:root {
    --black: #050505;
    --paper: #ebe9e4;
    --pink: #ff2dbd;
    --line: #292929
}

/* TYPOGRAPHY — 手动修改字体层级时，只需编辑这个区域 */
:root {
    --font-sans: "HarmonyOS Sans SC", "PingFang SC", sans-serif;

    /* Body scale */
    --text-label: 12px;
    --text-small: 14px;
    --text-body: 16px;
    --text-lead: clamp(18px, 1.5vw, 24px);

    /* Heading scale */
    --type-display: 80px;
    --type-h1: 64px;
    --type-h2: 42px;
    --type-h3: 28px;

    /* Heading line-height */
    --leading-display: .96;
    --leading-h1: .9;
    --leading-h2: 1;
    --leading-h3: 1.2;

    /* Heading letter-spacing */
    --tracking-display: -.065em;
    --tracking-h1: -.06em;
    --tracking-h2: -.04em;
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
    background: var(--black)
}

body {
    margin: 0;
    color: var(--paper);
    background: var(--black);
    font-family: var(--font-sans);
    font-weight: 300
}

/* Keep anchored section boundaries visible below the fixed 76px menu bar. */
#top,
#about,
#business,
#team,
#archive,
#upcoming,
#data,
#qa,
#partners {
    scroll-margin-top: 76px
}

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

::selection {
    background: var(--pink);
    color: #000
}

.topbar {
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    right: 0;
    height: 76px;
    display: grid;
    /* logo(1fr) | nav(auto) | spacer(1fr) | langSwitch(auto) | login(auto)
       但只有 5 个列没意义——用 auto 1fr auto 让按钮+登录贴在右侧，靠左1fr 把 logo+nav 推到左 */
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    padding: 0 3.1vw;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    background: rgba(5, 5, 5, .76);
    backdrop-filter: blur(14px);
    column-gap: 12px;
}

.wordmark {
    font-size: 17px;
    letter-spacing: .38em;
    font-weight: 300;
    white-space: nowrap
}

.wordmark span {
    color: var(--pink)
}

.topbar nav {
    display: flex;
    gap: 30px;
    font: var(--text-label)/1 var(--font-sans);
    letter-spacing: .16em
}

.topbar nav a {
    color: #999;
    transition: .25s
}

.topbar nav a:hover {
    color: #fff
}

.topbar-logo {
    display: flex;
    align-items: center;
    width: max-content;
    line-height: 0
}

.topbar-logo img {
    display: block;
    width: auto;
    height: 30px;
    max-width: min(200px, 42vw);
    object-fit: contain
}

.hero {
    /* HERO 陨石参数：只需调整这里 */
    --meteor-final-x: right;
    --meteor-final-y: -8vh;
    --meteor-final-width: min(584px, 40.5556vw);
    --meteor-enter-x: 28vw;
    --meteor-enter-y: -24vh;
    --meteor-enter-scale: .62;
    --meteor-enter-duration: 1.65s;
    --meteor-enter-delay: .08s;
    --meteor-enter-ease: cubic-bezier(.42, 0, .18, 1);
    --meteor-scroll-scale: .22;
    --meteor-scroll-darken: .28;
    --horizon-enter-y: 24vh;
    --hero-bottom-shadow-height: 180px;
    --hero-bottom-shadow-blur: 32px;
    --hero-bottom-shadow-opacity: .88;

    --scroll: 0;
    position: relative;
    height: 100svh;
    min-height: 720px;
    overflow: hidden;
    background: #020203
}

.hero-image-entry {
    position: absolute;
    z-index: 2;
    inset: 0;
    transform-origin: right top;
    animation: meteor-enter var(--meteor-enter-duration) var(--meteor-enter-ease) var(--meteor-enter-delay) both;
    will-change: transform
}

.hero-image {
    position: absolute;
    inset: 0;
    background-image: url("assets/hero-space.webp");
    background-position: var(--meteor-final-x) var(--meteor-final-y);
    background-size: var(--meteor-final-width) auto;
    background-repeat: no-repeat;
    transform: scale(calc(1 + var(--scroll) * var(--meteor-scroll-scale)));
    filter: brightness(calc(1 - var(--scroll) * var(--meteor-scroll-darken)));
    will-change: transform;
    transform-origin: right top
}

@keyframes meteor-enter {
    from {
        transform: translate(var(--meteor-enter-x), var(--meteor-enter-y)) scale(var(--meteor-enter-scale))
    }

    to {
        transform: translate(0, 0) scale(1)
    }
}

.hero:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 0, 0, .76), rgba(0, 0, 0, .15) 62%, transparent 86%), linear-gradient(0deg, rgba(0, 0, 0, .35), transparent 45%)
}

.hero:before {
    content: "";
    position: absolute;
    z-index: 3;
    left: 0;
    right: 0;
    bottom: calc(var(--hero-bottom-shadow-blur) * -1);
    height: calc(var(--hero-bottom-shadow-height) + var(--hero-bottom-shadow-blur));
    background: linear-gradient(to top, rgba(0, 0, 0, var(--hero-bottom-shadow-opacity)), transparent);
    filter: blur(var(--hero-bottom-shadow-blur));
    pointer-events: none
}

.scanlines {
    position: absolute;
    z-index: 2;
    inset: 0;
    opacity: .15;
    pointer-events: none;
    background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, .06) 4px);
    mix-blend-mode: overlay
}

.hero-copy {
    position: absolute;
    z-index: 4;
    left: 8.4vw;
    top: 20%;
    width: min(890px, 63vw);
    transform: translateY(calc(var(--scroll) * -45px));
    opacity: calc(1 - var(--scroll) * .7)
}

.brand-title {
    margin: 0 0 45px;
    font: var(--text-small)/1.4 var(--font-sans);
    letter-spacing: .22em;
    text-transform: uppercase;
    color: #c9c6c4
}

.slogan-copy h1 {
    margin: 0;
    font-size: var(--type-display);
    line-height: var(--leading-display);
    letter-spacing: var(--tracking-display);
    font-weight: 200
}

.slogan-copy h1 span {
    color: var(--pink)
}

.telemetry {
    position: absolute;
    z-index: 5;
    right: 3.1vw;
    bottom: 8vh;
    width: 195px;
    border: 1px solid rgba(255, 255, 255, .22);
    background: rgba(0, 0, 0, .34);
    padding: 16px;
    font-family: var(--font-sans)
}

.telemetry div:not(.signal) {
    margin-bottom: 12px
}

.telemetry span {
    display: block;
    color: #777;
    font-size: var(--text-label);
    letter-spacing: .12em;
    margin-bottom: 4px
}

.telemetry strong {
    font-size: var(--text-label);
    font-weight: 400
}

.telemetry .live {
    color: var(--pink)
}

.signal {
    height: 18px;
    background: linear-gradient(135deg, transparent 0 8%, var(--pink) 9% 11%, transparent 12% 23%, var(--pink) 24% 26%, transparent 27% 43%, var(--pink) 44% 46%, transparent 47% 61%, var(--pink) 62% 64%, transparent 65%);
    opacity: .6;
    border-bottom: 1px dotted var(--pink)
}

.object-lock {
    --lock-scale: calc(1 + var(--scroll) * .12);
    position: absolute;
    z-index: 4;
    right: 25.5vw;
    top: 55%;
    width: 100px;
    height: 100px;
    border: 1px solid rgba(255, 45, 189, .35);
    transform: scale(var(--lock-scale));
    animation: target-lock 2s cubic-bezier(.65, 0, .35, 1) .35s both;
    will-change: transform
}

@keyframes target-lock {
    0%, 9% {
        transform: translate(-17vw, -23vh) scale(var(--lock-scale));
        opacity: 0
    }

    11%, 18% {
        transform: translate(-17vw, -23vh) scale(var(--lock-scale));
        opacity: 1
    }

    23% {
        opacity: .2
    }

    31% {
        opacity: 1
    }

    34% {
        opacity: .52
    }

    36% {
        opacity: 1
    }

    38%, 58% {
        transform: translate(11vw, -13vh) scale(var(--lock-scale));
        opacity: 1
    }

    82%, 100% {
        transform: translate(0, 0) scale(var(--lock-scale));
        opacity: 1
    }
}

.object-lock:before,
.object-lock:after {
    content: "";
    position: absolute;
    background: var(--pink);
    opacity: .6
}

.object-lock:before {
    width: 130%;
    height: 1px;
    top: 50%;
    left: -15%
}

.object-lock:after {
    height: 130%;
    width: 1px;
    left: 50%;
    top: -15%
}

.object-lock i {
    position: absolute;
    inset: 33%;
    border: 1px solid var(--pink);
    border-radius: 50%
}

.object-lock b {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--pink);
    font: var(--text-small) var(--font-sans)
}

.object-lock em {
    position: absolute;
    top: 108px;
    white-space: nowrap;
    color: var(--pink);
    font: var(--text-label) var(--font-sans);
    font-style: normal;
    letter-spacing: .14em
}

.hero-explore {
    position: absolute;
    z-index: 5;
    left: 50%;
    bottom: 7vh;
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 10px;
    min-width: 152px;
    padding: 14px 22px 12px;
    transform: translateX(-50%);
    text-align: center;
    font: var(--text-label) var(--font-sans);
    letter-spacing: .14em
}

.hero-explore b {
    color: var(--pink);
    font-size: 20px;
    font-weight: 300;
    animation: nudge 1.8s ease-in-out infinite
}

@keyframes nudge {
    50% {
        transform: translateY(7px)
    }
}

.coordinate {
    position: absolute;
    z-index: 4;
    right: 3.1vw;
    top: 100px;
    font: var(--text-label)/1.6 var(--font-sans);
    color: #777;
    text-align: right
}

.section-index {
    color: var(--pink);
    position: absolute;
    top: 38px;
    left: 3.1vw;
    font: var(--text-label)/1.5 var(--font-sans);
    letter-spacing: .16em;
    text-transform: uppercase
}

.kicker {
    font: var(--text-label)/1.5 var(--font-sans);
    letter-spacing: .16em;
    text-transform: uppercase
}

.intro,
.tracking,
.community,
.archive,
.numbers,
.qa,
.partners {
    position: relative;
    padding: 150px 8.4vw;
    border-top: 1px solid var(--line);
    overflow: hidden
}

.intro {
    min-height: 820px;
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 10vw;
    align-items: center;
    background: #080808
}

.intro-title h2,
.tracking-copy h2,
.community h2,
.archive h2,
.numbers-head h2,
.partners h2 {
    font-size: var(--type-h1);
    line-height: var(--leading-h1);
    letter-spacing: var(--tracking-h1);
    font-weight: 200;
    margin: 24px 0 40px
}

.intro-copy {
    max-width: 690px
}

.intro-copy p {
    font-size: var(--text-lead);
    line-height: 1.75;
    margin: 0 0 30px;
    color: #b5b3af
}

.intro-copy p:first-child {
    color: var(--paper)
}

.intro-marker {
    position: absolute;
    left: 8.4vw;
    right: 8.4vw;
    bottom: 45px;
    border-top: 1px solid #272727;
    display: flex;
    justify-content: space-between;
    padding-top: 18px;
    font: var(--text-label) var(--font-sans);
    color: #666;
    letter-spacing: .18em
}

.intro-marker span:nth-child(2) {
    color: var(--pink)
}

.tracking {
    min-height: 920px;
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: 6vw;
    align-items: center;
    background: radial-gradient(circle at 74% 51%, #151219 0, #070707 25%, #050505 54%)
}

.tracking-copy h2 i,
.numbers-head h2 i {
    color: var(--pink);
    font-style: normal
}

.tracking-copy>p:last-child {
    width: 330px;
    color: #999;
    font-size: var(--text-body);
    line-height: 1.7
}

.orbit-map {
    position: relative;
    height: 600px;
    border: 1px solid #222;
    background-image: linear-gradient(#191919 1px, transparent 1px), linear-gradient(90deg, #191919 1px, transparent 1px);
    background-size: 50px 50px;
    overflow: hidden
}

.orbit-map:before {
    content: "";
    position: absolute;
    left: -10%;
    top: 47%;
    width: 110%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pink) 40%, rgba(255, 45, 189, .15));
    transform: rotate(-17deg);
    transform-origin: left
}

.orbit-earth {
    position: absolute;
    width: 400px;
    height: 400px;
    border: 1px solid #555;
    border-radius: 50%;
    right: -220px;
    bottom: -130px;
    box-shadow: -12px -12px 32px rgba(255, 255, 255, .06), -2px -2px 0 var(--pink)
}

.orbit-object {
    position: absolute;
    left: 53%;
    top: 39%;
    width: 74px;
    height: 74px;
    display: grid;
    place-content: center;
    border: 1px solid var(--pink);
    font: var(--text-label)/1.1 var(--font-sans);
    text-align: center;
    transform: rotate(12deg);
    box-shadow: 0 0 30px rgba(255, 45, 189, .18)
}

.orbit-object:before {
    content: "";
    position: absolute;
    inset: -18px;
    border: 1px dashed #555
}

.orbit-object span {
    color: var(--pink)
}

.orbit-label {
    position: absolute;
    color: #777;
    font: var(--text-label)/1.6 var(--font-sans);
    letter-spacing: .1em
}

.orbit-label b {
    color: #ddd;
    font-weight: 400
}

.label-a {
    left: 5%;
    top: 73%
}

.label-b {
    left: 48%;
    top: 17%
}

.label-c {
    right: 4%;
    top: 58%
}

.community {
    min-height: 850px;
    background: #050505
}

.community-copy {
    margin-top: 55px
}

.community-copy h2 {
    color: var(--paper)
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 55px;
    border-top: 1px solid #333;
    border-left: 1px solid #333
}

.team-grid article {
    min-height: 290px;
    padding: 24px;
    border-right: 1px solid #333;
    border-bottom: 1px solid #333;
    display: flex;
    flex-direction: column;
    background: linear-gradient(145deg, transparent, #0d0d0d)
}

.team-grid article>span {
    font: var(--text-label) var(--font-sans);
    color: var(--pink)
}

.team-grid h3 {
    margin: auto 0 10px;
    font-size: var(--type-h2);
    line-height: var(--leading-h2);
    font-weight: 200;
    letter-spacing: var(--tracking-h2)
}

.team-grid p {
    font: var(--text-label) var(--font-sans);
    color: #777;
    line-height: 1.5
}

.archive {
    min-height: 1260px;
    background: #080808
}

.archive-head {
    display: flex;
    align-items: end;
    justify-content: space-between
}

.archive-head h2 span {
    color: #777
}

.archive-carousel {
    position: relative;
    margin-top: 12px;
    padding-bottom: 0
}

.archive-rail {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: clamp(210px, 16vw, 270px);
    gap: 18px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding: 2px 2px 8px
}

.archive-rail::-webkit-scrollbar {
    display: none
}

.archive-card {
    position: relative;
    min-height: 275px;
    padding: 20px;
    overflow: hidden;
    border: 1px solid #353535;
    background: #0c0c0d;
    scroll-snap-align: start;
    isolation: isolate;
    transition: border-color .25s ease, transform .25s ease
}

.archive-card:before,
.archive-card:after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2
}

.archive-card:before {
    background: url("assets/rock-no-text-transparent.png") 72% 78% / 88% auto no-repeat;
    opacity: .72;
    filter: contrast(1.12) saturate(.72)
}

.archive-card:after {
    z-index: -1;
    background: rgba(4, 4, 6, .42)
}

.archive-card:hover,
.archive-card:focus-visible {
    border-color: rgba(255, 45, 189, .78);
    outline: 0
}

.archive-card-copy span,
.archive-card small {
    font: var(--text-label)/1.2 var(--font-sans);
    letter-spacing: .12em
}

.archive-card-copy span {
    color: var(--pink)
}

.archive-card h3 {
    max-width: 13ch;
    margin: 10px 0 8px;
    font-size: var(--type-h3);
    line-height: 1.15;
    font-weight: 300;
    letter-spacing: var(--tracking-h3)
}

.archive-card p {
    margin: 0;
    color: #aaa;
    font-size: var(--text-small)
}

.archive-card small {
    position: absolute;
    left: 20px;
    bottom: 18px;
    color: #8c8c8c
}

.archive-card-c001 {
    background: #171722
}

.archive-card-c002 {
    background: #11101b
}

.archive-card-c003 {
    background: #0c1417
}

.archive-card-c004 {
    background: #190f17
}

.archive-card-c005:before {
    background-image: url("events/xihongmen/images/xihongmen-hero-bg.png");
    background-position: 68% center;
    background-size: auto 100%;
    opacity: .88;
    filter: saturate(.8)
}

.archive-card-c005:hover small,
.archive-card-c005:focus-visible small {
    color: var(--pink)
}

    display: grid;
    grid-template-columns: 1fr .7fr auto;
    align-items: center;
    border: 1px solid var(--pink);
    min-height: 130px;
    padding: 26px 30px;
    background: linear-gradient(90deg, rgba(255, 45, 189, .08), transparent)
}

.upcoming-strip span {
    display: block;
    font: var(--text-label) var(--font-sans);
    color: var(--pink);
    margin-bottom: 12px
}

.upcoming-strip strong {
    font-size: var(--type-h3);
    line-height: var(--leading-h3);
    font-weight: 300
}

.upcoming-strip p {
    font: var(--text-label) var(--font-sans);
    color: #999
}

.upcoming-strip>a {
    border: 1px solid var(--pink);
    padding: 15px 18px;
    font: var(--text-label) var(--font-sans);
    letter-spacing: .12em
}

.upcoming-strip>a:hover {
    background: var(--pink);
    color: #000
}

.numbers {
    padding-bottom: 190px
}

.numbers-head {
    margin-top: 50px
}

.numbers-head h2 {
    margin-bottom: 70px
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #333;
    border-left: 1px solid #333
}

.stat {
    padding: 26px;
    border-right: 1px solid #333;
    border-bottom: 1px solid #333;
    min-height: 280px;
    display: flex;
    flex-direction: column
}

.stat>span {
    font: var(--text-label) var(--font-sans);
    color: var(--pink)
}

.stat strong {
    margin: auto 0 12px;
    font-size: clamp(54px, 6vw, 96px);
    font-weight: 200;
    letter-spacing: -.06em
}

.stat p {
    font: var(--text-label) var(--font-sans);
    letter-spacing: .14em;
    color: #888
}

.qa {
    min-height: 1120px;
    background: #050505
}

.qa-head {
    margin-top: 70px;
    display: grid;
    grid-template-columns: .7fr 1.3fr;
    align-items: start
}

.qa-head h2 {
    font-size: var(--type-h1);
    line-height: var(--leading-h1);
    letter-spacing: var(--tracking-h1);
    font-weight: 200;
    margin: 0;
    color: var(--pink)
}

.qa-list {
    margin-top: 80px;
    border-top: 1px solid #333
}

.qa-list details {
    border-bottom: 1px solid #333
}

.qa-list summary {
    list-style: none;
    cursor: pointer;
    display: grid;
    grid-template-columns: 70px 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 27px 0;
    font-size: var(--text-lead)
}

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

.qa-list summary span {
    font: var(--text-label) var(--font-sans);
    color: var(--pink)
}

.qa-list summary b {
    font: 18px var(--font-sans);
    color: #777;
    font-weight: 300;
    transition: .25s
}

.qa-list details[open] summary b {
    transform: rotate(45deg);
    color: var(--pink)
}

.qa-list details>p {
    max-width: 850px;
    margin: 0 0 30px 94px;
    color: #aaa;
    font-size: var(--text-body);
    line-height: 1.85
}

.qa-list details>p a {
    color: var(--pink);
    border-bottom: 1px solid var(--pink)
}

.qa-list details[open]>p {
    animation: qa-in .3s ease both
}

@keyframes qa-in {
    from {
        opacity: 0;
        transform: translateY(-6px)
    }

    to {
        opacity: 1;
        transform: none
    }
}

.qa-partner-link {
    display: flex;
    justify-content: space-between;
    margin-top: 45px;
    padding: 18px 0;
    border-bottom: 1px solid var(--pink);
    font: var(--text-label) var(--font-sans);
    letter-spacing: .13em
}

.qa-partner-link span {
    color: var(--pink)
}

.partners {
    min-height: 780px;
    background: #080808
}

.partners-head {
    display: grid;
    grid-template-columns: .7fr 1.4fr .5fr;
    align-items: end;
    gap: 50px;
    margin: 70px 0
}

.partners-head h2 {
    margin: 0
}

.partners-head>p:last-child {
    color: #777;
    font: var(--text-label) var(--font-sans)
}

.logo-wall {
    border: 1px solid #333;
    background: #05060a
}

.logo-wall img {
    display: block;
    width: 100%;
    height: auto
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid #333;
    border-left: 1px solid #333
}

.logo-grid a {
    height: 130px;
    border-right: 1px solid #333;
    border-bottom: 1px solid #333;
    display: grid;
    place-items: center;
    padding: 24px;
    transition: .25s
}

.logo-grid a:hover {
    background: #0e0e0e
}

.logo-grid img {
    max-width: 100%;
    max-height: 56px;
    width: auto;
    height: auto;
    opacity: .72;
    transition: opacity .25s ease;
    filter: grayscale(.4)
}

.logo-grid a:hover img {
    opacity: 1;
    filter: none
}

.partners-cta {
    margin-top: 32px;
    color: #888;
    font: var(--text-label) var(--font-sans);
    letter-spacing: .14em
}

.partners-cta a {
    color: var(--pink);
    border-bottom: 1px solid var(--pink)
}

.site-footer {
    min-height: 480px;
    padding: 80px 3.1vw 30px;
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    column-gap: 6vw;
    row-gap: 65px;
    border-top: 1px solid #292929;
    background: #030303
}

.footer-brand p {
    max-width: 320px;
    color: #888;
    line-height: 1.7;
    margin: 28px 0
}

.footer-cta {
    display: inline-flex;
    gap: 70px;
    border: 1px solid var(--pink);
    padding: 15px 18px;
    font: var(--text-label) var(--font-sans);
    letter-spacing: .12em
}

.footer-cta:hover {
    background: var(--pink);
    color: #000
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: var(--text-small)
}

.footer-col>span {
    font: var(--text-label) var(--font-sans);
    color: var(--pink);
    letter-spacing: .15em;
    margin-bottom: 10px
}

.footer-col a {
    color: #858585
}

.footer-col a:hover {
    color: #fff
}

.footer-bottom {
    grid-column: 1/-1;
    border-top: 1px solid #222;
    padding-top: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    font: var(--text-label) var(--font-sans);
    color: #555;
    letter-spacing: .1em
}

.footer-bottom span:nth-child(2) {
    text-align: center
}

.footer-bottom a {
    justify-self: end;
    color: #888
}

@media(max-width:900px) {
    .topbar {
        grid-template-columns: 1fr auto
    }

    .topbar nav {
        display: none
    }

    .hero-copy {
        left: 7vw;
        top: 22%;
        width: 82vw
    }

    .object-lock {
        --lock-scale: .64;
        right: 9vw;
        top: 17%;
        transform: scale(var(--lock-scale))
    }

    .telemetry {
        display: none
    }

    .intro,
    .tracking {
        grid-template-columns: 1fr;
        padding-top: 130px
    }

    .intro {
        gap: 30px
    }

    .intro-copy {
        padding-bottom: 80px
    }

    .orbit-map {
        height: 460px
    }

    .team-grid,
    .stats {
        grid-template-columns: 1fr 1fr
    }

    .archive-head {
        display: block
    }

    .specimen-grid {
        grid-template-columns: 1fr
    }

    .specimen-grid article,
    .specimen-grid>a {
        min-height: 390px;
        border-right: 0;
        border-bottom: 1px solid #292929
    }

    .archive-rail {
        grid-auto-columns: min(72vw, 280px)
    }

    .upcoming-strip {
        grid-template-columns: 1fr;
        gap: 20px
    }

    .qa-head {
        grid-template-columns: 1fr;
        gap: 25px
    }

    .partners-head {
        grid-template-columns: 1fr
    }

    .logo-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .site-footer {
        grid-template-columns: 1fr 1fr
    }

    .footer-brand {
        grid-column: 1/-1
    }

    .nav-login {
        padding: 11px 17px
    }

    .section-dock {
        right: 1.5vw;
        width: 84px
    }

    .section-dock a:hover,
    .section-dock a:focus-visible {
        width: 64px
    }
}

@media(max-width:600px) {
    .brand-title {
        margin-bottom: 28px
    }

    .slogan-copy h1 {
        line-height: 1.05
    }

    .hero-explore {
        left: 7vw
    }

    .intro,
    .tracking,
    .community,
    .archive,
    .numbers,
    .qa,
    .partners {
        padding-left: 7vw;
        padding-right: 7vw
    }

    .team-grid,
    .stats {
        grid-template-columns: 1fr
    }

    .team-grid article,
    .stat {
        min-height: 200px
    }

    .qa-list summary {
        grid-template-columns: 42px 1fr auto;
        gap: 10px
    }

    .qa-list details>p {
        margin-left: 52px
    }

    .logo-grid {
        grid-template-columns: 1fr 1fr
    }

    .logo-grid div {
        height: 100px
    }

    .archive-card {
        min-height: 250px
    }

    .site-footer {
        grid-template-columns: 1fr;
        padding-top: 60px
    }

    .footer-brand {
        grid-column: auto
    }

    .footer-bottom {
        grid-template-columns: 1fr;
        gap: 12px
    }

    .footer-bottom span:nth-child(2) {
        text-align: left
    }

    .footer-bottom a {
        justify-self: start
    }
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto
    }

    .hero-image-entry,
    .hero-image,
    .hero-copy {
        transform: none !important
    }

    .hero-image-entry {
        animation: none
    }

    .object-lock {
        animation: none
    }

    .hero-horizon {
        animation: none
    }

    .hero-explore b {
        animation: none
    }
}

.nav-login {
    justify-self: end;
    padding: 12px 22px;
    background: var(--pink);
    color: #fff;
    font: var(--text-label)/1 var(--font-sans);
    letter-spacing: .16em;
    transition: transform .25s ease, box-shadow .25s ease
}

.nav-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 45, 189, .28)
}

/* ---- Language switch (added 2026-08-27; fixed v2) ----
   .topbar grid 改为 auto 1fr auto auto（4 列），所以 lang switch 自然落在第 3 列，
   登录链接落在第 4 列。靠左 1fr 把 logo+nav 推左，靠右两 auto 把 lang+login 推右。 */
.nav-lang-switch {
    grid-column: 3;
    justify-self: end;
    margin-left: 0;
    padding: 6px 12px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--ink-strong, #fff);
    font: 600 12px/1 var(--font-sans, system-ui, sans-serif);
    letter-spacing: 0.06em;
    cursor: pointer;
    border-radius: 999px;
    transition: background .2s, border-color .2s, color .2s;
    width: auto;
}

.nav-lang-switch:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--pink, #ff3f94);
    color: var(--pink, #ff3f94);
}

.nav-lang-switch:focus-visible {
    outline: 2px solid var(--pink, #ff3f94);
    outline-offset: 2px;
}

@media (max-width: 720px) {
    .nav-lang-switch {
        padding: 5px 10px;
        font-size: 11px;
    }
}

.section-dock {
    position: fixed;
    z-index: 8;
    right: 2.4vw;
    top: 50%;
    width: 112px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    transform: translateY(-50%)
}

.section-dock a {
    display: grid;
    place-items: center;
    width: 15px;
    height: 15px;
    overflow: hidden;
    background: var(--pink);
    color: #fff;
    font: var(--text-label)/1 var(--font-sans);
    letter-spacing: .12em;
    white-space: nowrap;
    box-shadow: 0 0 0 1px rgba(255, 45, 189, .2);
    transition: width .28s ease, height .28s ease, transform .28s ease, box-shadow .28s ease
}

.section-dock a span {
    opacity: 0;
    transform: scale(.7);
    transition: opacity .16s ease .06s, transform .24s ease
}

.section-dock a:hover,
.section-dock a:focus-visible {
    width: 72px;
    height: 30px;
    transform: none;
    outline: 0;
    box-shadow: 0 10px 30px rgba(255, 45, 189, .32)
}

.section-dock a:hover span,
.section-dock a:focus-visible span {
    opacity: 1;
    transform: scale(1)
}

.hero-horizon {
    position: absolute;
    z-index: 1;
    left: 50%;
    bottom: 0;
    width: 100%;
    min-width: 1100px;
    height: auto;
    display: block;
    transform: translateX(-50%);
    animation: horizon-enter var(--meteor-enter-duration) var(--meteor-enter-ease) var(--meteor-enter-delay) both;
    pointer-events: none;
    user-select: none
}

@keyframes horizon-enter {
    from {
        transform: translate(-50%, var(--horizon-enter-y))
    }

    to {
        transform: translate(-50%, 0)
    }
}

/* 保持探索入口在桌面端和移动端都位于 Hero 底部正中 */
.hero-explore {
    left: 50%
}

/* 三大支柱陨石：在这里集中手动调整位置、大小与旋转角度 */
.orbit-map {
    height: 600px;
    border: 0;
    background: none;
    overflow: visible
}

.orbit-map:before {
    display: none
}

.pillar-meteor {
    /* 粉色重影向右、向下的统一偏移量 */
    --pink-offset-x: 8px;
    --pink-offset-y: 8px;
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--size);
    display: grid;
    place-items: center
}

.pillar-meteor img {
    display: block;
    width: 100%;
    height: auto;
    grid-area: 1/1;
    transform: rotate(var(--rotate))
}

.pillar-meteor .meteor-pink {
    z-index: 0;
    transform: translate(var(--pink-offset-x), var(--pink-offset-y)) rotate(var(--rotate))
}

.pillar-meteor .meteor-dark {
    z-index: 1
}

.pillar-meteor span {
    z-index: 2;
    grid-area: 1/1;
    color: var(--paper);
    font-size: clamp(18px, 1.8vw, 28px);
    font-weight: 300;
    letter-spacing: .12em;
    white-space: nowrap
}

/* --x 横向位置 | --y 纵向位置 | --size 大小 | --rotate 旋转角度 */
.meteor-69 {
    --x: 2%;
    --y: 20%;
    --size: 50%;
    --rotate: -12deg
}

.meteor-70 {
    --x: 54%;
    --y: 10%;
    --size: 46%;
    --rotate: 7deg
}

.meteor-71 {
    --x: 43%;
    --y: 49%;
    --size: 42%;
    --rotate: 22deg
}

@media(max-width:900px) {
    .orbit-map {
        height: 520px
    }

    .meteor-69 {
        --x: 1%;
        --y: 28%;
        --size: 36%
    }

    .meteor-70 {
        --x: 52%;
        --y: 5%;
        --size: 39%
    }

    .meteor-71 {
        --x: 10%;
        --y: 41%;
        --size: 34%
    }
}