:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  color: #f5f7fa;
  background: #161a1f;
  --accent: #f7f9fb;
  --muted: #c4cbd2;
  --line: rgba(255,255,255,.24);
  --shadow: rgba(0,0,0,.34);
}
*{box-sizing:border-box}
body{margin:0;min-height:100vh}
button,input,textarea,select{font:inherit}
a{color:var(--accent)}
:focus-visible{outline:2px solid #fff;outline-offset:4px}
.hidden{display:none!important}
.aurora-page{background:linear-gradient(115deg,rgba(8,11,14,.16),rgba(23,28,33,.08) 52%,rgba(8,11,14,.14)),var(--portal-background,url('/portal-background.jpg')) center/cover fixed no-repeat}
.aurora-shell{position:relative;isolation:isolate;min-height:100vh;padding:44px max(28px,calc((100% - 1160px)/2)) 58px}
.aurora-shell::before,.aurora-shell::after{display:none}
.portal-layout{min-height:calc(100vh - 102px)}
.portal-actions{position:fixed;z-index:4;left:50%;bottom:max(24px,env(safe-area-inset-bottom));transform:translateX(-50%);}
.portal-grid{display:flex;gap:12px}
.portal-button{display:flex;align-items:center;justify-content:center;gap:8px;min-width:116px;padding:11px 17px;border-radius:15px;border:1px solid rgba(255,255,255,.44);background:rgba(20,24,28,.17);color:#fff;text-decoration:none;text-align:center;transition:transform .18s,border-color .18s,background .18s,box-shadow .18s;backdrop-filter:blur(12px) saturate(115%);-webkit-backdrop-filter:blur(12px) saturate(115%);box-shadow:inset 0 1px 0 rgba(255,255,255,.26),0 8px 24px rgba(0,0,0,.16)}
.portal-button:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.72);background:rgba(255,255,255,.15);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 22px 50px rgba(0,0,0,.38)}
.portal-button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.portal-button strong{font-size:14px;font-weight:500;letter-spacing:1px}
.portal-button[aria-disabled=true]{opacity:.65}
.portal-notice{position:fixed;z-index:3;left:22vw;top:40vh;width:fit-content;max-width:min(38vw,760px);min-height:0;display:flex;align-items:flex-start;gap:12px;padding:14px 18px;border-radius:18px;background:rgba(20,24,28,.20);color:#fff;border:1px solid rgba(255,255,255,.42);font-size:14px;line-height:1.75;backdrop-filter:blur(16px) saturate(115%);-webkit-backdrop-filter:blur(16px) saturate(115%);box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 12px 36px rgba(0,0,0,.16)}
.portal-notice[data-shape="square"]{width:min(30vw,360px);aspect-ratio:1;align-items:center;justify-content:center}
.portal-notice[data-shape="rectangle"]{width:min(38vw,760px)}
.notice-label{color:#fff;flex-shrink:0;font-weight:600}
#customer-notice{white-space:pre-wrap;overflow-wrap:anywhere;min-width:0}
.notice-position-preview{position:relative;width:100%;height:260px;overflow:hidden;border:1px solid rgba(255,255,255,.28);border-radius:14px;background:linear-gradient(115deg,rgba(8,11,14,.16),rgba(23,28,33,.08) 52%,rgba(8,11,14,.14)),url('/background-image') center/cover no-repeat}
.notice-preview-card{position:absolute;left:0;top:0;width:fit-content;max-width:65%;display:flex;align-items:flex-start;gap:8px;padding:10px 12px;border:1px solid rgba(255,255,255,.42);border-radius:14px;background:rgba(20,24,28,.2);color:#fff;font-size:12px;line-height:1.6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);cursor:grab;touch-action:none;user-select:none;white-space:pre-wrap;overflow-wrap:anywhere}
.notice-preview-card[data-shape="square"]{width:min(48%,170px);aspect-ratio:1;align-items:center;justify-content:center}
.notice-preview-card[data-shape="rectangle"]{width:76%;max-width:76%}
.notice-preview-card:active{cursor:grabbing}
.notice-preview-card .notice-label{font-size:12px}
.portal-footer{margin-top:40px;color:#d0d5da;text-align:center;font-size:12px;letter-spacing:3px;line-height:1.8}
.page-shell,.admin-shell{min-height:100vh;display:grid;place-items:center;padding:32px 24px}
.card{width:min(100%,480px);padding:38px;border:1px solid rgba(255,255,255,.28);border-radius:24px;background:rgba(18,22,26,.42);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 24px 80px var(--shadow);backdrop-filter:blur(24px) saturate(115%);-webkit-backdrop-filter:blur(24px) saturate(115%)}
.public-card{text-align:center}
h1{margin:8px 0 12px;font-size:28px;font-weight:500}
h2{font-size:20px;font-weight:500;margin:0}
.subtitle,.footnote{color:var(--muted)}
.subtitle{margin:0 0 28px;line-height:1.8}
.footnote{margin:24px 0 0;font-size:13px;white-space:pre-line;line-height:1.8;text-align:center;overflow-wrap:anywhere}
form{text-align:left}
label{display:block;margin:16px 0 8px;font-size:14px;font-weight:500}
input,textarea,select{width:100%;padding:14px 15px;border:1px solid rgba(255,255,255,.24);border-radius:12px;background:rgba(4,7,9,.28);color:#f5f7fa;font-size:16px}
input{min-height:52px}
input::placeholder,textarea::placeholder{color:#aeb6bd}
textarea{resize:vertical;line-height:1.7}
button{width:100%;min-height:52px;margin-top:24px;border:1px solid rgba(255,255,255,.34);border-radius:12px;padding:12px 18px;background:rgba(255,255,255,.16);color:#fff;font-weight:500;cursor:pointer;transition:opacity .18s,background .18s,border-color .18s}
button:hover{opacity:.92;background:rgba(255,255,255,.24);border-color:rgba(255,255,255,.58)}
button:disabled{cursor:wait;opacity:.5}
button.secondary{background:rgba(255,255,255,.08);color:#eef1f4}
button.danger{background:rgba(190,78,78,.34);color:#ffe8e8;border-color:rgba(255,180,180,.32)}
button.compact{width:auto;min-height:44px;margin:0;padding:10px 18px;flex-shrink:0}
.result,.record{margin-top:20px;padding:14px 16px;border-radius:12px;white-space:pre-wrap;overflow-wrap:anywhere;text-align:left;font-size:14px;line-height:1.8}
.result.info{color:#edf1f4;background:rgba(255,255,255,.1)}
.result.success{color:#d8f6e6;background:rgba(45,128,86,.3)}
.result.warning{color:#ffe8b0;background:rgba(137,101,29,.32)}
.result.error{color:#ffd7df;background:rgba(137,48,68,.32)}
.record{color:#e1e6ea;background:rgba(4,7,9,.24)}
.record-details{display:grid;grid-template-columns:90px minmax(0,1fr);gap:12px 16px;margin:0}
.record-details dt{color:var(--muted)}
.record-details dd{margin:0;overflow-wrap:anywhere;white-space:pre-wrap}
@media(max-width:420px){.record-details{grid-template-columns:minmax(0,1fr);gap:4px}.record-details dd{margin-bottom:12px}}
.admin-shell{place-items:start center}
.admin-login{margin-top:8vh}
.admin-panel{width:min(100%,960px);margin:18px 0}
.admin-header,.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px}
.eyebrow{color:#f5f7fa;font-size:11px;letter-spacing:3px}
#mfa-qr{display:block;max-width:100%;height:auto;margin:20px auto;background:#fff;border-radius:8px}
#mfa-recovery-codes{font-family:ui-monospace,monospace;font-size:12px;white-space:pre}
#mfa-secret{font-family:ui-monospace,monospace;font-size:13px}
#mfa-method{width:100%;min-height:50px;padding:10px}
.trusted-device{padding:16px 0;border-bottom:1px solid var(--line)}
.trusted-device h3{font-size:16px}
.trusted-device p{white-space:pre-line}
.content-management{margin-top:30px}
.management-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.management-button{background:rgba(255,255,255,.09);color:#f3f6f8;text-align:left;margin:0;border:1px solid var(--line);padding:20px}
.management-button strong{display:block;font-size:18px;font-weight:500;margin-bottom:8px;color:#fff}
.management-button span{color:var(--muted);font-size:12px}
.mode-row{display:flex;flex-wrap:wrap;gap:12px 24px;margin:24px 0 8px}
.mode-row label{display:flex;align-items:center;gap:8px;margin:0;min-height:44px}
.mode-row input{width:18px;min-height:18px;accent-color:#fff}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.divider{height:1px;margin:30px 0 24px;background:var(--line)}
.settings-help{margin:10px 0 18px;color:var(--muted);font-size:13px;line-height:1.8;overflow-wrap:anywhere}
.back-link{display:block;margin-bottom:22px;min-height:32px;text-align:left;text-decoration:none}
.editor-dialog{width:min(640px,calc(100% - 32px));max-height:calc(100dvh - 48px);padding:28px;background:rgba(18,22,26,.72);color:#f5f7fa;border:1px solid rgba(255,255,255,.3);border-radius:22px;box-shadow:0 30px 100px rgba(0,0,0,.56);backdrop-filter:blur(28px) saturate(115%);-webkit-backdrop-filter:blur(28px) saturate(115%)}
.editor-dialog::backdrop{background:rgba(5,7,9,.68)}
.editor-dialog textarea{max-height:44dvh}
.key-shop-dialog{width:min(940px,calc(100% - 32px))}
.key-group{margin-top:24px}
.key-group h3{font-size:16px;overflow-wrap:anywhere;font-weight:500}
.key-group textarea{font-family:ui-monospace,monospace;font-size:14px}
.key-group button{margin-top:10px}
input[type=file]{padding:12px;font-size:14px}
input[type=file]::file-selector-button{border:1px solid rgba(255,255,255,.3);border-radius:6px;padding:8px 10px;margin-right:12px;background:rgba(255,255,255,.14);color:#eef1f4;cursor:pointer}
@media(max-width:640px){.aurora-shell{padding:20px 14px 32px}.portal-notice{max-width:84vw;padding:12px 14px;gap:10px;font-size:13px}.portal-notice[data-shape="square"]{width:min(64vw,300px)}.portal-notice[data-shape="rectangle"]{width:84vw}.portal-actions{bottom:max(18px,env(safe-area-inset-bottom))}.portal-grid{gap:9px}.portal-button{min-width:102px;padding:10px 13px;border-radius:13px}.portal-footer{font-size:10px;letter-spacing:2px}.card{padding:28px 20px;border-radius:20px}.page-shell,.admin-shell{padding:20px 16px}.admin-header{align-items:flex-start;gap:12px}.management-grid{grid-template-columns:1fr}.management-button{padding:16px}.management-button strong{margin-bottom:5px}.editor-dialog{padding:22px 18px}.notice-position-preview{height:220px}.notice-preview-card[data-shape="square"]{width:min(52%,160px)}.notice-preview-card[data-shape="rectangle"]{width:82%;max-width:82%}.community-content{padding:18px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important}.portal-button:hover{transform:none}}


/* Three public service entries and editable plain-text support content. */
.portal-actions { width: min(560px, calc(100vw - 32px)); }
.portal-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.portal-button { min-width: 0; }
.help-card { max-width: 860px; margin: 0 auto; }
.help-body { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.8; margin: 24px 0; text-align: left; }
.help-telegram { display: inline-block; margin-top: 16px; }
#agent-list { display: grid; gap: 16px; margin-top: 24px; }
.agent-account { border: 1px solid rgba(255,255,255,.15); padding: 16px; border-radius: 12px; }
.agent-account h3 { margin: 0 0 8px; overflow-wrap: anywhere; }
.agent-account .actions { display: flex; flex-wrap: wrap; gap: 8px; }
.agent-account input { margin: 12px 0 8px; }
@media (max-width: 600px) { .portal-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .portal-button strong { font-size: 12px; } }