/* 合肥同研口腔 · AI官网 MVP 样式（基于品牌 teal 色系） */
:root{
  --teal:#17807a;
  --teal-deep:#0f5d58;
  --teal-dark:#0b4441;
  --mint:#e7f3f1;
  --mint-2:#f2f8f7;
  --gold:#d9a45b;
  --ink:#243433;
  --ink-soft:#5b6b6a;
  --paper:#fbfaf7;
  --line:#e2e9e8;
  --white:#ffffff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1180px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;flex-shrink:0}
.brand-name{font-weight:700;font-size:20px;color:var(--teal-deep);letter-spacing:.5px}
.brand-sub{font-size:10px;letter-spacing:2px;color:var(--ink-soft);text-transform:uppercase;display:block;margin-top:1px}
.main-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.main-nav a{padding:8px 13px;font-size:15px;color:var(--ink-soft);border-radius:8px;transition:.2s}
.main-nav a:hover,.main-nav a.active{color:var(--teal-deep);background:var(--mint)}

/* ===== Hero ===== */
.hero{padding:110px 0 80px;background:linear-gradient(160deg,#f2f8f7 0%,#e7f3f1 60%,#dceeea 100%);position:relative;overflow:hidden}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--teal);font-weight:500;margin-bottom:18px}
.hero h1{font-size:52px;line-height:1.2;font-weight:800;color:var(--teal-dark);margin-bottom:20px}
.hero h1 .accent{color:var(--teal)}
.hero p.lead{font-size:18px;color:var(--ink-soft);max-width:520px;margin-bottom:32px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.badge{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--ink-soft);display:flex;align-items:center;gap:6px}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:16px;font-weight:500;border:0;cursor:pointer}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 8px 24px rgba(23,128,122,.25)}
.btn-primary:hover{background:var(--teal-deep)}
.btn-ghost{background:#fff;color:var(--teal-deep);border:1px solid var(--teal)}
.btn-ghost:hover{background:var(--mint)}
.hero-photo{border-radius:20px;overflow:hidden;box-shadow:0 30px 60px rgba(15,93,88,.18);transform:rotate(1.5deg)}
.hero-photo img{width:100%;height:440px;object-fit:cover}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.stat .num{font-size:34px;font-weight:700;color:var(--teal-deep)}
.stat .lbl{font-size:13px;color:var(--ink-soft)}

/* ===== section 通用 ===== */
section{padding:80px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head .eyebrow{margin-bottom:10px}
.section-head h2{font-size:36px;font-weight:700;color:var(--teal-dark);margin-bottom:16px}
.section-head p{color:var(--ink-soft);font-size:16px}
.center-link{text-align:center;margin-top:30px;font-size:15px;font-weight:500;color:var(--teal)}

/* 页面内部 hero */
.page-hero{padding:70px 0 30px;background:linear-gradient(160deg,#f2f8f7 0%,#e7f3f1 60%,#dceeea 100%)}
.page-hero h1{font-size:40px;color:var(--teal-dark);font-weight:800;margin-bottom:14px}
.page-hero .lead{font-size:17px;color:var(--ink-soft);max-width:680px}

/* 关于 */
.about-preview,.about-full{background:#fff}

/* 宣传视频区 */
.video-show{padding:72px 0;background:var(--paper)}
.video-box{max-width:860px;margin:0 auto;border-radius:18px;overflow:hidden;box-shadow:0 20px 50px rgba(15,93,88,.12);background:#0b4441}
.video-box video{display:block;width:100%;max-height:520px;aspect-ratio:16/9;object-fit:contain;background:#0b4441}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-photo{border-radius:18px;overflow:hidden;box-shadow:0 20px 50px rgba(15,93,88,.12)}
.about-photo img{width:100%;height:460px;object-fit:cover}

/* 品牌故事多张图片网格 */
.about-gallery{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
  align-self:center;
}
.about-gallery img{
  width:100%;
  height:220px;
  object-fit:cover;
  border-radius:18px;
  box-shadow:0 10px 30px rgba(15,93,88,.12);
}
.about-text h3{font-size:26px;color:var(--teal-deep);margin-bottom:18px}
.about-text p{color:var(--ink-soft);margin-bottom:16px}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.value-card{background:var(--mint-2);border:1px solid var(--line);border-radius:14px;padding:20px}
.value-card h4{color:var(--teal-deep);font-size:16px;margin-bottom:6px}
.value-card p{font-size:14px;color:var(--ink-soft);margin:0}

/* 诊疗 */
.treat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.treat-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;transition:.25s}
.treat-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,93,88,.1);border-color:var(--teal)}
.treat-card h3{font-size:20px;color:var(--teal-dark);margin-bottom:10px}
.treat-card p{font-size:14px;color:var(--ink-soft);margin-bottom:10px}
.treat-card ul{margin-top:8px}
.treat-card ul li{font-size:13px;color:var(--ink-soft);padding-left:16px;position:relative;margin-bottom:5px}
.treat-card ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.note-box{background:var(--mint-2);border:1px solid var(--line);border-radius:18px;padding:32px;margin-top:40px;text-align:center}
.note-box h3{color:var(--teal-deep);font-size:22px;margin-bottom:10px}
.note-box p{color:var(--ink-soft);font-size:15px;margin-bottom:18px}

/* 团队 */
.team-preview{background:var(--mint-2)}
.team-full{background:var(--mint-2)}
.team-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:22px}
.doc-card{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 10px 30px rgba(15,93,88,.08);transition:.25s;width:calc(25% - 17px);min-width:220px;max-width:280px}

/* 案例 */
.cases-full{background:var(--paper)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{background:#fff;border-radius:18px;padding:24px;box-shadow:0 10px 30px rgba(15,93,88,.08);border:1px solid var(--line)}
.case-card h3{font-size:20px;color:var(--teal-dark);margin-bottom:10px}
.case-card p{font-size:14px;color:var(--ink-soft)}
.doc-card:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(15,93,88,.16)}
.doc-card img{width:100%;object-fit:cover}
.doc-caption{padding:14px 18px;display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line)}
.doc-caption .n{font-weight:700;color:var(--teal-deep);font-size:18px}
.doc-caption .t{font-size:13px;color:var(--ink-soft)}
.doc-bio{padding:0 18px 16px;font-size:13px;color:var(--ink-soft)}
.team-note{text-align:center;margin-top:30px;font-size:14px;color:var(--ink-soft)}

/* 资讯 */
.art-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.art-item{border:1px solid var(--line);border-radius:16px;padding:26px;transition:.25s;background:#fff;display:block}
.art-item:hover{border-color:var(--teal);box-shadow:0 12px 30px rgba(15,93,88,.08)}
.art-tag{display:inline-block;font-size:12px;color:var(--teal);background:var(--mint);padding:3px 12px;border-radius:999px;margin-bottom:12px}
.art-item h3{font-size:19px;color:var(--teal-dark);margin-bottom:10px}
.art-item p{font-size:14px;color:var(--ink-soft);margin-bottom:12px}
.art-more{font-size:14px;color:var(--teal);font-weight:500}
.art-date{font-size:12px;color:var(--ink-soft);display:block;margin-top:8px}

/* 文章全文 */
.article{background:#fff;padding:50px 0 70px}
.breadcrumb{font-size:13px;color:var(--ink-soft);margin-bottom:24px}
.breadcrumb a{color:var(--teal)}
.article-head{margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:24px}
.article-head h1{font-size:32px;color:var(--teal-dark);line-height:1.35;margin-top:10px}
.article-body{max-width:760px}
.article-body p{font-size:16px;color:var(--ink);margin-bottom:18px;text-align:justify}
.article-foot{margin-top:36px;padding-top:20px;border-top:1px dashed var(--line);font-size:14px;color:var(--ink-soft)}
.article-foot p{margin-bottom:10px}
.article-foot a{color:var(--teal);font-weight:500}

/* 荣誉 */
.honor{background:var(--teal-dark);color:#eaf3f2}
.honor .section-head h2{color:#fff}
.honor .section-head p{color:#b9d2cf}
.honor .eyebrow{color:var(--gold)}
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:30px}
.honor-grid img{width:100%;height:230px;object-fit:cover;border-radius:14px;border:1px solid rgba(255,255,255,.12)}
.honor-full{background:#fff;color:var(--ink)}
.honor-full .section-head h2{color:var(--ink)}
.honor-full .section-head p{color:var(--ink-soft)}
.honor-full .honor-grid img{border-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.06)}
.partner-logos{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:14px}
.partner-logos span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:9px 20px;border-radius:999px;font-size:14px;color:#dceeea}

/* 门店 */
.stores{padding:50px 0 70px}
.stores-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.store-card{background:#fff;border-radius:18px;padding:30px;box-shadow:0 10px 30px rgba(15,93,88,.08);border:1px solid var(--line)}
.store-badge{display:inline-block;background:var(--mint);color:var(--teal-deep);font-size:14px;font-weight:600;padding:4px 14px;border-radius:999px;margin-bottom:18px}
.contact-line{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start}
.contact-line .ic{width:40px;height:40px;border-radius:12px;background:var(--mint);color:var(--teal);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px}
.contact-line .lbl{font-size:13px;color:var(--ink-soft);margin-bottom:2px}
.contact-line .val{font-size:16px;font-weight:500;color:var(--teal-dark)}
.contact-line .val a{color:var(--teal-deep)}
.map-actions{margin-top:14px}
.map-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:999px;font-size:14px;font-weight:500;border:1px solid var(--teal);color:var(--teal-deep);background:#fff}
.map-btn.primary{background:var(--teal);color:#fff;border-color:var(--teal)}

/* 联系 */
.contact-full{background:var(--mint-2);padding:50px 0 80px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.h2-sm{font-size:24px;color:var(--teal-dark);margin-bottom:18px}
.contact-card{background:#fff;border-radius:18px;padding:30px;box-shadow:0 10px 30px rgba(15,93,88,.08);border:1px solid var(--line)}
.lead-form{background:#fff;border-radius:18px;padding:30px;box-shadow:0 10px 30px rgba(15,93,88,.08);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px}
.lead-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--ink-soft)}
.lead-form input,.lead-form select,.lead-form textarea{padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;color:var(--ink);background:var(--paper)}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:2px solid var(--teal);border-color:var(--teal)}
.form-note{font-size:12px;color:var(--ink-soft)}

/* FAQ */
.faq{background:#fff}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;background:var(--paper)}
.faq-item summary{cursor:pointer;padding:16px 20px;font-size:16px;font-weight:600;color:var(--teal-deep);list-style:none}
.faq-item summary::before{content:"Q ";color:var(--gold);font-weight:700}
.faq-item[open] summary{border-bottom:1px solid var(--line)}
.faq-item p{padding:14px 20px;font-size:15px;color:var(--ink-soft)}

/* 页脚 */
.site-footer{background:var(--teal-dark);color:#b9d2cf;padding:50px 0 30px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer ul li{margin-bottom:8px}
.site-footer a{color:#dceeea}
.site-footer a:hover{color:#fff}
.f-brand{font-size:19px;color:#fff;font-weight:700;margin-bottom:12px}
.f-disclaimer{margin-top:14px;font-size:12px;opacity:.7}
.f-bottom{display:flex;justify-content:space-between;gap:12px;margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;flex-wrap:wrap}
.icp-placeholder{opacity:.7}

/* 响应式 */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:28px}
  .hero h1{font-size:36px}
  .hero-photo img{height:280px}
  .about-grid,.contact-grid,.stores-grid{grid-template-columns:1fr}
  .treat-grid{grid-template-columns:1fr}
  .team-grid{flex-wrap:wrap}
  .doc-card{width:calc(50% - 11px)}
  .art-list{grid-template-columns:1fr}
  .honor-grid{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .hero-stats{gap:24px;flex-wrap:wrap}
  section{padding:56px 0}
  .section-head h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{display:none}
}