/* roulang page: index */
:root {
    --bg-900: #0F0D1A;
    --bg-800: #191630;
    --bg-700: #221E3D;
    --accent-amber: #FF6A1A;
    --accent-cyan: #21C7B8;
    --text-100: #F5F2FF;
    --text-300: #A9A1C8;
    --text-500: #6B6390;
    --line-01: rgba(255,255,255,0.08);
    --success: #2ED573;
    --radius-card: 14px;
    --radius-btn: 8px;
    --shadow-card: 0 2px 16px rgba(0,0,0,0.28);
    --shadow-hover: 0 8px 30px rgba(255,106,26,0.08);
    --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    background: var(--bg-900);
    color: var(--text-100);
    line-height: 1.75;
    font-size: 0.9375rem;
    overflow-x: hidden;
}
a { color: #FF7A2A; text-decoration: none; transition: all .3s ease; }
a:hover { color: var(--accent-cyan); text-decoration: underline; text-underline-offset: 4px; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
@media (max-width: 767px) {
    .container { padding-left: 16px; padding-right: 16px; }
}
.btn-sp-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #FF7A2A, #F44E17);
    color: #1A1206;
    font-weight: 600;
    font-size: 0.9375rem;
    border: none;
    border-radius: var(--radius-btn);
    padding: 0.8em 1.6em;
    cursor: pointer;
    transition: all .3s ease;
    text-decoration: none;
    box-shadow: 0 2px 12px rgba(255,106,26,0.18);
}
.btn-sp-primary:hover {
    background: linear-gradient(135deg, #FF8A3D, #FF5A1F);
    color: #1A1206;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,106,26,0.25);
    text-decoration: none;
}
.btn-sp-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.16);
    color: #F5F2FF;
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius-btn);
    padding: 0.75em 1.5em;
    cursor: pointer;
    transition: all .3s ease;
    text-decoration: none;
}
.btn-sp-secondary:hover {
    border-color: var(--accent-amber);
    background: rgba(255,106,26,0.08);
    color: #F5F2FF;
    text-decoration: none;
}
.section { padding: 96px 0; position: relative; }
@media (max-width: 767px) { .section { padding: 64px 0; } }
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 48px;
}
.section-title {
    font-size: clamp(1.375rem, 2.5vw, 1.875rem);
    font-weight: 700;
    color: var(--text-100);
    border-left: 4px solid var(--accent-amber);
    padding-left: 16px;
    line-height: 1.4;
    margin: 0;
}
.section-more { color: var(--text-500); font-size: 0.875rem; }
.section-more:hover { color: var(--accent-amber); }

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(13,11,22,0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s ease, background .3s ease;
}
.site-header.scrolled { border-bottom-color: var(--line-01); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}
.brand-logo:hover { text-decoration: none; }
.brand-logo svg { width: 30px; height: 30px; flex-shrink: 0; }
.brand-logo span {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-100);
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.brand-logo span i { color: var(--accent-amber); font-style: normal; }
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-item {
    display: inline-block;
    padding: 8px 16px;
    color: var(--text-300);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 6px;
    position: relative;
    text-decoration: none;
    transition: color .3s ease;
}
.nav-item::after {
    content: '';
    position: absolute;
    left: 16px; right: 16px; bottom: 2px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent-amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
}
.nav-item:hover { color: var(--text-100); text-decoration: none; }
.nav-item:hover::after { transform: scaleX(1); }
.nav-item.active { color: var(--accent-amber); }
.nav-item.active::after { transform: scaleX(1); }
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
.login-link {
    color: var(--text-300);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    padding: 6px 4px;
}
.login-link:hover { color: var(--text-100); text-decoration: none; }
.btn-sp-primary.btn-sm { padding: 0.5em 1.2em; font-size: 0.875rem; }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-100);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 4px 8px;
}
@media (max-width: 991px) {
    .main-nav, .header-actions .login-link, .header-actions .btn-sp-primary { display: none; }
    .nav-toggle { display: block; }
}
/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0; right: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(13,11,22,0.98);
    z-index: 1100;
    transition: right .4s ease;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
}
.mobile-drawer.open { right: 0; }
.drawer-close {
    position: absolute;
    top: 20px; right: 20px;
    background: none;
    border: none;
    color: var(--text-100);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 8px;
}
.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 48px;
}
.drawer-nav a {
    font-size: 1.25rem;
    color: var(--text-100);
    padding: 12px 0;
    border-bottom: 1px solid var(--line-01);
    text-decoration: none;
    line-height: 2em;
}
.drawer-nav a:hover { color: var(--accent-amber); }
.drawer-nav a.active { color: var(--accent-amber); }
.drawer-cta {
    margin-top: auto;
    width: 100%;
    text-align: center;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    background-image: linear-gradient(rgba(15,13,26,0.3), rgba(15,13,26,0.88)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(rgba(255,255,255,0.18) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.3;
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    left: 20%;
    top: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(255,106,26,0.7), transparent);
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 700px; }
.hero h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--text-100);
    line-height: 1.2;
    margin-bottom: 24px;
}
.hero-sub {
    font-size: 1.125rem;
    color: var(--text-300);
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 36px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}
.hero-note {
    font-size: 0.8rem;
    color: var(--text-500);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 12px;
}
.hero-note span { font-size: 3px; color: var(--accent-amber); }
@media (max-width: 767px) {
    .hero { padding-top: 120px; padding-bottom: 80px; }
    .hero h1 { font-size: 2rem; }
    .hero-sub { font-size: 1rem; }
}

/* ===== Live Bar ===== */
.live-bar {
    background: var(--bg-800);
    border-top: 1px solid var(--line-01);
    border-bottom: 1px solid var(--line-01);
    padding: 14px 0;
    font-size: 0.875rem;
    color: var(--text-300);
    overflow: hidden;
    white-space: nowrap;
}
.live-bar-inner {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    animation: liveScroll 30s linear infinite;
}
.live-bar-inner i { color: var(--accent-amber); margin-right: 6px; }
.live-bar-inner .live-tag {
    background: rgba(255,106,26,0.15);
    color: var(--accent-amber);
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
@keyframes liveScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== Compare Table ===== */
.compare-section { padding-top: 96px; padding-bottom: 96px; }
@media (max-width: 767px) { .compare-section { padding-top: 64px; padding-bottom: 64px; } }
.compare-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 960px;
    margin: 0 auto;
}
@media (max-width: 767px) {
    .compare-wrap { grid-template-columns: 1fr; gap: 20px; }
}
.compare-col {
    border-radius: var(--radius-card);
    padding: 32px 36px;
    background: var(--bg-800);
    border: 1px solid var(--line-01);
    box-shadow: var(--shadow-card);
}
.compare-col.vip-col {
    border-left: 2px solid var(--accent-amber);
    background: var(--bg-800);
    position: relative;
}
.vip-badge {
    position: absolute;
    top: -16px;
    left: 24px;
    background: linear-gradient(135deg, #FF7A2A, #F44E17);
    color: #1A1206;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 999px;
    letter-spacing: 0.05em;
}
.compare-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-100);
}
.compare-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--line-01);
    min-height: 56px;
    gap: 16px;
}
.compare-row:last-child { border-bottom: none; }
.compare-label { color: var(--text-500); font-size: 0.875rem; flex-shrink: 0; }
.compare-value { color: var(--text-100); font-size: 0.9375rem; text-align: right; }
.compare-col.vip-col .compare-value { color: var(--text-100); font-weight: 600; }
.compare-cta {
    margin-top: 24px;
    text-align: center;
}
.compare-cta .btn-sp-primary { width: 80%; max-width: 260px; }

/* ===== Levels ===== */
.level-section { background: var(--bg-900); }
.level-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 860px;
    margin: 0 auto;
    position: relative;
}
.level-grid::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(255,106,26,0.6), rgba(255,106,26,0.1));
    transform: translateX(-50%);
}
.level-card {
    display: flex;
    align-items: center;
    gap: 28px;
    background: var(--bg-800);
    border: 1px solid var(--line-01);
    border-radius: var(--radius-card);
    padding: 28px 32px;
    position: relative;
    z-index: 2;
    transition: all .4s ease;
    box-shadow: var(--shadow-card);
}
.level-card:hover { background: var(--bg-700); box-shadow: var(--shadow-hover); }
.level-badge {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 800;
    color: #1A1206;
    background: linear-gradient(135deg, #FF7A2A, #F44E17);
    flex-shrink: 0;
}
.level-card:nth-child(2) .level-badge { background: linear-gradient(135deg, #C0C0C0, #8A8A8A); color: #1A1206; }
.level-card:nth-child(3) .level-badge { background: linear-gradient(135deg, #FFD700, #E6A800); color: #1A1206; }
.level-card:nth-child(4) .level-badge { background: linear-gradient(135deg, #2B2B2B, #111); color: #FFD700; border: 2px solid #FFD700; }
.level-info { flex: 1; }
.level-info h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; color: var(--text-100); }
.level-info ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding: 0;
    margin: 0;
}
.level-info ul li {
    font-size: 0.8125rem;
    color: var(--text-300);
    position: relative;
    padding-left: 16px;
}
.level-info ul li::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent-cyan);
}
.level-status {
    font-size: 0.8125rem;
    color: var(--text-500);
    padding: 6px 16px;
    border: 1px solid var(--line-01);
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
}
.level-status.current {
    color: var(--accent-amber);
    border-color: rgba(255,106,26,0.4);
    background: rgba(255,106,26,0.08);
}
@media (max-width: 767px) {
    .level-grid::before { left: 16px; }
    .level-card { flex-direction: column; align-items: flex-start; text-align: left; padding: 24px; }
    .level-info ul { flex-direction: column; gap: 6px; }
    .level-status { margin-top: 8px; }
}

/* ===== Preview ===== */
.preview-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}
@media (max-width: 991px) {
    .preview-grid { grid-template-columns: 1fr; }
}
.preview-main {
    grid-row: span 2;
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--line-01);
    box-shadow: var(--shadow-card);
    min-height: 420px;
    background: var(--bg-800);
}
.preview-main img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
.preview-main .preview-body {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 32px;
    background: linear-gradient(180deg, transparent, rgba(13,11,22,0.92));
}
.preview-tag {
    display: inline-block;
    background: rgba(255,106,26,0.9);
    color: #1A1206;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 3px 12px;
    border-radius: 999px;
    margin-bottom: 10px;
}
.preview-main h3 { font-size: 1.5rem; font-weight: 700; color: var(--text-100); margin-bottom: 8px; }
.preview-main p { font-size: 0.9375rem; color: var(--text-300); margin: 0; }
.preview-side {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    border: 1px solid var(--line-01);
    box-shadow: var(--shadow-card);
    min-height: 200px;
    background: var(--bg-800);
    transition: all .4s ease;
}
.preview-side img { width: 100%; height: 100%; object-fit: cover; min-height: 200px; filter: grayscale(40%); }
.preview-side .preview-body {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 16px 20px;
    background: linear-gradient(180deg, transparent, rgba(13,11,22,0.9));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.preview-side h3 { font-size: 0.9375rem; font-weight: 600; color: var(--text-100); margin: 0; line-height: 1.4; }
.preview-side .lock-icon { color: var(--accent-amber); font-size: 1rem; flex-shrink: 0; }
.vip-tiny {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(0,0,0,0.6);
    color: var(--accent-amber);
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255,106,26,0.4);
}
.preview-side.locked::after {
    content: '开通解锁';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(15,13,26,0.55);
    color: var(--text-100);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: 8px;
    opacity: 0;
    transition: opacity .4s ease;
    border: 1px solid rgba(255,255,255,0.15);
}
.preview-side.locked:hover::after { opacity: 1; }
.preview-side.locked img {
    filter: grayscale(60%) brightness(0.6);
}
@media (max-width: 991px) {
    .preview-main { grid-row: span 1; min-height: 320px; }
    .preview-main img { min-height: 320px; }
}

/* ===== News ===== */
.news-section { background: var(--bg-900); }
.news-list { max-width: 900px; margin: 0 auto; }
.news-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px;
    border-bottom: 1px solid var(--line-01);
    border-radius: 10px;
    transition: background .3s ease;
    text-decoration: none;
}
.news-row:last-child { border-bottom: none; }
.news-row:hover { background: var(--bg-800); text-decoration: none; }
.news-thumb {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-700);
    display: flex;
    align-items: center;
    justify-content: center;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; min-width: 0; }
.news-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-100);
    margin: 0 0 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color .3s;
}
.news-row:hover .news-body h3 { color: var(--accent-amber); }
.news-body p {
    font-size: 0.8125rem;
    color: var(--text-500);
    margin: 0 0 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-cat {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    background: rgba(33,199,184,0.1);
    padding: 2px 10px;
    border-radius: 999px;
}
.news-date {
    font-size: 0.8125rem;
    color: var(--text-500);
    white-space: nowrap;
    flex-shrink: 0;
}
.news-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-500);
    font-size: 0.9375rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.news-empty i { font-size: 2rem; color: var(--text-500); opacity: 0.5; }
@media (max-width: 767px) {
    .news-row { flex-wrap: wrap; }
    .news-thumb { width: 64px; height: 64px; }
    .news-date { width: 100%; padding-left: 84px; }
}

/* ===== FAQ ===== */
.faq-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 1100px;
    margin: 0 auto;
}
@media (max-width: 767px) { .faq-wrap { grid-template-columns: 1fr; } }
.faq-item {
    background: var(--bg-800);
    border: 1px solid var(--line-01);
    border-radius: var(--radius-card);
    padding: 0;
    transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item.open { border-color: rgba(255,106,26,0.3); box-shadow: var(--shadow-hover); }
.faq-q {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-100);
    user-select: none;
    transition: color .3s;
}
.faq-q:hover { color: var(--accent-amber); }
.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--text-500);
    transition: transform .35s ease, color .35s ease;
    flex-shrink: 0;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    color: var(--accent-amber);
}
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .4s ease;
    font-size: 0.875rem;
    color: var(--text-300);
    line-height: 1.7;
    padding: 0 20px;
}
.faq-item.open .faq-a {
    max-height: 320px;
    padding: 0 20px 16px;
}

/* ===== CTA ===== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-900), #0A0810);
    position: relative;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 40px;
    border: 1px solid rgba(255,106,26,0.15);
    border-radius: 20px;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(255,106,26,0.03) 0%, transparent 40%);
}
.cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--text-100);
    margin-bottom: 16px;
}
.cta-inner p { color: var(--text-300); font-size: 1rem; margin-bottom: 32px; }
.cta-note {
    margin-top: 20px;
    font-size: 0.75rem;
    color: var(--text-500);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.cta-note i { color: var(--success); margin-right: 4px; }

/* ===== Footer ===== */
.site-footer {
    background: #0A0810;
    border-top: 1px solid rgba(255,106,26,0.15);
    padding: 64px 0 32px;
    position: relative;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: -1px; left: 20%; right: 20%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,106,26,0.4), transparent);
}
.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
@media (max-width: 767px) {
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}
.footer-brand .brand-logo { margin-bottom: 12px; }
.footer-brand .brand-logo span { color: var(--text-100); }
.footer-sub { font-size: 0.8125rem; color: var(--text-500); line-height: 1.7; }
.footer-block h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-100);
    margin-bottom: 16px;
}
.footer-block ul { list-style: none; padding: 0; margin: 0; }
.footer-block ul li { margin-bottom: 8px; }
.footer-block ul a {
    color: var(--text-500);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color .3s;
}
.footer-block ul a:hover { color: var(--accent-amber); }
.footer-copy {
    border-top: 1px solid var(--line-01);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-500);
}

/* ===== Utility ===== */
.text-amber { color: var(--accent-amber); }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-32 { margin-bottom: 32px; }

@media (max-width: 520px) {
    .hero-actions .btn-sp-primary, .hero-actions .btn-sp-secondary {
        width: 100%;
    }
    .compare-col { padding: 24px 20px; }
    .compare-row { flex-direction: column; align-items: flex-start; gap: 4px; }
    .compare-value { text-align: left; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --bg-900: #0F0D1A;
            --bg-800: #191630;
            --bg-700: #221E3D;
            --accent-amber: #FF6A1A;
            --accent-cyan: #21C7B8;
            --text-100: #F5F2FF;
            --text-300: #A9A1C8;
            --text-500: #6B6390;
            --line-01: rgba(255, 255, 255, 0.08);
            --success: #2ED573;
            --radius-card: 14px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 8px 30px rgba(255, 106, 26, 0.10);
            --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg-900);
            color: var(--text-100);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #FF7A2A;
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 按钮 ===== */
        .btn-sp-primary {
            display: inline-block;
            background: linear-gradient(135deg, #FF7A2A, #F44E17);
            color: #1A1206;
            font-weight: 600;
            font-size: 0.9375rem;
            border: none;
            border-radius: var(--radius-btn);
            padding: 0.8em 1.6em;
            cursor: pointer;
            text-align: center;
            transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
        }
        .btn-sp-primary:hover {
            color: #1A1206;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 26, 0.25);
            filter: brightness(1.08);
        }
        .btn-sp-primary.btn-sm {
            padding: 0.45em 1.1em;
            font-size: 0.875rem;
        }
        .btn-sp-primary.btn-lg {
            padding: 1em 2.2em;
            font-size: 1rem;
        }
        .btn-sp-primary.btn-block {
            display: block;
            width: 100%;
        }
        .btn-sp-secondary {
            display: inline-block;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: #F5F2FF;
            font-weight: 600;
            font-size: 0.9375rem;
            border-radius: var(--radius-btn);
            padding: 0.8em 1.6em;
            cursor: pointer;
            text-align: center;
            transition: border-color .2s ease, background .2s ease, color .2s ease, transform .2s ease;
        }
        .btn-sp-secondary:hover {
            border-color: var(--accent-amber);
            background: rgba(255, 106, 26, 0.08);
            color: #F5F2FF;
            transform: translateY(-2px);
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(13, 11, 22, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: border-color .3s ease;
        }
        .site-header.scrolled {
            border-bottom-color: var(--line-01);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-100) !important;
        }
        .brand-logo svg {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
        }
        .brand-logo span {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.02em;
        }
        .brand-logo span i {
            font-style: normal;
            color: var(--accent-amber);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-item {
            position: relative;
            color: var(--text-300);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 6px 2px;
            transition: color .2s ease;
        }
        .nav-item::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-amber);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform .25s ease;
        }
        .nav-item:hover {
            color: var(--text-100);
        }
        .nav-item:hover::after {
            transform: scaleX(1);
        }
        .nav-item.active {
            color: var(--accent-amber);
        }
        .nav-item.active::after {
            transform: scaleX(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .login-link {
            color: var(--text-300);
            font-size: 0.9375rem;
            transition: color .2s ease;
        }
        .login-link:hover {
            color: var(--accent-cyan);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-100);
            font-size: 1.25rem;
            cursor: pointer;
            padding: 6px;
        }

        /* Mobile Drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--bg-900);
            z-index: 1100;
            display: flex;
            flex-direction: column;
            padding: 20px 24px;
            transform: translateX(100%);
            transition: transform .35s ease;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 48px;
        }
        .drawer-close {
            background: none;
            border: none;
            color: var(--text-100);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .drawer-nav a {
            color: var(--text-100);
            font-size: 1.25rem;
            font-weight: 600;
            padding: 0.75em 0;
            border-bottom: 1px solid var(--line-01);
            transition: color .2s ease, padding-left .2s ease;
        }
        .drawer-nav a:hover {
            color: var(--accent-amber);
            padding-left: 8px;
        }
        .drawer-nav a.active {
            color: var(--accent-amber);
        }
        .drawer-footer {
            margin-top: auto;
            padding-bottom: 40px;
        }

        /* ===== 区块标题装饰 ===== */
        .section-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 40px;
        }
        .section-head .section-bar {
            width: 4px;
            height: 22px;
            background: var(--accent-amber);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-head h2 {
            font-size: clamp(1.375rem, 2.5vw, 1.875rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin: 0;
            color: var(--text-100);
        }
        .section-head .section-more {
            margin-left: auto;
            font-size: 0.875rem;
            color: var(--text-500);
            transition: color .2s ease;
        }
        .section-head .section-more:hover {
            color: var(--accent-amber);
        }

        /* ===== Category1 Hero ===== */
        .cat1-hero {
            position: relative;
            padding: 160px 0 120px;
            overflow: hidden;
            background-color: var(--bg-900);
        }
        .cat1-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }
        .cat1-hero .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(15, 13, 26, 0.55) 0%, rgba(15, 13, 26, 0.7) 50%, var(--bg-900) 100%);
        }
        .cat1-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .cat1-hero h1 {
            font-size: clamp(2.25rem, 5vw, 3.25rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
        }
        .cat1-hero .hero-sub {
            font-size: 1.125rem;
            color: var(--text-300);
            line-height: 1.6;
            max-width: 560px;
            margin-bottom: 36px;
        }
        .cat1-hero .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .cat1-hero .hero-meta {
            font-size: 0.8rem;
            color: var(--text-500);
            letter-spacing: 0.04em;
        }

        /* ===== Category1 Intro ===== */
        .cat1-intro {
            padding: 96px 0;
            background: var(--bg-900);
            position: relative;
        }
        .cat1-intro .intro-card {
            background: var(--bg-800);
            border: 1px solid var(--line-01);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease, border-color .3s ease, transform .3s ease;
        }
        .cat1-intro .intro-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 106, 26, 0.35);
            transform: translateY(-4px);
        }
        .cat1-intro .intro-img {
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 20px;
            height: 200px;
            background: var(--bg-700);
        }
        .cat1-intro .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .cat1-intro .intro-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-100);
            margin-bottom: 12px;
        }
        .cat1-intro .intro-card p {
            font-size: 0.9375rem;
            color: var(--text-300);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== Category1 Article Cards ===== */
        .cat1-cards {
            padding: 96px 0;
            background: var(--bg-800);
            border-top: 1px solid var(--line-01);
            border-bottom: 1px solid var(--line-01);
        }
        .cat1-cards .article-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cat1-cards .article-item {
            display: flex;
            background: var(--bg-800);
            border: 1px solid var(--line-01);
            border-radius: var(--radius-card);
            padding: 20px;
            gap: 20px;
            transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
        }
        .cat1-cards .article-item:hover {
            border-color: rgba(255, 106, 26, 0.35);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .cat1-cards .article-cover {
            flex-shrink: 0;
            width: 160px;
            height: 110px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--bg-700);
        }
        .cat1-cards .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform .4s ease;
        }
        .cat1-cards .article-item:hover .article-cover img {
            transform: scale(1.04);
        }
        .cat1-cards .article-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .cat1-cards .article-tag {
            display: inline-block;
            background: rgba(255, 106, 26, 0.12);
            color: var(--accent-amber);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 999px;
            padding: 2px 12px;
            margin-bottom: 8px;
            width: fit-content;
        }
        .cat1-cards .article-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-100);
            margin-bottom: 6px;
            line-height: 1.4;
            transition: color .2s ease;
        }
        .cat1-cards .article-body h3:hover {
            color: var(--accent-amber);
        }
        .cat1-cards .article-body p {
            font-size: 0.875rem;
            color: var(--text-300);
            line-height: 1.6;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cat1-cards .article-date {
            font-size: 0.8125rem;
            color: var(--text-500);
        }
        .cat1-cards .article-date i {
            margin-right: 4px;
        }

        /* ===== Category1 Center CTA ===== */
        .cat1-cta {
            padding: 96px 0;
            text-align: center;
            background: var(--bg-900);
            position: relative;
            overflow: hidden;
        }
        .cat1-cta::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 0%, transparent 40%, rgba(255, 106, 26, 0.08) 60%, transparent 100%);
            pointer-events: none;
        }
        .cat1-cta .container {
            position: relative;
            z-index: 2;
            max-width: 640px;
        }
        .cat1-cta h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--text-100);
            margin-bottom: 16px;
        }
        .cat1-cta p {
            font-size: 1rem;
            color: var(--text-300);
            margin-bottom: 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A0810;
            border-top: 1px solid rgba(255, 106, 26, 0.2);
            padding: 64px 0 32px;
        }
        .site-footer .footer-inner {
            display: grid;
            grid-template-columns: 1.3fr 0.85fr 0.85fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .site-footer .brand-logo {
            margin-bottom: 12px;
        }
        .site-footer .footer-sub {
            color: var(--text-500);
            font-size: 0.8125rem;
            line-height: 1.6;
            margin: 0;
        }
        .site-footer .footer-block h4 {
            color: var(--text-100);
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .site-footer .footer-block ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-block ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-block ul a {
            color: var(--text-300);
            font-size: 0.875rem;
            transition: color .2s ease;
        }
        .site-footer .footer-block ul a:hover {
            color: var(--accent-amber);
        }
        .site-footer .footer-copy {
            border-top: 1px solid var(--line-01);
            padding-top: 24px;
            text-align: center;
            color: var(--text-500);
            font-size: 0.8125rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }
            .header-actions .login-link {
                display: none;
            }
            .header-actions .btn-sp-primary {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .cat1-intro {
                padding: 72px 0;
            }
            .cat1-cards {
                padding: 72px 0;
            }
            .cat1-cta {
                padding: 72px 0;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 767px) {
            .cat1-hero {
                padding: 120px 0 80px;
            }
            .cat1-hero h1 {
                font-size: 1.75rem;
                line-height: 1.3;
            }
            .cat1-hero .hero-sub {
                font-size: 1rem;
            }
            .cat1-hero .hero-btns {
                flex-direction: column;
                gap: 12px;
            }
            .cat1-hero .hero-btns a {
                width: 100%;
                text-align: center;
            }
            .cat1-intro {
                padding: 56px 0;
            }
            .cat1-cards {
                padding: 56px 0;
            }
            .cat1-cards .article-item {
                flex-direction: column;
                gap: 12px;
            }
            .cat1-cards .article-cover {
                width: 100%;
                height: 160px;
            }
            .cat1-cta {
                padding: 56px 0 72px;
            }
            .cat1-cta .btn-sp-primary {
                display: block;
                width: 100%;
            }
            .site-footer {
                padding: 48px 0 24px;
            }
            .section-head {
                margin-bottom: 28px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
            }
            .cat1-hero {
                padding: 100px 0 64px;
            }
            .cat1-hero h1 {
                font-size: 1.5rem;
            }
            .cat1-intro .intro-card {
                padding: 16px;
            }
            .cat1-intro .intro-img {
                height: 150px;
            }
            .cat1-cards .article-item {
                padding: 16px;
            }
            .cat1-cards .article-body h3 {
                font-size: 0.9375rem;
            }
            .cat1-cards .article-body p {
                font-size: 0.8125rem;
            }
            .cat1-cta h2 {
                font-size: 1.375rem;
            }
        }

/* roulang page: article */
/* ============ 星空体育 · 设计系统 ============ */
:root {
  --bg-900: #0F0D1A;
  --bg-800: #191630;
  --bg-700: #221E3D;
  --accent-amber: #FF6A1A;
  --accent-cyan: #21C7B8;
  --text-100: #F5F2FF;
  --text-300: #A9A1C8;
  --text-500: #6B6390;
  --line-01: rgba(255,255,255,0.08);
  --success: #2ED573;
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --header-h: 72px;
  --shadow-card: 0 2px 16px rgba(0,0,0,0.28);
  --shadow-glow: 0 8px 30px rgba(255,106,26,0.08);
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background-color: var(--bg-900);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(255,255,255,0.025) 0, rgba(255,255,255,0.025) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 220px 220px, 320px 320px;
  color: var(--text-100);
  line-height: 1.75;
  font-size: 0.9375rem;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: #FF7A2A; text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--accent-cyan); text-decoration: underline; text-underline-offset: 4px; }
button { background: none; border: none; color: inherit; font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }
ul, ol { list-style-position: inside; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

/* ============ 按钮 ============ */
.btn-sp-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #FF7A2A, #F44E17);
  color: #1A1206;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.8em 1.6em;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  line-height: 1.2;
  box-shadow: 0 4px 14px rgba(255,106,26,0.18);
}
.btn-sp-primary:hover {
  background: linear-gradient(135deg, #FF8C3F, #FF5A10);
  color: #1A1206;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,106,26,0.25);
}
.btn-sp-primary:focus-visible {
  outline: 3px solid rgba(255,106,26,0.4);
  outline-offset: 2px;
}
.btn-sp-primary.btn-sm { padding: 0.55em 1.1em; font-size: 0.875rem; }
.btn-sp-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.16);
  color: var(--text-100);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.8em 1.6em;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  line-height: 1.2;
}
.btn-sp-secondary:hover {
  border-color: var(--accent-amber);
  background: rgba(255,106,26,0.08);
  color: var(--text-100);
  text-decoration: none;
  transform: translateY(-2px);
}

/* ============ 导航 Header ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13,11,22,0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: var(--header-h);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 1px 0 0 var(--line-01), 0 8px 30px rgba(0,0,0,0.18); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 28px; }
.brand-logo { display: flex; align-items: center; gap: 10px; color: var(--text-100); font-weight: 700; font-size: 1.25rem; letter-spacing: 0.01em; flex-shrink: 0; }
.brand-logo:hover { color: var(--text-100); text-decoration: none; }
.brand-logo svg { width: 30px; height: 30px; flex-shrink: 0; }
.brand-logo span i { font-style: normal; color: var(--accent-amber); }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav .nav-item { color: var(--text-300); font-size: 0.9375rem; font-weight: 500; position: relative; padding: 8px 0; text-decoration: none; white-space: nowrap; transition: color 0.3s ease; }
.main-nav .nav-item::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--accent-amber); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease; }
.main-nav .nav-item:hover { color: var(--text-100); text-decoration: none; }
.main-nav .nav-item:hover::after, .main-nav .nav-item.active::after { transform: scaleX(1); }
.main-nav .nav-item.active { color: var(--accent-amber); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.login-link { color: var(--text-300); font-size: 0.9375rem; transition: color 0.3s; }
.login-link:hover { color: var(--accent-amber); text-decoration: none; }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 8px; background: var(--bg-800); color: var(--text-100); font-size: 1.125rem; align-items: center; justify-content: center; border: 1px solid var(--line-01); transition: border-color 0.3s; }
.nav-toggle:hover { border-color: var(--accent-amber); }

/* ============ 文章 Banner ============ */
.article-banner {
  position: relative;
  padding: 140px 0 56px;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-bottom: 1px solid var(--line-01);
  overflow: hidden;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,13,26,0.86) 0%, rgba(15,13,26,0.94) 68%, var(--bg-900) 100%);
  z-index: 0;
}
.article-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  z-index: 0;
  pointer-events: none;
}
.article-banner .container { position: relative; z-index: 1; }
.ambient-light {
  position: absolute;
  left: 20%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(255,106,26,0.45), transparent);
  z-index: 0;
  pointer-events: none;
}
.article-h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text-100);
  margin-bottom: 18px;
  max-width: 860px;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.8125rem;
  color: var(--text-500);
}
.breadcrumb-nav a { color: var(--text-300); text-decoration: none; transition: color 0.3s; }
.breadcrumb-nav a:hover { color: var(--accent-amber); }
.breadcrumb-sep { color: var(--text-500); font-size: 0.75rem; }
.breadcrumb-cat { color: var(--text-300); }
.breadcrumb-current { color: var(--text-500); max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; color: var(--text-500); font-size: 0.8125rem; }
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { color: var(--accent-amber); }
.meta-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 14px;
  background: rgba(255,106,26,0.1);
  border: 1px solid rgba(255,106,26,0.3);
  color: var(--accent-amber);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ============ 正文阅读区 ============ */
.article-content-section { padding: 56px 0 24px; background: var(--bg-900); }
.article-content { max-width: 720px; margin: 0 auto; color: var(--text-300); font-size: 0.9375rem; }
.article-content p { margin-bottom: 1.5em; line-height: 1.8; color: var(--text-300); }
.article-content h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-100);
  margin: 2em 0 1em;
  padding-left: 14px;
  border-left: 4px solid var(--accent-amber);
  border-radius: 0 4px 4px 0;
  line-height: 1.4;
}
.article-content h3 { font-size: 1.125rem; font-weight: 600; color: var(--text-100); margin: 1.75em 0 0.75em; line-height: 1.5; }
.article-content h4 { font-size: 1rem; font-weight: 600; color: var(--text-100); margin: 1.5em 0 0.6em; }
.article-content ul, .article-content ol { margin: 1.5em 0; padding-left: 1.5em; }
.article-content li { margin-bottom: 0.55em; line-height: 1.8; }
.article-content li::marker { color: var(--accent-amber); }
.article-content img { max-width: 100%; border-radius: var(--radius-lg); margin: 2em auto; box-shadow: var(--shadow-card); border: 1px solid var(--line-01); }
.article-content blockquote {
  margin: 2em 0;
  padding: 1.25em 1.5em;
  background: var(--bg-800);
  border-left: 3px solid var(--accent-amber);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-100);
  font-size: 0.9375rem;
  line-height: 1.7;
}
.article-content blockquote p { margin-bottom: 0; color: var(--text-100); }
.article-content a { color: #FF7A2A; text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--accent-cyan); }
.article-content table { width: 100%; margin: 2em 0; border-collapse: collapse; background: var(--bg-800); border-radius: var(--radius-md); overflow: hidden; }
.article-content table th { color: var(--text-100); font-weight: 600; background: var(--bg-700); padding: 12px 14px; text-align: left; font-size: 0.875rem; }
.article-content table td { padding: 12px 14px; border-bottom: 1px solid var(--line-01); color: var(--text-300); font-size: 0.875rem; }
.article-content table tr:last-child td { border-bottom: none; }
.article-content code { background: var(--bg-700); color: var(--accent-cyan); padding: 2px 8px; border-radius: 6px; font-size: 0.85em; }
.article-content hr { border: none; border-top: 1px solid var(--line-01); margin: 2.5em 0; }

/* ============ 内容未找到 ============ */
.article-not-found { text-align: center; padding: 80px 20px; }
.not-found-icon { width: 76px; height: 76px; border-radius: 50%; background: var(--bg-800); border: 1px solid var(--line-01); display: flex; align-items: center; justify-content: center; margin: 0 auto 26px; font-size: 1.75rem; color: var(--accent-amber); box-shadow: var(--shadow-card); }
.article-not-found h2 { font-size: 1.375rem; font-weight: 700; color: var(--text-100); margin-bottom: 14px; }
.article-not-found p { color: var(--text-500); max-width: 420px; margin: 0 auto 30px; line-height: 1.7; }

/* ============ 相关推荐 ============ */
.related-section {
  padding: 80px 0 88px;
  border-top: 1px solid var(--line-01);
  background: linear-gradient(180deg, var(--bg-900) 0%, rgba(25,22,48,0.35) 50%, var(--bg-900) 100%);
}
.section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
.section-bar { width: 4px; height: 24px; background: var(--accent-amber); border-radius: 2px; flex-shrink: 0; }
.section-head h2 { font-size: clamp(1.375rem, 2.5vw, 1.875rem); font-weight: 700; color: var(--text-100); margin: 0; letter-spacing: -0.01em; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.related-card {
  display: flex;
  gap: 16px;
  background: var(--bg-800);
  border: 1px solid var(--line-01);
  border-radius: var(--radius-lg);
  padding: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
}
.related-card:hover {
  text-decoration: none;
  box-shadow: var(--shadow-glow);
  border-color: rgba(255,106,26,0.4);
  transform: translateY(-3px);
}
.related-thumb { width: 140px; height: 90px; border-radius: 10px; overflow: hidden; flex-shrink: 0; background: var(--bg-700); }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-info { display: flex; flex-direction: column; justify-content: space-between; padding: 4px 0; min-width: 0; }
.related-info h3 { font-size: 0.9375rem; font-weight: 600; color: var(--text-100); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color 0.3s; margin: 0; }
.related-card:hover .related-info h3 { color: var(--accent-amber); }
.related-date { font-size: 0.8125rem; color: var(--text-500); display: inline-flex; align-items: center; gap: 6px; }
.related-date i { color: var(--accent-amber); font-size: 0.75rem; }

/* ============ 返回按钮 ============ */
.article-return { text-align: center; margin-top: 52px; }
.btn-return-category {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--bg-800);
  border: 1px solid var(--line-01);
  border-radius: var(--radius-lg);
  color: var(--text-100);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
}
.btn-return-category:hover {
  background: var(--bg-700);
  border-color: rgba(255,106,26,0.4);
  color: var(--accent-amber);
  text-decoration: none;
  transform: translateX(-4px);
}
.btn-return-category i { transition: transform 0.3s ease; }
.btn-return-category:hover i { transform: translateX(-4px); }

/* ============ 页脚 ============ */
.site-footer { background: #0A0810; border-top: 1px solid rgba(255,106,26,0.15); padding: 64px 0 0; position: relative; }
.site-footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,106,26,0.25), transparent); }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid var(--line-01); }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-sub { color: var(--text-500); font-size: 0.8125rem; line-height: 1.7; max-width: 320px; }
.footer-block h4 { color: var(--text-100); font-size: 0.9375rem; font-weight: 600; margin-bottom: 20px; }
.footer-block ul { list-style: none; padding: 0; margin: 0; }
.footer-block ul li { margin-bottom: 12px; }
.footer-block ul li a { color: var(--text-500); font-size: 0.875rem; text-decoration: none; transition: color 0.3s; }
.footer-block ul li a:hover { color: var(--accent-amber); }
.footer-copy { text-align: center; padding: 26px 0; color: var(--text-500); font-size: 0.8125rem; }

/* ============ 移动端菜单 ============ */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  backdrop-filter: blur(4px);
}
.menu-overlay.active { opacity: 1; visibility: visible; }
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 340px;
  background: var(--bg-900);
  z-index: 2000;
  padding: 72px 32px 40px;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  border-left: 1px solid var(--line-01);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-close { position: absolute; top: 20px; right: 20px; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-800); color: var(--text-100); font-size: 1.125rem; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line-01); transition: all 0.3s; }
.mobile-close:hover { border-color: var(--accent-amber); color: var(--accent-amber); }
.mobile-nav { display: flex; flex-direction: column; }
.mobile-nav .nav-item { color: var(--text-300); font-size: 1.25rem; font-weight: 500; padding: 16px 0; border-bottom: 1px solid var(--line-01); text-decoration: none; transition: color 0.3s; }
.mobile-nav .nav-item:hover, .mobile-nav .nav-item.active { color: var(--accent-amber); text-decoration: none; }
.mobile-actions { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; }
.mobile-actions .btn-sp-primary { width: 100%; }
.mobile-actions .login-link { text-align: center; color: var(--text-300); font-size: 0.9375rem; }
.mobile-actions .login-link:hover { color: var(--accent-amber); text-decoration: none; }

/* ============ 响应式 ============ */
@media (max-width: 991px) {
  .main-nav { display: none; }
  .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 767px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .article-banner { padding: 120px 0 40px; }
  .article-h1 { font-size: clamp(1.4rem, 4vw, 1.75rem); }
  .article-meta { gap: 12px; }
  .meta-cat-badge { order: -1; width: 100%; margin-bottom: 4px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-thumb { width: 118px; height: 82px; }
  .article-content-section { padding: 40px 0 16px; }
  .related-section { padding: 56px 0 64px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .related-thumb { width: 96px; height: 70px; }
  .related-card { padding: 12px; gap: 12px; }
  .related-info h3 { font-size: 0.875rem; }
  .article-banner { padding-top: 110px; }
  .ambient-light { left: 12%; }
  .btn-return-category { width: 100%; }
}
@media (max-width: 420px) {
  .related-thumb { width: 84px; height: 62px; }
  .related-date { font-size: 0.75rem; }
}

/* roulang page: category2 */
:root {
            --bg-900: #0F0D1A;
            --bg-800: #191630;
            --bg-700: #221E3D;
            --accent-amber: #FF6A1A;
            --accent-cyan: #21C7B8;
            --text-100: #F5F2FF;
            --text-300: #A9A1C8;
            --text-500: #6B6390;
            --line-01: rgba(255, 255, 255, 0.08);
            --success: #2ED573;
            --radius-card: 14px;
            --radius-btn: 8px;
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.28);
            --shadow-card-hover: 0 8px 30px rgba(255, 106, 26, 0.08);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-900);
            color: var(--text-100);
            line-height: 1.75;
            font-size: 0.9375rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #FF7A2A;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            border: none;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 11, 22, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            border-bottom-color: var(--line-01);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none !important;
        }
        .brand-logo svg {
            width: 34px;
            height: 34px;
            flex-shrink: 0;
        }
        .brand-logo span {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-100);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo span i {
            font-style: normal;
            color: var(--accent-amber);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-item {
            position: relative;
            color: var(--text-300);
            font-size: 0.9375rem;
            font-weight: 500;
            text-decoration: none;
            padding: 8px 2px;
            transition: color 0.2s ease;
        }
        .nav-item::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-amber);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }
        .nav-item:hover {
            color: var(--text-100);
            text-decoration: none;
        }
        .nav-item:hover::after,
        .nav-item.active::after {
            transform: scaleX(1);
        }
        .nav-item.active {
            color: var(--accent-amber);
            text-decoration: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .login-link {
            color: var(--text-300);
            font-size: 0.875rem;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .login-link:hover {
            color: var(--text-100);
            text-decoration: none;
        }
        .btn-sp-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #FF7A2A, #F44E17);
            color: #1A1206;
            font-weight: 600;
            font-size: 0.9375rem;
            border-radius: 8px;
            padding: 0.8em 1.6em;
            border: none;
            text-decoration: none !important;
            transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
        }
        .btn-sp-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 26, 0.25);
            color: #1A1206;
        }
        .btn-sp-primary.btn-sm {
            padding: 0.55em 1.2em;
            font-size: 0.875rem;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-100);
            font-size: 1.25rem;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s ease;
        }
        .nav-toggle:hover {
            background: var(--bg-700);
        }
        @media (max-width: 991.98px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: min(320px, 86vw);
                background: #100D1C;
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 100px 32px 32px;
                gap: 0;
                transform: translateX(100%);
                transition: transform 0.35s ease;
                box-shadow: -16px 0 40px rgba(0, 0, 0, 0.45);
                overflow-y: auto;
                z-index: 1060;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .nav-item {
                width: 100%;
                font-size: 1.25rem;
                line-height: 2em;
                padding: 8px 0;
                border-bottom: 1px solid var(--line-01);
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-actions {
                gap: 10px;
            }
            .header-actions .login-link {
                display: none;
            }
        }
        @media (max-width: 575.98px) {
            .header-inner {
                height: 64px;
            }
            .brand-logo svg {
                width: 28px;
                height: 28px;
            }
            .brand-logo span {
                font-size: 1.125rem;
            }
            .header-actions .btn-sp-primary {
                padding: 0.5em 0.9em;
                font-size: 0.8125rem;
            }
        }
        .nav-drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(4px);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            z-index: 1055;
        }
        .nav-drawer-mask.show {
            opacity: 1;
            visibility: visible;
        }
        .drawer-close {
            position: absolute;
            top: 18px;
            right: 20px;
            background: var(--bg-700);
            color: var(--text-100);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: background 0.2s ease;
        }
        .drawer-close:hover {
            background: var(--accent-amber);
            color: #1A1206;
        }
        .drawer-cta {
            margin-top: auto;
            width: 100%;
        }

        /* Hero 横幅 */
        .member-hero {
            position: relative;
            padding: 160px 0 90px;
            background-color: var(--bg-900);
            background-image: linear-gradient(rgba(15, 13, 26, 0.55), rgba(15, 13, 26, 0.82)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .member-hero .star-dots {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px);
            background-size: 22px 22px;
            opacity: 0.4;
            pointer-events: none;
        }
        .member-hero .hero-light {
            position: absolute;
            top: 0;
            left: 12%;
            width: 1px;
            height: 100%;
            background: linear-gradient(180deg, transparent, rgba(255, 106, 26, 0.6), transparent);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 106, 26, 0.12);
            border: 1px solid rgba(255, 106, 26, 0.35);
            color: #FF8A50;
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 22px;
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .member-hero h1 {
            font-size: clamp(2.25rem, 4.5vw, 3.25rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-100);
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .member-hero .hero-sub {
            color: var(--text-300);
            font-size: 1.125rem;
            line-height: 1.75;
            max-width: 460px;
            margin-bottom: 12px;
        }
        .hero-meta-line {
            color: var(--text-500);
            font-size: 0.8rem;
            margin-top: 30px;
            letter-spacing: 0.05em;
        }
        .live-status {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(25, 22, 48, 0.75);
            border: 1px solid var(--line-01);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 0.8125rem;
            color: var(--text-300);
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .live-dot {
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 0 rgba(46, 213, 115, 0.5);
            animation: live-pulse 1.6s infinite;
        }
        @keyframes live-pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(46, 213, 115, 0.45);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(46, 213, 115, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(46, 213, 115, 0);
            }
        }
        .hero-img-wrap {
            position: relative;
            border-radius: 14px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--line-01);
        }
        .hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .hero-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 13, 26, 0.72));
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }
        .hero-img-overlay .tag {
            background: rgba(255, 106, 26, 0.88);
            color: #1A1206;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
        }
        @media (max-width: 991.98px) {
            .member-hero {
                padding: 130px 0 60px;
            }
            .hero-img-wrap {
                margin-top: 40px;
            }
        }

        /* 通用区块 */
        .section-block {
            padding: 96px 0;
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 64px 0;
            }
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--accent-amber);
            font-size: 0.8125rem;
            font-weight: 700;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            position: relative;
            padding-left: 16px;
            font-size: clamp(1.375rem, 2.5vw, 1.875rem);
            font-weight: 700;
            color: var(--text-100);
            margin-bottom: 18px;
            line-height: 1.35;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.15em;
            bottom: 0.15em;
            width: 4px;
            background: var(--accent-amber);
            border-radius: 4px;
        }
        .section-desc {
            color: var(--text-300);
            font-size: 0.9375rem;
            max-width: 640px;
            margin-bottom: 0;
        }
        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 44px;
            flex-wrap: wrap;
        }

        /* 权益概览卡片 */
        .benefit-card {
            background: var(--bg-800);
            border: 1px solid var(--line-01);
            border-radius: 14px;
            padding: 30px 26px;
            height: 100%;
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 106, 26, 0.4);
            transform: translateY(-4px);
        }
        .benefit-icon {
            width: 52px;
            height: 52px;
            background: rgba(255, 106, 26, 0.12);
            border: 1px solid rgba(255, 106, 26, 0.3);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-amber);
            margin-bottom: 20px;
        }
        .benefit-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-100);
            margin-bottom: 10px;
        }
        .benefit-card p {
            color: var(--text-300);
            font-size: 0.875rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 内容分段 */
        .content-split {
            padding: 40px 0;
        }
        .content-split .split-image {
            border-radius: 14px;
            overflow: hidden;
            border: 1px solid var(--line-01);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .content-split .split-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .content-split .split-info {
            padding: 16px 20px;
        }
        .content-split .split-info .tag {
            display: inline-block;
            background: rgba(33, 199, 184, 0.12);
            color: var(--accent-cyan);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .content-split .split-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-100);
            margin-bottom: 14px;
            line-height: 1.4;
        }
        .content-split .split-info p {
            color: var(--text-300);
            font-size: 0.9375rem;
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .content-split .split-info ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }
        .content-split .split-info ul li {
            position: relative;
            padding-left: 24px;
            color: var(--text-300);
            font-size: 0.875rem;
            margin-bottom: 10px;
        }
        .content-split .split-info ul li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.5em;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-amber);
            box-shadow: 0 0 8px rgba(255, 106, 26, 0.5);
        }
        @media (max-width: 767.98px) {
            .content-split .split-image img {
                height: 220px;
            }
            .content-split .split-info h3 {
                font-size: 1.25rem;
            }
        }

        /* 等级阶梯 */
        .level-wrap {
            position: relative;
        }
        .level-wrap .vertical-line {
            position: absolute;
            left: 23px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-amber), rgba(255, 106, 26, 0.15));
        }
        .level-item {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 28px;
            background: var(--bg-800);
            border: 1px solid var(--line-01);
            border-radius: 14px;
            padding: 26px 30px;
            margin-bottom: 20px;
            transition: background 0.3s ease, border-color 0.3s ease;
        }
        .level-item:hover {
            background: var(--bg-700);
            border-color: rgba(255, 106, 26, 0.3);
        }
        .level-node {
            width: 46px;
            height: 46px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--bg-900);
            border: 2px solid var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--accent-cyan);
            transition: border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
        }
        .level-item:hover .level-node {
            border-color: var(--accent-amber);
            color: var(--accent-amber);
            box-shadow: 0 0 18px rgba(255, 106, 26, 0.25);
        }
        .level-info {
            flex: 1;
            min-width: 180px;
        }
        .level-info h4 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-100);
            margin-bottom: 4px;
        }
        .level-info .level-sub {
            font-size: 0.8125rem;
            color: var(--text-500);
        }
        .level-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 22px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 2;
            min-width: 220px;
        }
        .level-list li {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            color: var(--text-300);
            white-space: nowrap;
        }
        .level-list li i {
            color: var(--accent-cyan);
            font-size: 0.7rem;
        }
        .level-state {
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-300);
            border: 1px solid var(--line-01);
            white-space: nowrap;
        }
        .level-state.current {
            background: rgba(255, 106, 26, 0.14);
            color: #FF8A50;
            border-color: rgba(255, 106, 26, 0.35);
        }
        @media (max-width: 767.98px) {
            .level-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                padding: 22px;
            }
            .level-list {
                flex-direction: column;
                gap: 8px;
            }
            .level-state {
                align-self: flex-start;
            }
        }

        /* 专属内容 */
        .exclusive-card {
            background: var(--bg-800);
            border: 1px solid var(--line-01);
            border-radius: 14px;
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            position: relative;
        }
        .exclusive-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(255, 106, 26, 0.4);
            transform: translateY(-4px);
        }
        .exclusive-card .card-img-wrap {
            position: relative;
            overflow: hidden;
        }
        .exclusive-card .card-img-wrap img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: filter 0.4s ease;
        }
        .exclusive-card.locked .card-img-wrap img {
            filter: grayscale(0.65);
        }
        .exclusive-card .card-img-wrap .vip-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 106, 26, 0.88);
            color: #1A1206;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            z-index: 2;
            letter-spacing: 0.08em;
        }
        .exclusive-card .card-img-wrap .lock-overlay {
            position: absolute;
            inset: 0;
            background: rgba(15, 13, 26, 0.55);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0.75;
            transition: opacity 0.3s ease, background 0.3s ease;
            z-index: 1;
        }
        .exclusive-card.locked:hover .card-img-wrap .lock-overlay {
            background: rgba(15, 13, 26, 0.35);
            opacity: 1;
        }
        .exclusive-card .card-img-wrap .lock-overlay span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(15, 13, 26, 0.75);
            backdrop-filter: blur(6px);
            color: var(--text-100);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.3s ease, transform 0.3s ease;
        }
        .exclusive-card.locked:hover .card-img-wrap .lock-overlay span {
            opacity: 1;
            transform: translateY(0);
        }
        .exclusive-card .card-body {
            padding: 22px;
        }
        .exclusive-card .card-body h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-100);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .exclusive-card .card-body p {
            font-size: 0.8125rem;
            color: var(--text-500);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (max-width: 991.98px) {
            .faq-wrap {
                grid-template-columns: 1fr;
            }
        }
        .faq-item {
            background: var(--bg-800);
            border: 1px solid var(--line-01);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(255, 106, 26, 0.35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-100);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: background 0.2s ease;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-amber);
            transition: transform 0.35s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 0.875rem;
            color: var(--text-300);
            line-height: 1.7;
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* CTA */
        .cta-membership {
            position: relative;
            padding: 90px 0;
            background: linear-gradient(135deg, #131022, #1C1533);
            border-top: 1px solid rgba(255, 106, 26, 0.25);
            border-bottom: 1px solid rgba(255, 106, 26, 0.25);
            overflow: hidden;
            text-align: center;
        }
        .cta-membership::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-amber), transparent);
        }
        .cta-membership .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-membership h2 {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: var(--text-100);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .cta-membership h2 span {
            color: var(--accent-amber);
        }
        .cta-membership p {
            color: var(--text-300);
            font-size: 1rem;
            line-height: 1.75;
            margin-bottom: 36px;
        }
        .cta-membership .btn-sp-primary {
            padding: 1em 2.8em;
            font-size: 1rem;
        }
        .cta-note {
            color: var(--text-500);
            font-size: 0.8125rem;
            margin-top: 18px;
        }
        .cta-membership .cta-decoration {
            position: absolute;
            width: 420px;
            height: 420px;
            border: 1px solid rgba(255, 106, 26, 0.12);
            border-radius: 50%;
            top: -220px;
            right: -120px;
            pointer-events: none;
        }
        .cta-membership .cta-decoration::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border: 1px solid rgba(255, 106, 26, 0.08);
            border-radius: 50%;
            bottom: -80px;
            left: 80px;
        }

        /* 页脚 */
        .site-footer {
            background: #0A0810;
            border-top: 1px solid rgba(255, 106, 26, 0.3);
            padding: 64px 0 28px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand .brand-logo span {
            color: var(--text-100);
        }
        .footer-brand .brand-logo span i {
            color: var(--accent-amber);
        }
        .footer-sub {
            color: var(--text-500);
            font-size: 0.8125rem;
            margin-top: 14px;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-block h4 {
            color: var(--text-100);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-block ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-block ul li {
            margin-bottom: 12px;
        }
        .footer-block ul li a {
            color: var(--text-300);
            font-size: 0.875rem;
            text-decoration: none;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-block ul li a:hover {
            color: var(--accent-amber);
            padding-left: 4px;
        }
        .footer-copy {
            border-top: 1px solid var(--line-01);
            padding-top: 28px;
            text-align: center;
            color: var(--text-500);
            font-size: 0.8125rem;
        }
        @media (max-width: 767.98px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .site-footer {
                padding-top: 48px;
            }
        }

        /* 通用按钮 */
        .btn-sp-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: var(--text-100);
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 0.8em 1.6em;
            border-radius: 8px;
            text-decoration: none !important;
            transition: border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
        }
        .btn-sp-secondary:hover {
            border-color: rgba(255, 106, 26, 0.7);
            background: rgba(255, 106, 26, 0.08);
            color: var(--text-100);
        }
        .btn-gold {
            background: linear-gradient(135deg, #FF7A2A, #F44E17);
            color: #1A1206;
            font-weight: 600;
            border: none;
            border-radius: 8px;
            padding: 0.8em 1.6em;
            text-decoration: none !important;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 106, 26, 0.25);
            filter: brightness(1.08);
            color: #1A1206;
        }
        .btn-gold-sm {
            padding: 0.6em 1.2em;
            font-size: 0.875rem;
        }
        .text-amber {
            color: var(--accent-amber) !important;
        }
        .text-cyan {
            color: var(--accent-cyan) !important;
        }

        /* focus 可访问性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-amber);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category3 */
:root {
  --bg-900: #0F0D1A;
  --bg-800: #191630;
  --bg-700: #221E3D;
  --accent-amber: #FF6A1A;
  --accent-cyan: #21C7B8;
  --text-100: #F5F2FF;
  --text-300: #A9A1C8;
  --text-500: #6B6390;
  --line-01: rgba(255, 255, 255, 0.08);
  --success: #2ED573;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --radius-card: 14px;
  --radius-btn: 8px;
  --radius-input: 8px;
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.28);
  --shadow-hover: 0 8px 30px rgba(255, 106, 26, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 92px;
}

body {
  font-family: var(--font-main);
  background: var(--bg-900);
  color: var(--text-100);
  font-size: 0.9375rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #FF7A2A;
  text-decoration: none;
  transition: color 0.25s ease;
}

a:hover {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

button {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 11, 22, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--line-01);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 30px;
  height: 30px;
}

.brand-logo span {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-logo span i {
  font-style: normal;
  color: var(--accent-amber);
}

.brand-logo:hover {
  text-decoration: none;
  color: #fff;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-item {
  position: relative;
  color: var(--text-300);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 6px 2px;
  transition: color 0.25s ease;
  white-space: nowrap;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-item:hover {
  color: var(--text-100);
  text-decoration: none;
}

.nav-item:hover::after {
  transform: scaleX(1);
}

.nav-item.active {
  color: var(--accent-amber);
}

.nav-item.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.login-link {
  color: var(--text-300);
  font-size: 0.9375rem;
  transition: color 0.25s;
}

.login-link:hover {
  color: var(--accent-cyan);
  text-decoration: none;
}

.btn-sp-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #FF7A2A, #F44E17);
  color: #1A1206;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-btn);
  padding: 0.8em 1.6em;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.btn-sp-primary:hover {
  color: #1A1206;
  text-decoration: none;
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 106, 26, 0.25);
}

.btn-sp-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-100);
  border-radius: var(--radius-btn);
  padding: 0.8em 1.6em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-sp-secondary:hover {
  color: #FF7A2A;
  border-color: rgba(255, 106, 26, 0.6);
  background: rgba(255, 106, 26, 0.08);
  text-decoration: none;
}

.btn-sm {
  padding: 0.5em 1.2em;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1em 2.2em;
  font-size: 1rem;
}

.nav-toggle, .nav-close {
  display: none;
  background: none;
  border: none;
  color: var(--text-100);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 8px;
  transition: color 0.25s;
}

.nav-toggle:hover, .nav-close:hover {
  color: var(--accent-amber);
}

.mobile-only {
  display: none;
}

/* ===== Footer ===== */
.site-footer {
  background: #0A0810;
  border-top: 1px solid rgba(255, 106, 26, 0.15);
  padding: 64px 0 0;
  margin-top: 16px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
}

.footer-brand .brand-logo {
  margin-bottom: 12px;
}

.footer-sub {
  color: var(--text-500);
  font-size: 0.8125rem;
  margin: 0;
  line-height: 1.7;
}

.footer-block h4 {
  color: var(--text-100);
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-block ul li {
  margin-bottom: 10px;
}

.footer-block ul li a {
  color: var(--text-300);
  font-size: 0.875rem;
  transition: color 0.25s;
}

.footer-block ul li a:hover {
  color: var(--accent-amber);
  text-decoration: none;
}

.footer-copy {
  border-top: 1px solid var(--line-01);
  padding: 20px 0;
  text-align: center;
  color: var(--text-500);
  font-size: 0.8125rem;
}

/* ===== Member Banner（顶部不对称横幅） ===== */
.member-banner {
  padding: 140px 0 64px;
}

.member-banner-row {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--line-01);
  background: var(--bg-800);
  box-shadow: var(--shadow-card);
}

.member-banner-media {
  position: relative;
  min-height: 480px;
  background-size: cover;
  background-position: center;
}

.member-banner-media::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 13, 26, 0.1) 0%, rgba(15, 13, 26, 0.72) 100%);
}

.member-banner-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 18% 78%, rgba(255, 106, 26, 0.16) 0%, transparent 62%);
}

.member-banner-media-content {
  position: absolute;
  left: 28px;
  bottom: 28px;
  z-index: 2;
  max-width: 72%;
  padding-right: 12px;
}

.badge-sp {
  display: inline-block;
  background: rgba(255, 106, 26, 0.16);
  border: 1px solid rgba(255, 106, 26, 0.45);
  color: #FF9A5D;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.member-banner-media-content h3 {
  color: #fff;
  font-size: clamp(1.375rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.member-banner-media-content p {
  color: var(--text-300);
  font-size: 0.9375rem;
  margin: 0;
}

.member-banner-info {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.section-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--accent-cyan);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.member-banner-title {
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.member-banner-desc {
  color: var(--text-300);
  margin-bottom: 24px;
  font-size: 0.9375rem;
}

.member-banner-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Section 通用 ===== */
.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.section-bar {
  width: 4px;
  height: 22px;
  background: var(--accent-amber);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-head h2 {
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700;
  margin: 0;
}

/* ===== Level Timeline ===== */
.section-level {
  padding: 80px 0 96px;
}

.level-timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding-left: 24px;
}

.level-timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-amber), rgba(255, 106, 26, 0.12));
}

.level-item {
  position: relative;
  padding: 0 0 28px 24px;
}

.level-item:last-child {
  padding-bottom: 0;
}

.level-node {
  position: absolute;
  left: 0;
  top: 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg-800);
  border: 2px solid var(--accent-cyan);
  z-index: 1;
  transform: translateX(-50%);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.level-item:hover .level-node {
  background: var(--accent-amber);
  border-color: var(--accent-amber);
}

.level-card {
  background: var(--bg-800);
  border: 1px solid var(--line-01);
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.level-card:hover {
  background: var(--bg-700);
  border-color: rgba(255, 106, 26, 0.4);
  box-shadow: var(--shadow-hover);
}

.level-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.level-badge {
  display: inline-block;
  background: linear-gradient(135deg, #FF7A2A, #F44E17);
  color: #1A1206;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 4px 16px;
  border-radius: 999px;
}

.level-status {
  font-size: 0.8125rem;
  color: var(--text-500);
}

.level-status.current {
  color: var(--accent-cyan);
}

.level-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.benefit-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-300);
  font-size: 0.875rem;
}

.benefit-item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-amber);
  flex-shrink: 0;
}

/* ===== Service 图文区 ===== */
.section-service {
  padding: 0 0 96px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.service-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-800);
  border: 1px solid var(--line-01);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.service-item:hover {
  background: var(--bg-700);
  border-color: rgba(255, 106, 26, 0.35);
  transform: translateY(-2px);
}

.service-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 106, 26, 0.12);
  color: var(--accent-amber);
  font-size: 1.125rem;
}

.service-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.service-item p {
  color: var(--text-300);
  font-size: 0.875rem;
  margin: 0;
  line-height: 1.7;
}

.service-scene {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.scene-main {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  flex: 1;
}

.scene-main img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.scene-main .scene-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  background: linear-gradient(0deg, rgba(15, 13, 26, 0.78) 0%, transparent 100%);
}

.scene-main h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: #fff;
}

.scene-main p {
  color: var(--text-300);
  font-size: 0.875rem;
  margin: 0;
}

.scene-mini {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.scene-mini-item {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--bg-800);
  border: 1px solid var(--line-01);
  border-radius: var(--radius-card);
  padding: 16px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.scene-mini-item:hover {
  background: var(--bg-700);
  border-color: rgba(255, 106, 26, 0.3);
}

.scene-mini-item img {
  width: 72px;
  height: 72px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.scene-mini-item div {
  min-width: 0;
}

.scene-mini-item h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0 0 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scene-mini-item p {
  font-size: 0.8125rem;
  color: var(--text-500);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== Stats ===== */
.member-stats {
  padding: 72px 0;
  background: var(--bg-800);
  border-top: 1px solid var(--line-01);
  border-bottom: 1px solid var(--line-01);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 8px 0;
}

.stat-item strong {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--accent-amber);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-item span {
  color: var(--text-300);
  font-size: 0.9375rem;
}

/* ===== FAQ ===== */
.section-faq {
  padding: 96px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--bg-800);
  border: 1px solid var(--line-01);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item.active {
  border-color: rgba(255, 106, 26, 0.35);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: none;
  border: none;
  color: var(--text-100);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 18px 20px;
  text-align: left;
  cursor: pointer;
  transition: color 0.25s ease;
}

.faq-question:hover {
  color: var(--accent-amber);
}

.faq-question i {
  color: var(--accent-amber);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  font-size: 0.875rem;
}

.faq-item.active .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.active .faq-answer {
  max-height: 320px;
}

.faq-answer p {
  padding: 0 20px 18px;
  color: var(--text-300);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}

/* ===== CTA ===== */
.member-cta {
  padding: 96px 0 112px;
  background: linear-gradient(135deg, rgba(255, 106, 26, 0.06) 0%, transparent 50%, rgba(255, 106, 26, 0.04) 100%);
}

.cta-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  padding: 56px 32px;
  border: 1px solid var(--line-01);
  border-radius: 20px;
  position: relative;
  background: var(--bg-800);
  box-shadow: var(--shadow-card);
}

.cta-inner::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(255, 106, 26, 0.2);
  border-radius: 14px;
  pointer-events: none;
}

.cta-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-inner p {
  color: var(--text-300);
  max-width: 520px;
  margin: 0 auto 28px;
}

.cta-inner .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.cta-note {
  margin-top: 20px;
  font-size: 0.8125rem;
  color: var(--text-500);
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .header-inner {
    height: 64px;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(86vw, 420px);
    background: var(--bg-900);
    border-left: 1px solid var(--line-01);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 32px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 1100;
    gap: 0;
  }

  .main-nav.open {
    transform: translateX(0);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.6);
  }

  .nav-item {
    display: block;
    width: 100%;
    padding: 16px 0;
    font-size: 1.25rem;
    border-bottom: 1px solid var(--line-01);
    color: var(--text-100);
  }

  .nav-item::after {
    display: none;
  }

  .nav-item.active {
    color: var(--accent-amber);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-close {
    display: inline-flex;
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 1.4rem;
  }

  .header-actions .login-link,
  .header-actions .btn-sp-primary {
    display: none;
  }

  .mobile-only {
    display: block;
    margin-top: 32px;
    width: 100%;
  }

  .member-banner {
    padding: 96px 0 32px;
  }

  .member-banner-media {
    min-height: 260px;
  }

  .member-banner-media-content {
    max-width: 86%;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section-level,
  .section-service {
    padding: 64px 0 64px;
  }

  .section-faq,
  .member-cta {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 28px;
  }

  .level-timeline {
    padding-left: 16px;
  }

  .level-item {
    padding: 0 0 24px 16px;
  }

  .level-node {
    width: 14px;
    height: 14px;
    top: 20px;
  }

  .level-card {
    padding: 18px;
  }

  .level-benefits {
    flex-direction: column;
    gap: 8px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .member-banner-info {
    padding: 28px 20px;
  }

  .cta-inner {
    padding: 40px 20px;
  }
}

@media (max-width: 520px) {
  .member-banner-media {
    min-height: 220px;
  }

  .member-banner-media-content {
    left: 20px;
    bottom: 20px;
  }

  .member-banner-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .member-banner-actions .btn-sp-primary,
  .member-banner-actions .btn-sp-secondary {
    width: 100%;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn-sp-primary,
  .cta-actions .btn-sp-secondary {
    width: 100%;
  }
}