@import url('https://fonts.loli.net/css2?family=Playfair+Display:wght@400;500;600&family=Noto+Sans+SC:wght@400;500;600&display=swap');

:root {
    --cream: #e8e0d5;
    --cream-light: #f5f1eb;
    --brown: #3d3a35;
    --brown-light: #5a5650;
    --orange: #e07b39;
    --green-dark: #3d4a3d;
    --border: #c4bdb3;
    --white: #ffffff;
}

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

body {
    font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--brown);
    color: var(--brown);
    line-height: 1.6;
    min-height: 100vh;
    padding: 2rem;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    background: var(--cream);
    border: 1px solid var(--border);
    position: relative;
}

/* Decorative Pattern */
.container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            var(--border) 10px,
            var(--border) 11px
        );
    opacity: 0.5;
    pointer-events: none;
}

/* Header */
header {
    padding: 3rem 3rem 2rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.logo {
    font-family: "Playfair Display", serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--brown);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav a {
    color: var(--brown-light);
    text-decoration: none;
    transition: color 0.2s;
}

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

.title-section {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: end;
}

.title-section.single-column {
    grid-template-columns: 1fr;
    min-height: 149px;
}

.title-main h1 {
    font-family: "Playfair Display", serif;
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--brown);
}

.title-main h1 .accent {
    color: var(--orange);
    display: inline-block;
    font-size: 0.64em;
    position: relative;
    top: -0.8em;
    margin-left: 10px;
}

.title-main .subtitle {
    font-size: 0.95rem;
    color: var(--brown-light);
    margin-top: 1.5rem;
    max-width: 400px;
    line-height: 1.8;
}

.stats-box {
    border: 1px solid var(--border);
    padding: 1rem 1.5rem;
    background: var(--cream-light);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-icon {
    width: 20px;
    color: var(--brown-light);
    font-size: 0.65rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.stat-value {
    font-weight: 500;
}

/* Main Content */
main {
    display: flex;
    flex-direction: column;
}

/* Section Card */
.section-card {
    border-bottom: 1px solid var(--border);
}

.section-card:last-child {
    border-bottom: none;
}

.section-header {
    padding: 0.6rem 3rem;
    border-bottom: 1px solid var(--border);
    background: var(--cream-light);
}

.section-name {
    font-family: "Playfair Display", serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--brown-light);
    letter-spacing: 0.05em;
}

.section-body {
    padding: 0;
}

.badge {
    font-size: 0.55rem;
    padding: 0.1rem 0.4rem;
    border: 1px solid var(--border);
    letter-spacing: 0.02em;
    font-weight: 400;
    color: var(--brown-light);
    background: transparent;
}

.badge.android {
    border-color: var(--border);
    color: var(--brown-light);
}

.badge.ios {
    border-color: var(--border);
    color: var(--brown-light);
}

.source-badges {
    display: flex;
    gap: 0.3rem;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.2rem 3rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease;
}

.source-item:last-child {
    border-bottom: none;
}

.source-item:hover {
    background: rgba(61, 58, 53, 0.02);
}

.source-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.source-title-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.source-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.source-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--brown);
    letter-spacing: 0.01em;
}

.source-count {
    font-size: 0.75rem;
    color: var(--brown-light);
}

/* Button - 参考风格：描边文字 + 深色图标块 */
.copy-btn {
    display: flex;
    align-items: stretch;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background: none;
    padding: 0;
    min-width: 90px;
}

.copy-btn-text {
    padding: 0.5rem 0.9rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--brown);
    border: 1px solid var(--brown);
    border-right: none;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex: 1;
}

.copy-btn-icon {
    width: 32px;
    background: var(--brown);
    color: var(--cream-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 300;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.copy-btn:hover .copy-btn-text {
    background: rgba(61, 58, 53, 0.05);
}

.copy-btn:hover .copy-btn-icon {
    background: var(--orange);
}

.copy-btn:active {
    transform: scale(0.98);
}

/* 复制成功状态 */
.copy-btn.copied .copy-btn-text {
    background: var(--orange);
    border-color: var(--orange);
    color: var(--white);
    border-right: 1px solid var(--orange);
}

.copy-btn.copied .copy-btn-icon {
    display: none;
}

/* Footer */
footer {
    padding: 2rem 3rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--cream-light);
}

.footer-left {
    font-size: 0.8rem;
    color: var(--brown-light);
}

.footer-left a {
    color: var(--brown);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: border-color 0.2s;
}

.footer-left a:hover {
    border-color: var(--brown);
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.75rem;
    color: var(--brown-light);
    letter-spacing: 0.05em;
}

.footer-right a {
    color: var(--brown);
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.2s;
}

.footer-right a:hover {
    color: var(--orange);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--brown);
    color: var(--cream);
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    header {
        padding: 2rem 1.5rem;
    }

    .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .nav {
        gap: 1rem;
        font-size: 0.7rem;
    }

    .title-section {
        grid-template-columns: 1fr;
    }

    .title-main h1 {
        font-size: 2.5rem;
    }

    .stats-box {
        margin-top: 1.5rem;
    }

    main {
        grid-template-columns: 1fr;
    }

    .platform-card {
        border-right: none !important;
    }

    .platform-card:nth-last-child(-n+2) {
        border-bottom: 1px solid var(--border);
    }

    .platform-card:last-child {
        border-bottom: none;
        grid-column: auto;
    }

    footer {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1.5rem;
    }

    .container::before {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 480px) {
    .title-main h1 {
        font-size: 2rem;
    }

    .source-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem 1.5rem;
    }

    .source-info::before {
        display: none;
    }

    .copy-btn {
        width: 100%;
    }

    .copy-btn-text {
        flex: 1;
        justify-content: center;
    }
}

/* ==================== 投稿页面样式 ==================== */

/* 投稿页面 Header */
.submit-header {
    padding: 3rem 3rem 2rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.submit-title {
    display: block;
}

.submit-title .title-main {
    max-width: 100%;
}

.submit-title .subtitle {
    max-width: 500px;
}

/* 投稿表单主体 */
.submit-main {
    padding: 2rem 3rem;
}

.submit-form {
    background: var(--cream-light);
    border: 1px solid var(--border);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* 表单组 */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group:last-of-type {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--brown);
    margin-bottom: 0.5rem;
}

.form-label .required {
    color: var(--orange);
}

.form-label .optional {
    color: var(--brown-light);
    font-weight: 400;
    font-size: 0.75rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--brown);
    background: var(--white);
    border: 1px solid var(--border);
    outline: none;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    border-color: var(--brown);
}

.form-input::placeholder {
    color: var(--brown-light);
    opacity: 0.6;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--brown-light);
    margin-top: 0.4rem;
}

/* 分隔线 */
.form-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--brown-light);
    font-size: 0.8rem;
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.form-divider span {
    padding: 0 1rem;
}

/* 文件上传 */
.file-upload {
    position: relative;
}

.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.file-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--white);
    border: 1px dashed var(--border);
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.file-label:hover {
    border-color: var(--brown);
}

.file-text {
    padding: 0.4rem 0.8rem;
    background: var(--cream);
    border: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--brown);
}

.file-name {
    font-size: 0.8rem;
    color: var(--brown-light);
}

.file-name.has-file {
    color: var(--brown);
    font-weight: 500;
}

/* 表单操作 */
.form-actions {
    margin-top: 2rem;
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.85rem 2rem;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: inherit;
    letter-spacing: 0.05em;
    color: var(--white);
    background: var(--brown);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.submit-btn:hover {
    background: var(--orange);
}

.submit-btn:active {
    transform: scale(0.98);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 提交结果 */
.submit-result {
    margin-top: 1.5rem;
    padding: 1rem;
    font-size: 0.85rem;
}

.submit-result.success {
    background: rgba(61, 74, 61, 0.1);
    border: 1px solid var(--green-dark);
    color: var(--green-dark);
}

.submit-result.success a {
    color: var(--green-dark);
    font-weight: 500;
}

.submit-result.error {
    background: rgba(224, 123, 57, 0.1);
    border: 1px solid var(--orange);
    color: var(--orange);
}

/* 提交须知 */
.submit-notice {
    padding: 1.5rem;
    background: var(--cream-light);
    border: 1px solid var(--border);
}

.submit-notice h3 {
    font-family: "Playfair Display", serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--brown);
    margin-bottom: 1rem;
}

.submit-notice ul {
    list-style: none;
}

.submit-notice li {
    position: relative;
    padding-left: 1rem;
    font-size: 0.8rem;
    color: var(--brown-light);
    line-height: 1.8;
}

.submit-notice li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--orange);
}

/* 投稿页面响应式 */
@media (max-width: 768px) {
    .submit-header {
        padding: 2rem 1.5rem;
    }

    .submit-main {
        padding: 1.5rem;
    }

    .submit-form {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .submit-form {
        padding: 1rem;
    }

    .file-label {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}