/* ===== 设计令牌 ===== */
:root{
  --primary:#ed513a;
  --primary-dark:#d8422c;
  --primary-deep:#b93422;
  --primary-soft:#fdeae4;
  --primary-faint:#fdf3ef;
  --cream:#faf6f2;
  --cream-2:#f4ece5;
  --ink:#2b221e;
  --ink-2:#5a4d46;
  --ink-3:#8a7a72;
  --line:#eadfd7;
  --white:#ffffff;
  --gold:#c9a06a;
  --radius:20px;
  --shadow:0 18px 50px rgba(180,90,60,.10);
  --serif:"Noto Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.container{max-width:1180px;margin:0 auto;padding:0 28px;}
.serif{font-family:var(--serif);}

/* ===== 顶部条 ===== */
.topbar{background:var(--ink);color:#e8ddd6;font-size:13px;letter-spacing:.04em;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar a{color:#f3b9ac;}
.topbar a:hover{color:#fff;}
.topbar .tb-right{display:flex;gap:22px;align-items:center;}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav .container{display:flex;align-items:center;justify-content:space-between;height:74px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-img{display:block;height:48px;width:auto;max-width:100%;object-fit:contain;}
.logo-name{font-family:var(--serif);font-weight:700;font-size:21px;letter-spacing:.02em;}
.logo-name small{display:block;font-family:var(--sans);font-size:10.5px;font-weight:400;color:var(--ink-3);letter-spacing:.35em;margin-top:1px;}
.nav-links{display:flex;gap:34px;}
.nav-links a{font-size:15px;color:var(--ink-2);font-weight:500;position:relative;padding:6px 0;transition:color .2s;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .25s;}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after{width:100%;}
.nav-cta{display:flex;align-items:center;gap:18px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-family:var(--sans);transition:all .25s;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;border-radius:999px;padding:13px 30px;font-size:15px;font-weight:600;box-shadow:0 8px 22px rgba(237,81,58,.35);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(237,81,58,.42);}
.btn-ghost{border:1.5px solid var(--primary);color:var(--primary);background:transparent;border-radius:999px;padding:11px 26px;font-size:15px;font-weight:500;}
.btn-ghost:hover{background:var(--primary-soft);}
.btn-lg{padding:15px 40px;font-size:16px;}
.hamburger{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;flex-direction:column;gap:5px;align-items:center;justify-content:center;}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--primary-faint) 0%,var(--cream) 100%);}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding-top:64px;padding-bottom:40px;}
.hero-deco{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none;}
.hero-deco.d1{background:#ffc9b8;top:-140px;right:-80px;}
.hero-deco.d2{background:#ffe0d6;bottom:-120px;left:-100px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--line);color:var(--primary);font-size:13px;font-weight:600;padding:8px 18px;border-radius:999px;letter-spacing:.05em;box-shadow:0 4px 14px rgba(180,90,60,.08);}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);animation:pulse 1.8s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.hero h1{font-family:var(--serif);font-size:58px;line-height:1.25;margin:26px 0 22px;font-weight:700;letter-spacing:.01em;}
.hero h1 .accent{color:var(--primary);position:relative;}
.hero h1 .accent::after{content:"";position:absolute;left:0;bottom:6px;width:100%;height:12px;background:var(--primary-soft);z-index:-1;border-radius:4px;}
.hero p.sub{font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:32px;font-weight:400;}
.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:38px;}
.hero-note{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-3);}
.hero-note .ok{color:var(--primary);font-weight:700;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:30px;border-top:1px solid var(--line);}
.stat .num{font-family:var(--serif);font-size:36px;font-weight:700;color:var(--primary);}
.stat .num em{font-style:normal;font-size:22px;}
.stat .lbl{font-size:13.5px;color:var(--ink-2);margin-top:3px;}
.hero-visual{position:relative;}
.hero-visual .main-img{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);}
.hero-visual .main-img img{width:100%;height:600px;object-fit:cover;object-position:center;}
.float-card{position:absolute;background:var(--white);border-radius:16px;box-shadow:0 14px 40px rgba(180,90,60,.16);padding:16px 20px;display:flex;align-items:center;gap:14px;border:1px solid var(--line);}
.float-card.f1{top:34px;left:-28px;}
.float-card.f2{bottom:44px;right:-22px;}
.float-card .fc-ic{width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.float-card .fc-txt b{display:block;font-size:15px;font-weight:700;}
.float-card .fc-txt span{font-size:12.5px;color:var(--ink-3);}

/* ===== 通用区块 ===== */
.section{padding:96px 0;}
.section-alt{background:var(--cream);}
.sec-head{max-width:720px;margin:0 auto 60px;text-align:center;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--primary);font-size:14px;font-weight:600;letter-spacing:.22em;margin-bottom:16px;}
.sec-eyebrow::before,.sec-eyebrow::after{content:"";width:26px;height:1.5px;background:var(--primary);opacity:.5;}
.sec-title{font-family:var(--serif);font-size:40px;font-weight:700;line-height:1.3;margin-bottom:16px;}
.sec-title .accent{color:var(--primary);}
.sec-desc{font-size:16px;color:var(--ink-2);}

/* ===== 术式项目 ===== */
.proc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.proc-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:all .3s;position:relative;overflow:hidden;}
.proc-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-soft));opacity:0;transition:opacity .3s;}
.proc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.proc-card:hover::before{opacity:1;}
.proc-ic{width:58px;height:58px;border-radius:16px;background:var(--primary-faint);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:22px;}
.proc-card h3{font-family:var(--serif);font-size:22px;font-weight:700;margin-bottom:12px;}
.proc-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px;line-height:1.75;}
.proc-tags{display:flex;flex-wrap:wrap;gap:8px;}
.proc-tags span{font-size:12px;color:var(--ink-2);background:var(--cream);border:1px solid var(--line);padding:5px 12px;border-radius:999px;}

/* ===== 品牌优势 ===== */
.adv-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;}
.adv-media{border-radius:26px;overflow:hidden;box-shadow:var(--shadow);}
.adv-media img{width:100%;height:560px;object-fit:cover;}
.adv-list{display:flex;flex-direction:column;gap:22px;}
.adv-item{display:flex;gap:20px;background:var(--white);border:1px solid var(--line);border-radius:18px;padding:22px 24px;transition:all .25s;}
.adv-item:hover{border-color:var(--primary);box-shadow:0 10px 26px rgba(180,90,60,.10);}
.adv-no{font-family:var(--serif);font-size:26px;font-weight:700;color:var(--primary);line-height:1;}
.adv-item h4{font-size:17px;font-weight:700;margin-bottom:6px;}
.adv-item p{font-size:14px;color:var(--ink-2);line-height:1.7;}

/* ===== 专家团队 ===== */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.team-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .3s;}
.team-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.team-photo{height:320px;overflow:hidden;position:relative;}
.team-photo img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .5s;}
.team-card:hover .team-photo img{transform:scale(1.05);}
.team-body{padding:22px 24px 26px;}
.team-body h3{font-family:var(--serif);font-size:20px;font-weight:700;margin-bottom:4px;}
.team-role{color:var(--primary);font-size:13.5px;font-weight:600;margin-bottom:12px;letter-spacing:.03em;}
.team-body p{font-size:13.5px;color:var(--ink-2);line-height:1.7;}
.team-exp{margin-top:14px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);background:var(--cream);padding:8px 14px;border-radius:10px;border:1px solid var(--line);}
.team-exp b{color:var(--primary);}

/* ===== 案例 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.case-card{border-radius:var(--radius);overflow:hidden;background:var(--white);border:1px solid var(--line);transition:all .3s;position:relative;}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.case-img{height:300px;overflow:hidden;}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.case-card:hover .case-img img{transform:scale(1.05);}
.case-tag{position:absolute;top:16px;left:16px;background:rgba(255,255,255,.92);color:var(--primary);font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;backdrop-filter:blur(4px);}
.case-body{padding:20px 22px 24px;}
.case-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.case-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--ink-3);}
.case-meta b{color:var(--primary);font-weight:600;}
.case-bar{height:6px;background:var(--cream-2);border-radius:6px;margin-top:12px;overflow:hidden;}
.case-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),#ff8a6e);border-radius:6px;}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:34px 22px;position:relative;}
@media (min-width:900px){.flow{grid-template-columns:repeat(6,1fr);}.flow::before{content:"";position:absolute;top:32px;left:4%;right:4%;height:2px;background:linear-gradient(90deg,var(--primary-soft),var(--primary),var(--primary-soft));}}
@media (min-width:769px) and (max-width:900px){.flow{grid-template-columns:repeat(3,1fr);}}
.flow-step{text-align:center;position:relative;}
.flow-num{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;background:var(--white);border:2px solid var(--primary);color:var(--primary);font-family:var(--serif);font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;box-shadow:0 6px 18px rgba(237,81,58,.18);}
.flow-step h4{font-size:16px;font-weight:700;margin-bottom:8px;}
.flow-step p{font-size:13px;color:var(--ink-2);line-height:1.65;}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color .25s;}
.faq-item.open{border-color:var(--primary);}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px 26px;cursor:pointer;font-size:16px;font-weight:600;}
.faq-q .faq-arrow{width:30px;height:30px;border-radius:50%;background:var(--cream);color:var(--ink-2);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s;font-size:16px;}
.faq-item.open .faq-arrow{background:var(--primary);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 26px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.8;}

/* ===== 预约 ===== */
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);color:#fff;}
.cta-deco{position:absolute;width:380px;height:380px;border-radius:50%;background:rgba(255,255,255,.08);}
.cta-deco.c1{top:-120px;right:-60px;}
.cta-deco.c2{bottom:-140px;left:-80px;}
.cta .container{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding-top:84px;padding-bottom:84px;}
.cta h2{font-family:var(--serif);font-size:38px;font-weight:700;line-height:1.35;margin-bottom:20px;}
.cta p{font-size:15.5px;opacity:.92;max-width:460px;margin-bottom:30px;}
.cta-points{display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;align-items:center;gap:12px;font-size:14.5px;}
.cta-points .ck{width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px;}
.cta-form{background:var(--white);border-radius:24px;padding:40px 36px;color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.18);}
.cta-form h3{font-family:var(--serif);font-size:24px;font-weight:700;margin-bottom:6px;color:var(--ink);}
.cta-form .form-sub{font-size:14px;color:var(--ink-3);margin-bottom:26px;}
.cta-qr{text-align:center;}
.cta-qr img{width:100%;max-width:220px;margin:0 auto;border-radius:14px;border:6px solid var(--cream);}
.form-note{font-size:12px;color:var(--ink-3);text-align:center;margin-top:14px;line-height:1.6;}

/* ===== Footer ===== */
.footer{background:var(--ink);color:#d9cec8;padding:64px 0 30px;}
.footer .container{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand .logo-img{background:#fff;border-radius:12px;padding:8px;}
.footer-brand p{font-size:14px;margin-top:18px;line-height:1.8;color:#b6a9a1;max-width:320px;}
.footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:20px;}
.footer ul li{margin-bottom:12px;}
.footer ul a{font-size:14px;color:#b6a9a1;transition:color .2s;}
.footer ul a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#b6a9a1;margin-bottom:14px;align-items:flex-start;}
.footer-contact .fc-ic{color:var(--primary);flex-shrink:0;margin-top:2px;}
.footer-qr{display:flex;align-items:center;gap:14px;}
.footer-qr .qr-img{width:92px;max-width:100%;border-radius:10px;background:#fff;padding:4px;flex-shrink:0;}
.footer-qr .qr-info b{display:block;color:#fff;font-size:14.5px;font-weight:600;margin-bottom:4px;}
.footer-qr .qr-info span{font-size:12.5px;color:#a99a92;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:26px;font-size:12.5px;color:#9b8c84;text-align:center;line-height:1.9;}

/* ===== 返回顶部 ===== */
.back-top{position:fixed;right:26px;bottom:34px;z-index:200;width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(237,81,58,.4);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s;}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--primary-dark);transform:translateY(-3px);}

/* ===== 移动端 ===== */
@media (max-width:768px){
  .topbar{display:none;}
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 28px;gap:6px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,.08);}
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 0;border-bottom:1px solid var(--cream-2);font-size:16px;}
  .nav-cta .btn-ghost{display:none;}
  .hamburger{display:flex;}
  .logo-img{height:38px;}
  .hero .container{grid-template-columns:1fr;padding-top:48px;gap:36px;}
  .hero h1{font-size:38px;}
  .hero-visual .main-img img{height:420px;}
  .float-card.f1{left:-8px;}
  .float-card.f2{right:-8px;}
  .hero-stats{gap:14px;}
  .stat .num{font-size:28px;}
  .section{padding:64px 0;}
  .sec-title{font-size:30px;}
  .proc-grid,.team-grid,.case-grid{grid-template-columns:1fr;}
  .adv-wrap{grid-template-columns:1fr;gap:34px;}
  .adv-media img{height:380px;}
  .flow{grid-template-columns:1fr;gap:30px;}
  .flow::before{display:none;}
  .cta .container{grid-template-columns:1fr;padding-top:60px;padding-bottom:60px;gap:44px;}
  .cta h2{font-size:30px;}
  .cta-form{padding:32px 24px;}
  .footer .container{grid-template-columns:1fr;gap:36px;}
}
@media (max-width:480px){
  .hero h1{font-size:32px;}
  .hero-actions .btn-primary{width:100%;justify-content:center;}
  .float-card{padding:12px 14px;}
  .float-card .fc-txt b{font-size:13px;}
  .container{padding:0 20px;}
  .logo-img{height:32px;}
  .back-top{right:16px;bottom:22px;width:42px;height:42px;}
}