/* Scoped addition. Existing v6 typography, palette and motion remain authoritative. */
.fb-module,.fb-page{--fb-dark:#102c23;--fb-line:#d8ded9;--fb-soft:#eef4ef;--fb-green:var(--v6-cta-ink);--fb-muted:#575f59;--fb-ease:cubic-bezier(.22,1,.36,1)}
.fb-module{max-width:1200px;margin:28px auto 80px;padding:0 clamp(16px,4vw,48px)}
.fb-module-inner{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center;padding:48px;background:var(--fb-dark);border-radius:16px;color:#fff}
.fb-module h2{font-size:clamp(27px,3.1vw,40px);line-height:1.4;letter-spacing:-.02em;margin:12px 0 20px;color:#fff}
.fb-module p{font-size:15px;line-height:1.85;color:#d5e4db;margin:0 0 26px;max-width:35em}
.fb-kicker{display:inline-flex;gap:10px;align-items:center;font-size:13px;font-weight:700;color:var(--fb-green)}
.fb-kicker:before{content:'';width:8px;height:8px;background:currentColor;border-radius:50%}
.fb-module .fb-kicker{color:#72e3b2}
.fb-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.fb-primary,.fb-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 22px;border-radius:8px;font-size:14px;font-weight:700;text-decoration:none;line-height:1.45;transition:background .2s var(--fb-ease),transform .2s var(--fb-ease)}
.fb-primary{background:var(--v6-cta);color:#082218}
.fb-primary:hover{background:#27ca93;transform:translateY(-2px)}
.fb-secondary{padding-inline:0;color:var(--fb-dark);text-decoration:underline;text-underline-offset:5px}
.fb-module .fb-secondary{color:#e5f6eb}
.fb-module-visual{margin:0;min-width:0}
.fb-module-visual img{width:100%;height:auto;display:block;border-radius:8px;background:#fff}
.fb-module-visual figcaption{font-size:12px;color:#cfdfd5;line-height:1.7;margin-top:12px}
.fb-module-route{display:flex;justify-content:space-between;gap:10px;padding:15px 0 0;font-size:12px;color:#cfdfd5}
.fb-module-route span+span:before{content:'→';margin-right:10px;color:#72e3b2}
.fb-page{background:var(--v6-bg-a);line-height:1.75}
.fb-page .v6-nav{max-width:1320px;margin:auto}
.fb-page .nav-links{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end}

.fb-skip{position:absolute;top:12px;left:16px;z-index:10;padding:12px 18px;background:var(--fb-dark);color:#fff;transform:translateY(-160%)}
.fb-skip:focus{transform:none}
.fb-wrap{max-width:1200px;margin:auto;padding:0 clamp(20px,4vw,48px)}
.fb-hero{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:72px}
.fb-hero h1{font-size:clamp(32px,4.1vw,54px);line-height:1.32;letter-spacing:-.025em;margin:20px 0 24px;font-weight:900;text-wrap:balance}
.fb-hero h1 span{color:var(--fb-green)}
.fb-hero .fb-lead{font-size:17px;color:var(--fb-muted);line-height:1.95;margin:0 0 28px;max-width:31em}
.fb-hero-visual{margin:0;min-width:0}
.fb-hero-visual img{width:100%;height:auto;display:block;border:1px solid var(--fb-line);border-radius:12px}
.fb-image-link{display:block;border-radius:12px}
.fb-caption{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--fb-muted);line-height:1.8;margin-top:12px}
.fb-caption a{color:var(--fb-green);text-decoration:underline;text-underline-offset:4px;min-height:44px;display:inline-flex;align-items:center}
.fb-section{padding-top:76px;padding-bottom:76px;scroll-margin-top:30px}
.fb-section-head{display:flex;justify-content:space-between;gap:36px;align-items:start;margin-bottom:34px}
.fb-section h2{font-size:clamp(26px,3vw,38px);line-height:1.4;letter-spacing:-.02em;margin:0 0 12px;font-weight:900}
.fb-section-head p{font-size:15px;color:var(--fb-muted);max-width:37em;margin:4px 0 0;line-height:1.9}
.fb-method{background:var(--fb-dark);color:#fff;padding:52px 0}
.fb-method ol{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.fb-method li{position:relative}
.fb-method b{display:block;color:#72e3b2;font-size:12px;margin-bottom:12px}
.fb-method h2{font-size:20px;margin:0 0 10px;line-height:1.5}
.fb-method p{color:#d5e4db;font-size:14px;line-height:1.85;margin:0}
.fb-fields{border-top:1px solid var(--fb-line)}
.fb-field{border-bottom:1px solid var(--fb-line)}
.fb-field summary{display:grid;grid-template-columns:1fr 1.7fr 28px;gap:20px;align-items:center;cursor:pointer;list-style:none;padding:23px 0;min-height:74px}
.fb-field summary::-webkit-details-marker{display:none}
.fb-field summary strong{font-size:18px}
.fb-field summary span{font-size:14px;color:var(--fb-muted)}
.fb-field summary:after{content:'+';font-size:24px;color:var(--fb-green);text-align:center}
.fb-field[open] summary:after{content:'−'}
.fb-field summary:hover strong,.fb-faq summary:hover{color:var(--fb-green)}
.fb-field-body{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:0 0 26px 0;font-size:14px}
.fb-field-body p{margin:0;color:var(--fb-muted);line-height:1.9}
.fb-field-body b{display:block;color:var(--fb-dark);margin-bottom:7px;font-size:13px}
.fb-note{color:var(--fb-muted);font-size:13px;line-height:1.9;margin:22px 0 0}
.fb-foundation{background:var(--fb-soft)}
.fb-layers{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.fb-layer{padding:24px 0 0;border-top:2px solid var(--fb-green)}
.fb-layer h3{font-size:21px;margin:0 0 14px}
.fb-layer p{font-size:14px;color:var(--fb-muted);line-height:1.95;margin:0}
.fb-layer .fb-layer-out{font-size:13px;color:var(--fb-green);font-weight:700;margin-top:20px}
.fb-role-strip{display:flex;align-items:center;gap:32px;border-block:1px solid var(--fb-line);padding:20px 0;margin:0 0 36px}
.fb-role-strip p{display:flex;flex-direction:column;gap:3px;margin:0;font-size:14px}
.fb-role-strip strong{color:var(--fb-dark)}
.fb-role-strip p span{color:var(--fb-muted)}
.fb-role-strip>span{color:var(--fb-green);font-size:24px}
.fb-proof-tabs{display:flex;gap:32px;border-bottom:1px solid var(--fb-line);margin-bottom:32px}
.fb-proof-tabs[hidden],.fb-proof[hidden]{display:none}
.fb-proof-tabs button{font:inherit;font-size:16px;font-weight:700;color:var(--fb-muted);background:none;border:0;border-bottom:3px solid transparent;padding:12px 2px;cursor:pointer;min-height:48px}
.fb-proof-tabs button[aria-selected="true"]{color:var(--fb-green);border-bottom-color:var(--fb-green)}
.fb-proof-tabs button:hover{color:var(--fb-dark)}
.fb-proof{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.7fr);gap:44px;align-items:center;min-height:460px}
.fb-proof+.fb-proof{margin-top:44px}
.fb-proofs.is-enhanced .fb-proof{margin-top:0}
.fb-proof-copy h3{font-size:clamp(24px,2.3vw,30px);line-height:1.5;margin:0 0 18px;letter-spacing:-.02em}
.fb-proof-copy p{font-size:15px;color:var(--fb-muted);line-height:1.9;margin:0}
.fb-proof-copy ul{padding:0 0 0 19px;margin:22px 0;color:var(--fb-muted);font-size:14px;line-height:2.1}
.fb-proof-copy li::marker{color:var(--fb-green)}
.fb-proof-media{margin:0;min-width:0;background:var(--fb-soft);border-radius:12px;padding:24px;display:flex;align-items:center;justify-content:center;min-height:460px}
.fb-proof-media a{display:block;max-width:100%;border-radius:4px;cursor:zoom-in}
.fb-proof-media img{display:block;max-width:100%;max-height:440px;width:auto;height:auto}
.fb-proof-tabs button:focus-visible,.fb-viewer button:focus-visible,.fb-viewer-body:focus-visible{outline:3px solid var(--fb-green);outline-offset:4px}
.fb-page.fb-image-open{overflow:hidden}
.fb-viewer{width:min(1200px,calc(100vw - 32px));max-width:none;max-height:90dvh;padding:0;border:1px solid var(--fb-line);border-radius:12px;background:var(--v6-bg-a);color:var(--fb-dark)}
.fb-viewer::backdrop{background:rgba(8,22,16,.76)}
.fb-viewer-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 24px;border-bottom:1px solid var(--fb-line)}
.fb-viewer-head h2{font-family:var(--v6-font);font-size:17px;font-weight:700;margin:0;line-height:1.6}
.fb-viewer-head>div{display:flex;gap:8px;flex-shrink:0}
.fb-viewer button{font:inherit;font-size:14px;min-height:44px;border:1px solid var(--fb-line);border-radius:6px;background:transparent;color:var(--fb-dark);padding:8px 12px;cursor:pointer}
.fb-viewer button:hover,.fb-viewer button[aria-pressed="true"]{background:var(--fb-soft)}
.fb-viewer-body{max-height:calc(90dvh - 150px);padding:24px;overflow:auto;overscroll-behavior:contain}
.fb-viewer-image{display:block;margin:auto;width:auto;height:auto;max-width:100%;max-height:calc(90dvh - 198px)}
.fb-viewer.is-original .fb-viewer-image{max-width:none;max-height:none;margin:0}
.fb-viewer>p{margin:0;padding:12px 24px;font-size:13px;color:var(--fb-muted);border-top:1px solid var(--fb-line)}
.fb-cooperate{list-style:none;margin:0;padding:0;counter-reset:fb-step}
.fb-cooperate li{display:grid;grid-template-columns:42px 1fr 1fr;gap:24px;border-top:1px solid var(--fb-line);padding:24px 0;counter-increment:fb-step}
.fb-cooperate li:before{content:counter(fb-step,decimal-leading-zero);font-family:var(--v6-mono);font-size:14px;color:var(--fb-green);padding-top:5px}
.fb-cooperate h3{font-size:18px;margin:0 0 7px}
.fb-cooperate p{font-size:14px;color:var(--fb-muted);margin:0;line-height:1.9}
.fb-cooperate .fb-result{font-size:14px;color:var(--fb-dark);line-height:1.9;padding-top:2px}
.fb-cooperate .fb-result b{display:block;font-size:12px;color:var(--fb-green);margin-bottom:5px}
.fb-faq{max-width:850px}
.fb-faq details{border-top:1px solid var(--fb-line);padding:20px 0}
.fb-faq summary{cursor:pointer;font-size:17px;font-weight:700}
.fb-faq p{font-size:14px;color:var(--fb-muted);margin:16px 0 0;line-height:1.95}
.fb-final{background:var(--fb-dark);color:#fff;padding:54px;border-radius:14px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.fb-final h2{font-size:28px;margin:0 0 12px;color:#fff}
.fb-final p{font-size:14px;color:#d5e4db;line-height:1.9;margin:0;max-width:40em}
.fb-final .fb-actions{flex-shrink:0;flex-direction:column;gap:10px;align-items:stretch}
.fb-final .fb-secondary{color:#e5f6eb}
.fb-page a:focus-visible,.fb-page summary:focus-visible,.fb-module a:focus-visible{outline:3px solid #009b69;outline-offset:5px}
@media(max-width:1000px){.fb-hero{gap:32px}.fb-hero h1{font-size:38px}.fb-module-inner{padding:32px;gap:28px}.fb-method ol{grid-template-columns:1fr 1fr;gap:32px}.fb-final{padding:36px}.fb-layers{gap:22px}}
@media(max-width:900px){.fb-proof{grid-template-columns:1fr;gap:24px}.fb-proof-copy{max-width:580px}.fb-proof-media{min-height:0}.fb-proof-copy ul{margin-block:14px}}
@media(max-width:900px){.fb-module-inner,.fb-hero{grid-template-columns:1fr}.fb-module{margin-bottom:48px}.fb-module-inner{padding:28px 22px}.fb-module h2{font-size:29px}.fb-module-route{flex-wrap:wrap;justify-content:flex-start}.fb-hero{padding-top:32px;padding-bottom:44px;gap:24px}.fb-hero h1{font-size:clamp(28px,8.2vw,36px);margin:16px 0 20px}.fb-hero .fb-lead{font-size:15px;margin-bottom:24px}.fb-section{padding-top:48px;padding-bottom:48px}.fb-section-head{display:block}.fb-section-head p{margin-top:16px}.fb-field summary{grid-template-columns:1fr 24px;gap:5px 12px;padding:20px 0}.fb-field summary strong{font-size:17px}.fb-field summary span{grid-column:1;font-size:14px}.fb-field summary:after{grid-column:2;grid-row:1/3}.fb-field-body,.fb-layers{grid-template-columns:1fr;gap:22px}.fb-cooperate li{grid-template-columns:28px 1fr;gap:12px}.fb-cooperate .fb-result{grid-column:2}.fb-final{display:block;padding:28px 22px}.fb-final .fb-actions{margin-top:24px;align-items:flex-start}.fb-method h2{font-size:18px}.fb-method p{font-size:14px}.fb-actions{gap:14px}.fb-caption{font-size:14px;gap:0}.fb-caption a{min-height:44px}.fb-role-strip{gap:12px;align-items:flex-start;flex-wrap:wrap;margin-bottom:24px}.fb-role-strip>p{flex:1 1 100%}.fb-role-strip>span{display:none}.fb-proof-tabs{gap:24px;margin-bottom:24px}.fb-proof-tabs button{font-size:15px}.fb-proof-media{padding:12px}.fb-proof-media img{max-height:380px}.fb-proof-copy h3{font-size:26px}.fb-note{font-size:14px}.fb-viewer-head{padding:12px;align-items:flex-start;flex-wrap:wrap;gap:8px}.fb-viewer-head>div{width:100%;justify-content:flex-end}.fb-viewer-body{padding:12px;max-height:calc(90dvh - 210px)}.fb-viewer-image{max-height:calc(90dvh - 234px)}.fb-viewer>p{padding:12px;font-size:14px}}
@media(prefers-reduced-motion:reduce){.fb-primary,.fb-secondary{transition:none}.fb-primary:hover{transform:none}}

@media(prefers-reduced-motion:no-preference){.fb-hero-copy{animation:fb-arrive .6s var(--fb-ease) both}.fb-hero-visual{animation:fb-arrive .7s var(--fb-ease) .08s both}@keyframes fb-arrive{from{transform:translateY(12px)}to{transform:none}}}

/* 本页导航: 吸在全站导航下方, 当前所在区块高亮 (factory-onboarding.js 负责高亮与平滑定位) */
.fb-subnav{position:sticky;top:var(--fb-nav-h,0px);z-index:25;background:rgba(253,252,250,.86);-webkit-backdrop-filter:blur(14px) saturate(1.4);backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--fb-line)}
.fb-subnav-inner{max-width:1200px;margin:auto;padding:10px clamp(16px,4vw,48px);display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.fb-subnav-inner::-webkit-scrollbar{display:none}
.fb-subnav a{flex:0 0 auto;display:inline-flex;align-items:center;min-height:36px;padding:0 16px;border-radius:999px;font-size:14px;color:var(--fb-muted);text-decoration:none;transition:background-color .3s var(--fb-ease),color .3s var(--fb-ease)}
.fb-subnav a:hover{color:var(--fb-dark);background:rgba(16,44,35,.05)}
.fb-subnav a[aria-current="true"]{background:var(--fb-dark);color:#fff}
.fb-page main [id]{scroll-margin-top:calc(var(--fb-nav-h,0px) + 72px)}
@media(prefers-reduced-motion:reduce){.fb-subnav a{transition:none}}
/* 手机: 与其他页面一致, Logo 一行、全站菜单一行 (横向滚动) */
@media(max-width:768px){.fb-page .v6-nav{flex-direction:column;gap:12px;align-items:flex-start}}