/* ========================================
   泓慈中医官网 - 中式高端风格
   Primary:  #200000 (深红棕)
   Accent:   #C0A060 (金色)
   Text:     #E0E0C0 (米金)
   Text2:    #E0C0C0 (玫瑰金)
   Muted:    #C0A0A0 (暖褐)
   Border:   #C0C0A0 (暖棕)
   BG-warm:  #2A1500 (暖棕区块)
   ======================================== */

:root {
  --primary: #200000;
  --primary-light: #402000;
  --accent: #C0A060;
  --accent-hover: #D4AF37;
  --text: #E0E0C0;
  --text-secondary: #E0C0C0;
  --text-muted: #C0A0A0;
  --border: #C0C0A0;
  --bg-warm: #2A1500;
  --bg-card: #3A1800;
}

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Serif SC','STSong','SimSun',serif;color:var(--text-muted);background:var(--primary);line-height:1.8;overflow-x:hidden}

/* --- Typography --- */
h1{font-size:clamp(28px,4vw,44px);font-weight:700;letter-spacing:4px;color:var(--text);font-family:'Noto Serif SC','STSong',serif}
h2{font-size:clamp(22px,3vw,32px);font-weight:600;color:var(--text);font-family:'Noto Serif SC','STSong',serif;letter-spacing:2px}
h3{font-size:clamp(18px,2vw,22px);font-weight:600;color:var(--text);font-family:'Noto Serif SC','STSong',serif}
p{font-size:16px;color:var(--text-muted)}
a{color:var(--text-secondary);text-decoration:none;transition:color .3s}
a:hover{color:var(--accent)}

/* --- Container --- */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-sm{padding:40px 0}

/* --- Navigation --- */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(32,0,0,0.95);backdrop-filter:blur(10px);box-shadow:0 1px 10px rgba(0,0,0,0.3);transition:all .3s;border-bottom:1px solid rgba(192,160,96,0.2)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo{font-size:20px;font-weight:700;color:var(--text);letter-spacing:3px;display:flex;align-items:center;gap:10px;font-family:'Noto Serif SC','STSong',serif}
.nav-logo img{height:44px;width:auto;border-radius:50%}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{font-size:15px;font-weight:500;color:var(--text-muted);position:relative;padding:4px 0}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent);transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-cta{background:var(--accent);color:var(--primary)!important;padding:8px 20px!important;border-radius:4px;font-size:14px!important;transition:all .3s;font-weight:600}
.nav-cta:hover{background:var(--accent-hover);color:var(--primary)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);transition:all .3s}

/* --- Hero --- */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:72px;background:linear-gradient(135deg,var(--primary) 0%,#1a0500 50%,#0d0200 100%)}
.hero-bg{position:absolute;inset:0;background:url('../img/hero-cover.png') center/cover no-repeat;opacity:0.35;pointer-events:none}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(32,0,0,0.7) 0%,rgba(26,5,0,0.5) 50%,rgba(13,2,0,0.7) 100%)}
.hero-content{position:relative;z-index:1}
.hero h1{color:var(--text);margin-bottom:16px;line-height:1.3;text-shadow:0 2px 20px rgba(0,0,0,0.5)}
.hero h1 span{color:var(--accent)}
.hero .subtitle{font-size:20px;color:var(--text-secondary);max-width:560px;margin-bottom:36px;line-height:1.6}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{padding:14px 36px;border-radius:4px;font-size:16px;font-weight:600;letter-spacing:1px;cursor:pointer;display:inline-block;text-align:center;transition:all .3s;border:none;text-decoration:none;font-family:'Noto Serif SC','STSong',serif}
.btn-primary{background:var(--accent);color:var(--primary)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 25px rgba(192,160,96,0.3)}
.btn-outline{border:2px solid var(--accent);color:var(--accent);background:transparent}
.btn-outline:hover{background:var(--accent);color:var(--primary);transform:translateY(-2px)}
.btn-white{background:rgba(224,224,192,0.15);color:var(--text);border:1px solid var(--border);backdrop-filter:blur(5px)}
.btn-white:hover{background:rgba(224,224,192,0.25);transform:translateY(-2px)}

/* --- Section Headers --- */
.section-header{text-align:center;margin-bottom:56px}
.section-header h2{color:var(--text);margin-bottom:12px}
.section-header h2::after{content:'';display:block;width:60px;height:2px;background:var(--accent);margin:16px auto 0}
.section-header p{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:17px}

/* --- Cards & Grids --- */
.card{background:var(--bg-card);border-radius:8px;padding:32px;box-shadow:0 2px 16px rgba(0,0,0,0.3);transition:transform .3s,box-shadow .3s;border:1px solid rgba(192,160,96,0.15)}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,0.5);border-color:rgba(192,160,96,0.3)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* --- Stats Bar --- */
.stats-bar{background:linear-gradient(90deg,var(--primary) 0%,#1a0a00 50%,var(--primary) 100%);color:var(--text);padding:40px 0;border-top:1px solid rgba(192,160,96,0.2);border-bottom:1px solid rgba(192,160,96,0.2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center;gap:24px}
.stat-item .num{font-size:clamp(28px,4vw,44px);font-weight:700;color:var(--accent);font-family:'Noto Serif SC','STSong',serif}
.stat-item .label{font-size:14px;color:var(--text-secondary);margin-top:4px}

/* --- Icon Block --- */
.icon-block{text-align:center}
.icon-block .icon{font-size:40px;margin-bottom:16px;display:block}
.icon-block h3{margin-bottom:8px;color:var(--text)}

/* --- Timeline --- */
.timeline{position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:12px;top:0;bottom:0;width:2px;background:rgba(192,160,96,0.3)}
.timeline-item{position:relative;margin-bottom:32px;color:var(--text-muted)}
.timeline-item::before{content:'';position:absolute;left:-34px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent);border:3px solid var(--primary);box-shadow:0 0 0 2px var(--accent)}
.timeline-item strong{color:var(--text)}

/* --- Form --- */
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;margin-bottom:6px;color:var(--text);font-size:14px;font-family:'Noto Serif SC','STSong',serif}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 16px;border:1px solid rgba(192,160,96,0.3);border-radius:4px;font-size:15px;font-family:inherit;transition:border-color .3s;background:var(--bg-card);color:var(--text)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--accent);outline:none;background:var(--bg-warm)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted);opacity:0.6}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* --- Contact Card --- */
.contact-card{background:var(--bg-card);border-radius:8px;padding:24px;box-shadow:0 2px 16px rgba(0,0,0,0.3);display:flex;align-items:flex-start;gap:16px;border:1px solid rgba(192,160,96,0.15)}
.contact-card .icon{font-size:24px;flex-shrink:0}
.contact-card h4{color:var(--text)}
.contact-card p{color:var(--text-muted)}

/* --- Footer --- */
.footer{background:#0a0200;color:var(--text-muted);padding:60px 0 30px;border-top:1px solid rgba(192,160,96,0.2)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer h4{color:var(--text);margin-bottom:16px;font-size:16px;font-family:'Noto Serif SC','STSong',serif}
.footer p,.footer li{font-size:14px;line-height:2;list-style:none}
.footer a{color:var(--text-muted);transition:color .3s}
.footer a:hover{color:var(--accent)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(192,160,96,0.15);text-align:center;font-size:13px;color:var(--text-muted)}

/* --- Utility --- */
.text-center{text-align:center}
.text-accent{color:var(--accent)}
.text-primary{color:var(--text)}
.mt-20{margin-top:20px}
.mt-40{margin-top:40px}
.mb-20{margin-bottom:20px}
.bg-warm{background:var(--bg-warm)}
.bg-card{background:var(--bg-card)}
.tag{display:inline-block;background:rgba(192,160,96,0.2);color:var(--accent);padding:4px 12px;border-radius:4px;font-size:13px;font-weight:600;border:1px solid rgba(192,160,96,0.3)}

/* --- Decorative Elements --- */
.divider-ornament{display:flex;align-items:center;justify-content:center;gap:16px;margin:20px 0}
.divider-ornament::before,.divider-ornament::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent)}
.divider-ornament span{color:var(--accent);font-size:18px}

/* --- Responsive --- */
@media (max-width: 900px) {
  .nav-links{display:none;position:absolute;top:72px;left:0;right:0;background:var(--primary);flex-direction:column;padding:24px;gap:16px;box-shadow:0 10px 20px rgba(0,0,0,0.5);border-bottom:1px solid rgba(192,160,96,0.2)}
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
}
@media (max-width: 480px) {
  .stats-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
}