/* Membership benefits page: bright stage, member pass, four-pick-one picker. */
@property --bn-a{syntax:"<angle>";inherits:false;initial-value:0deg}
:root{--ink:#1A1F26;--ink-2:#56606B;--ink-3:#8A929B;--paper:#FBF8F3;--rule:rgba(26,31,38,.1);--red:#C8372D;--brass:#E3A93C;
 --f-cn:"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;--f-serif:"Noto Serif SC","Songti SC",serif;--f-num:"Outfit","Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.bn-page{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-num),var(--f-cn);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.bn-wrap{width:min(1200px,100% - 48px);margin-inline:auto}
.bn-sec{position:relative;padding-block:clamp(80px,10vw,140px)}
.bn-kicker{margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--red)}
.bn-head h2,.bn-end h2{margin:0;font-family:var(--f-serif);font-size:clamp(32px,4.4vw,60px);line-height:1.12;font-weight:900;letter-spacing:-.01em}
.bn-btn{all:unset;box-sizing:border-box;cursor:pointer;position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:14px;padding:16px 26px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;box-shadow:0 18px 36px -18px rgba(26,31,38,.6);transition:transform .3s,box-shadow .3s}
.bn-btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.3) 50%,transparent 70%);transform:translateX(-100%);animation:bn-sweep 3.8s 1.2s infinite}
@keyframes bn-sweep{0%,60%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
.bn-btn:hover{transform:translateY(-2px);box-shadow:0 22px 40px -18px rgba(26,31,38,.7)}
.bn-btn:focus-visible,.bn-link:focus-visible,.bn-tab:focus-visible,.bn-reel:focus-visible{outline:3px solid var(--brass);outline-offset:4px}
.bn-link{font-weight:600;color:var(--ink-2);text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:2px;transition:color .2s,border-color .2s}
.bn-link:hover{color:var(--ink);border-color:var(--ink)}

/* reveal on scroll */
.js-rv [data-rv]{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.js-rv [data-rv].in{opacity:1;transform:none}

/* hero */
.bn-hero{position:relative;overflow:hidden;isolation:isolate;min-height:min(860px,100svh);display:flex;align-items:center;padding-block:120px 90px}
.bn-aura{position:absolute;inset:0;z-index:-1;pointer-events:none}
.bn-aura i{position:absolute;width:50vw;max-width:680px;aspect-ratio:1;border-radius:50%;filter:blur(80px);opacity:.45;animation:bn-drift 20s ease-in-out infinite alternate}
.bn-aura i:nth-child(1){background:#9CCBFF;left:-12%;top:-20%}
.bn-aura i:nth-child(2){background:#FFB3A6;right:-10%;top:0;animation-duration:24s;animation-delay:-7s}
.bn-aura i:nth-child(3){background:#FFE09A;left:28%;bottom:-35%;animation-duration:22s;animation-delay:-3s}
.bn-aura i:nth-child(4){background:#A8EBC8;right:10%;bottom:-30%;animation-duration:26s;animation-delay:-11s}
@keyframes bn-drift{0%{transform:translate(0,0) scale(1)}50%{transform:translate(7vw,5vh) scale(1.15)}100%{transform:translate(-5vw,-4vh) scale(.92)}}
.bn-hero-in{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px}
.bn-badge{display:inline-flex;align-items:center;gap:8px;margin:0;padding:7px 14px 7px 10px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid var(--rule);font-size:12px;font-weight:800;letter-spacing:.14em;backdrop-filter:blur(10px)}
.bn-badge i{width:8px;height:8px;border-radius:50%;background:var(--red);animation:bn-ping 2s infinite}
@keyframes bn-ping{0%{box-shadow:0 0 0 0 rgba(200,55,45,.5)}70%,100%{box-shadow:0 0 0 10px rgba(200,55,45,0)}}
.bn-hero h1{margin:22px 0 0;font-family:var(--f-serif);font-size:clamp(46px,7vw,104px);line-height:1.04;font-weight:900;letter-spacing:-.02em}
.bn-hero h1 em{font-style:normal;background:linear-gradient(100deg,#C8372D 0%,#E3A93C 30%,#FF6B5A 55%,#7B5CFF 80%,#C8372D 100%);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:bn-hue 10s linear infinite}
@keyframes bn-hue{to{background-position:300% 0}}
.bn-lede{max-width:30em;margin:26px 0 0;font-size:clamp(16px,1.4vw,19px);color:var(--ink-2)}
.bn-actions{margin-top:36px;display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.bn-scroll{position:absolute;left:50%;bottom:28px;width:26px;height:42px;margin-left:-13px;border:1.5px solid rgba(26,31,38,.25);border-radius:14px}
.bn-scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--ink-2);animation:bn-wheel 1.8s infinite}
@keyframes bn-wheel{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* member pass */
.bn-pass-stage{position:relative;perspective:1200px;display:flex;flex-direction:column;align-items:center}
.bn-pass{position:relative;width:min(440px,100%);aspect-ratio:1.586;border-radius:24px;padding:28px;color:#fff;overflow:hidden;
 background:linear-gradient(135deg,#1E2A44 0%,#2C3E66 45%,#1A2236 100%);
 box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),0 50px 80px -40px rgba(26,31,38,.65);
 transform:rotateX(var(--rx,8deg)) rotateY(var(--ry,-14deg)) rotateZ(-2deg);transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.8,.2,1);animation:bn-hover 7s ease-in-out infinite}
@keyframes bn-hover{50%{translate:0 -14px}}
.bn-pass-foil{position:absolute;inset:-40%;background:conic-gradient(from var(--bn-a) at var(--fx,40%) var(--fy,40%),rgba(255,120,120,.35),rgba(255,220,120,.35),rgba(120,255,200,.3),rgba(120,170,255,.4),rgba(200,120,255,.35),rgba(255,120,120,.35));mix-blend-mode:color-dodge;opacity:.55;animation:bn-foil 9s linear infinite;pointer-events:none}
@keyframes bn-foil{to{--bn-a:360deg}}
.bn-pass::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.28) 48%,transparent 60%);transform:translateX(-110%);animation:bn-glint 6s 1s infinite;pointer-events:none}
@keyframes bn-glint{0%,65%{transform:translateX(-110%)}100%{transform:translateX(110%)}}
.bn-pass-top{position:relative;display:flex;justify-content:space-between;align-items:baseline}
.bn-pass-top b{font-family:var(--f-num);font-size:34px;font-weight:800;letter-spacing:.08em}
.bn-pass-top span{font-size:12px;font-weight:700;letter-spacing:.3em;opacity:.8}
.bn-pass-chip{position:relative;width:52px;height:40px;margin-top:22px;border-radius:9px;background:linear-gradient(135deg,#F6D88F,#C9A04B);box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.bn-pass-chip::before{content:"";position:absolute;inset:8px 14px;border:1px solid rgba(0,0,0,.22);border-radius:4px}
.bn-pass-name{position:absolute;left:28px;bottom:28px;font-size:13px;letter-spacing:.06em;opacity:.85}
html[lang="en"] .bn-pass-name span{display:none}
.bn-pass-perks{position:absolute;right:28px;bottom:24px;display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700}
.bn-pass-perks i{width:12px;height:12px;border-radius:50%;background:var(--c);box-shadow:0 0 0 2px rgba(255,255,255,.4)}
.bn-pass-perks span{margin-left:6px}
.bn-pass-shadow{width:70%;height:30px;margin-top:34px;border-radius:50%;background:radial-gradient(closest-side,rgba(26,31,38,.25),transparent);filter:blur(6px);animation:bn-shadow 7s ease-in-out infinite}
@keyframes bn-shadow{50%{transform:scale(.86);opacity:.7}}

/* picker */
.bn-picker{margin-top:56px;display:grid;grid-template-columns:minmax(260px,380px) 1fr;gap:28px;align-items:stretch}
.bn-tabs{display:flex;flex-direction:column;border-top:1px solid var(--rule)}
.bn-tab{all:unset;box-sizing:border-box;cursor:pointer;position:relative;display:grid;grid-template-columns:44px 1fr;grid-template-rows:auto auto;column-gap:10px;padding:22px 8px 22px 0;border-bottom:1px solid var(--rule);transition:padding .4s}
.bn-tab small{grid-row:1/3;font-family:var(--f-num);font-size:14px;font-weight:700;color:var(--ink-3);padding-top:6px;transition:color .3s}
.bn-tab b{font-family:var(--f-serif);font-size:clamp(22px,2.2vw,30px);font-weight:900;line-height:1.2;color:var(--ink-3);transition:color .3s,transform .4s}
.bn-tab em{font-style:normal;font-size:14px;color:var(--ink-3);transition:color .3s}
.bn-tab:hover b{color:var(--ink-2)}
.bn-tab[aria-selected="true"]{padding-left:14px}
.bn-tab[aria-selected="true"] small{color:var(--h2)}
.bn-tab[aria-selected="true"] b{color:var(--ink)}
.bn-tab[aria-selected="true"] em{color:var(--ink-2)}
.bn-bar{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,var(--h1),var(--h2));transform:scaleX(0);transform-origin:left}
.bn-tab[aria-selected="true"] .bn-bar{animation:bn-bar var(--bn-dur,6s) linear forwards}
.bn-picker.paused .bn-tab[aria-selected="true"] .bn-bar{animation:none;transform:scaleX(1)}
@keyframes bn-bar{to{transform:scaleX(1)}}
.bn-tab::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:2px;background:var(--h2);transform:scaleY(0);transition:transform .4s}
.bn-tab[aria-selected="true"]::before{transform:scaleY(1)}
.bn-panels{display:grid;min-height:440px}
.bn-panel{grid-area:1/1;position:relative;overflow:hidden;isolation:isolate;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(28px,4vw,52px);border-radius:32px;color:#fff;
 background:radial-gradient(90% 80% at 80% 10%,var(--h1),transparent 65%),linear-gradient(150deg,var(--h2),color-mix(in srgb,var(--h2) 55%,#0F1626));
 box-shadow:0 40px 80px -40px var(--h2)}
.bn-panel[hidden]{display:flex;opacity:0;pointer-events:none;visibility:hidden}
.bn-panel::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(400px 300px at var(--mx,70%) var(--my,30%),rgba(255,255,255,.22),transparent 70%)}
.bn-panel.on{animation:bn-in .7s cubic-bezier(.2,.8,.2,1)}
@keyframes bn-in{from{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:none}}
.bn-art{position:absolute;right:clamp(20px,5vw,64px);top:clamp(20px,4vw,48px);width:clamp(120px,18vw,230px);fill:none;stroke:rgba(255,255,255,.92);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 20px 30px rgba(0,0,0,.2));animation:bn-float 6s ease-in-out infinite}
.bn-art *{stroke-dasharray:1;stroke-dashoffset:0}
.bn-panel.on .bn-art *{animation:bn-draw 1.4s cubic-bezier(.6,0,.2,1) both}
@keyframes bn-draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes bn-float{50%{translate:0 -12px;rotate:-3deg}}
.bn-panel h3{margin:0;font-family:var(--f-serif);font-size:clamp(36px,4.6vw,64px);line-height:1.05;font-weight:900}
.bn-panel ul{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px;max-width:520px}
.bn-panel li{position:relative;padding-left:32px;font-size:clamp(15px,1.3vw,18px);font-weight:600}
.bn-panel li::before{content:"";position:absolute;left:0;top:.3em;width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.25);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.7)}
.bn-panel li::after{content:"";position:absolute;left:7px;top:calc(.3em + 4px);width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.bn-panel.on li{animation:bn-li .6s cubic-bezier(.2,.8,.2,1) both}
.bn-panel.on li:nth-child(1){animation-delay:.15s}.bn-panel.on li:nth-child(2){animation-delay:.25s}.bn-panel.on li:nth-child(3){animation-delay:.35s}
@keyframes bn-li{from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:none}}
.bn-panel>a{align-self:flex-start;margin-top:26px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);font-size:14px;font-weight:700;text-decoration:none;backdrop-filter:blur(8px);transition:background .3s}
.bn-panel>a:hover{background:rgba(255,255,255,.3)}

/* steps */
.bn-how{background:linear-gradient(#fff0,#fff 30%,#fff 70%,#fff0)}
.bn-steps{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);position:relative}
.bn-steps::before{content:"";position:absolute;left:0;right:0;top:34px;height:2px;background:linear-gradient(90deg,var(--brass),var(--red));transform:scaleX(var(--p,0));transform-origin:left;transition:transform 1.4s cubic-bezier(.6,0,.2,1)}
.bn-steps.in{--p:1}
.bn-steps::after{content:"";position:absolute;left:0;right:0;top:34px;height:1px;background:var(--rule);z-index:-1}
.bn-steps li{position:relative;padding-right:32px;display:flex;flex-direction:column;gap:6px;color:var(--ink-2)}
.bn-steps b{display:inline-flex;align-items:center;justify-content:center;width:70px;height:70px;margin-bottom:20px;border-radius:50%;background:#fff;border:1px solid var(--rule);font-family:var(--f-num);font-size:22px;font-weight:800;color:var(--ink);box-shadow:0 14px 30px -18px rgba(26,31,38,.4)}
.bn-steps li:last-child b{background:var(--ink);color:#fff;border-color:var(--ink)}
.bn-steps strong{font-size:20px;color:var(--ink)}
.bn-fine{margin:44px 0 0;font-size:14px;color:var(--ink-3)}

/* more list */
.bn-more-in{display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:60px;align-items:start}
.bn-sticky{position:sticky;top:120px}
.bn-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.bn-list li{position:relative;display:grid;grid-template-columns:48px minmax(160px,240px) 1fr;align-items:baseline;gap:16px;padding:26px 0;border-bottom:1px solid var(--rule);color:var(--ink-2);transition:padding .4s}
.bn-list li::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.bn-list li:hover{padding-left:12px}
.bn-list li:hover::after{transform:scaleX(1)}
.bn-list small{font-family:var(--f-num);font-weight:800;color:var(--red)}
.bn-list strong{font-size:20px;color:var(--ink)}

/* reels */
.bn-reel-row{margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;width:min(1200px,100% - 48px);margin-inline:auto}
.bn-reel{all:unset;box-sizing:border-box;cursor:pointer;position:relative;overflow:hidden;aspect-ratio:4/5;border-radius:28px;background:linear-gradient(160deg,#E9E2D6,#D8CFC1);box-shadow:0 30px 60px -36px rgba(26,31,38,.55)}
.bn-reel:nth-child(2){transform:translateY(40px)}
.js-rv .bn-reel:nth-child(2)[data-rv]{transform:translateY(68px)}
.js-rv .bn-reel:nth-child(2)[data-rv].in{transform:translateY(40px)}
.bn-reel video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.bn-reel:hover video{transform:scale(1.1)}
.bn-reel::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%,rgba(10,14,22,.65))}
.bn-reel-cap{position:absolute;left:22px;right:22px;bottom:22px;z-index:1;color:#fff}
.bn-reel-cap small{display:inline-block;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.2);backdrop-filter:blur(8px);font-size:12px;font-weight:700}
.bn-reel-cap b{display:block;margin-top:8px;font-family:var(--f-serif);font-size:clamp(22px,2.2vw,30px);font-weight:900}
.bn-reel-state{position:absolute;top:18px;right:18px;z-index:1;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.25);backdrop-filter:blur(8px)}
.bn-reel-state::before,.bn-reel-state::after{content:"";position:absolute;top:12px;width:3px;height:12px;border-radius:2px;background:#fff}
.bn-reel-state::before{left:13px}.bn-reel-state::after{right:13px}
.bn-reel.paused .bn-reel-state::before{left:14px;width:0;height:0;border-radius:0;background:none;border-style:solid;border-width:7px 0 7px 11px;border-color:transparent transparent transparent #fff;top:11px}
.bn-reel.paused .bn-reel-state::after{display:none}

/* end card */
.bn-end-card{position:relative;overflow:hidden;isolation:isolate;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding:clamp(32px,5vw,64px);border-radius:36px;background:#fff;box-shadow:inset 0 0 0 1px var(--rule),0 40px 80px -50px rgba(26,31,38,.4)}
.bn-end-card::before{content:"";position:absolute;inset:-2px;z-index:-1;border-radius:inherit;padding:2px;background:conic-gradient(from var(--bn-a),#6FB4FF,#FF8A7A,#FFCB6B,#7FD9A8,#6FB4FF);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:bn-foil 8s linear infinite}
.bn-end p{margin:14px 0 0;color:var(--ink-2)}
.bn-end-act{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.bn-btn b{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.14);font-family:var(--f-num);font-weight:700}
.bn-btn.copied{background:#24935C}

/* footer */
.bn-foot{padding-block:56px;border-top:1px solid var(--rule);font-size:14px;color:var(--ink-2)}
.bn-foot-in{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:32px}
.bn-foot b{color:var(--ink);font-size:16px}
.bn-foot p{margin:8px 0 0}
.bn-foot a{text-decoration:none}.bn-foot a:hover{text-decoration:underline}

@media (max-width:900px){
 .bn-wrap{width:calc(100% - 32px)}
 .bn-hero{min-height:0;padding-block:96px 70px}
 .bn-hero-in{grid-template-columns:1fr;gap:56px}
 .bn-pass{width:min(340px,88%);padding:22px}
 .bn-pass-top b{font-size:28px}.bn-pass-chip{width:44px;height:34px;margin-top:16px}.bn-pass-name{left:22px;bottom:22px;font-size:12px}.bn-pass-name span{display:none}.bn-pass-perks{right:22px;bottom:20px}
 .bn-scroll{display:none}
 .bn-picker{grid-template-columns:1fr;gap:18px;margin-top:36px}
 .bn-tabs{flex-direction:row;overflow-x:auto;scroll-snap-type:x mandatory;gap:8px;border:0;margin-inline:-16px;padding:2px 16px 6px;scrollbar-width:none}
 .bn-tabs::-webkit-scrollbar{display:none}
 .bn-tab{flex:0 0 auto;scroll-snap-align:start;display:flex;flex-direction:column;gap:0;padding:12px 16px;border:1px solid var(--rule);border-radius:18px;background:rgba(255,255,255,.7)}
 .bn-tab[aria-selected="true"]{padding-left:16px;background:#fff;border-color:var(--h2)}
 .bn-tab small{display:none}.bn-tab::before{display:none}
 .bn-tab b{font-size:18px}.bn-tab em{font-size:12px}
 .bn-bar{left:16px;right:16px;bottom:6px;border-radius:2px}
 .bn-panels{min-height:400px}
 .bn-panel{padding-top:150px}
 .bn-art{width:110px}
 .bn-steps{grid-template-columns:1fr;gap:28px;margin-top:36px}
 .bn-steps::before,.bn-steps::after{left:34px;right:auto;top:0;bottom:0;width:2px;height:auto;transform:scaleY(var(--p,0));transform-origin:top}
 .bn-steps::after{width:1px}
 .bn-steps li{display:grid;grid-template-columns:70px 1fr;column-gap:18px;padding:0}
 .bn-steps b{grid-row:1/3;margin:0}
 .bn-more-in{grid-template-columns:1fr;gap:28px}
 .bn-sticky{position:static}
 .bn-list li{grid-template-columns:32px 1fr;row-gap:4px;padding:20px 0}
 .bn-list li>span{grid-column:2}
 .bn-reel-row{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;width:auto;margin-top:36px;padding:0 16px 30px;scrollbar-width:none}
 .bn-reel-row::-webkit-scrollbar{display:none}
 .bn-reel{flex:0 0 66%;scroll-snap-align:center;border-radius:22px}
 .bn-reel:nth-child(2),.js-rv .bn-reel:nth-child(2)[data-rv].in{transform:none}
 .js-rv .bn-reel:nth-child(2)[data-rv]{transform:translateY(28px)}
 .bn-end-card{border-radius:28px}
 .bn-end-act{width:100%}.bn-end-act .bn-btn{width:100%;justify-content:space-between}
 .bn-foot-in{grid-template-columns:1fr;gap:18px}
}
@media (prefers-reduced-motion:reduce){
 *,*::before,*::after{animation:none!important;transition:none!important}
 .js-rv [data-rv]{opacity:1;transform:none}
 .bn-steps{--p:1}
}