:root {
    --brand: #02afa7;
    --brand-dark: #006d68;
    --ink: #101114;
    --muted: #666b73;
    --header-height: 70px;
    --content-width: 1100px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    color: #333;
    background: #fff;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

button,
a {
    font: inherit;
}

button {
    border: 0;
}

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

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

.site-header {
    position: absolute;
    inset: 0 0 auto;
    z-index: 40;
    height: var(--header-height);
    color: #fff;
    background: rgba(0, 0, 0, .36);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    backdrop-filter: blur(5px);
}

.header-inner {
    width: min(calc(100% - 48px), 1160px);
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.brand img {
    width: 138px;
    height: 39px;
    object-fit: contain;
}

.certification {
    margin-left: 14px;
}

.certification img {
    width: 84px;
    height: 30px;
    object-fit: contain;
}

.primary-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 30px;
    font-size: 15px;
    font-weight: 650;
}

.primary-nav a,
.nav-service,
.language {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    color: #fff;
    background: transparent;
    white-space: nowrap;
}

.primary-nav a,
.nav-service {
    cursor: pointer;
    transition: color .2s ease, opacity .2s ease;
}

.primary-nav a:hover,
.nav-service:hover {
    color: #6ce1dc;
}

.nav-service svg,
.footer-service svg {
    width: 20px;
    height: 20px;
    margin-right: 7px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.language {
    gap: 7px;
    font-weight: 500;
}

.language span {
    color: #d9e5e5;
    font-size: 9px;
    box-shadow: 0 0 0 3px rgba(255,255,255,.12);
    border-radius: 50%;
}

.hero {
    position: relative;
    height: 720px;
    overflow: hidden;
    color: #fff;
    background: #0e1013;
}

.hero::after {
    content: "";
    position: absolute;
    z-index: 4;
    inset: auto 0 0;
    height: 270px;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(2, 175, 167, 0), rgba(2, 107, 102, .67) 46%, #07534f 100%);
}

.hero-slides,
.hero-slide {
    position: absolute;
    inset: 0;
}

.hero-slide {
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
}

.hero-slide.is-active {
    opacity: 1;
    visibility: visible;
}

.hero-slide--friends {
    background-image: linear-gradient(rgba(0,0,0,.08), rgba(0,0,0,.12)), url("/static/images/banner_1_bg.98b55551.png");
    background-size: cover;
    background-position: center;
}

.hero-friends-layers {
    position: relative;
    width: min(100%, 1180px);
    height: 100%;
    margin: 0 auto;
}

.hero-phone {
    position: absolute;
    z-index: 2;
    left: 35%;
    bottom: 144px;
    width: 152px;
    height: auto;
    filter: drop-shadow(0 22px 24px rgba(0, 0, 0, .35));
}

.hero-slogan {
    position: absolute;
    z-index: 2;
    left: 54%;
    top: 180px;
    width: 316px;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .3));
    --float-base-transform: translateX(0);
    animation: hero-float-y 4s ease-in-out infinite;
}

.hero-slide--holdem {
    background: radial-gradient(circle at 66% 38%, #272932 0, #17181d 48%, #111216 100%);
}

.holdem-art {
    position: relative;
    width: min(100%, 1120px);
    height: 100%;
    margin: 0 auto;
}

.holdem-title {
    position: absolute;
    left: 10.5%;
    top: 277px;
    width: 506px;
    z-index: 2;
    filter: drop-shadow(0 5px 3px rgba(0, 0, 0, .5));
}

.holdem-cards {
    position: absolute;
    right: 4.7%;
    top: 72px;
    width: 633px;
    filter: drop-shadow(0 25px 22px rgba(0, 0, 0, .48));
    --float-base-transform: translateX(0);
    animation: hero-float-y 4s ease-in-out .5s infinite;
}

@keyframes hero-float-y {
    0%,
    100% {
        transform: var(--float-base-transform) translateY(0);
    }

    50% {
        transform: var(--float-base-transform) translateY(-15px);
    }
}

.carousel-arrow {
    position: absolute;
    z-index: 12;
    top: 50%;
    width: 44px;
    height: 80px;
    margin-top: -48px;
    color: #fff;
    background: rgba(0, 0, 0, .2);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 4px;
    font-size: 42px;
    font-weight: 200;
    line-height: 1;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease;
}

.carousel-arrow:hover {
    background: rgba(0, 0, 0, .48);
    border-color: rgba(255, 255, 255, .28);
}

.carousel-arrow--prev {
    left: 20px;
}

.carousel-arrow--next {
    right: 20px;
}

.download-panel {
    position: absolute;
    z-index: 10;
    left: 50%;
    bottom: 54px;
    width: min(calc(100% - 120px), 790px);
    transform: translateX(-50%);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
}

.download-button {
    width: 100%;
    height: 64px;
    padding: 0 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: linear-gradient(180deg, #69c5c0 0%, #32a8a2 45%, #07857f 100%);
    border: 1px solid rgba(255, 255, 255, .55);
    border-radius: 9px;
    box-shadow: inset 0 1px rgba(255,255,255,.38), 0 7px 18px rgba(0,0,0,.22);
    font-size: 17px;
    font-weight: 750;
    text-shadow: 0 1px 2px rgba(0,0,0,.4);
    cursor: pointer;
    transition: transform .18s ease, filter .18s ease;
}

.download-button:hover {
    transform: translateY(-2px);
    filter: brightness(1.08);
}

.download-button svg {
    flex: 0 0 auto;
    width: 22px;
    height: 22px;
    margin-right: 10px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.download-meta {
    width: calc(100% - 14px);
    height: 41px;
    margin: 8px auto 0;
    padding: 0 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e9eeee;
    background: rgba(4, 18, 20, .84);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 999px;
    font-size: 14px;
    white-space: nowrap;
}

.download-meta strong {
    margin-left: 7px;
    color: #37bfff;
    font-size: 16px;
}

.download-meta--button {
    border: 1px solid rgba(255,255,255,.08);
    cursor: pointer;
    transition: color .18s ease, background .18s ease, transform .18s ease;
}

.download-meta--button:hover {
    color: #fff;
    background: rgba(4, 18, 20, .98);
    transform: translateY(-1px);
}

.carousel-dots {
    position: absolute;
    left: 50%;
    bottom: -34px;
    display: flex;
    gap: 8px;
    transform: translateX(-50%);
}

.carousel-dots button {
    width: 7px;
    height: 7px;
    padding: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.45);
    cursor: pointer;
}

.carousel-dots button.is-active {
    width: 22px;
    border-radius: 10px;
    background: #fff;
}

.club-intro {
    padding: 80px 20px;
    background: #fff;
}

.club-intro-inner {
    width: min(100%, var(--content-width));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, .72fr);
    align-items: center;
    gap: 60px;
}

.club-poster {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    color: #fff;
    background:
        linear-gradient(100deg, rgba(4, 6, 9, .97) 0%, rgba(22, 10, 9, .87) 52%, rgba(5, 6, 9, .46) 100%),
        url("/static/images/news_bg.d9e748e4.png") center / cover;
    border-radius: 2px;
    box-shadow: 0 12px 32px rgba(0,0,0,.18);
}

.club-poster::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 30%;
    background: linear-gradient(transparent, rgba(2,175,167,.26));
}

.club-poster > img {
    position: absolute;
    z-index: 1;
    right: -5%;
    bottom: -32%;
    width: 62%;
    opacity: .72;
    filter: drop-shadow(0 14px 12px rgba(0,0,0,.5));
}

.poster-copy {
    position: absolute;
    z-index: 2;
    left: 8%;
    top: 11%;
    max-width: 66%;
    display: flex;
    flex-direction: column;
    text-shadow: 0 3px 9px #000;
}

.poster-copy > span {
    color: #d7b062;
    font-family: Georgia, serif;
    font-size: clamp(24px, 3vw, 48px);
    font-weight: 800;
    line-height: 1;
}

.poster-copy small {
    margin: 7px 0 20px;
    color: #d9c9a7;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .12em;
}

.poster-copy strong {
    font-size: clamp(28px, 4vw, 57px);
    line-height: 1.12;
    white-space: nowrap;
}

.poster-copy b {
    margin-top: 25px;
    display: flex;
    flex-wrap: nowrap;
    gap: .35em;
    color: #f3dfbd;
    font-size: clamp(13px, 1.35vw, 19px);
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: .03em;
    white-space: nowrap;
}

.club-copy .eyebrow,
.modal-eyebrow {
    margin: 0 0 8px;
    color: var(--brand);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .18em;
}

.club-copy h1,
.club-copy h2 {
    margin: 0;
    color: #17191d;
    line-height: 1.3;
}

.club-copy h1 {
    font-size: 30px;
}

.club-copy h2 {
    margin-top: 12px;
    font-size: 25px;
}

.club-number {
    margin: 8px 0;
    color: var(--brand);
    font-size: 32px;
    font-weight: 800;
    letter-spacing: .03em;
}

.club-description {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
}

.site-footer {
    padding: 60px 20px 0;
    color: #fff;
    background: var(--brand);
}

.footer-logo {
    width: 177px;
    height: auto;
    margin: 0 auto 20px;
    display: block;
}

.faq-section {
    width: min(100%, 1225px);
    margin: 0 auto;
    padding: 60px 20px;
    background: linear-gradient(145deg, #030405, #090a0b);
}

.faq-container {
    width: min(100%, 900px);
    margin: 0 auto;
}

.faq-section h2 {
    margin: 0 0 28px;
    color: #fff;
    font-size: 24px;
    text-align: left;
}

.faq-list {
    display: grid;
    gap: 20px;
}

.faq-item {
    min-height: 142px;
    padding: 25px;
    background: linear-gradient(145deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .025));
    border: 1px solid rgba(45, 167, 255, .28);
    border-radius: 11px;
    transition: background .2s ease, border-color .2s ease;
}

.faq-item:hover {
    background: rgba(255, 255, 255, .055);
    border-color: rgba(2, 175, 167, .35);
}

.faq-item h3 {
    margin: 0 0 13px;
    display: flex;
    align-items: center;
    color: #35aaff;
    font-size: 16px;
    font-weight: 750;
}

.faq-item h3 span {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    margin-right: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #050607;
    background: #35aaff;
    border: 1px solid #35aaff;
    border-radius: 50%;
    font-weight: 800;
    font-size: 14px;
}

.faq-item p {
    margin: 0 0 0 38px;
    color: rgba(255, 255, 255, .92);
    font-size: 14px;
    line-height: 1.85;
    font-weight: 600;
}

.faq-item b {
    color: #fff;
}

.faq-item strong {
    color: #fff;
}

.footer-service {
    margin: 40px auto 0;
    padding: 13px 22px;
    display: flex;
    align-items: center;
    color: #fff;
    background: rgba(0, 0, 0, .5);
    border: 1px solid rgba(77, 184, 255, .4);
    border-radius: 6px;
    font-weight: 750;
    cursor: pointer;
    transition: filter .2s ease, transform .2s ease;
}

.footer-service:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.footer-bottom {
    padding: 28px 15px;
    color: rgba(255,255,255,.82);
    text-align: center;
    font-size: 13px;
}

.contact-modal,
.santiao-modal {
    position: fixed;
    z-index: 100;
    inset: 0;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(2, 7, 8, .82);
    backdrop-filter: blur(7px);
}

.contact-modal[hidden],
.santiao-modal[hidden] {
    display: none;
}

.contact-dialog {
    position: relative;
    width: min(100%, 960px);
    max-height: calc(100vh - 60px);
    padding: 36px;
    overflow-y: auto;
    color: #272b30;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 24px 70px rgba(0,0,0,.4);
}

.contact-dialog > h2 {
    margin: 0;
    font-size: 28px;
}

.modal-lead {
    margin: 7px 0 25px;
    color: #737980;
}

.modal-close {
    position: absolute;
    top: 14px;
    right: 17px;
    width: 38px;
    height: 38px;
    color: #777;
    background: #f3f4f5;
    border-radius: 50%;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.contact-card {
    padding: 18px;
    text-align: center;
    background: #f7f9f9;
    border: 1px solid #e4eaea;
    border-radius: 10px;
}

.contact-icon {
    width: 42px;
    height: 42px;
    margin: 0 auto;
    object-fit: cover;
    border-radius: 11px;
}

.contact-card h3 {
    margin: 9px 0 12px;
    font-size: 16px;
}

.contact-qr {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: #fff;
    border-radius: 5px;
}

.contact-card code {
    margin: 12px 0;
    display: block;
    color: #1e5d5a;
    font-family: inherit;
    font-size: 13px;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.contact-card button {
    width: 100%;
    padding: 9px 10px;
    color: #fff;
    background: var(--brand);
    border-radius: 5px;
    font-weight: 700;
    cursor: pointer;
}

.contact-card button.is-success {
    background: #2a9a52;
}

.santiao-dialog {
    position: relative;
    width: min(100%, 440px);
    max-height: calc(100vh - 60px);
    padding: 34px;
    overflow-y: auto;
    color: #272b30;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 24px 70px rgba(0,0,0,.4);
    text-align: center;
}

.santiao-close {
    position: absolute;
    top: 14px;
    right: 17px;
    width: 38px;
    height: 38px;
    color: #777;
    background: #f3f4f5;
    border-radius: 50%;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.santiao-dialog-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    object-fit: cover;
    border-radius: 14px;
}

.santiao-dialog .modal-eyebrow {
    margin-bottom: 4px;
}

.santiao-dialog h2 {
    margin: 0 0 20px;
    font-size: 25px;
}

.santiao-qr-large {
    width: min(100%, 330px);
    margin: 0 auto;
    border: 1px solid #e4eaea;
    border-radius: 8px;
}

.santiao-tip {
    margin: 16px 0 0;
    color: #626970;
    font-size: 14px;
}

@media (max-width: 900px) {
    .primary-nav {
        gap: 19px;
    }

    .download-panel {
        width: min(calc(100% - 70px), 760px);
    }

    .download-grid {
        gap: 15px;
    }

    .download-button {
        font-size: 15px;
    }

    .club-intro-inner {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .club-copy {
        text-align: center;
    }

    .club-description {
        max-width: 680px;
        margin: 0 auto;
    }

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

@media (max-width: 640px) {
    :root {
        --header-height: 60px;
    }

    .header-inner {
        width: 100%;
        padding: 0 15px;
    }

    .brand img {
        width: 114px;
        height: auto;
    }

    .certification,
    .primary-nav > a {
        display: none;
    }

    .primary-nav {
        gap: 19px;
        font-size: 14px;
    }

    .nav-service svg {
        width: 19px;
        height: 19px;
    }

    .hero {
        height: 844px;
    }

    .hero::after {
        height: 400px;
        background: linear-gradient(180deg, rgba(2,175,167,0), rgba(2,111,105,.72) 43%, #07534f 100%);
    }

    .hero-slide--friends {
        background-position: center top;
    }

    .hero-friends-layers {
        width: 100%;
    }

    .hero-phone {
        left: 50%;
        bottom: 315px;
        width: 250px;
        transform: translateX(-50%);
    }

    .hero-slogan {
        left: 50%;
        top: 245px;
        width: 250px;
        --float-base-transform: translateX(-50%);
    }

    .holdem-title {
        left: 50%;
        top: 355px;
        width: 285px;
        transform: translateX(-50%);
    }

    .holdem-cards {
        left: 50%;
        right: auto;
        top: 57px;
        width: 345px;
        --float-base-transform: translateX(-50%);
    }

    .carousel-arrow {
        display: none;
    }

    .download-panel {
        bottom: 26px;
        width: calc(100% - 40px);
    }

    .download-grid {
        grid-template-columns: 1fr;
        gap: 11px;
    }

    .download-button {
        height: 55px;
        font-size: 16px;
    }

    .download-meta {
        height: 29px;
        margin-top: 6px;
        font-size: 13px;
    }

    .download-meta strong {
        font-size: 14px;
    }

    .carousel-dots {
        display: none;
    }

    .club-intro {
        padding: 88px 20px 62px;
    }

    .club-intro-inner {
        gap: 35px;
    }

    .club-poster {
        min-height: 196px;
    }

    .poster-copy {
        max-width: 84%;
    }

    .poster-copy small {
        margin: 4px 0 12px;
        font-size: 14px;
        font-weight: 900;
        letter-spacing: .08em;
    }

    .poster-copy b {
        margin-top: 13px;
        flex-direction: row;
        gap: .35em;
        font-size: 14px;
        font-weight: 900;
        line-height: 1.2;
        letter-spacing: .01em;
    }

    .club-copy .eyebrow {
        display: none;
    }

    .club-copy h1 {
        font-size: 29px;
    }

    .club-copy h2 {
        margin-top: 17px;
        font-size: 26px;
    }

    .club-number {
        margin-top: 12px;
        font-size: 32px;
    }

    .club-description {
        font-size: 14px;
        text-align: left;
    }

    .site-footer {
        padding: 48px 18px 0;
        background: var(--brand);
    }

    .footer-logo {
        width: 177px;
        margin-bottom: 20px;
    }

    .faq-section {
        width: 100%;
        padding: 57px 19px 72px;
        background: linear-gradient(145deg, #030405, #090a0b);
    }

    .faq-section h2 {
        margin-bottom: 27px;
        font-size: 22px;
        line-height: 1.35;
        text-align: center;
    }

    .faq-list {
        gap: 18px;
    }

    .faq-item {
        min-height: 0;
        padding: 22px;
    }

    .faq-item h3 {
        align-items: flex-start;
        font-size: 15px;
        line-height: 1.65;
    }

    .faq-item h3 span {
        width: 16px;
        height: 16px;
        margin-top: 4px;
        margin-right: 10px;
        font-size: 10px;
    }

    .faq-item p {
        margin-left: 0;
        font-size: 14px;
        line-height: 1.8;
    }

    .footer-service {
        margin-top: 40px;
    }

    .footer-bottom {
        color: rgba(255,255,255,.6);
        background: transparent;
    }

    .contact-modal,
    .santiao-modal {
        padding: 14px;
        align-items: flex-end;
    }

    .contact-dialog {
        max-height: calc(100vh - 28px);
        padding: 30px 18px 20px;
        border-radius: 14px 14px 8px 8px;
    }

    .contact-dialog > h2 {
        font-size: 24px;
    }

    .santiao-dialog {
        max-height: calc(100vh - 28px);
        padding: 28px 18px 20px;
        border-radius: 14px 14px 8px 8px;
    }

    .contact-grid {
        gap: 10px;
    }

    .contact-card {
        padding: 12px;
    }

    .contact-card h3 {
        font-size: 14px;
    }
}

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

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