:root {
    --bg: #f3f1ec;
    --card: #ffffff;
    --line: #e4ddd2;
    --text: #1d2a22;
    --muted: #647067;
    --green: #27684b;
    --green-dark: #184631;
    --danger: #b64646;
    --shadow: 0 14px 30px rgba(21, 42, 30, 0.08);
    --radius: 24px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    color: var(--text);
    background: var(--bg);
}

img {
    display: block;
    max-width: 100%;
}

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

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

.container,
.admin-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 40px;
}

.hero,
.admin-header,
.admin-panel,
.trip-card,
.login-card,
.trip-intro,
.page-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero,
.admin-header {
    padding: 24px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 24px;
}

.eyebrow {
    margin: 0 0 8px;
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--green);
    text-transform: uppercase;
}

h1,
h2,
p {
    margin: 0;
}

h1 {
    font-size: 32px;
    line-height: 1.2;
}

h2 {
    font-size: 22px;
    line-height: 1.3;
}

.hero-text {
    margin-top: 10px;
    color: var(--muted);
    line-height: 1.7;
}

.hero-text.compact {
    max-width: 720px;
}

.toolbar,
.inline-actions,
.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.button {
    appearance: none;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 14px;
    cursor: pointer;
    transition: 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
}

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

.button.small {
    padding: 8px 14px;
    font-size: 13px;
}

.button.full {
    width: 100%;
    justify-content: center;
}

.button.danger {
    border-color: #efc9c9;
    color: var(--danger);
}

.trip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.trip-card {
    overflow: hidden;
}

.trip-card-media {
    aspect-ratio: 4 / 5;
    background: #ece7dd;
}

.trip-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trip-card-content {
    padding: 18px;
}

.trip-subtitle,
.trip-summary,
.helper-text {
    color: var(--muted);
}

.trip-subtitle {
    margin-top: 6px;
}

.trip-summary {
    margin: 12px 0 18px;
    line-height: 1.7;
}

.login-card {
    width: min(480px, calc(100% - 24px));
    margin: 72px auto;
    padding: 28px;
}

.stack-form,
.section-header {
    display: grid;
    gap: 16px;
}

.stack-form label,
.form-grid label {
    display: grid;
    gap: 8px;
    font-size: 14px;
}

input[type="text"],
input[type="password"],
input[type="file"],
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px 14px;
    background: #fff;
    font: inherit;
}

textarea {
    resize: vertical;
}

.alert {
    padding: 14px 16px;
    border-radius: 16px;
    margin-bottom: 18px;
}

.alert.success {
    background: #ebf7f0;
    color: var(--green-dark);
}

.alert.error {
    background: #fff1f1;
    color: var(--danger);
}

.admin-panel {
    padding: 24px;
    margin-bottom: 24px;
}

.form-grid {
    display: grid;
    gap: 16px;
}

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

.admin-page-card {
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 18px;
    display: grid;
    gap: 16px;
}

.admin-page-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}

.page-thumb {
    border-radius: 18px;
    overflow: hidden;
    background: #efe9df;
}

.page-thumb img {
    width: 100%;
    height: auto;
}

.checkbox-row {
    display: flex !important;
    align-items: center;
    gap: 10px;
}

.checkbox-row input {
    width: 18px;
    height: 18px;
}

.phone-body {
    background: linear-gradient(180deg, #efe9df 0%, #f8f7f3 100%);
}

.phone-shell {
    width: min(430px, 100%);
    margin: 0 auto;
    padding: 16px 12px 32px;
}

.phone-topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: grid;
    gap: 14px;
    padding: 18px 16px;
    margin-bottom: 12px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.trip-intro {
    padding: 16px;
    margin-bottom: 14px;
    line-height: 1.7;
}

.page-stack {
    display: grid;
    gap: 16px;
}

.page-card {
    padding: 12px;
}

.page-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 4px 4px 12px;
}

.page-card-header p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.page-image-wrap {
    overflow: hidden;
    border-radius: 22px;
    background: #f1ece5;
}

.page-image {
    width: 100%;
    height: auto;
}

@media (max-width: 860px) {
    .hero,
    .admin-header,
    .admin-page-head,
    .page-card-header {
        grid-template-columns: 1fr;
        display: grid;
    }

    .form-grid.two {
        grid-template-columns: 1fr;
    }

    .container,
    .admin-shell {
        width: min(100% - 24px, 1180px);
        padding-top: 12px;
    }

    h1 {
        font-size: 26px;
    }
}