@charset "UTF-8";

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: #333;
    background-color: #3B7DD8;
    line-height: 1.6;
    min-width: 320px;
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

input, textarea {
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

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

.warning-bar {
    background: #C0392B;
    color: #fff;
    text-align: center;
    padding: 8px 16px;
    font-size: 14px;
    line-height: 1.5;
}

.warning-bar span {
    color: #FFD700;
    font-weight: bold;
}

.header {
    background: #3B7DD8;
    padding: 0;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-wrap img {
    width: 42px;
    height: 42px;
    border-radius: 8px;
}

.logo-wrap .site-name {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-menu li a {
    display: block;
    padding: 8px 16px;
    color: #fff;
    font-size: 15px;
    border-radius: 6px;
    transition: background 0.2s;
    white-space: nowrap;
}

.nav-menu li a:hover {
    background: rgba(255,255,255,0.15);
}

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

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-download.android {
    background: #fff;
    color: #3B7DD8;
}

.btn-download.android:hover {
    background: #e8f0fe;
}

.btn-download.ios {
    background: rgba(255,255,255,0.2);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.4);
}

.btn-download.ios:hover {
    background: rgba(255,255,255,0.3);
}

.btn-download i {
    width: 20px;
    height: 20px;
    display: inline-block;
}

.btn-download.android i {
    background: url('../images/安卓.svg') center/contain no-repeat;
}

.btn-download.ios i {
    background: url('../images/苹果.svg') center/contain no-repeat;
}

.download-banner {
    background: linear-gradient(135deg, #3B7DD8 0%, #5B9EF5 100%);
    padding: 24px 0;
}

.download-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.download-banner .banner-text {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
}

.download-banner .btn-download-big {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 700;
    background: #fff;
    color: #3B7DD8;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.download-banner .btn-download-big:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.download-banner .btn-download-big i {
    width: 24px;
    height: 24px;
    display: inline-block;
}

.main-content {
    background: #F0F5FB;
    padding-bottom: 40px;
}

.info-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px 28px;
    margin: 20px auto;
    max-width: 1200px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.info-card.blue-card {
    background: linear-gradient(135deg, #E8F0FE 0%, #D4E4FC 100%);
    border: 1px solid #B3CFF5;
}

.info-card .card-title {
    font-size: 20px;
    font-weight: bold;
    color: #2B6CB0;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid #E8F0FE;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-card .card-title i {
    width: 24px;
    height: 24px;
    display: inline-block;
}

.info-card p {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 10px;
}

.info-card .highlight {
    color: #3B7DD8;
    font-weight: 600;
}

.section-title {
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: #2B6CB0;
    margin: 40px 0 24px;
    padding: 0 20px;
}

.collapse-panel {
    border: 1px solid #D4E4FC;
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.collapse-header {
    padding: 14px 20px;
    background: #E8F0FE;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 600;
    color: #2B6CB0;
    transition: background 0.2s;
    user-select: none;
}

.collapse-header:hover {
    background: #D4E4FC;
}

.collapse-header .arrow {
    transition: transform 0.3s;
    font-size: 12px;
    color: #3B7DD8;
}

.collapse-panel.open .collapse-header .arrow {
    transform: rotate(180deg);
}

.collapse-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.collapse-panel.open .collapse-body {
    max-height: 500px;
}

.collapse-body-inner {
    padding: 16px 20px;
    font-size: 14px;
    color: #666;
    line-height: 2;
    background: #FAFCFF;
}

.collapse-body-inner p {
    margin-bottom: 6px;
}

.collapse-body-inner .step {
    color: #3B7DD8;
    font-weight: 600;
}

.screenshot-gallery {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 0 20px 20px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    max-width: 1200px;
    margin: 0 auto;
}

.screenshot-gallery::-webkit-scrollbar {
    height: 6px;
}

.screenshot-gallery::-webkit-scrollbar-thumb {
    background: #B3CFF5;
    border-radius: 3px;
}

.screenshot-item {
    flex: 0 0 auto;
    width: 220px;
    scroll-snap-align: start;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.screenshot-item:hover {
    transform: translateY(-4px);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.review-item {
    display: flex;
    gap: 14px;
    padding: 16px;
    background: #FAFCFF;
    border-radius: 10px;
    border: 1px solid #E8F0FE;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #3B7DD8;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
}

.review-content h4 {
    font-size: 15px;
    color: #333;
    margin-bottom: 4px;
}

.review-content .stars {
    color: #F5A623;
    font-size: 14px;
    margin-bottom: 4px;
}

.review-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}

.feature-list {
    padding: 0;
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #E8F0FE;
}

.feature-list-item:last-child {
    border-bottom: none;
}

.feature-list-item i {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-list-item .feature-num {
    width: 28px;
    height: 28px;
    background: #3B7DD8;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-list-item .feature-text h4 {
    font-size: 16px;
    color: #2B6CB0;
    margin-bottom: 4px;
}

.feature-list-item .feature-text p {
    font-size: 14px;
    color: #666;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #E8F0FE;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(59,125,216,0.15);
}

.feature-card .feature-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    background: #E8F0FE;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card .feature-icon i {
    width: 32px;
    height: 32px;
    display: inline-block;
}

.feature-card h4 {
    font-size: 15px;
    color: #2B6CB0;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 13px;
    color: #999;
    line-height: 1.5;
}

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

.comment-section .section-title {
    text-align: left;
    padding: 0;
}

.comment-form {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.comment-input {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    border: 2px solid #D4E4FC;
    border-radius: 10px;
    font-size: 14px;
    background: #fff;
    transition: border-color 0.2s;
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.comment-input:focus {
    border-color: #3B7DD8;
}

.btn-submit {
    align-self: flex-end;
    padding: 12px 28px;
    background: #3B7DD8;
    color: #fff;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: background 0.2s;
    white-space: nowrap;
}

.btn-submit:hover {
    background: #2B6CB0;
}

.comment-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
}

.comment-item {
    display: flex;
    gap: 12px;
    padding: 14px;
    background: #fff;
    border-radius: 10px;
    border: 1px solid #E8F0FE;
}

.comment-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #3B7DD8;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    font-weight: bold;
    flex-shrink: 0;
}

.comment-detail {
    flex: 1;
}

.comment-detail .comment-author {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.comment-detail .comment-date {
    font-size: 12px;
    color: #aaa;
    margin-left: 8px;
}

.comment-detail .comment-text {
    font-size: 14px;
    color: #555;
    margin-top: 6px;
    line-height: 1.6;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pagination button {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: #fff;
    color: #3B7DD8;
    border: 1px solid #D4E4FC;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}

.pagination button:hover {
    background: #E8F0FE;
}

.pagination button.active {
    background: #3B7DD8;
    color: #fff;
    border-color: #3B7DD8;
}

.footer {
    background: #2B6CB0;
    color: rgba(255,255,255,0.7);
    text-align: center;
    padding: 20px;
    font-size: 13px;
    line-height: 1.8;
}

.footer a {
    color: #fff;
}

.btn-download-big.android i {
    background: url('../images/安卓.svg') center/contain no-repeat;
}

.btn-download-big.ios {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-download-big.ios:hover {
    background: rgba(255,255,255,0.25);
}

.btn-download-big.ios i {
    background: url('../images/苹果.svg') center/contain no-repeat;
}

.icon-comic { background: url('../icons/icon-comic.svg') center/contain no-repeat; }
.icon-download { background: url('../icons/icon-download.svg') center/contain no-repeat; }
.icon-reading { background: url('../icons/icon-reading.svg') center/contain no-repeat; }
.icon-community { background: url('../icons/icon-community.svg') center/contain no-repeat; }
.icon-recommend { background: url('../icons/icon-recommend.svg') center/contain no-repeat; }
.icon-search { background: url('../icons/icon-search.svg') center/contain no-repeat; }
.icon-sync { background: url('../icons/icon-sync.svg') center/contain no-repeat; }
.icon-hd { background: url('../icons/icon-hd.svg') center/contain no-repeat; }
.icon-update { background: url('../icons/icon-update.svg') center/contain no-repeat; }
.icon-privacy { background: url('../icons/icon-privacy.svg') center/contain no-repeat; }
.icon-category { background: url('../icons/icon-category.svg') center/contain no-repeat; }
.icon-favorite { background: url('../icons/icon-favorite.svg') center/contain no-repeat; }
.icon-user { background: url('../icons/icon-user.svg') center/contain no-repeat; }
.icon-stats { background: url('../icons/icon-stats.svg') center/contain no-repeat; }
.icon-tag { background: url('../icons/icon-tag.svg') center/contain no-repeat; }
.icon-premium { background: url('../icons/icon-premium.svg') center/contain no-repeat; }

@media screen and (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-menu {
        width: 100%;
        justify-content: flex-start;
    }

    .nav-menu li a {
        padding: 6px 10px;
        font-size: 13px;
    }

    .download-btns {
        width: 100%;
        justify-content: flex-start;
    }

    .btn-download {
        padding: 6px 14px;
        font-size: 13px;
    }

    .download-banner .container {
        flex-direction: column;
        text-align: center;
    }

    .download-banner .banner-text {
        font-size: 17px;
    }

    .info-card {
        padding: 16px 18px;
        margin: 12px 10px;
        border-radius: 10px;
    }

    .info-card .card-title {
        font-size: 17px;
    }

    .section-title {
        font-size: 20px;
        margin: 28px 0 18px;
    }

    .screenshot-gallery {
        gap: 10px;
        padding: 0 10px 16px;
    }

    .screenshot-item {
        width: 160px;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0 10px;
    }

    .feature-card {
        padding: 16px 10px;
    }

    .feature-card .feature-icon {
        width: 42px;
        height: 42px;
        border-radius: 10px;
        margin-bottom: 10px;
    }

    .feature-card .feature-icon i {
        width: 26px;
        height: 26px;
    }

    .feature-card h4 {
        font-size: 13px;
    }

    .feature-card p {
        font-size: 11px;
    }

    .review-item {
        flex-direction: column;
        gap: 8px;
    }

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

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

@media screen and (max-width: 480px) {
    .logo-wrap .site-name {
        font-size: 18px;
    }

    .nav-menu li a {
        padding: 5px 8px;
        font-size: 12px;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 0 8px;
    }

    .feature-card {
        padding: 14px 8px;
    }

    .feature-card h4 {
        font-size: 12px;
    }

    .screenshot-item {
        width: 140px;
    }
}