/* 多软件分销平台（公开前台 + 个人中心）。色板和圆角沿用 ui-preview。所有类名以 pf- 开头，不影响旧站样式。 */
:root{--pf-bg:#f4f6f8;--pf-paper:#fff;--pf-ink:#152033;--pf-muted:#5d6a7e;--pf-line:#e4e8ee;--pf-nav:#111827;--pf-blue:#2667e8;--pf-blue-d:#0e4ec6;--pf-green:#14966f;--pf-purple:#8058d8;--pf-amber:#b36b00;--pf-red:#c63d48;--pf-shadow:0 14px 36px rgba(20,31,50,.09);--pf-r:12px}
*{box-sizing:border-box}
html,body{margin:0}
body.pf{font:15px/1.65 Inter,"SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","PingFang SC","Noto Sans JP","Noto Sans SC",sans-serif;color:var(--pf-ink);background:var(--pf-bg);-webkit-font-smoothing:antialiased}
.pf a{color:var(--pf-blue);text-decoration:none}.pf a:hover{text-decoration:underline}
.pf :focus-visible{outline:3px solid #8fb2ff;outline-offset:2px;border-radius:6px}
.pf h1,.pf h2,.pf h3{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em}
.pf h1{font-size:clamp(28px,4.4vw,46px)}.pf h2{font-size:clamp(22px,2.6vw,30px)}.pf h3{font-size:18px}
.pf p{margin:0 0 1em}
.pf-skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;border-radius:8px;z-index:100}.pf-skip:focus{left:8px}
.pf-wrap{max-width:1160px;margin:0 auto;padding:0 24px}
/* 顶栏 */
.pf-top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--pf-line)}
.pf-top .pf-wrap{display:flex;align-items:center;gap:22px;height:68px}
.pf-brand{display:flex;align-items:center;gap:10px;color:var(--pf-ink)!important;font-weight:800;letter-spacing:.02em;text-decoration:none!important;white-space:nowrap}
.pf-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2667e8,#8058d8);color:#fff;font-size:13px;font-weight:800}
.pf-links{display:flex;gap:4px;flex:1}.pf-links a{white-space:nowrap;padding:8px 12px;border-radius:9px;color:#37465c;font-weight:600}.pf-links a:hover{background:#eef2f8;text-decoration:none}.pf-links a[aria-current]{color:var(--pf-blue);background:#eaf1ff}
.pf-actions{display:flex;align-items:center;gap:10px}
.pf-lang{display:flex;gap:2px;padding:3px;border:1px solid var(--pf-line);border-radius:10px;background:#fff}.pf-lang a{white-space:nowrap;padding:3px 9px;border-radius:7px;font-size:12px;font-weight:700;color:#4a5870}.pf-lang a[aria-current]{background:var(--pf-nav);color:#fff}.pf-lang a:hover{text-decoration:none}
.pf-menu{display:none}.pf-menu summary{white-space:nowrap;list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--pf-line);border-radius:9px;font-weight:700}.pf-menu summary::-webkit-details-marker{display:none}
/* 按钮 / 状态 */
.pf-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:0 18px;border:1px solid var(--pf-line);border-radius:10px;background:#fff;color:var(--pf-ink)!important;font:inherit;font-weight:700;cursor:pointer;text-decoration:none!important;white-space:nowrap}
.pf-btn:hover{background:#f3f6fb}.pf-btn.primary{background:var(--pf-blue);border-color:var(--pf-blue);color:#fff!important}.pf-btn.primary:hover{background:var(--pf-blue-d)}
.pf-btn.big{min-height:50px;padding:0 26px;font-size:16px;border-radius:12px}.pf-btn.small{min-height:32px;padding:0 12px;font-size:13px}.pf-btn.danger{color:var(--pf-red)!important;border-color:#f0c5c9}.pf-btn.wide{width:100%}
.pf-btn[disabled]{opacity:.5;cursor:not-allowed}
.pf-status{display:inline-flex;align-items:center;gap:5px;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#eef1f5;color:#4a5870}
.pf-status.good{background:#e3f6ee;color:#0b7a58}.pf-status.fixed{background:#efe9fb;color:#6a44c4}.pf-status.trial{background:#fff1d6;color:#8f5600}.pf-status.bad{background:#fde7e9;color:#a82f39}
/* 区块 */
.pf-hero{padding:92px 0 76px;background:radial-gradient(1000px 420px at 70% -10%,#dfe9ff 0,transparent 60%),linear-gradient(#fff,#f4f6f8)}
.pf-hero .pf-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.pf-kicker{display:inline-flex;gap:8px;align-items:center;margin-bottom:18px;padding:5px 14px;border:1px solid #cfdcf8;border-radius:999px;background:#fff;color:#2b55b4;font-size:13px;font-weight:700}
.pf-hero p.lead{font-size:18px;color:var(--pf-muted);max-width:620px}.pf-hero em{font-style:normal;color:var(--pf-blue)}
.pf-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 20px}.pf-proof{display:flex;flex-wrap:wrap;gap:18px;color:#42536b;font-size:14px;font-weight:600;padding:0;margin:0;list-style:none}
.pf-showcase{padding:22px;border:1px solid var(--pf-line);border-radius:18px;background:#fff;box-shadow:var(--pf-shadow)}
.pf-showcase .row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--pf-line);border-radius:12px;margin-bottom:10px}.pf-showcase .row:last-child{margin-bottom:0}
.pf-section{padding:72px 0}.pf-section.alt{background:#fff;border-block:1px solid var(--pf-line)}
.pf-head{max-width:720px;margin:0 auto 38px;text-align:center}.pf-head .eyebrow{color:var(--pf-blue);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.pf-head p{color:var(--pf-muted)}
.pf-page-head{padding:56px 0 34px;background:#fff;border-bottom:1px solid var(--pf-line)}.pf-page-head p{color:var(--pf-muted);max-width:720px;margin:0}
.pf-crumb{font-size:13px;color:var(--pf-muted);margin-bottom:12px}.pf-crumb a{color:var(--pf-muted)}
.pf-grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}.pf-grid.two{grid-template-columns:repeat(2,1fr)}.pf-grid.four{grid-template-columns:repeat(4,1fr)}
.pf-card{display:flex;flex-direction:column;gap:10px;padding:22px;border:1px solid var(--pf-line);border-radius:14px;background:#fff}
.pf-card.hover:hover{box-shadow:var(--pf-shadow);transform:translateY(-2px);transition:.15s}
.pf-card h3{margin:0}.pf-card p{margin:0;color:var(--pf-muted)}.pf-card .spacer{flex:1}
.pf-card footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;padding-top:12px;border-top:1px solid var(--pf-line)}
.pf-logo{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:12px;color:#fff;font-weight:800;font-size:18px;overflow:hidden}.pf-logo.large{width:56px;height:56px;border-radius:15px;font-size:24px}
.pf-logo.pf-logo-img{padding:0;background:#eef1f5}
.pf-logo img{width:100%;height:100%;object-fit:cover;display:block}
.pf-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:700;background:#2667e8;color:#fff;letter-spacing:.02em}
.pf-tags{display:flex;flex-wrap:wrap;gap:6px}.pf-tag{padding:2px 9px;border-radius:7px;background:#eef1f5;color:#4a5870;font-size:12px;font-weight:600}
.pf-list{margin:0;padding:0;list-style:none}.pf-list li{position:relative;padding:5px 0 5px 24px}.pf-list li::before{content:"✓";position:absolute;left:0;color:var(--pf-green);font-weight:800}
.pf-steps{counter-reset:s}.pf-steps .pf-card::before{counter-increment:s;content:"0" counter(s);color:var(--pf-blue);font-weight:800;font-size:13px}
.pf-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;padding:12px;border:1px solid var(--pf-line);border-radius:12px;background:#fff}
.pf-filter input,.pf-filter select{height:40px;padding:0 12px;border:1px solid var(--pf-line);border-radius:9px;font:inherit;background:#fff}.pf-filter input{flex:1;min-width:200px}
.pf-empty{padding:48px 20px;border:1px dashed #cdd5e1;border-radius:14px;text-align:center;color:var(--pf-muted);background:#fff}
.pf-toggle{display:inline-flex;gap:3px;padding:4px;border:1px solid var(--pf-line);border-radius:12px;background:#fff;margin-bottom:26px}.pf-toggle a{padding:7px 18px;border-radius:9px;color:#42536b;font-weight:700}.pf-toggle a[aria-current]{background:var(--pf-nav);color:#fff}.pf-toggle a:hover{text-decoration:none}
.pf-price{font-size:34px;font-weight:800;letter-spacing:-.02em}.pf-price small{font-size:14px;font-weight:600;color:var(--pf-muted)}
.pf-notice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid #f0d9a8;border-radius:12px;background:#fff8e8;color:#6b4a00;margin-bottom:18px}.pf-notice.info{border-color:#cfdcf8;background:#f0f5ff;color:#244a9a}.pf-notice.good{border-color:#bfe7d6;background:#eaf8f2;color:#0b6b4d}.pf-notice.bad{border-color:#f0c5c9;background:#fdeff0;color:#8d2530}
.pf-notice b{display:block}
/* 表单 */
.pf-form label{display:block;margin:14px 0 4px;font-weight:700;font-size:14px}.pf-form .hint{color:var(--pf-muted);font-size:13px}
.pf-form input[type=text],.pf-form input[type=email],.pf-form input[type=password],.pf-form input[type=number],.pf-form input[type=tel],.pf-form input[type=search],.pf-form select,.pf-form textarea{width:100%;min-height:42px;padding:9px 12px;border:1px solid #cfd6e2;border-radius:10px;font:inherit;background:#fff}
.pf-country{margin-top:14px}.pf-country label{margin-top:0}
.pf-country [data-country-filter]{margin-bottom:8px}
.pf-form select[name=country]{min-height:0;height:220px;padding:6px}
.pf-video{margin-top:8px;border-radius:14px;overflow:hidden;background:#111;aspect-ratio:16/9}
.pf-video video,.pf-video iframe{width:100%;height:100%;border:0;display:block;background:#111}
.pf-shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin:12px 0 0}
.pf-shots figure{margin:0}.pf-shots img{display:block;width:100%;height:140px;object-fit:cover;border-radius:12px;border:1px solid var(--pf-line);background:#fff}
.pf-form input:focus,.pf-form select:focus,.pf-form textarea:focus{border-color:var(--pf-blue)}
.pf-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pf-form fieldset{border:0;margin:20px 0 0;padding:0}.pf-form legend{font-weight:800;font-size:16px;margin-bottom:4px}
.pf-check{display:flex;gap:10px;align-items:flex-start;font-weight:400!important}.pf-check input{margin-top:5px}
.pf-auth{max-width:460px;margin:56px auto;padding:30px;border:1px solid var(--pf-line);border-radius:16px;background:#fff;box-shadow:var(--pf-shadow)}.pf-auth h1{font-size:26px}
/* 表格 */
.pf-table-wrap{overflow-x:auto;border:1px solid var(--pf-line);border-radius:12px;background:#fff}
.pf-table{width:100%;border-collapse:collapse;min-width:640px}.pf-table th,.pf-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--pf-line);vertical-align:top}.pf-table th{font-size:12px;color:var(--pf-muted);text-transform:uppercase;letter-spacing:.05em;background:#fafbfd}.pf-table tr:last-child td{border-bottom:0}.pf-table small{display:block;color:var(--pf-muted)}
.pf-num{text-align:right!important;white-space:nowrap}
/* 个人中心 */
.pf-account{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;padding:34px 0 70px}.pf-account>*{min-width:0}.pf-acc-main{min-width:0}
.pf-side{position:sticky;top:90px;align-self:start;display:grid;gap:4px}.pf-side a{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-radius:10px;color:#37465c;font-weight:700}.pf-side a:hover{background:#eaeef5;text-decoration:none}.pf-side a[aria-current]{background:#fff;color:var(--pf-blue);box-shadow:0 1px 0 var(--pf-line),0 0 0 1px var(--pf-line)}.pf-side em{font-style:normal;font-size:12px;background:#e6ebf3;border-radius:999px;padding:0 8px;color:#4a5870}
.pf-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.pf-metric{padding:18px;border:1px solid var(--pf-line);border-radius:12px;background:#fff}.pf-metric small{color:var(--pf-muted);font-weight:700}.pf-metric strong{display:block;font-size:28px;line-height:1.2}.pf-metric span{color:var(--pf-muted);font-size:13px}
.pf-panel{padding:20px;border:1px solid var(--pf-line);border-radius:14px;background:#fff;margin-bottom:20px}.pf-panel>h2,.pf-panel>h3{margin-top:0}.pf-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.pf-seat{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--pf-line)}.pf-seat:first-of-type{border-top:0}.pf-seat .who{flex:1;min-width:0}.pf-seat .who small{display:block;color:var(--pf-muted)}
.pf-key{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.pf-key code{padding:5px 10px;border-radius:8px;background:#f0f3f8;font:600 14px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}
.pf-key-big{padding:16px 20px;border-radius:12px;background:#0f172a;color:#fff;font:700 20px ui-monospace,Menlo,monospace;letter-spacing:.06em;word-break:break-all}
.pf-inline{display:inline}.pf-actions-row{display:flex;flex-wrap:wrap;gap:8px}
.pf-details summary{cursor:pointer;color:var(--pf-blue);font-weight:700;padding:4px 0}
/* 页脚 */
.pf-foot{margin-top:40px;padding:44px 0 30px;background:#0f172a;color:#b9c3d6}.pf-foot a{color:#d6deec}.pf-foot .pf-wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}.pf-foot h2{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:10px}.pf-foot ul{margin:0;padding:0;list-style:none}.pf-foot li{padding:3px 0}.pf-foot small{display:block;margin-top:28px;grid-column:1/-1;color:#8190a8}
@media(max-width:1000px){.pf-account{grid-template-columns:minmax(0,1fr)}.pf-hero .pf-wrap{grid-template-columns:1fr}.pf-grid,.pf-grid.four{grid-template-columns:1fr 1fr}.pf-metrics{grid-template-columns:1fr 1fr}.pf-account{grid-template-columns:1fr}.pf-side{position:static;display:flex;overflow-x:auto;gap:6px;padding-bottom:4px}.pf-side a{white-space:nowrap}.pf-foot .pf-wrap{grid-template-columns:1fr 1fr}}
@media(max-width:1120px){.pf-links{display:none}.pf-menu{display:block;position:relative}.pf-menu[open] .pf-menu-list{position:absolute;right:0;top:46px;display:grid;min-width:210px;padding:8px;border:1px solid var(--pf-line);border-radius:12px;background:#fff;box-shadow:var(--pf-shadow)}.pf-menu-list a{padding:10px 12px;border-radius:8px;color:var(--pf-ink)}.pf-top .pf-wrap{gap:12px}.pf-actions{margin-left:auto}}
@media(max-width:760px){.pf-wrap{padding:0 18px}.pf-menu[open] .pf-menu-list{position:absolute;right:0;top:46px;display:grid;min-width:210px;padding:8px;border:1px solid var(--pf-line);border-radius:12px;background:#fff;box-shadow:var(--pf-shadow)}.pf-menu-list a{padding:10px 12px;border-radius:8px;color:var(--pf-ink)}
  .pf-top .pf-wrap{gap:10px;height:62px}.pf-actions .pf-btn.hide-sm{display:none}.pf-hero{padding:56px 0 44px}.pf-section{padding:48px 0}.pf-grid,.pf-grid.two,.pf-grid.four{grid-template-columns:1fr}.pf-form .row{grid-template-columns:1fr}.pf-foot .pf-wrap{grid-template-columns:1fr}.pf-seat{flex-wrap:wrap}.pf-auth{margin:24px 14px;padding:22px}.pf-price{font-size:28px}}
@media(max-width:520px){.pf-brand>span:last-child{display:none}}
@media(max-width:460px){.pf-metrics{grid-template-columns:1fr}.pf-cta .pf-btn{width:100%}.pf-lang a{padding:3px 7px}}
@media(prefers-reduced-motion:reduce){.pf *{transition:none!important}}