/* roulang page: index */
:root {
    --bg-dark: #0A1418;
    --bg-darker: #060C0E;
    --bg-nav: rgba(15, 29, 34, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(120, 255, 210, 0.12);
    --accent: #00E59A;
    --accent-hover: #2BD69A;
    --accent-soft: #4FF5C4;
    --amber: #FFB347;
    --text-primary: #E8F0EF;
    --text-secondary: rgba(232, 240, 239, 0.55);
    --card-radius: 16px;
    --btn-radius: 8px;
    --pill-radius: 999px;
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    --glow: 0 0 20px rgba(0, 229, 154, 0.35);
    --glow-hover: 0 0 32px rgba(0, 229, 154, 0.6);
    --transition: 0.25s ease;
    --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-cn);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a { color: var(--accent-soft); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

button { font-family: var(--font-cn); cursor: pointer; }
input, textarea, select { font-family: var(--font-cn); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 左侧导航 ===== */
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 92px;
    height: 100vh;
    background: var(--bg-nav);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-right: 1px solid rgba(120, 255, 210, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 999;
    transition: width var(--transition);
}

.side-brand {
    width: 100%;
    height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-bottom: 1px solid rgba(120, 255, 210, 0.08);
    padding: 8px 4px;
}

.brand-badge {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    background: rgba(0, 229, 154, 0.08);
    box-shadow: var(--glow);
    flex-shrink: 0;
}

.brand-text-nav {
    font-size: 10px;
    color: var(--text-secondary);
    line-height: 1.3;
    text-align: center;
    max-width: 76px;
    display: block;
}

.side-nav-links {
    flex: 1;
    width: 100%;
    padding-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.nav-item {
    position: relative;
    width: calc(100% - 16px);
    padding: 14px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-secondary);
    border-radius: 10px;
    transition: all var(--transition);
    font-size: 13px;
    text-align: center;
}

.nav-item i {
    font-size: 20px;
    transition: all var(--transition);
}

.nav-item:hover {
    color: var(--accent);
    background: rgba(0, 229, 154, 0.06);
}

.nav-item:hover i {
    text-shadow: 0 0 12px rgba(0, 229, 154, 0.5);
}

.nav-item.active {
    color: var(--accent);
    background: rgba(0, 229, 154, 0.08);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -2px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    border-radius: 3px;
    background: var(--accent);
    box-shadow: var(--glow);
}

.side-nav-bottom {
    width: 100%;
    padding: 14px 0 18px;
    display: flex;
    justify-content: center;
    border-top: 1px solid rgba(120, 255, 210, 0.08);
}

.side-social {
    display: flex;
    gap: 10px;
}

.side-social a {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid rgba(120, 255, 210, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 12px;
    transition: all var(--transition);
}

.side-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--glow);
}

/* ===== 移动端顶部 ===== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(10, 20, 24, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(120, 255, 210, 0.1);
    z-index: 1000;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
}

.mobile-brand-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

.menu-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(120, 255, 210, 0.12);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--transition);
}

.menu-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.drawer-overlay.show {
    opacity: 1;
}

.drawer-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--bg-darker);
    z-index: 1002;
    transition: right 0.25s ease;
    display: flex;
    flex-direction: column;
    padding: 24px 20px;
}

.drawer-menu.open {
    right: 0;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(120, 255, 210, 0.1);
}

.drawer-brand {
    font-size: 16px;
    font-weight: 700;
}

.drawer-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drawer-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 12px;
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 15px;
    transition: all var(--transition);
    margin-bottom: 4px;
}

.drawer-link i {
    width: 22px;
    text-align: center;
    font-size: 18px;
}

.drawer-link:hover,
.drawer-link.active {
    color: var(--accent);
    background: rgba(0, 229, 154, 0.06);
}

/* ===== 内容区 ===== */
.content-wrapper {
    margin-left: 92px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
}

/* ===== Hero ===== */
.hero-section {
    position: relative;
    min-height: 650px;
    height: 85vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(to right, rgba(10, 20, 24, 0.94), rgba(10, 20, 24, 0.82)), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: var(--accent);
    filter: blur(80px);
    opacity: 0.10;
    top: 15%;
    left: 5%;
    animation: blobFloat 18s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: var(--amber);
    filter: blur(70px);
    opacity: 0.08;
    bottom: 10%;
    right: 12%;
    animation: blobFloat 20s ease-in-out infinite reverse;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -20px) scale(1.05); }
    50% { transform: translate(-15px, 25px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-section .grid-container {
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-content {
    padding: 40px 0;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 229, 154, 0.08);
    border: 1px solid rgba(0, 229, 154, 0.2);
    border-radius: var(--pill-radius);
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-eyebrow i {
    font-size: 11px;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.85;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--accent);
    color: #06241C;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--pill-radius);
    box-shadow: var(--glow);
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--glow-hover);
    transform: translateY(-2px);
    color: #06241C;
}

.btn-primary:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 500;
    border: 1px solid rgba(120, 255, 210, 0.2);
    border-radius: var(--pill-radius);
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 229, 154, 0.06);
    transform: translateY(-2px);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(232, 240, 239, 0.25);
    border-radius: var(--btn-radius);
    font-size: 15px;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 229, 154, 0.04);
}

/* Hero 数据徽章 */
.hero-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.stat-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(120, 255, 210, 0.12);
    border-radius: 12px;
    padding: 12px 18px;
    min-width: 108px;
    text-align: center;
    backdrop-filter: blur(8px);
}

.stat-number {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.3;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ===== 手机框架 ===== */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 30px 0;
}

.phone-glow {
    position: absolute;
    width: 320px;
    height: 320px;
    background: var(--accent);
    filter: blur(100px);
    opacity: 0.14;
    border-radius: 50%;
    z-index: 0;
}

.phone-frame {
    position: relative;
    z-index: 1;
    width: 280px;
    height: 560px;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(120, 255, 210, 0.15);
    border-radius: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55), 0 0 40px rgba(0, 229, 154, 0.12);
    transform: rotate(3deg);
    overflow: hidden;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
}

.phone-status {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

.phone-status i {
    font-size: 9px;
}

.phone-app-logo {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(0, 229, 154, 0.12);
    border: 1.5px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: var(--accent);
    margin: 0 auto 18px;
    box-shadow: var(--glow);
}

.phone-title {
    text-align: center;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
}

.phone-sub {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.phone-input {
    height: 40px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-bottom: 12px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    font-size: 12px;
    color: rgba(232, 240, 239, 0.3);
}

.phone-input i {
    margin-right: 8px;
    font-size: 11px;
    color: rgba(232, 240, 239, 0.2);
}

.phone-btn {
    height: 40px;
    background: var(--accent);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: #06241C;
    margin-top: 4px;
    box-shadow: var(--glow);
}

.phone-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    color: rgba(232, 240, 239, 0.3);
    font-size: 10px;
}

.phone-divider::before,
.phone-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(120, 255, 210, 0.1);
}

.phone-chips {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 20px;
}

.phone-chip {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(120, 255, 210, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.phone-bottom-lines {
    margin-top: auto;
}

.phone-line {
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 8px;
}

.phone-line.short {
    width: 60%;
    margin: 0 auto;
    background: rgba(0, 229, 154, 0.15);
}

.rating-badge {
    position: absolute;
    bottom: 0;
    z-index: 2;
    background: rgba(15, 29, 34, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 179, 71, 0.3);
    border-radius: var(--pill-radius);
    padding: 6px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.rating-badge .stars {
    color: var(--amber);
    font-size: 12px;
    letter-spacing: 1px;
}

/* ===== 通用板块 ===== */
.section-block {
    padding: 90px 0;
}

.section-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 44px;
}

.section-header .section-bar {
    width: 4px;
    height: 28px;
    background: var(--accent);
    border-radius: 4px;
    box-shadow: var(--glow);
    margin-top: 6px;
    flex-shrink: 0;
}

.section-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin: 0;
}

.section-header .section-en {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 13px;
    color: rgba(232, 240, 239, 0.3);
    align-self: center;
    margin-left: auto;
    letter-spacing: 1px;
}

/* ===== 热门功能卡片 ===== */
.features-section {
    background: var(--bg-dark);
}

.hot-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.hot-card:hover {
    transform: translateY(-4px);
    border-color: rgba(120, 255, 210, 0.3);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55), 0 0 24px rgba(0, 229, 154, 0.08);
}

.hot-cover {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.hot-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hot-card:hover .hot-cover img {
    transform: scale(1.05);
}

.hot-tag {
    position: absolute;
    left: 14px;
    top: 14px;
    background: var(--accent);
    color: #06241C;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--pill-radius);
    z-index: 2;
}

.hot-body {
    padding: 22px 22px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.hot-body h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.hot-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hot-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.hot-index {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.hot-index-label {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.hot-index-track {
    flex: 1;
    height: 4px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.hot-index-fill {
    display: block;
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(to right, rgba(0, 229, 154, 0.5), var(--accent));
}

.hot-index-value {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
}

.hot-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(120, 255, 210, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 13px;
    transition: all var(--transition);
    margin-left: 12px;
    text-decoration: none;
}

.hot-arrow:hover {
    background: var(--accent);
    color: #06241C;
    border-color: var(--accent);
    box-shadow: var(--glow);
}

/* ===== 种草清单 ===== */
.wish-section {
    background: var(--bg-darker);
}

.wish-scroll {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 8px 4px 16px;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 229, 154, 0.3) transparent;
    -webkit-overflow-scrolling: touch;
}

.wish-scroll::-webkit-scrollbar {
    height: 5px;
}

.wish-scroll::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.04);
    border-radius: 4px;
}

.wish-scroll::-webkit-scrollbar-thumb {
    background: rgba(0, 229, 154, 0.25);
    border-radius: 4px;
}

.wish-card {
    min-width: 300px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(120, 255, 210, 0.1);
    border-radius: 999px;
    padding: 16px 22px;
    display: flex;
    align-items: center;
    gap: 18px;
    transition: all var(--transition);
}

.wish-card:hover {
    border-color: rgba(120, 255, 210, 0.3);
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
}

.wish-number {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 24px;
    color: var(--amber);
    flex-shrink: 0;
    transition: color var(--transition);
}

.wish-card:hover .wish-number {
    color: var(--accent);
}

.wish-info {
    flex: 1;
    min-width: 0;
}

.wish-info strong {
    display: block;
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.wish-info span {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.wish-btn {
    padding: 7px 18px;
    background: rgba(0, 229, 154, 0.08);
    border: 1px solid rgba(0, 229, 154, 0.25);
    border-radius: var(--pill-radius);
    color: var(--accent);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    transition: all var(--transition);
    text-decoration: none;
}

.wish-btn:hover {
    background: var(--accent);
    color: #06241C;
    border-color: var(--accent);
    box-shadow: var(--glow);
}

/* ===== 口碑区 ===== */
.review-section {
    background: rgba(255, 179, 71, 0.05);
    border-top: 1px solid rgba(255, 179, 71, 0.08);
    border-bottom: 1px solid rgba(255, 179, 71, 0.08);
    padding: 80px 0;
}

.review-item {
    text-align: center;
    padding: 24px 16px;
}

.review-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 179, 71, 0.15);
    border: 1px solid rgba(255, 179, 71, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--amber);
    margin: 0 auto 12px;
}

.review-meta {
    margin-bottom: 10px;
}

.review-name {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.review-stars {
    color: var(--amber);
    font-size: 13px;
    letter-spacing: 2px;
}

.review-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 320px;
    margin: 0 auto;
}

.review-cta-wrap {
    text-align: center;
    margin-top: 36px;
}

.btn-cta-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 48px;
    background: var(--accent);
    color: #06241C;
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: var(--pill-radius);
    box-shadow: var(--glow);
    transition: all var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.btn-cta-large:hover {
    background: var(--accent-hover);
    box-shadow: var(--glow-hover);
    transform: translateY(-2px) scale(1.02);
    color: #06241C;
}

.btn-cta-large:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 3px;
}

/* ===== 最新资讯 ===== */
.news-section {
    padding: 90px 0;
    background: var(--bg-dark);
}

.featured-card {
    display: block;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all var(--transition);
    height: 100%;
    text-decoration: none;
    color: var(--text-primary);
}

.featured-card:hover {
    transform: translateY(-4px);
    border-color: rgba(120, 255, 210, 0.3);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
}

.featured-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.featured-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.featured-card:hover .featured-cover img {
    transform: scale(1.04);
}

.featured-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--amber);
    color: #1A1206;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--pill-radius);
    z-index: 2;
}

.featured-body {
    padding: 20px;
}

.featured-body h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-body p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-time {
    font-size: 12px;
    color: rgba(232, 240, 239, 0.4);
    font-family: monospace;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.news-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.news-row:hover {
    background: rgba(0, 229, 154, 0.04);
    border-color: rgba(120, 255, 210, 0.2);
    transform: translateX(4px);
}

.news-time {
    font-size: 13px;
    color: rgba(232, 240, 239, 0.4);
    font-family: monospace;
    white-space: nowrap;
    flex-shrink: 0;
}

.news-tag {
    font-size: 12px;
    padding: 3px 10px;
    border-radius: var(--pill-radius);
    background: rgba(0, 229, 154, 0.08);
    border: 1px solid rgba(0, 229, 154, 0.2);
    color: var(--accent);
    white-space: nowrap;
    flex-shrink: 0;
}

.news-title {
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
    max-width: 28%;
    color: var(--text-primary);
}

.news-excerpt {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.news-arrow {
    color: var(--text-secondary);
    font-size: 14px;
    flex-shrink: 0;
    transition: all var(--transition);
}

.news-row:hover .news-arrow {
    color: var(--accent);
    transform: translateX(3px);
}

/* 空状态 */
.news-empty {
    padding: 60px 24px;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed rgba(120, 255, 210, 0.15);
    border-radius: var(--card-radius);
}

.empty-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(120, 255, 210, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--text-secondary);
    margin: 0 auto 14px;
}

.news-empty p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.refresh-btn {
    padding: 8px 24px;
    background: rgba(0, 229, 154, 0.08);
    border: 1px solid rgba(0, 229, 154, 0.25);
    border-radius: var(--pill-radius);
    color: var(--accent);
    font-size: 14px;
    transition: all var(--transition);
}

.refresh-btn:hover {
    background: var(--accent);
    color: #06241C;
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--bg-darker);
    padding: 90px 0;
}

.faq-left {
    padding-right: 30px;
}

.faq-left h2 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.faq-left p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-right {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.active {
    border-color: rgba(0, 229, 154, 0.2);
    background: rgba(0, 229, 154, 0.03);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 20px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    transition: background var(--transition);
    user-select: none;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.02);
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(120, 255, 210, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: rgba(0, 229, 154, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 20px;
}

.faq-answer-inner {
    padding-bottom: 18px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(145deg, var(--bg-dark), var(--bg-darker));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--accent);
    filter: blur(120px);
    opacity: 0.07;
    border-radius: 50%;
    top: -100px;
    right: 10%;
}

.cta-inner {
    background: radial-gradient(ellipse at center, rgba(0, 229, 154, 0.05), transparent 65%);
    border: 1px solid rgba(120, 255, 210, 0.1);
    border-radius: 24px;
    padding: 56px 40px;
    text-align: center;
}

.cta-inner h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.cta-inner p {
    font-size: 15px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.page-footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(120, 255, 210, 0.2);
    padding: 60px 0 30px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
}

.footer-brand-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 300px;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 13px;
    transition: all var(--transition);
}

.footer-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--glow);
}

.page-footer h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-list li {
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-list i {
    color: var(--accent);
    width: 16px;
    text-align: center;
}

.copyright {
    margin-top: 44px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
    font-size: 13px;
    color: rgba(232, 240, 239, 0.35);
}

/* ===== 平板适配 (≥768px 且 <1024px) ===== */
@media (max-width: 1023px) and (min-width: 768px) {
    .side-nav {
        width: 72px;
    }

    .brand-text-nav {
        display: none;
    }

    .brand-badge {
        width: 38px;
        height: 38px;
        font-size: 13px;
    }

    .nav-item {
        width: 56px;
    }

    .nav-item span {
        display: none;
    }

    .nav-item:hover span {
        display: block;
        position: absolute;
        left: 60px;
        top: 50%;
        transform: translateY(-50%);
        background: var(--bg-nav);
        padding: 5px 12px;
        border-radius: 8px;
        font-size: 13px;
        white-space: nowrap;
        z-index: 20;
        box-shadow: var(--card-shadow);
    }

    .nav-item:hover span::before {
        content: '';
        position: absolute;
        left: -5px;
        top: 50%;
        transform: translateY(-50%);
        border: 5px solid transparent;
        border-right-color: var(--bg-nav);
    }

    .content-wrapper {
        margin-left: 72px;
    }

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

/* ===== 移动端适配 (<768px) ===== */
@media (max-width: 767px) {
    .side-nav {
        display: none;
    }

    .mobile-header {
        display: flex;
    }

    .drawer-overlay.show {
        display: block;
    }

    .drawer-overlay {
        display: none;
    }

    .content-wrapper {
        margin-left: 0;
        padding-top: 60px;
    }

    .section-block,
    .news-section,
    .faq-section {
        padding: 56px 0;
    }

    .hero-section {
        min-height: auto;
        height: auto;
        padding: 80px 0 60px;
    }

    .hero-title {
        font-size: 30px;
        line-height: 1.35;
        letter-spacing: -0.3px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .hero-actions {
        margin-bottom: 32px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .stat-item {
        min-width: calc(50% - 6px);
        flex: 1;
    }

    .hero-visual {
        margin-top: 48px;
    }

    .phone-frame {
        transform: rotate(0deg);
    }

    .section-header {
        margin-bottom: 30px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .section-header .section-en {
        display: none;
    }

    .hot-card {
        margin-bottom: 16px;
    }

    .wish-card {
        min-width: 260px;
    }

    .review-item {
        padding: 16px 8px;
    }

    .review-cta-wrap .btn-cta-large {
        width: calc(100% - 40px);
        max-width: 320px;
        justify-content: center;
    }

    .news-row {
        flex-wrap: wrap;
        gap: 8px 12px;
        padding: 14px 14px;
    }

    .news-title {
        max-width: 100%;
        flex-basis: 100%;
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-excerpt {
        flex-basis: calc(100% - 40px);
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-time {
        font-size: 12px;
    }

    .news-arrow {
        margin-left: auto;
    }

    .faq-left {
        margin-bottom: 20px;
    }

    .cta-inner {
        padding: 36px 20px;
    }

    .cta-inner h2 {
        font-size: 22px;
    }

    .cta-buttons .btn-primary,
    .cta-buttons .btn-ghost {
        width: 100%;
        justify-content: center;
    }

    .page-footer {
        padding: 44px 0 24px;
    }

    .footer-column {
        margin-bottom: 28px;
    }

    .featured-card {
        margin-bottom: 20px;
    }
}

/* ===== 通用工具类 ===== */
.text-center { text-align: center; }

.mb-0 { margin-bottom: 0; }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }

.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(120, 255, 210, 0.15), transparent);
}

/* ===== Focus 状态 ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* roulang page: category1 */
:root {
            --bg-primary: #0A1418;
            --bg-secondary: #0F1D22;
            --bg-deeper: #060C0E;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(120, 255, 210, 0.12);
            --accent: #00E59A;
            --accent-dark: #2BD69A;
            --warm: #FFB347;
            --text-main: #E8F0EF;
            --text-sub: rgba(232, 240, 239, 0.55);
            --link: #4FF5C4;
            --danger: #FF6B5E;
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-accent: 0 0 20px rgba(0, 229, 154, 0.35);
            --shadow-accent-hover: 0 0 32px rgba(0, 229, 154, 0.6);
            --transition: 0.25s ease;
            --nav-width: 92px;
            --nav-width-sm: 72px;
            --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-serif: Georgia, "Times New Roman", serif;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--link);
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

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

        button,
        input,
        select {
            font-family: inherit;
        }

        i {
            display: inline-block;
        }

        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
        }

        /* ===== 左侧导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-secondary);
            border-right: 1px solid var(--glass-border);
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 0 8px 20px;
            z-index: 1000;
            transition: width var(--transition);
        }

        .side-nav-brand {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 80px;
            width: 100%;
            border-bottom: 1px solid rgba(120, 255, 210, 0.1);
            margin-bottom: 10px;
            gap: 4px;
        }

        .brand-circle {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
            color: var(--accent);
            background: rgba(0, 229, 154, 0.08);
        }

        .brand-mini-text {
            font-size: 10px;
            color: var(--text-sub);
            letter-spacing: 1px;
            white-space: nowrap;
            max-width: 80px;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .side-nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            width: 100%;
            flex: 1;
        }

        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 14px 8px;
            border-radius: 12px;
            color: var(--text-sub);
            font-size: 12px;
            gap: 6px;
            transition: all var(--transition);
            position: relative;
            text-align: center;
            line-height: 1.3;
        }

        .nav-item i {
            font-size: 20px;
            transition: filter var(--transition);
        }

        .nav-item:hover {
            color: var(--accent);
            background: rgba(0, 229, 154, 0.06);
        }

        .nav-item:hover i {
            filter: drop-shadow(0 0 8px rgba(0, 229, 154, 0.5));
        }

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

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -8px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
            box-shadow: 0 0 12px rgba(0, 229, 154, 0.6);
        }

        .side-nav-footer {
            padding-top: 16px;
            border-top: 1px solid rgba(120, 255, 210, 0.08);
            width: 100%;
            text-align: center;
            font-size: 10px;
            color: rgba(232, 240, 239, 0.3);
            padding-bottom: 4px;
            line-height: 1.6;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(15, 29, 34, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--glass-border);
            z-index: 1100;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-logo .brand-circle {
            width: 34px;
            height: 34px;
            font-size: 13px;
        }

        .mobile-logo span:last-child {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
        }

        .mobile-menu-btn {
            background: none;
            border: 1px solid var(--glass-border);
            border-radius: 8px;
            width: 38px;
            height: 38px;
            color: var(--text-main);
            font-size: 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .mobile-menu-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(6, 12, 14, 0.96);
            backdrop-filter: blur(20px);
            z-index: 1050;
            padding: 80px 32px 32px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-drawer.open {
            display: flex;
            animation: drawerFadeIn 0.2s ease;
        }

        @keyframes drawerFadeIn {
            from { opacity: 0; transform: translateX(30px); }
            to { opacity: 1; transform: translateX(0); }
        }

        .mobile-drawer .nav-item {
            flex-direction: row;
            justify-content: flex-start;
            padding: 16px 20px;
            font-size: 15px;
            gap: 14px;
            border-radius: 12px;
            color: var(--text-sub);
        }

        .mobile-drawer .nav-item:hover,
        .mobile-drawer .nav-item.active {
            background: rgba(0, 229, 154, 0.08);
            color: var(--accent);
        }

        .mobile-drawer .nav-item.active::before {
            display: none;
        }

        .drawer-close {
            position: absolute;
            top: 16px;
            right: 20px;
            background: none;
            border: none;
            color: var(--text-sub);
            font-size: 22px;
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 8px;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--accent);
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
            padding-bottom: 0;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            padding: 56px 0 48px;
            background: linear-gradient(135deg, rgba(15, 29, 34, 0.6) 0%, rgba(10, 20, 24, 0.9) 100%);
            overflow: hidden;
            border-bottom: 1px solid rgba(120, 255, 210, 0.08);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 229, 154, 0.12) 0%, transparent 70%);
            filter: blur(40px);
            animation: floatGlow 18s ease-in-out infinite alternate;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: 30%;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(255, 179, 71, 0.08) 0%, transparent 70%);
            filter: blur(50px);
            animation: floatGlow 22s ease-in-out infinite alternate-reverse;
        }

        @keyframes floatGlow {
            0% { transform: translate(0, 0) scale(1); opacity: 0.6; }
            100% { transform: translate(40px, 30px) scale(1.1); opacity: 1; }
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .breadcrumb a {
            color: var(--accent);
        }

        .breadcrumb a:hover {
            color: var(--accent-dark);
        }

        .breadcrumb span {
            margin: 0 8px;
            color: rgba(232, 240, 239, 0.3);
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
            color: var(--text-main);
        }

        .page-hero-sub {
            font-size: 14px;
            color: var(--text-sub);
            max-width: 560px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }

        .hero-metrics {
            display: flex;
            gap: 32px;
            margin-top: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .hero-metric {
            display: flex;
            flex-direction: column;
        }

        .hero-metric .num {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            font-family: var(--font-serif);
        }

        .hero-metric .label {
            font-size: 12px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 72px 0;
        }

        .section-block:nth-child(even) {
            background: var(--bg-secondary);
        }

        .section-title-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-title-wrap h2 {
            font-size: 32px;
            font-weight: 800;
            padding-left: 16px;
            border-left: 4px solid var(--accent);
            line-height: 1.2;
        }

        .section-en {
            font-family: var(--font-serif);
            font-style: italic;
            font-size: 12px;
            color: var(--text-sub);
            opacity: 0.7;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-top: 4px;
            display: block;
        }

        /* ===== 功能跳转块 ===== */
        .jump-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .jump-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 160px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .jump-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 154, 0.4);
            box-shadow: var(--shadow-card);
        }

        .jump-icon {
            width: 60px;
            height: 60px;
            border-radius: 14px;
            background: rgba(0, 229, 154, 0.08);
            border: 1px solid rgba(0, 229, 154, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .jump-card:hover .jump-icon {
            background: rgba(0, 229, 154, 0.15);
            box-shadow: 0 0 16px rgba(0, 229, 154, 0.2);
        }

        .jump-body {
            flex: 1;
            min-width: 0;
        }

        .jump-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .jump-body p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .jump-arrow {
            font-size: 18px;
            color: var(--text-sub);
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .jump-card:hover .jump-arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        /* ===== 登录入口横幅 ===== */
        .login-banner-wrap {
            background: linear-gradient(120deg, rgba(0, 229, 154, 0.08) 0%, rgba(15, 29, 34, 0.4) 50%, rgba(255, 179, 71, 0.06) 100%);
            border: 1px solid rgba(120, 255, 210, 0.12);
            border-radius: 20px;
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            position: relative;
            overflow: hidden;
        }

        .login-banner-wrap::before {
            content: "";
            position: absolute;
            top: -40px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 229, 154, 0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .login-banner-left {
            flex: 1;
            position: relative;
            z-index: 2;
        }

        .login-banner-left h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .login-banner-left p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 24px;
        }

        .login-banner-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #071014;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
        }

        .btn-accent:hover {
            box-shadow: var(--shadow-accent-hover);
            transform: translateY(-2px);
            color: #071014;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 154, 0.04);
        }

        .login-banner-qr {
            flex-shrink: 0;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .qr-box {
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            font-size: 12px;
            margin: 0 auto 12px;
        }

        .qr-box::before {
            content: "";
            position: absolute;
            top: -6px;
            left: -6px;
            width: 20px;
            height: 20px;
            border-top: 3px solid var(--accent);
            border-left: 3px solid var(--accent);
            border-radius: 4px 0 0 0;
        }

        .qr-box::after {
            content: "";
            position: absolute;
            bottom: -6px;
            right: -6px;
            width: 20px;
            height: 20px;
            border-bottom: 3px solid var(--accent);
            border-right: 3px solid var(--accent);
            border-radius: 0 0 4px 0;
        }

        .qr-box i {
            font-size: 48px;
            opacity: 0.3;
        }

        .qr-tip {
            font-size: 13px;
            color: var(--text-sub);
        }

        /* ===== 登录流程板块 ===== */
        .process-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 12px;
        }

        .process-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(0, 229, 154, 0.25);
        }

        .process-card .card-img {
            height: 140px;
            overflow: hidden;
            position: relative;
        }

        .process-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .process-card:hover .card-img img {
            transform: scale(1.05);
        }

        .process-num {
            position: absolute;
            top: 12px;
            left: 12px;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #071014;
            font-weight: 800;
            font-size: 15px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
        }

        .process-body {
            padding: 20px;
        }

        .process-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .process-body p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ===== 内容列表 ===== */
        .content-list-wrap {
            background: var(--bg-secondary);
            border-radius: 20px;
            border: 1px solid var(--glass-border);
            padding: 32px;
        }

        .content-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 12px;
            border-bottom: 1px solid rgba(120, 255, 210, 0.06);
            transition: background var(--transition);
            border-radius: 8px;
        }

        .content-list-item:last-child {
            border-bottom: none;
        }

        .content-list-item:hover {
            background: rgba(0, 229, 154, 0.03);
        }

        .content-list-date {
            font-family: "SF Mono", "JetBrains Mono", monospace;
            font-size: 13px;
            color: var(--text-sub);
            flex-shrink: 0;
            min-width: 90px;
        }

        .content-list-tag {
            flex-shrink: 0;
            display: inline-block;
            background: rgba(0, 229, 154, 0.12);
            color: var(--accent);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 500;
        }

        .content-list-title {
            flex: 1;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .content-list-item:hover .content-list-title {
            color: var(--accent);
        }

        .content-list-arrow {
            color: var(--text-sub);
            font-size: 14px;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .content-list-item:hover .content-list-arrow {
            color: var(--accent);
            transform: translateX(3px);
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: rgba(0, 229, 154, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            user-select: none;
        }

        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--text-sub);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, margin-top 0.35s ease;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 180px;
            margin-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, rgba(0, 229, 154, 0.08), rgba(15, 29, 34, 0.2) 50%, rgba(255, 179, 71, 0.06));
            border-top: 1px solid rgba(120, 255, 210, 0.08);
            border-bottom: 1px solid rgba(120, 255, 210, 0.08);
            text-align: center;
            padding: 88px 0;
        }

        .cta-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-desc {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 480px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .page-footer {
            background: var(--bg-deeper);
            border-top: 1px solid rgba(0, 229, 154, 0.2);
            padding: 64px 0 28px;
            margin-left: var(--nav-width);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            color: var(--accent);
            background: rgba(0, 229, 154, 0.08);
        }

        .footer-brand-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            font-size: 15px;
            transition: all var(--transition);
        }

        .footer-social a:hover {
            color: var(--accent);
            border-color: var(--accent);
            background: rgba(0, 229, 154, 0.06);
        }

        .footer-column h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 18px;
            position: relative;
            padding-left: 12px;
        }

        .footer-column h4::before {
            content: "";
            position: absolute;
            left: 0;
            top: 3px;
            bottom: 3px;
            width: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-sub);
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .contact-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .contact-list li {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .contact-list li i {
            color: var(--accent);
            width: 16px;
            text-align: center;
            font-size: 13px;
        }

        .copyright {
            text-align: center;
            font-size: 13px;
            color: rgba(232, 240, 239, 0.35);
            border-top: 1px solid rgba(120, 255, 210, 0.08);
            padding-top: 24px;
            margin-top: 48px;
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1023px) {
            .side-nav {
                width: var(--nav-width-sm);
            }
            .side-nav .nav-item span,
            .side-nav .brand-mini-text {
                display: none;
            }
            .side-nav .nav-item {
                font-size: 14px;
                padding: 14px 6px;
            }
            .side-nav .nav-item i {
                font-size: 22px;
            }
            .main-wrapper {
                margin-left: var(--nav-width-sm);
            }
            .page-footer {
                margin-left: var(--nav-width-sm);
            }
        }

        @media screen and (max-width: 767px) {
            .side-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 60px;
            }
            .page-footer {
                margin-left: 0;
                padding-top: 40px;
            }
            .container-custom {
                padding: 0 20px;
            }
            .page-hero {
                padding: 40px 0 36px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-title-wrap h2 {
                font-size: 24px;
            }
            .jump-grid {
                grid-template-columns: 1fr;
            }
            .jump-card {
                height: auto;
                min-height: 140px;
                padding: 20px;
            }
            .login-banner-wrap {
                flex-direction: column;
                padding: 28px;
                gap: 24px;
            }
            .login-banner-left h2 {
                font-size: 22px;
            }
            .login-banner-actions {
                flex-direction: column;
            }
            .btn-accent,
            .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .qr-box {
                width: 140px;
                height: 140px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .process-cards {
                grid-template-columns: 1fr;
            }
            .content-list-wrap {
                padding: 16px;
            }
            .content-list-item {
                flex-wrap: wrap;
                gap: 8px;
                padding: 14px 8px;
            }
            .content-list-date {
                min-width: auto;
                font-size: 12px;
                width: 100%;
            }
            .content-list-tag {
                font-size: 11px;
            }
            .content-list-title {
                font-size: 14px;
                white-space: normal;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn-accent,
            .cta-actions .btn-ghost {
                width: 80%;
                justify-content: center;
            }
            .footer-column {
                margin-bottom: 24px;
            }
        }

        @media screen and (max-width: 520px) {
            .hero-metrics {
                gap: 20px;
            }
            .hero-metric .num {
                font-size: 20px;
            }
            .section-title-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb {
                font-size: 12px;
            }
        }

/* roulang page: article */
:root {
    --bg-main: #0A1418;
    --bg-secondary: #0F1D22;
    --bg-deep: #060C0E;
    --accent: #00E59A;
    --accent-hover: #2BD69A;
    --accent-soft: rgba(0,229,154,0.12);
    --amber: #FFB347;
    --text-main: #E8F0EF;
    --text-sub: rgba(232,240,239,0.55);
    --text-weak: rgba(232,240,239,0.35);
    --border-glass: rgba(120,255,210,0.12);
    --glass-bg: rgba(255,255,255,0.06);
    --radius-card: 16px;
    --radius-btn: 8px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 32px rgba(0,0,0,0.45);
    --shadow-glow: 0 0 20px rgba(0,229,154,0.35);
    --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-main);
    color: var(--text-main);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: #4FF5C4;
    text-decoration: none;
    transition: color 0.25s ease;
}

a:hover {
    color: var(--accent-hover);
}

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

input, textarea, button {
    font-family: var(--font-main);
    outline: none;
    border: none;
    background: none;
    color: inherit;
}

button {
    cursor: pointer;
}

ul, ol {
    list-style-position: inside;
}

/* ---------- 左侧导航 ---------- */
.site-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 92px;
    height: 100vh;
    background: rgba(15,29,34,0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid rgba(120,255,210,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0 28px;
    z-index: 300;
    transition: transform 0.3s ease;
}

.brand-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.brand-logo {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0;
    background: rgba(0,229,154,0.08);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.brand-logo:hover {
    box-shadow: 0 0 18px rgba(0,229,154,0.4);
    transform: scale(1.05);
    color: var(--accent);
}

.brand-sub {
    display: block;
    font-size: 9px;
    color: var(--text-sub);
    line-height: 1.35;
    text-align: center;
    padding: 0 6px;
    max-height: 4em;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.side-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 0 10px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 12px 6px;
    width: 100%;
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-sub);
    position: relative;
    transition: color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.nav-item i {
    font-size: 20px;
    transition: transform 0.25s ease;
}

.nav-item:hover {
    color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-1px);
}

.nav-item.active {
    color: var(--accent);
    background: rgba(0,229,154,0.1);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 28px;
    border-radius: 0 4px 4px 0;
    background: var(--accent);
}

.nav-social {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-social a {
    color: var(--text-weak);
    font-size: 16px;
    transition: color 0.25s ease;
}

.nav-social a:hover {
    color: var(--accent);
}

/* ---------- 移动端顶部栏 ---------- */
.mobile-topbar {
    display: none;
}

.nav-mask {
    display: none;
}

/* ---------- 主内容区 ---------- */
.main-wrap {
    margin-left: 92px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.article-page {
    flex: 1;
    padding: 48px 0 0;
}

.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--text-sub);
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--accent);
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--accent-hover);
}

.breadcrumb .sep {
    color: var(--text-weak);
}

.breadcrumb .crumb-current {
    color: var(--text-sub);
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- 文章头部 ---------- */
.article-header {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(10,20,24,0.92), rgba(15,29,34,0.82)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    border: 1px solid rgba(120,255,210,0.1);
    padding: 52px 56px;
    margin-bottom: 48px;
    box-shadow: var(--shadow-card);
}

.article-header-inner {
    max-width: 760px;
    margin: 0 auto;
}

.article-tag {
    display: inline-block;
    background: rgba(0,229,154,0.14);
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

.article-header h1 {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.3px;
    margin-bottom: 16px;
    color: var(--text-main);
}

.article-subhead {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 640px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-sub);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-item i {
    color: var(--accent);
    font-size: 14px;
}

/* ---------- 正文 ---------- */
.article-body {
    max-width: 760px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.9;
    color: rgba(232,240,239,0.92);
    padding-bottom: 16px;
}

.article-body > * {
    margin-bottom: 24px;
}

.article-body p {
    margin-bottom: 24px;
}

.article-body h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 44px 0 18px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    color: var(--text-main);
    line-height: 1.4;
}

.article-body h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 32px 0 14px;
    color: var(--text-main);
    line-height: 1.4;
}

.article-body h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 24px 0 12px;
    color: var(--text-main);
}

.article-body a {
    color: #4FF5C4;
    border-bottom: 1px solid rgba(79,245,196,0.3);
    transition: border-color 0.2s;
}

.article-body a:hover {
    border-bottom-color: var(--accent-hover);
    color: var(--accent-hover);
}

.article-body blockquote {
    border-left: 3px solid var(--accent);
    background: rgba(0,229,154,0.04);
    padding: 20px 26px;
    border-radius: 0 14px 14px 0;
    font-style: normal;
    color: rgba(232,240,239,0.85);
    margin: 28px 0;
}

.article-body blockquote p {
    margin-bottom: 0;
}

.article-body ul,
.article-body ol {
    padding-left: 24px;
    margin-bottom: 24px;
}

.article-body li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.article-body ul li::marker {
    color: var(--accent);
}

.article-body img {
    border-radius: 14px;
    width: 100%;
    margin: 28px 0;
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-card);
}

.article-body pre {
    background: #0B161A;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 18px 22px;
    overflow-x: auto;
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-main);
    margin: 28px 0;
}

.article-body code {
    font-family: 'JetBrains Mono', Consolas, monospace;
    background: rgba(0,229,154,0.1);
    color: #4FF5C4;
    padding: 2px 7px;
    border-radius: 5px;
    font-size: 0.88em;
}

.article-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
}

.article-body th,
.article-body td {
    padding: 12px 16px;
    border: 1px solid var(--border-glass);
    text-align: left;
    line-height: 1.6;
}

.article-body th {
    background: var(--bg-secondary);
    color: var(--text-main);
    font-weight: 600;
}

.article-body hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glass), transparent);
    margin: 40px 0;
}

/* ---------- 上一篇 / 下一篇 ---------- */
.prev-next {
    display: flex;
    gap: 24px;
    max-width: 760px;
    margin: 56px auto 0;
}

.pn-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 22px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-main);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.pn-card:hover {
    transform: translateY(-3px);
    border-color: rgba(0,229,154,0.35);
    box-shadow: var(--shadow-card);
    color: var(--text-main);
}

.pn-card i {
    font-size: 18px;
    color: var(--accent);
    flex-shrink: 0;
}

.pn-card.pn-next {
    justify-content: flex-end;
    text-align: right;
}

.pn-label {
    font-size: 12px;
    color: var(--text-sub);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: block;
    margin-bottom: 4px;
}

.pn-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    display: block;
}

/* ---------- 相关推荐 ---------- */
.related-section {
    margin-top: 88px;
    padding-top: 56px;
    border-top: 1px solid rgba(120,255,210,0.08);
}

.related-section .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.related-section h2 {
    font-size: 32px;
    font-weight: 700;
    position: relative;
    padding-left: 14px;
    margin: 0;
}

.related-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 28px;
    border-radius: 4px;
    background: var(--accent);
}

.section-en {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 12px;
    color: var(--text-weak);
    letter-spacing: 0.08em;
}

.related-card {
    display: block;
    background: var(--glass-bg);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-card);
    overflow: hidden;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-main);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    height: 100%;
}

.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0,229,154,0.35);
    box-shadow: var(--shadow-card);
    color: var(--text-main);
}

.related-cover {
    height: 168px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-card:hover .related-cover img {
    transform: scale(1.05);
}

.related-info {
    padding: 18px 20px 20px;
}

.related-info h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 8px;
    color: var(--text-main);
}

.related-date {
    font-size: 12px;
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 6px;
}

.related-date i {
    color: var(--accent);
    font-size: 12px;
}

/* ---------- 评论区 ---------- */
.comment-section {
    max-width: 760px;
    margin: 88px auto 0;
    padding: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.comment-section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.comment-section h2 i {
    color: var(--accent);
    font-size: 20px;
}

.comment-box textarea {
    width: 100%;
    height: 96px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-main);
    resize: vertical;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.comment-box textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(0,229,154,0.25);
}

.comment-box textarea::placeholder {
    color: var(--text-weak);
}

.comment-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    gap: 16px;
    flex-wrap: wrap;
}

.comment-note {
    font-size: 13px;
    color: var(--text-sub);
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    background: var(--accent);
    color: #062018;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: box-shadow 0.25s ease, transform 0.25s ease, background 0.25s ease;
    gap: 8px;
}

.btn-accent:hover {
    box-shadow: 0 0 32px rgba(0,229,154,0.6);
    transform: translateY(-2px);
    background: var(--accent-hover);
    color: #062018;
}

.btn-accent:active {
    transform: scale(0.97);
}

.btn-accent:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* ---------- 空态 ---------- */
.article-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 480px;
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.article-empty i {
    font-size: 54px;
    color: var(--text-weak);
    margin-bottom: 20px;
}

.article-empty p {
    font-size: 18px;
    color: var(--text-sub);
    margin-bottom: 24px;
}

/* ---------- 页脚 ---------- */
.page-footer {
    background: #060C0E;
    border-top: 1px solid rgba(120,255,210,0.2);
    padding: 72px 0 32px;
    margin-top: 96px;
}

.page-footer .grid-container {
    max-width: 1200px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    background: rgba(0,229,154,0.08);
    flex-shrink: 0;
}

.footer-brand-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.footer-desc {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-sub);
    font-size: 15px;
    transition: all 0.25s ease;
}

.footer-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    font-size: 14px;
    color: var(--text-sub);
    transition: color 0.2s, padding-left 0.2s;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.contact-list {
    list-style: none;
    padding: 0;
}

.contact-list li {
    font-size: 14px;
    color: var(--text-sub);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-list i {
    color: var(--accent);
    font-size: 13px;
    width: 16px;
}

.copyright {
    text-align: center;
    font-size: 13px;
    color: var(--text-weak);
    padding-top: 32px;
    margin-top: 48px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) and (max-width: 1023px) {
    .site-nav {
        width: 72px;
    }

    .brand-sub {
        display: none;
    }

    .nav-item span {
        display: none;
    }

    .nav-item {
        padding: 14px 0;
    }

    .nav-item i {
        font-size: 22px;
    }

    .nav-item {
        position: relative;
    }

    .nav-item:hover span {
        display: block;
        position: absolute;
        left: 62px;
        top: 50%;
        transform: translateY(-50%);
        background: var(--bg-secondary);
        color: var(--accent);
        padding: 6px 12px;
        border-radius: 6px;
        font-size: 12px;
        white-space: nowrap;
        border: 1px solid var(--border-glass);
        box-shadow: var(--shadow-card);
        z-index: 400;
    }

    .main-wrap {
        margin-left: 72px;
    }

    .brand-logo {
        width: 38px;
        height: 38px;
        font-size: 14px;
    }
}

@media (max-width: 767px) {
    .mobile-topbar {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: rgba(15,29,34,0.96);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        z-index: 200;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
        border-bottom: 1px solid rgba(120,255,210,0.12);
    }

    .mobile-brand {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-main);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .mobile-brand::before {
        content: '华体';
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        border: 1.5px solid var(--accent);
        color: var(--accent);
        font-size: 11px;
        font-weight: 800;
    }

    .menu-toggle {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        border: 1px solid var(--border-glass);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-main);
        font-size: 18px;
        background: rgba(255,255,255,0.04);
        transition: border-color 0.25s ease, color 0.25s ease;
    }

    .menu-toggle:hover {
        border-color: var(--accent);
        color: var(--accent);
    }

    .site-nav {
        width: 82%;
        max-width: 300px;
        transform: translateX(-100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 8px 0 40px rgba(0,0,0,0.6);
    }

    .site-nav.open {
        transform: translateX(0);
    }

    .nav-mask {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.65);
        backdrop-filter: blur(2px);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 250;
    }

    .nav-mask.show {
        opacity: 1;
        visibility: visible;
    }

    .main-wrap {
        margin-left: 0;
        padding-top: 60px;
    }

    .article-page {
        padding-top: 32px;
    }

    .grid-container {
        padding: 0 20px;
    }

    .breadcrumb {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .breadcrumb .crumb-current {
        max-width: 160px;
    }

    .article-header {
        padding: 32px 24px;
        border-radius: 14px;
    }

    .article-header h1 {
        font-size: 26px;
        line-height: 1.4;
    }

    .article-subhead {
        font-size: 14px;
    }

    .article-meta {
        gap: 14px;
        font-size: 13px;
    }

    .article-body {
        font-size: 15px;
        line-height: 1.85;
    }

    .article-body h2 {
        font-size: 19px;
    }

    .article-body h3 {
        font-size: 17px;
    }

    .prev-next {
        flex-direction: column;
        gap: 14px;
        margin-top: 40px;
    }

    .pn-card {
        padding: 18px 20px;
    }

    .related-section {
        margin-top: 56px;
        padding-top: 40px;
    }

    .related-section h2 {
        font-size: 24px;
    }

    .related-cover {
        height: 140px;
    }

    .comment-section {
        padding: 24px 20px;
        margin-top: 56px;
    }

    .comment-section h2 {
        font-size: 18px;
    }

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

    .btn-accent {
        width: 100%;
    }

    .page-footer {
        padding: 48px 0 24px;
        margin-top: 64px;
    }

    .footer-column {
        margin-bottom: 28px;
    }
}

@media (max-width: 520px) {
    .grid-container {
        padding: 0 16px;
    }

    .article-header {
        padding: 28px 20px;
    }

    .article-header h1 {
        font-size: 22px;
    }
}

/* roulang page: category2 */
:root {
            --bg: #0A1418;
            --bg-2: #0F1D22;
            --bg-deep: #060C0E;
            --card: rgba(255, 255, 255, 0.06);
            --card-border: rgba(120, 255, 210, 0.12);
            --primary: #00E59A;
            --primary-hover: #2BD69A;
            --accent: #FFB347;
            --text: #E8F0EF;
            --text-dim: rgba(232, 240, 239, 0.55);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            --glow: 0 0 20px rgba(0, 229, 154, 0.35);
            --side-w: 92px;
            --side-w-tablet: 72px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary-hover);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--side-w);
            background: rgba(15, 29, 34, 0.92);
            backdrop-filter: blur(16px);
            border-right: 1px solid rgba(120, 255, 210, 0.1);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            align-items: center;
            transition: transform .25s ease;
        }
        .brand-block {
            width: 100%;
            min-height: 120px;
            padding: 18px 0 14px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid rgba(0, 229, 154, 0.55);
            box-shadow: 0 0 12px rgba(0, 229, 154, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--primary);
            background: rgba(0, 229, 154, 0.06);
            flex-shrink: 0;
        }
        .brand-text {
            writing-mode: vertical-rl;
            font-size: 11px;
            letter-spacing: 3px;
            color: rgba(232, 240, 239, 0.7);
            font-weight: 600;
            line-height: 1.4;
        }
        .side-nav-links {
            width: 100%;
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 20px 10px;
        }
        .nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            padding: 14px 10px;
            border-radius: 12px;
            color: rgba(232, 240, 239, 0.65);
            font-size: 12px;
            text-align: center;
            position: relative;
            transition: all .25s ease;
        }
        .nav-item i {
            font-size: 20px;
        }
        .nav-item span {
            writing-mode: vertical-rl;
            letter-spacing: 2px;
            font-weight: 500;
        }
        .nav-item:hover {
            color: var(--primary);
            background: rgba(0, 229, 154, 0.06);
        }
        .nav-item:hover i {
            text-shadow: 0 0 10px rgba(0, 229, 154, 0.6);
        }
        .nav-item.active {
            color: var(--primary);
        }
        .nav-item.active::before {
            content: "";
            position: absolute;
            left: -10px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            border-radius: 3px;
            background: var(--primary);
            box-shadow: 0 0 10px rgba(0, 229, 154, 0.8);
        }
        .side-bottom {
            margin-top: auto;
            padding: 16px 0 24px;
            text-align: center;
        }
        .side-copyright {
            font-size: 10px;
            color: rgba(232, 240, 239, 0.35);
            writing-mode: vertical-rl;
            letter-spacing: 2px;
        }

        .topbar {
            display: none;
        }
        .menu-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity .2s ease, visibility .2s ease;
        }
        .menu-mask.show {
            opacity: 1;
            visibility: visible;
        }

        .main-wrap {
            margin-left: var(--side-w);
            min-height: 100vh;
        }
        .main-wrap .grid-container {
            max-width: 1160px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .cat-hero {
            padding: 64px 0 72px;
            background: linear-gradient(135deg, rgba(15, 29, 34, 0.92), rgba(10, 20, 24, 0.5)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(120, 255, 210, 0.08);
            position: relative;
            overflow: hidden;
        }
        .cat-hero::before,
        .cat-hero::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            filter: blur(80px);
            opacity: .12;
            z-index: 0;
            pointer-events: none;
        }
        .cat-hero::before {
            background: var(--primary);
            top: -60px;
            right: 10%;
            animation: float 18s ease-in-out infinite;
        }
        .cat-hero::after {
            background: var(--accent);
            bottom: -80px;
            left: 5%;
            animation: float 22s ease-in-out infinite reverse;
        }
        @keyframes float {
            0%,
            100% {
                transform: translate(0, 0);
            }
            50% {
                transform: translate(30px, -20px);
            }
        }
        .cat-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            font-size: 13px;
            color: rgba(232, 240, 239, 0.5);
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 10px;
            align-self: center;
            opacity: .6;
        }
        .cat-hero h1 {
            font-size: 40px;
            font-weight: 700;
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .cat-hero .subline {
            font-size: 15px;
            color: var(--text-dim);
            max-width: 680px;
            line-height: 1.8;
        }

        .section {
            padding: 80px 0;
        }
        .section-head {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 40px;
        }
        .sec-no {
            font: italic 12px Georgia, "Times New Roman", serif;
            color: rgba(232, 240, 239, 0.4);
            letter-spacing: 2px;
            flex-shrink: 0;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            position: relative;
            padding-left: 18px;
            margin: 0;
        }
        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 4px;
            border-radius: 4px;
            background: var(--primary);
            box-shadow: 0 0 12px rgba(0, 229, 154, 0.5);
        }

        .feature-index-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(120, 255, 210, 0.1);
            transition: all .25s ease;
            height: 100%;
        }
        .feature-index-card:hover {
            transform: translateY(-4px);
            border-color: rgba(120, 255, 210, 0.25);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
        }
        .idx-img {
            position: relative;
            height: 260px;
            overflow: hidden;
        }
        .idx-large .idx-img {
            height: 320px;
        }
        .idx-small .idx-img {
            height: 200px;
        }
        .idx-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-index-card:hover .idx-img img {
            transform: scale(1.05);
        }
        .idx-tag {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: var(--primary);
            color: #05100B;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            letter-spacing: .5px;
        }
        .idx-body {
            padding: 24px;
        }
        .idx-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .idx-body p {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.7;
        }
        .idx-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
        }
        .idx-link i {
            font-size: 12px;
            transition: transform .25s ease;
        }
        .idx-link:hover i {
            transform: translateX(4px);
        }

        .mini-section {
            background: var(--bg-2);
        }
        .mini-grid .cell {
            margin-bottom: 24px;
        }
        .mini-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(120, 255, 210, 0.1);
            height: 100%;
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }
        .mini-card:hover {
            transform: translateY(-4px);
            border-color: rgba(120, 255, 210, 0.22);
            box-shadow: var(--shadow);
        }
        .mini-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--bg-2);
        }
        .mini-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .mini-card:hover .mini-img img {
            transform: scale(1.05);
        }
        .mini-body {
            padding: 18px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .mini-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .mini-body p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .mini-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            font-size: 12px;
            color: rgba(232, 240, 239, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 12px;
        }
        .mini-meta i {
            color: var(--primary);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            padding: 28px 24px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            transition: all .25s ease;
            position: relative;
        }
        .step-card:hover {
            background: rgba(0, 229, 154, 0.06);
            border-color: rgba(120, 255, 210, 0.2);
            transform: translateY(-4px);
        }
        .step-num {
            font: italic 28px Georgia, "Times New Roman", serif;
            color: var(--accent);
            opacity: .8;
        }
        .step-card h3 {
            font-size: 16px;
            margin: 14px 0 8px;
            font-weight: 600;
        }
        .step-card p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.7;
        }

        .faq-section {
            background: var(--bg-deep);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 920px;
        }
        .faq-item {
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            overflow: hidden;
            transition: border-color .25s ease;
        }
        .faq-item.open {
            border-color: rgba(120, 255, 210, 0.2);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            user-select: none;
        }
        .faq-q .plus {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(120, 255, 210, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
            font-size: 13px;
        }
        .faq-item.open .plus {
            transform: rotate(45deg);
            background: rgba(0, 229, 154, 0.1);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-a-inner {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.75;
        }

        .cta-strip {
            padding: 72px 0;
            background: linear-gradient(135deg, rgba(0, 229, 154, 0.1), rgba(255, 179, 71, 0.05));
            text-align: center;
            border-top: 1px solid rgba(120, 255, 210, 0.1);
        }
        .cta-strip h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-strip p {
            color: var(--text-dim);
            margin-bottom: 28px;
            font-size: 15px;
        }
        .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all .25s ease;
            border: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #05100B;
            box-shadow: var(--glow);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 0 32px rgba(0, 229, 154, 0.6);
            color: #05100B;
            transform: translateY(-2px);
        }
        .btn-ghost {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text);
            background: transparent;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .page-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(0, 229, 154, 0.2);
            padding: 56px 0 24px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .footer-logo {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(0, 229, 154, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 13px;
            color: var(--primary);
            background: rgba(0, 229, 154, 0.06);
            flex-shrink: 0;
        }
        .footer-brand-name {
            font-size: 16px;
            font-weight: 600;
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(232, 240, 239, 0.5);
            max-width: 280px;
            margin-bottom: 18px;
            line-height: 1.7;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(232, 240, 239, 0.6);
            font-size: 14px;
            transition: all .25s ease;
        }
        .footer-social a:hover {
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-column h4 {
            font-size: 15px;
            margin-bottom: 14px;
            color: var(--text);
            font-weight: 600;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: rgba(232, 240, 239, 0.55);
            transition: color .25s ease;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .contact-list {
            list-style: none;
        }
        .contact-list li {
            font-size: 13px;
            color: rgba(232, 240, 239, 0.5);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .contact-list i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .copyright {
            text-align: center;
            font-size: 12px;
            color: rgba(232, 240, 239, 0.35);
            margin-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            :root {
                --side-w: 72px;
            }
            .side-nav {
                width: 72px;
            }
            .main-wrap {
                margin-left: 72px;
            }
            .brand-text,
            .nav-item span {
                display: none;
            }
            .brand-block {
                min-height: 100px;
            }
            .nav-item {
                padding: 16px 8px;
            }
            .nav-item:hover span {
                display: inline-block;
                position: absolute;
                left: 70px;
                top: 50%;
                transform: translateY(-50%);
                background: var(--bg-2);
                border: 1px solid rgba(120, 255, 210, 0.18);
                padding: 6px 12px;
                border-radius: 8px;
                font-size: 13px;
                white-space: nowrap;
                width: auto;
                writing-mode: initial;
                letter-spacing: normal;
                box-shadow: var(--shadow);
                z-index: 60;
            }
            .nav-item.active::before {
                left: -8px;
            }
            .side-copyright {
                font-size: 9px;
            }
        }

        @media (max-width: 767px) {
            .side-nav {
                width: 280px;
                transform: translateX(-100%);
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .brand-block {
                min-height: 80px;
                flex-direction: row;
                justify-content: flex-start;
                gap: 12px;
                padding: 16px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .brand-text {
                writing-mode: initial;
                letter-spacing: 0;
                font-size: 14px;
                color: var(--text);
                font-weight: 600;
            }
            .nav-item {
                flex-direction: row;
                justify-content: flex-start;
                gap: 12px;
                font-size: 14px;
                padding: 15px 20px;
                border-radius: 0;
            }
            .nav-item span {
                writing-mode: initial;
                letter-spacing: 0;
                font-weight: 500;
            }
            .nav-item.active::before {
                left: 0;
                top: auto;
                bottom: 0;
                width: auto;
                height: 3px;
            }
            .side-bottom {
                display: none;
            }
            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }
            .topbar {
                display: flex;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                height: 60px;
                z-index: 1200;
                background: rgba(15, 29, 34, 0.96);
                backdrop-filter: blur(12px);
                border-bottom: 1px solid rgba(120, 255, 210, 0.1);
                padding: 0 16px;
                align-items: center;
                justify-content: space-between;
            }
            .topbar-brand {
                display: flex;
                align-items: center;
                gap: 8px;
                color: var(--text);
            }
            .topbar-brand .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .topbar-name {
                font-size: 14px;
                font-weight: 600;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
                max-width: 190px;
            }
            .menu-toggle {
                width: 38px;
                height: 38px;
                border-radius: 10px;
                border: 1px solid rgba(255, 255, 255, 0.15);
                background: rgba(255, 255, 255, 0.04);
                color: var(--text);
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 16px;
                transition: all .25s ease;
            }
            .menu-toggle:hover {
                color: var(--primary);
                border-color: var(--primary);
            }
            .cat-hero {
                padding: 40px 0 48px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .cat-hero .subline {
                font-size: 14px;
            }
            .breadcrumb {
                font-size: 12px;
                margin-bottom: 18px;
            }
            .section {
                padding: 48px 0;
            }
            .section-head {
                margin-bottom: 28px;
                gap: 10px;
            }
            .section-head h2 {
                font-size: 22px;
                padding-left: 14px;
            }
            .sec-no {
                font-size: 10px;
            }
            .feature-index-card .idx-img {
                height: 200px;
            }
            .idx-large .idx-img {
                height: 220px;
            }
            .idx-small .idx-img {
                height: 180px;
            }
            .idx-body {
                padding: 20px;
            }
            .idx-body h3 {
                font-size: 18px;
            }
            .idx-body p {
                font-size: 13px;
            }
            .mini-img {
                aspect-ratio: 16 / 10;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px;
            }
            .faq-q {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-a-inner {
                padding: 0 18px 16px;
                font-size: 13px;
            }
            .cta-strip {
                padding: 48px 0;
            }
            .cta-strip h2 {
                font-size: 22px;
            }
            .btn-group .btn {
                width: 100%;
                justify-content: center;
                height: 52px;
            }
            .page-footer {
                padding: 40px 0 20px;
            }
            .footer-column {
                margin-bottom: 24px;
            }
            .copyright {
                font-size: 11px;
                margin-top: 24px;
            }
        }

        @media (max-width: 400px) {
            .topbar-name {
                max-width: 150px;
                font-size: 13px;
            }
            .main-wrap .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }