:root{--r4-bg:#08090d;--r4-ink:#fff4df;--r4-dim:#b6aa98;--r4-card:#15151b;--r4-gold:#d8a34a;--r4-red:#b64533;--r4-line:rgba(255,244,223,.14);--r4-shadow:0 34px 90px rgba(0,0,0,.46)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80px 80px,rgba(216,163,74,.18),transparent 24%),linear-gradient(135deg,#08090d,#121217 52%,#09090d);color:var(--r4-ink);font-family:"Noto Serif SC","Songti SC","Microsoft YaHei",serif;overflow-x:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.rift4-page{min-height:100vh}.rift4-rail{position:fixed;inset:0 auto 0 0;width:168px;padding:34px 22px;border-right:1px solid var(--r4-line);background:rgba(8,9,13,.72);backdrop-filter:blur(16px);z-index:30;display:flex;flex-direction:column;justify-content:space-between}.rift4-mark{font-size:22px;font-weight:900;line-height:1.25;letter-spacing:.06em}.rift4-mark:before{content:"";display:block;width:42px;height:5px;margin-bottom:14px;background:var(--r4-gold)}.rift4-rail nav{display:grid;gap:16px}.rift4-rail nav a{padding:12px 0;border-bottom:1px solid var(--r4-line);font:900 16px/1 "Microsoft YaHei",sans-serif;color:var(--r4-dim)}.rift4-main{margin-left:168px;overflow:hidden}.rift4-hero{min-height:720px;padding:72px min(7vw,92px);display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,520px);gap:56px;align-items:center;background:linear-gradient(90deg,rgba(182,69,51,.2),transparent 34%),linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px);background-size:auto,100% 86px}.rift4-number{display:inline-flex;border:1px solid var(--r4-line);padding:8px 14px;color:var(--r4-gold);font:900 14px/1 Georgia,serif;letter-spacing:.24em}.rift4-hero h1{margin:24px 0 0;font-size:clamp(24px,4vw,60px);line-height:.9;letter-spacing:-.09em;max-width:780px}.rift4-hero p{max-width:720px;margin:34px 0 0;color:#efe2c9;font:800 clamp(17px,2vw,21px)/1.95 "Microsoft YaHei",sans-serif}.rift4-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.rift4-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border:1px solid var(--r4-line);background:#1b1b22;font:900 16px/1 "Microsoft YaHei",sans-serif}.rift4-actions a:first-child{background:var(--r4-gold);color:#16110b;border-color:var(--r4-gold);box-shadow:12px 12px 0 rgba(216,163,74,.16)}.rift4-poster{position:relative;border:1px solid var(--r4-line);padding:18px;background:#101116;box-shadow:var(--r4-shadow);transform:rotate(1.5deg)}.rift4-poster:before{content:"";position:absolute;inset:20px -18px -18px 20px;border:1px solid rgba(216,163,74,.34);z-index:-1}.rift4-products,.rift4-download,.rift4-route,.rift4-faq,.rift4-footer{width:min(1120px,calc(100% - 42px));margin-left:auto;margin-right:auto}.rift4-products{padding:78px 0}.rift4-block-title{display:grid;grid-template-columns:160px 1fr;gap:28px;align-items:start;margin-bottom:32px}.rift4-block-title b{color:var(--r4-gold);font:900 14px/1 "Microsoft YaHei",sans-serif;letter-spacing:.24em;text-transform:uppercase}.rift4-block-title h2,.rift4-ticket h2,.rift4-faq h2{margin:0;font-size:clamp(36px,5vw,64px);line-height:1;letter-spacing:-.06em}.rift4-block-title p{grid-column:2;margin:0;color:var(--r4-dim);font:800 17px/1.85 "Microsoft YaHei",sans-serif}.rift4-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.rift4-strip article{display:grid;grid-template-columns:94px 1fr;gap:18px;align-items:center;padding:16px;background:linear-gradient(135deg,#15151b,#0f0f14);border:1px solid var(--r4-line);box-shadow:0 18px 42px rgba(0,0,0,.22)}.rift4-strip img{width:94px;border-radius:10px}.rift4-strip h3{margin:0;font:900 21px/1.25 "Microsoft YaHei",sans-serif}.rift4-strip p{margin:8px 0 0;color:var(--r4-dim);font:800 14px/1.4 "Microsoft YaHei",sans-serif}.rift4-download{display:grid;grid-template-columns:360px 1fr;margin-bottom:88px;border:1px solid var(--r4-line);background:#111217;box-shadow:var(--r4-shadow)}.rift4-ticket{padding:42px;background:var(--r4-red)}.rift4-ticket span{font:900 13px/1 "Microsoft YaHei",sans-serif;letter-spacing:.28em;text-transform:uppercase;color:#ffe4b8}.rift4-ticket p{margin:22px 0 0;color:#ffeadd;font:800 16px/1.85 "Microsoft YaHei",sans-serif}.rift4-ticket-list{display:grid}.rift4-ticket-list a{display:grid;grid-template-columns:70px 170px 1fr;gap:20px;align-items:center;padding:30px;border-bottom:1px solid var(--r4-line)}.rift4-ticket-list a:last-child{border-bottom:0}.rift4-ticket-list i{font-style:normal;color:var(--r4-gold);font:900 24px/1 Georgia,serif}.rift4-ticket-list strong{font:900 22px/1.25 "Microsoft YaHei",sans-serif}.rift4-ticket-list em{font-style:normal;color:var(--r4-dim);font:800 15px/1.75 "Microsoft YaHei",sans-serif}.rift4-route{margin-bottom:80px}.rift4-timeline{display:grid;gap:14px}.rift4-timeline article{display:grid;grid-template-columns:72px 260px 1fr;gap:22px;align-items:center;padding:24px;border:1px solid var(--r4-line);background:rgba(255,244,223,.05)}.rift4-timeline span{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:var(--r4-gold);color:#15110d;font:900 22px/1 Georgia,serif}.rift4-timeline h3{margin:0;font:900 24px/1.25 "Microsoft YaHei",sans-serif}.rift4-timeline p{margin:0;color:var(--r4-dim);font:800 15px/1.8 "Microsoft YaHei",sans-serif}.rift4-faq{margin-bottom:88px}.rift4-faq-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.rift4-faq details{padding:24px;border:1px solid var(--r4-line);background:rgba(255,244,223,.05)}.rift4-faq summary{cursor:pointer;font:900 18px/1.45 "Microsoft YaHei",sans-serif}.rift4-faq p{color:var(--r4-dim);font:800 15px/1.8 "Microsoft YaHei",sans-serif}.rift4-footer{margin-bottom:0;padding:40px 0 46px;border-top:1px solid var(--r4-line);display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:28px;color:var(--r4-dim)}.rift4-footer strong{display:block;color:var(--r4-ink);font-size:24px;margin-bottom:12px}.rift4-footer p{margin:0;font:800 14px/1.8 "Microsoft YaHei",sans-serif}.rift4-footer nav{display:grid;grid-template-columns:repeat(2,max-content);gap:12px 28px;font:900 15px/1 "Microsoft YaHei",sans-serif}
@media (max-width:980px){.rift4-rail{position:static;width:auto;flex-direction:row;align-items:center;padding:20px 18px}.rift4-rail nav{display:flex;gap:18px;overflow:auto}.rift4-rail nav a{white-space:nowrap;border-bottom:0}.rift4-main{margin-left:0}.rift4-hero{min-height:auto;grid-template-columns:1fr;padding:54px 21px;gap:36px}.rift4-poster{transform:none}.rift4-block-title{grid-template-columns:1fr}.rift4-block-title p{grid-column:auto}.rift4-strip{grid-template-columns:1fr 1fr}.rift4-download{grid-template-columns:1fr}.rift4-ticket-list a{grid-template-columns:54px 1fr}.rift4-ticket-list em{grid-column:2}.rift4-timeline article{grid-template-columns:58px 1fr}.rift4-timeline p{grid-column:2}.rift4-faq-list,.rift4-footer{grid-template-columns:1fr}}
@media (max-width:540px){.rift4-mark{font-size:18px}.rift4-hero h1{font-size:50px}.rift4-hero p{font-size:16px}.rift4-actions a{width:100%}.rift4-strip{grid-template-columns:1fr}.rift4-products,.rift4-download,.rift4-route,.rift4-faq,.rift4-footer{width:min(100% - 24px,1120px)}.rift4-ticket{padding:30px 22px}.rift4-ticket-list a{padding:24px 20px}.rift4-poster{padding:10px}.rift4-footer nav{grid-template-columns:1fr 1fr}}