:root {
    --bg: #07111f;
    --panel: #0d2034;
    --line: rgba(119, 190, 235, .18);
    --text: #eef6ff;
    --muted: #91a8bf;
    --lime: #d9ff45;
    --cyan: #43dcff;
    --purple: #7c63ff;
    --max: 1180px
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden
}

body {
    background: radial-gradient(circle at 80% 5%, rgba(91, 74, 210, .18), transparent 28%), var(--bg);
    color: var(--text);
    font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75
}

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

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

.container {
    width: min(var(--max), calc(100% - 40px));
    margin: auto
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(5, 14, 26, .94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line)
}

.nav {
    min-height: 72px;
    display: flex;
    align-items: center;
    gap: 28px;
    position: relative
}

.site-header .nav {
    display: flex;
    justify-content: space-between; /* 两端对齐，把 Logo 和右侧按钮推到两边 */
    align-items: center;            /* 垂直居中 */
}

.site-header .nav-links {
    flex: 1;                        /* 让导航链接容器占据中间的所有剩余空间 */
    display: flex;
    justify-content: center;        /* 将文字链接在中间绝对居中 */
    gap: 20px;                      /* 调整链接之间的间距 */
}

.logo {
    display: flex;
    align-items: center;
    gap: 9px;
    flex: none
}

.logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--lime), var(--cyan));
    color: #06101b;
    display: grid;
    place-items: center;
    font-weight: 900
}

.logo-title {
    font-size: 18px;
    font-weight: 900;
    display: block;
    line-height: 1.1
}

.logo-sub {
    font-size: 9px;
    color: #8196aa;
    letter-spacing: .18em
}

.nav-links {
    display: flex;
    gap: 24px;
    flex: 1
}

.nav-links a {
    font-size: 15px;
    color: #afbed0;
    white-space: nowrap
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--lime)
}

.today {
    border: 1px solid rgba(217, 255, 69, .45);
    color: var(--lime);
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 13px;
    white-space: nowrap
}

.menu {
    display: none;
    background: transparent;
    color: var(--lime);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 5px 9px
}

.hero {
    padding: 62px 0 52px;
    border-bottom: 1px solid var(--line)
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(280px, .72fr);
    gap: 35px;
    align-items: center
}

.eyebrow,
.tag {
    display: inline-block;
    border: 1px solid rgba(217, 255, 69, .32);
    border-radius: 999px;
    padding: 4px 10px;
    color: var(--lime);
    font-size: 11px
}

.hero h1 {
    font-size: clamp(42px, 6vw, 76px);
    line-height: 1.02;
    letter-spacing: -.055em;
    margin: 18px 0
}

.hero h1 span,
.page-hero h1 span {
    color: var(--lime)
}

.hero-desc {
    max-width: 700px;
    color: #a9bad0;
    font-size: 16px;
    line-height: 1.9
}

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 22px
}

.btn {
    padding: 9px 17px;
    border-radius: 10px;
    background: var(--lime);
    color: #07111f;
    font-size: 13px;
    font-weight: 900
}

.btn.alt {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--line)
}

.visual {
    height: 330px;
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden
}

.core {
    width: 145px;
    height: 145px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 30% 25%, #55dfff, #3151d0 48%, #131c4b 76%);
    box-shadow: 0 0 80px rgba(67, 220, 255, .3);
    font-size: 58px;
    font-weight: 900;
    z-index: 2
}

.ring {
    position: absolute;
    border: 1px solid rgba(67, 220, 255, .25);
    border-radius: 50%
}

.r1 {
    width: 330px;
    height: 150px;
    transform: rotate(-18deg)
}

.r2 {
    width: 270px;
    height: 220px;
    transform: rotate(45deg)
}

.r3 {
    width: 190px;
    height: 320px;
    transform: rotate(77deg);
    border-color: rgba(217, 255, 69, .2)
}

.orb {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--lime), var(--cyan));
    color: #06101b
}

.o1 {
    right: 9%;
    top: 12%
}

.o2 {
    left: 8%;
    top: 40%;
    background: linear-gradient(135deg, var(--cyan), var(--purple));
    color: #fff
}

.o3 {
    right: 8%;
    bottom: 14%;
    background: linear-gradient(135deg, var(--purple), var(--lime));
    color: #fff
}

.o4 {
    left: 24%;
    bottom: 5%;
    background: var(--purple);
    color: #fff
}

.section {
    padding: 58px 0
}

.section-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, .75fr);
    gap: 22px;
    align-items: end;
    margin-bottom: 22px
}

.kicker {
    font-size: 11px;
    color: var(--lime);
    font-weight: 900;
    letter-spacing: .14em
}

.section h2 {
    font-size: clamp(31px, 4vw, 46px);
    line-height: 1.1;
    letter-spacing: -.045em;
    margin: 5px 0
}

.section-head p {
    color: var(--muted);
    font-size: 14px;
    margin: 0
}

.cards-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px
}

.cards-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 15px
}

.card {
    min-width: 0;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(15, 37, 60, .96), rgba(7, 20, 34, .96));
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 20px
}

.card h3 {
    font-size: 18px;
    margin: 8px 0 5px
}

.card p {
    color: var(--muted);
    font-size: 13px;
    margin: 0
}

.stat {
    display: block;
    color: var(--lime);
    font-size: 26px;
    font-weight: 900;
    margin-top: 8px
}

.progress {
    height: 7px;
    background: #172b3e;
    border-radius: 99px;
    overflow: hidden;
    margin: 12px 0 3px
}

.progress i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--lime));
    border-radius: 99px
}

.draw {
    display: grid;
    grid-template-columns: minmax(220px, .65fr) minmax(0, 1.5fr);
    gap: 24px;
    align-items: center
}

.balls {
    display: grid;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: 7px
}

.ball {
    height: 38px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    background: #0a1b2d;
    border: 1px solid rgba(67, 220, 255, .27);
    font-size: 12px;
    font-weight: 800
}

.ball.hot {
    color: var(--lime);
    border-color: rgba(217, 255, 69, .55)
}

.chart {
    height: 280px;
    width: 100%;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: linear-gradient(rgba(67, 220, 255, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(67, 220, 255, .055) 1px, transparent 1px);
    background-size: 48px 48px
}

.chart svg {
    width: 100%;
    height: 100%
}

.legend {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    color: var(--muted);
    font-size: 11px;
    margin-top: 8px
}

.dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--cyan);
    margin-right: 5px
}

.dot.lime {
    background: var(--lime)
}

.dot.purple {
    background: var(--purple)
}

.page-hero {
    padding: 55px 0 43px;
    border-bottom: 1px solid var(--line)
}

.page-hero h1 {
    font-size: clamp(40px, 5vw, 64px);
    line-height: 1.08;
    letter-spacing: -.05em;
    margin: 15px 0
}

.page-hero p {
    max-width: 850px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
    margin: 0
}

.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px
}

.filter {
    padding: 6px 11px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #afbed0;
    background: #09192a;
    font-size: 11px
}

.filter.active {
    color: var(--lime);
    border-color: rgba(217, 255, 69, .45)
}

.table-scroll {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 16px
}

table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse
}

th,
td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    font-size: 12px
}

th {
    color: var(--lime);
    background: rgba(217, 255, 69, .025)
}

td {
    color: #b9c8d8
}

.article {
    max-width: 900px
}

.article h2 {
    font-size: 27px;
    line-height: 1.3;
    margin: 34px 0 10px
}

.article p {
    color: #b8c7d8;
    font-size: 14px;
    line-height: 1.95
}

.faq {
    border-top: 1px solid var(--line)
}

details {
    border-bottom: 1px solid var(--line);
    padding: 15px 0
}

summary {
    cursor: pointer;
    list-style: none;
    font-weight: 800;
    display: flex;
    justify-content: space-between;
    gap: 20px
}

summary::-webkit-details-marker {
    display: none
}

summary:after {
    content: "+";
    color: var(--lime);
    font-size: 20px
}

details[open] summary:after {
    content: "−"
}

details p {
    color: var(--muted);
    font-size: 13px;
    margin: 8px 0
}

footer {
    border-top: 1px solid var(--line);
    padding: 34px 0 44px;
    color: var(--muted);
    font-size: 11px
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap
}

@media(max-width:950px) {
    .nav {
        gap: 18px
    }

    .nav-links {
        gap: 15px
    }

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

    .visual {
        height: 260px
    }

    .cards-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }

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

@media(max-width:700px) {
    .container {
        width: calc(100% - 24px)
    }

    .nav {
        min-height: 62px
    }

    .today {
        display: none
    }

    .nav-links {
        display: none
    }

    .menu {
        display: block;
        margin-left: auto
    }

    .nav.mobile-open .nav-links {
        display: flex;
        position: absolute;
        top: 62px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: #07111f;
        padding: 8px 12px;
        border-bottom: 1px solid var(--line)
    }

    .nav.mobile-open .nav-links a {
        width: 100%;
        padding: 9px 0
    }

    .hero {
        padding: 42px 0 35px
    }

    .hero-grid {
        gap: 0
    }

    .hero h1 {
        font-size: clamp(38px, 12.5vw, 55px)
    }

    .hero-desc {
        font-size: 14px
    }

    .visual {
        height: 230px;
        transform: scale(.82);
        margin: -16px -35px
    }

    .section {
        padding: 43px 0
    }

    .section-head {
        grid-template-columns: 1fr;
        gap: 8px
    }

    .section h2 {
        font-size: 34px
    }

    .cards-3,
    .cards-4 {
        grid-template-columns: 1fr
    }

    .balls {
        grid-template-columns: repeat(6, minmax(0, 1fr))
    }

    .chart {
        height: 225px
    }

    .page-hero {
        padding: 42px 0 34px
    }

    .page-hero h1 {
        font-size: 40px
    }
}

@media(max-width:380px) {
    .container {
        width: calc(100% - 20px)
    }

    .hero h1 {
        font-size: 36px
    }

    .balls {
        grid-template-columns: repeat(5, minmax(0, 1fr))
    }
}