:root{--te:#0d5c5c;--ted:#083f3f;--or:#f97316;--ink:#12233d;--bg:#f2f7f6;--sf:#ffffff;--mut:#51636f;--line:#d7e4e1;--blu:#12233d}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:'Trebuchet MS','Segoe UI',Verdana,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px}a{color:var(--te);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.hd{background:var(--ted);position:relative}.hd-in{display:flex;align-items:center;gap:14px;min-height:64px}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:#fff}.logo .oct{width:36px;height:36px}.nav{display:flex;gap:2px;margin-left:auto;flex-wrap:wrap}.nav a{color:#bcd6d2;padding:9px 12px;border-radius:8px;font-size:.9rem;font-weight:600}.nav a:hover{color:#fff;background:var(--te);text-decoration:none}.nav a.on{color:#fff;background:var(--or)}.burger{display:none;margin-left:auto;background:none;border:1px solid #2c5a58;color:#bcd6d2;padding:8px 11px;border-radius:8px;cursor:pointer}.crumb{font-size:.82rem;color:var(--mut);padding:14px 0}.crumb .bc-sep{margin:0 6px;color:#9fb8b4}.crumb a{color:var(--mut)}.crumb .bc-sep:first-child{display:none}.hero{background:linear-gradient(180deg,var(--ted),var(--te));color:#fff;padding:44px 0 38px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}.kicker{color:#fdba74;font-weight:700;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase}h1{font-size:clamp(1.6rem,4vw,2.25rem);margin:8px 0 12px;line-height:1.3;color:#fff}.lead{color:#c8e0dc;font-size:1.04rem}.stat-chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.stat{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:9px 14px;font-size:.82rem;font-weight:700;color:#e8f4f2}.stat b{color:#fdba74;font-size:1.05rem;margin-right:4px}.hero-cta{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}.btn{display:inline-block;padding:11px 20px;border-radius:10px;font-weight:700;font-size:.92rem}.btn-or{background:var(--or);color:#3b1d05}.btn-or:hover{background:#fb8c3c;text-decoration:none;color:#3b1d05}.btn-gh{border:1px solid rgba(255,255,255,.4);color:#fff}.btn-gh:hover{background:rgba(255,255,255,.1);text-decoration:none}.mapbox{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:12px}.mapbox svg{width:100%;height:auto;display:block}.node-hub{fill:var(--or)}.node{fill:#0e7a74;stroke:#7dd3c8;stroke-width:1.5}.node-t{fill:#eafffb;font-size:13px;font-weight:700;font-family:'Trebuchet MS',sans-serif}.edge{stroke:#4e9e97;stroke-width:1.6;stroke-dasharray:5 4}a.nlink:hover .node{fill:var(--or);stroke:#fed7aa}.sec{padding:40px 0}.sec-alt{background:var(--sf);border-block:1px solid var(--line)}h2.sec-t{font-size:1.45rem;color:var(--ted);margin-bottom:6px}.sec-t .dot{display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--or);margin-right:10px}.sec-sub{color:var(--mut);max-width:760px;margin-bottom:22px}.hgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.hcard{background:var(--sf);border:1px solid var(--line);border-radius:16px;padding:20px;position:relative;transition:transform .15s,box-shadow .15s}.hcard:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(8,63,63,.14);text-decoration:none}.hcard .hc-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}.hcard .hc-ic{width:42px;height:42px;border-radius:12px;background:var(--bg);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:1.15rem}.hcard h3{font-size:1.05rem;color:var(--ted)}.hcard p{font-size:.86rem;color:var(--mut)}.hcard .hc-count{position:absolute;top:16px;right:16px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;font-size:.75rem;font-weight:800;border-radius:999px;padding:3px 10px}.hcard .hc-go{display:block;margin-top:10px;font-size:.82rem;font-weight:800;color:var(--te)}.paths{display:grid;gap:12px}.prow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--sf);border:1px solid var(--line);border-radius:14px;padding:14px 16px}.prow .pw-t{font-weight:800;color:var(--ted);min-width:130px}.pstepchip{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.8rem;font-weight:700;color:var(--ink)}.pstepchip:hover{border-color:var(--or);text-decoration:none}.parrow{color:var(--or);font-weight:800}.doc{max-width:860px;margin:0 auto;padding:0 0 50px}.posbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;background:var(--sf);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin:12px 0;font-size:.8rem;color:var(--mut)}.posbar b{color:var(--ted)}.doc-head h1{color:var(--ted)}.docmeta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;font-size:.8rem;color:var(--mut)}.docmeta span{background:var(--sf);border:1px solid var(--line);border-radius:999px;padding:3px 12px}.fig{margin:20px 0;border-radius:14px;overflow:hidden;border:1px solid var(--line)}.fig figcaption{font-size:.78rem;color:var(--mut);margin-top:6px}.prose{background:var(--sf);border:1px solid var(--line);border-radius:16px;padding:30px 36px;margin-top:14px}.prose h2{font-size:1.32rem;color:var(--ted);margin:28px 0 12px;padding-left:14px;border-left:4px solid var(--or)}.prose h3{font-size:1.05rem;color:var(--ted);margin:20px 0 8px}.prose p{margin:12px 0;color:#33414d}.prose ul,.prose ol{margin:12px 0 12px 22px;color:#33414d}.prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.9rem}.prose th{background:var(--ted);color:#dff3f0;text-align:left;padding:9px 12px}.prose td{border:1px solid var(--line);padding:9px 12px}.prose tr:nth-child(even) td{background:#f6faf9}.prose blockquote{border-left:4px solid var(--or);background:#fff7ed;padding:12px 18px;margin:16px 0;color:#7c3a12;border-radius:0 10px 10px 0}.toc{background:var(--sf);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:14px 0}.toc .toc-title{font-weight:800;color:var(--ted);margin-bottom:8px;font-size:.9rem}.toc ol{padding-left:20px;font-size:.86rem;color:var(--mut);display:grid;gap:6px}.takeaways{background:#e8f4f1;border:1px solid #c3e2dc;border-radius:12px;padding:16px 20px;margin:22px 0}.takeaways .tk-title{font-weight:800;color:var(--ted);margin-bottom:8px}.takeaways ul{padding-left:20px;color:#33414d;display:grid;gap:6px}.promo-note{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:12px 16px;margin:18px 0;font-size:.9rem;color:#7c3a12}.faq{background:var(--sf);border:1px solid var(--line);border-radius:14px;padding:22px 26px;margin:22px 0}.faq-title{color:var(--ted);font-size:1.2rem;margin-bottom:12px}.faq-item{border-bottom:1px solid var(--line);padding:10px 0}.faq-item:last-child{border-bottom:0}.faq-item summary{cursor:pointer;font-weight:700;list-style:none;position:relative;padding-right:26px}.faq-item summary::after{content:"＋";position:absolute;right:4px;color:var(--or);font-weight:800}.faq-item[open] summary::after{content:"－"}.faq-a{padding:8px 0 4px;color:var(--mut)}.related h2{color:var(--ted);font-size:1.25rem;margin:26px 0 14px}.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.rel-card{background:var(--sf);border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:6px}.rel-card:hover{border-color:var(--or);text-decoration:none;box-shadow:0 8px 18px rgba(8,63,63,.1)}.rel-t{font-weight:700;color:var(--ted);line-height:1.35}.rel-d{font-size:.84rem;color:var(--mut)}.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}.card{background:var(--sf);border:1px solid var(--line);border-radius:12px;padding:16px}.card-t{font-size:1rem;margin-bottom:6px}.card-t a{color:var(--ted)}.card-d{font-size:.86rem;color:var(--mut)}.card-m{font-size:.76rem;color:#9fb8b4;margin-top:8px}.ft{background:var(--blu);color:#aebfd4;margin-top:40px}.ft-in{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:26px;padding:38px 0 24px}.ft h4{color:#e6eefb;margin-bottom:10px;font-size:.95rem}.ft a{color:#aebfd4;font-size:.88rem;display:block;padding:3px 0}.ft a:hover{color:var(--or)}.ft-brand p{font-size:.85rem;max-width:330px;color:#8fa2ba}.ft-legal{border-top:1px solid #1e2f4d;padding:16px 0;font-size:.78rem;color:#8fa2ba}.badge18{display:inline-flex;width:38px;height:38px;border-radius:50%;border:2px solid var(--or);color:var(--or);align-items:center;justify-content:center;font-weight:800;margin-right:10px}@media(max-width:960px){.hero-grid{grid-template-columns:1fr}.hgrid{grid-template-columns:repeat(2,1fr)}.rel-grid,.cards3{grid-template-columns:repeat(2,1fr)}.ft-in{grid-template-columns:1fr 1fr}}@media(max-width:640px){.nav{display:none;position:absolute;top:100%;left:0;right:0;z-index:70;background:var(--ted);border-bottom:1px solid #2c5a58;flex-direction:column;padding:10px 16px}.nav.open{display:flex}.burger{display:block}.hgrid,.rel-grid,.cards3{grid-template-columns:1fr}.prose{padding:20px 18px}}.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.tbl-wrap table{margin:16px 0}body{overflow-wrap:break-word}.doc,.tsec,.hero-grid,.hero-flex{min-width:0}.doc>*,.prose,.ts-txt,.hf-txt,.side-col,.feature{min-width:0}h1,h2,h3,a,summary{overflow-wrap:anywhere}@media(max-width:640px){.prose td,.prose th{padding:7px 9px;font-size:.85rem}}.crumb a,.breadcrumb a,.toc li a,.ft a,.side-col li a,.crow .cr-go,.golink,.hc-go,.band>a,.band div>a,.rel-card,.qcard,.ts-item,.card,.term,.chip,.pill,.cchip,.pstepchip,.tile,.pstep a,.card-t a,.pick h3 a,.news h3 a,.nav a{display:inline-block;min-height:24px;padding-block:3px;box-sizing:border-box}.ft a{display:block;min-height:24px;padding:4px 0}.az a{display:inline-flex;align-items:center;justify-content:center;min-height:24px;min-width:26px;padding:2px 8px}.qcard,.rel-card,.term,.tile{display:flex;padding-block:0}.related,.faq,.takeaways,.ft,.promo-note{content-visibility:auto;contain-intrinsic-size:auto 320px}section.sec:nth-of-type(n+3){content-visibility:auto;contain-intrinsic-size:auto 640px}.burger{touch-action:manipulation;-webkit-tap-highlight-color:transparent;min-width:44px;min-height:44px;cursor:pointer}.float-cta{position:fixed;left:50%;transform:translateX(-50%);bottom:12px;z-index:999;display:flex;align-items:center;justify-content:space-between;gap:12px;width:clamp(340px,75.6vw,560px);max-width:calc(100vw - 16px);background:rgba(15,17,26,.97);border:1px solid rgba(212,175,55,.55);border-radius:999px;padding:10px 12px 10px 18px;box-shadow:0 8px 28px rgba(0,0,0,.45)}.fc-gift{font-size:1.45rem;line-height:1;animation:fc-bounce 1.6s ease-in-out infinite}.fc-text{color:#f5e6b8;font-weight:800;font-size:1.08rem;letter-spacing:.02em;white-space:nowrap}.fc-btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;background:linear-gradient(135deg,#f5c542,#d4920a 55%,#f7d873);color:#241a02;font-weight:800;font-size:1rem;padding:12px 22px;border-radius:999px;text-decoration:none;white-space:nowrap;animation:fc-pulse 1.6s infinite}.fc-btn:hover{text-decoration:none;filter:brightness(1.07)}.fc-btn::after{content:"";position:absolute;top:0;left:-80%;width:55%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.75),transparent);transform:skewX(-18deg);animation:fc-shine 2.2s infinite}@keyframes fc-pulse{0%{box-shadow:0 0 0 0 rgba(247,196,55,.7)}70%{box-shadow:0 0 0 12px rgba(247,196,55,0)}100%{box-shadow:0 0 0 0 rgba(247,196,55,0)}}@keyframes fc-shine{0%{left:-80%}55%{left:130%}100%{left:130%}}@keyframes fc-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}@media(max-width:420px){.float-cta{gap:8px;padding:9px 10px 9px 14px}.fc-gift{font-size:1.2rem}.fc-text{font-size:.95rem}.fc-btn{padding:11px 16px;font-size:.92rem}}@media(max-width:355px){.fc-text{font-size:.85rem}.fc-btn{padding:10px 13px;font-size:.85rem}}@media(prefers-reduced-motion:reduce){.fc-btn,.fc-btn::after,.fc-gift{animation:none}}