:root {
    --bg: #f5efe4;
    --bg-soft: #fcf8f1;
    --paper: rgba(255, 252, 245, 0.82);
    --paper-strong: #fffaf2;
    --text: #2f2a26;
    --muted: #73685f;
    --line: rgba(79, 63, 50, 0.12);
    --accent: #b8663d;
    --accent-deep: #8f4c2b;
    --accent-soft: #ecd4c0;
    --green: #6d7c62;
    --shadow: 0 24px 60px rgba(97, 72, 46, 0.14);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --container: min(1120px, calc(100% - 40px));
    --serif: "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", "Source Han Serif SC", serif;
    --sans: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--sans);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(201, 141, 96, 0.16), transparent 32%),
        radial-gradient(circle at right 10% top 18%, rgba(116, 135, 99, 0.14), transparent 28%),
        linear-gradient(180deg, #fbf7ef 0%, #f4ecdf 52%, #f8f3ea 100%);
    line-height: 1.7;
    min-width: 320px;
}

body.menu-open {
    overflow: hidden;
}

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

img {
    max-width: 100%;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.background-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.1)),
        linear-gradient(90deg, rgba(79, 63, 50, 0.02) 1px, transparent 1px),
        linear-gradient(rgba(79, 63, 50, 0.02) 1px, transparent 1px);
    background-size: auto, 28px 28px, 28px 28px;
    mix-blend-mode: multiply;
    opacity: 0.55;
    z-index: -1;
}

.container {
    width: var(--container);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(16px);
    background: rgba(251, 247, 239, 0.74);
    border-bottom: 1px solid rgba(79, 63, 50, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 78px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.brand-mark {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #e8b17d);
    box-shadow: 0 0 0 8px rgba(184, 102, 61, 0.12);
    flex: none;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.brand-text strong {
    font-size: 1rem;
    letter-spacing: 0.06em;
}

.brand-text small {
    color: var(--muted);
    font-size: 0.74rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.site-nav a {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.95rem;
    transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.site-nav a:hover,
.site-nav a.active {
    background: rgba(184, 102, 61, 0.12);
    color: var(--accent-deep);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(79, 63, 50, 0.1);
    border-radius: 50%;
    background: rgba(255, 250, 242, 0.75);
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
}

.menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.section {
    padding: 100px 0;
}

.hero {
    padding-top: 72px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    align-items: center;
    gap: 42px;
}

.section-kicker {
    margin: 0 0 14px;
    color: var(--accent-deep);
    font-size: 0.88rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2 {
    margin: 0;
    font-family: var(--serif);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.14;
}

.hero-copy h1 {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    max-width: 11ch;
}

.hero-text {
    margin: 28px 0 16px;
    max-width: 640px;
    font-size: 1.06rem;
    color: rgba(47, 42, 38, 0.9);
}

.hero-note {
    margin: 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 999px;
    background: rgba(255, 250, 242, 0.75);
    border: 1px solid rgba(79, 63, 50, 0.08);
    color: var(--muted);
    font-size: 0.95rem;
}

.hero-note::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 0.98rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

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

.button-primary {
    color: #fffaf3;
    background: linear-gradient(135deg, var(--accent-deep), var(--accent));
    box-shadow: 0 16px 35px rgba(143, 76, 43, 0.24);
}

.button-secondary {
    background: rgba(255, 250, 242, 0.78);
    border: 1px solid rgba(79, 63, 50, 0.12);
    color: var(--text);
}

.memory-board {
    position: relative;
    min-height: 560px;
}

.memory-card {
    position: absolute;
    border-radius: var(--radius-xl);
    background: var(--paper);
    border: 1px solid rgba(79, 63, 50, 0.08);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    overflow: hidden;
}

.memory-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.25), transparent 30%, transparent 100%);
    pointer-events: none;
}

.memory-label {
    display: inline-block;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.45);
    color: var(--accent-deep);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.card-feature {
    top: 10px;
    left: 0;
    right: 46px;
    padding: 28px;
    background:
        radial-gradient(circle at top right, rgba(184, 102, 61, 0.18), transparent 34%),
        linear-gradient(145deg, rgba(255, 250, 244, 0.92), rgba(248, 239, 229, 0.78));
    animation: float-card 7s ease-in-out infinite;
}

.card-feature h2 {
    margin: 18px 0 12px;
    font-family: var(--serif);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    line-height: 1.25;
}

.card-feature p,
.card-soft p,
.card-accent p {
    margin: 0;
    color: var(--muted);
}

.card-soft {
    left: 42px;
    bottom: 20px;
    width: 54%;
    padding: 24px;
    background:
        radial-gradient(circle at top left, rgba(109, 124, 98, 0.16), transparent 42%),
        linear-gradient(160deg, rgba(255, 252, 245, 0.88), rgba(248, 245, 237, 0.75));
    animation: float-card 9s ease-in-out infinite reverse;
}

.card-accent {
    top: 210px;
    right: 0;
    width: 46%;
    padding: 24px;
    background:
        radial-gradient(circle at bottom left, rgba(184, 102, 61, 0.2), transparent 46%),
        linear-gradient(160deg, rgba(251, 242, 232, 0.92), rgba(250, 247, 241, 0.7));
    animation: float-card 8.5s ease-in-out infinite;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.tag-cloud li {
    padding: 10px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.48);
    color: var(--text);
    font-size: 0.88rem;
}

.section-shell {
    display: grid;
    gap: 34px;
}

.section-heading {
    max-width: 760px;
}

.section-heading h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
}

.panel,
.interest-card,
.work-card,
.note-card,
.contact-panel {
    border-radius: var(--radius-xl);
    background: var(--paper);
    border: 1px solid rgba(79, 63, 50, 0.08);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.panel {
    padding: 30px;
}

.panel p {
    margin: 0;
    color: rgba(47, 42, 38, 0.88);
    font-size: 1.02rem;
}

.panel p + p {
    margin-top: 18px;
}

.profile-card {
    display: grid;
    gap: 28px;
    background:
        radial-gradient(circle at top right, rgba(184, 102, 61, 0.16), transparent 36%),
        linear-gradient(160deg, rgba(255, 252, 245, 0.9), rgba(248, 240, 232, 0.86));
}

.profile-top {
    display: flex;
    align-items: center;
    gap: 18px;
}

.profile-top h3 {
    margin: 0 0 6px;
    font-size: 1.3rem;
}

.profile-top p {
    margin: 0;
    color: var(--muted);
}

.profile-avatar {
    width: 68px;
    height: 68px;
    border-radius: 22px;
    display: grid;
    place-items: center;
    background: linear-gradient(145deg, var(--accent-deep), var(--accent));
    color: #fff7ef;
    font-family: var(--serif);
    font-size: 1.8rem;
}

.profile-meta {
    display: grid;
    gap: 16px;
}

.profile-meta li {
    display: grid;
    gap: 6px;
    padding-top: 16px;
    border-top: 1px solid rgba(79, 63, 50, 0.08);
}

.profile-meta span {
    font-size: 0.84rem;
    color: var(--muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.profile-meta strong {
    font-size: 1rem;
    font-weight: 600;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.interest-card {
    padding: 26px;
    min-height: 250px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.interest-card:hover,
.work-card:hover,
.note-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 28px 70px rgba(97, 72, 46, 0.18);
}

.interest-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: rgba(184, 102, 61, 0.12);
    color: var(--accent-deep);
    font-size: 0.9rem;
    font-weight: 700;
}

.interest-card h3 {
    margin: 18px 0 12px;
    font-size: 1.2rem;
}

.interest-card p {
    margin: 0;
    color: var(--muted);
}

.timeline {
    position: relative;
    display: grid;
    gap: 22px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 92px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(79, 63, 50, 0.12);
}

.timeline-item {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
}

.timeline-year {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 88px;
    min-height: 44px;
    border-radius: 999px;
    background: rgba(255, 250, 242, 0.86);
    border: 1px solid rgba(79, 63, 50, 0.08);
    color: var(--accent-deep);
    font-size: 0.92rem;
}

.timeline-year::after {
    content: "";
    position: absolute;
    right: -22px;
    top: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 8px rgba(184, 102, 61, 0.1);
    transform: translateY(-50%);
}

.timeline-content {
    padding: 26px 28px;
    border-radius: var(--radius-xl);
    background: var(--paper);
    border: 1px solid rgba(79, 63, 50, 0.08);
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    margin: 0 0 8px;
    font-size: 1.18rem;
}

.timeline-content p {
    margin: 0;
    color: var(--muted);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.work-card {
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.work-cover {
    min-height: 220px;
    padding: 24px;
    display: flex;
    align-items: flex-end;
    color: #fffaf3;
    font-family: var(--serif);
    font-size: 1.35rem;
    letter-spacing: 0.03em;
}

.cover-photo {
    background:
        linear-gradient(145deg, rgba(75, 98, 116, 0.2), transparent),
        linear-gradient(135deg, #4b6b7a 0%, #9db0b0 40%, #e4d1ba 100%);
}

.cover-writing {
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 30%),
        linear-gradient(135deg, #87624f 0%, #d2a783 48%, #efe0cc 100%);
}

.cover-design {
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.2), transparent),
        linear-gradient(135deg, #6e7d65 0%, #b6c29d 50%, #f1e6cf 100%);
}

.cover-code {
    background:
        radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.22), transparent 26%),
        linear-gradient(135deg, #5f5f77 0%, #9aa6b8 45%, #e8dbc8 100%);
}

.work-body {
    padding: 24px;
}

.work-body h3 {
    margin: 0 0 10px;
    font-size: 1.22rem;
}

.work-body p {
    margin: 0;
    color: var(--muted);
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.work-tags li {
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(184, 102, 61, 0.1);
    color: var(--accent-deep);
    font-size: 0.86rem;
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.note-card {
    padding: 28px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.note-date {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(109, 124, 98, 0.12);
    color: var(--green);
    font-size: 0.82rem;
}

.note-card h3 {
    margin: 18px 0 12px;
    font-size: 1.14rem;
    line-height: 1.5;
}

.note-card p {
    margin: 0;
    color: var(--muted);
}

.contact-panel {
    padding: 34px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.75fr);
    gap: 30px;
    background:
        radial-gradient(circle at right top, rgba(184, 102, 61, 0.18), transparent 38%),
        linear-gradient(145deg, rgba(255, 252, 245, 0.92), rgba(248, 239, 229, 0.84));
}

.contact-content {
    display: grid;
    align-content: center;
    gap: 20px;
}

.contact-content p {
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
}

.mail-link {
    display: inline-flex;
    align-items: center;
    min-height: 56px;
    padding: 0 20px;
    width: fit-content;
    border-radius: 999px;
    background: rgba(255, 250, 242, 0.88);
    border: 1px solid rgba(79, 63, 50, 0.1);
    font-size: 1rem;
    color: var(--accent-deep);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mail-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(143, 76, 43, 0.12);
}

.site-footer {
    padding: 28px 0 42px;
}

.footer-inner {
    display: grid;
    justify-items: center;
    gap: 8px;
    padding-top: 24px;
    border-top: 1px solid rgba(79, 63, 50, 0.08);
    text-align: center;
    color: var(--muted);
    font-size: 0.94rem;
}

.footer-inner p {
    margin: 0;
}

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

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes float-card {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(-0.6deg);
    }
}

@media (max-width: 1024px) {
    .hero-grid,
    .about-grid,
    .contact-panel {
        grid-template-columns: 1fr;
    }

    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .works-grid,
    .notes-grid {
        grid-template-columns: 1fr;
    }

    .memory-board {
        min-height: auto;
        display: grid;
        gap: 18px;
    }

    .memory-card {
        position: relative;
        inset: auto;
        width: auto;
    }
}

@media (max-width: 860px) {
    .menu-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: fixed;
        left: 20px;
        right: 20px;
        top: 92px;
        display: grid;
        gap: 8px;
        padding: 18px;
        border-radius: 24px;
        background: rgba(255, 250, 242, 0.96);
        border: 1px solid rgba(79, 63, 50, 0.08);
        box-shadow: var(--shadow);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .menu-open .site-nav {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .site-nav a {
        width: 100%;
        border-radius: 16px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 14px;
        padding-left: 42px;
    }

    .timeline-year::after {
        left: -28px;
        right: auto;
    }

    .timeline-year {
        width: fit-content;
        padding: 0 16px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 78px 0;
    }

    .hero {
        padding-top: 42px;
    }

    .container {
        width: min(100% - 24px, 1120px);
    }

    .header-inner {
        min-height: 72px;
    }

    .brand-text small {
        display: none;
    }

    .hero-copy h1 {
        max-width: 100%;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .button {
        width: 100%;
    }

    .panel,
    .interest-card,
    .note-card,
    .work-body,
    .contact-panel {
        padding: 22px;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .work-cover {
        min-height: 180px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}