/* ============================================================
   登录页 · 极简居中（方案 D）+ 字母 D 主视觉
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
    width: 100%; height: 100%;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    color: #1f2430;
    overflow: hidden;
    background: #e9eff8;
}

.lg-bg {
    position: fixed; inset: 0;
    background:
        radial-gradient(1000px 620px at 50% 30%, color-mix(in srgb, var(--primary-light) 18%, transparent), transparent 62%),
        radial-gradient(900px 620px at 88% 92%, color-mix(in srgb, var(--primary-lighter) 14%, transparent), transparent 60%),
        linear-gradient(180deg, var(--bg-tint-2) 0%, #e6eef9 100%);
}
.lg-bg::after {
    content: ""; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(47, 95, 168, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47, 95, 168, .045) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(760px 480px at 50% 45%, #000 20%, transparent 78%);
    -webkit-mask-image: radial-gradient(760px 480px at 50% 45%, #000 20%, transparent 78%);
}

/* ---------- 版心：居中单列 ---------- */
.lg-wrap {
    position: relative; z-index: 1;
    height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center;
    max-width: 460px;
    margin: 0 auto;
    padding: 48px 28px;
    overflow: auto;
    transform: translateY(-72px);
}

.lg-name {
    font-size: 34px; font-weight: 800; letter-spacing: 4px;
    color: #1c355f; line-height: 1.2;
}

.lg-slogan { margin-top: 18px; }
.lg-slogan p {
    font-size: 16px; font-weight: 600; letter-spacing: 1px;
    color: #5a6b85; line-height: 1.6; margin: 0;
}
.lg-slogan .lg-slogan-sub {
    margin-top: 72px; font-size: 14px; font-weight: 400;
    color: #93a2b8; letter-spacing: .6px;
}

.lg-error {
    width: 100%; margin: 18px 0 4px; padding: 10px 14px; text-align: left;
    font-size: 14px; color: #b03535;
    background: #fdf1f0; border-left: 3px solid #d15656; border-radius: 8px;
}

/* ---------- 表单 ---------- */
.lg-form { width: 100%; margin-top: 40px; }

.lg-field { display: block; position: relative; margin-bottom: 24px; text-align: left; }
.lg-field input {
    width: 100%; height: 48px; padding: 0 4px; font-size: 16px; font-family: inherit; color: #1f2430;
    border: 0; border-bottom: 2px solid #dde6f2; background: transparent; outline: none;
    transition: border-color .15s;
}
.lg-field input:focus { border-bottom-color: var(--primary); }
.lg-field input::placeholder { color: #a9b6c9; }

.lg-eye {
    position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
    width: 20px; height: 20px; cursor: pointer;
    border-radius: 50%; border: 2px solid #b7c4d8;
}
.lg-eye::after {
    content: ""; position: absolute; left: 2px; top: 6px;
    width: 12px; height: 5px; border-radius: 50%; background: #b7c4d8;
}
.lg-eye.on { border-color: var(--primary-deep); }
.lg-eye.on::after { background: var(--primary-deep); }

.lg-remember {
    display: flex; align-items: center; gap: 7px;
    margin: -4px 0 14px; cursor: pointer; text-align: left;
    font-size: 14px; color: #5a6b85; user-select: none;
}
.lg-remember input { width: 15px; height: 15px; accent-color: var(--primary); cursor: pointer; }

/* ---------- 主题色调 ---------- */
.lg-theme { margin: 24px 0 0; }
.lg-theme-dots { display: flex; gap: 12px; justify-content: center; }
.lg-theme-dot {
    width: 30px; height: 30px; border-radius: 50%;
    border: 2px solid #fff; box-shadow: 0 0 0 1px #dde5f0;
    cursor: pointer; padding: 0;
    transition: transform .15s, box-shadow .15s;
}
.lg-theme-dot:hover { transform: scale(1.18); }
.lg-theme-dot.active { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--primary), 0 0 10px var(--primary-lighter); }

.lg-btn {
    width: 100%; height: 50px;
    border: 0; border-radius: 25px; cursor: pointer;
    font-size: 16px; font-weight: 700; font-family: inherit; letter-spacing: 8px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
    box-shadow: 0 8px 22px rgba(47, 95, 168, .30);
    transition: filter .15s, box-shadow .15s;
}
.lg-btn:hover:not(:disabled) { filter: brightness(1.08); box-shadow: 0 10px 26px rgba(47, 95, 168, .38); }
.lg-btn:disabled { opacity: .68; cursor: not-allowed; letter-spacing: 2px; }

/* ---------- 矮屏 ---------- */
@media (max-height: 720px) {
    .lg-form { margin-top: 26px; }
}


/* ==== TYPO-NORM-LH ==== */
/* 统一排版规范：行高 1.6（2026-10-14） */
html, body, #stage, .content { line-height: 1.6; }
.view, .panel, .trk-form, .tbl-wrap, table.dt, .rb-page, .import-wrap,
.res-wrap, .queue, .memo-wrap, .bm-panel, .side-nav { line-height: 1.6; }