/* ============================== 全局重置与设计令牌 ============================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --red: #C41E3A;
    --red-dark: #9B1B30;
    --red-deep: #7A1525;
    --red-bg: #FDF6F0;
    --gold: #B8860B;
    --gold-light: #DAA520;
    --gold-dim: rgba(184, 134, 11, 0.2);
    --bg: #FDF8F3;
    --bg-card: rgba(255, 252, 248, 0.95);
    --text: #2D1B14;
    --text-dim: #6B4C3B;
    --text-muted: #9B8578;
    --border: rgba(196, 30, 58, 0.18);
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    background: var(--bg);
    background-image: none;
    overflow-x: hidden;
}

/* ============================== 背景氛围光效 ============================== */
.bg-glow {
    display: none;
}

.bg-glow-1 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.12) 0%, transparent 70%);
    top: -300px;
    left: -200px;
    animation: glowDrift 18s ease-in-out infinite;
}

.bg-glow-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
    bottom: -200px;
    right: -150px;
    animation: glowDrift 22s ease-in-out infinite reverse;
}

.bg-glow-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.08) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: glowPulse 14s ease-in-out infinite;
}

@keyframes glowDrift {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 20px); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

/* ============================== 通用容器 ============================== */
.container {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================== 顶部横幅 ============================== */
.hero-banner {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #A01830 0%, #C41E3A 30%, #D4264A 50%, #C41E3A 70%, #A01830 100%);
}

/* 斜纹暗纹理 */
.hero-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(45deg, transparent, transparent 28px, rgba(212, 168, 83, 0.018) 28px, rgba(212, 168, 83, 0.018) 29px),
                repeating-linear-gradient(-45deg, transparent, transparent 28px, rgba(212, 168, 83, 0.018) 28px, rgba(212, 168, 83, 0.018) 29px);
    pointer-events: none;
}

/* 顶部柔光 */
.hero-banner::after {
    content: '';
    position: absolute;
    top: -40%;
    left: -20%;
    width: 140%;
    height: 120%;
    background: radial-gradient(ellipse at 30% 20%, rgba(255, 255, 255, 0.07) 0%, transparent 55%);
    pointer-events: none;
}

.banner-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 58px 20px 52px;
}

/* 金色装饰线 + 菱形 */
.banner-line {
    position: relative;
    width: 62%;
    max-width: 460px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
    margin: 0 auto 30px;
}

.banner-line::before {
    content: '\25C6';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: var(--gold);
    font-size: 9px;
    background: var(--red-dark);
    padding: 0 16px;
    line-height: 1;
}

.banner-line:last-child {
    margin-top: 30px;
    margin-bottom: 0;
}

/* 太阳图标 */
.banner-icon-wrap {
    width: 68px;
    height: 68px;
    margin: 0 auto 20px;
    border: 2px solid var(--gold-dim);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: iconBreath 3.5s ease-in-out infinite;
}

.banner-icon-wrap i {
    font-size: 30px;
    color: var(--gold);
}

@keyframes iconBreath {
    0%, 100% { box-shadow: 0 0 12px rgba(212, 168, 83, 0.12); }
    50% { box-shadow: 0 0 28px rgba(212, 168, 83, 0.28); }
}

/* 标题 */
.banner-title {
    font-family: "STSong", "SimSun", "Noto Serif SC", "宋体", serif;
    font-size: 44px;
    font-weight: 900;
    color: var(--gold-light);
    letter-spacing: 14px;
    text-indent: 14px;
    margin-bottom: 14px;
    text-shadow: 0 2px 24px rgba(212, 168, 83, 0.25);
}

.banner-subtitle {
    font-size: 16px;
    color: rgba(240, 212, 138, 0.78);
    letter-spacing: 5px;
    text-indent: 5px;
    margin-bottom: 24px;
}

/* 特性标签 */
.banner-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 22px;
}

.banner-features span {
    font-size: 13px;
    color: rgba(240, 224, 204, 0.72);
    display: flex;
    align-items: center;
    gap: 6px;
}

.banner-features span i {
    color: var(--gold);
    font-size: 11px;
}

/* ============================== 主内容 ============================== */
.main-content {
    position: relative;
    z-index: 1;
    padding: 44px 0 64px;
}

/* ============================== 查询区块 ============================== */
.query-section {
    margin-bottom: 38px;
}

.section-title {
    font-family: "STSong", "SimSun", "Noto Serif SC", "宋体", serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.section-title i {
    color: var(--gold);
    font-size: 18px;
}

/* ============================== 类型按钮 5列2行 ============================== */
.type-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px 6px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 15px;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

/* 悬停渐变叠层 */
.type-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.18), rgba(212, 168, 83, 0.06));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.type-btn:hover {
    border-color: var(--gold);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.type-btn:hover::before {
    opacity: 1;
}

.type-btn:hover i {
    color: var(--gold);
    transform: scale(1.12);
}

.type-btn:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

/* 选中态 */
.type-btn.active {
    border-color: var(--gold);
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.28), rgba(139, 0, 0, 0.22));
    box-shadow: 0 0 24px rgba(212, 168, 83, 0.1), inset 0 0 24px rgba(196, 30, 58, 0.08);
}

.type-btn.active::before {
    opacity: 1;
}

.type-btn.active i {
    color: var(--gold);
}

.type-btn.active span {
    color: var(--gold-light);
}

.type-btn i {
    font-size: 22px;
    color: var(--text-dim);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.type-btn span {
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

/* ============================== 范围按钮 4列 ============================== */
.range-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.range-btn {
    padding: 14px 8px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    font-size: 15px;
    letter-spacing: 1px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.range-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.18), rgba(212, 168, 83, 0.06));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.range-btn:hover {
    border-color: var(--gold);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.range-btn:hover::before {
    opacity: 1;
}

.range-btn:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}

.range-btn.active {
    border-color: var(--gold);
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.28), rgba(139, 0, 0, 0.22));
    box-shadow: 0 0 24px rgba(212, 168, 83, 0.1);
    color: var(--gold-light);
}

.range-btn.active::before {
    opacity: 1;
}

/* ============================== 查询按钮 ============================== */
.action-area {
    text-align: center;
    margin-bottom: 44px;
}

.query-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 68px;
    background: linear-gradient(135deg, var(--red), var(--red-dark));
    color: var(--gold-light);
    border: 2px solid var(--gold);
    border-radius: 50px;
    font-family: inherit;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

/* 扫光效果 */
.query-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.query-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(196, 30, 58, 0.45), 0 0 18px rgba(212, 168, 83, 0.15);
}

.query-btn:hover::after {
    left: 100%;
}

.query-btn:active {
    transform: translateY(0);
}

.query-btn:focus-visible {
    outline: 2px solid var(--gold-light);
    outline-offset: 4px;
}

.query-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.query-btn:disabled::after {
    display: none;
}

/* ============================== 结果区域 ============================== */
.result-section {
    display: none;
    margin-bottom: 44px;
}

.result-section.show {
    display: block;
    animation: resultIn 0.45s ease;
}

@keyframes resultIn {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    position: relative;
    overflow: hidden;
}

/* 顶部金色细线 */
.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.result-text {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 2;
    font-size: 15px;
    color: var(--text);
    padding-right: 6px;
}

/* 加载状态 */
.loading-wrap {
    text-align: center;
    padding: 50px 20px;
}

.loading-wrap .fa-spinner {
    font-size: 30px;
    color: var(--gold);
}

.loading-wrap p {
    margin-top: 14px;
    color: var(--text-dim);
    font-size: 14px;
}

/* 错误状态 */
.error-wrap {
    text-align: center;
    padding: 50px 20px;
    color: var(--red);
}

.error-wrap i {
    font-size: 28px;
}

.error-wrap p {
    margin-top: 14px;
    font-size: 14px;
}

/* ============================== 底部 ============================== */
.site-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
    padding: 32px 0;
    text-align: center;
}

.footer-links {
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4px 8px;
}

.footer-label {
    color: var(--text-dim);
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-icp {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 2;
}

.footer-disclaimer {
    opacity: 0.65;
}

/* ============================== 消息提示 ============================== */
.msg-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(15, 5, 5, 0.94);
    color: var(--gold);
    padding: 14px 34px;
    border-radius: 8px;
    z-index: 10000;
    font-size: 15px;
    border: 1px solid var(--gold-dim);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: toastPop 0.3s ease;
    pointer-events: none;
}

@keyframes toastPop {
    from { opacity: 0; transform: translate(-50%, -50%) scale(0.88); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* ============================== 无障碍：减少动画 ============================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================== 响应式：平板 ============================== */
@media (max-width: 768px) {
    .banner-inner {
        padding: 42px 16px 38px;
    }

    .banner-title {
        font-size: 34px;
        letter-spacing: 10px;
        text-indent: 10px;
    }

    .banner-subtitle {
        font-size: 14px;
        letter-spacing: 3px;
        text-indent: 3px;
    }

    .banner-features {
        gap: 14px;
    }

    .banner-features span {
        font-size: 12px;
    }

    .type-grid {
        gap: 8px;
    }

    .type-btn {
        padding: 16px 4px 12px;
        gap: 8px;
        font-size: 13px;
        border-radius: 8px;
    }

    .type-btn i {
        font-size: 19px;
    }

    .range-grid {
        gap: 10px;
    }

    .range-btn {
        padding: 12px 4px;
        font-size: 14px;
    }

    .query-btn {
        padding: 14px 52px;
        font-size: 16px;
        letter-spacing: 3px;
    }

    .result-card {
        padding: 22px 18px;
    }

    .result-text {
        font-size: 14px;
    }
}

/* ============================== 响应式：手机 ============================== */
@media (max-width: 480px) {
    .banner-inner {
        padding: 36px 12px 32px;
    }

    .banner-title {
        font-size: 28px;
        letter-spacing: 6px;
        text-indent: 6px;
    }

    .banner-subtitle {
        font-size: 13px;
        letter-spacing: 2px;
        text-indent: 2px;
    }

    .banner-icon-wrap {
        width: 56px;
        height: 56px;
    }

    .banner-icon-wrap i {
        font-size: 24px;
    }

    .banner-features {
        gap: 10px;
    }

    .banner-features span {
        font-size: 11px;
    }

    .banner-line {
        width: 75%;
    }

    .type-grid {
        gap: 6px;
    }

    .type-btn {
        padding: 12px 2px 10px;
        gap: 6px;
        font-size: 12px;
        border-radius: 8px;
        border-width: 1.5px;
    }

    .type-btn i {
        font-size: 17px;
    }

    .range-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .range-btn {
        padding: 12px 8px;
        font-size: 14px;
    }

    .query-btn {
        padding: 14px 40px;
        font-size: 15px;
        letter-spacing: 2px;
    }

    .result-card {
        padding: 18px 14px;
    }

    .result-text {
        font-size: 13px;
        line-height: 1.9;
    }

    .footer-links {
        font-size: 12px;
        gap: 3px 6px;
    }

    .footer-icp {
        font-size: 11px;
    }

    .section-title {
        font-size: 18px;
    }
}