/* 全站同一套：深色星场、白面板、红色只做点缀。盖在其他样式之后。 */

html,
body {
    background: #070910 !important;
    color: #e8ebf2;
}

body::before,
body::after {
    display: none !important;
    content: none !important;
    background: none !important;
}

.field-sky {
    position: fixed;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: block !important;
}

body > *:not(.field-sky) {
    position: relative;
    z-index: 1;
}

.navbar {
    z-index: 2000 !important;
    position: fixed !important;
    top: 8px !important;
    left: 50% !important;
    right: auto !important;
    width: min(1120px, calc(100% - 20px)) !important;
    height: auto !important;
    min-height: 0 !important;
    padding: 0 !important;
    transform: translateX(-50%) !important;
    border-radius: 999px !important;
    background: rgba(255, 255, 255, 0.94) !important;
    border: 1px solid rgba(255, 255, 255, 0.7) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18) !important;
    overflow: visible !important;
}

.navbar.scrolled {
    background: #fff !important;
}

.nav-container {
    min-height: 64px !important;
    height: auto !important;
    padding: 6px 22px !important;
}

.nav-logo img {
    height: 52px !important;
    max-height: 52px !important;
}

.nav-menu {
    gap: 1.35rem !important;
}

.nav-link {
    color: #17191f !important;
    font-size: 14px !important;
    padding: 0 !important;
}

.nav-link::after {
    background: #c4161c !important;
}

.market-ticker {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    display: block !important;
    width: 100% !important;
    margin: 84px 0 0;
    height: 32px !important;
    overflow: hidden !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: rgba(232, 235, 242, 0.72) !important;
}

.ticker-track {
    display: flex !important;
    align-items: center;
    height: 100%;
    width: max-content !important;
    max-width: none !important;
    gap: 0;
    animation-name: fieldTicker !important;
    animation-duration: 28s !important;
    animation-timing-function: linear !important;
    animation-iteration-count: infinite !important;
    animation-play-state: running !important;
    will-change: transform;
}

.ticker-item {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 0.4rem;
    padding: 0 1.35rem;
    white-space: nowrap;
}

@keyframes fieldTicker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.market-ticker::before,
.market-ticker::after {
    background: linear-gradient(90deg, #070910, transparent) !important;
}
.market-ticker::after {
    background: linear-gradient(-90deg, #070910, transparent) !important;
}

.ticker-symbol,
.ticker-price {
    color: #f4f6fb !important;
}

/* 首屏改成左对齐大标题 + 底部三栏，不再是居中的一段字 */
.hero {
    position: relative !important;
    overflow: hidden !important;
    min-height: calc(100vh - 126px) !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-end !important;
    text-align: left !important;
    padding: 48px 6vw 42px !important;
    background: #070910 !important;
    color: #f7f8fa !important;
}

.hero-reel {
    display: block !important;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 48%;
    z-index: 0;
    pointer-events: none;
    opacity: 1 !important;
    mix-blend-mode: normal;
    background: #070910;
}

.hero::after {
    display: block !important;
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(7, 9, 16, 0.78) 0%, rgba(7, 9, 16, 0.42) 34%, rgba(7, 9, 16, 0.12) 68%, rgba(7, 9, 16, 0.28) 100%),
        linear-gradient(180deg, rgba(7, 9, 16, 0.18) 0%, transparent 28%, rgba(7, 9, 16, 0.55) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: min(880px, 100%) !important;
    margin: 0 0 auto !important;
    text-align: left !important;
}

.hero-kicker {
    color: #ffb4b6 !important;
    letter-spacing: 0.18em !important;
}

.hero-title {
    margin: 0 0 1rem !important;
    max-width: 11em !important;
    text-align: left !important;
    color: #f7f8fa !important;
    -webkit-text-fill-color: #f7f8fa !important;
    text-shadow: 0 8px 32px rgba(0, 0, 0, 0.55) !important;
}

.hero-subtitle,
.hero-subtitle.hero-lead {
    margin-left: 0 !important;
    margin-right: 0 !important;
    color: rgba(244, 246, 251, 0.78) !important;
    text-align: left !important;
}

.hero-buttons {
    justify-content: flex-start !important;
}

.hero-rail {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    text-align: left;
}

.hero-rail article span {
    display: block;
    margin-bottom: 8px;
    color: #ffb4b6;
    font-size: 12px;
    letter-spacing: 0.16em;
    font-weight: 700;
}

.hero-rail h3 {
    margin: 0 0 8px;
    color: #fff;
    font-size: 1.05rem;
}

.hero-rail p {
    margin: 0;
    color: rgba(244, 246, 251, 0.72);
    line-height: 1.7;
    font-size: 0.95rem;
}

.hero-scroll {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* 正文收成浮在星场上的白面板 */
.method-section,
.research-section,
.path-section,
.features-section,
.courses-section,
.trial-section,
.faq-section,
.contact-section,
.complaint-section,
.learn-page,
.trial-page,
.trial-landing,
.quiz-page,
.research-page,
.auth-page,
.mycourses-page {
    background: transparent !important;
    background-image: none !important;
}

.method-section .container,
.research-section .container,
.path-section .container,
.features-section .container,
.courses-section .container,
.trial-section .container,
.faq-section .container,
.contact-section .container,
.complaint-section .container {
    background: #ffffff !important;
    color: #17191f;
    border-radius: 28px;
    padding: 72px 48px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.contact-section::before,
.contact-section::after,
.faq-section::before,
.faq-section::after {
    background: none !important;
    display: none !important;
}

.contact-item,
.order-section {
    background: #ffffff !important;
    border: 1px solid rgba(23, 25, 31, 0.08) !important;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05) !important;
}

.faq-item,
.feature-item {
    background: #ffffff !important;
}

.contact-item:hover {
    background: #ffffff !important;
    border-color: rgba(196, 22, 28, 0.22) !important;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08) !important;
}

.method-section,
.research-section,
.path-section,
.features-section,
.courses-section,
.trial-section,
.faq-section,
.contact-section {
    padding: 18px 20px 8px !important;
}

.section-title,
.method-section h2,
.method-section h3,
.research-section h2,
.research-section h3,
.path-section h2,
.path-section h3,
.features-section h2,
.features-section h3,
.courses-section h2,
.courses-section h3,
.faq-section h2,
.faq-section h3,
.contact-section h2,
.contact-section h3,
.section-description,
.research-lead,
.method-step p,
.path-card p,
.feature-item p,
.faq-item p,
.course-features,
.trial-content p {
    color: #17191f !important;
    -webkit-text-fill-color: #17191f !important;
}

.section-description,
.research-lead,
.method-step p,
.path-card p,
.feature-item p,
.faq-item p,
.trial-content p {
    color: #3c4250 !important;
    -webkit-text-fill-color: #3c4250 !important;
}

.method-steps {
    position: relative;
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 0 !important;
    max-width: 860px;
    margin: 12px auto 0 !important;
}

.method-steps::before {
    content: '';
    position: absolute;
    left: 27px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: rgba(23, 25, 31, 0.14);
}

.method-steps::after {
    content: '';
    position: absolute;
    left: 27px;
    top: 8px;
    width: 1px;
    height: var(--line, 0%);
    background: #c4161c;
    transition: height 0.15s linear;
}

.method-step {
    display: grid !important;
    grid-template-columns: 72px 1fr;
    gap: 8px 18px;
    align-items: start;
    padding: 22px 8px !important;
    border: none !important;
    border-top: none !important;
    background: transparent !important;
    text-align: left !important;
}

.method-step-num {
    grid-column: 1;
    grid-row: 1 / span 2;
    color: #c4161c !important;
    font-size: 0.95rem !important;
    letter-spacing: 0.08em !important;
}

.method-step h3,
.method-step p {
    grid-column: 2;
    max-width: none !important;
}

.method-step:hover,
.feature-item:hover,
.path-card:hover,
.faq-item:hover,
.course-card:hover,
.sidebar-card:hover {
    transform: translateY(-4px) !important;
}

.title-underline {
    background: #c4161c !important;
}

.course-header,
body[data-page="arbitrage"] .course-header,
.learn-hero {
    background: transparent !important;
    background-image: none !important;
    color: #f7f8fa !important;
}

.course-header,
body[data-page="arbitrage"] .course-header {
    min-height: 78vh !important;
}

.net-canvas {
    display: none !important;
}

.course-header .hero-reel {
    display: none !important;
}

.net-video {
    display: block !important;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 48%;
    z-index: 0;
    pointer-events: none;
    opacity: 1 !important;
    mix-blend-mode: normal;
    animation: none !important;
    transform: none !important;
    visibility: visible !important;
    background: #070910;
    -webkit-mask-image: none;
    mask-image: none;
}

.course-header::after {
    display: block !important;
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(7, 9, 16, 0.38) 0%, rgba(7, 9, 16, 0.14) 36%, rgba(7, 9, 16, 0.04) 62%, rgba(7, 9, 16, 0.12) 100%);
}

.course-header .container {
    position: relative;
    z-index: 3;
}

.course-header-content > * {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
}

.hero-video {
    display: none !important;
}

.course-header h1,
.course-subtitle,
.course-header .hero-subtitle,
.course-header .course-price-large,
.course-header .course-meta,
.course-header .course-badge-large,
.learn-hero h1,
.learn-hero p {
    color: #f7f8fa !important;
    -webkit-text-fill-color: #f7f8fa !important;
    background: none !important;
    background-image: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
    text-shadow: 0 2px 18px rgba(0, 0, 0, 0.55) !important;
}

.course-details,
.details-main,
.sidebar-card,
.detail-section,
.quiz-container,
.auth-card,
.learn-card,
.trial-card,
.complaint-card,
.research-heatmap-card,
.research-note,
.path-card,
.feature-item,
.faq-item,
.course-card {
    background: #fff !important;
    color: #17191f !important;
    border: 1px solid rgba(23, 25, 31, 0.06) !important;
    border-radius: 22px !important;
}

.learn-card .learn-card-header,
a.learn-card .learn-card-header {
    background: #16181e !important;
    background-image: none !important;
    color: #f7f8fa !important;
}

.learn-card .learn-card-header h2,
.learn-card .learn-card-header .price,
.learn-card .learn-card-header .course-badge-large,
a.learn-card .learn-card-header h2,
a.learn-card .learn-card-header .price,
a.learn-card .learn-card-header .course-badge-large {
    color: #f7f8fa !important;
    -webkit-text-fill-color: #f7f8fa !important;
    background: none !important;
    background-image: none !important;
    -webkit-background-clip: border-box !important;
    background-clip: border-box !important;
}

.learn-card-body,
.learn-card-body p {
    color: #333 !important;
    -webkit-text-fill-color: #333 !important;
    background: #fff !important;
}

.learn-card-footer {
    background: #fff !important;
}

a.learn-card .learn-card-footer .btn,
a.learn-card .learn-card-footer .btn-primary,
.learn-card .learn-card-footer .btn,
.learn-card .learn-card-footer .btn-primary,
body[data-page="learn"] a.learn-card span.btn {
    background: #c4161c !important;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    border: none !important;
    background-image: none !important;
}

.detail-section h2,
.sidebar-card h3,
.outline-week h3,
.content-item,
.course-card h3,
.trial-card h3 {
    color: #17191f !important;
    -webkit-text-fill-color: #17191f !important;
}

.course-details {
    background: transparent !important;
    border: none !important;
    padding: 12px 20px 40px !important;
}

.footer {
    background: transparent !important;
    color: rgba(232, 235, 242, 0.62) !important;
}

.footer a {
    color: rgba(232, 235, 242, 0.78) !important;
}

.faq-item p {
    max-height: 0;
    overflow: hidden;
    margin: 0 !important;
    opacity: 0;
    transition: max-height 0.45s ease, opacity 0.35s ease, margin 0.35s ease;
}

.faq-item.is-open p {
    max-height: 240px;
    margin-top: 10px !important;
    opacity: 1;
}

.faq-item h3 {
    cursor: pointer;
}

.faq-item h3::after {
    content: '+';
    float: right;
    color: #c4161c;
    font-weight: 500;
}

.faq-item.is-open h3::after {
    content: '–';
}

.btn-primary,
.btn-course,
.btn-order {
    background: #17191f !important;
    color: #fff !important;
}

.hero .btn-primary {
    background: #f7f8fa !important;
    color: #17191f !important;
}

.hero .btn-outline {
    color: #f7f8fa !important;
    border-color: rgba(255, 255, 255, 0.45) !important;
    background: transparent !important;
}

/* 小屏：动画完整 16:9 叠在文字后面，不裁切、不拆到文字下面 */
@media (max-width: 1024px) {
    .course-header,
    body[data-page="arbitrage"] .course-header {
        position: relative !important;
        overflow: hidden !important;
        min-height: calc(100vw * 9 / 16) !important;
        padding: 36px 24px 32px !important;
        background: #070910 !important;
    }

    .net-video {
        position: absolute !important;
        left: 0 !important;
        right: 0 !important;
        top: 0 !important;
        bottom: auto !important;
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 16 / 9;
        object-fit: contain !important;
        object-position: center center !important;
        transform: none !important;
        -webkit-mask-image: none !important;
        mask-image: none !important;
    }

    .course-header::after {
        display: block !important;
        background:
            linear-gradient(90deg, rgba(7, 9, 16, 0.55) 0%, rgba(7, 9, 16, 0.28) 50%, rgba(7, 9, 16, 0.16) 100%),
            linear-gradient(180deg, rgba(7, 9, 16, 0.2) 0%, rgba(7, 9, 16, 0.06) 45%, rgba(7, 9, 16, 0.34) 100%) !important;
    }

    .course-header h1,
    .course-subtitle,
    .course-header .hero-subtitle,
    .course-header .course-price-large,
    .course-header .course-meta,
    .course-header .course-badge-large {
        color: #f7f8fa !important;
        -webkit-text-fill-color: #f7f8fa !important;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.95), 0 4px 18px rgba(0, 0, 0, 0.82) !important;
    }

    .hero {
        min-height: calc(100vw * 9 / 16) !important;
        padding: 28px 5vw 24px !important;
    }

    .hero-reel {
        position: absolute !important;
        left: 0 !important;
        right: 0 !important;
        top: 0 !important;
        bottom: auto !important;
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 16 / 9;
        object-fit: contain !important;
        object-position: center center !important;
        transform: none !important;
    }

    .hero::after {
        background:
            linear-gradient(90deg, rgba(7, 9, 16, 0.6) 0%, rgba(7, 9, 16, 0.3) 50%, rgba(7, 9, 16, 0.18) 100%),
            linear-gradient(180deg, rgba(7, 9, 16, 0.18) 0%, rgba(7, 9, 16, 0.06) 42%, rgba(7, 9, 16, 0.42) 100%) !important;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex !important;
        width: 44px !important;
        height: 44px !important;
        align-items: center !important;
        justify-content: center !important;
        flex-shrink: 0 !important;
    }

    .course-header,
    body[data-page="arbitrage"] .course-header {
        padding: 28px 18px 24px !important;
    }

    .course-header-content {
        max-width: none !important;
    }

    .course-header h1 {
        font-size: 1.7rem !important;
        line-height: 1.25 !important;
        max-width: none !important;
    }

    .hero {
        padding: 22px 18px 26px !important;
    }

    .hero-title {
        max-width: none !important;
        font-size: 1.85rem !important;
    }

    .hero-content {
        width: 100% !important;
    }
}

@media (max-width: 800px) {
    .hero-rail,
    .method-step {
        grid-template-columns: 1fr;
    }

    .method-steps::before,
    .method-steps::after {
        display: none;
    }

    .method-section .container,
    .research-section .container,
    .path-section .container,
    .features-section .container,
    .courses-section .container,
    .trial-section .container,
    .faq-section .container,
    .contact-section .container,
    .complaint-section .container {
        padding: 36px 20px;
        border-radius: 20px;
    }

    .navbar {
        width: calc(100% - 16px) !important;
        border-radius: 18px !important;
    }

    .nav-menu {
        background: #fff !important;
        border-radius: 16px;
    }

    .nav-link {
        color: #17191f !important;
    }
}