/* ============== 客户端样式 - 橙黄渐变暖色风 ============== */

:root {
    --primary-orange: #FF9A3C;
    --primary-yellow: #FFD23F;
    --primary-deep: #FF6B35;
    --gradient-main: linear-gradient(135deg, #FF6B35 0%, #FFB347 50%, #FFD23F 100%);
    --gradient-soft: linear-gradient(135deg, #FFE4C4 0%, #FFF5D6 100%);
    --gradient-btn: linear-gradient(135deg, #FF6B35 0%, #FFB347 100%);

    --bg-page: #FFF8F0;
    --bg-card: #FFFFFF;
    --bg-section: #FFFAF2;

    --text-dark: #3D2817;
    --text-body: #5C4033;
    --text-muted: #8B6F47;
    --text-light: #B49070;

    --border-soft: #FFE4C4;
    --border-line: #F5DCC0;

    --accent-success: #5BBA6F;
    --accent-warning: #FF8C42;
    --accent-danger: #E8505B;
    --accent-info: #4A90E2;

    --shadow-warm: 0 8px 24px rgba(255, 138, 60, 0.15);
    --shadow-card: 0 4px 16px rgba(255, 138, 60, 0.08);
    --shadow-hover: 0 12px 32px rgba(255, 138, 60, 0.22);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-page);
    color: var(--text-body);
    line-height: 1.6;
    min-height: 100vh;
    background-image:
        radial-gradient(at 10% 0%, rgba(255, 210, 63, 0.18) 0px, transparent 50%),
        radial-gradient(at 90% 0%, rgba(255, 107, 53, 0.12) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(255, 179, 71, 0.10) 0px, transparent 50%);
}

/* ====== 顶部Header ====== */
.header {
    text-align: center;
    padding: 60px 20px 40px;
}

.header .logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: var(--gradient-main);
    box-shadow: var(--shadow-warm);
    margin-bottom: 20px;
    font-size: 36px;
    color: #fff;
    font-weight: 700;
}

.header h1 {
    font-size: 32px;
    margin: 0 0 8px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    letter-spacing: 1px;
}

.header .desc {
    color: var(--text-muted);
    font-size: 15px;
    margin: 0;
}

/* ====== 查询框 ====== */
.search-box {
    max-width: 560px;
    margin: 0 auto;
    padding: 0 20px;
}

.search-form {
    display: flex;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-warm);
    padding: 8px;
    gap: 8px;
    border: 2px solid transparent;
    transition: border-color .25s, box-shadow .25s;
}

.search-form:focus-within {
    border-color: var(--primary-orange);
    box-shadow: var(--shadow-hover);
}

.search-form input {
    flex: 1;
    border: none;
    outline: none;
    padding: 16px 20px;
    font-size: 16px;
    background: transparent;
    color: var(--text-dark);
    border-radius: var(--radius-md);
}

.search-form input::placeholder { color: var(--text-light); }

.search-form button {
    border: none;
    cursor: pointer;
    padding: 0 32px;
    background: var(--gradient-btn);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: transform .15s, box-shadow .15s;
    white-space: nowrap;
}

.search-form button:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(255,107,53,0.35); }
.search-form button:active { transform: translateY(0); }
.search-form button:disabled { opacity: .6; cursor: not-allowed; }

.search-tip {
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 16px;
}

/* ====== 结果区 ====== */
.result-area {
    max-width: 720px;
    margin: 32px auto 60px;
    padding: 0 20px;
}

.result-card {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-warm);
    overflow: hidden;
    animation: slideUp .4s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card .top {
    background: var(--gradient-main);
    padding: 28px 28px 24px;
    color: #fff;
    position: relative;
}

.result-card .top .qq-num {
    font-size: 14px;
    opacity: .85;
    margin-bottom: 4px;
}

.result-card .top .qq-num strong {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-left: 4px;
}

.result-card .top .remark {
    margin-top: 4px;
    font-size: 14px;
    opacity: .9;
}

.status-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(8px);
    color: #fff;
}

.status-badge.status-normal { background: rgba(91,186,111,0.95); }
.status-badge.status-abnormal { background: rgba(232,80,91,0.95); }
.status-badge.status-disabled { background: rgba(120,120,120,0.85); }

.result-card .body {
    padding: 28px;
}

.fee-block {
    text-align: center;
    padding: 8px 0 24px;
    border-bottom: 1px dashed var(--border-line);
    margin-bottom: 24px;
}

.fee-block .label {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 6px;
}

.fee-block .value {
    font-size: 40px;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.info-item {
    background: var(--bg-section);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
}

.info-item .label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.info-item .value {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
}

.info-item.full { grid-column: 1 / -1; }

.days-tip {
    margin-top: 6px;
    font-size: 13px;
    font-weight: 600;
}

.days-safe { color: var(--accent-success); }
.days-warning .value, .days-warning .days-tip { color: var(--accent-warning); }
.days-urgent .value, .days-urgent .days-tip { color: var(--accent-danger); }
.days-overdue .value, .days-overdue .days-tip { color: #B91C1C; }

/* 异常提示 */
.alert-box {
    background: #FEF3F4;
    border: 1px solid #FCC;
    color: #B91C1C;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
    border-left: 4px solid var(--accent-danger);
}

.alert-box strong { color: #991B1B; }

/* 收款码区 */
.qrcode-section {
    background: var(--gradient-soft);
    padding: 24px;
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: 20px;
}

.qrcode-section .label {
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.qrcode-section img {
    max-width: 200px;
    width: 100%;
    border-radius: var(--radius-md);
    background: #fff;
    padding: 8px;
    cursor: zoom-in;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: transform .2s;
}

.qrcode-section img:hover { transform: scale(1.03); }

.qrcode-section .remark {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 13px;
}

/* 历史记录 */
.history-section {
    border-top: 1px dashed var(--border-line);
    padding-top: 20px;
}

.history-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    color: var(--text-dark);
    font-weight: 600;
    user-select: none;
    padding: 8px 0;
}

.history-toggle .arrow {
    transition: transform .2s;
    color: var(--primary-orange);
}

.history-toggle.open .arrow { transform: rotate(180deg); }

.history-list {
    margin-top: 14px;
    display: none;
}

.history-list.show { display: block; }

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 14px;
    border-left: 3px solid var(--primary-orange);
}

.history-item .date { color: var(--text-body); }
.history-item .amount { color: var(--primary-deep); font-weight: 600; }
.history-item .note { color: var(--text-muted); font-size: 12px; }

.history-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
    font-size: 13px;
}

/* 底部说明 */
.foot-tip {
    margin-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
    padding: 16px;
    background: var(--bg-section);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-soft);
}

/* 错误结果 */
.result-empty {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
}

.result-empty .icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.result-empty .msg { font-size: 16px; color: var(--text-dark); font-weight: 600; margin-bottom: 8px; }
.result-empty .sub { font-size: 13px; color: var(--text-muted); }

/* 加载中 */
.loading {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.spinner {
    display: inline-block;
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-soft);
    border-top-color: var(--primary-orange);
    border-radius: 50%;
    animation: spin .8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* 图片放大遮罩 */
.image-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
    cursor: zoom-out;
}

.image-modal.show { display: flex; }

.image-modal img {
    max-width: 92vw;
    max-height: 92vh;
    border-radius: var(--radius-md);
    background: #fff;
    padding: 8px;
}

/* 联系管理员卡片 */
.contact-card {
    max-width: 720px;
    margin: 0 auto 24px;
    padding: 0 20px;
}

.contact-inner {
    background: linear-gradient(135deg, #FFF5E6 0%, #FFEBC8 100%);
    border-radius: var(--radius-xl);
    padding: 24px 28px;
    border: 1px solid var(--border-soft);
    position: relative;
    overflow: hidden;
}

.contact-inner::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 140px; height: 140px;
    background: radial-gradient(circle, rgba(255,154,60,0.18), transparent 70%);
    border-radius: 50%;
}

.contact-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dark);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 8px;
}

.contact-icon {
    display: inline-flex;
    width: 32px; height: 32px;
    background: var(--gradient-main);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 10px rgba(255,107,53,0.3);
}

.contact-tip {
    color: var(--text-body);
    font-size: 13px;
    margin: 0 0 16px;
    line-height: 1.7;
    position: relative;
}

.contact-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    position: relative;
}

.contact-item {
    flex: 1 1 180px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #fff;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-dark);
    border: 1.5px solid transparent;
    transition: transform .15s, border-color .15s, box-shadow .15s;
}

.contact-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary-orange);
    box-shadow: 0 6px 16px rgba(255,107,53,0.15);
}

.contact-label {
    font-size: 12px;
    color: var(--text-muted);
}

.contact-value {
    font-size: 16px;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-family: "SF Mono", Consolas, monospace;
}

/* 页脚 */
.page-footer {
    text-align: center;
    padding: 24px 20px 40px;
    color: var(--text-light);
    font-size: 12px;
}

.page-footer a { color: var(--primary-orange); text-decoration: none; }

/* 响应式 */
@media (max-width: 600px) {
    .header { padding: 40px 16px 28px; }
    .header h1 { font-size: 26px; }
    .header .logo { width: 60px; height: 60px; font-size: 28px; }
    .search-form { flex-direction: column; padding: 12px; }
    .search-form input { padding: 14px 16px; }
    .search-form button { padding: 14px; }
    .result-card .top { padding: 22px 20px; }
    .result-card .body { padding: 20px; }
    .status-badge { top: 18px; right: 18px; padding: 4px 10px; font-size: 12px; }
    .info-grid { grid-template-columns: 1fr; }
    .fee-block .value { font-size: 32px; }
    .qrcode-section img { max-width: 180px; }
}