:root {
    color-scheme: light;
    --ink: #14213d;
    --muted: #687085;
    --paper: #f5f7fb;
    --card: rgba(255, 255, 255, 0.92);
    --line: #dfe4ee;
    --blue: #3370ff;
    --green: #16a06a;
    --amber: #d68a00;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 12% 8%, rgba(51, 112, 255, .18), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(82, 196, 154, .18), transparent 28%),
        var(--paper);
}

.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0; }
.shell.narrow { width: min(680px, calc(100% - 40px)); }
.hero { display: flex; justify-content: space-between; gap: 32px; align-items: flex-end; margin-bottom: 36px; }
.hero.compact { align-items: center; }
.hero h1, .error-card h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1; margin: 12px 0 18px; letter-spacing: -.04em; }
.hero p, .error-card p { color: var(--muted); font-size: 18px; max-width: 720px; margin: 0; line-height: 1.7; }
.eyebrow { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .18em; }
.status { display: flex; align-items: center; gap: 9px; white-space: nowrap; padding: 12px 16px; border-radius: 999px; background: white; border: 1px solid var(--line); font-weight: 700; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); }
.status-ok .dot { background: var(--green); box-shadow: 0 0 0 5px rgba(22,160,106,.12); }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.card, .event { background: var(--card); border: 1px solid rgba(223,228,238,.9); border-radius: 22px; box-shadow: 0 18px 50px rgba(31,49,86,.07); }
.card { padding: 28px; }
.card h2 { margin: 0 0 22px; font-size: 18px; }
.integration-card { display: flex; flex-direction: column; align-items: flex-start; min-height: 260px; }
.integration-card h2 { margin: 12px 0; font-size: 26px; }
.integration-card p { color: var(--muted); line-height: 1.7; margin: 0 0 28px; flex: 1; }
dl { margin: 0; }
dl div { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
dl div:first-child { border-top: 0; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
.mono { font-family: "SFMono-Regular", Consolas, monospace; font-size: 13px; }
.empty { color: var(--muted); text-align: center; padding: 42px 24px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0; }
.button { display: inline-flex; justify-content: center; align-items: center; padding: 13px 20px; border-radius: 12px; text-decoration: none; font-weight: 750; transition: transform .15s ease, box-shadow .15s ease; }
.button:hover { transform: translateY(-1px); }
.primary { color: white; background: var(--blue); box-shadow: 0 10px 24px rgba(51,112,255,.25); }
.secondary { color: var(--ink); background: white; border: 1px solid var(--line); }
.notice { margin: -10px 0 24px; padding: 15px 18px; border: 1px solid rgba(22,160,106,.25); background: rgba(22,160,106,.08); color: #08754b; border-radius: 14px; }
.event-list { display: grid; gap: 14px; }
.event { display: grid; grid-template-columns: 240px 1fr; overflow: hidden; }
.event-time { padding: 24px; background: rgba(51,112,255,.06); display: flex; flex-direction: column; gap: 7px; }
.event-time span { color: var(--muted); font-size: 14px; }
.event-main { padding: 24px; }
.event-main p { color: var(--muted); line-height: 1.6; margin-bottom: 0; white-space: pre-wrap; }
.event-heading { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.event-heading h2 { margin: 0; font-size: 20px; }
.pill { color: var(--green); background: rgba(22,160,106,.1); border-radius: 999px; padding: 5px 9px; font-size: 12px; }
.error-card { margin-top: 12vh; }
.error-card .button { margin-top: 28px; }
footer { color: var(--muted); font-size: 13px; }
.login-shell { display: grid; min-height: 100vh; align-items: center; padding: 40px 0; }
.login-card { padding: 38px; }
.login-card h1 { margin: 12px 0; font-size: 38px; }
.login-card > p { color: var(--muted); line-height: 1.7; }
.login-form { display: grid; gap: 18px; margin-top: 28px; }
.login-form label { display: grid; gap: 8px; color: var(--muted); font-weight: 700; }
.login-form input { width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: white; color: var(--ink); font: inherit; }
.login-form input:focus { outline: 2px solid rgba(51,112,255,.2); border-color: var(--blue); }
.login-form .button { border: 0; cursor: pointer; font: inherit; }
.error-notice { margin: 22px 0 0; border-color: rgba(190,45,45,.22); background: rgba(190,45,45,.07); color: #a32626; }

/* 企业微信写操作表单与应用邮件页面样式，由 AI.Coding 于 2026-08-06 增加。 */
.stack-form { display: grid; gap: 14px; }
.stack-form label { display: grid; gap: 7px; color: var(--muted); font-weight: 700; }
.stack-form input, .stack-form textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; background: white; color: var(--ink); font: inherit; }
.stack-form textarea { min-height: 120px; resize: vertical; }
.stack-form input:focus, .stack-form textarea:focus { outline: 2px solid rgba(51,112,255,.2); border-color: var(--blue); }
.stack-form .button { border: 0; cursor: pointer; font: inherit; }
.field-error { color: #a32626; font-size: 13px; }
.section-gap { margin-top: 24px; }
.shared-resource-notice { margin-top: 20px; }
.shared-resource-notice p, .muted-copy, .mail-item p { color: var(--muted); line-height: 1.65; }
.mail-layout { align-items: start; }
.mail-list { display: grid; gap: 14px; }
.mail-item { display: block; color: inherit; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
.mail-item:hover { transform: translateY(-2px); box-shadow: 0 22px 54px rgba(31,49,86,.11); }
.mail-item h2 { margin: 0; }
.mail-item p { margin: 12px 0 0; }
.mail-meta { font-size: 14px; }
.mail-content { margin: 24px 0 0; padding: 22px; overflow-wrap: anywhere; white-space: pre-wrap; border-radius: 14px; background: rgba(51,112,255,.05); border: 1px solid var(--line); font-family: inherit; line-height: 1.7; }

@media (max-width: 760px) {
    .shell { padding: 36px 0; }
    .hero { align-items: flex-start; flex-direction: column; }
    .grid { grid-template-columns: 1fr; }
    .event { grid-template-columns: 1fr; }
    .actions { flex-direction: column; }
    dl div { grid-template-columns: 1fr; gap: 5px; }
}