:root {
    --accent: #d4a017;
    --accent-soft: #e8b84a;
    --accent-deep: #b8860b;
    --surface-0: #0b0e13;
    --surface-1: #141a22;
    --surface-2: #1c2430;
    --line: rgba(212, 160, 23, 0.22);
    --line-mute: #2a3340;
    --ink: #eef2f6;
    --ink-mute: #9aa6b5;
    --warn: #e85d5d;
    --ok: #1aad57;
    --radius: 8px;
    --radius-sm: 6px;
    --shadow-panel: 0 24px 48px rgba(0, 0, 0, 0.45);
    --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--ink);
    line-height: 1.65;
    min-height: 100vh;
    background-color: var(--surface-0);
    background-image:
        linear-gradient(180deg, rgba(11, 14, 19, 0.88) 0%, rgba(11, 14, 19, 0.72) 45%, rgba(11, 14, 19, 0.92) 100%),
        url('../images/bg1.jpg');
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
}

.page-shell {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* 顶栏 */
.top-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 10px 4px;
    font-size: 0.78rem;
    color: var(--ink-mute);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.top-strip-domain {
    color: var(--accent-soft);
    letter-spacing: 0.04em;
    font-weight: 600;
}

/* 页头 */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0 18px;
}
.brand-block {
    display: flex;
    align-items: center;
    gap: 14px;
}
.brand-logo {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent);
    object-fit: cover;
}
.brand-text h1 {
    font-size: 1.28rem;
    font-weight: 750;
    letter-spacing: 0.04em;
    color: var(--ink);
}
.brand-text p {
    font-size: 0.78rem;
    color: var(--ink-mute);
    margin-top: 2px;
    letter-spacing: 0.12em;
}
.site-nav {
    display: flex;
    gap: 8px;
}
.site-nav a {
    color: var(--ink);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.site-nav a:hover {
    color: var(--accent-soft);
    border-color: var(--line);
    background: rgba(212, 160, 23, 0.08);
}

/* 流程步骤 */
.flow-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 8px 0 22px;
}
.flow-steps li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: rgba(20, 26, 34, 0.85);
    border: 1px solid var(--line-mute);
    border-radius: var(--radius);
    color: var(--ink-mute);
    font-size: 0.85rem;
}
.flow-steps em {
    font-style: normal;
    font-weight: 700;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
}
.flow-steps .is-current {
    border-color: var(--line);
    color: var(--ink);
    background: linear-gradient(135deg, rgba(212, 160, 23, 0.12), rgba(20, 26, 34, 0.9));
}

/* 主内容栅格 */
.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.9fr);
    gap: 20px;
    align-items: start;
}

.charge-panel,
.aside-card,
.mode-section,
.help-section {
    background: rgba(20, 26, 34, 0.92);
    border: 1px solid var(--line-mute);
    border-radius: var(--radius);
    box-shadow: var(--shadow-panel);
    backdrop-filter: blur(6px);
}

.charge-panel {
    padding: 28px 30px 32px;
    position: relative;
    overflow: hidden;
}
.charge-panel::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-deep), var(--accent-soft), transparent 80%);
}

.panel-head {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.panel-head h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-soft);
}
.panel-head p {
    margin-top: 6px;
    font-size: 0.84rem;
    color: var(--ink-mute);
}

.field-block + .field-block { margin-top: 22px; }
.field-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-soft);
    margin-bottom: 10px;
}

.field-control {
    width: 100%;
    background: var(--surface-2);
    border: 1px solid var(--line-mute);
    padding: 15px 16px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    appearance: none;
}
.field-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.15);
}

.select-box { position: relative; }
.select-box::after {
    content: '';
    position: absolute;
    right: 16px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
    transform: translateY(-65%) rotate(45deg);
    pointer-events: none;
}

.denom-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 10px;
}
.denom-card {
    position: relative;
    display: block;
    background: var(--surface-2);
    border: 1px solid var(--line-mute);
    border-radius: var(--radius-sm);
    padding: 18px 10px 14px;
    text-align: center;
    cursor: pointer;
    color: inherit;
    font: inherit;
    transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.denom-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.denom-card:hover {
    border-color: #4a5668;
    transform: translateY(-1px);
}
.denom-card:has(input:checked) {
    border-color: var(--accent);
    background: rgba(212, 160, 23, 0.1);
}
.denom-card strong {
    display: block;
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
}
.denom-card span {
    display: block;
    margin-top: 4px;
    font-size: 0.82rem;
    color: var(--ink-mute);
}
.bonus-flag {
    position: absolute;
    top: 0;
    left: 0;
    font-style: normal;
    font-size: 10px;
    padding: 2px 8px;
    background: var(--warn);
    color: #fff;
    border-radius: var(--radius-sm) 0 var(--radius-sm) 0;
}

.channel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.channel-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--surface-2);
    border: 1px solid var(--line-mute);
    border-radius: var(--radius-sm);
    padding: 14px;
    cursor: pointer;
    color: inherit;
    font: inherit;
    transition: border-color 0.2s, color 0.2s;
}
.channel-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.channel-card:hover { border-color: #4a5668; }
.channel-card:has(input:checked) {
    border-color: var(--accent);
    color: var(--accent-soft);
    font-weight: 700;
}
.channel-icon {
    width: 22px;
    height: 22px;
}

.action-btn {
    width: 100%;
    margin-top: 28px;
    padding: 16px;
    border: none;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent-soft) 0%, var(--accent-deep) 100%);
    color: #1a1200;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: filter 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 10px 24px rgba(184, 134, 11, 0.28);
}
.action-btn:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
}

/* 侧栏 */
.side-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.aside-card { padding: 22px; }
.aside-card h2 {
    font-size: 1rem;
    color: var(--accent-soft);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.promise-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.promise-list h3 {
    font-size: 0.92rem;
    font-weight: 650;
    margin-bottom: 4px;
}
.promise-list p {
    font-size: 0.8rem;
    color: var(--ink-mute);
}
.download-box { text-align: center; }
.download-box img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line-mute);
    background: #fff;
}
.download-box p {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--ink-mute);
}

/* 通用区块标题 */
.section-heading {
    margin-bottom: 18px;
}
.section-heading h2 {
    font-size: 1.1rem;
    color: var(--accent-soft);
}
.section-heading p {
    margin-top: 6px;
    font-size: 0.84rem;
    color: var(--ink-mute);
}

/* 职业介绍 */
.mode-section {
    margin-top: 22px;
    padding: 28px 30px;
}
.mode-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.mode-card {
    background: var(--surface-2);
    border: 1px solid var(--line-mute);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
}
.mode-card:hover {
    border-color: var(--line);
    transform: translateY(-2px);
}
.mode-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    display: block;
}
.mode-body { padding: 12px 12px 14px; }
.mode-body h3 {
    font-size: 0.95rem;
    color: var(--accent-soft);
    margin-bottom: 6px;
}
.mode-body p {
    font-size: 0.76rem;
    color: var(--ink-mute);
    line-height: 1.55;
}

/* 帮助中心 */
.help-section {
    margin-top: 22px;
    padding: 28px 30px;
}
.faq-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 28px;
}
.faq-row {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 12px 0;
}
.faq-row summary {
    list-style: none;
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 550;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}
.faq-row summary::-webkit-details-marker { display: none; }
.faq-row summary::after {
    content: '+';
    color: var(--ink-mute);
    font-weight: 700;
    flex-shrink: 0;
}
.faq-row[open] summary::after { content: '−'; }
.faq-row p {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--ink-mute);
    line-height: 1.65;
}

/* 页脚 */
.site-footer {
    margin-top: 36px;
    padding: 36px 28px 22px;
    background: rgba(12, 16, 22, 0.92);
    border: 1px solid var(--line-mute);
    border-radius: var(--radius);
    box-shadow: var(--shadow-panel);
    color: #7a8694;
    font-size: 0.8rem;
}
.footer-main {
    display: grid;
    grid-template-columns: minmax(220px, 1.1fr) minmax(0, 2fr);
    gap: 32px 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-brand-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.footer-logo {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    border: 1px solid rgba(212, 160, 23, 0.45);
    object-fit: cover;
}
.footer-brand strong {
    display: block;
    color: var(--ink);
    font-size: 0.95rem;
    font-weight: 700;
}
.footer-brand-row p {
    margin-top: 2px;
    font-size: 0.75rem;
    color: var(--accent-soft);
    letter-spacing: 0.06em;
}
.footer-desc {
    line-height: 1.7;
    color: #8a96a5;
    max-width: 320px;
}
.footer-cols {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px 16px;
}
.footer-col h3 {
    color: var(--ink);
    font-size: 0.88rem;
    font-weight: 650;
    margin-bottom: 12px;
}
.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-col a {
    color: #8a96a5;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent-soft); }
.footer-contact li { line-height: 1.55; }

.footer-notice {
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-notice p {
    font-size: 0.74rem;
    line-height: 1.7;
    color: #667280;
}
.footer-notice p + p { margin-top: 6px; }

.footer-bottom {
    padding-top: 18px;
    text-align: center;
}
.footer-bottom > p:first-child {
    color: #8a96a5;
    font-size: 0.78rem;
    letter-spacing: 0.03em;
}
.footer-meta {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 10px;
    font-size: 0.72rem;
    color: #5f6b79;
}
.footer-meta .dot { opacity: 0.5; }

/* 弹窗 */
dialog.dialog-layer {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    margin: 0;
    border: none;
    padding: 0;
    background: rgba(6, 8, 12, 0.55);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}
dialog.dialog-layer:not([open]) { display: none; }
dialog.dialog-layer::backdrop { background: transparent; }

.dialog-card {
    width: min(92vw, 400px);
    background: #1a212b;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 26px 24px;
    animation: dialogIn 0.28s ease-out;
}
@keyframes dialogIn {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to { opacity: 1; transform: none; }
}
.dialog-title {
    text-align: center;
    font-size: 1.2rem;
    color: var(--accent-soft);
    margin-bottom: 20px;
}
.dialog-list { margin: 0; }
.dialog-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed #2f3845;
}
.dialog-line dt {
    color: var(--ink-mute);
    font-size: 0.88rem;
}
.dialog-line dd {
    color: #fff;
    font-weight: 650;
    font-size: 0.92rem;
    text-align: right;
}
.dialog-total {
    border-bottom: none;
    margin-top: 4px;
}
.dialog-line .accent { color: var(--warn); }
.dialog-line .amount { font-size: 1.35rem; }
.dialog-actions {
    display: flex;
    gap: 10px;
    margin-top: 22px;
}
.dlg-btn {
    flex: 1;
    padding: 13px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 750;
    cursor: pointer;
}
.dlg-cancel {
    background: #2c3440;
    color: #c5ccd6;
}
.dlg-ok {
    background: var(--accent);
    color: #1a1200;
}

@media (max-width: 900px) {
    .content-grid { grid-template-columns: 1fr; }
    .mode-grid { grid-template-columns: 1fr 1fr; }
    .faq-wrap { grid-template-columns: 1fr; }
    .footer-main { grid-template-columns: 1fr; gap: 24px; }
    .footer-cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    body {
        background-image:
            linear-gradient(180deg, rgba(11, 14, 19, 0.9) 0%, rgba(11, 14, 19, 0.78) 50%, rgba(11, 14, 19, 0.94) 100%),
            url('../images/bj-2.jpg');
        background-attachment: scroll;
    }
    .top-strip-domain,
    .flow-steps { display: none; }
    .top-strip { flex-direction: column; align-items: flex-start; }
    .site-header { flex-wrap: wrap; gap: 12px; }
    .brand-text h1 { font-size: 1.05rem; }
    .site-nav { display: none; }
    .flow-steps {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .charge-panel,
    .mode-section,
    .help-section { padding: 22px 18px; }
    .denom-grid { grid-template-columns: 1fr 1fr; }
    .mode-grid { grid-template-columns: 1fr; }
    .mode-card img { height: 150px; }
    .site-footer { padding: 26px 18px 18px; }
    .footer-cols { grid-template-columns: 1fr 1fr; gap: 20px 14px; }
    .footer-desc { max-width: none; }
    .footer-meta { flex-direction: column; gap: 4px; }
    .footer-meta .dot { display: none; }
}