/**
 * 投稿系统样式
 */

:root {
    --primary-color: #0e2a47;
    --primary-hover: #081d33;
    --gold: #c9a24b;
    --gold-bright: #e0bd6a;
    --success-color: #28a745;
    --error-color: #dc3545;
    --text-color: #26313f;
    --text-light: #66727f;
    --border-color: #e4e0d6;
    --bg-light: #f7f5f0;
    --shadow: 0 10px 30px rgba(8, 29, 51, 0.10);
    --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", Georgia, "Times New Roman", serif;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
    padding: 30px;
    text-align: center;
    position: relative;
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 5px;
}

header .subtitle {
    opacity: 0.9;
    font-size: 0.95rem;
}

.back-link {
    position: absolute;
    top: 15px;
    left: 20px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #fff;
}

/* Messages */
.message {
    padding: 15px 20px;
    margin: 0;
    font-weight: 500;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border-bottom: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border-bottom: 1px solid #f5c6cb;
}

/* Intro Text (期刊简介段落) */
.intro-text {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--border-color);
}

.intro-text p {
    margin-bottom: 12px;
    line-height: 1.9;
    text-indent: 2em;
    text-align: justify;
    color: var(--text-color);
}

.intro-text p:last-child {
    margin-bottom: 0;
}

/* Guidelines */
.guidelines {
    background-color: var(--bg-light);
    padding: 25px 30px;
    border-bottom: 1px solid var(--border-color);
}

.guidelines h2 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
    padding-left: 12px;
}

.guidelines h3 {
    font-size: 1rem;
    margin: 20px 0 12px 0;
    color: var(--primary-color);
    font-weight: 600;
}

.guidelines p {
    margin-bottom: 10px;
    line-height: 1.8;
    text-align: justify;
}

.guidelines > ul,
.guidelines > ol {
    padding-left: 25px;
    margin-bottom: 15px;
}

.guidelines > ul > li,
.guidelines > ol > li {
    padding: 6px 0;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.7;
}

.guidelines ul ul,
.guidelines ol ul {
    margin-top: 8px;
    margin-bottom: 8px;
    padding-left: 20px;
}

.guidelines ul ul li,
.guidelines ol ul li {
    padding: 3px 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Info Table */
.info-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.9rem;
}

.info-table td {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
}

.info-table td:first-child {
    background-color: #fff;
    font-weight: 500;
    width: 30%;
    color: var(--text-color);
}

.info-table td:last-child {
    background-color: #fff;
}

.info-table a {
    color: var(--primary-color);
    text-decoration: none;
}

.info-table a:hover {
    text-decoration: underline;
}

/* Download Section */
.download-section {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
    text-align: center;
}

.btn-download {
    display: inline-block;
    background: linear-gradient(135deg, #28a745, #20863d);
    color: #fff;
    padding: 14px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-download:hover {
    background: linear-gradient(135deg, #20863d, #186a2e);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-download::before {
    content: "\2193  ";
}

/* English Version */
.english-version {
    background-color: #fff;
}

.english-version h2 {
    color: var(--primary-color);
}

.english-version p {
    text-indent: 0;
}

.english-version em {
    font-style: italic;
}

/* Form */
form {
    padding: 30px;
    background-color: #fff;
}

.form-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 20px;
}

.form-section h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-group.half {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.required {
    color: var(--error-color);
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: #aaa;
}

small {
    display: block;
    margin-top: 5px;
    color: var(--text-light);
    font-size: 0.85rem;
}

/* File Upload */
.file-upload-wrapper {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.file-upload-wrapper:hover,
.file-upload-wrapper.dragover {
    border-color: var(--primary-color);
    background-color: rgba(44, 90, 160, 0.02);
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-text {
    pointer-events: none;
}

.upload-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 10px;
}

.file-upload-text span {
    display: block;
    color: var(--text-color);
    margin-bottom: 5px;
}

.file-upload-text small {
    color: var(--text-light);
}

.file-name {
    margin-top: 10px;
    color: var(--success-color);
    font-weight: 500;
}

/* Checkbox */
.checkbox-group label {
    display: flex;
    align-items: flex-start;
    font-weight: normal;
    cursor: pointer;
    line-height: 1.5;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
    margin-top: 4px;
    flex-shrink: 0;
}

/* Captcha */
.captcha-group {
    margin-top: 20px;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 15px;
}

.captcha-question {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 6px;
    min-width: 140px;
    letter-spacing: 2px;
    user-select: none;
}

.captcha-group input[type="text"] {
    flex: 1;
    max-width: 150px;
    text-align: center;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

/* Buttons */
.form-actions {
    display: flex;
    gap: 15px;
    padding-top: 10px;
}

.btn-submit,
.btn-reset {
    padding: 14px 30px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-submit {
    background-color: var(--primary-color);
    color: #fff;
    flex: 1;
}

.btn-submit:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.3);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-reset {
    background-color: #fff;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-reset:hover {
    background-color: var(--bg-light);
}

/* Footer */
footer {
    background-color: var(--bg-light);
    padding: 20px 30px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

footer p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    .container {
        border-radius: 0;
    }

    header {
        padding: 20px;
    }

    header h1 {
        font-size: 1.4rem;
    }

    .back-link {
        position: static;
        display: block;
        margin-top: 15px;
    }

    form {
        padding: 20px;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn-submit,
    .btn-reset {
        width: 100%;
    }
}


/* ==========================================================================
   ECATCCA 主题风格统一覆盖（藏青 + 金）
   ========================================================================== */

header {
    background: linear-gradient(150deg, var(--primary-hover), var(--primary-color) 60%, #16395e);
    border-bottom: 3px solid var(--gold);
    padding: 44px 30px 40px;
}

header h1 {
    font-family: var(--serif);
    letter-spacing: 2px;
}

header .subtitle {
    font-family: var(--serif);
    letter-spacing: 1px;
    color: var(--gold-bright);
    opacity: 1;
}

.back-link:hover {
    color: var(--gold-bright);
}

.guidelines h2,
.form-section h3 {
    font-family: var(--serif);
    color: var(--primary-color);
}

.guidelines h3 {
    color: var(--primary-color);
}

.info-table td:first-child {
    color: var(--primary-color);
    font-weight: 600;
}

a {
    color: var(--primary-color);
}

a:hover {
    color: var(--gold);
}

.btn-download {
    background: var(--primary-color);
    border-radius: 3px;
    letter-spacing: .5px;
}

.btn-download:hover {
    background: var(--gold);
    color: var(--primary-hover);
}

.btn-submit,
.btn-reset {
    border-radius: 3px;
    letter-spacing: 1px;
    font-weight: 600;
}

.btn-submit {
    background: var(--gold);
    color: var(--primary-hover);
}

.btn-submit:hover:not(:disabled) {
    background: var(--gold-bright);
    color: var(--primary-hover);
}

.btn-reset {
    border-color: var(--border-color);
    color: var(--text-light);
}

.file-upload-wrapper {
    border-color: var(--border-color);
}

.file-upload-wrapper:hover,
.file-upload-wrapper.dragover {
    border-color: var(--gold);
    background: #fdfaf3;
}

.captcha-question {
    font-family: var(--serif);
    color: var(--primary-color);
}

footer {
    background: var(--primary-hover);
    color: rgba(255, 255, 255, 0.6);
}

footer a {
    color: var(--gold-bright);
}

.brand-line {
    font-size: 12.5px;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 14px;
    text-transform: uppercase;
}