/* ========================================
   三峽親子教育 - 活潑教育風格
   ======================================== */

/* CSS Variables - Rainbow Theme */
:root {
    --red: #FF6B6B;
    --orange: #FFA94D;
    --yellow: #FFE066;
    --green: #69DB7C;
    --blue: #4DABF7;
    --indigo: #748FFC;
    --purple: #DA77F2;
    --white: #FFFFFF;
    --light-gray: #F0F0F0;
    --dark-gray: #495057;
    --text-color: #343A40;
    --font-primary: 'Noto Sans TC', 'Taipei Sans TC', sans-serif;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --radius: 16px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

/* ========================================
   Header - 學校風格
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 10px 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(360deg);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--blue), var(--indigo), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    border-radius: 25px;
    font-weight: 500;
    color: var(--dark-gray);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--blue), var(--indigo), var(--purple));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover::before {
    width: 60%;
}

.nav-link:hover {
    color: var(--text-color);
    background: var(--light-gray);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: linear-gradient(90deg, var(--red), var(--purple));
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero Section - 快樂學習
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 60px;
    position: relative;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--red), var(--orange));
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--yellow), var(--green));
    top: 20%;
    right: 10%;
    animation-delay: 1s;
}

.shape-3 {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, var(--blue), var(--indigo));
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--purple), var(--red));
    bottom: 15%;
    right: 15%;
    animation-delay: 3s;
}

.shape-5 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--green), var(--blue));
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(10deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-icon {
    animation: bounce 2s ease-in-out infinite;
    margin-bottom: 30px;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.hero h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--blue), var(--indigo), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 40px;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue), var(--indigo));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(77, 171, 247, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(77, 171, 247, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--blue);
    border: 3px solid var(--blue);
}

.btn-secondary:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-3px);
}

.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--dark-gray);
    font-size: 0.9rem;
    animation: scrollHint 2s ease-in-out infinite;
}

@keyframes scrollHint {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Rainbow Banner */
.rainbow-banner {
    height: 10px;
    width: 100%;
    overflow: hidden;
}

.rainbow-stripe {
    width: 100%;
    height: 100%;
}

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-icon {
    margin-bottom: 20px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-color);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--dark-gray);
}

/* ========================================
   Courses Section
   ======================================== */
.courses-section {
    background: var(--light-gray);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.course-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--blue), var(--indigo), var(--purple));
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.course-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.course-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.course-card p {
    font-size: 0.95rem;
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.course-tag {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(135deg, var(--blue), var(--indigo));
    color: var(--white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ========================================
   Water Section
   ======================================== */
.water-section {
    background: var(--white);
}

.water-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.water-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-block {
    padding: 25px;
    background: var(--light-gray);
    border-radius: var(--radius);
    border-left: 5px solid var(--blue);
    transition: var(--transition);
}

.info-block:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow);
}

.info-block:nth-child(2) {
    border-left-color: var(--green);
}

.info-block:nth-child(3) {
    border-left-color: var(--indigo);
}

.info-block h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.info-block p {
    font-size: 0.95rem;
    color: var(--dark-gray);
}

.water-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.dam-model {
    position: relative;
    width: 100%;
    max-width: 350px;
}

.dam-labels {
    position: relative;
    margin-top: 15px;
}

.label {
    position: absolute;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--dark-gray);
    background: var(--light-gray);
    padding: 5px 10px;
    border-radius: 5px;
}

/* ========================================
   Environment Section
   ======================================== */
.environment-section {
    background: linear-gradient(180deg, var(--light-gray) 0%, var(--white) 100%);
}

.env-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.env-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.env-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover);
}

.env-number {
    position: absolute;
    top: -10px;
    right: 10px;
    font-size: 5rem;
    font-weight: 900;
    opacity: 0.1;
    color: var(--text-color);
}

.env-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.env-card p {
    font-size: 0.95rem;
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.env-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
    opacity: 0.6;
}

.env-card-1 { border-top: 5px solid var(--red); }
.env-card-2 { border-top: 5px solid var(--green); }
.env-card-3 { border-top: 5px solid var(--orange); }
.env-card-4 { border-top: 5px solid var(--blue); }

/* ========================================
   DIY Section
   ======================================== */
.diy-section {
    background: var(--white);
}

.diy-showcase {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.diy-item {
    display: flex;
    align-items: center;
    gap: 30px;
    background: var(--light-gray);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.diy-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.diy-visual {
    flex: 0 0 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diy-info {
    flex: 1;
    padding: 30px 30px 30px 0;
}

.diy-info h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color);
}

.diy-info p {
    font-size: 0.95rem;
    color: var(--dark-gray);
    margin-bottom: 15px;
}

.diy-duration {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    color: var(--white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ========================================
   Reviews Section
   ======================================== */
.reviews-section {
    background: linear-gradient(180deg, var(--light-gray) 0%, var(--white) 100%);
}

.reviews-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 15px;
    right: 25px;
    font-size: 4rem;
    color: var(--purple);
    opacity: 0.2;
    font-family: serif;
}

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

.review-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 15px;
}

.star {
    color: var(--yellow);
    font-size: 1.2rem;
}

.review-text {
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    color: var(--text-color);
}

.author-detail {
    font-size: 0.85rem;
    color: var(--dark-gray);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    background: linear-gradient(135deg, var(--blue), var(--indigo), var(--purple));
    padding: 80px 0;
}

.contact-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 50px;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.contact-box h2 {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--blue), var(--indigo), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-box p {
    text-align: center;
    color: var(--dark-gray);
    margin-bottom: 30px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select {
    padding: 12px 15px;
    border: 2px solid var(--light-gray);
    border-radius: 10px;
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.2);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 15px;
    background: var(--light-gray);
    border-radius: 20px;
    transition: var(--transition);
}

.checkbox-label:hover {
    background: var(--blue);
    color: var(--white);
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn-submit {
    margin-top: 10px;
    width: 100%;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--text-color);
    color: var(--white);
    padding-top: 0;
}

.footer .rainbow-banner {
    margin-bottom: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 60px 0 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.footer-brand span {
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-links li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--yellow);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .water-content {
        grid-template-columns: 1fr;
    }

    .water-visual {
        order: -1;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-150%);
        transition: var(--transition);
        opacity: 0;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-list {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .env-grid {
        grid-template-columns: 1fr;
    }

    .diy-item {
        flex-direction: column;
    }

    .diy-visual {
        flex: 0 0 150px;
        width: 100%;
    }

    .diy-info {
        padding: 20px;
        text-align: center;
    }

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

    .contact-box {
        padding: 30px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 1rem;
    }

    .section {
        padding: 50px 0;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .reviews-carousel {
        grid-template-columns: 1fr;
    }

    .checkbox-group {
        flex-direction: column;
    }
}

/* ========================================
   Article Page Styles (文章頁面樣式)
   ======================================== */

.article-main {
    padding: 120px 0 80px;
    min-height: 100vh;
    background: linear-gradient(180deg, #FFFFFF 0%, #FFF5F5 50%, #F5F5FF 100%);
}

.article {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.article h1 {
    font-family: 'Taipei Sans TC', 'Noto Sans TC', sans-serif;
    font-size: 36px;
    color: #333;
    margin-bottom: 24px;
    line-height: 1.4;
    text-align: center;
}

.article-meta {
    text-align: center;
    color: #666;
    font-size: 14px;
    padding: 16px 0 32px;
    border-bottom: 3px solid;
    border-image: linear-gradient(to right, #FF6B6B, #FFA94D, #FFE066, #69DB7C, #4DABF7, #748FFC, #DA77F2) 1;
    margin-bottom: 40px;
}

.article-content {
    background: #FFFFFF;
    padding: 48px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 2px solid #F0F0F0;
}

.article-content h2 {
    font-size: 24px;
    color: #333;
    margin: 40px 0 20px;
    padding-bottom: 8px;
    border-bottom: 3px solid;
    border-image: linear-gradient(to right, #FF6B6B, #FFA94D, #FFE066, #69DB7C) 1;
}

.article-content h3 {
    font-size: 20px;
    color: #555;
    margin: 28px 0 14px;
}

.article-content p {
    font-size: 16px;
    line-height: 1.9;
    color: #444;
    margin-bottom: 18px;
}

.article-content a {
    color: #4DABF7;
    text-decoration: underline;
}

.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 28px;
}

.article-content li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.article-image {
    margin: 32px 0;
    text-align: center;
}

.article-image img {
    max-width: 100%;
    border-radius: 16px;
    border: 3px solid #F0F0F0;
}

.article-image figcaption {
    margin-top: 12px;
    font-size: 14px;
    color: #888;
}

.related-articles {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, #FFF5F5 0%, #F5F5FF 100%);
    border-radius: 20px;
    border: 2px solid #F0F0F0;
}

.related-articles h3 {
    font-size: 22px;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.related-articles ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.related-articles li {
    margin: 0;
}

.related-articles a {
    display: block;
    padding: 16px 20px;
    background: #FFFFFF;
    border: 2px solid #F0F0F0;
    border-radius: 12px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
}

.related-articles a:hover {
    border-color: #4DABF7;
    color: #4DABF7;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .article h1 {
        font-size: 26px;
    }

    .article-content {
        padding: 32px 20px;
    }
}

/* ========================================
   All Articles Section
   ======================================== */
.all-articles {
    padding: 100px 0;
    background: var(--white);
}

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

.all-articles .section-header {
    text-align: center;
    margin-bottom: 48px;
}

.all-articles .section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    padding: 6px 16px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--blue), var(--indigo), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.all-articles .section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-color);
    margin-bottom: 12px;
    background: linear-gradient(90deg, var(--red), var(--orange), var(--yellow), var(--green), var(--blue), var(--indigo), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.all-articles .section-desc {
    font-size: 1.125rem;
    color: var(--dark-gray);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 48px;
}

.article-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--light-gray);
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
}

.article-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--blue);
}

.article-num {
    font-size: 32px;
    font-weight: 900;
    opacity: 0.2;
    font-family: var(--font-primary);
    background: linear-gradient(90deg, var(--red), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-title {
    font-size: 15px;
    color: var(--text-color);
    line-height: 1.4;
}