/* v2 重构版 - 自适应手机/电脑 */
:root {
    --color-primary: #e85a22;
    --color-primary-dark: #c44a1a;
    --color-bg: #f8f9fa;
    --color-card: #fff;
    --color-text: #212529;
    --color-muted: #6c757d;
    --color-success: #198754;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --radius: 12px;
    --shadow: 0 2px 12px rgba(0,0,0,.08);
    --max-width: 720px;
    --header-height: 56px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    /* 始终预留垂直滚动条空间，避免绑定页↔查询页切换时头部左右晃动 */
    overflow-y: scroll;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    background: var(--color-card);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-top {
    padding: 8px 16px;
    font-size: 0.875rem;
    color: var(--color-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.header-contact .contact-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 8px;
}
.contact-link {
    color: var(--color-primary);
    text-decoration: none;
}
.contact-link.wangwang:hover { text-decoration: underline; }
.contact-link.wechat {
    cursor: pointer;
    user-select: none;
}
.contact-link.wechat:hover { text-decoration: underline; }
.contact-link .wechat-id { font-style: normal; font-weight: 500; }
.contact-sep { color: #dee2e6; margin: 0 2px; }
.wangwang { color: var(--color-primary); text-decoration: none; }
.wangwang:hover { text-decoration: underline; }
.header-brand { padding: 12px 16px; }
.logo { font-size: 1.25rem; font-weight: 700; color: var(--color-primary); }
.nav { display: flex; border-top: 1px solid #eee; }
.nav-link {
    flex: 1;
    text-align: center;
    padding: 12px 16px;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: background .15s;
}
.nav-link:hover { background: #f5f5f5; }
.nav-link.active { background: var(--color-primary); color: #fff; }

.container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
}

.main-content {
    flex: 1;
    padding: 24px 16px 48px;
}
@media (min-width: 768px) {
    .main-content { padding: 32px 24px 64px; }
}

/* 首页（与全站统一内容区最大宽度） */
.page-index .card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px 24px;
    max-width: 960px;
    margin: 0 auto;
}
.page-index .steps {
    display: grid;
    gap: 16px;
    margin-bottom: 28px;
}
@media (min-width: 600px) {
    .page-index .steps { grid-template-columns: repeat(3, 1fr); }
}
.page-index .step {
    text-align: center;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
}
.page-index .step h3 { font-size: 1rem; margin-bottom: 4px; color: var(--color-primary); }
.page-index .step p { font-size: 0.875rem; color: var(--color-muted); }
.page-index .form-inline {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
}
@media (min-width: 480px) {
    .page-index .form-inline { flex-direction: row; align-items: center; justify-content: center; }
}
.page-index .form-inline input[type="text"] {
    padding: 14px 18px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    font-size: 1rem;
    min-width: 0;
}
.page-index .form-inline input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(232,90,34,.15);
}
.page-index .btn {
    padding: 14px 28px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s;
}
.page-index .btn:hover { background: var(--color-primary-dark); }
.page-index .index-tip {
    margin-top: 20px;
    font-size: 0.875rem;
    color: var(--color-muted);
}
.page-index .index-tip code {
    padding: 2px 6px;
    background: #f1f3f5;
    border-radius: 4px;
    font-size: 0.8125rem;
}

/* 绑定页（与查询/结果页统一内容区最大宽度，避免切换时头部左右晃） */
.page-bind .card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    max-width: 960px;
    margin: 0 auto;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    font-size: 0.9375rem;
}
.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    font-size: 1rem;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(232,90,34,.12);
}
select.form-control { cursor: pointer; appearance: auto; }
textarea.form-control { min-height: 120px; resize: vertical; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 140px; }

.order-fill-info {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--color-bg, #f5f5f5);
    border-radius: var(--radius, 8px);
    border-left: 3px solid var(--color-primary, #2563eb);
    font-size: 0.9375rem;
}
.order-fill-info .order-fill-label { color: var(--color-muted, #64748b); margin-right: 8px; }
.order-fill-info .order-fill-value { font-weight: 500; word-break: break-all; }

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 8px; font-size: 0.9375rem; font-weight: 500; cursor: pointer; border: none; transition: background .15s, color .15s; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary { background: #e9ecef; color: var(--color-text); }
.btn-secondary:hover { background: #dee2e6; }
.btn-block { width: 100%; }
@media (min-width: 480px) { .btn-block { width: auto; } }

.help-text {
    font-size: 0.8125rem;
    color: var(--color-muted);
    margin-top: 16px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
}
.help-text p { margin-bottom: 4px; }
.help-text p:last-child { margin-bottom: 0; }

/* 结果页 */
.page-result .card { background: var(--color-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 24px; max-width: 960px; margin-left: auto; margin-right: auto; }
.page-result .card h2 { font-size: 1.125rem; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid #eee; }
.page-result table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.page-result th, .page-result td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eee; }
.page-result th { font-weight: 600; color: var(--color-muted); background: #f8f9fa; }
.page-result .status-ok { color: var(--color-success); }
.page-result .status-wait, .page-result .status-doing { color: var(--color-warning); }
.page-result .status-err { color: var(--color-danger); }
.page-result .summary { margin: 20px 0; font-size: 1.125rem; }
.page-result .summary strong { color: var(--color-primary); }
.page-result .copy-accounts { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.page-result .copy-label { font-size: 0.9375rem; color: var(--color-muted); margin-right: 4px; }
.page-result .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.site-footer { margin-top: auto; padding: 20px 16px; text-align: center; font-size: 0.875rem; color: var(--color-muted); background: var(--color-card); border-top: 1px solid #eee; }

/* 工具区（生成号码 / 处理） */
.tools-box { margin-top: 16px; padding: 16px; background: #f8f9fa; border-radius: 8px; }
.tools-box .form-row { margin-bottom: 12px; }
.tools-box .form-row .form-control { max-width: 140px; }
.tools-box .btn { margin-right: 8px; margin-bottom: 8px; }

/* 只读/禁用 */
input[readonly], input:disabled { background: #f1f3f5; color: var(--color-muted); }

/* 查询绑定记录页（与结果页统一卡片与表格样式） */
.page-query .card { background: var(--color-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 24px; max-width: 960px; margin-left: auto; margin-right: auto; }
.page-query .card h2 { font-size: 1.125rem; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid #eee; }
.page-query table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.page-query th, .page-query td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eee; }
.page-query th { font-weight: 600; color: var(--color-muted); background: #f8f9fa; }
.page-query .status-ok { color: var(--color-success); }
.page-query .status-wait, .page-query .status-doing { color: var(--color-warning); }
.page-query .status-err { color: var(--color-danger); }
.page-query .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.page-query .summary { margin: 20px 0; font-size: 1.125rem; }
.page-query .summary strong { color: var(--color-primary); }
.page-query .copy-accounts { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.page-query .copy-label { font-size: 0.9375rem; color: var(--color-muted); margin-right: 4px; }
.page-query .query-desc { color: var(--color-muted); font-size: 0.9375rem; margin-bottom: 20px; }
.page-query .no-data { color: var(--color-muted); padding: 24px 0; }
.page-query .query-batch-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.page-query .query-batch-bar .batch-label { font-size: 0.9375rem; color: var(--color-muted); margin-right: 4px; }
.page-query .query-toolbar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.page-query .page-size-label { font-size: 0.9375rem; color: var(--color-muted); margin-right: 4px; }
.page-query .query-refresh-hint { font-size: 0.875rem; color: var(--color-warning); margin-bottom: 12px; }
.page-query .pagination { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 20px; margin-bottom: 8px; }
.page-query .pagination-info { font-size: 0.875rem; color: var(--color-muted); margin-right: 12px; }
.page-query .card .btn { margin-right: 8px; margin-top: 8px; }
.btn-sm { padding: 6px 12px; font-size: 0.875rem; }
.btn-secondary.active { background: var(--color-primary); color: #fff; }

/* 可用库存页（1～4 星） */
.page-stock .stock-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    max-width: 960px;
    margin: 0 auto;
}
.page-stock .stock-card h2 { font-size: 1.25rem; margin-bottom: 8px; }
.page-stock .stock-desc {
    font-size: 0.875rem;
    color: var(--color-muted);
    margin-bottom: 20px;
}
.page-stock .stock-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}
@media (max-width: 520px) {
    .page-stock .stock-grid { grid-template-columns: repeat(2, 1fr); }
}
.page-stock .stock-item {
    text-align: center;
    padding: 20px 12px;
    background: var(--color-bg);
    border-radius: 8px;
    border: 1px solid #eee;
}
.page-stock .stock-star {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.page-stock .stock-count {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}
.page-stock .stock-unit { font-size: 0.875rem; color: var(--color-muted); margin-left: 2px; }
.page-stock .stock-total {
    font-size: 1.125rem;
    padding-top: 12px;
    border-top: 1px solid #eee;
}
.page-stock .stock-total strong { color: var(--color-primary); }

/* 错误提示页（订单不存在、非法访问等） */
.page-error {
    padding: 24px 16px;
    max-width: var(--max-width);
    margin: 0 auto;
}
.page-error .error-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px 28px;
    text-align: center;
}
.page-error .error-message {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-text);
    margin: 0 0 24px 0;
}
@media (min-width: 600px) {
    .page-error .error-message { font-size: 1.375rem; }
}
.page-error .btn { font-size: 1rem; padding: 12px 24px; }