:root {
    --primary-blue: #3B82F6;
    --primary-blue-light: #60A5FA;
    --accent-gold: #F59E0B;
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-border: rgba(0, 0, 0, 0.06);
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8
}

[data-theme="dark"] {
    --bg-primary: #0a0f1a;
    --bg-secondary: #121928;
    --bg-card: rgba(18, 25, 40, 0.85);
    --bg-card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #E8ECF4;
    --text-secondary: #94A3B8;
    --text-muted: #64748B
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    min-height: 100vh;
    overflow-x: hidden
}

img {
    display: block
}

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-primary);
    padding-top: 70px
}

.aurora-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden
}

.float-blob-blue, .float-blob-orange, .float-blob-purple, .float-blob-top {
    position: absolute;
    border-radius: 50%
}

.float-blob-blue {
    top: 10%;
    left: 10%;
    width: 600px;
    height: 600px;
    background: rgba(59, 130, 246, .2);
    filter: blur(120px);
    animation: fb1 20s ease-in-out infinite
}

.float-blob-orange {
    bottom: 10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: rgba(251, 146, 60, .18);
    filter: blur(110px);
    animation: fb2 25s ease-in-out infinite
}

.float-blob-purple {
    bottom: 20%;
    left: 20%;
    width: 450px;
    height: 450px;
    background: rgba(139, 92, 246, .15);
    filter: blur(100px);
    animation: fb3 22s ease-in-out infinite
}

.float-blob-top {
    top: 5%;
    right: 20%;
    width: 400px;
    height: 400px;
    background: rgba(34, 211, 238, .12);
    filter: blur(90px);
    animation: fb4 18s ease-in-out infinite
}

[data-theme="dark"] .float-blob-blue {
    background: rgba(59, 130, 246, .12)
}

[data-theme="dark"] .float-blob-orange {
    background: rgba(251, 146, 60, .08)
}

[data-theme="dark"] .float-blob-purple {
    background: rgba(139, 92, 246, .08)
}

[data-theme="dark"] .float-blob-top {
    background: rgba(34, 211, 238, .06)
}

@keyframes fb1 {
    0%, 100% {
        transform: translate(0, 0) scale(1)
    }
    25% {
        transform: translate(30px, -20px) scale(1.05)
    }
    50% {
        transform: translate(-20px, 30px) scale(.95)
    }
    75% {
        transform: translate(20px, 20px) scale(1.02)
    }
}

@keyframes fb2 {
    0%, 100% {
        transform: translate(0, 0) scale(1)
    }
    33% {
        transform: translate(-40px, 20px) scale(1.08)
    }
    66% {
        transform: translate(30px, -30px) scale(.92)
    }
}

@keyframes fb3 {
    0%, 100% {
        transform: translate(0, 0) scale(1)
    }
    20% {
        transform: translate(25px, 25px) scale(1.03)
    }
    40% {
        transform: translate(-15px, 35px) scale(.97)
    }
    60% {
        transform: translate(-30px, -20px) scale(1.05)
    }
    80% {
        transform: translate(20px, -25px) scale(.98)
    }
}

@keyframes fb4 {
    0%, 100% {
        transform: translate(0, 0) scale(1)
    }
    50% {
        transform: translate(-35px, 25px) scale(1.1)
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    padding: 0 24px
}

.hero {
    text-align: center;
    padding: 20px 0 60px
}

header {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: 100%;
    max-width: 600px;
    padding: 0 16px
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--bg-card-border);
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, .06)
}

.navbar-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: .6;
    transition: opacity .2s
}

.navbar-close:hover {
    opacity: 1
}

.navbar-close svg {
    width: 18px;
    height: 18px;
    fill: var(--text-secondary)
}

.notice-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--accent-gold);
    text-align: center;
    flex: 1
}

.hero-title-section {
    margin-bottom: 40px;
    text-align: center
}

.hero-trophy {
    height: 120px;
    width: auto;
    display: block;
    margin: 0 auto 16px;
    object-fit: contain;
    filter: drop-shadow(0 4px 16px rgba(245, 158, 11, .35))
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.15;
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #F59E0B 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradShift 4s ease infinite
}

@keyframes gradShift {
    0%, 100% {
        background-position: 0% 50%
    }
    50% {
        background-position: 100% 50%
    }
}

.hero-description {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 16px auto 0;
    line-height: 1.6
}

.brand-cards-section {
    margin-bottom: 40px
}

.section-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 20px;
    text-align: center;
    letter-spacing: 2px;
    text-transform: uppercase
}

.brand-grid {
    display: flex;
    flex-direction: column;
    gap: 12px
}

.brand-card {
    position: relative;
    display: grid;
    grid-template-columns:auto 1fr auto;
    align-items: center;
    gap: 18px;
    padding: 18px;
    border-radius: 18px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--bg-card-border);
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease
}

.brand-card:hover {
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, .35);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .25)
}

.brand-card-logo {
    flex: 0 0 auto;
    width: 124px;
    height: 124px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
    overflow: hidden;
    position: relative
}

.brand-card-logo::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 255), transparent 50%);
   /* background: linear-gradient(135deg, rgba(255, 255, 255, .06), transparent 50%); */
    pointer-events: none
}

.brand-card-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain
}

.card-ky .brand-card-logo {
    background: linear-gradient(135deg, #142a4a, #1e3e6b)
}

.card-jy .brand-card-logo {
    background: linear-gradient(135deg, #1a1a3e, #2e2460)
}

.card-hth .brand-card-logo {
    background: linear-gradient(135deg, #1c1c2e, #2a2a40)
}

.card-mk .brand-card-logo {
    background: linear-gradient(135deg, #1e2340, #2c3358)
}

.card-ai .brand-card-logo {
    background: linear-gradient(135deg, #1a2540, #2c3358)
}

.brand-card-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-self: center
}

.brand-card-head {
    display: flex;
    align-items: center;
    gap: 8px
}

.brand-card-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: .3px
}

.brand-card-tag {
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 10px;
    letter-spacing: .5px;
    color: #fff;
    line-height: 1.5;
    white-space: nowrap
}

.brand-card-tag.rec {
    background: linear-gradient(135deg, #F43F5E, #BE123C);
    box-shadow: 0 2px 8px rgba(244, 63, 94, .4)
}

.brand-card-tag.new {
    background: linear-gradient(135deg, #10B981, #059669)
}

.brand-card-tag.hot {
    background: linear-gradient(135deg, #F59E0B, #EF4444)
}

.brand-card-tag.SVIP {
    background: linear-gradient(135deg, #00fae1, #EF4444)
}

.brand-card-tag.top {
    background: linear-gradient(135deg, #3B82F6, #1D4ED8)
}

.brand-card-tag.vip {
    background: linear-gradient(135deg, #8B5CF6, #6D28D9)
}

.brand-card-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    line-height: 1.5;
    min-width: 0;
    position: relative;
    padding-left: 12px
}

.brand-card-info::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    border-radius: 2px
}

.brand-card-info.team::before {
    background: linear-gradient(180deg, #60A5FA, #3B82F6)
}

.brand-card-info.act::before {
    background: linear-gradient(180deg, #FBBF24, #F59E0B)
}

.info-key {
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
    color: var(--text-muted);
    letter-spacing: .3px
}

.marquee {
    position: relative;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent)
}

.marquee-track {
    display: flex;
    gap: 5px;
    width: max-content;
    animation: marquee 25s linear infinite;
    will-change: transform
}

.marquee:hover .marquee-track {
    animation-play-state: paused
}

@keyframes marquee {
    from {
        transform: translateX(0)
    }
    to {
        transform: translateX(-50%)
    }
}

.chip {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
    white-space: nowrap;
    line-height: 1.6;
    flex-shrink: 0
}

.brand-card-info.team .chip {
    background: rgba(59, 130, 246, .14);
    color: #60A5FA
}

.brand-card-info.act .chip {
    background: rgba(245, 158, 11, .12);
    color: var(--accent-gold)
}

@media (min-width: 769px) {
    .marquee.pc-wrap {
        overflow: visible;
        -webkit-mask-image: none;
        mask-image: none
    }

    .marquee.pc-wrap .marquee-track {
        flex-wrap: wrap;
        width: auto;
        animation: none;
        transform: none;
        gap: 4px
    }

    .marquee.pc-wrap .chip-dup {
        display: none
    }
}

.brand-card-btns {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.bc-btn {
    flex: 1;
    padding: 8px 22px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s ease;
    border: none;
    min-height: 34px;
    text-align: center;
    min-width: 120px;
    white-space: nowrap
}

.bc-btn.primary {
    background: var(--primary-blue);
    color: #fff
}

.bc-btn.primary:hover {
    background: var(--primary-blue-light);
    box-shadow: 0 3px 10px rgba(59, 130, 246, .3)
}

.bc-btn.ghost {
    background: transparent;
    border: 1.5px solid var(--bg-card-border);
    color: var(--text-secondary)
}

.bc-btn.ghost:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue)
}

.backup-section {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--bg-card-border);
    border-radius: 16px;
    padding: 24px
}

.backup-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 20px
}

.backup-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary)
}

.backup-tip {
    font-size: 12px;
    color: var(--text-muted)
}

.backup-list {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 12px
}

.backup-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(59, 130, 246, .06);
    border: 1px solid var(--bg-card-border);
    border-radius: 50px;
    transition: border-color .2s ease, box-shadow .2s ease;
    min-height: 44px
}

.backup-item:hover {
    border-color: rgba(59, 130, 246, .35);
    box-shadow: 0 4px 12px rgba(59, 130, 246, .08)
}

.backup-url {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-blue);
    letter-spacing: .3px
}

.backup-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 50px;
    letter-spacing: .3px;
    white-space: nowrap
}

.backup-tag.tag-domestic {
    color: #10B981;
    background: rgba(16, 185, 129, .12)
}

.backup-tag.tag-overseas {
    color: var(--accent-gold);
    background: rgba(245, 158, 11, .14)
}

.backup-copy-btn {
    padding: 8px 16px;
    background: var(--primary-blue);
    border: none;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: background .2s ease;
    min-width: 56px;
    min-height: 32px
}

.backup-copy-btn:hover {
    background: var(--primary-blue-light)
}

.backup-copy-btn:active {
    opacity: .9
}

.backup-copy-btn.copied {
    background: #10B981
}

.site-footer {
    text-align: center;
    padding: 24px 16px 32px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.8
}

@media (max-width: 900px) {
    .hero-trophy {
        height: 100px
    }

    .hero-title {
        font-size: 52px
    }
}

@media (max-width: 768px) {
    header {
        top: 8px;
        padding: 0 12px
    }

    .navbar {
        padding: 8px 16px
    }

    .hero-content {
        padding: 0 16px
    }

    .hero {
        padding: 10px 0 40px
    }

    .hero-trophy {
        height: 80px
    }

    .hero-title {
        font-size: 40px;
        letter-spacing: -1px
    }

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

    .brand-grid {
        gap: 10px
    }

    .brand-card {
        padding: 16px;
        gap: 16px;
        grid-template-columns:auto 1fr;
        grid-template-areas:"logo body" "btns btns";
        row-gap: 10px
    }

    .brand-card-logo {
        grid-area: logo;
        width: 84px;
        height: 84px;
        padding: 10px
    }

    .brand-card-body {
        grid-area: body
    }

    .brand-card-btns {
        grid-area: btns;
        flex-direction: row
    }

    .brand-card-name {
        font-size: 15px
    }

    .brand-card-promo {
        font-size: 11px
    }

    .bc-btn {
        padding: 7px 0;
        font-size: 11px;
        min-height: 32px;
        min-width: 0
    }

    .backup-section {
        padding: 20px 16px
    }

    .backup-list {
        gap: 10px
    }

    .backup-item {
        padding: 12px 16px;
        gap: 10px
    }

    .backup-url {
        font-size: 13px
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding-top: 60px
    }

    .backup-list {
        grid-template-columns:1fr
    }

    .backup-item {
        padding: 10px 14px;
        gap: 8px;
        min-height: 40px
    }

    .backup-url {
        font-size: 13px;
        flex-shrink: 0
    }

    .backup-tag {
        font-size: 10px;
        padding: 3px 8px;
        flex-shrink: 1;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis
    }

    .backup-copy-btn {
        padding: 6px 12px;
        font-size: 11px;
        min-height: 28px;
        min-width: 48px;
        flex-shrink: 0
    }

    .hero-trophy {
        height: 60px
    }

    .hero-title {
        font-size: 26px;
        letter-spacing: -0.5px
    }

    .brand-grid {
        gap: 8px
    }

    .brand-card {
        padding: 14px;
        gap: 14px;
        row-gap: 8px
    }

    .brand-card-logo {
        width: 76px;
        height: 76px;
        padding: 8px;
        border-radius: 12px
    }

    .brand-card-name {
        font-size: 14px
    }

    .bc-btn {
        border-radius: 6px
    }
}

@media (prefers-reduced-motion: reduce) {
    .float-blob-blue, .float-blob-orange, .float-blob-purple, .float-blob-top, .hero-title {
        animation: none
    }

    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important
    }
}