:root {
    --bg: #f7f2e8;
    --bg-soft: rgba(255, 251, 244, 0.78);
    --surface: rgba(255, 255, 255, 0.82);
    --surface-strong: #fffdf8;
    --text: #1f2b24;
    --muted: #5e6a62;
    --line: rgba(51, 74, 56, 0.12);
    --accent: #1e6a52;
    --accent-deep: #114536;
    --accent-warm: #bf7a2b;
    --shadow: 0 22px 60px rgba(31, 43, 36, 0.12);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --container: min(1120px, calc(100% - 2rem));
    --font-sans: "Manrope", sans-serif;
    --font-serif: "Cormorant Garamond", serif;
    --font-sans-zh: "Noto Sans SC", sans-serif;
    --font-serif-zh: "Noto Serif SC", serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    font-family: var(--font-sans);
    background:
        radial-gradient(circle at top left, rgba(191, 122, 43, 0.16), transparent 30%),
        radial-gradient(circle at top right, rgba(30, 106, 82, 0.18), transparent 32%),
        linear-gradient(180deg, #f5efe3 0%, #fbf8f2 48%, #f4eee4 100%);
    line-height: 1.6;
}

html[lang="zh-CN"] body {
    font-family: var(--font-sans-zh);
}

img {
    max-width: 100%;
}

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

button,
input,
textarea {
    font: inherit;
}

.hero,
.section,
.site-footer {
    position: relative;
}

.hero::before,
.hero::after,
.section::before {
    content: "";
    position: absolute;
    pointer-events: none;
}

.hero {
    padding: 1.25rem 0 4rem;
    overflow: hidden;
}

.hero::before {
    inset: 12% auto auto -8%;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(191, 122, 43, 0.14);
    filter: blur(4px);
}

.hero::after {
    right: -7%;
    top: 18%;
    width: 360px;
    height: 360px;
    border-radius: 36% 64% 53% 47% / 48% 34% 66% 52%;
    background: rgba(30, 106, 82, 0.12);
}

.site-nav,
.hero-content,
.section,
.site-footer {
    width: var(--container);
    margin: 0 auto;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1rem;
    background: var(--bg-soft);
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 999px;
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 25px rgba(31, 43, 36, 0.06);
}

.nav-utility {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    flex: 0 0 auto;
    order: 3;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    min-width: 0;
    flex: 1 1 auto;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 3rem;
    height: 3rem;
    min-width: 3rem;
    min-height: 3rem;
    flex: 0 0 3rem;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-warm));
    font-weight: 800;
    letter-spacing: 0.08em;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    min-width: 0;
}

.brand-text strong {
    font-size: 1rem;
    white-space: nowrap;
}

.brand-text span {
    color: var(--muted);
    font-size: 0.82rem;
    max-width: 29ch;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex: 0 0 auto;
    flex-wrap: nowrap;
    order: 2;
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
}

.lang-button {
    min-height: 2.2rem;
    padding: 0.45rem 0.8rem;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    font-weight: 800;
    cursor: pointer;
}

.lang-button.is-active {
    color: #fff;
    background: linear-gradient(135deg, var(--accent-deep), var(--accent));
}

.nav-links a {
    color: var(--muted);
    font-weight: 600;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a:focus-visible {
    color: var(--accent-deep);
}

.nav-cta {
    padding: 0.8rem 1.1rem;
    border-radius: 999px;
    background: rgba(30, 106, 82, 0.1);
}

.menu-toggle {
    display: none;
    width: 3rem;
    height: 3rem;
    border: 0;
    border-radius: 50%;
    background: rgba(30, 106, 82, 0.1);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 1.2rem;
    height: 2px;
    margin: 0.22rem auto;
    background: var(--accent-deep);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.hero-content {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.8fr);
    gap: 2rem;
    align-items: center;
    padding-top: 4.5rem;
}

.eyebrow {
    margin: 0 0 0.85rem;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.05;
}

h1,
h2 {
    font-family: var(--font-serif);
    font-weight: 700;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2 {
    font-family: var(--font-serif-zh);
}

h1 {
    max-width: 12ch;
    font-size: clamp(2.8rem, 6vw, 5.1rem);
}

h2 {
    max-width: 16ch;
    font-size: clamp(2.1rem, 3.5vw, 3.35rem);
}

h3 {
    font-size: 1.15rem;
}

.hero-text,
.mission-text,
.info-card p,
.event-card p,
.join-steps p,
.join-card li,
.contact-card p,
.form-note {
    color: var(--muted);
}

.hero-text {
    max-width: 58ch;
    margin: 1.35rem 0 0;
    font-size: 1rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3.25rem;
    padding: 0.9rem 1.35rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--accent-deep), var(--accent));
    box-shadow: 0 14px 30px rgba(17, 69, 54, 0.22);
}

.button-secondary {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.7);
}

.hero-card,
.info-card,
.event-card,
.join-card,
.contact-card,
.contact-form {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.hero-card {
    padding: 1.6rem;
}

.card-label {
    margin: 0 0 1rem;
    color: var(--accent-deep);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.8rem;
}

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

.stat-grid article {
    padding: 1.1rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
}

.stat-grid strong {
    display: block;
    font-size: 1.4rem;
    margin-bottom: 0.3rem;
}

.section {
    padding: 2rem 0 5rem;
}

.section::before {
    top: 1rem;
    right: 2%;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(191, 122, 43, 0.08);
    filter: blur(8px);
}

.section-heading {
    display: grid;
    gap: 0.85rem;
    margin-bottom: 2rem;
}

.mission-layout,
.join-layout,
.contact-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.mission-text {
    margin: 0;
    font-size: 1.08rem;
    padding: 1.5rem 1.7rem;
    border-left: 4px solid var(--accent-warm);
    background: rgba(255, 255, 255, 0.5);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.pillars,
.about-grid,
.schedule {
    display: grid;
    gap: 1rem;
}

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

.pillars article,
.join-steps article {
    padding: 1.35rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.66);
}

.about-grid,
.schedule {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.event-card,
.join-card,
.contact-card,
.contact-form {
    padding: 1.5rem;
}

.event-card {
    position: relative;
    overflow: hidden;
}

.event-card::after {
    content: "";
    position: absolute;
    inset: auto -20% -28% auto;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(30, 106, 82, 0.08);
}

.event-date {
    display: inline-flex;
    padding: 0.45rem 0.7rem;
    margin: 0 0 0.9rem;
    border-radius: 999px;
    color: var(--accent-deep);
    background: rgba(30, 106, 82, 0.11);
    font-weight: 800;
}

.event-meta {
    margin-top: 0.75rem;
    font-weight: 700;
}

.join-steps {
    display: grid;
    gap: 1rem;
}

.join-steps article {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 1rem;
    align-items: start;
}

.join-steps span {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-warm));
    font-weight: 800;
}

.join-card ul {
    padding-left: 1.1rem;
    margin: 1rem 0 1.4rem;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.contact-form label {
    display: grid;
    gap: 0.45rem;
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(31, 43, 36, 0.14);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid rgba(30, 106, 82, 0.2);
    border-color: rgba(30, 106, 82, 0.32);
}

.form-note {
    margin: 0;
    font-size: 0.92rem;
}

.form-status {
    min-height: 1.5rem;
    margin: 0;
    color: var(--accent-deep);
    font-weight: 700;
}

.site-footer {
    padding: 0 0 2.5rem;
    color: var(--muted);
    text-align: center;
}

.admin-body {
    min-height: 100vh;
}

.admin-login-shell {
    width: var(--container);
    min-height: 100vh;
    display: grid;
    place-items: center;
    margin: 0 auto;
    padding: 2rem 0;
}

.admin-login-card {
    width: min(100%, 540px);
    padding: 2rem;
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.admin-login-form {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.login-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.admin-login-form label {
    display: grid;
    gap: 0.45rem;
    font-weight: 700;
}

.admin-login-form input {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(31, 43, 36, 0.14);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
}

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

.admin-hero {
    padding: 1.25rem 0 2rem;
}

.admin-topbar,
.admin-status-card,
.admin-panel {
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.2rem;
}

.admin-topbar-actions,
.admin-panel-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.admin-intro {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 1.5rem;
    padding-top: 1.5rem;
    align-items: start;
}

.admin-intro h1 {
    max-width: 14ch;
    font-size: clamp(2.2rem, 4vw, 3.3rem);
    line-height: 1.02;
}

.admin-panel h2,
.admin-login-card h1 {
    max-width: 18ch;
    font-size: clamp(1.7rem, 2.8vw, 2.35rem);
    line-height: 1.08;
}

.admin-panel-heading .eyebrow,
.admin-login-card .eyebrow {
    font-size: 0.76rem;
}

.admin-fields label,
.repeat-card label,
.admin-login-form label {
    font-size: 0.95rem;
}

.admin-status-card p,
.admin-panel .form-note,
.admin-login-card .hero-text {
    font-size: 0.97rem;
}

.admin-status-card {
    padding: 1.4rem;
}

.admin-status {
    min-height: 2.5rem;
    margin-bottom: 0;
    color: var(--accent-deep);
    font-weight: 700;
}

.admin-main {
    padding-bottom: 3rem;
}

.admin-grid {
    display: grid;
    gap: 1.25rem;
}

.admin-panel {
    padding: 1.5rem;
}

.admin-panel-heading {
    display: grid;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
}

.admin-fields,
.admin-repeat-grid {
    display: grid;
    gap: 1rem;
}

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

.admin-fields label,
.repeat-card label {
    display: grid;
    gap: 0.45rem;
    font-weight: 700;
}

.admin-fields input,
.admin-fields textarea,
.repeat-card input,
.repeat-card textarea {
    width: 100%;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(31, 43, 36, 0.14);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
}

.repeat-card {
    padding: 1.2rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.62);
}

.repeat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.repeat-card-header h3 {
    font-family: "Manrope", sans-serif;
    font-size: 1rem;
    line-height: 1.3;
}

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

.button-danger {
    background: rgba(155, 42, 42, 0.1);
    border-color: rgba(155, 42, 42, 0.22);
    color: #8b2b2b;
}

@media (max-width: 960px) {
    .hero-content,
    .mission-layout,
    .join-layout,
    .contact-layout,
    .admin-intro,
    .about-grid,
    .schedule {
        grid-template-columns: 1fr;
    }

    h1 {
        max-width: 14ch;
        font-size: clamp(2.5rem, 5.4vw, 4.2rem);
    }

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

@media (max-width: 760px) {
    .site-nav {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        border-radius: 28px;
        padding: 1rem;
    }

    .menu-toggle {
        display: inline-block;
        flex-shrink: 0;
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
        position: relative;
        z-index: 2;
    }

    .nav-links {
        position: absolute;
        left: 1rem;
        right: 1rem;
        top: calc(100% + 0.6rem);
        display: grid;
        gap: 0.4rem;
        padding: 0.8rem;
        border-radius: 24px;
        background: var(--surface-strong);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    }

    .nav-utility {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
        padding-right: 3.55rem;
        position: relative;
        z-index: 2;
    }

    .brand {
        padding-right: 0.5rem;
    }

    .brand-text strong {
        font-size: 0.96rem;
        white-space: normal;
    }

    .brand-text span {
        font-size: 0.76rem;
        max-width: 20ch;
    }

    .lang-switch {
        gap: 0.2rem;
        padding: 0.2rem;
    }

    .lang-button {
        min-height: 2rem;
        padding: 0.35rem 0.55rem;
        font-size: 0.8rem;
    }

    .site-nav.menu-open .nav-links {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

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

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

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

    .hero {
        padding-top: 1rem;
    }

    .hero-content {
        padding-top: 2.5rem;
    }

    h1 {
        max-width: 10ch;
        font-size: clamp(2.2rem, 11vw, 3.5rem);
        line-height: 0.98;
    }

    .pillars,
    .stat-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 1.5rem 0 4rem;
    }

    .admin-topbar,
    .admin-fields,
    .repeat-card-grid {
        grid-template-columns: 1fr;
    }

    .admin-topbar {
        display: grid;
    }
}

@media (max-width: 520px) {
    :root {
        --container: min(100% - 1.2rem, 1120px);
    }

    h1 {
        font-size: clamp(2rem, 10.8vw, 3.1rem);
    }

    h2 {
        font-size: clamp(1.7rem, 8.5vw, 2.5rem);
    }

    .brand-text span {
        display: none;
    }

    .brand-mark {
        width: 2.7rem;
        height: 2.7rem;
        min-width: 2.7rem;
        min-height: 2.7rem;
        flex-basis: 2.7rem;
    }

    .brand-text strong {
        font-size: 0.92rem;
    }

    .nav-utility {
        padding-right: 3.3rem;
    }

    .lang-button {
        min-height: 1.9rem;
        padding: 0.3rem 0.5rem;
        font-size: 0.76rem;
    }

    .hero-card,
    .info-card,
    .event-card,
    .join-card,
    .contact-card,
    .contact-form {
        padding: 1.2rem;
    }

    .hero-actions .button,
    .join-card .button,
    .contact-form .button {
        width: 100%;
    }

    .login-topline {
        align-items: flex-start;
        flex-direction: column;
    }
}