/* RelVectors 首页（/home.html）——沿用站点配色与字体，不引入外部字体或内联样式 */
.rv-home .skip-link{position:absolute;left:-9999px;top:0;background:#114f9c;color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:99}
.rv-home .skip-link:focus{left:0}
.rv-home .rv-main{width:min(1120px,calc(100% - 96px));margin:auto;padding-bottom:0}
.rv-home h1,.rv-home h2,.rv-home h3{font-weight:400;color:#20241f}

/* 首屏 */
.rv-hero{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:56px;align-items:center;padding:72px 0 76px}
.rv-hero h1{font-size:clamp(33px,4vw,50px);line-height:1.32;letter-spacing:-1.8px;margin:20px 0}
.rv-hero h1 span{color:#114f9c}
.rv-lead{font-size:19px;line-height:1.82;color:#3a4a3f;max-width:640px;margin:0}
.rv-lead strong{font-weight:600;color:#223a28}
.rv-divider{width:75%;height:1px;background:#cfd3ca;margin:24px 0 18px}
.rv-detail{font-size:15px;line-height:1.9;color:#63705a;max-width:620px;margin:0}
.rv-detail strong{font-weight:600;color:#20241f}
.rv-actions{display:flex;align-items:center;flex-wrap:wrap;gap:11px;margin-top:27px}
.rv-button{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:10px 18px;border:1px solid #c6cbc0;border-radius:8px;background:transparent;color:#20241f;font-size:14px;font-weight:600;text-decoration:none}
.rv-button.dark{background:#20241f;border-color:#20241f;color:#fafbf7}
.rv-button:hover{filter:brightness(.96)}
.rv-potential{background:#1c271b;border-radius:18px;padding:30px 28px 26px;color:#f8fbf6;box-shadow:0 18px 40px #15291b14}
.rv-potential-label{color:#a9c4aa;font-size:11px;letter-spacing:1.4px}
.rv-potential strong{display:block;margin:18px 0 11px;font-size:clamp(27px,3.4vw,40px);font-weight:400;line-height:1.28;letter-spacing:-1.6px;color:#d5edc6}
.rv-potential p{font-size:14px;line-height:1.92;color:#cedace;margin:0}
.rv-potential-note{margin-top:22px;padding-top:16px;border-top:1px solid #3b5442;color:#9dad9e;font-size:11.5px;line-height:1.8}

/* 通用分区 */
.rv-section{border-top:1px solid #d9dcd2;padding:78px 0}
.rv-head{display:grid;grid-template-columns:190px minmax(0,1fr);gap:44px;margin-bottom:30px}
.rv-head h2{font-size:clamp(27px,3.3vw,41px);line-height:1.36;letter-spacing:-1.4px;margin:0 0 14px}
.rv-intro{font-size:16px;line-height:1.95;color:#63705a;max-width:800px;margin:0}
.rv-intro b{font-weight:600;color:#20241f}

/* 对照与公式 */
.rv-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rv-card{border:1px solid #d9dcd2;background:#fffefa;border-radius:14px;padding:28px;min-height:262px}
.rv-card.accent{border-color:#b9c8d9;background:#f5f8fc}
.rv-sub{font-size:11px;letter-spacing:1px;color:#6a775f;font-weight:600}
.rv-card h3{font-size:27px;line-height:1.34;letter-spacing:-1px;margin:14px 0}
.rv-card p{font-size:14.5px;line-height:1.9;color:#63705a;margin:0}
.rv-statement{margin-top:18px;border-top:1px solid #d9dcd2;padding-top:12px;font-size:14.5px;color:#20241f}
.rv-statement b{font-weight:600}
.rv-equation{margin-top:17px;padding:24px 26px;background:#e9ede1;border:1px solid #cbd5c6;border-radius:14px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.rv-equation strong{display:block;font-size:22px;font-weight:500;line-height:1.4}
.rv-equation span{display:block;font-size:12.5px;color:#6a775f;margin-top:5px}
.rv-equation .plus{font-size:22px;color:#81917d;font-weight:400}
.rv-definition{margin:20px 0 0;font-size:14px;line-height:1.95;color:#63705a}
.rv-definition b{font-weight:600;color:#20241f}

/* 深色：为什么重要 */
.rv-dark{background:#17251e;border-radius:18px;padding:40px 38px 36px;color:#f6f9f4}
.rv-dark .rv-head{margin-bottom:26px}
.rv-dark .portal-kicker{color:#a9c4aa}
.rv-dark h2{color:#f8fbf6}
.rv-dark .rv-intro{color:#c2cfc3}
.rv-rule{display:grid;grid-template-columns:1fr 40px 1fr;gap:18px;align-items:center;border:1px solid #3b5442;border-radius:14px;padding:24px 26px;margin-bottom:26px}
.rv-rule .stage small{display:block;font-size:10.5px;letter-spacing:1.2px;color:#99b29c;margin-bottom:9px}
.rv-rule .stage strong{display:block;font-weight:400;font-size:21px;line-height:1.55;color:#f4f9f1}
.rv-rule .stage p{margin:8px 0 0;color:#b3c4b5;font-size:12.5px;line-height:1.8}
.rv-rule .arrow{text-align:center;color:#c6e5b6;font-size:22px}
.rv-market-title{font-size:19px;font-weight:400;color:#e5f2df;margin:0 0 15px}
.rv-markets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}
.rv-markets article{border:1px solid #3b5442;border-radius:12px;padding:18px 16px;background:rgba(255,255,255,.018);min-width:0}
.rv-markets .index{font-size:11px;color:#93ac93}
.rv-markets h3{font-size:17px;color:#f2f8ee;margin:14px 0 8px;line-height:1.4}
.rv-markets p{font-size:12.5px;line-height:1.78;color:#b6c8b9;margin:0}
.rv-note{color:#a1b7a4;font-size:11.5px;margin:16px 0 0;line-height:1.8}

/* 关于极客站 */
.rv-about-lead{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:44px;align-items:start;margin-bottom:32px}
.rv-about-lead h2{font-size:clamp(27px,3.3vw,41px);line-height:1.36;letter-spacing:-1.4px;margin:14px 0 16px}
.rv-about-lead h2 .name{color:#114f9c}
.rv-deck{font-size:16px;line-height:1.95;color:#63705a;max-width:660px;margin:0}
.rv-deck strong{color:#20241f;font-weight:600}
.rv-about-note{border:1px solid #cbd8c6;border-radius:15px;padding:24px;background:#eef2ea}
.rv-about-note .tag{font-size:11px;letter-spacing:1px;color:#6a775f;font-weight:600}
.rv-about-note p{font-size:18px;line-height:1.8;margin:11px 0 16px;color:#28402e}
.rv-stats{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding-top:16px;border-top:1px solid #cfd9cb}
.rv-stats strong{display:block;font-size:23px;color:#294b34;line-height:1.3}
.rv-stats span{display:block;font-size:11.5px;line-height:1.65;color:#667569;margin-top:3px}
.rv-chronicle h3{font-weight:400;font-size:20px;margin:0 0 12px}
.rv-row{display:grid;grid-template-columns:120px minmax(0,1fr);gap:26px;padding:16px 0;border-top:1px solid #d9dcd2}
.rv-row .year{font-size:21px;color:#507251;line-height:1.4}
.rv-row .items{display:grid;gap:9px}
.rv-row .items>div{font-size:13.5px;line-height:1.88;color:#63705a;padding-left:15px;position:relative}
.rv-row .items>div:before{content:"";position:absolute;left:0;top:.8em;width:5px;height:5px;border-radius:50%;background:#7f9c79}
.rv-row .items b{font-weight:600;color:#20241f}
.rv-row.research .year{color:#24452d}
.rv-row.research .items>div{color:#2c4434}
.rv-outro{margin-top:24px;padding:20px 22px;border-left:3px solid #114f9c;background:#edf1e9;font-size:14.5px;line-height:1.92;color:#3a4c3d}
.rv-outro strong{font-weight:600;color:#20241f}

/* 合作 */
.rv-join-box{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:center;border:1px solid #d9dcd2;border-radius:16px;background:#f0f3eb;padding:32px}
.rv-join-box h2{font-size:clamp(26px,3.1vw,37px);line-height:1.36;letter-spacing:-1.2px;margin:12px 0}
.rv-join-box p{font-size:14.5px;line-height:1.92;color:#63705a;max-width:680px;margin:0}
.rv-asks{font-size:13.5px;color:#20241f;line-height:2;margin-top:12px}
.rv-join-actions{text-align:center}
.rv-copy{background:#20241f;color:#fff;border:1px solid #20241f;border-radius:8px;min-height:44px;padding:11px 16px;font-size:14px;font-weight:600;width:100%}
.rv-copy:hover{filter:brightness(.94)}
.rv-caption{margin-top:10px;font-size:11.5px;line-height:1.8;color:#6a775f}
.rv-hidden{display:none!important}
.rv-clipboard{position:fixed;top:0;left:0;width:1px;height:1px;opacity:0;pointer-events:none}

@media(max-width:970px){
 .rv-hero{grid-template-columns:1fr;gap:28px;padding:52px 0 58px}
 .rv-potential{max-width:640px}
 .rv-head{grid-template-columns:1fr;gap:12px}
 .rv-markets{grid-template-columns:repeat(2,minmax(0,1fr))}
 .rv-about-lead{grid-template-columns:1fr;gap:20px}
 .rv-about-note{max-width:640px}
 .rv-join-box{grid-template-columns:1fr}
 .rv-home .rv-main{width:calc(100% - 64px)}
}
@media(max-width:650px){
 .rv-home .rv-main{width:calc(100% - 36px)}
 .rv-hero{padding:36px 0 44px}
 .rv-hero h1{font-size:31px;letter-spacing:-1.1px}
 .rv-lead{font-size:16px}
 .rv-section{padding:54px 0}
 .rv-head h2,.rv-about-lead h2{font-size:26px}
 .rv-compare,.rv-row{grid-template-columns:1fr}
 .rv-card{min-height:auto;padding:22px}
 .rv-equation{grid-template-columns:1fr;gap:8px;padding:20px}
 .rv-equation .plus{display:none}
 .rv-dark{padding:26px 20px 24px;border-radius:14px}
 .rv-rule{grid-template-columns:1fr;gap:8px;padding:20px}
 .rv-rule .arrow{text-align:left}
 .rv-markets{grid-template-columns:1fr}
 .rv-row{gap:6px;padding:14px 0}
 .rv-row .year{font-size:19px}
 .rv-join-box{padding:22px}
 .rv-chronicle h3{font-size:18px}
}