/* Auto-generated by scripts/build-site-shell-css.js */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 避免 100vw 全宽布局在部分移动浏览器产生横向溢出与错位 */
html {
    overflow-x: hidden;
    max-width: 100%;
}

/* 完全隐藏滚动条但保持滚动功能 */
html {
    /* Firefox - 完全隐藏 */
    scrollbar-width: none;
    /* IE and Edge - 完全隐藏 */
    -ms-overflow-style: none;
}

/* CJK lang 下 Safari/Chrome 可能对中西文混排自动插空（text-autospace: normal） */
@supports (text-autospace: no-autospace) {
    html {
        text-autospace: no-autospace;
    }
}

/* Chrome/Safari/Edge - 完全隐藏 */
html::-webkit-scrollbar {
    width: 0px;
    background: transparent;
    display: none;
}

/* body 元素也隐藏滚动条 */
body {
    /* Firefox - 完全隐藏 */
    scrollbar-width: none;
    /* IE and Edge - 完全隐藏 */
    -ms-overflow-style: none;
}

body::-webkit-scrollbar {
    width: 0px;
    background: transparent;
    display: none;
}

/* 仅在含 emoji/装饰符号的节点启用彩色呈现；勿用 * —— macOS Chrome 会对普通数字/$ 等套用 emoji 变体导致字距异常 */
.snowflake,
.credits-icon,
.referral-icon,
.menu-icon,
.toast-icon,
.avatar-edit-icon,
.checkin-tick-mark,
.generate-complete-icon,
.mobile-custom-select-option-check,
.menu-toggle {
    font-variant-emoji: emoji;
}


.main-title {
    font-size: 2.5rem;
    font-weight: 600;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    margin: 0;
}

/* 导航栏：文字纯白并加深色描边，浅色/白色背景时也清晰 */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: transparent;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    padding: 0.45rem 0;
    padding-top: calc(0.45rem + env(safe-area-inset-top, 0px));
    margin-bottom: 0;
    margin-top: 0;
    transition: background 0.3s ease, border-bottom-color 0.3s ease;
}

body.generate-page .top-nav,
body.generate-page .top-nav .nav-link,
body.generate-page .top-nav .nav-products-trigger,
body.generate-page .top-nav .upgrade-member-btn,
body.generate-page .top-nav .upgrade-text,
body.generate-page .top-nav .language-switcher,
body.generate-page .top-nav .language-switcher-text,
body.generate-page .top-nav .language-switcher-arrow,
body.generate-page .top-nav .top-login-btn,
body.generate-page .top-nav .nav-menu-toggle {
    color: #111827 !important;
    text-shadow: none !important;
}

/* 导航栏滚动时的样式 */
.top-nav.scrolled {
    background: rgba(255, 255, 255, 0.96) !important;
    border-bottom: 1px solid rgba(15, 23, 42, 0.1) !important;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo-link {
    display: flex;
    align-items: center;
    line-height: 0;
    flex-shrink: 0;
}

.nav-logo-img {
    height: 32px;
    width: auto;
    max-width: 168px;
    object-fit: contain;
    display: block;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.nav-credits-slot {
    display: inline-flex;
    align-items: stretch;
    flex-shrink: 0;
    gap: 0;
    min-height: 34px;
    height: 34px;
    border-radius: 7px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(248, 250, 252, 0.9));
    border: 1px solid rgba(99, 102, 241, 0.22);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    overflow: hidden;
}

.nav-credits-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 34px;
    height: 34px;
    padding: 0 0.65rem;
    border-radius: 0;
    text-decoration: none;
    font-size: var(--nav-ui-font-size, 0.9375rem);
    font-weight: var(--nav-ui-font-weight, 600);
    line-height: 1;
    color: var(--nav-ui-color, #111827);
    background: transparent;
    border: none;
    box-shadow: none;
}

.nav-credits-icon {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
    display: block;
    object-fit: contain;
}

.nav-credits-amount {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.nav-actions-desktop {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 桌面端：横向链接组 */
.nav-links-desktop {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* 汉堡按钮：默认隐藏（仅窄屏显示） */
/* 窄屏顶栏左侧：汉堡（桌面端隐藏） */
.nav-mobile-leading {
    display: none;
    flex-shrink: 0;
    align-items: center;
}

.nav-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.12);
    cursor: pointer;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
    z-index: 10002;
}

.nav-menu-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

body.generate-page .nav-menu-toggle {
    box-shadow: 0 0 1px rgba(0, 0, 0, 0.8);
}

.nav-menu-toggle[aria-expanded="true"] .nav-menu-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-menu-toggle[aria-expanded="true"] .nav-menu-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-menu-toggle[aria-expanded="true"] .nav-menu-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 抽屉：默认隐藏（宽屏） */
.nav-drawer-backdrop,
.nav-drawer {
    display: none;
}

.nav-drawer-backdrop {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.nav-drawer {
    position: fixed;
    top: 0;
    left: 0;
    right: auto;
    z-index: 10001;
    width: min(88vw, 320px);
    max-width: 100%;
    height: 100%;
    height: 100dvh;
    background: rgba(18, 18, 22, 0.98);
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.35);
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    display: flex;
    flex-direction: column;
    touch-action: pan-y;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.nav-drawer.is-open {
    display: flex;
    transform: translateX(0);
}

.nav-drawer-inner {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1;
    overflow: hidden;
}

.nav-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1rem 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.nav-drawer-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
}

.nav-drawer-close {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-drawer-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    padding: 0.75rem 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.nav-drawer-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    color: rgba(255, 255, 255, 0.92);
}

.nav-drawer-item-icon-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.nav-drawer-row-main {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
    flex: 1;
    text-align: left;
}

.nav-drawer-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.78rem 0.95rem;
    min-height: 50px;
    border-radius: 10px;
    color: #fff !important;
    text-decoration: none;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.06);
    box-sizing: border-box;
}

.nav-drawer-link:hover,
.nav-drawer-link.active {
    background: rgba(255, 255, 255, 0.12);
}

.nav-drawer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    text-align: left;
    padding: 0.78rem 0.95rem;
    min-height: 50px;
    border-radius: 10px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 0.95rem;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    box-sizing: border-box;
}

.nav-drawer-row .upgrade-text {
    color: #fff;
}

.nav-drawer-entry-text {
    font: 500 0.95rem/1.3 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: #fff;
}

.nav-drawer-body .nav-drawer-entry-text {
    font-size: 0.95rem !important;
    line-height: 1.3 !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
    font-weight: 500 !important;
}

.nav-drawer-row,
.nav-drawer-link {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

#messageCenterBtnDrawer .nav-drawer-row-label,
#upgradeMemberBtnDrawer .upgrade-text {
    font-weight: 500;
}

#upgradeMemberBtnDrawer.upgrade-member-btn {
    width: 100%;
    height: auto;
    min-height: 50px;
    justify-content: flex-start;
    padding: 0.78rem 0.95rem;
    font-size: 0.95rem !important;
}

#messageCenterBtnDrawer {
    width: 100%;
    height: auto;
    min-height: 50px;
    margin-right: 0;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    background-image: none;
    justify-content: space-between;
    padding: 0.78rem 0.95rem;
}

#messageCenterBtnDrawer:hover {
    background: rgba(255, 255, 255, 0.12);
    background-image: none;
}

body.nav-drawer-open .nav-menu-toggle {
    opacity: 0;
    pointer-events: none;
}

.nav-drawer-row .message-badge,
.nav-drawer .message-badge--drawer {
    position: static;
}

.nav-drawer-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin: 0.75rem 0 0.35rem;
    padding: 0 0.25rem;
}

.nav-drawer-language-switcher-container {
    position: relative;
}

.nav-drawer-language-switcher {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    cursor: pointer;
    font-size: 0.95rem;
    text-align: left;
}

.nav-drawer-language-dropdown {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 0.35rem;
}

.nav-drawer-language-switcher-container.active .nav-drawer-language-dropdown {
    display: flex;
}

.nav-drawer-language-dropdown .nav-drawer-lang-btn {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    cursor: pointer;
    font-size: 0.95rem;
    text-align: left;
}

.nav-drawer-language-dropdown .nav-drawer-lang-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.nav-drawer-language-switcher .language-switcher-arrow {
    margin-left: auto;
    display: inline-block;
    transform: rotate(0deg);
    transition: transform 0.2s ease;
}

.nav-drawer-language-switcher-container.active .language-switcher-arrow {
    transform: rotate(180deg);
}

.nav-drawer-language-dropdown .language-flag-img,
.nav-drawer-language-switcher .language-switcher-flag-img {
    width: 1.35em;
    height: 1em;
    object-fit: cover;
    border-radius: 2px;
}

.nav-drawer-auth {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.nav-drawer-auth .top-login-btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
}

.nav-drawer-avatar {
    display: block;
}

body.nav-drawer-open {
    overflow: hidden;
    overscroll-behavior: none;
    touch-action: none;
}

@media (min-width: 769px) {
    .nav-drawer,
    .nav-drawer-backdrop {
        display: none !important;
    }

    .nav-menu-toggle {
        display: none !important;
    }

    body.nav-drawer-open {
        overflow: auto;
    }
}

@media (max-width: 768px) {
    .nav-mobile-leading {
        display: flex;
    }

    .nav-menu-toggle {
        display: flex;

    }

    .nav-drawer {
        display: flex;
        transform: translateX(-100%);
        pointer-events: none;
    }

    .nav-drawer.is-open {
        transform: translateX(0);
        pointer-events: auto;
    }
}

.nav-link {
    color: #111827 !important;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 1.0625rem;
    font-weight: 600;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.1);
}

.top-nav .logo h2 {
    color: white;
    font-size: 1.5rem;
    margin: 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: #111827 !important;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;

.main-content {
    position: relative;
    z-index: 1;
    max-width: 1050px;
    margin: 0 auto;
    padding: 0 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* 背景切换：两层叠在内容背后，铺满区域作为背景 */
.bg-container {
    position: absolute;
    inset: 0;
    min-height: 100vh;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
}

.upper-module > *:not(.bg-container) {
    position: relative;
    z-index: 1;
}

.bg-layer {
    position: absolute;
    inset: 0;
    min-height: 100vh;
    background-color: #1a0a0a;
    transition: opacity 1s ease;
    pointer-events: none;
}

.bg-layer-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.bg-current {
    opacity: 1;
}

.bg-next {
    opacity: 0;
}

/* 上边模块容器（包含顶部标题、生成卡片和预览区域） */
.upper-module {
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-top: 0;
    padding: 0;
    padding-top: 6rem; /* 顶部留出空间给固定导航栏 */
    padding-bottom: 2rem; /* 减少底部边距，使内容能完整显示 */
    min-height: 100vh;
    height: auto;
    overflow: visible;

.studio-bg-card.studio-bg-add-card {
    border: 1px dashed #cbd5e1;
}

.studio-bg-add-mark {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    font-size: 30px;
    color: #64748b;
}

@media (max-width: 900px) {
    .upload-route-entry-title {
        font-size: clamp(24px, 6.2vw, 34px);
        letter-spacing: -0.022em;
    }

    .upload-route-entry-card .home-upload-btn {
        min-width: 186px;
        height: 46px;
        font-size: 20px;
        padding: 0 22px;
    }

    .upload-route-entry-card .home-upload-drop {
        font-size: 23px;
        margin-top: 10px;
    }

    .upload-route-entry-card .home-upload-subhint {
        font-size: 17px;
        margin-top: 2px;
    }

    .upload-route-entry .home-upload-samples-title {
        font-size: 19px;
    }

    .upload-route-entry .home-sample-dot {
        width: 42px;
        height: 42px;
        border-radius: 12px;
    }

    .upload-route-entry .home-upload-terms {
        font-size: 11px;
    }

    .upload-route-entry-plus {
        right: 8px;
        top: 4px;
    }
}

.home-hero {
    display: grid;
    grid-template-columns: minmax(420px, 560px) minmax(340px, 460px);
    gap: 28px;
    margin: 26px 0 24px;
    align-items: center;
    justify-content: center;
    justify-items: stretch;
}

.home-hero-example,
.home-hero-upload {
    background: transparent;
    border: 0;
    padding: 0;
}

.home-hero > .home-hero-example {
    justify-self: start;
    transform: translateY(-48px);
}

.home-hero-upload {
    justify-self: end;
}

.home-hero-title {
    margin: 14px 0 10px;
    color: #2f3138;
    font-size: clamp(34px, 4vw, 58px);
    line-height: 0.98;
    letter-spacing: -1px;
    font-weight: 800;
}

.home-hero-subtitle {
    margin: 0;
    color: #4b5563;
    font-size: clamp(20px, 2.2vw, 34px);
    font-weight: 600;
}

.home-hero-compare {
    position: relative;
    width: min(520px, 100%);
    height: auto;
    aspect-ratio: var(--compare-aspect, 16 / 10);
    overflow: hidden;
    border-radius: 14px;
    background-color: #ffffff;
    background-image:
        linear-gradient(45deg, #d9d9d9 25%, transparent 25%),
        linear-gradient(-45deg, #d9d9d9 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #d9d9d9 75%),
        linear-gradient(-45deg, transparent 75%, #d9d9d9 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    touch-action: pan-y;
    overscroll-behavior-x: contain;
}

.home-hero-origin,
.home-hero-removed,
.home-hero-compare picture img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.home-hero-removed {
    z-index: 1;
}

.home-hero-origin-wrap {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
    clip-path: inset(0 50% 0 0);
    -webkit-clip-path: inset(0 50% 0 0);
}

.home-hero-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.12);
    z-index: 3;
    pointer-events: none;
}

.home-hero-slider {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.home-hero-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 42px;
    height: 42px;
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.95);
    background: rgba(15, 23, 42, 0.45);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: ew-resize;
    z-index: 5;
    user-select: none;
    touch-action: none;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.25);
}

.home-hero-handle:active {
    cursor: ew-resize;
}

.home-upload-card {
    width: min(100%, 460px);
    background: #fff;
    border-radius: 30px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
    border: 1px solid #eceef3;
    padding: 72px 32px 54px;
    text-align: center;
}

.home-upload-btn {
    width: auto;

    font-size: 1.35rem;
    font-weight: 700;
    text-shadow: none;
}
.faq-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    text-align: left;
    max-width: 960px;
    margin: 0 auto;
}
@media (max-width: 768px) {
    .faq-list {
        grid-template-columns: 1fr;
    }
}
.faq-item {
    background: #ffffff;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    border: 1px solid #e5e7eb;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}
.faq-q {
    font-size: 1.05rem;
    font-weight: 700;
    color: #111827;
    margin: 0 0 0.5rem 0;
}
.faq-a {
    font-size: 0.95rem;
    color: #374151;
    line-height: 1.6;
    margin: 0;