/* 官网功能介绍：沿用既有字号、系统蓝、圆角和玻璃导航。 */
html{scroll-padding-top:118px;scroll-behavior:smooth}
.feature-heading{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:28px}
.feature-heading .text-link{flex-shrink:0;margin-bottom:4px}
.feature-overview-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:22px}
.learning-teaser{display:flex;flex-direction:column;position:relative;overflow:hidden;padding:34px 38px;border-radius:var(--radius);background:radial-gradient(100% 90% at 100% 100%,rgba(0,113,227,.2),transparent 80%),#101113;color:#f5f5f7;transition:transform .35s ease}
.learning-teaser:hover{transform:translateY(-3px);color:#fff}
.teaser-top,.teaser-top>span:first-child,.teaser-foot,.teaser-foot>span{display:flex;align-items:center;gap:8px}
.teaser-top{justify-content:space-between;margin-bottom:38px;font-size:.83rem;color:#a1a1a6}
.teaser-top svg,.teaser-foot svg{width:18px;height:18px;flex-shrink:0}
.new-feature{display:inline-block;font-size:.7rem;letter-spacing:.02em;padding:3px 9px;border:1px solid #55565c;border-radius:980px;line-height:1.6;white-space:nowrap;color:#d6d6da}
.learning-teaser h3{font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.25;margin-bottom:18px}
.learning-teaser>p{font-size:.95rem;color:#a1a1a6;max-width:390px;margin-bottom:26px}
.teaser-flow{display:flex;align-items:center;gap:8px;margin-top:auto;margin-bottom:34px;font-size:.75rem}
.teaser-flow>span{padding:10px 12px;border:1px solid #3a3d43;background:#1b1d21;border-radius:12px;color:#ededf1}
.teaser-flow i{font-style:normal;color:#7f828c}
.teaser-foot{justify-content:space-between;gap:16px;border-top:1px solid #30333a;padding-top:19px;color:#b5b7bf;font-size:.74rem}
.teaser-foot>span:last-child{color:#c2dfff}
.feature-shortcuts{display:grid;gap:16px}
.feature-shortcut{display:flex;align-items:center;gap:20px;border-radius:var(--radius);padding:28px;background:var(--pale);transition:background .25s,transform .25s}
.feature-shortcut:hover{background:#eeeeF3;transform:translateY(-2px);color:var(--ink)}
.feature-shortcut h3{font-size:1.2rem;margin-bottom:8px}
.feature-shortcut p{font-size:.9rem;margin-bottom:0}
.feature-icon{display:flex;align-items:center;justify-content:center;color:var(--ink);width:38px;height:38px;flex-shrink:0}
.feature-icon svg{width:30px;height:30px}
.shortcut-arrow{margin-left:auto;color:var(--green);font-size:1.1rem}
.feature-overview-bottom{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:22px;font-size:.82rem;color:var(--muted)}
.feature-overview-bottom .text-link{margin:0;flex-shrink:0;font-size:.88rem}

.features-hero{padding-top:74px;padding-bottom:70px;text-align:center}
.features-hero-copy{max-width:900px;margin-inline:auto}
.features-hero h1{font-size:clamp(2.65rem,5.1vw,4.5rem);line-height:1.17;letter-spacing:-.045em}
.features-hero .lead{max-width:740px;margin-inline:auto}
.features-hero .actions{justify-content:center;margin-top:30px}
.features-hero .text-link{margin:0}
.feature-journey{display:flex;justify-content:center;align-items:center;gap:28px;max-width:850px;margin:56px auto 22px;padding:28px 38px;background:var(--pale);border-radius:28px}
.feature-journey>div{display:grid;grid-template-columns:auto auto;align-items:center;column-gap:11px;text-align:left}
.journey-icon{grid-row:1/3;width:38px;height:38px;color:var(--ink);display:grid;place-items:center}
.journey-icon svg{width:29px;height:29px}
.feature-journey small{font-size:.64rem;color:#8b8b90;letter-spacing:.04em}
.feature-journey strong{font-size:.91rem;font-weight:600;white-space:nowrap}
.journey-connector{color:#b9b9c0}
.feature-hero-note{font-size:.78rem;margin:0;color:var(--muted)}
.feature-anchor-bar{position:sticky;top:56px;z-index:12;background:rgba(255,255,255,.85);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-block:1px solid var(--line)}
.feature-anchor-bar>.wrap{display:flex;align-items:center;justify-content:center;gap:42px;min-height:55px}
.feature-anchor-bar a{font-size:.83rem;white-space:nowrap;display:flex;align-items:center;gap:5px;padding-block:16px}
.feature-anchor-bar a>span{font-size:.58rem;color:var(--green);align-self:flex-start;line-height:1.5}
.feature-editorial{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:76px}
.feature-copy h2{line-height:1.2;letter-spacing:-.035em}
.feature-copy>p:not(.eyebrow){font-size:1rem;line-height:1.85}
.feature-copy>p.feature-lead{font-size:1.15rem;color:#424245;line-height:1.8}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.feature-tag{font-size:.75rem;border:1px solid var(--line);padding:5px 12px;border-radius:980px;color:#5c5c61}
.context-window{background:var(--pale);border-radius:28px;border:1px solid #e9e9ed;box-shadow:0 20px 65px rgba(20,35,60,.06);overflow:hidden}
.mock-window-head{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 22px;border-bottom:1px solid rgba(0,0,0,.06);font-size:.75rem;color:var(--muted)}
.mock-window-head>span{display:flex;align-items:center;gap:8px}
.mock-window-head svg{width:19px;height:19px}
.mock-window-dots{font-size:.6rem;letter-spacing:2px;color:#b9b9c0}
.context-product{display:flex;align-items:center;gap:12px;padding:20px 22px;border-bottom:1px solid rgba(0,0,0,.06)}
.context-product>svg{width:35px;height:35px;margin-right:3px}
.context-product strong{display:block;font-size:.9rem}
.context-product small{display:block;font-size:.73rem;color:var(--muted);margin-top:2px}
.context-product>span{margin-left:auto;background:white;border-radius:8px;padding:4px 7px;font-size:.64rem;color:var(--muted)}
.context-conversation{display:flex;flex-direction:column;gap:12px;padding:25px 22px 29px}
.context-conversation .bubble{font-size:.88rem;max-width:90%}
.context-conversation .buyer{background:white}
.context-understanding{display:flex;align-items:center;gap:7px;align-self:flex-end;font-size:.66rem;color:var(--muted)}
.context-understanding>span{width:5px;height:5px;border-radius:50%;background:#34c759}
.mock-window-foot{border-top:1px solid rgba(0,0,0,.06);text-align:center;padding:14px;font-size:.75rem;color:var(--muted)}

.knowledge-feature-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:22px}
.catalog-feature{background:#fff;border-radius:28px;padding:36px 38px}
.catalog-feature h3{font-size:1.7rem;margin-top:18px}
.catalog-feature>p{font-size:.95rem}
.mock-catalog{margin-top:28px;border:1px solid var(--line);border-radius:18px;overflow:hidden;font-size:.82rem;background:#fbfbfd}
.mock-catalog>div{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 20px;border-bottom:1px solid #e9e9ed}
.mock-catalog>div>span{color:var(--muted)}
.mock-catalog>div strong{font-size:.85rem;font-weight:500}
.mock-catalog>div.mock-catalog-title{background:#f5f5f7;padding-block:16px}
.mock-catalog .mock-catalog-title strong{font-weight:600}
.mock-catalog .mock-catalog-title span{font-size:.7rem}
.mock-catalog>div.catalog-binding{border-bottom:0;justify-content:center;font-size:.72rem;color:var(--muted);gap:8px}
.catalog-binding svg{width:14px;height:14px}
.knowledge-tool-column{display:grid;gap:22px}
.feature-tool{padding:32px;border-radius:28px;background:var(--pale)}
.tint .feature-tool{background:white}
.feature-tool h3{margin:19px 0 13px;font-size:1.35rem}
.feature-tool>p{font-size:.93rem;line-height:1.8;margin-bottom:0}
.feature-tool .text-link{font-size:.87rem;margin-top:16px}
.knowledge-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;padding-top:40px;margin-top:20px}
.knowledge-notes>div{border-top:1px solid #d7d7dd;padding-top:22px}
.knowledge-notes strong{font-size:1.01rem}
.knowledge-notes p{font-size:.87rem;line-height:1.8;margin:10px 0 0}

.learning-feature{background:#090a0c;color:#f5f5f7;padding-top:106px;overflow:hidden}
.learning-feature-inner{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}
.learning-feature .eyebrow{font-size:.77rem;color:#a1a1a6;display:flex;align-items:center;flex-wrap:wrap;gap:10px;letter-spacing:.01em}
.learning-feature h2{font-size:clamp(3rem,5.8vw,5.1rem);letter-spacing:-.055em;margin-top:25px;line-height:1.12}
.learning-feature .feature-copy>p{color:#a1a1a6}
.learning-feature .feature-copy>.learning-subtitle{color:#f5f5f7;font-size:1.35rem;line-height:1.65;margin-top:25px;margin-bottom:18px;font-weight:500}
.learning-benefits{list-style:none;padding:0;margin:28px 0}
.learning-benefits li{display:flex;gap:15px;align-items:flex-start;margin:20px 0}
.learning-benefits li>span{font-size:.65rem;line-height:2.1;color:#747780;font-variant-numeric:tabular-nums}
.learning-benefits strong{font-size:.93rem;font-weight:550;color:#f5f5f7}
.learning-benefits p{font-size:.82rem;color:#92969e;margin:5px 0 0;line-height:1.8}
.learning-detail-link{display:inline-block;color:#6bb6ff;font-size:.85rem;margin-top:2px}
.learning-detail-link:hover{color:white}
.learning-demo{position:relative;background:#16181c;border:1px solid #34373f;border-radius:28px;padding:24px;box-shadow:0 30px 110px rgba(0,0,0,.35)}
.learning-demo-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px;font-size:.86rem}
.learning-demo-top>span:first-child{display:flex;align-items:center;gap:9px;font-weight:500}
.learning-demo-top svg{width:22px;height:22px;color:#c6cbd7}
.demo-label{font-size:.65rem;color:var(--muted);font-weight:400}
.learning-demo .demo-label{color:#8b909c}
.learning-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;background:#23262c;padding:4px;border-radius:12px;margin-bottom:22px}
.learning-tabs button{background:transparent;border:0;color:#a1a6b2;padding:9px 3px;border-radius:8px;font-size:.8rem;cursor:pointer;transition:background .2s,color .2s}
.learning-tabs button:hover{color:#fff}
.learning-tabs button[aria-selected=true]{color:#f5f5f7;background:#3a3f48;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.learning-scenario[hidden]{display:none}
.learning-scenario:focus-visible{outline:2px solid #6bb6ff;outline-offset:6px;border-radius:14px}
.learning-question{padding:18px;border:1px solid #30343c;border-radius:15px;background:#1b1e23}
.learning-question small{color:#9299a5;font-size:.67rem;display:block;margin-bottom:12px}
.learning-question p{display:table;margin:8px 0 0;padding:8px 12px;background:#2b3038;border-radius:12px;font-size:.84rem;line-height:1.55;color:#dcdfe7}
.learning-connector{display:flex;align-items:center;justify-content:center;gap:10px;height:43px;color:#818b9b;font-size:1.2rem}
.learning-connector span{width:36px;height:1px;background:#39404b}
.learned-answer{background:linear-gradient(130deg,rgba(0,113,227,.16),rgba(0,113,227,.04));border:1px solid rgba(84,159,240,.4);border-radius:16px;padding:20px}
.learned-label{font-size:.64rem;color:#a1cafa;border:1px solid rgba(112,172,237,.26);padding:4px 9px;border-radius:980px;display:inline-block;margin-bottom:18px}
.learned-answer strong{display:block;font-size:1.08rem;font-weight:500;line-height:1.6;margin-bottom:13px}
.learned-answer small{display:block;color:#929fb3;font-size:.7rem}
.learning-reuse{margin-top:18px;background:#20242b;padding:14px;border-radius:13px;display:flex;align-items:center;gap:12px}
.learning-reuse>span:first-child{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:#303742;border-radius:9px;flex-shrink:0}
.learning-reuse svg{width:18px;height:18px;color:#aebbd1}
.learning-reuse p{color:#939caa;font-size:.68rem;line-height:1.7;margin:0}
.learning-reuse strong{font-size:.81rem;font-weight:500;color:#e4e9f1}
.reuse-check{margin-left:auto;color:#a5c9af;font-size:1rem}
.learning-demo-note{font-size:.65rem;color:#878d99;line-height:1.8;margin:17px 2px 0}
.learning-trust{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-block:33px;margin-top:65px;border-top:1px solid #2b2e35}
.learning-trust>span{display:flex;align-items:center;justify-content:center;gap:10px;font-size:.82rem;color:#a6acb6}
.learning-trust svg{width:19px;height:19px}
.learning-details .section-head{max-width:760px}
.feature-boundary{font-size:.75rem;color:#818187;margin:24px 0 0;line-height:1.8;max-width:960px}

.feature-detail-list{list-style:none;padding:0;margin:28px 0 0}
.feature-detail-list li{display:flex;gap:17px;margin:0;padding:19px 0;border-top:1px solid #d9d9df}
.feature-detail-list li>span{color:#9b9ba3;font-size:.69rem;line-height:1.7}
.feature-detail-list h3{font-size:1.02rem;margin-bottom:8px;font-weight:600;line-height:1.5}
.feature-detail-list p{font-size:.87rem;margin:0;line-height:1.8}
.handoff-demo{background:white;border-radius:28px;overflow:hidden;border:1px solid #e7e7ec}
.handoff-demo .mock-window-head{padding-block:21px}
.handoff-item{position:relative;padding:26px 28px 6px;margin:0 20px 0 27px;border-left:1px solid #dcdce3}
.handoff-item:before{content:'';position:absolute;left:-4px;top:32px;width:7px;height:7px;background:white;border:1px solid #b7bac2;border-radius:50%}
.handoff-item h3{font-size:1.05rem;margin:13px 0 9px}
.handoff-item p{font-size:.82rem;margin:0 0 20px;line-height:1.7}
.handoff-status{display:inline-block;font-size:.65rem;padding:4px 10px;border-radius:980px}
.ai-status{color:#376a9f;background:#edf4fc}
.human-status{color:#8f6835;background:#faf5ec}
.done-status{color:#447451;background:#eff6f0}
.handoff-foot{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:20px;padding:18px;border-top:1px solid #eeeeF2;font-size:.71rem;color:var(--muted)}
.handoff-foot svg{width:17px;height:17px}
.operations-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
.operations-grid .feature-tool{padding:30px 24px}
.operations-grid h3{font-size:1.16rem;line-height:1.5}
.operations-grid .feature-tool p{font-size:.84rem}
.feature-questions{display:grid;grid-template-columns:.8fr 1.2fr;gap:85px;padding-top:0}
.feature-questions>div:first-child>p{font-size:1rem;line-height:1.8}
.feature-questions h2{font-size:2.2rem;line-height:1.2}
.feature-questions .faq summary{font-size:.98rem;line-height:1.6}
.feature-questions .faq p{font-size:.9rem;line-height:1.9}

@media(max-width:1050px){
  .feature-editorial,.learning-feature-inner{gap:38px}
  .feature-anchor-bar>.wrap{gap:30px}
  .feature-journey{gap:18px}
  .learning-teaser{padding:28px}
  .feature-shortcut{padding:24px;gap:15px}
  .teaser-flow{font-size:.68rem;gap:6px}
  .teaser-flow>span{padding:9px}
  .operations-grid{grid-template-columns:repeat(2,1fr)}
  .feature-questions{gap:40px}
  .knowledge-notes{gap:25px}
  .learning-demo{padding:20px}
}
@media(max-width:760px){
  html{scroll-padding-top:117px}
  .feature-heading{align-items:flex-start;flex-direction:column;gap:0}
  .feature-heading h2{margin-bottom:9px}
  .feature-heading .text-link{margin-top:7px;margin-bottom:0}
  .feature-overview-grid{grid-template-columns:1fr;gap:14px}
  .learning-teaser{padding:28px 24px;border-radius:24px}
  .teaser-top{margin-bottom:30px}
  .learning-teaser h3{font-size:1.95rem}
  .teaser-flow{font-size:.7rem;justify-content:space-between;gap:5px}
  .teaser-flow>span{padding:9px}
  .teaser-foot{font-size:.7rem;gap:9px}
  .feature-shortcut{border-radius:22px;padding:23px 21px;gap:15px}
  .feature-shortcut h3{font-size:1.1rem}
  .feature-shortcut p{font-size:.81rem}
  .feature-icon{width:30px;height:30px}
  .feature-icon svg{width:27px;height:27px}
  .feature-overview-bottom{align-items:flex-start;flex-direction:column;gap:10px;font-size:.76rem;line-height:1.8}
  .features-hero{padding-top:40px;padding-bottom:37px}
  .features-hero h1{font-size:clamp(2.15rem,8.1vw,3rem);line-height:1.2}
  .features-hero .lead{font-size:.98rem;line-height:1.9}
  .features-hero .lead br{display:none}
  .features-hero .actions{gap:21px;flex-direction:column}
  .feature-journey{display:grid;grid-template-columns:repeat(2,1fr);gap:23px 16px;padding:24px;margin-top:35px;border-radius:23px;max-width:440px}
  .journey-connector{display:none}
  .feature-journey>div{justify-content:center;column-gap:8px}
  .feature-journey strong{font-size:.82rem}
  .journey-icon{width:30px;height:32px}
  .journey-icon svg{width:25px;height:25px}
  .feature-hero-note{font-size:.7rem}
  .feature-anchor-bar{top:52px}
  .feature-anchor-bar>.wrap{justify-content:flex-start;overflow-x:auto;gap:24px;min-height:54px;scrollbar-width:none;width:100%;padding-inline:20px}
  .feature-anchor-bar>.wrap::-webkit-scrollbar{display:none}
  .feature-anchor-bar a{font-size:.75rem;padding-block:17px}
  .feature-editorial,.learning-feature-inner{grid-template-columns:1fr;gap:34px}
  .feature-copy>p:not(.eyebrow){font-size:.94rem;line-height:1.9}
  .feature-copy>p.feature-lead{font-size:1.04rem}
  .feature-tags{margin-top:20px}
  .context-window,.handoff-demo{border-radius:24px}
  .context-conversation .bubble{font-size:.84rem}
  .knowledge-feature-grid{grid-template-columns:1fr;gap:15px}
  .catalog-feature{padding:28px 24px;border-radius:24px}
  .catalog-feature h3{font-size:1.5rem}
  .feature-tool{padding:27px 24px;border-radius:24px}
  .feature-tool h3{font-size:1.24rem;margin-top:16px}
  .feature-tool>p{font-size:.88rem}
  .knowledge-tool-column{gap:15px}
  .knowledge-notes{grid-template-columns:1fr;gap:23px;padding-top:14px;margin-top:20px}
  .knowledge-notes>div{padding-top:18px}
  .learning-feature{padding-top:65px}
  .learning-feature h2{font-size:3.4rem}
  .learning-feature .feature-copy>.learning-subtitle{font-size:1.18rem}
  .learning-demo{padding:21px 18px;border-radius:24px}
  .learning-demo-top{font-size:.8rem;gap:8px}
  .learning-tabs button{font-size:.77rem}
  .learned-answer{padding:18px}
  .learned-answer strong{font-size:1rem}
  .learning-demo-note{font-size:.64rem}
  .learning-trust{grid-template-columns:1fr;gap:17px;padding-block:28px;margin-top:40px}
  .learning-trust>span{font-size:.79rem;justify-content:flex-start}
  .learning-details .grid.three{gap:15px}
  .feature-boundary{font-size:.72rem}
  .operations-grid{grid-template-columns:1fr;gap:15px}
  .operations-grid .feature-tool{padding:27px 24px}
  .feature-questions{grid-template-columns:1fr;gap:20px;padding-top:0}
  .feature-questions h2{font-size:1.9rem;margin-bottom:15px}
  .feature-questions .faq summary{font-size:.94rem}
}
