:root{--ink:#17202a;--muted:#65717f;--line:#dbe3ec;--paper:#fbf8f1;--panel:#fff;--navy:#0f2742;--blue:#1f6f9f;--aqua:#4bb6b7;--gold:#c7953c;--shadow:0 24px 70px rgba(15,39,66,.14);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Segoe UI",sans-serif;line-height:1.75;color:var(--ink);background:radial-gradient(circle at 12% 8%,rgba(75,182,183,.2),transparent 30rem),radial-gradient(circle at 86% 14%,rgba(199,149,60,.15),transparent 26rem),linear-gradient(135deg,#f8f1e4 0%,#edf6f6 48%,#f8fafc 100%)}body.nav-open{overflow:hidden}a{color:inherit;text-decoration:none}svg{max-width:100%}p{color:var(--muted)}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.hero{position:relative;overflow:clip;padding:96px 0 86px}.hero:before,.hero:after{position:absolute;content:"";border-radius:999px;pointer-events:none}.hero:before{width:430px;height:430px;right:max(24px,calc((100vw - 1180px)/2));top:42px;border:1px 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span{color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.part-card strong{font-size:24px;line-height:1.2}.part-card em{color:var(--muted);font-size:14px;font-style:normal}.part-card.is-current{color:white;border-color:transparent;background:radial-gradient(circle at 86% 18%,rgba(255,255,255,.18),transparent 7rem),linear-gradient(135deg,var(--navy),var(--blue))}.part-card.is-current span,.part-card.is-current em{color:rgba(255,255,255,.78)}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;font-weight:900}.btn.primary{color:white;background:linear-gradient(135deg,var(--navy),var(--blue));box-shadow:0 16px 36px rgba(31,111,159,.28)}.btn.secondary{border:1px solid rgba(15,39,66,.2);color:var(--navy);background:rgba(255,255,255,.76)}.hero-panel{position:relative;border:1px solid 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0;height:5px;content:"";background:linear-gradient(90deg,var(--blue),var(--aqua),var(--gold))}.capability-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.value-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(320px,1fr);gap:42px;align-items:center}.metric-board{display:grid;gap:16px}.metric-board div{padding:26px;border-radius:28px;color:white;background:linear-gradient(135deg,var(--navy),var(--blue));box-shadow:var(--shadow)}.metric-board strong{display:block;font-size:clamp(38px,6vw,66px);line-height:1;letter-spacing:-.06em}.metric-board span{color:rgba(255,255,255,.78);font-weight:800}.architecture-map{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-bottom:22px}.arch-node{display:grid;min-height:110px;place-items:center;padding:16px;border:1px dashed 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(max-width:1100px){.principle-grid,.capability-grid,.roadmap,.flowline{grid-template-columns:repeat(2,minmax(0,1fr))}.architecture-map{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:980px){.hero-grid,.pain-layout,.value-grid{grid-template-columns:1fr}.hero-panel{max-width:620px}.part-switch{grid-template-columns:1fr}}@media (max-width:768px){.hero{padding:58px 0 52px}.section{padding:56px 0}.container{width:min(100% - 32px,1180px)}h1{font-size:clamp(36px,12vw,54px)}h2{font-size:clamp(28px,9vw,40px)}.hero-lead,.section-heading p{font-size:16px}.principle-grid,.capability-grid,.tech-notes,.roadmap,.flowline,.architecture-map{grid-template-columns:1fr}.pain-item{grid-template-columns:1fr;gap:8px}.part-card{min-height:112px}.hero-actions .btn{width:100%}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.part-card{transition:none}}

.detail-link{display:inline-flex;align-items:center;min-height:48px;color:var(--blue);font-weight:900;text-decoration:none}.detail-link:after{content:"→";margin-left:8px;color:var(--gold)}.guide-page .guide-hero{position:relative;overflow:clip;padding:96px 0 72px}.guide-page .guide-hero:before{position:absolute;content:"";width:420px;height:420px;right:max(24px,calc((100vw - 1180px)/2));top:40px;border-radius:999px;border:1px solid rgba(31,111,159,.16);background:radial-gradient(circle at center,rgba(31,111,159,.12),transparent 58%),repeating-radial-gradient(circle at center,rgba(31,111,159,.13) 0 1px,transparent 1px 22px)}.guide-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.42fr);gap:42px;align-items:center}.guide-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}.guide-note{padding:28px;border:1px solid rgba(219,227,236,.94);border-radius:30px;background:rgba(255,255,255,.78);box-shadow:var(--shadow)}.guide-note span{display:block;margin-bottom:10px;color:var(--gold);font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.guide-note strong{display:block;margin-bottom:12px;color:var(--navy);font-size:24px;line-height:1.25}.guide-layout{display:grid;grid-template-columns:minmax(240px,.36fr) minmax(0,1fr);gap:36px;align-items:start}.guide-index{position:sticky;top:104px}.guide-index span{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;margin-bottom:18px;border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--navy),var(--blue));font-weight:900}.guide-card{padding:24px;border:1px solid rgba(219,227,236,.9);border-radius:var(--radius);background:rgba(255,255,255,.84);box-shadow:0 18px 46px rgba(15,39,66,.08)}.guide-card ul{margin:12px 0 0;padding-left:20px;color:var(--muted)}.guide-card li+li{margin-top:8px}.guide-card code{padding:.08em .34em;border-radius:7px;color:var(--navy);background:rgba(31,111,159,.08);font-family:Consolas,"Courier New",monospace}.guide-card pre{overflow:auto;margin:14px 0 18px;padding:18px;border-radius:18px;color:#eaf6f6;background:#091421;line-height:1.55}.guide-card pre code{padding:0;color:inherit;background:transparent}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.chip-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}.chip-list span{padding:8px 12px;border-radius:999px;color:var(--navy);background:rgba(31,111,159,.09);font-weight:800}.button-map,.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.button-map div,.result-grid div{padding:16px;border-radius:18px;background:rgba(236,248,248,.75)}.button-map strong,.result-grid strong{display:block;color:var(--navy);font-size:18px}.button-map p,.result-grid p{margin-bottom:0}.faq-list{display:grid;gap:16px}@media (max-width:980px){.guide-hero-grid,.guide-layout{grid-template-columns:1fr}.guide-index{position:static}.guide-grid,.guide-grid.three,.button-map,.result-grid{grid-template-columns:1fr}.guide-actions .btn,.guide-actions .detail-link{width:100%;justify-content:center}}

/* guide responsive refinement */
.guide-page .container{width:min(1180px,calc(100% - 40px))}.guide-page h1{max-width:860px}.guide-page .hero-lead{max-width:760px}.guide-page .guide-card{min-width:0}.guide-page .guide-card p{line-height:1.75}.guide-page .guide-card pre{max-width:100%;white-space:pre;word-break:normal}.guide-page .guide-card pre code{white-space:pre}.guide-page .footer-links{gap:14px}
@media (min-width:769px) and (max-width:1180px){.guide-page .container{width:min(100% - 48px,1040px)}.guide-page .guide-hero{padding:76px 0 62px}.guide-page .guide-hero-grid{grid-template-columns:minmax(0,1fr) minmax(260px,.44fr);gap:28px}.guide-page h1{font-size:clamp(40px,6vw,64px)}.guide-page h2{font-size:clamp(28px,4.4vw,42px)}.guide-page .hero-lead{font-size:18px}.guide-page .guide-layout{grid-template-columns:minmax(210px,.34fr) minmax(0,1fr);gap:24px}.guide-page .guide-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-page .button-map,.guide-page .result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-page .guide-card{padding:22px}.guide-page .guide-note{padding:24px}.guide-page .section{padding:68px 0}}
@media (max-width:768px){.guide-page .container{width:min(100% - 28px,1180px)}.guide-page .guide-hero{padding:48px 0 44px}.guide-page .guide-hero:before{width:260px;height:260px;right:-82px;top:28px}.guide-page h1{font-size:clamp(34px,11vw,48px);letter-spacing:-.055em}.guide-page h2{font-size:clamp(25px,8.2vw,34px);letter-spacing:-.035em}.guide-page h3{font-size:19px}.guide-page .eyebrow{font-size:12px;letter-spacing:.1em}.guide-page .hero-lead{font-size:16px;line-height:1.75}.guide-page .guide-note{padding:20px;border-radius:24px}.guide-page .guide-note strong{font-size:21px}.guide-page .section{padding:48px 0}.guide-page .section-heading{margin-bottom:22px}.guide-page .guide-layout{gap:18px}.guide-page .guide-index span{width:36px;height:36px;margin-bottom:12px}.guide-page .guide-index p{font-size:15px}.guide-page .guide-card{padding:18px;border-radius:20px}.guide-page .guide-card ul{padding-left:18px}.guide-page .guide-card pre{margin:12px -2px 16px;padding:14px;border-radius:14px;font-size:12px;line-height:1.5}.guide-page .chip-list{gap:8px}.guide-page .chip-list span{padding:7px 10px;font-size:13px}.guide-page .button-map div,.guide-page .result-grid div{padding:14px}.guide-page .summary-card{padding:24px}.guide-page .summary-card p{font-size:16px}.guide-page .footer-links{width:100%;justify-content:flex-start}}
@media (max-width:420px){.guide-page .container{width:min(100% - 22px,1180px)}.guide-page .guide-hero{padding:40px 0 36px}.guide-page h1{font-size:32px}.guide-page .hero-lead{font-size:15px}.guide-page .guide-actions{gap:10px}.guide-page .btn{min-height:44px;padding:0 14px;font-size:14px}.guide-page .guide-card{padding:16px}.guide-page .guide-card pre{font-size:11px}.guide-page .footer-links a{font-size:13px}}

/* guide horizontal overflow guard */
.guide-page{width:100%;max-width:100%;overflow-x:hidden}.guide-page main,.guide-page section,.guide-page .container,.guide-page .guide-hero-grid,.guide-page .guide-layout,.guide-page .guide-grid,.guide-page .button-map,.guide-page .result-grid,.guide-page .faq-list,.guide-page .guide-card,.guide-page .guide-note,.guide-page .summary-card{max-width:100%;min-width:0}.guide-page .guide-card *,.guide-page .guide-note *,.guide-page .summary-card *{min-width:0}.guide-page p,.guide-page li,.guide-page h1,.guide-page h2,.guide-page h3,.guide-page strong,.guide-page a{overflow-wrap:anywhere}.guide-page .guide-card pre{display:block;width:100%;max-width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior-inline:contain}.guide-page .guide-card pre code{display:inline-block;min-width:max-content;overflow-wrap:normal;word-break:normal;white-space:pre}
@media (max-width:768px){.guide-page{overflow-x:hidden}.guide-page .container{max-width:calc(100vw - 28px)}.guide-page .guide-card pre{max-width:100%;margin-left:0;margin-right:0}.guide-page .footer-container{max-width:calc(100vw - 22px)}}
@media (max-width:420px){.guide-page .container{max-width:calc(100vw - 22px)}.guide-page .guide-card pre{width:100%}}

/* guide inline path wrapping */
.guide-page .guide-card p code,.guide-page .guide-card li code{white-space:normal;overflow-wrap:anywhere;word-break:break-word}.guide-page .guide-card pre code{white-space:pre;overflow-wrap:normal;word-break:normal}