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auto;max-width:1220px;width:min(calc(100% - 40px),1220px)}.site-header{align-items:center;backdrop-filter:blur(18px);background:#f8f5eee0;border-bottom:1px solid rgba(217,209,194,.72);display:grid;gap:24px;grid-template-columns:1fr auto auto;padding:16px 0 12px;position:sticky;top:0;z-index:50}.site-header:before{background:inherit;border-bottom:inherit;content:"";inset:0 calc((100vw - 100%)/-2);pointer-events:none;position:absolute;z-index:-1}.brand{align-items:center;display:inline-flex;font-size:1.08rem;font-weight:800;gap:10px}.brand img{border-radius:9px}.top-nav{display:flex;gap:26px}.top-nav a,.text-link{color:var(--muted);font-size:.98rem;font-weight:700}.top-nav a:hover,.text-link:hover{color:var(--text)}.header-actions{align-items:center;display:flex;gap:12px}.language-switch{align-items:center;background:#ffffff8a;border:1px solid var(--border);border-radius:999px;display:inline-flex;gap:2px;padding:3px}.language-switch a{align-items:center;border-radius:999px;color:var(--muted);display:inline-flex;font-size:.82rem;font-weight:900;height:32px;justify-content:center;min-width:34px;padding:0 9px}.language-switch a.active{background:var(--text);color:#fff}.header-cta,.button{align-items:center;background:var(--text);border:1px solid var(--text);border-radius:999px;color:#fff;display:inline-flex;font-weight:800;justify-content:center;min-height:48px;padding:0 22px}.button.inverse{background:#fff;border-color:#fff;color:var(--text)}.button.disabled{background:#cfc8bc;border-color:#cfc8bc;color:#fff}.hero{align-items:center;display:grid;gap:54px;grid-template-columns:minmax(0,1fr) minmax(520px,.78fr);min-height:calc(100vh - 96px);padding:64px 0 90px}.hero-copy{display:grid;gap:26px;min-width:0}.plain-note{color:var(--accent-strong);font-size:.86rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.hero-subtitle,.page-hero p{font-size:clamp(1.18rem,2vw,1.5rem);max-width:710px}.hero-actions,.download-actions{align-items:center;display:flex;flex-wrap:wrap;gap:18px}.hero-pillars{border-bottom:1px solid var(--border);border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:6px}.hero-pillars div{border-left:1px solid var(--border);display:grid;gap:6px;min-width:0;padding:18px 18px 18px 0}.hero-pillars div:first-child{border-left:0}.hero-pillars strong{color:var(--text);font-size:.95rem;line-height:1.25}.hero-pillars span{color:var(--muted);font-size:.84rem;line-height:1.5}.product-frame{background:radial-gradient(circle at 82% 12%,rgba(198,76,255,.12),transparent 28%),#15120f;border:1px solid rgba(255,255,255,.12);border-radius:28px;box-shadow:var(--shadow);container-type:inline-size;color:#f8f5ee;overflow:hidden}.product-frame.compact{max-width:560px}.mock-toolbar{align-items:center;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;min-height:58px;padding:0 28px}.mock-toolbar strong{color:#ffffffe0;font-size:.92rem;letter-spacing:.02em}.mock-toolbar span{color:#ffffff85;font-size:.82rem;font-weight:800}.mock-shell{display:grid;grid-template-columns:minmax(190px,.72fr) minmax(0,1.28fr);min-height:420px}.mock-list{background:#ffffff0d;border-right:1px solid rgba(255,255,255,.1);display:grid;gap:10px;grid-auto-rows:max-content;padding:26px 22px}.mock-row{align-items:center;border-top:1px solid rgba(255,255,255,.1);display:grid;gap:12px;grid-template-columns:42px minmax(0,1fr);min-width:0;padding:18px 0 8px}.mock-row b{align-items:center;background:#ffffff1f;border-radius:50%;display:grid;height:42px;justify-content:center;width:42px}.mock-row.active b{background:var(--accent)}.mock-row span,.mock-detail p{color:#ffffffad;font-size:.95rem}.mock-row span{display:grid;gap:4px;min-width:0}.mock-row span strong{color:#ffffffdb;font-size:.98rem;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mock-row span small{color:#ffffff75;font-size:.76rem;line-height:1.25}.mock-detail{align-content:center;display:grid;gap:14px;padding:34px 34px 38px}.mock-label{color:#b891ff;font-size:.82rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.mock-detail h3{color:#fff;font-size:clamp(1.48rem,2.1vw,2rem);line-height:1.12;max-width:460px}html[lang=zh-CN] .mock-detail h3{font-size:clamp(1.42rem,1.95vw,1.9rem);line-height:1.18}.mock-status{align-items:baseline;display:flex;gap:12px;justify-content:space-between;max-width:480px}.mock-status strong{color:#ffffffc7;font-size:.85rem;line-height:1.35;text-align:right}.mock-message{border-left:3px solid rgba(198,76,255,.82);display:grid;gap:8px;margin-bottom:2px;max-width:460px;padding-left:14px}.mock-message span,.mock-source-line span{color:#ffffff70;font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}html[lang=zh-CN] .mock-message span,html[lang=zh-CN] .mock-source-line span{text-transform:none}.mock-message p{color:#ffffffe0;font-size:1.02rem;line-height:1.55}.mock-context-card{background:#ffffff13;border:1px solid rgba(255,255,255,.12);display:grid;gap:14px;max-width:480px;padding:22px}.mock-context-card p{line-height:1.62}.mock-insights{display:grid;gap:8px}.mock-insights span{border-left:2px solid rgba(198,76,255,.72);color:#ffffffb8;font-size:.84rem;line-height:1.45;padding-left:10px}.mock-next-line{background:#f8f5eef0;color:#15120f;display:grid;gap:6px;max-width:480px;padding:15px 18px}.mock-next-line span{color:#15120f94;font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}html[lang=zh-CN] .mock-next-line span{text-transform:none}.mock-next-line p{color:#15120f;font-size:1rem;font-weight:800;line-height:1.45}.mock-source-line{align-items:center;border-top:1px solid rgba(255,255,255,.1);display:flex;gap:10px;justify-content:space-between;margin-top:3px;padding-top:13px}.mock-source-line strong{color:#ffffffd1;font-size:.84rem;line-height:1.35;text-align:right}.mock-actions{display:flex;flex-wrap:wrap;gap:10px}.mock-actions span{background:#ffffff1a;border:1px solid rgba(255,255,255,.12);border-radius:999px;font-size:.92rem;font-weight:800;padding:10px 14px}.mock-actions span:first-child{background:#f8f5ee;border-color:#f8f5ee;color:#15120f}@container (max-width: 540px){.mock-shell{grid-template-columns:1fr}.mock-list{display:none}.mock-detail{min-height:430px;padding:30px}.mock-context-card,.mock-message,.mock-status,.mock-next-line{max-width:none}.mock-detail h3{max-width:320px}}.section{border-top:1px solid var(--border);padding:86px 0}.section-heading{display:grid;gap:16px;max-width:880px}.three-column{display:grid;gap:0;grid-template-columns:repeat(3,1fr);margin-top:48px}.three-column article{border-left:1px solid var(--border);display:grid;gap:14px;padding:0 28px}.three-column article:first-child{border-left:0;padding-left:0}.promise-map{border-bottom:1px solid var(--border);border-top:1px solid var(--border);display:grid;margin-top:48px}.promise-map article{align-items:start;border-top:1px solid var(--border);display:grid;gap:34px;grid-template-columns:72px minmax(0,1fr) minmax(150px,.25fr);padding:30px 0}.promise-map article:first-child{border-top:0}.promise-number{color:var(--accent-strong);font-size:.84rem;font-weight:900;letter-spacing:.08em}.promise-map article>div:nth-child(2){display:grid;gap:12px;max-width:760px}.promise-map h3{font-size:clamp(1.55rem,2.25vw,2.3rem)}.promise-proof{border-left:3px solid var(--accent);display:grid;gap:3px;justify-self:end;min-width:150px;padding-left:14px}.promise-proof span{color:var(--text);font-size:2.2rem;font-weight:900;line-height:1}.promise-proof strong{color:var(--muted);font-size:.82rem;line-height:1.35}.scenario-heading{max-width:980px}.scenario-heading p:not(.plain-note){max-width:790px}.scenario-groups{display:grid;gap:56px;margin-top:52px}.scenario-group{display:grid;gap:26px}.scenario-group-heading{align-items:end;border-bottom:1px solid var(--border);display:grid;gap:28px;grid-template-columns:minmax(260px,.4fr) minmax(0,.6fr);padding-bottom:22px}.scenario-group-heading .plain-note{grid-column:1 / -1}.scenario-group-heading h3{font-size:clamp(1.55rem,2.6vw,2.6rem)}.scenario-group-heading p:not(.plain-note){justify-self:end;max-width:520px}.scenario-list{border-top:1px solid var(--border);display:grid}.scenario-item{border-bottom:1px solid var(--border);display:grid;gap:42px;grid-template-columns:170px minmax(0,1fr);padding:38px 0}.scenario-index{align-content:start;display:grid;gap:10px}.scenario-index span{color:var(--accent-strong);font-size:.86rem;font-weight:900;letter-spacing:.08em}.scenario-index strong{color:var(--muted);font-size:1rem;line-height:1.4}.scenario-body{display:grid;gap:18px}.scenario-body h3{font-size:clamp(1.45rem,2.2vw,2.05rem);max-width:860px}.scenario-persona{max-width:850px}.scenario-flow{background:#ffffff61;border:1px solid var(--border);display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}.scenario-flow div{border-left:1px solid var(--border);min-width:0;padding:22px}.scenario-flow div:first-child{border-left:0}.scenario-flow span{color:var(--accent-strong);display:block;font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}html[lang=zh-CN] .scenario-flow span{text-transform:none}.scenario-flow p{color:var(--text);font-size:.96rem;line-height:1.62;margin-top:10px}.proof-section{display:grid;gap:44px}.proof-grid{align-items:start;display:grid;gap:42px;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr)}.proof-visual{background:#11161d;border:1px solid rgba(15,23,32,.18);box-shadow:var(--shadow);margin:0;overflow:hidden}.proof-visual img{display:block;height:auto;width:100%}.proof-list{border-top:1px solid var(--border);display:grid}.proof-list div{border-bottom:1px solid var(--border);display:grid;gap:16px;grid-template-columns:48px 1fr;padding:24px 0}.proof-list span{color:var(--accent-strong);font-size:.82rem;font-weight:900;letter-spacing:.08em}.proof-list p{color:var(--text);font-size:1rem;line-height:1.7}.split{align-items:start;display:grid;gap:60px;grid-template-columns:minmax(0,.85fr) minmax(360px,1fr)}.split>div:first-child{display:grid;gap:22px}.source-panel,.principle-list{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);display:grid}.source-panel div{border-top:1px solid var(--border);display:grid;gap:8px;grid-template-columns:42px 1fr;padding:26px}.source-panel div:first-child{border-top:0}.source-panel 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var(--border);padding:24px}.principle-list p:first-child{border-top:0}.use-case-hero{min-height:auto}.use-cases-grid{display:grid;gap:0;grid-template-columns:repeat(2,minmax(0,1fr))}.use-case-card{border-top:1px solid var(--border);display:grid;gap:14px;min-height:330px;padding:30px 34px 34px 0}.use-case-card:nth-child(odd){border-right:1px solid var(--border);padding-right:34px}.use-case-card:nth-child(2n){padding-left:34px}.use-case-card span{color:var(--accent-strong);font-size:.9rem;font-weight:900;letter-spacing:.08em}.use-case-card h2{font-size:clamp(1.8rem,3vw,3rem)}.use-case-card strong{border-left:3px solid var(--accent);color:var(--text);display:block;font-size:1rem;line-height:1.55;margin-top:auto;padding-left:16px}.detail-grid{display:grid;gap:44px;grid-template-columns:minmax(260px,.42fr) 1fr}.signal-strip{border-top:1px solid var(--border);padding-top:28px}.signal-strip h2{font-size:clamp(1.7rem,3vw,3.4rem);line-height:1.08}.timeline{display:grid;gap:0}.timeline article{border-top:1px solid var(--border);display:grid;gap:18px;grid-template-columns:90px minmax(220px,.55fr) 1fr;padding:34px 0}.detail-proof{background:var(--ink);color:#fffdf8;display:grid;gap:22px;grid-template-columns:minmax(240px,.45fr) 1fr;padding:46px}.detail-proof h2,.detail-proof p{color:#fffdf8}.detail-proof .plain-note{color:#cba1ff}.detail-proof .button{align-self:end;justify-self:start}.detail-proof p:not(.plain-note){color:#fffdf8c2}.site-footer{border-top:1px solid var(--border);display:grid;gap:28px;grid-template-columns:1.5fr 1fr;padding:46px 0 54px}.site-footer nav{display:flex;flex-wrap:wrap;gap:18px;justify-content:flex-end}.site-footer nav a{color:var(--muted);font-weight:700}.site-footer small{color:var(--muted);grid-column:1 / -1}.brand-footer{margin-bottom:14px}@media(max-width:1120px){.hero{grid-template-columns:1fr}.product-frame{max-width:760px}}@media(max-width:940px){.site-header{grid-template-columns:1fr auto}.top-nav{grid-column:1 / 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article{grid-template-columns:1fr}.use-case-card,.use-case-card:nth-child(odd),.use-case-card:nth-child(2n){border-right:0;min-height:auto;padding:28px 0}.detail-proof{padding:34px 28px}.scenario-item{gap:18px;grid-template-columns:1fr}.scenario-flow{grid-template-columns:1fr}.scenario-flow div,.scenario-flow div:first-child{border-left:0}.scenario-flow div{border-top:1px solid var(--border)}.scenario-flow div:first-child{border-top:0}.proof-grid{grid-template-columns:1fr}.cta-band{padding:44px 28px}.site-footer nav{justify-content:flex-start}}@media(max-width:560px){.site-header,.site-footer,main{width:min(calc(100% - 28px),1220px)}.header-cta{display:none}.header-actions{justify-content:flex-end}.language-switch a{min-width:32px}.top-nav{gap:14px;overflow-x:auto;padding-bottom:2px}h1{font-size:clamp(2.6rem,14vw,4.2rem)}html[lang=zh-CN] h1{font-size:clamp(2.32rem,10vw,3.25rem);line-height:1.08}.mock-list{display:none}.download-card{padding:30px 0}.security-list article{grid-template-columns:1fr;gap:12px}}