:root{--black:#11100e;--black-2:#191713;--gold:#bc9152;--gold-light:#e4c48e;--ivory:#f5f1e9;--paper:#ebe5da;--text:#24211c;--muted:#746d62;--line:rgba(39,34,27,.14);--max:1120px;--serif:"Songti SC","STSong","Noto Serif SC",serif}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--black);scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--ivory);color:var(--text);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}
header{position:sticky;top:0;z-index:20;background:rgba(17,16,14,.97);border-bottom:1px solid rgba(255,255,255,.1)}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;color:#fff;gap:28px}.brand{display:flex;align-items:center;gap:12px}.brand img{width:44px;height:44px;object-fit:cover;border:1px solid rgba(228,196,142,.38)}.brand strong{font-family:var(--serif);font-size:18px;letter-spacing:.1em}.links{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.links a{font-size:13px;color:rgba(255,255,255,.7)}.links a:hover,.links a[aria-current="page"]{color:var(--gold-light)}.phone{padding:8px 14px;border:1px solid rgba(228,196,142,.5);color:var(--gold-light)!important}
.hero{padding:94px 0 78px;background:linear-gradient(125deg,#0c0b09 25%,#1b1813 100%);color:#fff}.eyebrow{color:var(--gold-light);font-size:11px;font-weight:700;letter-spacing:.26em;text-transform:uppercase}.hero h1{max-width:820px;margin-top:18px;font-family:var(--serif);font-size:clamp(40px,6vw,66px);font-weight:500;line-height:1.2}.hero p:last-child{max-width:760px;margin-top:24px;color:rgba(255,255,255,.64);font-size:16px}
.nav{column-gap:24px}.links{margin-left:auto}.nav-actions{display:flex;align-items:center;gap:24px;flex-shrink:0}.nav-article{display:inline-flex;align-items:center;padding:0;border:0;color:rgba(255,255,255,.7);font-size:13px;white-space:nowrap}.nav-article:hover,.nav-article[aria-current="page"]{color:var(--gold-light)}
@media(max-width:380px){.nav-actions .phone{display:none}}
.breadcrumbs{padding:18px 0;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.breadcrumbs ol{list-style:none;display:flex;gap:9px;flex-wrap:wrap}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:9px;color:#b7ac9c}.breadcrumbs a:hover{color:var(--gold)}
.section{padding:78px 0}.section.alt{background:var(--paper)}.section h2{font-family:var(--serif);font-size:clamp(28px,4vw,42px);font-weight:500;line-height:1.35}.lead{max-width:780px;margin-top:18px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}.card{display:flex;flex-direction:column;min-height:230px;padding:28px;border:1px solid var(--line);background:rgba(255,255,255,.35)}.card .no{font-size:11px;color:var(--gold);letter-spacing:.15em}.card h2,.card h3{margin-top:22px;font-family:var(--serif);font-size:23px;font-weight:500}.card p{margin-top:12px;color:var(--muted);font-size:14px}.card .more{margin-top:auto;padding-top:22px;color:var(--gold);font-size:13px}.card:hover{border-color:rgba(188,145,82,.7);background:rgba(255,255,255,.65)}
.prose{max-width:820px}.prose h2{margin-top:48px}.prose h2:first-child{margin-top:0}.prose p{margin-top:17px;color:var(--muted)}.prose ul{margin:18px 0 0 1.2em;color:var(--muted)}.prose li+li{margin-top:8px}.note{margin-top:32px;padding:22px 25px;border-left:2px solid var(--gold);background:var(--paper);color:var(--muted)}
.contact-details{display:grid;grid-template-columns:1fr 320px;gap:56px;align-items:center}.contact-list{margin-top:24px;list-style:none;color:var(--muted)}.contact-list li+li{margin-top:10px}.contact-list strong{color:var(--text)}.social-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.social-link{display:inline-flex;padding:9px 14px;border:1px solid var(--line);color:var(--gold);font-size:13px}.social-link:hover{border-color:var(--gold)}.channels-card{padding:18px;background:#fff;border:1px solid var(--line);text-align:center}.channels-card img{width:100%;height:auto}.channels-card strong{display:block;margin-top:14px;font-family:var(--serif);font-size:20px}.channels-card span{display:block;margin-top:4px;color:var(--muted);font-size:12px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}.tag{padding:9px 13px;border:1px solid var(--line);font-size:13px;color:var(--muted)}
details{border-top:1px solid var(--line)}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;padding:22px 42px 22px 0;font-family:var(--serif);font-size:18px;position:relative}summary::-webkit-details-marker{display:none}summary::after{content:"+";position:absolute;right:6px;color:var(--gold)}details[open] summary::after{content:"−"}details p{padding:0 48px 24px 0;color:var(--muted)}
.cta{padding:62px 0;background:var(--black);color:#fff}.cta-row{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-family:var(--serif);font-size:32px;font-weight:500}.cta p{margin-top:8px;color:rgba(255,255,255,.52)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;background:var(--gold);color:#fff;font-size:13px;letter-spacing:.08em;white-space:nowrap}
footer{padding:38px 0;background:#0a0908;color:rgba(255,255,255,.45);font-size:12px}.footer-row{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer-links a:hover{color:var(--gold-light)}.footer-nap{flex-basis:100%;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-style:normal;line-height:2}.footer-nap a{color:var(--gold-light)}
@media(max-width:900px){.nav{flex-wrap:wrap;padding:10px 0}.links{order:3;display:flex;flex:0 0 100%;gap:16px;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;padding-bottom:5px;scrollbar-width:none}.links::-webkit-scrollbar{display:none}.links a{flex:none}.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.wrap{width:calc(100% - 36px)}.nav{min-height:68px}.brand img{width:40px;height:40px}.phone{font-size:12px}.hero{padding:72px 0 58px}.hero h1{font-size:39px}.section{padding:58px 0}.grid{grid-template-columns:1fr}.contact-details{grid-template-columns:1fr;gap:32px}.channels-card{max-width:360px}.cta-row{align-items:flex-start;flex-direction:column}.card{min-height:auto}}

/* Entity, acceptance guide and supplied effect imagery. */
.entity-list{margin:26px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:#d6ccbc;border:1px solid #d6ccbc}.entity-list div{background:#fffdf8;padding:17px 20px}.entity-list dt{font-size:12px;color:#746d62}.entity-list dd{margin:6px 0 0;overflow-wrap:anywhere;font-weight:600}.case-context{margin:28px 0 34px;padding:26px;background:#ebe5da;border-left:3px solid #bc9152}.case-context h3{font-family:var(--serif);font-size:23px;font-weight:500;margin:0 0 12px}.case-context p{margin:10px 0;color:#62594d}.case-context a,.prose a,.note a{color:#75511f;text-decoration:underline;text-underline-offset:3px}.effects-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:32px}.effect-card{margin:0;background:#fffdf8;border:1px solid #d6ccbc}.effect-card a{display:block;background:#e6dfd5}.effect-card img{width:100%;height:330px;object-fit:cover}.effect-card figcaption{padding:16px 18px;font-size:14px;color:#62594d}.effect-card figcaption strong{display:block;color:#24211c;font-family:var(--serif);font-size:18px;font-weight:500}.mobile-menu{display:none!important}.checklist-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.checklist-nav a{padding:8px 12px;border:1px solid #c8baa6;color:#75511f}.guide-step{border-top:1px solid #d6ccbc;padding-top:10px}.guide-step h2{scroll-margin-top:110px}
@media(max-width:900px){.nav{gap:12px}.phone{margin-left:auto}}
@media(max-width:640px){.entity-list,.effects-grid{grid-template-columns:1fr}.effect-card img{height:260px}.case-context{padding:20px}.mobile-menu nav{max-height:70dvh;overflow:auto}}