/* 現代建築風格 CSS */
:root {
    --primary-color: #FF3A2F; /* 主要紅色 */
    --secondary-color: #000000; /* 黑色 */
    --accent-color: #0066CC; /* 藍色 */
    --text-color: #000000;
    --text-light: #666666;
    --bg-color: #FFFFFF;
    --bg-alt: #F5F5F5;
    --border-color: #000000;
    --success: #329932;
    --error: #FF3A2F;
    --warning: #FFC107;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 0;
    --transition: all 0.3s ease;
    --grid-gap: 1px;
}

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

body {
    font-family: 'Helvetica Neue', 'Arial', sans-serif;
    color: var(--text-color);
    line-height: 1.5;
    background-color: var(--bg-color);
    background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23f0f0f0' fill-opacity='0.4' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='1'/%3E%3Ccircle cx='13' cy='13' r='1'/%3E%3C/g%3E%3C/svg%3E");
}

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

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 60px 0;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

/* 網格系統 */
.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--grid-gap);
    position: relative;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--grid-gap);
    pointer-events: none;
    z-index: -1;
}

.grid-overlay .grid-line {
    background-color: rgba(0, 0, 0, 0.05);
}

.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* 幾何形狀 */
.circle {
    border-radius: 50%;
    background-color: var(--primary-color);
    aspect-ratio: 1;
}

.triangle {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 100px solid var(--primary-color);
}

.square {
    aspect-ratio: 1;
    background-color: var(--primary-color);
}

/* 按鈕樣式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--text-color);
    position: relative;
    background-color: var(--bg-color);
    color: var(--text-color);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--text-color);
    color: white;
    border-color: var(--text-color);
}

.btn-outline {
    background: transparent;
    color: var(--text-color);
}

.btn-outline:hover {
    background-color: var(--text-color);
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 頁頭樣式 */
header {
    background-color: var(--bg-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--text-color);
}

header .container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
}

.logo a {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    position: relative;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* 英雄區塊樣式 */
.hero {
    padding: 80px 0;
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background-color: var(--primary-color);
    z-index: 0;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 30% 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    font-size: 3.5rem;
    line-height: 1.1;
}

.hero-content h1 span {
    display: block;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.hero-image {
    position: relative;
    z-index: 2;
}

/* 特色作品區塊 */
.featured-works {
    background-color: var(--bg-color);
    position: relative;
}

.featured-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--text-color);
}

.featured-works h2 {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.featured-works h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.work-card {
    border: 1px solid var(--text-color);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.work-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.work-image {
    height: 220px;
    overflow: hidden;
    border-bottom: 1px solid var(--text-color);
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.work-card:hover .work-image img {
    transform: scale(1.05);
}

.work-info {
    padding: 1.25rem;
    background-color: var(--bg-color);
}

.work-info h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.work-info p {
    font-size: 0.875rem;
    margin: 0;
}

.view-more {
    text-align: center;
    margin-top: 3rem;
}

/* 熱門模板區塊 */
.popular-templates {
    background-color: var(--bg-alt);
    position: relative;
}

.popular-templates::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--text-color);
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.template-card {
    background-color: var(--bg-color);
    border: 1px solid var(--text-color);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.template-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.template-image {
    height: 200px;
    overflow: hidden;
    border-bottom: 1px solid var(--text-color);
    position: relative;
}

.template-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.template-card:hover .template-image img {
    transform: scale(1.05);
}

.template-info {
    padding: 1.25rem;
}

.template-info h3 {
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.template-meta {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.price {
    color: var(--primary-color);
    font-weight: 600;
    margin-right: 0.5rem;
}

.template-meta .advanced, .template-meta .premium {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
}

.template-meta .advanced {
    color: var(--accent-color);
}

.template-meta .premium {
    color: var(--secondary-color);
}

.rating {
    color: var(--warning);
}

/* 使用流程區塊 */
.how-it-works {
    background-color: var(--bg-color);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--text-color);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
    border: 1px solid var(--text-color);
    transition: var(--transition);
    position: relative;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.step:nth-child(1) {
    background-color: rgba(255, 58, 47, 0.05);
}

.step:nth-child(2) {
    background-color: rgba(0, 0, 0, 0.05);
}

.step:nth-child(3) {
    background-color: rgba(0, 102, 204, 0.05);
}

.step:nth-child(4) {
    background-color: rgba(50, 153, 50, 0.05);
}

.step-icon {
    width: 60px;
    height: 60px;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    position: relative;
}

.step:nth-child(1) .step-icon {
    background-color: var(--primary-color);
    color: white;
}

.step:nth-child(2) .step-icon {
    background-color: var(--secondary-color);
    color: white;
}

.step:nth-child(3) .step-icon {
    background-color: var(--accent-color);
    color: white;
}

.step:nth-child(4) .step-icon {
    background-color: var(--success);
    color: white;
}

/* 會員權益區塊 */
.membership {
    background-color: var(--bg-alt);
    position: relative;
}

.membership::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--text-color);
}

.membership h2 {
    position: relative;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.membership h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.membership-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.membership-card {
    background-color: var(--bg-color);
    border: 1px solid var(--text-color);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.membership-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.membership-card.highlighted {
    border: 1px solid var(--primary-color);
    transform: scale(1.05);
}

.membership-card.highlighted:hover {
    transform: scale(1.05) translateY(-5px);
}

.card-header {
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--text-color);
}

.membership-card:nth-child(1) .card-header {
    background-color: var(--accent-color);
    color: white;
}

.membership-card:nth-child(2) .card-header {
    background-color: var(--primary-color);
    color: white;
}

.membership-card:nth-child(3) .card-header {
    background-color: var(--secondary-color);
    color: white;
}

.card-header h3 {
    margin-bottom: 0.5rem;
}

.card-header .price {
    color: inherit;
    font-size: 1.5rem;
    font-weight: 700;
}

.card-body {
    padding: 2rem;
}

.card-body ul li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.card-body ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--text-color);
}

.card-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--text-color);
}

/* CTA區塊 */
.cta {
    background-color: var(--primary-color);
    color: white;
    padding: 80px 0;
    text-align: center;
    position: relative;
}

.cta h2 {
    color: white;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta h2::after {
    background-color: white;
    left: 50%;
    transform: translateX(-50%);
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta .btn-primary {
    background-color: white;
    color: var(--primary-color);
    border-color: white;
    position: relative;
    z-index: 1;
}

.cta .btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* 頁尾樣式 */
footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 5rem 0 2rem;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 2rem;
}

.footer-logo {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: white;
    color: var(--secondary-color);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    position: relative;
    display: inline-block;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: white;
}

.footer-bottom {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* 頁面標頭 */
.page-header {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 3rem 0;
    position: relative;
}

.page-header h1 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.page-header p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 上傳區域樣式 */
.upload-box {
    border: 2px dashed rgba(0, 0, 0, 0.2);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.upload-box:hover {
    border-color: var(--primary-color);
}

.upload-box.large {
    padding: 3rem;
}

.upload-box i {
    font-size: 2.5rem;
    color: rgba(0, 0, 0, 0.3);
    margin-bottom: 1rem;
}

.upload-box h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.upload-preview {
    margin-top: 1.5rem;
}

/* 幫助中心頁面特殊樣式 */
.help-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.help-sidebar {
    background-color: var(--bg-alt);
    border: 2px solid var(--text-color);
    padding: 1.5rem;
    position: sticky;
    top: 100px;
    align-self: start;
}

.help-sidebar::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 100%;
    height: 100%;
    background-color: transparent;
    border: 2px solid var(--text-color);
    z-index: -1;
}

.help-search {
    position: relative;
    margin-bottom: 1.5rem;
}

.help-search input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--text-color);
    background-color: white;
}

.help-search button {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 50px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    border-left: 2px solid var(--text-color);
}

.help-categories {
    margin-bottom: 2rem;
}

.help-categories h3 {
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--text-color);
    padding-bottom: 0.5rem;
}

.help-categories ul li {
    margin-bottom: 0.5rem;
}

.help-categories ul li a {
    display: block;
    padding: 0.5rem;
    color: var(--text-color);
    transition: var(--transition);
}

.help-categories ul li a:hover,
.help-categories ul li a.active {
    background-color: var(--accent-color);
    color: white;
    padding-left: 1rem;
}

.help-contact {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--primary-color);
    color: white;
    margin-top: 2rem;
}

.help-contact h3 {
    margin-bottom: 1rem;
    color: white;
}

.help-section {
    display: none;
    margin-bottom: 3rem;
}

.help-section.active {
    display: block;
}

.faq-item {
    border: 2px solid var(--text-color);
    margin-bottom: 1rem;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--bg-alt);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.25rem;
}

.toggle-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.faq-answer {
    display: none;
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .toggle-icon i {
    transform: rotate(45deg);
}

.getting-started-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.step-card {
    padding: 2rem;
    border: 2px solid var(--text-color);
    position: relative;
    background-color: var(--bg-color);
}

.step-card::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 100%;
    height: 100%;
    background-color: transparent;
    border: 2px solid var(--text-color);
    z-index: -1;
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.step-card p {
    margin-bottom: 1.5rem;
}

.video-tutorial {
    margin-top: 3rem;
}

.video-container {
    position: relative;
    height: 0;
    padding-bottom: 56.25%; /* 16:9比例 */
    overflow: hidden;
    border: 2px solid var(--text-color);
    margin-top: 1rem;
}

.video-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background-color: rgba(229, 63, 63, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    font-size: 2rem;
    transition: var(--transition);
}

.play-button:hover {
    background-color: var(--primary-color);
    transform: translate(-50%, -50%) scale(1.1);
}

/* 響應式樣式 */
@media (max-width: 992px) {
    .help-grid {
        grid-template-columns: 1fr;
    }
    
    .help-sidebar {
        position: static;
        margin-bottom: 2rem;