@charset "utf-8";
:root{--pg-ink:#1c1915;--pg-muted:#6b6258;--pg-bg:#f4efe6;--pg-card:#fffdf8;--pg-line:#e4d8c6;--pg-brand:#1f4e79;--pg-brand-ink:#12263a;--pg-foot:#161410;--pg-accent:#c2410c;--pg-radius:18px;--pg-shadow:0 18px 40px rgba(28,25,21,.08);--pg-head:rgba(244,239,230,.92)}
*{box-sizing:border-box}html,body{margin:0;padding:0;max-width:100%;overflow-x:clip}
body{font-family:"Iowan Old Style","Palatino Linotype","PingFang SC","Microsoft YaHei","Noto Serif SC",serif;color:var(--pg-ink);background:var(--pg-bg);line-height:1.8;font-size:16px}
img,svg,video,canvas{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}ul{list-style:none;margin:0;padding:0}
:where(.wrap,header .wrap,footer .wrap,.section,.hero-inner,.inner){width:min(1180px,92%);margin-left:auto;margin-right:auto;max-width:100%}
:where(body>header){position:sticky;top:0;z-index:30;background:var(--pg-head);border-bottom:1px solid var(--pg-line);backdrop-filter:blur(14px)}
:where(body>header>nav,body>header .nav){width:min(1180px,92%);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;flex-wrap:wrap}
:where(.logo,.nav .logo,body>header .brand){font-weight:800;font-size:22px;letter-spacing:.02em;color:var(--pg-brand-ink);white-space:nowrap}
:where(body>header nav ul){display:flex;flex-wrap:wrap;gap:8px 20px;margin:0;padding:0}
:where(body>header nav a){color:var(--pg-muted);font-size:14px}
:where(body>header nav a:hover){color:var(--pg-brand)}
:where(.nav-cta,.btn,.hero-actions a,a.btn,.pg-cta a){display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:999px;font-weight:700;border:1px solid transparent}
:where(.btn-solid,.nav-cta){background:var(--pg-brand);color:#fff}
:where(.btn-line){border-color:currentColor;background:transparent}
:where(.hero-text){max-width:740px;margin:0 auto 24px;color:rgba(255,255,255,.9)}
:where(.hero-actions){display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:24px 0 36px}
:where(.hero-stats,.stat-row,.stats,.data-row,.pg-stats){display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;width:min(1180px,92%);margin:28px auto 0}
:where(.stat,.hero-stats>div,.data-card,.pg-stat){background:var(--pg-card);color:var(--pg-ink);border-radius:var(--pg-radius);padding:24px 20px;box-shadow:var(--pg-shadow);border:1px solid var(--pg-line);text-align:left}
:where(.slash-1,.slash-2,.slash-3){border-left:5px solid var(--pg-accent)}
:where(.stat .num,.stats .num,.stat-row .num,.data-row .num,.pg-stats .num,.data-card .num,.pg-stat .num,.stat b,.stat strong,.hero-stats strong,.hero-stats b){display:block;font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.15;color:var(--pg-brand);overflow:visible;white-space:nowrap}
:where(.stat p,.stat span:not(.num),.hero-stats span){display:block;margin:8px 0 0;color:var(--pg-muted);font-size:14px}
:where(section,.section,.pg-extra){padding:72px 0}
:where(.section h2,section h2,.pg-extra h2){font-size:clamp(26px,3.2vw,36px);text-align:center;margin:0 0 12px;letter-spacing:-.02em}
:where(.section>p,section>p,.pg-extra>p,.pg-lead){text-align:center;color:var(--pg-muted);max-width:740px;margin:0 auto 36px}
:where(.grid-2,.grid-3,.grid-4,.pg-grid,.cards){display:grid;gap:22px}
:where(.grid-2){grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
:where(.grid-3,.cards,.pg-grid){grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
:where(.grid-4){grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
:where(.pg-card){background:var(--pg-card);border:1px solid var(--pg-line);border-radius:var(--pg-radius);padding:26px 24px;box-shadow:var(--pg-shadow)}
:where(.pg-card h3){margin:0 0 10px;font-size:19px;color:var(--pg-brand-ink)}
:where(.pg-card p){margin:0;color:var(--pg-muted)}
:where(.pg-step){counter-increment:pgstep;position:relative;padding-top:8px}
:where(.pg-step:before){content:counter(pgstep,decimal-leading-zero);display:block;font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--pg-accent);margin-bottom:8px}
:where(.pg-quote,.testimonial){background:var(--pg-card);border:1px solid var(--pg-line);border-radius:var(--pg-radius);padding:28px;box-shadow:var(--pg-shadow)}
:where(.pg-quote p){font-size:18px;color:var(--pg-ink)}
:where(.pg-faq details){background:var(--pg-card);border:1px solid var(--pg-line);border-radius:14px;padding:16px 18px;margin:0 0 12px}
:where(.pg-faq summary){cursor:pointer;font-weight:700;color:var(--pg-brand-ink)}
:where(.pg-chips){display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0 0 28px}
:where(.pg-chips span){border:1px solid var(--pg-line);background:var(--pg-card);border-radius:999px;padding:6px 12px;font-size:12px;color:var(--pg-muted)}
:where(.pg-cta){text-align:center;background:linear-gradient(135deg,#12263a,#1f4e79);color:#fff;border-radius:28px;padding:48px 28px}
:where(.contact){text-align:center}
:where(body>footer,main~footer,.site-footer){background:var(--pg-foot);color:#e8dfd2;padding:56px 0 28px;margin-top:8px;display:block}
:where(.footer-grid){width:min(1180px,92%);margin:0 auto 24px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:28px}
:where(.site-footer .footer-brand,.footer-brand){width:min(1180px,92%);margin:0 auto 20px}
:where(.footer-brand strong){display:block;font-size:22px;color:#fff;margin-bottom:8px}
:where(.footer-brand p){margin:0;max-width:520px;color:#c4b8a6}
:where(.footer-links,.footer-nav,body>footer ul,.site-footer ul){width:min(1180px,92%);margin:0 auto 20px;display:flex;flex-wrap:wrap;gap:10px 22px;padding:0}
:where(.footer-links a,body>footer a,.site-footer a){color:#f3ebe0}
:where(.footer-copy,.footer-bottom){width:min(1180px,92%);margin:0 auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#a89c8c}
@media(max-width:720px){:where(body>header>nav,.nav){padding:10px 0}:where(.section,section,.pg-extra){padding:44px 0}:where(.stat .num,.stat b,.stat strong){white-space:normal}}

:where(.container){width:100%;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}
:where(.flex){display:flex}:where(.inline-flex){display:inline-flex}:where(.grid){display:grid}
:where(.hidden){display:none}:where(.block){display:block}
:where(.items-center){align-items:center}:where(.justify-center){justify-content:center}:where(.justify-between){justify-content:space-between}
:where(.flex-wrap){flex-wrap:wrap}:where(.flex-col){flex-direction:column}
:where(.text-center){text-align:center}:where(.mx-auto){margin-left:auto;margin-right:auto}
:where(.relative){position:relative}:where(.absolute){position:absolute}
:where(.w-full){width:100%}:where(.h-full){height:100%}:where(.max-w-7xl){max-width:80rem}
:where(.rounded){border-radius:.25rem}:where(.rounded-lg){border-radius:.5rem}:where(.rounded-xl){border-radius:.75rem}:where(.rounded-2xl){border-radius:1rem}:where(.rounded-full){border-radius:9999px}

:root{--pg-brand:#4b2a7a;--pg-brand-ink:#6d3fb3;--pg-accent:#e8e337;--pg-radius:2px}
:where(body>header){border-bottom-color:#4b2a7a33}

:root {
  --color-primary: #4b2a7a;
  --color-secondary: #6d3fb3;
  --color-highlight: #e8e337;
  --color-bg: #f8f6fc;
  --color-text: #241538;
  --color-border: #e2ddf0;
  --color-darkband: #2d1b4e;
  --radius-base: 2px;
  --radius-card: 8px;
  --radius-btn: 12px;
  --shadow-sm: 0 2px 6px rgba(75,42,122,0.08);
  --shadow-md: 0 6px 14px rgba(75,42,122,0.15);
  --space-section: 80px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
body>header,/* Navigation */
.site-header,/* Navigation */
.site-head,/* Navigation */
header#top,/* Navigation */
header#site-header{ position: sticky; top: 0; z-index: 100; background: rgba(248,246,252,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--color-border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand-logo { font-size: 17px; font-weight: 600; color: var(--color-primary); letter-spacing: -0.5px; white-space: nowrap; }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links li a { font-size: 15px; font-weight: 500; color: var(--color-text); opacity: 0.85; transition: all 0.2s ease; position: relative; padding: 6px 0; }
.nav-links li a:hover, .nav-links li a.active { opacity: 1; color: var(--color-primary); }
.nav-links li a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 100%; height: 2px; background: var(--color-primary); border-radius: 2px; }
.btn-nav { display: inline-flex; align-items: center; gap: 8px; background: var(--color-primary); color: #fff; padding: 10px 22px; border-radius: var(--radius-btn); font-weight: 500; font-size: 14px; border: none; cursor: pointer; transition: all 0.25s ease; box-shadow: var(--shadow-sm); }
.btn-nav:hover { background: var(--color-secondary); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.mobile-toggle { display: none; background: transparent; border: none; cursor: pointer; padding: 8px; }
.mobile-menu { display: none; position: fixed; inset: 0; background: var(--color-bg); z-index: 90; padding: 80px 24px 24px; flex-direction: column; gap: 24px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 18px; font-weight: 500; color: var(--color-text); padding: 12px 0; border-bottom: 1px solid var(--color-border); }

/* Hero */
.hero { padding: 48px 0 40px; text-align: center; }
.hero-title { font-size: 34px; font-weight: 700; line-height: 1.25; color: var(--color-text); margin-bottom: 12px; letter-spacing: -0.5px; }
.hero-sub { font-size: 16px; color: #5a4b75; max-width: 680px; margin: 0 auto 32px; line-height: 1.6; }
.hero-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 24px; text-align: left; }

/* Sections */
section { padding: var(--space-section) 0; position: relative; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag { display: inline-block; font-family: "JetBrains Mono", Consolas, monospace; font-size: 12px; font-weight: 600; color: var(--color-secondary); background: rgba(109,63,179,0.08); padding: 6px 14px; border-radius: 20px; margin-bottom: 16px; letter-spacing: 0.5px; }
.section-title { font-size: 28px; font-weight: 700; color: var(--color-text); margin-bottom: 12px; letter-spacing: -0.5px; }
.section-desc { font-size: 15px; color: #665c78; max-width: 700px; margin: 0 auto; line-height: 1.65; }

/* Dark Band Override */
.dark-band { background: var(--color-darkband); color: #f0ecfa; }
.dark-band .section-tag { background: rgba(232,227,55,0.15); color: var(--color-highlight); }
.dark-band .section-title { color: #fff; }
.dark-band .section-desc { color: #dcd6f0; }

/* Cards */
.card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 24px; transition: all 0.25s cubic-bezier(0.4,0,0.2,1); position: relative; overflow: hidden; }
.card:hover { border-color: var(--color-primary); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(75,42,122,0.12); }
.card-icon { width: 44px; height: 44px; background: rgba(75,42,122,0.06); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--color-primary); }
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--color-text); }
.card-text { font-size: 14px; color: #5a4b75; line-height: 1.6; }
.card-meta { font-family: "JetBrains Mono", Consolas, monospace; font-size: 12px; color: var(--color-secondary); margin-top: 12px; display: flex; align-items: center; gap: 6px; }
.arrow-sm { width: 14px; height: 14px; }

/* Tables / Lists */
.compare-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare-table th, .compare-table td { padding: 14px 16px; border-bottom: 1px solid var(--color-border); text-align: left; }
.compare-table th { font-weight: 600; color: var(--color-text); background: rgba(75,42,122,0.03); }
.compare-table td { color: #5a4b75; }
.check { color: var(--color-primary); font-weight: 700; }
.cross { color: #d1c8d9; }

.featured-row { display: flex; gap: 20px; overflow-x: auto; padding-bottom: 12px; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
.featured-item { min-width: 320px; flex: 1; scroll-snap-align: start; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tag-pill { font-family: "JetBrains Mono", Consolas, monospace; font-size: 13px; padding: 8px 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 20px; color: #e0daf0; transition: all 0.2s; cursor: pointer; }
.tag-pill:hover { background: rgba(232,227,55,0.1); border-color: var(--color-highlight); color: var(--color-highlight); }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card { counter-increment: step; position: relative; padding-top: 40px; }
.step-num { position: absolute; top: 0; left: 0; width: 32px; height: 32px; background: var(--color-highlight); color: var(--color-darkband); font-family: "JetBrains Mono", Consolas, monospace; font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center; border-radius: 6px; }
.step-title { font-weight: 600; margin-bottom: 6px; color: #fff; }
.step-desc { font-size: 13px; color: #c9c2d8; line-height: 1.5; }

/* Testimonial */
.quote-block { border-left: 3px solid var(--color-highlight); padding-left: 16px; margin: 20px 0; }
.quote-text { font-style: italic; color: #e8e2f7; font-size: 15px; line-height: 1.6; }
.quote-author { font-family: "JetBrains Mono", Consolas, monospace; font-size: 12px; color: #a39bc5; margin-top: 8px; }

/* Footer */
.footer { background: #1a0f28; color: #d6d0e8; padding: 60px 0 0; margin-top: 40px; }
.footer-cta { background: linear-gradient(135deg, var(--color-primary), #3d2366); padding: 48px 0; text-align: center; margin-bottom: 40px; }
.footer-title { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-sub { color: #c4bde6; font-size: 15px; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding: 0 24px 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: #a9a1c8; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--color-highlight); }
.copyright { text-align: center; font-size: 13px; color: #7a7296; padding: 24px 0 32px; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .hero-title { font-size: 28px; }
  .hero-grid { grid-template-columns: 1fr; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-cols { grid-template-columns: 1fr; gap: 32px; }
  section { padding: 60px 0; }}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero { padding: 32px 0 24px; }
  .hero-title { font-size: 24px; }
  .section-title { font-size: 22px; }
  .featured-row { gap: 14px; }
  .featured-item { min-width: 280px; }}

/* Focus/State Utilities */
button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.hover-lift { transition: transform 0.2s ease, box-shadow 0.2s ease; }
.hover-lift:hover { transform: translateY(-2px); }
.text-mono { font-family: "JetBrains Mono", Consolas, monospace; }

#about .section-title{color:#1a1a1a!important}
#about .section-desc{color:#1a1a1a!important}
.dark-band .section-title{color:#1a1a1a!important}
.dark-band .section-desc{color:#1a1a1a!important}
#categories .section-title{color:#1a1a1a!important}
#categories .section-desc{color:#1a1a1a!important}
#scenarios .section-title{color:#1a1a1a!important}
#scenarios .section-desc{color:#1a1a1a!important}
#start .section-title{color:#1a1a1a!important}
#start .section-desc{color:#1a1a1a!important}
#contact .section-title{color:#1a1a1a!important}
#contact .section-desc{color:#1a1a1a!important}

html,body{max-width:100%!important;overflow-x:clip!important}
body,main{transform:none!important;left:auto!important;right:auto!important}
main{width:100%;max-width:100%;display:block;position:relative}
section,article,.section,header,footer,.pg-extra{max-width:100%;overflow:visible!important}
p,h1,h2,h3,h4,h5,h6,li{overflow:visible!important;max-width:100%;text-indent:0}
.min-h-screen{min-height:72vh}
.text-transparent,[class~="text-transparent"],.bg-clip-text{color:inherit!important;-webkit-text-fill-color:currentColor!important;background-clip:border-box!important;-webkit-background-clip:border-box!important}
img,svg,video,canvas{max-width:100%;height:auto}
.stat-row .stat .num,.stat .num,.hero-stats .num,.stat b,.stat strong,.hero-stats strong,.hero-stats b{display:block!important;font-size:clamp(28px,4vw,42px)!important;font-weight:800!important;line-height:1.15!important;overflow:visible!important;max-width:none!important;white-space:nowrap}
mark,mark[data-pg-kw]{background:transparent!important;color:inherit!important;padding:0!important}

section header,article header,.sec-head,.section-head,.sec-header,header.sec-head{position:static!important;top:auto!important;height:auto!important;min-height:0!important;line-height:inherit!important}