:root{--bg:#070a10;--card:#0d121d;--line:#1a2536;--text:#f5f7fb;--muted:#9aa7ba;--blue:#347dff;--cyan:#69d6c3;--panel:#0b1019;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.section-shell{width:min(var(--max),calc(100% - 48px));margin-inline:auto}.nav-shell{height:78px;padding:0 max(28px,calc((100vw - var(--max))/2));z-index:20;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#070a10d6;border-bottom:1px solid #9aa7ba24;align-items:center;display:flex;position:sticky;top:0}.brand{letter-spacing:-.02em;align-items:center;gap:11px;font-weight:800;display:flex}.brand-mark{width:30px;height:38px;color:var(--blue);place-items:center;font-size:26px;font-style:italic;display:grid}.nav-shell nav{gap:56px;margin:auto;display:flex}.nav-shell nav a{color:#c3ccda;font-size:15px;transition:all .2s}.admin-link{color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:9px 14px;font-size:13px}.hero{grid-template-columns:1.35fr .8fr;align-items:center;gap:70px;min-height:700px;padding-block:74px 92px;display:grid;position:relative;overflow:hidden}.hero-grid{pointer-events:none;background-image:linear-gradient(#347dff0b 1px,#0000 1px),linear-gradient(90deg,#347dff0b 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(circle at 30% 48%,#000,#0000 66%);mask-image:radial-gradient(circle at 30% 48%,#000,#0000 66%)}.hero:after{content:"";pointer-events:none;background:radial-gradient(#1b6cff2e,#0000 68%);width:720px;height:320px;position:absolute;top:245px;left:-80px}.hero-copy,.hero-card{z-index:1;position:relative}.eyebrow{color:#b2bfd1;text-transform:uppercase;letter-spacing:.14em;align-items:center;gap:10px;font-size:12px;font-weight:650;display:flex}.eyebrow span{background:var(--blue);width:24px;height:2px}.hero h1{letter-spacing:-.055em;margin:24px 0;font-size:clamp(54px,6.3vw,88px);line-height:1.04}.hero-lead{color:var(--muted);max-width:670px;font-size:18px;line-height:1.8}.hero-actions{gap:18px;margin-top:46px;display:flex}.button{cursor:pointer;appearance:none;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:46px;min-height:54px;padding:0 28px;font-weight:650;transition:all .2s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button:disabled{opacity:.45;cursor:not-allowed;transform:none}.primary{color:#fff;background:linear-gradient(135deg,#2870f5,#3a83ff);box-shadow:0 12px 34px #347dff33}.primary:hover{box-shadow:0 16px 40px #347dff52}.secondary{background:#0c111b99;border-color:#3a4657}.wide{width:100%}.trust-row{flex-wrap:wrap;gap:14px;margin-top:50px;display:flex}.trust-row span{color:#c6d0df;background:#0c121dbd;border:1px solid #273244;border-radius:10px;padding:11px 15px;font-size:13px}.plan-card{background:linear-gradient(145deg,#101724fa,#080d16fa);border:1px solid #314057;border-radius:16px;box-shadow:0 26px 70px #00000052}.hero-card{padding:30px}.card-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:22px;display:flex}.card-heading div{align-items:center;gap:12px;display:flex}.cube{color:var(--blue);font-size:30px}.availability{color:#c4d3df;font-size:12px}.availability:first-letter{color:var(--cyan)}.plan-volume{text-align:center;padding:28px 0}.plan-volume strong{letter-spacing:-.06em;font-size:76px}.plan-volume small{margin-left:3px;font-size:36px}.plan-volume span{color:var(--blue);font-size:26px;font-weight:650;display:block}.feature-line{border-top:1px solid var(--line);color:#d2d9e3;align-items:center;gap:16px;padding:17px 6px;font-size:14px;display:flex}.price-line{border-top:1px solid var(--line);justify-content:space-between;align-items:end;padding:18px 6px;display:flex}.price-line span{color:var(--muted);font-size:13px}.price-line strong{font-size:24px}.content-section{padding-block:110px}.section-intro{max-width:720px;margin-bottom:48px}.section-intro h1,.section-intro h2{letter-spacing:-.045em;margin:18px 0;font-size:clamp(36px,4vw,58px);line-height:1.1}.section-intro p:not(.eyebrow){color:var(--muted);font-size:16px;line-height:1.75}.order-layout{grid-template-columns:.9fr 1.1fr;gap:28px;display:grid}.detail-card,.panel{padding:34px;position:relative}.recommend{color:#8db4ff;background:#347dff2e;border:1px solid #347dff4d;border-radius:999px;padding:6px 10px;font-size:12px;position:absolute;top:24px;right:24px}.detail-card h3,.panel h3{margin:0 0 22px;font-size:24px}.detail-metric{border-block:1px solid var(--line);align-items:end;gap:18px;padding:24px 0;display:flex}.detail-metric strong{font-size:44px}.detail-metric span{color:var(--muted);padding-bottom:7px}.detail-card ul{margin:0;padding:10px 0;list-style:none}.detail-card li{color:#c8d0dc;padding:10px 0}.detail-card li:before{content:"✓";color:var(--cyan);margin-right:12px}.detail-price{margin-top:18px;font-size:32px;font-weight:700}.detail-price small{color:var(--muted);font-size:14px}.panel{border:1px solid var(--line);background:var(--panel);border-radius:16px}.panel-kicker{color:var(--blue);text-transform:uppercase;letter-spacing:.15em;font-size:12px}.form-panel{gap:17px;display:grid}.panel label,.setup-form label,.admin-login label{color:#cad2df;gap:8px;font-size:13px;display:grid}.panel input,.panel textarea,.setup-form input,.setup-form textarea,.admin-login input{color:#fff;background:#080d15;border:1px solid #2a3649;border-radius:8px;outline:none;width:100%;padding:14px 15px;transition:all .2s}.panel input:focus,.panel textarea:focus,.setup-form input:focus,.setup-form textarea:focus,.admin-login input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #347dff29}.form-note{color:#7f8da0;font-size:12px;line-height:1.6}.result-card{border:1px solid var(--line);background:#0a1019;border-radius:16px;margin-top:28px;padding:30px}.success-card{grid-template-columns:1fr 1fr;gap:24px;display:grid}.success-card h3{letter-spacing:.04em;margin:8px 0;font-size:28px}.status-dot{background:var(--cyan);border-radius:50%;width:9px;height:9px;display:inline-block;box-shadow:0 0 0 5px #69d6c31a}.result-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.result-grid p,.payment-box{border:1px solid var(--line);border-radius:10px;margin:0;padding:15px}.result-grid span,.payment-box span,.link-box span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:7px;font-size:11px;display:block}.payment-box{grid-column:1/-1}.payment-box p{white-space:pre-wrap;color:#d4dbe5;margin:0}.warning{color:#eab970;grid-column:1/-1;margin:0;font-size:13px}.text-button{color:#74a5ff;text-align:left;cursor:pointer;background:0 0;border:0;padding:0}.dark-band{background:#05070b;border-block:1px solid #9aa7ba1a}.query-layout{grid-template-columns:1fr .8fr;align-items:center;gap:80px;display:grid}.query-layout .section-intro{margin:0}.order-status{margin-top:36px}.status-heading{justify-content:space-between;align-items:center;display:flex}.status-heading p{color:var(--muted)}.status-heading h3{margin:8px 0;font-size:26px}.badge{color:#bac5d5;border:1px solid #334158;border-radius:999px;padding:6px 10px;font-size:12px;display:inline-flex}.badge.failed{color:#ff8d8d;border-color:#ff5a5a4d}.link-box{border-top:1px solid var(--line);grid-template-columns:150px 1fr auto;align-items:center;gap:14px;padding:16px 0;display:grid}.link-box span{margin:0}.link-box code{text-overflow:ellipsis;white-space:nowrap;color:#d8e1ee;overflow:hidden}.link-box button{color:#9ec0ff;cursor:pointer;background:0 0;border:1px solid #334158;border-radius:7px;padding:7px 12px}.error-text{color:#ff9393!important}.steps{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.steps article{border:1px solid var(--line);background:#0a0f18;border-radius:14px;padding:28px}.steps b{color:var(--blue);font-size:12px}.steps h3{margin:32px 0 12px;font-size:20px}.steps p{color:var(--muted);margin:0;line-height:1.7}.service-notice{color:var(--muted);border-left:2px solid var(--blue);margin-top:28px;padding-left:16px}footer{width:min(var(--max),calc(100% - 48px));border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;margin:auto;padding:48px 0 64px;display:flex}footer p{margin:9px 0}footer div:last-child{gap:28px;font-size:13px;display:flex}.toast{z-index:50;color:#fff;background:#111927;border:1px solid #35435a;border-radius:10px;padding:13px 18px;position:fixed;bottom:24px;right:24px;box-shadow:0 16px 50px #0006}.admin-page{min-height:100vh}.admin-header{height:76px;padding:0 max(28px,calc((100vw - var(--max))/2));border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;display:flex}.admin-header>a:last-child{color:var(--muted);font-size:13px}.admin-shell{width:min(var(--max),calc(100% - 48px));margin:auto;padding:80px 0}.setup-form{gap:18px;display:grid}.two-cols{grid-template-columns:1fr 1fr;gap:18px;display:grid}.admin-login{grid-template-columns:1fr auto;align-items:end;gap:14px;max-width:650px;display:grid}.orders-table-wrap{border:1px solid var(--line);border-radius:14px;margin-top:30px;overflow:auto}.orders-table-wrap table{border-collapse:collapse;width:100%;min-width:920px}.orders-table-wrap th,.orders-table-wrap td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:16px;font-size:13px}.orders-table-wrap td small{color:var(--muted);margin-top:5px;display:block}.empty{color:var(--muted);text-align:center!important;padding:48px!important}.admin-message{background:#162235;border:1px solid #31415b;border-radius:10px;padding:14px 18px;position:fixed;bottom:24px;right:24px}.payment-qr-section{border:1px solid var(--line);background:#080d15;border-radius:12px;grid-column:1/-1;padding:20px}.payment-qr-heading{justify-content:space-between;align-items:start;gap:24px;margin-bottom:18px;display:flex}.payment-qr-heading>span{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-size:11px}.payment-qr-heading p{color:#d4dbe5;text-align:right;margin:0;font-size:13px}.payment-qr-heading strong{color:#fff}.payment-qr-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.payment-qr-card{background:#fff;border:1px solid #27344a;border-radius:12px;margin:0;padding:14px;overflow:hidden}.payment-qr-card img{object-fit:contain;background:#fff;border-radius:8px;width:100%;height:360px;display:block}.payment-qr-card figcaption{color:#202633;justify-content:space-between;align-items:center;gap:12px;padding:12px 4px 2px;display:flex}.payment-qr-card figcaption strong{font-size:16px}.payment-qr-card figcaption span{color:#667085;font-size:12px}.payment-qr-card.alipay{border-top:3px solid #1677ff}.payment-qr-card.wechat{border-top:3px solid #07c160}@media (max-width:900px){.nav-shell nav{display:none}.admin-link{margin-left:auto}.hero{grid-template-columns:1fr;gap:48px}.hero-card{max-width:560px}.order-layout,.query-layout,.steps,.success-card{grid-template-columns:1fr}.result-grid,.payment-box,.warning{grid-column:auto}.two-cols,.link-box,.admin-login{grid-template-columns:1fr}.hero h1{font-size:62px}}@media (max-width:560px){.section-shell,.admin-shell{width:min(100% - 28px,var(--max))}.nav-shell{height:66px;padding:0 14px}.brand{font-size:14px}.admin-link{font-size:11px}.hero{min-height:auto;padding-block:54px}.hero h1{font-size:48px}.hero-actions{flex-direction:column}.button{width:100%}.trust-row{display:grid}.hero-card,.detail-card,.panel,.result-card{padding:22px}.plan-volume strong{font-size:58px}.content-section{padding-block:72px}.section-intro h2{font-size:38px}.result-grid{grid-template-columns:1fr}footer{flex-direction:column;gap:24px}footer div:last-child{flex-wrap:wrap}.admin-shell{padding-block:50px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}@media (max-width:560px){.payment-qr-section{padding:14px}.payment-qr-heading{display:block}.payment-qr-heading p{text-align:left;margin-top:8px}.payment-qr-grid{grid-template-columns:1fr}.payment-qr-card img{height:auto;max-height:480px}.payment-qr-card figcaption{flex-direction:column;align-items:flex-start;gap:4px}}.no-note-text strong{color:#ffbd66}.no-note-alert{color:#ffd294;background:#ffae4a14;border:1px solid #ffae4a6b;border-radius:10px;grid-column:1/-1;margin:0;padding:14px 16px;font-weight:700}.signed-in-box{border:1px solid var(--line);background:#080d15;border-radius:10px;gap:5px;padding:18px;display:grid}.signed-in-box span,.signed-in-box small{color:var(--muted);font-size:12px}.login-required{text-align:center;border:1px dashed #324159;border-radius:12px;padding:22px}.login-required p{color:var(--muted);margin:0 0 18px}.account-shell{width:min(980px,100% - 48px);margin:auto;padding:80px 0}.account-form{gap:18px;max-width:540px;display:grid}.switch-auth{text-align:center;padding:8px}.account-heading{justify-content:space-between;align-items:start;gap:30px;display:flex}.account-heading>div:last-child{gap:12px;display:flex}.account-orders{gap:18px;display:grid}.account-order{margin-top:0}.account-order>p{color:var(--muted)}.empty-account{text-align:center;color:var(--muted)}.admin-actions{gap:10px;display:grid}.text-button.danger{color:#ff8989}@media (max-width:700px){.account-shell{width:min(100% - 28px,980px);padding:50px 0}.account-heading{display:block}.account-heading>div:last-child{display:grid}.account-heading .button{width:100%}}.plan-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.plan-options .detail-card{cursor:pointer;transition:border-color .2s,transform .2s}.plan-options .detail-card:hover{transform:translateY(-2px)}.plan-options .selected-plan{border-color:var(--blue);box-shadow:0 0 0 1px var(--blue)}@media (max-width:760px){.plan-options{grid-template-columns:1fr}}.detail-price del{color:var(--muted);margin-left:10px;font-size:13px;font-weight:400}.trial-band{background:#edf5ff;border-block:1px solid #d5e5fb}.trial-callout{justify-content:space-between;align-items:center;gap:30px;padding-block:58px;display:flex}.trial-callout h2{margin:8px 0;font-size:36px}.trial-callout p{color:var(--muted);margin:0;line-height:1.7}.trial-account-card{justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;display:flex}.trial-account-card h3{margin:7px 0}.trial-account-card p{color:var(--muted);margin:0}@media (max-width:700px){.trial-callout,.trial-account-card{flex-direction:column;align-items:stretch}.trial-callout .button,.trial-account-card .button{width:100%}}:root{--bg:#f5f7fb;--card:#fff;--line:#d9e1ec;--text:#172033;--muted:#68758a;--blue:#276ef1;--cyan:#168b77;--panel:#fff}.nav-shell{background:#ffffffe6;border-bottom-color:#68758a2e}.nav-shell nav a{color:#526077}.nav-shell nav a:hover{color:var(--blue)}.admin-link{background:#fff}.hero-grid{background-image:linear-gradient(#276ef10f 1px,#0000 1px),linear-gradient(90deg,#276ef10f 1px,#0000 1px)}.hero:after{background:radial-gradient(#276ef11f,#0000 68%)}.secondary{color:#24324a;background:#fff;border-color:#c7d1df}.secondary:hover{color:var(--blue);background:#f8fbff;border-color:#8eafe9}.trust-row span{color:#40506a;background:#ffffffd1;border-color:#d5deea}.plan-card{background:linear-gradient(145deg,#fff,#f8faff);border-color:#d5deea;box-shadow:0 22px 60px #25395c1c}.availability{color:#526077}.feature-line{color:#35435a}.detail-card li{color:#44526a}.recommend{color:#245fc7;background:#eaf1ff;border-color:#bfd2f6}.panel label,.setup-form label,.admin-login label{color:#3e4c63}.panel input,.panel textarea,.setup-form input,.setup-form textarea,.admin-login input{color:var(--text);background:#fff;border-color:#cbd5e2}.panel input::placeholder,.panel textarea::placeholder,.setup-form input::placeholder,.setup-form textarea::placeholder,.admin-login input::placeholder{color:#98a4b5}.result-card{background:#fff;box-shadow:0 12px 34px #25395c0f}.payment-box p{color:#35435a}.dark-band{background:#edf2f8;border-block-color:#dce4ef}.steps article{background:#fff}footer .brand{color:var(--text)}.toast,.admin-message{color:var(--text);background:#fff;border-color:#cbd5e2;box-shadow:0 16px 42px #25395c2e}.orders-table-wrap th{color:#526077;background:#f0f4f9;font-weight:600}.orders-table-wrap tr:last-child td{border-bottom:0}.payment-qr-section{background:#f7f9fc}.payment-qr-heading p{color:#35435a}.payment-qr-heading strong,.no-note-text strong{color:#b54708}.no-note-alert{color:#8a4b08;background:#fff6e8;border-color:#f2b86b}.signed-in-box{background:#f7f9fc}.login-required{background:#f8faff;border-color:#b9c6d8}.link-box code{color:#26354d}.link-box button{color:#2763c7;background:#fff;border-color:#b9c6d8}.badge{color:#526077;background:#f8fafc;border-color:#b8c4d5}.badge.active{color:#08705f;background:#eaf8f5;border-color:#8fd4c7}.badge.failed{color:#c63838;background:#fff1f1;border-color:#f2b5b5}.text-button{color:#2763c7}.text-button.danger,.error-text{color:#c63838!important}.form-note{color:#68758a}