@charset "UTF-8";
:root
{
    --coral: #fa6e7d;
    --coral-deep: #e95769;
    --navy: #26375d;
    --ink: #1f273d;
    --paper: #fbf8f3;
    --lavender: #f0effb;
    --line: #dcd9e9;
    --muted: #69708a;
    --white: #ffffff;
    --rail: clamp(184px, 16vw, 248px);
    --header: 68px;
}
*
{
    box-sizing: border-box;
}
html
{
    scroll-behavior: smooth;
}
body
{
    min-width: 320px;
    margin: 0;
    overflow-x: hidden;
    color: var(--ink);
    background: var(--paper);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}
a
{
    color: inherit;
    text-decoration: none;
}
img
{
    display: block;
    max-width: 100%;
}
button, a, summary
{
    -webkit-tap-highlight-color: transparent;
}
.page-top
{
    position: absolute;
    top: 0;
}
.site-header
{
    position: fixed;
    z-index: 30;
    top: 0;
    right: 0;
    left: 0;
    display: flex;
    min-height: var(--header);
    padding: 9px clamp(16px, 2.8vw, 46px);
    align-items: center;
    justify-content: space-between;
    color: var(--white);
    background: var(--coral);
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
}
.brand, .footer-brand
{
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 10px;
}
.brand img, .footer-brand img
{
    width: 43px;
    height: 43px;
    object-fit: contain;
    border-radius: 50%;
}
.brand > span, .footer-brand > span
{
    display: grid;
    gap: 2px;
}
.brand strong, .footer-brand strong
{
    font-size: 17px;
    line-height: 1.1;
}
.brand small, .footer-brand small
{
    color: rgba(255, 255, 255, 0.82);
    font-size: 12px;
    line-height: 1.1;
}
.header-actions
{
    display: flex;
    align-items: center;
    gap: 10px;
}
.header-download, .hero-download, .download-section a
{
    display: inline-flex;
    min-height: 42px;
    padding: 0 15px;
    align-items: center;
    justify-content: center;
    gap: 14px;
    color: var(--white);
    font-size: 14px;
    font-weight: 800;
    background: var(--navy);
    border: 1px solid var(--navy);
}
.header-download b, .hero-download b, .download-section b
{
    font-size: 18px;
}
.menu-toggle
{
    display: none;
    width: 42px;
    height: 42px;
    padding: 8px;
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--white);
    border-radius: 5px;
}
.menu-toggle span
{
    display: block;
    height: 2px;
    margin: 4px 0;
    background: var(--white);
}
.channel-nav
{
    position: fixed;
    z-index: 20;
    top: var(--header);
    bottom: 0;
    left: 0;
    display: flex;
    width: var(--rail);
    padding: clamp(18px, 2.4vw, 34px) 10px 26px;
    flex-direction: column;
    justify-content: space-between;
    background: var(--white);
    border-right: 1px solid var(--line);
}
.channel-nav ul
{
    padding: 0;
    margin: 0;
    list-style: none;
}
.channel-nav li + li
{
    margin-top: 10px;
}
.channel-nav a
{
    display: flex;
    min-height: 54px;
    padding: 13px 14px;
    align-items: center;
    justify-content: space-between;
    font-weight: 800;
    border: 1px solid var(--navy);
}
.channel-nav a.is-current, .channel-nav a:hover
{
    color: var(--white);
    background: var(--coral);
    border-color: var(--coral);
}
.channel-nav b
{
    font-size: 11px;
}
.channel-nav p
{
    padding: 24px 14px 0;
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    font-style: italic;
    line-height: 1.65;
    border-top: 1px solid var(--line);
}
.hero
{
    position: relative;
    min-height: max(680px, 100vh);
    padding: clamp(90px, 11vh, 148px) clamp(30px, 7vw, 120px) 70px;
    margin-top: var(--header);
    margin-left: var(--rail);
    overflow: hidden;
    color: var(--white);
    background-image: linear-gradient(90deg, rgba(24, 27, 49, 0.9) 0%, rgba(24, 27, 49, 0.75) 38%, rgba(24, 27, 49, 0.2) 78%), url("../images/bjt.jpg");
    background-position: center;
    background-size: cover;
}
.hero-copy
{
    position: relative;
    z-index: 1;
    max-width: 640px;
    padding: clamp(26px, 3.4vw, 48px);
    border-left: 6px solid var(--coral);
    background: rgba(29, 35, 62, 0.82);
    box-shadow: 20px 20px 0 rgba(250, 110, 125, 0.28);
}
.eyebrow, .section-kicker
{
    margin: 0;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
}
.eyebrow
{
    color: #ffbdc5;
}
.hero h1
{
    margin: 17px 0 0;
    font-size: clamp(54px, 7vw, 104px);
    line-height: 0.95;
    letter-spacing: -0.07em;
}
.hero-slogan
{
    display: inline-block;
    padding: 6px 10px 8px;
    margin: 22px 0 0;
    color: var(--white);
    font-size: clamp(28px, 3.2vw, 48px);
    font-weight: 900;
    line-height: 1.14;
    background: var(--coral);
}
.hero-description
{
    max-width: 570px;
    margin: 22px 0 0;
    font-size: 16px;
    line-height: 1.85;
}
.hero-tags
{
    display: flex;
    margin-top: 20px;
    flex-wrap: wrap;
    gap: 8px;
}
.hero-tags span
{
    padding: 6px 11px;
    font-size: 13px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 999px;
}
.hero-download
{
    min-height: 52px;
    margin-top: 22px;
    color: var(--navy);
    background: var(--white);
    border-color: var(--white);
    border-radius: 5px;
}
.age-label
{
    display: block;
    margin-top: 15px;
    color: #d5d8e6;
    font-size: 12px;
}
.page-content
{
    margin-left: var(--rail);
}
.section
{
    width: min(1200px, calc(100% - 48px));
    padding: clamp(70px, 10vw, 125px) 0;
    margin: 0 auto;
}
.section-kicker
{
    color: var(--coral-deep);
}
.section h2
{
    margin: 8px 0 0;
    color: var(--navy);
    font-size: clamp(34px, 4.8vw, 58px);
    line-height: 1.05;
    letter-spacing: -0.06em;
}
.section-heading > p:last-child, .discover-copy > p:not(.section-kicker), .faq-intro > p:last-child
{
    margin: 18px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
}
.calendar-layout
{
    display: grid;
    grid-template-columns: 1.28fr 0.72fr;
    margin-top: 42px;
    gap: 16px;
}
.calendar-list
{
    background: var(--white);
    border: 1px solid var(--line);
}
.calendar-list article
{
    display: grid;
    grid-template-columns: 100px 1fr auto;
    min-height: 94px;
    padding: 20px;
    align-items: center;
    gap: 18px;
}
.calendar-list article + article
{
    border-top: 1px solid var(--line);
}
.calendar-list time
{
    color: var(--coral-deep);
    font-size: 18px;
    font-weight: 900;
}
.calendar-list b, .calendar-list span
{
    display: block;
}
.calendar-list b
{
    font-size: 15px;
}
.calendar-list span
{
    margin-top: 5px;
    color: var(--muted);
    font-size: 13px;
}
.calendar-list em
{
    padding: 4px 8px;
    color: var(--muted);
    font-size: 11px;
    font-style: normal;
    background: var(--lavender);
    border-radius: 999px;
}
.calendar-pick
{
    position: relative;
    min-height: 314px;
    margin: 0;
    overflow: hidden;
    color: var(--white);
    background: var(--navy);
}
.calendar-pick::after, .discover-image::after, .route-content figure::after
{
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 52%;
    content: "";
    background: linear-gradient(transparent, rgba(21, 27, 51, 0.86));
}
.calendar-pick img, .discover-image img, .route-content figure img
{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.calendar-pick figcaption
{
    position: absolute;
    z-index: 1;
    right: 18px;
    bottom: 18px;
    left: 18px;
    display: grid;
    gap: 5px;
}
.calendar-pick b
{
    font-size: 20px;
}
.calendar-pick span
{
    font-size: 13px;
}
.cover-rail
{
    display: grid;
    grid-template-columns: repeat(4, minmax(160px, 1fr));
    margin-top: 18px;
    overflow-x: auto;
    gap: 10px;
}
.cover-rail article
{
    min-width: 160px;
    padding: 9px;
    background: var(--white);
    border: 1px solid var(--line);
}
.cover-rail img
{
    width: 100%;
    height: 130px;
    object-fit: contain;
    background: var(--lavender);
}
.cover-rail b, .cover-rail span
{
    display: block;
}
.cover-rail b
{
    margin-top: 10px;
    font-size: 14px;
}
.cover-rail span
{
    margin-top: 4px;
    color: var(--muted);
    font-size: 12px;
}
.discover
{
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    align-items: start;
    gap: clamp(34px, 7vw, 100px);
    border-top: 1px solid var(--line);
}
.discover-copy
{
    position: sticky;
    top: 98px;
}
.discover-copy h2
{
    margin: 8px 0 0;
    color: var(--navy);
    font-size: clamp(34px, 4.8vw, 58px);
    line-height: 1.05;
    letter-spacing: -0.06em;
}
.discover-copy a
{
    display: inline-flex;
    margin-top: 24px;
    align-items: center;
    gap: 14px;
    color: var(--navy);
    font-size: 14px;
    font-weight: 800;
    border-bottom: 2px solid var(--coral);
}
.discover-copy a b
{
    font-size: 20px;
}
.discover-cards
{
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    grid-template-rows: repeat(3, 184px);
    gap: 10px;
}
.discover-cards article
{
    display: flex;
    min-width: 0;
    padding: 22px;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--line);
}
.discover-cards .discover-image
{
    position: relative;
    grid-row: span 3;
    padding: 0;
    overflow: hidden;
    color: var(--white);
    background: var(--navy);
}
.discover-image img
{
    position: absolute;
    inset: 0;
}
.discover-image div
{
    position: absolute;
    z-index: 1;
    right: 20px;
    bottom: 20px;
    left: 20px;
}
.discover-image span
{
    color: #ffd2d7;
    font-size: 11px;
    font-weight: 900;
}
.discover-image b
{
    display: block;
    margin-top: 7px;
    font-size: 23px;
    line-height: 1.25;
}
.discover-cards i
{
    color: var(--coral-deep);
    font-size: 13px;
    font-style: normal;
    font-weight: 900;
}
.discover-cards article:not(.discover-image) b
{
    display: block;
    margin-top: auto;
    color: var(--navy);
    font-size: 19px;
}
.discover-cards p
{
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}
.discover-cards .coral
{
    color: var(--white);
    background: var(--coral);
    border-color: var(--coral);
}
.discover-cards .coral i, .discover-cards .coral b, .discover-cards .coral p
{
    color: var(--white);
}
.route
{
    border-top: 1px solid var(--line);
}
.route-content
{
    display: grid;
    grid-template-columns: 0.78fr 1.22fr;
    margin-top: 42px;
    gap: 24px;
}
.route-content figure
{
    position: relative;
    min-height: 286px;
    margin: 0;
    overflow: hidden;
    color: var(--white);
    background: var(--navy);
}
.route-content figure img
{
    position: absolute;
    inset: 0;
}
.route-content figcaption
{
    position: absolute;
    z-index: 1;
    right: 20px;
    bottom: 20px;
    left: 20px;
    font-size: 24px;
    font-weight: 900;
}
.route-steps
{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 2px solid var(--navy);
}
.route-steps article
{
    min-height: 286px;
    padding: 22px 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-top: 0;
}
.route-steps article + article
{
    border-left: 0;
}
.route-steps span
{
    color: var(--coral-deep);
    font-size: 13px;
    font-weight: 900;
}
.route-steps b
{
    display: block;
    margin-top: 74px;
    color: var(--navy);
    font-size: 20px;
}
.route-steps p
{
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.7;
}
.faq
{
    display: grid;
    grid-template-columns: 0.65fr 1.35fr;
    gap: clamp(34px, 8vw, 120px);
    border-top: 1px solid var(--line);
}
.faq-list
{
    display: grid;
    gap: 10px;
}
.faq-list details
{
    background: var(--white);
    border: 1px solid var(--line);
}
.faq-list summary
{
    display: flex;
    min-height: 62px;
    padding: 18px 20px;
    cursor: pointer;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 800;
    list-style: none;
}
.faq-list summary::-webkit-details-marker
{
    display: none;
}
.faq-list summary b
{
    color: var(--coral-deep);
    font-size: 22px;
    font-weight: 400;
}
.faq-list details[open] summary b
{
    transform: rotate(45deg);
}
.faq-list details p
{
    padding: 0 20px 19px;
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
}
.faq-list details p a
{
    color: var(--coral-deep);
    font-weight: 800;
    text-decoration: underline;
}
.gallery
{
    border-top: 1px solid var(--line);
}
.gallery-grid
{
    display: grid;
    grid-template-columns: 1.08fr 0.92fr 0.92fr;
    grid-template-rows: 220px 220px;
    margin-top: 40px;
    gap: 10px;
}
.gallery-grid figure
{
    position: relative;
    min-width: 0;
    margin: 0;
    overflow: hidden;
    color: var(--white);
    background: var(--navy);
}
.gallery-grid .main-frame
{
    grid-row: span 2;
}
.gallery-grid .wide-frame
{
    grid-column: span 2;
}
.gallery-grid img
{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.gallery-grid figcaption
{
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 24px 14px 12px;
    font-size: 13px;
    font-weight: 800;
    background: linear-gradient(transparent, rgba(20, 26, 48, 0.82));
}
.voices
{
    width: 100%;
    padding: clamp(70px, 10vw, 120px) max(24px, calc((100% - 1200px) / 2));
    color: var(--white);
    background: var(--navy);
}
.voices-heading
{
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
}
.voices .section-kicker
{
    color: #ffbec6;
}
.voices h2
{
    margin: 8px 0 0;
    color: var(--white);
    font-size: clamp(34px, 4.8vw, 58px);
    line-height: 1.05;
    letter-spacing: -0.06em;
}
.voices-heading > span
{
    max-width: 280px;
    color: #d7dbec;
    font-size: 14px;
    line-height: 1.7;
}
.review-grid
{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 38px;
    gap: 14px;
}
.review-grid article
{
    display: flex;
    min-height: 276px;
    padding: 20px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.19);
    border-radius: 5px;
}
.review-head
{
    display: grid;
    grid-template-columns: 34px 1fr auto;
    align-items: center;
    gap: 9px;
}
.review-head span
{
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    color: var(--coral-deep);
    font-size: 14px;
    font-weight: 900;
    background: #fff2f3;
    border-radius: 50%;
}
.review-head b
{
    font-size: 14px;
}
.review-head em
{
    color: #ffc6cd;
    font-size: 12px;
    font-style: normal;
    letter-spacing: 0.08em;
}
.review-grid article > p
{
    margin: 18px 0 0;
    color: #e7e9f2;
    font-size: 13px;
    line-height: 1.8;
}
.review-grid time
{
    padding-top: 18px;
    margin-top: auto;
    color: #c3c9df;
    font-size: 12px;
    text-align: right;
}
.download-section
{
    width: min(1200px, calc(100% - 48px));
    padding: clamp(72px, 10vw, 120px) 0;
    margin: 0 auto;
    text-align: center;
}
.download-section h2
{
    margin: 12px auto 0;
    color: var(--navy);
    font-size: clamp(34px, 5.4vw, 64px);
    line-height: 1.05;
    letter-spacing: -0.06em;
}
.download-section a
{
    min-height: 56px;
    padding: 0 23px;
    margin-top: 28px;
    color: var(--white);
    background: var(--coral);
    border-color: var(--coral);
    border-radius: 5px;
}
.site-footer
{
    min-height: 222px;
    padding: 44px max(24px, calc((100% - 1200px) / 2));
    margin-left: var(--rail);
    color: var(--white);
    background: #1d2541;
}
.footer-brand
{
    justify-content: center;
}
.site-footer > .footer-brand
{
    display: flex;
    width: 100%;
}
.footer-brand img
{
    width: 48px;
    height: 48px;
}
.footer-nav
{
    display: flex;
    margin-top: 27px;
    justify-content: center;
    flex-wrap: wrap;
}
.footer-nav a
{
    padding: 0 14px;
    font-size: 14px;
    border-right: 1px solid rgba(255, 255, 255, 0.42);
}
.footer-nav a:last-child
{
    border-right: 0;
}
.site-footer > p
{
    margin: 26px 0 0;
    color: #c9d0e7;
    font-size: 13px;
    text-align: center;
}
.back-top
{
    position: fixed;
    z-index: 16;
    right: 24px;
    bottom: 24px;
    display: grid;
    width: 46px;
    height: 46px;
    cursor: pointer;
    place-items: center;
    color: var(--white);
    font-size: 20px;
    background: var(--coral);
    border: 1px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(38, 55, 93, 0.24);
}
a:focus-visible, button:focus-visible, summary:focus-visible
{
    outline: 3px solid var(--coral-deep);
    outline-offset: 3px;
}
@media (max-width: 900px)
{
    .discover, .faq
    {
        grid-template-columns: 1fr;
    }
    .discover-copy
    {
        position: static;
        max-width: 620px;
    }
    .route-content
    {
        grid-template-columns: 1fr;
    }
    .review-grid
    {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 680px)
{
    :root
    {
        --header: 66px;
    }
    body
    {
        padding-top: var(--header);
    }
    .site-header
    {
        min-height: var(--header);
        padding: 9px 14px;
    }
    .brand
    {
        gap: 8px;
    }
    .brand img
    {
        width: 40px;
        height: 40px;
    }
    .brand strong
    {
        font-size: 15px;
    }
    .brand small
    {
        font-size: 11px;
    }
    .header-actions
    {
        gap: 7px;
    }
    .header-download
    {
        min-height: 38px;
        padding: 0 10px;
        font-size: 12px;
        white-space: nowrap;
    }
    .header-download b
    {
        display: none;
    }
    .menu-toggle
    {
        display: block;
        flex: 0 0 auto;
    }
    .channel-nav
    {
        top: var(--header);
        bottom: auto;
        width: min(280px, 82vw);
        max-height: calc(100vh - var(--header));
        padding: 16px 12px 20px;
        overflow-y: auto;
        transform: translateX(-105%);
        transition: transform 0.18s ease;
        box-shadow: 12px 16px 28px rgba(38, 55, 93, 0.18);
    }
    .channel-nav.is-open
    {
        transform: translateX(0);
    }
    .channel-nav p
    {
        display: none;
    }
    .channel-nav a
    {
        min-height: 48px;
    }
    .hero, .page-content, .site-footer
    {
        margin-left: 0;
    }
    .hero
    {
        min-height: 625px;
        padding: 76px 16px 50px;
        margin-top: 0;
        background-position: 56% center;
    }
    .hero-copy
    {
        padding: 24px 19px;
        border-left-width: 4px;
        box-shadow: 11px 11px 0 rgba(250, 110, 125, 0.28);
    }
    .hero h1
    {
        margin-top: 15px;
        font-size: 52px;
    }
    .hero-slogan
    {
        margin-top: 17px;
        font-size: 29px;
    }
    .hero-description
    {
        margin-top: 18px;
        font-size: 14px;
        line-height: 1.75;
    }
    .section, .download-section
    {
        width: min(100% - 30px, 1200px);
        padding: 68px 0;
    }
    .section h2, .discover-copy h2, .voices h2
    {
        font-size: 38px;
    }
    .calendar-layout
    {
        grid-template-columns: 1fr;
    }
    .calendar-list
    {
        overflow-x: auto;
    }
    .calendar-list article
    {
        min-width: 490px;
    }
    .calendar-pick
    {
        min-height: 300px;
    }
    .cover-rail
    {
        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: minmax(158px, 46vw);
        padding-bottom: 7px;
    }
    .discover-cards
    {
        grid-template-columns: 1fr;
        grid-template-rows: none;
    }
    .discover-cards .discover-image
    {
        min-height: 365px;
        grid-row: auto;
    }
    .discover-cards article:not(.discover-image)
    {
        min-height: 168px;
    }
    .route-steps
    {
        grid-template-columns: 1fr;
    }
    .route-steps article
    {
        display: grid;
        min-height: 128px;
        grid-template-columns: 45px 1fr;
        gap: 4px 12px;
    }
    .route-steps article + article
    {
        border-top: 0;
        border-left: 1px solid var(--line);
    }
    .route-steps b
    {
        margin-top: 0;
    }
    .route-steps p
    {
        grid-column: 2;
        margin-top: 0;
    }
    .faq
    {
        gap: 34px;
    }
    .gallery-grid
    {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 230px 170px 170px;
        margin-top: 30px;
    }
    .gallery-grid .main-frame
    {
        grid-column: span 2;
        grid-row: auto;
    }
    .gallery-grid .wide-frame
    {
        grid-column: span 2;
    }
    .voices
    {
        width: 100%;
        padding: 68px 15px;
    }
    .voices-heading
    {
        display: block;
    }
    .voices-heading > span
    {
        display: block;
        margin-top: 15px;
    }
    .review-grid
    {
        grid-template-columns: 1fr;
        gap: 11px;
    }
    .review-grid article
    {
        min-height: 0;
    }
    .download-section
    {
        text-align: left;
    }
    .download-section h2
    {
        margin-left: 0;
        font-size: 39px;
    }
    .download-section a
    {
        display: flex;
        width: fit-content;
        margin-right: auto;
        margin-left: auto;
    }
    .site-footer
    {
        min-height: 0;
        padding: 42px 20px;
        text-align: center;
    }
    .footer-brand
    {
        justify-content: center;
        text-align: left;
    }
    .footer-nav
    {
        gap: 12px 0;
    }
    .footer-nav a
    {
        padding: 0 10px;
        font-size: 13px;
    }
    .back-top
    {
        right: 16px;
        bottom: 16px;
        width: 43px;
        height: 43px;
    }
}
@media (max-width: 390px)
{
    .header-download
    {
        padding: 0 8px;
        font-size: 11px;
    }
    .brand strong
    {
        font-size: 14px;
    }
    .brand small
    {
        font-size: 10px;
    }
}