*{box-sizing:border-box;margin:0;padding:0}
:root{
  --brand:#F25C05;
  --brand-deep:#D84B00;
  --brand-soft:#FDEBE0;
  --ink:#26221D;
  --ink-2:#57504A;
  --muted:#8E857A;
  --paper:#FFFDF8;
  --card:#FFFFFF;
  --line:#EDE2D6;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1160px;margin:0 auto;padding:0 24px}

/* ===== 顶部导航 ===== */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;background:rgba(255,253,248,.97);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(38,34,29,.05)}
.nav-inner{height:68px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--brand);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:900;font-size:20px;flex:none}
.brand-name{font-weight:700;font-size:18px;letter-spacing:.5px;line-height:1.15}
.brand-name small{display:block;font-size:10px;font-weight:500;color:var(--muted);letter-spacing:1.6px}
.nav-links{display:flex;gap:20px;margin-left:auto}
.nav-links a{font-size:15px;color:var(--ink-2);padding:6px 2px;position:relative;white-space:nowrap}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand)}
.nav-cta{display:inline-flex;align-items:center;background:var(--brand);color:#fff;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;transition:background .18s ease;flex:none}
.nav-cta:hover{background:var(--brand-deep)}
.nav-burger{display:none;width:40px;height:40px;place-items:center;border-radius:10px;border:1px solid var(--line);background:#fff}
.nav-burger svg{width:20px;height:20px;stroke:var(--ink)}

/* ===== 首屏 ===== */
.hero{padding:150px 0 76px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 420px at 85% 8%,rgba(242,92,5,.10),transparent 70%),radial-gradient(500px 380px at 6% 92%,rgba(242,92,5,.07),transparent 70%);pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(242,92,5,.22);border-radius:999px;padding:7px 16px;font-size:13px;font-weight:500;letter-spacing:.4px}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);flex:none}
.hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(38px,4.6vw,60px);line-height:1.22;margin:24px 0 20px;letter-spacing:1px}
.hero-sub{font-size:16.5px;color:var(--ink-2);max-width:34em;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:13px;font-weight:600;font-size:15px;padding:13px 26px;border:1px solid transparent;transition:transform .18s ease,background .18s ease,box-shadow .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 24px rgba(242,92,5,.28)}
.btn-primary:hover{background:var(--brand-deep);box-shadow:0 14px 28px rgba(216,75,0,.32)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep)}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:auto;border-radius:26px;box-shadow:0 30px 60px rgba(216,75,0,.16)}
.chip{display:inline-flex;align-items:center;gap:7px;background:#fff;border-radius:999px;padding:9px 16px;font-size:13.5px;font-weight:600;color:var(--ink);box-shadow:0 12px 26px rgba(38,34,29,.14)}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;justify-content:center}

/* ===== 子页面页头 ===== */
.page-hero{padding:132px 0 52px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(520px 320px at 85% 0%,rgba(242,92,5,.09),transparent 70%);pointer-events:none}
.page-hero h1{font-family:var(--serif);font-weight:900;font-size:clamp(30px,3.6vw,46px);line-height:1.25;margin:18px 0 12px;letter-spacing:.5px}
.page-hero .sec-sub{max-width:640px;margin-bottom:0}

/* ===== 信任条 ===== */
.strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{display:flex;align-items:center;gap:12px;padding:20px 16px;justify-content:center}
.strip-item svg{width:22px;height:22px;color:var(--brand);flex:none}
.strip-item span{font-size:14.5px;font-weight:500;color:var(--ink-2)}

/* ===== 通用区块 ===== */
.section{padding:92px 0}
.sec-head{margin-bottom:48px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(242,92,5,.22);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:500}
.sec-head h2,.about-story h2,.contact-copy h2,.page-hero h1{font-family:var(--serif);font-weight:900;letter-spacing:.5px}
.sec-head h2,.about-story h2{font-size:clamp(28px,3.4vw,40px);line-height:1.25;margin:18px 0 12px}
.contact-copy h2{font-size:clamp(28px,3.4vw,40px);line-height:1.25;margin:0}
.sec-sub{color:var(--muted);font-size:15.5px}

/* ===== 服务内容 ===== */
.service{background:var(--paper)}
.service-split{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:stretch}
.service-visual{position:relative}
.service-visual img{width:100%;height:100%;min-height:340px;aspect-ratio:4/3;object-fit:cover;border-radius:24px;box-shadow:0 24px 50px rgba(216,75,0,.14)}
.srv-list{display:grid;grid-template-columns:1fr;gap:14px}
.srv-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 26px;display:flex;gap:18px;align-items:flex-start}
.model-icon{width:46px;height:46px;border-radius:13px;background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center;flex:none}
.model-icon svg{width:23px;height:23px}
.srv-card h3{font-family:var(--serif);font-size:18px;font-weight:800;margin-bottom:5px}
.srv-card p{font-size:14px;color:var(--ink-2)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px;position:relative}
.steps::before{content:"";position:absolute;top:26px;left:10%;right:10%;border-top:2px dashed var(--line)}
.step{position:relative;text-align:center;z-index:1}
.step b{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--brand-deep);font-family:var(--serif);font-size:17px;font-weight:800;box-shadow:0 10px 22px rgba(38,34,29,.07);margin-bottom:12px}
.step span{display:block;font-size:14.5px;font-weight:600;color:var(--ink-2)}

/* ===== 多商户入驻 ===== */
.join{background:#fff}
.join-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.join-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:28px 26px}
.join-card h3{font-family:var(--serif);font-size:18px;font-weight:800;margin-bottom:8px}
.join-card p{font-size:14px;color:var(--ink-2)}
.join-note{text-align:center;color:var(--muted);font-size:13.5px;margin-top:26px}
.join-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:22px}

/* ===== 合作商家 ===== */
.partners{background:var(--paper)}
.partner-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.ptab{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 18px;font-size:14px;font-weight:600;color:var(--ink-2);transition:all .18s ease;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.ptab:hover{border-color:var(--brand);color:var(--brand-deep)}
.ptab.active{background:var(--brand);border-color:var(--brand);color:#fff}
.partner-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0;overflow:hidden;text-align:left;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.pcard:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(216,75,0,.12);border-color:var(--brand)}
.pcard img{width:100%;aspect-ratio:4/3;object-fit:cover}
.pcard-body{display:block;padding:16px 18px 18px}
.pcard-body b{font-family:var(--serif);font-size:17px;font-weight:800;display:block;margin-bottom:3px}
.pcard-body span{font-size:13px;color:var(--muted)}
.partner-empty{background:#fff;border:1px dashed var(--line);border-radius:18px;padding:34px;text-align:center;color:var(--muted);font-size:14.5px}
.partner-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.apply-panel{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px 34px 30px}
.apply-panel h3{font-family:var(--serif);font-size:21px;font-weight:800;margin-bottom:6px}
.apply-panel>p{color:var(--muted);font-size:14px;margin-bottom:22px}
.apply-form{display:grid;gap:16px}
.af-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.af-row label,.af-full{display:grid;gap:7px;font-size:14px;font-weight:600;color:var(--ink-2)}
.af-row input,.af-row select,.af-full textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:16px;font-family:inherit;background:var(--paper);color:var(--ink)}
.af-row input:focus,.af-row select:focus,.af-full textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,92,5,.12)}
.apply-form .btn{justify-self:start}

/* ===== 企业文化 / 首页 ===== */
.culture{background:#fff}
.culture-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.brand-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.brand-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;display:grid;gap:10px}
.brand-card h3{font-family:var(--serif);font-size:19px;font-weight:800}
.brand-card p{color:var(--ink-2);font-size:14px}
.brand-card .btn{justify-self:start}

/* ===== 弹窗 ===== */
.modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:20px}
.modal[hidden]{display:none}
.modal-mask{position:absolute;inset:0;background:rgba(30,27,23,.5);backdrop-filter:blur(3px)}
.modal-box{position:relative;background:#fff;border-radius:22px;max-width:520px;width:100%;padding:30px 30px 26px;box-shadow:0 30px 70px rgba(30,27,23,.28)}
.modal-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:var(--paper);color:var(--ink-2);font-size:20px;line-height:1;display:grid;place-items:center;border:1px solid var(--line)}
.modal-close:hover{color:var(--brand-deep);border-color:var(--brand)}
.modal-box img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;margin-bottom:16px}
.modal-box h3{font-family:var(--serif);font-size:22px;font-weight:800}
.modal-box .pm-cat{font-size:13px;color:var(--brand-deep);background:var(--brand-soft);display:inline-block;border-radius:999px;padding:3px 12px;margin:8px 0 10px}
.modal-box .pm-desc{color:var(--ink-2);font-size:14.5px;margin-bottom:22px}
.pm-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 关于我们 ===== */
.about{background:#fff}
.about-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}
.about-story p{color:var(--ink-2);font-size:15.5px}
.about-note{margin-top:26px;font-size:14px;color:var(--muted);border-left:3px solid var(--brand);padding-left:14px}
.principles{display:grid;gap:16px}
.principle{display:flex;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px 24px}
.principle svg{width:24px;height:24px;color:var(--brand);flex:none;margin-top:3px}
.principle b{display:block;font-size:16.5px;font-weight:700;margin-bottom:4px}
.principle span{font-size:14px;color:var(--ink-2)}

/* ===== 合作洽谈 ===== */
.contact{padding:92px 0}
.join-split{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;margin-top:56px;align-items:stretch}
.join-split .contact-panel{margin-top:0;padding:46px 48px;flex-direction:column;align-items:flex-start;justify-content:center;gap:22px}
.contact-panel--outline{background:#fff;border:2px solid rgba(242,92,5,.22);box-shadow:0 20px 45px rgba(242,92,5,.10)}
.contact-panel--outline h2{color:var(--brand-deep)}
.contact-panel--outline p{color:#57504A}
.contact-panel--outline .btn-o{background:var(--brand);color:#fff;border-color:var(--brand)}
.contact-panel--outline .btn-o:hover{background:var(--brand-deep);border-color:var(--brand-deep)}
.contact-panel--outline .btn-light{background:#FDFAF4;color:var(--brand-deep);border:1.5px solid rgba(242,92,5,.35)}
.contact-panel--outline .btn-light:hover{background:var(--brand-soft)}
.contact-panel{background:linear-gradient(120deg,var(--brand) 0%,#FF8A3D 100%);border-radius:30px;padding:56px 60px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:0 30px 60px rgba(242,92,5,.24);margin-top:56px}
.contact-copy h2{color:#fff}
.contact-copy p{color:rgba(255,255,255,.88);margin-top:12px;font-size:15px}
.contact-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-light{background:#fff;color:var(--brand-deep);border-radius:13px;padding:13px 24px;font-weight:600;font-size:15px;transition:background .18s ease}
.btn-light:hover{background:var(--brand-soft)}
.btn-o{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);border-radius:13px;padding:12px 23px;font-weight:600;font-size:15px;transition:background .18s ease,border-color .18s ease}
.btn-o:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ===== 页脚 ===== */
.footer{background:#1E1B17;color:#C9C2B8;padding:52px 0 26px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand b{color:#fff;font-size:17px;display:block}
.footer-brand p{font-size:12.5px;color:#9A9187;margin-top:2px}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap}
.footer-nav a{font-size:14px}
.footer-nav a:hover{color:#fff}
.footer-bottom{margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#9A9187}

/* ===== 页脚公司信息与协议链接 ===== */
.footer-legal{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px 26px;font-size:13px;color:#9A9187}
.footer-links{display:inline-flex;gap:18px}
.footer-links a{color:#9A9187;font-size:12.5px}
.footer-links a:hover{color:#fff}

/* ===== 表单：同意协议勾选 ===== */
.af-agree{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:var(--ink-2);font-weight:500;cursor:pointer;line-height:1.6}
.af-agree input{width:17px;height:17px;margin-top:2px;flex:none;accent-color:var(--brand)}
.af-agree a{color:var(--brand);font-weight:600;text-decoration:underline}

/* ===== 联系方式卡（合作洽谈页） ===== */
.contact-info{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:860px){.contact-info{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.contact-info{grid-template-columns:1fr}}
.ci-item{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.ci-item span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:600}
.ci-item b{font-size:15px;font-weight:700;color:var(--ink);word-break:break-all}

/* ===== 合规正文页（隐私政策 / 用户协议） ===== */
.legal{padding-top:8px}
.legal-body{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:44px 52px}
.legal-body h2{font-size:19px;font-weight:800;color:var(--ink);margin:30px 0 12px;font-family:var(--serif);letter-spacing:.3px}
.legal-body h2:first-child{margin-top:0}
.legal-body p{font-size:15px;line-height:1.95;color:var(--ink-2);margin-bottom:6px}
@media(max-width:560px){.legal-body{padding:28px 22px}}

/* ===== 提示气泡 ===== */
.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(12px);background:var(--ink);color:#fff;padding:13px 22px;border-radius:13px;font-size:14px;box-shadow:0 16px 34px rgba(38,34,29,.3);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:99;max-width:86vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== 滚动揭示 ===== */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero{padding-top:128px}
  .service-split{grid-template-columns:1fr;gap:24px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .about-inner{grid-template-columns:1fr;gap:40px}
}
@media(max-width:860px){
  .nav-links{position:fixed;top:68px;left:0;right:0;background:var(--paper);flex-direction:column;gap:0;padding:8px 24px 16px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 2px;border-bottom:1px solid var(--line);font-size:16px}
  .nav-links a.active::after{display:none}
  .nav-cta{display:none}
  .nav-burger{display:grid;width:44px;height:44px}
  .brand{min-height:44px}
  .strip-inner{grid-template-columns:repeat(2,1fr)}
  .join-split{grid-template-columns:1fr}
  .contact-panel{padding:44px 30px}
  .footer-nav a{min-height:44px;display:inline-flex;align-items:center}
  .culture-grid{grid-template-columns:1fr}
  .brand-cards{grid-template-columns:1fr}
}
@media(max-width:560px){
  .section{padding:64px 0}
  .join-grid{grid-template-columns:1fr}
  .af-row{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero{padding-top:118px}
  .page-hero{padding-top:112px}
  .pill,.eyebrow{font-size:14px}
  .srv-card{flex-direction:column;gap:12px}
}