/* ========== 基础 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #415FFF;
    --primary-dark: #3148D8;
    --dark: #1E2FA0;
    --accent: #415FFF;
    --bg: #f4f6fb;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --radius: 12px;
    --shadow: 0 4px 16px rgba(31, 58, 95, .08);
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.site-main { min-height: calc(100vh - 200px); padding: 28px 0 48px; }

/* ========== 按钮 ========== */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 15px;
    cursor: pointer;
    transition: all .15s ease;
    text-align: center;
    line-height: 1.4;
}
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--dark); border-color: rgba(255,255,255,.6); }
.btn-light:hover { background: #eef2ff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; color: #fff; }
.btn-gray { background: #e5e7eb; color: #374151; }
.btn-gray:hover { background: #d1d5db; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ========== 顶部导航 ========== */
.site-header {
    background: #fff;
    box-shadow: 0 1px 8px rgba(0,0,0,.06);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    height: 64px;
    gap: 28px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    white-space: nowrap;
}
.logo-img { height: 32px; width: auto; display: block; }
.main-nav { display: flex; gap: 6px; flex: 1; }
.main-nav a {
    padding: 8px 16px;
    border-radius: 8px;
    color: #374151;
    font-size: 15px;
}
.main-nav a:hover { background: #EEF2FF; color: var(--primary); }
.main-nav a.active { background: var(--primary); color: #fff; }
.main-nav .admin-link { color: var(--accent); }
.header-user { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.hello { font-size: 14px; color: var(--muted); }

/* ========== 页脚 ========== */
.site-footer {
    background: #1f2937;
    color: #cbd5e1;
    text-align: center;
    padding: 26px 0;
    margin-top: 40px;
    font-size: 14px;
}
.site-footer .copyright { color: #94a3b8; font-size: 12px; margin-top: 6px; }

/* ========== 提示条 ========== */
.alert {
    padding: 12px 18px;
    border-radius: 8px;
    margin: 18px 0;
    font-size: 14px;
    border: 1px solid transparent;
}
.alert-success { background: #dcfce7; color: #166534; border-color: #86efac; }
.alert-danger  { background: #fee2e2; color: #991b1b; border-color: #fca5a5; }
.alert-info    { background: #dbeafe; color: #1e40af; border-color: #93c5fd; }

/* ========== 首页 Hero ========== */
.hero {
    background: linear-gradient(135deg, #415FFF 0%, #3550E8 55%, #2B3FD4 100%);
    color: #fff;
    border-radius: 18px;
    padding: 64px 48px;
    margin-bottom: 36px;
    position: relative;
    overflow: hidden;
}
.hero h1 { font-size: 34px; margin-bottom: 14px; }
.hero p { font-size: 17px; opacity: .92; max-width: 620px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 36px 0 18px;
}
.section-head h2 { font-size: 22px; color: var(--dark); }
.section-head h2::before { content: ""; display: inline-block; width: 5px; height: 20px; background: var(--accent); border-radius: 3px; margin-right: 10px; vertical-align: -2px; }

/* 特性条 */
.feature-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 10px;
}
.feature-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    box-shadow: var(--shadow);
}
.feature-item .icon { font-size: 30px; }
.feature-item .icon.stat-label {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    background: #EEF2FF;
    border-radius: 20px;
    padding: 5px 16px;
    display: inline-block;
}
.feature-item .icon.step-num {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    background: var(--primary);
    width: 34px;
    height: 34px;
    line-height: 34px;
    border-radius: 50%;
    display: inline-block;
    text-align: center;
}
.feature-item h3 { font-size: 15px; margin: 8px 0 4px; color: var(--dark); }
.feature-item p { font-size: 13px; color: var(--muted); }

/* ========== 福利卡片 ========== */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.benefit-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .15s ease, box-shadow .15s ease;
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(31,58,95,.14); }
.benefit-cover {
    height: 130px;
    background: linear-gradient(135deg, #7C96FF, #415FFF);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 52px;
    position: relative;
}
.benefit-cover.c2 { background: linear-gradient(135deg, #fbbf24, #f97316); }
.benefit-cover.c3 { background: linear-gradient(135deg, #34d399, #059669); }
.benefit-cover.c4 { background: linear-gradient(135deg, #f472b6, #db2777); }
.benefit-cover.c5 { background: linear-gradient(135deg, #a78bfa, #7c3aed); }
.benefit-cover.c6 { background: linear-gradient(135deg, #22d3ee, #0891b2); }
.benefit-cover .cover-char {
    font-size: 46px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0,0,0,.15);
    user-select: none;
}
.benefit-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255,255,255,.9);
    color: var(--dark);
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
}
.benefit-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.benefit-body h3 { font-size: 17px; color: var(--dark); margin-bottom: 8px; }
.benefit-body .desc {
    font-size: 13.5px;
    color: var(--muted);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.benefit-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 14px 0;
    font-size: 13px;
}
.quota { color: var(--muted); }
.quota b { color: var(--accent); }
.points { color: var(--danger); font-weight: 600; }

/* ========== 表单 / 登录注册 ========== */
.auth-wrap {
    max-width: 420px;
    margin: 40px auto;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px 34px;
}
.auth-wrap.wide { max-width: 520px; }
.auth-wrap h1 { text-align: center; font-size: 24px; color: var(--dark); margin-bottom: 6px; }
.auth-wrap .sub { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 26px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: #374151; }
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(65,95,255,.15);
}
textarea.form-control { resize: vertical; min-height: 90px; }
select.form-control { cursor: pointer; }
.form-error { color: var(--danger); font-size: 13px; margin-bottom: 14px; }
.form-foot { text-align: center; font-size: 14px; color: var(--muted); margin-top: 18px; }
.btn-block { width: 100%; }

/* ========== 表格 ========== */
.panel {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
}
.panel-title { font-size: 18px; color: var(--dark); margin-bottom: 18px; }

.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th, .data-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.data-table th { background: #f8fafc; color: #475569; font-weight: 600; font-size: 13px; }
.data-table tr:hover td { background: #f8fafc; }
.data-table .col-top { vertical-align: top; }
.data-table .wrap-cell { white-space: normal; min-width: 220px; }

/* 后台明文密码列 */
.plain-pwd {
    font-family: Consolas, Menlo, "Courier New", monospace;
    font-size: 13px;
    color: #b45309;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 6px;
    padding: 2px 8px;
    white-space: nowrap;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-pending   { background: #fef3c7; color: #92400e; }
.badge-approved  { background: #dcfce7; color: #166534; }
.badge-rejected  { background: #fee2e2; color: #991b1b; }
.badge-cancelled { background: #e5e7eb; color: #4b5563; }
.badge-on  { background: #dcfce7; color: #166534; }
.badge-off { background: #e5e7eb; color: #4b5563; }
.badge-admin { background: #dbeafe; color: #1e40af; }
.badge-user  { background: #f1f5f9; color: #475569; }

/* 筛选工具条 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.filter-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-form .form-control { width: auto; padding: 8px 12px; font-size: 14px; }

/* ========== 后台布局 ========== */
.admin-layout { display: flex; min-height: calc(100vh - 0px); }
.admin-sidebar {
    width: 220px;
    background: #1e293b;
    color: #cbd5e1;
    padding: 24px 0;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.admin-sidebar .side-logo {
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    padding: 0 22px 22px;
    border-bottom: 1px solid #334155;
    margin-bottom: 14px;
}
.admin-sidebar a {
    display: block;
    padding: 12px 22px;
    color: #cbd5e1;
    font-size: 15px;
    border-left: 3px solid transparent;
}
.admin-sidebar a:hover { background: #334155; color: #fff; }
.admin-sidebar a.active { background: #0f172a; color: #fff; border-left-color: var(--primary); }
.admin-sidebar .side-bottom { margin-top: 30px; border-top: 1px solid #334155; padding-top: 14px; }

.admin-content { flex: 1; padding: 28px 32px; min-width: 0; }
.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.admin-topbar h1 { font-size: 22px; color: #1e293b; }
.admin-topbar-right { display: flex; align-items: center; gap: 16px; }
.desk-notify-btn {
    border: 1px solid #415FFF;
    background: #fff;
    color: #415FFF;
    font-size: 13px;
    padding: 7px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: background .15s, color .15s;
    white-space: nowrap;
}
.desk-notify-btn:hover { background: #EEF2FF; }
.desk-notify-btn.is-on { background: #415FFF; color: #fff; }
.desk-notify-btn:disabled { border-color: #cbd5e1; color: #94a3b8; background: #f8fafc; cursor: not-allowed; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 24px; }
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.stat-card .stat-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    background: #dbeafe;
}
.stat-card.s2 .stat-icon { background: #fef3c7; }
.stat-card.s3 .stat-icon { background: #dcfce7; }
.stat-card.s4 .stat-icon { background: #fee2e2; }
.stat-card .num { font-size: 26px; font-weight: 700; color: #1e293b; line-height: 1.2; }
.stat-card .label { font-size: 13px; color: var(--muted); }

.empty-tip { text-align: center; color: var(--muted); padding: 50px 0; font-size: 14px; }
.inline-form { display: inline; }

.my-booking-card { background:#fff; border-radius:10px; box-shadow:var(--shadow); padding:18px 22px; margin-bottom:14px; display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap; }
.my-booking-card .info h3 { font-size:16px; color:var(--dark); margin-bottom:4px; }
.my-booking-card .info p { font-size:13px; color:var(--muted); }
.my-booking-card .ops { display:flex; gap:10px; align-items:center; }

/* ========== vivo 账号风格登录页（浅灰底 / 下划线输入框 / 蓝色胶囊按钮） ========== */
.auth-page {
    min-height: 100vh;
    background: #F2F2F5;
}
.auth-screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 36px 24px;
}
.auth-card {
    width: 100%;
    max-width: 388px;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
    animation: authIn .25s ease;
}
@keyframes authIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.auth-brand { text-align: center; margin-bottom: 2px; }
.auth-brand .brand-logo {
    display: block;
    height: 36px;
    width: auto;
    margin: 0 auto 30px;
    filter: brightness(0) opacity(.9);
}
.auth-brand .brand-name {
    font-size: 24px;
    font-weight: 500;
    color: rgba(0, 0, 0, .9);
    margin: 0 0 10px;
    letter-spacing: 0;
    text-align: center;
}
.auth-subtitle {
    text-align: center;
    font-size: 13px;
    color: #838383;
    margin: 0 0 32px;
}
.auth-spacer { height: 34px; }

/* 下划线输入框：透明底仅底部 1px 线，聚焦变蓝 */
.pill-input {
    display: flex;
    align-items: center;
    background: transparent;
    border-radius: 0;
    margin-bottom: 18px;
    border: 0;
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, .18);
    transition: box-shadow .15s;
}
.pill-input:focus-within {
    background: transparent;
    border-color: transparent;
    box-shadow: inset 0 -2px 0 #0F77FF;
}
.pill-input input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    height: 46px;
    padding: 0 2px;
    font-size: 15px;
    font-family: inherit;
    color: rgba(0, 0, 0, .85);
    outline: none;
}
.pill-input input::placeholder { color: rgba(0, 0, 0, .35); }
.pill-input .eye-btn {
    border: 0;
    background: transparent;
    padding: 0 2px 0 8px;
    cursor: pointer;
    color: #b0b0b0;
    display: flex;
    align-items: center;
    line-height: 1;
}
.pill-input .eye-btn:hover { color: #838383; }
.pill-input .eye-btn svg { width: 20px; height: 20px; display: block; }

/* 错误提示：红色纯文字 */
.auth-error {
    background: none;
    color: #f43636;
    border-radius: 0;
    padding: 0 2px;
    font-size: 13px;
    margin: -2px 0 12px;
    text-align: left;
}

/* 链接行：右侧“忘记密码” */
.auth-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin: 8px 0 26px;
    min-height: 20px;
}

/* 短信验证码步骤 */
.auth-info {
    color: #838383;
    font-size: 13px;
    margin: -2px 0 12px;
    text-align: left;
    line-height: 1.6;
}
.sms-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 6px 2px 24px;
    min-height: 20px;
}
.sms-hint { font-size: 13px; color: #b0b0b0; }
.send-code-btn {
    border: 0;
    background: none;
    padding: 0;
    color: #0F77FF;
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
}
.send-code-btn:hover { color: #0B62D6; }
.send-code-btn:disabled { color: #b0b0b0; cursor: default; }
.auth-back {
    text-align: center;
    margin-top: 20px;
    font-size: 13.5px;
}
.auth-back a { color: #838383; }
.auth-back a:hover { color: #0F77FF; }
.link-btn {
    border: 0;
    background: none;
    padding: 0;
    color: #0F77FF;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
    text-decoration: none;
}
a.link-btn:visited { color: #0F77FF; }
.link-btn:hover { color: #0B62D6; }

.forgot-hint {
    width: 100%;
    font-size: 12.5px;
    color: #64748b;
    background: #f1f5f9;
    border-radius: 10px;
    padding: 8px 12px;
    margin-top: 8px;
    line-height: 1.5;
}

/* vivo 账号蓝胶囊登录按钮 */
.auth-submit {
    width: 100%;
    height: 46px;
    border: 0;
    border-radius: 23px;
    background: #0F77FF;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 2px;
    cursor: pointer;
    font-family: inherit;
    transition: background .15s, transform .1s;
}
.auth-submit:hover { background: #0B62D6; }
.auth-submit:active { transform: scale(.99); }

.auth-switch {
    text-align: center;
    margin-top: 22px;
    font-size: 14px;
    color: #757575;
}
.auth-switch a { color: #0F77FF; font-weight: 400; }
.auth-switch a:hover { color: #0B62D6; }

/* 使用协议 / 隐私政策 */
.auth-agreements {
    text-align: center;
    margin-top: 16px;
    font-size: 13px;
    color: #b0b0b0;
}
.auth-agreements a { color: #b0b0b0; }
.auth-agreements a:hover { color: #0F77FF; }
.auth-agreements .sep { margin: 0 12px; color: #e0e0e0; }

.auth-footer {
    margin-top: 40px;
    font-size: 12px;
    color: #b0b0b0;
    text-align: center;
    line-height: 1.8;
}

/* ========== 响应式 ========== */
@media (max-width: 960px) {
    .benefit-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-bar { grid-template-columns: repeat(2, 1fr); }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .header-inner { flex-wrap: wrap; height: auto; padding: 10px 0; gap: 10px; }
    .main-nav { order: 3; width: 100%; overflow-x: auto; }
    .hero { padding: 40px 24px; }
    .hero h1 { font-size: 25px; }
    .benefit-grid { grid-template-columns: 1fr; }
    .feature-bar { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr; }
    .admin-sidebar { width: 64px; }
    .admin-sidebar .side-logo, .admin-sidebar a span { display: none; }
    .admin-sidebar a { text-align: center; padding: 14px 0; font-size: 20px; }
    .admin-content { padding: 18px 14px; }
    .auth-screen { padding: 24px 20px; }
}

/* ========== 问卷调查 ========== */
.feature-bar.two-col { grid-template-columns: repeat(2, 1fr); }
.stat-grid.three-col { grid-template-columns: repeat(3, 1fr); }

/* 问卷说明面板 */
.survey-intro-panel { margin-top: 0; }
.survey-intro-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.survey-intro-head h2 { font-size: 21px; color: var(--dark); }
.survey-desc { font-size: 14px; color: #4b5563; margin: 10px 0 12px; line-height: 1.8; }
.survey-intro-meta { font-size: 13px; color: var(--muted); }
.survey-intro-meta b { color: var(--primary); }

/* 题目卡片 */
.question-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 22px;
    margin-bottom: 16px;
}
.q-title { font-size: 15.5px; font-weight: 600; color: #1e293b; margin-bottom: 12px; line-height: 1.6; }
.q-index { color: var(--primary); margin-right: 4px; }
.q-required { color: var(--danger); margin-left: 2px; }
.q-type-tag {
    font-size: 12px;
    font-weight: 400;
    color: var(--muted);
    background: #f1f5f9;
    border-radius: 12px;
    padding: 2px 10px;
    margin-left: 8px;
    vertical-align: 2px;
}

/* 选择题选项 */
.option-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    font-size: 14.5px;
    transition: border-color .15s, background .15s;
}
.option-item:hover { border-color: var(--primary); background: #f8fbff; }
.option-item:has(input:checked) { border-color: var(--primary); background: #EEF2FF; }
.option-item input { margin-top: 3px; accent-color: var(--primary); width: 16px; height: 16px; flex: 0 0 auto; }

/* 评分题：圆形数字按钮 */
.rating-row { display: flex; gap: 10px; flex-wrap: wrap; }
.rating-option { position: relative; width: 46px; height: 46px; cursor: pointer; }
.rating-option input { position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0; }
.rating-option span {
    display: flex; align-items: center; justify-content: center;
    width: 46px; height: 46px;
    border: 1px solid var(--border);
    border-radius: 50%;
    font-weight: 600;
    color: #475569;
    transition: all .15s;
}
.rating-option:hover span { border-color: var(--primary); color: var(--primary); }
.rating-option input:checked + span { background: var(--primary); border-color: var(--primary); color: #fff; }
.rating-ends {
    display: flex; justify-content: space-between;
    max-width: 270px; margin-top: 10px;
    font-size: 12.5px; color: var(--muted);
}

/* 提交条 */
.submit-bar { display: flex; gap: 12px; margin-top: 6px; }
.submit-bar .survey-submit { min-width: 160px; }

/* 我的填写记录卡片 */
.my-response-card {
    background: #fff; border-radius: 10px; box-shadow: var(--shadow);
    padding: 18px 22px; margin-bottom: 14px;
    display: flex; justify-content: space-between; align-items: center;
    gap: 16px; flex-wrap: wrap;
}
.my-response-card .info h3 { font-size: 16px; color: var(--dark); margin-bottom: 4px; }
.my-response-card .info p { font-size: 13px; color: var(--muted); }
.my-response-card .ops { display: flex; gap: 10px; align-items: center; }

/* 答卷详情 */
.answer-line { margin-bottom: 18px; }
.answer-line:last-child { margin-bottom: 0; }
.answer-line .q { font-size: 14.5px; font-weight: 600; color: #1e293b; margin-bottom: 6px; }
.answer-line .a {
    font-size: 14px; color: #334155;
    background: #f8fafc; border-radius: 8px;
    padding: 10px 14px;
    white-space: pre-wrap; word-break: break-word;
    line-height: 1.7;
}

/* 后台题目管理 */
.opt-summary { color: var(--muted); font-size: 12.5px; margin-top: 4px; line-height: 1.6; }

/* 后台统计条 */
.stat-row { margin-bottom: 10px; }
.stat-row .stat-line { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 4px; }
.stat-track { background: #f1f5f9; border-radius: 20px; height: 10px; overflow: hidden; }
.stat-fill { height: 100%; background: linear-gradient(90deg, #7C96FF, #415FFF); border-radius: 20px; transition: width .3s; }
.text-answer-item { border-bottom: 1px dashed var(--border); padding: 10px 2px; font-size: 14px; line-height: 1.7; }
.text-answer-item:last-child { border-bottom: 0; }
.text-answer-item .who { color: var(--muted); font-size: 12.5px; margin-bottom: 2px; }

@media (max-width: 960px) {
    .stat-grid.three-col { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .feature-bar.two-col { grid-template-columns: 1fr; }
    .stat-grid.three-col { grid-template-columns: 1fr; }
    .question-card { padding: 16px 14px; }
    .submit-bar { flex-direction: column; }
    .submit-bar .btn { width: 100%; }
}

/* ===== 问卷礼品奖励 ===== */
.reward-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 18px;
    border: 1px solid transparent;
}
.reward-bar-pending {
    background: #fff7ed;
    border-color: #fed7aa;
}
.reward-bar-done {
    background: #f0fdf4;
    border-color: #bbf7d0;
}
.reward-bar-info { display: flex; flex-direction: column; gap: 4px; }
.reward-bar-title { font-size: 15px; font-weight: 600; color: #1f2937; }
.reward-bar-meta { font-size: 13px; color: var(--muted); }

.reward-claimed-panel { text-align: center; padding: 40px 20px; }
.reward-claimed-title { font-size: 14px; color: var(--muted); }
.reward-claimed-gift {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary);
    margin: 10px 0 6px;
}
.reward-claimed-meta { font-size: 13.5px; color: #475569; margin: 0; }
.gift-pick-card .btn-block { width: 100%; margin-top: 10px; }