/* ==========================================================================
   上海鼻整形 - 样式表
   ========================================================================== */

/* SECTION: reset & variables */
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'思源黑体','Microsoft YaHei','PingFang SC','微软雅黑',Helvetica,Arial,sans-serif;background:#FAFAFA;color:#1a1a1a;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:#1a1a1a;text-decoration:none}
a:hover{color:#ed513a}
ul{list-style:none}
:root{
  --primary:#ed513a;--primary-light:#FFF7F5;--primary-dark:#d64530;
  --orange:#FF4B16;--white:#FFFFFF;
  --gray-100:#FAFAFA;--gray-200:#F7F8FA;--gray-300:#f0f0f0;--gray-400:#E6E6E6;
  --gray-600:#999999;--gray-700:#666666;--gray-800:#333333;--black:#1a1a1a;
  --shadow:0 4px 12px rgba(0,0,0,.08);--radius:8px
}
.container{max-width:1200px;margin:0 auto;padding:0 16px}

/* SECTION: header */
.header{background:var(--white);box-shadow:0 2px 8px rgba(0,0,0,.1);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:inline-flex;align-items:center;flex-shrink:0}
.logo img{height:40px;width:auto}
.nav-list{display:flex;gap:32px}
.nav-list a{font-size:15px;color:var(--gray-800);padding:8px 0;position:relative}
.nav-list a:hover,.nav-list a.active{color:var(--primary)}
.nav-list a.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:24px;height:3px;background:var(--primary);border-radius:2px}
.header-cta{display:inline-block;background:var(--primary);color:var(--white)!important;padding:10px 24px;border-radius:24px;font-size:14px;font-weight:600;transition:all .3s ease}
.header-cta:hover{background:var(--primary-dark);color:var(--white)!important}

/* SECTION: marquee */
.marquee-bar{background:#ff4b1628;padding:10px 0;overflow:hidden}
.marquee-inner{display:flex;animation:marqueeScroll 30s linear infinite;white-space:nowrap}
.marquee-inner span{padding:0 40px;font-size:13px;color:var(--primary-dark)}
@keyframes marqueeScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* SECTION: hero */
.hero{background:linear-gradient(135deg,#FFF7F5 0%,#FFFFFF 100%);padding:80px 0;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(237,81,58,.08) 0%,transparent 70%);border-radius:50%}
.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-title{font-size:2.5rem;font-weight:bold;color:var(--black);line-height:1.3;margin-bottom:20px}
.hero-title em{color:var(--primary);font-style:normal}
.hero-subtitle{font-size:1.125rem;color:var(--gray-700);margin-bottom:32px;line-height:1.8}
.hero-stats{display:flex;gap:40px;margin-bottom:40px}
.hero-stat{text-align:center}
.hero-stat-num{font-size:2rem;font-weight:bold;color:var(--primary)}
.hero-stat-label{font-size:14px;color:var(--gray-600);margin-top:4px}
.hero-btns{display:flex;gap:16px}
.btn-primary{display:inline-block;background:var(--primary);color:var(--white);padding:14px 36px;border-radius:28px;font-size:16px;font-weight:600;transition:all .3s ease;box-shadow:0 4px 16px rgba(237,81,58,.3)}
.btn-primary:hover{background:var(--primary-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 6px 20px rgba(237,81,58,.4)}
.btn-outline{display:inline-block;border:2px solid var(--primary);color:var(--primary);padding:12px 32px;border-radius:28px;font-size:16px;font-weight:600;transition:all .3s ease}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.hero-image-box{background:linear-gradient(135deg,var(--primary-light) 0%,#FFE8E4 100%);border-radius:20px;padding:40px;display:flex;align-items:center;justify-content:center;aspect-ratio:1}
.hero-image-box svg{width:100%;height:auto}

/* SECTION: section-common */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:48px}
.section-title{font-size:2rem;font-weight:bold;color:var(--black);margin-bottom:12px}
.section-title em{color:var(--primary);font-style:normal}
.section-desc{font-size:1rem;color:var(--gray-600)}

/* SECTION: services */
.services{background:var(--white)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{background:var(--gray-100);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:all .3s ease;border:1px solid transparent}
.service-card:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-4px)}
.service-icon{width:64px;height:64px;background:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.service-icon svg{width:32px;height:32px}
.service-title{font-size:1.125rem;font-weight:600;color:var(--black);margin-bottom:12px}
.service-desc{font-size:14px;color:var(--gray-600);line-height:1.7;margin-bottom:16px}
.service-price{font-size:14px;color:var(--primary);font-weight:600}
.service-btn{display:inline-block;margin-top:16px;padding:8px 24px;background:var(--primary);color:var(--white);border-radius:20px;font-size:14px;transition:all .3s ease}
.service-btn:hover{background:var(--primary-dark);color:var(--white)}

/* SECTION: materials */
.materials{background:var(--gray-100)}
.materials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.material-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease}
.material-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.material-header{padding:24px;background:var(--primary);color:var(--white);text-align:center}
.material-header h3{font-size:1.25rem;margin-bottom:4px}
.material-header p{font-size:13px;opacity:.9}
.material-body{padding:24px}
.material-list{margin-bottom:20px}
.material-list li{padding:8px 0;font-size:14px;color:var(--gray-700);border-bottom:1px solid var(--gray-300);display:flex;align-items:flex-start;gap:8px}
.material-list li:last-child{border-bottom:none}
.material-list li::before{content:'✓';color:var(--primary);font-weight:bold;flex-shrink:0}
.material-price{text-align:center;padding-top:16px;border-top:2px solid var(--gray-300)}
.material-price strong{font-size:1.5rem;color:var(--primary)}
.material-btn{display:block;text-align:center;margin-top:16px;padding:12px;background:var(--primary);color:var(--white);border-radius:24px;font-weight:600;transition:all .3s ease}
.material-btn:hover{background:var(--primary-dark);color:var(--white)}

/* SECTION: prices */
.prices{background:var(--white)}
.prices-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.price-card{background:var(--gray-100);border-radius:var(--radius);padding:32px;border:1px solid var(--gray-400);transition:all .3s ease}
.price-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.price-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--gray-300)}
.price-card-title{font-size:1.25rem;font-weight:600;color:var(--black)}
.price-card-range{font-size:1.25rem;font-weight:bold;color:var(--primary)}
.price-card-list{display:flex;flex-direction:column;gap:12px}
.price-card-item{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--gray-700)}
.price-card-item span:last-child{color:var(--primary);font-weight:600}
.price-note{text-align:center;margin-top:40px;padding:24px;background:var(--primary-light);border-radius:var(--radius)}
.price-note-text{font-size:14px;color:var(--gray-700);margin-bottom:16px}

/* SECTION: comparison */
.comparison{background:var(--gray-100)}
.table-wrap{overflow-x:auto}
.comparison-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.comparison-table thead{background:var(--primary);color:var(--white)}
.comparison-table th{padding:16px 20px;font-weight:600;text-align:center;font-size:15px}
.comparison-table td{padding:16px 20px;text-align:center;font-size:14px;color:var(--gray-700);border-bottom:1px solid var(--gray-300)}
.comparison-table tbody tr:hover{background:var(--primary-light)}
.comparison-table .highlight{background:var(--primary-light)}
.comparison-table th.highlight{background:var(--primary-light);color:var(--primary)}

/* SECTION: advantages */
.advantages{background:linear-gradient(135deg,var(--primary) 0%,#E35D28 100%);color:var(--white)}
.advantages .section-title,.advantages .section-desc{color:var(--white)}
.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.advantage-card{text-align:center;padding:32px 20px;background:rgba(255,255,255,.1);border-radius:var(--radius);backdrop-filter:blur(10px)}
.advantage-icon{width:64px;height:64px;background:rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.advantage-icon svg{width:32px;height:32px;fill:none;stroke:#FFFFFF;stroke-width:2}
.advantage-title{font-size:1.125rem;font-weight:600;margin-bottom:12px}
.advantage-desc{font-size:14px;opacity:.9;line-height:1.6}

/* SECTION: faq */
.faq{background:var(--white)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--gray-100);border-radius:var(--radius);margin-bottom:16px;overflow:hidden}
.faq-question{padding:20px 24px;font-size:1rem;font-weight:600;color:var(--black);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .3s ease}
.faq-question:hover{color:var(--primary)}
.faq-question::after{content:'+';font-size:1.5rem;color:var(--primary);transition:transform .3s ease}
.faq-item.active .faq-question::after{content:'−'}
.faq-answer{padding:0 24px 20px;font-size:14px;color:var(--gray-700);line-height:1.8;display:none}
.faq-item.active .faq-answer{display:block}
.faq-more{text-align:center;margin-top:40px}

/* SECTION: cta */
.cta-section{background:var(--gray-100);text-align:center;padding:80px 0}
.cta-title{font-size:2rem;font-weight:bold;color:var(--black);margin-bottom:16px}
.cta-desc{font-size:1rem;color:var(--gray-600);margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}
.cta-btn{display:inline-block;background:var(--primary);color:var(--white);padding:16px 48px;border-radius:32px;font-size:18px;font-weight:600;transition:all .3s ease;box-shadow:0 6px 20px rgba(237,81,58,.3)}
.cta-btn:hover{background:var(--primary-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 24px rgba(237,81,58,.4)}
.center-32{text-align:center;margin-top:32px}

/* SECTION: footer */
.footer{background:var(--gray-800);color:var(--gray-600);padding:48px 0 20px}
.footer-content{display:grid;grid-template-columns:1.4fr 1.8fr auto;gap:40px;align-items:start;margin-bottom:32px}
.footer-logo{height:48px;width:auto;margin-bottom:16px}
.footer-title{font-size:16px;font-weight:600;color:var(--white);margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8}
.footer-menus{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.footer-links{display:flex;flex-direction:column}
.footer-links a{color:var(--gray-600);font-size:14px;padding:4px 0;transition:color .3s ease;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.footer-links a:hover{color:var(--primary)}
.footer-qr{text-align:center}
.footer-qr .footer-title{font-size:16px;line-height:1.5;margin-bottom:12px;white-space:nowrap}
.footer-qr-img{width:120px;height:120px;object-fit:cover;border-radius:var(--radius);background:var(--white);padding:4px;margin:0 auto}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px}
.footer-copyright{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 16px}
.footer-tip{margin-top:8px;font-size:12px}
.footer-beian a{color:var(--gray-600);transition:color .3s ease}
.footer-beian a:hover{color:var(--primary)}

/* SECTION: mobile-cta */
.mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--white);padding:12px 16px;box-shadow:0 -4px 12px rgba(0,0,0,.1);z-index:100}
.mobile-cta-btn{display:block;width:100%;background:var(--primary);color:var(--white);padding:14px;border-radius:28px;font-size:16px;font-weight:600;text-align:center}

/* SECTION: side-tools */
.side-tools{position:fixed;left:16px;top:50%;transform:translateY(-50%);z-index:999;display:flex;flex-direction:column;gap:12px}
.side-btn{width:60px;height:60px;border:0;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--white);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer;box-shadow:0 4px 16px rgba(237,81,58,.3);transition:transform .25s ease,box-shadow .25s ease}
.side-btn svg{width:22px;height:22px}
.side-btn-text{font-size:11px;line-height:1}
.side-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(237,81,58,.4)}
.side-qr{position:relative}
.side-pop{position:absolute;left:calc(100% + 14px);top:50%;width:158px;padding:14px;background:var(--white);border-radius:var(--radius);box-shadow:0 8px 24px rgba(0,0,0,.15);text-align:center;opacity:0;visibility:hidden;transform:translateY(-50%) scale(.96);transition:opacity .25s ease,transform .25s ease,visibility .25s;pointer-events:none}
.side-pop::after{content:'';position:absolute;right:100%;top:50%;margin-top:-6px;border:6px solid transparent;border-right-color:var(--white)}
.side-pop img{width:130px;height:130px;object-fit:cover;border-radius:6px;margin:0 auto 10px}
.side-pop p{font-size:13px;color:var(--gray-700);line-height:1.6}
.side-pop-close{position:absolute;top:-8px;right:-8px;width:22px;height:22px;padding:0;border:0;border-radius:50%;background:var(--gray-800);color:var(--white);font-size:15px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:background .25s ease}
.side-pop-close:hover{background:var(--primary)}
.side-qr.active .side-pop{opacity:1;visibility:visible;transform:translateY(-50%) scale(1);pointer-events:auto}
.side-top{background:var(--white);color:var(--primary);opacity:0;visibility:hidden;transform:translateY(10px);box-shadow:0 4px 16px rgba(0,0,0,.12)}
.side-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.side-top.show:hover{transform:translateY(-2px)}

/* SECTION: responsive */
@media(max-width:992px){
  .hero-content{grid-template-columns:1fr;gap:40px}
  .hero-title{font-size:2rem}
  .services-grid,.materials-grid{grid-template-columns:repeat(2,1fr)}
  .advantages-grid{grid-template-columns:repeat(2,1fr)}
  .footer-content{grid-template-columns:1fr;gap:32px}
  .footer-qr{display:flex;flex-direction:column;align-items:flex-start;gap:12px;text-align:left}
  .footer-qr .footer-title{margin-bottom:0}
  .nav-list{display:none}
}
@media(max-width:768px){
  .hero{padding:48px 0}
  .hero-title{font-size:1.75rem}
  .hero-stats{gap:24px}
  .hero-stat-num{font-size:1.5rem}
  .section{padding:48px 0}
  .section-title{font-size:1.5rem}
  .services-grid,.materials-grid,.prices-grid{grid-template-columns:1fr}
  .advantages-grid{grid-template-columns:1fr}
  .comparison-table{font-size:13px}
  .comparison-table th,.comparison-table td{padding:12px 8px}
  .footer-qr{align-items:center;text-align:center}
  .mobile-cta{display:block}
  .footer{padding-bottom:80px}
  .side-tools{left:12px;gap:10px}
  .side-btn{width:52px;height:52px;border-radius:12px}
  .side-btn svg{width:20px;height:20px}
  .side-btn-text{font-size:10px}
}