:root{--pp-primary:#2c6bff;--pp-deep:#174ee6;--pp-ink:#17233d;--pp-muted:#5f6f89;--pp-border:#e5ecf7;--pp-soft:#f6f9ff;--pp-max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--pp-ink);background:#fff;font-family:'Microsoft YaHei','PingFang SC','Helvetica Neue',Arial,sans-serif;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}.pp-container{width:min(var(--pp-max),calc(100% - 48px));margin:0 auto}.theme-teal{--pp-primary:#0f9d8a;--pp-deep:#087d6e;--pp-soft:#f2fbf9}.theme-indigo{--pp-primary:#5b6bff;--pp-deep:#4452d6;--pp-soft:#f5f5ff}.theme-orange{--pp-primary:#d9822b;--pp-deep:#b96516;--pp-soft:#fff8f0}
.pp-nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);border-bottom:1px solid var(--pp-border);backdrop-filter:blur(15px)}.pp-nav-inner{height:74px;display:flex;align-items:center;gap:28px}.pp-brand{display:flex;align-items:center;gap:11px;min-width:270px;font-weight:800}.pp-brand img{width:116px}.pp-brand span{padding-left:11px;border-left:1px solid var(--pp-border);font-size:14px}.pp-nav nav{display:flex;justify-content:center;gap:27px;flex:1;color:var(--pp-muted);font-size:15px}.pp-nav nav a:hover{color:var(--pp-primary)}.pp-nav-cta{padding:11px 20px;border-radius:999px;background:var(--pp-primary);color:#fff;font-size:14px;font-weight:800;box-shadow:0 9px 22px color-mix(in srgb,var(--pp-primary) 24%,transparent)}
.pp-hero{overflow:hidden;padding:38px 0 84px;background:linear-gradient(135deg,var(--pp-soft),#fff);border-bottom:1px solid var(--pp-border)}.pp-breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:48px;color:#8290a7;font-size:13px}.pp-breadcrumb a:hover{color:var(--pp-primary)}.pp-breadcrumb b{color:#40506a}.pp-hero-grid{display:grid;grid-template-columns:1fr .95fr;gap:64px;align-items:center}.pp-eyebrow,.pp-section-tag{color:var(--pp-primary);font-size:14px;font-weight:800;letter-spacing:.08em}.pp-hero-copy h1{margin:17px 0 20px;font-size:clamp(45px,5vw,68px);line-height:1.14;letter-spacing:-.055em}.pp-hero-copy>p{margin:0;color:var(--pp-muted);font-size:19px;line-height:1.85}.pp-plain{display:grid;gap:6px;margin-top:24px;padding:17px 19px;border-left:3px solid var(--pp-primary);border-radius:0 13px 13px 0;background:#fff;box-shadow:0 10px 30px rgba(30,61,117,.06)}.pp-plain b{color:var(--pp-primary);font-size:13px}.pp-plain span{color:#41516b;font-size:16px;line-height:1.75}.pp-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}.pp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 23px;border-radius:999px;font-size:15px;font-weight:800;transition:.2s}.pp-btn:hover{transform:translateY(-2px)}.pp-btn-primary{background:var(--pp-primary);color:#fff;box-shadow:0 10px 25px color-mix(in srgb,var(--pp-primary) 24%,transparent)}.pp-btn-ghost{background:#fff;color:var(--pp-primary);border:1px solid #cbd7e9}.pp-route-card{padding:24px;border:1px solid var(--pp-border);border-radius:24px;background:#fff;box-shadow:0 26px 68px rgba(29,62,127,.13)}.pp-route-top{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:800}.pp-route-top b{color:var(--pp-primary);font-size:11px}.pp-route-nodes{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:9px;align-items:center;margin:35px 0 28px}.pp-route-nodes article{min-height:154px;padding:18px 12px;border:1px solid var(--pp-border);border-radius:17px;text-align:center;background:var(--pp-soft)}.pp-route-nodes strong{display:inline-flex;align-items:center;justify-content:center;min-width:48px;height:48px;padding:0 9px;border-radius:14px;background:#fff;color:var(--pp-primary);font-size:24px}.pp-route-nodes h3{margin:13px 0 7px;font-size:15px}.pp-route-nodes p{margin:0;color:var(--pp-muted);font-size:12px;line-height:1.6}.pp-route-nodes>i{color:var(--pp-primary);font-style:normal;font-size:22px}.pp-route-note{padding:13px 15px;border-radius:12px;background:#f5f8fd;color:#66758d;font-size:13px;line-height:1.7}
.pp-section{padding:94px 0}.pp-heading{max-width:780px;margin:0 auto 42px;text-align:center}.pp-heading>span{color:var(--pp-primary);font-size:14px;font-weight:800;letter-spacing:.08em}.pp-heading h2{margin:14px 0 11px;font-size:clamp(34px,4vw,49px);line-height:1.23;letter-spacing:-.045em}.pp-heading p{margin:0;color:var(--pp-muted);font-size:17px;line-height:1.8}.pp-step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.pp-step-grid article{padding:25px 22px;border:1px solid var(--pp-border);border-radius:18px;background:#fff}.pp-step-grid b{color:var(--pp-primary);font-size:13px}.pp-step-grid h3{margin:17px 0 9px;font-size:19px}.pp-step-grid p{margin:0;color:var(--pp-muted);font-size:15px;line-height:1.75}
.pp-fit{background:var(--pp-soft)}.pp-fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.pp-fit-card{padding:28px;border:1px solid var(--pp-border);border-radius:20px;background:#fff}.pp-fit-title{display:flex;align-items:center;gap:12px}.pp-fit-title b{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;background:#eaf8f4;color:#0f9d8a;font-size:18px}.pp-fit-no .pp-fit-title b{background:#fff2ef;color:#c2413b}.pp-fit-title h3{margin:0;font-size:22px}.pp-fit-card ul{margin:24px 0 0;padding:0;list-style:none;display:grid;gap:13px}.pp-fit-card li{position:relative;padding-left:21px;color:#40506a;font-size:16px;line-height:1.65}.pp-fit-card li:before{content:'•';position:absolute;left:2px;color:var(--pp-primary);font-weight:900}
.pp-capability{background:#0e1b33;color:#fff}.pp-heading-light p{color:#aebcd2}.pp-heading-light>span{color:#89a8ff}.pp-capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.pp-capability-grid article{padding:25px 22px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(255,255,255,.055)}.pp-capability-grid b{color:#91afff;font-size:13px}.pp-capability-grid h3{margin:17px 0 8px;font-size:20px}.pp-capability-grid p{margin:0;color:#b4c1d6;font-size:15px;line-height:1.75}
.pp-requirements{background:var(--pp-soft)}.pp-require-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center}.pp-require-grid h2{margin:14px 0 14px;font-size:clamp(34px,4vw,48px);line-height:1.25;letter-spacing:-.045em}.pp-require-grid>div>p{margin:0;color:var(--pp-muted);font-size:17px;line-height:1.85}.pp-require-grid .pp-btn{margin-top:27px}.pp-require-grid ol{margin:0;padding:0;list-style:none;display:grid;gap:12px}.pp-require-grid li{display:grid;grid-template-columns:48px 1fr;gap:14px;align-items:center;padding:18px;border:1px solid var(--pp-border);border-radius:15px;background:#fff}.pp-require-grid li b{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;background:var(--pp-soft);color:var(--pp-primary);font-size:12px}.pp-require-grid li span{color:#34445f;font-size:16px;line-height:1.6}
.pp-faq-list{max-width:900px;margin:0 auto;display:grid;gap:11px}.pp-faq details{border:1px solid var(--pp-border);border-radius:15px;background:#fff;overflow:hidden}.pp-faq summary{position:relative;padding:20px 54px 20px 21px;cursor:pointer;list-style:none;font-size:17px;font-weight:800}.pp-faq summary::-webkit-details-marker{display:none}.pp-faq summary:after{content:'+';position:absolute;right:22px;top:14px;color:var(--pp-primary);font-size:27px;font-weight:400}.pp-faq details[open] summary:after{content:'−'}.pp-faq details p{margin:0;padding:0 21px 20px;color:var(--pp-muted);font-size:15px;line-height:1.8}
.pp-related{background:var(--pp-soft)}.pp-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.pp-related-grid a{padding:24px;border:1px solid var(--pp-border);border-radius:18px;background:#fff;transition:.2s}.pp-related-grid a:hover{transform:translateY(-4px);border-color:var(--pp-primary);box-shadow:0 16px 35px rgba(31,67,135,.08)}.pp-related-grid span{color:var(--pp-primary);font-size:12px;font-weight:800}.pp-related-grid h3{margin:13px 0 8px;font-size:21px}.pp-related-grid p{min-height:76px;margin:0;color:var(--pp-muted);font-size:15px;line-height:1.7}.pp-related-grid b{display:block;margin-top:18px;color:var(--pp-primary);font-size:14px}
.pp-final{padding:72px 0;background:linear-gradient(135deg,var(--pp-deep),var(--pp-primary));color:#fff}.pp-final .pp-container{display:flex;align-items:center;justify-content:space-between;gap:35px}.pp-final span{color:rgba(255,255,255,.7);font-size:13px;font-weight:800}.pp-final h2{margin:13px 0 8px;font-size:42px;letter-spacing:-.04em}.pp-final p{margin:0;color:rgba(255,255,255,.8);font-size:16px}.pp-btn-light{background:#fff;color:var(--pp-primary);min-width:170px}.pp-footer{background:#f8fafe;border-top:1px solid var(--pp-border)}.pp-footer .pp-container{display:flex;justify-content:space-between;gap:20px;padding:29px 0}.pp-footer strong,.pp-footer span{display:block}.pp-footer span{margin-top:6px;color:#8492a8;font-size:13px}.pp-footer .pp-container>div:last-child{display:flex;gap:21px;align-items:center;color:#6d7d96;font-size:13px}
@media(max-width:1000px){.pp-nav nav{display:none}.pp-brand{min-width:0;flex:1}.pp-hero-grid{grid-template-columns:1fr}.pp-route-card{max-width:720px}.pp-step-grid{grid-template-columns:1fr 1fr}.pp-capability-grid{grid-template-columns:1fr 1fr}.pp-require-grid{grid-template-columns:1fr;gap:40px}.pp-related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.pp-container{width:min(var(--pp-max),calc(100% - 34px))}.pp-nav-inner{height:66px}.pp-brand img{width:103px}.pp-brand span{font-size:12px}.pp-nav-cta{padding:9px 13px;font-size:12px}.pp-hero{padding:28px 0 65px}.pp-breadcrumb{margin-bottom:34px}.pp-hero-copy h1{font-size:42px}.pp-hero-copy>p{font-size:17px}.pp-route-nodes{grid-template-columns:1fr}.pp-route-nodes>i{transform:rotate(90deg);text-align:center}.pp-step-grid,.pp-fit-grid,.pp-capability-grid,.pp-related-grid{grid-template-columns:1fr}.pp-section{padding:70px 0}.pp-related-grid p{min-height:0}.pp-final .pp-container{display:block;text-align:center}.pp-final h2{font-size:34px}.pp-final .pp-btn{margin-top:25px}.pp-footer .pp-container{display:block;text-align:center}.pp-footer .pp-container>div:last-child{justify-content:center;flex-wrap:wrap;margin-top:18px}}