:root {
    --primary: #7f37a4; --primary-dark: #51277f;
    --gold: #a78a64; --gold-light: #fdf6ee;
    --bg: #ffffff; --bg-alt: #f8f9fa; --bg-dark: #2a2d32;
    --text: #333333; --text-light: #7a7979;
    --border: #e8e0d8; --radius: 8px; --transition: all 0.3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:100px; }
body { font-family:"微软雅黑","PingFang SC","Microsoft YaHei",sans-serif; color:#333; background:#fff; line-height:1.8; font-size:14px; }
a { text-decoration:none; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* Nav */
nav { position:sticky; top:0; z-index:100; background:#fff; border-bottom:1px solid #e8e0d8; box-shadow:0 2px 10px rgba(0,0,0,0.06); }
.nav-inner { max-width:1200px; margin:0 auto; padding:0 24px; display:flex; justify-content:space-between; align-items:center; height:72px; }
.logo { display:flex; align-items:center; gap:10px; }
.logo img { height:44px; width:auto; display:block; }
.nav-links { display:flex; gap:22px; list-style:none; margin:0; padding:0; }
.nav-links a { color:#7a7979; font-size:14px; font-weight:500; padding-bottom:4px; border-bottom:3px solid transparent; transition:all 0.3s; }
.nav-links a:hover, .nav-links a.act { color:#000; border-bottom-color:#7f37a4; }
.nav-cta { background:#7f37a4; color:#fff; padding:10px 20px; border-radius:6px; font-weight:600; font-size:13px; transition:all 0.3s; }
.nav-cta:hover { background:#51277f; }

/* Breadcrumb */
.bc { background:#f8f9fa; padding:14px 0; font-size:13px; color:#7a7979; }
.bc a { color:#7f37a4; }

/* Subnav */
.snav { background:#fff; border-bottom:1px solid #e8e0d8; }
.snav .container { display:flex; gap:4px; padding:0 24px; flex-wrap:wrap; }
.snav a { display:inline-block; padding:12px 22px; font-size:14px; font-weight:500; color:#7a7979; transition:all 0.3s; border-bottom:3px solid transparent; }
.snav a:hover { color:#7f37a4; border-bottom-color:#7f37a4; }
.snav a.on { color:#7f37a4; font-weight:700; border-bottom-color:#7f37a4; }

/* Sections */
.sec { padding:70px 0; }
.sec2:nth-child(even) { background:#f8f9fa; }
.sh { text-align:center; margin-bottom:48px; }
.sl { display:inline-block; color:#7f37a4; font-weight:600; font-size:13px; letter-spacing:2px; margin-bottom:8px; }
.st { font-size:1.9em; font-weight:700; color:#000; margin-bottom:12px; }
.ss { font-size:1em; color:#7a7979; max-width:680px; margin:0 auto; }

/* Hero */
.hero { background:linear-gradient(160deg,#51277f,#7f37a4 50%,#51277f 100%); color:#fff; padding:80px 0; position:relative; overflow:hidden; }
.hero-inner { display:grid; grid-template-columns:minmax(0,1fr) 460px; gap:48px; align-items:center; }
.hero-content { position:relative; z-index:2; }
.hero-visual { position:relative; z-index:1; justify-self:end; margin-right:-200px; }
.hero-visual img { width:auto; height:auto; max-width:100%; max-height:600px; object-fit:contain; filter:drop-shadow(0 20px 40px rgba(0,0,0,0.22)); display:block; margin-left:auto; }
@media(max-width:900px) {
    .hero { padding:60px 0; }
    .hero-inner { grid-template-columns:1fr; gap:32px; }
    .hero-visual { max-width:420px; margin:0 auto; order:2; }
}

/* Doctor detail */
.dh { display:grid; grid-template-columns:380px 1fr; gap:48px; align-items:start; }
.dh-img { width:100%; border-radius:8px; height:420px; display:flex; align-items:center; justify-content:center; font-size:5em; color:#fff; background:linear-gradient(135deg, #7f37a4, #51277f); }
.dh-info h1 { font-size:2em; color:#000; margin-bottom:4px; }
.dh-role { color:#a78a64; font-size:1.1em; font-weight:600; margin-bottom:16px; padding-bottom:12px; border-bottom:1px solid #e8e0d8; }
.dh-stats { display:flex; gap:20px; margin:20px 0; }
.dhs { background:#fdf6ee; border-radius:8px; padding:16px 24px; text-align:center; }
.dhs-n { font-size:2em; font-weight:800; color:#7f37a4; }
.dhs-l { font-size:12px; color:#7a7979; }
.ds { margin-top:36px; }
.ds h2 { font-size:1.25em; color:#000; padding-bottom:10px; border-bottom:2px solid #7f37a4; margin-bottom:18px; }
.ds ul { padding-left:20px; }
.ds li { padding:5px 0; color:#7a7979; font-size:14px; }
.dq { background:#fdf6ee; border-left:5px solid #a78a64; padding:22px 26px; border-radius:0 8px 8px 0; margin:28px 0; }
.dq-t { font-style:italic; color:#333; line-height:1.9; margin-bottom:10px; font-size:1.02em; }
.dq-s { font-size:13px; color:#7a7979; font-weight:600; }

/* Dept detail */
.de { text-align:center; max-width:800px; margin:0 auto 48px; }
.de-icon { font-size:64px; display:block; margin-bottom:16px; }
.de-tag { display:inline-block; background:#7f37a4; color:#fff; padding:4px 16px; border-radius:16px; font-size:13px; font-weight:600; margin-bottom:12px; }
.df { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:18px; margin:28px 0; }
.df-item { background:#fff; border:1px solid #e8e0d8; border-radius:8px; padding:20px; border-left:4px solid #7f37a4; }
.df-item h3 { font-size:1.02em; color:#7f37a4; margin-bottom:7px; }
.df-item p { font-size:13px; color:#7a7979; line-height:1.7; }
.dd { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:18px; margin:28px 0; }
.ddc { background:#fff; border:1px solid #e8e0d8; border-radius:8px; padding:22px; }
.ddc h3 { font-size:1.08em; color:#000; margin-bottom:5px; }
.ddc .role { font-size:13px; color:#a78a64; font-weight:600; margin-bottom:9px; }
.ddc p { font-size:13px; color:#7a7979; line-height:1.8; }

/* Product detail */
.ph { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.ph-vis { background:linear-gradient(135deg, #7f37a4, #51277f); border-radius:8px; height:360px; display:flex; align-items:center; justify-content:center; color:#fff; font-size:4em; }
.ph h1 { font-size:2.2em; color:#000; margin-bottom:12px; }
.ph-price { color:#a78a64; font-weight:700; font-size:1.1em; margin-bottom:16px; }
.ph-desc { font-size:14px; color:#7a7979; line-height:2; }
.pi { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin:28px 0; }
.pii { background:#fdf6ee; border-radius:8px; padding:18px; text-align:center; }
.pii h3 { font-size:0.95em; color:#000; margin-top:6px; }
.pr { background:#fff; border:1px solid #e8e0d8; border-radius:8px; padding:28px; margin:28px 0; }
.pr-steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:16px; }
.prs { text-align:center; }
.prs-n { width:44px; height:44px; background:#7f37a4; color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.1em; font-weight:700; margin:0 auto 10px; }
.prs h3 { font-size:13px; color:#000; }
.prs p { font-size:12px; color:#7a7979; }

/* Product grid (hub + index) */
.pg { display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:22px; }
.pc { background:#fff; border:1px solid #e8e0d8; border-radius:8px; overflow:hidden; transition:all 0.3s; }
.pc:hover { box-shadow:0 8px 30px rgba(42,169,176,0.12); transform:translateY(-2px); }
.pc-vis { height:190px; display:flex; align-items:center; justify-content:center; color:#fff; background:#f8f9fa; }
.pc-img { width:100%; height:100%; object-fit:contain; padding:16px; }
.pc-emoji { font-size:3.5em; }
.ph-vis { border-radius:8px; display:flex; align-items:center; justify-content:center; color:#fff; }
.pc-body { padding:22px; }
.pc-body h3 { font-size:1.1em; color:#000; margin-bottom:7px; }
.pc-body p { font-size:13px; color:#7a7979; line-height:1.8; margin-bottom:10px; }
.pc-price { color:#a78a64; font-weight:700; font-size:13px; margin-bottom:10px; }
.pc-link { color:#7f37a4; font-weight:600; font-size:14px; }

/* Doctor grid */
.dg { display:grid; grid-template-columns:repeat(auto-fit,minmax(290px,1fr)); gap:20px; }
.dc { background:#fff; border:1px solid #e8e0d8; border-radius:8px; padding:24px; position:relative; transition:all 0.3s; }
.dc::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg, #7f37a4, #a78a64); border-radius:8px 8px 0 0; }
.dc h3 { font-size:1.1em; color:#000; margin-bottom:4px; }
.dc .role { font-size:13px; color:#a78a64; font-weight:600; margin-bottom:9px; }
.dc p { font-size:13px; color:#7a7979; line-height:1.8; }
.dc .rm { display:inline-block; margin-top:11px; color:#7f37a4; font-weight:600; font-size:13px; }

/* Dept grid */
.xg { display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:22px; }
.xc { background:#fff; border:1px solid #e8e0d8; border-radius:8px; overflow:hidden; transition:all 0.3s; }
.xc:hover { box-shadow:0 8px 30px rgba(42,169,176,0.12); }
.xc-h { padding:22px; border-bottom:1px solid #e8e0d8; }
.xc-h .xt { display:inline-block; background:#7f37a4; color:#fff; padding:3px 11px; border-radius:12px; font-size:11px; font-weight:600; margin-bottom:7px; }
.xc-h h3 { font-size:1.15em; color:#000; }
.xc-b { padding:18px 22px 22px; }
.xc-b li { padding:5px 0; font-size:13px; color:#7a7979; list-style:none; }
.xc-b li::before { content:'▸ '; color:#7f37a4; font-weight:700; }
.xc-link { color:#7f37a4; font-weight:600; font-size:13px; }

/* FAQ */
.faq-s { max-width:820px; margin:0 auto; }
.faq-i { background:#fff; border:1px solid #e8e0d8; border-radius:8px; margin-bottom:10px; padding:0; overflow:hidden; }
.faq-i summary { padding:15px 22px; font-weight:600; font-size:15px; cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center; color:#000; }
.faq-i summary::after { content:'+'; font-size:22px; color:#7f37a4; font-weight:700; }
.faq-i[open] summary::after { content:'−'; }
.faq-a { padding:0 22px 17px; font-size:14px; color:#7a7979; line-height:1.9; }

/* CTA */
.cta { background:#7f37a4; color:#fff; text-align:center; padding:56px 0; }
.cta h2 { font-size:1.6em; margin-bottom:12px; }
.cta p { opacity:0.85; margin-bottom:24px; max-width:540px; margin-left:auto; margin-right:auto; }
.btn { display:inline-block; padding:14px 32px; border-radius:6px; font-weight:600; font-size:15px; transition:all 0.3s; cursor:pointer; border:none; }
.btn-p { background:#a78a64; color:#fff; }
.btn-p:hover { background:#8e7552; }

/* Footer */
footer { background:#1a3c3e; color:rgba(255,255,255,0.6); padding:44px 0 18px; font-size:13px; }
.fg { display:grid; grid-template-columns:2fr 1fr 1fr 1.5fr; gap:32px; margin-bottom:24px; max-width:1200px; margin-left:auto; margin-right:auto; padding:0 24px; }
.fc h4 { color:#fff; margin-bottom:12px; font-size:14px; }
.fc p, .fc a { color:rgba(255,255,255,0.5); text-decoration:none; display:block; padding:3px 0; font-size:12px; line-height:1.8; }
.fc a:hover { color:#7f37a4; }
.fb { border-top:1px solid rgba(255,255,255,0.1); padding-top:14px; text-align:center; font-size:11px; opacity:0.4; line-height:1.8; max-width:1200px; margin-left:auto; margin-right:auto; padding-left:24px; padding-right:24px; }
.fb a { color:rgba(255,255,255,0.7); text-decoration:none; opacity:1; }
.fb a:hover { color:#7f37a4; }

/* Top bar */
.tb { background:#2a2d32; color:#fff; padding:8px 0; font-size:12px; }
.tb .container { display:flex; justify-content:space-between; align-items:center; }
.tbb { display:flex; gap:9px; }
.tbb span, .tbb a { background:#7f37a4; color:#fff; padding:2px 10px; border-radius:3px; font-size:11px; text-decoration:none; display:inline-block; }

/* Responsive */
@media(max-width:768px) {
    .nav-links { display:none; }
    .dh { grid-template-columns:1fr; }
    .ph { grid-template-columns:1fr; }
    .fg { grid-template-columns:1fr 1fr; }
}
.cta-phone { display:inline-flex; align-items:center; gap:8px; vertical-align:middle; }
.cta-phone-svg { width:18px; height:18px; flex-shrink:0; animation:ctaPhone 2s ease-in-out infinite; }
.btn-p:hover .cta-phone-svg { animation-duration:.8s; }
@keyframes ctaPhone { 0%,100%{transform:rotate(0deg)} 10%{transform:rotate(-12deg)} 20%{transform:rotate(12deg)} 30%{transform:rotate(-12deg)} 40%{transform:rotate(12deg)} 50%{transform:rotate(0deg)} }