/* 全局變量 */
:root {
    --black: #000000;
    --dark-gray: #222222;
    --medium-gray: #555555;
    --light-gray: #DDDDDD;
    --off-white: #F8F8F8;
    --white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow-subtle: 0 2px 10px rgba(0, 0, 0, 0.04);
    --shadow-medium: 0 5px 15px rgba(0, 0, 0, 0.07);
    --transition-standard: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --primary-color: #4a6bdf;
    --primary-hover: #6c7ae0;
    --secondary-color: #454545;
    --background-color: #f7f9fc;
    --card-background: #ffffff;
    --text-color: #333333;
    --error-color: #e74c3c;
    --success-color: #27ae60;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #6c7ae0;
        --primary-hover: #8a95e5;
        --secondary-color: #a0a0a0;
        --background-color: #1a1a1a;
        --card-background: #2d2d2d;
        --text-color: #f0f0f0;
        --border-color: #444444;
        --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }
}

/* 基本元素 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--white);
    color: var(--dark-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: opacity 0.3s ease;
}

/* 語言切換過渡動畫 */
body.language-transition {
    opacity: 0.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 排版 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--black);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5em;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--medium-gray);
}

a {
    color: var(--black);
    text-decoration: none;
    transition: var(--transition-standard);
}

/* 標頭區域 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    margin-bottom: 0;
    border-bottom: 1px solid var(--light-gray);
}

header .logo-container {
    display: flex;
    align-items: center;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--black);
    margin: 0;
}

header p {
    font-size: 1rem;
    color: var(--medium-gray);
    margin: 0 0 0 10px;
}

header nav a {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-weight: 500;
    background-color: transparent;
    color: var(--black);
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-size: 0.9rem;
    transition: var(--transition-standard);
}

header nav a:hover {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
    transform: translateY(-2px);
}

header nav a i {
    margin-right: 0.5rem;
}

/* 語言切換按鈕 */
.lang-toggle {
    margin-left: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    /* 固定寬度，更精簡 */
    height: 36px;
    /* 固定高度，成為圓形按鈕 */
    padding: 0;
    /* 移除內邊距 */
    font-weight: 500;
    background-color: var(--off-white);
    color: var(--black);
    border: 1px solid var(--light-gray);
    border-radius: 50%;
    /* 圓形按鈕 */
    font-size: 0.8rem;
    transition: var(--transition-standard);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.lang-toggle::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--black);
    z-index: -1;
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s ease;
}

.lang-toggle:hover {
    color: var(--white);
    border-color: var(--black);
    transform: translateY(-2px);
}

.lang-toggle:hover::before {
    transform: scale(1);
}

.lang-toggle i {
    display: none;
    /* 隱藏圖標，只顯示文字 */
}

/* 主要內容 */
main {
    padding: 0;
    margin-bottom: 3rem;
}

/* 表單容器 */
.form-container {
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition-standard);
}

.form-container:hover {
    box-shadow: var(--shadow-subtle);
}

/* 表單樣式 */
.form-group {
    margin-bottom: 1.5rem;
}

.label-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

label {
    display: block;
    font-weight: 500;
    color: var(--black);
}

.external-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
    font-size: 0.9rem;
    transition: var(--transition-standard);
    border-bottom: none;
}

.external-link:hover {
    color: var(--black);
    transform: translateY(-1px);
}

.external-link i {
    margin-right: 0.3rem;
}

input,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--dark-gray);
    background-color: var(--white);
    transition: var(--transition-standard);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

input[type="password"] {
    letter-spacing: 0.1em;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.info-text {
    display: block;
    font-size: 0.85rem;
    color: var(--medium-gray);
    margin-top: 0.5rem;
}

button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    background-color: var(--black);
    color: var(--white);
    border: none;
    border-radius: 4px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-standard);
}

button:hover {
    background-color: var(--dark-gray);
    transform: translateY(-2px);
}

button:disabled {
    background-color: var(--light-gray);
    color: var(--medium-gray);
    cursor: not-allowed;
    transform: none;
}

/* 結果容器 */
.form-data-container,
.result-container {
    background-color: var(--off-white);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.hidden {
    display: none;
}

pre {
    background-color: var(--white);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--light-gray);
    font-family: 'SF Mono', Consolas, Monaco, monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
    max-height: 400px;
    white-space: pre-wrap;
}

.result p {
    margin-bottom: 1rem;
}

.result a {
    display: inline-block;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
    color: var(--black);
    border-bottom: 1px solid var(--medium-gray);
    word-break: break-all;
}

.result a:hover {
    border-color: var(--black);
}

#copyLinkBtn {
    background-color: var(--off-white);
    color: var(--black);
    border: 1px solid var(--light-gray);
}

#copyLinkBtn:hover {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
}

/* 載入動畫 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    text-align: center;
    padding: 2rem;
}

.spinner {
    display: inline-block;
    width: 60px;
    height: 60px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--black);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 廣告容器 */
.ad-container {
    width: 100%;
    overflow: hidden;
    margin: 0.5rem 0;
    text-align: center;
    clear: both;
}

.ad-container-header {
    margin: 0.5rem 0;
    max-height: 90px;
}

.ad-container-sidebar {
    padding: 0.25rem;
    border-radius: 4px;
    background-color: var(--off-white);
    border: 1px solid var(--light-gray);
    margin-bottom: 0.5rem;
    max-height: 250px;
}

.ad-container-content,
.ad-container-section {
    padding: 0.25rem;
    border-radius: 4px;
    background-color: var(--off-white);
    border: 1px solid var(--light-gray);
    margin: 0.5rem 0;
    max-height: 120px;
}

.ad-container-footer {
    padding: 0.25rem;
    border-radius: 4px;
    background-color: var(--off-white);
    border: 1px solid var(--light-gray);
    margin: 0.5rem 0 1rem 0;
    max-height: 90px;
}

/* 頁腳 */
footer {
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid var(--light-gray);
    color: var(--medium-gray);
    font-size: 0.9rem;
}

footer a {
    color: var(--medium-gray);
    margin: 0 0.5rem;
    border-bottom: 1px solid transparent;
}

footer a:hover {
    color: var(--black);
    border-color: var(--medium-gray);
}

/* 響應式設計 */
@media (max-width: 768px) {

    .form-container,
    .form-data-container,
    .result-container {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        padding-bottom: 1rem;
    }

    header .logo-container {
        margin-bottom: 0.5rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    header p {
        font-size: 0.9rem;
    }

    .form-container,
    .form-data-container,
    .result-container {
        padding: 1.25rem;
        border-radius: 6px;
    }

    button {
        width: 100%;
    }
}

/* help.html 特有樣式 */
.help-container {
    padding: 0;
    margin-top: 1.5rem;
    margin-bottom: 4rem;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    align-items: start;
}

/* 目錄 */
.table-of-contents {
    position: sticky;
    top: 1.5rem;
    background-color: var(--off-white);
    padding: 1.25rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.table-of-contents h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--light-gray);
}

.table-of-contents ul {
    list-style-type: none;
}

.table-of-contents li {
    margin-bottom: 0.5rem;
}

.table-of-contents li:last-child {
    margin-bottom: 0;
}

.table-of-contents a {
    display: block;
    padding: 0.4rem 0;
    color: var(--medium-gray);
    border: none;
    transition: var(--transition-standard);
    font-size: 0.9rem;
}

.table-of-contents a:hover,
.table-of-contents a.active {
    color: var(--black);
    transform: translateX(4px);
}

.table-of-contents a i {
    margin-right: 0.5rem;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* 內容區塊 */
.content-wrapper {
    padding-right: 2rem;
}

.help-section {
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
}

.help-section:not(:last-child) {
    border-bottom: 1px solid var(--light-gray);
}

.help-section h2 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    font-size: 1.6rem;
}

.help-section h2 i {
    margin-right: 0.75rem;
    opacity: 0.8;
}

.help-section h3 {
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
    display: flex;
    align-items: center;
}

.help-section h3 i {
    margin-right: 0.75rem;
    opacity: 0.8;
}

/* 步驟卡片 */
.step {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 6px;
    position: relative;
    transition: var(--transition-standard);
}

.step:hover {
    border-color: var(--medium-gray);
    transform: translateY(-3px);
    box-shadow: var(--shadow-subtle);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--black);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 0.75rem;
    vertical-align: middle;
}

.step p {
    display: inline;
    vertical-align: middle;
    margin-bottom: 0;
}

/* 代碼塊 */
.code-block {
    background-color: var(--off-white);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--light-gray);
    font-family: 'SF Mono', Consolas, Monaco, monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
    margin: 1rem 0;
    white-space: pre-wrap;
}

/* 提示框 */
.tip-box {
    background-color: var(--off-white);
    padding: 1rem;
    border-radius: 6px;
    border-left: 3px solid var(--black);
    margin: 1rem 0;
}

.tip-box p {
    margin: 0;
    display: flex;
    align-items: center;
}

.tip-box i {
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

/* FAQ 區塊 */
.faq-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
}

.faq-item:not(:last-child) {
    border-bottom: 1px solid var(--light-gray);
}

.faq-question {
    margin-bottom: 0.5rem;
    padding: 0.4rem 0;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-standard);
}

.faq-question:hover {
    color: var(--black);
}

.faq-question .icon-wrapper {
    display: flex;
    align-items: center;
}

.faq-question i:first-child {
    margin-right: 0.75rem;
}

.faq-question i.toggle {
    font-size: 0.9rem;
    opacity: 0.7;
    transition: var(--transition-standard);
}

.faq-question.active i.toggle {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-standard);
    padding-left: 2rem;
}

.faq-answer.active {
    max-height: 500px;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.faq-answer a {
    color: var(--black);
    border-bottom: 1px solid var(--medium-gray);
    transition: var(--transition-standard);
}

.faq-answer a:hover {
    border-color: var(--black);
}

/* 回到頂部按鈕 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 36px;
    height: 36px;
    background-color: var(--black);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-standard);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    background-color: var(--dark-gray);
}

/* Help 頁面的響應式設計 */
@media (max-width: 960px) {
    .help-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .table-of-contents {
        position: relative;
        top: 0;
        margin-bottom: 1.5rem;
    }

    .content-wrapper {
        padding-right: 0;
    }
}

@media (max-width: 640px) {
    .help-section {
        margin-bottom: 2rem;
        padding-bottom: 1rem;
    }

    .help-section h2 {
        font-size: 1.4rem;
    }

    .help-section h3 {
        font-size: 1.2rem;
    }

    .step {
        padding: 1rem;
    }

    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 32px;
        height: 32px;
    }
}

/* 圓形白色背景圖示 */
.favicon-circle {
    height: 32px;
    width: 32px;
    border-radius: 50%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.favicon-circle img {
    width: 24px;
    height: 24px;
}

/* 為隱私權政策頁面添加樣式 */
.privacy-container {
    padding: 20px 0;
}

.privacy-content {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--shadow-subtle);
}

.privacy-content h2 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.8rem;
}

.last-updated {
    color: var(--text-color);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.privacy-section {
    margin-bottom: 30px;
}

.privacy-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.privacy-section p,
.privacy-section ul {
    margin-bottom: 15px;
}

.privacy-section ul {
    padding-left: 20px;
}

.privacy-section li {
    margin-bottom: 8px;
}

/* 為關於我們頁面添加樣式 */
.about-container {
    padding: 20px 0;
}

.about-content {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 40px;
    box-shadow: var(--shadow-subtle);
}

.about-section {
    margin-bottom: 40px;
}

.about-section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.6rem;
}

.about-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.about-image-container {
    text-align: center;
    margin: 20px 0;
}

.about-image {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-subtle);
}

.mission-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
}

.mission-item {
    flex: 1 1 300px;
    padding: 20px;
    background-color: var(--background-color);
    border-radius: 8px;
    text-align: center;
}

.mission-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.tech-list,
.vision-list {
    list-style-type: none;
    padding-left: 10px;
}

.tech-list li,
.vision-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
}

.tech-list li:before,
.vision-list li:before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.contact-info {
    margin: 20px 0;
    padding: 20px;
    background-color: var(--background-color);
    border-radius: 8px;
}

.contact-info p {
    margin-bottom: 10px;
}

.contact-info i {
    color: var(--primary-color);
    margin-right: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--background-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: white;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {

    .privacy-content,
    .about-content {
        padding: 25px;
    }

    .mission-container {
        flex-direction: column;
    }

    .social-links {
        justify-content: center;
    }
}

/* 隱私權政策頁面樣式 */
.privacy-section h2,
.privacy-section h3 {
    color: var(--black);
}

.privacy-section p,
.privacy-section li {
    color: var(--medium-gray);
}

.last-updated {
    color: var(--medium-gray);
}

/* 關於我們頁面樣式 */
.about-section h2,
.about-section h3 {
    color: var(--black);
}

.about-section p,
.about-section li,
.contact-info p {
    color: var(--medium-gray);
}

.mission-icon {
    color: var(--black);
}

.tech-list li:before,
.vision-list li:before {
    color: var(--black);
}

.contact-info i {
    color: var(--black);
}

.social-link {
    background-color: var(--off-white);
    color: var(--black);
}

.social-link:hover {
    background-color: var(--black);
    color: var(--white);
}

.mission-item {
    background-color: var(--off-white);
}

.contact-info {
    background-color: var(--off-white);
}