:root {
    --bg: #f4f1ea;
    --surface: rgba(255, 255, 255, 0.78);
    --card: #fffdf8;
    --text: #1f1b16;
    --muted: #6a6257;
    --primary: #b8613c;
    --primary-deep: #8f4527;
    --line: rgba(31, 27, 22, 0.1);
    --shadow: 0 20px 45px rgba(86, 58, 40, 0.12);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(184, 97, 60, 0.16), transparent 28%),
        radial-gradient(circle at right 20%, rgba(214, 178, 122, 0.18), transparent 24%),
        linear-gradient(180deg, #faf7f1 0%, var(--bg) 100%);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.page-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
    background: rgba(244, 241, 234, 0.72);
    border-bottom: 1px solid var(--line);
}

.navbar-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--muted);
    font-size: 0.96rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--primary);
}

.hero {
    padding: 72px 0 40px;
}

.hero-panel {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr;
    gap: 28px;
    align-items: stretch;
}

.hero-main,
.hero-side,
.content-card {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 28px;
    box-shadow: var(--shadow);
}

.hero-main {
    padding: 44px;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(184, 97, 60, 0.12);
    color: var(--primary-deep);
    font-size: 0.92rem;
    font-weight: 600;
}

.hero-main h1 {
    font-size: clamp(2.4rem, 5vw, 4.4rem);
    line-height: 1.05;
    margin-bottom: 18px;
}

.hero-main p {
    max-width: 56ch;
    color: var(--muted);
    font-size: 1.03rem;
}

.hero-actions {
    margin-top: 28px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button.primary {
    background: var(--primary);
    color: #fff;
}

.button.secondary {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text);
}

.hero-side {
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
}

.hero-side h2 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.contact-list,
.timeline-list {
    list-style: none;
    display: grid;
    gap: 14px;
}

.contact-list span,
.timeline-list span {
    display: block;
    color: var(--muted);
    font-size: 0.92rem;
}

.main-content {
    padding: 18px 0 80px;
}

.content-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
}

.content-stack {
    display: grid;
    gap: 24px;
}

.content-card {
    padding: 28px;
}

.section-title {
    font-size: 1.35rem;
    margin-bottom: 18px;
}

.section-copy {
    color: var(--muted);
    margin-bottom: 18px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tags span {
    padding: 9px 14px;
    border-radius: 999px;
    background: #f6ece5;
    color: var(--primary-deep);
    font-size: 0.92rem;
    font-weight: 600;
}

.project-item,
.experience-item {
    padding: 18px 0;
    border-top: 1px solid var(--line);
}

.project-item:first-of-type,
.experience-item:first-of-type {
    padding-top: 0;
    border-top: none;
}

.item-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.item-head strong {
    font-size: 1.02rem;
}

.item-head span {
    color: var(--muted);
    font-size: 0.92rem;
}

footer {
    padding: 0 0 36px;
    color: var(--muted);
    text-align: center;
}

@media (max-width: 860px) {
    .hero-panel,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .navbar-inner {
        padding: 14px 0;
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-main,
    .hero-side,
    .content-card {
        padding: 24px;
    }
}