:root{font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;color:#1d1e22;background:#f4f5f7;font-synthesis:none;--pay-ink: #1d1e22;--pay-muted: #737780;--pay-soft: #969ba5;--pay-line: #e1e3e7;--pay-line-strong: #d5d8dd;--pay-pink: #e83d70;--pay-pink-dark: #c92f5d;--pay-pink-soft: #fff1f5;--pay-surface: #ffffff;--pay-charcoal: #202126}*{box-sizing:border-box}html{min-width:320px;background:#f4f5f7}body{min-width:320px;margin:0;background:#f4f5f7}a{color:inherit;text-decoration:none}button{font:inherit}.pay-shell{min-height:100vh}.pay-header{min-height:72px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--pay-line);background:#fffffffa}.pay-brand{display:inline-flex;align-items:center;gap:11px;min-width:0}.pay-brand img{width:36px;height:36px;display:block;border-radius:10px}.pay-brand span{display:grid;gap:1px;min-width:0}.pay-brand strong{font-size:16px;letter-spacing:-.03em}.pay-brand small{color:var(--pay-muted);font-size:11px;white-space:nowrap}.pay-header-right{display:flex;align-items:center;gap:22px;color:var(--pay-muted);font-size:12px}.pay-header-status{display:inline-flex;align-items:center;gap:6px}.pay-header-status svg{color:var(--pay-pink);width:16px;height:16px}.pay-header-right>a{min-height:34px;padding:0 12px;display:inline-flex;align-items:center;gap:5px;color:#4a4d54;border:1px solid var(--pay-line-strong);border-radius:7px;background:#fff;font-weight:600}.pay-header-right>a:hover{color:var(--pay-pink-dark);border-color:#e1a9bb}.pay-header-right>a svg{width:15px;height:15px}.pay-header-letter-link{color:var(--pay-pink-dark)!important;border-color:#efc4d1!important;background:var(--pay-pink-soft)!important}.pay-header-letter-link:hover{color:var(--pay-pink-dark)!important;border-color:#e1a9bb!important;background:#ffe8ef!important}.pay-letter-modal-root{position:fixed;z-index:40;top:0;right:0;bottom:0;left:0;padding:24px;display:grid;place-items:center;background:#1d1e2257;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);animation:pay-modal-fade-in .2s ease both}.pay-letter-modal{position:relative;width:min(500px,100%);padding:34px 36px 30px;border:1px solid #e9cbd6;border-radius:16px;background:#fff;box-shadow:0 22px 70px #1d1e222e;animation:pay-modal-rise-in .28s cubic-bezier(.22,1,.36,1) both}.pay-letter-modal-close{position:absolute;top:14px;right:16px;width:28px;height:28px;display:grid;place-items:center;color:var(--pay-soft);border:0;border-radius:50%;background:transparent;cursor:pointer;font-size:22px;line-height:1;transition:color .16s ease,background .16s ease}.pay-letter-modal-close:hover{color:var(--pay-ink);background:#f2f3f5}.pay-letter-modal-close:focus-visible,.pay-letter-modal-actions a:focus-visible,.pay-letter-modal-actions button:focus-visible{outline:3px solid rgba(232,61,112,.25);outline-offset:2px}.pay-letter-modal-icon{width:42px;height:42px;margin-bottom:17px;display:grid;place-items:center;color:var(--pay-pink);border-radius:12px;background:var(--pay-pink-soft)}.pay-letter-modal-icon svg{width:22px;height:22px}.pay-letter-modal h2{margin:10px 0 9px;color:var(--pay-ink);font-size:27px;letter-spacing:-.055em}.pay-letter-modal>p{max-width:39em;margin:0;color:var(--pay-muted);font-size:13px;line-height:1.8}.pay-letter-modal-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center}.pay-letter-modal-primary,.pay-letter-modal-secondary{min-height:43px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:7px;cursor:pointer;font-size:12px;font-weight:600;transition:color .16s ease,background .16s ease,border-color .16s ease,transform .16s ease}.pay-letter-modal-primary{color:#fff;border:1px solid var(--pay-pink);background:var(--pay-pink)}.pay-letter-modal-primary:hover{color:#fff;border-color:var(--pay-pink-dark);background:var(--pay-pink-dark);transform:translateY(-1px)}.pay-letter-modal-primary svg{width:15px;height:15px}.pay-letter-modal-secondary{color:#555961;border:1px solid var(--pay-line-strong);background:#fff}.pay-letter-modal-secondary:hover{color:var(--pay-ink);border-color:#aeb2b9;background:#f8f9fa}.pay-open-modal-root{position:fixed;z-index:50;top:0;right:0;bottom:0;left:0;padding:24px;display:grid;place-items:center;background:#1d1e226b;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:pay-modal-fade-in .2s ease both}.pay-open-modal{position:relative;width:min(560px,100%);padding:31px 33px 22px;border:1px solid #e9cbd6;border-radius:16px;background:#fff;box-shadow:0 24px 72px #1d1e2233;animation:pay-modal-rise-in .28s cubic-bezier(.22,1,.36,1) both}.pay-open-modal-close{position:absolute;top:14px;right:15px;width:30px;height:30px;display:grid;place-items:center;color:var(--pay-soft);border:0;border-radius:50%;background:transparent;cursor:pointer;transition:color .16s ease,background .16s ease}.pay-open-modal-close:hover{color:var(--pay-ink);background:#f2f3f5}.pay-open-modal-close svg{width:18px;height:18px}.pay-open-modal-close:focus-visible,.pay-open-modal-wechat button:focus-visible,.pay-open-modal-secondary:focus-visible{outline:3px solid rgba(232,61,112,.25);outline-offset:2px}.pay-open-modal-heading{display:flex;align-items:flex-start;gap:15px;padding-right:28px}.pay-open-modal-icon{width:43px;height:43px;flex:0 0 auto;display:grid;place-items:center;color:var(--pay-pink);border-radius:12px;background:var(--pay-pink-soft)}.pay-open-modal-icon svg{width:23px;height:23px}.pay-open-modal-heading .pay-about-eyebrow{display:block;margin-top:1px}.pay-open-modal h2{margin:7px 0 8px;color:var(--pay-ink);font-size:25px;letter-spacing:-.05em}.pay-open-modal-heading p{max-width:410px;margin:0;color:var(--pay-muted);font-size:13px;line-height:1.75}.pay-open-modal-body{margin:25px 0 22px;padding:20px;display:grid;grid-template-columns:178px minmax(0,1fr);align-items:center;gap:25px;border:1px solid #f0dbe4;border-radius:12px;background:#fffafb}.pay-open-modal-qr{padding:10px;display:grid;justify-items:center;gap:9px;border:1px solid var(--pay-line);border-radius:9px;background:#fff}.pay-open-modal-qr img{width:100%;aspect-ratio:1 / 1;display:block;object-fit:contain}.pay-open-modal-qr span{color:var(--pay-muted);font-size:11px}.pay-open-modal-contact{min-width:0}.pay-open-modal-label{color:var(--pay-soft);font-size:11px}.pay-open-modal-wechat{margin-top:9px;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.pay-open-modal-wechat strong{color:var(--pay-ink);font-size:22px;letter-spacing:.02em}.pay-open-modal-wechat button{min-height:34px;padding:0 11px;display:inline-flex;align-items:center;gap:5px;color:var(--pay-pink-dark);border:1px solid #efc4d1;border-radius:6px;background:var(--pay-pink-soft);cursor:pointer;font-size:11px;font-weight:600;white-space:nowrap;transition:color .16s ease,background .16s ease,border-color .16s ease,transform .16s ease}.pay-open-modal-wechat button:hover{color:#a9234b;border-color:#e1a9bb;background:#ffe8ef;transform:translateY(-1px)}.pay-open-modal-wechat button svg{width:14px;height:14px}.pay-open-modal-contact p{margin:12px 0 0;color:var(--pay-muted);font-size:12px;line-height:1.7}.pay-open-modal-footer{padding-top:17px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--pay-line);color:var(--pay-soft);font-size:11px}.pay-open-modal-secondary{min-height:35px;padding:0 14px;color:#555961;border:1px solid var(--pay-line-strong);border-radius:7px;background:#fff;cursor:pointer;font-size:11px;font-weight:600;transition:color .16s ease,background .16s ease,border-color .16s ease}.pay-open-modal-secondary:hover{color:var(--pay-ink);border-color:#aeb2b9;background:#f8f9fa}@keyframes pay-modal-fade-in{0%{opacity:0}to{opacity:1}}@keyframes pay-modal-rise-in{0%{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}.pay-main{width:min(1220px,calc(100% - 40px));margin:0 auto;padding:10px 0 38px}.site-compliance-mark{font-size:11px;line-height:1.5;text-decoration:none;transition:color .16s ease}.site-compliance-mark--pay{display:block;width:fit-content;margin:10px auto 0;color:var(--pay-soft);text-align:center}.site-compliance-mark--pay:hover,.site-compliance-mark--pay:focus-visible{color:var(--pay-pink-dark)}.pay-letter-main{padding-top:20px}.pay-letter-breadcrumb{max-width:1000px;margin:0 auto 12px;display:flex;align-items:center;gap:8px;color:var(--pay-soft);font-size:11px}.pay-letter-breadcrumb a:hover{color:var(--pay-pink-dark)}.pay-letter-breadcrumb strong{color:var(--pay-muted);font-weight:600}.pay-about--standalone{margin-top:0;margin-bottom:48px}.pay-about{max-width:1000px;margin:18px auto 58px;overflow:hidden;border:1px solid var(--pay-line);border-radius:15px;background:var(--pay-surface);box-shadow:0 12px 32px #1d1e220b;scroll-margin-top:88px}.pay-about-intro{min-height:178px;padding:34px 40px 30px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:28px;background:#fbfbfc;border-bottom:1px solid var(--pay-line)}.pay-about-eyebrow{color:var(--pay-pink-dark);font-size:10px;font-weight:700;letter-spacing:.2em}.pay-about-intro h2{margin:10px 0 5px;color:var(--pay-ink);font-size:30px;letter-spacing:-.055em}.pay-about-lead{margin:0;color:var(--pay-ink);font-size:18px;font-weight:600;letter-spacing:-.025em}.pay-about-sublead{max-width:680px;margin:8px 0 0;color:var(--pay-muted);font-size:13px;line-height:1.75}.pay-about-letter-mark{min-width:150px;padding:14px 16px;display:grid;gap:3px;align-self:center;border-left:2px solid var(--pay-pink);color:var(--pay-muted)}.pay-about-letter-mark span{color:var(--pay-pink-dark);font-size:10px;font-weight:700;letter-spacing:.16em}.pay-about-letter-mark strong{color:var(--pay-ink);font-size:13px;line-height:1.45}.pay-about-layout{display:grid;grid-template-columns:188px minmax(0,1fr);align-items:start}.pay-about-nav{position:sticky;top:20px;padding:27px 18px 30px 22px;display:grid;gap:3px;align-content:start}.pay-about-nav>span{margin-bottom:9px;color:var(--pay-soft);font-size:10px;font-weight:700;letter-spacing:.14em}.pay-about-nav a{padding:7px 8px;color:#737780;border-left:2px solid transparent;font-size:11px;line-height:1.4;transition:color .18s ease,border-color .18s ease,background .18s ease}.pay-about-nav a:hover,.pay-about-nav a:focus-visible{color:var(--pay-pink-dark);border-left-color:var(--pay-pink);background:var(--pay-pink-soft);outline:none}.pay-about-article{min-width:0;padding:36px 48px 48px;border-left:1px solid var(--pay-line)}.pay-about-salutation{margin:0 0 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li:before{content:"";position:absolute;top:.65em;left:0;width:6px;height:6px;border-radius:50%;background:var(--pay-pink)}.pay-about-section--last{padding-bottom:4px}.pay-about-signature{margin:28px 0 0!important;color:var(--pay-ink)!important;text-align:right;font-size:15px!important;font-weight:700}.pay-hero{max-width:920px;margin:0 auto;padding:0 0 10px;text-align:center}.pay-eyebrow{color:var(--pay-pink-dark);font-size:11px;font-weight:700;letter-spacing:.2em}.pay-hero h1{margin:0 0 10px;color:var(--pay-ink);font-size:clamp(34px,4.2vw,54px);line-height:1.18;letter-spacing:-.065em}.pay-hero p{margin:0 auto;color:var(--pay-muted);font-size:14px;line-height:1.8}.pay-billing-switch{position:relative;width:fit-content;min-height:48px;margin:22px auto 15px;padding:4px;display:flex;align-items:center;gap:2px;border:1px solid var(--pay-line);border-radius:26px;background:#eceef1;overflow:hidden}.pay-billing-switch:before{content:"";position:absolute;z-index:0;top:4px;bottom:4px;left:4px;width:calc(50% - 3px);border-radius:20px;background:#fff;box-shadow:0 2px 7px #1c1d2114;pointer-events:none;transform:translate(0);transition:transform .28s cubic-bezier(.22,1,.36,1)}.pay-billing-switch--annual:before{transform:translate(calc(100% + 2px))}.pay-billing-switch button{position:relative;z-index:1;min-width:124px;min-height:38px;padding:0 17px;color:#666b74;border:0;border-radius:20px;background:transparent;cursor:pointer;font-size:13px;font-weight:600;transition:color .2s ease}.pay-billing-switch button:hover,.pay-billing-switch button.active{color:var(--pay-ink)}.pay-billing-switch em{color:var(--pay-pink-dark);font-size:11px;font-style:normal}.pay-trial-strip{width:fit-content;max-width:100%;min-height:32px;margin:0 auto 21px;padding:0 12px;display:flex;align-items:center;gap:6px;color:#777b83;border:1px solid #ead7df;border-radius:5px;background:var(--pay-pink-soft);font-size:12px}.pay-trial-strip svg{width:14px;height:14px;color:var(--pay-pink)}.pay-plan-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:stretch}.pay-plan{min-width:0;min-height:675px;padding:28px 28px 30px;display:flex;flex-direction:column;border:1px solid var(--pay-line);border-radius:12px;background:var(--pay-surface);transition:border-color .16s ease,box-shadow .16s ease}.pay-plan--focused{border-color:#c9ccd2;box-shadow:0 8px 24px #1d1e220f}.pay-plan-header{min-height:56px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.pay-plan-label{color:var(--pay-soft);font-size:12px}.pay-plan h2{margin:5px 0 0;color:var(--pay-ink);font-size:22px;letter-spacing:-.04em}.pay-plan-badge{padding:5px 8px;color:#fff;border-radius:4px;background:var(--pay-pink);font-size:11px;font-weight:700;white-space:nowrap}.pay-plan-audience{min-height:46px;margin:13px 0 0;color:var(--pay-muted);font-size:13px;line-height:1.7}.pay-price-block{min-height:84px;margin-top:27px}.pay-main-price{display:flex;align-items:baseline;gap:6px}.pay-main-price strong{color:var(--pay-ink);font-size:47px;line-height:1;letter-spacing:-.065em}.pay-main-price span{color:#454950;font-size:13px}.pay-price-compare{min-height:18px;margin-top:9px;color:var(--pay-soft);font-size:12px}.pay-price-compare em{margin-left:5px;padding:3px 5px;color:var(--pay-pink-dark);border-radius:4px;background:var(--pay-pink-soft);font-size:10px;font-style:normal;font-weight:700}.pay-price-rule{margin-top:18px;padding:10px 11px;display:flex;justify-content:space-between;gap:10px;color:#7f848c;border-radius:7px;background:#f4f5f7;font-size:11px}.pay-plan-action{width:100%;min-height:46px;margin-top:14px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:7px;color:#fff;border:1px solid var(--pay-charcoal);border-radius:7px;background:var(--pay-charcoal);cursor:pointer;font-size:13px;font-weight:600;transition:background .16s ease,border-color .16s ease,transform .16s ease}.pay-plan-action:hover{color:#fff;border-color:#0f1013;background:#0f1013}.pay-plan-action:active{transform:translateY(1px)}.pay-plan-action svg{width:16px;height:16px}.pay-plan-note{min-height:19px;margin:9px 0 0;color:var(--pay-muted);text-align:center;font-size:12px}.pay-plan-divider{height:1px;margin:25px 0 19px;background:var(--pay-line)}.pay-plan h3{margin:0;color:var(--pay-ink);font-size:14px}.pay-feature-list{margin:13px 0 0;padding:0;display:grid;gap:11px;list-style:none}.pay-feature-list li{display:flex;align-items:flex-start;gap:9px;color:#555961;font-size:13px;line-height:1.6}.pay-feature-icon{flex:0 0 17px;width:17px;height:17px;margin-top:1px;display:grid;place-items:center;color:#7e8791;border-radius:50%;background:#f1f2f4}.pay-feature-icon svg{width:11px;height:11px}.pay-plan--professional .pay-feature-icon{color:var(--pay-pink-dark);background:var(--pay-pink-soft)}.pay-process{max-width:1000px;margin:18px auto 0;padding:20px 24px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;border:1px solid var(--pay-line);border-radius:10px;background:#fff}.pay-process>div{min-width:0;display:grid;grid-template-columns:31px minmax(0,1fr);gap:1px 10px;align-items:center}.pay-process span{grid-row:1 / 3;width:28px;height:28px;display:grid;place-items:center;color:var(--pay-pink-dark);border:1px solid #efc2d0;border-radius:50%;font-size:10px;font-weight:700}.pay-process strong{font-size:13px}.pay-process p{margin:1px 0 0;color:var(--pay-muted);font-size:11px;line-height:1.5}.pay-footer{max-width:1000px;margin:28px auto 0;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:var(--pay-soft);border-top:1px solid var(--pay-line);font-size:11px;line-height:1.6}.pay-footer span:last-child{white-space:nowrap}@media(max-width:780px){.pay-header{padding:0 18px}.pay-header-status{display:none}.pay-header-letter-link{display:none!important}.pay-header-right{gap:8px}.pay-main{width:min(100% - 28px,620px);padding-top:30px}.pay-letter-main{padding-top:18px}.pay-letter-breadcrumb{margin-bottom:10px}.pay-about{margin-top:0;margin-bottom:44px}.pay-about-intro{min-height:0;padding:28px 25px 25px;grid-template-columns:1fr;gap:20px}.pay-about-letter-mark{min-width:0;padding:10px 13px;align-self:start}.pay-about-layout{display:block}.pay-about-nav{position:static;padding:14px 18px;display:flex;align-items:center;gap:5px;overflow-x:auto;border-bottom:1px solid var(--pay-line);background:#fbfbfc;scrollbar-width:thin}.pay-about-nav>span{flex:0 0 auto;margin:0 7px 0 0}.pay-about-nav a{flex:0 0 auto;padding:6px 9px;border:1px solid var(--pay-line);border-radius:5px;background:#fff;white-space:nowrap}.pay-about-nav a:hover,.pay-about-nav a:focus-visible{border-color:#eab7c8;border-left-color:#eab7c8}.pay-about-article{padding:30px 25px 36px;border-left:0}.pay-hero{padding-top:10px}.pay-hero h1{font-size:clamp(32px,8vw,44px)}.pay-plan-grid{grid-template-columns:1fr}.pay-plan{min-height:0}.pay-process{grid-template-columns:1fr;gap:16px}.pay-footer{display:grid}.pay-footer span:last-child{white-space:normal}}@media(max-width:460px){.pay-header{min-height:64px}.pay-brand img{width:32px;height:32px}.pay-brand strong{font-size:15px}.pay-brand small{max-width:165px;overflow:hidden;text-overflow:ellipsis}.pay-header-right>a{min-height:32px;padding:0 9px;font-size:11px}.pay-main{width:min(100% - 22px,620px);padding-bottom:24px}.pay-letter-modal-root{padding:14px}.pay-letter-modal{padding:30px 20px 21px;border-radius:13px}.pay-letter-modal h2{font-size:24px}.pay-letter-modal-actions{grid-template-columns:1fr}.pay-letter-modal-secondary{min-height:38px}.pay-open-modal-root{padding:14px}.pay-open-modal{padding:29px 20px 20px;border-radius:13px}.pay-open-modal-heading{gap:11px;padding-right:19px}.pay-open-modal-icon{width:39px;height:39px;border-radius:10px}.pay-open-modal-icon svg{width:21px;height:21px}.pay-open-modal h2{font-size:23px}.pay-open-modal-heading p{font-size:12px}.pay-open-modal-body{grid-template-columns:1fr;gap:17px;padding:14px}.pay-open-modal-qr{width:min(220px,100%);justify-self:center}.pay-open-modal-contact{text-align:center}.pay-open-modal-wechat{justify-content:center}.pay-open-modal-footer{align-items:stretch;flex-direction:column}.pay-open-modal-secondary{width:100%}.pay-letter-breadcrumb{font-size:10px}.pay-about-intro{padding:24px 18px 22px}.pay-about-intro h2{font-size:26px}.pay-about-lead{font-size:17px}.pay-about-sublead{font-size:12px}.pay-about-nav{padding-inline:12px}.pay-about-article{padding:25px 18px 30px}.pay-about-section-title{font-size:19px}.pay-about-article p{font-size:13px;line-height:1.85}.pay-about-emphasis{font-size:15px!important}.pay-about-level-item,.pay-about-source-item{grid-template-columns:40px minmax(0,1fr);gap:10px}.pay-about-level-code{width:35px}.pay-billing-switch{width:100%}.pay-billing-switch button{flex:1;min-width:0}.pay-trial-strip{align-items:flex-start;padding:7px 10px;line-height:1.5}.pay-plan{padding:23px 20px 24px}}@media(prefers-reduced-motion:reduce){.pay-billing-switch:before,.pay-billing-switch button,.pay-letter-modal-root,.pay-letter-modal,.pay-open-modal-root,.pay-open-modal,.pay-plan-action,.pay-open-modal-wechat button{transition:none;animation:none}}