/* ===== 桁北商事送达云 公共样式 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #1e3a5f;
    --primary-2: #2c5f8a;
    --primary-3: #3d7db3;
    --accent: #c9a227;
    --bg: #f2f4f8;
    --card: #ffffff;
    --text: #2b3545;
    --muted: #7a8798;
    --border: #e3e8ef;
    --success: #1f9d63;
    --info: #2f6fb0;
    --danger: #d54545;
    --warning: #d98a1f;
    --hover-bg: #fafbfd;
    --input-bg: #ffffff;
    --table-head-bg: #f7f9fc;
    --shadow: 0 1px 3px rgba(20,40,70,.05);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.35);
    --sidebar-bg: #17283c;
    --sidebar-text: #c7d3e0;
    --sidebar-hover: rgba(255,255,255,.06);
    --sidebar-active-bg: rgba(61,125,179,.22);
    --sidebar-active-border: var(--accent);
    --modal-mask-bg: rgba(20,30,45,.55);
    --tag-default-bg: #eef1f5;
    --tag-default-text: #5c6b7d;
    --tag-success-bg: #e3f5ec;
    --tag-success-text: var(--success);
    --tag-info-bg: #e4eef9;
    --tag-info-text: var(--info);
    --tag-danger-bg: #fbe7e7;
    --tag-danger-text: var(--danger);
    --tag-warning-bg: #fdf0dd;
    --tag-warning-text: var(--warning);
    --tag-primary-bg: #e4eef9;
    --tag-primary-text: var(--primary-2);
}

/* 深色模式变量 */
[data-theme="dark"] {
    --primary: #4a90c2;
    --primary-2: #3d7db3;
    --primary-3: #5a9fd1;
    --accent: #d4b03a;
    --bg: #0f1722;
    --card: #1a2533;
    --text: #d4dde8;
    --muted: #7a8ba0;
    --border: #2a3a4f;
    --success: #3db87d;
    --info: #4a90c2;
    --danger: #e06060;
    --warning: #e5a040;
    --hover-bg: #213044;
    --input-bg: #1a2533;
    --table-head-bg: #213044;
    --shadow: 0 1px 3px rgba(0,0,0,.3);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
    --sidebar-bg: #0c1420;
    --sidebar-text: #9ab0c8;
    --sidebar-hover: rgba(255,255,255,.05);
    --sidebar-active-bg: rgba(74,144,194,.25);
    --sidebar-active-border: var(--accent);
    --modal-mask-bg: rgba(0,0,0,.7);
    --tag-default-bg: #2a3a4f;
    --tag-default-text: #8a9cb0;
    --tag-success-bg: rgba(61,184,125,.15);
    --tag-success-text: var(--success);
    --tag-info-bg: rgba(74,144,194,.15);
    --tag-info-text: var(--info);
    --tag-danger-bg: rgba(224,96,96,.15);
    --tag-danger-text: var(--danger);
    --tag-warning-bg: rgba(229,160,64,.15);
    --tag-warning-text: var(--warning);
    --tag-primary-bg: rgba(74,144,194,.15);
    --tag-primary-text: var(--primary);
}

body { font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; transition: background-color .2s, color .2s; }
a { color: var(--primary-2); text-decoration: none; }
a:hover { color: var(--primary-3); }

/* ===== 登录页（卷宗封皮风） ===== */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
    background: var(--paper);
    color: var(--ink);
}
.login-wrap .dossier-mark { right: -7vw; bottom: -9vh; font-size: 58vmin; }
.login-card {
    width: 400px; max-width: 100%;
    background: var(--sheet);
    border: 1px solid var(--hairline);
    box-shadow: 0 1px 2px rgba(34,48,63,.06), 0 26px 52px -26px rgba(34,48,63,.45);
    position: relative; z-index: 2;
    padding: 42px 40px 24px;
    animation: docIn .6s cubic-bezier(.2,.7,.2,1) both;
}
/* 档案袋页签 */
.lc-tab {
    position: absolute; top: -13px; left: 30px;
    padding: 4px 18px 0;
    font-size: 10px; letter-spacing: 2.5px;
    color: var(--ink-soft);
    background: var(--sheet);
    border: 1px solid var(--hairline);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
}
/* 卷宗封皮红色双线内框 */
.login-card::before {
    content: "";
    position: absolute; inset: 8px;
    border: 1px solid var(--seal); opacity: .3;
    pointer-events: none;
}
.login-card::after {
    content: "";
    position: absolute; inset: 12px;
    border: 3px double var(--seal); opacity: .18;
    pointer-events: none;
}
.login-head { text-align: center; }
.lc-eyebrow {
    font-size: 10px; letter-spacing: 3.5px;
    color: var(--seal); margin-bottom: 18px;
}
.lc-brand { display: inline-flex; align-items: center; gap: 10px; }
.lc-title {
    font-family: var(--serif-display);
    font-size: 21px; font-weight: 700; letter-spacing: 2px;
    color: var(--ink);
}
.lc-sys {
    margin-top: 16px; padding-top: 14px;
    border-top: 1px dashed var(--hairline);
    font-family: var(--serif-display);
    font-size: 12.5px; letter-spacing: 1.5px;
    color: var(--ink-soft);
}
.login-body { margin-top: 26px; position: relative; z-index: 1; }
.login-body .form-item { margin-bottom: 18px; }
.login-body label {
    display: block; margin-bottom: 8px;
    color: var(--ink-soft);
    font-size: 11px; letter-spacing: 4px;
}
.login-body .input {
    width: 100%; height: 40px; padding: 0 2px;
    background: transparent;
    border: none; border-bottom: 1px dotted var(--hairline);
    border-radius: 0;
    font-family: var(--serif-display);
    font-size: 15px; color: var(--ink); outline: none;
    transition: border-color .2s;
}
.login-body .input::placeholder { color: var(--ink-soft); opacity: .5; font-size: 13px; letter-spacing: 1px; }
.login-body .input:focus { border-bottom-color: var(--seal); border-bottom-style: solid; }
.btn-login {
    background: var(--navy); color: #f6f4ee;
    font-family: var(--serif-display);
    letter-spacing: 10px; text-indent: 10px;
    border-radius: 3px; font-size: 15px;
}
.btn-login:hover { background: var(--seal); }
.login-tip { margin-top: 16px; text-align: center; font-size: 11.5px; color: var(--ink-soft); }
.login-foot {
    margin-top: 20px; padding-top: 14px;
    border-top: 1px dashed var(--hairline);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    position: relative; z-index: 1;
}
.login-foot .fine { font-size: 9.5px; letter-spacing: 2.5px; color: var(--ink-soft); opacity: .7; }
@keyframes docIn {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}
.btn {
    display: inline-block; border: none; cursor: pointer; font-size: 13.5px;
    border-radius: 4px; padding: 10px 22px; transition: all .2s; letter-spacing: 1px;
}
.btn-primary { background: var(--navy); color: #f6f4ee; }
.btn-primary:hover { background: var(--seal); }
.btn-block { width: 100%; display: block; height: 44px; font-size: 15px; }
.btn-sm { padding: 6px 14px; font-size: 12.5px; }
.btn-info { background: var(--info); color: #fff; }
.btn-info:hover { filter: brightness(.92); background: var(--info); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { filter: brightness(.92); background: var(--success); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(.92); background: var(--danger); }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { filter: brightness(.92); background: var(--warning); }
.btn-gray { background: transparent; color: var(--ink); border: 1px solid var(--hairline); }
.btn-gray:hover { background: var(--paper); border-color: var(--ink-soft); }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.form-error {
    background: var(--tag-danger-bg); color: var(--tag-danger-text); border: 1px solid var(--border);
    padding: 10px 12px; border-radius: 4px; margin-bottom: 14px; font-size: 13px;
}
.step2-info {
    background: var(--paper); border: 1px dashed var(--hairline); border-left: 3px solid var(--navy); color: var(--ink);
    padding: 12px 14px; border-radius: 4px; font-size: 13px; margin-bottom: 16px; line-height: 1.7;
}
.code-row { display: flex; gap: 10px; }
.code-row .input { flex: 1; }
.code-row .btn { height: 42px; white-space: nowrap; }

/* ===== 后台框架（卷宗风） ===== */
.app { display: flex; min-height: 100vh; }
.sidebar {
    width: 232px; background: #1c2836; color: var(--sidebar-text); flex-shrink: 0;
    display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
    z-index: 200; transition: transform .25s ease;
    border-right: 1px solid rgba(255,255,255,.06);
}
[data-theme="dark"] .sidebar { background: #141d29; }
.sidebar-overlay {
    position: fixed; inset: 0; background: var(--modal-mask-bg); z-index: 190;
    display: none; opacity: 0; transition: opacity .25s ease;
}
.sidebar .brand { padding: 22px 20px 18px; border-bottom: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; gap: 11px; }
.sidebar .brand .brand-seal {
    width: 32px; height: 32px; flex: 0 0 auto;
    display: grid; place-items: center;
    background: var(--seal); color: #f6f4ee;
    font-family: var(--serif-display); font-size: 16px; font-weight: 700;
    border-radius: 5px; transform: rotate(-4deg);
    box-shadow: inset 0 0 0 1.5px rgba(246, 244, 238, .4);
}
.sidebar .brand .brand-txt { min-width: 0; }
.sidebar .brand .b1 { color: #f2ede3; font-family: var(--serif-display); font-size: 16px; font-weight: 700; letter-spacing: 1.5px; white-space: nowrap; }
.sidebar .brand .b2 { color: #8d9bb0; font-size: 9px; letter-spacing: 2.5px; margin-top: 3px; }
.sidebar nav { flex: 1; padding: 10px 0; overflow-y: auto; }
.sidebar nav .nav-group { padding: 14px 20px 6px; font-size: 10px; letter-spacing: 3px; color: #5f749a; }
.sidebar nav a {
    display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: var(--sidebar-text);
    font-size: 13.5px; border-left: 3px solid transparent; border-radius: 0; transition: all .15s;
}
.sidebar nav a:hover { background: var(--sidebar-hover); color: #fff; }
.sidebar nav a.active { background: var(--sidebar-active-bg); color: #fff; border-left-color: var(--seal); }
.sidebar nav a .ico { width: 18px; text-align: center; font-size: 14px; opacity: .85; }
.sidebar .sidebar-foot {
    padding: 14px 20px; border-top: 1px solid rgba(255,255,255,.08);
    font-size: 10.5px; letter-spacing: 1px; color: #5f749a; line-height: 1.7;
}
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--paper); position: relative; }
/* 内容区巨字水印（低透明度，不影响阅读） */
.main::before {
    content: "檔";
    position: fixed; right: -4vw; bottom: -6vh;
    font-family: var(--serif-display); font-weight: 700;
    font-size: 46vmin; line-height: 1;
    color: var(--ink); opacity: .035;
    pointer-events: none; user-select: none; z-index: 0;
}
[data-theme="dark"] .main::before { opacity: .04; }
.topbar { background: var(--sheet); border-bottom: 1px solid var(--hairline); padding: 0 26px; height: 60px; display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 1; }
.topbar .topbar-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.topbar .page-title {
    font-family: var(--serif-display);
    font-size: 18px; font-weight: 700; letter-spacing: 2px;
    color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    display: flex; align-items: center; gap: 10px;
}
.topbar .page-title::before {
    content: "";
    width: 7px; height: 7px; flex: 0 0 auto;
    background: var(--seal); transform: rotate(45deg);
}
.menu-btn {
    display: none; background: none; border: 1px solid var(--hairline); border-radius: 6px;
    width: 38px; height: 38px; font-size: 18px; line-height: 1; cursor: pointer; color: var(--ink);
    align-items: center; justify-content: center; flex-shrink: 0; padding: 0;
}
.menu-btn:hover { background: var(--hover-bg); }
.topbar .user-box { display: flex; align-items: center; gap: 12px; }
.topbar .user-box .uname { font-size: 13px; color: var(--ink); }
.topbar .user-box .urole {
    font-size: 11px; letter-spacing: 1.5px; color: var(--ink-soft);
    border: 1px solid var(--hairline); border-radius: 3px; padding: 2px 8px;
}
.content { padding: 24px 26px; flex: 1; position: relative; z-index: 1; }
.content-inner { max-width: 1200px; }
.page-desc { color: var(--ink-soft); font-size: 12.5px; letter-spacing: .5px; margin-top: 5px; }

/* ===== 卡片 / 统计（纸页质感） ===== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card {
    background: var(--sheet); padding: 18px 20px; border: 1px solid var(--hairline); border-radius: 4px;
    box-shadow: 0 1px 2px rgba(34,48,63,.05); position: relative; overflow: hidden;
}
.stat-card::after {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: var(--navy); opacity: .85;
}
.stat-card:nth-child(2n)::after { background: var(--seal); opacity: .55; }
.stat-card .num { font-family: var(--serif-display); font-size: 27px; font-weight: 700; color: var(--ink); margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat-card .lbl { font-size: 12px; letter-spacing: 2px; color: var(--ink-soft); }
.stat-card .sub { font-size: 11.5px; color: var(--ink-soft); }
.stat-card .num small { font-size: 15px; color: var(--ink-soft); font-weight: 400; }
.card { background: var(--sheet); border: 1px solid var(--hairline); border-radius: 4px; margin-bottom: 20px; box-shadow: 0 1px 2px rgba(34,48,63,.05); }
.card .card-head { padding: 15px 22px; border-bottom: 1px solid var(--hairline); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.card .card-head h3 {
    font-family: var(--serif-display); font-size: 15.5px; font-weight: 700;
    letter-spacing: 2px; color: var(--ink);
    display: flex; align-items: center; gap: 9px;
}
.card .card-head h3::before { content: ""; width: 6px; height: 6px; background: var(--seal); transform: rotate(45deg); flex: 0 0 auto; }
.card .card-body { padding: 20px 22px; }
.card .card-body.no-pad { padding: 0; }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--hairline); font-size: 13px; vertical-align: middle; }
.tbl th {
    background: transparent; color: var(--ink-soft); font-weight: 600;
    font-size: 11.5px; letter-spacing: 2px; white-space: nowrap;
    border-bottom: 1px solid var(--ink); border-bottom-width: 2px; opacity: .9;
}
.tbl tbody tr:hover { background: var(--hover-bg); }
.tbl td .sub { color: var(--ink-soft); font-size: 12px; }

/* ===== 徽标 / 标签（章戳感） ===== */
.badge, .tag { display: inline-block; padding: 2px 9px; border-radius: 3px; font-size: 11.5px; line-height: 1.7; letter-spacing: .5px; border: 1px solid transparent; }
.badge-default, .tag-default { background: var(--tag-default-bg); color: var(--tag-default-text); border-color: var(--border); }
.badge-info, .tag-info { background: transparent; color: var(--tag-info-text); border-color: var(--tag-info-text); }
.badge-success, .tag-success { background: transparent; color: var(--tag-success-text); border-color: var(--tag-success-text); }
.badge-warning, .tag-warning { background: transparent; color: var(--tag-warning-text); border-color: var(--tag-warning-text); }
.badge-danger, .tag-danger { background: transparent; color: var(--tag-danger-text); border-color: var(--tag-danger-text); }
.badge-primary, .tag-primary { background: transparent; color: var(--tag-primary-text); border-color: var(--tag-primary-text); }

/* ===== 表单 ===== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.form-item label { display: block; margin-bottom: 6px; color: var(--ink); font-size: 12.5px; font-weight: 600; letter-spacing: 1px; }
.form-item .req { color: var(--seal); margin-left: 2px; }
.input, textarea.input, select.input {
    width: 100%; padding: 9px 12px; border: 1px solid var(--hairline); border-radius: 4px;
    font-size: 14px; outline: none; background: var(--sheet); color: var(--ink); font-family: inherit;
    transition: border-color .2s;
}
textarea.input { min-height: 90px; resize: vertical; }
.input:focus { border-color: var(--seal); box-shadow: 0 0 0 2px rgba(181, 56, 46, .08); }
.input[readonly] { background: var(--hover-bg); color: var(--ink-soft); }
.form-item .hint { font-size: 12px; color: var(--ink-soft); margin-top: 5px; line-height: 1.6; }
.form-actions { margin-top: 22px; display: flex; gap: 10px; }
.upload-box {
    border: 1px dashed var(--ink-soft); border-radius: 4px; padding: 18px;
    background: var(--paper); text-align: center; color: var(--ink-soft); cursor: pointer;
    transition: all .2s;
}
.upload-box:hover { border-color: var(--seal); color: var(--seal); }
.file-list { margin-top: 10px; }
.file-item { display: flex; align-items: center; justify-content: space-between; background: var(--paper); border: 1px solid var(--hairline); border-radius: 4px; padding: 8px 12px; margin-bottom: 6px; font-size: 13px; }
.file-item .fname { display: flex; align-items: center; gap: 6px; }
.file-item .fname .rm { color: var(--danger); cursor: pointer; margin-left: 8px; }

/* ===== 分页 ===== */
.pagination { display: flex; gap: 6px; padding: 16px 22px; align-items: center; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 5px 11px; border: 1px solid var(--hairline); border-radius: 3px; font-size: 13px; color: var(--ink); background: var(--sheet); }
.pagination a:hover { border-color: var(--seal); color: var(--seal); }
.pagination span.current { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* ===== 筛选条 ===== */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-bar .input { width: auto; min-width: 150px; }
.filter-bar .input.wide { width: 220px; }

/* ===== 提示 ===== */
.alert { padding: 12px 16px; border-radius: 4px; margin-bottom: 16px; font-size: 13px; line-height: 1.7; border-left: 3px solid; }
.alert-success { background: var(--tag-success-bg); color: var(--tag-success-text); border-left-color: var(--success); }
.alert-danger { background: var(--tag-danger-bg); color: var(--tag-danger-text); border-left-color: var(--danger); }
.alert-info { background: var(--tag-info-bg); color: var(--tag-info-text); border-left-color: var(--info); }
.alert-warning { background: var(--tag-warning-bg); color: var(--tag-warning-text); border-left-color: var(--warning); }

/* ===== 详情 ===== */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0; }
.detail-item { padding: 12px 0; border-bottom: 1px dashed var(--hairline); margin-right: 24px; }
.detail-item .k { font-size: 11.5px; letter-spacing: 1.5px; color: var(--ink-soft); margin-bottom: 4px; }
.detail-item .v { font-size: 14px; color: var(--ink); word-break: break-all; }
/* ===== 文书查看页（公文纸风） ===== */
.doc-page {
    min-height: 100vh;
    background: var(--paper);
    color: var(--ink);
    position: relative;
    overflow: hidden;
}
.doc-page .dossier-mark { left: -5vw; bottom: -9vh; font-size: 54vmin; }
.doc-page .doc-header {
    padding: 46px 20px 26px;
    text-align: center;
    position: relative; z-index: 1;
}
.dh-co {
    display: block;
    font-size: 11px; letter-spacing: 3.5px;
    color: var(--ink-soft); margin-bottom: 16px;
}
.doc-page .doc-header .dh-title {
    display: inline-block;
    font-family: var(--serif-display);
    font-size: clamp(28px, 5vw, 38px);
    font-weight: 700;
    letter-spacing: .4em; text-indent: .4em;
    color: var(--ink);
    padding: 0 6px 14px;
    border-bottom: 3px double var(--seal);
}
.doc-page .doc-header .dh-sub { margin-top: 12px; font-size: 10px; letter-spacing: 4px; color: var(--ink-soft); }
.dh-no {
    display: inline-block;
    margin-top: 14px;
    font-size: 11px; letter-spacing: 2px;
    color: var(--seal);
}
.doc-page .doc-body { max-width: 720px; margin: 10px auto 0; padding: 0 16px 60px; position: relative; z-index: 1; }
.doc-panel {
    background: var(--sheet);
    border: 1px solid var(--hairline);
    box-shadow: 0 1px 2px rgba(34,48,63,.06), 0 24px 48px -24px rgba(34,48,63,.35);
    padding: 26px 30px 30px;
    animation: docIn .6s cubic-bezier(.2,.7,.2,1) .1s both;
}
.doc-panel .dp-head {
    padding-bottom: 14px;
    border-bottom: 1px solid var(--hairline);
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    margin-bottom: 18px;
}
.doc-panel .dp-head .dp-title {
    font-family: var(--serif-display);
    font-size: 17px; font-weight: 700; letter-spacing: 1.5px;
    color: var(--ink);
}
.doc-panel .dp-body { padding: 0; }
.doc-panel .dp-notice {
    background: transparent;
    border: 1px dashed var(--hairline);
    border-left: 3px solid var(--seal);
    color: var(--ink-soft);
    border-radius: 0;
    padding: 14px 16px;
    font-size: 13.5px; line-height: 2;
    margin-bottom: 18px;
}
/* 文书清单：清单式条目 */
.doc-list { display: flex; flex-direction: column; }
.doc-row {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 2px;
    border-bottom: 1px dashed var(--hairline);
}
.doc-row:last-child { border-bottom: none; }
.doc-row .doc-ico {
    flex: 0 0 auto;
    width: 34px; height: 34px;
    display: grid; place-items: center;
    font-family: var(--serif-display);
    font-size: 10px; font-weight: 700; letter-spacing: 1px;
    color: var(--navy);
    border: 1px solid var(--hairline);
    border-radius: 3px;
    transform: rotate(-3deg);
}
.doc-row .doc-name {
    flex: 1;
    font-family: var(--serif-display);
    font-size: 14px; font-weight: 600; letter-spacing: .5px;
    color: var(--ink); word-break: break-all;
}
.doc-row .doc-meta { color: var(--ink-soft); font-size: 12px; font-variant-numeric: tabular-nums; }
.doc-row .doc-actions a { margin-left: 0; color: var(--navy); border-bottom: 1px solid transparent; }
.doc-row .doc-actions a:hover { color: var(--seal); border-bottom-color: var(--seal); }
.doc-row .doc-actions a + a { margin-left: 14px; }
/* 签收 / 拒收区：正式签署框 */
.sign-zone {
    margin-top: 24px;
    padding: 24px 18px;
    border: 1px solid var(--hairline);
    text-align: center;
    position: relative;
}
.sign-zone::before {
    content: "";
    position: absolute; inset: 5px;
    border: 1px dashed var(--hairline);
    pointer-events: none;
}
.sign-zone > * { position: relative; }
.sz-done { color: var(--success); font-weight: 600; font-size: 14px; margin-bottom: 12px; letter-spacing: 1px; }
.sz-hint { color: var(--ink-soft); font-size: 12.5px; line-height: 1.9; margin-bottom: 12px; }
.sz-warn { color: var(--danger); font-weight: 600; font-size: 13.5px; margin-bottom: 8px; letter-spacing: .5px; }
.sz-reason { color: var(--ink-soft); font-size: 12.5px; margin-bottom: 10px; }
.btn-seal {
    background: var(--seal); color: #f6f4ee;
    font-family: var(--serif-display);
    letter-spacing: 6px; text-indent: 6px;
    padding: 12px 46px; font-size: 15px;
    border-radius: 3px;
    transition: filter .2s;
}
.btn-seal:hover { filter: brightness(1.08); background: var(--seal); }
.btn-seal-ghost {
    background: transparent;
    border: 1px solid var(--navy); color: var(--navy);
    font-family: var(--serif-display);
    letter-spacing: 2px;
    padding: 9px 26px; font-size: 13px;
    border-radius: 3px;
}
.btn-seal-ghost:hover { background: var(--navy); color: #f6f4ee; }
.reject-toggle {
    display: inline-block;
    margin-top: 14px;
    color: var(--ink-soft); font-size: 12.5px;
    text-decoration: underline; text-underline-offset: 3px;
}
.reject-toggle:hover { color: var(--seal); }
.reject-form {
    display: none;
    margin-top: 14px;
    text-align: left;
    padding: 14px;
    border: 1px dashed var(--hairline);
    background: var(--paper);
}
.reject-form.show { display: block; }
.reject-form .rf-title {
    font-size: 12.5px; color: var(--ink); font-weight: 600;
    letter-spacing: 1px; margin-bottom: 8px;
}
.reject-form textarea {
    width: 100%; box-sizing: border-box;
    border: 1px solid var(--hairline);
    background: var(--sheet);
    color: var(--ink);
    border-radius: 3px;
    padding: 10px 12px;
    font-size: 13px; line-height: 1.8;
    resize: vertical; outline: none;
}
.reject-form textarea:focus { border-color: var(--seal); }
.reject-form .rf-btns { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; }
.doc-foot {
    text-align: center;
    color: var(--ink-soft);
    font-size: 11px; letter-spacing: 1.5px;
    margin-top: 24px;
}
.empty { text-align: center; color: var(--muted); padding: 46px 20px; font-size: 14px; }

/* ===== 卷宗风公共体系（宣传页 / 登录页 / 文书查看页 / 后台） ===== */
.landing, .login-wrap, .doc-page, .app {
    --serif-display: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --paper: #f6f4ee;
    --ink: #22303f;
    --ink-soft: #5b6675;
    --hairline: rgba(34, 48, 63, .16);
    --seal: #b5382e;
    --navy: #1e3a5f;
    --sheet: #fffdf8;
}
[data-theme="dark"] .landing,
[data-theme="dark"] .login-wrap,
[data-theme="dark"] .doc-page,
[data-theme="dark"] .app {
    --paper: #0f161f;
    --ink: #d9d4c8;
    --ink-soft: #8d94a0;
    --hairline: rgba(217, 212, 200, .18);
    --seal: #d05548;
    --navy: #7aa5cc;
    --sheet: #1a2430;
}

/* 背景层：巨字水印 + 纸面颗粒（三页共用） */
.land-bg, .dossier-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.land-mark, .dossier-mark {
    position: absolute;
    font-family: var(--serif-display);
    font-weight: 700;
    line-height: 1;
    color: var(--ink);
    opacity: .045;
    user-select: none;
}
[data-theme="dark"] .land-mark, [data-theme="dark"] .dossier-mark { opacity: .05; }
.land-grain, .dossier-grain {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='0.05'/></svg>");
}

.landing {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--paper);
    color: var(--ink);
    overflow: hidden;
}
.landing .land-mark { right: -5vw; top: 4vh; font-size: min(44vw, 600px); }

/* 顶栏 */
.landing .land-nav {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px clamp(20px, 4vw, 48px);
    border-bottom: 1px solid var(--hairline);
}
.landing .land-nav .brand { display: flex; align-items: center; gap: 12px; }
.brand-seal {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    background: var(--seal);
    color: #f6f4ee;
    font-family: var(--serif-display);
    font-size: 17px;
    font-weight: 700;
    border-radius: 6px;
    transform: rotate(-4deg);
    box-shadow: inset 0 0 0 1.5px rgba(246, 244, 238, .4), 0 2px 6px rgba(181, 56, 46, .28);
}
.landing .brand-txt { display: flex; flex-direction: column; gap: 2px; }
.landing .brand-name {
    font-family: var(--serif-display);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--ink);
}
.landing .brand-txt small {
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--ink-soft);
}
.landing .land-nav-side { display: flex; align-items: center; gap: 16px; }
.landing .land-nav-side .co { font-size: 12px; letter-spacing: 1px; color: var(--ink-soft); }
.landing .land-nav-side .sep { width: 1px; height: 14px; background: var(--hairline); }
.landing .staff-link {
    font-size: 12px;
    letter-spacing: 1px;
    color: var(--ink);
    text-decoration: none;
    padding: 7px 16px;
    border: 1px solid var(--hairline);
    border-radius: 4px;
    transition: background .2s, color .2s, border-color .2s;
}
.landing .staff-link:hover { background: var(--navy); border-color: var(--navy); color: var(--paper); }

/* 主体：非对称双栏 */
.landing .land-main {
    position: relative;
    z-index: 1;
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: center;
    gap: clamp(40px, 6vw, 90px);
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: clamp(48px, 8vh, 96px) clamp(20px, 4vw, 48px);
}

/* 左栏文案 */
.landing .eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--seal);
    margin-bottom: 18px;
}
.landing .eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--seal);
    transform: rotate(45deg);
}
.landing h1 {
    font-family: var(--serif-display);
    font-size: clamp(46px, 7vw, 84px);
    font-weight: 700;
    letter-spacing: .1em;
    line-height: 1.12;
    color: var(--ink);
    margin: 0 0 14px;
}
.landing .tagline {
    font-size: 14px;
    letter-spacing: 2px;
    color: var(--navy);
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--hairline);
}
.landing .desc {
    font-size: 15px;
    line-height: 2.1;
    color: var(--ink-soft);
    margin-bottom: 0;
}

/* 流程三步 */
.landing .land-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 36px;
    padding-top: 26px;
    border-top: 1px solid var(--hairline);
}
.landing .step { display: flex; flex-direction: column; }
.landing .step .no {
    font-family: var(--serif-display);
    font-size: 13px;
    color: var(--seal);
    letter-spacing: 2px;
}
.landing .step .st {
    font-family: var(--serif-display);
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    margin: 8px 0 6px;
    letter-spacing: 2px;
}
.landing .step .sd { font-size: 12px; line-height: 1.8; color: var(--ink-soft); }

/* 右栏：回证纸张 */
.landing .land-visual { display: flex; justify-content: center; }
.landing .paper-sheet {
    position: relative;
    width: min(340px, 100%);
    background: var(--sheet);
    border: 1px solid var(--hairline);
    padding: 30px 28px 24px;
    box-shadow:
        0 1px 2px rgba(34, 48, 63, .06),
        0 18px 40px -18px rgba(34, 48, 63, .35),
        0 40px 80px -40px rgba(34, 48, 63, .4);
    transform: rotate(-1.2deg);
}
.landing .paper-sheet::before,
.landing .paper-sheet::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--sheet);
    border: 1px solid var(--hairline);
    z-index: -1;
}
.landing .paper-sheet::before { transform: rotate(1.6deg); }
.landing .paper-sheet::after { transform: rotate(-.8deg) translate(-4px, 5px); }

.landing .ps-head { text-align: center; margin-bottom: 18px; }
.landing .ps-co {
    display: block;
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--ink-soft);
    margin-bottom: 10px;
}
.landing .ps-title {
    display: block;
    font-family: var(--serif-display);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .5em;
    text-indent: .5em;
    color: var(--ink);
    padding-bottom: 12px;
    border-bottom: 3px double var(--seal);
}
.landing .ps-rows { display: flex; flex-direction: column; }
.landing .ps-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding: 11px 2px;
    border-bottom: 1px dashed var(--hairline);
    font-size: 12.5px;
}
.landing .ps-row b {
    flex: 0 0 auto;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--ink-soft);
}
.landing .ps-row span {
    flex: 1;
    font-family: var(--serif-display);
    letter-spacing: 1px;
    color: var(--ink);
    border-bottom: 1px solid var(--hairline);
    padding-bottom: 2px;
    min-height: 16px;
}
.landing .ps-row span.blank { border-bottom-style: dotted; }
.landing .ps-row span.blank.short { flex: 0 0 46%; }
.landing .ps-foot {
    margin-top: 16px;
    font-size: 10.5px;
    letter-spacing: 1.5px;
    color: var(--ink-soft);
    text-align: center;
}

/* 朱砂印章 */
.landing .ps-seal {
    position: absolute;
    right: -34px;
    bottom: 30px;
    width: 124px;
    color: var(--seal);
    opacity: .92;
    mix-blend-mode: multiply;
    transform: rotate(12deg);
    filter: contrast(1.05);
}
[data-theme="dark"] .landing .ps-seal { mix-blend-mode: normal; opacity: .88; }
.landing .seal-svg { display: block; width: 100%; height: auto; }
.landing .seal-svg text { font-family: var(--serif-display); font-weight: 700; }

/* 底栏 */
.landing .land-foot {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 22px 20px 26px;
    border-top: 1px solid var(--hairline);
}
.landing .foot-row { margin-bottom: 10px; }
.landing .fine { font-size: 11.5px; letter-spacing: 1px; color: var(--ink-soft); margin: 3px 0; }
.landing .fine.mono { font-size: 9.5px; letter-spacing: 3px; opacity: .65; }

/* 入场编排：文案逐行浮现 → 纸张滑入 → 印章盖落 */
.landing .land-copy > * { animation: landUp .7s cubic-bezier(.2, .7, .2, 1) both; }
.landing .eyebrow  { animation-delay: .05s; }
.landing h1        { animation-delay: .14s; }
.landing .tagline  { animation-delay: .23s; }
.landing .desc     { animation-delay: .32s; }
.landing .land-steps { animation-delay: .42s; }
.landing .paper-sheet { animation: sheetIn .8s cubic-bezier(.2, .7, .2, 1) .35s both; }
.landing .ps-seal { animation: sealPress .5s cubic-bezier(.3, 1.4, .5, 1) .95s both; }
@keyframes landUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes sheetIn {
    from { opacity: 0; transform: rotate(-1.2deg) translateY(34px); }
    to { opacity: 1; transform: rotate(-1.2deg) translateY(0); }
}
@keyframes sealPress {
    0% { opacity: 0; transform: rotate(12deg) scale(1.9); }
    62% { opacity: 1; transform: rotate(11deg) scale(.93); }
    100% { opacity: .92; transform: rotate(12deg) scale(1); }
}
@media (prefers-reduced-motion: reduce) {
    .landing *, .landing *::before, .landing *::after,
    .login-card, .doc-panel { animation: none !important; transition: none !important; }
}

/* ===== 弹窗 ===== */
.modal-mask { position: fixed; inset: 0; background: var(--modal-mask-bg); z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-mask.show { display: flex; }
.modal { background: var(--card); border-radius: 12px; max-width: 520px; width: 100%; max-height: 90vh; overflow-y: auto; }
.modal .modal-head { padding: 16px 22px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal .modal-head h3 { font-size: 15px; }
.modal .modal-head .close { cursor: pointer; font-size: 20px; color: var(--muted); }
.modal .modal-body { padding: 20px 22px; }
.modal .modal-foot { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ===== 响应式（移动端适配） ===== */
@media (min-width: 901px) {
    .menu-btn { display: inline-flex; }
}
@media (max-width: 900px) {
    /* ---- 侧边栏抽屉 ---- */
    .sidebar {
        position: fixed; left: 0; top: 0; bottom: 0; height: 100%; width: 240px;
        transform: translateX(-105%); box-shadow: 4px 0 20px rgba(0,0,0,.25); overflow-y: auto;
    }
    .app.sidebar-open .sidebar { transform: translateX(0); }
    .app.sidebar-open .sidebar-overlay { display: block; opacity: 1; }
    .sidebar .brand .b1, .sidebar .brand .b2, .sidebar nav a span { display: block; }
    .sidebar nav a { justify-content: flex-start; padding: 12px 20px; }
    .menu-btn { display: inline-flex; }

    /* ---- 顶栏 ---- */
    .topbar { padding: 0 12px; height: 54px; }
    .topbar .page-title { font-size: 15px; max-width: 46vw; }
    .topbar .user-box { gap: 8px; }
    .topbar .user-box .urole { display: none; }
    .topbar .user-box .uname { font-size: 12px; max-width: 34vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

    /* ---- 内容区 ---- */
    .content { padding: 16px 12px; }
    .cards { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 14px; }
    .stat-card .num { font-size: 22px; }
    .card .card-head { padding: 12px 14px; }
    .card .card-body { padding: 14px; }
    .form-grid { grid-template-columns: 1fr; gap: 12px; }
    .form-actions { flex-wrap: wrap; }
    .form-actions .btn { flex: 1; }

    /* ---- 筛选条 ---- */
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar .input { width: 100%; min-width: 0; }
    .filter-bar .input.wide { width: 100%; }
    .filter-bar .btn { width: 100%; }

    /* ---- 表格卡片化 ---- */
    .table-wrap { overflow: visible; }
    table.tbl { display: block; }
    .tbl thead { display: none; }
    .tbl tbody { display: block; padding: 12px; }
    .tbl tbody tr {
        display: block; border: 1px solid var(--hairline); border-radius: 4px;
        margin-bottom: 12px; background: var(--sheet); box-shadow: 0 1px 3px rgba(20,40,70,.05);
    }
    .tbl tbody tr:last-child { margin-bottom: 0; }
    .tbl tbody tr:hover { background: var(--sheet); }
    .tbl td {
        display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
        border-bottom: 1px dashed var(--hairline); padding: 10px 14px;
    }
    .tbl td:last-child { border-bottom: none; }
    .tbl td::before {
        content: attr(data-label); color: var(--muted); font-size: 12px;
        min-width: 64px; flex: 0 0 auto;
    }
    .tbl td .sub { display: block; }
    .tbl td form { display: inline-flex; gap: 10px; align-items: center; }
    .tbl td:last-child { flex-wrap: wrap; }

    /* ---- 分页 ---- */
    .pagination { flex: 1; justify-content: flex-end; padding: 12px 4px; gap: 6px; }
    .pagination a, .pagination span { padding: 6px 10px; font-size: 12px; }
    .pg-wrap { flex-wrap: wrap; }

    /* ---- 模态框 ---- */
    .modal-mask { padding: 12px; align-items: flex-end; }
    .modal { max-height: 92vh; border-radius: 12px 12px 0 0; }
    .modal .modal-head, .modal .modal-body { padding: 14px 16px; }
    .modal .modal-foot { padding: 12px 16px; }
    .modal .modal-foot .btn { flex: 1; }

    /* ---- 登录页 ---- */
    .login-wrap { padding: 20px 14px; }
    .login-card { padding: 34px 26px 20px; }
    .lc-tab { left: 20px; }
    .login-body .form-item { margin-bottom: 14px; }

    /* ---- 首页宣传页 ---- */
    .landing .land-nav { padding: 14px 18px; }
    .landing .brand-name { font-size: 16px; letter-spacing: 1px; }
    .landing .brand-seal { width: 30px; height: 30px; font-size: 15px; }
    .landing .land-nav-side .co { display: none; }
    .landing .land-nav-side .sep { display: none; }
    .landing .land-main {
        grid-template-columns: 1fr;
        gap: 44px;
        padding: 36px 20px 44px;
        align-items: start;
    }
    .landing .land-visual { order: 2; }
    .landing .land-mark { font-size: 78vw; right: -18vw; top: auto; bottom: -10vw; }
    .landing .paper-sheet { transform: rotate(-1deg); }
    .landing .ps-seal { right: -14px; width: 104px; }

    /* ---- 文书查看页 ---- */
    .doc-page .doc-header { padding: 34px 16px 22px; }
    .doc-page .doc-header .dh-title { font-size: 24px; letter-spacing: .25em; text-indent: .25em; }
    .dh-co { font-size: 10px; letter-spacing: 2.5px; }
    .doc-body { margin: 10px auto 0; }
    .doc-panel { padding: 20px 18px 24px; }
    .doc-panel .dp-head { flex-direction: column; align-items: flex-start; gap: 8px; }
    .doc-row { flex-wrap: wrap; padding: 12px 0; gap: 10px; }
    .doc-row .doc-name { flex: 1 1 100%; order: 2; }
    .doc-row .doc-meta { order: 3; }
    .doc-row .doc-actions { order: 4; margin-left: auto; }
    .sign-zone { padding: 18px 12px; }
    .btn-seal { padding: 11px 38px; }
    .reject-form .rf-btns { flex-wrap: wrap; }
    .reject-form .rf-btns .btn { flex: 1; }

    /* ---- 详情页 ---- */
    .detail-item { margin-right: 0; }
}
@media (min-width: 901px) {
    .menu-btn { display: none; }
    .sidebar-overlay { display: none !important; }
}

/* ===== 深色模式切换按钮 ===== */
.theme-toggle {
    background: none; border: 1px solid var(--hairline); border-radius: 3px;
    padding: 5px 12px; cursor: pointer; color: var(--ink-soft);
    font-size: 11.5px; letter-spacing: 1px; display: inline-flex; align-items: center; gap: 6px;
    transition: all .2s;
}
.theme-toggle:hover { background: var(--paper); border-color: var(--ink-soft); color: var(--ink); }
.theme-toggle .ico { font-size: 14px; }

@media (max-width: 640px) {
    .landing .land-steps {
        grid-template-columns: 1fr;
        gap: 16px;
        border-top: none;
        border-left: 1px solid var(--hairline);
        margin-top: 28px;
        padding: 4px 0 4px 18px;
    }
    .landing .step { display: grid; grid-template-columns: 30px 1fr; align-items: baseline; column-gap: 10px; }
    .landing .step .no { grid-row: 1; }
    .landing .step .st { grid-column: 2; grid-row: 1; margin: 0; }
    .landing .step .sd { grid-column: 2; grid-row: 2; }
}

/* ===== 移动端小屏（< 480px）额外优化 ===== */
@media (max-width: 480px) {
    .topbar { padding: 0 10px; height: 48px; }
    .topbar .page-title { font-size: 14px; max-width: 40vw; }
    .topbar .user-box .uname { display: none; }
    .topbar .user-box .btn-sm { padding: 4px 10px; font-size: 12px; }
    .menu-btn { width: 34px; height: 34px; font-size: 16px; }
    .content { padding: 12px 10px; }
    .card .card-head { padding: 10px 12px; }
    .card .card-head h3 { font-size: 14px; }
    .card .card-body { padding: 12px; }
    .cards { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-card { padding: 12px; }
    .stat-card .num { font-size: 20px; }
    .stat-card .lbl { font-size: 12px; }
    .login-card { width: 100%; }
    .lc-title { font-size: 18px; }
    .lc-sys { font-size: 11.5px; letter-spacing: 1px; }
    .login-body label { letter-spacing: 3px; }
    .doc-page .doc-header .dh-title { font-size: 21px; }
    .btn-block { height: 42px; font-size: 14px; }
    .form-actions .btn { padding: 10px 14px; font-size: 13px; }
    .upload-box { padding: 14px; font-size: 12px; }
    .page-desc { font-size: 12px; }
}

/* ===== 打印样式 ===== */
@media print {
    .sidebar, .topbar, .form-actions, .card-head form, .theme-toggle { display: none !important; }
    .main, .content { padding: 0; }
    .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
    body { background: #fff; color: #000; }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ===== 链接危险色 ===== */
.link-danger { color: var(--danger); }
.link-danger:hover { filter: brightness(.85); }