deg, #E8F2FB, #F7FBFE);
  border: 1px solid #D8E8F4; border-left: 6px solid var(--blue);
  border-radius: 14px; padding: 20px 22px;
}
.vet-card h3 { font-size: 16px; color: var(--navy); margin: 0 0 8px; }
.vet-card p { font-size: 13.8px; color: #3A4A68; margin: 0; line-height: 1.8; text-align: left; }

/* ---------- 首页：疗法对比引导 ---------- */
.compare-teaser .band-links { margin-top: 12px; }
.compare-teaser .band-links a {
  display: inline-block; margin-right: 22px; color: var(--blue);
  font-weight: 700; text-decoration: none; font-size: 14px;
}
.compare-teaser .band-links a:hover { text-decoration: underline; }

/* 锚点跳转不被固定顶栏遮挡 */
.hero-carousel, .biz-grid, .decision, .vet-section, .info-band { scroll-margin-top: 76px; }

/* ---------- 首页：FAQ 块 ---------- */
.home-faq { margin: 30px 0 10px; }
.home-faq > h2 { text-align: center; font-size: 22px; margin-bottom: 18px; }

/* ---------- 科普手册：插图 ---------- */
.handbook-fig { margin: 20px 0; text-align: center; }
.handbook-fig img {
  border-radius: 14px; box-shadow: 0 10px 30px rgba(0,51,153,.12);
  max-height: 420px; width: auto; max-width: 100%;
}
.handbook-fig figcaption {
  font-size: 12.5px; color: var(--text-l); margin-top: 8px; letter-spacing: .5px;
}

/* 原理图 SVG：无固有尺寸，按内容宽度自适应（最大720） */
.handbook-fig img[src$=".svg"],
.page-card img[src$=".svg"] {
  width: 100%; max-width: 720px; height: auto; max-height: none;
}

/* ---------- 产品页 brochure：图文两栏 ---------- */
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  align-items: center; margin: 22px 0;
}
.split-media { border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,51,153,.12); }
.split-media img { width: 100%; height: auto; display: block; }
.split-text h3 { font-size: 18px; color: var(--navy); margin: 0 0 10px; letter-spacing: .5px; }
.split-text p { font-size: 14px; color: var(--text-l); line-height: 1.9; margin: 0 0 10px; text-align: left; }
.split-text ul { margin: 4px 0 0; padding-left: 18px; }
.split-text li { font-size: 13.8px; color: var(--text); margin-bottom: 7px; }
.split.flip .split-media { order: 2; }

/* ---------- 产品页 brochure：服务特性卡 ---------- */
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 14px; margin: 18px 0;
}
.feature-item {
  background: var(--card); border: 1px solid #E3EDF5; border-radius: 14px;
  padding: 20px 18px; box-shadow: 0 6px 18px rgba(0,51,153,.05);
  transition: transform .2s, box-shadow .2s;
}
.feature-item:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0,51,153,.12); }
.feature-item .fnum {
  display: inline-block; font-size: 13px; font-weight: 800; color: #fff;
  background: var(--grad-accent); border-radius: 20px; padding: 2px 11px;
  margin-bottom: 10px; letter-spacing: 1px;
}
.feature-item h3 { font-size: 15px; color: var(--navy); margin: 0 0 6px; }
.feature-item p { font-size: 13px; color: var(--text-l); line-height: 1.75; margin: 0; text-align: left; }

@media (max-width: 560px) {
  .split { grid-template-columns: 1fr; gap: 16px; }
  .split.flip .split-media { order: 0; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .topbar nav { display: none; }
  .topbar .burger { display: block; margin-left: auto; }
  .topbar-inner { height: 64px; }
  .topbar .logo { height: 34px; }
  .topbar nav.open {
    display: flex; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; background: #fff;
    border-bottom: 1px solid #eef2f7; box-shadow: 0 12px 28px rgba(22,35,55,.08);
    padding: 10px 18px 14px; gap: 2px;
  }
  .topbar nav.open a { min-height: 0; padding: 10px 6px; }
  .topbar nav.open a::before { display: none; }
  .topbar nav.open .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; padding: 2px 0 2px 14px; min-width: 0;
  }
  .topbar nav.open .submenu a { color: var(--navy-m); font-size: 13.5px; }
  .topbar nav.open .drop-btn::after { content: ""; }
  .hero-grid { grid-template-columns: 1fr; padding: 30px 24px; }
  .hero-img { display: none; }
  .biz-grid { grid-template-columns: 1fr; }
  .loop-grid { grid-template-columns: 1fr; }
  .loop-step:not(:last-child)::after { display: none; }
  .vs-grid { grid-template-columns: 1fr; }
  .page-card { padding: 20px 18px; }
  .page-cover { margin: -20px -18px 18px; }
  .page-cover img { height: 210px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- 英文版专属精致字形排版 (FidoCure/Apple Inspired) ---------- */
:lang(en) body, html[lang="en"] body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  letter-spacing: -0.012em;
}
:lang(en) p {
  text-align: left;
  font-size: 15px;
  line-height: 1.68;
  color: #3C3C43;
}
:lang(en) h1, :lang(en) h2, :lang(en) h3, :lang(en) h4 {
  letter-spacing: -0.022em;
  color: #1D1D1F;
}
:lang(en) h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 36px 0 14px;
}
:lang(en) h3 {
  font-size: 16.5px;
  font-weight: 600;
  margin: 22px 0 8px;
}
:lang(en) .lede {
  font-size: 14.5px;
  line-height: 1.65;
  color: #424245;
  letter-spacing: -0.01em;
}

/* 站内自托管 Lato 字体 (100% 零外链、国内秒开、支持 Cloudflare) */
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/lato-regular.ttf') format('truetype'),
       local('Lato Regular'), local('Lato-Regular');
}
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/static/fonts/lato-bold.ttf') format('truetype'),
       local('Lato Bold'), local('Lato-Bold');
}
@font-face {
  font-family: 'Lato';
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url('/static/fonts/lato-heavy.ttf') format('truetype'),
       local('Lato Heavy'), local('Lato-Heavy');
}

/* 英文 Hero 图标题专用字体（与 LuminoDx/FidoCure 完全一致的 Lato 经典科技体） */
:lang(en) .page-hero .ph-theme,
html[lang="en"] .page-hero .ph-theme,
:lang(en) .carousel-slide h1,
html[lang="en"] .carousel-slide h1,
:lang(en) .carousel-slide h2,
html[lang="en"] .carousel-slide h2 {
  font-family: 'Lato', Arial, Helvetica, sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

/* 英文版导航栏字体（参照 LuminoDx demo 经典 Lato 规范） */
:lang(en) .topbar nav a,
html[lang="en"] .topbar nav a,
:lang(en) .topbar nav .submenu a,
html[lang="en"] .topbar nav .submenu a {
  font-family: 'Lato', Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #263143;
  letter-spacing: 0.01em;
  transition: color 0.18s ease;
}
:lang(en) .topbar nav a:hover,
html[lang="en"] .topbar nav a:hover,
:lang(en) .topbar nav .submenu a:hover,
html[lang="en"] .topbar nav .submenu a:hover {
  color: #0e63ff;
}