:root{--dark-stage:#09080b;--dark-face:#111015;--rim-gold:#f4c46b;--rim-warm:#ffdf9e;--lilac:#ece6f8;--deep:#1d1431;--ink:#16141a;--muted:#5c5668}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--rim-gold);outline-offset:3px}
.skip{position:absolute;left:12px;top:8px;background:#fff;padding:8px 12px;transform:translateY(-150%);z-index:50}
.skip:focus{transform:none}
.wrap{width:min(1140px,calc(100% - 40px));margin:0 auto}
.topbar{height:65px;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:20px;padding:0 24px;background:var(--lilac);border-bottom:1px solid rgba(22,20,26,.12)}
.logo{font-weight:760;letter-spacing:.02em;white-space:nowrap}
.nav{display:flex;gap:24px;margin:0 auto;font-size:14px;font-weight:660}
.nav a[aria-current="page"]{text-decoration:underline;text-underline-offset:6px}
.top-btn,.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 16px;border:1.5px solid var(--ink);background:#fff;color:var(--ink);font-weight:700;white-space:nowrap}
.btn-outline{background:transparent;color:var(--rim-gold);border:1.5px solid var(--rim-gold)}
.menu{display:none;margin-left:auto;min-height:40px;padding:8px 12px;border:1.5px solid var(--ink);background:#fff;font:inherit}
.hero{background:var(--lilac);text-align:center;padding:70px 0 86px}
.eyebrow{margin:0 0 12px;font-size:12px;letter-spacing:.18em;color:var(--muted)}
h1{margin:0 auto;max-width:19em;font-size:clamp(31px,4.4vw,50px);line-height:1.22;font-weight:680;letter-spacing:-.025em}
.lead{max-width:40em;margin:16px auto 0;color:var(--muted);font-size:17px}
/* 侧光轮廓：暗场 + 左侧金色掠射光 + 正面近黑、金色轮廓四词 */
.rim-stage{position:relative;margin:46px auto 0;max-width:1040px;padding:42px 32px;border-radius:18px;background:
  radial-gradient(ellipse 34% 88% at 0% 50%,rgba(244,196,107,.32),transparent 72%),
  linear-gradient(90deg,rgba(244,196,107,.16) 0%,var(--dark-stage) 22%,#060508 100%);
  border-left:4px solid var(--rim-gold);box-shadow:0 26px 56px rgba(9,8,11,.32)}
.rim-header{display:flex;justify-content:space-between;font-size:11px;letter-spacing:.2em;color:var(--rim-gold);margin-bottom:26px}
.rim-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:left}
.rim-block{position:relative;padding:22px 18px;background:var(--dark-face);border-left:3px solid var(--rim-gold);border-top:1px solid rgba(244,196,107,.38);box-shadow:-10px 0 24px -8px rgba(244,196,107,.45),inset 14px 0 24px -14px rgba(244,196,107,.24)}
.rim-block span{display:block;font-size:10px;letter-spacing:.18em;color:var(--rim-gold);margin-bottom:8px}
.rim-block h2{margin:0 0 8px;font-size:21px;font-weight:800;color:#141218;-webkit-text-stroke:1.1px var(--rim-gold);text-shadow:-1.5px 0 0 var(--rim-warm),-4px 0 12px rgba(244,196,107,.55);letter-spacing:.02em;word-break:keep-all}
.rim-block p{margin:0;font-size:13px;color:#c8beae}
.rim-subshadow{margin-top:24px;padding-top:12px;border-top:1px solid rgba(244,196,107,.22);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:#8c8273;letter-spacing:.08em}
.band{padding:74px 0}
.band h2{margin:0 0 10px;font-size:clamp(25px,3vw,38px);line-height:1.3;font-weight:660;letter-spacing:-.02em}
.sub{margin:0 0 28px;max-width:42em;color:var(--muted)}
.white{background:#fff}
.lilac{background:var(--lilac)}
.deep{background:var(--deep);color:#f7f4ff}
.deep .sub,.deep p{color:#d5cbe8}
.center{text-align:center}
.center .sub{margin-left:auto;margin-right:auto}
.logos{display:flex;justify-content:center;gap:16px 22px;flex-wrap:wrap;margin:0;padding:8px 0 0;list-style:none}
.logos li{min-width:142px;padding:14px 16px;background:var(--dark-stage);color:var(--rim-warm);border-left:3px solid var(--rim-gold);box-shadow:-6px 0 16px -4px rgba(244,196,107,.45);font-weight:750;letter-spacing:.08em;font-size:13px}
.rim-card{background:linear-gradient(96deg,rgba(244,196,107,.14) 0%,var(--dark-face) 28%,var(--dark-stage) 100%);color:#e8decb;padding:24px 22px;border-left:3px solid var(--rim-gold);border-top:1px solid rgba(244,196,107,.34);box-shadow:-8px 0 22px -6px rgba(244,196,107,.35);display:flex;flex-direction:column;justify-content:space-between;min-height:188px}
.rim-kicker{font-size:11px;letter-spacing:.16em;color:var(--rim-gold);margin-bottom:10px;display:block}
.rim-card h2,.rim-card h3{margin:0 0 8px;font-size:20px;color:var(--rim-warm);text-shadow:-1.5px 0 8px rgba(244,196,107,.45)}
.rim-card p{margin:0;color:#cfc4b2;font-size:14px}
.photo-rim{max-width:920px;margin:10px auto 0;padding:18px;background:var(--dark-stage);border-radius:16px;border-left:4px solid var(--rim-gold);box-shadow:-12px 0 28px -6px rgba(244,196,107,.42)}
.icons,.scene,.price{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.list{margin:0;padding:0;list-style:none}
.list li{padding:10px 0;border-bottom:1px solid rgba(22,20,26,.15)}
.slider{position:relative}
.track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 2px 18px;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.slide{flex:0 0 min(330px,86%);scroll-snap-align:start}
.round-rim{border-radius:26px}
.arrows{display:flex;gap:8px;margin-top:6px}
.arrows button{min-height:38px;padding:6px 12px;border:1.5px solid var(--ink);background:#fff;font:inherit;cursor:pointer}
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1.5px solid var(--ink);border-left:6px solid var(--rim-gold);padding:16px 20px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin:10px 0 0;color:var(--muted)}
.foot{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px;padding:56px 0 26px}
.foot b{display:block;margin-bottom:10px;color:#fff}
.foot a{display:block;margin:8px 0;font-size:14px;color:#f7f4ff}
.legal{padding-bottom:28px;font-size:12px;color:#c2b7da}
.page-hero{padding:60px 0 42px;background:var(--lilac)}
.page-hero h1{margin:0;text-align:left;font-size:clamp(30px,4vw,46px)}
.crumbs{margin:0 0 12px;font-size:13px;color:var(--muted)}
.prose{max-width:760px}
.prose h2{margin:26px 0 8px;font-size:25px}
.table{width:100%;border-collapse:collapse;background:#fff;border:1.5px solid var(--ink)}
.table th,.table td{padding:12px 14px;border:1px solid rgba(22,20,26,.18);text-align:left;font-size:14px}
.table th{background:var(--dark-stage);color:var(--rim-warm);border-bottom:2px solid var(--rim-gold)}
.later{content-visibility:auto;contain-intrinsic-size:auto 540px}
@media(max-width:860px){
  .nav{display:none;position:absolute;top:65px;left:0;right:0;flex-direction:column;gap:0;background:var(--lilac);border-bottom:1px solid rgba(22,20,26,.12);padding:8px 0 12px}
  .nav.open{display:flex}
  .nav a{padding:12px 24px}
  .menu{display:inline-flex}
  .top-btn{display:none}
  .rim-grid,.icons,.scene,.price,.split,.foot{grid-template-columns:1fr}
  .hero{padding:48px 0 64px}
}
@media(prefers-reduced-motion:reduce){
  html,.track{scroll-behavior:auto}
}