*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:#17150F;
  background-color:#FFFBEF;
  background-image:
    radial-gradient(1000px 560px at 86% -140px, rgba(255,212,0,.34), rgba(255,212,0,0) 68%),
    radial-gradient(820px 520px at -12% 16%, rgba(255,212,0,.16), rgba(255,212,0,0) 70%),
    linear-gradient(180deg,#FFFDF7 0%,#FFF8E6 46%,#FFFDF7 100%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;}
.container{width:100%;max-width:1160px;margin:0 auto;padding-left:20px;padding-right:20px;}
section[id]{scroll-margin-top:92px;}
h2{font-size:clamp(23px,2.6vw,32px);line-height:1.35;margin:0 0 12px;letter-spacing:.01em;font-weight:800;}
h3{margin:0 0 8px;font-size:17px;line-height:1.5;font-weight:800;}
p{margin:0 0 12px;}
a{color:#17150F;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,253,246,.95);border-bottom:1px solid #EFE6CC;backdrop-filter:blur(12px);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#17150F;font-weight:800;font-size:17px;flex-shrink:0;}
.brand img{max-height:36px;width:auto;display:block;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;margin:0;padding:0;}
.nav-links a{display:block;padding:9px 10px;font-size:14.5px;color:#3E3A2E;text-decoration:none;border-radius:8px;transition:background .2s ease,color .2s ease;}
.nav-links a:hover{background:#FFF0B8;color:#17150F;}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;background:#FFD400;color:#17150F;font-size:14px;font-weight:800;text-decoration:none;border-radius:9px;border:1px solid #E5BC00;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease;}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(233,185,0,.35);}
.nav-toggle{display:none;width:44px;height:40px;align-items:center;justify-content:center;background:#fff;border:1px solid #E8DFC6;border-radius:10px;cursor:pointer;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;background:#17150F;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#17150F;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:11px;font-size:15px;font-weight:800;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;}
.btn-primary{background:#FFD400;color:#17150F;border-color:#E5BC00;box-shadow:0 10px 24px rgba(233,185,0,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(233,185,0,.45);}
.btn-ghost{background:#fff;color:#17150F;border-color:#17150F;}
.btn-ghost:hover{background:#FFF0B8;transform:translateY(-2px);}

/* ---------- hero ---------- */
.hero{position:relative;padding:56px 0 34px;overflow:hidden;}
.hero::before{content:"";position:absolute;width:460px;height:460px;right:-140px;top:-160px;border-radius:50%;background:radial-gradient(circle at 32% 32%,rgba(255,212,0,.55),rgba(255,212,0,0) 70%);pointer-events:none;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;padding:6px 15px;background:#17150F;color:#FFD400;font-size:13px;font-weight:700;border-radius:999px;margin-bottom:20px;letter-spacing:.02em;}
h1{font-size:clamp(30px,4.4vw,50px);line-height:1.22;margin:0 0 18px;letter-spacing:-.01em;font-weight:900;}
.mark{background:linear-gradient(180deg,transparent 58%,#FFD400 58%,#FFD400 92%,transparent 92%);padding:0 2px;color:#17150F;}
.hero-lead{font-size:16.5px;color:#4A4638;margin:0 0 26px;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:22px 0 0;padding:0;}
.hero-points li{padding:6px 15px;background:#fff;border:1px solid #E8DFC6;border-radius:999px;font-size:13.5px;color:#3E3A2E;}
.hero-panel{background:#fff;border:1px solid #E8DFC6;border-radius:18px;padding:26px;box-shadow:0 22px 44px rgba(23,21,15,.08);}
.panel-title{display:block;font-size:15.5px;font-weight:800;margin-bottom:16px;}
.model-tags{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;}
.model-tags li{padding:5px 11px;background:#FFF7D9;border:1px solid #F0E2A8;border-radius:8px;font-size:13px;color:#4A4638;}
.panel-foot{margin:16px 0 0;font-size:13px;color:#6E6857;padding-top:14px;border-top:1px dashed #E8DFC6;}

/* ---------- metrics ---------- */
.metrics{padding:18px 0 0;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.metric{background:#fff;border:1px solid #E8DFC6;border-radius:14px;padding:22px 18px;text-align:center;transition:transform .2s ease,box-shadow .2s ease;}
.metric:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(23,21,15,.08);}
.metric strong{display:block;font-size:30px;font-weight:900;line-height:1.2;color:#17150F;}
.metric span{font-size:13.5px;color:#5A5445;}

/* ---------- sections ---------- */
.section{padding:62px 0;}
.section-head{max-width:780px;margin-bottom:32px;}
.section-tag{display:inline-block;padding:5px 13px;background:#FFD400;color:#17150F;font-size:13px;font-weight:800;border-radius:6px;letter-spacing:.04em;margin-bottom:14px;}
.section-head p{color:#544E3F;font-size:15.5px;margin:0;}

/* ---------- cards ---------- */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));}
.grid-2{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));}
.card{background:#fff;border:1px solid #E8DFC6;border-radius:14px;padding:24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(23,21,15,.09);border-color:#E5CF87;}
.card p{margin:0;font-size:14.5px;color:#544E3F;}
.card-num{display:inline-block;font-size:12.5px;font-weight:800;color:#A88700;letter-spacing:.08em;margin-bottom:8px;}

/* ---------- tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding:22px;background:#FFFDF2;border:1px dashed #E8D9A4;border-radius:14px;}
.tag-cloud span{padding:7px 14px;background:#fff;border:1px solid #E8DFC6;border-radius:999px;font-size:13.5px;color:#3E3A2E;transition:background .2s ease,border-color .2s ease,transform .2s ease;}
.tag-cloud span:hover{background:#FFD400;border-color:#E5BC00;transform:translateY(-2px);}

/* ---------- steps ---------- */
.steps{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,205px),1fr));}
.step{position:relative;background:#fff;border:1px solid #E8DFC6;border-radius:14px;padding:24px 20px 22px;transition:transform .2s ease,box-shadow .2s ease;}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(23,21,15,.08);}
.step-index{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:#FFD400;color:#17150F;font-weight:900;font-size:15px;margin-bottom:12px;}
.step p{margin:0;font-size:14px;color:#544E3F;}

/* ---------- cases ---------- */
.case-card{background:#fff;border:1px solid #E8DFC6;border-radius:14px;padding:14px;transition:transform .22s ease,box-shadow .22s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(23,21,15,.1);}
.case-media{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:#FFF9E4;border-radius:10px;overflow:hidden;margin-bottom:14px;}
.case-media img{max-width:100%;max-height:100%;width:auto;height:auto;display:block;}
.case-card h3{font-size:15.5px;margin:0 0 6px;}
.case-card p{font-size:13.5px;color:#5A5445;margin:0;}

/* ---------- compare ---------- */
.rating-card{display:flex;align-items:center;gap:26px;background:linear-gradient(120deg,#FFF6CC,#FFD400 88%);border:1px solid #E5BC00;border-radius:16px;padding:26px 28px;margin-bottom:22px;}
.rating-main{display:flex;align-items:baseline;gap:4px;flex-shrink:0;}
.rating-score{font-size:48px;font-weight:900;line-height:1;color:#17150F;}
.rating-max{font-size:16px;font-weight:700;color:#4A4638;}
.rating-stars{font-size:20px;letter-spacing:4px;color:#17150F;line-height:1.2;}
.rating-body p{margin:0;font-size:14.5px;color:#3E3A2E;}
.rating-desc{font-size:13.5px !important;color:#4A4638 !important;margin-top:4px !important;}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;background:#fff;border:1px solid #E8DFC6;border-radius:14px;}
table{border-collapse:collapse;width:100%;min-width:680px;font-size:14px;}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #F0E9D6;vertical-align:top;}
thead th{background:#FFF6CC;color:#17150F;font-weight:800;font-size:14px;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#FFFDF2;}
td:first-child{font-weight:700;color:#17150F;}
.table-note{margin:14px 0 0;font-size:13.5px;color:#6E6857;}

/* ---------- reviews ---------- */
.review-card{margin:0;background:#fff;border:1px solid #E8DFC6;border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:16px;transition:transform .2s ease,box-shadow .2s ease;}
.review-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(23,21,15,.08);}
.review-card blockquote{margin:0;font-size:14.5px;color:#3E3A2E;line-height:1.8;}
.review-card figcaption{margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:14px;border-top:1px dashed #E8DFC6;}
.review-role{font-size:13px;color:#6E6857;}
.review-name{font-size:13.5px;font-weight:800;color:#17150F;}

/* ---------- faq ---------- */
.help-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.help-tags span{padding:7px 15px;background:#fff;border:1px solid #E8DFC6;border-radius:999px;font-size:13.5px;color:#3E3A2E;}
.faq-list{display:grid;gap:12px;}
.faq-item{background:#fff;border:1px solid #E8DFC6;border-radius:12px;padding:0 20px;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:#E5CF87;box-shadow:0 12px 26px rgba(23,21,15,.06);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-weight:800;font-size:15px;position:relative;color:#17150F;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;font-weight:700;color:#C99F00;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 0 18px;font-size:14.5px;color:#544E3F;}
.faq-answer p{margin:0;}

/* ---------- articles ---------- */
.article-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));}
.article-card{display:block;text-decoration:none;background:#fff;border:1px solid #E8DFC6;border-radius:14px;padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.article-card:hover{transform:translateY(-4px);box-shadow:0 18px 32px rgba(23,21,15,.09);border-color:#E5CF87;}
.article-card h3{font-size:16px;margin:0 0 10px;color:#17150F;}
.article-card p{font-size:14px;color:#544E3F;margin:0 0 14px;}
.article-more{font-size:13.5px;font-weight:800;color:#A88700;}

/* ---------- join ---------- */
.join-card{background:#17150F;border-radius:18px;padding:38px;color:#FFF8DC;}
.join-inner{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;}
.join-card h2{color:#FFD400;margin-bottom:12px;}
.join-card p{color:#E8E0C8;font-size:14.5px;margin:0;}
.join-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.join-list li{background:rgba(255,212,0,.1);border:1px solid rgba(255,212,0,.32);border-radius:12px;padding:16px 18px;}
.join-list strong{display:block;color:#FFD400;font-size:14.5px;margin-bottom:4px;}
.join-list span{font-size:13.5px;color:#E8E0C8;}

/* ---------- contact ---------- */
.contact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start;}
.lead-form{background:#fff;border:1px solid #E8DFC6;border-radius:16px;padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:13.5px;font-weight:800;color:#3E3A2E;}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid #E0D6BC;border-radius:10px;font-size:14.5px;font-family:inherit;color:#17150F;background:#FFFDF7;transition:border-color .2s ease,box-shadow .2s ease;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#E5BC00;box-shadow:0 0 0 3px rgba(255,212,0,.28);}
.field textarea{resize:vertical;min-height:110px;}
.field-full{grid-column:1 / -1;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-note{font-size:13px;color:#6E6857;}
.contact-card{background:#fff;border:1px solid #E8DFC6;border-radius:16px;padding:26px;}
.contact-list{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:12px;}
.contact-list li{display:flex;flex-wrap:wrap;gap:8px;font-size:14.5px;color:#3E3A2E;padding-bottom:12px;border-bottom:1px dashed #EFE6CC;}
.contact-list li:last-child{border-bottom:none;padding-bottom:0;}
.contact-label{font-weight:800;color:#17150F;min-width:82px;}
.contact-card a{color:#A88700;font-weight:700;text-decoration:none;}
.contact-card a:hover{text-decoration:underline;}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:8px;padding-top:16px;border-top:1px dashed #EFE6CC;}
.qr-box img{width:160px;max-width:100%;height:auto;display:block;border-radius:10px;border:1px solid #E8DFC6;}
.qr-box span{font-size:13px;color:#6E6857;}

/* ---------- footer ---------- */
.site-footer{background:#17150F;color:#EFE7CF;padding:44px 0 26px;margin-top:20px;}
.footer-main{display:grid;grid-template-columns:1fr 1fr;gap:34px;}
.footer-brand .brand{color:#FFF8DC;margin-bottom:12px;}
.footer-brand p{font-size:13.5px;color:#BFB79F;margin:0;max-width:420px;}
.footer-links h3{color:#FFD400;font-size:15px;margin:0 0 12px;}
.friend-links{display:flex;flex-wrap:wrap;gap:8px 16px;}
.friend-links a{color:#D9D2BA;font-size:13.5px;text-decoration:none;transition:color .2s ease;}
.friend-links a:hover{color:#FFD400;}
.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,212,0,.22);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;}
.footer-bottom p{margin:0;font-size:13px;color:#A9A28C;}
.footer-bottom a{color:#FFD400;text-decoration:none;}

/* ---------- floating ---------- */
.float-service{position:fixed;right:20px;bottom:24px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.service-panel{display:none;width:252px;background:#fff;border:1px solid #E8DFC6;border-radius:14px;padding:16px;box-shadow:0 18px 40px rgba(23,21,15,.18);}
.service-panel.is-open{display:block;animation:panelIn .22s ease both;}
@keyframes panelIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.service-panel img{display:block;width:100%;max-width:190px;height:auto;margin:0 auto 10px;border-radius:8px;}
.service-panel p{margin:0 0 8px;font-size:13px;color:#4A4638;text-align:center;}
.service-panel ul{list-style:none;margin:0;padding:0;font-size:13px;color:#4A4638;display:grid;gap:4px;}
.float-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;background:#17150F;color:#FFD400;border:none;border-radius:999px;font-size:14px;font-weight:800;cursor:pointer;box-shadow:0 12px 26px rgba(23,21,15,.3);transition:transform .18s ease;}
.float-btn:hover{transform:translateY(-2px);}
.back-top{position:fixed;right:20px;bottom:90px;z-index:90;width:44px;height:44px;display:none;align-items:center;justify-content:center;background:#fff;color:#17150F;border:1px solid #E8DFC6;border-radius:12px;cursor:pointer;box-shadow:0 10px 22px rgba(23,21,15,.13);}
.back-top.is-show{display:inline-flex;}
.back-top:hover{background:#FFD400;border-color:#E5BC00;}

/* ---------- reveal ---------- */
.reveal{transition:opacity .6s ease,transform .6s ease;}
.reveal-ready .reveal{opacity:0;transform:translateY(18px);}
.reveal-ready .reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal-ready .reveal{opacity:1 !important;transform:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#FFFDF6;border-bottom:1px solid #EFE6CC;padding:8px 20px 16px;display:none;box-shadow:0 18px 30px rgba(23,21,15,.08);}
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 8px;border-radius:8px;font-size:15px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero::before{width:320px;height:320px;right:-120px;top:-140px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .contact-layout{grid-template-columns:1fr;}
  .join-inner{grid-template-columns:1fr;gap:24px;}
  .footer-main{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:640px){
  .hero{padding:38px 0 26px;}
  .section{padding:46px 0;}
  .lead-form{grid-template-columns:1fr;padding:20px;}
  .join-card{padding:26px 20px;}
  .rating-card{flex-direction:column;align-items:flex-start;gap:14px;padding:22px;}
  .rating-score{font-size:40px;}
  .service-panel{width:220px;}
  .float-service{right:14px;bottom:18px;}
  .back-top{right:14px;bottom:84px;}
  .btn{padding:13px 22px;font-size:14.5px;}
}