:root {
    --bg-deep: #07090f;
    --bg-page: #0e111a;
    --bg-panel: #161b28;
    --bg-field: #222837;
    --line: #2f3648;
    --line-soft: #252b3b;
    --gold: #d4b36a;
    --gold-bright: #f0d48a;
    --gold-deep: #3a2c12;
    --text: #eef1f8;
    --text-mute: #8b93ad;
    --radius: 10px;
    --shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background:
        radial-gradient(1200px 480px at 50% -80px, rgba(212, 179, 106, 0.12), transparent 60%),
        var(--bg-deep);
    color: var(--text);
    line-height: 1.65;
}

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

input,
select,
button {
    -webkit-appearance: none;
    appearance: none;
    border-radius: 0;
    outline: none;
    border: none;
    font-family: inherit;
    background: none;
}

.page-wrap {
    max-width: 760px;
    margin: 0 auto;
    min-height: 100vh;
    background: linear-gradient(180deg, #121722 0%, var(--bg-page) 38%, var(--bg-deep) 100%);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.site-banner {
    position: relative;
    padding: 0;
    background: var(--bg-page);
    border-bottom: 1px solid var(--line-soft);
}

.banner-hero {
    position: relative;
    height: 200px;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(7, 9, 15, 0.2) 0%, rgba(14, 17, 26, 0.78) 58%, var(--bg-page) 100%),
        url('../images/bg-16eaf7.webp') center top / cover no-repeat;
}

.banner-hero::after {
    content: "";
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold), transparent 70%);
}

.brand-link {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
}

.brand-logo {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 128px;
    height: auto;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.55));
    z-index: 2;
}

.brand-name {
    position: absolute;
    left: 20px;
    right: 150px;
    bottom: 42px;
    font-size: 22px;
    font-weight: 650;
    line-height: 1.3;
    letter-spacing: 0.5px;
    color: var(--gold-bright);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.65);
    z-index: 2;
}

.brand-desc {
    position: absolute;
    left: 20px;
    right: 150px;
    bottom: 16px;
    font-size: 13px;
    line-height: 1.4;
    color: rgba(240, 244, 255, 0.92);
    letter-spacing: 1px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
    z-index: 2;
}

.page-body {
    padding: 0 0 8px;
}

.trust-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin: 0;
    padding: 14px 12px;
    background: var(--bg-panel);
    border-top: 1px solid rgba(212, 179, 106, 0.35);
}

.trust-item {
    text-align: center;
    font-size: 12px;
    color: var(--gold);
    position: relative;
}

.trust-item + .trust-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 1px;
    height: 14px;
    transform: translateY(-50%);
    background: var(--line);
}

.order-panel {
    margin: 18px 18px 0;
    padding: 22px 18px 24px;
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    border-radius: 14px;
    box-shadow: var(--shadow);
}

.panel-head {
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line-soft);
}

.panel-title {
    font-size: 18px;
    color: var(--gold-bright);
    font-weight: 650;
}

.panel-hint {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-mute);
}

.field {
    margin-bottom: 20px;
}

.field-label {
    display: block;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-mute);
    font-weight: 500;
}

.field-input {
    width: 100%;
    padding: 14px 14px;
    background: var(--bg-field);
    color: var(--text);
    border: 1px solid var(--line);
    font-size: 15px;
    border-radius: 8px;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.field-input:focus {
    border-color: var(--gold);
    background: #272e40;
}

.pkg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.pkg-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 6px 12px;
    background: var(--bg-field);
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.pkg-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.pkg-gift {
    position: absolute;
    top: 0;
    right: 0;
    padding: 4px 9px;
    font-size: 12px;
    line-height: 1.35;
    color: #3a2c12;
    background: linear-gradient(135deg, #f2d796, #d4b36a);
    border-radius: 0 10px 0 10px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.pkg-card:hover {
    transform: translateY(-1px);
}

.pkg-card:has(input:checked) {
    background: linear-gradient(180deg, rgba(212, 179, 106, 0.18), rgba(212, 179, 106, 0.06));
    border-color: var(--gold);
    box-shadow: inset 0 0 0 1px rgba(212, 179, 106, 0.2);
}

.pkg-price {
    font-style: normal;
    font-size: 16px;
    font-weight: 700;
    color: var(--gold-bright);
}

.pkg-icon {
    width: 54px;
    height: auto;
    margin: 6px 0 4px;
}

.pkg-quota {
    font-size: 11px;
    color: var(--text-mute);
}

.pay-list {
    display: grid;
    gap: 10px;
}

.pay-row {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 14px;
    background: var(--bg-field);
    border: 1px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.pay-row input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.pay-row:has(input:checked) {
    border-color: var(--gold);
    background: rgba(212, 179, 106, 0.08);
}

.pay-more-check {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.pay-extra {
    display: none;
}

.pay-more-check:checked ~ .pay-extra {
    display: flex;
}

.pay-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.pay-logo {
    width: 24px;
    height: 24px;
}

.pay-check {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--line);
    position: relative;
    flex-shrink: 0;
}

.pay-row:has(input:checked) .pay-check {
    border-color: var(--gold);
    background: var(--gold);
    box-shadow: inset 0 0 0 3px var(--bg-field);
}

.pay-toggle {
    display: block;
    width: 100%;
    text-align: center;
    color: var(--gold);
    font-size: 13px;
    cursor: pointer;
    padding: 6px 0;
}

.pay-toggle-close {
    display: none;
}

.pay-more-check:checked ~ .pay-toggle .pay-toggle-open {
    display: none;
}

.pay-more-check:checked ~ .pay-toggle .pay-toggle-close {
    display: inline;
}

.cta-btn {
    width: 100%;
    margin-top: 8px;
    padding: 15px 16px;
    border-radius: 10px;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--gold-deep);
    background: linear-gradient(135deg, #f2d796 0%, #d4b36a 48%, #c19a52 100%);
    box-shadow: 0 8px 20px rgba(201, 170, 113, 0.28);
    cursor: pointer;
    transition: filter 0.2s ease, transform 0.15s ease;
}

.cta-btn:hover {
    filter: brightness(1.04);
}

.cta-btn:active {
    transform: translateY(1px);
}

.notice-block,
.skin-block {
    margin: 18px 18px 0;
    padding: 22px 18px;
    background: var(--bg-panel);
    border: 1px solid var(--line-soft);
    border-radius: 14px;
}

.block-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 16px;
    color: var(--gold);
    font-weight: 650;
}

.block-title::before {
    content: "";
    width: 3px;
    height: 16px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--gold-bright), var(--gold));
}

.notice-list {
    list-style: none;
    margin-bottom: 22px;
}

.notice-list li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-mute);
}

.notice-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold);
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    padding: 12px 14px;
    background: rgba(34, 40, 55, 0.65);
    border: 1px solid var(--line-soft);
    border-radius: 8px;
}

.faq-item dt {
    font-size: 13px;
    color: var(--gold-bright);
    font-weight: 600;
    margin-bottom: 6px;
}

.faq-item dd {
    font-size: 12px;
    color: var(--text-mute);
}

.skin-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.skin-item {
    position: relative;
    overflow: hidden;
    background: var(--bg-field);
    border-radius: 10px;
    border: 1px solid var(--line-soft);
}

.skin-item > img:first-of-type {
    display: block;
    width: 100%;
    height: auto;
    background: #10141e;
}

.skin-tag {
    position: absolute;
    top: 4%;
    right: 4%;
    width: 18%;
    max-width: 92px;
    height: auto;
    pointer-events: none;
}

.skin-meta {
    padding: 11px 10px 13px;
    text-align: center;
}

.skin-title {
    font-size: 13px;
    color: var(--gold-bright);
    font-weight: 650;
}

.skin-sub {
    margin-top: 4px;
    font-size: 11px;
    color: var(--text-mute);
}

.app-block {
    margin: 18px;
    padding: 28px 18px 30px;
    text-align: center;
    background:
        linear-gradient(180deg, rgba(212, 179, 106, 0.08), transparent 40%),
        var(--bg-panel);
    border: 1px solid var(--line);
    border-radius: 14px;
}

.app-qr {
    width: 240px;
    max-width: 70%;
    height: auto;
    margin: 0 auto 14px;
    padding: 8px;
    background: #fff;
    border-radius: 8px;
}

.app-title {
    color: var(--gold);
    font-size: 16px;
    font-weight: 700;
}

.app-sub {
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-mute);
}

.site-foot {
    margin-top: 10px;
    padding: 28px 18px 36px;
    text-align: center;
    font-size: 11px;
    color: #5d6580;
    background: #06080d;
    border-top: 1px solid #151a26;
}

.foot-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin-bottom: 14px;
}

.foot-nav a:hover {
    color: var(--gold);
}

.foot-copy {
    line-height: 1.9;
    opacity: 0.85;
}

.foot-domain {
    margin-top: 4px;
    letter-spacing: 0.8px;
    color: #6f7894;
}

@media (max-width: 420px) {
    .banner-hero {
        height: 180px;
    }

    .brand-logo {
        top: 14px;
        right: 14px;
        width: 100px;
    }

    .brand-name {
        left: 16px;
        right: 120px;
        bottom: 38px;
        font-size: 18px;
    }

    .brand-desc {
        left: 16px;
        right: 120px;
        bottom: 14px;
        font-size: 12px;
        letter-spacing: 0.5px;
    }

    .trust-item {
        font-size: 11px;
    }

    .pkg-price {
        font-size: 15px;
    }
}