:root {
    color-scheme: light;
    --bg: #f6f3ee;
    --surface: #ffffff;
    --surface-muted: #ebe5dc;
    --ink: #202124;
    --ink-soft: #555b61;
    --line: #d8d0c5;
    --accent: #1f5f55;
    --accent-dark: #17483f;
    --accent-soft: #dce9e4;
    --gold: #a97d32;
    --shadow: 0 18px 48px rgba(30, 37, 42, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
}

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

p,
h1,
h2,
h3 {
    margin-top: 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px clamp(20px, 5vw, 64px);
    background: rgba(246, 243, 238, 0.92);
    border-bottom: 1px solid rgba(216, 208, 197, 0.72);
    backdrop-filter: blur(14px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: max-content;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    color: #fff;
    background: var(--accent);
    border-radius: 8px;
    font-weight: 700;
}

.brand strong,
.brand small {
    display: block;
}

.brand small {
    color: var(--ink-soft);
    font-size: 12px;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.site-nav a {
    min-height: 36px;
    padding: 6px 10px;
    border-radius: 7px;
    color: var(--ink-soft);
    font-size: 14px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--accent-dark);
    background: var(--accent-soft);
    outline: none;
}

.hero,
.section,
.workspace,
.auth-shell {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 32px;
    align-items: stretch;
    min-height: calc(100vh - 80px);
    padding: clamp(56px, 8vw, 96px) 0 48px;
}

.hero-copy,
.hero-panel,
.info-card,
.notice-box,
.contact-panel,
.auth-card,
.auth-aside,
.dashboard-card,
.security-banner {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.hero-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(28px, 5vw, 64px);
}

.eyebrow,
.card-kicker {
    margin-bottom: 10px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1 {
    margin-bottom: 18px;
    font-size: clamp(36px, 6vw, 66px);
    line-height: 1.08;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 14px;
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.18;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 8px;
    font-size: 20px;
    line-height: 1.28;
    letter-spacing: 0;
}

.hero-lede,
.section-heading p,
.info-card p,
.timeline p,
.feature-list p,
.notice-box p,
.contact-panel p,
.auth-card p,
.auth-aside li,
.dashboard-card p,
.workspace-hero p {
    color: var(--ink-soft);
}

.hero-lede {
    max-width: 680px;
    margin-bottom: 28px;
    font-size: 19px;
}

.hero-actions,
.contact-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.button,
button.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 18px;
    border: 1px solid var(--accent);
    border-radius: 7px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

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

.button.primary:hover,
.button.primary:focus-visible {
    background: var(--accent-dark);
}

.button.secondary {
    color: var(--accent-dark);
    background: var(--accent-soft);
}

.button.unavailable {
    cursor: not-allowed;
    opacity: 0.72;
}

.hero-panel {
    align-self: center;
    padding: 28px;
}

.status-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.status-list li {
    padding-left: 18px;
    border-left: 3px solid var(--accent);
}

.section {
    padding: 76px 0;
}

.section.muted {
    width: 100%;
    max-width: none;
    padding-right: max(20px, calc((100vw - 1120px) / 2));
    padding-left: max(20px, calc((100vw - 1120px) / 2));
    background: var(--surface-muted);
}

.section.compact {
    padding-bottom: 56px;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 28px;
}

.profile-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
    gap: 28px;
    align-items: start;
}

.profile-layout .section-heading {
    margin-bottom: 0;
}

.profile-layout .section-heading p {
    margin-bottom: 14px;
}

.profile-card {
    padding: 26px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.fact-list {
    display: grid;
    gap: 14px;
    margin: 0;
}

.fact-list div {
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}

.fact-list div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.fact-list dt {
    margin-bottom: 4px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
}

.fact-list dd {
    margin: 0;
    color: var(--ink);
}

.text-link {
    display: inline-flex;
    color: var(--accent-dark);
    font-weight: 800;
    border-bottom: 1px solid currentColor;
}

.card-grid {
    display: grid;
    gap: 18px;
}

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

.info-card,
.dashboard-card {
    padding: 24px;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.timeline article {
    padding: 20px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(216, 208, 197, 0.9);
    border-radius: 8px;
}

.timeline span {
    display: inline-flex;
    margin-bottom: 18px;
    color: var(--accent-dark);
    font-weight: 800;
}

.feature-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 24px;
    align-items: start;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.feature-list article {
    padding: 0 0 18px;
    border-bottom: 1px solid var(--line);
}

.notice-box,
.contact-panel {
    padding: 26px;
}

.contact-panel {
    justify-content: space-between;
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    padding: 28px clamp(20px, 5vw, 64px);
    color: var(--ink-soft);
    border-top: 1px solid var(--line);
}

.site-footer p {
    margin: 0;
}

.site-footer a {
    color: var(--accent-dark);
    font-weight: 700;
}

.auth-page {
    min-height: 100vh;
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
    gap: 24px;
    align-items: start;
    padding: clamp(44px, 8vw, 92px) 0;
}

.auth-card,
.auth-aside {
    padding: clamp(24px, 4vw, 42px);
}

.login-form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.login-form label {
    display: grid;
    gap: 6px;
    color: var(--ink);
    font-weight: 700;
}

.login-form input {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 7px;
    color: var(--ink);
    background: #fff;
    font: inherit;
}

.form-note {
    margin: 18px 0 0;
    font-size: 14px;
}

.workspace {
    padding: 48px 0 76px;
}

.workspace-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.45fr);
    gap: 24px;
    align-items: center;
    margin-bottom: 28px;
}

.security-banner {
    padding: 24px;
    color: var(--accent-dark);
    font-weight: 800;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.placeholder-row {
    margin-top: 18px;
    padding: 12px;
    color: var(--ink-soft);
    background: var(--bg);
    border: 1px dashed var(--line);
    border-radius: 7px;
    font-size: 14px;
}

@media (max-width: 900px) {
    .site-header,
    .hero,
    .profile-layout,
    .feature-layout,
    .auth-shell,
    .workspace-hero {
        grid-template-columns: 1fr;
    }

    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        justify-content: flex-start;
    }

    .hero {
        min-height: auto;
    }

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

@media (max-width: 640px) {
    .hero,
    .section,
    .workspace,
    .auth-shell {
        width: min(100% - 28px, 1120px);
    }

    .site-header {
        padding: 14px;
    }

    .site-nav a {
        padding: 6px 8px;
        font-size: 13px;
    }

    .hero-copy,
    .hero-panel,
    .profile-card,
    .notice-box,
    .contact-panel,
    .auth-card,
    .auth-aside,
    .dashboard-card {
        padding: 20px;
    }

    .card-grid.three,
    .timeline,
    .feature-list,
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .button,
    button.button {
        width: 100%;
    }
}