/* =========================================================
   浩特工坊 · 全局样式
   原则：移动优先 / CSS 变量 / 语义化 / 无 !important
   ========================================================= */

:root {
    --color-bg: #f8f7f4;
    --color-surface: #ffffff;
    --color-ink: #1c1a17;
    --color-ink-soft: #5c5850;
    --color-accent: #8c6d1f;
    --color-accent-bright: #c9a227;
    --color-accent-soft: #f4ecd6;
    --color-line: #e6e4de;
    --radius: 14px;
    --shadow: 0 8px 24px rgba(28, 26, 23, 0.06);
    --container: 64rem;
}

/* ---------- 基础 ---------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    background: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-accent);
}

a:hover {
    text-decoration-color: currentColor;
}

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.container {
    width: min(100% - 2.5rem, var(--container));
    margin-inline: auto;
}

/* 跳转到主要内容（键盘用户） */
.skip-link {
    position: absolute;
    top: -3rem;
    left: 1rem;
    z-index: 100;
    padding: 0.5rem 1rem;
    background: var(--color-accent);
    color: #fff;
    border-radius: 0 0 8px 8px;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* ---------- 页头与导航 ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(248, 247, 244, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-line);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    padding: 0.625rem 0;
}

.brand {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-ink);
    text-decoration: none;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.brand-logo {
    position: relative;
    flex: none;
    width: 50px;
    height: 50px;
    margin-right: 0.625rem;
    border-radius: 50%;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--color-line);
}

/* 原图留白较多：放大 170% 裁切，并把视觉焦点上移到亭子主体处 */
.brand-logo img {
    position: absolute;
   /* top: 50%;
    left: 50%;
    width: 170%;
    height: 170%;
    object-fit: cover;
    transform: translate(-50%, -36%);*/
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.site-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 0.875rem;
    border-radius: 999px;
    color: var(--color-ink-soft);
    font-size: 0.95rem;
    text-decoration: none;
}

.site-nav a:hover {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

.site-nav a.active {
    color: var(--color-accent);
    font-weight: 600;
    background: var(--color-accent-soft);
}

/* ---------- 首屏 Hero ---------- */

.hero {
    padding: 4rem 0 3rem;
    background:
        linear-gradient(160deg, var(--color-accent-soft), rgba(244, 236, 214, 0) 65%),
        url('/static/img/banner.png') center bottom / 100% auto no-repeat;
}

.hero h1 {
    margin: 0 0 1rem;
    font-size: 2rem;
    line-height: 1.3;
}

.hero-sub {
    margin: 0;
    max-width: 40rem;
    color: var(--color-ink-soft);
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

@media (min-width: 768px) {
    .hero {
        padding: 6rem 0 4.5rem;
        background:
            linear-gradient(90deg, var(--color-bg) 8%, rgba(248, 247, 244, 0) 62%),
            linear-gradient(160deg, var(--color-accent-soft), rgba(244, 236, 214, 0) 65%),
            url('/static/img/banner.png') right center / auto 80% no-repeat;
    }

    .hero h1 {
        font-size: 2.75rem;
    }
}

/* ---------- 按钮 ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.625rem 1.5rem;
    border-radius: 999px;
    background: var(--color-accent);
    color: #fff;
    font-size: 1rem;
    text-decoration: none;
    transition: filter 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn:hover {
    filter: brightness(1.08);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent-soft);
    filter: none;
}

/* ---------- 通用区块 ---------- */

.section {
    padding: 3rem 0;
}

.section-alt {
    background: var(--color-surface);
    border-block: 1px solid var(--color-line);
}

.section-title {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
}

.section-note {
    margin: -0.75rem 0 1.75rem;
    color: var(--color-ink-soft);
}

/* ---------- 工作流程 ---------- */

/* 两行四列，均从左到右排列，顺序看编号即可 */
.workflow {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .workflow {
        grid-template-columns: repeat(4, 1fr);
    }
}

.prose p {
    margin: 0 0 1rem;
    max-width: 46rem;
    color: var(--color-ink-soft);
}

.cta p,
.join-text {
    margin: 0 0 1.25rem;
    max-width: 40rem;
    color: var(--color-ink-soft);
}

/* 内页页头 */
.page-head {
    padding: 3rem 0 0.5rem;
}

.page-head h1 {
    margin: 0 0 0.75rem;
    font-size: 2rem;
}

.page-head p {
    margin: 0;
    max-width: 42rem;
    color: var(--color-ink-soft);
}

@media (min-width: 768px) {
    .page-head {
        padding-top: 4rem;
    }
}

/* ---------- 卡片网格 ---------- */

.grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.section-alt .card {
    background: var(--color-bg);
}

.card-num {
    display: block;
    color: var(--color-accent-bright);
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.12em;
}

.card h3,
.card .member-name {
    margin: 0.5rem 0 0.5rem;
    font-size: 1.125rem;
}

.card p {
    margin: 0;
    color: var(--color-ink-soft);
    font-size: 0.95rem;
}

/* ---------- 案例 ---------- */

.grid-cases {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .grid-cases {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .grid-cases {
        grid-template-columns: repeat(4, 1fr);
    }
}

.case {
    padding: 0;
    overflow: hidden;
}

.case-media {
    aspect-ratio: 4 / 3;
    background: var(--color-bg);
}

.case-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-body {
    padding: 1rem 1.25rem 1.25rem;
}

.case-body h2,
.case-body h3 {
    margin: 0 0 0.25rem;
    font-size: 1.05rem;
}

.case-body p {
    margin: 0;
    font-size: 0.9rem;
}

.featured-more {
    margin: 1.75rem 0 0;
    text-align: center;
}

/* ---------- 数字统计 ---------- */

.stats-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat {
    padding: 1.25rem 1rem;
    text-align: center;
    background: var(--color-bg);
    border: 1px solid var(--color-line);
    border-radius: var(--radius);
}

.section-alt .stat {
    background: var(--color-bg);
}

.stat-num {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent-bright);
}

.stat-label {
    margin-top: 0.25rem;
    color: var(--color-ink-soft);
    font-size: 0.9rem;
}

/* ---------- 时间线 ---------- */

.timeline {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 2px solid var(--color-line);
}

.timeline li {
    position: relative;
    padding: 0 0 1.75rem 1.5rem;
}

.timeline li::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 0.45rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
}

.timeline-year {
    display: block;
    font-weight: 700;
    color: var(--color-accent);
}

.timeline p {
    margin: 0.25rem 0 0;
    max-width: 40rem;
    color: var(--color-ink-soft);
}

/* ---------- 联系信息 ---------- */

.contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.5rem;
    color: var(--color-ink-soft);
}

.contact-list a {
    color: var(--color-accent);
}

/* ---------- 团队成员 ---------- */

.grid-team {
    padding-top: 1rem;
}

.member-top {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    flex: none;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: var(--color-ink);
    color: var(--color-accent-bright);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.member-name {
    margin: 0;
}

.member-role {
    margin: 0.125rem 0 0;
    color: var(--color-accent);
    font-size: 0.9rem;
}

.member-bio {
    margin: 1rem 0;
}

.tags {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tags li {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: 0.8rem;
}

/* ---------- 页脚 ---------- */

.site-footer {
    margin-top: 3rem;
    padding: 2rem 0;
    border-top: 1px solid var(--color-line);
    color: var(--color-ink-soft);
    font-size: 0.9rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 2rem;
}

.footer-inner p {
    margin: 0;
}

.footer-inner a {
    color: var(--color-accent);
}

/* ---------- 404 页面 ---------- */

.miss {
    text-align: center;
    padding: 5rem 0;
}

.miss-code {
    margin: 0;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-accent);
}

.miss h1 {
    margin: 0.5rem 0;
}

.miss p {
    margin: 0 0 1.5rem;
    color: var(--color-ink-soft);
}

/* ---------- 打印样式 ---------- */

@media print {
    .site-header,
    .site-footer,
    .hero-actions,
    .skip-link,
    .btn {
        display: none;
    }

    body {
        background: #fff;
    }
}