/* 陆丰粤牙口腔官网 - 全站共用样式（响应式） */
:root{
  --green:#0F6E56; --green-dark:#085041; --green-light:#E1F5EE; --green-mid:#9FE1CB;
  --coral:#D85A30; --coral-dark:#993C1D;
  --ink:#1F2A26; --ink-2:#5F6B66; --bg:#F7FAF8; --card:#FFFFFF; --line:#DCE7E2;
  --amber-bg:#FAEEDA; --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

/* ===== 顶部导航 ===== */
.top-bar{background:var(--green-dark);color:#CDEBDD;font-size:13px;padding:6px 0}
.top-bar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px}
header.site{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 4px rgba(15,110,86,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:600;color:var(--green-dark)}
.logo .tooth{width:34px;height:34px;background:var(--green);border-radius:9px 9px 12px 12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.logo small{display:block;font-size:11px;font-weight:400;color:var(--ink-2);line-height:1.2}
nav.menu{display:flex;gap:2px}
nav.menu a{padding:8px 14px;border-radius:8px;color:var(--ink);font-size:15px}
nav.menu a:hover{background:var(--green-light);color:var(--green-dark)}
nav.menu a.active{background:var(--green);color:#fff}
.btn{display:inline-block;padding:12px 28px;border-radius:10px;font-size:16px;font-weight:600;border:none;cursor:pointer;text-align:center;transition:opacity .15s}
.btn:hover{opacity:.88}
.btn-coral{background:var(--coral);color:#fff}
.btn-green{background:var(--green);color:#fff}
.btn-ghost{background:#fff;color:var(--green-dark);border:1.5px solid var(--green)}
.btn-nav{padding:9px 18px;font-size:14px}
.menu-toggle{display:none;background:none;border:none;font-size:24px;color:var(--green-dark);cursor:pointer;padding:6px}

/* ===== Hero ===== */
.hero{background:linear-gradient(135deg,var(--green-dark) 0%,var(--green) 70%);color:#fff;padding:64px 0 56px}
.hero h1{font-size:34px;line-height:1.35;font-weight:600}
.hero p{margin:16px 0 28px;font-size:17px;color:#D7EFE4;max-width:560px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero .tips{margin-top:26px;display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:#BFE5D4}
.hero .tips span{display:flex;align-items:center;gap:6px}

/* ===== 区块 ===== */
section.block{padding:56px 0}
section.block.alt{background:#fff}
.sec-head{text-align:center;max-width:640px;margin:0 auto 36px}
.sec-head h2{font-size:26px;color:var(--green-dark);font-weight:600}
.sec-head p{color:var(--ink-2);margin-top:8px;font-size:15px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{font-size:17px;color:var(--green-dark);margin-bottom:8px;font-weight:600}
.card p{font-size:14px;color:var(--ink-2)}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}

/* 消毒供应中心 */
.sterile{background:var(--green-dark);color:#fff;border-radius:20px;padding:40px 36px}
.sterile h2{font-size:26px;color:#fff}
.sterile p.lead{color:#BFE5D4;margin:10px 0 26px}
.sterile .grid{gap:16px}
.sterile .item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:20px}
.sterile .item b{display:block;font-size:16px;margin-bottom:6px;color:#9FE1CB}
.sterile .item span{font-size:13.5px;color:#D7EFE4}
.photo-slot{background:var(--amber-bg);border:1.5px dashed #C9A96A;border-radius:12px;padding:26px;text-align:center;color:#7A5B1E;font-size:14px}

/* 医生卡片 */
.doc{display:flex;gap:16px;align-items:flex-start}
.doc .avatar{flex:0 0 64px;width:64px;height:64px;border-radius:50%;background:var(--green-mid);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:600}
.doc h3{margin-bottom:2px}
.doc .tag{display:inline-block;background:var(--green-light);color:var(--green-dark);font-size:12px;padding:2px 10px;border-radius:20px;margin:4px 6px 4px 0}

/* 价格表 */
table.price{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
table.price th{background:var(--green);color:#fff;padding:12px 16px;text-align:left;font-size:15px;font-weight:600}
table.price td{padding:13px 16px;border-top:1px solid var(--line);font-size:15px}
table.price td.pri{color:var(--coral);font-weight:600;white-space:nowrap}
table.price tr:hover td{background:var(--green-light)}
.price-note{font-size:13px;color:var(--ink-2);margin-top:12px}

/* 预约表单 */
.form-wrap{max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--green-dark)}
.form-row label em{color:var(--coral);font-style:normal}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:var(--bg)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--green)}
.form-row .hint{font-size:12.5px;color:var(--ink-2);margin-top:4px}
.form-ok{display:none;background:var(--green-light);border:1px solid var(--green-mid);color:var(--green-dark);border-radius:10px;padding:16px;font-size:15px;text-align:center}
.form-ok.show{display:block}

/* 科普 */
.article-list .card{display:flex;gap:18px}
.article-list .num{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--green-light);color:var(--green-dark);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:17px}
.prose{max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.prose h2{font-size:22px;color:var(--green-dark);margin-bottom:18px}
.prose h3{font-size:17px;color:var(--green-dark);margin:22px 0 8px}
.prose p,.prose li{font-size:15.5px;color:#37423D;margin-bottom:10px}
.prose ul{padding-left:22px}
.crumb{font-size:13px;color:var(--ink-2);padding:14px 0 0}

/* 页脚 */
footer.site{background:#123529;color:#9DB8AC;margin-top:56px;padding:44px 0 24px;font-size:14px}
footer.site .grid{gap:28px}
footer.site h4{color:#fff;font-size:16px;margin-bottom:12px}
footer.site a{color:#9DB8AC}
footer.site .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;text-align:center;font-size:12.5px;color:#6E8A7D}
footer.site .bottom a{color:#8FB3A3}

/* 悬浮预约（手机端） */
.float-cta{display:none;position:fixed;right:16px;bottom:16px;z-index:90;background:var(--coral);color:#fff;padding:13px 20px;border-radius:40px;font-size:15px;font-weight:600;box-shadow:0 4px 14px rgba(0,0,0,.25)}

/* ===== 响应式 ===== */
@media (max-width:860px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:26px}
  .hero{padding:44px 0 40px}
}
@media (max-width:640px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  nav.menu{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 14px 16px;border-bottom:1px solid var(--line);box-shadow:0 8px 16px rgba(0,0,0,.08)}
  nav.menu.open{display:flex}
  nav.menu a{padding:12px 10px;font-size:16px}
  .menu-toggle{display:block}
  .float-cta{display:block}
  section.block{padding:40px 0}
  .sterile{padding:28px 20px}
  .prose{padding:24px 18px}
  .form-wrap{padding:22px 18px}
}