:root {
    --ink: #1a2b42;
    --muted: #5c6d84;
    --line: #e3eaf3;
    --paper: #f3f7fc;
    --card: #ffffff;
    --blue: #1a73c7;
    --blue-dark: #0d3b73;
    --blue-soft: #2f8fe0;
    --danger: #c4473d;
    --shadow: 0 18px 40px rgba(13, 59, 115, 0.08);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(47, 143, 224, 0.18), transparent 28%),
        linear-gradient(180deg, #e7f1fb 0%, var(--paper) 32%, #ffffff 100%);
    min-height: 100vh;
}
a { color: var(--blue); }
code { font-family: Consolas, monospace; background: #eef4fb; padding: 0 4px; }

.page { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 36px 0 64px; }
.page.narrow { width: min(560px, calc(100% - 32px)); }

.hero { padding: 12px 4px 22px; }
.hero.compact { padding-bottom: 12px; }
.eyebrow {
    margin: 0 0 8px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--blue);
    font-size: 13px;
}
h1 { margin: 0; font-size: 40px; line-height: 1.2; color: var(--blue-dark); }
.lead { color: var(--muted); font-size: 16px; line-height: 1.7; max-width: 680px; }
.status-row { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; color: var(--muted); font-size: 14px; }

.card {
    background: var(--card);
    border: 1px solid rgba(255,255,255,0.7);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 28px;
}
.notice-card h2 { margin: 8px 0 10px; }
.notice-kicker { margin: 0; color: var(--blue); letter-spacing: 0.08em; }
.time-box { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 18px 0 0; }
.time-box div { background: #f4f8fd; border-radius: 12px; padding: 12px 14px; }
.time-box dt { color: var(--muted); font-size: 13px; }
.time-box dd { margin: 4px 0 0; font-weight: 700; }

.form-card label, fieldset { display: block; }
fieldset {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 22px 0 0;
    padding: 18px 0 0;
}
fieldset.identity { border-top: 0; margin-top: 0; padding-top: 0; }
legend { padding: 0; font-weight: 700; font-size: 18px; }
legend span {
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    margin-right: 8px;
    border-radius: 50%;
    background: var(--blue-dark);
    color: #fff;
    font-size: 13px;
}
.field-help { margin: 8px 0 10px; color: var(--muted); font-size: 14px; }
label { margin: 12px 0; font-weight: 700; }
input, textarea {
    display: block;
    width: 100%;
    margin-top: 8px;
    padding: 12px 14px;
    border: 1px solid #d5e3f2;
    border-radius: 12px;
    font: inherit;
    background: #fbfdff;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus { outline: 2px solid rgba(26, 115, 199, 0.25); border-color: var(--blue); }
.optional-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border: 0;
    border-radius: 999px;
    background: var(--blue);
    color: #fff;
    text-decoration: none;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}
.btn-ghost { background: #fff; color: var(--blue-dark); border: 1px solid #c5d7ea; }
.btn-danger { background: var(--danger); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.hint { color: var(--muted); }

.alert { border-radius: 12px; padding: 12px 14px; margin-bottom: 14px; }
.alert-error { background: #fdeceb; color: #8d2d26; }
.alert-ok { background: #e8f3fc; color: #0d4f8b; }

.pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 10px; font-size: 13px; font-weight: 700; }
.pill-open { background: #e7f3fc; color: #0d5eaa; }
.pill-before, .pill-unconfigured { background: #eef3f9; color: #3d5678; }
.pill-after { background: #f8eceb; color: #a33b32; }

.admin-body { background: #f3f7fc; }
.topbar {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 22px;
    background: var(--blue-dark);
    color: #fff;
}
.topbar-brand { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.topbar-brand strong, .topbar-brand small { display: block; }
.topbar-brand small { opacity: 0.75; }
.mark {
    width: 36px; height: 36px; display: grid; place-items: center;
    border-radius: 10px; background: #fff; color: var(--blue-dark); font-weight: 800;
}
.topnav { display: flex; gap: 8px; flex: 1; flex-wrap: wrap; }
.topnav a, .topbar-user a { color: #fff; text-decoration: none; padding: 8px 10px; border-radius: 999px; }
.topnav a.active, .topnav a:hover, .topbar-user a:hover { background: rgba(255,255,255,0.12); }
.topbar-user { display: flex; align-items: center; gap: 8px; }
.admin-main { width: min(1100px, calc(100% - 32px)); margin: 24px auto 48px; }

.stat-grid { display: grid; grid-template-columns: 1.1fr 1.6fr 0.7fr; gap: 12px; margin-bottom: 16px; }
.stat { background: #fff; border-radius: 16px; padding: 16px 18px; box-shadow: var(--shadow); }
.stat span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.toolbar { display: flex; gap: 8px; margin-bottom: 14px; }
.toolbar input { margin: 0; }
.table-card { padding: 0; overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); background: #f5f9fd; }
.empty { text-align: center; color: var(--muted); }
.row-actions { white-space: nowrap; }
.pager { display: flex; gap: 6px; margin-top: 14px; flex-wrap: wrap; }
.pager a { text-decoration: none; min-width: 34px; text-align: center; padding: 6px 8px; border-radius: 8px; background: #fff; }
.pager a.active { background: var(--blue-dark); color: #fff; }
.detail section { border-top: 1px solid var(--line); padding-top: 12px; }
.detail h3 { margin-bottom: 6px; }
.detail p { white-space: pre-wrap; line-height: 1.7; }
.detail-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.back-link { margin-top: 0; }
.narrow-form { max-width: 520px; }

@media (max-width: 800px) {
    h1 { font-size: 32px; }
    .optional-grid, .time-box, .stat-grid { grid-template-columns: 1fr; }
    .topbar { flex-wrap: wrap; }
    .detail-head { flex-direction: column; }
}

.front {
    background:
        linear-gradient(180deg, #f7fbff 0%, #eef4fb 100%);
}
.banner {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        linear-gradient(115deg, rgba(255,255,255,0.08) 0 12%, transparent 12% 100%),
        linear-gradient(180deg, #0b3266 0%, #1667be 72%, #3c93df 100%);
    padding: 54px 0 92px;
}
.banner::before,
.banner::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(255,255,255,0.22);
    pointer-events: none;
}
.banner::before {
    inset: 16px 22px;
    border-radius: 18px;
}
.banner::after {
    width: 240px;
    height: 240px;
    right: 7%;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 50%;
    box-shadow: inset 0 0 0 46px rgba(255,255,255,0.04);
}
.banner-inner {
    position: relative;
    z-index: 1;
    width: min(980px, calc(100% - 40px));
    margin: 0 auto;
}
.banner-kicker {
    margin: 0 0 10px;
    letter-spacing: 0.28em;
    font-size: 13px;
    color: rgba(255,255,255,0.82);
}
.banner h1 {
    margin: 0;
    color: #fff;
    font-size: 46px;
    letter-spacing: 0.04em;
    font-family: "STZhongsong", "SimSun", "Songti SC", serif;
}
.banner-lead {
    max-width: 640px;
    margin: 14px 0 0;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
}
.banner-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
    margin-top: 22px;
    font-size: 14px;
    color: rgba(255,255,255,0.92);
}
.banner .pill { background: #fff; color: var(--blue-dark); }
.meta-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255,255,255,0.7);
}
.front-main {
    width: min(980px, calc(100% - 32px));
    margin: -48px auto 0;
    position: relative;
    z-index: 2;
    padding-bottom: 28px;
}
.topic-rail {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin: 0 0 16px;
    padding: 0;
    list-style: none;
}
.topic-rail li {
    background: #fff;
    border-radius: 14px;
    padding: 12px 14px;
    box-shadow: var(--shadow);
    color: var(--blue-dark);
    font-weight: 700;
    font-size: 14px;
}
.topic-rail span {
    display: block;
    margin-bottom: 4px;
    color: var(--blue);
    font-size: 12px;
    letter-spacing: 0.08em;
}
.panel, .block {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow);
}
.panel { padding: 32px; }
.panel h2, .block h2 { margin: 0 0 8px; color: var(--blue-dark); font-size: 22px; }
.panel-kicker { margin: 0 0 8px; color: var(--blue); letter-spacing: 0.12em; font-size: 13px; }
.panel-text { line-height: 1.8; color: var(--muted); }
.panel-center { text-align: center; }
.panel-center .btn { margin-top: 8px; }
.success-mark {
    width: 64px;
    height: 64px;
    margin: 0 auto 12px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #e7f3fc;
    color: var(--blue);
    font-size: 30px;
    font-weight: 700;
}
.block {
    display: grid;
    grid-template-columns: 84px 1fr;
    gap: 8px;
    margin-bottom: 14px;
    padding: 22px 24px 24px;
    border: 1px solid #e7eef7;
}
.block-no {
    font-family: "STZhongsong", "SimSun", serif;
    font-size: 28px;
    color: var(--blue);
    line-height: 1;
    padding-top: 4px;
}
.block-identity {
    background:
        linear-gradient(90deg, #f3f8fd 0 84px, #fff 84px);
}
.front .field-help { margin-top: 0; }
.pair, .usage-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.usage-grid label, .pair label {
    margin: 0;
    padding: 14px;
    border-radius: 14px;
    background: #f7fbff;
    border: 1px solid #e4eef8;
}
.front textarea { min-height: 120px; background: #fff; }
.usage-grid textarea { min-height: 108px; background: #fff; }
.front input, .front textarea { transition: border-color .15s, box-shadow .15s; }
.front input:focus, .front textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(26, 115, 199, 0.12);
}
.submit-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 6px;
    padding: 16px 18px;
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--shadow);
}
.submit-bar p { margin: 0; color: var(--muted); font-size: 14px; }
.submit-bar .btn { min-width: 148px; padding: 0 28px; box-shadow: 0 8px 18px rgba(26, 115, 199, 0.28); }
.front-foot {
    text-align: center;
    color: #8aa0b8;
    font-size: 13px;
    padding: 8px 16px 28px;
}
.topic-rail { grid-template-columns: 1fr 1fr; }
.vote-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.vote-card {
    position: relative;
    display: block;
    margin: 0;
    padding: 14px 14px 16px;
    border-radius: 16px;
    border: 1px solid #d7e6f5;
    background: #f8fbff;
    cursor: pointer;
}
.vote-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.vote-card:has(input:checked) {
    border-color: var(--blue);
    background: #e8f3fd;
    box-shadow: inset 0 0 0 1px var(--blue);
}
.vote-name { display: block; font-size: 16px; color: var(--blue-dark); }
.vote-count {
    display: block;
    margin: 8px 0 8px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
}
.vote-bar {
    display: block;
    height: 6px;
    border-radius: 999px;
    background: #e1ebf5;
    overflow: hidden;
}
.vote-bar i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, #1a73c7, #49a4ef);
    transition: width .35s ease;
}
.vote-total { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.vote-block { margin-top: 14px; }

@media (max-width: 800px) {
    .banner { padding: 36px 0 78px; }
    .banner::after { width: 140px; height: 140px; right: -30px; }
    .banner h1 { font-size: 34px; }
    .topic-rail { grid-template-columns: 1fr 1fr; }
    .topic-rail li:last-child { grid-column: auto; }
    .block, .block-identity { grid-template-columns: 1fr; background: #fff; }
    .block-no { font-size: 20px; }
    .pair, .usage-grid, .vote-grid { grid-template-columns: 1fr 1fr; }
    .submit-bar { flex-direction: column; align-items: stretch; }
}