/* First-page outer chrome only. No #mapSvg, map-stage, GIS layer, legend, scale or north-arrow rules. */
.app{background:linear-gradient(180deg,#ddf2ff 0%,#edf9ff 52%,#dceffb 100%)}
.app .topbar{color:#082c76;background:linear-gradient(90deg,rgba(245,252,255,.93) 0%,rgba(255,255,255,.24) 37%,rgba(245,251,255,.2) 64%,rgba(237,249,255,.91) 100%),url("assets/header-panorama.png") center 58%/cover no-repeat;border-bottom:4px solid #a4ddfa;border-radius:0 0 18px 18px;box-shadow:0 3px 14px #2383be2a;padding:0 24px;gap:13px}
.app .brand-mark{width:82px;height:65px;min-width:82px;object-fit:contain;background:none;border:0;border-radius:0;transform:none}
.app .heading{flex:0 0 auto}
.app .heading h1{color:#092b76;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif;font-size:37px;font-weight:900;letter-spacing:.025em;margin:0;line-height:1.14;text-shadow:0 1px 0 #ffffffb8;white-space:nowrap}
.app .eyebrow{font-family:Arial,"Microsoft YaHei",sans-serif;color:#315a9c;font-size:11px;font-weight:700;letter-spacing:.19em;margin-top:3px;line-height:1.1;white-space:nowrap}
.app .header-slogan{color:#2679be;font:italic 700 15px "KaiTi","STKaiti",serif;letter-spacing:.1em;text-align:right;flex:1;white-space:nowrap;text-shadow:0 1px 0 #fff}
.app .page-pill{margin-left:10px;color:#0b387e;background:#edf8ffeb;border:1px solid #8cbff0;box-shadow:0 3px 10px #1f8bd227;border-radius:999px;padding:9px 15px;font-size:13px}
.app .pill-dot{background:#168cf4;box-shadow:0 0 0 4px #1694f524}
.app .utility-button{display:flex;align-items:center;justify-content:center;gap:7px;background:linear-gradient(180deg,#36c8f9 0%,#0071ef 100%);border:1px solid #88d5ff;box-shadow:0 4px 10px #087bc754;color:#fff;font-weight:800;font-size:14px;border-radius:14px;padding:0 14px;white-space:nowrap}
.app .utility-button:hover{background:linear-gradient(180deg,#4ad5ff,#0c84f6)}
.app .utility-button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.app .sidebar{background:linear-gradient(135deg,#f8fcffed 0%,#ecf8ffed 100%);border:1px solid #b9dff7;border-radius:25px;box-shadow:0 5px 23px #48a0d122,inset 0 1px 0 #fff;padding:22px 16px 16px}
.app .panel-heading{gap:13px;padding:0 4px}
.app .section-number{font:700 30px Georgia,serif;color:#138ae9;border-right:2px solid #b8daf1;padding-right:11px}
.app .panel-heading .overline{color:#6ba9e7;font-size:11px;letter-spacing:.14em}
.app .panel-heading h2{font:900 25px "Songti SC","STSong","SimSun",serif;color:#092e78;margin:1px 0}
.app .panel-intro{color:#6483b0;font-size:11px;font-weight:600;margin:14px 4px 15px;line-height:1.55}
.app .layer-list{gap:9px}
.app .layer-toggle{min-height:74px;background:linear-gradient(135deg,#fbfdff 0%,#ebf7ff 100%);border:1px solid #c1dffc;border-radius:14px;color:#0d357d;box-shadow:inset 0 1px 0 #fff,0 2px 5px #70add415;padding:8px 10px;gap:9px}
.app .layer-toggle:hover{background:linear-gradient(135deg,#fff,#e6f4ff);border-color:#80c8f7;transform:translateY(-1px)}
.app .layer-toggle.active{background:linear-gradient(135deg,#fcfeff,#e9f7ff);border-color:#acd9fa}
.app .layer-icon{width:41px;min-width:41px;height:41px;border-radius:10px;background:linear-gradient(140deg,#e3f6ff,#cbf1f1);display:grid;place-items:center}
.app .layer-icon.reach-icon{background:linear-gradient(140deg,#f8e7ff,#dff7ed 55%,#fff0dc)}
.app .layer-icon svg{width:35px;height:35px;display:block}
.app .layer-name{font-size:16px;letter-spacing:.01em;font-weight:900;white-space:nowrap;min-width:0}
.app .layer-name small{font-size:9px;color:#7492bd;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:6px}
.app .switch{width:38px;min-width:38px;height:23px;background:#c4d2df;box-shadow:inset 0 1px 2px #47719521}
.app .switch:after{width:17px;height:17px;top:3px;left:3px}
.app .active .switch{background:linear-gradient(90deg,#228ef4,#0067ed)}
.app .active .switch:after{transform:translateX(15px)}

.app .map-section{background:linear-gradient(180deg,#ffffffc2 0%,#ffffff8b 100%);border-radius:17px;box-shadow:inset 0 0 0 1px #bbdef5,0 3px 14px #3d97cb1a}
.app .map-topline{color:#113d8b}
.app .map-kicker{color:#1886dc;font-size:13px;letter-spacing:.02em;font-weight:800}
.app .map-topline h2{font:800 29px "Songti SC","STSong","SimSun",serif;color:#0b3179;line-height:1.05;margin:1px 0;text-shadow:0 1px 0 #fff}
.app .flow-status{color:#4383c2;font-size:12px;font-weight:700}
.app .flow-indicator{width:23px;height:23px;vertical-align:middle;display:inline-grid;place-items:center;background:#d8f0ff;box-shadow:none;margin-right:5px;color:#178cfa}
.app .flow-indicator::after{content:"➜";font:900 15px Arial,sans-serif;line-height:1}
.app .map-caption{color:#5c88ba;font-size:10px}

.app .footer-nav{background:linear-gradient(180deg,#e8f7ff 0%,#cdeafc 100%);border-top-color:#d6eefc;color:#0b377d;box-shadow:0 -3px 14px #4aade827;padding:10px 17px;gap:11px}
.app .nav-context{width:160px;min-width:160px;display:flex;align-items:center;gap:11px;color:#1b579c;letter-spacing:0;font-size:12px;line-height:1.1}
.app .nav-context svg{width:38px;height:38px;min-width:38px;filter:drop-shadow(0 2px 2px #1c7cc94a)}
.app .nav-context span{font:800 19px Georgia,serif;color:#0d347e;margin-top:3px}
.app .nav-item{height:52px;min-width:0;display:flex;gap:10px;justify-content:flex-start;padding:0 13px;border-radius:14px;background:linear-gradient(125deg,#fcfeff 0%,#e7f3ff 100%);border:1px solid #b9d9fa;color:#456fa7;box-shadow:0 3px 10px #4e9ed22d,inset 0 1px 0 #fff;font-size:13px}
.app .nav-item.selected{background:linear-gradient(110deg,#41ccff 0%,#148ef9 61%,#38a4ff 100%);border:1px solid #23aaff;color:#fff;box-shadow:0 4px 11px #108be77a,inset 0 1px 0 #ccf4ff}
.app .nav-item.upcoming{background:linear-gradient(125deg,#fafdff,#e6f2ff);border-color:#c5def7;color:#4a72a9;cursor:not-allowed}
.app .nav-illustration{width:59px;height:43px;min-width:59px;object-fit:contain;opacity:.95}
.app .nav-item.upcoming .nav-illustration{opacity:.7}
.app .nav-index{font:800 27px Georgia,serif;color:inherit;white-space:nowrap}
.app .nav-title{font-size:15px;font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.app .nav-item.selected .nav-title{font-size:19px}
.app .nav-item small{font-size:9px;color:#7898c4;white-space:nowrap;margin-left:auto}
.app .nav-arrow{margin-left:auto;width:31px;height:31px;min-width:31px;border-radius:50%;background:#d6e6fb;color:#628bc0;font:800 27px/28px Arial,sans-serif;text-align:center}
.app .nav-item.selected .nav-arrow{background:#fff;color:#0874e8;box-shadow:0 2px 5px #086bc36b}

@media(max-width:1360px){.app .header-slogan{font-size:12px;letter-spacing:0}.app .heading h1{font-size:31px}.app .brand-mark{width:65px;min-width:65px}.app .page-pill{font-size:11px;padding:8px 10px}.app .nav-illustration{width:42px;min-width:42px}.app .nav-title{font-size:12px}.app .nav-item.selected .nav-title{font-size:15px}.app .nav-index{font-size:23px}}
@media(max-width:1050px){.app .header-slogan{display:none}.app .page-pill{margin-left:auto}.app .layer-icon{width:37px;min-width:37px;height:37px}.app .layer-icon svg{width:30px;height:30px}.app .layer-name{font-size:13px}.app .layer-name small{font-size:9px}.app .nav-context{width:100px;min-width:100px}.app .nav-context svg{display:none}.app .nav-illustration{display:none}.app .nav-item{gap:6px;padding:0 8px}.app .nav-arrow{width:23px;min-width:23px;height:23px;font-size:20px;line-height:20px}}
@media(max-width:800px){.app .topbar{padding:8px 12px}.app .brand-mark{width:46px;height:43px;min-width:46px}.app .heading h1{font-size:23px}.app .eyebrow{font-size:8px}.app .page-pill{margin-left:0}.app .sidebar{padding:14px 10px}.app .layer-toggle{min-height:58px}.app .layer-icon{display:grid}.app .layer-name small{font-size:8px}.app .footer-nav{padding:7px}.app .nav-context{display:none}.app .nav-item{height:50px}.app .nav-item small,.app .nav-arrow{display:none}}
@media(max-width:460px){.app .layer-icon{display:none}.app .utility-button{font-size:11px;padding:0 9px}.app .utility-button svg{display:none}.app .page-pill{font-size:9px}.app .map-topline h2{font-size:21px}.app .map-kicker{font-size:10px}.app .flow-status{font-size:9px}.app .flow-indicator{width:17px;height:17px}.app .flow-indicator::after{font-size:11px}}