@font-face{font-family:Space Grotesk;font-style:normal;font-weight:300 700;font-display:swap;src:url(/_next/static/media/e1aab0933260df4d-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Space Grotesk;font-style:normal;font-weight:300 700;font-display:swap;src:url(/_next/static/media/b7387a63dd068245-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Space Grotesk;font-style:normal;font-weight:300 700;font-display:swap;src:url(/_next/static/media/36966cca54120369-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Space Grotesk Fallback;src:local("Arial");ascent-override:89.71%;descent-override:26.62%;line-gap-override:0.00%;size-adjust:109.69%}.__className_dd5b2f{font-family:Space Grotesk,Space Grotesk Fallback;font-style:normal}.__variable_dd5b2f{--font-sans:"Space Grotesk","Space Grotesk Fallback"}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(/_next/static/media/3d165c286d94e27c-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(/_next/static/media/e54d16b9f2c4535b-s.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(/_next/static/media/7c21074d9bafed1b-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(/_next/static/media/916860560b9a2bc2-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(/_next/static/media/591e43f23f51e5a5-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(/_next/static/media/97ac91773d3121b2-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:"Source Serif 4 Fallback";src:local("Times New Roman");ascent-override:87.87%;descent-override:28.41%;line-gap-override:0.00%;size-adjust:117.91%}.__className_25ee46{font-family:"Source Serif 4","Source Serif 4 Fallback";font-style:normal}.__variable_25ee46{--font-serif:"Source Serif 4","Source Serif 4 Fallback"}:root{--bg:#f7f8f4;--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--accent:#2f6bff;--accent-dark:#1f54d6;--card:#ffffff;--shadow:0 8px 24px rgba(15,23,42,0.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans),"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:linear-gradient(180deg,#eef7ee,#f7f8f4 40%,#ffffff)}h1,h2,h3{margin:0 0 .6rem;letter-spacing:-.02em}p{margin:0 0 1rem;color:var(--muted);font-family:var(--font-serif),"Noto Serif SC",Georgia,serif;line-height:1.6}a{color:inherit;text-decoration:none}button{font-family:inherit}.container{width:min(1200px,92vw);margin:0 auto}.section-anchor{scroll-margin-top:102px}.bg-grid{position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(90deg,rgba(15,23,42,.04) 1px,transparent 0),linear-gradient(180deg,rgba(15,23,42,.04) 1px,transparent 0);background-size:80px 80px;z-index:-1}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:rgba(247,247,247,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;padding:1.2rem 0;gap:1rem}.logo{font-weight:700;font-size:1.1rem;letter-spacing:.02em}.nav-links{display:flex;align-items:center;gap:1.2rem}.nav-links a{font-size:.95rem}.top-tab{padding:.52rem .95rem;border-radius:999px;font-weight:600}.top-tab.active{background:#f1f0ef}.top-tab:hover{color:var(--accent)}.top-tab-featured{color:#f05a2a}.top-tab-featured:focus-visible,.top-tab-featured:hover{color:#dc4820}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.7rem 1.4rem;border-radius:999px;border:1px solid transparent;font-weight:600;transition:all .2s ease;cursor:pointer}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-ghost{border-color:var(--line);background:#fff}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn[disabled]{opacity:.45;cursor:not-allowed;pointer-events:none}.btn-dark{background:#121333;color:#fff}.btn-dark:hover{background:#0b0c25}.profile-showcase{padding:2.2rem 0 1.4rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.profile-grid{display:grid;grid-template-columns:1fr 1.3fr;grid-gap:2.2rem;gap:2.2rem;align-items:center}.profile-media{display:grid;grid-gap:.8rem;gap:.8rem}.profile-copy h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.1;margin-bottom:.8rem}.profile-copy h1 span{display:block}.profile-title-focus{margin-top:.35rem;font-size:clamp(1.15rem,1.8vw,1.35rem);line-height:1.35;letter-spacing:-.03em}@media (min-width:1160px){.profile-title-focus{white-space:nowrap}}.profile-desc{max-width:34rem}.profile-head{display:flex;align-items:center;margin-bottom:1rem}.profile-name-row{display:flex;align-items:baseline}.profile-name-row span{color:#0f172a;font-size:clamp(1.6rem,2.6vw,2.15rem);font-weight:700;letter-spacing:.01em}.profile-visual{position:relative;width:100%;height:336px;min-height:336px;border-radius:28px;background:linear-gradient(135deg,#eef1f6,#e7edf8);border:1px dashed #cdd8ea;overflow:hidden;display:grid;place-items:center;color:#7a8aa3;font-weight:600}.profile-visual-image{width:100%;height:100%;object-fit:cover;object-position:center;display:block;border-radius:inherit}.hero-carousel-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:0;background:transparent;color:#fff;font-size:2.35rem;line-height:1;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;text-shadow:0 1px 4px rgba(15,23,42,.45);opacity:.62;transition:opacity .18s ease,transform .18s ease}.hero-carousel-btn:hover{opacity:.78}.hero-carousel-btn:active{transform:translateY(-50%) scale(.96)}.hero-carousel-btn-prev{left:6px}.hero-carousel-btn-next{right:6px}.hero-carousel-dots{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:inline-flex;align-items:center;gap:8px;padding:5px 10px;border-radius:999px;background:rgba(15,23,42,.25)}.hero-carousel-dot{width:18px;height:4px;border:0;border-radius:999px;background:rgba(255,255,255,.55);cursor:pointer;transition:width .18s ease,background .18s ease}.hero-carousel-dot.is-active{width:30px;background:#fff}.profile-visual-caption{margin:0;font-family:var(--font-sans),"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:1rem;line-height:1.45;color:#4c5b70}.profile-bio{padding:2.2rem 0 2.8rem;border-bottom:1px solid var(--line);background:#fff}.bio-intro h3{font-size:2rem;margin-bottom:.8rem}.bio-intro p{font-size:1.18rem;color:#2b3545;margin-bottom:1.8rem;max-width:880px}.bio-card h4,.bio-skills h4{font-size:1.65rem;margin-bottom:1rem}.bio-skills{margin-bottom:1.6rem}.bio-values{margin-bottom:1.2rem}.bio-values h4{font-size:1.65rem;margin:0 0 8px}.value-tabs{display:flex;flex-wrap:wrap;gap:.7rem}.value-chip{border:1px solid #dde2ea;border-radius:999px;background:#fff;padding:.44rem .88rem;font-size:.92rem;font-weight:600;color:#364458;cursor:pointer;transition:all .18s ease}.value-chip.active,.value-chip:hover{border-color:var(--accent);color:var(--accent)}.value-chip.active{background:#eff4ff}.value-detail{margin:8px 0 0;display:none;font-size:1rem;color:#2b3545;line-height:1.6}.value-detail.is-visible{display:block}.bio-tags{display:flex;flex-wrap:wrap;gap:.8rem}.bio-tags span{display:inline-flex;align-items:center;padding:.56rem 1rem;border-radius:12px;background:#f0f2f5;color:#273141;font-weight:600}.bio-card{background:#f5f6f8;border:1px solid #e7ebf1;border-radius:16px;padding:1.8rem;display:grid;grid-gap:1.6rem;gap:1.6rem}.bio-list{display:grid;grid-gap:.85rem;gap:.85rem}.bio-item{display:flex;justify-content:space-between;align-items:flex-start;gap:1.4rem;font-size:1.02rem;color:#2b3545}.bio-item span:last-child{white-space:nowrap;color:#697486}.bio-block p{margin:0;color:#2b3545}.anchor-offset{height:0}#subscribe,.anchor-offset{scroll-margin-top:96px}.press{padding:3rem 0;border-top:1px solid var(--line);background:#fff}.press-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:2rem;gap:2rem;align-items:center}.logos{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:1.2rem 2rem;gap:1.2rem 2rem}.platform-item{display:grid;grid-gap:.28rem;gap:.28rem}.platform-name{font-size:.95rem;font-weight:500;color:#7b8797}.platform-account{font-size:1.05rem;font-weight:700;color:#1f2c3d;word-break:break-word}.hero{padding:5rem 0 3rem}.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;grid-gap:3rem;gap:3rem;align-items:start}.eyebrow{text-transform:uppercase;font-size:.8rem;letter-spacing:.2em;color:var(--muted)}.hero-copy h2{font-size:clamp(2.8rem,5vw,4.6rem);line-height:1.05}.lede{font-size:1.1rem;max-width:34rem}.hero-cta{display:flex;gap:1rem;margin:1.6rem 0;flex-wrap:wrap}.meta-row{display:flex;gap:2rem}.meta-title{font-size:1.6rem;font-weight:700}.meta-sub{color:var(--muted);font-size:.85rem}.hero-panel,.knowledge-panel,.media-panel,.projects-panel{display:grid;grid-gap:1.2rem;gap:1.2rem}.knowledge-panel-card,.media-panel-card,.panel-card,.projects-panel-card{background:var(--card);border:1px solid var(--line);padding:1.6rem;box-shadow:var(--shadow)}.panel-eyebrow{text-transform:uppercase;font-size:.7rem;letter-spacing:.18em;color:var(--muted)}.panel-strip{display:flex;flex-wrap:wrap;gap:.6rem;font-size:.85rem}.panel-strip span{border:1px solid var(--line);padding:.35rem .7rem;background:#fff}.text-link{color:var(--accent);font-weight:600}.text-link.is-disabled{color:#a1a8b3;pointer-events:none;cursor:not-allowed}.filters{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.filter-grid{display:grid;grid-template-columns:120px 1fr;align-items:center;grid-gap:1.5rem;gap:1.5rem;padding:1.2rem 0}.filter-title{font-weight:700}.chips{display:flex;flex-wrap:wrap;gap:.6rem}.chip{border:1px solid var(--line);padding:.4rem .8rem;border-radius:999px;background:#fff;cursor:pointer;transition:all .2s ease}.chip.active,.chip:hover{border-color:var(--accent);color:var(--accent)}.articles{padding:3.5rem 0}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:1.2rem;border-bottom:1px solid var(--line);padding-bottom:1rem;margin-bottom:2rem}.section-head p{margin:0}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1.5rem;gap:1.5rem;align-items:stretch}.card{background:var(--card);border:1px solid var(--line);padding:1.4rem;display:flex;flex-direction:column;gap:.8rem;transition:all .2s ease;height:100%}.card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.card-top{display:flex;justify-content:space-between;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.tag{border-bottom:2px solid var(--accent);padding-bottom:.2rem}.tag-button{background:transparent;border:0;border-bottom:2px solid var(--accent);color:inherit;cursor:pointer}.card h3{line-height:1.35}.card>p{margin-bottom:0}.card-meta{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.8rem;margin-top:auto}.pagination{padding:2rem 0 4rem}.knowledge-pagination,.media-pagination,.projects-pagination{padding-bottom:0}.pager{display:flex;align-items:center;justify-content:center;gap:1.2rem}.projects{padding:4.5rem 0 4rem;background-color:#fff2f2;background-image:linear-gradient(90deg,rgba(15,23,42,.04) 1px,transparent 0),linear-gradient(180deg,rgba(15,23,42,.04) 1px,transparent 0);background-size:80px 80px;border-top:1px solid #f0dcdc;border-bottom:1px solid #f0dcdc}.knowledge-intro,.media-intro,.projects-intro{padding-bottom:3rem}.knowledge-intro-grid,.media-intro-grid,.projects-intro-grid{display:grid;grid-template-columns:1.4fr 1fr;grid-gap:3rem;gap:3rem;align-items:start}.knowledge-copy h2,.media-copy h2,.projects-copy h2{font-size:clamp(2.4rem,4.2vw,3.6rem);line-height:1.08}.projects-panel-card{border-color:#f0dcdc}.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1.5rem;gap:1.5rem}.project-card{background:#fff;border:1px solid #ecd8d8;padding:1.5rem;min-height:320px;display:flex;flex-direction:column;transition:all .2s ease}.project-card:hover{border-color:#d2b5b5;box-shadow:var(--shadow)}.project-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.2rem}.project-status{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:#7d5555;border:1px solid #e6cfcf;border-radius:999px;padding:.26rem .62rem;background:#fff8f8}.project-arrow{font-size:1.8rem;line-height:1;color:#b24b4b}.project-arrow.is-disabled{color:#ccb8b8}.project-card h3{line-height:1.35;margin-bottom:.9rem}.project-card p{font-size:1rem;font-family:var(--font-serif),"Noto Serif SC",Georgia,serif;margin-bottom:1.3rem}.project-links{display:flex;flex-wrap:wrap;gap:1rem;margin-top:auto;margin-bottom:1rem}.project-tags{display:flex;flex-wrap:wrap;gap:.7rem;padding-top:1rem;border-top:1px solid #ebdfdf}.project-tags span{display:inline-flex;align-items:center;padding:.36rem .76rem;border-radius:10px;background:#efe8e8;color:#776666;font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.knowledge{padding:4.5rem 0 4rem;background-color:#f1eaff;background-image:linear-gradient(90deg,rgba(15,23,42,.04) 1px,transparent 0),linear-gradient(180deg,rgba(15,23,42,.04) 1px,transparent 0);background-size:80px 80px;border-top:1px solid #ddd2f3;border-bottom:1px solid #ddd2f3}.knowledge-panel-card{border-color:#ddd2f3}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1.5rem;gap:1.5rem}.kb-card{background:#fff;border:1px solid #dddaea;padding:1.5rem;display:flex;flex-direction:column;min-height:360px;transition:all .2s ease}.kb-card:hover{border-color:#bcb0db;box-shadow:var(--shadow)}.kb-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2rem}.kb-icon{width:64px;height:64px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem;color:#0e5f88;background:#c8def8}.kb-arrow{font-size:2rem;line-height:1;color:#0c7a71}.kb-card h3{line-height:1.35;margin-bottom:1rem}.kb-card p{font-size:1rem;font-family:var(--font-serif),"Noto Serif SC",Georgia,serif;margin-bottom:1.4rem}.kb-tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:.7rem;padding-top:1.2rem;border-top:1px solid #d8dceb}.kb-tags span{display:inline-flex;align-items:center;padding:.38rem .8rem;border-radius:10px;background:#e8edef;color:#6b7177;font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.media{padding:4.5rem 0 4rem;background-color:rgb(231,237,255);background-image:linear-gradient(90deg,rgba(15,23,42,.04) 1px,transparent 0),linear-gradient(180deg,rgba(15,23,42,.04) 1px,transparent 0);background-size:80px 80px;border-top:1px solid #d5def8;border-bottom:1px solid #d5def8}.media-panel-card{border-color:#d5def8}.media-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:1.5rem;gap:1.5rem}.media-card{background:#fff;border:1px solid #d8def5;padding:1.5rem;display:flex;flex-direction:column;min-height:320px;transition:all .2s ease}.media-card:hover{border-color:#b7c5ef;box-shadow:var(--shadow)}.media-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.6rem}.media-icon{width:64px;height:64px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:1.25rem}.media-icon.youtube{color:#e53935;background:#fdeaea}.media-icon.newsletter{color:#3b5ccf;background:#e9eeff;font-size:1.02rem;letter-spacing:.08em}.media-icon.wechat{color:#1f9d3a;background:#e6f7eb;font-size:1.45rem}.media-icon.bilibili{color:#c03f76;background:#ffe7f1;font-size:1.45rem}.media-arrow{font-size:2rem;line-height:1;color:#5366b8}.media-card h3{line-height:1.35;margin-bottom:1rem}.media-card p{font-size:1rem;font-family:var(--font-serif),"Noto Serif SC",Georgia,serif;margin-bottom:1.4rem}.media-tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:.7rem;padding-top:1.2rem;border-top:1px solid #d8dff1}.media-type{display:inline-flex;align-items:center;padding:.38rem .8rem;border-radius:10px;background:#e9edf9;color:#53608f;font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.about{padding:4rem 0}.about-grid{display:grid;grid-template-columns:1.2fr 1fr;grid-gap:3rem;gap:3rem}.faq{border:1px solid var(--line);background:#fff;padding:1.5rem}.faq-item{padding:.9rem 0;border-bottom:1px solid var(--line)}.faq-item:last-child{border-bottom:none}.faq-q{font-weight:600}.site-footer{border-top:1px solid var(--line);background:#0f172a;color:#fff;padding:2.5rem 0}.site-footer p{color:#cbd5f5}.footer-grid{display:grid;grid-template-columns:1fr auto;grid-gap:2rem;gap:2rem;align-items:center}.footer-links{display:grid;grid-gap:.6rem;gap:.6rem}.footer-meta{display:grid;grid-gap:.3rem;gap:.3rem;justify-items:end;font-size:.85rem;color:#cbd5f5}@media (max-width:960px){.about-grid,.card-grid,.filter-grid,.footer-grid,.hero-grid,.knowledge-grid,.knowledge-intro-grid,.media-grid,.media-intro-grid,.press-grid,.profile-grid,.projects-grid,.projects-intro-grid{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:flex-start;gap:.6rem}.profile-visual{height:256px;min-height:256px}.hero-carousel-btn{width:38px;height:38px;font-size:2rem}.hero-carousel-btn-prev{left:4px}.hero-carousel-btn-next{right:4px}.hero-carousel-dots{bottom:12px}.bio-item{flex-direction:column;gap:.2rem}.bio-item span:last-child{white-space:normal}}@media (max-width:780px){.nav{flex-direction:column;align-items:flex-start}.nav-links{width:100%;overflow-x:auto;white-space:nowrap;padding-bottom:.2rem}.btn,.top-tab{flex-shrink:0}.meta-row{flex-direction:column;gap:1rem}.panel-strip{font-size:.75rem}.profile-showcase{padding-top:1.6rem}.profile-copy h1{font-size:clamp(1.8rem,9vw,2.4rem)}.knowledge,.media,.projects{padding-top:3rem}.knowledge-copy h2,.media-copy h2,.projects-copy h2{font-size:clamp(2rem,10vw,2.6rem)}.logos{grid-template-columns:1fr}}.ai-knowledge-page{--brand-deep:#003f3b;--brand-deeper:#001d1d;--brand-mid:#006a63;--brand-lavender:#b8a4ed;--brand-mint:#a4d4c5;--brand-soft:#e7f3f1;--action-orange:#f05a2a;--action-orange-hover:#dc4820;--ink:#05302e;--ink-strong:#002a29;--text-muted:#5e7472;--text-soft:#7e918f;--canvas:#fbfcfb;--surface:#ffffff;--surface-soft:#f5f8f7;--hairline:#e4ecea;--hairline-soft:#eef3f2;--inverse-ink:#ffffff;--inverse-muted:#c7dad7;--shadow-soft:rgba(0,40,38,0.08);--shadow-card:rgba(0,40,38,0.1);--font-rounded:ui-rounded,"SF Pro Rounded","Arial Rounded MT Bold","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;--font-sans:"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;--font-num:Inter,"DIN Alternate","PingFang SC",system-ui,sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-hero:18px;--radius-pill:9999px}.ai-knowledge-page *{box-sizing:border-box}.ai-knowledge-page{--fixed-nav-height:68px;color:var(--ink);background:var(--canvas);font-family:var(--font-sans);scroll-behavior:smooth;margin:0;min-width:320px;overflow-x:hidden;background:radial-gradient(circle at 9% 14%,rgba(164,212,197,.18),transparent 23%),radial-gradient(circle at 86% 34%,rgba(184,164,237,.14),transparent 24%),var(--canvas)}.ai-knowledge-page a{color:inherit;text-decoration:none}.ai-knowledge-page button,.ai-knowledge-page input{font:inherit}.ai-knowledge-page img{display:block;max-width:100%}.ai-knowledge-page .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.ai-knowledge-page .top-visual{--top-nav-height:var(--fixed-nav-height);--top-visual-height:clamp(460px,34vw,520px);position:relative;isolation:isolate;overflow:hidden;width:100%;min-height:var(--top-visual-height);padding-top:var(--top-nav-height);color:var(--inverse-ink);background:var(--brand-deeper)}.ai-knowledge-page .top-visual:after,.ai-knowledge-page .top-visual:before{position:absolute;inset:0;z-index:-1;pointer-events:none;content:""}.ai-knowledge-page .top-visual:before{background-image:url(/ai-knowledge/images/top-hero.png);background-position:top;background-repeat:no-repeat;background-size:cover;filter:blur(18px);opacity:.52;transform:scale(1.06)}.ai-knowledge-page .top-visual:after{background-image:linear-gradient(90deg,rgba(0,0,0,.76),rgba(0,0,0,.2) 48%,rgba(0,29,29,.32)),linear-gradient(0deg,rgba(0,29,29,.66),rgba(0,29,29,.1) 54%,rgba(0,0,0,.38)),url(/ai-knowledge/images/top-hero.png);background-position:top;background-repeat:no-repeat;background-size:cover,cover,contain}.ai-knowledge-page .top-visual .hero-shell{position:relative;z-index:1}.ai-knowledge-page .site-header{position:fixed;top:0;right:0;left:0;z-index:1000;display:grid;grid-template-columns:auto 1fr auto;grid-gap:24px;gap:24px;align-items:center;min-height:var(--fixed-nav-height);padding:0 clamp(18px,2.4vw,42px);border-bottom:1px solid rgba(228,236,234,.7);color:var(--ink);background:rgba(251,252,251,.9);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.ai-knowledge-page .brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink-strong);min-width:max-content}.ai-knowledge-page .brand-mark{display:grid;width:42px;height:42px;place-items:center;border-radius:14px;color:var(--inverse-ink);background:linear-gradient(135deg,var(--brand-deep),var(--brand-mid) 58%,var(--brand-mint));box-shadow:0 12px 24px rgba(0,63,59,.16);font-family:var(--font-rounded);font-size:17px;font-weight:900}.ai-knowledge-page .brand-name{font-family:var(--font-rounded);font-size:clamp(20px,1.8vw,28px);font-weight:900;line-height:1.1;letter-spacing:0}.ai-knowledge-page .site-nav{display:flex;justify-content:center;gap:clamp(14px,2vw,34px);color:var(--ink);font-size:15px;font-weight:800;line-height:1.4}.ai-knowledge-page .site-nav a{display:inline-flex;align-items:center;min-height:44px;border-bottom:2px solid transparent}.ai-knowledge-page .site-nav a.active,.ai-knowledge-page .site-nav a:focus-visible,.ai-knowledge-page .site-nav a:hover{color:var(--brand-mid);border-color:var(--brand-mid);outline:none}.ai-knowledge-page .header-actions{display:flex;align-items:center;gap:14px}.ai-knowledge-page .search-form{display:flex;align-items:center;gap:8px;width:260px;min-height:40px;padding:0 16px;border:1px solid var(--hairline);border-radius:var(--radius-pill);color:var(--text-soft);background:var(--surface);box-shadow:0 8px 22px rgba(0,40,38,.04)}.ai-knowledge-page .search-form input{width:100%;min-width:0;border:0;outline:0;color:var(--ink);background:transparent;font-size:12px}.ai-knowledge-page .search-form input::placeholder{color:var(--text-soft)}.ai-knowledge-page .start-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 20px;border-radius:var(--radius-pill);color:var(--inverse-ink);background:var(--action-orange);box-shadow:0 12px 24px rgba(240,90,42,.2);font-size:14px;font-weight:900;white-space:nowrap;transition:background .16s ease,transform .16s ease}.ai-knowledge-page .start-link:focus-visible,.ai-knowledge-page .start-link:hover{background:var(--action-orange-hover);transform:translateY(-1px);outline:none}.ai-knowledge-page .site-header-over-hero{border-bottom:1px solid rgba(255,255,255,.12);color:var(--inverse-ink);background:rgba(0,29,29,.72);-webkit-backdrop-filter:blur(8px) saturate(1.1);backdrop-filter:blur(8px) saturate(1.1)}.ai-knowledge-page .site-header-over-hero .brand,.ai-knowledge-page .site-header-over-hero .site-nav{color:var(--inverse-ink)}.ai-knowledge-page .site-header-over-hero .site-nav a.active,.ai-knowledge-page .site-header-over-hero .site-nav a:focus-visible,.ai-knowledge-page .site-header-over-hero .site-nav a:hover{color:var(--inverse-ink);border-color:rgba(255,255,255,.86)}.ai-knowledge-page .site-header-over-hero .search-form{border-color:rgba(255,255,255,.22);color:rgba(255,255,255,.84);background:rgba(255,255,255,.16);box-shadow:0 8px 22px rgba(0,29,29,.12);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.ai-knowledge-page .site-header-over-hero .search-form input{color:var(--inverse-ink)}.ai-knowledge-page .site-header-over-hero .search-form input::placeholder{color:rgba(255,255,255,.72)}.ai-knowledge-page .page-shell{width:min(1440px,100%);margin:0 auto;padding:0 clamp(16px,2vw,32px) 44px}.ai-knowledge-page .hero-shell{display:grid;grid-template-columns:minmax(0,2fr) minmax(360px,.88fr);overflow:hidden;border-radius:0;background:transparent;box-shadow:none;isolation:isolate}.ai-knowledge-page .hero-copy,.ai-knowledge-page .hero-shell{position:relative;min-height:calc(var(--top-visual-height) - var(--top-nav-height))}.ai-knowledge-page .hero-copy{display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(22px,2.4vw,34px);color:var(--inverse-ink)}.ai-knowledge-page .hero-copy h1{max-width:600px;margin:0 0 10px;font-family:var(--font-rounded);font-size:clamp(28px,2.6vw,40px);font-weight:900;line-height:1.18;letter-spacing:0;text-wrap:balance}.ai-knowledge-page .hero-copy p{max-width:760px;margin:0;color:rgba(255,255,255,.88);font-size:14px;font-weight:500;line-height:1.6}.ai-knowledge-page .hero-dots{position:absolute;right:44px;bottom:28px;display:flex;gap:7px;align-items:center}.ai-knowledge-page .hero-dots span{width:8px;height:8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.7)}.ai-knowledge-page .hero-dots .active{width:24px;background:var(--inverse-ink)}.ai-knowledge-page .hot-panel{min-height:100%;padding:clamp(24px,2.8vw,44px) clamp(28px,3vw,48px);color:var(--inverse-ink);background:linear-gradient(90deg,rgba(0,63,59,.36),rgba(0,63,59,.56)),rgba(0,29,29,.18);border-left:1px solid rgba(255,255,255,.12);-webkit-backdrop-filter:blur(10px) saturate(1.08);backdrop-filter:blur(10px) saturate(1.08)}.ai-knowledge-page .panel-title-row,.ai-knowledge-page .section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.ai-knowledge-page .panel-title-row h2,.ai-knowledge-page .section-heading h2{margin:0;color:inherit;font-size:21px;font-weight:900;line-height:1.25}.ai-knowledge-page .hot-list{display:grid;grid-gap:0;gap:0;padding:14px 0 0;margin:0;list-style:none}.ai-knowledge-page .hot-list li{border-bottom:1px solid rgba(255,255,255,.1)}.ai-knowledge-page .hot-list li:last-child{border-bottom:0}.ai-knowledge-page .hot-list a{display:grid;grid-template-columns:34px 1fr;grid-gap:14px;gap:14px;align-items:start;padding:clamp(12px,1.25vw,18px) 0}.ai-knowledge-page .rank{display:grid;width:28px;height:28px;place-items:center;border-radius:var(--radius-pill);color:var(--brand-deep);background:var(--inverse-ink);font-family:var(--font-num);font-size:13px;font-weight:900}.ai-knowledge-page .hot-list strong{display:block;margin-bottom:5px;color:var(--inverse-ink);font-size:14px;font-weight:900;line-height:1.35}.ai-knowledge-page .hot-list small{display:block;color:var(--inverse-muted);font-size:11.5px;font-weight:500;line-height:1.5}.ai-knowledge-page .category-tabs{display:flex;gap:10px;padding:16px 20px 18px;overflow-x:auto;scrollbar-width:none}.ai-knowledge-page .category-tabs::-webkit-scrollbar{display:none}.ai-knowledge-page .category-tabs a{display:inline-flex;align-items:center;justify-content:center;min-width:102px;min-height:42px;padding:0 18px;border-radius:var(--radius-md);color:var(--ink);background:var(--surface-soft);box-shadow:inset 0 0 0 1px rgba(228,236,234,.55);font-size:15px;font-weight:800;white-space:nowrap}.ai-knowledge-page .category-tabs a.active{color:var(--inverse-ink);background:var(--brand-mid);box-shadow:0 14px 24px rgba(0,106,99,.16)}.ai-knowledge-page .article-section{scroll-margin-top:110px}.ai-knowledge-page .article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:20px;gap:20px;width:min(1320px,100%);margin:0 auto}.ai-knowledge-page .article-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr));width:100%;margin:0}.ai-knowledge-page .article-card{overflow:hidden;border:1px solid var(--hairline);border-radius:var(--radius-lg);background:var(--surface);box-shadow:0 10px 28px var(--shadow-soft);transition:transform .16s ease,box-shadow .16s ease}.ai-knowledge-page .article-card:hover{transform:translateY(-2px);box-shadow:0 18px 48px var(--shadow-card)}.ai-knowledge-page .article-card a{display:block;height:100%}.ai-knowledge-page .card-image-wrap{position:relative;padding:14px 14px 0}.ai-knowledge-page .card-image-wrap img{width:100%;aspect-ratio:16/8.5;border-radius:var(--radius-md);object-fit:cover}.ai-knowledge-page .category-chip{display:inline-flex;align-items:center;width:-moz-fit-content;width:fit-content;min-height:30px;padding:0 10px;border-radius:var(--radius-sm);color:var(--brand-deep);background:rgba(164,212,197,.76);font-size:12px;font-weight:900;line-height:1}.ai-knowledge-page .card-image-wrap .category-chip{position:absolute;left:20px;bottom:8px;background:rgba(255,255,255,.92);box-shadow:0 8px 18px rgba(0,40,38,.08)}.ai-knowledge-page .card-body{display:grid;grid-gap:8px;gap:8px;padding:16px 16px 18px}.ai-knowledge-page .card-body h3{min-height:46px;color:var(--ink);font-size:16px;font-weight:900;line-height:1.45}.ai-knowledge-page .card-body h3,.ai-knowledge-page .card-body p{display:-webkit-box;margin:0;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.ai-knowledge-page .card-body p{min-height:38px;color:var(--text-muted);font-size:12px;font-weight:500;line-height:1.6}.ai-knowledge-page .card-meta{display:grid;grid-template-columns:16px minmax(0,1fr) auto auto;grid-gap:6px;gap:6px;align-items:center;color:var(--text-muted);font-size:11px;font-weight:700}.ai-knowledge-page .author-dot{width:16px;height:16px;border-radius:var(--radius-pill);background:linear-gradient(135deg,var(--brand-lavender),var(--brand-mint))}.ai-knowledge-page .read-count{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}.ai-knowledge-page .lower-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:28px;gap:28px;margin-top:40px}.ai-knowledge-page .content-panel{min-width:0;padding:34px 36px;border:1px solid var(--hairline);border-radius:var(--radius-lg);background:rgba(255,255,255,.9);box-shadow:0 10px 28px var(--shadow-soft)}.ai-knowledge-page .section-heading{margin-bottom:24px}.ai-knowledge-page .section-heading h2{display:flex;align-items:center;gap:10px;color:var(--ink-strong);font-size:28px}.ai-knowledge-page .column-panel .section-heading h2:before{width:5px;height:26px;border-radius:var(--radius-pill);background:var(--brand-deep);content:""}.ai-knowledge-page .section-heading p{margin:6px 0 0;color:var(--text-muted);font-size:13px;font-weight:500}.ai-knowledge-page .empty-state{display:grid;min-height:260px;place-items:center;grid-gap:8px;gap:8px;border:1px dashed var(--hairline);border-radius:var(--radius-lg);color:var(--text-muted);background:var(--surface)}.ai-knowledge-page .empty-state strong{color:var(--ink);font-size:18px}.ai-knowledge-page .site-footer{width:min(1440px,100%);margin:48px auto 0;overflow:hidden;border-radius:32px 32px 0 0;color:var(--inverse-ink);background:var(--brand-deeper)}.ai-knowledge-page .news-panel{overflow:hidden;padding:0}.ai-knowledge-page .news-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;padding:34px 36px 30px;border-bottom:1px solid var(--hairline);background:var(--surface-soft)}.ai-knowledge-page .news-title-group{min-width:0}.ai-knowledge-page .news-eyebrow{margin:0 0 8px;color:var(--action-orange);font-family:var(--font-num);font-size:11px;font-weight:900;letter-spacing:.16em}.ai-knowledge-page .news-heading h2{margin:0;color:var(--ink-strong);font-family:var(--font-rounded);font-size:clamp(30px,4vw,46px);font-weight:900;line-height:1.08}.ai-knowledge-page .news-title-group>p:last-child{margin:10px 0 0;color:var(--text-muted);font-size:13px;line-height:1.6}.ai-knowledge-page .news-heading>time{flex:0 0 auto;padding-bottom:4px;color:var(--text-soft);font-family:var(--font-num);font-size:14px;font-weight:800;white-space:nowrap}.ai-knowledge-page .news-list{display:grid;grid-gap:0;gap:0;margin:0;padding:0;list-style:none}.ai-knowledge-page .news-item{display:block;padding:0;border-bottom:1px solid var(--hairline-soft)}.ai-knowledge-page .news-item:last-child{border-bottom:0}.ai-knowledge-page .news-item a{display:grid;grid-template-columns:56px minmax(0,1fr) 22px;grid-gap:16px;gap:16px;align-items:center;min-height:104px;padding:17px 28px;transition:background-color .16s ease}.ai-knowledge-page .news-item a:focus-visible,.ai-knowledge-page .news-item a:hover{background:var(--surface-soft);outline:none}.ai-knowledge-page .news-item.featured{background:rgba(240,90,42,.055)}.ai-knowledge-page .news-index{color:#d5dddb;font-family:var(--font-num);font-size:38px;font-weight:900;line-height:1;letter-spacing:-.06em}.ai-knowledge-page .news-item.featured .news-index,.ai-knowledge-page .news-item.featured strong{color:var(--action-orange)}.ai-knowledge-page .news-copy{min-width:0}.ai-knowledge-page .news-meta{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-bottom:7px;color:var(--text-soft);font-size:10px;font-weight:800}.ai-knowledge-page .news-meta em{display:inline-flex;align-items:center;min-height:22px;padding:0 8px;border-radius:var(--radius-pill);color:var(--brand-deep);background:var(--brand-soft);font-style:normal}.ai-knowledge-page .news-item strong{display:block;color:var(--ink);font-size:15px;font-weight:900;line-height:1.45}.ai-knowledge-page .news-item small{display:-webkit-box;margin-top:5px;overflow:hidden;color:var(--text-muted);font-size:12px;font-weight:500;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:1}.ai-knowledge-page .news-arrow{color:var(--text-soft);transition:color .16s ease,transform .16s ease}.ai-knowledge-page .news-item a:focus-visible .news-arrow,.ai-knowledge-page .news-item a:hover .news-arrow{color:var(--action-orange);transform:translate(2px,-2px)}.ai-knowledge-page .column-panel{display:flex;min-height:100%;flex-direction:column}.ai-knowledge-page .column-coming-soon{display:flex;flex:1 1;min-height:360px;flex-direction:column;align-items:flex-start;justify-content:center;padding:clamp(28px,4vw,46px);border:1px dashed rgba(0,106,99,.28);border-radius:var(--radius-lg);color:var(--brand-mid);background:var(--surface-soft)}.ai-knowledge-page .column-kicker{margin:24px 0 10px;color:var(--action-orange);font-family:var(--font-num);font-size:11px;font-weight:900;letter-spacing:.16em}.ai-knowledge-page .column-coming-soon h3{margin:0;color:var(--ink-strong);font-family:var(--font-rounded);font-size:clamp(24px,3vw,34px);line-height:1.25}.ai-knowledge-page .column-coming-soon>p:last-child{margin:16px 0 0;color:var(--text-muted);font-size:14px;line-height:1.75}.ai-knowledge-page .footer-contact-shell{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:42px clamp(26px,5vw,72px)}.ai-knowledge-page .footer-eyebrow{margin:0 0 6px;color:var(--brand-mint);font-family:var(--font-num);font-size:10px;font-weight:900;letter-spacing:.18em}.ai-knowledge-page .footer-contact-shell h2{margin:0;color:var(--inverse-ink);font-family:var(--font-rounded);font-size:30px}.ai-knowledge-page .footer-contact-list{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px}.ai-knowledge-page .contact-row{display:flex;align-items:center;gap:8px;min-height:42px;padding:0 14px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-pill);color:var(--inverse-muted);font-size:13px;line-height:1.5}.ai-knowledge-page .contact-label{color:rgba(199,218,215,.66);font-size:11px}.ai-knowledge-page .contact-row a{color:var(--inverse-muted)}.ai-knowledge-page .contact-row a:focus-visible,.ai-knowledge-page .contact-row a:hover{color:var(--inverse-ink);outline:none}.ai-knowledge-page .article-page{width:min(1100px,100%);margin:0 auto;padding:calc(var(--fixed-nav-height) + 30px) clamp(16px,3vw,24px) 54px}.ai-knowledge-page .back-link{display:inline-flex;align-items:center;gap:8px;margin-bottom:22px;color:var(--brand-deep);font-size:14px;font-weight:900}.ai-knowledge-page .article-detail{overflow:hidden;border:1px solid var(--hairline);border-radius:var(--radius-xl);background:var(--surface);box-shadow:0 18px 48px var(--shadow-soft)}.ai-knowledge-page .article-hero{display:grid;grid-template-columns:minmax(0,1.12fr) 360px;grid-gap:30px;gap:30px;align-items:center;padding:clamp(28px,5vw,56px);background:radial-gradient(circle at 12% 20%,rgba(164,212,197,.24),transparent 30%),radial-gradient(circle at 78% 16%,rgba(184,164,237,.2),transparent 32%),var(--surface)}.ai-knowledge-page .article-hero h1{margin:16px 0;color:var(--ink-strong);font-family:var(--font-rounded);font-size:clamp(32px,4vw,54px);font-weight:900;line-height:1.16;text-wrap:balance}.ai-knowledge-page .article-hero p{max-width:680px;margin:0;color:var(--text-muted);font-size:16px;font-weight:500;line-height:1.75}.ai-knowledge-page .article-hero img{width:100%;aspect-ratio:4/3;border-radius:var(--radius-lg);object-fit:cover;box-shadow:0 18px 38px var(--shadow-soft)}.ai-knowledge-page .detail-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;color:var(--text-muted);font-size:13px;font-weight:800}.ai-knowledge-page .markdown-body{width:min(760px,100%);margin:0 auto;padding:16px clamp(24px,5vw,56px) 60px;color:var(--ink);font-size:16px;line-height:1.9}.ai-knowledge-page .markdown-body h2{margin:42px 0 16px;color:var(--ink-strong);font-family:var(--font-rounded);font-size:28px;line-height:1.3}.ai-knowledge-page .markdown-body p{margin:0 0 18px}.ai-knowledge-page .markdown-body ol,.ai-knowledge-page .markdown-body ul{margin:0 0 22px;padding-left:1.4em}.ai-knowledge-page .markdown-body li{margin:6px 0}.ai-knowledge-page .markdown-body table{width:100%;margin:26px 0;border-collapse:collapse;overflow:hidden;border-radius:var(--radius-md)}.ai-knowledge-page .markdown-body td,.ai-knowledge-page .markdown-body th{padding:12px 14px;border:1px solid var(--hairline);text-align:left}.ai-knowledge-page .markdown-body th{background:var(--brand-soft)}.ai-knowledge-page .related-section{margin-top:42px}.ai-knowledge-page .related-section h2{margin:0 0 20px;color:var(--ink-strong);font-family:var(--font-rounded);font-size:30px}@media (max-width:1180px){.ai-knowledge-page{--fixed-nav-height:124px}.ai-knowledge-page .site-header{grid-template-columns:1fr auto}.ai-knowledge-page .site-nav{order:3;grid-column:1/-1;justify-content:flex-start;overflow-x:auto;padding-bottom:10px}.ai-knowledge-page .hero-shell{grid-template-columns:1fr;background-position:top}.ai-knowledge-page .hero-copy{min-height:280px}.ai-knowledge-page .hot-panel{padding:18px 28px}.ai-knowledge-page .hot-list{gap:0 24px}.ai-knowledge-page .article-grid,.ai-knowledge-page .article-grid.compact,.ai-knowledge-page .hot-list{grid-template-columns:repeat(2,minmax(0,1fr))}.ai-knowledge-page .lower-grid{grid-template-columns:1fr}}@media (max-width:820px){.ai-knowledge-page .site-header{gap:14px;padding:10px 16px}.ai-knowledge-page .brand-mark{width:38px;height:38px}.ai-knowledge-page .brand-name{font-size:18px}.ai-knowledge-page .header-actions{gap:8px}.ai-knowledge-page .search-form{width:44px;padding:0 13px}.ai-knowledge-page .search-form input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.ai-knowledge-page .start-link{min-height:40px;padding:0 14px;font-size:13px}.ai-knowledge-page .page-shell{padding-top:8px}.ai-knowledge-page .hero-copy{min-height:260px;padding:24px 22px}.ai-knowledge-page .hero-copy h1{font-size:28px}.ai-knowledge-page .hero-copy p{font-size:14px}.ai-knowledge-page .hero-dots{right:24px;bottom:24px}.ai-knowledge-page .hot-list{grid-template-columns:1fr}.ai-knowledge-page .category-tabs{padding:14px 2px 16px}.ai-knowledge-page .article-grid,.ai-knowledge-page .article-grid.compact{grid-template-columns:1fr}.ai-knowledge-page .content-panel{padding:26px 22px}.ai-knowledge-page .article-hero{grid-template-columns:1fr}.ai-knowledge-page .article-hero img{order:-1}.ai-knowledge-page .markdown-body{padding-inline:22px}}@media (max-width:560px){.ai-knowledge-page .site-nav{gap:18px;font-size:14px}.ai-knowledge-page .start-link{display:none}.ai-knowledge-page .hero-shell{border-radius:var(--radius-lg)}.ai-knowledge-page .hero-copy{min-height:240px}.ai-knowledge-page .hero-copy h1{font-size:26px}.ai-knowledge-page .hot-panel{padding:18px 20px}.ai-knowledge-page .hot-list a{grid-template-columns:30px 1fr;gap:12px}.ai-knowledge-page .rank{width:28px;height:28px;font-size:13px}.ai-knowledge-page .card-meta{grid-template-columns:16px 1fr}.ai-knowledge-page .card-meta time,.ai-knowledge-page .read-count{grid-column:2}.ai-knowledge-page .lower-grid{gap:24px}}@media (max-width:820px){.ai-knowledge-page .news-panel{padding:0}.ai-knowledge-page .news-heading{align-items:flex-start;flex-direction:column;gap:16px;padding:28px 24px 24px}.ai-knowledge-page .news-item a{grid-template-columns:54px minmax(0,1fr) 20px;gap:14px;min-height:108px;padding:18px 22px}.ai-knowledge-page .news-index{font-size:36px}.ai-knowledge-page .news-item time{grid-column:auto}.ai-knowledge-page .column-coming-soon{min-height:300px}.ai-knowledge-page .footer-contact-shell{align-items:flex-start;flex-direction:column;padding:34px 24px}.ai-knowledge-page .footer-contact-list{justify-content:flex-start}}@media (max-width:560px){.ai-knowledge-page .news-heading h2{font-size:32px}.ai-knowledge-page .news-heading>time{font-size:12px}.ai-knowledge-page .news-item a{grid-template-columns:42px minmax(0,1fr);gap:12px;padding:18px}.ai-knowledge-page .news-index{align-self:start;padding-top:3px;font-size:30px}.ai-knowledge-page .news-arrow{display:none}.ai-knowledge-page .news-item strong{font-size:15px}.ai-knowledge-page .column-coming-soon{min-height:260px;padding:28px}.ai-knowledge-page .contact-row,.ai-knowledge-page .footer-contact-list{width:100%}.ai-knowledge-page .contact-row{border-radius:var(--radius-md)}}