:root { --ink:#17212b; --muted:#65717b; --paper:#f8f7f3; --warm:#efe7d5; --line:#d7d8d4; --red:#a62422; --navy:#15222d; --white:#fffefa; --gold:#c99b47; --container:1180px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif; line-height:1.7; }
a { color:inherit; text-decoration:none; } button { font:inherit; }
.container { width:min(var(--container),calc(100% - 64px)); margin:0 auto; }
.topline { background:var(--navy); color:rgba(255,255,255,.68); font-size:11px; letter-spacing:.08em; }
.topline-inner { height:33px; display:flex; align-items:center; justify-content:space-between; } .topline-meta { color:rgba(255,255,255,.45); }
.site-header { position:absolute; inset:33px 0 auto; z-index:10; border-bottom:1px solid rgba(255,255,255,.2); color:var(--white); transition:background .3s,color .3s,box-shadow .3s; }
.site-header.scrolled { position:fixed; top:0; background:rgba(248,247,243,.96); color:var(--ink); border-bottom-color:var(--line); box-shadow:0 5px 20px rgba(21,34,45,.06); }
.header-inner { min-height:88px; display:flex; align-items:center; gap:40px; }
.brand { display:flex; align-items:center; gap:12px; flex-shrink:0; } .brand img { width:46px; height:46px; object-fit:cover; border-radius:50%; }
.brand-copy { display:flex; flex-direction:column; line-height:1.1; } .brand-copy strong { font-size:20px; letter-spacing:.16em; font-weight:600; } .brand-copy small { margin-top:5px; font-size:8px; letter-spacing:.18em; opacity:.65; }
.main-nav { margin-left:auto; display:flex; align-items:center; gap:32px; } .nav-link { position:relative; padding:31px 0 29px; font-size:13px; color:inherit; opacity:.72; transition:opacity .2s; }
.nav-link::after { content:""; position:absolute; left:0; right:0; bottom:21px; height:2px; background:var(--gold); transform:scaleX(0); transition:transform .2s; } .nav-link:hover,.nav-link.active { opacity:1; } .nav-link.active::after { transform:scaleX(1); }
.header-cta { display:inline-flex; align-items:center; gap:15px; font-size:12px; letter-spacing:.04em; } .header-cta i { display:grid; width:32px; height:32px; place-items:center; border:1px solid currentColor; border-radius:50%; font-style:normal; transition:background .2s,color .2s; } .header-cta:hover i { background:var(--red); color:#fff; border-color:var(--red); }
.menu-toggle { display:none; background:transparent; border:0; color:inherit; padding:8px; } .menu-toggle span { display:block; width:24px; height:1px; margin:5px 0; background:currentColor; }
.hero { min-height:720px; position:relative; overflow:hidden; background:var(--navy); color:var(--white); }
.hero-grid { position:absolute; inset:0; opacity:.12; background-image:linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px); background-size:96px 96px; mask-image:linear-gradient(to right,#000 0%,transparent 88%); }
.hero-grid::after { content:""; position:absolute; top:0; right:21%; width:1px; height:100%; background:rgba(255,255,255,.16); }
.hero-inner { min-height:720px; padding-top:150px; display:grid; grid-template-columns:1.03fr .97fr; align-items:center; gap:60px; }
.hero-copy { padding-bottom:30px; } .eyebrow { display:flex; align-items:center; gap:10px; margin:0 0 23px; color:var(--red); font-size:11px; letter-spacing:.18em; font-weight:700; } .eyebrow span { width:26px; height:1px; background:currentColor; }
.hero .eyebrow { color:#e0b768; } .hero h1 { margin:0; font-size:clamp(44px,5.6vw,76px); line-height:1.2; letter-spacing:-.04em; font-weight:500; } h1 em,h2 em { color:#d5a44d; font-style:normal; }
.hero-desc { max-width:420px; margin:26px 0 36px; color:rgba(255,255,255,.68); font-size:15px; line-height:2; } .hero-actions { display:flex; align-items:center; gap:30px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:25px; min-width:174px; padding:13px 20px; font-size:12px; } .btn-primary { background:var(--red); color:#fff; transition:background .2s,transform .2s; } .btn-primary span { font-size:20px; line-height:0; } .btn-primary:hover { background:#bd302d; transform:translateY(-2px); }
.text-link { font-size:12px; color:rgba(255,255,255,.72); } .text-link span { color:#d5a44d; margin-left:8px; font-size:17px; }
.hero-visual { position:relative; max-width:480px; width:100%; justify-self:end; } .visual-frame { position:relative; padding:26px 28px 28px; border:1px solid rgba(255,255,255,.3); background:rgba(11,22,31,.38); }
.visual-frame::before,.visual-frame::after { content:""; position:absolute; width:38px; height:38px; border-color:#d5a44d; border-style:solid; } .visual-frame::before { left:-1px; top:-1px; border-width:2px 0 0 2px; } .visual-frame::after { right:-1px; bottom:-1px; border-width:0 2px 2px 0; }
.visual-caption { display:flex; justify-content:space-between; align-items:center; color:rgba(255,255,255,.52); font-size:9px; letter-spacing:.16em; } .visual-caption strong { color:#e1b665; font-size:11px; letter-spacing:.25em; font-weight:400; }
.mark-wrap { width:min(100%,340px); aspect-ratio:1; margin:26px auto 15px; border-radius:50%; overflow:hidden; box-shadow:0 0 0 12px rgba(201,155,71,.07),0 22px 40px rgba(0,0,0,.28); } .mark-wrap img { display:block; width:100%; height:100%; object-fit:cover; }
.visual-note { text-align:center; color:rgba(255,255,255,.6); font-size:11px; letter-spacing:.28em; } .hero-index { display:flex; align-items:center; gap:15px; margin-top:17px; color:rgba(255,255,255,.45); } .hero-index b { color:#e1b665; font-size:20px; font-weight:400; } .hero-index span { font-size:9px; letter-spacing:.25em; }
.scroll-cue { position:absolute; bottom:25px; left:max(32px,calc((100% - var(--container)) / 2)); display:flex; align-items:center; gap:16px; color:rgba(255,255,255,.4); font-size:9px; letter-spacing:.22em; } .scroll-cue i { color:#d5a44d; font-size:21px; font-style:normal; }
.section { padding:125px 0; } .intro { background:var(--paper); } .intro-grid { display:grid; grid-template-columns:1fr 1.1fr; gap:100px; }
.section-heading h2,.section-top h2,.contact h2 { margin:0; font-size:clamp(34px,4vw,54px); line-height:1.3; letter-spacing:-.035em; font-weight:500; } .heading-rule { width:56px; height:3px; margin-top:31px; background:var(--red); }
.intro-body { padding-top:43px; max-width:540px; } .intro-body p { margin:0 0 20px; color:var(--muted); font-size:14px; line-height:2; } .intro-body .lead { margin-bottom:18px; color:var(--ink); font-size:19px; line-height:1.9; }
.arrow-link { display:inline-flex; align-items:center; gap:20px; margin-top:18px; color:var(--red); font-size:12px; font-weight:700; } .arrow-link span { font-size:19px; }
.metrics { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:100px; padding-top:25px; border-top:1px solid var(--line); } .metric { display:flex; flex-direction:column; gap:7px; } .metric strong { color:var(--red); font-size:23px; font-weight:400; } .metric span { color:var(--muted); font-size:12px; }
.business { background:#eee9df; } .section-top { display:flex; justify-content:space-between; align-items:flex-end; gap:40px; } .section-summary { max-width:320px; margin:0 0 8px; color:var(--muted); font-size:13px; line-height:2; }
.business-list { margin-top:68px; border-top:1px solid #c9c9c2; } .business-item { min-height:156px; display:grid; grid-template-columns:90px 68px 1fr 35px; align-items:center; gap:27px; border-bottom:1px solid #c9c9c2; transition:padding .25s,background .25s; } .business-item:hover { padding:0 22px; background:rgba(255,255,255,.35); }
.business-number { align-self:start; padding-top:29px; color:var(--red); font-size:15px; } .business-icon { display:grid; width:54px; height:54px; place-items:center; border:1px solid var(--gold); border-radius:50%; color:var(--red); font-size:24px; } .business-content h3 { margin:0 0 4px; font-size:21px; font-weight:500; } .business-content p { margin:0; color:var(--muted); font-size:13px; } .item-arrow { color:var(--red); font-size:25px; transition:transform .25s; } .business-item:hover .item-arrow { transform:translateX(7px); }
.values { background:var(--navy); color:var(--white); } .values-grid { display:grid; grid-template-columns:1fr 1fr; gap:130px; } .eyebrow-light { color:#d5a44d; } .values h2 { margin:0 0 30px; font-size:clamp(36px,4vw,56px); line-height:1.3; font-weight:500; } .values-copy>p:last-child { max-width:350px; margin:0; color:rgba(255,255,255,.58); font-size:14px; line-height:2; }
.values-list { border-top:1px solid rgba(255,255,255,.23); } .value-row { display:grid; grid-template-columns:50px 1fr; gap:27px; padding:26px 0 25px; border-bottom:1px solid rgba(255,255,255,.23); } .value-row>span { color:#d5a44d; font-size:13px; } .value-row h3 { margin:0 0 4px; font-size:20px; font-weight:500; } .value-row p { margin:0; color:rgba(255,255,255,.55); font-size:13px; line-height:1.8; }
.contact { background:var(--warm); } .contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:130px; align-items:center; } .contact h2 { margin-bottom:25px; } .contact-copy>p:last-child { max-width:360px; margin:0; color:var(--muted); font-size:14px; line-height:2; }
.contact-details { border-top:1px solid #c8c1b2; } .contact-line { min-height:78px; display:grid; grid-template-columns:100px 1fr 22px; align-items:center; gap:25px; border-bottom:1px solid #c8c1b2; } .contact-label { color:var(--muted); font-size:12px; } .contact-line strong { font-size:15px; font-weight:500; letter-spacing:.03em; } .contact-line i { color:var(--red); font-size:20px; font-style:normal; }
.site-footer { padding:40px 0 20px; background:#111a22; color:rgba(255,255,255,.68); } .footer-main { min-height:95px; display:flex; align-items:center; justify-content:space-between; gap:30px; } .footer-brand { display:flex; align-items:center; gap:12px; color:var(--white); } .footer-brand img { width:43px; height:43px; border-radius:50%; object-fit:cover; } .footer-brand div { display:flex; flex-direction:column; line-height:1.2; } .footer-brand strong { font-size:17px; letter-spacing:.15em; font-weight:500; } .footer-brand small { margin-top:5px; font-size:8px; letter-spacing:.17em; opacity:.55; } .footer-main>p { margin:0; color:rgba(255,255,255,.43); font-size:12px; } .back-top { display:flex; align-items:center; gap:10px; color:#d5a44d; font-size:20px; } .back-top span { color:rgba(255,255,255,.45); font-size:9px; letter-spacing:.18em; } .footer-bottom { display:flex; justify-content:space-between; padding-top:20px; border-top:1px solid rgba(255,255,255,.14); color:rgba(255,255,255,.32); font-size:10px; letter-spacing:.04em; }
.reveal { opacity:0; transform:translateY(22px); transition:opacity .65s ease,transform .65s ease; } .reveal.is-visible { opacity:1; transform:translateY(0); } .reveal-delay { transition-delay:.12s; } .reveal-delay-1 { transition-delay:.08s; } .reveal-delay-2 { transition-delay:.16s; }
@media (max-width:900px) { .container { width:min(var(--container),calc(100% - 40px)); } .header-inner { min-height:76px; gap:20px; } .main-nav { display:none; position:absolute; top:76px; left:0; right:0; padding:12px 20px 20px; flex-direction:column; align-items:stretch; gap:0; background:var(--navy); color:var(--white); box-shadow:0 12px 20px rgba(0,0,0,.1); } .site-header.scrolled .main-nav { background:var(--paper); color:var(--ink); } .main-nav.open { display:flex; } .nav-link { padding:13px 0; border-bottom:1px solid rgba(255,255,255,.12); } .site-header.scrolled .nav-link { border-bottom-color:var(--line); } .nav-link::after { bottom:0; left:0; right:auto; width:28px; } .menu-toggle { display:block; margin-left:auto; } .header-cta { display:none; } .hero-inner { grid-template-columns:1fr; gap:45px; padding-top:145px; padding-bottom:105px; } .hero { min-height:auto; } .hero-visual { justify-self:start; max-width:410px; } .scroll-cue { left:20px; } .intro-grid,.values-grid,.contact-grid { grid-template-columns:1fr; gap:45px; } .intro-body { padding-top:0; } .metrics { margin-top:65px; } .values-grid,.contact-grid { gap:60px; } }
@media (max-width:580px) { .container { width:calc(100% - 36px); } .topline-meta { display:none; } .topline-inner { height:29px; font-size:10px; } .site-header { top:29px; } .brand-copy strong { font-size:17px; } .brand img { width:40px; height:40px; } .hero-inner { padding-top:128px; } .hero h1 { font-size:43px; } .hero-desc { font-size:13px; } .hero-actions { gap:18px; flex-wrap:wrap; } .btn { min-width:158px; } .visual-frame { padding:19px 18px 21px; } .mark-wrap { width:min(100%,260px); } .section { padding:82px 0; } .section-heading h2,.section-top h2,.contact h2,.values h2 { font-size:38px; } .intro-body .lead { font-size:17px; } .metrics { grid-template-columns:repeat(2,1fr); row-gap:24px; margin-top:52px; } .section-top { display:block; } .section-summary { margin-top:22px; } .business-list { margin-top:42px; } .business-item { min-height:140px; grid-template-columns:40px 50px 1fr; gap:13px; } .business-item:hover { padding:0; } .business-number { padding-top:24px; font-size:12px; } .business-icon { width:43px; height:43px; font-size:19px; } .business-content h3 { font-size:17px; } .business-content p { font-size:12px; line-height:1.7; } .item-arrow { display:none; } .value-row { gap:16px; grid-template-columns:35px 1fr; } .contact-line { grid-template-columns:74px 1fr 18px; gap:10px; } .contact-line strong { font-size:12px; } .footer-main { align-items:flex-start; flex-wrap:wrap; } .footer-main>p { width:100%; order:3; } .footer-bottom { gap:8px; flex-direction:column; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { transition-duration:.01ms !important; animation-duration:.01ms !important; } }

/* Technology information and payment dialog */
section[id]{scroll-margin-top:90px}.tech-wrap img{display:block;width:100%;height:auto;margin:20px 0}.news{background:#eee9df}.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:48px}.news-card{background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden}.news-art{height:150px;background:var(--navy);position:relative;display:flex;align-items:center;justify-content:space-between;padding:30px;color:#e1b665;background-image:repeating-linear-gradient(45deg,transparent,transparent 23px,#ffffff09 24px,#ffffff09 25px)}.news-art span{font-size:62px;font-weight:300;opacity:.6}.news-art b{font-size:18px;letter-spacing:.18em}.art-02{background-color:#284c50}.art-03{background-color:#373c54}.news-body{padding:26px;display:flex;flex-direction:column;flex:1}.news-tag{font-size:11px!important;color:var(--red)!important;letter-spacing:.08em}.news-body h3{margin:7px 0 16px;font-size:21px;line-height:1.5}.article-title{padding:0;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer}.article-title:hover{color:var(--red)}.news-body p{font-size:13px;color:var(--muted);line-height:1.9;margin:0 0 15px}.news-topics{font-size:12px;color:var(--muted);padding:15px 0;border-top:1px solid var(--line);margin-top:auto}.news-more{display:flex;justify-content:space-between;align-items:center;background:none;border:0;border-top:1px solid var(--line);padding:17px 0 0;color:var(--red);font-size:14px;cursor:pointer}.news-more span{font-size:22px}.contact-line{grid-template-columns:74px minmax(0,1fr);padding:18px 0}.contact-line strong{overflow-wrap:anywhere}button:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:5px}#payment-dialog{width:min(460px,calc(100% - 32px));max-height:calc(100dvh - 40px);overflow:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper);padding:32px;color:var(--ink);box-shadow:0 25px 90px #0005}#payment-dialog::backdrop{background:#101b2bd9}#payment-dialog h2{font-size:25px;margin:0 0 10px}#payment-dialog .eyebrow{margin-bottom:14px}.dialog-close{position:absolute;right:15px;top:10px;width:40px;height:40px;font-size:30px;background:none;border:0;cursor:pointer;color:var(--muted)}#selected-article{font-size:15px;margin:0 0 18px}.payment-provider{color:#1677ff;text-align:center;font-weight:700}.payment-qr{display:block;width:min(245px,100%);height:auto;margin:12px auto 18px;background:white;border:10px solid white}#payment-description,.payment-note{font-size:13px;color:var(--muted);line-height:1.8}.payment-note{font-size:12px}.payment-contact{color:var(--red);font-size:14px}body.dialog-open{overflow:hidden}@media(max-width:900px){.news-grid{grid-template-columns:1fr}.news-card{display:grid;grid-template-columns:180px minmax(0,1fr)}.news-art{height:100%;flex-direction:column;justify-content:center;gap:18px}}@media(max-width:580px){.news-card{display:flex}.news-art{height:120px;flex-direction:row;justify-content:space-between}.news-body{padding:22px}#payment-dialog{padding:26px 22px}.contact-line{gap:14px}}

.payment-email{display:inline-block;margin:4px 0 14px;color:var(--red);font-size:14px;overflow-wrap:anywhere}

/* Expanded merchant navigation */
@media(min-width:901px){.main-nav{gap:20px}.header-inner{gap:24px}.header-cta{display:none}.nav-link{white-space:nowrap}}