/* roulang page: index */
:root {
    --primary: #00D9A5;
    --primary-dark: #00B884;
    --accent: #FF6A3D;
    --accent-hover: #FF8258;
    --accent-deep: #E85A2C;
    --yellow: #FFD84D;
    --dark: #10151C;
    --dark-deep: #0B1016;
    --bg: #F5F7FA;
    --card: #FFFFFF;
    --text: #111827;
    --text-body: #3B4653;
    --text-sub: #697586;
    --text-deep: #E7ECF3;
    --text-dim: #93A0AF;
    --border: #E4E9F0;
    --border-dark: rgba(255, 255, 255, 0.08);
    --radius-card: 16px;
    --radius-lg: 20px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 12px rgba(16, 24, 40, 0.04);
    --shadow-lg: 0 12px 32px -8px rgba(16, 24, 40, 0.14);
    --shadow-dark: 0 20px 50px -12px rgba(0, 0, 0, 0.45);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    line-height: 1.8;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

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

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

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 3px solid rgba(0, 217, 165, 0.35);
    outline-offset: 3px;
    border-radius: 8px;
}

/* 容器 */
.container-site {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .container-site {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1280px) {
    .container-site {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* 全局按钮 */
.btn-accent {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    background: var(--accent);
    color: #fff;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 6px 18px rgba(255, 106, 61, 0.28);
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(255, 106, 61, 0.36);
}

.btn-accent:active {
    transform: translateY(0);
}

.btn-ghost-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-ghost-dark:hover {
    border-color: var(--text-sub);
    background: #fff;
}

.btn-ghost-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 28px;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-pill);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-ghost-light:hover {
    background: #fff;
    color: #0B1016;
    border-color: #fff;
}

.btn-line {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-dark);
    padding: 8px 0;
    border: none;
    background: transparent;
    cursor: pointer;
    transition: gap 0.2s ease, color 0.2s ease;
}

.btn-line:hover {
    color: var(--primary-dark);
    gap: 10px;
}

.btn-line svg {
    width: 16px;
    height: 16px;
}

/* 标签 */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(0, 217, 165, 0.12);
    color: #00A981;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    letter-spacing: 0.02em;
}

.section-head {
    max-width: 720px;
    margin-bottom: 2.5rem;
}

.section-head h2 {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    margin: 14px 0 10px;
}

.section-head p {
    color: var(--text-sub);
    font-size: 1rem;
    line-height: 1.8;
    margin: 0;
}

/* 侧边栏 */
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 264px;
    background: var(--dark-deep);
    border-right: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    z-index: 999;
}

.sidebar-logo {
    height: 72px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-dark);
}

.logo-mark {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #0B1016;
    font-size: 22px;
    font-weight: 800;
    line-height: 1;
    font-family: "Inter", "PingFang SC", sans-serif;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
}

.logo-line1 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
}

.logo-line2 {
    color: var(--text-dim);
    font-size: 0.75rem;
    margin-top: 3px;
}

.sidebar-nav {
    flex: 1;
    padding: 18px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.nav-label {
    font-size: 0.75rem;
    color: #5A6675;
    padding: 8px 12px 4px;
    letter-spacing: 0.08em;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    height: 44px;
    padding: 0 14px;
    border-radius: 10px;
    color: #AAB3BF;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: background 0.18s ease, color 0.18s ease;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    stroke-width: 1.5;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #FFF;
}

.nav-item.active {
    background: rgba(0, 217, 165, 0.12);
    color: #fff;
    font-weight: 600;
}

.nav-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    border-radius: 0 4px 4px 0;
    background: var(--primary);
}

.sidebar-footer {
    padding: 18px 20px;
    border-top: 1px solid var(--border-dark);
}

.sidebar-footer .tips {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text-dim);
    font-size: 0.8rem;
    line-height: 1.7;
}

/* 移动端顶部栏 */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background: var(--dark-deep);
    border-bottom: 1px solid var(--border-dark);
    z-index: 1100;
}

.mobile-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}

.mobile-brand .logo-mark {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
    font-size: 16px;
    border-radius: 8px;
}

.mobile-brand-text {
    font-weight: 700;
    font-size: 0.95rem;
}

.mobile-menu-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    color: #E7ECF3;
    cursor: pointer;
    transition: background 0.2s;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 12, 0.6);
    z-index: 1200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(320px, 86vw);
    background: var(--dark-deep);
    z-index: 1210;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mobile-drawer.open {
    transform: translateX(0);
}

.drawer-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-dark);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 24px;
}

.drawer-nav .nav-item {
    color: #BBC4D0;
}

.drawer-tips {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-dark);
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Hero */
.hero-section {
    background: var(--dark);
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 90px 0 80px;
}

.hero-bg-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(11, 16, 22, 0.96) 0%, rgba(16, 21, 28, 0.82) 60%, rgba(16, 21, 28, 0.62) 100%);
}

.hero-dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: 0.5;
}

.hero-watermark {
    position: absolute;
    right: -0.08em;
    top: -0.12em;
    font-size: clamp(180px, 30vw, 420px);
    font-weight: 800;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #CFF9EE;
    font-size: 0.875rem;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin: 20px 0 16px;
}

.hero-sub {
    color: #9AA7B4;
    font-size: 1.0625rem;
    line-height: 1.8;
    max-width: 520px;
    margin: 0;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, max-content);
    gap: 28px;
    margin-top: 32px;
}

.hero-stats .num {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
}

.hero-stats .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 2px;
}

.vertical-card-wrap {
    position: relative;
    max-width: 270px;
    width: 92%;
    margin-left: auto;
    margin-right: auto;
}

.vertical-card-back {
    position: absolute;
    top: 18px;
    left: 18px;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: rotate(6deg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: #1D2833;
}

.vertical-card-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.vertical-card {
    position: relative;
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-dark);
}

.vertical-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vertical-card-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(9, 12, 16, 0) 0%, rgba(9, 12, 16, 0.25) 55%, rgba(9, 12, 16, 0.88) 100%);
}

.vertical-card-foot {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 18px;
}

.hot-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--yellow);
}

.video-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-top: 6px;
}

.video-sub {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 4px;
}

/* 口碑滚动 */
.marquee-section {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}

.marquee-wrap {
    overflow: hidden;
}

.marquee-track {
    display: flex;
    align-items: center;
    gap: 14px;
    width: max-content;
    animation: marqueeMove 36s linear infinite;
}

.marquee-wrap:hover .marquee-track {
    animation-play-state: paused;
}

@keyframes marqueeMove {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.review-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
    padding: 10px 18px;
    white-space: nowrap;
    font-size: 0.9rem;
    color: var(--text-body);
}

.stars {
    color: #FFB928;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

/* 爆款区 */
.card-section {
    padding: 80px 0;
}

.card-grid-vertical {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 640px) {
    .card-grid-vertical {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .card-grid-vertical {
        grid-template-columns: repeat(3, 1fr);
    }
}

.video-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.video-cover {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: #1D2833;
}

.video-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.video-duration {
    position: absolute;
    right: 12px;
    bottom: 12px;
    background: rgba(11, 16, 22, 0.8);
    color: #fff;
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}

.video-hover-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 16, 22, 0.35);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.video-card:hover .video-hover-btn {
    opacity: 1;
}

.video-hover-btn .play-circle {
    width: 52px;
    height: 52px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-info {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.video-info h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.45;
    margin: 0;
}

.video-heat {
    color: var(--text-sub);
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

/* 种草清单 */
.guide-section {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.guide-list {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.guide-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 28px 4px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

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

.guide-num {
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1;
    color: var(--primary);
    font-family: "Inter", "PingFang SC", sans-serif;
    -webkit-text-stroke: 1px var(--primary);
    -webkit-text-fill-color: transparent;
    min-width: 76px;
}

.guide-content {
    flex: 1;
    min-width: 240px;
}

.guide-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 6px;
}

.guide-content p {
    color: var(--text-sub);
    font-size: 0.95rem;
    margin: 0;
    max-width: 600px;
}

.guide-tags {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.chip {
    background: #F0F3F7;
    color: var(--text-sub);
    border-radius: var(--radius-pill);
    padding: 3px 12px;
    font-size: 0.8rem;
}

.chip.yellow {
    background: rgba(255, 216, 77, 0.18);
    color: #8A6D00;
}

.chip.green {
    background: rgba(0, 217, 165, 0.13);
    color: #008F6E;
}

.guide-action {
    display: flex;
    align-items: center;
}

/* 资讯区 */
.news-section {
    padding: 80px 0;
}

.news-list {
    max-width: 1000px;
    border-radius: var(--radius-card);
    background: #fff;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.news-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 22px;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease;
}

.news-row:last-child {
    border-bottom: none;
}

.news-row:hover {
    background: #FAFCFB;
}

.news-thumb {
    width: 72px;
    height: 52px;
    flex: 0 0 72px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 217, 165, 0.12), rgba(255, 106, 61, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    border: 1px solid rgba(0, 217, 165, 0.18);
}

.news-main {
    flex: 1;
    min-width: 0;
}

.news-main h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 4px;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-main p {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-badge {
    font-size: 0.75rem;
    background: rgba(0, 217, 165, 0.12);
    color: #008F6E;
    border-radius: var(--radius-pill);
    padding: 4px 12px;
    white-space: nowrap;
}

.news-time {
    font-size: 0.8rem;
    color: var(--text-sub);
    white-space: nowrap;
}

.news-empty {
    padding: 52px 24px;
    text-align: center;
    color: var(--text-sub);
    font-size: 0.95rem;
}

/* FAQ */
.faq-section {
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 80px 0;
}

.faq-list {
    max-width: 860px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-item:first-child {
    border-top: 1px solid var(--border);
}

.faq-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 4px;
    cursor: pointer;
    list-style: none;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text);
    transition: color 0.2s ease;
}

.faq-summary::-webkit-details-marker {
    display: none;
}

.faq-summary:hover {
    color: var(--primary-dark);
}

.faq-arrow {
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
    color: #A5B0BC;
    transition: transform 0.25s ease, color 0.25s ease;
}

.faq-item[open] .faq-arrow {
    transform: rotate(90deg);
    color: var(--primary);
}

.faq-answer {
    padding: 0 44px 22px 4px;
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.85;
}

/* CTA */
.cta-section {
    background: var(--dark);
    position: relative;
    overflow: hidden;
    padding: 68px 0;
    color: #fff;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.18;
}

.cta-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.cta-inner h2 {
    font-size: clamp(1.4rem, 3vw, 2.1rem);
    font-weight: 700;
    margin: 0 0 10px;
}

.cta-inner p {
    color: #AAB3BF;
    margin: 0;
    max-width: 580px;
}

.cta-qr {
    width: 110px;
    height: 110px;
    border-radius: 18px;
    border: 1.5px dashed rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 110px;
    background: #fff;
    color: var(--text-sub);
    font-size: 0.75rem;
    text-align: center;
    padding: 8px;
    line-height: 1.5;
}

/* Footer */
.site-footer {
    background: var(--dark-deep);
    color: var(--text-dim);
    padding: 56px 0 36px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1.2fr;
    }
}

.footer-brand h3 {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 8px;
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.8;
    margin: 0;
    max-width: 360px;
}

.footer-title {
    color: #E7ECF3;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
}

.footer-links a {
    color: var(--text-dim);
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    margin-top: 54px;
    padding-top: 24px;
    border-top: 1px solid var(--border-dark);
    font-size: 0.8rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
}

@media (max-width: 1023px) {
    .sidebar {
        display: none;
    }

    .main-with-sidebar {
        padding-top: 56px;
    }
}

@media (min-width: 1024px) {
    .mobile-header {
        display: none;
    }

    .main-with-sidebar {
        margin-left: 264px;
    }
}

@media (max-width: 639px) {
    .hero-stats {
        gap: 16px;
    }

    .hero-stats .num {
        font-size: 1.35rem;
    }

    .news-row {
        flex-wrap: wrap;
        padding: 16px;
    }

    .news-main h4,
    .news-main p {
        white-space: normal;
    }

    .news-time {
        width: 100%;
        padding-left: 90px;
    }

    .guide-item {
        gap: 14px;
    }

    .guide-num {
        min-width: 50px;
        font-size: 2.1rem;
    }

    .faq-answer {
        padding-right: 0;
    }

    .cta-inner {
        justify-content: center;
        text-align: center;
    }

    .cta-qr {
        margin: 0 auto;
    }
}

/* roulang page: article */
:root {
        --neon: #00D9A5;
        --neon-dark: #00B884;
        --coral: #FF6A3D;
        --coral-light: #FF8560;
        --yellow: #FFD84D;
        --ink: #10151C;
        --ink-deep: #0B1016;
        --bg: #F5F7FA;
        --card: #FFFFFF;
        --read-bg: #FCFDFB;
        --title: #111827;
        --text: #3B4653;
        --text-dim: #697586;
        --text-weak: #93A0AF;
        --border: #E4E9F0;
        --shadow-1: 0 1px 2px rgba(16,24,40,0.04), 0 4px 12px rgba(16,24,40,0.04);
        --shadow-2: 0 12px 32px -8px rgba(16,24,40,0.14);
        --radius-lg: 20px;
        --radius-md: 16px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.8;
        font-size: 16px;
    }
    .app-shell { display: flex; min-height: 100vh; }
    .sidebar {
        width: 264px;
        background: var(--ink-deep);
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 100;
        display: flex;
        flex-direction: column;
        border-right: 1px solid rgba(255,255,255,0.08);
        overflow-y: auto;
    }
    .sidebar-logo {
        height: 72px;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 0 20px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        flex-shrink: 0;
    }
    .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: rgba(0, 217, 165, 0.12);
        border: 1px solid rgba(0, 217, 165, 0.35);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--neon);
        font-size: 18px;
        font-weight: 700;
        flex-shrink: 0;
    }
    .logo-text { line-height: 1.3; }
    .logo-text strong {
        display: block;
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.02em;
        white-space: nowrap;
    }
    .logo-text span {
        font-size: 11px;
        color: var(--text-weak);
        letter-spacing: 0.06em;
        white-space: nowrap;
    }
    .sidebar-nav { padding: 24px 14px; flex: 1; }
    .nav-label {
        font-size: 11px;
        color: #5A6572;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        padding: 0 10px 10px;
        font-weight: 500;
    }
    .nav-item {
        display: flex;
        align-items: center;
        gap: 12px;
        height: 44px;
        padding: 0 12px;
        border-radius: 10px;
        color: #AAB4C0;
        font-size: 14px;
        text-decoration: none;
        transition: all 0.2s ease;
        margin-bottom: 4px;
        position: relative;
        font-weight: 500;
    }
    .nav-item svg { width: 20px; height: 20px; flex-shrink: 0; opacity: 0.85; }
    .nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
    .nav-item.active {
        background: rgba(0, 217, 165, 0.08);
        color: #fff;
    }
    .nav-item.active::before {
        content: '';
        position: absolute;
        left: -14px;
        top: 10px;
        bottom: 10px;
        width: 3px;
        border-radius: 0 3px 3px 0;
        background: var(--neon);
    }
    .nav-item.active svg { color: var(--neon); opacity: 1; }
    .sidebar-note {
        padding: 16px 20px;
        border-top: 1px solid rgba(255,255,255,0.06);
        font-size: 12px;
        color: #677380;
        line-height: 1.7;
    }
    .main-wrap { flex: 1; margin-left: 264px; display: flex; flex-direction: column; min-height: 100vh; }
    .mobile-header {
        display: none;
        background: var(--ink-deep);
        height: 56px;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
        position: sticky;
        top: 0;
        z-index: 200;
    }
    .mobile-logo { color: #fff; font-weight: 600; font-size: 15px; text-decoration: none; display: flex; align-items: center; gap: 8px; }
    .mobile-logo .logo-icon { width: 30px; height: 30px; font-size: 14px; }
    .burger-btn { background: none; border: none; color: #fff; cursor: pointer; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 10px; }
    .burger-btn:hover { background: rgba(255,255,255,0.08); }
    .mobile-menu {
        display: none;
        background: var(--ink-deep);
        padding: 10px 16px 24px;
        border-top: 1px solid rgba(255,255,255,0.06);
    }
    .mobile-menu.open { display: block; }
    .mobile-menu .nav-item { padding: 0 16px; }
    .mobile-menu .nav-item.active::before { left: 0; }
    .breadcrumb-area { padding: 28px 0 0; }
    .breadcrumb { font-size: 13px; color: var(--text-dim); }
    .breadcrumb a { color: var(--neon-dark); text-decoration: none; }
    .breadcrumb a:hover { text-decoration: underline; }
    .article-main { max-width: 860px; margin: 0 auto; padding: 40px 20px 0; width: 100%; }
    .article-header { margin-bottom: 48px; }
    .article-title { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; line-height: 1.3; color: var(--title); }
    .article-meta { display: flex; align-items: center; flex-wrap: wrap; justify-content: center; margin-top: 18px; gap: 10px; color: var(--text-dim); font-size: 13px; }
    .meta-dot { width: 3px; height: 3px; border-radius: 50%; background: #cbd5e1; }
    .article-content {
        background: var(--read-bg);
        border: 1px solid var(--border);
        border-radius: 24px;
        padding: 52px;
        font-size: 16.5px;
        line-height: 1.9;
        color: #2b3442;
        margin-bottom: 32px;
    }
    .article-content h2 { font-size: 26px; color: var(--title); margin: 2em 0 0.8em; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
    .article-content h3 { font-size: 20px; color: var(--title); margin: 1.8em 0 0.6em; }
    .article-content p { margin-bottom: 1.4em; }
    .article-content ul, .article-content ol { margin: 0 0 1.4em 1.6em; }
    .article-content li { margin-bottom: 0.5em; }
    .article-content img { max-width: 100%; border-radius: 16px; height: auto; }
    .article-content blockquote { border-left: 4px solid var(--neon); background: rgba(0,217,165,0.05); margin: 1.6em 0; padding: 1em 1.4em; border-radius: 0 12px 12px 0; color: var(--text); }
    .article-content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; overflow-x: auto; }
    .article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
    .article-content th { background: #f9fafb; color: var(--title); }
    .article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 40px; justify-content: center; }
    .tag-pill { background: rgba(0,217,165,0.08); color: var(--neon-dark); border: 1px solid rgba(0,217,165,0.25); padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 500; }
    .related-title { font-size: 22px; color: var(--title); font-weight: 700; margin: 0 0 24px; }
    .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .article-nav { display: flex; gap: 16px; align-items: center; margin-top: 36px; justify-content: center; }
    .site-footer {
        background: var(--ink);
        padding: 60px 0 0;
        margin-top: 40px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand h3 { font-size: 20px; color: #fff; margin-bottom: 12px; }
    .footer-brand p { font-size: 14px; color: #93A0AF; line-height: 1.8; }
    .footer-title { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
    .footer-links { display: flex; flex-direction: column; gap: 10px; }
    .footer-links a { color: #AAB4C0; text-decoration: none; font-size: 14px; transition: color 0.2s; }
    .footer-links a:hover { color: var(--neon); }
    .footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; padding: 20px 0; color: #6E7A88; font-size: 13px; gap: 12px; }
    .container-site { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
    .btn-coral {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        background: var(--coral); color: #fff; font-weight: 600; font-size: 15px;
        padding: 12px 28px; border-radius: 999px; border: none; cursor: pointer;
        text-decoration: none; min-height: 48px; transition: all 0.25s ease;
        box-shadow: 0 8px 20px -6px rgba(255,106,61,0.4);
    }
    .btn-coral:hover { background: #ff5a2a; transform: translateY(-2px); box-shadow: 0 12px 24px -6px rgba(255,106,61,0.5); }
    .btn-coral:active { transform: translateY(0); }
    .btn-ghost {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        background: transparent; color: var(--coral); font-weight: 500; font-size: 14px;
        padding: 10px 24px; border-radius: 999px; border: 1.5px solid var(--coral);
        cursor: pointer; text-decoration: none; transition: all 0.2s ease;
    }
    .btn-ghost:hover { background: rgba(255,106,61,0.08); }
    .btn-ghost-dark { border-color: var(--neon); color: var(--neon); }
    .btn-ghost-dark:hover { background: var(--neon); color: var(--ink-deep); }

    .back-to-top-btn, .article-nav a { color: var(--neon-dark); text-decoration: none; font-size: 15px; font-weight: 500; transition: all 0.2s; border-radius: 8px; padding: 10px 20px; background: transparent; border: 1.5px solid var(--border); display: inline-flex; align-items: center; gap: 8px; }
    .back-to-top-btn:hover, .article-nav a:hover { border-color: var(--neon); color: var(--neon-dark); background: rgba(0,217,165,0.04); }

    .not-found { text-align: center; padding: 80px 20px; }
    .not-found .icon { font-size: 60px; color: var(--text-weak); margin-bottom: 20px; }

    ::selection { background: rgba(0,217,165,0.2); }

    @media (max-width: 1024px) {
        .sidebar { display: none; }
        .mobile-header { display: flex; }
        .main-wrap { margin-left: 0; }
        .article-main { padding-top: 24px; }
        .related-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
        .article-main { padding: 20px 16px 0; }
        .article-content { padding: 28px 20px; font-size: 15.5px; border-radius: 18px; }
        .article-title { font-size: 1.6rem; }
        .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        .container-site { padding: 0 20px; }
    }
    @media (max-width: 520px) {
        .mobile-header { padding: 0 16px; }
        .related-grid { grid-template-columns: 1fr; }
        .article-meta { gap: 8px; }
        .article-content { padding: 22px 16px; }
        .footer-bottom { flex-direction: column; }
        .btn-coral { padding: 14px 22px; font-size: 14px; }
    }

/* roulang page: category1 */
:root {
            --primary: #00D9A5;
            --primary-dark: #00B884;
            --accent: #FF6A3D;
            --accent-hover: #e85a2c;
            --highlight: #FFD84D;
            --dark-bg: #10151C;
            --dark-bg-deep: #0B1016;
            --page-bg: #F5F7FA;
            --card-bg: #FFFFFF;
            --heading: #111827;
            --body-text: #3B4653;
            --text-dim: #697586;
            --text-weak: #93A0AF;
            --text-light: #E7ECF3;
            --border-light: #E4E9F0;
            --border-dark: rgba(255,255,255,0.08);
            --radius-card: 18px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 2px rgba(16,24,40,0.04), 0 4px 12px rgba(16,24,40,0.04);
            --shadow-hover: 0 12px 32px -8px rgba(16,24,40,0.14);
            --shadow-dp: 0 20px 50px -12px rgba(0,0,0,0.45);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Inter", sans-serif;
            background: var(--page-bg);
            color: var(--body-text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input, summary {
            outline: none;
        }

        /* Layout */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: 272px;
            background: var(--dark-bg-deep);
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            z-index: 50;
            display: flex;
            flex-direction: column;
            border-right: 1px solid var(--border-dark);
            overflow-y: auto;
        }

        .main-area {
            flex: 1;
            margin-left: 272px;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .container-site {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            width: 100%;
        }

        /* Sidebar */
        .sidebar-brand {
            padding: 1.5rem 1.25rem 1rem;
            border-bottom: 1px solid var(--border-dark);
            display: flex;
            gap: 0.75rem;
            align-items: center;
        }

        .brand-badge {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(0,217,165,0.12);
            border: 1px solid rgba(0,217,165,0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-style: normal;
            font-weight: 700;
            font-size: 1.4rem;
            flex-shrink: 0;
            font-family: Georgia, "Times New Roman", serif;
        }

        .brand-text .brand-name {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .brand-text .brand-sub {
            font-size: 0.75rem;
            color: var(--text-weak);
            line-height: 1.4;
            margin-top: 2px;
        }

        .sidebar-nav {
            padding: 1rem 0.85rem;
            flex: 1;
        }

        .nav-label {
            color: var(--text-weak);
            font-size: 0.75rem;
            letter-spacing: 0.08em;
            padding: 0.6rem 0.9rem 0.5rem;
            text-transform: uppercase;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            height: 46px;
            padding: 0 0.9rem;
            border-radius: 10px;
            color: #98A2B3;
            font-size: 0.9375rem;
            font-weight: 500;
            transition: background .2s, color .2s;
            margin-bottom: 2px;
        }

        .nav-item svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            background: rgba(255,255,255,0.06);
            color: #E7ECF3;
        }

        .nav-item.active {
            background: rgba(0,217,165,0.10);
            color: #fff;
            box-shadow: inset 3px 0 0 var(--primary);
        }

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

        .sidebar-note {
            padding: 1rem 1.2rem 1.5rem;
            border-top: 1px solid var(--border-dark);
            font-size: 0.8rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* Mobile topnav */
        .mobile-header {
            display: none;
            background: var(--dark-bg-deep);
            height: 56px;
            padding: 0 1rem;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-dark);
        }

        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #fff;
            font-weight: 600;
            font-size: 0.98rem;
        }

        .mobile-brand .brand-badge {
            width: 30px;
            height: 30px;
            font-size: 1rem;
        }

        .hamburger-btn {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: #D3DAE3;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.1rem;
            transition: border-color .2s, color .2s;
        }

        .hamburger-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 56px;
            bottom: 0;
            left: 0;
            width: min(320px, 85vw);
            background: var(--dark-bg-deep);
            z-index: 99;
            padding: 1rem 0.85rem;
            border-right: 1px solid var(--border-dark);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: block;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            height: 48px;
            padding: 0 1.8rem;
            font-size: 0.95rem;
            transition: transform .2s, box-shadow .2s, background .2s;
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 18px rgba(255,106,61,0.3);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255,106,61,0.35);
        }

        .btn-accent:active {
            transform: scale(0.98);
        }

        .btn-ghost-dark {
            background: transparent;
            border-color: rgba(255,255,255,0.5);
            color: #fff;
        }

        .btn-ghost-dark:hover {
            background: #fff;
            color: var(--dark-bg);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-glow {
            border: 1px solid rgba(0,217,165,0.4);
            color: var(--primary);
            background: rgba(0,217,165,0.06);
        }

        .btn-glow:hover {
            background: rgba(0,217,165,0.14);
            border-color: var(--primary);
            color: #fff;
        }

        .btn-small {
            height: 38px;
            padding: 0 1.1rem;
            font-size: 0.88rem;
        }

        a:focus-visible,
        button:focus-visible,
        details summary:focus-visible {
            outline: 3px solid rgba(0,217,165,0.5);
            outline-offset: 3px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            height: 24px;
            padding: 0 0.6rem;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .badge-hot {
            color: #7A5A00;
            background: #FFF3C1;
            border: 1px solid #F7E28A;
        }

        .badge-green {
            color: #00705A;
            background: #E2F8F2;
            border: 1px solid #B8ECDD;
        }

        .badge-neutral {
            color: var(--text-dim);
            background: #F0F2F6;
            border: 1px solid var(--border-light);
        }

        .badge-white {
            color: #E7ECF3;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
        }

        .tag {
            display: inline-block;
            height: 28px;
            line-height: 26px;
            padding: 0 0.75rem;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            background: #F0F3F6;
            color: var(--text-dim);
            border: 1px solid var(--border-light);
        }

        /* Cards */
        .card-base {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform .22s ease, box-shadow .22s ease;
        }

        .card-base:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        /* Hero & Banner */
        .banner-section {
            background-color: var(--dark-bg);
            background-size: cover;
            background-position: center 70%;
            background-blend-mode: overlay;
            position: relative;
            padding: 5rem 0 4rem;
        }

        .banner-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(98deg, rgba(11,16,22,0.92) 5%, rgba(16,21,28,0.75) 60%, rgba(16,21,28,0.35) 100%);
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .banner-content .category-kicker {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: rgba(0,217,165,0.16);
            border: 1px solid rgba(0,217,165,0.45);
            color: var(--primary);
            border-radius: var(--radius-pill);
            height: 32px;
            padding: 0 1rem;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
        }

        .page-h1 {
            color: #fff;
            font-size: clamp(2.1rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 1rem;
        }

        .banner-description {
            color: #C6D0D9;
            font-size: 1.02rem;
            line-height: 1.9;
            max-width: 780px;
            margin-bottom: 2rem;
        }

        .breadcrumb {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 1.2rem;
        }

        .breadcrumb a {
            color: #B0BDCA;
            padding: 4px 0;
        }

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

        .breadcrumb .sep {
            margin: 0 0.6rem;
            color: #55606D;
        }

        /* trust strip styles */
        .trust-strip {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 0;
            margin-top: -45px;
            border-bottom: 3px solid var(--primary);
        }

        .trust-item {
            padding: 1.25rem 1.5rem;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            border-right: 1px solid var(--border-light);
        }

        .trust-item:last-child {
            border-right: none;
        }

        .trust-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(0,217,165,0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .trust-title {
            font-weight: 600;
            color: var(--heading);
            font-size: 0.9rem;
        }

        .trust-desc {
            color: var(--text-dim);
            font-size: 0.8rem;
            line-height: 1.6;
        }

        /* Section heading */
        .sec-heading {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .sec-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.3;
        }

        .sec-heading p {
            color: var(--text-dim);
            max-width: 640px;
            font-size: 0.95rem;
        }

        .sec-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-dark);
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
        }

        .sec-subhead {
            color: var(--text-dim);
            font-size: 0.95rem;
            margin-top: 0.75rem;
            max-width: 720px;
        }

        /* Comparison Table */
        .table-wrap {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .style-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 600px;
        }

        .style-table th {
            background: #F8FAFC;
            color: var(--heading);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 1rem 1.2rem;
            border-bottom: 1px solid var(--border-light);
            text-align: left;
            white-space: nowrap;
        }

        .style-table td {
            padding: 0.9rem 1.2rem;
            font-size: 0.92rem;
            border-bottom: 1px solid #EEF1F5;
            line-height: 1.7;
        }

        .style-table tr:last-child td {
            border-bottom: none;
        }

        .chk-icon {
            color: var(--primary);
            margin-right: 4px;
        }

        .warn-icon {
            color: #E8B400;
            margin-right: 4px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.25rem 0.25rem;
        }

        .faq-item:first-of-type {
            border-top: none;
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-weight: 600;
            color: var(--heading);
            padding: 0.3rem 0;
            transition: color 0.2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            transition: transform 0.25s, color .2s, border-color .2s;
        }

        .faq-item[open] summary {
            color: var(--primary-dark);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(90deg);
            border-color: var(--primary);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0.75rem 0 0 0.5rem;
            color: var(--text-dim);
            font-size: 0.95rem;
            line-height: 1.9;
            max-width: 780px;
        }

        /* Big CTA */
        .cta-dark {
            background-color: #0B1016;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-radius: 24px;
            padding: 3.5rem 3rem;
            position: relative;
            overflow: hidden;
        }

        .cta-dark::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7,10,14,0.92) 20%, rgba(16,21,28,0.66) 90%);
        }

        .cta-dark .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .cta-title {
            color: #fff;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }

        .cta-desc {
            color: rgba(235,240,246,0.8);
            font-size: 0.95rem;
        }

        .qr-placeholder {
            width: 104px;
            height: 104px;
            border-radius: 16px;
            border: 1px dashed rgba(255,255,255,0.4);
            background: rgba(255,255,255,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.7);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-bg-deep);
            padding: 3.5rem 0 1.8rem;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 0.9fr 1.1fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--border-dark);
        }

        .footer-brand h3 {
            color: #E7ECF3;
            font-size: 1.1rem;
            font-weight: 650;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            color: var(--text-weak);
            font-size: 0.83rem;
            line-height: 1.9;
            max-width: 360px;
        }

        .footer-title {
            color: #C0C8D2;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            align-items: flex-start;
        }

        .footer-links a {
            color: var(--text-weak);
            font-size: 0.85rem;
            border-bottom: 1px solid transparent;
        }

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

        .footer-bottom {
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            color: #6A7684;
            font-size: 0.8rem;
        }

        /* Resource item */
        .resource-list {
            display: flex;
            flex-direction: column;
            max-width: 760px;
        }

        .resource-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 0.55rem 0;
        }

        .resource-item i {
            color: var(--primary);
            padding-top: 7px;
            font-size: 0.8rem;
        }

        /* Stats Strip */
        .stat-block {
            background: var(--dark-bg);
            border-radius: var(--radius-card);
            padding: 1.6rem 2rem;
            border: 1px solid rgba(255,255,255,0.14);
        }

        .stat-num {
            font-family: 'Inter', sans-serif;
            font-weight: 700;
            font-size: 2rem;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            color: #93A0AF;
            font-size: 0.86rem;
            margin-top: 6px;
        }

        /* Feature points */
        .feature-point {
            padding-left: 1.6rem;
            position: relative;
            margin-bottom: 1rem;
            color: var(--text-dim);
            font-size: 0.96rem;
        }

        .feature-point::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.65em;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            border: 3px solid var(--primary);
            opacity: 0.9;
        }

        /* generic strong */
        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--primary-dark);
            font-weight: 550;
            font-size: 0.9rem;
            transition: gap 0.2s;
        }

        .link-more:hover {
            gap: 10px;
        }

        .dot-sep {
            width: 3px;
            height: 3px;
            background: var(--text-weak);
            display: inline-block;
            border-radius: 50%;
            margin: 0 10px 3px 10px;
        }

        /* Image placeholders */
        .img-placeholder {
            background: linear-gradient(135deg, #1D2834 0%, #131B24 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #E7ECF3;
            font-size: 0.9rem;
            border-radius: 16px;
            overflow: hidden;
            width: 100%;
            height: 100%;
            position: relative;
            min-height: 100%;
        }

        .img-placeholder::after {
            content: "九游";
            position: absolute;
            font-size: 3.4rem;
            font-weight: 700;
            color: rgba(0,217,165,0.18);
            letter-spacing: -0.02em;
            z-index: 1;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .container-site {
                padding-left: 1.2rem;
                padding-right: 1.2rem;
            }
            .trust-strip {
                margin-top: 0;
            }
            .banner-section {
                padding-top: 3rem;
            }
        }

        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }
            .main-area {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .trust-grid-custom {
                grid-template-columns: repeat(3, 1fr);
            }
            .trust-item {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
                padding: 0.9rem;
            }
            .cta-dark {
                padding: 2rem 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .container-site {
                padding-left: 0.9rem;
                padding-right: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .trust-grid-custom {
                grid-template-columns: 1fr;
            }
            .cta-dark .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-inner .btn-wrap {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .page-h1 {
                font-size: 1.65rem;
            }
            .banner-section {
                padding: 2.5rem 0 2.8rem;
            }
            .sec-heading {
                flex-wrap: wrap;
            }
            .sec-heading h2 {
                font-size: 1.4rem;
            }
            .badge {
                height: 22px;
            }
            .footer-bottom {
                flex-direction: column;
            }
        }

        /* utility helpers */
        .text-gradient-green {
            background: linear-gradient(90deg, #00D9A5, #34E2B5);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .grid-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .hidden-md-max {
            display: none;
        }

        @media(min-width:1024px) {
            .hidden-md-max {
                display: flex;
            }
        }

        .mobile-drawer .sidebar-nav .nav-item {
            color: #B9C1CD;
        }

        /* feature num */
        .num-big-outline {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px var(--primary);
            opacity: 0.8;
        }

        .outline-hollow {
            -webkit-text-stroke: 1px var(--primary);
            color: transparent;
        }

/* roulang page: category2 */
:root {
            --bg-page: #F5F7FA;
            --card: #FFFFFF;
            --card-warm: #FCFDFB;
            --primary: #00D9A5;
            --primary-deep: #00B884;
            --accent: #FF6A3D;
            --accent-deep: #F45125;
            --accent-soft: #FFF2EC;
            --warn: #FFD84D;
            --ink-title: #111827;
            --body-text: #3B4653;
            --text-dim: #697586;
            --text-dark-weak: #93A0AF;
            --border: #E4E9F0;
            --dark-panel: #10151C;
            --sidebar-bg: #0B1016;
            --sidebar-line: rgba(255, 255, 255, 0.08);
            --radius-card: 18px;
            --radius-btn: 999px;
            --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 12px rgba(16, 24, 40, 0.04);
            --shadow-card-hover: 0 18px 36px -10px rgba(16, 24, 40, 0.16);
            --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-cn);
            background: var(--bg-page);
            color: var(--body-text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            color: var(--ink-title);
            font-weight: 700;
            line-height: 1.35;
        }

        p {
            margin: 0;
        }

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

        img {
            display: block;
            max-width: 100%;
            border: 0;
        }

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

        button {
            background: none;
            border: 0;
            cursor: pointer;
        }

        .skip-link {
            position: fixed;
            left: 16px;
            top: -80px;
            z-index: 999;
            background: var(--dark-panel);
            color: #fff;
            padding: 10px 16px;
            border-radius: 10px;
            transition: top .3s;
        }

        .skip-link:focus-visible {
            top: 16px;
            outline: 3px solid rgba(0, 217, 165, 0.55);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(0, 217, 165, .22);
            color: #10231f;
        }

        :focus-visible {
            outline: 3px solid rgba(0, 217, 165, 0.5);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 264px;
            z-index: 80;
            display: flex;
            flex-direction: column;
            background: var(--sidebar-bg);
            border-right: 1px solid var(--sidebar-line);
        }

        .sidebar-scroll {
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            padding-bottom: 16px;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            min-height: 88px;
            padding: 18px 20px;
            border-bottom: 1px solid var(--sidebar-line);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-mark {
            width: 44px;
            height: 44px;
            flex: 0 0 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: rgba(0, 217, 165, .12);
            border: 1px solid rgba(0, 217, 165, .45);
            color: var(--primary);
            font-size: 1.3rem;
            font-weight: 800;
            line-height: 1;
        }

        .logo-mark small {
            font-size: 1rem;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            min-width: 0;
            color: #fff;
        }

        .logo-main {
            font-size: 1.02rem;
            font-weight: 700;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .logo-sub {
            margin-top: 4px;
            font-size: .72rem;
            color: var(--text-dark-weak);
            letter-spacing: .08em;
            white-space: nowrap;
        }

        .nav-label {
            padding: 22px 20px 8px;
            font-size: .75rem;
            color: #798898;
            letter-spacing: .14em;
        }

        .sidebar-nav {
            padding: 4px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav .nav-item {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            min-height: 46px;
            padding: 0 14px;
            border-radius: 11px;
            color: #AAB5C0;
            font-size: .9375rem;
            font-weight: 500;
            line-height: 1;
            transition: background .25s, color .25s, transform .2s;
        }

        .sidebar-nav .nav-item svg {
            width: 21px;
            height: 21px;
            flex: 0 0 21px;
        }

        .sidebar-nav .nav-item:hover {
            background: rgba(255, 255, 255, .05);
            color: #fff;
        }

        .sidebar-nav .nav-item.active {
            background: rgba(0, 217, 165, .13);
            color: #FFFFFF;
            font-weight: 600;
        }

        .sidebar-nav .nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            width: 3px;
            height: 18px;
            transform: translateY(-50%);
            border-radius: 0 6px 6px 0;
            background: var(--primary);
        }

        .sidebar-note {
            margin: 10px 14px 16px;
            padding: 12px 14px;
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 12px;
            background: rgba(255, 255, 255, .03);
            font-size: .8125rem;
            line-height: 1.7;
            color: #8E9AA6;
        }

        .status-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(0, 217, 165, .12);
            margin-right: 7px;
            vertical-align: 1px;
        }

        .main-wrap {
            min-height: 100vh;
            margin-left: 264px;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
        }

        .drawer {
            display: none;
        }

        .drawer-backdrop {
            display: none;
        }

        .container-site {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: clamp(18px, 4vw, 40px);
            padding-right: clamp(18px, 4vw, 40px);
        }

        .section-block {
            padding-top: clamp(58px, 8vw, 86px);
            padding-bottom: clamp(58px, 8vw, 86px);
        }

        .header-inner {
            padding-top: 34px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .8125rem;
            font-weight: 700;
            letter-spacing: .12em;
            color: var(--primary-deep);
            text-transform: uppercase;
        }

        .section-title {
            margin-top: 10px;
            font-size: clamp(1.7rem, 3.5vw, 2.35rem);
            letter-spacing: -0.01em;
        }

        .section-desc {
            max-width: 640px;
            margin-top: 14px;
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text-dim);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 30px;
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            background: rgba(0, 217, 165, .12);
            border: 1px solid rgba(0, 217, 165, .32);
            color: #00A87F;
            font-size: .8125rem;
            font-weight: 600;
            line-height: 1;
        }

        .badge-warn {
            background: rgba(255, 216, 77, .15);
            border-color: rgba(255, 216, 77, .4);
            color: #987800;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: #171C21;
            font-size: 1rem;
            font-weight: 700;
            line-height: 1;
            box-shadow: 0 14px 24px -12px rgba(255, 106, 61, .6);
            transition: background .25s, transform .2s, box-shadow .25s;
        }

        .btn-accent:hover {
            background: #FF8A62;
            transform: translateY(-2px);
            box-shadow: 0 18px 28px -12px rgba(255, 106, 61, .66);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 8px 16px -10px rgba(255, 106, 61, .56);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(231, 236, 243, .72);
            background: rgba(255, 255, 255, .05);
            color: #E7ECF3;
            font-size: 1rem;
            font-weight: 600;
            line-height: 1;
            transition: background .25s, color .25s, transform .2s;
        }

        .btn-ghost:hover {
            background: #fff;
            color: #151A20;
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-deep);
            font-weight: 600;
            font-size: .9375rem;
            transition: color .2s, gap .2s;
        }

        .text-link:hover {
            color: #00926B;
            gap: 10px;
        }

        .guide-hero {
            position: relative;
            min-height: 500px;
            overflow: hidden;
            background: var(--dark-panel);
            color: #E9EEF4;
        }

        .guide-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-position: center 32%;
            background-size: cover;
            opacity: .3;
        }

        .hero-deco {
            position: absolute;
            right: -90px;
            top: 60px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .05);
        }

        .hero-deco::before,
        .hero-deco::after {
            content: "";
            position: absolute;
            border-radius: 50%;
        }

        .hero-deco::before {
            inset: -12%;
            border: 1px solid rgba(0, 217, 165, .08);
        }

        .hero-deco::after {
            inset: 22%;
            background: radial-gradient(circle, rgba(0, 217, 165, .12) 0%, transparent 70%);
        }

        .guide-hero-inner {
            position: relative;
            z-index: 10;
            padding-top: 64px;
            padding-bottom: 68px;
        }

        .guide-hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 330px;
            align-items: center;
            gap: 56px;
        }

        .eyebrow-pill {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            background: rgba(0, 217, 165, .12);
            border: 1px solid rgba(0, 217, 165, .3);
            color: var(--primary);
            font-size: .8125rem;
            font-weight: 600;
            line-height: 1;
        }

        .eyebrow-pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(0, 217, 165, .16);
        }

        .guide-hero h1 {
            margin-top: 22px;
            font-size: clamp(2.4rem, 4.6vw, 4rem);
            line-height: 1.18;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .guide-hero-sub {
            max-width: 650px;
            margin-top: 20px;
            font-size: 1.06rem;
            line-height: 1.95;
            color: #CBD5DE;
        }

        .hero-actions {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-trust {
            margin-top: 34px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 22px;
            align-items: center;
            font-size: .875rem;
            color: #AEB9C4;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-trust svg {
            width: 17px;
            height: 17px;
            color: var(--primary);
        }

        .hero-cover-col {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 390px;
        }

        .hero-cover-card {
            position: relative;
            width: 250px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 24px 50px -18px rgba(0, 0, 0, .42);
            border: 1px solid rgba(255, 255, 255, .18);
            transform: rotate(4deg);
        }

        .hero-cover-card img {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: cover;
        }

        .hero-cover-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 58%, rgba(8, 12, 16, .62));
        }

        .hero-cover-tag {
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 14px;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            color: #fff;
            font-size: .8125rem;
            font-weight: 600;
        }

        .hero-cover-tag span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(11, 16, 22, .82);
            padding: 6px 10px;
            border-radius: 999px;
        }

        .hero-cover-fake {
            position: absolute;
            right: 12px;
            top: 22px;
            width: 190px;
            aspect-ratio: 3/4;
            border-radius: 22px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            transform: rotate(-7deg);
            z-index: -1;
        }

        .brand-chip {
            display: flex;
            align-items: center;
            margin-top: 44px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            font-size: .875rem;
            color: #AEB9C4;
        }

        .brand-chip strong {
            color: #fff;
            margin-right: 8px;
            white-space: nowrap;
        }

        .page-toc {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow-card);
            padding: 12px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .page-toc a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 40px;
            padding: 8px 14px;
            border-radius: 999px;
            font-size: .875rem;
            font-weight: 600;
            color: var(--body-text);
            border: 1px solid transparent;
            transition: border-color .2s, background .2s, color .2s;
        }

        .page-toc a span {
            color: var(--primary-deep);
            font-weight: 800;
            font-size: .8rem;
        }

        .page-toc a:hover {
            background: rgba(0, 217, 165, .08);
            color: var(--ink-title);
            border-color: rgba(0, 217, 165, .36);
        }

        .prepare-panel {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .prepare-panel-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 26px 30px;
            border-bottom: 1px solid var(--border);
            background: linear-gradient(120deg, #FFFFFF 60%, rgba(0, 217, 165, .06));
        }

        .prepare-panel-head .section-title {
            margin-top: 6px;
            font-size: 1.48rem;
        }

        .prepare-count {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(0, 217, 165, .36);
            color: var(--primary-deep);
            font-weight: 800;
            font-size: .875rem;
        }

        .prepare-items {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
        }

        .prepare-item {
            position: relative;
            padding: 30px 28px;
            min-height: 220px;
        }

        .prepare-item + .prepare-item {
            border-left: 1px solid var(--border);
        }

        .prepare-item .prepare-num {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 217, 165, .11);
            color: var(--primary-deep);
            font-size: .9375rem;
            font-weight: 800;
        }

        .prepare-item h3 {
            margin-top: 16px;
            font-size: 1.06rem;
            line-height: 1.5;
        }

        .prepare-item p {
            margin-top: 10px;
            font-size: .9rem;
            line-height: 1.8;
            color: var(--text-dim);
        }

        .guide-layout-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 370px;
            gap: clamp(26px, 4vw, 48px);
            align-items: flex-start;
        }

        .step-section-head {
            padding-bottom: 14px;
        }

        .step-list {
            margin-top: 10px;
            padding: 0;
            list-style: none;
        }

        .step-item {
            position: relative;
            display: grid;
            grid-template-columns: 76px minmax(0, 1fr);
            gap: 22px;
            padding-bottom: 30px;
        }

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

        .step-item:not(:last-child)::before {
            content: "";
            position: absolute;
            left: 37px;
            top: 70px;
            bottom: -4px;
            width: 1px;
            background: #D0DBE3;
        }

        .step-marker {
            width: 54px;
            height: 54px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--dark-panel);
            border: 1px solid rgba(0, 217, 165, .55);
            color: var(--primary);
            font-size: 1.09rem;
            font-weight: 800;
            box-shadow: 0 8px 18px -10px rgba(16, 24, 40, .5);
        }

        .step-content {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 26px;
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }

        .step-content:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(0, 217, 165, .28);
        }

        .step-title-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .step-title-row h3 {
            font-size: 1.145rem;
        }

        .tool-tag {
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(0, 217, 165, .09);
            border: 1px solid rgba(0, 217, 165, .26);
            color: #009A73;
            font-size: .75rem;
            font-weight: 700;
        }

        .tool-tag-yellow {
            background: rgba(255, 216, 77, .13);
            border-color: rgba(255, 216, 77, .42);
            color: #9A7A08;
        }

        .step-content p {
            margin-top: 10px;
            font-size: .95rem;
            line-height: 1.9;
            color: var(--body-text);
        }

        .step-tip {
            margin-top: 14px;
            padding: 12px 14px;
            border-left: 3px solid var(--primary);
            background: rgba(0, 217, 165, .06);
            border-radius: 8px;
            font-size: .875rem;
            line-height: 1.8;
            color: #2E6B5D;
        }

        .faq-side-card {
            position: sticky;
            top: 24px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 28px;
            overflow: hidden;
        }

        .faq-side-card::before {
            content: "";
            display: block;
            height: 3px;
            width: 58px;
            border-radius: 9px;
            background: var(--primary);
            margin-bottom: 24px;
        }

        .faq-side-card h2 {
            font-size: 1.55rem;
            line-height: 1.4;
        }

        .faq-side-card .sub {
            margin-top: 8px;
            font-size: .9rem;
            color: var(--text-dim);
            line-height: 1.8;
        }

        .mini-faq {
            margin-top: 18px;
        }

        .mini-faq details {
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }

        .mini-faq details:first-child {
            padding-top: 2px;
        }

        .mini-faq summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            font-weight: 600;
            font-size: .9375rem;
            line-height: 1.7;
            color: var(--ink-title);
            list-style: none;
            transition: color .2s;
        }

        .mini-faq summary::-webkit-details-marker {
            display: none;
        }

        .mini-faq summary::after {
            content: "+";
            flex: 0 0 24px;
            font-size: 1.35rem;
            font-weight: 400;
            text-align: center;
            color: var(--primary-deep);
            transition: transform .25s;
        }

        .mini-faq details[open] summary {
            color: #009A73;
        }

        .mini-faq details[open] summary::after {
            content: "−";
            transform: rotate(180deg);
            color: var(--primary-deep);
        }

        .mini-faq .answer {
            margin-top: 12px;
            padding-right: 12px;
            font-size: .875rem;
            line-height: 1.8;
            color: var(--text-dim);
        }

        .faq-help-link {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-top: 24px;
            padding: 14px;
            border-radius: 14px;
            background: rgba(255, 216, 77, .12);
            border: 1px solid rgba(255, 216, 77, .4);
        }

        .faq-help-link strong {
            display: block;
            font-size: .875rem;
            color: var(--ink-title);
        }

        .faq-help-link a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 4px;
            font-size: .8125rem;
            color: var(--primary-deep);
            font-weight: 700;
        }

        .risk-panel {
            background: #FFF9F6;
            border: 1px solid #F3C7B6;
            border-radius: 22px;
            padding: clamp(24px, 4vw, 38px);
            display: grid;
            grid-template-columns: 58px minmax(0, 1fr);
            gap: 24px;
        }

        .risk-mark {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: var(--accent-soft);
            border: 1px solid rgba(255, 106, 61, .38);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 700;
        }

        .risk-panel .kicker {
            font-size: .8125rem;
            font-weight: 700;
            color: #D6522B;
            letter-spacing: .12em;
        }

        .risk-panel h2 {
            margin-top: 8px;
            font-size: clamp(1.4rem, 2.6vw, 1.9rem);
        }

        .risk-panel .risk-copy > p {
            margin-top: 10px;
            color: #6B554B;
            line-height: 1.9;
            max-width: 760px;
            font-size: .95rem;
        }

        .risk-list {
            margin: 22px 0 0;
            padding: 0;
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 26px;
        }

        .risk-list li {
            position: relative;
            padding-left: 24px;
            font-size: .9rem;
            line-height: 1.8;
            color: #5C4A3F;
        }

        .risk-list li::before {
            content: "";
            position: absolute;
            left: 2px;
            top: .64em;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .cta-area {
            padding: 40px 0 72px;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            background: var(--dark-panel);
            border-radius: 26px;
            padding: clamp(28px, 5vw, 58px);
            color: #E8EEF5;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center 25%;
            opacity: .16;
        }

        .cta-panel > * {
            position: relative;
            z-index: 2;
        }

        .cta-kicker {
            color: var(--primary);
            font-size: .8125rem;
            font-weight: 700;
            letter-spacing: .12em;
        }

        .cta-panel h2 {
            max-width: 660px;
            margin-top: 12px;
            color: #fff;
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            line-height: 1.4;
            letter-spacing: -0.02em;
        }

        .cta-panel p {
            max-width: 620px;
            margin-top: 14px;
            color: #C7D1DA;
            font-size: 1rem;
            line-height: 1.9;
        }

        .cta-actions {
            flex: 0 0 auto;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 18px;
        }

        .cta-note {
            font-size: .8125rem;
            color: #7E8D9B;
        }

        .site-footer {
            margin-top: auto;
            background: var(--dark-panel);
            color: #CBD5DE;
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding-top: 56px;
            padding-bottom: 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr .9fr .9fr;
            gap: 42px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: .875rem;
            line-height: 1.9;
            color: #8E9AA7;
            max-width: 340px;
        }

        .footer-title {
            font-size: .875rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .875rem;
            color: #A7B2BD;
            transition: color .2s, transform .2s;
        }

        .footer-links a::before {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
            flex: 0 0 4px;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-bottom {
            margin-top: 46px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: .8125rem;
            color: #788692;
        }

        @media (max-width: 1239px) {
            .guide-hero-grid {
                grid-template-columns: minmax(0, 1fr) 300px;
                gap: 36px;
            }
            .guide-layout-grid {
                grid-template-columns: minmax(0, 1fr) 330px;
                gap: 28px;
            }
        }

        @media (max-width: 1023.98px) {
            .sidebar {
                display: none;
            }

            .main-wrap {
                margin-left: 0;
            }

            .mobile-header {
                position: sticky;
                top: 0;
                z-index: 90;
                display: flex;
                align-items: center;
                justify-content: space-between;
                height: 60px;
                padding: 0 16px 0 18px;
                background: var(--sidebar-bg);
                color: #fff;
                border-bottom: 1px solid var(--sidebar-line);
            }

            .mobile-brand {
                display: inline-flex;
                align-items: center;
                gap: 10px;
                font-weight: 700;
                color: #fff;
                font-size: .98rem;
            }

            .mobile-brand .logo-mark {
                width: 34px;
                height: 34px;
                flex-basis: 34px;
                border-radius: 10px;
                font-size: 1rem;
            }

            .open-menu-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 42px;
                height: 42px;
                border-radius: 12px;
                color: #fff;
                transition: background .2s;
            }

            .open-menu-btn:hover {
                background: rgba(255, 255, 255, .08);
            }

            .open-menu-btn svg {
                width: 22px;
                height: 22px;
            }

            .drawer {
                position: fixed;
                top: 0;
                left: 0;
                bottom: 0;
                width: min(320px, 88vw);
                z-index: 120;
                background: var(--sidebar-bg);
                display: block;
                transform: translateX(-104%);
                transition: transform .3s ease;
                box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .6);
                overflow-y: auto;
            }

            body.drawer-open .drawer {
                transform: translateX(0);
            }

            .drawer-backdrop {
                position: fixed;
                inset: 0;
                z-index: 110;
                background: rgba(6, 9, 12, .58);
                backdrop-filter: blur(2px);
                opacity: 0;
                pointer-events: none;
                transition: opacity .3s;
            }

            body.drawer-open .drawer-backdrop {
                opacity: 1;
                pointer-events: auto;
            }

            .drawer-top {
                display: flex;
                align-items: center;
                justify-content: space-between;
                min-height: 60px;
                padding: 0 14px 0 18px;
                border-bottom: 1px solid var(--sidebar-line);
            }

            .drawer-close {
                width: 40px;
                height: 40px;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                border-radius: 10px;
                color: #AAB5C0;
            }

            .drawer-close:hover {
                background: rgba(255, 255, 255, .08);
                color: #fff;
            }

            .drawer-nav {
                padding: 12px;
                display: flex;
                flex-direction: column;
                gap: 4px;
            }

            .drawer-nav .nav-item {
                display: flex;
                align-items: center;
                gap: 12px;
                min-height: 46px;
                padding: 0 14px;
                border-radius: 11px;
                color: #AAB5C0;
                font-size: .9375rem;
            }

            .drawer-nav .nav-item svg {
                width: 20px;
                height: 20px;
            }

            .drawer-nav .nav-item:hover {
                background: rgba(255, 255, 255, .05);
                color: #fff;
            }

            .drawer-nav .nav-item.active {
                background: rgba(0, 217, 165, .13);
                color: #fff;
                font-weight: 700;
            }

            .drawer-safe {
                margin: 10px 18px 22px;
                padding: 12px 14px;
                border-radius: 12px;
                border: 1px solid rgba(255, 255, 255, .08);
                color: #AAB5C0;
                font-size: .8125rem;
            }

            .grid-guide {
                grid-template-columns: 1fr;
            }

            .guide-hero-grid {
                grid-template-columns: 1fr;
                padding-top: 52px;
                padding-bottom: 48px;
                gap: 40px;
            }

            .hero-cover-col {
                order: -1;
                min-height: 0;
            }

            .hero-cover-card {
                transform: rotate(2deg);
                width: 220px;
            }

            .hero-cover-fake {
                right: auto;
                left: 48%;
                top: 26px;
                width: 160px;
            }

            .guide-hero h1 {
                font-size: clamp(2.1rem, 7vw, 3rem);
            }

            .guide-layout-grid {
                grid-template-columns: 1fr;
            }

            .faq-side-card {
                position: relative;
                top: auto;
                margin-top: 44px;
            }

            .prepare-items {
                grid-template-columns: 1fr;
            }

            .prepare-item + .prepare-item {
                border-left: 0;
                border-top: 1px solid var(--border);
            }

            .prepare-item {
                padding: 24px;
                min-height: 0;
            }

            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding-top: 46px;
                padding-bottom: 46px;
            }

            .step-item {
                grid-template-columns: 54px minmax(0, 1fr);
                gap: 14px;
            }

            .step-item:not(:last-child)::before {
                left: 26px;
                top: 60px;
            }

            .step-marker {
                width: 44px;
                height: 44px;
                border-radius: 14px;
                font-size: .9rem;
            }

            .step-content {
                padding: 18px 16px;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn-accent {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            .risk-panel {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .page-toc a {
                font-size: .8125rem;
                padding: 6px 10px;
            }
        }

        @media (max-width: 519.98px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }

            .guide-hero-inner {
                padding-top: 40px;
                padding-bottom: 50px;
            }

            .guide-hero-grid {
                gap: 30px;
            }

            .hero-actions .btn-accent,
            .hero-actions .btn-ghost {
                width: 100%;
            }

            .eyebrow-pill {
                padding: 6px 12px;
                font-size: .75rem;
            }

            .guide-hero-sub {
                font-size: .98rem;
            }

            .prepare-panel-head {
                padding: 20px 18px;
            }

            .step-item {
                grid-template-columns: 1fr;
                padding-bottom: 26px;
            }

            .step-item:not(:last-child)::before {
                display: none;
            }

            .step-marker {
                width: 42px;
                height: 42px;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --dark: #10151C;
            --dark-2: #0B1016;
            --brand: #00D9A5;
            --brand-active: #00B884;
            --action: #FF6A3D;
            --accent: #FFD84D;
            --text: #3B4653;
            --title: #111827;
            --dim: #697586;
            --line: #E4E9F0;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-1: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 12px rgba(16, 24, 40, .04);
            --shadow-2: 0 20px 40px -14px rgba(16, 24, 40, .18);
            --shadow-3: 0 20px 50px -12px rgba(0, 0, 0, .45);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(0, 217, 165, .32);
            outline-offset: 3px;
            border-radius: 10px;
        }

        ::selection {
            background: rgba(0, 217, 165, .18);
            color: #0B1016;
        }

        .skip-link {
            position: fixed;
            top: -100px;
            left: 18px;
            z-index: 999;
            padding: 10px 18px;
            background: #fff;
            color: #111827;
            font-weight: 600;
            border-radius: 999px;
            box-shadow: var(--shadow-2);
            transition: top .2s ease;
        }

        .skip-link:focus {
            top: 18px;
        }

        .topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 86;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 18px 0 20px;
            background: var(--dark-2);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .topbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .topbar-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(0, 217, 165, .14);
            color: var(--brand);
            border: 1px solid rgba(0, 217, 165, .22);
        }

        .topbar-logo-icon svg {
            width: 22px;
            height: 22px;
        }

        .topbar-name {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .topbar-note {
            display: none;
            font-size: 12px;
            color: #8a99aa;
            margin-left: 8px;
            border-left: 1px solid rgba(255, 255, 255, .12);
            padding-left: 12px;
        }

        .menu-toggle {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, .14);
            background: transparent;
            color: #e7ecf3;
            cursor: pointer;
            transition: background .2s, border-color .2s;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, .08);
        }

        .menu-toggle svg {
            width: 22px;
            height: 22px;
        }

        .nav-overlay {
            position: fixed;
            inset: 0;
            z-index: 85;
            display: none;
            background: rgba(7, 11, 16, .62);
            backdrop-filter: blur(2px);
        }

        body.nav-open .nav-overlay {
            display: block;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 90;
            width: 280px;
            background: var(--dark-2);
            display: flex;
            flex-direction: column;
            transform: translateX(-104%);
            transition: transform .26s ease;
        }

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

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 22px 18px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            width: 46px;
            height: 46px;
            border-radius: 14px;
            border: 1px solid rgba(0, 217, 165, .22);
            background: rgba(0, 217, 165, .13);
            color: var(--brand);
        }

        .brand-icon svg {
            width: 24px;
            height: 24px;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.35;
            min-width: 0;
        }

        .brand-main {
            color: #f2f5f9;
            font-size: 16px;
            font-weight: 700;
            white-space: nowrap;
        }

        .brand-sub {
            margin-top: 4px;
            color: #8A99AA;
            font-size: 12.5px;
        }

        .sidebar-scroll {
            flex: 1 1 auto;
            overflow-y: auto;
            padding: 16px 12px 12px;
        }

        .nav-label {
            padding: 4px 12px 10px;
            color: #758494;
            font-size: 12.5px;
            font-weight: 500;
            letter-spacing: .06em;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 11px;
            height: 46px;
            padding: 0 12px;
            border-radius: 12px;
            color: #c5d0dc;
            font-size: 15px;
            font-weight: 500;
            transition: background .2s, color .2s;
            position: relative;
        }

        .nav-item svg {
            width: 20px;
            height: 20px;
            stroke-width: 1.7;
            flex: 0 0 auto;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, .06);
            color: #eef2f7;
        }

        .nav-item.active {
            background: rgba(0, 217, 165, .12);
            color: #ffffff;
            font-weight: 600;
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            bottom: 10px;
            width: 3px;
            border-radius: 0 6px 6px 0;
            background: var(--brand);
        }

        .side-note {
            margin: 16px 14px 20px;
            padding: 14px 16px;
            border-left: 3px solid var(--brand);
            background: rgba(255, 255, 255, .04);
            border-radius: 0 12px 12px 0;
            color: #8A99AA;
            font-size: 13px;
            line-height: 1.7;
        }

        .site-main {
            min-height: 100vh;
            padding-top: 64px;
            background: var(--bg);
        }

        .container-site {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .page-hero {
            position: relative;
            overflow: hidden;
            padding: 84px 0 72px;
            color: #E7ECF3;
            background: var(--dark-2);
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-position: center;
            background-size: cover;
            opacity: .28;
        }

        .page-hero-grid {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .32) 1px, transparent 1px);
            background-size: 26px 26px;
            opacity: .3;
            mask-image: linear-gradient(90deg, transparent, #000 45%);
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 920px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 22px;
            font-size: 13.5px;
            font-weight: 600;
            letter-spacing: .04em;
            color: var(--brand);
        }

        .hero-kicker .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--brand);
            box-shadow: 0 0 0 5px rgba(0, 217, 165, .14);
        }

        .hero-title {
            max-width: 900px;
            margin: 0;
            color: #fff;
            font-size: clamp(2rem, 4vw, 3.2rem);
            line-height: 1.24;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .hero-lead {
            max-width: 760px;
            margin: 22px 0 24px;
            color: #B7C3D0;
            font-size: 17px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .hero-flow {
            display: inline-flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-top: 34px;
            padding: 12px 16px;
            font-size: 13.5px;
            color: #B7C3D0;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 999px;
        }

        .hero-flow strong {
            color: #fff;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 26px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14.5px;
            border: 1px solid transparent;
            transition: transform .2s, box-shadow .2s, background .2s, color .2s;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--action);
            color: #0B1016;
            box-shadow: 0 14px 30px -8px rgba(255, 106, 61, .42);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            background: #ff825f;
            box-shadow: 0 18px 34px -10px rgba(255, 106, 61, .52);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost-light {
            border-color: rgba(255, 255, 255, .28);
            background: transparent;
            color: #eef2f7;
        }

        .btn-ghost-light:hover {
            background: #ffffff;
            color: #0B1016;
            border-color: #fff;
        }

        .btn-ghost-dark {
            border-color: #DDE3EA;
            background: #fff;
            color: #1F2937;
        }

        .btn-ghost-dark:hover {
            border-color: #0B1016;
            color: #0B1016;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            color: var(--brand-active);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .05em;
        }

        .eyebrow::before {
            content: "";
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--brand);
        }

        .eyebrow-light {
            color: var(--brand);
        }

        .section-block {
            padding: 64px 0;
        }

        .section-head {
            max-width: 860px;
            margin-bottom: 28px;
        }

        .section-title {
            margin: 0 0 10px;
            color: var(--title);
            font-size: clamp(1.55rem, 3vw, 2.1rem);
            line-height: 1.3;
            font-weight: 700;
        }

        .section-lead {
            margin: 0;
            color: var(--dim);
            font-size: 16px;
            line-height: 1.9;
        }

        .spotlight-section {
            padding: 10px 0 20px;
        }

        .spotlight-card {
            position: relative;
            overflow: hidden;
            border-radius: 24px;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            padding: 28px;
            color: #E7ECF3;
            background: #131a22;
            box-shadow: var(--shadow-1);
        }

        .spotlight-media {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .38;
        }

        .spotlight-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(8, 12, 18, .92) 0%, rgba(8, 12, 18, .68) 52%, rgba(8, 12, 18, .28) 100%);
        }

        .spotlight-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .spotlight-title {
            margin: 8px 0 14px;
            color: #fff;
            font-size: clamp(1.35rem, 2.6vw, 2.15rem);
            line-height: 1.35;
        }

        .spotlight-text {
            color: #bcc8d4;
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 22px;
            max-width: 720px;
        }

        .resource-wrap {
            background: var(--surface);
            padding: 64px 0;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .resource-grid {
            display: grid;
            gap: 22px;
            margin-top: 30px;
        }

        .collection-card {
            position: relative;
            display: block;
            min-height: 210px;
            overflow: hidden;
            border-radius: 20px;
            background: #1B242E;
            box-shadow: var(--shadow-1);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .collection-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .collection-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 11, 16, .04) 0%, rgba(7, 11, 16, .48) 55%, rgba(7, 11, 16, .94) 100%);
            pointer-events: none;
        }

        .collection-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-2);
        }

        .collection-card:hover img {
            transform: scale(1.06);
        }

        .card-content {
            position: relative;
            z-index: 2;
            height: 100%;
            min-height: inherit;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: flex-end;
            padding: 22px;
            color: #E7ECF3;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }

        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(0, 217, 165, .16);
            color: #00F0BA;
            border: 1px solid rgba(0, 217, 165, .24);
            font-size: 12px;
            font-weight: 600;
        }

        .card-tag.hot {
            background: rgba(255, 216, 77, .16);
            color: #FFE57F;
            border-color: rgba(255, 216, 77, .3);
        }

        .card-tag.light {
            background: rgba(255, 255, 255, .16);
            color: #f2f5f9;
            border-color: rgba(255, 255, 255, .22);
        }

        .card-title {
            margin: 0 0 6px;
            color: #fff;
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
        }

        .cell-a .card-title {
            font-size: 24px;
            max-width: 560px;
        }

        .cell-b .card-title {
            font-size: 21px;
        }

        .card-desc {
            margin: 0;
            color: #CBD5E3;
            font-size: 14.5px;
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            max-width: 620px;
        }

        .cell-c .card-desc,
        .cell-d .card-desc {
            -webkit-line-clamp: 3;
        }

        .card-meta {
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            color: #D7E0EA;
            font-size: 13px;
            font-weight: 500;
        }

        .card-arrow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .14);
            color: #fff;
            font-weight: 700;
            transition: background .2s, transform .2s;
        }

        .collection-card:hover .card-arrow {
            background: var(--brand);
            color: #0B1016;
            transform: translateX(2px);
        }

        .resource-grid .cell-mini-a {
            grid-column: auto;
            grid-row: auto;
        }

        .safe-section {
            padding: 64px 0 70px;
            background: var(--surface);
        }

        .safe-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            align-items: center;
        }

        .safe-media {
            position: relative;
            min-height: 280px;
            border-radius: 22px;
            overflow: hidden;
            background: #18212B;
            box-shadow: var(--shadow-1);
        }

        .safe-media img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .safe-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(200deg, rgba(11, 16, 22, .05), rgba(11, 16, 22, .88));
        }

        .safe-note {
            position: absolute;
            z-index: 2;
            left: 20px;
            right: 20px;
            bottom: 20px;
            padding: 15px 18px;
            color: #fff;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 15px;
            backdrop-filter: blur(6px);
            font-size: 14px;
            line-height: 1.7;
        }

        .safe-note strong {
            display: block;
            color: var(--brand);
            margin-bottom: 4px;
        }

        .check-list {
            margin: 0;
            padding: 0;
            list-style: none;
            counter-reset: checkCounter;
        }

        .check-list li {
            counter-increment: checkCounter;
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--line);
        }

        .check-list li:last-child {
            border-bottom: none;
        }

        .check-count {
            display: flex;
            align-items: flex-start;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: 1px solid rgba(0, 183, 132, .32);
            color: var(--brand-active);
            font-weight: 700;
            font-size: 14px;
            line-height: 30px;
        }

        .check-list h3 {
            margin: 0 0 5px;
            color: var(--title);
            font-size: 16px;
        }

        .check-list p {
            margin: 0;
            color: var(--dim);
            font-size: 14.5px;
            line-height: 1.8;
        }

        .faq-section {
            background: var(--bg);
            padding: 64px 0 70px;
        }

        .faq-wrap {
            max-width: 920px;
            margin-top: 28px;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 4px;
            cursor: pointer;
            list-style: none;
            color: var(--title);
            font-size: 16.5px;
            font-weight: 600;
            transition: color .2s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--brand-active);
        }

        .faq-item .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: #EEF2F5;
            color: #111827;
            font-size: 18px;
            font-weight: 400;
            transition: transform .2s, background .2s, color .2s;
            margin-left: auto;
        }

        .faq-item details[open] .faq-icon {
            transform: rotate(45deg);
            background: var(--brand);
            color: #0B1016;
        }

        .faq-item .answer {
            padding: 0 4px 18px 40px;
            color: var(--dim);
            font-size: 15px;
            line-height: 1.9;
        }

        .final-cta {
            padding: 76px 0 84px;
            background: var(--dark);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            color: #E7ECF3;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .cta-inner .cta-title {
            margin: 0 0 14px;
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.35rem);
            line-height: 1.3;
        }

        .cta-inner .cta-copy {
            max-width: 760px;
            color: #AEBAC7;
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .site-footer {
            background: var(--dark-2);
            color: #E7ECF3;
            padding: 50px 0 26px;
            position: relative;
            z-index: 2;
        }

        .site-footer a {
            font-size: 14.5px;
            color: #AEBAC7;
            transition: color .2s;
        }

        .site-footer a:hover {
            color: var(--brand);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand h3 {
            margin: 0 0 8px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

        .footer-brand p {
            margin: 0;
            color: #7E8B99;
            font-size: 14px;
            max-width: 560px;
            line-height: 1.9;
        }

        .footer-title {
            margin-bottom: 12px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 26px;
            justify-content: space-between;
            padding-top: 22px;
            color: #6D7A89;
            font-size: 13px;
        }

        @media (min-width: 640px) {
            .container-site {
                padding-left: 28px;
                padding-right: 28px;
            }

            .topbar-note {
                display: inline-block;
            }

            .resource-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cell-a {
                grid-column: span 2;
                min-height: 280px;
            }

            .cell-b {
                grid-column: span 1;
            }

            .cell-c {
                grid-column: span 1;
            }

            .cell-d {
                grid-column: span 2;
                min-height: 210px;
            }

            .cell-e {
                grid-column: span 2;
            }

            .safe-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cta-inner {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .topbar {
                display: none;
            }

            .sidebar {
                transform: none;
                width: 264px;
                box-shadow: none;
            }

            .side-note {
                display: block;
            }

            .site-main {
                margin-left: 264px;
                padding-top: 0;
            }

            .nav-overlay {
                display: none !important;
            }

            .page-hero {
                padding: 100px 0 88px;
            }

            .section-block {
                padding: 76px 0;
            }

            .resource-wrap {
                padding: 76px 0;
            }

            .resource-grid {
                grid-template-columns: 1.08fr 1fr .85fr .72fr;
                grid-auto-rows: minmax(186px, auto);
                gap: 24px;
            }

            .cell-a {
                grid-column: 1 / 3;
                grid-row: 1 / 3;
                min-height: 0;
            }

            .cell-b {
                grid-column: 3 / 4;
                grid-row: 1 / 3;
            }

            .cell-c {
                grid-column: 4 / 5;
                grid-row: 1 / 2;
            }

            .cell-d {
                grid-column: 4 / 5;
                grid-row: 2 / 3;
                min-height: 0;
            }

            .cell-e {
                grid-column: 1 / 5;
                grid-row: 3 / 4;
                min-height: 210px;
            }

            .cell-e .card-content {
                flex-direction: row;
                align-items: flex-end;
                justify-content: space-between;
                gap: 24px;
            }

            .cell-e .card-copy {
                max-width: 760px;
            }

            .cell-e .card-desc {
                -webkit-line-clamp: 2;
            }

            .cta-inner {
                grid-template-columns: 1.6fr auto;
                align-items: center;
                gap: 36px;
            }

            .cta-buttons {
                justify-content: flex-end;
            }
        }

        @media (min-width: 1280px) {
            .container-site {
                padding-left: 36px;
                padding-right: 36px;
            }
        }