/* ============================
   北京国创康健医学研究院 · 官网样式（v2 含轮播图 + 图标）
   配色：深蓝（专业/信任）+ 翠绿（生命/医疗）+ 中性灰白
   风格：简洁大气 / 医疗教育
============================ */

:root {
  --c-primary: #0F4C81;
  --c-primary-dark: #0a3a64;
  --c-primary-light: #1d5fa0;
  --c-accent: #5BA85F;
  --c-accent-dark: #3d8a4a;
  --c-accent-light: #e8f5e9;
  --c-bg: #ffffff;
  --c-bg-alt: #f6f9fc;
  --c-bg-dark: #0a2c4a;
  --c-ink: #1a2b3c;
  --c-ink-soft: #4a5b6e;
  --c-ink-mute: #7e8d9d;
  --c-border: #e2e9f1;
  --c-border-soft: #eef2f7;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "PingFang SC", "Microsoft YaHei", -apple-system,
                  BlinkMacSystemFont, sans-serif;
  --container-w: 1200px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 6px rgba(15, 76, 129, 0.06);
  --shadow: 0 6px 22px rgba(15, 76, 129, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 76, 129, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }

/* ============================
   Header / Nav
============================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: all 0.3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--c-border-soft);
  box-shadow: var(--shadow-sm);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 44px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 17px; color: var(--c-primary); letter-spacing: 1px; }
.brand-text em { font-style: normal; font-size: 12px; color: var(--c-ink-mute); letter-spacing: 1px; margin-top: 3px; }

.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { font-size: 15px; color: var(--c-ink-soft); font-weight: 500; position: relative; padding: 6px 0; transition: color 0.2s ease; }
.nav-links a:hover { color: var(--c-primary); }
.nav-links a::after {
  content: ''; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
  transition: all 0.25s ease; transform: translateX(-50%);
}
.nav-links a:hover::after { width: 100%; }

.nav-toggle { display: none; background: transparent; border: none; width: 36px; height: 36px; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--c-primary); border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================
   Hero 轮播图
============================ */
.hero {
  position: relative;
  min-height: clamp(460px, 55vh, 680px);
  padding: 106px 0 32px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* 轮播容器 */
.hero-slider {
  position: absolute; inset: 0; z-index: 0;
}
.hero-slides { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}
.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.hero-slide-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.08);
  transition: transform 8s ease;
}
.hero-slide.active .hero-slide-img {
  transform: scale(1);
}
.hero-slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10, 44, 74, 0.82) 0%, rgba(10, 44, 74, 0.55) 50%, rgba(10, 44, 74, 0.72) 100%);
}
/* 轮播控制 */
.hero-dots {
  position: absolute; bottom: 20px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 10px; z-index: 3;
}
.hero-dots .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}
.hero-dots .dot.active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  box-shadow: 0 0 10px rgba(91, 168, 95, 0.5);
}
.hero-dots .dot:hover {
  border-color: #fff;
}

.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
  z-index: 3;
}
.hero-arrow:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
}
.hero-arrow-prev { left: 24px; }
.hero-arrow-next { right: 24px; }

/* Hero 内容 */
.hero-content {
  position: relative; z-index: 2;
  max-width: 880px;
}
/* 第二张轮播（护士加合作）专属文字层：默认隐藏，轮播到该张时显示 */
.hero-content--alliance { display: none; }
.hero.hero--alliance-mode .hero-content { display: none; }
.hero.hero--alliance-mode .hero-content--alliance { display: block; }
.hero-eyebrow {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 100px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
  letter-spacing: 1px;
  margin-bottom: 17px;
  backdrop-filter: blur(4px);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.8vw, 50px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}
.hero-title .accent {
  background: linear-gradient(120deg, #7ec8e3 0%, #8dd992 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.9;
  margin-bottom: 26px;
  max-width: 780px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 19px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 8px 19px;
  font-size: 12px; font-weight: 500;
  border-radius: 100px; border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn-icon { width: 16px; height: 16px; }
.btn-primary {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-dark) 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(91, 168, 95, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(91, 168, 95, 0.45); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.15); border-color: #fff; }

.hero-stats { display: flex; gap: 44px; flex-wrap: wrap; margin-top: 4px; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong {
  font-family: var(--font-display);
  font-size: 30px; font-weight: 700;
  color: #fff;
  line-height: 1;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}
.hero-stats strong small { font-size: 13px; color: var(--c-accent); font-weight: 500; margin-left: 2px; }
.hero-stats span { font-size: 13px; color: rgba(255, 255, 255, 0.65); margin-top: 6px; }

/* ============================
   Section base
============================ */
.section { padding: 40px 0; position: relative; }
.section-head { max-width: 760px; margin: 0 auto 26px; text-align: center; }
.kicker { display: inline-block; font-size: 12px; color: var(--c-accent-dark); letter-spacing: 3px; text-transform: uppercase; font-weight: 600; margin-bottom: 16px; }
.kicker-light { color: var(--c-primary); }
.section-head h2 { font-family: var(--font-display); font-size: clamp(28px, 4vw, 42px); font-weight: 700; color: var(--c-ink); letter-spacing: -0.5px; margin-bottom: 18px; }
.section-head .lead { font-size: 16px; color: var(--c-ink-soft); line-height: 1.75; }

/* ============================
   About
============================ */
.about { background: #fff; }
.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 40px; }
.about-card {
  padding: 40px 32px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
  position: relative;
}
.about-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
  border-top: 3px solid var(--c-primary);
}
.about-icon {
  width: 56px; height: 56px;
  color: var(--c-primary);
  margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg-alt);
  border-radius: 14px;
}
.about-card h3 { font-size: 20px; color: var(--c-ink); margin-bottom: 12px; }
.about-card p { color: var(--c-ink-soft); font-size: 15px; line-height: 1.75; }

.about-values {
  position: relative;
  text-align: center;
  padding: 28px 32px;
  background:
    linear-gradient(135deg, rgba(11, 34, 60, 0.86) 0%, rgba(15, 76, 129, 0.72) 100%),
    url('assets/page-hero-bg.png') center 35% / cover no-repeat;
  border-radius: var(--radius);
  color: #fff;
  overflow: hidden;
}
.about-values::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 85% 15%, rgba(91,168,95,0.22) 0%, transparent 50%), radial-gradient(circle at 15% 85%, rgba(29,95,160,0.3) 0%, transparent 50%);
  pointer-events: none;
}
.about-values h3 { position: relative; font-family: var(--font-display); font-size: clamp(28px, 4vw, 42px); font-weight: 700; color: #fff; margin-bottom: 40px; letter-spacing: -0.5px; }
.value-row { position: relative; display: flex; justify-content: center; gap: 56px; flex-wrap: wrap; }
.value-item { display: flex; flex-direction: column; align-items: center; gap: 14px; min-width: 100px; }
.value-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 62px; height: 62px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
  transition: all 0.3s ease;
}
.value-item:hover .value-icon {
  border-color: var(--c-accent);
  background: rgba(91, 168, 95, 0.16);
  color: #fff;
  transform: translateY(-3px);
}
.value-text { font-size: 16px; color: #fff; font-weight: 500; letter-spacing: 1px; }

/* ============================
   Services
============================ */
.services { background: linear-gradient(180deg, #f6f9fc 0%, #ffffff 100%); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid var(--c-border);
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  opacity: 0; transition: opacity 0.35s ease; z-index: 0;
}
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }

.service-icon {
  width: 52px; height: 52px;
  color: var(--c-primary);
  margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg-alt);
  border-radius: 14px;
  transition: all 0.3s ease;
}
.service-card:hover .service-icon {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.service-card h3 { font-size: 20px; color: var(--c-ink); margin-bottom: 16px; transition: color 0.3s ease; }
.service-card ul li { font-size: 14px; color: var(--c-ink-soft); padding: 6px 0 6px 18px; position: relative; transition: color 0.3s ease; }
.service-card ul li::before { content: ''; position: absolute; left: 0; top: 14px; width: 6px; height: 6px; background: var(--c-accent); border-radius: 50%; transition: background 0.3s ease; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover h3, .service-card:hover li, .service-card:hover .service-result { color: #fff; }
.service-card:hover ul li::before { background: #fff; }
.service-card-wide { grid-column: span 2; }

/* ============================
   Experts
============================ */
.experts { background: #fff; }
.expert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.expert-card {
  padding: 36px 24px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all 0.3s ease;
}
.expert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--c-accent-light); }
.expert-avatar {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--c-bg-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-primary);
  transition: all 0.3s ease;
}
.expert-card:hover .expert-avatar {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(15, 76, 129, 0.2);
}
.expert-card h4 { font-size: 17px; color: var(--c-primary); margin-bottom: 12px; }
.expert-card p { font-size: 14px; color: var(--c-ink-soft); line-height: 1.7; }

/* ============================
   Org / Data
============================ */
.data { background: var(--c-bg-dark); color: #fff; }
.data .section-head h2 { color: #fff; }
.data .section-head .lead { color: rgba(255, 255, 255, 0.78); }
.org-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.org-block {
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}
.org-block:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-4px); }
.org-icon {
  width: 48px; height: 48px;
  color: var(--c-accent);
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  transition: all 0.3s ease;
}
.org-block:hover .org-icon {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.org-num { display: block; font-family: var(--font-display); font-size: 52px; font-weight: 700; background: linear-gradient(135deg, #fff 0%, var(--c-accent) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; margin-bottom: 12px; }
.org-num small { font-size: 40px; }
.org-label { font-size: 14px; color: rgba(255, 255, 255, 0.8); }

/* ============================
   Cooperation
============================ */
.cooperation { background: var(--c-bg-alt); }
.coop-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.coop-card {
  padding: 40px 36px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  position: relative;
  transition: all 0.3s ease;
}
.coop-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--c-accent-light); }
.coop-icon {
  width: 52px; height: 52px;
  color: var(--c-primary);
  margin-bottom: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg-alt);
  border-radius: 14px;
  transition: all 0.3s ease;
}
.coop-card:hover .coop-icon {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent-dark) 100%);
  color: #fff;
  box-shadow: 0 6px 16px rgba(15, 76, 129, 0.18);
}
.coop-card h3 { font-size: 20px; color: var(--c-ink); margin-bottom: 12px; }
.coop-card p { font-size: 15px; color: var(--c-ink-soft); line-height: 1.75; }

/* ============================
   Alliance (护士加 × 国创康健)
============================ */
.alliance { background: linear-gradient(180deg, #ffffff 0%, #f2f8fd 100%); }
.alliance .section-head { margin-bottom: 28px; }

/* 三方关系图 */
.alliance-map {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: stretch;
  margin-bottom: 36px;
}
.a-node {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.a-node::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-accent) 100%);
}
.a-node:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.a-node-icon {
  width: auto;
  height: auto;
  margin: 0 auto 18px;
  border-radius: 10px;
  background: #fff;
  padding: 8px 12px;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.a-node:hover .a-node-icon:not(.a-node-logo) {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent-dark) 100%);
  color: #fff;
}

/* NursePlus logo inside alliance node */
.a-node-logo {
  width: auto;
  height: auto;
  margin: 0 auto 18px;
  border-radius: 10px;
  background: #fff;
  padding: 8px 12px;
  overflow: hidden;
}
.a-node-logo img {
  display: block;
  width: 120px;
  height: auto;
  border-radius: 6px;
}
.a-node h4 { font-size: 18px; color: var(--c-ink); margin-bottom: 10px; }
.a-role {
  display: inline-block;
  font-size: 12px;
  color: var(--c-accent-dark);
  background: var(--c-accent-light);
  padding: 4px 14px;
  border-radius: 100px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.a-node p { font-size: 14px; color: var(--c-ink-soft); line-height: 1.75; text-align: left; }
.alliance-link { margin: -12px 0 36px; text-align: center; }

.a-handshake {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 120px;
}
.a-hs-icon {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent-dark) 100%);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px rgba(15, 76, 129, 0.25);
  animation: hs-breathe 3.2s ease-in-out infinite;
}
@keyframes hs-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 10px 26px rgba(15, 76, 129, 0.25); }
  50% { transform: scale(1.06); box-shadow: 0 14px 32px rgba(15, 76, 129, 0.35); }
}
.a-hs-text { font-size: 12px; color: var(--c-ink-mute); letter-spacing: 2px; font-weight: 600; white-space: nowrap; }

.a-node-full {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 26px;
  align-items: center;
  text-align: left;
  padding: 34px 40px;
}
.a-node-full .a-node-icon { grid-row: 1 / span 2; margin: 0; }
.a-node-full h4 { align-self: end; }
.a-node-full .a-role { justify-self: start; margin-bottom: 0; }
.a-node-full p { grid-column: 1 / -1; margin-top: 10px; }

/* 合作服务内容 */
.alliance-services h3 {
  text-align: center;
  font-size: 22px;
  color: var(--c-primary);
  letter-spacing: 1px;
  margin-bottom: 32px;
}
.as-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-bottom: 72px; }
.as-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.as-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  opacity: 0; transition: opacity 0.35s ease; z-index: 0;
}
.as-card:hover::before { opacity: 1; }
.as-card > * { position: relative; z-index: 1; }
.as-icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 14px;
  background: var(--c-bg-alt);
  color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.as-card:hover .as-icon { background: rgba(255, 255, 255, 0.15); color: #fff; }
.as-card h4 { font-size: 15px; color: var(--c-ink); margin-bottom: 10px; transition: color 0.3s ease; }
.as-card p { font-size: 13px; color: var(--c-ink-mute); line-height: 1.6; transition: color 0.3s ease; }
.as-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.as-card:hover h4, .as-card:hover p { color: #fff; }

/* 权责与合规 */
.alliance-rule {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: var(--c-bg-dark);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
}
.rule-item { display: flex; align-items: flex-start; gap: 20px; }
.rule-icon {
  width: 64px; height: 64px;
  flex-shrink: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.rule-item:hover .rule-icon { background: rgba(255, 255, 255, 0.12); color: #fff; }
.rule-body h4 { color: #fff; font-size: 18px; margin-bottom: 10px; letter-spacing: 1px; }
.rule-body p { color: rgba(255, 255, 255, 0.78); font-size: 14px; line-height: 1.75; }

/* ============================
   News
============================ */
.news { background: linear-gradient(180deg, #f6f9fc 0%, #ffffff 100%); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 28px; }
.news-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-thumb {
  height: 170px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--c-bg-alt) 0%, #eef2f7 100%);
  color: var(--c-primary);
  transition: all 0.3s ease;
  overflow: hidden;
}
.news-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.news-card:hover .news-thumb img {
  transform: scale(1.06);
}
.news-card:hover .news-thumb:has(:not(img)) {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  color: #fff;
}
.news-body { padding: 28px 26px 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.news-date { display: inline-flex; align-items: center; gap: 5px; font-size: 13px; color: var(--c-ink-mute); }
.news-date svg { color: var(--c-ink-mute); flex-shrink: 0; }
.news-tag {
  display: inline-block;
  font-size: 12px;
  color: var(--c-accent-dark);
  background: var(--c-accent-light);
  padding: 3px 12px;
  border-radius: 100px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--c-ink);
  line-height: 1.5;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}
.news-card:hover h3 { color: var(--c-primary); }
.news-card p { font-size: 14px; color: var(--c-ink-soft); line-height: 1.7; margin-bottom: 18px; flex: 1; }
.news-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 500;
  color: var(--c-primary);
  transition: gap 0.25s ease, color 0.25s ease;
}
.news-link:hover { gap: 10px; color: var(--c-accent-dark); }
.news-more { text-align: center; }

/* Outline button */
.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border: 1.5px solid var(--c-border);
}
.btn-outline:hover {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 76, 129, 0.15);
}

/* ============================
   CTA
============================ */
.cta {
  padding: 40px 0;
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.94) 0%, rgba(91, 168, 95, 0.92) 100%), radial-gradient(circle at 30% 50%, #1a5a94, #0a3a64);
  color: #fff; position: relative; overflow: hidden;
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 40%), radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 40%);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; position: relative; }
.cta-text h2 { font-family: var(--font-display); font-size: 30px; font-weight: 700; margin-bottom: 10px; }
.cta-text p { font-size: 16px; opacity: 0.92; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-white { background: #fff; color: var(--c-primary); }
.btn-white:hover { background: #fff; color: var(--c-primary-dark); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0, 0, 0, 0.18); }
.btn-line { background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, 0.6); }
.btn-line:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }

/* ============================
   Contact
============================ */
.contact { background: #fff; }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.contact-card { padding: 36px 28px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); text-align: center; transition: all 0.3s ease; position: relative; overflow: hidden; }
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--c-accent-light); }
.contact-qr-card { cursor: pointer; }
.contact-qr-overlay { position: absolute; inset: 0; background: rgba(15, 76, 129, 0.95); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; opacity: 0; visibility: hidden; transition: opacity 0.35s ease, visibility 0.35s ease; padding: 20px; }
.contact-qr-card:hover .contact-qr-overlay { opacity: 1; visibility: visible; }
.contact-qr-overlay img { width: 140px; height: 140px; border-radius: 8px; object-fit: cover; background: #fff; }
.contact-qr-overlay span { color: #fff; font-size: 14px; font-weight: 500; }
/* 移动端专属：点击卡片跳转到底部 footer 二维码（PC 默认隐藏） */
.contact-qr-jump { display: none; }
.contact-icon { width: 60px; height: 60px; margin: 0 auto 18px; display: flex; align-items: center; justify-content: center; background: var(--c-bg-alt); border-radius: 16px; }
.contact-card h3 { font-size: 16px; color: var(--c-primary); margin-bottom: 12px; letter-spacing: 1px; }
.contact-card p { font-size: 15px; color: var(--c-ink); font-weight: 500; line-height: 1.5; }
.contact-card p.small { font-size: 12px; color: var(--c-ink-mute); font-weight: 400; margin-top: 6px; }

/* ============================
   Footer
============================ */
.site-footer { background: #061f3a; color: rgba(255, 255, 255, 0.7); padding-top: 64px; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; padding-bottom: 48px; }
.foot-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; flex-shrink: 0; }
.foot-brand-main { flex-shrink: 0; }
.foot-cols { display: flex; gap: 128px; flex-shrink: 0; margin-right: 48px; }
.foot-brand-qr { display: flex; flex-direction: column; align-items: center; gap: 6px; flex-shrink: 0; }
.foot-brand-qrs { display: flex; flex-direction: row; gap: 40px; flex-shrink: 0; }
.foot-qr-img { width: 90px; height: 90px; border-radius: 4px; object-fit: cover; background: #fff; }
.foot-brand-qr span { font-size: 14px; opacity: 0.85; }
.foot-logo-wrap { display: inline-flex; align-items: center; justify-content: center; background: #fff; padding: 4px 8px; border-radius: 6px; }
.foot-logo { display: block; height: 28px; width: auto; }
.foot-brand p { font-size: 14px; line-height: 1.7; opacity: 0.85; }
.foot-col h5 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: 1px; }
.foot-col a { display: block; font-size: 14px; padding: 5px 0; opacity: 0.7; transition: opacity 0.2s ease; }
.foot-col a:hover { opacity: 1; color: var(--c-accent); }
.foot-col--two { column-count: 1; column-gap: 28px; }
.foot-col--two h5 { column-span: all; }
.foot-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 22px 0; font-size: 13px; opacity: 0.6; }
.foot-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.foot-copy { flex-direction: column; gap: 4px; line-height: 1.7; align-items: center; text-align: center; }
.foot-copy p { margin: 0; }
.foot-copy a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
.foot-copy a:hover { color: var(--c-accent); text-decoration: underline; }

/* ============================
   Responsive
============================ */
@media (max-width: 960px) {
  .nav-links {
    position: absolute; top: 76px; right: 18px; left: auto; bottom: auto;
    width: min(24vw, 78px); min-width: 72px; max-width: 78px;
    background: #fff; border: 1px solid var(--c-border); border-radius: 10px;
    flex-direction: column; padding: 4px 6px; gap: 0;
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.12);
    z-index: 110;
  }
  .nav-links a {
    color: var(--c-ink); font-size: 14px; font-weight: 500; line-height: 1.4;
    padding: 6px 4px; border-bottom: 1px solid rgba(15, 76, 129, 0.06);
    width: 100%; box-sizing: border-box;
  }
  .nav-links a:last-child { border-bottom: none; }
  /* 所有项样式完全统一，当前页/悬停均不再变色或出现下划线 */
  .nav-links a.active,
  .nav-links a:hover { color: var(--c-ink); background: transparent; }
  .nav-links a:hover::after { display: none; }
  .nav-links.open { transform: translateY(0); opacity: 1; visibility: visible; background: #fff; }
  .nav-toggle { display: flex; }

  .hero { padding: 100px 0 25px; min-height: 47vh; }
  .hero-arrow { display: none; }
  .hero-stats { gap: 30px; }
  .hero-stats strong { font-size: 24px; }
  .hero-dots { bottom: 12px; }

  .section { padding: 28px 0; }
  .section-head h2 { font-size: 22px; }
  /* 移动端：板块引导文字 lead 字号小 2px（16→14） */
  .section-head .lead { font-size: 14px; }
  .about-grid, .service-grid, .expert-grid, .org-grid, .contact-grid, .coop-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  /* 移动端：业务领域 service-card 紧凑化 */
  .service-card { padding: 24px 20px; }
  .service-icon { width: 44px; height: 44px; margin-bottom: 12px; }
  .service-icon svg { width: 30px; height: 30px; }
  .service-card h3 { font-size: 18px; margin-bottom: 12px; }
  .service-card ul li { font-size: 13px; padding: 4px 0 4px 16px; }
  .service-card ul li::before { top: 12px; width: 5px; height: 5px; }
  .service-result { margin-top: 10px; padding-top: 10px; }
  /* 移动端：关于研究院卡片改为 alliance-rule 式横排（图标左+文字右），颜色不变 */
  .about-grid { grid-template-columns: 1fr; gap: 16px; }
  .about-card { display: flex; align-items: flex-start; gap: 20px; padding: 24px 22px; }
  .about-icon { flex-shrink: 0; margin-bottom: 0; }
  .service-card-wide { grid-column: span 2; }
  .value-row { gap: 36px; }
  .footer-inner { flex-wrap: wrap; gap: 32px; }
  .foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px 20px; flex-basis: 100%; margin-right: 0; }
  .foot-cols .foot-col h5 { font-size: 13px; margin-bottom: 10px; }
  .foot-cols .foot-col a { font-size: 12px; padding: 4px 0; }
  .foot-brand { align-items: center; text-align: center; }
  .cta-inner { flex-direction: column; text-align: center; }
  /* 移动端：官方公众号 / 合作咨询 卡片整体可点击，跳转到底部 footer 二维码 */
  .contact-qr-jump { display: block; position: absolute; inset: 0; z-index: 5; }

  .alliance-map { grid-template-columns: 1fr; gap: 24px; }
  .a-handshake { flex-direction: row; width: auto; justify-content: center; gap: 18px; }
  .a-node-full { grid-template-columns: 1fr; text-align: center; }
  .a-node-full .a-node-icon { grid-row: auto; margin: 0 auto 12px; }
  .a-node-full .a-role { justify-self: center; }
  /* 移动端：服务对象标题字号小一些、单行不换行（超出省略） */
  .a-node-title { font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .a-node-full p { grid-column: 1; text-align: center; }
  .as-grid { grid-template-columns: repeat(3, 1fr); }
  .alliance-rule { grid-template-columns: 1fr; padding: 36px 28px; }

}

@media (max-width: 600px) {
  .container { padding: 0 18px; }
  .nav-inner { height: 64px; }
  .nav-links { top: 64px; right: 14px; }
  .brand-logo { height: 36px; }
  .brand-text strong { font-size: 14px; }
  .brand-text em { font-size: 10px; }

  .hero { padding: 92px 0 22px; min-height: 44vh; }
  .hero-title { font-size: 26px; }
  .hero-sub { font-size: 13px; }
  .hero-stats { flex-direction: row; flex-wrap: wrap; gap: 16px 20px; justify-content: flex-start; }
  .hero-stats strong { font-size: 24px; }
  .hero-dots { bottom: 12px; }

  .a-node p { text-align: center; }
  .a-node-full p { text-align: center; }

  .section-head h2 { font-size: 18px; letter-spacing: -0.3px; }
  .cta-text h2 { font-size: 22px; }

  .segment-tabs { gap: 10px; }
  .segment-tab { padding: 9px 14px; font-size: 13px; }
  .segment-tab .st-index { display: none; }

  .svc-head .lead { font-size: 14px; line-height: 1.6; }

  .btn { padding: 12px 24px; font-size: 14px; }

  .about-grid, .service-grid, .expert-grid, .org-grid, .contact-grid, .coop-grid, .news-grid { grid-template-columns: 1fr; }
  /* 移动端：合作联系卡片改为一排两个（2 列），PC 不动 */
  .contact-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .contact-card { padding: 18px 12px; border-radius: 12px; }
  .contact-icon { width: 38px; height: 38px; margin-bottom: 8px; border-radius: 10px; }
  .contact-icon svg { width: 20px; height: 20px; }
  .contact-card h3 { font-size: 14px; margin-bottom: 6px; letter-spacing: 0.5px; }
  .contact-card p { font-size: 12px; line-height: 1.5; }
  .contact-card p.small { font-size: 10px; margin-top: 4px; line-height: 1.4; }
  .contact-qr-overlay { gap: 6px; padding: 8px; }
  .contact-qr-overlay img { width: 76px; height: 76px; }
  .contact-qr-overlay span { font-size: 10px; }
  .service-card { padding: 20px 16px; }
  .service-icon { width: 40px; height: 40px; margin-bottom: 10px; }
  .service-icon svg { width: 26px; height: 26px; }
  .service-card h3 { font-size: 17px; margin-bottom: 10px; }
  .service-card ul li { font-size: 13px; padding: 4px 0 4px 15px; }
  .service-card ul li::before { top: 12px; }
  .service-result { margin-top: 10px; padding-top: 10px; }
  .about-card { display: flex; align-items: flex-start; gap: 16px; padding: 20px 18px; }
  .about-icon { flex-shrink: 0; margin-bottom: 0; }
  .org-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .org-block { padding: 16px 10px; border-radius: 12px; }
  .org-icon { width: 34px; height: 34px; margin-bottom: 8px; border-radius: 10px; }
  .org-icon svg { width: 20px; height: 20px; }
  .org-num { font-size: 28px; margin-bottom: 6px; }
  .org-num small { font-size: 20px; }
  .org-label { font-size: 12px; }
  .coop-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .coop-card { padding: 18px 14px; border-radius: 12px; }
  .coop-icon { width: 36px; height: 36px; margin-bottom: 10px; border-radius: 10px; }
  .coop-icon svg { width: 22px; height: 22px; }
  .coop-card h3 { font-size: 15px; margin-bottom: 6px; }
  .coop-card p { font-size: 12px; line-height: 1.6; }
  .service-card-wide { grid-column: span 1; }
  .value-row { gap: 28px; }
  .about-values { padding: 22px 22px; }
  .value-item { min-width: 80px; }
  .footer-inner { flex-direction: column; }
  .foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px 12px; }
  .foot-col--two { column-count: 1; }
  .foot-bottom .container { flex-direction: column; text-align: center; }

  .as-grid { grid-template-columns: 1fr; }
  /* 移动端：合作服务内容卡片改为一排两个（2 列），PC 不动 */
  .as-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .as-card { padding: 18px 12px; border-radius: 12px; }
  .as-icon { width: 38px; height: 38px; margin-bottom: 8px; border-radius: 10px; }
  .as-icon svg { width: 22px; height: 22px; }
  .as-card h4 { font-size: 13px; margin-bottom: 6px; }
  .as-card p { font-size: 12px; line-height: 1.5; }
  /* 移动端：临床师资培养卡片改为左图标右文字横排（参考 rule-item），跨两列全宽 */
  .as-card-row { display: flex; align-items: flex-start; gap: 12px; text-align: left; grid-column: span 2; padding: 16px 14px; }
  .as-card-row .as-icon { flex-shrink: 0; margin: 0; }
  .as-card-row h4 { margin-bottom: 4px; }
  .a-node { padding: 32px 24px; }
  .a-node-full { padding: 28px 22px; }

  /* 研究院动态：移动端不展示图片，介绍截断两行 */
  .news-card .news-thumb { display: none; }
  .news-card p {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

/* ============================
   Page Hero (子页面通用 banner)
============================ */
.page-hero {
  padding: 100px 0 50px;
  background:
    linear-gradient(135deg, rgba(11, 34, 60, 0.86) 0%, rgba(15, 76, 129, 0.72) 100%),
    url('assets/page-hero-bg.png') center 35% / cover no-repeat;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 85% 15%, rgba(91,168,95,0.15) 0%, transparent 50%), radial-gradient(circle at 15% 85%, rgba(29,95,160,0.2) 0%, transparent 50%);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-eyebrow { display: inline-block; font-size: 12px; color: var(--c-accent); letter-spacing: 3px; text-transform: uppercase; font-weight: 600; margin-bottom: 16px; }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(32px, 5vw, 46px); font-weight: 700; margin-bottom: 16px; }
.page-hero p { font-size: 16px; color: rgba(255,255,255,0.8); max-width: 680px; line-height: 1.75; }
.page-hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 15px;
  color: rgba(255,255,255,0.85);
}
.page-hero-meta .meta-sep { opacity: 0.5; }
@media (max-width: 600px) {
  .page-hero-meta { font-size: 13px; gap: 6px; line-height: 1.9; }
}

/* ============================
   News List Page
============================ */
.news-list { padding-top: 36px; }
.news-filter {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}
.news-filter-btn {
  padding: 8px 22px;
  font-size: 14px; font-weight: 500;
  border: 1.5px solid var(--c-border);
  border-radius: 100px;
  background: #fff;
  color: var(--c-ink-soft);
  cursor: pointer;
  transition: all 0.25s ease;
}
.news-filter-btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
.news-filter-btn.active {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent-dark) 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(15, 76, 129, 0.2);
}
.news-card.hidden { display: none; }

/* ============================
   News Page（news.html 简化列表，作用域隔离，不影响首页 news-grid）
   参考布局：PC 3 列 → ≤960px 2 列 → ≤600px 1 列，整卡可点
============================ */
.news-page .news-grid { grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 0; }
.news-page .news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.news-page .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-page .news-thumb { height: auto; aspect-ratio: 16 / 9; }
.news-page .news-card:hover .news-thumb img { transform: scale(1.05); }
.news-page .news-body { padding: 20px 20px 22px; }
.news-page .news-card h3 { margin-bottom: 8px; }
.news-page .news-body p {
  font-size: 13.5px;
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-page .news-meta { margin-bottom: 0; }
.news-page .news-date { font-size: 12.5px; }

@media (max-width: 960px) {
  .news-page .news-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 600px) {
  .news-page .news-grid { grid-template-columns: 1fr; gap: 14px; }
  .news-page .news-card .news-thumb { display: block; }
  .news-page .news-body { padding: 18px 18px 20px; }
}

/* ============================
   Article Page
============================ */
.article-section { padding: 80px 0 100px; background: #fff; }
.article-layout { max-width: 860px; margin: 0 auto; }
.article-main { min-width: 0; }
.article-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; color: var(--c-ink-soft);
  margin-bottom: 32px;
  transition: color 0.2s ease;
}
.article-back:hover { color: var(--c-primary); }
.article-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.article-title { font-family: var(--font-display); font-size: clamp(24px, 3.5vw, 34px); font-weight: 700; color: var(--c-ink); line-height: 1.4; margin-bottom: 16px; }
.article-summary { font-size: 16px; color: var(--c-ink-soft); line-height: 1.8; padding: 20px 24px; background: var(--c-bg-alt); border-left: 4px solid var(--c-accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin-bottom: 36px; }
.article-content { font-size: 16px; color: var(--c-ink); line-height: 1.9; }
.article-content h2 { font-size: 22px; color: var(--c-primary); margin: 36px 0 16px; }
.article-content h3 { font-size: 18px; color: var(--c-ink); margin: 28px 0 12px; }
.article-content p { margin-bottom: 18px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 18px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote { padding: 16px 24px; background: var(--c-bg-alt); border-left: 4px solid var(--c-primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 24px 0; color: var(--c-ink-soft); }
.article-footer { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--c-border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.article-share { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--c-ink-mute); }

@media (max-width: 960px) {
  .article-section { padding: 60px 0 72px; }
}
@media (max-width: 600px) {
  .page-hero { padding: 130px 0 60px; }
}

/* Entrance animation */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; animation: fadeUp 0.8s ease forwards; }

/* ============================
   Expert profile (子页面)
============================ */
/* 首页专家卡片可点击 */
.expert-card { display: block; text-decoration: none; color: inherit; }
.expert-more { display: inline-block; margin-top: 10px; font-size: 13px; color: var(--c-accent); font-weight: 600; letter-spacing: 0.5px; }

/* 专家列表 */
.expert-profile-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.expert-profile-card {
  display: flex; gap: 22px; align-items: flex-start;
  padding: 28px 26px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: all 0.3s ease;
}
.expert-profile-card:hover { box-shadow: var(--shadow); border-color: var(--c-accent-light); transform: translateY(-4px); }
.expert-photo {
  width: 140px; height: 186px; flex-shrink: 0;
  border-radius: 12px;
  background: #f5f5f5;
  display: flex; align-items: center; justify-content: center;
  color: #9dbacd;
  position: relative; overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.expert-photo img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }
.expert-photo .photo-tag {
  position: absolute; left: 0; right: 0; bottom: 0;
  font-size: 10px; color: #fff; text-align: center;
  background: rgba(15, 76, 129, 0.68);
  padding: 3px 0; letter-spacing: 1px;
}
.expert-photo .photo-placeholder {
  display: inline-flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; color: #a8c0d0; letter-spacing: 1px; white-space: nowrap;
}
.expert-photo .photo-placeholder::before {
  content: ""; width: 42px; height: 42px; border-radius: 50%;
  border: 1.5px dashed #a8c0d0;
  background:
    radial-gradient(circle at 50% 36%, rgba(168,192,208,0.5) 0 9px, transparent 10px),
    radial-gradient(circle at 50% 90%, rgba(168,192,208,0.32) 0 15px, transparent 16px);
}
.expert-photo .photo-placeholder::after {
  content: "3:4 竖版 · 600px+ 宽"; font-size: 9px; color: #b9cdd9;
}
.expert-profile-body { min-width: 0; }
.expert-profile-body h3 { font-size: 18px; color: var(--c-primary); margin-bottom: 6px; }
.expert-profile-body .role { font-size: 13px; color: var(--c-accent); font-weight: 600; margin-bottom: 6px; }
.expert-profile-body .field { font-size: 13px; color: var(--c-ink-mute); margin-bottom: 10px; }
.expert-profile-body p { font-size: 13.5px; color: var(--c-ink-soft); line-height: 1.75; }

/* 其他专家方向 */
.expert-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
.expert-nav-item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 24px 26px;
  background: var(--c-bg-dark);
  border-radius: var(--radius);
  color: #fff;
  transition: all 0.3s ease;
}
.expert-nav-item:hover { opacity: 0.92; transform: translateY(-3px); }
.expert-nav-label { font-size: 17px; font-weight: 700; letter-spacing: 1px; }
.expert-nav-desc { font-size: 13px; color: rgba(255, 255, 255, 0.72); line-height: 1.6; }
.expert-nav-item .btn-icon { margin-top: 8px; color: var(--c-accent); }

@media (max-width: 900px) {
  .expert-profile-list { grid-template-columns: 1fr; }
  .expert-nav { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .expert-profile-card { flex-direction: column; align-items: center; }
  .expert-profile-body { width: 100%; text-align: left; }
}

/* ============================
   Logo wall placeholder（关于页）
============================ */
/* ============================
   About 简介左右布局
============================ */
.about-intro-row {
  display: flex;
  align-items: center;
  gap: 48px;
  max-width: 1100px;
  margin: 0 auto;
}
.about-intro-text {
  flex: 1 1 55%;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink-soft);
}
.about-intro-text p + p { margin-top: 14px; }
.about-intro-media {
  flex: 1 1 40%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-intro-img {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
}
@media (max-width: 860px) {
  .about-intro-row { flex-direction: column; gap: 28px; }
  .about-intro-media { width: 100%; }
  .about-intro-img { max-width: 100%; }
}

/* ============================
   FAQ 列表
============================ */
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1px solid #e2e8f0; border-radius: 12px;
  background: #fff; overflow: hidden; transition: box-shadow .2s, border-color .2s;
}
.faq-item:hover { box-shadow: 0 4px 18px rgba(15,76,129,.08); border-color: rgba(15,76,129,.25); }
.faq-q {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 22px 0;
  font-size: 16px; font-weight: 600; color: #1a1a2e;
}
.faq-q::before {
  content: 'Q';
  flex-shrink: 0;
  width: 26px; height: 26px; border-radius: 8px;
  background: var(--c-accent-light); color: var(--c-accent-dark);
  font-size: 14px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.faq-a { padding: 10px 22px 20px 60px; color: #5a6473; font-size: 15px; line-height: 1.75; }
.faq-a p { margin: 0; }
.faq-cta {
  margin-top: 40px; text-align: center; padding: 32px 24px;
  background: #f5f8fb; border-radius: 16px;
}
.faq-cta h3 { font-size: 20px; margin-bottom: 8px; }
.faq-cta p { color: #5a6473; margin-bottom: 20px; }
.faq-cta .btn { margin: 0 6px; }

/* 首页 FAQ：更多问题折叠（引导至子页面） */
.faq-more {
  margin-top: 24px;
  text-align: center;
}

/* ============================
   Services 子页面（业务领域）
============================ */
.svc-nav { display: flex; flex-wrap: nowrap; gap: 12px; justify-content: center; }
.svc-nav a {
  padding: 10px 22px; border-radius: 999px;
  border: 1px solid var(--c-border); background: #fff;
  font-size: 14px; font-weight: 500; color: var(--c-ink-soft);
  transition: all 0.25s ease;
  text-align: center;
  white-space: nowrap; flex: 0 0 auto;
}
.svc-nav a:hover { border-color: var(--c-primary); color: var(--c-primary); }

@media (max-width: 960px) {
  .svc-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 12px; }
  .svc-nav a { width: 100%; box-sizing: border-box; padding: 9px 8px; font-size: 13px; white-space: nowrap; border-radius: 5px; }
}
@media (max-width: 600px) {
  .svc-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 12px; }
  .svc-nav a { width: 100%; box-sizing: border-box; padding: 8px 6px; font-size: 12px; white-space: nowrap; border-radius: 5px; }
}

.svc-block { padding: 72px 0; scroll-margin-top: 90px; }
.svc-block-alt { background: var(--c-bg-alt); }
.svc-head { margin-bottom: 44px; }
.svc-head .service-icon { width: 64px; height: 64px; margin: 0 auto 6px; }

.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-point {
  background: #fff; border: 1px solid var(--c-border);
  border-radius: 12px; padding: 24px 22px;
  transition: all 0.3s ease;
}
.svc-point:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: rgba(15,76,129,.25); }
.svc-point h4 { font-size: 16px; color: var(--c-ink); margin-bottom: 8px; }
.svc-point p { font-size: 14px; color: var(--c-ink-soft); line-height: 1.7; }
.svc-audience {
  margin: 36px auto 0; width: fit-content;
  font-size: 14px; color: var(--c-ink-soft);
  background: #fff; border: 1px solid var(--c-border);
  border-radius: 999px; padding: 10px 24px;
}
.svc-audience strong { color: var(--c-primary); font-weight: 600; }

@media (max-width: 960px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .svc-grid { grid-template-columns: 1fr; }
  .svc-block { padding: 56px 0; }
}

/* ===== 用户分流入口 ===== */
.segment { background: var(--c-bg-alt); }
.segment-tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.segment-tab {
  flex: 1 1 0; min-width: 160px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 18px; background: #fff; border: 1px solid var(--c-border); border-radius: 12px;
  font-size: 16px; font-weight: 600; color: var(--c-ink-soft); cursor: pointer;
  appearance: none; -webkit-appearance: none; font-family: inherit; text-align: center; line-height: 1.3;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.segment-tab .st-index { font-size: 13px; font-weight: 700; color: var(--c-primary); opacity: .7; }
.segment-tab:hover { border-color: var(--c-primary); color: var(--c-primary); }
.segment-tab.is-active {
  background: var(--c-primary); border-color: var(--c-primary); color: #fff;
  box-shadow: 0 8px 22px rgba(15,76,129,.28);
}
.segment-tab.is-active .st-index { color: #fff; opacity: .85; }
.segment-panel { margin-top: 24px; }
.segment-panel-item { display: none; }
.segment-panel-item.is-active { display: flex; gap: 36px; align-items: stretch; animation: panelFade .35s ease both; }
@keyframes panelFade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.sp-media { flex: 0 0 42%; border-radius: 14px; overflow: hidden; min-height: 260px; }
.sp-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.sp-body { flex: 1; background: #fff; border: 1px solid var(--c-border); border-left: 4px solid var(--c-primary); border-radius: 14px; padding: 30px 34px; }
.sp-body h3 { font-size: 20px; margin: 0 0 18px; color: var(--c-ink); }
.path-list { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 12px; }
.path-list li { position: relative; padding-left: 26px; font-size: 15px; color: var(--c-ink-soft); line-height: 1.7; }
.path-list li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--c-primary); }
@media (max-width: 768px) {
  .segment-panel-item.is-active { flex-direction: column; gap: 0; }
  .sp-media { flex: none; min-height: 180px; }
  .sp-body { border-left: none; border-top: 4px solid var(--c-primary); padding: 22px 20px; }
  .segment-tabs { justify-content: center; }
  .segment-tab { font-size: 14px; padding: 11px 18px; flex: 0 1 auto; min-width: 0; border-radius: 100px; font-weight: 500; }
}

/* ===== 首页专家前置 ===== */
.expert-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.expert-feature {
  display: block; background: #fff; border: 1px solid var(--c-border); border-radius: 14px;
  overflow: hidden; text-decoration: none; color: var(--c-ink);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.expert-feature:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(15,76,129,.25); }
.ef-photo { aspect-ratio: 4 / 3; overflow: hidden; background: var(--c-bg-alt); }
.ef-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ef-body { padding: 18px 18px 22px; }
.ef-badge { display: inline-block; font-size: 12px; font-weight: 600; color: #fff; background: var(--c-primary); border-radius: 999px; padding: 3px 10px; margin-bottom: 10px; }
.ef-body h4 { font-size: 17px; margin: 0 0 4px; color: var(--c-ink); }
.ef-role { font-size: 13px; color: var(--c-ink-soft); margin: 0 0 10px; }
.ef-desc { font-size: 13px; color: var(--c-ink-soft); line-height: 1.65; margin: 0; }
.expert-feature-more { text-align: center; margin-top: 32px; }

/* ===== 业务结果化 ===== */
.service-result {
  margin: 14px 0 0; font-size: 13.5px; font-weight: 600; color: var(--c-primary);
  padding-top: 14px; border-top: 1px dashed var(--c-border);
}

@media (max-width: 960px) {
  .segment-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .segment-grid { grid-template-columns: 1fr; }
  .expert-feature-grid {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    margin-top: 24px;
    padding-bottom: 10px;
    gap: 12px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }
  .expert-feature-grid::-webkit-scrollbar { display: none; }
  .expert-feature-grid .expert-feature {
    flex: 0 0 82%; max-width: 82%;
    box-sizing: border-box; border-radius: 14px;
    scroll-snap-align: start;
  }
  .expert-feature-grid .ef-photo { aspect-ratio: 4 / 3; }
}

@media (prefers-reduced-motion: reduce) {
  .expert-feature-grid { scroll-snap-type: none; }
}

/* ===== 专家横向滚动列表进度条（仅移动端 ≤560px 显示） ===== */
.ef-progress {
  display: none;
  height: 4px;
  margin-top: 14px;
  border-radius: 999px;
  background: rgba(15, 76, 129, .12);
  overflow: hidden;
}
.ef-progress-bar {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--c-primary);
  transition: width .15s ease;
}
@media (max-width: 560px) {
  .ef-progress { display: block; }
}