@charset "UTF-8";
:root{color-scheme:dark;--bg:#10141d;--header:#0b0e14;--panel:#181f2b;--inset:#111824;--line:#2c3544;--text:#f3f5fa;--muted:#a1adbf;--blue:#4c72ef;--blue-hover:#6285ff;--gold:#e7c777;--gold-soft:#e7c77713;--link:#94b0ff;--shadow:0 18px 45px #0000000c;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none;font-weight:400;background:var(--bg);color:var(--text)}
:root[data-theme=light]{color-scheme:light;--bg:#f5f7fb;--header:#fff;--panel:#fff;--inset:#f4f6fb;--line:#dce2ed;--text:#1c273c;--muted:#626e82;--blue:#315bdb;--blue-hover:#244cbd;--gold:#95691c;--gold-soft:#f9f2e3;--link:#315bdb;--shadow:0 12px 40px #283b5c05}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--link);outline-offset:4px}h1,h2,h3,p{margin:0}h1{font-size:30px;letter-spacing:-.7px;line-height:1.25}h2{font-size:23px;line-height:1.5;letter-spacing:-.5px}h3{font-size:17px;line-height:1.5}p{line-height:1.8}button{color:inherit}img{display:block;object-fit:contain}html{scroll-behavior:smooth;scroll-padding-top:95px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-60px;left:20px;z-index:100;background:var(--blue);color:#fff;padding:12px 20px}.skip-link:focus{top:10px}
.site-header{background:var(--header);border-bottom:1px solid var(--line)}.header-inner{max-width:1200px;min-height:76px;padding:0 28px;margin:auto;display:flex;align-items:center;gap:66px}.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}.brand>span{font-weight:800;font-size:23px;letter-spacing:-1px;line-height:1.1}.brand small{display:block;font-size:9px;letter-spacing:1px;margin-top:5px;color:var(--muted)}[data-theme=light] .brand img{filter:brightness(.12)}.header-inner nav{display:flex;align-self:stretch;gap:34px;align-items:center}.header-inner nav a{font-size:14px;color:var(--muted);height:100%;display:flex;align-items:center;position:relative}.header-inner nav a:hover{color:var(--text)}.header-inner nav a.nav-active{color:var(--text);font-weight:600}.nav-active:after{content:"";position:absolute;bottom:0;height:3px;background:var(--blue);left:0;right:0}.theme-toggle{margin-left:auto;width:40px;height:40px;border:1px solid var(--line);background:transparent;border-radius:50%;font-size:25px;display:grid;place-items:center;color:var(--muted)}.theme-toggle:hover{color:var(--text);background:var(--panel)}
.page{max-width:1100px;margin:auto;padding:28px 28px 48px}.breadcrumb{display:flex;align-items:center;gap:14px;font-size:12px;color:var(--muted);margin-bottom:32px}.breadcrumb a:hover{color:var(--link)}.breadcrumb>span:last-child{color:var(--text)}.exchange-intro{margin-bottom:25px}.exchange-identity{display:flex;align-items:center;gap:16px}.exchange-icon{border-radius:16px;width:58px;height:58px;background:#fff;object-fit:cover}.eyebrow{display:block;color:var(--muted);font-size:11px;letter-spacing:1.4px;font-weight:600;margin-bottom:10px}.exchange-identity .eyebrow{margin-bottom:6px;font-size:11px;letter-spacing:1px}.channel-status{display:flex;align-items:center;gap:7px;margin-left:auto;color:#8bc3a8;font-size:12px;border:1px solid #598b6b40;background:#4988650d;padding:7px 11px;border-radius:6px}.channel-status i{width:6px;height:6px;border-radius:50%;background:currentColor}.channel-status.is-unavailable{color:var(--muted);border-color:var(--line)}[data-theme=light] .channel-status{color:#307550}.rankings{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}.rank-item{display:inline-flex;gap:10px;align-items:center;font-size:12px;padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:7px;transition:border-color .15s}.rank-item:hover{border-color:var(--link)}.rank-item>span:not(.rank-icon){color:var(--muted)}.rank-item strong{font-size:14px;font-variant-numeric:tabular-nums}.rank-icon{display:grid;place-items:center;background:var(--inset);border:1px solid var(--line);width:23px;height:23px;border-radius:50%;font-size:11px;font-weight:700}.rank-unknown strong{font-size:12px;font-weight:500;color:var(--muted)}.rank-note{color:var(--muted);font-size:11px;margin-top:10px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.benefit-panel{padding:32px}.benefit-summary{display:flex;justify-content:space-between;gap:24px;align-items:center;padding-bottom:28px}.benefit-summary h2{font-size:28px;line-height:1.65;letter-spacing:-.6px}.benefit-summary em{font-style:normal;color:var(--gold)}.benefit-summary p{font-size:13px;color:var(--muted);margin-top:10px}.rebate-stamp{padding:10px 20px 10px 38px;text-align:right;flex-shrink:0;border-left:1px solid var(--line);min-width:245px}.rebate-stamp>span{display:block;font-size:11px;color:var(--muted)}.rebate-stamp strong{font-size:72px;letter-spacing:-4px;line-height:1.3;font-weight:750;color:var(--gold);font-variant-numeric:tabular-nums}.rebate-stamp small{font-size:32px;letter-spacing:-1px;margin-left:4px}.fee-table-wrap{border:1px solid var(--line);background:var(--inset);border-radius:8px;overflow:hidden}.fee-table{width:100%;border-collapse:collapse;font-size:14px;text-align:right;font-variant-numeric:tabular-nums}.fee-table th:first-child{text-align:left;width:52%}.fee-table th,.fee-table td{padding:15px 23px}.fee-table thead th{font-weight:500;color:var(--muted);font-size:12px;border-bottom:1px solid var(--line)}.fee-table small{color:var(--muted);font-size:11px;font-weight:400;margin-left:4px}.fee-table tbody th{font-weight:500;font-size:13px}.fee-table td{font-weight:650;font-size:17px;white-space:nowrap}.rebate-row{background:var(--gold-soft);color:var(--gold)}.fee-note{display:flex;gap:8px;color:var(--muted);font-size:12px;margin:15px 0 19px;align-items:baseline}.fee-note>span{color:var(--link)}.fee-note strong{color:var(--text);font-weight:550}.product-rebates{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.product-rebates>span{padding:6px 10px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:11px}.product-rebates strong{font-weight:650;color:var(--text);margin-left:7px}.cta-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-height:49px;padding:12px 20px;text-align:center;font-weight:600;font-size:14px;border-radius:6px;border:1px solid transparent;transition:background .15s,border-color .15s}.button-primary{background:var(--blue);color:#fff}.button-primary:hover{background:var(--blue-hover)}.button-primary:disabled{background:var(--line);color:var(--muted)}.button-secondary{border-color:#667289;background:transparent;color:var(--text)}.button-secondary:hover{background:var(--inset);border-color:var(--link)}.fine-print{color:var(--muted);font-size:11px;line-height:1.8;margin-top:14px}.guide-banner{margin:22px 0 30px;padding:17px 23px;border-radius:7px;background:#345bcc;display:flex;justify-content:space-between;align-items:center;gap:16px;color:#fff;font-size:12px}.guide-banner>span:first-child{display:flex;align-items:center;gap:18px}.guide-banner b{font-size:14px;font-weight:600}.guide-banner>span:first-child>span{color:#dce5ff}.guide-action{background:#ffffffed;color:#244696;font-size:12px;padding:8px 13px;border-radius:4px;white-space:nowrap}.guide-banner:hover .guide-action{background:#fff}
.calculator{padding:30px 32px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.section-heading .eyebrow{margin-bottom:6px}.segmented{display:flex;background:var(--inset);padding:4px;border:1px solid var(--line);border-radius:7px;flex-shrink:0}.segmented button{border:0;color:var(--muted);background:transparent;padding:8px 13px;border-radius:4px;font-size:12px}.segmented button[aria-pressed=true]{background:var(--panel);color:var(--text);box-shadow:0 1px 6px #00000020}.calculator-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:28px}.calculator-controls{align-self:center}.calculator-controls>label{font-size:13px;font-weight:500;display:flex;justify-content:space-between;margin-bottom:11px}.calculator-controls>label>span{font-size:11px;color:var(--muted)}.volume-input{display:flex;align-items:center;border:1px solid var(--line);background:var(--inset);border-radius:7px;padding:13px 15px;gap:12px}.volume-input input{width:100%;min-width:0;border:0;background:transparent;color:var(--text);font-size:23px;font-weight:650;font-variant-numeric:tabular-nums;padding:0;appearance:textfield}.volume-input input::-webkit-inner-spin-button{appearance:none}.volume-input span{font-size:12px;color:var(--muted)}input[type=range]{--progress:1%;appearance:none;background:linear-gradient(to right,var(--blue) var(--progress),var(--line) var(--progress));width:100%;height:5px;border-radius:4px;margin:28px 0 14px;cursor:pointer}input[type=range]::-webkit-slider-thumb{appearance:none;width:17px;height:17px;background:#fff;border:4px solid var(--blue);border-radius:50%;box-shadow:0 0 0 3px #4c72ef15}input[type=range]::-moz-range-thumb{width:12px;height:12px;background:#fff;border:4px solid var(--blue);border-radius:50%}.range-labels{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.input-help{font-size:11px;color:var(--muted);margin-top:14px}.input-error{font-size:12px;color:#fa968c;margin-top:8px}.calculator-result{border-left:1px solid var(--line);padding:6px 0 4px 38px}.calculator-result>span{font-size:12px;color:var(--muted)}.saving-amount{display:flex;align-items:baseline;gap:10px;margin-top:2px;margin-bottom:23px;font-variant-numeric:tabular-nums}.saving-amount output{font-size:52px;font-weight:700;color:var(--gold);letter-spacing:-2px;overflow-wrap:anywhere;line-height:1.4}.saving-amount small{color:var(--muted);font-size:12px}.cost-line{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-top:13px;font-variant-numeric:tabular-nums}.cost-line>span:last-child{color:var(--text);white-space:nowrap}.cost-line.net{border-top:1px solid var(--line);padding-top:13px}.cost-line.net>span:last-child{color:var(--gold);font-weight:650}.calculation-note{color:var(--muted);font-size:11px;border-top:1px solid var(--line);padding-top:18px;margin-top:25px}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}.info-grid>.panel{padding:28px}.info-grid h2{font-size:20px}.reward-copy{font-size:13px;line-height:1.9;margin-top:19px;color:var(--text)}.info-grid .text-link{font-size:12px}.text-link{color:var(--link);font-size:13px}.text-link:hover{text-decoration:underline;text-underline-offset:4px}.rewards-panel>.text-link{display:inline-block;margin-top:19px}.referral-stat{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding:18px 0;font-size:12px;color:var(--muted)}.referral-stat strong{font-size:15px;color:var(--text);text-align:right}.source-links{display:flex;gap:19px;flex-wrap:wrap;margin-top:17px}.start-section{padding:43px 0 0;scroll-margin-top:20px}.steps{display:grid;grid-template-columns:repeat(3,1fr);list-style:none;padding:0;margin:25px 0 20px;gap:28px}.steps li{border-top:1px solid var(--line);padding-top:22px}.step-number{display:block;font-size:25px;font-weight:600;color:var(--blue);letter-spacing:-.5px;margin-bottom:17px}.steps p{color:var(--muted);font-size:12px;margin-top:10px}.faq-section{margin-top:45px}.faq-section>h2{margin-bottom:20px}.faq-section details{border-top:1px solid var(--line)}.faq-section details:last-child{border-bottom:1px solid var(--line)}.faq-section summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-size:14px;font-weight:500}.faq-section summary::-webkit-details-marker{display:none}.faq-section summary>span{font-size:23px;color:var(--muted);font-weight:300}.faq-section details[open] summary>span{transform:rotate(45deg)}.faq-section details p{font-size:13px;line-height:1.85;color:var(--muted);padding:0 40px 22px 0;max-width:850px}.source-section{margin-top:26px;background:var(--inset);border:1px solid var(--line);padding:23px 25px;border-radius:8px}.source-section h2{font-size:13px}.source-section p{font-size:11px;color:var(--muted);margin-top:7px}.source-section .text-link{font-size:11px}.source-section .source-links{margin-top:12px}.bottom-cta{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:30px 0;border-bottom:1px solid var(--line);margin-top:15px}.bottom-cta h2{font-size:20px}.bottom-cta p{font-size:12px;color:var(--muted);margin-top:4px}.bottom-cta .button{min-width:265px}.other-exchanges{display:flex;flex-wrap:wrap;gap:14px 20px;font-size:11px;color:var(--muted);margin-top:26px}.other-exchanges>span{width:100%;font-size:12px;color:var(--text);margin-bottom:2px}.other-exchanges a:hover{color:var(--link)}.site-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;max-width:1100px;margin:auto;padding:23px 28px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.site-footer>a:first-child{font-weight:600;color:var(--text);letter-spacing:.5px}.mobile-action{display:none}
@media(min-width:1400px){.page{padding-top:35px}.breadcrumb{margin-bottom:36px}}
@media(max-width:800px){.header-inner{gap:35px;padding:0 22px}.header-inner nav{gap:23px}.page{padding:22px 22px 36px}.benefit-panel,.calculator{padding:25px}.benefit-summary h2{font-size:23px}.rebate-stamp{min-width:180px;padding-right:0;padding-left:25px}.rebate-stamp strong{font-size:61px}.rebate-stamp>span:last-child{max-width:140px;line-height:1.8}.section-heading h2{font-size:20px}.calculator-grid{gap:24px}.calculator-result{padding-left:25px}.saving-amount output{font-size:44px}.info-grid>.panel{padding:23px}.steps{gap:20px}.site-footer{padding:22px;flex-wrap:wrap}}
@media(max-width:600px){html{scroll-padding-top:20px}.header-inner{min-height:65px;padding:0 18px;gap:0}.brand>span{font-size:21px}.brand img{width:34px;height:34px}.header-inner nav{margin-left:28px;gap:0}.header-inner nav a{font-size:13px}.header-inner nav a:not(:first-child){display:none}.theme-toggle{width:34px;height:34px;font-size:23px}.page{padding:20px 16px 26px}.breadcrumb{font-size:11px;margin-bottom:24px}.exchange-icon{width:46px;height:46px;border-radius:12px}.exchange-identity{gap:11px;flex-wrap:wrap}h1{font-size:25px}.exchange-identity .eyebrow{font-size:10px;margin-bottom:4px}.channel-status{font-size:10px;padding:6px 8px;margin-left:auto}.channel-status i{width:5px;height:5px}.rankings{gap:8px;margin-top:19px;display:grid;grid-template-columns:1fr}.rank-item{padding:9px 11px;font-size:11px;gap:8px}.rank-item strong{margin-left:auto;font-size:13px}.rank-unknown strong{font-size:11px}.rank-note{font-size:10px;line-height:1.7}.exchange-intro{margin-bottom:20px}.benefit-panel,.calculator{padding:21px 17px;border-radius:10px}.benefit-summary{padding-bottom:23px;gap:15px;display:block}.benefit-summary .eyebrow{font-size:10px;letter-spacing:.5px}.benefit-summary h2{font-size:25px;line-height:1.6}.benefit-summary p{font-size:12px;line-height:1.75}.rebate-stamp{display:none}.fee-table th:first-child{width:48%}.fee-table th,.fee-table td{padding:13px 10px}.fee-table thead th{font-size:10px}.fee-table thead small{display:block;font-size:10px;margin:3px 0 0}.fee-table tbody th{font-size:11px;line-height:1.7}.fee-table td{font-size:14px}.fee-table small{font-size:9px;margin-left:0;display:block}.fee-note{font-size:11px;line-height:1.7;margin-bottom:17px;gap:6px}.product-rebates{margin-bottom:18px;gap:6px}.product-rebates>span{font-size:10px;padding:5px 8px}.cta-pair{display:flex;flex-direction:column-reverse;gap:9px}.button{min-height:47px;font-size:13px;padding:12px 14px}.fine-print{font-size:10px;margin-top:12px}.guide-banner{margin:17px 0 23px;padding:16px 15px;gap:8px}.guide-banner>span:first-child{display:block}.guide-banner b{display:block;font-size:12px}.guide-banner>span:first-child>span{font-size:10px;display:block;margin-top:5px}.guide-action{font-size:10px;padding:7px 9px}.section-heading{align-items:flex-start;flex-direction:column;gap:17px}.section-heading h2{font-size:20px}.eyebrow{font-size:10px;letter-spacing:1.2px}.segmented{align-self:stretch}.segmented button{flex:1;font-size:11px;padding:9px 12px}.calculator-grid{grid-template-columns:1fr;gap:25px;margin-top:22px}.calculator-controls>label{font-size:12px}.volume-input input{font-size:24px}.calculator-result{border-left:0;border-top:1px solid var(--line);padding:23px 0 0}.saving-amount{margin-bottom:18px}.saving-amount output{font-size:47px}.calculation-note{margin-top:22px;padding-top:17px;font-size:10px}.input-help{font-size:10px}.info-grid{grid-template-columns:1fr;margin-top:20px;gap:16px}.info-grid>.panel{padding:23px 19px}.info-grid h2{font-size:19px}.reward-copy{font-size:12px;margin-top:15px}.start-section{padding-top:35px}.start-section .section-heading{gap:12px}.steps{grid-template-columns:1fr;gap:23px;margin-top:23px}.steps li{padding:18px 0 0 45px;position:relative}.step-number{position:absolute;left:0;top:16px;font-size:22px}.steps h3{font-size:16px}.steps p{font-size:12px;margin-top:6px}.faq-section{margin-top:32px}.faq-section h2{font-size:21px}.faq-section summary{font-size:13px;padding:18px 0;line-height:1.7}.faq-section details p{font-size:12px;padding-right:0}.source-section{padding:18px 17px}.source-section p{font-size:10px}.source-links{gap:13px 18px}.bottom-cta{display:none}.other-exchanges{margin-top:26px;gap:14px 19px}.site-footer{margin-bottom:89px;padding:20px 17px;font-size:10px;gap:12px}.site-footer>span{order:3;width:100%}.mobile-action{display:flex;position:fixed;z-index:20;bottom:0;left:0;right:0;background:var(--header);border-top:1px solid var(--line);padding:12px 16px calc(12px + env(safe-area-inset-bottom));gap:16px;align-items:center;justify-content:space-between;box-shadow:0 -6px 25px #00000015}.mobile-action>span{font-size:10px;color:var(--muted);flex-shrink:0}.mobile-action strong{display:block;font-size:20px;color:var(--gold);margin-top:3px}.mobile-action small{font-size:10px;font-weight:400}.mobile-action .button{font-size:12px;min-height:43px;flex:1;max-width:245px;padding:10px}}
.benefit-panel+.calculator{margin-top:24px}
.exchange-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}
.exchange-badge{display:inline-flex;align-items:center;gap:7px;min-height:37px;padding:5px 10px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--muted);font-size:11px;line-height:1.4;transition:border-color .15s,background .15s}
.exchange-badge:hover{border-color:var(--link);background:var(--inset);color:var(--text)}
.exchange-badge-activity{color:var(--link)}
.exchange-badges .compliance-badge{display:inline-flex;align-items:center;justify-content:center;flex:none;color:var(--badge-color);line-height:1}
.exchange-badges .compliance-badge.shield{width:21px;height:25px}
.exchange-badges .compliance-badge-art{display:block;width:100%;height:100%;overflow:visible}
.exchange-badges .compliance-badge-shield{fill:currentColor;fill-opacity:.16;stroke:currentColor;stroke-linejoin:round;stroke-width:1.45px}
.exchange-badges .compliance-badge-shield-inset{fill:none;stroke:currentColor;stroke-linejoin:round;stroke-opacity:.52;stroke-width:.8px}
.exchange-badges .compliance-badge-shield-text{fill:currentColor;font-family:inherit;font-size:9px;font-weight:900}
.exchange-badges .compliance-badge-monitor{--badge-color:#4f7dff}
.exchange-badges .compliance-badge-custody{--badge-color:#23c7a5}
.exchange-badges .compliance-badge-audit{--badge-color:#8d7bff}
.exchange-badges .compliance-badge-stocks{--badge-color:#efbe43}
.exchange-badges .compliance-badge-stock-exposure{--badge-color:#59a2ff}
.exchange-badges .compliance-badge.pill{min-width:28px;height:20px;padding:0 6px;border:1px solid;border-radius:999px;background:color-mix(in srgb,var(--badge-color) 10%,transparent);font-size:10px;font-weight:800}
[data-theme=light] .exchange-badges .compliance-badge-stock-exposure{--badge-color:#2868b5}
@media(max-width:600px){.benefit-panel+.calculator{margin-top:20px}}
.brand img{filter:brightness(0) invert(1)}
.rank-item img.rank-icon{display:block;flex-shrink:0;object-fit:contain;background:transparent;border:0;border-radius:5px}
.page-back{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;gap:6px;height:34px;padding:0 12px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--text);font-size:12px;font-weight:500;line-height:1;white-space:nowrap;transition:border-color .15s,background .15s}
.page-back svg{flex-shrink:0}
.breadcrumb .page-back:hover{border-color:var(--link);background:var(--inset);color:var(--text)}
.bottom-cta:has(>a.button){position:relative}
.bottom-cta>a.button::after{content:"";position:absolute;inset:0;z-index:1;border-radius:12px;cursor:pointer;transition:background .15s}
.bottom-cta>a.button:hover::after{background:color-mix(in srgb,var(--link) 5%,transparent)}
.bottom-cta>a.button:focus-visible{outline:none}
.bottom-cta>a.button:focus-visible::after{outline:2px solid var(--link);outline-offset:3px}
.other-exchanges a{display:inline-flex;align-items:center;min-height:36px;padding:5px 8px;border-radius:5px}
.other-exchanges a:hover{background:var(--panel)}
@media(any-pointer:coarse),(max-width:900px){.page-back,.rank-item,.exchange-badge,.other-exchanges a,.segmented button{min-height:44px}.theme-toggle{min-width:44px;min-height:44px}}
[data-theme=light] .brand img{filter:brightness(.12)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.purchase-guide,.official-rewards{margin-top:38px}
.guide-intro{color:var(--muted);font-size:12px;line-height:1.85;margin-top:10px;max-width:900px}
.guide-platform{border:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:11px;padding:7px 11px;border-radius:5px;white-space:nowrap}
.guide-payment-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px 24px;padding:14px 0;margin-top:13px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guide-payments{display:flex;flex-wrap:wrap;align-items:center;gap:17px}
.guide-payment{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:11px}
.guide-payment svg,.guide-payment img{flex-shrink:0;object-fit:contain}
.guide-payment.alipay svg{color:#1677ff}.guide-payment.wechat svg{color:#28b66d}
.guide-payment-bar p{color:var(--muted);font-size:10px}
.purchase-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:0;margin:22px 0 0;list-style:none}
.purchase-steps[data-step-count="4"]{grid-template-columns:repeat(4,minmax(0,1fr))}
.purchase-step{padding:22px;min-width:0}
.purchase-step-number{display:block;color:var(--link);font-size:23px;font-weight:650;font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:18px}
.purchase-step h3{font-size:15px;line-height:1.6}.purchase-step p{font-size:12px;color:var(--muted);margin-top:10px;overflow-wrap:anywhere}
.guide-notes{font-size:11px;color:var(--muted);line-height:1.85;padding-left:18px;margin:17px 0 0}.guide-notes li+li{margin-top:6px}
.guide-source-block{padding-top:16px;margin-top:21px;border-top:1px solid var(--line)}
.guide-source-block>div{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 18px}
.guide-source-block strong{font-size:11px;font-weight:550;color:var(--muted)}.guide-check{color:var(--muted);font-size:10px;line-height:1.8}
.guide-source-links{display:flex;flex-wrap:wrap;gap:10px 20px;list-style:none;padding:0;margin:13px 0 0}.guide-source-links a{font-size:11px;line-height:1.8;overflow-wrap:anywhere}
.guide-empty{margin-top:21px;padding:23px}.guide-empty h3{font-size:15px}.guide-empty p{color:var(--muted);font-size:12px;margin-top:8px}
.reward-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}.reward-grid:has(>.reward-card:only-child){grid-template-columns:minmax(0,1fr)}
.reward-card{padding:23px;min-width:0}.reward-type{display:inline-block;color:var(--link);background:var(--inset);border:1px solid var(--line);border-radius:4px;font-size:10px;padding:4px 8px;margin-bottom:11px}.reward-card h3{font-size:16px}.reward-card p{color:var(--muted);font-size:12px;line-height:1.85;margin-top:9px;overflow-wrap:anywhere}
.reward-conditions{margin-top:16px;padding:21px 23px;background:var(--inset)}.reward-conditions h3{font-size:13px}.reward-conditions .guide-notes{margin-top:10px}.reward-stacking{font-size:11px;color:var(--muted);line-height:1.85;margin-top:14px}.reward-stacking strong{color:var(--text);font-weight:550}
@media(max-width:950px){.purchase-steps[data-step-count="4"]{grid-template-columns:repeat(2,minmax(0,1fr))}.purchase-step{padding:20px}}
@media(max-width:600px){.purchase-guide,.official-rewards{margin-top:30px}.guide-intro{font-size:11px}.purchase-guide .section-heading,.official-rewards .section-heading{gap:10px}.guide-payment-bar{align-items:flex-start;gap:10px;margin-top:15px}.guide-payments{gap:16px}.guide-payment{font-size:10px}.guide-payment-bar p{font-size:10px}.purchase-steps,.purchase-steps[data-step-count="4"],.reward-grid{grid-template-columns:minmax(0,1fr);gap:12px;margin-top:18px}.purchase-step{padding:20px 18px 20px 61px;position:relative}.purchase-step-number{position:absolute;top:22px;left:18px;font-size:21px}.purchase-step p{margin-top:7px}.guide-notes{font-size:10px}.guide-empty,.reward-card{padding:21px 19px}.reward-conditions{padding:20px 19px}.guide-source-links{display:block;margin-top:8px}.guide-source-links li+li{margin-top:3px}.guide-source-links a{display:inline-flex;align-items:center;min-height:44px;font-size:11px}.guide-source-block{margin-top:18px}.reward-stacking{font-size:10px}}
/* Keep the two compact header controls together on narrow screens. */
.header-actions{margin-left:auto;display:flex;align-items:center;gap:9px}.language-toggle{width:40px;height:40px;border:1px solid var(--line);background:transparent;border-radius:50%;font-size:13px;font-weight:700;display:grid;place-items:center;color:var(--muted)}.language-toggle:hover{color:var(--text);background:var(--panel)}.theme-toggle{transition:color .16s,background .16s,transform .16s}.theme-toggle:hover{transform:rotate(25deg)}
@media(max-width:600px){.header-actions{gap:6px}.language-toggle{width:34px;height:34px;font-size:12px}}
.theme-icon{display:block;width:19px;height:19px}.theme-icon-moon{display:none;position:relative;width:16px;height:16px;background:currentColor;border-radius:50%}.theme-icon-moon::after{content:"";position:absolute;width:14px;height:14px;top:-4px;left:5px;border-radius:50%;background:var(--header)}.theme-toggle[data-theme-icon=moon] .theme-icon-sun{display:none}.theme-toggle[data-theme-icon=moon] .theme-icon-moon{display:block}
.mobile-section-nav{display:none}
@media(max-width:600px){
  html{scroll-padding-top:66px}
  .header-inner nav{display:none}
  .header-actions button{width:44px;height:44px}
  .page{padding:16px 14px 28px}
  .mobile-section-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:sticky;top:0;z-index:15;gap:4px;padding:7px;margin:0 -4px 18px;background:var(--header);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
  .mobile-section-nav a{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:7px;color:var(--muted);font-size:12px;white-space:nowrap}
  .mobile-section-nav a:hover,.mobile-section-nav a:focus-visible{background:var(--inset);color:var(--text)}
  .segmented button{min-height:44px}
  .other-exchanges{gap:4px 10px}
  .other-exchanges a{display:inline-flex;align-items:center;min-height:44px;padding-inline:6px}
  .breadcrumb{margin-bottom:18px}
  .exchange-badges{flex-wrap:nowrap;gap:6px;margin-top:13px;overflow-x:auto;scrollbar-width:none;mask-image:linear-gradient(90deg,#000 0%,#000 90%,transparent)}
  .exchange-badges::-webkit-scrollbar{display:none}
  .exchange-badges>.exchange-badge{flex:none}
  .rankings{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;margin-top:13px}
  .rank-item{min-width:0;padding:8px;gap:5px;font-size:10px;line-height:1.35}
  .rank-item img.rank-icon{width:19px;height:19px}
  .rank-item>span:not(.rank-icon){min-width:0}
  .rank-item strong{font-size:12px;white-space:nowrap}
  .rank-note{margin-top:7px}
  .exchange-intro{margin-bottom:16px}
  .benefit-panel{padding:21px 17px;border-radius:16px;background:linear-gradient(150deg,color-mix(in srgb,var(--gold) 7%,var(--panel)),var(--panel) 52%)}
  .benefit-summary{padding-bottom:18px}
  .benefit-summary h2{margin-top:6px;font-size:24px;line-height:1.38}
  .benefit-summary p{margin-top:8px;line-height:1.6}
  .fee-table-wrap{border-radius:10px}
  .mobile-action{gap:10px;padding:9px 14px calc(9px + env(safe-area-inset-bottom))}
  .mobile-action .button{min-height:46px;font-size:13px}
}
@media(max-width:350px){.rankings{grid-template-columns:1fr}.benefit-summary h2{font-size:21px}}