@charset "UTF-8";

:root
{
    --orange: #ff8b16;
    --gold: #ffc923;
    --leaf: #78bd2e;
    --ink: #2b2119;
    --paper: #fffaf1;
    --cream: #fff1d8;
    --line: #ead8bf;
    --muted: #796b5b;
    --header-height: 68px;
    --rail-width: clamp(190px, 16vw, 248px);
}

*
{
    box-sizing: border-box;
}

html
{
    scroll-behavior: smooth;
}

body
{
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: "Microsoft YaHei", Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

a
{
    color: inherit;
    text-decoration: none;
}

button
{
    font: inherit;
}

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

.page-top
{
    position: absolute;
    top: 0;
}

.site-header
{
    position: fixed;
    z-index: 20;
    top: 0;
    right: 0;
    left: 0;
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 26px;
    color: #ffffff;
    background: var(--orange);
    border-bottom: 3px solid var(--gold);
}

.brand,
.footer-brand
{
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand img,
.footer-brand img
{
    width: 39px;
    height: 39px;
    object-fit: contain;
    border-radius: 5px;
    background: #ffffff;
}

.brand span,
.footer-brand span
{
    display: grid;
    gap: 2px;
}

.brand strong,
.footer-brand strong
{
    font-size: 17px;
}

.brand small,
.footer-brand small
{
    font-size: 12px;
    opacity: .88;
}

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

.header-download,
.hero-download,
.download-section a
{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 13px;
    min-height: 44px;
    padding: 0 20px;
    font-weight: 800;
    border-radius: 5px;
    transition: transform .2s ease, background .2s ease;
}

.header-download
{
    color: var(--ink);
    background: #ffffff;
}

.header-download:hover,
.hero-download:hover,
.download-section a:hover
{
    transform: translateY(-2px);
}

.menu-toggle
{
    display: none;
    width: 43px;
    height: 40px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, .82);
    border-radius: 5px;
    background: transparent;
}

.menu-toggle span
{
    display: block;
    height: 2px;
    margin: 4px 0;
    background: #ffffff;
}

.channel-nav
{
    position: fixed;
    z-index: 15;
    top: var(--header-height);
    bottom: 0;
    left: 0;
    width: var(--rail-width);
    padding: 20px 10px 26px;
    background: #ffffff;
    border-right: 1px solid var(--line);
}

.channel-nav ul
{
    margin: 0;
    padding: 0;
    list-style: none;
}

.channel-nav li + li
{
    margin-top: 10px;
}

.channel-nav a
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 54px;
    padding: 0 14px;
    font-weight: 800;
    border: 2px solid var(--ink);
    border-radius: 5px;
}

.channel-nav a.is-current,
.channel-nav a:hover
{
    color: #ffffff;
    background: var(--orange);
    border-color: var(--orange);
}

.channel-nav b
{
    font-size: 11px;
}

.channel-nav p
{
    position: absolute;
    right: 24px;
    bottom: 24px;
    left: 24px;
    padding-top: 24px;
    color: var(--muted);
    font-size: 13px;
    font-style: italic;
    line-height: 1.7;
    border-top: 1px solid var(--line);
}

main
{
    padding-top: var(--header-height);
    padding-left: var(--rail-width);
}

.hero
{
    position: relative;
    min-height: 660px;
    display: flex;
    align-items: center;
    padding: 80px clamp(42px, 9vw, 150px);
    overflow: hidden;
    color: #ffffff;
    background: linear-gradient(90deg, rgba(25, 18, 14, .87), rgba(25, 18, 14, .54)), url("../images/bjt.jpg") center / cover;
}

.hero-copy
{
    position: relative;
    z-index: 1;
    max-width: 650px;
    padding: 36px 40px;
    border-left: 7px solid var(--gold);
    background: rgba(20, 15, 11, .72);
}

.eyebrow,
.section-kicker
{
    margin: 0 0 12px;
    color: var(--gold);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .14em;
}

h1,
h2,
p
{
    margin-top: 0;
}

h1
{
    margin-bottom: 14px;
    font-size: clamp(50px, 7vw, 86px);
    line-height: .98;
}

.hero-slogan
{
    display: inline-block;
    margin-bottom: 22px;
    padding: 6px 10px;
    color: var(--ink);
    font-size: clamp(25px, 3vw, 40px);
    font-weight: 900;
    line-height: 1.24;
    background: var(--gold);
}

.hero-description
{
    max-width: 550px;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.85;
}

.hero-tags
{
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
}

.hero-tags span
{
    padding: 5px 10px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, .72);
    border-radius: 5px;
}

.hero-download
{
    color: var(--ink);
    background: var(--gold);
}

.age-label
{
    display: block;
    margin-top: 15px;
    color: rgba(255, 255, 255, .75);
    font-size: 12px;
}

.page-content
{
    max-width: 1200px;
    margin: 0 auto;
    padding: 88px 42px;
}

.section
{
    scroll-margin-top: 88px;
    margin-bottom: 104px;
}

.section-heading,
.gallery-heading,
.voices-heading
{
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 26px;
}

h2
{
    margin-bottom: 10px;
    font-size: clamp(33px, 4vw, 52px);
    line-height: 1.05;
}

.section-heading > p,
.gallery-heading > p,
.voices-heading > p
{
    max-width: 370px;
    margin-bottom: 8px;
    color: var(--muted);
    line-height: 1.75;
}

.updates-layout
{
    display: grid;
    grid-template-columns: 1fr .72fr;
    gap: 18px;
}

.episode-list
{
    background: #ffffff;
    border: 1px solid var(--line);
}

.episode-list article
{
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: 15px;
    align-items: center;
    min-height: 104px;
    padding: 18px 24px;
}

.episode-list article + article
{
    border-top: 1px solid var(--line);
}

.episode-list time
{
    color: var(--orange);
    font-size: 20px;
    font-weight: 900;
}

.episode-list b,
.episode-list span
{
    display: block;
}

.episode-list span
{
    margin-top: 6px;
    color: var(--muted);
    font-size: 13px;
}

.episode-list em
{
    padding: 4px 8px;
    color: var(--leaf);
    font-size: 12px;
    font-style: normal;
    background: #eef7df;
}

.episode-feature,
.gallery-grid figure,
.feature-board figure
{
    position: relative;
    margin: 0;
    overflow: hidden;
    border-radius: 5px;
}

.episode-feature
{
    min-height: 318px;
}

.episode-feature img,
.gallery-grid img,
.feature-board figure img
{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.episode-feature figcaption,
.gallery-grid figcaption,
.feature-board figcaption
{
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 34px 18px 16px;
    color: #ffffff;
    background: linear-gradient(transparent, rgba(0, 0, 0, .78));
}

.episode-feature span,
.episode-feature b
{
    display: block;
}

.episode-feature span
{
    margin-bottom: 5px;
    color: var(--gold);
    font-size: 11px;
    font-weight: 900;
}

.cover-rail
{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 18px;
}

.cover-rail article
{
    min-width: 0;
}

.cover-rail img
{
    width: 100%;
    aspect-ratio: 1.28;
    object-fit: cover;
    border-radius: 5px;
}

.cover-rail b,
.cover-rail span
{
    display: block;
}

.cover-rail b
{
    margin-top: 9px;
}

.cover-rail span
{
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
}

.features
{
    display: grid;
    grid-template-columns: .65fr 1.35fr;
    gap: 40px;
    align-items: start;
    padding: 50px;
    background: var(--cream);
}

.feature-copy p:last-child
{
    color: var(--muted);
    line-height: 1.85;
}

.feature-board
{
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    grid-template-rows: repeat(3, minmax(150px, 1fr));
    gap: 10px;
}

.feature-board figure
{
    min-height: 490px;
    grid-row: span 3;
}

.feature-board article
{
    min-height: 0;
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--line);
}

.feature-board article.accent
{
    color: #ffffff;
    background: var(--orange);
    border-color: var(--orange);
}

.feature-board i,
.guide-grid span
{
    display: block;
    margin-bottom: 25px;
    color: var(--orange);
    font-size: 14px;
    font-style: normal;
    font-weight: 900;
}

.feature-board article.accent i
{
    color: var(--gold);
}

.feature-board b
{
    font-size: 18px;
}

.feature-board p
{
    margin: 10px 0 0;
    font-size: 13px;
    line-height: 1.7;
}

.guide-grid,
.review-grid
{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.guide-grid article
{
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 5px;
}

.guide-grid p
{
    margin: 9px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.75;
}

.faq
{
    display: grid;
    grid-template-columns: .55fr 1.45fr;
    gap: 60px;
    padding: 48px;
    background: #f5ead7;
}

.faq-intro p:last-child
{
    color: var(--muted);
    line-height: 1.75;
}

.faq-list details
{
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 5px;
}

.faq-list details + details
{
    margin-top: 9px;
}

.faq-list summary
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px;
    font-weight: 800;
    cursor: pointer;
    list-style: none;
}

.faq-list summary::-webkit-details-marker
{
    display: none;
}

.faq-list summary b
{
    color: var(--orange);
}

.faq-list p
{
    margin: 0;
    padding: 0 18px 18px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
}

.faq-list a
{
    color: var(--orange);
    text-decoration: underline;
}

.gallery-grid
{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 190px;
    gap: 10px;
}

.gallery-grid figure
{
    height: auto;
}

.gallery-grid .main-frame
{
    height: auto;
    grid-column: span 2;
    grid-row: span 2;
}

.review-grid
{
    grid-template-columns: repeat(3, 1fr);
}

.review-grid article
{
    display: flex;
    min-height: 274px;
    flex-direction: column;
    padding: 22px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 5px;
}

.review-head
{
    display: grid;
    grid-template-columns: 38px 1fr auto;
    gap: 10px;
    align-items: center;
}

.review-head span
{
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: #ffffff;
    font-weight: 800;
    background: var(--orange);
    border-radius: 50%;
}

.review-head em
{
    color: #f4a817;
    font-size: 12px;
    font-style: normal;
}

.review-grid article > p
{
    margin: 17px 0;
    color: #5e5145;
    font-size: 14px;
    line-height: 1.8;
}

.review-grid time
{
    margin-top: auto;
    color: var(--muted);
    font-size: 12px;
    text-align: right;
}

.download-section
{
    padding: 58px 40px;
    color: #ffffff;
    background: var(--ink);
}

.download-section h2
{
    max-width: 620px;
}

.download-section a
{
    display: flex;
    width: max-content;
    min-height: 50px;
    margin: 0 auto;
    color: #ffffff;
    background: var(--orange);
}

.site-footer
{
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    min-height: 170px;
    padding: 30px max(32px, 5vw);
    color: #ffffff;
    background: #2a1d16;
}

.footer-nav
{
    display: flex;
    justify-content: center;
    gap: 0;
}

.footer-nav a
{
    padding: 0 12px;
    font-size: 13px;
    border-right: 1px solid rgba(255, 255, 255, .38);
}

.footer-nav a:last-child
{
    border-right: 0;
}

.site-footer > p
{
    grid-column: 2;
    margin: 0;
    color: rgba(255, 255, 255, .75);
    font-size: 12px;
    text-align: center;
}

.back-top
{
    position: fixed;
    z-index: 18;
    right: 24px;
    bottom: 24px;
    width: 46px;
    height: 46px;
    color: var(--ink);
    font-size: 22px;
    font-weight: 900;
    border: 0;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 8px 20px rgba(66, 42, 11, .24);
    cursor: pointer;
}

@media (max-width: 760px)
{
    :root
    {
        --header-height: 65px;
    }

    .site-header
    {
        padding: 0 14px;
    }

    .brand img
    {
        width: 36px;
        height: 36px;
    }

    .brand strong
    {
        font-size: 15px;
    }

    .brand small
    {
        font-size: 11px;
    }

    .header-download
    {
        min-height: 38px;
        padding: 0 10px;
        font-size: 13px;
    }

    .header-download b
    {
        display: none;
    }

    .menu-toggle
    {
        display: block;
    }

    .channel-nav
    {
        top: var(--header-height);
        width: min(82vw, 320px);
        padding: 18px 12px;
        box-shadow: 8px 15px 30px rgba(43, 33, 25, .2);
        transform: translateX(-105%);
        transition: transform .24s ease;
    }

    .channel-nav.is-open
    {
        transform: translateX(0);
    }

    .channel-nav p
    {
        display: none;
    }

    main
    {
        padding-left: 0;
    }

    .hero
    {
        min-height: 610px;
        justify-content: center;
        padding: 92px 14px 50px;
        background-position: center;
    }

    .hero-copy
    {
        width: 100%;
        padding: 28px 20px;
        text-align: center;
        border-top: 5px solid var(--gold);
        border-left: 0;
    }

    .hero-tags,
    .hero-download
    {
        justify-content: center;
    }

    .hero-description
    {
        font-size: 14px;
    }

    .page-content
    {
        padding: 58px 14px;
    }

    .section
    {
        margin-bottom: 68px;
    }

    .section-heading,
    .gallery-heading,
    .voices-heading
    {
        display: block;
    }

    .section-heading > p,
    .gallery-heading > p,
    .voices-heading > p
    {
        margin-top: 12px;
    }

    .updates-layout,
    .features,
    .faq
    {
        grid-template-columns: 1fr;
    }

    .episode-list article
    {
        grid-template-columns: 65px 1fr;
        padding: 16px;
    }

    .episode-list em
    {
        display: none;
    }

    .cover-rail
    {
        display: flex;
        padding-bottom: 8px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
    }

    .cover-rail article
    {
        min-width: 190px;
        scroll-snap-align: start;
    }

    .features,
    .faq
    {
        gap: 28px;
        padding: 28px 18px;
    }

    .feature-board
    {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }

    .feature-board figure
    {
        min-height: 300px;
        grid-column: auto;
        grid-row: auto;
    }

    .feature-board article
    {
        min-height: 175px;
    }

    .guide-grid,
    .review-grid
    {
        grid-template-columns: 1fr;
    }

    .guide-grid article
    {
        min-height: 0;
    }

    .gallery-grid
    {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: 155px;
    }

    .gallery-grid figure,
    .gallery-grid .main-frame
    {
        height: auto;
        grid-row: auto;
    }

    .gallery-grid .main-frame
    {
        grid-column: span 2;
        grid-row: span 2;
    }

    .review-grid article
    {
        min-height: 0;
    }

    .download-section
    {
        padding: 46px 20px;
        text-align: center;
    }

    .download-section a
    {
        margin: 0 auto;
    }

    .site-footer
    {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 20px;
        padding: 38px 18px;
        text-align: center;
    }

    .footer-brand
    {
        justify-content: center;
    }

    .footer-nav
    {
        flex-wrap: wrap;
        row-gap: 10px;
    }

    .site-footer > p
    {
        grid-column: auto;
    }

    .back-top
    {
        right: 16px;
        bottom: 16px;
        width: 42px;
        height: 42px;
    }
}
