/* style/about-20vui.css */

:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --text-color-dark: #333333;
    --text-color-light: #FFFFFF;
    --login-button-color: #EA7C07;
    --background-color-light: #FFFFFF;
    --background-color-dark: #26A9E0;
}

.page-about-20vui {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark);
    background-color: var(--background-color-light);
}

.page-about-20vui__section {
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.page-about-20vui__dark-bg {
    background-color: var(--background-color-dark);
    color: var(--text-color-light);
}

.page-about-20vui__light-bg {
    background-color: var(--background-color-light);
    color: var(--text-color-dark);
}

.page-about-20vui__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-about-20vui__section-title {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 10px;
}

.page-about-20vui__section-title--white {
    color: var(--secondary-color);
}

.page-about-20vui__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.page-about-20vui__section-title--white::after {
    background-color: var(--secondary-color);
}

.page-about-20vui__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: -20px auto 40px auto;
    color: var(--text-color-dark);
}

.page-about-20vui__section-description--white {
    color: var(--text-color-light);
}

/* Hero Section */
.page-about-20vui__hero-section {
    position: relative;
    width: 100%;
    height: 600px; /* Default height for desktop */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 0; /* Assuming shared.css handles body padding-top */
}

.page-about-20vui__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.page-about-20vui__hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2;
}

.page-about-20vui__hero-content {
    position: relative;
    z-index: 3;
    color: var(--text-color-light);
    max-width: 900px;
    padding: 20px;
}

.page-about-20vui__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--secondary-color);
    line-height: 1.2;
}

.page-about-20vui__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.9;
}

.page-about-20vui__hero-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.page-about-20vui__btn-primary,
.page-about-20vui__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-about-20vui__btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: 2px solid var(--primary-color);
}

.page-about-20vui__btn-primary:hover {
    background-color: darken(var(--primary-color), 10%);
    border-color: darken(var(--primary-color), 10%);
}

.page-about-20vui__btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.page-about-20vui__btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

.page-about-20vui__btn-primary--large {
    padding: 18px 40px;
    font-size: 1.2em;
}

/* Content Grid */
.page-about-20vui__content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.page-about-20vui__content-grid--reverse {
    grid-template-columns: 1fr 1fr;
}

.page-about-20vui__text-block p {
    margin-bottom: 1em;
    line-height: 1.8;
}

.page-about-20vui__text-block a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
}

.page-about-20vui__text-block a:hover {
    text-decoration: underline;
}

.page-about-20vui__image-block {
    text-align: center;
}

.page-about-20vui__image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* Values Grid */
.page-about-20vui__values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-about-20vui__value-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.page-about-20vui__value-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.2);
}

.page-about-20vui__value-title {
    font-size: 1.8em;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.page-about-20vui__value-description {
    font-size: 1em;
    color: var(--text-color-light);
    opacity: 0.8;
}

/* Games Grid */
.page-about-20vui__games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-about-20vui__game-card {
    background-color: var(--background-color-light);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.page-about-20vui__game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-about-20vui__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.page-about-20vui__game-title {
    font-size: 1.5em;
    color: var(--primary-color);
    margin: 20px 15px 10px 15px;
    flex-grow: 1;
}

.page-about-20vui__game-title a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-about-20vui__game-title a:hover {
    text-decoration: underline;
}

.page-about-20vui__game-description {
    font-size: 0.95em;
    color: var(--text-color-dark);
    padding: 0 15px 20px 15px;
}

/* Logo Carousel Section */
.page-about-20vui__logo-carousel-section {
    overflow: hidden;
    padding: 40px 0;
}

.page-about-20vui__logo-carousel {
    display: flex;
    animation: scrollLogos 30s linear infinite;
    white-space: nowrap;
}

.page-about-20vui__logo-item {
    flex-shrink: 0;
    margin: 0 20px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--secondary-color);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.page-about-20vui__logo-item img {
    max-width: 60px;
    max-height: 60px;
    object-fit: contain;
    height: auto; /* Ensure original height is respected */
}

.page-about-20vui__logo-item:hover {
    transform: scale(1.1);
}

@keyframes scrollLogos {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* FAQ Section */
.page-about-20vui__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-about-20vui__faq-item {
    background-color: var(--background-color-light);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.page-about-20vui__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15em;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    background-color: var(--secondary-color);
    transition: background-color 0.3s ease;
}

.page-about-20vui__faq-question:hover {
    background-color: #f0f0f0;
}

.page-about-20vui__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: #555;
    transition: transform 0.3s ease;
}

.page-about-20vui__faq-item.active .page-about-20vui__faq-toggle {
    transform: rotate(45deg);
}

.page-about-20vui__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 25px;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-color-dark);
}

.page-about-20vui__faq-item.active .page-about-20vui__faq-answer {
    max-height: 1000px !important; /* Sufficiently large to contain content */
    padding: 15px 25px;
}

.page-about-20vui__faq-answer p {
    margin-bottom: 1em;
}

/* CTA Section */
.page-about-20vui__cta-section {
    text-align: center;
    padding: 80px 0;
}

.page-about-20vui__cta-title {
    font-size: 2.8em;
    color: var(--secondary-color);
    margin-bottom: 25px;
    line-height: 1.3;
}

.page-about-20vui__cta-description {
    font-size: 1.2em;
    color: var(--text-color-light);
    max-width: 800px;
    margin: 0 auto 40px auto;
    opacity: 0.9;
}

/* General Image Rules for Content Area */
.page-about-20vui img:not(.page-about-20vui__logo-item img) {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about-20vui__hero-title {
        font-size: 3em;
    }

    .page-about-20vui__hero-description {
        font-size: 1.1em;
    }

    .page-about-20vui__section-title {
        font-size: 2.2em;
    }

    .page-about-20vui__cta-title {
        font-size: 2.4em;
    }

    .page-about-20vui__content-grid {
        grid-template-columns: 1fr;
    }

    .page-about-20vui__content-grid--reverse {
        grid-template-columns: 1fr;
    }

    .page-about-20vui__image-block {
        order: -1; /* Reverse order for image on mobile */
    }

    .page-about-20vui__games-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-about-20vui__hero-section {
        height: 500px;
        padding-top: 0; /* Ensures no double padding if shared.css handles body */
    }

    .page-about-20vui__hero-content {
        padding: 15px;
    }

    .page-about-20vui__hero-title {
        font-size: 2em;
        margin-bottom: 15px;
    }

    .page-about-20vui__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }

    .page-about-20vui__hero-cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    .page-about-20vui__btn-primary,
    .page-about-20vui__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-about-20vui__btn-primary--large {
        padding: 15px 30px;
        font-size: 1.1em;
    }

    /* LOGO 轮播区域 */
    .page-about-20vui__logo-carousel-section {
        padding: 30px 0;
    }

    .page-about-20vui__logo-carousel {
        animation-duration: 20s; /* Faster scroll on mobile */
    }

    .page-about-20vui__logo-item {
        width: 80px !important; /* 固定80px，禁止使用100% */
        height: 80px !important; /* 固定80px */
        max-width: 80px !important; /* 确保不被覆盖 */
        margin: 0 10px;
        box-sizing: border-box;
    }

    .page-about-20vui__logo-item img {
        max-width: 50px;
        max-height: 50px;
    }

    /* 游戏展示区域 */
    .page-about-20vui__games-grid {
        grid-template-columns: 1fr;
    }

    .page-about-20vui__game-card {
        margin: 0 auto;
        width: 100%;
        max-width: 350px;
    }

    .page-about-20vui__game-image {
        height: 180px;
    }

    .page-about-20vui__game-title {
        font-size: 1.3em;
    }

    .page-about-20vui__game-description {
        font-size: 0.9em;
    }

    /* 通用图片与容器 */
    .page-about-20vui__container,
    .page-about-20vui__text-block,
    .page-about-20vui__image-block,
    .page-about-20vui__value-card,
    .page-about-20vui__game-card,
    .page-about-20vui__faq-list,
    .page-about-20vui__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-about-20vui img:not(.page-about-20vui__logo-item img) {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* 其他内容模块 */
    .page-about-20vui__section {
        padding: 40px 0;
    }

    .page-about-20vui__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-about-20vui__section-description {
        font-size: 1em;
        margin: -10px auto 30px auto;
    }

    .page-about-20vui__values-grid {
        grid-template-columns: 1fr;
    }

    .page-about-20vui__value-title {
        font-size: 1.5em;
    }

    .page-about-20vui__faq-question {
        padding: 15px 20px;
        font-size: 1em;
    }

    .page-about-20vui__faq-answer {
        padding: 0 20px;
    }

    .page-about-20vui__faq-item.active .page-about-20vui__faq-answer {
        padding: 10px 20px;
    }

    .page-about-20vui__cta-section {
        padding: 60px 0;
    }

    .page-about-20vui__cta-title {
        font-size: 2em;
    }

    .page-about-20vui__cta-description {
        font-size: 1em;
        margin-bottom: 30px;
    }
}

/* Color Contrast Fixes (as per instructions) */
.page-about-20vui__dark-bg {
  color: var(--text-color-light);
}

.page-about-20vui__light-bg {
  color: var(--text-color-dark);
}

.page-about-20vui p,
.page-about-20vui li {
  color: inherit; /* Inherit from parent section's color */
}

.page-about-20vui__value-card {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-color-light);
}

.page-about-20vui__value-card:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.page-about-20vui__game-card {
  background-color: var(--background-color-light);
  color: var(--text-color-dark);
}

.page-about-20vui__game-title a {
    color: var(--primary-color);
}

.page-about-20vui__faq-question {
  color: var(--primary-color);
  background-color: var(--secondary-color);
}

.page-about-20vui__faq-answer {
  color: var(--text-color-dark);
}

.page-about-20vui__btn-primary {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.page-about-20vui__btn-secondary {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-about-20vui__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.page-about-20vui__text-block a {
    color: var(--primary-color);
}