/* 全局重置 + 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", "Microsoft Yahei", sans-serif;
}

:root {
    --surface: rgba(255, 255, 255, 0.86);
    --text: #0f172a;
    --muted: #64748b;
    --line: rgba(15, 23, 42, 0.10);
    --brand: #2563eb;
    --brand-2: #06b6d4;
    --shadow: 0 16px 50px rgba(2, 6, 23, 0.08);
    --shadow-2: 0 10px 28px rgba(2, 6, 23, 0.10);
    --radius: 18px;
}

body {
    background:
        radial-gradient(900px 600px at 15% 8%, rgba(37, 99, 235, 0.14), transparent 60%),
        radial-gradient(900px 600px at 85% 18%, rgba(6, 182, 212, 0.16), transparent 60%),
        linear-gradient(180deg, #f8fafc, #f3f6fb);
    color: var(--text);
    line-height: 1.6;
}

/* 容器样式（自适应） */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部导航栏 */
.header {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    position: sticky;
    top: 0;
    z-index: 999;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 22px;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
}

.logo i {
    color: var(--brand);
    margin-right: 8px;
    font-size: 24px;
}

/* 导航菜单（PC端） */
.nav {
    display: flex;
    align-items: center;
}

.nav-link {
    color: rgba(15, 23, 42, 0.72);
    text-decoration: none;
    margin: 0 18px;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--brand);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--brand);
    border-radius: 2px;
}

/* 移动端菜单按钮 */
.menu-btn {
    display: none;
    background: transparent;
    border: none;
    font-size: 22px;
    color: #2d3748;
    cursor: pointer;
}

/* 主视觉区域（首页） */
.hero {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.10) 0%, rgba(6, 182, 212, 0.08) 100%);
    padding: 60px 0;
    margin-bottom: 40px;
}

.hero-container {
    text-align: center;
}

.hero-title {
    font-size: 32px;
    color: var(--text);
    margin-bottom: 16px;
    font-weight: 700;
}

.hero-desc {
    font-size: 16px;
    color: var(--muted);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 分类卡片组（首页） */
.card-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.card-item {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    text-decoration: none;
    color: var(--text);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2);
}

.card-item i {
    font-size: 32px;
    color: var(--brand);
    margin-bottom: 16px;
}

.card-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 600;
}

.card-item p {
    font-size: 14px;
    color: var(--muted);
}

/* 页面标题（分类页） */
.page-title {
    text-align: center;
    margin-bottom: 40px;
    padding-top: 20px;
}

.page-title h2 {
    font-size: 28px;
    color: var(--text);
    margin-bottom: 8px;
    font-weight: 600;
}

.page-title p {
    font-size: 15px;
    color: var(--muted);
}

/* 表单容器 */
.form-container {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: var(--shadow);
    padding: 40px;
    margin-bottom: 40px;
}

/* 表单样式 */
.name-form {
    display: grid;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 15px;
    color: var(--text);
    font-weight: 500;
}

/* 主内容区 */
.main {
    padding: 36px 0 10px;
}

/* 输入控件 */
.form-input, .date-select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    background: rgba(255, 255, 255, 0.92);
    color: var(--text);
    outline: none;
    transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.form-input::placeholder {
    color: rgba(100, 116, 139, 0.85);
}

.form-input:focus, .date-select:focus {
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.radio-group {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.radio-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid rgba(15, 23, 42, 0.10);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.70);
    color: rgba(15, 23, 42, 0.75);
}

.date-group {
    display: grid;
    grid-template-columns: 120px 1fr 180px;
    gap: 10px;
}

/* 提交按钮 */
.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    cursor: pointer;
    padding: 13px 16px;
    border-radius: 14px;
    font-weight: 600;
    letter-spacing: 0.2px;
    color: #fff;
    background: linear-gradient(135deg, var(--brand), #1d4ed8);
    box-shadow: 0 12px 26px rgba(37, 99, 235, 0.22);
    transition: transform 0.15s ease, filter 0.15s ease;
}

.submit-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.02);
}

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

.ml-2 { margin-left: 6px; }

/* 结果区（高端面板 + 流式段落） */
.result-container {
    margin-top: 26px;
    padding: 18px 18px;
    border-radius: var(--radius);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
    max-height: 420px;
    overflow: auto;
}

/* 新版：结果展示为一个整体块（类似“文章卡片”） */
.result-block {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-left: 4px solid rgba(245, 158, 11, 0.85);
    border-radius: 16px;
    padding: 16px 16px;
    color: rgba(15, 23, 42, 0.86);
    line-height: 1.85;
    word-break: break-word;
}

.result-block .num {
    display: inline-block;
    width: 2.2em; /* 悬挂缩进：换行后与编号后的正文对齐 */
    font-size: 12px;
    color: rgba(100, 116, 139, 0.95);
    font-weight: 700;
    vertical-align: baseline;
}

.result-block .label {
    font-weight: 700;
    color: rgba(15, 23, 42, 0.92);
}

.result-block .name {
    display: inline-block;
    font-weight: 800;
    font-size: 15px;
    color: rgba(15, 23, 42, 0.95);
}

.name-block {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.name-col {
    display: inline-block;
    min-width: 4.5em;
    font-weight: 800;
    font-size: 15px;
    color: rgba(15, 23, 42, 0.95);
    white-space: nowrap;
}

.content-col {
    display: inline;
    flex: 1;
    min-width: 0;
}

.result-status {
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.88);
    color: rgba(100, 116, 139, 0.95);
    margin-bottom: 12px;
}

.result-placeholder {
    display: grid;
    place-items: center;
    gap: 10px;
    padding: 18px 6px 6px;
    color: var(--muted);
}

.result-placeholder i {
    font-size: 18px;
    color: rgba(37, 99, 235, 0.75);
}

/* 底部 */
.footer {
    padding: 28px 0 40px;
    color: rgba(100, 116, 139, 0.9);
    text-align: center;
}

/* 移动端导航 + 响应式 */
@media (max-width: 860px) {
    .menu-btn { display: block; }
    .header .container { position: relative; }
    .nav {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.96);
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
        padding: 12px 0;
    }
    .nav.show { display: flex; }
    .nav-link { margin: 10px 20px; }

    .card-group { grid-template-columns: repeat(2, 1fr); }
    .date-group { grid-template-columns: 1fr; }
    .form-container { padding: 22px; }
}

@media (max-width: 460px) {
    .card-group { grid-template-columns: 1fr; }
    .hero-title { font-size: 26px; }
}