/* ============================================
   诊所管理系统 (HIS) - 介绍子站样式
   ============================================ */
:root {
 --his-hero-from: #06251c;
 --his-hero-mid: #0a5d4c;
 --his-hero-to: #0e9a82;
 --his-primary: #10b981;
 --his-primary-dark: #059669;
 --his-accent: #5eead4;
 --his-text: #0f172a;
 --his-text-2: #64748b;
 --his-border: #e2e8f0;
 --his-bg: #ffffff;
 --his-bg-soft: #f8fafc;
 --his-radius: 12px;
 --his-radius-lg: 16px;
 --his-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
 --his-shadow-lg: 0 20px 40px rgba(6,51,40,0.12);
 --his-success: #10b981;
 --his-transition: all 0.3s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
 font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
 color: var(--his-text);
 background: var(--his-bg);
 line-height: 1.7;
 font-size: 15px;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ NAVBAR ============ */
.site-nav {
 position: sticky;
 top: 0;
 z-index: 999;
 background: rgba(6, 37, 28, 0.96);
 backdrop-filter: blur(10px);
 border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
 display: flex;
 align-items: center;
 justify-content: space-between;
 height: 64px;
}
.nav-brand {
 display: flex;
 align-items: center;
 gap: 10px;
 color: #fff;
 font-weight: 700;
 font-size: 17px;
}
.nav-brand i { font-size: 26px; color: var(--his-accent); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
 color: rgba(255,255,255,0.75);
 padding: 8px 16px;
 border-radius: 8px;
 font-size: 14px;
 font-weight: 500;
 transition: var(--his-transition);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a.active { color: #fff; background: rgba(16,185,129,0.25); }
.nav-cta {
 margin-left: 12px;
 background: linear-gradient(135deg, var(--his-primary), var(--his-primary-dark));
 color: #fff;
 padding: 9px 20px;
 border-radius: 8px;
 font-size: 14px;
 font-weight: 600;
 transition: var(--his-transition);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(16,185,129,0.4); color: #fff; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 26px; cursor: pointer; }

/* ============ HERO ============ */
.hero {
 position: relative;
 background: linear-gradient(135deg, var(--his-hero-from) 0%, var(--his-hero-mid) 50%, var(--his-hero-to) 100%);
 padding: 110px 0 90px;
 overflow: hidden;
}
.hero::before {
 content: '';
 position: absolute;
 top: -30%;
 right: -15%;
 width: 620px;
 height: 620px;
 background: radial-gradient(circle, rgba(16,185,129,0.35) 0%, transparent 70%);
 border-radius: 50%;
 animation: float 8s ease-in-out infinite;
}
.hero::after {
 content: '';
 position: absolute;
 bottom: -40%;
 left: -10%;
 width: 480px;
 height: 480px;
 background: radial-gradient(circle, rgba(56,189,248,0.2) 0%, transparent 70%);
 border-radius: 50%;
 animation: float 10s ease-in-out infinite reverse;
}
@keyframes float {
 0%, 100% { transform: translate(0, 0); }
 50% { transform: translate(28px, -28px); }
}
.hero .container { position: relative; z-index: 2; text-align: center; }
.hero-badge {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: rgba(255,255,255,0.1);
 border: 1px solid rgba(255,255,255,0.15);
 color: rgba(255,255,255,0.9);
 padding: 8px 20px;
 border-radius: 999px;
 font-size: 14px;
 margin-bottom: 26px;
}
.hero-badge i { color: #4ade80; }
.hero h1 {
 color: #fff;
 font-size: 50px;
 font-weight: 800;
 line-height: 1.2;
 letter-spacing: -1px;
 margin-bottom: 22px;
 background: linear-gradient(135deg, #ffffff 0%, #ccfbf1 100%);
 -webkit-background-clip: text;
 -webkit-text-fill-color: transparent;
 background-clip: text;
}
.hero p.lead {
 color: rgba(255,255,255,0.75);
 font-size: 18px;
 max-width: 640px;
 margin: 0 auto 36px;
 line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-btn {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 padding: 14px 34px;
 border-radius: 10px;
 font-size: 15px;
 font-weight: 600;
 transition: var(--his-transition);
}
.hero-btn.primary {
 background: linear-gradient(135deg, var(--his-primary), var(--his-primary-dark));
 color: #fff;
 box-shadow: 0 6px 20px rgba(16,185,129,0.5);
}
.hero-btn.primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(16,185,129,0.6); color: #fff; }
.hero-btn.outline {
 background: transparent;
 color: #fff;
 border: 2px solid rgba(255,255,255,0.3);
}
.hero-btn.outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); color: #fff; transform: translateY(-3px); }
.hero-stats {
 display: flex;
 justify-content: center;
 gap: 56px;
 margin-top: 60px;
}
.hero-stats .stat { text-align: center; }
.hero-stats .num {
 display: block; font-size: 32px; font-weight: 800; color: #fff; line-height: 1.2;
 background: linear-gradient(135deg, #5eead4, #a7f3d0);
 -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-stats .label {
 display: block; font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 4px;
}

/* ============ SECTION HEAD ============ */
.section {
 padding: 90px 0;
}
.section.soft { background: var(--his-bg-soft); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-tag {
 display: inline-block;
 background: rgba(16,185,129,0.1);
 color: var(--his-primary-dark);
 padding: 6px 18px;
 border-radius: 999px;
 font-size: 14px;
 font-weight: 600;
 margin-bottom: 16px;
}
.section-head h2 {
 font-size: 36px;
 font-weight: 700;
 letter-spacing: -0.5px;
 margin-bottom: 14px;
}
.section-head p {
 font-size: 16px;
 color: var(--his-text-2);
 max-width: 560px;
 margin: 0 auto;
}

/* ============ CARDS / GRID ============ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.card {
 background: var(--his-bg);
 border: 1px solid var(--his-border);
 border-radius: var(--his-radius-lg);
 padding: 36px 28px;
 transition: var(--his-transition);
 position: relative;
 overflow: hidden;
}
.card::before {
 content: '';
 position: absolute; top: 0; left: 0; right: 0; height: 4px;
 background: linear-gradient(135deg, var(--his-primary), var(--his-primary-dark));
 opacity: 0;
 transition: var(--his-transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--his-shadow-lg); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card .icon {
 width: 64px; height: 64px;
 border-radius: 14px;
 background: rgba(16,185,129,0.1);
 color: var(--his-primary);
 display: flex; align-items: center; justify-content: center;
 font-size: 28px;
 margin-bottom: 22px;
}
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; }
.card p { font-size: 14px; color: var(--his-text-2); line-height: 1.8; }

/* Feature list inside cards */
.card ul { margin-top: 14px; }
.card ul li {
 display: flex; align-items: flex-start; gap: 8px;
 padding: 5px 0; font-size: 14px; color: var(--his-text-2);
}
.card ul li i { color: var(--his-success); margin-top: 2px; }

/* ============ INTRO BAND ============ */
.intro-band {
 background: linear-gradient(135deg, #06251c 0%, #0a5d4c 60%, #0e9a82 100%);
 color: #fff;
 padding: 90px 0;
}
.intro-band h2 { font-size: 34px; font-weight: 700; margin-bottom: 16px; }
.intro-band p { color: rgba(255,255,255,0.75); font-size: 16px; max-width: 740px; }

/* ============ PRICING ============ */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.price-card {
 background: var(--his-bg);
 border: 1px solid var(--his-border);
 border-radius: var(--his-radius-lg);
 padding: 40px 32px;
 display: flex;
 flex-direction: column;
 transition: var(--his-transition);
 position: relative;
}
.price-card.featured {
 border-color: transparent;
 background: linear-gradient(135deg, #06251c 0%, #0a5d4c 50%, #0e9a82 100%);
 color: #fff;
 transform: scale(1.04);
 box-shadow: 0 25px 50px rgba(6,51,40,0.3);
}
.price-card.featured .price { color: #fff; }
.price-card.featured .price-name { color: #fff; }
.price-card.featured .price-desc { color: rgba(255,255,255,0.7); }
.price-card.featured li { color: rgba(255,255,255,0.85); }
.price-card.featured li i { color: #4ade80; }
.price-badge {
 position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
 background: linear-gradient(135deg, var(--his-primary), var(--his-primary-dark));
 color: #fff; font-size: 12px; font-weight: 700;
 padding: 6px 18px; border-radius: 999px; white-space: nowrap;
 box-shadow: 0 4px 12px rgba(16,185,129,0.4);
}
.price-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.price-desc { font-size: 13px; color: var(--his-text-2); margin-bottom: 22px; }
.price { font-size: 46px; font-weight: 800; margin-bottom: 4px; }
.price .unit { font-size: 15px; font-weight: 500; color: var(--his-text-2); }
.price-card.featured .unit { color: rgba(255,255,255,0.6); }
.price-meta { font-size: 13px; color: var(--his-text-2); margin-bottom: 26px; }
.price-card ul { flex: 1; margin-bottom: 28px; }
.price-card ul li {
 display: flex; align-items: center; gap: 10px;
 padding: 8px 0; font-size: 14px; color: var(--his-text-2);
 border-bottom: 1px dashed var(--his-border);
}
.price-card ul li:last-child { border-bottom: none; }
.price-card ul li i { color: var(--his-success); font-size: 16px; }
.price-btn {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 padding: 12px 0; border-radius: 10px; font-size: 15px; font-weight: 600;
 transition: var(--his-transition);
}
.price-btn.outline {
 border: 2px solid var(--his-border); color: var(--his-text); background: transparent;
}
.price-btn.outline:hover { border-color: var(--his-primary); color: var(--his-primary); }
.price-btn.filled {
 background: linear-gradient(135deg, var(--his-primary), var(--his-primary-dark));
 color: #fff; box-shadow: 0 6px 18px rgba(16,185,129,0.4);
}
.price-btn.filled:hover { transform: translateY(-2px); }

/* ============ CASES ============ */
.case-card {
 display: flex;
 gap: 26px;
 background: var(--his-bg);
 border: 1px solid var(--his-border);
 border-radius: var(--his-radius-lg);
 padding: 34px;
 transition: var(--his-transition);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--his-shadow-lg); }
.case-logo {
 width: 84px; height: 84px; flex-shrink: 0;
 border-radius: 16px;
 background: linear-gradient(135deg, var(--his-primary), var(--his-primary-dark));
 color: #fff;
 display: flex; align-items: center; justify-content: center;
 font-size: 30px; font-weight: 800;
}
.case-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 4px; }
.case-body .case-meta { font-size: 13px; color: var(--his-text-2); margin-bottom: 14px; }
.case-body p { font-size: 14px; color: var(--his-text-2); line-height: 1.8; }
.case-stats { display: flex; gap: 32px; margin-top: 18px; }
.case-stats .item { text-align: center; }
.case-stats .item .n { font-size: 22px; font-weight: 800; color: var(--his-primary-dark); }
.case-stats .item .t { font-size: 12px; color: var(--his-text-2); }

/* ============ ABOUT / CONTACT ============ */
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-text h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; }
.about-text p { color: var(--his-text-2); margin-bottom: 16px; line-height: 1.9; }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 26px; }
.about-stat {
 background: var(--his-bg-soft);
 border-radius: var(--his-radius);
 padding: 20px;
 text-align: center;
}
.about-stat .n { font-size: 26px; font-weight: 800; color: var(--his-primary-dark); display: block; }
.about-stat .t { font-size: 13px; color: var(--his-text-2); }
.about-visual {
 border-radius: var(--his-radius-lg);
 padding: 48px 36px;
 background: linear-gradient(135deg, #06251c 0%, #0a5d4c 50%, #0e9a82 100%);
 color: #fff;
 display: flex; flex-direction: column; gap: 18px;
}
.about-visual .item { display: flex; align-items: center; gap: 14px; }
.about-visual .item i {
 width: 44px; height: 44px; flex-shrink: 0;
 border-radius: 10px;
 background: rgba(255,255,255,0.12);
 display: flex; align-items: center; justify-content: center;
 font-size: 20px; color: var(--his-accent);
}
.about-visual .item strong { display: block; font-size: 15px; }
.about-visual .item span { font-size: 13px; color: rgba(255,255,255,0.6); }

/* Contact form */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
 width: 100%;
 padding: 11px 14px;
 border: 1px solid var(--his-border);
 border-radius: 9px;
 font-size: 14px;
 font-family: inherit;
 transition: var(--his-transition);
 color: var(--his-text);
 background: var(--his-bg);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
 outline: none;
 border-color: var(--his-primary);
 box-shadow: 0 0 0 3px rgba(16,185,129,0.12);
}
.contact-info-card {
 background: linear-gradient(135deg, #06251c 0%, #0a5d4c 50%, #0e9a82 100%);
 color: #fff;
 border-radius: var(--his-radius-lg);
 padding: 40px 32px;
}
.contact-info-card h3 { font-size: 22px; margin-bottom: 10px; }
.contact-info-card > p { color: rgba(255,255,255,0.7); font-size: 14px; margin-bottom: 26px; }
.contact-info-card .item { display: flex; align-items: center; gap: 14px; padding: 12px 0; }
.contact-info-card .item i {
 width: 42px; height: 42px; flex-shrink: 0;
 border-radius: 10px;
 background: rgba(255,255,255,0.12);
 display: flex; align-items: center; justify-content: center;
 font-size: 18px; color: var(--his-accent);
}
.contact-info-card .item strong { display: block; font-size: 14px; }
.contact-info-card .item span { font-size: 14px; color: rgba(255,255,255,0.65); }

/* ============ CTA BAND ============ */
.cta-band {
 background: linear-gradient(135deg, var(--his-primary), var(--his-primary-dark));
 padding: 80px 0;
 text-align: center;
}
.cta-band h2 { color: #fff; font-size: 34px; font-weight: 700; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.85); font-size: 16px; margin-bottom: 32px; }
.cta-btn {
 display: inline-flex; align-items: center; gap: 8px;
 background: #fff; color: var(--his-primary-dark);
 padding: 14px 40px; border-radius: 10px;
 font-weight: 700; font-size: 16px;
 transition: var(--his-transition);
 box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.25); color: var(--his-primary-dark); }

/* ============ FOOTER ============ */
.site-footer {
 background: #06251c;
 color: rgba(255,255,255,0.6);
 padding: 56px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-brand i { color: var(--his-accent); }
.footer-about p { font-size: 13px; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 13px; padding: 6px 0; transition: var(--his-transition); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
 border-top: 1px solid rgba(255,255,255,0.08);
 padding: 20px 0;
 text-align: center;
 font-size: 13px;
}

/* Toast */
.toast {
 display: none;
 position: fixed;
 top: 24px;
 left: 50%;
 transform: translateX(-50%);
 background: #06251c;
 color: #fff;
 padding: 12px 24px;
 border-radius: 10px;
 font-size: 14px;
 box-shadow: 0 10px 30px rgba(0,0,0,0.3);
 z-index: 2000;
}
.toast.show { display: block; animation: toastIn 0.3s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(-10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ============ MOBILE ============ */
@media (max-width: 960px) {
 .nav-links {
  position: fixed; top: 64px; left: 0; right: 0;
  background: #06251c;
  flex-direction: column;
  align-items: stretch;
  padding: 16px;
  gap: 4px;
  transform: translateY(-130%);
  transition: var(--his-transition);
  border-bottom: 1px solid rgba(255,255,255,0.08);
 }
 .nav-links.open { transform: translateY(0); }
 .nav-links a { padding: 12px 16px; }
 .nav-cta { margin: 10px 0 0 0; text-align: center; }
 .nav-toggle { display: block; }
 .hero h1 { font-size: 34px; }
 .hero-stats { gap: 28px; }
 .grid-3, .pricing-grid { grid-template-columns: 1fr; }
 .grid-2, .about-wrap, .contact-grid { grid-template-columns: 1fr; }
 .case-card { flex-direction: column; }
 .footer-grid { grid-template-columns: 1fr 1fr; }
 .price-card.featured { transform: none; }
}
@media (max-width: 576px) {
 .hero h1 { font-size: 28px; }
 .hero-stats { flex-wrap: wrap; gap: 20px; }
 .section-head h2 { font-size: 28px; }
 .footer-grid { grid-template-columns: 1fr; }
 .case-stats { gap: 20px; flex-wrap: wrap; }
}