/* ============================================================================
 * norm_search.css —— 规范查询引导页（全站统一风格，2026-08-24）
 * 设计语言对齐 tokens.css / calculator.css：主色 #2c80ff、直角、灰阶令牌。
 * 仅作用于 .norm-search-* 作用域，不影响全站其它页面。
 * ============================================================================ */
.norm-search-main {
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    background: var(--gray-050, #f8fafc);
}

.norm-search-card {
    background: #fff;
    border: 1px solid var(--gray-200, #e2e8f0);
    border-radius: 0;                 /* 全站直角铁律 */
    padding: 48px 40px;
    max-width: 480px;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 16px rgba(16, 24, 40, 0.06);
}

.ns-icon {
    width: 72px;
    height: 72px;
    background: var(--primary, #2c80ff);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    font-size: 34px;
    color: #fff;
}

.ns-title {
    color: var(--gray-900, #1e293b);
    font-size: var(--fs-h2, 19px);
    font-weight: 700;
    margin-bottom: 10px;
}

.ns-desc {
    color: var(--gray-700, #334155);
    font-size: var(--fs-body, 14px);
    line-height: 1.7;
    margin-bottom: 26px;
}

.ns-source {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--gray-500, #64748b);
    font-size: var(--fs-label, 13px);
    margin-bottom: 26px;
    padding: 14px 16px;
    background: var(--gray-050, #f8fafc);
    border: 1px solid var(--gray-200, #e2e8f0);
}

.ns-source-emoji {
    font-size: 18px;
}

.ns-source-sub {
    color: var(--gray-400, #94a3b8);
    font-size: var(--fs-xs, 11px);
}

.ns-btn {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 13px 24px;
    border-radius: 0;
    font-size: var(--fs-body, 14px);
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    margin-bottom: 12px;
}

.ns-btn-primary {
    background: var(--primary, #2c80ff);
    color: #fff;
    border: 1px solid var(--primary, #2c80ff);
    box-shadow: 0 4px 12px rgba(44, 128, 255, 0.22);
}

.ns-btn-primary:hover {
    background: var(--primary-dark, #1a5fcc);
    border-color: var(--primary-dark, #1a5fcc);
    transform: translateY(-1px);
}

.ns-btn-ghost {
    background: #fff;
    color: var(--primary, #2c80ff);
    border: 1px solid var(--primary, #2c80ff);
}

.ns-btn-ghost:hover {
    background: var(--primary-100, #eaf2ff);
}

.ns-hint {
    color: var(--gray-400, #94a3b8);
    font-size: var(--fs-sm, 12px);
    line-height: 1.6;
    margin: 6px 0 24px;
}

.ns-tips {
    text-align: left;
    padding-top: 22px;
    border-top: 1px solid var(--gray-200, #e2e8f0);
    margin-bottom: 22px;
}

.ns-tips h3 {
    color: var(--gray-900, #1e293b);
    font-size: var(--fs-body, 14px);
    font-weight: 700;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ns-tips ul {
    list-style: none;
    color: var(--gray-700, #334155);
    font-size: var(--fs-label, 13px);
    line-height: 2;
}

.ns-tips ul li {
    padding-left: 20px;
    position: relative;
}

.ns-tips ul li:before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--success, #16a34a);
    font-weight: 700;
}

.ns-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--gray-500, #64748b);
    font-size: var(--fs-label, 13px);
    text-decoration: none;
}

.ns-back:hover {
    color: var(--primary, #2c80ff);
}

/* 窄屏适配 */
@media (max-width: 480px) {
    .norm-search-card { padding: 36px 22px; }
}