.brothers-page{--兄弟墨色: #152b36;--兄弟浅墨: #637984;--兄弟线条: #c7d6dc;--兄弟海蓝: #16667a;--兄弟深蓝: #092f3e;--兄弟冰蓝: #eaf5f7;--兄弟金色: #d99732;--兄弟警示: #b9583e;display:grid;gap:16px;color:var(--兄弟墨色)}.home-event-card--brothers-in-arms{border-color:#b7d1d9;background:linear-gradient(135deg,#f6fcfd,#eef7f8)}.home-event-card--brothers-in-arms:hover{border-color:#d69b46;background:#fffaf3}.brothers-breadcrumb{display:flex;flex-wrap:wrap;gap:4px;align-items:center;color:#70848d;font-size:11px}.brothers-breadcrumb a{color:#4d717d;font-weight:800;text-decoration:none}.brothers-breadcrumb a:hover{color:var(--兄弟海蓝)}.brothers-breadcrumb strong{color:var(--兄弟墨色)}.brothers-hero{position:relative;display:grid;grid-template-areas:"art" "copy" "stats";overflow:hidden;border:1px solid #2d6879;border-radius:10px;color:#f1fbfc;background:var(--兄弟深蓝);box-shadow:0 20px 44px #06283533}.brothers-hero:before{position:absolute;inset:0;opacity:.42;background-image:linear-gradient(rgba(111,203,219,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(111,203,219,.12) 1px,transparent 1px);background-size:38px 38px;content:"";mask-image:linear-gradient(to bottom,#000,transparent 82%)}.brothers-hero-copy{position:relative;z-index:1;grid-area:copy;padding:0 18px 24px}.brothers-eyebrow,.brothers-kicker{display:inline-flex;gap:6px;align-items:center;margin:0;color:#75d6df;font-size:10px;font-weight:850;letter-spacing:.08em;line-height:1.35;text-transform:uppercase}.brothers-hero h1{max-width:740px;margin:9px 0 0;color:#fff4d3;font-size:clamp(36px,10vw,67px);letter-spacing:-.035em;line-height:.98}.brothers-english-title{margin:7px 0 0;color:#8bc6d0;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.brothers-lead{max-width:680px;margin:14px 0 0;color:#c8dde1;font-size:14px;line-height:1.72}.brothers-hero-art{position:relative;z-index:1;grid-area:art;display:grid;min-height:170px;place-items:center;isolation:isolate}.brothers-hero-art img{position:relative;z-index:2;width:128px;height:128px;border:1px solid rgba(244,193,104,.72);border-radius:10px;background:#113d4b;box-shadow:0 16px 30px #000c1261;object-fit:contain}.brothers-reticle{position:absolute;border:1px solid rgba(117,214,223,.33);border-radius:50%}.brothers-reticle--outer{width:232px;height:232px}.brothers-reticle--inner{width:166px;height:166px;border-style:dashed}.brothers-scan-line{position:absolute;width:280px;height:1px;background:#75d6df59;box-shadow:0 -55px #75d6df1f,0 55px #75d6df1f;transform:rotate(-14deg)}.brothers-stat-strip{position:relative;z-index:1;grid-area:stats;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;border-top:1px solid rgba(128,214,222,.2);background:#02151d57}.brothers-stat-strip div{display:grid;gap:5px;min-width:0;padding:12px 11px;border-inline-end:1px solid rgba(128,214,222,.16);border-bottom:1px solid rgba(128,214,222,.16)}.brothers-stat-strip div:nth-child(2n){border-inline-end:0}.brothers-stat-strip div:nth-last-child(-n+2){border-bottom:0}.brothers-stat-strip dt{display:flex;gap:5px;align-items:center;overflow:hidden;color:#9fbec4;font-size:9px;font-weight:750;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.brothers-stat-strip dd{margin:0;overflow:hidden;color:#ffe5a9;font-size:16px;font-weight:900;line-height:1;text-overflow:ellipsis;white-space:nowrap}.brothers-nav{display:flex;gap:6px;overflow-x:auto;padding:1px 0 7px;border-bottom:1px solid var(--兄弟线条);scrollbar-width:none}.brothers-nav::-webkit-scrollbar{display:none}.brothers-nav>span,.brothers-nav a{display:inline-flex;flex:0 0 auto;gap:5px;align-items:center;min-height:32px;padding:0 10px;color:#52727d;font-size:10px;font-weight:800;text-decoration:none}.brothers-nav>span{color:var(--兄弟海蓝)}.brothers-nav a:hover{color:var(--兄弟墨色);background:var(--兄弟冰蓝)}.brothers-nav a:focus-visible{outline:3px solid rgba(22,102,122,.3);outline-offset:2px}.brothers-layout,.brothers-main{display:grid;gap:16px;min-width:0}.brothers-section,.brothers-checklist{min-width:0;padding:19px 15px;border:1px solid var(--兄弟线条);border-radius:9px;background:#fff;box-shadow:0 9px 23px #19414d0f;scroll-margin-top:88px}.brothers-section--overview{background:#f7fbfc}.brothers-section--playbook{border-color:#bfd4da;background:#f4fafb}.brothers-section--warning{border-color:#e1bda5;background:#fff9f4}.brothers-heading{display:grid;gap:7px}.brothers-heading h2,.brothers-checklist h2{margin:0;color:var(--兄弟墨色);font-size:23px;line-height:1.18}.brothers-heading>p:last-child,.brothers-checklist>p{margin:0;color:var(--兄弟浅墨);font-size:12px;line-height:1.72}.brothers-kicker{color:var(--兄弟海蓝)}.brothers-kicker--warning{color:var(--兄弟警示)}.brothers-overview-grid{display:grid;gap:9px;margin-top:17px}.brothers-overview-grid article{display:grid;grid-template-columns:32px minmax(0,1fr);gap:5px 9px;padding:13px;border:1px solid #d3e0e4;border-radius:8px;background:#ffffffd9}.brothers-overview-grid article>span{grid-row:1 / 3;color:var(--兄弟金色);font-size:11px;font-weight:900}.brothers-overview-grid h3,.brothers-rule-list h3,.brothers-playbook-list h3,.brothers-mistake-grid h3{margin:0;color:var(--兄弟墨色);font-size:13px;line-height:1.35}.brothers-overview-grid p,.brothers-rule-list p,.brothers-playbook-list p,.brothers-mistake-grid p{margin:0;color:var(--兄弟浅墨);font-size:11px;line-height:1.66}.brothers-rule-list{display:grid;margin-top:17px;border-top:1px solid var(--兄弟线条)}.brothers-rule-list article{display:grid;grid-template-columns:37px minmax(0,1fr);gap:10px;padding:13px 0;border-bottom:1px solid var(--兄弟线条)}.brothers-rule-icon{display:grid;width:32px;height:32px;border:1px solid #b8d4db;border-radius:7px;color:var(--兄弟海蓝);background:var(--兄弟冰蓝);place-items:center}.brothers-rule-list article>div,.brothers-playbook-list li>div,.brothers-mistake-grid article>div{display:grid;gap:5px;min-width:0}.brothers-playbook-list{display:grid;gap:0;margin:17px 0 0;padding:0;list-style:none;counter-reset:战术步骤}.brothers-playbook-list li{position:relative;display:grid;grid-template-columns:36px minmax(0,1fr);gap:11px;padding:0 0 19px}.brothers-playbook-list li:last-child{padding-bottom:0}.brothers-playbook-list li:not(:last-child):after{position:absolute;top:31px;bottom:2px;inset-inline-start:15px;width:1px;background:#abcbd3;content:""}.brothers-step{position:relative;z-index:1;display:grid;width:31px;height:31px;border-radius:50%;color:#fff;background:var(--兄弟海蓝);font-size:12px;font-weight:900;place-items:center}.brothers-mistake-grid{display:grid;gap:8px;margin-top:17px}.brothers-mistake-grid article{display:grid;grid-template-columns:32px minmax(0,1fr);gap:9px;padding:12px;border:1px solid #e5c5b2;border-radius:8px;background:#ffffffb8}.brothers-mistake-grid article>span{color:var(--兄弟警示)}.brothers-faq-list{display:grid;gap:7px;margin-top:17px}.brothers-faq-list details{border:1px solid #cfdee2;border-radius:8px;background:#fbfdfd}.brothers-faq-list summary{display:flex;gap:8px;align-items:center;justify-content:space-between;padding:12px 13px;color:var(--兄弟墨色);font-size:12px;font-weight:850;cursor:pointer;list-style:none}.brothers-faq-list summary::-webkit-details-marker{display:none}.brothers-faq-list summary svg{flex:0 0 auto;color:var(--兄弟海蓝);transition:transform .16s ease}.brothers-faq-list details[open] summary svg{transform:rotate(90deg)}.brothers-faq-list details p{margin:0;padding:0 13px 13px;color:var(--兄弟浅墨);font-size:11px;line-height:1.72}.brothers-aside{display:grid;gap:12px;align-content:start}.brothers-checklist{border-color:#b9d2d9;background:#f5fafb}.brothers-checklist ul{display:grid;gap:9px;margin:15px 0 0;padding:0;list-style:none}.brothers-checklist li{display:grid;grid-template-columns:19px 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div:last-child{border-inline-end:0}.brothers-overview-grid,.brothers-mistake-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.brothers-section,.brothers-checklist{padding:23px}}@media(min-width:980px){.brothers-layout{grid-template-columns:minmax(0,1fr) 288px;align-items:start}.brothers-aside{position:sticky;top:92px}.brothers-hero{grid-template-columns:minmax(0,1fr) 280px}.brothers-hero-copy{padding-inline-start:38px}.brothers-hero-art img{width:154px;height:154px}.brothers-reticle--outer{width:272px;height:272px}.brothers-rule-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}}@media(prefers-reduced-motion:reduce){.brothers-faq-list summary svg{transition:none}}