/* WorkBuddy · 智能体中枢 · 任务流水线 —— 浅色白底 + 青绿 + 琥珀(随参考站 workbuddy.cn 品牌调) */
:root{
  --bg:#FFFFFF;
  --bg2:#F4F9F7;
  --panel:#FFFFFF;
  --panel2:#EAF4F0;
  --line:#E4EEE9;
  --line2:#CDE0D7;
  --brand:#01C886;
  --brand2:#0EC8A9;
  --brand-deep:#0A9A6E;
  --accent:#FFE355;
  --accent-deep:#D9AE00;
  --text:#0D1A16;
  --text-soft:#33483F;
  --muted:#6C827A;
  --grad:linear-gradient(135deg,#0EC8A9,#01C886);
  --grad-amber:linear-gradient(135deg,#FFE355,#F5C518);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 20px 50px -24px rgba(13,26,22,.20);
  --shadow-glow:0 0 0 1px rgba(1,200,134,.22),0 14px 38px -18px rgba(1,200,134,.35);
  --wrap:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;font-size:16px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.pnav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.pnav-inner{display:flex;align-items:center;gap:28px;height:66px}
.pnav-logo{display:flex;align-items:center;gap:10px;flex:none}
.pnav-logo-img{width:30px;height:30px;border-radius:8px;box-shadow:0 2px 10px -2px rgba(1,200,134,.4)}
.pnav-word{font-weight:800;font-size:19px;letter-spacing:.2px;color:var(--text)}
.pnav-sub{font-size:11px;color:var(--muted);padding:3px 8px;border:1px solid var(--line2);border-radius:20px;white-space:nowrap}
.pnav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.pnav-item{position:relative;padding:8px 15px;border-radius:10px;color:var(--text-soft);font-size:15px;font-weight:500;transition:.2s}
.pnav-item:hover,.pnav-item.on{color:var(--brand-deep);background:rgba(1,200,134,.08)}
.pnav-drop{position:relative}
.pnav-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:180px;background:#fff;border:1px solid var(--line2);border-radius:14px;padding:8px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:.22s;box-shadow:var(--shadow)}
.pnav-drop:hover .pnav-menu{opacity:1;visibility:visible;transform:translateY(0)}
.pnav-menu a{display:block;padding:9px 14px;border-radius:9px;color:var(--text-soft);font-size:14px;transition:.18s}
.pnav-menu a:hover{background:rgba(1,200,134,.1);color:var(--brand-deep)}
.pnav-cta{flex:none;padding:9px 20px;border-radius:11px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;transition:.2s;box-shadow:0 8px 22px -10px rgba(1,200,134,.7)}
.pnav-cta:hover{transform:translateY(-1px);filter:brightness(1.05)}

/* ---------- 首页 hero ---------- */
.phero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.phero-bg{position:absolute;inset:0;z-index:0}
.phero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;filter:saturate(.85)}
.phero-veil{position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 10%,rgba(14,200,169,.16),transparent 60%),linear-gradient(180deg,rgba(10,18,16,.72),rgba(10,18,16,.96))}
.phero-inner{position:relative;z-index:1;text-align:center;padding:86px 24px 70px}
.phero-eyebrow{display:inline-block;font-size:13px;letter-spacing:1.5px;color:var(--brand2);padding:7px 16px;border:1px solid rgba(14,200,169,.45);border-radius:30px;margin-bottom:22px;background:rgba(14,200,169,.12)}
.phero-title{font-size:clamp(40px,7vw,66px);font-weight:900;letter-spacing:-1px;line-height:1.05;margin-bottom:20px;color:#F2FBF7}
.phero-accent{display:inline-block;margin-left:16px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero-sub{max-width:680px;margin:0 auto 30px;font-size:18px;color:#C9DED5}
.phero-actions{display:flex;gap:14px;justify-content:center;margin-bottom:22px;flex-wrap:wrap}
.phero-plats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:44px}
.phero-plats span{font-size:12.5px;color:#A9C4B9;padding:5px 12px;border:1px solid rgba(255,255,255,.16);border-radius:20px;background:rgba(255,255,255,.06)}

/* 任务流水线 */
.pipeline{display:flex;justify-content:center;align-items:stretch;gap:0;max-width:920px;margin:0 auto;flex-wrap:wrap}
.pipe-step{flex:1;min-width:150px;padding:22px 10px;display:flex;flex-direction:column;align-items:center;gap:10px;position:relative}
.pipe-step:not(:last-child)::after{content:"";position:absolute;top:44px;right:-14px;width:28px;height:2px;background:linear-gradient(90deg,var(--brand2),transparent)}
.pipe-node{width:60px;height:60px;border-radius:18px;background:rgba(17,30,26,.92);border:1px solid rgba(46,74,64,.95);display:flex;align-items:center;justify-content:center;color:var(--brand2);box-shadow:var(--shadow-glow)}
.pipe-node .ico-svg{width:27px;height:27px}
.pipe-step b{font-size:15.5px;color:#F2FBF7}
.pipe-step span{font-size:12.5px;color:#A9C4B9}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0}
.section.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.kicker{display:inline-block;font-size:12.5px;letter-spacing:2px;text-transform:uppercase;color:var(--brand-deep);margin-bottom:12px;font-weight:700}
.sec-title{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.4px;line-height:1.25;margin-bottom:14px}
.sec-sub{font-size:16px;color:var(--muted)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bento-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;gap:16px;align-items:flex-start;transition:.25s;box-shadow:0 1px 2px rgba(13,26,22,.03)}
.bento-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.bento-card .ico-svg{width:28px;height:28px;flex:none;color:var(--brand-deep);margin-top:2px}
.bento-card h3{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--text)}
.bento-card p{font-size:14px;color:var(--muted)}
.bento-card.big{grid-column:span 2}
.bento-card.wide{grid-column:span 2}
@media(max-width:820px){.bento{grid-template-columns:1fr 1fr}.bento-card.big,.bento-card.wide{grid-column:span 2}}
@media(max-width:560px){.bento{grid-template-columns:1fr}.bento-card.big,.bento-card.wide{grid-column:span 1}}

/* timeline */
.timeline{max-width:760px;margin:0 auto;position:relative}
.timeline::before{content:"";position:absolute;left:27px;top:10px;bottom:10px;width:2px;background:var(--line2)}
.tl-step{position:relative;padding:0 0 34px 74px}
.tl-step:last-child{padding-bottom:0}
.tl-num{position:absolute;left:0;top:2px;width:56px;height:56px;border-radius:50%;background:#fff;border:1px solid var(--line2);color:var(--accent-deep);font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 5px var(--bg2)}
.tl-step h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text)}
.tl-step p{font-size:15px;color:var(--muted)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.gallery-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.gallery-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.gallery-card img{width:100%;aspect-ratio:16/11;object-fit:cover}
.gallery-card figcaption{padding:16px 18px}
.gallery-card figcaption b{display:block;font-size:16px;margin-bottom:4px;color:var(--text)}
.gallery-card figcaption span{font-size:13.5px;color:var(--muted)}
@media(max-width:820px){.gallery{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.gallery{grid-template-columns:1fr}}

/* 下载条 */
.dl-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dl-chip{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 18px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;transition:.22s}
.dl-chip:hover{border-color:var(--brand);transform:translateY(-3px)}
.dl-chip .ico{width:52px;height:52px;border-radius:15px;background:var(--panel2);display:flex;align-items:center;justify-content:center;color:var(--brand-deep)}
.dl-chip .ico .ico-svg{width:26px;height:26px}
.dl-chip .dl-name{font-size:16px;font-weight:700;color:var(--text)}
.dl-chip .dl-sub{font-size:12.5px;color:var(--muted)}
@media(max-width:820px){.dl-strip{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.dl-strip{grid-template-columns:1fr}}

/* FAQ */
.faq-block{max-width:820px;margin:0 auto}
.faq-item,.faq-group details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.faq-item summary,.faq-group summary{cursor:pointer;padding:18px 20px;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center;transition:.2s;color:var(--text)}
.faq-item summary::after,.faq-group summary::after{content:"+";font-size:22px;color:var(--brand2);font-weight:600;line-height:1}
.faq-item[open] summary,.faq-group details[open] summary{color:var(--brand-deep)}
.faq-item[open] summary::after,.faq-group details[open] summary::after{content:"−"}
.faq-item .a,.faq-group details .a{padding:0 20px 18px;color:var(--text-soft);font-size:15px}
.faq-group h2{font-size:19px;margin:28px 0 14px;color:var(--text)}

/* CTA */
.cta-band{text-align:center;background:linear-gradient(135deg,rgba(14,200,169,.1),rgba(1,200,134,.05));border:1px solid var(--line2);border-radius:20px;padding:48px 32px}
.cta-title{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:12px;color:var(--text)}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 26px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:12px;font-weight:700;font-size:15px;transition:.2s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px -12px rgba(1,200,134,.7)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-ghost{background:transparent;border-color:var(--line2);color:var(--text-soft)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep)}
.phero .btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#EAF6F1}
.phero .btn-ghost:hover{border-color:var(--brand2);color:#fff}
.btn-link{background:none;color:var(--brand-deep);padding:8px 4px}
.btn-link:hover{text-decoration:underline}

/* ---------- 内页 hero ---------- */
.page-hero{background:var(--bg2);border-bottom:1px solid var(--line);padding:52px 0 46px}
.page-hero h1{font-size:clamp(28px,4.6vw,44px);font-weight:900;letter-spacing:-.5px;margin:16px 0 14px;color:var(--text)}
.page-hero .lead{font-size:17px;color:var(--text-soft);max-width:760px}
.article-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:18px;font-size:14px;color:var(--muted)}
.article-meta b{color:var(--text-soft)}

/* 面包屑 */
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:4px}
.breadcrumb a{color:var(--brand-deep)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{margin:0 8px;color:var(--line2)}

/* 平台卡片 */
.plat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plat-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.plat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plat-top{height:7px;background:var(--grad)}
.plat-body{padding:26px}
.plat-body .ico{width:54px;height:54px;border-radius:15px;background:var(--panel2);display:flex;align-items:center;justify-content:center;color:var(--brand-deep);margin-bottom:14px}
.plat-body .ico .ico-svg{width:27px;height:27px}
.plat-body h3{font-size:19px;font-weight:700;margin-bottom:6px;color:var(--text)}
.plat-body p{font-size:14px;color:var(--muted);margin-bottom:18px}
.plat-body .meta{margin-top:14px;font-size:12.5px;color:var(--muted)}
@media(max-width:820px){.plat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.plat-grid{grid-template-columns:1fr}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--brand-deep)}
.step p{font-size:14px;color:var(--muted)}
@media(max-width:760px){.steps{grid-template-columns:1fr}}

/* split */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.split .img-frame{background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.split .img-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin:10px 0 16px;color:var(--text)}
.split p{color:var(--text-soft);margin-bottom:14px;font-size:15.5px}
@media(max-width:820px){.split{grid-template-columns:1fr}}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);color:var(--text-soft)}
thead th{background:var(--panel2);color:var(--brand-deep);font-weight:700}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:rgba(1,200,134,.05)}

/* ---------- 文章 ---------- */
.article-layout{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:90px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.toc h4{font-size:13px;letter-spacing:1px;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.toc a{display:block;font-size:14px;color:var(--text-soft);padding:6px 0;border-bottom:1px dashed var(--line)}
.toc a:last-child{border-bottom:none}
.toc a:hover{color:var(--brand-deep)}
@media(max-width:860px){.article-layout{grid-template-columns:1fr}.toc{position:static}}
.prose{max-width:760px;color:var(--text-soft);font-size:16px}
.prose h2{font-size:24px;font-weight:800;color:var(--text);margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand2)}
.prose h2:first-child{margin-top:8px}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 18px 22px}
.prose li{margin-bottom:8px}
.prose a{color:var(--brand-deep);border-bottom:1px solid var(--brand)}
.prose a:hover{border-color:var(--brand-deep)}
.prose figure{margin:26px 0}
.prose figure img{border-radius:var(--radius);border:1px solid var(--line);width:100%}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.lead-fig img{aspect-ratio:16/8;object-fit:cover}
.tip,.callout{border-radius:var(--radius-sm);padding:18px 20px;margin:0 0 18px;font-size:15px}
.tip{background:rgba(14,200,169,.08);border:1px solid rgba(14,200,169,.3)}
.callout{background:rgba(255,227,85,.18);border:1px solid rgba(217,174,0,.35)}
.callout p,.tip p{margin:0}

/* 相关卡片 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s}
.rel-card:hover{border-color:var(--brand);transform:translateY(-3px)}
.rel-card a{display:block;padding:22px}
.rel-card .t{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--text)}
.rel-card .d{font-size:13.5px;color:var(--muted)}
@media(max-width:820px){.rel-grid{grid-template-columns:1fr}}

/* ---------- 页脚 ---------- */
.pfoot{margin-top:60px;background:var(--bg2);border-top:1px solid var(--line);position:relative;overflow:hidden}
.pfoot-spectrum{height:4px;background:linear-gradient(90deg,var(--brand2),var(--brand),var(--accent),var(--brand),var(--brand2))}
.pfoot-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px 24px;flex-wrap:wrap}
.pfoot-brand{font-weight:700;color:var(--text);display:flex;align-items:center;gap:12px}
.pfoot-brand em{font-style:normal;font-weight:500;font-size:12.5px;color:var(--muted);padding:3px 10px;border:1px solid var(--line2);border-radius:20px}
.pfoot-copy{color:var(--muted);font-size:13.5px}

/* backtop */
.backtop{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line2);color:var(--brand-deep);font-size:18px;cursor:pointer;opacity:0;visibility:hidden;transition:.25s;z-index:40;box-shadow:var(--shadow)}
.backtop.show{opacity:1;visibility:visible}
.backtop:hover{background:var(--grad);color:#fff}

/* 其他 */
.ico-svg{display:block}
.notfound{text-align:center;padding:40px 0}
.notfound .big{font-size:90px;font-weight:900;color:var(--line2);letter-spacing:8px;margin-bottom:10px}
.notfound p{color:var(--muted);margin-bottom:26px}
.search-box{display:flex;gap:12px;max-width:560px;margin-top:22px}
.search-input{flex:1;background:#fff;border:1px solid var(--line2);border-radius:12px;padding:13px 18px;color:var(--text);font-size:15px;outline:none}
.search-input:focus{border-color:var(--brand)}
.search-input::placeholder{color:var(--muted)}