/* 植悦植发 获客官网 —— 传统简洁专业风格 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --brand:#0f6e63;--brand-dark:#0a5249;--brand-light:#e8f4f2;
  --gold:#b8894a;--text:#2b2b2b;--muted:#6b7280;--line:#e5e7eb;
  --danger:#c0392b;--bg:#f6f8f8;
}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif;color:var(--text);background:#fff;font-size:15px;line-height:1.7}
a{color:var(--brand);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.topbar{background:var(--brand-dark);color:#dfeeea;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;height:34px;align-items:center}
.topbar a{color:#ffd9a8}
.nav{background:#fff;border-bottom:2px solid var(--brand);position:sticky;top:0;z-index:100;box-shadow:0 1px 6px rgba(0,0,0,.06)}
.nav .container{display:flex;align-items:center;height:66px;justify-content:space-between}
.logo{font-size:22px;font-weight:bold;color:var(--brand);letter-spacing:1px}
.logo small{display:block;font-size:11px;color:var(--muted);font-weight:normal;letter-spacing:3px}
.nav ul{display:flex;list-style:none;gap:4px}
.nav ul a{display:block;padding:10px 16px;color:#374151;font-size:15px;border-radius:4px}
.nav ul a:hover{color:var(--brand);background:var(--brand-light)}
.nav .call{font-size:20px;font-weight:bold;color:var(--danger);letter-spacing:1px}
.nav .call small{display:block;font-size:11px;color:var(--muted);font-weight:normal;text-align:right}

/* Hero */
.hero{background:linear-gradient(135deg,#0f6e63 0%,#0a5249 70%);color:#fff;position:relative;overflow:hidden}
.hero .container{display:grid;grid-template-columns:1.15fr .9fr;gap:36px;padding:54px 20px;align-items:center}
.hero h1{font-size:38px;line-height:1.35;margin-bottom:14px}
.hero h1 em{color:#ffd9a8;font-style:normal}
.hero p.lead{font-size:16px;color:#d7ece8;margin-bottom:18px}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.hero-tags span{border:1px solid rgba(255,255,255,.35);border-radius:20px;padding:4px 14px;font-size:13px;color:#eafaf6}
.hero-img{border-radius:10px;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,.35);border:4px solid rgba(255,255,255,.12)}

/* 留资表单 */
.lead-form{background:#fff;border-radius:10px;padding:22px 24px;color:var(--text);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.lead-form h3{font-size:19px;color:var(--brand-dark);margin-bottom:4px}
.lead-form .sub{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.form-grid .full{grid-column:1/3}
.lead-form label{display:block;font-size:12.5px;color:#4b5563;margin-bottom:3px}
.lead-form input,.lead-form select{width:100%;height:38px;padding:0 10px;border:1px solid #cfd8d7;border-radius:5px;font-size:14px;background:#fff;color:var(--text)}
.lead-form input:focus,.lead-form select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(15,110,99,.12)}
.btn-submit{width:100%;height:46px;margin-top:14px;border:0;border-radius:5px;background:linear-gradient(90deg,#d4964f,#b8894a);color:#fff;font-size:17px;font-weight:bold;cursor:pointer;letter-spacing:4px}
.btn-submit:hover{filter:brightness(1.06)}
.lead-form .privacy{font-size:11.5px;color:#9ca3af;margin-top:8px;text-align:center}
.form-msg{margin-top:10px;font-size:13px;text-align:center;min-height:20px}
.form-msg.ok{color:#15803d}
.form-msg.err{color:var(--danger)}

/* 数据信任条 */
.trust{background:var(--brand-light);border-bottom:1px solid #d8e8e5}
.trust .container{display:grid;grid-template-columns:repeat(4,1fr);padding:22px 20px;text-align:center}
.trust .num{font-size:26px;font-weight:bold;color:var(--brand)}
.trust .lab{font-size:13px;color:var(--muted)}

/* 通用板块 */
section.block{padding:54px 0}
section.block.gray{background:var(--bg)}
.sec-head{text-align:center;margin-bottom:34px}
.sec-head h2{font-size:28px;color:var(--brand-dark);display:inline-block;padding:0 22px;position:relative}
.sec-head h2::before,.sec-head h2::after{content:"";position:absolute;top:50%;width:46px;height:1px;background:var(--gold)}
.sec-head h2::before{right:100%}
.sec-head h2::after{left:100%}
.sec-head p{color:var(--muted);font-size:14px;margin-top:8px}

/* 卡片 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px;transition:box-shadow .2s}
.card:hover{box-shadow:0 6px 22px rgba(15,110,99,.1)}
.card .ico{width:46px;height:46px;border-radius:8px;background:var(--brand-light);color:var(--brand);font-size:22px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;font-weight:bold}
.card h4{font-size:17px;margin-bottom:8px;color:var(--brand-dark)}
.card p{font-size:13.5px;color:#4b5563}
.card .price{margin-top:10px;font-size:13px;color:var(--gold);font-weight:bold}

/* 脱发分级 */
.grade-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grade-box{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px}
.grade-box h4{color:var(--brand-dark);margin-bottom:12px;font-size:17px}
.grade-table{width:100%;border-collapse:collapse;font-size:13.5px}
.grade-table th,.grade-table td{border:1px solid var(--line);padding:7px 10px;text-align:left}
.grade-table th{background:var(--brand-light);color:var(--brand-dark);width:76px}

/* 计算器 */
.calc{background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.calc .ctrl label{display:block;font-size:14px;margin:14px 0 6px;color:#374151}
.calc select,.calc input[type=range]{width:100%}
.calc select{height:40px;border:1px solid #cfd8d7;border-radius:5px;padding:0 10px;font-size:14px}
.range-row{display:flex;align-items:center;gap:12px}
.range-row input{flex:1}
.range-row b{color:var(--brand);font-size:16px;min-width:96px;text-align:right}
.calc-result{background:var(--brand-light);border-radius:8px;padding:24px;text-align:center;display:flex;flex-direction:column;justify-content:center}
.calc-result .big{font-size:34px;color:var(--danger);font-weight:bold;margin:8px 0}
.calc-result .note{font-size:12.5px;color:var(--muted);margin-top:10px}

/* 对比表 */
.cmp-table{width:100%;border-collapse:collapse;background:#fff;font-size:13.5px;border:1px solid var(--line)}
.cmp-table th,.cmp-table td{border:1px solid var(--line);padding:10px 12px;text-align:center;vertical-align:middle}
.cmp-table thead th{background:var(--brand);color:#fff;font-size:14px}
.cmp-table thead th.me{background:var(--gold)}
.cmp-table td:first-child,.cmp-table th:first-child{text-align:left;background:#fafafa;font-weight:600;color:var(--brand-dark)}
.cmp-table .me-col{background:#fff8ec}

/* 医生/城市 */
.doctor{display:flex;gap:16px;align-items:flex-start}
.doctor .avatar{width:74px;height:74px;border-radius:50%;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:bold;flex-shrink:0}
.doctor h4{margin-bottom:2px}
.doctor .title{font-size:12.5px;color:var(--gold);margin-bottom:6px}
.city-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.city-grid span{background:#fff;border:1px solid var(--line);border-radius:5px;padding:9px 0;text-align:center;font-size:13.5px}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:6px;padding:0 18px;margin-bottom:10px}
.faq summary{cursor:pointer;padding:14px 0;font-weight:600;color:var(--brand-dark);font-size:15px;list-style:none}
.faq summary::before{content:"Q ";color:var(--gold);font-weight:bold}
.faq details[open] summary{border-bottom:1px dashed var(--line)}
.faq p{padding:12px 0 14px;font-size:13.5px;color:#4b5563}

/* 底部留资 */
.cta-band{background:linear-gradient(135deg,#0f6e63,#0a5249);color:#fff;border-radius:10px;padding:40px;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}
.cta-band h2{font-size:26px;margin-bottom:10px}
.cta-band p{color:#d7ece8;font-size:14px}
.cta-band .lead-form{box-shadow:none}

/* 页脚 */
footer{background:#132926;color:#9fb8b2;font-size:13px;padding:36px 0 20px;margin-top:0}
footer .container{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
footer h5{color:#e7f2ef;font-size:14px;margin-bottom:10px}
footer a{color:#9fb8b2;display:block;padding:3px 0}
footer .copy{border-top:1px solid #27423d;margin-top:24px;padding-top:16px;text-align:center;font-size:12px;color:#7d968f}

/* 浮动按钮 */
.float-btn{position:fixed;right:18px;bottom:80px;z-index:90;background:var(--gold);color:#fff;padding:12px 18px;border-radius:30px;font-size:15px;font-weight:bold;box-shadow:0 6px 18px rgba(184,137,74,.45);cursor:pointer;border:0}
.float-bar{position:fixed;left:0;right:0;bottom:0;background:rgba(10,82,73,.96);color:#fff;z-index:90;padding:8px 0;display:none}
.float-bar .container{display:flex;align-items:center;justify-content:space-between;gap:14px}
.float-bar input{height:36px;border:0;border-radius:4px;padding:0 10px;font-size:14px;width:180px}
.float-bar button{height:36px;border:0;border-radius:4px;background:var(--gold);color:#fff;font-weight:bold;padding:0 22px;cursor:pointer;white-space:nowrap;flex-shrink:0}

.disclaimer{background:#fdf6ec;border:1px solid #f0dfc0;color:#8a6d3b;font-size:12.5px;border-radius:6px;padding:12px 16px;margin-top:18px}

/* 板块横幅图（替代旧内联样式） */
.banner-img{max-width:900px;margin:-14px auto 30px;border-radius:10px;overflow:hidden;box-shadow:0 6px 24px rgba(15,110,99,.12)}
.calc-tip{font-size:12.5px;color:var(--muted);margin-top:8px}
.calc-result .r-label{font-size:14px;color:#4b5563}
.calc-result .r-detail{font-size:13px;color:var(--brand)}
.cta-meta{margin-top:10px;font-size:13px}
.footer-tip{margin-top:8px}

/* ---------- 协议勾选区（统一单行） ---------- */
.agree-box{margin-top:12px;border-top:1px dashed var(--line);padding-top:10px}
.agree-unified{display:flex;align-items:flex-start;gap:6px;font-size:12.5px;color:#4b5563;cursor:pointer;line-height:1.6}
.agree-unified input[type=checkbox]{width:15px;height:15px;margin-top:3px;flex-shrink:0;accent-color:var(--brand);cursor:pointer}
.agree-unified a{color:var(--brand)}
.agree-line{font-size:12px;color:#9ca3af;margin-top:8px;line-height:1.5}
/* 浮动条为深绿底，协议文字需浅色覆盖（白底表单内仍用上面的深灰） */
.float-bar .agree-unified{color:rgba(255,255,255,.92)}
.float-bar .agree-unified a{color:#f6d9a4}
.float-bar .agree-line{color:rgba(255,255,255,.66)}

/* ---------- 协议弹窗 ---------- */
.modal-mask{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:20px}
.modal-mask[hidden]{display:none}
.modal-card{background:#fff;border-radius:10px;width:100%;max-width:680px;max-height:88vh;display:flex;flex-direction:column;overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:17px;color:var(--brand-dark)}
.modal-close{border:0;background:none;font-size:24px;line-height:1;color:#9ca3af;cursor:pointer;padding:0 4px}
.modal-version{padding:8px 20px 0;font-size:12px;color:var(--muted)}
.modal-body{padding:14px 20px;overflow-y:auto;font-size:14px;color:#374151;white-space:pre-wrap;word-break:break-word;flex:1}
.modal-foot{padding:12px 20px 18px;border-top:1px solid var(--line)}
.modal-foot .btn-submit{margin-top:0;height:42px;letter-spacing:2px}

/* ---------- 协议独立页 ---------- */
.agr-page{background:var(--bg)}
.agr-wrap{max-width:820px;margin:0 auto;background:#fff;min-height:100vh;padding:24px 26px 60px}
.agr-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:22px}
.agr-back{font-size:14px}
.agr-brand{font-size:14px;color:var(--muted)}
.agr-title{font-size:24px;color:var(--brand-dark);margin-bottom:6px}
.agr-version{font-size:12.5px;color:var(--muted);margin-bottom:20px}
.agr-content{font-size:14.5px;color:#374151}
.agr-content p{margin-bottom:14px;line-height:1.9}
.agr-foot{margin-top:30px;text-align:center}
.agr-btn{display:inline-block;background:var(--brand);color:#fff;padding:11px 34px;border-radius:6px;font-size:15px}

/* ---------- H5 / 小屏适配（H5、小程序 WebView、App WebView） ---------- */
@media(max-width:900px){
  .hero .container,.calc,.cta-band{grid-template-columns:1fr}
  .cards,.cards.c4,.trust .container,.grade-wrap{grid-template-columns:1fr 1fr}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  footer .container{grid-template-columns:1fr}
  .nav ul{display:none}
  .float-bar{display:none}
  .float-bar.show{display:block}
  .hero h1{font-size:27px}
  .sec-head h2{font-size:23px}
}
@media(max-width:560px){
  body{font-size:14px}
  .topbar .container{height:auto;flex-direction:column;align-items:flex-start;gap:2px;padding:6px 16px;font-size:12px}
  .nav .container{height:56px}
  .logo{font-size:18px}
  .logo small{letter-spacing:1px}
  .nav .call{font-size:15px}
  .hero .container{padding:32px 16px}
  .hero h1{font-size:23px}
  .hero p.lead{font-size:14px}
  .form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:1}
  .agree-unified{font-size:12px}
  .lead-form{padding:18px 16px}
  .cards,.cards.c4{grid-template-columns:1fr}
  .trust .container{grid-template-columns:1fr 1fr;gap:14px}
  .grade-wrap{grid-template-columns:1fr}
  .cmp-table{font-size:12px}
  .city-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:24px 18px}
  section.block{padding:38px 0}
  .container{padding:0 16px}
  .float-bar{padding:8px 0}
  .float-bar .container{flex-wrap:wrap;gap:8px}
  .float-bar strong{width:100%;font-size:13px}
  .float-bar input{flex:1;width:auto;min-width:0}
  .float-bar button{padding:0 16px}
  .float-bar .agree-box{width:100%;margin-top:0;padding-top:6px;border-top:0}
  .float-bar .agree-unified,.float-bar .agree-line{font-size:11px}
  .float-btn{right:12px;bottom:64px;font-size:13px;padding:10px 14px}
  .modal-card{max-height:92vh}
  .modal-body{font-size:13.5px}
  .agr-wrap{padding:18px 16px 48px}
}